2005-05-13 10:48:20 +08:00
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/*
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* Merged with mainline ieee80211.h in Aug 2004. Original ieee802_11
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* remains copyright by the original authors
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*
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* Portions of the merged code are based on Host AP (software wireless
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* LAN access point) driver for Intersil Prism2/2.5/3.
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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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*
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* Adaption to a generic IEEE 802.11 stack by James Ketrenos
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* <jketreno@linux.intel.com>
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* Copyright (c) 2004, Intel Corporation
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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. See README and COPYING for
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* more details.
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*/
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#ifndef IEEE80211_H
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#define IEEE80211_H
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#include <linux/if_ether.h> /* ETH_ALEN */
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#include <linux/kernel.h> /* ARRAY_SIZE */
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2005-07-23 05:39:12 +08:00
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#include <linux/wireless.h>
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2005-05-13 10:48:20 +08:00
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#if WIRELESS_EXT < 17
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#define IW_QUAL_QUAL_INVALID 0x10
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#define IW_QUAL_LEVEL_INVALID 0x20
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#define IW_QUAL_NOISE_INVALID 0x40
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#define IW_QUAL_QUAL_UPDATED 0x1
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#define IW_QUAL_LEVEL_UPDATED 0x2
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#define IW_QUAL_NOISE_UPDATED 0x4
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#endif
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#define IEEE80211_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_HLEN 30
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#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
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struct ieee80211_hdr {
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u16 frame_ctl;
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u16 duration_id;
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u8 addr1[ETH_ALEN];
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u8 addr2[ETH_ALEN];
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u8 addr3[ETH_ALEN];
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u16 seq_ctl;
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u8 addr4[ETH_ALEN];
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} __attribute__ ((packed));
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struct ieee80211_hdr_3addr {
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u16 frame_ctl;
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u16 duration_id;
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u8 addr1[ETH_ALEN];
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u8 addr2[ETH_ALEN];
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u8 addr3[ETH_ALEN];
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u16 seq_ctl;
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} __attribute__ ((packed));
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enum eap_type {
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EAP_PACKET = 0,
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EAPOL_START,
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EAPOL_LOGOFF,
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EAPOL_KEY,
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EAPOL_ENCAP_ASF_ALERT
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};
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static const char *eap_types[] = {
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[EAP_PACKET] = "EAP-Packet",
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[EAPOL_START] = "EAPOL-Start",
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[EAPOL_LOGOFF] = "EAPOL-Logoff",
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[EAPOL_KEY] = "EAPOL-Key",
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[EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert"
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};
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static inline const char *eap_get_type(int type)
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{
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return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type];
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}
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struct eapol {
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u8 snap[6];
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u16 ethertype;
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u8 version;
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u8 type;
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u16 length;
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} __attribute__ ((packed));
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2005-05-24 21:10:18 +08:00
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#define IEEE80211_1ADDR_LEN 10
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#define IEEE80211_2ADDR_LEN 16
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2005-05-13 10:48:20 +08:00
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#define IEEE80211_3ADDR_LEN 24
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#define IEEE80211_4ADDR_LEN 30
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#define IEEE80211_FCS_LEN 4
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#define MIN_FRAG_THRESHOLD 256U
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#define MAX_FRAG_THRESHOLD 2346U
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/* Frame control field constants */
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2005-08-15 10:08:45 +08:00
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#define IEEE80211_FCTL_VERS 0x0003
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2005-05-13 10:48:20 +08:00
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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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2005-08-26 08:11:46 +08:00
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#define IEEE80211_FCTL_MOREDATA 0x2000
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#define IEEE80211_FCTL_PROTECTED 0x4000
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2005-05-13 10:48:20 +08:00
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#define IEEE80211_FCTL_ORDER 0x8000
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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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2005-08-26 08:11:46 +08:00
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#define IEEE80211_STYPE_ACTION 0x00D0
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2005-05-13 10:48:20 +08:00
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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_SCTL_FRAG 0x000F
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#define IEEE80211_SCTL_SEQ 0xFFF0
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/* debug macros */
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#ifdef CONFIG_IEEE80211_DEBUG
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extern u32 ieee80211_debug_level;
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#define IEEE80211_DEBUG(level, fmt, args...) \
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do { if (ieee80211_debug_level & (level)) \
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printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
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in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
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#else
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#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
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#endif /* CONFIG_IEEE80211_DEBUG */
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2005-08-26 08:00:53 +08:00
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/* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
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#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
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#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
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/* escape_essid() is intended to be used in debug (and possibly error)
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* messages. It should never be used for passing essid to user space. */
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const char *escape_essid(const char *essid, u8 essid_len);
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2005-05-13 10:48:20 +08:00
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/*
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2005-08-26 08:00:53 +08:00
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* To use the debug system:
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2005-05-13 10:48:20 +08:00
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*
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* If you are defining a new debug classification, simply add it to the #define
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* list here in the form of:
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*
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* #define IEEE80211_DL_xxxx VALUE
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*
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* shifting value to the left one bit from the previous entry. xxxx should be
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* the name of the classification (for example, WEP)
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*
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* You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your
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* classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want
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* to send output to that classification.
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*
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* To add your debug level to the list of levels seen when you perform
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*
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* % cat /proc/net/ipw/debug_level
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*
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* you simply need to add your entry to the ipw_debug_levels array.
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*
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* If you do not see debug_level in /proc/net/ipw then you do not have
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* CONFIG_IEEE80211_DEBUG defined in your kernel configuration
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*
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*/
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#define IEEE80211_DL_INFO (1<<0)
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#define IEEE80211_DL_WX (1<<1)
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#define IEEE80211_DL_SCAN (1<<2)
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#define IEEE80211_DL_STATE (1<<3)
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#define IEEE80211_DL_MGMT (1<<4)
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#define IEEE80211_DL_FRAG (1<<5)
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#define IEEE80211_DL_EAP (1<<6)
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#define IEEE80211_DL_DROP (1<<7)
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#define IEEE80211_DL_TX (1<<8)
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#define IEEE80211_DL_RX (1<<9)
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#define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
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#define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
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#define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
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#define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
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#define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
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#define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
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#define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
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#define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
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#define IEEE80211_DEBUG_EAP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a)
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#define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
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#define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
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#define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
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#include <linux/netdevice.h>
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#include <linux/wireless.h>
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#include <linux/if_arp.h> /* ARPHRD_ETHER */
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#ifndef WIRELESS_SPY
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#define WIRELESS_SPY // enable iwspy support
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#endif
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#include <net/iw_handler.h> // new driver API
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#ifndef ETH_P_PAE
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#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
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#endif /* ETH_P_PAE */
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#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
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#ifndef ETH_P_80211_RAW
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#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
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#endif
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/* IEEE 802.11 defines */
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#define P80211_OUI_LEN 3
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struct ieee80211_snap_hdr {
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u8 dsap; /* always 0xAA */
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u8 ssap; /* always 0xAA */
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u8 ctrl; /* always 0x03 */
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u8 oui[P80211_OUI_LEN]; /* organizational universal id */
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} __attribute__ ((packed));
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#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
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2005-08-26 08:11:46 +08:00
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#define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
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2005-05-13 10:48:20 +08:00
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#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
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#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
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#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
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#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
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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_CHALLENGE_LEN 128
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2005-08-15 11:59:59 +08:00
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#define WLAN_CAPABILITY_ESS (1<<0)
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2005-05-13 10:48:20 +08:00
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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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2005-08-26 08:11:46 +08:00
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#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
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#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
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#define WLAN_CAPABILITY_OSSS_OFDM (1<<13)
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2005-05-13 10:48:20 +08:00
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/* Status codes */
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#define WLAN_STATUS_SUCCESS 0
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#define WLAN_STATUS_UNSPECIFIED_FAILURE 1
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#define WLAN_STATUS_CAPS_UNSUPPORTED 10
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#define WLAN_STATUS_REASSOC_NO_ASSOC 11
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#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
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#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
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#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
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#define WLAN_STATUS_CHALLENGE_FAIL 15
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#define WLAN_STATUS_AUTH_TIMEOUT 16
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#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
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#define WLAN_STATUS_ASSOC_DENIED_RATES 18
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/* 802.11b */
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2005-08-26 08:11:46 +08:00
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#define WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE 19
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2005-05-13 10:48:20 +08:00
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#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
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#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
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2005-08-26 08:11:46 +08:00
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/* 802.11h */
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#define WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM 22
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#define WLAN_STATUS_ASSOC_REJECTED_BAD_POWER 23
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#define WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN 24
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/* 802.11g */
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#define WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME 25
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|
|
|
#define WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM 26
|
|
|
|
/* 802.11i */
|
|
|
|
#define WLAN_STATUS_INVALID_IE 40
|
|
|
|
#define WLAN_STATUS_INVALID_GROUP_CIPHER 41
|
|
|
|
#define WLAN_STATUS_INVALID_PAIRWISE_CIPHER 42
|
|
|
|
#define WLAN_STATUS_INVALID_AKMP 43
|
|
|
|
#define WLAN_STATUS_UNSUPP_RSN_VERSION 44
|
|
|
|
#define WLAN_STATUS_INVALID_RSN_IE_CAP 45
|
|
|
|
#define WLAN_STATUS_CIPHER_SUITE_REJECTED 46
|
2005-05-13 10:48:20 +08:00
|
|
|
|
|
|
|
/* Reason codes */
|
|
|
|
#define WLAN_REASON_UNSPECIFIED 1
|
|
|
|
#define WLAN_REASON_PREV_AUTH_NOT_VALID 2
|
|
|
|
#define WLAN_REASON_DEAUTH_LEAVING 3
|
|
|
|
#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
|
|
|
|
#define WLAN_REASON_DISASSOC_AP_BUSY 5
|
|
|
|
#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
|
|
|
|
#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
|
|
|
|
#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
|
|
|
|
#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
|
2005-08-26 08:11:46 +08:00
|
|
|
/* 802.11h */
|
|
|
|
#define WLAN_REASON_DISASSOC_BAD_POWER 10
|
|
|
|
#define WLAN_REASON_DISASSOC_BAD_SUPP_CHAN 11
|
|
|
|
/* 802.11i */
|
|
|
|
#define WLAN_REASON_INVALID_IE 13
|
|
|
|
#define WLAN_REASON_MIC_FAILURE 14
|
|
|
|
#define WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT 15
|
|
|
|
#define WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT 16
|
|
|
|
#define WLAN_REASON_IE_DIFFERENT 17
|
|
|
|
#define WLAN_REASON_INVALID_GROUP_CIPHER 18
|
|
|
|
#define WLAN_REASON_INVALID_PAIRWISE_CIPHER 19
|
|
|
|
#define WLAN_REASON_INVALID_AKMP 20
|
|
|
|
#define WLAN_REASON_UNSUPP_RSN_VERSION 21
|
|
|
|
#define WLAN_REASON_INVALID_RSN_IE_CAP 22
|
|
|
|
#define WLAN_REASON_IEEE8021X_FAILED 23
|
|
|
|
#define WLAN_REASON_CIPHER_SUITE_REJECTED 24
|
2005-05-13 10:48:20 +08:00
|
|
|
|
|
|
|
|
|
|
|
#define IEEE80211_STATMASK_SIGNAL (1<<0)
|
|
|
|
#define IEEE80211_STATMASK_RSSI (1<<1)
|
|
|
|
#define IEEE80211_STATMASK_NOISE (1<<2)
|
|
|
|
#define IEEE80211_STATMASK_RATE (1<<3)
|
|
|
|
#define IEEE80211_STATMASK_WEMASK 0x7
|
|
|
|
|
|
|
|
|
|
|
|
#define IEEE80211_CCK_MODULATION (1<<0)
|
|
|
|
#define IEEE80211_OFDM_MODULATION (1<<1)
|
|
|
|
|
|
|
|
#define IEEE80211_24GHZ_BAND (1<<0)
|
|
|
|
#define IEEE80211_52GHZ_BAND (1<<1)
|
|
|
|
|
|
|
|
#define IEEE80211_CCK_RATE_1MB 0x02
|
|
|
|
#define IEEE80211_CCK_RATE_2MB 0x04
|
|
|
|
#define IEEE80211_CCK_RATE_5MB 0x0B
|
|
|
|
#define IEEE80211_CCK_RATE_11MB 0x16
|
|
|
|
#define IEEE80211_OFDM_RATE_6MB 0x0C
|
|
|
|
#define IEEE80211_OFDM_RATE_9MB 0x12
|
|
|
|
#define IEEE80211_OFDM_RATE_12MB 0x18
|
|
|
|
#define IEEE80211_OFDM_RATE_18MB 0x24
|
|
|
|
#define IEEE80211_OFDM_RATE_24MB 0x30
|
|
|
|
#define IEEE80211_OFDM_RATE_36MB 0x48
|
|
|
|
#define IEEE80211_OFDM_RATE_48MB 0x60
|
|
|
|
#define IEEE80211_OFDM_RATE_54MB 0x6C
|
|
|
|
#define IEEE80211_BASIC_RATE_MASK 0x80
|
|
|
|
|
|
|
|
#define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
|
|
|
|
#define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
|
|
|
|
#define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
|
|
|
|
#define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
|
|
|
|
#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
|
|
|
|
#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
|
|
|
|
#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
|
|
|
|
#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
|
|
|
|
#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
|
|
|
|
#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
|
|
|
|
#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
|
|
|
|
#define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
|
|
|
|
|
|
|
|
#define IEEE80211_CCK_RATES_MASK 0x0000000F
|
|
|
|
#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
|
|
|
|
IEEE80211_CCK_RATE_2MB_MASK)
|
|
|
|
#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
|
|
|
|
IEEE80211_CCK_RATE_5MB_MASK | \
|
|
|
|
IEEE80211_CCK_RATE_11MB_MASK)
|
|
|
|
|
|
|
|
#define IEEE80211_OFDM_RATES_MASK 0x00000FF0
|
|
|
|
#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
|
|
|
|
IEEE80211_OFDM_RATE_12MB_MASK | \
|
|
|
|
IEEE80211_OFDM_RATE_24MB_MASK)
|
|
|
|
#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
|
|
|
|
IEEE80211_OFDM_RATE_9MB_MASK | \
|
|
|
|
IEEE80211_OFDM_RATE_18MB_MASK | \
|
|
|
|
IEEE80211_OFDM_RATE_36MB_MASK | \
|
|
|
|
IEEE80211_OFDM_RATE_48MB_MASK | \
|
|
|
|
IEEE80211_OFDM_RATE_54MB_MASK)
|
|
|
|
#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
|
|
|
|
IEEE80211_CCK_DEFAULT_RATES_MASK)
|
|
|
|
|
|
|
|
#define IEEE80211_NUM_OFDM_RATES 8
|
|
|
|
#define IEEE80211_NUM_CCK_RATES 4
|
|
|
|
#define IEEE80211_OFDM_SHIFT_MASK_A 4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* NOTE: This data is for statistical purposes; not all hardware provides this
|
|
|
|
* information for frames received. Not setting these will not cause
|
|
|
|
* any adverse affects. */
|
|
|
|
struct ieee80211_rx_stats {
|
|
|
|
u32 mac_time;
|
|
|
|
s8 rssi;
|
|
|
|
u8 signal;
|
|
|
|
u8 noise;
|
|
|
|
u16 rate; /* in 100 kbps */
|
|
|
|
u8 received_channel;
|
|
|
|
u8 control;
|
|
|
|
u8 mask;
|
|
|
|
u8 freq;
|
|
|
|
u16 len;
|
|
|
|
};
|
|
|
|
|
|
|
|
/* IEEE 802.11 requires that STA supports concurrent reception of at least
|
|
|
|
* three fragmented frames. This define can be increased to support more
|
|
|
|
* concurrent frames, but it should be noted that each entry can consume about
|
|
|
|
* 2 kB of RAM and increasing cache size will slow down frame reassembly. */
|
|
|
|
#define IEEE80211_FRAG_CACHE_LEN 4
|
|
|
|
|
|
|
|
struct ieee80211_frag_entry {
|
|
|
|
unsigned long first_frag_time;
|
|
|
|
unsigned int seq;
|
|
|
|
unsigned int last_frag;
|
|
|
|
struct sk_buff *skb;
|
|
|
|
u8 src_addr[ETH_ALEN];
|
|
|
|
u8 dst_addr[ETH_ALEN];
|
|
|
|
};
|
|
|
|
|
|
|
|
struct ieee80211_stats {
|
|
|
|
unsigned int tx_unicast_frames;
|
|
|
|
unsigned int tx_multicast_frames;
|
|
|
|
unsigned int tx_fragments;
|
|
|
|
unsigned int tx_unicast_octets;
|
|
|
|
unsigned int tx_multicast_octets;
|
|
|
|
unsigned int tx_deferred_transmissions;
|
|
|
|
unsigned int tx_single_retry_frames;
|
|
|
|
unsigned int tx_multiple_retry_frames;
|
|
|
|
unsigned int tx_retry_limit_exceeded;
|
|
|
|
unsigned int tx_discards;
|
|
|
|
unsigned int rx_unicast_frames;
|
|
|
|
unsigned int rx_multicast_frames;
|
|
|
|
unsigned int rx_fragments;
|
|
|
|
unsigned int rx_unicast_octets;
|
|
|
|
unsigned int rx_multicast_octets;
|
|
|
|
unsigned int rx_fcs_errors;
|
|
|
|
unsigned int rx_discards_no_buffer;
|
|
|
|
unsigned int tx_discards_wrong_sa;
|
|
|
|
unsigned int rx_discards_undecryptable;
|
|
|
|
unsigned int rx_message_in_msg_fragments;
|
|
|
|
unsigned int rx_message_in_bad_msg_fragments;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct ieee80211_device;
|
|
|
|
|
|
|
|
#include "ieee80211_crypt.h"
|
|
|
|
|
|
|
|
#define SEC_KEY_1 (1<<0)
|
|
|
|
#define SEC_KEY_2 (1<<1)
|
|
|
|
#define SEC_KEY_3 (1<<2)
|
|
|
|
#define SEC_KEY_4 (1<<3)
|
|
|
|
#define SEC_ACTIVE_KEY (1<<4)
|
|
|
|
#define SEC_AUTH_MODE (1<<5)
|
|
|
|
#define SEC_UNICAST_GROUP (1<<6)
|
|
|
|
#define SEC_LEVEL (1<<7)
|
|
|
|
#define SEC_ENABLED (1<<8)
|
|
|
|
|
|
|
|
#define SEC_LEVEL_0 0 /* None */
|
|
|
|
#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
|
|
|
|
#define SEC_LEVEL_2 2 /* Level 1 + TKIP */
|
|
|
|
#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
|
|
|
|
#define SEC_LEVEL_3 4 /* Level 2 + CCMP */
|
|
|
|
|
|
|
|
#define WEP_KEYS 4
|
|
|
|
#define WEP_KEY_LEN 13
|
|
|
|
|
|
|
|
struct ieee80211_security {
|
|
|
|
u16 active_key:2,
|
|
|
|
enabled:1,
|
|
|
|
auth_mode:2,
|
|
|
|
auth_algo:4,
|
|
|
|
unicast_uses_group:1;
|
|
|
|
u8 key_sizes[WEP_KEYS];
|
|
|
|
u8 keys[WEP_KEYS][WEP_KEY_LEN];
|
|
|
|
u8 level;
|
|
|
|
u16 flags;
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
|
|
|
802.11 data frame from AP
|
|
|
|
|
|
|
|
,-------------------------------------------------------------------.
|
|
|
|
Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
|
|
|
|
|------|------|---------|---------|---------|------|---------|------|
|
|
|
|
Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
|
|
|
|
| | tion | (BSSID) | | | ence | data | |
|
|
|
|
`-------------------------------------------------------------------'
|
|
|
|
|
|
|
|
Total: 28-2340 bytes
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define BEACON_PROBE_SSID_ID_POSITION 12
|
|
|
|
|
|
|
|
/* Management Frame Information Element Types */
|
2005-08-26 08:11:46 +08:00
|
|
|
#define MFIE_TYPE_SSID 0
|
|
|
|
#define MFIE_TYPE_RATES 1
|
|
|
|
#define MFIE_TYPE_FH_SET 2
|
|
|
|
#define MFIE_TYPE_DS_SET 3
|
|
|
|
#define MFIE_TYPE_CF_SET 4
|
|
|
|
#define MFIE_TYPE_TIM 5
|
|
|
|
#define MFIE_TYPE_IBSS_SET 6
|
|
|
|
#define MFIE_TYPE_COUNTRY 7
|
|
|
|
#define MFIE_TYPE_HOP_PARAMS 8
|
|
|
|
#define MFIE_TYPE_HOP_TABLE 9
|
|
|
|
#define MFIE_TYPE_REQUEST 10
|
|
|
|
#define MFIE_TYPE_CHALLENGE 16
|
|
|
|
#define MFIE_TYPE_POWER_CONSTRAINT 32
|
|
|
|
#define MFIE_TYPE_POWER_CAPABILITY 33
|
|
|
|
#define MFIE_TYPE_TPC_REQUEST 34
|
|
|
|
#define MFIE_TYPE_TPC_REPORT 35
|
|
|
|
#define MFIE_TYPE_SUPP_CHANNELS 36
|
|
|
|
#define MFIE_TYPE_CSA 37
|
|
|
|
#define MFIE_TYPE_MEASURE_REQUEST 38
|
|
|
|
#define MFIE_TYPE_MEASURE_REPORT 39
|
|
|
|
#define MFIE_TYPE_QUIET 40
|
|
|
|
#define MFIE_TYPE_IBSS_DFS 41
|
|
|
|
#define MFIE_TYPE_ERP_INFO 42
|
|
|
|
#define MFIE_TYPE_RSN 48
|
|
|
|
#define MFIE_TYPE_RATES_EX 50
|
|
|
|
#define MFIE_TYPE_GENERIC 221
|
2005-05-13 10:48:20 +08:00
|
|
|
|
|
|
|
struct ieee80211_info_element_hdr {
|
|
|
|
u8 id;
|
|
|
|
u8 len;
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
|
|
struct ieee80211_info_element {
|
|
|
|
u8 id;
|
|
|
|
u8 len;
|
|
|
|
u8 data[0];
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* These are the data types that can make up management packets
|
|
|
|
*
|
|
|
|
u16 auth_algorithm;
|
|
|
|
u16 auth_sequence;
|
|
|
|
u16 beacon_interval;
|
|
|
|
u16 capability;
|
|
|
|
u8 current_ap[ETH_ALEN];
|
|
|
|
u16 listen_interval;
|
|
|
|
struct {
|
|
|
|
u16 association_id:14, reserved:2;
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
u32 time_stamp[2];
|
|
|
|
u16 reason;
|
|
|
|
u16 status;
|
|
|
|
*/
|
|
|
|
|
|
|
|
struct ieee80211_authentication {
|
2005-05-24 21:10:18 +08:00
|
|
|
struct ieee80211_hdr_3addr header;
|
2005-05-13 10:48:20 +08:00
|
|
|
u16 algorithm;
|
|
|
|
u16 transaction;
|
|
|
|
u16 status;
|
|
|
|
struct ieee80211_info_element info_element;
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
|
|
|
|
|
|
struct ieee80211_probe_response {
|
2005-05-24 21:10:18 +08:00
|
|
|
struct ieee80211_hdr_3addr header;
|
2005-05-13 10:48:20 +08:00
|
|
|
u32 time_stamp[2];
|
|
|
|
u16 beacon_interval;
|
|
|
|
u16 capability;
|
|
|
|
struct ieee80211_info_element info_element;
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
|
|
struct ieee80211_assoc_request_frame {
|
|
|
|
u16 capability;
|
|
|
|
u16 listen_interval;
|
|
|
|
u8 current_ap[ETH_ALEN];
|
|
|
|
struct ieee80211_info_element info_element;
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
|
|
struct ieee80211_assoc_response_frame {
|
|
|
|
struct ieee80211_hdr_3addr header;
|
|
|
|
u16 capability;
|
|
|
|
u16 status;
|
|
|
|
u16 aid;
|
|
|
|
struct ieee80211_info_element info_element; /* supported rates */
|
|
|
|
} __attribute__ ((packed));
|
|
|
|
|
|
|
|
|
|
|
|
struct ieee80211_txb {
|
|
|
|
u8 nr_frags;
|
|
|
|
u8 encrypted;
|
|
|
|
u16 reserved;
|
|
|
|
u16 frag_size;
|
|
|
|
u16 payload_size;
|
|
|
|
struct sk_buff *fragments[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/* SWEEP TABLE ENTRIES NUMBER*/
|
|
|
|
#define MAX_SWEEP_TAB_ENTRIES 42
|
|
|
|
#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
|
|
|
|
/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
|
|
|
|
* only use 8, and then use extended rates for the remaining supported
|
|
|
|
* rates. Other APs, however, stick all of their supported rates on the
|
|
|
|
* main rates information element... */
|
|
|
|
#define MAX_RATES_LENGTH ((u8)12)
|
|
|
|
#define MAX_RATES_EX_LENGTH ((u8)16)
|
|
|
|
#define MAX_NETWORK_COUNT 128
|
|
|
|
|
|
|
|
#define CRC_LENGTH 4U
|
|
|
|
|
|
|
|
#define MAX_WPA_IE_LEN 64
|
|
|
|
|
|
|
|
#define NETWORK_EMPTY_ESSID (1<<0)
|
|
|
|
#define NETWORK_HAS_OFDM (1<<1)
|
|
|
|
#define NETWORK_HAS_CCK (1<<2)
|
|
|
|
|
|
|
|
struct ieee80211_network {
|
|
|
|
/* These entries are used to identify a unique network */
|
|
|
|
u8 bssid[ETH_ALEN];
|
|
|
|
u8 channel;
|
|
|
|
/* Ensure null-terminated for any debug msgs */
|
|
|
|
u8 ssid[IW_ESSID_MAX_SIZE + 1];
|
|
|
|
u8 ssid_len;
|
|
|
|
|
|
|
|
/* These are network statistics */
|
|
|
|
struct ieee80211_rx_stats stats;
|
|
|
|
u16 capability;
|
|
|
|
u8 rates[MAX_RATES_LENGTH];
|
|
|
|
u8 rates_len;
|
|
|
|
u8 rates_ex[MAX_RATES_EX_LENGTH];
|
|
|
|
u8 rates_ex_len;
|
|
|
|
unsigned long last_scanned;
|
|
|
|
u8 mode;
|
|
|
|
u8 flags;
|
|
|
|
u32 last_associate;
|
|
|
|
u32 time_stamp[2];
|
|
|
|
u16 beacon_interval;
|
|
|
|
u16 listen_interval;
|
|
|
|
u16 atim_window;
|
|
|
|
u8 wpa_ie[MAX_WPA_IE_LEN];
|
|
|
|
size_t wpa_ie_len;
|
|
|
|
u8 rsn_ie[MAX_WPA_IE_LEN];
|
|
|
|
size_t rsn_ie_len;
|
|
|
|
struct list_head list;
|
|
|
|
};
|
|
|
|
|
|
|
|
enum ieee80211_state {
|
|
|
|
IEEE80211_UNINITIALIZED = 0,
|
|
|
|
IEEE80211_INITIALIZED,
|
|
|
|
IEEE80211_ASSOCIATING,
|
|
|
|
IEEE80211_ASSOCIATED,
|
|
|
|
IEEE80211_AUTHENTICATING,
|
|
|
|
IEEE80211_AUTHENTICATED,
|
|
|
|
IEEE80211_SHUTDOWN
|
|
|
|
};
|
|
|
|
|
|
|
|
#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
|
|
|
|
#define DEFAULT_FTS 2346
|
|
|
|
|
|
|
|
|
|
|
|
#define CFG_IEEE80211_RESERVE_FCS (1<<0)
|
|
|
|
#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
|
|
|
|
|
|
|
|
struct ieee80211_device {
|
|
|
|
struct net_device *dev;
|
|
|
|
|
|
|
|
/* Bookkeeping structures */
|
|
|
|
struct net_device_stats stats;
|
|
|
|
struct ieee80211_stats ieee_stats;
|
|
|
|
|
|
|
|
/* Probe / Beacon management */
|
|
|
|
struct list_head network_free_list;
|
|
|
|
struct list_head network_list;
|
|
|
|
struct ieee80211_network *networks;
|
|
|
|
int scans;
|
|
|
|
int scan_age;
|
|
|
|
|
|
|
|
int iw_mode; /* operating mode (IW_MODE_*) */
|
|
|
|
|
|
|
|
spinlock_t lock;
|
|
|
|
|
|
|
|
int tx_headroom; /* Set to size of any additional room needed at front
|
|
|
|
* of allocated Tx SKBs */
|
|
|
|
u32 config;
|
|
|
|
|
|
|
|
/* WEP and other encryption related settings at the device level */
|
|
|
|
int open_wep; /* Set to 1 to allow unencrypted frames */
|
|
|
|
|
|
|
|
int reset_on_keychange; /* Set to 1 if the HW needs to be reset on
|
|
|
|
* WEP key changes */
|
|
|
|
|
|
|
|
/* If the host performs {en,de}cryption, then set to 1 */
|
|
|
|
int host_encrypt;
|
|
|
|
int host_decrypt;
|
|
|
|
int ieee802_1x; /* is IEEE 802.1X used */
|
|
|
|
|
|
|
|
/* WPA data */
|
|
|
|
int wpa_enabled;
|
|
|
|
int drop_unencrypted;
|
|
|
|
int tkip_countermeasures;
|
|
|
|
int privacy_invoked;
|
|
|
|
size_t wpa_ie_len;
|
|
|
|
u8 *wpa_ie;
|
|
|
|
|
|
|
|
struct list_head crypt_deinit_list;
|
|
|
|
struct ieee80211_crypt_data *crypt[WEP_KEYS];
|
|
|
|
int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */
|
|
|
|
struct timer_list crypt_deinit_timer;
|
|
|
|
|
|
|
|
int bcrx_sta_key; /* use individual keys to override default keys even
|
|
|
|
* with RX of broad/multicast frames */
|
|
|
|
|
|
|
|
/* Fragmentation structures */
|
|
|
|
struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN];
|
|
|
|
unsigned int frag_next_idx;
|
|
|
|
u16 fts; /* Fragmentation Threshold */
|
|
|
|
|
|
|
|
/* Association info */
|
|
|
|
u8 bssid[ETH_ALEN];
|
|
|
|
|
|
|
|
enum ieee80211_state state;
|
|
|
|
|
|
|
|
int mode; /* A, B, G */
|
|
|
|
int modulation; /* CCK, OFDM */
|
|
|
|
int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */
|
|
|
|
int abg_ture; /* ABG flag */
|
|
|
|
|
|
|
|
/* Callback functions */
|
|
|
|
void (*set_security)(struct net_device *dev,
|
|
|
|
struct ieee80211_security *sec);
|
|
|
|
int (*hard_start_xmit)(struct ieee80211_txb *txb,
|
|
|
|
struct net_device *dev);
|
|
|
|
int (*reset_port)(struct net_device *dev);
|
|
|
|
|
|
|
|
/* This must be the last item so that it points to the data
|
|
|
|
* allocated beyond this structure by alloc_ieee80211 */
|
|
|
|
u8 priv[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
#define IEEE_A (1<<0)
|
|
|
|
#define IEEE_B (1<<1)
|
|
|
|
#define IEEE_G (1<<2)
|
|
|
|
#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
|
|
|
|
|
|
|
|
extern inline void *ieee80211_priv(struct net_device *dev)
|
|
|
|
{
|
|
|
|
return ((struct ieee80211_device *)netdev_priv(dev))->priv;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
|
|
|
|
{
|
|
|
|
/* Single white space is for Linksys APs */
|
|
|
|
if (essid_len == 1 && essid[0] == ' ')
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
/* Otherwise, if the entire essid is 0, we assume it is hidden */
|
|
|
|
while (essid_len) {
|
|
|
|
essid_len--;
|
|
|
|
if (essid[essid_len] != '\0')
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* It is possible for both access points and our device to support
|
|
|
|
* combinations of modes, so as long as there is one valid combination
|
|
|
|
* of ap/device supported modes, then return success
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
if ((mode & IEEE_A) &&
|
|
|
|
(ieee->modulation & IEEE80211_OFDM_MODULATION) &&
|
|
|
|
(ieee->freq_band & IEEE80211_52GHZ_BAND))
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
if ((mode & IEEE_G) &&
|
|
|
|
(ieee->modulation & IEEE80211_OFDM_MODULATION) &&
|
|
|
|
(ieee->freq_band & IEEE80211_24GHZ_BAND))
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
if ((mode & IEEE_B) &&
|
|
|
|
(ieee->modulation & IEEE80211_CCK_MODULATION) &&
|
|
|
|
(ieee->freq_band & IEEE80211_24GHZ_BAND))
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern inline int ieee80211_get_hdrlen(u16 fc)
|
|
|
|
{
|
2005-05-24 21:10:18 +08:00
|
|
|
int hdrlen = IEEE80211_3ADDR_LEN;
|
2005-05-13 10:48:20 +08:00
|
|
|
|
|
|
|
switch (WLAN_FC_GET_TYPE(fc)) {
|
|
|
|
case IEEE80211_FTYPE_DATA:
|
|
|
|
if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
|
2005-05-24 21:10:18 +08:00
|
|
|
hdrlen = IEEE80211_4ADDR_LEN;
|
2005-05-13 10:48:20 +08:00
|
|
|
break;
|
|
|
|
case IEEE80211_FTYPE_CTL:
|
|
|
|
switch (WLAN_FC_GET_STYPE(fc)) {
|
|
|
|
case IEEE80211_STYPE_CTS:
|
|
|
|
case IEEE80211_STYPE_ACK:
|
2005-05-24 21:10:18 +08:00
|
|
|
hdrlen = IEEE80211_1ADDR_LEN;
|
2005-05-13 10:48:20 +08:00
|
|
|
break;
|
|
|
|
default:
|
2005-05-24 21:10:18 +08:00
|
|
|
hdrlen = IEEE80211_2ADDR_LEN;
|
2005-05-13 10:48:20 +08:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return hdrlen;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ieee80211.c */
|
|
|
|
extern void free_ieee80211(struct net_device *dev);
|
|
|
|
extern struct net_device *alloc_ieee80211(int sizeof_priv);
|
|
|
|
|
|
|
|
extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
|
|
|
|
|
|
|
|
/* ieee80211_tx.c */
|
|
|
|
|
|
|
|
|
|
|
|
extern int ieee80211_xmit(struct sk_buff *skb,
|
|
|
|
struct net_device *dev);
|
|
|
|
extern void ieee80211_txb_free(struct ieee80211_txb *);
|
|
|
|
|
|
|
|
|
|
|
|
/* ieee80211_rx.c */
|
|
|
|
extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
|
|
|
|
struct ieee80211_rx_stats *rx_stats);
|
|
|
|
extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
|
|
|
|
struct ieee80211_hdr *header,
|
|
|
|
struct ieee80211_rx_stats *stats);
|
|
|
|
|
|
|
|
/* iee80211_wx.c */
|
|
|
|
extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
|
|
|
|
struct iw_request_info *info,
|
|
|
|
union iwreq_data *wrqu, char *key);
|
|
|
|
extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
|
|
|
|
struct iw_request_info *info,
|
|
|
|
union iwreq_data *wrqu, char *key);
|
|
|
|
extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
|
|
|
|
struct iw_request_info *info,
|
|
|
|
union iwreq_data *wrqu, char *key);
|
|
|
|
|
|
|
|
|
|
|
|
extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
|
|
|
|
{
|
|
|
|
ieee->scans++;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
|
|
|
|
{
|
|
|
|
return ieee->scans;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#endif /* IEEE80211_H */
|