rt2x00: Implement tx_frames_pending mac80211 callback function.

Implementing this callback function will cause mac80211 refrain from
going to powersave state when there are still untransmitted TX frames
in the queues.
This would exactly mimic the behaviour of the legacy vendor driver which
also doesn't go in powersave mode if there are still TX frames that are not
transmitted.
This should make powersaving and rt2x00 a better couple.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 937f9e8..76bcc35 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1723,6 +1723,7 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = {
        .set_antenna            = rt2x00mac_set_antenna,
        .get_antenna            = rt2x00mac_get_antenna,
        .get_ringparam          = rt2x00mac_get_ringparam,
+       .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {

diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index d27d7b8..c288d95 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -2016,6 +2016,7 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = {
        .set_antenna            = rt2x00mac_set_antenna,
        .get_antenna            = rt2x00mac_get_antenna,
        .get_ringparam          = rt2x00mac_get_ringparam,
+       .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 15237c2..53c5f87 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1827,6 +1827,7 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = {
        .set_antenna            = rt2x00mac_set_antenna,
        .get_antenna            = rt2x00mac_get_antenna,
        .get_ringparam          = rt2x00mac_get_ringparam,
+       .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index fd99449..5319ed9 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1031,6 +1031,7 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = {
        .flush                  = rt2x00mac_flush,
        .get_survey             = rt2800_get_survey,
        .get_ringparam          = rt2x00mac_get_ringparam,
+       .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2800_ops rt2800pci_rt2800_ops = {

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index af23058..59e7779 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -757,6 +757,7 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = {
        .flush                  = rt2x00mac_flush,
        .get_survey             = rt2800_get_survey,
        .get_ringparam          = rt2x00mac_get_ringparam,
+       .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2800_ops rt2800usb_rt2800_ops = {

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index c446db6..db435ab 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -1276,6 +1276,7 @@ int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
 int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
 void rt2x00mac_get_ringparam(struct ieee80211_hw *hw,
                             u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
+bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw);
 
 /*
  * Driver allocation handlers.

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 93bec14..8efab39 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -818,3 +818,17 @@ void rt2x00mac_get_ringparam(struct ieee80211_hw *hw,
        *rx_max = rt2x00dev->rx->limit;
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_get_ringparam);
+
+bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw)
+{
+       struct rt2x00_dev *rt2x00dev = hw->priv;
+       struct data_queue *queue;
+
+       tx_queue_for_each(rt2x00dev, queue) {
+               if (!rt2x00queue_empty(queue))
+                       return true;
+       }
+
+       return false;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_tx_frames_pending);

diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 9d35ec1..53110b8 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2982,6 +2982,7 @@ static const struct ieee80211_ops rt61pci_mac80211_ops = {
        .set_antenna            = rt2x00mac_set_antenna,
        .get_antenna            = rt2x00mac_get_antenna,
        .get_ringparam          = rt2x00mac_get_ringparam,
+       .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {

diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index ad20953..6a93939 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2314,6 +2314,7 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = {
        .set_antenna            = rt2x00mac_set_antenna,
        .get_antenna            = rt2x00mac_get_antenna,
        .get_ringparam          = rt2x00mac_get_ringparam,
+       .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {