diff options
| author | Zong-Zhe Yang <kevin_yang@realtek.com> | 2023-01-19 09:24:52 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-02-13 20:04:59 +0300 |
| commit | 42db7edd5c0523b43a004779caf36e1ebac80b40 (patch) | |
| tree | a20f251002511990d023f94dec6df9f2ef2ef0cb /drivers/net/wireless/realtek/rtw89/mac.c | |
| parent | 1120e6a6c5cd1144694209d6aa6a225af064950a (diff) | |
| download | linux-42db7edd5c0523b43a004779caf36e1ebac80b40.tar.xz | |
wifi: rtw89: split out generic part of rtw89_mac_port_tsf_sync()
Originally, rtw89_mac_port_tsf_sync() contains randomization logic
internally. However, not all situation, we need the randomization.
So, split out the generic part from it. And, make the full logic of
original one contained in rtw89_mac_port_tsf_sync_rand(). It will
still be used by its original caller as before. Then, the generic
one will be used in MCC (multi-channel concurrency) management flow.
MCC will implement its logic to decide the offset for TSF sync.
Signed-off-by: Zong-Zhe Yang <kevin_yang@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/20230119062453.58341-3-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/mac.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index ea34b4df21a7..c13edd33b1a4 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -3918,27 +3918,36 @@ static void rtw89_mac_port_cfg_tbtt_shift(struct rtw89_dev *rtwdev, B_AX_TBTT_SHIFT_OFST_MASK, val); } -static void rtw89_mac_port_tsf_sync(struct rtw89_dev *rtwdev, - struct rtw89_vif *rtwvif, - struct rtw89_vif *rtwvif_src, u8 offset, - int *n_offset) +void rtw89_mac_port_tsf_sync(struct rtw89_dev *rtwdev, + struct rtw89_vif *rtwvif, + struct rtw89_vif *rtwvif_src, + u16 offset_tu) { u32 val, reg; + val = RTW89_PORT_OFFSET_TU_TO_32US(offset_tu); + reg = rtw89_mac_reg_by_idx(R_AX_PORT0_TSF_SYNC + rtwvif->port * 4, + rtwvif->mac_idx); + + rtw89_write32_mask(rtwdev, reg, B_AX_SYNC_PORT_SRC, rtwvif_src->port); + rtw89_write32_mask(rtwdev, reg, B_AX_SYNC_PORT_OFFSET_VAL, val); + rtw89_write32_set(rtwdev, reg, B_AX_SYNC_NOW); +} + +static void rtw89_mac_port_tsf_sync_rand(struct rtw89_dev *rtwdev, + struct rtw89_vif *rtwvif, + struct rtw89_vif *rtwvif_src, + u8 offset, int *n_offset) +{ if (rtwvif->net_type != RTW89_NET_TYPE_AP_MODE || rtwvif == rtwvif_src) return; /* adjust offset randomly to avoid beacon conflict */ offset = offset - offset / 4 + get_random_u32() % (offset / 2); - val = (*n_offset) * RTW89_PORT_OFFSET_TU_TO_32US(offset); - reg = rtw89_mac_reg_by_idx(R_AX_PORT0_TSF_SYNC + rtwvif->port * 4, - rtwvif->mac_idx); + rtw89_mac_port_tsf_sync(rtwdev, rtwvif, rtwvif_src, + (*n_offset) * offset); (*n_offset)++; - - rtw89_write32_mask(rtwdev, reg, B_AX_SYNC_PORT_SRC, rtwvif_src->port); - rtw89_write32_mask(rtwdev, reg, B_AX_SYNC_PORT_OFFSET_VAL, val); - rtw89_write32_set(rtwdev, reg, B_AX_SYNC_NOW); } static void rtw89_mac_port_tsf_resync_all(struct rtw89_dev *rtwdev) @@ -3960,7 +3969,7 @@ static void rtw89_mac_port_tsf_resync_all(struct rtw89_dev *rtwdev) offset /= (vif_aps + 1); rtw89_for_each_rtwvif(rtwdev, tmp) - rtw89_mac_port_tsf_sync(rtwdev, tmp, src, offset, &n_offset); + rtw89_mac_port_tsf_sync_rand(rtwdev, tmp, src, offset, &n_offset); } int rtw89_mac_vif_init(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif) |