add function for performing 'CONNECT MULTI-DROP LINK" as per GSM 12.21
don't be confused, BS-11 does not need this. But since I wrote the code
before knowing that, I can just as well commit it.
diff --git a/openbsc/include/openbsc/abis_nm.h b/openbsc/include/openbsc/abis_nm.h
index 9f8c4be..3dc5531 100644
--- a/openbsc/include/openbsc/abis_nm.h
+++ b/openbsc/include/openbsc/abis_nm.h
@@ -678,6 +678,9 @@
int abis_nm_software_activate(struct gsm_bts *bts, const char *fname,
gsm_cbfn *cbfn, void *cb_data);
+int abis_nm_conn_mdrop_link(struct gsm_bts *bts, u_int8_t e1_port0, u_int8_t ts0,
+ u_int8_t e1_port1, u_int8_t ts1);
+
/* Siemens / BS-11 specific */
int abis_nm_bs11_reset_resource(struct gsm_bts *bts);
int abis_nm_bs11_db_transmission(struct gsm_bts *bts, int begin);