/source/kernel/android-2.6.35/drivers/staging/rtl8192su/ieee80211/ieee80211.h
C++ Header | 1908 lines | 1309 code | 285 blank | 314 comment | 41 complexity | 0d11b11bff95c9abbee7bf0c1591639f MD5 | raw file
Possible License(s): AGPL-1.0, LGPL-3.0, 0BSD, MPL-2.0-no-copyleft-exception, GPL-2.0, LGPL-2.0, BSD-3-Clause, LGPL-2.1, Apache-2.0, AGPL-3.0, GPL-3.0
- /*
- * 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
- * <jkmaline@cc.hut.fi>
- * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
- *
- * Adaption to a generic IEEE 802.11 stack by James Ketrenos
- * <jketreno@linux.intel.com>
- * Copyright (c) 2004, Intel Corporation
- *
- * Modified for Realtek's wi-fi cards by Andrea Merello
- * <andreamrl@tiscali.it>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation. See README and COPYING for
- * more details.
- */
- #ifndef IEEE80211_H
- #define IEEE80211_H
- #include <linux/if_ether.h> /* ETH_ALEN */
- #include <linux/kernel.h> /* ARRAY_SIZE */
- #include <linux/version.h>
- #include <linux/module.h>
- #include <linux/jiffies.h>
- #include <linux/timer.h>
- #include <linux/sched.h>
- #include <linux/semaphore.h>
- #include <linux/delay.h>
- #include <linux/wireless.h>
- #include <linux/ieee80211.h>
- #include "rtl819x_HT.h"
- #include "rtl819x_BA.h"
- #include "rtl819x_TS.h"
- #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 (((priv->ieee80211->current_network.mode == IEEE_A) || \
- (priv->ieee80211->current_network.mode == IEEE_N_24G) || \
- (priv->ieee80211->current_network.mode == IEEE_N_5G)) \
- ? 16 : 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
- #define MAX_IE_LEN 0xff
- 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_rsl 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_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 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_FRAMETYPE 0x00fc
- #define IEEE80211_FCTL_DSTODS 0x0300 //added by david
- #define IEEE80211_FCTL_WEP 0x4000
- /* management */
- #define IEEE80211_STYPE_MANAGE_ACT 0x00D0
- /* control */
- #define IEEE80211_STYPE_BLOCKACK 0x0094
- /* QOS control */
- #define IEEE80211_QCTL_TID 0x000F
- /* debug macros */
- #define CONFIG_IEEE80211_DEBUG
- #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: " fmt, ## args); \
- } while (0)
- #define IEEE80211_DEBUG_DATA(level, data, datalen) \
- do { \
- if ((ieee80211_debug_level & (level)) == (level)) { \
- u8 *pdata = (u8 *)data; \
- int i; \
- printk(KERN_DEBUG "ieee80211: %s()\n", __func__); \
- for (i = 0; i < (int)(datalen); i++) { \
- printk("%2x ", pdata[i]); \
- if ((i + 1) % 16 == 0) \
- printk("\n"); \
- } \
- printk("\n"); \
- } \
- } while (0)
- #else
- #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
- #define IEEE80211_DEBUG_DATA(level, data, datalen) 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_DL_HT (1 << 10)
- #define IEEE80211_DL_BA (1 << 11)
- #define IEEE80211_DL_TS (1 << 12)
- #define IEEE80211_DL_QOS (1 << 13)
- #define IEEE80211_DL_REORDER (1 << 14)
- #define IEEE80211_DL_IOT (1 << 15)
- #define IEEE80211_DL_IPS (1 << 16)
- #define IEEE80211_DL_TRACE (1 << 29)
- #define IEEE80211_DL_DATA (1 << 30)
- #define IEEE80211_DL_ERR (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_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)
- #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
- #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_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_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
- #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
- #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
- #define RTL_WLAN_AUTH_LEAP 2
- #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];
- 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;
- u8 nic_type;
- u16 Length;
- u8 SignalQuality; /* in 0-100 index */
- /* real power in dBm for this packet, no beautification & aggregation */
- s32 RecvSignalPower;
- s8 RxPower; /* in dBm Translate from PWdB */
- u8 SignalStrength; /* in 0-100 index */
- u16 bHwError:1;
- u16 bCRC:1;
- u16 bICV:1;
- u16 bShortPreamble:1;
- u16 Antenna:1; /* RTL8185 */
- u16 Decrypted:1; /* RTL8185, RTL8187 */
- u16 Wakeup:1; /* RTL8185 */
- u16 Reserved0:1; /* RTL8185 */
- u8 AGC;
- u32 TimeStampLow;
- u32 TimeStampHigh;
- bool bShift;
- bool bIsQosData;
- u8 UserPriority;
- /* < 11n or 8190 specific code */
- u8 RxDrvInfoSize;
- u8 RxBufShift;
- bool bIsAMPDU;
- bool bFirstMPDU;
- bool bContainHTC;
- bool RxIs40MHzPacket;
- u32 RxPWDBAll;
- u8 RxMIMOSignalStrength[4]; /* in 0~100 index */
- s8 RxMIMOSignalQuality[2];
- bool bPacketMatchBSSID;
- bool bIsCCK;
- bool bPacketToSelf;
- u8 *virtual_address;
- /* total packet length: must equal to sum of all FragLength */
- u16 packetlength;
- /* FragLength should equal to PacketLength in non-fragment case */
- u16 fraglength;
- u16 fragoffset; /* data offset for this fragment */
- u16 ntotalfrag;
- bool bisrxaggrsubframe;
- bool bPacketBeacon; /* for rssi */
- bool bToSelfBA; /* for rssi */
- char cck_adc_pwdb[4]; /* for rx path selection */
- u16 Seq_Num;
- u8 nTotalAggPkt; /* number of aggregated packets */
- };
- /* 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 SCM_KEY_LEN 32
- struct ieee80211_security {
- u16 active_key:2,
- enabled:1,
- auth_mode:2,
- auth_algo:4,
- unicast_uses_group:1,
- encrypt:1;
- 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
- */
- /* 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_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 = 42,
- MFIE_TYPE_RSN = 48,
- MFIE_TYPE_RATES_EX = 50,
- MFIE_TYPE_HT_CAP= 45,
- MFIE_TYPE_HT_INFO= 61,
- MFIE_TYPE_AIRONET=133,
- MFIE_TYPE_GENERIC = 221,
- MFIE_TYPE_QOS_PARAMETER = 222,
- };
- /* 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 rtl_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_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 {
- u8 id;
- u8 len;
- u8 data[0];
- } __attribute__ ((packed));
- struct ieee80211_authentication {
- struct ieee80211_hdr_3addr header;
- __le16 algorithm;
- __le16 transaction;
- __le16 status;
- /* challenge */
- struct ieee80211_info_element info_element[0];
- } __attribute__ ((packed));
- struct ieee80211_disassoc {
- struct ieee80211_hdr_3addr header;
- __le16 reason;
- } __attribute__ ((packed));
- 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];
- __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));
- struct ieee80211_assoc_request_frame {
- 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_frame {
- struct ieee80211_hdr_3addr header;
- __le16 capability;
- __le16 listen_interval;
- u8 current_ap[ETH_ALEN];
- /* SSID, supported rates, RSN */
- struct ieee80211_info_element info_element[0];
- } __attribute__ ((packed));
- struct ieee80211_assoc_response_frame {
- struct ieee80211_hdr_3addr header;
- __le16 capability;
- __le16 status;
- __le16 aid;
- struct ieee80211_info_element info_element[0]; /* supported rates */
- } __attribute__ ((packed));
- struct ieee80211_txb {
- u8 nr_frags;
- u8 encrypted;
- u8 queue_index;
- u8 rts_included;
- u16 reserved;
- __le16 frag_size;
- __le16 payload_size;
- struct sk_buff *fragments[0];
- };
- #define MAX_SUBFRAME_COUNT 64
- struct ieee80211_rxb {
- u8 nr_subframes;
- struct sk_buff *subframes[MAX_SUBFRAME_COUNT];
- u8 dst[ETH_ALEN];
- u8 src[ETH_ALEN];
- }__attribute__((packed));
- /* 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 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)
- /* 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)
- #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));
- 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 ((u32)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;
- unsigned char CurrentShowTxate;
- unsigned char last_packet_rate;
- unsigned int txretrycount;
- };
- #define BEACON_PROBE_SSID_ID_POSITION 12
- struct ieee80211_info_element_hdr {
- u8 id;
- u8 len;
- } __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;
- */
- #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
- #define IEEE80211_DEFAULT_BASIC_RATE 2 /* 1Mbps */
- 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 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
- //added by David for QoS 2006/6/30
- //#define WMM_Hang_8187
- #ifdef WMM_Hang_8187
- #undef WMM_Hang_8187
- #endif
- #define WME_AC_BK 0x00
- #define WME_AC_BE 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 */
- /* length of two Ethernet address plus ether type */
- #define ETHERNET_HEADER_SIZE 14
- 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;
- struct ieee80211_qos_data qos_data;
- /* for LEAP */
- bool bWithAironetIE;
- bool bCkipSupported;
- bool bCcxRmEnable;
- u16 CcxRmState[2];
- /* CCXv4 S59, MBSSID. */
- bool bMBssidValid;
- u8 MBssidMask;
- u8 MBssid[6];
- /* CCX 2 S38, WLAN Device Version Number element. */
- bool bWithCcxVerNum;
- u8 BssCcxVerNumber;
- /* 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;
- u8 dtim_period;
- u8 dtim_data;
- u32 last_dtim_sta_time[2];
- //appeded for QoS
- u8 wmm_info;
- struct ieee80211_wmm_ac_param wmm_param[4];
- u8 QoS_Enable;
- u8 Turbo_Enable;//enable turbo mode, added by thomas
- u16 CountryIeLen;
- u8 CountryIeBuf[MAX_IE_LEN];
- /* HT Related */
- BSS_HT bssht;
- /* Added to handle broadcom AP management frame CCK rate. */
- bool broadcom_cap_exist;
- bool realtek_cap_exit;
- bool marvell_cap_exist;
- bool ralink_cap_exist;
- bool atheros_cap_exist;
- bool cisco_cap_exist;
- bool unknown_cap_exist;
- bool berp_info_valid;
- bool buseprotection;
- struct list_head list; /* put at the end of the structure */
- };
- 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)
- #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)
- 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,
- COUNTRY_CODE_MIC,
- COUNTRY_CODE_GLOBAL_DOMAIN
- };
- #include "ieee80211_r8192s.h"
- struct ieee80211_device {
- struct net_device *dev;
- struct ieee80211_security sec;
- /* hw security related */
- u8 hwsec_active;
- bool is_silent_reset;
- bool is_roaming;
- bool ieee_up;
- bool bSupportRemoteWakeUp;
- RT_PS_MODE dot11PowerSaveMode;
- bool actscanning;
- bool be_scan_inprogress;
- bool beinretry;
- RT_RF_POWER_STATE eRFPowerState;
- u32 RfOffReason;
- bool is_set_key;
- /* 11n HT below */
- PRT_HIGH_THROUGHPUT pHTInfo;
- spinlock_t bw_spinlock;
- spinlock_t reorder_spinlock;
- /*
- * for HT operation rate set, we use this one for HT data rate to
- * separate different descriptors the way fill this is the same as
- * in the IE
- */
- u8 Regdot11HTOperationalRateSet[16]; /* use RATR format */
- u8 dot11HTOperationalRateSet[16]; /* use RATR format */
- u8 RegHTSuppRateSet[16];
- u8 HTCurrentOperaRate;
- u8 HTHighestOperaRate;
- /* for rate operation mode to firmware */
- u8 bTxDisableRateFallBack;
- u8 bTxUseDriverAssingedRate;
- atomic_t atm_chnlop;
- atomic_t atm_swbw;
- /* 802.11e and WMM Traffic Stream Info (TX) */
- struct list_head Tx_TS_Admit_List;
- struct list_head Tx_TS_Pending_List;
- struct list_head Tx_TS_Unused_List;
- TX_TS_RECORD TxTsRecord[TOTAL_TS_NUM];
- /* 802.11e and WMM Traffic Stream Info (RX) */
- struct list_head Rx_TS_Admit_List;
- struct list_head Rx_TS_Pending_List;
- struct list_head Rx_TS_Unused_List;
- RX_TS_RECORD RxTsRecord[TOTAL_TS_NUM];
- RX_REORDER_ENTRY RxReorderEntry[128];
- struct list_head RxReorder_Unused_List;
- /* Qos related */
- /* Force per-packet priority 1~7. (default: 0, not to force it.) */
- u8 ForcedPriority;
- /* 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_*) */
- struct iw_spy_data spy_data;
- 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 auth_mode;
- 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 */
- bool bHalfWirelessN24GMode;
- 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 group_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 crypt_quiesced;
- 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 */
- #define DEFAULT_RTS_THRESHOLD 2346U
- #define MIN_RTS_THRESHOLD 1
- #define MAX_RTS_THRESHOLD 2346U
- u16 rts; /* RTS threshold */
- /* Association info */
- u8 bssid[ETH_ALEN];
- /* 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 reg_mode;
- 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;
- u16 scan_watch_dog;
- int perfect_rssi;
- int worst_rssi;
- u16 prev_seq_ctl; /* used to drop duplicate frames */
- /*
- * map of allowed channels. 0 is dummy, FIXME: remeber to default to
- * a basic channel plan depending of the PHY type
- */
- void *pDot11dInfo;
- bool bGlobalDomain;
- 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*/
- u8 ack_tx_to_ieee;
- short ps;
- short sta_sleep;
- int ps_timeout;
- int ps_period;
- 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;
- /* set on initialization */
- u8 qos_support;
- /* 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;
- /* rtl819x start */
- u8 AsocRetryCount;
- unsigned int hw_header;
- struct sk_buff_head skb_waitQ[MAX_QUEUE_SIZE];
- struct sk_buff_head skb_aggQ[MAX_QUEUE_SIZE];
- struct sk_buff_head skb_drv_aggQ[MAX_QUEUE_SIZE];
- u32 sta_edca_param[4];
- bool aggregation;
- /* Enable/Disable Rx immediate BA capability. */
- bool enable_rx_imm_BA;
- bool bibsscoordinator;
- /* Dynamic Tx power for near/far range enable/disable. */
- bool bdynamic_txpower_enable;
- bool bCTSToSelfEnable;
- u8 CTSToSelfTH;
- u32 fsync_time_interval;
- u32 fsync_rate_bitmap;
- u8 fsync_rssi_threshold;
- bool bfsync_enable;
- u8 fsync_multiple_timeinterval; /* value * FsyncTimeInterval */
- u32 fsync_firstdiff_ratethreshold; /* low threshold */
- u32 fsync_seconddiff_ratethreshold; /* decrease threshold */
- Fsync_State fsync_state;
- bool bis_any_nonbepkts;
- /* 20Mhz 40Mhz AutoSwitch Threshold */
- struct bandwidth_autoswitch bandwidth_auto_switch;
- /* for txpower tracking */
- bool FwRWRF;
- /* for AP roaming */
- struct rt_link_detect LinkDetectInfo;
- struct rt_power_save_control PowerSaveControl;
- /* rtl819x end */
- /* 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_procedure_wq;
- struct delayed_work softmac_scan_wq;
- struct delayed_work associate_retry_wq;
- struct delayed_work start_ibss_wq;
- struct delayed_work hw_wakeup_wq;
- struct delayed_work hw_sleep_wq;
- struct delayed_work link_change_wq;
- struct work_struct wx_sync_scan_wq;
- 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);
- 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);
- /* 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 fucntion 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 fucntion stop_scan should stop both the syncro and
- * background scanning and can sleep.
- * The fucntion 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 (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl);
- short (*ps_is_queue_empty) (struct net_device *dev);
- int (*handle_beacon)(struct net_device *dev,
- struct ieee80211_probe_response *beacon,
- struct ieee80211_network *network);
- int (*handle_assoc_response)(struct net_device *dev,
- struct ieee80211_assoc_response_frame *resp,
- struct ieee80211_network *network);
- /* check whether Tx hw resouce available */
- short (*check_nic_enough_desc)(struct net_device *dev, int queue_index);
- /* HT related */
- void (*SetBWModeHandler)(struct net_device *dev,
- HT_CHANNEL_WIDTH Bandwidth,
- HT_EXTCHNL_OFFSET Offset);
- bool (*GetNmodeSupportBySecCfg)(struct net_device* dev);
- void (*SetWirelessMode)(struct net_device* dev, u8 wireless_mode);
- bool (*GetHalfNmodeSupportByAPsHandler)(struct net_device* dev);
- bool (*is_ap_in_wep_tkip)(struct net_device* dev);
- void (*InitialGainHandler)(struct net_device *dev, u8 Operation);
- bool (*SetFwCmdHandler)(struct net_device *dev, FW_CMD_IO_TYPE FwCmdIO);
- void (*LedControlHandler)(struct net_device *dev,
- LED_CTL_MODE LedAction);
- /* 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_N_24G (1<<4)
- #define IEEE_N_5G (1<<5)
- #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 = IEEE80211_3ADDR_LEN;
- switch (WLAN_FC_GET_TYPE(fc)) {
- case IEEE80211_FTYPE_DATA:
- if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
- hdrlen = IEEE80211_4ADDR_LEN; /* 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 = IEEE80211_1ADDR_LEN;
- break;
- default:
- hdrlen = IEEE80211_2ADDR_LEN;
- break;
- }
- break;
- }
- return hdrlen;
- }
- static inline u8 *ieee80211_get_payload(struct rtl_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 (void *)hdr+sizeof(struct ieee80211_hdr_3addr);
- 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_encrypt_fragment(
- struct ieee80211_device *ieee,
- struct sk_buff *frag,
- int hdr_len);
- extern int rtl8192_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);
- extern int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
- struct iw_request_info *info,
- struct iw_param *data, char *extra);
- extern int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra);
- extern 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);
- void SendDisassociation(struct ieee80211_device *ieee, u8* asSta, u8 asRsn);
- extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee);
- extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee);
- extern void notify_wx_assoc_event(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 softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee);
- /* 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 int ieee80211_wx_set_rts(struct ieee80211_device *ieee,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra);
- extern int ieee80211_wx_get_rts(struct ieee80211_device *ieee,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra);
- extern void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee);
- 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, "<hidden>", sizeof("<hidden>"));
- return escaped;
- }
- essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
- while (essid_len--) {
- if (*s == '\0') {
- *d++ = '\\';
- *d++ = '0';
- s++;
- } else {
- *d++ = *s++;
- }
- }
- *d = '\0';
- return escaped;
- }
- /* For the function is more related to hardware setting, it's better to use the
- * ieee handler to refer to it.
- */
- extern short check_nic_enough_desc(struct net_device *dev, int queue_index);
- extern int ieee80211_data_xmit(struct sk_buff *skb, struct net_device *dev);
- extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
- struct ieee80211_info_element *info_element,
- u16 length,
- struct ieee80211_network *network,
- struct ieee80211_rx_stats *stats);
- extern void ieee80211_indicate_packets(struct ieee80211_device *ieee,
- struct ieee80211_rxb **prxbIndicateArray,
- u8 index);
- #define RT_ASOC_RETRY_LIMIT 5
- #endif /* IEEE80211_H */