640 lines
18 KiB
C
640 lines
18 KiB
C
/*-
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* Copyright (c) 2001 Atsushi Onoe
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* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET80211_IEEE80211_H_
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#define _NET80211_IEEE80211_H_
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/*
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* 802.11 protocol definitions.
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*/
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#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
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/* is 802.11 address multicast/broadcast? */
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#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
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/* IEEE 802.11 PLCP header */
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struct ieee80211_plcp_hdr {
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u_int16_t i_sfd;
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u_int8_t i_signal;
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u_int8_t i_service;
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u_int16_t i_length;
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u_int16_t i_crc;
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} __packed;
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#define IEEE80211_PLCP_SFD 0xF3A0
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#define IEEE80211_PLCP_SERVICE 0x00
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/*
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* generic definitions for IEEE 802.11 frames
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*/
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struct ieee80211_frame {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN];
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u_int8_t i_addr2[IEEE80211_ADDR_LEN];
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u_int8_t i_addr3[IEEE80211_ADDR_LEN];
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u_int8_t i_seq[2];
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/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
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/* see below */
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} __packed;
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struct ieee80211_qosframe {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN];
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u_int8_t i_addr2[IEEE80211_ADDR_LEN];
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u_int8_t i_addr3[IEEE80211_ADDR_LEN];
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u_int8_t i_seq[2];
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u_int8_t i_qos[2];
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/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
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/* see below */
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} __packed;
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struct ieee80211_qoscntl {
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u_int8_t i_qos[2];
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};
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struct ieee80211_frame_addr4 {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN];
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u_int8_t i_addr2[IEEE80211_ADDR_LEN];
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u_int8_t i_addr3[IEEE80211_ADDR_LEN];
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u_int8_t i_seq[2];
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u_int8_t i_addr4[IEEE80211_ADDR_LEN];
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} __packed;
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struct ieee80211_qosframe_addr4 {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN];
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u_int8_t i_addr2[IEEE80211_ADDR_LEN];
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u_int8_t i_addr3[IEEE80211_ADDR_LEN];
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u_int8_t i_seq[2];
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u_int8_t i_addr4[IEEE80211_ADDR_LEN];
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u_int8_t i_qos[2];
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} __packed;
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#define IEEE80211_FC0_VERSION_MASK 0x03
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#define IEEE80211_FC0_VERSION_SHIFT 0
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#define IEEE80211_FC0_VERSION_0 0x00
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#define IEEE80211_FC0_TYPE_MASK 0x0c
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#define IEEE80211_FC0_TYPE_SHIFT 2
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#define IEEE80211_FC0_TYPE_MGT 0x00
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#define IEEE80211_FC0_TYPE_CTL 0x04
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#define IEEE80211_FC0_TYPE_DATA 0x08
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#define IEEE80211_FC0_SUBTYPE_MASK 0xf0
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#define IEEE80211_FC0_SUBTYPE_SHIFT 4
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/* for TYPE_MGT */
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#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
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#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
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#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
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#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
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#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
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#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
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#define IEEE80211_FC0_SUBTYPE_BEACON 0x80
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#define IEEE80211_FC0_SUBTYPE_ATIM 0x90
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#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
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#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
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#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
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/* for TYPE_CTL */
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#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
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#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
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#define IEEE80211_FC0_SUBTYPE_CTS 0xc0
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#define IEEE80211_FC0_SUBTYPE_ACK 0xd0
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#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
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#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
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/* for TYPE_DATA (bit combination) */
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#define IEEE80211_FC0_SUBTYPE_DATA 0x00
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#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
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#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
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#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
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#define IEEE80211_FC0_SUBTYPE_NODATA 0x40
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#define IEEE80211_FC0_SUBTYPE_CFACK 0x50
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#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
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#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
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#define IEEE80211_FC0_SUBTYPE_QOS 0x80
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#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
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#define IEEE80211_FC1_DIR_MASK 0x03
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#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
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#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
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#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
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#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
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#define IEEE80211_FC1_MORE_FRAG 0x04
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#define IEEE80211_FC1_RETRY 0x08
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#define IEEE80211_FC1_PWR_MGT 0x10
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#define IEEE80211_FC1_MORE_DATA 0x20
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#define IEEE80211_FC1_WEP 0x40
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#define IEEE80211_FC1_ORDER 0x80
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#define IEEE80211_SEQ_FRAG_MASK 0x000f
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#define IEEE80211_SEQ_FRAG_SHIFT 0
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#define IEEE80211_SEQ_SEQ_MASK 0xfff0
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#define IEEE80211_SEQ_SEQ_SHIFT 4
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#define IEEE80211_NWID_LEN 32
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#define IEEE80211_QOS_TXOP 0x00ff
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/* bit 8 is reserved */
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#define IEEE80211_QOS_ACKPOLICY 0x60
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#define IEEE80211_QOS_ACKPOLICY_S 5
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#define IEEE80211_QOS_ESOP 0x10
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#define IEEE80211_QOS_ESOP_S 4
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#define IEEE80211_QOS_TID 0x0f
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/* does frame have QoS sequence control data */
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#define IEEE80211_QOS_HAS_SEQ(wh) \
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(((wh)->i_fc[0] & \
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(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
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(IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
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/*
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* WME/802.11e information element.
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*/
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struct ieee80211_wme_info {
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u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
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u_int8_t wme_len; /* length in bytes */
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u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
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u_int8_t wme_type; /* OUI type */
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u_int8_t wme_subtype; /* OUI subtype */
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u_int8_t wme_version; /* spec revision */
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u_int8_t wme_info; /* QoS info */
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} __packed;
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/*
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* WME/802.11e Tspec Element
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*/
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struct ieee80211_wme_tspec {
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u_int8_t ts_id;
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u_int8_t ts_len;
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u_int8_t ts_oui[3];
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u_int8_t ts_oui_type;
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u_int8_t ts_oui_subtype;
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u_int8_t ts_version;
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u_int8_t ts_tsinfo[3];
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u_int8_t ts_nom_msdu[2];
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u_int8_t ts_max_msdu[2];
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u_int8_t ts_min_svc[4];
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u_int8_t ts_max_svc[4];
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u_int8_t ts_inactv_intv[4];
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u_int8_t ts_susp_intv[4];
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u_int8_t ts_start_svc[4];
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u_int8_t ts_min_rate[4];
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u_int8_t ts_mean_rate[4];
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u_int8_t ts_max_burst[4];
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u_int8_t ts_min_phy[4];
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u_int8_t ts_peak_rate[4];
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u_int8_t ts_delay[4];
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u_int8_t ts_surplus[2];
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u_int8_t ts_medium_time[2];
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} __packed;
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/*
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* WME AC parameter field
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*/
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struct ieee80211_wme_acparams {
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u_int8_t acp_aci_aifsn;
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u_int8_t acp_logcwminmax;
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u_int16_t acp_txop;
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} __packed;
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#define WME_NUM_AC 4 /* 4 AC categories */
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#define WME_PARAM_ACI 0x60 /* Mask for ACI field */
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#define WME_PARAM_ACI_S 5 /* Shift for ACI field */
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#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
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#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
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#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
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#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
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#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
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#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
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#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
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#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
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#define WME_AC_TO_TID(_ac) ( \
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((_ac) == WME_AC_VO) ? 6 : \
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((_ac) == WME_AC_VI) ? 5 : \
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((_ac) == WME_AC_BK) ? 1 : \
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0)
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#define TID_TO_WME_AC(_tid) ( \
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((_tid) < 1) ? WME_AC_BE : \
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((_tid) < 3) ? WME_AC_BK : \
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((_tid) < 6) ? WME_AC_VI : \
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WME_AC_VO)
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/*
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* WME Parameter Element
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*/
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struct ieee80211_wme_param {
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u_int8_t param_id;
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u_int8_t param_len;
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u_int8_t param_oui[3];
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u_int8_t param_oui_type;
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u_int8_t param_oui_sybtype;
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u_int8_t param_version;
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u_int8_t param_qosInfo;
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#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
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u_int8_t param_reserved;
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struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
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} __packed;
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/*
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* Management Notification Frame
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*/
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struct ieee80211_mnf {
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u_int8_t mnf_category;
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u_int8_t mnf_action;
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u_int8_t mnf_dialog;
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u_int8_t mnf_status;
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} __packed;
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#define MNF_SETUP_REQ 0
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#define MNF_SETUP_RESP 1
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#define MNF_TEARDOWN 2
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/*
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* Control frames.
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*/
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struct ieee80211_frame_min {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN];
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u_int8_t i_addr2[IEEE80211_ADDR_LEN];
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/* FCS */
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} __packed;
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struct ieee80211_frame_rts {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_ra[IEEE80211_ADDR_LEN];
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u_int8_t i_ta[IEEE80211_ADDR_LEN];
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/* FCS */
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} __packed;
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struct ieee80211_frame_cts {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_ra[IEEE80211_ADDR_LEN];
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/* FCS */
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} __packed;
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struct ieee80211_frame_ack {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_ra[IEEE80211_ADDR_LEN];
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/* FCS */
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} __packed;
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struct ieee80211_frame_pspoll {
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u_int8_t i_fc[2];
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u_int8_t i_aid[2];
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u_int8_t i_bssid[IEEE80211_ADDR_LEN];
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u_int8_t i_ta[IEEE80211_ADDR_LEN];
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/* FCS */
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} __packed;
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struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
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u_int8_t i_fc[2];
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u_int8_t i_dur[2]; /* should be zero */
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u_int8_t i_ra[IEEE80211_ADDR_LEN];
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u_int8_t i_bssid[IEEE80211_ADDR_LEN];
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/* FCS */
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} __packed;
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/*
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* BEACON management packets
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*
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* octet timestamp[8]
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* octet beacon interval[2]
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* octet capability information[2]
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* information element
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* octet elemid
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* octet length
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* octet information[length]
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*/
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typedef u_int8_t *ieee80211_mgt_beacon_t;
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#define IEEE80211_BEACON_INTERVAL(beacon) \
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((beacon)[8] | ((beacon)[9] << 8))
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#define IEEE80211_BEACON_CAPABILITY(beacon) \
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((beacon)[10] | ((beacon)[11] << 8))
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#define IEEE80211_CAPINFO_ESS 0x0001
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#define IEEE80211_CAPINFO_IBSS 0x0002
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#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
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#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
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#define IEEE80211_CAPINFO_PRIVACY 0x0010
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#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
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#define IEEE80211_CAPINFO_PBCC 0x0040
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#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
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/* bits 8-9 are reserved */
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#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
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#define IEEE80211_CAPINFO_RSN 0x0800
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/* bit 12 is reserved */
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#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
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/* bits 14-15 are reserved */
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/*
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* 802.11i/WPA information element (maximally sized).
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*/
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struct ieee80211_ie_wpa {
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u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
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u_int8_t wpa_len; /* length in bytes */
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u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
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u_int8_t wpa_type; /* OUI type */
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u_int16_t wpa_version; /* spec revision */
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u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */
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u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */
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u_int32_t wpa_uciphers[8];/* ciphers */
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u_int16_t wpa_authselcnt; /* authentication selector cnt*/
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u_int32_t wpa_authsels[8];/* selectors */
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u_int16_t wpa_caps; /* 802.11i capabilities */
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u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */
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u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */
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} __packed;
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/*
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* Management information element payloads.
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*/
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enum {
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IEEE80211_ELEMID_SSID = 0,
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IEEE80211_ELEMID_RATES = 1,
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IEEE80211_ELEMID_FHPARMS = 2,
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IEEE80211_ELEMID_DSPARMS = 3,
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IEEE80211_ELEMID_CFPARMS = 4,
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IEEE80211_ELEMID_TIM = 5,
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IEEE80211_ELEMID_IBSSPARMS = 6,
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IEEE80211_ELEMID_COUNTRY = 7,
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IEEE80211_ELEMID_CHALLENGE = 16,
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/* 17-31 reserved for challenge text extension */
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IEEE80211_ELEMID_ERP = 42,
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IEEE80211_ELEMID_RSN = 48,
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IEEE80211_ELEMID_XRATES = 50,
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IEEE80211_ELEMID_TPC = 150,
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IEEE80211_ELEMID_CCKM = 156,
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IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
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};
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struct ieee80211_tim_ie {
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u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */
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u_int8_t tim_len;
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u_int8_t tim_count; /* DTIM count */
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u_int8_t tim_period; /* DTIM period */
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u_int8_t tim_bitctl; /* bitmap control */
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u_int8_t tim_bitmap[1]; /* variable-length bitmap */
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} __packed;
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struct ieee80211_country_ie {
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u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */
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u_int8_t len;
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u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
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struct {
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u_int8_t schan; /* starting channel */
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u_int8_t nchan; /* number channels */
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u_int8_t maxtxpwr; /* tx power cap */
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} band[4] __packed; /* up to 4 sub bands */
|
|
} __packed;
|
|
|
|
#define IEEE80211_CHALLENGE_LEN 128
|
|
|
|
#define IEEE80211_RATE_BASIC 0x80
|
|
#define IEEE80211_RATE_VAL 0x7f
|
|
|
|
/* EPR information element flags */
|
|
#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
|
|
#define IEEE80211_ERP_USE_PROTECTION 0x02
|
|
#define IEEE80211_ERP_LONG_PREAMBLE 0x04
|
|
|
|
/* 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
|
|
|
|
#define ATH_OUI 0x7f0300 /* Atheros OUI */
|
|
#define ATH_OUI_TYPE 0x01
|
|
#define ATH_OUI_VERSION 0x01
|
|
|
|
#define WPA_OUI 0xf25000
|
|
#define WPA_OUI_TYPE 0x01
|
|
#define WPA_VERSION 1 /* current supported version */
|
|
|
|
#define WPA_CSE_NULL 0x00
|
|
#define WPA_CSE_WEP40 0x01
|
|
#define WPA_CSE_TKIP 0x02
|
|
#define WPA_CSE_CCMP 0x04
|
|
#define WPA_CSE_WEP104 0x05
|
|
|
|
#define WPA_ASE_NONE 0x00
|
|
#define WPA_ASE_8021X_UNSPEC 0x01
|
|
#define WPA_ASE_8021X_PSK 0x02
|
|
|
|
#define RSN_OUI 0xac0f00
|
|
#define RSN_VERSION 1 /* current supported version */
|
|
|
|
#define RSN_CSE_NULL 0x00
|
|
#define RSN_CSE_WEP40 0x01
|
|
#define RSN_CSE_TKIP 0x02
|
|
#define RSN_CSE_WRAP 0x03
|
|
#define RSN_CSE_CCMP 0x04
|
|
#define RSN_CSE_WEP104 0x05
|
|
|
|
#define RSN_ASE_NONE 0x00
|
|
#define RSN_ASE_8021X_UNSPEC 0x01
|
|
#define RSN_ASE_8021X_PSK 0x02
|
|
|
|
#define RSN_CAP_PREAUTH 0x01
|
|
|
|
#define WME_OUI 0xf25000
|
|
#define WME_OUI_TYPE 0x02
|
|
#define WME_INFO_OUI_SUBTYPE 0x00
|
|
#define WME_PARAM_OUI_SUBTYPE 0x01
|
|
#define WME_VERSION 1
|
|
|
|
/* WME stream classes */
|
|
#define WME_AC_BE 0 /* best effort */
|
|
#define WME_AC_BK 1 /* background */
|
|
#define WME_AC_VI 2 /* video */
|
|
#define WME_AC_VO 3 /* voice */
|
|
|
|
/*
|
|
* AUTH management packets
|
|
*
|
|
* octet algo[2]
|
|
* octet seq[2]
|
|
* octet status[2]
|
|
* octet chal.id
|
|
* octet chal.length
|
|
* octet chal.text[253]
|
|
*/
|
|
|
|
typedef u_int8_t *ieee80211_mgt_auth_t;
|
|
|
|
#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))
|
|
|
|
#define IEEE80211_AUTH_ALG_OPEN 0x0000
|
|
#define IEEE80211_AUTH_ALG_SHARED 0x0001
|
|
#define IEEE80211_AUTH_ALG_LEAP 0x0080
|
|
|
|
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
|
|
*
|
|
* Unlisted codes are reserved
|
|
*/
|
|
|
|
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,
|
|
|
|
IEEE80211_REASON_RSN_REQUIRED = 11,
|
|
IEEE80211_REASON_RSN_INCONSISTENT = 12,
|
|
IEEE80211_REASON_IE_INVALID = 13,
|
|
IEEE80211_REASON_MIC_FAILURE = 14,
|
|
|
|
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,
|
|
};
|
|
|
|
#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
|
|
#define IEEE80211_WEP_IVLEN 3 /* 24bit */
|
|
#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
|
|
#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
|
|
#define IEEE80211_WEP_NKID 4 /* number of key ids */
|
|
|
|
/*
|
|
* 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 */
|
|
|
|
#define IEEE80211_CRC_LEN 4
|
|
|
|
/*
|
|
* 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 128. This
|
|
* number may be overridden by the driver and/or by
|
|
* user configuration.
|
|
*/
|
|
#define IEEE80211_AID_MAX 2007
|
|
#define IEEE80211_AID_DEF 128
|
|
|
|
#define IEEE80211_AID(b) ((b) &~ 0xc000)
|
|
|
|
/*
|
|
* RTS frame length parameters. The default is specified in
|
|
* the 802.11 spec as 512; we treat it as implementation-dependent
|
|
* so it's defined in ieee80211_var.h. The max may be wrong
|
|
* for jumbo frames.
|
|
*/
|
|
#define IEEE80211_RTS_MIN 1
|
|
#define IEEE80211_RTS_MAX 2346
|
|
|
|
/*
|
|
* TX fragmentation parameters. As above for RTS, we treat
|
|
* default as implementation-dependent so define it elsewhere.
|
|
*/
|
|
#define IEEE80211_FRAG_MIN 256
|
|
#define IEEE80211_FRAG_MAX 2346
|
|
|
|
#endif /* _NET80211_IEEE80211_H_ */
|