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Annotation of lucent/sys/src/9/port/arp.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *  this file used by (at least) the kernel, arpd, snoopy, tboot
        !             3:  */
        !             4: typedef struct Arppkt  Arppkt;
        !             5: typedef struct Arpentry        Arpentry;
        !             6: typedef struct Arpstats        Arpstats;
        !             7: 
        !             8: /* Format of ethernet arp request */
        !             9: struct Arppkt {
        !            10:        uchar   d[6];
        !            11:        uchar   s[6];
        !            12:        uchar   type[2];
        !            13:        uchar   hrd[2];
        !            14:        uchar   pro[2];
        !            15:        uchar   hln;
        !            16:        uchar   pln;
        !            17:        uchar   op[2];
        !            18:        uchar   sha[6];
        !            19:        uchar   spa[4];
        !            20:        uchar   tha[6];
        !            21:        uchar   tpa[4];
        !            22:        };
        !            23: 
        !            24: #define ARPSIZE                42
        !            25: 
        !            26: /* Format of request from starp to user level arpd */
        !            27: struct Arpentry {
        !            28:        uchar   etaddr[6];
        !            29:        uchar   ipaddr[4];
        !            30:        };
        !            31: 
        !            32: /* Arp cache statistics */
        !            33: struct Arpstats {
        !            34:        int     hit;
        !            35:        int     miss;
        !            36:        int     failed;
        !            37:        };
        !            38: 
        !            39: #define ET_ARP         0x0806
        !            40: #define ET_RARP                0x8035
        !            41: 
        !            42: #define ARP_REQUEST    1
        !            43: #define ARP_REPLY      2
        !            44: #define RARP_REQUEST   3
        !            45: #define RARP_REPLY     4

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