diff options
| author | Zong-Zhe Yang <kevin_yang@realtek.com> | 2024-02-06 06:06:20 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2024-02-12 18:37:08 +0300 |
| commit | 4f0beeefcce8ad1035d063a012db6cf510aa1ed1 (patch) | |
| tree | 2482c95df47f272c1cfa338cae54785e01079195 /drivers/net/wireless/realtek/rtw89 | |
| parent | 188045a85614433c8aa176f7899fcfb7c7183408 (diff) | |
| download | linux-4f0beeefcce8ad1035d063a012db6cf510aa1ed1.tar.xz | |
wifi: rtw89: chan: add sub-entity swap function to cover replacing
Originally, we replaced sub-entity of index 0 with another one in some
cases. However, we will need a swap here in following implementations.
So, we introduce it ahead and change code from replacing to swapping.
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://msgid.link/20240206030624.23382-3-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/chan.c | 47 |
1 files changed, 36 insertions, 11 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/chan.c b/drivers/net/wireless/realtek/rtw89/chan.c index 2a95f9db83f9..11d46878f51e 100644 --- a/drivers/net/wireless/realtek/rtw89/chan.c +++ b/drivers/net/wireless/realtek/rtw89/chan.c @@ -1893,6 +1893,41 @@ void rtw89_chanctx_proceed(struct rtw89_dev *rtwdev) rtw89_queue_chanctx_work(rtwdev); } +static void rtw89_swap_sub_entity(struct rtw89_dev *rtwdev, + enum rtw89_sub_entity_idx idx1, + enum rtw89_sub_entity_idx idx2) +{ + struct rtw89_hal *hal = &rtwdev->hal; + struct rtw89_sub_entity tmp; + struct rtw89_vif *rtwvif; + u8 cur; + + if (idx1 == idx2) + return; + + hal->sub[idx1].cfg->idx = idx2; + hal->sub[idx2].cfg->idx = idx1; + + tmp = hal->sub[idx1]; + hal->sub[idx1] = hal->sub[idx2]; + hal->sub[idx2] = tmp; + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + if (!rtwvif->chanctx_assigned) + continue; + if (rtwvif->sub_entity_idx == idx1) + rtwvif->sub_entity_idx = idx2; + else if (rtwvif->sub_entity_idx == idx2) + rtwvif->sub_entity_idx = idx1; + } + + cur = atomic_read(&hal->roc_entity_idx); + if (cur == idx1) + atomic_set(&hal->roc_entity_idx, idx2); + else if (cur == idx2) + atomic_set(&hal->roc_entity_idx, idx1); +} + int rtw89_chanctx_ops_add(struct rtw89_dev *rtwdev, struct ieee80211_chanctx_conf *ctx) { @@ -1918,7 +1953,6 @@ void rtw89_chanctx_ops_remove(struct rtw89_dev *rtwdev, struct rtw89_hal *hal = &rtwdev->hal; struct rtw89_chanctx_cfg *cfg = (struct rtw89_chanctx_cfg *)ctx->drv_priv; enum rtw89_entity_mode mode; - struct rtw89_vif *rtwvif; u8 drop, roll; drop = cfg->idx; @@ -1934,16 +1968,7 @@ void rtw89_chanctx_ops_remove(struct rtw89_dev *rtwdev, /* RTW89_SUB_ENTITY_0 is going to release, and another exists. * Make another roll down to RTW89_SUB_ENTITY_0 to replace. */ - hal->sub[roll].cfg->idx = RTW89_SUB_ENTITY_0; - hal->sub[RTW89_SUB_ENTITY_0] = hal->sub[roll]; - - rtw89_for_each_rtwvif(rtwdev, rtwvif) { - if (rtwvif->sub_entity_idx == roll) - rtwvif->sub_entity_idx = RTW89_SUB_ENTITY_0; - } - - atomic_cmpxchg(&hal->roc_entity_idx, roll, RTW89_SUB_ENTITY_0); - + rtw89_swap_sub_entity(rtwdev, RTW89_SUB_ENTITY_0, roll); drop = roll; out: |