Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Copyright (c) 2008-2011, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
17 *
18 * Author: Lucy Liu <lucy.liu@intel.com>
19 */
20
21#ifndef __LINUX_DCBNL_H__
22#define __LINUX_DCBNL_H__
23
24#include <linux/types.h>
25
26/* IEEE 802.1Qaz std supported values */
27#define IEEE_8021QAZ_MAX_TCS 8
28
29#define IEEE_8021QAZ_TSA_STRICT 0
30#define IEEE_8021QAZ_TSA_CB_SHAPER 1
31#define IEEE_8021QAZ_TSA_ETS 2
32#define IEEE_8021QAZ_TSA_VENDOR 255
33
34/* This structure contains the IEEE 802.1Qaz ETS managed object
35 *
36 * @willing: willing bit in ETS configuration TLV
37 * @ets_cap: indicates supported capacity of ets feature
38 * @cbs: credit based shaper ets algorithm supported
39 * @tc_tx_bw: tc tx bandwidth indexed by traffic class
40 * @tc_rx_bw: tc rx bandwidth indexed by traffic class
41 * @tc_tsa: TSA Assignment table, indexed by traffic class
42 * @prio_tc: priority assignment table mapping 8021Qp to traffic class
43 * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
44 * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
45 * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
46 *
47 * Recommended values are used to set fields in the ETS recommendation TLV
48 * with hardware offloaded LLDP.
49 *
50 * ----
51 * TSA Assignment 8 bit identifiers
52 * 0 strict priority
53 * 1 credit-based shaper
54 * 2 enhanced transmission selection
55 * 3-254 reserved
56 * 255 vendor specific
57 */
58struct ieee_ets {
59 __u8 willing;
60 __u8 ets_cap;
61 __u8 cbs;
62 __u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
63 __u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
64 __u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
65 __u8 prio_tc[IEEE_8021QAZ_MAX_TCS];
66 __u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
67 __u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
68 __u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
69};
70
71/* This structure contains rate limit extension to the IEEE 802.1Qaz ETS
72 * managed object.
73 * Values are 64 bits long and specified in Kbps to enable usage over both
74 * slow and very fast networks.
75 *
76 * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
77 */
78struct ieee_maxrate {
79 __u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS];
80};
81
82enum dcbnl_cndd_states {
83 DCB_CNDD_RESET = 0,
84 DCB_CNDD_EDGE,
85 DCB_CNDD_INTERIOR,
86 DCB_CNDD_INTERIOR_READY,
87};
88
89/* This structure contains the IEEE 802.1Qau QCN managed object.
90 *
91 *@rpg_enable: enable QCN RP
92 *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port
93 *@rpg_time_reset: time between rate increases if no CNMs received.
94 * given in u-seconds
95 *@rpg_byte_reset: transmitted data between rate increases if no CNMs received.
96 * given in Bytes
97 *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count
98 * before RP rate control state machine advances states
99 *@rpg_max_rate: the maxinun rate, in Mbits per second,
100 * at which an RP can transmit
101 *@rpg_ai_rate: The rate, in Mbits per second,
102 * used to increase rpTargetRate in the RPR_ACTIVE_INCREASE
103 *@rpg_hai_rate: The rate, in Mbits per second,
104 * used to increase rpTargetRate in the RPR_HYPER_INCREASE state
105 *@rpg_gd: Upon CNM receive, flow rate is limited to (Fb/Gd)*CurrentRate.
106 * rpgGd is given as log2(Gd), where Gd may only be powers of 2
107 *@rpg_min_dec_fac: The minimum factor by which the current transmit rate
108 * can be changed by reception of a CNM.
109 * value is given as percentage (1-100)
110 *@rpg_min_rate: The minimum value, in bits per second, for rate to limit
111 *@cndd_state_machine: The state of the congestion notification domain
112 * defense state machine, as defined by IEEE 802.3Qau
113 * section 32.1.1. In the interior ready state,
114 * the QCN capable hardware may add CN-TAG TLV to the
115 * outgoing traffic, to specifically identify outgoing
116 * flows.
117 */
118
119struct ieee_qcn {
120 __u8 rpg_enable[IEEE_8021QAZ_MAX_TCS];
121 __u32 rppp_max_rps[IEEE_8021QAZ_MAX_TCS];
122 __u32 rpg_time_reset[IEEE_8021QAZ_MAX_TCS];
123 __u32 rpg_byte_reset[IEEE_8021QAZ_MAX_TCS];
124 __u32 rpg_threshold[IEEE_8021QAZ_MAX_TCS];
125 __u32 rpg_max_rate[IEEE_8021QAZ_MAX_TCS];
126 __u32 rpg_ai_rate[IEEE_8021QAZ_MAX_TCS];
127 __u32 rpg_hai_rate[IEEE_8021QAZ_MAX_TCS];
128 __u32 rpg_gd[IEEE_8021QAZ_MAX_TCS];
129 __u32 rpg_min_dec_fac[IEEE_8021QAZ_MAX_TCS];
130 __u32 rpg_min_rate[IEEE_8021QAZ_MAX_TCS];
131 __u32 cndd_state_machine[IEEE_8021QAZ_MAX_TCS];
132};
133
134/* This structure contains the IEEE 802.1Qau QCN statistics.
135 *
136 *@rppp_rp_centiseconds: the number of RP-centiseconds accumulated
137 * by RPs at this priority level on this Port
138 *@rppp_created_rps: number of active RPs(flows) that react to CNMs
139 */
140
141struct ieee_qcn_stats {
142 __u64 rppp_rp_centiseconds[IEEE_8021QAZ_MAX_TCS];
143 __u32 rppp_created_rps[IEEE_8021QAZ_MAX_TCS];
144};
145
146/* This structure contains the IEEE 802.1Qaz PFC managed object
147 *
148 * @pfc_cap: Indicates the number of traffic classes on the local device
149 * that may simultaneously have PFC enabled.
150 * @pfc_en: bitmap indicating pfc enabled traffic classes
151 * @mbc: enable macsec bypass capability
152 * @delay: the allowance made for a round-trip propagation delay of the
153 * link in bits.
154 * @requests: count of the sent pfc frames
155 * @indications: count of the received pfc frames
156 */
157struct ieee_pfc {
158 __u8 pfc_cap;
159 __u8 pfc_en;
160 __u8 mbc;
161 __u16 delay;
162 __u64 requests[IEEE_8021QAZ_MAX_TCS];
163 __u64 indications[IEEE_8021QAZ_MAX_TCS];
164};
165
166#define IEEE_8021Q_MAX_PRIORITIES 8
167#define DCBX_MAX_BUFFERS 8
168struct dcbnl_buffer {
169 /* priority to buffer mapping */
170 __u8 prio2buffer[IEEE_8021Q_MAX_PRIORITIES];
171 /* buffer size in Bytes */
172 __u32 buffer_size[DCBX_MAX_BUFFERS];
173 __u32 total_size;
174};
175
176/* CEE DCBX std supported values */
177#define CEE_DCBX_MAX_PGS 8
178#define CEE_DCBX_MAX_PRIO 8
179
180/**
181 * struct cee_pg - CEE Priority-Group managed object
182 *
183 * @willing: willing bit in the PG tlv
184 * @error: error bit in the PG tlv
185 * @pg_en: enable bit of the PG feature
186 * @tcs_supported: number of traffic classes supported
187 * @pg_bw: bandwidth percentage for each priority group
188 * @prio_pg: priority to PG mapping indexed by priority
189 */
190struct cee_pg {
191 __u8 willing;
192 __u8 error;
193 __u8 pg_en;
194 __u8 tcs_supported;
195 __u8 pg_bw[CEE_DCBX_MAX_PGS];
196 __u8 prio_pg[CEE_DCBX_MAX_PGS];
197};
198
199/**
200 * struct cee_pfc - CEE PFC managed object
201 *
202 * @willing: willing bit in the PFC tlv
203 * @error: error bit in the PFC tlv
204 * @pfc_en: bitmap indicating pfc enabled traffic classes
205 * @tcs_supported: number of traffic classes supported
206 */
207struct cee_pfc {
208 __u8 willing;
209 __u8 error;
210 __u8 pfc_en;
211 __u8 tcs_supported;
212};
213
214/* IEEE 802.1Qaz std supported values */
215#define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1
216#define IEEE_8021QAZ_APP_SEL_STREAM 2
217#define IEEE_8021QAZ_APP_SEL_DGRAM 3
218#define IEEE_8021QAZ_APP_SEL_ANY 4
219#define IEEE_8021QAZ_APP_SEL_DSCP 5
220
221/* Non-std selector values */
222#define DCB_APP_SEL_PCP 255
223
224/* This structure contains the IEEE 802.1Qaz APP managed object. This
225 * object is also used for the CEE std as well.
226 *
227 * @selector: protocol identifier type
228 * @protocol: protocol of type indicated
229 * @priority: 3-bit unsigned integer indicating priority for IEEE
230 * 8-bit 802.1p user priority bitmap for CEE
231 *
232 * ----
233 * Selector field values for IEEE 802.1Qaz
234 * 0 Reserved
235 * 1 Ethertype
236 * 2 Well known port number over TCP or SCTP
237 * 3 Well known port number over UDP or DCCP
238 * 4 Well known port number over TCP, SCTP, UDP, or DCCP
239 * 5 Differentiated Services Code Point (DSCP) value
240 * 6-7 Reserved
241 *
242 * Selector field values for CEE
243 * 0 Ethertype
244 * 1 Well known port number over TCP or UDP
245 * 2-3 Reserved
246 */
247struct dcb_app {
248 __u8 selector;
249 __u8 priority;
250 __u16 protocol;
251};
252
253#define IEEE_8021QAZ_APP_SEL_MAX 255
254
255/**
256 * struct dcb_peer_app_info - APP feature information sent by the peer
257 *
258 * @willing: willing bit in the peer APP tlv
259 * @error: error bit in the peer APP tlv
260 *
261 * In addition to this information the full peer APP tlv also contains
262 * a table of 'app_count' APP objects defined above.
263 */
264struct dcb_peer_app_info {
265 __u8 willing;
266 __u8 error;
267};
268
269struct dcbmsg {
270 __u8 dcb_family;
271 __u8 cmd;
272 __u16 dcb_pad;
273};
274
275/**
276 * enum dcbnl_commands - supported DCB commands
277 *
278 * @DCB_CMD_UNDEFINED: unspecified command to catch errors
279 * @DCB_CMD_GSTATE: request the state of DCB in the device
280 * @DCB_CMD_SSTATE: set the state of DCB in the device
281 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
282 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
283 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
284 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
285 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
286 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
287 * @DCB_CMD_SET_ALL: apply all changes to the underlying device
288 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
289 * device. Only useful when using bonding.
290 * @DCB_CMD_GCAP: request the DCB capabilities of the device
291 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
292 * @DCB_CMD_SNUMTCS: set the number of traffic classes
293 * @DCB_CMD_GBCN: set backward congestion notification configuration
294 * @DCB_CMD_SBCN: get backward congestion notification configuration.
295 * @DCB_CMD_GAPP: get application protocol configuration
296 * @DCB_CMD_SAPP: set application protocol configuration
297 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
298 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
299 * @DCB_CMD_GDCBX: get DCBX engine configuration
300 * @DCB_CMD_SDCBX: set DCBX engine configuration
301 * @DCB_CMD_GFEATCFG: get DCBX features flags
302 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
303 * @DCB_CMD_CEE_GET: get CEE aggregated configuration
304 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
305 */
306enum dcbnl_commands {
307 DCB_CMD_UNDEFINED,
308
309 DCB_CMD_GSTATE,
310 DCB_CMD_SSTATE,
311
312 DCB_CMD_PGTX_GCFG,
313 DCB_CMD_PGTX_SCFG,
314 DCB_CMD_PGRX_GCFG,
315 DCB_CMD_PGRX_SCFG,
316
317 DCB_CMD_PFC_GCFG,
318 DCB_CMD_PFC_SCFG,
319
320 DCB_CMD_SET_ALL,
321
322 DCB_CMD_GPERM_HWADDR,
323
324 DCB_CMD_GCAP,
325
326 DCB_CMD_GNUMTCS,
327 DCB_CMD_SNUMTCS,
328
329 DCB_CMD_PFC_GSTATE,
330 DCB_CMD_PFC_SSTATE,
331
332 DCB_CMD_BCN_GCFG,
333 DCB_CMD_BCN_SCFG,
334
335 DCB_CMD_GAPP,
336 DCB_CMD_SAPP,
337
338 DCB_CMD_IEEE_SET,
339 DCB_CMD_IEEE_GET,
340
341 DCB_CMD_GDCBX,
342 DCB_CMD_SDCBX,
343
344 DCB_CMD_GFEATCFG,
345 DCB_CMD_SFEATCFG,
346
347 DCB_CMD_CEE_GET,
348 DCB_CMD_IEEE_DEL,
349
350 __DCB_CMD_ENUM_MAX,
351 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
352};
353
354/**
355 * enum dcbnl_attrs - DCB top-level netlink attributes
356 *
357 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
358 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
359 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
360 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
361 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
362 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
363 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
364 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
365 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
366 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
367 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
368 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
369 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
370 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
371 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
372 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
373 */
374enum dcbnl_attrs {
375 DCB_ATTR_UNDEFINED,
376
377 DCB_ATTR_IFNAME,
378 DCB_ATTR_STATE,
379 DCB_ATTR_PFC_STATE,
380 DCB_ATTR_PFC_CFG,
381 DCB_ATTR_NUM_TC,
382 DCB_ATTR_PG_CFG,
383 DCB_ATTR_SET_ALL,
384 DCB_ATTR_PERM_HWADDR,
385 DCB_ATTR_CAP,
386 DCB_ATTR_NUMTCS,
387 DCB_ATTR_BCN,
388 DCB_ATTR_APP,
389
390 /* IEEE std attributes */
391 DCB_ATTR_IEEE,
392
393 DCB_ATTR_DCBX,
394 DCB_ATTR_FEATCFG,
395
396 /* CEE nested attributes */
397 DCB_ATTR_CEE,
398
399 __DCB_ATTR_ENUM_MAX,
400 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
401};
402
403/**
404 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
405 *
406 * @DCB_ATTR_IEEE_UNSPEC: unspecified
407 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
408 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
409 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
410 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
411 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
412 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
413 * @DCB_ATTR_DCB_APP_TRUST_TABLE: selector trust table
414 */
415enum ieee_attrs {
416 DCB_ATTR_IEEE_UNSPEC,
417 DCB_ATTR_IEEE_ETS,
418 DCB_ATTR_IEEE_PFC,
419 DCB_ATTR_IEEE_APP_TABLE,
420 DCB_ATTR_IEEE_PEER_ETS,
421 DCB_ATTR_IEEE_PEER_PFC,
422 DCB_ATTR_IEEE_PEER_APP,
423 DCB_ATTR_IEEE_MAXRATE,
424 DCB_ATTR_IEEE_QCN,
425 DCB_ATTR_IEEE_QCN_STATS,
426 DCB_ATTR_DCB_BUFFER,
427 DCB_ATTR_DCB_APP_TRUST_TABLE,
428 __DCB_ATTR_IEEE_MAX
429};
430#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
431
432enum ieee_attrs_app {
433 DCB_ATTR_IEEE_APP_UNSPEC,
434 DCB_ATTR_IEEE_APP,
435 DCB_ATTR_DCB_APP,
436 __DCB_ATTR_IEEE_APP_MAX
437};
438#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
439
440/**
441 * enum cee_attrs - CEE DCBX get attributes.
442 *
443 * @DCB_ATTR_CEE_UNSPEC: unspecified
444 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
445 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
446 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
447 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
448 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
449 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
450 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
451 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
452 *
453 * An aggregated collection of the cee std negotiated parameters.
454 */
455enum cee_attrs {
456 DCB_ATTR_CEE_UNSPEC,
457 DCB_ATTR_CEE_PEER_PG,
458 DCB_ATTR_CEE_PEER_PFC,
459 DCB_ATTR_CEE_PEER_APP_TABLE,
460 DCB_ATTR_CEE_TX_PG,
461 DCB_ATTR_CEE_RX_PG,
462 DCB_ATTR_CEE_PFC,
463 DCB_ATTR_CEE_APP_TABLE,
464 DCB_ATTR_CEE_FEAT,
465 __DCB_ATTR_CEE_MAX
466};
467#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
468
469enum peer_app_attr {
470 DCB_ATTR_CEE_PEER_APP_UNSPEC,
471 DCB_ATTR_CEE_PEER_APP_INFO,
472 DCB_ATTR_CEE_PEER_APP,
473 __DCB_ATTR_CEE_PEER_APP_MAX
474};
475#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
476
477enum cee_attrs_app {
478 DCB_ATTR_CEE_APP_UNSPEC,
479 DCB_ATTR_CEE_APP,
480 __DCB_ATTR_CEE_APP_MAX
481};
482#define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
483
484/**
485 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
486 *
487 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
488 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
489 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
490 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
491 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
492 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
493 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
494 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
495 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
496 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
497 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
498 *
499 */
500enum dcbnl_pfc_up_attrs {
501 DCB_PFC_UP_ATTR_UNDEFINED,
502
503 DCB_PFC_UP_ATTR_0,
504 DCB_PFC_UP_ATTR_1,
505 DCB_PFC_UP_ATTR_2,
506 DCB_PFC_UP_ATTR_3,
507 DCB_PFC_UP_ATTR_4,
508 DCB_PFC_UP_ATTR_5,
509 DCB_PFC_UP_ATTR_6,
510 DCB_PFC_UP_ATTR_7,
511 DCB_PFC_UP_ATTR_ALL,
512
513 __DCB_PFC_UP_ATTR_ENUM_MAX,
514 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
515};
516
517/**
518 * enum dcbnl_pg_attrs - DCB Priority Group attributes
519 *
520 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
521 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
522 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
523 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
524 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
525 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
526 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
527 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
528 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
529 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
530 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
531 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
532 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
533 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
534 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
535 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
536 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
537 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
538 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
539 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
540 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
541 *
542 */
543enum dcbnl_pg_attrs {
544 DCB_PG_ATTR_UNDEFINED,
545
546 DCB_PG_ATTR_TC_0,
547 DCB_PG_ATTR_TC_1,
548 DCB_PG_ATTR_TC_2,
549 DCB_PG_ATTR_TC_3,
550 DCB_PG_ATTR_TC_4,
551 DCB_PG_ATTR_TC_5,
552 DCB_PG_ATTR_TC_6,
553 DCB_PG_ATTR_TC_7,
554 DCB_PG_ATTR_TC_MAX,
555 DCB_PG_ATTR_TC_ALL,
556
557 DCB_PG_ATTR_BW_ID_0,
558 DCB_PG_ATTR_BW_ID_1,
559 DCB_PG_ATTR_BW_ID_2,
560 DCB_PG_ATTR_BW_ID_3,
561 DCB_PG_ATTR_BW_ID_4,
562 DCB_PG_ATTR_BW_ID_5,
563 DCB_PG_ATTR_BW_ID_6,
564 DCB_PG_ATTR_BW_ID_7,
565 DCB_PG_ATTR_BW_ID_MAX,
566 DCB_PG_ATTR_BW_ID_ALL,
567
568 __DCB_PG_ATTR_ENUM_MAX,
569 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
570};
571
572/**
573 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
574 *
575 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
576 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
577 * Valid values are: 0-7
578 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
579 * Some devices may not support changing the
580 * user priority map of a TC.
581 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
582 * 0 - none
583 * 1 - group strict
584 * 2 - link strict
585 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
586 * not configured to use link strict priority,
587 * this is the percentage of bandwidth of the
588 * priority group this traffic class belongs to
589 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
590 *
591 */
592enum dcbnl_tc_attrs {
593 DCB_TC_ATTR_PARAM_UNDEFINED,
594
595 DCB_TC_ATTR_PARAM_PGID,
596 DCB_TC_ATTR_PARAM_UP_MAPPING,
597 DCB_TC_ATTR_PARAM_STRICT_PRIO,
598 DCB_TC_ATTR_PARAM_BW_PCT,
599 DCB_TC_ATTR_PARAM_ALL,
600
601 __DCB_TC_ATTR_PARAM_ENUM_MAX,
602 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
603};
604
605/**
606 * enum dcbnl_cap_attrs - DCB Capability attributes
607 *
608 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
609 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
610 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
611 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
612 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
613 * traffic class mapping
614 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
615 * number of traffic classes the device
616 * can be configured to use for Priority Groups
617 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
618 * number of traffic classes the device can be
619 * configured to use for Priority Flow Control
620 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
621 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
622 * Notification
623 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
624 *
625 */
626enum dcbnl_cap_attrs {
627 DCB_CAP_ATTR_UNDEFINED,
628 DCB_CAP_ATTR_ALL,
629 DCB_CAP_ATTR_PG,
630 DCB_CAP_ATTR_PFC,
631 DCB_CAP_ATTR_UP2TC,
632 DCB_CAP_ATTR_PG_TCS,
633 DCB_CAP_ATTR_PFC_TCS,
634 DCB_CAP_ATTR_GSP,
635 DCB_CAP_ATTR_BCN,
636 DCB_CAP_ATTR_DCBX,
637
638 __DCB_CAP_ATTR_ENUM_MAX,
639 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
640};
641
642/**
643 * DCBX capability flags
644 *
645 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
646 * 'set' routines are used to configure the device with
647 * the negotiated parameters
648 *
649 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
650 * by another entity
651 * 'get' routines are used to retrieve the
652 * negotiated parameters
653 * 'set' routines can be used to set the initial
654 * negotiation configuration
655 *
656 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
657 * supports the CEE protocol flavor
658 *
659 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
660 * supports the IEEE protocol flavor
661 *
662 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
663 * supports static configuration (i.e no actual
664 * negotiation is performed negotiated parameters equal
665 * the initial configuration)
666 *
667 */
668#define DCB_CAP_DCBX_HOST 0x01
669#define DCB_CAP_DCBX_LLD_MANAGED 0x02
670#define DCB_CAP_DCBX_VER_CEE 0x04
671#define DCB_CAP_DCBX_VER_IEEE 0x08
672#define DCB_CAP_DCBX_STATIC 0x10
673
674/**
675 * enum dcbnl_numtcs_attrs - number of traffic classes
676 *
677 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
678 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
679 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
680 * priority groups
681 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
682 * support priority flow control
683 */
684enum dcbnl_numtcs_attrs {
685 DCB_NUMTCS_ATTR_UNDEFINED,
686 DCB_NUMTCS_ATTR_ALL,
687 DCB_NUMTCS_ATTR_PG,
688 DCB_NUMTCS_ATTR_PFC,
689
690 __DCB_NUMTCS_ATTR_ENUM_MAX,
691 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
692};
693
694enum dcbnl_bcn_attrs{
695 DCB_BCN_ATTR_UNDEFINED = 0,
696
697 DCB_BCN_ATTR_RP_0,
698 DCB_BCN_ATTR_RP_1,
699 DCB_BCN_ATTR_RP_2,
700 DCB_BCN_ATTR_RP_3,
701 DCB_BCN_ATTR_RP_4,
702 DCB_BCN_ATTR_RP_5,
703 DCB_BCN_ATTR_RP_6,
704 DCB_BCN_ATTR_RP_7,
705 DCB_BCN_ATTR_RP_ALL,
706
707 DCB_BCN_ATTR_BCNA_0,
708 DCB_BCN_ATTR_BCNA_1,
709 DCB_BCN_ATTR_ALPHA,
710 DCB_BCN_ATTR_BETA,
711 DCB_BCN_ATTR_GD,
712 DCB_BCN_ATTR_GI,
713 DCB_BCN_ATTR_TMAX,
714 DCB_BCN_ATTR_TD,
715 DCB_BCN_ATTR_RMIN,
716 DCB_BCN_ATTR_W,
717 DCB_BCN_ATTR_RD,
718 DCB_BCN_ATTR_RU,
719 DCB_BCN_ATTR_WRTT,
720 DCB_BCN_ATTR_RI,
721 DCB_BCN_ATTR_C,
722 DCB_BCN_ATTR_ALL,
723
724 __DCB_BCN_ATTR_ENUM_MAX,
725 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
726};
727
728/**
729 * enum dcb_general_attr_values - general DCB attribute values
730 *
731 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
732 *
733 */
734enum dcb_general_attr_values {
735 DCB_ATTR_VALUE_UNDEFINED = 0xff
736};
737
738#define DCB_APP_IDTYPE_ETHTYPE 0x00
739#define DCB_APP_IDTYPE_PORTNUM 0x01
740enum dcbnl_app_attrs {
741 DCB_APP_ATTR_UNDEFINED,
742
743 DCB_APP_ATTR_IDTYPE,
744 DCB_APP_ATTR_ID,
745 DCB_APP_ATTR_PRIORITY,
746
747 __DCB_APP_ATTR_ENUM_MAX,
748 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
749};
750
751/**
752 * enum dcbnl_featcfg_attrs - features conifiguration flags
753 *
754 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
755 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
756 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
757 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
758 * flow control
759 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
760 *
761 */
762#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */
763#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */
764#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */
765#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */
766enum dcbnl_featcfg_attrs {
767 DCB_FEATCFG_ATTR_UNDEFINED,
768 DCB_FEATCFG_ATTR_ALL,
769 DCB_FEATCFG_ATTR_PG,
770 DCB_FEATCFG_ATTR_PFC,
771 DCB_FEATCFG_ATTR_APP,
772
773 __DCB_FEATCFG_ATTR_ENUM_MAX,
774 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
775};
776
777#endif /* __LINUX_DCBNL_H__ */