Import SnpDxe, Tcp4Dxe, Udp4Dxe and MnpDxe.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3416 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
655
MdeModulePkg/Universal/Network/MnpDxe/MnpMain.c
Normal file
655
MdeModulePkg/Universal/Network/MnpDxe/MnpMain.c
Normal file
@ -0,0 +1,655 @@
|
||||
/** @file
|
||||
|
||||
Copyright (c) 2005 - 2007, Intel Corporation
|
||||
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
|
||||
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:
|
||||
|
||||
MnpMain.c
|
||||
|
||||
Abstract:
|
||||
|
||||
Implementation of Managed Network Protocol public services.
|
||||
|
||||
|
||||
**/
|
||||
|
||||
#include <Library/BaseMemoryLib.h>
|
||||
#include <Library/BaseLib.h>
|
||||
|
||||
#include "MnpImpl.h"
|
||||
|
||||
|
||||
/**
|
||||
Get configuration data of this instance.
|
||||
|
||||
@param This Pointer to the Managed Network Protocol.
|
||||
@param MnpConfigData Pointer to strorage for MNP operational
|
||||
parameters.
|
||||
@param SnpModeData Pointer to strorage for SNP operational
|
||||
parameters.
|
||||
|
||||
@retval EFI_SUCCESS The operation completed successfully.
|
||||
@retval EFI_INVALID_PARAMETER This is NULL.
|
||||
@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.
|
||||
|
||||
**/
|
||||
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
|
||||
)
|
||||
{
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
|
||||
EFI_TPL OldTpl;
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (This == NULL) {
|
||||
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if (MnpConfigData != NULL) {
|
||||
//
|
||||
// Copy the instance configuration data.
|
||||
//
|
||||
*MnpConfigData = Instance->ConfigData;
|
||||
}
|
||||
|
||||
if (SnpModeData != NULL) {
|
||||
//
|
||||
// Copy the underlayer Snp mode data.
|
||||
//
|
||||
Snp = Instance->MnpServiceData->Snp;
|
||||
*SnpModeData = *(Snp->Mode);
|
||||
}
|
||||
|
||||
if (!Instance->Configured) {
|
||||
Status = EFI_NOT_STARTED;
|
||||
} else {
|
||||
Status = EFI_SUCCESS;
|
||||
}
|
||||
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Set or clear the operational parameters for the MNP child driver.
|
||||
|
||||
@param This Pointer to the Managed Network Protocol.
|
||||
@param MnpConfigData Pointer to the 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.
|
||||
|
||||
@retval EFI_SUCCESS The operation completed successfully.
|
||||
@retval EFI_INVALID_PARAMETER One or more parameter is invalid.
|
||||
@retval EFI_OUT_OF_RESOURCES Required system resources (usually memory) could
|
||||
not be allocated.
|
||||
@retval EFI_UNSUPPORTED EnableReceiveTimestamps is TRUE, this
|
||||
implementation doesn't support it.
|
||||
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
|
||||
@retval Other 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
|
||||
)
|
||||
{
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
EFI_TPL OldTpl;
|
||||
EFI_STATUS Status;
|
||||
|
||||
if ((This == NULL) ||
|
||||
((MnpConfigData != NULL) &&
|
||||
(MnpConfigData->ProtocolTypeFilter > 0) &&
|
||||
(MnpConfigData->ProtocolTypeFilter <= 1500))) {
|
||||
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if ((MnpConfigData == NULL) && (!Instance->Configured)) {
|
||||
//
|
||||
// If the instance is not configured and a reset is requested, just return.
|
||||
//
|
||||
Status = EFI_SUCCESS;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// Configure the instance.
|
||||
//
|
||||
Status = MnpConfigureInstance (Instance, MnpConfigData);
|
||||
|
||||
ON_EXIT:
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Translate a multicast IP address to a multicast hardware (MAC) address.
|
||||
|
||||
@param This Pointer to the Managed Network Protocol.
|
||||
@param Ipv6Flag Set to TRUE if IpAddress is an IPv6 multicast
|
||||
address. Set to FALSE if IpAddress is an IPv4
|
||||
multicast address.
|
||||
@param IpAddress Pointer to the multicast IP address to convert.
|
||||
@param MacAddress Pointer to the resulting multicast MAC address.
|
||||
|
||||
@retval EFI_SUCCESS The operation completed successfully.
|
||||
@retval EFI_INVALID_PARAMETER One or more parameter is invalid.
|
||||
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
||||
configured.
|
||||
@retval EFI_UNSUPPORTED Ipv6Flag is TRUE, this implementation doesn't
|
||||
supported it.
|
||||
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred.
|
||||
@retval Other 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
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
if ((This == NULL) || (IpAddress == NULL) || (MacAddress == NULL)) {
|
||||
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if (Ipv6Flag) {
|
||||
//
|
||||
// Currently IPv6 isn't supported.
|
||||
//
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
if (!IP4_IS_MULTICAST (EFI_NTOHL (*IpAddress))) {
|
||||
//
|
||||
// The IPv4 address passed in is not a multicast address.
|
||||
//
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if (!Instance->Configured) {
|
||||
|
||||
Status = EFI_NOT_STARTED;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
Snp = Instance->MnpServiceData->Snp;
|
||||
ASSERT (Snp != NULL);
|
||||
|
||||
if (Snp->Mode->IfType == NET_IFTYPE_ETHERNET) {
|
||||
//
|
||||
// Translate the IPv4 address into a multicast MAC address if the NIC is an
|
||||
// ethernet NIC.
|
||||
//
|
||||
MacAddress->Addr[0] = 0x01;
|
||||
MacAddress->Addr[1] = 0x00;
|
||||
MacAddress->Addr[2] = 0x5E;
|
||||
MacAddress->Addr[3] = IpAddress->v4.Addr[1] & 0x7F;
|
||||
MacAddress->Addr[4] = IpAddress->v4.Addr[2];
|
||||
MacAddress->Addr[5] = IpAddress->v4.Addr[3];
|
||||
|
||||
Status = EFI_SUCCESS;
|
||||
} else {
|
||||
//
|
||||
// Invoke Snp to translate the multicast IP address.
|
||||
//
|
||||
Status = Snp->MCastIpToMac (
|
||||
Snp,
|
||||
Ipv6Flag,
|
||||
IpAddress,
|
||||
MacAddress
|
||||
);
|
||||
}
|
||||
|
||||
ON_EXIT:
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Enable or disable receie filters for multicast address.
|
||||
|
||||
@param This Pointer to the Managed Network Protocol.
|
||||
@param JoinFlag Set to TRUE to join this multicast group. Set to
|
||||
FALSE to leave this multicast group.
|
||||
@param MacAddress Pointer to the multicast MAC group (address) to
|
||||
join or leave.
|
||||
|
||||
@retval EFI_SUCCESS The operation completed successfully.
|
||||
@retval EFI_INVALID_PARAMETER One or more parameter is invalid
|
||||
@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.
|
||||
@retval Other 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
|
||||
)
|
||||
{
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
EFI_SIMPLE_NETWORK_MODE *SnpMode;
|
||||
MNP_GROUP_CONTROL_BLOCK *GroupCtrlBlk;
|
||||
MNP_GROUP_ADDRESS *GroupAddress;
|
||||
NET_LIST_ENTRY *ListEntry;
|
||||
BOOLEAN AddressExist;
|
||||
EFI_TPL OldTpl;
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (This == NULL || (JoinFlag && (MacAddress == NULL))) {
|
||||
//
|
||||
// This is NULL, or it's a join operation but MacAddress is NULL.
|
||||
//
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
SnpMode = Instance->MnpServiceData->Snp->Mode;
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if (!Instance->Configured) {
|
||||
|
||||
Status = EFI_NOT_STARTED;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
if ((!Instance->ConfigData.EnableMulticastReceive) ||
|
||||
((MacAddress != NULL) && !NET_MAC_IS_MULTICAST (MacAddress, &SnpMode->BroadcastAddress, SnpMode->HwAddressSize))) {
|
||||
//
|
||||
// The instance isn't configured to do mulitcast receive. OR
|
||||
// the passed in MacAddress is not a mutlticast mac address.
|
||||
//
|
||||
Status = EFI_INVALID_PARAMETER;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
Status = EFI_SUCCESS;
|
||||
AddressExist = FALSE;
|
||||
GroupCtrlBlk = NULL;
|
||||
|
||||
if (MacAddress != NULL) {
|
||||
//
|
||||
// Search the instance's GroupCtrlBlkList to find the specific address.
|
||||
//
|
||||
NET_LIST_FOR_EACH (ListEntry, &Instance->GroupCtrlBlkList) {
|
||||
|
||||
GroupCtrlBlk = NET_LIST_USER_STRUCT (
|
||||
ListEntry,
|
||||
MNP_GROUP_CONTROL_BLOCK,
|
||||
CtrlBlkEntry
|
||||
);
|
||||
GroupAddress = GroupCtrlBlk->GroupAddress;
|
||||
if (0 == NetCompareMem (
|
||||
MacAddress,
|
||||
&GroupAddress->Address,
|
||||
SnpMode->HwAddressSize
|
||||
)) {
|
||||
//
|
||||
// There is already the same multicast mac address configured.
|
||||
//
|
||||
AddressExist = TRUE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (JoinFlag && AddressExist) {
|
||||
//
|
||||
// The multicast mac address to join already exists.
|
||||
//
|
||||
Status = EFI_ALREADY_STARTED;
|
||||
}
|
||||
|
||||
if (!JoinFlag && !AddressExist) {
|
||||
//
|
||||
// The multicast mac address to leave doesn't exist in this instance.
|
||||
//
|
||||
Status = EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
goto ON_EXIT;
|
||||
}
|
||||
} else if (NetListIsEmpty (&Instance->GroupCtrlBlkList)) {
|
||||
//
|
||||
// The MacAddress is NULL and there is no configured multicast mac address,
|
||||
// just return.
|
||||
//
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// OK, it is time to take action.
|
||||
//
|
||||
Status = MnpGroupOp (Instance, JoinFlag, MacAddress, GroupCtrlBlk);
|
||||
|
||||
ON_EXIT:
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Place an outgoing packet into the transmit queue.
|
||||
|
||||
@param This Pointer to the Managed Network Protocol.
|
||||
@param Token Pointer to a token associated with the transmit
|
||||
data descriptor.
|
||||
|
||||
@retval EFI_SUCCESS The operation completed successfully.
|
||||
@retval EFI_INVALID_PARAMETER One or more parameter is invalid
|
||||
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
||||
configured.
|
||||
@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
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
MNP_SERVICE_DATA *MnpServiceData;
|
||||
UINT8 *PktBuf;
|
||||
UINT32 PktLen;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
if ((This == NULL) || (Token == NULL)) {
|
||||
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if (!Instance->Configured) {
|
||||
|
||||
Status = EFI_NOT_STARTED;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
if (!MnpIsValidTxToken (Instance, Token)) {
|
||||
//
|
||||
// The Token is invalid.
|
||||
//
|
||||
Status = EFI_INVALID_PARAMETER;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
MnpServiceData = Instance->MnpServiceData;
|
||||
NET_CHECK_SIGNATURE (MnpServiceData, MNP_SERVICE_DATA_SIGNATURE);
|
||||
|
||||
//
|
||||
// Build the tx packet
|
||||
//
|
||||
MnpBuildTxPacket (MnpServiceData, Token->Packet.TxData, &PktBuf, &PktLen);
|
||||
|
||||
//
|
||||
// OK, send the packet synchronously.
|
||||
//
|
||||
Status = MnpSyncSendPacket (MnpServiceData, PktBuf, PktLen, Token);
|
||||
|
||||
ON_EXIT:
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Place an asynchronous receiving request into the receiving queue.
|
||||
|
||||
@param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL
|
||||
instance.
|
||||
@param Token Pointer to a token associated with the receive
|
||||
data descriptor.
|
||||
|
||||
@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 parameter is invalid.
|
||||
@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
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
if ((This == NULL) || (Token == NULL) || (Token->Event == NULL)) {
|
||||
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if (!Instance->Configured) {
|
||||
|
||||
Status = EFI_NOT_STARTED;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// Check whether this token(event) is already in the rx token queue.
|
||||
//
|
||||
Status = NetMapIterate (&Instance->RxTokenMap, MnpTokenExist, (VOID *) Token);
|
||||
if (EFI_ERROR (Status)) {
|
||||
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// Insert the Token into the RxTokenMap.
|
||||
//
|
||||
Status = NetMapInsertTail (&Instance->RxTokenMap, (VOID *) Token, NULL);
|
||||
|
||||
if (!EFI_ERROR (Status)) {
|
||||
//
|
||||
// Try to deliver any buffered packets.
|
||||
//
|
||||
Status = MnpInstanceDeliverPacket (Instance);
|
||||
}
|
||||
|
||||
ON_EXIT:
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Abort a pending transmit or receive request.
|
||||
|
||||
@param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL
|
||||
instance.
|
||||
@param 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.
|
||||
@retval EFI_NOT_STARTED This MNP child driver instance has not been
|
||||
configured.
|
||||
@retval EFI_INVALID_PARAMETER This is NULL.
|
||||
@retval EFI_NOT_FOUND 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
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
if (This == NULL) {
|
||||
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if (!Instance->Configured) {
|
||||
|
||||
Status = EFI_NOT_STARTED;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// Iterate the RxTokenMap to cancel the specified Token.
|
||||
//
|
||||
Status = NetMapIterate (&Instance->RxTokenMap, MnpCancelTokens, (VOID *) Token);
|
||||
|
||||
if (Token != NULL) {
|
||||
|
||||
Status = (Status == EFI_ABORTED) ? EFI_SUCCESS : EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
ON_EXIT:
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Poll the network interface to do transmit/receive work.
|
||||
|
||||
@param 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.
|
||||
@retval EFI_TIMEOUT Data was dropped out of the transmit and/or
|
||||
receive queue.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
MnpPoll (
|
||||
IN EFI_MANAGED_NETWORK_PROTOCOL *This
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
MNP_INSTANCE_DATA *Instance;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
if (This == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Instance = MNP_INSTANCE_DATA_FROM_THIS (This);
|
||||
|
||||
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
||||
|
||||
if (!Instance->Configured) {
|
||||
Status = EFI_NOT_STARTED;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// Try to receive packets.
|
||||
//
|
||||
Status = MnpReceivePacket (Instance->MnpServiceData);
|
||||
|
||||
ON_EXIT:
|
||||
NET_RESTORE_TPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
Reference in New Issue
Block a user