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rtlwifi: Add TX report and disable key to force wait until report acked.

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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>
This commit is contained in:
Ping-Ke Shih
2017-06-18 11:12:44 -05:00
committed by Kalle Valo
parent 79b64ed7a6
commit 8479580b52
16 changed files with 194 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
View File

@@ -662,6 +662,7 @@ void rtl8723be_c2h_content_parsing(struct ieee80211_hw *hw,
case C2H_8723B_TX_REPORT:
RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
"[C2H], C2H_8723BE_TX_REPORT!\n");
rtl_tx_report_handler(hw, tmp_buf, c2h_cmd_len);
break;
case C2H_8723B_BT_INFO:
RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,

3
drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c
View File

@@ -488,6 +488,9 @@ void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
}
/* tx report */
rtl_get_tx_report(ptcb_desc, pdesc, hw);
/* ptcb_desc->use_driver_rate = true; */
SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)

16
drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.h
View File

@@ -107,7 +107,7 @@
#define SET_TX_DESC_RDG_ENABLE(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+8, 13, 1, __val)
#define SET_TX_DESC_BAR_RTY_TH(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+8, 14, 2, __val)
SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 14, 2, __val)
#define SET_TX_DESC_AGG_BREAK(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+8, 16, 1, __val)
#define SET_TX_DESC_MORE_FRAG(__pdesc, __val) \
@@ -115,7 +115,7 @@
#define SET_TX_DESC_RAW(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+8, 18, 1, __val)
#define SET_TX_DESC_SPE_RPT(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+8, 19, 1, __val)
SET_BITS_TO_LE_4BYTE((__pdesc) + 8, 19, 1, __val)
#define SET_TX_DESC_AMPDU_DENSITY(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+8, 20, 3, __val)
#define SET_TX_DESC_BT_INT(__pdesc, __val) \
@@ -187,6 +187,18 @@
#define SET_TX_DESC_RTS_SC(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+20, 13, 4, __val)
#define SET_TX_DESC_SW_DEFINE(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 0, 12, __val)
#define SET_TX_DESC_MBSSID(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 12, 4, __val)
#define SET_TX_DESC_ANTSEL_A(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 16, 3, __val)
#define SET_TX_DESC_ANTSEL_B(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 19, 3, __val)
#define SET_TX_DESC_ANTSEL_C(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 22, 3, __val)
#define SET_TX_DESC_ANTSEL_D(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE((__pdesc) + 24, 25, 3, __val)
#define SET_TX_DESC_TX_BUFFER_SIZE(__pdesc, __val) \
SET_BITS_TO_LE_4BYTE(__pdesc+28, 0, 16, __val)