diff options
Diffstat (limited to 'src/rlc.h')
| -rw-r--r-- | src/rlc.h | 46 |
1 files changed, 46 insertions, 0 deletions
@@ -19,6 +19,8 @@ */ #pragma once +#include "gprs_coding_scheme.h" + #include <osmocom/core/endian.h> #include <stdint.h> @@ -53,6 +55,28 @@ static inline uint16_t mod_sns_half() return (RLC_MAX_SNS / 2) - 1; } +struct gprs_rlc_ul_data_block_info { + unsigned int data_len; /* EGPRS: N2, GPRS: N2-2, N-2 */ + unsigned int bsn; + unsigned int ti; + unsigned int e; + unsigned int cv; + unsigned int pi; + unsigned int spb; +}; + +struct gprs_rlc_ul_header_egprs { + GprsCodingScheme cs; + unsigned int r; + unsigned int si; + unsigned int tfi; + unsigned int cps; + unsigned int rsb; + unsigned int num_data_blocks; + unsigned int data_offs_bits[2]; + struct gprs_rlc_ul_data_block_info block_info[2]; +}; + struct gprs_rlc_data { uint8_t *prepare(size_t block_data_length); void put_data(const uint8_t *data, size_t len); @@ -219,6 +243,28 @@ struct rlc_li_field { m:1, li:6; } __attribute__ ((packed)); + +struct rlc_li_field_egprs { + uint8_t e:1, + li:7; +} __attribute__ ((packed)); + +struct gprs_rlc_ul_header_egprs_3 { + uint8_t r:1, + si:1, + cv:4, + tfi_a:2; + uint8_t tfi_b:3, + bsn1_a:5; + uint8_t bsn1_b:6, + cps_a:2; + uint8_t cps_b:2, + spb:2, + rsb:1, + pi:1, + spare:1, + dummy:1; +} __attribute__ ((packed)); #else # error "Only little endian headers are supported yet. TODO: add missing structs" #endif |