1/*
2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
3 *
4 * This program is free software; you may redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
15 * SOFTWARE.
16 *
17 */
18
19#ifndef USNIC_TRANSPORT_H_
20#define USNIC_TRANSPORT_H_
21
22#include "usnic_abi.h"
23
24const char *usnic_transport_to_str(enum usnic_transport_type trans_type);
25/*
26 * Returns number of bytes written, excluding null terminator. If
27 * nothing was written, the function returns 0.
28 */
29int usnic_transport_sock_to_str(char *buf, int buf_sz,
30					struct socket *sock);
31/*
32 * Reserve a port. If "port_num" is set, then the function will try
33 * to reserve that particular port.
34 */
35u16 usnic_transport_rsrv_port(enum usnic_transport_type type, u16 port_num);
36void usnic_transport_unrsrv_port(enum usnic_transport_type type, u16 port_num);
37/*
38 * Do a fget on the socket refered to by sock_fd and returns the socket.
39 * Socket will not be destroyed before usnic_transport_put_socket has
40 * been called.
41 */
42struct socket *usnic_transport_get_socket(int sock_fd);
43void usnic_transport_put_socket(struct socket *sock);
44/*
45 * Call usnic_transport_get_socket before calling *_sock_get_addr
46 */
47int usnic_transport_sock_get_addr(struct socket *sock, int *proto,
48					uint32_t *addr, uint16_t *port);
49int usnic_transport_init(void);
50void usnic_transport_fini(void);
51#endif /* !USNIC_TRANSPORT_H */
52