nat: configurable handoff frame queue size

[vpp.git] / src / plugins / nat / nat.h

diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index 86f6342..d7f60dd 100644 (file)
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -36,8 +36,8 @@
 #include <nat/lib/lib.h>
 #include <nat/lib/inlines.h>
 
-/* number of worker handoff frame queue elements */
-#define NAT_FQ_NELTS 64
+/* default number of worker handoff frame queue elements */
+#define NAT_FQ_NELTS_DEFAULT 64
 
 /* NAT buffer flags */
 #define SNAT_FLAG_HAIRPINNING (1 << 0)
@@ -782,6 +782,9 @@ typedef struct snat_main_s
   /* pat - dynamic mapping enabled or conneciton tracking */
   u8 pat;
 
+  /* number of worker handoff frame queue elements */
+  u32 frame_queue_nelts;
+
   /* nat44 plugin enabled */
   u8 enabled;
 
@@ -1298,6 +1301,15 @@ clib_error_t *nat44_api_hookup (vlib_main_t * vm);
  */
 int snat_set_workers (uword * bitmap);
 
+/**
+ * @brief Set NAT plugin number of frame queue elements
+ *
+ * @param frame_queue_nelts number of worker handoff frame queue elements
+ *
+ * @return 0 on success, non-zero value otherwise
+ */
+int snat_set_frame_queue_nelts (u32 frame_queue_nelts);
+
 /**
  * @brief Enable/disable NAT44 feature on the interface
  *