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Updates to NTP reference identifier codes. 

Includes additional official identifier DFM [1], the NIST's
UT1 servers [2], and additional unofficial identifiers used
by various vendors [3-7].

1 https://www.iana.org/assignments/ntp-parameters/ntp-parameters.xhtml#ntp-parameters-1
2 https://www.nist.gov/pml/time-and-frequency-division/time-services/ut1-ntp-time-dissemination
3 https://www.meinbergglobal.com/english/info/ntp-refid.htm
4 https://www.sidnlabs.nl/downloads/2A3GL3YHdVKJVNiSfx3kmb/c267e2a04785a8123bfef9a832811926/SIDN-Labs-NTP-Platform_Internetstandaarden_20200910_x.pdf
5 https://timetoolsltd.com/wp-content/uploads/2020/10/T1300-T-Series-User-Guide.pdf
6 https://docs.ntpsec.org/latest/driver_generic.html
7 https://docs.ntpsec.org/latest/driver_gpsd.html

Signed-off-by: Rob Gill <rrobgill@protonmail.com>
This commit is contained in:
Rob Gill 2024-04-07 16:41:49 +10:00
parent 76f52fc911
commit dbc22579cb
1 changed files with 18 additions and 1 deletions
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19
epan/dissectors/packet-ntp.c
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@ -210,7 +210,9 @@ static const struct {
const char *id;
const char *data;
} primary_sources[] = {
/* IANA / RFC 5905 */
/* Reference Identifier Codes
* https://www.iana.org/assignments/ntp-parameters/ntp-parameters.xhtml#ntp-parameters-1
*/
{ "GOES", "Geostationary Orbit Environment Satellite" },
{ "GPS\0", "Global Position System" },
{ "GAL\0", "Galileo Positioning System" },
@ -230,8 +232,10 @@ static const struct {
{ "ACTS", "NIST telephone modem" },
{ "USNO", "USNO telephone modem" },
{ "PTB\0", "European telephone modem" },
{ "DFM\0", "UTC(DFM)"},
/* Unofficial codes */
{ "LCL\0", "uncalibrated local clock" },
{ "LOCL", "uncalibrated local clock" },
{ "CESM", "calibrated Cesium clock" },
{ "RBDM", "calibrated Rubidium clock" },
@ -241,6 +245,19 @@ static const struct {
{ "DTS\0", "Digital Time Service" },
{ "ATOM", "Atomic clock (calibrated)" },
{ "VLF\0", "VLF radio (OMEGA,, etc.)" },
{ "DCFa", "DCF77 with amplitude modulation" },
{ "DCFp", "DCF77 with phase modulation/pseudo random phase modulation" },
{ "PZF\0", "DCF77 correlation receiver for middle Europe" },
{ "PZFs", "DCF77 correlation receiver (with shared memory access)" },
{ "PZFi", "DCF77 correlation receiver (with interrupt based access)" },
{ "GPSD", "GPSD client driver" },
{ "GPSs", "GPS (with shared memory access)" },
{ "GPSi", "GPS (with interrupt based access)" },
{ "GLNs", "GPS/GLONASS (with shared memory access)" },
{ "GLNi", "GPS/GLONASS (with interrupt based access)" },
{ "GNSS", "Global Navigation Satellite System" },
{ "MRS\0", "Multi Reference System" },
{ "Nut1", "UT1(NIST)" },
{ "1PPS", "External 1 PPS input" },
{ "FREE", "(Internal clock)" },
// { "INIT", "(Initialization)" },