xref: /titanic_50/usr/src/lib/udapl/udapl_tavor/common/dapl_ep_dup_connect.c (revision 9e39c5ba00a55fa05777cc94b148296af305e135)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
24  */
25 
26 /*
27  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 /*
32  *
33  * MODULE: dapl_ep_dup_connect.c
34  *
35  * PURPOSE: Endpoint management
36  * Description: Interfaces in this file are completely described in
37  *		the DAPL 1.1 API, Chapter 6, section 5
38  *
39  * $Id: dapl_ep_dup_connect.c,v 1.8 2003/06/16 17:53:32 sjs2 Exp $
40  */
41 
42 #include "dapl.h"
43 #include "dapl_ep_util.h"
44 #include "dapl_adapter_util.h"
45 
46 /*
47  * dapl_ep_dup_connect
48  *
49  * DAPL Requirements Version xxx, 6.5.8
50  *
51  * Requst that a connection be established between the local Endpoint
52  * and a remote Endpoint. The remote Endpoint is identified by the
53  * dup_ep.
54  *
55  * Input:
56  *	ep_handle
57  *	ep_dup_handle
58  *	conn_qual
59  *	timeout
60  *	private_data_size
61  *	private_data
62  *	qos
63  *
64  * Output:
65  *	none
66  *
67  * Returns:
68  *	DAT_SUCCESS
69  *	DAT_INSUFFICIENT_RESOURCES
70  *	DAT_INVALID_PARAMETER
71  *	DAT_INVALID_STATE
72  *	DAT_MODEL_NOT_SUPPORTED
73  */
74 
75 DAT_RETURN
dapl_ep_dup_connect(IN DAT_EP_HANDLE ep_handle,IN DAT_EP_HANDLE ep_dup_handle,IN DAT_TIMEOUT timeout,IN DAT_COUNT private_data_size,IN const DAT_PVOID private_data,IN DAT_QOS qos)76 dapl_ep_dup_connect(
77 	IN DAT_EP_HANDLE ep_handle,
78 	IN DAT_EP_HANDLE ep_dup_handle,
79 	IN DAT_TIMEOUT timeout,
80 	IN DAT_COUNT private_data_size,
81 	IN const DAT_PVOID private_data,
82 	IN DAT_QOS qos)
83 {
84 	DAPL_EP *ep_dup_ptr;
85 	DAT_RETURN dat_status;
86 	DAT_IA_ADDRESS_PTR remote_ia_address_ptr;
87 	DAT_CONN_QUAL remote_conn_qual;
88 
89 	ep_dup_ptr = (DAPL_EP *)ep_dup_handle;
90 
91 	/*
92 	 * Verify the dup handle, which must be connected. All other
93 	 * parameters will be verified by dapl_ep_connect
94 	 */
95 	if (DAPL_BAD_HANDLE(ep_dup_handle, DAPL_MAGIC_EP)) {
96 		dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
97 		    DAT_INVALID_HANDLE_EP);
98 		goto bail;
99 	}
100 	/*
101 	 * Check both the EP state and the QP state: if we don't have a QP
102 	 *  there is a problem.  Do this under a lock and pull out
103 	 * the connection parameters for atomicity.
104 	 */
105 	dapl_os_lock(&ep_dup_ptr->header.lock);
106 	if (ep_dup_ptr->param.ep_state != DAT_EP_STATE_CONNECTED) {
107 		dapl_os_unlock(&ep_dup_ptr->header.lock);
108 		dat_status = DAT_ERROR(DAT_INVALID_STATE,
109 		    dapls_ep_state_subtype(ep_dup_ptr));
110 		goto bail;
111 	}
112 	remote_ia_address_ptr = ep_dup_ptr->param.remote_ia_address_ptr;
113 	remote_conn_qual = ep_dup_ptr->param.remote_port_qual;
114 	dapl_os_unlock(&ep_dup_ptr->header.lock);
115 
116 	dat_status = dapl_ep_connect(ep_handle,
117 	    remote_ia_address_ptr, remote_conn_qual, timeout,
118 	    private_data_size, private_data, qos,
119 	    DAT_CONNECT_DEFAULT_FLAG);
120 
121 bail:
122 	return (dat_status);
123 }
124