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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7290 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jgong5
2009-01-16 00:09:52 +00:00
parent be973ff7f3
commit 3e8c18da04
46 changed files with 1544 additions and 2021 deletions
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199
MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c
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@@ -1,6 +1,7 @@
/** @file
Copyright (c) 2006 - 2008, Intel Corporation
This file implement the EFI_DHCP4_PROTOCOL interface.
Copyright (c) 2006 - 2008, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -9,15 +10,6 @@ http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Dhcp4Impl.c
Abstract:
This file implement the EFI_DHCP4_PROTOCOL interface.
**/
@@ -29,8 +21,8 @@ Abstract:
The GetModeData() function returns the current operating mode and cached data
packet for the EFI DHCPv4 Protocol driver.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param Dhcp4ModeData Pointer to storage for the EFI_DHCP4_MODE_DATA structure.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[out] Dhcp4ModeData Pointer to storage for the EFI_DHCP4_MODE_DATA structure.
@retval EFI_SUCCESS The mode data was returned.
@retval EFI_INVALID_PARAMETER This is NULL.
@@ -69,8 +61,8 @@ EfiDhcp4GetModeData (
wants to make it possible for another instance to configure the EFI DHCPv4 Protocol
driver, it must call this function with Dhcp4CfgData set to NULL.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param Dhcp4CfgData Pointer to the EFI_DHCP4_CONFIG_DATA.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] Dhcp4CfgData Pointer to the EFI_DHCP4_CONFIG_DATA.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init or
Dhcp4InitReboot state, if the original state of this driver
@@ -109,14 +101,14 @@ EfiDhcp4Configure (
by EFI_DHCP4_PROTOCOL.Configure() will be called and the user can take this
opportunity to control the process.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param CompletionEvent If not NULL, indicates the event that will be signaled when the
EFI DHCPv4 Protocol driver is transferred into the
Dhcp4Bound state or when the DHCP process is aborted.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.Start() will wait until the driver
is transferred into the Dhcp4Bound state or the process fails.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] CompletionEvent If not NULL, indicates the event that will be signaled when the
EFI DHCPv4 Protocol driver is transferred into the
Dhcp4Bound state or when the DHCP process is aborted.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.Start() will wait until the driver
is transferred into the Dhcp4Bound state or the process fails.
@retval EFI_SUCCESS The DHCP configuration process has started, or it has completed
when CompletionEvent is NULL.
@@ -154,16 +146,16 @@ EfiDhcp4Start (
state and the previous configuration is restored. The outgoing and incoming packets
can be captured by the EFI_DHCP4_CALLBACK function.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param RebindRequest If TRUE, this function broadcasts the request packets and enters
the Dhcp4Rebinding state. Otherwise, it sends a unicast
request packet and enters the Dhcp4Renewing state.
@param CompletionEvent If not NULL, this event is signaled when the renew/rebind phase
completes or some error occurs.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.RenewRebind() will busy-wait
until the DHCP process finishes.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] RebindRequest If TRUE, this function broadcasts the request packets and enters
the Dhcp4Rebinding state. Otherwise, it sends a unicast
request packet and enters the Dhcp4Renewing state.
@param[in] CompletionEvent If not NULL, this event is signaled when the renew/rebind phase
completes or some error occurs.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.RenewRebind() will busy-wait
until the DHCP process finishes.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the
Dhcp4Renewing state or is back to the Dhcp4Bound state.
@@ -198,7 +190,7 @@ EfiDhcp4RenewRebind (
After a successful call to this function, the EFI DHCPv4 Protocol driver returns
to the Dhcp4Init state and any subsequent incoming packets will be discarded silently.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init phase.
@retval EFI_INVALID_PARAMETER This is NULL.
@@ -221,7 +213,7 @@ EfiDhcp4Release (
before DHCP configuration process can be started again. This function can be
called when the EFI DHCPv4 Protocol driver is in any state.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Stopped phase.
@retval EFI_INVALID_PARAMETER This is NULL.
@@ -241,19 +233,19 @@ EfiDhcp4Stop (
does not change any state of the EFI DHCPv4 Protocol driver and can be used at
any time.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param SeedPacket Initial packet to be used as a base for building new packet.
@param DeleteCount Number of opcodes in the DeleteList.
@param DeleteList List of opcodes to be deleted from the seed packet.
Ignored if DeleteCount is zero.
@param AppendCount Number of entries in the OptionList.
@param AppendList Pointer to a DHCP option list to be appended to SeedPacket.
If SeedPacket also contains options in this list, they are
replaced by new options (except pad option). Ignored if
AppendCount is zero. Type EFI_DHCP4_PACKET_OPTION
@param NewPacket Pointer to storage for the pointer to the new allocated packet.
Use the EFI Boot Service FreePool() on the resulting pointer
when done with the packet.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] SeedPacket Initial packet to be used as a base for building new packet.
@param[in] DeleteCount Number of opcodes in the DeleteList.
@param[in] DeleteList List of opcodes to be deleted from the seed packet.
Ignored if DeleteCount is zero.
@param[in] AppendCount Number of entries in the OptionList.
@param[in] AppendList Pointer to a DHCP option list to be appended to SeedPacket.
If SeedPacket also contains options in this list, they are
replaced by new options (except pad option). Ignored if
AppendCount is zero. Type EFI_DHCP4_PACKET_OPTION
@param[out] NewPacket Pointer to storage for the pointer to the new allocated packet.
Use the EFI Boot Service FreePool() on the resulting pointer
when done with the packet.
@retval EFI_SUCCESS The new packet was built.
@retval EFI_OUT_OF_RESOURCES Storage for the new packet could not be allocated.
@@ -272,15 +264,15 @@ EfiDhcp4Build (
OUT EFI_DHCP4_PACKET **NewPacket
);
/**
/**
Transmits a DHCP formatted packet and optionally waits for responses.
The TransmitReceive() function is used to transmit a DHCP packet and optionally
wait for the response from servers. This function does not change the state of
the EFI DHCPv4 Protocol driver and thus can be used at any time.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param Token Pointer to the EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN structure.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] Token Pointer to the EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN structure.
@retval EFI_SUCCESS The packet was successfully queued for transmission.
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
@@ -352,8 +344,8 @@ EFI_DHCP4_PROTOCOL mDhcp4ProtocolTemplate = {
The GetModeData() function returns the current operating mode and cached data
packet for the EFI DHCPv4 Protocol driver.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param Dhcp4ModeData Pointer to storage for the EFI_DHCP4_MODE_DATA structure.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[out] Dhcp4ModeData Pointer to storage for the EFI_DHCP4_MODE_DATA structure.
@retval EFI_SUCCESS The mode data was returned.
@retval EFI_INVALID_PARAMETER This is NULL.
@@ -426,8 +418,6 @@ EfiDhcp4GetModeData (
@param Config The DHCP configure data
@return None
**/
VOID
DhcpCleanConfigure (
@@ -462,8 +452,8 @@ DhcpCleanConfigure (
Allocate memory for configure parameter such as timeout value for Dst,
then copy the configure parameter from Src to Dst.
@param Dst The destination DHCP configure data.
@param Src The source DHCP configure data.
@param[out] Dst The destination DHCP configure data.
@param[in] Src The source DHCP configure data.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_SUCCESS The configure is copied.
@@ -560,8 +550,6 @@ ON_ERROR:
@param DhcpSb The DHCP service instance.
@return None
**/
VOID
DhcpYieldControl (
@@ -620,8 +608,8 @@ DhcpYieldControl (
wants to make it possible for another instance to configure the EFI DHCPv4 Protocol
driver, it must call this function with Dhcp4CfgData set to NULL.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param Dhcp4CfgData Pointer to the EFI_DHCP4_CONFIG_DATA.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] Dhcp4CfgData Pointer to the EFI_DHCP4_CONFIG_DATA.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init or
Dhcp4InitReboot state, if the original state of this driver
@@ -761,14 +749,14 @@ ON_EXIT:
by EFI_DHCP4_PROTOCOL.Configure() will be called and the user can take this
opportunity to control the process.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param CompletionEvent If not NULL, indicates the event that will be signaled when the
EFI DHCPv4 Protocol driver is transferred into the
Dhcp4Bound state or when the DHCP process is aborted.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.Start() will wait until the driver
is transferred into the Dhcp4Bound state or the process fails.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] CompletionEvent If not NULL, indicates the event that will be signaled when the
EFI DHCPv4 Protocol driver is transferred into the
Dhcp4Bound state or when the DHCP process is aborted.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.Start() will wait until the driver
is transferred into the Dhcp4Bound state or the process fails.
@retval EFI_SUCCESS The DHCP configuration process has started, or it has completed
when CompletionEvent is NULL.
@@ -875,16 +863,16 @@ ON_ERROR:
state and the previous configuration is restored. The outgoing and incoming packets
can be captured by the EFI_DHCP4_CALLBACK function.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param RebindRequest If TRUE, this function broadcasts the request packets and enters
the Dhcp4Rebinding state. Otherwise, it sends a unicast
request packet and enters the Dhcp4Renewing state.
@param CompletionEvent If not NULL, this event is signaled when the renew/rebind phase
completes or some error occurs.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.RenewRebind() will busy-wait
until the DHCP process finishes.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] RebindRequest If TRUE, this function broadcasts the request packets and enters
the Dhcp4Rebinding state. Otherwise, it sends a unicast
request packet and enters the Dhcp4Renewing state.
@param[in] CompletionEvent If not NULL, this event is signaled when the renew/rebind phase
completes or some error occurs.
EFI_DHCP4_PROTOCOL.GetModeData() can be called to
check the completion status. If NULL,
EFI_DHCP4_PROTOCOL.RenewRebind() will busy-wait
until the DHCP process finishes.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the
Dhcp4Renewing state or is back to the Dhcp4Bound state.
@@ -998,7 +986,7 @@ ON_ERROR:
After a successful call to this function, the EFI DHCPv4 Protocol driver returns
to the Dhcp4Init state and any subsequent incoming packets will be discarded silently.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init phase.
@retval EFI_INVALID_PARAMETER This is NULL.
@@ -1071,7 +1059,7 @@ ON_EXIT:
before DHCP configuration process can be started again. This function can be
called when the EFI DHCPv4 Protocol driver is in any state.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Stopped phase.
@retval EFI_INVALID_PARAMETER This is NULL.
@@ -1121,19 +1109,19 @@ EfiDhcp4Stop (
does not change any state of the EFI DHCPv4 Protocol driver and can be used at
any time.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param SeedPacket Initial packet to be used as a base for building new packet.
@param DeleteCount Number of opcodes in the DeleteList.
@param DeleteList List of opcodes to be deleted from the seed packet.
Ignored if DeleteCount is zero.
@param AppendCount Number of entries in the OptionList.
@param AppendList Pointer to a DHCP option list to be appended to SeedPacket.
If SeedPacket also contains options in this list, they are
replaced by new options (except pad option). Ignored if
AppendCount is zero. Type EFI_DHCP4_PACKET_OPTION
@param NewPacket Pointer to storage for the pointer to the new allocated packet.
Use the EFI Boot Service FreePool() on the resulting pointer
when done with the packet.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] SeedPacket Initial packet to be used as a base for building new packet.
@param[in] DeleteCount Number of opcodes in the DeleteList.
@param[in] DeleteList List of opcodes to be deleted from the seed packet.
Ignored if DeleteCount is zero.
@param[in] AppendCount Number of entries in the OptionList.
@param[in] AppendList Pointer to a DHCP option list to be appended to SeedPacket.
If SeedPacket also contains options in this list, they are
replaced by new options (except pad option). Ignored if
AppendCount is zero. Type EFI_DHCP4_PACKET_OPTION
@param[out] NewPacket Pointer to storage for the pointer to the new allocated packet.
Use the EFI Boot Service FreePool() on the resulting pointer
when done with the packet.
@retval EFI_SUCCESS The new packet was built.
@retval EFI_OUT_OF_RESOURCES Storage for the new packet could not be allocated.
@@ -1185,8 +1173,8 @@ EfiDhcp4Build (
/**
Callback by UdpIoCreatePort() when creating UdpIo for this Dhcp4 instance.
@param UdpIo The UdpIo being created.
@param Context Dhcp4 instance.
@param[in] UdpIo The UdpIo being created.
@param[in] Context Dhcp4 instance.
@retval EFI_SUCCESS UdpIo is configured successfully.
@retval other Other error occurs.
@@ -1260,8 +1248,7 @@ Dhcp4InstanceCreateUdpIo (
Callback of Dhcp packet. Does nothing.
@param Arg The context.
@return None.
**/
VOID
DhcpDummyExtFree (
@@ -1281,8 +1268,6 @@ DhcpDummyExtFree (
@param IoStatus Status of the input.
@param Context Extra info for the input.
@return None.
**/
VOID
PxeDhcpInput (
@@ -1385,8 +1370,6 @@ RESTART:
Complete a Dhcp4 transaction and signal the upper layer.
@param Instance Dhcp4 instance.
@return None.
**/
VOID
@@ -1439,8 +1422,8 @@ SIGNAL_USER:
wait for the response from servers. This function does not change the state of
the EFI DHCPv4 Protocol driver and thus can be used at any time.
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param Token Pointer to the EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN structure.
@param[in] This Pointer to the EFI_DHCP4_PROTOCOL instance.
@param[in] Token Pointer to the EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN structure.
@retval EFI_SUCCESS The packet was successfully queued for transmission.
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
@@ -1614,10 +1597,10 @@ ON_ERROR:
EFI_DHCP4_PACKET_OPTION array in the DHCP_PARSE_CONTEXT to point
the individual DHCP option in the packet.
@param Tag The DHCP option type
@param Len Length of the DHCP option data
@param Data The DHCP option data
@param Context The context, to pass several parameters in.
@param[in] Tag The DHCP option type
@param[in] Len Length of the DHCP option data
@param[in] Data The DHCP option data
@param[in] Context The context, to pass several parameters in.
@retval EFI_SUCCESS It always returns EFI_SUCCESS