1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
index 25f4cebef26d..73c127f92613 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c
@@ -336,6 +336,17 @@ mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
         int idx = key->keyidx;
         int ret;
 
+        /* fall back to sw encryption for unsupported ciphers */
+        switch (key->cipher) {
+        case WLAN_CIPHER_SUITE_WEP40:
+        case WLAN_CIPHER_SUITE_WEP104:
+        case WLAN_CIPHER_SUITE_TKIP:
+        case WLAN_CIPHER_SUITE_CCMP:
+                break;
+        default:
+                return -EOPNOTSUPP;
+        }
+
         /*
          * The hardware does not support per-STA RX GTK, fall back
          * to software mode for these.