diff mbox series

[2/3] rtw88: 8822c: add tx stbc support under HT mode

Message ID 20210713104524.47101-2-pkshih@realtek.com (mailing list archive)
State Accepted
Commit 81a68a1424bae4f2cb802691e1d3975fdf929b40
Delegated to: Kalle Valo
Headers show
Series [1/3] rtw88: adjust the log level for failure of tx report | expand

Commit Message

Ping-Ke Shih July 13, 2021, 10:45 a.m. UTC 
From: Po-Hao Huang <phhuang@realtek.com>

Enabling this improves tx performance for long distance transmission.
We used to enable stbc by the rx stbc cap of the associated station.
But rx cap will be masked out in ieee80211_ht_cap_ie_to_sta_ht_cap
if we do not declare tx stbc.

Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/main.c     | 2 ++
 drivers/net/wireless/realtek/rtw88/main.h     | 6 ++++++
 drivers/net/wireless/realtek/rtw88/rtw8822c.c | 1 +
 3 files changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index c6364837e83b..6bb55e663fc3 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -1338,6 +1338,8 @@  static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
 
 	if (rtw_chip_has_rx_ldpc(rtwdev))
 		ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING;
+	if (rtw_chip_has_tx_stbc(rtwdev))
+		ht_cap->cap |= IEEE80211_HT_CAP_TX_STBC;
 
 	if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40))
 		ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index e5af375b3dd0..56812127a053 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -1146,6 +1146,7 @@  struct rtw_chip_info {
 	u8 txgi_factor;
 	bool is_pwr_by_rate_dec;
 	bool rx_ldpc;
+	bool tx_stbc;
 	u8 max_power_index;
 
 	u16 fw_fifo_addr[RTW_FW_FIFO_MAX];
@@ -1959,6 +1960,11 @@  static inline bool rtw_chip_has_rx_ldpc(struct rtw_dev *rtwdev)
 	return rtwdev->chip->rx_ldpc;
 }
 
+static inline bool rtw_chip_has_tx_stbc(struct rtw_dev *rtwdev)
+{
+	return rtwdev->chip->tx_stbc;
+}
+
 static inline void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id)
 {
 	clear_bit(mac_id, rtwdev->mac_id_map);
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index 8bf3cd3a3678..f3ad079967a6 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
@@ -5288,6 +5288,7 @@  struct rtw_chip_info rtw8822c_hw_spec = {
 	.bfer_su_max_num = 2,
 	.bfer_mu_max_num = 1,
 	.rx_ldpc = true,
+	.tx_stbc = true,
 
 #ifdef CONFIG_PM
 	.wow_fw_name = "rtw88/rtw8822c_wow_fw.bin",