2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Voltaire, Inc. All rights reserved.
4 * Copyright (c) 2006 Intel 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 in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY 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. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
38 #include <linux/completion.h>
39 #include <linux/compiler.h>
41 #include <linux/atomic.h>
42 #include <linux/netdevice.h>
44 #include <rdma/ib_verbs.h>
45 #include <rdma/ib_mad.h>
46 #include <rdma/ib_addr.h>
47 #include <rdma/opa_addr.h>
50 IB_SA_CLASS_VERSION
= 2, /* IB spec version 1.1/1.2 */
52 IB_SA_METHOD_GET_TABLE
= 0x12,
53 IB_SA_METHOD_GET_TABLE_RESP
= 0x92,
54 IB_SA_METHOD_DELETE
= 0x15,
55 IB_SA_METHOD_DELETE_RESP
= 0x95,
56 IB_SA_METHOD_GET_MULTI
= 0x14,
57 IB_SA_METHOD_GET_MULTI_RESP
= 0x94,
58 IB_SA_METHOD_GET_TRACE_TBL
= 0x13
61 #define OPA_SA_CLASS_VERSION 0x80
63 IB_SA_ATTR_CLASS_PORTINFO
= 0x01,
64 IB_SA_ATTR_NOTICE
= 0x02,
65 IB_SA_ATTR_INFORM_INFO
= 0x03,
66 IB_SA_ATTR_NODE_REC
= 0x11,
67 IB_SA_ATTR_PORT_INFO_REC
= 0x12,
68 IB_SA_ATTR_SL2VL_REC
= 0x13,
69 IB_SA_ATTR_SWITCH_REC
= 0x14,
70 IB_SA_ATTR_LINEAR_FDB_REC
= 0x15,
71 IB_SA_ATTR_RANDOM_FDB_REC
= 0x16,
72 IB_SA_ATTR_MCAST_FDB_REC
= 0x17,
73 IB_SA_ATTR_SM_INFO_REC
= 0x18,
74 IB_SA_ATTR_LINK_REC
= 0x20,
75 IB_SA_ATTR_GUID_INFO_REC
= 0x30,
76 IB_SA_ATTR_SERVICE_REC
= 0x31,
77 IB_SA_ATTR_PARTITION_REC
= 0x33,
78 IB_SA_ATTR_PATH_REC
= 0x35,
79 IB_SA_ATTR_VL_ARB_REC
= 0x36,
80 IB_SA_ATTR_MC_MEMBER_REC
= 0x38,
81 IB_SA_ATTR_TRACE_REC
= 0x39,
82 IB_SA_ATTR_MULTI_PATH_REC
= 0x3a,
83 IB_SA_ATTR_SERVICE_ASSOC_REC
= 0x3b,
84 IB_SA_ATTR_INFORM_INFO_REC
= 0xf3
92 * The meaning of "best" depends on the attribute: for
93 * example, for MTU best will return the largest available
94 * MTU, while for packet life time, best will return the
95 * smallest available life time.
101 * There are 4 types of join states:
102 * FullMember, NonMember, SendOnlyNonMember, SendOnlyFullMember.
103 * The order corresponds to JoinState bits in MCMemberRecord.
105 enum ib_sa_mc_join_states
{
108 SENDONLY_NONMEBER_JOIN
,
109 SENDONLY_FULLMEMBER_JOIN
,
110 NUM_JOIN_MEMBERSHIP_TYPES
,
113 #define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12)
116 * Structures for SA records are named "struct ib_sa_xxx_rec." No
117 * attempt is made to pack structures to match the physical layout of
118 * SA records in SA MADs; all packing and unpacking is handled by the
121 * For a record with structure ib_sa_xxx_rec, the naming convention
122 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
123 * never use different abbreviations or otherwise change the spelling
124 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
126 * Reserved rows are indicated with comments to help maintainability.
129 #define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\
131 #define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
132 #define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
133 #define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
134 #define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
135 #define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
137 #define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
138 #define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
139 #define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
140 #define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
141 #define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
142 #define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
143 #define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)
144 #define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
145 #define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
146 #define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
147 #define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
148 #define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
149 #define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
150 #define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
151 #define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
153 enum sa_path_rec_type
{
155 SA_PATH_REC_TYPE_ROCE_V1
,
156 SA_PATH_REC_TYPE_ROCE_V2
,
160 struct sa_path_rec_ib
{
166 struct sa_path_rec_roce
{
175 struct sa_path_rec_opa
{
204 u8 packet_life_time_selector
;
208 struct sa_path_rec_ib ib
;
209 struct sa_path_rec_roce roce
;
210 struct sa_path_rec_opa opa
;
212 enum sa_path_rec_type rec_type
;
215 static inline enum ib_gid_type
216 sa_conv_pathrec_to_gid_type(struct sa_path_rec
*rec
)
218 switch (rec
->rec_type
) {
219 case SA_PATH_REC_TYPE_ROCE_V1
:
220 return IB_GID_TYPE_ROCE
;
221 case SA_PATH_REC_TYPE_ROCE_V2
:
222 return IB_GID_TYPE_ROCE_UDP_ENCAP
;
224 return IB_GID_TYPE_IB
;
228 static inline enum sa_path_rec_type
229 sa_conv_gid_to_pathrec_type(enum ib_gid_type type
)
232 case IB_GID_TYPE_ROCE
:
233 return SA_PATH_REC_TYPE_ROCE_V1
;
234 case IB_GID_TYPE_ROCE_UDP_ENCAP
:
235 return SA_PATH_REC_TYPE_ROCE_V2
;
237 return SA_PATH_REC_TYPE_IB
;
241 static inline void path_conv_opa_to_ib(struct sa_path_rec
*ib
,
242 struct sa_path_rec
*opa
)
244 if ((be32_to_cpu(opa
->opa
.dlid
) >=
245 be16_to_cpu(IB_MULTICAST_LID_BASE
)) ||
246 (be32_to_cpu(opa
->opa
.slid
) >=
247 be16_to_cpu(IB_MULTICAST_LID_BASE
))) {
248 /* Create OPA GID and zero out the LID */
249 ib
->dgid
.global
.interface_id
250 = OPA_MAKE_ID(be32_to_cpu(opa
->opa
.dlid
));
251 ib
->dgid
.global
.subnet_prefix
252 = opa
->dgid
.global
.subnet_prefix
;
253 ib
->sgid
.global
.interface_id
254 = OPA_MAKE_ID(be32_to_cpu(opa
->opa
.slid
));
255 ib
->dgid
.global
.subnet_prefix
256 = opa
->dgid
.global
.subnet_prefix
;
261 ib
->ib
.dlid
= htons(ntohl(opa
->opa
.dlid
));
262 ib
->ib
.slid
= htons(ntohl(opa
->opa
.slid
));
264 ib
->service_id
= opa
->service_id
;
265 ib
->ib
.raw_traffic
= opa
->opa
.raw_traffic
;
268 static inline void path_conv_ib_to_opa(struct sa_path_rec
*opa
,
269 struct sa_path_rec
*ib
)
273 if ((ib_is_opa_gid(&ib
->sgid
)) ||
274 (ib_is_opa_gid(&ib
->dgid
))) {
275 slid
= htonl(opa_get_lid_from_gid(&ib
->sgid
));
276 dlid
= htonl(opa_get_lid_from_gid(&ib
->dgid
));
278 slid
= htonl(ntohs(ib
->ib
.slid
));
279 dlid
= htonl(ntohs(ib
->ib
.dlid
));
281 opa
->opa
.slid
= slid
;
282 opa
->opa
.dlid
= dlid
;
283 opa
->service_id
= ib
->service_id
;
284 opa
->opa
.raw_traffic
= ib
->ib
.raw_traffic
;
287 /* Convert from OPA to IB path record */
288 static inline void sa_convert_path_opa_to_ib(struct sa_path_rec
*dest
,
289 struct sa_path_rec
*src
)
291 if (src
->rec_type
!= SA_PATH_REC_TYPE_OPA
)
295 dest
->rec_type
= SA_PATH_REC_TYPE_IB
;
296 path_conv_opa_to_ib(dest
, src
);
299 /* Convert from IB to OPA path record */
300 static inline void sa_convert_path_ib_to_opa(struct sa_path_rec
*dest
,
301 struct sa_path_rec
*src
)
303 if (src
->rec_type
!= SA_PATH_REC_TYPE_IB
)
306 /* Do a structure copy and overwrite the relevant fields */
308 dest
->rec_type
= SA_PATH_REC_TYPE_OPA
;
309 path_conv_ib_to_opa(dest
, src
);
312 #define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
313 #define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
314 #define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
315 #define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
316 #define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
317 #define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
318 #define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
319 #define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
320 #define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
321 #define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
322 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
323 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
324 #define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
325 #define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
326 #define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
327 #define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
328 #define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
329 #define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
331 struct ib_sa_mcmember_rec
{
333 union ib_gid port_gid
;
342 u8 packet_life_time_selector
;
352 /* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
353 #define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
354 #define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
355 #define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
357 #define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
358 #define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
359 #define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
360 #define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
361 #define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
362 #define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
363 #define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
364 #define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
365 #define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
366 #define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
367 #define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
368 #define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
369 #define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
370 #define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
371 #define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
372 #define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
373 #define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
374 #define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
375 #define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
376 #define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
377 #define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
378 #define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
379 #define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
380 #define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
381 #define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
382 #define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
383 #define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
384 #define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
385 #define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
386 #define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
387 #define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
388 #define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
389 #define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
391 #define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
393 struct ib_sa_service_rec
{
407 #define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0)
408 #define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1)
409 #define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2)
410 #define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3)
411 #define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4)
412 #define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5)
413 #define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6)
414 #define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7)
415 #define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8)
416 #define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9)
417 #define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10)
418 #define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11)
420 struct ib_sa_guidinfo_rec
{
426 u8 guid_info_list
[64];
429 struct ib_sa_client
{
431 struct completion comp
;
435 * ib_sa_register_client - Register an SA client.
437 void ib_sa_register_client(struct ib_sa_client
*client
);
440 * ib_sa_unregister_client - Deregister an SA client.
441 * @client: Client object to deregister.
443 void ib_sa_unregister_client(struct ib_sa_client
*client
);
447 void ib_sa_cancel_query(int id
, struct ib_sa_query
*query
);
449 int ib_sa_path_rec_get(struct ib_sa_client
*client
,
450 struct ib_device
*device
, u8 port_num
,
451 struct sa_path_rec
*rec
,
452 ib_sa_comp_mask comp_mask
,
453 int timeout_ms
, gfp_t gfp_mask
,
454 void (*callback
)(int status
,
455 struct sa_path_rec
*resp
,
458 struct ib_sa_query
**query
);
460 int ib_sa_service_rec_query(struct ib_sa_client
*client
,
461 struct ib_device
*device
, u8 port_num
,
463 struct ib_sa_service_rec
*rec
,
464 ib_sa_comp_mask comp_mask
,
465 int timeout_ms
, gfp_t gfp_mask
,
466 void (*callback
)(int status
,
467 struct ib_sa_service_rec
*resp
,
470 struct ib_sa_query
**sa_query
);
472 struct ib_sa_multicast
{
473 struct ib_sa_mcmember_rec rec
;
474 ib_sa_comp_mask comp_mask
;
475 int (*callback
)(int status
,
476 struct ib_sa_multicast
*multicast
);
481 * ib_sa_join_multicast - Initiates a join request to the specified multicast
484 * @device: Device associated with the multicast group.
485 * @port_num: Port on the specified device to associate with the multicast
487 * @rec: SA multicast member record specifying group attributes.
488 * @comp_mask: Component mask indicating which group attributes of %rec are
490 * @gfp_mask: GFP mask for memory allocations.
491 * @callback: User callback invoked once the join operation completes.
492 * @context: User specified context stored with the ib_sa_multicast structure.
494 * This call initiates a multicast join request with the SA for the specified
495 * multicast group. If the join operation is started successfully, it returns
496 * an ib_sa_multicast structure that is used to track the multicast operation.
497 * Users must free this structure by calling ib_free_multicast, even if the
498 * join operation later fails. (The callback status is non-zero.)
500 * If the join operation fails; status will be non-zero, with the following
502 * -ETIMEDOUT: The request timed out.
503 * -EIO: An error occurred sending the query.
504 * -EINVAL: The MCMemberRecord values differed from the existing group's.
505 * -ENETRESET: Indicates that an fatal error has occurred on the multicast
506 * group, and the user must rejoin the group to continue using it.
508 struct ib_sa_multicast
*ib_sa_join_multicast(struct ib_sa_client
*client
,
509 struct ib_device
*device
, u8 port_num
,
510 struct ib_sa_mcmember_rec
*rec
,
511 ib_sa_comp_mask comp_mask
, gfp_t gfp_mask
,
512 int (*callback
)(int status
,
513 struct ib_sa_multicast
518 * ib_free_multicast - Frees the multicast tracking structure, and releases
519 * any reference on the multicast group.
520 * @multicast: Multicast tracking structure allocated by ib_join_multicast.
522 * This call blocks until the multicast identifier is destroyed. It may
523 * not be called from within the multicast callback; however, returning a non-
524 * zero value from the callback will result in destroying the multicast
525 * tracking structure.
527 void ib_sa_free_multicast(struct ib_sa_multicast
*multicast
);
530 * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
531 * returns it if found.
532 * @device: Device associated with the multicast group.
533 * @port_num: Port on the specified device to associate with the multicast
535 * @mgid: MGID of multicast group.
536 * @rec: Location to copy SA multicast member record.
538 int ib_sa_get_mcmember_rec(struct ib_device
*device
, u8 port_num
,
539 union ib_gid
*mgid
, struct ib_sa_mcmember_rec
*rec
);
542 * ib_init_ah_from_mcmember - Initialize address handle attributes based on
543 * an SA multicast member record.
545 int ib_init_ah_from_mcmember(struct ib_device
*device
, u8 port_num
,
546 struct ib_sa_mcmember_rec
*rec
,
547 struct net_device
*ndev
,
548 enum ib_gid_type gid_type
,
549 struct rdma_ah_attr
*ah_attr
);
552 * ib_init_ah_attr_from_path - Initialize address handle attributes based on
555 int ib_init_ah_attr_from_path(struct ib_device
*device
, u8 port_num
,
556 struct sa_path_rec
*rec
,
557 struct rdma_ah_attr
*ah_attr
);
560 * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
561 * to IB MAD wire format.
563 void ib_sa_pack_path(struct sa_path_rec
*rec
, void *attribute
);
566 * ib_sa_unpack_path - Convert a path record from MAD format to struct
569 void ib_sa_unpack_path(void *attribute
, struct sa_path_rec
*rec
);
571 /* Support GuidInfoRecord */
572 int ib_sa_guid_info_rec_query(struct ib_sa_client
*client
,
573 struct ib_device
*device
, u8 port_num
,
574 struct ib_sa_guidinfo_rec
*rec
,
575 ib_sa_comp_mask comp_mask
, u8 method
,
576 int timeout_ms
, gfp_t gfp_mask
,
577 void (*callback
)(int status
,
578 struct ib_sa_guidinfo_rec
*resp
,
581 struct ib_sa_query
**sa_query
);
583 bool ib_sa_sendonly_fullmem_support(struct ib_sa_client
*client
,
584 struct ib_device
*device
,
587 static inline bool sa_path_is_roce(struct sa_path_rec
*rec
)
589 return ((rec
->rec_type
== SA_PATH_REC_TYPE_ROCE_V1
) ||
590 (rec
->rec_type
== SA_PATH_REC_TYPE_ROCE_V2
));
593 static inline void sa_path_set_slid(struct sa_path_rec
*rec
, u32 slid
)
595 if (rec
->rec_type
== SA_PATH_REC_TYPE_IB
)
596 rec
->ib
.slid
= cpu_to_be16(slid
);
597 else if (rec
->rec_type
== SA_PATH_REC_TYPE_OPA
)
598 rec
->opa
.slid
= cpu_to_be32(slid
);
601 static inline void sa_path_set_dlid(struct sa_path_rec
*rec
, u32 dlid
)
603 if (rec
->rec_type
== SA_PATH_REC_TYPE_IB
)
604 rec
->ib
.dlid
= cpu_to_be16(dlid
);
605 else if (rec
->rec_type
== SA_PATH_REC_TYPE_OPA
)
606 rec
->opa
.dlid
= cpu_to_be32(dlid
);
609 static inline void sa_path_set_raw_traffic(struct sa_path_rec
*rec
,
612 if (rec
->rec_type
== SA_PATH_REC_TYPE_IB
)
613 rec
->ib
.raw_traffic
= raw_traffic
;
614 else if (rec
->rec_type
== SA_PATH_REC_TYPE_OPA
)
615 rec
->opa
.raw_traffic
= raw_traffic
;
618 static inline __be32
sa_path_get_slid(struct sa_path_rec
*rec
)
620 if (rec
->rec_type
== SA_PATH_REC_TYPE_IB
)
621 return htonl(ntohs(rec
->ib
.slid
));
622 else if (rec
->rec_type
== SA_PATH_REC_TYPE_OPA
)
623 return rec
->opa
.slid
;
627 static inline __be32
sa_path_get_dlid(struct sa_path_rec
*rec
)
629 if (rec
->rec_type
== SA_PATH_REC_TYPE_IB
)
630 return htonl(ntohs(rec
->ib
.dlid
));
631 else if (rec
->rec_type
== SA_PATH_REC_TYPE_OPA
)
632 return rec
->opa
.dlid
;
636 static inline u8
sa_path_get_raw_traffic(struct sa_path_rec
*rec
)
638 if (rec
->rec_type
== SA_PATH_REC_TYPE_IB
)
639 return rec
->ib
.raw_traffic
;
640 else if (rec
->rec_type
== SA_PATH_REC_TYPE_OPA
)
641 return rec
->opa
.raw_traffic
;
645 static inline void sa_path_set_dmac(struct sa_path_rec
*rec
, u8
*dmac
)
647 if (sa_path_is_roce(rec
))
648 memcpy(rec
->roce
.dmac
, dmac
, ETH_ALEN
);
651 static inline void sa_path_set_dmac_zero(struct sa_path_rec
*rec
)
653 if (sa_path_is_roce(rec
))
654 eth_zero_addr(rec
->roce
.dmac
);
657 static inline void sa_path_set_ifindex(struct sa_path_rec
*rec
, int ifindex
)
659 if (sa_path_is_roce(rec
))
660 rec
->roce
.ifindex
= ifindex
;
663 static inline void sa_path_set_ndev(struct sa_path_rec
*rec
, struct net
*net
)
665 if (sa_path_is_roce(rec
))
669 static inline u8
*sa_path_get_dmac(struct sa_path_rec
*rec
)
671 if (sa_path_is_roce(rec
))
672 return rec
->roce
.dmac
;
676 static inline int sa_path_get_ifindex(struct sa_path_rec
*rec
)
678 if (sa_path_is_roce(rec
))
679 return rec
->roce
.ifindex
;
683 static inline struct net
*sa_path_get_ndev(struct sa_path_rec
*rec
)
685 if (sa_path_is_roce(rec
))
686 return rec
->roce
.net
;
690 static inline struct net_device
*ib_get_ndev_from_path(struct sa_path_rec
*rec
)
692 return sa_path_get_ndev(rec
) ?
693 dev_get_by_index(sa_path_get_ndev(rec
),
694 sa_path_get_ifindex(rec
))