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mediatek-sdk: fix roaming issue

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Fixes: WIFI-14321
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2024-12-06 18:43:37 +01:00
committed by John Crispin
parent 47f71743f4
commit 5aa975b70c
1 changed files with 81 additions and 0 deletions
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81
feeds/mediatek-sdk/mt76/patches/a02-roaming_fix.patch Normal file
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@@ -0,0 +1,81 @@
--- a/mt7915/main.c
+++ b/mt7915/main.c
@@ -412,6 +412,13 @@ static int mt7915_set_key(struct ieee802
int idx = key->keyidx;
int err = 0;
+ if (sta && !wcid->sta) {
+ if (cmd != SET_KEY)
+ return 0;
+
+ return -EOPNOTSUPP;
+ }
+
/* The hardware does not support per-STA RX GTK, fallback
* to software mode for these.
*/
@@ -803,6 +810,56 @@ mt7915_event_callback(struct ieee80211_h
return;
}
+struct drop_sta_iter {
+ struct mt7915_dev *dev;
+ struct ieee80211_hw *hw;
+ struct ieee80211_vif *vif;
+ u8 sta_addr[ETH_ALEN];
+};
+
+static void
+__mt7915_drop_sta(void *ptr, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct drop_sta_iter *data = ptr;
+ struct ieee80211_sta *sta;
+ struct mt7915_sta *msta;
+
+ if (vif == data->vif || vif->type != NL80211_IFTYPE_AP)
+ return;
+
+ sta = ieee80211_find_sta_by_ifaddr(data->hw, data->sta_addr, mac);
+ if (!sta)
+ return;
+
+ msta = (struct mt7915_sta *)sta->drv_priv;
+ mt7915_mcu_add_sta(data->dev, vif, sta, false);
+ msta->wcid.sta = 0;
+}
+
+static void
+mt7915_drop_other_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt76_phy *ext_phy = dev->mt76.phys[MT_BAND1];
+ struct drop_sta_iter data = {
+ .dev = dev,
+ .hw = dev->mphy.hw,
+ .vif = vif,
+ };
+
+ if (vif->type != NL80211_IFTYPE_AP)
+ return;
+
+ memcpy(data.sta_addr, sta->addr, ETH_ALEN);
+ ieee80211_iterate_active_interfaces(data.hw, 0, __mt7915_drop_sta, &data);
+
+ if (!ext_phy)
+ return;
+
+ data.hw = ext_phy->hw;
+ ieee80211_iterate_active_interfaces(data.hw, 0, __mt7915_drop_sta, &data);
+}
+
int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
@@ -843,6 +900,7 @@ int mt7915_mac_sta_add(struct mt76_dev *
mt7915_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+ mt7915_drop_other_sta(dev, vif, sta);
ret = mt7915_mcu_add_sta(dev, vif, sta, true);
if (ret)
return ret;