ofproto-dpif: Batch flow uninstallations due to expiration.

Signed-off-by: Ben Pfaff <blp@nicira.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/lib/dpif.h b/lib/dpif.h
index 1a6ca053..768934b1 100644
--- a/lib/dpif.h
+++ b/lib/dpif.h
@@ -177,7 +177,8 @@ int dpif_execute(struct dpif *,
 
 enum dpif_op_type {
     DPIF_OP_FLOW_PUT = 1,
-    DPIF_OP_EXECUTE
+    DPIF_OP_FLOW_DEL,
+    DPIF_OP_EXECUTE,
 };
 
 struct dpif_flow_put {
@@ -192,6 +193,15 @@ struct dpif_flow_put {
     struct dpif_flow_stats *stats;  /* Optional flow statistics. */
 };
 
+struct dpif_flow_del {
+    /* Input. */
+    const struct nlattr *key;       /* Flow to delete. */
+    size_t key_len;                 /* Length of 'key' in bytes. */
+
+    /* Output. */
+    struct dpif_flow_stats *stats;  /* Optional flow statistics. */
+};
+
 struct dpif_execute {
     const struct nlattr *key;       /* Partial flow key (only for metadata). */
     size_t key_len;                 /* Length of 'key' in bytes. */
@@ -205,6 +215,7 @@ struct dpif_op {
     int error;
     union {
         struct dpif_flow_put flow_put;
+        struct dpif_flow_del flow_del;
         struct dpif_execute execute;
     } u;
 };