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      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 #pragma ident	"@(#)udp_var.h	1.2	93/02/04 SMI"
     15 /* udp_var.h 1.8 88/08/19 SMI; from UCB 7.1 6/5/86	*/
     16 
     17 #ifdef	__cplusplus
     18 extern "C" {
     19 #endif
     20 
     21 struct	udpiphdr {
     22 	struct 	ipovly ui_i;		/* overlaid ip structure */
     23 	struct	udphdr ui_u;		/* udp header */
     24 };
     25 #define	ui_next		ui_i.ih_next
     26 #define	ui_prev		ui_i.ih_prev
     27 #define	ui_x1		ui_i.ih_x1
     28 #define	ui_pr		ui_i.ih_pr
     29 #define	ui_len		ui_i.ih_len
     30 #define	ui_src		ui_i.ih_src
     31 #define	ui_dst		ui_i.ih_dst
     32 #define	ui_sport	ui_u.uh_sport
     33 #define	ui_dport	ui_u.uh_dport
     34 #define	ui_ulen		ui_u.uh_ulen
     35 #define	ui_sum		ui_u.uh_sum
     36 
     37 struct	udpstat {
     38 	int	udps_hdrops;
     39 	int	udps_badsum;
     40 	int	udps_badlen;
     41 	int	udps_fullsock;
     42 };
     43 
     44 #define	UDP_TTL		30		/* time to live for UDP packets */
     45 
     46 #ifdef	__cplusplus
     47 }
     48 #endif
     49 
     50 #endif	/* _NETINET_UDP_VAR_H */
     51