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| author | Harald Welte <laforge@gnumonks.org> | 2010-05-01 12:07:56 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2010-05-01 12:07:56 +0200 |
| commit | d66c2bef54835a181d5ed171fff71b5ab7f2261a (patch) | |
| tree | 34435182ea7af70e3e56596b6d1abef56077e60a /libosmocore/src/gsm_utils.c | |
| parent | f32cc4bee55da4ff20be095eb5f4e883f2f54de6 (diff) | |
| parent | debf95507461965aa82be2fa2bf34119343cfb0e (diff) | |
Merge commit 'debf95507461965aa82be2fa2bf34119343cfb0e'
Diffstat (limited to 'libosmocore/src/gsm_utils.c')
| -rw-r--r-- | libosmocore/src/gsm_utils.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libosmocore/src/gsm_utils.c b/libosmocore/src/gsm_utils.c index 593dd5c94..b392fd37c 100644 --- a/libosmocore/src/gsm_utils.c +++ b/libosmocore/src/gsm_utils.c @@ -359,3 +359,18 @@ uint32_t gsm_gsmtime2fn(struct gsm_time *time) /* TS 05.02 Chapter 4.3.3 TDMA frame number */ return (51 * ((time->t3 - time->t2 + 26) % 26) + time->t3 + (26 * 51 * time->t1)); } + +/* TS 03.03 Chapter 2.6 */ +int gprs_tlli_type(uint32_t tlli) +{ + if ((tlli & 0xc0000000) == 0xc0000000) + return TLLI_LOCAL; + else if ((tlli & 0xc0000000) == 0x80000000) + return TLLI_FOREIGN; + else if ((tlli & 0xf8000000) == 0x78000000) + return TLLI_RANDOM; + else if ((tlli & 0xf8000000) == 0x70000000) + return TLLI_AUXILIARY; + + return TLLI_RESERVED; +} |