ipr.h

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/*
ipr.h

Copyright 1995 Philip Homburg
*/

#ifndef IPR_H
#define IPR_H

typedef struct oroute
{
        int ort_port;
        ipaddr_t ort_dest;
        ipaddr_t ort_subnetmask;
        int ort_dist;
        i32_t ort_pref;
        u32_t ort_mtu;
        ipaddr_t ort_gateway;
        time_t ort_exp_tim;
        time_t ort_timestamp;
        int ort_flags;

        struct oroute *ort_nextnw;
        struct oroute *ort_nextgw;
        struct oroute *ort_nextdist;
} oroute_t;

#define ORTD_UNREACHABLE        512

#define ORTF_EMPTY              0
#define ORTF_INUSE              1
#define ORTF_STATIC             2

typedef struct iroute
{
        ipaddr_t irt_dest;
        ipaddr_t irt_gateway;
        ipaddr_t irt_subnetmask;
        int irt_dist;
        u32_t irt_mtu;
        int irt_port;
        int irt_flags;
} iroute_t;

#define IRTD_UNREACHABLE        512

#define IRTF_EMPTY              0
#define IRTF_INUSE              1
#define IRTF_STATIC             2

#define IPR_UNRCH_TIMEOUT       (60L * HZ)
#define IPR_TTL_TIMEOUT         (60L * HZ)
#define IPR_REDIRECT_TIMEOUT    (20 * 60L * HZ)
#define IPR_GW_DOWN_TIMEOUT     (60L * HZ)
#define IPR_MTU_TIMEOUT         (10*60L * HZ)   /* RFC-1191 */

/* Prototypes */

iroute_t *iroute_frag ARGS(( int port_nr, ipaddr_t dest ));
int oroute_frag ARGS(( int port_nr, ipaddr_t dest, int ttl, size_t msgsize,
                                                        ipaddr_t *nexthop ));
void ipr_init ARGS(( void ));
int ipr_get_iroute ARGS(( int ent_no, nwio_route_t *route_ent ));
int ipr_add_iroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask, 
        ipaddr_t gateway, int dist, int mtu, int static_route,
        iroute_t **route_p ));
int ipr_del_iroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask, 
        ipaddr_t gateway, int static_route ));
void ipr_chk_itab ARGS(( int port_nr, ipaddr_t addr, ipaddr_t mask ));
int ipr_get_oroute ARGS(( int ent_no, nwio_route_t *route_ent ));
int ipr_add_oroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask, 
        ipaddr_t gateway, time_t timeout, int dist, int mtu, int static_route,
        i32_t preference, oroute_t **route_p ));
int ipr_del_oroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask, 
        ipaddr_t gateway, int static_route ));
void ipr_chk_otab ARGS(( int port_nr, ipaddr_t addr, ipaddr_t mask ));
void ipr_gateway_down ARGS(( int port_nr, ipaddr_t gateway, time_t timeout ));
void ipr_redirect ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
        ipaddr_t old_gateway, ipaddr_t new_gateway, time_t timeout ));
void ipr_destunrch ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
        time_t timeout ));
void ipr_ttl_exc ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
        time_t timeout ));
void ipr_mtu ARGS(( int port_nr, ipaddr_t dest, U16_t mtu, time_t timeout ));

#endif /* IPR_H */

/*
 * $PchId: ipr.h,v 1.8 2002/06/09 07:48:11 philip Exp $
 */

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