Commit 4da64fe0 authored by Sean Wang's avatar Sean Wang Committed by Felix Fietkau
Browse files

mt76: mt7921: reduce the data latency during hw scan 



Reduce the data latency during hw_scan by the split scan which would switch
back to operational channel right after scanning each channel done.

Suggested-by: default avatarAsda Wen <Asda.Wen@mediatek.com>
Suggested-by: default avatarSoul Huang <Soul.Huang@mediatek.com>
Co-developed-by: default avatarYN Chen <YN.Chen@mediatek.com>
Signed-off-by: default avatarYN Chen <YN.Chen@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 49897c52

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c

+4 −1
Original line number Diff line number Diff line
@@ -1395,11 +1395,14 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif, 
		req->ies_len = cpu_to_le16(sreq->ie_len);

	}



	if (is_mt7921(phy->dev))

		req->scan_func |= SCAN_FUNC_SPLIT_SCAN;



	memcpy(req->bssid, sreq->bssid, ETH_ALEN);

	if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {

		get_random_mask_addr(req->random_mac, sreq->mac_addr,

				     sreq->mac_addr_mask);

		req->scan_func = 1;

		req->scan_func |= SCAN_FUNC_RANDOM_MAC;

	}



	err = mt76_mcu_skb_send_msg(mdev, skb, MCU_CMD_START_HW_SCAN, false);

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h

+3 −0
Original line number Diff line number Diff line
@@ -362,6 +362,9 @@ enum { 
#define NETWORK_IBSS			BIT(18)

#define NETWORK_WDS			BIT(21)



#define SCAN_FUNC_RANDOM_MAC		BIT(0)

#define SCAN_FUNC_SPLIT_SCAN		BIT(5)



#define CONNECTION_INFRA_STA		(STA_TYPE_STA | NETWORK_INFRA)

#define CONNECTION_INFRA_AP		(STA_TYPE_AP | NETWORK_INFRA)

#define CONNECTION_P2P_GC		(STA_TYPE_STA | NETWORK_P2P)