diff options
Diffstat (limited to 'include/net/ieee80211.h')
| -rw-r--r-- | include/net/ieee80211.h | 1185 |
1 files changed, 0 insertions, 1185 deletions
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h deleted file mode 100644 index adb7cf31f78..00000000000 --- a/include/net/ieee80211.h +++ /dev/null @@ -1,1185 +0,0 @@ -/* - * 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 - * <j@w1.fi> - * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> - * - * Adaption to a generic IEEE 802.11 stack by James Ketrenos - * <jketreno@linux.intel.com> - * Copyright (c) 2004-2005, 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. - * - * API Version History - * 1.0.x -- Initial version - * 1.1.x -- Added radiotap, QoS, TIM, ieee80211_geo APIs, - * various structure changes, and crypto API init method - */ -#ifndef IEEE80211_H -#define IEEE80211_H -#include <linux/if_ether.h> /* ETH_ALEN */ -#include <linux/kernel.h> /* ARRAY_SIZE */ -#include <linux/wireless.h> -#include <linux/ieee80211.h> - -#include <net/lib80211.h> - -#define IEEE80211_VERSION "git-1.1.13" - -#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_1ADDR_LEN 10 -#define IEEE80211_2ADDR_LEN 16 -#define IEEE80211_3ADDR_LEN 24 -#define IEEE80211_4ADDR_LEN 30 -#define IEEE80211_FCS_LEN 4 -#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) -#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) - -#define MIN_FRAG_THRESHOLD 256U -#define MAX_FRAG_THRESHOLD 2346U - -/* Frame control field constants */ -#define IEEE80211_FCTL_VERS 0x0003 -#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_PROTECTED 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 -#define IEEE80211_STYPE_ACTION 0x00D0 - -/* 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_STYPE_QOS_DATA 0x0080 - -#define IEEE80211_SCTL_FRAG 0x000F -#define IEEE80211_SCTL_SEQ 0xFFF0 - -/* QOS control */ -#define IEEE80211_QCTL_TID 0x000F - -/* 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', __func__ , ## args); } while (0) -static inline bool ieee80211_ratelimit_debug(u32 level) -{ - return (ieee80211_debug_level & level) && net_ratelimit(); -} -#else -#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) -static inline bool ieee80211_ratelimit_debug(u32 level) -{ - return false; -} -#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/ieee80211/debug_level - * - * you simply need to add your entry to the ieee80211_debug_level array. - * - * If you do not see debug_level in /proc/net/ieee80211 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_DROP (1<<7) - -#define IEEE80211_DL_TX (1<<8) -#define IEEE80211_DL_RX (1<<9) -#define IEEE80211_DL_QOS (1<<31) - -#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_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) -#define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a) -#include <linux/netdevice.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 */ - -#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_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) -#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) >> 4) - -/* Action categories - 802.11h */ -enum ieee80211_actioncategories { - WLAN_ACTION_SPECTRUM_MGMT = 0, - /* Reserved 1-127 */ - /* Error 128-255 */ -}; - -/* Action details - 802.11h */ -enum ieee80211_actiondetails { - WLAN_ACTION_CATEGORY_MEASURE_REQUEST = 0, - WLAN_ACTION_CATEGORY_MEASURE_REPORT = 1, - WLAN_ACTION_CATEGORY_TPC_REQUEST = 2, - WLAN_ACTION_CATEGORY_TPC_REPORT = 3, - WLAN_ACTION_CATEGORY_CHANNEL_SWITCH = 4, - /* 5 - 255 Reserved */ -}; - -#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. - * For ieee80211_rx_mgt, you need to set at least the 'len' parameter. - */ -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; - u64 tsf; - u32 beacon_time; -}; - -/* 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_ENCRYPT (1<<9) - -#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 SEC_ALG_NONE 0 -#define SEC_ALG_WEP 1 -#define SEC_ALG_TKIP 2 -#define SEC_ALG_CCMP 3 - -#define WEP_KEYS 4 -#define WEP_KEY_LEN 13 -#define SCM_KEY_LEN 32 -#define SCM_TEMPORAL_KEY_LENGTH 16 - -struct ieee80211_security { - u16 active_key:2, enabled:1, unicast_uses_group:1, encrypt:1; - u8 auth_mode; - u8 encode_alg[WEP_KEYS]; - u8 key_sizes[WEP_KEYS]; - u8 keys[WEP_KEYS][SCM_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 */ -enum ieee80211_mfie { - MFIE_TYPE_SSID = 0, - MFIE_TYPE_RATES = 1, - MFIE_TYPE_FH_SET = 2, - MFIE_TYPE_DS_SET = 3, - MFIE_TYPE_CF_SET = 4, - MFIE_TYPE_TIM = 5, - MFIE_TYPE_IBSS_SET = 6, - MFIE_TYPE_COUNTRY = 7, - MFIE_TYPE_HOP_PARAMS = 8, - MFIE_TYPE_HOP_TABLE = 9, - MFIE_TYPE_REQUEST = 10, - MFIE_TYPE_CHALLENGE = 16, - MFIE_TYPE_POWER_CONSTRAINT = 32, - MFIE_TYPE_POWER_CAPABILITY = 33, - MFIE_TYPE_TPC_REQUEST = 34, - MFIE_TYPE_TPC_REPORT = 35, - MFIE_TYPE_SUPP_CHANNELS = 36, - MFIE_TYPE_CSA = 37, - MFIE_TYPE_MEASURE_REQUEST = 38, - MFIE_TYPE_MEASURE_REPORT = 39, - MFIE_TYPE_QUIET = 40, - MFIE_TYPE_IBSS_DFS = 41, - MFIE_TYPE_ERP_INFO = 42, - MFIE_TYPE_RSN = 48, - MFIE_TYPE_RATES_EX = 50, - MFIE_TYPE_GENERIC = 221, - MFIE_TYPE_QOS_PARAMETER = 222, -}; - -struct ieee80211_hdr_1addr { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 payload[0]; -} __attribute__ ((packed)); - -struct ieee80211_hdr_2addr { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 payload[0]; -} __attribute__ ((packed)); - -struct ieee80211_hdr_3addr { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - u8 payload[0]; -} __attribute__ ((packed)); - -struct ieee80211_hdr_4addr { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - u8 addr4[ETH_ALEN]; - u8 payload[0]; -} __attribute__ ((packed)); - -struct ieee80211_hdr_3addrqos { - __le16 frame_ctl; - __le16 duration_id; - u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - u8 payload[0]; - __le16 qos_ctl; -} __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_auth { - struct ieee80211_hdr_3addr header; - __le16 algorithm; - __le16 transaction; - __le16 status; - /* challenge */ - struct ieee80211_info_element info_element[0]; -} __attribute__ ((packed)); - -struct ieee80211_channel_switch { - u8 id; - u8 len; - u8 mode; - u8 channel; - u8 count; -} __attribute__ ((packed)); - -struct ieee80211_action { - struct ieee80211_hdr_3addr header; - u8 category; - u8 action; - union { - struct ieee80211_action_exchange { - u8 token; - struct ieee80211_info_element info_element[0]; - } exchange; - struct ieee80211_channel_switch channel_switch; - - } format; -} __attribute__ ((packed)); - -struct ieee80211_disassoc { - struct ieee80211_hdr_3addr header; - __le16 reason; -} __attribute__ ((packed)); - -/* Alias deauth for disassoc */ -#define ieee80211_deauth ieee80211_disassoc - -struct ieee80211_probe_request { - struct ieee80211_hdr_3addr header; - /* SSID, supported rates */ - struct ieee80211_info_element info_element[0]; -} __attribute__ ((packed)); - -struct ieee80211_probe_response { - struct ieee80211_hdr_3addr header; - __le32 time_stamp[2]; - __le16 beacon_interval; - __le16 capability; - /* SSID, supported rates, FH params, DS params, - * CF params, IBSS params, TIM (if beacon), RSN */ - struct ieee80211_info_element info_element[0]; -} __attribute__ ((packed)); - -/* Alias beacon for probe_response */ -#define ieee80211_beacon ieee80211_probe_response - -struct ieee80211_assoc_request { - struct ieee80211_hdr_3addr header; - __le16 capability; - __le16 listen_interval; - /* SSID, supported rates, RSN */ - struct ieee80211_info_element info_element[0]; -} __attribute__ ((packed)); - -struct ieee80211_reassoc_request { - struct ieee80211_hdr_3addr header; - __le16 capability; - __le16 listen_interval; - u8 current_ap[ETH_ALEN]; - struct ieee80211_info_element info_element[0]; -} __attribute__ ((packed)); - -struct ieee80211_assoc_response { - struct ieee80211_hdr_3addr header; - __le16 capability; - __le16 status; - __le16 aid; - /* supported rates */ - struct ieee80211_info_element info_element[0]; -} __attribute__ ((packed)); - -struct ieee80211_txb { - u8 nr_frags; - u8 encrypted; - u8 rts_included; - u8 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_HAS_OFDM (1<<1) -#define NETWORK_HAS_CCK (1<<2) - -/* QoS structure */ -#define NETWORK_HAS_QOS_PARAMETERS (1<<3) -#define NETWORK_HAS_QOS_INFORMATION (1<<4) -#define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \ - NETWORK_HAS_QOS_INFORMATION) - -/* 802.11h */ -#define NETWORK_HAS_POWER_CONSTRAINT (1<<5) -#define NETWORK_HAS_CSA (1<<6) -#define NETWORK_HAS_QUIET (1<<7) -#define NETWORK_HAS_IBSS_DFS (1<<8) -#define NETWORK_HAS_TPC_REPORT (1<<9) - -#define NETWORK_HAS_ERP_VALUE (1<<10) - -#define QOS_QUEUE_NUM 4 -#define QOS_OUI_LEN 3 -#define QOS_OUI_TYPE 2 -#define QOS_ELEMENT_ID 221 -#define QOS_OUI_INFO_SUB_TYPE 0 -#define QOS_OUI_PARAM_SUB_TYPE 1 -#define QOS_VERSION_1 1 -#define QOS_AIFSN_MIN_VALUE 2 - -struct ieee80211_qos_information_element { - u8 elementID; - u8 length; - u8 qui[QOS_OUI_LEN]; - u8 qui_type; - u8 qui_subtype; - u8 version; - u8 ac_info; -} __attribute__ ((packed)); - -struct ieee80211_qos_ac_parameter { - u8 aci_aifsn; - u8 ecw_min_max; - __le16 tx_op_limit; -} __attribute__ ((packed)); - -struct ieee80211_qos_parameter_info { - struct ieee80211_qos_information_element info_element; - u8 reserved; - struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; -} __attribute__ ((packed)); - -struct ieee80211_qos_parameters { - __le16 cw_min[QOS_QUEUE_NUM]; - __le16 cw_max[QOS_QUEUE_NUM]; - u8 aifs[QOS_QUEUE_NUM]; - u8 flag[QOS_QUEUE_NUM]; - __le16 tx_op_limit[QOS_QUEUE_NUM]; -} __attribute__ ((packed)); - -struct ieee80211_qos_data { - struct ieee80211_qos_parameters parameters; - int active; - int supported; - u8 param_count; - u8 old_param_count; -}; - -struct ieee80211_tim_parameters { - u8 tim_count; - u8 tim_period; -} __attribute__ ((packed)); - -/*******************************************************/ - -enum { /* ieee80211_basic_report.map */ - IEEE80211_BASIC_MAP_BSS = (1 << 0), - IEEE80211_BASIC_MAP_OFDM = (1 << 1), - IEEE80211_BASIC_MAP_UNIDENTIFIED = (1 << 2), - IEEE80211_BASIC_MAP_RADAR = (1 << 3), - IEEE80211_BASIC_MAP_UNMEASURED = (1 << 4), - /* Bits 5-7 are reserved */ - -}; -struct ieee80211_basic_report { - u8 channel; - __le64 start_time; - __le16 duration; - u8 map; -} __attribute__ ((packed)); - -enum { /* ieee80211_measurement_request.mode */ - /* Bit 0 is reserved */ - IEEE80211_MEASUREMENT_ENABLE = (1 << 1), - IEEE80211_MEASUREMENT_REQUEST = (1 << 2), - IEEE80211_MEASUREMENT_REPORT = (1 << 3), - /* Bits 4-7 are reserved */ -}; - -enum { - IEEE80211_REPORT_BASIC = 0, /* required */ - IEEE80211_REPORT_CCA = 1, /* optional */ - IEEE80211_REPORT_RPI = 2, /* optional */ - /* 3-255 reserved */ -}; - -struct ieee80211_measurement_params { - u8 channel; - __le64 start_time; - __le16 duration; -} __attribute__ ((packed)); - -struct ieee80211_measurement_request { - struct ieee80211_info_element ie; - u8 token; - u8 mode; - u8 type; - struct ieee80211_measurement_params params[0]; -} __attribute__ ((packed)); - -struct ieee80211_measurement_report { - struct ieee80211_info_element ie; - u8 token; - u8 mode; - u8 type; - union { - struct ieee80211_basic_report basic[0]; - } u; -} __attribute__ ((packed)); - -struct ieee80211_tpc_report { - u8 transmit_power; - u8 link_margin; -} __attribute__ ((packed)); - -struct ieee80211_channel_map { - u8 channel; - u8 map; -} __attribute__ ((packed)); - -struct ieee80211_ibss_dfs { - struct ieee80211_info_element ie; - u8 owner[ETH_ALEN]; - u8 recovery_interval; - struct ieee80211_channel_map channel_map[0]; -}; - -struct ieee80211_csa { - u8 mode; - u8 channel; - u8 count; -} __attribute__ ((packed)); - -struct ieee80211_quiet { - u8 count; - u8 period; - u8 duration; - u8 offset; -} __attribute__ ((packed)); - -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; - - struct ieee80211_qos_data qos_data; - - /* 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; - u32 flags; - u32 last_associate; - u32 time_stamp[2]; - u16 beacon_interval; - u16 listen_interval; - u16 atim_window; - u8 erp_value; - 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 ieee80211_tim_parameters tim; - - /* 802.11h info */ - - /* Power Constraint - mandatory if spctrm mgmt required */ - u8 power_constraint; - - /* TPC Report - mandatory if spctrm mgmt required */ - struct ieee80211_tpc_report tpc_report; - - /* IBSS DFS - mandatory if spctrm mgmt required and IBSS - * NOTE: This is variable length and so must be allocated dynamically */ - struct ieee80211_ibss_dfs *ibss_dfs; - - /* Channel Switch Announcement - optional if spctrm mgmt required */ - struct ieee80211_csa csa; - - /* Quiet - optional if spctrm mgmt required */ - struct ieee80211_quiet quiet; - - 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) -#define CFG_IEEE80211_RTS (1<<2) - -#define IEEE80211_24GHZ_MIN_CHANNEL 1 -#define IEEE80211_24GHZ_MAX_CHANNEL 14 -#define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \ - IEEE80211_24GHZ_MIN_CHANNEL + 1) - -#define IEEE80211_52GHZ_MIN_CHANNEL 34 -#define IEEE80211_52GHZ_MAX_CHANNEL 165 -#define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \ - IEEE80211_52GHZ_MIN_CHANNEL + 1) - -enum { - IEEE80211_CH_PASSIVE_ONLY = (1 << 0), - IEEE80211_CH_80211H_RULES = (1 << 1), - IEEE80211_CH_B_ONLY = (1 << 2), - IEEE80211_CH_NO_IBSS = (1 << 3), - IEEE80211_CH_UNIFORM_SPREADING = (1 << 4), - IEEE80211_CH_RADAR_DETECT = (1 << 5), - IEEE80211_CH_INVALID = (1 << 6), -}; - -struct ieee80211_channel { - u32 freq; /* in MHz */ - u8 channel; - u8 flags; - u8 max_power; /* in dBm */ -}; - -struct ieee80211_geo { - u8 name[4]; - u8 bg_channels; - u8 a_channels; - struct ieee80211_channel bg[IEEE80211_24GHZ_CHANNELS]; - struct ieee80211_channel a[IEEE80211_52GHZ_CHANNELS]; -}; - -struct ieee80211_device { - struct net_device *dev; - struct ieee80211_security sec; - - /* Bookkeeping structures */ - struct net_device_stats stats; - struct ieee80211_stats ieee_stats; - - struct ieee80211_geo geo; - - /* 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_*) */ - struct iw_spy_data spy_data; /* iwspy support */ - - 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_encrypt_msdu; - int host_decrypt; - /* host performs multicast decryption */ - int host_mc_decrypt; - - /* host should strip IV and ICV from protected frames */ - /* meaningful only when hardware decryption is being used */ - int host_strip_iv_icv; - - int host_open_frag; - int host_build_iv; - int ieee802_1x; /* is IEEE 802.1X used */ - - /* WPA data */ - int wpa_enabled; - int drop_unencrypted; - int privacy_invoked; - size_t wpa_ie_len; - u8 *wpa_ie; - - struct lib80211_crypt_info crypt_info; - - 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 */ - u16 rts; /* RTS 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_true; /* ABG flag */ - - int perfect_rssi; - int worst_rssi; - - u16 prev_seq_ctl; /* used to drop duplicate frames */ - - /* 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 pri); - int (*reset_port) (struct net_device * dev); - int (*is_queue_full) (struct net_device * dev, int pri); - - int (*handle_management) (struct net_device * dev, - struct ieee80211_network * network, u16 type); - int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb); - - /* Typical STA methods */ - int (*handle_auth) (struct net_device * dev, - struct ieee80211_auth * auth); - int (*handle_deauth) (struct net_device * dev, - struct ieee80211_deauth * auth); - int (*handle_action) (struct net_device * dev, - struct ieee80211_action * action, - struct ieee80211_rx_stats * stats); - int (*handle_disassoc) (struct net_device * dev, - struct ieee80211_disassoc * assoc); - int (*handle_beacon) (struct net_device * dev, - struct ieee80211_beacon * beacon, - struct ieee80211_network * network); - int (*handle_probe_response) (struct net_device * dev, - struct ieee80211_probe_response * resp, - struct ieee80211_network * network); - int (*handle_probe_request) (struct net_device * dev, - struct ieee80211_probe_request * req, - struct ieee80211_rx_stats * stats); - int (*handle_assoc_response) (struct net_device * dev, - struct ieee80211_assoc_response * resp, - struct ieee80211_network * network); - - /* Typical AP methods */ - int (*handle_assoc_request) (struct net_device * dev); - int (*handle_reassoc_request) (struct net_device * dev, - struct ieee80211_reassoc_request * req); - - /* 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) - -static inline void *ieee80211_priv(struct net_device *dev) -{ - return ((struct ieee80211_device *)netdev_priv(dev))->priv; -} - -static 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; -} - -static inline int ieee80211_get_hdrlen(u16 fc) -{ - int hdrlen = IEEE80211_3ADDR_LEN; - u16 stype = WLAN_FC_GET_STYPE(fc); - - switch (WLAN_FC_GET_TYPE(fc)) { - case IEEE80211_FTYPE_DATA: - if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) - hdrlen = IEEE80211_4ADDR_LEN; - if (stype & IEEE80211_STYPE_QOS_DATA) - hdrlen += 2; - break; - case IEEE80211_FTYPE_CTL: - switch (WLAN_FC_GET_STYPE(fc)) { - case IEEE80211_STYPE_CTS: - case IEEE80211_STYPE_ACK: - hdrlen = IEEE80211_1ADDR_LEN; - break; - default: - hdrlen = IEEE80211_2ADDR_LEN; - break; - } - break; - } - - return hdrlen; -} - -static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr) -{ - switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control))) { - case IEEE80211_1ADDR_LEN: - return ((struct ieee80211_hdr_1addr *)hdr)->payload; - case IEEE80211_2ADDR_LEN: - return ((struct ieee80211_hdr_2addr *)hdr)->payload; - case IEEE80211_3ADDR_LEN: - return ((struct ieee80211_hdr_3addr *)hdr)->payload; - case IEEE80211_4ADDR_LEN: - return ((struct ieee80211_hdr_4addr *)hdr)->payload; - } - return NULL; -} - -static inline int ieee80211_is_ofdm_rate(u8 rate) -{ - switch (rate & ~IEEE80211_BASIC_RATE_MASK) { - case IEEE80211_OFDM_RATE_6MB: - case IEEE80211_OFDM_RATE_9MB: - case IEEE80211_OFDM_RATE_12MB: - case IEEE80211_OFDM_RATE_18MB: - case IEEE80211_OFDM_RATE_24MB: - case IEEE80211_OFDM_RATE_36MB: - case IEEE80211_OFDM_RATE_48MB: - case IEEE80211_OFDM_RATE_54MB: - return 1; - } - return 0; -} - -static inline int ieee80211_is_cck_rate(u8 rate) -{ - switch (rate & ~IEEE80211_BASIC_RATE_MASK) { - case IEEE80211_CCK_RATE_1MB: - case IEEE80211_CCK_RATE_2MB: - case IEEE80211_CCK_RATE_5MB: - case IEEE80211_CCK_RATE_11MB: - return 1; - } - return 0; -} - -/* 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 void ieee80211_rx_any(struct ieee80211_device *ieee, - struct sk_buff *skb, struct ieee80211_rx_stats *stats); -extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, - struct ieee80211_rx_stats *rx_stats); -/* make sure to set stats->len */ -extern void ieee80211_rx_mgt(struct ieee80211_device *ieee, - struct ieee80211_hdr_4addr *header, - struct ieee80211_rx_stats *stats); -extern void ieee80211_network_reset(struct ieee80211_network *network); - -/* ieee80211_geo.c */ -extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device - *ieee); -extern int ieee80211_set_geo(struct ieee80211_device *ieee, - const struct ieee80211_geo *geo); - -extern int ieee80211_is_valid_channel(struct ieee80211_device *ieee, - u8 channel); -extern int ieee80211_channel_to_index(struct ieee80211_device *ieee, - u8 channel); -extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq); -extern u8 ieee80211_get_channel_flags(struct ieee80211_device *ieee, - u8 channel); -extern const struct ieee80211_channel *ieee80211_get_channel(struct - ieee80211_device - *ieee, u8 channel); -extern u32 ieee80211_channel_to_freq(struct ieee80211_device * ieee, - u8 channel); - -/* ieee80211_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 int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra); -extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra); - -static inline void ieee80211_increment_scans(struct ieee80211_device *ieee) -{ - ieee->scans++; -} - -static inline int ieee80211_get_scans(struct ieee80211_device *ieee) -{ - return ieee->scans; -} - -#endif /* IEEE80211_H */ |