If the driver has set the set_rts_threshold() callback function
to mac80211 it is capable of generating RTS and CTS-to-self frames
inside the hardware and rt2x00lib doesn't have to create them
in software.
Only rt2800pci and rt2800usb support this feature.
Signed-off-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>
---
drivers/net/wireless/rt2x00/rt2x00mac.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index c206b50..e46d406 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -118,11 +118,16 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
* create and queue that frame first. But make sure we have
* at least enough entries available to send this CTS/RTS
* frame as well as the data frame.
+ * Note that when the driver has set the set_rts_threshold()
+ * callback function it doesn't need software generation of
+ * neither RTS or CTS-to-self frames and handles everything
+ * inside the hardware.
*/
frame_control = le16_to_cpu(ieee80211hdr->frame_control);
if (!is_rts_frame(frame_control) && !is_cts_frame(frame_control) &&
(control->flags & (IEEE80211_TXCTL_USE_RTS_CTS |
- IEEE80211_TXCTL_USE_CTS_PROTECT))) {
+ IEEE80211_TXCTL_USE_CTS_PROTECT)) &&
+ !rt2x00dev->ops->hw->set_rts_threshold) {
if (rt2x00queue_available(queue) <= 1) {
ieee80211_stop_queue(rt2x00dev->hw, control->queue);
return NETDEV_TX_BUSY;
--
1.5.4.5
--
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