summaryrefslogtreecommitdiffstats
path: root/src/gsm_utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gsm_utils.c')
-rw-r--r--src/gsm_utils.c17
1 files changed, 17 insertions, 0 deletions
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;
+}