1 /*
2  * Copyright (c) 1982, 1986 Regents of the University of California.
3  * All rights reserved.  The Berkeley software License Agreement
4  * specifies the terms and conditions for redistribution.
5  */
6 
7 /*
8  * UDP kernel structures and variables.
9  */
10 
11 #ifndef	_NETINET_UDP_VAR_H
12 #define	_NETINET_UDP_VAR_H
13 
14 /* udp_var.h 1.8 88/08/19 SMI; from UCB 7.1 6/5/86	*/
15 
16 #ifdef	__cplusplus
17 extern "C" {
18 #endif
19 
20 struct	udpiphdr {
21 	struct 	ipovly ui_i;		/* overlaid ip structure */
22 	struct	udphdr ui_u;		/* udp header */
23 };
24 #define	ui_next		ui_i.ih_next
25 #define	ui_prev		ui_i.ih_prev
26 #define	ui_x1		ui_i.ih_x1
27 #define	ui_pr		ui_i.ih_pr
28 #define	ui_len		ui_i.ih_len
29 #define	ui_src		ui_i.ih_src
30 #define	ui_dst		ui_i.ih_dst
31 #define	ui_sport	ui_u.uh_sport
32 #define	ui_dport	ui_u.uh_dport
33 #define	ui_ulen		ui_u.uh_ulen
34 #define	ui_sum		ui_u.uh_sum
35 
36 struct	udpstat {
37 	int	udps_hdrops;
38 	int	udps_badsum;
39 	int	udps_badlen;
40 	int	udps_fullsock;
41 };
42 
43 #define	UDP_TTL		30		/* time to live for UDP packets */
44 
45 #ifdef	__cplusplus
46 }
47 #endif
48 
49 #endif	/* _NETINET_UDP_VAR_H */
50