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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
23#define DCB_PROTO_VERSION 1
24
25struct 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.
Alexander Duyck46132182008-11-20 21:05:08 -080046 * @DCB_CMD_GCAP: request the DCB capabilities of the device
Alexander Duyck33dbabc2008-11-20 21:08:19 -080047 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
48 * @DCB_CMD_SNUMTCS: set the number of traffic classes
Alexander Duyck859ee3c2008-11-20 21:10:23 -080049 * @DCB_CMD_GBCN: set backward congestion notification configuration
50 * @DCB_CMD_SBCN: get backward congestion notification configration.
Alexander Duyck2f90b862008-11-20 20:52:10 -080051 */
52enum dcbnl_commands {
53 DCB_CMD_UNDEFINED,
54
55 DCB_CMD_GSTATE,
56 DCB_CMD_SSTATE,
57
58 DCB_CMD_PGTX_GCFG,
59 DCB_CMD_PGTX_SCFG,
60 DCB_CMD_PGRX_GCFG,
61 DCB_CMD_PGRX_SCFG,
62
63 DCB_CMD_PFC_GCFG,
64 DCB_CMD_PFC_SCFG,
65
66 DCB_CMD_SET_ALL,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080067
Alexander Duyck2f90b862008-11-20 20:52:10 -080068 DCB_CMD_GPERM_HWADDR,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080069
Alexander Duyck46132182008-11-20 21:05:08 -080070 DCB_CMD_GCAP,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080071
Alexander Duyck33dbabc2008-11-20 21:08:19 -080072 DCB_CMD_GNUMTCS,
73 DCB_CMD_SNUMTCS,
Alexander Duyck859ee3c2008-11-20 21:10:23 -080074
Alexander Duyck0eb3aa92008-11-20 21:09:23 -080075 DCB_CMD_PFC_GSTATE,
76 DCB_CMD_PFC_SSTATE,
Alexander Duyck2f90b862008-11-20 20:52:10 -080077
Alexander Duyck859ee3c2008-11-20 21:10:23 -080078 DCB_CMD_BCN_GCFG,
79 DCB_CMD_BCN_SCFG,
80
Alexander Duyck2f90b862008-11-20 20:52:10 -080081 __DCB_CMD_ENUM_MAX,
82 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
83};
84
Alexander Duyck2f90b862008-11-20 20:52:10 -080085/**
86 * enum dcbnl_attrs - DCB top-level netlink attributes
87 *
88 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
89 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
90 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
91 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
92 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
93 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
94 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
95 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
96 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
Alexander Duyck46132182008-11-20 21:05:08 -080097 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
Alexander Duyck33dbabc2008-11-20 21:08:19 -080098 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
Alexander Duyck859ee3c2008-11-20 21:10:23 -080099 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
Alexander Duyck2f90b862008-11-20 20:52:10 -0800100 */
101enum dcbnl_attrs {
102 DCB_ATTR_UNDEFINED,
103
104 DCB_ATTR_IFNAME,
105 DCB_ATTR_STATE,
106 DCB_ATTR_PFC_STATE,
107 DCB_ATTR_PFC_CFG,
108 DCB_ATTR_NUM_TC,
109 DCB_ATTR_PG_CFG,
110 DCB_ATTR_SET_ALL,
111 DCB_ATTR_PERM_HWADDR,
Alexander Duyck46132182008-11-20 21:05:08 -0800112 DCB_ATTR_CAP,
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800113 DCB_ATTR_NUMTCS,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800114 DCB_ATTR_BCN,
Alexander Duyck2f90b862008-11-20 20:52:10 -0800115
116 __DCB_ATTR_ENUM_MAX,
117 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
118};
119
120/**
121 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
122 *
123 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
124 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
125 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
126 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
127 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
128 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
129 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
130 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
131 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
132 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
133 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
134 *
135 */
136enum dcbnl_pfc_up_attrs {
137 DCB_PFC_UP_ATTR_UNDEFINED,
138
139 DCB_PFC_UP_ATTR_0,
140 DCB_PFC_UP_ATTR_1,
141 DCB_PFC_UP_ATTR_2,
142 DCB_PFC_UP_ATTR_3,
143 DCB_PFC_UP_ATTR_4,
144 DCB_PFC_UP_ATTR_5,
145 DCB_PFC_UP_ATTR_6,
146 DCB_PFC_UP_ATTR_7,
147 DCB_PFC_UP_ATTR_ALL,
148
149 __DCB_PFC_UP_ATTR_ENUM_MAX,
150 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
151};
152
153/**
154 * enum dcbnl_pg_attrs - DCB Priority Group attributes
155 *
156 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
157 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
158 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
159 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
160 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
161 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
162 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
163 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
164 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
165 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
166 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
167 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
168 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
169 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
170 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
171 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
172 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
173 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
174 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
175 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
176 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
177 *
178 */
179enum dcbnl_pg_attrs {
180 DCB_PG_ATTR_UNDEFINED,
181
182 DCB_PG_ATTR_TC_0,
183 DCB_PG_ATTR_TC_1,
184 DCB_PG_ATTR_TC_2,
185 DCB_PG_ATTR_TC_3,
186 DCB_PG_ATTR_TC_4,
187 DCB_PG_ATTR_TC_5,
188 DCB_PG_ATTR_TC_6,
189 DCB_PG_ATTR_TC_7,
190 DCB_PG_ATTR_TC_MAX,
191 DCB_PG_ATTR_TC_ALL,
192
193 DCB_PG_ATTR_BW_ID_0,
194 DCB_PG_ATTR_BW_ID_1,
195 DCB_PG_ATTR_BW_ID_2,
196 DCB_PG_ATTR_BW_ID_3,
197 DCB_PG_ATTR_BW_ID_4,
198 DCB_PG_ATTR_BW_ID_5,
199 DCB_PG_ATTR_BW_ID_6,
200 DCB_PG_ATTR_BW_ID_7,
201 DCB_PG_ATTR_BW_ID_MAX,
202 DCB_PG_ATTR_BW_ID_ALL,
203
204 __DCB_PG_ATTR_ENUM_MAX,
205 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
206};
207
208/**
209 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
210 *
211 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
212 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
213 * Valid values are: 0-7
214 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
215 * Some devices may not support changing the
216 * user priority map of a TC.
217 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
218 * 0 - none
219 * 1 - group strict
220 * 2 - link strict
221 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
222 * not configured to use link strict priority,
223 * this is the percentage of bandwidth of the
224 * priority group this traffic class belongs to
225 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
226 *
227 */
228enum dcbnl_tc_attrs {
229 DCB_TC_ATTR_PARAM_UNDEFINED,
230
231 DCB_TC_ATTR_PARAM_PGID,
232 DCB_TC_ATTR_PARAM_UP_MAPPING,
233 DCB_TC_ATTR_PARAM_STRICT_PRIO,
234 DCB_TC_ATTR_PARAM_BW_PCT,
235 DCB_TC_ATTR_PARAM_ALL,
236
237 __DCB_TC_ATTR_PARAM_ENUM_MAX,
238 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
239};
240
241/**
Alexander Duyck46132182008-11-20 21:05:08 -0800242 * enum dcbnl_cap_attrs - DCB Capability attributes
243 *
244 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
245 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
246 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
247 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
248 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
249 * traffic class mapping
250 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
251 * number of traffic classes the device
252 * can be configured to use for Priority Groups
253 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
254 * number of traffic classes the device can be
255 * configured to use for Priority Flow Control
256 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
257 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
258 * Notification
259 */
260enum dcbnl_cap_attrs {
261 DCB_CAP_ATTR_UNDEFINED,
262 DCB_CAP_ATTR_ALL,
263 DCB_CAP_ATTR_PG,
264 DCB_CAP_ATTR_PFC,
265 DCB_CAP_ATTR_UP2TC,
266 DCB_CAP_ATTR_PG_TCS,
267 DCB_CAP_ATTR_PFC_TCS,
268 DCB_CAP_ATTR_GSP,
269 DCB_CAP_ATTR_BCN,
270
271 __DCB_CAP_ATTR_ENUM_MAX,
272 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
273};
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800274
275/**
276 * enum dcbnl_numtcs_attrs - number of traffic classes
277 *
278 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
279 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
280 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
281 * priority groups
282 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
283 * support priority flow control
284 */
285enum dcbnl_numtcs_attrs {
286 DCB_NUMTCS_ATTR_UNDEFINED,
287 DCB_NUMTCS_ATTR_ALL,
288 DCB_NUMTCS_ATTR_PG,
289 DCB_NUMTCS_ATTR_PFC,
290
291 __DCB_NUMTCS_ATTR_ENUM_MAX,
292 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
293};
294
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800295enum dcbnl_bcn_attrs{
296 DCB_BCN_ATTR_UNDEFINED = 0,
297
298 DCB_BCN_ATTR_RP_0,
299 DCB_BCN_ATTR_RP_1,
300 DCB_BCN_ATTR_RP_2,
301 DCB_BCN_ATTR_RP_3,
302 DCB_BCN_ATTR_RP_4,
303 DCB_BCN_ATTR_RP_5,
304 DCB_BCN_ATTR_RP_6,
305 DCB_BCN_ATTR_RP_7,
306 DCB_BCN_ATTR_RP_ALL,
307
Don Skidmoref4314e82008-12-21 20:10:29 -0800308 DCB_BCN_ATTR_BCNA_0,
309 DCB_BCN_ATTR_BCNA_1,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800310 DCB_BCN_ATTR_ALPHA,
311 DCB_BCN_ATTR_BETA,
312 DCB_BCN_ATTR_GD,
313 DCB_BCN_ATTR_GI,
314 DCB_BCN_ATTR_TMAX,
315 DCB_BCN_ATTR_TD,
316 DCB_BCN_ATTR_RMIN,
317 DCB_BCN_ATTR_W,
318 DCB_BCN_ATTR_RD,
319 DCB_BCN_ATTR_RU,
320 DCB_BCN_ATTR_WRTT,
321 DCB_BCN_ATTR_RI,
322 DCB_BCN_ATTR_C,
323 DCB_BCN_ATTR_ALL,
324
325 __DCB_BCN_ATTR_ENUM_MAX,
326 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
327};
328
Alexander Duyck46132182008-11-20 21:05:08 -0800329/**
Alexander Duyck2f90b862008-11-20 20:52:10 -0800330 * enum dcb_general_attr_values - general DCB attribute values
331 *
332 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
333 *
334 */
335enum dcb_general_attr_values {
336 DCB_ATTR_VALUE_UNDEFINED = 0xff
337};
338
339
340#endif /* __LINUX_DCBNL_H__ */