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1/*
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.
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 in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
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.
24 *
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
32 * SOFTWARE.
33 */
34
35#ifndef IB_SA_H
36#define IB_SA_H
37
38#include <linux/completion.h>
39#include <linux/compiler.h>
40
41#include <linux/atomic.h>
42
43#include <rdma/ib_verbs.h>
44#include <rdma/ib_mad.h>
45
46enum {
47 IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
48
49 IB_SA_METHOD_GET_TABLE = 0x12,
50 IB_SA_METHOD_GET_TABLE_RESP = 0x92,
51 IB_SA_METHOD_DELETE = 0x15,
52 IB_SA_METHOD_DELETE_RESP = 0x95,
53 IB_SA_METHOD_GET_MULTI = 0x14,
54 IB_SA_METHOD_GET_MULTI_RESP = 0x94,
55 IB_SA_METHOD_GET_TRACE_TBL = 0x13
56};
57
58enum {
59 IB_SA_ATTR_CLASS_PORTINFO = 0x01,
60 IB_SA_ATTR_NOTICE = 0x02,
61 IB_SA_ATTR_INFORM_INFO = 0x03,
62 IB_SA_ATTR_NODE_REC = 0x11,
63 IB_SA_ATTR_PORT_INFO_REC = 0x12,
64 IB_SA_ATTR_SL2VL_REC = 0x13,
65 IB_SA_ATTR_SWITCH_REC = 0x14,
66 IB_SA_ATTR_LINEAR_FDB_REC = 0x15,
67 IB_SA_ATTR_RANDOM_FDB_REC = 0x16,
68 IB_SA_ATTR_MCAST_FDB_REC = 0x17,
69 IB_SA_ATTR_SM_INFO_REC = 0x18,
70 IB_SA_ATTR_LINK_REC = 0x20,
71 IB_SA_ATTR_GUID_INFO_REC = 0x30,
72 IB_SA_ATTR_SERVICE_REC = 0x31,
73 IB_SA_ATTR_PARTITION_REC = 0x33,
74 IB_SA_ATTR_PATH_REC = 0x35,
75 IB_SA_ATTR_VL_ARB_REC = 0x36,
76 IB_SA_ATTR_MC_MEMBER_REC = 0x38,
77 IB_SA_ATTR_TRACE_REC = 0x39,
78 IB_SA_ATTR_MULTI_PATH_REC = 0x3a,
79 IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
80 IB_SA_ATTR_INFORM_INFO_REC = 0xf3
81};
82
83enum ib_sa_selector {
84 IB_SA_GT = 0,
85 IB_SA_LT = 1,
86 IB_SA_EQ = 2,
87 /*
88 * The meaning of "best" depends on the attribute: for
89 * example, for MTU best will return the largest available
90 * MTU, while for packet life time, best will return the
91 * smallest available life time.
92 */
93 IB_SA_BEST = 3
94};
95
96/*
97 * Structures for SA records are named "struct ib_sa_xxx_rec." No
98 * attempt is made to pack structures to match the physical layout of
99 * SA records in SA MADs; all packing and unpacking is handled by the
100 * SA query code.
101 *
102 * For a record with structure ib_sa_xxx_rec, the naming convention
103 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
104 * never use different abbreviations or otherwise change the spelling
105 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
106 *
107 * Reserved rows are indicated with comments to help maintainability.
108 */
109
110#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\
111 IB_SA_COMP_MASK( 1))
112#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
113#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
114#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
115#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
116#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
117/* reserved: 7 */
118#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
119#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
120#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
121#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
122#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
123#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
124#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)
125#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
126#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
127#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
128#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
129#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
130#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
131#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
132#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
133
134struct ib_sa_path_rec {
135 __be64 service_id;
136 union ib_gid dgid;
137 union ib_gid sgid;
138 __be16 dlid;
139 __be16 slid;
140 int raw_traffic;
141 /* reserved */
142 __be32 flow_label;
143 u8 hop_limit;
144 u8 traffic_class;
145 int reversible;
146 u8 numb_path;
147 __be16 pkey;
148 __be16 qos_class;
149 u8 sl;
150 u8 mtu_selector;
151 u8 mtu;
152 u8 rate_selector;
153 u8 rate;
154 u8 packet_life_time_selector;
155 u8 packet_life_time;
156 u8 preference;
157};
158
159#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
160#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
161#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
162#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
163#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
164#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
165#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
166#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
167#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
168#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
169#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
170#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
171#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
172#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
173#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
174#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
175#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
176#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
177
178struct ib_sa_mcmember_rec {
179 union ib_gid mgid;
180 union ib_gid port_gid;
181 __be32 qkey;
182 __be16 mlid;
183 u8 mtu_selector;
184 u8 mtu;
185 u8 traffic_class;
186 __be16 pkey;
187 u8 rate_selector;
188 u8 rate;
189 u8 packet_life_time_selector;
190 u8 packet_life_time;
191 u8 sl;
192 __be32 flow_label;
193 u8 hop_limit;
194 u8 scope;
195 u8 join_state;
196 int proxy_join;
197};
198
199/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
200#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
201#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
202#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
203/* reserved: 3 */
204#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
205#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
206#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
207#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
208#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
209#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
210#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
211#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
212#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
213#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
214#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
215#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
216#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
217#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
218#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
219#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
220#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
221#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
222#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
223#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
224#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
225#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
226#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
227#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
228#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
229#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
230#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
231#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
232#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
233#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
234#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
235#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
236#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
237
238#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
239
240struct ib_sa_service_rec {
241 u64 id;
242 union ib_gid gid;
243 __be16 pkey;
244 /* reserved */
245 u32 lease;
246 u8 key[16];
247 u8 name[64];
248 u8 data8[16];
249 u16 data16[8];
250 u32 data32[4];
251 u64 data64[2];
252};
253
254struct ib_sa_client {
255 atomic_t users;
256 struct completion comp;
257};
258
259/**
260 * ib_sa_register_client - Register an SA client.
261 */
262void ib_sa_register_client(struct ib_sa_client *client);
263
264/**
265 * ib_sa_unregister_client - Deregister an SA client.
266 * @client: Client object to deregister.
267 */
268void ib_sa_unregister_client(struct ib_sa_client *client);
269
270struct ib_sa_query;
271
272void ib_sa_cancel_query(int id, struct ib_sa_query *query);
273
274int ib_sa_path_rec_get(struct ib_sa_client *client,
275 struct ib_device *device, u8 port_num,
276 struct ib_sa_path_rec *rec,
277 ib_sa_comp_mask comp_mask,
278 int timeout_ms, gfp_t gfp_mask,
279 void (*callback)(int status,
280 struct ib_sa_path_rec *resp,
281 void *context),
282 void *context,
283 struct ib_sa_query **query);
284
285int ib_sa_service_rec_query(struct ib_sa_client *client,
286 struct ib_device *device, u8 port_num,
287 u8 method,
288 struct ib_sa_service_rec *rec,
289 ib_sa_comp_mask comp_mask,
290 int timeout_ms, gfp_t gfp_mask,
291 void (*callback)(int status,
292 struct ib_sa_service_rec *resp,
293 void *context),
294 void *context,
295 struct ib_sa_query **sa_query);
296
297struct ib_sa_multicast {
298 struct ib_sa_mcmember_rec rec;
299 ib_sa_comp_mask comp_mask;
300 int (*callback)(int status,
301 struct ib_sa_multicast *multicast);
302 void *context;
303};
304
305/**
306 * ib_sa_join_multicast - Initiates a join request to the specified multicast
307 * group.
308 * @client: SA client
309 * @device: Device associated with the multicast group.
310 * @port_num: Port on the specified device to associate with the multicast
311 * group.
312 * @rec: SA multicast member record specifying group attributes.
313 * @comp_mask: Component mask indicating which group attributes of %rec are
314 * valid.
315 * @gfp_mask: GFP mask for memory allocations.
316 * @callback: User callback invoked once the join operation completes.
317 * @context: User specified context stored with the ib_sa_multicast structure.
318 *
319 * This call initiates a multicast join request with the SA for the specified
320 * multicast group. If the join operation is started successfully, it returns
321 * an ib_sa_multicast structure that is used to track the multicast operation.
322 * Users must free this structure by calling ib_free_multicast, even if the
323 * join operation later fails. (The callback status is non-zero.)
324 *
325 * If the join operation fails; status will be non-zero, with the following
326 * failures possible:
327 * -ETIMEDOUT: The request timed out.
328 * -EIO: An error occurred sending the query.
329 * -EINVAL: The MCMemberRecord values differed from the existing group's.
330 * -ENETRESET: Indicates that an fatal error has occurred on the multicast
331 * group, and the user must rejoin the group to continue using it.
332 */
333struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
334 struct ib_device *device, u8 port_num,
335 struct ib_sa_mcmember_rec *rec,
336 ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
337 int (*callback)(int status,
338 struct ib_sa_multicast
339 *multicast),
340 void *context);
341
342/**
343 * ib_free_multicast - Frees the multicast tracking structure, and releases
344 * any reference on the multicast group.
345 * @multicast: Multicast tracking structure allocated by ib_join_multicast.
346 *
347 * This call blocks until the multicast identifier is destroyed. It may
348 * not be called from within the multicast callback; however, returning a non-
349 * zero value from the callback will result in destroying the multicast
350 * tracking structure.
351 */
352void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
353
354/**
355 * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
356 * returns it if found.
357 * @device: Device associated with the multicast group.
358 * @port_num: Port on the specified device to associate with the multicast
359 * group.
360 * @mgid: MGID of multicast group.
361 * @rec: Location to copy SA multicast member record.
362 */
363int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
364 union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
365
366/**
367 * ib_init_ah_from_mcmember - Initialize address handle attributes based on
368 * an SA multicast member record.
369 */
370int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
371 struct ib_sa_mcmember_rec *rec,
372 struct ib_ah_attr *ah_attr);
373
374/**
375 * ib_init_ah_from_path - Initialize address handle attributes based on an SA
376 * path record.
377 */
378int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
379 struct ib_sa_path_rec *rec,
380 struct ib_ah_attr *ah_attr);
381
382/**
383 * ib_sa_unpack_path - Convert a path record from MAD format to struct
384 * ib_sa_path_rec.
385 */
386void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
387
388#endif /* IB_SA_H */
1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/*
3 * Copyright (c) 2004 Topspin Communications. All rights reserved.
4 * Copyright (c) 2005 Voltaire, Inc. All rights reserved.
5 * Copyright (c) 2006 Intel Corporation. All rights reserved.
6 */
7
8#ifndef IB_SA_H
9#define IB_SA_H
10
11#include <linux/completion.h>
12#include <linux/compiler.h>
13
14#include <linux/atomic.h>
15#include <linux/netdevice.h>
16
17#include <rdma/ib_verbs.h>
18#include <rdma/ib_mad.h>
19#include <rdma/ib_addr.h>
20#include <rdma/opa_addr.h>
21
22enum {
23 IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
24
25 IB_SA_METHOD_GET_TABLE = 0x12,
26 IB_SA_METHOD_GET_TABLE_RESP = 0x92,
27 IB_SA_METHOD_DELETE = 0x15,
28 IB_SA_METHOD_DELETE_RESP = 0x95,
29 IB_SA_METHOD_GET_MULTI = 0x14,
30 IB_SA_METHOD_GET_MULTI_RESP = 0x94,
31 IB_SA_METHOD_GET_TRACE_TBL = 0x13
32};
33
34#define OPA_SA_CLASS_VERSION 0x80
35enum {
36 IB_SA_ATTR_CLASS_PORTINFO = 0x01,
37 IB_SA_ATTR_NOTICE = 0x02,
38 IB_SA_ATTR_INFORM_INFO = 0x03,
39 IB_SA_ATTR_NODE_REC = 0x11,
40 IB_SA_ATTR_PORT_INFO_REC = 0x12,
41 IB_SA_ATTR_SL2VL_REC = 0x13,
42 IB_SA_ATTR_SWITCH_REC = 0x14,
43 IB_SA_ATTR_LINEAR_FDB_REC = 0x15,
44 IB_SA_ATTR_RANDOM_FDB_REC = 0x16,
45 IB_SA_ATTR_MCAST_FDB_REC = 0x17,
46 IB_SA_ATTR_SM_INFO_REC = 0x18,
47 IB_SA_ATTR_LINK_REC = 0x20,
48 IB_SA_ATTR_GUID_INFO_REC = 0x30,
49 IB_SA_ATTR_SERVICE_REC = 0x31,
50 IB_SA_ATTR_PARTITION_REC = 0x33,
51 IB_SA_ATTR_PATH_REC = 0x35,
52 IB_SA_ATTR_VL_ARB_REC = 0x36,
53 IB_SA_ATTR_MC_MEMBER_REC = 0x38,
54 IB_SA_ATTR_TRACE_REC = 0x39,
55 IB_SA_ATTR_MULTI_PATH_REC = 0x3a,
56 IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
57 IB_SA_ATTR_INFORM_INFO_REC = 0xf3
58};
59
60enum ib_sa_selector {
61 IB_SA_GT = 0,
62 IB_SA_LT = 1,
63 IB_SA_EQ = 2,
64 /*
65 * The meaning of "best" depends on the attribute: for
66 * example, for MTU best will return the largest available
67 * MTU, while for packet life time, best will return the
68 * smallest available life time.
69 */
70 IB_SA_BEST = 3
71};
72
73/*
74 * There are 4 types of join states:
75 * FullMember, NonMember, SendOnlyNonMember, SendOnlyFullMember.
76 * The order corresponds to JoinState bits in MCMemberRecord.
77 */
78enum ib_sa_mc_join_states {
79 FULLMEMBER_JOIN,
80 NONMEMBER_JOIN,
81 SENDONLY_NONMEBER_JOIN,
82 SENDONLY_FULLMEMBER_JOIN,
83 NUM_JOIN_MEMBERSHIP_TYPES,
84};
85
86#define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12)
87
88/*
89 * Structures for SA records are named "struct ib_sa_xxx_rec." No
90 * attempt is made to pack structures to match the physical layout of
91 * SA records in SA MADs; all packing and unpacking is handled by the
92 * SA query code.
93 *
94 * For a record with structure ib_sa_xxx_rec, the naming convention
95 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
96 * never use different abbreviations or otherwise change the spelling
97 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
98 *
99 * Reserved rows are indicated with comments to help maintainability.
100 */
101
102#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\
103 IB_SA_COMP_MASK( 1))
104#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
105#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
106#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
107#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
108#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
109/* reserved: 7 */
110#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
111#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
112#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
113#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
114#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
115#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
116#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)
117#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
118#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
119#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
120#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
121#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
122#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
123#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
124#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
125
126enum sa_path_rec_type {
127 SA_PATH_REC_TYPE_IB,
128 SA_PATH_REC_TYPE_ROCE_V1,
129 SA_PATH_REC_TYPE_ROCE_V2,
130 SA_PATH_REC_TYPE_OPA
131};
132
133struct sa_path_rec_ib {
134 __be16 dlid;
135 __be16 slid;
136 u8 raw_traffic;
137};
138
139/**
140 * struct sa_path_rec_roce - RoCE specific portion of the path record entry
141 * @route_resolved: When set, it indicates that this route is already
142 * resolved for this path record entry.
143 * @dmac: Destination mac address for the given DGID entry
144 * of the path record entry.
145 */
146struct sa_path_rec_roce {
147 bool route_resolved;
148 u8 dmac[ETH_ALEN];
149};
150
151struct sa_path_rec_opa {
152 __be32 dlid;
153 __be32 slid;
154 u8 raw_traffic;
155 u8 l2_8B;
156 u8 l2_10B;
157 u8 l2_9B;
158 u8 l2_16B;
159 u8 qos_type;
160 u8 qos_priority;
161};
162
163struct sa_path_rec {
164 union ib_gid dgid;
165 union ib_gid sgid;
166 __be64 service_id;
167 /* reserved */
168 __be32 flow_label;
169 u8 hop_limit;
170 u8 traffic_class;
171 u8 reversible;
172 u8 numb_path;
173 __be16 pkey;
174 __be16 qos_class;
175 u8 sl;
176 u8 mtu_selector;
177 u8 mtu;
178 u8 rate_selector;
179 u8 rate;
180 u8 packet_life_time_selector;
181 u8 packet_life_time;
182 u8 preference;
183 union {
184 struct sa_path_rec_ib ib;
185 struct sa_path_rec_roce roce;
186 struct sa_path_rec_opa opa;
187 };
188 enum sa_path_rec_type rec_type;
189};
190
191static inline enum ib_gid_type
192 sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec)
193{
194 switch (rec->rec_type) {
195 case SA_PATH_REC_TYPE_ROCE_V1:
196 return IB_GID_TYPE_ROCE;
197 case SA_PATH_REC_TYPE_ROCE_V2:
198 return IB_GID_TYPE_ROCE_UDP_ENCAP;
199 default:
200 return IB_GID_TYPE_IB;
201 }
202}
203
204static inline enum sa_path_rec_type
205 sa_conv_gid_to_pathrec_type(enum ib_gid_type type)
206{
207 switch (type) {
208 case IB_GID_TYPE_ROCE:
209 return SA_PATH_REC_TYPE_ROCE_V1;
210 case IB_GID_TYPE_ROCE_UDP_ENCAP:
211 return SA_PATH_REC_TYPE_ROCE_V2;
212 default:
213 return SA_PATH_REC_TYPE_IB;
214 }
215}
216
217static inline void path_conv_opa_to_ib(struct sa_path_rec *ib,
218 struct sa_path_rec *opa)
219{
220 if ((be32_to_cpu(opa->opa.dlid) >=
221 be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
222 (be32_to_cpu(opa->opa.slid) >=
223 be16_to_cpu(IB_MULTICAST_LID_BASE))) {
224 /* Create OPA GID and zero out the LID */
225 ib->dgid.global.interface_id
226 = OPA_MAKE_ID(be32_to_cpu(opa->opa.dlid));
227 ib->dgid.global.subnet_prefix
228 = opa->dgid.global.subnet_prefix;
229 ib->sgid.global.interface_id
230 = OPA_MAKE_ID(be32_to_cpu(opa->opa.slid));
231 ib->dgid.global.subnet_prefix
232 = opa->dgid.global.subnet_prefix;
233 ib->ib.dlid = 0;
234
235 ib->ib.slid = 0;
236 } else {
237 ib->ib.dlid = htons(ntohl(opa->opa.dlid));
238 ib->ib.slid = htons(ntohl(opa->opa.slid));
239 }
240 ib->service_id = opa->service_id;
241 ib->ib.raw_traffic = opa->opa.raw_traffic;
242}
243
244static inline void path_conv_ib_to_opa(struct sa_path_rec *opa,
245 struct sa_path_rec *ib)
246{
247 __be32 slid, dlid;
248
249 if ((ib_is_opa_gid(&ib->sgid)) ||
250 (ib_is_opa_gid(&ib->dgid))) {
251 slid = htonl(opa_get_lid_from_gid(&ib->sgid));
252 dlid = htonl(opa_get_lid_from_gid(&ib->dgid));
253 } else {
254 slid = htonl(ntohs(ib->ib.slid));
255 dlid = htonl(ntohs(ib->ib.dlid));
256 }
257 opa->opa.slid = slid;
258 opa->opa.dlid = dlid;
259 opa->service_id = ib->service_id;
260 opa->opa.raw_traffic = ib->ib.raw_traffic;
261}
262
263/* Convert from OPA to IB path record */
264static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest,
265 struct sa_path_rec *src)
266{
267 if (src->rec_type != SA_PATH_REC_TYPE_OPA)
268 return;
269
270 *dest = *src;
271 dest->rec_type = SA_PATH_REC_TYPE_IB;
272 path_conv_opa_to_ib(dest, src);
273}
274
275/* Convert from IB to OPA path record */
276static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest,
277 struct sa_path_rec *src)
278{
279 if (src->rec_type != SA_PATH_REC_TYPE_IB)
280 return;
281
282 /* Do a structure copy and overwrite the relevant fields */
283 *dest = *src;
284 dest->rec_type = SA_PATH_REC_TYPE_OPA;
285 path_conv_ib_to_opa(dest, src);
286}
287
288#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
289#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
290#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
291#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
292#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
293#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
294#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
295#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
296#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
297#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
298#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
299#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
300#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
301#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
302#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
303#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
304#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
305#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
306
307struct ib_sa_mcmember_rec {
308 union ib_gid mgid;
309 union ib_gid port_gid;
310 __be32 qkey;
311 __be16 mlid;
312 u8 mtu_selector;
313 u8 mtu;
314 u8 traffic_class;
315 __be16 pkey;
316 u8 rate_selector;
317 u8 rate;
318 u8 packet_life_time_selector;
319 u8 packet_life_time;
320 u8 sl;
321 __be32 flow_label;
322 u8 hop_limit;
323 u8 scope;
324 u8 join_state;
325 u8 proxy_join;
326};
327
328/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
329#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
330#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
331#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
332/* reserved: 3 */
333#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
334#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
335#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
336#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
337#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
338#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
339#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
340#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
341#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
342#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
343#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
344#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
345#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
346#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
347#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
348#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
349#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
350#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
351#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
352#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
353#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
354#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
355#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
356#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
357#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
358#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
359#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
360#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
361#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
362#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
363#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
364#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
365#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
366
367#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
368
369struct ib_sa_service_rec {
370 u64 id;
371 union ib_gid gid;
372 __be16 pkey;
373 /* reserved */
374 u32 lease;
375 u8 key[16];
376 u8 name[64];
377 u8 data8[16];
378 u16 data16[8];
379 u32 data32[4];
380 u64 data64[2];
381};
382
383#define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0)
384#define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1)
385#define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2)
386#define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3)
387#define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4)
388#define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5)
389#define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6)
390#define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7)
391#define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8)
392#define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9)
393#define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10)
394#define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11)
395
396struct ib_sa_guidinfo_rec {
397 __be16 lid;
398 u8 block_num;
399 /* reserved */
400 u8 res1;
401 __be32 res2;
402 u8 guid_info_list[64];
403};
404
405struct ib_sa_client {
406 atomic_t users;
407 struct completion comp;
408};
409
410/**
411 * ib_sa_register_client - Register an SA client.
412 */
413void ib_sa_register_client(struct ib_sa_client *client);
414
415/**
416 * ib_sa_unregister_client - Deregister an SA client.
417 * @client: Client object to deregister.
418 */
419void ib_sa_unregister_client(struct ib_sa_client *client);
420
421struct ib_sa_query;
422
423void ib_sa_cancel_query(int id, struct ib_sa_query *query);
424
425int ib_sa_path_rec_get(struct ib_sa_client *client, struct ib_device *device,
426 u32 port_num, struct sa_path_rec *rec,
427 ib_sa_comp_mask comp_mask, unsigned long timeout_ms,
428 gfp_t gfp_mask,
429 void (*callback)(int status, struct sa_path_rec *resp,
430 void *context),
431 void *context, struct ib_sa_query **query);
432
433int ib_sa_service_rec_query(struct ib_sa_client *client,
434 struct ib_device *device, u32 port_num, u8 method,
435 struct ib_sa_service_rec *rec,
436 ib_sa_comp_mask comp_mask, unsigned long timeout_ms,
437 gfp_t gfp_mask,
438 void (*callback)(int status,
439 struct ib_sa_service_rec *resp,
440 void *context),
441 void *context, struct ib_sa_query **sa_query);
442
443struct ib_sa_multicast {
444 struct ib_sa_mcmember_rec rec;
445 ib_sa_comp_mask comp_mask;
446 int (*callback)(int status,
447 struct ib_sa_multicast *multicast);
448 void *context;
449};
450
451/**
452 * ib_sa_join_multicast - Initiates a join request to the specified multicast
453 * group.
454 * @client: SA client
455 * @device: Device associated with the multicast group.
456 * @port_num: Port on the specified device to associate with the multicast
457 * group.
458 * @rec: SA multicast member record specifying group attributes.
459 * @comp_mask: Component mask indicating which group attributes of %rec are
460 * valid.
461 * @gfp_mask: GFP mask for memory allocations.
462 * @callback: User callback invoked once the join operation completes.
463 * @context: User specified context stored with the ib_sa_multicast structure.
464 *
465 * This call initiates a multicast join request with the SA for the specified
466 * multicast group. If the join operation is started successfully, it returns
467 * an ib_sa_multicast structure that is used to track the multicast operation.
468 * Users must free this structure by calling ib_free_multicast, even if the
469 * join operation later fails. (The callback status is non-zero.)
470 *
471 * If the join operation fails; status will be non-zero, with the following
472 * failures possible:
473 * -ETIMEDOUT: The request timed out.
474 * -EIO: An error occurred sending the query.
475 * -EINVAL: The MCMemberRecord values differed from the existing group's.
476 * -ENETRESET: Indicates that an fatal error has occurred on the multicast
477 * group, and the user must rejoin the group to continue using it.
478 */
479struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
480 struct ib_device *device,
481 u32 port_num,
482 struct ib_sa_mcmember_rec *rec,
483 ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
484 int (*callback)(int status,
485 struct ib_sa_multicast
486 *multicast),
487 void *context);
488
489/**
490 * ib_free_multicast - Frees the multicast tracking structure, and releases
491 * any reference on the multicast group.
492 * @multicast: Multicast tracking structure allocated by ib_join_multicast.
493 *
494 * This call blocks until the multicast identifier is destroyed. It may
495 * not be called from within the multicast callback; however, returning a non-
496 * zero value from the callback will result in destroying the multicast
497 * tracking structure.
498 */
499void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
500
501/**
502 * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
503 * returns it if found.
504 * @device: Device associated with the multicast group.
505 * @port_num: Port on the specified device to associate with the multicast
506 * group.
507 * @mgid: MGID of multicast group.
508 * @rec: Location to copy SA multicast member record.
509 */
510int ib_sa_get_mcmember_rec(struct ib_device *device, u32 port_num,
511 union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
512
513/**
514 * ib_init_ah_from_mcmember - Initialize address handle attributes based on
515 * an SA multicast member record.
516 */
517int ib_init_ah_from_mcmember(struct ib_device *device, u32 port_num,
518 struct ib_sa_mcmember_rec *rec,
519 struct net_device *ndev,
520 enum ib_gid_type gid_type,
521 struct rdma_ah_attr *ah_attr);
522
523int ib_init_ah_attr_from_path(struct ib_device *device, u32 port_num,
524 struct sa_path_rec *rec,
525 struct rdma_ah_attr *ah_attr,
526 const struct ib_gid_attr *sgid_attr);
527
528/**
529 * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
530 * to IB MAD wire format.
531 */
532void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute);
533
534/**
535 * ib_sa_unpack_path - Convert a path record from MAD format to struct
536 * ib_sa_path_rec.
537 */
538void ib_sa_unpack_path(void *attribute, struct sa_path_rec *rec);
539
540/* Support GuidInfoRecord */
541int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
542 struct ib_device *device, u32 port_num,
543 struct ib_sa_guidinfo_rec *rec,
544 ib_sa_comp_mask comp_mask, u8 method,
545 unsigned long timeout_ms, gfp_t gfp_mask,
546 void (*callback)(int status,
547 struct ib_sa_guidinfo_rec *resp,
548 void *context),
549 void *context, struct ib_sa_query **sa_query);
550
551static inline bool sa_path_is_roce(struct sa_path_rec *rec)
552{
553 return ((rec->rec_type == SA_PATH_REC_TYPE_ROCE_V1) ||
554 (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2));
555}
556
557static inline bool sa_path_is_opa(struct sa_path_rec *rec)
558{
559 return (rec->rec_type == SA_PATH_REC_TYPE_OPA);
560}
561
562static inline void sa_path_set_slid(struct sa_path_rec *rec, u32 slid)
563{
564 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
565 rec->ib.slid = cpu_to_be16(slid);
566 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
567 rec->opa.slid = cpu_to_be32(slid);
568}
569
570static inline void sa_path_set_dlid(struct sa_path_rec *rec, u32 dlid)
571{
572 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
573 rec->ib.dlid = cpu_to_be16(dlid);
574 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
575 rec->opa.dlid = cpu_to_be32(dlid);
576}
577
578static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
579 u8 raw_traffic)
580{
581 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
582 rec->ib.raw_traffic = raw_traffic;
583 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
584 rec->opa.raw_traffic = raw_traffic;
585}
586
587static inline __be32 sa_path_get_slid(struct sa_path_rec *rec)
588{
589 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
590 return htonl(ntohs(rec->ib.slid));
591 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
592 return rec->opa.slid;
593 return 0;
594}
595
596static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec)
597{
598 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
599 return htonl(ntohs(rec->ib.dlid));
600 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
601 return rec->opa.dlid;
602 return 0;
603}
604
605static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec)
606{
607 if (rec->rec_type == SA_PATH_REC_TYPE_IB)
608 return rec->ib.raw_traffic;
609 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
610 return rec->opa.raw_traffic;
611 return 0;
612}
613
614static inline void sa_path_set_dmac(struct sa_path_rec *rec, u8 *dmac)
615{
616 if (sa_path_is_roce(rec))
617 memcpy(rec->roce.dmac, dmac, ETH_ALEN);
618}
619
620static inline void sa_path_set_dmac_zero(struct sa_path_rec *rec)
621{
622 if (sa_path_is_roce(rec))
623 eth_zero_addr(rec->roce.dmac);
624}
625
626static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec)
627{
628 if (sa_path_is_roce(rec))
629 return rec->roce.dmac;
630 return NULL;
631}
632#endif /* IB_SA_H */