diff options
| -rw-r--r-- | include/osmocore/gsm_utils.h | 4 | ||||
| -rw-r--r-- | src/gsm_utils.c | 17 |
2 files changed, 20 insertions, 1 deletions
diff --git a/include/osmocore/gsm_utils.h b/include/osmocore/gsm_utils.h index 51e9f2e6..685bc901 100644 --- a/include/osmocore/gsm_utils.h +++ b/include/osmocore/gsm_utils.h @@ -88,7 +88,7 @@ void gsm_fn2gsmtime(struct gsm_time *time, uint32_t fn); uint32_t gsm_gsmtime2fn(struct gsm_time *time); /* GSM TS 03.03 Chapter 2.6 */ -enum gprs_tlli_tyoe { +enum gprs_tlli_type { TLLI_LOCAL, TLLI_FOREIGN, TLLI_RANDOM, @@ -99,5 +99,7 @@ enum gprs_tlli_tyoe { /* TS 03.03 Chapter 2.6 */ int gprs_tlli_type(uint32_t tlli); +uint32_t gprs_tmsi2tlli(uint32_t p_tmsi, enum gprs_tlli_type type); + void generate_backtrace(); #endif diff --git a/src/gsm_utils.c b/src/gsm_utils.c index b392fd37..913946ed 100644 --- a/src/gsm_utils.c +++ b/src/gsm_utils.c @@ -374,3 +374,20 @@ int gprs_tlli_type(uint32_t tlli) return TLLI_RESERVED; } + +uint32_t gprs_tmsi2tlli(uint32_t p_tmsi, enum gprs_tlli_type type) +{ + uint32_t tlli; + switch (type) { + case TLLI_LOCAL: + tlli = p_tmsi | 0xc0000000; + break; + case TLLI_FOREIGN: + tlli = (p_tmsi & 0x3fffffff) | 0x80000000; + break; + default: + tlli = 0; + break; + } + return tlli; +} |