[nat] Move the structs to the header file

This way the VTY code can use the structures to implement
the show functionality.

openbsc/include/openbsc/bsc_nat.h

@@ -24,6 +24,8 @@
 
 #include <sys/types.h>
 #include <sccp/sccp_types.h>
+
+#include "select.h"
 #include "msgb.h"
 
 #define DIR_BSC 1
@@ -62,6 +64,34 @@ struct bsc_nat_parsed {
 	int gsm_type;
 };
 
+/*
+ * Per BSC data structure
+ */
+struct bsc_connection {
+	struct llist_head list_entry;
+
+	/* do we know anything about this BSC? */
+	int authenticated;
+
+	/* the fd we use to communicate */
+	struct bsc_fd bsc_fd;
+};
+
+/*
+ * Per SCCP source local reference patch table. It needs to
+ * be updated on new SCCP connections, connection confirm and reject,
+ * and on the loss of the BSC connection.
+ */
+struct sccp_connections {
+	struct llist_head list_entry;
+
+	struct bsc_connection *bsc;
+
+	struct sccp_source_reference real_ref;
+	struct sccp_source_reference patched_ref;
+};
+
+
 /**
  * parse the given message into the above structure
  */

openbsc/src/nat/bsc_nat.c

@@ -54,37 +54,9 @@ static struct bsc_fd msc_connection;
 static struct bsc_fd bsc_connection;
 
 
-/*
- * Per BSC data structure
- */
-struct bsc_connection {
-	struct llist_head list_entry;
-
-	/* do we know anything about this BSC? */
-	int authenticated;
-
-	/* the fd we use to communicate */
-	struct bsc_fd bsc_fd;
-};
-
-/*
- * Per SCCP source local reference patch table. It needs to
- * be updated on new SCCP connections, connection confirm and reject,
- * and on the loss of the BSC connection.
- */
-struct sccp_connections {
-	struct llist_head list_entry;
-
-	struct bsc_connection *bsc;
-
-	struct sccp_source_reference real_ref;
-	struct sccp_source_reference patched_ref;
-};
-
 static LLIST_HEAD(bsc_connections);
 static LLIST_HEAD(sccp_connections);
 
-
 /*
  * below are stubs we need to link
  */