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_reset.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 5.13
38 *
39 * $Id: dapl_ep_reset.c,v 1.6 2003/07/08 14:23:35 sjs2 Exp $
40 */
41
42 #include "dapl.h"
43 #include "dapl_ia_util.h"
44 #include "dapl_ep_util.h"
45 #include "dapl_adapter_util.h"
46 #include "dapl_ring_buffer_util.h"
47
48 /*
49 * dapl_ep_reset
50 *
51 * DAPL Requirements Version 1.1, 6.5.13
52 *
53 * Reset the QP attached to this Endpoint, transitioning back to the
54 * INIT state
55 *
56 * Input:
57 * ep_handle
58 *
59 * Output:
60 * none
61 *
62 * Returns:
63 * DAT_SUCCESS
64 * DAT_INVALID_PARAMETER
65 * DAT_INVALID_STATE
66 */
67 DAT_RETURN
dapl_ep_reset(IN DAT_EP_HANDLE ep_handle)68 dapl_ep_reset(
69 IN DAT_EP_HANDLE ep_handle)
70 {
71 DAPL_EP *ep_ptr;
72 DAT_RETURN dat_status;
73
74 dat_status = DAT_SUCCESS;
75
76 ep_ptr = (DAPL_EP *)ep_handle;
77
78 /*
79 * Verify parameter & state
80 */
81 if (DAPL_BAD_HANDLE(ep_ptr, DAPL_MAGIC_EP)) {
82 dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
83 DAT_INVALID_HANDLE_EP);
84 goto bail;
85 }
86
87 if (ep_ptr->param.ep_state != DAT_EP_STATE_UNCONNECTED &&
88 ep_ptr->param.ep_state != DAT_EP_STATE_DISCONNECTED) {
89 dat_status = DAT_ERROR(DAT_INVALID_STATE,
90 dapls_ep_state_subtype(ep_ptr));
91 goto bail;
92 }
93
94 if (ep_ptr->param.ep_state == DAT_EP_STATE_DISCONNECTED) {
95 dapls_ib_reinit_ep(ep_ptr);
96 ep_ptr->param.ep_state = DAT_EP_STATE_UNCONNECTED;
97 }
98
99 bail:
100 return (dat_status);
101 }
102