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[PFCP] Support associating multiple URRs to a PDR (#1456)

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* [PFCP] Fix trailing whitespace in message generation files

* [PFCP] message gen: Support multiple URR ID IEs in Create PDR group

* [PFCP] Support associating multiple URRs to a PDR

According to 3GPP TS 29.244:
"""
A PDR shall contain:
- zero, one or more URRs, which contains instructions related to traffic measurement and reporting.
"""
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Pau Espin Pedrol 2022-03-28 14:56:58 +02:00 • committed by GitHub
parent 825b06b6e0
commit 4b8d3a845a
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8 changed files with 59 additions and 38 deletions
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5
lib/pfcp/support/cache/tlv-group-list.py vendored
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@ -14,7 +14,8 @@ ies.append({ "ie_type" : "Precedence", "ie_value" : "Precedence", "presence" : "
ies.append({ "ie_type" : "PDI", "ie_value" : "PDI", "presence" : "M", "tlv_more" : "0", "comment" : "This IE shall contain the PDI against which incoming packets will be matched.See Table 7.5.2.2-2."})
ies.append({ "ie_type" : "Outer Header Removal", "ie_value" : "Outer Header Removal", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall be present if the UP function is required to remove one or more outer header(s) from the packets matching this PDR."})
ies.append({ "ie_type" : "FAR ID", "ie_value" : "FAR ID", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall be present if the Activate Predefined Rules IE is not included or if it is included but it does not result in activating a predefined FAR, and if the MAR ID is not included.When present this IE shall contain the FAR ID to be associated to the PDR."})
ies.append({ "ie_type" : "URR ID", "ie_value" : "URR ID", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall be present if a measurement action shall be applied to packets matching this PDR.When present, this IE shall contain the URR IDs to be associated to the PDR.Several IEs within the same IE type may be present to represent a list of URRs to be associated to the PDR."})
type_list["URR ID"]["max_tlv_more"] = "7"
ies.append({ "ie_type" : "URR ID", "ie_value" : "URR ID", "presence" : "C", "tlv_more" : "7", "comment" : "This IE shall be present if a measurement action shall be applied to packets matching this PDR.When present, this IE shall contain the URR IDs to be associated to the PDR.Several IEs within the same IE type may be present to represent a list of URRs to be associated to the PDR."})
ies.append({ "ie_type" : "QER ID", "ie_value" : "QER ID", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall be present if a QoS enforcement or QoS marking action shall be applied to packets matching this PDR.When present, this IE shall contain the QER IDs to be associated to the PDR. Several IEs within the same IE type may be present to represent a list of QERs to be associated to the PDR."})
ies.append({ "ie_type" : "Activate Predefined Rules", "ie_value" : "Activate Predefined Rules", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall be present if Predefined Rule(s) shall be activated for this PDR. When present this IE shall contain one Predefined Rules name.Several IEs with the same IE type may be present to represent multiple Activate Predefined Rules names."})
ies.append({ "ie_type" : "Activation Time", "ie_value" : "Activation Time", "presence" : "O", "tlv_more" : "0", "comment" : "This IE may be present if the PDR activation shall be deferred. (NOTE 1)"})
@ -143,7 +144,7 @@ ies = []
ies.append({ "ie_type" : "FAR ID", "ie_value" : "FAR ID", "presence" : "M", "tlv_more" : "0", "comment" : "This IE shall uniquely identify the FAR among all the FARs configured for this PFCP session. "})
ies.append({ "ie_type" : "Weight", "ie_value" : "Weight", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall be present if steering mode is set to Load Balancing to identify the weight of the FAR.(NOTE 1) "})
ies.append({ "ie_type" : "Priority", "ie_value" : "Priority", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall be present if the steering mode is set to Active-Standby or Priority-based. (NOTE 2)"})
ies.append({ "ie_type" : "URR ID", "ie_value" : "URR ID", "presence" : "C", "tlv_more" : "0", "comment" : "This IE shall uniquely identify the URR among all the URRs configured for the PFCP session. This enables the SMF to request separate usage reports for different FARs (i.e. different accesses) (NOTE 3)Several IEs within the same IE type may be present to represent a list of URRs to be associated to the FAR."})
ies.append({ "ie_type" : "URR ID", "ie_value" : "URR ID", "presence" : "C", "tlv_more" : "7", "comment" : "This IE shall uniquely identify the URR among all the URRs configured for the PFCP session. This enables the SMF to request separate usage reports for different FARs (i.e. different accesses) (NOTE 3)Several IEs within the same IE type may be present to represent a list of URRs to be associated to the FAR."})
group_list["Access Forwarding Action Information 1"] = { "index" : "266", "type" : "166", "ies" : ies }
group_list["Access Forwarding Action Information 2"] = { "index" : "267", "type" : "167", "ies" : ies }
ies = []