diff options
| author | Eric Huang <echuang@realtek.com> | 2022-06-08 14:32:24 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-06-10 10:40:28 +0300 |
| commit | bc0130524cd9a0fda36a14986686a8041ef43fb7 (patch) | |
| tree | 036f7871d7d8096cae9565f2d6774efc9b10d606 /drivers/net/wireless/realtek | |
| parent | 5165f1689a2c42b8f1b6b007425d10229c9bf155 (diff) | |
| download | linux-bc0130524cd9a0fda36a14986686a8041ef43fb7.tar.xz | |
rtw89: add new state to CFO state machine for UL-OFDMA
Add an new state, RTW89_PHY_DCFO_STATE_HOLD, to keep CFO acceleration
after CFO_PERIOD_CNT if the traffic is UL-OFDMA, which is calculated
based on RX trigger frame counter.
Signed-off-by: Eric Huang <echuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220608113224.11193-4-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/core.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/phy.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/phy.h | 1 |
3 files changed, 29 insertions, 3 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 1fa6fe8b9953..239d47d0ec6d 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -2809,13 +2809,20 @@ enum rtw89_multi_cfo_mode { enum rtw89_phy_cfo_status { RTW89_PHY_DCFO_STATE_NORMAL = 0, RTW89_PHY_DCFO_STATE_ENHANCE = 1, + RTW89_PHY_DCFO_STATE_HOLD = 2, RTW89_PHY_DCFO_STATE_MAX }; +enum rtw89_phy_cfo_ul_ofdma_acc_mode { + RTW89_CFO_UL_OFDMA_ACC_DISABLE = 0, + RTW89_CFO_UL_OFDMA_ACC_ENABLE = 1 +}; + struct rtw89_cfo_tracking_info { u16 cfo_timer_ms; bool cfo_trig_by_timer_en; enum rtw89_phy_cfo_status phy_cfo_status; + enum rtw89_phy_cfo_ul_ofdma_acc_mode cfo_ul_ofdma_acc_mode; u8 phy_cfo_trk_cnt; bool is_adjust; enum rtw89_multi_cfo_mode rtw89_multi_cfo_mode; diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index 762cdba9d3cf..217aacb6e8c1 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -2151,6 +2151,7 @@ static void rtw89_phy_cfo_init(struct rtw89_dev *rtwdev) cfo->cfo_trig_by_timer_en = false; cfo->phy_cfo_trk_cnt = 0; cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_NORMAL; + cfo->cfo_ul_ofdma_acc_mode = RTW89_CFO_UL_OFDMA_ACC_ENABLE; } static void rtw89_phy_cfo_crystal_cap_adjust(struct rtw89_dev *rtwdev, @@ -2419,6 +2420,13 @@ void rtw89_phy_cfo_track(struct rtw89_dev *rtwdev) { struct rtw89_cfo_tracking_info *cfo = &rtwdev->cfo_tracking; struct rtw89_traffic_stats *stats = &rtwdev->stats; + bool is_ul_ofdma = false, ofdma_acc_en = false; + + if (stats->rx_tf_periodic > CFO_TF_CNT_TH) + is_ul_ofdma = true; + if (cfo->cfo_ul_ofdma_acc_mode == RTW89_CFO_UL_OFDMA_ACC_ENABLE && + is_ul_ofdma) + ofdma_acc_en = true; switch (cfo->phy_cfo_status) { case RTW89_PHY_DCFO_STATE_NORMAL: @@ -2430,16 +2438,26 @@ void rtw89_phy_cfo_track(struct rtw89_dev *rtwdev) } break; case RTW89_PHY_DCFO_STATE_ENHANCE: - if (cfo->phy_cfo_trk_cnt >= CFO_PERIOD_CNT) { + if (stats->tx_throughput <= CFO_TP_LOWER) + cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_NORMAL; + else if (ofdma_acc_en && + cfo->phy_cfo_trk_cnt >= CFO_PERIOD_CNT) + cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_HOLD; + else + cfo->phy_cfo_trk_cnt++; + + if (cfo->phy_cfo_status == RTW89_PHY_DCFO_STATE_NORMAL) { cfo->phy_cfo_trk_cnt = 0; cfo->cfo_trig_by_timer_en = false; } - if (cfo->cfo_trig_by_timer_en == 1) - cfo->phy_cfo_trk_cnt++; + break; + case RTW89_PHY_DCFO_STATE_HOLD: if (stats->tx_throughput <= CFO_TP_LOWER) { cfo->phy_cfo_status = RTW89_PHY_DCFO_STATE_NORMAL; cfo->phy_cfo_trk_cnt = 0; cfo->cfo_trig_by_timer_en = false; + } else { + cfo->phy_cfo_trk_cnt++; } break; default: diff --git a/drivers/net/wireless/realtek/rtw89/phy.h b/drivers/net/wireless/realtek/rtw89/phy.h index 291660154d58..e20636f54b55 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.h +++ b/drivers/net/wireless/realtek/rtw89/phy.h @@ -62,6 +62,7 @@ #define CFO_COMP_PERIOD 250 #define CFO_COMP_WEIGHT 8 #define MAX_CFO_TOLERANCE 30 +#define CFO_TF_CNT_TH 300 #define CCX_MAX_PERIOD 2097 #define CCX_MAX_PERIOD_UNIT 32 |