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(int port) 44 { 45 if (sparx5_port_is_5g(port)) 46 return TARGET_DEV5G; 47 if (sparx5_port_is_10g(port)) 48 return TARGET_DEV10G; 49 return TARGET_DEV25G; 50 } 51 52 static inline u32 sparx5_to_pcs_dev(int port) 53 { 54 if (sparx5_port_is_5g(port)) 55 return TARGET_PCS5G_BR; 56 if (sparx5_port_is_10g(port)) 57 return TARGET_PCS10G_BR; 58 return TARGET_PCS25G_BR; 59 } 60 61 static inline int sparx5_port_dev_index(int port) 62 { 63 if (sparx5_port_is_2g5(port)) 64 return port; 65 if (sparx5_port_is_5g(port)) 66 return (port <= 11 ? port : 12); 67 if (sparx5_port_is_10g(port)) 68 return (port >= 12 && port <= 15) ? 69 port - 12 : port - 44; 70 return (port - 56); 71 } 72 73 int sparx5_port_init(struct sparx5 *sparx5, 74 struct sparx5_port *spx5_port, 75 struct sparx5_port_config *conf); 76 77 int sparx5_port_config(struct sparx5 *sparx5, 78 struct sparx5_port *spx5_port, 79 struct sparx5_port_config *conf); 80 81 int sparx5_port_pcs_set(struct sparx5 *sparx5, 82 struct sparx5_port *port, 83 struct sparx5_port_config *conf); 84 85 int sparx5_serdes_set(struct sparx5 *sparx5, 86 struct sparx5_port *spx5_port, 87 struct sparx5_port_config *conf); 88 89 struct sparx5_port_status { 90 bool link; 91 bool link_down; 92 int speed; 93 bool an_complete; 94 int duplex; 95 int pause; 96 }; 97 98 int sparx5_get_port_status(struct sparx5 *sparx5, 99 struct sparx5_port *port, 100 struct sparx5_port_status *status); 101 102 void sparx5_port_enable(struct sparx5_port *port, bool enable); 103 int sparx5_port_fwd_urg(struct sparx5 *sparx5, u32 speed); 104 105 #define SPARX5_PORT_QOS_PCP_COUNT 8 106 #define SPARX5_PORT_QOS_DEI_COUNT 8 107 #define SPARX5_PORT_QOS_PCP_DEI_COUNT \ 108 (SPARX5_PORT_QOS_PCP_COUNT + SPARX5_PORT_QOS_DEI_COUNT) 109 struct sparx5_port_qos_pcp_map { 110 u8 map[SPARX5_PORT_QOS_PCP_DEI_COUNT]; 111 }; 112 113 struct sparx5_port_qos_pcp_rewr_map { 114 u16 map[SPX5_PRIOS]; 115 }; 116 117 #define SPARX5_PORT_QOS_DP_NUM 4 118 struct sparx5_port_qos_dscp_rewr_map { 119 u16 map[SPX5_PRIOS * SPARX5_PORT_QOS_DP_NUM]; 120 }; 121 122 #define SPARX5_PORT_QOS_DSCP_COUNT 64 123 struct sparx5_port_qos_dscp_map { 124 u8 map[SPARX5_PORT_QOS_DSCP_COUNT]; 125 }; 126 127 struct sparx5_port_qos_pcp { 128 struct sparx5_port_qos_pcp_map map; 129 bool qos_enable; 130 bool dp_enable; 131 }; 132 133 struct sparx5_port_qos_pcp_rewr { 134 struct sparx5_port_qos_pcp_rewr_map map; 135 bool enable; 136 }; 137 138 struct sparx5_port_qos_dscp { 139 struct sparx5_port_qos_dscp_map map; 140 bool qos_enable; 141 bool dp_enable; 142 }; 143 144 struct sparx5_port_qos_dscp_rewr { 145 struct sparx5_port_qos_dscp_rewr_map map; 146 bool enable; 147 }; 148 149 struct sparx5_port_qos { 150 struct sparx5_port_qos_pcp pcp; 151 struct sparx5_port_qos_pcp_rewr pcp_rewr; 152 struct sparx5_port_qos_dscp dscp; 153 struct sparx5_port_qos_dscp_rewr dscp_rewr; 154 u8 default_prio; 155 }; 156 157 int sparx5_port_qos_set(struct sparx5_port *port, struct sparx5_port_qos *qos); 158 159 int sparx5_port_qos_pcp_set(const struct sparx5_port *port, 160 struct sparx5_port_qos_pcp *qos); 161 162 int sparx5_port_qos_pcp_rewr_set(const struct sparx5_port *port, 163 struct sparx5_port_qos_pcp_rewr *qos); 164 165 int sparx5_port_qos_dscp_set(const struct sparx5_port *port, 166 struct sparx5_port_qos_dscp *qos); 167 168 void sparx5_port_qos_dscp_rewr_mode_set(const struct sparx5_port *port, 169 int mode); 170 171 int sparx5_port_qos_dscp_rewr_set(const struct sparx5_port *port, 172 struct sparx5_port_qos_dscp_rewr *qos); 173 174 int sparx5_port_qos_default_set(const struct sparx5_port *port, 175 const struct sparx5_port_qos *qos); 176 177 #endif /* __SPARX5_PORT_H__ */ 178