[PATCH 093/113] rtl8xxxu: Set the correct TX descriptor bits for agg and break on 8723b
From: <hidden>
Date: 2016-02-29 22:06:03
Subsystem:
rtl8xxxu wireless driver (rtl8xxxu), the rest · Maintainers:
Jes Sorensen, Linus Torvalds
From: Jes Sorensen <redacted> Fixup victim of the relocated bits for AGG_ENABLE/AGG_BREAK in the 40 byte TX descriptor Signed-off-by: Jes Sorensen <redacted> --- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 62ed6af..48a669e 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c@@ -6953,6 +6953,7 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, u16 rate_flag = tx_info->control.rates[0].flags; int tx_desc_size = priv->fops->tx_desc_size; int ret; + bool txdesc40, ampdu_enable; if (skb_headroom(skb) < tx_desc_size) { dev_warn(dev,
@@ -6980,6 +6981,7 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, if (ieee80211_is_action(hdr->frame_control)) rtl8xxxu_dump_action(dev, hdr); + txdesc40 = (tx_desc_size == 40); tx_info->rate_driver_data[0] = hw; if (control && control->sta)
@@ -7028,6 +7030,7 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, tx_desc->txdw5 |= cpu_to_le32(0x0001ff00); /* (tx_info->flags & IEEE80211_TX_CTL_AMPDU) && */ + ampdu_enable = false; if (ieee80211_is_data_qos(hdr->frame_control) && sta) { if (sta->ht_cap.ht_supported) { u32 ampdu, val32;
@@ -7036,11 +7039,21 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, val32 = ampdu << TXDESC_AMPDU_DENSITY_SHIFT; tx_desc->txdw2 |= cpu_to_le32(val32); + ampdu_enable = true; + } + } + + if (!txdesc40) { + if (ampdu_enable) tx_desc->txdw1 |= cpu_to_le32(TXDESC_AGG_ENABLE_8723A); - } else + else tx_desc->txdw1 |= cpu_to_le32(TXDESC_AGG_BREAK_8723A); - } else - tx_desc->txdw1 |= cpu_to_le32(TXDESC_AGG_BREAK_8723A); + } else { + if (ampdu_enable) + tx_desc->txdw2 |= cpu_to_le32(TXDESC_AGG_ENABLE_8723B); + else + tx_desc->txdw2 |= cpu_to_le32(TXDESC_AGG_BREAK_8723B); + }; if (ieee80211_is_data_qos(hdr->frame_control)) tx_desc->txdw4 |= cpu_to_le32(TXDESC_QOS);
--
2.5.0