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Ignore empty SDF Filter field #537
Description
Discussed in #535
SDF Filter with no value could be ignored without causing PDR to be ignored as well. That would allow to apply PDRs with such filters.
Originally posted by howardswe499 March 12, 2024
Hi All,
I'm trying to perform integration with Nokia CMU (Nokia's 5G core solution), using eUPF as UPF and UERANSIM as UE+RAN.
...
Here are the logs of eUPF:
eupf-1 | Session Establishment Request:
eupf-1 | CreatePDR ID: 18944
eupf-1 | Outer Header Removal: 1
eupf-1 | FAR ID: 327680
eupf-1 | QER ID: 57
eupf-1 | QER ID: 4117
eupf-1 | URR ID: 1610612737
eupf-1 | Source Interface: 0
eupf-1 | TEID: 0
eupf-1 | Ipv4: <nil>
eupf-1 | Ipv6: <nil>
eupf-1 | UE IPv4 Address: 10.246.115.216
eupf-1 | SDF Filter: permit out ip from any to any
eupf-1 | CreatePDR ID: 35328
eupf-1 | FAR ID: 537198592
eupf-1 | QER ID: 57
eupf-1 | QER ID: 4117
eupf-1 | URR ID: 1610612737
eupf-1 | Source Interface: 1
eupf-1 | UE IPv4 Address: 10.246.115.216
eupf-1 | SDF Filter:
eupf-1 | CreateFAR ID: 327680
eupf-1 | Apply Action: [2]
eupf-1 | Forwarding Parameters:
eupf-1 | Network Instance: 5gtest1
eupf-1 | CreateFAR ID: 537198592
eupf-1 | Apply Action: [4]
eupf-1 | Forwarding Parameters:
eupf-1 | Network Instance:n3-realm
eupf-1 | BAR ID: 5
eupf-1 | CreateQER ID: 57
eupf-1 | Gate Status DL: 0
eupf-1 | Gate Status UL: 0
eupf-1 | Max Bitrate DL: 5000000
eupf-1 | Max Bitrate UL: 5000000
eupf-1 | CreateQER ID: 4117
eupf-1 | Gate Status DL: 0
eupf-1 | Gate Status UL: 0
eupf-1 | QFI: 5
eupf-1 | CreateURR ID: 1610612737
eupf-1 | Measurement Method: 3
eupf-1 | CreateURR ID: 1073741829
eupf-1 | Measurement Method: 2
eupf-1 | Volume Threshold: &{Flags:1 TotalVolume:104857600 UplinkVolume:0 DownlinkVolume:0}
eupf-1 | CreateURR ID: 1073741825
eupf-1 | Measurement Method: 2
eupf-1 | CreateBAR ID: 5
eupf-1 | Downlink Data Notification Delay: 0s
eupf-1 |
eupf-1 | 2024/03/05 08:35:01 INF WARN: No OuterHeaderCreation
eupf-1 | 2024/03/05 08:35:01 INF Saving FAR info to session: 327680, {Action:2 OuterHeaderCreation:0 Teid:0 RemoteIP:0 LocalIP:929474752 TransportLevelMarking:0}
eupf-1 | 2024/03/05 08:35:01 DBG EBPF: Put FAR: internalId=3, qerInfo={Action:2 OuterHeaderCreation:0 Teid:0 RemoteIP:0 LocalIP:929474752 TransportLevelMarking:0}
eupf-1 | 2024/03/05 08:35:01 INF WARN: No OuterHeaderCreation
eupf-1 | 2024/03/05 08:35:01 INF Saving FAR info to session: 537198592, {Action:4 OuterHeaderCreation:0 Teid:0 RemoteIP:0 LocalIP:929474752 TransportLevelMarking:0}
eupf-1 | 2024/03/05 08:35:01 DBG EBPF: Put FAR: internalId=4, qerInfo={Action:4 OuterHeaderCreation:0 Teid:0 RemoteIP:0 LocalIP:929474752 TransportLevelMarking:0}
eupf-1 | 2024/03/05 08:35:01 INF Saving QER info to session: 57, {GateStatusUL:0 GateStatusDL:0 Qfi:0 MaxBitrateUL:705032704 MaxBitrateDL:705032704 StartUL:0 StartDL:0}
eupf-1 | 2024/03/05 08:35:01 DBG EBPF: Put QER: internalId=1, qerInfo={GateStatusUL:0 GateStatusDL:0 Qfi:0 MaxBitrateUL:705032704 MaxBitrateDL:705032704 StartUL:0 StartDL:0}
eupf-1 | 2024/03/05 08:35:01 INF Saving QER info to session: 4117, {GateStatusUL:0 GateStatusDL:0 Qfi:5 MaxBitrateUL:0 MaxBitrateDL:0 StartUL:0 StartDL:0}
eupf-1 | 2024/03/05 08:35:01 DBG EBPF: Put QER: internalId=2, qerInfo={GateStatusUL:0 GateStatusDL:0 Qfi:5 MaxBitrateUL:0 MaxBitrateDL:0 StartUL:0 StartDL:0}
eupf-1 | 2024/03/05 08:35:01 DBG EBPF: Put PDR Uplink: teid=1, pdrInfo={OuterHeaderRemoval:1 FarId:3 QerId:1 SdfFilter:{Protocol:1 SrcAddress:{Type:0 Ip:<nil> Mask:<nil>} SrcPortRange:{LowerBound:0 UpperBound:65535} DstAddress:{Type:0 Ip:<nil> Mask:<nil>} DstPortRange:{LowerBound:0 UpperBound:65535}}}
eupf-1 | 2024/03/05 08:35:01 ERR SDFFilter err: SDF Filter: bad formatting. Should be compatible with regexp: ^permit out (icmp|ip|tcp|udp|\d+) from (any|[\d.]+|[\da-fA-F:]+)(?:/(\d+))?(?: (\d+|\d+-\d+))? to (assigned|any|[\d.]+|[\da-fA-F:]+)(?:/(\d+))?(?: (\d+|\d+-\d+))?$
eupf-1 | 2024/03/05 08:35:01 ERR error extracting PDR info: SDF Filter: bad formatting. Should be compatible with regexp: ^permit out (icmp|ip|tcp|udp|\d+) from (any|[\d.]+|[\da-fA-F:]+)(?:/(\d+))?(?: (\d+|\d+-\d+))? to (assigned|any|[\d.]+|[\da-fA-F:]+)(?:/(\d+))?(?: (\d+|\d+-\d+))?$
eupf-1 | 2024/03/05 08:35:01 INF Session Establishment Request from 10.246.112.62 accepted.
eupf-1 | 2024/03/05 08:35:01 Matched groups: [permit out ip from any to any ip any any ]
eupf-1 | 2024/03/05 08:35:01 Matched groups: []
BR
Howard</div>
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