servers/inet/generic/ipr.h

   1 /*
   2 ipr.h
   3
   4 Copyright 1995 Philip Homburg
   5 */
   6
   7 #ifndef IPR_H
   8 #define IPR_H
   9
  10 typedef struct oroute
  11 {
  12         int ort_port;
  13         ipaddr_t ort_dest;
  14         ipaddr_t ort_subnetmask;
  15         int ort_dist;
  16         i32_t ort_pref;
  17         u32_t ort_mtu;
  18         ipaddr_t ort_gateway;
  19         time_t ort_exp_tim;
  20         time_t ort_timestamp;
  21         int ort_flags;
  22
  23         struct oroute *ort_nextnw;
  24         struct oroute *ort_nextgw;
  25         struct oroute *ort_nextdist;
  26 } oroute_t;
  27
  28 #define ORTD_UNREACHABLE        512
  29
  30 #define ORTF_EMPTY              0
  31 #define ORTF_INUSE              1
  32 #define ORTF_STATIC             2
  33
  34 typedef struct iroute
  35 {
  36         ipaddr_t irt_dest;
  37         ipaddr_t irt_gateway;
  38         ipaddr_t irt_subnetmask;
  39         int irt_dist;
  40         u32_t irt_mtu;
  41         int irt_port;
  42         int irt_flags;
  43 } iroute_t;
  44
  45 #define IRTD_UNREACHABLE        512
  46
  47 #define IRTF_EMPTY              0
  48 #define IRTF_INUSE              1
  49 #define IRTF_STATIC             2
  50
  51 #define IPR_UNRCH_TIMEOUT       (60L * HZ)
  52 #define IPR_TTL_TIMEOUT         (60L * HZ)
  53 #define IPR_REDIRECT_TIMEOUT    (20 * 60L * HZ)
  54 #define IPR_GW_DOWN_TIMEOUT     (60L * HZ)
  55 #define IPR_MTU_TIMEOUT         (10*60L * HZ)   /* RFC-1191 */
  56
  57 /* Prototypes */
  58
  59 iroute_t *iroute_frag ARGS(( int port_nr, ipaddr_t dest ));
  60 int oroute_frag ARGS(( int port_nr, ipaddr_t dest, int ttl, size_t msgsize,
  61                                                         ipaddr_t *nexthop ));
  62 void ipr_init ARGS(( void ));
  63 int ipr_get_iroute ARGS(( int ent_no, nwio_route_t *route_ent ));
  64 int ipr_add_iroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
  65         ipaddr_t gateway, int dist, int mtu, int static_route,
  66         iroute_t **route_p ));
  67 int ipr_del_iroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
  68         ipaddr_t gateway, int static_route ));
  69 void ipr_chk_itab ARGS(( int port_nr, ipaddr_t addr, ipaddr_t mask ));
  70 int ipr_get_oroute ARGS(( int ent_no, nwio_route_t *route_ent ));
  71 int ipr_add_oroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
  72         ipaddr_t gateway, time_t timeout, int dist, int mtu, int static_route,
  73         i32_t preference, oroute_t **route_p ));
  74 int ipr_del_oroute ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
  75         ipaddr_t gateway, int static_route ));
  76 void ipr_chk_otab ARGS(( int port_nr, ipaddr_t addr, ipaddr_t mask ));
  77 void ipr_gateway_down ARGS(( int port_nr, ipaddr_t gateway, time_t timeout ));
  78 void ipr_redirect ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
  79         ipaddr_t old_gateway, ipaddr_t new_gateway, time_t timeout ));
  80 void ipr_destunrch ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
  81         time_t timeout ));
  82 void ipr_ttl_exc ARGS(( int port_nr, ipaddr_t dest, ipaddr_t subnetmask,
  83         time_t timeout ));
  84 void ipr_mtu ARGS(( int port_nr, ipaddr_t dest, U16_t mtu, time_t timeout ));
  85
  86 #endif /* IPR_H */
  87
  88 /*
  89  * $PchId: ipr.h,v 1.8 2002/06/09 07:48:11 philip Exp $
  90  */