170 lines
4.1 KiB
C++
170 lines
4.1 KiB
C++
/* bts.h
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*
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* Copyright (C) 2012 Ivan Klyuchnikov
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* Copyright (C) 2013 by Holger Hans Peter Freyther
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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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#pragma once
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#ifdef __cplusplus
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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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#include "poll_controller.h"
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#include "ta.h"
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#endif
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#include <stdint.h>
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struct gprs_rlcmac_tbf;
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struct BTS;
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/*
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* PDCH instance
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*/
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struct gprs_rlcmac_pdch {
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#ifdef __cplusplus
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struct gprs_rlcmac_paging *dequeue_paging();
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struct msgb *packet_paging_request();
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void add_paging(struct gprs_rlcmac_paging *pag);
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/* TODO: the PDCH should know the trx/ts it belongs to */
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void free_resources(uint8_t trx, uint8_t ts);
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bool is_enabled() const;
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void enable();
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void disable();
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#endif
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uint8_t m_is_enabled; /* TS is enabled */
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uint8_t tsc; /* TSC of this slot */
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uint8_t next_ul_tfi; /* next uplink TBF/TFI to schedule (0..31) */
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uint8_t next_dl_tfi; /* next downlink TBF/TFI to schedule (0..31) */
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struct gprs_rlcmac_tbf *ul_tbf[32]; /* array of UL TBF, by UL TFI */
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struct gprs_rlcmac_tbf *dl_tbf[32]; /* array of DL TBF, by DL TFI */
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struct llist_head paging_list; /* list of paging messages */
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uint32_t last_rts_fn; /* store last frame number of RTS */
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};
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struct gprs_rlcmac_trx {
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void *fl1h;
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uint16_t arfcn;
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struct gprs_rlcmac_pdch pdch[8];
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struct gprs_rlcmac_tbf *ul_tbf[32]; /* array of UL TBF, by UL TFI */
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struct gprs_rlcmac_tbf *dl_tbf[32]; /* array of DL TBF, by DL TFI */
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};
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/**
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* This is the data from C. As soon as our minimal compiler is gcc 4.7
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* we can start to compile pcu_vty.c with c++ and remove the split.
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*/
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struct gprs_rlcmac_bts {
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uint8_t bsic;
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uint8_t fc_interval;
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uint8_t cs1;
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uint8_t cs2;
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uint8_t cs3;
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uint8_t cs4;
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uint8_t initial_cs_dl, initial_cs_ul;
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uint8_t force_cs; /* 0=use from BTS 1=use from VTY */
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uint16_t force_llc_lifetime; /* overrides lifetime from SGSN */
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uint8_t t3142;
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uint8_t t3169;
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uint8_t t3191;
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uint16_t t3193_msec;
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uint8_t t3195;
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uint8_t n3101;
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uint8_t n3103;
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uint8_t n3105;
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struct gprs_rlcmac_trx trx[8];
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int (*alloc_algorithm)(struct gprs_rlcmac_bts *bts,
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struct gprs_rlcmac_tbf *old_tbf,
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struct gprs_rlcmac_tbf *tbf, uint32_t cust, uint8_t single);
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uint32_t alloc_algorithm_curst; /* options to customize algorithm */
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uint8_t force_two_phase;
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uint8_t alpha, gamma;
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/**
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* Point back to the C++ object. This is used during the transition
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* period.
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*/
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struct BTS *bts;
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};
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#ifdef __cplusplus
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/**
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* I represent a GSM BTS. I have one or more TRX, I know the current
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* GSM time and I have controllers that help with allocating resources
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* on my TRXs.
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*/
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struct BTS {
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public:
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BTS();
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static BTS* main_bts();
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struct gprs_rlcmac_bts *bts_data();
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TimingAdvance *timing_advance();
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/** TODO: change the number to unsigned */
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void set_current_frame_number(int frame_number);
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int current_frame_number() const;
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/** add paging to paging queue(s) */
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int add_paging(uint8_t chan_needed, uint8_t *identity_lv);
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private:
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int m_cur_fn;
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struct gprs_rlcmac_bts m_bts;
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PollController m_pollController;
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TimingAdvance m_ta;
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private:
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/* disable copying to avoid slicing */
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BTS(const BTS&);
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BTS& operator=(const BTS&);
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};
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inline int BTS::current_frame_number() const
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{
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return m_cur_fn;
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}
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inline TimingAdvance *BTS::timing_advance()
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{
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return &m_ta;
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct gprs_rlcmac_bts *bts_main_data();
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#ifdef __cplusplus
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}
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inline bool gprs_rlcmac_pdch::is_enabled() const
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{
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return m_is_enabled;
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}
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#endif
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