1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2 /* 3 * include/uapi/linux/devlink.h - Network physical device Netlink interface 4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 5 * Copyright (c) 2016 Jiri Pirko <[email protected]> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 */ 12 13 #ifndef _UAPI_LINUX_DEVLINK_H_ 14 #define _UAPI_LINUX_DEVLINK_H_ 15 16 #define DEVLINK_GENL_NAME "devlink" 17 #define DEVLINK_GENL_VERSION 0x1 18 #define DEVLINK_GENL_MCGRP_CONFIG_NAME "config" 19 20 enum devlink_command { 21 /* don't change the order or add anything between, this is ABI! */ 22 DEVLINK_CMD_UNSPEC, 23 24 DEVLINK_CMD_GET, /* can dump */ 25 DEVLINK_CMD_SET, 26 DEVLINK_CMD_NEW, 27 DEVLINK_CMD_DEL, 28 29 DEVLINK_CMD_PORT_GET, /* can dump */ 30 DEVLINK_CMD_PORT_SET, 31 DEVLINK_CMD_PORT_NEW, 32 DEVLINK_CMD_PORT_DEL, 33 34 DEVLINK_CMD_PORT_SPLIT, 35 DEVLINK_CMD_PORT_UNSPLIT, 36 37 DEVLINK_CMD_SB_GET, /* can dump */ 38 DEVLINK_CMD_SB_SET, 39 DEVLINK_CMD_SB_NEW, 40 DEVLINK_CMD_SB_DEL, 41 42 DEVLINK_CMD_SB_POOL_GET, /* can dump */ 43 DEVLINK_CMD_SB_POOL_SET, 44 DEVLINK_CMD_SB_POOL_NEW, 45 DEVLINK_CMD_SB_POOL_DEL, 46 47 DEVLINK_CMD_SB_PORT_POOL_GET, /* can dump */ 48 DEVLINK_CMD_SB_PORT_POOL_SET, 49 DEVLINK_CMD_SB_PORT_POOL_NEW, 50 DEVLINK_CMD_SB_PORT_POOL_DEL, 51 52 DEVLINK_CMD_SB_TC_POOL_BIND_GET, /* can dump */ 53 DEVLINK_CMD_SB_TC_POOL_BIND_SET, 54 DEVLINK_CMD_SB_TC_POOL_BIND_NEW, 55 DEVLINK_CMD_SB_TC_POOL_BIND_DEL, 56 57 /* Shared buffer occupancy monitoring commands */ 58 DEVLINK_CMD_SB_OCC_SNAPSHOT, 59 DEVLINK_CMD_SB_OCC_MAX_CLEAR, 60 61 DEVLINK_CMD_ESWITCH_GET, 62 #define DEVLINK_CMD_ESWITCH_MODE_GET /* obsolete, never use this! */ \ 63 DEVLINK_CMD_ESWITCH_GET 64 65 DEVLINK_CMD_ESWITCH_SET, 66 #define DEVLINK_CMD_ESWITCH_MODE_SET /* obsolete, never use this! */ \ 67 DEVLINK_CMD_ESWITCH_SET 68 69 DEVLINK_CMD_DPIPE_TABLE_GET, 70 DEVLINK_CMD_DPIPE_ENTRIES_GET, 71 DEVLINK_CMD_DPIPE_HEADERS_GET, 72 DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, 73 DEVLINK_CMD_RESOURCE_SET, 74 DEVLINK_CMD_RESOURCE_DUMP, 75 76 /* Hot driver reload, makes configuration changes take place. The 77 * devlink instance is not released during the process. 78 */ 79 DEVLINK_CMD_RELOAD, 80 81 /* add new commands above here */ 82 __DEVLINK_CMD_MAX, 83 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1 84 }; 85 86 enum devlink_port_type { 87 DEVLINK_PORT_TYPE_NOTSET, 88 DEVLINK_PORT_TYPE_AUTO, 89 DEVLINK_PORT_TYPE_ETH, 90 DEVLINK_PORT_TYPE_IB, 91 }; 92 93 enum devlink_sb_pool_type { 94 DEVLINK_SB_POOL_TYPE_INGRESS, 95 DEVLINK_SB_POOL_TYPE_EGRESS, 96 }; 97 98 /* static threshold - limiting the maximum number of bytes. 99 * dynamic threshold - limiting the maximum number of bytes 100 * based on the currently available free space in the shared buffer pool. 101 * In this mode, the maximum quota is calculated based 102 * on the following formula: 103 * max_quota = alpha / (1 + alpha) * Free_Buffer 104 * While Free_Buffer is the amount of none-occupied buffer associated to 105 * the relevant pool. 106 * The value range which can be passed is 0-20 and serves 107 * for computation of alpha by following formula: 108 * alpha = 2 ^ (passed_value - 10) 109 */ 110 111 enum devlink_sb_threshold_type { 112 DEVLINK_SB_THRESHOLD_TYPE_STATIC, 113 DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC, 114 }; 115 116 #define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20 117 118 enum devlink_eswitch_mode { 119 DEVLINK_ESWITCH_MODE_LEGACY, 120 DEVLINK_ESWITCH_MODE_SWITCHDEV, 121 }; 122 123 enum devlink_eswitch_inline_mode { 124 DEVLINK_ESWITCH_INLINE_MODE_NONE, 125 DEVLINK_ESWITCH_INLINE_MODE_LINK, 126 DEVLINK_ESWITCH_INLINE_MODE_NETWORK, 127 DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT, 128 }; 129 130 enum devlink_eswitch_encap_mode { 131 DEVLINK_ESWITCH_ENCAP_MODE_NONE, 132 DEVLINK_ESWITCH_ENCAP_MODE_BASIC, 133 }; 134 135 enum devlink_attr { 136 /* don't change the order or add anything between, this is ABI! */ 137 DEVLINK_ATTR_UNSPEC, 138 139 /* bus name + dev name together are a handle for devlink entity */ 140 DEVLINK_ATTR_BUS_NAME, /* string */ 141 DEVLINK_ATTR_DEV_NAME, /* string */ 142 143 DEVLINK_ATTR_PORT_INDEX, /* u32 */ 144 DEVLINK_ATTR_PORT_TYPE, /* u16 */ 145 DEVLINK_ATTR_PORT_DESIRED_TYPE, /* u16 */ 146 DEVLINK_ATTR_PORT_NETDEV_IFINDEX, /* u32 */ 147 DEVLINK_ATTR_PORT_NETDEV_NAME, /* string */ 148 DEVLINK_ATTR_PORT_IBDEV_NAME, /* string */ 149 DEVLINK_ATTR_PORT_SPLIT_COUNT, /* u32 */ 150 DEVLINK_ATTR_PORT_SPLIT_GROUP, /* u32 */ 151 DEVLINK_ATTR_SB_INDEX, /* u32 */ 152 DEVLINK_ATTR_SB_SIZE, /* u32 */ 153 DEVLINK_ATTR_SB_INGRESS_POOL_COUNT, /* u16 */ 154 DEVLINK_ATTR_SB_EGRESS_POOL_COUNT, /* u16 */ 155 DEVLINK_ATTR_SB_INGRESS_TC_COUNT, /* u16 */ 156 DEVLINK_ATTR_SB_EGRESS_TC_COUNT, /* u16 */ 157 DEVLINK_ATTR_SB_POOL_INDEX, /* u16 */ 158 DEVLINK_ATTR_SB_POOL_TYPE, /* u8 */ 159 DEVLINK_ATTR_SB_POOL_SIZE, /* u32 */ 160 DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, /* u8 */ 161 DEVLINK_ATTR_SB_THRESHOLD, /* u32 */ 162 DEVLINK_ATTR_SB_TC_INDEX, /* u16 */ 163 DEVLINK_ATTR_SB_OCC_CUR, /* u32 */ 164 DEVLINK_ATTR_SB_OCC_MAX, /* u32 */ 165 DEVLINK_ATTR_ESWITCH_MODE, /* u16 */ 166 DEVLINK_ATTR_ESWITCH_INLINE_MODE, /* u8 */ 167 168 DEVLINK_ATTR_DPIPE_TABLES, /* nested */ 169 DEVLINK_ATTR_DPIPE_TABLE, /* nested */ 170 DEVLINK_ATTR_DPIPE_TABLE_NAME, /* string */ 171 DEVLINK_ATTR_DPIPE_TABLE_SIZE, /* u64 */ 172 DEVLINK_ATTR_DPIPE_TABLE_MATCHES, /* nested */ 173 DEVLINK_ATTR_DPIPE_TABLE_ACTIONS, /* nested */ 174 DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, /* u8 */ 175 176 DEVLINK_ATTR_DPIPE_ENTRIES, /* nested */ 177 DEVLINK_ATTR_DPIPE_ENTRY, /* nested */ 178 DEVLINK_ATTR_DPIPE_ENTRY_INDEX, /* u64 */ 179 DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES, /* nested */ 180 DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES, /* nested */ 181 DEVLINK_ATTR_DPIPE_ENTRY_COUNTER, /* u64 */ 182 183 DEVLINK_ATTR_DPIPE_MATCH, /* nested */ 184 DEVLINK_ATTR_DPIPE_MATCH_VALUE, /* nested */ 185 DEVLINK_ATTR_DPIPE_MATCH_TYPE, /* u32 */ 186 187 DEVLINK_ATTR_DPIPE_ACTION, /* nested */ 188 DEVLINK_ATTR_DPIPE_ACTION_VALUE, /* nested */ 189 DEVLINK_ATTR_DPIPE_ACTION_TYPE, /* u32 */ 190 191 DEVLINK_ATTR_DPIPE_VALUE, 192 DEVLINK_ATTR_DPIPE_VALUE_MASK, 193 DEVLINK_ATTR_DPIPE_VALUE_MAPPING, /* u32 */ 194 195 DEVLINK_ATTR_DPIPE_HEADERS, /* nested */ 196 DEVLINK_ATTR_DPIPE_HEADER, /* nested */ 197 DEVLINK_ATTR_DPIPE_HEADER_NAME, /* string */ 198 DEVLINK_ATTR_DPIPE_HEADER_ID, /* u32 */ 199 DEVLINK_ATTR_DPIPE_HEADER_FIELDS, /* nested */ 200 DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, /* u8 */ 201 DEVLINK_ATTR_DPIPE_HEADER_INDEX, /* u32 */ 202 203 DEVLINK_ATTR_DPIPE_FIELD, /* nested */ 204 DEVLINK_ATTR_DPIPE_FIELD_NAME, /* string */ 205 DEVLINK_ATTR_DPIPE_FIELD_ID, /* u32 */ 206 DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH, /* u32 */ 207 DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE, /* u32 */ 208 209 DEVLINK_ATTR_PAD, 210 211 DEVLINK_ATTR_ESWITCH_ENCAP_MODE, /* u8 */ 212 DEVLINK_ATTR_RESOURCE_LIST, /* nested */ 213 DEVLINK_ATTR_RESOURCE, /* nested */ 214 DEVLINK_ATTR_RESOURCE_NAME, /* string */ 215 DEVLINK_ATTR_RESOURCE_ID, /* u64 */ 216 DEVLINK_ATTR_RESOURCE_SIZE, /* u64 */ 217 DEVLINK_ATTR_RESOURCE_SIZE_NEW, /* u64 */ 218 DEVLINK_ATTR_RESOURCE_SIZE_VALID, /* u8 */ 219 DEVLINK_ATTR_RESOURCE_SIZE_MIN, /* u64 */ 220 DEVLINK_ATTR_RESOURCE_SIZE_MAX, /* u64 */ 221 DEVLINK_ATTR_RESOURCE_SIZE_GRAN, /* u64 */ 222 DEVLINK_ATTR_RESOURCE_UNIT, /* u8 */ 223 DEVLINK_ATTR_RESOURCE_OCC, /* u64 */ 224 DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID, /* u64 */ 225 DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS,/* u64 */ 226 227 /* add new attributes above here, update the policy in devlink.c */ 228 229 __DEVLINK_ATTR_MAX, 230 DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1 231 }; 232 233 /* Mapping between internal resource described by the field and system 234 * structure 235 */ 236 enum devlink_dpipe_field_mapping_type { 237 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE, 238 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX, 239 }; 240 241 /* Match type - specify the type of the match */ 242 enum devlink_dpipe_match_type { 243 DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT, 244 }; 245 246 /* Action type - specify the action type */ 247 enum devlink_dpipe_action_type { 248 DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY, 249 }; 250 251 enum devlink_dpipe_field_ethernet_id { 252 DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC, 253 }; 254 255 enum devlink_dpipe_field_ipv4_id { 256 DEVLINK_DPIPE_FIELD_IPV4_DST_IP, 257 }; 258 259 enum devlink_dpipe_field_ipv6_id { 260 DEVLINK_DPIPE_FIELD_IPV6_DST_IP, 261 }; 262 263 enum devlink_dpipe_header_id { 264 DEVLINK_DPIPE_HEADER_ETHERNET, 265 DEVLINK_DPIPE_HEADER_IPV4, 266 DEVLINK_DPIPE_HEADER_IPV6, 267 }; 268 269 enum devlink_resource_unit { 270 DEVLINK_RESOURCE_UNIT_ENTRY, 271 }; 272 273 #endif /* _UAPI_LINUX_DEVLINK_H_ */ 274