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 "%Z%%M% %I% %E% 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