package/broadcom-wl/src/driver/proto/802.11e.h

   1 /*
   2  * 802.11e protocol header file
   3  *
   4  * Copyright 2007, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  *
  12  */
  13
  14 #ifndef _802_11e_H_
  15 #define _802_11e_H_
  16
  17 /* enable structure packing */
  18 #if defined(__GNUC__)
  19 #define PACKED  __attribute__((packed))
  20 #else
  21 #pragma pack(1)
  22 #define PACKED
  23 #endif
  24
  25 #ifdef BCMDBG
  26 extern const char *aci_names[];
  27 #endif /* BCMDBG */
  28
  29 /* WME Traffic Specification (TSPEC) element */
  30 #define WME_TSPEC_HDR_LEN           2           /* WME TSPEC header length */
  31 #define WME_TSPEC_BODY_OFF          2           /* WME TSPEC body offset */
  32
  33 #define WME_CATEGORY_CODE_OFFSET        0               /* WME Category code offset */
  34 #define WME_ACTION_CODE_OFFSET          1               /* WME Action code offset */
  35 #define WME_TOKEN_CODE_OFFSET           2               /* WME Token code offset */
  36 #define WME_STATUS_CODE_OFFSET          3               /* WME Status code offset */
  37
  38 struct tsinfo {
  39         uint8 octets[3];
  40 } PACKED;
  41
  42 typedef struct tsinfo tsinfo_t;
  43
  44 /* 802.11e TSPEC IE */
  45 typedef struct tspec {
  46         uint8 oui[DOT11_OUI_LEN];       /* WME_OUI */
  47         uint8 type;                                     /* WME_TYPE */
  48         uint8 subtype;                          /* WME_SUBTYPE_TSPEC */
  49         uint8 version;                          /* WME_VERSION */
  50         tsinfo_t tsinfo;                        /* TS Info bit field */
  51         uint16 nom_msdu_size;           /* (Nominal or fixed) MSDU Size (bytes) */
  52         uint16 max_msdu_size;           /* Maximum MSDU Size (bytes) */
  53         uint32 min_srv_interval;        /* Minimum Service Interval (us) */
  54         uint32 max_srv_interval;        /* Maximum Service Interval (us) */
  55         uint32 inactivity_interval;     /* Inactivity Interval (us) */
  56         uint32 suspension_interval; /* Suspension Interval (us) */
  57         uint32 srv_start_time;          /* Service Start Time (us) */
  58         uint32 min_data_rate;           /* Minimum Data Rate (bps) */
  59         uint32 mean_data_rate;          /* Mean Data Rate (bps) */
  60         uint32 peak_data_rate;          /* Peak Data Rate (bps) */
  61         uint32 max_burst_size;          /* Maximum Burst Size (bytes) */
  62         uint32 delay_bound;                     /* Delay Bound (us) */
  63         uint32 min_phy_rate;            /* Minimum PHY Rate (bps) */
  64         uint16 surplus_bw;                      /* Surplus Bandwidth Allowance Factor */
  65         uint16 medium_time;                     /* Medium Time (32 us/s periods) */
  66 } PACKED tspec_t;
  67
  68 #define WME_TSPEC_LEN   (sizeof(tspec_t))               /* not including 2-bytes of header */
  69
  70 /* ts_info */
  71 /* 802.1D priority is duplicated - bits 13-11 AND bits 3-1 */
  72 #define TS_INFO_TID_SHIFT               1       /* TS info. TID shift */
  73 #define TS_INFO_TID_MASK                (0xf << TS_INFO_TID_SHIFT)      /* TS info. TID mask */
  74 #define TS_INFO_CONTENTION_SHIFT        7       /* TS info. contention shift */
  75 #define TS_INFO_CONTENTION_MASK (0x1 << TS_INFO_CONTENTION_SHIFT) /* TS info. contention mask */
  76 #define TS_INFO_DIRECTION_SHIFT 5       /* TS info. direction shift */
  77 #define TS_INFO_DIRECTION_MASK  (0x3 << TS_INFO_DIRECTION_SHIFT) /* TS info. direction mask */
  78 #define TS_INFO_PSB_SHIFT               2               /* TS info. PSB bit Shift */
  79 #define TS_INFO_PSB_MASK                (1 << TS_INFO_PSB_SHIFT)        /* TS info. PSB mask */
  80 #define TS_INFO_UPLINK                  (0 << TS_INFO_DIRECTION_SHIFT)  /* TS info. uplink */
  81 #define TS_INFO_DOWNLINK                (1 << TS_INFO_DIRECTION_SHIFT)  /* TS info. downlink */
  82 #define TS_INFO_BIDIRECTIONAL   (3 << TS_INFO_DIRECTION_SHIFT)  /* TS info. bidirectional */
  83 #define TS_INFO_USER_PRIO_SHIFT 3       /* TS info. user priority shift */
  84 /* TS info. user priority mask */
  85 #define TS_INFO_USER_PRIO_MASK  (0x7 << TS_INFO_USER_PRIO_SHIFT)
  86
  87 /* Macro to get/set bit(s) field in TSINFO */
  88 #define WLC_CAC_GET_TID(pt)     ((((pt).octets[0]) & TS_INFO_TID_MASK) >> TS_INFO_TID_SHIFT)
  89 #define WLC_CAC_GET_DIR(pt)     ((((pt).octets[0]) & \
  90         TS_INFO_DIRECTION_MASK) >> TS_INFO_DIRECTION_SHIFT)
  91 #define WLC_CAC_GET_PSB(pt)     ((((pt).octets[1]) & WLC_CAC_PSB_MASK) >> WLC_CAC_PSB_SHIFT)
  92 #define WLC_CAC_GET_USER_PRIO(pt)       ((((pt).octets[1]) & \
  93         TS_INFO_USER_PRIO_MASK) >> TS_INFO_USER_PRIO_SHIFT)
  94
  95 #define WLC_CAC_SET_TID(pt, id) ((((pt).octets[0]) & (~TS_INFO_TID_MASK)) | \
  96         ((id) << TS_INFO_TID_SHIFT))
  97 #define WLC_CAC_SET_USER_PRIO(pt, prio) ((((pt).octets[0]) & (~TS_INFO_USER_PRIO_MASK)) | \
  98         ((prio) << TS_INFO_USER_PRIO_SHIFT))
  99
 100 /* 802.11e QBSS Load IE */
 101 #define QBSS_LOAD_IE_LEN                5       /* QBSS Load IE length */
 102 #define QBSS_LOAD_AAC_OFF               3       /* AAC offset in IE */
 103
 104 #define CAC_ADDTS_RESP_TIMEOUT          300     /* default ADDTS response timeout in ms */
 105
 106 /* 802.11e ADDTS status code */
 107 #define DOT11E_STATUS_ADMISSION_ACCEPTED        0       /* TSPEC Admission accepted status */
 108 #define DOT11E_STATUS_ADDTS_INVALID_PARAM       1       /* TSPEC invalid parameter status */
 109 #define DOT11E_STATUS_ADDTS_REFUSED_NSBW        3       /* ADDTS refused (non-sufficient BW) */
 110
 111 /* 802.11e DELTS status code */
 112 #define DOT11E_STATUS_QSTA_LEAVE_QBSS           36      /* STA leave QBSS */
 113 #define DOT11E_STATUS_END_TS                            37      /* END TS */
 114 #define DOT11E_STATUS_UNKNOWN_TS                        38      /* UNKNOWN TS */
 115 #define DOT11E_STATUS_QSTA_REQ_TIMEOUT          39      /* STA ADDTS request timeout */
 116
 117 #undef PACKED
 118 #if !defined(__GNUC__)
 119 #pragma pack()
 120 #endif
 121
 122 #endif /* _802_11e_CAC_H_ */