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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004 Topspin Communications. All rights reserved. | |
cbae32c5 | 3 | * Copyright (c) 2005 Voltaire, Inc. All rights reserved. |
c1a0b23b | 4 | * Copyright (c) 2006 Intel Corporation. All rights reserved. |
1da177e4 LT |
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. | |
1da177e4 LT |
33 | */ |
34 | ||
35 | #ifndef IB_SA_H | |
36 | #define IB_SA_H | |
37 | ||
c1a0b23b | 38 | #include <linux/completion.h> |
1da177e4 LT |
39 | #include <linux/compiler.h> |
40 | ||
60063497 | 41 | #include <linux/atomic.h> |
ba36e37f | 42 | #include <linux/netdevice.h> |
c1a0b23b | 43 | |
a4d61e84 RD |
44 | #include <rdma/ib_verbs.h> |
45 | #include <rdma/ib_mad.h> | |
1da177e4 LT |
46 | |
47 | enum { | |
cbae32c5 | 48 | IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */ |
1da177e4 | 49 | |
cbae32c5 HR |
50 | IB_SA_METHOD_GET_TABLE = 0x12, |
51 | IB_SA_METHOD_GET_TABLE_RESP = 0x92, | |
1325cc79 HR |
52 | IB_SA_METHOD_DELETE = 0x15, |
53 | IB_SA_METHOD_DELETE_RESP = 0x95, | |
54 | IB_SA_METHOD_GET_MULTI = 0x14, | |
55 | IB_SA_METHOD_GET_MULTI_RESP = 0x94, | |
56 | IB_SA_METHOD_GET_TRACE_TBL = 0x13 | |
1da177e4 LT |
57 | }; |
58 | ||
fbed8eee HR |
59 | enum { |
60 | IB_SA_ATTR_CLASS_PORTINFO = 0x01, | |
61 | IB_SA_ATTR_NOTICE = 0x02, | |
62 | IB_SA_ATTR_INFORM_INFO = 0x03, | |
63 | IB_SA_ATTR_NODE_REC = 0x11, | |
64 | IB_SA_ATTR_PORT_INFO_REC = 0x12, | |
65 | IB_SA_ATTR_SL2VL_REC = 0x13, | |
66 | IB_SA_ATTR_SWITCH_REC = 0x14, | |
67 | IB_SA_ATTR_LINEAR_FDB_REC = 0x15, | |
68 | IB_SA_ATTR_RANDOM_FDB_REC = 0x16, | |
69 | IB_SA_ATTR_MCAST_FDB_REC = 0x17, | |
70 | IB_SA_ATTR_SM_INFO_REC = 0x18, | |
71 | IB_SA_ATTR_LINK_REC = 0x20, | |
72 | IB_SA_ATTR_GUID_INFO_REC = 0x30, | |
73 | IB_SA_ATTR_SERVICE_REC = 0x31, | |
74 | IB_SA_ATTR_PARTITION_REC = 0x33, | |
75 | IB_SA_ATTR_PATH_REC = 0x35, | |
76 | IB_SA_ATTR_VL_ARB_REC = 0x36, | |
77 | IB_SA_ATTR_MC_MEMBER_REC = 0x38, | |
78 | IB_SA_ATTR_TRACE_REC = 0x39, | |
79 | IB_SA_ATTR_MULTI_PATH_REC = 0x3a, | |
80 | IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b, | |
81 | IB_SA_ATTR_INFORM_INFO_REC = 0xf3 | |
82 | }; | |
83 | ||
1da177e4 | 84 | enum ib_sa_selector { |
aec79fcc MT |
85 | IB_SA_GT = 0, |
86 | IB_SA_LT = 1, | |
1da177e4 LT |
87 | IB_SA_EQ = 2, |
88 | /* | |
89 | * The meaning of "best" depends on the attribute: for | |
90 | * example, for MTU best will return the largest available | |
91 | * MTU, while for packet life time, best will return the | |
92 | * smallest available life time. | |
93 | */ | |
94 | IB_SA_BEST = 3 | |
95 | }; | |
96 | ||
1da177e4 LT |
97 | /* |
98 | * Structures for SA records are named "struct ib_sa_xxx_rec." No | |
99 | * attempt is made to pack structures to match the physical layout of | |
100 | * SA records in SA MADs; all packing and unpacking is handled by the | |
101 | * SA query code. | |
102 | * | |
103 | * For a record with structure ib_sa_xxx_rec, the naming convention | |
104 | * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we | |
105 | * never use different abbreviations or otherwise change the spelling | |
106 | * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY). | |
107 | * | |
108 | * Reserved rows are indicated with comments to help maintainability. | |
109 | */ | |
110 | ||
733d65fe SH |
111 | #define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\ |
112 | IB_SA_COMP_MASK( 1)) | |
1da177e4 LT |
113 | #define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2) |
114 | #define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3) | |
115 | #define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4) | |
116 | #define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5) | |
117 | #define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6) | |
118 | /* reserved: 7 */ | |
119 | #define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8) | |
120 | #define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9) | |
121 | #define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10) | |
122 | #define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11) | |
123 | #define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12) | |
124 | #define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13) | |
733d65fe | 125 | #define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14) |
1da177e4 LT |
126 | #define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15) |
127 | #define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16) | |
128 | #define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17) | |
129 | #define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18) | |
130 | #define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19) | |
131 | #define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20) | |
132 | #define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21) | |
133 | #define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22) | |
134 | ||
135 | struct ib_sa_path_rec { | |
733d65fe | 136 | __be64 service_id; |
1da177e4 LT |
137 | union ib_gid dgid; |
138 | union ib_gid sgid; | |
97f52eb4 SH |
139 | __be16 dlid; |
140 | __be16 slid; | |
1da177e4 LT |
141 | int raw_traffic; |
142 | /* reserved */ | |
97f52eb4 | 143 | __be32 flow_label; |
1da177e4 LT |
144 | u8 hop_limit; |
145 | u8 traffic_class; | |
146 | int reversible; | |
147 | u8 numb_path; | |
97f52eb4 | 148 | __be16 pkey; |
733d65fe | 149 | __be16 qos_class; |
1da177e4 LT |
150 | u8 sl; |
151 | u8 mtu_selector; | |
3bf4fb82 | 152 | u8 mtu; |
1da177e4 LT |
153 | u8 rate_selector; |
154 | u8 rate; | |
155 | u8 packet_life_time_selector; | |
156 | u8 packet_life_time; | |
157 | u8 preference; | |
dd5f03be | 158 | u8 dmac[ETH_ALEN]; |
ba36e37f MB |
159 | /* ignored in IB */ |
160 | int ifindex; | |
161 | /* ignored in IB */ | |
162 | struct net *net; | |
b39ffa1d | 163 | enum ib_gid_type gid_type; |
1da177e4 LT |
164 | }; |
165 | ||
ba36e37f MB |
166 | static inline struct net_device *ib_get_ndev_from_path(struct ib_sa_path_rec *rec) |
167 | { | |
168 | return rec->net ? dev_get_by_index(rec->net, rec->ifindex) : NULL; | |
169 | } | |
170 | ||
1da177e4 LT |
171 | #define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0) |
172 | #define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1) | |
173 | #define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2) | |
174 | #define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3) | |
175 | #define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4) | |
176 | #define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5) | |
177 | #define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6) | |
178 | #define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7) | |
179 | #define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8) | |
180 | #define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9) | |
181 | #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10) | |
182 | #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11) | |
183 | #define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12) | |
184 | #define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13) | |
185 | #define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14) | |
186 | #define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15) | |
187 | #define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16) | |
188 | #define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17) | |
189 | ||
190 | struct ib_sa_mcmember_rec { | |
191 | union ib_gid mgid; | |
192 | union ib_gid port_gid; | |
97f52eb4 SH |
193 | __be32 qkey; |
194 | __be16 mlid; | |
1da177e4 | 195 | u8 mtu_selector; |
3bf4fb82 | 196 | u8 mtu; |
1da177e4 | 197 | u8 traffic_class; |
97f52eb4 | 198 | __be16 pkey; |
1da177e4 LT |
199 | u8 rate_selector; |
200 | u8 rate; | |
201 | u8 packet_life_time_selector; | |
202 | u8 packet_life_time; | |
203 | u8 sl; | |
97f52eb4 | 204 | __be32 flow_label; |
1da177e4 LT |
205 | u8 hop_limit; |
206 | u8 scope; | |
207 | u8 join_state; | |
208 | int proxy_join; | |
209 | }; | |
210 | ||
cbae32c5 HR |
211 | /* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */ |
212 | #define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0) | |
213 | #define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1) | |
214 | #define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2) | |
215 | /* reserved: 3 */ | |
216 | #define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4) | |
217 | #define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5) | |
218 | #define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6) | |
219 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7) | |
220 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8) | |
221 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9) | |
222 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10) | |
223 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11) | |
224 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12) | |
225 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13) | |
226 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14) | |
227 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15) | |
228 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16) | |
229 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17) | |
230 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18) | |
231 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19) | |
232 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20) | |
233 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21) | |
234 | #define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22) | |
235 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23) | |
236 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24) | |
237 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25) | |
238 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26) | |
239 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27) | |
240 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28) | |
241 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29) | |
242 | #define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30) | |
243 | #define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31) | |
244 | #define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32) | |
245 | #define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33) | |
246 | #define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34) | |
247 | #define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35) | |
248 | #define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36) | |
249 | ||
250 | #define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF | |
251 | ||
252 | struct ib_sa_service_rec { | |
253 | u64 id; | |
254 | union ib_gid gid; | |
97f52eb4 | 255 | __be16 pkey; |
cbae32c5 HR |
256 | /* reserved */ |
257 | u32 lease; | |
258 | u8 key[16]; | |
259 | u8 name[64]; | |
260 | u8 data8[16]; | |
261 | u16 data16[8]; | |
262 | u32 data32[4]; | |
263 | u64 data64[2]; | |
264 | }; | |
265 | ||
aeab97ed ES |
266 | #define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0) |
267 | #define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1) | |
268 | #define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2) | |
269 | #define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3) | |
270 | #define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4) | |
271 | #define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5) | |
272 | #define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6) | |
273 | #define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7) | |
274 | #define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8) | |
275 | #define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9) | |
276 | #define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10) | |
277 | #define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11) | |
278 | ||
279 | struct ib_sa_guidinfo_rec { | |
280 | __be16 lid; | |
281 | u8 block_num; | |
282 | /* reserved */ | |
283 | u8 res1; | |
284 | __be32 res2; | |
285 | u8 guid_info_list[64]; | |
286 | }; | |
287 | ||
c1a0b23b MT |
288 | struct ib_sa_client { |
289 | atomic_t users; | |
290 | struct completion comp; | |
291 | }; | |
292 | ||
293 | /** | |
294 | * ib_sa_register_client - Register an SA client. | |
295 | */ | |
296 | void ib_sa_register_client(struct ib_sa_client *client); | |
297 | ||
298 | /** | |
299 | * ib_sa_unregister_client - Deregister an SA client. | |
300 | * @client: Client object to deregister. | |
301 | */ | |
302 | void ib_sa_unregister_client(struct ib_sa_client *client); | |
303 | ||
1da177e4 LT |
304 | struct ib_sa_query; |
305 | ||
306 | void ib_sa_cancel_query(int id, struct ib_sa_query *query); | |
307 | ||
c1a0b23b MT |
308 | int ib_sa_path_rec_get(struct ib_sa_client *client, |
309 | struct ib_device *device, u8 port_num, | |
1da177e4 LT |
310 | struct ib_sa_path_rec *rec, |
311 | ib_sa_comp_mask comp_mask, | |
dd0fc66f | 312 | int timeout_ms, gfp_t gfp_mask, |
1da177e4 LT |
313 | void (*callback)(int status, |
314 | struct ib_sa_path_rec *resp, | |
315 | void *context), | |
316 | void *context, | |
317 | struct ib_sa_query **query); | |
318 | ||
c1a0b23b MT |
319 | int ib_sa_service_rec_query(struct ib_sa_client *client, |
320 | struct ib_device *device, u8 port_num, | |
cbae32c5 HR |
321 | u8 method, |
322 | struct ib_sa_service_rec *rec, | |
323 | ib_sa_comp_mask comp_mask, | |
dd0fc66f | 324 | int timeout_ms, gfp_t gfp_mask, |
cbae32c5 HR |
325 | void (*callback)(int status, |
326 | struct ib_sa_service_rec *resp, | |
327 | void *context), | |
328 | void *context, | |
329 | struct ib_sa_query **sa_query); | |
330 | ||
faec2f7b SH |
331 | struct ib_sa_multicast { |
332 | struct ib_sa_mcmember_rec rec; | |
333 | ib_sa_comp_mask comp_mask; | |
334 | int (*callback)(int status, | |
335 | struct ib_sa_multicast *multicast); | |
336 | void *context; | |
337 | }; | |
338 | ||
1da177e4 | 339 | /** |
faec2f7b SH |
340 | * ib_sa_join_multicast - Initiates a join request to the specified multicast |
341 | * group. | |
342 | * @client: SA client | |
343 | * @device: Device associated with the multicast group. | |
344 | * @port_num: Port on the specified device to associate with the multicast | |
345 | * group. | |
346 | * @rec: SA multicast member record specifying group attributes. | |
347 | * @comp_mask: Component mask indicating which group attributes of %rec are | |
348 | * valid. | |
349 | * @gfp_mask: GFP mask for memory allocations. | |
350 | * @callback: User callback invoked once the join operation completes. | |
351 | * @context: User specified context stored with the ib_sa_multicast structure. | |
1da177e4 | 352 | * |
faec2f7b SH |
353 | * This call initiates a multicast join request with the SA for the specified |
354 | * multicast group. If the join operation is started successfully, it returns | |
355 | * an ib_sa_multicast structure that is used to track the multicast operation. | |
356 | * Users must free this structure by calling ib_free_multicast, even if the | |
357 | * join operation later fails. (The callback status is non-zero.) | |
1da177e4 | 358 | * |
faec2f7b SH |
359 | * If the join operation fails; status will be non-zero, with the following |
360 | * failures possible: | |
361 | * -ETIMEDOUT: The request timed out. | |
362 | * -EIO: An error occurred sending the query. | |
363 | * -EINVAL: The MCMemberRecord values differed from the existing group's. | |
364 | * -ENETRESET: Indicates that an fatal error has occurred on the multicast | |
365 | * group, and the user must rejoin the group to continue using it. | |
1da177e4 | 366 | */ |
faec2f7b SH |
367 | struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client, |
368 | struct ib_device *device, u8 port_num, | |
369 | struct ib_sa_mcmember_rec *rec, | |
370 | ib_sa_comp_mask comp_mask, gfp_t gfp_mask, | |
371 | int (*callback)(int status, | |
372 | struct ib_sa_multicast | |
373 | *multicast), | |
374 | void *context); | |
1da177e4 LT |
375 | |
376 | /** | |
faec2f7b SH |
377 | * ib_free_multicast - Frees the multicast tracking structure, and releases |
378 | * any reference on the multicast group. | |
379 | * @multicast: Multicast tracking structure allocated by ib_join_multicast. | |
1da177e4 | 380 | * |
faec2f7b SH |
381 | * This call blocks until the multicast identifier is destroyed. It may |
382 | * not be called from within the multicast callback; however, returning a non- | |
383 | * zero value from the callback will result in destroying the multicast | |
384 | * tracking structure. | |
385 | */ | |
386 | void ib_sa_free_multicast(struct ib_sa_multicast *multicast); | |
387 | ||
388 | /** | |
389 | * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and | |
390 | * returns it if found. | |
391 | * @device: Device associated with the multicast group. | |
392 | * @port_num: Port on the specified device to associate with the multicast | |
393 | * group. | |
394 | * @mgid: MGID of multicast group. | |
395 | * @rec: Location to copy SA multicast member record. | |
1da177e4 | 396 | */ |
faec2f7b SH |
397 | int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num, |
398 | union ib_gid *mgid, struct ib_sa_mcmember_rec *rec); | |
399 | ||
400 | /** | |
401 | * ib_init_ah_from_mcmember - Initialize address handle attributes based on | |
402 | * an SA multicast member record. | |
403 | */ | |
404 | int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num, | |
405 | struct ib_sa_mcmember_rec *rec, | |
bee3c3c9 MS |
406 | struct net_device *ndev, |
407 | enum ib_gid_type gid_type, | |
faec2f7b | 408 | struct ib_ah_attr *ah_attr); |
1da177e4 | 409 | |
6d969a47 SH |
410 | /** |
411 | * ib_init_ah_from_path - Initialize address handle attributes based on an SA | |
412 | * path record. | |
413 | */ | |
414 | int ib_init_ah_from_path(struct ib_device *device, u8 port_num, | |
415 | struct ib_sa_path_rec *rec, | |
416 | struct ib_ah_attr *ah_attr); | |
1da177e4 | 417 | |
2e08b587 SH |
418 | /** |
419 | * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec | |
420 | * to IB MAD wire format. | |
421 | */ | |
422 | void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute); | |
423 | ||
a7ca1f00 SH |
424 | /** |
425 | * ib_sa_unpack_path - Convert a path record from MAD format to struct | |
426 | * ib_sa_path_rec. | |
427 | */ | |
428 | void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec); | |
429 | ||
aeab97ed ES |
430 | /* Support GuidInfoRecord */ |
431 | int ib_sa_guid_info_rec_query(struct ib_sa_client *client, | |
432 | struct ib_device *device, u8 port_num, | |
433 | struct ib_sa_guidinfo_rec *rec, | |
434 | ib_sa_comp_mask comp_mask, u8 method, | |
435 | int timeout_ms, gfp_t gfp_mask, | |
436 | void (*callback)(int status, | |
437 | struct ib_sa_guidinfo_rec *resp, | |
438 | void *context), | |
439 | void *context, | |
440 | struct ib_sa_query **sa_query); | |
2e08b587 | 441 | |
1da177e4 | 442 | #endif /* IB_SA_H */ |