1/* 2 * 802.11e protocol header file 3 * 4 * Copyright (C) 1999-2012, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: 802.11e.h 241182 2011-02-17 21:50:03Z $ 25 */ 26 27#ifndef _802_11e_H_ 28#define _802_11e_H_ 29 30#ifndef _TYPEDEFS_H_ 31#include <typedefs.h> 32#endif 33 34/* This marks the start of a packed structure section. */ 35#include <packed_section_start.h> 36 37 38/* WME Traffic Specification (TSPEC) element */ 39#define WME_TSPEC_HDR_LEN 2 /* WME TSPEC header length */ 40#define WME_TSPEC_BODY_OFF 2 /* WME TSPEC body offset */ 41 42#define WME_CATEGORY_CODE_OFFSET 0 /* WME Category code offset */ 43#define WME_ACTION_CODE_OFFSET 1 /* WME Action code offset */ 44#define WME_TOKEN_CODE_OFFSET 2 /* WME Token code offset */ 45#define WME_STATUS_CODE_OFFSET 3 /* WME Status code offset */ 46 47BWL_PRE_PACKED_STRUCT struct tsinfo { 48 uint8 octets[3]; 49} BWL_POST_PACKED_STRUCT; 50 51typedef struct tsinfo tsinfo_t; 52 53/* 802.11e TSPEC IE */ 54typedef BWL_PRE_PACKED_STRUCT struct tspec { 55 uint8 oui[DOT11_OUI_LEN]; /* WME_OUI */ 56 uint8 type; /* WME_TYPE */ 57 uint8 subtype; /* WME_SUBTYPE_TSPEC */ 58 uint8 version; /* WME_VERSION */ 59 tsinfo_t tsinfo; /* TS Info bit field */ 60 uint16 nom_msdu_size; /* (Nominal or fixed) MSDU Size (bytes) */ 61 uint16 max_msdu_size; /* Maximum MSDU Size (bytes) */ 62 uint32 min_srv_interval; /* Minimum Service Interval (us) */ 63 uint32 max_srv_interval; /* Maximum Service Interval (us) */ 64 uint32 inactivity_interval; /* Inactivity Interval (us) */ 65 uint32 suspension_interval; /* Suspension Interval (us) */ 66 uint32 srv_start_time; /* Service Start Time (us) */ 67 uint32 min_data_rate; /* Minimum Data Rate (bps) */ 68 uint32 mean_data_rate; /* Mean Data Rate (bps) */ 69 uint32 peak_data_rate; /* Peak Data Rate (bps) */ 70 uint32 max_burst_size; /* Maximum Burst Size (bytes) */ 71 uint32 delay_bound; /* Delay Bound (us) */ 72 uint32 min_phy_rate; /* Minimum PHY Rate (bps) */ 73 uint16 surplus_bw; /* Surplus Bandwidth Allowance (range 1.0-8.0) */ 74 uint16 medium_time; /* Medium Time (32 us/s periods) */ 75} BWL_POST_PACKED_STRUCT tspec_t; 76 77#define WME_TSPEC_LEN (sizeof(tspec_t)) /* not including 2-bytes of header */ 78 79/* ts_info */ 80/* 802.1D priority is duplicated - bits 13-11 AND bits 3-1 */ 81#define TS_INFO_TID_SHIFT 1 /* TS info. TID shift */ 82#define TS_INFO_TID_MASK (0xf << TS_INFO_TID_SHIFT) /* TS info. TID mask */ 83#define TS_INFO_CONTENTION_SHIFT 7 /* TS info. contention shift */ 84#define TS_INFO_CONTENTION_MASK (0x1 << TS_INFO_CONTENTION_SHIFT) /* TS info. contention mask */ 85#define TS_INFO_DIRECTION_SHIFT 5 /* TS info. direction shift */ 86#define TS_INFO_DIRECTION_MASK (0x3 << TS_INFO_DIRECTION_SHIFT) /* TS info. direction mask */ 87#define TS_INFO_PSB_SHIFT 2 /* TS info. PSB bit Shift */ 88#define TS_INFO_PSB_MASK (1 << TS_INFO_PSB_SHIFT) /* TS info. PSB mask */ 89#define TS_INFO_UPLINK (0 << TS_INFO_DIRECTION_SHIFT) /* TS info. uplink */ 90#define TS_INFO_DOWNLINK (1 << TS_INFO_DIRECTION_SHIFT) /* TS info. downlink */ 91#define TS_INFO_BIDIRECTIONAL (3 << TS_INFO_DIRECTION_SHIFT) /* TS info. bidirectional */ 92#define TS_INFO_USER_PRIO_SHIFT 3 /* TS info. user priority shift */ 93/* TS info. user priority mask */ 94#define TS_INFO_USER_PRIO_MASK (0x7 << TS_INFO_USER_PRIO_SHIFT) 95 96/* Macro to get/set bit(s) field in TSINFO */ 97#define WLC_CAC_GET_TID(pt) ((((pt).octets[0]) & TS_INFO_TID_MASK) >> TS_INFO_TID_SHIFT) 98#define WLC_CAC_GET_DIR(pt) ((((pt).octets[0]) & \ 99 TS_INFO_DIRECTION_MASK) >> TS_INFO_DIRECTION_SHIFT) 100#define WLC_CAC_GET_PSB(pt) ((((pt).octets[1]) & TS_INFO_PSB_MASK) >> TS_INFO_PSB_SHIFT) 101#define WLC_CAC_GET_USER_PRIO(pt) ((((pt).octets[1]) & \ 102 TS_INFO_USER_PRIO_MASK) >> TS_INFO_USER_PRIO_SHIFT) 103 104#define WLC_CAC_SET_TID(pt, id) ((((pt).octets[0]) & (~TS_INFO_TID_MASK)) | \ 105 ((id) << TS_INFO_TID_SHIFT)) 106#define WLC_CAC_SET_USER_PRIO(pt, prio) ((((pt).octets[0]) & (~TS_INFO_USER_PRIO_MASK)) | \ 107 ((prio) << TS_INFO_USER_PRIO_SHIFT)) 108 109/* 802.11e QBSS Load IE */ 110#define QBSS_LOAD_IE_LEN 5 /* QBSS Load IE length */ 111#define QBSS_LOAD_AAC_OFF 3 /* AAC offset in IE */ 112 113#define CAC_ADDTS_RESP_TIMEOUT 300 /* default ADDTS response timeout in ms */ 114 115/* 802.11e ADDTS status code */ 116#define DOT11E_STATUS_ADMISSION_ACCEPTED 0 /* TSPEC Admission accepted status */ 117#define DOT11E_STATUS_ADDTS_INVALID_PARAM 1 /* TSPEC invalid parameter status */ 118#define DOT11E_STATUS_ADDTS_REFUSED_NSBW 3 /* ADDTS refused (non-sufficient BW) */ 119#define DOT11E_STATUS_ADDTS_REFUSED_AWHILE 47 /* ADDTS refused but could retry later */ 120 121/* 802.11e DELTS status code */ 122#define DOT11E_STATUS_QSTA_LEAVE_QBSS 36 /* STA leave QBSS */ 123#define DOT11E_STATUS_END_TS 37 /* END TS */ 124#define DOT11E_STATUS_UNKNOWN_TS 38 /* UNKNOWN TS */ 125#define DOT11E_STATUS_QSTA_REQ_TIMEOUT 39 /* STA ADDTS request timeout */ 126 127 128/* This marks the end of a packed structure section. */ 129#include <packed_section_end.h> 130 131#endif /* _802_11e_CAC_H_ */ 132