1. Add DPC protocol and DpcLib library in MdeModulePkg.

2. Add DpcDxe module and DxeDpcLib module in MdeModulePkg
3. Port network stack module to use DPC.
4. Use MIN, and MAX defined in MdePkg to replace NET_MIN and NET_MAX.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4307 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 96 insertions, 13 deletions

diff --git a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
index 608bdd2..279ada7 100644
--- a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
+++ b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c
@@ -74,6 +74,13 @@ STATIC ICMP_ERROR_INFO  mIcmpErrMap[10] = {
 STATIC

 VOID

 EFIAPI

+IpIoTransmitHandlerDpc (

+  IN VOID      *Context

+  );

+

+STATIC

+VOID

+EFIAPI

 IpIoTransmitHandler (

   IN EFI_EVENT Event,

   IN VOID      *Context

@@ -430,7 +437,7 @@ IpIoCreateSndEntry (
     //

     // Set the fields of OverrideData

     //

-    NetCopyMem (OverrideData, Override, sizeof (*OverrideData));

+    CopyMem (OverrideData, Override, sizeof (*OverrideData));

   }

 

   //

@@ -523,7 +530,6 @@ IpIoDestroySndEntry (
 /**

   Notify function for IP transmit token.

 

-  @param  Event                 The event signaled.

   @param  Context               The context passed in by the event notifier.

 

   @return None.

@@ -532,8 +538,7 @@ IpIoDestroySndEntry (
 STATIC

 VOID

 EFIAPI

-IpIoTransmitHandler (

-  IN EFI_EVENT Event,

+IpIoTransmitHandlerDpc (

   IN VOID      *Context

   )

 {

@@ -556,11 +561,34 @@ IpIoTransmitHandler (
   IpIoDestroySndEntry (SndEntry);

 }

 

+/**

+  Notify function for IP transmit token.

+

+  @param  Event                 The event signaled.

+  @param  Context               The context passed in by the event notifier.

+

+  @return None.

+

+**/

+

+STATIC

+VOID

+EFIAPI

+IpIoTransmitHandler (

+  IN EFI_EVENT Event,

+  IN VOID      *Context

+  )

+{

+  //

+  // Request IpIoTransmitHandlerDpc as a DPC at TPL_CALLBACK

+  //

+  NetLibQueueDpc (TPL_CALLBACK, IpIoTransmitHandlerDpc, Context);

+}

+

 

 /**

   The dummy handler for the dummy IP receive token.

 

-  @param  Evt                   The event signaled.

   @param  Context               The context passed in by the event notifier.

 

   @return None.

@@ -569,20 +597,22 @@ IpIoTransmitHandler (
 STATIC

 VOID

 EFIAPI

-IpIoDummyHandler (

-  IN EFI_EVENT Event,

+IpIoDummyHandlerDpc (

   IN VOID      *Context

   )

 {

   IP_IO_IP_INFO             *IpInfo;

   EFI_IP4_COMPLETION_TOKEN  *DummyToken;

 

-  ASSERT (Event && Context);

-

   IpInfo      = (IP_IO_IP_INFO *) Context;

   DummyToken  = &(IpInfo->DummyRcvToken);

 

-  if (EFI_SUCCESS == DummyToken->Status) {

+  if (EFI_ABORTED == DummyToken->Status) {

+    //

+    // The reception is actively aborted by the consumer, directly return.

+    //

+    return;

+  } else if (EFI_SUCCESS == DummyToken->Status) {

     ASSERT (DummyToken->Packet.RxData);

 

     gBS->SignalEvent (DummyToken->Packet.RxData->RecycleSignal);

@@ -593,8 +623,7 @@ IpIoDummyHandler (
 

 

 /**

-  Notify function for the IP receive token, used to process

-  the received IP packets.

+  Request IpIoDummyHandlerDpc as a DPC at TPL_CALLBACK.

 

   @param  Event                 The event signaled.

   @param  Context               The context passed in by the event notifier.

@@ -605,11 +634,34 @@ IpIoDummyHandler (
 STATIC

 VOID

 EFIAPI

-IpIoListenHandler (

+IpIoDummyHandler (

   IN EFI_EVENT Event,

   IN VOID      *Context

   )

 {

+  //

+  // Request IpIoDummyHandlerDpc as a DPC at TPL_CALLBACK

+  //

+  NetLibQueueDpc (TPL_CALLBACK, IpIoDummyHandlerDpc, Context);

+}

+

+

+/**

+  Notify function for the IP receive token, used to process

+  the received IP packets.

+

+  @param  Context               The context passed in by the event notifier.

+

+  @return None.

+

+**/

+STATIC

+VOID

+EFIAPI

+IpIoListenHandlerDpc (

+  IN VOID      *Context

+  )

+{

   IP_IO                 *IpIo;

   EFI_STATUS            Status;

   EFI_IP4_RECEIVE_DATA  *RxData;

@@ -623,6 +675,13 @@ IpIoListenHandler (
   Status  = IpIo->RcvToken.Status;

   RxData  = IpIo->RcvToken.Packet.RxData;

 

+  if (EFI_ABORTED == Status) {

+    //

+    // The reception is actively aborted by the consumer, directly return.

+    //

+    return;

+  }

+

   if (((EFI_SUCCESS != Status) && (EFI_ICMP_ERROR != Status)) || (NULL == RxData)) {

     //

     // Only process the normal packets and the icmp error packets, if RxData is NULL

@@ -690,6 +749,30 @@ Resume:
 

 

 /**

+  Request IpIoListenHandlerDpc as a DPC at TPL_CALLBACK

+

+  @param  Event                 The event signaled.

+  @param  Context               The context passed in by the event notifier.

+

+  @return None.

+

+**/

+STATIC

+VOID

+EFIAPI

+IpIoListenHandler (

+  IN EFI_EVENT Event,

+  IN VOID      *Context

+  )

+{

+  //

+  // Request IpIoListenHandlerDpc as a DPC at TPL_CALLBACK

+  //

+  NetLibQueueDpc (TPL_CALLBACK, IpIoListenHandlerDpc, Context);

+}

+

+

+/**

   Create a new IP_IO instance.

 

   @param  Image                 The image handle of an IP_IO consumer protocol.