From: Sean Wang Date: Tue, 6 Apr 2021 03:34:39 +0000 (+0800) Subject: mt76: mt7921: reduce the data latency during hw scan X-Git-Tag: accepted/tizen/unified/20230118.172025~7335^2~113^2~41^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4da64fe086d95daa66d0def40fbd1b02d4f813fd;p=platform%2Fkernel%2Flinux-rpi.git 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: Asda Wen Suggested-by: Soul Huang Co-developed-by: YN Chen Signed-off-by: YN Chen Signed-off-by: Sean Wang Signed-off-by: Felix Fietkau --- diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index 1bd6294..4892728 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -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); diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 5a3efd7..6f9b780 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -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)