1 files changed, 26 insertions, 0 deletions
diff --git a/include/openbsc/arfcn_range_encode.h b/include/openbsc/arfcn_range_encode.h
new file mode 100644
index 000000000..7ec710c33
--- /dev/null
+++ b/include/openbsc/arfcn_range_encode.h
@@ -0,0 +1,26 @@
+#ifndef ARFCN_RANGE_ENCODE_H
+#define ARFCN_RANGE_ENCODE_H
+
+#include <stdint.h>
+
+enum gsm48_range {
+	ARFCN_RANGE_INVALID	= -1,
+	ARFCN_RANGE_128		= 127,
+	ARFCN_RANGE_256		= 255,
+	ARFCN_RANGE_512		= 511,
+	ARFCN_RANGE_1024	= 1023,
+};
+
+#define RANGE_ENC_MAX_ARFCNS	29
+
+int range_enc_determine_range(const int *arfcns, int size, int *f0_out);
+int range_enc_arfcns(enum gsm48_range rng, const int *arfcns, int sze, int *out, int idx);
+int range_enc_find_index(enum gsm48_range rng, const int *arfcns, int size);
+int range_enc_filter_arfcns(int *arfcns, const int sze, const int f0, int *f0_included);
+
+int range_enc_range128(uint8_t *chan_list, int f0, int *w);
+int range_enc_range256(uint8_t *chan_list, int f0, int *w);
+int range_enc_range512(uint8_t *chan_list, int f0, int *w);
+int range_enc_range1024(uint8_t *chan_list, int f0, int f0_incl, int *w);
+
+#endif