From FreeBSD. Definite structures and constants for
QoS/WME/802.11e, for WPA, and for 802.11 MTU.
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dyoung
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@ -1,4 +1,4 @@
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/* $NetBSD: ieee80211.h,v 1.5 2003/12/14 09:56:53 dyoung Exp $ */
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/* $NetBSD: ieee80211.h,v 1.6 2004/04/30 23:51:53 dyoung Exp $ */
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/*-
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* Copyright (c) 2001 Atsushi Onoe
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* Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
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@ -30,7 +30,7 @@
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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: src/sys/net80211/ieee80211.h,v 1.3 2003/09/15 19:36:34 sam Exp $
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* $FreeBSD: src/sys/net80211/ieee80211.h,v 1.5 2004/04/05 17:47:40 sam Exp $
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*/
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#ifndef _NET80211_IEEE80211_H_
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#define _NET80211_IEEE80211_H_
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@ -69,6 +69,22 @@ struct ieee80211_frame {
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/* see below */
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} __attribute__((__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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} __attribute__((__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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@ -79,6 +95,59 @@ struct ieee80211_frame_addr4 {
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u_int8_t i_addr4[IEEE80211_ADDR_LEN];
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} __attribute__((__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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} __attribute__((__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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} __attribute__((__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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* 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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} __attribute__((__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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@ -118,6 +187,7 @@ struct ieee80211_frame_addr4 {
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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_FC1_DIR_MASK 0x03
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#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
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@ -139,6 +209,12 @@ struct ieee80211_frame_addr4 {
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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 0x0600
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#define IEEE80211_QOS_ESOP 0x0800
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#define IEEE80211_QOS_TID 0xf000
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/*
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* Control frames.
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*/
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@ -217,10 +293,25 @@ typedef uint8_t *ieee80211_mgt_beacon_t;
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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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/* bits 11-12 are reserved */
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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_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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} __attribute__((__packed__));
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/*
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* Management information elements
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*/
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@ -260,6 +351,18 @@ struct ieee80211_information {
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struct erp {
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u_int8_t flags;
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} erp;
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struct country {
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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;
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} band[4]; /* up to 4 sub bands */
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} country;
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struct ath {
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u_int8_t flags;
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} ath;
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struct ieee80211_ie_wpa wpa;
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};
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enum {
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@ -272,8 +375,12 @@ enum {
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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_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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#define IEEE80211_CHALLENGE_LEN 128
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@ -286,6 +393,32 @@ enum {
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#define IEEE80211_ERP_USE_PROTECTION 0x02
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#define IEEE80211_ERP_BARKER_MODE 0x04
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/* Atheros private advanced capabilities info */
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#define ATHEROS_CAP_TURBO_PRIME 0x01
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#define ATHEROS_CAP_COMPRESSION 0x02
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#define ATHEROS_CAP_FAST_FRAME 0x04
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/* bits 3-6 reserved */
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#define ATHEROS_CAP_BOOST 0x80
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#define ATH_OUI 0x7f0300 /* Atheros OUI */
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#define ATH_OUI_TYPE 0x01
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#define ATH_OUI_VERSION 0x01
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#define WPA_OUI 0xf25000
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#define WPA_OUI_TYPE 0x01
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#define WPA_OUI_VERSION 1 /* current supported version */
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#define WPA_CSE_NULL 0x00
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#define WPA_CSE_WEP40 0x01
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#define WPA_CSE_TKIP 0x02
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#define WPA_CSE_WRAP 0x03 /* WPA2/802.11i */
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#define WPA_CSE_CCMP 0x04
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#define WPA_CSE_WEP104 0x05
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#define WPA_ASE_NONE 0x00
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#define WPA_ASE_8021X_UNSPEC 0x01
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#define WPA_ASE_8021X_PSK 0x02
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/*
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* AUTH management packets
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*
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@ -308,6 +441,7 @@ typedef u_int8_t *ieee80211_mgt_auth_t;
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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_ALG_LEAP 0x0080
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enum {
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IEEE80211_AUTH_OPEN_REQUEST = 1,
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@ -338,6 +472,11 @@ enum {
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IEEE80211_REASON_ASSOC_LEAVE = 8,
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IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
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IEEE80211_REASON_RSN_REQUIRED = 11,
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IEEE80211_REASON_RSN_INCONSISTENT = 12,
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IEEE80211_REASON_IE_INVALID = 13,
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IEEE80211_REASON_MIC_FAILURE = 14,
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IEEE80211_STATUS_SUCCESS = 0,
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IEEE80211_STATUS_UNSPECIFIED = 1,
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IEEE80211_STATUS_CAPINFO = 10,
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@ -366,7 +505,16 @@ enum {
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#define IEEE80211_CRC_LEN 4
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#define IEEE80211_MTU 1500
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/*
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* Maximum acceptable MTU is:
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* IEEE80211_MAX_LEN - WEP overhead - CRC -
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* QoS overhead - RSN/WPA overhead
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* Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
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* mtu is Ethernet-compatible; it's set by ether_ifattach.
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*/
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#define IEEE80211_MTU_MAX 2290
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#define IEEE80211_MTU_MIN 32
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#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
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(IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
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#define IEEE80211_MIN_LEN \
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