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| author | Alexander Couzens <lynxis@fe80.eu> | 2021-11-05 02:00:17 +0100 |
|---|---|---|
| committer | Alexander Couzens <lynxis@fe80.eu> | 2021-11-27 04:39:34 +0100 |
| commit | 2c5e46104e2fe718e6e68739ef70c4f8b1a586fe (patch) | |
| tree | d8aa94a4e5968c8e29eb44ac6e1b89ffc8725862 /src/libmsc/msc_a.c | |
| parent | 8b7d78588aa33489d9055afbf8e3c4d203bc6839 (diff) | |
libmsc/gsm_04_08: refactor require ciphering into an own function
Make it more readable.
Change-Id: I9e407f65b282e645feabe714f7f4c3e44fae21e9
Diffstat (limited to 'src/libmsc/msc_a.c')
| -rw-r--r-- | src/libmsc/msc_a.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c index 583f9e7b2..74721d2de 100644 --- a/src/libmsc/msc_a.c +++ b/src/libmsc/msc_a.c @@ -106,6 +106,16 @@ struct msc_a *msc_a_fi_priv(struct osmo_fsm_inst *fi) return fi->priv; } +bool msc_a_require_ciphering(const struct msc_a *msc_a) +{ + struct gsm_network *net = msc_a_net(msc_a); + bool is_utran = (msc_a->c.ran->type == OSMO_RAT_UTRAN_IU); + if (is_utran) + return net->uea_encryption_mask > (1 << OSMO_UTRAN_UEA0); + else + return net->a5_encryption_mask > 0x1; +} + static void update_counters(struct osmo_fsm_inst *fi, bool conn_accepted) { struct msc_a *msc_a = fi->priv; |