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wifi: mt76: add multi-radio support to scanning code

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When scanning on a phy/vif combination that does not have an active link,
create a temporary link in order to ensure that we have a valid wcid.

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2024-10-27 08:52:59 +01:00
parent aeedee5c0a
commit fc0ff17b53
3 changed files with 77 additions and 2 deletions
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scan.c
+10 -1
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@@ -18,6 +18,7 @@ static void mt76_scan_complete(struct mt76_dev *dev, bool abort)
if (dev->scan.chan && phy->main_chandef.chan)
mt76_set_channel(phy, &phy->main_chandef, false);
mt76_put_vif_phy_link(phy, dev->scan.vif, dev->scan.mlink);
memset(&dev->scan, 0, sizeof(dev->scan));
ieee80211_scan_completed(phy->hw, &info);
}
@@ -33,7 +34,7 @@ mt76_scan_send_probe(struct mt76_dev *dev, struct cfg80211_ssid *ssid)
{
struct cfg80211_scan_request *req = dev->scan.req;
struct ieee80211_vif *vif = dev->scan.vif;
struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
struct mt76_vif_link *mvif = dev->scan.mlink;
enum nl80211_band band = dev->scan.chan->band;
struct mt76_phy *phy = dev->scan.phy;
struct ieee80211_tx_info *info;
@@ -122,6 +123,7 @@ int mt76_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
{
struct mt76_phy *phy = hw->priv;
struct mt76_dev *dev = phy->dev;
struct mt76_vif_link *mlink;
int ret = 0;
if (hw->wiphy->n_radio > 1) {
@@ -137,10 +139,17 @@ int mt76_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
goto out;
}
mlink = mt76_get_vif_phy_link(phy, vif);
if (IS_ERR(mlink)) {
ret = PTR_ERR(mlink);
goto out;
}
memset(&dev->scan, 0, sizeof(dev->scan));
dev->scan.req = &req->req;
dev->scan.vif = vif;
dev->scan.phy = phy;
dev->scan.mlink = mlink;
ieee80211_queue_delayed_work(dev->phy.hw, &dev->scan_work, 0);
out: