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@vger.kernel.org Signed-off-by: Martin Kaistra martin.kaistra@linutronix.de --- 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);