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 extern const int ieee802_1d_to_ac[8];
  28
  29 static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
  30 {
  31         return (fc & 0x8C) == 0x88;
  32 }
  33
  34 #ifdef CONFIG_NET_SCHED
  35 void ieee80211_install_qdisc(struct net_device *dev);
  36 int ieee80211_qdisc_installed(struct net_device *dev);
  37 int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
  38                                struct sta_info *sta, u16 tid);
  39 void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
  40                                    struct sta_info *sta, u16 tid,
  41                                    u8 requeue);
  42 void ieee80211_requeue(struct ieee80211_local *local, int queue);
  43 int ieee80211_wme_register(void);
  44 void ieee80211_wme_unregister(void);
  45 #else
  46 static inline void ieee80211_install_qdisc(struct net_device *dev)
  47 {
  48 }
  49 static inline int ieee80211_qdisc_installed(struct net_device *dev)
  50 {
  51         return 0;
  52 }
  53 static inline int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
  54                                              struct sta_info *sta, u16 tid)
  55 {
  56         return -EAGAIN;
  57 }
  58 static inline void ieee80211_ht_agg_queue_remove(struct ieee80211_local *local,
  59                                                  struct sta_info *sta, u16 tid,
  60                                                  u8 requeue)
  61 {
  62 }
  63 static inline void ieee80211_requeue(struct ieee80211_local *local, int queue)
  64 {
  65 }
  66 static inline int ieee80211_wme_register(void)
  67 {
  68         return 0;
  69 }
  70 static inline void ieee80211_wme_unregister(void)
  71 {
  72 }
  73 #endif /* CONFIG_NET_SCHED */
  74
  75 #endif /* _WME_H */