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mt76: mt7921: introduce support for hardware beacon filter 

Introduce support for hw beacon filter available in the mt7921 firmware.

According to mt7921e firmware, enabling hardware filter would rely on
mt7921_mcu_uni_bss_bcnft and disabling hardware filter still rely on legacy
mt7921_mcu_set_bss_pm.

Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Soul Huang <Soul.Huang@mediatek.com>
Signed-off-by: Soul Huang <Soul.Huang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2021-01-28 03:33:47 +08:00 committed by Felix Fietkau
parent 56d965da13
commit 4086ee28e2
3 changed files with 80 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
View File

@ -2500,3 +2500,78 @@ int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif)
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
&ps_req, sizeof(ps_req), true);
}
int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
bool enable)
{
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
struct {
struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
struct bcnft_tlv {
__le16 tag;
__le16 len;
__le16 bcn_interval;
u8 dtim_period;
u8 pad;
} __packed bcnft;
} __packed bcnft_req = {
.hdr = {
.bss_idx = mvif->mt76.idx,
},
.bcnft = {
.tag = cpu_to_le16(UNI_BSS_INFO_BCNFT),
.len = cpu_to_le16(sizeof(struct bcnft_tlv)),
.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
.dtim_period = vif->bss_conf.dtim_period,
},
};
if (vif->type != NL80211_IFTYPE_STATION)
return 0;
return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
&bcnft_req, sizeof(bcnft_req), true);
}
int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
bool enable)
{
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
struct {
u8 bss_idx;
u8 dtim_period;
__le16 aid;
__le16 bcn_interval;
__le16 atim_window;
u8 uapsd;
u8 bmc_delivered_ac;
u8 bmc_triggered_ac;
u8 pad;
} req = {
.bss_idx = mvif->mt76.idx,
.aid = cpu_to_le16(vif->bss_conf.aid),
.dtim_period = vif->bss_conf.dtim_period,
.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
};
struct {
u8 bss_idx;
u8 pad[3];
} req_hdr = {
.bss_idx = mvif->mt76.idx,
};
int err;
if (vif->type != NL80211_IFTYPE_STATION)
return 0;
err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr,
sizeof(req_hdr), false);
if (err < 0 || !enable)
return err;
return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req,
sizeof(req), false);
}

1
drivers/net/wireless/mediatek/mt76/mt7921/mcu.h
View File

@ -211,6 +211,7 @@ enum {
UNI_BSS_INFO_QBSS = 15,
UNI_BSS_INFO_UAPSD = 19,
UNI_BSS_INFO_PS = 21,
UNI_BSS_INFO_BCNFT = 22,
};
enum {

4
drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
View File

@ -356,4 +356,8 @@ int mt7921_mcu_cancel_hw_scan(struct mt7921_phy *phy,
struct ieee80211_vif *vif);
u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u16 wlan_idx);
int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
bool enable);
int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
bool enable);
#endif