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2f90b865 1/*
698e1d23 2 * Copyright (c) 2008-2011, Intel Corporation.
2f90b865
AD		 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
3e29027a
JF		 25/* IEEE 802.1Qaz std supported values */
26#define IEEE_8021QAZ_MAX_TCS 8
27
d033d526 28#define IEEE_8021QAZ_TSA_STRICT 0
171f20e9 29#define IEEE_8021QAZ_TSA_CB_SHAPER 1
d033d526
JF		 30#define IEEE_8021QAZ_TSA_ETS 2
31#define IEEE_8021QAZ_TSA_VENDOR 255
32
3e29027a
JF		 33/* This structure contains the IEEE 802.1Qaz ETS managed object
34 *
171f20e9 35 * @willing: willing bit in ETS configuration TLV
3e29027a
JF		 36 * @ets_cap: indicates supported capacity of ets feature
37 * @cbs: credit based shaper ets algorithm supported
38 * @tc_tx_bw: tc tx bandwidth indexed by traffic class
39 * @tc_rx_bw: tc rx bandwidth indexed by traffic class
40 * @tc_tsa: TSA Assignment table, indexed by traffic class
41 * @prio_tc: priority assignment table mapping 8021Qp to traffic class
42 * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
43 * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
44 * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
45 *
46 * Recommended values are used to set fields in the ETS recommendation TLV
47 * with hardware offloaded LLDP.
48 *
49 * ----
50 * TSA Assignment 8 bit identifiers
51 * 0 strict priority
52 * 1 credit-based shaper
53 * 2 enhanced transmission selection
54 * 3-254 reserved
55 * 255 vendor specific
56 */
57struct ieee_ets {
58 __u8 willing;
59 __u8 ets_cap;
60 __u8 cbs;
61 __u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
62 __u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
63 __u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
64 __u8 prio_tc[IEEE_8021QAZ_MAX_TCS];
65 __u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
66 __u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
67 __u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
68};
69
70/* This structure contains the IEEE 802.1Qaz PFC managed object
71 *
72 * @pfc_cap: Indicates the number of traffic classes on the local device
73 * that may simultaneously have PFC enabled.
74 * @pfc_en: bitmap indicating pfc enabled traffic classes
75 * @mbc: enable macsec bypass capability
76 * @delay: the allowance made for a round-trip propagation delay of the
77 * link in bits.
78 * @requests: count of the sent pfc frames
79 * @indications: count of the received pfc frames
80 */
81struct ieee_pfc {
82 __u8 pfc_cap;
83 __u8 pfc_en;
84 __u8 mbc;
85 __u16 delay;
86 __u64 requests[IEEE_8021QAZ_MAX_TCS];
87 __u64 indications[IEEE_8021QAZ_MAX_TCS];
88};
89
dc6ed1df
SR		 90/* CEE DCBX std supported values */
91#define CEE_DCBX_MAX_PGS 8
92#define CEE_DCBX_MAX_PRIO 8
93
94/**
171f20e9 95 * struct cee_pg - CEE Priority-Group managed object
dc6ed1df
SR		 96 *
97 * @willing: willing bit in the PG tlv
98 * @error: error bit in the PG tlv
99 * @pg_en: enable bit of the PG feature
100 * @tcs_supported: number of traffic classes supported
101 * @pg_bw: bandwidth percentage for each priority group
102 * @prio_pg: priority to PG mapping indexed by priority
103 */
104struct cee_pg {
105 __u8 willing;
106 __u8 error;
107 __u8 pg_en;
108 __u8 tcs_supported;
109 __u8 pg_bw[CEE_DCBX_MAX_PGS];
110 __u8 prio_pg[CEE_DCBX_MAX_PGS];
111};
112
113/**
114 * struct cee_pfc - CEE PFC managed object
115 *
116 * @willing: willing bit in the PFC tlv
117 * @error: error bit in the PFC tlv
118 * @pfc_en: bitmap indicating pfc enabled traffic classes
119 * @tcs_supported: number of traffic classes supported
120 */
121struct cee_pfc {
122 __u8 willing;
123 __u8 error;
124 __u8 pfc_en;
125 __u8 tcs_supported;
126};
127
128
9ab933ab
JF		 129/* This structure contains the IEEE 802.1Qaz APP managed object. This
130 * object is also used for the CEE std as well. There is no difference
131 * between the objects.
3e29027a
JF		 132 *
133 * @selector: protocol identifier type
134 * @protocol: protocol of type indicated
135 * @priority: 3-bit unsigned integer indicating priority
136 *
137 * ----
138 * Selector field values
139 * 0 Reserved
140 * 1 Ethertype
141 * 2 Well known port number over TCP or SCTP
142 * 3 Well known port number over UDP or DCCP
143 * 4 Well known port number over TCP, SCTP, UDP, or DCCP
144 * 5-7 Reserved
145 */
146struct dcb_app {
147 __u8 selector;
3e29027a 148 __u8 priority;
226111d1 149 __u16 protocol;
3e29027a
JF		 150};
151
eed84713
SR		 152/**
153 * struct dcb_peer_app_info - APP feature information sent by the peer
154 *
155 * @willing: willing bit in the peer APP tlv
156 * @error: error bit in the peer APP tlv
157 *
158 * In addition to this information the full peer APP tlv also contains
159 * a table of 'app_count' APP objects defined above.
160 */
161struct dcb_peer_app_info {
162 __u8 willing;
163 __u8 error;
164};
165
2f90b865 166struct dcbmsg {
5c252221 167 __u8 dcb_family;
2f90b865
AD		 168 __u8 cmd;
169 __u16 dcb_pad;
170};
171
172/**
173 * enum dcbnl_commands - supported DCB commands
174 *
175 * @DCB_CMD_UNDEFINED: unspecified command to catch errors
176 * @DCB_CMD_GSTATE: request the state of DCB in the device
177 * @DCB_CMD_SSTATE: set the state of DCB in the device
178 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
179 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
180 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
181 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
182 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
183 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
184 * @DCB_CMD_SET_ALL: apply all changes to the underlying device
185 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
186 * device. Only useful when using bonding.
46132188 187 * @DCB_CMD_GCAP: request the DCB capabilities of the device
33dbabc4
AD		 188 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
189 * @DCB_CMD_SNUMTCS: set the number of traffic classes
859ee3c4
AD		 190 * @DCB_CMD_GBCN: set backward congestion notification configuration
191 * @DCB_CMD_SBCN: get backward congestion notification configration.
0f6f2902
YZ		 192 * @DCB_CMD_GAPP: get application protocol configuration
193 * @DCB_CMD_SAPP: set application protocol configuration
3e29027a
JF		 194 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
195 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
6241b625
SR		 196 * @DCB_CMD_GDCBX: get DCBX engine configuration
197 * @DCB_CMD_SDCBX: set DCBX engine configuration
ea45fe4e
SR		 198 * @DCB_CMD_GFEATCFG: get DCBX features flags
199 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
dc6ed1df 200 * @DCB_CMD_CEE_GET: get CEE aggregated configuration
2f90b865
AD		 201 */
202enum dcbnl_commands {
203 DCB_CMD_UNDEFINED,
204
205 DCB_CMD_GSTATE,
206 DCB_CMD_SSTATE,
207
208 DCB_CMD_PGTX_GCFG,
209 DCB_CMD_PGTX_SCFG,
210 DCB_CMD_PGRX_GCFG,
211 DCB_CMD_PGRX_SCFG,
212
213 DCB_CMD_PFC_GCFG,
214 DCB_CMD_PFC_SCFG,
215
216 DCB_CMD_SET_ALL,
859ee3c4 217
2f90b865 218 DCB_CMD_GPERM_HWADDR,
859ee3c4 219
46132188 220 DCB_CMD_GCAP,
859ee3c4 221
33dbabc4
AD		 222 DCB_CMD_GNUMTCS,
223 DCB_CMD_SNUMTCS,
859ee3c4 224
0eb3aa9b
AD		 225 DCB_CMD_PFC_GSTATE,
226 DCB_CMD_PFC_SSTATE,
2f90b865 227
859ee3c4
AD		 228 DCB_CMD_BCN_GCFG,
229 DCB_CMD_BCN_SCFG,
230
0f6f2902
YZ		 231 DCB_CMD_GAPP,
232 DCB_CMD_SAPP,
233
3e29027a
JF		 234 DCB_CMD_IEEE_SET,
235 DCB_CMD_IEEE_GET,
236
6241b625
SR		 237 DCB_CMD_GDCBX,
238 DCB_CMD_SDCBX,
239
ea45fe4e
SR		 240 DCB_CMD_GFEATCFG,
241 DCB_CMD_SFEATCFG,
242
dc6ed1df
SR		 243 DCB_CMD_CEE_GET,
244
2f90b865
AD		 245 __DCB_CMD_ENUM_MAX,
246 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
247};
248
2f90b865
AD		 249/**
250 * enum dcbnl_attrs - DCB top-level netlink attributes
251 *
252 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
253 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
254 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
255 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
256 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
257 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
258 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
259 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
260 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
46132188 261 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
33dbabc4 262 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
859ee3c4 263 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
3e29027a 264 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
6241b625 265 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
ea45fe4e 266 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
dc6ed1df 267 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
2f90b865
AD		 268 */
269enum dcbnl_attrs {
270 DCB_ATTR_UNDEFINED,
271
272 DCB_ATTR_IFNAME,
273 DCB_ATTR_STATE,
274 DCB_ATTR_PFC_STATE,
275 DCB_ATTR_PFC_CFG,
276 DCB_ATTR_NUM_TC,
277 DCB_ATTR_PG_CFG,
278 DCB_ATTR_SET_ALL,
279 DCB_ATTR_PERM_HWADDR,
46132188 280 DCB_ATTR_CAP,
33dbabc4 281 DCB_ATTR_NUMTCS,
859ee3c4 282 DCB_ATTR_BCN,
0f6f2902 283 DCB_ATTR_APP,
2f90b865 284
3e29027a
JF		 285 /* IEEE std attributes */
286 DCB_ATTR_IEEE,
287
6241b625 288 DCB_ATTR_DCBX,
ea45fe4e 289 DCB_ATTR_FEATCFG,
6241b625 290
dc6ed1df
SR		 291 /* CEE nested attributes */
292 DCB_ATTR_CEE,
293
2f90b865
AD		 294 __DCB_ATTR_ENUM_MAX,
295 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
296};
297
eed84713
SR		 298/**
299 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
300 *
301 * @DCB_ATTR_IEEE_UNSPEC: unspecified
302 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
303 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
304 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
305 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
306 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
307 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
308 */
3e29027a
JF		 309enum ieee_attrs {
310 DCB_ATTR_IEEE_UNSPEC,
311 DCB_ATTR_IEEE_ETS,
312 DCB_ATTR_IEEE_PFC,
313 DCB_ATTR_IEEE_APP_TABLE,
eed84713
SR		 314 DCB_ATTR_IEEE_PEER_ETS,
315 DCB_ATTR_IEEE_PEER_PFC,
316 DCB_ATTR_IEEE_PEER_APP,
3e29027a
JF		 317 __DCB_ATTR_IEEE_MAX
318};
319#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
320
321enum ieee_attrs_app {
322 DCB_ATTR_IEEE_APP_UNSPEC,
323 DCB_ATTR_IEEE_APP,
324 __DCB_ATTR_IEEE_APP_MAX
325};
326#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
327
dc6ed1df
SR		 328/**
329 * enum cee_attrs - CEE DCBX get attributes
330 *
331 * @DCB_ATTR_CEE_UNSPEC: unspecified
332 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
333 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
334 * @DCB_ATTR_CEE_PEER_APP: peer APP tlv - get only
335 */
336enum cee_attrs {
337 DCB_ATTR_CEE_UNSPEC,
338 DCB_ATTR_CEE_PEER_PG,
339 DCB_ATTR_CEE_PEER_PFC,
340 DCB_ATTR_CEE_PEER_APP_TABLE,
341 __DCB_ATTR_CEE_MAX
342};
343#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
344
345enum peer_app_attr {
346 DCB_ATTR_CEE_PEER_APP_UNSPEC,
347 DCB_ATTR_CEE_PEER_APP_INFO,
348 DCB_ATTR_CEE_PEER_APP,
349 __DCB_ATTR_CEE_PEER_APP_MAX
350};
351#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
352
2f90b865
AD		 353/**
354 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
355 *
356 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
357 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
358 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
359 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
360 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
361 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
362 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
363 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
364 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
365 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
366 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
367 *
368 */
369enum dcbnl_pfc_up_attrs {
370 DCB_PFC_UP_ATTR_UNDEFINED,
371
372 DCB_PFC_UP_ATTR_0,
373 DCB_PFC_UP_ATTR_1,
374 DCB_PFC_UP_ATTR_2,
375 DCB_PFC_UP_ATTR_3,
376 DCB_PFC_UP_ATTR_4,
377 DCB_PFC_UP_ATTR_5,
378 DCB_PFC_UP_ATTR_6,
379 DCB_PFC_UP_ATTR_7,
380 DCB_PFC_UP_ATTR_ALL,
381
382 __DCB_PFC_UP_ATTR_ENUM_MAX,
383 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
384};
385
386/**
387 * enum dcbnl_pg_attrs - DCB Priority Group attributes
388 *
389 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
390 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
391 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
392 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
393 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
394 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
395 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
396 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
397 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
398 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
399 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
400 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
401 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
402 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
403 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
404 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
405 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
406 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
407 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
408 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
409 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
410 *
411 */
412enum dcbnl_pg_attrs {
413 DCB_PG_ATTR_UNDEFINED,
414
415 DCB_PG_ATTR_TC_0,
416 DCB_PG_ATTR_TC_1,
417 DCB_PG_ATTR_TC_2,
418 DCB_PG_ATTR_TC_3,
419 DCB_PG_ATTR_TC_4,
420 DCB_PG_ATTR_TC_5,
421 DCB_PG_ATTR_TC_6,
422 DCB_PG_ATTR_TC_7,
423 DCB_PG_ATTR_TC_MAX,
424 DCB_PG_ATTR_TC_ALL,
425
426 DCB_PG_ATTR_BW_ID_0,
427 DCB_PG_ATTR_BW_ID_1,
428 DCB_PG_ATTR_BW_ID_2,
429 DCB_PG_ATTR_BW_ID_3,
430 DCB_PG_ATTR_BW_ID_4,
431 DCB_PG_ATTR_BW_ID_5,
432 DCB_PG_ATTR_BW_ID_6,
433 DCB_PG_ATTR_BW_ID_7,
434 DCB_PG_ATTR_BW_ID_MAX,
435 DCB_PG_ATTR_BW_ID_ALL,
436
437 __DCB_PG_ATTR_ENUM_MAX,
438 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
439};
440
441/**
442 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
443 *
444 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
445 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
446 * Valid values are: 0-7
447 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
448 * Some devices may not support changing the
449 * user priority map of a TC.
450 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
451 * 0 - none
452 * 1 - group strict
453 * 2 - link strict
454 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
455 * not configured to use link strict priority,
456 * this is the percentage of bandwidth of the
457 * priority group this traffic class belongs to
458 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
459 *
460 */
461enum dcbnl_tc_attrs {
462 DCB_TC_ATTR_PARAM_UNDEFINED,
463
464 DCB_TC_ATTR_PARAM_PGID,
465 DCB_TC_ATTR_PARAM_UP_MAPPING,
466 DCB_TC_ATTR_PARAM_STRICT_PRIO,
467 DCB_TC_ATTR_PARAM_BW_PCT,
468 DCB_TC_ATTR_PARAM_ALL,
469
470 __DCB_TC_ATTR_PARAM_ENUM_MAX,
471 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
472};
473
46132188
AD		 474/**
475 * enum dcbnl_cap_attrs - DCB Capability attributes
476 *
477 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
478 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
479 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
480 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
481 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
482 * traffic class mapping
483 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
484 * number of traffic classes the device
485 * can be configured to use for Priority Groups
486 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
487 * number of traffic classes the device can be
488 * configured to use for Priority Flow Control
489 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
490 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
491 * Notification
6241b625
SR		 492 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
493 *
46132188
AD		 494 */
495enum dcbnl_cap_attrs {
496 DCB_CAP_ATTR_UNDEFINED,
497 DCB_CAP_ATTR_ALL,
498 DCB_CAP_ATTR_PG,
499 DCB_CAP_ATTR_PFC,
500 DCB_CAP_ATTR_UP2TC,
501 DCB_CAP_ATTR_PG_TCS,
502 DCB_CAP_ATTR_PFC_TCS,
503 DCB_CAP_ATTR_GSP,
504 DCB_CAP_ATTR_BCN,
6241b625 505 DCB_CAP_ATTR_DCBX,
46132188
AD		 506
507 __DCB_CAP_ATTR_ENUM_MAX,
508 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
509};
33dbabc4 510
6241b625
SR		 511/**
512 * DCBX capability flags
513 *
514 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
515 * 'set' routines are used to configure the device with
516 * the negotiated parameters
517 *
518 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
519 * by another entity
520 * 'get' routines are used to retrieve the
521 * negotiated parameters
522 * 'set' routines can be used to set the initial
523 * negotiation configuration
524 *
525 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
526 * supports the CEE protocol flavor
527 *
528 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
529 * supports the IEEE protocol flavor
530 *
531 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
532 * supports static configuration (i.e no actual
533 * negotiation is performed negotiated parameters equal
534 * the initial configuration)
535 *
536 */
537#define DCB_CAP_DCBX_HOST 0x01
538#define DCB_CAP_DCBX_LLD_MANAGED 0x02
539#define DCB_CAP_DCBX_VER_CEE 0x04
540#define DCB_CAP_DCBX_VER_IEEE 0x08
541#define DCB_CAP_DCBX_STATIC 0x10
542
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AD		 543/**
544 * enum dcbnl_numtcs_attrs - number of traffic classes
545 *
546 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
547 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
548 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
549 * priority groups
550 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
551 * support priority flow control
552 */
553enum dcbnl_numtcs_attrs {
554 DCB_NUMTCS_ATTR_UNDEFINED,
555 DCB_NUMTCS_ATTR_ALL,
556 DCB_NUMTCS_ATTR_PG,
557 DCB_NUMTCS_ATTR_PFC,
558
559 __DCB_NUMTCS_ATTR_ENUM_MAX,
560 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
561};
562
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AD		 563enum dcbnl_bcn_attrs{
564 DCB_BCN_ATTR_UNDEFINED = 0,
565
566 DCB_BCN_ATTR_RP_0,
567 DCB_BCN_ATTR_RP_1,
568 DCB_BCN_ATTR_RP_2,
569 DCB_BCN_ATTR_RP_3,
570 DCB_BCN_ATTR_RP_4,
571 DCB_BCN_ATTR_RP_5,
572 DCB_BCN_ATTR_RP_6,
573 DCB_BCN_ATTR_RP_7,
574 DCB_BCN_ATTR_RP_ALL,
575
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DS		 576 DCB_BCN_ATTR_BCNA_0,
577 DCB_BCN_ATTR_BCNA_1,
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AD		 578 DCB_BCN_ATTR_ALPHA,
579 DCB_BCN_ATTR_BETA,
580 DCB_BCN_ATTR_GD,
581 DCB_BCN_ATTR_GI,
582 DCB_BCN_ATTR_TMAX,
583 DCB_BCN_ATTR_TD,
584 DCB_BCN_ATTR_RMIN,
585 DCB_BCN_ATTR_W,
586 DCB_BCN_ATTR_RD,
587 DCB_BCN_ATTR_RU,
588 DCB_BCN_ATTR_WRTT,
589 DCB_BCN_ATTR_RI,
590 DCB_BCN_ATTR_C,
591 DCB_BCN_ATTR_ALL,
592
593 __DCB_BCN_ATTR_ENUM_MAX,
594 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
595};
596
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AD		 597/**
598 * enum dcb_general_attr_values - general DCB attribute values
599 *
600 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
601 *
602 */
603enum dcb_general_attr_values {
604 DCB_ATTR_VALUE_UNDEFINED = 0xff
605};
606
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YZ		 607#define DCB_APP_IDTYPE_ETHTYPE 0x00
608#define DCB_APP_IDTYPE_PORTNUM 0x01
609enum dcbnl_app_attrs {
610 DCB_APP_ATTR_UNDEFINED,
611
612 DCB_APP_ATTR_IDTYPE,
613 DCB_APP_ATTR_ID,
614 DCB_APP_ATTR_PRIORITY,
615
616 __DCB_APP_ATTR_ENUM_MAX,
617 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
618};
2f90b865 619
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SR		 620/**
621 * enum dcbnl_featcfg_attrs - features conifiguration flags
622 *
623 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
624 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
625 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
626 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
627 * flow control
628 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
629 *
630 */
631#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */
632#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */
633#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */
634#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */
635enum dcbnl_featcfg_attrs {
636 DCB_FEATCFG_ATTR_UNDEFINED,
637 DCB_FEATCFG_ATTR_ALL,
638 DCB_FEATCFG_ATTR_PG,
639 DCB_FEATCFG_ATTR_PFC,
640 DCB_FEATCFG_ATTR_APP,
641
642 __DCB_FEATCFG_ATTR_ENUM_MAX,
643 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
644};
645
2f90b865 646#endif /* __LINUX_DCBNL_H__ */
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