/****************************************************************************** * * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, see . * * Modifications for inclusion into the Linux staging tree are * Copyright(c) 2010 Larry Finger. All rights reserved. * * Contact information: * WLAN FAE * Larry Finger * ******************************************************************************/ #ifndef __IEEE80211_H #define __IEEE80211_H #include "osdep_service.h" #include "drv_types.h" #include "wifi.h" #include #include #define MGMT_QUEUE_NUM 5 #define ETH_ALEN 6 #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 #define IEEE_PARAM_WPAX_SELECT 7 #define AUTH_ALG_OPEN_SYSTEM 0x1 #define AUTH_ALG_SHARED_KEY 0x2 #define AUTH_ALG_LEAP 0x00000004 #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 #define WPA_CIPHER_NONE BIT(0) #define WPA_CIPHER_WEP40 BIT(1) #define WPA_CIPHER_WEP104 BIT(2) #define WPA_CIPHER_TKIP BIT(3) #define WPA_CIPHER_CCMP BIT(4) #define WPA_SELECTOR_LEN 4 #define RSN_HEADER_LEN 4 #define RSN_SELECTOR_LEN 4 enum NETWORK_TYPE { WIRELESS_INVALID = 0, WIRELESS_11B = 1, WIRELESS_11G = 2, WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G), WIRELESS_11A = 4, WIRELESS_11N = 8, WIRELESS_11GN = (WIRELESS_11G | WIRELESS_11N), WIRELESS_11BGN = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N), }; 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; }; #define IEEE80211_DATA_LEN 2304 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section * 6.2.1.1.2. * * The figure in section 7.1.2 suggests a body size of up to 2312 * bytes is allowed, which is a bit confusing, I suspect this * represents the 2304 bytes of real data, plus a possible 8 bytes of * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ #define IEEE80211_HLEN 30 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) /* this is stolen from ipw2200 driver */ #define IEEE_IBSS_MAC_HASH_SIZE 31 struct ieee_ibss_seq { u8 mac[ETH_ALEN]; u16 seq_num; u16 frag_num; unsigned long packet_time; struct list_head list; }; struct ieee80211_hdr { u16 frame_ctl; u16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; u16 seq_ctl; u8 addr4[ETH_ALEN]; } __packed; struct ieee80211_hdr_3addr { u16 frame_ctl; u16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; u16 seq_ctl; } __packed; struct ieee80211_hdr_qos { 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 qc; } __packed; struct ieee80211_hdr_3addr_qos { u16 frame_ctl; u16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; u16 seq_ctl; u16 qc; } __packed; struct eapol { u8 snap[6]; u16 ethertype; u8 version; u8 type; u16 length; } __packed; enum eap_type { EAP_PACKET = 0, EAPOL_START, EAPOL_LOGOFF, EAPOL_KEY, EAPOL_ENCAP_ASF_ALERT }; #define IEEE80211_3ADDR_LEN 24 #define IEEE80211_4ADDR_LEN 30 #define IEEE80211_FCS_LEN 4 #define MIN_FRAG_THRESHOLD 256U #define MAX_FRAG_THRESHOLD 2346U /* Frame control field constants */ #define IEEE80211_FCTL_VERS 0x0002 #define IEEE80211_FCTL_FTYPE 0x000c #define IEEE80211_FCTL_STYPE 0x00f0 #define IEEE80211_FCTL_TODS 0x0100 #define IEEE80211_FCTL_FROMDS 0x0200 #define IEEE80211_FCTL_MOREFRAGS 0x0400 #define IEEE80211_FCTL_RETRY 0x0800 #define IEEE80211_FCTL_PM 0x1000 #define IEEE80211_FCTL_MOREDATA 0x2000 #define IEEE80211_FCTL_WEP 0x4000 #define IEEE80211_FCTL_ORDER 0x8000 #define IEEE80211_FTYPE_MGMT 0x0000 #define IEEE80211_FTYPE_CTL 0x0004 #define IEEE80211_FTYPE_DATA 0x0008 /* management */ #define IEEE80211_STYPE_ASSOC_REQ 0x0000 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 #define IEEE80211_STYPE_PROBE_REQ 0x0040 #define IEEE80211_STYPE_PROBE_RESP 0x0050 #define IEEE80211_STYPE_BEACON 0x0080 #define IEEE80211_STYPE_ATIM 0x0090 #define IEEE80211_STYPE_DISASSOC 0x00A0 #define IEEE80211_STYPE_AUTH 0x00B0 #define IEEE80211_STYPE_DEAUTH 0x00C0 /* control */ #define IEEE80211_STYPE_PSPOLL 0x00A0 #define IEEE80211_STYPE_RTS 0x00B0 #define IEEE80211_STYPE_CTS 0x00C0 #define IEEE80211_STYPE_ACK 0x00D0 #define IEEE80211_STYPE_CFEND 0x00E0 #define IEEE80211_STYPE_CFENDACK 0x00F0 /* data */ #define IEEE80211_STYPE_DATA 0x0000 #define IEEE80211_STYPE_DATA_CFACK 0x0010 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 #define IEEE80211_STYPE_NULLFUNC 0x0040 #define IEEE80211_STYPE_CFACK 0x0050 #define IEEE80211_STYPE_CFPOLL 0x0060 #define IEEE80211_STYPE_CFACKPOLL 0x0070 #define IEEE80211_QOS_DATAGRP 0x0080 #define IEEE80211_SCTL_FRAG 0x000F #define IEEE80211_SCTL_SEQ 0xFFF0 /* QoS,QOS */ #define NORMAL_ACK 0 #define NO_ACK 1 #define NON_EXPLICIT_ACK 2 #define BLOCK_ACK 3 #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 */ #define ETH_P_ECONET 0x0018 #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 */ } __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_QC_GET_TID(qc) ((qc) & 0x0f) #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) #define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ) /* Authentication algorithms */ #define WLAN_AUTH_OPEN 0 #define WLAN_AUTH_SHARED_KEY 1 #define WLAN_AUTH_CHALLENGE_LEN 128 #define WLAN_CAPABILITY_BSS BIT(0) #define WLAN_CAPABILITY_IBSS BIT(1) #define WLAN_CAPABILITY_CF_POLLABLE BIT(2) #define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3) #define WLAN_CAPABILITY_PRIVACY BIT(4) #define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5) #define WLAN_CAPABILITY_PBCC BIT(6) #define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7) #define WLAN_CAPABILITY_SHORT_SLOT BIT(10) /* Information Element IDs */ #define WLAN_EID_SSID 0 #define WLAN_EID_SUPP_RATES 1 #define WLAN_EID_FH_PARAMS 2 #define WLAN_EID_DS_PARAMS 3 #define WLAN_EID_CF_PARAMS 4 #define WLAN_EID_TIM 5 #define WLAN_EID_IBSS_PARAMS 6 #define WLAN_EID_CHALLENGE 16 #define WLAN_EID_RSN 48 #define WLAN_EID_GENERIC 221 #define IEEE80211_MGMT_HDR_LEN 24 #define IEEE80211_DATA_HDR3_LEN 24 #define IEEE80211_DATA_HDR4_LEN 30 #define IEEE80211_STATMASK_SIGNAL BIT(0) #define IEEE80211_STATMASK_RSSI BIT(1) #define IEEE80211_STATMASK_NOISE BIT(2) #define IEEE80211_STATMASK_RATE BIT(3) #define IEEE80211_STATMASK_WEMASK 0x7 #define IEEE80211_CCK_MODULATION BIT(0) #define IEEE80211_OFDM_MODULATION BIT(1) #define IEEE80211_24GHZ_BAND BIT(0) #define IEEE80211_52GHZ_BAND BIT(1) #define IEEE80211_CCK_RATE_LEN 4 #define IEEE80211_NUM_OFDM_RATESLEN 8 #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 BIT(0) #define IEEE80211_CCK_RATE_2MB_MASK BIT(1) #define IEEE80211_CCK_RATE_5MB_MASK BIT(2) #define IEEE80211_CCK_RATE_11MB_MASK BIT(3) #define IEEE80211_OFDM_RATE_6MB_MASK BIT(4) #define IEEE80211_OFDM_RATE_9MB_MASK BIT(5) #define IEEE80211_OFDM_RATE_12MB_MASK BIT(6) #define IEEE80211_OFDM_RATE_18MB_MASK BIT(7) #define IEEE80211_OFDM_RATE_24MB_MASK BIT(8) #define IEEE80211_OFDM_RATE_36MB_MASK BIT(9) #define IEEE80211_OFDM_RATE_48MB_MASK BIT(10) #define IEEE80211_OFDM_RATE_54MB_MASK BIT(11) #define IEEE80211_CCK_RATES_MASK 0x0000000F #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ IEEE80211_CCK_RATE_2MB_MASK) #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ IEEE80211_CCK_RATE_5MB_MASK | \ IEEE80211_CCK_RATE_11MB_MASK) #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ IEEE80211_OFDM_RATE_12MB_MASK | \ IEEE80211_OFDM_RATE_24MB_MASK) #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ IEEE80211_OFDM_RATE_9MB_MASK | \ IEEE80211_OFDM_RATE_18MB_MASK | \ IEEE80211_OFDM_RATE_36MB_MASK | \ IEEE80211_OFDM_RATE_48MB_MASK | \ IEEE80211_OFDM_RATE_54MB_MASK) #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ IEEE80211_CCK_DEFAULT_RATES_MASK) #define IEEE80211_NUM_OFDM_RATES 8 #define IEEE80211_NUM_CCK_RATES 4 #define IEEE80211_OFDM_SHIFT_MASK_A 4 /* NOTE: This data is for statistical purposes; not all hardware provides this * information for frames received. Not setting these will not cause * any adverse affects. */ struct ieee80211_rx_stats { s8 rssi; u8 signal; u8 noise; u8 received_channel; u16 rate; /* in 100 kbps */ u8 mask; u8 freq; u16 len; }; /* IEEE 802.11 requires that STA supports concurrent reception of at least * three fragmented frames. This define can be increased to support more * concurrent frames, but it should be noted that each entry can consume about * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ #define IEEE80211_FRAG_CACHE_LEN 4 struct ieee80211_frag_entry { u32 first_frag_time; uint seq; uint last_frag; uint qos; /*jackson*/ uint tid; /*jackson*/ struct sk_buff *skb; u8 src_addr[ETH_ALEN]; u8 dst_addr[ETH_ALEN]; }; struct ieee80211_stats { uint tx_unicast_frames; uint tx_multicast_frames; uint tx_fragments; uint tx_unicast_octets; uint tx_multicast_octets; uint tx_deferred_transmissions; uint tx_single_retry_frames; uint tx_multiple_retry_frames; uint tx_retry_limit_exceeded; uint tx_discards; uint rx_unicast_frames; uint rx_multicast_frames; uint rx_fragments; uint rx_unicast_octets; uint rx_multicast_octets; uint rx_fcs_errors; uint rx_discards_no_buffer; uint tx_discards_wrong_sa; uint rx_discards_undecryptable; uint rx_message_in_msg_fragments; uint rx_message_in_bad_msg_fragments; }; struct ieee80211_softmac_stats { uint rx_ass_ok; uint rx_ass_err; uint rx_probe_rq; uint tx_probe_rs; uint tx_beacons; uint rx_auth_rq; uint rx_auth_rs_ok; uint rx_auth_rs_err; uint tx_auth_rq; uint no_auth_rs; uint no_ass_rs; uint tx_ass_rq; uint rx_ass_rq; uint tx_probe_rq; uint reassoc; uint swtxstop; uint swtxawake; }; #define SEC_KEY_1 BIT(0) #define SEC_KEY_2 BIT(1) #define SEC_KEY_3 BIT(2) #define SEC_KEY_4 BIT(3) #define SEC_ACTIVE_KEY BIT(4) #define SEC_AUTH_MODE BIT(5) #define SEC_UNICAST_GROUP BIT(6) #define SEC_LEVEL BIT(7) #define SEC_ENABLED BIT(8) #define SEC_LEVEL_0 0 /* None */ #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ #define WEP_KEYS 4 #define WEP_KEY_LEN 13 struct ieee80211_security { u16 active_key:2, enabled:1, auth_mode:2, auth_algo:4, unicast_uses_group:1; u8 key_sizes[WEP_KEYS]; u8 keys[WEP_KEYS][WEP_KEY_LEN]; u8 level; u16 flags; } __packed; /* * * 802.11 data frame from AP * * ,-------------------------------------------------------------------. * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | * |------|------|---------|---------|---------|------|---------|------| * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | * | | tion | (BSSID) | | | ence | data | | * `-------------------------------------------------------------------' * * Total: 28-2340 bytes * */ struct ieee80211_header_data { u16 frame_ctl; u16 duration_id; u8 addr1[6]; u8 addr2[6]; u8 addr3[6]; u16 seq_ctrl; }; #define BEACON_PROBE_SSID_ID_POSITION 12 /* Management Frame Information Element Types */ #define MFIE_TYPE_SSID 0 #define MFIE_TYPE_RATES 1 #define MFIE_TYPE_FH_SET 2 #define MFIE_TYPE_DS_SET 3 #define MFIE_TYPE_CF_SET 4 #define MFIE_TYPE_TIM 5 #define MFIE_TYPE_IBSS_SET 6 #define MFIE_TYPE_CHALLENGE 16 #define MFIE_TYPE_ERP 42 #define MFIE_TYPE_RSN 48 #define MFIE_TYPE_RATES_EX 50 #define MFIE_TYPE_GENERIC 221 struct ieee80211_info_element_hdr { u8 id; u8 len; } __packed; struct ieee80211_info_element { u8 id; u8 len; u8 data[0]; } __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; } __packed; u32 time_stamp[2]; u16 reason; u16 status; */ #define IEEE80211_DEFAULT_TX_ESSID "Penguin" #define IEEE80211_DEFAULT_BASIC_RATE 10 struct ieee80211_authentication { struct ieee80211_header_data header; u16 algorithm; u16 transaction; u16 status; } __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; } __packed; struct ieee80211_probe_request { struct ieee80211_header_data header; } __packed; struct ieee80211_assoc_request_frame { struct ieee80211_hdr_3addr header; u16 capability; u16 listen_interval; struct ieee80211_info_element_hdr info_element; } __packed; struct ieee80211_assoc_response_frame { struct ieee80211_hdr_3addr header; u16 capability; u16 status; u16 aid; } __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 161 #define IEEE80211_SOFTMAC_SCAN_TIME 400 /*(HZ / 2)*/ #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) #define CRC_LENGTH 4U #define MAX_WPA_IE_LEN 128 #define NETWORK_EMPTY_ESSID BIT(0) #define NETWORK_HAS_OFDM BIT(1) #define NETWORK_HAS_CCK BIT(2) #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 IW_ESSID_MAX_SIZE 32 /* * join_res: * -1: authentication fail * -2: association fail * > 0: TID */ 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 authenticated * 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 BIT(0) #define CFG_IEEE80211_COMPUTE_FCS BIT(1) #define MAXTID 16 #define IEEE_A BIT(0) #define IEEE_B BIT(1) #define IEEE_G BIT(2) #define IEEE_MODE_MASK (IEEE_A | IEEE_B | IEEE_G) 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] == ' ') 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; } static inline int ieee80211_get_hdrlen(u16 fc) { int hdrlen = 24; switch (WLAN_FC_GET_TYPE(fc)) { case IEEE80211_FTYPE_DATA: if (fc & IEEE80211_QOS_DATAGRP) hdrlen += 2; if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) hdrlen += 6; /* Addr4 */ break; case IEEE80211_FTYPE_CTL: switch (WLAN_FC_GET_STYPE(fc)) { case IEEE80211_STYPE_CTS: case IEEE80211_STYPE_ACK: hdrlen = 10; break; default: hdrlen = 16; break; } break; } return hdrlen; } struct registry_priv; u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen); u8 *r8712_get_ie(u8 *pbuf, sint index, sint *len, sint limit); unsigned char *r8712_get_wpa_ie(unsigned char *pie, int *rsn_ie_len, int limit); unsigned char *r8712_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit); int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher); int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher); int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len); int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen); int r8712_generate_ie(struct registry_priv *pregistrypriv); uint r8712_is_cckrates_included(u8 *rate); uint r8712_is_cckratesonly_included(u8 *rate); #endif /* IEEE80211_H */