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/* 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>
}
#include "poll_controller.h"
#include "sba.h"
#include "ta.h"
#include "tbf.h"
#endif
#include <stdint.h>
struct BTS;
/*
* PDCH instance
*/
struct gprs_rlcmac_pdch {
#ifdef __cplusplus
struct gprs_rlcmac_paging *dequeue_paging();
struct msgb *packet_paging_request();
void add_paging(struct gprs_rlcmac_paging *pag);
void free_resources();
bool is_enabled() const;
void enable();
void disable();
/* dispatching of messages */
int rcv_block(uint8_t *data, uint8_t len, uint32_t fn, int8_t rssi);
gprs_rlcmac_bts *bts_data() const;
BTS *bts() const;
uint8_t trx_no() const;
#endif
uint8_t m_is_enabled; /* 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 */
/* back pointers */
struct gprs_rlcmac_trx *trx;
uint8_t ts_no;
#ifdef __cplusplus
private:
int rcv_data_block_acknowledged(uint8_t *data, uint8_t len, int8_t rssi);
int rcv_control_block(bitvec *rlc_block, uint32_t fn);
#endif
};
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 */
/* back pointers */
struct BTS *bts;
uint8_t trx_no;
};
/**
* This is the data from C. As soon as our minimal compiler is gcc 4.7
* we can start to compile pcu_vty.c with c++ and remove the split.
*/
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;
/* TBF handling, make private or move into TBFController */
/* list of uplink TBFs */
struct llist_head ul_tbfs;
/* list of downlink TBFs */
struct llist_head dl_tbfs;
/**
* Point back to the C++ object. This is used during the transition
* period.
*/
struct BTS *bts;
};
#ifdef __cplusplus
/**
* I represent a GSM BTS. I have one or more TRX, I know the current
* GSM time and I have controllers that help with allocating resources
* on my TRXs.
*/
struct BTS {
public:
BTS();
static BTS* main_bts();
struct gprs_rlcmac_bts *bts_data();
SBAController *sba();
TimingAdvance *timing_advance();
/** TODO: change the number to unsigned */
void set_current_frame_number(int frame_number);
int current_frame_number() const;
/** add paging to paging queue(s) */
int add_paging(uint8_t chan_needed, uint8_t *identity_lv);
gprs_rlcmac_tbf *tbf_by_tlli(uint32_t tlli, enum gprs_rlcmac_tbf_direction dir);
gprs_rlcmac_tbf *tbf_by_poll_fn(uint32_t fn, uint8_t trx, uint8_t ts);
gprs_rlcmac_tbf *tbf_by_tfi(uint8_t tfi, uint8_t trx, enum gprs_rlcmac_tbf_direction dir);
private:
int m_cur_fn;
struct gprs_rlcmac_bts m_bts;
PollController m_pollController;
SBAController m_sba;
TimingAdvance m_ta;
private:
/* disable copying to avoid slicing */
BTS(const BTS&);
BTS& operator=(const BTS&);
};
inline int BTS::current_frame_number() const
{
return m_cur_fn;
}
inline TimingAdvance *BTS::timing_advance()
{
return &m_ta;
}
inline SBAController *BTS::sba()
{
return &m_sba;
}
inline BTS *gprs_rlcmac_pdch::bts() const
{
return trx->bts;
}
inline gprs_rlcmac_bts *gprs_rlcmac_pdch::bts_data() const
{
return trx->bts->bts_data();
}
inline uint8_t gprs_rlcmac_pdch::trx_no() const
{
return trx->trx_no;
}
#endif
#ifdef __cplusplus
extern "C" {
#endif
struct gprs_rlcmac_bts *bts_main_data();
#ifdef __cplusplus
}
inline bool gprs_rlcmac_pdch::is_enabled() const
{
return m_is_enabled;
}
#endif
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