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Alexander Duyck2f90b862008-11-20 20:52:10 -08001/*
Mark Rustad698e1d22011-03-14 09:01:02 +00002 * Copyright (c) 2008-2011, Intel Corporation.
Alexander Duyck2f90b862008-11-20 20:52:10 -08003 *
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
Chris Leech5c252222009-02-27 10:01:36 +000023#include <linux/types.h>
24
John Fastabend3e290272010-12-30 09:25:46 +000025/* IEEE 802.1Qaz std supported values */
26#define IEEE_8021QAZ_MAX_TCS 8
27
John Fastabendd033d522011-02-10 14:40:01 +000028#define IEEE_8021QAZ_TSA_STRICT 0
Mark Rustad171f20e2011-03-14 09:01:08 +000029#define IEEE_8021QAZ_TSA_CB_SHAPER 1
John Fastabendd033d522011-02-10 14:40:01 +000030#define IEEE_8021QAZ_TSA_ETS 2
31#define IEEE_8021QAZ_TSA_VENDOR 255
32
John Fastabend3e290272010-12-30 09:25:46 +000033/* This structure contains the IEEE 802.1Qaz ETS managed object
34 *
Mark Rustad171f20e2011-03-14 09:01:08 +000035 * @willing: willing bit in ETS configuration TLV
John Fastabend3e290272010-12-30 09:25:46 +000036 * @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 */
57struct 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 the IEEE 802.1Qaz PFC managed object
71 *
72 * @pfc_cap: Indicates the number of traffic classes on the local device
73 * that may simultaneously have PFC enabled.
74 * @pfc_en: bitmap indicating pfc enabled traffic classes
75 * @mbc: enable macsec bypass capability
76 * @delay: the allowance made for a round-trip propagation delay of the
77 * link in bits.
78 * @requests: count of the sent pfc frames
79 * @indications: count of the received pfc frames
80 */
81struct ieee_pfc {
82 __u8 pfc_cap;
83 __u8 pfc_en;
84 __u8 mbc;
85 __u16 delay;
86 __u64 requests[IEEE_8021QAZ_MAX_TCS];
87 __u64 indications[IEEE_8021QAZ_MAX_TCS];
88};
89
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +000090/* CEE DCBX std supported values */
91#define CEE_DCBX_MAX_PGS 8
92#define CEE_DCBX_MAX_PRIO 8
93
94/**
Mark Rustad171f20e2011-03-14 09:01:08 +000095 * struct cee_pg - CEE Priority-Group managed object
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +000096 *
97 * @willing: willing bit in the PG tlv
98 * @error: error bit in the PG tlv
99 * @pg_en: enable bit of the PG feature
100 * @tcs_supported: number of traffic classes supported
101 * @pg_bw: bandwidth percentage for each priority group
102 * @prio_pg: priority to PG mapping indexed by priority
103 */
104struct cee_pg {
105 __u8 willing;
106 __u8 error;
107 __u8 pg_en;
108 __u8 tcs_supported;
109 __u8 pg_bw[CEE_DCBX_MAX_PGS];
110 __u8 prio_pg[CEE_DCBX_MAX_PGS];
111};
112
113/**
114 * struct cee_pfc - CEE PFC managed object
115 *
116 * @willing: willing bit in the PFC tlv
117 * @error: error bit in the PFC tlv
118 * @pfc_en: bitmap indicating pfc enabled traffic classes
119 * @tcs_supported: number of traffic classes supported
120 */
121struct cee_pfc {
122 __u8 willing;
123 __u8 error;
124 __u8 pfc_en;
125 __u8 tcs_supported;
126};
127
Mark Rustad0c0217b2011-03-14 09:01:15 +0000128/* IEEE 802.1Qaz std supported values */
129#define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1
130#define IEEE_8021QAZ_APP_SEL_STREAM 2
131#define IEEE_8021QAZ_APP_SEL_DGRAM 3
132#define IEEE_8021QAZ_APP_SEL_ANY 4
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +0000133
John Fastabend9ab933a2010-12-30 09:26:31 +0000134/* This structure contains the IEEE 802.1Qaz APP managed object. This
135 * object is also used for the CEE std as well. There is no difference
136 * between the objects.
John Fastabend3e290272010-12-30 09:25:46 +0000137 *
138 * @selector: protocol identifier type
139 * @protocol: protocol of type indicated
140 * @priority: 3-bit unsigned integer indicating priority
141 *
142 * ----
143 * Selector field values
144 * 0 Reserved
145 * 1 Ethertype
146 * 2 Well known port number over TCP or SCTP
147 * 3 Well known port number over UDP or DCCP
148 * 4 Well known port number over TCP, SCTP, UDP, or DCCP
149 * 5-7 Reserved
150 */
151struct dcb_app {
152 __u8 selector;
John Fastabend3e290272010-12-30 09:25:46 +0000153 __u8 priority;
John Fastabend226111d2011-02-18 13:30:17 +0000154 __u16 protocol;
John Fastabend3e290272010-12-30 09:25:46 +0000155};
156
Shmulik Ravideed84712011-02-27 05:04:31 +0000157/**
158 * struct dcb_peer_app_info - APP feature information sent by the peer
159 *
160 * @willing: willing bit in the peer APP tlv
161 * @error: error bit in the peer APP tlv
162 *
163 * In addition to this information the full peer APP tlv also contains
164 * a table of 'app_count' APP objects defined above.
165 */
166struct dcb_peer_app_info {
167 __u8 willing;
168 __u8 error;
169};
170
Alexander Duyck2f90b862008-11-20 20:52:10 -0800171struct dcbmsg {
Chris Leech5c252222009-02-27 10:01:36 +0000172 __u8 dcb_family;
Alexander Duyck2f90b862008-11-20 20:52:10 -0800173 __u8 cmd;
174 __u16 dcb_pad;
175};
176
177/**
178 * enum dcbnl_commands - supported DCB commands
179 *
180 * @DCB_CMD_UNDEFINED: unspecified command to catch errors
181 * @DCB_CMD_GSTATE: request the state of DCB in the device
182 * @DCB_CMD_SSTATE: set the state of DCB in the device
183 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
184 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
185 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
186 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
187 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
188 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
189 * @DCB_CMD_SET_ALL: apply all changes to the underlying device
190 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
191 * device. Only useful when using bonding.
Alexander Duyck46132182008-11-20 21:05:08 -0800192 * @DCB_CMD_GCAP: request the DCB capabilities of the device
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800193 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
194 * @DCB_CMD_SNUMTCS: set the number of traffic classes
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800195 * @DCB_CMD_GBCN: set backward congestion notification configuration
196 * @DCB_CMD_SBCN: get backward congestion notification configration.
Yi Zou0f6f2902009-08-31 12:32:34 +0000197 * @DCB_CMD_GAPP: get application protocol configuration
198 * @DCB_CMD_SAPP: set application protocol configuration
John Fastabend3e290272010-12-30 09:25:46 +0000199 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
200 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
Shmulik Ravid6241b622010-12-30 06:26:48 +0000201 * @DCB_CMD_GDCBX: get DCBX engine configuration
202 * @DCB_CMD_SDCBX: set DCBX engine configuration
Shmulik Ravidea45fe42010-12-30 06:26:55 +0000203 * @DCB_CMD_GFEATCFG: get DCBX features flags
204 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +0000205 * @DCB_CMD_CEE_GET: get CEE aggregated configuration
Alexander Duyck2f90b862008-11-20 20:52:10 -0800206 */
207enum dcbnl_commands {
208 DCB_CMD_UNDEFINED,
209
210 DCB_CMD_GSTATE,
211 DCB_CMD_SSTATE,
212
213 DCB_CMD_PGTX_GCFG,
214 DCB_CMD_PGTX_SCFG,
215 DCB_CMD_PGRX_GCFG,
216 DCB_CMD_PGRX_SCFG,
217
218 DCB_CMD_PFC_GCFG,
219 DCB_CMD_PFC_SCFG,
220
221 DCB_CMD_SET_ALL,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800222
Alexander Duyck2f90b862008-11-20 20:52:10 -0800223 DCB_CMD_GPERM_HWADDR,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800224
Alexander Duyck46132182008-11-20 21:05:08 -0800225 DCB_CMD_GCAP,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800226
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800227 DCB_CMD_GNUMTCS,
228 DCB_CMD_SNUMTCS,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800229
Alexander Duyck0eb3aa92008-11-20 21:09:23 -0800230 DCB_CMD_PFC_GSTATE,
231 DCB_CMD_PFC_SSTATE,
Alexander Duyck2f90b862008-11-20 20:52:10 -0800232
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800233 DCB_CMD_BCN_GCFG,
234 DCB_CMD_BCN_SCFG,
235
Yi Zou0f6f2902009-08-31 12:32:34 +0000236 DCB_CMD_GAPP,
237 DCB_CMD_SAPP,
238
John Fastabend3e290272010-12-30 09:25:46 +0000239 DCB_CMD_IEEE_SET,
240 DCB_CMD_IEEE_GET,
241
Shmulik Ravid6241b622010-12-30 06:26:48 +0000242 DCB_CMD_GDCBX,
243 DCB_CMD_SDCBX,
244
Shmulik Ravidea45fe42010-12-30 06:26:55 +0000245 DCB_CMD_GFEATCFG,
246 DCB_CMD_SFEATCFG,
247
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +0000248 DCB_CMD_CEE_GET,
249
Alexander Duyck2f90b862008-11-20 20:52:10 -0800250 __DCB_CMD_ENUM_MAX,
251 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
252};
253
Alexander Duyck2f90b862008-11-20 20:52:10 -0800254/**
255 * enum dcbnl_attrs - DCB top-level netlink attributes
256 *
257 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
258 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
259 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
260 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
261 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
262 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
263 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
264 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
265 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
Alexander Duyck46132182008-11-20 21:05:08 -0800266 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800267 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800268 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
John Fastabend3e290272010-12-30 09:25:46 +0000269 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
Shmulik Ravid6241b622010-12-30 06:26:48 +0000270 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
Shmulik Ravidea45fe42010-12-30 06:26:55 +0000271 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +0000272 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
Alexander Duyck2f90b862008-11-20 20:52:10 -0800273 */
274enum dcbnl_attrs {
275 DCB_ATTR_UNDEFINED,
276
277 DCB_ATTR_IFNAME,
278 DCB_ATTR_STATE,
279 DCB_ATTR_PFC_STATE,
280 DCB_ATTR_PFC_CFG,
281 DCB_ATTR_NUM_TC,
282 DCB_ATTR_PG_CFG,
283 DCB_ATTR_SET_ALL,
284 DCB_ATTR_PERM_HWADDR,
Alexander Duyck46132182008-11-20 21:05:08 -0800285 DCB_ATTR_CAP,
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800286 DCB_ATTR_NUMTCS,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800287 DCB_ATTR_BCN,
Yi Zou0f6f2902009-08-31 12:32:34 +0000288 DCB_ATTR_APP,
Alexander Duyck2f90b862008-11-20 20:52:10 -0800289
John Fastabend3e290272010-12-30 09:25:46 +0000290 /* IEEE std attributes */
291 DCB_ATTR_IEEE,
292
Shmulik Ravid6241b622010-12-30 06:26:48 +0000293 DCB_ATTR_DCBX,
Shmulik Ravidea45fe42010-12-30 06:26:55 +0000294 DCB_ATTR_FEATCFG,
Shmulik Ravid6241b622010-12-30 06:26:48 +0000295
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +0000296 /* CEE nested attributes */
297 DCB_ATTR_CEE,
298
Alexander Duyck2f90b862008-11-20 20:52:10 -0800299 __DCB_ATTR_ENUM_MAX,
300 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
301};
302
Shmulik Ravideed84712011-02-27 05:04:31 +0000303/**
304 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
305 *
306 * @DCB_ATTR_IEEE_UNSPEC: unspecified
307 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
308 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
309 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
310 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
311 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
312 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
313 */
John Fastabend3e290272010-12-30 09:25:46 +0000314enum ieee_attrs {
315 DCB_ATTR_IEEE_UNSPEC,
316 DCB_ATTR_IEEE_ETS,
317 DCB_ATTR_IEEE_PFC,
318 DCB_ATTR_IEEE_APP_TABLE,
Shmulik Ravideed84712011-02-27 05:04:31 +0000319 DCB_ATTR_IEEE_PEER_ETS,
320 DCB_ATTR_IEEE_PEER_PFC,
321 DCB_ATTR_IEEE_PEER_APP,
John Fastabend3e290272010-12-30 09:25:46 +0000322 __DCB_ATTR_IEEE_MAX
323};
324#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
325
326enum ieee_attrs_app {
327 DCB_ATTR_IEEE_APP_UNSPEC,
328 DCB_ATTR_IEEE_APP,
329 __DCB_ATTR_IEEE_APP_MAX
330};
331#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
332
Alexander Duyck2f90b862008-11-20 20:52:10 -0800333/**
Shmulik Raviddc6ed1d2011-02-27 05:04:38 +0000334 * enum cee_attrs - CEE DCBX get attributes
335 *
336 * @DCB_ATTR_CEE_UNSPEC: unspecified
337 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
338 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
339 * @DCB_ATTR_CEE_PEER_APP: peer APP tlv - get only
340 */
341enum cee_attrs {
342 DCB_ATTR_CEE_UNSPEC,
343 DCB_ATTR_CEE_PEER_PG,
344 DCB_ATTR_CEE_PEER_PFC,
345 DCB_ATTR_CEE_PEER_APP_TABLE,
346 __DCB_ATTR_CEE_MAX
347};
348#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
349
350enum peer_app_attr {
351 DCB_ATTR_CEE_PEER_APP_UNSPEC,
352 DCB_ATTR_CEE_PEER_APP_INFO,
353 DCB_ATTR_CEE_PEER_APP,
354 __DCB_ATTR_CEE_PEER_APP_MAX
355};
356#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
357
358/**
Alexander Duyck2f90b862008-11-20 20:52:10 -0800359 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
360 *
361 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
362 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
363 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
364 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
365 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
366 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
367 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
368 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
369 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
370 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
371 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
372 *
373 */
374enum dcbnl_pfc_up_attrs {
375 DCB_PFC_UP_ATTR_UNDEFINED,
376
377 DCB_PFC_UP_ATTR_0,
378 DCB_PFC_UP_ATTR_1,
379 DCB_PFC_UP_ATTR_2,
380 DCB_PFC_UP_ATTR_3,
381 DCB_PFC_UP_ATTR_4,
382 DCB_PFC_UP_ATTR_5,
383 DCB_PFC_UP_ATTR_6,
384 DCB_PFC_UP_ATTR_7,
385 DCB_PFC_UP_ATTR_ALL,
386
387 __DCB_PFC_UP_ATTR_ENUM_MAX,
388 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
389};
390
391/**
392 * enum dcbnl_pg_attrs - DCB Priority Group attributes
393 *
394 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
395 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
396 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
397 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
398 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
399 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
400 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
401 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
402 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
403 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
404 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
405 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
406 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
407 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
408 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
409 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
410 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
411 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
412 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
413 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
414 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
415 *
416 */
417enum dcbnl_pg_attrs {
418 DCB_PG_ATTR_UNDEFINED,
419
420 DCB_PG_ATTR_TC_0,
421 DCB_PG_ATTR_TC_1,
422 DCB_PG_ATTR_TC_2,
423 DCB_PG_ATTR_TC_3,
424 DCB_PG_ATTR_TC_4,
425 DCB_PG_ATTR_TC_5,
426 DCB_PG_ATTR_TC_6,
427 DCB_PG_ATTR_TC_7,
428 DCB_PG_ATTR_TC_MAX,
429 DCB_PG_ATTR_TC_ALL,
430
431 DCB_PG_ATTR_BW_ID_0,
432 DCB_PG_ATTR_BW_ID_1,
433 DCB_PG_ATTR_BW_ID_2,
434 DCB_PG_ATTR_BW_ID_3,
435 DCB_PG_ATTR_BW_ID_4,
436 DCB_PG_ATTR_BW_ID_5,
437 DCB_PG_ATTR_BW_ID_6,
438 DCB_PG_ATTR_BW_ID_7,
439 DCB_PG_ATTR_BW_ID_MAX,
440 DCB_PG_ATTR_BW_ID_ALL,
441
442 __DCB_PG_ATTR_ENUM_MAX,
443 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
444};
445
446/**
447 * enum dcbnl_tc_attrs - DCB Traffic Class attributes
448 *
449 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
450 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
451 * Valid values are: 0-7
452 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
453 * Some devices may not support changing the
454 * user priority map of a TC.
455 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
456 * 0 - none
457 * 1 - group strict
458 * 2 - link strict
459 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
460 * not configured to use link strict priority,
461 * this is the percentage of bandwidth of the
462 * priority group this traffic class belongs to
463 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
464 *
465 */
466enum dcbnl_tc_attrs {
467 DCB_TC_ATTR_PARAM_UNDEFINED,
468
469 DCB_TC_ATTR_PARAM_PGID,
470 DCB_TC_ATTR_PARAM_UP_MAPPING,
471 DCB_TC_ATTR_PARAM_STRICT_PRIO,
472 DCB_TC_ATTR_PARAM_BW_PCT,
473 DCB_TC_ATTR_PARAM_ALL,
474
475 __DCB_TC_ATTR_PARAM_ENUM_MAX,
476 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
477};
478
479/**
Alexander Duyck46132182008-11-20 21:05:08 -0800480 * enum dcbnl_cap_attrs - DCB Capability attributes
481 *
482 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
483 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
484 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
485 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
486 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
487 * traffic class mapping
488 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
489 * number of traffic classes the device
490 * can be configured to use for Priority Groups
491 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
492 * number of traffic classes the device can be
493 * configured to use for Priority Flow Control
494 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
495 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
496 * Notification
Shmulik Ravid6241b622010-12-30 06:26:48 +0000497 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
498 *
Alexander Duyck46132182008-11-20 21:05:08 -0800499 */
500enum dcbnl_cap_attrs {
501 DCB_CAP_ATTR_UNDEFINED,
502 DCB_CAP_ATTR_ALL,
503 DCB_CAP_ATTR_PG,
504 DCB_CAP_ATTR_PFC,
505 DCB_CAP_ATTR_UP2TC,
506 DCB_CAP_ATTR_PG_TCS,
507 DCB_CAP_ATTR_PFC_TCS,
508 DCB_CAP_ATTR_GSP,
509 DCB_CAP_ATTR_BCN,
Shmulik Ravid6241b622010-12-30 06:26:48 +0000510 DCB_CAP_ATTR_DCBX,
Alexander Duyck46132182008-11-20 21:05:08 -0800511
512 __DCB_CAP_ATTR_ENUM_MAX,
513 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
514};
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800515
516/**
Shmulik Ravid6241b622010-12-30 06:26:48 +0000517 * DCBX capability flags
518 *
519 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
520 * 'set' routines are used to configure the device with
521 * the negotiated parameters
522 *
523 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
524 * by another entity
525 * 'get' routines are used to retrieve the
526 * negotiated parameters
527 * 'set' routines can be used to set the initial
528 * negotiation configuration
529 *
530 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
531 * supports the CEE protocol flavor
532 *
533 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
534 * supports the IEEE protocol flavor
535 *
536 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
537 * supports static configuration (i.e no actual
538 * negotiation is performed negotiated parameters equal
539 * the initial configuration)
540 *
541 */
542#define DCB_CAP_DCBX_HOST 0x01
543#define DCB_CAP_DCBX_LLD_MANAGED 0x02
544#define DCB_CAP_DCBX_VER_CEE 0x04
545#define DCB_CAP_DCBX_VER_IEEE 0x08
546#define DCB_CAP_DCBX_STATIC 0x10
547
548/**
Alexander Duyck33dbabc2008-11-20 21:08:19 -0800549 * enum dcbnl_numtcs_attrs - number of traffic classes
550 *
551 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
552 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
553 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
554 * priority groups
555 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
556 * support priority flow control
557 */
558enum dcbnl_numtcs_attrs {
559 DCB_NUMTCS_ATTR_UNDEFINED,
560 DCB_NUMTCS_ATTR_ALL,
561 DCB_NUMTCS_ATTR_PG,
562 DCB_NUMTCS_ATTR_PFC,
563
564 __DCB_NUMTCS_ATTR_ENUM_MAX,
565 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
566};
567
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800568enum dcbnl_bcn_attrs{
569 DCB_BCN_ATTR_UNDEFINED = 0,
570
571 DCB_BCN_ATTR_RP_0,
572 DCB_BCN_ATTR_RP_1,
573 DCB_BCN_ATTR_RP_2,
574 DCB_BCN_ATTR_RP_3,
575 DCB_BCN_ATTR_RP_4,
576 DCB_BCN_ATTR_RP_5,
577 DCB_BCN_ATTR_RP_6,
578 DCB_BCN_ATTR_RP_7,
579 DCB_BCN_ATTR_RP_ALL,
580
Don Skidmoref4314e82008-12-21 20:10:29 -0800581 DCB_BCN_ATTR_BCNA_0,
582 DCB_BCN_ATTR_BCNA_1,
Alexander Duyck859ee3c2008-11-20 21:10:23 -0800583 DCB_BCN_ATTR_ALPHA,
584 DCB_BCN_ATTR_BETA,
585 DCB_BCN_ATTR_GD,
586 DCB_BCN_ATTR_GI,
587 DCB_BCN_ATTR_TMAX,
588 DCB_BCN_ATTR_TD,
589 DCB_BCN_ATTR_RMIN,
590 DCB_BCN_ATTR_W,
591 DCB_BCN_ATTR_RD,
592 DCB_BCN_ATTR_RU,
593 DCB_BCN_ATTR_WRTT,
594 DCB_BCN_ATTR_RI,
595 DCB_BCN_ATTR_C,
596 DCB_BCN_ATTR_ALL,
597
598 __DCB_BCN_ATTR_ENUM_MAX,
599 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
600};
601
Alexander Duyck46132182008-11-20 21:05:08 -0800602/**
Alexander Duyck2f90b862008-11-20 20:52:10 -0800603 * enum dcb_general_attr_values - general DCB attribute values
604 *
605 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
606 *
607 */
608enum dcb_general_attr_values {
609 DCB_ATTR_VALUE_UNDEFINED = 0xff
610};
611
Yi Zou0f6f2902009-08-31 12:32:34 +0000612#define DCB_APP_IDTYPE_ETHTYPE 0x00
613#define DCB_APP_IDTYPE_PORTNUM 0x01
614enum dcbnl_app_attrs {
615 DCB_APP_ATTR_UNDEFINED,
616
617 DCB_APP_ATTR_IDTYPE,
618 DCB_APP_ATTR_ID,
619 DCB_APP_ATTR_PRIORITY,
620
621 __DCB_APP_ATTR_ENUM_MAX,
622 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
623};
Alexander Duyck2f90b862008-11-20 20:52:10 -0800624
Shmulik Ravidea45fe42010-12-30 06:26:55 +0000625/**
626 * enum dcbnl_featcfg_attrs - features conifiguration flags
627 *
628 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
629 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
630 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
631 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
632 * flow control
633 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
634 *
635 */
636#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */
637#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */
638#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */
639#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */
640enum dcbnl_featcfg_attrs {
641 DCB_FEATCFG_ATTR_UNDEFINED,
642 DCB_FEATCFG_ATTR_ALL,
643 DCB_FEATCFG_ATTR_PG,
644 DCB_FEATCFG_ATTR_PFC,
645 DCB_FEATCFG_ATTR_APP,
646
647 __DCB_FEATCFG_ATTR_ENUM_MAX,
648 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
649};
650
Alexander Duyck2f90b862008-11-20 20:52:10 -0800651#endif /* __LINUX_DCBNL_H__ */