Convert gprs_bssgp_pcu.cpp to C
There's no real use of C++ in that file, and it causes problems when
using llist_head entry macros in future patches adding initial support
for multiple BTS in PCU object, so let's move it to plain C.
Change-Id: Ic771a89fd78b5e66151a5384f0ff6a8895589466
diff --git a/src/Makefile.am b/src/Makefile.am
index 05fac55..60f05a5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -42,7 +42,7 @@
gprs_debug.cpp \
csn1.c \
gsm_rlcmac.c \
- gprs_bssgp_pcu.cpp \
+ gprs_bssgp_pcu.c \
gprs_rlcmac.cpp \
gprs_rlcmac_sched.cpp \
gprs_rlcmac_meas.cpp \
diff --git a/src/decoding.cpp b/src/decoding.cpp
index 0437994..e40496d 100644
--- a/src/decoding.cpp
+++ b/src/decoding.cpp
@@ -291,7 +291,7 @@
return num_chunks;
}
-uint8_t Decoding::get_ms_class_by_capability(MS_Radio_Access_capability_t *cap)
+uint8_t get_ms_class_by_capability(MS_Radio_Access_capability_t *cap)
{
int i;
@@ -306,7 +306,7 @@
return 0;
}
-uint8_t Decoding::get_egprs_ms_class_by_capability(MS_Radio_Access_capability_t *cap)
+uint8_t get_egprs_ms_class_by_capability(MS_Radio_Access_capability_t *cap)
{
int i;
diff --git a/src/decoding.h b/src/decoding.h
index 23d3e17..28af3c4 100644
--- a/src/decoding.h
+++ b/src/decoding.h
@@ -19,16 +19,23 @@
*/
#pragma once
+#ifdef __cplusplus
extern "C" {
-#include "gsm_rlcmac.h"
-}
+#endif
-#include "rlc.h"
+#include "gsm_rlcmac.h"
+#include "coding_scheme.h"
+
+#ifdef __cplusplus
+}
+#endif
#include <stdint.h>
struct bitvec;
+#ifdef __cplusplus
+
class Decoding {
public:
/* represents (parts) LLC PDUs within one RLC Data block */
@@ -42,8 +49,6 @@
const struct gprs_rlc_data_block_info *rdbi,
enum CodingScheme cs, const uint8_t *data, RlcData *chunks,
unsigned int chunks_size, uint32_t *tlli);
- static uint8_t get_ms_class_by_capability(MS_Radio_Access_capability_t *cap);
- static uint8_t get_egprs_ms_class_by_capability(MS_Radio_Access_capability_t *cap);
static void extract_rbb(const uint8_t *rbb, char *extracted_rbb);
static void extract_rbb(const struct bitvec *rbb, char *show_rbb);
@@ -82,3 +87,16 @@
bitvec *bits, int *bsn_begin, int *bsn_end,
gprs_rlc_dl_window *window);
};
+
+#endif /* #ifdef __cplusplus */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint8_t get_ms_class_by_capability(MS_Radio_Access_capability_t *cap);
+uint8_t get_egprs_ms_class_by_capability(MS_Radio_Access_capability_t *cap);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/gprs_bssgp_pcu.cpp b/src/gprs_bssgp_pcu.c
similarity index 97%
rename from src/gprs_bssgp_pcu.cpp
rename to src/gprs_bssgp_pcu.c
index 997cb1b..288bc45 100644
--- a/src/gprs_bssgp_pcu.cpp
+++ b/src/gprs_bssgp_pcu.c
@@ -28,14 +28,15 @@
#include <pdch.h>
#include <decoding.h>
-extern "C" {
- #include <osmocom/gsm/protocol/gsm_23_003.h>
- #include <osmocom/gprs/protocol/gsm_08_16.h>
- #include <osmocom/core/utils.h>
- #include <osmocom/gsm/gsm48.h>
- #include "coding_scheme.h"
- #include "tbf_dl.h"
-}
+#include <osmocom/gprs/gprs_ns2.h>
+#include <osmocom/gsm/protocol/gsm_23_003.h>
+#include <osmocom/gprs/protocol/gsm_08_16.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/gsm/gsm48.h>
+#include "coding_scheme.h"
+#include "tbf_dl.h"
+#include "llc.h"
+#include "gprs_rlcmac.h"
/* Tuning parameters for BSSGP flow control */
#define FC_DEFAULT_LIFE_TIME_SECS 10 /* experimental value, 10s */
@@ -55,7 +56,7 @@
static int parse_ra_cap(struct tlv_parsed *tp, MS_Radio_Access_capability_t *rac)
{
- bitvec *block;
+ struct bitvec *block;
uint8_t cap_len;
uint8_t *cap;
@@ -132,9 +133,8 @@
/* parse ms radio access capability */
if (parse_ra_cap(tp, &rac) >= 0) {
/* Get the EGPRS class from the RA capability */
- ms_class = Decoding::get_ms_class_by_capability(&rac);
- egprs_ms_class =
- Decoding::get_egprs_ms_class_by_capability(&rac);
+ ms_class = get_ms_class_by_capability(&rac);
+ egprs_ms_class = get_egprs_ms_class_by_capability(&rac);
LOGP(DBSSGP, LOGL_DEBUG, "Got downlink MS class %d/%d\n",
ms_class, egprs_ms_class);
}
@@ -166,7 +166,7 @@
LOGP(DBSSGP, LOGL_INFO, "LLC [SGSN -> PCU] = TLLI: 0x%08x IMSI: %s len: %d\n", tlli, mi_imsi.imsi, len);
- return gprs_rlcmac_dl_tbf::handle(the_pcu->bssgp.bts, tlli, tlli_old, mi_imsi.imsi,
+ return dl_tbf_handle(the_pcu->bssgp.bts, tlli, tlli_old, mi_imsi.imsi,
ms_class, egprs_ms_class, delay_csec, data, len);
}
@@ -620,7 +620,7 @@
LOGP(DPCU, LOGL_DEBUG,
"NS: %s Unknown prim %s / %d from NS\n",
get_value_string(osmo_prim_op_names, oph->operation),
- gprs_ns2_prim_str((gprs_ns2_prim) oph->primitive), oph->primitive);
+ gprs_ns2_prim_str((enum gprs_ns2_prim) oph->primitive), oph->primitive);
break;
}
@@ -654,7 +654,7 @@
for (ts_no = 0; ts_no < ARRAY_SIZE(trx->pdch); ++ts_no) {
const struct gprs_rlcmac_pdch *pdch = &trx->pdch[ts_no];
- if (pdch->is_enabled())
+ if (pdch->m_is_enabled)
num_pdch += 1;
}
}
@@ -853,7 +853,7 @@
if (ms_leak_rate == 0) {
int ms_num_pdch;
- int max_pdch = gprs_alloc_max_dl_slots_per_ms(bts);
+ int max_pdch = gprs_alloc_max_dl_slots_per_ms(bts, 0);
if (num_pdch < 0)
num_pdch = count_pdch(bts);
@@ -1029,8 +1029,9 @@
static int ns_conf_vc_cb(struct gprs_ns2_vc *nsvc, void *ctx)
{
struct nsvc_cb *data = (struct nsvc_cb *) ctx;
+ unsigned int i;
- for (unsigned int i = 0; i < PCU_IF_NUM_NSVC; i++) {
+ for (i = 0; i < PCU_IF_NUM_NSVC; i++) {
if (!(data->valid & (1 << i)))
continue;
if (data->found & (1 << i))
@@ -1070,7 +1071,8 @@
} else if (the_pcu->vty.ns_dialect == NS2_DIALECT_SNS) {
/* SNS: check if the initial nsvc is the same, if not recreate it */
const struct osmo_sockaddr *initial = gprs_ns2_nse_sns_remote(bts->nse);
- for (unsigned int i = 0; i < PCU_IF_NUM_NSVC; i++) {
+ unsigned int i;
+ for (i = 0; i < PCU_IF_NUM_NSVC; i++) {
if (!(valid & (1 << i)))
continue;
diff --git a/src/gprs_bssgp_pcu.h b/src/gprs_bssgp_pcu.h
index 080893f..df22541 100644
--- a/src/gprs_bssgp_pcu.h
+++ b/src/gprs_bssgp_pcu.h
@@ -21,7 +21,6 @@
#ifndef GPRS_BSSGP_PCU_H
#define GPRS_BSSGP_PCU_H
-
#ifdef __cplusplus
extern "C" {
#endif
@@ -40,6 +39,7 @@
#include <gprs_debug.h>
#include <time.h>
+#include <unistd.h>
#define QOS_PROFILE 4
#define BSSGP_HDR_LEN 53
diff --git a/src/gprs_rlcmac.h b/src/gprs_rlcmac.h
index d779d08..a5d1d30 100644
--- a/src/gprs_rlcmac.h
+++ b/src/gprs_rlcmac.h
@@ -22,16 +22,20 @@
#define GPRS_RLCMAC_H
#include <stdbool.h>
+#include <stdint.h>
-#ifdef __cplusplus
#include <pcu_l1_if.h>
+#ifdef __cplusplus
extern "C" {
+#endif
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/bitvec.h>
+#include <osmocom/gsm/gsm48.h>
#include <osmocom/pcu/pcuif_proto.h>
#include "gsm_rlcmac.h"
+#ifdef __cplusplus
}
#endif
@@ -92,17 +96,12 @@
int gprs_rlcmac_tx_ul_ud(gprs_rlcmac_tbf *tbf);
-int gprs_rlcmac_paging_request(const struct osmo_mobile_identity *mi, uint16_t pgroup);
-
struct msgb *gprs_rlcmac_app_info_msg(const struct gsm_pcu_if_app_info_req *req);
int gprs_rlcmac_rcv_rts_block(struct gprs_rlcmac_bts *bts,
uint8_t trx, uint8_t ts,
uint32_t fn, uint8_t block_nr);
-int gprs_alloc_max_dl_slots_per_ms(const struct gprs_rlcmac_bts *bts,
- uint8_t ms_class = 0);
-
extern "C" {
#endif
int alloc_algorithm_a(struct gprs_rlcmac_bts *bts, struct GprsMs *ms, struct gprs_rlcmac_tbf *tbf, bool single,
@@ -113,8 +112,12 @@
int alloc_algorithm_dynamic(struct gprs_rlcmac_bts *bts, struct GprsMs *ms, struct gprs_rlcmac_tbf *tbf, bool single,
int8_t use_trx);
+
+int gprs_rlcmac_paging_request(const struct osmo_mobile_identity *mi, uint16_t pgroup);
+int gprs_alloc_max_dl_slots_per_ms(const struct gprs_rlcmac_bts *bts, uint8_t ms_class);
#ifdef __cplusplus
}
#endif
+
#endif // GPRS_RLCMAC_H
diff --git a/src/pdch.cpp b/src/pdch.cpp
index 9dd4072..c48c63f 100644
--- a/src/pdch.cpp
+++ b/src/pdch.cpp
@@ -596,8 +596,8 @@
if (request->Exist_MS_Radio_Access_capability2) {
uint8_t ms_class, egprs_ms_class;
- ms_class = Decoding::get_ms_class_by_capability(&request->MS_Radio_Access_capability2);
- egprs_ms_class = Decoding::get_egprs_ms_class_by_capability(&request->MS_Radio_Access_capability2);
+ ms_class = get_ms_class_by_capability(&request->MS_Radio_Access_capability2);
+ egprs_ms_class = get_egprs_ms_class_by_capability(&request->MS_Radio_Access_capability2);
if (ms_class)
ms_set_ms_class(ms, ms_class);
if (egprs_ms_class)
diff --git a/src/rlc.h b/src/rlc.h
index eb79430..187a70e 100644
--- a/src/rlc.h
+++ b/src/rlc.h
@@ -18,13 +18,17 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#pragma once
-
+#ifdef __cplusplus
extern "C" {
-#include "coding_scheme.h"
-}
+#endif
+#include "coding_scheme.h"
#include <osmocom/core/endian.h>
+#ifdef __cplusplus
+}
+#endif
+
#include <stdint.h>
#include <string.h>
diff --git a/src/tbf_dl.cpp b/src/tbf_dl.cpp
index 962c31d..87c897f 100644
--- a/src/tbf_dl.cpp
+++ b/src/tbf_dl.cpp
@@ -278,11 +278,11 @@
/**
* TODO: split into unit test-able parts...
*/
-int gprs_rlcmac_dl_tbf::handle(struct gprs_rlcmac_bts *bts,
- const uint32_t tlli, const uint32_t tlli_old, const char *imsi,
- uint8_t ms_class, uint8_t egprs_ms_class,
- const uint16_t delay_csec,
- const uint8_t *data, const uint16_t len)
+int dl_tbf_handle(struct gprs_rlcmac_bts *bts,
+ const uint32_t tlli, const uint32_t tlli_old, const char *imsi,
+ uint8_t ms_class, uint8_t egprs_ms_class,
+ const uint16_t delay_csec,
+ const uint8_t *data, const uint16_t len)
{
struct gprs_rlcmac_dl_tbf *dl_tbf = NULL;
int rc;
diff --git a/src/tbf_dl.h b/src/tbf_dl.h
index e29bb3f..58d863b 100644
--- a/src/tbf_dl.h
+++ b/src/tbf_dl.h
@@ -23,6 +23,8 @@
#include "tbf.h"
+#include <stdint.h>
+
/*
* TBF instance
*/
@@ -42,12 +44,6 @@
gprs_rlcmac_dl_tbf(struct gprs_rlcmac_bts *bts, GprsMs *ms);
gprs_rlc_window *window();
void cleanup();
- /* dispatch Unitdata.DL messages */
- static int handle(struct gprs_rlcmac_bts *bts,
- const uint32_t tlli, const uint32_t old_tlli,
- const char *imsi, const uint8_t ms_class,
- const uint8_t egprs_ms_class, const uint16_t delay_csec,
- const uint8_t *data, const uint16_t len);
int append_data(uint16_t pdu_delay_csec,
const uint8_t *data, uint16_t len);
@@ -151,7 +147,16 @@
#ifdef __cplusplus
extern "C" {
#endif
+struct gprs_rlcmac_bts;
+
struct gprs_rlcmac_dl_tbf *as_dl_tbf(struct gprs_rlcmac_tbf *tbf);
+/* dispatch Unitdata.DL messages */
+int dl_tbf_handle(struct gprs_rlcmac_bts *bts,
+ const uint32_t tlli, const uint32_t old_tlli,
+ const char *imsi, const uint8_t ms_class,
+ const uint8_t egprs_ms_class, const uint16_t delay_csec,
+ const uint8_t *data, const uint16_t len);
+
#ifdef __cplusplus
}
#endif