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authorLorenzo Bianconi <lorenzo@kernel.org>2021-05-31 08:33:18 +0200
committerFelix Fietkau <nbd@nbd.name>2021-06-19 09:22:47 +0200
commita60951d4faa0ef2e475797dd217c2eaee32ed1c2 (patch)
tree1eeb4cb8685f3ae43d79e49b717103620fcb665d
parent83d229d28b10d5da9b71a06bee6395567bee732a (diff)
mt76: mt7921: enable hw offloading for wep keys
Enable wep key hw offloading for sta mode. This patch fixes WoW support for wep connections. Tested-by: Deren.Wu <deren.wu@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7921/main.c22
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h2
2 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 175030ec221d..a6cf4a0e286a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -376,6 +376,10 @@ static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
wcid_keyidx = &wcid->hw_key_idx2;
break;
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ if (!mvif->wep_sta)
+ return -EOPNOTSUPP;
case WLAN_CIPHER_SUITE_TKIP:
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_CCMP_256:
@@ -383,8 +387,6 @@ static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
case WLAN_CIPHER_SUITE_GCMP_256:
case WLAN_CIPHER_SUITE_SMS4:
break;
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
default:
return -EOPNOTSUPP;
}
@@ -402,6 +404,12 @@ static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
cmd == SET_KEY ? key : NULL);
err = mt7921_mcu_add_key(dev, vif, msta, key, cmd);
+ if (err)
+ goto out;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
+ key->cipher == WLAN_CIPHER_SUITE_WEP40)
+ err = mt7921_mcu_add_key(dev, vif, mvif->wep_sta, key, cmd);
out:
mt7921_mutex_release(dev);
@@ -608,9 +616,12 @@ int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
if (ret)
return ret;
- if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
- mt76_connac_mcu_uni_add_bss(&dev->mphy, vif, &mvif->sta.wcid,
- true);
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ mvif->wep_sta = msta;
+ if (!sta->tdls)
+ mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
+ &mvif->sta.wcid, true);
+ }
mt7921_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
@@ -640,6 +651,7 @@ void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
if (vif->type == NL80211_IFTYPE_STATION) {
struct mt7921_vif *mvif = (struct mt7921_vif *)vif->drv_priv;
+ mvif->wep_sta = NULL;
ewma_rssi_init(&mvif->rssi);
if (!sta->tdls)
mt76_connac_mcu_uni_add_bss(&dev->mphy, vif,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index a9b21fcc321c..30902231a4bf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -102,6 +102,8 @@ struct mt7921_vif {
struct mt76_vif mt76; /* must be first */
struct mt7921_sta sta;
+ struct mt7921_sta *wep_sta;
+
struct mt7921_phy *phy;
struct ewma_rssi rssi;