1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * Copyright (c) 2008-2011, Intel Corporation.
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.
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
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.
18 * Author: Lucy Liu <lucy.liu@intel.com>
21 #ifndef __LINUX_DCBNL_H__
22 #define __LINUX_DCBNL_H__
24 #include <linux/types.h>
26 /* IEEE 802.1Qaz std supported values */
27 #define IEEE_8021QAZ_MAX_TCS 8
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
34 /* This structure contains the IEEE 802.1Qaz ETS managed object
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
47 * Recommended values are used to set fields in the ETS recommendation TLV
48 * with hardware offloaded LLDP.
51 * TSA Assignment 8 bit identifiers
53 * 1 credit-based shaper
54 * 2 enhanced transmission selection
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
];
71 /* This structure contains rate limit extension to the IEEE 802.1Qaz ETS
73 * Values are 64 bits long and specified in Kbps to enable usage over both
74 * slow and very fast networks.
76 * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
79 __u64 tc_maxrate
[IEEE_8021QAZ_MAX_TCS
];
82 enum dcbnl_cndd_states
{
86 DCB_CNDD_INTERIOR_READY
,
89 /* This structure contains the IEEE 802.1Qau QCN managed object.
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.
95 *@rpg_byte_reset: transmitted data between rate increases if no CNMs received.
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
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
];
134 /* This structure contains the IEEE 802.1Qau QCN statistics.
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
141 struct ieee_qcn_stats
{
142 __u64 rppp_rp_centiseconds
[IEEE_8021QAZ_MAX_TCS
];
143 __u32 rppp_created_rps
[IEEE_8021QAZ_MAX_TCS
];
146 /* This structure contains the IEEE 802.1Qaz PFC managed object
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
154 * @requests: count of the sent pfc frames
155 * @indications: count of the received pfc frames
162 __u64 requests
[IEEE_8021QAZ_MAX_TCS
];
163 __u64 indications
[IEEE_8021QAZ_MAX_TCS
];
166 #define IEEE_8021Q_MAX_PRIORITIES 8
167 #define DCBX_MAX_BUFFERS 8
168 struct 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
];
176 /* CEE DCBX std supported values */
177 #define CEE_DCBX_MAX_PGS 8
178 #define CEE_DCBX_MAX_PRIO 8
181 * struct cee_pg - CEE Priority-Group managed object
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
195 __u8 pg_bw
[CEE_DCBX_MAX_PGS
];
196 __u8 prio_pg
[CEE_DCBX_MAX_PGS
];
200 * struct cee_pfc - CEE PFC managed object
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
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
221 /* This structure contains the IEEE 802.1Qaz APP managed object. This
222 * object is also used for the CEE std as well.
224 * @selector: protocol identifier type
225 * @protocol: protocol of type indicated
226 * @priority: 3-bit unsigned integer indicating priority for IEEE
227 * 8-bit 802.1p user priority bitmap for CEE
230 * Selector field values for IEEE 802.1Qaz
233 * 2 Well known port number over TCP or SCTP
234 * 3 Well known port number over UDP or DCCP
235 * 4 Well known port number over TCP, SCTP, UDP, or DCCP
236 * 5 Differentiated Services Code Point (DSCP) value
239 * Selector field values for CEE
241 * 1 Well known port number over TCP or UDP
251 * struct dcb_peer_app_info - APP feature information sent by the peer
253 * @willing: willing bit in the peer APP tlv
254 * @error: error bit in the peer APP tlv
256 * In addition to this information the full peer APP tlv also contains
257 * a table of 'app_count' APP objects defined above.
259 struct dcb_peer_app_info
{
271 * enum dcbnl_commands - supported DCB commands
273 * @DCB_CMD_UNDEFINED: unspecified command to catch errors
274 * @DCB_CMD_GSTATE: request the state of DCB in the device
275 * @DCB_CMD_SSTATE: set the state of DCB in the device
276 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
277 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
278 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
279 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
280 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
281 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
282 * @DCB_CMD_SET_ALL: apply all changes to the underlying device
283 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
284 * device. Only useful when using bonding.
285 * @DCB_CMD_GCAP: request the DCB capabilities of the device
286 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
287 * @DCB_CMD_SNUMTCS: set the number of traffic classes
288 * @DCB_CMD_GBCN: set backward congestion notification configuration
289 * @DCB_CMD_SBCN: get backward congestion notification configuration.
290 * @DCB_CMD_GAPP: get application protocol configuration
291 * @DCB_CMD_SAPP: set application protocol configuration
292 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
293 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
294 * @DCB_CMD_GDCBX: get DCBX engine configuration
295 * @DCB_CMD_SDCBX: set DCBX engine configuration
296 * @DCB_CMD_GFEATCFG: get DCBX features flags
297 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
298 * @DCB_CMD_CEE_GET: get CEE aggregated configuration
299 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
301 enum dcbnl_commands
{
317 DCB_CMD_GPERM_HWADDR
,
346 DCB_CMD_MAX
= __DCB_CMD_ENUM_MAX
- 1,
350 * enum dcbnl_attrs - DCB top-level netlink attributes
352 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
353 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
354 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
355 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
356 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
357 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
358 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
359 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
360 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
361 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
362 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
363 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
364 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
365 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
366 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
367 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
379 DCB_ATTR_PERM_HWADDR
,
385 /* IEEE std attributes */
391 /* CEE nested attributes */
395 DCB_ATTR_MAX
= __DCB_ATTR_ENUM_MAX
- 1,
399 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
401 * @DCB_ATTR_IEEE_UNSPEC: unspecified
402 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
403 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
404 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
405 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
406 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
407 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
410 DCB_ATTR_IEEE_UNSPEC
,
413 DCB_ATTR_IEEE_APP_TABLE
,
414 DCB_ATTR_IEEE_PEER_ETS
,
415 DCB_ATTR_IEEE_PEER_PFC
,
416 DCB_ATTR_IEEE_PEER_APP
,
417 DCB_ATTR_IEEE_MAXRATE
,
419 DCB_ATTR_IEEE_QCN_STATS
,
423 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
425 enum ieee_attrs_app
{
426 DCB_ATTR_IEEE_APP_UNSPEC
,
428 __DCB_ATTR_IEEE_APP_MAX
430 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
433 * enum cee_attrs - CEE DCBX get attributes.
435 * @DCB_ATTR_CEE_UNSPEC: unspecified
436 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
437 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
438 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
439 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
440 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
441 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
442 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
443 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
445 * An aggregated collection of the cee std negotiated parameters.
449 DCB_ATTR_CEE_PEER_PG
,
450 DCB_ATTR_CEE_PEER_PFC
,
451 DCB_ATTR_CEE_PEER_APP_TABLE
,
455 DCB_ATTR_CEE_APP_TABLE
,
459 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
462 DCB_ATTR_CEE_PEER_APP_UNSPEC
,
463 DCB_ATTR_CEE_PEER_APP_INFO
,
464 DCB_ATTR_CEE_PEER_APP
,
465 __DCB_ATTR_CEE_PEER_APP_MAX
467 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
470 DCB_ATTR_CEE_APP_UNSPEC
,
472 __DCB_ATTR_CEE_APP_MAX
474 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
477 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
479 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
480 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
481 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
482 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
483 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
484 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
485 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
486 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
487 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
488 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
489 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
492 enum dcbnl_pfc_up_attrs
{
493 DCB_PFC_UP_ATTR_UNDEFINED
,
505 __DCB_PFC_UP_ATTR_ENUM_MAX
,
506 DCB_PFC_UP_ATTR_MAX
= __DCB_PFC_UP_ATTR_ENUM_MAX
- 1,
510 * enum dcbnl_pg_attrs - DCB Priority Group attributes
512 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
513 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
514 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
515 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
516 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
517 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
518 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
519 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
520 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
521 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
522 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
523 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
524 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
525 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
526 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
527 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
528 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
529 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
530 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
531 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
532 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
535 enum dcbnl_pg_attrs
{
536 DCB_PG_ATTR_UNDEFINED
,
557 DCB_PG_ATTR_BW_ID_MAX
,
558 DCB_PG_ATTR_BW_ID_ALL
,
560 __DCB_PG_ATTR_ENUM_MAX
,
561 DCB_PG_ATTR_MAX
= __DCB_PG_ATTR_ENUM_MAX
- 1,
565 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
567 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
568 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
569 * Valid values are: 0-7
570 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
571 * Some devices may not support changing the
572 * user priority map of a TC.
573 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
577 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
578 * not configured to use link strict priority,
579 * this is the percentage of bandwidth of the
580 * priority group this traffic class belongs to
581 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
584 enum dcbnl_tc_attrs
{
585 DCB_TC_ATTR_PARAM_UNDEFINED
,
587 DCB_TC_ATTR_PARAM_PGID
,
588 DCB_TC_ATTR_PARAM_UP_MAPPING
,
589 DCB_TC_ATTR_PARAM_STRICT_PRIO
,
590 DCB_TC_ATTR_PARAM_BW_PCT
,
591 DCB_TC_ATTR_PARAM_ALL
,
593 __DCB_TC_ATTR_PARAM_ENUM_MAX
,
594 DCB_TC_ATTR_PARAM_MAX
= __DCB_TC_ATTR_PARAM_ENUM_MAX
- 1,
598 * enum dcbnl_cap_attrs - DCB Capability attributes
600 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
601 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
602 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
603 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
604 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
605 * traffic class mapping
606 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
607 * number of traffic classes the device
608 * can be configured to use for Priority Groups
609 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
610 * number of traffic classes the device can be
611 * configured to use for Priority Flow Control
612 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
613 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
615 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
618 enum dcbnl_cap_attrs
{
619 DCB_CAP_ATTR_UNDEFINED
,
625 DCB_CAP_ATTR_PFC_TCS
,
630 __DCB_CAP_ATTR_ENUM_MAX
,
631 DCB_CAP_ATTR_MAX
= __DCB_CAP_ATTR_ENUM_MAX
- 1,
635 * DCBX capability flags
637 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
638 * 'set' routines are used to configure the device with
639 * the negotiated parameters
641 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
643 * 'get' routines are used to retrieve the
644 * negotiated parameters
645 * 'set' routines can be used to set the initial
646 * negotiation configuration
648 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
649 * supports the CEE protocol flavor
651 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
652 * supports the IEEE protocol flavor
654 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
655 * supports static configuration (i.e no actual
656 * negotiation is performed negotiated parameters equal
657 * the initial configuration)
660 #define DCB_CAP_DCBX_HOST 0x01
661 #define DCB_CAP_DCBX_LLD_MANAGED 0x02
662 #define DCB_CAP_DCBX_VER_CEE 0x04
663 #define DCB_CAP_DCBX_VER_IEEE 0x08
664 #define DCB_CAP_DCBX_STATIC 0x10
667 * enum dcbnl_numtcs_attrs - number of traffic classes
669 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
670 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
671 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
673 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
674 * support priority flow control
676 enum dcbnl_numtcs_attrs
{
677 DCB_NUMTCS_ATTR_UNDEFINED
,
682 __DCB_NUMTCS_ATTR_ENUM_MAX
,
683 DCB_NUMTCS_ATTR_MAX
= __DCB_NUMTCS_ATTR_ENUM_MAX
- 1,
686 enum dcbnl_bcn_attrs
{
687 DCB_BCN_ATTR_UNDEFINED
= 0,
716 __DCB_BCN_ATTR_ENUM_MAX
,
717 DCB_BCN_ATTR_MAX
= __DCB_BCN_ATTR_ENUM_MAX
- 1,
721 * enum dcb_general_attr_values - general DCB attribute values
723 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
726 enum dcb_general_attr_values
{
727 DCB_ATTR_VALUE_UNDEFINED
= 0xff
730 #define DCB_APP_IDTYPE_ETHTYPE 0x00
731 #define DCB_APP_IDTYPE_PORTNUM 0x01
732 enum dcbnl_app_attrs
{
733 DCB_APP_ATTR_UNDEFINED
,
737 DCB_APP_ATTR_PRIORITY
,
739 __DCB_APP_ATTR_ENUM_MAX
,
740 DCB_APP_ATTR_MAX
= __DCB_APP_ATTR_ENUM_MAX
- 1,
744 * enum dcbnl_featcfg_attrs - features conifiguration flags
746 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
747 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
748 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
749 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
751 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
754 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */
755 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */
756 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */
757 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */
758 enum dcbnl_featcfg_attrs
{
759 DCB_FEATCFG_ATTR_UNDEFINED
,
760 DCB_FEATCFG_ATTR_ALL
,
762 DCB_FEATCFG_ATTR_PFC
,
763 DCB_FEATCFG_ATTR_APP
,
765 __DCB_FEATCFG_ATTR_ENUM_MAX
,
766 DCB_FEATCFG_ATTR_MAX
= __DCB_FEATCFG_ATTR_ENUM_MAX
- 1,
769 #endif /* __LINUX_DCBNL_H__ */