6.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Peter Chiu <chui-hao.chiu@xxxxxxxxxxxx>
[ Upstream commit a04b920fbc707deb699292cdae47006e8ea57d87 ]
Fix incorrect RXD offset and bitfield related to RX checksum offload.
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Fixes: 4e9011fcdfc4 ("wifi: mt76: connac: move connac3 definitions in mt76_connac3_mac.h")
Co-developed-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
Signed-off-by: Peter Chiu <chui-hao.chiu@xxxxxxxxxxxx>
Link: https://patch.msgid.link/20240816095040.2574-1-shayne.chen@xxxxxxxxxxxx
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h | 4 ++--
drivers/net/wireless/mediatek/mt76/mt7925/mac.c | 5 ++---
drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 4 ++--
3 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h
index 353e660698409..ef003d1620a5b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h
@@ -28,8 +28,6 @@ enum {
#define MT_RXD0_MESH BIT(18)
#define MT_RXD0_MHCP BIT(19)
#define MT_RXD0_NORMAL_ETH_TYPE_OFS GENMASK(22, 16)
-#define MT_RXD0_NORMAL_IP_SUM BIT(23)
-#define MT_RXD0_NORMAL_UDP_TCP_SUM BIT(24)
#define MT_RXD0_SW_PKT_TYPE_MASK GENMASK(31, 16)
#define MT_RXD0_SW_PKT_TYPE_MAP 0x380F
@@ -80,6 +78,8 @@ enum {
#define MT_RXD3_NORMAL_BEACON_UC BIT(21)
#define MT_RXD3_NORMAL_CO_ANT BIT(22)
#define MT_RXD3_NORMAL_FCS_ERR BIT(24)
+#define MT_RXD3_NORMAL_IP_SUM BIT(26)
+#define MT_RXD3_NORMAL_UDP_TCP_SUM BIT(27)
#define MT_RXD3_NORMAL_VLAN2ETH BIT(31)
/* RXD DW4 */
diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c
index c2460ef4993db..e9d2d0f22a586 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c
@@ -350,7 +350,7 @@ mt7925_mac_fill_rx_rate(struct mt792x_dev *dev,
static int
mt7925_mac_fill_rx(struct mt792x_dev *dev, struct sk_buff *skb)
{
- u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
+ u32 csum_mask = MT_RXD3_NORMAL_IP_SUM | MT_RXD3_NORMAL_UDP_TCP_SUM;
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
bool hdr_trans, unicast, insert_ccmp_hdr = false;
u8 chfreq, qos_ctl = 0, remove_pad, amsdu_info;
@@ -360,7 +360,6 @@ mt7925_mac_fill_rx(struct mt792x_dev *dev, struct sk_buff *skb)
struct mt792x_phy *phy = &dev->phy;
struct ieee80211_supported_band *sband;
u32 csum_status = *(u32 *)skb->cb;
- u32 rxd0 = le32_to_cpu(rxd[0]);
u32 rxd1 = le32_to_cpu(rxd[1]);
u32 rxd2 = le32_to_cpu(rxd[2]);
u32 rxd3 = le32_to_cpu(rxd[3]);
@@ -418,7 +417,7 @@ mt7925_mac_fill_rx(struct mt792x_dev *dev, struct sk_buff *skb)
if (!sband->channels)
return -EINVAL;
- if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask &&
+ if (mt76_is_mmio(&dev->mt76) && (rxd3 & csum_mask) == csum_mask &&
!(csum_status & (BIT(0) | BIT(2) | BIT(3))))
skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
index bc7111a71f98c..fd5fe96c32e3d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -435,7 +435,7 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, enum mt76_rxq_id q,
u32 rxd2 = le32_to_cpu(rxd[2]);
u32 rxd3 = le32_to_cpu(rxd[3]);
u32 rxd4 = le32_to_cpu(rxd[4]);
- u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
+ u32 csum_mask = MT_RXD3_NORMAL_IP_SUM | MT_RXD3_NORMAL_UDP_TCP_SUM;
u32 csum_status = *(u32 *)skb->cb;
u32 mesh_mask = MT_RXD0_MESH | MT_RXD0_MHCP;
bool is_mesh = (rxd0 & mesh_mask) == mesh_mask;
@@ -497,7 +497,7 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, enum mt76_rxq_id q,
if (!sband->channels)
return -EINVAL;
- if ((rxd0 & csum_mask) == csum_mask &&
+ if ((rxd3 & csum_mask) == csum_mask &&
!(csum_status & (BIT(0) | BIT(2) | BIT(3))))
skb->ip_summed = CHECKSUM_UNNECESSARY;
--
2.43.0
