bring over ieee80211.h from mainline
Subsystems (2)
PATCH 1/9 bring over ieee80211.h from mainline
the prototypes and inlines aren't actually needed, but let's not diverge from -mm too far.
include/net/ieee80211.h new file +882 -0
@@ -0,0 +1,882 @@ +/* +* Merged with mainline ieee80211.h in Aug 2004. Original ieee802_11 +* remains copyright by the original authors +* +* Portions of the merged code are based on Host AP (software wireless +* LAN access point) driver for Intersil Prism2/2.5/3. +* +* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen +* <[email protected]> +* Copyright (c) 2002-2003, Jouni Malinen <[email protected]> +* +* Adaption to a generic IEEE 802.11 stack by James Ketrenos +* <[email protected]> +* Copyright (c) 2004, Intel Corporation +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 as +* published by the Free Software Foundation. See README and COPYING for +* more details. +*/ +#ifndef IEEE80211_H +#define IEEE80211_H + +#include <linux/if_ether.h> /* ETH_ALEN */ +#include <linux/kernel.h> /* ARRAY_SIZE */ + +#if WIRELESS_EXT <17 +#define IW_QUAL_QUAL_INVALID 0x10 +#define IW_QUAL_LEVEL_INVALID 0x20 +#define IW_QUAL_NOISE_INVALID 0x40 +#define IW_QUAL_QUAL_UPDATED 0x1 +#define IW_QUAL_LEVEL_UPDATED 0x2 +#define IW_QUAL_NOISE_UPDATED 0x4 +#endif + +#define IEEE80211_DATA_LEN 2304 +/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section +6.2.1.1.2. + +The figure in section 7.1.2 suggests a body size of up to 2312 +bytes is allowed, which is a bit confusing, I suspect this +represents the 2304 bytes of real data, plus a possible 8 bytes of +WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ + + +#define IEEE80211_HLEN 30 +#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) + +struct ieee80211_hdr { +u16 frame_ctl; +u16 duration_id; +u8 addr1[ETH_ALEN ]; +u8 addr2[ETH_ALEN ]; +u8 addr3[ETH_ALEN ]; +u16 seq_ctl; +u8 addr4[ETH_ALEN ]; +} __attribute__ ((packed)); + +struct ieee80211_hdr_3addr { +u16 frame_ctl; +u16 duration_id; +u8 addr1[ETH_ALEN ]; +u8 addr2[ETH_ALEN ]; +u8 addr3[ETH_ALEN ]; +u16 seq_ctl; +} __attribute__ ((packed)); + +enum eap_type { +EAP_PACKET =0 , +EAPOL_START , +EAPOL_LOGOFF , +EAPOL_KEY , +EAPOL_ENCAP_ASF_ALERT +}; + +static const char *eap_types[] = { + [EAP_PACKET ] ="EAP-Packet" , + [EAPOL_START ] ="EAPOL-Start" , + [EAPOL_LOGOFF ] ="EAPOL-Logoff" , + [EAPOL_KEY ] ="EAPOL-Key" , + [EAPOL_ENCAP_ASF_ALERT ] ="EAPOL-Encap-ASF-Alert" +}; + +static inline const char *eap_get_type (int type) +{ +return (type >=ARRAY_SIZE (eap_types)) ?"Unknown" : eap_types[type]; +} + +struct eapol { +u8 snap[6 ]; +u16 ethertype; +u8 version; +u8 type; +u16 length; +} __attribute__ ((packed)); + +#define IEEE80211_3ADDR_LEN 24 +#define IEEE80211_4ADDR_LEN 30 +#define IEEE80211_FCS_LEN 4 + +#define MIN_FRAG_THRESHOLD 256U +#define MAX_FRAG_THRESHOLD 2346U + +/* Frame control field constants */ +#define IEEE80211_FCTL_VERS 0x0002 +#define IEEE80211_FCTL_FTYPE 0x000c +#define IEEE80211_FCTL_STYPE 0x00f0 +#define IEEE80211_FCTL_TODS 0x0100 +#define IEEE80211_FCTL_FROMDS 0x0200 +#define IEEE80211_FCTL_MOREFRAGS 0x0400 +#define IEEE80211_FCTL_RETRY 0x0800 +#define IEEE80211_FCTL_PM 0x1000 +#define IEEE80211_FCTL_MOREDATA 0x2000 +#define IEEE80211_FCTL_WEP 0x4000 +#define IEEE80211_FCTL_ORDER 0x8000 + +#define IEEE80211_FTYPE_MGMT 0x0000 +#define IEEE80211_FTYPE_CTL 0x0004 +#define IEEE80211_FTYPE_DATA 0x0008 + +/* management */ +#define IEEE80211_STYPE_ASSOC_REQ 0x0000 +#define IEEE80211_STYPE_ASSOC_RESP 0x0010 +#define IEEE80211_STYPE_REASSOC_REQ 0x0020 +#define IEEE80211_STYPE_REASSOC_RESP 0x0030 +#define IEEE80211_STYPE_PROBE_REQ 0x0040 +#define IEEE80211_STYPE_PROBE_RESP 0x0050 +#define IEEE80211_STYPE_BEACON 0x0080 +#define IEEE80211_STYPE_ATIM 0x0090 +#define IEEE80211_STYPE_DISASSOC 0x00A0 +#define IEEE80211_STYPE_AUTH 0x00B0 +#define IEEE80211_STYPE_DEAUTH 0x00C0 + +/* control */ +#define IEEE80211_STYPE_PSPOLL 0x00A0 +#define IEEE80211_STYPE_RTS 0x00B0 +#define IEEE80211_STYPE_CTS 0x00C0 +#define IEEE80211_STYPE_ACK 0x00D0 +#define IEEE80211_STYPE_CFEND 0x00E0 +#define IEEE80211_STYPE_CFENDACK 0x00F0 + +/* data */ +#define IEEE80211_STYPE_DATA 0x0000 +#define IEEE80211_STYPE_DATA_CFACK 0x0010 +#define IEEE80211_STYPE_DATA_CFPOLL 0x0020 +#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 +#define IEEE80211_STYPE_NULLFUNC 0x0040 +#define IEEE80211_STYPE_CFACK 0x0050 +#define IEEE80211_STYPE_CFPOLL 0x0060 +#define IEEE80211_STYPE_CFACKPOLL 0x0070 + +#define IEEE80211_SCTL_FRAG 0x000F +#define IEEE80211_SCTL_SEQ 0xFFF0 + + +/* debug macros */ + +#ifdef CONFIG_IEEE80211_DEBUG +extern u32 ieee80211_debug_level; +#define IEEE80211_DEBUG(level, fmt, args...) \ +do { if (ieee80211_debug_level & (level)) \ + printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ + in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) +#else +#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) +#endif /* CONFIG_IEEE80211_DEBUG */ + +/* +* To use the debug system; +* +* If you are defining a new debug classification, simply add it to the #define +* list here in the form of: +* +* #define IEEE80211_DL_xxxx VALUE +* +* shifting value to the left one bit from the previous entry. xxxx should be +* the name of the classification (for example, WEP) +* +* You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your +* classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want +* to send output to that classification. +* +* To add your debug level to the list of levels seen when you perform +* +* % cat /proc/net/ipw/debug_level +* +* you simply need to add your entry to the ipw_debug_levels array. +* +* If you do not see debug_level in /proc/net/ipw then you do not have +* CONFIG_IEEE80211_DEBUG defined in your kernel configuration +* +*/ + +#define IEEE80211_DL_INFO (1<<0) +#define IEEE80211_DL_WX (1<<1) +#define IEEE80211_DL_SCAN (1<<2) +#define IEEE80211_DL_STATE (1<<3) +#define IEEE80211_DL_MGMT (1<<4) +#define IEEE80211_DL_FRAG (1<<5) +#define IEEE80211_DL_EAP (1<<6) +#define IEEE80211_DL_DROP (1<<7) + +#define IEEE80211_DL_TX (1<<8) +#define IEEE80211_DL_RX (1<<9) + +#define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a) +#define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a) +#define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a) + +#define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a) +#define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a) +#define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a) +#define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a) +#define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a) +#define IEEE80211_DEBUG_EAP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a) +#define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a) +#define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a) +#define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a) +#include <linux/netdevice.h> +#include <linux/wireless.h> +#include <linux/if_arp.h> /* ARPHRD_ETHER */ + +#ifndef WIRELESS_SPY +#define WIRELESS_SPY // enable iwspy support +#endif +#include <net/iw_handler.h> // new driver API + +#ifndef ETH_P_PAE +#define ETH_P_PAE 0x888E/* Port Access Entity (IEEE 802.1X) */ +#endif /* ETH_P_PAE */ + +#define ETH_P_PREAUTH 0x88C7/* IEEE 802.11i pre-authentication */ + +#ifndef ETH_P_80211_RAW +#define ETH_P_80211_RAW (ETH_P_ECONET + 1) +#endif + +/* IEEE 802.11 defines */ + +#define P80211_OUI_LEN 3 + +struct ieee80211_snap_hdr { + +u8 dsap;/* always 0xAA */ +u8 ssap;/* always 0xAA */ +u8 ctrl;/* always 0x03 */ +u8 oui[P80211_OUI_LEN ];/* organizational universal id */ + +} __attribute__ ((packed)); + +#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) + +#define WLAN_FC_GET_TYPE (fc) ((fc) & IEEE80211_FCTL_FTYPE) +#define WLAN_FC_GET_STYPE (fc) ((fc) & IEEE80211_FCTL_STYPE) + +#define WLAN_GET_SEQ_FRAG (seq) ((seq) & IEEE80211_SCTL_FRAG) +#define WLAN_GET_SEQ_SEQ (seq) ((seq) & IEEE80211_SCTL_SEQ) + +/* Authentication algorithms */ +#define WLAN_AUTH_OPEN 0 +#define WLAN_AUTH_SHARED_KEY 1 + +#define WLAN_AUTH_CHALLENGE_LEN 128 + +#define WLAN_CAPABILITY_BSS (1<<0) +#define WLAN_CAPABILITY_IBSS (1<<1) +#define WLAN_CAPABILITY_CF_POLLABLE (1<<2) +#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) +#define WLAN_CAPABILITY_PRIVACY (1<<4) +#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) +#define WLAN_CAPABILITY_PBCC (1<<6) +#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) + +/* Status codes */ +#define WLAN_STATUS_SUCCESS 0 +#define WLAN_STATUS_UNSPECIFIED_FAILURE 1 +#define WLAN_STATUS_CAPS_UNSUPPORTED 10 +#define WLAN_STATUS_REASSOC_NO_ASSOC 11 +#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12 +#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13 +#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14 +#define WLAN_STATUS_CHALLENGE_FAIL 15 +#define WLAN_STATUS_AUTH_TIMEOUT 16 +#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17 +#define WLAN_STATUS_ASSOC_DENIED_RATES 18 +/* 802.11b */ +#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19 +#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20 +#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21 + +/* 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 + + +/* Information Element IDs */ +#define WLAN_EID_SSID 0 +#define WLAN_EID_SUPP_RATES 1 +#define WLAN_EID_FH_PARAMS 2 +#define WLAN_EID_DS_PARAMS 3 +#define WLAN_EID_CF_PARAMS 4 +#define WLAN_EID_TIM 5 +#define WLAN_EID_IBSS_PARAMS 6 +#define WLAN_EID_CHALLENGE 16 +#define WLAN_EID_RSN 48 +#define WLAN_EID_GENERIC 221 + +#define IEEE80211_MGMT_HDR_LEN 24 +#define IEEE80211_DATA_HDR3_LEN 24 +#define IEEE80211_DATA_HDR4_LEN 30 + + +#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 ; + +#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 + +*/ + +struct ieee80211_header_data { +u16 frame_ctl; +u16 duration_id; +u8 addr1[6 ]; +u8 addr2[6 ]; +u8 addr3[6 ]; +u16 seq_ctrl; +}; + +#define BEACON_PROBE_SSID_ID_POSITION 12 + +/* Management Frame Information Element Types */ +#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_CHALLENGE 16 +#define MFIE_TYPE_RSN 48 +#define MFIE_TYPE_RATES_EX 50 +#define MFIE_TYPE_GENERIC 221 + +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 { +struct ieee80211_header_data header; +u16 algorithm; +u16 transaction; +u16 status; +struct ieee80211_info_element info_element; +} __attribute__ ((packed)); + + +struct ieee80211_probe_response { +struct ieee80211_header_data header; +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 MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" +#define MAC_ARG (x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5] + + +extern inline int is_broadcast_ether_addr (const u8 *addr) +{ +return ((addr[0 ] ==0xff ) && (addr[1 ] ==0xff ) && (addr[2 ] ==0xff ) && \ + (addr[3 ] ==0xff ) && (addr[4 ] ==0xff ) && (addr[5 ] ==0xff )); +} + +#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) +{ +int hdrlen =24 ; + +switch (WLAN_FC_GET_TYPE (fc)) { +case IEEE80211_FTYPE_DATA : +if ((fc &IEEE80211_FCTL_FROMDS ) && (fc &IEEE80211_FCTL_TODS )) + hdrlen =30 ;/* Addr4 */ +break ; +case IEEE80211_FTYPE_CTL : +switch (WLAN_FC_GET_STYPE (fc)) { +case IEEE80211_STYPE_CTS : +case IEEE80211_STYPE_ACK : + hdrlen =10 ; +break ; +default : + hdrlen =16 ; +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; +} + +static inline const char *escape_essid (const char *essid,u8 essid_len) { +static char escaped[IW_ESSID_MAX_SIZE *2 +1 ]; +const char *s = essid; +char *d = escaped; + +if (ieee80211_is_empty_essid (essid, essid_len)) { +memcpy (escaped,"<hidden>" ,sizeof ("<hidden>" )); +return escaped; + } + + essid_len =min (essid_len, (u8 )IW_ESSID_MAX_SIZE ); +while (essid_len--) { +if (*s =='\0' ) { + *d++ ='\\' ; + *d++ ='0' ; + s++; + }else { + *d++ = *s++; + } + } + *d ='\0' ; +return escaped; +} + +#endif /* IEEE80211_H */