root/usr/src/lib/udapl/udapl_tavor/common/dapl_ep_query.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 *
 * MODULE: dapl_ep_query.c
 *
 * PURPOSE: Endpoint management
 * Description: Interfaces in this file are completely described in
 *              the DAPL 1.1 API, Chapter 6, section 5
 *
 * $Id: dapl_ep_query.c,v 1.8 2003/08/20 13:22:05 sjs2 Exp $
 */

#include "dapl.h"
#include "dapl_adapter_util.h"

/*
 * dapl_ep_query
 *
 * DAPL Requirements Version xxx, 6.5.5
 *
 * Provide the consumer parameters, including attributes and status of
 * the Endpoint.
 *
 * Input:
 *      ep_handle
 *      ep_param_mask
 *
 * Output:
 *      ep_param
 *
 * Returns:
 *      DAT_SUCCESS
 *      DAT_INVALID_PARAMETER
 */
DAT_RETURN
dapl_ep_query(
        IN DAT_EP_HANDLE ep_handle,
        IN DAT_EP_PARAM_MASK ep_param_mask,
        OUT DAT_EP_PARAM *ep_param)
{
        DAPL_EP *ep_ptr;
        DAT_RETURN dat_status;

        dapl_dbg_log(DAPL_DBG_TYPE_API, "dapl_ep_query (%p, %x, %p)\n",
            ep_handle, ep_param_mask, ep_param);

        dat_status = DAT_SUCCESS;
        ep_ptr = (DAPL_EP *) ep_handle;

        /*
         * Verify parameter & state
         */
        if (DAPL_BAD_HANDLE(ep_ptr, DAPL_MAGIC_EP)) {
                dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
                    DAT_INVALID_HANDLE_EP);
                goto bail;
        }

        if (ep_param == NULL) {
                dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
                goto bail;
        }

        /*
         * Fill in according to user request
         *
         * N.B. Just slam all values into the user structure, there
         * is nothing to be gained by checking for each bit.
         */
        if (ep_param_mask & DAT_EP_FIELD_ALL) {
                if (ep_ptr->param.ep_state == DAT_EP_STATE_CONNECTED) {
                        /* obtain the remote IP address */
                        dat_status = dapls_ib_cm_remote_addr(
                            (DAT_HANDLE)ep_handle, NULL,
                            &ep_ptr->remote_ia_address);
                }
                *ep_param = ep_ptr->param;
        }

bail:
        return (dat_status);
}