minix/common/include/net/gen/rip.h

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2005-04-21 16:53:53 +02:00
/*
net/gen/rip.h
Definitions for the Routing Information Protocol (RFC-1058).
Created: Aug 16, 1993 by Philip Homburg <philip@cs.vu.nl>
*/
#ifndef NET__GEN__RIP_H
#define NET__GEN__RIP_H
typedef struct rip_hdr
{
u8_t rh_command;
u8_t rh_version;
u16_t rh_zero;
} rip_hdr_t;
#define RHC_REQUEST 1
#define RHC_RESPONSE 2
#define RIP_ENTRY_MAX 25
typedef struct rip_entry
{
union
{
struct rip_entry_v1
{
u16_t re_family;
u16_t re_zero0;
u32_t re_address;
u32_t re_zero1;
u32_t re_zero2;
u32_t re_metric;
} v1;
struct rip_entry_v2
{
u16_t re_family;
u16_t re_tag;
u32_t re_address;
u32_t re_mask;
u32_t re_nexthop;
u32_t re_metric;
} v2;
} u;
} rip_entry_t;
#define RIP_FAMILY_IP 2
#define RIP_INFINITY 16
#define RIP_UDP_PORT 520
#define RIP_PERIOD 30 /* A responce is sent once every
* RIP_PERIOD seconds
*/
#define RIP_FUZZ 10 /* The actual value used is RIP_FREQUENCE -
* a random number of at most RIP_FUZZ.
*/
#define RIP_TIMEOUT 180 /* A route is dead after RIP_TIMEOUT seconds */
#define RIP_DELETE_TO 120 /* A dead route is removed after RIP_DELETE_TO
* seconds
*/
#ifdef __RIP_DEBUG
#undef RIP_PERIOD
#define RIP_PERIOD 15
#undef RIP_TIMEOUT
#define RIP_TIMEOUT 10
#undef RIP_DELETE_TO
#define RIP_DELETE_TO 10
#endif /* __RIP_DEBUG */
#endif /* NET__GEN__RIP_H */
/*
* $PchId: rip.h,v 1.3 1995/11/17 22:21:16 philip Exp $
*/