diff mbox series

[21/24] rtw88: do not count dummy tail into rx counter

Message ID 1548937297-14660-22-git-send-email-yhchuang@realtek.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series rtw88: major fixes for 8822c to have stable functionalities | expand

Commit Message

Tony Chuang Jan. 31, 2019, 12:21 p.m. UTC 
From: Yan-Hsuan Chuang <yhchuang@realtek.com>

If BIT_DUMMY_FCS_READY_MASK_EN is not enabled, hardware will not mask
out dummy tails and takes them into VHT rx count. Enable the mask to get
expected RX counter.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/reg.h      | 2 ++
 drivers/net/wireless/realtek/rtw88/rtw8822c.c | 1 +
 2 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h
index 81eec3c..e69052a 100644
--- a/drivers/net/wireless/realtek/rtw88/reg.h
+++ b/drivers/net/wireless/realtek/rtw88/reg.h
@@ -391,6 +391,8 @@ 
 	(BIT_CLEAR_RXPSF_ERRTHR(x) | BIT_RXPSF_ERRTHR(v))
 
 #define REG_RXPSF_TYPE_CTRL	0x1614
+#define REG_GENERAL_OPTION	0x1664
+#define BIT_DUMMY_FCS_READY_MASK_EN BIT(9)
 
 #define REG_WL2LTECOEX_INDIRECT_ACCESS_CTRL_V1		0x1700
 #define REG_WL2LTECOEX_INDIRECT_ACCESS_WRITE_DATA_V1	0x1704
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index cbc6e26..c3aebdc 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
@@ -900,6 +900,7 @@  static int rtw8822c_mac_init(struct rtw_dev *rtwdev)
 	rtw_write8(rtwdev, REG_RX_PKT_LIMIT, WLAN_RXPKT_MAX_SZ_512);
 	rtw_write8(rtwdev, REG_TCR + 2, WLAN_TX_FUNC_CFG2);
 	rtw_write8(rtwdev, REG_TCR + 1, WLAN_TX_FUNC_CFG1);
+	rtw_write32_set(rtwdev, REG_GENERAL_OPTION, BIT_DUMMY_FCS_READY_MASK_EN);
 	rtw_write32(rtwdev, REG_WMAC_OPTION_FUNCTION + 8, WLAN_MAC_OPT_FUNC2);
 	rtw_write8(rtwdev, REG_WMAC_OPTION_FUNCTION_1, WLAN_MAC_OPT_NORM_FUNC1);