Commit 86c60179 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: mt7615: 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 avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent b47e21e7

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

+38 −0
Original line number Diff line number Diff line
@@ -359,6 +359,40 @@ mt7615_mcu_scan_event(struct mt7615_dev *dev, struct sk_buff *skb) 
				     MT7615_HW_SCAN_TIMEOUT);

}



static void

mt7615_mcu_beacon_loss_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)

{

	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;

	struct mt7615_beacon_loss_event *event = priv;



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

		return;



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

		return;



	ieee80211_beacon_loss(vif);

}



static void

mt7615_mcu_beacon_loss_event(struct mt7615_dev *dev, struct sk_buff *skb)

{

	struct mt7615_beacon_loss_event *event;

	struct mt76_phy *mphy;

	u8 band_idx = 0; /* DBDC support */



	skb_pull(skb, sizeof(struct mt7615_mcu_rxd));

	event = (struct mt7615_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,

					mt7615_mcu_beacon_loss_iter, event);

}



static void

mt7615_mcu_bss_event(struct mt7615_dev *dev, struct sk_buff *skb)

{
@@ -389,6 +423,9 @@ mt7615_mcu_rx_unsolicited_event(struct mt7615_dev *dev, struct sk_buff *skb) 
	case MCU_EVENT_EXT:

		mt7615_mcu_rx_ext_event(dev, skb);

		break;

	case MCU_EVENT_BSS_BEACON_LOSS:

		mt7615_mcu_beacon_loss_event(dev, skb);

		break;

	case MCU_EVENT_SCHED_SCAN_DONE:

	case MCU_EVENT_SCAN_DONE:

		mt7615_mcu_scan_event(dev, skb);
@@ -410,6 +447,7 @@ void mt7615_mcu_rx_event(struct mt7615_dev *dev, struct sk_buff *skb) 
	    rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||

	    rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||

	    rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||

	    rxd->eid == MCU_EVENT_BSS_BEACON_LOSS ||

	    rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||

	    rxd->eid == MCU_EVENT_BSS_ABSENCE ||

	    rxd->eid == MCU_EVENT_SCAN_DONE ||

drivers/net/wireless/mediatek/mt76/mt7615/mcu.h

+7 −0
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@ enum { 
	MCU_EVENT_MT_PATCH_SEM = 0x04,

	MCU_EVENT_SCAN_DONE = 0x0d,

	MCU_EVENT_BSS_ABSENCE  = 0x11,

	MCU_EVENT_BSS_BEACON_LOSS = 0x13,

	MCU_EVENT_CH_PRIVILEGE = 0x18,

	MCU_EVENT_SCHED_SCAN_DONE = 0x23,

	MCU_EVENT_EXT = 0xed,
@@ -291,6 +292,12 @@ struct mt7615_mcu_uni_event { 
	__le32 status; /* 0: success, others: fail */

} __packed;



struct mt7615_beacon_loss_event {

	u8 bss_idx;

	u8 reason;

	u8 pad[2];

} __packed;



struct mt7615_mcu_scan_ssid {

	__le32 ssid_len;

	u8 ssid[IEEE80211_MAX_SSID_LEN];

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