Return to protocol.h CVS log

Up to [CSRG BSD Unix] / 42BSD / etc / routed

Annotation of 42BSD/etc/routed/protocol.h, revision 1.1

1.1     ! root        1: /*     protocol.h      4.10    83/08/11        */
        !             2: /*
        !             3:  * Routing Information Protocol
        !             4:  *
        !             5:  * Derived from Xerox NS Routing Information Protocol
        !             6:  * by changing 32-bit net numbers to sockaddr's and
        !             7:  * padding stuff to 32-bit boundaries.
        !             8:  */
        !             9: #define        RIPVERSION      1
        !            10: 
        !            11: struct netinfo {
        !            12:        struct  sockaddr rip_dst;       /* destination net/host */
        !            13:        int     rip_metric;             /* cost of route */
        !            14: };
        !            15: 
        !            16: struct rip {
        !            17:        u_char  rip_cmd;                /* request/response */
        !            18:        u_char  rip_vers;               /* protocol version # */
        !            19:        u_char  rip_res1[2];            /* pad to 32-bit boundary */
        !            20:        union {
        !            21:                struct  netinfo ru_nets[1];     /* variable length... */
        !            22:                char    ru_tracefile[1];        /* ditto ... */
        !            23:        } ripun;
        !            24: #define        rip_nets        ripun.ru_nets
        !            25: #define        rip_tracefile   ripun.ru_tracefile
        !            26: };
        !            27:  
        !            28: /*
        !            29:  * Packet types.
        !            30:  */
        !            31: #define        RIPCMD_REQUEST          1       /* want info */
        !            32: #define        RIPCMD_RESPONSE         2       /* responding to request */
        !            33: #define        RIPCMD_TRACEON          3       /* turn tracing on */
        !            34: #define        RIPCMD_TRACEOFF         4       /* turn it off */
        !            35: 
        !            36: #define        RIPCMD_MAX              5
        !            37: #ifdef RIPCMDS
        !            38: char *ripcmds[RIPCMD_MAX] =
        !            39:   { "#0", "REQUEST", "RESPONSE", "TRACEON", "TRACEOFF" };
        !            40: #endif
        !            41: 
        !            42: #define        HOPCNT_INFINITY         16      /* per Xerox NS */
        !            43: #define        MAXPACKETSIZE           512     /* max broadcast size */
        !            44: 
        !            45: /*
        !            46:  * Timer values used in managing the routing table.
        !            47:  * Every update forces an entry's timer to be reset.  After
        !            48:  * EXPIRE_TIME without updates, the entry is marked invalid,
        !            49:  * but held onto until GARBAGE_TIME so that others may
        !            50:  * see it "be deleted".
        !            51:  */
        !            52: #define        TIMER_RATE              30      /* alarm clocks every 30 seconds */
        !            53: 
        !            54: #define        SUPPLY_INTERVAL         30      /* time to supply tables */
        !            55: 
        !            56: #define        EXPIRE_TIME             180     /* time to mark entry invalid */
        !            57: #define        GARBAGE_TIME            240     /* time to garbage collect */

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