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/*! \file gsm_04_60.h
* General Packet Radio Service (GPRS).
* Radio Link Control / Medium Access Control (RLC/MAC) protocol
* 3GPP TS 04.60 version 8.27.0 Release 1999
*/
#pragma once
#include <stdint.h>
#include <osmocom/core/endian.h>
/* TS 04.60 10.3a.4.1.1 */
struct gprs_rlc_ul_header_egprs_1 {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t r:1,
si:1,
cv:4,
tfi_hi:2;
uint8_t tfi_lo:3,
bsn1_hi:5;
uint8_t bsn1_lo:6,
bsn2_hi:2;
uint8_t bsn2_lo:8;
uint8_t cps:5,
rsb:1,
pi:1,
spare_hi:1;
uint8_t spare_lo:6,
dummy:2;
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t tfi_hi:2, cv:4, si:1, r:1;
uint8_t bsn1_hi:5, tfi_lo:3;
uint8_t bsn2_hi:2, bsn1_lo:6;
uint8_t bsn2_lo:8;
uint8_t spare_hi:1, pi:1, rsb:1, cps:5;
uint8_t dummy:2, spare_lo:6;
#endif
} __attribute__ ((packed));
/* TS 04.60 10.3a.4.2.1 */
struct gprs_rlc_ul_header_egprs_2 {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t r:1,
si:1,
cv:4,
tfi_hi:2;
uint8_t tfi_lo:3,
bsn1_hi:5;
uint8_t bsn1_lo:6,
cps_hi:2;
uint8_t cps_lo:1,
rsb:1,
pi:1,
spare_hi:5;
uint8_t spare_lo:5,
dummy:3;
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t tfi_hi:2, cv:4, si:1, r:1;
uint8_t bsn1_hi:5, tfi_lo:3;
uint8_t cps_hi:2, bsn1_lo:6;
uint8_t spare_hi:5, pi:1, rsb:1, cps_lo:1;
uint8_t dummy:3, spare_lo:5;
#endif
} __attribute__ ((packed));
/* TS 04.60 10.3a.4.3.1 */
struct gprs_rlc_ul_header_egprs_3 {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t r:1,
si:1,
cv:4,
tfi_hi:2;
uint8_t tfi_lo:3,
bsn1_hi:5;
uint8_t bsn1_lo:6,
cps_hi:2;
uint8_t cps_lo:2,
spb:2,
rsb:1,
pi:1,
spare:1,
dummy:1;
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t tfi_hi:2, cv:4, si:1, r:1;
uint8_t bsn1_hi:5, tfi_lo:3;
uint8_t cps_hi:2, bsn1_lo:6;
uint8_t dummy:1, spare:1, pi:1, rsb:1, spb:2, cps_lo:2;
#endif
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_1 {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t usf:3,
es_p:2,
rrbp:2,
tfi_hi:1;
uint8_t tfi_lo:4,
pr:2,
bsn1_hi:2;
uint8_t bsn1_mid:8;
uint8_t bsn1_lo:1,
bsn2_hi:7;
uint8_t bsn2_lo:3,
cps:5;
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t tfi_hi:1, rrbp:2, es_p:2, usf:3;
uint8_t bsn1_hi:2, pr:2, tfi_lo:4;
uint8_t bsn1_mid:8;
uint8_t bsn2_hi:7, bsn1_lo:1;
uint8_t cps:5, bsn2_lo:3;
#endif
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_2 {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t usf:3,
es_p:2,
rrbp:2,
tfi_hi:1;
uint8_t tfi_lo:4,
pr:2,
bsn1_hi:2;
uint8_t bsn1_mid:8;
uint8_t bsn1_lo:1,
cps:3,
dummy:4;
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t tfi_hi:1, rrbp:2, es_p:2, usf:3;
uint8_t bsn1_hi:2, pr:2, tfi_lo:4;
uint8_t bsn1_mid:8;
uint8_t dummy:4, cps:3, bsn1_lo:1;
#endif
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_3 {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t usf:3,
es_p:2,
rrbp:2,
tfi_hi:1;
uint8_t tfi_lo:4,
pr:2,
bsn1_hi:2;
uint8_t bsn1_mid:8;
uint8_t bsn1_lo:1,
cps:4,
spb:2,
dummy:1;
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t tfi_hi:1, rrbp:2, es_p:2, usf:3;
uint8_t bsn1_hi:2, pr:2, tfi_lo:4;
uint8_t bsn1_mid:8;
uint8_t dummy:1, spb:2, cps:4, bsn1_lo:1;
#endif
} __attribute__ ((packed));
/* TS 03.60 Chapter 6.3.3.1: Network Mode of Operation */
enum osmo_gprs_nmo {
GPRS_NMO_I = 0, /* CS pagin on GPRS paging or traffic channel */
GPRS_NMO_II = 1, /* all paging on CCCH */
GPRS_NMO_III = 2, /* no paging coordination */
};
/* TS 04.60 12.24 */
struct osmo_gprs_cell_options {
enum osmo_gprs_nmo nmo;
/* T3168: wait for packet uplink assignment message */
uint32_t t3168; /* in milliseconds */
/* T3192: wait for release of the TBF after reception of the final block */
uint32_t t3192; /* in milliseconds */
uint32_t drx_timer_max;/* in seconds */
uint32_t bs_cv_max;
uint8_t supports_egprs_11bit_rach;
bool ctrl_ack_type_use_block; /* use PACKET CONTROL ACKNOWLEDGMENT */
uint8_t ext_info_present;
struct {
uint8_t egprs_supported;
uint8_t use_egprs_p_ch_req;
uint8_t bep_period;
uint8_t pfc_supported;
uint8_t dtm_supported;
uint8_t bss_paging_coordination;
} ext_info;
};
/* TS 04.60 Table 12.9.2 */
struct osmo_gprs_power_ctrl_pars {
uint8_t alpha;
uint8_t t_avg_w;
uint8_t t_avg_t;
uint8_t pc_meas_chan;
uint8_t n_avg_i;
};
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