From: Lorenzo Bianconi lorenzo@kernel.org
[ Upstream commit a60951d4faa0ef2e475797dd217c2eaee32ed1c2 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- .../net/wireless/mediatek/mt76/mt7921/main.c | 22 ++++++++++++++----- .../wireless/mediatek/mt76/mt7921/mt7921.h | 2 ++ 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 bd77a04a15fb..992a74e122e5 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 710ad242fd53..957084c3ca43 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -100,6 +100,8 @@ 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;