X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fgtpu%2Fgtpu.h;h=05208755d8cffeda1ae69f82e42bdb5e8317314a;hb=d6dfd002328676eddda3b90bf46af0128a119b75;hp=6331aa31890f93568a612b7d6794d662bd7ae641;hpb=96cc67dd80e7fbf56071925afff056929965af6d;p=vpp.git

diff --git a/src/plugins/gtpu/gtpu.h b/src/plugins/gtpu/gtpu.h
index 6331aa31890..05208755d8c 100644
--- 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)