[ovs-dev] [PATCH 05/11] datapath-windows: Added specific pool tag for flow code

[Sorin Vinturis]

All memory allocations within flow code have 'LSVO' pool tag.

Signed-off-by: Sorin Vinturis <svinturis at cloudbasesolutions.com>
Reported-by: Alin Gabriel Serdean <aserdean at cloudbasesolutions.com>
Reported-at: https://github.com/openvswitch/ovs-issues/issues/56
---
 datapath-windows/ovsext/Flow.c | 11 ++++++-----
 datapath-windows/ovsext/Util.h |  1 +
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/datapath-windows/ovsext/Flow.c b/datapath-windows/ovsext/Flow.c
index d3de8cc..97220b4 100644
--- a/datapath-windows/ovsext/Flow.c
+++ b/datapath-windows/ovsext/Flow.c
@@ -1512,7 +1512,7 @@ OvsDeleteFlowTable(OVS_DATAPATH *datapath)
     }
 
     DeleteAllFlows(datapath);
-    OvsFreeMemory(datapath->flowTable);
+    OvsFreeMemoryWithTag(datapath->flowTable, OVS_FLOW_POOL_TAG);
     datapath->flowTable = NULL;
     NdisFreeRWLock(datapath->lock);
 
@@ -1534,8 +1534,8 @@ OvsAllocateFlowTable(OVS_DATAPATH *datapath,
     PLIST_ENTRY bucket;
     int i;
 
-    datapath->flowTable = OvsAllocateMemory(OVS_FLOW_TABLE_SIZE *
-                                            sizeof (LIST_ENTRY));
+    datapath->flowTable = OvsAllocateMemoryWithTag(
+        OVS_FLOW_TABLE_SIZE * sizeof(LIST_ENTRY), OVS_FLOW_POOL_TAG);
     if (!datapath->flowTable) {
         return NDIS_STATUS_RESOURCES;
     }
@@ -1976,7 +1976,7 @@ VOID
 FreeFlow(OvsFlow *flow)
 {
     ASSERT(flow);
-    OvsFreeMemory(flow);
+    OvsFreeMemoryWithTag(flow, OVS_FLOW_POOL_TAG);
 }
 
 NTSTATUS
@@ -2259,7 +2259,8 @@ OvsPrepareFlow(OvsFlow **flow,
 
     do {
         *flow = localFlow =
-            OvsAllocateMemory(sizeof(OvsFlow) + put->actionsLen);
+            OvsAllocateMemoryWithTag(sizeof(OvsFlow) + put->actionsLen,
+                                     OVS_FLOW_POOL_TAG);
         if (localFlow == NULL) {
             status = STATUS_NO_MEMORY;
             break;
diff --git a/datapath-windows/ovsext/Util.h b/datapath-windows/ovsext/Util.h
index 7811288..907cd3c 100644
--- a/datapath-windows/ovsext/Util.h
+++ b/datapath-windows/ovsext/Util.h
@@ -26,6 +26,7 @@
 #define OVS_MDL_POOL_TAG                'BSVO'
 #define OVS_DATAPATH_POOL_TAG           'DSVO'
 #define OVS_EVENT_POOL_TAG              'ESVO'
+#define OVS_FLOW_POOL_TAG               'LSVO'
 
 VOID *OvsAllocateMemory(size_t size);
 VOID *OvsAllocateMemoryWithTag(size_t size, ULONG tag);
-- 
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