/** @file\r
Interface routines for PxeBc.\r
\r
-Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
}\r
\r
if (EFI_IP4 (RxData->Header->SourceAddress) != 0 &&\r
- !NetIp4IsUnicast (EFI_NTOHL (RxData->Header->SourceAddress), 0)) {\r
+ (NTOHL (Mode->SubnetMask.Addr[0]) != 0) &&\r
+ IP4_NET_EQUAL (NTOHL(Mode->StationIp.Addr[0]), EFI_NTOHL (RxData->Header->SourceAddress), NTOHL (Mode->SubnetMask.Addr[0])) &&\r
+ !NetIp4IsUnicast (EFI_NTOHL (RxData->Header->SourceAddress), NTOHL (Mode->SubnetMask.Addr[0]))) {\r
//\r
// The source address is not zero and it's not a unicast IP address, discard it.\r
//\r
//\r
// Configure block size for TFTP as a default value to handle all link layers.\r
// \r
- Private->BlockSize = (UINTN) (MIN (Private->Ip4MaxPacketSize, PXEBC_DEFAULT_PACKET_SIZE) - \r
- PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE);\r
+ Private->BlockSize = MIN (Private->Ip4MaxPacketSize, PXEBC_DEFAULT_PACKET_SIZE) -\r
+ PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE;\r
//\r
// If PcdTftpBlockSize is set to non-zero, override the default value.\r
//\r
goto ON_EXIT;\r
}\r
\r
+ //\r
+ //DHCP4 service allows only one of its children to be configured in \r
+ //the active state, If the DHCP4 D.O.R.A started by IP4 auto \r
+ //configuration and has not been completed, the Dhcp4 state machine \r
+ //will not be in the right state for the PXE to start a new round D.O.R.A. \r
+ //so we need to switch it's policy to static.\r
+ //\r
+ Status = PxeBcSetIp4Policy (Private);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
+ \r
Status = Private->Ip4->Configure (Private->Ip4, &Private->Ip4ConfigData);\r
if (EFI_ERROR (Status)) {\r
goto ON_EXIT;\r
ZeroMem (Private->ProxyIndex, sizeof (Private->ProxyIndex));\r
\r
Status = Dhcp4->Start (Dhcp4, NULL);\r
- if (EFI_ERROR (Status)) {\r
+ if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r
if (Status == EFI_ICMP_ERROR) {\r
Mode->IcmpErrorReceived = TRUE;\r
}\r
// finished, set the various Mode members.\r
//\r
Status = PxeBcCheckSelectedOffer (Private);\r
- if (!EFI_ERROR (Status)) {\r
- goto ON_EXIT;\r
- }\r
\r
ON_EXIT:\r
if (EFI_ERROR (Status)) {\r
}\r
}\r
\r
+ Private->Udp4Read->Configure (Private->Udp4Read, &Private->Udp4CfgData);\r
+\r
//\r
// Dhcp(), Discover(), and Mtftp() set the IP filter, and return with the IP \r
// receive filter list emptied and the filter set to EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP.\r
// If info isn't offered,\r
// use the cached DhcpAck and ProxyOffer packets.\r
//\r
+ ZeroMem (&DefaultInfo, sizeof (EFI_PXE_BASE_CODE_DISCOVER_INFO));\r
if (*Layer != EFI_PXE_BASE_CODE_BOOT_LAYER_INITIAL) {\r
\r
if (!Mode->PxeDiscoverValid || !Mode->PxeReplyReceived || (!Mode->PxeBisReplyReceived && UseBis)) {\r
} else {\r
Status = EFI_DEVICE_ERROR;\r
}\r
+ goto ON_EXIT;\r
} else {\r
PxeBcParseCachedDhcpPacket (&Private->PxeReply);\r
}\r
\r
ON_EXIT:\r
\r
+ Private->Udp4Read->Configure (Private->Udp4Read, &Private->Udp4CfgData);\r
+ \r
//\r
// Dhcp(), Discover(), and Mtftp() set the IP filter, and return with the IP \r
// receive filter list emptied and the filter set to EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP.\r
if ((This == NULL) ||\r
(Filename == NULL) ||\r
(BufferSize == NULL) ||\r
- ((ServerIp == NULL) || !NetIp4IsUnicast (NTOHL (ServerIp->Addr[0]), 0)) ||\r
+ ((ServerIp == NULL) || \r
+ (IP4_IS_UNSPECIFIED (NTOHL (ServerIp->Addr[0])) || \r
+ IP4_IS_LOCAL_BROADCAST (NTOHL (ServerIp->Addr[0])))) ||\r
((BufferPtr == NULL) && DontUseBuffer) ||\r
((BlockSize != NULL) && (*BlockSize < 512))) {\r
\r
Mode->IcmpErrorReceived = TRUE;\r
}\r
\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_EXIT;\r
+ }\r
+\r
+ON_EXIT:\r
+ Private->Udp4Read->Configure (Private->Udp4Read, &Private->Udp4CfgData);\r
//\r
// Dhcp(), Discover(), and Mtftp() set the IP filter, and return with the IP \r
// receive filter list emptied and the filter set to EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP.\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- if ((GatewayIp != NULL) && !NetIp4IsUnicast (NTOHL (GatewayIp->Addr[0]), 0)) {\r
+ if ((GatewayIp != NULL) && (IP4_IS_UNSPECIFIED (NTOHL (GatewayIp->Addr[0])) || IP4_IS_LOCAL_BROADCAST (NTOHL (GatewayIp->Addr[0])))) {\r
//\r
// Gateway is provided but it's not a unicast IP address.\r
//\r
&Private->StationIp.v4,\r
&Private->SubnetMask.v4,\r
&Private->GatewayIp.v4,\r
- &Private->CurrentUdpSrcPort\r
+ &Private->CurrentUdpSrcPort,\r
+ Private->Mode.TTL,\r
+ Private->Mode.ToS\r
);\r
if (EFI_ERROR (Status)) {\r
Private->CurrentUdpSrcPort = 0;\r
EFI_STATUS Status;\r
BOOLEAN IsDone;\r
BOOLEAN Matched;\r
- UINTN CopyLen;\r
+ UINTN CopiedLen;\r
+ UINTN HeaderLen;\r
+ UINTN HeaderCopiedLen;\r
+ UINTN BufferCopiedLen;\r
+ UINT32 FragmentLength;\r
+ UINTN FragmentIndex;\r
+ UINT8 *FragmentBuffer;\r
\r
if (This == NULL || DestIp == NULL || DestPort == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
if (Matched) {\r
+ ASSERT (RxData != NULL);\r
\r
- CopyLen = 0;\r
-\r
+ HeaderLen = 0;\r
if (HeaderSize != NULL) {\r
- CopyLen = MIN (*HeaderSize, RxData->DataLength);\r
- CopyMem (HeaderPtr, RxData->FragmentTable[0].FragmentBuffer, CopyLen);\r
- *HeaderSize = CopyLen;\r
+ HeaderLen = MIN (*HeaderSize, RxData->DataLength);\r
}\r
\r
- if (RxData->DataLength - CopyLen > *BufferSize) {\r
-\r
+ if (RxData->DataLength - HeaderLen > *BufferSize) {\r
Status = EFI_BUFFER_TOO_SMALL;\r
} else {\r
-\r
- *BufferSize = RxData->DataLength - CopyLen;\r
- CopyMem (\r
- BufferPtr,\r
- (UINT8 *) RxData->FragmentTable[0].FragmentBuffer + CopyLen,\r
- *BufferSize\r
- );\r
+ *HeaderSize = HeaderLen;\r
+ *BufferSize = RxData->DataLength - HeaderLen;\r
+\r
+ HeaderCopiedLen = 0;\r
+ BufferCopiedLen = 0;\r
+ for (FragmentIndex = 0; FragmentIndex < RxData->FragmentCount; FragmentIndex++) {\r
+ FragmentLength = RxData->FragmentTable[FragmentIndex].FragmentLength;\r
+ FragmentBuffer = RxData->FragmentTable[FragmentIndex].FragmentBuffer;\r
+ if (HeaderCopiedLen + FragmentLength < HeaderLen) {\r
+ //\r
+ // Copy the header part of received data.\r
+ //\r
+ CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen, FragmentBuffer, FragmentLength);\r
+ HeaderCopiedLen += FragmentLength;\r
+ } else if (HeaderCopiedLen < HeaderLen) {\r
+ //\r
+ // Copy the header part of received data.\r
+ //\r
+ CopiedLen = HeaderLen - HeaderCopiedLen;\r
+ CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen, FragmentBuffer, CopiedLen);\r
+ HeaderCopiedLen += CopiedLen;\r
+\r
+ //\r
+ // Copy the other part of received data.\r
+ //\r
+ CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen, FragmentBuffer + CopiedLen, FragmentLength - CopiedLen);\r
+ BufferCopiedLen += (FragmentLength - CopiedLen);\r
+ } else {\r
+ //\r
+ // Copy the other part of received data.\r
+ //\r
+ CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen, FragmentBuffer, FragmentLength);\r
+ BufferCopiedLen += FragmentLength;\r
+ }\r
+ }\r
}\r
} else {\r
\r
PXEBC_PRIVATE_DATA *Private;\r
EFI_PXE_BASE_CODE_MODE *Mode;\r
UINTN Index;\r
+ EFI_UDP4_CONFIG_DATA *Udp4Cfg;\r
BOOLEAN PromiscuousNeed;\r
+ BOOLEAN AcceptPromiscuous;\r
+ BOOLEAN AcceptBroadcast;\r
+ BOOLEAN MultiCastUpdate;\r
\r
if (This == NULL) {\r
DEBUG ((EFI_D_ERROR, "This == NULL.\n"));\r
return EFI_NOT_STARTED;\r
}\r
\r
+ if (Mode->UsingIpv6) {\r
+ DEBUG ((EFI_D_ERROR, "This driver is PXE for IPv4 Only.\n"));\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
PromiscuousNeed = FALSE;\r
\r
for (Index = 0; Index < NewFilter->IpCnt; ++Index) {\r
DEBUG ((EFI_D_ERROR, "There is broadcast address in NewFilter.\n"));\r
return EFI_INVALID_PARAMETER;\r
}\r
- if (NetIp4IsUnicast (EFI_IP4 (NewFilter->IpList[Index].v4), 0) &&\r
- ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) != 0)\r
- ) {\r
+ if ((EFI_NTOHL(Mode->StationIp) != 0) &&\r
+ (EFI_NTOHL(Mode->SubnetMask) != 0) &&\r
+ IP4_NET_EQUAL(EFI_NTOHL(Mode->StationIp), EFI_NTOHL(NewFilter->IpList[Index].v4), EFI_NTOHL(Mode->SubnetMask)) &&\r
+ NetIp4IsUnicast (EFI_IP4 (NewFilter->IpList[Index].v4), EFI_NTOHL(Mode->SubnetMask)) &&\r
+ ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) != 0)) {\r
//\r
// If EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP is set and IP4 address is in IpList,\r
// promiscuous mode is needed.\r
}\r
}\r
\r
- //\r
- // Clear the UDP instance configuration, all joined groups will be left\r
- // during the operation.\r
- //\r
- Private->Udp4Read->Configure (Private->Udp4Read, NULL);\r
- Private->Udp4CfgData.AcceptPromiscuous = FALSE;\r
- Private->Udp4CfgData.AcceptBroadcast = FALSE;\r
+ AcceptPromiscuous = FALSE;\r
+ AcceptBroadcast = FALSE;\r
+ MultiCastUpdate = FALSE;\r
\r
if (PromiscuousNeed ||\r
((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS) != 0) ||\r
((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS_MULTICAST) != 0)\r
) {\r
//\r
- // Configure the udp4 filter to receive all packages\r
+ // Configure the udp4 filter to receive all packages.\r
//\r
- Private->Udp4CfgData.AcceptPromiscuous = TRUE;\r
-\r
+ AcceptPromiscuous = TRUE;\r
+ } else if ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST) != 0) {\r
//\r
- // Configure the UDP instance with the new configuration.\r
+ // Configure the udp4 filter to receive all broadcast packages.\r
//\r
- Status = Private->Udp4Read->Configure (Private->Udp4Read, &Private->Udp4CfgData);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- } else {\r
+ AcceptBroadcast = TRUE;\r
+ }\r
\r
- if ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST) != 0) {\r
- //\r
- // Configure the udp4 filter to receive all broadcast packages\r
- //\r
- Private->Udp4CfgData.AcceptBroadcast = TRUE;\r
+ //\r
+ // In multicast condition when Promiscuous FALSE and IpCnt no-zero.\r
+ // Here check if there is any update of the multicast ip address. If yes,\r
+ // we need leave the old multicast group (by Config UDP instance to NULL),\r
+ // and join the new multicast group.\r
+ //\r
+ if (!AcceptPromiscuous) {\r
+ if ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) != 0) {\r
+ if (Mode->IpFilter.IpCnt != NewFilter->IpCnt) {\r
+ MultiCastUpdate = TRUE;\r
+ } else if (CompareMem (Mode->IpFilter.IpList, NewFilter->IpList, NewFilter->IpCnt * sizeof (EFI_IP_ADDRESS)) != 0 ) {\r
+ MultiCastUpdate = TRUE;\r
+ }\r
}\r
+ }\r
+ \r
+ //\r
+ // Check whether we need reconfigure the UDP instance.\r
+ //\r
+ Udp4Cfg = &Private->Udp4CfgData;\r
+ if ((AcceptPromiscuous != Udp4Cfg->AcceptPromiscuous) ||\r
+ (AcceptBroadcast != Udp4Cfg->AcceptBroadcast) || MultiCastUpdate) {\r
+ //\r
+ // Clear the UDP instance configuration, all joined groups will be left\r
+ // during the operation.\r
+ //\r
+ Private->Udp4Read->Configure (Private->Udp4Read, NULL);\r
\r
//\r
// Configure the UDP instance with the new configuration.\r
//\r
- Status = Private->Udp4Read->Configure (Private->Udp4Read, &Private->Udp4CfgData);\r
+ Udp4Cfg->AcceptPromiscuous = AcceptPromiscuous;\r
+ Udp4Cfg->AcceptBroadcast = AcceptBroadcast;\r
+ Status = Private->Udp4Read->Configure (Private->Udp4Read, Udp4Cfg);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
\r
- if ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) != 0) {\r
-\r
+ //\r
+ // In not Promiscuous mode, need to join the new multicast group.\r
+ //\r
+ if (!AcceptPromiscuous) {\r
for (Index = 0; Index < NewFilter->IpCnt; ++Index) {\r
if (IP4_IS_MULTICAST (EFI_NTOHL (NewFilter->IpList[Index].v4))) {\r
//\r
- // Join the mutilcast group\r
+ // Join the mutilcast group.\r
//\r
Status = Private->Udp4Read->Groups (Private->Udp4Read, TRUE, &NewFilter->IpList[Index].v4);\r
if (EFI_ERROR (Status)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- if (NewStationIp != NULL && !NetIp4IsUnicast (NTOHL (NewStationIp->Addr[0]), 0)) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
if (NewSubnetMask != NULL && !IP4_IS_VALID_NETMASK (NTOHL (NewSubnetMask->Addr[0]))) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
+ if (NewStationIp != NULL) {\r
+ if (IP4_IS_UNSPECIFIED(NTOHL (NewStationIp->Addr[0])) || \r
+ IP4_IS_LOCAL_BROADCAST(NTOHL (NewStationIp->Addr[0])) ||\r
+ (NewSubnetMask != NULL && !NetIp4IsUnicast (NTOHL (NewStationIp->Addr[0]), NTOHL (NewSubnetMask->Addr[0])))) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+ \r
Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);\r
Mode = Private->PxeBc.Mode;\r
\r
UINT64 TmpBufSize;\r
BOOLEAN MediaPresent;\r
\r
+ if (FilePath == NULL || !IsDevicePathEnd (FilePath)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
Private = PXEBC_PRIVATE_DATA_FROM_LOADFILE (This);\r
PxeBc = &Private->PxeBc;\r
NewMakeCallback = FALSE;\r
//\r
if (Status == EFI_SUCCESS) {\r
//\r
+ // The DHCP4 can have only one configured child instance so we need to stop\r
+ // reset the DHCP4 child before we return. Otherwise the other programs which \r
+ // also need to use DHCP4 will be impacted.\r
// The functionality of PXE Base Code protocol will not be stopped,\r
// when downloading is successfully.\r
//\r
+ Private->Dhcp4->Stop (Private->Dhcp4);\r
+ Private->Dhcp4->Configure (Private->Dhcp4, NULL);\r
return EFI_SUCCESS;\r
\r
} else if (Status == EFI_BUFFER_TOO_SMALL) {\r
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