diff options
| author | Max <msuraev@sysmocom.de> | 2017-01-25 16:19:20 +0100 |
|---|---|---|
| committer | Max <msuraev@sysmocom.de> | 2017-03-07 15:11:14 +0100 |
| commit | abf53d87b6648f2d42562c5699e9035afd92e608 (patch) | |
| tree | 472d668f32d4bf53a2de8a3e5de1bb34bb7084c2 /openbsc/include | |
| parent | 0b61932e7f1efd8d6f914da48d9304ff31c9d6d1 (diff) | |
Add MS time. offset to gsm_lchan
Add MS TIMING OFFSET (3GPP TS 48.058 § 8.4.8) and P offset (3GPP TS
45.010 § 1.2) which can be used to compute MS TO from known TA.
This will be used by osmo-bts (see
I4dfe5c48834a083e757d5de3236a02e15a238b28) to provide MS TO as part of
RSL MEASUREMENT RESULT.
Change-Id: I8bda57c8d6c15bbb803eca708931556dae118a00
Related: OS#1574
Diffstat (limited to 'openbsc/include')
| -rw-r--r-- | openbsc/include/openbsc/gsm_data_shared.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/gsm_data_shared.h b/openbsc/include/openbsc/gsm_data_shared.h index 91bdfcef4..7c469eeef 100644 --- a/openbsc/include/openbsc/gsm_data_shared.h +++ b/openbsc/include/openbsc/gsm_data_shared.h @@ -327,6 +327,12 @@ struct gsm_lchan { uint8_t last_cmr; uint32_t last_fn; } tch; + + /* 3GPP TS 48.058 § 9.3.37: [0; 255] ok, -1 means invalid*/ + int16_t ms_t_offs; + /* 3GPP TS 45.010 § 1.2 round trip propagation delay (in symbols) or -1 */ + int16_t p_offs; + /* BTS-side ciphering state (rx only, bi-directional, ...) */ uint8_t ciph_state; uint8_t ciph_ns; |