8.2.61 Flow Information

29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS

The Flow Information IE type shall be encoded as shown in Figure 8.2.61-1. It contains the description of a flow information.

Bits

Octets

8

7

6

5

4

3

2

1

1 to 2

Type = 92 (decimal)

3 to 4

Length = n

5

Spare

Flow Direction

6 to 7

Length of Flow Description

8 to m

Flow Description

p to (n+4)

These octet(s) is/are present only if explicitly specified

Figure 8.2.61-1: Flow Information

The Flow Direction field, when present, shall be encoded as defined in Table 8.2.61-1.

Table 8.2.61-1: Flow Direction

Flow Direction

Value (Decimal)

Unspecified

0

Downlink (traffic to the UE)

1

Uplink (traffic from the UE)

2

Bidirectional

3

For future use. Shall not be sent. If received, shall be interpreted as the value "0".

4 to 7

The Flow Description field, when present, shall be encoded as an OctetString as specified in clause 5.4.2 of 3GPP TS 29.212 [8].