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Synchronized with UEFI Spec 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7972 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jji4 2009-03-27 07:14:00 +00:00
parent 3d31d868b6
commit 0acd60156c
1 changed files with 26 additions and 16 deletions
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42
MdePkg/Include/Protocol/Dhcp4.h
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@ -148,11 +148,11 @@ typedef enum {
typedef enum{
///
/// A DHCPDISCOVER packet is about to be sent.
/// The packet to start the configuration sequence is about to be sent.
///
Dhcp4SendDiscover = 0x01,
///
/// A DHCPOFFER packet was just received.
/// A reply packet was just received.
///
Dhcp4RcvdOffer = 0x02,
///
@ -225,8 +225,11 @@ typedef enum{
@param NewPacket The packet that is used to replace the above Packet.
@retval EFI_SUCCESS Tells the EFI DHCPv4 Protocol driver to continue the DHCP process.
When it is in the Dhcp4Selecting state, it tells the EFI DHCPv4 Protocol
driver to stop collecting additional packets. The driver will exit
the Dhcp4Selecting state and enter the Dhcp4Requesting state.
@retval EFI_NOT_READY Only used in the Dhcp4Selecting state. The EFI DHCPv4 Protocol
driver will continue to wait for more DHCPOFFER packets until the retry
driver will continue to wait for more packets until the retry
timeout expires.
@retval EFI_ABORTED Tells the EFI DHCPv4 Protocol driver to abort the current process and
return to the Dhcp4Init or Dhcp4InitReboot state.
@ -245,32 +248,35 @@ EFI_STATUS
typedef struct {
///
/// Number of times to try sending DHCPDISCOVER packets and
/// waiting for DHCPOFFER packets before accepting failure.
/// Number of times to try sending a packet during the Dhcp4SendDiscover
/// event and waiting for a response during the Dhcp4RcvdOffer event.
/// Set to zero to use the default try counts and timeout values.
///
UINT32 DiscoverTryCount;
///
/// Maximum amount of time (in seconds) to wait for DHCPOFFER packets in each
/// Maximum amount of time (in seconds) to wait for returned packets in each
/// of the retries. Timeout values of zero will default to a timeout value
/// of one second. Set to NULL to use default timeout values.
///
UINT32 *DiscoverTimeout;
///
/// Number of times to try sending DHCPREQUEST packets and waiting for DHCPACK
/// packets before accepting failure. Set to zero to use the default try counts and timeout values.
/// Number of times to try sending a packet during the Dhcp4SendRequest event
/// and waiting for a response during the Dhcp4RcvdAck event before accepting
/// failure. Set to zero to use the default try counts and timeout values.
///
UINT32 RequestTryCount;
///
/// Maximum amount of time (in seconds) to wait for DHCPACK packets in each of the retries.
/// Maximum amount of time (in seconds) to wait for return packets in each of the retries.
/// Timeout values of zero will default to a timeout value of one second.
/// Set to NULL to use default timeout values.
///
UINT32 *RequestTimeout;
///
/// Setting this parameter to the previously allocated IP address will cause
/// the EFI DHCPv4 Protocol driver to enter the Dhcp4InitReboot state.
/// Set this field to 0.0.0.0 to enter the Dhcp4Init state.
/// For a DHCPDISCOVER, setting this parameter to the previously allocated IP
/// address will cause the EFI DHCPv4 Protocol driver to enter the Dhcp4InitReboot state.
/// And set this field to 0.0.0.0 to enter the Dhcp4Init state.
/// For a DHCPINFORM this parameter should be set to the client network address
/// which was assigned to the client during a DHCPDISCOVER.
///
EFI_IPv4_ADDRESS ClientAddress;
///
@ -287,8 +293,11 @@ typedef struct {
///
UINT32 OptionCount;
///
/// List of DHCP options to be included in every DHCPDISCOVER packet and
/// subsequent DHCPREQUEST packet that is generated from DHCPOFFER packets.
/// List of DHCP options to be included in every packet that is sent during the
/// Dhcp4SendDiscover event. Pad options are appended automatically by DHCP driver
/// in outgoing DHCP packets. If OptionList itself contains pad option, they are
/// ignored by the driver. OptionList can be freed after EFI_DHCP4_PROTOCOL.Configure()
/// returns. Ignored if OptionCount is zero.
///
EFI_DHCP4_PACKET_OPTION **OptionList;
} EFI_DHCP4_CONFIG_DATA;
@ -457,8 +466,9 @@ EFI_STATUS
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init or
Dhcp4InitReboot state, if the original state of this driver
was Dhcp4Stopped and the value of Dhcp4CfgData was
not NULL. Otherwise, the state was left unchanged.
was Dhcp4Stopped, Dhcp4Init,Dhcp4InitReboot, or Dhcp4Bound
and the value of Dhcp4CfgData was not NULL.
Otherwise, the state was left unchanged.
@retval EFI_ACCESS_DENIED This instance of the EFI DHCPv4 Protocol driver was not in the
Dhcp4Stopped, Dhcp4Init, Dhcp4InitReboot, or Dhcp4Bound state;
Or onother instance of this EFI DHCPv4 Protocol driver is already