fib: allow vnet rewrite max size to be smaller the pre_data

[vpp.git] / src / vnet / buffer.h

diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h
index 2b3152f..09abedd 100644 (file)
--- a/src/vnet/buffer.h
+++ b/src/vnet/buffer.h
@@ -417,7 +417,9 @@ typedef struct
   };
 } vnet_buffer_opaque_t;
 
-#define VNET_REWRITE_TOTAL_BYTES (VLIB_BUFFER_PRE_DATA_SIZE)
+#define VNET_REWRITE_TOTAL_BYTES 128
+STATIC_ASSERT (VNET_REWRITE_TOTAL_BYTES <= VLIB_BUFFER_PRE_DATA_SIZE,
+              "VNET_REWRITE_TOTAL_BYTES too big");
 
 STATIC_ASSERT (STRUCT_SIZE_OF (vnet_buffer_opaque_t, ip.save_rewrite_length)
               == STRUCT_SIZE_OF (vnet_buffer_opaque_t,