[cgutman] 36190: - Implement NdisDprAllocatePacket

Author: cgutman
Date: Sat Sep 13 11:33:23 2008
New Revision: 36190

URL: http://svn.reactos.org/svn/reactos?rev=36190&view=rev
Log:
 - Implement NdisDprAllocatePacket

Modified:
    branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c

Modified: branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c
URL:
http://svn.reactos.org/svn/reactos/branches/aicom-network-fixes/drivers/net…
==============================================================================
--- branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c [iso-8859-1]
(original)
+++ branches/aicom-network-fixes/drivers/network/ndis/ndis/buffer.c [iso-8859-1] Sat Sep
13 11:33:23 2008
@@ -694,7 +694,7 @@
 
 
 /*
- * @unimplemented
+ * @implemented
  */
 VOID
 EXPORT
@@ -710,7 +710,37 @@
  *     PoolHandle = Handle returned by NdisAllocatePacketPool
  */
 {
-    *Status = NDIS_STATUS_FAILURE;
+    PNDIS_PACKET Temp;
+    PNDISI_PACKET_POOL Pool = (PNDISI_PACKET_POOL)PoolHandle;
+
+    NDIS_DbgPrint(MAX_TRACE, ("Status (0x%X)  Packet (0x%X)  PoolHandle
(0x%X).\n",
+        Status, Packet, PoolHandle));
+
+    *Packet = NULL;
+
+    if (Pool == NULL)
+    {
+        *Status = NDIS_STATUS_FAILURE;
+        return;
+    }
+
+    KeAcquireSpinLockAtDpcLevel(&Pool->SpinLock.SpinLock);
+
+    if (Pool->FreeList) {
+        Temp           = Pool->FreeList;
+        Pool->FreeList = (PNDIS_PACKET)Temp->Private.Head;
+
+        KeReleaseSpinLockFromDpcLevel(&Pool->SpinLock.SpinLock);
+
+        RtlZeroMemory(&Temp->Private, sizeof(NDIS_PACKET_PRIVATE));
+        Temp->Private.Pool = Pool;
+
+        *Packet = Temp;
+        *Status = NDIS_STATUS_SUCCESS;
+    } else {
+        *Status = NDIS_STATUS_RESOURCES;
+        KeReleaseSpinLockFromDpcLevel(&Pool->SpinLock.SpinLock);
+    }
 }