Commit bb366c5b authored by Sean Wang's avatar Sean Wang Committed by Felix Fietkau
Browse files

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: default avatarSean Wang <sean.wang@mediatek.com>
Co-developed-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 20305f98

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

+24 −0
Original line number Diff line number Diff line
@@ -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);

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

+8 −0
Original line number Diff line number Diff line
@@ -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,