DnsDriver.h

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#ifndef _DNS_DRIVER_H_
#define _DNS_DRIVER_H_
 
#include <Protocol/DriverBinding.h>
#include <Protocol/ServiceBinding.h>
 
typedef struct _DNS_DRIVER_DATA DNS_DRIVER_DATA;
 
typedef struct _DNS_SERVICE DNS_SERVICE;
 
typedef struct _DNS_INSTANCE DNS_INSTANCE;
 
#define DNS_SERVICE_SIGNATURE  SIGNATURE_32 ('D', 'N', 'S', 'S')
 
#define DNS_INSTANCE_SIGNATURE  SIGNATURE_32 ('D', 'N', 'S', 'I')
 
struct _DNS_DRIVER_DATA {
  EFI_EVENT     Timer;                 
 
  LIST_ENTRY    Dns4CacheList;
  LIST_ENTRY    Dns4ServerList;
 
  LIST_ENTRY    Dns6CacheList;
  LIST_ENTRY    Dns6ServerList;
};
 
struct _DNS_SERVICE {
  UINT32                          Signature;
  EFI_SERVICE_BINDING_PROTOCOL    ServiceBinding;
 
  UINT16                          Dns4ChildrenNum;
  LIST_ENTRY                      Dns4ChildrenList;
 
  UINT16                          Dns6ChildrenNum;
  LIST_ENTRY                      Dns6ChildrenList;
 
  EFI_HANDLE                      ControllerHandle;
  EFI_HANDLE                      ImageHandle;
 
  EFI_EVENT                       TimerToGetMap;
 
  EFI_EVENT                       Timer; 
 
  UINT8                           IpVersion;
  UDP_IO                          *ConnectUdp;
};
 
struct _DNS_INSTANCE {
  UINT32                  Signature;
  LIST_ENTRY              Link;
 
  EFI_DNS4_PROTOCOL       Dns4;
  EFI_DNS6_PROTOCOL       Dns6;
 
  INTN                    State;
  BOOLEAN                 InDestroy;
 
  DNS_SERVICE             *Service;
  EFI_HANDLE              ChildHandle;
 
  EFI_DNS4_CONFIG_DATA    Dns4CfgData;
  EFI_DNS6_CONFIG_DATA    Dns6CfgData;
 
  EFI_IP_ADDRESS          SessionDnsServer;
 
  NET_MAP                 Dns4TxTokens;
  NET_MAP                 Dns6TxTokens;
 
  UDP_IO                  *UdpIo;
};
 
typedef struct {
  EFI_SERVICE_BINDING_PROTOCOL    *ServiceBinding;
  UINTN                           NumberOfChildren;
  EFI_HANDLE                      *ChildHandleBuffer;
} DNS_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT;
 
extern DNS_DRIVER_DATA  *mDriverData;
 
#define DNS_SERVICE_FROM_THIS(a)   \
  CR (a, DNS_SERVICE, ServiceBinding, DNS_SERVICE_SIGNATURE)
 
#define DNS_INSTANCE_FROM_THIS_PROTOCOL4(a)  \
  CR (a, DNS_INSTANCE, Dns4, DNS_INSTANCE_SIGNATURE)
 
#define DNS_INSTANCE_FROM_THIS_PROTOCOL6(a)  \
  CR (a, DNS_INSTANCE, Dns6, DNS_INSTANCE_SIGNATURE)
 
VOID
DnsDestroyInstance (
  IN DNS_INSTANCE  *Instance
  );
 
EFI_STATUS
DnsCreateInstance (
  IN  DNS_SERVICE   *Service,
  OUT DNS_INSTANCE  **Instance
  );
 
EFI_STATUS
EFIAPI
DnsDestroyChildEntryInHandleBuffer (
  IN LIST_ENTRY  *Entry,
  IN VOID        *Context
  );
 
EFI_STATUS
EFIAPI
DnsConfigNullUdp (
  IN UDP_IO  *UdpIo,
  IN VOID    *Context
  );
 
VOID
DnsDestroyService (
  IN DNS_SERVICE  *DnsSb
  );
 
EFI_STATUS
DnsCreateService (
  IN     EFI_HANDLE  Controller,
  IN     EFI_HANDLE  Image,
  IN     UINT8       IpVersion,
  OUT DNS_SERVICE    **Service
  );
 
EFI_STATUS
EFIAPI
DnsUnload (
  IN EFI_HANDLE  ImageHandle
  );
 
EFI_STATUS
EFIAPI
DnsDriverEntryPoint (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  );
 
EFI_STATUS
EFIAPI
Dns4DriverBindingSupported (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL
  );
 
EFI_STATUS
EFIAPI
Dns4DriverBindingStart (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL
  );
 
EFI_STATUS
EFIAPI
Dns4DriverBindingStop (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN UINTN                        NumberOfChildren,
  IN EFI_HANDLE                   *ChildHandleBuffer OPTIONAL
  );
 
EFI_STATUS
EFIAPI
Dns6DriverBindingSupported (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL
  );
 
EFI_STATUS
EFIAPI
Dns6DriverBindingStart (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath OPTIONAL
  );
 
EFI_STATUS
EFIAPI
Dns6DriverBindingStop (
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                   ControllerHandle,
  IN UINTN                        NumberOfChildren,
  IN EFI_HANDLE                   *ChildHandleBuffer OPTIONAL
  );
 
EFI_STATUS
EFIAPI
Dns4ServiceBindingCreateChild (
  IN EFI_SERVICE_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                    *ChildHandle
  );
 
EFI_STATUS
EFIAPI
Dns4ServiceBindingDestroyChild (
  IN EFI_SERVICE_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                    ChildHandle
  );
 
EFI_STATUS
EFIAPI
Dns6ServiceBindingCreateChild (
  IN EFI_SERVICE_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                    *ChildHandle
  );
 
EFI_STATUS
EFIAPI
Dns6ServiceBindingDestroyChild (
  IN EFI_SERVICE_BINDING_PROTOCOL  *This,
  IN EFI_HANDLE                    ChildHandle
  );
 
#endif