1 files changed, 43 insertions, 0 deletions
diff --git a/include/osmocom/gsm/bts_features.h b/include/osmocom/gsm/bts_features.h
new file mode 100644
index 00000000..f9b0142f
--- /dev/null
+++ b/include/osmocom/gsm/bts_features.h
@@ -0,0 +1,43 @@
+#pragma once
+
+#include <osmocom/core/utils.h>
+#include <osmocom/core/bitvec.h>
+
+#define MAX_BTS_FEATURES 128
+
+/* N. B: always add new features to the end of the list (right before _NUM_BTS_FEAT) to avoid breaking compatibility
+   with BTS compiled against earlier version of this header. Also make sure that the description strings
+   gsm_bts_features_descs[] in gsm_data.c are also updated accordingly! */
+enum osmo_bts_features {
+	BTS_FEAT_HSCSD,
+	BTS_FEAT_GPRS,
+	BTS_FEAT_EGPRS,
+	BTS_FEAT_ECSD,
+	BTS_FEAT_HOPPING,
+	BTS_FEAT_MULTI_TSC,
+	BTS_FEAT_OML_ALERTS,
+	BTS_FEAT_AGCH_PCH_PROP,
+	BTS_FEAT_CBCH,
+	BTS_FEAT_SPEECH_F_V1,
+	BTS_FEAT_SPEECH_H_V1,
+	BTS_FEAT_SPEECH_F_EFR,
+	BTS_FEAT_SPEECH_F_AMR,
+	BTS_FEAT_SPEECH_H_AMR,
+	_NUM_BTS_FEAT
+};
+
+extern const struct value_string osmo_bts_features_descs[];
+
+const char *osmo_bts_feature_name(enum osmo_bts_features feature);
+
+inline int osmo_bts_set_feature(struct bitvec *features, enum osmo_bts_features feature)
+{
+	OSMO_ASSERT(_NUM_BTS_FEAT < MAX_BTS_FEATURES);
+	return bitvec_set_bit_pos(features, feature, 1);
+}
+
+inline bool osmo_bts_has_feature(const struct bitvec *features, enum osmo_bts_features feature)
+{
+	OSMO_ASSERT(_NUM_BTS_FEAT < MAX_BTS_FEATURES);
+	return bitvec_get_bit_pos(features, feature);
+}