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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: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-05-01 12:36:17 +02:00 committed by Felix Fietkau
parent b47e21e75c
commit 86c60179e5
2 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View File

@ -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 ||

7
drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
View File

@ -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];