diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-04-02 08:45:36 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-04-02 08:45:36 +0000 |
| commit | 982a9eaea270fdc05d60d570e3d0e4d168654c05 (patch) | |
| tree | 1b6c7f82c07fb4d7bf60fea12e3b2aad9631e36a /MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c | |
| parent | 4965dd562e2d858c5085145de9c6a89f1c7bc020 (diff) | |
| download | edk2-platforms-982a9eaea270fdc05d60d570e3d0e4d168654c05.tar.xz | |
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
Diffstat (limited to 'MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c index b5381c7c6f..539468015f 100644 --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c +++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c @@ -754,11 +754,14 @@ PxeBcDhcpCallBack ( UINT16 Value;
EFI_STATUS Status;
BOOLEAN Received;
+ CHAR8 *SystemSerialNumber;
+ EFI_DHCP4_HEADER *DhcpHeader;
if ((Dhcp4Event != Dhcp4RcvdOffer) &&
(Dhcp4Event != Dhcp4SelectOffer) &&
(Dhcp4Event != Dhcp4SendDiscover) &&
- (Dhcp4Event != Dhcp4RcvdAck)) {
+ (Dhcp4Event != Dhcp4RcvdAck) &&
+ (Dhcp4Event != Dhcp4SendRequest)) {
return EFI_SUCCESS;
}
@@ -798,10 +801,32 @@ PxeBcDhcpCallBack ( switch (Dhcp4Event) {
case Dhcp4SendDiscover:
- //
- // Cache the dhcp discover packet, of which some information will be used later.
- //
- CopyMem (Mode->DhcpDiscover.Raw, &Packet->Dhcp4, Packet->Length);
+ case Dhcp4SendRequest:
+ if (Mode->SendGUID) {
+ //
+ // send the system GUID instead of the MAC address as the hardware address
+ // in the DHCP packet header.
+ //
+ DhcpHeader = &Packet->Dhcp4.Header;
+
+ if (EFI_ERROR (GetSmbiosSystemGuidAndSerialNumber ((EFI_GUID *) DhcpHeader->ClientHwAddr, &SystemSerialNumber))) {
+ //
+ // GUID not yet set - send all 0xff's to show programable (via SetVariable)
+ // SetMem(DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid, sizeof(EFI_GUID), 0xff);
+ // GUID not yet set - send all 0's to show not programable
+ //
+ ZeroMem (DhcpHeader->ClientHwAddr, sizeof (EFI_GUID));
+ }
+
+ DhcpHeader->HwAddrLen = sizeof (EFI_GUID);
+ }
+
+ if (Dhcp4Event == Dhcp4SendDiscover) {
+ //
+ // Cache the dhcp discover packet, of which some information will be used later.
+ //
+ CopyMem (Mode->DhcpDiscover.Raw, &Packet->Dhcp4, Packet->Length);
+ }
break;
@@ -1044,6 +1069,9 @@ PxeBcDiscvBootService ( EFI_DHCP4_PACKET_OPTION *PxeOpt;
PXEBC_OPTION_BOOT_ITEM *PxeBootItem;
UINT8 VendorOptLen;
+ CHAR8 *SystemSerialNumber;
+ EFI_DHCP4_HEADER *DhcpHeader;
+
Mode = Private->PxeBc.Mode;
Dhcp4 = Private->Dhcp4;
@@ -1098,6 +1126,18 @@ PxeBcDiscvBootService ( return Status;
}
+ DhcpHeader = &Token.Packet->Dhcp4.Header;
+ if (Mode->SendGUID) {
+ if (EFI_ERROR (GetSmbiosSystemGuidAndSerialNumber ((EFI_GUID *) DhcpHeader->ClientHwAddr, &SystemSerialNumber))) {
+ //
+ // GUID not yet set - send all 0's to show not programable
+ //
+ ZeroMem (DhcpHeader->ClientHwAddr, sizeof (EFI_GUID));
+ }
+
+ DhcpHeader->HwAddrLen = sizeof (EFI_GUID);
+ }
+
Token.Packet->Dhcp4.Header.Xid = NET_RANDOM (NetRandomInitSeed ());
Token.Packet->Dhcp4.Header.Reserved = (UINT16) ((IsBCast) ? 0xf000 : 0x0);
CopyMem (&Token.Packet->Dhcp4.Header.ClientAddr, &Private->StationIp, sizeof (EFI_IPv4_ADDRESS));
|