sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

1. Support netboot6 tftp URL format like tftp://[aaaa::bbbb]/myfile.efi;mode=octet, other mode is rejected.

Browse Source 
2. Fix bug in PXE driver UdpRead function to handle the IP fragmentation.

Signed-off-by: sfu5
Reviewed-by: xdu2
Reviewed-by: hhuan13

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12308 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
sfu5
2011-09-09 08:31:08 +00:00
parent afc5448e18
commit eb2710af5b
2 changed files with 98 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

111
NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
View File

@@ -1228,6 +1228,12 @@ EfiPxeBcUdpRead (
BOOLEAN IsDone;
BOOLEAN IsMatched;
UINTN CopiedLen;
UINTN HeaderLen;
UINTN HeaderCopiedLen;
UINTN BufferCopiedLen;
UINT32 FragmentLength;
UINTN FragmentIndex;
UINT8 *FragmentBuffer;
if (This == NULL || DestIp == NULL || DestPort == NULL) {
return EFI_INVALID_PARAMETER;
@@ -1342,26 +1348,53 @@ EfiPxeBcUdpRead (
//
// Copy the rececived packet to user if matched by filter.
//
CopiedLen = 0;
if (Mode->UsingIpv6) {
Udp6Rx = Udp6Token.Packet.RxData;
ASSERT (Udp6Rx != NULL);
//
// Copy the header part of received data.
//
HeaderLen = 0;
if (HeaderSize != NULL) {
CopiedLen = MIN (*HeaderSize, Udp6Rx->DataLength);
*HeaderSize = CopiedLen;
CopyMem (HeaderPtr, Udp6Rx->FragmentTable[0].FragmentBuffer, *HeaderSize);
HeaderLen = MIN (*HeaderSize, Udp6Rx->DataLength);
}
//
// Copy the other part of received data.
//
if (Udp6Rx->DataLength - CopiedLen > *BufferSize) {
if (Udp6Rx->DataLength - HeaderLen > *BufferSize) {
Status = EFI_BUFFER_TOO_SMALL;
} else {
*BufferSize = Udp6Rx->DataLength - CopiedLen;
CopyMem (BufferPtr, (UINT8 *) Udp6Rx->FragmentTable[0].FragmentBuffer + CopiedLen, *BufferSize);
*HeaderSize = HeaderLen;
*BufferSize = Udp6Rx->DataLength - HeaderLen;
HeaderCopiedLen = 0;
BufferCopiedLen = 0;
for (FragmentIndex = 0; FragmentIndex < Udp6Rx->FragmentCount; FragmentIndex++) {
FragmentLength = Udp6Rx->FragmentTable[FragmentIndex].FragmentLength;
FragmentBuffer = Udp6Rx->FragmentTable[FragmentIndex].FragmentBuffer;
if (HeaderCopiedLen + FragmentLength < HeaderLen) {
//
// Copy the header part of received data.
//
CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen, FragmentBuffer, FragmentLength);
HeaderCopiedLen += FragmentLength;
} else if (HeaderCopiedLen < HeaderLen) {
//
// Copy the header part of received data.
//
CopiedLen = HeaderLen - HeaderCopiedLen;
CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen, FragmentBuffer, CopiedLen);
HeaderCopiedLen += CopiedLen;
//
// Copy the other part of received data.
//
CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen, FragmentBuffer + CopiedLen, FragmentLength - CopiedLen);
BufferCopiedLen += (FragmentLength - CopiedLen);
} else {
//
// Copy the other part of received data.
//
CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen, FragmentBuffer, FragmentLength);
BufferCopiedLen += FragmentLength;
}
}
}
//
// Recycle the receiving buffer after copy to user.
@@ -1370,22 +1403,50 @@ EfiPxeBcUdpRead (
} else {
Udp4Rx = Udp4Token.Packet.RxData;
ASSERT (Udp4Rx != NULL);
//
// Copy the header part of received data.
//
HeaderLen = 0;
if (HeaderSize != NULL) {
CopiedLen = MIN (*HeaderSize, Udp4Rx->DataLength);
*HeaderSize = CopiedLen;
CopyMem (HeaderPtr, Udp4Rx->FragmentTable[0].FragmentBuffer, *HeaderSize);
HeaderLen = MIN (*HeaderSize, Udp4Rx->DataLength);
}
//
// Copy the other part of received data.
//
if (Udp4Rx->DataLength - CopiedLen > *BufferSize) {
if (Udp4Rx->DataLength - HeaderLen > *BufferSize) {
Status = EFI_BUFFER_TOO_SMALL;
} else {
*BufferSize = Udp4Rx->DataLength - CopiedLen;
CopyMem (BufferPtr, (UINT8 *) Udp4Rx->FragmentTable[0].FragmentBuffer + CopiedLen, *BufferSize);
*HeaderSize = HeaderLen;
*BufferSize = Udp4Rx->DataLength - HeaderLen;
HeaderCopiedLen = 0;
BufferCopiedLen = 0;
for (FragmentIndex = 0; FragmentIndex < Udp4Rx->FragmentCount; FragmentIndex++) {
FragmentLength = Udp4Rx->FragmentTable[FragmentIndex].FragmentLength;
FragmentBuffer = Udp4Rx->FragmentTable[FragmentIndex].FragmentBuffer;
if (HeaderCopiedLen + FragmentLength < HeaderLen) {
//
// Copy the header part of received data.
//
CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen, FragmentBuffer, FragmentLength);
HeaderCopiedLen += FragmentLength;
} else if (HeaderCopiedLen < HeaderLen) {
//
// Copy the header part of received data.
//
CopiedLen = HeaderLen - HeaderCopiedLen;
CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen, FragmentBuffer, CopiedLen);
HeaderCopiedLen += CopiedLen;
//
// Copy the other part of received data.
//
CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen, FragmentBuffer + CopiedLen, FragmentLength - CopiedLen);
BufferCopiedLen += (FragmentLength - CopiedLen);
} else {
//
// Copy the other part of received data.
//
CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen, FragmentBuffer, FragmentLength);
BufferCopiedLen += FragmentLength;
}
}
}
//
// Recycle the receiving buffer after copy to user.