[GPRS] BSSGP: add function declaration
diff --git a/openbsc/include/openbsc/gprs_bssgp.h b/openbsc/include/openbsc/gprs_bssgp.h
index d3ccb12..8fdef81 100644
--- a/openbsc/include/openbsc/gprs_bssgp.h
+++ b/openbsc/include/openbsc/gprs_bssgp.h
@@ -151,7 +151,12 @@
#include <osmocore/tlv.h>
-extern int gprs_bssgp_rcvmsg(struct msgb *msg);
+/* BSSGP-UL-UNITDATA.ind */
+int gprs_bssgp_rcvmsg(struct msgb *msg);
+
+/* BSSGP-DL-UNITDATA.req */
+int gprs_bssgp_tx_dl_ud(struct msgb *msg);
+
uint16_t bssgp_parse_cell_id(struct gprs_ra_id *raid, const uint8_t *buf);
/* Wrapper around TLV parser to parse BSSGP IEs */