rtl8xxxu: TX RTS rate is word 4 for 8723a

Correct the setting of TX RTS for 8723a generation chips. In addition
update documentation to match that this is part of data word 4, note
data word 5.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 2fa587e..4fbf445 100644 (file)
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -7084,7 +7084,8 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw,
 
        if (rate_flag & IEEE80211_TX_RC_USE_RTS_CTS) {
                /* Use RTS rate 24M - does the mac80211 tell us which to use? */
-               tx_desc->txdw4 |= cpu_to_le32(DESC_RATE_24M);
+               tx_desc->txdw4 |= cpu_to_le32(DESC_RATE_24M <<
+                                             TXDESC_RTS_RATE_SHIFT_8723A);
                tx_desc->txdw4 |= cpu_to_le32(TXDESC_RTS_CTS_ENABLE_8723A);
                tx_desc->txdw4 |= cpu_to_le32(TXDESC_HW_RTS_ENABLE_8723A);
        }

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index 5f60f19..b015c75 100644 (file)
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -475,6 +475,8 @@ struct rtl8723bu_tx_desc {
 #define TXDESC_SEQ_MASK_8723A          0x0fff0000
 
 /* Word 4 */
+#define TXDESC_RTS_RATE_SHIFT_8723A    0
+#define TXDESC_RTS_RATE_MASK_8723A     0x3f
 #define TXDESC_QOS                     BIT(6)
 #define TXDESC_HW_SEQ_ENABLE_8723A     BIT(7)
 #define TXDESC_USE_DRIVER_RATE_8723A   BIT(8)
@@ -496,8 +498,6 @@ struct rtl8723bu_tx_desc {
 #define TXDESC_RTS_RATE_MASK_8723B     0x3f000000
 
 /* Word 5 */
-#define TXDESC_RTS_RATE_SHIFT_8723A    0
-#define TXDESC_RTS_RATE_MASK_8723A     0x3f
 #define TXDESC_SHORT_GI                        BIT(6)
 #define TXDESC_CCX_TAG                 BIT(7)
 #define TXDESC_RETRY_LIMIT_ENABLE_8723A        BIT(17)