udp_var.h

Variables

udb               X
udpstat           X

Macros

UDPCTL_CHECKSUM   X
UDPCTL_MAXID      X
UDPCTL_NAMES      X
ui_dport          X
ui_dst            X
ui_len            X
ui_next           X
ui_pad            X
ui_pr             X
ui_prev           X
ui_sport          X
ui_src            X
ui_sum            X
ui_ulen           X
ui_x1             X

struct's

udpiphdr          X
udpstat           X

   1: /*
   2:  * Copyright (c) 1982, 1986 Regents of the University of California.
   3:  * All rights reserved.
   4:  *
   5:  * Redistribution and use in source and binary forms are permitted
   6:  * provided that this notice is preserved and that due credit is given
   7:  * to the University of California at Berkeley. The name of the University
   8:  * may not be used to endorse or promote products derived from this
   9:  * software without specific prior written permission. This software
  10:  * is provided ``as is'' without express or implied warranty.
  11:  *
  12:  *	@(#)udp_var.h	7.3.2 (2.11BSD GTE) 1995/10/09
  13:  */
  14: 
  15: /*
  16:  * UDP kernel structures and variables.
  17:  */
  18: struct  udpiphdr {
  19:     struct  ipovly ui_i;        /* overlaid ip structure */
  20:     struct  udphdr ui_u;        /* udp header */
  21: };
  22: #define ui_next     ui_i.ih_next
  23: #define ui_prev     ui_i.ih_prev
  24: #define ui_pad      ui_i.ih_pad
  25: #define ui_x1       ui_i.ih_x1
  26: #define ui_pr       ui_i.ih_pr
  27: #define ui_len      ui_i.ih_len
  28: #define ui_src      ui_i.ih_src
  29: #define ui_dst      ui_i.ih_dst
  30: #define ui_sport    ui_u.uh_sport
  31: #define ui_dport    ui_u.uh_dport
  32: #define ui_ulen     ui_u.uh_ulen
  33: #define ui_sum      ui_u.uh_sum
  34: 
  35: struct  udpstat {
  36:                 /* input statistics: */
  37:     long    udps_ipackets;      /* total input packets */
  38:     long    udps_hdrops;        /* packet shorter than header */
  39:     long    udps_badsum;        /* checksum error */
  40:     long    udps_badlen;        /* data length larger than packet */
  41:     long    udps_noport;        /* no socket on port */
  42:     long    udps_noportbcast;   /* of above, arrived as broadcast */
  43:     long    udps_fullsock;      /* not delivered, input socket full */
  44:     long    udpps_pcbcachemiss; /* input packets missing pcb cache */
  45:                 /* output statistics: */
  46:     long    udps_opackets;      /* total output packets */
  47: };
  48: 
  49: /*
  50:  * Names for UDP sysctl objects
  51:  */
  52: #define UDPCTL_CHECKSUM     1   /* checksum UDP packets */
  53: #define UDPCTL_MAXID        2
  54: 
  55: #ifndef KERNEL
  56: #define UDPCTL_NAMES { \
  57:     { 0, 0 }, \
  58:     { "checksum", CTLTYPE_INT }, \
  59: }
  60: #endif
  61: 
  62: #ifdef SUPERVISOR
  63: struct  inpcb udb;
  64: struct  udpstat udpstat;
  65: #endif