diff options
Diffstat (limited to 'MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c index 95f6e9d..ad7d139 100644 --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c +++ b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c @@ -1117,6 +1117,7 @@ PxeBcDiscvBootService ( UINT8 VendorOptLen;
CHAR8 *SystemSerialNumber;
EFI_DHCP4_HEADER *DhcpHeader;
+ UINT32 Xid;
Mode = Private->PxeBc.Mode;
@@ -1183,14 +1184,15 @@ PxeBcDiscvBootService ( DhcpHeader->HwAddrLen = sizeof (EFI_GUID);
}
-
- Token.Packet->Dhcp4.Header.Xid = NET_RANDOM (NetRandomInitSeed ());
- Token.Packet->Dhcp4.Header.Reserved = (UINT16) ((IsBCast) ? 0xf000 : 0x0);
+
+ Xid = NET_RANDOM (NetRandomInitSeed ());
+ Token.Packet->Dhcp4.Header.Xid = HTONL(Xid);
+ Token.Packet->Dhcp4.Header.Reserved = HTONS((IsBCast) ? 0x8000 : 0);
CopyMem (&Token.Packet->Dhcp4.Header.ClientAddr, &Private->StationIp, sizeof (EFI_IPv4_ADDRESS));
Token.RemotePort = Sport;
- if (DestIp == NULL) {
+ if (IsBCast) {
SetMem (&Token.RemoteAddress, sizeof (EFI_IPv4_ADDRESS), 0xff);
} else {
CopyMem (&Token.RemoteAddress, DestIp, sizeof (EFI_IPv4_ADDRESS));
@@ -1210,7 +1212,8 @@ PxeBcDiscvBootService ( //
for (TryIndex = 1; TryIndex <= PXEBC_BOOT_REQUEST_RETRIES; TryIndex++) {
- Token.TimeoutValue = PXEBC_BOOT_REQUEST_TIMEOUT * TryIndex;
+ Token.TimeoutValue = (UINT16) (PXEBC_BOOT_REQUEST_TIMEOUT * TryIndex);
+ Token.Packet->Dhcp4.Header.Seconds = (UINT16) (PXEBC_BOOT_REQUEST_TIMEOUT * (TryIndex - 1));
Status = Dhcp4->TransmitReceive (Dhcp4, &Token);
|