Return to dgram.h CVS log

Up to [XINU] / xinu / h

Annotation of xinu/h/dgram.h, revision 1.1

1.1     ! root        1: /* dgram.h */
        !             2: 
        !             3: /* Datagram pseudo-device control block */
        !             4: 
        !             5: struct dgblk   {                       /* Datagram device control block*/
        !             6:        int     dg_dnum;                /* device number of this device */
        !             7:        int     dg_state;               /* whether this device allocated*/
        !             8:        int     dg_lport;               /* local datagram port number   */
        !             9:        int     dg_fport;               /* foreign datagram port number */
        !            10:        IPaddr  dg_faddr;               /* foreign machine IP address   */
        !            11:        int     dg_xport;               /* incoming packet queue        */
        !            12:        int     dg_netq;                /* index of our netq entry      */
        !            13:        int     dg_mode;                /* mode of this interface       */
        !            14: };
        !            15: 
        !            16: /* Datagram psuedo-device state constants */
        !            17: 
        !            18: #define        DG_FREE         0               /* this device is available     */
        !            19: #define        DG_USED         1               /* this device is in use        */
        !            20: 
        !            21: #define        DG_TIME         30              /* read timeout (tenths of sec) */
        !            22: 
        !            23: /* Constants for dgm pseudo-device control functions */
        !            24: 
        !            25: #define        DGM_GATE        11              /* Set the default gateway      */
        !            26: 
        !            27: /* Constants for dg pseudo-device control functions */
        !            28: 
        !            29: #define        DG_SETMODE      1               /* Set mode of device           */
        !            30: #define        DG_CLEAR        2               /* clear all waiting datagrams  */
        !            31: 
        !            32: /* Constants for dg pseudo-device mode bits */
        !            33: 
        !            34: #define        DG_NMODE        001             /* normal (datagram) mode       */
        !            35: #define        DG_DMODE        002             /* data-only mode               */
        !            36: #define        DG_TMODE        040             /* timeout all reads            */
        !            37: 
        !            38: /* Structure of xinugram as dg interface delivers it to user */
        !            39: 
        !            40: struct xgram   {                       /* Xinu datagram (not UDP)      */
        !            41:        IPaddr  xg_faddr;               /* foreign host IP address      */
        !            42:        short   xg_fport;               /* foreign UDP port number      */
        !            43:        short   xg_lport;               /* local UDP port number        */
        !            44:        char    xg_data[UMAXLEN];       /* maximum data to/from UDP     */
        !            45: };
        !            46: 
        !            47: #define        XGHLEN  8       /* error in ( (sizeof(struct xgram)) - UMAXLEN) */
        !            48: 
        !            49: /* Constants for port specifications on INTERNET open call */
        !            50: 
        !            51: #define        ANYFPORT        (char *)0       /* Accept any foreign UDP port  */
        !            52: #define        ANYLPORT        0               /* Assign a fresh local port num*/
        !            53: 
        !            54: extern struct  dgblk   dgtab[];

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