diff options
Diffstat (limited to 'MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.c b/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.c index 3eff1882e..be08fcee9 100644 --- a/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.c +++ b/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.c @@ -15,6 +15,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include "Ip4Config.h"
#include "NicIp4Variable.h"
+#include <Guid/Hostname.h>
+
//
// Ip4 Config Protocol
//
@@ -327,11 +329,14 @@ EfiIp4ConfigStart ( IP4_CONFIG_INSTANCE *Instance;
EFI_DHCP4_PROTOCOL *Dhcp4;
EFI_DHCP4_MODE_DATA Dhcp4Mode;
- EFI_DHCP4_PACKET_OPTION *OptionList[1];
+ EFI_DHCP4_PACKET_OPTION *OptionList[2];
IP4_CONFIG_DHCP4_OPTION ParaList;
EFI_STATUS Status;
UINT32 Source;
EFI_TPL OldTpl;
+ CHAR8 Hostname[256];
+ UINTN HostnameSize = 256;
+ EFI_DHCP4_PACKET_OPTION *HostnameOption = NULL;
if ((This == NULL) || (DoneEvent == NULL) || (ReconfigEvent == NULL)) {
return EFI_INVALID_PARAMETER;
@@ -436,8 +441,36 @@ EfiIp4ConfigStart ( Dhcp4Mode.ConfigData.OptionCount = 1;
Dhcp4Mode.ConfigData.OptionList = OptionList;
+ Status = gRT->GetVariable (
+ L"Hostname",
+ &gEfiHostnameVariableGuid,
+ NULL,
+ &HostnameSize,
+ &Hostname
+ );
+ if (!EFI_ERROR (Status) && HostnameSize != 0) {
+ Dhcp4Mode.ConfigData.OptionCount = 2;
+
+ HostnameOption = AllocatePool (
+ sizeof (EFI_DHCP4_PACKET_OPTION) - 1 + HostnameSize
+ );
+ if (HostnameOption == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ HostnameOption->OpCode = DHCP_TAG_HOSTNAME;
+ HostnameOption->Length = (UINT8) HostnameSize;
+ CopyMem (HostnameOption->Data, Hostname, HostnameOption->Length);
+
+ OptionList[1] = HostnameOption;
+ }
+
Status = Dhcp4->Configure (Dhcp4, &Dhcp4Mode.ConfigData);
+ if (HostnameOption) {
+ FreePool (HostnameOption);
+ }
+
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
|