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 /* add new commands above here */
82 __DEVLINK_CMD_MAX,
83 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
84};
85
86enum 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
93enum 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
111enum 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
118enum devlink_eswitch_mode {
119 DEVLINK_ESWITCH_MODE_LEGACY,
120 DEVLINK_ESWITCH_MODE_SWITCHDEV,
121};
122
123enum 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
130enum devlink_eswitch_encap_mode {
131 DEVLINK_ESWITCH_ENCAP_MODE_NONE,
132 DEVLINK_ESWITCH_ENCAP_MODE_BASIC,
133};
134
135enum 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 */
236enum 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 */
242enum devlink_dpipe_match_type {
243 DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT,
244};
245
246/* Action type - specify the action type */
247enum devlink_dpipe_action_type {
248 DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY,
249};
250
251enum devlink_dpipe_field_ethernet_id {
252 DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
253};
254
255enum devlink_dpipe_field_ipv4_id {
256 DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
257};
258
259enum devlink_dpipe_field_ipv6_id {
260 DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
261};
262
263enum devlink_dpipe_header_id {
264 DEVLINK_DPIPE_HEADER_ETHERNET,
265 DEVLINK_DPIPE_HEADER_IPV4,
266 DEVLINK_DPIPE_HEADER_IPV6,
267};
268
269enum devlink_resource_unit {
270 DEVLINK_RESOURCE_UNIT_ENTRY,
271};
272
273#endif /* _UAPI_LINUX_DEVLINK_H_ */