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wifi: mt76: mt7996: add duplicated WTBL command

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This is a firmware mechanism to improve packet loss issues for mt7996 and
mt7992 chipsets.

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20251215063728.3013365-6-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Shayne Chen 2025-12-15 14:37:27 +08:00 committed by Felix Fietkau
parent 956d2e65da
commit 7f3ec77859
4 changed files with 32 additions and 2 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7996/init.c
View File

@ -756,6 +756,9 @@ static void mt7996_init_work(struct work_struct *work)
mt7996_mcu_set_eeprom(dev);
mt7996_mac_init(dev);
mt7996_txbf_init(dev);
if (!is_mt7990(&dev->mt76))
mt7996_mcu_set_dup_wtbl(dev);
}
void mt7996_wfsys_reset(struct mt7996_dev *dev)

25
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
View File

@ -4033,7 +4033,6 @@ int mt7996_mcu_get_eeprom_free_block(struct mt7996_dev *dev, u8 *block_num)
int mt7996_mcu_get_chip_config(struct mt7996_dev *dev, u32 *cap)
{
#define NIC_CAP 3
#define UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION 0x21
struct {
u8 _rsv[4];
@ -4041,7 +4040,7 @@ int mt7996_mcu_get_chip_config(struct mt7996_dev *dev, u32 *cap)
__le16 tag;
__le16 len;
} __packed req = {
.tag = cpu_to_le16(NIC_CAP),
.tag = cpu_to_le16(UNI_CHIP_CONFIG_NIC_CAPA),
.len = cpu_to_le16(sizeof(req) - 4),
};
struct sk_buff *skb;
@ -5048,3 +5047,25 @@ int mt7996_mcu_cp_support(struct mt7996_dev *dev, u8 mode)
return mt76_mcu_send_msg(&dev->mt76, MCU_WA_EXT_CMD(CP_SUPPORT),
&cp_mode, sizeof(cp_mode), true);
}
int mt7996_mcu_set_dup_wtbl(struct mt7996_dev *dev)
{
#define DUP_WTBL_NUM 80
struct {
u8 _rsv[4];
__le16 tag;
__le16 len;
__le16 base;
__le16 num;
u8 _rsv2[4];
} __packed req = {
.tag = cpu_to_le16(UNI_CHIP_CONFIG_DUP_WTBL),
.len = cpu_to_le16(sizeof(req) - 4),
.base = cpu_to_le16(MT7996_WTBL_STA - DUP_WTBL_NUM + 1),
.num = cpu_to_le16(DUP_WTBL_NUM),
};
return mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(CHIP_CONFIG), &req,
sizeof(req), true);
}

5
drivers/net/wireless/mediatek/mt76/mt7996/mcu.h
View File

@ -798,6 +798,11 @@ enum {
UNI_CHANNEL_RX_PATH,
};
enum {
UNI_CHIP_CONFIG_NIC_CAPA = 3,
UNI_CHIP_CONFIG_DUP_WTBL = 4,
};
#define MT7996_BSS_UPDATE_MAX_SIZE (sizeof(struct bss_req_hdr) + \
sizeof(struct mt76_connac_bss_basic_tlv) + \
sizeof(struct bss_rlm_tlv) + \

1
drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
View File

@ -748,6 +748,7 @@ void mt7996_mcu_exit(struct mt7996_dev *dev);
int mt7996_mcu_get_all_sta_info(struct mt7996_phy *phy, u16 tag);
int mt7996_mcu_wed_rro_reset_sessions(struct mt7996_dev *dev, u16 id);
int mt7996_mcu_set_sniffer_mode(struct mt7996_phy *phy, bool enabled);
int mt7996_mcu_set_dup_wtbl(struct mt7996_dev *dev);
static inline bool mt7996_has_hwrro(struct mt7996_dev *dev)
{