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Annotation of researchv9/sys/net/arpld.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Address resolution
                      3:  */
                      4: 
                      5: #ifndef _ARP_
                      6: #define _ARP_
                      7: 
                      8: #define MAX_HARDSIZE     6
                      9: #define MAX_PRSIZE       4
                     10: 
                     11: struct ether_arp {
                     12:        u_short arp_hrd;
                     13: #define ARPHRD_ETHER   1
                     14:        u_short arp_pro;
                     15:        u_char  arp_hln;
                     16:        u_char  arp_pln;
                     17:        u_short arp_op;
                     18: #define ARPOP_REQUEST  1
                     19: #define ARPOP_REPLY    2
                     20:        u_char  arp_addr[2 * (MAX_HARDSIZE + MAX_PRSIZE)];
                     21: };
                     22: 
                     23: static u_char broadaddr[MAX_HARDSIZE] = {
                     24:        0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                     25: };
                     26: 
                     27: struct arp {
                     28:      u_char    paddr[MAX_PRSIZE];
                     29:      u_char    hdaddr[MAX_HARDSIZE];
                     30:      unsigned  time;
                     31: };
                     32: 
                     33: static u_char  pzero[MAX_PRSIZE];
                     34: static u_char  hzero[MAX_HARDSIZE];
                     35: 
                     36: #define NPROTO 2
                     37: #define NPAIR  30
                     38: 
                     39: struct arp_dev {
                     40:      dev_t          pdev;
                     41:      struct queue   *rdq;
                     42:      u_char        hdaddr[MAX_HARDSIZE];
                     43:      int           delim_count;
                     44: };
                     45: 
                     46: struct proto {
                     47:      struct arp_dev *ptr;
                     48:      u_short        type;
                     49:      u_char         psize;
                     50:      u_char         phfirst;
                     51:      struct arp     pair[NPAIR];
                     52: };
                     53: 
                     54: #ifndef CHANS_PER_UNIT
                     55: #define CHANS_PER_UNIT   8
                     56: #endif
                     57: 
                     58: #define physical(dev)    ((dev) & ~(CHANS_PER_UNIT - 1))
                     59: 
                     60: #endif

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