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/*
* Copyright (c) 2004-2009 Voltaire Inc. All rights reserved.
* Copyright (c) 2009 HNR Consulting. 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 <string.h>
#include <arpa/inet.h>
#include <errno.h>
#include <infiniband/umad.h>
#include <infiniband/mad.h>
#include "mad_internal.h"
#undef DEBUG
#define DEBUG if (ibdebug) IBWARN
int ib_resolve_smlid_via(ib_portid_t * sm_id, int timeout,
const struct ibmad_port *srcport)
{
umad_port_t port;
int ret;
memset(sm_id, 0, sizeof(*sm_id));
ret = umad_get_port(srcport->ca_name, srcport->portnum, &port);
if (ret)
return -1;
if (!IB_LID_VALID(port.sm_lid)) {
errno = ENXIO;
return -1;
}
sm_id->sl = port.sm_sl;
ret = ib_portid_set(sm_id, port.sm_lid, 0, 0);
umad_release_port(&port);
return ret;
}
int ib_resolve_smlid(ib_portid_t * sm_id, int timeout)
{
return ib_resolve_smlid_via(sm_id, timeout, ibmp);
}
int ib_resolve_gid_via(ib_portid_t * portid, ibmad_gid_t gid,
ib_portid_t * sm_id, int timeout,
const struct ibmad_port *srcport)
{
ib_portid_t sm_portid = { 0 };
char buf[IB_SA_DATA_SIZE] = { 0 };
if (!sm_id)
sm_id = &sm_portid;
if (!IB_LID_VALID(sm_id->lid)) {
if (ib_resolve_smlid_via(sm_id, timeout, srcport) < 0)
return -1;
}
if ((portid->lid =
ib_path_query_via(srcport, gid, gid, sm_id, buf)) < 0)
return -1;
return 0;
}
int ib_resolve_guid_via(ib_portid_t * portid, uint64_t * guid,
ib_portid_t * sm_id, int timeout,
const struct ibmad_port *srcport)
{
ib_portid_t sm_portid = { 0 };
uint8_t buf[IB_SA_DATA_SIZE] = { 0 };
uint64_t prefix;
ibmad_gid_t selfgid;
umad_port_t port;
if (!sm_id)
sm_id = &sm_portid;
if (!IB_LID_VALID(sm_id->lid)) {
if (ib_resolve_smlid_via(sm_id, timeout, srcport) < 0)
return -1;
}
if (umad_get_port(srcport->ca_name, srcport->portnum, &port))
return -1;
mad_set_field64(selfgid, 0, IB_GID_PREFIX_F, ntohll(port.gid_prefix));
mad_set_field64(selfgid, 0, IB_GID_GUID_F, ntohll(port.port_guid));
umad_release_port(&port);
memcpy(&prefix, portid->gid, sizeof(prefix));
if (!prefix)
mad_set_field64(portid->gid, 0, IB_GID_PREFIX_F,
IB_DEFAULT_SUBN_PREFIX);
if (guid)
mad_set_field64(portid->gid, 0, IB_GID_GUID_F, *guid);
if ((portid->lid =
ib_path_query_via(srcport, selfgid, portid->gid, sm_id, buf)) < 0)
return -1;
mad_decode_field(buf, IB_SA_PR_SL_F, &portid->sl);
return 0;
}
int ib_resolve_portid_str_via(ib_portid_t * portid, char *addr_str,
enum MAD_DEST dest_type, ib_portid_t * sm_id,
const struct ibmad_port *srcport)
{
ibmad_gid_t gid;
uint64_t guid;
int lid;
char *routepath;
ib_portid_t selfportid = { 0 };
int selfport = 0;
memset(portid, 0, sizeof *portid);
switch (dest_type) {
case IB_DEST_LID:
lid = strtol(addr_str, 0, 0);
if (!IB_LID_VALID(lid)) {
errno = EINVAL;
return -1;
}
return ib_portid_set(portid, lid, 0, 0);
case IB_DEST_DRPATH:
if (str2drpath(&portid->drpath, addr_str, 0, 0) < 0) {
errno = EINVAL;
return -1;
}
return 0;
case IB_DEST_GUID:
if (!(guid = strtoull(addr_str, 0, 0))) {
errno = EINVAL;
return -1;
}
/* keep guid in portid? */
return ib_resolve_guid_via(portid, &guid, sm_id, 0, srcport);
case IB_DEST_DRSLID:
lid = strtol(addr_str, &routepath, 0);
routepath++;
if (!IB_LID_VALID(lid)) {
errno = EINVAL;
return -1;
}
ib_portid_set(portid, lid, 0, 0);
/* handle DR parsing and set DrSLID to local lid */
if (ib_resolve_self_via(&selfportid, &selfport, 0, srcport) < 0)
return -1;
if (str2drpath(&portid->drpath, routepath, selfportid.lid, 0) <
0) {
errno = EINVAL;
return -1;
}
return 0;
case IB_DEST_GID:
if (inet_pton(AF_INET6, addr_str, &gid) <= 0)
return -1;
return ib_resolve_gid_via(portid, gid, sm_id, 0, srcport);
default:
IBWARN("bad dest_type %d", dest_type);
errno = EINVAL;
}
return -1;
}
int ib_resolve_portid_str(ib_portid_t * portid, char *addr_str,
enum MAD_DEST dest_type, ib_portid_t * sm_id)
{
return ib_resolve_portid_str_via(portid, addr_str, dest_type,
sm_id, ibmp);
}
int ib_resolve_self_via(ib_portid_t * portid, int *portnum, ibmad_gid_t * gid,
const struct ibmad_port *srcport)
{
ib_portid_t self = { 0 };
uint8_t portinfo[64];
uint8_t nodeinfo[64];
uint64_t guid, prefix;
if (!smp_query_via(nodeinfo, &self, IB_ATTR_NODE_INFO, 0, 0, srcport))
return -1;
if (!smp_query_via(portinfo, &self, IB_ATTR_PORT_INFO, 0, 0, srcport))
return -1;
mad_decode_field(portinfo, IB_PORT_LID_F, &portid->lid);
mad_decode_field(portinfo, IB_PORT_SMSL_F, &portid->sl);
mad_decode_field(portinfo, IB_PORT_GID_PREFIX_F, &prefix);
mad_decode_field(nodeinfo, IB_NODE_PORT_GUID_F, &guid);
if (portnum)
mad_decode_field(nodeinfo, IB_NODE_LOCAL_PORT_F, portnum);
if (gid) {
mad_encode_field(*gid, IB_GID_PREFIX_F, &prefix);
mad_encode_field(*gid, IB_GID_GUID_F, &guid);
}
return 0;
}
int ib_resolve_self(ib_portid_t * portid, int *portnum, ibmad_gid_t * gid)
{
return ib_resolve_self_via(portid, portnum, gid, ibmp);
}
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