v1.1.9

Introduce CG-NAT functionality to UPG

• Ability to allocate and manage NAT Pools
• UE IP Address pool information IE to communicate NAT Pools to SMC
• BBF PFCP IEs to manage NAT Pool lookup and applying NAT to given UE IP
• UPG can manage NAT bindings configured for VPP NAT plugin
• VPP NAT: Override ED-NAT slow-path address and port allocation in respect to NAT binding created for given user address

Per NAT pool metrics exposed through binary API

• NAT Pool name
• Network instance name
• Port Block size
• Maximum number of bindings
• Current amount of allocated bindings

Changelog

Features 🚀

• #123 [stable backport] [UPG-NAT] Controlled NAT-Function
• #139 [Stable] [Backport] [UPG-NAT] Per pool stats binary API

Fixes 🐛

• #134 [Stable] [Backport] Don't reject duplicate FARs with NAT for same UE IP
• #143 [Stable] [Backport] Fix memleak in BBF FAR processing and port range calculation for binding
• #149 [Stable] [Backport] Fix wrong message field termination

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