Implement OpenFlow 1.4+ OFPTC_EVICTION.

[cascardo/ovs.git] / ofproto / ofproto-provider.h

diff --git a/ofproto/ofproto-provider.h b/ofproto/ofproto-provider.h
index f7e8ead..95c1c64 100644 (file)
--- a/ofproto/ofproto-provider.h
+++ b/ofproto/ofproto-provider.h
@@ -246,9 +246,16 @@ struct oftable {
     struct hmap eviction_groups_by_id;
     struct heap eviction_groups_by_size;
 
-    /* Table configuration. */
+    /* Flow table miss handling configuration. */
     ATOMIC(enum ofputil_table_miss) miss_config;
 
+    /* Eviction is enabled if either the client (vswitchd) enables it or an
+     * OpenFlow controller enables it; thus, a nonzero value indicates that
+     * eviction is enabled.  */
+#define EVICTION_CLIENT  (1 << 0)  /* Set to 1 if client enables eviction. */
+#define EVICTION_OPENFLOW (1 << 1) /* Set to 1 if OpenFlow enables eviction. */
+    unsigned int eviction;
+
     atomic_ulong n_matched;
     atomic_ulong n_missed;
 };