[TCPIP] Implement IOCTL_ICMP_ECHO_REQUEST in tcpip.sys

Also clean up ICMP handling code in sdk/lib/drivers/ip
CORE-10760

drivers/network/tcpip/include/icmp.h

@@ -7,12 +7,15 @@
 
 #pragma once
 
+#include <pshpack1.h>
 typedef struct ICMP_HEADER {
-    UCHAR Type;      /* ICMP message type */
-    UCHAR Code;      /* ICMP message code */
-    USHORT Checksum; /* ICMP message checksum */
-    ULONG Unused;    /* ICMP unused */
+    UINT8 Type;        /* ICMP message type */
+    UINT8 Code;        /* ICMP message code */
+    UINT16 Checksum;   /* ICMP message checksum */
+    UINT16 Identifier; /* ICMP Echo message identifier */
+    UINT16 Seq;        /* ICMP Echo message sequence num */
 } ICMP_HEADER, *PICMP_HEADER;
+#include <poppack.h>
 
 /* ICMP message types */
 #define ICMP_TYPE_ECHO_REPLY        0  /* Echo reply */
@@ -48,6 +51,12 @@ typedef struct ICMP_HEADER {
 /* ICMP codes for ICMP_TYPE_PARAMETER */
 #define ICMP_CODE_TP_POINTER 1 /* Pointer indicates the error */
 
+NTSTATUS
+DispEchoRequest(
+    PDEVICE_OBJECT DeviceObject,
+    PIRP Irp,
+    PIO_STACK_LOCATION IrpSp);
+
 NTSTATUS ICMPSendDatagram(
     PADDRESS_FILE AddrFile,
     PTDI_CONNECTION_INFORMATION ConnInfo,
@@ -63,11 +72,6 @@ VOID ICMPReceive(
     PIP_INTERFACE Interface,
     PIP_PACKET IPPacket);
 
-VOID ICMPTransmit(
-    PIP_PACKET IPPacket,
-    PIP_TRANSMIT_COMPLETE Complete,
-    PVOID Context);
-
 VOID ICMPReply(
     PIP_INTERFACE Interface,
     PIP_PACKET IPPacket,

drivers/network/tcpip/include/precomp.h

@@ -15,7 +15,9 @@
 #include <tilists.h>
 #include <lock.h>
 #include <interface.h>
+#include <fileobjs.h>
 #include <chew/chew.h>
 #include <pseh/pseh2.h>
+#include <psdk/ipexport.h>
 
 #endif /* _TCPIP_PCH_ */

drivers/network/tcpip/include/rawip.h

@@ -36,4 +36,14 @@ NTSTATUS AddGenericHeaderIPv4(
     UINT ExtraLength,
     PVOID *NextHeader );
 
+NTSTATUS BuildRawIpPacket(
+    PADDRESS_FILE AddrFile,
+    PIP_PACKET Packet,
+    PIP_ADDRESS RemoteAddress,
+    USHORT RemotePort,
+    PIP_ADDRESS LocalAddress,
+    USHORT LocalPort,
+    PCHAR DataBuffer,
+    UINT DataLen);
+
 /* EOF */