xref: /freebsd-10.3-release/contrib/ofed/management/libibmad/src/vendor.c

/*
 * Copyright (c) 2004,2005 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 <string.h>
#include <pthread.h>
#include <sys/time.h>

#include <mad.h>
#include <infiniband/common.h>

#undef DEBUG
#define DEBUG 	if (ibdebug)	IBWARN

static inline int
response_expected(int method)
{
	return method == IB_MAD_METHOD_GET ||
		method == IB_MAD_METHOD_SET ||
		method == IB_MAD_METHOD_TRAP;
}

uint8_t *
ib_vendor_call(void *data, ib_portid_t *portid, ib_vendor_call_t *call)
{
	ib_rpc_t rpc = {0};
	int range1 = 0, resp_expected;

	DEBUG("route %s data %p", portid2str(portid), data);
	if (portid->lid <= 0)
		return 0;	/* no direct SMI */

	if (!(range1 = mad_is_vendor_range1(call->mgmt_class)) &&
	    !(mad_is_vendor_range2(call->mgmt_class)))
		return 0;

	resp_expected = response_expected(call->method);

	rpc.mgtclass = call->mgmt_class;

	rpc.method = call->method;
	rpc.attr.id = call->attrid;
	rpc.attr.mod = call->mod;
	rpc.timeout = resp_expected ? call->timeout : 0;
	rpc.datasz = range1 ? IB_VENDOR_RANGE1_DATA_SIZE : IB_VENDOR_RANGE2_DATA_SIZE;
	rpc.dataoffs = range1 ? IB_VENDOR_RANGE1_DATA_OFFS : IB_VENDOR_RANGE2_DATA_OFFS;

	if (!range1)
		rpc.oui = call->oui;

	DEBUG("class 0x%x method 0x%x attr 0x%x mod 0x%x datasz %d off %d res_ex %d",
		rpc.mgtclass, rpc.method, rpc.attr.id, rpc.attr.mod,
		rpc.datasz, rpc.dataoffs, resp_expected);

	portid->qp = 1;
	if (!portid->qkey)
		portid->qkey = IB_DEFAULT_QP1_QKEY;

	if (resp_expected)
		return madrpc_rmpp(&rpc, portid, 0, data);		/* FIXME: no RMPP for now */

	return mad_send(&rpc, portid, 0, data) < 0 ? 0 : data;		/* FIXME: no RMPP for now */
}