net/mac80211/wme.h

   1 /*
   2  * IEEE 802.11 driver (80211.o) - QoS datatypes
   3  * Copyright 2004, Instant802 Networks, Inc.
   4  * Copyright 2005, Devicescape Software, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef _WME_H
  12 #define _WME_H
  13
  14 #include <linux/netdevice.h>
  15 #include "ieee80211_i.h"
  16
  17 #define QOS_CONTROL_LEN 2
  18
  19 #define QOS_CONTROL_ACK_POLICY_NORMAL 0
  20 #define QOS_CONTROL_ACK_POLICY_NOACK 1
  21
  22 #define QOS_CONTROL_TID_MASK 0x0f
  23 #define QOS_CONTROL_ACK_POLICY_SHIFT 5
  24
  25 #define QOS_CONTROL_TAG1D_MASK 0x07
  26
  27 static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
  28 {
  29         return (fc & 0x8C) == 0x88;
  30 }
  31
  32 #ifdef CONFIG_NET_SCHED
  33 void ieee80211_install_qdisc(struct net_device *dev);
  34 int ieee80211_qdisc_installed(struct net_device *dev);
  35
  36 int ieee80211_wme_register(void);
  37 void ieee80211_wme_unregister(void);
  38 #else
  39 static inline void ieee80211_install_qdisc(struct net_device *dev)
  40 {
  41 }
  42 static inline int ieee80211_qdisc_installed(struct net_device *dev)
  43 {
  44         return 0;
  45 }
  46
  47 static inline int ieee80211_wme_register(void)
  48 {
  49         return 0;
  50 }
  51 static inline void ieee80211_wme_unregister(void)
  52 {
  53 }
  54 #endif /* CONFIG_NET_SCHED */
  55
  56 #endif /* _WME_H */