* Copyright (c) 1982, 1986 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
* @(#)udp_var.h 7.3 (Berkeley) %G%
* UDP kernel structures and variables.
struct ipovly ui_i
; /* overlaid ip structure */
struct udphdr ui_u
; /* udp header */
#define ui_next ui_i.ih_next
#define ui_prev ui_i.ih_prev
#define ui_len ui_i.ih_len
#define ui_src ui_i.ih_src
#define ui_dst ui_i.ih_dst
#define ui_sport ui_u.uh_sport
#define ui_dport ui_u.uh_dport
#define ui_ulen ui_u.uh_ulen
#define ui_sum ui_u.uh_sum
#define UDP_TTL 30 /* deflt time to live for UDP packets */