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mt76: mt7615: introduce BSS absence event 

Introduce BSS absence event that is reported when the fw
is leaving or entering current operational channel.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Sean Wang 2020-04-02 15:06:40 +02:00 committed by Felix Fietkau
parent 20305f9817
commit bb366c5b88
2 changed files with 32 additions and 0 deletions
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24
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View File

@ -339,6 +339,26 @@ mt7615_mcu_scan_event(struct mt7615_dev *dev, struct sk_buff *skb)
MT7615_HW_SCAN_TIMEOUT);
}
static void
mt7615_mcu_bss_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_mcu_bss_event *event;
struct mt76_phy *mphy;
event = (struct mt7615_mcu_bss_event *)(skb->data +
sizeof(struct mt7615_mcu_rxd));
if (event->bss_idx && dev->mt76.phy2)
mphy = dev->mt76.phy2;
else
mphy = &dev->mt76.phy;
if (event->is_absent)
ieee80211_stop_queues(mphy->hw);
else
ieee80211_wake_queues(mphy->hw);
}
static void
mt7615_mcu_rx_unsolicited_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
@ -352,6 +372,9 @@ mt7615_mcu_rx_unsolicited_event(struct mt7615_dev *dev, struct sk_buff *skb)
case MCU_EVENT_SCAN_DONE:
mt7615_mcu_scan_event(dev, skb);
return;
case MCU_EVENT_BSS_ABSENCE:
mt7615_mcu_bss_event(dev, skb);
break;
default:
break;
}
@ -367,6 +390,7 @@ void mt7615_mcu_rx_event(struct mt7615_dev *dev, struct sk_buff *skb)
rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
rxd->eid == MCU_EVENT_BSS_ABSENCE ||
rxd->eid == MCU_EVENT_SCAN_DONE ||
!rxd->seq)
mt7615_mcu_rx_unsolicited_event(dev, skb);

8
drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
View File

@ -82,6 +82,7 @@ enum {
MCU_EVENT_ACCESS_REG = 0x02,
MCU_EVENT_MT_PATCH_SEM = 0x04,
MCU_EVENT_SCAN_DONE = 0x0d,
MCU_EVENT_BSS_ABSENCE = 0x11,
MCU_EVENT_CH_PRIVILEGE = 0x18,
MCU_EVENT_SCHED_SCAN_DONE = 0x23,
MCU_EVENT_EXT = 0xed,
@ -398,6 +399,13 @@ struct nt7615_sched_scan_done {
__le16 pad;
} __packed;
struct mt7615_mcu_bss_event {
u8 bss_idx;
u8 is_absent;
u8 free_quota;
u8 pad;
} __packed;
/* offload mcu commands */
enum {
MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03,