xref: /freebsd/contrib/ofed/opensm/libvendor/osm_vendor_ibumad.c (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
1 /*
2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4  * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5  * Copyright (c) 2009 HNR Consulting. All rights reserved.
6  * Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
7  *
8  * This software is available to you under a choice of one of two
9  * licenses.  You may choose to be licensed under the terms of the GNU
10  * General Public License (GPL) Version 2, available from the file
11  * COPYING in the main directory of this source tree, or the
12  * OpenIB.org BSD license below:
13  *
14  *     Redistribution and use in source and binary forms, with or
15  *     without modification, are permitted provided that the following
16  *     conditions are met:
17  *
18  *      - Redistributions of source code must retain the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer.
21  *
22  *      - Redistributions in binary form must reproduce the above
23  *        copyright notice, this list of conditions and the following
24  *        disclaimer in the documentation and/or other materials
25  *        provided with the distribution.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34  * SOFTWARE.
35  *
36  */
37 
38 /*
39  * Abstract:
40  *    Implementation of osm_vendor_t (for umad).
41  * This object represents the OpenIB vendor layer.
42  * This object is part of the opensm family of objects.
43  *
44  * Environment:
45  *    Linux User Mode
46  *
47  */
48 
49 #if HAVE_CONFIG_H
50 #  include <config.h>
51 #endif				/* HAVE_CONFIG_H */
52 
53 #ifdef OSM_VENDOR_INTF_OPENIB
54 
55 #include <unistd.h>
56 #include <stdlib.h>
57 #include <fcntl.h>
58 #include <errno.h>
59 
60 #include <iba/ib_types.h>
61 #include <complib/cl_qlist.h>
62 #include <complib/cl_math.h>
63 #include <complib/cl_debug.h>
64 #include <opensm/osm_file_ids.h>
65 #define FILE_ID OSM_FILE_VENDOR_IBUMAD_C
66 #include <opensm/osm_madw.h>
67 #include <opensm/osm_log.h>
68 #include <opensm/osm_mad_pool.h>
69 #include <opensm/osm_helper.h>
70 #include <vendor/osm_vendor_api.h>
71 
72 /****s* OpenSM: Vendor UMAD/osm_umad_bind_info_t
73  * NAME
74  *   osm_umad_bind_info_t
75  *
76  * DESCRIPTION
77  *    Structure containing bind information.
78  *
79  * SYNOPSIS
80  */
81 typedef struct _osm_umad_bind_info {
82 	osm_vendor_t *p_vend;
83 	void *client_context;
84 	osm_mad_pool_t *p_mad_pool;
85 	osm_vend_mad_recv_callback_t mad_recv_callback;
86 	osm_vend_mad_send_err_callback_t send_err_callback;
87 	ib_net64_t port_guid;
88 	int port_id;
89 	int agent_id;
90 	int agent_id1;		/* SMI requires two agents */
91 	int timeout;
92 	int max_retries;
93 } osm_umad_bind_info_t;
94 
95 typedef struct _umad_receiver {
96 	pthread_t tid;
97 	osm_vendor_t *p_vend;
98 	osm_log_t *p_log;
99 } umad_receiver_t;
100 
101 static void osm_vendor_close_port(osm_vendor_t * const p_vend);
102 
103 static void log_send_error(osm_vendor_t * const p_vend, osm_madw_t *p_madw)
104 {
105 	if (p_madw->p_mad->mgmt_class != IB_MCLASS_SUBN_DIR) {
106 		/* LID routed */
107 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5410: "
108 			"Send completed with error (%s) -- dropping\n"
109 			"\t\t\tClass 0x%x, Method 0x%X, Attr 0x%X, "
110 			"TID 0x%" PRIx64 ", LID %u\n",
111 			ib_get_err_str(p_madw->status),
112 			p_madw->p_mad->mgmt_class, p_madw->p_mad->method,
113 			cl_ntoh16(p_madw->p_mad->attr_id),
114 			cl_ntoh64(p_madw->p_mad->trans_id),
115 			cl_ntoh16(p_madw->mad_addr.dest_lid));
116 	} else {
117 		ib_smp_t *p_smp;
118 
119 		/* Direct routed SMP */
120 		p_smp = osm_madw_get_smp_ptr(p_madw);
121 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5411: "
122 			"DR SMP Send completed with error (%s) -- dropping\n"
123 			"\t\t\tMethod 0x%X, Attr 0x%X, TID 0x%" PRIx64 "\n",
124 			ib_get_err_str(p_madw->status),
125 			p_madw->p_mad->method,
126 			cl_ntoh16(p_madw->p_mad->attr_id),
127 			cl_ntoh64(p_madw->p_mad->trans_id));
128 		osm_dump_smp_dr_path(p_vend->p_log, p_smp, OSM_LOG_ERROR);
129 	}
130 }
131 
132 static void clear_madw(osm_vendor_t * p_vend)
133 {
134 	umad_match_t *m, *e, *old_m;
135 	ib_net64_t old_tid;
136 	uint8_t old_mgmt_class;
137 
138 	OSM_LOG_ENTER(p_vend->p_log);
139 	pthread_mutex_lock(&p_vend->match_tbl_mutex);
140 	for (m = p_vend->mtbl.tbl, e = m + p_vend->mtbl.max; m < e; m++) {
141 		if (m->tid) {
142 			old_m = m;
143 			old_tid = m->tid;
144 			old_mgmt_class = m->mgmt_class;
145 			m->tid = 0;
146 			osm_mad_pool_put(((osm_umad_bind_info_t
147 					   *) ((osm_madw_t *) m->v)->h_bind)->
148 					 p_mad_pool, m->v);
149 			pthread_mutex_unlock(&p_vend->match_tbl_mutex);
150 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5401: "
151 				"evicting entry %p (tid was 0x%" PRIx64
152 				" mgmt class 0x%x)\n",
153 				old_m, cl_ntoh64(old_tid), old_mgmt_class);
154 			goto Exit;
155 		}
156 	}
157 	pthread_mutex_unlock(&p_vend->match_tbl_mutex);
158 
159 Exit:
160 	OSM_LOG_EXIT(p_vend->p_log);
161 }
162 
163 static osm_madw_t *get_madw(osm_vendor_t * p_vend, ib_net64_t * tid,
164 			    uint8_t mgmt_class)
165 {
166 	umad_match_t *m, *e;
167 	ib_net64_t mtid = (*tid & CL_HTON64(0x00000000ffffffffULL));
168 	osm_madw_t *res;
169 
170 	/*
171 	 * Since mtid == 0 is the empty key, we should not
172 	 * waste time looking for it
173 	 */
174 	if (mtid == 0 || mgmt_class == 0)
175 		return 0;
176 
177 	pthread_mutex_lock(&p_vend->match_tbl_mutex);
178 	for (m = p_vend->mtbl.tbl, e = m + p_vend->mtbl.max; m < e; m++) {
179 		if (m->tid == mtid && m->mgmt_class == mgmt_class) {
180 			m->tid = 0;
181 			m->mgmt_class = 0;
182 			*tid = mtid;
183 			res = m->v;
184 			pthread_mutex_unlock(&p_vend->match_tbl_mutex);
185 			return res;
186 		}
187 	}
188 
189 	pthread_mutex_unlock(&p_vend->match_tbl_mutex);
190 	return 0;
191 }
192 
193 /*
194  * If match table full, evict LRU (least recently used) transaction.
195  * Maintain 2 LRUs: one for SMPs, and one for others (GS).
196  * Evict LRU GS transaction if one is available and only evict LRU SMP
197  * transaction if no other choice.
198  */
199 static void
200 put_madw(osm_vendor_t * p_vend, osm_madw_t * p_madw, ib_net64_t tid,
201 	 uint8_t mgmt_class)
202 {
203 	umad_match_t *m, *e, *old_lru, *lru = 0, *lru_smp = 0;
204 	osm_madw_t *p_req_madw;
205 	osm_umad_bind_info_t *p_bind;
206 	ib_net64_t old_tid;
207 	uint32_t oldest = ~0, oldest_smp = ~0;
208 	uint8_t old_mgmt_class;
209 
210 	pthread_mutex_lock(&p_vend->match_tbl_mutex);
211 	for (m = p_vend->mtbl.tbl, e = m + p_vend->mtbl.max; m < e; m++) {
212 		if (m->tid == 0 && m->mgmt_class == 0) {
213 			m->tid = tid;
214 			m->mgmt_class = mgmt_class;
215 			m->v = p_madw;
216 			m->version =
217 			    cl_atomic_inc((atomic32_t *) & p_vend->mtbl.
218 					  last_version);
219 			pthread_mutex_unlock(&p_vend->match_tbl_mutex);
220 			return;
221 		}
222 		if (m->mgmt_class == IB_MCLASS_SUBN_DIR ||
223 		    m->mgmt_class == IB_MCLASS_SUBN_LID) {
224 			if (oldest_smp >= m->version) {
225 				oldest_smp = m->version;
226 				lru_smp = m;
227 			}
228 		} else {
229 			if (oldest >= m->version) {
230 				oldest = m->version;
231 				lru = m;
232 			}
233 		}
234 	}
235 
236 	if (oldest != ~0) {
237 		old_lru = lru;
238 		old_tid = lru->tid;
239 		old_mgmt_class = lru->mgmt_class;
240 	} else {
241 		CL_ASSERT(oldest_smp != ~0);
242 		old_lru = lru_smp;
243 		old_tid = lru_smp->tid;
244 		old_mgmt_class = lru_smp->mgmt_class;
245 	}
246 	p_req_madw = old_lru->v;
247 	p_bind = p_req_madw->h_bind;
248 	p_req_madw->status = IB_CANCELED;
249 	log_send_error(p_vend, p_req_madw);
250 	pthread_mutex_lock(&p_vend->cb_mutex);
251 	(*p_bind->send_err_callback) (p_bind->client_context, p_req_madw);
252 	pthread_mutex_unlock(&p_vend->cb_mutex);
253 	if (mgmt_class == IB_MCLASS_SUBN_DIR ||
254 	    mgmt_class == IB_MCLASS_SUBN_LID) {
255 		lru_smp->tid = tid;
256 		lru_smp->mgmt_class = mgmt_class;
257 		lru_smp->v = p_madw;
258 		lru_smp->version =
259 		    cl_atomic_inc((atomic32_t *) & p_vend->mtbl.last_version);
260 	} else {
261 		lru->tid = tid;
262 		lru->mgmt_class = mgmt_class;
263 		lru->v = p_madw;
264 		lru->version =
265 		    cl_atomic_inc((atomic32_t *) & p_vend->mtbl.last_version);
266 	}
267 	pthread_mutex_unlock(&p_vend->match_tbl_mutex);
268 	OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5402: "
269 		"evicting entry %p (tid was 0x%" PRIx64
270 		" mgmt class 0x%x)\n", old_lru,
271 		cl_ntoh64(old_tid), old_mgmt_class);
272 }
273 
274 static void
275 ib_mad_addr_conv(ib_user_mad_t * umad, osm_mad_addr_t * osm_mad_addr,
276 		 int is_smi)
277 {
278 	ib_mad_addr_t *ib_mad_addr = umad_get_mad_addr(umad);
279 
280 	memset(osm_mad_addr, 0, sizeof(osm_mad_addr_t));
281 	osm_mad_addr->dest_lid = ib_mad_addr->lid;
282 	osm_mad_addr->path_bits = ib_mad_addr->path_bits;
283 
284 	if (is_smi) {
285 		osm_mad_addr->addr_type.smi.source_lid = osm_mad_addr->dest_lid;
286 		osm_mad_addr->addr_type.smi.port_num = 255;	/* not used */
287 		return;
288 	}
289 
290 	osm_mad_addr->addr_type.gsi.remote_qp = ib_mad_addr->qpn;
291 	osm_mad_addr->addr_type.gsi.remote_qkey = ib_mad_addr->qkey;
292 	osm_mad_addr->addr_type.gsi.pkey_ix = umad_get_pkey(umad);
293 	osm_mad_addr->addr_type.gsi.service_level = ib_mad_addr->sl;
294 	if (ib_mad_addr->grh_present) {
295 		osm_mad_addr->addr_type.gsi.global_route = 1;
296 		osm_mad_addr->addr_type.gsi.grh_info.hop_limit = ib_mad_addr->hop_limit;
297 		osm_mad_addr->addr_type.gsi.grh_info.ver_class_flow =
298 			ib_grh_set_ver_class_flow(6,	/* GRH version */
299 						  ib_mad_addr->traffic_class,
300 						  ib_mad_addr->flow_label);
301 		memcpy(&osm_mad_addr->addr_type.gsi.grh_info.dest_gid,
302 		       &ib_mad_addr->gid, 16);
303 	}
304 }
305 
306 static void *swap_mad_bufs(osm_madw_t * p_madw, void *umad)
307 {
308 	void *old;
309 
310 	old = p_madw->vend_wrap.umad;
311 	p_madw->vend_wrap.umad = umad;
312 	p_madw->p_mad = umad_get_mad(umad);
313 
314 	return old;
315 }
316 
317 static void unlock_mutex(void *arg)
318 {
319 	pthread_mutex_unlock(arg);
320 }
321 
322 static void *umad_receiver(void *p_ptr)
323 {
324 	umad_receiver_t *const p_ur = (umad_receiver_t *) p_ptr;
325 	osm_vendor_t *p_vend = p_ur->p_vend;
326 	osm_umad_bind_info_t *p_bind;
327 	osm_mad_addr_t osm_addr;
328 	osm_madw_t *p_madw, *p_req_madw;
329 	ib_mad_t *p_mad, *p_req_mad;
330 	void *umad = 0;
331 	int mad_agent, length;
332 
333 	OSM_LOG_ENTER(p_ur->p_log);
334 
335 	for (;;) {
336 		if (!umad &&
337 		    !(umad = umad_alloc(1, umad_size() + MAD_BLOCK_SIZE))) {
338 			OSM_LOG(p_ur->p_log, OSM_LOG_ERROR, "ERR 5403: "
339 				"can't alloc MAD sized umad\n");
340 			break;
341 		}
342 
343 		length = MAD_BLOCK_SIZE;
344 		if ((mad_agent = umad_recv(p_vend->umad_port_id, umad,
345 					   &length, -1)) < 0) {
346 			if (length <= MAD_BLOCK_SIZE) {
347 				OSM_LOG(p_ur->p_log, OSM_LOG_ERROR, "ERR 5404: "
348 					"recv error on MAD sized umad (%m)\n");
349 				continue;
350 			} else {
351 				umad_free(umad);
352 				/* Need a larger buffer for RMPP */
353 				umad = umad_alloc(1, umad_size() + length);
354 				if (!umad) {
355 					OSM_LOG(p_ur->p_log, OSM_LOG_ERROR,
356 						"ERR 5405: "
357 						"can't alloc umad length %d\n",
358 						length);
359 					continue;
360 				}
361 
362 				if ((mad_agent = umad_recv(p_vend->umad_port_id,
363 							   umad, &length,
364 							   -1)) < 0) {
365 					OSM_LOG(p_ur->p_log, OSM_LOG_ERROR,
366 						"ERR 5406: "
367 						"recv error on umad length %d (%m)\n",
368 						length);
369 					continue;
370 				}
371 			}
372 		}
373 
374 		if (mad_agent >= OSM_UMAD_MAX_AGENTS ||
375 		    !(p_bind = p_vend->agents[mad_agent])) {
376 			OSM_LOG(p_ur->p_log, OSM_LOG_ERROR, "ERR 5407: "
377 				"invalid mad agent %d - dropping\n", mad_agent);
378 			continue;
379 		}
380 
381 		p_mad = (ib_mad_t *) umad_get_mad(umad);
382 
383 		ib_mad_addr_conv(umad, &osm_addr,
384 				 p_mad->mgmt_class == IB_MCLASS_SUBN_LID ||
385 				 p_mad->mgmt_class == IB_MCLASS_SUBN_DIR);
386 
387 		if (!(p_madw = osm_mad_pool_get(p_bind->p_mad_pool,
388 						(osm_bind_handle_t) p_bind,
389 						MAX(length, MAD_BLOCK_SIZE),
390 						&osm_addr))) {
391 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5408: "
392 				"request for a new madw failed -- dropping packet\n");
393 			continue;
394 		}
395 
396 		/* Need to fix up MAD size if short RMPP packet */
397 		if (length < MAD_BLOCK_SIZE)
398 			p_madw->mad_size = length;
399 
400 		/*
401 		 * Avoid copying by swapping mad buf pointers.
402 		 * Do not use umad after this line of code.
403 		 */
404 		umad = swap_mad_bufs(p_madw, umad);
405 
406 		/* if status != 0 then we are handling recv timeout on send */
407 		if (umad_status(p_madw->vend_wrap.umad)) {
408 			if (!(p_req_madw = get_madw(p_vend, &p_mad->trans_id,
409 						    p_mad->mgmt_class))) {
410 				OSM_LOG(p_vend->p_log, OSM_LOG_ERROR,
411 					"ERR 5412: "
412 					"Failed to obtain request madw for timed out MAD"
413 					" (class=0x%X method=0x%X attr=0x%X tid=0x%"PRIx64") -- dropping\n",
414 					p_mad->mgmt_class, p_mad->method,
415 					cl_ntoh16(p_mad->attr_id),
416 					cl_ntoh64(p_mad->trans_id));
417 			} else {
418 				p_req_madw->status = IB_TIMEOUT;
419 				log_send_error(p_vend, p_req_madw);
420 				/* cb frees req_madw */
421 				pthread_mutex_lock(&p_vend->cb_mutex);
422 				pthread_cleanup_push(unlock_mutex,
423 						     &p_vend->cb_mutex);
424 				(*p_bind->send_err_callback) (p_bind->
425 							      client_context,
426 							      p_req_madw);
427 				pthread_cleanup_pop(1);
428 			}
429 
430 			osm_mad_pool_put(p_bind->p_mad_pool, p_madw);
431 			continue;
432 		}
433 
434 		p_req_madw = 0;
435 		if (ib_mad_is_response(p_mad)) {
436 			p_req_madw = get_madw(p_vend, &p_mad->trans_id,
437 					      p_mad->mgmt_class);
438 			if (PF(!p_req_madw)) {
439 				OSM_LOG(p_vend->p_log, OSM_LOG_ERROR,
440 					"ERR 5413: Failed to obtain request "
441 					"madw for received MAD "
442 					"(class=0x%X method=0x%X attr=0x%X "
443 					"tid=0x%"PRIx64") -- dropping\n",
444 					p_mad->mgmt_class, p_mad->method,
445 					cl_ntoh16(p_mad->attr_id),
446 					cl_ntoh64(p_mad->trans_id));
447 				osm_mad_pool_put(p_bind->p_mad_pool, p_madw);
448 				continue;
449 			}
450 
451 			/*
452 			 * Check that request MAD was really a request,
453 			 * and make sure that attribute ID, attribute
454 			 * modifier and transaction ID are the same in
455 			 * request and response.
456 			 *
457 			 * Exception for o15-0.2-1.11:
458 			 * SA response to a SubnAdmGetMulti() containing a
459 			 * MultiPathRecord shall have PathRecord attribute ID.
460 			 */
461 			p_req_mad = osm_madw_get_mad_ptr(p_req_madw);
462 			if (PF(ib_mad_is_response(p_req_mad) ||
463 			       (p_mad->attr_id != p_req_mad->attr_id &&
464                                 !(p_mad->mgmt_class == IB_MCLASS_SUBN_ADM &&
465                                   p_req_mad->attr_id ==
466 					IB_MAD_ATTR_MULTIPATH_RECORD &&
467                                   p_mad->attr_id == IB_MAD_ATTR_PATH_RECORD)) ||
468 			       p_mad->attr_mod != p_req_mad->attr_mod ||
469 			       p_mad->trans_id != p_req_mad->trans_id)) {
470 				OSM_LOG(p_vend->p_log, OSM_LOG_ERROR,
471 					"ERR 541A: "
472 					"Response MAD validation failed "
473 					"(request attr=0x%X modif=0x%X "
474 					"tid=0x%"PRIx64", "
475 					"response attr=0x%X modif=0x%X "
476 					"tid=0x%"PRIx64") -- dropping\n",
477 					cl_ntoh16(p_req_mad->attr_id),
478 					cl_ntoh32(p_req_mad->attr_mod),
479 					cl_ntoh64(p_req_mad->trans_id),
480 					cl_ntoh16(p_mad->attr_id),
481 					cl_ntoh32(p_mad->attr_mod),
482 					cl_ntoh64(p_mad->trans_id));
483 				osm_mad_pool_put(p_bind->p_mad_pool, p_madw);
484 				continue;
485 			}
486 		}
487 
488 #ifndef VENDOR_RMPP_SUPPORT
489 		if ((p_mad->mgmt_class != IB_MCLASS_SUBN_DIR) &&
490 		    (p_mad->mgmt_class != IB_MCLASS_SUBN_LID) &&
491 		    (ib_rmpp_is_flag_set((ib_rmpp_mad_t *) p_mad,
492 					 IB_RMPP_FLAG_ACTIVE))) {
493 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5414: "
494 				"class 0x%x method 0x%x RMPP version %d type "
495 				"%d flags 0x%x received -- dropping\n",
496 				p_mad->mgmt_class, p_mad->method,
497 				((ib_rmpp_mad_t *) p_mad)->rmpp_version,
498 				((ib_rmpp_mad_t *) p_mad)->rmpp_type,
499 				((ib_rmpp_mad_t *) p_mad)->rmpp_flags);
500 			osm_mad_pool_put(p_bind->p_mad_pool, p_madw);
501 			continue;
502 		}
503 #endif
504 
505 		/* call the CB */
506 		pthread_mutex_lock(&p_vend->cb_mutex);
507 		pthread_cleanup_push(unlock_mutex, &p_vend->cb_mutex);
508 		(*p_bind->mad_recv_callback) (p_madw, p_bind->client_context,
509 					      p_req_madw);
510 		pthread_cleanup_pop(1);
511 	}
512 
513 	OSM_LOG_EXIT(p_vend->p_log);
514 	return NULL;
515 }
516 
517 static int umad_receiver_start(osm_vendor_t * p_vend)
518 {
519 	umad_receiver_t *p_ur = p_vend->receiver;
520 
521 	p_ur->p_vend = p_vend;
522 	p_ur->p_log = p_vend->p_log;
523 
524 	if (pthread_create(&p_ur->tid, NULL, umad_receiver, p_ur) != 0)
525 		return -1;
526 
527 	return 0;
528 }
529 
530 static void umad_receiver_stop(umad_receiver_t * p_ur)
531 {
532 	pthread_cancel(p_ur->tid);
533 	pthread_join(p_ur->tid, NULL);
534 	p_ur->tid = 0;
535 	p_ur->p_vend = NULL;
536 	p_ur->p_log = NULL;
537 }
538 
539 ib_api_status_t
540 osm_vendor_init(IN osm_vendor_t * const p_vend,
541 		IN osm_log_t * const p_log, IN const uint32_t timeout)
542 {
543 	char *max = NULL;
544 	int r, n_cas;
545 
546 	OSM_LOG_ENTER(p_log);
547 
548 	p_vend->p_log = p_log;
549 	p_vend->timeout = timeout;
550 	p_vend->max_retries = OSM_DEFAULT_RETRY_COUNT;
551 	pthread_mutex_init(&p_vend->cb_mutex, NULL);
552 	pthread_mutex_init(&p_vend->match_tbl_mutex, NULL);
553 	p_vend->umad_port_id = -1;
554 	p_vend->issmfd = -1;
555 
556 	/*
557 	 * Open our instance of UMAD.
558 	 */
559 	if ((r = umad_init()) < 0) {
560 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR,
561 			"ERR 5415: Error opening UMAD\n");
562 	}
563 
564 	if ((n_cas = umad_get_cas_names(p_vend->ca_names,
565 					OSM_UMAD_MAX_CAS)) < 0) {
566 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR,
567 			"ERR 5416: umad_get_cas_names failed\n");
568 		r = n_cas;
569 		goto Exit;
570 	}
571 
572 	p_vend->ca_count = n_cas;
573 	p_vend->mtbl.max = DEFAULT_OSM_UMAD_MAX_PENDING;
574 
575 	if ((max = getenv("OSM_UMAD_MAX_PENDING")) != NULL) {
576 		int tmp = strtol(max, NULL, 0);
577 		if (tmp > 0)
578 			p_vend->mtbl.max = tmp;
579 		else
580 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "Error:"
581 				"OSM_UMAD_MAX_PENDING=%d is invalid\n",
582 				tmp);
583 	}
584 
585 	OSM_LOG(p_vend->p_log, OSM_LOG_INFO, "%d pending umads specified\n",
586 		p_vend->mtbl.max);
587 
588 	p_vend->mtbl.tbl = calloc(p_vend->mtbl.max, sizeof(*(p_vend->mtbl.tbl)));
589 	if (!p_vend->mtbl.tbl) {
590 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "Error:"
591 			"failed to allocate vendor match table\n");
592 		r = IB_INSUFFICIENT_MEMORY;
593 		goto Exit;
594 	}
595 
596 Exit:
597 	OSM_LOG_EXIT(p_log);
598 	return (r);
599 }
600 
601 osm_vendor_t *osm_vendor_new(IN osm_log_t * const p_log,
602 			     IN const uint32_t timeout)
603 {
604 	osm_vendor_t *p_vend = NULL;
605 
606 	OSM_LOG_ENTER(p_log);
607 
608 	if (!timeout) {
609 		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 5433: "
610 			"transaction timeout cannot be 0\n");
611 		goto Exit;
612 	}
613 
614 	p_vend = malloc(sizeof(*p_vend));
615 	if (p_vend == NULL) {
616 		OSM_LOG(p_log, OSM_LOG_ERROR, "ERR 5417: "
617 			"Unable to allocate vendor object\n");
618 		goto Exit;
619 	}
620 
621 	memset(p_vend, 0, sizeof(*p_vend));
622 
623 	if (osm_vendor_init(p_vend, p_log, timeout) != IB_SUCCESS) {
624 		free(p_vend);
625 		p_vend = NULL;
626 	}
627 
628 Exit:
629 	OSM_LOG_EXIT(p_log);
630 	return (p_vend);
631 }
632 
633 void osm_vendor_delete(IN osm_vendor_t ** const pp_vend)
634 {
635 	osm_vendor_close_port(*pp_vend);
636 
637 	clear_madw(*pp_vend);
638 	/* make sure all ports are closed */
639 	umad_done();
640 
641 	pthread_mutex_destroy(&(*pp_vend)->cb_mutex);
642 	pthread_mutex_destroy(&(*pp_vend)->match_tbl_mutex);
643 	free((*pp_vend)->mtbl.tbl);
644 	free(*pp_vend);
645 	*pp_vend = NULL;
646 }
647 
648 ib_api_status_t
649 osm_vendor_get_all_port_attr(IN osm_vendor_t * const p_vend,
650 			     IN ib_port_attr_t * const p_attr_array,
651 			     IN uint32_t * const p_num_ports)
652 {
653 	umad_ca_t ca;
654 	ib_port_attr_t *attr = p_attr_array;
655 	unsigned done = 0;
656 	int r = 0, i, j, k;
657 
658 	OSM_LOG_ENTER(p_vend->p_log);
659 
660 	CL_ASSERT(p_vend && p_num_ports);
661 
662 	if (!*p_num_ports) {
663 		r = IB_INVALID_PARAMETER;
664 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5418: "
665 			"Ports in should be > 0\n");
666 		goto Exit;
667 	}
668 
669 	if (!p_attr_array) {
670 		r = IB_INSUFFICIENT_MEMORY;
671 		*p_num_ports = 0;
672 		goto Exit;
673 	}
674 
675 	for (i = 0; i < p_vend->ca_count && !done; i++) {
676 		/* For each CA, retrieve the port attributes */
677 		if (umad_get_ca(p_vend->ca_names[i], &ca) == 0) {
678 			if (ca.node_type < 1 || ca.node_type > 3)
679 				continue;
680 			for (j = 0; j <= ca.numports; j++) {
681 				if (!ca.ports[j])
682 					continue;
683 				attr->port_guid = ca.ports[j]->port_guid;
684 				attr->lid = ca.ports[j]->base_lid;
685 				attr->port_num = ca.ports[j]->portnum;
686 				attr->sm_lid = ca.ports[j]->sm_lid;
687 				attr->sm_sl = ca.ports[j]->sm_sl;
688 				attr->link_state = ca.ports[j]->state;
689 				if (attr->num_pkeys && attr->p_pkey_table) {
690 					if (attr->num_pkeys > ca.ports[j]->pkeys_size)
691 						attr->num_pkeys = ca.ports[j]->pkeys_size;
692 					for (k = 0; k < attr->num_pkeys; k++)
693 						attr->p_pkey_table[k] =
694 							cl_hton16(ca.ports[j]->pkeys[k]);
695 				}
696 				attr->num_pkeys = ca.ports[j]->pkeys_size;
697 				if (attr->num_gids && attr->p_gid_table) {
698 					attr->p_gid_table[0].unicast.prefix = cl_hton64(ca.ports[j]->gid_prefix);
699 					attr->p_gid_table[0].unicast.interface_id = cl_hton64(ca.ports[j]->port_guid);
700 					attr->num_gids = 1;
701 				}
702 				attr++;
703 				if (attr - p_attr_array > *p_num_ports) {
704 					done = 1;
705 					break;
706 				}
707 			}
708 			umad_release_ca(&ca);
709 		}
710 	}
711 
712 	*p_num_ports = attr - p_attr_array;
713 
714 Exit:
715 	OSM_LOG_EXIT(p_vend->p_log);
716 	return r;
717 }
718 
719 static int
720 osm_vendor_open_port(IN osm_vendor_t * const p_vend,
721 		     IN const ib_net64_t port_guid)
722 {
723 	ib_net64_t portguids[OSM_UMAD_MAX_PORTS_PER_CA + 1];
724 	umad_ca_t umad_ca;
725 	int i = 0, umad_port_id = -1;
726 	char *name;
727 	int ca, r;
728 
729 	CL_ASSERT(p_vend);
730 
731 	OSM_LOG_ENTER(p_vend->p_log);
732 
733 	if (p_vend->umad_port_id >= 0) {
734 		umad_port_id = p_vend->umad_port_id;
735 		goto Exit;
736 	}
737 
738 	if (!port_guid) {
739 		name = NULL;
740 		i = 0;
741 		goto _found;
742 	}
743 
744 	for (ca = 0; ca < p_vend->ca_count; ca++) {
745 		if ((r = umad_get_ca_portguids(p_vend->ca_names[ca], portguids,
746 					       OSM_UMAD_MAX_PORTS_PER_CA + 1)) < 0) {
747 #ifdef __WIN__
748 			OSM_LOG(p_vend->p_log, OSM_LOG_VERBOSE,
749 #else
750 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5421: "
751 #endif
752 				"Unable to get CA %s port guids (%s)\n",
753 				p_vend->ca_names[ca], strerror(r));
754 			continue;
755 		}
756 		for (i = 0; i < r; i++)
757 			if (port_guid == portguids[i]) {
758 				name = p_vend->ca_names[ca];
759 				goto _found;
760 			}
761 	}
762 
763 	/*
764 	 * No local CA owns this guid!
765 	 */
766 	OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5422: "
767 		"Unable to find requested CA guid 0x%" PRIx64 "\n",
768 		cl_ntoh64(port_guid));
769 	goto Exit;
770 
771 _found:
772 	/* Validate that node is an IB node type (not iWARP) */
773 	if (umad_get_ca(name, &umad_ca) < 0) {
774 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 542A: "
775 			"umad_get_ca() failed\n");
776 		goto Exit;
777 	}
778 
779 	if (umad_ca.node_type < 1 || umad_ca.node_type > 3) {
780 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 542D: "
781 			"Type %d of node \'%s\' is not an IB node type\n",
782 			umad_ca.node_type, umad_ca.ca_name);
783 		fprintf(stderr,
784 			"Type %d of node \'%s\' is not an IB node type\n",
785 			umad_ca.node_type, umad_ca.ca_name);
786 		umad_release_ca(&umad_ca);
787 		goto Exit;
788 	}
789 	umad_release_ca(&umad_ca);
790 
791 	/* Port found, try to open it */
792 	if (umad_get_port(name, i, &p_vend->umad_port) < 0) {
793 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 542B: "
794 			"umad_get_port() failed\n");
795 		goto Exit;
796 	}
797 
798 	if ((umad_port_id = umad_open_port(p_vend->umad_port.ca_name,
799 					   p_vend->umad_port.portnum)) < 0) {
800 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 542C: "
801 			"umad_open_port() failed\n");
802 		goto Exit;
803 	}
804 
805 	p_vend->umad_port_id = umad_port_id;
806 
807 	/* start receiver thread */
808 	if (!(p_vend->receiver = calloc(1, sizeof(umad_receiver_t)))) {
809 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5423: "
810 			"Unable to alloc receiver struct\n");
811 		umad_close_port(umad_port_id);
812 		umad_release_port(&p_vend->umad_port);
813 		p_vend->umad_port.port_guid = 0;
814 		p_vend->umad_port_id = umad_port_id = -1;
815 		goto Exit;
816 	}
817 	if (umad_receiver_start(p_vend) != 0) {
818 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5420: "
819 			"umad_receiver_init failed\n");
820 		umad_close_port(umad_port_id);
821 		umad_release_port(&p_vend->umad_port);
822 		p_vend->umad_port.port_guid = 0;
823 		p_vend->umad_port_id = umad_port_id = -1;
824 	}
825 
826 Exit:
827 	OSM_LOG_EXIT(p_vend->p_log);
828 	return umad_port_id;
829 }
830 
831 static void osm_vendor_close_port(osm_vendor_t * const p_vend)
832 {
833 	umad_receiver_t *p_ur;
834 	int i;
835 
836 	p_ur = p_vend->receiver;
837 	p_vend->receiver = NULL;
838 	if (p_ur) {
839 		umad_receiver_stop(p_ur);
840 		free(p_ur);
841 	}
842 
843 	if (p_vend->umad_port_id >= 0) {
844 		for (i = 0; i < OSM_UMAD_MAX_AGENTS; i++)
845 			if (p_vend->agents[i])
846 				umad_unregister(p_vend->umad_port_id, i);
847 		umad_close_port(p_vend->umad_port_id);
848 		umad_release_port(&p_vend->umad_port);
849 		p_vend->umad_port.port_guid = 0;
850 		p_vend->umad_port_id = -1;
851 	}
852 }
853 
854 static int set_bit(int nr, void *method_mask)
855 {
856 	long mask, *addr = method_mask;
857 	int retval;
858 
859 	addr += nr / (8 * sizeof(long));
860 	mask = 1L << (nr % (8 * sizeof(long)));
861 	retval = (mask & *addr) != 0;
862 	*addr |= mask;
863 	return retval;
864 }
865 
866 osm_bind_handle_t
867 osm_vendor_bind(IN osm_vendor_t * const p_vend,
868 		IN osm_bind_info_t * const p_user_bind,
869 		IN osm_mad_pool_t * const p_mad_pool,
870 		IN osm_vend_mad_recv_callback_t mad_recv_callback,
871 		IN osm_vend_mad_send_err_callback_t send_err_callback,
872 		IN void *context)
873 {
874 	ib_net64_t port_guid;
875 	osm_umad_bind_info_t *p_bind = 0;
876 	long method_mask[16 / sizeof(long)];
877 	int umad_port_id;
878 	uint8_t rmpp_version;
879 
880 	OSM_LOG_ENTER(p_vend->p_log);
881 
882 	CL_ASSERT(p_user_bind);
883 	CL_ASSERT(p_mad_pool);
884 	CL_ASSERT(mad_recv_callback);
885 	CL_ASSERT(send_err_callback);
886 
887 	port_guid = p_user_bind->port_guid;
888 
889 	OSM_LOG(p_vend->p_log, OSM_LOG_INFO,
890 		"Mgmt class 0x%02x binding to port GUID 0x%" PRIx64 "\n",
891 		p_user_bind->mad_class, cl_ntoh64(port_guid));
892 
893 	if ((umad_port_id = osm_vendor_open_port(p_vend, port_guid)) < 0) {
894 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5424: "
895 			"Unable to open port 0x%" PRIx64 "\n",
896 			cl_ntoh64(port_guid));
897 		goto Exit;
898 	}
899 
900 	if (umad_get_issm_path(p_vend->umad_port.ca_name,
901 			       p_vend->umad_port.portnum,
902 			       p_vend->issm_path,
903 			       sizeof(p_vend->issm_path)) < 0) {
904 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 542E: "
905 			"Cannot resolve issm path for port %s:%u\n",
906 			p_vend->umad_port.ca_name, p_vend->umad_port.portnum);
907 		goto Exit;
908 	}
909 
910 	if (!(p_bind = malloc(sizeof(*p_bind)))) {
911 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5425: "
912 			"Unable to allocate internal bind object\n");
913 		goto Exit;
914 	}
915 
916 	memset(p_bind, 0, sizeof(*p_bind));
917 	p_bind->p_vend = p_vend;
918 	p_bind->port_id = umad_port_id;
919 	p_bind->client_context = context;
920 	p_bind->mad_recv_callback = mad_recv_callback;
921 	p_bind->send_err_callback = send_err_callback;
922 	p_bind->p_mad_pool = p_mad_pool;
923 	p_bind->port_guid = port_guid;
924 	p_bind->timeout = p_user_bind->timeout ? p_user_bind->timeout :
925 			  p_vend->timeout;
926 	p_bind->max_retries = p_user_bind->retries ? p_user_bind->retries :
927 			      p_vend->max_retries;
928 
929 	memset(method_mask, 0, sizeof method_mask);
930 	if (p_user_bind->is_responder) {
931 		set_bit(IB_MAD_METHOD_GET, &method_mask);
932 		set_bit(IB_MAD_METHOD_SET, &method_mask);
933 		if (p_user_bind->mad_class == IB_MCLASS_SUBN_ADM) {
934 			set_bit(IB_MAD_METHOD_GETTABLE, &method_mask);
935 			set_bit(IB_MAD_METHOD_DELETE, &method_mask);
936 #ifdef DUAL_SIDED_RMPP
937 			set_bit(IB_MAD_METHOD_GETMULTI, &method_mask);
938 #endif
939 			/* Add in IB_MAD_METHOD_GETTRACETABLE */
940 			/* when supported by OpenSM */
941 		}
942 	}
943 	if (p_user_bind->is_report_processor)
944 		set_bit(IB_MAD_METHOD_REPORT, &method_mask);
945 	if (p_user_bind->is_trap_processor) {
946 		set_bit(IB_MAD_METHOD_TRAP, &method_mask);
947 		set_bit(IB_MAD_METHOD_TRAP_REPRESS, &method_mask);
948 	}
949 #ifndef VENDOR_RMPP_SUPPORT
950 	rmpp_version = 0;
951 #else
952 	/* If SA class, set rmpp_version */
953 	if (p_user_bind->mad_class == IB_MCLASS_SUBN_ADM)
954 		rmpp_version = 1;
955 	else
956 		rmpp_version = 0;
957 #endif
958 
959 	if ((p_bind->agent_id = umad_register(p_vend->umad_port_id,
960 					      p_user_bind->mad_class,
961 					      p_user_bind->class_version,
962 					      rmpp_version, method_mask)) < 0) {
963 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5426: "
964 			"Unable to register class %u version %u\n",
965 			p_user_bind->mad_class, p_user_bind->class_version);
966 		free(p_bind);
967 		p_bind = 0;
968 		goto Exit;
969 	}
970 
971 	if (p_bind->agent_id >= OSM_UMAD_MAX_AGENTS ||
972 	    p_vend->agents[p_bind->agent_id]) {
973 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5427: "
974 			"bad agent id %u or duplicate agent for class %u vers %u\n",
975 			p_bind->agent_id, p_user_bind->mad_class,
976 			p_user_bind->class_version);
977 		free(p_bind);
978 		p_bind = 0;
979 		goto Exit;
980 	}
981 
982 	p_vend->agents[p_bind->agent_id] = p_bind;
983 
984 	/* If Subn Directed Route class, register Subn LID routed class */
985 	if (p_user_bind->mad_class == IB_MCLASS_SUBN_DIR) {
986 		if ((p_bind->agent_id1 = umad_register(p_vend->umad_port_id,
987 						       IB_MCLASS_SUBN_LID,
988 						       p_user_bind->
989 						       class_version, 0,
990 						       method_mask)) < 0) {
991 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5428: "
992 				"Unable to register class 1 version %u\n",
993 				p_user_bind->class_version);
994 			free(p_bind);
995 			p_bind = 0;
996 			goto Exit;
997 		}
998 
999 		if (p_bind->agent_id1 >= OSM_UMAD_MAX_AGENTS ||
1000 		    p_vend->agents[p_bind->agent_id1]) {
1001 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5429: "
1002 				"bad agent id %u or duplicate agent for class 1 vers %u\n",
1003 				p_bind->agent_id1, p_user_bind->class_version);
1004 			free(p_bind);
1005 			p_bind = 0;
1006 			goto Exit;
1007 		}
1008 
1009 		p_vend->agents[p_bind->agent_id1] = p_bind;
1010 	}
1011 
1012 Exit:
1013 	OSM_LOG_EXIT(p_vend->p_log);
1014 	return ((osm_bind_handle_t) p_bind);
1015 }
1016 
1017 static void
1018 __osm_vendor_recv_dummy_cb(IN osm_madw_t * p_madw,
1019 			   IN void *bind_context, IN osm_madw_t * p_req_madw)
1020 {
1021 #ifdef _DEBUG_
1022 	fprintf(stderr,
1023 		"__osm_vendor_recv_dummy_cb: Ignoring received MAD after osm_vendor_unbind\n");
1024 #endif
1025 }
1026 
1027 static void
1028 __osm_vendor_send_err_dummy_cb(IN void *bind_context,
1029 			       IN osm_madw_t * p_req_madw)
1030 {
1031 #ifdef _DEBUG_
1032 	fprintf(stderr,
1033 		"__osm_vendor_send_err_dummy_cb: Ignoring send error after osm_vendor_unbind\n");
1034 #endif
1035 }
1036 
1037 void osm_vendor_unbind(IN osm_bind_handle_t h_bind)
1038 {
1039 	osm_umad_bind_info_t *p_bind = (osm_umad_bind_info_t *) h_bind;
1040 	osm_vendor_t *p_vend = p_bind->p_vend;
1041 
1042 	OSM_LOG_ENTER(p_vend->p_log);
1043 
1044 	pthread_mutex_lock(&p_vend->cb_mutex);
1045 	p_bind->mad_recv_callback = __osm_vendor_recv_dummy_cb;
1046 	p_bind->send_err_callback = __osm_vendor_send_err_dummy_cb;
1047 	pthread_mutex_unlock(&p_vend->cb_mutex);
1048 
1049 	OSM_LOG_EXIT(p_vend->p_log);
1050 }
1051 
1052 ib_mad_t *osm_vendor_get(IN osm_bind_handle_t h_bind,
1053 			 IN const uint32_t mad_size,
1054 			 IN osm_vend_wrap_t * const p_vw)
1055 {
1056 	osm_umad_bind_info_t *p_bind = (osm_umad_bind_info_t *) h_bind;
1057 	osm_vendor_t *p_vend = p_bind->p_vend;
1058 
1059 	OSM_LOG_ENTER(p_vend->p_log);
1060 
1061 	OSM_LOG(p_vend->p_log, OSM_LOG_DEBUG,
1062 		"Acquiring UMAD for p_madw = %p, size = %u\n", p_vw, mad_size);
1063 	CL_ASSERT(p_vw);
1064 	p_vw->size = mad_size;
1065 	p_vw->umad = umad_alloc(1, mad_size + umad_size());
1066 
1067 	/* track locally */
1068 	p_vw->h_bind = h_bind;
1069 
1070 	OSM_LOG(p_vend->p_log, OSM_LOG_DEBUG,
1071 		"Acquired UMAD %p, size = %u\n", p_vw->umad, p_vw->size);
1072 
1073 	OSM_LOG_EXIT(p_vend->p_log);
1074 	return (p_vw->umad ? umad_get_mad(p_vw->umad) : NULL);
1075 }
1076 
1077 void
1078 osm_vendor_put(IN osm_bind_handle_t h_bind, IN osm_vend_wrap_t * const p_vw)
1079 {
1080 	osm_umad_bind_info_t *p_bind = (osm_umad_bind_info_t *) h_bind;
1081 	osm_vendor_t *p_vend = p_bind->p_vend;
1082 	osm_madw_t *p_madw;
1083 
1084 	OSM_LOG_ENTER(p_vend->p_log);
1085 
1086 	CL_ASSERT(p_vw);
1087 
1088 	OSM_LOG(p_vend->p_log, OSM_LOG_DEBUG, "Retiring UMAD %p\n", p_vw->umad);
1089 
1090 	/*
1091 	 * We moved the removal of the transaction to immediately after
1092 	 * it was looked up.
1093 	 */
1094 
1095 	/* free the mad but the wrapper is part of the madw object */
1096 	umad_free(p_vw->umad);
1097 	p_vw->umad = 0;
1098 	p_madw = PARENT_STRUCT(p_vw, osm_madw_t, vend_wrap);
1099 	p_madw->p_mad = NULL;
1100 
1101 	OSM_LOG_EXIT(p_vend->p_log);
1102 }
1103 
1104 ib_api_status_t
1105 osm_vendor_send(IN osm_bind_handle_t h_bind,
1106 		IN osm_madw_t * const p_madw, IN boolean_t const resp_expected)
1107 {
1108 	osm_umad_bind_info_t *const p_bind = h_bind;
1109 	osm_vendor_t *const p_vend = p_bind->p_vend;
1110 	osm_vend_wrap_t *const p_vw = osm_madw_get_vend_ptr(p_madw);
1111 	osm_mad_addr_t *const p_mad_addr = osm_madw_get_mad_addr_ptr(p_madw);
1112 	ib_mad_t *const p_mad = osm_madw_get_mad_ptr(p_madw);
1113 	ib_sa_mad_t *const p_sa = (ib_sa_mad_t *) p_mad;
1114 	ib_mad_addr_t mad_addr;
1115 	int ret = -1;
1116 	int __attribute__((__unused__)) is_rmpp = 0;
1117 	uint32_t sent_mad_size;
1118 	uint64_t tid;
1119 #ifndef VENDOR_RMPP_SUPPORT
1120 	uint32_t paylen = 0;
1121 #endif
1122 
1123 	OSM_LOG_ENTER(p_vend->p_log);
1124 
1125 	CL_ASSERT(p_vw->h_bind == h_bind);
1126 	CL_ASSERT(p_mad == umad_get_mad(p_vw->umad));
1127 
1128 	if (p_mad->mgmt_class == IB_MCLASS_SUBN_DIR) {
1129 		umad_set_addr_net(p_vw->umad, 0xffff, 0, 0, 0);
1130 		umad_set_grh(p_vw->umad, NULL);
1131 		goto Resp;
1132 	}
1133 	if (p_mad->mgmt_class == IB_MCLASS_SUBN_LID) {
1134 		umad_set_addr_net(p_vw->umad, p_mad_addr->dest_lid, 0, 0, 0);
1135 		umad_set_grh(p_vw->umad, NULL);
1136 		goto Resp;
1137 	}
1138 	/* GS classes */
1139 	umad_set_addr_net(p_vw->umad, p_mad_addr->dest_lid,
1140 			  p_mad_addr->addr_type.gsi.remote_qp,
1141 			  p_mad_addr->addr_type.gsi.service_level,
1142 			  IB_QP1_WELL_KNOWN_Q_KEY);
1143 	if (p_mad_addr->addr_type.gsi.global_route) {
1144 		mad_addr.grh_present = 1;
1145 		mad_addr.gid_index = 0;
1146 		mad_addr.hop_limit = p_mad_addr->addr_type.gsi.grh_info.hop_limit;
1147 		ib_grh_get_ver_class_flow(p_mad_addr->addr_type.gsi.grh_info.ver_class_flow,
1148 					  NULL, &mad_addr.traffic_class,
1149 					  &mad_addr.flow_label);
1150 		memcpy(&mad_addr.gid, &p_mad_addr->addr_type.gsi.grh_info.dest_gid, 16);
1151 		umad_set_grh(p_vw->umad, &mad_addr);
1152 	} else
1153 		umad_set_grh(p_vw->umad, NULL);
1154 	umad_set_pkey(p_vw->umad, p_mad_addr->addr_type.gsi.pkey_ix);
1155 	if (ib_class_is_rmpp(p_mad->mgmt_class)) {	/* RMPP GS classes */
1156 		if (!ib_rmpp_is_flag_set((ib_rmpp_mad_t *) p_sa,
1157 					 IB_RMPP_FLAG_ACTIVE)) {
1158 			/* Clear RMPP header when RMPP not ACTIVE */
1159 			p_sa->rmpp_version = 0;
1160 			p_sa->rmpp_type = 0;
1161 			p_sa->rmpp_flags = 0;
1162 			p_sa->rmpp_status = 0;
1163 #ifdef VENDOR_RMPP_SUPPORT
1164 		} else
1165 			is_rmpp = 1;
1166 		OSM_LOG(p_vend->p_log, OSM_LOG_DEBUG, "RMPP %d length %d\n",
1167 			ib_rmpp_is_flag_set((ib_rmpp_mad_t *) p_sa,
1168 					    IB_RMPP_FLAG_ACTIVE),
1169 			p_madw->mad_size);
1170 #else
1171 		} else {
1172 			p_sa->rmpp_version = 1;
1173 			p_sa->seg_num = cl_ntoh32(1);	/* first DATA is seg 1 */
1174 			p_sa->rmpp_flags |= (uint8_t) 0x70;	/* RRespTime of 14 (high 5 bits) */
1175 			p_sa->rmpp_status = 0;
1176 			paylen = p_madw->mad_size - IB_SA_MAD_HDR_SIZE;
1177 			paylen += (IB_SA_MAD_HDR_SIZE - MAD_RMPP_HDR_SIZE);
1178 			p_sa->paylen_newwin = cl_ntoh32(paylen);
1179 		}
1180 #endif
1181 	}
1182 
1183 Resp:
1184 	if (resp_expected)
1185 		put_madw(p_vend, p_madw, p_mad->trans_id, p_mad->mgmt_class);
1186 
1187 #ifdef VENDOR_RMPP_SUPPORT
1188 	sent_mad_size = p_madw->mad_size;
1189 #else
1190 	sent_mad_size = is_rmpp ? p_madw->mad_size - IB_SA_MAD_HDR_SIZE :
1191 	    p_madw->mad_size;
1192 #endif
1193 	tid = cl_ntoh64(p_mad->trans_id);
1194 	if ((ret = umad_send(p_bind->port_id, p_bind->agent_id, p_vw->umad,
1195 			     sent_mad_size,
1196 			     resp_expected ? p_bind->timeout : 0,
1197 			     p_bind->max_retries)) < 0) {
1198 		OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5430: "
1199 			"Send p_madw = %p of size %d, Class 0x%x, Method 0x%X, "
1200 			"Attr 0x%X, TID 0x%" PRIx64 " failed %d (%m)\n",
1201 			p_madw, sent_mad_size, p_mad->mgmt_class,
1202 			p_mad->method, cl_ntoh16(p_mad->attr_id), tid, ret);
1203 		if (resp_expected) {
1204 			get_madw(p_vend, &p_mad->trans_id,
1205 				 p_mad->mgmt_class);	/* remove from aging table */
1206 			p_madw->status = IB_ERROR;
1207 			pthread_mutex_lock(&p_vend->cb_mutex);
1208 			(*p_bind->send_err_callback) (p_bind->client_context, p_madw);	/* cb frees madw */
1209 			pthread_mutex_unlock(&p_vend->cb_mutex);
1210 		} else
1211 			osm_mad_pool_put(p_bind->p_mad_pool, p_madw);
1212 		goto Exit;
1213 	}
1214 
1215 	if (!resp_expected)
1216 		osm_mad_pool_put(p_bind->p_mad_pool, p_madw);
1217 
1218 	OSM_LOG(p_vend->p_log, OSM_LOG_DEBUG, "Completed sending %s TID 0x%" PRIx64 "\n",
1219 		resp_expected ? "request" : "response or unsolicited", tid);
1220 Exit:
1221 	OSM_LOG_EXIT(p_vend->p_log);
1222 	return (ret);
1223 }
1224 
1225 ib_api_status_t osm_vendor_local_lid_change(IN osm_bind_handle_t h_bind)
1226 {
1227 	osm_umad_bind_info_t *p_bind = (osm_umad_bind_info_t *) h_bind;
1228 	osm_vendor_t *p_vend = p_bind->p_vend;
1229 
1230 	OSM_LOG_ENTER(p_vend->p_log);
1231 	;
1232 	OSM_LOG_EXIT(p_vend->p_log);
1233 	return (0);
1234 }
1235 
1236 void osm_vendor_set_sm(IN osm_bind_handle_t h_bind, IN boolean_t is_sm_val)
1237 {
1238 	osm_umad_bind_info_t *p_bind = (osm_umad_bind_info_t *) h_bind;
1239 	osm_vendor_t *p_vend = p_bind->p_vend;
1240 
1241 	OSM_LOG_ENTER(p_vend->p_log);
1242 	if (TRUE == is_sm_val) {
1243 		p_vend->issmfd = open(p_vend->issm_path, O_NONBLOCK);
1244 		if (p_vend->issmfd < 0) {
1245 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5431: "
1246 				"setting IS_SM capmask: cannot open file "
1247 				"\'%s\': %s\n",
1248 				p_vend->issm_path, strerror(errno));
1249 			p_vend->issmfd = -1;
1250 		}
1251 	} else if (p_vend->issmfd != -1) {
1252 		if (0 != close(p_vend->issmfd))
1253 			OSM_LOG(p_vend->p_log, OSM_LOG_ERROR, "ERR 5432: "
1254 				"clearing IS_SM capmask: cannot close: %s\n",
1255 				strerror(errno));
1256 		p_vend->issmfd = -1;
1257 	}
1258 	OSM_LOG_EXIT(p_vend->p_log);
1259 }
1260 
1261 void osm_vendor_set_debug(IN osm_vendor_t * const p_vend, IN int32_t level)
1262 {
1263 	umad_debug(level);
1264 }
1265 
1266 #endif				/* OSM_VENDOR_INTF_OPENIB */
1267