Fix GTP-U length header field in encoding

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

diff --git a/src/plugins/gtpu/gtpu.h b/src/plugins/gtpu/gtpu.h
index 6331aa3..0520875 100644 (file)
--- a/src/plugins/gtpu/gtpu.h
+++ b/src/plugins/gtpu/gtpu.h
@@ -55,13 +55,15 @@ typedef struct
 {
   u8 ver_flags;
   u8 type;
-  u16 length;                  /* length in octets of the payload */
+  u16 length;                  /* length in octets of the data following the fixed part of the header */
   u32 teid;
   u16 sequence;
   u8 pdu_number;
   u8 next_ext_type;
 } gtpu_header_t;
 
+#define GTPU_V1_HDR_LEN   8
+
 #define GTPU_VER_MASK (7<<5)
 #define GTPU_PT_BIT   (1<<4)
 #define GTPU_E_BIT    (1<<2)