1 /* 2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 * 32 */ 33 34 #ifndef USNIC_TRANSPORT_H_ 35 #define USNIC_TRANSPORT_H_ 36 37 #include "usnic_abi.h" 38 39 const char *usnic_transport_to_str(enum usnic_transport_type trans_type); 40 /* 41 * Returns number of bytes written, excluding null terminator. If 42 * nothing was written, the function returns 0. 43 */ 44 int usnic_transport_sock_to_str(char *buf, int buf_sz, 45 struct socket *sock); 46 /* 47 * Reserve a port. If "port_num" is set, then the function will try 48 * to reserve that particular port. 49 */ 50 u16 usnic_transport_rsrv_port(enum usnic_transport_type type, u16 port_num); 51 void usnic_transport_unrsrv_port(enum usnic_transport_type type, u16 port_num); 52 /* 53 * Do a fget on the socket refered to by sock_fd and returns the socket. 54 * Socket will not be destroyed before usnic_transport_put_socket has 55 * been called. 56 */ 57 struct socket *usnic_transport_get_socket(int sock_fd); 58 void usnic_transport_put_socket(struct socket *sock); 59 /* 60 * Call usnic_transport_get_socket before calling *_sock_get_addr 61 */ 62 int usnic_transport_sock_get_addr(struct socket *sock, int *proto, 63 uint32_t *addr, uint16_t *port); 64 int usnic_transport_init(void); 65 void usnic_transport_fini(void); 66 #endif /* !USNIC_TRANSPORT_H */ 67