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Annotation of lucent/sys/src/9/port/arp.h, revision 1.1.1.1

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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