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/*
* Copyright (c) 2004-2007 Voltaire Inc. 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.
*
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <string.h>
#include <sys/time.h>
#include <mad.h>
#include <infiniband/common.h>
#undef DEBUG
#define DEBUG if (ibdebug) IBWARN
uint8_t *
sa_rpc_call(const void *ibmad_port, void *rcvbuf, ib_portid_t *portid,
ib_sa_call_t *sa, unsigned timeout)
{
ib_rpc_t rpc = {0};
uint8_t *p;
DEBUG("attr 0x%x mod 0x%x route %s", sa->attrid, sa->mod,
portid2str(portid));
if (portid->lid <= 0) {
IBWARN("only lid routes are supported");
return 0;
}
rpc.mgtclass = IB_SA_CLASS;
rpc.method = sa->method;
rpc.attr.id = sa->attrid;
rpc.attr.mod = sa->mod;
rpc.mask = sa->mask;
rpc.timeout = timeout;
rpc.datasz = IB_SA_DATA_SIZE;
rpc.dataoffs = IB_SA_DATA_OFFS;
rpc.trid = sa->trid;
portid->qp = 1;
if (!portid->qkey)
portid->qkey = IB_DEFAULT_QP1_QKEY;
p = mad_rpc_rmpp(ibmad_port, &rpc, portid, 0/*&sa->rmpp*/, rcvbuf); /* TODO: RMPP */
sa->recsz = rpc.recsz;
return p;
}
/* PathRecord */
#define IB_PR_COMPMASK_DGID (1ull<<2)
#define IB_PR_COMPMASK_SGID (1ull<<3)
#define IB_PR_COMPMASK_DLID (1ull<<4)
#define IB_PR_COMPMASK_SLID (1ull<<5)
#define IB_PR_COMPMASK_RAWTRAFIC (1ull<<6)
#define IB_PR_COMPMASK_RESV0 (1ull<<7)
#define IB_PR_COMPMASK_FLOWLABEL (1ull<<8)
#define IB_PR_COMPMASK_HOPLIMIT (1ull<<9)
#define IB_PR_COMPMASK_TCLASS (1ull<<10)
#define IB_PR_COMPMASK_REVERSIBLE (1ull<<11)
#define IB_PR_COMPMASK_NUMBPATH (1ull<<12)
#define IB_PR_COMPMASK_PKEY (1ull<<13)
#define IB_PR_COMPMASK_RESV1 (1ull<<14)
#define IB_PR_COMPMASK_SL (1ull<<15)
#define IB_PR_COMPMASK_MTUSELEC (1ull<<16)
#define IB_PR_COMPMASK_MTU (1ull<<17)
#define IB_PR_COMPMASK_RATESELEC (1ull<<18)
#define IB_PR_COMPMASK_RATE (1ull<<19)
#define IB_PR_COMPMASK_PKTLIFETIMESELEC (1ull<<20)
#define IB_PR_COMPMASK_PKTLIFETIME (1ull<<21)
#define IB_PR_COMPMASK_PREFERENCE (1ull<<22)
#define IB_PR_DEF_MASK (IB_PR_COMPMASK_DGID |\
IB_PR_COMPMASK_SGID |\
IB_PR_COMPMASK_NUMBPATH)
int
ib_path_query_via(const void *srcport, ibmad_gid_t srcgid, ibmad_gid_t destgid, ib_portid_t *sm_id, void *buf)
{
int npath;
ib_sa_call_t sa = {0};
uint8_t *p;
int dlid;
npath = 1; /* only MAD_METHOD_GET is supported */
memset(&sa, 0, sizeof sa);
sa.method = IB_MAD_METHOD_GET;
sa.attrid = IB_SA_ATTR_PATHRECORD;
sa.mask = IB_PR_DEF_MASK;
sa.trid = mad_trid();
memset(buf, 0, IB_SA_PR_RECSZ);
mad_encode_field(buf, IB_SA_PR_NPATH_F, &npath);
mad_encode_field(buf, IB_SA_PR_DGID_F, destgid);
mad_encode_field(buf, IB_SA_PR_SGID_F, srcgid);
if (srcport) {
p = sa_rpc_call (srcport, buf, sm_id, &sa, 0);
} else {
p = safe_sa_call(buf, sm_id, &sa, 0);
}
if (!p) {
IBWARN("sa call path_query failed");
return -1;
}
mad_decode_field(p, IB_SA_PR_DLID_F, &dlid);
return dlid;
}
int
ib_path_query(ibmad_gid_t srcgid, ibmad_gid_t destgid, ib_portid_t *sm_id, void *buf)
{
return ib_path_query_via (NULL, srcgid, destgid, sm_id, buf);
}
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