1 /* 2 * include/uapi/linux/devlink.h - Network physical device Netlink interface 3 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2016 Jiri Pirko <[email protected]> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 12 #ifndef _UAPI_LINUX_DEVLINK_H_ 13 #define _UAPI_LINUX_DEVLINK_H_ 14 15 #define DEVLINK_GENL_NAME "devlink" 16 #define DEVLINK_GENL_VERSION 0x1 17 #define DEVLINK_GENL_MCGRP_CONFIG_NAME "config" 18 19 enum devlink_command { 20 /* don't change the order or add anything between, this is ABI! */ 21 DEVLINK_CMD_UNSPEC, 22 23 DEVLINK_CMD_GET, /* can dump */ 24 DEVLINK_CMD_SET, 25 DEVLINK_CMD_NEW, 26 DEVLINK_CMD_DEL, 27 28 DEVLINK_CMD_PORT_GET, /* can dump */ 29 DEVLINK_CMD_PORT_SET, 30 DEVLINK_CMD_PORT_NEW, 31 DEVLINK_CMD_PORT_DEL, 32 33 DEVLINK_CMD_PORT_SPLIT, 34 DEVLINK_CMD_PORT_UNSPLIT, 35 36 DEVLINK_CMD_SB_GET, /* can dump */ 37 DEVLINK_CMD_SB_SET, 38 DEVLINK_CMD_SB_NEW, 39 DEVLINK_CMD_SB_DEL, 40 41 DEVLINK_CMD_SB_POOL_GET, /* can dump */ 42 DEVLINK_CMD_SB_POOL_SET, 43 DEVLINK_CMD_SB_POOL_NEW, 44 DEVLINK_CMD_SB_POOL_DEL, 45 46 DEVLINK_CMD_SB_PORT_POOL_GET, /* can dump */ 47 DEVLINK_CMD_SB_PORT_POOL_SET, 48 DEVLINK_CMD_SB_PORT_POOL_NEW, 49 DEVLINK_CMD_SB_PORT_POOL_DEL, 50 51 DEVLINK_CMD_SB_TC_POOL_BIND_GET, /* can dump */ 52 DEVLINK_CMD_SB_TC_POOL_BIND_SET, 53 DEVLINK_CMD_SB_TC_POOL_BIND_NEW, 54 DEVLINK_CMD_SB_TC_POOL_BIND_DEL, 55 56 /* Shared buffer occupancy monitoring commands */ 57 DEVLINK_CMD_SB_OCC_SNAPSHOT, 58 DEVLINK_CMD_SB_OCC_MAX_CLEAR, 59 60 DEVLINK_CMD_ESWITCH_GET, 61 #define DEVLINK_CMD_ESWITCH_MODE_GET /* obsolete, never use this! */ \ 62 DEVLINK_CMD_ESWITCH_GET 63 64 DEVLINK_CMD_ESWITCH_SET, 65 #define DEVLINK_CMD_ESWITCH_MODE_SET /* obsolete, never use this! */ \ 66 DEVLINK_CMD_ESWITCH_SET 67 68 DEVLINK_CMD_DPIPE_TABLE_GET, 69 DEVLINK_CMD_DPIPE_ENTRIES_GET, 70 DEVLINK_CMD_DPIPE_HEADERS_GET, 71 DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, 72 73 /* add new commands above here */ 74 __DEVLINK_CMD_MAX, 75 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1 76 }; 77 78 enum devlink_port_type { 79 DEVLINK_PORT_TYPE_NOTSET, 80 DEVLINK_PORT_TYPE_AUTO, 81 DEVLINK_PORT_TYPE_ETH, 82 DEVLINK_PORT_TYPE_IB, 83 }; 84 85 enum devlink_sb_pool_type { 86 DEVLINK_SB_POOL_TYPE_INGRESS, 87 DEVLINK_SB_POOL_TYPE_EGRESS, 88 }; 89 90 /* static threshold - limiting the maximum number of bytes. 91 * dynamic threshold - limiting the maximum number of bytes 92 * based on the currently available free space in the shared buffer pool. 93 * In this mode, the maximum quota is calculated based 94 * on the following formula: 95 * max_quota = alpha / (1 + alpha) * Free_Buffer 96 * While Free_Buffer is the amount of none-occupied buffer associated to 97 * the relevant pool. 98 * The value range which can be passed is 0-20 and serves 99 * for computation of alpha by following formula: 100 * alpha = 2 ^ (passed_value - 10) 101 */ 102 103 enum devlink_sb_threshold_type { 104 DEVLINK_SB_THRESHOLD_TYPE_STATIC, 105 DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC, 106 }; 107 108 #define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20 109 110 enum devlink_eswitch_mode { 111 DEVLINK_ESWITCH_MODE_LEGACY, 112 DEVLINK_ESWITCH_MODE_SWITCHDEV, 113 }; 114 115 enum devlink_eswitch_inline_mode { 116 DEVLINK_ESWITCH_INLINE_MODE_NONE, 117 DEVLINK_ESWITCH_INLINE_MODE_LINK, 118 DEVLINK_ESWITCH_INLINE_MODE_NETWORK, 119 DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT, 120 }; 121 122 enum devlink_eswitch_encap_mode { 123 DEVLINK_ESWITCH_ENCAP_MODE_NONE, 124 DEVLINK_ESWITCH_ENCAP_MODE_BASIC, 125 }; 126 127 enum devlink_attr { 128 /* don't change the order or add anything between, this is ABI! */ 129 DEVLINK_ATTR_UNSPEC, 130 131 /* bus name + dev name together are a handle for devlink entity */ 132 DEVLINK_ATTR_BUS_NAME, /* string */ 133 DEVLINK_ATTR_DEV_NAME, /* string */ 134 135 DEVLINK_ATTR_PORT_INDEX, /* u32 */ 136 DEVLINK_ATTR_PORT_TYPE, /* u16 */ 137 DEVLINK_ATTR_PORT_DESIRED_TYPE, /* u16 */ 138 DEVLINK_ATTR_PORT_NETDEV_IFINDEX, /* u32 */ 139 DEVLINK_ATTR_PORT_NETDEV_NAME, /* string */ 140 DEVLINK_ATTR_PORT_IBDEV_NAME, /* string */ 141 DEVLINK_ATTR_PORT_SPLIT_COUNT, /* u32 */ 142 DEVLINK_ATTR_PORT_SPLIT_GROUP, /* u32 */ 143 DEVLINK_ATTR_SB_INDEX, /* u32 */ 144 DEVLINK_ATTR_SB_SIZE, /* u32 */ 145 DEVLINK_ATTR_SB_INGRESS_POOL_COUNT, /* u16 */ 146 DEVLINK_ATTR_SB_EGRESS_POOL_COUNT, /* u16 */ 147 DEVLINK_ATTR_SB_INGRESS_TC_COUNT, /* u16 */ 148 DEVLINK_ATTR_SB_EGRESS_TC_COUNT, /* u16 */ 149 DEVLINK_ATTR_SB_POOL_INDEX, /* u16 */ 150 DEVLINK_ATTR_SB_POOL_TYPE, /* u8 */ 151 DEVLINK_ATTR_SB_POOL_SIZE, /* u32 */ 152 DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, /* u8 */ 153 DEVLINK_ATTR_SB_THRESHOLD, /* u32 */ 154 DEVLINK_ATTR_SB_TC_INDEX, /* u16 */ 155 DEVLINK_ATTR_SB_OCC_CUR, /* u32 */ 156 DEVLINK_ATTR_SB_OCC_MAX, /* u32 */ 157 DEVLINK_ATTR_ESWITCH_MODE, /* u16 */ 158 DEVLINK_ATTR_ESWITCH_INLINE_MODE, /* u8 */ 159 160 DEVLINK_ATTR_DPIPE_TABLES, /* nested */ 161 DEVLINK_ATTR_DPIPE_TABLE, /* nested */ 162 DEVLINK_ATTR_DPIPE_TABLE_NAME, /* string */ 163 DEVLINK_ATTR_DPIPE_TABLE_SIZE, /* u64 */ 164 DEVLINK_ATTR_DPIPE_TABLE_MATCHES, /* nested */ 165 DEVLINK_ATTR_DPIPE_TABLE_ACTIONS, /* nested */ 166 DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, /* u8 */ 167 168 DEVLINK_ATTR_DPIPE_ENTRIES, /* nested */ 169 DEVLINK_ATTR_DPIPE_ENTRY, /* nested */ 170 DEVLINK_ATTR_DPIPE_ENTRY_INDEX, /* u64 */ 171 DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES, /* nested */ 172 DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES, /* nested */ 173 DEVLINK_ATTR_DPIPE_ENTRY_COUNTER, /* u64 */ 174 175 DEVLINK_ATTR_DPIPE_MATCH, /* nested */ 176 DEVLINK_ATTR_DPIPE_MATCH_VALUE, /* nested */ 177 DEVLINK_ATTR_DPIPE_MATCH_TYPE, /* u32 */ 178 179 DEVLINK_ATTR_DPIPE_ACTION, /* nested */ 180 DEVLINK_ATTR_DPIPE_ACTION_VALUE, /* nested */ 181 DEVLINK_ATTR_DPIPE_ACTION_TYPE, /* u32 */ 182 183 DEVLINK_ATTR_DPIPE_VALUE, 184 DEVLINK_ATTR_DPIPE_VALUE_MASK, 185 DEVLINK_ATTR_DPIPE_VALUE_MAPPING, /* u32 */ 186 187 DEVLINK_ATTR_DPIPE_HEADERS, /* nested */ 188 DEVLINK_ATTR_DPIPE_HEADER, /* nested */ 189 DEVLINK_ATTR_DPIPE_HEADER_NAME, /* string */ 190 DEVLINK_ATTR_DPIPE_HEADER_ID, /* u32 */ 191 DEVLINK_ATTR_DPIPE_HEADER_FIELDS, /* nested */ 192 DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, /* u8 */ 193 DEVLINK_ATTR_DPIPE_HEADER_INDEX, /* u32 */ 194 195 DEVLINK_ATTR_DPIPE_FIELD, /* nested */ 196 DEVLINK_ATTR_DPIPE_FIELD_NAME, /* string */ 197 DEVLINK_ATTR_DPIPE_FIELD_ID, /* u32 */ 198 DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH, /* u32 */ 199 DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE, /* u32 */ 200 201 DEVLINK_ATTR_PAD, 202 203 DEVLINK_ATTR_ESWITCH_ENCAP_MODE, /* u8 */ 204 205 /* add new attributes above here, update the policy in devlink.c */ 206 207 __DEVLINK_ATTR_MAX, 208 DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1 209 }; 210 211 /* Mapping between internal resource described by the field and system 212 * structure 213 */ 214 enum devlink_dpipe_field_mapping_type { 215 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE, 216 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX, 217 }; 218 219 /* Match type - specify the type of the match */ 220 enum devlink_dpipe_match_type { 221 DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT, 222 }; 223 224 /* Action type - specify the action type */ 225 enum devlink_dpipe_action_type { 226 DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY, 227 }; 228 229 enum devlink_dpipe_field_ethernet_id { 230 DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC, 231 }; 232 233 enum devlink_dpipe_field_ipv4_id { 234 DEVLINK_DPIPE_FIELD_IPV4_DST_IP, 235 }; 236 237 enum devlink_dpipe_field_ipv6_id { 238 DEVLINK_DPIPE_FIELD_IPV6_DST_IP, 239 }; 240 241 enum devlink_dpipe_header_id { 242 DEVLINK_DPIPE_HEADER_ETHERNET, 243 DEVLINK_DPIPE_HEADER_IPV4, 244 DEVLINK_DPIPE_HEADER_IPV6, 245 }; 246 247 #endif /* _UAPI_LINUX_DEVLINK_H_ */ 248