From: Ming Yen Hsieh <mingyen.hsieh@xxxxxxxxxxxx>
mt76 scan command only support 64 channels currently. If the
channel count is larger than 64(for 2+5+6GHz), some channels will
not be scanned. Hence change the scan type to full channel scan
in case of the command cannot include proper list for chip.
Fixes: 399090ef9605 ("mt76: mt76_connac: move hw_scan and sched_scan routine in mt76_connac_mcu module")
Reported-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Tested-by: Isaac Konikoff <konikofi@xxxxxxxxxxxxxxx>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@xxxxxxxxxxxx>
Signed-off-by: Deren Wu <deren.wu@xxxxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt76_connac_mcu.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index efb9bfaa187f..01f9c080d889 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -1675,8 +1675,16 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
req->channel_min_dwell_time = cpu_to_le16(duration);
req->channel_dwell_time = cpu_to_le16(duration);
- req->channels_num = min_t(u8, sreq->n_channels, 32);
- req->ext_channels_num = min_t(u8, ext_channels_num, 32);
+ if (sreq->n_channels == 0 || sreq->n_channels > 64) {
+ req->channel_type = 0;
+ req->channels_num = 0;
+ req->ext_channels_num = 0;
+ } else {
+ req->channel_type = 4;
+ req->channels_num = min_t(u8, sreq->n_channels, 32);
+ req->ext_channels_num = min_t(u8, ext_channels_num, 32);
+ }
+
for (i = 0; i < req->channels_num + req->ext_channels_num; i++) {
if (i >= 32)
chan = &req->ext_channels[i - 32];
@@ -1696,7 +1704,6 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
}
chan->channel_num = scan_list[i]->hw_value;
}
- req->channel_type = sreq->n_channels ? 4 : 0;
if (sreq->ie_len > 0) {
memcpy(req->ies, sreq->ie, sreq->ie_len);
--
2.18.0
