+++ /dev/null
-/*
- * Copyright (c) 2005 Network Appliance, Inc. All rights reserved.
- * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef IW_CM_H
-#define IW_CM_H
-
-#include <linux/in.h>
-#include <rdma/ib_cm.h>
-
-struct iw_cm_id;
-
-enum iw_cm_event_type {
- IW_CM_EVENT_CONNECT_REQUEST = 1, /* connect request received */
- IW_CM_EVENT_CONNECT_REPLY, /* reply from active connect request */
- IW_CM_EVENT_ESTABLISHED, /* passive side accept successful */
- IW_CM_EVENT_DISCONNECT, /* orderly shutdown */
- IW_CM_EVENT_CLOSE /* close complete */
-};
-
-enum iw_cm_event_status {
- IW_CM_EVENT_STATUS_OK = 0, /* request successful */
- IW_CM_EVENT_STATUS_ACCEPTED = 0, /* connect request accepted */
- IW_CM_EVENT_STATUS_REJECTED, /* connect request rejected */
- IW_CM_EVENT_STATUS_TIMEOUT, /* the operation timed out */
- IW_CM_EVENT_STATUS_RESET, /* reset from remote peer */
- IW_CM_EVENT_STATUS_EINVAL, /* asynchronous failure for bad parm */
-};
-
-struct iw_cm_event {
- enum iw_cm_event_type event;
- enum iw_cm_event_status status;
- struct sockaddr_in local_addr;
- struct sockaddr_in remote_addr;
- void *private_data;
- u8 private_data_len;
- void *provider_data;
-};
-
-/**
- * iw_cm_handler - Function to be called by the IW CM when delivering events
- * to the client.
- *
- * @cm_id: The IW CM identifier associated with the event.
- * @event: Pointer to the event structure.
- */
-typedef int (*iw_cm_handler)(struct iw_cm_id *cm_id,
- struct iw_cm_event *event);
-
-/**
- * iw_event_handler - Function called by the provider when delivering provider
- * events to the IW CM. Returns either 0 indicating the event was processed
- * or -errno if the event could not be processed.
- *
- * @cm_id: The IW CM identifier associated with the event.
- * @event: Pointer to the event structure.
- */
-typedef int (*iw_event_handler)(struct iw_cm_id *cm_id,
- struct iw_cm_event *event);
-
-struct iw_cm_id {
- iw_cm_handler cm_handler; /* client callback function */
- void *context; /* client cb context */
- struct ib_device *device;
- struct sockaddr_in local_addr;
- struct sockaddr_in remote_addr;
- void *provider_data; /* provider private data */
- iw_event_handler event_handler; /* cb for provider
- events */
- /* Used by provider to add and remove refs on IW cm_id */
- void (*add_ref)(struct iw_cm_id *);
- void (*rem_ref)(struct iw_cm_id *);
-};
-
-struct iw_cm_conn_param {
- const void *private_data;
- u16 private_data_len;
- u32 ord;
- u32 ird;
- u32 qpn;
-};
-
-struct iw_cm_verbs {
- void (*add_ref)(struct ib_qp *qp);
-
- void (*rem_ref)(struct ib_qp *qp);
-
- struct ib_qp * (*get_qp)(struct ib_device *device,
- int qpn);
-
- int (*connect)(struct iw_cm_id *cm_id,
- struct iw_cm_conn_param *conn_param);
-
- int (*accept)(struct iw_cm_id *cm_id,
- struct iw_cm_conn_param *conn_param);
-
- int (*reject)(struct iw_cm_id *cm_id,
- const void *pdata, u8 pdata_len);
-
- int (*create_listen)(struct iw_cm_id *cm_id,
- int backlog);
-
- int (*destroy_listen)(struct iw_cm_id *cm_id);
-};
-
-/**
- * iw_create_cm_id - Create an IW CM identifier.
- *
- * @device: The IB device on which to create the IW CM identier.
- * @event_handler: User callback invoked to report events associated with the
- * returned IW CM identifier.
- * @context: User specified context associated with the id.
- */
-struct iw_cm_id *iw_create_cm_id(struct ib_device *device,
- iw_cm_handler cm_handler, void *context);
-
-/**
- * iw_destroy_cm_id - Destroy an IW CM identifier.
- *
- * @cm_id: The previously created IW CM identifier to destroy.
- *
- * The client can assume that no events will be delivered for the CM ID after
- * this function returns.
- */
-void iw_destroy_cm_id(struct iw_cm_id *cm_id);
-
-/**
- * iw_cm_bind_qp - Unbind the specified IW CM identifier and QP
- *
- * @cm_id: The IW CM idenfier to unbind from the QP.
- * @qp: The QP
- *
- * This is called by the provider when destroying the QP to ensure
- * that any references held by the IWCM are released. It may also
- * be called by the IWCM when destroying a CM_ID to that any
- * references held by the provider are released.
- */
-void iw_cm_unbind_qp(struct iw_cm_id *cm_id, struct ib_qp *qp);
-
-/**
- * iw_cm_get_qp - Return the ib_qp associated with a QPN
- *
- * @ib_device: The IB device
- * @qpn: The queue pair number
- */
-struct ib_qp *iw_cm_get_qp(struct ib_device *device, int qpn);
-
-/**
- * iw_cm_listen - Listen for incoming connection requests on the
- * specified IW CM id.
- *
- * @cm_id: The IW CM identifier.
- * @backlog: The maximum number of outstanding un-accepted inbound listen
- * requests to queue.
- *
- * The source address and port number are specified in the IW CM identifier
- * structure.
- */
-int iw_cm_listen(struct iw_cm_id *cm_id, int backlog);
-
-/**
- * iw_cm_accept - Called to accept an incoming connect request.
- *
- * @cm_id: The IW CM identifier associated with the connection request.
- * @iw_param: Pointer to a structure containing connection establishment
- * parameters.
- *
- * The specified cm_id will have been provided in the event data for a
- * CONNECT_REQUEST event. Subsequent events related to this connection will be
- * delivered to the specified IW CM identifier prior and may occur prior to
- * the return of this function. If this function returns a non-zero value, the
- * client can assume that no events will be delivered to the specified IW CM
- * identifier.
- */
-int iw_cm_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param);
-
-/**
- * iw_cm_reject - Reject an incoming connection request.
- *
- * @cm_id: Connection identifier associated with the request.
- * @private_daa: Pointer to data to deliver to the remote peer as part of the
- * reject message.
- * @private_data_len: The number of bytes in the private_data parameter.
- *
- * The client can assume that no events will be delivered to the specified IW
- * CM identifier following the return of this function. The private_data
- * buffer is available for reuse when this function returns.
- */
-int iw_cm_reject(struct iw_cm_id *cm_id, const void *private_data,
- u8 private_data_len);
-
-/**
- * iw_cm_connect - Called to request a connection to a remote peer.
- *
- * @cm_id: The IW CM identifier for the connection.
- * @iw_param: Pointer to a structure containing connection establishment
- * parameters.
- *
- * Events may be delivered to the specified IW CM identifier prior to the
- * return of this function. If this function returns a non-zero value, the
- * client can assume that no events will be delivered to the specified IW CM
- * identifier.
- */
-int iw_cm_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param);
-
-/**
- * iw_cm_disconnect - Close the specified connection.
- *
- * @cm_id: The IW CM identifier to close.
- * @abrupt: If 0, the connection will be closed gracefully, otherwise, the
- * connection will be reset.
- *
- * The IW CM identifier is still active until the IW_CM_EVENT_CLOSE event is
- * delivered.
- */
-int iw_cm_disconnect(struct iw_cm_id *cm_id, int abrupt);
-
-/**
- * iw_cm_init_qp_attr - Called to initialize the attributes of the QP
- * associated with a IW CM identifier.
- *
- * @cm_id: The IW CM identifier associated with the QP
- * @qp_attr: Pointer to the QP attributes structure.
- * @qp_attr_mask: Pointer to a bit vector specifying which QP attributes are
- * valid.
- */
-int iw_cm_init_qp_attr(struct iw_cm_id *cm_id, struct ib_qp_attr *qp_attr,
- int *qp_attr_mask);
-
-#endif /* IW_CM_H */
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