2 * Copyright (c) 2004 Intel Corporation. All rights reserved.
3 * Copyright (c) 2004 Topspin Corporation. All rights reserved.
4 * Copyright (c) 2004 Voltaire Corporation. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING the madirectory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use source and binary forms, with or
13 * withmodification, are permitted provided that the following
16 * - Redistributions of source code must retathe above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHWARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS THE
34 #if !defined(CM_MSGS_H)
37 #include <rdma/ib_mad.h>
40 * Parameters to routines below should be in network-byte order, and values
41 * are returned in network-byte order.
44 #define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */
46 #define CM_REQ_ATTR_ID __constant_htons(0x0010)
47 #define CM_MRA_ATTR_ID __constant_htons(0x0011)
48 #define CM_REJ_ATTR_ID __constant_htons(0x0012)
49 #define CM_REP_ATTR_ID __constant_htons(0x0013)
50 #define CM_RTU_ATTR_ID __constant_htons(0x0014)
51 #define CM_DREQ_ATTR_ID __constant_htons(0x0015)
52 #define CM_DREP_ATTR_ID __constant_htons(0x0016)
53 #define CM_SIDR_REQ_ATTR_ID __constant_htons(0x0017)
54 #define CM_SIDR_REP_ATTR_ID __constant_htons(0x0018)
55 #define CM_LAP_ATTR_ID __constant_htons(0x0019)
56 #define CM_APR_ATTR_ID __constant_htons(0x001A)
58 enum cm_msg_sequence {
66 struct ib_mad_hdr hdr;
74 /* local QPN:24, responder resources:8 */
76 /* local EECN:24, initiator depth:8 */
79 * remote EECN:24, remote CM response timeout:5,
80 * transport service type:2, end-to-end flow control:1
83 /* starting PSN:24, local CM response timeout:5, retry count:3 */
86 /* path MTU:4, RDC exists:1, RNR retry count:3. */
88 /* max CM Retries:4, SRQ:1, rsvd:3 */
91 __be16 primary_local_lid;
92 __be16 primary_remote_lid;
93 union ib_gid primary_local_gid;
94 union ib_gid primary_remote_gid;
95 /* flow label:20, rsvd:6, packet rate:6 */
96 __be32 primary_offset88;
97 u8 primary_traffic_class;
99 /* SL:4, subnet local:1, rsvd:3 */
101 /* local ACK timeout:5, rsvd:3 */
104 __be16 alt_local_lid;
105 __be16 alt_remote_lid;
106 union ib_gid alt_local_gid;
107 union ib_gid alt_remote_gid;
108 /* flow label:20, rsvd:6, packet rate:6 */
109 __be32 alt_offset132;
110 u8 alt_traffic_class;
112 /* SL:4, subnet local:1, rsvd:3 */
114 /* local ACK timeout:5, rsvd:3 */
117 u8 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE];
119 } __attribute__ ((packed));
121 static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
123 return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8);
126 static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn)
128 req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
129 (be32_to_cpu(req_msg->offset32) &
133 static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg)
135 return (u8) be32_to_cpu(req_msg->offset32);
138 static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res)
140 req_msg->offset32 = cpu_to_be32(resp_res |
141 (be32_to_cpu(req_msg->offset32) &
145 static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg)
147 return (u8) be32_to_cpu(req_msg->offset36);
150 static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg,
153 req_msg->offset36 = cpu_to_be32(init_depth |
154 (be32_to_cpu(req_msg->offset36) &
158 static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg)
160 return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3);
163 static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg,
166 req_msg->offset40 = cpu_to_be32((resp_timeout << 3) |
167 (be32_to_cpu(req_msg->offset40) &
171 static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg)
173 u8 transport_type = (u8) (be32_to_cpu(req_msg->offset40) & 0x06) >> 1;
174 switch(transport_type) {
175 case 0: return IB_QPT_RC;
176 case 1: return IB_QPT_UC;
181 static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg,
182 enum ib_qp_type qp_type)
186 req_msg->offset40 = cpu_to_be32((be32_to_cpu(
190 req_msg->offset40 = cpu_to_be32(be32_to_cpu(
196 static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg)
198 return be32_to_cpu(req_msg->offset40) & 0x1;
201 static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg,
204 req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) |
205 (be32_to_cpu(req_msg->offset40) &
209 static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg)
211 return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8);
214 static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg,
217 req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
218 (be32_to_cpu(req_msg->offset44) & 0x000000FF));
221 static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg)
223 return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3);
226 static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg,
229 req_msg->offset44 = cpu_to_be32((resp_timeout << 3) |
230 (be32_to_cpu(req_msg->offset44) & 0xFFFFFF07));
233 static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg)
235 return (u8) (be32_to_cpu(req_msg->offset44) & 0x7);
238 static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg,
241 req_msg->offset44 = cpu_to_be32((retry_count & 0x7) |
242 (be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8));
245 static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg)
247 return req_msg->offset50 >> 4;
250 static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu)
252 req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4));
255 static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg)
257 return req_msg->offset50 & 0x7;
260 static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg,
263 req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) |
264 (rnr_retry_count & 0x7));
267 static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg)
269 return req_msg->offset51 >> 4;
272 static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg,
275 req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4));
278 static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg)
280 return (req_msg->offset51 & 0x8) >> 3;
283 static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq)
285 req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) |
289 static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg)
291 return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12);
294 static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg,
297 req_msg->primary_offset88 = cpu_to_be32(
298 (be32_to_cpu(req_msg->primary_offset88) &
300 (be32_to_cpu(flow_label) << 12));
303 static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg)
305 return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F);
308 static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg,
311 req_msg->primary_offset88 = cpu_to_be32(
312 (be32_to_cpu(req_msg->primary_offset88) &
313 0xFFFFFFC0) | (rate & 0x3F));
316 static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg)
318 return (u8) (req_msg->primary_offset94 >> 4);
321 static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl)
323 req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) |
327 static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg)
329 return (u8) ((req_msg->primary_offset94 & 0x08) >> 3);
332 static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg,
335 req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) |
336 ((subnet_local & 0x1) << 3));
339 static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg)
341 return (u8) (req_msg->primary_offset95 >> 3);
344 static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg,
345 u8 local_ack_timeout)
347 req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) |
348 (local_ack_timeout << 3));
351 static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg)
353 return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12);
356 static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg,
359 req_msg->alt_offset132 = cpu_to_be32(
360 (be32_to_cpu(req_msg->alt_offset132) &
362 (be32_to_cpu(flow_label) << 12));
365 static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg)
367 return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F);
370 static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg,
373 req_msg->alt_offset132 = cpu_to_be32(
374 (be32_to_cpu(req_msg->alt_offset132) &
375 0xFFFFFFC0) | (rate & 0x3F));
378 static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg)
380 return (u8) (req_msg->alt_offset138 >> 4);
383 static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl)
385 req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) |
389 static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg)
391 return (u8) ((req_msg->alt_offset138 & 0x08) >> 3);
394 static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg,
397 req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) |
398 ((subnet_local & 0x1) << 3));
401 static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg)
403 return (u8) (req_msg->alt_offset139 >> 3);
406 static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg,
407 u8 local_ack_timeout)
409 req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) |
410 (local_ack_timeout << 3));
413 /* Message REJected or MRAed */
414 enum cm_msg_response {
415 CM_MSG_RESPONSE_REQ = 0x0,
416 CM_MSG_RESPONSE_REP = 0x1,
417 CM_MSG_RESPONSE_OTHER = 0x2
421 struct ib_mad_hdr hdr;
423 __be32 local_comm_id;
424 __be32 remote_comm_id;
425 /* message MRAed:2, rsvd:6 */
427 /* service timeout:5, rsvd:3 */
430 u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE];
432 } __attribute__ ((packed));
434 static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg)
436 return (u8) (mra_msg->offset8 >> 6);
439 static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg)
441 mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6));
444 static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg)
446 return (u8) (mra_msg->offset9 >> 3);
449 static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg,
452 mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) |
453 (service_timeout << 3));
457 struct ib_mad_hdr hdr;
459 __be32 local_comm_id;
460 __be32 remote_comm_id;
461 /* message REJected:2, rsvd:6 */
463 /* reject info length:7, rsvd:1. */
466 u8 ari[IB_CM_REJ_ARI_LENGTH];
468 u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
470 } __attribute__ ((packed));
472 static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg)
474 return (u8) (rej_msg->offset8 >> 6);
477 static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg)
479 rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6));
482 static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg)
484 return (u8) (rej_msg->offset9 >> 1);
487 static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg,
490 rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1));
494 struct ib_mad_hdr hdr;
496 __be32 local_comm_id;
497 __be32 remote_comm_id;
499 /* local QPN:24, rsvd:8 */
501 /* local EECN:24, rsvd:8 */
503 /* starting PSN:24 rsvd:8 */
507 /* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */
509 /* RNR retry count:3, SRQ:1, rsvd:5 */
511 __be64 local_ca_guid;
513 u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
515 } __attribute__ ((packed));
517 static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
519 return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8);
522 static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn)
524 rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
525 (be32_to_cpu(rep_msg->offset12) & 0x000000FF));
528 static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
530 return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8);
533 static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg,
536 rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
537 (be32_to_cpu(rep_msg->offset20) & 0x000000FF));
540 static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg)
542 return (u8) (rep_msg->offset26 >> 3);
545 static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg,
548 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) |
549 (target_ack_delay << 3));
552 static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg)
554 return (u8) ((rep_msg->offset26 & 0x06) >> 1);
557 static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover)
559 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) |
560 ((failover & 0x3) << 1));
563 static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg)
565 return (u8) (rep_msg->offset26 & 0x01);
568 static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg,
571 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) |
575 static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg)
577 return (u8) (rep_msg->offset27 >> 5);
580 static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg,
583 rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) |
584 (rnr_retry_count << 5));
587 static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg)
589 return (u8) ((rep_msg->offset27 >> 4) & 0x1);
592 static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq)
594 rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) |
599 struct ib_mad_hdr hdr;
601 __be32 local_comm_id;
602 __be32 remote_comm_id;
604 u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
606 } __attribute__ ((packed));
609 struct ib_mad_hdr hdr;
611 __be32 local_comm_id;
612 __be32 remote_comm_id;
613 /* remote QPN/EECN:24, rsvd:8 */
616 u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
618 } __attribute__ ((packed));
620 static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
622 return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8);
625 static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn)
627 dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
628 (be32_to_cpu(dreq_msg->offset8) & 0x000000FF));
632 struct ib_mad_hdr hdr;
634 __be32 local_comm_id;
635 __be32 remote_comm_id;
637 u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
639 } __attribute__ ((packed));
642 struct ib_mad_hdr hdr;
644 __be32 local_comm_id;
645 __be32 remote_comm_id;
648 /* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */
652 __be16 alt_local_lid;
653 __be16 alt_remote_lid;
654 union ib_gid alt_local_gid;
655 union ib_gid alt_remote_gid;
656 /* flow label:20, rsvd:4, traffic class:8 */
659 /* rsvd:2, packet rate:6 */
661 /* SL:4, subnet local:1, rsvd:3 */
663 /* local ACK timeout:5, rsvd:3 */
666 u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
667 } __attribute__ ((packed));
669 static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
671 return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8);
674 static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn)
676 lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
677 (be32_to_cpu(lap_msg->offset12) &
681 static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg)
683 return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3);
686 static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg,
689 lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) |
690 (be32_to_cpu(lap_msg->offset12) &
694 static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg)
696 return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12);
699 static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg,
702 lap_msg->offset56 = cpu_to_be32(
703 (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) |
704 (be32_to_cpu(flow_label) << 12));
707 static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg)
709 return (u8) be32_to_cpu(lap_msg->offset56);
712 static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg,
715 lap_msg->offset56 = cpu_to_be32(traffic_class |
716 (be32_to_cpu(lap_msg->offset56) &
720 static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg)
722 return lap_msg->offset61 & 0x3F;
725 static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg,
728 lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0);
731 static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg)
733 return lap_msg->offset62 >> 4;
736 static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl)
738 lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F);
741 static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg)
743 return (lap_msg->offset62 >> 3) & 0x1;
746 static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg,
749 lap_msg->offset62 = ((subnet_local & 0x1) << 3) |
750 (lap_msg->offset61 & 0xF7);
752 static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg)
754 return lap_msg->offset63 >> 3;
757 static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg,
758 u8 local_ack_timeout)
760 lap_msg->offset63 = (local_ack_timeout << 3) |
761 (lap_msg->offset63 & 0x07);
765 struct ib_mad_hdr hdr;
767 __be32 local_comm_id;
768 __be32 remote_comm_id;
772 u8 info[IB_CM_APR_INFO_LENGTH];
774 u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE];
775 } __attribute__ ((packed));
777 struct cm_sidr_req_msg {
778 struct ib_mad_hdr hdr;
785 u8 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE];
786 } __attribute__ ((packed));
788 struct cm_sidr_rep_msg {
789 struct ib_mad_hdr hdr;
799 u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
801 u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
802 } __attribute__ ((packed));
804 static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
806 return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8);
809 static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg,
812 sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
813 (be32_to_cpu(sidr_rep_msg->offset8) &
817 #endif /* CM_MSGS_H */