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 | /* Non-std selector values */ |
222 | #define DCB_APP_SEL_PCP 255 |
223 | |
224 | /* This structure contains the IEEE 802.1Qaz APP managed object. This |
225 | * object is also used for the CEE std as well. |
226 | * |
227 | * @selector: protocol identifier type |
228 | * @protocol: protocol of type indicated |
229 | * @priority: 3-bit unsigned integer indicating priority for IEEE |
230 | * 8-bit 802.1p user priority bitmap for CEE |
231 | * |
232 | * ---- |
233 | * Selector field values for IEEE 802.1Qaz |
234 | * 0 Reserved |
235 | * 1 Ethertype |
236 | * 2 Well known port number over TCP or SCTP |
237 | * 3 Well known port number over UDP or DCCP |
238 | * 4 Well known port number over TCP, SCTP, UDP, or DCCP |
239 | * 5 Differentiated Services Code Point (DSCP) value |
240 | * 6-7 Reserved |
241 | * |
242 | * Selector field values for CEE |
243 | * 0 Ethertype |
244 | * 1 Well known port number over TCP or UDP |
245 | * 2-3 Reserved |
246 | */ |
247 | struct dcb_app { |
248 | __u8 selector; |
249 | __u8 priority; |
250 | __u16 protocol; |
251 | }; |
252 | |
253 | #define IEEE_8021QAZ_APP_SEL_MAX 255 |
254 | |
255 | /** |
256 | * struct dcb_peer_app_info - APP feature information sent by the peer |
257 | * |
258 | * @willing: willing bit in the peer APP tlv |
259 | * @error: error bit in the peer APP tlv |
260 | * |
261 | * In addition to this information the full peer APP tlv also contains |
262 | * a table of 'app_count' APP objects defined above. |
263 | */ |
264 | struct dcb_peer_app_info { |
265 | __u8 willing; |
266 | __u8 error; |
267 | }; |
268 | |
269 | struct dcbmsg { |
270 | __u8 dcb_family; |
271 | __u8 cmd; |
272 | __u16 dcb_pad; |
273 | }; |
274 | |
275 | /** |
276 | * enum dcbnl_commands - supported DCB commands |
277 | * |
278 | * @DCB_CMD_UNDEFINED: unspecified command to catch errors |
279 | * @DCB_CMD_GSTATE: request the state of DCB in the device |
280 | * @DCB_CMD_SSTATE: set the state of DCB in the device |
281 | * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx |
282 | * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx |
283 | * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx |
284 | * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx |
285 | * @DCB_CMD_PFC_GCFG: request the priority flow control configuration |
286 | * @DCB_CMD_PFC_SCFG: set the priority flow control configuration |
287 | * @DCB_CMD_SET_ALL: apply all changes to the underlying device |
288 | * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying |
289 | * device. Only useful when using bonding. |
290 | * @DCB_CMD_GCAP: request the DCB capabilities of the device |
291 | * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported |
292 | * @DCB_CMD_SNUMTCS: set the number of traffic classes |
293 | * @DCB_CMD_GBCN: set backward congestion notification configuration |
294 | * @DCB_CMD_SBCN: get backward congestion notification configuration. |
295 | * @DCB_CMD_GAPP: get application protocol configuration |
296 | * @DCB_CMD_SAPP: set application protocol configuration |
297 | * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration |
298 | * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration |
299 | * @DCB_CMD_GDCBX: get DCBX engine configuration |
300 | * @DCB_CMD_SDCBX: set DCBX engine configuration |
301 | * @DCB_CMD_GFEATCFG: get DCBX features flags |
302 | * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags |
303 | * @DCB_CMD_CEE_GET: get CEE aggregated configuration |
304 | * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration |
305 | */ |
306 | enum dcbnl_commands { |
307 | DCB_CMD_UNDEFINED, |
308 | |
309 | DCB_CMD_GSTATE, |
310 | DCB_CMD_SSTATE, |
311 | |
312 | DCB_CMD_PGTX_GCFG, |
313 | DCB_CMD_PGTX_SCFG, |
314 | DCB_CMD_PGRX_GCFG, |
315 | DCB_CMD_PGRX_SCFG, |
316 | |
317 | DCB_CMD_PFC_GCFG, |
318 | DCB_CMD_PFC_SCFG, |
319 | |
320 | DCB_CMD_SET_ALL, |
321 | |
322 | DCB_CMD_GPERM_HWADDR, |
323 | |
324 | DCB_CMD_GCAP, |
325 | |
326 | DCB_CMD_GNUMTCS, |
327 | DCB_CMD_SNUMTCS, |
328 | |
329 | DCB_CMD_PFC_GSTATE, |
330 | DCB_CMD_PFC_SSTATE, |
331 | |
332 | DCB_CMD_BCN_GCFG, |
333 | DCB_CMD_BCN_SCFG, |
334 | |
335 | DCB_CMD_GAPP, |
336 | DCB_CMD_SAPP, |
337 | |
338 | DCB_CMD_IEEE_SET, |
339 | DCB_CMD_IEEE_GET, |
340 | |
341 | DCB_CMD_GDCBX, |
342 | DCB_CMD_SDCBX, |
343 | |
344 | DCB_CMD_GFEATCFG, |
345 | DCB_CMD_SFEATCFG, |
346 | |
347 | DCB_CMD_CEE_GET, |
348 | DCB_CMD_IEEE_DEL, |
349 | |
350 | __DCB_CMD_ENUM_MAX, |
351 | DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, |
352 | }; |
353 | |
354 | /** |
355 | * enum dcbnl_attrs - DCB top-level netlink attributes |
356 | * |
357 | * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors |
358 | * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) |
359 | * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) |
360 | * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) |
361 | * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) |
362 | * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) |
363 | * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) |
364 | * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) |
365 | * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) |
366 | * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) |
367 | * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) |
368 | * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) |
369 | * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) |
370 | * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) |
371 | * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) |
372 | * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) |
373 | */ |
374 | enum dcbnl_attrs { |
375 | DCB_ATTR_UNDEFINED, |
376 | |
377 | DCB_ATTR_IFNAME, |
378 | DCB_ATTR_STATE, |
379 | DCB_ATTR_PFC_STATE, |
380 | DCB_ATTR_PFC_CFG, |
381 | DCB_ATTR_NUM_TC, |
382 | DCB_ATTR_PG_CFG, |
383 | DCB_ATTR_SET_ALL, |
384 | DCB_ATTR_PERM_HWADDR, |
385 | DCB_ATTR_CAP, |
386 | DCB_ATTR_NUMTCS, |
387 | DCB_ATTR_BCN, |
388 | DCB_ATTR_APP, |
389 | |
390 | /* IEEE std attributes */ |
391 | DCB_ATTR_IEEE, |
392 | |
393 | DCB_ATTR_DCBX, |
394 | DCB_ATTR_FEATCFG, |
395 | |
396 | /* CEE nested attributes */ |
397 | DCB_ATTR_CEE, |
398 | |
399 | __DCB_ATTR_ENUM_MAX, |
400 | DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, |
401 | }; |
402 | |
403 | /** |
404 | * enum ieee_attrs - IEEE 802.1Qaz get/set attributes |
405 | * |
406 | * @DCB_ATTR_IEEE_UNSPEC: unspecified |
407 | * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration |
408 | * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration |
409 | * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration |
410 | * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only |
411 | * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only |
412 | * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only |
413 | * @DCB_ATTR_DCB_APP_TRUST_TABLE: selector trust table |
414 | * @DCB_ATTR_DCB_REWR_TABLE: rewrite configuration |
415 | */ |
416 | enum ieee_attrs { |
417 | DCB_ATTR_IEEE_UNSPEC, |
418 | DCB_ATTR_IEEE_ETS, |
419 | DCB_ATTR_IEEE_PFC, |
420 | DCB_ATTR_IEEE_APP_TABLE, |
421 | DCB_ATTR_IEEE_PEER_ETS, |
422 | DCB_ATTR_IEEE_PEER_PFC, |
423 | DCB_ATTR_IEEE_PEER_APP, |
424 | DCB_ATTR_IEEE_MAXRATE, |
425 | DCB_ATTR_IEEE_QCN, |
426 | DCB_ATTR_IEEE_QCN_STATS, |
427 | DCB_ATTR_DCB_BUFFER, |
428 | DCB_ATTR_DCB_APP_TRUST_TABLE, |
429 | DCB_ATTR_DCB_REWR_TABLE, |
430 | __DCB_ATTR_IEEE_MAX |
431 | }; |
432 | #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) |
433 | |
434 | enum ieee_attrs_app { |
435 | DCB_ATTR_IEEE_APP_UNSPEC, |
436 | DCB_ATTR_IEEE_APP, |
437 | DCB_ATTR_DCB_APP, |
438 | __DCB_ATTR_IEEE_APP_MAX |
439 | }; |
440 | #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) |
441 | |
442 | /** |
443 | * enum cee_attrs - CEE DCBX get attributes. |
444 | * |
445 | * @DCB_ATTR_CEE_UNSPEC: unspecified |
446 | * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only |
447 | * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only |
448 | * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only |
449 | * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) |
450 | * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) |
451 | * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) |
452 | * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) |
453 | * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) |
454 | * |
455 | * An aggregated collection of the cee std negotiated parameters. |
456 | */ |
457 | enum cee_attrs { |
458 | DCB_ATTR_CEE_UNSPEC, |
459 | DCB_ATTR_CEE_PEER_PG, |
460 | DCB_ATTR_CEE_PEER_PFC, |
461 | DCB_ATTR_CEE_PEER_APP_TABLE, |
462 | DCB_ATTR_CEE_TX_PG, |
463 | DCB_ATTR_CEE_RX_PG, |
464 | DCB_ATTR_CEE_PFC, |
465 | DCB_ATTR_CEE_APP_TABLE, |
466 | DCB_ATTR_CEE_FEAT, |
467 | __DCB_ATTR_CEE_MAX |
468 | }; |
469 | #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) |
470 | |
471 | enum peer_app_attr { |
472 | DCB_ATTR_CEE_PEER_APP_UNSPEC, |
473 | DCB_ATTR_CEE_PEER_APP_INFO, |
474 | DCB_ATTR_CEE_PEER_APP, |
475 | __DCB_ATTR_CEE_PEER_APP_MAX |
476 | }; |
477 | #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) |
478 | |
479 | enum cee_attrs_app { |
480 | DCB_ATTR_CEE_APP_UNSPEC, |
481 | DCB_ATTR_CEE_APP, |
482 | __DCB_ATTR_CEE_APP_MAX |
483 | }; |
484 | #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) |
485 | |
486 | /** |
487 | * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs |
488 | * |
489 | * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors |
490 | * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) |
491 | * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) |
492 | * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) |
493 | * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) |
494 | * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) |
495 | * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) |
496 | * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) |
497 | * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) |
498 | * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined |
499 | * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) |
500 | * |
501 | */ |
502 | enum dcbnl_pfc_up_attrs { |
503 | DCB_PFC_UP_ATTR_UNDEFINED, |
504 | |
505 | DCB_PFC_UP_ATTR_0, |
506 | DCB_PFC_UP_ATTR_1, |
507 | DCB_PFC_UP_ATTR_2, |
508 | DCB_PFC_UP_ATTR_3, |
509 | DCB_PFC_UP_ATTR_4, |
510 | DCB_PFC_UP_ATTR_5, |
511 | DCB_PFC_UP_ATTR_6, |
512 | DCB_PFC_UP_ATTR_7, |
513 | DCB_PFC_UP_ATTR_ALL, |
514 | |
515 | __DCB_PFC_UP_ATTR_ENUM_MAX, |
516 | DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, |
517 | }; |
518 | |
519 | /** |
520 | * enum dcbnl_pg_attrs - DCB Priority Group attributes |
521 | * |
522 | * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors |
523 | * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) |
524 | * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) |
525 | * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) |
526 | * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) |
527 | * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) |
528 | * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) |
529 | * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) |
530 | * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) |
531 | * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined |
532 | * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) |
533 | * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) |
534 | * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) |
535 | * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) |
536 | * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) |
537 | * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) |
538 | * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) |
539 | * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) |
540 | * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) |
541 | * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined |
542 | * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) |
543 | * |
544 | */ |
545 | enum dcbnl_pg_attrs { |
546 | DCB_PG_ATTR_UNDEFINED, |
547 | |
548 | DCB_PG_ATTR_TC_0, |
549 | DCB_PG_ATTR_TC_1, |
550 | DCB_PG_ATTR_TC_2, |
551 | DCB_PG_ATTR_TC_3, |
552 | DCB_PG_ATTR_TC_4, |
553 | DCB_PG_ATTR_TC_5, |
554 | DCB_PG_ATTR_TC_6, |
555 | DCB_PG_ATTR_TC_7, |
556 | DCB_PG_ATTR_TC_MAX, |
557 | DCB_PG_ATTR_TC_ALL, |
558 | |
559 | DCB_PG_ATTR_BW_ID_0, |
560 | DCB_PG_ATTR_BW_ID_1, |
561 | DCB_PG_ATTR_BW_ID_2, |
562 | DCB_PG_ATTR_BW_ID_3, |
563 | DCB_PG_ATTR_BW_ID_4, |
564 | DCB_PG_ATTR_BW_ID_5, |
565 | DCB_PG_ATTR_BW_ID_6, |
566 | DCB_PG_ATTR_BW_ID_7, |
567 | DCB_PG_ATTR_BW_ID_MAX, |
568 | DCB_PG_ATTR_BW_ID_ALL, |
569 | |
570 | __DCB_PG_ATTR_ENUM_MAX, |
571 | DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, |
572 | }; |
573 | |
574 | /** |
575 | * enum dcbnl_tc_attrs - DCB Traffic Class attributes |
576 | * |
577 | * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors |
578 | * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to |
579 | * Valid values are: 0-7 |
580 | * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map |
581 | * Some devices may not support changing the |
582 | * user priority map of a TC. |
583 | * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting |
584 | * 0 - none |
585 | * 1 - group strict |
586 | * 2 - link strict |
587 | * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and |
588 | * not configured to use link strict priority, |
589 | * this is the percentage of bandwidth of the |
590 | * priority group this traffic class belongs to |
591 | * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters |
592 | * |
593 | */ |
594 | enum dcbnl_tc_attrs { |
595 | DCB_TC_ATTR_PARAM_UNDEFINED, |
596 | |
597 | DCB_TC_ATTR_PARAM_PGID, |
598 | DCB_TC_ATTR_PARAM_UP_MAPPING, |
599 | DCB_TC_ATTR_PARAM_STRICT_PRIO, |
600 | DCB_TC_ATTR_PARAM_BW_PCT, |
601 | DCB_TC_ATTR_PARAM_ALL, |
602 | |
603 | __DCB_TC_ATTR_PARAM_ENUM_MAX, |
604 | DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, |
605 | }; |
606 | |
607 | /** |
608 | * enum dcbnl_cap_attrs - DCB Capability attributes |
609 | * |
610 | * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors |
611 | * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters |
612 | * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups |
613 | * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control |
614 | * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to |
615 | * traffic class mapping |
616 | * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a |
617 | * number of traffic classes the device |
618 | * can be configured to use for Priority Groups |
619 | * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a |
620 | * number of traffic classes the device can be |
621 | * configured to use for Priority Flow Control |
622 | * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority |
623 | * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion |
624 | * Notification |
625 | * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine |
626 | * |
627 | */ |
628 | enum dcbnl_cap_attrs { |
629 | DCB_CAP_ATTR_UNDEFINED, |
630 | DCB_CAP_ATTR_ALL, |
631 | DCB_CAP_ATTR_PG, |
632 | DCB_CAP_ATTR_PFC, |
633 | DCB_CAP_ATTR_UP2TC, |
634 | DCB_CAP_ATTR_PG_TCS, |
635 | DCB_CAP_ATTR_PFC_TCS, |
636 | DCB_CAP_ATTR_GSP, |
637 | DCB_CAP_ATTR_BCN, |
638 | DCB_CAP_ATTR_DCBX, |
639 | |
640 | __DCB_CAP_ATTR_ENUM_MAX, |
641 | DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, |
642 | }; |
643 | |
644 | /** |
645 | * DCBX capability flags |
646 | * |
647 | * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. |
648 | * 'set' routines are used to configure the device with |
649 | * the negotiated parameters |
650 | * |
651 | * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but |
652 | * by another entity |
653 | * 'get' routines are used to retrieve the |
654 | * negotiated parameters |
655 | * 'set' routines can be used to set the initial |
656 | * negotiation configuration |
657 | * |
658 | * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine |
659 | * supports the CEE protocol flavor |
660 | * |
661 | * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine |
662 | * supports the IEEE protocol flavor |
663 | * |
664 | * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine |
665 | * supports static configuration (i.e no actual |
666 | * negotiation is performed negotiated parameters equal |
667 | * the initial configuration) |
668 | * |
669 | */ |
670 | #define DCB_CAP_DCBX_HOST 0x01 |
671 | #define DCB_CAP_DCBX_LLD_MANAGED 0x02 |
672 | #define DCB_CAP_DCBX_VER_CEE 0x04 |
673 | #define DCB_CAP_DCBX_VER_IEEE 0x08 |
674 | #define DCB_CAP_DCBX_STATIC 0x10 |
675 | |
676 | /** |
677 | * enum dcbnl_numtcs_attrs - number of traffic classes |
678 | * |
679 | * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors |
680 | * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes |
681 | * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for |
682 | * priority groups |
683 | * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can |
684 | * support priority flow control |
685 | */ |
686 | enum dcbnl_numtcs_attrs { |
687 | DCB_NUMTCS_ATTR_UNDEFINED, |
688 | DCB_NUMTCS_ATTR_ALL, |
689 | DCB_NUMTCS_ATTR_PG, |
690 | DCB_NUMTCS_ATTR_PFC, |
691 | |
692 | __DCB_NUMTCS_ATTR_ENUM_MAX, |
693 | DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, |
694 | }; |
695 | |
696 | enum dcbnl_bcn_attrs{ |
697 | DCB_BCN_ATTR_UNDEFINED = 0, |
698 | |
699 | DCB_BCN_ATTR_RP_0, |
700 | DCB_BCN_ATTR_RP_1, |
701 | DCB_BCN_ATTR_RP_2, |
702 | DCB_BCN_ATTR_RP_3, |
703 | DCB_BCN_ATTR_RP_4, |
704 | DCB_BCN_ATTR_RP_5, |
705 | DCB_BCN_ATTR_RP_6, |
706 | DCB_BCN_ATTR_RP_7, |
707 | DCB_BCN_ATTR_RP_ALL, |
708 | |
709 | DCB_BCN_ATTR_BCNA_0, |
710 | DCB_BCN_ATTR_BCNA_1, |
711 | DCB_BCN_ATTR_ALPHA, |
712 | DCB_BCN_ATTR_BETA, |
713 | DCB_BCN_ATTR_GD, |
714 | DCB_BCN_ATTR_GI, |
715 | DCB_BCN_ATTR_TMAX, |
716 | DCB_BCN_ATTR_TD, |
717 | DCB_BCN_ATTR_RMIN, |
718 | DCB_BCN_ATTR_W, |
719 | DCB_BCN_ATTR_RD, |
720 | DCB_BCN_ATTR_RU, |
721 | DCB_BCN_ATTR_WRTT, |
722 | DCB_BCN_ATTR_RI, |
723 | DCB_BCN_ATTR_C, |
724 | DCB_BCN_ATTR_ALL, |
725 | |
726 | __DCB_BCN_ATTR_ENUM_MAX, |
727 | DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, |
728 | }; |
729 | |
730 | /** |
731 | * enum dcb_general_attr_values - general DCB attribute values |
732 | * |
733 | * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported |
734 | * |
735 | */ |
736 | enum dcb_general_attr_values { |
737 | DCB_ATTR_VALUE_UNDEFINED = 0xff |
738 | }; |
739 | |
740 | #define DCB_APP_IDTYPE_ETHTYPE 0x00 |
741 | #define DCB_APP_IDTYPE_PORTNUM 0x01 |
742 | enum dcbnl_app_attrs { |
743 | DCB_APP_ATTR_UNDEFINED, |
744 | |
745 | DCB_APP_ATTR_IDTYPE, |
746 | DCB_APP_ATTR_ID, |
747 | DCB_APP_ATTR_PRIORITY, |
748 | |
749 | __DCB_APP_ATTR_ENUM_MAX, |
750 | DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, |
751 | }; |
752 | |
753 | /** |
754 | * enum dcbnl_featcfg_attrs - features conifiguration flags |
755 | * |
756 | * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors |
757 | * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes |
758 | * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups |
759 | * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority |
760 | * flow control |
761 | * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV |
762 | * |
763 | */ |
764 | #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ |
765 | #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ |
766 | #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ |
767 | #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ |
768 | enum dcbnl_featcfg_attrs { |
769 | DCB_FEATCFG_ATTR_UNDEFINED, |
770 | DCB_FEATCFG_ATTR_ALL, |
771 | DCB_FEATCFG_ATTR_PG, |
772 | DCB_FEATCFG_ATTR_PFC, |
773 | DCB_FEATCFG_ATTR_APP, |
774 | |
775 | __DCB_FEATCFG_ATTR_ENUM_MAX, |
776 | DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, |
777 | }; |
778 | |
779 | #endif /* __LINUX_DCBNL_H__ */ |
780 | |