--- a/extensions/radius_gw/sub_echo_drop.h	Mon May 25 17:25:53 2009 +0900
+++ b/extensions/radius_gw/sub_echo_drop.h	Tue May 26 11:37:32 2009 +0900
@@ -39,6 +39,11 @@
 #ifndef _SUB_ECHO_DROP
 #define _SUB_ECHO_DROP
 
+/* Default debug level for the extension */
+#ifndef SUB_ECHO_DROP_VERBO
+#define SUB_ECHO_DROP_VERBO 0
+#endif /* SUB_ECHO_DROP_VERBO */
+
 #define IN_EXTENSION
 #define DEFINE_DEBUG_MACRO	sub_echo_drop
 
@@ -48,9 +53,11 @@
 
 extern int sub_echo_drop_verbosity;
 
+/* Action to perform on an attribute */
 #define ACT_ECHO 1
 #define ACT_DROP 2
 
+/* Parsed configuration: list of attributes and associated actions */
 struct sed_conf_item {
 	struct rg_list 	chain;
 	
@@ -67,7 +74,8 @@
 	
 	uint8_t		code; /* The attribute code, the list is ordered by this value */
 };
-	
+
+/* The structure that holds both configuration and state */
 struct rga_conf_state {
 	/* Input: configuration file */
 	char * conffile;
@@ -79,6 +87,13 @@
 	sess_reg_t * sess_hdl;
 };
 
+/* For ECHO items, we save a list of these in the session */
+struct sed_saved_item {
+	struct rg_list		chain;
+	struct radius_attr_hdr  attr; /* copy of the attribute content, including the data */
+};
+	
+
 /* The yacc parser */
 int sed_conf_parse(struct rga_conf_state *cs);