enhanced UefiPxeBcDxe to support
1. AutoArp. 2. SendGuid. 3 TftpError. 4. IcmpError. 5. RouteTable. 6. ArpCache. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4981 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -23,6 +23,204 @@ Abstract:
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#include "PxeBcImpl.h"
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/**
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Get and record the arp cache
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@param This Pointer to EFI_PXE_BC_PROTOCOL
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@retval EFI_SUCCESS Arp cache updated successfully
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@retval others If error occurs when updating arp cache
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**/
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STATIC
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EFI_STATUS
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UpdateArpCache (
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IN EFI_PXE_BASE_CODE_PROTOCOL * This
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)
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{
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PXEBC_PRIVATE_DATA *Private;
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EFI_PXE_BASE_CODE_MODE *Mode;
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EFI_STATUS Status;
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UINT32 EntryLength;
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UINT32 EntryCount;
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EFI_ARP_FIND_DATA *Entries;
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UINT32 Index;
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Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
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Mode = Private->PxeBc.Mode;
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Status = Private->Arp->Find (Private->Arp, TRUE, NULL, &EntryLength, &EntryCount, &Entries, TRUE);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Mode->ArpCacheEntries = MIN (EntryCount, EFI_PXE_BASE_CODE_MAX_ARP_ENTRIES);
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for (Index = 0; Index < Mode->ArpCacheEntries; Index ++) {
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CopyMem (&Mode->ArpCache[Index].IpAddr, Entries + 1, Entries->SwAddressLength);
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CopyMem (&Mode->ArpCache[Index].MacAddr, (UINT8 *)(Entries + 1) + Entries->SwAddressLength, Entries->HwAddressLength);
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//
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// Slip to the next FindData.
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//
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Entries = (EFI_ARP_FIND_DATA *)((UINT8 *)Entries + EntryLength);
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}
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return EFI_SUCCESS;
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}
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/**
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Timeout routine to catch arp cache.
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@param Event Pointer to EFI_PXE_BC_PROTOCOL
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@param Context Context of the timer event
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**/
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STATIC
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VOID
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EFIAPI
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ArpCacheUpdateTimeout (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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UpdateArpCache ((EFI_PXE_BASE_CODE_PROTOCOL *) Context);
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}
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/**
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Timeout routine to catch arp cache.
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@param Event Pointer to EFI_PXE_BC_PROTOCOL
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@param Context
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**/
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STATIC
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BOOLEAN
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FindInArpCache (
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EFI_PXE_BASE_CODE_MODE *PxeBcMode,
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EFI_IPv4_ADDRESS *Ip4Addr,
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EFI_MAC_ADDRESS *MacAddress
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)
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{
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UINT32 Index;
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for (Index = 0; Index < PxeBcMode->ArpCacheEntries; Index ++) {
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if (EFI_IP4_EQUAL (&PxeBcMode->ArpCache[Index].IpAddr.v4, Ip4Addr)) {
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CopyMem (MacAddress, &PxeBcMode->ArpCache[Index].MacAddr, sizeof (EFI_MAC_ADDRESS));
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return TRUE;
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}
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}
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return FALSE;
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}
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/**
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Notify function for the ICMP receive token, used to process
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the received ICMP packets.
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@param Context The context passed in by the event notifier.
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@return None.
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**/
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STATIC
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VOID
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EFIAPI
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IcmpErrorListenHandlerDpc (
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IN VOID *Context
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)
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{
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EFI_STATUS Status;
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EFI_IP4_RECEIVE_DATA *RxData;
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EFI_IP4_PROTOCOL *Ip4;
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PXEBC_PRIVATE_DATA *Private;
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EFI_PXE_BASE_CODE_MODE *Mode;
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UINTN Index;
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UINT32 CopiedLen;
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UINT8 *CopiedPointer;
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Private = (PXEBC_PRIVATE_DATA *) Context;
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Mode = &Private->Mode;
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Status = Private->IcmpErrorRcvToken.Status;
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RxData = Private->IcmpErrorRcvToken.Packet.RxData;
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Ip4 = Private->Ip4;
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if (EFI_ABORTED == Status) {
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//
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// The reception is actively aborted by the consumer, directly return.
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//
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return;
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}
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if ((EFI_SUCCESS != Status) || (NULL == RxData)) {
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//
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// Only process the normal packets and the icmp error packets, if RxData is NULL
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// with Status == EFI_SUCCESS or EFI_ICMP_ERROR, just resume the receive although
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// this should be a bug of the low layer (IP).
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//
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goto Resume;
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}
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if ((EFI_IP4 (RxData->Header->SourceAddress) != 0) &&
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!Ip4IsUnicast (EFI_NTOHL (RxData->Header->SourceAddress), 0)) {
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//
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// The source address is not zero and it's not a unicast IP address, discard it.
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//
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goto CleanUp;
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}
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if (!EFI_IP4_EQUAL (&RxData->Header->DestinationAddress, &Mode->StationIp.v4)) {
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//
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// The dest address is not equal to Station Ip address, discard it.
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//
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goto CleanUp;
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}
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//
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// Constructor ICMP error packet
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//
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CopiedLen = 0;
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CopiedPointer = (UINT8 *) &Mode->IcmpError;
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for (Index = 0; Index < RxData->FragmentCount; Index ++) {
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CopiedLen += RxData->FragmentTable[Index].FragmentLength;
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if (CopiedLen <= sizeof (EFI_PXE_BASE_CODE_ICMP_ERROR)) {
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CopyMem (CopiedPointer, RxData->FragmentTable[Index].FragmentBuffer, RxData->FragmentTable[Index].FragmentLength);
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} else {
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CopyMem (CopiedPointer, RxData->FragmentTable[Index].FragmentBuffer, CopiedLen - sizeof (EFI_PXE_BASE_CODE_ICMP_ERROR));
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}
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CopiedPointer += CopiedLen;
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}
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goto Resume;
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CleanUp:
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gBS->SignalEvent (RxData->RecycleSignal);
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Resume:
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Ip4->Receive (Ip4, &(Private->IcmpErrorRcvToken));
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}
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/**
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Request IcmpErrorListenHandlerDpc as a DPC at TPL_CALLBACK
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@param Event The event signaled.
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@param Context The context passed in by the event notifier.
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@return None.
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**/
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STATIC
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VOID
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EFIAPI
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IcmpErrorListenHandler (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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//
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// Request IpIoListenHandlerDpc as a DPC at TPL_CALLBACK
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//
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NetLibQueueDpc (TPL_CALLBACK, IcmpErrorListenHandlerDpc, Context);
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}
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/**
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GC_NOTO: Add function description
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@@ -53,6 +251,7 @@ EfiPxeBcStart (
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EFI_PXE_BASE_CODE_MODE *Mode;
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EFI_STATUS Status;
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CpuDeadLoop ();
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if (This == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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@@ -88,7 +287,78 @@ EfiPxeBcStart (
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Mode->ToS = DEFAULT_ToS;
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Mode->AutoArp = TRUE;
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return EFI_SUCCESS;
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//
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// Create the event for Arp Cache checking.
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//
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Status = gBS->CreateEvent (
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EVT_TIMER | EVT_NOTIFY_SIGNAL,
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TPL_CALLBACK,
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ArpCacheUpdateTimeout,
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This,
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&Private->GetArpCacheEvent
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);
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if (EFI_ERROR (Status)) {
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goto ON_EXIT;
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}
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//
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// Start the timeout timer event.
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//
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Status = gBS->SetTimer (
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Private->GetArpCacheEvent,
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TimerPeriodic,
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TICKS_PER_SECOND
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);
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if (EFI_ERROR (Status)) {
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goto ON_EXIT;
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}
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//
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// Create ICMP error receiving event
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//
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Status = gBS->CreateEvent (
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EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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IcmpErrorListenHandler,
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Private,
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&(Private->IcmpErrorRcvToken.Event)
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);
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if (EFI_ERROR (Status)) {
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goto ON_EXIT;
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}
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Status = Private->Ip4->Configure (Private->Ip4, &Private->Ip4ConfigData);
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if (EFI_ERROR (Status)) {
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goto ON_EXIT;
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}
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//
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// start to listen incoming packet
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//
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Status = Private->Ip4->Receive (Private->Ip4, &Private->IcmpErrorRcvToken);
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if (!EFI_ERROR (Status)) {
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return Status;
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}
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ON_EXIT:
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Private->Ip4->Configure (Private->Ip4, NULL);
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if (Private->IcmpErrorRcvToken.Event != NULL) {
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gBS->CloseEvent (Private->IcmpErrorRcvToken.Event);
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}
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if (Private->GetArpCacheEvent != NULL) {
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gBS->SetTimer (Private->GetArpCacheEvent, TimerCancel, 0);
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gBS->CloseEvent (Private->GetArpCacheEvent);
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}
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Mode->Started = FALSE;
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Mode->TTL = 0;
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Mode->ToS = 0;
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Mode->AutoArp = FALSE;
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return Status;
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}
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@@ -126,8 +396,33 @@ EfiPxeBcStop (
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return EFI_NOT_STARTED;
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}
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Private->Ip4->Cancel (Private->Ip4, NULL);
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//
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// Dispatch the DPCs queued by the NotifyFunction of the canceled rx token's
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// events.
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//
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NetLibDispatchDpc ();
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Private->Ip4->Configure (Private->Ip4, NULL);
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//
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// Close the ICMP error receiving event.
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//
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gBS->CloseEvent (Private->IcmpErrorRcvToken.Event);
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//
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// Cancel the TimeoutEvent timer.
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//
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gBS->SetTimer (Private->GetArpCacheEvent, TimerCancel, 0);
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//
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// Close the TimeoutEvent event.
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//
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gBS->CloseEvent (Private->GetArpCacheEvent);
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Mode->Started = FALSE;
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//
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// Reset and leave joined groups
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//
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@@ -191,6 +486,9 @@ EfiPxeBcDhcp (
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if (!Mode->Started) {
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return EFI_NOT_STARTED;
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}
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Mode->IcmpErrorReceived = FALSE;
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//
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// Initialize the DHCP options and build the option list
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//
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@@ -234,6 +532,9 @@ EfiPxeBcDhcp (
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//
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continue;
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}
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if (Status == EFI_ICMP_ERROR) {
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Mode->IcmpErrorReceived = TRUE;
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}
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//
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// Other error status means the DHCP really fails.
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//
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@@ -286,6 +587,24 @@ EfiPxeBcDhcp (
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Private->Arp->Configure (Private->Arp, NULL);
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Private->Arp->Configure (Private->Arp, &ArpConfigData);
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//
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// Updated the route table. Fill the first entry.
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//
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Mode->RouteTableEntries = 1;
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Mode->RouteTable[0].IpAddr.Addr[0] = Private->StationIp.Addr[0] & Private->SubnetMask.Addr[0];
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Mode->RouteTable[0].SubnetMask.Addr[0] = Private->SubnetMask.Addr[0];
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Mode->RouteTable[0].GwAddr.Addr[0] = 0;
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//
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// Create the default route entry if there is a default router.
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//
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if (Private->GatewayIp.Addr[0] != 0) {
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Mode->RouteTableEntries = 2;
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Mode->RouteTable[1].IpAddr.Addr[0] = 0;
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Mode->RouteTable[1].SubnetMask.Addr[0] = 0;
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Mode->RouteTable[1].GwAddr.Addr[0] = Private->GatewayIp.Addr[0];
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}
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}
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}
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@@ -361,6 +680,8 @@ EfiPxeBcDiscover (
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return EFI_NOT_STARTED;
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}
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Mode->IcmpErrorReceived = FALSE;
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//
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// If layer isn't EFI_PXE_BASE_CODE_BOOT_LAYER_INITIAL,
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// use the previous setting;
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@@ -511,8 +832,11 @@ EfiPxeBcDiscover (
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}
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if (EFI_ERROR (Status) || !Mode->PxeReplyReceived || (!Mode->PxeBisReplyReceived && UseBis)) {
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Status = EFI_DEVICE_ERROR;
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if (Status == EFI_ICMP_ERROR) {
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Mode->IcmpErrorReceived = TRUE;
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} else {
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Status = EFI_DEVICE_ERROR;
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}
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} else {
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PxeBcParseCachedDhcpPacket (&Private->PxeReply);
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}
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@@ -571,6 +895,8 @@ EfiPxeBcMtftp (
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PXEBC_PRIVATE_DATA *Private;
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EFI_MTFTP4_CONFIG_DATA Mtftp4Config;
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EFI_STATUS Status;
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EFI_PXE_BASE_CODE_MODE *Mode;
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EFI_MAC_ADDRESS TempMacAddr;
|
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if ((This == NULL) ||
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(Filename == NULL) ||
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@@ -584,6 +910,20 @@ EfiPxeBcMtftp (
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Status = EFI_DEVICE_ERROR;
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Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
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Mode = &Private->Mode;
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|
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if (!Mode->AutoArp) {
|
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//
|
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// If AutoArp is set false, check arp cache
|
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//
|
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UpdateArpCache (This);
|
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if (!FindInArpCache (Mode, &ServerIp->v4, &TempMacAddr)) {
|
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return EFI_DEVICE_ERROR;
|
||||
}
|
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}
|
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|
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Mode->TftpErrorReceived = FALSE;
|
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Mode->IcmpErrorReceived = FALSE;
|
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|
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Mtftp4Config.UseDefaultSetting = FALSE;
|
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Mtftp4Config.TimeoutValue = PXEBC_MTFTP_TIMEOUT;
|
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@@ -666,6 +1006,10 @@ EfiPxeBcMtftp (
|
||||
break;
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}
|
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|
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if (Status == EFI_ICMP_ERROR) {
|
||||
Mode->IcmpErrorReceived = TRUE;
|
||||
}
|
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|
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return Status;
|
||||
}
|
||||
|
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@@ -734,6 +1078,8 @@ EfiPxeBcUdpWrite (
|
||||
EFI_STATUS Status;
|
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BOOLEAN IsDone;
|
||||
UINT16 RandomSrcPort;
|
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EFI_PXE_BASE_CODE_MODE *Mode;
|
||||
EFI_MAC_ADDRESS TempMacAddr;
|
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|
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IsDone = FALSE;
|
||||
|
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@@ -762,11 +1108,24 @@ EfiPxeBcUdpWrite (
|
||||
|
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Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
|
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Udp4 = Private->Udp4;
|
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Mode = &Private->Mode;
|
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|
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if (!Private->AddressIsOk && (SrcIp == NULL)) {
|
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return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
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if (!Mode->AutoArp) {
|
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//
|
||||
// If AutoArp is set false, check arp cache
|
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//
|
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UpdateArpCache (This);
|
||||
if (!FindInArpCache (Mode, &DestIp->v4, &TempMacAddr)) {
|
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return EFI_DEVICE_ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
Mode->IcmpErrorReceived = FALSE;
|
||||
|
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if (SrcIp == NULL) {
|
||||
SrcIp = &Private->StationIp;
|
||||
|
||||
@@ -831,6 +1190,9 @@ EfiPxeBcUdpWrite (
|
||||
|
||||
Status = Udp4->Transmit (Udp4, &Token);
|
||||
if (EFI_ERROR (Status)) {
|
||||
if (Status == EFI_ICMP_ERROR) {
|
||||
Mode->IcmpErrorReceived = TRUE;
|
||||
}
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
@@ -881,7 +1243,7 @@ CheckIpByFilter (
|
||||
|
||||
CopyMem (&DestIp4Address, &Session->DestinationAddress, sizeof (DestIp4Address));
|
||||
if ((PxeBcMode->IpFilter.Filters & EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS_MULTICAST) &&
|
||||
IP4_IS_MULTICAST (NTOHL (EFI_IP4 (DestIp4Address)))
|
||||
IP4_IS_MULTICAST (EFI_NTOHL (DestIp4Address))
|
||||
) {
|
||||
return TRUE;
|
||||
}
|
||||
@@ -894,7 +1256,7 @@ CheckIpByFilter (
|
||||
|
||||
CopyMem (&Ip4Address, &PxeBcMode->StationIp.v4, sizeof (Ip4Address));
|
||||
if ((PxeBcMode->IpFilter.Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) &&
|
||||
EFI_IP4_EQUAL (&PxeBcMode->StationIp.v4, &DestIp4Address)
|
||||
EFI_IP4_EQUAL (&Ip4Address, &DestIp4Address)
|
||||
) {
|
||||
return TRUE;
|
||||
}
|
||||
@@ -999,6 +1361,8 @@ EfiPxeBcUdpRead (
|
||||
return EFI_NOT_STARTED;
|
||||
}
|
||||
|
||||
Mode->IcmpErrorReceived = FALSE;
|
||||
|
||||
Status = gBS->CreateEvent (
|
||||
EVT_NOTIFY_SIGNAL,
|
||||
TPL_NOTIFY,
|
||||
@@ -1013,6 +1377,9 @@ EfiPxeBcUdpRead (
|
||||
IsDone = FALSE;
|
||||
Status = Udp4->Receive (Udp4, &Token);
|
||||
if (EFI_ERROR (Status)) {
|
||||
if (Status == EFI_ICMP_ERROR) {
|
||||
Mode->IcmpErrorReceived = TRUE;
|
||||
}
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
@@ -1338,9 +1705,24 @@ EfiPxeBcArp (
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Status = Private->Arp->Request (Private->Arp, &IpAddr->v4, NULL, &TempMacAddr);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
Mode->IcmpErrorReceived = FALSE;
|
||||
|
||||
if (!Mode->AutoArp) {
|
||||
//
|
||||
// If AutoArp is set false, check arp cache
|
||||
//
|
||||
UpdateArpCache (This);
|
||||
if (!FindInArpCache (Mode, &IpAddr->v4, &TempMacAddr)) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
} else {
|
||||
Status = Private->Arp->Request (Private->Arp, &IpAddr->v4, NULL, &TempMacAddr);
|
||||
if (EFI_ERROR (Status)) {
|
||||
if (Status == EFI_ICMP_ERROR) {
|
||||
Mode->IcmpErrorReceived = TRUE;
|
||||
}
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
|
||||
if (MacAddr != NULL) {
|
||||
@@ -1519,11 +1901,13 @@ EfiPxeBcSetStationIP (
|
||||
}
|
||||
|
||||
if (NewStationIp != NULL) {
|
||||
Mode->StationIp = *NewStationIp;
|
||||
Mode->StationIp = *NewStationIp;
|
||||
Private->StationIp = *NewStationIp;
|
||||
}
|
||||
|
||||
if (NewSubnetMask != NULL) {
|
||||
Mode->SubnetMask = *NewSubnetMask;
|
||||
Mode->SubnetMask = *NewSubnetMask;
|
||||
Private->SubnetMask = *NewSubnetMask;
|
||||
}
|
||||
|
||||
Private->AddressIsOk = TRUE;
|
||||
@@ -1541,6 +1925,14 @@ EfiPxeBcSetStationIP (
|
||||
|
||||
Private->Arp->Configure (Private->Arp, NULL);
|
||||
Private->Arp->Configure (Private->Arp, &ArpConfigData);
|
||||
|
||||
//
|
||||
// Update the route table.
|
||||
//
|
||||
Mode->RouteTableEntries = 1;
|
||||
Mode->RouteTable[0].IpAddr.Addr[0] = Private->StationIp.Addr[0] & Private->SubnetMask.Addr[0];
|
||||
Mode->RouteTable[0].SubnetMask.Addr[0] = Private->SubnetMask.Addr[0];
|
||||
Mode->RouteTable[0].GwAddr.Addr[0] = 0;
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
@@ -1964,6 +2356,7 @@ EfiPxeLoadFile (
|
||||
BlockSize = 0x8000;
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
|
||||
CpuDeadLoop ();
|
||||
if (This == NULL || BufferSize == NULL) {
|
||||
|
||||
return EFI_INVALID_PARAMETER;
|
||||
|
Reference in New Issue
Block a user