Release 4.7 drivers/infiniband/hw/usnic/usnic_transport.h
/*
* Copyright (c) 2013, Cisco Systems, 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
* 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 USNIC_TRANSPORT_H_
#define USNIC_TRANSPORT_H_
#include "usnic_abi.h"
const char *usnic_transport_to_str(enum usnic_transport_type trans_type);
/*
* Returns number of bytes written, excluding null terminator. If
* nothing was written, the function returns 0.
*/
int usnic_transport_sock_to_str(char *buf, int buf_sz,
struct socket *sock);
/*
* Reserve a port. If "port_num" is set, then the function will try
* to reserve that particular port.
*/
u16 usnic_transport_rsrv_port(enum usnic_transport_type type, u16 port_num);
void usnic_transport_unrsrv_port(enum usnic_transport_type type, u16 port_num);
/*
* Do a fget on the socket refered to by sock_fd and returns the socket.
* Socket will not be destroyed before usnic_transport_put_socket has
* been called.
*/
struct socket *usnic_transport_get_socket(int sock_fd);
void usnic_transport_put_socket(struct socket *sock);
/*
* Call usnic_transport_get_socket before calling *_sock_get_addr
*/
int usnic_transport_sock_get_addr(struct socket *sock, int *proto,
uint32_t *addr, uint16_t *port);
int usnic_transport_init(void);
void usnic_transport_fini(void);
#endif /* !USNIC_TRANSPORT_H */
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