mirror of https://github.com/acidanthera/audk.git
856 lines
33 KiB
C
856 lines
33 KiB
C
/** @file
|
|
Declaration of structures and functions of MnpDxe driver.
|
|
|
|
Copyright (c) 2005 - 2010, 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<BR>
|
|
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.
|
|
|
|
**/
|
|
|
|
#ifndef _MNP_IMPL_H_
|
|
#define _MNP_IMPL_H_
|
|
|
|
#include "MnpDriver.h"
|
|
|
|
#define NET_ETHER_FCS_SIZE 4
|
|
|
|
#define MNP_SYS_POLL_INTERVAL (10 * TICKS_PER_MS) // 10 milliseconds
|
|
#define MNP_TIMEOUT_CHECK_INTERVAL (50 * TICKS_PER_MS) // 50 milliseconds
|
|
#define MNP_MEDIA_DETECT_INTERVAL (500 * TICKS_PER_MS) // 500 milliseconds
|
|
#define MNP_TX_TIMEOUT_TIME (500 * TICKS_PER_MS) // 500 milliseconds
|
|
#define MNP_INIT_NET_BUFFER_NUM 512
|
|
#define MNP_NET_BUFFER_INCREASEMENT 64
|
|
#define MNP_MAX_NET_BUFFER_NUM 65536
|
|
|
|
#define MNP_MAX_RCVD_PACKET_QUE_SIZE 256
|
|
|
|
#define MNP_RECEIVE_UNICAST 0x01
|
|
#define MNP_RECEIVE_BROADCAST 0x02
|
|
|
|
#define UNICAST_PACKET MNP_RECEIVE_UNICAST
|
|
#define BROADCAST_PACKET MNP_RECEIVE_BROADCAST
|
|
|
|
#define MNP_INSTANCE_DATA_SIGNATURE SIGNATURE_32 ('M', 'n', 'p', 'I')
|
|
|
|
#define MNP_INSTANCE_DATA_FROM_THIS(a) \
|
|
CR ( \
|
|
(a), \
|
|
MNP_INSTANCE_DATA, \
|
|
ManagedNetwork, \
|
|
MNP_INSTANCE_DATA_SIGNATURE \
|
|
)
|
|
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
|
|
MNP_SERVICE_DATA *MnpServiceData;
|
|
|
|
EFI_HANDLE Handle;
|
|
|
|
LIST_ENTRY InstEntry;
|
|
|
|
EFI_MANAGED_NETWORK_PROTOCOL ManagedNetwork;
|
|
|
|
BOOLEAN Configured;
|
|
BOOLEAN Destroyed;
|
|
|
|
LIST_ENTRY GroupCtrlBlkList;
|
|
|
|
NET_MAP RxTokenMap;
|
|
|
|
LIST_ENTRY RxDeliveredPacketQueue;
|
|
LIST_ENTRY RcvdPacketQueue;
|
|
UINTN RcvdPacketQueueSize;
|
|
|
|
EFI_MANAGED_NETWORK_CONFIG_DATA ConfigData;
|
|
|
|
UINT8 ReceiveFilter;
|
|
} MNP_INSTANCE_DATA;
|
|
|
|
typedef struct {
|
|
LIST_ENTRY AddrEntry;
|
|
EFI_MAC_ADDRESS Address;
|
|
INTN RefCnt;
|
|
} MNP_GROUP_ADDRESS;
|
|
|
|
typedef struct {
|
|
LIST_ENTRY CtrlBlkEntry;
|
|
MNP_GROUP_ADDRESS *GroupAddress;
|
|
} MNP_GROUP_CONTROL_BLOCK;
|
|
|
|
typedef struct {
|
|
LIST_ENTRY WrapEntry;
|
|
MNP_INSTANCE_DATA *Instance;
|
|
EFI_MANAGED_NETWORK_RECEIVE_DATA RxData;
|
|
NET_BUF *Nbuf;
|
|
UINT64 TimeoutTick;
|
|
} MNP_RXDATA_WRAP;
|
|
|
|
|
|
/**
|
|
Initialize the mnp device context data.
|
|
|
|
@param[in, out] MnpDeviceData Pointer to the mnp device context data.
|
|
@param[in] ImageHandle The driver image handle.
|
|
@param[in] ControllerHandle Handle of device to bind driver to.
|
|
|
|
@retval EFI_SUCCESS The mnp service context is initialized.
|
|
@retval EFI_UNSUPPORTED ControllerHandle does not support Simple Network Protocol.
|
|
@retval Others Other errors as indicated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpInitializeDeviceData (
|
|
IN OUT MNP_DEVICE_DATA *MnpDeviceData,
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_HANDLE ControllerHandle
|
|
);
|
|
|
|
/**
|
|
Destroy the MNP device context data.
|
|
|
|
@param[in, out] MnpDeviceData Pointer to the mnp device context data.
|
|
@param[in] ImageHandle The driver image handle.
|
|
|
|
**/
|
|
VOID
|
|
MnpDestroyDeviceData (
|
|
IN OUT MNP_DEVICE_DATA *MnpDeviceData,
|
|
IN EFI_HANDLE ImageHandle
|
|
);
|
|
|
|
/**
|
|
Create mnp service context data.
|
|
|
|
@param[in] MnpDeviceData Pointer to the mnp device context data.
|
|
@param[in] VlanId The VLAN ID.
|
|
@param[in] Priority The VLAN priority. If VlanId is 0,
|
|
Priority is ignored.
|
|
|
|
@return A pointer to MNP_SERVICE_DATA or NULL if failed to create MNP service context.
|
|
|
|
**/
|
|
MNP_SERVICE_DATA *
|
|
MnpCreateServiceData (
|
|
IN MNP_DEVICE_DATA *MnpDeviceData,
|
|
IN UINT16 VlanId,
|
|
IN UINT8 Priority OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Initialize the mnp service context data.
|
|
|
|
@param[in, out] MnpServiceData Pointer to the mnp service context data.
|
|
@param[in] ImageHandle The driver image handle.
|
|
@param[in] ControllerHandle Handle of device to bind driver to.
|
|
|
|
@retval EFI_SUCCESS The mnp service context is initialized.
|
|
@retval EFI_UNSUPPORTED ControllerHandle does not support Simple Network Protocol.
|
|
@retval Others Other errors as indicated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpInitializeServiceData (
|
|
IN OUT MNP_SERVICE_DATA *MnpServiceData,
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_HANDLE ControllerHandle
|
|
);
|
|
|
|
/**
|
|
Destroy the MNP service context data.
|
|
|
|
@param[in, out] MnpServiceData Pointer to the mnp service context data.
|
|
|
|
@retval EFI_SUCCESS The mnp service context is destroyed.
|
|
@retval Others Errors as indicated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpDestroyServiceData (
|
|
IN OUT MNP_SERVICE_DATA *MnpServiceData
|
|
);
|
|
|
|
/**
|
|
Destroy all child of the MNP service data.
|
|
|
|
@param[in, out] MnpServiceData Pointer to the mnp service context data.
|
|
|
|
@retval EFI_SUCCESS All child are destroyed.
|
|
@retval Others Failed to destroy all child.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpDestroyServiceChild (
|
|
IN OUT MNP_SERVICE_DATA *MnpServiceData
|
|
);
|
|
|
|
/**
|
|
Find the MNP Service Data for given VLAN ID.
|
|
|
|
@param[in] MnpDeviceData Pointer to the mnp device context data.
|
|
@param[in] VlanId The VLAN ID.
|
|
|
|
@return A pointer to MNP_SERVICE_DATA or NULL if not found.
|
|
|
|
**/
|
|
MNP_SERVICE_DATA *
|
|
MnpFindServiceData (
|
|
IN MNP_DEVICE_DATA *MnpDeviceData,
|
|
IN UINT16 VlanId
|
|
);
|
|
|
|
/**
|
|
Initialize the mnp instance context data.
|
|
|
|
@param[in] MnpServiceData Pointer to the mnp service context data.
|
|
@param[in, out] Instance Pointer to the mnp instance context data
|
|
to initialize.
|
|
|
|
**/
|
|
VOID
|
|
MnpInitializeInstanceData (
|
|
IN MNP_SERVICE_DATA *MnpServiceData,
|
|
IN OUT MNP_INSTANCE_DATA *Instance
|
|
);
|
|
|
|
/**
|
|
Check whether the token specified by Arg matches the token in Item.
|
|
|
|
@param[in] Map Pointer to the NET_MAP.
|
|
@param[in] Item Pointer to the NET_MAP_ITEM.
|
|
@param[in] Arg Pointer to the Arg, it's a pointer to the token to
|
|
check.
|
|
|
|
@retval EFI_SUCCESS The token specified by Arg is different from the
|
|
token in Item.
|
|
@retval EFI_ACCESS_DENIED The token specified by Arg is the same as that in
|
|
Item.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpTokenExist (
|
|
IN NET_MAP *Map,
|
|
IN NET_MAP_ITEM *Item,
|
|
IN VOID *Arg
|
|
);
|
|
|
|
/**
|
|
Cancel the token specified by Arg if it matches the token in Item.
|
|
|
|
@param[in, out] Map Pointer to the NET_MAP.
|
|
@param[in, out] Item Pointer to the NET_MAP_ITEM.
|
|
@param[in] Arg Pointer to the Arg, it's a pointer to the
|
|
token to cancel.
|
|
|
|
@retval EFI_SUCCESS The Arg is NULL, and the token in Item is cancelled,
|
|
or the Arg isn't NULL, and the token in Item is
|
|
different from the Arg.
|
|
@retval EFI_ABORTED The Arg isn't NULL, the token in Item mathces the
|
|
Arg, and the token is cancelled.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpCancelTokens (
|
|
IN OUT NET_MAP *Map,
|
|
IN OUT NET_MAP_ITEM *Item,
|
|
IN VOID *Arg
|
|
);
|
|
|
|
/**
|
|
Flush the instance's received data.
|
|
|
|
@param[in, out] Instance Pointer to the mnp instance context data.
|
|
|
|
**/
|
|
VOID
|
|
MnpFlushRcvdDataQueue (
|
|
IN OUT MNP_INSTANCE_DATA *Instance
|
|
);
|
|
|
|
/**
|
|
Configure the Instance using ConfigData.
|
|
|
|
@param[in, out] Instance Pointer to the mnp instance context data.
|
|
@param[in] ConfigData Pointer to the configuration data used to configure
|
|
the isntance.
|
|
|
|
@retval EFI_SUCCESS The Instance is configured.
|
|
@retval EFI_UNSUPPORTED EnableReceiveTimestamps is on and the
|
|
implementation doesn't support it.
|
|
@retval Others Other errors as indicated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpConfigureInstance (
|
|
IN OUT MNP_INSTANCE_DATA *Instance,
|
|
IN EFI_MANAGED_NETWORK_CONFIG_DATA *ConfigData OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Do the group operations for this instance.
|
|
|
|
@param[in, out] Instance Pointer to the instance context data.
|
|
@param[in] JoinFlag Set to TRUE to join a group. Set to TRUE to
|
|
leave a group/groups.
|
|
@param[in] MacAddress Pointer to the group address to join or leave.
|
|
@param[in] CtrlBlk Pointer to the group control block if JoinFlag
|
|
is FALSE.
|
|
|
|
@retval EFI_SUCCESS The group operation finished.
|
|
@retval EFI_OUT_OF_RESOURCES Failed due to lack of memory resources.
|
|
@retval Others Other errors as indicated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpGroupOp (
|
|
IN OUT MNP_INSTANCE_DATA *Instance,
|
|
IN BOOLEAN JoinFlag,
|
|
IN EFI_MAC_ADDRESS *MacAddress OPTIONAL,
|
|
IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Validates the Mnp transmit token.
|
|
|
|
@param[in] Instance Pointer to the Mnp instance context data.
|
|
@param[in] Token Pointer to the transmit token to check.
|
|
|
|
@return The Token is valid or not.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MnpIsValidTxToken (
|
|
IN MNP_INSTANCE_DATA *Instance,
|
|
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token
|
|
);
|
|
|
|
/**
|
|
Build the packet to transmit from the TxData passed in.
|
|
|
|
@param[in] MnpServiceData Pointer to the mnp service context data.
|
|
@param[in] TxData Pointer to the transmit data containing the information
|
|
to build the packet.
|
|
@param[out] PktBuf Pointer to record the address of the packet.
|
|
@param[out] PktLen Pointer to a UINT32 variable used to record the packet's
|
|
length.
|
|
|
|
**/
|
|
VOID
|
|
MnpBuildTxPacket (
|
|
IN MNP_SERVICE_DATA *MnpServiceData,
|
|
IN EFI_MANAGED_NETWORK_TRANSMIT_DATA *TxData,
|
|
OUT UINT8 **PktBuf,
|
|
OUT UINT32 *PktLen
|
|
);
|
|
|
|
/**
|
|
Synchronously send out the packet.
|
|
|
|
@param[in] MnpServiceData Pointer to the mnp service context data.
|
|
@param[in] Packet Pointer to the pakcet buffer.
|
|
@param[in] Length The length of the packet.
|
|
@param[in, out] Token Pointer to the token the packet generated from.
|
|
|
|
@retval EFI_SUCCESS The packet is sent out.
|
|
@retval EFI_TIMEOUT Time out occurs, the packet isn't sent.
|
|
@retval EFI_DEVICE_ERROR An unexpected network error occurs.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpSyncSendPacket (
|
|
IN MNP_SERVICE_DATA *MnpServiceData,
|
|
IN UINT8 *Packet,
|
|
IN UINT32 Length,
|
|
IN OUT EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token
|
|
);
|
|
|
|
/**
|
|
Try to deliver the received packet to the instance.
|
|
|
|
@param[in, out] Instance Pointer to the mnp instance context data.
|
|
|
|
@retval EFI_SUCCESS The received packet is delivered, or there is no
|
|
packet to deliver, or there is no available receive
|
|
token.
|
|
@retval EFI_OUT_OF_RESOURCES The deliver fails due to lack of memory resource.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpInstanceDeliverPacket (
|
|
IN OUT MNP_INSTANCE_DATA *Instance
|
|
);
|
|
|
|
/**
|
|
Recycle the RxData and other resources used to hold and deliver the received
|
|
packet.
|
|
|
|
@param[in] Event The event this notify function registered to.
|
|
@param[in] Context Pointer to the context data registerd to the Event.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
MnpRecycleRxData (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Try to receive a packet and deliver it.
|
|
|
|
@param[in, out] MnpDeviceData Pointer to the mnp device context data.
|
|
|
|
@retval EFI_SUCCESS add return value to function comment
|
|
@retval EFI_NOT_STARTED The simple network protocol is not started.
|
|
@retval EFI_NOT_READY No packet received.
|
|
@retval EFI_DEVICE_ERROR An unexpected error occurs.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpReceivePacket (
|
|
IN OUT MNP_DEVICE_DATA *MnpDeviceData
|
|
);
|
|
|
|
/**
|
|
Allocate a free NET_BUF from MnpDeviceData->FreeNbufQue. If there is none
|
|
in the queue, first try to allocate some and add them into the queue, then
|
|
fetch the NET_BUF from the updated FreeNbufQue.
|
|
|
|
@param[in, out] MnpDeviceData Pointer to the MNP_DEVICE_DATA.
|
|
|
|
@return Pointer to the allocated free NET_BUF structure, if NULL the
|
|
operation is failed.
|
|
|
|
**/
|
|
NET_BUF *
|
|
MnpAllocNbuf (
|
|
IN OUT MNP_DEVICE_DATA *MnpDeviceData
|
|
);
|
|
|
|
/**
|
|
Try to reclaim the Nbuf into the buffer pool.
|
|
|
|
@param[in, out] MnpDeviceData Pointer to the mnp device context data.
|
|
@param[in, out] Nbuf Pointer to the NET_BUF to free.
|
|
|
|
**/
|
|
VOID
|
|
MnpFreeNbuf (
|
|
IN OUT MNP_DEVICE_DATA *MnpDeviceData,
|
|
IN OUT NET_BUF *Nbuf
|
|
);
|
|
|
|
/**
|
|
Remove the received packets if timeout occurs.
|
|
|
|
@param[in] Event The event this notify function registered to.
|
|
@param[in] Context Pointer to the context data registered to the event.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
MnpCheckPacketTimeout (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Poll to update MediaPresent field in SNP ModeData by Snp.GetStatus().
|
|
|
|
@param[in] Event The event this notify function registered to.
|
|
@param[in] Context Pointer to the context data registered to the event.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
MnpCheckMediaStatus (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Poll to receive the packets from Snp. This function is either called by upperlayer
|
|
protocols/applications or the system poll timer notify mechanism.
|
|
|
|
@param[in] Event The event this notify function registered to.
|
|
@param[in] Context Pointer to the context data registered to the event.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
MnpSystemPoll (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Returns the operational parameters for the current MNP child driver. May also
|
|
support returning the underlying SNP driver mode data.
|
|
|
|
The GetModeData() function is used to read the current mode data (operational
|
|
parameters) from the MNP or the underlying SNP.
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
@param[out] MnpConfigData Pointer to storage for MNP operational parameters. Type
|
|
EFI_MANAGED_NETWORK_CONFIG_DATA is defined in "Related
|
|
Definitions" below.
|
|
@param[out] SnpModeData Pointer to storage for SNP operational parameters. This
|
|
feature may be unsupported. Type EFI_SIMPLE_NETWORK_MODE
|
|
is defined in the EFI_SIMPLE_NETWORK_PROTOCOL.
|
|
|
|
@retval EFI_SUCCESS The operation completed successfully.
|
|
@retval EFI_INVALID_PARAMETER This is NULL.
|
|
@retval EFI_UNSUPPORTED The requested feature is unsupported in this
|
|
MNP implementation.
|
|
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
|
configured. The default values are returned in
|
|
MnpConfigData if it is not NULL.
|
|
@retval Others The mode data could not be read.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpGetModeData (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This,
|
|
OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
|
|
OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Sets or clears the operational parameters for the MNP child driver.
|
|
|
|
The Configure() function is used to set, change, or reset the operational
|
|
parameters for the MNP child driver instance. Until the operational parameters
|
|
have been set, no network traffic can be sent or received by this MNP child
|
|
driver instance. Once the operational parameters have been reset, no more
|
|
traffic can be sent or received until the operational parameters have been set
|
|
again.
|
|
Each MNP child driver instance can be started and stopped independently of
|
|
each other by setting or resetting their receive filter settings with the
|
|
Configure() function.
|
|
After any successful call to Configure(), the MNP child driver instance is
|
|
started. The internal periodic timer (if supported) is enabled. Data can be
|
|
transmitted and may be received if the receive filters have also been enabled.
|
|
Note: If multiple MNP child driver instances will receive the same packet
|
|
because of overlapping receive filter settings, then the first MNP child
|
|
driver instance will receive the original packet and additional instances will
|
|
receive copies of the original packet.
|
|
Note: Warning: Receive filter settings that overlap will consume extra
|
|
processor and/or DMA resources and degrade system and network performance.
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
@param[in] MnpConfigData Pointer to configuration data that will be assigned
|
|
to the MNP child driver instance. If NULL, the MNP
|
|
child driver instance is reset to startup defaults
|
|
and all pending transmit and receive requests are
|
|
flushed. Type EFI_MANAGED_NETWORK_CONFIG_DATA is
|
|
defined in EFI_MANAGED_NETWORK_PROTOCOL.GetModeData().
|
|
|
|
@retval EFI_SUCCESS The operation completed successfully.
|
|
@retval EFI_INVALID_PARAMETER One or more of the following conditions is
|
|
TRUE:
|
|
* This is NULL.
|
|
* MnpConfigData.ProtocolTypeFilter is not
|
|
valid.
|
|
The operational data for the MNP child driver
|
|
instance is unchanged.
|
|
@retval EFI_OUT_OF_RESOURCES Required system resources (usually memory)
|
|
could not be allocated.
|
|
The MNP child driver instance has been reset to
|
|
startup defaults.
|
|
@retval EFI_UNSUPPORTED The requested feature is unsupported in
|
|
this [MNP] implementation. The operational data
|
|
for the MNP child driver instance is unchanged.
|
|
@retval EFI_DEVICE_ERROR An unexpected network or system error
|
|
occurred. The MNP child driver instance has
|
|
been reset to startup defaults.
|
|
@retval Others The MNP child driver instance has been reset to
|
|
startup defaults.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpConfigure (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This,
|
|
IN EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Translates an IP multicast address to a hardware (MAC) multicast address. This
|
|
function may be unsupported in some MNP implementations.
|
|
|
|
The McastIpToMac() function translates an IP multicast address to a hardware
|
|
(MAC) multicast address. This function may be implemented by calling the
|
|
underlying EFI_SIMPLE_NETWORK. MCastIpToMac() function, which may also be
|
|
unsupported in some MNP implementations.
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
@param[in] Ipv6Flag Set to TRUE to if IpAddress is an IPv6 multicast address.
|
|
Set to FALSE if IpAddress is an IPv4 multicast address.
|
|
@param[in] IpAddress Pointer to the multicast IP address (in network byte
|
|
order) to convert.
|
|
@param[out] MacAddress Pointer to the resulting multicast MAC address.
|
|
|
|
@retval EFI_SUCCESS The operation completed successfully.
|
|
@retval EFI_INVALID_PARAMETER One of the following conditions is TRUE:
|
|
* This is NULL.
|
|
* IpAddress is NULL.
|
|
* IpAddress is not a valid multicast IP
|
|
address.
|
|
* MacAddress is NULL.
|
|
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
|
configured.
|
|
@retval EFI_UNSUPPORTED The requested feature is unsupported in this
|
|
MNP implementation.
|
|
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
|
|
@retval Others The address could not be converted.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpMcastIpToMac (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This,
|
|
IN BOOLEAN Ipv6Flag,
|
|
IN EFI_IP_ADDRESS *IpAddress,
|
|
OUT EFI_MAC_ADDRESS *MacAddress
|
|
);
|
|
|
|
/**
|
|
Enables and disables receive filters for multicast address. This function may
|
|
be unsupported in some MNP implementations.
|
|
|
|
The Groups() function only adds and removes multicast MAC addresses from the
|
|
filter list. The MNP driver does not transmit or process Internet Group
|
|
Management Protocol (IGMP) packets. If JoinFlag is FALSE and MacAddress is
|
|
NULL, then all joined groups are left.
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
@param[in] JoinFlag Set to TRUE to join this multicast group.
|
|
Set to FALSE to leave this multicast group.
|
|
@param[in] MacAddress Pointer to the multicast MAC group (address) to join or
|
|
leave.
|
|
|
|
@retval EFI_SUCCESS The requested operation completed successfully.
|
|
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
|
|
* This is NULL.
|
|
* JoinFlag is TRUE and MacAddress is NULL.
|
|
* MacAddress is not a valid multicast MAC
|
|
address.
|
|
* The MNP multicast group settings are
|
|
unchanged.
|
|
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
|
configured.
|
|
@retval EFI_ALREADY_STARTED The supplied multicast group is already joined.
|
|
@retval EFI_NOT_FOUND The supplied multicast group is not joined.
|
|
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
|
|
The MNP child driver instance has been reset to
|
|
startup defaults.
|
|
@retval EFI_UNSUPPORTED The requested feature is unsupported in this MNP
|
|
implementation.
|
|
@retval Others The requested operation could not be completed.
|
|
The MNP multicast group settings are unchanged.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpGroups (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This,
|
|
IN BOOLEAN JoinFlag,
|
|
IN EFI_MAC_ADDRESS *MacAddress OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Places asynchronous outgoing data packets into the transmit queue.
|
|
|
|
The Transmit() function places a completion token into the transmit packet
|
|
queue. This function is always asynchronous.
|
|
The caller must fill in the Token.Event and Token.TxData fields in the
|
|
completion token, and these fields cannot be NULL. When the transmit operation
|
|
completes, the MNP updates the Token.Status field and the Token.Event is
|
|
signaled.
|
|
Note: There may be a performance penalty if the packet needs to be
|
|
defragmented before it can be transmitted by the network device. Systems in
|
|
which performance is critical should review the requirements and features of
|
|
the underlying communications device and drivers.
|
|
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
@param[in] Token Pointer to a token associated with the transmit data
|
|
descriptor. Type EFI_MANAGED_NETWORK_COMPLETION_TOKEN
|
|
is defined in "Related Definitions" below.
|
|
|
|
@retval EFI_SUCCESS The transmit completion token was cached.
|
|
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
|
configured.
|
|
@retval EFI_INVALID_PARAMETER One or more of the following conditions is
|
|
TRUE:
|
|
* This is NULL.
|
|
* Token is NULL.
|
|
* Token.Event is NULL.
|
|
* Token.TxData is NULL.
|
|
* Token.TxData.DestinationAddress is not
|
|
NULL and Token.TxData.HeaderLength is zero.
|
|
* Token.TxData.FragmentCount is zero.
|
|
* (Token.TxData.HeaderLength +
|
|
Token.TxData.DataLength) is not equal to the
|
|
sum of the
|
|
Token.TxData.FragmentTable[].FragmentLength
|
|
fields.
|
|
* One or more of the
|
|
Token.TxData.FragmentTable[].FragmentLength
|
|
fields is zero.
|
|
* One or more of the
|
|
Token.TxData.FragmentTable[].FragmentBufferfields
|
|
is NULL.
|
|
* Token.TxData.DataLength is greater than MTU.
|
|
@retval EFI_ACCESS_DENIED The transmit completion token is already in the
|
|
transmit queue.
|
|
@retval EFI_OUT_OF_RESOURCES The transmit data could not be queued due to a
|
|
lack of system resources (usually memory).
|
|
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
|
|
The MNP child driver instance has been reset to
|
|
startup defaults.
|
|
@retval EFI_NOT_READY The transmit request could not be queued because
|
|
the transmit queue is full.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpTransmit (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This,
|
|
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token
|
|
);
|
|
|
|
/**
|
|
Aborts an asynchronous transmit or receive request.
|
|
|
|
The Cancel() function is used to abort a pending transmit or receive request.
|
|
If the token is in the transmit or receive request queues, after calling this
|
|
function, Token.Status will be set to EFI_ABORTED and then Token.Event will be
|
|
signaled. If the token is not in one of the queues, which usually means that
|
|
the asynchronous operation has completed, this function will not signal the
|
|
token and EFI_NOT_FOUND is returned.
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
@param[in] Token Pointer to a token that has been issued by
|
|
EFI_MANAGED_NETWORK_PROTOCOL.Transmit() or
|
|
EFI_MANAGED_NETWORK_PROTOCOL.Receive(). If NULL, all
|
|
pending tokens are aborted.
|
|
|
|
@retval EFI_SUCCESS The asynchronous I/O request was aborted and
|
|
Token.Event was signaled. When Token is NULL,
|
|
all pending requests were aborted and their
|
|
events were signaled.
|
|
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
|
configured.
|
|
@retval EFI_INVALID_PARAMETER This is NULL.
|
|
@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O
|
|
request was not found in the transmit or
|
|
receive queue. It has either completed or was
|
|
not issued by Transmit() and Receive().
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpCancel (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This,
|
|
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Places an asynchronous receiving request into the receiving queue.
|
|
|
|
The Receive() function places a completion token into the receive packet
|
|
queue. This function is always asynchronous.
|
|
The caller must fill in the Token.Event field in the completion token, and
|
|
this field cannot be NULL. When the receive operation completes, the MNP
|
|
updates the Token.Status and Token.RxData fields and the Token.Event is
|
|
signaled.
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
@param[in] Token Pointer to a token associated with the receive
|
|
data descriptor. Type
|
|
EFI_MANAGED_NETWORK_COMPLETION_TOKEN is defined in
|
|
EFI_MANAGED_NETWORK_PROTOCOL.Transmit().
|
|
|
|
@retval EFI_SUCCESS The receive completion token was cached.
|
|
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
|
configured.
|
|
@retval EFI_INVALID_PARAMETER One or more of the following conditions is
|
|
TRUE:
|
|
* This is NULL.
|
|
* Token is NULL.
|
|
* Token.Event is NULL
|
|
@retval EFI_OUT_OF_RESOURCES The transmit data could not be queued due to a
|
|
lack of system resources (usually memory).
|
|
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
|
|
The MNP child driver instance has been reset to
|
|
startup defaults.
|
|
@retval EFI_ACCESS_DENIED The receive completion token was already in the
|
|
receive queue.
|
|
@retval EFI_NOT_READY The receive request could not be queued because
|
|
the receive queue is full.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpReceive (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This,
|
|
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token
|
|
);
|
|
|
|
/**
|
|
Polls for incoming data packets and processes outgoing data packets.
|
|
|
|
The Poll() function can be used by network drivers and applications to
|
|
increase the rate that data packets are moved between the communications
|
|
device and the transmit and receive queues.
|
|
Normally, a periodic timer event internally calls the Poll() function. But, in
|
|
some systems, the periodic timer event may not call Poll() fast enough to
|
|
transmit and/or receive all data packets without missing packets. Drivers and
|
|
applications that are experiencing packet loss should try calling the Poll()
|
|
function more often.
|
|
|
|
@param[in] This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.
|
|
|
|
@retval EFI_SUCCESS Incoming or outgoing data was processed.
|
|
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
|
configured.
|
|
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The
|
|
MNP child driver instance has been reset to startup
|
|
defaults.
|
|
@retval EFI_NOT_READY No incoming or outgoing data was processed. Consider
|
|
increasing the polling rate.
|
|
@retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive
|
|
queue. Consider increasing the polling rate.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MnpPoll (
|
|
IN EFI_MANAGED_NETWORK_PROTOCOL *This
|
|
);
|
|
|
|
/**
|
|
Configure the Snp receive filters according to the instances' receive filter
|
|
settings.
|
|
|
|
@param[in] MnpDeviceData Pointer to the mnp device context data.
|
|
|
|
@retval EFI_SUCCESS The receive filters is configured.
|
|
@retval EFI_OUT_OF_RESOURCES The receive filters can't be configured due
|
|
to lack of memory resource.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
MnpConfigReceiveFilters (
|
|
IN MNP_DEVICE_DATA *MnpDeviceData
|
|
);
|
|
|
|
#endif
|