8.130 Counter
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
Counter IE is coded as depicted in Figure 8.130-1.
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. |
Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 |
Type = 199 (decimal) |
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2 to 3 |
Length = n |
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4 |
Spare |
Instance |
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5 to 8 |
Timestamp value |
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9 |
Counter value |
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10 to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.130-1: Counter
Octets 5 to 8 shall be encoded in the same format as the first four octets of the 64-bit timestamp format as defined in clause 6 of IETF RFC 5905 [53].
NOTE: The encoding is defined as the time in seconds relative to 00:00:00 on 1 January 1900.
Octet 9 represents an integer with a length of 1 octet.