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e2be04c7 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
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
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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
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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,
bfcd3a46 73
1555d204 74 /* add new commands above here */
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75 __DEVLINK_CMD_MAX,
76 DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
77};
78
79enum 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
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86enum 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
104enum 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
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111enum devlink_eswitch_mode {
112 DEVLINK_ESWITCH_MODE_LEGACY,
113 DEVLINK_ESWITCH_MODE_SWITCHDEV,
114};
115
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116enum 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
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123enum devlink_eswitch_encap_mode {
124 DEVLINK_ESWITCH_ENCAP_MODE_NONE,
125 DEVLINK_ESWITCH_ENCAP_MODE_BASIC,
126};
127
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128enum 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 */
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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 */
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156 DEVLINK_ATTR_SB_OCC_CUR, /* u32 */
157 DEVLINK_ATTR_SB_OCC_MAX, /* u32 */
08f4b591 158 DEVLINK_ATTR_ESWITCH_MODE, /* u16 */
59bfde01 159 DEVLINK_ATTR_ESWITCH_INLINE_MODE, /* u8 */
bfcd3a46 160
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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
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204 DEVLINK_ATTR_ESWITCH_ENCAP_MODE, /* u8 */
205
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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
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212/* Mapping between internal resource described by the field and system
213 * structure
214 */
215enum 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 */
221enum devlink_dpipe_match_type {
222 DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT,
223};
224
225/* Action type - specify the action type */
226enum devlink_dpipe_action_type {
227 DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY,
228};
229
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230enum devlink_dpipe_field_ethernet_id {
231 DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
232};
233
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234enum devlink_dpipe_field_ipv4_id {
235 DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
236};
237
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238enum devlink_dpipe_field_ipv6_id {
239 DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
240};
241
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242enum devlink_dpipe_header_id {
243 DEVLINK_DPIPE_HEADER_ETHERNET,
3fb886ec 244 DEVLINK_DPIPE_HEADER_IPV4,
1797f5b3 245 DEVLINK_DPIPE_HEADER_IPV6,
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246};
247
bfcd3a46 248#endif /* _UAPI_LINUX_DEVLINK_H_ */