These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / include / uapi / linux / dcbnl.h
1 /*
2  * Copyright (c) 2008-2011, Intel Corporation.
3  *
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.
7  *
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
11  * more details.
12  *
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.
16  *
17  * Author: Lucy Liu <lucy.liu@intel.com>
18  */
19
20 #ifndef __LINUX_DCBNL_H__
21 #define __LINUX_DCBNL_H__
22
23 #include <linux/types.h>
24
25 /* IEEE 802.1Qaz std supported values */
26 #define IEEE_8021QAZ_MAX_TCS    8
27
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
32
33 /* This structure contains the IEEE 802.1Qaz ETS managed object
34  *
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
45  *
46  * Recommended values are used to set fields in the ETS recommendation TLV
47  * with hardware offloaded LLDP.
48  *
49  * ----
50  *  TSA Assignment 8 bit identifiers
51  *      0       strict priority
52  *      1       credit-based shaper
53  *      2       enhanced transmission selection
54  *      3-254   reserved
55  *      255     vendor specific
56  */
57 struct ieee_ets {
58         __u8    willing;
59         __u8    ets_cap;
60         __u8    cbs;
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];
68 };
69
70 /* This structure contains rate limit extension to the IEEE 802.1Qaz ETS
71  * managed object.
72  * Values are 64 bits long and specified in Kbps to enable usage over both
73  * slow and very fast networks.
74  *
75  * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
76  */
77 struct ieee_maxrate {
78         __u64   tc_maxrate[IEEE_8021QAZ_MAX_TCS];
79 };
80
81 enum dcbnl_cndd_states {
82         DCB_CNDD_RESET = 0,
83         DCB_CNDD_EDGE,
84         DCB_CNDD_INTERIOR,
85         DCB_CNDD_INTERIOR_READY,
86 };
87
88 /* This structure contains the IEEE 802.1Qau QCN managed object.
89  *
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.
93  *                 given in u-seconds
94  *@rpg_byte_reset: transmitted data between rate increases if no CNMs received.
95  *                 given in Bytes
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
115  *                     flows.
116  */
117
118 struct ieee_qcn {
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];
131 };
132
133 /* This structure contains the IEEE 802.1Qau QCN statistics.
134  *
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
138  */
139
140 struct ieee_qcn_stats {
141         __u64 rppp_rp_centiseconds[IEEE_8021QAZ_MAX_TCS];
142         __u32 rppp_created_rps[IEEE_8021QAZ_MAX_TCS];
143 };
144
145 /* This structure contains the IEEE 802.1Qaz PFC managed object
146  *
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
152  *         link in bits.
153  * @requests: count of the sent pfc frames
154  * @indications: count of the received pfc frames
155  */
156 struct ieee_pfc {
157         __u8    pfc_cap;
158         __u8    pfc_en;
159         __u8    mbc;
160         __u16   delay;
161         __u64   requests[IEEE_8021QAZ_MAX_TCS];
162         __u64   indications[IEEE_8021QAZ_MAX_TCS];
163 };
164
165 /* CEE DCBX std supported values */
166 #define CEE_DCBX_MAX_PGS        8
167 #define CEE_DCBX_MAX_PRIO       8
168
169 /**
170  * struct cee_pg - CEE Priority-Group managed object
171  *
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
178  */
179 struct cee_pg {
180         __u8    willing;
181         __u8    error;
182         __u8    pg_en;
183         __u8    tcs_supported;
184         __u8    pg_bw[CEE_DCBX_MAX_PGS];
185         __u8    prio_pg[CEE_DCBX_MAX_PGS];
186 };
187
188 /**
189  * struct cee_pfc - CEE PFC managed object
190  *
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
195  */
196 struct cee_pfc {
197         __u8    willing;
198         __u8    error;
199         __u8    pfc_en;
200         __u8    tcs_supported;
201 };
202
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
208
209 /* This structure contains the IEEE 802.1Qaz APP managed object. This
210  * object is also used for the CEE std as well.
211  *
212  * @selector: protocol identifier type
213  * @protocol: protocol of type indicated
214  * @priority: 3-bit unsigned integer indicating priority for IEEE
215  *            8-bit 802.1p user priority bitmap for CEE
216  *
217  * ----
218  *  Selector field values for IEEE 802.1Qaz
219  *      0       Reserved
220  *      1       Ethertype
221  *      2       Well known port number over TCP or SCTP
222  *      3       Well known port number over UDP or DCCP
223  *      4       Well known port number over TCP, SCTP, UDP, or DCCP
224  *      5-7     Reserved
225  *
226  *  Selector field values for CEE
227  *      0       Ethertype
228  *      1       Well known port number over TCP or UDP
229  *      2-3     Reserved
230  */
231 struct dcb_app {
232         __u8    selector;
233         __u8    priority;
234         __u16   protocol;
235 };
236
237 /**
238  * struct dcb_peer_app_info - APP feature information sent by the peer
239  *
240  * @willing: willing bit in the peer APP tlv
241  * @error: error bit in the peer APP tlv
242  *
243  * In addition to this information the full peer APP tlv also contains
244  * a table of 'app_count' APP objects defined above.
245  */
246 struct dcb_peer_app_info {
247         __u8    willing;
248         __u8    error;
249 };
250
251 struct dcbmsg {
252         __u8               dcb_family;
253         __u8               cmd;
254         __u16              dcb_pad;
255 };
256
257 /**
258  * enum dcbnl_commands - supported DCB commands
259  *
260  * @DCB_CMD_UNDEFINED: unspecified command to catch errors
261  * @DCB_CMD_GSTATE: request the state of DCB in the device
262  * @DCB_CMD_SSTATE: set the state of DCB in the device
263  * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
264  * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
265  * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
266  * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
267  * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
268  * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
269  * @DCB_CMD_SET_ALL: apply all changes to the underlying device
270  * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
271  *                        device.  Only useful when using bonding.
272  * @DCB_CMD_GCAP: request the DCB capabilities of the device
273  * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
274  * @DCB_CMD_SNUMTCS: set the number of traffic classes
275  * @DCB_CMD_GBCN: set backward congestion notification configuration
276  * @DCB_CMD_SBCN: get backward congestion notification configration.
277  * @DCB_CMD_GAPP: get application protocol configuration
278  * @DCB_CMD_SAPP: set application protocol configuration
279  * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
280  * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
281  * @DCB_CMD_GDCBX: get DCBX engine configuration
282  * @DCB_CMD_SDCBX: set DCBX engine configuration
283  * @DCB_CMD_GFEATCFG: get DCBX features flags
284  * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
285  * @DCB_CMD_CEE_GET: get CEE aggregated configuration
286  * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
287  */
288 enum dcbnl_commands {
289         DCB_CMD_UNDEFINED,
290
291         DCB_CMD_GSTATE,
292         DCB_CMD_SSTATE,
293
294         DCB_CMD_PGTX_GCFG,
295         DCB_CMD_PGTX_SCFG,
296         DCB_CMD_PGRX_GCFG,
297         DCB_CMD_PGRX_SCFG,
298
299         DCB_CMD_PFC_GCFG,
300         DCB_CMD_PFC_SCFG,
301
302         DCB_CMD_SET_ALL,
303
304         DCB_CMD_GPERM_HWADDR,
305
306         DCB_CMD_GCAP,
307
308         DCB_CMD_GNUMTCS,
309         DCB_CMD_SNUMTCS,
310
311         DCB_CMD_PFC_GSTATE,
312         DCB_CMD_PFC_SSTATE,
313
314         DCB_CMD_BCN_GCFG,
315         DCB_CMD_BCN_SCFG,
316
317         DCB_CMD_GAPP,
318         DCB_CMD_SAPP,
319
320         DCB_CMD_IEEE_SET,
321         DCB_CMD_IEEE_GET,
322
323         DCB_CMD_GDCBX,
324         DCB_CMD_SDCBX,
325
326         DCB_CMD_GFEATCFG,
327         DCB_CMD_SFEATCFG,
328
329         DCB_CMD_CEE_GET,
330         DCB_CMD_IEEE_DEL,
331
332         __DCB_CMD_ENUM_MAX,
333         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
334 };
335
336 /**
337  * enum dcbnl_attrs - DCB top-level netlink attributes
338  *
339  * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
340  * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
341  * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
342  * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
343  * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
344  * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
345  * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
346  * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
347  * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
348  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
349  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
350  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
351  * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
352  * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
353  * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
354  * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
355  */
356 enum dcbnl_attrs {
357         DCB_ATTR_UNDEFINED,
358
359         DCB_ATTR_IFNAME,
360         DCB_ATTR_STATE,
361         DCB_ATTR_PFC_STATE,
362         DCB_ATTR_PFC_CFG,
363         DCB_ATTR_NUM_TC,
364         DCB_ATTR_PG_CFG,
365         DCB_ATTR_SET_ALL,
366         DCB_ATTR_PERM_HWADDR,
367         DCB_ATTR_CAP,
368         DCB_ATTR_NUMTCS,
369         DCB_ATTR_BCN,
370         DCB_ATTR_APP,
371
372         /* IEEE std attributes */
373         DCB_ATTR_IEEE,
374
375         DCB_ATTR_DCBX,
376         DCB_ATTR_FEATCFG,
377
378         /* CEE nested attributes */
379         DCB_ATTR_CEE,
380
381         __DCB_ATTR_ENUM_MAX,
382         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
383 };
384
385 /**
386  * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
387  *
388  * @DCB_ATTR_IEEE_UNSPEC: unspecified
389  * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
390  * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
391  * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
392  * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
393  * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
394  * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
395  */
396 enum ieee_attrs {
397         DCB_ATTR_IEEE_UNSPEC,
398         DCB_ATTR_IEEE_ETS,
399         DCB_ATTR_IEEE_PFC,
400         DCB_ATTR_IEEE_APP_TABLE,
401         DCB_ATTR_IEEE_PEER_ETS,
402         DCB_ATTR_IEEE_PEER_PFC,
403         DCB_ATTR_IEEE_PEER_APP,
404         DCB_ATTR_IEEE_MAXRATE,
405         DCB_ATTR_IEEE_QCN,
406         DCB_ATTR_IEEE_QCN_STATS,
407         __DCB_ATTR_IEEE_MAX
408 };
409 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
410
411 enum ieee_attrs_app {
412         DCB_ATTR_IEEE_APP_UNSPEC,
413         DCB_ATTR_IEEE_APP,
414         __DCB_ATTR_IEEE_APP_MAX
415 };
416 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
417
418 /**
419  * enum cee_attrs - CEE DCBX get attributes.
420  *
421  * @DCB_ATTR_CEE_UNSPEC: unspecified
422  * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
423  * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
424  * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
425  * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
426  * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
427  * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
428  * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
429  * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
430  *
431  * An aggregated collection of the cee std negotiated parameters.
432  */
433 enum cee_attrs {
434         DCB_ATTR_CEE_UNSPEC,
435         DCB_ATTR_CEE_PEER_PG,
436         DCB_ATTR_CEE_PEER_PFC,
437         DCB_ATTR_CEE_PEER_APP_TABLE,
438         DCB_ATTR_CEE_TX_PG,
439         DCB_ATTR_CEE_RX_PG,
440         DCB_ATTR_CEE_PFC,
441         DCB_ATTR_CEE_APP_TABLE,
442         DCB_ATTR_CEE_FEAT,
443         __DCB_ATTR_CEE_MAX
444 };
445 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
446
447 enum peer_app_attr {
448         DCB_ATTR_CEE_PEER_APP_UNSPEC,
449         DCB_ATTR_CEE_PEER_APP_INFO,
450         DCB_ATTR_CEE_PEER_APP,
451         __DCB_ATTR_CEE_PEER_APP_MAX
452 };
453 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
454
455 enum cee_attrs_app {
456         DCB_ATTR_CEE_APP_UNSPEC,
457         DCB_ATTR_CEE_APP,
458         __DCB_ATTR_CEE_APP_MAX
459 };
460 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
461
462 /**
463  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
464  *
465  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
466  * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
467  * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
468  * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
469  * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
470  * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
471  * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
472  * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
473  * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
474  * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
475  * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
476  *
477  */
478 enum dcbnl_pfc_up_attrs {
479         DCB_PFC_UP_ATTR_UNDEFINED,
480
481         DCB_PFC_UP_ATTR_0,
482         DCB_PFC_UP_ATTR_1,
483         DCB_PFC_UP_ATTR_2,
484         DCB_PFC_UP_ATTR_3,
485         DCB_PFC_UP_ATTR_4,
486         DCB_PFC_UP_ATTR_5,
487         DCB_PFC_UP_ATTR_6,
488         DCB_PFC_UP_ATTR_7,
489         DCB_PFC_UP_ATTR_ALL,
490
491         __DCB_PFC_UP_ATTR_ENUM_MAX,
492         DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
493 };
494
495 /**
496  * enum dcbnl_pg_attrs - DCB Priority Group attributes
497  *
498  * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
499  * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
500  * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
501  * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
502  * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
503  * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
504  * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
505  * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
506  * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
507  * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
508  * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
509  * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
510  * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
511  * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
512  * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
513  * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
514  * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
515  * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
516  * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
517  * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
518  * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
519  *
520  */
521 enum dcbnl_pg_attrs {
522         DCB_PG_ATTR_UNDEFINED,
523
524         DCB_PG_ATTR_TC_0,
525         DCB_PG_ATTR_TC_1,
526         DCB_PG_ATTR_TC_2,
527         DCB_PG_ATTR_TC_3,
528         DCB_PG_ATTR_TC_4,
529         DCB_PG_ATTR_TC_5,
530         DCB_PG_ATTR_TC_6,
531         DCB_PG_ATTR_TC_7,
532         DCB_PG_ATTR_TC_MAX,
533         DCB_PG_ATTR_TC_ALL,
534
535         DCB_PG_ATTR_BW_ID_0,
536         DCB_PG_ATTR_BW_ID_1,
537         DCB_PG_ATTR_BW_ID_2,
538         DCB_PG_ATTR_BW_ID_3,
539         DCB_PG_ATTR_BW_ID_4,
540         DCB_PG_ATTR_BW_ID_5,
541         DCB_PG_ATTR_BW_ID_6,
542         DCB_PG_ATTR_BW_ID_7,
543         DCB_PG_ATTR_BW_ID_MAX,
544         DCB_PG_ATTR_BW_ID_ALL,
545
546         __DCB_PG_ATTR_ENUM_MAX,
547         DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
548 };
549
550 /**
551  * enum dcbnl_tc_attrs - DCB Traffic Class attributes
552  *
553  * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
554  * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
555  *                          Valid values are:  0-7
556  * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
557  *                                Some devices may not support changing the
558  *                                user priority map of a TC.
559  * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
560  *                                 0 - none
561  *                                 1 - group strict
562  *                                 2 - link strict
563  * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
564  *                            not configured to use link strict priority,
565  *                            this is the percentage of bandwidth of the
566  *                            priority group this traffic class belongs to
567  * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
568  *
569  */
570 enum dcbnl_tc_attrs {
571         DCB_TC_ATTR_PARAM_UNDEFINED,
572
573         DCB_TC_ATTR_PARAM_PGID,
574         DCB_TC_ATTR_PARAM_UP_MAPPING,
575         DCB_TC_ATTR_PARAM_STRICT_PRIO,
576         DCB_TC_ATTR_PARAM_BW_PCT,
577         DCB_TC_ATTR_PARAM_ALL,
578
579         __DCB_TC_ATTR_PARAM_ENUM_MAX,
580         DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
581 };
582
583 /**
584  * enum dcbnl_cap_attrs - DCB Capability attributes
585  *
586  * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
587  * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
588  * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
589  * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
590  * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
591  *                               traffic class mapping
592  * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
593  *                                number of traffic classes the device
594  *                                can be configured to use for Priority Groups
595  * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
596  *                                 number of traffic classes the device can be
597  *                                 configured to use for Priority Flow Control
598  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
599  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
600  *                             Notification
601  * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
602  *
603  */
604 enum dcbnl_cap_attrs {
605         DCB_CAP_ATTR_UNDEFINED,
606         DCB_CAP_ATTR_ALL,
607         DCB_CAP_ATTR_PG,
608         DCB_CAP_ATTR_PFC,
609         DCB_CAP_ATTR_UP2TC,
610         DCB_CAP_ATTR_PG_TCS,
611         DCB_CAP_ATTR_PFC_TCS,
612         DCB_CAP_ATTR_GSP,
613         DCB_CAP_ATTR_BCN,
614         DCB_CAP_ATTR_DCBX,
615
616         __DCB_CAP_ATTR_ENUM_MAX,
617         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
618 };
619
620 /**
621  * DCBX capability flags
622  *
623  * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
624  *                     'set' routines are used to configure the device with
625  *                     the negotiated parameters
626  *
627  * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
628  *                            by another entity
629  *                            'get' routines are used to retrieve the
630  *                            negotiated parameters
631  *                            'set' routines can be used to set the initial
632  *                            negotiation configuration
633  *
634  * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
635  *                        supports the CEE protocol flavor
636  *
637  * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
638  *                         supports the IEEE protocol flavor
639  *
640  * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
641  *                       supports static configuration (i.e no actual
642  *                       negotiation is performed negotiated parameters equal
643  *                       the initial configuration)
644  *
645  */
646 #define DCB_CAP_DCBX_HOST               0x01
647 #define DCB_CAP_DCBX_LLD_MANAGED        0x02
648 #define DCB_CAP_DCBX_VER_CEE            0x04
649 #define DCB_CAP_DCBX_VER_IEEE           0x08
650 #define DCB_CAP_DCBX_STATIC             0x10
651
652 /**
653  * enum dcbnl_numtcs_attrs - number of traffic classes
654  *
655  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
656  * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
657  * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
658  *                               priority groups
659  * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
660  *                                support priority flow control
661  */
662 enum dcbnl_numtcs_attrs {
663         DCB_NUMTCS_ATTR_UNDEFINED,
664         DCB_NUMTCS_ATTR_ALL,
665         DCB_NUMTCS_ATTR_PG,
666         DCB_NUMTCS_ATTR_PFC,
667
668         __DCB_NUMTCS_ATTR_ENUM_MAX,
669         DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
670 };
671
672 enum dcbnl_bcn_attrs{
673         DCB_BCN_ATTR_UNDEFINED = 0,
674
675         DCB_BCN_ATTR_RP_0,
676         DCB_BCN_ATTR_RP_1,
677         DCB_BCN_ATTR_RP_2,
678         DCB_BCN_ATTR_RP_3,
679         DCB_BCN_ATTR_RP_4,
680         DCB_BCN_ATTR_RP_5,
681         DCB_BCN_ATTR_RP_6,
682         DCB_BCN_ATTR_RP_7,
683         DCB_BCN_ATTR_RP_ALL,
684
685         DCB_BCN_ATTR_BCNA_0,
686         DCB_BCN_ATTR_BCNA_1,
687         DCB_BCN_ATTR_ALPHA,
688         DCB_BCN_ATTR_BETA,
689         DCB_BCN_ATTR_GD,
690         DCB_BCN_ATTR_GI,
691         DCB_BCN_ATTR_TMAX,
692         DCB_BCN_ATTR_TD,
693         DCB_BCN_ATTR_RMIN,
694         DCB_BCN_ATTR_W,
695         DCB_BCN_ATTR_RD,
696         DCB_BCN_ATTR_RU,
697         DCB_BCN_ATTR_WRTT,
698         DCB_BCN_ATTR_RI,
699         DCB_BCN_ATTR_C,
700         DCB_BCN_ATTR_ALL,
701
702         __DCB_BCN_ATTR_ENUM_MAX,
703         DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
704 };
705
706 /**
707  * enum dcb_general_attr_values - general DCB attribute values
708  *
709  * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
710  *
711  */
712 enum dcb_general_attr_values {
713         DCB_ATTR_VALUE_UNDEFINED = 0xff
714 };
715
716 #define DCB_APP_IDTYPE_ETHTYPE  0x00
717 #define DCB_APP_IDTYPE_PORTNUM  0x01
718 enum dcbnl_app_attrs {
719         DCB_APP_ATTR_UNDEFINED,
720
721         DCB_APP_ATTR_IDTYPE,
722         DCB_APP_ATTR_ID,
723         DCB_APP_ATTR_PRIORITY,
724
725         __DCB_APP_ATTR_ENUM_MAX,
726         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
727 };
728
729 /**
730  * enum dcbnl_featcfg_attrs - features conifiguration flags
731  *
732  * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
733  * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
734  * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
735  * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
736  *                                 flow control
737  * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
738  *
739  */
740 #define DCB_FEATCFG_ERROR       0x01    /* error in feature resolution */
741 #define DCB_FEATCFG_ENABLE      0x02    /* enable feature */
742 #define DCB_FEATCFG_WILLING     0x04    /* feature is willing */
743 #define DCB_FEATCFG_ADVERTISE   0x08    /* advertise feature */
744 enum dcbnl_featcfg_attrs {
745         DCB_FEATCFG_ATTR_UNDEFINED,
746         DCB_FEATCFG_ATTR_ALL,
747         DCB_FEATCFG_ATTR_PG,
748         DCB_FEATCFG_ATTR_PFC,
749         DCB_FEATCFG_ATTR_APP,
750
751         __DCB_FEATCFG_ATTR_ENUM_MAX,
752         DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
753 };
754
755 #endif /* __LINUX_DCBNL_H__ */