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a977049d | 1 | /* |
ef700446 | 2 | * Copyright (c) 2004, 2011 Intel Corporation. All rights reserved. |
a977049d HR |
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> |
5d861be8 | 38 | #include <rdma/ib_cm.h> |
a977049d HR |
39 | |
40 | /* | |
41 | * Parameters to routines below should be in network-byte order, and values | |
42 | * are returned in network-byte order. | |
43 | */ | |
44 | ||
45 | #define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */ | |
46 | ||
9c3da099 HH |
47 | #define CM_REQ_ATTR_ID cpu_to_be16(0x0010) |
48 | #define CM_MRA_ATTR_ID cpu_to_be16(0x0011) | |
49 | #define CM_REJ_ATTR_ID cpu_to_be16(0x0012) | |
50 | #define CM_REP_ATTR_ID cpu_to_be16(0x0013) | |
51 | #define CM_RTU_ATTR_ID cpu_to_be16(0x0014) | |
52 | #define CM_DREQ_ATTR_ID cpu_to_be16(0x0015) | |
53 | #define CM_DREP_ATTR_ID cpu_to_be16(0x0016) | |
54 | #define CM_SIDR_REQ_ATTR_ID cpu_to_be16(0x0017) | |
55 | #define CM_SIDR_REP_ATTR_ID cpu_to_be16(0x0018) | |
56 | #define CM_LAP_ATTR_ID cpu_to_be16(0x0019) | |
57 | #define CM_APR_ATTR_ID cpu_to_be16(0x001A) | |
a977049d HR |
58 | |
59 | enum cm_msg_sequence { | |
60 | CM_MSG_SEQUENCE_REQ, | |
61 | CM_MSG_SEQUENCE_LAP, | |
62 | CM_MSG_SEQUENCE_DREQ, | |
63 | CM_MSG_SEQUENCE_SIDR | |
64 | }; | |
65 | ||
66 | struct cm_req_msg { | |
67 | struct ib_mad_hdr hdr; | |
68 | ||
97f52eb4 SH |
69 | __be32 local_comm_id; |
70 | __be32 rsvd4; | |
71 | __be64 service_id; | |
72 | __be64 local_ca_guid; | |
73 | __be32 rsvd24; | |
74 | __be32 local_qkey; | |
a977049d | 75 | /* local QPN:24, responder resources:8 */ |
97f52eb4 | 76 | __be32 offset32; |
a977049d | 77 | /* local EECN:24, initiator depth:8 */ |
97f52eb4 | 78 | __be32 offset36; |
a977049d HR |
79 | /* |
80 | * remote EECN:24, remote CM response timeout:5, | |
81 | * transport service type:2, end-to-end flow control:1 | |
82 | */ | |
97f52eb4 | 83 | __be32 offset40; |
a977049d | 84 | /* starting PSN:24, local CM response timeout:5, retry count:3 */ |
97f52eb4 SH |
85 | __be32 offset44; |
86 | __be16 pkey; | |
a977049d HR |
87 | /* path MTU:4, RDC exists:1, RNR retry count:3. */ |
88 | u8 offset50; | |
d26a360b | 89 | /* max CM Retries:4, SRQ:1, extended transport type:3 */ |
a977049d HR |
90 | u8 offset51; |
91 | ||
97f52eb4 SH |
92 | __be16 primary_local_lid; |
93 | __be16 primary_remote_lid; | |
a977049d HR |
94 | union ib_gid primary_local_gid; |
95 | union ib_gid primary_remote_gid; | |
96 | /* flow label:20, rsvd:6, packet rate:6 */ | |
97f52eb4 | 97 | __be32 primary_offset88; |
a977049d HR |
98 | u8 primary_traffic_class; |
99 | u8 primary_hop_limit; | |
100 | /* SL:4, subnet local:1, rsvd:3 */ | |
101 | u8 primary_offset94; | |
102 | /* local ACK timeout:5, rsvd:3 */ | |
103 | u8 primary_offset95; | |
104 | ||
97f52eb4 SH |
105 | __be16 alt_local_lid; |
106 | __be16 alt_remote_lid; | |
a977049d HR |
107 | union ib_gid alt_local_gid; |
108 | union ib_gid alt_remote_gid; | |
109 | /* flow label:20, rsvd:6, packet rate:6 */ | |
97f52eb4 | 110 | __be32 alt_offset132; |
a977049d HR |
111 | u8 alt_traffic_class; |
112 | u8 alt_hop_limit; | |
113 | /* SL:4, subnet local:1, rsvd:3 */ | |
114 | u8 alt_offset138; | |
115 | /* local ACK timeout:5, rsvd:3 */ | |
116 | u8 alt_offset139; | |
117 | ||
118 | u8 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE]; | |
119 | ||
120 | } __attribute__ ((packed)); | |
121 | ||
97f52eb4 | 122 | static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg) |
a977049d HR |
123 | { |
124 | return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8); | |
125 | } | |
126 | ||
97f52eb4 | 127 | static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn) |
a977049d HR |
128 | { |
129 | req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
130 | (be32_to_cpu(req_msg->offset32) & | |
131 | 0x000000FF)); | |
132 | } | |
133 | ||
134 | static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg) | |
135 | { | |
136 | return (u8) be32_to_cpu(req_msg->offset32); | |
137 | } | |
138 | ||
139 | static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res) | |
140 | { | |
141 | req_msg->offset32 = cpu_to_be32(resp_res | | |
142 | (be32_to_cpu(req_msg->offset32) & | |
143 | 0xFFFFFF00)); | |
144 | } | |
145 | ||
146 | static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg) | |
147 | { | |
148 | return (u8) be32_to_cpu(req_msg->offset36); | |
149 | } | |
150 | ||
151 | static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg, | |
152 | u8 init_depth) | |
153 | { | |
154 | req_msg->offset36 = cpu_to_be32(init_depth | | |
155 | (be32_to_cpu(req_msg->offset36) & | |
156 | 0xFFFFFF00)); | |
157 | } | |
158 | ||
159 | static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg) | |
160 | { | |
161 | return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3); | |
162 | } | |
163 | ||
164 | static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg, | |
165 | u8 resp_timeout) | |
166 | { | |
167 | req_msg->offset40 = cpu_to_be32((resp_timeout << 3) | | |
168 | (be32_to_cpu(req_msg->offset40) & | |
169 | 0xFFFFFF07)); | |
170 | } | |
171 | ||
172 | static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg) | |
173 | { | |
174 | u8 transport_type = (u8) (be32_to_cpu(req_msg->offset40) & 0x06) >> 1; | |
175 | switch(transport_type) { | |
176 | case 0: return IB_QPT_RC; | |
177 | case 1: return IB_QPT_UC; | |
d26a360b SH |
178 | case 3: |
179 | switch (req_msg->offset51 & 0x7) { | |
180 | case 1: return IB_QPT_XRC_TGT; | |
181 | default: return 0; | |
182 | } | |
a977049d HR |
183 | default: return 0; |
184 | } | |
185 | } | |
186 | ||
187 | static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg, | |
188 | enum ib_qp_type qp_type) | |
189 | { | |
190 | switch(qp_type) { | |
191 | case IB_QPT_UC: | |
192 | req_msg->offset40 = cpu_to_be32((be32_to_cpu( | |
193 | req_msg->offset40) & | |
194 | 0xFFFFFFF9) | 0x2); | |
3910f44d | 195 | break; |
d26a360b SH |
196 | case IB_QPT_XRC_INI: |
197 | req_msg->offset40 = cpu_to_be32((be32_to_cpu( | |
198 | req_msg->offset40) & | |
199 | 0xFFFFFFF9) | 0x6); | |
200 | req_msg->offset51 = (req_msg->offset51 & 0xF8) | 1; | |
201 | break; | |
a977049d HR |
202 | default: |
203 | req_msg->offset40 = cpu_to_be32(be32_to_cpu( | |
204 | req_msg->offset40) & | |
205 | 0xFFFFFFF9); | |
206 | } | |
207 | } | |
208 | ||
209 | static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg) | |
210 | { | |
211 | return be32_to_cpu(req_msg->offset40) & 0x1; | |
212 | } | |
213 | ||
214 | static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg, | |
215 | u8 flow_ctrl) | |
216 | { | |
217 | req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) | | |
218 | (be32_to_cpu(req_msg->offset40) & | |
219 | 0xFFFFFFFE)); | |
220 | } | |
221 | ||
97f52eb4 | 222 | static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg) |
a977049d HR |
223 | { |
224 | return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8); | |
225 | } | |
226 | ||
227 | static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg, | |
97f52eb4 | 228 | __be32 starting_psn) |
a977049d HR |
229 | { |
230 | req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | | |
231 | (be32_to_cpu(req_msg->offset44) & 0x000000FF)); | |
232 | } | |
233 | ||
234 | static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg) | |
235 | { | |
236 | return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3); | |
237 | } | |
238 | ||
239 | static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg, | |
240 | u8 resp_timeout) | |
241 | { | |
242 | req_msg->offset44 = cpu_to_be32((resp_timeout << 3) | | |
243 | (be32_to_cpu(req_msg->offset44) & 0xFFFFFF07)); | |
244 | } | |
245 | ||
246 | static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg) | |
247 | { | |
248 | return (u8) (be32_to_cpu(req_msg->offset44) & 0x7); | |
249 | } | |
250 | ||
251 | static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg, | |
252 | u8 retry_count) | |
253 | { | |
254 | req_msg->offset44 = cpu_to_be32((retry_count & 0x7) | | |
255 | (be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8)); | |
256 | } | |
257 | ||
258 | static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg) | |
259 | { | |
260 | return req_msg->offset50 >> 4; | |
261 | } | |
262 | ||
263 | static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu) | |
264 | { | |
265 | req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4)); | |
266 | } | |
267 | ||
268 | static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg) | |
269 | { | |
270 | return req_msg->offset50 & 0x7; | |
271 | } | |
272 | ||
273 | static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg, | |
274 | u8 rnr_retry_count) | |
275 | { | |
276 | req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) | | |
277 | (rnr_retry_count & 0x7)); | |
278 | } | |
279 | ||
280 | static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg) | |
281 | { | |
282 | return req_msg->offset51 >> 4; | |
283 | } | |
284 | ||
285 | static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg, | |
286 | u8 retries) | |
287 | { | |
288 | req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4)); | |
289 | } | |
290 | ||
291 | static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg) | |
292 | { | |
293 | return (req_msg->offset51 & 0x8) >> 3; | |
294 | } | |
295 | ||
296 | static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq) | |
297 | { | |
298 | req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) | | |
299 | ((srq & 0x1) << 3)); | |
300 | } | |
301 | ||
97f52eb4 | 302 | static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg) |
a977049d | 303 | { |
97f52eb4 | 304 | return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12); |
a977049d HR |
305 | } |
306 | ||
307 | static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg, | |
97f52eb4 | 308 | __be32 flow_label) |
a977049d HR |
309 | { |
310 | req_msg->primary_offset88 = cpu_to_be32( | |
311 | (be32_to_cpu(req_msg->primary_offset88) & | |
312 | 0x00000FFF) | | |
313 | (be32_to_cpu(flow_label) << 12)); | |
314 | } | |
315 | ||
316 | static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg) | |
317 | { | |
318 | return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F); | |
319 | } | |
320 | ||
321 | static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg, | |
322 | u8 rate) | |
323 | { | |
324 | req_msg->primary_offset88 = cpu_to_be32( | |
325 | (be32_to_cpu(req_msg->primary_offset88) & | |
326 | 0xFFFFFFC0) | (rate & 0x3F)); | |
327 | } | |
328 | ||
329 | static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg) | |
330 | { | |
331 | return (u8) (req_msg->primary_offset94 >> 4); | |
332 | } | |
333 | ||
334 | static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl) | |
335 | { | |
336 | req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) | | |
337 | (sl << 4)); | |
338 | } | |
339 | ||
340 | static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg) | |
341 | { | |
342 | return (u8) ((req_msg->primary_offset94 & 0x08) >> 3); | |
343 | } | |
344 | ||
345 | static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg, | |
346 | u8 subnet_local) | |
347 | { | |
348 | req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) | | |
349 | ((subnet_local & 0x1) << 3)); | |
350 | } | |
351 | ||
352 | static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg) | |
353 | { | |
354 | return (u8) (req_msg->primary_offset95 >> 3); | |
355 | } | |
356 | ||
357 | static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg, | |
358 | u8 local_ack_timeout) | |
359 | { | |
360 | req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) | | |
361 | (local_ack_timeout << 3)); | |
362 | } | |
363 | ||
97f52eb4 | 364 | static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg) |
a977049d | 365 | { |
97f52eb4 | 366 | return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12); |
a977049d HR |
367 | } |
368 | ||
369 | static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg, | |
97f52eb4 | 370 | __be32 flow_label) |
a977049d HR |
371 | { |
372 | req_msg->alt_offset132 = cpu_to_be32( | |
373 | (be32_to_cpu(req_msg->alt_offset132) & | |
374 | 0x00000FFF) | | |
375 | (be32_to_cpu(flow_label) << 12)); | |
376 | } | |
377 | ||
378 | static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg) | |
379 | { | |
380 | return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F); | |
381 | } | |
382 | ||
383 | static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg, | |
384 | u8 rate) | |
385 | { | |
386 | req_msg->alt_offset132 = cpu_to_be32( | |
387 | (be32_to_cpu(req_msg->alt_offset132) & | |
388 | 0xFFFFFFC0) | (rate & 0x3F)); | |
389 | } | |
390 | ||
391 | static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg) | |
392 | { | |
393 | return (u8) (req_msg->alt_offset138 >> 4); | |
394 | } | |
395 | ||
396 | static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl) | |
397 | { | |
398 | req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) | | |
399 | (sl << 4)); | |
400 | } | |
401 | ||
402 | static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg) | |
403 | { | |
404 | return (u8) ((req_msg->alt_offset138 & 0x08) >> 3); | |
405 | } | |
406 | ||
407 | static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg, | |
408 | u8 subnet_local) | |
409 | { | |
410 | req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) | | |
411 | ((subnet_local & 0x1) << 3)); | |
412 | } | |
413 | ||
414 | static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg) | |
415 | { | |
416 | return (u8) (req_msg->alt_offset139 >> 3); | |
417 | } | |
418 | ||
419 | static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg, | |
420 | u8 local_ack_timeout) | |
421 | { | |
422 | req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) | | |
423 | (local_ack_timeout << 3)); | |
424 | } | |
425 | ||
426 | /* Message REJected or MRAed */ | |
427 | enum cm_msg_response { | |
428 | CM_MSG_RESPONSE_REQ = 0x0, | |
429 | CM_MSG_RESPONSE_REP = 0x1, | |
430 | CM_MSG_RESPONSE_OTHER = 0x2 | |
431 | }; | |
432 | ||
433 | struct cm_mra_msg { | |
434 | struct ib_mad_hdr hdr; | |
435 | ||
97f52eb4 SH |
436 | __be32 local_comm_id; |
437 | __be32 remote_comm_id; | |
a977049d HR |
438 | /* message MRAed:2, rsvd:6 */ |
439 | u8 offset8; | |
440 | /* service timeout:5, rsvd:3 */ | |
441 | u8 offset9; | |
442 | ||
443 | u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE]; | |
444 | ||
445 | } __attribute__ ((packed)); | |
446 | ||
447 | static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg) | |
448 | { | |
449 | return (u8) (mra_msg->offset8 >> 6); | |
450 | } | |
451 | ||
452 | static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg) | |
453 | { | |
454 | mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6)); | |
455 | } | |
456 | ||
457 | static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg) | |
458 | { | |
459 | return (u8) (mra_msg->offset9 >> 3); | |
460 | } | |
461 | ||
462 | static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg, | |
463 | u8 service_timeout) | |
464 | { | |
465 | mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) | | |
466 | (service_timeout << 3)); | |
467 | } | |
468 | ||
469 | struct cm_rej_msg { | |
470 | struct ib_mad_hdr hdr; | |
471 | ||
97f52eb4 SH |
472 | __be32 local_comm_id; |
473 | __be32 remote_comm_id; | |
a977049d HR |
474 | /* message REJected:2, rsvd:6 */ |
475 | u8 offset8; | |
476 | /* reject info length:7, rsvd:1. */ | |
477 | u8 offset9; | |
97f52eb4 | 478 | __be16 reason; |
a977049d HR |
479 | u8 ari[IB_CM_REJ_ARI_LENGTH]; |
480 | ||
481 | u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE]; | |
482 | ||
483 | } __attribute__ ((packed)); | |
484 | ||
485 | static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg) | |
486 | { | |
487 | return (u8) (rej_msg->offset8 >> 6); | |
488 | } | |
489 | ||
490 | static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg) | |
491 | { | |
492 | rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6)); | |
493 | } | |
494 | ||
495 | static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg) | |
496 | { | |
497 | return (u8) (rej_msg->offset9 >> 1); | |
498 | } | |
499 | ||
500 | static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg, | |
501 | u8 len) | |
502 | { | |
503 | rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1)); | |
504 | } | |
505 | ||
506 | struct cm_rep_msg { | |
507 | struct ib_mad_hdr hdr; | |
508 | ||
97f52eb4 SH |
509 | __be32 local_comm_id; |
510 | __be32 remote_comm_id; | |
511 | __be32 local_qkey; | |
a977049d | 512 | /* local QPN:24, rsvd:8 */ |
97f52eb4 | 513 | __be32 offset12; |
a977049d | 514 | /* local EECN:24, rsvd:8 */ |
97f52eb4 | 515 | __be32 offset16; |
a977049d | 516 | /* starting PSN:24 rsvd:8 */ |
97f52eb4 | 517 | __be32 offset20; |
a977049d HR |
518 | u8 resp_resources; |
519 | u8 initiator_depth; | |
520 | /* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */ | |
521 | u8 offset26; | |
522 | /* RNR retry count:3, SRQ:1, rsvd:5 */ | |
523 | u8 offset27; | |
97f52eb4 | 524 | __be64 local_ca_guid; |
a977049d HR |
525 | |
526 | u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE]; | |
527 | ||
528 | } __attribute__ ((packed)); | |
529 | ||
97f52eb4 | 530 | static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg) |
a977049d HR |
531 | { |
532 | return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8); | |
533 | } | |
534 | ||
97f52eb4 | 535 | static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn) |
a977049d HR |
536 | { |
537 | rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
538 | (be32_to_cpu(rep_msg->offset12) & 0x000000FF)); | |
539 | } | |
540 | ||
ef700446 SH |
541 | static inline __be32 cm_rep_get_local_eecn(struct cm_rep_msg *rep_msg) |
542 | { | |
543 | return cpu_to_be32(be32_to_cpu(rep_msg->offset16) >> 8); | |
544 | } | |
545 | ||
546 | static inline void cm_rep_set_local_eecn(struct cm_rep_msg *rep_msg, __be32 eecn) | |
547 | { | |
548 | rep_msg->offset16 = cpu_to_be32((be32_to_cpu(eecn) << 8) | | |
549 | (be32_to_cpu(rep_msg->offset16) & 0x000000FF)); | |
550 | } | |
551 | ||
552 | static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type) | |
553 | { | |
554 | return (qp_type == IB_QPT_XRC_INI) ? | |
555 | cm_rep_get_local_eecn(rep_msg) : cm_rep_get_local_qpn(rep_msg); | |
556 | } | |
557 | ||
97f52eb4 | 558 | static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg) |
a977049d HR |
559 | { |
560 | return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8); | |
561 | } | |
562 | ||
563 | static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg, | |
97f52eb4 | 564 | __be32 starting_psn) |
a977049d HR |
565 | { |
566 | rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | | |
567 | (be32_to_cpu(rep_msg->offset20) & 0x000000FF)); | |
568 | } | |
569 | ||
570 | static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg) | |
571 | { | |
572 | return (u8) (rep_msg->offset26 >> 3); | |
573 | } | |
574 | ||
575 | static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg, | |
576 | u8 target_ack_delay) | |
577 | { | |
578 | rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) | | |
579 | (target_ack_delay << 3)); | |
580 | } | |
581 | ||
582 | static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg) | |
583 | { | |
584 | return (u8) ((rep_msg->offset26 & 0x06) >> 1); | |
585 | } | |
586 | ||
587 | static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover) | |
588 | { | |
589 | rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) | | |
590 | ((failover & 0x3) << 1)); | |
591 | } | |
592 | ||
593 | static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg) | |
594 | { | |
595 | return (u8) (rep_msg->offset26 & 0x01); | |
596 | } | |
597 | ||
598 | static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg, | |
599 | u8 flow_ctrl) | |
600 | { | |
601 | rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) | | |
602 | (flow_ctrl & 0x1)); | |
603 | } | |
604 | ||
605 | static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg) | |
606 | { | |
607 | return (u8) (rep_msg->offset27 >> 5); | |
608 | } | |
609 | ||
610 | static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg, | |
611 | u8 rnr_retry_count) | |
612 | { | |
613 | rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) | | |
614 | (rnr_retry_count << 5)); | |
615 | } | |
616 | ||
617 | static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg) | |
618 | { | |
619 | return (u8) ((rep_msg->offset27 >> 4) & 0x1); | |
620 | } | |
621 | ||
622 | static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq) | |
623 | { | |
624 | rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) | | |
625 | ((srq & 0x1) << 4)); | |
626 | } | |
627 | ||
628 | struct cm_rtu_msg { | |
629 | struct ib_mad_hdr hdr; | |
630 | ||
97f52eb4 SH |
631 | __be32 local_comm_id; |
632 | __be32 remote_comm_id; | |
a977049d HR |
633 | |
634 | u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE]; | |
635 | ||
636 | } __attribute__ ((packed)); | |
637 | ||
638 | struct cm_dreq_msg { | |
639 | struct ib_mad_hdr hdr; | |
640 | ||
97f52eb4 SH |
641 | __be32 local_comm_id; |
642 | __be32 remote_comm_id; | |
a977049d | 643 | /* remote QPN/EECN:24, rsvd:8 */ |
97f52eb4 | 644 | __be32 offset8; |
a977049d HR |
645 | |
646 | u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE]; | |
647 | ||
648 | } __attribute__ ((packed)); | |
649 | ||
97f52eb4 | 650 | static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg) |
a977049d HR |
651 | { |
652 | return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8); | |
653 | } | |
654 | ||
97f52eb4 | 655 | static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn) |
a977049d HR |
656 | { |
657 | dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
658 | (be32_to_cpu(dreq_msg->offset8) & 0x000000FF)); | |
659 | } | |
660 | ||
661 | struct cm_drep_msg { | |
662 | struct ib_mad_hdr hdr; | |
663 | ||
97f52eb4 SH |
664 | __be32 local_comm_id; |
665 | __be32 remote_comm_id; | |
a977049d HR |
666 | |
667 | u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE]; | |
668 | ||
669 | } __attribute__ ((packed)); | |
670 | ||
671 | struct cm_lap_msg { | |
672 | struct ib_mad_hdr hdr; | |
673 | ||
97f52eb4 SH |
674 | __be32 local_comm_id; |
675 | __be32 remote_comm_id; | |
a977049d | 676 | |
97f52eb4 | 677 | __be32 rsvd8; |
a977049d | 678 | /* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */ |
97f52eb4 SH |
679 | __be32 offset12; |
680 | __be32 rsvd16; | |
a977049d | 681 | |
97f52eb4 SH |
682 | __be16 alt_local_lid; |
683 | __be16 alt_remote_lid; | |
a977049d HR |
684 | union ib_gid alt_local_gid; |
685 | union ib_gid alt_remote_gid; | |
686 | /* flow label:20, rsvd:4, traffic class:8 */ | |
97f52eb4 | 687 | __be32 offset56; |
a977049d HR |
688 | u8 alt_hop_limit; |
689 | /* rsvd:2, packet rate:6 */ | |
97f52eb4 | 690 | u8 offset61; |
a977049d | 691 | /* SL:4, subnet local:1, rsvd:3 */ |
97f52eb4 | 692 | u8 offset62; |
a977049d | 693 | /* local ACK timeout:5, rsvd:3 */ |
97f52eb4 | 694 | u8 offset63; |
a977049d HR |
695 | |
696 | u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE]; | |
697 | } __attribute__ ((packed)); | |
698 | ||
97f52eb4 | 699 | static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg) |
a977049d HR |
700 | { |
701 | return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8); | |
702 | } | |
703 | ||
97f52eb4 | 704 | static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn) |
a977049d HR |
705 | { |
706 | lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
707 | (be32_to_cpu(lap_msg->offset12) & | |
708 | 0x000000FF)); | |
709 | } | |
710 | ||
711 | static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg) | |
712 | { | |
713 | return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3); | |
714 | } | |
715 | ||
716 | static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg, | |
717 | u8 resp_timeout) | |
718 | { | |
719 | lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) | | |
720 | (be32_to_cpu(lap_msg->offset12) & | |
721 | 0xFFFFFF07)); | |
722 | } | |
723 | ||
97f52eb4 | 724 | static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg) |
a977049d | 725 | { |
97f52eb4 | 726 | return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12); |
a977049d HR |
727 | } |
728 | ||
729 | static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg, | |
97f52eb4 | 730 | __be32 flow_label) |
a977049d | 731 | { |
97f52eb4 SH |
732 | lap_msg->offset56 = cpu_to_be32( |
733 | (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) | | |
734 | (be32_to_cpu(flow_label) << 12)); | |
a977049d HR |
735 | } |
736 | ||
737 | static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg) | |
738 | { | |
739 | return (u8) be32_to_cpu(lap_msg->offset56); | |
740 | } | |
741 | ||
742 | static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg, | |
743 | u8 traffic_class) | |
744 | { | |
745 | lap_msg->offset56 = cpu_to_be32(traffic_class | | |
746 | (be32_to_cpu(lap_msg->offset56) & | |
747 | 0xFFFFFF00)); | |
748 | } | |
749 | ||
750 | static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg) | |
751 | { | |
752 | return lap_msg->offset61 & 0x3F; | |
753 | } | |
754 | ||
755 | static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg, | |
756 | u8 packet_rate) | |
757 | { | |
758 | lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0); | |
759 | } | |
760 | ||
761 | static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg) | |
762 | { | |
763 | return lap_msg->offset62 >> 4; | |
764 | } | |
765 | ||
766 | static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl) | |
767 | { | |
768 | lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F); | |
769 | } | |
770 | ||
771 | static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg) | |
772 | { | |
773 | return (lap_msg->offset62 >> 3) & 0x1; | |
774 | } | |
775 | ||
776 | static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg, | |
777 | u8 subnet_local) | |
778 | { | |
779 | lap_msg->offset62 = ((subnet_local & 0x1) << 3) | | |
780 | (lap_msg->offset61 & 0xF7); | |
781 | } | |
782 | static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg) | |
783 | { | |
784 | return lap_msg->offset63 >> 3; | |
785 | } | |
786 | ||
787 | static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg, | |
788 | u8 local_ack_timeout) | |
789 | { | |
790 | lap_msg->offset63 = (local_ack_timeout << 3) | | |
791 | (lap_msg->offset63 & 0x07); | |
792 | } | |
793 | ||
794 | struct cm_apr_msg { | |
795 | struct ib_mad_hdr hdr; | |
796 | ||
97f52eb4 SH |
797 | __be32 local_comm_id; |
798 | __be32 remote_comm_id; | |
a977049d HR |
799 | |
800 | u8 info_length; | |
801 | u8 ap_status; | |
6f233d30 | 802 | __be16 rsvd; |
a977049d HR |
803 | u8 info[IB_CM_APR_INFO_LENGTH]; |
804 | ||
805 | u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE]; | |
806 | } __attribute__ ((packed)); | |
807 | ||
808 | struct cm_sidr_req_msg { | |
809 | struct ib_mad_hdr hdr; | |
810 | ||
97f52eb4 SH |
811 | __be32 request_id; |
812 | __be16 pkey; | |
813 | __be16 rsvd; | |
814 | __be64 service_id; | |
a977049d HR |
815 | |
816 | u8 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE]; | |
817 | } __attribute__ ((packed)); | |
818 | ||
819 | struct cm_sidr_rep_msg { | |
820 | struct ib_mad_hdr hdr; | |
821 | ||
97f52eb4 | 822 | __be32 request_id; |
a977049d HR |
823 | u8 status; |
824 | u8 info_length; | |
97f52eb4 | 825 | __be16 rsvd; |
a977049d | 826 | /* QPN:24, rsvd:8 */ |
97f52eb4 SH |
827 | __be32 offset8; |
828 | __be64 service_id; | |
829 | __be32 qkey; | |
a977049d HR |
830 | u8 info[IB_CM_SIDR_REP_INFO_LENGTH]; |
831 | ||
832 | u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE]; | |
833 | } __attribute__ ((packed)); | |
834 | ||
97f52eb4 | 835 | static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg) |
a977049d HR |
836 | { |
837 | return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8); | |
838 | } | |
839 | ||
840 | static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg, | |
97f52eb4 | 841 | __be32 qpn) |
a977049d HR |
842 | { |
843 | sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | | |
844 | (be32_to_cpu(sidr_rep_msg->offset8) & | |
845 | 0x000000FF)); | |
846 | } | |
847 | ||
848 | #endif /* CM_MSGS_H */ |