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34#if !defined(CM_MSGS_H)
35#define CM_MSGS_H
36
37#include <rdma/ib_mad.h>
38#include <rdma/ib_cm.h>
39
40
41
42
43
44
45#define IB_CM_CLASS_VERSION 2
46
47struct cm_req_msg {
48 struct ib_mad_hdr hdr;
49
50 __be32 local_comm_id;
51 __be32 rsvd4;
52 __be64 service_id;
53 __be64 local_ca_guid;
54 __be32 rsvd24;
55 __be32 local_qkey;
56
57 __be32 offset32;
58
59 __be32 offset36;
60
61
62
63
64 __be32 offset40;
65
66 __be32 offset44;
67 __be16 pkey;
68
69 u8 offset50;
70
71 u8 offset51;
72
73 __be16 primary_local_lid;
74 __be16 primary_remote_lid;
75 union ib_gid primary_local_gid;
76 union ib_gid primary_remote_gid;
77
78 __be32 primary_offset88;
79 u8 primary_traffic_class;
80 u8 primary_hop_limit;
81
82 u8 primary_offset94;
83
84 u8 primary_offset95;
85
86 __be16 alt_local_lid;
87 __be16 alt_remote_lid;
88 union ib_gid alt_local_gid;
89 union ib_gid alt_remote_gid;
90
91 __be32 alt_offset132;
92 u8 alt_traffic_class;
93 u8 alt_hop_limit;
94
95 u8 alt_offset138;
96
97 u8 alt_offset139;
98
99 u32 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
100
101} __packed;
102
103static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
104{
105 return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8);
106}
107
108static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn)
109{
110 req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
111 (be32_to_cpu(req_msg->offset32) &
112 0x000000FF));
113}
114
115static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg)
116{
117 return (u8) be32_to_cpu(req_msg->offset32);
118}
119
120static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res)
121{
122 req_msg->offset32 = cpu_to_be32(resp_res |
123 (be32_to_cpu(req_msg->offset32) &
124 0xFFFFFF00));
125}
126
127static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg)
128{
129 return (u8) be32_to_cpu(req_msg->offset36);
130}
131
132static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg,
133 u8 init_depth)
134{
135 req_msg->offset36 = cpu_to_be32(init_depth |
136 (be32_to_cpu(req_msg->offset36) &
137 0xFFFFFF00));
138}
139
140static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg)
141{
142 return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3);
143}
144
145static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg,
146 u8 resp_timeout)
147{
148 req_msg->offset40 = cpu_to_be32((resp_timeout << 3) |
149 (be32_to_cpu(req_msg->offset40) &
150 0xFFFFFF07));
151}
152
153static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg)
154{
155 u8 transport_type = (u8) (be32_to_cpu(req_msg->offset40) & 0x06) >> 1;
156 switch(transport_type) {
157 case 0: return IB_QPT_RC;
158 case 1: return IB_QPT_UC;
159 case 3:
160 switch (req_msg->offset51 & 0x7) {
161 case 1: return IB_QPT_XRC_TGT;
162 default: return 0;
163 }
164 default: return 0;
165 }
166}
167
168static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg,
169 enum ib_qp_type qp_type)
170{
171 switch(qp_type) {
172 case IB_QPT_UC:
173 req_msg->offset40 = cpu_to_be32((be32_to_cpu(
174 req_msg->offset40) &
175 0xFFFFFFF9) | 0x2);
176 break;
177 case IB_QPT_XRC_INI:
178 req_msg->offset40 = cpu_to_be32((be32_to_cpu(
179 req_msg->offset40) &
180 0xFFFFFFF9) | 0x6);
181 req_msg->offset51 = (req_msg->offset51 & 0xF8) | 1;
182 break;
183 default:
184 req_msg->offset40 = cpu_to_be32(be32_to_cpu(
185 req_msg->offset40) &
186 0xFFFFFFF9);
187 }
188}
189
190static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg)
191{
192 return be32_to_cpu(req_msg->offset40) & 0x1;
193}
194
195static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg,
196 u8 flow_ctrl)
197{
198 req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) |
199 (be32_to_cpu(req_msg->offset40) &
200 0xFFFFFFFE));
201}
202
203static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg)
204{
205 return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8);
206}
207
208static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg,
209 __be32 starting_psn)
210{
211 req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
212 (be32_to_cpu(req_msg->offset44) & 0x000000FF));
213}
214
215static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg)
216{
217 return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3);
218}
219
220static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg,
221 u8 resp_timeout)
222{
223 req_msg->offset44 = cpu_to_be32((resp_timeout << 3) |
224 (be32_to_cpu(req_msg->offset44) & 0xFFFFFF07));
225}
226
227static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg)
228{
229 return (u8) (be32_to_cpu(req_msg->offset44) & 0x7);
230}
231
232static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg,
233 u8 retry_count)
234{
235 req_msg->offset44 = cpu_to_be32((retry_count & 0x7) |
236 (be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8));
237}
238
239static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg)
240{
241 return req_msg->offset50 >> 4;
242}
243
244static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu)
245{
246 req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4));
247}
248
249static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg)
250{
251 return req_msg->offset50 & 0x7;
252}
253
254static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg,
255 u8 rnr_retry_count)
256{
257 req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) |
258 (rnr_retry_count & 0x7));
259}
260
261static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg)
262{
263 return req_msg->offset51 >> 4;
264}
265
266static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg,
267 u8 retries)
268{
269 req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4));
270}
271
272static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg)
273{
274 return (req_msg->offset51 & 0x8) >> 3;
275}
276
277static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq)
278{
279 req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) |
280 ((srq & 0x1) << 3));
281}
282
283static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg)
284{
285 return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12);
286}
287
288static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg,
289 __be32 flow_label)
290{
291 req_msg->primary_offset88 = cpu_to_be32(
292 (be32_to_cpu(req_msg->primary_offset88) &
293 0x00000FFF) |
294 (be32_to_cpu(flow_label) << 12));
295}
296
297static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg)
298{
299 return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F);
300}
301
302static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg,
303 u8 rate)
304{
305 req_msg->primary_offset88 = cpu_to_be32(
306 (be32_to_cpu(req_msg->primary_offset88) &
307 0xFFFFFFC0) | (rate & 0x3F));
308}
309
310static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg)
311{
312 return (u8) (req_msg->primary_offset94 >> 4);
313}
314
315static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl)
316{
317 req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) |
318 (sl << 4));
319}
320
321static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg)
322{
323 return (u8) ((req_msg->primary_offset94 & 0x08) >> 3);
324}
325
326static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg,
327 u8 subnet_local)
328{
329 req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) |
330 ((subnet_local & 0x1) << 3));
331}
332
333static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg)
334{
335 return (u8) (req_msg->primary_offset95 >> 3);
336}
337
338static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg,
339 u8 local_ack_timeout)
340{
341 req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) |
342 (local_ack_timeout << 3));
343}
344
345static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg)
346{
347 return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12);
348}
349
350static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg,
351 __be32 flow_label)
352{
353 req_msg->alt_offset132 = cpu_to_be32(
354 (be32_to_cpu(req_msg->alt_offset132) &
355 0x00000FFF) |
356 (be32_to_cpu(flow_label) << 12));
357}
358
359static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg)
360{
361 return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F);
362}
363
364static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg,
365 u8 rate)
366{
367 req_msg->alt_offset132 = cpu_to_be32(
368 (be32_to_cpu(req_msg->alt_offset132) &
369 0xFFFFFFC0) | (rate & 0x3F));
370}
371
372static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg)
373{
374 return (u8) (req_msg->alt_offset138 >> 4);
375}
376
377static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl)
378{
379 req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) |
380 (sl << 4));
381}
382
383static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg)
384{
385 return (u8) ((req_msg->alt_offset138 & 0x08) >> 3);
386}
387
388static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg,
389 u8 subnet_local)
390{
391 req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) |
392 ((subnet_local & 0x1) << 3));
393}
394
395static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg)
396{
397 return (u8) (req_msg->alt_offset139 >> 3);
398}
399
400static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg,
401 u8 local_ack_timeout)
402{
403 req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) |
404 (local_ack_timeout << 3));
405}
406
407
408enum cm_msg_response {
409 CM_MSG_RESPONSE_REQ = 0x0,
410 CM_MSG_RESPONSE_REP = 0x1,
411 CM_MSG_RESPONSE_OTHER = 0x2
412};
413
414 struct cm_mra_msg {
415 struct ib_mad_hdr hdr;
416
417 __be32 local_comm_id;
418 __be32 remote_comm_id;
419
420 u8 offset8;
421
422 u8 offset9;
423
424 u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE];
425
426} __packed;
427
428static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg)
429{
430 return (u8) (mra_msg->offset8 >> 6);
431}
432
433static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg)
434{
435 mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6));
436}
437
438static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg)
439{
440 return (u8) (mra_msg->offset9 >> 3);
441}
442
443static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg,
444 u8 service_timeout)
445{
446 mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) |
447 (service_timeout << 3));
448}
449
450struct cm_rej_msg {
451 struct ib_mad_hdr hdr;
452
453 __be32 local_comm_id;
454 __be32 remote_comm_id;
455
456 u8 offset8;
457
458 u8 offset9;
459 __be16 reason;
460 u8 ari[IB_CM_REJ_ARI_LENGTH];
461
462 u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
463
464} __packed;
465
466static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg)
467{
468 return (u8) (rej_msg->offset8 >> 6);
469}
470
471static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg)
472{
473 rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6));
474}
475
476static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg)
477{
478 return (u8) (rej_msg->offset9 >> 1);
479}
480
481static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg,
482 u8 len)
483{
484 rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1));
485}
486
487struct cm_rep_msg {
488 struct ib_mad_hdr hdr;
489
490 __be32 local_comm_id;
491 __be32 remote_comm_id;
492 __be32 local_qkey;
493
494 __be32 offset12;
495
496 __be32 offset16;
497
498 __be32 offset20;
499 u8 resp_resources;
500 u8 initiator_depth;
501
502 u8 offset26;
503
504 u8 offset27;
505 __be64 local_ca_guid;
506
507 u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
508
509} __packed;
510
511static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
512{
513 return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8);
514}
515
516static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn)
517{
518 rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
519 (be32_to_cpu(rep_msg->offset12) & 0x000000FF));
520}
521
522static inline __be32 cm_rep_get_local_eecn(struct cm_rep_msg *rep_msg)
523{
524 return cpu_to_be32(be32_to_cpu(rep_msg->offset16) >> 8);
525}
526
527static inline void cm_rep_set_local_eecn(struct cm_rep_msg *rep_msg, __be32 eecn)
528{
529 rep_msg->offset16 = cpu_to_be32((be32_to_cpu(eecn) << 8) |
530 (be32_to_cpu(rep_msg->offset16) & 0x000000FF));
531}
532
533static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type)
534{
535 return (qp_type == IB_QPT_XRC_INI) ?
536 cm_rep_get_local_eecn(rep_msg) : cm_rep_get_local_qpn(rep_msg);
537}
538
539static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
540{
541 return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8);
542}
543
544static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg,
545 __be32 starting_psn)
546{
547 rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
548 (be32_to_cpu(rep_msg->offset20) & 0x000000FF));
549}
550
551static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg)
552{
553 return (u8) (rep_msg->offset26 >> 3);
554}
555
556static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg,
557 u8 target_ack_delay)
558{
559 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) |
560 (target_ack_delay << 3));
561}
562
563static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg)
564{
565 return (u8) ((rep_msg->offset26 & 0x06) >> 1);
566}
567
568static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover)
569{
570 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) |
571 ((failover & 0x3) << 1));
572}
573
574static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg)
575{
576 return (u8) (rep_msg->offset26 & 0x01);
577}
578
579static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg,
580 u8 flow_ctrl)
581{
582 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) |
583 (flow_ctrl & 0x1));
584}
585
586static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg)
587{
588 return (u8) (rep_msg->offset27 >> 5);
589}
590
591static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg,
592 u8 rnr_retry_count)
593{
594 rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) |
595 (rnr_retry_count << 5));
596}
597
598static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg)
599{
600 return (u8) ((rep_msg->offset27 >> 4) & 0x1);
601}
602
603static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq)
604{
605 rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) |
606 ((srq & 0x1) << 4));
607}
608
609struct cm_rtu_msg {
610 struct ib_mad_hdr hdr;
611
612 __be32 local_comm_id;
613 __be32 remote_comm_id;
614
615 u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
616
617} __packed;
618
619struct cm_dreq_msg {
620 struct ib_mad_hdr hdr;
621
622 __be32 local_comm_id;
623 __be32 remote_comm_id;
624
625 __be32 offset8;
626
627 u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
628
629} __packed;
630
631static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
632{
633 return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8);
634}
635
636static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn)
637{
638 dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
639 (be32_to_cpu(dreq_msg->offset8) & 0x000000FF));
640}
641
642struct cm_drep_msg {
643 struct ib_mad_hdr hdr;
644
645 __be32 local_comm_id;
646 __be32 remote_comm_id;
647
648 u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
649
650} __packed;
651
652struct cm_lap_msg {
653 struct ib_mad_hdr hdr;
654
655 __be32 local_comm_id;
656 __be32 remote_comm_id;
657
658 __be32 rsvd8;
659
660 __be32 offset12;
661 __be32 rsvd16;
662
663 __be16 alt_local_lid;
664 __be16 alt_remote_lid;
665 union ib_gid alt_local_gid;
666 union ib_gid alt_remote_gid;
667
668 __be32 offset56;
669 u8 alt_hop_limit;
670
671 u8 offset61;
672
673 u8 offset62;
674
675 u8 offset63;
676
677 u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
678} __packed;
679
680static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
681{
682 return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8);
683}
684
685static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn)
686{
687 lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
688 (be32_to_cpu(lap_msg->offset12) &
689 0x000000FF));
690}
691
692static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg)
693{
694 return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3);
695}
696
697static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg,
698 u8 resp_timeout)
699{
700 lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) |
701 (be32_to_cpu(lap_msg->offset12) &
702 0xFFFFFF07));
703}
704
705static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg)
706{
707 return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12);
708}
709
710static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg,
711 __be32 flow_label)
712{
713 lap_msg->offset56 = cpu_to_be32(
714 (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) |
715 (be32_to_cpu(flow_label) << 12));
716}
717
718static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg)
719{
720 return (u8) be32_to_cpu(lap_msg->offset56);
721}
722
723static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg,
724 u8 traffic_class)
725{
726 lap_msg->offset56 = cpu_to_be32(traffic_class |
727 (be32_to_cpu(lap_msg->offset56) &
728 0xFFFFFF00));
729}
730
731static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg)
732{
733 return lap_msg->offset61 & 0x3F;
734}
735
736static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg,
737 u8 packet_rate)
738{
739 lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0);
740}
741
742static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg)
743{
744 return lap_msg->offset62 >> 4;
745}
746
747static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl)
748{
749 lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F);
750}
751
752static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg)
753{
754 return (lap_msg->offset62 >> 3) & 0x1;
755}
756
757static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg,
758 u8 subnet_local)
759{
760 lap_msg->offset62 = ((subnet_local & 0x1) << 3) |
761 (lap_msg->offset61 & 0xF7);
762}
763static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg)
764{
765 return lap_msg->offset63 >> 3;
766}
767
768static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg,
769 u8 local_ack_timeout)
770{
771 lap_msg->offset63 = (local_ack_timeout << 3) |
772 (lap_msg->offset63 & 0x07);
773}
774
775struct cm_apr_msg {
776 struct ib_mad_hdr hdr;
777
778 __be32 local_comm_id;
779 __be32 remote_comm_id;
780
781 u8 info_length;
782 u8 ap_status;
783 __be16 rsvd;
784 u8 info[IB_CM_APR_INFO_LENGTH];
785
786 u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE];
787} __packed;
788
789struct cm_sidr_req_msg {
790 struct ib_mad_hdr hdr;
791
792 __be32 request_id;
793 __be16 pkey;
794 __be16 rsvd;
795 __be64 service_id;
796
797 u32 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
798} __packed;
799
800struct cm_sidr_rep_msg {
801 struct ib_mad_hdr hdr;
802
803 __be32 request_id;
804 u8 status;
805 u8 info_length;
806 __be16 rsvd;
807
808 __be32 offset8;
809 __be64 service_id;
810 __be32 qkey;
811 u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
812
813 u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
814} __packed;
815
816static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
817{
818 return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8);
819}
820
821static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg,
822 __be32 qpn)
823{
824 sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
825 (be32_to_cpu(sidr_rep_msg->offset8) &
826 0x000000FF));
827}
828
829#endif
830
