In order to connect to networks which require 802.11w, add the
MFP_CAPABLE flag and let mac80211 do the actual crypto in software.
When a robust management frame is received, rx_dec->swdec is not set,
even though the HW did not decrypt it. Extend the check and don't set
RX_FLAG_DECRYPTED for these frames in order to use SW decryption.
Use the security flag in the RX descriptor for this purpose, like it is
done in the rtw88 driver.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Martin Kaistra <martin.kaistra@xxxxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 9 +++++++++
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 7 +++++--
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index fd92d23c43d91..16d884a3d87df 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -122,6 +122,15 @@ enum rtl8xxxu_rx_type {
RX_TYPE_ERROR = -1
};
+enum rtl8xxxu_rx_desc_enc {
+ RX_DESC_ENC_NONE = 0,
+ RX_DESC_ENC_WEP40 = 1,
+ RX_DESC_ENC_TKIP_WO_MIC = 2,
+ RX_DESC_ENC_TKIP_MIC = 3,
+ RX_DESC_ENC_AES = 4,
+ RX_DESC_ENC_WEP104 = 5,
+};
+
struct rtl8xxxu_rxdesc16 {
#ifdef __LITTLE_ENDIAN
u32 pktlen:14;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 4a49f8f9d80f2..b15a30a54259e 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6473,7 +6473,8 @@ int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb)
rx_status->mactime = rx_desc->tsfl;
rx_status->flag |= RX_FLAG_MACTIME_START;
- if (!rx_desc->swdec)
+ if (!rx_desc->swdec &&
+ rx_desc->security != RX_DESC_ENC_NONE)
rx_status->flag |= RX_FLAG_DECRYPTED;
if (rx_desc->crc32)
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
@@ -6578,7 +6579,8 @@ int rtl8xxxu_parse_rxdesc24(struct rtl8xxxu_priv *priv, struct sk_buff *skb)
rx_status->mactime = rx_desc->tsfl;
rx_status->flag |= RX_FLAG_MACTIME_START;
- if (!rx_desc->swdec)
+ if (!rx_desc->swdec &&
+ rx_desc->security != RX_DESC_ENC_NONE)
rx_status->flag |= RX_FLAG_DECRYPTED;
if (rx_desc->crc32)
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
@@ -7998,6 +8000,7 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
+ ieee80211_hw_set(hw, MFP_CAPABLE);
wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
--
2.39.2
