* Copyright (c) 1982, 1986, 1989 Regents of the University of California.
* %sccs.include.redist.c%
* @(#)udp_var.h 7.7 (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
int udps_ipackets
; /* total input packets */
int udps_hdrops
; /* packet shorter than header */
int udps_badsum
; /* checksum error */
int udps_badlen
; /* data length larger than packet */
int udps_noport
; /* no socket on port */
int udps_noportbcast
; /* of above, arrived as broadcast */
int udps_fullsock
; /* not delivered, input socket full */
int udpps_pcbcachemiss
; /* input packets missing pcb cache */
int udps_opackets
; /* total output packets */
#define UDP_TTL 30 /* default time to live for UDP packets */