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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Lorenzo Bianconi <lorenzo@kernel.org>,
	"Deren . Wu" <deren.wu@mediatek.com>,
	Felix Fietkau <nbd@nbd.name>, Sasha Levin <sashal@kernel.org>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: [PATCH AUTOSEL 5.13 133/189] mt76: mt7921: enable hw offloading for wep keys
Date: Tue,  6 Jul 2021 07:13:13 -0400	[thread overview]
Message-ID: <20210706111409.2058071-133-sashal@kernel.org> (raw)
In-Reply-To: <20210706111409.2058071-1-sashal@kernel.org>

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 97a0ef331ac3..032122317855 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -429,6 +429,10 @@ 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:
@@ -436,8 +440,6 @@ 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;
 	}
@@ -455,6 +457,12 @@ 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);
 
@@ -661,9 +669,12 @@ 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);
@@ -693,6 +704,7 @@ 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 03bcb210c357..434601388a6c 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;
-- 
2.30.2


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  parent reply	other threads:[~2021-07-06 11:24 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210706111409.2058071-1-sashal@kernel.org>
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 002/189] drm/mxsfb: Don't select DRM_KMS_FB_HELPER Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 011/189] drm/imx: ipuv3-plane: do not advertise YUV formats on planes without CSC Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 012/189] drm/imx: Add 8 pixel alignment fix Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 025/189] drm/mediatek: Fix PM reference leak in mtk_crtc_ddp_hw_init() Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 041/189] net: xilinx_emaclite: Do not print real IOMEM pointer Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 054/189] drm: rockchip: add missing registers for RK3188 Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 055/189] drm: rockchip: add missing registers for RK3066 Sasha Levin
2021-07-06 11:11 ` [PATCH AUTOSEL 5.13 056/189] net: stmmac: the XPCS obscures a potential "PHY not found" error Sasha Levin
2021-07-06 11:12 ` [PATCH AUTOSEL 5.13 100/189] net: mido: mdio-mux-bcm-iproc: Use devm_platform_get_and_ioremap_resource() Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 122/189] mt76: mt7615: fix fixed-rate tx status reporting Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 123/189] mt76: dma: use ieee80211_tx_status_ext to free packets when tx fails Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 130/189] mt76: mt7915: fix tssi indication field of DBDC NICs Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 131/189] mt76: mt7921: fix reset under the deep sleep is enabled Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 132/189] mt76: mt7921: reset wfsys during hw probe Sasha Levin
2021-07-06 11:13 ` Sasha Levin [this message]
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 134/189] mt76: connac: fix UC entry is being overwritten Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 135/189] mt76: connac: fix the maximum interval schedule scan can support Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 136/189] mt76: mt7915: fix IEEE80211_HE_PHY_CAP7_MAX_NC for station mode Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 137/189] mt76: fix iv and CCMP header insertion Sasha Levin
2021-07-06 11:13 ` [PATCH AUTOSEL 5.13 170/189] Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip Sasha Levin

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