user/sendip/ntp.h

   1 /* ntp.h
   2  */
   3 #ifndef _SENDIP_NTP_H
   4 #define _SENDIP_NTP_H
   5
   6 typedef struct {
   7         u_int32_t intpart;
   8         u_int32_t fracpart;
   9 } ntp_ts;
  10
  11 /* NTP HEADER
  12  */
  13 typedef struct {
  14         /* TODO BYTEORDER!!! */
  15         u_int8_t leap:2;
  16         u_int8_t status:6;
  17         u_int8_t type;
  18         /* END TODO */
  19
  20         u_int16_t precision;
  21         u_int32_t error;
  22         u_int32_t drift;
  23         union {
  24                 u_int32_t ipaddr;
  25                 char id[4];
  26         } reference;
  27         ntp_ts reference_ts;
  28         ntp_ts originate_ts;
  29         ntp_ts receive_ts;
  30         ntp_ts transmit_ts;
  31 } ntp_header;
  32
  33 /* Defines for which parts have been modified
  34  */
  35 #define NTP_MOD_LEAP      (1)
  36 #define NTP_MOD_STATUS    (1<<1)
  37 #define NTP_MOD_TYPE      (1<<2)
  38 #define NTP_MOD_PRECISION (1<<3)
  39 #define NTP_MOD_ERROR     (1<<4)
  40 #define NTP_MOD_DRIFT     (1<<5)
  41 #define NTP_MOD_REF       (1<<6)
  42 #define NTP_MOD_REFERENCE (1<<7)
  43 #define NTP_MOD_ORIGINATE (1<<8)
  44 #define NTP_MOD_RECEIVE   (1<<9)
  45 #define NTP_MOD_TRANSMIT  (1<<10)
  46
  47 /* Options
  48  */
  49 sendip_option ntp_opts[] = {
  50         {"l",1,"NTP Leap Indicator","00 (no warning)"},
  51         {"s",1,"NTP status","0 (clock operating OK)"},
  52         {"t",1,"NTP type","0 (unspecified)"},
  53         {"p",1,"NTP precision","0"},
  54         {"e",1,"NTP estimated error","0.0"},
  55         {"d",1,"NTP estimated drift rate","0.0"},
  56         {"r",1,"NTP reference clock ID (string or IP or number)","0"},
  57         {"f",1,"NTP reference timestamp","0.0"},
  58         {"o",1,"NTP originate timestamp","0.0"},
  59         {"a",1,"NTP arrival (receive) timestamp","0.0"},
  60         {"x",1,"NTP xmit (transmit) timestamp","0.0"}
  61 };
  62
  63 #endif  /* _SENDIP_NTP_H */