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a977049d HR |
1 | /* |
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. | |
5 | * | |
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: | |
11 | * | |
12 | * Redistribution and use source and binary forms, with or | |
13 | * withmodification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retathe above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
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. | |
24 | * | |
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 | |
32 | * SOFTWARE. | |
33 | */ | |
34 | #if !defined(CM_MSGS_H) | |
35 | #define CM_MSGS_H | |
36 | ||
a4d61e84 | 37 | #include <rdma/ib_mad.h> |
a977049d HR |
38 | |
39 | /* | |
40 | * Parameters to routines below should be in network-byte order, and values | |
41 | * are returned in network-byte order. | |
42 | */ | |
43 | ||
44 | #define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */ | |
45 | ||
97f52eb4 SH |
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) | |
a977049d HR |
57 | |
58 | enum cm_msg_sequence { | |
59 | CM_MSG_SEQUENCE_REQ, | |
60 | CM_MSG_SEQUENCE_LAP, | |
61 | CM_MSG_SEQUENCE_DREQ, | |
62 | CM_MSG_SEQUENCE_SIDR | |
63 | }; | |
64 | ||
65 | struct cm_req_msg { | |
66 | struct ib_mad_hdr hdr; | |
67 | ||
97f52eb4 SH |
68 | __be32 local_comm_id; |
69 | __be32 rsvd4; | |
70 | __be64 service_id; | |
71 | __be64 local_ca_guid; | |
72 | __be32 rsvd24; | |
73 | __be32 local_qkey; | |
a977049d | 74 | /* local QPN:24, responder resources:8 */ |
97f52eb4 | 75 | __be32 offset32; |
a977049d | 76 | /* local EECN:24, initiator depth:8 */ |
97f52eb4 | 77 | __be32 offset36; |
a977049d HR |
78 | /* |
79 | * remote EECN:24, remote CM response timeout:5, | |
80 | * transport service type:2, end-to-end flow control:1 | |
81 | */ | |
97f52eb4 | 82 | __be32 offset40; |
a977049d | 83 | /* starting PSN:24, local CM response timeout:5, retry count:3 */ |
97f52eb4 SH |
84 | __be32 offset44; |
85 | __be16 pkey; | |
a977049d HR |
86 | /* path MTU:4, RDC exists:1, RNR retry count:3. */ |
87 | u8 offset50; | |
88 | /* max CM Retries:4, SRQ:1, rsvd:3 */ | |
89 | u8 offset51; | |
90 | ||
97f52eb4 SH |
91 | __be16 primary_local_lid; |
92 | __be16 primary_remote_lid; | |
a977049d HR |
93 | union ib_gid primary_local_gid; |
94 | union ib_gid primary_remote_gid; | |
95 | /* flow label:20, rsvd:6, packet rate:6 */ | |
97f52eb4 | 96 | __be32 primary_offset88; |
a977049d HR |
97 | u8 primary_traffic_class; |
98 | u8 primary_hop_limit; | |
99 | /* SL:4, subnet local:1, rsvd:3 */ | |
100 | u8 primary_offset94; | |
101 | /* local ACK timeout:5, rsvd:3 */ | |
102 | u8 primary_offset95; | |
103 | ||
97f52eb4 SH |
104 | __be16 alt_local_lid; |
105 | __be16 alt_remote_lid; | |
a977049d HR |
106 | union ib_gid alt_local_gid; |
107 | union ib_gid alt_remote_gid; | |
108 | /* flow label:20, rsvd:6, packet rate:6 */ | |
97f52eb4 | 109 | __be32 alt_offset132; |
a977049d HR |
110 | u8 alt_traffic_class; |
111 | u8 alt_hop_limit; | |
112 | /* SL:4, subnet local:1, rsvd:3 */ | |
113 | u8 alt_offset138; | |
114 | /* local ACK timeout:5, rsvd:3 */ | |
115 | u8 alt_offset139; | |
116 | ||
117 | u8 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE]; | |
118 | ||
119 | } __attribute__ ((packed)); | |
120 | ||
97f52eb4 | 121 | static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg) |
a977049d HR |
122 | { |
123 | return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8); | |
124 | } | |
125 | ||
97f52eb4 | 126 | static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn) |
a977049d HR |
127 | { |
128 | req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
129 | (be32_to_cpu(req_msg->offset32) & | |
130 | 0x000000FF)); | |
131 | } | |
132 | ||
133 | static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg) | |
134 | { | |
135 | return (u8) be32_to_cpu(req_msg->offset32); | |
136 | } | |
137 | ||
138 | static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res) | |
139 | { | |
140 | req_msg->offset32 = cpu_to_be32(resp_res | | |
141 | (be32_to_cpu(req_msg->offset32) & | |
142 | 0xFFFFFF00)); | |
143 | } | |
144 | ||
145 | static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg) | |
146 | { | |
147 | return (u8) be32_to_cpu(req_msg->offset36); | |
148 | } | |
149 | ||
150 | static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg, | |
151 | u8 init_depth) | |
152 | { | |
153 | req_msg->offset36 = cpu_to_be32(init_depth | | |
154 | (be32_to_cpu(req_msg->offset36) & | |
155 | 0xFFFFFF00)); | |
156 | } | |
157 | ||
158 | static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg) | |
159 | { | |
160 | return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3); | |
161 | } | |
162 | ||
163 | static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg, | |
164 | u8 resp_timeout) | |
165 | { | |
166 | req_msg->offset40 = cpu_to_be32((resp_timeout << 3) | | |
167 | (be32_to_cpu(req_msg->offset40) & | |
168 | 0xFFFFFF07)); | |
169 | } | |
170 | ||
171 | static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg) | |
172 | { | |
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; | |
177 | default: return 0; | |
178 | } | |
179 | } | |
180 | ||
181 | static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg, | |
182 | enum ib_qp_type qp_type) | |
183 | { | |
184 | switch(qp_type) { | |
185 | case IB_QPT_UC: | |
186 | req_msg->offset40 = cpu_to_be32((be32_to_cpu( | |
187 | req_msg->offset40) & | |
188 | 0xFFFFFFF9) | 0x2); | |
3910f44d | 189 | break; |
a977049d HR |
190 | default: |
191 | req_msg->offset40 = cpu_to_be32(be32_to_cpu( | |
192 | req_msg->offset40) & | |
193 | 0xFFFFFFF9); | |
194 | } | |
195 | } | |
196 | ||
197 | static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg) | |
198 | { | |
199 | return be32_to_cpu(req_msg->offset40) & 0x1; | |
200 | } | |
201 | ||
202 | static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg, | |
203 | u8 flow_ctrl) | |
204 | { | |
205 | req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) | | |
206 | (be32_to_cpu(req_msg->offset40) & | |
207 | 0xFFFFFFFE)); | |
208 | } | |
209 | ||
97f52eb4 | 210 | static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg) |
a977049d HR |
211 | { |
212 | return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8); | |
213 | } | |
214 | ||
215 | static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg, | |
97f52eb4 | 216 | __be32 starting_psn) |
a977049d HR |
217 | { |
218 | req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | | |
219 | (be32_to_cpu(req_msg->offset44) & 0x000000FF)); | |
220 | } | |
221 | ||
222 | static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg) | |
223 | { | |
224 | return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3); | |
225 | } | |
226 | ||
227 | static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg, | |
228 | u8 resp_timeout) | |
229 | { | |
230 | req_msg->offset44 = cpu_to_be32((resp_timeout << 3) | | |
231 | (be32_to_cpu(req_msg->offset44) & 0xFFFFFF07)); | |
232 | } | |
233 | ||
234 | static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg) | |
235 | { | |
236 | return (u8) (be32_to_cpu(req_msg->offset44) & 0x7); | |
237 | } | |
238 | ||
239 | static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg, | |
240 | u8 retry_count) | |
241 | { | |
242 | req_msg->offset44 = cpu_to_be32((retry_count & 0x7) | | |
243 | (be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8)); | |
244 | } | |
245 | ||
246 | static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg) | |
247 | { | |
248 | return req_msg->offset50 >> 4; | |
249 | } | |
250 | ||
251 | static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu) | |
252 | { | |
253 | req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4)); | |
254 | } | |
255 | ||
256 | static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg) | |
257 | { | |
258 | return req_msg->offset50 & 0x7; | |
259 | } | |
260 | ||
261 | static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg, | |
262 | u8 rnr_retry_count) | |
263 | { | |
264 | req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) | | |
265 | (rnr_retry_count & 0x7)); | |
266 | } | |
267 | ||
268 | static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg) | |
269 | { | |
270 | return req_msg->offset51 >> 4; | |
271 | } | |
272 | ||
273 | static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg, | |
274 | u8 retries) | |
275 | { | |
276 | req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4)); | |
277 | } | |
278 | ||
279 | static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg) | |
280 | { | |
281 | return (req_msg->offset51 & 0x8) >> 3; | |
282 | } | |
283 | ||
284 | static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq) | |
285 | { | |
286 | req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) | | |
287 | ((srq & 0x1) << 3)); | |
288 | } | |
289 | ||
97f52eb4 | 290 | static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg) |
a977049d | 291 | { |
97f52eb4 | 292 | return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12); |
a977049d HR |
293 | } |
294 | ||
295 | static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg, | |
97f52eb4 | 296 | __be32 flow_label) |
a977049d HR |
297 | { |
298 | req_msg->primary_offset88 = cpu_to_be32( | |
299 | (be32_to_cpu(req_msg->primary_offset88) & | |
300 | 0x00000FFF) | | |
301 | (be32_to_cpu(flow_label) << 12)); | |
302 | } | |
303 | ||
304 | static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg) | |
305 | { | |
306 | return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F); | |
307 | } | |
308 | ||
309 | static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg, | |
310 | u8 rate) | |
311 | { | |
312 | req_msg->primary_offset88 = cpu_to_be32( | |
313 | (be32_to_cpu(req_msg->primary_offset88) & | |
314 | 0xFFFFFFC0) | (rate & 0x3F)); | |
315 | } | |
316 | ||
317 | static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg) | |
318 | { | |
319 | return (u8) (req_msg->primary_offset94 >> 4); | |
320 | } | |
321 | ||
322 | static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl) | |
323 | { | |
324 | req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) | | |
325 | (sl << 4)); | |
326 | } | |
327 | ||
328 | static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg) | |
329 | { | |
330 | return (u8) ((req_msg->primary_offset94 & 0x08) >> 3); | |
331 | } | |
332 | ||
333 | static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg, | |
334 | u8 subnet_local) | |
335 | { | |
336 | req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) | | |
337 | ((subnet_local & 0x1) << 3)); | |
338 | } | |
339 | ||
340 | static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg) | |
341 | { | |
342 | return (u8) (req_msg->primary_offset95 >> 3); | |
343 | } | |
344 | ||
345 | static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg, | |
346 | u8 local_ack_timeout) | |
347 | { | |
348 | req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) | | |
349 | (local_ack_timeout << 3)); | |
350 | } | |
351 | ||
97f52eb4 | 352 | static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg) |
a977049d | 353 | { |
97f52eb4 | 354 | return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12); |
a977049d HR |
355 | } |
356 | ||
357 | static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg, | |
97f52eb4 | 358 | __be32 flow_label) |
a977049d HR |
359 | { |
360 | req_msg->alt_offset132 = cpu_to_be32( | |
361 | (be32_to_cpu(req_msg->alt_offset132) & | |
362 | 0x00000FFF) | | |
363 | (be32_to_cpu(flow_label) << 12)); | |
364 | } | |
365 | ||
366 | static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg) | |
367 | { | |
368 | return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F); | |
369 | } | |
370 | ||
371 | static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg, | |
372 | u8 rate) | |
373 | { | |
374 | req_msg->alt_offset132 = cpu_to_be32( | |
375 | (be32_to_cpu(req_msg->alt_offset132) & | |
376 | 0xFFFFFFC0) | (rate & 0x3F)); | |
377 | } | |
378 | ||
379 | static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg) | |
380 | { | |
381 | return (u8) (req_msg->alt_offset138 >> 4); | |
382 | } | |
383 | ||
384 | static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl) | |
385 | { | |
386 | req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) | | |
387 | (sl << 4)); | |
388 | } | |
389 | ||
390 | static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg) | |
391 | { | |
392 | return (u8) ((req_msg->alt_offset138 & 0x08) >> 3); | |
393 | } | |
394 | ||
395 | static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg, | |
396 | u8 subnet_local) | |
397 | { | |
398 | req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) | | |
399 | ((subnet_local & 0x1) << 3)); | |
400 | } | |
401 | ||
402 | static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg) | |
403 | { | |
404 | return (u8) (req_msg->alt_offset139 >> 3); | |
405 | } | |
406 | ||
407 | static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg, | |
408 | u8 local_ack_timeout) | |
409 | { | |
410 | req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) | | |
411 | (local_ack_timeout << 3)); | |
412 | } | |
413 | ||
414 | /* Message REJected or MRAed */ | |
415 | enum cm_msg_response { | |
416 | CM_MSG_RESPONSE_REQ = 0x0, | |
417 | CM_MSG_RESPONSE_REP = 0x1, | |
418 | CM_MSG_RESPONSE_OTHER = 0x2 | |
419 | }; | |
420 | ||
421 | struct cm_mra_msg { | |
422 | struct ib_mad_hdr hdr; | |
423 | ||
97f52eb4 SH |
424 | __be32 local_comm_id; |
425 | __be32 remote_comm_id; | |
a977049d HR |
426 | /* message MRAed:2, rsvd:6 */ |
427 | u8 offset8; | |
428 | /* service timeout:5, rsvd:3 */ | |
429 | u8 offset9; | |
430 | ||
431 | u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE]; | |
432 | ||
433 | } __attribute__ ((packed)); | |
434 | ||
435 | static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg) | |
436 | { | |
437 | return (u8) (mra_msg->offset8 >> 6); | |
438 | } | |
439 | ||
440 | static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg) | |
441 | { | |
442 | mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6)); | |
443 | } | |
444 | ||
445 | static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg) | |
446 | { | |
447 | return (u8) (mra_msg->offset9 >> 3); | |
448 | } | |
449 | ||
450 | static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg, | |
451 | u8 service_timeout) | |
452 | { | |
453 | mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) | | |
454 | (service_timeout << 3)); | |
455 | } | |
456 | ||
457 | struct cm_rej_msg { | |
458 | struct ib_mad_hdr hdr; | |
459 | ||
97f52eb4 SH |
460 | __be32 local_comm_id; |
461 | __be32 remote_comm_id; | |
a977049d HR |
462 | /* message REJected:2, rsvd:6 */ |
463 | u8 offset8; | |
464 | /* reject info length:7, rsvd:1. */ | |
465 | u8 offset9; | |
97f52eb4 | 466 | __be16 reason; |
a977049d HR |
467 | u8 ari[IB_CM_REJ_ARI_LENGTH]; |
468 | ||
469 | u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE]; | |
470 | ||
471 | } __attribute__ ((packed)); | |
472 | ||
473 | static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg) | |
474 | { | |
475 | return (u8) (rej_msg->offset8 >> 6); | |
476 | } | |
477 | ||
478 | static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg) | |
479 | { | |
480 | rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6)); | |
481 | } | |
482 | ||
483 | static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg) | |
484 | { | |
485 | return (u8) (rej_msg->offset9 >> 1); | |
486 | } | |
487 | ||
488 | static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg, | |
489 | u8 len) | |
490 | { | |
491 | rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1)); | |
492 | } | |
493 | ||
494 | struct cm_rep_msg { | |
495 | struct ib_mad_hdr hdr; | |
496 | ||
97f52eb4 SH |
497 | __be32 local_comm_id; |
498 | __be32 remote_comm_id; | |
499 | __be32 local_qkey; | |
a977049d | 500 | /* local QPN:24, rsvd:8 */ |
97f52eb4 | 501 | __be32 offset12; |
a977049d | 502 | /* local EECN:24, rsvd:8 */ |
97f52eb4 | 503 | __be32 offset16; |
a977049d | 504 | /* starting PSN:24 rsvd:8 */ |
97f52eb4 | 505 | __be32 offset20; |
a977049d HR |
506 | u8 resp_resources; |
507 | u8 initiator_depth; | |
508 | /* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */ | |
509 | u8 offset26; | |
510 | /* RNR retry count:3, SRQ:1, rsvd:5 */ | |
511 | u8 offset27; | |
97f52eb4 | 512 | __be64 local_ca_guid; |
a977049d HR |
513 | |
514 | u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE]; | |
515 | ||
516 | } __attribute__ ((packed)); | |
517 | ||
97f52eb4 | 518 | static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg) |
a977049d HR |
519 | { |
520 | return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8); | |
521 | } | |
522 | ||
97f52eb4 | 523 | static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn) |
a977049d HR |
524 | { |
525 | rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
526 | (be32_to_cpu(rep_msg->offset12) & 0x000000FF)); | |
527 | } | |
528 | ||
97f52eb4 | 529 | static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg) |
a977049d HR |
530 | { |
531 | return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8); | |
532 | } | |
533 | ||
534 | static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg, | |
97f52eb4 | 535 | __be32 starting_psn) |
a977049d HR |
536 | { |
537 | rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | | |
538 | (be32_to_cpu(rep_msg->offset20) & 0x000000FF)); | |
539 | } | |
540 | ||
541 | static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg) | |
542 | { | |
543 | return (u8) (rep_msg->offset26 >> 3); | |
544 | } | |
545 | ||
546 | static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg, | |
547 | u8 target_ack_delay) | |
548 | { | |
549 | rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) | | |
550 | (target_ack_delay << 3)); | |
551 | } | |
552 | ||
553 | static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg) | |
554 | { | |
555 | return (u8) ((rep_msg->offset26 & 0x06) >> 1); | |
556 | } | |
557 | ||
558 | static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover) | |
559 | { | |
560 | rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) | | |
561 | ((failover & 0x3) << 1)); | |
562 | } | |
563 | ||
564 | static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg) | |
565 | { | |
566 | return (u8) (rep_msg->offset26 & 0x01); | |
567 | } | |
568 | ||
569 | static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg, | |
570 | u8 flow_ctrl) | |
571 | { | |
572 | rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) | | |
573 | (flow_ctrl & 0x1)); | |
574 | } | |
575 | ||
576 | static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg) | |
577 | { | |
578 | return (u8) (rep_msg->offset27 >> 5); | |
579 | } | |
580 | ||
581 | static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg, | |
582 | u8 rnr_retry_count) | |
583 | { | |
584 | rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) | | |
585 | (rnr_retry_count << 5)); | |
586 | } | |
587 | ||
588 | static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg) | |
589 | { | |
590 | return (u8) ((rep_msg->offset27 >> 4) & 0x1); | |
591 | } | |
592 | ||
593 | static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq) | |
594 | { | |
595 | rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) | | |
596 | ((srq & 0x1) << 4)); | |
597 | } | |
598 | ||
599 | struct cm_rtu_msg { | |
600 | struct ib_mad_hdr hdr; | |
601 | ||
97f52eb4 SH |
602 | __be32 local_comm_id; |
603 | __be32 remote_comm_id; | |
a977049d HR |
604 | |
605 | u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE]; | |
606 | ||
607 | } __attribute__ ((packed)); | |
608 | ||
609 | struct cm_dreq_msg { | |
610 | struct ib_mad_hdr hdr; | |
611 | ||
97f52eb4 SH |
612 | __be32 local_comm_id; |
613 | __be32 remote_comm_id; | |
a977049d | 614 | /* remote QPN/EECN:24, rsvd:8 */ |
97f52eb4 | 615 | __be32 offset8; |
a977049d HR |
616 | |
617 | u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE]; | |
618 | ||
619 | } __attribute__ ((packed)); | |
620 | ||
97f52eb4 | 621 | static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg) |
a977049d HR |
622 | { |
623 | return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8); | |
624 | } | |
625 | ||
97f52eb4 | 626 | static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn) |
a977049d HR |
627 | { |
628 | dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
629 | (be32_to_cpu(dreq_msg->offset8) & 0x000000FF)); | |
630 | } | |
631 | ||
632 | struct cm_drep_msg { | |
633 | struct ib_mad_hdr hdr; | |
634 | ||
97f52eb4 SH |
635 | __be32 local_comm_id; |
636 | __be32 remote_comm_id; | |
a977049d HR |
637 | |
638 | u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE]; | |
639 | ||
640 | } __attribute__ ((packed)); | |
641 | ||
642 | struct cm_lap_msg { | |
643 | struct ib_mad_hdr hdr; | |
644 | ||
97f52eb4 SH |
645 | __be32 local_comm_id; |
646 | __be32 remote_comm_id; | |
a977049d | 647 | |
97f52eb4 | 648 | __be32 rsvd8; |
a977049d | 649 | /* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */ |
97f52eb4 SH |
650 | __be32 offset12; |
651 | __be32 rsvd16; | |
a977049d | 652 | |
97f52eb4 SH |
653 | __be16 alt_local_lid; |
654 | __be16 alt_remote_lid; | |
a977049d HR |
655 | union ib_gid alt_local_gid; |
656 | union ib_gid alt_remote_gid; | |
657 | /* flow label:20, rsvd:4, traffic class:8 */ | |
97f52eb4 | 658 | __be32 offset56; |
a977049d HR |
659 | u8 alt_hop_limit; |
660 | /* rsvd:2, packet rate:6 */ | |
97f52eb4 | 661 | u8 offset61; |
a977049d | 662 | /* SL:4, subnet local:1, rsvd:3 */ |
97f52eb4 | 663 | u8 offset62; |
a977049d | 664 | /* local ACK timeout:5, rsvd:3 */ |
97f52eb4 | 665 | u8 offset63; |
a977049d HR |
666 | |
667 | u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE]; | |
668 | } __attribute__ ((packed)); | |
669 | ||
97f52eb4 | 670 | static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg) |
a977049d HR |
671 | { |
672 | return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8); | |
673 | } | |
674 | ||
97f52eb4 | 675 | static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn) |
a977049d HR |
676 | { |
677 | lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
678 | (be32_to_cpu(lap_msg->offset12) & | |
679 | 0x000000FF)); | |
680 | } | |
681 | ||
682 | static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg) | |
683 | { | |
684 | return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3); | |
685 | } | |
686 | ||
687 | static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg, | |
688 | u8 resp_timeout) | |
689 | { | |
690 | lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) | | |
691 | (be32_to_cpu(lap_msg->offset12) & | |
692 | 0xFFFFFF07)); | |
693 | } | |
694 | ||
97f52eb4 | 695 | static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg) |
a977049d | 696 | { |
97f52eb4 | 697 | return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12); |
a977049d HR |
698 | } |
699 | ||
700 | static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg, | |
97f52eb4 | 701 | __be32 flow_label) |
a977049d | 702 | { |
97f52eb4 SH |
703 | lap_msg->offset56 = cpu_to_be32( |
704 | (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) | | |
705 | (be32_to_cpu(flow_label) << 12)); | |
a977049d HR |
706 | } |
707 | ||
708 | static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg) | |
709 | { | |
710 | return (u8) be32_to_cpu(lap_msg->offset56); | |
711 | } | |
712 | ||
713 | static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg, | |
714 | u8 traffic_class) | |
715 | { | |
716 | lap_msg->offset56 = cpu_to_be32(traffic_class | | |
717 | (be32_to_cpu(lap_msg->offset56) & | |
718 | 0xFFFFFF00)); | |
719 | } | |
720 | ||
721 | static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg) | |
722 | { | |
723 | return lap_msg->offset61 & 0x3F; | |
724 | } | |
725 | ||
726 | static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg, | |
727 | u8 packet_rate) | |
728 | { | |
729 | lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0); | |
730 | } | |
731 | ||
732 | static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg) | |
733 | { | |
734 | return lap_msg->offset62 >> 4; | |
735 | } | |
736 | ||
737 | static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl) | |
738 | { | |
739 | lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F); | |
740 | } | |
741 | ||
742 | static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg) | |
743 | { | |
744 | return (lap_msg->offset62 >> 3) & 0x1; | |
745 | } | |
746 | ||
747 | static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg, | |
748 | u8 subnet_local) | |
749 | { | |
750 | lap_msg->offset62 = ((subnet_local & 0x1) << 3) | | |
751 | (lap_msg->offset61 & 0xF7); | |
752 | } | |
753 | static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg) | |
754 | { | |
755 | return lap_msg->offset63 >> 3; | |
756 | } | |
757 | ||
758 | static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg, | |
759 | u8 local_ack_timeout) | |
760 | { | |
761 | lap_msg->offset63 = (local_ack_timeout << 3) | | |
762 | (lap_msg->offset63 & 0x07); | |
763 | } | |
764 | ||
765 | struct cm_apr_msg { | |
766 | struct ib_mad_hdr hdr; | |
767 | ||
97f52eb4 SH |
768 | __be32 local_comm_id; |
769 | __be32 remote_comm_id; | |
a977049d HR |
770 | |
771 | u8 info_length; | |
772 | u8 ap_status; | |
773 | u8 info[IB_CM_APR_INFO_LENGTH]; | |
774 | ||
775 | u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE]; | |
776 | } __attribute__ ((packed)); | |
777 | ||
778 | struct cm_sidr_req_msg { | |
779 | struct ib_mad_hdr hdr; | |
780 | ||
97f52eb4 SH |
781 | __be32 request_id; |
782 | __be16 pkey; | |
783 | __be16 rsvd; | |
784 | __be64 service_id; | |
a977049d HR |
785 | |
786 | u8 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE]; | |
787 | } __attribute__ ((packed)); | |
788 | ||
789 | struct cm_sidr_rep_msg { | |
790 | struct ib_mad_hdr hdr; | |
791 | ||
97f52eb4 | 792 | __be32 request_id; |
a977049d HR |
793 | u8 status; |
794 | u8 info_length; | |
97f52eb4 | 795 | __be16 rsvd; |
a977049d | 796 | /* QPN:24, rsvd:8 */ |
97f52eb4 SH |
797 | __be32 offset8; |
798 | __be64 service_id; | |
799 | __be32 qkey; | |
a977049d HR |
800 | u8 info[IB_CM_SIDR_REP_INFO_LENGTH]; |
801 | ||
802 | u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE]; | |
803 | } __attribute__ ((packed)); | |
804 | ||
97f52eb4 | 805 | static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg) |
a977049d HR |
806 | { |
807 | return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8); | |
808 | } | |
809 | ||
810 | static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg, | |
97f52eb4 | 811 | __be32 qpn) |
a977049d HR |
812 | { |
813 | sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
814 | (be32_to_cpu(sidr_rep_msg->offset8) & | |
815 | 0x000000FF)); | |
816 | } | |
817 | ||
818 | #endif /* CM_MSGS_H */ |