2 * Copyright (c) 2008-2011, Intel Corporation.
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.
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
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.
17 * Author: Lucy Liu <lucy.liu@intel.com>
20 #ifndef __LINUX_DCBNL_H__
21 #define __LINUX_DCBNL_H__
23 #include <linux/types.h>
25 /* IEEE 802.1Qaz std supported values */
26 #define IEEE_8021QAZ_MAX_TCS 8
28 #define IEEE_8021QAZ_TSA_STRICT 0
29 #define IEEE_8021QAZ_TSA_CB_SHAPER 1
30 #define IEEE_8021QAZ_TSA_ETS 2
31 #define IEEE_8021QAZ_TSA_VENDOR 255
33 /* This structure contains the IEEE 802.1Qaz ETS managed object
35 * @willing: willing bit in ETS configuration TLV
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
46 * Recommended values are used to set fields in the ETS recommendation TLV
47 * with hardware offloaded LLDP.
50 * TSA Assignment 8 bit identifiers
52 * 1 credit-based shaper
53 * 2 enhanced transmission selection
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];
70 /* This structure contains rate limit extension to the IEEE 802.1Qaz ETS
72 * Values are 64 bits long and specified in Kbps to enable usage over both
73 * slow and very fast networks.
75 * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
78 __u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS];
81 enum dcbnl_cndd_states {
85 DCB_CNDD_INTERIOR_READY,
88 /* This structure contains the IEEE 802.1Qau QCN managed object.
90 *@rpg_enable: enable QCN RP
91 *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port
92 *@rpg_time_reset: time between rate increases if no CNMs received.
94 *@rpg_byte_reset: transmitted data between rate increases if no CNMs received.
96 *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count
97 * before RP rate control state machine advances states
98 *@rpg_max_rate: the maxinun rate, in Mbits per second,
99 * at which an RP can transmit
100 *@rpg_ai_rate: The rate, in Mbits per second,
101 * used to increase rpTargetRate in the RPR_ACTIVE_INCREASE
102 *@rpg_hai_rate: The rate, in Mbits per second,
103 * used to increase rpTargetRate in the RPR_HYPER_INCREASE state
104 *@rpg_gd: Upon CNM receive, flow rate is limited to (Fb/Gd)*CurrentRate.
105 * rpgGd is given as log2(Gd), where Gd may only be powers of 2
106 *@rpg_min_dec_fac: The minimum factor by which the current transmit rate
107 * can be changed by reception of a CNM.
108 * value is given as percentage (1-100)
109 *@rpg_min_rate: The minimum value, in bits per second, for rate to limit
110 *@cndd_state_machine: The state of the congestion notification domain
111 * defense state machine, as defined by IEEE 802.3Qau
112 * section 32.1.1. In the interior ready state,
113 * the QCN capable hardware may add CN-TAG TLV to the
114 * outgoing traffic, to specifically identify outgoing
119 __u8 rpg_enable[IEEE_8021QAZ_MAX_TCS];
120 __u32 rppp_max_rps[IEEE_8021QAZ_MAX_TCS];
121 __u32 rpg_time_reset[IEEE_8021QAZ_MAX_TCS];
122 __u32 rpg_byte_reset[IEEE_8021QAZ_MAX_TCS];
123 __u32 rpg_threshold[IEEE_8021QAZ_MAX_TCS];
124 __u32 rpg_max_rate[IEEE_8021QAZ_MAX_TCS];
125 __u32 rpg_ai_rate[IEEE_8021QAZ_MAX_TCS];
126 __u32 rpg_hai_rate[IEEE_8021QAZ_MAX_TCS];
127 __u32 rpg_gd[IEEE_8021QAZ_MAX_TCS];
128 __u32 rpg_min_dec_fac[IEEE_8021QAZ_MAX_TCS];
129 __u32 rpg_min_rate[IEEE_8021QAZ_MAX_TCS];
130 __u32 cndd_state_machine[IEEE_8021QAZ_MAX_TCS];
133 /* This structure contains the IEEE 802.1Qau QCN statistics.
135 *@rppp_rp_centiseconds: the number of RP-centiseconds accumulated
136 * by RPs at this priority level on this Port
137 *@rppp_created_rps: number of active RPs(flows) that react to CNMs
140 struct ieee_qcn_stats {
141 __u64 rppp_rp_centiseconds[IEEE_8021QAZ_MAX_TCS];
142 __u32 rppp_created_rps[IEEE_8021QAZ_MAX_TCS];
145 /* This structure contains the IEEE 802.1Qaz PFC managed object
147 * @pfc_cap: Indicates the number of traffic classes on the local device
148 * that may simultaneously have PFC enabled.
149 * @pfc_en: bitmap indicating pfc enabled traffic classes
150 * @mbc: enable macsec bypass capability
151 * @delay: the allowance made for a round-trip propagation delay of the
153 * @requests: count of the sent pfc frames
154 * @indications: count of the received pfc frames
161 __u64 requests[IEEE_8021QAZ_MAX_TCS];
162 __u64 indications[IEEE_8021QAZ_MAX_TCS];
165 /* CEE DCBX std supported values */
166 #define CEE_DCBX_MAX_PGS 8
167 #define CEE_DCBX_MAX_PRIO 8
170 * struct cee_pg - CEE Priority-Group managed object
172 * @willing: willing bit in the PG tlv
173 * @error: error bit in the PG tlv
174 * @pg_en: enable bit of the PG feature
175 * @tcs_supported: number of traffic classes supported
176 * @pg_bw: bandwidth percentage for each priority group
177 * @prio_pg: priority to PG mapping indexed by priority
184 __u8 pg_bw[CEE_DCBX_MAX_PGS];
185 __u8 prio_pg[CEE_DCBX_MAX_PGS];
189 * struct cee_pfc - CEE PFC managed object
191 * @willing: willing bit in the PFC tlv
192 * @error: error bit in the PFC tlv
193 * @pfc_en: bitmap indicating pfc enabled traffic classes
194 * @tcs_supported: number of traffic classes supported
203 /* IEEE 802.1Qaz std supported values */
204 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1
205 #define IEEE_8021QAZ_APP_SEL_STREAM 2
206 #define IEEE_8021QAZ_APP_SEL_DGRAM 3
207 #define IEEE_8021QAZ_APP_SEL_ANY 4
209 /* This structure contains the IEEE 802.1Qaz APP managed object. This
210 * object is also used for the CEE std as well. There is no difference
211 * between the objects.
213 * @selector: protocol identifier type
214 * @protocol: protocol of type indicated
215 * @priority: 3-bit unsigned integer indicating priority for IEEE
216 * 8-bit 802.1p user priority bitmap for CEE
219 * Selector field values
222 * 2 Well known port number over TCP or SCTP
223 * 3 Well known port number over UDP or DCCP
224 * 4 Well known port number over TCP, SCTP, UDP, or DCCP
234 * struct dcb_peer_app_info - APP feature information sent by the peer
236 * @willing: willing bit in the peer APP tlv
237 * @error: error bit in the peer APP tlv
239 * In addition to this information the full peer APP tlv also contains
240 * a table of 'app_count' APP objects defined above.
242 struct dcb_peer_app_info {
254 * enum dcbnl_commands - supported DCB commands
256 * @DCB_CMD_UNDEFINED: unspecified command to catch errors
257 * @DCB_CMD_GSTATE: request the state of DCB in the device
258 * @DCB_CMD_SSTATE: set the state of DCB in the device
259 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
260 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
261 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
262 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
263 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
264 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
265 * @DCB_CMD_SET_ALL: apply all changes to the underlying device
266 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
267 * device. Only useful when using bonding.
268 * @DCB_CMD_GCAP: request the DCB capabilities of the device
269 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
270 * @DCB_CMD_SNUMTCS: set the number of traffic classes
271 * @DCB_CMD_GBCN: set backward congestion notification configuration
272 * @DCB_CMD_SBCN: get backward congestion notification configration.
273 * @DCB_CMD_GAPP: get application protocol configuration
274 * @DCB_CMD_SAPP: set application protocol configuration
275 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
276 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
277 * @DCB_CMD_GDCBX: get DCBX engine configuration
278 * @DCB_CMD_SDCBX: set DCBX engine configuration
279 * @DCB_CMD_GFEATCFG: get DCBX features flags
280 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
281 * @DCB_CMD_CEE_GET: get CEE aggregated configuration
282 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
284 enum dcbnl_commands {
300 DCB_CMD_GPERM_HWADDR,
329 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
333 * enum dcbnl_attrs - DCB top-level netlink attributes
335 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
336 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
337 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
338 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
339 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
340 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
341 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
342 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
343 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
344 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
345 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
346 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
347 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
348 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
349 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
350 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
362 DCB_ATTR_PERM_HWADDR,
368 /* IEEE std attributes */
374 /* CEE nested attributes */
378 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
382 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
384 * @DCB_ATTR_IEEE_UNSPEC: unspecified
385 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
386 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
387 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
388 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
389 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
390 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
393 DCB_ATTR_IEEE_UNSPEC,
396 DCB_ATTR_IEEE_APP_TABLE,
397 DCB_ATTR_IEEE_PEER_ETS,
398 DCB_ATTR_IEEE_PEER_PFC,
399 DCB_ATTR_IEEE_PEER_APP,
400 DCB_ATTR_IEEE_MAXRATE,
402 DCB_ATTR_IEEE_QCN_STATS,
405 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
407 enum ieee_attrs_app {
408 DCB_ATTR_IEEE_APP_UNSPEC,
410 __DCB_ATTR_IEEE_APP_MAX
412 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
415 * enum cee_attrs - CEE DCBX get attributes.
417 * @DCB_ATTR_CEE_UNSPEC: unspecified
418 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
419 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
420 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
421 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
422 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
423 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
424 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
425 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
427 * An aggregated collection of the cee std negotiated parameters.
431 DCB_ATTR_CEE_PEER_PG,
432 DCB_ATTR_CEE_PEER_PFC,
433 DCB_ATTR_CEE_PEER_APP_TABLE,
437 DCB_ATTR_CEE_APP_TABLE,
441 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
444 DCB_ATTR_CEE_PEER_APP_UNSPEC,
445 DCB_ATTR_CEE_PEER_APP_INFO,
446 DCB_ATTR_CEE_PEER_APP,
447 __DCB_ATTR_CEE_PEER_APP_MAX
449 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
452 DCB_ATTR_CEE_APP_UNSPEC,
454 __DCB_ATTR_CEE_APP_MAX
456 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
459 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
461 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
462 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
463 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
464 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
465 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
466 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
467 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
468 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
469 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
470 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
471 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
474 enum dcbnl_pfc_up_attrs {
475 DCB_PFC_UP_ATTR_UNDEFINED,
487 __DCB_PFC_UP_ATTR_ENUM_MAX,
488 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
492 * enum dcbnl_pg_attrs - DCB Priority Group attributes
494 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
495 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
496 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
497 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
498 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
499 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
500 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
501 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
502 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
503 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
504 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
505 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
506 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
507 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
508 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
509 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
510 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
511 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
512 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
513 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
514 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
517 enum dcbnl_pg_attrs {
518 DCB_PG_ATTR_UNDEFINED,
539 DCB_PG_ATTR_BW_ID_MAX,
540 DCB_PG_ATTR_BW_ID_ALL,
542 __DCB_PG_ATTR_ENUM_MAX,
543 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
547 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
549 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
550 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
551 * Valid values are: 0-7
552 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
553 * Some devices may not support changing the
554 * user priority map of a TC.
555 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
559 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
560 * not configured to use link strict priority,
561 * this is the percentage of bandwidth of the
562 * priority group this traffic class belongs to
563 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
566 enum dcbnl_tc_attrs {
567 DCB_TC_ATTR_PARAM_UNDEFINED,
569 DCB_TC_ATTR_PARAM_PGID,
570 DCB_TC_ATTR_PARAM_UP_MAPPING,
571 DCB_TC_ATTR_PARAM_STRICT_PRIO,
572 DCB_TC_ATTR_PARAM_BW_PCT,
573 DCB_TC_ATTR_PARAM_ALL,
575 __DCB_TC_ATTR_PARAM_ENUM_MAX,
576 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
580 * enum dcbnl_cap_attrs - DCB Capability attributes
582 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
583 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
584 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
585 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
586 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
587 * traffic class mapping
588 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
589 * number of traffic classes the device
590 * can be configured to use for Priority Groups
591 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
592 * number of traffic classes the device can be
593 * configured to use for Priority Flow Control
594 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
595 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
597 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
600 enum dcbnl_cap_attrs {
601 DCB_CAP_ATTR_UNDEFINED,
607 DCB_CAP_ATTR_PFC_TCS,
612 __DCB_CAP_ATTR_ENUM_MAX,
613 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
617 * DCBX capability flags
619 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
620 * 'set' routines are used to configure the device with
621 * the negotiated parameters
623 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
625 * 'get' routines are used to retrieve the
626 * negotiated parameters
627 * 'set' routines can be used to set the initial
628 * negotiation configuration
630 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
631 * supports the CEE protocol flavor
633 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
634 * supports the IEEE protocol flavor
636 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
637 * supports static configuration (i.e no actual
638 * negotiation is performed negotiated parameters equal
639 * the initial configuration)
642 #define DCB_CAP_DCBX_HOST 0x01
643 #define DCB_CAP_DCBX_LLD_MANAGED 0x02
644 #define DCB_CAP_DCBX_VER_CEE 0x04
645 #define DCB_CAP_DCBX_VER_IEEE 0x08
646 #define DCB_CAP_DCBX_STATIC 0x10
649 * enum dcbnl_numtcs_attrs - number of traffic classes
651 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
652 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
653 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
655 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
656 * support priority flow control
658 enum dcbnl_numtcs_attrs {
659 DCB_NUMTCS_ATTR_UNDEFINED,
664 __DCB_NUMTCS_ATTR_ENUM_MAX,
665 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
668 enum dcbnl_bcn_attrs{
669 DCB_BCN_ATTR_UNDEFINED = 0,
698 __DCB_BCN_ATTR_ENUM_MAX,
699 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
703 * enum dcb_general_attr_values - general DCB attribute values
705 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
708 enum dcb_general_attr_values {
709 DCB_ATTR_VALUE_UNDEFINED = 0xff
712 #define DCB_APP_IDTYPE_ETHTYPE 0x00
713 #define DCB_APP_IDTYPE_PORTNUM 0x01
714 enum dcbnl_app_attrs {
715 DCB_APP_ATTR_UNDEFINED,
719 DCB_APP_ATTR_PRIORITY,
721 __DCB_APP_ATTR_ENUM_MAX,
722 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
726 * enum dcbnl_featcfg_attrs - features conifiguration flags
728 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
729 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
730 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
731 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
733 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
736 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */
737 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */
738 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */
739 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */
740 enum dcbnl_featcfg_attrs {
741 DCB_FEATCFG_ATTR_UNDEFINED,
742 DCB_FEATCFG_ATTR_ALL,
744 DCB_FEATCFG_ATTR_PFC,
745 DCB_FEATCFG_ATTR_APP,
747 __DCB_FEATCFG_ATTR_ENUM_MAX,
748 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
751 #endif /* __LINUX_DCBNL_H__ */