upcall: Configure datapath max-idle through ovs-vsctl.

[sliver-openvswitch.git] / ofproto / ofproto-provider.h

diff --git a/ofproto/ofproto-provider.h b/ofproto/ofproto-provider.h
index 77ca498..d116451 100644 (file)
--- a/ofproto/ofproto-provider.h
+++ b/ofproto/ofproto-provider.h
@@ -398,9 +398,6 @@ struct rule {
 
     /* Must hold 'mutex' for both read/write, 'ofproto_mutex' not needed. */
     long long int modified OVS_GUARDED; /* Time of last modification. */
-
-    /* XXX: Currently updated by provider without protection. */
-    long long int used OVS_GUARDED; /* Last use; time created if never used. */
 };
 
 void ofproto_rule_ref(struct rule *);
@@ -467,14 +464,15 @@ void rule_collection_destroy(struct rule_collection *);
  * ofproto-dpif implementation. */
 extern unsigned ofproto_flow_limit;
 
+/* Maximum idle time (in ms) for flows to be cached in the datapath.
+ * Revalidators may expire flows more quickly than the configured value based
+ * on system load and other factors. This variable is subject to change. */
+extern unsigned ofproto_max_idle;
+
 /* Number of upcall handler and revalidator threads. Only affects the
  * ofproto-dpif implementation. */
 extern size_t n_handlers, n_revalidators;
 
-/* Determines which model to use for handling misses in the ofproto-dpif
- * implementation */
-extern enum ofproto_flow_miss_model flow_miss_model;
-
 static inline struct rule *
 rule_from_cls_rule(const struct cls_rule *cls_rule)
 {
@@ -944,8 +942,9 @@ struct ofproto_class {
     void (*port_reconfigured)(struct ofport *ofport,
                               enum ofputil_port_config old_config);
 
-    /* Looks up a port named 'devname' in 'ofproto'.  On success, initializes
-     * '*port' appropriately.
+    /* Looks up a port named 'devname' in 'ofproto'.  On success, returns 0 and
+     * initializes '*port' appropriately. Otherwise, returns a positive errno
+     * value.
      *
      * The caller owns the data in 'port' and must free it with
      * ofproto_port_destroy() when it is no longer needed. */
@@ -1287,7 +1286,7 @@ struct ofproto_class {
      * in '*byte_count'.  UINT64_MAX indicates that the packet count or byte
      * count is unknown. */
     void (*rule_get_stats)(struct rule *rule, uint64_t *packet_count,
-                           uint64_t *byte_count)
+                           uint64_t *byte_count, long long int *used)
         /* OVS_EXCLUDED(ofproto_mutex) */;
 
     /* Applies the actions in 'rule' to 'packet'.  (This implements sending