xref: /netbsd-src/sys/lib/libsa/iodesc.h (revision edd6a404ba2fd0440f276146248478e6476a2eb8)
1 /*	$NetBSD: iodesc.h,v 1.10 2014/03/29 14:30:16 jakllsch Exp $	*/
2 
3 /*
4  * Copyright (c) 1993 Adam Glass
5  * Copyright (c) 1992 Regents of the University of California.
6  * All rights reserved.
7  *
8  * This software was developed by the Computer Systems Engineering group
9  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10  * contributed to Berkeley.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Lawrence Berkeley Laboratory and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  */
40 
41 #ifndef __SYS_LIBNETBOOT_IODESC_H
42 #define __SYS_LIBNETBOOT_IODESC_H
43 
44 #include <net/if_ether.h>		/* for ETHER_ADDR_LEN */
45 
46 #ifdef _STANDALONE
47 /*
48  * libsa code uses the following types to avoid 64 bit time_t:
49  *
50  * satime_t:
51  *	numbers in seconds returned by the machine dependent getsecs() function
52  *	which are used to measure relative time
53  *
54  * saseconds_t:
55  *	numbers in seconds used to specify timeout to network drivers
56  *
57  */
58 typedef unsigned int	satime_t;
59 typedef int		saseconds_t;
60 #else
61 typedef time_t		satime_t;
62 typedef time_t		saseconds_t;
63 #endif
64 
65 struct iodesc {
66 	struct	in_addr destip;		/* dest. ip addr, net order */
67 	struct	in_addr myip;		/* local ip addr, net order */
68 	u_short	destport;		/* dest. port, net order */
69 	u_short	myport;			/* local port, net order */
70 	u_long	xid;			/* transaction identification */
71 	u_char	myea[ETHER_ADDR_LEN];	/* my ethernet address */
72 	void	*io_netif;
73 };
74 
75 struct iodesc	*socktodesc(int);
76 ssize_t		netif_get(struct iodesc *, void *, size_t, saseconds_t);
77 ssize_t		netif_put(struct iodesc *, void *, size_t);
78 
79 #endif /* __SYS_LIBNETBOOT_IODESC_H */
80