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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>
This commit is contained in:
Jes Sorensen 2016-02-29 17:05:34 -05:00 committed by Kalle Valo
parent 2098bfb5f3
commit 2c6670b2a8
2 changed files with 4 additions and 3 deletions
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3
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
View File

@ -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);
}

4
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
View File

@ -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)