/** @file\r
This implementation of EFI_PXE_BASE_CODE_PROTOCOL and EFI_LOAD_FILE_PROTOCOL.\r
\r
- Copyright (c) 2007 - 2012, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR>\r
\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
//\r
// Configure block size for TFTP as a default value to handle all link layers.\r
//\r
- Private->BlockSize = (UINTN) (Private->Ip6MaxPacketSize -\r
- PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE);\r
+ Private->BlockSize = Private->Ip6MaxPacketSize -\r
+ PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE;\r
\r
//\r
// PXE over IPv6 starts here, initialize the fields and list header.\r
//\r
Private->Ip6Policy = PXEBC_IP6_POLICY_MAX;\r
- Private->ProxyOffer.Dhcp6.Packet.Offer.Size = PXEBC_DHCP6_PACKET_MAX_SIZE;\r
- Private->DhcpAck.Dhcp6.Packet.Ack.Size = PXEBC_DHCP6_PACKET_MAX_SIZE;\r
- Private->PxeReply.Dhcp6.Packet.Ack.Size = PXEBC_DHCP6_PACKET_MAX_SIZE;\r
+ Private->ProxyOffer.Dhcp6.Packet.Offer.Size = PXEBC_CACHED_DHCP6_PACKET_MAX_SIZE;\r
+ Private->DhcpAck.Dhcp6.Packet.Ack.Size = PXEBC_CACHED_DHCP6_PACKET_MAX_SIZE;\r
+ Private->PxeReply.Dhcp6.Packet.Ack.Size = PXEBC_CACHED_DHCP6_PACKET_MAX_SIZE;\r
\r
for (Index = 0; Index < PXEBC_OFFER_MAX_NUM; Index++) {\r
- Private->OfferBuffer[Index].Dhcp6.Packet.Offer.Size = PXEBC_DHCP6_PACKET_MAX_SIZE;\r
+ Private->OfferBuffer[Index].Dhcp6.Packet.Offer.Size = PXEBC_CACHED_DHCP6_PACKET_MAX_SIZE;\r
}\r
\r
//\r
if (EFI_ERROR (Status)) {\r
goto ON_ERROR;\r
}\r
+\r
+ //\r
+ // Set Ip6 policy to Automatic to start the IP6 router discovery.\r
+ //\r
+ Status = PxeBcSetIp6Policy (Private);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_ERROR;\r
+ }\r
} else {\r
AsciiPrint ("\n>>Start PXE over IPv4");\r
//\r
//\r
// Configure block size for TFTP as a default value to handle all link layers.\r
//\r
- Private->BlockSize = (UINTN) (Private->Ip4MaxPacketSize -\r
- PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE);\r
+ Private->BlockSize = Private->Ip4MaxPacketSize -\r
+ PXEBC_DEFAULT_UDP_OVERHEAD_SIZE - PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE;\r
\r
//\r
// PXE over IPv4 starts here, initialize the fields.\r
//\r
- Private->ProxyOffer.Dhcp4.Packet.Offer.Size = PXEBC_DHCP4_PACKET_MAX_SIZE;\r
- Private->DhcpAck.Dhcp4.Packet.Ack.Size = PXEBC_DHCP4_PACKET_MAX_SIZE;\r
- Private->PxeReply.Dhcp4.Packet.Ack.Size = PXEBC_DHCP4_PACKET_MAX_SIZE;\r
+ Private->ProxyOffer.Dhcp4.Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r
+ Private->DhcpAck.Dhcp4.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r
+ Private->PxeReply.Dhcp4.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r
\r
for (Index = 0; Index < PXEBC_OFFER_MAX_NUM; Index++) {\r
- Private->OfferBuffer[Index].Dhcp4.Packet.Offer.Size = PXEBC_DHCP4_PACKET_MAX_SIZE;\r
+ Private->OfferBuffer[Index].Dhcp4.Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;\r
}\r
\r
PxeBcSeedDhcp4Packet (&Private->SeedPacket, Private->Udp4Read);\r
if (EFI_ERROR (Status)) {\r
goto ON_ERROR;\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_ERROR;\r
+ }\r
}\r
\r
//\r
gBS->CloseEvent (Private->IcmpToken.Event);\r
Private->IcmpToken.Event = NULL;\r
}\r
+ Private->BootFileName = NULL;\r
}\r
\r
gBS->CloseEvent (Private->UdpTimeOutEvent);\r
Private->BootFileSize = 0;\r
Private->SolicitTimes = 0;\r
Private->ElapsedTime = 0;\r
+ ZeroMem (&Private->StationIp, sizeof (EFI_IP_ADDRESS));\r
+ ZeroMem (&Private->SubnetMask, sizeof (EFI_IP_ADDRESS));\r
+ ZeroMem (&Private->GatewayIp, sizeof (EFI_IP_ADDRESS));\r
+ ZeroMem (&Private->ServerIp, sizeof (EFI_IP_ADDRESS));\r
\r
//\r
// Reset the mode data.\r
// Start S.A.R.R. process to get a IPv6 address and other boot information.\r
//\r
Status = PxeBcDhcp6Sarr (Private, Private->Dhcp6);\r
-\r
- if (EFI_ERROR (Status)) {\r
- goto ON_EXIT;\r
- }\r
} else {\r
\r
//\r
// Start D.O.R.A. process to get a IPv4 address and other boot information.\r
//\r
Status = PxeBcDhcp4Dora (Private, Private->Dhcp4);\r
-\r
- if (EFI_ERROR (Status)) {\r
- goto ON_EXIT;\r
- }\r
}\r
- \r
-ON_EXIT:\r
+\r
+ //\r
+ // Reconfigure the UDP instance with the default configuration.\r
+ //\r
if (Mode->UsingIpv6) {\r
Private->Udp6Read->Configure (Private->Udp6Read, &Private->Udp6CfgData);\r
} else {\r
//\r
// There are 3 methods to get the information for discover.\r
//\r
+ ZeroMem (&DefaultInfo, sizeof (EFI_PXE_BASE_CODE_DISCOVER_INFO));\r
if (*Layer != EFI_PXE_BASE_CODE_BOOT_LAYER_INITIAL) {\r
//\r
// 1. Take the previous setting as the discover info.\r
if (EFI_ERROR (Status)) {\r
goto ON_EXIT;\r
}\r
+ ASSERT (NewCreatedInfo != NULL);\r
Info = NewCreatedInfo;\r
} else {\r
//\r
if (Index != Info->IpCnt) {\r
//\r
// It's invalid if the first server doesn't accecpt any response\r
- // and meanwhile any of the rest servers accept any reponse.\r
+ // but any of the other servers does accept any response.\r
//\r
Status = EFI_INVALID_PARAMETER;\r
goto ON_EXIT;\r
}\r
}\r
\r
- if (EFI_ERROR (Status)) {\r
- goto ON_EXIT;\r
- } else {\r
+ if (!EFI_ERROR (Status)) {\r
//\r
// Parse the cached PXE reply packet, and store it into mode data if valid.\r
//\r
(BufferSize == NULL) ||\r
(ServerIp == NULL) ||\r
((BufferPtr == NULL) && DontUseBuffer) ||\r
- ((BlockSize != NULL) && (*BlockSize < PXE_MTFTP_DEFAULT_BLOCK_SIZE)) ||\r
- (!NetIp4IsUnicast (NTOHL (ServerIp->Addr[0]), 0) && !NetIp6IsValidUnicast (&ServerIp->v6))) {\r
+ ((BlockSize != NULL) && (*BlockSize < PXE_MTFTP_DEFAULT_BLOCK_SIZE))) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);\r
Mode = Private->PxeBc.Mode;\r
\r
+ if (Mode->UsingIpv6) {\r
+ if (!NetIp6IsValidUnicast (&ServerIp->v6)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ } else {\r
+ if (IP4_IS_UNSPECIFIED (NTOHL (ServerIp->Addr[0])) || IP4_IS_LOCAL_BROADCAST (NTOHL (ServerIp->Addr[0]))) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+\r
if (Mode->UsingIpv6) {\r
//\r
// Set configuration data for Mtftp6 instance.\r
Mode->IcmpErrorReceived = TRUE;\r
}\r
\r
- if (EFI_ERROR (Status)) {\r
- goto ON_EXIT;\r
- }\r
- \r
-ON_EXIT:\r
+ //\r
+ // Reconfigure the UDP instance with the default configuration.\r
+ //\r
if (Mode->UsingIpv6) {\r
Private->Udp6Read->Configure (Private->Udp6Read, &Private->Udp6CfgData);\r
} else {\r
DoNotFragment = TRUE;\r
}\r
\r
- if (!Mode->UsingIpv6 && GatewayIp != NULL && !NetIp4IsUnicast (NTOHL (GatewayIp->Addr[0]), 0)) {\r
+ if (!Mode->UsingIpv6 && GatewayIp != NULL && Mode->SubnetMask.Addr[0] != 0 && \r
+ !NetIp4IsUnicast (NTOHL (GatewayIp->Addr[0]), EFI_NTOHL(Mode->SubnetMask))) {\r
//\r
// Gateway is provided but it's not a unicast IPv4 address, while it will be ignored for IPv6.\r
//\r
&Private->SubnetMask.v4,\r
&Private->GatewayIp.v4,\r
&Private->CurSrcPort,\r
- DoNotFragment\r
+ DoNotFragment,\r
+ Private->Mode.TTL,\r
+ Private->Mode.ToS\r
);\r
}\r
\r
UINTN FragmentIndex;\r
UINT8 *FragmentBuffer;\r
\r
- if (This == NULL || DestIp == NULL || DestPort == NULL) {\r
+ if (This == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
Udp4Rx = NULL;\r
Udp6Rx = NULL;\r
\r
- if (((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_PORT) != 0 && DestPort == NULL) ||\r
- ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP) != 0 && SrcIp == NULL) ||\r
- ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT) != 0 && SrcPort == NULL)) {\r
+ if (((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_PORT) == 0 && DestPort == NULL) ||\r
+ ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP) == 0 && SrcIp == NULL) ||\r
+ ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT) == 0 && SrcPort == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
//\r
return EFI_INVALID_PARAMETER;\r
}\r
- if ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) != 0 &&\r
- (NetIp4IsUnicast (EFI_IP4 (NewFilter->IpList[Index].v4), 0) ||\r
- NetIp6IsValidUnicast (&NewFilter->IpList[Index].v6))) {\r
- //\r
- // If EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP is set and IPv4/IPv6 address\r
- // is in IpList, promiscuous mode is needed.\r
- //\r
+ if (Mode->UsingIpv6) {\r
+ if ((NewFilter->Filters & EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) != 0 &&\r
+ NetIp6IsValidUnicast (&NewFilter->IpList[Index].v6)) {\r
+ NeedPromiscuous = TRUE;\r
+ }\r
+ } else 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.v4)) &&\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
NeedPromiscuous = TRUE;\r
}\r
}\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- if (NewStationIp != NULL &&\r
- (!NetIp4IsUnicast (NTOHL (NewStationIp->Addr[0]), 0) &&\r
- !NetIp6IsValidUnicast (&NewStationIp->v6))) {\r
+ if (NewStationIp != NULL && !NetIp6IsValidUnicast (&NewStationIp->v6)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
+ if (!Mode->UsingIpv6 && NewStationIp != NULL) {\r
+ if (IP4_IS_UNSPECIFIED(NTOHL (NewStationIp->Addr[0])) || \r
+ IP4_IS_LOCAL_BROADCAST(NTOHL (NewStationIp->Addr[0])) ||\r
+ (NewSubnetMask != NULL && NewSubnetMask->Addr[0] != 0 && !NetIp4IsUnicast (NTOHL (NewStationIp->Addr[0]), NTOHL (NewSubnetMask->Addr[0])))) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+ \r
if (!Mode->Started) {\r
return EFI_NOT_STARTED;\r
}\r
CopyMem (&Private->SubnetMask ,NewSubnetMask, sizeof (EFI_IP_ADDRESS));\r
}\r
\r
- Status = PxeBcFlushStaionIp (Private, NewStationIp, NewSubnetMask);\r
+ Status = PxeBcFlushStationIp (Private, NewStationIp, NewSubnetMask);\r
ON_EXIT:\r
return Status;\r
}\r
EFI_STATUS Status;\r
BOOLEAN MediaPresent;\r
\r
+ if (FilePath == NULL || !IsDevicePathEnd (FilePath)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
VirtualNic = PXEBC_VIRTUAL_NIC_FROM_LOADFILE (This);\r
Private = VirtualNic->Private;\r
PxeBc = &Private->PxeBc;\r
// Start Pxe Base Code to initialize PXE boot.\r
//\r
Status = PxeBc->Start (PxeBc, UsingIpv6);\r
+ if (Status == EFI_ALREADY_STARTED && UsingIpv6 != PxeBc->Mode->UsingIpv6) {\r
+ //\r
+ // PxeBc protocol has already been started but not on the required IP version, restart it.\r
+ //\r
+ Status = PxeBc->Stop (PxeBc);\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = PxeBc->Start (PxeBc, UsingIpv6);\r
+ }\r
+ }\r
if (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED) {\r
Status = PxeBcLoadBootFile (Private, BufferSize, Buffer);\r
}\r
// 3. unsupported.\r
//\r
PxeBc->Stop (PxeBc);\r
+ } else {\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 these programs which \r
+ // also need to use DHCP4 will be impacted.\r
+ //\r
+ if (!PxeBc->Mode->UsingIpv6) {\r
+ Private->Dhcp4->Stop (Private->Dhcp4);\r
+ Private->Dhcp4->Configure (Private->Dhcp4, NULL);\r
+ }\r
}\r
\r
return Status;\r
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