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_cr_reject.c
34 *
35 * PURPOSE: Connection management
36 * Description: Interfaces in this file are completely described in
37 *		the DAPL 1.1 API, Chapter 6, section 4
38 *
39 * $Id: dapl_cr_reject.c,v 1.10 2003/08/18 12:00:25 sjs2 Exp $
40 */
41
42#include "dapl.h"
43#include "dapl_cr_util.h"
44#include "dapl_sp_util.h"
45#include "dapl_adapter_util.h"
46
47/*
48 * dapl_cr_reject
49 *
50 * DAPL Requirements Version xxx, 6.4.2.2
51 *
52 * Reject a connection request from the active remote side requesting
53 * an Endpoint.
54 *
55 * Input:
56 *	cr_handle
57 *
58 * Output:
59 *	none
60 *
61 * Returns:
62 *	DAT_SUCCESS
63 *	DAT_INVALID_PARAMETER
64 */
65
66DAT_RETURN
67dapl_cr_reject(
68	IN DAT_CR_HANDLE cr_handle)
69{
70	DAPL_CR *cr_ptr;
71	DAPL_EP *ep_ptr;
72	DAT_EP_STATE entry_ep_state;
73	DAT_EP_HANDLE entry_ep_handle;
74	DAPL_SP	*sp_ptr;
75	DAT_RETURN dat_status;
76
77	dapl_dbg_log(DAPL_DBG_TYPE_API, "dapl_cr_reject (%p)\n", cr_handle);
78
79	if (DAPL_BAD_HANDLE(cr_handle, DAPL_MAGIC_CR)) {
80		dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
81		    DAT_INVALID_HANDLE_CR);
82		goto bail;
83	}
84
85	cr_ptr = (DAPL_CR *)cr_handle;
86
87	/*
88	 * Clean up provider created EP if there is one: only if
89	 * DAT_PSP_PROVIDER_FLAG was set on the PSP
90	 */
91	ep_ptr = (DAPL_EP *)cr_ptr->param.local_ep_handle;
92	entry_ep_handle = cr_ptr->param.local_ep_handle;
93	entry_ep_state  = 0;
94	if (ep_ptr != NULL) {
95		entry_ep_state = ep_ptr->param.ep_state;
96		ep_ptr->param.ep_state = DAT_EP_STATE_UNCONNECTED;
97		cr_ptr->param.local_ep_handle = NULL;
98	}
99
100	dat_status =  dapls_ib_reject_connection(cr_ptr->ib_cm_handle,
101	    IB_CM_REJ_REASON_CONSUMER_REJ, cr_ptr->sp_ptr);
102
103	if (dat_status != DAT_SUCCESS) {
104		if (ep_ptr != NULL) {
105			/* Revert our state to the beginning */
106			ep_ptr->param.ep_state = entry_ep_state;
107			cr_ptr->param.local_ep_handle = entry_ep_handle;
108			cr_ptr->param.local_ep_handle = (DAT_EP_HANDLE)ep_ptr;
109		}
110	} else {
111		/*
112		 * If this EP has been allocated by the provider, clean it up;
113		 * see DAT 1.1 spec, page 100, lines 3-4 (section 6.4.3.1.1.1).
114		 * RSP and user-provided EPs are in the control of the user.
115		 */
116		sp_ptr = cr_ptr->sp_ptr;
117		if (ep_ptr != NULL &&
118		    sp_ptr->psp_flags == DAT_PSP_PROVIDER_FLAG) {
119			(void) dapl_ep_free(ep_ptr);
120		}
121		/* Remove the CR from the queue, then free it */
122		dapl_sp_remove_cr(cr_ptr->sp_ptr, cr_ptr);
123		dapls_cr_free(cr_ptr);
124	}
125
126bail:
127	return (dat_status);
128}
129