1 files changed, 9 insertions, 1 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 20823d04e03c..344e5bf72062 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -587,11 +587,15 @@ struct ieee80211_rx_status {
  *      may turn the device off as much as possible. Typically, this flag will
  *      be set when an interface is set UP but not associated or scanning, but
  *      it can also be unset in that case when monitor interfaces are active.
+ * @IEEE80211_CONF_QOS: Enable 802.11e QoS also know as WMM (Wireless
+ *      Multimedia). On some drivers (iwlwifi is one of know) we have
+ *      to enable/disable QoS explicitly.
  */
 enum ieee80211_conf_flags {
         IEEE80211_CONF_MONITOR          = (1<<0),
         IEEE80211_CONF_PS               = (1<<1),
         IEEE80211_CONF_IDLE             = (1<<2),
+        IEEE80211_CONF_QOS              = (1<<3),
 };
 
 
@@ -616,6 +620,7 @@ enum ieee80211_conf_changed {
         IEEE80211_CONF_CHANGE_CHANNEL           = BIT(6),
         IEEE80211_CONF_CHANGE_RETRY_LIMITS      = BIT(7),
         IEEE80211_CONF_CHANGE_IDLE              = BIT(8),
+        IEEE80211_CONF_CHANGE_QOS               = BIT(9),
 };
 
 /**
@@ -1822,7 +1827,10 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw);
  * ieee80211_rx - receive frame
  *
  * Use this function to hand received frames to mac80211. The receive
- * buffer in @skb must start with an IEEE 802.11 header.
+ * buffer in @skb must start with an IEEE 802.11 header. In case of a
+ * paged @skb is used, the driver is recommended to put the ieee80211
+ * header of the frame on the linear part of the @skb to avoid memory
+ * allocation and/or memcpy by the stack.
  *
  * This function may not be called in IRQ context. Calls to this function
  * for a single hardware must be synchronized against each other. Calls to