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 
24 const 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  */
29 int 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  */
35 u16 usnic_transport_rsrv_port(enum usnic_transport_type type, u16 port_num);
36 void 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  */
42 struct socket *usnic_transport_get_socket(int sock_fd);
43 void usnic_transport_put_socket(struct socket *sock);
44 /*
45  * Call usnic_transport_get_socket before calling *_sock_get_addr
46  */
47 int usnic_transport_sock_get_addr(struct socket *sock, int *proto,
48 					uint32_t *addr, uint16_t *port);
49 int usnic_transport_init(void);
50 void usnic_transport_fini(void);
51 #endif /* !USNIC_TRANSPORT_H */
52