70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/*
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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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* 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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#include <stdint.h>
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extern "C" {
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#include <osmocom/core/linuxlist.h>
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}
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struct BTS;
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class PollController;
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struct gprs_rlcmac_sba;
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struct gprs_rlcmac_pdch;
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/*
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* single block allocation entry
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*/
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struct gprs_rlcmac_sba {
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struct llist_head list;
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uint8_t trx_no;
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uint8_t ts_no;
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uint32_t fn;
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uint8_t ta;
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};
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/**
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* I help to manage SingleBlockAssignment (SBA).
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*
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* TODO: Add a flush method..
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*/
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class SBAController {
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friend class PollController;
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public:
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SBAController(BTS &bts);
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int alloc(uint8_t *_trx, uint8_t *_ts, uint32_t *_fn, uint8_t ta);
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gprs_rlcmac_sba *find(uint8_t trx, uint8_t ts, uint32_t fn);
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gprs_rlcmac_sba *find(const gprs_rlcmac_pdch *pdch, uint32_t fn);
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uint32_t sched(uint8_t trx, uint8_t ts, uint32_t fn, uint8_t block_nr);
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int timeout(struct gprs_rlcmac_sba *sba);
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void free_resources(struct gprs_rlcmac_pdch *pdch);
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void free_sba(gprs_rlcmac_sba *sba);
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private:
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BTS &m_bts;
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llist_head m_sbas;
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};
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