1 files changed, 38 insertions, 0 deletions
diff --git a/include/osmocom/gsm/gsup_sms.h b/include/osmocom/gsm/gsup_sms.h
new file mode 100644
index 00000000..521412d6
--- /dev/null
+++ b/include/osmocom/gsm/gsup_sms.h
@@ -0,0 +1,38 @@
+#pragma once
+
+/*! \addtogroup gsup
+ *  @{
+ *
+ *  This header defines SMS (Short Message Service) extensions for
+ *  Osmocom GSUP (Generic Subscriber Update Protocol). The scope of
+ *  this module is defined by 3GPP TS 29.002, section 12.
+ *
+ *  \file gsup_sms.h
+ *  SMS (Short Message Service) extensions for Osmocom GSUP. */
+
+#include <stdint.h>
+
+/*! Possible identity types for SM-RP-{OA|DA} */
+enum osmo_gsup_sms_sm_rp_oda_t {
+	OSMO_GSUP_SMS_SM_RP_ODA_NONE		= 0x00,
+	OSMO_GSUP_SMS_SM_RP_ODA_IMSI		= 0x01,
+	OSMO_GSUP_SMS_SM_RP_ODA_MSISDN		= 0x02,
+	OSMO_GSUP_SMS_SM_RP_ODA_SMSC_ADDR	= 0x03,
+	/*! Special value for noSM-RP-DA and noSM-RP-OA */
+	OSMO_GSUP_SMS_SM_RP_ODA_NULL		= 0xff,
+};
+
+struct osmo_gsup_message;
+struct msgb;
+
+int osmo_gsup_sms_encode_sm_rp_da(struct msgb *msg,
+	const struct osmo_gsup_message *gsup_msg);
+int osmo_gsup_sms_decode_sm_rp_da(struct osmo_gsup_message *gsup_msg,
+	uint8_t *data, size_t data_len);
+
+int osmo_gsup_sms_encode_sm_rp_oa(struct msgb *msg,
+	const struct osmo_gsup_message *gsup_msg);
+int osmo_gsup_sms_decode_sm_rp_oa(struct osmo_gsup_message *gsup_msg,
+	uint8_t *data, size_t data_len);
+
+/*! @} */