airo.c 218 KB
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/*======================================================================

    Aironet driver for 4500 and 4800 series cards

    This code is released under both the GPL version 2 and BSD licenses.
    Either license may be used.  The respective licenses are found at
    the end of this file.

    This code was developed by Benjamin Reed <breed@users.sourceforge.net>
    including portions of which come from the Aironet PC4500
    Developer's Reference Manual and used with permission.  Copyright
    (C) 1999 Benjamin Reed.  All Rights Reserved.  Permission to use
    code in the Developer's manual was granted for this driver by
    Aironet.  Major code contributions were received from Javier Achirica
    <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>.
    Code was also integrated from the Cisco Aironet driver for Linux.
    Support for MPI350 cards was added by Fabrice Bellet
    <fabrice@bellet.info>.

======================================================================*/

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#include <linux/err.h>
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#include <linux/init.h>

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>

#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/in.h>
#include <linux/bitops.h>
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#include <linux/scatterlist.h>
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#include <linux/crypto.h>
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#include <asm/io.h>
#include <asm/system.h>

#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <asm/uaccess.h>
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#include <net/ieee80211.h>
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#include <linux/kthread.h>
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#include <linux/freezer.h>
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#include "airo.h"

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#define DRV_NAME "airo"

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#ifdef CONFIG_PCI
static struct pci_device_id card_ids[] = {
	{ 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID },
	{ 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, },
	{ 0, }
};
MODULE_DEVICE_TABLE(pci, card_ids);

static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *);
static void airo_pci_remove(struct pci_dev *);
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static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state);
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static int airo_pci_resume(struct pci_dev *pdev);

static struct pci_driver airo_driver = {
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	.name     = DRV_NAME,
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	.id_table = card_ids,
	.probe    = airo_pci_probe,
	.remove   = __devexit_p(airo_pci_remove),
	.suspend  = airo_pci_suspend,
	.resume   = airo_pci_resume,
};
#endif /* CONFIG_PCI */

/* Include Wireless Extension definition and check version - Jean II */
#include <linux/wireless.h>
#define WIRELESS_SPY		// enable iwspy support
#include <net/iw_handler.h>	// New driver API

#define CISCO_EXT		// enable Cisco extensions
#ifdef CISCO_EXT
#include <linux/delay.h>
#endif

/* Hack to do some power saving */
#define POWER_ON_DOWN

/* As you can see this list is HUGH!
   I really don't know what a lot of these counts are about, but they
   are all here for completeness.  If the IGNLABEL macro is put in
   infront of the label, that statistic will not be included in the list
   of statistics in the /proc filesystem */

#define IGNLABEL(comment) NULL
static char *statsLabels[] = {
	"RxOverrun",
	IGNLABEL("RxPlcpCrcErr"),
	IGNLABEL("RxPlcpFormatErr"),
	IGNLABEL("RxPlcpLengthErr"),
	"RxMacCrcErr",
	"RxMacCrcOk",
	"RxWepErr",
	"RxWepOk",
	"RetryLong",
	"RetryShort",
	"MaxRetries",
	"NoAck",
	"NoCts",
	"RxAck",
	"RxCts",
	"TxAck",
	"TxRts",
	"TxCts",
	"TxMc",
	"TxBc",
	"TxUcFrags",
	"TxUcPackets",
	"TxBeacon",
	"RxBeacon",
	"TxSinColl",
	"TxMulColl",
	"DefersNo",
	"DefersProt",
	"DefersEngy",
	"DupFram",
	"RxFragDisc",
	"TxAged",
	"RxAged",
	"LostSync-MaxRetry",
	"LostSync-MissedBeacons",
	"LostSync-ArlExceeded",
	"LostSync-Deauth",
	"LostSync-Disassoced",
	"LostSync-TsfTiming",
	"HostTxMc",
	"HostTxBc",
	"HostTxUc",
	"HostTxFail",
	"HostRxMc",
	"HostRxBc",
	"HostRxUc",
	"HostRxDiscard",
	IGNLABEL("HmacTxMc"),
	IGNLABEL("HmacTxBc"),
	IGNLABEL("HmacTxUc"),
	IGNLABEL("HmacTxFail"),
	IGNLABEL("HmacRxMc"),
	IGNLABEL("HmacRxBc"),
	IGNLABEL("HmacRxUc"),
	IGNLABEL("HmacRxDiscard"),
	IGNLABEL("HmacRxAccepted"),
	"SsidMismatch",
	"ApMismatch",
	"RatesMismatch",
	"AuthReject",
	"AuthTimeout",
	"AssocReject",
	"AssocTimeout",
	IGNLABEL("ReasonOutsideTable"),
	IGNLABEL("ReasonStatus1"),
	IGNLABEL("ReasonStatus2"),
	IGNLABEL("ReasonStatus3"),
	IGNLABEL("ReasonStatus4"),
	IGNLABEL("ReasonStatus5"),
	IGNLABEL("ReasonStatus6"),
	IGNLABEL("ReasonStatus7"),
	IGNLABEL("ReasonStatus8"),
	IGNLABEL("ReasonStatus9"),
	IGNLABEL("ReasonStatus10"),
	IGNLABEL("ReasonStatus11"),
	IGNLABEL("ReasonStatus12"),
	IGNLABEL("ReasonStatus13"),
	IGNLABEL("ReasonStatus14"),
	IGNLABEL("ReasonStatus15"),
	IGNLABEL("ReasonStatus16"),
	IGNLABEL("ReasonStatus17"),
	IGNLABEL("ReasonStatus18"),
	IGNLABEL("ReasonStatus19"),
	"RxMan",
	"TxMan",
	"RxRefresh",
	"TxRefresh",
	"RxPoll",
	"TxPoll",
	"HostRetries",
	"LostSync-HostReq",
	"HostTxBytes",
	"HostRxBytes",
	"ElapsedUsec",
	"ElapsedSec",
	"LostSyncBetterAP",
	"PrivacyMismatch",
	"Jammed",
	"DiscRxNotWepped",
	"PhyEleMismatch",
	(char*)-1 };
#ifndef RUN_AT
#define RUN_AT(x) (jiffies+(x))
#endif


/* These variables are for insmod, since it seems that the rates
   can only be set in setup_card.  Rates should be a comma separated
   (no spaces) list of rates (up to 8). */

static int rates[8];
static int basic_rate;
static char *ssids[3];

static int io[4];
static int irq[4];

static
int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at.
		       0 means no limit.  For old cards this was 4 */

static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */
static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read
		    the bap, needed on some older cards and buses. */
static int adhoc;

static int probe = 1;

static int proc_uid /* = 0 */;

static int proc_gid /* = 0 */;

static int airo_perm = 0555;

static int proc_perm = 0644;

MODULE_AUTHOR("Benjamin Reed");
MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \
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cards.  Direct support for ISA/PCI/MPI cards and support \
for PCMCIA when used with airo_cs.");
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MODULE_LICENSE("Dual BSD/GPL");
MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350");
module_param_array(io, int, NULL, 0);
module_param_array(irq, int, NULL, 0);
module_param(basic_rate, int, 0);
module_param_array(rates, int, NULL, 0);
module_param_array(ssids, charp, NULL, 0);
module_param(auto_wep, int, 0);
MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \
the authentication options until an association is made.  The value of \
auto_wep is number of the wep keys to check.  A value of 2 will try using \
the key at index 0 and index 1.");
module_param(aux_bap, int, 0);
MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \
than seems to work better for older cards with some older buses.  Before \
switching it checks that the switch is needed.");
module_param(maxencrypt, int, 0);
MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \
encryption.  Units are in 512kbs.  Zero (default) means there is no limit. \
Older cards used to be limited to 2mbs (4).");
module_param(adhoc, int, 0);
MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
module_param(probe, int, 0);
MODULE_PARM_DESC(probe, "If zero, the driver won't start the card.");

module_param(proc_uid, int, 0);
MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
module_param(proc_gid, int, 0);
MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
module_param(airo_perm, int, 0);
MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
module_param(proc_perm, int, 0);
MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");

/* This is a kind of sloppy hack to get this information to OUT4500 and
   IN4500.  I would be extremely interested in the situation where this
   doesn't work though!!! */
static int do8bitIO = 0;

/* Return codes */
#define SUCCESS 0
#define ERROR -1
#define NO_PACKET -2

/* Commands */
#define NOP2		0x0000
#define MAC_ENABLE	0x0001
#define MAC_DISABLE	0x0002
#define CMD_LOSE_SYNC	0x0003 /* Not sure what this does... */
#define CMD_SOFTRESET	0x0004
#define HOSTSLEEP	0x0005
#define CMD_MAGIC_PKT	0x0006
#define CMD_SETWAKEMASK	0x0007
#define CMD_READCFG	0x0008
#define CMD_SETMODE	0x0009
#define CMD_ALLOCATETX	0x000a
#define CMD_TRANSMIT	0x000b
#define CMD_DEALLOCATETX 0x000c
#define NOP		0x0010
#define CMD_WORKAROUND	0x0011
#define CMD_ALLOCATEAUX 0x0020
#define CMD_ACCESS	0x0021
#define CMD_PCIBAP	0x0022
#define CMD_PCIAUX	0x0023
#define CMD_ALLOCBUF	0x0028
#define CMD_GETTLV	0x0029
#define CMD_PUTTLV	0x002a
#define CMD_DELTLV	0x002b
#define CMD_FINDNEXTTLV	0x002c
#define CMD_PSPNODES	0x0030
#define CMD_SETCW	0x0031    
#define CMD_SETPCF	0x0032    
#define CMD_SETPHYREG	0x003e
#define CMD_TXTEST	0x003f
#define MAC_ENABLETX	0x0101
#define CMD_LISTBSS	0x0103
#define CMD_SAVECFG	0x0108
#define CMD_ENABLEAUX	0x0111
#define CMD_WRITERID	0x0121
#define CMD_USEPSPNODES	0x0130
#define MAC_ENABLERX	0x0201

/* Command errors */
#define ERROR_QUALIF 0x00
#define ERROR_ILLCMD 0x01
#define ERROR_ILLFMT 0x02
#define ERROR_INVFID 0x03
#define ERROR_INVRID 0x04
#define ERROR_LARGE 0x05
#define ERROR_NDISABL 0x06
#define ERROR_ALLOCBSY 0x07
#define ERROR_NORD 0x0B
#define ERROR_NOWR 0x0C
#define ERROR_INVFIDTX 0x0D
#define ERROR_TESTACT 0x0E
#define ERROR_TAGNFND 0x12
#define ERROR_DECODE 0x20
#define ERROR_DESCUNAV 0x21
#define ERROR_BADLEN 0x22
#define ERROR_MODE 0x80
#define ERROR_HOP 0x81
#define ERROR_BINTER 0x82
#define ERROR_RXMODE 0x83
#define ERROR_MACADDR 0x84
#define ERROR_RATES 0x85
#define ERROR_ORDER 0x86
#define ERROR_SCAN 0x87
#define ERROR_AUTH 0x88
#define ERROR_PSMODE 0x89
#define ERROR_RTYPE 0x8A
#define ERROR_DIVER 0x8B
#define ERROR_SSID 0x8C
#define ERROR_APLIST 0x8D
#define ERROR_AUTOWAKE 0x8E
#define ERROR_LEAP 0x8F

/* Registers */
#define COMMAND 0x00
#define PARAM0 0x02
#define PARAM1 0x04
#define PARAM2 0x06
#define STATUS 0x08
#define RESP0 0x0a
#define RESP1 0x0c
#define RESP2 0x0e
#define LINKSTAT 0x10
#define SELECT0 0x18
#define OFFSET0 0x1c
#define RXFID 0x20
#define TXALLOCFID 0x22
#define TXCOMPLFID 0x24
#define DATA0 0x36
#define EVSTAT 0x30
#define EVINTEN 0x32
#define EVACK 0x34
#define SWS0 0x28
#define SWS1 0x2a
#define SWS2 0x2c
#define SWS3 0x2e
#define AUXPAGE 0x3A
#define AUXOFF 0x3C
#define AUXDATA 0x3E

#define FID_TX 1
#define FID_RX 2
/* Offset into aux memory for descriptors */
#define AUX_OFFSET 0x800
/* Size of allocated packets */
#define PKTSIZE 1840
#define RIDSIZE 2048
/* Size of the transmit queue */
#define MAXTXQ 64

/* BAP selectors */
#define BAP0 0 // Used for receiving packets
#define BAP1 2 // Used for xmiting packets and working with RIDS

/* Flags */
#define COMMAND_BUSY 0x8000

#define BAP_BUSY 0x8000
#define BAP_ERR 0x4000
#define BAP_DONE 0x2000

#define PROMISC 0xffff
#define NOPROMISC 0x0000

#define EV_CMD 0x10
#define EV_CLEARCOMMANDBUSY 0x4000
#define EV_RX 0x01
#define EV_TX 0x02
#define EV_TXEXC 0x04
#define EV_ALLOC 0x08
#define EV_LINK 0x80
#define EV_AWAKE 0x100
#define EV_TXCPY 0x400
#define EV_UNKNOWN 0x800
#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */
#define EV_AWAKEN 0x2000
#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC)

#ifdef CHECK_UNKNOWN_INTS
#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
#else
#define IGNORE_INTS (~STATUS_INTS)
#endif

/* RID TYPES */
#define RID_RW 0x20

/* The RIDs */
#define RID_CAPABILITIES 0xFF00
#define RID_APINFO     0xFF01
#define RID_RADIOINFO  0xFF02
#define RID_UNKNOWN3   0xFF03
#define RID_RSSI       0xFF04
#define RID_CONFIG     0xFF10
#define RID_SSID       0xFF11
#define RID_APLIST     0xFF12
#define RID_DRVNAME    0xFF13
#define RID_ETHERENCAP 0xFF14
#define RID_WEP_TEMP   0xFF15
#define RID_WEP_PERM   0xFF16
#define RID_MODULATION 0xFF17
#define RID_OPTIONS    0xFF18
#define RID_ACTUALCONFIG 0xFF20 /*readonly*/
#define RID_FACTORYCONFIG 0xFF21
#define RID_UNKNOWN22  0xFF22
#define RID_LEAPUSERNAME 0xFF23
#define RID_LEAPPASSWORD 0xFF24
#define RID_STATUS     0xFF50
#define RID_BEACON_HST 0xFF51
#define RID_BUSY_HST   0xFF52
#define RID_RETRIES_HST 0xFF53
#define RID_UNKNOWN54  0xFF54
#define RID_UNKNOWN55  0xFF55
#define RID_UNKNOWN56  0xFF56
#define RID_MIC        0xFF57
#define RID_STATS16    0xFF60
#define RID_STATS16DELTA 0xFF61
#define RID_STATS16DELTACLEAR 0xFF62
#define RID_STATS      0xFF68
#define RID_STATSDELTA 0xFF69
#define RID_STATSDELTACLEAR 0xFF6A
#define RID_ECHOTEST_RID 0xFF70
#define RID_ECHOTEST_RESULTS 0xFF71
#define RID_BSSLISTFIRST 0xFF72
#define RID_BSSLISTNEXT  0xFF73
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#define RID_WPA_BSSLISTFIRST 0xFF74
#define RID_WPA_BSSLISTNEXT  0xFF75
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typedef struct {
	u16 cmd;
	u16 parm0;
	u16 parm1;
	u16 parm2;
} Cmd;

typedef struct {
	u16 status;
	u16 rsp0;
	u16 rsp1;
	u16 rsp2;
} Resp;

/*
 * Rids and endian-ness:  The Rids will always be in cpu endian, since
 * this all the patches from the big-endian guys end up doing that.
 * so all rid access should use the read/writeXXXRid routines.
 */

/* This is redundant for x86 archs, but it seems necessary for ARM */
#pragma pack(1)

/* This structure came from an email sent to me from an engineer at
   aironet for inclusion into this driver */
typedef struct {
	u16 len;
	u16 kindex;
	u8 mac[ETH_ALEN];
	u16 klen;
	u8 key[16];
} WepKeyRid;

/* These structures are from the Aironet's PC4500 Developers Manual */
typedef struct {
	u16 len;
	u8 ssid[32];
} Ssid;

typedef struct {
	u16 len;
	Ssid ssids[3];
} SsidRid;

typedef struct {
        u16 len;
        u16 modulation;
#define MOD_DEFAULT 0
#define MOD_CCK 1
#define MOD_MOK 2
} ModulationRid;

typedef struct {
	u16 len; /* sizeof(ConfigRid) */
	u16 opmode; /* operating mode */
#define MODE_STA_IBSS 0
#define MODE_STA_ESS 1
#define MODE_AP 2
#define MODE_AP_RPTR 3
#define MODE_ETHERNET_HOST (0<<8) /* rx payloads converted */
#define MODE_LLC_HOST (1<<8) /* rx payloads left as is */
#define MODE_AIRONET_EXTEND (1<<9) /* enable Aironet extenstions */
#define MODE_AP_INTERFACE (1<<10) /* enable ap interface extensions */
#define MODE_ANTENNA_ALIGN (1<<11) /* enable antenna alignment */
#define MODE_ETHER_LLC (1<<12) /* enable ethernet LLC */
#define MODE_LEAF_NODE (1<<13) /* enable leaf node bridge */
#define MODE_CF_POLLABLE (1<<14) /* enable CF pollable */
#define MODE_MIC (1<<15) /* enable MIC */
	u16 rmode; /* receive mode */
#define RXMODE_BC_MC_ADDR 0
#define RXMODE_BC_ADDR 1 /* ignore multicasts */
#define RXMODE_ADDR 2 /* ignore multicast and broadcast */
#define RXMODE_RFMON 3 /* wireless monitor mode */
#define RXMODE_RFMON_ANYBSS 4
#define RXMODE_LANMON 5 /* lan style monitor -- data packets only */
#define RXMODE_DISABLE_802_3_HEADER (1<<8) /* disables 802.3 header on rx */
#define RXMODE_NORMALIZED_RSSI (1<<9) /* return normalized RSSI */
	u16 fragThresh;
	u16 rtsThres;
	u8 macAddr[ETH_ALEN];
	u8 rates[8];
	u16 shortRetryLimit;
	u16 longRetryLimit;
	u16 txLifetime; /* in kusec */
	u16 rxLifetime; /* in kusec */
	u16 stationary;
	u16 ordering;
	u16 u16deviceType; /* for overriding device type */
	u16 cfpRate;
	u16 cfpDuration;
	u16 _reserved1[3];
	/*---------- Scanning/Associating ----------*/
	u16 scanMode;
#define SCANMODE_ACTIVE 0
#define SCANMODE_PASSIVE 1
#define SCANMODE_AIROSCAN 2
	u16 probeDelay; /* in kusec */
	u16 probeEnergyTimeout; /* in kusec */
        u16 probeResponseTimeout;
	u16 beaconListenTimeout;
	u16 joinNetTimeout;
	u16 authTimeout;
	u16 authType;
#define AUTH_OPEN 0x1
#define AUTH_ENCRYPT 0x101
#define AUTH_SHAREDKEY 0x102
#define AUTH_ALLOW_UNENCRYPTED 0x200
	u16 associationTimeout;
	u16 specifiedApTimeout;
	u16 offlineScanInterval;
	u16 offlineScanDuration;
	u16 linkLossDelay;
	u16 maxBeaconLostTime;
	u16 refreshInterval;
#define DISABLE_REFRESH 0xFFFF
	u16 _reserved1a[1];
	/*---------- Power save operation ----------*/
	u16 powerSaveMode;
#define POWERSAVE_CAM 0
#define POWERSAVE_PSP 1
#define POWERSAVE_PSPCAM 2
	u16 sleepForDtims;
	u16 listenInterval;
	u16 fastListenInterval;
	u16 listenDecay;
	u16 fastListenDelay;
	u16 _reserved2[2];
	/*---------- Ap/Ibss config items ----------*/
	u16 beaconPeriod;
	u16 atimDuration;
	u16 hopPeriod;
	u16 channelSet;
	u16 channel;
	u16 dtimPeriod;
	u16 bridgeDistance;
	u16 radioID;
	/*---------- Radio configuration ----------*/
	u16 radioType;
#define RADIOTYPE_DEFAULT 0
#define RADIOTYPE_802_11 1
#define RADIOTYPE_LEGACY 2
	u8 rxDiversity;
	u8 txDiversity;
	u16 txPower;
#define TXPOWER_DEFAULT 0
	u16 rssiThreshold;
#define RSSI_DEFAULT 0
        u16 modulation;
#define PREAMBLE_AUTO 0
#define PREAMBLE_LONG 1
#define PREAMBLE_SHORT 2
	u16 preamble;
	u16 homeProduct;
	u16 radioSpecific;
	/*---------- Aironet Extensions ----------*/
	u8 nodeName[16];
	u16 arlThreshold;
	u16 arlDecay;
	u16 arlDelay;
	u16 _reserved4[1];
	/*---------- Aironet Extensions ----------*/
	u8 magicAction;
#define MAGIC_ACTION_STSCHG 1
#define MAGIC_ACTION_RESUME 2
#define MAGIC_IGNORE_MCAST (1<<8)
#define MAGIC_IGNORE_BCAST (1<<9)
#define MAGIC_SWITCH_TO_PSP (0<<10)
#define MAGIC_STAY_IN_CAM (1<<10)
	u8 magicControl;
	u16 autoWake;
} ConfigRid;

typedef struct {
	u16 len;
	u8 mac[ETH_ALEN];
	u16 mode;
	u16 errorCode;
	u16 sigQuality;
	u16 SSIDlen;
	char SSID[32];
	char apName[16];
	u8 bssid[4][ETH_ALEN];
	u16 beaconPeriod;
	u16 dimPeriod;
	u16 atimDuration;
	u16 hopPeriod;
	u16 channelSet;
	u16 channel;
	u16 hopsToBackbone;
	u16 apTotalLoad;
	u16 generatedLoad;
	u16 accumulatedArl;
	u16 signalQuality;
	u16 currentXmitRate;
	u16 apDevExtensions;
	u16 normalizedSignalStrength;
	u16 shortPreamble;
	u8 apIP[4];
	u8 noisePercent; /* Noise percent in last second */
	u8 noisedBm; /* Noise dBm in last second */
	u8 noiseAvePercent; /* Noise percent in last minute */
	u8 noiseAvedBm; /* Noise dBm in last minute */
	u8 noiseMaxPercent; /* Highest noise percent in last minute */
	u8 noiseMaxdBm; /* Highest noise dbm in last minute */
	u16 load;
	u8 carrier[4];
	u16 assocStatus;
#define STAT_NOPACKETS 0
#define STAT_NOCARRIERSET 10
#define STAT_GOTCARRIERSET 11
#define STAT_WRONGSSID 20
#define STAT_BADCHANNEL 25
#define STAT_BADBITRATES 30
#define STAT_BADPRIVACY 35
#define STAT_APFOUND 40
#define STAT_APREJECTED 50
#define STAT_AUTHENTICATING 60
#define STAT_DEAUTHENTICATED 61
#define STAT_AUTHTIMEOUT 62
#define STAT_ASSOCIATING 70
#define STAT_DEASSOCIATED 71
#define STAT_ASSOCTIMEOUT 72
#define STAT_NOTAIROAP 73
#define STAT_ASSOCIATED 80
#define STAT_LEAPING 90
#define STAT_LEAPFAILED 91
#define STAT_LEAPTIMEDOUT 92
#define STAT_LEAPCOMPLETE 93
} StatusRid;

typedef struct {
	u16 len;
	u16 spacer;
	u32 vals[100];
} StatsRid;


typedef struct {
	u16 len;
	u8 ap[4][ETH_ALEN];
} APListRid;

typedef struct {
	u16 len;
	char oui[3];
	char zero;
	u16 prodNum;
	char manName[32];
	char prodName[16];
	char prodVer[8];
	char factoryAddr[ETH_ALEN];
	char aironetAddr[ETH_ALEN];
	u16 radioType;
	u16 country;
	char callid[ETH_ALEN];
	char supportedRates[8];
	char rxDiversity;
	char txDiversity;
	u16 txPowerLevels[8];
	u16 hardVer;
	u16 hardCap;
	u16 tempRange;
	u16 softVer;
	u16 softSubVer;
	u16 interfaceVer;
	u16 softCap;
	u16 bootBlockVer;
	u16 requiredHard;
	u16 extSoftCap;
} CapabilityRid;

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/* Only present on firmware >= 5.30.17 */
typedef struct {
  u16 unknown[4];
  u8 fixed[12]; /* WLAN management frame */
  u8 iep[624];
} BSSListRidExtra;

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typedef struct {
  u16 len;
  u16 index; /* First is 0 and 0xffff means end of list */
#define RADIO_FH 1 /* Frequency hopping radio type */
#define RADIO_DS 2 /* Direct sequence radio type */
#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */
  u16 radioType;
  u8 bssid[ETH_ALEN]; /* Mac address of the BSS */
  u8 zero;
  u8 ssidLen;
  u8 ssid[32];
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  u16 dBm;
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#define CAP_ESS (1<<0)
#define CAP_IBSS (1<<1)
#define CAP_PRIVACY (1<<4)
#define CAP_SHORTHDR (1<<5)
  u16 cap;
  u16 beaconInterval;
  u8 rates[8]; /* Same as rates for config rid */
  struct { /* For frequency hopping only */
    u16 dwell;
    u8 hopSet;
    u8 hopPattern;
    u8 hopIndex;
    u8 fill;
  } fh;
  u16 dsChannel;
  u16 atimWindow;
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  /* Only present on firmware >= 5.30.17 */
  BSSListRidExtra extra;
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} BSSListRid;

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typedef struct {
  BSSListRid bss;
  struct list_head list;
} BSSListElement;

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typedef struct {
  u8 rssipct;
  u8 rssidBm;
} tdsRssiEntry;

typedef struct {
  u16 len;
  tdsRssiEntry x[256];
} tdsRssiRid;

typedef struct {
	u16 len;
	u16 state;
	u16 multicastValid;
	u8  multicast[16];
	u16 unicastValid;
	u8  unicast[16];
} MICRid;

typedef struct {
	u16 typelen;

	union {
	    u8 snap[8];
	    struct {
		u8 dsap;
		u8 ssap;
		u8 control;
		u8 orgcode[3];
		u8 fieldtype[2];
	    } llc;
	} u;
	u32 mic;
	u32 seq;
} MICBuffer;

typedef struct {
	u8 da[ETH_ALEN];
	u8 sa[ETH_ALEN];
} etherHead;

#pragma pack()

#define TXCTL_TXOK (1<<1) /* report if tx is ok */
#define TXCTL_TXEX (1<<2) /* report if tx fails */
#define TXCTL_802_3 (0<<3) /* 802.3 packet */
#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */
#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */
#define TXCTL_LLC (1<<4) /* payload is llc */
#define TXCTL_RELEASE (0<<5) /* release after completion */
#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */

#define BUSY_FID 0x10000

#ifdef CISCO_EXT
#define AIROMAGIC	0xa55a
/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */
#ifdef SIOCIWFIRSTPRIV
#ifdef SIOCDEVPRIVATE
#define AIROOLDIOCTL	SIOCDEVPRIVATE
#define AIROOLDIDIFC 	AIROOLDIOCTL + 1
#endif /* SIOCDEVPRIVATE */
#else /* SIOCIWFIRSTPRIV */
#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE
#endif /* SIOCIWFIRSTPRIV */
/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably
 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root
 * only and don't return the modified struct ifreq to the application which
 * is usually a problem. - Jean II */
#define AIROIOCTL	SIOCIWFIRSTPRIV
#define AIROIDIFC 	AIROIOCTL + 1

/* Ioctl constants to be used in airo_ioctl.command */

#define	AIROGCAP  		0	// Capability rid
#define AIROGCFG		1       // USED A LOT
#define AIROGSLIST		2	// System ID list
#define AIROGVLIST		3       // List of specified AP's
#define AIROGDRVNAM		4	//  NOTUSED
#define AIROGEHTENC		5	// NOTUSED
#define AIROGWEPKTMP		6
#define AIROGWEPKNV		7
#define AIROGSTAT		8
#define AIROGSTATSC32		9
#define AIROGSTATSD32		10
#define AIROGMICRID		11
#define AIROGMICSTATS		12
#define AIROGFLAGS		13
#define AIROGID			14
#define AIRORRID		15
#define AIRORSWVERSION		17

/* Leave gap of 40 commands after AIROGSTATSD32 for future */

#define AIROPCAP               	AIROGSTATSD32 + 40
#define AIROPVLIST              AIROPCAP      + 1
#define AIROPSLIST		AIROPVLIST    + 1
#define AIROPCFG		AIROPSLIST    + 1
#define AIROPSIDS		AIROPCFG      + 1
#define AIROPAPLIST		AIROPSIDS     + 1
#define AIROPMACON		AIROPAPLIST   + 1	/* Enable mac  */
#define AIROPMACOFF		AIROPMACON    + 1 	/* Disable mac */
#define AIROPSTCLR		AIROPMACOFF   + 1
#define AIROPWEPKEY		AIROPSTCLR    + 1
#define AIROPWEPKEYNV		AIROPWEPKEY   + 1
#define AIROPLEAPPWD            AIROPWEPKEYNV + 1
#define AIROPLEAPUSR            AIROPLEAPPWD  + 1

/* Flash codes */

#define AIROFLSHRST	       AIROPWEPKEYNV  + 40
#define AIROFLSHGCHR           AIROFLSHRST    + 1
#define AIROFLSHSTFL           AIROFLSHGCHR   + 1
#define AIROFLSHPCHR           AIROFLSHSTFL   + 1
#define AIROFLPUTBUF           AIROFLSHPCHR   + 1
#define AIRORESTART            AIROFLPUTBUF   + 1

#define FLASHSIZE	32768
#define AUXMEMSIZE	(256 * 1024)

typedef struct aironet_ioctl {
	unsigned short command;		// What to do
	unsigned short len;		// Len of data
	unsigned short ridnum;		// rid number
	unsigned char __user *data;	// d-data
} aironet_ioctl;

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static char swversion[] = "2.1";
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#endif /* CISCO_EXT */

#define NUM_MODULES       2
#define MIC_MSGLEN_MAX    2400
#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX
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#define AIRO_DEF_MTU      2312
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typedef struct {
	u32   size;            // size
	u8    enabled;         // MIC enabled or not
	u32   rxSuccess;       // successful packets received
	u32   rxIncorrectMIC;  // pkts dropped due to incorrect MIC comparison
	u32   rxNotMICed;      // pkts dropped due to not being MIC'd
	u32   rxMICPlummed;    // pkts dropped due to not having a MIC plummed
	u32   rxWrongSequence; // pkts dropped due to sequence number violation
	u32   reserve[32];
} mic_statistics;

typedef struct {
	u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2];
	u64 accum;	// accumulated mic, reduced to u32 in final()
	int position;	// current position (byte offset) in message
	union {
		u8  d8[4];
		u32 d32;
	} part;	// saves partial message word across update() calls
} emmh32_context;

typedef struct {
	emmh32_context seed;	    // Context - the seed
	u32		 rx;	    // Received sequence number
	u32		 tx;	    // Tx sequence number
	u32		 window;    // Start of window
	u8		 valid;	    // Flag to say if context is valid or not
	u8		 key[16];
} miccntx;

typedef struct {
	miccntx mCtx;		// Multicast context
	miccntx uCtx;		// Unicast context
} mic_module;

typedef struct {
	unsigned int  rid: 16;
	unsigned int  len: 15;
	unsigned int  valid: 1;
	dma_addr_t host_addr;
} Rid;

typedef struct {
	unsigned int  offset: 15;
	unsigned int  eoc: 1;
	unsigned int  len: 15;
	unsigned int  valid: 1;
	dma_addr_t host_addr;
} TxFid;

typedef struct {
	unsigned int  ctl: 15;
	unsigned int  rdy: 1;
	unsigned int  len: 15;
	unsigned int  valid: 1;
	dma_addr_t host_addr;
} RxFid;

/*
 * Host receive descriptor
 */
typedef struct {
	unsigned char __iomem *card_ram_off; /* offset into card memory of the
						desc */
	RxFid         rx_desc;		     /* card receive descriptor */
	char          *virtual_host_addr;    /* virtual address of host receive
					        buffer */
	int           pending;
} HostRxDesc;

/*
 * Host transmit descriptor
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