diff options
author | Ping-Ke Shih <pkshih@realtek.com> | 2017-06-18 11:12:44 -0500 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2017-06-21 18:28:03 +0300 |
commit | 8479580b5267b40c4072ee57519f18f2b0359fbd (patch) | |
tree | 5976832a1eb4c05eac8652d28ed6ea68a02b635c /drivers/net/wireless/realtek/rtlwifi/core.c | |
parent | 79b64ed7a6b26fd896a8c0ba410e9704decf9c1f (diff) |
rtlwifi: Add TX report and disable key to force wait until report acked.
When using EAPOL to do a PTK rekey, there is a possible race condition.
When msg 3/4 is received, the supplicant will send msg 4/4 and install
the new key immediately; however, the driver must make sure that msg 4/4
is sent before installing the new key. We use TX report to ensure it is
sent.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/core.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c index 5053d8c73e29..1a53a95d373b 100644 --- a/drivers/net/wireless/realtek/rtlwifi/core.c +++ b/drivers/net/wireless/realtek/rtlwifi/core.c @@ -1671,6 +1671,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, *so don't use rtl_cam_reset_all_entry *or clear all entry here. */ + rtl_wait_tx_report_acked(hw, 500); /* wait 500ms for TX ack */ + rtl_cam_delete_one_entry(hw, mac_addr, key_idx); break; default: |