xref: /openbmc/linux/drivers/infiniband/core/iwcm.h (revision 60dff56d)
1 /*
2  * Copyright (c) 2005 Network Appliance, Inc. All rights reserved.
3  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33 #ifndef IWCM_H
34 #define IWCM_H
35 
36 enum iw_cm_state {
37 	IW_CM_STATE_IDLE,             /* unbound, inactive */
38 	IW_CM_STATE_LISTEN,           /* listen waiting for connect */
39 	IW_CM_STATE_CONN_RECV,        /* inbound waiting for user accept */
40 	IW_CM_STATE_CONN_SENT,        /* outbound waiting for peer accept */
41 	IW_CM_STATE_ESTABLISHED,      /* established */
42 	IW_CM_STATE_CLOSING,	      /* disconnect */
43 	IW_CM_STATE_DESTROYING        /* object being deleted */
44 };
45 
46 struct iwcm_id_private {
47 	struct iw_cm_id	id;
48 	enum iw_cm_state state;
49 	unsigned long flags;
50 	struct ib_qp *qp;
51 	struct completion destroy_comp;
52 	wait_queue_head_t connect_wait;
53 	struct list_head work_list;
54 	spinlock_t lock;
55 	refcount_t refcount;
56 	struct list_head work_free_list;
57 };
58 
59 #define IWCM_F_DROP_EVENTS	  1
60 #define IWCM_F_CONNECT_WAIT       2
61 
62 #endif /* IWCM_H */
63