1103 lines
36 KiB
C
1103 lines
36 KiB
C
/*-
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* Copyright (c) 2001 Atsushi Onoe
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* Copyright (c) 2002-2009 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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*
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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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uint16_t i_sfd;
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uint8_t i_signal;
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uint8_t i_service;
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uint16_t i_length;
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uint16_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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#define IEEE80211_PLCP_SERVICE_LOCKED 0x04
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#define IEEE80211_PLCL_SERVICE_PBCC 0x08
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#define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
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#define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
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#define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
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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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uint8_t i_fc[2];
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uint8_t i_dur[2];
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uint8_t i_addr1[IEEE80211_ADDR_LEN];
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uint8_t i_addr2[IEEE80211_ADDR_LEN];
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uint8_t i_addr3[IEEE80211_ADDR_LEN];
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uint8_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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uint8_t i_fc[2];
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uint8_t i_dur[2];
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uint8_t i_addr1[IEEE80211_ADDR_LEN];
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uint8_t i_addr2[IEEE80211_ADDR_LEN];
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uint8_t i_addr3[IEEE80211_ADDR_LEN];
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uint8_t i_seq[2];
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uint8_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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uint8_t i_qos[2];
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};
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struct ieee80211_frame_addr4 {
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uint8_t i_fc[2];
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uint8_t i_dur[2];
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uint8_t i_addr1[IEEE80211_ADDR_LEN];
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uint8_t i_addr2[IEEE80211_ADDR_LEN];
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uint8_t i_addr3[IEEE80211_ADDR_LEN];
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uint8_t i_seq[2];
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uint8_t i_addr4[IEEE80211_ADDR_LEN];
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} __packed;
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struct ieee80211_qosframe_addr4 {
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uint8_t i_fc[2];
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uint8_t i_dur[2];
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uint8_t i_addr1[IEEE80211_ADDR_LEN];
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uint8_t i_addr2[IEEE80211_ADDR_LEN];
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uint8_t i_addr3[IEEE80211_ADDR_LEN];
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uint8_t i_seq[2];
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uint8_t i_addr4[IEEE80211_ADDR_LEN];
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uint8_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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#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
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/* for TYPE_CTL */
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#define IEEE80211_FC0_SUBTYPE_BAR 0x80
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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_SEQ_RANGE 4096
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#define IEEE80211_SEQ_ADD(seq, incr) \
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(((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
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#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
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#define IEEE80211_SEQ_SUB(a, b) \
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(((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
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#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
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#define IEEE80211_SEQ_BA_BEFORE(a, b) \
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(IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
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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_AMSDU 0x80
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#define IEEE80211_QOS_AMSDU_S 7
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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_ACKPOLICY_NOACK 0x20 /* No ACK required */
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#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
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#define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
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#define IEEE80211_QOS_EOSP_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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uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
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uint8_t wme_len; /* length in bytes */
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uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
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uint8_t wme_type; /* OUI type */
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uint8_t wme_subtype; /* OUI subtype */
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uint8_t wme_version; /* spec revision */
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uint8_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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uint8_t ts_id;
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uint8_t ts_len;
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uint8_t ts_oui[3];
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uint8_t ts_oui_type;
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uint8_t ts_oui_subtype;
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uint8_t ts_version;
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uint8_t ts_tsinfo[3];
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uint8_t ts_nom_msdu[2];
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uint8_t ts_max_msdu[2];
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uint8_t ts_min_svc[4];
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uint8_t ts_max_svc[4];
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uint8_t ts_inactv_intv[4];
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uint8_t ts_susp_intv[4];
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uint8_t ts_start_svc[4];
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uint8_t ts_min_rate[4];
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uint8_t ts_mean_rate[4];
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uint8_t ts_max_burst[4];
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uint8_t ts_min_phy[4];
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uint8_t ts_peak_rate[4];
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uint8_t ts_delay[4];
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uint8_t ts_surplus[2];
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uint8_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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uint8_t acp_aci_aifsn;
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uint8_t acp_logcwminmax;
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uint16_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_NUM_TID 16 /* 16 tids */
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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) == 0 || (_tid) == 3) ? 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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uint8_t param_id;
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uint8_t param_len;
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uint8_t param_oui[3];
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uint8_t param_oui_type;
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uint8_t param_oui_subtype;
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uint8_t param_version;
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uint8_t param_qosInfo;
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#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
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uint8_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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uint8_t mnf_category;
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uint8_t mnf_action;
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uint8_t mnf_dialog;
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uint8_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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* 802.11n Management Action Frames
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*/
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/* generic frame format */
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struct ieee80211_action {
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uint8_t ia_category;
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uint8_t ia_action;
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} __packed;
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#define IEEE80211_ACTION_CAT_QOS 0 /* QoS */
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#define IEEE80211_ACTION_CAT_BA 3 /* BA */
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#define IEEE80211_ACTION_CAT_HT 7 /* HT */
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#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
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#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
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/* HT - recommended transmission channel width */
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struct ieee80211_action_ht_txchwidth {
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struct ieee80211_action at_header;
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uint8_t at_chwidth;
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} __packed;
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#define IEEE80211_A_HT_TXCHWIDTH_20 0
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#define IEEE80211_A_HT_TXCHWIDTH_2040 1
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/* HT - MIMO Power Save (NB: D2.04) */
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struct ieee80211_action_ht_mimopowersave {
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struct ieee80211_action am_header;
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uint8_t am_control;
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} __packed;
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#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
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#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
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#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
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#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
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#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
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/* bits 2-7 reserved */
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/* Block Ack actions */
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#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
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#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
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#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
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/* Block Ack Parameter Set */
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#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
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#define IEEE80211_BAPS_BUFSIZ_S 6
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#define IEEE80211_BAPS_TID 0x003c /* TID */
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#define IEEE80211_BAPS_TID_S 2
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#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
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#define IEEE80211_BAPS_POLICY_S 1
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#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
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#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
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/* Block Ack Sequence Control */
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#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
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#define IEEE80211_BASEQ_START_S 4
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#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
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#define IEEE80211_BASEQ_FRAG_S 0
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/* Delayed Block Ack Parameter Set */
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#define IEEE80211_DELBAPS_TID 0xf000 /* TID */
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#define IEEE80211_DELBAPS_TID_S 12
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#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
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#define IEEE80211_DELBAPS_INIT_S 11
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/* BA - ADDBA request */
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struct ieee80211_action_ba_addbarequest {
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struct ieee80211_action rq_header;
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uint8_t rq_dialogtoken;
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uint16_t rq_baparamset;
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uint16_t rq_batimeout; /* in TUs */
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uint16_t rq_baseqctl;
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} __packed;
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/* BA - ADDBA response */
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struct ieee80211_action_ba_addbaresponse {
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struct ieee80211_action rs_header;
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uint8_t rs_dialogtoken;
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uint16_t rs_statuscode;
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uint16_t rs_baparamset;
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uint16_t rs_batimeout; /* in TUs */
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} __packed;
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/* BA - DELBA */
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struct ieee80211_action_ba_delba {
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struct ieee80211_action dl_header;
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uint16_t dl_baparamset;
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uint16_t dl_reasoncode;
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} __packed;
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/* BAR Control */
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#define IEEE80211_BAR_TID 0xf000 /* TID */
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#define IEEE80211_BAR_TID_S 12
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#define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
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#define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
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#define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
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/* BAR Starting Sequence Control */
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#define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
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#define IEEE80211_BAR_SEQ_START_S 4
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struct ieee80211_ba_request {
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uint16_t rq_barctl;
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uint16_t rq_barseqctl;
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} __packed;
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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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uint8_t i_fc[2];
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uint8_t i_dur[2];
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uint8_t i_addr1[IEEE80211_ADDR_LEN];
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uint8_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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uint8_t i_fc[2];
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uint8_t i_dur[2];
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uint8_t i_ra[IEEE80211_ADDR_LEN];
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uint8_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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uint8_t i_fc[2];
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uint8_t i_dur[2];
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uint8_t i_ra[IEEE80211_ADDR_LEN];
|
|
/* FCS */
|
|
} __packed;
|
|
|
|
struct ieee80211_frame_ack {
|
|
uint8_t i_fc[2];
|
|
uint8_t i_dur[2];
|
|
uint8_t i_ra[IEEE80211_ADDR_LEN];
|
|
/* FCS */
|
|
} __packed;
|
|
|
|
struct ieee80211_frame_pspoll {
|
|
uint8_t i_fc[2];
|
|
uint8_t i_aid[2];
|
|
uint8_t i_bssid[IEEE80211_ADDR_LEN];
|
|
uint8_t i_ta[IEEE80211_ADDR_LEN];
|
|
/* FCS */
|
|
} __packed;
|
|
|
|
struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
|
|
uint8_t i_fc[2];
|
|
uint8_t i_dur[2]; /* should be zero */
|
|
uint8_t i_ra[IEEE80211_ADDR_LEN];
|
|
uint8_t i_bssid[IEEE80211_ADDR_LEN];
|
|
/* FCS */
|
|
} __packed;
|
|
|
|
struct ieee80211_frame_bar {
|
|
uint8_t i_fc[2];
|
|
uint8_t i_dur[2];
|
|
uint8_t i_ra[IEEE80211_ADDR_LEN];
|
|
uint8_t i_ta[IEEE80211_ADDR_LEN];
|
|
uint16_t i_ctl;
|
|
uint16_t i_seq;
|
|
/* FCS */
|
|
} __packed;
|
|
|
|
/*
|
|
* BEACON management packets
|
|
*
|
|
* octet timestamp[8]
|
|
* octet beacon interval[2]
|
|
* octet capability information[2]
|
|
* information element
|
|
* octet elemid
|
|
* octet length
|
|
* octet information[length]
|
|
*/
|
|
|
|
#define IEEE80211_BEACON_INTERVAL(beacon) \
|
|
((beacon)[8] | ((beacon)[9] << 8))
|
|
#define IEEE80211_BEACON_CAPABILITY(beacon) \
|
|
((beacon)[10] | ((beacon)[11] << 8))
|
|
|
|
#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
|
|
/* bit 9 is reserved */
|
|
#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
|
|
#define IEEE80211_CAPINFO_RSN 0x0800
|
|
/* bit 12 is reserved */
|
|
#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
|
|
/* bits 14-15 are reserved */
|
|
|
|
#define IEEE80211_CAPINFO_BITS \
|
|
"\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
|
|
"\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
|
|
"\16DSSOFDM"
|
|
|
|
/*
|
|
* 802.11i/WPA information element (maximally sized).
|
|
*/
|
|
struct ieee80211_ie_wpa {
|
|
uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
|
|
uint8_t wpa_len; /* length in bytes */
|
|
uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
|
|
uint8_t wpa_type; /* OUI type */
|
|
uint16_t wpa_version; /* spec revision */
|
|
uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
|
|
uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
|
|
uint32_t wpa_uciphers[8];/* ciphers */
|
|
uint16_t wpa_authselcnt; /* authentication selector cnt*/
|
|
uint32_t wpa_authsels[8];/* selectors */
|
|
uint16_t wpa_caps; /* 802.11i capabilities */
|
|
uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
|
|
uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
|
|
} __packed;
|
|
|
|
/*
|
|
* 802.11n HT Capability IE
|
|
* NB: these reflect D1.10
|
|
*/
|
|
struct ieee80211_ie_htcap {
|
|
uint8_t hc_id; /* element ID */
|
|
uint8_t hc_len; /* length in bytes */
|
|
uint16_t hc_cap; /* HT caps (see below) */
|
|
uint8_t hc_param; /* HT params (see below) */
|
|
uint8_t hc_mcsset[16]; /* supported MCS set */
|
|
uint16_t hc_extcap; /* extended HT capabilities */
|
|
uint32_t hc_txbf; /* txbf capabilities */
|
|
uint8_t hc_antenna; /* antenna capabilities */
|
|
} __packed;
|
|
|
|
/* HT capability flags (ht_cap) */
|
|
#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
|
|
#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
|
|
#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
|
|
#define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
|
|
#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
|
|
/* NB: SMPS value 2 is reserved */
|
|
#define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
|
|
#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
|
|
#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
|
|
#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
|
|
#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
|
|
#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
|
|
#define IEEE80211_HTCAP_RXSTBC_S 8
|
|
#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
|
|
#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
|
|
#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
|
|
#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
|
|
#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
|
|
#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
|
|
#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
|
|
#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
|
|
#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
|
|
#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
|
|
#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
|
|
|
|
#define IEEE80211_HTCAP_BITS \
|
|
"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
|
|
"\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
|
|
"\20LSIGTXOPPROT"
|
|
|
|
/* HT parameters (hc_param) */
|
|
#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
|
|
#define IEEE80211_HTCAP_MAXRXAMPDU_S 0
|
|
#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
|
|
#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
|
|
#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
|
|
#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
|
|
#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_S 2
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
|
|
#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
|
|
|
|
/* HT extended capabilities (hc_extcap) */
|
|
#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
|
|
#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
|
|
#define IEEE80211_HTCAP_PCOTRANS_S 1
|
|
#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
|
|
#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
|
|
#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
|
|
/* bits 3-7 reserved */
|
|
#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
|
|
#define IEEE80211_HTCAP_MCSFBACK_S 8
|
|
#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
|
|
#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
|
|
#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
|
|
#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
|
|
#define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
|
|
/* bits 12-15 reserved */
|
|
|
|
/*
|
|
* 802.11n HT Information IE
|
|
*/
|
|
struct ieee80211_ie_htinfo {
|
|
uint8_t hi_id; /* element ID */
|
|
uint8_t hi_len; /* length in bytes */
|
|
uint8_t hi_ctrlchannel; /* primary channel */
|
|
uint8_t hi_byte1; /* ht ie byte 1 */
|
|
uint8_t hi_byte2; /* ht ie byte 2 */
|
|
uint8_t hi_byte3; /* ht ie byte 3 */
|
|
uint16_t hi_byte45; /* ht ie bytes 4+5 */
|
|
uint8_t hi_basicmcsset[16]; /* basic MCS set */
|
|
} __packed;
|
|
|
|
/* byte1 */
|
|
#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
|
|
#define IEEE80211_HTINFO_2NDCHAN_S 0
|
|
#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
|
|
#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
|
|
/* NB: 2 is reserved */
|
|
#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
|
|
#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
|
|
#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
|
|
#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
|
|
#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
|
|
#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
|
|
#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
|
|
#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
|
|
#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
|
|
#define IEEE80211_HTINFO_SIGRAN_S 5
|
|
#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
|
|
/* XXX add rest */
|
|
|
|
/* bytes 2+3 */
|
|
#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
|
|
#define IEEE80211_HTINFO_OPMODE_S 0
|
|
#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
|
|
#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
|
|
#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
|
|
#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
|
|
#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
|
|
#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
|
|
#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
|
|
/* bits 5-15 reserved */
|
|
|
|
/* bytes 4+5 */
|
|
#define IEEE80211_HTINFO_2NDARYBEACON 0x01
|
|
#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
|
|
#define IEEE80211_HTINFO_PCO_ACTIVE 0x04
|
|
#define IEEE80211_HTINFO_40MHZPHASE 0x08
|
|
|
|
/* byte5 */
|
|
#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
|
|
#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
|
|
#define IEEE80211_HTINFO_DUALPROTECTED 0x80
|
|
|
|
/*
|
|
* Management information element payloads.
|
|
*/
|
|
|
|
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_CHALLENGE = 16,
|
|
/* 17-31 reserved for challenge text extension */
|
|
IEEE80211_ELEMID_PWRCNSTR = 32,
|
|
IEEE80211_ELEMID_PWRCAP = 33,
|
|
IEEE80211_ELEMID_TPCREQ = 34,
|
|
IEEE80211_ELEMID_TPCREP = 35,
|
|
IEEE80211_ELEMID_SUPPCHAN = 36,
|
|
IEEE80211_ELEMID_CHANSWITCHANN = 37,
|
|
IEEE80211_ELEMID_MEASREQ = 38,
|
|
IEEE80211_ELEMID_MEASREP = 39,
|
|
IEEE80211_ELEMID_QUIET = 40,
|
|
IEEE80211_ELEMID_IBSSDFS = 41,
|
|
IEEE80211_ELEMID_ERP = 42,
|
|
IEEE80211_ELEMID_HTCAP = 45,
|
|
IEEE80211_ELEMID_RSN = 48,
|
|
IEEE80211_ELEMID_XRATES = 50,
|
|
IEEE80211_ELEMID_HTINFO = 61,
|
|
IEEE80211_ELEMID_TPC = 150,
|
|
IEEE80211_ELEMID_CCKM = 156,
|
|
IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
|
|
};
|
|
|
|
struct ieee80211_tim_ie {
|
|
uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
|
|
uint8_t tim_len;
|
|
uint8_t tim_count; /* DTIM count */
|
|
uint8_t tim_period; /* DTIM period */
|
|
uint8_t tim_bitctl; /* bitmap control */
|
|
uint8_t tim_bitmap[1]; /* variable-length bitmap */
|
|
} __packed;
|
|
|
|
struct ieee80211_country_ie {
|
|
uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
|
|
uint8_t len;
|
|
uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
|
|
struct {
|
|
uint8_t schan; /* starting channel */
|
|
uint8_t nchan; /* number channels */
|
|
uint8_t maxtxpwr; /* tx power cap */
|
|
} __packed band[1]; /* sub bands (NB: var size) */
|
|
} __packed;
|
|
|
|
#define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
|
|
#define IEEE80211_COUNTRY_MAX_SIZE \
|
|
(sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
|
|
|
|
/*
|
|
* 802.11h Channel Switch Announcement (CSA).
|
|
*/
|
|
struct ieee80211_csa_ie {
|
|
uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
|
|
uint8_t csa_len;
|
|
uint8_t csa_mode; /* Channel Switch Mode */
|
|
uint8_t csa_newchan; /* New Channel Number */
|
|
uint8_t csa_count; /* Channel Switch Count */
|
|
} __packed;
|
|
|
|
/*
|
|
* Atheros advanced capability information element.
|
|
*/
|
|
struct ieee80211_ath_ie {
|
|
uint8_t ath_id; /* IEEE80211_ELEMID_VENDOR */
|
|
uint8_t ath_len; /* length in bytes */
|
|
uint8_t ath_oui[3]; /* 0x00, 0x03, 0x7f */
|
|
uint8_t ath_oui_type; /* OUI type */
|
|
uint8_t ath_oui_subtype; /* OUI subtype */
|
|
uint8_t ath_version; /* spec revision */
|
|
uint8_t ath_capability; /* capability info */
|
|
#define ATHEROS_CAP_TURBO_PRIME 0x01 /* dynamic turbo--aka Turbo' */
|
|
#define ATHEROS_CAP_COMPRESSION 0x02 /* data compression */
|
|
#define ATHEROS_CAP_FAST_FRAME 0x04 /* fast (jumbo) frames */
|
|
#define ATHEROS_CAP_XR 0x08 /* Xtended Range support */
|
|
#define ATHEROS_CAP_AR 0x10 /* Advanded Radar support */
|
|
#define ATHEROS_CAP_BURST 0x20 /* Bursting - not negotiated */
|
|
#define ATHEROS_CAP_WME 0x40 /* CWMin tuning */
|
|
#define ATHEROS_CAP_BOOST 0x80 /* use turbo/!turbo mode */
|
|
uint8_t ath_defkeyix[2];
|
|
} __packed;
|
|
|
|
/* rate set entries are in .5 Mb/s units, and potentially marked as basic */
|
|
#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
|
|
|
|
#define IEEE80211_ERP_BITS \
|
|
"\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
|
|
|
|
#define ATH_OUI 0x7f0300 /* Atheros OUI */
|
|
#define ATH_OUI_TYPE 0x01
|
|
#define ATH_OUI_SUBTYPE 0x01
|
|
#define ATH_OUI_VERSION 0x00
|
|
|
|
#define BCM_OUI 0x4c9000 /* Broadcom OUI */
|
|
#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
|
|
#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
|
|
|
|
#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 WPS_OUI_TYPE 0x04
|
|
|
|
#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] NB: 1-253 bytes
|
|
*/
|
|
|
|
/* challenge length for shared key auth */
|
|
#define IEEE80211_CHALLENGE_LEN 128
|
|
|
|
#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 and status codes.
|
|
*
|
|
* Reason codes are used in management frames to indicate why an
|
|
* action took place (e.g. on disassociation). Status codes are
|
|
* used in management frames to indicate the result of an operation.
|
|
*
|
|
* 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_DISASSOC_PWRCAP_BAD = 10, /* 11h */
|
|
IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
|
|
IEEE80211_REASON_IE_INVALID = 13, /* 11i */
|
|
IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
|
|
IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
|
|
IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
|
|
IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
|
|
IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
|
|
IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
|
|
IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
|
|
IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
|
|
IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
|
|
IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
|
|
IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
|
|
IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
|
|
IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
|
|
IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
|
|
IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
|
|
IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
|
|
IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
|
|
IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
|
|
IEEE80211_REASON_TIMEOUT = 39, /* 11e */
|
|
|
|
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, /* 11b */
|
|
IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
|
|
IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
|
|
IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
|
|
IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
|
|
IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
|
|
IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
|
|
IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
|
|
IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
|
|
IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
|
|
IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
|
|
IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
|
|
IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
|
|
IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
|
|
IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
|
|
};
|
|
|
|
#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_TOTLEN (IEEE80211_WEP_IVLEN + \
|
|
IEEE80211_WEP_KIDLEN + \
|
|
IEEE80211_WEP_CRCLEN)
|
|
#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 IEEE80211_AID_DEF.
|
|
* This number may be overridden by the driver and/or by
|
|
* user configuration but may not be less than IEEE80211_AID_MIN
|
|
* (see _ieee80211.h for implementation-specific settings).
|
|
*/
|
|
#define IEEE80211_AID_MAX 2007
|
|
|
|
#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
|
|
|
|
/*
|
|
* Beacon interval (TU's). Min+max come from WiFi requirements.
|
|
* As above, we treat default as implementation-dependent so
|
|
* define it elsewhere.
|
|
*/
|
|
#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
|
|
#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
|
|
|
|
/*
|
|
* DTIM period (beacons). Min+max are not really defined
|
|
* by the protocol but we want them publicly visible so
|
|
* define them here.
|
|
*/
|
|
#define IEEE80211_DTIM_MAX 15 /* max DTIM period */
|
|
#define IEEE80211_DTIM_MIN 1 /* min DTIM period */
|
|
|
|
/*
|
|
* Beacon miss threshold (beacons). As for DTIM, we define
|
|
* them here to be publicly visible. Note the max may be
|
|
* clamped depending on device capabilities.
|
|
*/
|
|
#define IEEE80211_HWBMISS_MIN 1
|
|
#define IEEE80211_HWBMISS_MAX 255
|
|
|
|
/*
|
|
* 802.11 frame duration definitions.
|
|
*/
|
|
|
|
struct ieee80211_duration {
|
|
uint16_t d_rts_dur;
|
|
uint16_t d_data_dur;
|
|
uint16_t d_plcp_len;
|
|
uint8_t d_residue; /* unused octets in time slot */
|
|
};
|
|
|
|
/* 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_SLOW_PLCPHDR 48
|
|
#define IEEE80211_DUR_DS_FAST_PLCPHDR 24
|
|
#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)
|
|
|
|
/*
|
|
* Atheros fast-frame encapsulation format.
|
|
* FF max payload:
|
|
* 802.2 + FFHDR + HPAD + 802.3 + 802.2 + 1500 + SPAD + 802.3 + 802.2 + 1500:
|
|
* 8 + 4 + 4 + 14 + 8 + 1500 + 6 + 14 + 8 + 1500
|
|
* = 3066
|
|
*/
|
|
/* fast frame header is 32-bits */
|
|
#define ATH_FF_PROTO 0x0000003f /* protocol */
|
|
#define ATH_FF_PROTO_S 0
|
|
#define ATH_FF_FTYPE 0x000000c0 /* frame type */
|
|
#define ATH_FF_FTYPE_S 6
|
|
#define ATH_FF_HLEN32 0x00000300 /* optional hdr length */
|
|
#define ATH_FF_HLEN32_S 8
|
|
#define ATH_FF_SEQNUM 0x001ffc00 /* sequence number */
|
|
#define ATH_FF_SEQNUM_S 10
|
|
#define ATH_FF_OFFSET 0xffe00000 /* offset to 2nd payload */
|
|
#define ATH_FF_OFFSET_S 21
|
|
|
|
#define ATH_FF_MAX_HDR_PAD 4
|
|
#define ATH_FF_MAX_SEP_PAD 6
|
|
#define ATH_FF_MAX_HDR 30
|
|
|
|
#define ATH_FF_PROTO_L2TUNNEL 0 /* L2 tunnel protocol */
|
|
#define ATH_FF_ETH_TYPE 0x88bd /* Ether type for encapsulated frames */
|
|
#define ATH_FF_SNAP_ORGCODE_0 0x00
|
|
#define ATH_FF_SNAP_ORGCODE_1 0x03
|
|
#define ATH_FF_SNAP_ORGCODE_2 0x7f
|
|
|
|
struct ieee80211_tdma_param {
|
|
u_int8_t tdma_id; /* IEEE80211_ELEMID_VENDOR */
|
|
u_int8_t tdma_len;
|
|
u_int8_t tdma_oui[3]; /* 0x00, 0x03, 0x7f */
|
|
u_int8_t tdma_type; /* OUI type */
|
|
u_int8_t tdma_subtype; /* OUI subtype */
|
|
u_int8_t tdma_version; /* spec revision */
|
|
u_int8_t tdma_slot; /* station slot # */
|
|
u_int8_t tdma_slotcnt; /* bss slot count */
|
|
u_int16_t tdma_slotlen; /* bss slot len (100us) */
|
|
u_int8_t tdma_bintval; /* beacon interval (superframes) */
|
|
u_int8_t tdma_inuse[1]; /* slot occupancy map */
|
|
u_int8_t tdma_pad[2];
|
|
u_int8_t tdma_tstamp[8]; /* timestamp from last beacon */
|
|
} __packed;
|
|
|
|
/* NB: Atheros allocated the OUI for this purpose ~3 years ago but beware ... */
|
|
#define TDMA_OUI ATH_OUI
|
|
#define TDMA_OUI_TYPE 0x02
|
|
#define TDMA_SUBTYPE_PARAM 0x01
|
|
#define TDMA_VERSION 2
|
|
|
|
#endif /* _NET80211_IEEE80211_H_ */
|