Commit b88f5c64 authored by Sean Wang's avatar Sean Wang Committed by Felix Fietkau
Browse files

mt76: mt7921: introduce beacon_loss mcu event 



If device has enabled beacon hw filter rx beacons are not reported to
the host. Introduce beacon_loss mcu event to trigger mac80211 mlme
connection state machine in this configuration.
IEEE80211_VIF_BEACON_FILTER has not set in vif flags since hw beacon
filter is not enabled yet

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 4086ee28

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

+35 −0
Original line number Diff line number Diff line
@@ -543,6 +543,40 @@ mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) 
				     MT7921_HW_SCAN_TIMEOUT);

}



static void

mt7921_mcu_beacon_loss_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)

{

	struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;

	struct mt7921_beacon_loss_event *event = priv;



	if (mvif->mt76.idx != event->bss_idx)

		return;



	if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))

		return;



	ieee80211_beacon_loss(vif);

}



static void

mt7921_mcu_beacon_loss_event(struct mt7921_dev *dev, struct sk_buff *skb)

{

	struct mt7921_beacon_loss_event *event;

	struct mt76_phy *mphy;

	u8 band_idx = 0; /* DBDC support */



	skb_pull(skb, sizeof(struct mt7921_mcu_rxd));

	event = (struct mt7921_beacon_loss_event *)skb->data;

	if (band_idx && dev->mt76.phy2)

		mphy = dev->mt76.phy2;

	else

		mphy = &dev->mt76.phy;



	ieee80211_iterate_active_interfaces_atomic(mphy->hw,

					IEEE80211_IFACE_ITER_RESUME_ALL,

					mt7921_mcu_beacon_loss_iter, event);

}



static void

mt7921_mcu_bss_event(struct mt7921_dev *dev, struct sk_buff *skb)

{
@@ -593,6 +627,7 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) 


	switch (rxd->eid) {

	case MCU_EVENT_BSS_BEACON_LOSS:

		mt7921_mcu_beacon_loss_event(dev, skb);

		break;

	case MCU_EVENT_SCHED_SCAN_DONE:

	case MCU_EVENT_SCAN_DONE:

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

+6 −0
Original line number Diff line number Diff line
@@ -784,6 +784,12 @@ struct mt7921_bss_qos_tlv { 
	u8 pad[3];

} __packed;



struct mt7921_beacon_loss_event {

	u8 bss_idx;

	u8 reason;

	u8 pad[2];

} __packed;



struct mt7921_mcu_scan_ssid {

	__le32 ssid_len;

	u8 ssid[IEEE80211_MAX_SSID_LEN];