1 files changed, 89 insertions, 0 deletions
diff --git a/src/pal/linux_dpdk/CRing.h b/src/pal/linux_dpdk/CRing.h
new file mode 100755
index 00000000..8325c1b6
--- /dev/null
+++ b/src/pal/linux_dpdk/CRing.h
@@ -0,0 +1,89 @@
+#ifndef C_RING_H
+#define C_RING_H
+/*
+ Hanoh Haim
+ Cisco Systems, Inc.
+*/
+
+/*
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+
+#include <assert.h>
+#include <stdint.h>
+#include <string>
+#include <rte_ring.h>
+
+
+
+class CRingSp {
+public:
+    CRingSp(){
+        m_ring=0;
+    }
+
+    bool Create(std::string name, 
+                uint16_t cnt,
+                int socket_id){
+        m_ring=rte_ring_create((char *)name.c_str(), 
+                               cnt,
+				 socket_id, 
+                 RING_F_SP_ENQ | RING_F_SC_DEQ);
+        assert(m_ring);
+        return(true);
+    }
+
+    void Delete(void){
+        // can't free the memory of DPDK, it is from reserve memory 
+    }
+
+    int Enqueue(void *obj){
+        return (rte_ring_sp_enqueue(m_ring,obj));
+    }
+
+    int Dequeue(void * & obj){
+        return(rte_ring_mc_dequeue(m_ring,(void **)&obj));
+    }
+
+    bool isFull(void){
+        return ( rte_ring_full(m_ring)?true:false );
+    }
+
+    bool isEmpty(void){
+        return ( rte_ring_empty(m_ring)?true:false );
+    }
+
+private:
+    struct rte_ring * m_ring;
+};
+
+template <class T>
+class CTRingSp : public CRingSp {
+public:
+    int Enqueue(T *obj){
+        return ( CRingSp::Enqueue((void*)obj) );
+    }
+
+    int Dequeue(T * & obj){
+        return (CRingSp::Dequeue(*((void **)&obj)));
+    }
+};
+
+
+
+
+#endif
+