Intel Extensible Firmware Interface - Manual (Page 612)

Extensible Firmware Interface Specification
15-6 12/01/02 Version 1.10
EFI_SIMPLE_NETWORK.Start()
Summary
Changes the state of a network interface from “stopped” to “started.”
Prototype
EFI_STATUS
(EFIAPI *EFI_SIMPLE_NETWORK_START) (
IN EFI_SIMPLE_NETWORK *This
);
Parameters
This A pointer to the EFI_SIMPLE_NETWORK instance.
Description
This function starts a network interface. If the network interface was successfully started, then
EFI_SUCCESS will be returned.
Status Codes Returned
EFI_SUCCESS The network interface was started.
EFI_ALREADY_STARTED The network interface is already in the started state.
EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
EFI_DEVICE_ERROR The command could not be sent to the network interface.
EFI_UNSUPPORTED This function is not supported by the network interface.