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| author |  Martin Kaistra <martin.kaistra@linutronix.de>
| 2024-04-18 09:18:13 +0200 |
|---|---|---|
| committer |  Ping-Ke Shih <pkshih@realtek.com>
| 2024-04-22 09:53:10 +0800 |
| commit | cbfbb4ddbc8503478e0a138f9a31f61686cc5f11 (patch) | |
| tree | 672429c54f85bc68cc4a8f06affe82b67689b24d /drivers/net/wireless/realtek/rtl8xxxu | |
| parent | Revert "wifi: rtl8xxxu: enable MFP support" (diff) | |
| download | linux-cbfbb4ddbc8503478e0a138f9a31f61686cc5f11.tar.gz linux-cbfbb4ddbc8503478e0a138f9a31f61686cc5f11.tar.bz2 linux-cbfbb4ddbc8503478e0a138f9a31f61686cc5f11.zip | |
wifi: rtl8xxxu: enable MFP support with security flag of RX descriptor
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>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://msgid.link/20240418071813.1883174-3-martin.kaistra@linutronix.de
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu')
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 9 | ||||
| -rw-r--r-- | 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 fd92d23c43d9..16d884a3d87d 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 7ad427e430c3..fbbc97161f5d 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -6468,7 +6468,8 @@ 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; @@ -6573,7 +6574,8 @@ 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; @@ -7993,6 +7995,7 @@ 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); |