From 3c38e60cd55814a7b4c34f22e0b2e6e671f883c4 Mon Sep 17 00:00:00 2001 From: Max Date: Thu, 15 Feb 2018 15:42:32 +0100 Subject: Add function to encode classmark The code is based on Osmocom-BB implementation. Change-Id: I78f6968edaa3ed535673411fb2a80060a472290f --- src/gsm/gsm48.c | 16 ++++++++++++++++ src/gsm/libosmogsm.map | 1 + 2 files changed, 17 insertions(+) (limited to 'src') diff --git a/src/gsm/gsm48.c b/src/gsm/gsm48.c index b58e9e2c..d9a55273 100644 --- a/src/gsm/gsm48.c +++ b/src/gsm/gsm48.c @@ -508,6 +508,22 @@ void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc, lai48->lac = osmo_htons(lac); } +/*! Encode TS 24.008 ยง10.5.1.5 Mobile Station Classmark 1 + * \param[out] cm caller-provided memory for output + * \param[in] rev_lv Revision level + * \param[in] es_ind ES IND "Controlled Early Classmark Sending" option + * \param[in] a5_1 A5/1 algorithm supported + * \param[in] pwr_lv RF power capability + */ +void gsm48_encode_classmark1(struct gsm48_classmark1 *cm, uint8_t rev_lv, bool es_ind, bool a5_1, uint8_t rf_pwr) +{ + memset(cm, 0, sizeof(*cm)); + cm->rev_lev = rev_lv; + cm->es_ind = es_ind; + cm->a5_1 = !a5_1; + cm->pwr_lev = rf_pwr; +} + /*! Decode TS 04.08 Location Area Identifier * \param[in] Location Area Identifier (encoded) * \param[out] mcc Mobile Country Code diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map index 7a74718c..b6152cec 100644 --- a/src/gsm/libosmogsm.map +++ b/src/gsm/libosmogsm.map @@ -245,6 +245,7 @@ gsm48_encode_redirecting; gsm48_encode_signal; gsm48_encode_ssversion; gsm48_encode_useruser; +gsm48_encode_classmark1; gsm48_generate_lai; gsm48_generate_mid; gsm48_generate_mid_from_imsi; -- cgit v1.2.3