@@ -463,18 +463,23 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
RTL818X_TX_DESC_FLAG_NO_ENC;
rc_flags = info->control.rates[0].flags;
+
+ /* HW will perform RTS-CTS when only RTS flags is set.
+ * HW will perform CTS-to-self when both RTS and CTS flags are set.
+ * RTS rate and RTS duration will be used also for CTS-to-self.
+ */
if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
tx_flags |= RTL818X_TX_DESC_FLAG_RTS;
tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
+ rts_duration = ieee80211_rts_duration(dev, priv->vif,
+ skb->len, info);
} else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
- tx_flags |= RTL818X_TX_DESC_FLAG_CTS;
+ tx_flags |= RTL818X_TX_DESC_FLAG_RTS | RTL818X_TX_DESC_FLAG_CTS;
tx_flags |= ieee80211_get_rts_cts_rate(dev, info)->hw_value << 19;
+ rts_duration = ieee80211_ctstoself_duration(dev, priv->vif,
+ skb->len, info);
}
- if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS)
- rts_duration = ieee80211_rts_duration(dev, priv->vif, skb->len,
- info);
-
if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8180) {
unsigned int remainder;
CTS protection was not working properly because the HW still need RTS flag to be asserted, and it need also RTS rate field to be set with CTS-to-self rate and RTS duration field to be filled with CTS-to-self duration. This patch makes the driver to do this. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> --- drivers/net/wireless/rtl818x/rtl8180/dev.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-)