Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chen A Chen <chen.a.chen@intel.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com> Reviewed-by: Ruiyu Ni <Ruiyu.ni@intel.com>
		
			
				
	
	
		
			1606 lines
		
	
	
		
			47 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1606 lines
		
	
	
		
			47 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
 | 
						|
  The implementation for Ping shell command.
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						|
 | 
						|
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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						|
  Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
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  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
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						|
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						|
  This program and the accompanying materials
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						|
  are licensed and made available under the terms and conditions of the BSD License
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						|
  which accompanies this distribution.  The full text of the license may be found at
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						|
  http://opensource.org/licenses/bsd-license.php.
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						|
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						|
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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						|
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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						|
 | 
						|
**/
 | 
						|
 | 
						|
#include "UefiShellNetwork1CommandsLib.h"
 | 
						|
 | 
						|
#define PING_IP4_COPY_ADDRESS(Dest, Src) (CopyMem ((Dest), (Src), sizeof (EFI_IPv4_ADDRESS)))
 | 
						|
 | 
						|
UINT64          mCurrentTick = 0;
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						|
 | 
						|
//
 | 
						|
// Function templates to match the IPv4 and IPv6 commands that we use.
 | 
						|
//
 | 
						|
typedef 
 | 
						|
EFI_STATUS
 | 
						|
(EFIAPI *PING_IPX_POLL)(
 | 
						|
  IN VOID          *This
 | 
						|
  );  
 | 
						|
 | 
						|
typedef 
 | 
						|
EFI_STATUS
 | 
						|
(EFIAPI *PING_IPX_TRANSMIT)(
 | 
						|
  IN VOID          *This,
 | 
						|
  IN VOID          *Token
 | 
						|
  );
 | 
						|
 | 
						|
typedef 
 | 
						|
EFI_STATUS
 | 
						|
(EFIAPI *PING_IPX_RECEIVE)(
 | 
						|
  IN VOID          *This,
 | 
						|
  IN VOID          *Token
 | 
						|
  ); 
 | 
						|
 | 
						|
typedef
 | 
						|
EFI_STATUS
 | 
						|
(EFIAPI *PING_IPX_CANCEL)(
 | 
						|
  IN VOID          *This,
 | 
						|
  IN VOID          *Token OPTIONAL
 | 
						|
  );
 | 
						|
 | 
						|
///
 | 
						|
/// A set of pointers to either IPv6 or IPv4 functions.  
 | 
						|
/// Unknown which one to the ping command.
 | 
						|
///
 | 
						|
typedef struct {
 | 
						|
  PING_IPX_TRANSMIT             Transmit;
 | 
						|
  PING_IPX_RECEIVE              Receive;
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						|
  PING_IPX_CANCEL               Cancel;
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						|
  PING_IPX_POLL                 Poll;
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}PING_IPX_PROTOCOL;
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						|
 | 
						|
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typedef union {
 | 
						|
  VOID                  *RxData;
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						|
  VOID                  *TxData;
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						|
} PING_PACKET;
 | 
						|
 | 
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//
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						|
// PING_IPX_COMPLETION_TOKEN
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// structures are used for both transmit and receive operations. 
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						|
// This version is IP-unaware.
 | 
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//
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typedef struct {
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						|
  EFI_EVENT               Event;
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						|
  EFI_STATUS              Status;
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						|
  PING_PACKET             Packet;
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						|
} PING_IPX_COMPLETION_TOKEN;
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 | 
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#pragma pack(1)
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typedef struct _ICMPX_ECHO_REQUEST_REPLY {
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						|
  UINT8                       Type;
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						|
  UINT8                       Code;
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						|
  UINT16                      Checksum;
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						|
  UINT16                      Identifier;
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						|
  UINT16                      SequenceNum;
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  UINT64                      TimeStamp;
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  UINT8                       Data[1];
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} ICMPX_ECHO_REQUEST_REPLY;
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#pragma pack()
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typedef struct _PING_ICMP_TX_INFO {
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  LIST_ENTRY                Link;
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  UINT16                    SequenceNum;
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						|
  UINT64                    TimeStamp;
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						|
  PING_IPX_COMPLETION_TOKEN *Token;
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} PING_ICMPX_TX_INFO;
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						|
 | 
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#define DEFAULT_TIMEOUT       5000
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#define MAX_SEND_NUMBER       10000
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#define MAX_BUFFER_SIZE       32768
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#define DEFAULT_TIMER_PERIOD  358049
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#define ONE_SECOND            10000000
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#define PING_IP_CHOICE_IP4    1
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#define PING_IP_CHOICE_IP6    2
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#define DEFAULT_SEND_COUNT    10
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#define DEFAULT_BUFFER_SIZE   16
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#define ICMP_V4_ECHO_REQUEST  0x8
 | 
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#define ICMP_V4_ECHO_REPLY    0x0
 | 
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 | 
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#define PING_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('P', 'i', 'n', 'g')
 | 
						|
typedef struct _PING_PRIVATE_DATA {
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						|
  UINT32                      Signature;
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						|
  EFI_HANDLE                  NicHandle;
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						|
  EFI_HANDLE                  IpChildHandle;
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						|
  EFI_EVENT                   Timer;
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						|
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						|
  EFI_STATUS                  Status;
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						|
  LIST_ENTRY                  TxList;
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						|
  UINT16                      RxCount;
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						|
  UINT16                      TxCount;
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						|
  UINT64                      RttSum;
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						|
  UINT64                      RttMin;
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						|
  UINT64                      RttMax;
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						|
  UINT32                      SequenceNum;
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						|
 | 
						|
  UINT32                      SendNum;
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						|
  UINT32                      BufferSize;
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						|
  UINT32                      IpChoice;
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						|
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						|
  PING_IPX_PROTOCOL           ProtocolPointers;
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						|
  VOID                        *IpProtocol;
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						|
  UINT8                       SrcAddress[MAX(sizeof(EFI_IPv6_ADDRESS)        , sizeof(EFI_IPv4_ADDRESS)          )];
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						|
  UINT8                       DstAddress[MAX(sizeof(EFI_IPv6_ADDRESS)        , sizeof(EFI_IPv4_ADDRESS)          )];
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						|
  PING_IPX_COMPLETION_TOKEN   RxToken;
 | 
						|
  UINT16                      FailedCount;
 | 
						|
} PING_PRIVATE_DATA;
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/**
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						|
  Calculate the internet checksum (see RFC 1071).
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						|
  @param[in] Packet  Buffer which contains the data to be checksummed.
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  @param[in] Length  Length to be checksummed.
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  @retval Checksum     Returns the 16 bit ones complement of 
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                       ones complement sum of 16 bit words
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**/
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UINT16
 | 
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NetChecksum (
 | 
						|
  IN UINT8   *Buffer,
 | 
						|
  IN UINT32  Length
 | 
						|
  )
 | 
						|
{
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						|
  UINT32  Sum;
 | 
						|
  UINT8   Odd;
 | 
						|
  UINT16  *Packet;
 | 
						|
 | 
						|
  Packet  = (UINT16 *) Buffer;
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						|
 | 
						|
  Sum     = 0;
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						|
  Odd     = (UINT8) (Length & 1);
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						|
  Length >>= 1;
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						|
  while ((Length--) != 0) {
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    Sum += *Packet++;
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						|
  }
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						|
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						|
  if (Odd != 0) {
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						|
    Sum += *(UINT8 *) Packet;
 | 
						|
  }
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						|
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						|
  Sum = (Sum & 0xffff) + (Sum >> 16);
 | 
						|
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						|
  //
 | 
						|
  // in case above carried
 | 
						|
  //
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						|
  Sum += Sum >> 16;
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						|
  return (UINT16) Sum;
 | 
						|
}
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/**
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  Reads and returns the current value of register.
 | 
						|
  In IA64, the register is the Interval Timer Vector (ITV).
 | 
						|
  In X86(IA32/X64), the register is the Time Stamp Counter (TSC)
 | 
						|
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						|
  @return The current value of the register.
 | 
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 | 
						|
**/
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STATIC CONST SHELL_PARAM_ITEM    PingParamList[] = {
 | 
						|
  {
 | 
						|
    L"-l",
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    TypeValue
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  },
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  {
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    L"-n",
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    TypeValue
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  },
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  {
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    L"-s",
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    TypeValue
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						|
  },
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						|
  {
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						|
    L"-_s",
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    TypeValue
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						|
  },
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						|
  {
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    L"-_ip6",
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						|
    TypeFlag
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						|
  },
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						|
  {
 | 
						|
    NULL,
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						|
    TypeMax
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						|
  },
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};
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//
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// Global Variables in Ping command.
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//
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						|
STATIC CONST CHAR16      *mDstString;
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						|
STATIC CONST CHAR16      *mSrcString;
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						|
STATIC UINT64            mFrequency = 0;
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						|
EFI_CPU_ARCH_PROTOCOL    *gCpu = NULL;
 | 
						|
 | 
						|
/**
 | 
						|
  Read the current time.
 | 
						|
 | 
						|
  @retval the current tick value.
 | 
						|
**/
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						|
UINT64
 | 
						|
ReadTime (
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						|
  VOID
 | 
						|
  )
 | 
						|
{
 | 
						|
  UINT64                 TimerPeriod;
 | 
						|
  EFI_STATUS             Status;
 | 
						|
 | 
						|
  ASSERT (gCpu != NULL);
 | 
						|
 | 
						|
  Status = gCpu->GetTimerValue (gCpu, 0, &mCurrentTick, &TimerPeriod);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    //
 | 
						|
    // The WinntGetTimerValue will return EFI_UNSUPPORTED. Set the
 | 
						|
    // TimerPeriod by ourselves.
 | 
						|
    //
 | 
						|
    mCurrentTick += 1000000;
 | 
						|
  }
 | 
						|
  
 | 
						|
  return mCurrentTick;
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						|
}
 | 
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 | 
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 | 
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/**
 | 
						|
  Get and calculate the frequency in ticks/ms.
 | 
						|
  The result is saved in the global variable mFrequency
 | 
						|
 | 
						|
  @retval EFI_SUCCESS    Calculated the frequency successfully.
 | 
						|
  @retval Others         Failed to calculate the frequency.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
GetFrequency (
 | 
						|
  VOID
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS               Status;
 | 
						|
  UINT64                   CurrentTick;
 | 
						|
  UINT64                   TimerPeriod;
 | 
						|
 | 
						|
  Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **) &gCpu);
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  Status = gCpu->GetTimerValue (gCpu, 0, &CurrentTick, &TimerPeriod);
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    TimerPeriod = DEFAULT_TIMER_PERIOD;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // The timer period is in femtosecond (1 femtosecond is 1e-15 second).
 | 
						|
  // So 1e+12 is divided by timer period to produce the freq in ticks/ms.
 | 
						|
  //
 | 
						|
  mFrequency = DivU64x64Remainder (1000000000000ULL, TimerPeriod, NULL);
 | 
						|
 | 
						|
  return EFI_SUCCESS;
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						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Calculate a duration in ms.
 | 
						|
 | 
						|
  @param[in]  Begin     The start point of time.
 | 
						|
  @param[in]  End       The end point of time.
 | 
						|
 | 
						|
  @return               The duration in ms.
 | 
						|
  @retval 0             The parameters were not valid.
 | 
						|
**/
 | 
						|
UINT64
 | 
						|
CalculateTick (
 | 
						|
  IN UINT64    Begin,
 | 
						|
  IN UINT64    End
 | 
						|
  )
 | 
						|
{
 | 
						|
  if (End <= Begin) {
 | 
						|
    return (0);
 | 
						|
  }
 | 
						|
  return DivU64x64Remainder (End - Begin, mFrequency, NULL);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Destroy PING_ICMPX_TX_INFO, and recollect the memory.
 | 
						|
 | 
						|
  @param[in]    TxInfo    The pointer to PING_ICMPX_TX_INFO.
 | 
						|
  @param[in]    IpChoice  Whether the token is IPv4 or IPv6
 | 
						|
**/
 | 
						|
VOID
 | 
						|
PingDestroyTxInfo (
 | 
						|
  IN PING_ICMPX_TX_INFO    *TxInfo,
 | 
						|
  IN UINT32                IpChoice
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_IP6_TRANSMIT_DATA    *Ip6TxData;
 | 
						|
  EFI_IP4_TRANSMIT_DATA    *Ip4TxData;
 | 
						|
  EFI_IP6_FRAGMENT_DATA    *FragData;
 | 
						|
  UINTN                    Index;
 | 
						|
 | 
						|
  if (TxInfo == NULL) {
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  if (TxInfo->Token != NULL) {
 | 
						|
 | 
						|
    if (TxInfo->Token->Event != NULL) {
 | 
						|
      gBS->CloseEvent (TxInfo->Token->Event);
 | 
						|
    }
 | 
						|
 | 
						|
    if (TxInfo->Token->Packet.TxData != NULL) {
 | 
						|
      if (IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
        Ip6TxData = TxInfo->Token->Packet.TxData;
 | 
						|
 | 
						|
        if (Ip6TxData->OverrideData != NULL) {
 | 
						|
          FreePool (Ip6TxData->OverrideData);
 | 
						|
        }
 | 
						|
 | 
						|
        if (Ip6TxData->ExtHdrs != NULL) {
 | 
						|
          FreePool (Ip6TxData->ExtHdrs);
 | 
						|
        }
 | 
						|
 | 
						|
        for (Index = 0; Index < Ip6TxData->FragmentCount; Index++) {
 | 
						|
          FragData = Ip6TxData->FragmentTable[Index].FragmentBuffer;
 | 
						|
          if (FragData != NULL) {
 | 
						|
            FreePool (FragData);
 | 
						|
          }
 | 
						|
        }
 | 
						|
      } else {
 | 
						|
        Ip4TxData = TxInfo->Token->Packet.TxData;
 | 
						|
 | 
						|
        if (Ip4TxData->OverrideData != NULL) {
 | 
						|
          FreePool (Ip4TxData->OverrideData);
 | 
						|
        }
 | 
						|
 | 
						|
        for (Index = 0; Index < Ip4TxData->FragmentCount; Index++) {
 | 
						|
          FragData = Ip4TxData->FragmentTable[Index].FragmentBuffer;
 | 
						|
          if (FragData != NULL) {
 | 
						|
            FreePool (FragData);
 | 
						|
          }
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    FreePool (TxInfo->Token);
 | 
						|
  }
 | 
						|
 | 
						|
  FreePool (TxInfo);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Match the request, and reply with SequenceNum/TimeStamp.
 | 
						|
 | 
						|
  @param[in]    Private    The pointer to PING_PRIVATE_DATA.
 | 
						|
  @param[in]    Packet     The pointer to ICMPX_ECHO_REQUEST_REPLY.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS      The match is successful.
 | 
						|
  @retval EFI_NOT_FOUND    The reply can't be matched with any request.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
Ping6MatchEchoReply (
 | 
						|
  IN PING_PRIVATE_DATA           *Private,
 | 
						|
  IN ICMPX_ECHO_REQUEST_REPLY    *Packet
 | 
						|
  )
 | 
						|
{
 | 
						|
  PING_ICMPX_TX_INFO     *TxInfo;
 | 
						|
  LIST_ENTRY             *Entry;
 | 
						|
  LIST_ENTRY             *NextEntry;
 | 
						|
 | 
						|
  NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Private->TxList) {
 | 
						|
    TxInfo = BASE_CR (Entry, PING_ICMPX_TX_INFO, Link);
 | 
						|
 | 
						|
    if ((TxInfo->SequenceNum == Packet->SequenceNum) && (TxInfo->TimeStamp == Packet->TimeStamp)) {
 | 
						|
      Private->RxCount++;
 | 
						|
      RemoveEntryList (&TxInfo->Link);
 | 
						|
      PingDestroyTxInfo (TxInfo, Private->IpChoice);
 | 
						|
      return EFI_SUCCESS;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return EFI_NOT_FOUND;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  The original intention is to send a request.
 | 
						|
  Currently, the application retransmits an icmp6 echo request packet
 | 
						|
  per second in sendnumber times that is specified by the user.
 | 
						|
  Because nothing can be done here, all things move to the timer rountine.
 | 
						|
 | 
						|
  @param[in]    Event      A EFI_EVENT type event.
 | 
						|
  @param[in]    Context    The pointer to Context.
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
EFIAPI
 | 
						|
Ping6OnEchoRequestSent (
 | 
						|
  IN EFI_EVENT    Event,
 | 
						|
  IN VOID         *Context
 | 
						|
  )
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  receive reply, match and print reply infomation.
 | 
						|
 | 
						|
  @param[in]    Event      A EFI_EVENT type event.
 | 
						|
  @param[in]    Context    The pointer to context.
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
EFIAPI
 | 
						|
Ping6OnEchoReplyReceived (
 | 
						|
  IN EFI_EVENT    Event,
 | 
						|
  IN VOID         *Context
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                  Status;
 | 
						|
  PING_PRIVATE_DATA           *Private;
 | 
						|
  ICMPX_ECHO_REQUEST_REPLY    *Reply;
 | 
						|
  UINT32                      PayLoad;
 | 
						|
  UINT64                      Rtt;
 | 
						|
  CHAR8                       Near;
 | 
						|
 | 
						|
  Private = (PING_PRIVATE_DATA *) Context;
 | 
						|
 | 
						|
  if (Private == NULL || Private->Status == EFI_ABORTED || Private->Signature != PING_PRIVATE_DATA_SIGNATURE) {
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  if (Private->RxToken.Packet.RxData == NULL) {
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  if (Private->IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
    Reply   = ((EFI_IP6_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->FragmentTable[0].FragmentBuffer;
 | 
						|
    PayLoad = ((EFI_IP6_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->DataLength;
 | 
						|
    if (((EFI_IP6_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->Header->NextHeader != IP6_ICMP) {
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
    if (!IP6_IS_MULTICAST ((EFI_IPv6_ADDRESS*)&Private->DstAddress) && 
 | 
						|
        !EFI_IP6_EQUAL (&((EFI_IP6_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->Header->SourceAddress, (EFI_IPv6_ADDRESS*)&Private->DstAddress)) {
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
 | 
						|
    if ((Reply->Type != ICMP_V6_ECHO_REPLY) || (Reply->Code != 0)) {
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    Reply   = ((EFI_IP4_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->FragmentTable[0].FragmentBuffer;
 | 
						|
    PayLoad = ((EFI_IP4_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->DataLength;
 | 
						|
    if (!IP4_IS_MULTICAST (EFI_IP4(*(EFI_IPv4_ADDRESS*)Private->DstAddress)) && 
 | 
						|
        !EFI_IP4_EQUAL (&((EFI_IP4_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->Header->SourceAddress, (EFI_IPv4_ADDRESS*)&Private->DstAddress)) {
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
 | 
						|
    if ((Reply->Type != ICMP_V4_ECHO_REPLY) || (Reply->Code != 0)) {
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
  }
 | 
						|
  
 | 
						|
 | 
						|
  if (PayLoad != Private->BufferSize) {
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Check whether the reply matches the sent request before.
 | 
						|
  //
 | 
						|
  Status = Ping6MatchEchoReply (Private, Reply);
 | 
						|
  if (EFI_ERROR(Status)) {
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Display statistics on this icmp6 echo reply packet.
 | 
						|
  //
 | 
						|
  Rtt  = CalculateTick (Reply->TimeStamp, ReadTime ());
 | 
						|
  if (Rtt != 0) {
 | 
						|
    Near = (CHAR8) '=';
 | 
						|
  } else {
 | 
						|
    Near = (CHAR8) '<';
 | 
						|
  }
 | 
						|
 | 
						|
  Private->RttSum += Rtt;
 | 
						|
  Private->RttMin  = Private->RttMin > Rtt ? Rtt : Private->RttMin;
 | 
						|
  Private->RttMax  = Private->RttMax < Rtt ? Rtt : Private->RttMax;
 | 
						|
 | 
						|
  ShellPrintHiiEx (
 | 
						|
    -1,
 | 
						|
    -1,
 | 
						|
    NULL,
 | 
						|
    STRING_TOKEN (STR_PING_REPLY_INFO),
 | 
						|
    gShellNetwork1HiiHandle,
 | 
						|
    PayLoad,
 | 
						|
    mDstString,
 | 
						|
    Reply->SequenceNum,
 | 
						|
    Private->IpChoice == PING_IP_CHOICE_IP6?((EFI_IP6_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->Header->HopLimit:0,
 | 
						|
    Near,
 | 
						|
    Rtt
 | 
						|
    );
 | 
						|
 | 
						|
ON_EXIT:
 | 
						|
 | 
						|
  if (Private->RxCount < Private->SendNum) {
 | 
						|
    //
 | 
						|
    // Continue to receive icmp echo reply packets.
 | 
						|
    //
 | 
						|
    Private->RxToken.Status = EFI_ABORTED;
 | 
						|
 | 
						|
    Status = Private->ProtocolPointers.Receive (Private->IpProtocol, &Private->RxToken);
 | 
						|
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      Private->Status = EFI_ABORTED;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    //
 | 
						|
    // All reply have already been received from the dest host.
 | 
						|
    //
 | 
						|
    Private->Status = EFI_SUCCESS;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Singal to recycle the each rxdata here, not at the end of process.
 | 
						|
  //
 | 
						|
  gBS->SignalEvent (Private->IpChoice == PING_IP_CHOICE_IP6?((EFI_IP6_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->RecycleSignal:((EFI_IP4_RECEIVE_DATA*)Private->RxToken.Packet.RxData)->RecycleSignal);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Create a PING_IPX_COMPLETION_TOKEN.
 | 
						|
 | 
						|
  @param[in]    Private        The pointer of PING_PRIVATE_DATA.
 | 
						|
  @param[in]    TimeStamp      The TimeStamp of request.
 | 
						|
  @param[in]    SequenceNum    The SequenceNum of request.
 | 
						|
 | 
						|
  @return The pointer of PING_IPX_COMPLETION_TOKEN.
 | 
						|
 | 
						|
**/
 | 
						|
PING_IPX_COMPLETION_TOKEN *
 | 
						|
PingGenerateToken (
 | 
						|
  IN PING_PRIVATE_DATA    *Private,
 | 
						|
  IN UINT64                TimeStamp,
 | 
						|
  IN UINT16                SequenceNum
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                  Status;
 | 
						|
  PING_IPX_COMPLETION_TOKEN   *Token;
 | 
						|
  VOID                        *TxData;
 | 
						|
  ICMPX_ECHO_REQUEST_REPLY    *Request;
 | 
						|
  UINT16                        HeadSum;
 | 
						|
  UINT16                        TempChecksum;
 | 
						|
 | 
						|
  Request = AllocateZeroPool (Private->BufferSize);
 | 
						|
  if (Request == NULL) {
 | 
						|
    return NULL;
 | 
						|
  }
 | 
						|
  TxData = AllocateZeroPool (Private->IpChoice==PING_IP_CHOICE_IP6?sizeof (EFI_IP6_TRANSMIT_DATA):sizeof (EFI_IP4_TRANSMIT_DATA));
 | 
						|
  if (TxData == NULL) {
 | 
						|
    FreePool (Request);
 | 
						|
    return NULL;
 | 
						|
  }
 | 
						|
  Token = AllocateZeroPool (sizeof (PING_IPX_COMPLETION_TOKEN));
 | 
						|
  if (Token == NULL) {
 | 
						|
    FreePool (Request);
 | 
						|
    FreePool (TxData);
 | 
						|
    return NULL;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Assembly echo request packet.
 | 
						|
  //
 | 
						|
  Request->Type        = (UINT8)(Private->IpChoice==PING_IP_CHOICE_IP6?ICMP_V6_ECHO_REQUEST:ICMP_V4_ECHO_REQUEST);
 | 
						|
  Request->Code        = 0;
 | 
						|
  Request->SequenceNum = SequenceNum; 
 | 
						|
  Request->Identifier  = 0;
 | 
						|
  Request->Checksum    = 0;
 | 
						|
 | 
						|
  //
 | 
						|
  // Assembly token for transmit.
 | 
						|
  //
 | 
						|
  if (Private->IpChoice==PING_IP_CHOICE_IP6) {
 | 
						|
    Request->TimeStamp   = TimeStamp;
 | 
						|
    ((EFI_IP6_TRANSMIT_DATA*)TxData)->ExtHdrsLength                   = 0;
 | 
						|
    ((EFI_IP6_TRANSMIT_DATA*)TxData)->ExtHdrs                         = NULL;
 | 
						|
    ((EFI_IP6_TRANSMIT_DATA*)TxData)->OverrideData                    = 0;
 | 
						|
    ((EFI_IP6_TRANSMIT_DATA*)TxData)->DataLength                      = Private->BufferSize;
 | 
						|
    ((EFI_IP6_TRANSMIT_DATA*)TxData)->FragmentCount                   = 1;
 | 
						|
    ((EFI_IP6_TRANSMIT_DATA*)TxData)->FragmentTable[0].FragmentBuffer = (VOID *) Request;
 | 
						|
    ((EFI_IP6_TRANSMIT_DATA*)TxData)->FragmentTable[0].FragmentLength = Private->BufferSize;
 | 
						|
  } else {
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->OptionsLength                   = 0;
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->OptionsBuffer                   = NULL;
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->OverrideData                    = 0;
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->TotalDataLength                 = Private->BufferSize;
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->FragmentCount                   = 1;
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->FragmentTable[0].FragmentBuffer = (VOID *) Request;
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->FragmentTable[0].FragmentLength = Private->BufferSize;
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->DestinationAddress.Addr[0]      = Private->DstAddress[0];
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->DestinationAddress.Addr[1]      = Private->DstAddress[1];
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->DestinationAddress.Addr[2]      = Private->DstAddress[2];
 | 
						|
    ((EFI_IP4_TRANSMIT_DATA*)TxData)->DestinationAddress.Addr[3]      = Private->DstAddress[3];
 | 
						|
 | 
						|
    HeadSum = NetChecksum ((UINT8 *) Request, Private->BufferSize);
 | 
						|
    Request->TimeStamp   = TimeStamp;
 | 
						|
    TempChecksum = NetChecksum ((UINT8 *) &Request->TimeStamp, sizeof (UINT64));
 | 
						|
    Request->Checksum = (UINT16)(~NetAddChecksum (HeadSum, TempChecksum));
 | 
						|
  }
 | 
						|
 | 
						|
 | 
						|
  Token->Status         = EFI_ABORTED;
 | 
						|
  Token->Packet.TxData  = TxData;
 | 
						|
 | 
						|
  Status = gBS->CreateEvent (
 | 
						|
                  EVT_NOTIFY_SIGNAL,
 | 
						|
                  TPL_CALLBACK,
 | 
						|
                  Ping6OnEchoRequestSent,
 | 
						|
                  Private,
 | 
						|
                  &Token->Event
 | 
						|
                  );
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    FreePool (Request);
 | 
						|
    FreePool (TxData);
 | 
						|
    FreePool (Token);
 | 
						|
    return NULL;
 | 
						|
  }
 | 
						|
 | 
						|
  return Token;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Transmit the PING_IPX_COMPLETION_TOKEN.
 | 
						|
 | 
						|
  @param[in]    Private    The pointer of PING_PRIVATE_DATA.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS             Transmitted successfully.
 | 
						|
  @retval EFI_OUT_OF_RESOURCES    No memory is available on the platform.
 | 
						|
  @retval others                  Transmitted unsuccessfully.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
PingSendEchoRequest (
 | 
						|
  IN PING_PRIVATE_DATA    *Private
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS             Status;
 | 
						|
  PING_ICMPX_TX_INFO     *TxInfo;
 | 
						|
 | 
						|
  TxInfo = AllocateZeroPool (sizeof (PING_ICMPX_TX_INFO));
 | 
						|
 | 
						|
  if (TxInfo == NULL) {
 | 
						|
    return EFI_OUT_OF_RESOURCES;
 | 
						|
  }
 | 
						|
 | 
						|
  TxInfo->TimeStamp   = ReadTime ();
 | 
						|
  TxInfo->SequenceNum = (UINT16) (Private->TxCount + 1);
 | 
						|
  TxInfo->Token       = PingGenerateToken (
 | 
						|
                          Private,
 | 
						|
                          TxInfo->TimeStamp,
 | 
						|
                          TxInfo->SequenceNum
 | 
						|
                          );
 | 
						|
 | 
						|
  if (TxInfo->Token == NULL) {
 | 
						|
    PingDestroyTxInfo (TxInfo, Private->IpChoice);
 | 
						|
    return EFI_OUT_OF_RESOURCES;
 | 
						|
  }
 | 
						|
 | 
						|
  ASSERT(Private->ProtocolPointers.Transmit != NULL);
 | 
						|
  Status = Private->ProtocolPointers.Transmit (Private->IpProtocol, TxInfo->Token);
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    PingDestroyTxInfo (TxInfo, Private->IpChoice);
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  InsertTailList (&Private->TxList, &TxInfo->Link);
 | 
						|
  Private->TxCount++;
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Place a completion token into the receive packet queue to receive the echo reply.
 | 
						|
 | 
						|
  @param[in]    Private    The pointer of PING_PRIVATE_DATA.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS      Put the token into the receive packet queue successfully.
 | 
						|
  @retval others           Put the token into the receive packet queue unsuccessfully.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
Ping6ReceiveEchoReply (
 | 
						|
  IN PING_PRIVATE_DATA    *Private
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS    Status;
 | 
						|
 | 
						|
  ZeroMem (&Private->RxToken, sizeof (PING_IPX_COMPLETION_TOKEN));
 | 
						|
 | 
						|
  Status = gBS->CreateEvent (
 | 
						|
                  EVT_NOTIFY_SIGNAL,
 | 
						|
                  TPL_CALLBACK,
 | 
						|
                  Ping6OnEchoReplyReceived,
 | 
						|
                  Private,
 | 
						|
                  &Private->RxToken.Event
 | 
						|
                  );
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  Private->RxToken.Status = EFI_NOT_READY;
 | 
						|
 | 
						|
  return (Private->ProtocolPointers.Receive (Private->IpProtocol, &Private->RxToken));
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Remove the timeout request from the list.
 | 
						|
 | 
						|
  @param[in]    Event    A EFI_EVENT type event.
 | 
						|
  @param[in]    Context  The pointer to Context.
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
EFIAPI
 | 
						|
Ping6OnTimerRoutine (
 | 
						|
  IN EFI_EVENT    Event,
 | 
						|
  IN VOID         *Context
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS             Status;
 | 
						|
  PING_PRIVATE_DATA      *Private;
 | 
						|
  PING_ICMPX_TX_INFO     *TxInfo;
 | 
						|
  LIST_ENTRY             *Entry;
 | 
						|
  LIST_ENTRY             *NextEntry;
 | 
						|
  UINT64                 Time;
 | 
						|
 | 
						|
  Private = (PING_PRIVATE_DATA *) Context;
 | 
						|
  if (Private->Signature != PING_PRIVATE_DATA_SIGNATURE) {
 | 
						|
    Private->Status = EFI_NOT_FOUND;
 | 
						|
    return;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Retransmit icmp6 echo request packets per second in sendnumber times.
 | 
						|
  //
 | 
						|
  if (Private->TxCount < Private->SendNum) {
 | 
						|
 | 
						|
    Status = PingSendEchoRequest (Private);
 | 
						|
    if (Private->TxCount != 0){
 | 
						|
      if (EFI_ERROR (Status)) {
 | 
						|
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_SEND_REQUEST), gShellNetwork1HiiHandle, Private->TxCount + 1);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Check whether any icmp6 echo request in the list timeout.
 | 
						|
  //
 | 
						|
  NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Private->TxList) {
 | 
						|
    TxInfo = BASE_CR (Entry, PING_ICMPX_TX_INFO, Link);
 | 
						|
    Time   = CalculateTick (TxInfo->TimeStamp, ReadTime ());
 | 
						|
 | 
						|
    //
 | 
						|
    // Remove the timeout echo request from txlist.
 | 
						|
    //
 | 
						|
    if (Time > DEFAULT_TIMEOUT) {
 | 
						|
 | 
						|
      if (EFI_ERROR (TxInfo->Token->Status)) {
 | 
						|
        Private->ProtocolPointers.Cancel (Private->IpProtocol, TxInfo->Token);
 | 
						|
      }
 | 
						|
      //
 | 
						|
      // Remove the timeout icmp6 echo request from list.
 | 
						|
      //
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_TIMEOUT), gShellNetwork1HiiHandle, TxInfo->SequenceNum);
 | 
						|
 | 
						|
      RemoveEntryList (&TxInfo->Link);
 | 
						|
      PingDestroyTxInfo (TxInfo, Private->IpChoice);
 | 
						|
 | 
						|
      Private->RxCount++;
 | 
						|
      Private->FailedCount++;
 | 
						|
 | 
						|
      if (IsListEmpty (&Private->TxList) && (Private->TxCount == Private->SendNum)) {
 | 
						|
        //
 | 
						|
        // All the left icmp6 echo request in the list timeout.
 | 
						|
        //
 | 
						|
        Private->Status = EFI_TIMEOUT;
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Determine if a IP4 address is Link Local.
 | 
						|
 | 
						|
  169.254.1.0 through 169.254.254.255 is link local.
 | 
						|
 | 
						|
  @param[in] Address  The address to test.
 | 
						|
 | 
						|
  @retval TRUE      It is.
 | 
						|
  @retval FALSE     It is not.
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
PingNetIp4IsLinkLocalAddr (
 | 
						|
  IN CONST EFI_IPv4_ADDRESS *Address
 | 
						|
  )
 | 
						|
{
 | 
						|
  return ((BOOLEAN)(Address->Addr[0] == 169 && Address->Addr[1] == 254 && Address->Addr[2] >= 1 && Address->Addr[2] <= 254));
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Determine if a IP4 address is unspecified.
 | 
						|
 | 
						|
  @param[in] Address  The address to test.
 | 
						|
 | 
						|
  @retval TRUE      It is.
 | 
						|
  @retval FALSE     It is not.
 | 
						|
**/
 | 
						|
BOOLEAN
 | 
						|
PingNetIp4IsUnspecifiedAddr (
 | 
						|
  IN CONST EFI_IPv4_ADDRESS *Address
 | 
						|
  )
 | 
						|
{
 | 
						|
  return  ((BOOLEAN)((ReadUnaligned32 ((UINT32*)&Address->Addr[0])) == 0x00000000));
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Create a valid IP instance.
 | 
						|
 | 
						|
  @param[in]    Private    The pointer of PING_PRIVATE_DATA.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS              Create a valid IPx instance successfully.
 | 
						|
  @retval EFI_ABORTED              Locate handle with ipx service binding protocol unsuccessfully.
 | 
						|
  @retval EFI_INVALID_PARAMETER    The source address is unspecified when the destination address is a link-local address.
 | 
						|
  @retval EFI_OUT_OF_RESOURCES     No memory is available on the platform.
 | 
						|
  @retval EFI_NOT_FOUND            The source address is not found.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
PingCreateIpInstance (
 | 
						|
  IN  PING_PRIVATE_DATA    *Private
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                       Status;
 | 
						|
  UINTN                            HandleIndex;
 | 
						|
  UINTN                            HandleNum;
 | 
						|
  EFI_HANDLE                       *HandleBuffer;
 | 
						|
  BOOLEAN                          UnspecifiedSrc;
 | 
						|
  BOOLEAN                          MediaPresent;
 | 
						|
  EFI_SERVICE_BINDING_PROTOCOL     *EfiSb;
 | 
						|
  VOID                             *IpXCfg;
 | 
						|
  EFI_IP6_CONFIG_DATA              Ip6Config;
 | 
						|
  EFI_IP4_CONFIG_DATA              Ip4Config;
 | 
						|
  VOID                             *IpXInterfaceInfo;
 | 
						|
  UINTN                            IfInfoSize;
 | 
						|
  EFI_IPv6_ADDRESS                 *Addr;
 | 
						|
  UINTN                            AddrIndex;
 | 
						|
 | 
						|
  HandleBuffer      = NULL;
 | 
						|
  UnspecifiedSrc    = FALSE;
 | 
						|
  MediaPresent      = TRUE;
 | 
						|
  EfiSb             = NULL;
 | 
						|
  IpXInterfaceInfo  = NULL;
 | 
						|
  IfInfoSize        = 0;
 | 
						|
 | 
						|
  //
 | 
						|
  // Locate all the handles with ip6 service binding protocol.
 | 
						|
  //
 | 
						|
  Status = gBS->LocateHandleBuffer (
 | 
						|
                  ByProtocol,
 | 
						|
                  Private->IpChoice == PING_IP_CHOICE_IP6?&gEfiIp6ServiceBindingProtocolGuid:&gEfiIp4ServiceBindingProtocolGuid,
 | 
						|
                  NULL,
 | 
						|
                  &HandleNum,
 | 
						|
                  &HandleBuffer
 | 
						|
                  );
 | 
						|
  if (EFI_ERROR (Status) || (HandleNum == 0) || (HandleBuffer == NULL)) {
 | 
						|
    return EFI_ABORTED;
 | 
						|
  }
 | 
						|
 | 
						|
  if (Private->IpChoice == PING_IP_CHOICE_IP6 ? NetIp6IsUnspecifiedAddr ((EFI_IPv6_ADDRESS*)&Private->SrcAddress) : \
 | 
						|
      PingNetIp4IsUnspecifiedAddr ((EFI_IPv4_ADDRESS*)&Private->SrcAddress)) {
 | 
						|
    //
 | 
						|
    // SrcAddress is unspecified. So, both connected and configured interface will be automatic selected. 
 | 
						|
    //
 | 
						|
    UnspecifiedSrc = TRUE;
 | 
						|
  }
 | 
						|
  
 | 
						|
  //
 | 
						|
  // Source address is required when pinging a link-local address.
 | 
						|
  //
 | 
						|
  if (Private->IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
    if (NetIp6IsLinkLocalAddr ((EFI_IPv6_ADDRESS*)&Private->DstAddress) && UnspecifiedSrc) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_INVALID_SOURCE), gShellNetwork1HiiHandle);
 | 
						|
      Status = EFI_INVALID_PARAMETER;
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    ASSERT(Private->IpChoice == PING_IP_CHOICE_IP4);
 | 
						|
    if (PingNetIp4IsLinkLocalAddr ((EFI_IPv4_ADDRESS*)&Private->DstAddress) && UnspecifiedSrc) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_INVALID_SOURCE), gShellNetwork1HiiHandle); 
 | 
						|
      Status = EFI_INVALID_PARAMETER;
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
  }
 | 
						|
  
 | 
						|
  //
 | 
						|
  // For each ip6 protocol, check interface addresses list.
 | 
						|
  //
 | 
						|
  for (HandleIndex = 0; HandleIndex < HandleNum; HandleIndex++) {
 | 
						|
    EfiSb             = NULL;
 | 
						|
    IpXInterfaceInfo  = NULL;
 | 
						|
    IfInfoSize        = 0;
 | 
						|
 | 
						|
    if (UnspecifiedSrc) {
 | 
						|
      //
 | 
						|
      // Check media.
 | 
						|
      //
 | 
						|
      NetLibDetectMedia (HandleBuffer[HandleIndex], &MediaPresent);
 | 
						|
      if (!MediaPresent) {
 | 
						|
        //
 | 
						|
        // Skip this one.
 | 
						|
        //
 | 
						|
        continue;
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    Status = gBS->HandleProtocol (
 | 
						|
                    HandleBuffer[HandleIndex],
 | 
						|
                    Private->IpChoice == PING_IP_CHOICE_IP6?&gEfiIp6ServiceBindingProtocolGuid:&gEfiIp4ServiceBindingProtocolGuid,
 | 
						|
                    (VOID **) &EfiSb
 | 
						|
                    );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
 | 
						|
    //
 | 
						|
    // Ip6config protocol and ip6 service binding protocol are installed
 | 
						|
    // on the same handle.
 | 
						|
    //
 | 
						|
    Status = gBS->HandleProtocol (
 | 
						|
                    HandleBuffer[HandleIndex],
 | 
						|
                    Private->IpChoice == PING_IP_CHOICE_IP6?&gEfiIp6ConfigProtocolGuid:&gEfiIp4Config2ProtocolGuid,
 | 
						|
                    (VOID **) &IpXCfg
 | 
						|
                    );
 | 
						|
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
    //
 | 
						|
    // Get the interface information size.
 | 
						|
    //
 | 
						|
    if (Private->IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
      Status = ((EFI_IP6_CONFIG_PROTOCOL*)IpXCfg)->GetData (
 | 
						|
                         IpXCfg,
 | 
						|
                         Ip6ConfigDataTypeInterfaceInfo,
 | 
						|
                         &IfInfoSize,
 | 
						|
                         NULL
 | 
						|
                         );
 | 
						|
    } else {
 | 
						|
      Status = ((EFI_IP4_CONFIG2_PROTOCOL*)IpXCfg)->GetData (
 | 
						|
                         IpXCfg,
 | 
						|
                         Ip4Config2DataTypeInterfaceInfo,
 | 
						|
                         &IfInfoSize,
 | 
						|
                         NULL
 | 
						|
                         );
 | 
						|
    }
 | 
						|
    
 | 
						|
    //
 | 
						|
    // Skip the ones not in current use.
 | 
						|
    //
 | 
						|
    if (Status == EFI_NOT_STARTED) {
 | 
						|
      continue;
 | 
						|
    }
 | 
						|
 | 
						|
    if (Status != EFI_BUFFER_TOO_SMALL) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_GETDATA), gShellNetwork1HiiHandle, Status);
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
 | 
						|
    IpXInterfaceInfo = AllocateZeroPool (IfInfoSize);
 | 
						|
 | 
						|
    if (IpXInterfaceInfo == NULL) {
 | 
						|
      Status = EFI_OUT_OF_RESOURCES;
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
    //
 | 
						|
    // Get the interface info.
 | 
						|
    //
 | 
						|
    if (Private->IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
      Status = ((EFI_IP6_CONFIG_PROTOCOL*)IpXCfg)->GetData (
 | 
						|
                         IpXCfg,
 | 
						|
                         Ip6ConfigDataTypeInterfaceInfo,
 | 
						|
                         &IfInfoSize,
 | 
						|
                         IpXInterfaceInfo
 | 
						|
                         );
 | 
						|
    } else {
 | 
						|
      Status = ((EFI_IP4_CONFIG2_PROTOCOL*)IpXCfg)->GetData (
 | 
						|
                         IpXCfg,
 | 
						|
                         Ip4Config2DataTypeInterfaceInfo,
 | 
						|
                         &IfInfoSize,
 | 
						|
                         IpXInterfaceInfo
 | 
						|
                         );
 | 
						|
    }
 | 
						|
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_GETDATA), gShellNetwork1HiiHandle, Status);
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
    //
 | 
						|
    // Check whether the source address is one of the interface addresses.
 | 
						|
    //
 | 
						|
    if (Private->IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
      for (AddrIndex = 0; AddrIndex < ((EFI_IP6_CONFIG_INTERFACE_INFO*)IpXInterfaceInfo)->AddressInfoCount; AddrIndex++) {
 | 
						|
        Addr = &(((EFI_IP6_CONFIG_INTERFACE_INFO*)IpXInterfaceInfo)->AddressInfo[AddrIndex].Address);
 | 
						|
 | 
						|
        if (UnspecifiedSrc) {
 | 
						|
          if (!NetIp6IsUnspecifiedAddr (Addr) && !NetIp6IsLinkLocalAddr (Addr)) {
 | 
						|
            //
 | 
						|
            // Select the interface automatically.
 | 
						|
            //
 | 
						|
            CopyMem(&Private->SrcAddress, Addr, sizeof(Private->SrcAddress));
 | 
						|
            break;
 | 
						|
          }
 | 
						|
        } else if (EFI_IP6_EQUAL (&Private->SrcAddress, Addr)) {
 | 
						|
          //
 | 
						|
          // Match a certain interface address.
 | 
						|
          //
 | 
						|
          break;
 | 
						|
        }
 | 
						|
      }
 | 
						|
 | 
						|
      if (AddrIndex < ((EFI_IP6_CONFIG_INTERFACE_INFO*)IpXInterfaceInfo)->AddressInfoCount) {
 | 
						|
        //
 | 
						|
        // Found a nic handle with right interface address.
 | 
						|
        //
 | 
						|
        break;
 | 
						|
      }
 | 
						|
    } else {
 | 
						|
      if (UnspecifiedSrc) {
 | 
						|
        if (!PingNetIp4IsUnspecifiedAddr (&((EFI_IP4_CONFIG2_INTERFACE_INFO*)IpXInterfaceInfo)->StationAddress) && 
 | 
						|
            !PingNetIp4IsLinkLocalAddr (&((EFI_IP4_CONFIG2_INTERFACE_INFO*)IpXInterfaceInfo)->StationAddress)) {
 | 
						|
          //
 | 
						|
          // Select the interface automatically.
 | 
						|
          //
 | 
						|
          break;
 | 
						|
        }
 | 
						|
      } else if (EFI_IP4_EQUAL (&Private->SrcAddress, &((EFI_IP4_CONFIG2_INTERFACE_INFO*)IpXInterfaceInfo)->StationAddress)) {
 | 
						|
        //
 | 
						|
        // Match a certain interface address.
 | 
						|
        //
 | 
						|
        break;
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    FreePool (IpXInterfaceInfo);
 | 
						|
    IpXInterfaceInfo = NULL;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // No exact interface address matched.
 | 
						|
  //
 | 
						|
 | 
						|
  if (HandleIndex == HandleNum) {
 | 
						|
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_CONFIGD_NIC_NF), gShellNetwork1HiiHandle, L"ping");  
 | 
						|
    Status = EFI_NOT_FOUND;
 | 
						|
    goto ON_ERROR;
 | 
						|
  }
 | 
						|
 | 
						|
  Private->NicHandle = HandleBuffer[HandleIndex];
 | 
						|
 | 
						|
  ASSERT (EfiSb != NULL);
 | 
						|
  Status = EfiSb->CreateChild (EfiSb, &Private->IpChildHandle);
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    goto ON_ERROR;
 | 
						|
  }
 | 
						|
  if (Private->IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
    Status = gBS->OpenProtocol (
 | 
						|
                    Private->IpChildHandle,
 | 
						|
                    &gEfiIp6ProtocolGuid,
 | 
						|
                    &Private->IpProtocol,
 | 
						|
                    gImageHandle,
 | 
						|
                    Private->IpChildHandle,
 | 
						|
                    EFI_OPEN_PROTOCOL_GET_PROTOCOL
 | 
						|
                    );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    ZeroMem (&Ip6Config, sizeof (EFI_IP6_CONFIG_DATA));
 | 
						|
 | 
						|
    //
 | 
						|
    // Configure the ip6 instance for icmp6 packet exchange.
 | 
						|
    //
 | 
						|
    Ip6Config.DefaultProtocol   = 58;
 | 
						|
    Ip6Config.AcceptAnyProtocol = FALSE;
 | 
						|
    Ip6Config.AcceptIcmpErrors  = TRUE;
 | 
						|
    Ip6Config.AcceptPromiscuous = FALSE;
 | 
						|
    Ip6Config.TrafficClass      = 0;
 | 
						|
    Ip6Config.HopLimit          = 128;
 | 
						|
    Ip6Config.FlowLabel         = 0;
 | 
						|
    Ip6Config.ReceiveTimeout    = 0;
 | 
						|
    Ip6Config.TransmitTimeout   = 0;
 | 
						|
 | 
						|
    IP6_COPY_ADDRESS (&Ip6Config.StationAddress,     &Private->SrcAddress);
 | 
						|
    IP6_COPY_ADDRESS (&Ip6Config.DestinationAddress, &Private->DstAddress);
 | 
						|
 | 
						|
    Status = ((EFI_IP6_PROTOCOL*)(Private->IpProtocol))->Configure (Private->IpProtocol, &Ip6Config);
 | 
						|
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_CONFIG), gShellNetwork1HiiHandle, Status);
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
 | 
						|
    Private->ProtocolPointers.Transmit  = (PING_IPX_TRANSMIT )((EFI_IP6_PROTOCOL*)Private->IpProtocol)->Transmit;
 | 
						|
    Private->ProtocolPointers.Receive   = (PING_IPX_RECEIVE  )((EFI_IP6_PROTOCOL*)Private->IpProtocol)->Receive;
 | 
						|
    Private->ProtocolPointers.Cancel    = (PING_IPX_CANCEL   )((EFI_IP6_PROTOCOL*)Private->IpProtocol)->Cancel;
 | 
						|
    Private->ProtocolPointers.Poll      = (PING_IPX_POLL     )((EFI_IP6_PROTOCOL*)Private->IpProtocol)->Poll;
 | 
						|
  } else {
 | 
						|
    Status = gBS->OpenProtocol (
 | 
						|
                    Private->IpChildHandle,
 | 
						|
                    &gEfiIp4ProtocolGuid,
 | 
						|
                    &Private->IpProtocol,
 | 
						|
                    gImageHandle,
 | 
						|
                    Private->IpChildHandle,
 | 
						|
                    EFI_OPEN_PROTOCOL_GET_PROTOCOL
 | 
						|
                    );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    ZeroMem (&Ip4Config, sizeof (EFI_IP4_CONFIG_DATA));
 | 
						|
 | 
						|
    //
 | 
						|
    // Configure the ip4 instance for icmp4 packet exchange.
 | 
						|
    //
 | 
						|
    Ip4Config.DefaultProtocol   = 1;
 | 
						|
    Ip4Config.AcceptAnyProtocol = FALSE;
 | 
						|
    Ip4Config.AcceptBroadcast   = FALSE;
 | 
						|
    Ip4Config.AcceptIcmpErrors  = TRUE;
 | 
						|
    Ip4Config.AcceptPromiscuous = FALSE;
 | 
						|
    Ip4Config.DoNotFragment     = FALSE;
 | 
						|
    Ip4Config.RawData           = FALSE;
 | 
						|
    Ip4Config.ReceiveTimeout    = 0;
 | 
						|
    Ip4Config.TransmitTimeout   = 0;
 | 
						|
    Ip4Config.UseDefaultAddress = TRUE;
 | 
						|
    Ip4Config.TimeToLive        = 128;
 | 
						|
    Ip4Config.TypeOfService     = 0;
 | 
						|
 | 
						|
    Status = ((EFI_IP4_PROTOCOL*)(Private->IpProtocol))->Configure (Private->IpProtocol, &Ip4Config);
 | 
						|
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_CONFIG), gShellNetwork1HiiHandle, Status);
 | 
						|
      goto ON_ERROR;
 | 
						|
    }
 | 
						|
 | 
						|
    Private->ProtocolPointers.Transmit  = (PING_IPX_TRANSMIT )((EFI_IP4_PROTOCOL*)Private->IpProtocol)->Transmit;
 | 
						|
    Private->ProtocolPointers.Receive   = (PING_IPX_RECEIVE  )((EFI_IP4_PROTOCOL*)Private->IpProtocol)->Receive;
 | 
						|
    Private->ProtocolPointers.Cancel    = (PING_IPX_CANCEL   )((EFI_IP4_PROTOCOL*)Private->IpProtocol)->Cancel;
 | 
						|
    Private->ProtocolPointers.Poll      = (PING_IPX_POLL     )((EFI_IP4_PROTOCOL*)Private->IpProtocol)->Poll;  
 | 
						|
  }
 | 
						|
 | 
						|
  if (HandleBuffer != NULL) {
 | 
						|
    FreePool (HandleBuffer);
 | 
						|
  }
 | 
						|
 | 
						|
  return EFI_SUCCESS;
 | 
						|
 | 
						|
ON_ERROR:
 | 
						|
  if (HandleBuffer != NULL) {
 | 
						|
    FreePool (HandleBuffer);
 | 
						|
  }
 | 
						|
 | 
						|
  if (IpXInterfaceInfo != NULL) {
 | 
						|
    FreePool (IpXInterfaceInfo);
 | 
						|
  }
 | 
						|
 | 
						|
  if ((EfiSb != NULL) && (Private->IpChildHandle != NULL)) {
 | 
						|
    EfiSb->DestroyChild (EfiSb, Private->IpChildHandle);
 | 
						|
  }
 | 
						|
 | 
						|
  return Status;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Destroy the IP instance.
 | 
						|
 | 
						|
  @param[in]    Private    The pointer of PING_PRIVATE_DATA.
 | 
						|
 | 
						|
**/
 | 
						|
VOID
 | 
						|
Ping6DestroyIp6Instance (
 | 
						|
  IN PING_PRIVATE_DATA    *Private
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                      Status;
 | 
						|
  EFI_SERVICE_BINDING_PROTOCOL    *IpSb;
 | 
						|
 | 
						|
  gBS->CloseProtocol (
 | 
						|
         Private->IpChildHandle,
 | 
						|
         Private->IpChoice == PING_IP_CHOICE_IP6?&gEfiIp6ProtocolGuid:&gEfiIp4ProtocolGuid,
 | 
						|
         gImageHandle,
 | 
						|
         Private->IpChildHandle
 | 
						|
         );
 | 
						|
 | 
						|
  Status = gBS->HandleProtocol (
 | 
						|
                  Private->NicHandle,
 | 
						|
                  Private->IpChoice == PING_IP_CHOICE_IP6?&gEfiIp6ServiceBindingProtocolGuid:&gEfiIp4ServiceBindingProtocolGuid,
 | 
						|
                  (VOID **) &IpSb
 | 
						|
                  );
 | 
						|
 | 
						|
  if (!EFI_ERROR(Status)) {
 | 
						|
    IpSb->DestroyChild (IpSb, Private->IpChildHandle);
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  The Ping Process.
 | 
						|
 | 
						|
  @param[in]   SendNumber     The send request count.
 | 
						|
  @param[in]   BufferSize     The send buffer size.
 | 
						|
  @param[in]   SrcAddress     The source address.
 | 
						|
  @param[in]   DstAddress     The destination address.
 | 
						|
  @param[in]   IpChoice       The choice between IPv4 and IPv6.
 | 
						|
 | 
						|
  @retval SHELL_SUCCESS  The ping processed successfullly.
 | 
						|
  @retval others         The ping processed unsuccessfully.
 | 
						|
**/
 | 
						|
SHELL_STATUS
 | 
						|
ShellPing (
 | 
						|
  IN UINT32              SendNumber,
 | 
						|
  IN UINT32              BufferSize,
 | 
						|
  IN EFI_IPv6_ADDRESS    *SrcAddress,
 | 
						|
  IN EFI_IPv6_ADDRESS    *DstAddress,
 | 
						|
  IN UINT32              IpChoice
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS             Status;
 | 
						|
  PING_PRIVATE_DATA      *Private;
 | 
						|
  PING_ICMPX_TX_INFO     *TxInfo;
 | 
						|
  LIST_ENTRY             *Entry;
 | 
						|
  LIST_ENTRY             *NextEntry;
 | 
						|
  SHELL_STATUS           ShellStatus;
 | 
						|
 | 
						|
  ShellStatus = SHELL_SUCCESS;
 | 
						|
  Private     = AllocateZeroPool (sizeof (PING_PRIVATE_DATA));
 | 
						|
 | 
						|
  if (Private == NULL) {
 | 
						|
    return (SHELL_OUT_OF_RESOURCES);
 | 
						|
  }
 | 
						|
 | 
						|
  Private->IpChoice    = IpChoice;
 | 
						|
  Private->Signature   = PING_PRIVATE_DATA_SIGNATURE;
 | 
						|
  Private->SendNum     = SendNumber;
 | 
						|
  Private->BufferSize  = BufferSize;
 | 
						|
  Private->RttMin      = ~((UINT64 )(0x0));
 | 
						|
  Private->Status      = EFI_NOT_READY;
 | 
						|
 | 
						|
  CopyMem(&Private->SrcAddress, SrcAddress, sizeof(Private->SrcAddress));
 | 
						|
  CopyMem(&Private->DstAddress, DstAddress, sizeof(Private->DstAddress));
 | 
						|
 | 
						|
  InitializeListHead (&Private->TxList);
 | 
						|
 | 
						|
  //
 | 
						|
  // Open and configure a ip instance for us.
 | 
						|
  //
 | 
						|
  Status = PingCreateIpInstance (Private);
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    ShellStatus = SHELL_ACCESS_DENIED;
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Print the command line itself.
 | 
						|
  //
 | 
						|
  ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_START), gShellNetwork1HiiHandle, mDstString, Private->BufferSize);
 | 
						|
  //
 | 
						|
  // Create a ipv6 token to receive the first icmp6 echo reply packet.
 | 
						|
  //
 | 
						|
  Status = Ping6ReceiveEchoReply (Private);
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    ShellStatus = SHELL_ACCESS_DENIED;
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Create and start timer to send icmp6 echo request packet per second.
 | 
						|
  //
 | 
						|
  Status = gBS->CreateEvent (
 | 
						|
                  EVT_TIMER | EVT_NOTIFY_SIGNAL,
 | 
						|
                  TPL_CALLBACK,
 | 
						|
                  Ping6OnTimerRoutine,
 | 
						|
                  Private,
 | 
						|
                  &Private->Timer
 | 
						|
                  );
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    ShellStatus = SHELL_ACCESS_DENIED;
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Create a ipv6 token to send the first icmp6 echo request packet.
 | 
						|
  //
 | 
						|
  Status = PingSendEchoRequest (Private);
 | 
						|
  //
 | 
						|
  // EFI_NOT_READY for IPsec is enable and IKE is not established.
 | 
						|
  //
 | 
						|
  if (EFI_ERROR (Status) && (Status != EFI_NOT_READY)) {
 | 
						|
    ShellStatus = SHELL_ACCESS_DENIED;
 | 
						|
    if(Status == EFI_NOT_FOUND) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_NOSOURCE_INDO), gShellNetwork1HiiHandle, mDstString);
 | 
						|
    } else if (Status == RETURN_NO_MAPPING) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_NOROUTE_FOUND), gShellNetwork1HiiHandle, mDstString, mSrcString);
 | 
						|
    } else {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_PING_NETWORK_ERROR), gShellNetwork1HiiHandle, L"ping", Status);  
 | 
						|
    }
 | 
						|
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
 | 
						|
  Status = gBS->SetTimer (
 | 
						|
                  Private->Timer,
 | 
						|
                  TimerPeriodic,
 | 
						|
                  ONE_SECOND
 | 
						|
                  );
 | 
						|
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    ShellStatus = SHELL_ACCESS_DENIED;
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Control the ping6 process by two factors:
 | 
						|
  // 1. Hot key
 | 
						|
  // 2. Private->Status
 | 
						|
  //   2.1. success means all icmp6 echo request packets get reply packets.
 | 
						|
  //   2.2. timeout means the last icmp6 echo reply request timeout to get reply.
 | 
						|
  //   2.3. noready means ping6 process is on-the-go.
 | 
						|
  //
 | 
						|
  while (Private->Status == EFI_NOT_READY) {
 | 
						|
    Status = Private->ProtocolPointers.Poll (Private->IpProtocol);
 | 
						|
    if (ShellGetExecutionBreakFlag()) {
 | 
						|
      Private->Status = EFI_ABORTED;
 | 
						|
      goto ON_STAT;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
ON_STAT:
 | 
						|
  //
 | 
						|
  // Display the statistics in all.
 | 
						|
  //
 | 
						|
  gBS->SetTimer (Private->Timer, TimerCancel, 0);
 | 
						|
 | 
						|
  if (Private->TxCount != 0) {
 | 
						|
    ShellPrintHiiEx (
 | 
						|
      -1,
 | 
						|
      -1,
 | 
						|
      NULL,
 | 
						|
      STRING_TOKEN (STR_PING_STAT),
 | 
						|
      gShellNetwork1HiiHandle,
 | 
						|
      Private->TxCount,
 | 
						|
      (Private->RxCount - Private->FailedCount),
 | 
						|
      (100 - ((100 * (Private->RxCount - Private->FailedCount)) / Private->TxCount)),
 | 
						|
      Private->RttSum
 | 
						|
      );
 | 
						|
  }
 | 
						|
 | 
						|
  if (Private->RxCount > Private->FailedCount) {
 | 
						|
    ShellPrintHiiEx (
 | 
						|
      -1,
 | 
						|
      -1,
 | 
						|
      NULL,
 | 
						|
      STRING_TOKEN (STR_PING_RTT),
 | 
						|
      gShellNetwork1HiiHandle,
 | 
						|
      Private->RttMin,
 | 
						|
      Private->RttMax,
 | 
						|
      DivU64x64Remainder (Private->RttSum, (Private->RxCount - Private->FailedCount), NULL)
 | 
						|
      );
 | 
						|
  }
 | 
						|
 | 
						|
ON_EXIT:
 | 
						|
 | 
						|
  if (Private != NULL) {
 | 
						|
 | 
						|
    NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Private->TxList) {
 | 
						|
      TxInfo = BASE_CR (Entry, PING_ICMPX_TX_INFO, Link);
 | 
						|
 | 
						|
      if (Private->IpProtocol != NULL && Private->ProtocolPointers.Cancel != NULL) {
 | 
						|
        Status = Private->ProtocolPointers.Cancel (Private->IpProtocol, TxInfo->Token);
 | 
						|
      }
 | 
						|
 | 
						|
      RemoveEntryList (&TxInfo->Link);
 | 
						|
      PingDestroyTxInfo (TxInfo, Private->IpChoice);
 | 
						|
    }
 | 
						|
 | 
						|
    if (Private->Timer != NULL) {
 | 
						|
      gBS->CloseEvent (Private->Timer);
 | 
						|
    }
 | 
						|
 | 
						|
    if (Private->IpProtocol != NULL && Private->ProtocolPointers.Cancel != NULL) {
 | 
						|
      Status = Private->ProtocolPointers.Cancel (Private->IpProtocol, &Private->RxToken);
 | 
						|
    }
 | 
						|
 | 
						|
    if (Private->RxToken.Event != NULL) {
 | 
						|
      gBS->CloseEvent (Private->RxToken.Event);
 | 
						|
    }
 | 
						|
 | 
						|
    if (Private->IpChildHandle != NULL) {
 | 
						|
      Ping6DestroyIp6Instance (Private);
 | 
						|
    }
 | 
						|
 | 
						|
    FreePool (Private);
 | 
						|
  }
 | 
						|
 | 
						|
  return ShellStatus;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function for 'ping' command.
 | 
						|
 | 
						|
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).
 | 
						|
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
 | 
						|
 | 
						|
  @retval SHELL_SUCCESS  The ping processed successfullly.
 | 
						|
  @retval others         The ping processed unsuccessfully.
 | 
						|
  
 | 
						|
**/
 | 
						|
SHELL_STATUS
 | 
						|
EFIAPI
 | 
						|
ShellCommandRunPing (
 | 
						|
  IN EFI_HANDLE        ImageHandle,
 | 
						|
  IN EFI_SYSTEM_TABLE  *SystemTable
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS          Status;
 | 
						|
  SHELL_STATUS        ShellStatus;
 | 
						|
  EFI_IPv6_ADDRESS    DstAddress;
 | 
						|
  EFI_IPv6_ADDRESS    SrcAddress;
 | 
						|
  UINT64              BufferSize;
 | 
						|
  UINTN               SendNumber;
 | 
						|
  LIST_ENTRY          *ParamPackage;
 | 
						|
  CONST CHAR16        *ValueStr;
 | 
						|
  UINTN               NonOptionCount;
 | 
						|
  UINT32              IpChoice;
 | 
						|
  CHAR16              *ProblemParam;
 | 
						|
 | 
						|
  //
 | 
						|
  // we use IPv6 buffers to hold items... 
 | 
						|
  // make sure this is enough space!
 | 
						|
  //
 | 
						|
  ASSERT(sizeof(EFI_IPv4_ADDRESS        ) <= sizeof(EFI_IPv6_ADDRESS         ));
 | 
						|
  ASSERT(sizeof(EFI_IP4_COMPLETION_TOKEN) <= sizeof(EFI_IP6_COMPLETION_TOKEN ));
 | 
						|
 | 
						|
  IpChoice = PING_IP_CHOICE_IP4;
 | 
						|
 | 
						|
  ShellStatus = SHELL_SUCCESS;
 | 
						|
  ProblemParam = NULL;
 | 
						|
 | 
						|
  Status = ShellCommandLineParseEx (PingParamList, &ParamPackage, &ProblemParam, TRUE, FALSE);
 | 
						|
  if (EFI_ERROR(Status)) {
 | 
						|
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellNetwork1HiiHandle, L"ping", ProblemParam);
 | 
						|
    ShellStatus = SHELL_INVALID_PARAMETER;
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
 | 
						|
  if (ShellCommandLineGetFlag (ParamPackage, L"-_ip6")) {
 | 
						|
    IpChoice = PING_IP_CHOICE_IP6;
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // Parse the paramter of count number.
 | 
						|
  //
 | 
						|
  ValueStr = ShellCommandLineGetValue (ParamPackage, L"-n");
 | 
						|
  if (ValueStr != NULL) {
 | 
						|
    SendNumber = ShellStrToUintn (ValueStr);
 | 
						|
 | 
						|
    //
 | 
						|
    // ShellStrToUintn will return 0 when input is 0 or an invalid input string.
 | 
						|
    //
 | 
						|
    if ((SendNumber == 0) || (SendNumber > MAX_SEND_NUMBER)) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellNetwork1HiiHandle, L"ping", ValueStr);  
 | 
						|
      ShellStatus = SHELL_INVALID_PARAMETER;
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    SendNumber = DEFAULT_SEND_COUNT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Parse the paramter of buffer size.
 | 
						|
  //
 | 
						|
  ValueStr = ShellCommandLineGetValue (ParamPackage, L"-l");
 | 
						|
  if (ValueStr != NULL) {
 | 
						|
    BufferSize = ShellStrToUintn (ValueStr);
 | 
						|
 | 
						|
    //
 | 
						|
    // ShellStrToUintn will return 0 when input is 0 or an invalid input string.
 | 
						|
    //
 | 
						|
    if ((BufferSize < 16) || (BufferSize > MAX_BUFFER_SIZE)) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellNetwork1HiiHandle, L"ping", ValueStr);  
 | 
						|
      ShellStatus = SHELL_INVALID_PARAMETER;
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    BufferSize = DEFAULT_BUFFER_SIZE;
 | 
						|
  }
 | 
						|
 | 
						|
  ZeroMem (&SrcAddress, sizeof (EFI_IPv6_ADDRESS));
 | 
						|
  ZeroMem (&DstAddress, sizeof (EFI_IPv6_ADDRESS));
 | 
						|
 | 
						|
  //
 | 
						|
  // Parse the paramter of source ip address.
 | 
						|
  //
 | 
						|
  ValueStr = ShellCommandLineGetValue (ParamPackage, L"-s");
 | 
						|
  if (ValueStr == NULL) {
 | 
						|
    ValueStr = ShellCommandLineGetValue (ParamPackage, L"-_s");
 | 
						|
  }
 | 
						|
  
 | 
						|
  if (ValueStr != NULL) {
 | 
						|
    mSrcString = ValueStr;
 | 
						|
    if (IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
      Status = NetLibStrToIp6 (ValueStr, &SrcAddress);
 | 
						|
    } else {
 | 
						|
      Status = NetLibStrToIp4 (ValueStr, (EFI_IPv4_ADDRESS*)&SrcAddress);
 | 
						|
    }
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellNetwork1HiiHandle, L"ping", ValueStr);  
 | 
						|
      ShellStatus = SHELL_INVALID_PARAMETER;
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Parse the paramter of destination ip address.
 | 
						|
  //
 | 
						|
  NonOptionCount = ShellCommandLineGetCount(ParamPackage);
 | 
						|
  if (NonOptionCount < 2) {
 | 
						|
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellNetwork1HiiHandle, L"ping");  
 | 
						|
    ShellStatus = SHELL_INVALID_PARAMETER;
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  if (NonOptionCount > 2) {
 | 
						|
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellNetwork1HiiHandle, L"ping");  
 | 
						|
    ShellStatus = SHELL_INVALID_PARAMETER;
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  ValueStr = ShellCommandLineGetRawValue (ParamPackage, 1);
 | 
						|
  if (ValueStr != NULL) {
 | 
						|
    mDstString = ValueStr;
 | 
						|
    if (IpChoice == PING_IP_CHOICE_IP6) {
 | 
						|
      Status = NetLibStrToIp6 (ValueStr, &DstAddress);
 | 
						|
    } else {
 | 
						|
      Status = NetLibStrToIp4 (ValueStr, (EFI_IPv4_ADDRESS*)&DstAddress);
 | 
						|
    }
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellNetwork1HiiHandle, L"ping", ValueStr);  
 | 
						|
      ShellStatus = SHELL_INVALID_PARAMETER;
 | 
						|
      goto ON_EXIT;
 | 
						|
    }
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Get frequency to calculate the time from ticks.
 | 
						|
  //
 | 
						|
  Status = GetFrequency ();
 | 
						|
 | 
						|
  if (EFI_ERROR(Status)) {
 | 
						|
    goto ON_EXIT;
 | 
						|
  }
 | 
						|
  //
 | 
						|
  // Enter into ping process.
 | 
						|
  //
 | 
						|
  ShellStatus = ShellPing (
 | 
						|
             (UINT32)SendNumber,
 | 
						|
             (UINT32)BufferSize,
 | 
						|
             &SrcAddress,
 | 
						|
             &DstAddress,
 | 
						|
             IpChoice
 | 
						|
             );
 | 
						|
 | 
						|
ON_EXIT:
 | 
						|
  ShellCommandLineFreeVarList (ParamPackage);
 | 
						|
  return ShellStatus;
 | 
						|
}
 |