Osmocom Packet control Unit (PCU): Network-side GPRS (RLC/MAC); BTS- or BSC-colocated https://osmocom.org/projects/osmopcu
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osmo-pcu/src/gprs_rlcmac.h

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/* gprs_rlcmac.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.
*/
#ifndef GPRS_RLCMAC_H
#define GPRS_RLCMAC_H
#include <stdbool.h>
#include <stdint.h>
#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
/* This special feature will delay assignment of downlink TBF by one second,
* in case there is already a TBF.
* This is usefull to debug downlink establishment during packet idle mode.
*/
//#define DEBUG_DL_ASS_IDLE
#define DUMMY_VEC "2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b2b"
struct gprs_rlcmac_tbf;
struct gprs_rlcmac_bts;
struct GprsMs;
#ifdef __cplusplus
/*
* paging entry
*/
struct gprs_rlcmac_paging {
struct llist_head list;
uint8_t chan_needed;
uint8_t identity_lv[9];
};
/*
* coding scheme info
*/
struct gprs_rlcmac_cs {
uint8_t block_length;
uint8_t block_data;
uint8_t block_payload;
};
/* TS allocation internal functions */
int find_multi_slots(struct gprs_rlcmac_trx *trx, uint8_t mslot_class, uint8_t *ul_slots, uint8_t *dl_slots);
int gprs_rlcmac_received_lost(struct gprs_rlcmac_dl_tbf *tbf, uint16_t received,
uint16_t lost);
int gprs_rlcmac_lost_rep(struct gprs_rlcmac_dl_tbf *tbf);
int gprs_rlcmac_meas_rep(GprsMs *ms, Packet_Measurement_Report_t *pmr);
int gprs_rlcmac_rssi(struct gprs_rlcmac_tbf *tbf, int8_t rssi);
int gprs_rlcmac_rssi_rep(struct gprs_rlcmac_tbf *tbf);
int gprs_rlcmac_dl_bw(struct gprs_rlcmac_dl_tbf *tbf, uint16_t octets);
/* TS 44.060 Section 10.4.7 Table 10.4.7.1: Payload Type field */
enum gprs_rlcmac_block_type {
GPRS_RLCMAC_DATA_BLOCK = 0x0,
GPRS_RLCMAC_CONTROL_BLOCK = 0x1,
GPRS_RLCMAC_CONTROL_BLOCK_OPT = 0x2,
GPRS_RLCMAC_RESERVED = 0x3
};
int gprs_rlcmac_tx_ul_ud(gprs_rlcmac_tbf *tbf);
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);
extern "C" {
#endif
int alloc_algorithm_a(struct gprs_rlcmac_bts *bts, struct gprs_rlcmac_tbf *tbf, bool single,
int8_t use_trx);
int alloc_algorithm_b(struct gprs_rlcmac_bts *bts, struct gprs_rlcmac_tbf *tbf, bool single,
int8_t use_trx);
int alloc_algorithm_dynamic(struct gprs_rlcmac_bts *bts, struct gprs_rlcmac_tbf *tbf, bool single,
int8_t use_trx);
int gprs_rlcmac_paging_request(struct gprs_rlcmac_bts *bts, 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