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Add EGPRS RLC/MAC headers from 3GPP TS 04.60 

For shared use by osmo-pcu and osmo-bts-trx.

Change-Id: I500cdc87cd30faf36c8cd92d234642f809c8f2aa
changes/89/489/2
Tom Tsou 2016-07-07 17:06:12 -07:00 committed by Holger Freyther
parent 4f169500df
commit 9394dbd8e0
2 changed files with 209 additions and 0 deletions
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1
include/Makefile.am
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@ -51,6 +51,7 @@ nobase_include_HEADERS = \
osmocom/gprs/gprs_msgb.h \
osmocom/gprs/gprs_ns.h \
osmocom/gprs/gprs_ns_frgre.h \
osmocom/gprs/protocol/gsm_04_60.h \
osmocom/gprs/protocol/gsm_08_16.h \
osmocom/gprs/protocol/gsm_08_18.h \
osmocom/gsm/a5.h \

208
include/osmocom/gprs/protocol/gsm_04_60.h Normal file
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@ -0,0 +1,208 @@
#pragma once
/* General Packet Radio Service (GPRS)
* Radio Link Control / Medium Access Control (RLC/MAC) protocol
* 3GPP TS 04.60 version 8.27.0 Release 1999
*/
#include <stdint.h>
#if OSMO_IS_LITTLE_ENDIAN == 1
/* TS 04.60 10.3a.4.1.1 */
struct gprs_rlc_ul_header_egprs_1 {
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;
} __attribute__ ((packed));
/* TS 04.60 10.3a.4.2.1 */
struct gprs_rlc_ul_header_egprs_2 {
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;
} __attribute__ ((packed));
/* TS 04.60 10.3a.4.3.1 */
struct gprs_rlc_ul_header_egprs_3 {
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;
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_1 {
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;
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_2 {
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;
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_3 {
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;
} __attribute__ ((packed));
#else
/* TS 04.60 10.3a.4.1.1 */
struct gprs_rlc_ul_header_egprs_1 {
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;
} __attribute__ ((packed));
/* TS 04.60 10.3a.4.2.1 */
struct gprs_rlc_ul_header_egprs_2 {
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;
} __attribute__ ((packed));
/* TS 04.60 10.3a.4.3.1 */
struct gprs_rlc_ul_header_egprs_3 {
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;
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_1 {
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;
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_2 {
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;
} __attribute__ ((packed));
struct gprs_rlc_dl_header_egprs_3 {
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;
} __attribute__ ((packed));
#endif