Changes RLC/MAC code from C++ to C
This commit is contained in:
parent
fc1dfd8eef
commit
31dcbb67e1
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@ -24,25 +24,25 @@ AM_CXXFLAGS = -Wall -ldl -pthread
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noinst_LTLIBRARIES = libgprs.la
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libgprs_la_SOURCES = \
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gprs_debug.cpp \
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gprs_debug.c \
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csn1.cpp \
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gsm_rlcmac.cpp \
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gsm_rlcmac.c \
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gprs_bssgp_pcu.cpp \
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gprs_rlcmac.cpp \
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gprs_rlcmac_data.cpp \
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gprs_rlcmac.c \
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gprs_rlcmac_data.c \
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gprs_rlcmac_ctrl.cpp \
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gprs_rlcmac_sched.cpp \
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gsm_timer.cpp \
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gprs_rlcmac_sched.c \
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gsm_timer.c \
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bitvector.cpp \
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pcu_l1_if.cpp \
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pcu_l1_if.c \
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pcu_vty.c
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if ENABLE_SYSMOBTS
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libgprs_la_SOURCES += \
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sysmo_sock.cpp
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sysmo_sock.c
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else
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libgprs_la_SOURCES += \
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openbts_sock.cpp
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openbts_sock.c
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endif
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noinst_PROGRAMS = \
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@ -57,6 +57,7 @@ noinst_HEADERS = \
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gsm_rlcmac.h \
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gprs_bssgp_pcu.h \
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gprs_rlcmac.h \
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gprs_rlcmac_ctrl.h \
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pcuif_proto.h \
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pcu_l1_if.h \
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gsm_timer.h \
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@ -33,7 +33,9 @@
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#include <assert.h>
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#include <string.h>
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#include "csn1.h"
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extern "C" {
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#include <gprs_debug.h>
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}
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#define pvDATA(_pv, _offset) ((void*) ((unsigned char*)_pv + _offset))
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@ -1,4 +1,4 @@
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/* gprs_bssgp_pcu.cpp
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/* gprs_bssgp_pcu.c
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*
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* Copyright (C) 2012 Ivan Klyuchnikov
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*
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@ -17,9 +17,13 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdint.h>
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#include <bitvector.h>
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extern "C" {
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#include <gprs_rlcmac.h>
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#include <gprs_bssgp_pcu.h>
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#include <pcu_l1_if.h>
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}
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struct sgsn_instance *sgsn;
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void *tall_bsc_ctx;
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@ -21,7 +21,6 @@
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#define GPRS_BSSGP_PCU_H
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extern "C" {
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/logging.h>
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@ -36,7 +35,6 @@ int bssgp_tx_bvc_reset(struct bssgp_bvc_ctx *bctx, uint16_t bvci, uint8_t cause)
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int bssgp_tx_ul_ud(struct bssgp_bvc_ctx *bctx, uint32_t tlli, const uint8_t *qos_profile, struct msgb *llc_pdu);
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struct bssgp_bvc_ctx *btsctx_alloc(uint16_t bvci, uint16_t nsei);
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}
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#include <gprs_debug.h>
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#define QOS_PROFILE 0
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@ -1,4 +1,4 @@
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/* gprs_debug.cpp
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/* gprs_debug.c
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*
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* Copyright (C) 2012 Ivan Klyuchnikov
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*
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@ -21,10 +21,9 @@
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#define GPRS_DEBUG_H
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#include <stdio.h>
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extern "C" {
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/logging.h>
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};
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/* Debug Areas of the code */
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enum {
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DCSN1,
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@ -73,7 +73,7 @@ struct gprs_ms_multislot_class gprs_ms_multislot_class[32] = {
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LLIST_HEAD(gprs_rlcmac_ul_tbfs);
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LLIST_HEAD(gprs_rlcmac_dl_tbfs);
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llist_head *gprs_rlcmac_tbfs_lists[] = {
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struct llist_head *gprs_rlcmac_tbfs_lists[] = {
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&gprs_rlcmac_ul_tbfs,
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&gprs_rlcmac_dl_tbfs,
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NULL
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@ -1047,7 +1047,7 @@ struct gprs_rlcmac_paging *gprs_rlcmac_dequeue_paging(
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}
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/* Send Uplink unit-data to SGSN. */
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int gprs_rlcmac_tx_ul_ud(gprs_rlcmac_tbf *tbf)
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int gprs_rlcmac_tx_ul_ud(struct gprs_rlcmac_tbf *tbf)
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{
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const uint8_t qos_profile = QOS_PROFILE;
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struct msgb *llc_pdu;
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@ -20,15 +20,8 @@
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#ifndef GPRS_RLCMAC_H
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#define GPRS_RLCMAC_H
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#ifdef __cplusplus
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#include <gsm_rlcmac.h>
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#include <gsm_timer.h>
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extern "C" {
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/timer.h>
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}
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#endif
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/* This special feature will delay assignment of downlink TBF by one second,
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* in case there is already a TBF.
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@ -82,7 +75,6 @@ struct gprs_rlcmac_bts {
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extern struct gprs_rlcmac_bts *gprs_rlcmac_bts;
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#ifdef __cplusplus
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/*
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* TBF instance
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*/
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@ -196,7 +188,7 @@ struct gprs_rlcmac_tbf {
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unsigned int T; /* Txxxx number */
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unsigned int num_T_exp; /* number of consecutive T expirations */
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struct osmo_gsm_timer_list gsm_timer;
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// struct osmo_gsm_timer_list gsm_timer;
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unsigned int fT; /* fTxxxx number */
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unsigned int num_fT_exp; /* number of consecutive fT expirations */
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@ -256,7 +248,7 @@ enum gprs_rlcmac_block_type {
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int gprs_rlcmac_rcv_block(uint8_t trx, uint8_t ts, uint8_t *data, uint8_t len,
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uint32_t fn);
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int gprs_rlcmac_tx_ul_ud(gprs_rlcmac_tbf *tbf);
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int gprs_rlcmac_tx_ul_ud(struct gprs_rlcmac_tbf *tbf);
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void tbf_timer_cb(void *_tbf);
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@ -264,8 +256,8 @@ int gprs_rlcmac_poll_timeout(struct gprs_rlcmac_tbf *tbf);
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int gprs_rlcmac_rcv_rach(uint8_t ra, uint32_t Fn, int16_t qta);
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int gprs_rlcmac_rcv_control_block(uint8_t trx, uint8_t ts, uint32_t fn,
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uint8_t *data, uint8_t len);
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int gprs_rlcmac_rcv_control_ack(uint8_t trx, uint8_t ts, uint32_t fn,
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uint32_t tlli);
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int gprs_rlcmac_rcv_downlink_ack(uint8_t trx, uint8_t ts, uint32_t fn, uint16_t tfi, uint8_t final, uint8_t ssn, uint8_t *rbb, uint8_t request);
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@ -298,18 +290,10 @@ int gprs_rlcmac_add_paging(uint8_t chan_needed, uint8_t *identity_lv);
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struct gprs_rlcmac_paging *gprs_rlcmac_dequeue_paging(
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struct gprs_rlcmac_pdch *pdch);
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struct msgb *gprs_rlcmac_send_packet_paging_request(
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struct gprs_rlcmac_pdch *pdch);
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extern "C" {
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#endif
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int alloc_algorithm_a(struct gprs_rlcmac_tbf *old_tbf,
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struct gprs_rlcmac_tbf *tbf, uint32_t cust);
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int alloc_algorithm_b(struct gprs_rlcmac_tbf *old_tbf,
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struct gprs_rlcmac_tbf *tbf, uint32_t cust);
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#ifdef __cplusplus
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}
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#endif
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#endif // GPRS_RLCMAC_H
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@ -0,0 +1,662 @@
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/* gprs_rlcmac_ctrl.cpp
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*
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* Copyright (C) 2012 Ivan Klyuchnikov
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* Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <errno.h>
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#include <arpa/inet.h>
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#include "bitvector.h"
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#include "gsm_rlcmac.h"
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extern "C" {
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/talloc.h>
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#include "gprs_debug.h"
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#include "gprs_rlcmac.h"
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}
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#include "gprs_rlcmac_ctrl.h"
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extern void *tall_pcu_ctx;
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// GSM 04.08 9.1.18 Immediate assignment
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static uint8_t write_immediate_assignment(bitvec * dest, uint8_t downlink,
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uint8_t ra, uint32_t fn, uint8_t ta, uint16_t arfcn, uint8_t ts,
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uint8_t tsc, uint8_t tfi, uint8_t usf, uint32_t tlli, uint8_t polling,
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uint32_t poll_fn)
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{
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unsigned wp = 0;
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uint8_t plen;
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bitvec_write_field(dest, wp,0x0,4); // Skip Indicator
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bitvec_write_field(dest, wp,0x6,4); // Protocol Discriminator
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bitvec_write_field(dest, wp,0x3F,8); // Immediate Assignment Message Type
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// 10.5.2.25b Dedicated mode or TBF
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bitvec_write_field(dest, wp,0x0,1); // spare
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bitvec_write_field(dest, wp,0x0,1); // TMA : Two-message assignment: No meaning
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bitvec_write_field(dest, wp,downlink,1); // Downlink : Downlink assignment to mobile in packet idle mode
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bitvec_write_field(dest, wp,0x1,1); // T/D : TBF or dedicated mode: this message assigns a Temporary Block Flow (TBF).
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bitvec_write_field(dest, wp,0x0,4); // Page Mode
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// GSM 04.08 10.5.2.25a Packet Channel Description
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bitvec_write_field(dest, wp,0x1,5); // Channel type
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bitvec_write_field(dest, wp,ts,3); // TN
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bitvec_write_field(dest, wp,tsc,3); // TSC
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bitvec_write_field(dest, wp,0x0,3); // non-hopping RF channel configuraion
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bitvec_write_field(dest, wp,arfcn,10); // ARFCN
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//10.5.2.30 Request Reference
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bitvec_write_field(dest, wp,ra,8); // RA
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bitvec_write_field(dest, wp,(fn / (26 * 51)) % 32,5); // T1'
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bitvec_write_field(dest, wp,fn % 51,6); // T3
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bitvec_write_field(dest, wp,fn % 26,5); // T2
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// 10.5.2.40 Timing Advance
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bitvec_write_field(dest, wp,0x0,2); // spare
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bitvec_write_field(dest, wp,ta,6); // Timing Advance value
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// No mobile allocation in non-hopping systems.
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// A zero-length LV. Just write L=0.
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bitvec_write_field(dest, wp,0,8);
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if ((wp % 8)) {
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LOGP(DRLCMACUL, LOGL_ERROR, "Length of IMM.ASS without rest "
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"octets is not multiple of 8 bits, PLEASE FIX!\n");
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exit (0);
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}
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plen = wp / 8;
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if (downlink)
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{
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// GSM 04.08 10.5.2.16 IA Rest Octets
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bitvec_write_field(dest, wp, 3, 2); // "HH"
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bitvec_write_field(dest, wp, 1, 2); // "01" Packet Downlink Assignment
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bitvec_write_field(dest, wp,tlli,32); // TLLI
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bitvec_write_field(dest, wp,0x1,1); // switch TFI : on
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bitvec_write_field(dest, wp,tfi,5); // TFI
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bitvec_write_field(dest, wp,0x0,1); // RLC acknowledged mode
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bitvec_write_field(dest, wp,0x0,1); // ALPHA = not present
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bitvec_write_field(dest, wp,0x0,5); // GAMMA power control parameter
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bitvec_write_field(dest, wp,polling,1); // Polling Bit
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bitvec_write_field(dest, wp,!polling,1); // TA_VALID ???
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bitvec_write_field(dest, wp,0x1,1); // switch TIMING_ADVANCE_INDEX = on
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bitvec_write_field(dest, wp,0x0,4); // TIMING_ADVANCE_INDEX
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if (polling) {
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bitvec_write_field(dest, wp,0x1,1); // TBF Starting TIME present
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bitvec_write_field(dest, wp,(poll_fn / (26 * 51)) % 32,5); // T1'
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bitvec_write_field(dest, wp,poll_fn % 51,6); // T3
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bitvec_write_field(dest, wp,poll_fn % 26,5); // T2
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} else {
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bitvec_write_field(dest, wp,0x0,1); // TBF Starting TIME present
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}
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bitvec_write_field(dest, wp,0x0,1); // P0 not present
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// bitvec_write_field(dest, wp,0x1,1); // P0 not present
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// bitvec_write_field(dest, wp,0xb,4);
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}
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else
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{
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struct gprs_rlcmac_bts *bts = gprs_rlcmac_bts;
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// GMS 04.08 10.5.2.37b 10.5.2.16
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bitvec_write_field(dest, wp, 3, 2); // "HH"
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bitvec_write_field(dest, wp, 0, 2); // "0" Packet Uplink Assignment
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bitvec_write_field(dest, wp, 1, 1); // Block Allocation : Not Single Block Allocation
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bitvec_write_field(dest, wp, tfi, 5); // TFI_ASSIGNMENT Temporary Flow Identity
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bitvec_write_field(dest, wp, 0, 1); // POLLING
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bitvec_write_field(dest, wp, 0, 1); // ALLOCATION_TYPE: dynamic
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bitvec_write_field(dest, wp, usf, 3); // USF
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bitvec_write_field(dest, wp, 0, 1); // USF_GRANULARITY
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bitvec_write_field(dest, wp, 0 , 1); // "0" power control: Not Present
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bitvec_write_field(dest, wp, bts->initial_cs-1, 2); // CHANNEL_CODING_COMMAND
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bitvec_write_field(dest, wp, 1, 1); // TLLI_BLOCK_CHANNEL_CODING
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bitvec_write_field(dest, wp, 1 , 1); // "1" Alpha : Present
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bitvec_write_field(dest, wp, 0, 4); // Alpha
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bitvec_write_field(dest, wp, 0, 5); // Gamma
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bitvec_write_field(dest, wp, 0, 1); // TIMING_ADVANCE_INDEX_FLAG
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bitvec_write_field(dest, wp, 0, 1); // TBF_STARTING_TIME_FLAG
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}
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return plen;
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}
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extern "C"
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int write_immediate_assignment_uplink(uint8_t *data, uint8_t ra, uint32_t fn,
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uint8_t ta, uint16_t arfcn, uint8_t ts, uint8_t tsc, uint8_t tfi,
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uint8_t usf, uint8_t polling, uint32_t poll_fn)
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{
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bitvec *ass_vec;
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uint8_t plen;
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ass_vec = bitvec_alloc(22); /* without plen */
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if (!ass_vec)
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return -ENOMEM;
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bitvec_unhex(ass_vec, "2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b");
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plen = write_immediate_assignment(ass_vec, 0, ra, fn, ta, arfcn,
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ts, tsc, tfi, usf, 0, polling, poll_fn);
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bitvec_pack(ass_vec, data + 1);
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data[0] = (plen << 2) | 0x01;
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bitvec_free(ass_vec);
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return 0;
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}
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extern "C"
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int write_immediate_assignment_downlink(uint8_t *data, uint8_t ra, uint32_t fn,
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uint8_t ta, uint16_t arfcn, uint8_t ts, uint8_t tsc, uint8_t tfi,
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uint32_t tlli, uint8_t polling, uint32_t poll_fn)
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{
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bitvec *ass_vec;
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uint8_t plen;
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ass_vec = bitvec_alloc(22); /* without plen */
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if (!ass_vec)
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return -ENOMEM;
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bitvec_unhex(ass_vec, "2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b");
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plen = write_immediate_assignment(ass_vec, 1, ra, fn, ta, arfcn,
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ts, tsc, tfi, 0, tlli, polling, poll_fn);
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bitvec_pack(ass_vec, data + 1);
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data[0] = (plen << 2) | 0x01;
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bitvec_free(ass_vec);
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return 0;
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}
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/* generate uplink assignment */
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extern "C"
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struct msgb *write_packet_uplink_assignment(uint8_t old_tfi,
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uint8_t old_downlink, uint32_t tlli, uint8_t use_tlli,
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struct gprs_rlcmac_tbf *tbf, uint8_t poll)
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{
|
||||
// TODO We should use our implementation of encode RLC/MAC Control messages.
|
||||
struct gprs_rlcmac_bts *bts = gprs_rlcmac_bts;
|
||||
unsigned wp = 0;
|
||||
uint8_t ts;
|
||||
struct msgb *msg;
|
||||
bitvec *ass_vec;
|
||||
RlcMacDownlink_t *block;
|
||||
|
||||
msg = msgb_alloc(23, "rlcmac_ul_ass");
|
||||
if (!msg)
|
||||
return NULL;
|
||||
ass_vec = bitvec_alloc(23);
|
||||
if (!ass_vec) {
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
bitvec_unhex(ass_vec,
|
||||
"2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b");
|
||||
block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t);
|
||||
if (!block) {
|
||||
bitvec_free(ass_vec);
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x1,2); // Payload Type
|
||||
bitvec_write_field(ass_vec, wp,0x0,2); // Uplink block with TDMA framenumber (N+13)
|
||||
bitvec_write_field(ass_vec, wp,poll,1); // Suppl/Polling Bit
|
||||
bitvec_write_field(ass_vec, wp,0x0,3); // Uplink state flag
|
||||
bitvec_write_field(ass_vec, wp,0xa,6); // MESSAGE TYPE
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x0,2); // Page Mode
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // switch PERSIST_LEVEL: off
|
||||
if (use_tlli) {
|
||||
bitvec_write_field(ass_vec, wp,0x2,2); // switch TLLI : on
|
||||
bitvec_write_field(ass_vec, wp,tlli,32); // TLLI
|
||||
} else {
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // switch TFI : on
|
||||
bitvec_write_field(ass_vec, wp,old_downlink,1); // 0=UPLINK TFI, 1=DL TFI
|
||||
bitvec_write_field(ass_vec, wp,old_tfi,5); // TFI
|
||||
}
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // Message escape
|
||||
bitvec_write_field(ass_vec, wp,bts->initial_cs-1, 2); // CHANNEL_CODING_COMMAND
|
||||
bitvec_write_field(ass_vec, wp,0x1,1); // TLLI_BLOCK_CHANNEL_CODING
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x1,1); // switch TIMING_ADVANCE_VALUE = on
|
||||
bitvec_write_field(ass_vec, wp,tbf->ta,6); // TIMING_ADVANCE_VALUE
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // switch TIMING_ADVANCE_INDEX = off
|
||||
|
||||
#if 1
|
||||
bitvec_write_field(ass_vec, wp,0x1,1); // Frequency Parameters information elements = present
|
||||
bitvec_write_field(ass_vec, wp,tbf->tsc,3); // Training Sequence Code (TSC)
|
||||
bitvec_write_field(ass_vec, wp,0x0,2); // ARFCN = present
|
||||
bitvec_write_field(ass_vec, wp,tbf->arfcn,10); // ARFCN
|
||||
#else
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // Frequency Parameters = off
|
||||
#endif
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x1,2); // Dynamic Allocation
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // Extended Dynamic Allocation = off
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // P0 = off
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // USF_GRANULARITY
|
||||
bitvec_write_field(ass_vec, wp,0x1,1); // switch TFI : on
|
||||
bitvec_write_field(ass_vec, wp,tbf->tfi,5);// TFI
|
||||
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); //
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // TBF Starting Time = off
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // Timeslot Allocation
|
||||
|
||||
for (ts = 0; ts < 8; ts++) {
|
||||
if (tbf->pdch[ts]) {
|
||||
bitvec_write_field(ass_vec, wp,0x1,1); // USF_TN(i): on
|
||||
bitvec_write_field(ass_vec, wp,tbf->dir.ul.usf[ts],3); // USF_TN(i)
|
||||
} else
|
||||
bitvec_write_field(ass_vec, wp,0x0,1); // USF_TN(i): off
|
||||
}
|
||||
// bitvec_write_field(ass_vec, wp,0x0,1); // Measurement Mapping struct not present
|
||||
|
||||
bitvec_pack(ass_vec, msgb_put(msg, 23));
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Uplink Assignment +++++++++++++++++++++++++\n");
|
||||
decode_gsm_rlcmac_downlink(ass_vec, block);
|
||||
LOGPC(DCSN1, LOGL_NOTICE, "\n");
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "------------------------- TX : Packet Uplink Assignment -------------------------\n");
|
||||
bitvec_free(ass_vec);
|
||||
talloc_free(block);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
|
||||
/* generate downlink assignment */
|
||||
extern "C"
|
||||
struct msgb *write_packet_downlink_assignment(uint8_t old_tfi,
|
||||
uint8_t old_downlink, struct gprs_rlcmac_tbf *tbf, uint8_t poll)
|
||||
{
|
||||
// Packet downlink assignment TS 44.060 11.2.7
|
||||
|
||||
uint8_t tn;
|
||||
struct msgb *msg;
|
||||
bitvec *ass_vec;
|
||||
RlcMacDownlink_t *block;
|
||||
|
||||
msg = msgb_alloc(23, "rlcmac_dl_ass");
|
||||
if (!msg)
|
||||
return NULL;
|
||||
ass_vec = bitvec_alloc(23);
|
||||
if (!ass_vec) {
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
bitvec_unhex(ass_vec,
|
||||
"2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b");
|
||||
block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t);
|
||||
if (!block) {
|
||||
bitvec_free(ass_vec);
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
block->PAYLOAD_TYPE = 0x1; // RLC/MAC control block that does not include the optional octets of the RLC/MAC control header
|
||||
block->RRBP = 0x0; // N+13
|
||||
block->SP = poll; // RRBP field is valid
|
||||
block->USF = 0x0; // Uplink state flag
|
||||
|
||||
block->u.Packet_Downlink_Assignment.MESSAGE_TYPE = 0x2; // Packet Downlink Assignment
|
||||
block->u.Packet_Downlink_Assignment.PAGE_MODE = 0x0; // Normal Paging
|
||||
|
||||
block->u.Packet_Downlink_Assignment.Exist_PERSISTENCE_LEVEL = 0x0; // PERSISTENCE_LEVEL: off
|
||||
|
||||
block->u.Packet_Downlink_Assignment.ID.UnionType = 0x0; // TFI = on
|
||||
block->u.Packet_Downlink_Assignment.ID.u.Global_TFI.UnionType = old_downlink; // 0=UPLINK TFI, 1=DL TFI
|
||||
block->u.Packet_Downlink_Assignment.ID.u.Global_TFI.u.UPLINK_TFI = old_tfi; // TFI
|
||||
|
||||
block->u.Packet_Downlink_Assignment.MAC_MODE = 0x0; // Dynamic Allocation
|
||||
block->u.Packet_Downlink_Assignment.RLC_MODE = 0x0; // RLC acknowledged mode
|
||||
block->u.Packet_Downlink_Assignment.CONTROL_ACK = old_downlink; // NW establishes no new DL TBF for the MS with running timer T3192
|
||||
block->u.Packet_Downlink_Assignment.TIMESLOT_ALLOCATION = 0; // timeslot(s)
|
||||
for (tn = 0; tn < 8; tn++) {
|
||||
if (tbf->pdch[tn])
|
||||
block->u.Packet_Downlink_Assignment.TIMESLOT_ALLOCATION |= 0x80 >> tn; // timeslot(s)
|
||||
}
|
||||
|
||||
block->u.Packet_Downlink_Assignment.Packet_Timing_Advance.Exist_TIMING_ADVANCE_VALUE = 0x1; // TIMING_ADVANCE_VALUE = on
|
||||
block->u.Packet_Downlink_Assignment.Packet_Timing_Advance.TIMING_ADVANCE_VALUE = tbf->ta; // TIMING_ADVANCE_VALUE
|
||||
block->u.Packet_Downlink_Assignment.Packet_Timing_Advance.Exist_IndexAndtimeSlot = 0x0; // TIMING_ADVANCE_INDEX = off
|
||||
|
||||
block->u.Packet_Downlink_Assignment.Exist_P0_and_BTS_PWR_CTRL_MODE = 0x0; // POWER CONTROL = off
|
||||
|
||||
block->u.Packet_Downlink_Assignment.Exist_Frequency_Parameters = 0x1; // Frequency Parameters = on
|
||||
block->u.Packet_Downlink_Assignment.Frequency_Parameters.TSC = tbf->tsc; // Training Sequence Code (TSC)
|
||||
block->u.Packet_Downlink_Assignment.Frequency_Parameters.UnionType = 0x0; // ARFCN = on
|
||||
block->u.Packet_Downlink_Assignment.Frequency_Parameters.u.ARFCN = tbf->arfcn; // ARFCN
|
||||
|
||||
block->u.Packet_Downlink_Assignment.Exist_DOWNLINK_TFI_ASSIGNMENT = 0x1; // DOWNLINK TFI ASSIGNMENT = on
|
||||
block->u.Packet_Downlink_Assignment.DOWNLINK_TFI_ASSIGNMENT = tbf->tfi; // TFI
|
||||
|
||||
block->u.Packet_Downlink_Assignment.Exist_Power_Control_Parameters = 0x1; // Power Control Parameters = on
|
||||
block->u.Packet_Downlink_Assignment.Power_Control_Parameters.ALPHA = 0x0; // ALPHA
|
||||
|
||||
for (tn = 0; tn < 8; tn++)
|
||||
{
|
||||
if (tbf->pdch[tn])
|
||||
{
|
||||
block->u.Packet_Downlink_Assignment.Power_Control_Parameters.Slot[tn].Exist = 0x1; // Slot[i] = on
|
||||
block->u.Packet_Downlink_Assignment.Power_Control_Parameters.Slot[tn].GAMMA_TN = 0x0; // GAMMA_TN
|
||||
}
|
||||
else
|
||||
{
|
||||
block->u.Packet_Downlink_Assignment.Power_Control_Parameters.Slot[tn].Exist = 0x0; // Slot[i] = off
|
||||
}
|
||||
}
|
||||
|
||||
block->u.Packet_Downlink_Assignment.Exist_TBF_Starting_Time = 0x0; // TBF Starting TIME = off
|
||||
block->u.Packet_Downlink_Assignment.Exist_Measurement_Mapping = 0x0; // Measurement_Mapping = off
|
||||
block->u.Packet_Downlink_Assignment.Exist_AdditionsR99 = 0x0; // AdditionsR99 = off
|
||||
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++\n");
|
||||
encode_gsm_rlcmac_downlink(ass_vec, block);
|
||||
LOGPC(DCSN1, LOGL_NOTICE, "\n");
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "------------------------- TX : Packet Downlink Assignment -------------------------\n");
|
||||
bitvec_pack(ass_vec, msgb_put(msg, 23));
|
||||
bitvec_free(ass_vec);
|
||||
talloc_free(block);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
/* generate uplink ack */
|
||||
extern "C"
|
||||
struct msgb *write_packet_uplink_ack(struct gprs_rlcmac_tbf *tbf, uint8_t final)
|
||||
{
|
||||
// Packet Uplink Ack/Nack TS 44.060 11.2.28
|
||||
|
||||
char show_v_n[65];
|
||||
|
||||
struct gprs_rlcmac_bts *bts = gprs_rlcmac_bts;
|
||||
uint8_t rbb = 0;
|
||||
uint16_t i, bbn;
|
||||
uint16_t mod_sns_half = (tbf->sns >> 1) - 1;
|
||||
char bit;
|
||||
struct msgb *msg;
|
||||
bitvec *ack_vec;
|
||||
RlcMacDownlink_t *block;
|
||||
|
||||
LOGP(DRLCMACUL, LOGL_DEBUG, "Sending Ack/Nack for TBF=%d "
|
||||
"(final=%d)\n", tbf->tfi, final);
|
||||
|
||||
msg = msgb_alloc(23, "rlcmac_ul_ack");
|
||||
if (!msg)
|
||||
return NULL;
|
||||
ack_vec = bitvec_alloc(23);
|
||||
if (!ack_vec) {
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
bitvec_unhex(ack_vec,
|
||||
"2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b");
|
||||
block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t);
|
||||
if (!block) {
|
||||
bitvec_free(ack_vec);
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
block->PAYLOAD_TYPE = 0x1; // RLC/MAC control block that does not include the optional octets of the RLC/MAC control header
|
||||
block->RRBP = 0x0; // N+13
|
||||
block->SP = final; // RRBP field is valid, if it is final ack
|
||||
block->USF = 0x0; // Uplink state flag
|
||||
|
||||
block->u.Packet_Uplink_Ack_Nack.MESSAGE_TYPE = 0x9; // Packet Downlink Assignment
|
||||
block->u.Packet_Uplink_Ack_Nack.PAGE_MODE = 0x0; // Normal Paging
|
||||
block->u.Packet_Uplink_Ack_Nack.UPLINK_TFI = tbf->tfi; // Uplink TFI
|
||||
|
||||
block->u.Packet_Uplink_Ack_Nack.UnionType = 0x0; // PU_AckNack_GPRS = on
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.CHANNEL_CODING_COMMAND = bts->initial_cs - 1; // CS1
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Ack_Nack_Description.FINAL_ACK_INDICATION = final; // FINAL ACK INDICATION
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Ack_Nack_Description.STARTING_SEQUENCE_NUMBER = tbf->dir.ul.v_r; // STARTING_SEQUENCE_NUMBER
|
||||
// RECEIVE_BLOCK_BITMAP
|
||||
for (i = 0, bbn = (tbf->dir.ul.v_r - 64) & mod_sns_half; i < 64;
|
||||
i++, bbn = (bbn + 1) & mod_sns_half) {
|
||||
bit = tbf->dir.ul.v_n[bbn];
|
||||
if (bit == 0)
|
||||
bit = ' ';
|
||||
show_v_n[i] = bit;
|
||||
if (bit == 'R')
|
||||
rbb = (rbb << 1)|1;
|
||||
else
|
||||
rbb = (rbb << 1);
|
||||
if((i%8) == 7)
|
||||
{
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Ack_Nack_Description.RECEIVED_BLOCK_BITMAP[i/8] = rbb;
|
||||
rbb = 0;
|
||||
}
|
||||
}
|
||||
show_v_n[64] = '\0';
|
||||
LOGP(DRLCMACUL, LOGL_DEBUG, "- V(N): \"%s\" R=Received "
|
||||
"N=Not-Received\n", show_v_n);
|
||||
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.UnionType = 0x0; // Fixed Allocation Dummy = on
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.u.FixedAllocationDummy = 0x0; // Fixed Allocation Dummy
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Exist_AdditionsR99 = 0x0; // AdditionsR99 = off
|
||||
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Common_Uplink_Ack_Nack_Data.Exist_CONTENTION_RESOLUTION_TLLI = 0x1;
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Common_Uplink_Ack_Nack_Data.CONTENTION_RESOLUTION_TLLI = tbf->tlli;
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Common_Uplink_Ack_Nack_Data.Exist_Packet_Timing_Advance = 0x0;
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Common_Uplink_Ack_Nack_Data.Exist_Extension_Bits = 0x0;
|
||||
block->u.Packet_Uplink_Ack_Nack.u.PU_AckNack_GPRS_Struct.Common_Uplink_Ack_Nack_Data.Exist_Power_Control_Parameters = 0x0;
|
||||
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Uplink Ack/Nack +++++++++++++++++++++++++\n");
|
||||
encode_gsm_rlcmac_downlink(ack_vec, block);
|
||||
LOGPC(DCSN1, LOGL_NOTICE, "\n");
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Uplink Ack/Nack +++++++++++++++++++++++++\n");
|
||||
bitvec_pack(ack_vec, msgb_put(msg, 23));
|
||||
bitvec_free(ack_vec);
|
||||
talloc_free(block);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
static unsigned write_packet_paging_request(bitvec * dest)
|
||||
{
|
||||
unsigned wp = 0;
|
||||
|
||||
bitvec_write_field(dest, wp,0x1,2); // Payload Type
|
||||
bitvec_write_field(dest, wp,0x0,3); // No polling
|
||||
bitvec_write_field(dest, wp,0x0,3); // Uplink state flag
|
||||
bitvec_write_field(dest, wp,0x22,6); // MESSAGE TYPE
|
||||
|
||||
bitvec_write_field(dest, wp,0x0,2); // Page Mode
|
||||
|
||||
bitvec_write_field(dest, wp,0x0,1); // No PERSISTENCE_LEVEL
|
||||
bitvec_write_field(dest, wp,0x0,1); // No NLN
|
||||
|
||||
return wp;
|
||||
}
|
||||
|
||||
static unsigned write_repeated_page_info(bitvec * dest, unsigned& wp,
|
||||
uint8_t len, uint8_t *identity, uint8_t chan_needed)
|
||||
{
|
||||
bitvec_write_field(dest, wp,0x1,1); // Repeated Page info exists
|
||||
|
||||
bitvec_write_field(dest, wp,0x1,1); // RR connection paging
|
||||
|
||||
if ((identity[0] & 0x07) == 4) {
|
||||
bitvec_write_field(dest, wp,0x0,1); // TMSI
|
||||
identity++;
|
||||
len--;
|
||||
} else {
|
||||
bitvec_write_field(dest, wp,0x0,1); // MI
|
||||
bitvec_write_field(dest, wp,len,4); // MI len
|
||||
}
|
||||
while (len) {
|
||||
bitvec_write_field(dest, wp,*identity++,8); // MI data
|
||||
len--;
|
||||
}
|
||||
bitvec_write_field(dest, wp,chan_needed,2); // CHANNEL_NEEDED
|
||||
bitvec_write_field(dest, wp,0x0,1); // No eMLPP_PRIORITY
|
||||
|
||||
return wp;
|
||||
}
|
||||
|
||||
extern "C"
|
||||
struct msgb *gprs_rlcmac_send_packet_paging_request(
|
||||
struct gprs_rlcmac_pdch *pdch)
|
||||
{
|
||||
struct gprs_rlcmac_paging *pag;
|
||||
struct msgb *msg;
|
||||
unsigned wp = 0, len;
|
||||
|
||||
/* no paging, no message */
|
||||
pag = gprs_rlcmac_dequeue_paging(pdch);
|
||||
if (!pag)
|
||||
return NULL;
|
||||
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "Scheduling paging\n");
|
||||
|
||||
/* alloc message */
|
||||
msg = msgb_alloc(23, "pag ctrl block");
|
||||
if (!msg)
|
||||
return NULL;
|
||||
bitvec *pag_vec = bitvec_alloc(23);
|
||||
if (!pag_vec) {
|
||||
msgb_free(msg);
|
||||
return NULL;
|
||||
}
|
||||
wp = write_packet_paging_request(pag_vec);
|
||||
|
||||
/* loop until message is full */
|
||||
while (pag) {
|
||||
/* try to add paging */
|
||||
if ((pag->identity_lv[1] & 0x07) == 4) {
|
||||
/* TMSI */
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "- TMSI=0x%08x\n",
|
||||
ntohl(*((uint32_t *)(pag->identity_lv + 1))));
|
||||
len = 1 + 1 + 1 + 32 + 2 + 1;
|
||||
if (pag->identity_lv[0] != 5) {
|
||||
LOGP(DRLCMAC, LOGL_ERROR, "TMSI paging with "
|
||||
"MI != 5 octets!\n");
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
/* MI */
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "- MI=%s\n",
|
||||
osmo_hexdump(pag->identity_lv + 1,
|
||||
pag->identity_lv[0]));
|
||||
len = 1 + 1 + 1 + 4 + (pag->identity_lv[0]<<3) + 2 + 1;
|
||||
if (pag->identity_lv[0] > 8) {
|
||||
LOGP(DRLCMAC, LOGL_ERROR, "Paging with "
|
||||
"MI > 8 octets!\n");
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (wp + len > 184) {
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "- Does not fit, so schedule "
|
||||
"next time\n");
|
||||
/* put back paging record, because does not fit */
|
||||
llist_add_tail(&pag->list, &pdch->paging_list);
|
||||
break;
|
||||
}
|
||||
write_repeated_page_info(pag_vec, wp, pag->identity_lv[0],
|
||||
pag->identity_lv + 1, pag->chan_needed);
|
||||
|
||||
pag = gprs_rlcmac_dequeue_paging(pdch);
|
||||
}
|
||||
|
||||
bitvec_pack(pag_vec, msgb_put(msg, 23));
|
||||
RlcMacDownlink_t * mac_control_block = (RlcMacDownlink_t *)talloc_zero(tall_pcu_ctx, RlcMacDownlink_t);
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "+++++++++++++++++++++++++ TX : Packet Paging Request +++++++++++++++++++++++++\n");
|
||||
decode_gsm_rlcmac_downlink(pag_vec, mac_control_block);
|
||||
LOGPC(DCSN1, LOGL_NOTICE, "\n");
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "------------------------- TX : Packet Paging Request -------------------------\n");
|
||||
bitvec_free(pag_vec);
|
||||
talloc_free(mac_control_block);
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
/* Received Uplink RLC control block. */
|
||||
extern "C"
|
||||
int gprs_rlcmac_rcv_control_block(uint8_t trx, uint8_t ts, uint32_t fn,
|
||||
uint8_t *data, uint8_t len)
|
||||
{
|
||||
uint32_t tlli = 0;
|
||||
int8_t tfi = 0; /* must be signed */
|
||||
struct gprs_rlcmac_tbf *tbf;
|
||||
bitvec *block;
|
||||
RlcMacUplink_t * ul_control_block;
|
||||
|
||||
block = bitvec_alloc(len);
|
||||
if (!block)
|
||||
return -ENOMEM;
|
||||
bitvec_unpack(block, data);
|
||||
|
||||
ul_control_block = (RlcMacUplink_t *)talloc_zero(tall_pcu_ctx, RlcMacUplink_t);
|
||||
if (!ul_control_block) {
|
||||
bitvec_free(block);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "+++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++\n");
|
||||
decode_gsm_rlcmac_uplink(block, ul_control_block);
|
||||
LOGPC(DCSN1, LOGL_NOTICE, "\n");
|
||||
LOGP(DRLCMAC, LOGL_DEBUG, "------------------------- RX : Uplink Control Block -------------------------\n");
|
||||
switch (ul_control_block->u.MESSAGE_TYPE) {
|
||||
case MT_PACKET_CONTROL_ACK:
|
||||
tlli = ul_control_block->u.Packet_Control_Acknowledgement.TLLI;
|
||||
gprs_rlcmac_rcv_control_ack(trx, ts, fn, tlli);
|
||||
break;
|
||||
case MT_PACKET_DOWNLINK_ACK_NACK:
|
||||
tfi = ul_control_block->u.Packet_Downlink_Ack_Nack.DOWNLINK_TFI;
|
||||
gprs_rlcmac_rcv_downlink_ack(trx, ts, fn, tfi,
|
||||
ul_control_block->u.Packet_Downlink_Ack_Nack.Ack_Nack_Description.FINAL_ACK_INDICATION,
|
||||
ul_control_block->u.Packet_Downlink_Ack_Nack.Ack_Nack_Description.STARTING_SEQUENCE_NUMBER,
|
||||
ul_control_block->u.Packet_Downlink_Ack_Nack.Ack_Nack_Description.RECEIVED_BLOCK_BITMAP,
|
||||
ul_control_block->u.Packet_Downlink_Ack_Nack.Exist_Channel_Request_Description);
|
||||
break;
|
||||
case MT_PACKET_RESOURCE_REQUEST:
|
||||
if (ul_control_block->u.Packet_Resource_Request.ID.UnionType) {
|
||||
tlli = ul_control_block->u.Packet_Resource_Request.ID.u.TLLI;
|
||||
tbf = tbf_by_tlli(tlli, GPRS_RLCMAC_UL_TBF);
|
||||
if (!tbf) {
|
||||
LOGP(DRLCMAC, LOGL_NOTICE, "PACKET RESSOURCE REQ unknown uplink TLLI=0x%08x\n", tlli);
|
||||
break;
|
||||
}
|
||||
tfi = tbf->tfi;
|
||||
} else {
|
||||
if (ul_control_block->u.Packet_Resource_Request.ID.u.Global_TFI.UnionType) {
|
||||
tfi = ul_control_block->u.Packet_Resource_Request.ID.u.Global_TFI.u.DOWNLINK_TFI;
|
||||
tbf = tbf_by_tfi(tfi, trx, ts, GPRS_RLCMAC_DL_TBF);
|
||||
if (!tbf) {
|
||||
LOGP(DRLCMAC, LOGL_NOTICE, "PACKET RESSOURCE REQ unknown downlink TBF=%d\n", tlli);
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
tfi = ul_control_block->u.Packet_Resource_Request.ID.u.Global_TFI.u.UPLINK_TFI;
|
||||
tbf = tbf_by_tfi(tfi, trx, ts, GPRS_RLCMAC_UL_TBF);
|
||||
if (!tbf) {
|
||||
LOGP(DRLCMAC, LOGL_NOTICE, "PACKET RESSOURCE REQ unknown uplink TBF=%d\n", tlli);
|
||||
break;
|
||||
}
|
||||
}
|
||||
tlli = tbf->tlli;
|
||||
}
|
||||
LOGP(DRLCMAC, LOGL_ERROR, "RX: [PCU <- BTS] %s TFI: %u TLLI: 0x%08x FIXME: Packet ressource request\n", (tbf->direction == GPRS_RLCMAC_UL_TBF) ? "UL" : "DL", tbf->tfi, tbf->tlli);
|
||||
break;
|
||||
default:
|
||||
LOGP(DRLCMAC, LOGL_NOTICE, "RX: [PCU <- BTS] unknown control block received\n");
|
||||
}
|
||||
talloc_free(ul_control_block);
|
||||
bitvec_free(block);
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
#ifndef _GPRS_RLCMAC_CTRL_H
|
||||
#define _GPRS_RLCMAC_CTRL_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
int write_immediate_assignment_uplink(uint8_t *data, uint8_t ra, uint32_t fn,
|
||||
uint8_t ta, uint16_t arfcn, uint8_t ts, uint8_t tsc, uint8_t tfi,
|
||||
uint8_t usf, uint8_t polling, uint32_t poll_fn);
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
int write_immediate_assignment_downlink(uint8_t *data, uint8_t ra, uint32_t fn,
|
||||
uint8_t ta, uint16_t arfcn, uint8_t ts, uint8_t tsc, uint8_t tfi,
|
||||
uint32_t tlli, uint8_t polling, uint32_t poll_fn);
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
struct msgb *write_packet_uplink_assignment(uint8_t old_tfi,
|
||||
uint8_t old_downlink, uint32_t tlli, uint8_t use_tlli,
|
||||
struct gprs_rlcmac_tbf *tbf, uint8_t poll);
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
struct msgb *write_packet_downlink_assignment(uint8_t old_tfi,
|
||||
uint8_t old_downlink, struct gprs_rlcmac_tbf *tbf, uint8_t poll);
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
struct msgb *write_packet_uplink_ack(struct gprs_rlcmac_tbf *tbf,
|
||||
uint8_t final);
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
struct msgb *gprs_rlcmac_send_packet_paging_request(
|
||||
struct gprs_rlcmac_pdch *pdch);
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
int gprs_rlcmac_rcv_control_block(uint8_t trx, uint8_t ts, uint32_t fn,
|
||||
uint8_t *data, uint8_t len);
|
||||
|
||||
#endif /* _GPRS_RLCMAC_CTRL_H */
|
|
@ -25,10 +25,8 @@
|
|||
|
||||
extern void *tall_pcu_ctx;
|
||||
|
||||
extern "C" {
|
||||
int bssgp_tx_llc_discarded(struct bssgp_bvc_ctx *bctx, uint32_t tlli,
|
||||
uint8_t num_frames, uint32_t num_octets);
|
||||
}
|
||||
|
||||
/* After receiving these frames, we send ack/nack. */
|
||||
#define SEND_ACK_AFTER_FRAMES 20
|
||||
|
@ -39,7 +37,6 @@ int bssgp_tx_llc_discarded(struct bssgp_bvc_ctx *bctx, uint32_t tlli,
|
|||
/* If acknowledgement to uplink/downlin assignmentshould be polled */
|
||||
#define POLLING_ASSIGNMENT 0
|
||||
|
||||
extern "C" {
|
||||
/* TS 04.60 10.2.2 */
|
||||
struct rlc_ul_header {
|
||||
uint8_t r:1,
|
||||
|
@ -71,7 +68,6 @@ struct rlc_li_field {
|
|||
m:1,
|
||||
li:6;
|
||||
} __attribute__ ((packed));
|
||||
}
|
||||
|
||||
int gprs_rlcmac_poll_timeout(struct gprs_rlcmac_tbf *tbf)
|
||||
{
|
||||
|
@ -1400,8 +1396,8 @@ struct msgb *gprs_rlcmac_send_packet_downlink_assignment(
|
|||
return msg;
|
||||
}
|
||||
|
||||
static void gprs_rlcmac_downlink_assignment(gprs_rlcmac_tbf *tbf, uint8_t poll,
|
||||
char *imsi)
|
||||
static void gprs_rlcmac_downlink_assignment(struct gprs_rlcmac_tbf *tbf,
|
||||
uint8_t poll, char *imsi)
|
||||
{
|
||||
uint8_t imm_ass[23];
|
||||
int rc;
|
|
@ -19,6 +19,7 @@
|
|||
|
||||
#include <gprs_bssgp_pcu.h>
|
||||
#include <gprs_rlcmac.h>
|
||||
#include <gprs_rlcmac_ctrl.h>
|
||||
#include <pcu_l1_if.h>
|
||||
|
||||
uint32_t sched_poll(uint8_t trx, uint8_t ts, uint32_t fn, uint8_t block_nr,
|
|
@ -34,7 +34,9 @@
|
|||
*/
|
||||
#include <iostream>
|
||||
#include <cstdlib>
|
||||
extern "C" {
|
||||
#include <gprs_debug.h>
|
||||
}
|
||||
using namespace std;
|
||||
|
||||
/* Payload type as defined in TS 44.060 / 10.4.7 */
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* gsm_timer.cpp
|
||||
/* gsm_timer.c
|
||||
*
|
||||
* Copyright (C) 2012 Ivan Klyuchnikov
|
||||
*
|
|
@ -27,10 +27,8 @@
|
|||
#ifndef GSM_TIMER_H
|
||||
#define GSM_TIMER_H
|
||||
|
||||
extern "C" {
|
||||
#include <osmocom/core/linuxlist.h>
|
||||
#include <osmocom/core/linuxrbtree.h>
|
||||
}
|
||||
/**
|
||||
* Timer management:
|
||||
* - Create a struct osmo_gsm_timer_list
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
/* pcu_l1_if.cpp
|
||||
/* pcu_l1_if.c
|
||||
*
|
||||
* Copyright (C) 2012 Andreas Eversberg <jolly@eversberg.eu>
|
||||
*
|
||||
|
@ -25,11 +25,9 @@
|
|||
#include <assert.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/un.h>
|
||||
extern "C" {
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/core/select.h>
|
||||
#include <osmocom/core/msgb.h>
|
||||
}
|
||||
|
||||
#include <gprs_rlcmac.h>
|
||||
#include <pcu_l1_if.h>
|
||||
|
@ -123,16 +121,16 @@ static int pcu_tx_data_req(uint8_t trx, uint8_t ts, uint8_t sapi,
|
|||
return pcu_sock_send(msg);
|
||||
}
|
||||
|
||||
void pcu_l1if_tx_pdtch(msgb *msg, uint8_t trx, uint8_t ts, uint16_t arfcn,
|
||||
uint32_t fn, uint8_t block_nr)
|
||||
void pcu_l1if_tx_pdtch(struct msgb *msg, uint8_t trx, uint8_t ts,
|
||||
uint16_t arfcn, uint32_t fn, uint8_t block_nr)
|
||||
{
|
||||
pcu_tx_data_req(trx, ts, PCU_IF_SAPI_PDTCH, arfcn, fn, block_nr,
|
||||
msg->data, msg->len);
|
||||
msgb_free(msg);
|
||||
}
|
||||
|
||||
void pcu_l1if_tx_ptcch(msgb *msg, uint8_t trx, uint8_t ts, uint16_t arfcn,
|
||||
uint32_t fn, uint8_t block_nr)
|
||||
void pcu_l1if_tx_ptcch(struct msgb *msg, uint8_t trx, uint8_t ts,
|
||||
uint16_t arfcn, uint32_t fn, uint8_t block_nr)
|
||||
{
|
||||
pcu_tx_data_req(trx, ts, PCU_IF_SAPI_PTCCH, arfcn, fn, block_nr,
|
||||
msg->data, msg->len);
|
||||
|
@ -146,18 +144,18 @@ void pcu_l1if_tx_agch(uint8_t *data)
|
|||
|
||||
void pcu_l1if_tx_pch(uint8_t *data, char *imsi)
|
||||
{
|
||||
uint8_t pch_data[23+3];
|
||||
uint8_t pch_data[3+23];
|
||||
|
||||
/* paging group */
|
||||
if (!imsi || strlen(imsi) < 3)
|
||||
return;
|
||||
imsi += strlen(imsi) - 3;
|
||||
data[0] = imsi[0];
|
||||
data[1] = imsi[1];
|
||||
data[2] = imsi[2];
|
||||
pch_data[0] = imsi[0];
|
||||
pch_data[1] = imsi[1];
|
||||
pch_data[2] = imsi[2];
|
||||
|
||||
memcpy(pch_data + 3, data, 23);
|
||||
pcu_tx_data_req(0, 0, PCU_IF_SAPI_PCH, 0, 0, 0, data, 23+3);
|
||||
pcu_tx_data_req(0, 0, PCU_IF_SAPI_PCH, 0, 0, 0, pch_data, 23+3);
|
||||
}
|
||||
|
||||
static void pcu_l1if_tx_bcch(uint8_t *data, int len)
|
|
@ -21,20 +21,19 @@
|
|||
#define PCU_L1_IF_H
|
||||
|
||||
#include <stdint.h>
|
||||
extern "C" {
|
||||
#include <osmocom/core/write_queue.h>
|
||||
#include <osmocom/core/socket.h>
|
||||
#include <osmocom/core/timer.h>
|
||||
#include <osmocom/core/bitvec.h>
|
||||
#include <osmocom/gsm/gsm_utils.h>
|
||||
}
|
||||
#include <pcuif_proto.h>
|
||||
|
||||
int get_current_fn();
|
||||
|
||||
void pcu_l1if_tx_pdtch(msgb *msg, uint8_t trx, uint8_t ts, uint16_t arfcn,
|
||||
uint32_t fn, uint8_t block_nr);
|
||||
void pcu_l1if_tx_ptcch(msgb *msg, uint8_t trx, uint8_t ts, uint16_t arfcn,
|
||||
uint32_t fn, uint8_t block_nr);
|
||||
void pcu_l1if_tx_pdtch(struct msgb *msg, uint8_t trx, uint8_t ts,
|
||||
uint16_t arfcn, uint32_t fn, uint8_t block_nr);
|
||||
void pcu_l1if_tx_ptcch(struct msgb *msg, uint8_t trx, uint8_t ts,
|
||||
uint16_t arfcn, uint32_t fn, uint8_t block_nr);
|
||||
void pcu_l1if_tx_agch(uint8_t *data);
|
||||
|
||||
void pcu_l1if_tx_pch(uint8_t *data, char *imsi);
|
||||
|
|
|
@ -17,6 +17,7 @@
|
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
extern "C" {
|
||||
#include <gprs_bssgp_pcu.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <pcu_l1_if.h>
|
||||
|
@ -26,11 +27,9 @@
|
|||
#include <unistd.h>
|
||||
#include <getopt.h>
|
||||
#include <signal.h>
|
||||
extern "C" {
|
||||
#include "pcu_vty.h"
|
||||
#include <osmocom/vty/telnet_interface.h>
|
||||
#include <osmocom/vty/logging.h>
|
||||
}
|
||||
|
||||
struct gprs_rlcmac_bts *gprs_rlcmac_bts;
|
||||
extern struct gprs_nsvc *nsvc;
|
||||
|
@ -128,6 +127,8 @@ void sighandler(int sigset)
|
|||
}
|
||||
}
|
||||
|
||||
} /* extern "C" */
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
struct gprs_rlcmac_bts *bts;
|
||||
|
|
|
@ -25,11 +25,9 @@
|
|||
#include <assert.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/un.h>
|
||||
extern "C" {
|
||||
#include <osmocom/core/talloc.h>
|
||||
#include <osmocom/core/select.h>
|
||||
#include <osmocom/core/msgb.h>
|
||||
}
|
||||
|
||||
#include <gprs_rlcmac.h>
|
||||
#include <pcu_l1_if.h>
|
Loading…
Reference in New Issue