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