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2f90b865 AD |
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 | ||
5c252221 CL |
23 | #include <linux/types.h> |
24 | ||
2f90b865 AD |
25 | #define DCB_PROTO_VERSION 1 |
26 | ||
27 | struct dcbmsg { | |
5c252221 | 28 | __u8 dcb_family; |
2f90b865 AD |
29 | __u8 cmd; |
30 | __u16 dcb_pad; | |
31 | }; | |
32 | ||
33 | /** | |
34 | * enum dcbnl_commands - supported DCB commands | |
35 | * | |
36 | * @DCB_CMD_UNDEFINED: unspecified command to catch errors | |
37 | * @DCB_CMD_GSTATE: request the state of DCB in the device | |
38 | * @DCB_CMD_SSTATE: set the state of DCB in the device | |
39 | * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx | |
40 | * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx | |
41 | * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx | |
42 | * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx | |
43 | * @DCB_CMD_PFC_GCFG: request the priority flow control configuration | |
44 | * @DCB_CMD_PFC_SCFG: set the priority flow control configuration | |
45 | * @DCB_CMD_SET_ALL: apply all changes to the underlying device | |
46 | * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying | |
47 | * device. Only useful when using bonding. | |
46132188 | 48 | * @DCB_CMD_GCAP: request the DCB capabilities of the device |
33dbabc4 AD |
49 | * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported |
50 | * @DCB_CMD_SNUMTCS: set the number of traffic classes | |
859ee3c4 AD |
51 | * @DCB_CMD_GBCN: set backward congestion notification configuration |
52 | * @DCB_CMD_SBCN: get backward congestion notification configration. | |
0f6f2902 YZ |
53 | * @DCB_CMD_GAPP: get application protocol configuration |
54 | * @DCB_CMD_SAPP: set application protocol configuration | |
2f90b865 AD |
55 | */ |
56 | enum dcbnl_commands { | |
57 | DCB_CMD_UNDEFINED, | |
58 | ||
59 | DCB_CMD_GSTATE, | |
60 | DCB_CMD_SSTATE, | |
61 | ||
62 | DCB_CMD_PGTX_GCFG, | |
63 | DCB_CMD_PGTX_SCFG, | |
64 | DCB_CMD_PGRX_GCFG, | |
65 | DCB_CMD_PGRX_SCFG, | |
66 | ||
67 | DCB_CMD_PFC_GCFG, | |
68 | DCB_CMD_PFC_SCFG, | |
69 | ||
70 | DCB_CMD_SET_ALL, | |
859ee3c4 | 71 | |
2f90b865 | 72 | DCB_CMD_GPERM_HWADDR, |
859ee3c4 | 73 | |
46132188 | 74 | DCB_CMD_GCAP, |
859ee3c4 | 75 | |
33dbabc4 AD |
76 | DCB_CMD_GNUMTCS, |
77 | DCB_CMD_SNUMTCS, | |
859ee3c4 | 78 | |
0eb3aa9b AD |
79 | DCB_CMD_PFC_GSTATE, |
80 | DCB_CMD_PFC_SSTATE, | |
2f90b865 | 81 | |
859ee3c4 AD |
82 | DCB_CMD_BCN_GCFG, |
83 | DCB_CMD_BCN_SCFG, | |
84 | ||
0f6f2902 YZ |
85 | DCB_CMD_GAPP, |
86 | DCB_CMD_SAPP, | |
87 | ||
2f90b865 AD |
88 | __DCB_CMD_ENUM_MAX, |
89 | DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, | |
90 | }; | |
91 | ||
2f90b865 AD |
92 | /** |
93 | * enum dcbnl_attrs - DCB top-level netlink attributes | |
94 | * | |
95 | * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors | |
96 | * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) | |
97 | * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) | |
98 | * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) | |
99 | * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) | |
100 | * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) | |
101 | * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) | |
102 | * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) | |
103 | * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) | |
46132188 | 104 | * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) |
33dbabc4 | 105 | * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) |
859ee3c4 | 106 | * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) |
2f90b865 AD |
107 | */ |
108 | enum dcbnl_attrs { | |
109 | DCB_ATTR_UNDEFINED, | |
110 | ||
111 | DCB_ATTR_IFNAME, | |
112 | DCB_ATTR_STATE, | |
113 | DCB_ATTR_PFC_STATE, | |
114 | DCB_ATTR_PFC_CFG, | |
115 | DCB_ATTR_NUM_TC, | |
116 | DCB_ATTR_PG_CFG, | |
117 | DCB_ATTR_SET_ALL, | |
118 | DCB_ATTR_PERM_HWADDR, | |
46132188 | 119 | DCB_ATTR_CAP, |
33dbabc4 | 120 | DCB_ATTR_NUMTCS, |
859ee3c4 | 121 | DCB_ATTR_BCN, |
0f6f2902 | 122 | DCB_ATTR_APP, |
2f90b865 AD |
123 | |
124 | __DCB_ATTR_ENUM_MAX, | |
125 | DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, | |
126 | }; | |
127 | ||
128 | /** | |
129 | * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs | |
130 | * | |
131 | * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors | |
132 | * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) | |
133 | * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) | |
134 | * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) | |
135 | * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) | |
136 | * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) | |
137 | * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) | |
138 | * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) | |
139 | * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) | |
140 | * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined | |
141 | * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) | |
142 | * | |
143 | */ | |
144 | enum dcbnl_pfc_up_attrs { | |
145 | DCB_PFC_UP_ATTR_UNDEFINED, | |
146 | ||
147 | DCB_PFC_UP_ATTR_0, | |
148 | DCB_PFC_UP_ATTR_1, | |
149 | DCB_PFC_UP_ATTR_2, | |
150 | DCB_PFC_UP_ATTR_3, | |
151 | DCB_PFC_UP_ATTR_4, | |
152 | DCB_PFC_UP_ATTR_5, | |
153 | DCB_PFC_UP_ATTR_6, | |
154 | DCB_PFC_UP_ATTR_7, | |
155 | DCB_PFC_UP_ATTR_ALL, | |
156 | ||
157 | __DCB_PFC_UP_ATTR_ENUM_MAX, | |
158 | DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, | |
159 | }; | |
160 | ||
161 | /** | |
162 | * enum dcbnl_pg_attrs - DCB Priority Group attributes | |
163 | * | |
164 | * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors | |
165 | * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) | |
166 | * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) | |
167 | * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) | |
168 | * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) | |
169 | * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) | |
170 | * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) | |
171 | * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) | |
172 | * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) | |
173 | * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined | |
174 | * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) | |
175 | * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) | |
176 | * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) | |
177 | * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) | |
178 | * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) | |
179 | * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) | |
180 | * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) | |
181 | * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) | |
182 | * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) | |
183 | * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined | |
184 | * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) | |
185 | * | |
186 | */ | |
187 | enum dcbnl_pg_attrs { | |
188 | DCB_PG_ATTR_UNDEFINED, | |
189 | ||
190 | DCB_PG_ATTR_TC_0, | |
191 | DCB_PG_ATTR_TC_1, | |
192 | DCB_PG_ATTR_TC_2, | |
193 | DCB_PG_ATTR_TC_3, | |
194 | DCB_PG_ATTR_TC_4, | |
195 | DCB_PG_ATTR_TC_5, | |
196 | DCB_PG_ATTR_TC_6, | |
197 | DCB_PG_ATTR_TC_7, | |
198 | DCB_PG_ATTR_TC_MAX, | |
199 | DCB_PG_ATTR_TC_ALL, | |
200 | ||
201 | DCB_PG_ATTR_BW_ID_0, | |
202 | DCB_PG_ATTR_BW_ID_1, | |
203 | DCB_PG_ATTR_BW_ID_2, | |
204 | DCB_PG_ATTR_BW_ID_3, | |
205 | DCB_PG_ATTR_BW_ID_4, | |
206 | DCB_PG_ATTR_BW_ID_5, | |
207 | DCB_PG_ATTR_BW_ID_6, | |
208 | DCB_PG_ATTR_BW_ID_7, | |
209 | DCB_PG_ATTR_BW_ID_MAX, | |
210 | DCB_PG_ATTR_BW_ID_ALL, | |
211 | ||
212 | __DCB_PG_ATTR_ENUM_MAX, | |
213 | DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, | |
214 | }; | |
215 | ||
216 | /** | |
217 | * enum dcbnl_tc_attrs - DCB Traffic Class attributes | |
218 | * | |
219 | * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors | |
220 | * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to | |
221 | * Valid values are: 0-7 | |
222 | * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map | |
223 | * Some devices may not support changing the | |
224 | * user priority map of a TC. | |
225 | * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting | |
226 | * 0 - none | |
227 | * 1 - group strict | |
228 | * 2 - link strict | |
229 | * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and | |
230 | * not configured to use link strict priority, | |
231 | * this is the percentage of bandwidth of the | |
232 | * priority group this traffic class belongs to | |
233 | * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters | |
234 | * | |
235 | */ | |
236 | enum dcbnl_tc_attrs { | |
237 | DCB_TC_ATTR_PARAM_UNDEFINED, | |
238 | ||
239 | DCB_TC_ATTR_PARAM_PGID, | |
240 | DCB_TC_ATTR_PARAM_UP_MAPPING, | |
241 | DCB_TC_ATTR_PARAM_STRICT_PRIO, | |
242 | DCB_TC_ATTR_PARAM_BW_PCT, | |
243 | DCB_TC_ATTR_PARAM_ALL, | |
244 | ||
245 | __DCB_TC_ATTR_PARAM_ENUM_MAX, | |
246 | DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, | |
247 | }; | |
248 | ||
46132188 AD |
249 | /** |
250 | * enum dcbnl_cap_attrs - DCB Capability attributes | |
251 | * | |
252 | * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors | |
253 | * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters | |
254 | * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups | |
255 | * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control | |
256 | * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to | |
257 | * traffic class mapping | |
258 | * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a | |
259 | * number of traffic classes the device | |
260 | * can be configured to use for Priority Groups | |
261 | * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a | |
262 | * number of traffic classes the device can be | |
263 | * configured to use for Priority Flow Control | |
264 | * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority | |
265 | * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion | |
266 | * Notification | |
267 | */ | |
268 | enum dcbnl_cap_attrs { | |
269 | DCB_CAP_ATTR_UNDEFINED, | |
270 | DCB_CAP_ATTR_ALL, | |
271 | DCB_CAP_ATTR_PG, | |
272 | DCB_CAP_ATTR_PFC, | |
273 | DCB_CAP_ATTR_UP2TC, | |
274 | DCB_CAP_ATTR_PG_TCS, | |
275 | DCB_CAP_ATTR_PFC_TCS, | |
276 | DCB_CAP_ATTR_GSP, | |
277 | DCB_CAP_ATTR_BCN, | |
278 | ||
279 | __DCB_CAP_ATTR_ENUM_MAX, | |
280 | DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, | |
281 | }; | |
33dbabc4 AD |
282 | |
283 | /** | |
284 | * enum dcbnl_numtcs_attrs - number of traffic classes | |
285 | * | |
286 | * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors | |
287 | * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes | |
288 | * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for | |
289 | * priority groups | |
290 | * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can | |
291 | * support priority flow control | |
292 | */ | |
293 | enum dcbnl_numtcs_attrs { | |
294 | DCB_NUMTCS_ATTR_UNDEFINED, | |
295 | DCB_NUMTCS_ATTR_ALL, | |
296 | DCB_NUMTCS_ATTR_PG, | |
297 | DCB_NUMTCS_ATTR_PFC, | |
298 | ||
299 | __DCB_NUMTCS_ATTR_ENUM_MAX, | |
300 | DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, | |
301 | }; | |
302 | ||
859ee3c4 AD |
303 | enum dcbnl_bcn_attrs{ |
304 | DCB_BCN_ATTR_UNDEFINED = 0, | |
305 | ||
306 | DCB_BCN_ATTR_RP_0, | |
307 | DCB_BCN_ATTR_RP_1, | |
308 | DCB_BCN_ATTR_RP_2, | |
309 | DCB_BCN_ATTR_RP_3, | |
310 | DCB_BCN_ATTR_RP_4, | |
311 | DCB_BCN_ATTR_RP_5, | |
312 | DCB_BCN_ATTR_RP_6, | |
313 | DCB_BCN_ATTR_RP_7, | |
314 | DCB_BCN_ATTR_RP_ALL, | |
315 | ||
f4314e81 DS |
316 | DCB_BCN_ATTR_BCNA_0, |
317 | DCB_BCN_ATTR_BCNA_1, | |
859ee3c4 AD |
318 | DCB_BCN_ATTR_ALPHA, |
319 | DCB_BCN_ATTR_BETA, | |
320 | DCB_BCN_ATTR_GD, | |
321 | DCB_BCN_ATTR_GI, | |
322 | DCB_BCN_ATTR_TMAX, | |
323 | DCB_BCN_ATTR_TD, | |
324 | DCB_BCN_ATTR_RMIN, | |
325 | DCB_BCN_ATTR_W, | |
326 | DCB_BCN_ATTR_RD, | |
327 | DCB_BCN_ATTR_RU, | |
328 | DCB_BCN_ATTR_WRTT, | |
329 | DCB_BCN_ATTR_RI, | |
330 | DCB_BCN_ATTR_C, | |
331 | DCB_BCN_ATTR_ALL, | |
332 | ||
333 | __DCB_BCN_ATTR_ENUM_MAX, | |
334 | DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, | |
335 | }; | |
336 | ||
2f90b865 AD |
337 | /** |
338 | * enum dcb_general_attr_values - general DCB attribute values | |
339 | * | |
340 | * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported | |
341 | * | |
342 | */ | |
343 | enum dcb_general_attr_values { | |
344 | DCB_ATTR_VALUE_UNDEFINED = 0xff | |
345 | }; | |
346 | ||
0f6f2902 YZ |
347 | #define DCB_APP_IDTYPE_ETHTYPE 0x00 |
348 | #define DCB_APP_IDTYPE_PORTNUM 0x01 | |
349 | enum dcbnl_app_attrs { | |
350 | DCB_APP_ATTR_UNDEFINED, | |
351 | ||
352 | DCB_APP_ATTR_IDTYPE, | |
353 | DCB_APP_ATTR_ID, | |
354 | DCB_APP_ATTR_PRIORITY, | |
355 | ||
356 | __DCB_APP_ATTR_ENUM_MAX, | |
357 | DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, | |
358 | }; | |
2f90b865 AD |
359 | |
360 | #endif /* __LINUX_DCBNL_H__ */ |