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- /*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved.
- *
- * 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) 12/7/87
- */
-
- /*
- * UDP kernel structures and variables.
- */
- struct udpiphdr {
- 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_x1 ui_i.ih_x1
- #define ui_pr ui_i.ih_pr
- #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
-
- struct udpstat {
- int udps_hdrops;
- int udps_badsum;
- int udps_badlen;
- };
-
- #if NeXT
- /*
- * The Internet has grown bigger than 30 hops.
- */
- #define UDP_TTL 60 /* deflt time to live for UDP packets */
- #else NeXT
- #define UDP_TTL 30 /* deflt time to live for UDP packets */
- #endif NeXT
-
- #ifdef KERNEL
- struct inpcb udb;
- struct udpstat udpstat;
- #endif
-