Add basic EARFCN support
Add structure representing group of EARFCNs with common priority,
threshold etc.
Add functions to populate this structure.
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 0aeefbb..a6908a2 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -29,6 +29,10 @@
comp128;
dbm2rxlev;
+osmo_earfcn_add;
+osmo_earfcn_del;
+osmo_earfcn_init;
+
gprs_cipher_gen_input_i;
gprs_cipher_gen_input_ui;
gprs_cipher_load;
diff --git a/src/gsm/sysinfo.c b/src/gsm/sysinfo.c
index 1408f6b..e4d0ddf 100644
--- a/src/gsm/sysinfo.c
+++ b/src/gsm/sysinfo.c
@@ -125,6 +125,56 @@
{ 0, NULL }
};
+/*! \brief Add pair of arfcn and measurement bandwith value to earfcn struct
+ * \param[in,out] e earfcn struct
+ * \param[in] arfcn EARFCN value, 16 bits
+ * \param[in] meas_bw measurement bandwith value
+ * \returns 0 on success, error otherwise
+ */
+int osmo_earfcn_add(struct earfcn *e, uint16_t arfcn, uint8_t meas_bw)
+{
+ size_t i;
+ for (i = 0; i < e->length; i++) {
+ if (OSMO_EARFCN_INVALID == e->arfcn[i]) {
+ e->arfcn[i] = arfcn;
+ e->meas_bw[i] = meas_bw;
+ return 0;
+ }
+ }
+ return -ENOMEM;
+}
+
+/*! \brief Delete arfcn (and corresponding measurement bandwith) from earfcn
+ * struct
+ * \param[in,out] e earfcn struct
+ * \param[in] arfcn EARFCN value, 16 bits
+ * \returns 0 on success, error otherwise
+ */
+int osmo_earfcn_del(struct earfcn *e, uint16_t arfcn)
+{
+ size_t i;
+ for (i = 0; i < e->length; i++) {
+ if (arfcn == e->arfcn[i]) {
+ e->arfcn[i] = OSMO_EARFCN_INVALID;
+ e->meas_bw[i] = OSMO_EARFCN_MEAS_INVALID;
+ return 0;
+ }
+ }
+ return -ENOENT;
+}
+
+/*! \brief Initialize earfcn struct
+ * \param[in,out] e earfcn struct
+ */
+void osmo_earfcn_init(struct earfcn *e)
+{
+ size_t i;
+ for (i = 0; i < e->length; i++) {
+ e->arfcn[i] = OSMO_EARFCN_INVALID;
+ e->meas_bw[i] = OSMO_EARFCN_MEAS_INVALID;
+ }
+}
+
uint8_t osmo_sitype2rsl(enum osmo_sysinfo_type si_type)
{
return sitype2rsl[si_type];