1/*
2 * Copyright (c) 2004-2008 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 *
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 */
35
36#if HAVE_CONFIG_H
37#  include <config.h>
38#endif				/* HAVE_CONFIG_H */
39
40#include <string.h>
41#include <iba/ib_types.h>
42#include <complib/cl_passivelock.h>
43#include <complib/cl_debug.h>
44#include <opensm/osm_madw.h>
45#include <opensm/osm_log.h>
46#include <opensm/osm_node.h>
47#include <opensm/osm_subnet.h>
48#include <opensm/osm_helper.h>
49#include <opensm/osm_sm.h>
50
51/**********************************************************************
52 **********************************************************************/
53/*
54 * WE MIGHT ONLY RECEIVE GET or SET responses
55 */
56void osm_pkey_rcv_process(IN void *context, IN void *data)
57{
58	osm_sm_t *sm = context;
59	osm_madw_t *p_madw = data;
60	ib_pkey_table_t *p_pkey_tbl;
61	ib_smp_t *p_smp;
62	osm_port_t *p_port;
63	osm_physp_t *p_physp;
64	osm_node_t *p_node;
65	osm_pkey_context_t *p_context;
66	ib_net64_t port_guid;
67	ib_net64_t node_guid;
68	uint8_t port_num;
69	uint16_t block_num;
70
71	CL_ASSERT(sm);
72
73	OSM_LOG_ENTER(sm->p_log);
74
75	CL_ASSERT(p_madw);
76
77	p_smp = osm_madw_get_smp_ptr(p_madw);
78
79	p_context = osm_madw_get_pkey_context_ptr(p_madw);
80	p_pkey_tbl = (ib_pkey_table_t *) ib_smp_get_payload_ptr(p_smp);
81
82	port_guid = p_context->port_guid;
83	node_guid = p_context->node_guid;
84
85	CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_P_KEY_TABLE);
86
87	cl_plock_excl_acquire(sm->p_lock);
88	p_port = osm_get_port_by_guid(sm->p_subn, port_guid);
89	if (!p_port) {
90		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 4806: "
91			"No port object for port with GUID 0x%" PRIx64
92			"\n\t\t\t\tfor parent node GUID 0x%" PRIx64
93			", TID 0x%" PRIx64 "\n",
94			cl_ntoh64(port_guid),
95			cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
96		goto Exit;
97	}
98
99	p_node = p_port->p_node;
100	CL_ASSERT(p_node);
101
102	block_num = (uint16_t) ((cl_ntoh32(p_smp->attr_mod)) & 0x0000FFFF);
103	/* in case of a non switch node the attr modifier should be ignored */
104	if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) {
105		port_num =
106		    (uint8_t) (((cl_ntoh32(p_smp->attr_mod)) & 0x00FF0000) >>
107			       16);
108		p_physp = osm_node_get_physp_ptr(p_node, port_num);
109	} else {
110		p_physp = p_port->p_physp;
111		port_num = p_physp->port_num;
112	}
113
114	/*
115	   We do not mind if this is a result of a set or get - all we want is to
116	   update the subnet.
117	 */
118	OSM_LOG(sm->p_log, OSM_LOG_VERBOSE,
119		"Got GetResp(PKey) block:%u port_num %u with GUID 0x%"
120		PRIx64 " for parent node GUID 0x%" PRIx64 ", TID 0x%"
121		PRIx64 "\n", block_num, port_num, cl_ntoh64(port_guid),
122		cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id));
123
124	/*
125	   Determine if we encountered a new Physical Port.
126	   If so, ignore it.
127	 */
128	if (!p_physp) {
129		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 4807: "
130			"Got invalid port number %u\n", port_num);
131		goto Exit;
132	}
133
134	osm_dump_pkey_block(sm->p_log,
135			    port_guid, block_num,
136			    port_num, p_pkey_tbl, OSM_LOG_DEBUG);
137
138	osm_physp_set_pkey_tbl(sm->p_log, sm->p_subn,
139			       p_physp, p_pkey_tbl, block_num);
140
141Exit:
142	cl_plock_release(sm->p_lock);
143
144	OSM_LOG_EXIT(sm->p_log);
145}
146