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: Sean Wang <sean.wang@xxxxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7615/mcu.c | 38 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7615/mcu.h | 7 ++++
2 files changed, 45 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 84d4b96028f2..214328133c65 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -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 ||
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
index 890a202acfc9..737ccec6dd96 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
@@ -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];
--
2.25.4
