patch-2.4.6 linux/drivers/net/wireless/airo.c
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- Lines: 4317
- Date:
Mon Jul 2 14:03:04 2001
- Orig file:
v2.4.5/linux/drivers/net/wireless/airo.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.4.5/linux/drivers/net/wireless/airo.c linux/drivers/net/wireless/airo.c
@@ -0,0 +1,4316 @@
+/*======================================================================
+
+ 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/malloc.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>
+
+#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: airo_pci_remove,
+};
+#endif /* CONFIG_PCI */
+
+/* Include Wireless Extension definition and check version - Jean II */
+#include <linux/wireless.h>
+#if WIRELESS_EXT < 9
+#warning "Wireless extension v9 or newer required - please upgrade your kernel"
+#undef WIRELESS_EXT
+#endif
+#define WIRELESS_SPY // enable iwspy support
+#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_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>
+
+#define min(x,y) ((x<y)?x:y)
+
+/* 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_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
+
+/* 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 | EV_UNKNOWN)
+
+/* The RIDs */
+#define RID_CAPABILITIES 0xFF00
+#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_ACTUALCONFIG 0xFF20 /*readonly*/
+#define RID_LEAPUSERNAME 0xFF23
+#define RID_LEAPPASSWORD 0xFF24
+#define RID_STATUS 0xFF50
+#define RID_STATS 0xFF68
+#define RID_STATSDELTA 0xFF69
+#define RID_STATSDELTACLEAR 0xFF6A
+
+/*
+ * 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 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 cmd;
+ u16 parm0;
+ u16 parm1;
+ u16 parm2;
+} Cmd;
+
+typedef struct {
+ u16 status;
+ u16 rsp0;
+ u16 rsp1;
+ u16 rsp2;
+} Resp;
+
+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;
+ u16 shortPreamble;
+ 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];
+ 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;
+
+#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
+#define AIROIOCTL SIOCDEVPRIVATE
+#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
+#define MAX_KEYS 4 // 4 different keys
+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 0.2 (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 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 bap0_lock;
+ spinlock_t bap1_lock;
+ spinlock_t aux_lock;
+ spinlock_t cmd_lock;
+ int flags;
+#define FLAG_PROMISC 0x01
+#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 *);
+#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 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 %x\n", rc);
+ if (perm) {
+ rc = do_writerid(ai, RID_WEP_PERM, &wkr, sizeof(wkr));
+ if (rc!=SUCCESS) {
+ printk(KERN_ERR "airo: WEP_PERM set %x\n", 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;
+ s16 retval = 0;
+ u16 status;
+ u32 flags;
+ s8 *buffer;
+ 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->bap1_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 ) {
+ retval = -EBUSY;
+ goto tx_done;
+ }
+
+ len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; /* check min length*/
+ buffer = skb->data;
+
+ 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_errors++;
+ }
+ tx_done:
+ spin_unlock_irqrestore(&priv->bap1_lock, flags);
+ dev_kfree_skb(skb);
+ return 0;
+}
+
+static struct net_device_stats *airo_get_stats(struct net_device *dev) {
+ return &(((struct airo_info*)dev->priv)->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;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.cmd=CMD_SETMODE;
+ cmd.parm0=(dev->flags&IFF_PROMISC) ? PROMISC : NOPROMISC;
+ issuecommand(ai, &cmd, &rsp);
+
+ 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;
+ 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_etherdev\n");
+ return NULL;
+ }
+ ai = dev->priv;
+ ai->registered = 1;
+ ai->dev = dev;
+ ai->bap0_lock = SPIN_LOCK_UNLOCKED;
+ ai->bap1_lock = SPIN_LOCK_UNLOCKED;
+ ai->aux_lock = SPIN_LOCK_UNLOCKED;
+ ai->cmd_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 = register_netdev(dev);
+ if (rc)
+ goto err_out_unlink;
+
+ rc = request_irq( dev->irq, airo_interrupt,
+ SA_SHIRQ | SA_INTERRUPT, dev->name, dev );
+ if (rc) {
+ printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
+ goto err_out_unregister;
+ }
+ 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 enabled\n" );
+ rc = -EIO;
+ goto err_out_res;
+ }
+
+ printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
+ 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_unregister:
+ unregister_netdev(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, flags;
+ struct airo_info *ai = (struct airo_info*)dev->priv;
+
+ disable_MAC(ai);
+ spin_lock_irqsave(&ai->cmd_lock, flags);
+ 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);
+ spin_unlock_irqrestore(&ai->cmd_lock, flags);
+ if ( setup_card(ai, dev->dev_addr, &(ai)->config) != SUCCESS ) {
+ printk( KERN_ERR "airo: MAC could not be enabled\n" );
+ return -1;
+ } else {
+ printk( KERN_INFO "airo: MAC enabled %s %x:%x:%x:%x:%x:%x\n",
+ 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;
+
+
+ if (!netif_device_present(dev))
+ return;
+
+ status = IN4500( apriv, EVSTAT );
+ if ( !status || status == 0xffff ) return;
+
+ if ( status & EV_AWAKE ) {
+ OUT4500( apriv, EVACK, EV_AWAKE );
+ OUT4500( apriv, EVACK, EV_AWAKE );
+ }
+
+ 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);
+ /* 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;
+ int flags;
+ u16 fc, len, hdrlen = 0;
+ struct {
+ u16 status, len;
+ u8 rssi[2];
+ } hdr;
+
+ fid = IN4500( apriv, RXFID );
+
+ /* Get the packet length */
+ spin_lock_irqsave(&apriv->bap0_lock, flags);
+ 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) {
+ apriv->stats.rx_crc_errors++;
+ apriv->stats.rx_errors++;
+ 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) {
+ apriv->stats.rx_length_errors++;
+ apriv->stats.rx_errors++;
+ printk( KERN_ERR
+ "airo: Bad size %d\n", 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);
+ }
+#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];
+ apriv->spy_stat[i].level = hdr.rssi[1];
+ apriv->spy_stat[i].noise = 0;
+ apriv->spy_stat[i].updated = 3;
+ break;
+ }
+ }
+#endif /* WIRELESS_SPY */
+ apriv->stats.rx_packets++;
+ apriv->stats.rx_bytes += len + hdrlen;
+ 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 );
+ }
+ spin_unlock_irqrestore(&apriv->bap0_lock, flags);
+ }
+
+ /* Check to see if a packet has been transmitted */
+ if ( status & ( EV_TX|EV_TXEXC ) ) {
+ int i;
+ int len = 0;
+ int full = 1;
+ int index = -1;
+
+ fid = IN4500(apriv, TXCOMPLFID);
+
+ for( i = 0; i < MAX_FIDS; i++ ) {
+ if (!(apriv->fids[i] & 0xffff0000)) full = 0;
+ if ( ( apriv->fids[i] & 0xffff ) == fid ) {
+ len = apriv->fids[i] >> 16;
+ index = i;
+ /* Set up to be used again */
+ apriv->fids[i] &= 0xffff;
+ }
+ }
+ if (full) netif_wake_queue(dev);
+ if (index==-1) {
+ printk( KERN_ERR
+ "airo: Unallocated FID was used to xmit\n" );
+ }
+ if ( status & EV_TX ) {
+ apriv->stats.tx_packets++;
+ if(index!=-1)
+ apriv->stats.tx_bytes += len;
+ } else {
+ apriv->stats.tx_errors++;
+ }
+ }
+ if ( status & ~STATUS_INTS )
+ printk( KERN_WARNING
+ "airo: Got weird status %x\n",
+ status & ~STATUS_INTS );
+ OUT4500( apriv, EVACK, status & STATUS_INTS );
+ 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 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
+ 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 ) );
+
+ /* The NOP is the first step in getting the card going */
+ cmd.cmd = NOP;
+ cmd.parm0 = cmd.parm1 = cmd.parm2 = 0;
+ if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
+ return ERROR;
+ }
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.cmd = MAC_DISABLE; // disable in case already enabled
+ if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) {
+ return ERROR;
+ }
+
+ // Let's figure out if we need to use the AUX port
+ cmd.cmd = CMD_ENABLEAUX;
+ if (issuecommand(ai, &cmd, &rsp) != SUCCESS) {
+ printk(KERN_ERR "airo: Error checking for AUX port\n");
+ return ERROR;
+ }
+ if (!aux_bap || rsp.status & 0xff00) {
+ ai->bap_read = fast_bap_read;
+ printk(KERN_DEBUG "airo: Doing fast bap_reads\n");
+ } else {
+ ai->bap_read = aux_bap_read;
+ printk(KERN_DEBUG "airo: Doing AUX bap_reads\n");
+ }
+ if ( config->len ) {
+ cfg = *config;
+ } else {
+ // general configuration (read/modify/write)
+ status = readConfigRid(ai, &cfg);
+ if ( status != SUCCESS ) return ERROR;
+ 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 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
+ // Im really paranoid about letting it run forever!
+ int max_tries = 600000;
+ int rc = SUCCESS;
+ int flags;
+
+ spin_lock_irqsave(&ai->cmd_lock, flags);
+ 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 command\n" );
+ rc = ERROR;
+ goto done;
+ }
+ // 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);
+ done:
+ spin_unlock_irqrestore(&ai->cmd_lock, flags);
+ return rc;
+}
+
+/* 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 %d\n",
+ status, whichbap );
+ return ERROR;
+ } else if (status & BAP_DONE) { // success
+ return SUCCESS;
+ }
+ if ( !(max_tries--) ) {
+ printk( KERN_ERR
+ "airo: BAP setup error too many retries\n" );
+ 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;
+ int 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;
+ int flags;
+ int rc = SUCCESS;
+
+ spin_lock_irqsave(&ai->bap1_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, le16_to_cpu(*(u16*)pBuf)) - 2;
+
+ if ( len <= 2 ) {
+ printk( KERN_ERR
+ "airo: Rid %x has a length of %d which is too short\n",
+ (int)rid,
+ (int)len );
+ rc = ERROR;
+ goto done;
+ }
+ // read remainder of the rid
+ if (bap_setup(ai, rid, 2, BAP1) != SUCCESS) {
+ rc = ERROR;
+ goto done;
+ }
+ rc = bap_read(ai, ((u16*)pBuf)+1, len, BAP1);
+ done:
+ spin_unlock_irqrestore(&ai->bap1_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;
+ int flags;
+ int rc = SUCCESS;
+
+ spin_lock_irqsave(&ai->bap1_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->bap1_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;
+ int flags;
+
+ cmd.cmd = CMD_ALLOCATETX;
+ cmd.parm0 = lenPayload;
+ if (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->bap1_lock, flags);
+ if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) {
+ spin_unlock_irqrestore(&ai->bap1_lock, flags);
+ return ERROR;
+ }
+ bap_write(ai, &txControl, sizeof(txControl), BAP1);
+ spin_unlock_irqrestore(&ai->bap1_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 %d\n", 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!
+ */
+
+/*
+ * Unfortunately sometime between 2.0 and 2.2 the proc interface changed...
+ * Unfortunately I dont know when it was...
+ * Im guessing it is sometime around 0x20155... Anybody know?
+ */
+
+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_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_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 *);
+};
+
+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;
+/* This is what was needed right up to the last few versions
+ of 2.3:
+ entry->ops = &proc_inode_statsdelta_ops;
+*/
+ entry->proc_fops = &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;
+ entry->proc_fops = &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;
+ entry->proc_fops = &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;
+ entry->proc_fops = &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;
+ entry->proc_fops = &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;
+ entry->proc_fops = &proc_APList_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;
+ entry->proc_fops = &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("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;
+
+ 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);
+
+ sprintf( data->rbuffer, "Mode: %x\n"
+ "Signal Strength: %d\n"
+ "Signal Quality: %d\n"
+ "SSID: %-.*s\n"
+ "AP: %-.16s\n"
+ "Freq: %d\n"
+ "BitRate: %dmbs\n"
+ "Driver Version: %s\n"
+ "Device: %s\nManufacturer: %s\nFirmware Version: %s\n"
+ "Radio type: %x\nCountry: %x\nHardware Version: %x\n"
+ "Software Version: %x\nSoftware Subversion: %x\n"
+ "Boot block version: %x\n",
+ (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: %d\n", statsLabels[i], vals[i]);
+ }
+ if (i*4>=stats.len){
+ printk(KERN_WARNING
+ "airo: Got a short rid\n");
+ }
+ 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 modulation\n" );
+ }
+ } else {
+ printk( KERN_WARNING "Couldn't figure out %s\n", 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: %s\n"
+ "Radio: %s\n"
+ "NodeName: %-16s\n"
+ "PowerMode: %s\n"
+ "DataRates: %d %d %d %d %d %d %d %d\n"
+ "Channel: %d\n"
+ "XmitPower: %d\n",
+ 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: %d\n"
+ "ShortRetryLimit: %d\n"
+ "RTSThreshold: %d\n"
+ "TXMSDULifetime: %d\n"
+ "RXMSDULifetime: %d\n"
+ "TXDiversity: %s\n"
+ "RXDiversity: %s\n"
+ "FragThreshold: %d\n"
+ "WEP: %s\n"
+ "Modulation: %s\n",
+ (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"
+ );
+ 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 %d\n", 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 %d\n", 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 index\n");
+ 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 keys\n");
+ rc = readWepKeyRid(ai, &wkr, 1);
+ if (rc == SUCCESS) do {
+ lastindex = wkr.kindex;
+ if (wkr.kindex == 0xffff) {
+ j += sprintf(ptr+j, "Tx key = %d\n",
+ (int)wkr.mac[0]);
+ } else {
+ j += sprintf(ptr+j, "Key %d set with length = %d\n",
+ (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 = '\0';
+ 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:%02x\n",
+ (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 APs\n");
+
+ *ptr = '\0';
+ 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)
+{
+ pdev->driver_data = init_airo_card(pdev->irq,
+ pdev->resource[2].start, 0);
+ if (!pdev->driver_data) {
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static void __devexit airo_pci_remove(struct pci_dev *pdev)
+{
+ stop_airo_card(pdev->driver_data, 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%x\n",
+ 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 adapters\n" );
+ rc = pci_module_init(&airo_driver);
+ printk( KERN_INFO "airo: Finished probing for PCI adapters\n" );
+#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 %s\n", 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 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 */
+ int i;
+
+#ifdef CISCO_EXT
+ if (cmd != SIOCGIWPRIV && cmd != AIROIOCTL && cmd != AIROIDIFC)
+#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));
+ copy_from_user(essid,
+ wrq->u.data.pointer,
+ wrq->u.data.length);
+ 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] = '\0';
+ /* 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));
+ copy_from_user(name, wrq->u.data.pointer, wrq->u.data.length);
+ 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] = '\0';
+ 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 >= MAX_KEYS))
+ 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 < MAX_KEYS)) {
+ 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 >= MAX_KEYS))
+ 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 SIOCGIWRETRY:
+ wrq->u.retry.disabled = 0;
+ if ((wrq->u.retry.flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME)
+ wrq->u.retry.value = (int)config.txLifetime * 1024;
+ else {
+ wrq->u.retry.value = (int)config.shortRetryLimit;
+ wrq->u.retry.flags = IW_RETRY_LIMIT;
+ }
+ break;
+
+ case SIOCSIWRETRY:
+ if (wrq->u.retry.disabled) {
+ config.shortRetryLimit = 0;
+ config.longRetryLimit = 0;
+ config.txLifetime = 0;
+ local->need_commit = 1;
+ break;
+ }
+ if ((wrq->u.retry.flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
+ config.txLifetime = (wrq->u.retry.value + 500) / 1024;
+ local->need_commit = 1;
+ } else if ((wrq->u.retry.flags & IW_RETRY_TYPE) == IW_RETRY_LIMIT) {
+ config.shortRetryLimit = config.longRetryLimit = wrq->u.retry.value;
+ local->need_commit = 1;
+ }
+ 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);
+ /* Should adapt depending on max rate */
+ range.throughput = 1.6 * 1024 * 1024;
+ 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 = 100;
+ 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;
+
+ 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 = 4; // 4 keys
+ } 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 = 11;
+ 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 (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;
+ struct sockaddr s[4];
+
+ for (i = 0; i < 4; i++) {
+ memcpy(s[i].sa_data, status_rid.bssid[i], 6);
+ s[i].sa_family = ARPHRD_ETHER;
+ }
+ wrq->u.data.length = 4;
+ if (copy_to_user(wrq->u.data.pointer, &s, sizeof(s)))
+ 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;
+ }
+ copy_to_user(wrq->u.data.pointer, address, sizeof(struct sockaddr) * local->spy_number);
+ copy_to_user(wrq->u.data.pointer + (sizeof(struct sockaddr)*local->spy_number), local->spy_stat, sizeof(struct iw_quality) * local->spy_number);
+ 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:
+ {
+ 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:
+ /* Get the command struct and hand it off for evaluation by
+ * the proper subfunction
+ */
+ {
+ aironet_ioctl com;
+ copy_from_user(&com,rq->ifr_data,sizeof(com));
+
+ /* 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
+ * o Convert values to dBm
+ * o Fill out discard.misc with something interesting
+ *
+ * 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;
+ int *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;
+ local->wstats.qual.level = status_rid.normalizedSignalStrength;
+ 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 */
+ local->wstats.discard.misc = vals[1] + vals[2] + vals[3] + vals[4] + vals[30] + vals[32];
+ 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 (comp->len, 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(comp->len,sizeof(iobuf))))
+ return -EFAULT;
+ return 0;
+
+ default:
+ return -EOPNOTSUPP; /* Blarg! */
+ }
+ if(comp->len > sizeof(iobuf))
+ return -EINVAL;
+
+ copy_from_user(iobuf,comp->data,comp->len);
+ 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 *, unsigned short *);
+ int flashrestart(struct airo_info *,struct net_device *);
+ unsigned short * flashbuffer;
+
+ /* 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:
+ return setflashmode((struct airo_info *)dev->priv);
+
+ case AIROFLSHGCHR: /* Get char from aux */
+ if(comp->len != sizeof(int))
+ return -EINVAL;
+ copy_from_user(&z,comp->data,comp->len);
+ return flashgchar((struct airo_info *)dev->priv,z,8000);
+
+ case AIROFLSHPCHR: /* Send char to card. */
+ if(comp->len != sizeof(int))
+ return -EINVAL;
+ copy_from_user(&z,comp->data,comp->len);
+ return flashpchar((struct airo_info *)dev->priv,z,8000);
+
+ case AIROFLPUTBUF: /* Send 32k to card */
+ if(comp->len > FLASHSIZE)
+ return -EINVAL;
+ if ((flashbuffer = kmalloc (FLASHSIZE, GFP_KERNEL)) == NULL)
+ return -ENOMEM;
+ if(copy_from_user(flashbuffer,comp->data,comp->len)) {
+ kfree (flashbuffer);
+ return -EINVAL;
+ }
+
+ flashputbuf((struct airo_info *)dev->priv,flashbuffer);
+ kfree (flashbuffer);
+ 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) {
+ int flags;
+
+ disable_MAC(ai);
+
+ spin_lock_irqsave(&ai->cmd_lock, flags);
+ if(!waitbusy (ai)){
+ printk(KERN_INFO "Waitbusy hang before RESET\n");
+ 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 RESET\n");
+ return -EBUSY;
+ }
+ spin_unlock_irqrestore(&ai->cmd_lock, flags);
+ return 0;
+}
+
+/* STEP 2)
+ * Put the card in legendary flash
+ * mode
+ */
+
+int setflashmode (struct airo_info *ai) {
+ int flags;
+
+ spin_lock_irqsave(&ai->cmd_lock, flags);
+ 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 */
+ spin_unlock_irqrestore(&ai->cmd_lock, flags);
+
+ if(!waitbusy(ai)) {
+ printk(KERN_INFO "Waitbusy hang after setflash mode\n");
+ 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, unsigned short *bufp){
+ int nwords;
+
+ /* Write stuff */
+ OUT4500(ai,AUXPAGE,0x100);
+ OUT4500(ai,AUXOFF,0);
+
+ for(nwords=0;nwords != FLASHSIZE / 2;nwords++){
+ OUT4500(ai,AUXDATA,bufp[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);
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)