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5628221caf
The "protection needed" flag is currently parsed out of the ERP IE in beacons. This patch allows the ERP IE to be available at assocation time and causes the appropriate actions to be performed earlier. It is slightly complicated by the fact that most APs don't include the ERP IE in association responses. To work around this, we store ERP values in the ieee80211_sta_bss structure. Also added some WLAN_ERP defines for use by upcoming patches. Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
354 lines
9.8 KiB
C
354 lines
9.8 KiB
C
/*
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* IEEE 802.11 defines
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*
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* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
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* <jkmaline@cc.hut.fi>
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* Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
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* Copyright (c) 2005, Devicescape Software, Inc.
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* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef IEEE80211_H
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#define IEEE80211_H
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#include <linux/types.h>
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#define FCS_LEN 4
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#define IEEE80211_FCTL_VERS 0x0003
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#define IEEE80211_FCTL_FTYPE 0x000c
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#define IEEE80211_FCTL_STYPE 0x00f0
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#define IEEE80211_FCTL_TODS 0x0100
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#define IEEE80211_FCTL_FROMDS 0x0200
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#define IEEE80211_FCTL_MOREFRAGS 0x0400
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#define IEEE80211_FCTL_RETRY 0x0800
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#define IEEE80211_FCTL_PM 0x1000
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#define IEEE80211_FCTL_MOREDATA 0x2000
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#define IEEE80211_FCTL_PROTECTED 0x4000
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#define IEEE80211_FCTL_ORDER 0x8000
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#define IEEE80211_SCTL_FRAG 0x000F
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#define IEEE80211_SCTL_SEQ 0xFFF0
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#define IEEE80211_FTYPE_MGMT 0x0000
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#define IEEE80211_FTYPE_CTL 0x0004
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#define IEEE80211_FTYPE_DATA 0x0008
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/* management */
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#define IEEE80211_STYPE_ASSOC_REQ 0x0000
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#define IEEE80211_STYPE_ASSOC_RESP 0x0010
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#define IEEE80211_STYPE_REASSOC_REQ 0x0020
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#define IEEE80211_STYPE_REASSOC_RESP 0x0030
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#define IEEE80211_STYPE_PROBE_REQ 0x0040
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#define IEEE80211_STYPE_PROBE_RESP 0x0050
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#define IEEE80211_STYPE_BEACON 0x0080
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#define IEEE80211_STYPE_ATIM 0x0090
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#define IEEE80211_STYPE_DISASSOC 0x00A0
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#define IEEE80211_STYPE_AUTH 0x00B0
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#define IEEE80211_STYPE_DEAUTH 0x00C0
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#define IEEE80211_STYPE_ACTION 0x00D0
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/* control */
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#define IEEE80211_STYPE_PSPOLL 0x00A0
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#define IEEE80211_STYPE_RTS 0x00B0
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#define IEEE80211_STYPE_CTS 0x00C0
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#define IEEE80211_STYPE_ACK 0x00D0
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#define IEEE80211_STYPE_CFEND 0x00E0
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#define IEEE80211_STYPE_CFENDACK 0x00F0
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/* data */
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#define IEEE80211_STYPE_DATA 0x0000
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#define IEEE80211_STYPE_DATA_CFACK 0x0010
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#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
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#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
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#define IEEE80211_STYPE_NULLFUNC 0x0040
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#define IEEE80211_STYPE_CFACK 0x0050
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#define IEEE80211_STYPE_CFPOLL 0x0060
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#define IEEE80211_STYPE_CFACKPOLL 0x0070
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#define IEEE80211_STYPE_QOS_DATA 0x0080
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#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
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#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
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#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
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#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
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#define IEEE80211_STYPE_QOS_CFACK 0x00D0
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#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
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#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
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/* miscellaneous IEEE 802.11 constants */
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#define IEEE80211_MAX_FRAG_THRESHOLD 2346
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#define IEEE80211_MAX_RTS_THRESHOLD 2347
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#define IEEE80211_MAX_AID 2007
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#define IEEE80211_MAX_TIM_LEN 251
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#define IEEE80211_MAX_DATA_LEN 2304
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/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
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6.2.1.1.2.
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The figure in section 7.1.2 suggests a body size of up to 2312
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bytes is allowed, which is a bit confusing, I suspect this
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represents the 2304 bytes of real data, plus a possible 8 bytes of
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WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
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#define IEEE80211_MAX_SSID_LEN 32
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struct ieee80211_hdr {
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__le16 frame_control;
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__le16 duration_id;
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u8 addr1[6];
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u8 addr2[6];
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u8 addr3[6];
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__le16 seq_ctrl;
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u8 addr4[6];
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} __attribute__ ((packed));
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struct ieee80211_mgmt {
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__le16 frame_control;
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__le16 duration;
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u8 da[6];
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u8 sa[6];
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u8 bssid[6];
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__le16 seq_ctrl;
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union {
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struct {
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__le16 auth_alg;
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__le16 auth_transaction;
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__le16 status_code;
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/* possibly followed by Challenge text */
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u8 variable[0];
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} __attribute__ ((packed)) auth;
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struct {
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__le16 reason_code;
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} __attribute__ ((packed)) deauth;
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struct {
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__le16 capab_info;
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__le16 listen_interval;
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/* followed by SSID and Supported rates */
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u8 variable[0];
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} __attribute__ ((packed)) assoc_req;
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struct {
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__le16 capab_info;
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__le16 status_code;
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__le16 aid;
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/* followed by Supported rates */
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u8 variable[0];
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} __attribute__ ((packed)) assoc_resp, reassoc_resp;
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struct {
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__le16 capab_info;
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__le16 listen_interval;
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u8 current_ap[6];
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/* followed by SSID and Supported rates */
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u8 variable[0];
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} __attribute__ ((packed)) reassoc_req;
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struct {
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__le16 reason_code;
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} __attribute__ ((packed)) disassoc;
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struct {
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__le64 timestamp;
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__le16 beacon_int;
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__le16 capab_info;
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/* followed by some of SSID, Supported rates,
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* FH Params, DS Params, CF Params, IBSS Params, TIM */
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u8 variable[0];
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} __attribute__ ((packed)) beacon;
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struct {
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/* only variable items: SSID, Supported rates */
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u8 variable[0];
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} __attribute__ ((packed)) probe_req;
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struct {
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__le64 timestamp;
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__le16 beacon_int;
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__le16 capab_info;
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/* followed by some of SSID, Supported rates,
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* FH Params, DS Params, CF Params, IBSS Params */
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u8 variable[0];
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} __attribute__ ((packed)) probe_resp;
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struct {
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u8 category;
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union {
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struct {
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u8 action_code;
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u8 dialog_token;
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u8 status_code;
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u8 variable[0];
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} __attribute__ ((packed)) wme_action;
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struct{
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u8 action_code;
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u8 element_id;
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u8 length;
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u8 switch_mode;
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u8 new_chan;
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u8 switch_count;
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} __attribute__((packed)) chan_switch;
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} u;
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} __attribute__ ((packed)) action;
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} u;
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} __attribute__ ((packed));
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/* Control frames */
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struct ieee80211_rts {
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__le16 frame_control;
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__le16 duration;
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u8 ra[6];
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u8 ta[6];
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} __attribute__ ((packed));
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struct ieee80211_cts {
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__le16 frame_control;
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__le16 duration;
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u8 ra[6];
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} __attribute__ ((packed));
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/* Authentication algorithms */
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#define WLAN_AUTH_OPEN 0
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#define WLAN_AUTH_SHARED_KEY 1
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#define WLAN_AUTH_FAST_BSS_TRANSITION 2
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#define WLAN_AUTH_LEAP 128
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#define WLAN_AUTH_CHALLENGE_LEN 128
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#define WLAN_CAPABILITY_ESS (1<<0)
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#define WLAN_CAPABILITY_IBSS (1<<1)
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#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
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#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
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#define WLAN_CAPABILITY_PRIVACY (1<<4)
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#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
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#define WLAN_CAPABILITY_PBCC (1<<6)
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#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
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/* 802.11h */
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#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
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#define WLAN_CAPABILITY_QOS (1<<9)
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#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
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#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
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/* 802.11g ERP information element */
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#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
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#define WLAN_ERP_USE_PROTECTION (1<<1)
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#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
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/* WLAN_ERP_BARKER_PREAMBLE values */
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enum {
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WLAN_ERP_PREAMBLE_SHORT = 0,
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WLAN_ERP_PREAMBLE_LONG = 1,
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};
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/* Status codes */
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enum ieee80211_statuscode {
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WLAN_STATUS_SUCCESS = 0,
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WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
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WLAN_STATUS_CAPS_UNSUPPORTED = 10,
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WLAN_STATUS_REASSOC_NO_ASSOC = 11,
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WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
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WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
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WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
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WLAN_STATUS_CHALLENGE_FAIL = 15,
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WLAN_STATUS_AUTH_TIMEOUT = 16,
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WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
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WLAN_STATUS_ASSOC_DENIED_RATES = 18,
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/* 802.11b */
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WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
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WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
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WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
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/* 802.11h */
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WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
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WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
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WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
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/* 802.11g */
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WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
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WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
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/* 802.11i */
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WLAN_STATUS_INVALID_IE = 40,
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WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
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WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
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WLAN_STATUS_INVALID_AKMP = 43,
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WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
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WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
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WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
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};
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/* Reason codes */
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enum ieee80211_reasoncode {
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WLAN_REASON_UNSPECIFIED = 1,
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WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
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WLAN_REASON_DEAUTH_LEAVING = 3,
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WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
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WLAN_REASON_DISASSOC_AP_BUSY = 5,
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WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
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WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
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WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
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WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
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/* 802.11h */
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WLAN_REASON_DISASSOC_BAD_POWER = 10,
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WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
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/* 802.11i */
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WLAN_REASON_INVALID_IE = 13,
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WLAN_REASON_MIC_FAILURE = 14,
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WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
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WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
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WLAN_REASON_IE_DIFFERENT = 17,
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WLAN_REASON_INVALID_GROUP_CIPHER = 18,
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WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
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WLAN_REASON_INVALID_AKMP = 20,
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WLAN_REASON_UNSUPP_RSN_VERSION = 21,
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WLAN_REASON_INVALID_RSN_IE_CAP = 22,
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WLAN_REASON_IEEE8021X_FAILED = 23,
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WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
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};
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/* Information Element IDs */
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enum ieee80211_eid {
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WLAN_EID_SSID = 0,
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WLAN_EID_SUPP_RATES = 1,
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WLAN_EID_FH_PARAMS = 2,
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WLAN_EID_DS_PARAMS = 3,
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WLAN_EID_CF_PARAMS = 4,
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WLAN_EID_TIM = 5,
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WLAN_EID_IBSS_PARAMS = 6,
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WLAN_EID_CHALLENGE = 16,
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/* 802.11d */
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WLAN_EID_COUNTRY = 7,
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WLAN_EID_HP_PARAMS = 8,
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WLAN_EID_HP_TABLE = 9,
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WLAN_EID_REQUEST = 10,
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/* 802.11h */
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WLAN_EID_PWR_CONSTRAINT = 32,
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WLAN_EID_PWR_CAPABILITY = 33,
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WLAN_EID_TPC_REQUEST = 34,
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WLAN_EID_TPC_REPORT = 35,
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WLAN_EID_SUPPORTED_CHANNELS = 36,
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WLAN_EID_CHANNEL_SWITCH = 37,
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WLAN_EID_MEASURE_REQUEST = 38,
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WLAN_EID_MEASURE_REPORT = 39,
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WLAN_EID_QUIET = 40,
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WLAN_EID_IBSS_DFS = 41,
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/* 802.11g */
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WLAN_EID_ERP_INFO = 42,
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WLAN_EID_EXT_SUPP_RATES = 50,
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/* 802.11i */
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WLAN_EID_RSN = 48,
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WLAN_EID_WPA = 221,
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WLAN_EID_GENERIC = 221,
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WLAN_EID_VENDOR_SPECIFIC = 221,
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WLAN_EID_QOS_PARAMETER = 222
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};
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/* cipher suite selectors */
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#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
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#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
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#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
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/* reserved: 0x000FAC03 */
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#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
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#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
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#define WLAN_MAX_KEY_LEN 32
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#endif /* IEEE80211_H */
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