bts: Move struct gprs_rlcmac_bts and other structs into a bts.h

Begin to make the BTS a real C++ object with real responsibilities.
The biggest issue will be the pcu_vty.c that might not like C++
at all.

src/Makefile.am

@@ -75,7 +75,8 @@ noinst_HEADERS = \
 	pcu_vty.h \
 	sysmo_l1_if.h \
 	femtobts.h \
-	tbf.h
+	tbf.h \
+	bts.h
 
 osmo_pcu_SOURCES = pcu_main.cpp
 

src/bts.h

@@ -0,0 +1,83 @@
+/* bts.h
+ *
+ * Copyright (C) 2012 Ivan Klyuchnikov
+ * Copyright (C) 2013 by Holger Hans Peter Freyther
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#pragma once
+
+
+#ifdef __cplusplus
+extern "C" {
+#include <osmocom/core/linuxlist.h>
+#include <osmocom/core/timer.h>
+}
+#endif
+
+#include <stdint.h>
+
+struct gprs_rlcmac_tbf;
+
+/*
+ * PDCH instance
+ */
+struct gprs_rlcmac_pdch {
+	uint8_t enable; /* TS is enabled */
+	uint8_t tsc; /* TSC of this slot */
+	uint8_t next_ul_tfi; /* next uplink TBF/TFI to schedule (0..31) */
+	uint8_t next_dl_tfi; /* next downlink TBF/TFI to schedule (0..31) */
+	struct gprs_rlcmac_tbf *ul_tbf[32]; /* array of UL TBF, by UL TFI */
+	struct gprs_rlcmac_tbf *dl_tbf[32]; /* array of DL TBF, by DL TFI */
+	struct llist_head paging_list; /* list of paging messages */
+	uint32_t last_rts_fn; /* store last frame number of RTS */
+};
+
+struct gprs_rlcmac_trx {
+	void *fl1h;
+	uint16_t arfcn;
+	struct gprs_rlcmac_pdch pdch[8];
+	struct gprs_rlcmac_tbf *ul_tbf[32]; /* array of UL TBF, by UL TFI */
+	struct gprs_rlcmac_tbf *dl_tbf[32]; /* array of DL TBF, by DL TFI */
+};
+
+
+struct gprs_rlcmac_bts {
+	uint8_t bsic;
+	uint8_t fc_interval;
+	uint8_t cs1;
+	uint8_t cs2;
+	uint8_t cs3;
+	uint8_t cs4;
+	uint8_t initial_cs_dl, initial_cs_ul;
+	uint8_t force_cs;	/* 0=use from BTS 1=use from VTY */
+	uint16_t force_llc_lifetime; /* overrides lifetime from SGSN */
+	uint8_t t3142;
+	uint8_t t3169;
+	uint8_t t3191;
+	uint16_t t3193_msec;
+	uint8_t t3195;
+	uint8_t n3101;
+	uint8_t n3103;
+	uint8_t n3105;
+	struct gprs_rlcmac_trx trx[8];
+	int (*alloc_algorithm)(struct gprs_rlcmac_bts *bts,
+		struct gprs_rlcmac_tbf *old_tbf,
+		struct gprs_rlcmac_tbf *tbf, uint32_t cust, uint8_t single);
+	uint32_t alloc_algorithm_curst; /* options to customize algorithm */
+	uint8_t force_two_phase;
+	uint8_t alpha, gamma;
+};

src/gprs_bssgp_pcu.cpp

@@ -21,6 +21,7 @@
 #include <gprs_rlcmac.h>
 #include <gprs_bssgp_pcu.h>
 #include <pcu_l1_if.h>
+#include <bts.h>
 #include <tbf.h>
 
 static struct gprs_bssgp_pcu the_pcu = { 0, };

src/gprs_bssgp_pcu.h

@@ -42,6 +42,8 @@ struct bssgp_bvc_ctx *btsctx_alloc(uint16_t bvci, uint16_t nsei);
 #define NS_HDR_LEN 4
 #define IE_LLC_PDU 14
 
+struct gprs_rlcmac_bts;
+
 struct gprs_bssgp_pcu {
 	struct gprs_nsvc *nsvc;
 	struct bssgp_bvc_ctx *bctx;

src/gprs_rlcmac.cpp

@@ -22,6 +22,7 @@
 #include <gprs_bssgp_pcu.h>
 #include <pcu_l1_if.h>
 #include <gprs_rlcmac.h>
+#include <bts.h>
 #include <tbf.h>
 
 

src/gprs_rlcmac.h

@@ -41,58 +41,9 @@ extern "C" {
  */
 //#define DEBUG_DL_ASS_IDLE
 
-/*
- * PDCH instanc
- */
 
 struct gprs_rlcmac_tbf;
 
-struct gprs_rlcmac_pdch {
-	uint8_t enable; /* TS is enabled */
-	uint8_t tsc; /* TSC of this slot */
-	uint8_t next_ul_tfi; /* next uplink TBF/TFI to schedule (0..31) */
-	uint8_t next_dl_tfi; /* next downlink TBF/TFI to schedule (0..31) */
-	struct gprs_rlcmac_tbf *ul_tbf[32]; /* array of UL TBF, by UL TFI */
-	struct gprs_rlcmac_tbf *dl_tbf[32]; /* array of DL TBF, by DL TFI */
-	struct llist_head paging_list; /* list of paging messages */
-	uint32_t last_rts_fn; /* store last frame number of RTS */
-};
-
-struct gprs_rlcmac_trx {
-	void *fl1h;
-	uint16_t arfcn;
-	struct gprs_rlcmac_pdch pdch[8];
-	struct gprs_rlcmac_tbf *ul_tbf[32]; /* array of UL TBF, by UL TFI */
-	struct gprs_rlcmac_tbf *dl_tbf[32]; /* array of DL TBF, by DL TFI */
-};
-
-struct gprs_rlcmac_bts {
-	uint8_t bsic;
-	uint8_t fc_interval;
-	uint8_t cs1;
-	uint8_t cs2;
-	uint8_t cs3;
-	uint8_t cs4;
-	uint8_t initial_cs_dl, initial_cs_ul;
-	uint8_t force_cs;	/* 0=use from BTS 1=use from VTY */
-	uint16_t force_llc_lifetime; /* overrides lifetime from SGSN */
-	uint8_t t3142;
-	uint8_t t3169;
-	uint8_t t3191;
-	uint16_t t3193_msec;
-	uint8_t t3195;
-	uint8_t n3101;
-	uint8_t n3103;
-	uint8_t n3105;
-	struct gprs_rlcmac_trx trx[8];
-	int (*alloc_algorithm)(struct gprs_rlcmac_bts *bts,
-		struct gprs_rlcmac_tbf *old_tbf,
-		struct gprs_rlcmac_tbf *tbf, uint32_t cust, uint8_t single);
-	uint32_t alloc_algorithm_curst; /* options to customize algorithm */
-	uint8_t force_two_phase;
-	uint8_t alpha, gamma;
-};
-
 extern struct gprs_rlcmac_bts *gprs_rlcmac_bts;
 
 #ifdef __cplusplus

src/gprs_rlcmac_data.cpp

@@ -21,6 +21,7 @@
 #include <gprs_bssgp_pcu.h>
 #include <gprs_rlcmac.h>
 #include <pcu_l1_if.h>
+#include <bts.h>
 #include <tbf.h>
 
 extern void *tall_pcu_ctx;

src/gprs_rlcmac_sched.cpp

@@ -20,6 +20,7 @@
 #include <gprs_bssgp_pcu.h>
 #include <gprs_rlcmac.h>
 #include <pcu_l1_if.h>
+#include <bts.h>
 #include <tbf.h>
 
 static uint32_t sched_poll(uint8_t trx, uint8_t ts, uint32_t fn, uint8_t block_nr,

src/pcu_l1_if.cpp

@@ -37,6 +37,7 @@ extern "C" {
 #include <gprs_debug.h>
 #include <gprs_bssgp_pcu.h>
 #include <pcuif_proto.h>
+#include <bts.h>
 #include <tbf.h>
 
 // FIXME: move this, when changed from c++ to c.

src/pcu_main.cpp

@@ -27,6 +27,7 @@
 #include <getopt.h>
 #include <signal.h>
 #include <sched.h>
+#include <bts.h>
 extern "C" {
 #include "pcu_vty.h"
 #include <osmocom/vty/telnet_interface.h>

src/pcu_vty.c

@@ -6,6 +6,7 @@
 #include <osmocom/core/linuxlist.h>
 #include "pcu_vty.h"
 #include "gprs_rlcmac.h"
+#include "bts.h"
 
 enum node_type pcu_vty_go_parent(struct vty *vty)
 {

src/tbf.cpp

@@ -19,6 +19,7 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 
+#include <bts.h>
 #include <tbf.h>
 #include <gprs_rlcmac.h>
 #include <gprs_debug.h>

src/tbf.h

@@ -19,6 +19,7 @@
 #pragma once
 
 #include "gprs_rlcmac.h"
+#include "bts.h"
 
 #include <stdint.h>
 

tests/emu/pcu_emu.cpp

@@ -29,6 +29,7 @@ extern "C" {
 
 #include <gprs_bssgp_pcu.h>
 #include <gprs_rlcmac.h>
+#include <bts.h>
 
 #include <stdlib.h>
 #include <sys/types.h>