1 |
62 |
marcus.erl |
/*
|
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 |
|
|
* $Id: ib_sa.h 2811 2005-07-06 18:11:43Z halr $
|
35 |
|
|
*/
|
36 |
|
|
|
37 |
|
|
#ifndef IB_SA_H
|
38 |
|
|
#define IB_SA_H
|
39 |
|
|
|
40 |
|
|
#include <linux/completion.h>
|
41 |
|
|
#include <linux/compiler.h>
|
42 |
|
|
|
43 |
|
|
#include <asm/atomic.h>
|
44 |
|
|
|
45 |
|
|
#include <rdma/ib_verbs.h>
|
46 |
|
|
#include <rdma/ib_mad.h>
|
47 |
|
|
|
48 |
|
|
enum {
|
49 |
|
|
IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
|
50 |
|
|
|
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
|
58 |
|
|
};
|
59 |
|
|
|
60 |
|
|
enum {
|
61 |
|
|
IB_SA_ATTR_CLASS_PORTINFO = 0x01,
|
62 |
|
|
IB_SA_ATTR_NOTICE = 0x02,
|
63 |
|
|
IB_SA_ATTR_INFORM_INFO = 0x03,
|
64 |
|
|
IB_SA_ATTR_NODE_REC = 0x11,
|
65 |
|
|
IB_SA_ATTR_PORT_INFO_REC = 0x12,
|
66 |
|
|
IB_SA_ATTR_SL2VL_REC = 0x13,
|
67 |
|
|
IB_SA_ATTR_SWITCH_REC = 0x14,
|
68 |
|
|
IB_SA_ATTR_LINEAR_FDB_REC = 0x15,
|
69 |
|
|
IB_SA_ATTR_RANDOM_FDB_REC = 0x16,
|
70 |
|
|
IB_SA_ATTR_MCAST_FDB_REC = 0x17,
|
71 |
|
|
IB_SA_ATTR_SM_INFO_REC = 0x18,
|
72 |
|
|
IB_SA_ATTR_LINK_REC = 0x20,
|
73 |
|
|
IB_SA_ATTR_GUID_INFO_REC = 0x30,
|
74 |
|
|
IB_SA_ATTR_SERVICE_REC = 0x31,
|
75 |
|
|
IB_SA_ATTR_PARTITION_REC = 0x33,
|
76 |
|
|
IB_SA_ATTR_PATH_REC = 0x35,
|
77 |
|
|
IB_SA_ATTR_VL_ARB_REC = 0x36,
|
78 |
|
|
IB_SA_ATTR_MC_MEMBER_REC = 0x38,
|
79 |
|
|
IB_SA_ATTR_TRACE_REC = 0x39,
|
80 |
|
|
IB_SA_ATTR_MULTI_PATH_REC = 0x3a,
|
81 |
|
|
IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
|
82 |
|
|
IB_SA_ATTR_INFORM_INFO_REC = 0xf3
|
83 |
|
|
};
|
84 |
|
|
|
85 |
|
|
enum ib_sa_selector {
|
86 |
|
|
IB_SA_GT = 0,
|
87 |
|
|
IB_SA_LT = 1,
|
88 |
|
|
IB_SA_EQ = 2,
|
89 |
|
|
/*
|
90 |
|
|
* The meaning of "best" depends on the attribute: for
|
91 |
|
|
* example, for MTU best will return the largest available
|
92 |
|
|
* MTU, while for packet life time, best will return the
|
93 |
|
|
* smallest available life time.
|
94 |
|
|
*/
|
95 |
|
|
IB_SA_BEST = 3
|
96 |
|
|
};
|
97 |
|
|
|
98 |
|
|
/*
|
99 |
|
|
* Structures for SA records are named "struct ib_sa_xxx_rec." No
|
100 |
|
|
* attempt is made to pack structures to match the physical layout of
|
101 |
|
|
* SA records in SA MADs; all packing and unpacking is handled by the
|
102 |
|
|
* SA query code.
|
103 |
|
|
*
|
104 |
|
|
* For a record with structure ib_sa_xxx_rec, the naming convention
|
105 |
|
|
* for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
|
106 |
|
|
* never use different abbreviations or otherwise change the spelling
|
107 |
|
|
* of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
|
108 |
|
|
*
|
109 |
|
|
* Reserved rows are indicated with comments to help maintainability.
|
110 |
|
|
*/
|
111 |
|
|
|
112 |
|
|
#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\
|
113 |
|
|
IB_SA_COMP_MASK( 1))
|
114 |
|
|
#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
|
115 |
|
|
#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
|
116 |
|
|
#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
|
117 |
|
|
#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
|
118 |
|
|
#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
|
119 |
|
|
/* reserved: 7 */
|
120 |
|
|
#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
|
121 |
|
|
#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
|
122 |
|
|
#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
|
123 |
|
|
#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
|
124 |
|
|
#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
|
125 |
|
|
#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
|
126 |
|
|
#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)
|
127 |
|
|
#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
|
128 |
|
|
#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
|
129 |
|
|
#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
|
130 |
|
|
#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
|
131 |
|
|
#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
|
132 |
|
|
#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
|
133 |
|
|
#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
|
134 |
|
|
#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
|
135 |
|
|
|
136 |
|
|
struct ib_sa_path_rec {
|
137 |
|
|
__be64 service_id;
|
138 |
|
|
union ib_gid dgid;
|
139 |
|
|
union ib_gid sgid;
|
140 |
|
|
__be16 dlid;
|
141 |
|
|
__be16 slid;
|
142 |
|
|
int raw_traffic;
|
143 |
|
|
/* reserved */
|
144 |
|
|
__be32 flow_label;
|
145 |
|
|
u8 hop_limit;
|
146 |
|
|
u8 traffic_class;
|
147 |
|
|
int reversible;
|
148 |
|
|
u8 numb_path;
|
149 |
|
|
__be16 pkey;
|
150 |
|
|
__be16 qos_class;
|
151 |
|
|
u8 sl;
|
152 |
|
|
u8 mtu_selector;
|
153 |
|
|
u8 mtu;
|
154 |
|
|
u8 rate_selector;
|
155 |
|
|
u8 rate;
|
156 |
|
|
u8 packet_life_time_selector;
|
157 |
|
|
u8 packet_life_time;
|
158 |
|
|
u8 preference;
|
159 |
|
|
};
|
160 |
|
|
|
161 |
|
|
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
|
162 |
|
|
#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
|
163 |
|
|
#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
|
164 |
|
|
#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
|
165 |
|
|
#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
|
166 |
|
|
#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
|
167 |
|
|
#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
|
168 |
|
|
#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
|
169 |
|
|
#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
|
170 |
|
|
#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
|
171 |
|
|
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
|
172 |
|
|
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
|
173 |
|
|
#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
|
174 |
|
|
#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
|
175 |
|
|
#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
|
176 |
|
|
#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
|
177 |
|
|
#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
|
178 |
|
|
#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
|
179 |
|
|
|
180 |
|
|
struct ib_sa_mcmember_rec {
|
181 |
|
|
union ib_gid mgid;
|
182 |
|
|
union ib_gid port_gid;
|
183 |
|
|
__be32 qkey;
|
184 |
|
|
__be16 mlid;
|
185 |
|
|
u8 mtu_selector;
|
186 |
|
|
u8 mtu;
|
187 |
|
|
u8 traffic_class;
|
188 |
|
|
__be16 pkey;
|
189 |
|
|
u8 rate_selector;
|
190 |
|
|
u8 rate;
|
191 |
|
|
u8 packet_life_time_selector;
|
192 |
|
|
u8 packet_life_time;
|
193 |
|
|
u8 sl;
|
194 |
|
|
__be32 flow_label;
|
195 |
|
|
u8 hop_limit;
|
196 |
|
|
u8 scope;
|
197 |
|
|
u8 join_state;
|
198 |
|
|
int proxy_join;
|
199 |
|
|
};
|
200 |
|
|
|
201 |
|
|
/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
|
202 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
|
203 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
|
204 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
|
205 |
|
|
/* reserved: 3 */
|
206 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
|
207 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
|
208 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
|
209 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
|
210 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
|
211 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
|
212 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
|
213 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
|
214 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
|
215 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
|
216 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
|
217 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
|
218 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
|
219 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
|
220 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
|
221 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
|
222 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
|
223 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
|
224 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
|
225 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
|
226 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
|
227 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
|
228 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
|
229 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
|
230 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
|
231 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
|
232 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
|
233 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
|
234 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
|
235 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
|
236 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
|
237 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
|
238 |
|
|
#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
|
239 |
|
|
|
240 |
|
|
#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
|
241 |
|
|
|
242 |
|
|
struct ib_sa_service_rec {
|
243 |
|
|
u64 id;
|
244 |
|
|
union ib_gid gid;
|
245 |
|
|
__be16 pkey;
|
246 |
|
|
/* reserved */
|
247 |
|
|
u32 lease;
|
248 |
|
|
u8 key[16];
|
249 |
|
|
u8 name[64];
|
250 |
|
|
u8 data8[16];
|
251 |
|
|
u16 data16[8];
|
252 |
|
|
u32 data32[4];
|
253 |
|
|
u64 data64[2];
|
254 |
|
|
};
|
255 |
|
|
|
256 |
|
|
struct ib_sa_client {
|
257 |
|
|
atomic_t users;
|
258 |
|
|
struct completion comp;
|
259 |
|
|
};
|
260 |
|
|
|
261 |
|
|
/**
|
262 |
|
|
* ib_sa_register_client - Register an SA client.
|
263 |
|
|
*/
|
264 |
|
|
void ib_sa_register_client(struct ib_sa_client *client);
|
265 |
|
|
|
266 |
|
|
/**
|
267 |
|
|
* ib_sa_unregister_client - Deregister an SA client.
|
268 |
|
|
* @client: Client object to deregister.
|
269 |
|
|
*/
|
270 |
|
|
void ib_sa_unregister_client(struct ib_sa_client *client);
|
271 |
|
|
|
272 |
|
|
struct ib_sa_query;
|
273 |
|
|
|
274 |
|
|
void ib_sa_cancel_query(int id, struct ib_sa_query *query);
|
275 |
|
|
|
276 |
|
|
int ib_sa_path_rec_get(struct ib_sa_client *client,
|
277 |
|
|
struct ib_device *device, u8 port_num,
|
278 |
|
|
struct ib_sa_path_rec *rec,
|
279 |
|
|
ib_sa_comp_mask comp_mask,
|
280 |
|
|
int timeout_ms, gfp_t gfp_mask,
|
281 |
|
|
void (*callback)(int status,
|
282 |
|
|
struct ib_sa_path_rec *resp,
|
283 |
|
|
void *context),
|
284 |
|
|
void *context,
|
285 |
|
|
struct ib_sa_query **query);
|
286 |
|
|
|
287 |
|
|
int ib_sa_service_rec_query(struct ib_sa_client *client,
|
288 |
|
|
struct ib_device *device, u8 port_num,
|
289 |
|
|
u8 method,
|
290 |
|
|
struct ib_sa_service_rec *rec,
|
291 |
|
|
ib_sa_comp_mask comp_mask,
|
292 |
|
|
int timeout_ms, gfp_t gfp_mask,
|
293 |
|
|
void (*callback)(int status,
|
294 |
|
|
struct ib_sa_service_rec *resp,
|
295 |
|
|
void *context),
|
296 |
|
|
void *context,
|
297 |
|
|
struct ib_sa_query **sa_query);
|
298 |
|
|
|
299 |
|
|
struct ib_sa_multicast {
|
300 |
|
|
struct ib_sa_mcmember_rec rec;
|
301 |
|
|
ib_sa_comp_mask comp_mask;
|
302 |
|
|
int (*callback)(int status,
|
303 |
|
|
struct ib_sa_multicast *multicast);
|
304 |
|
|
void *context;
|
305 |
|
|
};
|
306 |
|
|
|
307 |
|
|
/**
|
308 |
|
|
* ib_sa_join_multicast - Initiates a join request to the specified multicast
|
309 |
|
|
* group.
|
310 |
|
|
* @client: SA client
|
311 |
|
|
* @device: Device associated with the multicast group.
|
312 |
|
|
* @port_num: Port on the specified device to associate with the multicast
|
313 |
|
|
* group.
|
314 |
|
|
* @rec: SA multicast member record specifying group attributes.
|
315 |
|
|
* @comp_mask: Component mask indicating which group attributes of %rec are
|
316 |
|
|
* valid.
|
317 |
|
|
* @gfp_mask: GFP mask for memory allocations.
|
318 |
|
|
* @callback: User callback invoked once the join operation completes.
|
319 |
|
|
* @context: User specified context stored with the ib_sa_multicast structure.
|
320 |
|
|
*
|
321 |
|
|
* This call initiates a multicast join request with the SA for the specified
|
322 |
|
|
* multicast group. If the join operation is started successfully, it returns
|
323 |
|
|
* an ib_sa_multicast structure that is used to track the multicast operation.
|
324 |
|
|
* Users must free this structure by calling ib_free_multicast, even if the
|
325 |
|
|
* join operation later fails. (The callback status is non-zero.)
|
326 |
|
|
*
|
327 |
|
|
* If the join operation fails; status will be non-zero, with the following
|
328 |
|
|
* failures possible:
|
329 |
|
|
* -ETIMEDOUT: The request timed out.
|
330 |
|
|
* -EIO: An error occurred sending the query.
|
331 |
|
|
* -EINVAL: The MCMemberRecord values differed from the existing group's.
|
332 |
|
|
* -ENETRESET: Indicates that an fatal error has occurred on the multicast
|
333 |
|
|
* group, and the user must rejoin the group to continue using it.
|
334 |
|
|
*/
|
335 |
|
|
struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
|
336 |
|
|
struct ib_device *device, u8 port_num,
|
337 |
|
|
struct ib_sa_mcmember_rec *rec,
|
338 |
|
|
ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
|
339 |
|
|
int (*callback)(int status,
|
340 |
|
|
struct ib_sa_multicast
|
341 |
|
|
*multicast),
|
342 |
|
|
void *context);
|
343 |
|
|
|
344 |
|
|
/**
|
345 |
|
|
* ib_free_multicast - Frees the multicast tracking structure, and releases
|
346 |
|
|
* any reference on the multicast group.
|
347 |
|
|
* @multicast: Multicast tracking structure allocated by ib_join_multicast.
|
348 |
|
|
*
|
349 |
|
|
* This call blocks until the multicast identifier is destroyed. It may
|
350 |
|
|
* not be called from within the multicast callback; however, returning a non-
|
351 |
|
|
* zero value from the callback will result in destroying the multicast
|
352 |
|
|
* tracking structure.
|
353 |
|
|
*/
|
354 |
|
|
void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
|
355 |
|
|
|
356 |
|
|
/**
|
357 |
|
|
* ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
|
358 |
|
|
* returns it if found.
|
359 |
|
|
* @device: Device associated with the multicast group.
|
360 |
|
|
* @port_num: Port on the specified device to associate with the multicast
|
361 |
|
|
* group.
|
362 |
|
|
* @mgid: MGID of multicast group.
|
363 |
|
|
* @rec: Location to copy SA multicast member record.
|
364 |
|
|
*/
|
365 |
|
|
int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
|
366 |
|
|
union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
|
367 |
|
|
|
368 |
|
|
/**
|
369 |
|
|
* ib_init_ah_from_mcmember - Initialize address handle attributes based on
|
370 |
|
|
* an SA multicast member record.
|
371 |
|
|
*/
|
372 |
|
|
int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
|
373 |
|
|
struct ib_sa_mcmember_rec *rec,
|
374 |
|
|
struct ib_ah_attr *ah_attr);
|
375 |
|
|
|
376 |
|
|
/**
|
377 |
|
|
* ib_init_ah_from_path - Initialize address handle attributes based on an SA
|
378 |
|
|
* path record.
|
379 |
|
|
*/
|
380 |
|
|
int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
|
381 |
|
|
struct ib_sa_path_rec *rec,
|
382 |
|
|
struct ib_ah_attr *ah_attr);
|
383 |
|
|
|
384 |
|
|
#endif /* IB_SA_H */
|