From: Max msuraev@sysmocom.de

Explicitly store and use "center" arfcn used by each dsp (1 dsp corresponds to 1 phy link). --- include/osmo-bts/phy_link.h | 3 ++- src/osmo-bts-octphy/l1_oml.c | 9 ++++++++- 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/include/osmo-bts/phy_link.h b/include/osmo-bts/phy_link.h index e31971e..a559aa3 100644 --- a/include/osmo-bts/phy_link.h +++ b/include/osmo-bts/phy_link.h @@ -62,7 +62,8 @@ struct phy_link { uint32_t rf_port_index; uint32_t rx_gain_db; uint32_t tx_atten_db; - + /* arfcn used by TRX with id 0 */ + uint16_t center_arfcn; struct octphy_hdl *hdl; } octphy; } u; diff --git a/src/osmo-bts-octphy/l1_oml.c b/src/osmo-bts-octphy/l1_oml.c index bdf39bf..14181dc 100644 --- a/src/osmo-bts-octphy/l1_oml.c +++ b/src/osmo-bts-octphy/l1_oml.c @@ -1304,7 +1304,14 @@ int l1if_trx_open(struct gsm_bts_trx *trx) oc->TrxId.byTrxId = pinst->u.octphy.trx_id; oc->Config.ulBand = osmocom_to_octphy_band(trx->bts->band, trx->arfcn); oc->Config.usArfcn = trx->arfcn; - oc->Config.usCentreArfcn = trx->bts->c0->arfcn; + + if (pinst->u.octphy.trx_id) + oc->Config.usCentreArfcn = plink->u.octphy.center_arfcn; + else { + oc->Config.usCentreArfcn = trx->arfcn; + plink->u.octphy.center_arfcn = trx->arfcn; + } + oc->Config.usTsc = trx->bts->bsic & 0x7; oc->Config.usBcchArfcn = trx->bts->c0->arfcn; oc->RfConfig.ulRxGainDb = plink->u.octphy.rx_gain_db;