Dhcp6Dxe

Overview

DHCPv6 DXE Driver from AmiNetworkPkg/UefiNetworkStack/Ipv6/Dhcp6Dxe/. Implements EFI_DHCP6_PROTOCOL and EFI_DHCP6_SERVICE_BINDING_PROTOCOL to provide DHCPv6 client functionality for the UEFI network stack. Handles DHCPv6 Solicit/Advertise/Request/Reply message exchanges, IA_NA (Identity Association for Non-temporary Addresses) option processing, and SolRetrans timer-based retransmission per RFC 3315. Contains 130 total functions across source files Dhcp6Driver.c, Dhcp6Impl.c, Dhcp6Io.c, and Dhcp6Utility.c.

Key Functions

• Dhcp6DriverEntryPoint: UEFI driver entry point; installs driver binding protocol.
• Dhcp6DriverBindingSupported/Start/Stop: Standard UEFI driver binding for DHCP6 service.
• Dhcp6CreateService/Dhcp6DestroyService: Service instance lifecycle management.
• Dhcp6Solicit: Transmit DHCPv6 Solicit message and process Advertise responses.
• Dhcp6Request: Transmit DHCPv6 Request and process Reply.
• Dhcp6Receive: Process incoming DHCPv6 messages with option validation.
• Dhcp6Retransmit: SolRetrans timer-based retransmission handler.

Dependencies

• Ip6Dxe, Udp6Dxe: IPv6 and UDP6 protocols for network I/O
• DxeNetLib: NET_BUF, linked list, and buffer management
• DxeUdpIoLib: IpIo library for UDP/IP abstraction
• DxeDpcLib: Deferred procedure call support
• Consumed by: Network consumers requiring DHCPv6 address assignment in UEFI

Platform

Intel Purley (HR650X server platform), x86-64, PE32+ format, 6 sections (.text, .rdata, .data, section_3, .xdata, .reloc)