X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=ofproto%2Fnetflow.h;h=f6fad62b092f92eb0d8e6ce7c8e6bd5449b9b887;hb=0d8568c13e6cfd34e0da977279f93beb26e33968;hp=13be90b49a36d7a7db6ebefe33b75a2dabd3f6af;hpb=f1acd62b54376a425a975f9af501c4c8c5689b39;p=sliver-openvswitch.git

diff --git a/ofproto/netflow.h b/ofproto/netflow.h
index 13be90b49..f6fad62b0 100644
--- a/ofproto/netflow.h
+++ b/ofproto/netflow.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,17 +17,55 @@
 #ifndef NETFLOW_H
 #define NETFLOW_H 1
 
+#include <stdint.h>
 #include "flow.h"
+#include "svec.h"
+
+/* Default active timeout interval, in seconds.
+ *
+ * (The active timeout interval is the interval at which NetFlow records are
+ * sent for flows that do not expire, so that such flows are still
+ * accounted.) */
+#define NF_ACTIVE_TIMEOUT_DEFAULT 600
 
 struct ofexpired;
-struct svec;
+
+struct netflow_options {
+    struct svec collectors;
+    uint8_t engine_type;
+    uint8_t engine_id;
+    int active_timeout;
+    bool add_id_to_iface;
+};
+
+enum netflow_output_ports {
+    NF_OUT_FLOOD = UINT16_MAX,
+    NF_OUT_MULTI = UINT16_MAX - 1,
+    NF_OUT_DROP = UINT16_MAX - 2
+};
+
+struct netflow_flow {
+    long long int last_expired;   /* Time this flow last timed out. */
+    long long int created;        /* Time flow was created since time out. */
+
+    uint64_t packet_count_off;    /* Packet count at last time out. */
+    uint64_t byte_count_off;      /* Byte count at last time out. */
+
+    uint16_t output_iface;        /* Output interface index. */
+    uint8_t tcp_flags;            /* Bitwise-OR of all TCP flags seen. */
+};
 
 struct netflow *netflow_create(void);
 void netflow_destroy(struct netflow *);
-int netflow_set_collectors(struct netflow *, const struct svec *collectors);
-void netflow_set_engine(struct netflow *nf, uint8_t engine_type, 
-        uint8_t engine_id, bool add_id_to_iface);
-void netflow_expire(struct netflow *, const struct ofexpired *);
+int netflow_set_options(struct netflow *, const struct netflow_options *);
+void netflow_expire(struct netflow *, struct netflow_flow *,
+                    struct ofexpired *);
 void netflow_run(struct netflow *);
 
+void netflow_flow_clear(struct netflow_flow *);
+void netflow_flow_update_time(struct netflow *, struct netflow_flow *,
+                              long long int used);
+void netflow_flow_update_flags(struct netflow_flow *, uint8_t tcp_flags);
+bool netflow_active_timeout_expired(struct netflow *, struct netflow_flow *);
+
 #endif /* netflow.h */