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 <jiri@mellanox.com> 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 _LINUX_DEVLINK_H_ 14 #define _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 74 /* add new commands above here */ 75 __DEVLINK_CMD_MAX, 76 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1 77 }; 78 79 enum devlink_port_type { 80 DEVLINK_PORT_TYPE_NOTSET, 81 DEVLINK_PORT_TYPE_AUTO, 82 DEVLINK_PORT_TYPE_ETH, 83 DEVLINK_PORT_TYPE_IB, 84 }; 85 86 enum devlink_sb_pool_type { 87 DEVLINK_SB_POOL_TYPE_INGRESS, 88 DEVLINK_SB_POOL_TYPE_EGRESS, 89 }; 90 91 /* static threshold - limiting the maximum number of bytes. 92 * dynamic threshold - limiting the maximum number of bytes 93 * based on the currently available free space in the shared buffer pool. 94 * In this mode, the maximum quota is calculated based 95 * on the following formula: 96 * max_quota = alpha / (1 + alpha) * Free_Buffer 97 * While Free_Buffer is the amount of none-occupied buffer associated to 98 * the relevant pool. 99 * The value range which can be passed is 0-20 and serves 100 * for computation of alpha by following formula: 101 * alpha = 2 ^ (passed_value - 10) 102 */ 103 104 enum devlink_sb_threshold_type { 105 DEVLINK_SB_THRESHOLD_TYPE_STATIC, 106 DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC, 107 }; 108 109 #define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20 110 111 enum devlink_eswitch_mode { 112 DEVLINK_ESWITCH_MODE_LEGACY, 113 DEVLINK_ESWITCH_MODE_SWITCHDEV, 114 }; 115 116 enum devlink_eswitch_inline_mode { 117 DEVLINK_ESWITCH_INLINE_MODE_NONE, 118 DEVLINK_ESWITCH_INLINE_MODE_LINK, 119 DEVLINK_ESWITCH_INLINE_MODE_NETWORK, 120 DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT, 121 }; 122 123 enum devlink_eswitch_encap_mode { 124 DEVLINK_ESWITCH_ENCAP_MODE_NONE, 125 DEVLINK_ESWITCH_ENCAP_MODE_BASIC, 126 }; 127 128 enum devlink_attr { 129 /* don't change the order or add anything between, this is ABI! */ 130 DEVLINK_ATTR_UNSPEC, 131 132 /* bus name + dev name together are a handle for devlink entity */ 133 DEVLINK_ATTR_BUS_NAME, /* string */ 134 DEVLINK_ATTR_DEV_NAME, /* string */ 135 136 DEVLINK_ATTR_PORT_INDEX, /* u32 */ 137 DEVLINK_ATTR_PORT_TYPE, /* u16 */ 138 DEVLINK_ATTR_PORT_DESIRED_TYPE, /* u16 */ 139 DEVLINK_ATTR_PORT_NETDEV_IFINDEX, /* u32 */ 140 DEVLINK_ATTR_PORT_NETDEV_NAME, /* string */ 141 DEVLINK_ATTR_PORT_IBDEV_NAME, /* string */ 142 DEVLINK_ATTR_PORT_SPLIT_COUNT, /* u32 */ 143 DEVLINK_ATTR_PORT_SPLIT_GROUP, /* u32 */ 144 DEVLINK_ATTR_SB_INDEX, /* u32 */ 145 DEVLINK_ATTR_SB_SIZE, /* u32 */ 146 DEVLINK_ATTR_SB_INGRESS_POOL_COUNT, /* u16 */ 147 DEVLINK_ATTR_SB_EGRESS_POOL_COUNT, /* u16 */ 148 DEVLINK_ATTR_SB_INGRESS_TC_COUNT, /* u16 */ 149 DEVLINK_ATTR_SB_EGRESS_TC_COUNT, /* u16 */ 150 DEVLINK_ATTR_SB_POOL_INDEX, /* u16 */ 151 DEVLINK_ATTR_SB_POOL_TYPE, /* u8 */ 152 DEVLINK_ATTR_SB_POOL_SIZE, /* u32 */ 153 DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, /* u8 */ 154 DEVLINK_ATTR_SB_THRESHOLD, /* u32 */ 155 DEVLINK_ATTR_SB_TC_INDEX, /* u16 */ 156 DEVLINK_ATTR_SB_OCC_CUR, /* u32 */ 157 DEVLINK_ATTR_SB_OCC_MAX, /* u32 */ 158 DEVLINK_ATTR_ESWITCH_MODE, /* u16 */ 159 DEVLINK_ATTR_ESWITCH_INLINE_MODE, /* u8 */ 160 161 DEVLINK_ATTR_DPIPE_TABLES, /* nested */ 162 DEVLINK_ATTR_DPIPE_TABLE, /* nested */ 163 DEVLINK_ATTR_DPIPE_TABLE_NAME, /* string */ 164 DEVLINK_ATTR_DPIPE_TABLE_SIZE, /* u64 */ 165 DEVLINK_ATTR_DPIPE_TABLE_MATCHES, /* nested */ 166 DEVLINK_ATTR_DPIPE_TABLE_ACTIONS, /* nested */ 167 DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, /* u8 */ 168 169 DEVLINK_ATTR_DPIPE_ENTRIES, /* nested */ 170 DEVLINK_ATTR_DPIPE_ENTRY, /* nested */ 171 DEVLINK_ATTR_DPIPE_ENTRY_INDEX, /* u64 */ 172 DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES, /* nested */ 173 DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES, /* nested */ 174 DEVLINK_ATTR_DPIPE_ENTRY_COUNTER, /* u64 */ 175 176 DEVLINK_ATTR_DPIPE_MATCH, /* nested */ 177 DEVLINK_ATTR_DPIPE_MATCH_VALUE, /* nested */ 178 DEVLINK_ATTR_DPIPE_MATCH_TYPE, /* u32 */ 179 180 DEVLINK_ATTR_DPIPE_ACTION, /* nested */ 181 DEVLINK_ATTR_DPIPE_ACTION_VALUE, /* nested */ 182 DEVLINK_ATTR_DPIPE_ACTION_TYPE, /* u32 */ 183 184 DEVLINK_ATTR_DPIPE_VALUE, 185 DEVLINK_ATTR_DPIPE_VALUE_MASK, 186 DEVLINK_ATTR_DPIPE_VALUE_MAPPING, /* u32 */ 187 188 DEVLINK_ATTR_DPIPE_HEADERS, /* nested */ 189 DEVLINK_ATTR_DPIPE_HEADER, /* nested */ 190 DEVLINK_ATTR_DPIPE_HEADER_NAME, /* string */ 191 DEVLINK_ATTR_DPIPE_HEADER_ID, /* u32 */ 192 DEVLINK_ATTR_DPIPE_HEADER_FIELDS, /* nested */ 193 DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, /* u8 */ 194 DEVLINK_ATTR_DPIPE_HEADER_INDEX, /* u32 */ 195 196 DEVLINK_ATTR_DPIPE_FIELD, /* nested */ 197 DEVLINK_ATTR_DPIPE_FIELD_NAME, /* string */ 198 DEVLINK_ATTR_DPIPE_FIELD_ID, /* u32 */ 199 DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH, /* u32 */ 200 DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE, /* u32 */ 201 202 DEVLINK_ATTR_PAD, 203 204 DEVLINK_ATTR_ESWITCH_ENCAP_MODE, /* u8 */ 205 206 /* add new attributes above here, update the policy in devlink.c */ 207 208 __DEVLINK_ATTR_MAX, 209 DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1 210 }; 211 212 /* Mapping between internal resource described by the field and system 213 * structure 214 */ 215 enum devlink_dpipe_field_mapping_type { 216 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE, 217 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX, 218 }; 219 220 /* Match type - specify the type of the match */ 221 enum devlink_dpipe_match_type { 222 DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT, 223 }; 224 225 /* Action type - specify the action type */ 226 enum devlink_dpipe_action_type { 227 DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY, 228 }; 229 230 enum devlink_dpipe_field_ethernet_id { 231 DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC, 232 }; 233 234 enum devlink_dpipe_field_ipv4_id { 235 DEVLINK_DPIPE_FIELD_IPV4_DST_IP, 236 }; 237 238 enum devlink_dpipe_field_ipv6_id { 239 DEVLINK_DPIPE_FIELD_IPV6_DST_IP, 240 }; 241 242 enum devlink_dpipe_header_id { 243 DEVLINK_DPIPE_HEADER_ETHERNET, 244 DEVLINK_DPIPE_HEADER_IPV4, 245 DEVLINK_DPIPE_HEADER_IPV6, 246 }; 247 248 #endif /* _LINUX_DEVLINK_H_ */ 249