libmsc/gsm_04_11.c: accept MT SMS messages over GSUP

Change-Id: I57357982ca0e51f6722c24a4aa1d0fb3e6caef88
Depends-on: (core) Ibe325c64ae2d6c626b232533bb4cbc65fc2b5d71
Depends-on: (OsmoHLR) I0589ff27933e9bca2bcf93b8259004935778db8f
Related Change-Id: (TTCN) I63a25c8366cce0852df6b628365151661a22a25f
Related: OS#3587
diff --git a/include/osmocom/msc/gsm_04_11.h b/include/osmocom/msc/gsm_04_11.h
index b739918..4297cdb 100644
--- a/include/osmocom/msc/gsm_04_11.h
+++ b/include/osmocom/msc/gsm_04_11.h
@@ -42,6 +42,10 @@
 int gsm411_send_sms(struct gsm_network *net,
 		    struct vlr_subscr *vsub,
 		    struct gsm_sms *sms);
+int gsm411_send_rp_data(struct gsm_network *net, struct vlr_subscr *vsub,
+			size_t sm_rp_oa_len, const uint8_t *sm_rp_oa,
+			size_t sm_rp_ud_len, const uint8_t *sm_rp_ud);
+
 void gsm411_sapi_n_reject(struct ran_conn *conn);
 
 int gsm411_send_rp_ack(struct gsm_trans *trans, uint8_t msg_ref);