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>
49 IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
51 IB_SA_METHOD_GET_TABLE = 0x12,
52 IB_SA_METHOD_GET_TABLE_RESP = 0x92,
53 IB_SA_METHOD_DELETE = 0x15,
54 IB_SA_METHOD_DELETE_RESP = 0x95,
55 IB_SA_METHOD_GET_MULTI = 0x14,
56 IB_SA_METHOD_GET_MULTI_RESP = 0x94,
57 IB_SA_METHOD_GET_TRACE_TBL = 0x13
60 #define OPA_SA_CLASS_VERSION 0x80
62 IB_SA_ATTR_CLASS_PORTINFO = 0x01,
63 IB_SA_ATTR_NOTICE = 0x02,
64 IB_SA_ATTR_INFORM_INFO = 0x03,
65 IB_SA_ATTR_NODE_REC = 0x11,
66 IB_SA_ATTR_PORT_INFO_REC = 0x12,
67 IB_SA_ATTR_SL2VL_REC = 0x13,
68 IB_SA_ATTR_SWITCH_REC = 0x14,
69 IB_SA_ATTR_LINEAR_FDB_REC = 0x15,
70 IB_SA_ATTR_RANDOM_FDB_REC = 0x16,
71 IB_SA_ATTR_MCAST_FDB_REC = 0x17,
72 IB_SA_ATTR_SM_INFO_REC = 0x18,
73 IB_SA_ATTR_LINK_REC = 0x20,
74 IB_SA_ATTR_GUID_INFO_REC = 0x30,
75 IB_SA_ATTR_SERVICE_REC = 0x31,
76 IB_SA_ATTR_PARTITION_REC = 0x33,
77 IB_SA_ATTR_PATH_REC = 0x35,
78 IB_SA_ATTR_VL_ARB_REC = 0x36,
79 IB_SA_ATTR_MC_MEMBER_REC = 0x38,
80 IB_SA_ATTR_TRACE_REC = 0x39,
81 IB_SA_ATTR_MULTI_PATH_REC = 0x3a,
82 IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
83 IB_SA_ATTR_INFORM_INFO_REC = 0xf3
91 * The meaning of "best" depends on the attribute: for
92 * example, for MTU best will return the largest available
93 * MTU, while for packet life time, best will return the
94 * smallest available life time.
100 * There are 4 types of join states:
101 * FullMember, NonMember, SendOnlyNonMember, SendOnlyFullMember.
102 * The order corresponds to JoinState bits in MCMemberRecord.
104 enum ib_sa_mc_join_states {
107 SENDONLY_NONMEBER_JOIN,
108 SENDONLY_FULLMEMBER_JOIN,
109 NUM_JOIN_MEMBERSHIP_TYPES,
112 #define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12)
115 * Structures for SA records are named "struct ib_sa_xxx_rec." No
116 * attempt is made to pack structures to match the physical layout of
117 * SA records in SA MADs; all packing and unpacking is handled by the
120 * For a record with structure ib_sa_xxx_rec, the naming convention
121 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
122 * never use different abbreviations or otherwise change the spelling
123 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
125 * Reserved rows are indicated with comments to help maintainability.
128 #define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\
130 #define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
131 #define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
132 #define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
133 #define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
134 #define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
136 #define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
137 #define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
138 #define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
139 #define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
140 #define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
141 #define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
142 #define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)
143 #define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
144 #define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
145 #define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
146 #define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
147 #define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
148 #define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
149 #define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
150 #define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
152 enum sa_path_rec_type {
154 SA_PATH_REC_TYPE_ROCE_V1,
155 SA_PATH_REC_TYPE_ROCE_V2
158 struct sa_path_rec_ib {
165 struct sa_path_rec_roce {
190 u8 packet_life_time_selector;
194 struct sa_path_rec_ib ib;
195 struct sa_path_rec_roce roce;
197 enum sa_path_rec_type rec_type;
200 static inline enum ib_gid_type
201 sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec)
203 switch (rec->rec_type) {
204 case SA_PATH_REC_TYPE_ROCE_V1:
205 return IB_GID_TYPE_ROCE;
206 case SA_PATH_REC_TYPE_ROCE_V2:
207 return IB_GID_TYPE_ROCE_UDP_ENCAP;
209 return IB_GID_TYPE_IB;
213 static inline enum sa_path_rec_type
214 sa_conv_gid_to_pathrec_type(enum ib_gid_type type)
217 case IB_GID_TYPE_ROCE:
218 return SA_PATH_REC_TYPE_ROCE_V1;
219 case IB_GID_TYPE_ROCE_UDP_ENCAP:
220 return SA_PATH_REC_TYPE_ROCE_V2;
222 return SA_PATH_REC_TYPE_IB;
226 #define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
227 #define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
228 #define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
229 #define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
230 #define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
231 #define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
232 #define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
233 #define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
234 #define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
235 #define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
236 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
237 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
238 #define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
239 #define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
240 #define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
241 #define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
242 #define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
243 #define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
245 struct ib_sa_mcmember_rec {
247 union ib_gid port_gid;
256 u8 packet_life_time_selector;
266 /* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
267 #define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
268 #define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
269 #define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
271 #define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
272 #define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
273 #define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
274 #define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
275 #define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
276 #define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
277 #define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
278 #define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
279 #define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
280 #define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
281 #define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
282 #define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
283 #define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
284 #define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
285 #define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
286 #define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
287 #define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
288 #define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
289 #define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
290 #define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
291 #define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
292 #define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
293 #define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
294 #define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
295 #define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
296 #define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
297 #define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
298 #define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
299 #define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
300 #define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
301 #define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
302 #define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
303 #define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
305 #define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
307 struct ib_sa_service_rec {
321 #define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0)
322 #define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1)
323 #define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2)
324 #define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3)
325 #define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4)
326 #define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5)
327 #define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6)
328 #define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7)
329 #define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8)
330 #define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9)
331 #define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10)
332 #define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11)
334 struct ib_sa_guidinfo_rec {
340 u8 guid_info_list[64];
343 struct ib_sa_client {
345 struct completion comp;
349 * ib_sa_register_client - Register an SA client.
351 void ib_sa_register_client(struct ib_sa_client *client);
354 * ib_sa_unregister_client - Deregister an SA client.
355 * @client: Client object to deregister.
357 void ib_sa_unregister_client(struct ib_sa_client *client);
361 void ib_sa_cancel_query(int id, struct ib_sa_query *query);
363 int ib_sa_path_rec_get(struct ib_sa_client *client,
364 struct ib_device *device, u8 port_num,
365 struct sa_path_rec *rec,
366 ib_sa_comp_mask comp_mask,
367 int timeout_ms, gfp_t gfp_mask,
368 void (*callback)(int status,
369 struct sa_path_rec *resp,
372 struct ib_sa_query **query);
374 int ib_sa_service_rec_query(struct ib_sa_client *client,
375 struct ib_device *device, u8 port_num,
377 struct ib_sa_service_rec *rec,
378 ib_sa_comp_mask comp_mask,
379 int timeout_ms, gfp_t gfp_mask,
380 void (*callback)(int status,
381 struct ib_sa_service_rec *resp,
384 struct ib_sa_query **sa_query);
386 struct ib_sa_multicast {
387 struct ib_sa_mcmember_rec rec;
388 ib_sa_comp_mask comp_mask;
389 int (*callback)(int status,
390 struct ib_sa_multicast *multicast);
395 * ib_sa_join_multicast - Initiates a join request to the specified multicast
398 * @device: Device associated with the multicast group.
399 * @port_num: Port on the specified device to associate with the multicast
401 * @rec: SA multicast member record specifying group attributes.
402 * @comp_mask: Component mask indicating which group attributes of %rec are
404 * @gfp_mask: GFP mask for memory allocations.
405 * @callback: User callback invoked once the join operation completes.
406 * @context: User specified context stored with the ib_sa_multicast structure.
408 * This call initiates a multicast join request with the SA for the specified
409 * multicast group. If the join operation is started successfully, it returns
410 * an ib_sa_multicast structure that is used to track the multicast operation.
411 * Users must free this structure by calling ib_free_multicast, even if the
412 * join operation later fails. (The callback status is non-zero.)
414 * If the join operation fails; status will be non-zero, with the following
416 * -ETIMEDOUT: The request timed out.
417 * -EIO: An error occurred sending the query.
418 * -EINVAL: The MCMemberRecord values differed from the existing group's.
419 * -ENETRESET: Indicates that an fatal error has occurred on the multicast
420 * group, and the user must rejoin the group to continue using it.
422 struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
423 struct ib_device *device, u8 port_num,
424 struct ib_sa_mcmember_rec *rec,
425 ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
426 int (*callback)(int status,
427 struct ib_sa_multicast
432 * ib_free_multicast - Frees the multicast tracking structure, and releases
433 * any reference on the multicast group.
434 * @multicast: Multicast tracking structure allocated by ib_join_multicast.
436 * This call blocks until the multicast identifier is destroyed. It may
437 * not be called from within the multicast callback; however, returning a non-
438 * zero value from the callback will result in destroying the multicast
439 * tracking structure.
441 void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
444 * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
445 * returns it if found.
446 * @device: Device associated with the multicast group.
447 * @port_num: Port on the specified device to associate with the multicast
449 * @mgid: MGID of multicast group.
450 * @rec: Location to copy SA multicast member record.
452 int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
453 union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
456 * ib_init_ah_from_mcmember - Initialize address handle attributes based on
457 * an SA multicast member record.
459 int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
460 struct ib_sa_mcmember_rec *rec,
461 struct net_device *ndev,
462 enum ib_gid_type gid_type,
463 struct rdma_ah_attr *ah_attr);
466 * ib_init_ah_from_path - Initialize address handle attributes based on an SA
469 int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
470 struct sa_path_rec *rec,
471 struct rdma_ah_attr *ah_attr);
474 * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
475 * to IB MAD wire format.
477 void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute);
480 * ib_sa_unpack_path - Convert a path record from MAD format to struct
483 void ib_sa_unpack_path(void *attribute, struct sa_path_rec *rec);
485 /* Support GuidInfoRecord */
486 int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
487 struct ib_device *device, u8 port_num,
488 struct ib_sa_guidinfo_rec *rec,
489 ib_sa_comp_mask comp_mask, u8 method,
490 int timeout_ms, gfp_t gfp_mask,
491 void (*callback)(int status,
492 struct ib_sa_guidinfo_rec *resp,
495 struct ib_sa_query **sa_query);
497 bool ib_sa_sendonly_fullmem_support(struct ib_sa_client *client,
498 struct ib_device *device,
501 static inline bool sa_path_is_roce(struct sa_path_rec *rec)
503 return ((rec->rec_type == SA_PATH_REC_TYPE_ROCE_V1) ||
504 (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2));
507 static inline void sa_path_set_service_id(struct sa_path_rec *rec,
510 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
511 rec->ib.service_id = service_id;
514 static inline void sa_path_set_slid(struct sa_path_rec *rec, __be16 slid)
516 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
520 static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be16 dlid)
522 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
526 static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
529 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
530 rec->ib.raw_traffic = raw_traffic;
533 static inline __be64 sa_path_get_service_id(struct sa_path_rec *rec)
535 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
536 return rec->ib.service_id;
540 static inline __be16 sa_path_get_slid(struct sa_path_rec *rec)
542 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
547 static inline __be16 sa_path_get_dlid(struct sa_path_rec *rec)
549 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
554 static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec)
556 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
557 return rec->ib.raw_traffic;
561 static inline void sa_path_set_dmac(struct sa_path_rec *rec, u8 *dmac)
563 if (sa_path_is_roce(rec))
564 memcpy(rec->roce.dmac, dmac, ETH_ALEN);
567 static inline void sa_path_set_dmac_zero(struct sa_path_rec *rec)
569 if (sa_path_is_roce(rec))
570 eth_zero_addr(rec->roce.dmac);
573 static inline void sa_path_set_ifindex(struct sa_path_rec *rec, int ifindex)
575 if (sa_path_is_roce(rec))
576 rec->roce.ifindex = ifindex;
579 static inline void sa_path_set_ndev(struct sa_path_rec *rec, struct net *net)
581 if (sa_path_is_roce(rec))
585 static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec)
587 if (sa_path_is_roce(rec))
588 return rec->roce.dmac;
592 static inline int sa_path_get_ifindex(struct sa_path_rec *rec)
594 if (sa_path_is_roce(rec))
595 return rec->roce.ifindex;
599 static inline struct net *sa_path_get_ndev(struct sa_path_rec *rec)
601 if (sa_path_is_roce(rec))
602 return rec->roce.net;
606 static inline struct net_device *ib_get_ndev_from_path(struct sa_path_rec *rec)
608 return sa_path_get_ndev(rec) ?
609 dev_get_by_index(sa_path_get_ndev(rec),
610 sa_path_get_ifindex(rec))