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/*
* 802.11e protocol header file
*
* Copyright 2007, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
*/
#ifndef _802_11e_H_
#define _802_11e_H_
/* enable structure packing */
#if defined(__GNUC__)
#define PACKED __attribute__((packed))
#else
#pragma pack(1)
#define PACKED
#endif
#ifdef BCMDBG
extern const char *aci_names[];
#endif /* BCMDBG */
/* WME Traffic Specification (TSPEC) element */
#define WME_TSPEC_HDR_LEN 2 /* WME TSPEC header length */
#define WME_TSPEC_BODY_OFF 2 /* WME TSPEC body offset */
#define WME_CATEGORY_CODE_OFFSET 0 /* WME Category code offset */
#define WME_ACTION_CODE_OFFSET 1 /* WME Action code offset */
#define WME_TOKEN_CODE_OFFSET 2 /* WME Token code offset */
#define WME_STATUS_CODE_OFFSET 3 /* WME Status code offset */
struct tsinfo {
uint8 octets[3];
} PACKED;
typedef struct tsinfo tsinfo_t;
/* 802.11e TSPEC IE */
typedef struct tspec {
uint8 oui[DOT11_OUI_LEN]; /* WME_OUI */
uint8 type; /* WME_TYPE */
uint8 subtype; /* WME_SUBTYPE_TSPEC */
uint8 version; /* WME_VERSION */
tsinfo_t tsinfo; /* TS Info bit field */
uint16 nom_msdu_size; /* (Nominal or fixed) MSDU Size (bytes) */
uint16 max_msdu_size; /* Maximum MSDU Size (bytes) */
uint32 min_srv_interval; /* Minimum Service Interval (us) */
uint32 max_srv_interval; /* Maximum Service Interval (us) */
uint32 inactivity_interval; /* Inactivity Interval (us) */
uint32 suspension_interval; /* Suspension Interval (us) */
uint32 srv_start_time; /* Service Start Time (us) */
uint32 min_data_rate; /* Minimum Data Rate (bps) */
uint32 mean_data_rate; /* Mean Data Rate (bps) */
uint32 peak_data_rate; /* Peak Data Rate (bps) */
uint32 max_burst_size; /* Maximum Burst Size (bytes) */
uint32 delay_bound; /* Delay Bound (us) */
uint32 min_phy_rate; /* Minimum PHY Rate (bps) */
uint16 surplus_bw; /* Surplus Bandwidth Allowance Factor */
uint16 medium_time; /* Medium Time (32 us/s periods) */
} PACKED tspec_t;
#define WME_TSPEC_LEN (sizeof(tspec_t)) /* not including 2-bytes of header */
/* ts_info */
/* 802.1D priority is duplicated - bits 13-11 AND bits 3-1 */
#define TS_INFO_TID_SHIFT 1 /* TS info. TID shift */
#define TS_INFO_TID_MASK (0xf << TS_INFO_TID_SHIFT) /* TS info. TID mask */
#define TS_INFO_CONTENTION_SHIFT 7 /* TS info. contention shift */
#define TS_INFO_CONTENTION_MASK (0x1 << TS_INFO_CONTENTION_SHIFT) /* TS info. contention mask */
#define TS_INFO_DIRECTION_SHIFT 5 /* TS info. direction shift */
#define TS_INFO_DIRECTION_MASK (0x3 << TS_INFO_DIRECTION_SHIFT) /* TS info. direction mask */
#define TS_INFO_PSB_SHIFT 2 /* TS info. PSB bit Shift */
#define TS_INFO_PSB_MASK (1 << TS_INFO_PSB_SHIFT) /* TS info. PSB mask */
#define TS_INFO_UPLINK (0 << TS_INFO_DIRECTION_SHIFT) /* TS info. uplink */
#define TS_INFO_DOWNLINK (1 << TS_INFO_DIRECTION_SHIFT) /* TS info. downlink */
#define TS_INFO_BIDIRECTIONAL (3 << TS_INFO_DIRECTION_SHIFT) /* TS info. bidirectional */
#define TS_INFO_USER_PRIO_SHIFT 3 /* TS info. user priority shift */
/* TS info. user priority mask */
#define TS_INFO_USER_PRIO_MASK (0x7 << TS_INFO_USER_PRIO_SHIFT)
/* Macro to get/set bit(s) field in TSINFO */
#define WLC_CAC_GET_TID(pt) ((((pt).octets[0]) & TS_INFO_TID_MASK) >> TS_INFO_TID_SHIFT)
#define WLC_CAC_GET_DIR(pt) ((((pt).octets[0]) & \
TS_INFO_DIRECTION_MASK) >> TS_INFO_DIRECTION_SHIFT)
#define WLC_CAC_GET_PSB(pt) ((((pt).octets[1]) & WLC_CAC_PSB_MASK) >> WLC_CAC_PSB_SHIFT)
#define WLC_CAC_GET_USER_PRIO(pt) ((((pt).octets[1]) & \
TS_INFO_USER_PRIO_MASK) >> TS_INFO_USER_PRIO_SHIFT)
#define WLC_CAC_SET_TID(pt, id) ((((pt).octets[0]) & (~TS_INFO_TID_MASK)) | \
((id) << TS_INFO_TID_SHIFT))
#define WLC_CAC_SET_USER_PRIO(pt, prio) ((((pt).octets[0]) & (~TS_INFO_USER_PRIO_MASK)) | \
((prio) << TS_INFO_USER_PRIO_SHIFT))
/* 802.11e QBSS Load IE */
#define QBSS_LOAD_IE_LEN 5 /* QBSS Load IE length */
#define QBSS_LOAD_AAC_OFF 3 /* AAC offset in IE */
#define CAC_ADDTS_RESP_TIMEOUT 300 /* default ADDTS response timeout in ms */
/* 802.11e ADDTS status code */
#define DOT11E_STATUS_ADMISSION_ACCEPTED 0 /* TSPEC Admission accepted status */
#define DOT11E_STATUS_ADDTS_INVALID_PARAM 1 /* TSPEC invalid parameter status */
#define DOT11E_STATUS_ADDTS_REFUSED_NSBW 3 /* ADDTS refused (non-sufficient BW) */
/* 802.11e DELTS status code */
#define DOT11E_STATUS_QSTA_LEAVE_QBSS 36 /* STA leave QBSS */
#define DOT11E_STATUS_END_TS 37 /* END TS */
#define DOT11E_STATUS_UNKNOWN_TS 38 /* UNKNOWN TS */
#define DOT11E_STATUS_QSTA_REQ_TIMEOUT 39 /* STA ADDTS request timeout */
#undef PACKED
#if !defined(__GNUC__)
#pragma pack()
#endif
#endif /* _802_11e_CAC_H_ */
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