fix record route; don't forward funny stuff; drop if ttl reaches 0

[unix-history] / usr / src / sys / netinet / udp_var.h

diff --git a/usr/src/sys/netinet/udp_var.h b/usr/src/sys/netinet/udp_var.h
index 1d4b91e..481edc3 100644 (file)
--- a/usr/src/sys/netinet/udp_var.h
+++ b/usr/src/sys/netinet/udp_var.h
@@ -1,3 +1,39 @@
-/*     udp_var.h       4.1     81/11/14        */
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ *     @(#)udp_var.h   7.1 (Berkeley) %G%
+ */

 
 

+/*
+ * 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;
+};
+
+#define        UDP_TTL         30              /* time to live for UDP packets */
+
+#ifdef KERNEL

 struct inpcb udb;
 struct inpcb udb;

+struct udpstat udpstat;
+#endif