Return to table.h CVS log

Up to [CSRG BSD Unix] / 43BSDReno / sbin / routed

Annotation of 43BSDReno/sbin/routed/table.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  *
                     19:  *     @(#)table.h     5.8 (Berkeley) 6/1/90
                     20:  */
                     21: 
                     22: /*
                     23:  * Routing table management daemon.
                     24:  */
                     25: 
                     26: /*
                     27:  * Routing table structure; differs a bit from kernel tables.
                     28:  *
                     29:  * Note: the union below must agree in the first 4 members
                     30:  * so the ioctl's will work.
                     31:  */
                     32: struct rthash {
                     33:        struct  rt_entry *rt_forw;
                     34:        struct  rt_entry *rt_back;
                     35: };
                     36: #ifdef RTM_ADD
                     37: #define rtentry ortentry
                     38: #endif
                     39: 
                     40: struct rt_entry {
                     41:        struct  rt_entry *rt_forw;
                     42:        struct  rt_entry *rt_back;
                     43:        union {
                     44:                struct  rtentry rtu_rt;
                     45:                struct {
                     46:                        u_long  rtu_hash;
                     47:                        struct  sockaddr rtu_dst;
                     48:                        struct  sockaddr rtu_router;
                     49:                        short   rtu_flags;
                     50:                        short   rtu_state;
                     51:                        int     rtu_timer;
                     52:                        int     rtu_metric;
                     53:                        int     rtu_ifmetric;
                     54:                        struct  interface *rtu_ifp;
                     55:                } rtu_entry;
                     56:        } rt_rtu;
                     57: };
                     58: 
                     59: #define        rt_rt           rt_rtu.rtu_rt                   /* pass to ioctl */
                     60: #define        rt_hash         rt_rtu.rtu_entry.rtu_hash       /* for net or host */
                     61: #define        rt_dst          rt_rtu.rtu_entry.rtu_dst        /* match value */
                     62: #define        rt_router       rt_rtu.rtu_entry.rtu_router     /* who to forward to */
                     63: #define        rt_flags        rt_rtu.rtu_entry.rtu_flags      /* kernel flags */
                     64: #define        rt_timer        rt_rtu.rtu_entry.rtu_timer      /* for invalidation */
                     65: #define        rt_state        rt_rtu.rtu_entry.rtu_state      /* see below */
                     66: #define        rt_metric       rt_rtu.rtu_entry.rtu_metric     /* cost of route */
                     67: #define        rt_ifmetric     rt_rtu.rtu_entry.rtu_ifmetric   /* cost of route if */
                     68: #define        rt_ifp          rt_rtu.rtu_entry.rtu_ifp        /* interface to take */
                     69: 
                     70: #define        ROUTEHASHSIZ    32              /* must be a power of 2 */
                     71: #define        ROUTEHASHMASK   (ROUTEHASHSIZ - 1)
                     72: 
                     73: /*
                     74:  * "State" of routing table entry.
                     75:  */
                     76: #define        RTS_CHANGED     0x1             /* route has been altered recently */
                     77: #define        RTS_EXTERNAL    0x2             /* extern info, not installed or sent */
                     78: #define        RTS_INTERNAL    0x4             /* internal route, not installed */
                     79: #define        RTS_PASSIVE     IFF_PASSIVE     /* don't time out route */
                     80: #define        RTS_INTERFACE   IFF_INTERFACE   /* route is for network interface */
                     81: #define        RTS_REMOTE      IFF_REMOTE      /* route is for ``remote'' entity */
                     82: #define        RTS_SUBNET      IFF_SUBNET      /* route is for network subnet */
                     83: 
                     84: /*
                     85:  * Flags are same as kernel, with this addition for af_rtflags:
                     86:  */
                     87: #define        RTF_SUBNET      0x8000          /* pseudo: route to subnet */
                     88: 
                     89: struct rthash nethash[ROUTEHASHSIZ];
                     90: struct rthash hosthash[ROUTEHASHSIZ];
                     91: struct rt_entry *rtlookup();
                     92: struct rt_entry *rtfind();

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.