---

---

---

001: /*
002:  * Copyright (c) 2008-2011, Intel Corporation.
003:  *
004:  * This program is free software; you can redistribute it and/or modify it
005:  * under the terms and conditions of the GNU General Public License,
006:  * version 2, as published by the Free Software Foundation.
007:  *
008:  * This program is distributed in the hope it will be useful, but WITHOUT
009:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
010:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
011:  * more details.
012:  *
013:  * You should have received a copy of the GNU General Public License along with
014:  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
015:  * Place - Suite 330, Boston, MA 02111-1307 USA.
016:  *
017:  * Author: Lucy Liu <lucy.liu@intel.com>
018:  */
019: 
020: #ifndef __LINUX_DCBNL_H__
021: #define __LINUX_DCBNL_H__
022: 
023: #include <linux/types.h>
024: 
025: /* IEEE 802.1Qaz std supported values */
026: #define IEEE_8021QAZ_MAX_TCS    8
027: 
028: #define IEEE_8021QAZ_TSA_STRICT         0
029: #define IEEE_8021QAZ_TSA_CB_SHAPER      1
030: #define IEEE_8021QAZ_TSA_ETS            2
031: #define IEEE_8021QAZ_TSA_VENDOR         255
032: 
033: /* This structure contains the IEEE 802.1Qaz ETS managed object
034:  *
035:  * @willing: willing bit in ETS configuration TLV
036:  * @ets_cap: indicates supported capacity of ets feature
037:  * @cbs: credit based shaper ets algorithm supported
038:  * @tc_tx_bw: tc tx bandwidth indexed by traffic class
039:  * @tc_rx_bw: tc rx bandwidth indexed by traffic class
040:  * @tc_tsa: TSA Assignment table, indexed by traffic class
041:  * @prio_tc: priority assignment table mapping 8021Qp to traffic class
042:  * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
043:  * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
044:  * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
045:  *
046:  * Recommended values are used to set fields in the ETS recommendation TLV
047:  * with hardware offloaded LLDP.
048:  *
049:  * ----
050:  *  TSA Assignment 8 bit identifiers
051:  *      0       strict priority
052:  *      1       credit-based shaper
053:  *      2       enhanced transmission selection
054:  *      3-254   reserved
055:  *      255     vendor specific
056:  */
057: struct ieee_ets {
058:         __u8    willing;
059:         __u8    ets_cap;
060:         __u8    cbs;
061:         __u8    tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
062:         __u8    tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
063:         __u8    tc_tsa[IEEE_8021QAZ_MAX_TCS];
064:         __u8    prio_tc[IEEE_8021QAZ_MAX_TCS];
065:         __u8    tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
066:         __u8    tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
067:         __u8    reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
068: };
069: 
070: /* This structure contains the IEEE 802.1Qaz PFC managed object
071:  *
072:  * @pfc_cap: Indicates the number of traffic classes on the local device
073:  *           that may simultaneously have PFC enabled.
074:  * @pfc_en: bitmap indicating pfc enabled traffic classes
075:  * @mbc: enable macsec bypass capability
076:  * @delay: the allowance made for a round-trip propagation delay of the
077:  *         link in bits.
078:  * @requests: count of the sent pfc frames
079:  * @indications: count of the received pfc frames
080:  */
081: struct ieee_pfc {
082:         __u8    pfc_cap;
083:         __u8    pfc_en;
084:         __u8    mbc;
085:         __u16   delay;
086:         __u64   requests[IEEE_8021QAZ_MAX_TCS];
087:         __u64   indications[IEEE_8021QAZ_MAX_TCS];
088: };
089: 
090: /* CEE DCBX std supported values */
091: #define CEE_DCBX_MAX_PGS        8
092: #define CEE_DCBX_MAX_PRIO       8
093: 
094: /**
095:  * struct cee_pg - CEE Priority-Group managed object
096:  *
097:  * @willing: willing bit in the PG tlv
098:  * @error: error bit in the PG tlv
099:  * @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:  */
104: struct 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:  */
121: struct cee_pfc {
122:         __u8    willing;
123:         __u8    error;
124:         __u8    pfc_en;
125:         __u8    tcs_supported;
126: };
127: 
128: /* IEEE 802.1Qaz std supported values */
129: #define IEEE_8021QAZ_APP_SEL_ETHERTYPE  1
130: #define IEEE_8021QAZ_APP_SEL_STREAM     2
131: #define IEEE_8021QAZ_APP_SEL_DGRAM      3
132: #define IEEE_8021QAZ_APP_SEL_ANY        4
133: 
134: /* This structure contains the IEEE 802.1Qaz APP managed object. This
135:  * object is also used for the CEE std as well. There is no difference
136:  * between the objects.
137:  *
138:  * @selector: protocol identifier type
139:  * @protocol: protocol of type indicated
140:  * @priority: 3-bit unsigned integer indicating priority
141:  *
142:  * ----
143:  *  Selector field values
144:  *      0       Reserved
145:  *      1       Ethertype
146:  *      2       Well known port number over TCP or SCTP
147:  *      3       Well known port number over UDP or DCCP
148:  *      4       Well known port number over TCP, SCTP, UDP, or DCCP
149:  *      5-7     Reserved
150:  */
151: struct dcb_app {
152:         __u8    selector;
153:         __u8    priority;
154:         __u16   protocol;
155: };
156: 
157: /**
158:  * struct dcb_peer_app_info - APP feature information sent by the peer
159:  *
160:  * @willing: willing bit in the peer APP tlv
161:  * @error: error bit in the peer APP tlv
162:  *
163:  * In addition to this information the full peer APP tlv also contains
164:  * a table of 'app_count' APP objects defined above.
165:  */
166: struct dcb_peer_app_info {
167:         __u8    willing;
168:         __u8    error;
169: };
170: 
171: struct dcbmsg {
172:         __u8               dcb_family;
173:         __u8               cmd;
174:         __u16              dcb_pad;
175: };
176: 
177: /**
178:  * enum dcbnl_commands - supported DCB commands
179:  *
180:  * @DCB_CMD_UNDEFINED: unspecified command to catch errors
181:  * @DCB_CMD_GSTATE: request the state of DCB in the device
182:  * @DCB_CMD_SSTATE: set the state of DCB in the device
183:  * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
184:  * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
185:  * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
186:  * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
187:  * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
188:  * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
189:  * @DCB_CMD_SET_ALL: apply all changes to the underlying device
190:  * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
191:  *                        device.  Only useful when using bonding.
192:  * @DCB_CMD_GCAP: request the DCB capabilities of the device
193:  * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
194:  * @DCB_CMD_SNUMTCS: set the number of traffic classes
195:  * @DCB_CMD_GBCN: set backward congestion notification configuration
196:  * @DCB_CMD_SBCN: get backward congestion notification configration.
197:  * @DCB_CMD_GAPP: get application protocol configuration
198:  * @DCB_CMD_SAPP: set application protocol configuration
199:  * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
200:  * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
201:  * @DCB_CMD_GDCBX: get DCBX engine configuration
202:  * @DCB_CMD_SDCBX: set DCBX engine configuration
203:  * @DCB_CMD_GFEATCFG: get DCBX features flags
204:  * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
205:  * @DCB_CMD_CEE_GET: get CEE aggregated configuration
206:  * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
207:  */
208: enum dcbnl_commands {
209:         DCB_CMD_UNDEFINED,
210: 
211:         DCB_CMD_GSTATE,
212:         DCB_CMD_SSTATE,
213: 
214:         DCB_CMD_PGTX_GCFG,
215:         DCB_CMD_PGTX_SCFG,
216:         DCB_CMD_PGRX_GCFG,
217:         DCB_CMD_PGRX_SCFG,
218: 
219:         DCB_CMD_PFC_GCFG,
220:         DCB_CMD_PFC_SCFG,
221: 
222:         DCB_CMD_SET_ALL,
223: 
224:         DCB_CMD_GPERM_HWADDR,
225: 
226:         DCB_CMD_GCAP,
227: 
228:         DCB_CMD_GNUMTCS,
229:         DCB_CMD_SNUMTCS,
230: 
231:         DCB_CMD_PFC_GSTATE,
232:         DCB_CMD_PFC_SSTATE,
233: 
234:         DCB_CMD_BCN_GCFG,
235:         DCB_CMD_BCN_SCFG,
236: 
237:         DCB_CMD_GAPP,
238:         DCB_CMD_SAPP,
239: 
240:         DCB_CMD_IEEE_SET,
241:         DCB_CMD_IEEE_GET,
242: 
243:         DCB_CMD_GDCBX,
244:         DCB_CMD_SDCBX,
245: 
246:         DCB_CMD_GFEATCFG,
247:         DCB_CMD_SFEATCFG,
248: 
249:         DCB_CMD_CEE_GET,
250:         DCB_CMD_IEEE_DEL,
251: 
252:         __DCB_CMD_ENUM_MAX,
253:         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
254: };
255: 
256: /**
257:  * enum dcbnl_attrs - DCB top-level netlink attributes
258:  *
259:  * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
260:  * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
261:  * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
262:  * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
263:  * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
264:  * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
265:  * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
266:  * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
267:  * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
268:  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
269:  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
270:  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
271:  * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
272:  * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
273:  * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
274:  * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
275:  */
276: enum dcbnl_attrs {
277:         DCB_ATTR_UNDEFINED,
278: 
279:         DCB_ATTR_IFNAME,
280:         DCB_ATTR_STATE,
281:         DCB_ATTR_PFC_STATE,
282:         DCB_ATTR_PFC_CFG,
283:         DCB_ATTR_NUM_TC,
284:         DCB_ATTR_PG_CFG,
285:         DCB_ATTR_SET_ALL,
286:         DCB_ATTR_PERM_HWADDR,
287:         DCB_ATTR_CAP,
288:         DCB_ATTR_NUMTCS,
289:         DCB_ATTR_BCN,
290:         DCB_ATTR_APP,
291: 
292:         /* IEEE std attributes */
293:         DCB_ATTR_IEEE,
294: 
295:         DCB_ATTR_DCBX,
296:         DCB_ATTR_FEATCFG,
297: 
298:         /* CEE nested attributes */
299:         DCB_ATTR_CEE,
300: 
301:         __DCB_ATTR_ENUM_MAX,
302:         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
303: };
304: 
305: /**
306:  * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
307:  *
308:  * @DCB_ATTR_IEEE_UNSPEC: unspecified
309:  * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
310:  * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
311:  * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
312:  * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
313:  * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
314:  * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
315:  */
316: enum ieee_attrs {
317:         DCB_ATTR_IEEE_UNSPEC,
318:         DCB_ATTR_IEEE_ETS,
319:         DCB_ATTR_IEEE_PFC,
320:         DCB_ATTR_IEEE_APP_TABLE,
321:         DCB_ATTR_IEEE_PEER_ETS,
322:         DCB_ATTR_IEEE_PEER_PFC,
323:         DCB_ATTR_IEEE_PEER_APP,
324:         __DCB_ATTR_IEEE_MAX
325: };
326: #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
327: 
328: enum ieee_attrs_app {
329:         DCB_ATTR_IEEE_APP_UNSPEC,
330:         DCB_ATTR_IEEE_APP,
331:         __DCB_ATTR_IEEE_APP_MAX
332: };
333: #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
334: 
335: /**
336:  * enum cee_attrs - CEE DCBX get attributes.
337:  *
338:  * @DCB_ATTR_CEE_UNSPEC: unspecified
339:  * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
340:  * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
341:  * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
342:  * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
343:  * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
344:  * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
345:  * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
346:  * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
347:  *
348:  * An aggregated collection of the cee std negotiated parameters.
349:  */
350: enum cee_attrs {
351:         DCB_ATTR_CEE_UNSPEC,
352:         DCB_ATTR_CEE_PEER_PG,
353:         DCB_ATTR_CEE_PEER_PFC,
354:         DCB_ATTR_CEE_PEER_APP_TABLE,
355:         DCB_ATTR_CEE_TX_PG,
356:         DCB_ATTR_CEE_RX_PG,
357:         DCB_ATTR_CEE_PFC,
358:         DCB_ATTR_CEE_APP_TABLE,
359:         DCB_ATTR_CEE_FEAT,
360:         __DCB_ATTR_CEE_MAX
361: };
362: #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
363: 
364: enum peer_app_attr {
365:         DCB_ATTR_CEE_PEER_APP_UNSPEC,
366:         DCB_ATTR_CEE_PEER_APP_INFO,
367:         DCB_ATTR_CEE_PEER_APP,
368:         __DCB_ATTR_CEE_PEER_APP_MAX
369: };
370: #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
371: 
372: enum cee_attrs_app {
373:         DCB_ATTR_CEE_APP_UNSPEC,
374:         DCB_ATTR_CEE_APP,
375:         __DCB_ATTR_CEE_APP_MAX
376: };
377: #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
378: 
379: /**
380:  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
381:  *
382:  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
383:  * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
384:  * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
385:  * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
386:  * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
387:  * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
388:  * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
389:  * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
390:  * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
391:  * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
392:  * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
393:  *
394:  */
395: enum dcbnl_pfc_up_attrs {
396:         DCB_PFC_UP_ATTR_UNDEFINED,
397: 
398:         DCB_PFC_UP_ATTR_0,
399:         DCB_PFC_UP_ATTR_1,
400:         DCB_PFC_UP_ATTR_2,
401:         DCB_PFC_UP_ATTR_3,
402:         DCB_PFC_UP_ATTR_4,
403:         DCB_PFC_UP_ATTR_5,
404:         DCB_PFC_UP_ATTR_6,
405:         DCB_PFC_UP_ATTR_7,
406:         DCB_PFC_UP_ATTR_ALL,
407: 
408:         __DCB_PFC_UP_ATTR_ENUM_MAX,
409:         DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
410: };
411: 
412: /**
413:  * enum dcbnl_pg_attrs - DCB Priority Group attributes
414:  *
415:  * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
416:  * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
417:  * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
418:  * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
419:  * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
420:  * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
421:  * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
422:  * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
423:  * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
424:  * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
425:  * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
426:  * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
427:  * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
428:  * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
429:  * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
430:  * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
431:  * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
432:  * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
433:  * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
434:  * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
435:  * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
436:  *
437:  */
438: enum dcbnl_pg_attrs {
439:         DCB_PG_ATTR_UNDEFINED,
440: 
441:         DCB_PG_ATTR_TC_0,
442:         DCB_PG_ATTR_TC_1,
443:         DCB_PG_ATTR_TC_2,
444:         DCB_PG_ATTR_TC_3,
445:         DCB_PG_ATTR_TC_4,
446:         DCB_PG_ATTR_TC_5,
447:         DCB_PG_ATTR_TC_6,
448:         DCB_PG_ATTR_TC_7,
449:         DCB_PG_ATTR_TC_MAX,
450:         DCB_PG_ATTR_TC_ALL,
451: 
452:         DCB_PG_ATTR_BW_ID_0,
453:         DCB_PG_ATTR_BW_ID_1,
454:         DCB_PG_ATTR_BW_ID_2,
455:         DCB_PG_ATTR_BW_ID_3,
456:         DCB_PG_ATTR_BW_ID_4,
457:         DCB_PG_ATTR_BW_ID_5,
458:         DCB_PG_ATTR_BW_ID_6,
459:         DCB_PG_ATTR_BW_ID_7,
460:         DCB_PG_ATTR_BW_ID_MAX,
461:         DCB_PG_ATTR_BW_ID_ALL,
462: 
463:         __DCB_PG_ATTR_ENUM_MAX,
464:         DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
465: };
466: 
467: /**
468:  * enum dcbnl_tc_attrs - DCB Traffic Class attributes
469:  *
470:  * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
471:  * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
472:  *                          Valid values are:  0-7
473:  * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
474:  *                                Some devices may not support changing the
475:  *                                user priority map of a TC.
476:  * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
477:  *                                 0 - none
478:  *                                 1 - group strict
479:  *                                 2 - link strict
480:  * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
481:  *                            not configured to use link strict priority,
482:  *                            this is the percentage of bandwidth of the
483:  *                            priority group this traffic class belongs to
484:  * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
485:  *
486:  */
487: enum dcbnl_tc_attrs {
488:         DCB_TC_ATTR_PARAM_UNDEFINED,
489: 
490:         DCB_TC_ATTR_PARAM_PGID,
491:         DCB_TC_ATTR_PARAM_UP_MAPPING,
492:         DCB_TC_ATTR_PARAM_STRICT_PRIO,
493:         DCB_TC_ATTR_PARAM_BW_PCT,
494:         DCB_TC_ATTR_PARAM_ALL,
495: 
496:         __DCB_TC_ATTR_PARAM_ENUM_MAX,
497:         DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
498: };
499: 
500: /**
501:  * enum dcbnl_cap_attrs - DCB Capability attributes
502:  *
503:  * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
504:  * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
505:  * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
506:  * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
507:  * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
508:  *                               traffic class mapping
509:  * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
510:  *                                number of traffic classes the device
511:  *                                can be configured to use for Priority Groups
512:  * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
513:  *                                 number of traffic classes the device can be
514:  *                                 configured to use for Priority Flow Control
515:  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
516:  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
517:  *                             Notification
518:  * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
519:  *
520:  */
521: enum dcbnl_cap_attrs {
522:         DCB_CAP_ATTR_UNDEFINED,
523:         DCB_CAP_ATTR_ALL,
524:         DCB_CAP_ATTR_PG,
525:         DCB_CAP_ATTR_PFC,
526:         DCB_CAP_ATTR_UP2TC,
527:         DCB_CAP_ATTR_PG_TCS,
528:         DCB_CAP_ATTR_PFC_TCS,
529:         DCB_CAP_ATTR_GSP,
530:         DCB_CAP_ATTR_BCN,
531:         DCB_CAP_ATTR_DCBX,
532: 
533:         __DCB_CAP_ATTR_ENUM_MAX,
534:         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
535: };
536: 
537: /**
538:  * DCBX capability flags
539:  *
540:  * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
541:  *                     'set' routines are used to configure the device with
542:  *                     the negotiated parameters
543:  *
544:  * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
545:  *                            by another entity
546:  *                            'get' routines are used to retrieve the
547:  *                            negotiated parameters
548:  *                            'set' routines can be used to set the initial
549:  *                            negotiation configuration
550:  *
551:  * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
552:  *                        supports the CEE protocol flavor
553:  *
554:  * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
555:  *                         supports the IEEE protocol flavor
556:  *
557:  * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
558:  *                       supports static configuration (i.e no actual
559:  *                       negotiation is performed negotiated parameters equal
560:  *                       the initial configuration)
561:  *
562:  */
563: #define DCB_CAP_DCBX_HOST               0x01
564: #define DCB_CAP_DCBX_LLD_MANAGED        0x02
565: #define DCB_CAP_DCBX_VER_CEE            0x04
566: #define DCB_CAP_DCBX_VER_IEEE           0x08
567: #define DCB_CAP_DCBX_STATIC             0x10
568: 
569: /**
570:  * enum dcbnl_numtcs_attrs - number of traffic classes
571:  *
572:  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
573:  * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
574:  * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
575:  *                               priority groups
576:  * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
577:  *                                support priority flow control
578:  */
579: enum dcbnl_numtcs_attrs {
580:         DCB_NUMTCS_ATTR_UNDEFINED,
581:         DCB_NUMTCS_ATTR_ALL,
582:         DCB_NUMTCS_ATTR_PG,
583:         DCB_NUMTCS_ATTR_PFC,
584: 
585:         __DCB_NUMTCS_ATTR_ENUM_MAX,
586:         DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
587: };
588: 
589: enum dcbnl_bcn_attrs{
590:         DCB_BCN_ATTR_UNDEFINED = 0,
591: 
592:         DCB_BCN_ATTR_RP_0,
593:         DCB_BCN_ATTR_RP_1,
594:         DCB_BCN_ATTR_RP_2,
595:         DCB_BCN_ATTR_RP_3,
596:         DCB_BCN_ATTR_RP_4,
597:         DCB_BCN_ATTR_RP_5,
598:         DCB_BCN_ATTR_RP_6,
599:         DCB_BCN_ATTR_RP_7,
600:         DCB_BCN_ATTR_RP_ALL,
601: 
602:         DCB_BCN_ATTR_BCNA_0,
603:         DCB_BCN_ATTR_BCNA_1,
604:         DCB_BCN_ATTR_ALPHA,
605:         DCB_BCN_ATTR_BETA,
606:         DCB_BCN_ATTR_GD,
607:         DCB_BCN_ATTR_GI,
608:         DCB_BCN_ATTR_TMAX,
609:         DCB_BCN_ATTR_TD,
610:         DCB_BCN_ATTR_RMIN,
611:         DCB_BCN_ATTR_W,
612:         DCB_BCN_ATTR_RD,
613:         DCB_BCN_ATTR_RU,
614:         DCB_BCN_ATTR_WRTT,
615:         DCB_BCN_ATTR_RI,
616:         DCB_BCN_ATTR_C,
617:         DCB_BCN_ATTR_ALL,
618: 
619:         __DCB_BCN_ATTR_ENUM_MAX,
620:         DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
621: };
622: 
623: /**
624:  * enum dcb_general_attr_values - general DCB attribute values
625:  *
626:  * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
627:  *
628:  */
629: enum dcb_general_attr_values {
630:         DCB_ATTR_VALUE_UNDEFINED = 0xff
631: };
632: 
633: #define DCB_APP_IDTYPE_ETHTYPE  0x00
634: #define DCB_APP_IDTYPE_PORTNUM  0x01
635: enum dcbnl_app_attrs {
636:         DCB_APP_ATTR_UNDEFINED,
637: 
638:         DCB_APP_ATTR_IDTYPE,
639:         DCB_APP_ATTR_ID,
640:         DCB_APP_ATTR_PRIORITY,
641: 
642:         __DCB_APP_ATTR_ENUM_MAX,
643:         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
644: };
645: 
646: /**
647:  * enum dcbnl_featcfg_attrs - features conifiguration flags
648:  *
649:  * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
650:  * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
651:  * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
652:  * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
653:  *                                 flow control
654:  * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
655:  *
656:  */
657: #define DCB_FEATCFG_ERROR       0x01    /* error in feature resolution */
658: #define DCB_FEATCFG_ENABLE      0x02    /* enable feature */
659: #define DCB_FEATCFG_WILLING     0x04    /* feature is willing */
660: #define DCB_FEATCFG_ADVERTISE   0x08    /* advertise feature */
661: enum dcbnl_featcfg_attrs {
662:         DCB_FEATCFG_ATTR_UNDEFINED,
663:         DCB_FEATCFG_ATTR_ALL,
664:         DCB_FEATCFG_ATTR_PG,
665:         DCB_FEATCFG_ATTR_PFC,
666:         DCB_FEATCFG_ATTR_APP,
667: 
668:         __DCB_FEATCFG_ATTR_ENUM_MAX,
669:         DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
670: };
671: 
672: #endif /* __LINUX_DCBNL_H__ */
673: 

---

---

---