X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fnet%2Fieee80211.h;h=b31399e1fd83a3c3230d1b2c516c359675ef0f36;hb=2a61812af2e564cba2c8170cf96e1c823210f619;hp=d8bb8f74ed7b6ba6a28243d6bca4073e842e19ac;hpb=74079fdce472a2b16d502fe39e06b135ef06c69b;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h index d8bb8f7..b31399e 100644 --- a/include/net/ieee80211.h +++ b/include/net/ieee80211.h @@ -6,17 +6,22 @@ * LAN access point) driver for Intersil Prism2/2.5/3. * * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * - * Copyright (c) 2002-2003, Jouni Malinen + * + * Copyright (c) 2002-2003, Jouni Malinen * * Adaption to a generic IEEE 802.11 stack by James Ketrenos * - * Copyright (c) 2004, Intel Corporation + * 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 @@ -24,6 +29,8 @@ #include /* ARRAY_SIZE */ #include +#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. @@ -33,33 +40,13 @@ 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 { - __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]; -} __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; -} __attribute__ ((packed)); - #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 @@ -112,10 +99,14 @@ struct ieee80211_hdr_3addr { #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 @@ -124,15 +115,18 @@ extern u32 ieee80211_debug_level; do { if (ieee80211_debug_level & (level)) \ printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## 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 */ -/* debug macros not dependent on CONFIG_IEEE80211_DEBUG */ - -#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] - /* escape_essid() is intended to be used in debug (and possibly error) * messages. It should never be used for passing essid to user space. */ const char *escape_essid(const char *essid, u8 essid_len); @@ -173,6 +167,7 @@ const char *escape_essid(const char *essid, u8 essid_len); #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) @@ -186,8 +181,8 @@ const char *escape_essid(const char *essid, u8 essid_len); #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 -#include #include /* ARPHRD_ETHER */ #ifndef WIRELESS_SPY @@ -225,11 +220,12 @@ struct ieee80211_snap_hdr { #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) +#define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) /* Authentication algorithms */ #define WLAN_AUTH_OPEN 0 #define WLAN_AUTH_SHARED_KEY 1 +#define WLAN_AUTH_LEAP 2 #define WLAN_AUTH_CHALLENGE_LEN 128 @@ -242,8 +238,14 @@ struct ieee80211_snap_hdr { #define WLAN_CAPABILITY_PBCC (1<<6) #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) +#define WLAN_CAPABILITY_QOS (1<<9) #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) -#define WLAN_CAPABILITY_OSSS_OFDM (1<<13) +#define WLAN_CAPABILITY_DSSS_OFDM (1<<13) + +/* 802.11g ERP information element */ +#define WLAN_ERP_NON_ERP_PRESENT (1<<0) +#define WLAN_ERP_USE_PROTECTION (1<<1) +#define WLAN_ERP_BARKER_PREAMBLE (1<<2) /* Status codes */ enum ieee80211_statuscode { @@ -308,6 +310,23 @@ enum ieee80211_reasoncode { WLAN_REASON_CIPHER_SUITE_REJECTED = 24, }; +/* 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) @@ -372,8 +391,9 @@ enum ieee80211_reasoncode { #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. */ + * 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; @@ -385,6 +405,8 @@ struct ieee80211_rx_stats { u8 mask; u8 freq; u16 len; + u64 tsf; + u32 beacon_time; }; /* IEEE 802.11 requires that STA supports concurrent reception of at least @@ -430,30 +452,40 @@ 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 +#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, auth_mode:2, auth_algo:4, unicast_uses_group:1; + enabled:1, + auth_mode:2, auth_algo:4, unicast_uses_group:1, encrypt:1; + u8 encode_alg[WEP_KEYS]; u8 key_sizes[WEP_KEYS]; - u8 keys[WEP_KEYS][WEP_KEY_LEN]; + u8 keys[WEP_KEYS][SCM_KEY_LEN]; u8 level; u16 flags; } __attribute__ ((packed)); @@ -503,11 +535,75 @@ enum ieee80211_mfie { MFIE_TYPE_RSN = 48, MFIE_TYPE_RATES_EX = 50, MFIE_TYPE_GENERIC = 221, + MFIE_TYPE_QOS_PARAMETER = 222, }; -struct ieee80211_info_element_hdr { - u8 id; - u8 len; +/* Minimal header; can be used for passing 802.11 frames with sufficient + * information to determine what type of underlying data type is actually + * stored in the data. */ +struct ieee80211_hdr { + __le16 frame_ctl; + __le16 duration_id; + u8 payload[0]; +} __attribute__ ((packed)); + +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_hdr_4addrqos { + __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]; + __le16 qos_ctl; } __attribute__ ((packed)); struct ieee80211_info_element { @@ -533,41 +629,94 @@ struct ieee80211_info_element { u16 status; */ -struct ieee80211_authentication { +struct ieee80211_auth { struct ieee80211_hdr_3addr header; __le16 algorithm; __le16 transaction; __le16 status; - struct ieee80211_info_element info_element; + /* 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; - u32 time_stamp[2]; + __le32 time_stamp[2]; __le16 beacon_interval; __le16 capability; - struct ieee80211_info_element info_element; + /* 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_assoc_request_frame { +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; + struct ieee80211_info_element info_element[0]; } __attribute__ ((packed)); -struct ieee80211_assoc_response_frame { +struct ieee80211_assoc_response { struct ieee80211_hdr_3addr header; __le16 capability; __le16 status; __le16 aid; - struct ieee80211_info_element info_element; /* supported rates */ + /* supported rates */ + struct ieee80211_info_element info_element[0]; } __attribute__ ((packed)); struct ieee80211_txb { u8 nr_frags; u8 encrypted; - u16 reserved; + u8 rts_included; + u8 reserved; u16 frag_size; u16 payload_size; struct sk_buff *fragments[0]; @@ -588,9 +737,163 @@ struct ieee80211_txb { #define MAX_WPA_IE_LEN 64 -#define NETWORK_EMPTY_ESSID (1<<0) -#define NETWORK_HAS_OFDM (1<<1) -#define NETWORK_HAS_CCK (1<<2) +#define NETWORK_EMPTY_ESSID (1<<0) +#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 */ @@ -600,6 +903,8 @@ struct ieee80211_network { 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; @@ -609,16 +914,37 @@ struct ieee80211_network { u8 rates_ex_len; unsigned long last_scanned; u8 mode; - u8 flags; + 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; }; @@ -637,14 +963,53 @@ enum ieee80211_state { #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; @@ -669,13 +1034,22 @@ struct ieee80211_device { /* 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 tkip_countermeasures; int privacy_invoked; size_t wpa_ie_len; u8 *wpa_ie; @@ -684,6 +1058,7 @@ struct ieee80211_device { struct ieee80211_crypt_data *crypt[WEP_KEYS]; int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ struct timer_list crypt_deinit_timer; + int crypt_quiesced; int bcrx_sta_key; /* use individual keys to override default keys even * with RX of broad/multicast frames */ @@ -692,6 +1067,7 @@ struct ieee80211_device { 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]; @@ -701,17 +1077,52 @@ struct ieee80211_device { int mode; /* A, B, G */ int modulation; /* CCK, OFDM */ int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ - int abg_ture; /* ABG flag */ + 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); + 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 */ @@ -723,12 +1134,12 @@ struct ieee80211_device { #define IEEE_G (1<<2) #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) -extern inline void *ieee80211_priv(struct net_device *dev) +static 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) +static 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] == ' ') @@ -744,7 +1155,7 @@ extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len) return 1; } -extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, +static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode) { /* @@ -771,14 +1182,17 @@ extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, return 0; } -extern inline int ieee80211_get_hdrlen(u16 fc) +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)) { @@ -796,6 +1210,49 @@ extern inline int ieee80211_get_hdrlen(u16 fc) return hdrlen; } +static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr) +{ + switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) { + 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); @@ -807,11 +1264,34 @@ 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 *header, + 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, @@ -823,13 +1303,19 @@ extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee, 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) +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++; } -extern inline int ieee80211_get_scans(struct ieee80211_device *ieee) +static inline int ieee80211_get_scans(struct ieee80211_device *ieee) { return ieee->scans; }