| /*! \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; |
| }; |