[PATCH 5.14 456/849] mt76: mt7921: fix survey-dump reporting

Greg Kroah-Hartman
2021-11-16T01:28:17Z

From: Lorenzo Bianconi <lorenzo@kernel.org>

[ Upstream commit 64ed76d118c656907ec1155f2cdd24de778470a2 ]

Fix MIB tx-rx MIB counters for survey-dump reporting.

Fixes: 163f4d22c118d ("mt76: mt7921: add MAC support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7921/init.c | 4 ++++
drivers/net/wireless/mediatek/mt76/mt7921/regs.h | 8 ++++++--
2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index a9ce10b988273..52d40385fab6c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -106,6 +106,10 @@ mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);

+ /* enable MIB tx-rx time reporting */
+ mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_TXDUR_EN);
+ mt76_set(dev, MT_MIB_SCR1(band), MT_MIB_RXDUR_EN);
+
mt76_rmw_field(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_MAX_RX_LEN, 1536);
/* disable rx rate report by default due to hw issues */
mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
index b6944c867a573..26fb118237626 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h
@@ -96,6 +96,10 @@
#define MT_WF_MIB_BASE(_band) ((_band) ? 0xa4800 : 0x24800)
#define MT_WF_MIB(_band, ofs) (MT_WF_MIB_BASE(_band) + (ofs))

+#define MT_MIB_SCR1(_band) MT_WF_MIB(_band, 0x004)
+#define MT_MIB_TXDUR_EN BIT(8)
+#define MT_MIB_RXDUR_EN BIT(9)
+
#define MT_MIB_SDR3(_band) MT_WF_MIB(_band, 0x698)
#define MT_MIB_SDR3_FCS_ERR_MASK GENMASK(31, 16)

@@ -108,9 +112,9 @@
#define MT_MIB_SDR34(_band) MT_WF_MIB(_band, 0x090)
#define MT_MIB_MU_BF_TX_CNT GENMASK(15, 0)

-#define MT_MIB_SDR36(_band) MT_WF_MIB(_band, 0x098)
+#define MT_MIB_SDR36(_band) MT_WF_MIB(_band, 0x054)
#define MT_MIB_SDR36_TXTIME_MASK GENMASK(23, 0)
-#define MT_MIB_SDR37(_band) MT_WF_MIB(_band, 0x09c)
+#define MT_MIB_SDR37(_band) MT_WF_MIB(_band, 0x058)
#define MT_MIB_SDR37_RXTIME_MASK GENMASK(23, 0)

#define MT_MIB_DR8(_band) MT_WF_MIB(_band, 0x0c0)
--
2.33.0