ib_sa.h 15.8 KB
Newer Older
Linus Torvalds's avatar
Linus Torvalds committed
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.
Linus Torvalds's avatar
Linus Torvalds committed
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef IB_SA_H
#define IB_SA_H

38
#include <linux/completion.h>
Linus Torvalds's avatar
Linus Torvalds committed
39 40
#include <linux/compiler.h>

Arun Sharma's avatar
Arun Sharma committed
41
#include <linux/atomic.h>
42
#include <linux/netdevice.h>
43

44 45
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
Linus Torvalds's avatar
Linus Torvalds committed
46 47

enum {
48
	IB_SA_CLASS_VERSION		= 2,	/* IB spec version 1.1/1.2 */
Linus Torvalds's avatar
Linus Torvalds committed
49

50 51
	IB_SA_METHOD_GET_TABLE		= 0x12,
	IB_SA_METHOD_GET_TABLE_RESP	= 0x92,
52 53 54 55 56
	IB_SA_METHOD_DELETE		= 0x15,
	IB_SA_METHOD_DELETE_RESP	= 0x95,
	IB_SA_METHOD_GET_MULTI		= 0x14,
	IB_SA_METHOD_GET_MULTI_RESP	= 0x94,
	IB_SA_METHOD_GET_TRACE_TBL	= 0x13
Linus Torvalds's avatar
Linus Torvalds committed
57 58
};

59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
enum {
	IB_SA_ATTR_CLASS_PORTINFO    = 0x01,
	IB_SA_ATTR_NOTICE	     = 0x02,
	IB_SA_ATTR_INFORM_INFO	     = 0x03,
	IB_SA_ATTR_NODE_REC	     = 0x11,
	IB_SA_ATTR_PORT_INFO_REC     = 0x12,
	IB_SA_ATTR_SL2VL_REC	     = 0x13,
	IB_SA_ATTR_SWITCH_REC	     = 0x14,
	IB_SA_ATTR_LINEAR_FDB_REC    = 0x15,
	IB_SA_ATTR_RANDOM_FDB_REC    = 0x16,
	IB_SA_ATTR_MCAST_FDB_REC     = 0x17,
	IB_SA_ATTR_SM_INFO_REC	     = 0x18,
	IB_SA_ATTR_LINK_REC	     = 0x20,
	IB_SA_ATTR_GUID_INFO_REC     = 0x30,
	IB_SA_ATTR_SERVICE_REC	     = 0x31,
	IB_SA_ATTR_PARTITION_REC     = 0x33,
	IB_SA_ATTR_PATH_REC	     = 0x35,
	IB_SA_ATTR_VL_ARB_REC	     = 0x36,
	IB_SA_ATTR_MC_MEMBER_REC     = 0x38,
	IB_SA_ATTR_TRACE_REC	     = 0x39,
	IB_SA_ATTR_MULTI_PATH_REC    = 0x3a,
	IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
	IB_SA_ATTR_INFORM_INFO_REC   = 0xf3
};

Linus Torvalds's avatar
Linus Torvalds committed
84
enum ib_sa_selector {
85 86
	IB_SA_GT   = 0,
	IB_SA_LT   = 1,
Linus Torvalds's avatar
Linus Torvalds committed
87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
	IB_SA_EQ   = 2,
	/*
	 * The meaning of "best" depends on the attribute: for
	 * example, for MTU best will return the largest available
	 * MTU, while for packet life time, best will return the
	 * smallest available life time.
	 */
	IB_SA_BEST = 3
};

/*
 * Structures for SA records are named "struct ib_sa_xxx_rec."  No
 * attempt is made to pack structures to match the physical layout of
 * SA records in SA MADs; all packing and unpacking is handled by the
 * SA query code.
 *
 * For a record with structure ib_sa_xxx_rec, the naming convention
 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
 * never use different abbreviations or otherwise change the spelling
 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
 *
 * Reserved rows are indicated with comments to help maintainability.
 */

111 112
#define IB_SA_PATH_REC_SERVICE_ID		       (IB_SA_COMP_MASK( 0) |\
							IB_SA_COMP_MASK( 1))
Linus Torvalds's avatar
Linus Torvalds committed
113 114 115 116 117 118 119 120 121 122 123 124
#define IB_SA_PATH_REC_DGID				IB_SA_COMP_MASK( 2)
#define IB_SA_PATH_REC_SGID				IB_SA_COMP_MASK( 3)
#define IB_SA_PATH_REC_DLID				IB_SA_COMP_MASK( 4)
#define IB_SA_PATH_REC_SLID				IB_SA_COMP_MASK( 5)
#define IB_SA_PATH_REC_RAW_TRAFFIC			IB_SA_COMP_MASK( 6)
/* reserved:								 7 */
#define IB_SA_PATH_REC_FLOW_LABEL       		IB_SA_COMP_MASK( 8)
#define IB_SA_PATH_REC_HOP_LIMIT			IB_SA_COMP_MASK( 9)
#define IB_SA_PATH_REC_TRAFFIC_CLASS			IB_SA_COMP_MASK(10)
#define IB_SA_PATH_REC_REVERSIBLE			IB_SA_COMP_MASK(11)
#define IB_SA_PATH_REC_NUMB_PATH			IB_SA_COMP_MASK(12)
#define IB_SA_PATH_REC_PKEY				IB_SA_COMP_MASK(13)
125
#define IB_SA_PATH_REC_QOS_CLASS			IB_SA_COMP_MASK(14)
Linus Torvalds's avatar
Linus Torvalds committed
126 127 128 129 130 131 132 133 134 135
#define IB_SA_PATH_REC_SL				IB_SA_COMP_MASK(15)
#define IB_SA_PATH_REC_MTU_SELECTOR			IB_SA_COMP_MASK(16)
#define IB_SA_PATH_REC_MTU				IB_SA_COMP_MASK(17)
#define IB_SA_PATH_REC_RATE_SELECTOR			IB_SA_COMP_MASK(18)
#define IB_SA_PATH_REC_RATE				IB_SA_COMP_MASK(19)
#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(20)
#define IB_SA_PATH_REC_PACKET_LIFE_TIME			IB_SA_COMP_MASK(21)
#define IB_SA_PATH_REC_PREFERENCE			IB_SA_COMP_MASK(22)

struct ib_sa_path_rec {
136
	__be64       service_id;
Linus Torvalds's avatar
Linus Torvalds committed
137 138
	union ib_gid dgid;
	union ib_gid sgid;
139 140
	__be16       dlid;
	__be16       slid;
Linus Torvalds's avatar
Linus Torvalds committed
141 142
	int          raw_traffic;
	/* reserved */
143
	__be32       flow_label;
Linus Torvalds's avatar
Linus Torvalds committed
144 145 146 147
	u8           hop_limit;
	u8           traffic_class;
	int          reversible;
	u8           numb_path;
148
	__be16       pkey;
149
	__be16       qos_class;
Linus Torvalds's avatar
Linus Torvalds committed
150 151
	u8           sl;
	u8           mtu_selector;
152
	u8           mtu;
Linus Torvalds's avatar
Linus Torvalds committed
153 154 155 156 157
	u8           rate_selector;
	u8           rate;
	u8           packet_life_time_selector;
	u8           packet_life_time;
	u8           preference;
158
	u8           dmac[ETH_ALEN];
159 160 161 162
	/* ignored in IB */
	int	     ifindex;
	/* ignored in IB */
	struct net  *net;
163
	enum ib_gid_type gid_type;
Linus Torvalds's avatar
Linus Torvalds committed
164 165
};

166 167 168 169 170
static inline struct net_device *ib_get_ndev_from_path(struct ib_sa_path_rec *rec)
{
	return rec->net ? dev_get_by_index(rec->net, rec->ifindex) : NULL;
}

Linus Torvalds's avatar
Linus Torvalds committed
171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192
#define IB_SA_MCMEMBER_REC_MGID				IB_SA_COMP_MASK( 0)
#define IB_SA_MCMEMBER_REC_PORT_GID			IB_SA_COMP_MASK( 1)
#define IB_SA_MCMEMBER_REC_QKEY				IB_SA_COMP_MASK( 2)
#define IB_SA_MCMEMBER_REC_MLID				IB_SA_COMP_MASK( 3)
#define IB_SA_MCMEMBER_REC_MTU_SELECTOR			IB_SA_COMP_MASK( 4)
#define IB_SA_MCMEMBER_REC_MTU				IB_SA_COMP_MASK( 5)
#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS		IB_SA_COMP_MASK( 6)
#define IB_SA_MCMEMBER_REC_PKEY				IB_SA_COMP_MASK( 7)
#define IB_SA_MCMEMBER_REC_RATE_SELECTOR		IB_SA_COMP_MASK( 8)
#define IB_SA_MCMEMBER_REC_RATE				IB_SA_COMP_MASK( 9)
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(10)
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME		IB_SA_COMP_MASK(11)
#define IB_SA_MCMEMBER_REC_SL				IB_SA_COMP_MASK(12)
#define IB_SA_MCMEMBER_REC_FLOW_LABEL			IB_SA_COMP_MASK(13)
#define IB_SA_MCMEMBER_REC_HOP_LIMIT			IB_SA_COMP_MASK(14)
#define IB_SA_MCMEMBER_REC_SCOPE			IB_SA_COMP_MASK(15)
#define IB_SA_MCMEMBER_REC_JOIN_STATE			IB_SA_COMP_MASK(16)
#define IB_SA_MCMEMBER_REC_PROXY_JOIN			IB_SA_COMP_MASK(17)

struct ib_sa_mcmember_rec {
	union ib_gid mgid;
	union ib_gid port_gid;
193 194
	__be32       qkey;
	__be16       mlid;
Linus Torvalds's avatar
Linus Torvalds committed
195
	u8           mtu_selector;
196
	u8           mtu;
Linus Torvalds's avatar
Linus Torvalds committed
197
	u8           traffic_class;
198
	__be16       pkey;
Linus Torvalds's avatar
Linus Torvalds committed
199 200 201 202 203
	u8 	     rate_selector;
	u8 	     rate;
	u8 	     packet_life_time_selector;
	u8 	     packet_life_time;
	u8           sl;
204
	__be32       flow_label;
Linus Torvalds's avatar
Linus Torvalds committed
205 206 207 208 209 210
	u8           hop_limit;
	u8           scope;
	u8           join_state;
	int          proxy_join;
};

211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254
/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1	*/
#define IB_SA_SERVICE_REC_SERVICE_ID			IB_SA_COMP_MASK( 0)
#define IB_SA_SERVICE_REC_SERVICE_GID			IB_SA_COMP_MASK( 1)
#define IB_SA_SERVICE_REC_SERVICE_PKEY			IB_SA_COMP_MASK( 2)
/* reserved:								 3 */
#define IB_SA_SERVICE_REC_SERVICE_LEASE			IB_SA_COMP_MASK( 4)
#define IB_SA_SERVICE_REC_SERVICE_KEY			IB_SA_COMP_MASK( 5)
#define IB_SA_SERVICE_REC_SERVICE_NAME			IB_SA_COMP_MASK( 6)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_0		IB_SA_COMP_MASK( 7)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_1		IB_SA_COMP_MASK( 8)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_2		IB_SA_COMP_MASK( 9)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_3		IB_SA_COMP_MASK(10)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_4		IB_SA_COMP_MASK(11)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_5		IB_SA_COMP_MASK(12)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_6		IB_SA_COMP_MASK(13)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_7		IB_SA_COMP_MASK(14)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_8		IB_SA_COMP_MASK(15)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_9		IB_SA_COMP_MASK(16)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_10		IB_SA_COMP_MASK(17)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_11		IB_SA_COMP_MASK(18)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_12		IB_SA_COMP_MASK(19)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_13		IB_SA_COMP_MASK(20)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_14		IB_SA_COMP_MASK(21)
#define IB_SA_SERVICE_REC_SERVICE_DATA8_15		IB_SA_COMP_MASK(22)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_0		IB_SA_COMP_MASK(23)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_1		IB_SA_COMP_MASK(24)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_2		IB_SA_COMP_MASK(25)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_3		IB_SA_COMP_MASK(26)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_4		IB_SA_COMP_MASK(27)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_5		IB_SA_COMP_MASK(28)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_6		IB_SA_COMP_MASK(29)
#define IB_SA_SERVICE_REC_SERVICE_DATA16_7		IB_SA_COMP_MASK(30)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_0		IB_SA_COMP_MASK(31)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_1		IB_SA_COMP_MASK(32)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_2		IB_SA_COMP_MASK(33)
#define IB_SA_SERVICE_REC_SERVICE_DATA32_3		IB_SA_COMP_MASK(34)
#define IB_SA_SERVICE_REC_SERVICE_DATA64_0		IB_SA_COMP_MASK(35)
#define IB_SA_SERVICE_REC_SERVICE_DATA64_1		IB_SA_COMP_MASK(36)

#define IB_DEFAULT_SERVICE_LEASE 	0xFFFFFFFF

struct ib_sa_service_rec {
	u64		id;
	union ib_gid	gid;
255
	__be16 		pkey;
256 257 258 259 260 261 262 263 264 265
	/* reserved */
	u32		lease;
	u8		key[16];
	u8		name[64];
	u8		data8[16];
	u16		data16[8];
	u32		data32[4];
	u64		data64[2];
};

266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287
#define IB_SA_GUIDINFO_REC_LID		IB_SA_COMP_MASK(0)
#define IB_SA_GUIDINFO_REC_BLOCK_NUM	IB_SA_COMP_MASK(1)
#define IB_SA_GUIDINFO_REC_RES1		IB_SA_COMP_MASK(2)
#define IB_SA_GUIDINFO_REC_RES2		IB_SA_COMP_MASK(3)
#define IB_SA_GUIDINFO_REC_GID0		IB_SA_COMP_MASK(4)
#define IB_SA_GUIDINFO_REC_GID1		IB_SA_COMP_MASK(5)
#define IB_SA_GUIDINFO_REC_GID2		IB_SA_COMP_MASK(6)
#define IB_SA_GUIDINFO_REC_GID3		IB_SA_COMP_MASK(7)
#define IB_SA_GUIDINFO_REC_GID4		IB_SA_COMP_MASK(8)
#define IB_SA_GUIDINFO_REC_GID5		IB_SA_COMP_MASK(9)
#define IB_SA_GUIDINFO_REC_GID6		IB_SA_COMP_MASK(10)
#define IB_SA_GUIDINFO_REC_GID7		IB_SA_COMP_MASK(11)

struct ib_sa_guidinfo_rec {
	__be16	lid;
	u8	block_num;
	/* reserved */
	u8	res1;
	__be32	res2;
	u8	guid_info_list[64];
};

288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303
struct ib_sa_client {
	atomic_t users;
	struct completion comp;
};

/**
 * ib_sa_register_client - Register an SA client.
 */
void ib_sa_register_client(struct ib_sa_client *client);

/**
 * ib_sa_unregister_client - Deregister an SA client.
 * @client: Client object to deregister.
 */
void ib_sa_unregister_client(struct ib_sa_client *client);

Linus Torvalds's avatar
Linus Torvalds committed
304 305 306 307
struct ib_sa_query;

void ib_sa_cancel_query(int id, struct ib_sa_query *query);

308 309
int ib_sa_path_rec_get(struct ib_sa_client *client,
		       struct ib_device *device, u8 port_num,
Linus Torvalds's avatar
Linus Torvalds committed
310 311
		       struct ib_sa_path_rec *rec,
		       ib_sa_comp_mask comp_mask,
312
		       int timeout_ms, gfp_t gfp_mask,
Linus Torvalds's avatar
Linus Torvalds committed
313 314 315 316 317 318
		       void (*callback)(int status,
					struct ib_sa_path_rec *resp,
					void *context),
		       void *context,
		       struct ib_sa_query **query);

319 320
int ib_sa_service_rec_query(struct ib_sa_client *client,
			 struct ib_device *device, u8 port_num,
321 322 323
			 u8 method,
			 struct ib_sa_service_rec *rec,
			 ib_sa_comp_mask comp_mask,
324
			 int timeout_ms, gfp_t gfp_mask,
325 326 327 328 329 330
			 void (*callback)(int status,
					  struct ib_sa_service_rec *resp,
					  void *context),
			 void *context,
			 struct ib_sa_query **sa_query);

331 332 333 334 335 336 337 338
struct ib_sa_multicast {
	struct ib_sa_mcmember_rec rec;
	ib_sa_comp_mask		comp_mask;
	int			(*callback)(int status,
					    struct ib_sa_multicast *multicast);
	void			*context;
};

Linus Torvalds's avatar
Linus Torvalds committed
339
/**
340 341 342 343 344 345 346 347 348 349 350 351
 * ib_sa_join_multicast - Initiates a join request to the specified multicast
 *   group.
 * @client: SA client
 * @device: Device associated with the multicast group.
 * @port_num: Port on the specified device to associate with the multicast
 *   group.
 * @rec: SA multicast member record specifying group attributes.
 * @comp_mask: Component mask indicating which group attributes of %rec are
 *   valid.
 * @gfp_mask: GFP mask for memory allocations.
 * @callback: User callback invoked once the join operation completes.
 * @context: User specified context stored with the ib_sa_multicast structure.
Linus Torvalds's avatar
Linus Torvalds committed
352
 *
353 354 355 356 357
 * This call initiates a multicast join request with the SA for the specified
 * multicast group.  If the join operation is started successfully, it returns
 * an ib_sa_multicast structure that is used to track the multicast operation.
 * Users must free this structure by calling ib_free_multicast, even if the
 * join operation later fails.  (The callback status is non-zero.)
Linus Torvalds's avatar
Linus Torvalds committed
358
 *
359 360 361 362 363 364 365
 * If the join operation fails; status will be non-zero, with the following
 * failures possible:
 * -ETIMEDOUT: The request timed out.
 * -EIO: An error occurred sending the query.
 * -EINVAL: The MCMemberRecord values differed from the existing group's.
 * -ENETRESET: Indicates that an fatal error has occurred on the multicast
 *   group, and the user must rejoin the group to continue using it.
Linus Torvalds's avatar
Linus Torvalds committed
366
 */
367 368 369 370 371 372 373 374
struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
					     struct ib_device *device, u8 port_num,
					     struct ib_sa_mcmember_rec *rec,
					     ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
					     int (*callback)(int status,
							     struct ib_sa_multicast
								    *multicast),
					     void *context);
Linus Torvalds's avatar
Linus Torvalds committed
375 376

/**
377 378 379
 * ib_free_multicast - Frees the multicast tracking structure, and releases
 *    any reference on the multicast group.
 * @multicast: Multicast tracking structure allocated by ib_join_multicast.
Linus Torvalds's avatar
Linus Torvalds committed
380
 *
381 382 383 384 385 386 387 388 389 390 391 392 393 394 395
 * This call blocks until the multicast identifier is destroyed.  It may
 * not be called from within the multicast callback; however, returning a non-
 * zero value from the callback will result in destroying the multicast
 * tracking structure.
 */
void ib_sa_free_multicast(struct ib_sa_multicast *multicast);

/**
 * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
 *   returns it if found.
 * @device: Device associated with the multicast group.
 * @port_num: Port on the specified device to associate with the multicast
 *   group.
 * @mgid: MGID of multicast group.
 * @rec: Location to copy SA multicast member record.
Linus Torvalds's avatar
Linus Torvalds committed
396
 */
397 398 399 400 401 402 403 404 405
int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
			   union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);

/**
 * ib_init_ah_from_mcmember - Initialize address handle attributes based on
 * an SA multicast member record.
 */
int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
			     struct ib_sa_mcmember_rec *rec,
406 407
			     struct net_device *ndev,
			     enum ib_gid_type gid_type,
408
			     struct ib_ah_attr *ah_attr);
Linus Torvalds's avatar
Linus Torvalds committed
409

410 411 412 413 414 415 416
/**
 * ib_init_ah_from_path - Initialize address handle attributes based on an SA
 *   path record.
 */
int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
			 struct ib_sa_path_rec *rec,
			 struct ib_ah_attr *ah_attr);
Linus Torvalds's avatar
Linus Torvalds committed
417

418 419 420 421 422 423
/**
 * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
 * to IB MAD wire format.
 */
void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);

424 425 426 427 428 429
/**
 * ib_sa_unpack_path - Convert a path record from MAD format to struct
 * ib_sa_path_rec.
 */
void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);

430 431 432 433 434 435 436 437 438 439 440
/* Support GuidInfoRecord */
int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
			      struct ib_device *device, u8 port_num,
			      struct ib_sa_guidinfo_rec *rec,
			      ib_sa_comp_mask comp_mask, u8 method,
			      int timeout_ms, gfp_t gfp_mask,
			      void (*callback)(int status,
					       struct ib_sa_guidinfo_rec *resp,
					       void *context),
			      void *context,
			      struct ib_sa_query **sa_query);
441

Linus Torvalds's avatar
Linus Torvalds committed
442
#endif /* IB_SA_H */