OpenBSD-4.6/sys/net80211/ieee80211.h
/* $OpenBSD: ieee80211.h,v 1.49 2009/01/28 18:55:18 damien Exp $ */
/* $NetBSD: ieee80211.h,v 1.6 2004/04/30 23:51:53 dyoung Exp $ */
/*-
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _NET80211_IEEE80211_H_
#define _NET80211_IEEE80211_H_
/*
* 802.11 protocol definitions.
*/
#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
/* is 802.11 address multicast/broadcast? */
#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
/*
* Generic definitions for IEEE 802.11 frames.
*/
struct ieee80211_frame {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
} __packed;
struct ieee80211_qosframe {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_qos[2];
} __packed;
struct ieee80211_htframe { /* 11n */
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_qos[2];
u_int8_t i_ht[4];
} __packed;
struct ieee80211_frame_addr4 {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_addr4[IEEE80211_ADDR_LEN];
} __packed;
struct ieee80211_qosframe_addr4 {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_addr4[IEEE80211_ADDR_LEN];
u_int8_t i_qos[2];
} __packed;
struct ieee80211_htframe_addr4 { /* 11n */
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_addr4[IEEE80211_ADDR_LEN];
u_int8_t i_qos[2];
u_int8_t i_ht[4];
} __packed;
#define IEEE80211_FC0_VERSION_MASK 0x03
#define IEEE80211_FC0_VERSION_SHIFT 0
#define IEEE80211_FC0_VERSION_0 0x00
#define IEEE80211_FC0_TYPE_MASK 0x0c
#define IEEE80211_FC0_TYPE_SHIFT 2
#define IEEE80211_FC0_TYPE_MGT 0x00
#define IEEE80211_FC0_TYPE_CTL 0x04
#define IEEE80211_FC0_TYPE_DATA 0x08
#define IEEE80211_FC0_SUBTYPE_MASK 0xf0
#define IEEE80211_FC0_SUBTYPE_SHIFT 4
/* for TYPE_MGT */
#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
#define IEEE80211_FC0_SUBTYPE_BEACON 0x80
#define IEEE80211_FC0_SUBTYPE_ATIM 0x90
#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* 11n */
/* for TYPE_CTL */
#define IEEE80211_FC0_SUBTYPE_WRAPPER 0x70 /* 11n */
#define IEEE80211_FC0_SUBTYPE_BAR 0x80
#define IEEE80211_FC0_SUBTYPE_BA 0x90
#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
#define IEEE80211_FC0_SUBTYPE_CTS 0xc0
#define IEEE80211_FC0_SUBTYPE_ACK 0xd0
#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
/* for TYPE_DATA (bit combination) */
#define IEEE80211_FC0_SUBTYPE_DATA 0x00
#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
#define IEEE80211_FC0_SUBTYPE_NODATA 0x40
#define IEEE80211_FC0_SUBTYPE_CFACK 0x50
#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
#define IEEE80211_FC0_SUBTYPE_QOS 0x80
#define IEEE80211_FC1_DIR_MASK 0x03
#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
#define IEEE80211_FC1_MORE_FRAG 0x04
#define IEEE80211_FC1_RETRY 0x08
#define IEEE80211_FC1_PWR_MGT 0x10
#define IEEE80211_FC1_MORE_DATA 0x20
#define IEEE80211_FC1_PROTECTED 0x40
#define IEEE80211_FC1_WEP 0x40 /* pre-RSNA compat */
#define IEEE80211_FC1_ORDER 0x80
/*
* Sequence Control field (see 7.1.3.4).
*/
#define IEEE80211_SEQ_FRAG_MASK 0x000f
#define IEEE80211_SEQ_FRAG_SHIFT 0
#define IEEE80211_SEQ_SEQ_MASK 0xfff0
#define IEEE80211_SEQ_SEQ_SHIFT 4
#define IEEE80211_NWID_LEN 32
#define IEEE80211_MMIE_LEN 18 /* 11w */
/*
* QoS Control field (see 7.1.3.5).
*/
#define IEEE80211_QOS_TXOP 0xff00
#define IEEE80211_QOS_AMSDU 0x0080 /* 11n */
#define IEEE80211_QOS_ACK_POLICY_NORMAL 0x0000
#define IEEE80211_QOS_ACK_POLICY_NOACK 0x0020
#define IEEE80211_QOS_ACK_POLICY_NOEXPLACK 0x0040
#define IEEE80211_QOS_ACK_POLICY_BA 0x0060
#define IEEE80211_QOS_ACK_POLICY_MASK 0x0060
#define IEEE80211_QOS_ACK_POLICY_SHIFT 5
#define IEEE80211_QOS_EOSP 0x0010
#define IEEE80211_QOS_TID 0x000f
/*
* Control frames.
*/
struct ieee80211_frame_min {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_rts {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_ra[IEEE80211_ADDR_LEN];
u_int8_t i_ta[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_cts {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_ra[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_ack {
u_int8_t i_fc[2];
u_int8_t i_dur[2];
u_int8_t i_ra[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_pspoll {
u_int8_t i_fc[2];
u_int8_t i_aid[2];
u_int8_t i_bssid[IEEE80211_ADDR_LEN];
u_int8_t i_ta[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
u_int8_t i_fc[2];
u_int8_t i_dur[2]; /* should be zero */
u_int8_t i_ra[IEEE80211_ADDR_LEN];
u_int8_t i_bssid[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
#ifdef _KERNEL
static __inline int
ieee80211_has_seq(const struct ieee80211_frame *wh)
{
return (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) !=
IEEE80211_FC0_TYPE_CTL;
}
static __inline int
ieee80211_has_addr4(const struct ieee80211_frame *wh)
{
return (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) ==
IEEE80211_FC1_DIR_DSTODS;
}
static __inline int
ieee80211_has_qos(const struct ieee80211_frame *wh)
{
return (wh->i_fc[0] &
(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) ==
(IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS);
}
static __inline int
ieee80211_has_htc(const struct ieee80211_frame *wh)
{
return (wh->i_fc[1] & IEEE80211_FC1_ORDER) &&
(ieee80211_has_qos(wh) ||
(wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
IEEE80211_FC0_TYPE_MGT);
}
static __inline u_int16_t
ieee80211_get_qos(const struct ieee80211_frame *wh)
{
const u_int8_t *frm;
if (ieee80211_has_addr4(wh))
frm = ((const struct ieee80211_qosframe_addr4 *)wh)->i_qos;
else
frm = ((const struct ieee80211_qosframe *)wh)->i_qos;
return letoh16(*(const u_int16_t *)frm);
}
#endif /* _KERNEL */
/*
* Capability Information field (see 7.3.1.4).
*/
#define IEEE80211_CAPINFO_ESS 0x0001
#define IEEE80211_CAPINFO_IBSS 0x0002
#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
#define IEEE80211_CAPINFO_PRIVACY 0x0010
#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
#define IEEE80211_CAPINFO_PBCC 0x0040
#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
#define IEEE80211_CAPINFO_QOS 0x0200
#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
#define IEEE80211_CAPINFO_APSD 0x0800
/* bit 12 is reserved */
#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
#define IEEE80211_CAPINFO_DELAYED_B_ACK 0x4000
#define IEEE80211_CAPINFO_IMMEDIATE_B_ACK 0x8000
#define IEEE80211_CAPINFO_BITS \
"\10\01ESS\02IBSS\03CF_POLLABLE\04CF_POLLREQ" \
"\05PRIVACY\06SHORT_PREAMBLE\07PBCC\10CHNL_AGILITY" \
"\11SPECTRUM_MGMT\12QOS\13SHORT_SLOTTIME\14APSD" \
"\16DSSSOFDM\17DELAYED_B_ACK\20IMMEDIATE_B_ACK"
/*
* Information elements (see Table 7-26).
*/
enum {
IEEE80211_ELEMID_SSID = 0,
IEEE80211_ELEMID_RATES = 1,
IEEE80211_ELEMID_FHPARMS = 2,
IEEE80211_ELEMID_DSPARMS = 3,
IEEE80211_ELEMID_CFPARMS = 4,
IEEE80211_ELEMID_TIM = 5,
IEEE80211_ELEMID_IBSSPARMS = 6,
IEEE80211_ELEMID_COUNTRY = 7,
IEEE80211_ELEMID_QBSS_LOAD = 11,
IEEE80211_ELEMID_EDCAPARMS = 12,
IEEE80211_ELEMID_CHALLENGE = 16,
/* 17-31 reserved for challenge text extension */
IEEE80211_ELEMID_ERP = 42,
IEEE80211_ELEMID_HTCAPS = 45, /* 11n */
IEEE80211_ELEMID_QOS_CAP = 46,
IEEE80211_ELEMID_RSN = 48,
IEEE80211_ELEMID_XRATES = 50,
IEEE80211_ELEMID_TIE = 56, /* 11r */
IEEE80211_ELEMID_HTOP = 61, /* 11n */
IEEE80211_ELEMID_MMIE = 76, /* 11w */
IEEE80211_ELEMID_TPC = 150,
IEEE80211_ELEMID_CCKM = 156,
IEEE80211_ELEMID_VENDOR = 221 /* vendor private */
};
/*
* Action field category values (see Table 7-24).
*/
enum {
IEEE80211_CATEG_SPECTRUM = 0,
IEEE80211_CATEG_QOS = 1,
IEEE80211_CATEG_DLS = 2,
IEEE80211_CATEG_BA = 3,
IEEE80211_CATEG_HT = 7, /* 11n */
IEEE80211_CATEG_SA_QUERY = 8 /* 11w */
};
/*
* Block Ack Action field values (see Table 7-54).
*/
#define IEEE80211_ACTION_ADDBA_REQ 0
#define IEEE80211_ACTION_ADDBA_RESP 1
#define IEEE80211_ACTION_DELBA 2
/*
* SA Query Action field values (see Table 7-57l).
*/
#define IEEE80211_ACTION_SA_QUERY_REQ 0
#define IEEE80211_ACTION_SA_QUERY_RESP 1
/*
* HT Action field values (see Table 7-57m).
*/
#define IEEE80211_ACTION_NOTIFYCW 0
#define IEEE80211_RATE_BASIC 0x80
#define IEEE80211_RATE_VAL 0x7f
#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */
/*
* BlockAck/BlockAckReq Control field (see Figure 7-13).
*/
#define IEEE80211_BA_ACK_POLICY 0x0001
#define IEEE80211_BA_MULTI_TID 0x0002
#define IEEE80211_BA_COMPRESSED 0x0004
#define IEEE80211_BA_TID_INFO_MASK 0xf000
#define IEEE80211_BA_TID_INFO_SHIFT 12
/*
* DELBA Parameter Set field (see Figure 7-34).
*/
#define IEEE80211_DELBA_INITIATOR 0x0800
/*
* ERP information element (see 7.3.2.13).
*/
#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
#define IEEE80211_ERP_USE_PROTECTION 0x02
#define IEEE80211_ERP_BARKER_MODE 0x04
/*
* RSN capabilities (see 7.3.2.25.3).
*/
#define IEEE80211_RSNCAP_PREAUTH 0x0001
#define IEEE80211_RSNCAP_NOPAIRWISE 0x0002
#define IEEE80211_RSNCAP_PTKSA_RCNT_MASK 0x000c
#define IEEE80211_RSNCAP_PTKSA_RCNT_SHIFT 2
#define IEEE80211_RSNCAP_GTKSA_RCNT_MASK 0x0030
#define IEEE80211_RSNCAP_GTKSA_RCNT_SHIFT 4
#define IEEE80211_RSNCAP_RCNT1 0
#define IEEE80211_RSNCAP_RCNT2 1
#define IEEE80211_RSNCAP_RCNT4 2
#define IEEE80211_RSNCAP_RCNT16 3
#define IEEE80211_RSNCAP_MFPR 0x0040 /* 11w */
#define IEEE80211_RSNCAP_MFPC 0x0080 /* 11w */
#define IEEE80211_RSNCAP_PEERKEYENA 0x0200
#define IEEE80211_RSNCAP_SPPAMSDUC 0x0400 /* 11n */
#define IEEE80211_RSNCAP_SPPAMSDUR 0x0800 /* 11n */
#define IEEE80211_RSNCAP_PBAC 0x1000 /* 11n */
/*
* HT Capabilities Info (see 7.3.2.57.2).
*/
#define IEEE80211_HTCAP_LDPC 0x00000001
#define IEEE80211_HTCAP_CBW20_40 0x00000002
#define IEEE80211_HTCAP_SMPS_MASK 0x0000000c
#define IEEE80211_HTCAP_SMPS_SHIFT 2
#define IEEE80211_HTCAP_SMPS_STA 0
#define IEEE80211_HTCAP_SMPS_DYN 1
#define IEEE80211_HTCAP_SMPS_DIS 3
#define IEEE80211_HTCAP_GF 0x00000010
#define IEEE80211_HTCAP_SGI20 0x00000020
#define IEEE80211_HTCAP_SGI40 0x00000040
#define IEEE80211_HTCAP_TXSTBC 0x00000080
#define IEEE80211_HTCAP_RXSTBC_MASK 0x00000300
#define IEEE80211_HTCAP_RXSTBC_SHIFT 8
#define IEEE80211_HTCAP_DELAYEDBA 0x00000400
#define IEEE80211_HTCAP_AMSDU7935 0x00000800
#define IEEE80211_HTCAP_DSSSCCK40 0x00001000
#define IEEE80211_HTCAP_PSMP 0x00002000
#define IEEE80211_HTCAP_40INTOLERANT 0x00004000
#define IEEE80211_HTCAP_LSIGTXOPPROT 0x00008000
/*
* HT Extended Capabilities (see 7.3.2.57.5).
*/
#define IEEE80211_HTXCAP_PCO 0x0001
#define IEEE80211_HTXCAP_PCOTT_MASK 0x0006
#define IEEE80211_HTXCAP_PCOTT_SHIFT 1
#define IEEE80211_HTXCAP_PCOTT_400 1
#define IEEE80211_HTXCAP_PCOTT_1500 2
#define IEEE80211_HTXCAP_PCOTT_5000 3
/* Bits 3-7 are reserved. */
#define IEEE80211_HTXCAP_MFB_MASK 0x0300
#define IEEE80211_HTXCAP_MFB_SHIFT 8
#define IEEE80211_HTXCAP_MFB_NONE 0
#define IEEE80211_HTXCAP_MFB_UNSOL 2
#define IEEE80211_HTXCAP_MFB_BOTH 3
#define IEEE80211_HTXCAP_HTC 0x0400
#define IEEE80211_HTXCAP_RDRESP 0x0800
/* Bits 12-15 are reserved. */
/*
* Transmit Beamforming (TxBF) Capabilities (see 7.3.2.57.6).
*/
#define IEEE80211_TXBFCAP_IMPLICIT_RX 0x00000001
#define IEEE80211_TXBFCAP_RSSC 0x00000002
#define IEEE80211_TXBFCAP_TSSC 0x00000004
#define IEEE80211_TXBFCAP_RNDP 0x00000008
#define IEEE80211_TXBFCAP_TNDP 0x00000010
#define IEEE80211_TXBFCAP_IMPLICIT_TX 0x00000020
#define IEEE80211_TXBFCAP_CALIB_MASK 0x000000c0
#define IEEE80211_TXBFCAP_CALIB_SHIFT 6
#define IEEE80211_TXBFCAP_TX_CSI 0x00000100
/*
* Antenna Selection (ASEL) Capability (see 7.3.2.57.7).
*/
#define IEEE80211_ASELCAP_ASEL 0x01
#define IEEE80211_ASELCAP_CSIFB 0x02
/* Bit 7 is reserved. */
/*
* HT Operation element (see 7.3.2.58).
*/
/* Byte 1. */
#define IEEE80211_HTOP0_SCO_MASK 0x03
#define IEEE80211_HTOP0_SCO_SHIFT 0
#define IEEE80211_HTOP0_SCO_SCN 0
#define IEEE80211_HTOP0_SCO_SCA 1
#define IEEE80211_HTOP0_SCO_SCB 3
#define IEEE80211_HTOP0_CHW 0x04
#define IEEE80211_HTOP0_RIFS 0x08
#define IEEE80211_HTOP0_SPSMP 0x10
#define IEEE80211_HTOP0_SIG_MASK 0xe0
#define IEEE80211_HTOP0_SIG_SHIFT 5
/* Bytes 2-3. */
#define IEEE80211_HTOP1_PROT_MASK 0x0003
#define IEEE80211_HTOP1_PROT_SHIFT 0
#define IEEE80211_HTOP1_NONGTSTA 0x0004
/* Bit 3 is reserved. */
#define IEEE80211_HTOP1_OBSS_NONHTSTA 0x0010
/* Bits 5-15 are reserved. */
/* Bytes 4-5. */
/* Bits 0-5 are reserved. */
#define IEEE80211_HTOP2_DUALBEACON 0x0040
#define IEEE80211_HTOP2_DUALCTSPROT 0x0080
#define IEEE80211_HTOP2_STBCBEACON 0x0100
#define IEEE80211_HTOP2_LSIGTXOP 0x0200
#define IEEE80211_HTOP2_PCOACTIVE 0x0400
#define IEEE80211_HTOP2_PCOPHASE40 0x0800
/* Bits 12-15 are reserved. */
/*
* EDCA Access Categories.
*/
enum ieee80211_edca_ac {
EDCA_AC_BK = 1, /* Background */
EDCA_AC_BE = 0, /* Best Effort */
EDCA_AC_VI = 2, /* Video */
EDCA_AC_VO = 3 /* Voice */
};
#define EDCA_NUM_AC 4
/* number of TID values (traffic identifier) */
#define IEEE80211_NUM_TID 16
/* Atheros private advanced capabilities info */
#define ATHEROS_CAP_TURBO_PRIME 0x01
#define ATHEROS_CAP_COMPRESSION 0x02
#define ATHEROS_CAP_FAST_FRAME 0x04
/* bits 3-6 reserved */
#define ATHEROS_CAP_BOOST 0x80
/*-
* Organizationally Unique Identifiers.
* See http://standards.ieee.org/regauth/oui/oui.txt for a list.
*/
#define ATHEROS_OUI ((const u_int8_t[]){ 0x00, 0x03, 0x7f })
#define BROADCOM_OUI ((const u_int8_t[]){ 0x00, 0x90, 0x4c })
#define IEEE80211_OUI ((const u_int8_t[]){ 0x00, 0x0f, 0xac })
#define MICROSOFT_OUI ((const u_int8_t[]){ 0x00, 0x50, 0xf2 })
#define IEEE80211_AUTH_ALGORITHM(auth) \
((auth)[0] | ((auth)[1] << 8))
#define IEEE80211_AUTH_TRANSACTION(auth) \
((auth)[2] | ((auth)[3] << 8))
#define IEEE80211_AUTH_STATUS(auth) \
((auth)[4] | ((auth)[5] << 8))
/*
* Authentication Algorithm Number field (see 7.3.1.1).
*/
#define IEEE80211_AUTH_ALG_OPEN 0x0000
#define IEEE80211_AUTH_ALG_SHARED 0x0001
#define IEEE80211_AUTH_ALG_LEAP 0x0080
/*
* Authentication Transaction Sequence Number field (see 7.3.1.2).
*/
enum {
IEEE80211_AUTH_OPEN_REQUEST = 1,
IEEE80211_AUTH_OPEN_RESPONSE = 2
};
enum {
IEEE80211_AUTH_SHARED_REQUEST = 1,
IEEE80211_AUTH_SHARED_CHALLENGE = 2,
IEEE80211_AUTH_SHARED_RESPONSE = 3,
IEEE80211_AUTH_SHARED_PASS = 4
};
/*
* Reason codes (see Table 22).
*/
enum {
IEEE80211_REASON_UNSPECIFIED = 1,
IEEE80211_REASON_AUTH_EXPIRE = 2,
IEEE80211_REASON_AUTH_LEAVE = 3,
IEEE80211_REASON_ASSOC_EXPIRE = 4,
IEEE80211_REASON_ASSOC_TOOMANY = 5,
IEEE80211_REASON_NOT_AUTHED = 6,
IEEE80211_REASON_NOT_ASSOCED = 7,
IEEE80211_REASON_ASSOC_LEAVE = 8,
IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
/* XXX the following two reason codes are not correct */
IEEE80211_REASON_RSN_REQUIRED = 11,
IEEE80211_REASON_RSN_INCONSISTENT = 12,
IEEE80211_REASON_IE_INVALID = 13,
IEEE80211_REASON_MIC_FAILURE = 14,
IEEE80211_REASON_4WAY_TIMEOUT = 15,
IEEE80211_REASON_GROUP_TIMEOUT = 16,
IEEE80211_REASON_RSN_DIFFERENT_IE = 17,
IEEE80211_REASON_BAD_GROUP_CIPHER = 18,
IEEE80211_REASON_BAD_PAIRWISE_CIPHER = 19,
IEEE80211_REASON_BAD_AKMP = 20,
IEEE80211_REASON_RSN_IE_VER_UNSUP = 21,
IEEE80211_REASON_RSN_IE_BAD_CAP = 22,
IEEE80211_REASON_CIPHER_REJ_POLICY = 24,
IEEE80211_REASON_SETUP_REQUIRED = 38,
IEEE80211_REASON_TIMEOUT = 39
};
/*
* Status codes (see Table 23).
*/
enum {
IEEE80211_STATUS_SUCCESS = 0,
IEEE80211_STATUS_UNSPECIFIED = 1,
IEEE80211_STATUS_CAPINFO = 10,
IEEE80211_STATUS_NOT_ASSOCED = 11,
IEEE80211_STATUS_OTHER = 12,
IEEE80211_STATUS_ALG = 13,
IEEE80211_STATUS_SEQUENCE = 14,
IEEE80211_STATUS_CHALLENGE = 15,
IEEE80211_STATUS_TIMEOUT = 16,
IEEE80211_STATUS_TOOMANY = 17,
IEEE80211_STATUS_BASIC_RATE = 18,
IEEE80211_STATUS_SP_REQUIRED = 19,
IEEE80211_STATUS_PBCC_REQUIRED = 20,
IEEE80211_STATUS_CA_REQUIRED = 21,
IEEE80211_STATUS_TOO_MANY_STATIONS = 22,
IEEE80211_STATUS_RATES = 23,
IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25,
IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26,
IEEE80211_STATUS_TRY_AGAIN_LATER = 30,
IEEE80211_STATUS_MFP_POLICY = 31,
IEEE80211_STATUS_REFUSED = 37,
IEEE80211_STATUS_INVALID_PARAM = 38,
IEEE80211_STATUS_IE_INVALID = 40,
IEEE80211_STATUS_BAD_GROUP_CIPHER = 41,
IEEE80211_STATUS_BAD_PAIRWISE_CIPHER = 42,
IEEE80211_STATUS_BAD_AKMP = 43,
IEEE80211_STATUS_RSN_IE_VER_UNSUP = 44,
IEEE80211_STATUS_CIPHER_REJ_POLICY = 46,
};
#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
#define IEEE80211_WEP_NKID 4 /* number of key ids */
#define IEEE80211_CHALLENGE_LEN 128
/* WEP header constants */
#define IEEE80211_WEP_IVLEN 3 /* 24bit */
#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
#define IEEE80211_CRC_LEN 4
#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
IEEE80211_WEP_KIDLEN + \
IEEE80211_WEP_CRCLEN)
/*
* 802.11i defines an extended IV for use with non-WEP ciphers.
* When the EXTIV bit is set in the key id byte an additional
* 4 bytes immediately follow the IV for TKIP. For CCMP the
* EXTIV bit is likewise set but the 8 bytes represent the
* CCMP header rather than IV+extended-IV.
*/
#define IEEE80211_WEP_EXTIV 0x20
#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
/*
* Maximum acceptable MTU is:
* IEEE80211_MAX_LEN - WEP overhead - CRC -
* QoS overhead - RSN/WPA overhead
* Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
* mtu is Ethernet-compatible; it's set by ether_ifattach.
*/
#define IEEE80211_MTU_MAX 2290
#define IEEE80211_MTU_MIN 32
#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
(IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
#define IEEE80211_ACK_LEN \
(sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
#define IEEE80211_MIN_LEN \
(sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
/*
* The 802.11 spec says at most 2007 stations may be
* associated at once. For most AP's this is way more
* than is feasible so we use a default of 1800. This
* number may be overridden by the driver and/or by
* user configuration.
*/
#define IEEE80211_AID_MAX 2007
#define IEEE80211_AID_DEF 1800
#define IEEE80211_AID(b) ((b) &~ 0xc000)
/*
* RTS frame length parameters. The default is specified in
* the 802.11 spec. The max may be wrong for jumbo frames.
*/
#define IEEE80211_RTS_DEFAULT 512
#define IEEE80211_RTS_MIN 1
#define IEEE80211_RTS_MAX IEEE80211_MAX_LEN
#define IEEE80211_PLCP_SERVICE 0x00
#define IEEE80211_PLCP_SERVICE_PBCC 0x08 /* PBCC encoded */
#define IEEE80211_PLCP_SERVICE_LENEXT 0x80 /* length extension bit */
/* One Time Unit (TU) is 1Kus = 1024 microseconds. */
#define IEEE80211_DUR_TU 1024
/* IEEE 802.11b durations for DSSS PHY in microseconds */
#define IEEE80211_DUR_DS_LONG_PREAMBLE 144
#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
#define IEEE80211_DUR_DS_PREAMBLE_DIFFERENCE \
(IEEE80211_DUR_DS_LONG_PREAMBLE - IEEE80211_DUR_DS_SHORT_PREAMBLE)
#define IEEE80211_DUR_DS_FAST_PLCPHDR 24
#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
#define IEEE80211_DUR_DS_PLCPHDR_DIFFERENCE \
(IEEE80211_DUR_DS_SLOW_PLCPHDR - IEEE80211_DUR_DS_FAST_PLCPHDR)
#define IEEE80211_DUR_DS_SLOW_ACK 112
#define IEEE80211_DUR_DS_FAST_ACK 56
#define IEEE80211_DUR_DS_SLOW_CTS 112
#define IEEE80211_DUR_DS_FAST_CTS 56
#define IEEE80211_DUR_DS_SLOT 20
#define IEEE80211_DUR_DS_SIFS 10
#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
2 * IEEE80211_DUR_DS_SLOT)
#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
IEEE80211_DUR_DS_SLOW_ACK + \
IEEE80211_DUR_DS_LONG_PREAMBLE + \
IEEE80211_DUR_DS_SLOW_PLCPHDR + \
IEEE80211_DUR_DIFS)
/*
* The RSNA key descriptor used by IEEE 802.11 does not use the IEEE 802.1X
* key descriptor. Instead, it uses the key descriptor described in 8.5.2.
*/
#define EAPOL_KEY_NONCE_LEN 32
#define EAPOL_KEY_IV_LEN 16
#define EAPOL_KEY_MIC_LEN 16
struct ieee80211_eapol_key {
u_int8_t version;
#define EAPOL_VERSION 1
u_int8_t type;
/* IEEE Std 802.1X-2004, 7.5.4 (only type EAPOL-Key is used here) */
#define EAP_PACKET 0
#define EAPOL_START 1
#define EAPOL_LOGOFF 2
#define EAPOL_KEY 3
#define EAPOL_ASF_ALERT 4
u_int8_t len[2];
u_int8_t desc;
/* IEEE Std 802.1X-2004, 7.6.1 */
#define EAPOL_KEY_DESC_RC4 1 /* deprecated */
#define EAPOL_KEY_DESC_IEEE80211 2
#define EAPOL_KEY_DESC_WPA 254 /* non-standard WPA */
u_int8_t info[2];
#define EAPOL_KEY_VERSION_MASK 0x7
#define EAPOL_KEY_DESC_V1 1
#define EAPOL_KEY_DESC_V2 2
#define EAPOL_KEY_DESC_V3 3 /* 11r */
#define EAPOL_KEY_PAIRWISE (1 << 3)
#define EAPOL_KEY_INSTALL (1 << 6) /* I */
#define EAPOL_KEY_KEYACK (1 << 7) /* A */
#define EAPOL_KEY_KEYMIC (1 << 8) /* M */
#define EAPOL_KEY_SECURE (1 << 9) /* S */
#define EAPOL_KEY_ERROR (1 << 10)
#define EAPOL_KEY_REQUEST (1 << 11)
#define EAPOL_KEY_ENCRYPTED (1 << 12)
#define EAPOL_KEY_SMK (1 << 13)
/* WPA compatibility */
#define EAPOL_KEY_WPA_KID_MASK 0x3
#define EAPOL_KEY_WPA_KID_SHIFT 4
#define EAPOL_KEY_WPA_TX EAPOL_KEY_INSTALL
u_int8_t keylen[2];
u_int8_t replaycnt[8];
u_int8_t nonce[EAPOL_KEY_NONCE_LEN];
u_int8_t iv[EAPOL_KEY_IV_LEN];
u_int8_t rsc[8];
u_int8_t reserved[8];
u_int8_t mic[EAPOL_KEY_MIC_LEN];
u_int8_t paylen[2];
} __packed;
/* Pairwise Transient Key (see 8.5.1.2) */
struct ieee80211_ptk {
u_int8_t kck[16]; /* Key Confirmation Key */
u_int8_t kek[16]; /* Key Encryption Key */
u_int8_t tk[32]; /* Temporal Key */
} __packed;
#define IEEE80211_PMKID_LEN 16
#define IEEE80211_SMKID_LEN 16
/*
* Key Data Encapsulation (see Table 62).
*/
enum {
IEEE80211_KDE_GTK = 1,
IEEE80211_KDE_MACADDR = 3,
IEEE80211_KDE_PMKID = 4,
IEEE80211_KDE_SMK = 5,
IEEE80211_KDE_NONCE = 6,
IEEE80211_KDE_LIFETIME = 7,
IEEE80211_KDE_ERROR = 8,
IEEE80211_KDE_IGTK = 9 /* 11w */
};
#endif /* _NET80211_IEEE80211_H_ */