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1 | /* |
2 | * Copyright (c) 2008, Intel Corporation. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
15 | * Place - Suite 330, Boston, MA 02111-1307 USA. | |
16 | * | |
17 | * Author: Lucy Liu <lucy.liu@intel.com> | |
18 | */ | |
19 | ||
20 | #ifndef __LINUX_DCBNL_H__ | |
21 | #define __LINUX_DCBNL_H__ | |
22 | ||
23 | #define DCB_PROTO_VERSION 1 | |
24 | ||
25 | struct dcbmsg { | |
26 | unsigned char dcb_family; | |
27 | __u8 cmd; | |
28 | __u16 dcb_pad; | |
29 | }; | |
30 | ||
31 | /** | |
32 | * enum dcbnl_commands - supported DCB commands | |
33 | * | |
34 | * @DCB_CMD_UNDEFINED: unspecified command to catch errors | |
35 | * @DCB_CMD_GSTATE: request the state of DCB in the device | |
36 | * @DCB_CMD_SSTATE: set the state of DCB in the device | |
37 | * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx | |
38 | * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx | |
39 | * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx | |
40 | * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx | |
41 | * @DCB_CMD_PFC_GCFG: request the priority flow control configuration | |
42 | * @DCB_CMD_PFC_SCFG: set the priority flow control configuration | |
43 | * @DCB_CMD_SET_ALL: apply all changes to the underlying device | |
44 | * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying | |
45 | * device. Only useful when using bonding. | |
46132188 | 46 | * @DCB_CMD_GCAP: request the DCB capabilities of the device |
33dbabc4 AD |
47 | * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported |
48 | * @DCB_CMD_SNUMTCS: set the number of traffic classes | |
2f90b865 AD |
49 | */ |
50 | enum dcbnl_commands { | |
51 | DCB_CMD_UNDEFINED, | |
52 | ||
53 | DCB_CMD_GSTATE, | |
54 | DCB_CMD_SSTATE, | |
55 | ||
56 | DCB_CMD_PGTX_GCFG, | |
57 | DCB_CMD_PGTX_SCFG, | |
58 | DCB_CMD_PGRX_GCFG, | |
59 | DCB_CMD_PGRX_SCFG, | |
60 | ||
61 | DCB_CMD_PFC_GCFG, | |
62 | DCB_CMD_PFC_SCFG, | |
63 | ||
64 | DCB_CMD_SET_ALL, | |
65 | DCB_CMD_GPERM_HWADDR, | |
46132188 | 66 | DCB_CMD_GCAP, |
33dbabc4 AD |
67 | DCB_CMD_GNUMTCS, |
68 | DCB_CMD_SNUMTCS, | |
2f90b865 AD |
69 | |
70 | __DCB_CMD_ENUM_MAX, | |
71 | DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, | |
72 | }; | |
73 | ||
74 | ||
75 | /** | |
76 | * enum dcbnl_attrs - DCB top-level netlink attributes | |
77 | * | |
78 | * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors | |
79 | * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) | |
80 | * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) | |
81 | * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) | |
82 | * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) | |
83 | * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) | |
84 | * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) | |
85 | * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) | |
86 | * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) | |
46132188 | 87 | * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) |
33dbabc4 | 88 | * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) |
2f90b865 AD |
89 | */ |
90 | enum dcbnl_attrs { | |
91 | DCB_ATTR_UNDEFINED, | |
92 | ||
93 | DCB_ATTR_IFNAME, | |
94 | DCB_ATTR_STATE, | |
95 | DCB_ATTR_PFC_STATE, | |
96 | DCB_ATTR_PFC_CFG, | |
97 | DCB_ATTR_NUM_TC, | |
98 | DCB_ATTR_PG_CFG, | |
99 | DCB_ATTR_SET_ALL, | |
100 | DCB_ATTR_PERM_HWADDR, | |
46132188 | 101 | DCB_ATTR_CAP, |
33dbabc4 | 102 | DCB_ATTR_NUMTCS, |
2f90b865 AD |
103 | |
104 | __DCB_ATTR_ENUM_MAX, | |
105 | DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, | |
106 | }; | |
107 | ||
108 | /** | |
109 | * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs | |
110 | * | |
111 | * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors | |
112 | * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) | |
113 | * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) | |
114 | * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) | |
115 | * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) | |
116 | * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) | |
117 | * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) | |
118 | * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) | |
119 | * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) | |
120 | * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined | |
121 | * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) | |
122 | * | |
123 | */ | |
124 | enum dcbnl_pfc_up_attrs { | |
125 | DCB_PFC_UP_ATTR_UNDEFINED, | |
126 | ||
127 | DCB_PFC_UP_ATTR_0, | |
128 | DCB_PFC_UP_ATTR_1, | |
129 | DCB_PFC_UP_ATTR_2, | |
130 | DCB_PFC_UP_ATTR_3, | |
131 | DCB_PFC_UP_ATTR_4, | |
132 | DCB_PFC_UP_ATTR_5, | |
133 | DCB_PFC_UP_ATTR_6, | |
134 | DCB_PFC_UP_ATTR_7, | |
135 | DCB_PFC_UP_ATTR_ALL, | |
136 | ||
137 | __DCB_PFC_UP_ATTR_ENUM_MAX, | |
138 | DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, | |
139 | }; | |
140 | ||
141 | /** | |
142 | * enum dcbnl_pg_attrs - DCB Priority Group attributes | |
143 | * | |
144 | * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors | |
145 | * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) | |
146 | * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) | |
147 | * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) | |
148 | * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) | |
149 | * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) | |
150 | * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) | |
151 | * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) | |
152 | * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) | |
153 | * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined | |
154 | * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) | |
155 | * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) | |
156 | * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) | |
157 | * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) | |
158 | * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) | |
159 | * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) | |
160 | * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) | |
161 | * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) | |
162 | * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) | |
163 | * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined | |
164 | * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) | |
165 | * | |
166 | */ | |
167 | enum dcbnl_pg_attrs { | |
168 | DCB_PG_ATTR_UNDEFINED, | |
169 | ||
170 | DCB_PG_ATTR_TC_0, | |
171 | DCB_PG_ATTR_TC_1, | |
172 | DCB_PG_ATTR_TC_2, | |
173 | DCB_PG_ATTR_TC_3, | |
174 | DCB_PG_ATTR_TC_4, | |
175 | DCB_PG_ATTR_TC_5, | |
176 | DCB_PG_ATTR_TC_6, | |
177 | DCB_PG_ATTR_TC_7, | |
178 | DCB_PG_ATTR_TC_MAX, | |
179 | DCB_PG_ATTR_TC_ALL, | |
180 | ||
181 | DCB_PG_ATTR_BW_ID_0, | |
182 | DCB_PG_ATTR_BW_ID_1, | |
183 | DCB_PG_ATTR_BW_ID_2, | |
184 | DCB_PG_ATTR_BW_ID_3, | |
185 | DCB_PG_ATTR_BW_ID_4, | |
186 | DCB_PG_ATTR_BW_ID_5, | |
187 | DCB_PG_ATTR_BW_ID_6, | |
188 | DCB_PG_ATTR_BW_ID_7, | |
189 | DCB_PG_ATTR_BW_ID_MAX, | |
190 | DCB_PG_ATTR_BW_ID_ALL, | |
191 | ||
192 | __DCB_PG_ATTR_ENUM_MAX, | |
193 | DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, | |
194 | }; | |
195 | ||
196 | /** | |
197 | * enum dcbnl_tc_attrs - DCB Traffic Class attributes | |
198 | * | |
199 | * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors | |
200 | * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to | |
201 | * Valid values are: 0-7 | |
202 | * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map | |
203 | * Some devices may not support changing the | |
204 | * user priority map of a TC. | |
205 | * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting | |
206 | * 0 - none | |
207 | * 1 - group strict | |
208 | * 2 - link strict | |
209 | * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and | |
210 | * not configured to use link strict priority, | |
211 | * this is the percentage of bandwidth of the | |
212 | * priority group this traffic class belongs to | |
213 | * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters | |
214 | * | |
215 | */ | |
216 | enum dcbnl_tc_attrs { | |
217 | DCB_TC_ATTR_PARAM_UNDEFINED, | |
218 | ||
219 | DCB_TC_ATTR_PARAM_PGID, | |
220 | DCB_TC_ATTR_PARAM_UP_MAPPING, | |
221 | DCB_TC_ATTR_PARAM_STRICT_PRIO, | |
222 | DCB_TC_ATTR_PARAM_BW_PCT, | |
223 | DCB_TC_ATTR_PARAM_ALL, | |
224 | ||
225 | __DCB_TC_ATTR_PARAM_ENUM_MAX, | |
226 | DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, | |
227 | }; | |
228 | ||
46132188 AD |
229 | /** |
230 | * enum dcbnl_cap_attrs - DCB Capability attributes | |
231 | * | |
232 | * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors | |
233 | * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters | |
234 | * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups | |
235 | * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control | |
236 | * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to | |
237 | * traffic class mapping | |
238 | * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a | |
239 | * number of traffic classes the device | |
240 | * can be configured to use for Priority Groups | |
241 | * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a | |
242 | * number of traffic classes the device can be | |
243 | * configured to use for Priority Flow Control | |
244 | * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority | |
245 | * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion | |
246 | * Notification | |
247 | */ | |
248 | enum dcbnl_cap_attrs { | |
249 | DCB_CAP_ATTR_UNDEFINED, | |
250 | DCB_CAP_ATTR_ALL, | |
251 | DCB_CAP_ATTR_PG, | |
252 | DCB_CAP_ATTR_PFC, | |
253 | DCB_CAP_ATTR_UP2TC, | |
254 | DCB_CAP_ATTR_PG_TCS, | |
255 | DCB_CAP_ATTR_PFC_TCS, | |
256 | DCB_CAP_ATTR_GSP, | |
257 | DCB_CAP_ATTR_BCN, | |
258 | ||
259 | __DCB_CAP_ATTR_ENUM_MAX, | |
260 | DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, | |
261 | }; | |
33dbabc4 AD |
262 | |
263 | /** | |
264 | * enum dcbnl_numtcs_attrs - number of traffic classes | |
265 | * | |
266 | * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors | |
267 | * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes | |
268 | * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for | |
269 | * priority groups | |
270 | * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can | |
271 | * support priority flow control | |
272 | */ | |
273 | enum dcbnl_numtcs_attrs { | |
274 | DCB_NUMTCS_ATTR_UNDEFINED, | |
275 | DCB_NUMTCS_ATTR_ALL, | |
276 | DCB_NUMTCS_ATTR_PG, | |
277 | DCB_NUMTCS_ATTR_PFC, | |
278 | ||
279 | __DCB_NUMTCS_ATTR_ENUM_MAX, | |
280 | DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, | |
281 | }; | |
282 | ||
2f90b865 AD |
283 | /** |
284 | * enum dcb_general_attr_values - general DCB attribute values | |
285 | * | |
286 | * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported | |
287 | * | |
288 | */ | |
289 | enum dcb_general_attr_values { | |
290 | DCB_ATTR_VALUE_UNDEFINED = 0xff | |
291 | }; | |
292 | ||
293 | ||
294 | #endif /* __LINUX_DCBNL_H__ */ |