Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[pandora-kernel.git] / include / 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 /* This structure contains the IEEE 802.1Qaz PFC managed object
82  *
83  * @pfc_cap: Indicates the number of traffic classes on the local device
84  *           that may simultaneously have PFC enabled.
85  * @pfc_en: bitmap indicating pfc enabled traffic classes
86  * @mbc: enable macsec bypass capability
87  * @delay: the allowance made for a round-trip propagation delay of the
88  *         link in bits.
89  * @requests: count of the sent pfc frames
90  * @indications: count of the received pfc frames
91  */
92 struct ieee_pfc {
93         __u8    pfc_cap;
94         __u8    pfc_en;
95         __u8    mbc;
96         __u16   delay;
97         __u64   requests[IEEE_8021QAZ_MAX_TCS];
98         __u64   indications[IEEE_8021QAZ_MAX_TCS];
99 };
100
101 /* CEE DCBX std supported values */
102 #define CEE_DCBX_MAX_PGS        8
103 #define CEE_DCBX_MAX_PRIO       8
104
105 /**
106  * struct cee_pg - CEE Priority-Group managed object
107  *
108  * @willing: willing bit in the PG tlv
109  * @error: error bit in the PG tlv
110  * @pg_en: enable bit of the PG feature
111  * @tcs_supported: number of traffic classes supported
112  * @pg_bw: bandwidth percentage for each priority group
113  * @prio_pg: priority to PG mapping indexed by priority
114  */
115 struct cee_pg {
116         __u8    willing;
117         __u8    error;
118         __u8    pg_en;
119         __u8    tcs_supported;
120         __u8    pg_bw[CEE_DCBX_MAX_PGS];
121         __u8    prio_pg[CEE_DCBX_MAX_PGS];
122 };
123
124 /**
125  * struct cee_pfc - CEE PFC managed object
126  *
127  * @willing: willing bit in the PFC tlv
128  * @error: error bit in the PFC tlv
129  * @pfc_en: bitmap indicating pfc enabled traffic classes
130  * @tcs_supported: number of traffic classes supported
131  */
132 struct cee_pfc {
133         __u8    willing;
134         __u8    error;
135         __u8    pfc_en;
136         __u8    tcs_supported;
137 };
138
139 /* IEEE 802.1Qaz std supported values */
140 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE  1
141 #define IEEE_8021QAZ_APP_SEL_STREAM     2
142 #define IEEE_8021QAZ_APP_SEL_DGRAM      3
143 #define IEEE_8021QAZ_APP_SEL_ANY        4
144
145 /* This structure contains the IEEE 802.1Qaz APP managed object. This
146  * object is also used for the CEE std as well. There is no difference
147  * between the objects.
148  *
149  * @selector: protocol identifier type
150  * @protocol: protocol of type indicated
151  * @priority: 3-bit unsigned integer indicating priority
152  *
153  * ----
154  *  Selector field values
155  *      0       Reserved
156  *      1       Ethertype
157  *      2       Well known port number over TCP or SCTP
158  *      3       Well known port number over UDP or DCCP
159  *      4       Well known port number over TCP, SCTP, UDP, or DCCP
160  *      5-7     Reserved
161  */
162 struct dcb_app {
163         __u8    selector;
164         __u8    priority;
165         __u16   protocol;
166 };
167
168 /**
169  * struct dcb_peer_app_info - APP feature information sent by the peer
170  *
171  * @willing: willing bit in the peer APP tlv
172  * @error: error bit in the peer APP tlv
173  *
174  * In addition to this information the full peer APP tlv also contains
175  * a table of 'app_count' APP objects defined above.
176  */
177 struct dcb_peer_app_info {
178         __u8    willing;
179         __u8    error;
180 };
181
182 struct dcbmsg {
183         __u8               dcb_family;
184         __u8               cmd;
185         __u16              dcb_pad;
186 };
187
188 /**
189  * enum dcbnl_commands - supported DCB commands
190  *
191  * @DCB_CMD_UNDEFINED: unspecified command to catch errors
192  * @DCB_CMD_GSTATE: request the state of DCB in the device
193  * @DCB_CMD_SSTATE: set the state of DCB in the device
194  * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
195  * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
196  * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
197  * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
198  * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
199  * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
200  * @DCB_CMD_SET_ALL: apply all changes to the underlying device
201  * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
202  *                        device.  Only useful when using bonding.
203  * @DCB_CMD_GCAP: request the DCB capabilities of the device
204  * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
205  * @DCB_CMD_SNUMTCS: set the number of traffic classes
206  * @DCB_CMD_GBCN: set backward congestion notification configuration
207  * @DCB_CMD_SBCN: get backward congestion notification configration.
208  * @DCB_CMD_GAPP: get application protocol configuration
209  * @DCB_CMD_SAPP: set application protocol configuration
210  * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
211  * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
212  * @DCB_CMD_GDCBX: get DCBX engine configuration
213  * @DCB_CMD_SDCBX: set DCBX engine configuration
214  * @DCB_CMD_GFEATCFG: get DCBX features flags
215  * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
216  * @DCB_CMD_CEE_GET: get CEE aggregated configuration
217  * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
218  */
219 enum dcbnl_commands {
220         DCB_CMD_UNDEFINED,
221
222         DCB_CMD_GSTATE,
223         DCB_CMD_SSTATE,
224
225         DCB_CMD_PGTX_GCFG,
226         DCB_CMD_PGTX_SCFG,
227         DCB_CMD_PGRX_GCFG,
228         DCB_CMD_PGRX_SCFG,
229
230         DCB_CMD_PFC_GCFG,
231         DCB_CMD_PFC_SCFG,
232
233         DCB_CMD_SET_ALL,
234
235         DCB_CMD_GPERM_HWADDR,
236
237         DCB_CMD_GCAP,
238
239         DCB_CMD_GNUMTCS,
240         DCB_CMD_SNUMTCS,
241
242         DCB_CMD_PFC_GSTATE,
243         DCB_CMD_PFC_SSTATE,
244
245         DCB_CMD_BCN_GCFG,
246         DCB_CMD_BCN_SCFG,
247
248         DCB_CMD_GAPP,
249         DCB_CMD_SAPP,
250
251         DCB_CMD_IEEE_SET,
252         DCB_CMD_IEEE_GET,
253
254         DCB_CMD_GDCBX,
255         DCB_CMD_SDCBX,
256
257         DCB_CMD_GFEATCFG,
258         DCB_CMD_SFEATCFG,
259
260         DCB_CMD_CEE_GET,
261         DCB_CMD_IEEE_DEL,
262
263         __DCB_CMD_ENUM_MAX,
264         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
265 };
266
267 /**
268  * enum dcbnl_attrs - DCB top-level netlink attributes
269  *
270  * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
271  * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
272  * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
273  * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
274  * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
275  * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
276  * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
277  * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
278  * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
279  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
280  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
281  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
282  * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
283  * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
284  * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
285  * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
286  */
287 enum dcbnl_attrs {
288         DCB_ATTR_UNDEFINED,
289
290         DCB_ATTR_IFNAME,
291         DCB_ATTR_STATE,
292         DCB_ATTR_PFC_STATE,
293         DCB_ATTR_PFC_CFG,
294         DCB_ATTR_NUM_TC,
295         DCB_ATTR_PG_CFG,
296         DCB_ATTR_SET_ALL,
297         DCB_ATTR_PERM_HWADDR,
298         DCB_ATTR_CAP,
299         DCB_ATTR_NUMTCS,
300         DCB_ATTR_BCN,
301         DCB_ATTR_APP,
302
303         /* IEEE std attributes */
304         DCB_ATTR_IEEE,
305
306         DCB_ATTR_DCBX,
307         DCB_ATTR_FEATCFG,
308
309         /* CEE nested attributes */
310         DCB_ATTR_CEE,
311
312         __DCB_ATTR_ENUM_MAX,
313         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
314 };
315
316 /**
317  * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
318  *
319  * @DCB_ATTR_IEEE_UNSPEC: unspecified
320  * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
321  * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
322  * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
323  * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
324  * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
325  * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
326  */
327 enum ieee_attrs {
328         DCB_ATTR_IEEE_UNSPEC,
329         DCB_ATTR_IEEE_ETS,
330         DCB_ATTR_IEEE_PFC,
331         DCB_ATTR_IEEE_APP_TABLE,
332         DCB_ATTR_IEEE_PEER_ETS,
333         DCB_ATTR_IEEE_PEER_PFC,
334         DCB_ATTR_IEEE_PEER_APP,
335         DCB_ATTR_IEEE_MAXRATE,
336         __DCB_ATTR_IEEE_MAX
337 };
338 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
339
340 enum ieee_attrs_app {
341         DCB_ATTR_IEEE_APP_UNSPEC,
342         DCB_ATTR_IEEE_APP,
343         __DCB_ATTR_IEEE_APP_MAX
344 };
345 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
346
347 /**
348  * enum cee_attrs - CEE DCBX get attributes.
349  *
350  * @DCB_ATTR_CEE_UNSPEC: unspecified
351  * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
352  * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
353  * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
354  * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
355  * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
356  * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
357  * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
358  * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
359  *
360  * An aggregated collection of the cee std negotiated parameters.
361  */
362 enum cee_attrs {
363         DCB_ATTR_CEE_UNSPEC,
364         DCB_ATTR_CEE_PEER_PG,
365         DCB_ATTR_CEE_PEER_PFC,
366         DCB_ATTR_CEE_PEER_APP_TABLE,
367         DCB_ATTR_CEE_TX_PG,
368         DCB_ATTR_CEE_RX_PG,
369         DCB_ATTR_CEE_PFC,
370         DCB_ATTR_CEE_APP_TABLE,
371         DCB_ATTR_CEE_FEAT,
372         __DCB_ATTR_CEE_MAX
373 };
374 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
375
376 enum peer_app_attr {
377         DCB_ATTR_CEE_PEER_APP_UNSPEC,
378         DCB_ATTR_CEE_PEER_APP_INFO,
379         DCB_ATTR_CEE_PEER_APP,
380         __DCB_ATTR_CEE_PEER_APP_MAX
381 };
382 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
383
384 enum cee_attrs_app {
385         DCB_ATTR_CEE_APP_UNSPEC,
386         DCB_ATTR_CEE_APP,
387         __DCB_ATTR_CEE_APP_MAX
388 };
389 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
390
391 /**
392  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
393  *
394  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
395  * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
396  * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
397  * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
398  * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
399  * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
400  * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
401  * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
402  * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
403  * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
404  * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
405  *
406  */
407 enum dcbnl_pfc_up_attrs {
408         DCB_PFC_UP_ATTR_UNDEFINED,
409
410         DCB_PFC_UP_ATTR_0,
411         DCB_PFC_UP_ATTR_1,
412         DCB_PFC_UP_ATTR_2,
413         DCB_PFC_UP_ATTR_3,
414         DCB_PFC_UP_ATTR_4,
415         DCB_PFC_UP_ATTR_5,
416         DCB_PFC_UP_ATTR_6,
417         DCB_PFC_UP_ATTR_7,
418         DCB_PFC_UP_ATTR_ALL,
419
420         __DCB_PFC_UP_ATTR_ENUM_MAX,
421         DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
422 };
423
424 /**
425  * enum dcbnl_pg_attrs - DCB Priority Group attributes
426  *
427  * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
428  * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
429  * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
430  * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
431  * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
432  * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
433  * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
434  * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
435  * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
436  * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
437  * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
438  * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
439  * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
440  * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
441  * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
442  * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
443  * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
444  * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
445  * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
446  * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
447  * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
448  *
449  */
450 enum dcbnl_pg_attrs {
451         DCB_PG_ATTR_UNDEFINED,
452
453         DCB_PG_ATTR_TC_0,
454         DCB_PG_ATTR_TC_1,
455         DCB_PG_ATTR_TC_2,
456         DCB_PG_ATTR_TC_3,
457         DCB_PG_ATTR_TC_4,
458         DCB_PG_ATTR_TC_5,
459         DCB_PG_ATTR_TC_6,
460         DCB_PG_ATTR_TC_7,
461         DCB_PG_ATTR_TC_MAX,
462         DCB_PG_ATTR_TC_ALL,
463
464         DCB_PG_ATTR_BW_ID_0,
465         DCB_PG_ATTR_BW_ID_1,
466         DCB_PG_ATTR_BW_ID_2,
467         DCB_PG_ATTR_BW_ID_3,
468         DCB_PG_ATTR_BW_ID_4,
469         DCB_PG_ATTR_BW_ID_5,
470         DCB_PG_ATTR_BW_ID_6,
471         DCB_PG_ATTR_BW_ID_7,
472         DCB_PG_ATTR_BW_ID_MAX,
473         DCB_PG_ATTR_BW_ID_ALL,
474
475         __DCB_PG_ATTR_ENUM_MAX,
476         DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
477 };
478
479 /**
480  * enum dcbnl_tc_attrs - DCB Traffic Class attributes
481  *
482  * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
483  * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
484  *                          Valid values are:  0-7
485  * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
486  *                                Some devices may not support changing the
487  *                                user priority map of a TC.
488  * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
489  *                                 0 - none
490  *                                 1 - group strict
491  *                                 2 - link strict
492  * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
493  *                            not configured to use link strict priority,
494  *                            this is the percentage of bandwidth of the
495  *                            priority group this traffic class belongs to
496  * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
497  *
498  */
499 enum dcbnl_tc_attrs {
500         DCB_TC_ATTR_PARAM_UNDEFINED,
501
502         DCB_TC_ATTR_PARAM_PGID,
503         DCB_TC_ATTR_PARAM_UP_MAPPING,
504         DCB_TC_ATTR_PARAM_STRICT_PRIO,
505         DCB_TC_ATTR_PARAM_BW_PCT,
506         DCB_TC_ATTR_PARAM_ALL,
507
508         __DCB_TC_ATTR_PARAM_ENUM_MAX,
509         DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
510 };
511
512 /**
513  * enum dcbnl_cap_attrs - DCB Capability attributes
514  *
515  * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
516  * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
517  * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
518  * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
519  * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
520  *                               traffic class mapping
521  * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
522  *                                number of traffic classes the device
523  *                                can be configured to use for Priority Groups
524  * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
525  *                                 number of traffic classes the device can be
526  *                                 configured to use for Priority Flow Control
527  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
528  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
529  *                             Notification
530  * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
531  *
532  */
533 enum dcbnl_cap_attrs {
534         DCB_CAP_ATTR_UNDEFINED,
535         DCB_CAP_ATTR_ALL,
536         DCB_CAP_ATTR_PG,
537         DCB_CAP_ATTR_PFC,
538         DCB_CAP_ATTR_UP2TC,
539         DCB_CAP_ATTR_PG_TCS,
540         DCB_CAP_ATTR_PFC_TCS,
541         DCB_CAP_ATTR_GSP,
542         DCB_CAP_ATTR_BCN,
543         DCB_CAP_ATTR_DCBX,
544
545         __DCB_CAP_ATTR_ENUM_MAX,
546         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
547 };
548
549 /**
550  * DCBX capability flags
551  *
552  * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
553  *                     'set' routines are used to configure the device with
554  *                     the negotiated parameters
555  *
556  * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
557  *                            by another entity
558  *                            'get' routines are used to retrieve the
559  *                            negotiated parameters
560  *                            'set' routines can be used to set the initial
561  *                            negotiation configuration
562  *
563  * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
564  *                        supports the CEE protocol flavor
565  *
566  * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
567  *                         supports the IEEE protocol flavor
568  *
569  * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
570  *                       supports static configuration (i.e no actual
571  *                       negotiation is performed negotiated parameters equal
572  *                       the initial configuration)
573  *
574  */
575 #define DCB_CAP_DCBX_HOST               0x01
576 #define DCB_CAP_DCBX_LLD_MANAGED        0x02
577 #define DCB_CAP_DCBX_VER_CEE            0x04
578 #define DCB_CAP_DCBX_VER_IEEE           0x08
579 #define DCB_CAP_DCBX_STATIC             0x10
580
581 /**
582  * enum dcbnl_numtcs_attrs - number of traffic classes
583  *
584  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
585  * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
586  * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
587  *                               priority groups
588  * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
589  *                                support priority flow control
590  */
591 enum dcbnl_numtcs_attrs {
592         DCB_NUMTCS_ATTR_UNDEFINED,
593         DCB_NUMTCS_ATTR_ALL,
594         DCB_NUMTCS_ATTR_PG,
595         DCB_NUMTCS_ATTR_PFC,
596
597         __DCB_NUMTCS_ATTR_ENUM_MAX,
598         DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
599 };
600
601 enum dcbnl_bcn_attrs{
602         DCB_BCN_ATTR_UNDEFINED = 0,
603
604         DCB_BCN_ATTR_RP_0,
605         DCB_BCN_ATTR_RP_1,
606         DCB_BCN_ATTR_RP_2,
607         DCB_BCN_ATTR_RP_3,
608         DCB_BCN_ATTR_RP_4,
609         DCB_BCN_ATTR_RP_5,
610         DCB_BCN_ATTR_RP_6,
611         DCB_BCN_ATTR_RP_7,
612         DCB_BCN_ATTR_RP_ALL,
613
614         DCB_BCN_ATTR_BCNA_0,
615         DCB_BCN_ATTR_BCNA_1,
616         DCB_BCN_ATTR_ALPHA,
617         DCB_BCN_ATTR_BETA,
618         DCB_BCN_ATTR_GD,
619         DCB_BCN_ATTR_GI,
620         DCB_BCN_ATTR_TMAX,
621         DCB_BCN_ATTR_TD,
622         DCB_BCN_ATTR_RMIN,
623         DCB_BCN_ATTR_W,
624         DCB_BCN_ATTR_RD,
625         DCB_BCN_ATTR_RU,
626         DCB_BCN_ATTR_WRTT,
627         DCB_BCN_ATTR_RI,
628         DCB_BCN_ATTR_C,
629         DCB_BCN_ATTR_ALL,
630
631         __DCB_BCN_ATTR_ENUM_MAX,
632         DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
633 };
634
635 /**
636  * enum dcb_general_attr_values - general DCB attribute values
637  *
638  * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
639  *
640  */
641 enum dcb_general_attr_values {
642         DCB_ATTR_VALUE_UNDEFINED = 0xff
643 };
644
645 #define DCB_APP_IDTYPE_ETHTYPE  0x00
646 #define DCB_APP_IDTYPE_PORTNUM  0x01
647 enum dcbnl_app_attrs {
648         DCB_APP_ATTR_UNDEFINED,
649
650         DCB_APP_ATTR_IDTYPE,
651         DCB_APP_ATTR_ID,
652         DCB_APP_ATTR_PRIORITY,
653
654         __DCB_APP_ATTR_ENUM_MAX,
655         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
656 };
657
658 /**
659  * enum dcbnl_featcfg_attrs - features conifiguration flags
660  *
661  * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
662  * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
663  * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
664  * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
665  *                                 flow control
666  * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
667  *
668  */
669 #define DCB_FEATCFG_ERROR       0x01    /* error in feature resolution */
670 #define DCB_FEATCFG_ENABLE      0x02    /* enable feature */
671 #define DCB_FEATCFG_WILLING     0x04    /* feature is willing */
672 #define DCB_FEATCFG_ADVERTISE   0x08    /* advertise feature */
673 enum dcbnl_featcfg_attrs {
674         DCB_FEATCFG_ATTR_UNDEFINED,
675         DCB_FEATCFG_ATTR_ALL,
676         DCB_FEATCFG_ATTR_PG,
677         DCB_FEATCFG_ATTR_PFC,
678         DCB_FEATCFG_ATTR_APP,
679
680         __DCB_FEATCFG_ATTR_ENUM_MAX,
681         DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
682 };
683
684 #endif /* __LINUX_DCBNL_H__ */