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ba914908 1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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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
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13#ifndef _LINUX_DEVLINK_H_
14#define _LINUX_DEVLINK_H_
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15
16#define DEVLINK_GENL_NAME "devlink"
17#define DEVLINK_GENL_VERSION 0x1
18#define DEVLINK_GENL_MCGRP_CONFIG_NAME "config"
19
20enum 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
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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
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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
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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,
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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,
a3c4b484 80
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81 DEVLINK_CMD_PARAM_GET, /* can dump */
82 DEVLINK_CMD_PARAM_SET,
83 DEVLINK_CMD_PARAM_NEW,
84 DEVLINK_CMD_PARAM_DEL,
85
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86 DEVLINK_CMD_REGION_GET,
87 DEVLINK_CMD_REGION_SET,
88 DEVLINK_CMD_REGION_NEW,
89 DEVLINK_CMD_REGION_DEL,
90 DEVLINK_CMD_REGION_READ,
91
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92 DEVLINK_CMD_HEALTH_REPORTER_GET,
93 DEVLINK_CMD_HEALTH_REPORTER_SET,
94 DEVLINK_CMD_HEALTH_REPORTER_RECOVER,
95 DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE,
96 DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET,
97 DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR,
98
45f78b4d 99 /* add new commands above here */
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100 __DEVLINK_CMD_MAX,
101 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
102};
103
104enum devlink_port_type {
105 DEVLINK_PORT_TYPE_NOTSET,
106 DEVLINK_PORT_TYPE_AUTO,
107 DEVLINK_PORT_TYPE_ETH,
108 DEVLINK_PORT_TYPE_IB,
109};
110
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111enum devlink_sb_pool_type {
112 DEVLINK_SB_POOL_TYPE_INGRESS,
113 DEVLINK_SB_POOL_TYPE_EGRESS,
114};
115
116/* static threshold - limiting the maximum number of bytes.
117 * dynamic threshold - limiting the maximum number of bytes
118 * based on the currently available free space in the shared buffer pool.
119 * In this mode, the maximum quota is calculated based
120 * on the following formula:
121 * max_quota = alpha / (1 + alpha) * Free_Buffer
122 * While Free_Buffer is the amount of none-occupied buffer associated to
123 * the relevant pool.
124 * The value range which can be passed is 0-20 and serves
125 * for computation of alpha by following formula:
126 * alpha = 2 ^ (passed_value - 10)
127 */
128
129enum devlink_sb_threshold_type {
130 DEVLINK_SB_THRESHOLD_TYPE_STATIC,
131 DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC,
132};
133
134#define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20
135
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136enum devlink_eswitch_mode {
137 DEVLINK_ESWITCH_MODE_LEGACY,
138 DEVLINK_ESWITCH_MODE_SWITCHDEV,
139};
140
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141enum devlink_eswitch_inline_mode {
142 DEVLINK_ESWITCH_INLINE_MODE_NONE,
143 DEVLINK_ESWITCH_INLINE_MODE_LINK,
144 DEVLINK_ESWITCH_INLINE_MODE_NETWORK,
145 DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT,
146};
147
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148enum devlink_eswitch_encap_mode {
149 DEVLINK_ESWITCH_ENCAP_MODE_NONE,
150 DEVLINK_ESWITCH_ENCAP_MODE_BASIC,
151};
152
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153enum devlink_port_flavour {
154 DEVLINK_PORT_FLAVOUR_PHYSICAL, /* Any kind of a port physically
155 * facing the user.
156 */
157 DEVLINK_PORT_FLAVOUR_CPU, /* CPU port */
158 DEVLINK_PORT_FLAVOUR_DSA, /* Distributed switch architecture
159 * interconnect port.
160 */
161};
162
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163enum devlink_param_cmode {
164 DEVLINK_PARAM_CMODE_RUNTIME,
165 DEVLINK_PARAM_CMODE_DRIVERINIT,
166 DEVLINK_PARAM_CMODE_PERMANENT,
167
168 /* Add new configuration modes above */
169 __DEVLINK_PARAM_CMODE_MAX,
170 DEVLINK_PARAM_CMODE_MAX = __DEVLINK_PARAM_CMODE_MAX - 1
171};
172
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173enum devlink_param_fw_load_policy_value {
174 DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
175 DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
176};
177
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178enum devlink_attr {
179 /* don't change the order or add anything between, this is ABI! */
180 DEVLINK_ATTR_UNSPEC,
181
182 /* bus name + dev name together are a handle for devlink entity */
183 DEVLINK_ATTR_BUS_NAME, /* string */
184 DEVLINK_ATTR_DEV_NAME, /* string */
185
186 DEVLINK_ATTR_PORT_INDEX, /* u32 */
187 DEVLINK_ATTR_PORT_TYPE, /* u16 */
188 DEVLINK_ATTR_PORT_DESIRED_TYPE, /* u16 */
189 DEVLINK_ATTR_PORT_NETDEV_IFINDEX, /* u32 */
190 DEVLINK_ATTR_PORT_NETDEV_NAME, /* string */
191 DEVLINK_ATTR_PORT_IBDEV_NAME, /* string */
192 DEVLINK_ATTR_PORT_SPLIT_COUNT, /* u32 */
193 DEVLINK_ATTR_PORT_SPLIT_GROUP, /* u32 */
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194 DEVLINK_ATTR_SB_INDEX, /* u32 */
195 DEVLINK_ATTR_SB_SIZE, /* u32 */
196 DEVLINK_ATTR_SB_INGRESS_POOL_COUNT, /* u16 */
197 DEVLINK_ATTR_SB_EGRESS_POOL_COUNT, /* u16 */
198 DEVLINK_ATTR_SB_INGRESS_TC_COUNT, /* u16 */
199 DEVLINK_ATTR_SB_EGRESS_TC_COUNT, /* u16 */
200 DEVLINK_ATTR_SB_POOL_INDEX, /* u16 */
201 DEVLINK_ATTR_SB_POOL_TYPE, /* u8 */
202 DEVLINK_ATTR_SB_POOL_SIZE, /* u32 */
203 DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, /* u8 */
204 DEVLINK_ATTR_SB_THRESHOLD, /* u32 */
205 DEVLINK_ATTR_SB_TC_INDEX, /* u16 */
206 DEVLINK_ATTR_SB_OCC_CUR, /* u32 */
207 DEVLINK_ATTR_SB_OCC_MAX, /* u32 */
4824bb41 208 DEVLINK_ATTR_ESWITCH_MODE, /* u16 */
3dd0bb51 209 DEVLINK_ATTR_ESWITCH_INLINE_MODE, /* u8 */
a3c4b484 210
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211 DEVLINK_ATTR_DPIPE_TABLES, /* nested */
212 DEVLINK_ATTR_DPIPE_TABLE, /* nested */
213 DEVLINK_ATTR_DPIPE_TABLE_NAME, /* string */
214 DEVLINK_ATTR_DPIPE_TABLE_SIZE, /* u64 */
215 DEVLINK_ATTR_DPIPE_TABLE_MATCHES, /* nested */
216 DEVLINK_ATTR_DPIPE_TABLE_ACTIONS, /* nested */
217 DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, /* u8 */
218
219 DEVLINK_ATTR_DPIPE_ENTRIES, /* nested */
220 DEVLINK_ATTR_DPIPE_ENTRY, /* nested */
221 DEVLINK_ATTR_DPIPE_ENTRY_INDEX, /* u64 */
222 DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES, /* nested */
223 DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES, /* nested */
224 DEVLINK_ATTR_DPIPE_ENTRY_COUNTER, /* u64 */
225
226 DEVLINK_ATTR_DPIPE_MATCH, /* nested */
227 DEVLINK_ATTR_DPIPE_MATCH_VALUE, /* nested */
228 DEVLINK_ATTR_DPIPE_MATCH_TYPE, /* u32 */
229
230 DEVLINK_ATTR_DPIPE_ACTION, /* nested */
231 DEVLINK_ATTR_DPIPE_ACTION_VALUE, /* nested */
232 DEVLINK_ATTR_DPIPE_ACTION_TYPE, /* u32 */
233
234 DEVLINK_ATTR_DPIPE_VALUE,
235 DEVLINK_ATTR_DPIPE_VALUE_MASK,
236 DEVLINK_ATTR_DPIPE_VALUE_MAPPING, /* u32 */
237
238 DEVLINK_ATTR_DPIPE_HEADERS, /* nested */
239 DEVLINK_ATTR_DPIPE_HEADER, /* nested */
240 DEVLINK_ATTR_DPIPE_HEADER_NAME, /* string */
241 DEVLINK_ATTR_DPIPE_HEADER_ID, /* u32 */
242 DEVLINK_ATTR_DPIPE_HEADER_FIELDS, /* nested */
243 DEVLINK_ATTR_DPIPE_HEADER_GLOBAL, /* u8 */
244 DEVLINK_ATTR_DPIPE_HEADER_INDEX, /* u32 */
245
246 DEVLINK_ATTR_DPIPE_FIELD, /* nested */
247 DEVLINK_ATTR_DPIPE_FIELD_NAME, /* string */
248 DEVLINK_ATTR_DPIPE_FIELD_ID, /* u32 */
249 DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH, /* u32 */
250 DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE, /* u32 */
251
252 DEVLINK_ATTR_PAD,
253
7ff1fce5 254 DEVLINK_ATTR_ESWITCH_ENCAP_MODE, /* u8 */
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255 DEVLINK_ATTR_RESOURCE_LIST, /* nested */
256 DEVLINK_ATTR_RESOURCE, /* nested */
257 DEVLINK_ATTR_RESOURCE_NAME, /* string */
258 DEVLINK_ATTR_RESOURCE_ID, /* u64 */
259 DEVLINK_ATTR_RESOURCE_SIZE, /* u64 */
260 DEVLINK_ATTR_RESOURCE_SIZE_NEW, /* u64 */
261 DEVLINK_ATTR_RESOURCE_SIZE_VALID, /* u8 */
262 DEVLINK_ATTR_RESOURCE_SIZE_MIN, /* u64 */
263 DEVLINK_ATTR_RESOURCE_SIZE_MAX, /* u64 */
264 DEVLINK_ATTR_RESOURCE_SIZE_GRAN, /* u64 */
265 DEVLINK_ATTR_RESOURCE_UNIT, /* u8 */
266 DEVLINK_ATTR_RESOURCE_OCC, /* u64 */
267 DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID, /* u64 */
268 DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS,/* u64 */
7ff1fce5 269
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270 DEVLINK_ATTR_PORT_FLAVOUR, /* u16 */
271 DEVLINK_ATTR_PORT_NUMBER, /* u32 */
272 DEVLINK_ATTR_PORT_SPLIT_SUBPORT_NUMBER, /* u32 */
273
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274 DEVLINK_ATTR_PARAM, /* nested */
275 DEVLINK_ATTR_PARAM_NAME, /* string */
276 DEVLINK_ATTR_PARAM_GENERIC, /* flag */
277 DEVLINK_ATTR_PARAM_TYPE, /* u8 */
278 DEVLINK_ATTR_PARAM_VALUES_LIST, /* nested */
279 DEVLINK_ATTR_PARAM_VALUE, /* nested */
280 DEVLINK_ATTR_PARAM_VALUE_DATA, /* dynamic */
281 DEVLINK_ATTR_PARAM_VALUE_CMODE, /* u8 */
282
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283 DEVLINK_ATTR_REGION_NAME, /* string */
284 DEVLINK_ATTR_REGION_SIZE, /* u64 */
285 DEVLINK_ATTR_REGION_SNAPSHOTS, /* nested */
286 DEVLINK_ATTR_REGION_SNAPSHOT, /* nested */
287 DEVLINK_ATTR_REGION_SNAPSHOT_ID, /* u32 */
288
289 DEVLINK_ATTR_REGION_CHUNKS, /* nested */
290 DEVLINK_ATTR_REGION_CHUNK, /* nested */
291 DEVLINK_ATTR_REGION_CHUNK_DATA, /* binary */
292 DEVLINK_ATTR_REGION_CHUNK_ADDR, /* u64 */
293 DEVLINK_ATTR_REGION_CHUNK_LEN, /* u64 */
294
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295 DEVLINK_ATTR_HEALTH_BUFFER_OBJECT, /* nested */
296 DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_PAIR, /* nested */
297 DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_NAME, /* string */
298 DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_VALUE, /* nested */
299 DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_VALUE_ARRAY, /* nested */
300 DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_VALUE_TYPE, /* u8 */
301 DEVLINK_ATTR_HEALTH_BUFFER_OBJECT_VALUE_DATA, /* dynamic */
302
303 DEVLINK_ATTR_HEALTH_REPORTER, /* nested */
304 DEVLINK_ATTR_HEALTH_REPORTER_NAME, /* string */
305 DEVLINK_ATTR_HEALTH_REPORTER_STATE, /* u8 */
306 DEVLINK_ATTR_HEALTH_REPORTER_ERR, /* u64 */
307 DEVLINK_ATTR_HEALTH_REPORTER_RECOVER, /* u64 */
308 DEVLINK_ATTR_HEALTH_REPORTER_DUMP_AVAIL, /* u8 */
309 DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS, /* u64 */
310 DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD, /* u64 */
311 DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER, /* u8 */
312
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313 /* add new attributes above here, update the policy in devlink.c */
314
315 __DEVLINK_ATTR_MAX,
316 DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1
317};
318
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319/* Mapping between internal resource described by the field and system
320 * structure
321 */
322enum devlink_dpipe_field_mapping_type {
323 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE,
324 DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX,
325};
326
327/* Match type - specify the type of the match */
328enum devlink_dpipe_match_type {
329 DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT,
330};
331
332/* Action type - specify the action type */
333enum devlink_dpipe_action_type {
334 DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY,
335};
336
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337enum devlink_dpipe_field_ethernet_id {
338 DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
339};
340
341enum devlink_dpipe_field_ipv4_id {
342 DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
343};
344
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345enum devlink_dpipe_field_ipv6_id {
346 DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
347};
348
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349enum devlink_dpipe_header_id {
350 DEVLINK_DPIPE_HEADER_ETHERNET,
351 DEVLINK_DPIPE_HEADER_IPV4,
4a5b3035 352 DEVLINK_DPIPE_HEADER_IPV6,
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353};
354
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355enum devlink_resource_unit {
356 DEVLINK_RESOURCE_UNIT_ENTRY,
357};
358
8a781d7e 359#endif /* _LINUX_DEVLINK_H_ */