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/** @file
Copyright (c) 2005 - 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Ip4Impl.h
Abstract:
Ip4 internal functions and type defintions.
**/
#ifndef __EFI_IP4_IMPL_H__
#define __EFI_IP4_IMPL_H__
#include <PiDxe.h>
#include <Protocol/Ip4.h>
#include <Protocol/Ip4Config.h>
#include <Protocol/Arp.h>
#include <Protocol/ManagedNetwork.h>
#include <Library/DebugLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/NetLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include "Ip4Common.h"
#include "Ip4Driver.h"
#include "Ip4If.h"
#include "Ip4Icmp.h"
#include "Ip4Option.h"
#include "Ip4Igmp.h"
#include "Ip4Route.h"
#include "Ip4Input.h"
#include "Ip4Output.h"
enum {
IP4_PROTOCOL_SIGNATURE = EFI_SIGNATURE_32 ('I', 'P', '4', 'P'),
IP4_SERVICE_SIGNATURE = EFI_SIGNATURE_32 ('I', 'P', '4', 'S'),
//
// The state of IP4 protocol. It starts from UNCONFIGED. if it is
// successfully configured, it goes to CONFIGED. if configure NULL
// is called, it becomes UNCONFIGED again. If (partly) destoried, it
// becomes DESTORY.
//
IP4_STATE_UNCONFIGED = 0,
IP4_STATE_CONFIGED,
IP4_STATE_DESTORY,
//
// The state of IP4 service. It starts from UNSTARTED. It transits
// to STARTED if autoconfigure is started. If default address is
// configured, it becomes CONFIGED. and if partly destoried, it goes
// to DESTORY.
//
IP4_SERVICE_UNSTARTED = 0,
IP4_SERVICE_STARTED,
IP4_SERVICE_CONFIGED,
IP4_SERVICE_DESTORY
};
//
// IP4_TXTOKEN_WRAP wraps the upper layer's transmit token.
// The user's data is kept in the Packet. When fragment is
// needed, each fragment of the Packet has a reference to the
// Packet, no data is actually copied. The Packet will be
// released when all the fragments of it have been recycled by
// MNP. Upon then, the IP4_TXTOKEN_WRAP will be released, and
// user's event signalled.
//
typedef struct {
IP4_PROTOCOL *IpInstance;
EFI_IP4_COMPLETION_TOKEN *Token;
NET_BUF *Packet;
BOOLEAN Sent;
INTN Life;
} IP4_TXTOKEN_WRAP;
//
// IP4_RXDATA_WRAP wraps the data IP4 child delivers to the
// upper layers. The received packet is kept in the Packet.
// The Packet itself may be constructured from some fragments.
// All the fragments of the Packet is organized by a
// IP4_ASSEMBLE_ENTRY structure. If the Packet is recycled by
// the upper layer, the assemble entry and its associated
// fragments will be freed at last.
//
typedef struct {
LIST_ENTRY Link;
IP4_PROTOCOL *IpInstance;
NET_BUF *Packet;
EFI_IP4_RECEIVE_DATA RxData;
} IP4_RXDATA_WRAP;
struct _IP4_PROTOCOL {
UINT32 Signature;
EFI_IP4_PROTOCOL Ip4Proto;
EFI_HANDLE Handle;
INTN State;
IP4_SERVICE *Service;
LIST_ENTRY Link; // Link to all the IP protocol from the service
//
// User's transmit/receive tokens, and received/deliverd packets
//
NET_MAP RxTokens;
NET_MAP TxTokens; // map between (User's Token, IP4_TXTOKE_WRAP)
LIST_ENTRY Received; // Received but not delivered packet
LIST_ENTRY Delivered; // Delivered and to be recycled packets
EFI_LOCK RecycleLock;
//
// Instance's address and route tables. There are two route tables.
// RouteTable is used by the IP4 driver to route packet. EfiRouteTable
// is used to communicate the current route info to the upper layer.
//
IP4_INTERFACE *Interface;
LIST_ENTRY AddrLink; // Ip instances with the same IP address.
IP4_ROUTE_TABLE *RouteTable;
EFI_IP4_ROUTE_TABLE *EfiRouteTable;
UINT32 EfiRouteCount;
//
// IGMP data for this instance
//
IP4_ADDR *Groups; // stored in network byte order
UINT32 GroupCount;
EFI_IP4_CONFIG_DATA ConfigData;
};
struct _IP4_SERVICE {
UINT32 Signature;
EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
INTN State;
BOOLEAN InDestory;
//
// List of all the IP instances and interfaces, and default
// interface and route table and caches.
//
UINTN NumChildren;
LIST_ENTRY Children;
LIST_ENTRY Interfaces;
IP4_INTERFACE *DefaultInterface;
IP4_ROUTE_TABLE *DefaultRouteTable;
//
// Ip reassemble utilities, and IGMP data
//
IP4_ASSEMBLE_TABLE Assemble;
IGMP_SERVICE_DATA IgmpCtrl;
//
// Low level protocol used by this service instance
//
EFI_HANDLE Image;
EFI_HANDLE Controller;
EFI_HANDLE MnpChildHandle;
EFI_MANAGED_NETWORK_PROTOCOL *Mnp;
EFI_MANAGED_NETWORK_CONFIG_DATA MnpConfigData;
EFI_SIMPLE_NETWORK_MODE SnpMode;
EFI_EVENT Timer;
//
// Auto configure staff
//
EFI_IP4_CONFIG_PROTOCOL *Ip4Config;
EFI_EVENT DoneEvent;
EFI_EVENT ReconfigEvent;
EFI_EVENT ActiveEvent;
//
// The string representation of the current mac address of the
// NIC this IP4_SERVICE works on.
//
CHAR16 *MacString;
};
#define IP4_INSTANCE_FROM_PROTOCOL(Ip4) \
CR ((Ip4), IP4_PROTOCOL, Ip4Proto, IP4_PROTOCOL_SIGNATURE)
#define IP4_SERVICE_FROM_PROTOCOL(Sb) \
CR ((Sb), IP4_SERVICE, ServiceBinding, IP4_SERVICE_SIGNATURE)
#define IP4_NO_MAPPING(IpInstance) (!(IpInstance)->Interface->Configured)
extern EFI_IP4_PROTOCOL mEfiIp4ProtocolTemplete;
EFI_STATUS
Ip4ServiceConfigMnp (
IN IP4_SERVICE *IpSb,
IN BOOLEAN Force
);
VOID
Ip4InitProtocol (
IN IP4_SERVICE *IpSb,
IN IP4_PROTOCOL *IpInstance
);
EFI_STATUS
Ip4CleanProtocol (
IN IP4_PROTOCOL *IpInstance
);
EFI_STATUS
Ip4Cancel (
IN IP4_PROTOCOL *IpInstance,
IN EFI_IP4_COMPLETION_TOKEN *Token
);
EFI_STATUS
Ip4Groups (
IN IP4_PROTOCOL *IpInstance,
IN BOOLEAN JoinFlag,
IN EFI_IPv4_ADDRESS *GroupAddress
);
VOID
EFIAPI
Ip4TimerTicking (
IN EFI_EVENT Event,
IN VOID *Context
);
EFI_STATUS
Ip4SentPacketTicking (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Context
);
#endif
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