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Alexander Duyck2f90b862008-11-20 20:52:10 -08001/*
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
Chris Leech5c252222009-02-27 10:01:36 +000023#include <linux/types.h>
24
Alexander Duyck2f90b862008-11-20 20:52:10 -080025#define DCB_PROTO_VERSION 1
26
27struct dcbmsg {
Chris Leech5c252222009-02-27 10:01:36 +000028 __u8 dcb_family;
Alexander Duyck2f90b862008-11-20 20:52:10 -080029 __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.
Alexander Duyck46132182008-11-20 21:05:08 -080048 * @DCB_CMD_GCAP: request the DCB capabilities of the device
Alexander Duyck33dbabc2008-11-20 21:08:19 -080049 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
50 * @DCB_CMD_SNUMTCS: set the number of traffic classes
Alexander Duyck859ee3c2008-11-20 21:10:23 -080051 * @DCB_CMD_GBCN: set backward congestion notification configuration
52 * @DCB_CMD_SBCN: get backward congestion notification configration.
Yi Zou0f6f2902009-08-31 12:32:34 +000053 * @DCB_CMD_GAPP: get application protocol configuration
54 * @DCB_CMD_SAPP: set application protocol configuration
Alexander Duyck2f90b862008-11-20 20:52:10 -080055 */
56enum 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,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080071
Alexander Duyck2f90b862008-11-20 20:52:10 -080072 DCB_CMD_GPERM_HWADDR,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080073
Alexander Duyck46132182008-11-20 21:05:08 -080074 DCB_CMD_GCAP,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080075
Alexander Duyck33dbabc2008-11-20 21:08:19 -080076 DCB_CMD_GNUMTCS,
77 DCB_CMD_SNUMTCS,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080078
Alexander Duyck0eb3aa92008-11-20 21:09:23 -080079 DCB_CMD_PFC_GSTATE,
80 DCB_CMD_PFC_SSTATE,
Alexander Duyck2f90b862008-11-20 20:52:10 -080081
Alexander Duyck859ee3c2008-11-20 21:10:23 -080082 DCB_CMD_BCN_GCFG,
83 DCB_CMD_BCN_SCFG,
84
Yi Zou0f6f2902009-08-31 12:32:34 +000085 DCB_CMD_GAPP,
86 DCB_CMD_SAPP,
87
Alexander Duyck2f90b862008-11-20 20:52:10 -080088 __DCB_CMD_ENUM_MAX,
89 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
90};
91
Alexander Duyck2f90b862008-11-20 20:52:10 -080092/**
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)
Alexander Duyck46132182008-11-20 21:05:08 -0800104 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800105 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800106 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
Alexander Duyck2f90b862008-11-20 20:52:10 -0800107 */
108enum 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,
Alexander Duyck46132182008-11-20 21:05:08 -0800119 DCB_ATTR_CAP,
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800120 DCB_ATTR_NUMTCS,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800121 DCB_ATTR_BCN,
Yi Zou0f6f2902009-08-31 12:32:34 +0000122 DCB_ATTR_APP,
Alexander Duyck2f90b862008-11-20 20:52:10 -0800123
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 */
144enum 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 */
187enum 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 */
236enum 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
249/**
Alexander Duyck46132182008-11-20 21:05:08 -0800250 * 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 */
268enum 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};
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800282
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 */
293enum 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
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800303enum 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
Don Skidmoref4314e82008-12-21 20:10:29 -0800316 DCB_BCN_ATTR_BCNA_0,
317 DCB_BCN_ATTR_BCNA_1,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800318 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
Alexander Duyck46132182008-11-20 21:05:08 -0800337/**
Alexander Duyck2f90b862008-11-20 20:52:10 -0800338 * 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 */
343enum dcb_general_attr_values {
344 DCB_ATTR_VALUE_UNDEFINED = 0xff
345};
346
Yi Zou0f6f2902009-08-31 12:32:34 +0000347#define DCB_APP_IDTYPE_ETHTYPE 0x00
348#define DCB_APP_IDTYPE_PORTNUM 0x01
349enum 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};
Alexander Duyck2f90b862008-11-20 20:52:10 -0800359
360#endif /* __LINUX_DCBNL_H__ */