2020-04-29 17:50:12

by Lorenzo Bianconi

[permalink] [raw]
Subject: [PATCH] mt76: mt7615: fix ssid configuration in mt7615_mcu_hw_scan

Fix SSID configuration performing hw frequency scanning

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 57794827400c..727a55abda69 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -2713,9 +2713,9 @@ int mt7615_mcu_hw_scan(struct mt7615_phy *phy, struct ieee80211_vif *vif,
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct cfg80211_scan_request *sreq = &scan_req->req;
+ int n_ssids = 0, err, i, duration = MT7615_SCAN_CHANNEL_TIME;
int ext_channels_num = max_t(int, sreq->n_channels - 32, 0);
struct ieee80211_channel **scan_list = sreq->channels;
- int err, i, duration = MT7615_SCAN_CHANNEL_TIME;
struct mt7615_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
struct mt7615_mcu_scan_channel *chan;
@@ -2738,16 +2738,21 @@ int mt7615_mcu_hw_scan(struct mt7615_phy *phy, struct ieee80211_vif *vif,
req->seq_num = mvif->scan_seq_num | ext_phy << 7;
req->bss_idx = mvif->idx;
req->scan_type = 1;
- req->ssid_type = 1;
req->probe_req_num = 2;
req->version = 1;
req->channel_type = 4;

for (i = 0; i < sreq->n_ssids; i++) {
+ if (!sreq->ssids[i].ssid_len)
+ continue;
+
req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len);
memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid,
sreq->ssids[i].ssid_len);
+ n_ssids++;
}
+ req->ssid_type = n_ssids ? BIT(2) : BIT(0);
+ req->ssids_num = n_ssids;

req->timeout_value = cpu_to_le16(sreq->n_channels * duration);
req->channel_min_dwell_time = cpu_to_le16(duration);
--
2.25.4