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system76-edk2/MdeModulePkg/Include/Library/NetLib.h
eric_tian 6a690e23d7 add iSCSI protocol 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4423 6f19259b-4bc3-4df7-8a09-765794883524
2007-12-24 02:20:21 +00:00

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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:
NetLib.h
Abstract:
Library for the UEFI network stack.
**/
#ifndef _NET_LIB_H_
#define _NET_LIB_H_
#include <PiDxe.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/ComponentName.h>
#include <Protocol/DriverConfiguration.h>
#include <Protocol/DriverDiagnostics.h>
#include <Protocol/Dpc.h>
#define EFI_NET_LITTLE_ENDIAN
typedef UINT32 IP4_ADDR;
typedef UINT32 TCP_SEQNO;
typedef UINT16 TCP_PORTNO;
enum {
NET_ETHER_ADDR_LEN = 6,
NET_IFTYPE_ETHERNET = 0x01,
EFI_IP_PROTO_UDP = 0x11,
EFI_IP_PROTO_TCP = 0x06,
EFI_IP_PROTO_ICMP = 0x01,
//
// The address classfication
//
IP4_ADDR_CLASSA = 1,
IP4_ADDR_CLASSB,
IP4_ADDR_CLASSC,
IP4_ADDR_CLASSD,
IP4_ADDR_CLASSE,
IP4_MASK_NUM = 33,
};
#pragma pack(1)
//
// Ethernet head definition
//
typedef struct {
UINT8 DstMac [NET_ETHER_ADDR_LEN];
UINT8 SrcMac [NET_ETHER_ADDR_LEN];
UINT16 EtherType;
} ETHER_HEAD;
//
// The EFI_IP4_HEADER is hard to use because the source and
// destination address are defined as EFI_IPv4_ADDRESS, which
// is a structure. Two structures can't be compared or masked
// directly. This is why there is an internal representation.
//
typedef struct {
#ifdef EFI_NET_LITTLE_ENDIAN
UINT8 HeadLen : 4;
UINT8 Ver : 4;
#else
UINT8 Ver : 4;
UINT8 HeadLen : 4;
#endif
UINT8 Tos;
UINT16 TotalLen;
UINT16 Id;
UINT16 Fragment;
UINT8 Ttl;
UINT8 Protocol;
UINT16 Checksum;
IP4_ADDR Src;
IP4_ADDR Dst;
} IP4_HEAD;
//
// ICMP head definition. ICMP message is categoried as either an error
// message or query message. Two message types have their own head format.
//
typedef struct {
UINT8 Type;
UINT8 Code;
UINT16 Checksum;
} IP4_ICMP_HEAD;
typedef struct {
IP4_ICMP_HEAD Head;
UINT32 Fourth; // 4th filed of the head, it depends on Type.
IP4_HEAD IpHead;
} IP4_ICMP_ERROR_HEAD;
typedef struct {
IP4_ICMP_HEAD Head;
UINT16 Id;
UINT16 Seq;
} IP4_ICMP_QUERY_HEAD;
//
// UDP header definition
//
typedef struct {
UINT16 SrcPort;
UINT16 DstPort;
UINT16 Length;
UINT16 Checksum;
} EFI_UDP4_HEADER;
//
// TCP header definition
//
typedef struct {
TCP_PORTNO SrcPort;
TCP_PORTNO DstPort;
TCP_SEQNO Seq;
TCP_SEQNO Ack;
#ifdef EFI_NET_LITTLE_ENDIAN
UINT8 Res : 4;
UINT8 HeadLen : 4;
#else
UINT8 HeadLen : 4;
UINT8 Res : 4;
#endif
UINT8 Flag;
UINT16 Wnd;
UINT16 Checksum;
UINT16 Urg;
} TCP_HEAD;
#pragma pack()
#define NET_MAC_EQUAL(pMac1, pMac2, Len) \
(NetCompareMem ((pMac1), (pMac2), Len) == 0)
#define NET_MAC_IS_MULTICAST(Mac, BMac, Len) \
(((*((UINT8 *) Mac) & 0x01) == 0x01) && (!NET_MAC_EQUAL (Mac, BMac, Len)))
#ifdef EFI_NET_LITTLE_ENDIAN
#define NTOHL(x) (UINT32)((((UINT32) (x) & 0xff) << 24) | \
(((UINT32) (x) & 0xff00) << 8) | \
(((UINT32) (x) & 0xff0000) >> 8) | \
(((UINT32) (x) & 0xff000000) >> 24))
#define HTONL(x) NTOHL(x)
#define NTOHS(x) (UINT16)((((UINT16) (x) & 0xff) << 8) | \
(((UINT16) (x) & 0xff00) >> 8))
#define HTONS(x) NTOHS(x)
#else
#define NTOHL(x) (UINT32)(x)
#define HTONL(x) (UINT32)(x)
#define NTOHS(x) (UINT16)(x)
#define HTONS(x) (UINT16)(x)
#endif
//
// Test the IP's attribute, All the IPs are in host byte order.
//
#define IP4_IS_MULTICAST(Ip) (((Ip) & 0xF0000000) == 0xE0000000)
#define IP4_IS_LOCAL_BROADCAST(Ip) ((Ip) == 0xFFFFFFFF)
#define IP4_NET_EQUAL(Ip1, Ip2, NetMask) (((Ip1) & (NetMask)) == ((Ip2) & (NetMask)))
#define IP4_IS_VALID_NETMASK(Ip) (NetGetMaskLength (Ip) != IP4_MASK_NUM)
//
// Convert the EFI_IP4_ADDRESS to plain UINT32 IP4 address.
//
#define EFI_IP4(EfiIpAddr) (*(IP4_ADDR *) ((EfiIpAddr).Addr))
#define EFI_NTOHL(EfiIp) (NTOHL (EFI_IP4 ((EfiIp))))
#define EFI_IP4_EQUAL(Ip1, Ip2) (NetCompareMem ((Ip1), (Ip2), sizeof (EFI_IPv4_ADDRESS)) == 0)
INTN
NetGetMaskLength (
IN IP4_ADDR Mask
);
INTN
NetGetIpClass (
IN IP4_ADDR Addr
);
BOOLEAN
Ip4IsUnicast (
IN IP4_ADDR Ip,
IN IP4_ADDR NetMask
);
extern IP4_ADDR mIp4AllMasks [IP4_MASK_NUM];
extern EFI_IPv4_ADDRESS mZeroIp4Addr;
#define NET_IS_DIGIT(Ch) (('0' <= (Ch)) && ((Ch) <= '9'))
#define NET_ROUNDUP(size, unit) (((size) + (unit) - 1) & (~((unit) - 1)))
#define NET_IS_LOWER_CASE_CHAR(Ch) (('a' <= (Ch)) && ((Ch) <= 'z'))
#define NET_IS_UPPER_CASE_CHAR(Ch) (('A' <= (Ch)) && ((Ch) <= 'Z'))
//
// Wrap functions to ease the impact of EFI library changes.
//
#define NetAllocateZeroPool AllocateZeroPool
#define NetAllocatePool AllocatePool
#define NetFreePool gBS->FreePool
#define NetCopyMem CopyMem
#define NetSetMem SetMem
#define NetZeroMem(Dest, Len) SetMem ((Dest), (Len), 0)
#define NetCompareMem CompareMem
//
// Lock primitives: the stack implements its lock primitives according
// to the standard EFI enviornment. It will NOT consider multiprocessor.
//
#define NET_TPL_LOCK TPL_CALLBACK
#define NET_TPL_EVENT TPL_NOTIFY
#define NET_TPL_RECYCLE TPL_NOTIFY
#define NET_TPL_TIMER NET_TPL_LOCK
#define NET_LOCK EFI_LOCK
#define NET_LOCK_INIT(x) EfiInitializeLock (x, NET_TPL_LOCK)
#define NET_RECYCLE_LOCK_INIT(x) EfiInitializeLock (x, NET_TPL_RECYCLE)
#define NET_TRYLOCK(x) EfiAcquireLockOrFail (x)
#define NET_UNLOCK(x) EfiReleaseLock (x)
#define NET_RAISE_TPL(x) (gBS->RaiseTPL (x))
#define NET_RESTORE_TPL(x) (gBS->RestoreTPL (x))
#define TICKS_PER_MS 10000U
#define TICKS_PER_SECOND 10000000U
#define NET_RANDOM(Seed) ((UINT32) ((UINT32) (Seed) * 1103515245UL + 12345) % 4294967295UL)
UINT32
NetGetUint32 (
IN UINT8 *Buf
);
VOID
NetPutUint32 (
IN UINT8 *Buf,
IN UINT32 Data
);
UINT32
NetRandomInitSeed (
VOID
);
//
// Double linked list entry functions, this extends the
// EFI list functions.
//
typedef LIST_ENTRY NET_LIST_ENTRY;
#define NetListInit(Head) InitializeListHead(Head)
#define NetListInsertHead(Head, Entry) InsertHeadList((Head), (Entry))
#define NetListInsertTail(Head, Entry) InsertTailList((Head), (Entry))
#define NetListIsEmpty(List) IsListEmpty(List)
#define NET_LIST_USER_STRUCT(Entry, Type, Field) \
_CR(Entry, Type, Field)
#define NET_LIST_USER_STRUCT_S(Entry, Type, Field, Sig) \
CR(Entry, Type, Field, Sig)
//
// Iterate through the doule linked list. It is NOT delete safe
//
#define NET_LIST_FOR_EACH(Entry, ListHead) \
for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink)
//
// Iterate through the doule linked list. This is delete-safe.
// Don't touch NextEntry. Also, don't use this macro if list
// entries other than the Entry may be deleted when processing
// the current Entry.
//
#define NET_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \
for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink; \
Entry != (ListHead); \
Entry = NextEntry, NextEntry = Entry->ForwardLink \
)
//
// Make sure the list isn't empty before get the frist/last record.
//
#define NET_LIST_HEAD(ListHead, Type, Field) \
NET_LIST_USER_STRUCT((ListHead)->ForwardLink, Type, Field)
#define NET_LIST_TAIL(ListHead, Type, Field) \
NET_LIST_USER_STRUCT((ListHead)->BackLink, Type, Field)
#define NetListRemoveEntry(Entry) RemoveEntryList (Entry)
NET_LIST_ENTRY*
NetListRemoveHead (
NET_LIST_ENTRY *Head
);
NET_LIST_ENTRY*
NetListRemoveTail (
NET_LIST_ENTRY *Head
);
VOID
NetListInsertAfter (
IN NET_LIST_ENTRY *PrevEntry,
IN NET_LIST_ENTRY *NewEntry
);
VOID
NetListInsertBefore (
IN NET_LIST_ENTRY *PostEntry,
IN NET_LIST_ENTRY *NewEntry
);
//
// Object container: EFI network stack spec defines various kinds of
// tokens. The drivers can share code to manage those objects.
//
typedef struct {
NET_LIST_ENTRY Link;
VOID *Key;
VOID *Value;
} NET_MAP_ITEM;
typedef struct {
NET_LIST_ENTRY Used;
NET_LIST_ENTRY Recycled;
UINTN Count;
} NET_MAP;
#define NET_MAP_INCREAMENT 64
VOID
NetMapInit (
IN NET_MAP *Map
);
VOID
NetMapClean (
IN NET_MAP *Map
);
BOOLEAN
NetMapIsEmpty (
IN NET_MAP *Map
);
UINTN
NetMapGetCount (
IN NET_MAP *Map
);
EFI_STATUS
NetMapInsertHead (
IN NET_MAP *Map,
IN VOID *Key,
IN VOID *Value OPTIONAL
);
EFI_STATUS
NetMapInsertTail (
IN NET_MAP *Map,
IN VOID *Key,
IN VOID *Value OPTIONAL
);
NET_MAP_ITEM *
NetMapFindKey (
IN NET_MAP *Map,
IN VOID *Key
);
VOID *
NetMapRemoveItem (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
OUT VOID **Value OPTIONAL
);
VOID *
NetMapRemoveHead (
IN NET_MAP *Map,
OUT VOID **Value OPTIONAL
);
VOID *
NetMapRemoveTail (
IN NET_MAP *Map,
OUT VOID **Value OPTIONAL
);
typedef
EFI_STATUS
(*NET_MAP_CALLBACK) (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg
);
EFI_STATUS
NetMapIterate (
IN NET_MAP *Map,
IN NET_MAP_CALLBACK CallBack,
IN VOID *Arg OPTIONAL
);
//
// Helper functions to implement driver binding and service binding protocols.
//
EFI_STATUS
NetLibCreateServiceChild (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ImageHandle,
IN EFI_GUID *ServiceBindingGuid,
OUT EFI_HANDLE *ChildHandle
);
EFI_STATUS
NetLibDestroyServiceChild (
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ImageHandle,
IN EFI_GUID *ServiceBindingGuid,
IN EFI_HANDLE ChildHandle
);
EFI_STATUS
NetLibGetMacString (
IN EFI_HANDLE SnpHandle,
IN EFI_HANDLE ImageHandle,
IN OUT CHAR16 **MacString
);
VOID
NetLibCreateIPv4DPathNode (
IN OUT IPv4_DEVICE_PATH *Node,
IN EFI_HANDLE Controller,
IN IP4_ADDR LocalIp,
IN UINT16 LocalPort,
IN IP4_ADDR RemoteIp,
IN UINT16 RemotePort,
IN UINT16 Protocol,
IN BOOLEAN UseDefaultAddress
);
EFI_HANDLE
NetLibGetNicHandle (
IN EFI_HANDLE Controller,
IN EFI_GUID *ProtocolGuid
);
EFI_STATUS
NetLibQueueDpc (
IN EFI_TPL DpcTpl,
IN EFI_DPC_PROCEDURE DpcProcedure,
IN VOID *DpcContext OPTIONAL
);
EFI_STATUS
NetLibDispatchDpc (
VOID
);
EFI_STATUS
EFIAPI
NetLibDefaultUnload (
IN EFI_HANDLE ImageHandle
);
enum {
//
//Various signatures
//
NET_BUF_SIGNATURE = EFI_SIGNATURE_32 ('n', 'b', 'u', 'f'),
NET_VECTOR_SIGNATURE = EFI_SIGNATURE_32 ('n', 'v', 'e', 'c'),
NET_QUE_SIGNATURE = EFI_SIGNATURE_32 ('n', 'b', 'q', 'u'),
NET_PROTO_DATA = 64, // Opaque buffer for protocols
NET_BUF_HEAD = 1, // Trim or allocate space from head
NET_BUF_TAIL = 0, // Trim or allocate space from tail
NET_VECTOR_OWN_FIRST = 0x01, // We allocated the 1st block in the vector
};
#define NET_CHECK_SIGNATURE(PData, SIGNATURE) \
ASSERT (((PData) != NULL) && ((PData)->Signature == (SIGNATURE)))
#define NET_SWAP_SHORT(Value) \
((((Value) & 0xff) << 8) | (((Value) >> 8) & 0xff))
//
// Single memory block in the vector.
//
typedef struct {
UINT32 Len; // The block's length
UINT8 *Bulk; // The block's Data
} NET_BLOCK;
typedef VOID (*NET_VECTOR_EXT_FREE) (VOID *Arg);
//
//NET_VECTOR contains several blocks to hold all packet's
//fragments and other house-keeping stuff for sharing. It
//doesn't specify the where actual packet fragment begins.
//
typedef struct {
UINT32 Signature;
INTN RefCnt; // Reference count to share NET_VECTOR.
NET_VECTOR_EXT_FREE Free; // external function to free NET_VECTOR
VOID *Arg; // opeque argument to Free
UINT32 Flag; // Flags, NET_VECTOR_OWN_FIRST
UINT32 Len; // Total length of the assocated BLOCKs
UINT32 BlockNum;
NET_BLOCK Block[1];
} NET_VECTOR;
//
//NET_BLOCK_OP operate on the NET_BLOCK, It specifies
//where the actual fragment begins and where it ends
//
typedef struct {
UINT8 *BlockHead; // Block's head, or the smallest valid Head
UINT8 *BlockTail; // Block's tail. BlockTail-BlockHead=block length
UINT8 *Head; // 1st byte of the data in the block
UINT8 *Tail; // Tail of the data in the block, Tail-Head=Size
UINT32 Size; // The size of the data
} NET_BLOCK_OP;
//
//NET_BUF is the buffer manage structure used by the
//network stack. Every network packet may be fragmented,
//and contains multiple fragments. The Vector points to
//memory blocks used by the each fragment, and BlockOp
//specifies where each fragment begins and ends.
//
//It also contains a opaque area for protocol to store
//per-packet informations. Protocol must be caution not
//to overwrite the members after that.
//
typedef struct {
UINT32 Signature;
INTN RefCnt;
NET_LIST_ENTRY List; // The List this NET_BUF is on
IP4_HEAD *Ip; // Network layer header, for fast access
TCP_HEAD *Tcp; // Transport layer header, for fast access
UINT8 ProtoData [NET_PROTO_DATA]; //Protocol specific data
NET_VECTOR *Vector; // The vector containing the packet
UINT32 BlockOpNum; // Total number of BlockOp in the buffer
UINT32 TotalSize; // Total size of the actual packet
NET_BLOCK_OP BlockOp[1]; // Specify the position of actual packet
} NET_BUF;
//
//A queue of NET_BUFs, It is just a thin extension of
//NET_BUF functions.
//
typedef struct {
UINT32 Signature;
INTN RefCnt;
NET_LIST_ENTRY List; // The List this buffer queue is on
NET_LIST_ENTRY BufList; // list of queued buffers
UINT32 BufSize; // total length of DATA in the buffers
UINT32 BufNum; // total number of buffers on the chain
} NET_BUF_QUEUE;
//
// Pseudo header for TCP and UDP checksum
//
#pragma pack(1)
typedef struct {
IP4_ADDR SrcIp;
IP4_ADDR DstIp;
UINT8 Reserved;
UINT8 Protocol;
UINT16 Len;
} NET_PSEUDO_HDR;
#pragma pack()
//
// The fragment entry table used in network interfaces. This is
// the same as NET_BLOCK now. Use two different to distinguish
// the two in case that NET_BLOCK be enhanced later.
//
typedef struct {
UINT32 Len;
UINT8 *Bulk;
} NET_FRAGMENT;
#define NET_GET_REF(PData) ((PData)->RefCnt++)
#define NET_PUT_REF(PData) ((PData)->RefCnt--)
#define NETBUF_FROM_PROTODATA(Info) _CR((Info), NET_BUF, ProtoData)
#define NET_BUF_SHARED(Buf) \
(((Buf)->RefCnt > 1) || ((Buf)->Vector->RefCnt > 1))
#define NET_VECTOR_SIZE(BlockNum) \
(sizeof (NET_VECTOR) + ((BlockNum) - 1) * sizeof (NET_BLOCK))
#define NET_BUF_SIZE(BlockOpNum) \
(sizeof (NET_BUF) + ((BlockOpNum) - 1) * sizeof (NET_BLOCK_OP))
#define NET_HEADSPACE(BlockOp) \
(UINTN)((BlockOp)->Head - (BlockOp)->BlockHead)
#define NET_TAILSPACE(BlockOp) \
(UINTN)((BlockOp)->BlockTail - (BlockOp)->Tail)
NET_BUF *
NetbufAlloc (
IN UINT32 Len
);
VOID
NetbufFree (
IN NET_BUF *Nbuf
);
UINT8 *
NetbufGetByte (
IN NET_BUF *Nbuf,
IN UINT32 Offset,
OUT UINT32 *Index OPTIONAL
);
NET_BUF *
NetbufClone (
IN NET_BUF *Nbuf
);
NET_BUF *
NetbufDuplicate (
IN NET_BUF *Nbuf,
IN NET_BUF *Duplicate OPTIONAL,
IN UINT32 HeadSpace
);
NET_BUF *
NetbufGetFragment (
IN NET_BUF *Nbuf,
IN UINT32 Offset,
IN UINT32 Len,
IN UINT32 HeadSpace
);
VOID
NetbufReserve (
IN NET_BUF *Nbuf,
IN UINT32 Len
);
UINT8 *
NetbufAllocSpace (
IN NET_BUF *Nbuf,
IN UINT32 Len,
IN BOOLEAN FromHead
);
UINT32
NetbufTrim (
IN NET_BUF *Nbuf,
IN UINT32 Len,
IN BOOLEAN FromHead
);
UINT32
NetbufCopy (
IN NET_BUF *Nbuf,
IN UINT32 Offset,
IN UINT32 Len,
IN UINT8 *Dest
);
NET_BUF *
NetbufFromExt (
IN NET_FRAGMENT *ExtFragment,
IN UINT32 ExtNum,
IN UINT32 HeadSpace,
IN UINT32 HeadLen,
IN NET_VECTOR_EXT_FREE ExtFree,
IN VOID *Arg OPTIONAL
);
EFI_STATUS
NetbufBuildExt (
IN NET_BUF *Nbuf,
IN NET_FRAGMENT *ExtFragment,
IN UINT32 *ExtNum
);
NET_BUF *
NetbufFromBufList (
IN NET_LIST_ENTRY *BufList,
IN UINT32 HeadSpace,
IN UINT32 HeaderLen,
IN NET_VECTOR_EXT_FREE ExtFree,
IN VOID *Arg OPTIONAL
);
VOID
NetbufFreeList (
IN NET_LIST_ENTRY *Head
);
VOID
NetbufQueInit (
IN NET_BUF_QUEUE *NbufQue
);
NET_BUF_QUEUE *
NetbufQueAlloc (
VOID
);
VOID
NetbufQueFree (
IN NET_BUF_QUEUE *NbufQue
);
NET_BUF *
NetbufQueRemove (
IN NET_BUF_QUEUE *NbufQue
);
VOID
NetbufQueAppend (
IN NET_BUF_QUEUE *NbufQue,
IN NET_BUF *Nbuf
);
UINT32
NetbufQueCopy (
IN NET_BUF_QUEUE *NbufQue,
IN UINT32 Offset,
IN UINT32 Len,
IN UINT8 *Dest
);
UINT32
NetbufQueTrim (
IN NET_BUF_QUEUE *NbufQue,
IN UINT32 Len
);
VOID
NetbufQueFlush (
IN NET_BUF_QUEUE *NbufQue
);
UINT16
NetblockChecksum (
IN UINT8 *Bulk,
IN UINT32 Len
);
UINT16
NetAddChecksum (
IN UINT16 Checksum1,
IN UINT16 Checksum2
);
UINT16
NetbufChecksum (
IN NET_BUF *Nbuf
);
UINT16
NetPseudoHeadChecksum (
IN IP4_ADDR Src,
IN IP4_ADDR Dst,
IN UINT8 Proto,
IN UINT16 Len
);
//
// The debug level definition. This value is also used as the
// syslog's servity level. Don't change it.
//
enum {
NETDEBUG_LEVEL_TRACE = 5,
NETDEBUG_LEVEL_WARNING = 4,
NETDEBUG_LEVEL_ERROR = 3,
};
#ifdef EFI_NETWORK_STACK_DEBUG
//
// The debug output expects the ASCII format string, Use %a to print ASCII
// string, and %s to print UNICODE string. PrintArg must be enclosed in ().
// For example: NET_DEBUG_TRACE ("Tcp", ("State transit to %a\n", Name));
//
#define NET_DEBUG_TRACE(Module, PrintArg) \
NetDebugOutput ( \
NETDEBUG_LEVEL_TRACE, \
Module, \
__FILE__, \
__LINE__, \
NetDebugASPrint PrintArg \
)
#define NET_DEBUG_WARNING(Module, PrintArg) \
NetDebugOutput ( \
NETDEBUG_LEVEL_WARNING, \
Module, \
__FILE__, \
__LINE__, \
NetDebugASPrint PrintArg \
)
#define NET_DEBUG_ERROR(Module, PrintArg) \
NetDebugOutput ( \
NETDEBUG_LEVEL_ERROR, \
Module, \
__FILE__, \
__LINE__, \
NetDebugASPrint PrintArg \
)
#else
#define NET_DEBUG_TRACE(Module, PrintString)
#define NET_DEBUG_WARNING(Module, PrintString)
#define NET_DEBUG_ERROR(Module, PrintString)
#endif
UINT8 *
NetDebugASPrint (
UINT8 *Format,
...
);
EFI_STATUS
NetDebugOutput (
UINT32 Level,
UINT8 *Module,
UINT8 *File,
UINT32 Line,
UINT8 *Message
);
//
// Network debug message is sent out as syslog.
//
enum {
NET_SYSLOG_FACILITY = 16, // Syslog local facility local use
NET_SYSLOG_PACKET_LEN = 512,
NET_DEBUG_MSG_LEN = 470, // 512 - (ether+ip+udp head length)
NET_SYSLOG_TX_TIMEOUT = 500 *1000 *10, // 500ms
};
#endif
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