drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __INC_QOS_TYPE_H
   3 #define __INC_QOS_TYPE_H
   4
   5 /*
   6  * ACI/AIFSN Field.
   7  * Ref: WMM spec 2.2.2: WME Parameter Element, p.12.
   8  * Note: 1 Byte Length
   9  */
  10 struct aci_aifsn {
  11         u8      aifsn:4;
  12         u8      acm:1;
  13         u8      aci:2;
  14         u8:1;
  15 };
  16
  17 /*
  18  * Direction Field Values.
  19  * Ref: WMM spec 2.2.11: WME TSPEC Element, p.18.
  20  */
  21 enum direction_value {
  22         DIR_UP                  = 0,            // 0x00 // UpLink
  23         DIR_DOWN                = 1,            // 0x01 // DownLink
  24         DIR_DIRECT              = 2,            // 0x10 // DirectLink
  25         DIR_BI_DIR              = 3,            // 0x11 // Bi-Direction
  26 };
  27
  28 /*
  29  * TS Info field in WMM TSPEC Element.
  30  * Ref:
  31  *      1. WMM spec 2.2.11: WME TSPEC Element, p.18.
  32  *      2. 8185 QoS code: QOS_TSINFO [def. in QoS_mp.h]
  33  * Note: sizeof 3 Bytes
  34  */
  35 struct qos_tsinfo {
  36         u16             uc_traffic_type:1;              //WMM is reserved
  37         u16             uc_tsid:4;
  38         u16             uc_direction:2;
  39         u16             uc_access_policy:2;             //WMM: bit8=0, bit7=1
  40         u16             uc_aggregation:1;               //WMM is reserved
  41         u16             uc_psb:1;                       //WMMSA is APSD
  42         u16             uc_up:3;
  43         u16             uc_ts_info_ack_policy:2;        //WMM is reserved
  44         u8              uc_schedule:1;                  //WMM is reserved
  45         u8:7;
  46 };
  47
  48 /*
  49  * WMM TSPEC Body.
  50  * Ref: WMM spec 2.2.11: WME TSPEC Element, p.16.
  51  * Note: sizeof 55 bytes
  52  */
  53 struct tspec_body {
  54         struct qos_tsinfo       ts_info;        //u8    TSInfo[3];
  55         u16     nominal_msd_usize;
  56         u16     max_msd_usize;
  57         u32     min_service_itv;
  58         u32     max_service_itv;
  59         u32     inactivity_itv;
  60         u32     suspen_itv;
  61         u32     service_start_time;
  62         u32     min_data_rate;
  63         u32     mean_data_rate;
  64         u32     peak_data_rate;
  65         u32     max_burst_size;
  66         u32     delay_bound;
  67         u32     min_phy_rate;
  68         u16     surplus_bandwidth_allowance;
  69         u16     medium_time;
  70 };
  71
  72 /*
  73  *      802.11 Management frame Status Code field
  74  */
  75 struct octet_string {
  76         u8              *octet;
  77         u16             length;
  78 };
  79
  80 #define is_ac_valid(ac)                 (((ac) <= 7) ? true : false)
  81
  82 #endif // #ifndef __INC_QOS_TYPE_H