Hanoch's review comments #1 : fixed performancei issue

with the stateless node

1 files changed, 104 insertions, 0 deletions

diff --git a/src/stateless/dp/trex_stream_node.h b/src/stateless/dp/trex_stream_node.h
new file mode 100644
index 00000000..49481a5c
--- /dev/null
+++ b/src/stateless/dp/trex_stream_node.h
@@ -0,0 +1,104 @@
+/*
+ Itay Marom
+ 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.
+*/
+#ifndef __TREX_STREAM_NODE_H__
+#define __TREX_STREAM_NODE_H__
+
+#include <bp_sim.h>
+
+class TrexStatelessDpCore;
+
+/* this is a event for stateless */
+struct CGenNodeStateless : public CGenNodeBase  {
+friend class TrexStatelessDpCore;
+
+private:
+    void *              m_cache_mbuf;
+
+    double              m_next_time_offset;
+    uint8_t             m_is_stream_active;
+
+    /* pad to match the size of CGenNode */
+    uint8_t             m_pad_end[39];
+
+
+public:
+
+    inline bool is_active() {
+        return m_is_stream_active;
+    }
+
+        
+    /**
+     * main function to handle an event of a packet tx
+     * 
+     */
+    inline void handle(CFlowGenListPerThread *thread) {
+
+        thread->m_node_gen.m_v_if->send_node( (CGenNode *)this);
+
+        /* in case of continues */
+        m_time += m_next_time_offset;
+
+        /* insert a new event */
+        thread->m_node_gen.m_p_queue.push( (CGenNode *)this);
+    }
+
+    void set_socket_id(socket_id_t socket){
+        m_socket_id=socket;
+    }
+
+    socket_id_t get_socket_id(){
+        return ( m_socket_id );
+    }
+
+    inline void set_mbuf_cache_dir(pkt_dir_t  dir){
+        if (dir) {
+            m_flags |=NODE_FLAGS_DIR;
+        }else{
+            m_flags &=~NODE_FLAGS_DIR;
+        }
+    }
+
+    inline pkt_dir_t get_mbuf_cache_dir(){
+        return ((pkt_dir_t)( m_flags &1));
+    }
+
+
+
+    inline void set_cache_mbuf(rte_mbuf_t * m){
+        m_cache_mbuf=(void *)m;
+        m_flags |= NODE_FLAGS_MBUF_CACHE;
+    }
+
+    inline rte_mbuf_t * get_cache_mbuf(){
+        if ( m_flags &NODE_FLAGS_MBUF_CACHE ) {
+            return ((rte_mbuf_t *)m_cache_mbuf);
+        }else{
+            return ((rte_mbuf_t *)0);
+        }
+    }
+
+
+} __rte_cache_aligned; ;
+
+static_assert(sizeof(CGenNodeStateless) == sizeof(CGenNode), "sizeof(CGenNodeStateless) != sizeof(CGenNode)");
+
+#endif /* __TREX_STREAM_NODE_H__ */