Move gsm_bts code gsm-data.* => bts.*

bts.h refers to struct gsm_bts object, but we still had a bunch of stuff
in bulky gsm_data.* from old days. Let's move stuff where it belongs to
start clean up of gsm_data.

Change-Id: I0a4219e3f64f625ee8b364bf408b8d2bcc8085c5

2 files changed, 296 insertions, 310 deletions

diff --git a/include/osmo-bts/bts.h b/include/osmo-bts/bts.h
index 63412f9b..cb8787f4 100644
--- a/include/osmo-bts/bts.h
+++ b/include/osmo-bts/bts.h
@@ -24,8 +24,299 @@ enum {
 	BTS_CTR_AGCH_DELETED,
 };
 
+/* Used by OML layer for BTS Attribute reporting */
+enum bts_attribute {
+	BTS_TYPE_VARIANT,
+	BTS_SUB_MODEL,
+	TRX_PHY_VERSION,
+};
+const char *btsatttr2str(enum bts_attribute v);
+
+enum gsm_bts_type_variant {
+	BTS_UNKNOWN,
+	BTS_OSMO_LITECELL15,
+        BTS_OSMO_OC2G,
+	BTS_OSMO_OCTPHY,
+	BTS_OSMO_SYSMO,
+	BTS_OSMO_TRX,
+	BTS_OSMO_VIRTUAL,
+	BTS_OSMO_OMLDUMMY,
+	_NUM_BTS_VARIANT
+};
+const char *btsvariant2str(enum gsm_bts_type_variant v);
+
+/* TODO: add a brief description of this flag */
+#define BTS_INTERNAL_FLAG_MS_PWR_CTRL_DSP		(1 << 0)
+/* When this flag is set then the measurement data is included in
+ * (PRIM_PH_DATA) and struct ph_tch_param (PRIM_TCH). Otherwise the
+ * measurement data is passed using a separate MPH INFO MEAS IND.
+ * (See also ticket: OS#2977) */
+#define BTS_INTERNAL_FLAG_MEAS_PAYLOAD_COMB		(1 << 1)
+
+/* BTS implementation flags (internal use, not exposed via OML) */
+#define bts_internal_flag_get(bts, flag) \
+	((bts->flags & (typeof(bts->flags)) flag) != 0)
+#define bts_internal_flag_set(bts, flag) \
+	bts->flags |= (typeof(bts->flags)) flag
+
+struct gsm_bts_gprs_nsvc {
+	struct gsm_bts *bts;
+	/* data read via VTY config file, to configure the BTS
+	 * via OML from BSC */
+	int id;
+	uint16_t nsvci;
+	uint16_t local_port;	/* on the BTS */
+	uint16_t remote_port;	/* on the SGSN */
+	uint32_t remote_ip;	/* on the SGSN */
+
+	struct gsm_abis_mo mo;
+};
+
+struct gprs_rlc_cfg {
+	uint16_t parameter[_NUM_RLC_PAR];
+	struct {
+		uint16_t repeat_time; /* ms */
+		uint8_t repeat_count;
+	} paging;
+	uint32_t cs_mask; /* bitmask of gprs_cs */
+	uint8_t initial_cs;
+	uint8_t initial_mcs;
+};
+
+struct bts_smscb_state {
+	struct llist_head queue; /* list of struct smscb_msg */
+	int queue_len;
+	struct rate_ctr_group *ctrs;
+	struct smscb_msg *cur_msg; /* current SMS-CB */
+	struct smscb_msg *default_msg; /* default broadcast message; NULL if none */
+};
+
+/* One BTS */
+struct gsm_bts {
+	/* list header in net->bts_list */
+	struct llist_head list;
+
+	/* number of the BTS in network */
+	uint8_t nr;
+	/* human readable name / description */
+	char *description;
+	/* Cell Identity */
+	uint16_t cell_identity;
+	/* location area code of this BTS */
+	uint16_t location_area_code;
+	/* Base Station Identification Code (BSIC), lower 3 bits is BCC,
+	 * which is used as TSC for the CCCH */
+	uint8_t bsic;
+	/* type of BTS */
+	enum gsm_bts_type_variant variant;
+	enum gsm_band band;
+	char version[MAX_VERSION_LENGTH];
+	char sub_model[MAX_VERSION_LENGTH];
+
+	/* public features of a given BTS (set/reported via OML) */
+	struct bitvec *features;
+	/* implementation flags of a given BTS (not exposed via OML) */
+	uint16_t flags;
+
+	/* Connected PCU version (if any) */
+	char pcu_version[MAX_VERSION_LENGTH];
+
+	/* maximum Tx power that the MS is permitted to use in this cell */
+	int ms_max_power;
+
+	/* how do we talk OML with this TRX? */
+	struct e1inp_sign_link *oml_link;
+	struct timespec oml_conn_established_timestamp;
+
+	/* Abis network management O&M handle */
+	struct gsm_abis_mo mo;
+
+	/* number of this BTS on given E1 link */
+	uint8_t bts_nr;
+
+	/* DTX features of this BTS */
+	bool dtxd;
+
+	/* CCCH is on C0 */
+	struct gsm_bts_trx *c0;
+
+	struct {
+		struct gsm_abis_mo mo;
+	} site_mgr;
+
+	/* bitmask of all SI that are present/valid in si_buf */
+	uint32_t si_valid;
+	/* 3GPP TS 44.018 Table 10.5.2.33b.1 INDEX and COUNT for SI2quater */
+	uint8_t si2q_index; /* distinguish individual SI2quater messages */
+	uint8_t si2q_count; /* si2q_index for the last (highest indexed) individual SI2quater message */
+	/* buffers where we put the pre-computed SI */
+	sysinfo_buf_t si_buf[_MAX_SYSINFO_TYPE][SI2Q_MAX_NUM];
+	/* offsets used while generating SI2quater */
+	size_t e_offset;
+	size_t u_offset;
+	/* decoded SI3 rest octets - *unmodified* as received from BSC */
+	struct osmo_gsm48_si_ro_info si3_ro_decoded;
+	/* is SI3 GPRS Indicator currently disabled due to lack of PCU connection? */
+	bool si3_gprs_ind_disabled;
+
+	/* ip.access Unit ID's have Site/BTS/TRX layout */
+	union {
+		struct {
+			uint16_t site_id;
+			uint16_t bts_id;
+			uint32_t flags;
+			uint32_t rsl_ip;
+		} ip_access;
+	};
+
+	/* Not entirely sure how ip.access specific this is */
+	struct {
+		struct {
+			struct gsm_abis_mo mo;
+			uint16_t nsei;
+			uint8_t timer[7];
+		} nse;
+		struct {
+			struct gsm_abis_mo mo;
+			uint16_t bvci;
+			uint8_t timer[11];
+			struct gprs_rlc_cfg rlc_cfg;
+		} cell;
+		struct gsm_bts_gprs_nsvc nsvc[2];
+		uint8_t rac;
+	} gprs;
+
+	/* transceivers */
+	int num_trx;
+	struct llist_head trx_list;
+
+	struct rate_ctr_group *ctrs;
+	bool supp_meas_toa256;
+
+	struct {
+		/* Interference Boundaries for OML */
+		int16_t boundary[6];
+		uint8_t intave;
+	} interference;
+	unsigned int t200_ms[7];
+	unsigned int t3105_ms;
+	struct {
+		uint8_t overload_period;
+		struct {
+			/* Input parameters from OML */
+			uint8_t load_ind_thresh;	/* percent */
+			uint8_t load_ind_period;	/* seconds */
+			/* Internal data */
+			struct osmo_timer_list timer;
+			unsigned int pch_total;
+			unsigned int pch_used;
+		} ccch;
+		struct {
+			/* Input parameters from OML */
+			int16_t busy_thresh;		/* in dBm */
+			uint16_t averaging_slots;
+			/* Internal data */
+			unsigned int total;	/* total nr */
+			unsigned int busy;	/* above busy_thresh */
+			unsigned int access;	/* access bursts */
+		} rach;
+	} load;
+	uint8_t ny1;
+	uint8_t max_ta;
+
+	/* AGCH queuing */
+	struct {
+		struct llist_head queue;
+		int length;
+		int max_length;
+
+		int thresh_level;	/* Cleanup threshold in percent of max len */
+		int low_level;		/* Low water mark in percent of max len */
+		int high_level;		/* High water mark in percent of max len */
+
+		/* TODO: Use a rate counter group instead */
+		uint64_t dropped_msgs;
+		uint64_t merged_msgs;
+		uint64_t rejected_msgs;
+		uint64_t agch_msgs;
+		uint64_t pch_msgs;
+	} agch_queue;
+
+	struct {
+		uint8_t *prim_notif;	/* ETWS primary notification (NULL if none) */
+		ssize_t prim_notif_len;	/* Length of prim_notif; expected 56 bytes */
+		uint8_t page_size;
+		uint8_t num_pages;	/* total number of pages */
+		uint8_t next_page;	/* next page number to be sent */
+		bool pni;		/* Primary Notification Identifier */
+	} etws;
+
+	struct paging_state *paging_state;
+	char *bsc_oml_host;
+	struct llist_head oml_queue;
+	unsigned int rtp_jitter_buf_ms;
+	bool rtp_jitter_adaptive;
+
+	uint16_t rtp_port_range_start;
+	uint16_t rtp_port_range_end;
+	uint16_t rtp_port_range_next;
+	int rtp_ip_dscp;
+
+	struct {
+		uint8_t ciphers;	/* flags A5/1==0x1, A5/2==0x2, A5/3==0x4 */
+	} support;
+	struct {
+		uint8_t tc4_ctr;
+	} si;
+	struct gsm_time gsm_time;
+	/* frame number statistics (FN in PH-RTS.ind vs. PH-DATA.ind */
+	struct {
+		int32_t min;		/* minimum observed */
+		int32_t max;		/* maximum observed */
+		int32_t avg256;		/* accumulator */
+		uint32_t avg_count;	/* number of samples accumulated in avg256 */
+		uint32_t avg_window;	/* number of averages in avg_count */
+	} fn_stats;
+	/* Radio Link Timeout counter. -1 disables timeout for
+	 * lab/measurement purpose */
+	int radio_link_timeout;
+
+	int ul_power_target;		/* Uplink Rx power target */
+
+	/* used by the sysmoBTS to adjust band */
+	uint8_t auto_band;
+
+	/* State for SMSCB (Cell Broadcast) for BASIC and EXTENDED channel */
+	struct bts_smscb_state smscb_basic;
+	struct bts_smscb_state smscb_extended;
+	int smscb_queue_tgt_len; /* ideal/target queue length */
+	int smscb_queue_max_len; /* maximum queue length */
+	int smscb_queue_hyst; /* hysteresis for CBCH load indications */
+
+	int16_t min_qual_rach;	/* minimum link quality (in centiBels) for Access Bursts */
+	int16_t min_qual_norm;	/* minimum link quality (in centiBels) for Normal Bursts */
+	uint16_t max_ber10k_rach;	/* Maximum permitted RACH BER in 0.01% */
+
+	struct {
+		char *sock_path;
+	} pcu;
+
+	struct osmo_fsm_inst *shutdown_fi; /* FSM instance to manage shutdown procedure during process exit */
+	struct osmo_tdef *T_defs; /* Timer defines */
+
+	void *model_priv; /* Allocated by bts_model, contains model specific data pointer */
+};
+
+extern const struct value_string bts_impl_flag_desc[];
 extern void *tall_bts_ctx;
 
+#define GSM_BTS_SI2Q(bts, i)   (struct gsm48_system_information_type_2quater *)((bts)->si_buf[SYSINFO_TYPE_2quater][i])
+#define GSM_BTS_HAS_SI(bts, i) ((bts)->si_valid & (1 << i))
+#define GSM_BTS_SI(bts, i)     (void *)((bts)->si_buf[i][0])
+
+struct gsm_bts *gsm_bts_alloc(void *talloc_ctx, uint8_t bts_num);
+struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num);
+
 int bts_init(struct gsm_bts *bts);
 int bts_trx_init(struct gsm_bts_trx *trx);
 void bts_shutdown(struct gsm_bts *bts, const char *reason);
@@ -39,7 +330,7 @@ struct msgb *bts_agch_dequeue(struct gsm_bts *bts);
 int bts_agch_max_queue_length(int T, int bcch_conf);
 int bts_ccch_copy_msg(struct gsm_bts *bts, uint8_t *out_buf, struct gsm_time *gt,
 		      int is_ag_res);
-
+int bts_supports_cipher(struct gsm_bts *bts, int rsl_cipher);
 uint8_t *bts_sysinfo_get(struct gsm_bts *bts, const struct gsm_time *g_time);
 void regenerate_si3_restoctets(struct gsm_bts *bts);
 uint8_t *lchan_sacch_get(struct gsm_lchan *lchan);
@@ -60,4 +351,7 @@ int bts_supports_cm(struct gsm_bts *bts, enum gsm_phys_chan_config pchan,
 
 int32_t bts_get_avg_fn_advance(struct gsm_bts *bts);
 
+/* return the gsm_lchan for the CBCH (if it exists at all) */
+struct gsm_lchan *gsm_bts_get_cbch(struct gsm_bts *bts);
+
 #endif /* _BTS_H */
diff --git a/include/osmo-bts/gsm_data.h b/include/osmo-bts/gsm_data.h
index 2e8ff468..0bb77612 100644
--- a/include/osmo-bts/gsm_data.h
+++ b/include/osmo-bts/gsm_data.h
@@ -386,59 +386,8 @@ struct gsm_bts_trx {
 	struct gsm_bts_trx_ts ts[TRX_NR_TS];
 };
 
-#define GSM_BTS_SI2Q(bts, i)   (struct gsm48_system_information_type_2quater *)((bts)->si_buf[SYSINFO_TYPE_2quater][i])
-#define GSM_BTS_HAS_SI(bts, i) ((bts)->si_valid & (1 << i))
-#define GSM_BTS_SI(bts, i)     (void *)((bts)->si_buf[i][0])
 #define GSM_LCHAN_SI(lchan, i) (void *)((lchan)->si.buf[i][0])
 
-enum gsm_bts_type_variant {
-	BTS_UNKNOWN,
-	BTS_OSMO_LITECELL15,
-        BTS_OSMO_OC2G,
-	BTS_OSMO_OCTPHY,
-	BTS_OSMO_SYSMO,
-	BTS_OSMO_TRX,
-	BTS_OSMO_VIRTUAL,
-	BTS_OSMO_OMLDUMMY,
-	_NUM_BTS_VARIANT
-};
-
-/* Used by OML layer for BTS Attribute reporting */
-enum bts_attribute {
-	BTS_TYPE_VARIANT,
-	BTS_SUB_MODEL,
-	TRX_PHY_VERSION,
-};
-
-/* BTS implementation flags (internal use, not exposed via OML) */
-#define bts_internal_flag_get(bts, flag) \
-	((bts->flags & (typeof(bts->flags)) flag) != 0)
-#define bts_internal_flag_set(bts, flag) \
-	bts->flags |= (typeof(bts->flags)) flag
-
-/* TODO: add a brief description of this flag */
-#define BTS_INTERNAL_FLAG_MS_PWR_CTRL_DSP		(1 << 0)
-/* When this flag is set then the measurement data is included in
- * (PRIM_PH_DATA) and struct ph_tch_param (PRIM_TCH). Otherwise the
- * measurement data is passed using a separate MPH INFO MEAS IND.
- * (See also ticket: OS#2977) */
-#define BTS_INTERNAL_FLAG_MEAS_PAYLOAD_COMB		(1 << 1)
-
-extern const struct value_string bts_impl_flag_desc[];
-
-struct gsm_bts_gprs_nsvc {
-	struct gsm_bts *bts;
-	/* data read via VTY config file, to configure the BTS
-	 * via OML from BSC */
-	int id;
-	uint16_t nsvci;
-	uint16_t local_port;	/* on the BTS */
-	uint16_t remote_port;	/* on the SGSN */
-	uint32_t remote_ip;	/* on the SGSN */
-
-	struct gsm_abis_mo mo;
-};
-
 enum gprs_rlc_par {
 	RLC_T3142,
 	RLC_T3169,
@@ -471,257 +420,13 @@ enum gprs_cs {
 	_NUM_GRPS_CS
 };
 
-struct gprs_rlc_cfg {
-	uint16_t parameter[_NUM_RLC_PAR];
-	struct {
-		uint16_t repeat_time; /* ms */
-		uint8_t repeat_count;
-	} paging;
-	uint32_t cs_mask; /* bitmask of gprs_cs */
-	uint8_t initial_cs;
-	uint8_t initial_mcs;
-};
-
-struct bts_smscb_state {
-	struct llist_head queue; /* list of struct smscb_msg */
-	int queue_len;
-	struct rate_ctr_group *ctrs;
-	struct smscb_msg *cur_msg; /* current SMS-CB */
-	struct smscb_msg *default_msg; /* default broadcast message; NULL if none */
-};
-
 /* The amount of time within which a sudden disconnect of a newly established
  * OML connection will cause a special warning to be logged. */
 #define OSMO_BTS_OML_CONN_EARLY_DISCONNECT 10	 /* in seconds */
 
-/* One BTS */
-struct gsm_bts {
-	/* list header in net->bts_list */
-	struct llist_head list;
-
-	/* number of the BTS in network */
-	uint8_t nr;
-	/* human readable name / description */
-	char *description;
-	/* Cell Identity */
-	uint16_t cell_identity;
-	/* location area code of this BTS */
-	uint16_t location_area_code;
-	/* Base Station Identification Code (BSIC), lower 3 bits is BCC,
-	 * which is used as TSC for the CCCH */
-	uint8_t bsic;
-	/* type of BTS */
-	enum gsm_bts_type_variant variant;
-	enum gsm_band band;
-	char version[MAX_VERSION_LENGTH];
-	char sub_model[MAX_VERSION_LENGTH];
-
-	/* public features of a given BTS (set/reported via OML) */
-	struct bitvec *features;
-	/* implementation flags of a given BTS (not exposed via OML) */
-	uint16_t flags;
-
-	/* Connected PCU version (if any) */
-	char pcu_version[MAX_VERSION_LENGTH];
-
-	/* maximum Tx power that the MS is permitted to use in this cell */
-	int ms_max_power;
-
-	/* how do we talk OML with this TRX? */
-	struct e1inp_sign_link *oml_link;
-	struct timespec oml_conn_established_timestamp;
-
-	/* Abis network management O&M handle */
-	struct gsm_abis_mo mo;
-
-	/* number of this BTS on given E1 link */
-	uint8_t bts_nr;
-
-	/* DTX features of this BTS */
-	bool dtxd;
-
-	/* CCCH is on C0 */
-	struct gsm_bts_trx *c0;
-
-	struct {
-		struct gsm_abis_mo mo;
-	} site_mgr;
-
-	/* bitmask of all SI that are present/valid in si_buf */
-	uint32_t si_valid;
-	/* 3GPP TS 44.018 Table 10.5.2.33b.1 INDEX and COUNT for SI2quater */
-	uint8_t si2q_index; /* distinguish individual SI2quater messages */
-	uint8_t si2q_count; /* si2q_index for the last (highest indexed) individual SI2quater message */
-	/* buffers where we put the pre-computed SI */
-	sysinfo_buf_t si_buf[_MAX_SYSINFO_TYPE][SI2Q_MAX_NUM];
-	/* offsets used while generating SI2quater */
-	size_t e_offset;
-	size_t u_offset;
-	/* decoded SI3 rest octets - *unmodified* as received from BSC */
-	struct osmo_gsm48_si_ro_info si3_ro_decoded;
-	/* is SI3 GPRS Indicator currently disabled due to lack of PCU connection? */
-	bool si3_gprs_ind_disabled;
-
-	/* ip.access Unit ID's have Site/BTS/TRX layout */
-	union {
-		struct {
-			uint16_t site_id;
-			uint16_t bts_id;
-			uint32_t flags;
-			uint32_t rsl_ip;
-		} ip_access;
-	};
-
-	/* Not entirely sure how ip.access specific this is */
-	struct {
-		struct {
-			struct gsm_abis_mo mo;
-			uint16_t nsei;
-			uint8_t timer[7];
-		} nse;
-		struct {
-			struct gsm_abis_mo mo;
-			uint16_t bvci;
-			uint8_t timer[11];
-			struct gprs_rlc_cfg rlc_cfg;
-		} cell;
-		struct gsm_bts_gprs_nsvc nsvc[2];
-		uint8_t rac;
-	} gprs;
-
-	/* transceivers */
-	int num_trx;
-	struct llist_head trx_list;
-
-	struct rate_ctr_group *ctrs;
-	bool supp_meas_toa256;
-
-	struct {
-		/* Interference Boundaries for OML */
-		int16_t boundary[6];
-		uint8_t intave;
-	} interference;
-	unsigned int t200_ms[7];
-	unsigned int t3105_ms;
-	struct {
-		uint8_t overload_period;
-		struct {
-			/* Input parameters from OML */
-			uint8_t load_ind_thresh;	/* percent */
-			uint8_t load_ind_period;	/* seconds */
-			/* Internal data */
-			struct osmo_timer_list timer;
-			unsigned int pch_total;
-			unsigned int pch_used;
-		} ccch;
-		struct {
-			/* Input parameters from OML */
-			int16_t busy_thresh;		/* in dBm */
-			uint16_t averaging_slots;
-			/* Internal data */
-			unsigned int total;	/* total nr */
-			unsigned int busy;	/* above busy_thresh */
-			unsigned int access;	/* access bursts */
-		} rach;
-	} load;
-	uint8_t ny1;
-	uint8_t max_ta;
-
-	/* AGCH queuing */
-	struct {
-		struct llist_head queue;
-		int length;
-		int max_length;
-
-		int thresh_level;	/* Cleanup threshold in percent of max len */
-		int low_level;		/* Low water mark in percent of max len */
-		int high_level;		/* High water mark in percent of max len */
-
-		/* TODO: Use a rate counter group instead */
-		uint64_t dropped_msgs;
-		uint64_t merged_msgs;
-		uint64_t rejected_msgs;
-		uint64_t agch_msgs;
-		uint64_t pch_msgs;
-	} agch_queue;
-
-	struct {
-		uint8_t *prim_notif;	/* ETWS primary notification (NULL if none) */
-		ssize_t prim_notif_len;	/* Length of prim_notif; expected 56 bytes */
-		uint8_t page_size;
-		uint8_t num_pages;	/* total number of pages */
-		uint8_t next_page;	/* next page number to be sent */
-		bool pni;		/* Primary Notification Identifier */
-	} etws;
-
-	struct paging_state *paging_state;
-	char *bsc_oml_host;
-	struct llist_head oml_queue;
-	unsigned int rtp_jitter_buf_ms;
-	bool rtp_jitter_adaptive;
-
-	uint16_t rtp_port_range_start;
-	uint16_t rtp_port_range_end;
-	uint16_t rtp_port_range_next;
-	int rtp_ip_dscp;
-
-	struct {
-		uint8_t ciphers;	/* flags A5/1==0x1, A5/2==0x2, A5/3==0x4 */
-	} support;
-	struct {
-		uint8_t tc4_ctr;
-	} si;
-	struct gsm_time gsm_time;
-	/* frame number statistics (FN in PH-RTS.ind vs. PH-DATA.ind */
-	struct {
-		int32_t min;		/* minimum observed */
-		int32_t max;		/* maximum observed */
-		int32_t avg256;		/* accumulator */
-		uint32_t avg_count;	/* number of samples accumulated in avg256 */
-		uint32_t avg_window;	/* number of averages in avg_count */
-	} fn_stats;
-	/* Radio Link Timeout counter. -1 disables timeout for
-	 * lab/measurement purpose */
-	int radio_link_timeout;
-
-	int ul_power_target;		/* Uplink Rx power target */
-
-	/* used by the sysmoBTS to adjust band */
-	uint8_t auto_band;
-
-	/* State for SMSCB (Cell Broadcast) for BASIC and EXTENDED channel */
-	struct bts_smscb_state smscb_basic;
-	struct bts_smscb_state smscb_extended;
-	int smscb_queue_tgt_len; /* ideal/target queue length */
-	int smscb_queue_max_len; /* maximum queue length */
-	int smscb_queue_hyst; /* hysteresis for CBCH load indications */
-
-	int16_t min_qual_rach;	/* minimum link quality (in centiBels) for Access Bursts */
-	int16_t min_qual_norm;	/* minimum link quality (in centiBels) for Normal Bursts */
-	uint16_t max_ber10k_rach;	/* Maximum permitted RACH BER in 0.01% */
-
-	struct {
-		char *sock_path;
-	} pcu;
-
-	struct osmo_fsm_inst *shutdown_fi; /* FSM instance to manage shutdown procedure during process exit */
-	struct osmo_tdef *T_defs; /* Timer defines */
-
-	void *model_priv; /* Allocated by bts_model, contains model specific data pointer */
-};
-
-
-struct gsm_bts *gsm_bts_alloc(void *talloc_ctx, uint8_t bts_num);
-struct gsm_bts *gsm_bts_num(struct gsm_network *net, int num);
-
 struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts);
 struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num);
 
-enum bts_attribute str2btsattr(const char *s);
-const char *btsatttr2str(enum bts_attribute v);
-
-enum gsm_bts_type_variant str2btsvariant(const char *arg);
-const char *btsvariant2str(enum gsm_bts_type_variant v);
 
 extern const struct value_string gsm_pchant_names[13];
 extern const struct value_string gsm_pchant_descs[13];
@@ -743,18 +448,9 @@ uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan);
 uint8_t gsm_lchan_as_pchan2chan_nr(const struct gsm_lchan *lchan,
 				   enum gsm_phys_chan_config as_pchan);
 
-/* return the gsm_lchan for the CBCH (if it exists at all) */
-struct gsm_lchan *gsm_bts_get_cbch(struct gsm_bts *bts);
-
 #define BSIC2BCC(bsic) ((bsic) & 0x3)
 
-static inline uint8_t gsm_ts_tsc(const struct gsm_bts_trx_ts *ts)
-{
-	if (ts->tsc != -1)
-		return ts->tsc;
-	else
-		return ts->trx->bts->bsic & 7;
-}
+uint8_t gsm_ts_tsc(const struct gsm_bts_trx_ts *ts);
 
 struct gsm_lchan *rsl_lchan_lookup(struct gsm_bts_trx *trx, uint8_t chan_nr,
 				   int *rc);
@@ -773,10 +469,6 @@ int conf_lchans_as_pchan(struct gsm_bts_trx_ts *ts,
 /* cipher code */
 #define CIPHER_A5(x) (1 << (x-1))
 
-int bts_supports_cipher(struct gsm_bts *bts, int rsl_cipher);
-
 bool ts_is_pdch(const struct gsm_bts_trx_ts *ts);
 
-int bts_model_check_cm_mode(enum gsm_phys_chan_config pchan, enum gsm48_chan_mode cm);
-
 #endif /* _GSM_DATA_H */