diff options
| author | Philipp Maier <pmaier@sysmocom.de> | 2020-11-01 22:22:56 +0100 |
|---|---|---|
| committer | Philipp Maier <pmaier@sysmocom.de> | 2020-11-27 16:02:45 +0100 |
| commit | 33dfe2bcec8f18f31239fa4c6c48c92f3e42cbe9 (patch) | |
| tree | c1af871bd5ed0ea42810639680ccc34102ee82b4 /include | |
| parent | def24f0d9af2463a5ef557d35f23abd5b4d07120 (diff) | |
l1sap: add repeated downlink FACCH
3GPP TS 44.006, section 10 describes a method how the downlink
FACCH transmission can be repeated to increase transmission
reliability.
Change-Id: I72f0cf7eaaef9f80fc35e752c90ae0e2d24d0c75
Depends: libosmocore I6dda239e9cd7033297bed1deb5eb1d9f87b8433f
Related: OS#4796 SYS#5114
Diffstat (limited to 'include')
| -rw-r--r-- | include/osmo-bts/gsm_data.h | 12 | ||||
| -rw-r--r-- | include/osmo-bts/l1sap.h | 3 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/osmo-bts/gsm_data.h b/include/osmo-bts/gsm_data.h index 7670508a..47a6db82 100644 --- a/include/osmo-bts/gsm_data.h +++ b/include/osmo-bts/gsm_data.h @@ -156,6 +156,11 @@ enum lchan_rel_act_kind { LCHAN_REL_ACT_REACT, /* remove once auto-activation hack is removed from opstart_compl() */ }; +struct gsm_rep_facch { + struct msgb *msg; + uint32_t fn; +}; + struct gsm_lchan { /* The TS that we're part of */ struct gsm_bts_trx_ts *ts; @@ -272,6 +277,10 @@ struct gsm_lchan { } dtx; uint8_t last_cmr; uint32_t last_fn; + + /* SLOT #0 and #1 to store FACCH for repetition */ + struct gsm_rep_facch rep_facch[2]; + } tch; /* 3GPP TS 48.058 ยง 9.3.37: [0; 255] ok, -1 means invalid*/ @@ -314,6 +323,9 @@ struct gsm_lchan { /* ECU (Error Concealment Unit) state */ struct osmo_ecu_state *ecu_state; + + struct abis_rsl_osmo_rep_acch_cap repeated_acch_capability; + bool repeated_dl_facch_active; }; static inline uint8_t lchan_get_ta(const struct gsm_lchan *lchan) diff --git a/include/osmo-bts/l1sap.h b/include/osmo-bts/l1sap.h index 1fcf78cc..85fe5487 100644 --- a/include/osmo-bts/l1sap.h +++ b/include/osmo-bts/l1sap.h @@ -144,4 +144,7 @@ int bts_check_for_first_ciphrd(struct gsm_lchan *lchan, int is_ccch_for_agch(struct gsm_bts_trx *trx, uint32_t fn); +void repeated_dl_facch_active_decision(struct gsm_lchan *lchan, + const uint8_t *l3, size_t l3_len); + #endif /* L1SAP_H */ |