Dhcp4Dxe

Index	Module	Size	Phase
148	Dhcp4Dxe	43,040 bytes (42 KB)	Decompiled

Dhcp4Dxe implements the DHCPv4 protocol driver for the AMI UEFI network stack. It provides the EFI_DHCP4_PROTOCOL and EFI_DHCP4_SERVICE_BINDING_PROTOCOL interfaces, managing the full DHCP state machine including discover, offer, request, acknowledge, renew, rebind, and release sequences. The driver handles PXE boot server discovery, DHCP option parsing and building, UDP transport via the UdpIo library, and a timer-driven retry mechanism.

Key Functions

ModuleEntryPoint, Dhcp4DriverSupported, Dhcp4DriverStart, Dhcp4DriverStop
Dhcp4ServiceBindingCreateChild, Dhcp4ServiceBindingDestroyChild
Dhcp4GetModeData, Dhcp4Configure, Dhcp4Initialize, Dhcp4RenewRebind
Dhcp4Release, Dhcp4Stop, Dhcp4Build, Dhcp4TransmitReceive, Dhcp4Parse
Dhcp4SendMessage, Dhcp4RxCallback, Dhcp4ReceiveDpc, Dhcp4TimerNotify

Dependencies

EFI_DHCP4_PROTOCOL, EFI_DHCP4_SERVICE_BINDING_PROTOCOL
DxeNetLib, DxeUdpIoLib, DxeDpcLib, UefiLib, BaseLib, BaseMemoryLib

Platform

x86-64, PE32+, UEFI DXE driver, 6 sections (.text/.rdata/.data/section_3/.xdata/.reloc), entry at 0x528