diff options
Diffstat (limited to 'include/openbsc/gsm_04_08.h')
| -rw-r--r-- | include/openbsc/gsm_04_08.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/openbsc/gsm_04_08.h b/include/openbsc/gsm_04_08.h index f10d82190..24989b144 100644 --- a/include/openbsc/gsm_04_08.h +++ b/include/openbsc/gsm_04_08.h @@ -69,6 +69,74 @@ struct gsm48_hdr { u_int8_t data[0]; } __attribute__ ((packed)); +/* Section 9.1.3x System information Type header */ +struct gsm48_system_information_type_header { + u_int8_t l2_plen; + u_int8_t rr_protocol_discriminator :4, + skip_indicator:4; + u_int8_t system_information; +} __attribute__ ((packed)); + +/* Section 9.1.31 System information Type 1 */ +struct gsm48_system_information_type_1 { + struct gsm48_system_information_type_header header; + u_int8_t cell_channel_description[16]; + u_int8_t rach_control_parameter[3]; + u_int8_t s1_reset; +} __attribute__ ((packed)); + +/* Section 9.1.32 System information Type 2 */ +struct gsm48_system_information_type_2 { + struct gsm48_system_information_type_header header; + u_int8_t bcch_frequency_list[16]; + u_int8_t ncc_permitted; + u_int8_t rach_control_parameter[3]; +} __attribute__ ((packed)); + +/* Section 9.1.35 System information Type 3 */ +struct gsm48_system_information_type_3 { + struct gsm48_system_information_type_header header; + u_int16_t cell_identity; + struct gsm48_loc_area_id lai; + u_int8_t control_channel_description[3]; + u_int8_t cell_options; + u_int8_t cell_selection[2]; + u_int8_t rach_control_parameter[3]; + u_int8_t s3_reset_octets[4]; +} __attribute__ ((packed)); + +/* Section 9.1.36 System information Type 4 */ +struct gsm48_system_information_type_4 { + struct gsm48_system_information_type_header header; + struct gsm48_loc_area_id lai; + u_int8_t cell_selection[2]; + u_int8_t rach_control_parameter[3]; + /* optional CBCH conditional CBCH... followed by + mandantory SI 4 Reset Octets + */ + u_int8_t data[0]; +} __attribute__ ((packed)); + +/* Section 9.1.37 System information Type 5 */ +struct gsm48_system_information_type_5 { + u_int8_t rr_protocol_discriminator :4, + skip_indicator:4; + u_int8_t system_information; + u_int8_t bcch_frequency_list[16]; +} __attribute__ ((packed)); + +/* Section 9.1.40 System information Type 6 */ +struct gsm48_system_information_type_6 { + u_int8_t rr_protocol_discriminator :4, + skip_indicator:4; + u_int8_t system_information; + u_int8_t cell_identity[2]; + struct gsm48_loc_area_id lai; + u_int8_t cell_options; + u_int8_t ncc_permitted; + u_int8_t si_6_reset[0]; +} __attribute__ ((packed)); + /* Section 10.2 + GSM 04.07 12.2.3.1.1 */ #define GSM48_PDISC_GROUP_CC 0x00 #define GSM48_PDISC_BCAST_CC 0x01 |