summaryrefslogtreecommitdiffstats
path: root/include/uapi/linux/dcbnl.h
blob: e711f20dc522ee22c728a338a203b6ce4c27d22a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
/*
 * Copyright (c) 2008-2011, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307 USA.
 *
 * Author: Lucy Liu <lucy.liu@intel.com>
 */

#ifndef __LINUX_DCBNL_H__
#define __LINUX_DCBNL_H__

#include <linux/types.h>

/* IEEE 802.1Qaz std supported values */
#define IEEE_8021QAZ_MAX_TCS	8

#define IEEE_8021QAZ_TSA_STRICT		0
#define IEEE_8021QAZ_TSA_CB_SHAPER	1
#define IEEE_8021QAZ_TSA_ETS		2
#define IEEE_8021QAZ_TSA_VENDOR		255

/* This structure contains the IEEE 802.1Qaz ETS managed object
 *
 * @willing: willing bit in ETS configuration TLV
 * @ets_cap: indicates supported capacity of ets feature
 * @cbs: credit based shaper ets algorithm supported
 * @tc_tx_bw: tc tx bandwidth indexed by traffic class
 * @tc_rx_bw: tc rx bandwidth indexed by traffic class
 * @tc_tsa: TSA Assignment table, indexed by traffic class
 * @prio_tc: priority assignment table mapping 8021Qp to traffic class
 * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
 * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
 * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
 *
 * Recommended values are used to set fields in the ETS recommendation TLV
 * with hardware offloaded LLDP.
 *
 * ----
 *  TSA Assignment 8 bit identifiers
 *	0	strict priority
 *	1	credit-based shaper
 *	2	enhanced transmission selection
 *	3-254	reserved
 *	255	vendor specific
 */
struct ieee_ets {
	__u8	willing;
	__u8	ets_cap;
	__u8	cbs;
	__u8	tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
	__u8	tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
	__u8	tc_tsa[IEEE_8021QAZ_MAX_TCS];
	__u8	prio_tc[IEEE_8021QAZ_MAX_TCS];
	__u8	tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
	__u8	tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
	__u8	reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
};

/* This structure contains rate limit extension to the IEEE 802.1Qaz ETS
 * managed object.
 * Values are 64 bits long and specified in Kbps to enable usage over both
 * slow and very fast networks.
 *
 * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
 */
struct ieee_maxrate {
	__u64	tc_maxrate[IEEE_8021QAZ_MAX_TCS];
};

/* This structure contains the IEEE 802.1Qaz PFC managed object
 *
 * @pfc_cap: Indicates the number of traffic classes on the local device
 *	     that may simultaneously have PFC enabled.
 * @pfc_en: bitmap indicating pfc enabled traffic classes
 * @mbc: enable macsec bypass capability
 * @delay: the allowance made for a round-trip propagation delay of the
 *	   link in bits.
 * @requests: count of the sent pfc frames
 * @indications: count of the received pfc frames
 */
struct ieee_pfc {
	__u8	pfc_cap;
	__u8	pfc_en;
	__u8	mbc;
	__u16	delay;
	__u64	requests[IEEE_8021QAZ_MAX_TCS];
	__u64	indications[IEEE_8021QAZ_MAX_TCS];
};

/* CEE DCBX std supported values */
#define CEE_DCBX_MAX_PGS	8
#define CEE_DCBX_MAX_PRIO	8

/**
 * struct cee_pg - CEE Priority-Group managed object
 *
 * @willing: willing bit in the PG tlv
 * @error: error bit in the PG tlv
 * @pg_en: enable bit of the PG feature
 * @tcs_supported: number of traffic classes supported
 * @pg_bw: bandwidth percentage for each priority group
 * @prio_pg: priority to PG mapping indexed by priority
 */
struct cee_pg {
	__u8    willing;
	__u8    error;
	__u8    pg_en;
	__u8    tcs_supported;
	__u8    pg_bw[CEE_DCBX_MAX_PGS];
	__u8    prio_pg[CEE_DCBX_MAX_PGS];
};

/**
 * struct cee_pfc - CEE PFC managed object
 *
 * @willing: willing bit in the PFC tlv
 * @error: error bit in the PFC tlv
 * @pfc_en: bitmap indicating pfc enabled traffic classes
 * @tcs_supported: number of traffic classes supported
 */
struct cee_pfc {
	__u8    willing;
	__u8    error;
	__u8    pfc_en;
	__u8    tcs_supported;
};

/* IEEE 802.1Qaz std supported values */
#define IEEE_8021QAZ_APP_SEL_ETHERTYPE	1
#define IEEE_8021QAZ_APP_SEL_STREAM	2
#define IEEE_8021QAZ_APP_SEL_DGRAM	3
#define IEEE_8021QAZ_APP_SEL_ANY	4

/* This structure contains the IEEE 802.1Qaz APP managed object. This
 * object is also used for the CEE std as well. There is no difference
 * between the objects.
 *
 * @selector: protocol identifier type
 * @protocol: protocol of type indicated
 * @priority: 3-bit unsigned integer indicating priority for IEEE
 *            8-bit 802.1p user priority bitmap for CEE
 *
 * ----
 *  Selector field values
 *	0	Reserved
 *	1	Ethertype
 *	2	Well known port number over TCP or SCTP
 *	3	Well known port number over UDP or DCCP
 *	4	Well known port number over TCP, SCTP, UDP, or DCCP
 *	5-7	Reserved
 */
struct dcb_app {
	__u8	selector;
	__u8	priority;
	__u16	protocol;
};

/**
 * struct dcb_peer_app_info - APP feature information sent by the peer
 *
 * @willing: willing bit in the peer APP tlv
 * @error: error bit in the peer APP tlv
 *
 * In addition to this information the full peer APP tlv also contains
 * a table of 'app_count' APP objects defined above.
 */
struct dcb_peer_app_info {
	__u8	willing;
	__u8	error;
};

struct dcbmsg {
	__u8               dcb_family;
	__u8               cmd;
	__u16              dcb_pad;
};

/**
 * enum dcbnl_commands - supported DCB commands
 *
 * @DCB_CMD_UNDEFINED: unspecified command to catch errors
 * @DCB_CMD_GSTATE: request the state of DCB in the device
 * @DCB_CMD_SSTATE: set the state of DCB in the device
 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
 * @DCB_CMD_SET_ALL: apply all changes to the underlying device
 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
 *                        device.  Only useful when using bonding.
 * @DCB_CMD_GCAP: request the DCB capabilities of the device
 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
 * @DCB_CMD_SNUMTCS: set the number of traffic classes
 * @DCB_CMD_GBCN: set backward congestion notification configuration
 * @DCB_CMD_SBCN: get backward congestion notification configration.
 * @DCB_CMD_GAPP: get application protocol configuration
 * @DCB_CMD_SAPP: set application protocol configuration
 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
 * @DCB_CMD_GDCBX: get DCBX engine configuration
 * @DCB_CMD_SDCBX: set DCBX engine configuration
 * @DCB_CMD_GFEATCFG: get DCBX features flags
 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
 * @DCB_CMD_CEE_GET: get CEE aggregated configuration
 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
 */
enum dcbnl_commands {
	DCB_CMD_UNDEFINED,

	DCB_CMD_GSTATE,
	DCB_CMD_SSTATE,

	DCB_CMD_PGTX_GCFG,
	DCB_CMD_PGTX_SCFG,
	DCB_CMD_PGRX_GCFG,
	DCB_CMD_PGRX_SCFG,

	DCB_CMD_PFC_GCFG,
	DCB_CMD_PFC_SCFG,

	DCB_CMD_SET_ALL,

	DCB_CMD_GPERM_HWADDR,

	DCB_CMD_GCAP,

	DCB_CMD_GNUMTCS,
	DCB_CMD_SNUMTCS,

	DCB_CMD_PFC_GSTATE,
	DCB_CMD_PFC_SSTATE,

	DCB_CMD_BCN_GCFG,
	DCB_CMD_BCN_SCFG,

	DCB_CMD_GAPP,
	DCB_CMD_SAPP,

	DCB_CMD_IEEE_SET,
	DCB_CMD_IEEE_GET,

	DCB_CMD_GDCBX,
	DCB_CMD_SDCBX,

	DCB_CMD_GFEATCFG,
	DCB_CMD_SFEATCFG,

	DCB_CMD_CEE_GET,
	DCB_CMD_IEEE_DEL,

	__DCB_CMD_ENUM_MAX,
	DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
};

/**
 * enum dcbnl_attrs - DCB top-level netlink attributes
 *
 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
 */
enum dcbnl_attrs {
	DCB_ATTR_UNDEFINED,

	DCB_ATTR_IFNAME,
	DCB_ATTR_STATE,
	DCB_ATTR_PFC_STATE,
	DCB_ATTR_PFC_CFG,
	DCB_ATTR_NUM_TC,
	DCB_ATTR_PG_CFG,
	DCB_ATTR_SET_ALL,
	DCB_ATTR_PERM_HWADDR,
	DCB_ATTR_CAP,
	DCB_ATTR_NUMTCS,
	DCB_ATTR_BCN,
	DCB_ATTR_APP,

	/* IEEE std attributes */
	DCB_ATTR_IEEE,

	DCB_ATTR_DCBX,
	DCB_ATTR_FEATCFG,

	/* CEE nested attributes */
	DCB_ATTR_CEE,

	__DCB_ATTR_ENUM_MAX,
	DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
};

/**
 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
 *
 * @DCB_ATTR_IEEE_UNSPEC: unspecified
 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
 */
enum ieee_attrs {
	DCB_ATTR_IEEE_UNSPEC,
	DCB_ATTR_IEEE_ETS,
	DCB_ATTR_IEEE_PFC,
	DCB_ATTR_IEEE_APP_TABLE,
	DCB_ATTR_IEEE_PEER_ETS,
	DCB_ATTR_IEEE_PEER_PFC,
	DCB_ATTR_IEEE_PEER_APP,
	DCB_ATTR_IEEE_MAXRATE,
	__DCB_ATTR_IEEE_MAX
};
#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)

enum ieee_attrs_app {
	DCB_ATTR_IEEE_APP_UNSPEC,
	DCB_ATTR_IEEE_APP,
	__DCB_ATTR_IEEE_APP_MAX
};
#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)

/**
 * enum cee_attrs - CEE DCBX get attributes.
 *
 * @DCB_ATTR_CEE_UNSPEC: unspecified
 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
 *
 * An aggregated collection of the cee std negotiated parameters.
 */
enum cee_attrs {
	DCB_ATTR_CEE_UNSPEC,
	DCB_ATTR_CEE_PEER_PG,
	DCB_ATTR_CEE_PEER_PFC,
	DCB_ATTR_CEE_PEER_APP_TABLE,
	DCB_ATTR_CEE_TX_PG,
	DCB_ATTR_CEE_RX_PG,
	DCB_ATTR_CEE_PFC,
	DCB_ATTR_CEE_APP_TABLE,
	DCB_ATTR_CEE_FEAT,
	__DCB_ATTR_CEE_MAX
};
#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)

enum peer_app_attr {
	DCB_ATTR_CEE_PEER_APP_UNSPEC,
	DCB_ATTR_CEE_PEER_APP_INFO,
	DCB_ATTR_CEE_PEER_APP,
	__DCB_ATTR_CEE_PEER_APP_MAX
};
#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)

enum cee_attrs_app {
	DCB_ATTR_CEE_APP_UNSPEC,
	DCB_ATTR_CEE_APP,
	__DCB_ATTR_CEE_APP_MAX
};
#define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)

/**
 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
 *
 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
 *
 */
enum dcbnl_pfc_up_attrs {
	DCB_PFC_UP_ATTR_UNDEFINED,

	DCB_PFC_UP_ATTR_0,
	DCB_PFC_UP_ATTR_1,
	DCB_PFC_UP_ATTR_2,
	DCB_PFC_UP_ATTR_3,
	DCB_PFC_UP_ATTR_4,
	DCB_PFC_UP_ATTR_5,
	DCB_PFC_UP_ATTR_6,
	DCB_PFC_UP_ATTR_7,
	DCB_PFC_UP_ATTR_ALL,

	__DCB_PFC_UP_ATTR_ENUM_MAX,
	DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
};

/**
 * enum dcbnl_pg_attrs - DCB Priority Group attributes
 *
 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
 *
 */
enum dcbnl_pg_attrs {
	DCB_PG_ATTR_UNDEFINED,

	DCB_PG_ATTR_TC_0,
	DCB_PG_ATTR_TC_1,
	DCB_PG_ATTR_TC_2,
	DCB_PG_ATTR_TC_3,
	DCB_PG_ATTR_TC_4,
	DCB_PG_ATTR_TC_5,
	DCB_PG_ATTR_TC_6,
	DCB_PG_ATTR_TC_7,
	DCB_PG_ATTR_TC_MAX,
	DCB_PG_ATTR_TC_ALL,

	DCB_PG_ATTR_BW_ID_0,
	DCB_PG_ATTR_BW_ID_1,
	DCB_PG_ATTR_BW_ID_2,
	DCB_PG_ATTR_BW_ID_3,
	DCB_PG_ATTR_BW_ID_4,
	DCB_PG_ATTR_BW_ID_5,
	DCB_PG_ATTR_BW_ID_6,
	DCB_PG_ATTR_BW_ID_7,
	DCB_PG_ATTR_BW_ID_MAX,
	DCB_PG_ATTR_BW_ID_ALL,

	__DCB_PG_ATTR_ENUM_MAX,
	DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
};

/**
 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
 *
 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
 *                          Valid values are:  0-7
 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
 *                                Some devices may not support changing the
 *                                user priority map of a TC.
 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
 *                                 0 - none
 *                                 1 - group strict
 *                                 2 - link strict
 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
 *                            not configured to use link strict priority,
 *                            this is the percentage of bandwidth of the
 *                            priority group this traffic class belongs to
 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
 *
 */
enum dcbnl_tc_attrs {
	DCB_TC_ATTR_PARAM_UNDEFINED,

	DCB_TC_ATTR_PARAM_PGID,
	DCB_TC_ATTR_PARAM_UP_MAPPING,
	DCB_TC_ATTR_PARAM_STRICT_PRIO,
	DCB_TC_ATTR_PARAM_BW_PCT,
	DCB_TC_ATTR_PARAM_ALL,

	__DCB_TC_ATTR_PARAM_ENUM_MAX,
	DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
};

/**
 * enum dcbnl_cap_attrs - DCB Capability attributes
 *
 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
 *                               traffic class mapping
 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
 *                                number of traffic classes the device
 *                                can be configured to use for Priority Groups
 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
 *                                 number of traffic classes the device can be
 *                                 configured to use for Priority Flow Control
 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
 *                             Notification
 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
 *
 */
enum dcbnl_cap_attrs {
	DCB_CAP_ATTR_UNDEFINED,
	DCB_CAP_ATTR_ALL,
	DCB_CAP_ATTR_PG,
	DCB_CAP_ATTR_PFC,
	DCB_CAP_ATTR_UP2TC,
	DCB_CAP_ATTR_PG_TCS,
	DCB_CAP_ATTR_PFC_TCS,
	DCB_CAP_ATTR_GSP,
	DCB_CAP_ATTR_BCN,
	DCB_CAP_ATTR_DCBX,

	__DCB_CAP_ATTR_ENUM_MAX,
	DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
};

/**
 * DCBX capability flags
 *
 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
 *                     'set' routines are used to configure the device with
 *                     the negotiated parameters
 *
 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
 *                            by another entity
 *                            'get' routines are used to retrieve the
 *                            negotiated parameters
 *                            'set' routines can be used to set the initial
 *                            negotiation configuration
 *
 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
 *                        supports the CEE protocol flavor
 *
 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
 *                         supports the IEEE protocol flavor
 *
 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
 *                       supports static configuration (i.e no actual
 *                       negotiation is performed negotiated parameters equal
 *                       the initial configuration)
 *
 */
#define DCB_CAP_DCBX_HOST		0x01
#define DCB_CAP_DCBX_LLD_MANAGED	0x02
#define DCB_CAP_DCBX_VER_CEE		0x04
#define DCB_CAP_DCBX_VER_IEEE		0x08
#define DCB_CAP_DCBX_STATIC		0x10

/**
 * enum dcbnl_numtcs_attrs - number of traffic classes
 *
 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
 *                               priority groups
 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
 *                                support priority flow control
 */
enum dcbnl_numtcs_attrs {
	DCB_NUMTCS_ATTR_UNDEFINED,
	DCB_NUMTCS_ATTR_ALL,
	DCB_NUMTCS_ATTR_PG,
	DCB_NUMTCS_ATTR_PFC,

	__DCB_NUMTCS_ATTR_ENUM_MAX,
	DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
};

enum dcbnl_bcn_attrs{
	DCB_BCN_ATTR_UNDEFINED = 0,

	DCB_BCN_ATTR_RP_0,
	DCB_BCN_ATTR_RP_1,
	DCB_BCN_ATTR_RP_2,
	DCB_BCN_ATTR_RP_3,
	DCB_BCN_ATTR_RP_4,
	DCB_BCN_ATTR_RP_5,
	DCB_BCN_ATTR_RP_6,
	DCB_BCN_ATTR_RP_7,
	DCB_BCN_ATTR_RP_ALL,

	DCB_BCN_ATTR_BCNA_0,
	DCB_BCN_ATTR_BCNA_1,
	DCB_BCN_ATTR_ALPHA,
	DCB_BCN_ATTR_BETA,
	DCB_BCN_ATTR_GD,
	DCB_BCN_ATTR_GI,
	DCB_BCN_ATTR_TMAX,
	DCB_BCN_ATTR_TD,
	DCB_BCN_ATTR_RMIN,
	DCB_BCN_ATTR_W,
	DCB_BCN_ATTR_RD,
	DCB_BCN_ATTR_RU,
	DCB_BCN_ATTR_WRTT,
	DCB_BCN_ATTR_RI,
	DCB_BCN_ATTR_C,
	DCB_BCN_ATTR_ALL,

	__DCB_BCN_ATTR_ENUM_MAX,
	DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
};

/**
 * enum dcb_general_attr_values - general DCB attribute values
 *
 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
 *
 */
enum dcb_general_attr_values {
	DCB_ATTR_VALUE_UNDEFINED = 0xff
};

#define DCB_APP_IDTYPE_ETHTYPE	0x00
#define DCB_APP_IDTYPE_PORTNUM	0x01
enum dcbnl_app_attrs {
	DCB_APP_ATTR_UNDEFINED,

	DCB_APP_ATTR_IDTYPE,
	DCB_APP_ATTR_ID,
	DCB_APP_ATTR_PRIORITY,

	__DCB_APP_ATTR_ENUM_MAX,
	DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
};

/**
 * enum dcbnl_featcfg_attrs - features conifiguration flags
 *
 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
 *                                 flow control
 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
 *
 */
#define DCB_FEATCFG_ERROR	0x01	/* error in feature resolution */
#define DCB_FEATCFG_ENABLE	0x02	/* enable feature */
#define DCB_FEATCFG_WILLING	0x04	/* feature is willing */
#define DCB_FEATCFG_ADVERTISE	0x08	/* advertise feature */
enum dcbnl_featcfg_attrs {
	DCB_FEATCFG_ATTR_UNDEFINED,
	DCB_FEATCFG_ATTR_ALL,
	DCB_FEATCFG_ATTR_PG,
	DCB_FEATCFG_ATTR_PFC,
	DCB_FEATCFG_ATTR_APP,

	__DCB_FEATCFG_ATTR_ENUM_MAX,
	DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
};

#endif /* __LINUX_DCBNL_H__ */
OpenPOWER on IntegriCloud