Commit 4086ee28 authored by Sean Wang's avatar Sean Wang Committed by Felix Fietkau
Browse files

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: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: default avatarSoul Huang <Soul.Huang@mediatek.com>
Signed-off-by: default avatarSoul Huang <Soul.Huang@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 56d965da

drivers/net/wireless/mediatek/mt76/mt7921/mcu.c

+75 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/net/wireless/mediatek/mt76/mt7921/mcu.h

+1 −0
Original line number Diff line number Diff line
@@ -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 {

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

+4 −0
Original line number Diff line number Diff line
@@ -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