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[linux.git] / include / uapi / linux / devlink.h
1 /*
2  * include/uapi/linux/devlink.h - Network physical device Netlink interface
3  * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
4  * Copyright (c) 2016 Jiri Pirko <[email protected]>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11
12 #ifndef _UAPI_LINUX_DEVLINK_H_
13 #define _UAPI_LINUX_DEVLINK_H_
14
15 #define DEVLINK_GENL_NAME "devlink"
16 #define DEVLINK_GENL_VERSION 0x1
17 #define DEVLINK_GENL_MCGRP_CONFIG_NAME "config"
18
19 enum devlink_command {
20         /* don't change the order or add anything between, this is ABI! */
21         DEVLINK_CMD_UNSPEC,
22
23         DEVLINK_CMD_GET,                /* can dump */
24         DEVLINK_CMD_SET,
25         DEVLINK_CMD_NEW,
26         DEVLINK_CMD_DEL,
27
28         DEVLINK_CMD_PORT_GET,           /* can dump */
29         DEVLINK_CMD_PORT_SET,
30         DEVLINK_CMD_PORT_NEW,
31         DEVLINK_CMD_PORT_DEL,
32
33         DEVLINK_CMD_PORT_SPLIT,
34         DEVLINK_CMD_PORT_UNSPLIT,
35
36         DEVLINK_CMD_SB_GET,             /* can dump */
37         DEVLINK_CMD_SB_SET,
38         DEVLINK_CMD_SB_NEW,
39         DEVLINK_CMD_SB_DEL,
40
41         DEVLINK_CMD_SB_POOL_GET,        /* can dump */
42         DEVLINK_CMD_SB_POOL_SET,
43         DEVLINK_CMD_SB_POOL_NEW,
44         DEVLINK_CMD_SB_POOL_DEL,
45
46         DEVLINK_CMD_SB_PORT_POOL_GET,   /* can dump */
47         DEVLINK_CMD_SB_PORT_POOL_SET,
48         DEVLINK_CMD_SB_PORT_POOL_NEW,
49         DEVLINK_CMD_SB_PORT_POOL_DEL,
50
51         DEVLINK_CMD_SB_TC_POOL_BIND_GET,        /* can dump */
52         DEVLINK_CMD_SB_TC_POOL_BIND_SET,
53         DEVLINK_CMD_SB_TC_POOL_BIND_NEW,
54         DEVLINK_CMD_SB_TC_POOL_BIND_DEL,
55
56         /* Shared buffer occupancy monitoring commands */
57         DEVLINK_CMD_SB_OCC_SNAPSHOT,
58         DEVLINK_CMD_SB_OCC_MAX_CLEAR,
59
60         DEVLINK_CMD_ESWITCH_GET,
61 #define DEVLINK_CMD_ESWITCH_MODE_GET /* obsolete, never use this! */ \
62         DEVLINK_CMD_ESWITCH_GET
63
64         DEVLINK_CMD_ESWITCH_SET,
65 #define DEVLINK_CMD_ESWITCH_MODE_SET /* obsolete, never use this! */ \
66         DEVLINK_CMD_ESWITCH_SET
67
68         DEVLINK_CMD_DPIPE_TABLE_GET,
69         DEVLINK_CMD_DPIPE_ENTRIES_GET,
70         DEVLINK_CMD_DPIPE_HEADERS_GET,
71         DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
72
73         /* add new commands above here */
74         __DEVLINK_CMD_MAX,
75         DEVLINK_CMD_MAX = __DEVLINK_CMD_MAX - 1
76 };
77
78 enum devlink_port_type {
79         DEVLINK_PORT_TYPE_NOTSET,
80         DEVLINK_PORT_TYPE_AUTO,
81         DEVLINK_PORT_TYPE_ETH,
82         DEVLINK_PORT_TYPE_IB,
83 };
84
85 enum devlink_sb_pool_type {
86         DEVLINK_SB_POOL_TYPE_INGRESS,
87         DEVLINK_SB_POOL_TYPE_EGRESS,
88 };
89
90 /* static threshold - limiting the maximum number of bytes.
91  * dynamic threshold - limiting the maximum number of bytes
92  *   based on the currently available free space in the shared buffer pool.
93  *   In this mode, the maximum quota is calculated based
94  *   on the following formula:
95  *     max_quota = alpha / (1 + alpha) * Free_Buffer
96  *   While Free_Buffer is the amount of none-occupied buffer associated to
97  *   the relevant pool.
98  *   The value range which can be passed is 0-20 and serves
99  *   for computation of alpha by following formula:
100  *     alpha = 2 ^ (passed_value - 10)
101  */
102
103 enum devlink_sb_threshold_type {
104         DEVLINK_SB_THRESHOLD_TYPE_STATIC,
105         DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC,
106 };
107
108 #define DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX 20
109
110 enum devlink_eswitch_mode {
111         DEVLINK_ESWITCH_MODE_LEGACY,
112         DEVLINK_ESWITCH_MODE_SWITCHDEV,
113 };
114
115 enum devlink_eswitch_inline_mode {
116         DEVLINK_ESWITCH_INLINE_MODE_NONE,
117         DEVLINK_ESWITCH_INLINE_MODE_LINK,
118         DEVLINK_ESWITCH_INLINE_MODE_NETWORK,
119         DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT,
120 };
121
122 enum devlink_eswitch_encap_mode {
123         DEVLINK_ESWITCH_ENCAP_MODE_NONE,
124         DEVLINK_ESWITCH_ENCAP_MODE_BASIC,
125 };
126
127 enum devlink_attr {
128         /* don't change the order or add anything between, this is ABI! */
129         DEVLINK_ATTR_UNSPEC,
130
131         /* bus name + dev name together are a handle for devlink entity */
132         DEVLINK_ATTR_BUS_NAME,                  /* string */
133         DEVLINK_ATTR_DEV_NAME,                  /* string */
134
135         DEVLINK_ATTR_PORT_INDEX,                /* u32 */
136         DEVLINK_ATTR_PORT_TYPE,                 /* u16 */
137         DEVLINK_ATTR_PORT_DESIRED_TYPE,         /* u16 */
138         DEVLINK_ATTR_PORT_NETDEV_IFINDEX,       /* u32 */
139         DEVLINK_ATTR_PORT_NETDEV_NAME,          /* string */
140         DEVLINK_ATTR_PORT_IBDEV_NAME,           /* string */
141         DEVLINK_ATTR_PORT_SPLIT_COUNT,          /* u32 */
142         DEVLINK_ATTR_PORT_SPLIT_GROUP,          /* u32 */
143         DEVLINK_ATTR_SB_INDEX,                  /* u32 */
144         DEVLINK_ATTR_SB_SIZE,                   /* u32 */
145         DEVLINK_ATTR_SB_INGRESS_POOL_COUNT,     /* u16 */
146         DEVLINK_ATTR_SB_EGRESS_POOL_COUNT,      /* u16 */
147         DEVLINK_ATTR_SB_INGRESS_TC_COUNT,       /* u16 */
148         DEVLINK_ATTR_SB_EGRESS_TC_COUNT,        /* u16 */
149         DEVLINK_ATTR_SB_POOL_INDEX,             /* u16 */
150         DEVLINK_ATTR_SB_POOL_TYPE,              /* u8 */
151         DEVLINK_ATTR_SB_POOL_SIZE,              /* u32 */
152         DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE,    /* u8 */
153         DEVLINK_ATTR_SB_THRESHOLD,              /* u32 */
154         DEVLINK_ATTR_SB_TC_INDEX,               /* u16 */
155         DEVLINK_ATTR_SB_OCC_CUR,                /* u32 */
156         DEVLINK_ATTR_SB_OCC_MAX,                /* u32 */
157         DEVLINK_ATTR_ESWITCH_MODE,              /* u16 */
158         DEVLINK_ATTR_ESWITCH_INLINE_MODE,       /* u8 */
159
160         DEVLINK_ATTR_DPIPE_TABLES,              /* nested */
161         DEVLINK_ATTR_DPIPE_TABLE,               /* nested */
162         DEVLINK_ATTR_DPIPE_TABLE_NAME,          /* string */
163         DEVLINK_ATTR_DPIPE_TABLE_SIZE,          /* u64 */
164         DEVLINK_ATTR_DPIPE_TABLE_MATCHES,       /* nested */
165         DEVLINK_ATTR_DPIPE_TABLE_ACTIONS,       /* nested */
166         DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED,      /* u8 */
167
168         DEVLINK_ATTR_DPIPE_ENTRIES,             /* nested */
169         DEVLINK_ATTR_DPIPE_ENTRY,               /* nested */
170         DEVLINK_ATTR_DPIPE_ENTRY_INDEX,         /* u64 */
171         DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES,  /* nested */
172         DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES, /* nested */
173         DEVLINK_ATTR_DPIPE_ENTRY_COUNTER,       /* u64 */
174
175         DEVLINK_ATTR_DPIPE_MATCH,               /* nested */
176         DEVLINK_ATTR_DPIPE_MATCH_VALUE,         /* nested */
177         DEVLINK_ATTR_DPIPE_MATCH_TYPE,          /* u32 */
178
179         DEVLINK_ATTR_DPIPE_ACTION,              /* nested */
180         DEVLINK_ATTR_DPIPE_ACTION_VALUE,        /* nested */
181         DEVLINK_ATTR_DPIPE_ACTION_TYPE,         /* u32 */
182
183         DEVLINK_ATTR_DPIPE_VALUE,
184         DEVLINK_ATTR_DPIPE_VALUE_MASK,
185         DEVLINK_ATTR_DPIPE_VALUE_MAPPING,       /* u32 */
186
187         DEVLINK_ATTR_DPIPE_HEADERS,             /* nested */
188         DEVLINK_ATTR_DPIPE_HEADER,              /* nested */
189         DEVLINK_ATTR_DPIPE_HEADER_NAME,         /* string */
190         DEVLINK_ATTR_DPIPE_HEADER_ID,           /* u32 */
191         DEVLINK_ATTR_DPIPE_HEADER_FIELDS,       /* nested */
192         DEVLINK_ATTR_DPIPE_HEADER_GLOBAL,       /* u8 */
193         DEVLINK_ATTR_DPIPE_HEADER_INDEX,        /* u32 */
194
195         DEVLINK_ATTR_DPIPE_FIELD,               /* nested */
196         DEVLINK_ATTR_DPIPE_FIELD_NAME,          /* string */
197         DEVLINK_ATTR_DPIPE_FIELD_ID,            /* u32 */
198         DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH,      /* u32 */
199         DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE,  /* u32 */
200
201         DEVLINK_ATTR_PAD,
202
203         DEVLINK_ATTR_ESWITCH_ENCAP_MODE,        /* u8 */
204
205         /* add new attributes above here, update the policy in devlink.c */
206
207         __DEVLINK_ATTR_MAX,
208         DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1
209 };
210
211 /* Mapping between internal resource described by the field and system
212  * structure
213  */
214 enum devlink_dpipe_field_mapping_type {
215         DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE,
216         DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX,
217 };
218
219 /* Match type - specify the type of the match */
220 enum devlink_dpipe_match_type {
221         DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT,
222 };
223
224 /* Action type - specify the action type */
225 enum devlink_dpipe_action_type {
226         DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY,
227 };
228
229 enum devlink_dpipe_field_ethernet_id {
230         DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
231 };
232
233 enum devlink_dpipe_field_ipv4_id {
234         DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
235 };
236
237 enum devlink_dpipe_field_ipv6_id {
238         DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
239 };
240
241 enum devlink_dpipe_header_id {
242         DEVLINK_DPIPE_HEADER_ETHERNET,
243         DEVLINK_DPIPE_HEADER_IPV4,
244         DEVLINK_DPIPE_HEADER_IPV6,
245 };
246
247 #endif /* _UAPI_LINUX_DEVLINK_H_ */
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