/* * 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 * * Copyright (c) 2002-2003, Jouni Malinen * * Adaption to a generic IEEE 802.11 stack by James Ketrenos * * Copyright (c) 2004, Intel Corporation * * Modified for Realtek's wi-fi cards by Andrea Merello * * * 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 /* ETH_ALEN */ #include /* ARRAY_SIZE */ #include #include #include #include #include #include #include #define KEY_TYPE_NA 0x0 #define KEY_TYPE_WEP40 0x1 #define KEY_TYPE_TKIP 0x2 #define KEY_TYPE_CCMP 0x4 #define KEY_TYPE_WEP104 0x5 #define aSifsTime 10 #define MGMT_QUEUE_NUM 5 #define IEEE_CMD_SET_WPA_PARAM 1 #define IEEE_CMD_SET_WPA_IE 2 #define IEEE_CMD_SET_ENCRYPTION 3 #define IEEE_CMD_MLME 4 #define IEEE_PARAM_WPA_ENABLED 1 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2 #define IEEE_PARAM_DROP_UNENCRYPTED 3 #define IEEE_PARAM_PRIVACY_INVOKED 4 #define IEEE_PARAM_AUTH_ALGS 5 #define IEEE_PARAM_IEEE_802_1X 6 //It should consistent with the driver_XXX.c // David, 2006.9.26 #define IEEE_PARAM_WPAX_SELECT 7 //Added for notify the encryption type selection // David, 2006.9.26 #define IEEE_PROTO_WPA 1 #define IEEE_PROTO_RSN 2 //Added for notify the encryption type selection // David, 2006.9.26 #define IEEE_WPAX_USEGROUP 0 #define IEEE_WPAX_WEP40 1 #define IEEE_WPAX_TKIP 2 #define IEEE_WPAX_WRAP 3 #define IEEE_WPAX_CCMP 4 #define IEEE_WPAX_WEP104 5 #define IEEE_KEY_MGMT_IEEE8021X 1 #define IEEE_KEY_MGMT_PSK 2 #define IEEE_MLME_STA_DEAUTH 1 #define IEEE_MLME_STA_DISASSOC 2 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7 #define IEEE_CRYPT_ALG_NAME_LEN 16 //by amy for ps typedef struct ieee_param { u32 cmd; u8 sta_addr[ETH_ALEN]; union { struct { u8 name; u32 value; } wpa_param; struct { u32 len; u8 reserved[32]; u8 data[0]; } wpa_ie; struct{ int command; int reason_code; } mlme; struct { u8 alg[IEEE_CRYPT_ALG_NAME_LEN]; u8 set_tx; u32 err; u8 idx; u8 seq[8]; /* sequence counter (set: RX, get: TX) */ u16 key_len; u8 key[0]; } crypt; } u; }ieee_param; #define MSECS(t) msecs_to_jiffies(t) #define msleep_interruptible_rtl msleep_interruptible #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_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 IEEE80211_MGMT_HDR_LEN 24 #define IEEE80211_DATA_HDR3_LEN 24 #define IEEE80211_DATA_HDR4_LEN 30 #define MIN_FRAG_THRESHOLD 256U #define MAX_FRAG_THRESHOLD 2346U /* Frame control field constants */ #define IEEE80211_FCTL_DSTODS 0x0300 //added by david #define IEEE80211_FCTL_WEP 0x4000 /* 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) #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 IEEE_DEBUG_SCAN IEEE80211_WARNING #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 #include /* ARPHRD_ETHER */ #ifndef WIRELESS_SPY #define WIRELESS_SPY // enable iwspy support #endif #include // 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) #define WLAN_CAPABILITY_BSS (1<<0) #define WLAN_CAPABILITY_SHORT_SLOT (1<<10) #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_LEN 4 #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_LEN 8 #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 /* this is stolen and modified from the madwifi driver*/ #define IEEE80211_FC0_TYPE_MASK 0x0c #define IEEE80211_FC0_TYPE_DATA 0x08 #define IEEE80211_FC0_SUBTYPE_MASK 0xB0 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 #define IEEE80211_QOS_HAS_SEQ(fc) \ (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \ (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) /* this is stolen from ipw2200 driver */ #define IEEE_IBSS_MAC_HASH_SIZE 31 struct ieee_ibss_seq { u8 mac[ETH_ALEN]; u16 seq_num[17]; u16 frag_num[17]; unsigned long packet_time[17]; struct list_head list; }; /* 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[2]; u8 signalstrength; s8 rssi; u8 signal; u8 noise; u16 rate; /* in 100 kbps */ u8 received_channel; u8 control; u8 mask; u8 freq; u16 len; u8 nic_type; }; /* 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 #define WEP_KEY_LEN_MODIF 32 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_MODIF]; 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 */ /* Management Frame Information Element Types */ enum { 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_CHALLENGE = 16, MFIE_TYPE_ERP = 42, MFIE_TYPE_RSN = 48, MFIE_TYPE_RATES_EX = 50, MFIE_TYPE_GENERIC = 221, }; struct ieee80211_header_data { u16 frame_ctl; u16 duration_id; u8 addr1[6]; u8 addr2[6]; u8 addr3[6]; u16 seq_ctrl; }; struct ieee80211_hdr_4addr { 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_3addrqos { u16 frame_ctl; u16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; u16 seq_ctl; u16 qos_ctl; } __attribute__ ((packed)); struct ieee80211_hdr_4addrqos { 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]; u16 qos_ctl; } __attribute__ ((packed)); struct ieee80211_info_element_hdr { u8 id; u8 len; } __attribute__ ((packed)); struct ieee80211_info_element { u8 id; u8 len; u8 data[0]; } __attribute__ ((packed)); struct ieee80211_authentication { struct ieee80211_header_data header; u16 algorithm; u16 transaction; u16 status; //struct ieee80211_info_element_hdr info_element; } __attribute__ ((packed)); struct ieee80211_disassoc_frame { struct ieee80211_hdr_3addr header; u16 reasoncode; } __attribute__ ((packed)); struct ieee80211_probe_request { struct ieee80211_header_data header; /* 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 { struct ieee80211_hdr_3addr header; u16 capability; u16 listen_interval; //u8 current_ap[ETH_ALEN]; struct ieee80211_info_element_hdr 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 MAX_CHANNEL_NUMBER 165 #define IEEE80211_SOFTMAC_SCAN_TIME 100 /* (HZ / 2) */ #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) #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_wmm_ac_param { u8 ac_aci_acm_aifsn; u8 ac_ecwmin_ecwmax; u16 ac_txop_limit; }; struct ieee80211_wmm_ts_info { u8 ac_dir_tid; u8 ac_up_psb; u8 reserved; } __attribute__ ((packed)); struct ieee80211_wmm_tspec_elem { struct ieee80211_wmm_ts_info ts_info; u16 norm_msdu_size; u16 max_msdu_size; u32 min_serv_inter; u32 max_serv_inter; u32 inact_inter; u32 suspen_inter; u32 serv_start_time; u32 min_data_rate; u32 mean_data_rate; u32 peak_data_rate; u32 max_burst_size; u32 delay_bound; u32 min_phy_rate; u16 surp_band_allow; u16 medium_time; }__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)); struct ieee80211_softmac_stats { unsigned int rx_ass_ok; unsigned int rx_ass_err; unsigned int rx_probe_rq; unsigned int tx_probe_rs; unsigned int tx_beacons; unsigned int rx_auth_rq; unsigned int rx_auth_rs_ok; unsigned int rx_auth_rs_err; unsigned int tx_auth_rq; unsigned int no_auth_rs; unsigned int no_ass_rs; unsigned int tx_ass_rq; unsigned int rx_ass_rq; unsigned int tx_probe_rq; unsigned int reassoc; unsigned int swtxstop; unsigned int swtxawake; }; #define BEACON_PROBE_SSID_ID_POSITION 12 /* * 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; */ #define IEEE80211_DEFAULT_TX_ESSID "Penguin" #define IEEE80211_DEFAULT_BASIC_RATE 10 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame}; #define MAX_SP_Len (WMM_all_frame << 4) #define IEEE80211_QOS_TID 0x0f #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5) #define MAX_IE_LEN 0xFF //+YJ,080625 typedef struct _CHANNEL_LIST{ u8 Channel[MAX_CHANNEL_NUMBER + 1]; u8 Len; }CHANNEL_LIST, *PCHANNEL_LIST; //by amy for ps #define IEEE80211_WATCH_DOG_TIME 2000 //by amy for ps //by amy for antenna #define ANTENNA_DIVERSITY_TIMER_PERIOD 1000 // 1000 m //by amy for antenna #define IEEE80211_DTIM_MBCAST 4 #define IEEE80211_DTIM_UCAST 2 #define IEEE80211_DTIM_VALID 1 #define IEEE80211_DTIM_INVALID 0 #define IEEE80211_PS_DISABLED 0 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST #define IEEE80211_PS_ENABLE IEEE80211_DTIM_VALID //added by David for QoS 2006/6/30 //#define WMM_Hang_8187 #ifdef WMM_Hang_8187 #undef WMM_Hang_8187 #endif #define WME_AC_BE 0x00 #define WME_AC_BK 0x01 #define WME_AC_VI 0x02 #define WME_AC_VO 0x03 #define WME_ACI_MASK 0x03 #define WME_AIFSN_MASK 0x03 #define WME_AC_PRAM_LEN 16 //UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP //#define UP2AC(up) ((up<3) ? ((up==0)?1:0) : (up>>1)) #define UP2AC(up) ( \ ((up) < 1) ? WME_AC_BE : \ ((up) < 3) ? WME_AC_BK : \ ((up) < 4) ? WME_AC_BE : \ ((up) < 6) ? WME_AC_VI : \ WME_AC_VO) //AC Mapping to UP, using in Tx part for selecting the corresponding TX queue #define AC2UP(_ac) ( \ ((_ac) == WME_AC_VO) ? 6 : \ ((_ac) == WME_AC_VI) ? 5 : \ ((_ac) == WME_AC_BK) ? 1 : \ 0) #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */ struct ether_header { u8 ether_dhost[ETHER_ADDR_LEN]; u8 ether_shost[ETHER_ADDR_LEN]; u16 ether_type; } __attribute__((packed)); #ifndef ETHERTYPE_PAE #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */ #endif #ifndef ETHERTYPE_IP #define ETHERTYPE_IP 0x0800 /* IP protocol */ #endif 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; u8 dtim_period; u8 dtim_data; u32 last_dtim_sta_time[2]; struct list_head list; //appeded for QoS u8 wmm_info; struct ieee80211_wmm_ac_param wmm_param[4]; u8 QoS_Enable; u8 SignalStrength; //by amy 080312 u8 HighestOperaRate; //by amy 080312 u8 Turbo_Enable;//enable turbo mode, added by thomas u16 CountryIeLen; u8 CountryIeBuf[MAX_IE_LEN]; }; enum ieee80211_state { /* the card is not linked at all */ IEEE80211_NOLINK = 0, /* IEEE80211_ASSOCIATING* are for BSS client mode * the driver shall not perform RX filtering unless * the state is LINKED. * The driver shall just check for the state LINKED and * defaults to NOLINK for ALL the other states (including * LINKED_SCANNING) */ /* the association procedure will start (wq scheduling)*/ IEEE80211_ASSOCIATING, IEEE80211_ASSOCIATING_RETRY, /* the association procedure is sending AUTH request*/ IEEE80211_ASSOCIATING_AUTHENTICATING, /* the association procedure has successfully authentcated * and is sending association request */ IEEE80211_ASSOCIATING_AUTHENTICATED, /* the link is ok. the card associated to a BSS or linked * to a ibss cell or acting as an AP and creating the bss */ IEEE80211_LINKED, /* same as LINKED, but the driver shall apply RX filter * rules as we are in NO_LINK mode. As the card is still * logically linked, but it is doing a syncro site survey * then it will be back to LINKED state. */ IEEE80211_LINKED_SCANNING, }; #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) typedef struct tx_pending_t{ int frag; struct ieee80211_txb *txb; }tx_pending_t; enum { COUNTRY_CODE_FCC = 0, COUNTRY_CODE_IC = 1, COUNTRY_CODE_ETSI = 2, COUNTRY_CODE_SPAIN = 3, COUNTRY_CODE_FRANCE = 4, COUNTRY_CODE_MKK = 5, COUNTRY_CODE_MKK1 = 6, COUNTRY_CODE_ISRAEL = 7, COUNTRY_CODE_TELEC = 8, COUNTRY_CODE_GLOBAL_DOMAIN = 9, COUNTRY_CODE_WORLD_WIDE_13_INDEX = 10 }; struct ieee80211_device { struct net_device *dev; /* Bookkeeping structures */ struct net_device_stats stats; struct ieee80211_stats ieee_stats; struct ieee80211_softmac_stats softmac_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; spinlock_t wpax_suitlist_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; u8 ap_mac_addr[6]; u16 pairwise_key_type; u16 broadcast_key_type; 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 */ // each streaming contain a entry struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN]; unsigned int frag_next_idx[17]; u16 fts; /* Fragmentation Threshold */ /* This stores infos for the current network. * Either the network we are associated in INFRASTRUCTURE * or the network that we are creating in MASTER mode. * ad-hoc is a mixture ;-). * Note that in infrastructure mode, even when not associated, * fields bssid and essid may be valid (if wpa_set and essid_set * are true) as thy carry the value set by the user via iwconfig */ struct ieee80211_network current_network; enum ieee80211_state state; int short_slot; int mode; /* A, B, G */ int modulation; /* CCK, OFDM */ int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ int abg_true; /* ABG flag */ /* used for forcing the ibss workqueue to terminate * without wait for the syncro scan to terminate */ short sync_scan_hurryup; void * pDot11dInfo; bool bGlobalDomain; // For Liteon Ch12~13 passive scan u8 MinPassiveChnlNum; u8 IbssStartChnl; int rate; /* current rate */ int basic_rate; //FIXME: pleace callback, see if redundant with softmac_features short active_scan; /* this contains flags for selectively enable softmac support */ u16 softmac_features; /* if the sequence control field is not filled by HW */ u16 seq_ctrl[5]; /* association procedure transaction sequence number */ u16 associate_seq; /* AID for RTXed association responses */ u16 assoc_id; /* power save mode related*/ short ps; short sta_sleep; int ps_timeout; struct tasklet_struct ps_task; u32 ps_th; u32 ps_tl; short raw_tx; /* used if IEEE_SOFTMAC_TX_QUEUE is set */ short queue_stop; short scanning; short proto_started; struct semaphore wx_sem; struct semaphore scan_sem; spinlock_t mgmt_tx_lock; spinlock_t beacon_lock; short beacon_txing; short wap_set; short ssid_set; u8 wpax_type_set; //{added by David, 2006.9.28} u32 wpax_type_notify; //{added by David, 2006.9.26} /* QoS related flag */ char init_wmmparam_flag; /* for discarding duplicated packets in IBSS */ struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE]; /* for discarding duplicated packets in BSS */ u16 last_rxseq_num[17]; /* rx seq previous per-tid */ u16 last_rxfrag_num[17];/* tx frag previous per-tid */ unsigned long last_packet_time[17]; /* for PS mode */ unsigned long last_rx_ps_time; /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */ struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM]; int mgmt_queue_head; int mgmt_queue_tail; /* used if IEEE_SOFTMAC_TX_QUEUE is set */ struct tx_pending_t tx_pending; /* used if IEEE_SOFTMAC_ASSOCIATE is set */ struct timer_list associate_timer; /* used if IEEE_SOFTMAC_BEACONS is set */ struct timer_list beacon_timer; struct work_struct associate_complete_wq; // struct work_struct associate_retry_wq; struct work_struct associate_procedure_wq; // struct work_struct softmac_scan_wq; struct work_struct wx_sync_scan_wq; struct work_struct wmm_param_update_wq; struct work_struct ps_request_tx_ack_wq;//for ps // struct work_struct hw_wakeup_wq; // struct work_struct hw_sleep_wq; // struct work_struct watch_dog_wq; bool bInactivePs; bool actscanning; bool beinretry; u16 ListenInterval; unsigned long NumRxDataInPeriod; //YJ,add,080828 unsigned long NumRxBcnInPeriod; //YJ,add,080828 unsigned long NumRxOkTotal; unsigned long NumRxUnicast;//YJ,add,080828,for keep alive bool bHwRadioOff; struct delayed_work softmac_scan_wq; struct delayed_work associate_retry_wq; struct delayed_work hw_wakeup_wq; struct delayed_work hw_sleep_wq;//+by amy 080324 struct delayed_work watch_dog_wq; struct delayed_work sw_antenna_wq; struct delayed_work start_ibss_wq; //by amy for rate adaptive 080312 struct delayed_work rate_adapter_wq; //by amy for rate adaptive struct delayed_work hw_dig_wq; struct delayed_work tx_pw_wq; //Added for RF power on power off by lizhaoming 080512 struct delayed_work GPIOChangeRFWorkItem; struct workqueue_struct *wq; /* Callback functions */ void (*set_security)(struct net_device *dev, struct ieee80211_security *sec); /* Used to TX data frame by using txb structs. * this is not used if in the softmac_features * is set the flag IEEE_SOFTMAC_TX_QUEUE */ int (*hard_start_xmit)(struct ieee80211_txb *txb, struct net_device *dev); int (*reset_port)(struct net_device *dev); /* Softmac-generated frames (mamagement) are TXed via this * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is * not set. As some cards may have different HW queues that * one might want to use for data and management frames * the option to have two callbacks might be useful. * This function can't sleep. */ int (*softmac_hard_start_xmit)(struct sk_buff *skb, struct net_device *dev); /* used instead of hard_start_xmit (not softmac_hard_start_xmit) * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set * then also management frames are sent via this callback. * This function can't sleep. */ void (*softmac_data_hard_start_xmit)(struct sk_buff *skb, struct net_device *dev,int rate); /* stops the HW queue for DATA frames. Useful to avoid * waste time to TX data frame when we are reassociating * This function can sleep. */ void (*data_hard_stop)(struct net_device *dev); /* OK this is complementar to data_poll_hard_stop */ void (*data_hard_resume)(struct net_device *dev); /* ask to the driver to retune the radio . * This function can sleep. the driver should ensure * the radio has been swithced before return. */ void (*set_chan)(struct net_device *dev,short ch); /* These are not used if the ieee stack takes care of * scanning (IEEE_SOFTMAC_SCAN feature set). * In this case only the set_chan is used. * * The syncro version is similar to the start_scan but * does not return until all channels has been scanned. * this is called in user context and should sleep, * it is called in a work_queue when swithcing to ad-hoc mode * or in behalf of iwlist scan when the card is associated * and root user ask for a scan. * the function stop_scan should stop both the syncro and * background scanning and can sleep. * The function start_scan should initiate the background * scanning and can't sleep. */ void (*scan_syncro)(struct net_device *dev); void (*start_scan)(struct net_device *dev); void (*stop_scan)(struct net_device *dev); /* indicate the driver that the link state is changed * for example it may indicate the card is associated now. * Driver might be interested in this to apply RX filter * rules or simply light the LINK led */ void (*link_change)(struct net_device *dev); /* these two function indicates to the HW when to start * and stop to send beacons. This is used when the * IEEE_SOFTMAC_BEACONS is not set. For now the * stop_send_bacons is NOT guaranteed to be called only * after start_send_beacons. */ void (*start_send_beacons) (struct net_device *dev); void (*stop_send_beacons) (struct net_device *dev); /* power save mode related */ void (*sta_wake_up) (struct net_device *dev); void (*ps_request_tx_ack) (struct net_device *dev); void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl); short (*ps_is_queue_empty) (struct net_device *dev); /* QoS related */ //void (*wmm_param_update) (struct net_device *dev, u8 *ac_param); //void (*wmm_param_update) (struct ieee80211_device *ieee); /* 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) /* Generate a 802.11 header */ /* Uses the channel change callback directly * instead of [start/stop] scan callbacks */ #define IEEE_SOFTMAC_SCAN (1<<2) /* Perform authentication and association handshake */ #define IEEE_SOFTMAC_ASSOCIATE (1<<3) /* Generate probe requests */ #define IEEE_SOFTMAC_PROBERQ (1<<4) /* Generate respones to probe requests */ #define IEEE_SOFTMAC_PROBERS (1<<5) /* The ieee802.11 stack will manages the netif queue * wake/stop for the driver, taking care of 802.11 * fragmentation. See softmac.c for details. */ #define IEEE_SOFTMAC_TX_QUEUE (1<<7) /* Uses only the softmac_data_hard_start_xmit * even for TX management frames. */ #define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8) /* Generate beacons. The stack will enqueue beacons * to the card */ #define IEEE_SOFTMAC_BEACONS (1<<6) 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) { /* 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 */ if(IEEE80211_QOS_HAS_SEQ(fc)) hdrlen += 2; /* QOS ctrl*/ 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_encrypt_fragment( struct ieee80211_device *ieee, struct sk_buff *frag, int hdr_len); extern int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev); extern void ieee80211_txb_free(struct ieee80211_txb *); /* ieee80211_rx.c */ extern int ieee80211_rtl_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_4addr *header, struct ieee80211_rx_stats *stats); /* 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_encode_ext(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data* wrqu, char *extra); int ieee80211_wx_set_auth(struct ieee80211_device *ieee, struct iw_request_info *info, struct iw_param *data, char *extra); int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len); /* ieee80211_softmac.c */ extern short ieee80211_is_54g(struct ieee80211_network net); extern short ieee80211_is_shortslot(struct ieee80211_network net); extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb, struct ieee80211_rx_stats *rx_stats, u16 type, u16 stype); extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net); extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee); extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee); extern void ieee80211_start_bss(struct ieee80211_device *ieee); extern void ieee80211_start_master_bss(struct ieee80211_device *ieee); extern void ieee80211_start_ibss(struct ieee80211_device *ieee); extern void ieee80211_softmac_init(struct ieee80211_device *ieee); extern void ieee80211_softmac_free(struct ieee80211_device *ieee); extern void ieee80211_associate_abort(struct ieee80211_device *ieee); extern void ieee80211_disassociate(struct ieee80211_device *ieee); extern void ieee80211_stop_scan(struct ieee80211_device *ieee); extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee); extern void ieee80211_check_all_nets(struct ieee80211_device *ieee); extern void ieee80211_start_protocol(struct ieee80211_device *ieee); extern void ieee80211_stop_protocol(struct ieee80211_device *ieee); extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee); extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee); extern void ieee80211_reset_queue(struct ieee80211_device *ieee); extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee); extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee); extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee); extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee); extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee); extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p); extern void notify_wx_assoc_event(struct ieee80211_device *ieee); extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success); extern void SendDisassociation(struct ieee80211_device *ieee,u8* asSta,u8 asRsn); extern void ieee80211_rtl_start_scan(struct ieee80211_device *ieee); //Add for RF power on power off by lizhaoming 080512 extern void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn); /* ieee80211_crypt_ccmp&tkip&wep.c */ extern void ieee80211_tkip_null(void); extern void ieee80211_wep_null(void); extern void ieee80211_ccmp_null(void); /* ieee80211_softmac_wx.c */ extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *ext); extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *awrq, char *extra); extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b); extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *extra); extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); extern void ieee80211_wx_sync_scan_wq(struct work_struct *work); extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); extern int ieee80211_wx_get_name(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); extern int ieee80211_wx_set_power(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); extern int ieee80211_wx_get_power(struct ieee80211_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee); extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr); extern const long ieee80211_wlan_frequencies[]; 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, "", sizeof("")); 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 */