/*
* Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
*
* 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.
*
*/
/*
* Abstract:
* Implementation of osm_smir_rcv_t.
* This object represents the SMInfo Receiver object.
* This object is part of the opensm family of objects.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <string.h>
#include <iba/ib_types.h>
#include <complib/cl_qmap.h>
#include <complib/cl_passivelock.h>
#include <complib/cl_debug.h>
#include <complib/cl_qlist.h>
#include <opensm/osm_file_ids.h>
#define FILE_ID OSM_FILE_SA_SMINFO_RECORD_C
#include <vendor/osm_vendor_api.h>
#include <opensm/osm_madw.h>
#include <opensm/osm_log.h>
#include <opensm/osm_subnet.h>
#include <opensm/osm_mad_pool.h>
#include <opensm/osm_helper.h>
#include <opensm/osm_msgdef.h>
#include <opensm/osm_port.h>
#include <opensm/osm_pkey.h>
#include <opensm/osm_remote_sm.h>
#include <opensm/osm_sa.h>
#include <opensm/osm_opensm.h>
#define SA_SMIR_RESP_SIZE SA_ITEM_RESP_SIZE(sminfo_rec)
typedef struct osm_smir_search_ctxt {
const ib_sminfo_record_t *p_rcvd_rec;
ib_net64_t comp_mask;
cl_qlist_t *p_list;
osm_sa_t *sa;
const osm_physp_t *p_req_physp;
} osm_smir_search_ctxt_t;
static ib_api_status_t smir_rcv_new_smir(IN osm_sa_t * sa,
IN const osm_port_t * p_port,
IN cl_qlist_t * p_list,
IN ib_net64_t const guid,
IN ib_net32_t const act_count,
IN uint8_t const pri_state,
IN const osm_physp_t * p_req_physp)
{
osm_sa_item_t *p_rec_item;
ib_api_status_t status = IB_SUCCESS;
OSM_LOG_ENTER(sa->p_log);
p_rec_item = malloc(SA_SMIR_RESP_SIZE);
if (p_rec_item == NULL) {
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2801: "
"rec_item alloc failed\n");
status = IB_INSUFFICIENT_RESOURCES;
goto Exit;
}
OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
"New SMInfo: GUID 0x%016" PRIx64 "\n", cl_ntoh64(guid));
memset(p_rec_item, 0, SA_SMIR_RESP_SIZE);
p_rec_item->resp.sminfo_rec.lid = osm_port_get_base_lid(p_port);
p_rec_item->resp.sminfo_rec.sm_info.guid = guid;
p_rec_item->resp.sminfo_rec.sm_info.act_count = act_count;
p_rec_item->resp.sminfo_rec.sm_info.pri_state = pri_state;
cl_qlist_insert_tail(p_list, &p_rec_item->list_item);
Exit:
OSM_LOG_EXIT(sa->p_log);
return status;
}
static void sa_smir_by_comp_mask(IN osm_sa_t * sa,
IN const osm_remote_sm_t * p_rem_sm,
osm_smir_search_ctxt_t * p_ctxt)
{
const ib_sminfo_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec;
const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp;
ib_net64_t const comp_mask = p_ctxt->comp_mask;
osm_port_t *p_port;
OSM_LOG_ENTER(sa->p_log);
if (comp_mask & IB_SMIR_COMPMASK_GUID) {
if (p_rem_sm->smi.guid != p_rcvd_rec->sm_info.guid)
goto Exit;
}
if (comp_mask & IB_SMIR_COMPMASK_PRIORITY) {
if (ib_sminfo_get_priority(&p_rem_sm->smi) !=
ib_sminfo_get_priority(&p_rcvd_rec->sm_info))
goto Exit;
}
if (comp_mask & IB_SMIR_COMPMASK_SMSTATE) {
if (ib_sminfo_get_state(&p_rem_sm->smi) !=
ib_sminfo_get_state(&p_rcvd_rec->sm_info))
goto Exit;
}
/* Implement any other needed search cases */
p_port = osm_get_port_by_guid(sa->p_subn, p_rem_sm->smi.guid);
if (p_port == NULL) {
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2810: "
"No port for remote sm\n");
goto Exit;
}
smir_rcv_new_smir(sa, p_port, p_ctxt->p_list,
p_rem_sm->smi.guid, p_rem_sm->smi.act_count,
p_rem_sm->smi.pri_state, p_req_physp);
Exit:
OSM_LOG_EXIT(sa->p_log);
}
static void sa_smir_by_comp_mask_cb(IN cl_map_item_t * p_map_item, IN void *cxt)
{
const osm_remote_sm_t *p_rem_sm = (osm_remote_sm_t *) p_map_item;
osm_smir_search_ctxt_t *p_ctxt = cxt;
sa_smir_by_comp_mask(p_ctxt->sa, p_rem_sm, p_ctxt);
}
void osm_smir_rcv_process(IN void *ctx, IN void *data)
{
osm_sa_t *sa = ctx;
osm_madw_t *p_madw = data;
const ib_sa_mad_t *sad_mad;
const ib_sminfo_record_t *p_rcvd_rec;
const osm_port_t *p_port = NULL;
const ib_sm_info_t *p_smi;
cl_qlist_t rec_list;
osm_smir_search_ctxt_t context;
ib_api_status_t status = IB_SUCCESS;
ib_net64_t comp_mask;
ib_net64_t port_guid;
osm_physp_t *p_req_physp;
osm_port_t *local_port;
osm_remote_sm_t *p_rem_sm;
cl_qmap_t *p_sm_guid_tbl;
uint8_t pri_state;
CL_ASSERT(sa);
OSM_LOG_ENTER(sa->p_log);
CL_ASSERT(p_madw);
sad_mad = osm_madw_get_sa_mad_ptr(p_madw);
p_rcvd_rec = (ib_sminfo_record_t *) ib_sa_mad_get_payload_ptr(sad_mad);
comp_mask = sad_mad->comp_mask;
CL_ASSERT(sad_mad->attr_id == IB_MAD_ATTR_SMINFO_RECORD);
/* we only support SubnAdmGet and SubnAdmGetTable methods */
if (sad_mad->method != IB_MAD_METHOD_GET &&
sad_mad->method != IB_MAD_METHOD_GETTABLE) {
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2804: "
"Unsupported Method (%s) for SMInfoRecord request\n",
ib_get_sa_method_str(sad_mad->method));
osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR);
goto Exit;
}
cl_plock_acquire(sa->p_lock);
/* update the requester physical port */
p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn,
osm_madw_get_mad_addr_ptr
(p_madw));
if (p_req_physp == NULL) {
cl_plock_release(sa->p_lock);
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2803: "
"Cannot find requester physical port\n");
goto Exit;
}
if (OSM_LOG_IS_ACTIVE_V2(sa->p_log, OSM_LOG_DEBUG)) {
OSM_LOG(sa->p_log, OSM_LOG_DEBUG,
"Requester port GUID 0x%" PRIx64 "\n",
cl_ntoh64(osm_physp_get_port_guid(p_req_physp)));
osm_dump_sm_info_record_v2(sa->p_log, p_rcvd_rec, FILE_ID, OSM_LOG_DEBUG);
}
p_smi = &p_rcvd_rec->sm_info;
cl_qlist_init(&rec_list);
context.p_rcvd_rec = p_rcvd_rec;
context.p_list = &rec_list;
context.comp_mask = sad_mad->comp_mask;
context.sa = sa;
context.p_req_physp = p_req_physp;
/*
If the user specified a LID, it obviously narrows our
work load, since we don't have to search every port
*/
if (comp_mask & IB_SMIR_COMPMASK_LID) {
p_port = osm_get_port_by_lid(sa->p_subn, p_rcvd_rec->lid);
if (!p_port) {
status = IB_NOT_FOUND;
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2806: "
"No port found with LID %u\n",
cl_ntoh16(p_rcvd_rec->lid));
}
}
if (status == IB_SUCCESS) {
/* Handle our own SM first */
local_port = osm_get_port_by_guid(sa->p_subn,
sa->p_subn->sm_port_guid);
if (!local_port) {
cl_plock_release(sa->p_lock);
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2809: "
"No port found with GUID 0x%016" PRIx64 "\n",
cl_ntoh64(sa->p_subn->sm_port_guid));
goto Exit;
}
if (!p_port || local_port == p_port) {
if (FALSE ==
osm_physp_share_pkey(sa->p_log, p_req_physp,
local_port->p_physp,
sa->p_subn->opt.allow_both_pkeys)) {
cl_plock_release(sa->p_lock);
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2805: "
"Cannot get SMInfo record due to pkey violation\n");
goto Exit;
}
/* Check that other search components specified match */
if ((comp_mask & IB_SMIR_COMPMASK_GUID) &&
sa->p_subn->sm_port_guid != p_smi->guid)
goto Remotes;
if ((comp_mask & IB_SMIR_COMPMASK_PRIORITY) &&
sa->p_subn->opt.sm_priority !=
ib_sminfo_get_priority(p_smi))
goto Remotes;
if ((comp_mask & IB_SMIR_COMPMASK_SMSTATE) &&
sa->p_subn->sm_state != ib_sminfo_get_state(p_smi))
goto Remotes;
/* Now, add local SMInfo to list */
pri_state = sa->p_subn->sm_state & 0x0F;
pri_state |= (sa->p_subn->opt.sm_priority & 0x0F) << 4;
smir_rcv_new_smir(sa, local_port, context.p_list,
sa->p_subn->sm_port_guid,
cl_ntoh32(sa->p_subn->p_osm->stats.
qp0_mads_sent), pri_state,
p_req_physp);
}
Remotes:
if (p_port && p_port != local_port) {
/* Find remote SM corresponding to p_port */
port_guid = osm_port_get_guid(p_port);
p_sm_guid_tbl = &sa->p_subn->sm_guid_tbl;
p_rem_sm =
(osm_remote_sm_t *) cl_qmap_get(p_sm_guid_tbl,
port_guid);
if (p_rem_sm !=
(osm_remote_sm_t *) cl_qmap_end(p_sm_guid_tbl))
sa_smir_by_comp_mask(sa, p_rem_sm, &context);
else
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 280A: "
"No remote SM for GUID 0x%016" PRIx64
"\n", cl_ntoh64(port_guid));
} else if (!p_port) {
/* Go over all other known (remote) SMs */
cl_qmap_apply_func(&sa->p_subn->sm_guid_tbl,
sa_smir_by_comp_mask_cb, &context);
}
}
cl_plock_release(sa->p_lock);
osm_sa_respond(sa, p_madw, sizeof(ib_sminfo_record_t), &rec_list);
Exit:
OSM_LOG_EXIT(sa->p_log);
}