airo.c
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上传日期:2013-02-24
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文件大小:126k
- /*======================================================================
- 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
- and Jean Tourrilhes <jt@hpl.hp.com>. Code was also integrated from
- the Cisco Aironet driver for Linux.
- ======================================================================*/
- #include <linux/config.h>
- #include <linux/version.h>
- #include <asm/segment.h>
- #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 <asm/io.h>
- #include <asm/system.h>
- #include <asm/bitops.h>
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
- #include <linux/skbuff.h>
- #include <linux/if_arp.h>
- #include <linux/ioport.h>
- #include <linux/config.h>
- #include <linux/pci.h>
- #include <asm/uaccess.h>
- #ifdef CONFIG_PCI
- static struct pci_device_id card_ids[] __devinitdata = {
- { 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, },
- { 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 *);
- static struct pci_driver airo_driver = {
- name: "airo",
- id_table: card_ids,
- probe: airo_pci_probe,
- remove: __devexit_p(airo_pci_remove),
- };
- #endif /* CONFIG_PCI */
- /* Include Wireless Extension definition and check version - Jean II */
- #include <linux/wireless.h>
- #define WIRELESS_SPY // enable iwspy support
- #if WIRELESS_EXT < 9
- #warning "Wireless extension v9 or newer required - please upgrade your kernel"
- #undef WIRELESS_EXT
- #undef WIRELESS_SPY
- #endif
- #define CISCO_EXT // enable Cisco extensions
- #ifdef CISCO_EXT
- #include <linux/delay.h>
- #endif
- /* 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 0&(int)
- 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 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
- cards. Direct support for ISA/PCI cards and support
- for PCMCIA when used with airo_cs.");
- MODULE_LICENSE("Dual BSD/GPL");
- MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340");
- MODULE_PARM(io,"1-4i");
- MODULE_PARM(irq,"1-4i");
- MODULE_PARM(basic_rate,"i");
- MODULE_PARM(rates,"1-8i");
- MODULE_PARM(ssids,"1-3s");
- MODULE_PARM(auto_wep,"i");
- 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_PARM(aux_bap,"i");
- 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_PARM(maxencrypt, "i");
- 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_PARM(adhoc, "i");
- MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode.");
- MODULE_PARM(proc_uid, "i");
- MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to.");
- MODULE_PARM(proc_gid, "i");
- MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to.");
- MODULE_PARM(airo_perm, "i");
- MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet.");
- MODULE_PARM(proc_perm, "i");
- MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc");
- #include <asm/uaccess.h>
- /* 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
- doesnt work though!!! */
- static int do8bitIO = 0;
- /* Return codes */
- #define SUCCESS 0
- #define ERROR -1
- #define NO_PACKET -2
- /* Commands */
- #define NOP 0x0010
- #define MAC_ENABLE 0x0001
- #define MAC_DISABLE 0x0002
- #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */
- #define CMD_ACCESS 0x0021
- #define CMD_ALLOCATETX 0x000a
- #define CMD_TRANSMIT 0x000b
- #define HOSTSLEEP 0x85
- #define CMD_SETMODE 0x0009
- #define CMD_ENABLEAUX 0x0111
- #define CMD_SOFTRESET 0x0004
- #define CMD_LISTBSS 0x0103
- /* 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
- /* 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_UNKNOWN 0x800
- #define STATUS_INTS ( EV_AWAKE | EV_LINK | EV_TXEXC | EV_TX | EV_RX)
- #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN)
- /* 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_UNKNOWN52 0xFF52
- #define RID_UNKNOWN54 0xFF54
- #define RID_UNKNOWN55 0xFF55
- #define RID_UNKNOWN56 0xFF56
- #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_UNKNOWN70 0xFF70
- #define RID_UNKNOWN71 0xFF71
- #define RID_BSSLISTFIRST 0xFF72
- #define RID_BSSLISTNEXT 0xFF73
- 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[6];
- 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 */
- 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[6];
- 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 ----------*/
- u16 magicAction;
- #define MAGIC_ACTION_STSCHG 1
- #define MACIC_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)
- u16 magicControl;
- u16 autoWake;
- } ConfigRid;
- typedef struct {
- u16 len;
- u8 mac[6];
- u16 mode;
- u16 errorCode;
- u16 sigQuality;
- u16 SSIDlen;
- char SSID[32];
- char apName[16];
- char bssid[4][6];
- 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 _reserved[10];
- } StatusRid;
- typedef struct {
- u16 len;
- u16 spacer;
- u32 vals[100];
- } StatsRid;
- typedef struct {
- u16 len;
- u8 ap[4][6];
- } APListRid;
- typedef struct {
- u16 len;
- char oui[3];
- char zero;
- u16 prodNum;
- char manName[32];
- char prodName[16];
- char prodVer[8];
- char factoryAddr[6];
- char aironetAddr[6];
- u16 radioType;
- u16 country;
- char callid[6];
- 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;
- } CapabilityRid;
- 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[6]; /* Mac address of the BSS */
- u8 zero;
- u8 ssidLen;
- u8 ssid[32];
- u16 rssi;
- #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;
- } BSSListRid;
- typedef struct {
- u8 rssipct;
- u8 rssidBm;
- } tdsRssiEntry;
- typedef struct {
- u16 len;
- tdsRssiEntry x[256];
- } tdsRssiRid;
- #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 */
- #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
- /* 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
- typedef struct aironet_ioctl {
- unsigned short command; // What to do
- unsigned short len; // Len of data
- unsigned char *data; // d-data
- } aironet_ioctl;
- #endif /* CISCO_EXT */
- #ifdef WIRELESS_EXT
- // Frequency list (map channels to frequencies)
- const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
- 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
- // A few details needed for WEP (Wireless Equivalent Privacy)
- #define MAX_KEY_SIZE 13 // 128 (?) bits
- #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP
- typedef struct wep_key_t {
- u16 len;
- u8 key[16]; /* 40-bit and 104-bit keys */
- } wep_key_t;
- #endif /* WIRELESS_EXT */
- static const char version[] = "airo.c 0.3 (Ben Reed & Javier Achirica)";
- struct airo_info;
- static int get_dec_u16( char *buffer, int *start, int limit );
- static void OUT4500( struct airo_info *, u16 register, u16 value );
- static unsigned short IN4500( struct airo_info *, u16 register );
- static u16 setup_card(struct airo_info*, u8 *mac, ConfigRid *);
- static void enable_interrupts(struct airo_info*);
- static void disable_interrupts(struct airo_info*);
- static u16 lock_issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
- static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp);
- static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap);
- static int aux_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
- int whichbap);
- static int fast_bap_read(struct airo_info*, u16 *pu16Dst, int bytelen,
- int whichbap);
- static int bap_write(struct airo_info*, const u16 *pu16Src, int bytelen,
- int whichbap);
- static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd);
- static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len);
- static int PC4500_writerid(struct airo_info*, u16 rid, const void
- *pBuf, int len);
- static int do_writerid( struct airo_info*, u16 rid, const void *rid_data,
- int len );
- static u16 transmit_allocate(struct airo_info*, int lenPayload);
- static int transmit_802_3_packet(struct airo_info*, u16 TxFid, char
- *pPacket, int len);
- static void airo_interrupt( int irq, void* dev_id, struct pt_regs
- *regs);
- static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
- #ifdef WIRELESS_EXT
- struct iw_statistics *airo_get_wireless_stats (struct net_device *dev);
- #endif /* WIRELESS_EXT */
- #ifdef CISCO_EXT
- static int readrids(struct net_device *dev, aironet_ioctl *comp);
- static int writerids(struct net_device *dev, aironet_ioctl *comp);
- int flashcard(struct net_device *dev, aironet_ioctl *comp);
- #endif /* CISCO_EXT */
- struct airo_info {
- struct net_device_stats stats;
- int open;
- struct net_device *dev;
- /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
- use the high bit to mark wether it is in use. */
- #define MAX_FIDS 6
- int fids[MAX_FIDS];
- int registered;
- ConfigRid config;
- u16 authtype; // Used with auto_wep
- char keyindex; // Used with auto wep
- char defindex; // Used with auto wep
- struct timer_list timer;
- struct proc_dir_entry *proc_entry;
- struct airo_info *next;
- spinlock_t aux_lock;
- spinlock_t main_lock;
- int flags;
- #define FLAG_PROMISC IFF_PROMISC
- #define FLAG_RADIO_OFF 0x02
- int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen,
- int whichbap);
- int (*header_parse)(struct sk_buff*, unsigned char *);
- unsigned short *flash;
- tdsRssiEntry *rssi;
- #ifdef WIRELESS_EXT
- int need_commit; // Need to set config
- struct iw_statistics wstats; // wireless stats
- #ifdef WIRELESS_SPY
- int spy_number;
- u_char spy_address[IW_MAX_SPY][6];
- struct iw_quality spy_stat[IW_MAX_SPY];
- #endif /* WIRELESS_SPY */
- #endif /* WIRELESS_EXT */
- };
- static inline int bap_read(struct airo_info *ai, u16 *pu16Dst, int bytelen,
- int whichbap) {
- return ai->bap_read(ai, pu16Dst, bytelen, whichbap);
- }
- static int setup_proc_entry( struct net_device *dev,
- struct airo_info *apriv );
- static int takedown_proc_entry( struct net_device *dev,
- struct airo_info *apriv );
- static int readBSSListRid(struct airo_info *ai, int first,
- BSSListRid *list) {
- int rc;
- Cmd cmd;
- Resp rsp;
- if (first == 1) {
- memset(&cmd, 0, sizeof(cmd));
- cmd.cmd=CMD_LISTBSS;
- lock_issuecommand(ai, &cmd, &rsp);
- /* Let the command take effect */
- set_current_state (TASK_INTERRUPTIBLE);
- schedule_timeout (3*HZ);
- }
- rc = PC4500_readrid(ai,
- first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT,
- list, sizeof(*list));
- list->len = le16_to_cpu(list->len);
- list->index = le16_to_cpu(list->index);
- list->radioType = le16_to_cpu(list->radioType);
- list->cap = le16_to_cpu(list->cap);
- list->beaconInterval = le16_to_cpu(list->beaconInterval);
- list->fh.dwell = le16_to_cpu(list->fh.dwell);
- list->dsChannel = le16_to_cpu(list->dsChannel);
- list->atimWindow = le16_to_cpu(list->atimWindow);
- return rc;
- }
- static int readWepKeyRid(struct airo_info*ai, WepKeyRid *wkr, int temp) {
- int rc = PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM,
- wkr, sizeof(*wkr));
- wkr->len = le16_to_cpu(wkr->len);
- wkr->kindex = le16_to_cpu(wkr->kindex);
- wkr->klen = le16_to_cpu(wkr->klen);
- return rc;
- }
- /* In the writeXXXRid routines we copy the rids so that we don't screwup
- * the originals when we endian them... */
- static int writeWepKeyRid(struct airo_info*ai, WepKeyRid *pwkr, int perm) {
- int rc;
- WepKeyRid wkr = *pwkr;
- wkr.len = cpu_to_le16(wkr.len);
- wkr.kindex = cpu_to_le16(wkr.kindex);
- wkr.klen = cpu_to_le16(wkr.klen);
- rc = do_writerid(ai, RID_WEP_TEMP, &wkr, sizeof(wkr));
- if (rc!=SUCCESS) printk(KERN_ERR "airo: WEP_TEMP set %xn", rc);
- if (perm) {
- rc = do_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr));
- if (rc!=SUCCESS) {
- printk(KERN_ERR "airo: WEP_PERM set %xn", rc);
- }
- }
- return rc;
- }
- static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) {
- int i;
- int rc = PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr));
- ssidr->len = le16_to_cpu(ssidr->len);
- for(i = 0; i < 3; i++) {
- ssidr->ssids[i].len = le16_to_cpu(ssidr->ssids[i].len);
- }
- return rc;
- }
- static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr) {
- int rc;
- int i;
- SsidRid ssidr = *pssidr;
- ssidr.len = cpu_to_le16(ssidr.len);
- for(i = 0; i < 3; i++) {
- ssidr.ssids[i].len = cpu_to_le16(ssidr.ssids[i].len);
- }
- rc = do_writerid(ai, RID_SSID, &ssidr, sizeof(ssidr));
- return rc;
- }
- static int readConfigRid(struct airo_info*ai, ConfigRid *cfgr) {
- int rc = PC4500_readrid(ai, RID_ACTUALCONFIG, cfgr, sizeof(*cfgr));
- u16 *s;
- for(s = &cfgr->len; s <= &cfgr->rtsThres; s++) *s = le16_to_cpu(*s);
- for(s = &cfgr->shortRetryLimit; s <= &cfgr->radioType; s++)
- *s = le16_to_cpu(*s);
- for(s = &cfgr->txPower; s <= &cfgr->radioSpecific; s++)
- *s = le16_to_cpu(*s);
- for(s = &cfgr->arlThreshold; s <= &cfgr->autoWake; s++)
- *s = le16_to_cpu(*s);
- return rc;
- }
- static int writeConfigRid(struct airo_info*ai, ConfigRid *pcfgr) {
- u16 *s;
- ConfigRid cfgr = *pcfgr;
- for(s = &cfgr.len; s <= &cfgr.rtsThres; s++) *s = cpu_to_le16(*s);
- for(s = &cfgr.shortRetryLimit; s <= &cfgr.radioType; s++)
- *s = cpu_to_le16(*s);
- for(s = &cfgr.txPower; s <= &cfgr.radioSpecific; s++)
- *s = cpu_to_le16(*s);
- for(s = &cfgr.arlThreshold; s <= &cfgr.autoWake; s++)
- *s = cpu_to_le16(*s);
- return do_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr));
- }
- static int readStatusRid(struct airo_info*ai, StatusRid *statr) {
- int rc = PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr));
- u16 *s;
- statr->len = le16_to_cpu(statr->len);
- for(s = &statr->mode; s <= &statr->SSIDlen; s++) *s = le16_to_cpu(*s);
- for(s = &statr->beaconPeriod; s <= &statr->_reserved[9]; s++)
- *s = le16_to_cpu(*s);
- return rc;
- }
- static int readAPListRid(struct airo_info*ai, APListRid *aplr) {
- int rc = PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr));
- aplr->len = le16_to_cpu(aplr->len);
- return rc;
- }
- static int writeAPListRid(struct airo_info*ai, APListRid *aplr) {
- int rc;
- aplr->len = cpu_to_le16(aplr->len);
- rc = do_writerid(ai, RID_APLIST, aplr, sizeof(*aplr));
- return rc;
- }
- static int readCapabilityRid(struct airo_info*ai, CapabilityRid *capr) {
- int rc = PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr));
- u16 *s;
- capr->len = le16_to_cpu(capr->len);
- capr->prodNum = le16_to_cpu(capr->prodNum);
- capr->radioType = le16_to_cpu(capr->radioType);
- capr->country = le16_to_cpu(capr->country);
- for(s = &capr->txPowerLevels[0]; s <= &capr->requiredHard; s++)
- *s = le16_to_cpu(*s);
- return rc;
- }
- static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid) {
- int rc = PC4500_readrid(ai, rid, sr, sizeof(*sr));
- u32 *i;
- sr->len = le16_to_cpu(sr->len);
- for(i = &sr->vals[0]; i <= &sr->vals[99]; i++) *i = le32_to_cpu(*i);
- return rc;
- }
- static int airo_open(struct net_device *dev) {
- struct airo_info *info = dev->priv;
- enable_interrupts(info);
- netif_start_queue(dev);
- return 0;
- }
- static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) {
- s16 len;
- u16 status;
- u32 flags;
- int i,j;
- struct airo_info *priv = (struct airo_info*)dev->priv;
- u32 *fids = priv->fids;
- if ( skb == NULL ) {
- printk( KERN_ERR "airo: skb == NULL!!!n" );
- return 0;
- }
- /* Find a vacant FID */
- spin_lock_irqsave(&priv->main_lock, flags);
- for( j = 0, i = -1; j < MAX_FIDS; j++ ) {
- if ( !( fids[j] & 0xffff0000 ) ) {
- if ( i == -1 ) i = j;
- else break;
- }
- }
- if ( j == MAX_FIDS ) netif_stop_queue(dev);
- if ( i == -1 ) {
- priv->stats.tx_fifo_errors++;
- goto tx_done;
- }
- len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; /* check min length*/
- status = transmit_802_3_packet( priv, fids[i], skb->data, len );
- if ( status == SUCCESS ) {
- /* Mark fid as used & save length for later */
- fids[i] |= (len << 16);
- dev->trans_start = jiffies;
- } else {
- priv->stats.tx_window_errors++;
- }
- tx_done:
- spin_unlock_irqrestore(&priv->main_lock, flags);
- dev_kfree_skb(skb);
- return 0;
- }
- struct net_device_stats *airo_get_stats(struct net_device *dev)
- {
- struct airo_info *local = (struct airo_info*) dev->priv;
- StatsRid stats_rid;
- u32 *vals = stats_rid.vals;
- /* Get stats out of the card */
- readStatsRid(local, &stats_rid, RID_STATS);
- local->stats.rx_packets = vals[43] + vals[44] + vals[45];
- local->stats.tx_packets = vals[39] + vals[40] + vals[41];
- local->stats.rx_bytes = vals[92];
- local->stats.tx_bytes = vals[91];
- local->stats.rx_errors = vals[0] + vals[2] + vals[3] + vals[4];
- local->stats.tx_errors = vals[42] + local->stats.tx_fifo_errors;
- local->stats.multicast = vals[43];
- local->stats.collisions = vals[89];
- /* detailed rx_errors: */
- local->stats.rx_length_errors = vals[3];
- local->stats.rx_crc_errors = vals[4];
- local->stats.rx_frame_errors = vals[2];
- local->stats.rx_fifo_errors = vals[0];
- return (&local->stats);
- }
- static int enable_MAC( struct airo_info *ai, Resp *rsp );
- static void disable_MAC(struct airo_info *ai);
- static void airo_set_multicast_list(struct net_device *dev) {
- struct airo_info *ai = (struct airo_info*)dev->priv;
- Cmd cmd;
- Resp rsp;
- /* For some reason this command takes a lot of time (~20 ms) and it's
- * run in an interrupt handler, so we'd better be sure we needed it
- * before executing it.
- */
- if ((dev->flags ^ ai->flags) & IFF_PROMISC) {
- memset(&cmd, 0, sizeof(cmd));
- cmd.cmd=CMD_SETMODE;
- cmd.parm0=(dev->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
- lock_issuecommand(ai, &cmd, &rsp);
- ai->flags^=IFF_PROMISC;
- }
- if ((dev->flags&IFF_ALLMULTI)||dev->mc_count>0) {
- /* Turn on multicast. (Should be already setup...) */
- }
- }
- static int airo_set_mac_address(struct net_device *dev, void *p)
- {
- struct airo_info *ai = (struct airo_info*)dev->priv;
- struct sockaddr *addr = p;
- ConfigRid cfg;
- readConfigRid (ai, &cfg);
- memcpy (cfg.macAddr, addr->sa_data, dev->addr_len);
- writeConfigRid (ai, &cfg);
- memcpy (dev->dev_addr, addr->sa_data, dev->addr_len);
- return 0;
- }
- static int airo_change_mtu(struct net_device *dev, int new_mtu)
- {
- if ((new_mtu < 68) || (new_mtu > 2400))
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
- }
- static int airo_close(struct net_device *dev) {
- struct airo_info *ai = (struct airo_info*)dev->priv;
- netif_stop_queue(dev);
- disable_interrupts( ai );
- return 0;
- }
- static void del_airo_dev( struct net_device *dev );
- void stop_airo_card( struct net_device *dev, int freeres )
- {
- struct airo_info *ai = (struct airo_info*)dev->priv;
- if (ai->flash)
- kfree(ai->flash);
- if (ai->rssi)
- kfree(ai->rssi);
- takedown_proc_entry( dev, ai );
- if (ai->registered) {
- unregister_netdev( dev );
- ai->registered = 0;
- }
- disable_interrupts(ai);
- free_irq( dev->irq, dev );
- if (auto_wep) del_timer_sync(&ai->timer);
- if (freeres) {
- /* PCMCIA frees this stuff, so only for PCI and ISA */
- release_region( dev->base_addr, 64 );
- }
- del_airo_dev( dev );
- kfree( dev );
- }
- static int add_airo_dev( struct net_device *dev );
- struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia )
- {
- struct net_device *dev;
- struct airo_info *ai;
- int i, rc;
- /* Create the network device object. */
- dev = alloc_etherdev(sizeof(*ai));
- if (!dev) {
- printk(KERN_ERR "airo: Couldn't alloc_etherdevn");
- return NULL;
- }
- if (dev_alloc_name(dev, dev->name) < 0) {
- printk(KERN_ERR "airo: Couldn't get name!n");
- goto err_out_free;
- }
- ai = dev->priv;
- ai->registered = 0;
- ai->dev = dev;
- ai->aux_lock = SPIN_LOCK_UNLOCKED;
- ai->main_lock = SPIN_LOCK_UNLOCKED;
- ai->header_parse = dev->hard_header_parse;
- rc = add_airo_dev( dev );
- if (rc)
- goto err_out_free;
- /* The Airo-specific entries in the device structure. */
- dev->hard_start_xmit = &airo_start_xmit;
- dev->get_stats = &airo_get_stats;
- dev->set_multicast_list = &airo_set_multicast_list;
- dev->set_mac_address = &airo_set_mac_address;
- dev->do_ioctl = &airo_ioctl;
- #ifdef WIRELESS_EXT
- dev->get_wireless_stats = airo_get_wireless_stats;
- #endif /* WIRELESS_EXT */
- dev->change_mtu = &airo_change_mtu;
- dev->open = &airo_open;
- dev->stop = &airo_close;
- dev->irq = irq;
- dev->base_addr = port;
- rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
- if (rc) {
- printk(KERN_ERR "airo: register interrupt %d failed, rc %dn", irq, rc );
- goto err_out_unlink;
- }
- if (!is_pcmcia) {
- if (!request_region( dev->base_addr, 64, dev->name )) {
- rc = -EBUSY;
- goto err_out_irq;
- }
- }
- if ( setup_card( ai, dev->dev_addr, &ai->config) != SUCCESS ) {
- printk( KERN_ERR "airo: MAC could not be enabledn" );
- rc = -EIO;
- goto err_out_res;
- }
- rc = register_netdev(dev);
- if (rc)
- goto err_out_res;
- ai->registered = 1;
- printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%xn",
- dev->name,
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
- dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
- /* Allocate the transmit buffers */
- for( i = 0; i < MAX_FIDS; i++ )
- ai->fids[i] = transmit_allocate( ai, 2312 );
- setup_proc_entry( dev, dev->priv ); /* XXX check for failure */
- netif_start_queue(dev);
- SET_MODULE_OWNER(dev);
- return dev;
- err_out_res:
- if (!is_pcmcia)
- release_region( dev->base_addr, 64 );
- err_out_irq:
- free_irq(dev->irq, dev);
- err_out_unlink:
- del_airo_dev(dev);
- err_out_free:
- kfree(dev);
- return NULL;
- }
- int waitbusy (struct airo_info *ai) {
- int delay = 0;
- while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
- udelay (10);
- if (++delay % 20)
- OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
- }
- return delay < 10000;
- }
- int reset_airo_card( struct net_device *dev ) {
- int i;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- disable_MAC(ai);
- waitbusy (ai);
- OUT4500(ai,COMMAND,CMD_SOFTRESET);
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (HZ/5);
- waitbusy (ai);
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (HZ/5);
- if ( setup_card(ai, dev->dev_addr, &(ai)->config) != SUCCESS ) {
- printk( KERN_ERR "airo: MAC could not be enabledn" );
- return -1;
- } else {
- printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%xn",
- dev->name,
- dev->dev_addr[0],
- dev->dev_addr[1],
- dev->dev_addr[2],
- dev->dev_addr[3],
- dev->dev_addr[4],
- dev->dev_addr[5]
- );
- /* Allocate the transmit buffers */
- for( i = 0; i < MAX_FIDS; i++ )
- ai->fids[i] = transmit_allocate( ai, 2312 );
- }
- enable_interrupts( ai );
- netif_wake_queue(dev);
- return 0;
- }
- int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
- {
- memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
- return ETH_ALEN;
- }
- static void airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
- struct net_device *dev = (struct net_device *)dev_id;
- u16 status;
- u16 fid;
- struct airo_info *apriv = (struct airo_info *)dev->priv;
- u16 savedInterrupts = 0;
- if (!netif_device_present(dev))
- return;
- for (;;) {
- status = IN4500( apriv, EVSTAT );
- if ( !status || status == 0xffff ) break;
- if ( status & EV_AWAKE ) {
- OUT4500( apriv, EVACK, EV_AWAKE );
- OUT4500( apriv, EVACK, EV_AWAKE );
- }
- if (!savedInterrupts) {
- savedInterrupts = IN4500( apriv, EVINTEN );
- OUT4500( apriv, EVINTEN, 0 );
- }
- if ( status & EV_LINK ) {
- /* The link status has changed, if you want to put a
- monitor hook in, do it here. (Remember that
- interrupts are still disabled!)
- */
- u16 newStatus = IN4500(apriv, LINKSTAT);
- OUT4500( apriv, EVACK, EV_LINK);
- /* Here is what newStatus means: */
- #define NOBEACON 0x8000 /* Loss of sync - missed beacons */
- #define MAXRETRIES 0x8001 /* Loss of sync - max retries */
- #define MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/
- #define FORCELOSS 0x8003 /* Loss of sync - host request */
- #define TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */
- #define DEAUTH 0x8100 /* Deauthentication (low byte is reason code) */
- #define DISASS 0x8200 /* Disassociation (low byte is reason code) */
- #define ASSFAIL 0x8400 /* Association failure (low byte is reason
- code) */
- #define AUTHFAIL 0x0300 /* Authentication failure (low byte is reason
- code) */
- #define ASSOCIATED 0x0400 /* Assocatied */
- #define RC_RESERVED 0 /* Reserved return code */
- #define RC_NOREASON 1 /* Unspecified reason */
- #define RC_AUTHINV 2 /* Previous authentication invalid */
- #define RC_DEAUTH 3 /* Deauthenticated because sending station is
- leaving */
- #define RC_NOACT 4 /* Disassociated due to inactivity */
- #define RC_MAXLOAD 5 /* Disassociated because AP is unable to handle
- all currently associated stations */
- #define RC_BADCLASS2 6 /* Class 2 frame received from
- non-Authenticated station */
- #define RC_BADCLASS3 7 /* Class 3 frame received from
- non-Associated station */
- #define RC_STATLEAVE 8 /* Disassociated because sending station is
- leaving BSS */
- #define RC_NOAUTH 9 /* Station requesting (Re)Association is not
- Authenticated with the responding station */
- if (newStatus != ASSOCIATED) {
- if (auto_wep && !timer_pending(&apriv->timer)) {
- apriv->timer.expires = RUN_AT(HZ*3);
- add_timer(&apriv->timer);
- }
- }
- }
- /* Check to see if there is something to receive */
- if ( status & EV_RX ) {
- struct sk_buff *skb = NULL;
- u16 fc, len, hdrlen = 0;
- struct {
- u16 status, len;
- u8 rssi[2];
- } hdr;
- fid = IN4500( apriv, RXFID );
- /* Get the packet length */
- if (dev->type == ARPHRD_IEEE80211) {
- bap_setup (apriv, fid, 4, BAP0);
- bap_read (apriv, (u16*)&hdr, sizeof(hdr), BAP0);
- /* Bad CRC. Ignore packet */
- if (le16_to_cpu(hdr.status) & 2)
- hdr.len = 0;
- } else {
- bap_setup (apriv, fid, 6, BAP0);
- bap_read (apriv, (u16*)&hdr.len, 4, BAP0);
- }
- len = le16_to_cpu(hdr.len);
- if (len > 2312) {
- printk( KERN_ERR "airo: Bad size %dn", len );
- len = 0;
- }
- if (len) {
- if (dev->type == ARPHRD_IEEE80211) {
- bap_setup (apriv, fid, 0x14, BAP0);
- bap_read (apriv, (u16*)&fc, sizeof(fc), BAP0);
- if ((le16_to_cpu(fc) & 0x300) == 0x300)
- hdrlen = 30;
- else
- hdrlen = 24;
- } else
- hdrlen = 12;
- skb = dev_alloc_skb( len + hdrlen + 2 );
- if ( !skb ) {
- apriv->stats.rx_dropped++;
- len = 0;
- }
- }
- if (len) {
- u16 *buffer;
- buffer = (u16*)skb_put (skb, len + hdrlen);
- if (dev->type == ARPHRD_IEEE80211) {
- u16 gap, tmpbuf[4];
- buffer[0] = fc;
- bap_read (apriv, buffer + 1, hdrlen - 2, BAP0);
- if (hdrlen == 24)
- bap_read (apriv, tmpbuf, 6, BAP0);
- bap_read (apriv, &gap, sizeof(gap), BAP0);
- gap = le16_to_cpu(gap);
- if (gap && gap <= 8)
- bap_read (apriv, tmpbuf, gap, BAP0);
- bap_read (apriv, buffer + hdrlen/2, len, BAP0);
- } else {
- bap_setup (apriv, fid, 0x38, BAP0);
- bap_read (apriv, buffer,len + hdrlen,BAP0);
- }
- OUT4500( apriv, EVACK, EV_RX);
- #ifdef WIRELESS_SPY
- if (apriv->spy_number > 0) {
- int i;
- char *sa;
- sa = (char*)buffer + ((dev->type == ARPHRD_IEEE80211) ? 10 : 6);
- for (i=0; i<apriv->spy_number; i++)
- if (!memcmp(sa,apriv->spy_address[i],6))
- {
- apriv->spy_stat[i].qual = hdr.rssi[0];
- if (apriv->rssi)
- apriv->spy_stat[i].level = 0x100 - apriv->rssi[hdr.rssi[1]].rssidBm;
- else
- apriv->spy_stat[i].level = (hdr.rssi[1] + 321) / 2;
- apriv->spy_stat[i].noise = 0;
- apriv->spy_stat[i].updated = 3;
- break;
- }
- }
- #endif /* WIRELESS_SPY */
- dev->last_rx = jiffies;
- skb->dev = dev;
- skb->ip_summed = CHECKSUM_NONE;
- if (dev->type == ARPHRD_IEEE80211) {
- skb->mac.raw = skb->data;
- skb_pull (skb, hdrlen);
- skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = htons(ETH_P_802_2);
- } else
- skb->protocol = eth_type_trans(skb,dev);
- netif_rx( skb );
- } else
- OUT4500( apriv, EVACK, EV_RX);
- }
- /* Check to see if a packet has been transmitted */
- if ( status & ( EV_TX|EV_TXEXC ) ) {
- int i;
- int len = 0;
- int index = -1;
- fid = IN4500(apriv, TXCOMPLFID);
- for( i = 0; i < MAX_FIDS; i++ ) {
- if ( ( apriv->fids[i] & 0xffff ) == fid ) {
- len = apriv->fids[i] >> 16;
- index = i;
- /* Set up to be used again */
- apriv->fids[i] &= 0xffff;
- }
- }
- if (index != -1) netif_wake_queue(dev);
- if ((status & EV_TXEXC) &&
- (bap_setup(apriv, fid, 4, BAP1) == SUCCESS)) {
- u16 status;
- bap_read(apriv, &status, 2, BAP1);
- if (le16_to_cpu(status) & 2)
- apriv->stats.tx_aborted_errors++;
- if (le16_to_cpu(status) & 4)
- apriv->stats.tx_heartbeat_errors++;
- if (le16_to_cpu(status) & 0x10)
- apriv->stats.tx_carrier_errors++;
- }
- OUT4500( apriv, EVACK, status & (EV_TX | EV_TXEXC));
- if (index==-1) {
- printk( KERN_ERR "airo: Unallocated FID was used to xmitn" );
- }
- }
- if ( status & ~STATUS_INTS )
- OUT4500( apriv, EVACK, status & ~STATUS_INTS);
- if ( status & ~STATUS_INTS & ~IGNORE_INTS )
- printk( KERN_WARNING "airo: Got weird status %xn",
- status & ~STATUS_INTS & ~IGNORE_INTS );
- }
- if (savedInterrupts)
- OUT4500( apriv, EVINTEN, savedInterrupts );
- /* done.. */
- return;
- }
- /*
- * Routines to talk to the card
- */
- /*
- * This was originally written for the 4500, hence the name
- * NOTE: If use with 8bit mode and SMP bad things will happen!
- * Why would some one do 8 bit IO in an SMP machine?!?
- */
- static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) {
- if ( !do8bitIO )
- outw( val, ai->dev->base_addr + reg );
- else {
- outb( val & 0xff, ai->dev->base_addr + reg );
- outb( val >> 8, ai->dev->base_addr + reg + 1 );
- }
- }
- static u16 IN4500( struct airo_info *ai, u16 reg ) {
- unsigned short rc;
- if ( !do8bitIO )
- rc = inw( ai->dev->base_addr + reg );
- else {
- rc = inb( ai->dev->base_addr + reg );
- rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8;
- }
- return rc;
- }
- static int enable_MAC( struct airo_info *ai, Resp *rsp ) {
- Cmd cmd;
- if (ai->flags&FLAG_RADIO_OFF) return SUCCESS;
- memset(&cmd, 0, sizeof(cmd));
- cmd.cmd = MAC_ENABLE;
- return lock_issuecommand(ai, &cmd, rsp);
- }
- static void disable_MAC( struct airo_info *ai ) {
- Cmd cmd;
- Resp rsp;
- memset(&cmd, 0, sizeof(cmd));
- cmd.cmd = MAC_DISABLE; // disable in case already enabled
- lock_issuecommand(ai, &cmd, &rsp);
- }
- static void enable_interrupts( struct airo_info *ai ) {
- /* Reset the status register */
- u16 status = IN4500( ai, EVSTAT );
- OUT4500( ai, EVACK, status );
- /* Enable the interrupts */
- OUT4500( ai, EVINTEN, STATUS_INTS );
- /* Note there is a race condition between the last two lines that
- I dont know how to get rid of right now... */
- }
- static void disable_interrupts( struct airo_info *ai ) {
- OUT4500( ai, EVINTEN, 0 );
- }
- static u16 setup_card(struct airo_info *ai, u8 *mac,
- ConfigRid *config)
- {
- Cmd cmd;
- Resp rsp;
- ConfigRid cfg;
- int status;
- int i;
- SsidRid mySsid;
- u16 lastindex;
- WepKeyRid wkr;
- int rc;
- memset( &mySsid, 0, sizeof( mySsid ) );
- if (ai->flash) {
- kfree (ai->flash);
- ai->flash = NULL;
- }
- /* The NOP is the first step in getting the card going */
- cmd.cmd = NOP;
- cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
- if ( lock_issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
- return ERROR;
- }
- memset(&cmd, 0, sizeof(cmd));
- cmd.cmd = MAC_DISABLE; // disable in case already enabled
- if ( lock_issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
- return ERROR;
- }
- // Let's figure out if we need to use the AUX port
- cmd.cmd = CMD_ENABLEAUX;
- if (lock_issuecommand(ai, &cmd, &rsp) != SUCCESS) {
- printk(KERN_ERR "airo: Error checking for AUX portn");
- return ERROR;
- }
- if (!aux_bap || rsp.status & 0xff00) {
- ai->bap_read = fast_bap_read;
- printk(KERN_DEBUG "airo: Doing fast bap_readsn");
- } else {
- ai->bap_read = aux_bap_read;
- printk(KERN_DEBUG "airo: Doing AUX bap_readsn");
- }
- if ( config->len ) {
- cfg = *config;
- } else {
- tdsRssiRid rssi_rid;
- // general configuration (read/modify/write)
- status = readConfigRid(ai, &cfg);
- if ( status != SUCCESS ) return ERROR;
- status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid));
- if ( status == SUCCESS ) {
- if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL)
- memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512);
- }
- else {
- CapabilityRid cap_rid;
- if (ai->rssi) {
- kfree(ai->rssi);
- ai->rssi = NULL;
- }
- status = readCapabilityRid(ai, &cap_rid);
- if ((status == SUCCESS) && (cap_rid.softCap & 8))
- cfg.rmode |= RXMODE_NORMALIZED_RSSI;
- else
- printk(KERN_WARNING "airo: unknown received signal level scalen");
- }
- cfg.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS;
- /* Save off the MAC */
- for( i = 0; i < 6; i++ ) {
- mac[i] = cfg.macAddr[i];
- }
- /* Check to see if there are any insmod configured
- rates to add */
- if ( rates ) {
- int i = 0;
- if ( rates[0] ) memset(cfg.rates,0,sizeof(cfg.rates));
- for( i = 0; i < 8 && rates[i]; i++ ) {
- cfg.rates[i] = rates[i];
- }
- }
- if ( basic_rate > 0 ) {
- int i;
- for( i = 0; i < 8; i++ ) {
- if ( cfg.rates[i] == basic_rate ||
- !cfg.rates ) {
- cfg.rates[i] = basic_rate | 0x80;
- break;
- }
- }
- }
- cfg.authType = ai->authtype;
- *config = cfg;
- }
- /* Setup the SSIDs if present */
- if ( ssids[0] ) {
- int i = 0;
- for( i = 0; i < 3 && ssids[i]; i++ ) {
- mySsid.ssids[i].len = strlen(ssids[i]);
- if ( mySsid.ssids[i].len > 32 )
- mySsid.ssids[i].len = 32;
- memcpy(mySsid.ssids[i].ssid, ssids[i],
- mySsid.ssids[i].len);
- mySsid.ssids[i].len = mySsid.ssids[i].len;
- }
- }
- status = writeConfigRid(ai, &cfg);
- if ( status != SUCCESS ) return ERROR;
- /* Set up the SSID list */
- status = writeSsidRid(ai, &mySsid);
- if ( status != SUCCESS ) return ERROR;
- /* Grab the initial wep key, we gotta save it for auto_wep */
- rc = readWepKeyRid(ai, &wkr, 1);
- if (rc == SUCCESS) do {
- lastindex = wkr.kindex;
- if (wkr.kindex == 0xffff) {
- ai->defindex = wkr.mac[0];
- }
- rc = readWepKeyRid(ai, &wkr, 0);
- } while(lastindex != wkr.kindex);
- if (auto_wep && !timer_pending(&ai->timer)) {
- ai->timer.expires = RUN_AT(HZ*3);
- add_timer(&ai->timer);
- }
- return SUCCESS;
- }
- static u16 lock_issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
- int rc;
- long flags;
- spin_lock_irqsave(&ai->main_lock, flags);
- rc = issuecommand(ai, pCmd, pRsp);
- spin_unlock_irqrestore(&ai->main_lock, flags);
- return rc;
- }
- static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
- // Im really paranoid about letting it run forever!
- int max_tries = 600000;
- OUT4500(ai, PARAM0, pCmd->parm0);
- OUT4500(ai, PARAM1, pCmd->parm1);
- OUT4500(ai, PARAM2, pCmd->parm2);
- OUT4500(ai, COMMAND, pCmd->cmd);
- while ( max_tries-- &&
- (IN4500(ai, EVSTAT) & EV_CMD) == 0) {
- if ( IN4500(ai, COMMAND) == pCmd->cmd) {
- // PC4500 didn't notice command, try again
- OUT4500(ai, COMMAND, pCmd->cmd);
- }
- }
- if ( max_tries == -1 ) {
- printk( KERN_ERR
- "airo: Max tries exceeded when issueing commandn" );
- return ERROR;
- }
- // command completed
- pRsp->status = IN4500(ai, STATUS);
- pRsp->rsp0 = IN4500(ai, RESP0);
- pRsp->rsp1 = IN4500(ai, RESP1);
- pRsp->rsp2 = IN4500(ai, RESP2);
- // clear stuck command busy if necessary
- if (IN4500(ai, COMMAND) & COMMAND_BUSY) {
- OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);
- }
- // acknowledge processing the status/response
- OUT4500(ai, EVACK, EV_CMD);
- return SUCCESS;
- }
- /* Sets up the bap to start exchange data. whichbap should
- * be one of the BAP0 or BAP1 defines. Locks should be held before
- * calling! */
- static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap )
- {
- int timeout = 50;
- int max_tries = 3;
- OUT4500(ai, SELECT0+whichbap, rid);
- OUT4500(ai, OFFSET0+whichbap, offset);
- while (1) {
- int status = IN4500(ai, OFFSET0+whichbap);
- if (status & BAP_BUSY) {
- /* This isn't really a timeout, but its kinda
- close */
- if (timeout--) {
- continue;
- }
- } else if ( status & BAP_ERR ) {
- /* invalid rid or offset */
- printk( KERN_ERR "airo: BAP error %x %dn",
- status, whichbap );
- return ERROR;
- } else if (status & BAP_DONE) { // success
- return SUCCESS;
- }
- if ( !(max_tries--) ) {
- printk( KERN_ERR
- "airo: BAP setup error too many retriesn" );
- return ERROR;
- }
- // -- PC4500 missed it, try again
- OUT4500(ai, SELECT0+whichbap, rid);
- OUT4500(ai, OFFSET0+whichbap, offset);
- timeout = 50;
- }
- }
- /* should only be called by aux_bap_read. This aux function and the
- following use concepts not documented in the developers guide. I
- got them from a patch given to my by Aironet */
- static u16 aux_setup(struct airo_info *ai, u16 page,
- u16 offset, u16 *len)
- {
- u16 next;
- OUT4500(ai, AUXPAGE, page);
- OUT4500(ai, AUXOFF, 0);
- next = IN4500(ai, AUXDATA);
- *len = IN4500(ai, AUXDATA)&0xff;
- if (offset != 4) OUT4500(ai, AUXOFF, offset);
- return next;
- }
- /* requires call to bap_setup() first */
- static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
- int bytelen, int whichbap)
- {
- u16 len;
- u16 page;
- u16 offset;
- u16 next;
- int words;
- int i;
- long flags;
- spin_lock_irqsave(&ai->aux_lock, flags);
- page = IN4500(ai, SWS0+whichbap);
- offset = IN4500(ai, SWS2+whichbap);
- next = aux_setup(ai, page, offset, &len);
- words = (bytelen+1)>>1;
- for (i=0; i<words;) {
- int count;
- count = (len>>1) < (words-i) ? (len>>1) : (words-i);
- if ( !do8bitIO )
- insw( ai->dev->base_addr+DATA0+whichbap,
- pu16Dst+i,count );
- else
- insb( ai->dev->base_addr+DATA0+whichbap,
- pu16Dst+i, count << 1 );
- i += count;
- if (i<words) {
- next = aux_setup(ai, next, 4, &len);
- }
- }
- spin_unlock_irqrestore(&ai->aux_lock, flags);
- return SUCCESS;
- }
- /* requires call to bap_setup() first */
- static int fast_bap_read(struct airo_info *ai, u16 *pu16Dst,
- int bytelen, int whichbap)
- {
- bytelen = (bytelen + 1) & (~1); // round up to even value
- if ( !do8bitIO )
- insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 );
- else
- insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen );
- return SUCCESS;
- }
- /* requires call to bap_setup() first */
- static int bap_write(struct airo_info *ai, const u16 *pu16Src,
- int bytelen, int whichbap)
- {
- bytelen = (bytelen + 1) & (~1); // round up to even value
- if ( !do8bitIO )
- outsw( ai->dev->base_addr+DATA0+whichbap,
- pu16Src, bytelen>>1 );
- else
- outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen );
- return SUCCESS;
- }
- static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd)
- {
- Cmd cmd; /* for issuing commands */
- Resp rsp; /* response from commands */
- u16 status;
- memset(&cmd, 0, sizeof(cmd));
- cmd.cmd = accmd;
- cmd.parm0 = rid;
- status = issuecommand(ai, &cmd, &rsp);
- if (status != 0) return status;
- if ( (rsp.status & 0x7F00) != 0) {
- return (accmd << 8) + (rsp.rsp0 & 0xFF);
- }
- return 0;
- }
- /* Note, that we are using BAP1 which is also used by transmit, so
- * we must get a lock. */
- static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len)
- {
- u16 status;
- long flags;
- int rc = SUCCESS;
- spin_lock_irqsave(&ai->main_lock, flags);
- if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != SUCCESS) {
- rc = status;
- goto done;
- }
- if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
- rc = ERROR;
- goto done;
- }
- // read the rid length field
- bap_read(ai, pBuf, 2, BAP1);
- // length for remaining part of rid
- len = min(len, (int)le16_to_cpu(*(u16*)pBuf)) - 2;
- if ( len <= 2 ) {
- printk( KERN_ERR
- "airo: Rid %x has a length of %d which is too shortn",
- (int)rid,
- (int)len );
- rc = ERROR;
- goto done;
- }
- // read remainder of the rid
- rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
- done:
- spin_unlock_irqrestore(&ai->main_lock, flags);
- return rc;
- }
- /* Note, that we are using BAP1 which is also used by transmit, so
- * make sure this isnt called when a transmit is happening */
- static int PC4500_writerid(struct airo_info *ai, u16 rid,
- const void *pBuf, int len)
- {
- u16 status;
- long flags;
- int rc = SUCCESS;
- spin_lock_irqsave(&ai->main_lock, flags);
- // --- first access so that we can write the rid data
- if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) {
- rc = status;
- goto done;
- }
- // --- now write the rid data
- if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) {
- rc = ERROR;
- goto done;
- }
- bap_write(ai, pBuf, len, BAP1);
- // ---now commit the rid data
- rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS);
- done:
- spin_unlock_irqrestore(&ai->main_lock, flags);
- return rc;
- }
- /* Allocates a FID to be used for transmitting packets. We only use
- one for now. */
- static u16 transmit_allocate(struct airo_info *ai, int lenPayload)
- {
- Cmd cmd;
- Resp rsp;
- u16 txFid;
- u16 txControl;
- long flags;
- cmd.cmd = CMD_ALLOCATETX;
- cmd.parm0 = lenPayload;
- if (lock_issuecommand(ai, &cmd, &rsp) != SUCCESS) return 0;
- if ( (rsp.status & 0xFF00) != 0) return 0;
- /* wait for the allocate event/indication
- * It makes me kind of nervous that this can just sit here and spin,
- * but in practice it only loops like four times. */
- while ( (IN4500(ai, EVSTAT) & EV_ALLOC) == 0) ;
- // get the allocated fid and acknowledge
- txFid = IN4500(ai, TXALLOCFID);
- OUT4500(ai, EVACK, EV_ALLOC);
- /* The CARD is pretty cool since it converts the ethernet packet
- * into 802.11. Also note that we don't release the FID since we
- * will be using the same one over and over again. */
- /* We only have to setup the control once since we are not
- * releasing the fid. */
- txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3
- | TXCTL_ETHERNET | TXCTL_NORELEASE);
- spin_lock_irqsave(&ai->main_lock, flags);
- if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) {
- spin_unlock_irqrestore(&ai->main_lock, flags);
- return ERROR;
- }
- bap_write(ai, &txControl, sizeof(txControl), BAP1);
- spin_unlock_irqrestore(&ai->main_lock, flags);
- return txFid;
- }
- /* In general BAP1 is dedicated to transmiting packets. However,
- since we need a BAP when accessing RIDs, we also use BAP1 for that.
- Make sure the BAP1 spinlock is held when this is called. */
- static int transmit_802_3_packet(struct airo_info *ai, u16 txFid,
- char *pPacket, int len)
- {
- u16 payloadLen;
- Cmd cmd;
- Resp rsp;
- if (len < 12) {
- printk( KERN_WARNING "Short packet %dn", len );
- return ERROR;
- }
- // packet is destination[6], source[6], payload[len-12]
- // write the payload length and dst/src/payload
- if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR;
- /* The hardware addresses aren't counted as part of the payload, so
- * we have to subtract the 12 bytes for the addresses off */
- payloadLen = cpu_to_le16(len-12);
- bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1);
- bap_write(ai, (const u16*)pPacket, len, BAP1);
- // issue the transmit command
- memset( &cmd, 0, sizeof( cmd ) );
- cmd.cmd = CMD_TRANSMIT;
- cmd.parm0 = txFid;
- if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR;
- if ( (rsp.status & 0xFF00) != 0) return ERROR;
- return SUCCESS;
- }
- /*
- * This is the proc_fs routines. It is a bit messier than I would
- * like! Feel free to clean it up!
- */
- static ssize_t proc_read( struct file *file,
- char *buffer,
- size_t len,
- loff_t *offset);
- static ssize_t proc_write( struct file *file,
- const char *buffer,
- size_t len,
- loff_t *offset );
- static int proc_close( struct inode *inode, struct file *file );
- static int proc_stats_open( struct inode *inode, struct file *file );
- static int proc_statsdelta_open( struct inode *inode, struct file *file );
- static int proc_status_open( struct inode *inode, struct file *file );
- static int proc_SSID_open( struct inode *inode, struct file *file );
- static int proc_APList_open( struct inode *inode, struct file *file );
- static int proc_BSSList_open( struct inode *inode, struct file *file );
- static int proc_config_open( struct inode *inode, struct file *file );
- static int proc_wepkey_open( struct inode *inode, struct file *file );
- static struct file_operations proc_statsdelta_ops = {
- read: proc_read,
- open: proc_statsdelta_open,
- release: proc_close
- };
- static struct file_operations proc_stats_ops = {
- read: proc_read,
- open: proc_stats_open,
- release: proc_close
- };
- static struct file_operations proc_status_ops = {
- read: proc_read,
- open: proc_status_open,
- release: proc_close
- };
- static struct file_operations proc_SSID_ops = {
- read: proc_read,
- write: proc_write,
- open: proc_SSID_open,
- release: proc_close
- };
- static struct file_operations proc_BSSList_ops = {
- read: proc_read,
- write: proc_write,
- open: proc_BSSList_open,
- release: proc_close
- };
- static struct file_operations proc_APList_ops = {
- read: proc_read,
- write: proc_write,
- open: proc_APList_open,
- release: proc_close
- };
- static struct file_operations proc_config_ops = {
- read: proc_read,
- write: proc_write,
- open: proc_config_open,
- release: proc_close
- };
- static struct file_operations proc_wepkey_ops = {
- read: proc_read,
- write: proc_write,
- open: proc_wepkey_open,
- release: proc_close
- };
- static struct proc_dir_entry *airo_entry = 0;
- struct proc_data {
- int release_buffer;
- int readlen;
- char *rbuffer;
- int writelen;
- int maxwritelen;
- char *wbuffer;
- void (*on_close) (struct inode *, struct file *);
- };
- #ifndef SETPROC_OPS
- #define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
- #endif
- static int setup_proc_entry( struct net_device *dev,
- struct airo_info *apriv ) {
- struct proc_dir_entry *entry;
- /* First setup the device directory */
- apriv->proc_entry = create_proc_entry(dev->name,
- S_IFDIR|airo_perm,
- airo_entry);
- apriv->proc_entry->uid = proc_uid;
- apriv->proc_entry->gid = proc_gid;
- /* Setup the StatsDelta */
- entry = create_proc_entry("StatsDelta",
- S_IFREG | (S_IRUGO&proc_perm),
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_statsdelta_ops);
- /* Setup the Stats */
- entry = create_proc_entry("Stats",
- S_IFREG | (S_IRUGO&proc_perm),
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_stats_ops);
- /* Setup the Status */
- entry = create_proc_entry("Status",
- S_IFREG | (S_IRUGO&proc_perm),
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_status_ops);
- /* Setup the Config */
- entry = create_proc_entry("Config",
- S_IFREG | proc_perm,
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_config_ops);
- /* Setup the SSID */
- entry = create_proc_entry("SSID",
- S_IFREG | proc_perm,
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_SSID_ops);
- /* Setup the APList */
- entry = create_proc_entry("APList",
- S_IFREG | proc_perm,
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_APList_ops);
- /* Setup the BSSList */
- entry = create_proc_entry("BSSList",
- S_IFREG | proc_perm,
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_BSSList_ops);
- /* Setup the WepKey */
- entry = create_proc_entry("WepKey",
- S_IFREG | proc_perm,
- apriv->proc_entry);
- entry->uid = proc_uid;
- entry->gid = proc_gid;
- entry->data = dev;
- SETPROC_OPS(entry, proc_wepkey_ops);
- return 0;
- }
- static int takedown_proc_entry( struct net_device *dev,
- struct airo_info *apriv ) {
- if ( !apriv->proc_entry->namelen ) return 0;
- remove_proc_entry("Stats",apriv->proc_entry);
- remove_proc_entry("StatsDelta",apriv->proc_entry);
- remove_proc_entry("Status",apriv->proc_entry);
- remove_proc_entry("Config",apriv->proc_entry);
- remove_proc_entry("SSID",apriv->proc_entry);
- remove_proc_entry("APList",apriv->proc_entry);
- remove_proc_entry("BSSList",apriv->proc_entry);
- remove_proc_entry("WepKey",apriv->proc_entry);
- remove_proc_entry(dev->name,airo_entry);
- return 0;
- }
- /*
- * What we want from the proc_fs is to be able to efficiently read
- * and write the configuration. To do this, we want to read the
- * configuration when the file is opened and write it when the file is
- * closed. So basically we allocate a read buffer at open and fill it
- * with data, and allocate a write buffer and read it at close.
- */
- /*
- * The read routine is generic, it relies on the preallocated rbuffer
- * to supply the data.
- */
- static ssize_t proc_read( struct file *file,
- char *buffer,
- size_t len,
- loff_t *offset )
- {
- int i;
- int pos;
- struct proc_data *priv = (struct proc_data*)file->private_data;
- if( !priv->rbuffer ) return -EINVAL;
- pos = *offset;
- for( i = 0; i+pos < priv->readlen && i < len; i++ ) {
- if (put_user( priv->rbuffer[i+pos], buffer+i ))
- return -EFAULT;
- }
- *offset += i;
- return i;
- }
- /*
- * The write routine is generic, it fills in a preallocated rbuffer
- * to supply the data.
- */
- static ssize_t proc_write( struct file *file,
- const char *buffer,
- size_t len,
- loff_t *offset )
- {
- int i;
- int pos;
- struct proc_data *priv = (struct proc_data*)file->private_data;
- if ( !priv->wbuffer ) {
- return -EINVAL;
- }
- pos = *offset;
- for( i = 0; i + pos < priv->maxwritelen &&
- i < len; i++ ) {
- if (get_user( priv->wbuffer[i+pos], buffer + i ))
- return -EFAULT;
- }
- if ( i+pos > priv->writelen ) priv->writelen = i+file->f_pos;
- *offset += i;
- return i;
- }
- static int proc_status_open( struct inode *inode, struct file *file ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *apriv = (struct airo_info *)dev->priv;
- CapabilityRid cap_rid;
- StatusRid status_rid;
- int i;
- MOD_INC_USE_COUNT;
- dp = inode->u.generic_ip;
- if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
- return -ENOMEM;
- memset(file->private_data, 0, sizeof(struct proc_data));
- data = (struct proc_data *)file->private_data;
- if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
- kfree (file->private_data);
- return -ENOMEM;
- }
- readStatusRid(apriv, &status_rid);
- readCapabilityRid(apriv, &cap_rid);
- i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%sn",
- status_rid.mode & 1 ? "CFG ": "",
- status_rid.mode & 2 ? "ACT ": "",
- status_rid.mode & 0x10 ? "SYN ": "",
- status_rid.mode & 0x20 ? "LNK ": "",
- status_rid.mode & 0x40 ? "LEAP ": "",
- status_rid.mode & 0x80 ? "PRIV ": "",
- status_rid.mode & 0x100 ? "KEY ": "",
- status_rid.mode & 0x200 ? "WEP ": "",
- status_rid.mode & 0x8000 ? "ERR ": "");
- sprintf( data->rbuffer+i, "Mode: %xn"
- "Signal Strength: %dn"
- "Signal Quality: %dn"
- "SSID: %-.*sn"
- "AP: %-.16sn"
- "Freq: %dn"
- "BitRate: %dmbsn"
- "Driver Version: %sn"
- "Device: %snManufacturer: %snFirmware Version: %sn"
- "Radio type: %xnCountry: %xnHardware Version: %xn"
- "Software Version: %xnSoftware Subversion: %xn"
- "Boot block version: %xn",
- (int)status_rid.mode,
- (int)status_rid.normalizedSignalStrength,
- (int)status_rid.signalQuality,
- (int)status_rid.SSIDlen,
- status_rid.SSID,
- status_rid.apName,
- (int)status_rid.channel,
- (int)status_rid.currentXmitRate/2,
- version,
- cap_rid.prodName,
- cap_rid.manName,
- cap_rid.prodVer,
- cap_rid.radioType,
- cap_rid.country,
- cap_rid.hardVer,
- (int)cap_rid.softVer,
- (int)cap_rid.softSubVer,
- (int)cap_rid.bootBlockVer );
- data->readlen = strlen( data->rbuffer );
- return 0;
- }
- static int proc_stats_rid_open(struct inode*, struct file*, u16);
- static int proc_statsdelta_open( struct inode *inode,
- struct file *file ) {
- if (file->f_mode&FMODE_WRITE) {
- return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR);
- }
- return proc_stats_rid_open(inode, file, RID_STATSDELTA);
- }
- static int proc_stats_open( struct inode *inode, struct file *file ) {
- return proc_stats_rid_open(inode, file, RID_STATS);
- }
- static int proc_stats_rid_open( struct inode *inode,
- struct file *file,
- u16 rid ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *apriv = (struct airo_info *)dev->priv;
- StatsRid stats;
- int i, j;
- int *vals = stats.vals;
- MOD_INC_USE_COUNT;
- dp = inode->u.generic_ip;
- if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
- return -ENOMEM;
- memset(file->private_data, 0, sizeof(struct proc_data));
- data = (struct proc_data *)file->private_data;
- if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
- kfree (file->private_data);
- return -ENOMEM;
- }
- readStatsRid(apriv, &stats, rid);
- j = 0;
- for(i=0; (int)statsLabels[i]!=-1 &&
- i*4<stats.len; i++){
- if (!statsLabels[i]) continue;
- if (j+strlen(statsLabels[i])+16>4096) {
- printk(KERN_WARNING
- "airo: Potentially disasterous buffer overflow averted!n");
- break;
- }
- j+=sprintf(data->rbuffer+j, "%s: %dn", statsLabels[i], vals[i]);
- }
- if (i*4>=stats.len){
- printk(KERN_WARNING
- "airo: Got a short ridn");
- }
- data->readlen = j;
- return 0;
- }
- static int get_dec_u16( char *buffer, int *start, int limit ) {
- u16 value;
- int valid = 0;
- for( value = 0; buffer[*start] >= '0' &&
- buffer[*start] <= '9' &&
- *start < limit; (*start)++ ) {
- valid = 1;
- value *= 10;
- value += buffer[*start] - '0';
- }
- if ( !valid ) return -1;
- return value;
- }
- static void checkThrottle(ConfigRid *config) {
- int i;
- /* Old hardware had a limit on encryption speed */
- if (config->authType != AUTH_OPEN && maxencrypt) {
- for(i=0; i<8; i++) {
- if (config->rates[i] > maxencrypt) {
- config->rates[i] = 0;
- }
- }
- }
- }
- static void proc_config_on_close( struct inode *inode, struct file *file ) {
- struct proc_data *data = file->private_data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- ConfigRid config;
- Resp rsp;
- char *line;
- int need_reset = 0;
- if ( !data->writelen ) return;
- dp = (struct proc_dir_entry *) inode->u.generic_ip;
- disable_MAC(ai);
- readConfigRid(ai, &config);
- line = data->wbuffer;
- while( line[0] ) {
- /*** Mode processing */
- if ( !strncmp( line, "Mode: ", 6 ) ) {
- line += 6;
- config.rmode &= 0xfe00;
- if ( line[0] == 'a' ) {
- config.opmode = 0;
- } else {
- config.opmode = 1;
- if ( line[0] == 'r' )
- config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER;
- else if ( line[0] == 'y' )
- config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER;
- }
- if (config.rmode & RXMODE_DISABLE_802_3_HEADER) {
- dev->type = ARPHRD_IEEE80211;
- dev->hard_header_parse = wll_header_parse;
- } else if (dev->type == ARPHRD_IEEE80211) {
- dev->type = ARPHRD_ETHER;
- dev->hard_header_parse = ai->header_parse;
- need_reset = 1;
- }
- }
- /*** Radio status */
- else if (!strncmp(line,"Radio: ", 7)) {
- line += 7;
- if (!strncmp(line,"off",3)) {
- ai->flags |= FLAG_RADIO_OFF;
- } else {
- ai->flags &= ~FLAG_RADIO_OFF;
- }
- }
- /*** NodeName processing */
- else if ( !strncmp( line, "NodeName: ", 10 ) ) {
- int j;
- line += 10;
- memset( config.nodeName, 0, 16 );
- /* Do the name, assume a space between the mode and node name */
- for( j = 0; j < 16 && line[j] != 'n'; j++ ) {
- config.nodeName[j] = line[j];
- }
- }
- /*** PowerMode processing */
- else if ( !strncmp( line, "PowerMode: ", 11 ) ) {
- line += 11;
- if ( !strncmp( line, "PSPCAM", 6 ) ) {
- config.powerSaveMode = POWERSAVE_PSPCAM;
- } else if ( !strncmp( line, "PSP", 3 ) ) {
- config.powerSaveMode = POWERSAVE_PSP;
- } else {
- config.powerSaveMode = POWERSAVE_CAM;
- }
- } else if ( !strncmp( line, "DataRates: ", 11 ) ) {
- int v, i = 0, k = 0; /* i is index into line,
- k is index to rates */
- line += 11;
- while((v = get_dec_u16(line, &i, 3))!=-1) {
- config.rates[k++] = (u8)v;
- line += i + 1;
- i = 0;
- }
- } else if ( !strncmp( line, "Channel: ", 9 ) ) {
- int v, i = 0;
- line += 9;
- v = get_dec_u16(line, &i, i+3);
- if ( v != -1 )
- config.channelSet = (u16)v;
- } else if ( !strncmp( line, "XmitPower: ", 11 ) ) {
- int v, i = 0;
- line += 11;
- v = get_dec_u16(line, &i, i+3);
- if ( v != -1 ) config.txPower = (u16)v;
- } else if ( !strncmp( line, "WEP: ", 5 ) ) {
- line += 5;
- switch( line[0] ) {
- case 's':
- config.authType = (u16)AUTH_SHAREDKEY;
- break;
- case 'e':
- config.authType = (u16)AUTH_ENCRYPT;
- break;
- default:
- config.authType = (u16)AUTH_OPEN;
- break;
- }
- } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) {
- int v, i = 0;
- line += 16;
- v = get_dec_u16(line, &i, 3);
- v = (v<0) ? 0 : ((v>255) ? 255 : v);
- config.longRetryLimit = (u16)v;
- } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) {
- int v, i = 0;
- line += 17;
- v = get_dec_u16(line, &i, 3);
- v = (v<0) ? 0 : ((v>255) ? 255 : v);
- config.shortRetryLimit = (u16)v;
- } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) {
- int v, i = 0;
- line += 14;
- v = get_dec_u16(line, &i, 4);
- v = (v<0) ? 0 : ((v>2312) ? 2312 : v);
- config.rtsThres = (u16)v;
- } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) {
- int v, i = 0;
- line += 16;
- v = get_dec_u16(line, &i, 5);
- v = (v<0) ? 0 : v;
- config.txLifetime = (u16)v;
- } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) {
- int v, i = 0;
- line += 16;
- v = get_dec_u16(line, &i, 5);
- v = (v<0) ? 0 : v;
- config.rxLifetime = (u16)v;
- } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) {
- config.txDiversity =
- (line[13]=='l') ? 1 :
- ((line[13]=='r')? 2: 3);
- } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) {
- config.rxDiversity =
- (line[13]=='l') ? 1 :
- ((line[13]=='r')? 2: 3);
- } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) {
- int v, i = 0;
- line += 15;
- v = get_dec_u16(line, &i, 4);
- v = (v<256) ? 256 : ((v>2312) ? 2312 : v);
- v = v & 0xfffe; /* Make sure its even */
- config.fragThresh = (u16)v;
- } else if (!strncmp(line, "Modulation: ", 12)) {
- line += 12;
- switch(*line) {
- case 'd': config.modulation=MOD_DEFAULT; break;
- case 'c': config.modulation=MOD_CCK; break;
- case 'm': config.modulation=MOD_MOK; break;
- default:
- printk( KERN_WARNING "airo: Unknown modulationn" );
- }
- } else if (!strncmp(line, "Preamble: ", 10)) {
- line += 10;
- switch(*line) {
- case 'a': config.preamble=PREAMBLE_AUTO; break;
- case 'l': config.preamble=PREAMBLE_LONG; break;
- case 's': config.preamble=PREAMBLE_SHORT; break;
- default: printk(KERN_WARNING "airo: Unknown preamblen");
- }
- } else {
- printk( KERN_WARNING "Couldn't figure out %sn", line );
- }
- while( line[0] && line[0] != 'n' ) line++;
- if ( line[0] ) line++;
- }
- checkThrottle(&config);
- ai->config = config;
- if (need_reset) {
- APListRid APList_rid;
- SsidRid SSID_rid;
- readAPListRid(ai, &APList_rid);
- readSsidRid(ai, &SSID_rid);
- reset_airo_card(dev);
- writeSsidRid(ai, &SSID_rid);
- writeAPListRid(ai, &APList_rid);
- }
- writeConfigRid(ai, &config);
- enable_MAC(ai, &rsp);
- }
- static int proc_config_open( struct inode *inode, struct file *file ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- ConfigRid config;
- int i;
- MOD_INC_USE_COUNT;
- dp = (struct proc_dir_entry *) inode->u.generic_ip;
- if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
- return -ENOMEM;
- memset(file->private_data, 0, sizeof(struct proc_data));
- data = (struct proc_data *)file->private_data;
- if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
- kfree (file->private_data);
- return -ENOMEM;
- }
- if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
- kfree (data->rbuffer);
- kfree (file->private_data);
- return -ENOMEM;
- }
- memset( data->wbuffer, 0, 2048 );
- data->maxwritelen = 2048;
- data->on_close = proc_config_on_close;
- readConfigRid(ai, &config);
- i = sprintf( data->rbuffer,
- "Mode: %sn"
- "Radio: %sn"
- "NodeName: %-16sn"
- "PowerMode: %sn"
- "DataRates: %d %d %d %d %d %d %d %dn"
- "Channel: %dn"
- "XmitPower: %dn",
- config.opmode == 0 ? "adhoc" :
- config.opmode == 1 ? "ESS" :
- config.opmode == 2 ? "AP" :
- config.opmode == 3 ? "AP RPTR" : "Error",
- ai->flags&FLAG_RADIO_OFF ? "off" : "on",
- config.nodeName,
- config.powerSaveMode == 0 ? "CAM" :
- config.powerSaveMode == 1 ? "PSP" :
- config.powerSaveMode == 2 ? "PSPCAM" : "Error",
- (int)config.rates[0],
- (int)config.rates[1],
- (int)config.rates[2],
- (int)config.rates[3],
- (int)config.rates[4],
- (int)config.rates[5],
- (int)config.rates[6],
- (int)config.rates[7],
- (int)config.channelSet,
- (int)config.txPower
- );
- sprintf( data->rbuffer + i,
- "LongRetryLimit: %dn"
- "ShortRetryLimit: %dn"
- "RTSThreshold: %dn"
- "TXMSDULifetime: %dn"
- "RXMSDULifetime: %dn"
- "TXDiversity: %sn"
- "RXDiversity: %sn"
- "FragThreshold: %dn"
- "WEP: %sn"
- "Modulation: %sn"
- "Preamble: %sn",
- (int)config.longRetryLimit,
- (int)config.shortRetryLimit,
- (int)config.rtsThres,
- (int)config.txLifetime,
- (int)config.rxLifetime,
- config.txDiversity == 1 ? "left" :
- config.txDiversity == 2 ? "right" : "both",
- config.rxDiversity == 1 ? "left" :
- config.rxDiversity == 2 ? "right" : "both",
- (int)config.fragThresh,
- config.authType == AUTH_ENCRYPT ? "encrypt" :
- config.authType == AUTH_SHAREDKEY ? "shared" : "open",
- config.modulation == 0 ? "default" :
- config.modulation == MOD_CCK ? "cck" :
- config.modulation == MOD_MOK ? "mok" : "error",
- config.preamble == PREAMBLE_AUTO ? "auto" :
- config.preamble == PREAMBLE_LONG ? "long" :
- config.preamble == PREAMBLE_SHORT ? "short" : "error"
- );
- data->readlen = strlen( data->rbuffer );
- return 0;
- }
- static void proc_SSID_on_close( struct inode *inode, struct file *file ) {
- struct proc_data *data = (struct proc_data *)file->private_data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- SsidRid SSID_rid;
- int i;
- int offset = 0;
- if ( !data->writelen ) return;
- memset( &SSID_rid, 0, sizeof( SSID_rid ) );
- for( i = 0; i < 3; i++ ) {
- int j;
- for( j = 0; j+offset < data->writelen && j < 32 &&
- data->wbuffer[offset+j] != 'n'; j++ ) {
- SSID_rid.ssids[i].ssid[j] = data->wbuffer[offset+j];
- }
- if ( j == 0 ) break;
- SSID_rid.ssids[i].len = j;
- offset += j;
- while( data->wbuffer[offset] != 'n' &&
- offset < data->writelen ) offset++;
- offset++;
- }
- writeSsidRid(ai, &SSID_rid);
- }
- inline static u8 hexVal(char c) {
- if (c>='0' && c<='9') return c -= '0';
- if (c>='a' && c<='f') return c -= 'a'-10;
- if (c>='A' && c<='F') return c -= 'A'-10;
- return 0;
- }
- static void proc_APList_on_close( struct inode *inode, struct file *file ) {
- struct proc_data *data = (struct proc_data *)file->private_data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- APListRid APList_rid;
- int i;
- if ( !data->writelen ) return;
- memset( &APList_rid, 0, sizeof(APList_rid) );
- APList_rid.len = sizeof(APList_rid);
- for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) {
- int j;
- for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) {
- switch(j%3) {
- case 0:
- APList_rid.ap[i][j/3]=
- hexVal(data->wbuffer[j+i*6*3])<<4;
- break;
- case 1:
- APList_rid.ap[i][j/3]|=
- hexVal(data->wbuffer[j+i*6*3]);
- break;
- }
- }
- }
- writeAPListRid(ai, &APList_rid);
- }
- /* This function wraps PC4500_writerid with a MAC disable */
- static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
- int len ) {
- int rc;
- Resp rsp;
- disable_MAC(ai);
- rc = PC4500_writerid(ai, rid, rid_data, len);
- enable_MAC(ai, &rsp);
- return rc;
- }
- /* Returns the length of the key at the index. If index == 0xffff
- * the index of the transmit key is returned. If the key doesn't exist,
- * -1 will be returned.
- */
- static int get_wep_key(struct airo_info *ai, u16 index) {
- WepKeyRid wkr;
- int rc;
- u16 lastindex;
- rc = readWepKeyRid(ai, &wkr, 1);
- if (rc == SUCCESS) do {
- lastindex = wkr.kindex;
- if (wkr.kindex == index) {
- if (index == 0xffff) {
- return wkr.mac[0];
- }
- return wkr.klen;
- }
- readWepKeyRid(ai, &wkr, 0);
- } while(lastindex != wkr.kindex);
- return -1;
- }
- static int set_wep_key(struct airo_info *ai, u16 index,
- const char *key, u16 keylen, int perm ) {
- static const unsigned char macaddr[6] = { 0x01, 0, 0, 0, 0, 0 };
- WepKeyRid wkr;
- memset(&wkr, 0, sizeof(wkr));
- if (keylen == 0) {
- // We are selecting which key to use
- wkr.len = sizeof(wkr);
- wkr.kindex = 0xffff;
- wkr.mac[0] = (char)index;
- if (perm) printk(KERN_INFO "Setting transmit key to %dn", index);
- if (perm) ai->defindex = (char)index;
- } else {
- // We are actually setting the key
- wkr.len = sizeof(wkr);
- wkr.kindex = index;
- wkr.klen = keylen;
- memcpy( wkr.key, key, keylen );
- memcpy( wkr.mac, macaddr, 6 );
- printk(KERN_INFO "Setting key %dn", index);
- }
- writeWepKeyRid(ai, &wkr, perm);
- return 0;
- }
- static void proc_wepkey_on_close( struct inode *inode, struct file *file ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- int i;
- char key[16];
- u16 index = 0;
- int j = 0;
- memset(key, 0, sizeof(key));
- dp = (struct proc_dir_entry *) inode->u.generic_ip;
- data = (struct proc_data *)file->private_data;
- if ( !data->writelen ) return;
- if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' &&
- (data->wbuffer[1] == ' ' || data->wbuffer[1] == 'n')) {
- index = data->wbuffer[0] - '0';
- if (data->wbuffer[1] == 'n') {
- set_wep_key(ai, index, 0, 0, 1);
- return;
- }
- j = 2;
- } else {
- printk(KERN_ERR "airo: WepKey passed invalid key indexn");
- return;
- }
- for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) {
- switch(i%3) {
- case 0:
- key[i/3] = hexVal(data->wbuffer[i+j])<<4;
- break;
- case 1:
- key[i/3] |= hexVal(data->wbuffer[i+j]);
- break;
- }
- }
- set_wep_key(ai, index, key, i/3, 1);
- }
- static int proc_wepkey_open( struct inode *inode, struct file *file ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- char *ptr;
- WepKeyRid wkr;
- u16 lastindex;
- int j=0;
- int rc;
- MOD_INC_USE_COUNT;
- dp = (struct proc_dir_entry *) inode->u.generic_ip;
- if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
- return -ENOMEM;
- memset(file->private_data, 0, sizeof(struct proc_data));
- memset(&wkr, 0, sizeof(wkr));
- data = (struct proc_data *)file->private_data;
- if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
- kfree (file->private_data);
- return -ENOMEM;
- }
- memset(data->rbuffer, 0, 180);
- data->writelen = 0;
- data->maxwritelen = 80;
- if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
- kfree (data->rbuffer);
- kfree (file->private_data);
- return -ENOMEM;
- }
- memset( data->wbuffer, 0, 80 );
- data->on_close = proc_wepkey_on_close;
- ptr = data->rbuffer;
- strcpy(ptr, "No wep keysn");
- rc = readWepKeyRid(ai, &wkr, 1);
- if (rc == SUCCESS) do {
- lastindex = wkr.kindex;
- if (wkr.kindex == 0xffff) {
- j += sprintf(ptr+j, "Tx key = %dn",
- (int)wkr.mac[0]);
- } else {
- j += sprintf(ptr+j, "Key %d set with length = %dn",
- (int)wkr.kindex, (int)wkr.klen);
- }
- readWepKeyRid(ai, &wkr, 0);
- } while((lastindex != wkr.kindex) && (j < 180-30));
- data->readlen = strlen( data->rbuffer );
- return 0;
- }
- static int proc_SSID_open( struct inode *inode, struct file *file ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- int i;
- char *ptr;
- SsidRid SSID_rid;
- MOD_INC_USE_COUNT;
- dp = (struct proc_dir_entry *) inode->u.generic_ip;
- if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
- return -ENOMEM;
- memset(file->private_data, 0, sizeof(struct proc_data));
- data = (struct proc_data *)file->private_data;
- if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
- kfree (file->private_data);
- return -ENOMEM;
- }
- data->writelen = 0;
- data->maxwritelen = 33*3;
- if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
- kfree (data->rbuffer);
- kfree (file->private_data);
- return -ENOMEM;
- }
- memset( data->wbuffer, 0, 33*3 );
- data->on_close = proc_SSID_on_close;
- readSsidRid(ai, &SSID_rid);
- ptr = data->rbuffer;
- for( i = 0; i < 3; i++ ) {
- int j;
- if ( !SSID_rid.ssids[i].len ) break;
- for( j = 0; j < 32 &&
- j < SSID_rid.ssids[i].len &&
- SSID_rid.ssids[i].ssid[j]; j++ ) {
- *ptr++ = SSID_rid.ssids[i].ssid[j];
- }
- *ptr++ = 'n';
- }
- *ptr = ' ';
- data->readlen = strlen( data->rbuffer );
- return 0;
- }
- static int proc_APList_open( struct inode *inode, struct file *file ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- int i;
- char *ptr;
- APListRid APList_rid;
- MOD_INC_USE_COUNT;
- dp = (struct proc_dir_entry *) inode->u.generic_ip;
- if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
- return -ENOMEM;
- memset(file->private_data, 0, sizeof(struct proc_data));
- data = (struct proc_data *)file->private_data;
- if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
- kfree (file->private_data);
- return -ENOMEM;
- }
- data->writelen = 0;
- data->maxwritelen = 4*6*3;
- if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
- kfree (data->rbuffer);
- kfree (file->private_data);
- return -ENOMEM;
- }
- memset( data->wbuffer, 0, data->maxwritelen );
- data->on_close = proc_APList_on_close;
- readAPListRid(ai, &APList_rid);
- ptr = data->rbuffer;
- for( i = 0; i < 4; i++ ) {
- // We end when we find a zero MAC
- if ( !*(int*)APList_rid.ap[i] &&
- !*(int*)&APList_rid.ap[i][2]) break;
- ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02xn",
- (int)APList_rid.ap[i][0],
- (int)APList_rid.ap[i][1],
- (int)APList_rid.ap[i][2],
- (int)APList_rid.ap[i][3],
- (int)APList_rid.ap[i][4],
- (int)APList_rid.ap[i][5]);
- }
- if (i==0) ptr += sprintf(ptr, "Not using specific APsn");
- *ptr = ' ';
- data->readlen = strlen( data->rbuffer );
- return 0;
- }
- static int proc_BSSList_open( struct inode *inode, struct file *file ) {
- struct proc_data *data;
- struct proc_dir_entry *dp = inode->u.generic_ip;
- struct net_device *dev = dp->data;
- struct airo_info *ai = (struct airo_info*)dev->priv;
- char *ptr;
- BSSListRid BSSList_rid;
- int rc;
- /* If doLoseSync is not 1, we won't do a Lose Sync */
- int doLoseSync = -1;
- MOD_INC_USE_COUNT;
- dp = (struct proc_dir_entry *) inode->u.generic_ip;
- if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
- return -ENOMEM;
- memset(file->private_data, 0, sizeof(struct proc_data));
- data = (struct proc_data *)file->private_data;
- if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
- kfree (file->private_data);
- return -ENOMEM;
- }
- data->writelen = 0;
- data->maxwritelen = 0;
- data->wbuffer = 0;
- data->on_close = 0;
- if (file->f_mode & FMODE_WRITE) {
- if (!(file->f_mode & FMODE_READ)) {
- Cmd cmd;
- Resp rsp;
- memset(&cmd, 0, sizeof(cmd));
- cmd.cmd=CMD_LISTBSS;
- lock_issuecommand(ai, &cmd, &rsp);
- data->readlen = 0;
- return 0;
- }
- doLoseSync = 1;
- }
- ptr = data->rbuffer;
- /* There is a race condition here if there are concurrent opens.
- Since it is a rare condition, we'll just live with it, otherwise
- we have to add a spin lock... */
- rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
- while(rc == 0 && BSSList_rid.index != 0xffff) {
- ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
- (int)BSSList_rid.bssid[0],
- (int)BSSList_rid.bssid[1],
- (int)BSSList_rid.bssid[2],
- (int)BSSList_rid.bssid[3],
- (int)BSSList_rid.bssid[4],
- (int)BSSList_rid.bssid[5],
- (int)BSSList_rid.ssidLen,
- BSSList_rid.ssid,
- (int)BSSList_rid.rssi);
- ptr += sprintf(ptr, " channel = %d %s %s %s %sn",
- (int)BSSList_rid.dsChannel,
- BSSList_rid.cap & CAP_ESS ? "ESS" : "",
- BSSList_rid.cap & CAP_IBSS ? "adhoc" : "",
- BSSList_rid.cap & CAP_PRIVACY ? "wep" : "",
- BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : "");
- rc = readBSSListRid(ai, 0, &BSSList_rid);
- }
- *ptr = ' ';
- data->readlen = strlen( data->rbuffer );
- return 0;
- }
- static int proc_close( struct inode *inode, struct file *file )
- {
- struct proc_data *data = (struct proc_data *)file->private_data;
- if ( data->on_close != NULL ) data->on_close( inode, file );
- MOD_DEC_USE_COUNT;
- if ( data->rbuffer ) kfree( data->rbuffer );
- if ( data->wbuffer ) kfree( data->wbuffer );
- kfree( data );
- return 0;
- }
- static struct net_device_list {
- struct net_device *dev;
- struct net_device_list *next;
- } *airo_devices = 0;
- /* Since the card doesnt automatically switch to the right WEP mode,
- we will make it do it. If the card isn't associated, every secs we
- will switch WEP modes to see if that will help. If the card is
- associated we will check every minute to see if anything has
- changed. */
- static void timer_func( u_long data ) {
- struct net_device *dev = (struct net_device*)data;
- struct airo_info *apriv = (struct airo_info *)dev->priv;
- u16 linkstat = IN4500(apriv, LINKSTAT);
- if (linkstat != 0x400 ) {
- /* We don't have a link so try changing the authtype */
- ConfigRid config = apriv->config;
- switch(apriv->authtype) {
- case AUTH_ENCRYPT:
- /* So drop to OPEN */
- config.authType = AUTH_OPEN;
- apriv->authtype = AUTH_OPEN;
- break;
- case AUTH_SHAREDKEY:
- if (apriv->keyindex < auto_wep) {
- set_wep_key(apriv, apriv->keyindex, 0, 0, 0);
- config.authType = AUTH_SHAREDKEY;
- apriv->authtype = AUTH_SHAREDKEY;
- apriv->keyindex++;
- } else {
- /* Drop to ENCRYPT */
- apriv->keyindex = 0;
- set_wep_key(apriv, apriv->defindex, 0, 0, 0);
- config.authType = AUTH_ENCRYPT;
- apriv->authtype = AUTH_ENCRYPT;
- }
- break;
- default: /* We'll escalate to SHAREDKEY */
- config.authType = AUTH_SHAREDKEY;
- apriv->authtype = AUTH_SHAREDKEY;
- }
- checkThrottle(&config);
- writeConfigRid(apriv, &config);
- /* Schedule check to see if the change worked */
- apriv->timer.expires = RUN_AT(HZ*3);
- add_timer(&apriv->timer);
- }
- }
- static int add_airo_dev( struct net_device *dev ) {
- struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
- if ( !node )
- return -ENOMEM;
- if ( auto_wep ) {
- struct airo_info *apriv=dev->priv;
- struct timer_list *timer = &apriv->timer;
- timer->function = timer_func;
- timer->data = (u_long)dev;
- init_timer(timer);
- apriv->authtype = AUTH_SHAREDKEY;
- }
- node->dev = dev;
- node->next = airo_devices;
- airo_devices = node;
- return 0;
- }
- static void del_airo_dev( struct net_device *dev ) {
- struct net_device_list **p = &airo_devices;
- while( *p && ( (*p)->dev != dev ) )
- p = &(*p)->next;
- if ( *p && (*p)->dev == dev )
- *p = (*p)->next;
- }
- #ifdef CONFIG_PCI
- static int __devinit airo_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *pent)
- {
- struct net_device *dev;
- dev = init_airo_card(pdev->irq, pdev->resource[2].start, 0);
- if (!dev)
- return -ENODEV;
- pci_set_drvdata(pdev, dev);
- return 0;
- }
- static void __devexit airo_pci_remove(struct pci_dev *pdev)
- {
- stop_airo_card(pci_get_drvdata(pdev), 1);
- }
- #endif
- static int __init airo_init_module( void )
- {
- int i, rc = 0, have_isa_dev = 0;
- airo_entry = create_proc_entry("aironet",
- S_IFDIR | airo_perm,
- proc_root_driver);
- airo_entry->uid = proc_uid;
- airo_entry->gid = proc_gid;
- for( i = 0; i < 4 && io[i] && irq[i]; i++ ) {
- printk( KERN_INFO
- "airo: Trying to configure ISA adapter at irq=%d io=0x%xn",
- irq[i], io[i] );
- if (init_airo_card( irq[i], io[i], 0 ))
- have_isa_dev = 1;
- }
- #ifdef CONFIG_PCI
- printk( KERN_INFO "airo: Probing for PCI adaptersn" );
- rc = pci_module_init(&airo_driver);
- printk( KERN_INFO "airo: Finished probing for PCI adaptersn" );
- #endif
- /* Always exit with success, as we are a library module
- * as well as a driver module
- */
- return 0;
- }
- static void __exit airo_cleanup_module( void )
- {
- while( airo_devices ) {
- printk( KERN_INFO "airo: Unregistering %sn", airo_devices->dev->name );
- stop_airo_card( airo_devices->dev, 1 );
- }
- remove_proc_entry("aironet", proc_root_driver);
- }
- #ifdef WIRELESS_EXT
- /*
- * Initial Wireless Extension code for Aironet driver by :
- * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00
- */
- #ifndef IW_ENCODE_NOKEY
- #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
- #define IW_ENCODE_MODE (IW_ENCODE_DISABLED | IW_ENCODE_RESTRICTED | IW_ENCODE_OPEN)
- #endif /* IW_ENCODE_NOKEY */
- #endif /* WIRELESS_EXT */
- /*
- * This defines the configuration part of the Wireless Extensions
- * Note : irq and spinlock protection will occur in the subroutines
- *
- * TODO :
- * o Check input value more carefully and fill correct values in range
- * o Implement : POWER, SPY, APLIST
- * o Optimise when adapter is closed (aggregate changes, commit later)
- * o Test and shakeout the bugs (if any)
- *
- * Jean II
- *
- * Javier Achirica did a great job of merging code from the unnamed CISCO
- * developer that added support for flashing the card.
- */
- static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
- {
- int i, rc = 0;
- #ifdef WIRELESS_EXT
- struct airo_info *local = (struct airo_info*) dev->priv;
- struct iwreq *wrq = (struct iwreq *) rq;
- ConfigRid config; /* Configuration info */
- CapabilityRid cap_rid; /* Card capability info */
- StatusRid status_rid; /* Card status info */
- #ifdef CISCO_EXT
- if (cmd != SIOCGIWPRIV && cmd != AIROIOCTL && cmd != AIROIDIFC
- #ifdef AIROOLDIOCTL
- && cmd != AIROOLDIOCTL && cmd != AIROOLDIDIFC
- #endif
- )
- #endif /* CISCO_EXT */
- {
- /* If the command read some stuff, we better get it out of
- * the card first... */
- if(IW_IS_GET(cmd))
- readStatusRid(local, &status_rid);
- if(IW_IS_GET(cmd) || (cmd == SIOCSIWRATE) || (cmd == SIOCSIWENCODE))
- readCapabilityRid(local, &cap_rid);
- /* Get config in all cases, because SET will just modify it */
- readConfigRid(local, &config);
- }
- #endif /* WIRELESS_EXT */
- switch (cmd) {
- #ifdef WIRELESS_EXT
- // Get name
- case SIOCGIWNAME:
- strcpy(wrq->u.name, "IEEE 802.11-DS");
- break;
- // Set frequency/channel
- case SIOCSIWFREQ:
- /* If setting by frequency, convert to a channel */
- if((wrq->u.freq.e == 1) &&
- (wrq->u.freq.m >= (int) 2.412e8) &&
- (wrq->u.freq.m <= (int) 2.487e8)) {
- int f = wrq->u.freq.m / 100000;
- int c = 0;
- while((c < 14) && (f != frequency_list[c]))
- c++;
- /* Hack to fall through... */
- wrq->u.freq.e = 0;
- wrq->u.freq.m = c + 1;
- }
- /* Setting by channel number */
- if((wrq->u.freq.m > 1000) || (wrq->u.freq.e > 0))
- rc = -EOPNOTSUPP;
- else {
- int channel = wrq->u.freq.m;
- /* We should do a better check than that,
- * based on the card capability !!! */
- if((channel < 1) || (channel > 16)) {
- printk(KERN_DEBUG "%s: New channel value of %d is invalid!n", dev->name, wrq->u.freq.m);
- rc = -EINVAL;
- } else {
- /* Yes ! We can set it !!! */
- config.channelSet = (u16)(channel - 1);
- local->need_commit = 1;
- }
- }
- break;
- // Get frequency/channel
- case SIOCGIWFREQ:
- #ifdef WEXT_USECHANNELS
- wrq->u.freq.m = ((int)status_rid.channel) + 1;
- wrq->u.freq.e = 0;
- #else
- {
- int f = (int)status_rid.channel;
- wrq->u.freq.m = frequency_list[f] * 100000;
- wrq->u.freq.e = 1;
- }
- #endif
- break;
- // Set desired network name (ESSID)
- case SIOCSIWESSID:
- if (wrq->u.data.pointer) {
- char essid[IW_ESSID_MAX_SIZE + 1];
- SsidRid SSID_rid; /* SSIDs */
- /* Reload the list of current SSID */
- readSsidRid(local, &SSID_rid);
- /* Check if we asked for `any' */
- if(wrq->u.data.flags == 0) {
- /* Just send an empty SSID list */
- memset(&SSID_rid, 0, sizeof(SSID_rid));
- } else {
- int index = (wrq->u.data.flags &
- IW_ENCODE_INDEX) - 1;
- /* Check the size of the string */
- if(wrq->u.data.length > IW_ESSID_MAX_SIZE+1) {
- rc = -E2BIG;
- break;
- }
- /* Check if index is valid */
- if((index < 0) || (index >= 4)) {
- rc = -EINVAL;
- break;
- }
- /* Set the SSID */
- memset(essid, 0, sizeof(essid));
- if (copy_from_user(essid,
- wrq->u.data.pointer,
- wrq->u.data.length)) {
- rc = -EFAULT;
- break;
- }
- memcpy(SSID_rid.ssids[index].ssid, essid,
- sizeof(essid) - 1);
- SSID_rid.ssids[index].len = wrq->u.data.length - 1;
- }
- /* Write it to the card */
- writeSsidRid(local, &SSID_rid);
- }
- break;
- // Get current network name (ESSID)
- case SIOCGIWESSID:
- if (wrq->u.data.pointer) {
- char essid[IW_ESSID_MAX_SIZE + 1];
- /* Note : if wrq->u.data.flags != 0, we should
- * get the relevant SSID from the SSID list... */
- /* Get the current SSID */
- memcpy(essid, status_rid.SSID, status_rid.SSIDlen);
- essid[status_rid.SSIDlen] = ' ';
- /* If none, we may want to get the one that was set */
- /* Push it out ! */
- wrq->u.data.length = strlen(essid) + 1;
- wrq->u.data.flags = 1; /* active */
- if (copy_to_user(wrq->u.data.pointer, essid, sizeof(essid)))
- rc = -EFAULT;
- }
- break;
- case SIOCSIWAP:
- if (wrq->u.ap_addr.sa_family != ARPHRD_ETHER)
- rc = -EINVAL;
- else {
- APListRid APList_rid;
- memset(&APList_rid, 0, sizeof(APList_rid));
- APList_rid.len = sizeof(APList_rid);
- memcpy(APList_rid.ap[0], wrq->u.ap_addr.sa_data, 6);
- writeAPListRid(local, &APList_rid);
- local->need_commit = 1;
- }
- break;
- // Get current Access Point (BSSID)
- case SIOCGIWAP:
- /* Tentative. This seems to work, wow, I'm lucky !!! */
- memcpy(wrq->u.ap_addr.sa_data, status_rid.bssid[0], 6);
- wrq->u.ap_addr.sa_family = ARPHRD_ETHER;
- break;
- // Set desired station name
- case SIOCSIWNICKN:
- if (wrq->u.data.pointer) {
- char name[16 + 1];
- /* Check the size of the string */
- if(wrq->u.data.length > 16 + 1) {
- rc = -E2BIG;
- break;
- }
- memset(name, 0, sizeof(name));
- if (copy_from_user(name, wrq->u.data.pointer,
- wrq->u.data.length)) {
- rc = -EFAULT;
- break;
- }
- memcpy(config.nodeName, name, 16);
- local->need_commit = 1;
- }
- break;
- // Get current station name
- case SIOCGIWNICKN:
- if (wrq->u.data.pointer) {
- char name[IW_ESSID_MAX_SIZE + 1];
- strncpy(name, config.nodeName, 16);
- name[16] = ' ';
- wrq->u.data.length = strlen(name) + 1;
- if (copy_to_user(wrq->u.data.pointer, name, sizeof(name)))
- rc = -EFAULT;
- }
- break;
- // Set the desired bit-rate
- case SIOCSIWRATE:
- {
- /* First : get a valid bit rate value */
- u8 brate = 0;
- int i;
- /* Which type of value ? */
- if((wrq->u.bitrate.value < 8) &&
- (wrq->u.bitrate.value >= 0)) {
- /* Setting by rate index */
- /* Find value in the magic rate table */
- brate = cap_rid.supportedRates[wrq->u.bitrate.value];
- } else {
- /* Setting by frequency value */
- u8 normvalue = (u8) (wrq->u.bitrate.value/500000);
- /* Check if rate is valid */
- for(i = 0 ; i < 8 ; i++) {
- if(normvalue == cap_rid.supportedRates[i]) {
- brate = normvalue;
- break;
- }
- }
- }
- /* -1 designed the max rate (mostly auto mode) */
- if(wrq->u.bitrate.value == -1) {
- /* Get the highest available rate */
- for(i = 0 ; i < 8 ; i++) {
- if(cap_rid.supportedRates[i] == 0)
- break;
- }
- if(i != 0)
- brate = cap_rid.supportedRates[i - 1];
- }
- /* Check that it is valid */
- if(brate == 0) {
- rc = -EINVAL;
- break;
- }
- /* Now, check if we want a fixed or auto value */
- if(wrq->u.bitrate.fixed == 0) {
- /* Fill all the rates up to this max rate */
- memset(config.rates, 0, 8);
- for(i = 0 ; i < 8 ; i++) {
- config.rates[i] = cap_rid.supportedRates[i];
- if(config.rates[i] == brate)
- break;
- }
- local->need_commit = 1;
- } else {
- /* Fixed mode */
- /* One rate, fixed */
- memset(config.rates, 0, 8);
- config.rates[0] = brate;
- local->need_commit = 1;
- }
- break;
- }
- // Get the current bit-rate
- case SIOCGIWRATE:
- {
- int brate = status_rid.currentXmitRate;
- wrq->u.bitrate.value = brate * 500000;
- /* If more than one rate, set auto */
- wrq->u.rts.fixed = (config.rates[1] == 0);
- }
- break;
- // Set the desired RTS threshold
- case SIOCSIWRTS:
- {
- int rthr = wrq->u.rts.value;
- if(wrq->u.rts.disabled)
- rthr = 2312;
- if((rthr < 0) || (rthr > 2312)) {
- rc = -EINVAL;
- } else {
- config.rtsThres = rthr;
- local->need_commit = 1;
- }
- }
- break;
- // Get the current RTS threshold
- case SIOCGIWRTS:
- wrq->u.rts.value = config.rtsThres;
- wrq->u.rts.disabled = (wrq->u.rts.value >= 2312);
- wrq->u.rts.fixed = 1;
- break;
- // Set the desired fragmentation threshold
- case SIOCSIWFRAG:
- {
- int fthr = wrq->u.frag.value;
- if(wrq->u.frag.disabled)
- fthr = 2312;
- if((fthr < 256) || (fthr > 2312)) {
- rc = -EINVAL;
- } else {
- fthr &= ~0x1; /* Get an even value */
- config.fragThresh = (u16)fthr;
- local->need_commit = 1;
- }
- }
- break;
- // Get the current fragmentation threshold
- case SIOCGIWFRAG:
- wrq->u.frag.value = config.fragThresh;
- wrq->u.frag.disabled = (wrq->u.frag.value >= 2312);
- wrq->u.frag.fixed = 1;
- break;
- // Set mode of operation
- case SIOCSIWMODE:
- switch(wrq->u.mode) {
- case IW_MODE_ADHOC:
- config.opmode = MODE_STA_IBSS;
- local->need_commit = 1;
- break;
- case IW_MODE_INFRA:
- config.opmode = MODE_STA_ESS;
- local->need_commit = 1;
- break;
- case IW_MODE_MASTER:
- config.opmode = MODE_AP;
- local->need_commit = 1;
- break;
- case IW_MODE_REPEAT:
- config.opmode = MODE_AP_RPTR;
- local->need_commit = 1;
- break;
- default:
- rc = -EINVAL;
- }
- break;
- // Get mode of operation
- case SIOCGIWMODE:
- /* If not managed, assume it's ad-hoc */
- switch (config.opmode & 0xFF) {
- case MODE_STA_ESS:
- wrq->u.mode = IW_MODE_INFRA;
- break;
- case MODE_AP:
- wrq->u.mode = IW_MODE_MASTER;
- break;
- case MODE_AP_RPTR:
- wrq->u.mode = IW_MODE_REPEAT;
- break;
- default:
- wrq->u.mode = IW_MODE_ADHOC;
- }
- break;
- // Set WEP keys and mode
- case SIOCSIWENCODE:
- /* Is WEP supported ? */
- /* Older firmware doesn't support this...
- if(!(cap_rid.softCap & 2)) {
- rc = -EOPNOTSUPP;
- break;
- } */
- /* Basic checking: do we have a key to set ? */
- if (wrq->u.encoding.pointer != (caddr_t) 0) {
- wep_key_t key;
- int index = (wrq->u.encoding.flags & IW_ENCODE_INDEX) - 1;
- int current_index = get_wep_key(local, 0xffff);
- /* Check the size of the key */
- if (wrq->u.encoding.length > MAX_KEY_SIZE) {
- rc = -EINVAL;
- break;
- }
- /* Check the index (none -> use current) */
- if ((index < 0) || (index>=(cap_rid.softCap&0x80)?4:1))
- index = current_index;
- /* Set the length */
- if (wrq->u.encoding.length > MIN_KEY_SIZE)
- key.len = MAX_KEY_SIZE;
- else
- if (wrq->u.encoding.length > 0)
- key.len = MIN_KEY_SIZE;
- else
- /* Disable the key */
- key.len = 0;
- /* Check if the key is not marked as invalid */
- if(!(wrq->u.encoding.flags & IW_ENCODE_NOKEY)) {
- /* Cleanup */
- memset(key.key, 0, MAX_KEY_SIZE);
- /* Copy the key in the driver */
- if(copy_from_user(key.key,
- wrq->u.encoding.pointer,
- wrq->u.encoding.length)) {
- key.len = 0;
- rc = -EFAULT;
- break;
- }
- /* Send the key to the card */
- set_wep_key(local, index, key.key,
- key.len, 1);
- }
- /* WE specify that if a valid key is set, encryption
- * should be enabled (user may turn it off later)
- * This is also how "iwconfig ethX key on" works */
- if((index == current_index) && (key.len > 0) &&
- (config.authType == AUTH_OPEN)) {
- config.authType = AUTH_ENCRYPT;
- local->need_commit = 1;
- }
- } else {
- /* Do we want to just set the transmit key index ? */
- int index = (wrq->u.encoding.flags & IW_ENCODE_INDEX) - 1;
- if ((index>=0) && (index<(cap_rid.softCap&0x80)?4:1)) {
- set_wep_key(local, index, 0, 0, 1);
- } else
- /* Don't complain if only change the mode */
- if(!wrq->u.encoding.flags & IW_ENCODE_MODE) {
- rc = -EINVAL;
- break;
- }
- }
- /* Read the flags */
- if(wrq->u.encoding.flags & IW_ENCODE_DISABLED)
- config.authType = AUTH_OPEN; // disable encryption
- if(wrq->u.encoding.flags & IW_ENCODE_RESTRICTED)
- config.authType = AUTH_SHAREDKEY; // Only Both
- if(wrq->u.encoding.flags & IW_ENCODE_OPEN)
- config.authType = AUTH_ENCRYPT; // Only Wep
- /* Commit the changes if needed */
- if(wrq->u.encoding.flags & IW_ENCODE_MODE)
- local->need_commit = 1;
- break;
- // Get the WEP keys and mode
- case SIOCGIWENCODE:
- /* Is it supported ? */
- if(!(cap_rid.softCap & 2)) {
- rc = -EOPNOTSUPP;
- break;
- }
- // Only super-user can see WEP key
- if (!capable(CAP_NET_ADMIN)) {
- rc = -EPERM;
- break;
- }
- // Basic checking...
- if (wrq->u.encoding.pointer != (caddr_t) 0) {
- char zeros[16];
- int index = (wrq->u.encoding.flags & IW_ENCODE_INDEX) - 1;
- memset(zeros,0, sizeof(zeros));
- /* Check encryption mode */
- wrq->u.encoding.flags = IW_ENCODE_NOKEY;
- /* Is WEP enabled ??? */
- switch(config.authType) {
- case AUTH_ENCRYPT:
- wrq->u.encoding.flags |= IW_ENCODE_OPEN;
- break;
- case AUTH_SHAREDKEY:
- wrq->u.encoding.flags |= IW_ENCODE_RESTRICTED;
- break;
- default:
- case AUTH_OPEN:
- wrq->u.encoding.flags |= IW_ENCODE_DISABLED;
- break;
- }
- /* Which key do we want ? -1 -> tx index */
- if((index < 0) || (index >= (cap_rid.softCap&0x80)?4:1))
- index = get_wep_key(local, 0xffff);
- wrq->u.encoding.flags |= index + 1;
- /* Copy the key to the user buffer */
- wrq->u.encoding.length = get_wep_key(local, index);
- if (wrq->u.encoding.length > 16) {
- wrq->u.encoding.length=0;
- }
- if(copy_to_user(wrq->u.encoding.pointer, zeros,
- wrq->u.encoding.length))
- rc = -EFAULT;
- }
- break;
- #if WIRELESS_EXT > 9
- // Get the current Tx-Power
- case SIOCGIWTXPOW:
- wrq->u.txpower.value = config.txPower;
- wrq->u.txpower.fixed = 1; /* No power control */
- wrq->u.txpower.disabled = (local->flags & FLAG_RADIO_OFF);
- wrq->u.txpower.flags = IW_TXPOW_MWATT;
- break;
- case SIOCSIWTXPOW:
- if (wrq->u.txpower.disabled) {
- local->flags |= FLAG_RADIO_OFF;
- local->need_commit = 1;
- break;
- }
- if (wrq->u.txpower.flags != IW_TXPOW_MWATT) {
- rc = -EINVAL;
- break;
- }
- local->flags &= ~FLAG_RADIO_OFF;
- rc = -EINVAL;
- for (i = 0; cap_rid.txPowerLevels[i] && (i < 8); i++)
- if ((wrq->u.txpower.value==cap_rid.txPowerLevels[i])) {
- config.txPower = wrq->u.txpower.value;
- local->need_commit = 1;
- rc = 0;
- break;
- }
- break;
- #endif /* WIRELESS_EXT > 9 */
- #if WIRELESS_EXT > 10
- case SIOCSIWRETRY:
- if(wrq->u.retry.disabled) {
- rc = -EINVAL;
- break;
- }
- local->need_commit = 0;
- if(wrq->u.retry.flags & IW_RETRY_LIMIT) {
- if(wrq->u.retry.flags & IW_RETRY_MAX)
- config.longRetryLimit = wrq->u.retry.value;
- else if (wrq->u.retry.flags & IW_RETRY_MIN)
- config.shortRetryLimit = wrq->u.retry.value;
- else {
- /* No modifier : set both */
- config.longRetryLimit = wrq->u.retry.value;
- config.shortRetryLimit = wrq->u.retry.value;
- }
- local->need_commit = 1;
- }
- if(wrq->u.retry.flags & IW_RETRY_LIFETIME) {
- config.txLifetime = wrq->u.retry.value / 1024;
- local->need_commit = 1;
- }
- if(local->need_commit == 0) {
- rc = -EINVAL;
- }
- break;
- case SIOCGIWRETRY:
- wrq->u.retry.disabled = 0; /* Can't be disabled */
- /* Note : by default, display the min retry number */
- if((wrq->u.retry.flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
- wrq->u.retry.flags = IW_RETRY_LIFETIME;
- wrq->u.retry.value = (int)config.txLifetime * 1024;
- } else if((wrq->u.retry.flags & IW_RETRY_MAX)) {
- wrq->u.retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
- wrq->u.retry.value = (int)config.longRetryLimit;
- } else {
- wrq->u.retry.flags = IW_RETRY_LIMIT;
- wrq->u.retry.value = (int)config.shortRetryLimit;
- if((int)config.shortRetryLimit != (int)config.longRetryLimit)
- wrq->u.retry.flags |= IW_RETRY_MIN;
- }
- break;
- #endif /* WIRELESS_EXT > 10 */
- // Get range of parameters
- case SIOCGIWRANGE:
- if (wrq->u.data.pointer) {
- struct iw_range range;
- int i;
- int k;
- wrq->u.data.length = sizeof(range);
- memset(&range, 0, sizeof(range));
- range.min_nwid = 0x0000;
- range.max_nwid = 0x0000;
- range.num_channels = 14;
- /* Should be based on cap_rid.country to give only
- * what the current card support */
- k = 0;
- for(i = 0; i < 14; i++) {
- range.freq[k].i = i + 1; /* List index */
- range.freq[k].m = frequency_list[i] * 100000;
- range.freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */
- }
- range.num_frequency = k;
- /* Hum... Should put the right values there */
- range.max_qual.qual = 10;
- range.max_qual.level = 0x100 - 120; /* -120 dBm */
- range.max_qual.noise = 0;
- range.sensitivity = 65535;
- for(i = 0 ; i < 8 ; i++) {
- range.bitrate[i] = cap_rid.supportedRates[i] * 500000;
- if(range.bitrate[i] == 0)
- break;
- }
- range.num_bitrates = i;
- /* Set an indication of the max TCP throughput
- * in bit/s that we can expect using this interface.
- * May be use for QoS stuff... Jean II */
- if(i > 2)
- range.throughput = 5 * 1000 * 1000;
- else
- range.throughput = 1.5 * 1000 * 1000;
- range.min_rts = 0;
- range.max_rts = 2312;
- range.min_frag = 256;
- range.max_frag = 2312;
- if(cap_rid.softCap & 2) {
- // WEP: RC4 40 bits
- range.encoding_size[0] = 5;
- // RC4 ~128 bits
- if (cap_rid.softCap & 0x100) {
- range.encoding_size[1] = 13;
- range.num_encoding_sizes = 2;
- } else
- range.num_encoding_sizes = 1;
- range.max_encoding_tokens = (cap_rid.softCap & 0x80) ? 4 : 1;
- } else {
- range.num_encoding_sizes = 0;
- range.max_encoding_tokens = 0;
- }
- #if WIRELESS_EXT > 9
- range.min_pmp = 0;
- range.max_pmp = 5000000; /* 5 secs */
- range.min_pmt = 0;
- range.max_pmt = 65535 * 1024; /* ??? */
- range.pmp_flags = IW_POWER_PERIOD;
- range.pmt_flags = IW_POWER_TIMEOUT;
- range.pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
- /* Transmit Power - values are in mW */
- for(i = 0 ; i < 8 ; i++) {
- range.txpower[i] = cap_rid.txPowerLevels[i];
- if(range.txpower[i] == 0)
- break;
- }
- range.num_txpower = i;
- range.txpower_capa = IW_TXPOW_MWATT;
- #endif /* WIRELESS_EXT > 9 */
- #if WIRELESS_EXT > 10
- range.we_version_source = 12;
- range.we_version_compiled = WIRELESS_EXT;
- range.retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
- range.retry_flags = IW_RETRY_LIMIT;
- range.r_time_flags = IW_RETRY_LIFETIME;
- range.min_retry = 1;
- range.max_retry = 65535;
- range.min_r_time = 1024;
- range.max_r_time = 65535 * 1024;
- #endif /* WIRELESS_EXT > 10 */
- #if WIRELESS_EXT > 11
- /* Experimental measurements - boundary 11/5.5 Mb/s */
- /* Note : with or without the (local->rssi), results
- * are somewhat different. - Jean II */
- range.avg_qual.qual = 6;
- if (local->rssi)
- range.avg_qual.level = 186; /* -70 dBm */
- else
- range.avg_qual.level = 176; /* -80 dBm */
- range.avg_qual.noise = 0;
- #endif /* WIRELESS_EXT > 11 */
- if (copy_to_user(wrq->u.data.pointer, &range, sizeof(struct iw_range)))
- rc = -EFAULT;
- }
- break;
- case SIOCGIWPOWER:
- {
- int mode = config.powerSaveMode;
- if ((wrq->u.power.disabled = (mode == POWERSAVE_CAM)))
- break;
- if ((wrq->u.power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
- wrq->u.power.value = (int)config.fastListenDelay * 1024;
- wrq->u.power.flags = IW_POWER_TIMEOUT;
- } else {
- wrq->u.power.value = (int)config.fastListenInterval * 1024;
- wrq->u.power.flags = IW_POWER_PERIOD;
- }
- if ((config.rmode & 0xFF) == RXMODE_ADDR)
- wrq->u.power.flags |= IW_POWER_UNICAST_R;
- else
- wrq->u.power.flags |= IW_POWER_ALL_R;
- }
- break;
- case SIOCSIWPOWER:
- if (wrq->u.power.disabled) {
- if ((config.rmode & 0xFF) >= RXMODE_RFMON) {
- rc = -EINVAL;
- break;
- }
- config.powerSaveMode = POWERSAVE_CAM;
- config.rmode &= 0xFF00;
- config.rmode |= RXMODE_BC_MC_ADDR;
- local->need_commit = 1;
- break;
- }
- if ((wrq->u.power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
- config.fastListenDelay = (wrq->u.power.value + 500) / 1024;
- config.powerSaveMode = POWERSAVE_PSPCAM;
- local->need_commit = 1;
- } else if ((wrq->u.power.flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
- config.fastListenInterval = config.listenInterval = (wrq->u.power.value + 500) / 1024;
- config.powerSaveMode = POWERSAVE_PSPCAM;
- local->need_commit = 1;
- }
- switch (wrq->u.power.flags & IW_POWER_MODE) {
- case IW_POWER_UNICAST_R:
- if ((config.rmode & 0xFF) >= RXMODE_RFMON) {
- rc = -EINVAL;
- break;
- }
- config.rmode &= 0xFF00;
- config.rmode |= RXMODE_ADDR;
- local->need_commit = 1;
- break;
- case IW_POWER_ALL_R:
- if ((config.rmode & 0xFF) >= RXMODE_RFMON) {
- rc = -EINVAL;
- break;
- }
- config.rmode &= 0xFF00;
- config.rmode |= RXMODE_BC_MC_ADDR;
- local->need_commit = 1;
- case IW_POWER_ON:
- break;
- default:
- rc = -EINVAL;
- }
- break;
- case SIOCGIWSENS:
- wrq->u.sens.value = config.rssiThreshold;
- wrq->u.sens.disabled = (wrq->u.sens.value == 0);
- wrq->u.sens.fixed = 1;
- break;
- case SIOCSIWSENS:
- config.rssiThreshold = wrq->u.sens.disabled ? RSSI_DEFAULT : wrq->u.sens.value;
- local->need_commit = 1;
- break;
- case SIOCGIWAPLIST:
- if (wrq->u.data.pointer) {
- int i, rc;
- struct sockaddr s[IW_MAX_AP];
- struct iw_quality qual[IW_MAX_AP];
- BSSListRid BSSList;
- int loseSync = capable(CAP_NET_ADMIN) ? 1: -1;
- for (i = 0; i < IW_MAX_AP; i++) {
- if (readBSSListRid(local, loseSync, &BSSList))
- break;
- loseSync = 0;
- memcpy(s[i].sa_data, BSSList.bssid, 6);
- s[i].sa_family = ARPHRD_ETHER;
- if (local->rssi)
- qual[i].level = 0x100 - local->rssi[BSSList.rssi].rssidBm;
- else
- qual[i].level = (BSSList.rssi + 321) / 2;
- qual[i].qual = qual[i].noise = 0;
- qual[i].updated = 2;
- if (BSSList.index == 0xffff) break;
- }
- if (!i) {
- for (i = 0;
- i < min(IW_MAX_AP, 4) &&
- (status_rid.bssid[i][0]
- & status_rid.bssid[i][1]
- & status_rid.bssid[i][2]
- & status_rid.bssid[i][3]
- & status_rid.bssid[i][4]
- & status_rid.bssid[i][5])!=-1 &&
- (status_rid.bssid[i][0]
- | status_rid.bssid[i][1]
- | status_rid.bssid[i][2]
- | status_rid.bssid[i][3]
- | status_rid.bssid[i][4]
- | status_rid.bssid[i][5]);
- i++) {
- memcpy(s[i].sa_data,
- status_rid.bssid[i], 6);
- s[i].sa_family = ARPHRD_ETHER;
- }
- } else {
- wrq->u.data.flags = 1; /* Should be define'd */
- if (copy_to_user(wrq->u.data.pointer
- + sizeof(struct sockaddr)*i,
- &qual,
- sizeof(struct iw_quality)*i))
- rc = -EFAULT;
- }
- wrq->u.data.length = i;
- if (copy_to_user(wrq->u.data.pointer, &s,
- sizeof(struct sockaddr)*i))
- rc = -EFAULT;
- }
- break;
- #ifdef WIRELESS_SPY
- // Set the spy list
- case SIOCSIWSPY:
- if (wrq->u.data.length > IW_MAX_SPY)
- {
- rc = -E2BIG;
- break;
- }
- local->spy_number = wrq->u.data.length;
- if (local->spy_number > 0)
- {
- struct sockaddr address[IW_MAX_SPY];
- int i;
- if (copy_from_user(address, wrq->u.data.pointer,
- sizeof(struct sockaddr) * local->spy_number)) {
- rc = -EFAULT;
- break;
- }
- for (i=0; i<local->spy_number; i++)
- memcpy(local->spy_address[i], address[i].sa_data, 6);
- memset(local->spy_stat, 0, sizeof(struct iw_quality) * IW_MAX_SPY);
- }
- break;
- // Get the spy list
- case SIOCGIWSPY:
- wrq->u.data.length = local->spy_number;
- if ((local->spy_number > 0) && (wrq->u.data.pointer))
- {
- struct sockaddr address[IW_MAX_SPY];
- int i;
- rc = verify_area(VERIFY_WRITE, wrq->u.data.pointer, (sizeof(struct iw_quality)+sizeof(struct sockaddr)) * IW_MAX_SPY);
- if (rc)
- break;
- for (i=0; i<local->spy_number; i++)
- {
- memcpy(address[i].sa_data, local->spy_address[i], 6);
- address[i].sa_family = AF_UNIX;
- }
- if (copy_to_user(wrq->u.data.pointer, address, sizeof(struct sockaddr) * local->spy_number)) {
- rc = -EFAULT;
- break;
- }
- if (copy_to_user(wrq->u.data.pointer + (sizeof(struct sockaddr)*local->spy_number), local->spy_stat, sizeof(struct iw_quality) * local->spy_number)) {
- rc = -EFAULT;
- break;
- }
- for (i=0; i<local->spy_number; i++)
- local->spy_stat[i].updated = 0;
- }
- break;
- #endif /* WIRELESS_SPY */
- #ifdef CISCO_EXT
- case SIOCGIWPRIV:
- if(wrq->u.data.pointer)
- {
- struct iw_priv_args priv[] =
- { /* cmd, set_args, get_args, name */
- { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), IW_PRIV_TYPE_BYTE | 2047, "airoioctl" },
- { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" },
- };
- /* Set the number of ioctl available */
- wrq->u.data.length = 2;
- /* Copy structure to the user buffer */
- if(copy_to_user(wrq->u.data.pointer, (u_char *) priv,
- sizeof(priv)))
- rc = -EFAULT;
- }
- break;
- #endif /* CISCO_EXT */
- #endif /* WIRELESS_EXT */
- #ifdef CISCO_EXT
- case AIROIDIFC:
- #ifdef AIROOLDIDIFC
- case AIROOLDIDIFC:
- #endif
- {
- int val = AIROMAGIC;
- aironet_ioctl com;
- if (copy_from_user(&com,rq->ifr_data,sizeof(com)))
- rc = -EFAULT;
- else if (copy_to_user(com.data,(char *)&val,sizeof(val)))
- rc = -EFAULT;
- }
- break;
- case AIROIOCTL:
- #ifdef AIROOLDIOCTL
- case AIROOLDIOCTL:
- #endif
- /* Get the command struct and hand it off for evaluation by
- * the proper subfunction
- */
- {
- aironet_ioctl com;
- if (copy_from_user(&com,rq->ifr_data,sizeof(com))) {
- rc = -EFAULT;
- break;
- }
- /* Seperate R/W functions bracket legality here
- */
- if ( com.command <= AIROGSTATSD32 )
- rc = readrids(dev,&com);
- else if ( com.command >= AIROPCAP && com.command <= AIROPLEAPUSR )
- rc = writerids(dev,&com);
- else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART )
- rc = flashcard(dev,&com);
- else
- rc = -EINVAL; /* Bad command in ioctl */
- }
- break;
- #endif /* CISCO_EXT */
- // All other calls are currently unsupported
- default:
- rc = -EOPNOTSUPP;
- }
- #ifdef WIRELESS_EXT
- /* Some of the "SET" function may have modified some of the
- * parameters. It's now time to commit them in the card */
- if(local->need_commit) {
- /* A classical optimisation here is to not commit any change
- * if the card is not "opened". This is what we do in
- * wvlan_cs (see for details).
- * For that, we would need to have the config RID saved in
- * the airo_info struct and make sure to not re-read it if
- * local->need_commit != 0. Then, you need to patch "open"
- * to do the final commit of all parameters...
- * Jean II */
- Resp rsp;
- disable_MAC(local);
- local->config = config; /* ???? config is local !!! */
- checkThrottle(&config);
- writeConfigRid(local, &config);
- enable_MAC(local, &rsp);
- local->need_commit = 0;
- }
- #endif /* WIRELESS_EXT */
- return(rc);
- }
- #ifdef WIRELESS_EXT
- /*
- * Get the Wireless stats out of the driver
- * Note : irq and spinlock protection will occur in the subroutines
- *
- * TODO :
- * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs)
- * o Find the noise level
- *
- * Jean
- */
- struct iw_statistics *airo_get_wireless_stats(struct net_device *dev)
- {
- struct airo_info *local = (struct airo_info*) dev->priv;
- StatusRid status_rid;
- StatsRid stats_rid;
- u32 *vals = stats_rid.vals;
- /* Get stats out of the card */
- readStatusRid(local, &status_rid);
- readStatsRid(local, &stats_rid, RID_STATS);
- /* The status */
- local->wstats.status = status_rid.mode;
- /* Signal quality and co. But where is the noise level ??? */
- local->wstats.qual.qual = status_rid.signalQuality;
- if (local->rssi)
- local->wstats.qual.level = 0x100 - local->rssi[status_rid.sigQuality].rssidBm;
- else
- local->wstats.qual.level = (status_rid.normalizedSignalStrength + 321) / 2;
- local->wstats.qual.noise = 0;
- local->wstats.qual.updated = 3;
- /* Packets discarded in the wireless adapter due to wireless
- * specific problems */
- local->wstats.discard.nwid = vals[56] + vals[57] + vals[58];/* SSID Mismatch */
- local->wstats.discard.code = vals[6];/* RxWepErr */
- #if WIRELESS_EXT > 11
- local->wstats.discard.fragment = vals[30];
- local->wstats.discard.retries = vals[10];
- local->wstats.discard.misc = vals[1] + vals[32];
- local->wstats.miss.beacon = vals[34];
- #else /* WIRELESS_EXT > 11 */
- local->wstats.discard.misc = vals[1] + vals[30] + vals[32];
- #endif /* WIRELESS_EXT > 11 */
- return (&local->wstats);
- }
- #endif /* WIRELESS_EXT */
- #ifdef CISCO_EXT
- /*
- * This just translates from driver IOCTL codes to the command codes to
- * feed to the radio's host interface. Things can be added/deleted
- * as needed. This represents the READ side of control I/O to
- * the card
- */
- static int readrids(struct net_device *dev, aironet_ioctl *comp) {
- unsigned short ridcode;
- unsigned char iobuf[2048];
- switch(comp->command)
- {
- case AIROGCAP: ridcode = RID_CAPABILITIES; break;
- case AIROGCFG: ridcode = RID_CONFIG; break;
- case AIROGSLIST: ridcode = RID_SSID; break;
- case AIROGVLIST: ridcode = RID_APLIST; break;
- case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
- case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
- case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
- /* Only super-user can read WEP keys */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- break;
- case AIROGWEPKNV: ridcode = RID_WEP_PERM;
- /* Only super-user can read WEP keys */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- break;
- case AIROGSTAT: ridcode = RID_STATUS; break;
- case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
- case AIROGSTATSC32: ridcode = RID_STATS; break;
- default:
- return -EINVAL;
- break;
- }
- PC4500_readrid((struct airo_info *)dev->priv,ridcode,iobuf,sizeof(iobuf));
- /* get the count of bytes in the rid docs say 1st 2 bytes is it.
- * then return it to the user
- * 9/22/2000 Honor user given length
- */
- if (copy_to_user(comp->data, iobuf,
- min((int)comp->len, (int)sizeof(iobuf))))
- return -EFAULT;
- return 0;
- }
- /*
- * Danger Will Robinson write the rids here
- */
- static int writerids(struct net_device *dev, aironet_ioctl *comp) {
- int ridcode;
- Resp rsp;
- static int (* writer)(struct airo_info *, u16 rid, const void *, int);
- unsigned char iobuf[2048];
- /* Only super-user can write RIDs */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- ridcode = 0;
- writer = do_writerid;
- switch(comp->command)
- {
- case AIROPSIDS: ridcode = RID_SSID; break;
- case AIROPCAP: ridcode = RID_CAPABILITIES; break;
- case AIROPAPLIST: ridcode = RID_APLIST; break;
- case AIROPCFG: ridcode = RID_CONFIG; break;
- case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break;
- case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break;
- case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break;
- case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid;
- break;
- /* this is not really a rid but a command given to the card
- * same with MAC off
- */
- case AIROPMACON:
- if (enable_MAC(dev->priv, &rsp) != 0)
- return -EIO;
- return 0;
- /*
- * Evidently this code in the airo driver does not get a symbol
- * as disable_MAC. it's probably so short the compiler does not gen one.
- */
- case AIROPMACOFF:
- disable_MAC(dev->priv);
- return 0;
- /* This command merely clears the counts does not actually store any data
- * only reads rid. But as it changes the cards state, I put it in the
- * writerid routines.
- */
- case AIROPSTCLR:
- ridcode = RID_STATSDELTACLEAR;
- PC4500_readrid(dev->priv,ridcode,iobuf,sizeof(iobuf));
- if (copy_to_user(comp->data, iobuf,
- min((int)comp->len, (int)sizeof(iobuf))))
- return -EFAULT;
- return 0;
- default:
- return -EOPNOTSUPP; /* Blarg! */
- }
- if(comp->len > sizeof(iobuf))
- return -EINVAL;
- if (copy_from_user(iobuf,comp->data,comp->len))
- return -EFAULT;
- if((*writer)((struct airo_info *)dev->priv, ridcode, iobuf,comp->len))
- return -EIO;
- return 0;
- }
- /*****************************************************************************
- * Ancillary flash / mod functions much black magic lurkes here *
- *****************************************************************************
- */
- /*
- * Flash command switch table
- */
- int flashcard(struct net_device *dev, aironet_ioctl *comp) {
- int z;
- int cmdreset(struct airo_info *);
- int setflashmode(struct airo_info *);
- int flashgchar(struct airo_info *,int,int);
- int flashpchar(struct airo_info *,int,int);
- int flashputbuf(struct airo_info *);
- int flashrestart(struct airo_info *,struct net_device *);
- /* Only super-user can modify flash */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- switch(comp->command)
- {
- case AIROFLSHRST:
- return cmdreset((struct airo_info *)dev->priv);
- case AIROFLSHSTFL:
- if (!((struct airo_info *)dev->priv)->flash &&
- (((struct airo_info *)dev->priv)->flash = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
- return -ENOMEM;
- return setflashmode((struct airo_info *)dev->priv);
- case AIROFLSHGCHR: /* Get char from aux */
- if(comp->len != sizeof(int))
- return -EINVAL;
- if (copy_from_user(&z,comp->data,comp->len))
- return -EFAULT;
- return flashgchar((struct airo_info *)dev->priv,z,8000);
- case AIROFLSHPCHR: /* Send char to card. */
- if(comp->len != sizeof(int))
- return -EINVAL;
- if (copy_from_user(&z,comp->data,comp->len))
- return -EFAULT;
- return flashpchar((struct airo_info *)dev->priv,z,8000);
- case AIROFLPUTBUF: /* Send 32k to card */
- if (!((struct airo_info *)dev->priv)->flash)
- return -ENOMEM;
- if(comp->len > FLASHSIZE)
- return -EINVAL;
- if(copy_from_user(((struct airo_info *)dev->priv)->flash,comp->data,comp->len))
- return -EFAULT;
- flashputbuf((struct airo_info *)dev->priv);
- return 0;
- case AIRORESTART:
- if(flashrestart((struct airo_info *)dev->priv,dev))
- return -EIO;
- return 0;
- }
- return -EINVAL;
- }
- #define FLASH_COMMAND 0x7e7e
- /*
- * STEP 1)
- * Disable MAC and do soft reset on
- * card.
- */
- int cmdreset(struct airo_info *ai) {
- disable_MAC(ai);
- if(!waitbusy (ai)){
- printk(KERN_INFO "Waitbusy hang before RESETn");
- return -EBUSY;
- }
- OUT4500(ai,COMMAND,CMD_SOFTRESET);
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (HZ); /* WAS 600 12/7/00 */
- if(!waitbusy (ai)){
- printk(KERN_INFO "Waitbusy hang AFTER RESETn");
- return -EBUSY;
- }
- return 0;
- }
- /* STEP 2)
- * Put the card in legendary flash
- * mode
- */
- int setflashmode (struct airo_info *ai) {
- OUT4500(ai, SWS0, FLASH_COMMAND);
- OUT4500(ai, SWS1, FLASH_COMMAND);
- OUT4500(ai, SWS0, FLASH_COMMAND);
- OUT4500(ai, COMMAND,0x10);
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (HZ/2); /* 500ms delay */
- if(!waitbusy(ai)) {
- printk(KERN_INFO "Waitbusy hang after setflash moden");
- return -EIO;
- }
- return 0;
- }
- /* Put character to SWS0 wait for dwelltime
- * x 50us for echo .
- */
- int flashpchar(struct airo_info *ai,int byte,int dwelltime) {
- int echo;
- int waittime;
- byte |= 0x8000;
- if(dwelltime == 0 )
- dwelltime = 200;
- waittime=dwelltime;
- /* Wait for busy bit d15 to go false indicating buffer empty */
- while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) {
- udelay (50);
- waittime -= 50;
- }
- /* timeout for busy clear wait */
- if(waittime <= 0 ){
- printk(KERN_INFO "flash putchar busywait timeout! n");
- return -EBUSY;
- }
- /* Port is clear now write byte and wait for it to echo back */
- do {
- OUT4500(ai,SWS0,byte);
- udelay(50);
- dwelltime -= 50;
- echo = IN4500(ai,SWS1);
- } while (dwelltime >= 0 && echo != byte);
- OUT4500(ai,SWS1,0);
- return (echo == byte) ? 0 : -EIO;
- }
- /*
- * Get a character from the card matching matchbyte
- * Step 3)
- */
- int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){
- int rchar;
- unsigned char rbyte=0;
- do {
- rchar = IN4500(ai,SWS1);
- if(dwelltime && !(0x8000 & rchar)){
- dwelltime -= 10;
- mdelay(10);
- continue;
- }
- rbyte = 0xff & rchar;
- if( (rbyte == matchbyte) && (0x8000 & rchar) ){
- OUT4500(ai,SWS1,0);
- return 0;
- }
- if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar)
- break;
- OUT4500(ai,SWS1,0);
- }while(dwelltime > 0);
- return -EIO;
- }
- /*
- * Transfer 32k of firmware data from user buffer to our buffer and
- * send to the card
- */
- int flashputbuf(struct airo_info *ai){
- int nwords;
- /* Write stuff */
- OUT4500(ai,AUXPAGE,0x100);
- OUT4500(ai,AUXOFF,0);
- for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
- OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff);
- }
- OUT4500(ai,SWS0,0x8000);
- return 0;
- }
- /*
- *
- */
- int flashrestart(struct airo_info *ai,struct net_device *dev){
- int i,status;
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (HZ); /* Added 12/7/00 */
- status = setup_card(ai, dev->dev_addr,&((struct airo_info*)dev->priv)->config);
- for( i = 0; i < MAX_FIDS; i++ ) {
- ai->fids[i] = transmit_allocate( ai, 2312 );
- }
- set_current_state (TASK_UNINTERRUPTIBLE);
- schedule_timeout (HZ); /* Added 12/7/00 */
- return status;
- }
- #endif /* CISCO_EXT */
- /*
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- 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.
- In addition:
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. The name of the author may not be used to endorse or promote
- products derived from this software without specific prior written
- permission.
- THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- POSSIBILITY OF SUCH DAMAGE.
- */
- module_init(airo_init_module);
- module_exit(airo_cleanup_module);