c795794eef
Also improves rtl8188eu support. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
57 lines
2.1 KiB
Diff
57 lines
2.1 KiB
Diff
From 99afaac4278c9581cef17ddc0c842b51f9b6206d Mon Sep 17 00:00:00 2001
|
|
From: Jes Sorensen <Jes.Sorensen@redhat.com>
|
|
Date: Fri, 19 Aug 2016 17:46:39 -0400
|
|
Subject: [PATCH] rtl8xxxu: Determine need for shore preamble before updating
|
|
TX descriptors
|
|
|
|
Another patch to move this detection out of the code handling the TX
|
|
descriptor update.
|
|
|
|
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
|
|
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
|
|
---
|
|
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 12 +++++++-----
|
|
1 file changed, 7 insertions(+), 5 deletions(-)
|
|
|
|
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
|
|
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
|
|
@@ -4770,7 +4770,7 @@ static void rtl8xxxu_tx(struct ieee80211
|
|
u16 rate_flag = tx_info->control.rates[0].flags;
|
|
int tx_desc_size = priv->fops->tx_desc_size;
|
|
int ret;
|
|
- bool usedesc40, ampdu_enable, sgi = false;
|
|
+ bool usedesc40, ampdu_enable, sgi = false, short_preamble = false;
|
|
|
|
if (skb_headroom(skb) < tx_desc_size) {
|
|
dev_warn(dev,
|
|
@@ -4860,6 +4860,10 @@ static void rtl8xxxu_tx(struct ieee80211
|
|
(IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)))
|
|
sgi = true;
|
|
|
|
+ if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE ||
|
|
+ (sta && vif && vif->bss_conf.use_short_preamble))
|
|
+ short_preamble = true;
|
|
+
|
|
seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
|
|
if (!usedesc40) {
|
|
tx_desc->txdw5 = cpu_to_le32(rate);
|
|
@@ -4888,8 +4892,7 @@ static void rtl8xxxu_tx(struct ieee80211
|
|
if (ieee80211_is_data_qos(hdr->frame_control))
|
|
tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS);
|
|
|
|
- if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE ||
|
|
- (sta && vif && vif->bss_conf.use_short_preamble))
|
|
+ if (short_preamble)
|
|
tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE);
|
|
|
|
if (sgi)
|
|
@@ -4935,8 +4938,7 @@ static void rtl8xxxu_tx(struct ieee80211
|
|
cpu_to_le32(TXDESC40_RETRY_LIMIT_ENABLE);
|
|
}
|
|
|
|
- if (rate_flag & IEEE80211_TX_RC_USE_SHORT_PREAMBLE ||
|
|
- (sta && vif && vif->bss_conf.use_short_preamble))
|
|
+ if (short_preamble)
|
|
tx_desc40->txdw5 |=
|
|
cpu_to_le32(TXDESC40_SHORT_PREAMBLE);
|
|
|