session tcp vcl: api to update connection attributes

Type: feature

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ifdd6024daf044751895bb8d2deabad41d3a80c92
diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index c808829..d956b5f 100644
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -96,7 +96,8 @@
   VPPCOM_ENOTCONN = -ENOTCONN,
   VPPCOM_ECONNREFUSED = -ECONNREFUSED,
   VPPCOM_ETIMEDOUT = -ETIMEDOUT,
-  VPPCOM_EEXIST = -EEXIST
+  VPPCOM_EEXIST = -EEXIST,
+  VPPCOM_ENOPROTOOPT = -ENOPROTOOPT
 } vppcom_error_t;
 
 typedef enum