From: Sam Leffler <sam@ucbvax.Berkeley.EDU>
Date: Sun, 23 May 1982 13:26:19 +0000 (-0800)
Subject: date and time created 82/05/22 22:26:19 by sam
X-Git-Tag: BSD-4_1c_2-Snapshot-Development~3338
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/1c1358efed71ad64d5eb7be5fe2dba8d33b601e5?hp=9629a51d04b2c62944cdc4f790db746928787eab

date and time created 82/05/22 22:26:19 by sam

SCCS-vsn: include/protocols/routed.h 4.1
---

diff --git a/usr/src/include/protocols/routed.h b/usr/src/include/protocols/routed.h
new file mode 100644
index 0000000000..f475f361da
--- /dev/null
+++ b/usr/src/include/protocols/routed.h
@@ -0,0 +1,33 @@
+/*	routed.h	82/05/22	4.1	*/
+/*
+ * Routing Information Protocol
+ */
+struct netinfo {
+	struct	sockaddr rip_dst;	/* destination net/host */
+	int	rip_metric;		/* cost of route */
+};
+
+struct rip {
+	u_char	rip_cmd;		/* request/response */
+	u_char	rip_res1[3];		/* pad to 32-bit boundary */
+	struct	netinfo rip_nets[1];	/* variable length... */
+};
+ 
+#define	RIPCMD_REQUEST		0x1	/* want info */
+#define	RIPCMD_RESPONSE		0x2	/* responding to request */
+
+#define IPPORT_ROUTESERVER 	520	/* well-known port */
+#define	HOPCNT_INFINITY		16	/* per Xerox NS */
+#define	MAXPACKETSIZE		1024	/* max broadcast size */
+
+/*
+ * Timer values used in managing the routing table "cache".
+ * Every update forces an entry's timer to be reset.  After
+ * EXPIRE_TIME without updates, the entry is marked invalid,
+ * but held onto until GARBAGE_TIME so that others may
+ * see it "be deleted".
+ */
+#define	TIMER_RATE		30	/* alarm clocks every 30 seconds */
+#define	GARBAGE_TIME		210	/* time to garbage collect */
+#define	EXPIRE_TIME		180	/* time to mark entry invalid */
+#define	SUPPLY_INTERVAL		30	/* time to supply tables */