233 lines
6.3 KiB
C
233 lines
6.3 KiB
C
/* $NetBSD: if_ieee80211.h,v 1.5 2000/07/21 04:47:40 onoe Exp $ */
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/* $FreeBSD$ */
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#ifndef _NET_IF_IEEE80211_H_
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#define _NET_IF_IEEE80211_H_
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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[ETHER_ADDR_LEN];
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u_int8_t i_addr2[ETHER_ADDR_LEN];
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u_int8_t i_addr3[ETHER_ADDR_LEN];
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u_int8_t i_seq[2];
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/* possibly followed by addr4[ETHER_ADDR_LEN]; */
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};
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#define IEEE80211_FC0_VERSION_MASK 0x03
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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_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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/* 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_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_NWID_LEN 32
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/*
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* BEACON management packets
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*
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* octect timestamp[8]
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* octect beacon interval[2]
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* octect capability information[2]
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* information element
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* octect elemid
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* octect length
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* octect 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 0x01
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#define IEEE80211_CAPINFO_IBSS 0x02
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#define IEEE80211_CAPINFO_CF_POLLABLE 0x04
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#define IEEE80211_CAPINFO_CF_POLLREQ 0x08
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#define IEEE80211_CAPINFO_PRIVACY 0x10
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/*
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* Management information elements
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*/
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struct ieee80211_information {
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char ssid[IEEE80211_NWID_LEN+1];
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struct rates {
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u_int8_t *p;
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} rates;
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struct fh {
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u_int16_t dwell;
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u_int8_t set;
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u_int8_t pattern;
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u_int8_t index;
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} fh;
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struct ds {
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u_int8_t channel;
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} ds;
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struct cf {
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u_int8_t count;
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u_int8_t period;
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u_int8_t maxdur[2];
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u_int8_t dur[2];
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} cf;
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struct tim {
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u_int8_t count;
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u_int8_t period;
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u_int8_t bitctl;
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/* u_int8_t pvt[251]; The driver never needs to use this */
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} tim;
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struct ibss {
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u_int16_t atim;
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} ibss;
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struct challenge {
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u_int8_t *p;
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u_int8_t len;
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} challenge;
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};
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#define IEEE80211_ELEMID_SSID 0
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#define IEEE80211_ELEMID_RATES 1
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#define IEEE80211_ELEMID_FHPARMS 2
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#define IEEE80211_ELEMID_DSPARMS 3
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#define IEEE80211_ELEMID_CFPARMS 4
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#define IEEE80211_ELEMID_TIM 5
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#define IEEE80211_ELEMID_IBSSPARMS 6
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#define IEEE80211_ELEMID_CHALLENGE 16
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/*
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* AUTH management packets
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*
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* octect algo[2]
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* octect seq[2]
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* octect status[2]
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* octect chal.id
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* octect chal.length
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* octect chal.text[253]
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*/
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typedef u_int8_t * ieee80211_mgt_auth_t;
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#define IEEE80211_AUTH_ALGORITHM(auth) \
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(auth[0] + (auth[1] << 8))
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#define IEEE80211_AUTH_TRANSACTION(auth) \
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(auth[2] + (auth[3] << 8))
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#define IEEE80211_AUTH_STATUS(auth) \
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(auth[4] + (auth[5] << 8))
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#define IEEE80211_AUTH_ALG_OPEN 0x0000
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#define IEEE80211_AUTH_ALG_SHARED 0x0001
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#define IEEE80211_AUTH_OPEN_REQUEST 1
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#define IEEE80211_AUTH_OPEN_RESPONSE 2
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#define IEEE80211_AUTH_SHARED_REQUEST 1
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#define IEEE80211_AUTH_SHARED_CHALLENGE 2
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#define IEEE80211_AUTH_SHARED_RESPONSE 3
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#define IEEE80211_AUTH_SHARED_PASS 4
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/*
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* Reason codes
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*
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* Unlisted codes are reserved
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*/
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#define IEEE80211_REASON_UNSPECIFIED 1
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#define IEEE80211_REASON_AUTH_EXPIRE 2
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#define IEEE80211_REASON_AUTH_LEAVE 3
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#define IEEE80211_REASON_ASSOC_EXPIRE 4
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#define IEEE80211_REASON_ASSOC_TOOMANY 5
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#define IEEE80211_REASON_NOT_AUTHED 6
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#define IEEE80211_REASON_NOT_ASSOCED 7
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#define IEEE80211_REASON_ASSOC_LEAVE 8
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#define IEEE80211_REASON_ASSOC_NOT_AUTHED 9
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/*
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* Status code
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*
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* Unlisted codes are reserved
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*/
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#define IEEE80211_STATUS_SUCCESS 0x0000
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#define IEEE80211_STATUS_UNSPECIFIED 1
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#define IEEE80211_STATUS_CAPINFO 10
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#define IEEE80211_STATUS_NOT_ASSOCED 11
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#define IEEE80211_STATUS_OTHER 12
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#define IEEE80211_STATUS_ALG 13
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#define IEEE80211_STATUS_SEQUENCE 14
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#define IEEE80211_STATUS_CHALLENGE 15
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#define IEEE80211_STATUS_TIMEOUT 16
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#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
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#define IEEE80211_WEP_IVLEN 3 /* 24bit */
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#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
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#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
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#define IEEE80211_WEP_NKID 4 /* number of key ids */
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/* nwid is pointed at by ifr.ifr_data */
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struct ieee80211_nwid {
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u_int8_t i_len;
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u_int8_t i_nwid[IEEE80211_NWID_LEN];
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};
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#define SIOCS80211NWID _IOWR('i', 230, struct ifreq)
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#define SIOCG80211NWID _IOWR('i', 231, struct ifreq)
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/* the first member must be matched with struct ifreq */
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struct ieee80211_nwkey {
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char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
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int i_wepon; /* wep enabled flag */
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int i_defkid; /* default encrypt key id */
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struct {
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int i_keylen;
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u_int8_t *i_keydat;
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} i_key[IEEE80211_WEP_NKID];
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};
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#define SIOCS80211NWKEY _IOW('i', 232, struct ieee80211_nwkey)
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#define SIOCG80211NWKEY _IOWR('i', 233, struct ieee80211_nwkey)
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#endif /* !_NET_IF_IEEE80211_H_ */
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