Support for Prime PFD Message

The StarOS-based UPF node needs basic ECS rules configuration pushed from SMF. These default rules need to be provisioned in UPF dynamically even for dynamic PCC policy.

  • The StarOS UPF expects SMF to send the configuration in a new custom message. This message is called SX_PRIME_PFD_MANAGEMENT_REQUEST. The custom message ID of this message is 0x2F.

  • The response sent by UPF for this message is SX_PRIME_PFD_MANAGEMENT_RESPONSE with message ID 0x30.

The following snapshot shows the contents of this message:


[U-PLANE]PFCP Rx PDU, from 192.60.181.6:40259 to 192.60.181.2:8805 (81) 
SEID: NA, Message type: SX_MSG_PRIME_PFD_MANAGEMENT_REQUEST (0x2F) 
Sequence Number: 0x000001 (1) 
PFCP HEADER 
        Version number: 1 
        SEID flag: Not present 
        Message Length: 0x004D (77) 
INFORMATION ELEMENTS 
        CONFIG ACTION: 
            Type: 202  Length: 1 
            Value: ADD 
            Hex: 00CA 0001 01 
        CORRELATION ID: 
            Type: 203  Length: 2 
            Value: 4 
            Hex: 00CB 0002 0004 
        SUB PART NUMBER: 
            Type: 204  Length: 1 
            Value: 245 
            Hex: 00CC 0001 F5 
        CONTENT TLV: 
            Type: 206  Length: 53 
            Value: 
                Content Type: ACS_LEVEL_INFO 
                Content Length: 50 
            Hex: 00CE 0035 0B00 325C 00F1 015F 5F64 657F 
                 6661 756C 745F 5F10 0113 2C01 0111 C801 
                 132C 0101 132C 0101 532C 0101 0155 01FF 
                 01FF 0101 1001 032C 01 
Tuesday August 21 2018 
<<<<OUTBOUND  09:43:39:380 Eventid:221302(3) 
[U-PLANE]PFCP Tx PDU, from 192.60.181.2:8805 to 192.60.181.6:40259 (19) 
SEID: NA, Message type: SX_MSG_PRIME_PFD_MANAGEMENT_RESPONSE (0x30) 
Sequence Number: 0x000001 (1) 
PFCP HEADER 
        Version number: 1 
        SEID flag: Not present 
        Message Length: 0x000F (15) 
INFORMATION ELEMENTS 
        CAUSE: 
            Type: 19  Length: 1 
            Value: 
                Cause: PFCP_CAUSE_REQUEST_ACCEPTED (0x01) 
            Hex: 0013 0001 01 
        CORRELATION ID: 
            Type: 203  Length: 2 
            Value: 4 
            Hex: 00CB 0002 0004