ena: Amazon Elastic Network Adapter (ENA) native driver

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

diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h
index 4de2dea..a747ea9 100644 (file)
--- a/src/vlib/buffer.h
+++ b/src/vlib/buffer.h
@@ -236,6 +236,7 @@ STATIC_ASSERT (VLIB_BUFFER_PRE_DATA_SIZE % CLIB_CACHE_LINE_BYTES == 0,
               "VLIB_BUFFER_PRE_DATA_SIZE must be divisible by cache line size");
 
 #define VLIB_BUFFER_HDR_SIZE  (sizeof(vlib_buffer_t) - VLIB_BUFFER_PRE_DATA_SIZE)
+#define VLIB_BUFFER_INVALID_INDEX 0xffffffff
 
 /** \brief Prefetch buffer metadata.
     The first 64 bytes of buffer contains most header information