diff options
Diffstat (limited to 'drivers/net/wireless/cisco/airo.c')
| -rw-r--r-- | drivers/net/wireless/cisco/airo.c | 8288 |
1 files changed, 0 insertions, 8288 deletions
diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c deleted file mode 100644 index dbd13f7aa3..0000000000 --- a/drivers/net/wireless/cisco/airo.c +++ /dev/null @@ -1,8288 +0,0 @@ -/*====================================================================== - - Aironet driver for 4500 and 4800 series cards - - This code is released under both the GPL version 2 and BSD licenses. - Either license may be used. The respective licenses are found at - the end of this file. - - This code was developed by Benjamin Reed <breed@users.sourceforge.net> - including portions of which come from the Aironet PC4500 - Developer's Reference Manual and used with permission. Copyright - (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use - code in the Developer's manual was granted for this driver by - Aironet. Major code contributions were received from Javier Achirica - <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>. - Code was also integrated from the Cisco Aironet driver for Linux. - Support for MPI350 cards was added by Fabrice Bellet - <fabrice@bellet.info>. - -======================================================================*/ - -#include <linux/err.h> -#include <linux/init.h> - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/proc_fs.h> - -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/in.h> -#include <linux/bitops.h> -#include <linux/scatterlist.h> -#include <linux/crypto.h> -#include <linux/io.h> -#include <asm/unaligned.h> - -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <linux/uaccess.h> -#include <linux/kthread.h> -#include <linux/freezer.h> - -#include <crypto/aes.h> -#include <crypto/skcipher.h> - -#include <net/cfg80211.h> -#include <net/iw_handler.h> - -#include "airo.h" - -#define DRV_NAME "airo" - -#ifdef CONFIG_PCI -static const struct pci_device_id card_ids[] = { - { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID }, - { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, }, - { 0, } -}; -MODULE_DEVICE_TABLE(pci, card_ids); - -static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *); -static void airo_pci_remove(struct pci_dev *); -static int __maybe_unused airo_pci_suspend(struct device *dev); -static int __maybe_unused airo_pci_resume(struct device *dev); - -static SIMPLE_DEV_PM_OPS(airo_pci_pm_ops, - airo_pci_suspend, - airo_pci_resume); - -static struct pci_driver airo_driver = { - .name = DRV_NAME, - .id_table = card_ids, - .probe = airo_pci_probe, - .remove = airo_pci_remove, - .driver.pm = &airo_pci_pm_ops, -}; -#endif /* CONFIG_PCI */ - -/* Include Wireless Extension definition and check version - Jean II */ -#include <linux/wireless.h> -#define WIRELESS_SPY /* enable iwspy support */ - -#define CISCO_EXT /* enable Cisco extensions */ -#ifdef CISCO_EXT -#include <linux/delay.h> -#endif - -/* Hack to do some power saving */ -#define POWER_ON_DOWN - -/* As you can see this list is HUGH! - I really don't know what a lot of these counts are about, but they - are all here for completeness. If the IGNLABEL macro is put in - infront of the label, that statistic will not be included in the list - of statistics in the /proc filesystem */ - -#define IGNLABEL(comment) NULL -static const 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 char *ssids[3]; - -static int io[4]; -static int irq[4]; - -static -int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at. - 0 means no limit. For old cards this was 4 */ - -static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */ -static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read - the bap, needed on some older cards and buses. */ -static int adhoc; - -static int probe = 1; - -static kuid_t proc_kuid; -static int proc_uid /* = 0 */; - -static kgid_t proc_kgid; -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/MPI cards and support for PCMCIA when used with airo_cs."); -MODULE_LICENSE("Dual BSD/GPL"); -module_param_hw_array(io, int, ioport, NULL, 0); -module_param_hw_array(irq, int, irq, NULL, 0); -module_param_array(rates, int, NULL, 0); -module_param_array(ssids, charp, NULL, 0); -module_param(auto_wep, int, 0); -MODULE_PARM_DESC(auto_wep, - "If non-zero, the driver will keep looping through the authentication options until an association is made. " - "The value of auto_wep is number of the wep keys to check. " - "A value of 2 will try using the key at index 0 and index 1."); -module_param(aux_bap, int, 0); -MODULE_PARM_DESC(aux_bap, - "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. " - "Before switching it checks that the switch is needed."); -module_param(maxencrypt, int, 0); -MODULE_PARM_DESC(maxencrypt, - "The maximum speed that the card can do encryption. " - "Units are in 512kbs. " - "Zero (default) means there is no limit. " - "Older cards used to be limited to 2mbs (4)."); -module_param(adhoc, int, 0); -MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode."); -module_param(probe, int, 0); -MODULE_PARM_DESC(probe, "If zero, the driver won't start the card."); - -module_param(proc_uid, int, 0); -MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to."); -module_param(proc_gid, int, 0); -MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to."); -module_param(airo_perm, int, 0); -MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet."); -module_param(proc_perm, int, 0); -MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc"); - -/* This is a kind of sloppy hack to get this information to OUT4500 and - IN4500. I would be extremely interested in the situation where this - doesn't work though!!! */ -static int do8bitIO /* = 0 */; - -/* Return codes */ -#define SUCCESS 0 -#define ERROR -1 -#define NO_PACKET -2 - -/* Commands */ -#define NOP2 0x0000 -#define MAC_ENABLE 0x0001 -#define MAC_DISABLE 0x0002 -#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */ -#define CMD_SOFTRESET 0x0004 -#define HOSTSLEEP 0x0005 -#define CMD_MAGIC_PKT 0x0006 -#define CMD_SETWAKEMASK 0x0007 -#define CMD_READCFG 0x0008 -#define CMD_SETMODE 0x0009 -#define CMD_ALLOCATETX 0x000a -#define CMD_TRANSMIT 0x000b -#define CMD_DEALLOCATETX 0x000c -#define NOP 0x0010 -#define CMD_WORKAROUND 0x0011 -#define CMD_ALLOCATEAUX 0x0020 -#define CMD_ACCESS 0x0021 -#define CMD_PCIBAP 0x0022 -#define CMD_PCIAUX 0x0023 -#define CMD_ALLOCBUF 0x0028 -#define CMD_GETTLV 0x0029 -#define CMD_PUTTLV 0x002a -#define CMD_DELTLV 0x002b -#define CMD_FINDNEXTTLV 0x002c -#define CMD_PSPNODES 0x0030 -#define CMD_SETCW 0x0031 -#define CMD_SETPCF 0x0032 -#define CMD_SETPHYREG 0x003e -#define CMD_TXTEST 0x003f -#define MAC_ENABLETX 0x0101 -#define CMD_LISTBSS 0x0103 -#define CMD_SAVECFG 0x0108 -#define CMD_ENABLEAUX 0x0111 -#define CMD_WRITERID 0x0121 -#define CMD_USEPSPNODES 0x0130 -#define MAC_ENABLERX 0x0201 - -/* Command errors */ -#define ERROR_QUALIF 0x00 -#define ERROR_ILLCMD 0x01 -#define ERROR_ILLFMT 0x02 -#define ERROR_INVFID 0x03 -#define ERROR_INVRID 0x04 -#define ERROR_LARGE 0x05 -#define ERROR_NDISABL 0x06 -#define ERROR_ALLOCBSY 0x07 -#define ERROR_NORD 0x0B -#define ERROR_NOWR 0x0C -#define ERROR_INVFIDTX 0x0D -#define ERROR_TESTACT 0x0E -#define ERROR_TAGNFND 0x12 -#define ERROR_DECODE 0x20 -#define ERROR_DESCUNAV 0x21 -#define ERROR_BADLEN 0x22 -#define ERROR_MODE 0x80 -#define ERROR_HOP 0x81 -#define ERROR_BINTER 0x82 -#define ERROR_RXMODE 0x83 -#define ERROR_MACADDR 0x84 -#define ERROR_RATES 0x85 -#define ERROR_ORDER 0x86 -#define ERROR_SCAN 0x87 -#define ERROR_AUTH 0x88 -#define ERROR_PSMODE 0x89 -#define ERROR_RTYPE 0x8A -#define ERROR_DIVER 0x8B -#define ERROR_SSID 0x8C -#define ERROR_APLIST 0x8D -#define ERROR_AUTOWAKE 0x8E -#define ERROR_LEAP 0x8F - -/* Registers */ -#define COMMAND 0x00 -#define PARAM0 0x02 -#define PARAM1 0x04 -#define PARAM2 0x06 -#define STATUS 0x08 -#define RESP0 0x0a -#define RESP1 0x0c -#define RESP2 0x0e -#define LINKSTAT 0x10 -#define SELECT0 0x18 -#define OFFSET0 0x1c -#define RXFID 0x20 -#define TXALLOCFID 0x22 -#define TXCOMPLFID 0x24 -#define DATA0 0x36 -#define EVSTAT 0x30 -#define EVINTEN 0x32 -#define EVACK 0x34 -#define SWS0 0x28 -#define SWS1 0x2a -#define SWS2 0x2c -#define SWS3 0x2e -#define AUXPAGE 0x3A -#define AUXOFF 0x3C -#define AUXDATA 0x3E - -#define FID_TX 1 -#define FID_RX 2 -/* Offset into aux memory for descriptors */ -#define AUX_OFFSET 0x800 -/* Size of allocated packets */ -#define PKTSIZE 1840 -#define RIDSIZE 2048 -/* Size of the transmit queue */ -#define MAXTXQ 64 - -/* BAP selectors */ -#define BAP0 0 /* Used for receiving packets */ -#define BAP1 2 /* Used for xmiting packets and working with RIDS */ - -/* Flags */ -#define COMMAND_BUSY 0x8000 - -#define BAP_BUSY 0x8000 -#define BAP_ERR 0x4000 -#define BAP_DONE 0x2000 - -#define PROMISC 0xffff -#define NOPROMISC 0x0000 - -#define EV_CMD 0x10 -#define EV_CLEARCOMMANDBUSY 0x4000 -#define EV_RX 0x01 -#define EV_TX 0x02 -#define EV_TXEXC 0x04 -#define EV_ALLOC 0x08 -#define EV_LINK 0x80 -#define EV_AWAKE 0x100 -#define EV_TXCPY 0x400 -#define EV_UNKNOWN 0x800 -#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */ -#define EV_AWAKEN 0x2000 -#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC) - -#ifdef CHECK_UNKNOWN_INTS -#define IGNORE_INTS (EV_CMD | EV_UNKNOWN) -#else -#define IGNORE_INTS (~STATUS_INTS) -#endif - -/* RID TYPES */ -#define RID_RW 0x20 - -/* The RIDs */ -#define RID_CAPABILITIES 0xFF00 -#define RID_APINFO 0xFF01 -#define RID_RADIOINFO 0xFF02 -#define RID_UNKNOWN3 0xFF03 -#define RID_RSSI 0xFF04 -#define RID_CONFIG 0xFF10 -#define RID_SSID 0xFF11 -#define RID_APLIST 0xFF12 -#define RID_DRVNAME 0xFF13 -#define RID_ETHERENCAP 0xFF14 -#define RID_WEP_TEMP 0xFF15 -#define RID_WEP_PERM 0xFF16 -#define RID_MODULATION 0xFF17 -#define RID_OPTIONS 0xFF18 -#define RID_ACTUALCONFIG 0xFF20 /*readonly*/ -#define RID_FACTORYCONFIG 0xFF21 -#define RID_UNKNOWN22 0xFF22 -#define RID_LEAPUSERNAME 0xFF23 -#define RID_LEAPPASSWORD 0xFF24 -#define RID_STATUS 0xFF50 -#define RID_BEACON_HST 0xFF51 -#define RID_BUSY_HST 0xFF52 -#define RID_RETRIES_HST 0xFF53 -#define RID_UNKNOWN54 0xFF54 -#define RID_UNKNOWN55 0xFF55 -#define RID_UNKNOWN56 0xFF56 -#define RID_MIC 0xFF57 -#define RID_STATS16 0xFF60 -#define RID_STATS16DELTA 0xFF61 -#define RID_STATS16DELTACLEAR 0xFF62 -#define RID_STATS 0xFF68 -#define RID_STATSDELTA 0xFF69 -#define RID_STATSDELTACLEAR 0xFF6A -#define RID_ECHOTEST_RID 0xFF70 -#define RID_ECHOTEST_RESULTS 0xFF71 -#define RID_BSSLISTFIRST 0xFF72 -#define RID_BSSLISTNEXT 0xFF73 -#define RID_WPA_BSSLISTFIRST 0xFF74 -#define RID_WPA_BSSLISTNEXT 0xFF75 - -typedef struct { - u16 cmd; - u16 parm0; - u16 parm1; - u16 parm2; -} Cmd; - -typedef struct { - u16 status; - u16 rsp0; - u16 rsp1; - u16 rsp2; -} Resp; - -/* - * Rids and endian-ness: The Rids will always be in cpu endian, since - * this all the patches from the big-endian guys end up doing that. - * so all rid access should use the read/writeXXXRid routines. - */ - -/* This structure came from an email sent to me from an engineer at - aironet for inclusion into this driver */ -typedef struct WepKeyRid WepKeyRid; -struct WepKeyRid { - __le16 len; - __le16 kindex; - u8 mac[ETH_ALEN]; - __le16 klen; - u8 key[16]; -} __packed; - -/* These structures are from the Aironet's PC4500 Developers Manual */ -typedef struct Ssid Ssid; -struct Ssid { - __le16 len; - u8 ssid[32]; -} __packed; - -typedef struct SsidRid SsidRid; -struct SsidRid { - __le16 len; - Ssid ssids[3]; -} __packed; - -typedef struct ModulationRid ModulationRid; -struct ModulationRid { - __le16 len; - __le16 modulation; -#define MOD_DEFAULT cpu_to_le16(0) -#define MOD_CCK cpu_to_le16(1) -#define MOD_MOK cpu_to_le16(2) -} __packed; - -typedef struct ConfigRid ConfigRid; -struct ConfigRid { - __le16 len; /* sizeof(ConfigRid) */ - __le16 opmode; /* operating mode */ -#define MODE_STA_IBSS cpu_to_le16(0) -#define MODE_STA_ESS cpu_to_le16(1) -#define MODE_AP cpu_to_le16(2) -#define MODE_AP_RPTR cpu_to_le16(3) -#define MODE_CFG_MASK cpu_to_le16(0xff) -#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */ -#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */ -#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extensions */ -#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */ -#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */ -#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */ -#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */ -#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */ -#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */ - __le16 rmode; /* receive mode */ -#define RXMODE_BC_MC_ADDR cpu_to_le16(0) -#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */ -#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */ -#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */ -#define RXMODE_RFMON_ANYBSS cpu_to_le16(4) -#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */ -#define RXMODE_MASK cpu_to_le16(255) -#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */ -#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER) -#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */ - __le16 fragThresh; - __le16 rtsThres; - u8 macAddr[ETH_ALEN]; - u8 rates[8]; - __le16 shortRetryLimit; - __le16 longRetryLimit; - __le16 txLifetime; /* in kusec */ - __le16 rxLifetime; /* in kusec */ - __le16 stationary; - __le16 ordering; - __le16 u16deviceType; /* for overriding device type */ - __le16 cfpRate; - __le16 cfpDuration; - __le16 _reserved1[3]; - /*---------- Scanning/Associating ----------*/ - __le16 scanMode; -#define SCANMODE_ACTIVE cpu_to_le16(0) -#define SCANMODE_PASSIVE cpu_to_le16(1) -#define SCANMODE_AIROSCAN cpu_to_le16(2) - __le16 probeDelay; /* in kusec */ - __le16 probeEnergyTimeout; /* in kusec */ - __le16 probeResponseTimeout; - __le16 beaconListenTimeout; - __le16 joinNetTimeout; - __le16 authTimeout; - __le16 authType; -#define AUTH_OPEN cpu_to_le16(0x1) -#define AUTH_ENCRYPT cpu_to_le16(0x101) -#define AUTH_SHAREDKEY cpu_to_le16(0x102) -#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200) - __le16 associationTimeout; - __le16 specifiedApTimeout; - __le16 offlineScanInterval; - __le16 offlineScanDuration; - __le16 linkLossDelay; - __le16 maxBeaconLostTime; - __le16 refreshInterval; -#define DISABLE_REFRESH cpu_to_le16(0xFFFF) - __le16 _reserved1a[1]; - /*---------- Power save operation ----------*/ - __le16 powerSaveMode; -#define POWERSAVE_CAM cpu_to_le16(0) -#define POWERSAVE_PSP cpu_to_le16(1) -#define POWERSAVE_PSPCAM cpu_to_le16(2) - __le16 sleepForDtims; - __le16 listenInterval; - __le16 fastListenInterval; - __le16 listenDecay; - __le16 fastListenDelay; - __le16 _reserved2[2]; - /*---------- Ap/Ibss config items ----------*/ - __le16 beaconPeriod; - __le16 atimDuration; - __le16 hopPeriod; - __le16 channelSet; - __le16 channel; - __le16 dtimPeriod; - __le16 bridgeDistance; - __le16 radioID; - /*---------- Radio configuration ----------*/ - __le16 radioType; -#define RADIOTYPE_DEFAULT cpu_to_le16(0) -#define RADIOTYPE_802_11 cpu_to_le16(1) -#define RADIOTYPE_LEGACY cpu_to_le16(2) - u8 rxDiversity; - u8 txDiversity; - __le16 txPower; -#define TXPOWER_DEFAULT 0 - __le16 rssiThreshold; -#define RSSI_DEFAULT 0 - __le16 modulation; -#define PREAMBLE_AUTO cpu_to_le16(0) -#define PREAMBLE_LONG cpu_to_le16(1) -#define PREAMBLE_SHORT cpu_to_le16(2) - __le16 preamble; - __le16 homeProduct; - __le16 radioSpecific; - /*---------- Aironet Extensions ----------*/ - u8 nodeName[16]; - __le16 arlThreshold; - __le16 arlDecay; - __le16 arlDelay; - __le16 _reserved4[1]; - /*---------- Aironet Extensions ----------*/ - u8 magicAction; -#define MAGIC_ACTION_STSCHG 1 -#define MAGIC_ACTION_RESUME 2 -#define MAGIC_IGNORE_MCAST (1<<8) -#define MAGIC_IGNORE_BCAST (1<<9) -#define MAGIC_SWITCH_TO_PSP (0<<10) -#define MAGIC_STAY_IN_CAM (1<<10) - u8 magicControl; - __le16 autoWake; -} __packed; - -typedef struct StatusRid StatusRid; -struct StatusRid { - __le16 len; - u8 mac[ETH_ALEN]; - __le16 mode; - __le16 errorCode; - __le16 sigQuality; - __le16 SSIDlen; - char SSID[32]; - char apName[16]; - u8 bssid[4][ETH_ALEN]; - __le16 beaconPeriod; - __le16 dimPeriod; - __le16 atimDuration; - __le16 hopPeriod; - __le16 channelSet; - __le16 channel; - __le16 hopsToBackbone; - __le16 apTotalLoad; - __le16 generatedLoad; - __le16 accumulatedArl; - __le16 signalQuality; - __le16 currentXmitRate; - __le16 apDevExtensions; - __le16 normalizedSignalStrength; - __le16 shortPreamble; - u8 apIP[4]; - u8 noisePercent; /* Noise percent in last second */ - u8 noisedBm; /* Noise dBm in last second */ - u8 noiseAvePercent; /* Noise percent in last minute */ - u8 noiseAvedBm; /* Noise dBm in last minute */ - u8 noiseMaxPercent; /* Highest noise percent in last minute */ - u8 noiseMaxdBm; /* Highest noise dbm in last minute */ - __le16 load; - u8 carrier[4]; - __le16 assocStatus; -#define STAT_NOPACKETS 0 -#define STAT_NOCARRIERSET 10 -#define STAT_GOTCARRIERSET 11 -#define STAT_WRONGSSID 20 -#define STAT_BADCHANNEL 25 -#define STAT_BADBITRATES 30 -#define STAT_BADPRIVACY 35 -#define STAT_APFOUND 40 -#define STAT_APREJECTED 50 -#define STAT_AUTHENTICATING 60 -#define STAT_DEAUTHENTICATED 61 -#define STAT_AUTHTIMEOUT 62 -#define STAT_ASSOCIATING 70 -#define STAT_DEASSOCIATED 71 -#define STAT_ASSOCTIMEOUT 72 -#define STAT_NOTAIROAP 73 -#define STAT_ASSOCIATED 80 -#define STAT_LEAPING 90 -#define STAT_LEAPFAILED 91 -#define STAT_LEAPTIMEDOUT 92 -#define STAT_LEAPCOMPLETE 93 -} __packed; - -typedef struct StatsRid StatsRid; -struct StatsRid { - __le16 len; - __le16 spacer; - __le32 vals[100]; -} __packed; - -typedef struct APListRid APListRid; -struct APListRid { - __le16 len; - u8 ap[4][ETH_ALEN]; -} __packed; - -typedef struct CapabilityRid CapabilityRid; -struct CapabilityRid { - __le16 len; - char oui[3]; - char zero; - __le16 prodNum; - char manName[32]; - char prodName[16]; - char prodVer[8]; - char factoryAddr[ETH_ALEN]; - char aironetAddr[ETH_ALEN]; - __le16 radioType; - __le16 country; - char callid[ETH_ALEN]; - char supportedRates[8]; - char rxDiversity; - char txDiversity; - __le16 txPowerLevels[8]; - __le16 hardVer; - __le16 hardCap; - __le16 tempRange; - __le16 softVer; - __le16 softSubVer; - __le16 interfaceVer; - __le16 softCap; - __le16 bootBlockVer; - __le16 requiredHard; - __le16 extSoftCap; -} __packed; - -/* Only present on firmware >= 5.30.17 */ -typedef struct BSSListRidExtra BSSListRidExtra; -struct BSSListRidExtra { - __le16 unknown[4]; - u8 fixed[12]; /* WLAN management frame */ - u8 iep[624]; -} __packed; - -typedef struct BSSListRid BSSListRid; -struct BSSListRid { - __le16 len; - __le16 index; /* First is 0 and 0xffff means end of list */ -#define RADIO_FH 1 /* Frequency hopping radio type */ -#define RADIO_DS 2 /* Direct sequence radio type */ -#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */ - __le16 radioType; - u8 bssid[ETH_ALEN]; /* Mac address of the BSS */ - u8 zero; - u8 ssidLen; - u8 ssid[32]; - __le16 dBm; -#define CAP_ESS cpu_to_le16(1<<0) -#define CAP_IBSS cpu_to_le16(1<<1) -#define CAP_PRIVACY cpu_to_le16(1<<4) -#define CAP_SHORTHDR cpu_to_le16(1<<5) - __le16 cap; - __le16 beaconInterval; - u8 rates[8]; /* Same as rates for config rid */ - struct { /* For frequency hopping only */ - __le16 dwell; - u8 hopSet; - u8 hopPattern; - u8 hopIndex; - u8 fill; - } fh; - __le16 dsChannel; - __le16 atimWindow; - - /* Only present on firmware >= 5.30.17 */ - BSSListRidExtra extra; -} __packed; - -typedef struct { - BSSListRid bss; - struct list_head list; -} BSSListElement; - -typedef struct tdsRssiEntry tdsRssiEntry; -struct tdsRssiEntry { - u8 rssipct; - u8 rssidBm; -} __packed; - -typedef struct tdsRssiRid tdsRssiRid; -struct tdsRssiRid { - u16 len; - tdsRssiEntry x[256]; -} __packed; - -typedef struct MICRid MICRid; -struct MICRid { - __le16 len; - __le16 state; - __le16 multicastValid; - u8 multicast[16]; - __le16 unicastValid; - u8 unicast[16]; -} __packed; - -typedef struct MICBuffer MICBuffer; -struct MICBuffer { - __be16 typelen; - - union { - u8 snap[8]; - struct { - u8 dsap; - u8 ssap; - u8 control; - u8 orgcode[3]; - u8 fieldtype[2]; - } llc; - } u; - __be32 mic; - __be32 seq; -} __packed; - -typedef struct { - u8 da[ETH_ALEN]; - u8 sa[ETH_ALEN]; -} etherHead; - -#define TXCTL_TXOK (1<<1) /* report if tx is ok */ -#define TXCTL_TXEX (1<<2) /* report if tx fails */ -#define TXCTL_802_3 (0<<3) /* 802.3 packet */ -#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */ -#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */ -#define TXCTL_LLC (1<<4) /* payload is llc */ -#define TXCTL_RELEASE (0<<5) /* release after completion */ -#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */ - -#define BUSY_FID 0x10000 - -#ifdef CISCO_EXT -#define AIROMAGIC 0xa55a -/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */ -#ifdef SIOCIWFIRSTPRIV -#ifdef SIOCDEVPRIVATE -#define AIROOLDIOCTL SIOCDEVPRIVATE -#define AIROOLDIDIFC AIROOLDIOCTL + 1 -#endif /* SIOCDEVPRIVATE */ -#else /* SIOCIWFIRSTPRIV */ -#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE -#endif /* SIOCIWFIRSTPRIV */ -/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably - * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root - * only and don't return the modified struct ifreq to the application which - * is usually a problem. - Jean II */ -#define AIROIOCTL SIOCIWFIRSTPRIV -#define AIROIDIFC AIROIOCTL + 1 - -/* Ioctl constants to be used in airo_ioctl.command */ - -#define AIROGCAP 0 // Capability rid -#define AIROGCFG 1 // USED A LOT -#define AIROGSLIST 2 // System ID list -#define AIROGVLIST 3 // List of specified AP's -#define AIROGDRVNAM 4 // NOTUSED -#define AIROGEHTENC 5 // NOTUSED -#define AIROGWEPKTMP 6 -#define AIROGWEPKNV 7 -#define AIROGSTAT 8 -#define AIROGSTATSC32 9 -#define AIROGSTATSD32 10 -#define AIROGMICRID 11 -#define AIROGMICSTATS 12 -#define AIROGFLAGS 13 -#define AIROGID 14 -#define AIRORRID 15 -#define AIRORSWVERSION 17 - -/* Leave gap of 40 commands after AIROGSTATSD32 for future */ - -#define AIROPCAP AIROGSTATSD32 + 40 -#define AIROPVLIST AIROPCAP + 1 -#define AIROPSLIST AIROPVLIST + 1 -#define AIROPCFG AIROPSLIST + 1 -#define AIROPSIDS AIROPCFG + 1 -#define AIROPAPLIST AIROPSIDS + 1 -#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */ -#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */ -#define AIROPSTCLR AIROPMACOFF + 1 -#define AIROPWEPKEY AIROPSTCLR + 1 -#define AIROPWEPKEYNV AIROPWEPKEY + 1 -#define AIROPLEAPPWD AIROPWEPKEYNV + 1 -#define AIROPLEAPUSR AIROPLEAPPWD + 1 - -/* Flash codes */ - -#define AIROFLSHRST AIROPWEPKEYNV + 40 -#define AIROFLSHGCHR AIROFLSHRST + 1 -#define AIROFLSHSTFL AIROFLSHGCHR + 1 -#define AIROFLSHPCHR AIROFLSHSTFL + 1 -#define AIROFLPUTBUF AIROFLSHPCHR + 1 -#define AIRORESTART AIROFLPUTBUF + 1 - -#define FLASHSIZE 32768 -#define AUXMEMSIZE (256 * 1024) - -typedef struct aironet_ioctl { - unsigned short command; // What to do - unsigned short len; // Len of data - unsigned short ridnum; // rid number - unsigned char __user *data; // d-data -} aironet_ioctl; - -static const char swversion[] = "2.1"; -#endif /* CISCO_EXT */ - -#define NUM_MODULES 2 -#define MIC_MSGLEN_MAX 2400 -#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX -#define AIRO_DEF_MTU 2312 - -typedef struct { - u32 size; // size - u8 enabled; // MIC enabled or not - u32 rxSuccess; // successful packets received - u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison - u32 rxNotMICed; // pkts dropped due to not being MIC'd - u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed - u32 rxWrongSequence; // pkts dropped due to sequence number violation - u32 reserve[32]; -} mic_statistics; - -typedef struct { - __be32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2]; - u64 accum; // accumulated mic, reduced to u32 in final() - int position; // current position (byte offset) in message - union { - u8 d8[4]; - __be32 d32; - } part; // saves partial message word across update() calls -} emmh32_context; - -typedef struct { - emmh32_context seed; // Context - the seed - u32 rx; // Received sequence number - u32 tx; // Tx sequence number - u32 window; // Start of window - u8 valid; // Flag to say if context is valid or not - u8 key[16]; -} miccntx; - -typedef struct { - miccntx mCtx; // Multicast context - miccntx uCtx; // Unicast context -} mic_module; - -typedef struct { - unsigned int rid: 16; - unsigned int len: 15; - unsigned int valid: 1; - dma_addr_t host_addr; -} Rid; - -typedef struct { - unsigned int offset: 15; - unsigned int eoc: 1; - unsigned int len: 15; - unsigned int valid: 1; - dma_addr_t host_addr; -} TxFid; - -struct rx_hdr { - __le16 status, len; - u8 rssi[2]; - u8 rate; - u8 freq; - __le16 tmp[4]; -} __packed; - -typedef struct { - unsigned int ctl: 15; - unsigned int rdy: 1; - unsigned int len: 15; - unsigned int valid: 1; - dma_addr_t host_addr; -} RxFid; - -/* - * Host receive descriptor - */ -typedef struct { - unsigned char __iomem *card_ram_off; /* offset into card memory of the - desc */ - RxFid rx_desc; /* card receive descriptor */ - char *virtual_host_addr; /* virtual address of host receive - buffer */ - int pending; -} HostRxDesc; - -/* - * Host transmit descriptor - */ -typedef struct { - unsigned char __iomem *card_ram_off; /* offset into card memory of the - desc */ - TxFid tx_desc; /* card transmit descriptor */ - char *virtual_host_addr; /* virtual address of host receive - buffer */ - int pending; -} HostTxDesc; - -/* - * Host RID descriptor - */ -typedef struct { - unsigned char __iomem *card_ram_off; /* offset into card memory of the - descriptor */ - Rid rid_desc; /* card RID descriptor */ - char *virtual_host_addr; /* virtual address of host receive - buffer */ -} HostRidDesc; - -typedef struct { - u16 sw0; - u16 sw1; - u16 status; - u16 len; -#define HOST_SET (1 << 0) -#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */ -#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */ -#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */ -#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */ -#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */ -#define HOST_CLR_AID (1 << 7) /* clear AID failure */ -#define HOST_RTS (1 << 9) /* Force RTS use */ -#define HOST_SHORT (1 << 10) /* Do short preamble */ - u16 ctl; - u16 aid; - u16 retries; - u16 fill; -} TxCtlHdr; - -typedef struct { - u16 ctl; - u16 duration; - char addr1[6]; - char addr2[6]; - char addr3[6]; - u16 seq; - char addr4[6]; -} WifiHdr; - - -typedef struct { - TxCtlHdr ctlhdr; - u16 fill1; - u16 fill2; - WifiHdr wifihdr; - u16 gaplen; - u16 status; -} WifiCtlHdr; - -static WifiCtlHdr wifictlhdr8023 = { - .ctlhdr = { - .ctl = HOST_DONT_RLSE, - } -}; - -// A few details needed for WEP (Wireless Equivalent Privacy) -#define MAX_KEY_SIZE 13 // 128 (?) bits -#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP -typedef struct wep_key_t { - u16 len; - u8 key[16]; /* 40-bit and 104-bit keys */ -} wep_key_t; - -/* List of Wireless Handlers (new API) */ -static const struct iw_handler_def airo_handler_def; - -static const char version[] = "airo.c 0.6 (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 reg, u16 value); -static unsigned short IN4500(struct airo_info *, u16 reg); -static u16 setup_card(struct airo_info*, struct net_device *dev, int lock); -static int enable_MAC(struct airo_info *ai, int lock); -static void disable_MAC(struct airo_info *ai, int lock); -static void enable_interrupts(struct airo_info*); -static void disable_interrupts(struct airo_info*); -static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp, - bool may_sleep); -static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap); -static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, - int whichbap); -static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, - int whichbap); -static int bap_write(struct airo_info*, const __le16 *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, int lock); -static int PC4500_writerid(struct airo_info*, u16 rid, const void - *pBuf, int len, int lock); -static int do_writerid(struct airo_info*, u16 rid, const void *rid_data, - int len, int dummy); -static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw); -static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket, - bool may_sleep); -static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket, - bool may_sleep); - -static int mpi_send_packet(struct net_device *dev); -static void mpi_unmap_card(struct pci_dev *pci); -static void mpi_receive_802_3(struct airo_info *ai); -static void mpi_receive_802_11(struct airo_info *ai); -static int waitbusy(struct airo_info *ai); - -static irqreturn_t airo_interrupt(int irq, void* dev_id); -static int airo_thread(void *data); -static void timer_func(struct net_device *dev); -static int airo_siocdevprivate(struct net_device *dev, struct ifreq *rq, void __user *, int cmd); -static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev); -#ifdef CISCO_EXT -static int readrids(struct net_device *dev, aironet_ioctl *comp); -static int writerids(struct net_device *dev, aironet_ioctl *comp); -static int flashcard(struct net_device *dev, aironet_ioctl *comp); -#endif /* CISCO_EXT */ -static void micinit(struct airo_info *ai); -static int micsetup(struct airo_info *ai); -static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len); -static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen); - -static u8 airo_rssi_to_dbm(tdsRssiEntry *rssi_rid, u8 rssi); -static u8 airo_dbm_to_pct(tdsRssiEntry *rssi_rid, u8 dbm); - -static void airo_networks_free(struct airo_info *ai); - -struct airo_info { - struct net_device *dev; - struct list_head dev_list; - /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we - use the high bit to mark whether it is in use. */ -#define MAX_FIDS 6 -#define MPI_MAX_FIDS 1 - u32 fids[MAX_FIDS]; - ConfigRid config; - char keyindex; // Used with auto wep - char defindex; // Used with auto wep - struct proc_dir_entry *proc_entry; - spinlock_t aux_lock; -#define FLAG_RADIO_OFF 0 /* User disabling of MAC */ -#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */ -#define FLAG_RADIO_MASK 0x03 -#define FLAG_ENABLED 2 -#define FLAG_ADHOC 3 /* Needed by MIC */ -#define FLAG_MIC_CAPABLE 4 -#define FLAG_UPDATE_MULTI 5 -#define FLAG_UPDATE_UNI 6 -#define FLAG_802_11 7 -#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ -#define FLAG_PENDING_XMIT 9 -#define FLAG_PENDING_XMIT11 10 -#define FLAG_MPI 11 -#define FLAG_REGISTERED 12 -#define FLAG_COMMIT 13 -#define FLAG_RESET 14 -#define FLAG_FLASHING 15 -#define FLAG_WPA_CAPABLE 16 - unsigned long flags; -#define JOB_DIE 0 -#define JOB_XMIT 1 -#define JOB_XMIT11 2 -#define JOB_STATS 3 -#define JOB_PROMISC 4 -#define JOB_MIC 5 -#define JOB_EVENT 6 -#define JOB_AUTOWEP 7 -#define JOB_SCAN_RESULTS 9 - unsigned long jobs; - int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen, - int whichbap); - unsigned short *flash; - tdsRssiEntry *rssi; - struct task_struct *list_bss_task; - struct task_struct *airo_thread_task; - struct semaphore sem; - wait_queue_head_t thr_wait; - unsigned long expires; - struct { - struct sk_buff *skb; - int fid; - } xmit, xmit11; - struct net_device *wifidev; - struct iw_statistics wstats; // wireless stats - unsigned long scan_timeout; /* Time scan should be read */ - struct iw_spy_data spy_data; - struct iw_public_data wireless_data; - /* MIC stuff */ - struct crypto_sync_skcipher *tfm; - mic_module mod[2]; - mic_statistics micstats; - HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors - HostTxDesc txfids[MPI_MAX_FIDS]; - HostRidDesc config_desc; - unsigned long ridbus; // phys addr of config_desc - struct sk_buff_head txq;// tx queue used by mpi350 code - struct pci_dev *pci; - unsigned char __iomem *pcimem; - unsigned char __iomem *pciaux; - unsigned char *shared; - dma_addr_t shared_dma; - pm_message_t power; - SsidRid *SSID; - APListRid APList; -#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE - char proc_name[IFNAMSIZ]; - - int wep_capable; - int max_wep_idx; - int last_auth; - - /* WPA-related stuff */ - unsigned int bssListFirst; - unsigned int bssListNext; - unsigned int bssListRidLen; - - struct list_head network_list; - struct list_head network_free_list; - BSSListElement *networks; -}; - -static inline int bap_read(struct airo_info *ai, __le16 *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 cmdreset(struct airo_info *ai); -static int setflashmode(struct airo_info *ai); -static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime); -static int flashputbuf(struct airo_info *ai); -static int flashrestart(struct airo_info *ai, struct net_device *dev); - -#define airo_print(type, name, fmt, args...) \ - printk(type DRV_NAME "(%s): " fmt "\n", name, ##args) - -#define airo_print_info(name, fmt, args...) \ - airo_print(KERN_INFO, name, fmt, ##args) - -#define airo_print_dbg(name, fmt, args...) \ - airo_print(KERN_DEBUG, name, fmt, ##args) - -#define airo_print_warn(name, fmt, args...) \ - airo_print(KERN_WARNING, name, fmt, ##args) - -#define airo_print_err(name, fmt, args...) \ - airo_print(KERN_ERR, name, fmt, ##args) - -#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash) - -/*********************************************************************** - * MIC ROUTINES * - *********************************************************************** - */ - -static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq); -static void MoveWindow(miccntx *context, u32 micSeq); -static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, - struct crypto_sync_skcipher *tfm); -static void emmh32_init(emmh32_context *context); -static void emmh32_update(emmh32_context *context, u8 *pOctets, int len); -static void emmh32_final(emmh32_context *context, u8 digest[4]); -static int flashpchar(struct airo_info *ai, int byte, int dwelltime); - -static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len, - struct crypto_sync_skcipher *tfm) -{ - /* If the current MIC context is valid and its key is the same as - * the MIC register, there's nothing to do. - */ - if (cur->valid && (memcmp(cur->key, key, key_len) == 0)) - return; - - /* Age current mic Context */ - memcpy(old, cur, sizeof(*cur)); - - /* Initialize new context */ - memcpy(cur->key, key, key_len); - cur->window = 33; /* Window always points to the middle */ - cur->rx = 0; /* Rx Sequence numbers */ - cur->tx = 0; /* Tx sequence numbers */ - cur->valid = 1; /* Key is now valid */ - - /* Give key to mic seed */ - emmh32_setseed(&cur->seed, key, key_len, tfm); -} - -/* micinit - Initialize mic seed */ - -static void micinit(struct airo_info *ai) -{ - MICRid mic_rid; - - clear_bit(JOB_MIC, &ai->jobs); - PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0); - up(&ai->sem); - - ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0; - if (!ai->micstats.enabled) { - /* So next time we have a valid key and mic is enabled, we will - * update the sequence number if the key is the same as before. - */ - ai->mod[0].uCtx.valid = 0; - ai->mod[0].mCtx.valid = 0; - return; - } - - if (mic_rid.multicastValid) { - age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx, - mic_rid.multicast, sizeof(mic_rid.multicast), - ai->tfm); - } - - if (mic_rid.unicastValid) { - age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx, - mic_rid.unicast, sizeof(mic_rid.unicast), - ai->tfm); - } -} - -/* micsetup - Get ready for business */ - -static int micsetup(struct airo_info *ai) -{ - int i; - - if (ai->tfm == NULL) - ai->tfm = crypto_alloc_sync_skcipher("ctr(aes)", 0, 0); - - if (IS_ERR(ai->tfm)) { - airo_print_err(ai->dev->name, "failed to load transform for AES"); - ai->tfm = NULL; - return ERROR; - } - - for (i = 0; i < NUM_MODULES; i++) { - memset(&ai->mod[i].mCtx, 0, sizeof(miccntx)); - memset(&ai->mod[i].uCtx, 0, sizeof(miccntx)); - } - return SUCCESS; -} - -static const u8 micsnap[] = {0xAA, 0xAA, 0x03, 0x00, 0x40, 0x96, 0x00, 0x02}; - -/*=========================================================================== - * Description: Mic a packet - * - * Inputs: etherHead * pointer to an 802.3 frame - * - * Returns: BOOLEAN if successful, otherwise false. - * PacketTxLen will be updated with the mic'd packets size. - * - * Caveats: It is assumed that the frame buffer will already - * be big enough to hold the largets mic message possible. - * (No memory allocation is done here). - * - * Author: sbraneky (10/15/01) - * Merciless hacks by rwilcher (1/14/02) - */ - -static int encapsulate(struct airo_info *ai, etherHead *frame, MICBuffer *mic, int payLen) -{ - miccntx *context; - - // Determine correct context - // If not adhoc, always use unicast key - - if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1)) - context = &ai->mod[0].mCtx; - else - context = &ai->mod[0].uCtx; - - if (!context->valid) - return ERROR; - - mic->typelen = htons(payLen + 16); //Length of Mic'd packet - - memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap - - // Add Tx sequence - mic->seq = htonl(context->tx); - context->tx += 2; - - emmh32_init(&context->seed); // Mic the packet - emmh32_update(&context->seed, frame->da, ETH_ALEN * 2); // DA, SA - emmh32_update(&context->seed, (u8*)&mic->typelen, 10); // Type/Length and Snap - emmh32_update(&context->seed, (u8*)&mic->seq, sizeof(mic->seq)); //SEQ - emmh32_update(&context->seed, (u8*)(frame + 1), payLen); //payload - emmh32_final(&context->seed, (u8*)&mic->mic); - - /* New Type/length ?????????? */ - mic->typelen = 0; //Let NIC know it could be an oversized packet - return SUCCESS; -} - -typedef enum { - NONE, - NOMIC, - NOMICPLUMMED, - SEQUENCE, - INCORRECTMIC, -} mic_error; - -/*=========================================================================== - * Description: Decapsulates a MIC'd packet and returns the 802.3 packet - * (removes the MIC stuff) if packet is a valid packet. - * - * Inputs: etherHead pointer to the 802.3 packet - * - * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE - * - * Author: sbraneky (10/15/01) - * Merciless hacks by rwilcher (1/14/02) - *--------------------------------------------------------------------------- - */ - -static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen) -{ - int i; - u32 micSEQ; - miccntx *context; - u8 digest[4]; - mic_error micError = NONE; - - // Check if the packet is a Mic'd packet - - if (!ai->micstats.enabled) { - //No Mic set or Mic OFF but we received a MIC'd packet. - if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) { - ai->micstats.rxMICPlummed++; - return ERROR; - } - return SUCCESS; - } - - if (ntohs(mic->typelen) == 0x888E) - return SUCCESS; - - if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) { - // Mic enabled but packet isn't Mic'd - ai->micstats.rxMICPlummed++; - return ERROR; - } - - micSEQ = ntohl(mic->seq); //store SEQ as CPU order - - //At this point we a have a mic'd packet and mic is enabled - //Now do the mic error checking. - - //Receive seq must be odd - if ((micSEQ & 1) == 0) { - ai->micstats.rxWrongSequence++; - return ERROR; - } - - for (i = 0; i < NUM_MODULES; i++) { - int mcast = eth->da[0] & 1; - //Determine proper context - context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx; - - //Make sure context is valid - if (!context->valid) { - if (i == 0) - micError = NOMICPLUMMED; - continue; - } - //DeMic it - - if (!mic->typelen) - mic->typelen = htons(payLen + sizeof(MICBuffer) - 2); - - emmh32_init(&context->seed); - emmh32_update(&context->seed, eth->da, ETH_ALEN*2); - emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap)); - emmh32_update(&context->seed, (u8 *)&mic->seq, sizeof(mic->seq)); - emmh32_update(&context->seed, (u8 *)(eth + 1), payLen); - //Calculate MIC - emmh32_final(&context->seed, digest); - - if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match - //Invalid Mic - if (i == 0) - micError = INCORRECTMIC; - continue; - } - - //Check Sequence number if mics pass - if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) { - ai->micstats.rxSuccess++; - return SUCCESS; - } - if (i == 0) - micError = SEQUENCE; - } - - // Update statistics - switch (micError) { - case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break; - case SEQUENCE: ai->micstats.rxWrongSequence++; break; - case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break; - case NONE: break; - case NOMIC: break; - } - return ERROR; -} - -/*=========================================================================== - * Description: Checks the Rx Seq number to make sure it is valid - * and hasn't already been received - * - * Inputs: miccntx - mic context to check seq against - * micSeq - the Mic seq number - * - * Returns: TRUE if valid otherwise FALSE. - * - * Author: sbraneky (10/15/01) - * Merciless hacks by rwilcher (1/14/02) - *--------------------------------------------------------------------------- - */ - -static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq) -{ - u32 seq, index; - - //Allow for the ap being rebooted - if it is then use the next - //sequence number of the current sequence number - might go backwards - - if (mcast) { - if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) { - clear_bit (FLAG_UPDATE_MULTI, &ai->flags); - context->window = (micSeq > 33) ? micSeq : 33; - context->rx = 0; // Reset rx - } - } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) { - clear_bit (FLAG_UPDATE_UNI, &ai->flags); - context->window = (micSeq > 33) ? micSeq : 33; // Move window - context->rx = 0; // Reset rx - } - - //Make sequence number relative to START of window - seq = micSeq - (context->window - 33); - - //Too old of a SEQ number to check. - if ((s32)seq < 0) - return ERROR; - - if (seq > 64) { - //Window is infinite forward - MoveWindow(context, micSeq); - return SUCCESS; - } - - // We are in the window. Now check the context rx bit to see if it was already sent - seq >>= 1; //divide by 2 because we only have odd numbers - index = 1 << seq; //Get an index number - - if (!(context->rx & index)) { - //micSEQ falls inside the window. - //Add seqence number to the list of received numbers. - context->rx |= index; - - MoveWindow(context, micSeq); - - return SUCCESS; - } - return ERROR; -} - -static void MoveWindow(miccntx *context, u32 micSeq) -{ - u32 shift; - - //Move window if seq greater than the middle of the window - if (micSeq > context->window) { - shift = (micSeq - context->window) >> 1; - - //Shift out old - if (shift < 32) - context->rx >>= shift; - else - context->rx = 0; - - context->window = micSeq; //Move window - } -} - -/*==============================================*/ -/*========== EMMH ROUTINES ====================*/ -/*==============================================*/ - -/* mic accumulate */ -#define MIC_ACCUM(val) \ - context->accum += (u64)(val) * be32_to_cpu(context->coeff[coeff_position++]); - -/* expand the key to fill the MMH coefficient array */ -static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, - struct crypto_sync_skcipher *tfm) -{ - /* take the keying material, expand if necessary, truncate at 16-bytes */ - /* run through AES counter mode to generate context->coeff[] */ - - SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm); - struct scatterlist sg; - u8 iv[AES_BLOCK_SIZE] = {}; - int ret; - - crypto_sync_skcipher_setkey(tfm, pkey, 16); - - memset(context->coeff, 0, sizeof(context->coeff)); - sg_init_one(&sg, context->coeff, sizeof(context->coeff)); - - skcipher_request_set_sync_tfm(req, tfm); - skcipher_request_set_callback(req, 0, NULL, NULL); - skcipher_request_set_crypt(req, &sg, &sg, sizeof(context->coeff), iv); - - ret = crypto_skcipher_encrypt(req); - WARN_ON_ONCE(ret); -} - -/* prepare for calculation of a new mic */ -static void emmh32_init(emmh32_context *context) -{ - /* prepare for new mic calculation */ - context->accum = 0; - context->position = 0; -} - -/* add some bytes to the mic calculation */ -static void emmh32_update(emmh32_context *context, u8 *pOctets, int len) -{ - int coeff_position, byte_position; - - if (len == 0) return; - - coeff_position = context->position >> 2; - - /* deal with partial 32-bit word left over from last update */ - byte_position = context->position & 3; - if (byte_position) { - /* have a partial word in part to deal with */ - do { - if (len == 0) return; - context->part.d8[byte_position++] = *pOctets++; - context->position++; - len--; - } while (byte_position < 4); - MIC_ACCUM(ntohl(context->part.d32)); - } - - /* deal with full 32-bit words */ - while (len >= 4) { - MIC_ACCUM(ntohl(*(__be32 *)pOctets)); - context->position += 4; - pOctets += 4; - len -= 4; - } - - /* deal with partial 32-bit word that will be left over from this update */ - byte_position = 0; - while (len > 0) { - context->part.d8[byte_position++] = *pOctets++; - context->position++; - len--; - } -} - -/* mask used to zero empty bytes for final partial word */ -static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L }; - -/* calculate the mic */ -static void emmh32_final(emmh32_context *context, u8 digest[4]) -{ - int coeff_position, byte_position; - u32 val; - - u64 sum, utmp; - s64 stmp; - - coeff_position = context->position >> 2; - - /* deal with partial 32-bit word left over from last update */ - byte_position = context->position & 3; - if (byte_position) { - /* have a partial word in part to deal with */ - val = ntohl(context->part.d32); - MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */ - } - - /* reduce the accumulated u64 to a 32-bit MIC */ - sum = context->accum; - stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15); - utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15); - sum = utmp & 0xffffffffLL; - if (utmp > 0x10000000fLL) - sum -= 15; - - val = (u32)sum; - digest[0] = (val>>24) & 0xFF; - digest[1] = (val>>16) & 0xFF; - digest[2] = (val>>8) & 0xFF; - digest[3] = val & 0xFF; -} - -static int readBSSListRid(struct airo_info *ai, int first, - BSSListRid *list) -{ - Cmd cmd; - Resp rsp; - - if (first == 1) { - if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = CMD_LISTBSS; - if (down_interruptible(&ai->sem)) - return -ERESTARTSYS; - ai->list_bss_task = current; - issuecommand(ai, &cmd, &rsp, true); - up(&ai->sem); - /* Let the command take effect */ - schedule_timeout_uninterruptible(3 * HZ); - ai->list_bss_task = NULL; - } - return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext, - list, ai->bssListRidLen, 1); -} - -static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock) -{ - return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM, - wkr, sizeof(*wkr), lock); -} - -static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock) -{ - int rc; - rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock); - if (rc!=SUCCESS) - airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc); - if (perm) { - rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock); - if (rc!=SUCCESS) - airo_print_err(ai->dev->name, "WEP_PERM set %x", rc); - } - return rc; -} - -static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) -{ - return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1); -} - -static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) -{ - return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock); -} - -static int readConfigRid(struct airo_info *ai, int lock) -{ - int rc; - ConfigRid cfg; - - if (ai->config.len) - return SUCCESS; - - rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock); - if (rc != SUCCESS) - return rc; - - ai->config = cfg; - return SUCCESS; -} - -static inline void checkThrottle(struct airo_info *ai) -{ - int i; -/* Old hardware had a limit on encryption speed */ - if (ai->config.authType != AUTH_OPEN && maxencrypt) { - for (i = 0; i<8; i++) { - if (ai->config.rates[i] > maxencrypt) { - ai->config.rates[i] = 0; - } - } - } -} - -static int writeConfigRid(struct airo_info *ai, int lock) -{ - ConfigRid cfgr; - - if (!test_bit (FLAG_COMMIT, &ai->flags)) - return SUCCESS; - - clear_bit (FLAG_COMMIT, &ai->flags); - clear_bit (FLAG_RESET, &ai->flags); - checkThrottle(ai); - cfgr = ai->config; - - if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS) - set_bit(FLAG_ADHOC, &ai->flags); - else - clear_bit(FLAG_ADHOC, &ai->flags); - - return PC4500_writerid(ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock); -} - -static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock) -{ - return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock); -} - -static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock) -{ - return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock); -} - -static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock) -{ - return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock); -} - -static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) -{ - return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock); -} - -static void try_auto_wep(struct airo_info *ai) -{ - if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) { - ai->expires = RUN_AT(3*HZ); - wake_up_interruptible(&ai->thr_wait); - } -} - -static int airo_open(struct net_device *dev) -{ - struct airo_info *ai = dev->ml_priv; - int rc = 0; - - if (test_bit(FLAG_FLASHING, &ai->flags)) - return -EIO; - - /* Make sure the card is configured. - * Wireless Extensions may postpone config changes until the card - * is open (to pipeline changes and speed-up card setup). If - * those changes are not yet committed, do it now - Jean II */ - if (test_bit(FLAG_COMMIT, &ai->flags)) { - disable_MAC(ai, 1); - writeConfigRid(ai, 1); - } - - if (ai->wifidev != dev) { - clear_bit(JOB_DIE, &ai->jobs); - ai->airo_thread_task = kthread_run(airo_thread, dev, "%s", - dev->name); - if (IS_ERR(ai->airo_thread_task)) - return (int)PTR_ERR(ai->airo_thread_task); - - rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED, - dev->name, dev); - if (rc) { - airo_print_err(dev->name, - "register interrupt %d failed, rc %d", - dev->irq, rc); - set_bit(JOB_DIE, &ai->jobs); - kthread_stop(ai->airo_thread_task); - return rc; - } - - /* Power on the MAC controller (which may have been disabled) */ - clear_bit(FLAG_RADIO_DOWN, &ai->flags); - enable_interrupts(ai); - - try_auto_wep(ai); - } - enable_MAC(ai, 1); - - netif_start_queue(dev); - return 0; -} - -static netdev_tx_t mpi_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - int npacks, pending; - unsigned long flags; - struct airo_info *ai = dev->ml_priv; - - if (!skb) { - airo_print_err(dev->name, "%s: skb == NULL!",__func__); - return NETDEV_TX_OK; - } - if (skb_padto(skb, ETH_ZLEN)) { - dev->stats.tx_dropped++; - return NETDEV_TX_OK; - } - npacks = skb_queue_len (&ai->txq); - - if (npacks >= MAXTXQ - 1) { - netif_stop_queue (dev); - if (npacks > MAXTXQ) { - dev->stats.tx_fifo_errors++; - return NETDEV_TX_BUSY; - } - skb_queue_tail (&ai->txq, skb); - return NETDEV_TX_OK; - } - - spin_lock_irqsave(&ai->aux_lock, flags); - skb_queue_tail (&ai->txq, skb); - pending = test_bit(FLAG_PENDING_XMIT, &ai->flags); - spin_unlock_irqrestore(&ai->aux_lock, flags); - netif_wake_queue (dev); - - if (pending == 0) { - set_bit(FLAG_PENDING_XMIT, &ai->flags); - mpi_send_packet (dev); - } - return NETDEV_TX_OK; -} - -/* - * @mpi_send_packet - * - * Attempt to transmit a packet. Can be called from interrupt - * or transmit . return number of packets we tried to send - */ - -static int mpi_send_packet (struct net_device *dev) -{ - struct sk_buff *skb; - unsigned char *buffer; - s16 len; - __le16 *payloadLen; - struct airo_info *ai = dev->ml_priv; - u8 *sendbuf; - - /* get a packet to send */ - - if ((skb = skb_dequeue(&ai->txq)) == NULL) { - airo_print_err(dev->name, - "%s: Dequeue'd zero in send_packet()", - __func__); - return 0; - } - - /* check min length*/ - len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - buffer = skb->data; - - ai->txfids[0].tx_desc.offset = 0; - ai->txfids[0].tx_desc.valid = 1; - ai->txfids[0].tx_desc.eoc = 1; - ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr); - -/* - * Magic, the cards firmware needs a length count (2 bytes) in the host buffer - * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen - * is immediately after it. ------------------------------------------------ - * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA| - * ------------------------------------------------ - */ - - memcpy(ai->txfids[0].virtual_host_addr, - (char *)&wifictlhdr8023, sizeof(wifictlhdr8023)); - - payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr + - sizeof(wifictlhdr8023)); - sendbuf = ai->txfids[0].virtual_host_addr + - sizeof(wifictlhdr8023) + 2 ; - - /* - * Firmware automatically puts 802 header on so - * we don't need to account for it in the length - */ - if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && - (ntohs(((__be16 *)buffer)[6]) != 0x888E)) { - MICBuffer pMic; - - if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS) - return ERROR; - - *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic)); - ai->txfids[0].tx_desc.len += sizeof(pMic); - /* copy data into airo dma buffer */ - memcpy (sendbuf, buffer, sizeof(etherHead)); - buffer += sizeof(etherHead); - sendbuf += sizeof(etherHead); - memcpy (sendbuf, &pMic, sizeof(pMic)); - sendbuf += sizeof(pMic); - memcpy (sendbuf, buffer, len - sizeof(etherHead)); - } else { - *payloadLen = cpu_to_le16(len - sizeof(etherHead)); - - netif_trans_update(dev); - - /* copy data into airo dma buffer */ - memcpy(sendbuf, buffer, len); - } - - memcpy_toio(ai->txfids[0].card_ram_off, - &ai->txfids[0].tx_desc, sizeof(TxFid)); - - OUT4500(ai, EVACK, 8); - - dev_kfree_skb_any(skb); - return 1; -} - -static void get_tx_error(struct airo_info *ai, s32 fid) -{ - __le16 status; - - if (fid < 0) - status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status; - else { - if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS) - return; - bap_read(ai, &status, 2, BAP0); - } - if (le16_to_cpu(status) & 2) /* Too many retries */ - ai->dev->stats.tx_aborted_errors++; - if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */ - ai->dev->stats.tx_heartbeat_errors++; - if (le16_to_cpu(status) & 8) /* Aid fail */ - { } - if (le16_to_cpu(status) & 0x10) /* MAC disabled */ - ai->dev->stats.tx_carrier_errors++; - if (le16_to_cpu(status) & 0x20) /* Association lost */ - { } - /* We produce a TXDROP event only for retry or lifetime - * exceeded, because that's the only status that really mean - * that this particular node went away. - * Other errors means that *we* screwed up. - Jean II */ - if ((le16_to_cpu(status) & 2) || - (le16_to_cpu(status) & 4)) { - union iwreq_data wrqu; - char junk[0x18]; - - /* Faster to skip over useless data than to do - * another bap_setup(). We are at offset 0x6 and - * need to go to 0x18 and read 6 bytes - Jean II */ - bap_read(ai, (__le16 *) junk, 0x18, BAP0); - - /* Copy 802.11 dest address. - * We use the 802.11 header because the frame may - * not be 802.3 or may be mangled... - * In Ad-Hoc mode, it will be the node address. - * In managed mode, it will be most likely the AP addr - * User space will figure out how to convert it to - * whatever it needs (IP address or else). - * - Jean II */ - memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - - /* Send event to user space */ - wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL); - } -} - -static void airo_end_xmit(struct net_device *dev, bool may_sleep) -{ - u16 status; - int i; - struct airo_info *priv = dev->ml_priv; - struct sk_buff *skb = priv->xmit.skb; - int fid = priv->xmit.fid; - u32 *fids = priv->fids; - - clear_bit(JOB_XMIT, &priv->jobs); - clear_bit(FLAG_PENDING_XMIT, &priv->flags); - status = transmit_802_3_packet(priv, fids[fid], skb->data, may_sleep); - up(&priv->sem); - - i = 0; - if (status == SUCCESS) { - netif_trans_update(dev); - for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++); - } else { - priv->fids[fid] &= 0xffff; - dev->stats.tx_window_errors++; - } - if (i < MAX_FIDS / 2) - netif_wake_queue(dev); - dev_kfree_skb(skb); -} - -static netdev_tx_t airo_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - s16 len; - int i, j; - struct airo_info *priv = dev->ml_priv; - u32 *fids = priv->fids; - - if (skb == NULL) { - airo_print_err(dev->name, "%s: skb == NULL!", __func__); - return NETDEV_TX_OK; - } - if (skb_padto(skb, ETH_ZLEN)) { - dev->stats.tx_dropped++; - return NETDEV_TX_OK; - } - - /* Find a vacant FID */ - for (i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++); - for (j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++); - - if (j >= MAX_FIDS / 2) { - netif_stop_queue(dev); - - if (i == MAX_FIDS / 2) { - dev->stats.tx_fifo_errors++; - return NETDEV_TX_BUSY; - } - } - /* check min length*/ - len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - /* Mark fid as used & save length for later */ - fids[i] |= (len << 16); - priv->xmit.skb = skb; - priv->xmit.fid = i; - if (down_trylock(&priv->sem) != 0) { - set_bit(FLAG_PENDING_XMIT, &priv->flags); - netif_stop_queue(dev); - set_bit(JOB_XMIT, &priv->jobs); - wake_up_interruptible(&priv->thr_wait); - } else - airo_end_xmit(dev, false); - return NETDEV_TX_OK; -} - -static void airo_end_xmit11(struct net_device *dev, bool may_sleep) -{ - u16 status; - int i; - struct airo_info *priv = dev->ml_priv; - struct sk_buff *skb = priv->xmit11.skb; - int fid = priv->xmit11.fid; - u32 *fids = priv->fids; - - clear_bit(JOB_XMIT11, &priv->jobs); - clear_bit(FLAG_PENDING_XMIT11, &priv->flags); - status = transmit_802_11_packet(priv, fids[fid], skb->data, may_sleep); - up(&priv->sem); - - i = MAX_FIDS / 2; - if (status == SUCCESS) { - netif_trans_update(dev); - for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++); - } else { - priv->fids[fid] &= 0xffff; - dev->stats.tx_window_errors++; - } - if (i < MAX_FIDS) - netif_wake_queue(dev); - dev_kfree_skb(skb); -} - -static netdev_tx_t airo_start_xmit11(struct sk_buff *skb, - struct net_device *dev) -{ - s16 len; - int i, j; - struct airo_info *priv = dev->ml_priv; - u32 *fids = priv->fids; - - if (test_bit(FLAG_MPI, &priv->flags)) { - /* Not implemented yet for MPI350 */ - netif_stop_queue(dev); - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (skb == NULL) { - airo_print_err(dev->name, "%s: skb == NULL!", __func__); - return NETDEV_TX_OK; - } - if (skb_padto(skb, ETH_ZLEN)) { - dev->stats.tx_dropped++; - return NETDEV_TX_OK; - } - - /* Find a vacant FID */ - for (i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++); - for (j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++); - - if (j >= MAX_FIDS) { - netif_stop_queue(dev); - - if (i == MAX_FIDS) { - dev->stats.tx_fifo_errors++; - return NETDEV_TX_BUSY; - } - } - /* check min length*/ - len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - /* Mark fid as used & save length for later */ - fids[i] |= (len << 16); - priv->xmit11.skb = skb; - priv->xmit11.fid = i; - if (down_trylock(&priv->sem) != 0) { - set_bit(FLAG_PENDING_XMIT11, &priv->flags); - netif_stop_queue(dev); - set_bit(JOB_XMIT11, &priv->jobs); - wake_up_interruptible(&priv->thr_wait); - } else - airo_end_xmit11(dev, false); - return NETDEV_TX_OK; -} - -static void airo_read_stats(struct net_device *dev) -{ - struct airo_info *ai = dev->ml_priv; - StatsRid stats_rid; - __le32 *vals = stats_rid.vals; - - clear_bit(JOB_STATS, &ai->jobs); - if (ai->power.event) { - up(&ai->sem); - return; - } - readStatsRid(ai, &stats_rid, RID_STATS, 0); - up(&ai->sem); - - dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) + - le32_to_cpu(vals[45]); - dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) + - le32_to_cpu(vals[41]); - dev->stats.rx_bytes = le32_to_cpu(vals[92]); - dev->stats.tx_bytes = le32_to_cpu(vals[91]); - dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) + - le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]); - dev->stats.tx_errors = le32_to_cpu(vals[42]) + - dev->stats.tx_fifo_errors; - dev->stats.multicast = le32_to_cpu(vals[43]); - dev->stats.collisions = le32_to_cpu(vals[89]); - - /* detailed rx_errors: */ - dev->stats.rx_length_errors = le32_to_cpu(vals[3]); - dev->stats.rx_crc_errors = le32_to_cpu(vals[4]); - dev->stats.rx_frame_errors = le32_to_cpu(vals[2]); - dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]); -} - -static struct net_device_stats *airo_get_stats(struct net_device *dev) -{ - struct airo_info *local = dev->ml_priv; - - if (!test_bit(JOB_STATS, &local->jobs)) { - set_bit(JOB_STATS, &local->jobs); - wake_up_interruptible(&local->thr_wait); - } - - return &dev->stats; -} - -static void airo_set_promisc(struct airo_info *ai, bool may_sleep) -{ - Cmd cmd; - Resp rsp; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = CMD_SETMODE; - clear_bit(JOB_PROMISC, &ai->jobs); - cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC; - issuecommand(ai, &cmd, &rsp, may_sleep); - up(&ai->sem); -} - -static void airo_set_multicast_list(struct net_device *dev) -{ - struct airo_info *ai = dev->ml_priv; - - if ((dev->flags ^ ai->flags) & IFF_PROMISC) { - change_bit(FLAG_PROMISC, &ai->flags); - if (down_trylock(&ai->sem) != 0) { - set_bit(JOB_PROMISC, &ai->jobs); - wake_up_interruptible(&ai->thr_wait); - } else - airo_set_promisc(ai, false); - } - - if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) { - /* Turn on multicast. (Should be already setup...) */ - } -} - -static int airo_set_mac_address(struct net_device *dev, void *p) -{ - struct airo_info *ai = dev->ml_priv; - struct sockaddr *addr = p; - - readConfigRid(ai, 1); - memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len); - set_bit (FLAG_COMMIT, &ai->flags); - disable_MAC(ai, 1); - writeConfigRid (ai, 1); - enable_MAC(ai, 1); - dev_addr_set(ai->dev, addr->sa_data); - if (ai->wifidev) - dev_addr_set(ai->wifidev, addr->sa_data); - return 0; -} - -static LIST_HEAD(airo_devices); - -static void add_airo_dev(struct airo_info *ai) -{ - /* Upper layers already keep track of PCI devices, - * so we only need to remember our non-PCI cards. */ - if (!ai->pci) - list_add_tail(&ai->dev_list, &airo_devices); -} - -static void del_airo_dev(struct airo_info *ai) -{ - if (!ai->pci) - list_del(&ai->dev_list); -} - -static int airo_close(struct net_device *dev) -{ - struct airo_info *ai = dev->ml_priv; - - netif_stop_queue(dev); - - if (ai->wifidev != dev) { -#ifdef POWER_ON_DOWN - /* Shut power to the card. The idea is that the user can save - * power when he doesn't need the card with "ifconfig down". - * That's the method that is most friendly towards the network - * stack (i.e. the network stack won't try to broadcast - * anything on the interface and routes are gone. Jean II */ - set_bit(FLAG_RADIO_DOWN, &ai->flags); - disable_MAC(ai, 1); -#endif - disable_interrupts(ai); - - free_irq(dev->irq, dev); - - set_bit(JOB_DIE, &ai->jobs); - kthread_stop(ai->airo_thread_task); - } - return 0; -} - -void stop_airo_card(struct net_device *dev, int freeres) -{ - struct airo_info *ai = dev->ml_priv; - - set_bit(FLAG_RADIO_DOWN, &ai->flags); - disable_MAC(ai, 1); - disable_interrupts(ai); - takedown_proc_entry(dev, ai); - if (test_bit(FLAG_REGISTERED, &ai->flags)) { - unregister_netdev(dev); - if (ai->wifidev) { - unregister_netdev(ai->wifidev); - free_netdev(ai->wifidev); - ai->wifidev = NULL; - } - clear_bit(FLAG_REGISTERED, &ai->flags); - } - /* - * Clean out tx queue - */ - if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) { - struct sk_buff *skb = NULL; - for (;(skb = skb_dequeue(&ai->txq));) - dev_kfree_skb(skb); - } - - airo_networks_free (ai); - - kfree(ai->flash); - kfree(ai->rssi); - kfree(ai->SSID); - if (freeres) { - /* PCMCIA frees this stuff, so only for PCI and ISA */ - release_region(dev->base_addr, 64); - if (test_bit(FLAG_MPI, &ai->flags)) { - if (ai->pci) - mpi_unmap_card(ai->pci); - if (ai->pcimem) - iounmap(ai->pcimem); - if (ai->pciaux) - iounmap(ai->pciaux); - dma_free_coherent(&ai->pci->dev, PCI_SHARED_LEN, - ai->shared, ai->shared_dma); - } - } - crypto_free_sync_skcipher(ai->tfm); - del_airo_dev(ai); - free_netdev(dev); -} - -EXPORT_SYMBOL(stop_airo_card); - -static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr) -{ - memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); - return ETH_ALEN; -} - -static void mpi_unmap_card(struct pci_dev *pci) -{ - unsigned long mem_start = pci_resource_start(pci, 1); - unsigned long mem_len = pci_resource_len(pci, 1); - unsigned long aux_start = pci_resource_start(pci, 2); - unsigned long aux_len = AUXMEMSIZE; - - release_mem_region(aux_start, aux_len); - release_mem_region(mem_start, mem_len); -} - -/************************************************************* - * This routine assumes that descriptors have been setup . - * Run at insmod time or after reset when the descriptors - * have been initialized . Returns 0 if all is well nz - * otherwise . Does not allocate memory but sets up card - * using previously allocated descriptors. - */ -static int mpi_init_descriptors (struct airo_info *ai) -{ - Cmd cmd; - Resp rsp; - int i; - int rc = SUCCESS; - - /* Alloc card RX descriptors */ - netif_stop_queue(ai->dev); - - memset(&rsp, 0, sizeof(rsp)); - memset(&cmd, 0, sizeof(cmd)); - - cmd.cmd = CMD_ALLOCATEAUX; - cmd.parm0 = FID_RX; - cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux); - cmd.parm2 = MPI_MAX_FIDS; - rc = issuecommand(ai, &cmd, &rsp, true); - if (rc != SUCCESS) { - airo_print_err(ai->dev->name, "Couldn't allocate RX FID"); - return rc; - } - - for (i = 0; i<MPI_MAX_FIDS; i++) { - memcpy_toio(ai->rxfids[i].card_ram_off, - &ai->rxfids[i].rx_desc, sizeof(RxFid)); - } - - /* Alloc card TX descriptors */ - - memset(&rsp, 0, sizeof(rsp)); - memset(&cmd, 0, sizeof(cmd)); - - cmd.cmd = CMD_ALLOCATEAUX; - cmd.parm0 = FID_TX; - cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux); - cmd.parm2 = MPI_MAX_FIDS; - - for (i = 0; i<MPI_MAX_FIDS; i++) { - ai->txfids[i].tx_desc.valid = 1; - memcpy_toio(ai->txfids[i].card_ram_off, - &ai->txfids[i].tx_desc, sizeof(TxFid)); - } - ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ - - rc = issuecommand(ai, &cmd, &rsp, true); - if (rc != SUCCESS) { - airo_print_err(ai->dev->name, "Couldn't allocate TX FID"); - return rc; - } - - /* Alloc card Rid descriptor */ - memset(&rsp, 0, sizeof(rsp)); - memset(&cmd, 0, sizeof(cmd)); - - cmd.cmd = CMD_ALLOCATEAUX; - cmd.parm0 = RID_RW; - cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux); - cmd.parm2 = 1; /* Magic number... */ - rc = issuecommand(ai, &cmd, &rsp, true); - if (rc != SUCCESS) { - airo_print_err(ai->dev->name, "Couldn't allocate RID"); - return rc; - } - - memcpy_toio(ai->config_desc.card_ram_off, - &ai->config_desc.rid_desc, sizeof(Rid)); - - return rc; -} - -/* - * We are setting up three things here: - * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid. - * 2) Map PCI memory for issuing commands. - * 3) Allocate memory (shared) to send and receive ethernet frames. - */ -static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci) -{ - unsigned long mem_start, mem_len, aux_start, aux_len; - int rc = -1; - int i; - dma_addr_t busaddroff; - unsigned char *vpackoff; - unsigned char __iomem *pciaddroff; - - mem_start = pci_resource_start(pci, 1); - mem_len = pci_resource_len(pci, 1); - aux_start = pci_resource_start(pci, 2); - aux_len = AUXMEMSIZE; - - if (!request_mem_region(mem_start, mem_len, DRV_NAME)) { - airo_print_err("", "Couldn't get region %x[%x]", - (int)mem_start, (int)mem_len); - goto out; - } - if (!request_mem_region(aux_start, aux_len, DRV_NAME)) { - airo_print_err("", "Couldn't get region %x[%x]", - (int)aux_start, (int)aux_len); - goto free_region1; - } - - ai->pcimem = ioremap(mem_start, mem_len); - if (!ai->pcimem) { - airo_print_err("", "Couldn't map region %x[%x]", - (int)mem_start, (int)mem_len); - goto free_region2; - } - ai->pciaux = ioremap(aux_start, aux_len); - if (!ai->pciaux) { - airo_print_err("", "Couldn't map region %x[%x]", - (int)aux_start, (int)aux_len); - goto free_memmap; - } - - /* Reserve PKTSIZE for each fid and 2K for the Rids */ - ai->shared = dma_alloc_coherent(&pci->dev, PCI_SHARED_LEN, - &ai->shared_dma, GFP_KERNEL); - if (!ai->shared) { - airo_print_err("", "Couldn't alloc_coherent %d", - PCI_SHARED_LEN); - goto free_auxmap; - } - - /* - * Setup descriptor RX, TX, CONFIG - */ - busaddroff = ai->shared_dma; - pciaddroff = ai->pciaux + AUX_OFFSET; - vpackoff = ai->shared; - - /* RX descriptor setup */ - for (i = 0; i < MPI_MAX_FIDS; i++) { - ai->rxfids[i].pending = 0; - ai->rxfids[i].card_ram_off = pciaddroff; - ai->rxfids[i].virtual_host_addr = vpackoff; - ai->rxfids[i].rx_desc.host_addr = busaddroff; - ai->rxfids[i].rx_desc.valid = 1; - ai->rxfids[i].rx_desc.len = PKTSIZE; - ai->rxfids[i].rx_desc.rdy = 0; - - pciaddroff += sizeof(RxFid); - busaddroff += PKTSIZE; - vpackoff += PKTSIZE; - } - - /* TX descriptor setup */ - for (i = 0; i < MPI_MAX_FIDS; i++) { - ai->txfids[i].card_ram_off = pciaddroff; - ai->txfids[i].virtual_host_addr = vpackoff; - ai->txfids[i].tx_desc.valid = 1; - ai->txfids[i].tx_desc.host_addr = busaddroff; - memcpy(ai->txfids[i].virtual_host_addr, - &wifictlhdr8023, sizeof(wifictlhdr8023)); - - pciaddroff += sizeof(TxFid); - busaddroff += PKTSIZE; - vpackoff += PKTSIZE; - } - ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ - - /* Rid descriptor setup */ - ai->config_desc.card_ram_off = pciaddroff; - ai->config_desc.virtual_host_addr = vpackoff; - ai->config_desc.rid_desc.host_addr = busaddroff; - ai->ridbus = busaddroff; - ai->config_desc.rid_desc.rid = 0; - ai->config_desc.rid_desc.len = RIDSIZE; - ai->config_desc.rid_desc.valid = 1; - pciaddroff += sizeof(Rid); - busaddroff += RIDSIZE; - vpackoff += RIDSIZE; - - /* Tell card about descriptors */ - if (mpi_init_descriptors (ai) != SUCCESS) - goto free_shared; - - return 0; - free_shared: - dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared, - ai->shared_dma); - free_auxmap: - iounmap(ai->pciaux); - free_memmap: - iounmap(ai->pcimem); - free_region2: - release_mem_region(aux_start, aux_len); - free_region1: - release_mem_region(mem_start, mem_len); - out: - return rc; -} - -static const struct header_ops airo_header_ops = { - .parse = wll_header_parse, -}; - -static const struct net_device_ops airo11_netdev_ops = { - .ndo_open = airo_open, - .ndo_stop = airo_close, - .ndo_start_xmit = airo_start_xmit11, - .ndo_get_stats = airo_get_stats, - .ndo_set_mac_address = airo_set_mac_address, - .ndo_siocdevprivate = airo_siocdevprivate, -}; - -static void wifi_setup(struct net_device *dev) -{ - dev->netdev_ops = &airo11_netdev_ops; - dev->header_ops = &airo_header_ops; - dev->wireless_handlers = &airo_handler_def; - - dev->type = ARPHRD_IEEE80211; - dev->hard_header_len = ETH_HLEN; - dev->mtu = AIRO_DEF_MTU; - dev->min_mtu = 68; - dev->max_mtu = MIC_MSGLEN_MAX; - dev->addr_len = ETH_ALEN; - dev->tx_queue_len = 100; - - eth_broadcast_addr(dev->broadcast); - - dev->flags = IFF_BROADCAST|IFF_MULTICAST; -} - -static struct net_device *init_wifidev(struct airo_info *ai, - struct net_device *ethdev) -{ - int err; - struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN, - wifi_setup); - if (!dev) - return NULL; - dev->ml_priv = ethdev->ml_priv; - dev->irq = ethdev->irq; - dev->base_addr = ethdev->base_addr; - dev->wireless_data = ethdev->wireless_data; - SET_NETDEV_DEV(dev, ethdev->dev.parent); - eth_hw_addr_inherit(dev, ethdev); - err = register_netdev(dev); - if (err<0) { - free_netdev(dev); - return NULL; - } - return dev; -} - -static int reset_card(struct net_device *dev, int lock) -{ - struct airo_info *ai = dev->ml_priv; - - if (lock && down_interruptible(&ai->sem)) - return -1; - waitbusy (ai); - OUT4500(ai, COMMAND, CMD_SOFTRESET); - msleep(200); - waitbusy (ai); - msleep(200); - if (lock) - up(&ai->sem); - return 0; -} - -#define AIRO_MAX_NETWORK_COUNT 64 -static int airo_networks_allocate(struct airo_info *ai) -{ - if (ai->networks) - return 0; - - ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement), - GFP_KERNEL); - if (!ai->networks) { - airo_print_warn("", "Out of memory allocating beacons"); - return -ENOMEM; - } - - return 0; -} - -static void airo_networks_free(struct airo_info *ai) -{ - kfree(ai->networks); - ai->networks = NULL; -} - -static void airo_networks_initialize(struct airo_info *ai) -{ - int i; - - INIT_LIST_HEAD(&ai->network_free_list); - INIT_LIST_HEAD(&ai->network_list); - for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++) - list_add_tail(&ai->networks[i].list, - &ai->network_free_list); -} - -static const struct net_device_ops airo_netdev_ops = { - .ndo_open = airo_open, - .ndo_stop = airo_close, - .ndo_start_xmit = airo_start_xmit, - .ndo_get_stats = airo_get_stats, - .ndo_set_rx_mode = airo_set_multicast_list, - .ndo_set_mac_address = airo_set_mac_address, - .ndo_siocdevprivate = airo_siocdevprivate, - .ndo_validate_addr = eth_validate_addr, -}; - -static const struct net_device_ops mpi_netdev_ops = { - .ndo_open = airo_open, - .ndo_stop = airo_close, - .ndo_start_xmit = mpi_start_xmit, - .ndo_get_stats = airo_get_stats, - .ndo_set_rx_mode = airo_set_multicast_list, - .ndo_set_mac_address = airo_set_mac_address, - .ndo_siocdevprivate = airo_siocdevprivate, - .ndo_validate_addr = eth_validate_addr, -}; - - -static struct net_device *_init_airo_card(unsigned short irq, int port, - int is_pcmcia, struct pci_dev *pci, - struct device *dmdev) -{ - struct net_device *dev; - struct airo_info *ai; - int i, rc; - CapabilityRid cap_rid; - - /* Create the network device object. */ - dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup); - if (!dev) { - airo_print_err("", "Couldn't alloc_etherdev"); - return NULL; - } - - ai = dev->ml_priv = netdev_priv(dev); - ai->wifidev = NULL; - ai->flags = 1 << FLAG_RADIO_DOWN; - ai->jobs = 0; - ai->dev = dev; - if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { - airo_print_dbg("", "Found an MPI350 card"); - set_bit(FLAG_MPI, &ai->flags); - } - spin_lock_init(&ai->aux_lock); - sema_init(&ai->sem, 1); - ai->config.len = 0; - ai->pci = pci; - init_waitqueue_head (&ai->thr_wait); - ai->tfm = NULL; - add_airo_dev(ai); - ai->APList.len = cpu_to_le16(sizeof(struct APListRid)); - - if (airo_networks_allocate (ai)) - goto err_out_free; - airo_networks_initialize (ai); - - skb_queue_head_init (&ai->txq); - - /* The Airo-specific entries in the device structure. */ - if (test_bit(FLAG_MPI,&ai->flags)) - dev->netdev_ops = &mpi_netdev_ops; - else - dev->netdev_ops = &airo_netdev_ops; - dev->wireless_handlers = &airo_handler_def; - ai->wireless_data.spy_data = &ai->spy_data; - dev->wireless_data = &ai->wireless_data; - dev->irq = irq; - dev->base_addr = port; - dev->priv_flags &= ~IFF_TX_SKB_SHARING; - dev->max_mtu = MIC_MSGLEN_MAX; - - SET_NETDEV_DEV(dev, dmdev); - - reset_card (dev, 1); - msleep(400); - - if (!is_pcmcia) { - if (!request_region(dev->base_addr, 64, DRV_NAME)) { - rc = -EBUSY; - airo_print_err(dev->name, "Couldn't request region"); - goto err_out_nets; - } - } - - if (test_bit(FLAG_MPI,&ai->flags)) { - if (mpi_map_card(ai, pci)) { - airo_print_err("", "Could not map memory"); - goto err_out_res; - } - } - - if (probe) { - if (setup_card(ai, dev, 1) != SUCCESS) { - airo_print_err(dev->name, "MAC could not be enabled"); - rc = -EIO; - goto err_out_map; - } - } else if (!test_bit(FLAG_MPI,&ai->flags)) { - ai->bap_read = fast_bap_read; - set_bit(FLAG_FLASHING, &ai->flags); - } - - strcpy(dev->name, "eth%d"); - rc = register_netdev(dev); - if (rc) { - airo_print_err(dev->name, "Couldn't register_netdev"); - goto err_out_map; - } - ai->wifidev = init_wifidev(ai, dev); - if (!ai->wifidev) - goto err_out_reg; - - rc = readCapabilityRid(ai, &cap_rid, 1); - if (rc != SUCCESS) { - rc = -EIO; - goto err_out_wifi; - } - /* WEP capability discovery */ - ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0; - ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0; - - airo_print_info(dev->name, "Firmware version %x.%x.%02d", - ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF), - (le16_to_cpu(cap_rid.softVer) & 0xFF), - le16_to_cpu(cap_rid.softSubVer)); - - /* Test for WPA support */ - /* Only firmware versions 5.30.17 or better can do WPA */ - if (le16_to_cpu(cap_rid.softVer) > 0x530 - || (le16_to_cpu(cap_rid.softVer) == 0x530 - && le16_to_cpu(cap_rid.softSubVer) >= 17)) { - airo_print_info(ai->dev->name, "WPA supported."); - - set_bit(FLAG_WPA_CAPABLE, &ai->flags); - ai->bssListFirst = RID_WPA_BSSLISTFIRST; - ai->bssListNext = RID_WPA_BSSLISTNEXT; - ai->bssListRidLen = sizeof(BSSListRid); - } else { - airo_print_info(ai->dev->name, "WPA unsupported with firmware " - "versions older than 5.30.17."); - - ai->bssListFirst = RID_BSSLISTFIRST; - ai->bssListNext = RID_BSSLISTNEXT; - ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); - } - - set_bit(FLAG_REGISTERED,&ai->flags); - airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); - - /* Allocate the transmit buffers */ - if (probe && !test_bit(FLAG_MPI,&ai->flags)) - for (i = 0; i < MAX_FIDS; i++) - ai->fids[i] = transmit_allocate(ai, AIRO_DEF_MTU, i>=MAX_FIDS/2); - - if (setup_proc_entry(dev, dev->ml_priv) < 0) - goto err_out_wifi; - - return dev; - -err_out_wifi: - unregister_netdev(ai->wifidev); - free_netdev(ai->wifidev); -err_out_reg: - unregister_netdev(dev); -err_out_map: - if (test_bit(FLAG_MPI,&ai->flags) && pci) { - dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared, - ai->shared_dma); - iounmap(ai->pciaux); - iounmap(ai->pcimem); - mpi_unmap_card(ai->pci); - } -err_out_res: - if (!is_pcmcia) - release_region(dev->base_addr, 64); -err_out_nets: - airo_networks_free(ai); -err_out_free: - del_airo_dev(ai); - free_netdev(dev); - return NULL; -} - -struct net_device *init_airo_card(unsigned short irq, int port, int is_pcmcia, - struct device *dmdev) -{ - return _init_airo_card (irq, port, is_pcmcia, NULL, dmdev); -} - -EXPORT_SYMBOL(init_airo_card); - -static int waitbusy (struct airo_info *ai) -{ - int delay = 0; - while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) { - udelay (10); - if ((++delay % 20) == 0) - OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); - } - return delay < 10000; -} - -int reset_airo_card(struct net_device *dev) -{ - int i; - struct airo_info *ai = dev->ml_priv; - - if (reset_card (dev, 1)) - return -1; - - if (setup_card(ai, dev, 1) != SUCCESS) { - airo_print_err(dev->name, "MAC could not be enabled"); - return -1; - } - airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); - /* Allocate the transmit buffers if needed */ - if (!test_bit(FLAG_MPI,&ai->flags)) - for (i = 0; i < MAX_FIDS; i++) - ai->fids[i] = transmit_allocate (ai, AIRO_DEF_MTU, i>=MAX_FIDS/2); - - enable_interrupts(ai); - netif_wake_queue(dev); - return 0; -} - -EXPORT_SYMBOL(reset_airo_card); - -static void airo_send_event(struct net_device *dev) -{ - struct airo_info *ai = dev->ml_priv; - union iwreq_data wrqu; - StatusRid status_rid; - - clear_bit(JOB_EVENT, &ai->jobs); - PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0); - up(&ai->sem); - wrqu.data.length = 0; - wrqu.data.flags = 0; - memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - - /* Send event to user space */ - wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); -} - -static void airo_process_scan_results (struct airo_info *ai) -{ - union iwreq_data wrqu; - BSSListRid bss; - int rc; - BSSListElement * loop_net; - BSSListElement * tmp_net; - - /* Blow away current list of scan results */ - list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) { - list_move_tail (&loop_net->list, &ai->network_free_list); - /* Don't blow away ->list, just BSS data */ - memset (loop_net, 0, sizeof (loop_net->bss)); - } - - /* Try to read the first entry of the scan result */ - rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0); - if ((rc) || (bss.index == cpu_to_le16(0xffff))) { - /* No scan results */ - goto out; - } - - /* Read and parse all entries */ - tmp_net = NULL; - while ((!rc) && (bss.index != cpu_to_le16(0xffff))) { - /* Grab a network off the free list */ - if (!list_empty(&ai->network_free_list)) { - tmp_net = list_entry(ai->network_free_list.next, - BSSListElement, list); - list_del(ai->network_free_list.next); - } - - if (tmp_net != NULL) { - memcpy(tmp_net, &bss, sizeof(tmp_net->bss)); - list_add_tail(&tmp_net->list, &ai->network_list); - tmp_net = NULL; - } - - /* Read next entry */ - rc = PC4500_readrid(ai, ai->bssListNext, - &bss, ai->bssListRidLen, 0); - } - -out: - /* write APList back (we cleared it in airo_set_scan) */ - disable_MAC(ai, 2); - writeAPListRid(ai, &ai->APList, 0); - enable_MAC(ai, 0); - - ai->scan_timeout = 0; - clear_bit(JOB_SCAN_RESULTS, &ai->jobs); - up(&ai->sem); - - /* Send an empty event to user space. - * We don't send the received data on - * the event because it would require - * us to do complex transcoding, and - * we want to minimise the work done in - * the irq handler. Use a request to - * extract the data - Jean II */ - wrqu.data.length = 0; - wrqu.data.flags = 0; - wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL); -} - -static int airo_thread(void *data) -{ - struct net_device *dev = data; - struct airo_info *ai = dev->ml_priv; - int locked; - - set_freezable(); - while (1) { - /* make swsusp happy with our thread */ - try_to_freeze(); - - if (test_bit(JOB_DIE, &ai->jobs)) - break; - - if (ai->jobs) { - locked = down_interruptible(&ai->sem); - } else { - wait_queue_entry_t wait; - - init_waitqueue_entry(&wait, current); - add_wait_queue(&ai->thr_wait, &wait); - for (;;) { - set_current_state(TASK_INTERRUPTIBLE); - if (ai->jobs) - break; - if (ai->expires || ai->scan_timeout) { - if (ai->scan_timeout && - time_after_eq(jiffies, ai->scan_timeout)) { - set_bit(JOB_SCAN_RESULTS, &ai->jobs); - break; - } else if (ai->expires && - time_after_eq(jiffies, ai->expires)) { - set_bit(JOB_AUTOWEP, &ai->jobs); - break; - } - if (!kthread_should_stop() && - !freezing(current)) { - unsigned long wake_at; - if (!ai->expires || !ai->scan_timeout) { - wake_at = max(ai->expires, - ai->scan_timeout); - } else { - wake_at = min(ai->expires, - ai->scan_timeout); - } - schedule_timeout(wake_at - jiffies); - continue; - } - } else if (!kthread_should_stop() && - !freezing(current)) { - schedule(); - continue; - } - break; - } - __set_current_state(TASK_RUNNING); - remove_wait_queue(&ai->thr_wait, &wait); - locked = 1; - } - - if (locked) - continue; - - if (test_bit(JOB_DIE, &ai->jobs)) { - up(&ai->sem); - break; - } - - if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) { - up(&ai->sem); - continue; - } - - if (test_bit(JOB_XMIT, &ai->jobs)) - airo_end_xmit(dev, true); - else if (test_bit(JOB_XMIT11, &ai->jobs)) - airo_end_xmit11(dev, true); - else if (test_bit(JOB_STATS, &ai->jobs)) - airo_read_stats(dev); - else if (test_bit(JOB_PROMISC, &ai->jobs)) - airo_set_promisc(ai, true); - else if (test_bit(JOB_MIC, &ai->jobs)) - micinit(ai); - else if (test_bit(JOB_EVENT, &ai->jobs)) - airo_send_event(dev); - else if (test_bit(JOB_AUTOWEP, &ai->jobs)) - timer_func(dev); - else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs)) - airo_process_scan_results(ai); - else /* Shouldn't get here, but we make sure to unlock */ - up(&ai->sem); - } - - return 0; -} - -static int header_len(__le16 ctl) -{ - u16 fc = le16_to_cpu(ctl); - switch (fc & 0xc) { - case 4: - if ((fc & 0xe0) == 0xc0) - return 10; /* one-address control packet */ - return 16; /* two-address control packet */ - case 8: - if ((fc & 0x300) == 0x300) - return 30; /* WDS packet */ - } - return 24; -} - -static void airo_handle_cisco_mic(struct airo_info *ai) -{ - if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) { - set_bit(JOB_MIC, &ai->jobs); - wake_up_interruptible(&ai->thr_wait); - } -} - -/* Airo Status codes */ -#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */ -#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */ -#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/ -#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */ -#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */ -#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */ -#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */ -#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */ -#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */ -#define STAT_ASSOC 0x0400 /* Associated */ -#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */ - -static void airo_print_status(const char *devname, u16 status) -{ - u8 reason = status & 0xFF; - - switch (status & 0xFF00) { - case STAT_NOBEACON: - switch (status) { - case STAT_NOBEACON: - airo_print_dbg(devname, "link lost (missed beacons)"); - break; - case STAT_MAXRETRIES: - case STAT_MAXARL: - airo_print_dbg(devname, "link lost (max retries)"); - break; - case STAT_FORCELOSS: - airo_print_dbg(devname, "link lost (local choice)"); - break; - case STAT_TSFSYNC: - airo_print_dbg(devname, "link lost (TSF sync lost)"); - break; - default: - airo_print_dbg(devname, "unknown status %x\n", status); - break; - } - break; - case STAT_DEAUTH: - airo_print_dbg(devname, "deauthenticated (reason: %d)", reason); - break; - case STAT_DISASSOC: - airo_print_dbg(devname, "disassociated (reason: %d)", reason); - break; - case STAT_ASSOC_FAIL: - airo_print_dbg(devname, "association failed (reason: %d)", - reason); - break; - case STAT_AUTH_FAIL: - airo_print_dbg(devname, "authentication failed (reason: %d)", - reason); - break; - case STAT_ASSOC: - case STAT_REASSOC: - break; - default: - airo_print_dbg(devname, "unknown status %x\n", status); - break; - } -} - -static void airo_handle_link(struct airo_info *ai) -{ - union iwreq_data wrqu; - int scan_forceloss = 0; - u16 status; - - /* Get new status and acknowledge the link change */ - status = le16_to_cpu(IN4500(ai, LINKSTAT)); - OUT4500(ai, EVACK, EV_LINK); - - if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0)) - scan_forceloss = 1; - - airo_print_status(ai->dev->name, status); - - if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) { - if (auto_wep) - ai->expires = 0; - if (ai->list_bss_task) - wake_up_process(ai->list_bss_task); - set_bit(FLAG_UPDATE_UNI, &ai->flags); - set_bit(FLAG_UPDATE_MULTI, &ai->flags); - - set_bit(JOB_EVENT, &ai->jobs); - wake_up_interruptible(&ai->thr_wait); - - netif_carrier_on(ai->dev); - } else if (!scan_forceloss) { - if (auto_wep && !ai->expires) { - ai->expires = RUN_AT(3*HZ); - wake_up_interruptible(&ai->thr_wait); - } - - /* Send event to user space */ - eth_zero_addr(wrqu.ap_addr.sa_data); - wrqu.ap_addr.sa_family = ARPHRD_ETHER; - wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL); - netif_carrier_off(ai->dev); - } else { - netif_carrier_off(ai->dev); - } -} - -static void airo_handle_rx(struct airo_info *ai) -{ - struct sk_buff *skb = NULL; - __le16 fc, v, *buffer, tmpbuf[4]; - u16 len, hdrlen = 0, gap, fid; - struct rx_hdr hdr; - int success = 0; - - if (test_bit(FLAG_MPI, &ai->flags)) { - if (test_bit(FLAG_802_11, &ai->flags)) - mpi_receive_802_11(ai); - else - mpi_receive_802_3(ai); - OUT4500(ai, EVACK, EV_RX); - return; - } - - fid = IN4500(ai, RXFID); - - /* Get the packet length */ - if (test_bit(FLAG_802_11, &ai->flags)) { - bap_setup (ai, fid, 4, BAP0); - bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0); - /* Bad CRC. Ignore packet */ - if (le16_to_cpu(hdr.status) & 2) - hdr.len = 0; - if (ai->wifidev == NULL) - hdr.len = 0; - } else { - bap_setup(ai, fid, 0x36, BAP0); - bap_read(ai, &hdr.len, 2, BAP0); - } - len = le16_to_cpu(hdr.len); - - if (len > AIRO_DEF_MTU) { - airo_print_err(ai->dev->name, "Bad size %d", len); - goto done; - } - if (len == 0) - goto done; - - if (test_bit(FLAG_802_11, &ai->flags)) { - bap_read(ai, &fc, sizeof (fc), BAP0); - hdrlen = header_len(fc); - } else - hdrlen = ETH_ALEN * 2; - - skb = dev_alloc_skb(len + hdrlen + 2 + 2); - if (!skb) { - ai->dev->stats.rx_dropped++; - goto done; - } - - skb_reserve(skb, 2); /* This way the IP header is aligned */ - buffer = skb_put(skb, len + hdrlen); - if (test_bit(FLAG_802_11, &ai->flags)) { - buffer[0] = fc; - bap_read(ai, buffer + 1, hdrlen - 2, BAP0); - if (hdrlen == 24) - bap_read(ai, tmpbuf, 6, BAP0); - - bap_read(ai, &v, sizeof(v), BAP0); - gap = le16_to_cpu(v); - if (gap) { - if (gap <= 8) { - bap_read(ai, tmpbuf, gap, BAP0); - } else { - airo_print_err(ai->dev->name, "gaplen too " - "big. Problems will follow..."); - } - } - bap_read(ai, buffer + hdrlen/2, len, BAP0); - } else { - MICBuffer micbuf; - - bap_read(ai, buffer, ETH_ALEN * 2, BAP0); - if (ai->micstats.enabled) { - bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0); - if (ntohs(micbuf.typelen) > 0x05DC) - bap_setup(ai, fid, 0x44, BAP0); - else { - if (len <= sizeof (micbuf)) { - dev_kfree_skb_irq(skb); - goto done; - } - - len -= sizeof(micbuf); - skb_trim(skb, len + hdrlen); - } - } - - bap_read(ai, buffer + ETH_ALEN, len, BAP0); - if (decapsulate(ai, &micbuf, (etherHead*) buffer, len)) - dev_kfree_skb_irq (skb); - else - success = 1; - } - -#ifdef WIRELESS_SPY - if (success && (ai->spy_data.spy_number > 0)) { - char *sa; - struct iw_quality wstats; - - /* Prepare spy data : addr + qual */ - if (!test_bit(FLAG_802_11, &ai->flags)) { - sa = (char *) buffer + 6; - bap_setup(ai, fid, 8, BAP0); - bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0); - } else - sa = (char *) buffer + 10; - wstats.qual = hdr.rssi[0]; - if (ai->rssi) - wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; - else - wstats.level = (hdr.rssi[1] + 321) / 2; - wstats.noise = ai->wstats.qual.noise; - wstats.updated = IW_QUAL_LEVEL_UPDATED - | IW_QUAL_QUAL_UPDATED - | IW_QUAL_DBM; - /* Update spy records */ - wireless_spy_update(ai->dev, sa, &wstats); - } -#endif /* WIRELESS_SPY */ - -done: - OUT4500(ai, EVACK, EV_RX); - - if (success) { - if (test_bit(FLAG_802_11, &ai->flags)) { - skb_reset_mac_header(skb); - skb->pkt_type = PACKET_OTHERHOST; - skb->dev = ai->wifidev; - skb->protocol = htons(ETH_P_802_2); - } else - skb->protocol = eth_type_trans(skb, ai->dev); - skb->ip_summed = CHECKSUM_NONE; - - netif_rx(skb); - } -} - -static void airo_handle_tx(struct airo_info *ai, u16 status) -{ - int i, index = -1; - u16 fid; - - if (test_bit(FLAG_MPI, &ai->flags)) { - unsigned long flags; - - if (status & EV_TXEXC) - get_tx_error(ai, -1); - - spin_lock_irqsave(&ai->aux_lock, flags); - if (!skb_queue_empty(&ai->txq)) { - spin_unlock_irqrestore(&ai->aux_lock, flags); - mpi_send_packet(ai->dev); - } else { - clear_bit(FLAG_PENDING_XMIT, &ai->flags); - spin_unlock_irqrestore(&ai->aux_lock, flags); - netif_wake_queue(ai->dev); - } - OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); - return; - } - - fid = IN4500(ai, TXCOMPLFID); - - for (i = 0; i < MAX_FIDS; i++) { - if ((ai->fids[i] & 0xffff) == fid) - index = i; - } - - if (index != -1) { - if (status & EV_TXEXC) - get_tx_error(ai, index); - - OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC)); - - /* Set up to be used again */ - ai->fids[index] &= 0xffff; - if (index < MAX_FIDS / 2) { - if (!test_bit(FLAG_PENDING_XMIT, &ai->flags)) - netif_wake_queue(ai->dev); - } else { - if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags)) - netif_wake_queue(ai->wifidev); - } - } else { - OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); - airo_print_err(ai->dev->name, "Unallocated FID was used to xmit"); - } -} - -static irqreturn_t airo_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - u16 status, savedInterrupts = 0; - struct airo_info *ai = dev->ml_priv; - int handled = 0; - - if (!netif_device_present(dev)) - return IRQ_NONE; - - for (;;) { - status = IN4500(ai, EVSTAT); - if (!(status & STATUS_INTS) || (status == 0xffff)) - break; - - handled = 1; - - if (status & EV_AWAKE) { - OUT4500(ai, EVACK, EV_AWAKE); - OUT4500(ai, EVACK, EV_AWAKE); - } - - if (!savedInterrupts) { - savedInterrupts = IN4500(ai, EVINTEN); - OUT4500(ai, EVINTEN, 0); - } - - if (status & EV_MIC) { - OUT4500(ai, EVACK, EV_MIC); - airo_handle_cisco_mic(ai); - } - - if (status & EV_LINK) { - /* Link status changed */ - airo_handle_link(ai); - } - - /* Check to see if there is something to receive */ - if (status & EV_RX) - airo_handle_rx(ai); - - /* Check to see if a packet has been transmitted */ - if (status & (EV_TX | EV_TXCPY | EV_TXEXC)) - airo_handle_tx(ai, status); - - if (status & ~STATUS_INTS & ~IGNORE_INTS) { - airo_print_warn(ai->dev->name, "Got weird status %x", - status & ~STATUS_INTS & ~IGNORE_INTS); - } - } - - if (savedInterrupts) - OUT4500(ai, EVINTEN, savedInterrupts); - - return IRQ_RETVAL(handled); -} - -/* - * 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 (test_bit(FLAG_MPI,&ai->flags)) - reg <<= 1; - 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 (test_bit(FLAG_MPI,&ai->flags)) - reg <<= 1; - 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, int lock) -{ - int rc; - Cmd cmd; - Resp rsp; - - /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions - * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down" - * Note : we could try to use !netif_running(dev) in enable_MAC() - * instead of this flag, but I don't trust it *within* the - * open/close functions, and testing both flags together is - * "cheaper" - Jean II */ - if (ai->flags & FLAG_RADIO_MASK) return SUCCESS; - - if (lock && down_interruptible(&ai->sem)) - return -ERESTARTSYS; - - if (!test_bit(FLAG_ENABLED, &ai->flags)) { - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = MAC_ENABLE; - rc = issuecommand(ai, &cmd, &rsp, true); - if (rc == SUCCESS) - set_bit(FLAG_ENABLED, &ai->flags); - } else - rc = SUCCESS; - - if (lock) - up(&ai->sem); - - if (rc) - airo_print_err(ai->dev->name, "Cannot enable MAC"); - else if ((rsp.status & 0xFF00) != 0) { - airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, " - "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2); - rc = ERROR; - } - return rc; -} - -static void disable_MAC(struct airo_info *ai, int lock) -{ - Cmd cmd; - Resp rsp; - - if (lock == 1 && down_interruptible(&ai->sem)) - return; - - if (test_bit(FLAG_ENABLED, &ai->flags)) { - if (lock != 2) /* lock == 2 means don't disable carrier */ - netif_carrier_off(ai->dev); - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = MAC_DISABLE; // disable in case already enabled - issuecommand(ai, &cmd, &rsp, true); - clear_bit(FLAG_ENABLED, &ai->flags); - } - if (lock == 1) - up(&ai->sem); -} - -static void enable_interrupts(struct airo_info *ai) -{ - /* Enable the interrupts */ - OUT4500(ai, EVINTEN, STATUS_INTS); -} - -static void disable_interrupts(struct airo_info *ai) -{ - OUT4500(ai, EVINTEN, 0); -} - -static void mpi_receive_802_3(struct airo_info *ai) -{ - RxFid rxd; - int len = 0; - struct sk_buff *skb; - char *buffer; - int off = 0; - MICBuffer micbuf; - - memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); - /* Make sure we got something */ - if (rxd.rdy && rxd.valid == 0) { - len = rxd.len + 12; - if (len < 12 || len > 2048) - goto badrx; - - skb = dev_alloc_skb(len); - if (!skb) { - ai->dev->stats.rx_dropped++; - goto badrx; - } - buffer = skb_put(skb, len); - memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2); - if (ai->micstats.enabled) { - memcpy(&micbuf, - ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2, - sizeof(micbuf)); - if (ntohs(micbuf.typelen) <= 0x05DC) { - if (len <= sizeof(micbuf) + ETH_ALEN * 2) - goto badmic; - - off = sizeof(micbuf); - skb_trim (skb, len - off); - } - } - memcpy(buffer + ETH_ALEN * 2, - ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off, - len - ETH_ALEN * 2 - off); - if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) { -badmic: - dev_kfree_skb_irq (skb); - goto badrx; - } -#ifdef WIRELESS_SPY - if (ai->spy_data.spy_number > 0) { - char *sa; - struct iw_quality wstats; - /* Prepare spy data : addr + qual */ - sa = buffer + ETH_ALEN; - wstats.qual = 0; /* XXX Where do I get that info from ??? */ - wstats.level = 0; - wstats.updated = 0; - /* Update spy records */ - wireless_spy_update(ai->dev, sa, &wstats); - } -#endif /* WIRELESS_SPY */ - - skb->ip_summed = CHECKSUM_NONE; - skb->protocol = eth_type_trans(skb, ai->dev); - netif_rx(skb); - } -badrx: - if (rxd.valid == 0) { - rxd.valid = 1; - rxd.rdy = 0; - rxd.len = PKTSIZE; - memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); - } -} - -static void mpi_receive_802_11(struct airo_info *ai) -{ - RxFid rxd; - struct sk_buff *skb = NULL; - u16 len, hdrlen = 0; - __le16 fc; - struct rx_hdr hdr; - u16 gap; - u16 *buffer; - char *ptr = ai->rxfids[0].virtual_host_addr + 4; - - memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); - memcpy ((char *)&hdr, ptr, sizeof(hdr)); - ptr += sizeof(hdr); - /* Bad CRC. Ignore packet */ - if (le16_to_cpu(hdr.status) & 2) - hdr.len = 0; - if (ai->wifidev == NULL) - hdr.len = 0; - len = le16_to_cpu(hdr.len); - if (len > AIRO_DEF_MTU) { - airo_print_err(ai->dev->name, "Bad size %d", len); - goto badrx; - } - if (len == 0) - goto badrx; - - fc = get_unaligned((__le16 *)ptr); - hdrlen = header_len(fc); - - skb = dev_alloc_skb(len + hdrlen + 2); - if (!skb) { - ai->dev->stats.rx_dropped++; - goto badrx; - } - buffer = skb_put(skb, len + hdrlen); - memcpy ((char *)buffer, ptr, hdrlen); - ptr += hdrlen; - if (hdrlen == 24) - ptr += 6; - gap = get_unaligned_le16(ptr); - ptr += sizeof(__le16); - if (gap) { - if (gap <= 8) - ptr += gap; - else - airo_print_err(ai->dev->name, - "gaplen too big. Problems will follow..."); - } - memcpy ((char *)buffer + hdrlen, ptr, len); - ptr += len; -#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ - if (ai->spy_data.spy_number > 0) { - char *sa; - struct iw_quality wstats; - /* Prepare spy data : addr + qual */ - sa = (char*)buffer + 10; - wstats.qual = hdr.rssi[0]; - if (ai->rssi) - wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; - else - wstats.level = (hdr.rssi[1] + 321) / 2; - wstats.noise = ai->wstats.qual.noise; - wstats.updated = IW_QUAL_QUAL_UPDATED - | IW_QUAL_LEVEL_UPDATED - | IW_QUAL_DBM; - /* Update spy records */ - wireless_spy_update(ai->dev, sa, &wstats); - } -#endif /* IW_WIRELESS_SPY */ - skb_reset_mac_header(skb); - skb->pkt_type = PACKET_OTHERHOST; - skb->dev = ai->wifidev; - skb->protocol = htons(ETH_P_802_2); - skb->ip_summed = CHECKSUM_NONE; - netif_rx(skb); - -badrx: - if (rxd.valid == 0) { - rxd.valid = 1; - rxd.rdy = 0; - rxd.len = PKTSIZE; - memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); - } -} - -static inline void set_auth_type(struct airo_info *local, int auth_type) -{ - local->config.authType = auth_type; - /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT). - * Used by airo_set_auth() - */ - if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT) - local->last_auth = auth_type; -} - -static int noinline_for_stack airo_readconfig(struct airo_info *ai, - struct net_device *dev, int lock) -{ - int i, status; - /* large variables, so don't inline this function, - * maybe change to kmalloc - */ - tdsRssiRid rssi_rid; - CapabilityRid cap_rid; - - kfree(ai->SSID); - ai->SSID = NULL; - // general configuration (read/modify/write) - status = readConfigRid(ai, lock); - if (status != SUCCESS) return ERROR; - - status = readCapabilityRid(ai, &cap_rid, lock); - if (status != SUCCESS) return ERROR; - - status = PC4500_readrid(ai, RID_RSSI, &rssi_rid, sizeof(rssi_rid), lock); - if (status == SUCCESS) { - if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL) - memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */ - } - else { - kfree(ai->rssi); - ai->rssi = NULL; - if (cap_rid.softCap & cpu_to_le16(8)) - ai->config.rmode |= RXMODE_NORMALIZED_RSSI; - else - airo_print_warn(ai->dev->name, "unknown received signal " - "level scale"); - } - ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS; - set_auth_type(ai, AUTH_OPEN); - ai->config.modulation = MOD_CCK; - - if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) && - (cap_rid.extSoftCap & cpu_to_le16(1)) && - micsetup(ai) == SUCCESS) { - ai->config.opmode |= MODE_MIC; - set_bit(FLAG_MIC_CAPABLE, &ai->flags); - } - - /* Save off the MAC */ - eth_hw_addr_set(dev, ai->config.macAddr); - - /* Check to see if there are any insmod configured - rates to add */ - if (rates[0]) { - memset(ai->config.rates, 0, sizeof(ai->config.rates)); - for (i = 0; i < 8 && rates[i]; i++) { - ai->config.rates[i] = rates[i]; - } - } - set_bit (FLAG_COMMIT, &ai->flags); - - return SUCCESS; -} - - -static u16 setup_card(struct airo_info *ai, struct net_device *dev, int lock) -{ - Cmd cmd; - Resp rsp; - int status; - SsidRid mySsid; - __le16 lastindex; - WepKeyRid wkr; - int rc; - - memset(&mySsid, 0, sizeof(mySsid)); - kfree (ai->flash); - ai->flash = NULL; - - /* The NOP is the first step in getting the card going */ - cmd.cmd = NOP; - cmd.parm0 = cmd.parm1 = cmd.parm2 = 0; - if (lock && down_interruptible(&ai->sem)) - return ERROR; - if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { - if (lock) - up(&ai->sem); - return ERROR; - } - disable_MAC(ai, 0); - - // Let's figure out if we need to use the AUX port - if (!test_bit(FLAG_MPI,&ai->flags)) { - cmd.cmd = CMD_ENABLEAUX; - if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { - if (lock) - up(&ai->sem); - airo_print_err(ai->dev->name, "Error checking for AUX port"); - return ERROR; - } - if (!aux_bap || rsp.status & 0xff00) { - ai->bap_read = fast_bap_read; - airo_print_dbg(ai->dev->name, "Doing fast bap_reads"); - } else { - ai->bap_read = aux_bap_read; - airo_print_dbg(ai->dev->name, "Doing AUX bap_reads"); - } - } - if (lock) - up(&ai->sem); - if (ai->config.len == 0) { - status = airo_readconfig(ai, dev, lock); - if (status != SUCCESS) - return ERROR; - } - - /* Setup the SSIDs if present */ - if (ssids[0]) { - int i; - for (i = 0; i < 3 && ssids[i]; i++) { - size_t len = strlen(ssids[i]); - if (len > 32) - len = 32; - mySsid.ssids[i].len = cpu_to_le16(len); - memcpy(mySsid.ssids[i].ssid, ssids[i], len); - } - mySsid.len = cpu_to_le16(sizeof(mySsid)); - } - - status = writeConfigRid(ai, lock); - if (status != SUCCESS) return ERROR; - - /* Set up the SSID list */ - if (ssids[0]) { - status = writeSsidRid(ai, &mySsid, lock); - if (status != SUCCESS) return ERROR; - } - - status = enable_MAC(ai, lock); - if (status != SUCCESS) - return ERROR; - - /* Grab the initial wep key, we gotta save it for auto_wep */ - rc = readWepKeyRid(ai, &wkr, 1, lock); - if (rc == SUCCESS) do { - lastindex = wkr.kindex; - if (wkr.kindex == cpu_to_le16(0xffff)) { - ai->defindex = wkr.mac[0]; - } - rc = readWepKeyRid(ai, &wkr, 0, lock); - } while (lastindex != wkr.kindex); - - try_auto_wep(ai); - - return SUCCESS; -} - -static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp, - bool may_sleep) -{ - // Im really paranoid about letting it run forever! - int max_tries = 600000; - - if (IN4500(ai, EVSTAT) & EV_CMD) - OUT4500(ai, EVACK, EV_CMD); - - 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 (may_sleep && (max_tries & 255) == 0) - cond_resched(); - } - - if (max_tries == -1) { - airo_print_err(ai->dev->name, - "Max tries exceeded when issuing command"); - if (IN4500(ai, COMMAND) & COMMAND_BUSY) - OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); - return ERROR; - } - - // command completed - pRsp->status = IN4500(ai, STATUS); - pRsp->rsp0 = IN4500(ai, RESP0); - pRsp->rsp1 = IN4500(ai, RESP1); - pRsp->rsp2 = IN4500(ai, RESP2); - if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) - airo_print_err(ai->dev->name, - "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x", - pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1, - pRsp->rsp2); - - // clear stuck command busy if necessary - if (IN4500(ai, COMMAND) & COMMAND_BUSY) { - OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); - } - // acknowledge processing the status/response - OUT4500(ai, EVACK, EV_CMD); - - return SUCCESS; -} - -/* Sets up the bap to start exchange data. whichbap should - * be one of the BAP0 or BAP1 defines. Locks should be held before - * calling! */ -static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap) -{ - int timeout = 50; - int max_tries = 3; - - OUT4500(ai, SELECT0+whichbap, rid); - OUT4500(ai, OFFSET0+whichbap, offset); - while (1) { - int status = IN4500(ai, OFFSET0+whichbap); - if (status & BAP_BUSY) { - /* This isn't really a timeout, but its kinda - close */ - if (timeout--) { - continue; - } - } else if (status & BAP_ERR) { - /* invalid rid or offset */ - airo_print_err(ai->dev->name, "BAP error %x %d", - status, whichbap); - return ERROR; - } else if (status & BAP_DONE) { // success - return SUCCESS; - } - if (!(max_tries--)) { - airo_print_err(ai->dev->name, - "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, __le16 *pu16Dst, - int bytelen, int whichbap) -{ - u16 len; - u16 page; - u16 offset; - u16 next; - int words; - int i; - unsigned long flags; - - spin_lock_irqsave(&ai->aux_lock, flags); - page = IN4500(ai, SWS0+whichbap); - offset = IN4500(ai, SWS2+whichbap); - next = aux_setup(ai, page, offset, &len); - words = (bytelen+1)>>1; - - for (i = 0; i<words;) { - int count; - count = (len>>1) < (words-i) ? (len>>1) : (words-i); - if (!do8bitIO) - insw(ai->dev->base_addr+DATA0+whichbap, - pu16Dst+i, count); - else - insb(ai->dev->base_addr+DATA0+whichbap, - pu16Dst+i, count << 1); - i += count; - if (i<words) { - next = aux_setup(ai, next, 4, &len); - } - } - spin_unlock_irqrestore(&ai->aux_lock, flags); - return SUCCESS; -} - - -/* requires call to bap_setup() first */ -static int fast_bap_read(struct airo_info *ai, __le16 *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 __le16 *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, true); - 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, int lock) -{ - u16 status; - int rc = SUCCESS; - - if (lock) { - if (down_interruptible(&ai->sem)) - return ERROR; - } - if (test_bit(FLAG_MPI,&ai->flags)) { - Cmd cmd; - Resp rsp; - - memset(&cmd, 0, sizeof(cmd)); - memset(&rsp, 0, sizeof(rsp)); - ai->config_desc.rid_desc.valid = 1; - ai->config_desc.rid_desc.len = RIDSIZE; - ai->config_desc.rid_desc.rid = 0; - ai->config_desc.rid_desc.host_addr = ai->ridbus; - - cmd.cmd = CMD_ACCESS; - cmd.parm0 = rid; - - memcpy_toio(ai->config_desc.card_ram_off, - &ai->config_desc.rid_desc, sizeof(Rid)); - - rc = issuecommand(ai, &cmd, &rsp, true); - - if (rsp.status & 0x7f00) - rc = rsp.rsp0; - if (!rc) - memcpy(pBuf, ai->config_desc.virtual_host_addr, len); - goto done; - } else { - if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) { - rc = status; - goto done; - } - if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { - rc = ERROR; - goto done; - } - // read the rid length field - bap_read(ai, pBuf, 2, BAP1); - // length for remaining part of rid - len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2; - - if (len <= 2) { - airo_print_err(ai->dev->name, - "Rid %x has a length of %d which is too short", - (int)rid, (int)len); - rc = ERROR; - goto done; - } - // read remainder of the rid - rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1); - } -done: - if (lock) - up(&ai->sem); - return rc; -} - -/* Note, that we are using BAP1 which is also used by transmit, so - * make sure this isn't called when a transmit is happening */ -static int PC4500_writerid(struct airo_info *ai, u16 rid, - const void *pBuf, int len, int lock) -{ - u16 status; - int rc = SUCCESS; - - *(__le16*)pBuf = cpu_to_le16((u16)len); - - if (lock) { - if (down_interruptible(&ai->sem)) - return ERROR; - } - if (test_bit(FLAG_MPI,&ai->flags)) { - Cmd cmd; - Resp rsp; - - if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid)) - airo_print_err(ai->dev->name, - "%s: MAC should be disabled (rid=%04x)", - __func__, rid); - memset(&cmd, 0, sizeof(cmd)); - memset(&rsp, 0, sizeof(rsp)); - - ai->config_desc.rid_desc.valid = 1; - ai->config_desc.rid_desc.len = *((u16 *)pBuf); - ai->config_desc.rid_desc.rid = 0; - - cmd.cmd = CMD_WRITERID; - cmd.parm0 = rid; - - memcpy_toio(ai->config_desc.card_ram_off, - &ai->config_desc.rid_desc, sizeof(Rid)); - - if (len < 4 || len > 2047) { - airo_print_err(ai->dev->name, "%s: len=%d", __func__, len); - rc = -1; - } else { - memcpy(ai->config_desc.virtual_host_addr, - pBuf, len); - - rc = issuecommand(ai, &cmd, &rsp, true); - if ((rc & 0xff00) != 0) { - airo_print_err(ai->dev->name, "%s: Write rid Error %d", - __func__, rc); - airo_print_err(ai->dev->name, "%s: Cmd=%04x", - __func__, cmd.cmd); - } - - if ((rsp.status & 0x7f00)) - rc = rsp.rsp0; - } - } else { - // --- 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: - if (lock) - up(&ai->sem); - 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, int raw) -{ - unsigned int loop = 3000; - Cmd cmd; - Resp rsp; - u16 txFid; - __le16 txControl; - - cmd.cmd = CMD_ALLOCATETX; - cmd.parm0 = lenPayload; - if (down_interruptible(&ai->sem)) - return ERROR; - if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { - txFid = ERROR; - goto done; - } - if ((rsp.status & 0xFF00) != 0) { - txFid = ERROR; - goto done; - } - /* 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) && --loop); - if (!loop) { - txFid = ERROR; - goto done; - } - - // 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. */ - if (raw) - txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11 - | TXCTL_ETHERNET | TXCTL_NORELEASE); - else - txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3 - | TXCTL_ETHERNET | TXCTL_NORELEASE); - if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) - txFid = ERROR; - else - bap_write(ai, &txControl, sizeof(txControl), BAP1); - -done: - up(&ai->sem); - - 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, int len, char *pPacket, - bool may_sleep) -{ - __le16 payloadLen; - Cmd cmd; - Resp rsp; - int miclen = 0; - u16 txFid = len; - MICBuffer pMic; - - len >>= 16; - - if (len <= ETH_ALEN * 2) { - airo_print_warn(ai->dev->name, "Short packet %d", len); - return ERROR; - } - len -= ETH_ALEN * 2; - - if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && - (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) { - if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS) - return ERROR; - miclen = sizeof(pMic); - } - // 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 + miclen); - bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); - bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1); - if (miclen) - bap_write(ai, (__le16*)&pMic, miclen, BAP1); - bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1); - // issue the transmit command - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = CMD_TRANSMIT; - cmd.parm0 = txFid; - if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS) - return ERROR; - if ((rsp.status & 0xFF00) != 0) return ERROR; - return SUCCESS; -} - -static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket, - bool may_sleep) -{ - __le16 fc, payloadLen; - Cmd cmd; - Resp rsp; - int hdrlen; - static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6}; - /* padding of header to full size + le16 gaplen (6) + gaplen bytes */ - u16 txFid = len; - len >>= 16; - - fc = *(__le16*)pPacket; - hdrlen = header_len(fc); - - if (len < hdrlen) { - airo_print_warn(ai->dev->name, "Short packet %d", len); - return ERROR; - } - - /* packet is 802.11 header + payload - * write the payload length and dst/src/payload */ - if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR; - /* The 802.11 header aren't counted as part of the payload, so - * we have to subtract the header bytes off */ - payloadLen = cpu_to_le16(len-hdrlen); - bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); - if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR; - bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1); - bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1); - - bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1); - // issue the transmit command - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = CMD_TRANSMIT; - cmd.parm0 = txFid; - if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS) - return ERROR; - if ((rsp.status & 0xFF00) != 0) return ERROR; - return SUCCESS; -} - -/* - * This is the proc_fs routines. It is a bit messier than I would - * like! Feel free to clean it up! - */ - -static ssize_t proc_read(struct file *file, - char __user *buffer, - size_t len, - loff_t *offset); - -static ssize_t proc_write(struct file *file, - const char __user *buffer, - size_t len, - loff_t *offset); -static int proc_close(struct inode *inode, struct file *file); - -static int proc_stats_open(struct inode *inode, struct file *file); -static int proc_statsdelta_open(struct inode *inode, struct file *file); -static int proc_status_open(struct inode *inode, struct file *file); -static int proc_SSID_open(struct inode *inode, struct file *file); -static int proc_APList_open(struct inode *inode, struct file *file); -static int proc_BSSList_open(struct inode *inode, struct file *file); -static int proc_config_open(struct inode *inode, struct file *file); -static int proc_wepkey_open(struct inode *inode, struct file *file); - -static const struct proc_ops proc_statsdelta_ops = { - .proc_read = proc_read, - .proc_open = proc_statsdelta_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static const struct proc_ops proc_stats_ops = { - .proc_read = proc_read, - .proc_open = proc_stats_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static const struct proc_ops proc_status_ops = { - .proc_read = proc_read, - .proc_open = proc_status_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static const struct proc_ops proc_SSID_ops = { - .proc_read = proc_read, - .proc_write = proc_write, - .proc_open = proc_SSID_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static const struct proc_ops proc_BSSList_ops = { - .proc_read = proc_read, - .proc_write = proc_write, - .proc_open = proc_BSSList_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static const struct proc_ops proc_APList_ops = { - .proc_read = proc_read, - .proc_write = proc_write, - .proc_open = proc_APList_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static const struct proc_ops proc_config_ops = { - .proc_read = proc_read, - .proc_write = proc_write, - .proc_open = proc_config_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static const struct proc_ops proc_wepkey_ops = { - .proc_read = proc_read, - .proc_write = proc_write, - .proc_open = proc_wepkey_open, - .proc_release = proc_close, - .proc_lseek = default_llseek, -}; - -static struct proc_dir_entry *airo_entry; - -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 */ - strcpy(apriv->proc_name, dev->name); - apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm, - airo_entry); - if (!apriv->proc_entry) - return -ENOMEM; - proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid); - - /* Setup the StatsDelta */ - entry = proc_create_data("StatsDelta", 0444 & proc_perm, - apriv->proc_entry, &proc_statsdelta_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - - /* Setup the Stats */ - entry = proc_create_data("Stats", 0444 & proc_perm, - apriv->proc_entry, &proc_stats_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - - /* Setup the Status */ - entry = proc_create_data("Status", 0444 & proc_perm, - apriv->proc_entry, &proc_status_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - - /* Setup the Config */ - entry = proc_create_data("Config", proc_perm, - apriv->proc_entry, &proc_config_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - - /* Setup the SSID */ - entry = proc_create_data("SSID", proc_perm, - apriv->proc_entry, &proc_SSID_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - - /* Setup the APList */ - entry = proc_create_data("APList", proc_perm, - apriv->proc_entry, &proc_APList_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - - /* Setup the BSSList */ - entry = proc_create_data("BSSList", proc_perm, - apriv->proc_entry, &proc_BSSList_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - - /* Setup the WepKey */ - entry = proc_create_data("WepKey", proc_perm, - apriv->proc_entry, &proc_wepkey_ops, dev); - if (!entry) - goto fail; - proc_set_user(entry, proc_kuid, proc_kgid); - return 0; - -fail: - remove_proc_subtree(apriv->proc_name, airo_entry); - return -ENOMEM; -} - -static int takedown_proc_entry(struct net_device *dev, - struct airo_info *apriv) -{ - remove_proc_subtree(apriv->proc_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 __user *buffer, - size_t len, - loff_t *offset) -{ - struct proc_data *priv = file->private_data; - - if (!priv->rbuffer) - return -EINVAL; - - return simple_read_from_buffer(buffer, len, offset, priv->rbuffer, - priv->readlen); -} - -/* - * 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 __user *buffer, - size_t len, - loff_t *offset) -{ - ssize_t ret; - struct proc_data *priv = file->private_data; - - if (!priv->wbuffer) - return -EINVAL; - - ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset, - buffer, len); - if (ret > 0) - priv->writelen = max_t(int, priv->writelen, *offset); - - return ret; -} - -static int proc_status_open(struct inode *inode, struct file *file) -{ - struct proc_data *data; - struct net_device *dev = pde_data(inode); - struct airo_info *apriv = dev->ml_priv; - CapabilityRid cap_rid; - StatusRid status_rid; - u16 mode; - int i; - - if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) - return -ENOMEM; - data = file->private_data; - if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { - kfree (file->private_data); - return -ENOMEM; - } - - readStatusRid(apriv, &status_rid, 1); - readCapabilityRid(apriv, &cap_rid, 1); - - mode = le16_to_cpu(status_rid.mode); - - i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n", - mode & 1 ? "CFG ": "", - mode & 2 ? "ACT ": "", - mode & 0x10 ? "SYN ": "", - mode & 0x20 ? "LNK ": "", - mode & 0x40 ? "LEAP ": "", - mode & 0x80 ? "PRIV ": "", - mode & 0x100 ? "KEY ": "", - mode & 0x200 ? "WEP ": "", - mode & 0x8000 ? "ERR ": ""); - sprintf(data->rbuffer+i, "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", - le16_to_cpu(status_rid.mode), - le16_to_cpu(status_rid.normalizedSignalStrength), - le16_to_cpu(status_rid.signalQuality), - le16_to_cpu(status_rid.SSIDlen), - status_rid.SSID, - status_rid.apName, - le16_to_cpu(status_rid.channel), - le16_to_cpu(status_rid.currentXmitRate) / 2, - version, - cap_rid.prodName, - cap_rid.manName, - cap_rid.prodVer, - le16_to_cpu(cap_rid.radioType), - le16_to_cpu(cap_rid.country), - le16_to_cpu(cap_rid.hardVer), - le16_to_cpu(cap_rid.softVer), - le16_to_cpu(cap_rid.softSubVer), - le16_to_cpu(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 net_device *dev = pde_data(inode); - struct airo_info *apriv = dev->ml_priv; - StatsRid stats; - int i, j; - __le32 *vals = stats.vals; - int len; - - if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) - return -ENOMEM; - data = file->private_data; - if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) { - kfree (file->private_data); - return -ENOMEM; - } - - readStatsRid(apriv, &stats, rid, 1); - len = le16_to_cpu(stats.len); - - j = 0; - for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) { - if (!statsLabels[i]) continue; - if (j+strlen(statsLabels[i])+16>4096) { - airo_print_warn(apriv->dev->name, - "Potentially disastrous buffer overflow averted!"); - break; - } - j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], - le32_to_cpu(vals[i])); - } - if (i*4 >= len) { - airo_print_warn(apriv->dev->name, "Got a short rid"); - } - data->readlen = j; - return 0; -} - -static int get_dec_u16(char *buffer, int *start, int limit) -{ - u16 value; - int valid = 0; - for (value = 0; *start < limit && buffer[*start] >= '0' && - buffer[*start] <= '9'; (*start)++) { - valid = 1; - value *= 10; - value += buffer[*start] - '0'; - } - if (!valid) return -1; - return value; -} - -static int airo_config_commit(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra); - -static inline int sniffing_mode(struct airo_info *ai) -{ - return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >= - le16_to_cpu(RXMODE_RFMON); -} - -static void proc_config_on_close(struct inode *inode, struct file *file) -{ - struct proc_data *data = file->private_data; - struct net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - char *line; - - if (!data->writelen) return; - - readConfigRid(ai, 1); - set_bit (FLAG_COMMIT, &ai->flags); - - line = data->wbuffer; - while (line[0]) { -/*** Mode processing */ - if (!strncmp(line, "Mode: ", 6)) { - line += 6; - if (sniffing_mode(ai)) - set_bit (FLAG_RESET, &ai->flags); - ai->config.rmode &= ~RXMODE_FULL_MASK; - clear_bit (FLAG_802_11, &ai->flags); - ai->config.opmode &= ~MODE_CFG_MASK; - ai->config.scanMode = SCANMODE_ACTIVE; - if (line[0] == 'a') { - ai->config.opmode |= MODE_STA_IBSS; - } else { - ai->config.opmode |= MODE_STA_ESS; - if (line[0] == 'r') { - ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; - ai->config.scanMode = SCANMODE_PASSIVE; - set_bit (FLAG_802_11, &ai->flags); - } else if (line[0] == 'y') { - ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER; - ai->config.scanMode = SCANMODE_PASSIVE; - set_bit (FLAG_802_11, &ai->flags); - } else if (line[0] == 'l') - ai->config.rmode |= RXMODE_LANMON; - } - set_bit (FLAG_COMMIT, &ai->flags); - } - -/*** Radio status */ - else if (!strncmp(line,"Radio: ", 7)) { - line += 7; - if (!strncmp(line,"off", 3)) { - set_bit (FLAG_RADIO_OFF, &ai->flags); - } else { - clear_bit (FLAG_RADIO_OFF, &ai->flags); - } - } -/*** NodeName processing */ - else if (!strncmp(line, "NodeName: ", 10)) { - int j; - - line += 10; - memset(ai->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++) { - ai->config.nodeName[j] = line[j]; - } - set_bit (FLAG_COMMIT, &ai->flags); - } - -/*** PowerMode processing */ - else if (!strncmp(line, "PowerMode: ", 11)) { - line += 11; - if (!strncmp(line, "PSPCAM", 6)) { - ai->config.powerSaveMode = POWERSAVE_PSPCAM; - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "PSP", 3)) { - ai->config.powerSaveMode = POWERSAVE_PSP; - set_bit (FLAG_COMMIT, &ai->flags); - } else { - ai->config.powerSaveMode = POWERSAVE_CAM; - set_bit (FLAG_COMMIT, &ai->flags); - } - } 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) { - ai->config.rates[k++] = (u8)v; - line += i + 1; - i = 0; - } - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "Channel: ", 9)) { - int v, i = 0; - line += 9; - v = get_dec_u16(line, &i, i+3); - if (v != -1) { - ai->config.channelSet = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } - } else if (!strncmp(line, "XmitPower: ", 11)) { - int v, i = 0; - line += 11; - v = get_dec_u16(line, &i, i+3); - if (v != -1) { - ai->config.txPower = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } - } else if (!strncmp(line, "WEP: ", 5)) { - line += 5; - switch(line[0]) { - case 's': - set_auth_type(ai, AUTH_SHAREDKEY); - break; - case 'e': - set_auth_type(ai, AUTH_ENCRYPT); - break; - default: - set_auth_type(ai, AUTH_OPEN); - break; - } - set_bit (FLAG_COMMIT, &ai->flags); - } 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); - ai->config.longRetryLimit = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } 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); - ai->config.shortRetryLimit = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "RTSThreshold: ", 14)) { - int v, i = 0; - - line += 14; - v = get_dec_u16(line, &i, 4); - v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); - ai->config.rtsThres = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "TXMSDULifetime: ", 16)) { - int v, i = 0; - - line += 16; - v = get_dec_u16(line, &i, 5); - v = (v<0) ? 0 : v; - ai->config.txLifetime = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "RXMSDULifetime: ", 16)) { - int v, i = 0; - - line += 16; - v = get_dec_u16(line, &i, 5); - v = (v<0) ? 0 : v; - ai->config.rxLifetime = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "TXDiversity: ", 13)) { - ai->config.txDiversity = - (line[13]=='l') ? 1 : - ((line[13]=='r')? 2: 3); - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "RXDiversity: ", 13)) { - ai->config.rxDiversity = - (line[13]=='l') ? 1 : - ((line[13]=='r')? 2: 3); - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "FragThreshold: ", 15)) { - int v, i = 0; - - line += 15; - v = get_dec_u16(line, &i, 4); - v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); - v = v & 0xfffe; /* Make sure its even */ - ai->config.fragThresh = cpu_to_le16(v); - set_bit (FLAG_COMMIT, &ai->flags); - } else if (!strncmp(line, "Modulation: ", 12)) { - line += 12; - switch(*line) { - case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break; - case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break; - case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break; - default: airo_print_warn(ai->dev->name, "Unknown modulation"); - } - } else if (!strncmp(line, "Preamble: ", 10)) { - line += 10; - switch(*line) { - case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break; - case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break; - case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break; - default: airo_print_warn(ai->dev->name, "Unknown preamble"); - } - } else { - airo_print_warn(ai->dev->name, "Couldn't figure out %s", line); - } - while (line[0] && line[0] != '\n') line++; - if (line[0]) line++; - } - airo_config_commit(dev, NULL, NULL, NULL); -} - -static const char *get_rmode(__le16 mode) -{ - switch(mode & RXMODE_MASK) { - case RXMODE_RFMON: return "rfmon"; - case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon"; - case RXMODE_LANMON: return "lanmon"; - } - return "ESS"; -} - -static int proc_config_open(struct inode *inode, struct file *file) -{ - struct proc_data *data; - struct net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - int i; - __le16 mode; - - if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) - return -ENOMEM; - data = file->private_data; - if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { - kfree (file->private_data); - return -ENOMEM; - } - if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) { - kfree (data->rbuffer); - kfree (file->private_data); - return -ENOMEM; - } - data->maxwritelen = 2048; - data->on_close = proc_config_on_close; - - readConfigRid(ai, 1); - - mode = ai->config.opmode & MODE_CFG_MASK; - 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", - mode == MODE_STA_IBSS ? "adhoc" : - mode == MODE_STA_ESS ? get_rmode(ai->config.rmode): - mode == MODE_AP ? "AP" : - mode == MODE_AP_RPTR ? "AP RPTR" : "Error", - test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on", - ai->config.nodeName, - ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" : - ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" : - ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" : - "Error", - (int)ai->config.rates[0], - (int)ai->config.rates[1], - (int)ai->config.rates[2], - (int)ai->config.rates[3], - (int)ai->config.rates[4], - (int)ai->config.rates[5], - (int)ai->config.rates[6], - (int)ai->config.rates[7], - le16_to_cpu(ai->config.channelSet), - le16_to_cpu(ai->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" - "Preamble: %s\n", - le16_to_cpu(ai->config.longRetryLimit), - le16_to_cpu(ai->config.shortRetryLimit), - le16_to_cpu(ai->config.rtsThres), - le16_to_cpu(ai->config.txLifetime), - le16_to_cpu(ai->config.rxLifetime), - ai->config.txDiversity == 1 ? "left" : - ai->config.txDiversity == 2 ? "right" : "both", - ai->config.rxDiversity == 1 ? "left" : - ai->config.rxDiversity == 2 ? "right" : "both", - le16_to_cpu(ai->config.fragThresh), - ai->config.authType == AUTH_ENCRYPT ? "encrypt" : - ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open", - ai->config.modulation == MOD_DEFAULT ? "default" : - ai->config.modulation == MOD_CCK ? "cck" : - ai->config.modulation == MOD_MOK ? "mok" : "error", - ai->config.preamble == PREAMBLE_AUTO ? "auto" : - ai->config.preamble == PREAMBLE_LONG ? "long" : - ai->config.preamble == PREAMBLE_SHORT ? "short" : "error" - ); - data->readlen = strlen(data->rbuffer); - return 0; -} - -static void proc_SSID_on_close(struct inode *inode, struct file *file) -{ - struct proc_data *data = file->private_data; - struct net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - SsidRid SSID_rid; - int i; - char *p = data->wbuffer; - char *end = p + data->writelen; - - if (!data->writelen) - return; - - *end = '\n'; /* sentinel; we have space for it */ - - memset(&SSID_rid, 0, sizeof(SSID_rid)); - - for (i = 0; i < 3 && p < end; i++) { - int j = 0; - /* copy up to 32 characters from this line */ - while (*p != '\n' && j < 32) - SSID_rid.ssids[i].ssid[j++] = *p++; - if (j == 0) - break; - SSID_rid.ssids[i].len = cpu_to_le16(j); - /* skip to the beginning of the next line */ - while (*p++ != '\n') - ; - } - if (i) - SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); - disable_MAC(ai, 1); - writeSsidRid(ai, &SSID_rid, 1); - enable_MAC(ai, 1); -} - -static void proc_APList_on_close(struct inode *inode, struct file *file) -{ - struct proc_data *data = file->private_data; - struct net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - APListRid *APList_rid = &ai->APList; - int i; - - if (!data->writelen) return; - - memset(APList_rid, 0, sizeof(*APList_rid)); - APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); - - for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++) - mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]); - - disable_MAC(ai, 1); - writeAPListRid(ai, APList_rid, 1); - enable_MAC(ai, 1); -} - -/* 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 dummy) -{ - int rc; - - disable_MAC(ai, 1); - rc = PC4500_writerid(ai, rid, rid_data, len, 1); - enable_MAC(ai, 1); - return rc; -} - -/* Returns the WEP key at the specified index, or -1 if that key does - * not exist. The buffer is assumed to be at least 16 bytes in length. - */ -static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen) -{ - WepKeyRid wkr; - int rc; - __le16 lastindex; - - rc = readWepKeyRid(ai, &wkr, 1, 1); - if (rc != SUCCESS) - return -1; - do { - lastindex = wkr.kindex; - if (le16_to_cpu(wkr.kindex) == index) { - int klen = min_t(int, buflen, le16_to_cpu(wkr.klen)); - memcpy(buf, wkr.key, klen); - return klen; - } - rc = readWepKeyRid(ai, &wkr, 0, 1); - if (rc != SUCCESS) - return -1; - } while (lastindex != wkr.kindex); - return -1; -} - -static int get_wep_tx_idx(struct airo_info *ai) -{ - WepKeyRid wkr; - int rc; - __le16 lastindex; - - rc = readWepKeyRid(ai, &wkr, 1, 1); - if (rc != SUCCESS) - return -1; - do { - lastindex = wkr.kindex; - if (wkr.kindex == cpu_to_le16(0xffff)) - return wkr.mac[0]; - rc = readWepKeyRid(ai, &wkr, 0, 1); - if (rc != SUCCESS) - return -1; - } while (lastindex != wkr.kindex); - return -1; -} - -static int set_wep_key(struct airo_info *ai, u16 index, const u8 *key, - u16 keylen, int perm, int lock) -{ - static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; - WepKeyRid wkr; - int rc; - - if (WARN_ON(keylen == 0)) - return -1; - - memset(&wkr, 0, sizeof(wkr)); - wkr.len = cpu_to_le16(sizeof(wkr)); - wkr.kindex = cpu_to_le16(index); - wkr.klen = cpu_to_le16(keylen); - memcpy(wkr.key, key, keylen); - memcpy(wkr.mac, macaddr, ETH_ALEN); - - if (perm) disable_MAC(ai, lock); - rc = writeWepKeyRid(ai, &wkr, perm, lock); - if (perm) enable_MAC(ai, lock); - return rc; -} - -static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock) -{ - WepKeyRid wkr; - int rc; - - memset(&wkr, 0, sizeof(wkr)); - wkr.len = cpu_to_le16(sizeof(wkr)); - wkr.kindex = cpu_to_le16(0xffff); - wkr.mac[0] = (char)index; - - if (perm) { - ai->defindex = (char)index; - disable_MAC(ai, lock); - } - - rc = writeWepKeyRid(ai, &wkr, perm, lock); - - if (perm) - enable_MAC(ai, lock); - return rc; -} - -static void proc_wepkey_on_close(struct inode *inode, struct file *file) -{ - struct proc_data *data; - struct net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - int i, rc; - u8 key[16]; - u16 index = 0; - int j = 0; - - memset(key, 0, sizeof(key)); - - 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') { - rc = set_wep_tx_idx(ai, index, 1, 1); - if (rc < 0) { - airo_print_err(ai->dev->name, "failed to set " - "WEP transmit index to %d: %d.", - index, rc); - } - return; - } - j = 2; - } else { - airo_print_err(ai->dev->name, "WepKey passed invalid key index"); - return; - } - - for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) { - int val; - - if (i % 3 == 2) - continue; - - val = hex_to_bin(data->wbuffer[i+j]); - if (val < 0) { - airo_print_err(ai->dev->name, "WebKey passed invalid key hex"); - return; - } - switch(i%3) { - case 0: - key[i/3] = (u8)val << 4; - break; - case 1: - key[i/3] |= (u8)val; - break; - } - } - - rc = set_wep_key(ai, index, key, i/3, 1, 1); - if (rc < 0) { - airo_print_err(ai->dev->name, "failed to set WEP key at index " - "%d: %d.", index, rc); - } -} - -static int proc_wepkey_open(struct inode *inode, struct file *file) -{ - struct proc_data *data; - struct net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - char *ptr; - WepKeyRid wkr; - __le16 lastindex; - int j = 0; - int rc; - - if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) - return -ENOMEM; - memset(&wkr, 0, sizeof(wkr)); - data = file->private_data; - if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) { - kfree (file->private_data); - return -ENOMEM; - } - data->writelen = 0; - data->maxwritelen = 80; - if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) { - kfree (data->rbuffer); - kfree (file->private_data); - return -ENOMEM; - } - data->on_close = proc_wepkey_on_close; - - ptr = data->rbuffer; - strcpy(ptr, "No wep keys\n"); - rc = readWepKeyRid(ai, &wkr, 1, 1); - if (rc == SUCCESS) do { - lastindex = wkr.kindex; - if (wkr.kindex == cpu_to_le16(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", - le16_to_cpu(wkr.kindex), - le16_to_cpu(wkr.klen)); - } - readWepKeyRid(ai, &wkr, 0, 1); - } 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 net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - int i; - char *ptr; - SsidRid SSID_rid; - - if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) - return -ENOMEM; - 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; - /* allocate maxwritelen + 1; we'll want a sentinel */ - if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) { - kfree (data->rbuffer); - kfree (file->private_data); - return -ENOMEM; - } - data->on_close = proc_SSID_on_close; - - readSsidRid(ai, &SSID_rid); - ptr = data->rbuffer; - for (i = 0; i < 3; i++) { - int j; - size_t len = le16_to_cpu(SSID_rid.ssids[i].len); - if (!len) - break; - if (len > 32) - len = 32; - for (j = 0; j < 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 net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - int i; - char *ptr; - APListRid *APList_rid = &ai->APList; - - if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) - return -ENOMEM; - 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 = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) { - kfree (data->rbuffer); - kfree (file->private_data); - return -ENOMEM; - } - data->on_close = proc_APList_on_close; - - 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, "%pM\n", APList_rid->ap[i]); - } - if (i==0) ptr += sprintf(ptr, "Not using specific APs\n"); - - *ptr = '\0'; - data->readlen = strlen(data->rbuffer); - return 0; -} - -static int proc_BSSList_open(struct inode *inode, struct file *file) -{ - struct proc_data *data; - struct net_device *dev = pde_data(inode); - struct airo_info *ai = dev->ml_priv; - char *ptr; - BSSListRid BSSList_rid; - int rc; - /* If doLoseSync is not 1, we won't do a Lose Sync */ - int doLoseSync = -1; - - if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) - return -ENOMEM; - data = file->private_data; - if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) { - kfree (file->private_data); - return -ENOMEM; - } - data->writelen = 0; - data->maxwritelen = 0; - data->wbuffer = NULL; - data->on_close = NULL; - - if (file->f_mode & FMODE_WRITE) { - if (!(file->f_mode & FMODE_READ)) { - Cmd cmd; - Resp rsp; - - if (ai->flags & FLAG_RADIO_MASK) { - kfree(data->rbuffer); - kfree(file->private_data); - return -ENETDOWN; - } - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = CMD_LISTBSS; - if (down_interruptible(&ai->sem)) { - kfree(data->rbuffer); - kfree(file->private_data); - return -ERESTARTSYS; - } - issuecommand(ai, &cmd, &rsp, true); - up(&ai->sem); - data->readlen = 0; - return 0; - } - doLoseSync = 1; - } - ptr = data->rbuffer; - /* There is a race condition here if there are concurrent opens. - Since it is a rare condition, we'll just live with it, otherwise - we have to add a spin lock... */ - rc = readBSSListRid(ai, doLoseSync, &BSSList_rid); - while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) { - ptr += sprintf(ptr, "%pM %.*s rssi = %d", - BSSList_rid.bssid, - (int)BSSList_rid.ssidLen, - BSSList_rid.ssid, - le16_to_cpu(BSSList_rid.dBm)); - ptr += sprintf(ptr, " channel = %d %s %s %s %s\n", - le16_to_cpu(BSSList_rid.dsChannel), - BSSList_rid.cap & CAP_ESS ? "ESS" : "", - BSSList_rid.cap & CAP_IBSS ? "adhoc" : "", - BSSList_rid.cap & CAP_PRIVACY ? "wep" : "", - BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : ""); - rc = readBSSListRid(ai, 0, &BSSList_rid); - } - *ptr = '\0'; - data->readlen = strlen(data->rbuffer); - return 0; -} - -static int proc_close(struct inode *inode, struct file *file) -{ - struct proc_data *data = file->private_data; - - if (data->on_close != NULL) - data->on_close(inode, file); - kfree(data->rbuffer); - kfree(data->wbuffer); - kfree(data); - return 0; -} - -/* Since the card doesn't 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(struct net_device *dev) -{ - struct airo_info *apriv = dev->ml_priv; - -/* We don't have a link so try changing the authtype */ - readConfigRid(apriv, 0); - disable_MAC(apriv, 0); - switch(apriv->config.authType) { - case AUTH_ENCRYPT: -/* So drop to OPEN */ - apriv->config.authType = AUTH_OPEN; - break; - case AUTH_SHAREDKEY: - if (apriv->keyindex < auto_wep) { - set_wep_tx_idx(apriv, apriv->keyindex, 0, 0); - apriv->config.authType = AUTH_SHAREDKEY; - apriv->keyindex++; - } else { - /* Drop to ENCRYPT */ - apriv->keyindex = 0; - set_wep_tx_idx(apriv, apriv->defindex, 0, 0); - apriv->config.authType = AUTH_ENCRYPT; - } - break; - default: /* We'll escalate to SHAREDKEY */ - apriv->config.authType = AUTH_SHAREDKEY; - } - set_bit (FLAG_COMMIT, &apriv->flags); - writeConfigRid(apriv, 0); - enable_MAC(apriv, 0); - up(&apriv->sem); - -/* Schedule check to see if the change worked */ - clear_bit(JOB_AUTOWEP, &apriv->jobs); - apriv->expires = RUN_AT(HZ*3); -} - -#ifdef CONFIG_PCI -static int airo_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *pent) -{ - struct net_device *dev; - - if (pci_enable_device(pdev)) - return -ENODEV; - pci_set_master(pdev); - - if (pdev->device == 0x5000 || pdev->device == 0xa504) - dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); - else - dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); - if (!dev) { - pci_disable_device(pdev); - return -ENODEV; - } - - pci_set_drvdata(pdev, dev); - return 0; -} - -static void airo_pci_remove(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - - airo_print_info(dev->name, "Unregistering..."); - stop_airo_card(dev, 1); - pci_disable_device(pdev); -} - -static int __maybe_unused airo_pci_suspend(struct device *dev_d) -{ - struct net_device *dev = dev_get_drvdata(dev_d); - struct airo_info *ai = dev->ml_priv; - Cmd cmd; - Resp rsp; - - if (!ai->SSID) - ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL); - if (!ai->SSID) - return -ENOMEM; - readSsidRid(ai, ai->SSID); - memset(&cmd, 0, sizeof(cmd)); - /* the lock will be released at the end of the resume callback */ - if (down_interruptible(&ai->sem)) - return -EAGAIN; - disable_MAC(ai, 0); - netif_device_detach(dev); - ai->power = PMSG_SUSPEND; - cmd.cmd = HOSTSLEEP; - issuecommand(ai, &cmd, &rsp, true); - - device_wakeup_enable(dev_d); - return 0; -} - -static int __maybe_unused airo_pci_resume(struct device *dev_d) -{ - struct net_device *dev = dev_get_drvdata(dev_d); - struct airo_info *ai = dev->ml_priv; - pci_power_t prev_state = to_pci_dev(dev_d)->current_state; - - device_wakeup_disable(dev_d); - - if (prev_state != PCI_D1) { - reset_card(dev, 0); - mpi_init_descriptors(ai); - setup_card(ai, dev, 0); - clear_bit(FLAG_RADIO_OFF, &ai->flags); - clear_bit(FLAG_PENDING_XMIT, &ai->flags); - } else { - OUT4500(ai, EVACK, EV_AWAKEN); - OUT4500(ai, EVACK, EV_AWAKEN); - msleep(100); - } - - set_bit(FLAG_COMMIT, &ai->flags); - disable_MAC(ai, 0); - msleep(200); - if (ai->SSID) { - writeSsidRid(ai, ai->SSID, 0); - kfree(ai->SSID); - ai->SSID = NULL; - } - writeAPListRid(ai, &ai->APList, 0); - writeConfigRid(ai, 0); - enable_MAC(ai, 0); - ai->power = PMSG_ON; - netif_device_attach(dev); - netif_wake_queue(dev); - enable_interrupts(ai); - up(&ai->sem); - return 0; -} -#endif - -static int __init airo_init_module(void) -{ - int i; - - proc_kuid = make_kuid(&init_user_ns, proc_uid); - proc_kgid = make_kgid(&init_user_ns, proc_gid); - if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid)) - return -EINVAL; - - airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL); - - if (airo_entry) - proc_set_user(airo_entry, proc_kuid, proc_kgid); - - for (i = 0; i < 4 && io[i] && irq[i]; i++) { - airo_print_info("", "Trying to configure ISA adapter at irq=%d " - "io = 0x%x", irq[i], io[i]); - if (init_airo_card(irq[i], io[i], 0, NULL)) { - /* do nothing */ ; - } - } - -#ifdef CONFIG_PCI - airo_print_info("", "Probing for PCI adapters"); - i = pci_register_driver(&airo_driver); - airo_print_info("", "Finished probing for PCI adapters"); - - if (i) { - remove_proc_entry("driver/aironet", NULL); - return i; - } -#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) -{ - struct airo_info *ai; - while (!list_empty(&airo_devices)) { - ai = list_entry(airo_devices.next, struct airo_info, dev_list); - airo_print_info(ai->dev->name, "Unregistering..."); - stop_airo_card(ai->dev, 1); - } -#ifdef CONFIG_PCI - pci_unregister_driver(&airo_driver); -#endif - remove_proc_entry("driver/aironet", NULL); -} - -/* - * Initial Wireless Extension code for Aironet driver by : - * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00 - * Conversion to new driver API by : - * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02 - * Javier also did a good amount of work here, adding some new extensions - * and fixing my code. Let's just say that without him this code just - * would not work at all... - Jean II - */ - -static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi) -{ - if (!rssi_rid) - return 0; - - return (0x100 - rssi_rid[rssi].rssidBm); -} - -static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm) -{ - int i; - - if (!rssi_rid) - return 0; - - for (i = 0; i < 256; i++) - if (rssi_rid[i].rssidBm == dbm) - return rssi_rid[i].rssipct; - - return 0; -} - - -static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid) -{ - int quality = 0; - u16 sq; - - if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f)) - return 0; - - if (!(cap_rid->hardCap & cpu_to_le16(8))) - return 0; - - sq = le16_to_cpu(status_rid->signalQuality); - if (memcmp(cap_rid->prodName, "350", 3)) - if (sq > 0x20) - quality = 0; - else - quality = 0x20 - sq; - else - if (sq > 0xb0) - quality = 0; - else if (sq < 0x10) - quality = 0xa0; - else - quality = 0xb0 - sq; - return quality; -} - -#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0) -#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50) - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get protocol name - */ -static int airo_get_name(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *cwrq, - char *extra) -{ - strcpy(cwrq->name, "IEEE 802.11-DS"); - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set frequency - */ -static int airo_set_freq(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_freq *fwrq = &wrqu->freq; - struct airo_info *local = dev->ml_priv; - int rc = -EINPROGRESS; /* Call commit handler */ - - /* If setting by frequency, convert to a channel */ - if (fwrq->e == 1) { - int f = fwrq->m / 100000; - - /* Hack to fall through... */ - fwrq->e = 0; - fwrq->m = ieee80211_frequency_to_channel(f); - } - /* Setting by channel number */ - if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0) - rc = -EOPNOTSUPP; - else { - int channel = fwrq->m; - /* We should do a better check than that, - * based on the card capability !!! */ - if ((channel < 1) || (channel > 14)) { - airo_print_dbg(dev->name, "New channel value of %d is invalid!", - fwrq->m); - rc = -EINVAL; - } else { - readConfigRid(local, 1); - /* Yes ! We can set it !!! */ - local->config.channelSet = cpu_to_le16(channel); - set_bit (FLAG_COMMIT, &local->flags); - } - } - return rc; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get frequency - */ -static int airo_get_freq(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_freq *fwrq = &wrqu->freq; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - int ch; - - readConfigRid(local, 1); - if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS) - status_rid.channel = local->config.channelSet; - else - readStatusRid(local, &status_rid, 1); - - ch = le16_to_cpu(status_rid.channel); - if ((ch > 0) && (ch < 15)) { - fwrq->m = 100000 * - ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ); - fwrq->e = 1; - } else { - fwrq->m = ch; - fwrq->e = 0; - } - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set ESSID - */ -static int airo_set_essid(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->essid; - struct airo_info *local = dev->ml_priv; - SsidRid SSID_rid; /* SSIDs */ - - /* Reload the list of current SSID */ - readSsidRid(local, &SSID_rid); - - /* Check if we asked for `any' */ - if (dwrq->flags == 0) { - /* Just send an empty SSID list */ - memset(&SSID_rid, 0, sizeof(SSID_rid)); - } else { - unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - - /* Check the size of the string */ - if (dwrq->length > IW_ESSID_MAX_SIZE) - return -E2BIG ; - - /* Check if index is valid */ - if (index >= ARRAY_SIZE(SSID_rid.ssids)) - return -EINVAL; - - /* Set the SSID */ - memset(SSID_rid.ssids[index].ssid, 0, - sizeof(SSID_rid.ssids[index].ssid)); - memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length); - SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length); - } - SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); - /* Write it to the card */ - disable_MAC(local, 1); - writeSsidRid(local, &SSID_rid, 1); - enable_MAC(local, 1); - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get ESSID - */ -static int airo_get_essid(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->essid; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - - readStatusRid(local, &status_rid, 1); - - /* Note : if dwrq->flags != 0, we should - * get the relevant SSID from the SSID list... */ - - /* Get the current SSID */ - memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen)); - /* If none, we may want to get the one that was set */ - - /* Push it out ! */ - dwrq->length = le16_to_cpu(status_rid.SSIDlen); - dwrq->flags = 1; /* active */ - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set AP address - */ -static int airo_set_wap(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct sockaddr *awrq = &wrqu->ap_addr; - struct airo_info *local = dev->ml_priv; - Cmd cmd; - Resp rsp; - APListRid *APList_rid = &local->APList; - - if (awrq->sa_family != ARPHRD_ETHER) - return -EINVAL; - else if (is_broadcast_ether_addr(awrq->sa_data) || - is_zero_ether_addr(awrq->sa_data)) { - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = CMD_LOSE_SYNC; - if (down_interruptible(&local->sem)) - return -ERESTARTSYS; - issuecommand(local, &cmd, &rsp, true); - up(&local->sem); - } else { - memset(APList_rid, 0, sizeof(*APList_rid)); - APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); - memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN); - disable_MAC(local, 1); - writeAPListRid(local, APList_rid, 1); - enable_MAC(local, 1); - } - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get AP address - */ -static int airo_get_wap(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct sockaddr *awrq = &wrqu->ap_addr; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - - readStatusRid(local, &status_rid, 1); - - /* Tentative. This seems to work, wow, I'm lucky !!! */ - memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN); - awrq->sa_family = ARPHRD_ETHER; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Nickname - */ -static int airo_set_nick(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - - /* Check the size of the string */ - if (dwrq->length > 16) { - return -E2BIG; - } - readConfigRid(local, 1); - memset(local->config.nodeName, 0, sizeof(local->config.nodeName)); - memcpy(local->config.nodeName, extra, dwrq->length); - set_bit (FLAG_COMMIT, &local->flags); - - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Nickname - */ -static int airo_get_nick(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - strncpy(extra, local->config.nodeName, 16); - extra[16] = '\0'; - dwrq->length = strlen(extra); - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Bit-Rate - */ -static int airo_set_rate(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->bitrate; - struct airo_info *local = dev->ml_priv; - CapabilityRid cap_rid; /* Card capability info */ - u8 brate = 0; - int i; - - /* First : get a valid bit rate value */ - readCapabilityRid(local, &cap_rid, 1); - - /* Which type of value ? */ - if ((vwrq->value < 8) && (vwrq->value >= 0)) { - /* Setting by rate index */ - /* Find value in the magic rate table */ - brate = cap_rid.supportedRates[vwrq->value]; - } else { - /* Setting by frequency value */ - u8 normvalue = (u8) (vwrq->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 (vwrq->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) { - return -EINVAL; - } - - readConfigRid(local, 1); - /* Now, check if we want a fixed or auto value */ - if (vwrq->fixed == 0) { - /* Fill all the rates up to this max rate */ - memset(local->config.rates, 0, 8); - for (i = 0 ; i < 8 ; i++) { - local->config.rates[i] = cap_rid.supportedRates[i]; - if (local->config.rates[i] == brate) - break; - } - } else { - /* Fixed mode */ - /* One rate, fixed */ - memset(local->config.rates, 0, 8); - local->config.rates[0] = brate; - } - set_bit (FLAG_COMMIT, &local->flags); - - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Bit-Rate - */ -static int airo_get_rate(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->bitrate; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - int ret; - - ret = readStatusRid(local, &status_rid, 1); - if (ret) - return -EBUSY; - - vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; - /* If more than one rate, set auto */ - readConfigRid(local, 1); - vwrq->fixed = (local->config.rates[1] == 0); - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set RTS threshold - */ -static int airo_set_rts(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->rts; - struct airo_info *local = dev->ml_priv; - int rthr = vwrq->value; - - if (vwrq->disabled) - rthr = AIRO_DEF_MTU; - if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) { - return -EINVAL; - } - readConfigRid(local, 1); - local->config.rtsThres = cpu_to_le16(rthr); - set_bit (FLAG_COMMIT, &local->flags); - - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get RTS threshold - */ -static int airo_get_rts(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->rts; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - vwrq->value = le16_to_cpu(local->config.rtsThres); - vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); - vwrq->fixed = 1; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Fragmentation threshold - */ -static int airo_set_frag(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct iw_param *vwrq = &wrqu->frag; - struct airo_info *local = dev->ml_priv; - int fthr = vwrq->value; - - if (vwrq->disabled) - fthr = AIRO_DEF_MTU; - if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) { - return -EINVAL; - } - fthr &= ~0x1; /* Get an even value - is it really needed ??? */ - readConfigRid(local, 1); - local->config.fragThresh = cpu_to_le16(fthr); - set_bit (FLAG_COMMIT, &local->flags); - - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Fragmentation threshold - */ -static int airo_get_frag(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->frag; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - vwrq->value = le16_to_cpu(local->config.fragThresh); - vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); - vwrq->fixed = 1; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Mode of Operation - */ -static int airo_set_mode(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *uwrq, - char *extra) -{ - __u32 mode = uwrq->mode; - struct airo_info *local = dev->ml_priv; - int reset = 0; - - readConfigRid(local, 1); - if (sniffing_mode(local)) - reset = 1; - - switch (mode) { - case IW_MODE_ADHOC: - local->config.opmode &= ~MODE_CFG_MASK; - local->config.opmode |= MODE_STA_IBSS; - local->config.rmode &= ~RXMODE_FULL_MASK; - local->config.scanMode = SCANMODE_ACTIVE; - clear_bit (FLAG_802_11, &local->flags); - break; - case IW_MODE_INFRA: - local->config.opmode &= ~MODE_CFG_MASK; - local->config.opmode |= MODE_STA_ESS; - local->config.rmode &= ~RXMODE_FULL_MASK; - local->config.scanMode = SCANMODE_ACTIVE; - clear_bit (FLAG_802_11, &local->flags); - break; - case IW_MODE_MASTER: - local->config.opmode &= ~MODE_CFG_MASK; - local->config.opmode |= MODE_AP; - local->config.rmode &= ~RXMODE_FULL_MASK; - local->config.scanMode = SCANMODE_ACTIVE; - clear_bit (FLAG_802_11, &local->flags); - break; - case IW_MODE_REPEAT: - local->config.opmode &= ~MODE_CFG_MASK; - local->config.opmode |= MODE_AP_RPTR; - local->config.rmode &= ~RXMODE_FULL_MASK; - local->config.scanMode = SCANMODE_ACTIVE; - clear_bit (FLAG_802_11, &local->flags); - break; - case IW_MODE_MONITOR: - local->config.opmode &= ~MODE_CFG_MASK; - local->config.opmode |= MODE_STA_ESS; - local->config.rmode &= ~RXMODE_FULL_MASK; - local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; - local->config.scanMode = SCANMODE_PASSIVE; - set_bit (FLAG_802_11, &local->flags); - break; - default: - return -EINVAL; - } - if (reset) - set_bit (FLAG_RESET, &local->flags); - set_bit (FLAG_COMMIT, &local->flags); - - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Mode of Operation - */ -static int airo_get_mode(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *uwrq, - char *extra) -{ - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - /* If not managed, assume it's ad-hoc */ - switch (local->config.opmode & MODE_CFG_MASK) { - case MODE_STA_ESS: - uwrq->mode = IW_MODE_INFRA; - break; - case MODE_AP: - uwrq->mode = IW_MODE_MASTER; - break; - case MODE_AP_RPTR: - uwrq->mode = IW_MODE_REPEAT; - break; - default: - uwrq->mode = IW_MODE_ADHOC; - } - - return 0; -} - -static inline int valid_index(struct airo_info *ai, int index) -{ - return (index >= 0) && (index <= ai->max_wep_idx); -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Encryption Key - */ -static int airo_set_encode(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->encoding; - struct airo_info *local = dev->ml_priv; - int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); - __le16 currentAuthType = local->config.authType; - int rc = 0; - - if (!local->wep_capable) - return -EOPNOTSUPP; - - readConfigRid(local, 1); - - /* Basic checking: do we have a key to set ? - * Note : with the new API, it's impossible to get a NULL pointer. - * Therefore, we need to check a key size == 0 instead. - * New version of iwconfig properly set the IW_ENCODE_NOKEY flag - * when no key is present (only change flags), but older versions - * don't do it. - Jean II */ - if (dwrq->length > 0) { - wep_key_t key; - int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - int current_index; - - /* Check the size of the key */ - if (dwrq->length > MAX_KEY_SIZE) { - return -EINVAL; - } - - current_index = get_wep_tx_idx(local); - if (current_index < 0) - current_index = 0; - - /* Check the index (none -> use current) */ - if (!valid_index(local, index)) - index = current_index; - - /* Set the length */ - if (dwrq->length > MIN_KEY_SIZE) - key.len = MAX_KEY_SIZE; - else - key.len = MIN_KEY_SIZE; - /* Check if the key is not marked as invalid */ - if (!(dwrq->flags & IW_ENCODE_NOKEY)) { - /* Cleanup */ - memset(key.key, 0, MAX_KEY_SIZE); - /* Copy the key in the driver */ - memcpy(key.key, extra, dwrq->length); - /* Send the key to the card */ - rc = set_wep_key(local, index, key.key, key.len, perm, 1); - if (rc < 0) { - airo_print_err(local->dev->name, "failed to set" - " WEP key at index %d: %d.", - index, rc); - return rc; - } - } - /* 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) && - (local->config.authType == AUTH_OPEN)) - set_auth_type(local, AUTH_ENCRYPT); - } else { - /* Do we want to just set the transmit key index ? */ - int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - if (valid_index(local, index)) { - rc = set_wep_tx_idx(local, index, perm, 1); - if (rc < 0) { - airo_print_err(local->dev->name, "failed to set" - " WEP transmit index to %d: %d.", - index, rc); - return rc; - } - } else { - /* Don't complain if only change the mode */ - if (!(dwrq->flags & IW_ENCODE_MODE)) - return -EINVAL; - } - } - /* Read the flags */ - if (dwrq->flags & IW_ENCODE_DISABLED) - set_auth_type(local, AUTH_OPEN); /* disable encryption */ - if (dwrq->flags & IW_ENCODE_RESTRICTED) - set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ - if (dwrq->flags & IW_ENCODE_OPEN) - set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */ - /* Commit the changes to flags if needed */ - if (local->config.authType != currentAuthType) - set_bit (FLAG_COMMIT, &local->flags); - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Encryption Key - */ -static int airo_get_encode(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->encoding; - struct airo_info *local = dev->ml_priv; - int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - int wep_key_len; - u8 buf[16]; - - if (!local->wep_capable) - return -EOPNOTSUPP; - - readConfigRid(local, 1); - - /* Check encryption mode */ - switch(local->config.authType) { - case AUTH_ENCRYPT: - dwrq->flags = IW_ENCODE_OPEN; - break; - case AUTH_SHAREDKEY: - dwrq->flags = IW_ENCODE_RESTRICTED; - break; - default: - case AUTH_OPEN: - dwrq->flags = IW_ENCODE_DISABLED; - break; - } - /* We can't return the key, so set the proper flag and return zero */ - dwrq->flags |= IW_ENCODE_NOKEY; - memset(extra, 0, 16); - - /* Which key do we want ? -1 -> tx index */ - if (!valid_index(local, index)) { - index = get_wep_tx_idx(local); - if (index < 0) - index = 0; - } - dwrq->flags |= index + 1; - - /* Copy the key to the user buffer */ - wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf)); - if (wep_key_len < 0) { - dwrq->length = 0; - } else { - dwrq->length = wep_key_len; - memcpy(extra, buf, dwrq->length); - } - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set extended Encryption parameters - */ -static int airo_set_encodeext(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct airo_info *local = dev->ml_priv; - struct iw_point *encoding = &wrqu->encoding; - struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1); - __le16 currentAuthType = local->config.authType; - int idx, key_len, alg = ext->alg, set_key = 1, rc; - wep_key_t key; - - if (!local->wep_capable) - return -EOPNOTSUPP; - - readConfigRid(local, 1); - - /* Determine and validate the key index */ - idx = encoding->flags & IW_ENCODE_INDEX; - if (idx) { - if (!valid_index(local, idx - 1)) - return -EINVAL; - idx--; - } else { - idx = get_wep_tx_idx(local); - if (idx < 0) - idx = 0; - } - - if (encoding->flags & IW_ENCODE_DISABLED) - alg = IW_ENCODE_ALG_NONE; - - if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { - /* Only set transmit key index here, actual - * key is set below if needed. - */ - rc = set_wep_tx_idx(local, idx, perm, 1); - if (rc < 0) { - airo_print_err(local->dev->name, "failed to set " - "WEP transmit index to %d: %d.", - idx, rc); - return rc; - } - set_key = ext->key_len > 0 ? 1 : 0; - } - - if (set_key) { - /* Set the requested key first */ - memset(key.key, 0, MAX_KEY_SIZE); - switch (alg) { - case IW_ENCODE_ALG_NONE: - key.len = 0; - break; - case IW_ENCODE_ALG_WEP: - if (ext->key_len > MIN_KEY_SIZE) { - key.len = MAX_KEY_SIZE; - } else if (ext->key_len > 0) { - key.len = MIN_KEY_SIZE; - } else { - return -EINVAL; - } - key_len = min (ext->key_len, key.len); - memcpy(key.key, ext->key, key_len); - break; - default: - return -EINVAL; - } - if (key.len == 0) { - rc = set_wep_tx_idx(local, idx, perm, 1); - if (rc < 0) { - airo_print_err(local->dev->name, - "failed to set WEP transmit index to %d: %d.", - idx, rc); - return rc; - } - } else { - rc = set_wep_key(local, idx, key.key, key.len, perm, 1); - if (rc < 0) { - airo_print_err(local->dev->name, - "failed to set WEP key at index %d: %d.", - idx, rc); - return rc; - } - } - } - - /* Read the flags */ - if (encoding->flags & IW_ENCODE_DISABLED) - set_auth_type(local, AUTH_OPEN); /* disable encryption */ - if (encoding->flags & IW_ENCODE_RESTRICTED) - set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ - if (encoding->flags & IW_ENCODE_OPEN) - set_auth_type(local, AUTH_ENCRYPT); - /* Commit the changes to flags if needed */ - if (local->config.authType != currentAuthType) - set_bit (FLAG_COMMIT, &local->flags); - - return -EINPROGRESS; -} - - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get extended Encryption parameters - */ -static int airo_get_encodeext(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct airo_info *local = dev->ml_priv; - struct iw_point *encoding = &wrqu->encoding; - struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - int idx, max_key_len, wep_key_len; - u8 buf[16]; - - if (!local->wep_capable) - return -EOPNOTSUPP; - - readConfigRid(local, 1); - - max_key_len = encoding->length - sizeof(*ext); - if (max_key_len < 0) - return -EINVAL; - - idx = encoding->flags & IW_ENCODE_INDEX; - if (idx) { - if (!valid_index(local, idx - 1)) - return -EINVAL; - idx--; - } else { - idx = get_wep_tx_idx(local); - if (idx < 0) - idx = 0; - } - - encoding->flags = idx + 1; - memset(ext, 0, sizeof(*ext)); - - /* Check encryption mode */ - switch(local->config.authType) { - case AUTH_ENCRYPT: - encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; - break; - case AUTH_SHAREDKEY: - encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; - break; - default: - case AUTH_OPEN: - encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED; - break; - } - /* We can't return the key, so set the proper flag and return zero */ - encoding->flags |= IW_ENCODE_NOKEY; - memset(extra, 0, 16); - - /* Copy the key to the user buffer */ - wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); - if (wep_key_len < 0) { - ext->key_len = 0; - } else { - ext->key_len = wep_key_len; - memcpy(extra, buf, ext->key_len); - } - - return 0; -} - - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set extended authentication parameters - */ -static int airo_set_auth(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct airo_info *local = dev->ml_priv; - struct iw_param *param = &wrqu->param; - __le16 currentAuthType = local->config.authType; - - switch (param->flags & IW_AUTH_INDEX) { - case IW_AUTH_WPA_VERSION: - case IW_AUTH_CIPHER_PAIRWISE: - case IW_AUTH_CIPHER_GROUP: - case IW_AUTH_KEY_MGMT: - case IW_AUTH_RX_UNENCRYPTED_EAPOL: - case IW_AUTH_PRIVACY_INVOKED: - /* - * airo does not use these parameters - */ - break; - - case IW_AUTH_DROP_UNENCRYPTED: - if (param->value) { - /* Only change auth type if unencrypted */ - if (currentAuthType == AUTH_OPEN) - set_auth_type(local, AUTH_ENCRYPT); - } else { - set_auth_type(local, AUTH_OPEN); - } - - /* Commit the changes to flags if needed */ - if (local->config.authType != currentAuthType) - set_bit (FLAG_COMMIT, &local->flags); - break; - - case IW_AUTH_80211_AUTH_ALG: { - if (param->value & IW_AUTH_ALG_SHARED_KEY) { - set_auth_type(local, AUTH_SHAREDKEY); - } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { - /* We don't know here if WEP open system or - * unencrypted mode was requested - so use the - * last mode (of these two) used last time - */ - set_auth_type(local, local->last_auth); - } else - return -EINVAL; - - /* Commit the changes to flags if needed */ - if (local->config.authType != currentAuthType) - set_bit (FLAG_COMMIT, &local->flags); - break; - } - - case IW_AUTH_WPA_ENABLED: - /* Silently accept disable of WPA */ - if (param->value > 0) - return -EOPNOTSUPP; - break; - - default: - return -EOPNOTSUPP; - } - return -EINPROGRESS; -} - - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get extended authentication parameters - */ -static int airo_get_auth(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct airo_info *local = dev->ml_priv; - struct iw_param *param = &wrqu->param; - __le16 currentAuthType = local->config.authType; - - switch (param->flags & IW_AUTH_INDEX) { - case IW_AUTH_DROP_UNENCRYPTED: - switch (currentAuthType) { - case AUTH_SHAREDKEY: - case AUTH_ENCRYPT: - param->value = 1; - break; - default: - param->value = 0; - break; - } - break; - - case IW_AUTH_80211_AUTH_ALG: - switch (currentAuthType) { - case AUTH_SHAREDKEY: - param->value = IW_AUTH_ALG_SHARED_KEY; - break; - case AUTH_ENCRYPT: - default: - param->value = IW_AUTH_ALG_OPEN_SYSTEM; - break; - } - break; - - case IW_AUTH_WPA_ENABLED: - param->value = 0; - break; - - default: - return -EOPNOTSUPP; - } - return 0; -} - - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Tx-Power - */ -static int airo_set_txpow(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->txpower; - struct airo_info *local = dev->ml_priv; - CapabilityRid cap_rid; /* Card capability info */ - int i; - int rc = -EINVAL; - __le16 v = cpu_to_le16(vwrq->value); - - readCapabilityRid(local, &cap_rid, 1); - - if (vwrq->disabled) { - set_bit (FLAG_RADIO_OFF, &local->flags); - set_bit (FLAG_COMMIT, &local->flags); - return -EINPROGRESS; /* Call commit handler */ - } - if (vwrq->flags != IW_TXPOW_MWATT) { - return -EINVAL; - } - clear_bit (FLAG_RADIO_OFF, &local->flags); - for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++) - if (v == cap_rid.txPowerLevels[i]) { - readConfigRid(local, 1); - local->config.txPower = v; - set_bit (FLAG_COMMIT, &local->flags); - rc = -EINPROGRESS; /* Call commit handler */ - break; - } - return rc; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Tx-Power - */ -static int airo_get_txpow(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->txpower; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - vwrq->value = le16_to_cpu(local->config.txPower); - vwrq->fixed = 1; /* No power control */ - vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags); - vwrq->flags = IW_TXPOW_MWATT; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Retry limits - */ -static int airo_set_retry(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->retry; - struct airo_info *local = dev->ml_priv; - int rc = -EINVAL; - - if (vwrq->disabled) { - return -EINVAL; - } - readConfigRid(local, 1); - if (vwrq->flags & IW_RETRY_LIMIT) { - __le16 v = cpu_to_le16(vwrq->value); - if (vwrq->flags & IW_RETRY_LONG) - local->config.longRetryLimit = v; - else if (vwrq->flags & IW_RETRY_SHORT) - local->config.shortRetryLimit = v; - else { - /* No modifier : set both */ - local->config.longRetryLimit = v; - local->config.shortRetryLimit = v; - } - set_bit (FLAG_COMMIT, &local->flags); - rc = -EINPROGRESS; /* Call commit handler */ - } - if (vwrq->flags & IW_RETRY_LIFETIME) { - local->config.txLifetime = cpu_to_le16(vwrq->value / 1024); - set_bit (FLAG_COMMIT, &local->flags); - rc = -EINPROGRESS; /* Call commit handler */ - } - return rc; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Retry limits - */ -static int airo_get_retry(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->retry; - struct airo_info *local = dev->ml_priv; - - vwrq->disabled = 0; /* Can't be disabled */ - - readConfigRid(local, 1); - /* Note : by default, display the min retry number */ - if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { - vwrq->flags = IW_RETRY_LIFETIME; - vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024; - } else if ((vwrq->flags & IW_RETRY_LONG)) { - vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; - vwrq->value = le16_to_cpu(local->config.longRetryLimit); - } else { - vwrq->flags = IW_RETRY_LIMIT; - vwrq->value = le16_to_cpu(local->config.shortRetryLimit); - if (local->config.shortRetryLimit != local->config.longRetryLimit) - vwrq->flags |= IW_RETRY_SHORT; - } - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get range info - */ -static int airo_get_range(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - struct iw_range *range = (struct iw_range *) extra; - CapabilityRid cap_rid; /* Card capability info */ - int i; - int k; - - readCapabilityRid(local, &cap_rid, 1); - - dwrq->length = sizeof(struct iw_range); - memset(range, 0, sizeof(*range)); - range->min_nwid = 0x0000; - range->max_nwid = 0x0000; - range->num_channels = 14; - /* Should be based on cap_rid.country to give only - * what the current card support */ - k = 0; - for (i = 0; i < 14; i++) { - range->freq[k].i = i + 1; /* List index */ - range->freq[k].m = 100000 * - ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ); - range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */ - } - range->num_frequency = k; - - range->sensitivity = 65535; - - /* Hum... Should put the right values there */ - if (local->rssi) - range->max_qual.qual = 100; /* % */ - else - range->max_qual.qual = airo_get_max_quality(&cap_rid); - range->max_qual.level = 0x100 - 120; /* -120 dBm */ - range->max_qual.noise = 0x100 - 120; /* -120 dBm */ - - /* Experimental measurements - boundary 11/5.5 Mb/s */ - /* Note : with or without the (local->rssi), results - * are somewhat different. - Jean II */ - if (local->rssi) { - range->avg_qual.qual = 50; /* % */ - range->avg_qual.level = 0x100 - 70; /* -70 dBm */ - } else { - range->avg_qual.qual = airo_get_avg_quality(&cap_rid); - range->avg_qual.level = 0x100 - 80; /* -80 dBm */ - } - range->avg_qual.noise = 0x100 - 85; /* -85 dBm */ - - for (i = 0 ; i < 8 ; i++) { - range->bitrate[i] = cap_rid.supportedRates[i] * 500000; - if (range->bitrate[i] == 0) - break; - } - range->num_bitrates = i; - - /* Set an indication of the max TCP throughput - * in bit/s that we can expect using this interface. - * May be use for QoS stuff... Jean II */ - if (i > 2) - range->throughput = 5000 * 1000; - else - range->throughput = 1500 * 1000; - - range->min_rts = 0; - range->max_rts = AIRO_DEF_MTU; - range->min_frag = 256; - range->max_frag = AIRO_DEF_MTU; - - if (cap_rid.softCap & cpu_to_le16(2)) { - // WEP: RC4 40 bits - range->encoding_size[0] = 5; - // RC4 ~128 bits - if (cap_rid.softCap & cpu_to_le16(0x100)) { - range->encoding_size[1] = 13; - range->num_encoding_sizes = 2; - } else - range->num_encoding_sizes = 1; - range->max_encoding_tokens = - cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1; - } else { - range->num_encoding_sizes = 0; - range->max_encoding_tokens = 0; - } - 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] = le16_to_cpu(cap_rid.txPowerLevels[i]); - if (range->txpower[i] == 0) - break; - } - range->num_txpower = i; - range->txpower_capa = IW_TXPOW_MWATT; - range->we_version_source = 19; - 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; - - /* Event capability (kernel + driver) */ - range->event_capa[0] = (IW_EVENT_CAPA_K_0 | - IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | - IW_EVENT_CAPA_MASK(SIOCGIWAP) | - IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); - range->event_capa[1] = IW_EVENT_CAPA_K_1; - range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP); - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Power Management - */ -static int airo_set_power(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct iw_param *vwrq = &wrqu->power; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - if (vwrq->disabled) { - if (sniffing_mode(local)) - return -EINVAL; - local->config.powerSaveMode = POWERSAVE_CAM; - local->config.rmode &= ~RXMODE_MASK; - local->config.rmode |= RXMODE_BC_MC_ADDR; - set_bit (FLAG_COMMIT, &local->flags); - return -EINPROGRESS; /* Call commit handler */ - } - if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { - local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024); - local->config.powerSaveMode = POWERSAVE_PSPCAM; - set_bit (FLAG_COMMIT, &local->flags); - } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { - local->config.fastListenInterval = - local->config.listenInterval = - cpu_to_le16((vwrq->value + 500) / 1024); - local->config.powerSaveMode = POWERSAVE_PSPCAM; - set_bit (FLAG_COMMIT, &local->flags); - } - switch (vwrq->flags & IW_POWER_MODE) { - case IW_POWER_UNICAST_R: - if (sniffing_mode(local)) - return -EINVAL; - local->config.rmode &= ~RXMODE_MASK; - local->config.rmode |= RXMODE_ADDR; - set_bit (FLAG_COMMIT, &local->flags); - break; - case IW_POWER_ALL_R: - if (sniffing_mode(local)) - return -EINVAL; - local->config.rmode &= ~RXMODE_MASK; - local->config.rmode |= RXMODE_BC_MC_ADDR; - set_bit (FLAG_COMMIT, &local->flags); - break; - case IW_POWER_ON: - /* This is broken, fixme ;-) */ - break; - default: - return -EINVAL; - } - // Note : we may want to factor local->need_commit here - // Note2 : may also want to factor RXMODE_RFMON test - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Power Management - */ -static int airo_get_power(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->power; - struct airo_info *local = dev->ml_priv; - __le16 mode; - - readConfigRid(local, 1); - mode = local->config.powerSaveMode; - if ((vwrq->disabled = (mode == POWERSAVE_CAM))) - return 0; - if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { - vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024; - vwrq->flags = IW_POWER_TIMEOUT; - } else { - vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024; - vwrq->flags = IW_POWER_PERIOD; - } - if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR) - vwrq->flags |= IW_POWER_UNICAST_R; - else - vwrq->flags |= IW_POWER_ALL_R; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Sensitivity - */ -static int airo_set_sens(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->sens; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - local->config.rssiThreshold = - cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value); - set_bit (FLAG_COMMIT, &local->flags); - - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Sensitivity - */ -static int airo_get_sens(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_param *vwrq = &wrqu->sens; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); - vwrq->value = le16_to_cpu(local->config.rssiThreshold); - vwrq->disabled = (vwrq->value == 0); - vwrq->fixed = 1; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get AP List - * Note : this is deprecated in favor of IWSCAN - */ -static int airo_get_aplist(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - struct sockaddr *address = (struct sockaddr *) extra; - struct iw_quality *qual; - BSSListRid BSSList; - int i; - int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; - - qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL); - if (!qual) - return -ENOMEM; - - for (i = 0; i < IW_MAX_AP; i++) { - u16 dBm; - if (readBSSListRid(local, loseSync, &BSSList)) - break; - loseSync = 0; - memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN); - address[i].sa_family = ARPHRD_ETHER; - dBm = le16_to_cpu(BSSList.dBm); - if (local->rssi) { - qual[i].level = 0x100 - dBm; - qual[i].qual = airo_dbm_to_pct(local->rssi, dBm); - qual[i].updated = IW_QUAL_QUAL_UPDATED - | IW_QUAL_LEVEL_UPDATED - | IW_QUAL_DBM; - } else { - qual[i].level = (dBm + 321) / 2; - qual[i].qual = 0; - qual[i].updated = IW_QUAL_QUAL_INVALID - | IW_QUAL_LEVEL_UPDATED - | IW_QUAL_DBM; - } - qual[i].noise = local->wstats.qual.noise; - if (BSSList.index == cpu_to_le16(0xffff)) - break; - } - if (!i) { - StatusRid status_rid; /* Card status info */ - readStatusRid(local, &status_rid, 1); - for (i = 0; - i < min(IW_MAX_AP, 4) && - (status_rid.bssid[i][0] - & status_rid.bssid[i][1] - & status_rid.bssid[i][2] - & status_rid.bssid[i][3] - & status_rid.bssid[i][4] - & status_rid.bssid[i][5])!=0xff && - (status_rid.bssid[i][0] - | status_rid.bssid[i][1] - | status_rid.bssid[i][2] - | status_rid.bssid[i][3] - | status_rid.bssid[i][4] - | status_rid.bssid[i][5]); - i++) { - memcpy(address[i].sa_data, - status_rid.bssid[i], ETH_ALEN); - address[i].sa_family = ARPHRD_ETHER; - } - } else { - dwrq->flags = 1; /* Should be define'd */ - memcpy(extra + sizeof(struct sockaddr) * i, qual, - sizeof(struct iw_quality) * i); - } - dwrq->length = i; - - kfree(qual); - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : Initiate Scan - */ -static int airo_set_scan(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct airo_info *ai = dev->ml_priv; - Cmd cmd; - Resp rsp; - int wake = 0; - APListRid APList_rid_empty; - - /* Note : you may have realised that, as this is a SET operation, - * this is privileged and therefore a normal user can't - * perform scanning. - * This is not an error, while the device perform scanning, - * traffic doesn't flow, so it's a perfect DoS... - * Jean II */ - if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; - - if (down_interruptible(&ai->sem)) - return -ERESTARTSYS; - - /* If there's already a scan in progress, don't - * trigger another one. */ - if (ai->scan_timeout > 0) - goto out; - - /* Clear APList as it affects scan results */ - memset(&APList_rid_empty, 0, sizeof(APList_rid_empty)); - APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty)); - disable_MAC(ai, 2); - writeAPListRid(ai, &APList_rid_empty, 0); - enable_MAC(ai, 0); - - /* Initiate a scan command */ - ai->scan_timeout = RUN_AT(3*HZ); - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd = CMD_LISTBSS; - issuecommand(ai, &cmd, &rsp, true); - wake = 1; - -out: - up(&ai->sem); - if (wake) - wake_up_interruptible(&ai->thr_wait); - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Translate scan data returned from the card to a card independent - * format that the Wireless Tools will understand - Jean II - */ -static inline char *airo_translate_scan(struct net_device *dev, - struct iw_request_info *info, - char *current_ev, - char *end_buf, - BSSListRid *bss) -{ - struct airo_info *ai = dev->ml_priv; - struct iw_event iwe; /* Temporary buffer */ - __le16 capabilities; - char * current_val; /* For rates */ - int i; - char * buf; - u16 dBm; - - /* First entry *MUST* be the AP MAC address */ - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN); - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_ADDR_LEN); - - /* Other entries will be displayed in the order we give them */ - - /* Add the ESSID */ - iwe.u.data.length = bss->ssidLen; - if (iwe.u.data.length > 32) - iwe.u.data.length = 32; - iwe.cmd = SIOCGIWESSID; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, bss->ssid); - - /* Add mode */ - iwe.cmd = SIOCGIWMODE; - capabilities = bss->cap; - if (capabilities & (CAP_ESS | CAP_IBSS)) { - if (capabilities & CAP_ESS) - iwe.u.mode = IW_MODE_MASTER; - else - iwe.u.mode = IW_MODE_ADHOC; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_UINT_LEN); - } - - /* Add frequency */ - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = le16_to_cpu(bss->dsChannel); - iwe.u.freq.m = 100000 * - ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ); - iwe.u.freq.e = 1; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_FREQ_LEN); - - dBm = le16_to_cpu(bss->dBm); - - /* Add quality statistics */ - iwe.cmd = IWEVQUAL; - if (ai->rssi) { - iwe.u.qual.level = 0x100 - dBm; - iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm); - iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED - | IW_QUAL_LEVEL_UPDATED - | IW_QUAL_DBM; - } else { - iwe.u.qual.level = (dBm + 321) / 2; - iwe.u.qual.qual = 0; - iwe.u.qual.updated = IW_QUAL_QUAL_INVALID - | IW_QUAL_LEVEL_UPDATED - | IW_QUAL_DBM; - } - iwe.u.qual.noise = ai->wstats.qual.noise; - current_ev = iwe_stream_add_event(info, current_ev, end_buf, - &iwe, IW_EV_QUAL_LEN); - - /* Add encryption capability */ - iwe.cmd = SIOCGIWENCODE; - if (capabilities & CAP_PRIVACY) - iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; - else - iwe.u.data.flags = IW_ENCODE_DISABLED; - iwe.u.data.length = 0; - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, bss->ssid); - - /* Rate : stuffing multiple values in a single event require a bit - * more of magic - Jean II */ - current_val = current_ev + iwe_stream_lcp_len(info); - - iwe.cmd = SIOCGIWRATE; - /* Those two flags are ignored... */ - iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; - /* Max 8 values */ - for (i = 0 ; i < 8 ; i++) { - /* NULL terminated */ - if (bss->rates[i] == 0) - break; - /* Bit rate given in 500 kb/s units (+ 0x80) */ - iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000); - /* Add new value to event */ - current_val = iwe_stream_add_value(info, current_ev, - current_val, end_buf, - &iwe, IW_EV_PARAM_LEN); - } - /* Check if we added any event */ - if ((current_val - current_ev) > iwe_stream_lcp_len(info)) - current_ev = current_val; - - /* Beacon interval */ - buf = kmalloc(30, GFP_KERNEL); - if (buf) { - iwe.cmd = IWEVCUSTOM; - sprintf(buf, "bcn_int=%d", bss->beaconInterval); - iwe.u.data.length = strlen(buf); - current_ev = iwe_stream_add_point(info, current_ev, end_buf, - &iwe, buf); - kfree(buf); - } - - /* Put WPA/RSN Information Elements into the event stream */ - if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) { - unsigned int num_null_ies = 0; - u16 length = sizeof (bss->extra.iep); - u8 *ie = (void *)&bss->extra.iep; - - while ((length >= 2) && (num_null_ies < 2)) { - if (2 + ie[1] > length) { - /* Invalid element, don't continue parsing IE */ - break; - } - - switch (ie[0]) { - case WLAN_EID_SSID: - /* Two zero-length SSID elements - * mean we're done parsing elements */ - if (!ie[1]) - num_null_ies++; - break; - - case WLAN_EID_VENDOR_SPECIFIC: - if (ie[1] >= 4 && - ie[2] == 0x00 && - ie[3] == 0x50 && - ie[4] == 0xf2 && - ie[5] == 0x01) { - iwe.cmd = IWEVGENIE; - /* 64 is an arbitrary cut-off */ - iwe.u.data.length = min(ie[1] + 2, - 64); - current_ev = iwe_stream_add_point( - info, current_ev, - end_buf, &iwe, ie); - } - break; - - case WLAN_EID_RSN: - iwe.cmd = IWEVGENIE; - /* 64 is an arbitrary cut-off */ - iwe.u.data.length = min(ie[1] + 2, 64); - current_ev = iwe_stream_add_point( - info, current_ev, end_buf, - &iwe, ie); - break; - - default: - break; - } - - length -= 2 + ie[1]; - ie += 2 + ie[1]; - } - } - return current_ev; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : Read Scan Results - */ -static int airo_get_scan(struct net_device *dev, - struct iw_request_info *info, - union iwreq_data *wrqu, - char *extra) -{ - struct iw_point *dwrq = &wrqu->data; - struct airo_info *ai = dev->ml_priv; - BSSListElement *net; - int err = 0; - char *current_ev = extra; - - /* If a scan is in-progress, return -EAGAIN */ - if (ai->scan_timeout > 0) - return -EAGAIN; - - if (down_interruptible(&ai->sem)) - return -EAGAIN; - - list_for_each_entry (net, &ai->network_list, list) { - /* Translate to WE format this entry */ - current_ev = airo_translate_scan(dev, info, current_ev, - extra + dwrq->length, - &net->bss); - - /* Check if there is space for one more entry */ - if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { - /* Ask user space to try again with a bigger buffer */ - err = -E2BIG; - goto out; - } - } - - /* Length of data */ - dwrq->length = (current_ev - extra); - dwrq->flags = 0; /* todo */ - -out: - up(&ai->sem); - return err; -} - -/*------------------------------------------------------------------*/ -/* - * Commit handler : called after a bunch of SET operations - */ -static int airo_config_commit(struct net_device *dev, - struct iw_request_info *info, /* NULL */ - union iwreq_data *wrqu, /* NULL */ - char *extra) /* NULL */ -{ - struct airo_info *local = dev->ml_priv; - - if (!test_bit (FLAG_COMMIT, &local->flags)) - return 0; - - /* Some of the "SET" function may have modified some of the - * parameters. It's now time to commit them in the card */ - disable_MAC(local, 1); - if (test_bit (FLAG_RESET, &local->flags)) { - SsidRid SSID_rid; - - readSsidRid(local, &SSID_rid); - if (test_bit(FLAG_MPI,&local->flags)) - setup_card(local, dev, 1); - else - reset_airo_card(dev); - disable_MAC(local, 1); - writeSsidRid(local, &SSID_rid, 1); - writeAPListRid(local, &local->APList, 1); - } - if (down_interruptible(&local->sem)) - return -ERESTARTSYS; - writeConfigRid(local, 0); - enable_MAC(local, 0); - if (test_bit (FLAG_RESET, &local->flags)) - airo_set_promisc(local, true); - else - up(&local->sem); - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Structures to export the Wireless Handlers - */ - -static const struct iw_priv_args airo_private_args[] = { -/*{ 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" }, -}; - -static const iw_handler airo_handler[] = -{ - IW_HANDLER(SIOCSIWCOMMIT, airo_config_commit), - IW_HANDLER(SIOCGIWNAME, airo_get_name), - IW_HANDLER(SIOCSIWFREQ, airo_set_freq), - IW_HANDLER(SIOCGIWFREQ, airo_get_freq), - IW_HANDLER(SIOCSIWMODE, airo_set_mode), - IW_HANDLER(SIOCGIWMODE, airo_get_mode), - IW_HANDLER(SIOCSIWSENS, airo_set_sens), - IW_HANDLER(SIOCGIWSENS, airo_get_sens), - IW_HANDLER(SIOCGIWRANGE, airo_get_range), - IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), - IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), - IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), - IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), - IW_HANDLER(SIOCSIWAP, airo_set_wap), - IW_HANDLER(SIOCGIWAP, airo_get_wap), - IW_HANDLER(SIOCGIWAPLIST, airo_get_aplist), - IW_HANDLER(SIOCSIWSCAN, airo_set_scan), - IW_HANDLER(SIOCGIWSCAN, airo_get_scan), - IW_HANDLER(SIOCSIWESSID, airo_set_essid), - IW_HANDLER(SIOCGIWESSID, airo_get_essid), - IW_HANDLER(SIOCSIWNICKN, airo_set_nick), - IW_HANDLER(SIOCGIWNICKN, airo_get_nick), - IW_HANDLER(SIOCSIWRATE, airo_set_rate), - IW_HANDLER(SIOCGIWRATE, airo_get_rate), - IW_HANDLER(SIOCSIWRTS, airo_set_rts), - IW_HANDLER(SIOCGIWRTS, airo_get_rts), - IW_HANDLER(SIOCSIWFRAG, airo_set_frag), - IW_HANDLER(SIOCGIWFRAG, airo_get_frag), - IW_HANDLER(SIOCSIWTXPOW, airo_set_txpow), - IW_HANDLER(SIOCGIWTXPOW, airo_get_txpow), - IW_HANDLER(SIOCSIWRETRY, airo_set_retry), - IW_HANDLER(SIOCGIWRETRY, airo_get_retry), - IW_HANDLER(SIOCSIWENCODE, airo_set_encode), - IW_HANDLER(SIOCGIWENCODE, airo_get_encode), - IW_HANDLER(SIOCSIWPOWER, airo_set_power), - IW_HANDLER(SIOCGIWPOWER, airo_get_power), - IW_HANDLER(SIOCSIWAUTH, airo_set_auth), - IW_HANDLER(SIOCGIWAUTH, airo_get_auth), - IW_HANDLER(SIOCSIWENCODEEXT, airo_set_encodeext), - IW_HANDLER(SIOCGIWENCODEEXT, airo_get_encodeext), -}; - -/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here. - * We want to force the use of the ioctl code, because those can't be - * won't work the iw_handler code (because they simultaneously read - * and write data and iw_handler can't do that). - * Note that it's perfectly legal to read/write on a single ioctl command, - * you just can't use iwpriv and need to force it via the ioctl handler. - * Jean II */ -static const iw_handler airo_private_handler[] = -{ - NULL, /* SIOCIWFIRSTPRIV */ -}; - -static const struct iw_handler_def airo_handler_def = -{ - .num_standard = ARRAY_SIZE(airo_handler), - .num_private = ARRAY_SIZE(airo_private_handler), - .num_private_args = ARRAY_SIZE(airo_private_args), - .standard = airo_handler, - .private = airo_private_handler, - .private_args = airo_private_args, - .get_wireless_stats = airo_get_wireless_stats, -}; - -/* - * 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 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_siocdevprivate(struct net_device *dev, struct ifreq *rq, - void __user *data, int cmd) -{ - int rc = 0; - struct airo_info *ai = dev->ml_priv; - - if (ai->power.event) - return 0; - - switch (cmd) { -#ifdef CISCO_EXT - case AIROIDIFC: -#ifdef AIROOLDIDIFC - case AIROOLDIDIFC: -#endif - { - int val = AIROMAGIC; - aironet_ioctl com; - if (copy_from_user(&com, data, sizeof(com))) - rc = -EFAULT; - else if (copy_to_user(com.data, (char *)&val, sizeof(val))) - rc = -EFAULT; - } - break; - - case AIROIOCTL: -#ifdef AIROOLDIOCTL - case AIROOLDIOCTL: -#endif - /* Get the command struct and hand it off for evaluation by - * the proper subfunction - */ - { - aironet_ioctl com; - if (copy_from_user(&com, data, sizeof(com))) { - rc = -EFAULT; - break; - } - - /* Separate R/W functions bracket legality here - */ - if (com.command == AIRORSWVERSION) { - if (copy_to_user(com.data, swversion, sizeof(swversion))) - rc = -EFAULT; - else - rc = 0; - } - else if (com.command <= AIRORRID) - rc = readrids(dev,&com); - else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2)) - 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; - } - return rc; -} - -/* - * 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) - * - * Jean - */ -static void airo_read_wireless_stats(struct airo_info *local) -{ - StatusRid status_rid; - StatsRid stats_rid; - CapabilityRid cap_rid; - __le32 *vals = stats_rid.vals; - - /* Get stats out of the card */ - if (local->power.event) - return; - - readCapabilityRid(local, &cap_rid, 0); - readStatusRid(local, &status_rid, 0); - readStatsRid(local, &stats_rid, RID_STATS, 0); - - /* The status */ - local->wstats.status = le16_to_cpu(status_rid.mode); - - /* Signal quality and co */ - if (local->rssi) { - local->wstats.qual.level = - airo_rssi_to_dbm(local->rssi, - le16_to_cpu(status_rid.sigQuality)); - /* normalizedSignalStrength appears to be a percentage */ - local->wstats.qual.qual = - le16_to_cpu(status_rid.normalizedSignalStrength); - } else { - local->wstats.qual.level = - (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2; - local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid); - } - if (le16_to_cpu(status_rid.len) >= 124) { - local->wstats.qual.noise = 0x100 - status_rid.noisedBm; - local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; - } else { - local->wstats.qual.noise = 0; - local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM; - } - - /* Packets discarded in the wireless adapter due to wireless - * specific problems */ - local->wstats.discard.nwid = le32_to_cpu(vals[56]) + - le32_to_cpu(vals[57]) + - le32_to_cpu(vals[58]); /* SSID Mismatch */ - local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */ - local->wstats.discard.fragment = le32_to_cpu(vals[30]); - local->wstats.discard.retries = le32_to_cpu(vals[10]); - local->wstats.discard.misc = le32_to_cpu(vals[1]) + - le32_to_cpu(vals[32]); - local->wstats.miss.beacon = le32_to_cpu(vals[34]); -} - -static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) -{ - struct airo_info *local = dev->ml_priv; - - if (!down_interruptible(&local->sem)) { - airo_read_wireless_stats(local); - up(&local->sem); - } - return &local->wstats; -} - -#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; - int len; - struct airo_info *ai = dev->ml_priv; - - if (test_bit(FLAG_FLASHING, &ai->flags)) - return -EIO; - - switch(comp->command) - { - case AIROGCAP: ridcode = RID_CAPABILITIES; break; - case AIROGCFG: ridcode = RID_CONFIG; - if (test_bit(FLAG_COMMIT, &ai->flags)) { - disable_MAC (ai, 1); - writeConfigRid (ai, 1); - enable_MAC(ai, 1); - } - 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; break; - case AIROGWEPKNV: ridcode = RID_WEP_PERM; break; - case AIROGSTAT: ridcode = RID_STATUS; break; - case AIROGSTATSD32: ridcode = RID_STATSDELTA; break; - case AIROGSTATSC32: ridcode = RID_STATS; break; - case AIROGMICSTATS: - if (copy_to_user(comp->data, &ai->micstats, - min((int)comp->len, (int)sizeof(ai->micstats)))) - return -EFAULT; - return 0; - case AIRORRID: ridcode = comp->ridnum; break; - default: - return -EINVAL; - } - - if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) { - /* Only super-user can read WEP keys */ - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - } - - if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL) - return -ENOMEM; - - PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1); - /* 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 - */ - len = comp->len; - - if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) { - kfree (iobuf); - return -EFAULT; - } - kfree (iobuf); - return 0; -} - -/* - * Danger Will Robinson write the rids here - */ - -static int writerids(struct net_device *dev, aironet_ioctl *comp) -{ - struct airo_info *ai = dev->ml_priv; - int ridcode; - int enabled; - int (*writer)(struct airo_info *, u16 rid, const void *, int, int); - unsigned char *iobuf; - - /* Only super-user can write RIDs */ - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (test_bit(FLAG_FLASHING, &ai->flags)) - return -EIO; - - 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: ai->config.len = 0; - clear_bit(FLAG_COMMIT, &ai->flags); - 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; - case AIROPLEAPUSR+1: ridcode = 0xFF2A; break; - case AIROPLEAPUSR+2: ridcode = 0xFF2B; break; - - /* this is not really a rid but a command given to the card - * same with MAC off - */ - case AIROPMACON: - if (enable_MAC(ai, 1) != 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(ai, 1); - 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: - if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) - return -ENOMEM; - - PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1); - - enabled = ai->micstats.enabled; - memset(&ai->micstats, 0, sizeof(ai->micstats)); - ai->micstats.enabled = enabled; - - if (copy_to_user(comp->data, iobuf, - min((int)comp->len, (int)RIDSIZE))) { - kfree (iobuf); - return -EFAULT; - } - kfree (iobuf); - return 0; - - default: - return -EOPNOTSUPP; /* Blarg! */ - } - if (comp->len > RIDSIZE) - return -EINVAL; - - if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) - return -ENOMEM; - - if (copy_from_user(iobuf, comp->data, comp->len)) { - kfree (iobuf); - return -EFAULT; - } - - if (comp->command == AIROPCFG) { - ConfigRid *cfg = (ConfigRid *)iobuf; - - if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) - cfg->opmode |= MODE_MIC; - - if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS) - set_bit (FLAG_ADHOC, &ai->flags); - else - clear_bit (FLAG_ADHOC, &ai->flags); - } - - if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) { - kfree (iobuf); - return -EIO; - } - kfree (iobuf); - return 0; -} - -/***************************************************************************** - * Ancillary flash / mod functions much black magic lurkes here * - ***************************************************************************** - */ - -/* - * Flash command switch table - */ - -static int flashcard(struct net_device *dev, aironet_ioctl *comp) -{ - int z; - - /* Only super-user can modify flash */ - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - switch(comp->command) - { - case AIROFLSHRST: - return cmdreset((struct airo_info *)dev->ml_priv); - - case AIROFLSHSTFL: - if (!AIRO_FLASH(dev) && - (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL) - return -ENOMEM; - return setflashmode((struct airo_info *)dev->ml_priv); - - case AIROFLSHGCHR: /* Get char from aux */ - if (comp->len != sizeof(int)) - return -EINVAL; - if (copy_from_user(&z, comp->data, comp->len)) - return -EFAULT; - return flashgchar((struct airo_info *)dev->ml_priv, z, 8000); - - case AIROFLSHPCHR: /* Send char to card. */ - if (comp->len != sizeof(int)) - return -EINVAL; - if (copy_from_user(&z, comp->data, comp->len)) - return -EFAULT; - return flashpchar((struct airo_info *)dev->ml_priv, z, 8000); - - case AIROFLPUTBUF: /* Send 32k to card */ - if (!AIRO_FLASH(dev)) - return -ENOMEM; - if (comp->len > FLASHSIZE) - return -EINVAL; - if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len)) - return -EFAULT; - - flashputbuf((struct airo_info *)dev->ml_priv); - return 0; - - case AIRORESTART: - if (flashrestart((struct airo_info *)dev->ml_priv, dev)) - return -EIO; - return 0; - } - return -EINVAL; -} - -#define FLASH_COMMAND 0x7e7e - -/* - * STEP 1) - * Disable MAC and do soft reset on - * card. - */ - -static int cmdreset(struct airo_info *ai) -{ - disable_MAC(ai, 1); - - if (!waitbusy (ai)) { - airo_print_info(ai->dev->name, "Waitbusy hang before RESET"); - return -EBUSY; - } - - OUT4500(ai, COMMAND, CMD_SOFTRESET); - - ssleep(1); /* WAS 600 12/7/00 */ - - if (!waitbusy (ai)) { - airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET"); - return -EBUSY; - } - return 0; -} - -/* STEP 2) - * Put the card in legendary flash - * mode - */ - -static int setflashmode (struct airo_info *ai) -{ - set_bit (FLAG_FLASHING, &ai->flags); - - OUT4500(ai, SWS0, FLASH_COMMAND); - OUT4500(ai, SWS1, FLASH_COMMAND); - if (probe) { - OUT4500(ai, SWS0, FLASH_COMMAND); - OUT4500(ai, COMMAND, 0x10); - } else { - OUT4500(ai, SWS2, FLASH_COMMAND); - OUT4500(ai, SWS3, FLASH_COMMAND); - OUT4500(ai, COMMAND, 0); - } - msleep(500); /* 500ms delay */ - - if (!waitbusy(ai)) { - clear_bit (FLAG_FLASHING, &ai->flags); - airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode"); - return -EIO; - } - return 0; -} - -/* Put character to SWS0 wait for dwelltime - * x 50us for echo . - */ - -static 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) { - airo_print_info(ai->dev->name, "flash putchar busywait timeout!"); - 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) - */ -static 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 - */ - -static int flashputbuf(struct airo_info *ai) -{ - int nwords; - - /* Write stuff */ - if (test_bit(FLAG_MPI,&ai->flags)) - memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE); - else { - OUT4500(ai, AUXPAGE, 0x100); - OUT4500(ai, AUXOFF, 0); - - for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) { - OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff); - } - } - OUT4500(ai, SWS0, 0x8000); - - return 0; -} - -/* - * - */ -static int flashrestart(struct airo_info *ai, struct net_device *dev) -{ - int i, status; - - ssleep(1); /* Added 12/7/00 */ - clear_bit (FLAG_FLASHING, &ai->flags); - if (test_bit(FLAG_MPI, &ai->flags)) { - status = mpi_init_descriptors(ai); - if (status != SUCCESS) - return status; - } - status = setup_card(ai, dev, 1); - - if (!test_bit(FLAG_MPI,&ai->flags)) - for (i = 0; i < MAX_FIDS; i++) { - ai->fids[i] = transmit_allocate - (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2); - } - - ssleep(1); /* 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); |