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TOMOYO Linux Cross Reference
Linux/include/uapi/linux/dcbnl.h

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  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  */
 58 struct 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  */
 78 struct ieee_maxrate {
 79         __u64   tc_maxrate[IEEE_8021QAZ_MAX_TCS];
 80 };
 81 
 82 enum 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 
119 struct 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 
141 struct 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  */
157 struct 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
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];
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  */
190 struct 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  */
207 struct 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 /* This structure contains the IEEE 802.1Qaz APP managed object. This
222  * object is also used for the CEE std as well.
223  *
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
228  *
229  * ----
230  *  Selector field values for IEEE 802.1Qaz
231  *      0       Reserved
232  *      1       Ethertype
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  *      5-7     Reserved
237  *
238  *  Selector field values for CEE
239  *      0       Ethertype
240  *      1       Well known port number over TCP or UDP
241  *      2-3     Reserved
242  */
243 struct dcb_app {
244         __u8    selector;
245         __u8    priority;
246         __u16   protocol;
247 };
248 
249 /**
250  * struct dcb_peer_app_info - APP feature information sent by the peer
251  *
252  * @willing: willing bit in the peer APP tlv
253  * @error: error bit in the peer APP tlv
254  *
255  * In addition to this information the full peer APP tlv also contains
256  * a table of 'app_count' APP objects defined above.
257  */
258 struct dcb_peer_app_info {
259         __u8    willing;
260         __u8    error;
261 };
262 
263 struct dcbmsg {
264         __u8               dcb_family;
265         __u8               cmd;
266         __u16              dcb_pad;
267 };
268 
269 /**
270  * enum dcbnl_commands - supported DCB commands
271  *
272  * @DCB_CMD_UNDEFINED: unspecified command to catch errors
273  * @DCB_CMD_GSTATE: request the state of DCB in the device
274  * @DCB_CMD_SSTATE: set the state of DCB in the device
275  * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
276  * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
277  * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
278  * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
279  * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
280  * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
281  * @DCB_CMD_SET_ALL: apply all changes to the underlying device
282  * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
283  *                        device.  Only useful when using bonding.
284  * @DCB_CMD_GCAP: request the DCB capabilities of the device
285  * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
286  * @DCB_CMD_SNUMTCS: set the number of traffic classes
287  * @DCB_CMD_GBCN: set backward congestion notification configuration
288  * @DCB_CMD_SBCN: get backward congestion notification configration.
289  * @DCB_CMD_GAPP: get application protocol configuration
290  * @DCB_CMD_SAPP: set application protocol configuration
291  * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
292  * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
293  * @DCB_CMD_GDCBX: get DCBX engine configuration
294  * @DCB_CMD_SDCBX: set DCBX engine configuration
295  * @DCB_CMD_GFEATCFG: get DCBX features flags
296  * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
297  * @DCB_CMD_CEE_GET: get CEE aggregated configuration
298  * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
299  */
300 enum dcbnl_commands {
301         DCB_CMD_UNDEFINED,
302 
303         DCB_CMD_GSTATE,
304         DCB_CMD_SSTATE,
305 
306         DCB_CMD_PGTX_GCFG,
307         DCB_CMD_PGTX_SCFG,
308         DCB_CMD_PGRX_GCFG,
309         DCB_CMD_PGRX_SCFG,
310 
311         DCB_CMD_PFC_GCFG,
312         DCB_CMD_PFC_SCFG,
313 
314         DCB_CMD_SET_ALL,
315 
316         DCB_CMD_GPERM_HWADDR,
317 
318         DCB_CMD_GCAP,
319 
320         DCB_CMD_GNUMTCS,
321         DCB_CMD_SNUMTCS,
322 
323         DCB_CMD_PFC_GSTATE,
324         DCB_CMD_PFC_SSTATE,
325 
326         DCB_CMD_BCN_GCFG,
327         DCB_CMD_BCN_SCFG,
328 
329         DCB_CMD_GAPP,
330         DCB_CMD_SAPP,
331 
332         DCB_CMD_IEEE_SET,
333         DCB_CMD_IEEE_GET,
334 
335         DCB_CMD_GDCBX,
336         DCB_CMD_SDCBX,
337 
338         DCB_CMD_GFEATCFG,
339         DCB_CMD_SFEATCFG,
340 
341         DCB_CMD_CEE_GET,
342         DCB_CMD_IEEE_DEL,
343 
344         __DCB_CMD_ENUM_MAX,
345         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
346 };
347 
348 /**
349  * enum dcbnl_attrs - DCB top-level netlink attributes
350  *
351  * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
352  * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
353  * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
354  * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
355  * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
356  * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
357  * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
358  * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
359  * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
360  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
361  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
362  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
363  * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
364  * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
365  * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
366  * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
367  */
368 enum dcbnl_attrs {
369         DCB_ATTR_UNDEFINED,
370 
371         DCB_ATTR_IFNAME,
372         DCB_ATTR_STATE,
373         DCB_ATTR_PFC_STATE,
374         DCB_ATTR_PFC_CFG,
375         DCB_ATTR_NUM_TC,
376         DCB_ATTR_PG_CFG,
377         DCB_ATTR_SET_ALL,
378         DCB_ATTR_PERM_HWADDR,
379         DCB_ATTR_CAP,
380         DCB_ATTR_NUMTCS,
381         DCB_ATTR_BCN,
382         DCB_ATTR_APP,
383 
384         /* IEEE std attributes */
385         DCB_ATTR_IEEE,
386 
387         DCB_ATTR_DCBX,
388         DCB_ATTR_FEATCFG,
389 
390         /* CEE nested attributes */
391         DCB_ATTR_CEE,
392 
393         __DCB_ATTR_ENUM_MAX,
394         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
395 };
396 
397 /**
398  * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
399  *
400  * @DCB_ATTR_IEEE_UNSPEC: unspecified
401  * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
402  * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
403  * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
404  * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
405  * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
406  * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
407  */
408 enum ieee_attrs {
409         DCB_ATTR_IEEE_UNSPEC,
410         DCB_ATTR_IEEE_ETS,
411         DCB_ATTR_IEEE_PFC,
412         DCB_ATTR_IEEE_APP_TABLE,
413         DCB_ATTR_IEEE_PEER_ETS,
414         DCB_ATTR_IEEE_PEER_PFC,
415         DCB_ATTR_IEEE_PEER_APP,
416         DCB_ATTR_IEEE_MAXRATE,
417         DCB_ATTR_IEEE_QCN,
418         DCB_ATTR_IEEE_QCN_STATS,
419         DCB_ATTR_DCB_BUFFER,
420         __DCB_ATTR_IEEE_MAX
421 };
422 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
423 
424 enum ieee_attrs_app {
425         DCB_ATTR_IEEE_APP_UNSPEC,
426         DCB_ATTR_IEEE_APP,
427         __DCB_ATTR_IEEE_APP_MAX
428 };
429 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
430 
431 /**
432  * enum cee_attrs - CEE DCBX get attributes.
433  *
434  * @DCB_ATTR_CEE_UNSPEC: unspecified
435  * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
436  * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
437  * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
438  * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
439  * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
440  * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
441  * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
442  * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
443  *
444  * An aggregated collection of the cee std negotiated parameters.
445  */
446 enum cee_attrs {
447         DCB_ATTR_CEE_UNSPEC,
448         DCB_ATTR_CEE_PEER_PG,
449         DCB_ATTR_CEE_PEER_PFC,
450         DCB_ATTR_CEE_PEER_APP_TABLE,
451         DCB_ATTR_CEE_TX_PG,
452         DCB_ATTR_CEE_RX_PG,
453         DCB_ATTR_CEE_PFC,
454         DCB_ATTR_CEE_APP_TABLE,
455         DCB_ATTR_CEE_FEAT,
456         __DCB_ATTR_CEE_MAX
457 };
458 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
459 
460 enum peer_app_attr {
461         DCB_ATTR_CEE_PEER_APP_UNSPEC,
462         DCB_ATTR_CEE_PEER_APP_INFO,
463         DCB_ATTR_CEE_PEER_APP,
464         __DCB_ATTR_CEE_PEER_APP_MAX
465 };
466 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
467 
468 enum cee_attrs_app {
469         DCB_ATTR_CEE_APP_UNSPEC,
470         DCB_ATTR_CEE_APP,
471         __DCB_ATTR_CEE_APP_MAX
472 };
473 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
474 
475 /**
476  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
477  *
478  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
479  * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
480  * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
481  * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
482  * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
483  * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
484  * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
485  * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
486  * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
487  * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
488  * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
489  *
490  */
491 enum dcbnl_pfc_up_attrs {
492         DCB_PFC_UP_ATTR_UNDEFINED,
493 
494         DCB_PFC_UP_ATTR_0,
495         DCB_PFC_UP_ATTR_1,
496         DCB_PFC_UP_ATTR_2,
497         DCB_PFC_UP_ATTR_3,
498         DCB_PFC_UP_ATTR_4,
499         DCB_PFC_UP_ATTR_5,
500         DCB_PFC_UP_ATTR_6,
501         DCB_PFC_UP_ATTR_7,
502         DCB_PFC_UP_ATTR_ALL,
503 
504         __DCB_PFC_UP_ATTR_ENUM_MAX,
505         DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
506 };
507 
508 /**
509  * enum dcbnl_pg_attrs - DCB Priority Group attributes
510  *
511  * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
512  * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
513  * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
514  * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
515  * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
516  * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
517  * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
518  * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
519  * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
520  * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
521  * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
522  * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
523  * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
524  * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
525  * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
526  * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
527  * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
528  * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
529  * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
530  * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
531  * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
532  *
533  */
534 enum dcbnl_pg_attrs {
535         DCB_PG_ATTR_UNDEFINED,
536 
537         DCB_PG_ATTR_TC_0,
538         DCB_PG_ATTR_TC_1,
539         DCB_PG_ATTR_TC_2,
540         DCB_PG_ATTR_TC_3,
541         DCB_PG_ATTR_TC_4,
542         DCB_PG_ATTR_TC_5,
543         DCB_PG_ATTR_TC_6,
544         DCB_PG_ATTR_TC_7,
545         DCB_PG_ATTR_TC_MAX,
546         DCB_PG_ATTR_TC_ALL,
547 
548         DCB_PG_ATTR_BW_ID_0,
549         DCB_PG_ATTR_BW_ID_1,
550         DCB_PG_ATTR_BW_ID_2,
551         DCB_PG_ATTR_BW_ID_3,
552         DCB_PG_ATTR_BW_ID_4,
553         DCB_PG_ATTR_BW_ID_5,
554         DCB_PG_ATTR_BW_ID_6,
555         DCB_PG_ATTR_BW_ID_7,
556         DCB_PG_ATTR_BW_ID_MAX,
557         DCB_PG_ATTR_BW_ID_ALL,
558 
559         __DCB_PG_ATTR_ENUM_MAX,
560         DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
561 };
562 
563 /**
564  * enum dcbnl_tc_attrs - DCB Traffic Class attributes
565  *
566  * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
567  * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
568  *                          Valid values are:  0-7
569  * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
570  *                                Some devices may not support changing the
571  *                                user priority map of a TC.
572  * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
573  *                                 0 - none
574  *                                 1 - group strict
575  *                                 2 - link strict
576  * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
577  *                            not configured to use link strict priority,
578  *                            this is the percentage of bandwidth of the
579  *                            priority group this traffic class belongs to
580  * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
581  *
582  */
583 enum dcbnl_tc_attrs {
584         DCB_TC_ATTR_PARAM_UNDEFINED,
585 
586         DCB_TC_ATTR_PARAM_PGID,
587         DCB_TC_ATTR_PARAM_UP_MAPPING,
588         DCB_TC_ATTR_PARAM_STRICT_PRIO,
589         DCB_TC_ATTR_PARAM_BW_PCT,
590         DCB_TC_ATTR_PARAM_ALL,
591 
592         __DCB_TC_ATTR_PARAM_ENUM_MAX,
593         DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
594 };
595 
596 /**
597  * enum dcbnl_cap_attrs - DCB Capability attributes
598  *
599  * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
600  * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
601  * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
602  * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
603  * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
604  *                               traffic class mapping
605  * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
606  *                                number of traffic classes the device
607  *                                can be configured to use for Priority Groups
608  * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
609  *                                 number of traffic classes the device can be
610  *                                 configured to use for Priority Flow Control
611  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
612  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
613  *                             Notification
614  * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
615  *
616  */
617 enum dcbnl_cap_attrs {
618         DCB_CAP_ATTR_UNDEFINED,
619         DCB_CAP_ATTR_ALL,
620         DCB_CAP_ATTR_PG,
621         DCB_CAP_ATTR_PFC,
622         DCB_CAP_ATTR_UP2TC,
623         DCB_CAP_ATTR_PG_TCS,
624         DCB_CAP_ATTR_PFC_TCS,
625         DCB_CAP_ATTR_GSP,
626         DCB_CAP_ATTR_BCN,
627         DCB_CAP_ATTR_DCBX,
628 
629         __DCB_CAP_ATTR_ENUM_MAX,
630         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
631 };
632 
633 /**
634  * DCBX capability flags
635  *
636  * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
637  *                     'set' routines are used to configure the device with
638  *                     the negotiated parameters
639  *
640  * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
641  *                            by another entity
642  *                            'get' routines are used to retrieve the
643  *                            negotiated parameters
644  *                            'set' routines can be used to set the initial
645  *                            negotiation configuration
646  *
647  * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
648  *                        supports the CEE protocol flavor
649  *
650  * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
651  *                         supports the IEEE protocol flavor
652  *
653  * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
654  *                       supports static configuration (i.e no actual
655  *                       negotiation is performed negotiated parameters equal
656  *                       the initial configuration)
657  *
658  */
659 #define DCB_CAP_DCBX_HOST               0x01
660 #define DCB_CAP_DCBX_LLD_MANAGED        0x02
661 #define DCB_CAP_DCBX_VER_CEE            0x04
662 #define DCB_CAP_DCBX_VER_IEEE           0x08
663 #define DCB_CAP_DCBX_STATIC             0x10
664 
665 /**
666  * enum dcbnl_numtcs_attrs - number of traffic classes
667  *
668  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
669  * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
670  * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
671  *                               priority groups
672  * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
673  *                                support priority flow control
674  */
675 enum dcbnl_numtcs_attrs {
676         DCB_NUMTCS_ATTR_UNDEFINED,
677         DCB_NUMTCS_ATTR_ALL,
678         DCB_NUMTCS_ATTR_PG,
679         DCB_NUMTCS_ATTR_PFC,
680 
681         __DCB_NUMTCS_ATTR_ENUM_MAX,
682         DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
683 };
684 
685 enum dcbnl_bcn_attrs{
686         DCB_BCN_ATTR_UNDEFINED = 0,
687 
688         DCB_BCN_ATTR_RP_0,
689         DCB_BCN_ATTR_RP_1,
690         DCB_BCN_ATTR_RP_2,
691         DCB_BCN_ATTR_RP_3,
692         DCB_BCN_ATTR_RP_4,
693         DCB_BCN_ATTR_RP_5,
694         DCB_BCN_ATTR_RP_6,
695         DCB_BCN_ATTR_RP_7,
696         DCB_BCN_ATTR_RP_ALL,
697 
698         DCB_BCN_ATTR_BCNA_0,
699         DCB_BCN_ATTR_BCNA_1,
700         DCB_BCN_ATTR_ALPHA,
701         DCB_BCN_ATTR_BETA,
702         DCB_BCN_ATTR_GD,
703         DCB_BCN_ATTR_GI,
704         DCB_BCN_ATTR_TMAX,
705         DCB_BCN_ATTR_TD,
706         DCB_BCN_ATTR_RMIN,
707         DCB_BCN_ATTR_W,
708         DCB_BCN_ATTR_RD,
709         DCB_BCN_ATTR_RU,
710         DCB_BCN_ATTR_WRTT,
711         DCB_BCN_ATTR_RI,
712         DCB_BCN_ATTR_C,
713         DCB_BCN_ATTR_ALL,
714 
715         __DCB_BCN_ATTR_ENUM_MAX,
716         DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
717 };
718 
719 /**
720  * enum dcb_general_attr_values - general DCB attribute values
721  *
722  * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
723  *
724  */
725 enum dcb_general_attr_values {
726         DCB_ATTR_VALUE_UNDEFINED = 0xff
727 };
728 
729 #define DCB_APP_IDTYPE_ETHTYPE  0x00
730 #define DCB_APP_IDTYPE_PORTNUM  0x01
731 enum dcbnl_app_attrs {
732         DCB_APP_ATTR_UNDEFINED,
733 
734         DCB_APP_ATTR_IDTYPE,
735         DCB_APP_ATTR_ID,
736         DCB_APP_ATTR_PRIORITY,
737 
738         __DCB_APP_ATTR_ENUM_MAX,
739         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
740 };
741 
742 /**
743  * enum dcbnl_featcfg_attrs - features conifiguration flags
744  *
745  * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
746  * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
747  * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
748  * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
749  *                                 flow control
750  * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
751  *
752  */
753 #define DCB_FEATCFG_ERROR       0x01    /* error in feature resolution */
754 #define DCB_FEATCFG_ENABLE      0x02    /* enable feature */
755 #define DCB_FEATCFG_WILLING     0x04    /* feature is willing */
756 #define DCB_FEATCFG_ADVERTISE   0x08    /* advertise feature */
757 enum dcbnl_featcfg_attrs {
758         DCB_FEATCFG_ATTR_UNDEFINED,
759         DCB_FEATCFG_ATTR_ALL,
760         DCB_FEATCFG_ATTR_PG,
761         DCB_FEATCFG_ATTR_PFC,
762         DCB_FEATCFG_ATTR_APP,
763 
764         __DCB_FEATCFG_ATTR_ENUM_MAX,
765         DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
766 };
767 
768 #endif /* __LINUX_DCBNL_H__ */
769 

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