853 lines
26 KiB
C
853 lines
26 KiB
C
/*
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* Copyright 2004, Broadcom Corporation
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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*
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* Fundamental types and constants relating to 802.11
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*
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* $Id$
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*/
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#ifndef _802_11_H_
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#define _802_11_H_
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#ifndef _TYPEDEFS_H_
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#include <typedefs.h>
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#endif
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#ifndef _NET_ETHERNET_H_
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#include <proto/ethernet.h>
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#endif
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/* enable structure packing */
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#if !defined(__GNUC__)
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#pragma pack(1)
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#endif
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/* some platforms require stronger medicine */
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#if defined(__GNUC__)
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#define PACKED __attribute__((packed))
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#else
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#define PACKED
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#endif
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#define DOT11_TU_TO_US 1024 /* 802.11 Time Unit is 1024 microseconds */
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/* Generic 802.11 frame constants */
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#define DOT11_A3_HDR_LEN 24
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#define DOT11_A4_HDR_LEN 30
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#define DOT11_MAC_HDR_LEN DOT11_A3_HDR_LEN
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#define DOT11_FCS_LEN 4
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#define DOT11_ICV_LEN 4
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#define DOT11_ICV_AES_LEN 8
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#define DOT11_QOS_LEN 2
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#define DOT11_KEY_INDEX_SHIFT 6
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#define DOT11_IV_LEN 4
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#define DOT11_IV_TKIP_LEN 8
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#define DOT11_IV_AES_OCB_LEN 4
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#define DOT11_IV_AES_CCM_LEN 8
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/* Includes MIC */
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#define DOT11_MAX_MPDU_BODY_LEN 2304
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/* A4 header + QoS + CCMP + PDU + ICV + FCS = 2352 */
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#define DOT11_MAX_MPDU_LEN (DOT11_A4_HDR_LEN + \
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DOT11_QOS_LEN + \
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DOT11_IV_AES_CCM_LEN + \
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DOT11_MAX_MPDU_BODY_LEN + \
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DOT11_ICV_LEN + \
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DOT11_FCS_LEN)
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#define DOT11_MAX_SSID_LEN 32
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/* dot11RTSThreshold */
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#define DOT11_DEFAULT_RTS_LEN 2347
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#define DOT11_MAX_RTS_LEN 2347
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/* dot11FragmentationThreshold */
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#define DOT11_MIN_FRAG_LEN 256
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#define DOT11_MAX_FRAG_LEN 2346 /* Max frag is also limited by aMPDUMaxLength of the attached PHY */
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#define DOT11_DEFAULT_FRAG_LEN 2346
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/* dot11BeaconPeriod */
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#define DOT11_MIN_BEACON_PERIOD 1
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#define DOT11_MAX_BEACON_PERIOD 0xFFFF
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/* dot11DTIMPeriod */
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#define DOT11_MIN_DTIM_PERIOD 1
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#define DOT11_MAX_DTIM_PERIOD 0xFF
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/* 802.2 LLC/SNAP header used by 802.11 per 802.1H */
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#define DOT11_LLC_SNAP_HDR_LEN 8
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#define DOT11_OUI_LEN 3
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struct dot11_llc_snap_header {
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uint8 dsap; /* always 0xAA */
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uint8 ssap; /* always 0xAA */
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uint8 ctl; /* always 0x03 */
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uint8 oui[DOT11_OUI_LEN]; /* RFC1042: 0x00 0x00 0x00
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Bridge-Tunnel: 0x00 0x00 0xF8 */
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uint16 type; /* ethertype */
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} PACKED;
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/* RFC1042 header used by 802.11 per 802.1H */
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#define RFC1042_HDR_LEN (ETHER_HDR_LEN + DOT11_LLC_SNAP_HDR_LEN)
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/* Generic 802.11 MAC header */
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/*
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* N.B.: This struct reflects the full 4 address 802.11 MAC header.
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* The fields are defined such that the shorter 1, 2, and 3
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* address headers just use the first k fields.
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*/
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struct dot11_header {
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uint16 fc; /* frame control */
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uint16 durid; /* duration/ID */
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struct ether_addr a1; /* address 1 */
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struct ether_addr a2; /* address 2 */
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struct ether_addr a3; /* address 3 */
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uint16 seq; /* sequence control */
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struct ether_addr a4; /* address 4 */
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} PACKED;
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/* Control frames */
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struct dot11_rts_frame {
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uint16 fc; /* frame control */
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uint16 durid; /* duration/ID */
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struct ether_addr ra; /* receiver address */
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struct ether_addr ta; /* transmitter address */
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} PACKED;
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#define DOT11_RTS_LEN 16
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struct dot11_cts_frame {
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uint16 fc; /* frame control */
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uint16 durid; /* duration/ID */
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struct ether_addr ra; /* receiver address */
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} PACKED;
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#define DOT11_CTS_LEN 10
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struct dot11_ack_frame {
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uint16 fc; /* frame control */
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uint16 durid; /* duration/ID */
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struct ether_addr ra; /* receiver address */
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} PACKED;
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#define DOT11_ACK_LEN 10
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struct dot11_ps_poll_frame {
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uint16 fc; /* frame control */
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uint16 durid; /* AID */
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struct ether_addr bssid; /* receiver address, STA in AP */
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struct ether_addr ta; /* transmitter address */
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} PACKED;
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#define DOT11_PS_POLL_LEN 16
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struct dot11_cf_end_frame {
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uint16 fc; /* frame control */
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uint16 durid; /* duration/ID */
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struct ether_addr ra; /* receiver address */
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struct ether_addr bssid; /* transmitter address, STA in AP */
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} PACKED;
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#define DOT11_CS_END_LEN 16
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/* Management frame header */
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struct dot11_management_header {
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uint16 fc; /* frame control */
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uint16 durid; /* duration/ID */
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struct ether_addr da; /* receiver address */
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struct ether_addr sa; /* transmitter address */
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struct ether_addr bssid; /* BSS ID */
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uint16 seq; /* sequence control */
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} PACKED;
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#define DOT11_MGMT_HDR_LEN 24
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/* Management frame payloads */
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struct dot11_bcn_prb {
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uint32 timestamp[2];
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uint16 beacon_interval;
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uint16 capability;
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} PACKED;
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#define DOT11_BCN_PRB_LEN 12
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struct dot11_auth {
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uint16 alg; /* algorithm */
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uint16 seq; /* sequence control */
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uint16 status; /* status code */
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} PACKED;
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#define DOT11_AUTH_FIXED_LEN 6 /* length of auth frame without challenge info elt */
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struct dot11_assoc_req {
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uint16 capability; /* capability information */
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uint16 listen; /* listen interval */
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} PACKED;
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struct dot11_assoc_resp {
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uint16 capability; /* capability information */
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uint16 status; /* status code */
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uint16 aid; /* association ID */
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} PACKED;
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struct dot11_action_measure {
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uint8 category;
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uint8 action;
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uint8 token;
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uint8 data[1];
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} PACKED;
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#define DOT11_ACTION_MEASURE_LEN 3
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/**************
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802.11h related definitions.
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**************/
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typedef struct {
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uint8 id;
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uint8 len;
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uint8 power;
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} dot11_power_cnst_t;
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typedef struct {
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uint8 min;
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uint8 max;
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} dot11_power_cap_t;
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typedef struct {
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uint8 id;
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uint8 len;
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uint8 tx_pwr;
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uint8 margin;
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} dot11_tpc_rep_t;
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#define DOT11_MNG_IE_TPC_REPORT_LEN 2 /* length of IE data, not including 2 byte header */
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typedef struct {
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uint8 id;
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uint8 len;
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uint8 first_channel;
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uint8 num_channels;
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} dot11_supp_channels_t;
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struct dot11_channel_switch {
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uint8 id;
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uint8 len;
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uint8 mode;
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uint8 channel;
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uint8 count;
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} PACKED;
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typedef struct dot11_channel_switch dot11_channel_switch_t;
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/* 802.11h Measurement Request/Report IEs */
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/* Measurement Type field */
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#define DOT11_MEASURE_TYPE_BASIC 0
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#define DOT11_MEASURE_TYPE_CCA 1
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#define DOT11_MEASURE_TYPE_RPI 2
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/* Measurement Mode field */
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/* Measurement Request Modes */
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#define DOT11_MEASURE_MODE_ENABLE (1<<1)
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#define DOT11_MEASURE_MODE_REQUEST (1<<2)
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#define DOT11_MEASURE_MODE_REPORT (1<<3)
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/* Measurement Report Modes */
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#define DOT11_MEASURE_MODE_LATE (1<<0)
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#define DOT11_MEASURE_MODE_INCAPABLE (1<<1)
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#define DOT11_MEASURE_MODE_REFUSED (1<<2)
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/* Basic Measurement Map bits */
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#define DOT11_MEASURE_BASIC_MAP_BSS ((uint8)(1<<0))
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#define DOT11_MEASURE_BASIC_MAP_OFDM ((uint8)(1<<1))
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#define DOT11_MEASURE_BASIC_MAP_UKNOWN ((uint8)(1<<2))
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#define DOT11_MEASURE_BASIC_MAP_RADAR ((uint8)(1<<3))
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#define DOT11_MEASURE_BASIC_MAP_UNMEAS ((uint8)(1<<4))
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typedef struct {
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uint8 id;
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uint8 len;
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uint8 token;
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uint8 mode;
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uint8 type;
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uint8 channel;
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uint8 start_time[8];
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uint16 duration;
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} dot11_meas_req_t;
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#define DOT11_MNG_IE_MREQ_LEN 14
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/* length of Measure Request IE data not including variable len */
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#define DOT11_MNG_IE_MREQ_FIXED_LEN 3
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struct dot11_meas_rep {
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uint8 id;
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uint8 len;
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uint8 token;
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uint8 mode;
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uint8 type;
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union
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{
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struct {
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uint8 channel;
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uint8 start_time[8];
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uint16 duration;
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uint8 map;
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} PACKED basic;
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uint8 data[1];
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} PACKED rep;
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} PACKED;
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typedef struct dot11_meas_rep dot11_meas_rep_t;
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/* length of Measure Report IE data not including variable len */
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#define DOT11_MNG_IE_MREP_FIXED_LEN 3
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struct dot11_meas_rep_basic {
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uint8 channel;
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uint8 start_time[8];
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uint16 duration;
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uint8 map;
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} PACKED;
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typedef struct dot11_meas_rep_basic dot11_meas_rep_basic_t;
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#define DOT11_MEASURE_BASIC_REP_LEN 12
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struct dot11_quiet {
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uint8 id;
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uint8 len;
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uint8 count; /* TBTTs until beacon interval in quiet starts */
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uint8 period; /* Beacon intervals between periodic quiet periods ? */
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uint16 duration;/* Length of quiet period, in TU's */
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uint16 offset; /* TU's offset from TBTT in Count field */
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} PACKED;
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typedef struct dot11_quiet dot11_quiet_t;
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typedef struct {
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uint8 channel;
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uint8 map;
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} chan_map_tuple_t;
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typedef struct {
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uint8 id;
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uint8 len;
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uint8 eaddr[ETHER_ADDR_LEN];
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uint8 interval;
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chan_map_tuple_t map[1];
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} dot11_ibss_dfs_t;
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/* WME Elements */
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#define WME_OUI "\x00\x50\xf2"
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#define WME_VER 1
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#define WME_TYPE 2
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#define WME_SUBTYPE_IE 0 /* Information Element */
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#define WME_SUBTYPE_PARAM_IE 1 /* Parameter Element */
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#define WME_SUBTYPE_TSPEC 2 /* Traffic Specification */
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/* WME Access Category Indices (ACIs) */
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#define AC_BE 0 /* Best Effort */
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#define AC_BK 1 /* Background */
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#define AC_VI 2 /* Video */
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#define AC_VO 3 /* Voice */
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#define AC_MAX 4
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/* WME Information Element (IE) */
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struct wme_ie {
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uint8 oui[3];
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uint8 type;
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uint8 subtype;
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uint8 version;
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uint8 acinfo;
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} PACKED;
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typedef struct wme_ie wme_ie_t;
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#define WME_IE_LEN 7
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struct wme_acparam {
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uint8 ACI;
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uint8 ECW;
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uint16 TXOP; /* stored in network order (ls octet first) */
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} PACKED;
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typedef struct wme_acparam wme_acparam_t;
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/* WME Parameter Element (PE) */
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struct wme_params {
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uint8 oui[3];
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uint8 type;
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uint8 subtype;
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uint8 version;
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uint8 acinfo;
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uint8 rsvd;
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wme_acparam_t acparam[4];
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} PACKED;
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typedef struct wme_params wme_params_t;
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#define WME_PARAMS_IE_LEN 24
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/* acinfo */
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#define WME_COUNT_MASK 0x0f
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/* ACI */
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#define WME_AIFS_MASK 0x0f
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#define WME_ACM_MASK 0x10
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#define WME_ACI_MASK 0x60
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#define WME_ACI_SHIFT 5
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/* ECW */
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#define WME_CWMIN_MASK 0x0f
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#define WME_CWMAX_MASK 0xf0
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#define WME_CWMAX_SHIFT 4
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#define WME_TXOP_UNITS 32
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/* WME Traffic Specification (TSPEC) element */
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#define WME_SUBTYPE_TSPEC 2
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#define WME_TSPEC_HDR_LEN 2
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#define WME_TSPEC_BODY_OFF 2
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struct wme_tspec {
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uint8 oui[DOT11_OUI_LEN]; /* WME_OUI */
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uint8 type; /* WME_TYPE */
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uint8 subtype; /* WME_SUBTYPE_TSPEC */
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uint8 version; /* WME_VERSION */
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uint16 ts_info; /* TS Info */
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uint16 nom_msdu_size; /* (Nominal or fixed) MSDU Size (bytes) */
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uint16 max_msdu_size; /* Maximum MSDU Size (bytes) */
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uint32 min_service_interval; /* Minimum Service Interval (us) */
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uint32 max_service_interval; /* Maximum Service Interval (us) */
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uint32 inactivity_interval; /* Inactivity Interval (us) */
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uint32 service_start; /* Service Start Time (us) */
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uint32 min_rate; /* Minimum Data Rate (bps) */
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uint32 mean_rate; /* Mean Data Rate (bps) */
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uint32 max_burst_size; /* Maximum Burst Size (bytes) */
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uint32 min_phy_rate; /* Minimum PHY Rate (bps) */
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uint32 peak_rate; /* Peak Data Rate (bps) */
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uint32 delay_bound; /* Delay Bound (us) */
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uint16 surplus_bandwidth; /* Surplus Bandwidth Allowance Factor */
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uint16 medium_time; /* Medium Time (32 us/s periods) */
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} PACKED;
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typedef struct wme_tspec wme_tspec_t;
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#define WME_TSPEC_LEN 56 /* not including 2-byte header */
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/* ts_info */
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/* 802.1D priority is duplicated - bits 13-11 AND bits 3-1 */
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#define TS_INFO_PRIO_SHIFT_HI 11
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#define TS_INFO_PRIO_MASK_HI (0x7 << TS_INFO_PRIO_SHIFT_HI)
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#define TS_INFO_PRIO_SHIFT_LO 1
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#define TS_INFO_PRIO_MASK_LO (0x7 << TS_INFO_PRIO_SHIFT_LO)
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#define TS_INFO_CONTENTION_SHIFT 7
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#define TS_INFO_CONTENTION_MASK (0x1 << TS_INFO_CONTENTION_SHIFT)
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#define TS_INFO_DIRECTION_SHIFT 5
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#define TS_INFO_DIRECTION_MASK (0x3 << TS_INFO_DIRECTION_SHIFT)
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#define TS_INFO_UPLINK (0 << TS_INFO_DIRECTION_SHIFT)
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#define TS_INFO_DOWNLINK (1 << TS_INFO_DIRECTION_SHIFT)
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#define TS_INFO_BIDIRECTIONAL (3 << TS_INFO_DIRECTION_SHIFT)
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/* nom_msdu_size */
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#define FIXED_MSDU_SIZE 0x8000 /* MSDU size is fixed */
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#define MSDU_SIZE_MASK 0x7fff /* (Nominal or fixed) MSDU size */
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/* surplus_bandwidth */
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/* Represented as 3 bits of integer, binary point, 13 bits fraction */
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#define INTEGER_SHIFT 13
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#define FRACTION_MASK 0x1FFF
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/* Management Notification Frame */
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struct dot11_management_notification {
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uint8 category; /* DOT11_ACTION_NOTIFICATION */
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uint8 action;
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uint8 token;
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uint8 status;
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uint8 data[1]; /* Elements */
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} PACKED;
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#define DOT11_MGMT_NOTIFICATION_LEN 4 /* Fixed length */
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/* WME Action Codes */
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#define WME_SETUP_REQUEST 0
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#define WME_SETUP_RESPONSE 1
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#define WME_TEARDOWN 2
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/* WME Setup Response Status Codes */
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#define WME_ADMISSION_ACCEPTED 0
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#define WME_INVALID_PARAMETERS 1
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#define WME_ADMISSION_REFUSED 3
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/* Macro to take a pointer to a beacon or probe response
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* header and return the char* pointer to the SSID info element
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*/
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#define BCN_PRB_SSID(hdr) ((char*)(hdr) + DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_LEN)
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/* Authentication frame payload constants */
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#define DOT11_OPEN_SYSTEM 0
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#define DOT11_SHARED_KEY 1
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#define DOT11_CHALLENGE_LEN 128
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/* Frame control macros */
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#define FC_PVER_MASK 0x3
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#define FC_PVER_SHIFT 0
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#define FC_TYPE_MASK 0xC
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#define FC_TYPE_SHIFT 2
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#define FC_SUBTYPE_MASK 0xF0
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#define FC_SUBTYPE_SHIFT 4
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#define FC_TODS 0x100
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#define FC_TODS_SHIFT 8
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#define FC_FROMDS 0x200
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#define FC_FROMDS_SHIFT 9
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#define FC_MOREFRAG 0x400
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#define FC_MOREFRAG_SHIFT 10
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#define FC_RETRY 0x800
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#define FC_RETRY_SHIFT 11
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#define FC_PM 0x1000
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#define FC_PM_SHIFT 12
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#define FC_MOREDATA 0x2000
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#define FC_MOREDATA_SHIFT 13
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#define FC_WEP 0x4000
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#define FC_WEP_SHIFT 14
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#define FC_ORDER 0x8000
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#define FC_ORDER_SHIFT 15
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/* sequence control macros */
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#define SEQNUM_SHIFT 4
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#define FRAGNUM_MASK 0xF
|
|
|
|
/* Frame Control type/subtype defs */
|
|
|
|
/* FC Types */
|
|
#define FC_TYPE_MNG 0
|
|
#define FC_TYPE_CTL 1
|
|
#define FC_TYPE_DATA 2
|
|
|
|
/* Management Subtypes */
|
|
#define FC_SUBTYPE_ASSOC_REQ 0
|
|
#define FC_SUBTYPE_ASSOC_RESP 1
|
|
#define FC_SUBTYPE_REASSOC_REQ 2
|
|
#define FC_SUBTYPE_REASSOC_RESP 3
|
|
#define FC_SUBTYPE_PROBE_REQ 4
|
|
#define FC_SUBTYPE_PROBE_RESP 5
|
|
#define FC_SUBTYPE_BEACON 8
|
|
#define FC_SUBTYPE_ATIM 9
|
|
#define FC_SUBTYPE_DISASSOC 10
|
|
#define FC_SUBTYPE_AUTH 11
|
|
#define FC_SUBTYPE_DEAUTH 12
|
|
#define FC_SUBTYPE_ACTION 13
|
|
|
|
/* Control Subtypes */
|
|
#define FC_SUBTYPE_PS_POLL 10
|
|
#define FC_SUBTYPE_RTS 11
|
|
#define FC_SUBTYPE_CTS 12
|
|
#define FC_SUBTYPE_ACK 13
|
|
#define FC_SUBTYPE_CF_END 14
|
|
#define FC_SUBTYPE_CF_END_ACK 15
|
|
|
|
/* Data Subtypes */
|
|
#define FC_SUBTYPE_DATA 0
|
|
#define FC_SUBTYPE_DATA_CF_ACK 1
|
|
#define FC_SUBTYPE_DATA_CF_POLL 2
|
|
#define FC_SUBTYPE_DATA_CF_ACK_POLL 3
|
|
#define FC_SUBTYPE_NULL 4
|
|
#define FC_SUBTYPE_CF_ACK 5
|
|
#define FC_SUBTYPE_CF_POLL 6
|
|
#define FC_SUBTYPE_CF_ACK_POLL 7
|
|
#define FC_SUBTYPE_QOS_DATA 8
|
|
#define FC_SUBTYPE_QOS_NULL 12
|
|
|
|
/* type-subtype combos */
|
|
#define FC_KIND_MASK (FC_TYPE_MASK | FC_SUBTYPE_MASK)
|
|
|
|
#define FC_KIND(t, s) (((t) << FC_TYPE_SHIFT) | ((s) << FC_SUBTYPE_SHIFT))
|
|
|
|
#define FC_ASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_REQ)
|
|
#define FC_ASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ASSOC_RESP)
|
|
#define FC_REASSOC_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_REQ)
|
|
#define FC_REASSOC_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_REASSOC_RESP)
|
|
#define FC_PROBE_REQ FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_REQ)
|
|
#define FC_PROBE_RESP FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_PROBE_RESP)
|
|
#define FC_BEACON FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_BEACON)
|
|
#define FC_DISASSOC FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DISASSOC)
|
|
#define FC_AUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_AUTH)
|
|
#define FC_DEAUTH FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_DEAUTH)
|
|
#define FC_ACTION FC_KIND(FC_TYPE_MNG, FC_SUBTYPE_ACTION)
|
|
|
|
#define FC_PS_POLL FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_PS_POLL)
|
|
#define FC_RTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_RTS)
|
|
#define FC_CTS FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CTS)
|
|
#define FC_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_ACK)
|
|
#define FC_CF_END FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END)
|
|
#define FC_CF_END_ACK FC_KIND(FC_TYPE_CTL, FC_SUBTYPE_CF_END_ACK)
|
|
|
|
#define FC_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA)
|
|
#define FC_NULL_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_NULL)
|
|
#define FC_DATA_CF_ACK FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_DATA_CF_ACK)
|
|
#define FC_QOS_DATA FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_DATA)
|
|
#define FC_QOS_NULL FC_KIND(FC_TYPE_DATA, FC_SUBTYPE_QOS_NULL)
|
|
|
|
/* QoS Control Field */
|
|
|
|
/* 802.1D Tag */
|
|
#define QOS_PRIO_SHIFT 0
|
|
#define QOS_PRIO_MASK 0x0007
|
|
#define QOS_PRIO(qos) (((qos) & QOS_PRIO_MASK) >> QOS_PRIO_SHIFT)
|
|
|
|
/* Ack Policy (0 means Acknowledge) */
|
|
#define QOS_ACK_SHIFT 5
|
|
#define QOS_ACK_MASK 0x0060
|
|
#define QOS_ACK(qos) (((qos) & QOS_ACK_MASK) >> QOS_ACK_SHIFT)
|
|
|
|
/* Management Frames */
|
|
|
|
/* Management Frame Constants */
|
|
|
|
/* Fixed fields */
|
|
#define DOT11_MNG_AUTH_ALGO_LEN 2
|
|
#define DOT11_MNG_AUTH_SEQ_LEN 2
|
|
#define DOT11_MNG_BEACON_INT_LEN 2
|
|
#define DOT11_MNG_CAP_LEN 2
|
|
#define DOT11_MNG_AP_ADDR_LEN 6
|
|
#define DOT11_MNG_LISTEN_INT_LEN 2
|
|
#define DOT11_MNG_REASON_LEN 2
|
|
#define DOT11_MNG_AID_LEN 2
|
|
#define DOT11_MNG_STATUS_LEN 2
|
|
#define DOT11_MNG_TIMESTAMP_LEN 8
|
|
|
|
/* DUR/ID field in assoc resp is 0xc000 | AID */
|
|
#define DOT11_AID_MASK 0x3fff
|
|
|
|
/* Reason Codes */
|
|
#define DOT11_RC_RESERVED 0
|
|
#define DOT11_RC_UNSPECIFIED 1 /* Unspecified reason */
|
|
#define DOT11_RC_AUTH_INVAL 2 /* Previous authentication no longer valid */
|
|
#define DOT11_RC_DEAUTH_LEAVING 3 /* Deauthenticated because sending station is
|
|
leaving (or has left) IBSS or ESS */
|
|
#define DOT11_RC_INACTIVITY 4 /* Disassociated due to inactivity */
|
|
#define DOT11_RC_BUSY 5 /* Disassociated because AP is unable to handle
|
|
all currently associated stations */
|
|
#define DOT11_RC_INVAL_CLASS_2 6 /* Class 2 frame received from
|
|
nonauthenticated station */
|
|
#define DOT11_RC_INVAL_CLASS_3 7 /* Class 3 frame received from
|
|
nonassociated station */
|
|
#define DOT11_RC_DISASSOC_LEAVING 8 /* Disassociated because sending station is
|
|
leaving (or has left) BSS */
|
|
#define DOT11_RC_NOT_AUTH 9 /* Station requesting (re)association is
|
|
not authenticated with responding station */
|
|
#define DOT11_RC_MAX 23 /* Reason codes > 23 are reserved */
|
|
|
|
/* Status Codes */
|
|
#define DOT11_STATUS_SUCCESS 0 /* Successful */
|
|
#define DOT11_STATUS_FAILURE 1 /* Unspecified failure */
|
|
#define DOT11_STATUS_CAP_MISMATCH 10 /* Cannot support all requested capabilities
|
|
in the Capability Information field */
|
|
#define DOT11_STATUS_REASSOC_FAIL 11 /* Reassociation denied due to inability to
|
|
confirm that association exists */
|
|
#define DOT11_STATUS_ASSOC_FAIL 12 /* Association denied due to reason outside
|
|
the scope of this standard */
|
|
#define DOT11_STATUS_AUTH_MISMATCH 13 /* Responding station does not support the
|
|
specified authentication algorithm */
|
|
#define DOT11_STATUS_AUTH_SEQ 14 /* Received an Authentication frame with
|
|
authentication transaction sequence number
|
|
out of expected sequence */
|
|
#define DOT11_STATUS_AUTH_CHALLENGE_FAIL 15 /* Authentication rejected because of challenge failure */
|
|
#define DOT11_STATUS_AUTH_TIMEOUT 16 /* Authentication rejected due to timeout waiting
|
|
for next frame in sequence */
|
|
#define DOT11_STATUS_ASSOC_BUSY_FAIL 17 /* Association denied because AP is unable to
|
|
handle additional associated stations */
|
|
#define DOT11_STATUS_ASSOC_RATE_MISMATCH 18 /* Association denied due to requesting station
|
|
not supporting all of the data rates in the
|
|
BSSBasicRateSet parameter */
|
|
#define DOT11_STATUS_ASSOC_SHORT_REQUIRED 19 /* Association denied due to requesting station
|
|
not supporting the Short Preamble option */
|
|
#define DOT11_STATUS_ASSOC_PBCC_REQUIRED 20 /* Association denied due to requesting station
|
|
not supporting the PBCC Modulation option */
|
|
#define DOT11_STATUS_ASSOC_AGILITY_REQUIRED 21 /* Association denied due to requesting station
|
|
not supporting the Channel Agility option */
|
|
#define DOT11_STATUS_ASSOC_SPECTRUM_REQUIRED 22 /* Association denied because Spectrum Management
|
|
capability is required. */
|
|
#define DOT11_STATUS_ASSOC_BAD_POWER_CAP 23 /* Association denied because the info in the
|
|
Power Cap element is unacceptable. */
|
|
#define DOT11_STATUS_ASSOC_BAD_SUP_CHANNELS 24 /* Association denied because the info in the
|
|
Supported Channel element is unacceptable */
|
|
#define DOT11_STATUS_ASSOC_SHORTSLOT_REQUIRED 25 /* Association denied due to requesting station
|
|
not supporting the Short Slot Time option */
|
|
#define DOT11_STATUS_ASSOC_ERPBCC_REQUIRED 26 /* Association denied due to requesting station
|
|
not supporting the ER-PBCC Modulation option */
|
|
#define DOT11_STATUS_ASSOC_DSSOFDM_REQUIRED 27 /* Association denied due to requesting station
|
|
not supporting the DSS-OFDM option */
|
|
|
|
/* Info Elts, length of INFORMATION portion of Info Elts */
|
|
#define DOT11_MNG_DS_PARAM_LEN 1
|
|
#define DOT11_MNG_IBSS_PARAM_LEN 2
|
|
|
|
/* TIM Info element has 3 bytes fixed info in INFORMATION field,
|
|
* followed by 1 to 251 bytes of Partial Virtual Bitmap */
|
|
#define DOT11_MNG_TIM_FIXED_LEN 3
|
|
#define DOT11_MNG_TIM_DTIM_COUNT 0
|
|
#define DOT11_MNG_TIM_DTIM_PERIOD 1
|
|
#define DOT11_MNG_TIM_BITMAP_CTL 2
|
|
#define DOT11_MNG_TIM_PVB 3
|
|
|
|
/* TLV defines */
|
|
#define TLV_TAG_OFF 0
|
|
#define TLV_LEN_OFF 1
|
|
#define TLV_HDR_LEN 2
|
|
#define TLV_BODY_OFF 2
|
|
|
|
/* Management Frame Information Element IDs */
|
|
#define DOT11_MNG_SSID_ID 0
|
|
#define DOT11_MNG_RATES_ID 1
|
|
#define DOT11_MNG_FH_PARMS_ID 2
|
|
#define DOT11_MNG_DS_PARMS_ID 3
|
|
#define DOT11_MNG_CF_PARMS_ID 4
|
|
#define DOT11_MNG_TIM_ID 5
|
|
#define DOT11_MNG_IBSS_PARMS_ID 6
|
|
#define DOT11_MNG_COUNTRY_ID 7
|
|
#define DOT11_MNG_HOPPING_PARMS_ID 8
|
|
#define DOT11_MNG_HOPPING_TABLE_ID 9
|
|
#define DOT11_MNG_REQUEST_ID 10
|
|
#define DOT11_MNG_CHALLENGE_ID 16
|
|
#define DOT11_MNG_PWR_CONSTRAINT_ID 32 /* 11H PowerConstraint */
|
|
#define DOT11_MNG_PWR_CAP_ID 33 /* 11H PowerCapability */
|
|
#define DOT11_MNG_TPC_REQUEST_ID 34 /* 11H TPC Request */
|
|
#define DOT11_MNG_TPC_REPORT_ID 35 /* 11H TPC Report */
|
|
#define DOT11_MNG_SUPP_CHANNELS_ID 36 /* 11H Supported Channels */
|
|
#define DOT11_MNG_CHANNEL_SWITCH_ID 37 /* 11H ChannelSwitch Announcement*/
|
|
#define DOT11_MNG_MEASURE_REQUEST_ID 38 /* 11H MeasurementRequest */
|
|
#define DOT11_MNG_MEASURE_REPORT_ID 39 /* 11H MeasurementReport */
|
|
#define DOT11_MNG_QUIET_ID 40 /* 11H Quiet */
|
|
#define DOT11_MNG_IBSS_DFS_ID 41 /* 11H IBSS_DFS */
|
|
#define DOT11_MNG_ERP_ID 42
|
|
#define DOT11_MNG_NONERP_ID 47
|
|
#define DOT11_MNG_EXT_RATES_ID 50
|
|
#define DOT11_MNG_WPA_ID 221
|
|
#define DOT11_MNG_PROPR_ID 221
|
|
|
|
/* ERP info element bit values */
|
|
#define DOT11_MNG_ERP_LEN 1 /* ERP is currently 1 byte long */
|
|
#define DOT11_MNG_NONERP_PRESENT 0x01 /* NonERP (802.11b) STAs are present in the BSS */
|
|
#define DOT11_MNG_USE_PROTECTION 0x02 /* Use protection mechanisms for ERP-OFDM frames */
|
|
#define DOT11_MNG_BARKER_PREAMBLE 0x04 /* Short Preambles: 0 == allowed, 1 == not allowed */
|
|
|
|
/* Capability Information Field */
|
|
#define DOT11_CAP_ESS 0x0001
|
|
#define DOT11_CAP_IBSS 0x0002
|
|
#define DOT11_CAP_POLLABLE 0x0004
|
|
#define DOT11_CAP_POLL_RQ 0x0008
|
|
#define DOT11_CAP_PRIVACY 0x0010
|
|
#define DOT11_CAP_SHORT 0x0020
|
|
#define DOT11_CAP_PBCC 0x0040
|
|
#define DOT11_CAP_AGILITY 0x0080
|
|
#define DOT11_CAP_SPECTRUM 0x0100
|
|
#define DOT11_CAP_SHORTSLOT 0x0400
|
|
#define DOT11_CAP_CCK_OFDM 0x2000
|
|
|
|
/* Action Frame Constants */
|
|
#define DOT11_ACTION_CAT_ERR_MASK 0x80
|
|
#define DOT11_ACTION_CAT_SPECT_MNG 0x00
|
|
#define DOT11_ACTION_NOTIFICATION 0x11 /* 17 */
|
|
|
|
#define DOT11_ACTION_ID_M_REQ 0
|
|
#define DOT11_ACTION_ID_M_REP 1
|
|
#define DOT11_ACTION_ID_TPC_REQ 2
|
|
#define DOT11_ACTION_ID_TPC_REP 3
|
|
#define DOT11_ACTION_ID_CHANNEL_SWITCH 4
|
|
|
|
/* MLME Enumerations */
|
|
#define DOT11_BSSTYPE_INFRASTRUCTURE 0
|
|
#define DOT11_BSSTYPE_INDEPENDENT 1
|
|
#define DOT11_BSSTYPE_ANY 2
|
|
#define DOT11_SCANTYPE_ACTIVE 0
|
|
#define DOT11_SCANTYPE_PASSIVE 1
|
|
|
|
/* 802.11 A PHY constants */
|
|
#define APHY_SLOT_TIME 9
|
|
#define APHY_SIFS_TIME 16
|
|
#define APHY_DIFS_TIME (APHY_SIFS_TIME + (2 * APHY_SLOT_TIME))
|
|
#define APHY_PREAMBLE_TIME 16
|
|
#define APHY_SIGNAL_TIME 4
|
|
#define APHY_SYMBOL_TIME 4
|
|
#define APHY_SERVICE_NBITS 16
|
|
#define APHY_TAIL_NBITS 6
|
|
#define APHY_CWMIN 15
|
|
|
|
/* 802.11 B PHY constants */
|
|
#define BPHY_SLOT_TIME 20
|
|
#define BPHY_SIFS_TIME 10
|
|
#define BPHY_DIFS_TIME 50
|
|
#define BPHY_PLCP_TIME 192
|
|
#define BPHY_PLCP_SHORT_TIME 96
|
|
#define BPHY_CWMIN 31
|
|
|
|
/* 802.11 G constants */
|
|
#define DOT11_OFDM_SIGNAL_EXTENSION 6
|
|
|
|
#define PHY_CWMAX 1023
|
|
|
|
#define DOT11_MAXNUMFRAGS 16 /* max # fragments per MSDU */
|
|
|
|
/* dot11Counters Table - 802.11 spec., Annex D */
|
|
typedef struct d11cnt {
|
|
uint32 txfrag; /* dot11TransmittedFragmentCount */
|
|
uint32 txmulti; /* dot11MulticastTransmittedFrameCount */
|
|
uint32 txfail; /* dot11FailedCount */
|
|
uint32 txretry; /* dot11RetryCount */
|
|
uint32 txretrie; /* dot11MultipleRetryCount */
|
|
uint32 rxdup; /* dot11FrameduplicateCount */
|
|
uint32 txrts; /* dot11RTSSuccessCount */
|
|
uint32 txnocts; /* dot11RTSFailureCount */
|
|
uint32 txnoack; /* dot11ACKFailureCount */
|
|
uint32 rxfrag; /* dot11ReceivedFragmentCount */
|
|
uint32 rxmulti; /* dot11MulticastReceivedFrameCount */
|
|
uint32 rxcrc; /* dot11FCSErrorCount */
|
|
uint32 txfrmsnt; /* dot11TransmittedFrameCount */
|
|
uint32 rxundec; /* dot11WEPUndecryptableCount */
|
|
} d11cnt_t;
|
|
|
|
/* BRCM OUI */
|
|
#define BRCM_OUI "\x00\x10\x18"
|
|
|
|
/* BRCM info element */
|
|
struct brcm_ie {
|
|
uchar id;
|
|
uchar len;
|
|
uchar oui[3];
|
|
uchar ver;
|
|
uchar assoc; /* # of assoc STAs */
|
|
uchar flags; /* misc flags */
|
|
} PACKED;
|
|
#define BRCM_IE_LEN 8
|
|
typedef struct brcm_ie brcm_ie_t;
|
|
#define BRCM_IE_VER 1
|
|
|
|
/* brcm_ie flags */
|
|
#define BRF_ABCAP 0x1 /* afterburner capable */
|
|
#define BRF_ABRQRD 0x2 /* afterburner requested */
|
|
|
|
/* WPA definitions */
|
|
#define WPA_VERSION 1
|
|
#define WPA_OUI "\x00\x50\xF2"
|
|
|
|
#define WPA_OUI_LEN 3
|
|
|
|
/* WPA authentication modes */
|
|
#define WPA_AUTH_NONE 0 /* None */
|
|
#define WPA_AUTH_UNSPECIFIED 1 /* Unspecified authentication over 802.1X: default for WPA */
|
|
#define WPA_AUTH_PSK 2 /* Pre-shared Key over 802.1X */
|
|
#define WPA_AUTH_DISABLED 255 /* Legacy (i.e., non-WPA) */
|
|
|
|
#define IS_WPA_AUTH(auth) ((auth) == WPA_AUTH_NONE || \
|
|
(auth) == WPA_AUTH_UNSPECIFIED || \
|
|
(auth) == WPA_AUTH_PSK)
|
|
|
|
|
|
/* Key related defines */
|
|
#define DOT11_MAX_DEFAULT_KEYS 4 /* number of default keys */
|
|
#define DOT11_MAX_KEY_SIZE 32 /* max size of any key */
|
|
#define DOT11_MAX_IV_SIZE 16 /* max size of any IV */
|
|
#define DOT11_EXT_IV_FLAG (1<<5) /* flag to indicate IV is > 4 bytes */
|
|
|
|
#define WEP1_KEY_SIZE 5 /* max size of any WEP key */
|
|
#define WEP1_KEY_HEX_SIZE 10 /* size of WEP key in hex. */
|
|
#define WEP128_KEY_SIZE 13 /* max size of any WEP key */
|
|
#define WEP128_KEY_HEX_SIZE 26 /* size of WEP key in hex. */
|
|
#define TKIP_MIC_SIZE 8 /* size of TKIP MIC */
|
|
#define TKIP_EOM_SIZE 7 /* max size of TKIP EOM */
|
|
#define TKIP_EOM_FLAG 0x5a /* TKIP EOM flag byte */
|
|
#define TKIP_KEY_SIZE 32 /* size of any TKIP key */
|
|
#define TKIP_MIC_AUTH_TX 16 /* offset to Authenticator MIC TX key */
|
|
#define TKIP_MIC_AUTH_RX 24 /* offset to Authenticator MIC RX key */
|
|
#define TKIP_MIC_SUP_RX 16 /* offset to Supplicant MIC RX key */
|
|
#define TKIP_MIC_SUP_TX 24 /* offset to Supplicant MIC TX key */
|
|
#define AES_KEY_SIZE 16 /* size of AES key */
|
|
|
|
#undef PACKED
|
|
#if !defined(__GNUC__)
|
|
#pragma pack()
|
|
#endif
|
|
|
|
#endif /* _802_11_H_ */
|