1 /*
2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2011 Mellanox Technologies LTD. All rights reserved.
4  * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5  * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
6  *
7  * This software is available to you under a choice of one of two
8  * licenses.  You may choose to be licensed under the terms of the GNU
9  * General Public License (GPL) Version 2, available from the file
10  * COPYING in the main directory of this source tree, or the
11  * OpenIB.org BSD license below:
12  *
13  *     Redistribution and use in source and binary forms, with or
14  *     without modification, are permitted provided that the following
15  *     conditions are met:
16  *
17  *      - Redistributions of source code must retain the above
18  *        copyright notice, this list of conditions and the following
19  *        disclaimer.
20  *
21  *      - Redistributions in binary form must reproduce the above
22  *        copyright notice, this list of conditions and the following
23  *        disclaimer in the documentation and/or other materials
24  *        provided with the distribution.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33  * SOFTWARE.
34  *
35  */
36 
37 /*
38  * Abstract:
39  *    Implementation of osm_pir_rcv_t.
40  * This object represents the PortInfoRecord Receiver object.
41  * This object is part of the opensm family of objects.
42  */
43 
44 #if HAVE_CONFIG_H
45 #  include <config.h>
46 #endif				/* HAVE_CONFIG_H */
47 
48 #include <string.h>
49 #include <iba/ib_types.h>
50 #include <complib/cl_qmap.h>
51 #include <complib/cl_passivelock.h>
52 #include <complib/cl_debug.h>
53 #include <complib/cl_qlist.h>
54 #include <opensm/osm_file_ids.h>
55 #define FILE_ID OSM_FILE_SA_PORTINFO_RECORD_C
56 #include <vendor/osm_vendor_api.h>
57 #include <opensm/osm_port.h>
58 #include <opensm/osm_node.h>
59 #include <opensm/osm_switch.h>
60 #include <opensm/osm_helper.h>
61 #include <opensm/osm_pkey.h>
62 #include <opensm/osm_sa.h>
63 
64 #define SA_PIR_RESP_SIZE SA_ITEM_RESP_SIZE(port_rec)
65 
66 typedef struct osm_pir_search_ctxt {
67 	const ib_portinfo_record_t *p_rcvd_rec;
68 	ib_net64_t comp_mask;
69 	cl_qlist_t *p_list;
70 	osm_sa_t *sa;
71 	const osm_physp_t *p_req_physp;
72 	boolean_t is_enhanced_comp_mask;
73 } osm_pir_search_ctxt_t;
74 
75 static ib_api_status_t pir_rcv_new_pir(IN osm_sa_t * sa,
76 				       IN const osm_physp_t * p_physp,
77 				       IN osm_pir_search_ctxt_t * p_ctxt,
78 				       IN ib_net16_t const lid)
79 {
80 	osm_sa_item_t *p_rec_item;
81 	ib_port_info_t *p_pi;
82 	osm_physp_t *p_physp0;
83 	ib_api_status_t status = IB_SUCCESS;
84 
85 	OSM_LOG_ENTER(sa->p_log);
86 
87 	p_rec_item = malloc(SA_PIR_RESP_SIZE);
88 	if (p_rec_item == NULL) {
89 		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2102: "
90 			"rec_item alloc failed\n");
91 		status = IB_INSUFFICIENT_RESOURCES;
92 		goto Exit;
93 	}
94 
95 	OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
96 		"New PortInfoRecord: port 0x%016" PRIx64
97 		", lid %u, port %u\n",
98 		cl_ntoh64(osm_physp_get_port_guid(p_physp)),
99 		cl_ntoh16(lid), osm_physp_get_port_num(p_physp));
100 
101 	memset(p_rec_item, 0, SA_PIR_RESP_SIZE);
102 
103 	p_rec_item->resp.port_rec.lid = lid;
104 	p_rec_item->resp.port_rec.port_info = p_physp->port_info;
105 	if (p_ctxt->comp_mask & IB_PIR_COMPMASK_OPTIONS)
106 		p_rec_item->resp.port_rec.options = p_ctxt->p_rcvd_rec->options;
107 	if ((p_ctxt->comp_mask & IB_PIR_COMPMASK_OPTIONS) == 0 ||
108 	    (p_ctxt->p_rcvd_rec->options & 0x80) == 0) {
109 		/* Does requested port have an extended link speed active ? */
110 		if (osm_node_get_type(p_physp->p_node) ==
111 		    IB_NODE_TYPE_SWITCH) {
112 			p_physp0 = osm_node_get_physp_ptr(p_physp->p_node, 0);
113 			p_pi = &p_physp0->port_info;
114 		} else
115 			p_pi = (ib_port_info_t *) &p_physp->port_info;
116 		if ((p_pi->capability_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) {
117 			if (ib_port_info_get_link_speed_ext_active(&p_physp->port_info)) {
118 				/* Add QDR bits to original link speed components */
119 				p_pi = &p_rec_item->resp.port_rec.port_info;
120 				ib_port_info_set_link_speed_enabled(p_pi,
121 								    ib_port_info_get_link_speed_enabled(p_pi) | IB_LINK_SPEED_ACTIVE_10);
122 				p_pi->state_info1 =
123 				    (uint8_t) ((p_pi->state_info1 & IB_PORT_STATE_MASK) |
124 					       (ib_port_info_get_link_speed_sup(p_pi) | IB_LINK_SPEED_ACTIVE_10) << IB_PORT_LINK_SPEED_SHIFT);
125 				p_pi->link_speed =
126 				    (uint8_t) ((p_pi->link_speed & IB_PORT_LINK_SPEED_ENABLED_MASK) |
127 					       (ib_port_info_get_link_speed_active(p_pi) | IB_LINK_SPEED_ACTIVE_10) << IB_PORT_LINK_SPEED_SHIFT);
128 			}
129 		}
130 	}
131 	p_rec_item->resp.port_rec.port_num = osm_physp_get_port_num(p_physp);
132 
133 	cl_qlist_insert_tail(p_ctxt->p_list, &p_rec_item->list_item);
134 
135 Exit:
136 	OSM_LOG_EXIT(sa->p_log);
137 	return status;
138 }
139 
140 static void sa_pir_create(IN osm_sa_t * sa, IN const osm_physp_t * p_physp,
141 			  IN osm_pir_search_ctxt_t * p_ctxt)
142 {
143 	uint8_t lmc;
144 	uint16_t max_lid_ho;
145 	uint16_t base_lid_ho;
146 	uint16_t match_lid_ho;
147 	osm_physp_t *p_node_physp;
148 
149 	OSM_LOG_ENTER(sa->p_log);
150 
151 	if (p_physp->p_node->sw) {
152 		p_node_physp = osm_node_get_physp_ptr(p_physp->p_node, 0);
153 		base_lid_ho = cl_ntoh16(osm_physp_get_base_lid(p_node_physp));
154 		lmc =
155 		    osm_switch_sp0_is_lmc_capable(p_physp->p_node->sw,
156 						  sa->p_subn) ?
157 		    osm_physp_get_lmc(p_node_physp) : 0;
158 	} else {
159 		lmc = osm_physp_get_lmc(p_physp);
160 		base_lid_ho = cl_ntoh16(osm_physp_get_base_lid(p_physp));
161 	}
162 	max_lid_ho = (uint16_t) (base_lid_ho + (1 << lmc) - 1);
163 
164 	if (p_ctxt->comp_mask & IB_PIR_COMPMASK_LID) {
165 		match_lid_ho = cl_ntoh16(p_ctxt->p_rcvd_rec->lid);
166 
167 		/*
168 		   We validate that the lid belongs to this node.
169 		 */
170 		OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
171 			"Comparing LID: %u <= %u <= %u\n",
172 			base_lid_ho, match_lid_ho, max_lid_ho);
173 
174 		if (match_lid_ho < base_lid_ho || match_lid_ho > max_lid_ho)
175 			goto Exit;
176 	}
177 
178 	pir_rcv_new_pir(sa, p_physp, p_ctxt, cl_hton16(base_lid_ho));
179 
180 Exit:
181 	OSM_LOG_EXIT(sa->p_log);
182 }
183 
184 static void sa_pir_check_physp(IN osm_sa_t * sa, IN const osm_physp_t * p_physp,
185 			       osm_pir_search_ctxt_t * p_ctxt)
186 {
187 	const ib_portinfo_record_t *p_rcvd_rec;
188 	ib_net64_t comp_mask;
189 	const ib_port_info_t *p_comp_pi;
190 	const ib_port_info_t *p_pi;
191 	const osm_physp_t * p_physp0;
192 	ib_net32_t cap_mask;
193 
194 	OSM_LOG_ENTER(sa->p_log);
195 
196 	p_rcvd_rec = p_ctxt->p_rcvd_rec;
197 	comp_mask = p_ctxt->comp_mask;
198 	p_comp_pi = &p_rcvd_rec->port_info;
199 	p_pi = &p_physp->port_info;
200 
201 	osm_dump_port_info_v2(sa->p_log, osm_node_get_node_guid(p_physp->p_node),
202 			      p_physp->port_guid, p_physp->port_num,
203 			      &p_physp->port_info, FILE_ID, OSM_LOG_DEBUG);
204 
205 	/* We have to re-check the base_lid, since if the given
206 	   base_lid in p_pi is zero - we are comparing on all ports. */
207 	if (comp_mask & IB_PIR_COMPMASK_BASELID) {
208 		if (p_comp_pi->base_lid != p_pi->base_lid)
209 			goto Exit;
210 	}
211 	if (comp_mask & IB_PIR_COMPMASK_MKEY) {
212 		if (p_comp_pi->m_key != p_pi->m_key)
213 			goto Exit;
214 	}
215 	if (comp_mask & IB_PIR_COMPMASK_GIDPRE) {
216 		if (p_comp_pi->subnet_prefix != p_pi->subnet_prefix)
217 			goto Exit;
218 	}
219 	if (comp_mask & IB_PIR_COMPMASK_SMLID) {
220 		if (p_comp_pi->master_sm_base_lid != p_pi->master_sm_base_lid)
221 			goto Exit;
222 	}
223 
224 	/* IBTA 1.2 errata provides support for bitwise compare if the bit 31
225 	   of the attribute modifier of the Get/GetTable is set */
226 	if (comp_mask & IB_PIR_COMPMASK_CAPMASK) {
227 		if (p_ctxt->is_enhanced_comp_mask) {
228 			if ((p_comp_pi->capability_mask & p_pi->
229 			     capability_mask) != p_comp_pi->capability_mask)
230 				goto Exit;
231 		} else {
232 			if (p_comp_pi->capability_mask != p_pi->capability_mask)
233 				goto Exit;
234 		}
235 	}
236 
237 	if (comp_mask & IB_PIR_COMPMASK_DIAGCODE) {
238 		if (p_comp_pi->diag_code != p_pi->diag_code)
239 			goto Exit;
240 	}
241 	if (comp_mask & IB_PIR_COMPMASK_MKEYLEASEPRD) {
242 		if (p_comp_pi->m_key_lease_period != p_pi->m_key_lease_period)
243 			goto Exit;
244 	}
245 	if (comp_mask & IB_PIR_COMPMASK_LOCALPORTNUM) {
246 		if (p_comp_pi->local_port_num != p_pi->local_port_num)
247 			goto Exit;
248 	}
249 	if (comp_mask & IB_PIR_COMPMASK_LNKWIDTHSUPPORT) {
250 		if (p_comp_pi->link_width_supported !=
251 		    p_pi->link_width_supported)
252 			goto Exit;
253 	}
254 	if (comp_mask & IB_PIR_COMPMASK_LNKWIDTHACTIVE) {
255 		if (p_comp_pi->link_width_active != p_pi->link_width_active)
256 			goto Exit;
257 	}
258 	if (comp_mask & IB_PIR_COMPMASK_LINKWIDTHENABLED) {
259 		if (p_comp_pi->link_width_enabled != p_pi->link_width_enabled)
260 			goto Exit;
261 	}
262 	if (comp_mask & IB_PIR_COMPMASK_LNKSPEEDSUPPORT) {
263 		if (ib_port_info_get_link_speed_sup(p_comp_pi) !=
264 		    ib_port_info_get_link_speed_sup(p_pi))
265 			goto Exit;
266 	}
267 	if (comp_mask & IB_PIR_COMPMASK_PORTSTATE) {
268 		if (ib_port_info_get_port_state(p_comp_pi) !=
269 		    ib_port_info_get_port_state(p_pi))
270 			goto Exit;
271 	}
272 	if (comp_mask & IB_PIR_COMPMASK_PORTPHYSTATE) {
273 		if (ib_port_info_get_port_phys_state(p_comp_pi) !=
274 		    ib_port_info_get_port_phys_state(p_pi))
275 			goto Exit;
276 	}
277 	if (comp_mask & IB_PIR_COMPMASK_LINKDWNDFLTSTATE) {
278 		if (ib_port_info_get_link_down_def_state(p_comp_pi) !=
279 		    ib_port_info_get_link_down_def_state(p_pi))
280 			goto Exit;
281 	}
282 	if (comp_mask & IB_PIR_COMPMASK_MKEYPROTBITS) {
283 		if (ib_port_info_get_mpb(p_comp_pi) !=
284 		    ib_port_info_get_mpb(p_pi))
285 			goto Exit;
286 	}
287 	if (comp_mask & IB_PIR_COMPMASK_LMC) {
288 		if (ib_port_info_get_lmc(p_comp_pi) !=
289 		    ib_port_info_get_lmc(p_pi))
290 			goto Exit;
291 	}
292 	if (comp_mask & IB_PIR_COMPMASK_LINKSPEEDACTIVE) {
293 		if (ib_port_info_get_link_speed_active(p_comp_pi) !=
294 		    ib_port_info_get_link_speed_active(p_pi))
295 			goto Exit;
296 	}
297 	if (comp_mask & IB_PIR_COMPMASK_LINKSPEEDENABLE) {
298 		if (ib_port_info_get_link_speed_enabled(p_comp_pi) !=
299 		    ib_port_info_get_link_speed_enabled(p_pi))
300 			goto Exit;
301 	}
302 	if (comp_mask & IB_PIR_COMPMASK_NEIGHBORMTU) {
303 		if (ib_port_info_get_neighbor_mtu(p_comp_pi) !=
304 		    ib_port_info_get_neighbor_mtu(p_pi))
305 			goto Exit;
306 	}
307 	if (comp_mask & IB_PIR_COMPMASK_MASTERSMSL) {
308 		if (ib_port_info_get_master_smsl(p_comp_pi) !=
309 		    ib_port_info_get_master_smsl(p_pi))
310 			goto Exit;
311 	}
312 	if (comp_mask & IB_PIR_COMPMASK_VLCAP) {
313 		if (ib_port_info_get_vl_cap(p_comp_pi) !=
314 		    ib_port_info_get_vl_cap(p_pi))
315 			goto Exit;
316 	}
317 	if (comp_mask & IB_PIR_COMPMASK_INITTYPE) {
318 		if (ib_port_info_get_init_type(p_comp_pi) !=
319 		    ib_port_info_get_init_type(p_pi))
320 			goto Exit;
321 	}
322 	if (comp_mask & IB_PIR_COMPMASK_VLHIGHLIMIT) {
323 		if (p_comp_pi->vl_high_limit != p_pi->vl_high_limit)
324 			goto Exit;
325 	}
326 	if (comp_mask & IB_PIR_COMPMASK_VLARBHIGHCAP) {
327 		if (p_comp_pi->vl_arb_high_cap != p_pi->vl_arb_high_cap)
328 			goto Exit;
329 	}
330 	if (comp_mask & IB_PIR_COMPMASK_VLARBLOWCAP) {
331 		if (p_comp_pi->vl_arb_low_cap != p_pi->vl_arb_low_cap)
332 			goto Exit;
333 	}
334 	if (comp_mask & IB_PIR_COMPMASK_MTUCAP) {
335 		if (ib_port_info_get_mtu_cap(p_comp_pi) !=
336 		    ib_port_info_get_mtu_cap(p_pi))
337 			goto Exit;
338 	}
339 	if (comp_mask & IB_PIR_COMPMASK_VLSTALLCNT) {
340 		if (ib_port_info_get_vl_stall_count(p_comp_pi) !=
341 		    ib_port_info_get_vl_stall_count(p_pi))
342 			goto Exit;
343 	}
344 	if (comp_mask & IB_PIR_COMPMASK_HOQLIFE) {
345 		if ((p_comp_pi->vl_stall_life & 0x1F) !=
346 		    (p_pi->vl_stall_life & 0x1F))
347 			goto Exit;
348 	}
349 	if (comp_mask & IB_PIR_COMPMASK_OPVLS) {
350 		if ((p_comp_pi->vl_enforce & 0xF0) != (p_pi->vl_enforce & 0xF0))
351 			goto Exit;
352 	}
353 	if (comp_mask & IB_PIR_COMPMASK_PARENFIN) {
354 		if ((p_comp_pi->vl_enforce & 0x08) != (p_pi->vl_enforce & 0x08))
355 			goto Exit;
356 	}
357 	if (comp_mask & IB_PIR_COMPMASK_PARENFOUT) {
358 		if ((p_comp_pi->vl_enforce & 0x04) != (p_pi->vl_enforce & 0x04))
359 			goto Exit;
360 	}
361 	if (comp_mask & IB_PIR_COMPMASK_FILTERRAWIN) {
362 		if ((p_comp_pi->vl_enforce & 0x02) != (p_pi->vl_enforce & 0x02))
363 			goto Exit;
364 	}
365 	if (comp_mask & IB_PIR_COMPMASK_FILTERRAWOUT) {
366 		if ((p_comp_pi->vl_enforce & 0x01) != (p_pi->vl_enforce & 0x01))
367 			goto Exit;
368 	}
369 	if (comp_mask & IB_PIR_COMPMASK_MKEYVIO) {
370 		if (p_comp_pi->m_key_violations != p_pi->m_key_violations)
371 			goto Exit;
372 	}
373 	if (comp_mask & IB_PIR_COMPMASK_PKEYVIO) {
374 		if (p_comp_pi->p_key_violations != p_pi->p_key_violations)
375 			goto Exit;
376 	}
377 	if (comp_mask & IB_PIR_COMPMASK_QKEYVIO) {
378 		if (p_comp_pi->q_key_violations != p_pi->q_key_violations)
379 			goto Exit;
380 	}
381 	if (comp_mask & IB_PIR_COMPMASK_GUIDCAP) {
382 		if (p_comp_pi->guid_cap != p_pi->guid_cap)
383 			goto Exit;
384 	}
385 	if (comp_mask & IB_PIR_COMPMASK_SUBNTO) {
386 		if (ib_port_info_get_timeout(p_comp_pi) !=
387 		    ib_port_info_get_timeout(p_pi))
388 			goto Exit;
389 	}
390 	if (comp_mask & IB_PIR_COMPMASK_RESPTIME) {
391 		if ((p_comp_pi->resp_time_value & 0x1F) !=
392 		    (p_pi->resp_time_value & 0x1F))
393 			goto Exit;
394 	}
395 	if (comp_mask & IB_PIR_COMPMASK_LOCALPHYERR) {
396 		if (ib_port_info_get_local_phy_err_thd(p_comp_pi) !=
397 		    ib_port_info_get_local_phy_err_thd(p_pi))
398 			goto Exit;
399 	}
400 	if (comp_mask & IB_PIR_COMPMASK_OVERRUNERR) {
401 		if (ib_port_info_get_overrun_err_thd(p_comp_pi) !=
402 		    ib_port_info_get_overrun_err_thd(p_pi))
403 			goto Exit;
404 	}
405 
406 	/* IBTA 1.2 errata provides support for bitwise compare if the bit 31
407 	   of the attribute modifier of the Get/GetTable is set */
408 	if (comp_mask & IB_PIR_COMPMASK_CAPMASK2) {
409 		if (p_ctxt->is_enhanced_comp_mask) {
410 			if ((cl_ntoh16(p_comp_pi->capability_mask2) &
411 			     cl_ntoh16(p_pi->capability_mask2)) !=
412 			     cl_ntoh16(p_comp_pi->capability_mask2))
413 				goto Exit;
414 		} else {
415 			if (cl_ntoh16(p_comp_pi->capability_mask2) !=
416 			    cl_ntoh16(p_pi->capability_mask2))
417 				goto Exit;
418 		}
419 	}
420 	if (osm_node_get_type(p_physp->p_node) == IB_NODE_TYPE_SWITCH) {
421 		p_physp0 = osm_node_get_physp_ptr(p_physp->p_node, 0);
422 		cap_mask = p_physp0->port_info.capability_mask;
423 	} else
424 		cap_mask = p_pi->capability_mask;
425 	if (comp_mask & IB_PIR_COMPMASK_LINKSPDEXTACT) {
426 		if (((cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) &&
427 		    (ib_port_info_get_link_speed_ext_active(p_comp_pi) !=
428 		     ib_port_info_get_link_speed_ext_active(p_pi)))
429 			goto Exit;
430 	}
431 	if (comp_mask & IB_PIR_COMPMASK_LINKSPDEXTSUPP) {
432 		if (((cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) &&
433 		    (ib_port_info_get_link_speed_ext_sup(p_comp_pi) !=
434 		     ib_port_info_get_link_speed_ext_sup(p_pi)))
435 			goto Exit;
436 	}
437 	if (comp_mask & IB_PIR_COMPMASK_LINKSPDEXTENAB) {
438 		if (((cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) > 0) &&
439 		    (ib_port_info_get_link_speed_ext_enabled(p_comp_pi) !=
440 		     ib_port_info_get_link_speed_ext_enabled(p_pi)))
441 			goto Exit;
442 	}
443 	sa_pir_create(sa, p_physp, p_ctxt);
444 
445 Exit:
446 	OSM_LOG_EXIT(sa->p_log);
447 }
448 
449 static void sa_pir_by_comp_mask(IN osm_sa_t * sa, IN osm_node_t * p_node,
450 				osm_pir_search_ctxt_t * p_ctxt)
451 {
452 	const ib_portinfo_record_t *p_rcvd_rec;
453 	ib_net64_t comp_mask;
454 	const osm_physp_t *p_physp;
455 	uint8_t port_num;
456 	uint8_t num_ports;
457 	const osm_physp_t *p_req_physp;
458 
459 	OSM_LOG_ENTER(sa->p_log);
460 
461 	p_rcvd_rec = p_ctxt->p_rcvd_rec;
462 	comp_mask = p_ctxt->comp_mask;
463 	p_req_physp = p_ctxt->p_req_physp;
464 
465 	num_ports = osm_node_get_num_physp(p_node);
466 
467 	if (comp_mask & IB_PIR_COMPMASK_PORTNUM) {
468 		if (p_rcvd_rec->port_num < num_ports) {
469 			p_physp =
470 			    osm_node_get_physp_ptr(p_node,
471 						   p_rcvd_rec->port_num);
472 			/* Check that the p_physp is valid, and that the
473 			   p_physp and the p_req_physp share a pkey. */
474 			if (p_physp &&
475 			    osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp,
476 						 sa->p_subn->opt.allow_both_pkeys))
477 				sa_pir_check_physp(sa, p_physp, p_ctxt);
478 		}
479 	} else {
480 		for (port_num = 0; port_num < num_ports; port_num++) {
481 			p_physp = osm_node_get_physp_ptr(p_node, port_num);
482 			if (!p_physp)
483 				continue;
484 
485 			/* if the requester and the p_physp don't share a pkey -
486 			   continue */
487 			if (!osm_physp_share_pkey(sa->p_log, p_req_physp, p_physp,
488 						  sa->p_subn->opt.allow_both_pkeys))
489 				continue;
490 
491 			sa_pir_check_physp(sa, p_physp, p_ctxt);
492 		}
493 	}
494 
495 	OSM_LOG_EXIT(sa->p_log);
496 }
497 
498 static void sa_pir_by_comp_mask_cb(IN cl_map_item_t * p_map_item, IN void *cxt)
499 {
500 	osm_node_t *p_node = (osm_node_t *) p_map_item;
501 	osm_pir_search_ctxt_t *p_ctxt = cxt;
502 
503 	sa_pir_by_comp_mask(p_ctxt->sa, p_node, p_ctxt);
504 }
505 
506 void osm_pir_rcv_process(IN void *ctx, IN void *data)
507 {
508 	osm_sa_t *sa = ctx;
509 	osm_madw_t *p_madw = data;
510 	const ib_sa_mad_t *p_rcvd_mad;
511 	const ib_portinfo_record_t *p_rcvd_rec;
512 	const osm_port_t *p_port = NULL;
513 	cl_qlist_t rec_list;
514 	osm_pir_search_ctxt_t context;
515 	ib_net64_t comp_mask;
516 	osm_physp_t *p_req_physp;
517 
518 	CL_ASSERT(sa);
519 
520 	OSM_LOG_ENTER(sa->p_log);
521 
522 	CL_ASSERT(p_madw);
523 
524 	p_rcvd_mad = osm_madw_get_sa_mad_ptr(p_madw);
525 	p_rcvd_rec =
526 	    (ib_portinfo_record_t *) ib_sa_mad_get_payload_ptr(p_rcvd_mad);
527 	comp_mask = p_rcvd_mad->comp_mask;
528 
529 	CL_ASSERT(p_rcvd_mad->attr_id == IB_MAD_ATTR_PORTINFO_RECORD);
530 
531 	/* we only support SubnAdmGet and SubnAdmGetTable methods */
532 	if (p_rcvd_mad->method != IB_MAD_METHOD_GET &&
533 	    p_rcvd_mad->method != IB_MAD_METHOD_GETTABLE) {
534 		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2105: "
535 			"Unsupported Method (%s) for PortInfoRecord request\n",
536 			ib_get_sa_method_str(p_rcvd_mad->method));
537 		osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
538 		goto Exit;
539 	}
540 
541 	cl_plock_acquire(sa->p_lock);
542 
543 	/* update the requester physical port */
544 	p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
545 						osm_madw_get_mad_addr_ptr
546 						(p_madw));
547 	if (p_req_physp == NULL) {
548 		cl_plock_release(sa->p_lock);
549 		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2104: "
550 			"Cannot find requester physical port\n");
551 		goto Exit;
552 	}
553 
554 	if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
555 		OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
556 			"Requester port GUID 0x%" PRIx64 "\n",
557 			cl_ntoh64(osm_physp_get_port_guid(p_req_physp)));
558 		osm_dump_portinfo_record_v2(sa->p_log, p_rcvd_rec, FILE_ID, OSM_LOG_DEBUG);
559 	}
560 
561 	cl_qlist_init(&rec_list);
562 
563 	context.p_rcvd_rec = p_rcvd_rec;
564 	context.p_list = &rec_list;
565 	context.comp_mask = p_rcvd_mad->comp_mask;
566 	context.sa = sa;
567 	context.p_req_physp = p_req_physp;
568 	context.is_enhanced_comp_mask =
569 	    cl_ntoh32(p_rcvd_mad->attr_mod) & (1 << 31);
570 
571 	/*
572 	   If the user specified a LID, it obviously narrows our
573 	   work load, since we don't have to search every port
574 	 */
575 	if (comp_mask & (IB_PIR_COMPMASK_LID | IB_PIR_COMPMASK_BASELID)) {
576 		p_port = osm_get_port_by_lid(sa->p_subn, p_rcvd_rec->lid);
577 		if (p_port)
578 			sa_pir_by_comp_mask(sa, p_port->p_node, &context);
579 		else
580 			OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2109: "
581 				"No port found with requested LID %u\n",
582 				cl_ntoh16(p_rcvd_rec->lid));
583 	} else
584 		cl_qmap_apply_func(&sa->p_subn->node_guid_tbl,
585 				   sa_pir_by_comp_mask_cb, &context);
586 
587 	cl_plock_release(sa->p_lock);
588 
589 	/*
590 	   p922 - The M_Key returned shall be zero, except in the case of a
591 	   trusted request.
592 	   Note: In the mad controller we check that the SM_Key received on
593 	   the mad is valid. Meaning - is either zero or equal to the local
594 	   sm_key.
595 	 */
596 	if (!p_rcvd_mad->sm_key) {
597 		osm_sa_item_t *item;
598 		for (item = (osm_sa_item_t *) cl_qlist_head(&rec_list);
599 		     item != (osm_sa_item_t *) cl_qlist_end(&rec_list);
600 		     item = (osm_sa_item_t *) cl_qlist_next(&item->list_item))
601 			item->resp.port_rec.port_info.m_key = 0;
602 	}
603 
604 	osm_sa_respond(sa, p_madw, sizeof(ib_portinfo_record_t), &rec_list);
605 
606 Exit:
607 	OSM_LOG_EXIT(sa->p_log);
608 }
609