From c226317c9c7297bebd030af3a7ffd13f2272bc59 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Tue, 1 Jun 2010 10:47:07 +0200
Subject: add new new gprs_tmsi2tlli() function

---
 src/gsm_utils.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src')

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;
+}
-- 
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