openwrt/target/linux/package/ieee80211-dscape/src/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 #include <asm/byteorder.h>
  12 #include <net/pkt_sched.h>
  13
  14 #define QOS_CONTROL_LEN 2
  15
  16 #define QOS_CONTROL_ACK_POLICY_NORMAL 0
  17 #define QOS_CONTROL_ACK_POLICY_NOACK 1
  18
  19 #define QOS_CONTROL_TID_MASK 0x0f
  20 #define QOS_CONTROL_ACK_POLICY_SHIFT 5
  21
  22 /* This bit field structure should not be used; it can cause compiler to
  23  * generate unaligned accesses and inefficient code. */
  24 struct qos_control {
  25 #if defined(__LITTLE_ENDIAN_BITFIELD)
  26         u8      tag1d:3, /* bits 0-2 */
  27                 reserved1:1,
  28                 eosp:1,
  29                 ack_policy:2,
  30                 reserved2:1;
  31 #elif defined (__BIG_ENDIAN_BITFIELD)
  32         u8      reserved2:1,
  33                 ack_policy:2,
  34                 eosp:1,
  35                 reserved1:1,
  36                 tag1d:3; /* bits 0-2 */
  37 #else
  38 #error  "Please fix <asm/byteorder.h>"
  39 #endif
  40         u8 reserved;
  41 } __attribute__ ((packed));
  42
  43 ieee80211_txrx_result
  44 ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx);
  45
  46 ieee80211_txrx_result
  47 ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx);
  48
  49 void ieee80211_install_qdisc(struct net_device *dev);
  50
  51 int ieee80211_wme_register(void);
  52 void ieee80211_wme_unregister(void);
  53