diff options
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/chan.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/chan.c b/drivers/net/wireless/realtek/rtw89/chan.c index e09541ceb504..67acdcc1f535 100644 --- a/drivers/net/wireless/realtek/rtw89/chan.c +++ b/drivers/net/wireless/realtek/rtw89/chan.c @@ -1185,6 +1185,107 @@ static int __rtw89_mcc_calc_pattern_strict(struct rtw89_dev *rtwdev, return 0; } +static void __rtw89_mcc_fill_ptrn_anchor_ref(struct rtw89_dev *rtwdev, + struct rtw89_mcc_pattern *ptrn, + bool small_bcn_ofst) +{ + struct rtw89_mcc_info *mcc = &rtwdev->mcc; + struct rtw89_mcc_role *ref = &mcc->role_ref; + struct rtw89_mcc_role *aux = &mcc->role_aux; + struct rtw89_mcc_config *config = &mcc->config; + u16 bcn_ofst = config->beacon_offset; + u16 ref_tob; + u16 ref_toa; + + if (ref->limit.enable) { + ref_tob = ref->limit.max_tob; + ref_toa = ref->limit.max_toa; + } else { + ref_tob = ref->duration / 2; + ref_toa = ref->duration / 2; + } + + if (small_bcn_ofst) { + ptrn->toa_ref = ref_toa; + ptrn->tob_ref = ref->duration - ptrn->toa_ref; + } else { + ptrn->tob_ref = ref_tob; + ptrn->toa_ref = ref->duration - ptrn->tob_ref; + } + + ptrn->tob_aux = bcn_ofst - ptrn->toa_ref; + ptrn->toa_aux = aux->duration - ptrn->tob_aux; +} + +static void __rtw89_mcc_fill_ptrn_anchor_aux(struct rtw89_dev *rtwdev, + struct rtw89_mcc_pattern *ptrn, + bool small_bcn_ofst) +{ + struct rtw89_mcc_info *mcc = &rtwdev->mcc; + struct rtw89_mcc_role *ref = &mcc->role_ref; + struct rtw89_mcc_role *aux = &mcc->role_aux; + struct rtw89_mcc_config *config = &mcc->config; + u16 bcn_ofst = config->beacon_offset; + u16 aux_tob; + u16 aux_toa; + + if (aux->limit.enable) { + aux_tob = aux->limit.max_tob; + aux_toa = aux->limit.max_toa; + } else { + aux_tob = aux->duration / 2; + aux_toa = aux->duration / 2; + } + + if (small_bcn_ofst) { + ptrn->tob_aux = aux_tob; + ptrn->toa_aux = aux->duration - ptrn->tob_aux; + } else { + ptrn->toa_aux = aux_toa; + ptrn->tob_aux = aux->duration - ptrn->toa_aux; + } + + ptrn->toa_ref = bcn_ofst - ptrn->tob_aux; + ptrn->tob_ref = ref->duration - ptrn->toa_ref; +} + +static int __rtw89_mcc_calc_pattern_anchor(struct rtw89_dev *rtwdev, + struct rtw89_mcc_pattern *ptrn, + bool hdl_bt) +{ + struct rtw89_mcc_info *mcc = &rtwdev->mcc; + struct rtw89_mcc_role *ref = &mcc->role_ref; + struct rtw89_mcc_role *aux = &mcc->role_aux; + struct rtw89_mcc_config *config = &mcc->config; + u16 mcc_intvl = config->mcc_interval; + u16 bcn_ofst = config->beacon_offset; + bool small_bcn_ofst; + + if (bcn_ofst < RTW89_MCC_MIN_RX_BCN_TIME) + small_bcn_ofst = true; + else if (mcc_intvl - bcn_ofst < RTW89_MCC_MIN_RX_BCN_TIME) + small_bcn_ofst = false; + else + return -EPERM; + + *ptrn = (typeof(*ptrn)){ + .plan = hdl_bt ? RTW89_MCC_PLAN_TAIL_BT : RTW89_MCC_PLAN_NO_BT, + }; + + rtw89_debug(rtwdev, RTW89_DBG_CHAN, + "MCC calc ptrn_ac: plan %d, bcn_ofst %d\n", + ptrn->plan, bcn_ofst); + + if (ref->is_go || ref->is_gc) + __rtw89_mcc_fill_ptrn_anchor_ref(rtwdev, ptrn, small_bcn_ofst); + else if (aux->is_go || aux->is_gc) + __rtw89_mcc_fill_ptrn_anchor_aux(rtwdev, ptrn, small_bcn_ofst); + else + __rtw89_mcc_fill_ptrn_anchor_ref(rtwdev, ptrn, small_bcn_ofst); + + return 0; +} + static int rtw89_mcc_calc_pattern(struct rtw89_dev *rtwdev, bool hdl_bt) { struct rtw89_mcc_info *mcc = &rtwdev->mcc; @@ -1238,6 +1339,10 @@ static int rtw89_mcc_calc_pattern(struct rtw89_dev *rtwdev, bool hdl_bt) goto done; } + ret = __rtw89_mcc_calc_pattern_anchor(rtwdev, &ptrn, hdl_bt); + if (!ret) + goto done; + __rtw89_mcc_calc_pattern_loose(rtwdev, &ptrn, hdl_bt); done: |