drivers/net/ethernet/microchip/sparx5/sparx5_port.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /* Microchip Sparx5 Switch driver
   3  *
   4  * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries.
   5  */
   6
   7 #ifndef __SPARX5_PORT_H__
   8 #define __SPARX5_PORT_H__
   9
  10 #include "sparx5_main.h"
  11
  12 /* Port PCP rewrite mode */
  13 #define SPARX5_PORT_REW_TAG_CTRL_CLASSIFIED 0
  14 #define SPARX5_PORT_REW_TAG_CTRL_DEFAULT 1
  15 #define SPARX5_PORT_REW_TAG_CTRL_MAPPED  2
  16
  17 /* Port DSCP rewrite mode */
  18 #define SPARX5_PORT_REW_DSCP_NONE 0
  19 #define SPARX5_PORT_REW_DSCP_IF_ZERO 1
  20 #define SPARX5_PORT_REW_DSCP_SELECTED  2
  21 #define SPARX5_PORT_REW_DSCP_ALL 3
  22
  23 static inline bool sparx5_port_is_2g5(int portno)
  24 {
  25         return portno >= 16 && portno <= 47;
  26 }
  27
  28 static inline bool sparx5_port_is_5g(int portno)
  29 {
  30         return portno <= 11 || portno == 64;
  31 }
  32
  33 static inline bool sparx5_port_is_10g(int portno)
  34 {
  35         return (portno >= 12 && portno <= 15) || (portno >= 48 && portno <= 55);
  36 }
  37
  38 static inline bool sparx5_port_is_25g(int portno)
  39 {
  40         return portno >= 56 && portno <= 63;
  41 }
  42
  43 static inline u32 sparx5_to_high_dev(struct sparx5 *sparx5, int port)
  44 {
  45         const struct sparx5_ops *ops = sparx5->data->ops;
  46
  47         if (ops->is_port_5g(port))
  48                 return TARGET_DEV5G;
  49         if (ops->is_port_10g(port))
  50                 return TARGET_DEV10G;
  51         return TARGET_DEV25G;
  52 }
  53
  54 static inline u32 sparx5_to_pcs_dev(struct sparx5 *sparx5, int port)
  55 {
  56         const struct sparx5_ops *ops = sparx5->data->ops;
  57
  58         if (ops->is_port_5g(port))
  59                 return TARGET_PCS5G_BR;
  60         if (ops->is_port_10g(port))
  61                 return TARGET_PCS10G_BR;
  62         return TARGET_PCS25G_BR;
  63 }
  64
  65 static inline u32 sparx5_port_dev_mapping(struct sparx5 *sparx5, int port)
  66 {
  67         if (sparx5_port_is_2g5(port))
  68                 return port;
  69         if (sparx5_port_is_5g(port))
  70                 return (port <= 11 ? port : 12);
  71         if (sparx5_port_is_10g(port))
  72                 return (port >= 12 && port <= 15) ?
  73                         port - 12 : port - 44;
  74         return (port - 56);
  75 }
  76
  77 static inline u32 sparx5_port_dev_index(struct sparx5 *sparx5, int port)
  78 {
  79         return sparx5->data->ops->get_port_dev_index(sparx5, port);
  80 }
  81
  82 int sparx5_port_init(struct sparx5 *sparx5,
  83                      struct sparx5_port *spx5_port,
  84                      struct sparx5_port_config *conf);
  85
  86 int sparx5_port_config(struct sparx5 *sparx5,
  87                        struct sparx5_port *spx5_port,
  88                        struct sparx5_port_config *conf);
  89
  90 int sparx5_port_pcs_set(struct sparx5 *sparx5,
  91                         struct sparx5_port *port,
  92                         struct sparx5_port_config *conf);
  93
  94 int sparx5_serdes_set(struct sparx5 *sparx5,
  95                       struct sparx5_port *spx5_port,
  96                       struct sparx5_port_config *conf);
  97
  98 struct sparx5_port_status {
  99         bool link;
 100         bool link_down;
 101         int  speed;
 102         bool an_complete;
 103         int  duplex;
 104         int  pause;
 105 };
 106
 107 int sparx5_get_port_status(struct sparx5 *sparx5,
 108                            struct sparx5_port *port,
 109                            struct sparx5_port_status *status);
 110
 111 void sparx5_port_enable(struct sparx5_port *port, bool enable);
 112 int sparx5_port_fwd_urg(struct sparx5 *sparx5, u32 speed);
 113
 114 #define SPARX5_PORT_QOS_PCP_COUNT 8
 115 #define SPARX5_PORT_QOS_DEI_COUNT 8
 116 #define SPARX5_PORT_QOS_PCP_DEI_COUNT \
 117         (SPARX5_PORT_QOS_PCP_COUNT + SPARX5_PORT_QOS_DEI_COUNT)
 118 struct sparx5_port_qos_pcp_map {
 119         u8 map[SPARX5_PORT_QOS_PCP_DEI_COUNT];
 120 };
 121
 122 struct sparx5_port_qos_pcp_rewr_map {
 123         u16 map[SPX5_PRIOS];
 124 };
 125
 126 #define SPARX5_PORT_QOS_DP_NUM 4
 127 struct sparx5_port_qos_dscp_rewr_map {
 128         u16 map[SPX5_PRIOS * SPARX5_PORT_QOS_DP_NUM];
 129 };
 130
 131 #define SPARX5_PORT_QOS_DSCP_COUNT 64
 132 struct sparx5_port_qos_dscp_map {
 133         u8 map[SPARX5_PORT_QOS_DSCP_COUNT];
 134 };
 135
 136 struct sparx5_port_qos_pcp {
 137         struct sparx5_port_qos_pcp_map map;
 138         bool qos_enable;
 139         bool dp_enable;
 140 };
 141
 142 struct sparx5_port_qos_pcp_rewr {
 143         struct sparx5_port_qos_pcp_rewr_map map;
 144         bool enable;
 145 };
 146
 147 struct sparx5_port_qos_dscp {
 148         struct sparx5_port_qos_dscp_map map;
 149         bool qos_enable;
 150         bool dp_enable;
 151 };
 152
 153 struct sparx5_port_qos_dscp_rewr {
 154         struct sparx5_port_qos_dscp_rewr_map map;
 155         bool enable;
 156 };
 157
 158 struct sparx5_port_qos {
 159         struct sparx5_port_qos_pcp pcp;
 160         struct sparx5_port_qos_pcp_rewr pcp_rewr;
 161         struct sparx5_port_qos_dscp dscp;
 162         struct sparx5_port_qos_dscp_rewr dscp_rewr;
 163         u8 default_prio;
 164 };
 165
 166 int sparx5_port_qos_set(struct sparx5_port *port, struct sparx5_port_qos *qos);
 167
 168 int sparx5_port_qos_pcp_set(const struct sparx5_port *port,
 169                             struct sparx5_port_qos_pcp *qos);
 170
 171 int sparx5_port_qos_pcp_rewr_set(const struct sparx5_port *port,
 172                                  struct sparx5_port_qos_pcp_rewr *qos);
 173
 174 int sparx5_port_qos_dscp_set(const struct sparx5_port *port,
 175                              struct sparx5_port_qos_dscp *qos);
 176
 177 void sparx5_port_qos_dscp_rewr_mode_set(const struct sparx5_port *port,
 178                                         int mode);
 179
 180 int sparx5_port_qos_dscp_rewr_set(const struct sparx5_port *port,
 181                                   struct sparx5_port_qos_dscp_rewr *qos);
 182
 183 int sparx5_port_qos_default_set(const struct sparx5_port *port,
 184                                 const struct sparx5_port_qos *qos);
 185
 186 #endif  /* __SPARX5_PORT_H__ */