linux/drivers/infiniband/core/iwcm.h
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   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
  36enum 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
  46struct 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