ofproto: Update rule's priority in eviction group.

[sliver-openvswitch.git] / ofproto / ofproto.c

diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c
index 19e7091..45621e9 100644 (file)
--- a/ofproto/ofproto.c
+++ b/ofproto/ofproto.c
@@ -307,6 +307,7 @@ static size_t allocated_ofproto_classes;
 struct ovs_mutex ofproto_mutex = OVS_MUTEX_INITIALIZER;
 
 unsigned ofproto_flow_limit = OFPROTO_FLOW_LIMIT_DEFAULT;
+unsigned ofproto_max_idle = OFPROTO_MAX_IDLE_DEFAULT;
 
 size_t n_handlers, n_revalidators;
 
@@ -697,6 +698,14 @@ ofproto_set_flow_limit(unsigned limit)
     ofproto_flow_limit = limit;
 }
 
+/* Sets the maximum idle time for flows in the datapath before they are
+ * expired. */
+void
+ofproto_set_max_idle(unsigned max_idle)
+{
+    ofproto_max_idle = max_idle;
+}
+
 /* If forward_bpdu is true, the NORMAL action will forward frames with
  * reserved (e.g. STP) destination Ethernet addresses. if forward_bpdu is false,
  * the NORMAL action will drop these frames. */
@@ -1442,19 +1451,23 @@ ofproto_run(struct ofproto *p)
             }
 
             ovs_mutex_lock(&ofproto_mutex);
-            HEAP_FOR_EACH (evg, size_node, &table->eviction_groups_by_size) {
-                heap_rebuild(&evg->rules);
-            }
-
             fat_rwlock_rdlock(&table->cls.rwlock);
             cls_cursor_init(&cursor, &table->cls, NULL);
             CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
-                if (!rule->eviction_group
-                    && (rule->idle_timeout || rule->hard_timeout)) {
-                    eviction_group_add_rule(rule);
+                if (rule->idle_timeout || rule->hard_timeout) {
+                    if (!rule->eviction_group) {
+                        eviction_group_add_rule(rule);
+                    } else {
+                        heap_raw_change(&rule->evg_node,
+                                        rule_eviction_priority(p, rule));
+                    }
                 }
             }
             fat_rwlock_unlock(&table->cls.rwlock);
+
+            HEAP_FOR_EACH (evg, size_node, &table->eviction_groups_by_size) {
+                heap_rebuild(&evg->rules);
+            }
             ovs_mutex_unlock(&ofproto_mutex);
         }
     }