| /*====================================================================== |
| |
| 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 <asm/io.h> |
| #include <asm/system.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 <asm/uaccess.h> |
| #include <linux/kthread.h> |
| #include <linux/freezer.h> |
| |
| #include <linux/ieee80211.h> |
| #include <net/iw_handler.h> |
| |
| #include "airo.h" |
| |
| #define DRV_NAME "airo" |
| |
| #ifdef CONFIG_PCI |
| static DEFINE_PCI_DEVICE_TABLE(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 airo_pci_suspend(struct pci_dev *pdev, pm_message_t state); |
| static int airo_pci_resume(struct pci_dev *pdev); |
| |
| static struct pci_driver airo_driver = { |
| .name = DRV_NAME, |
| .id_table = card_ids, |
| .probe = airo_pci_probe, |
| .remove = __devexit_p(airo_pci_remove), |
| .suspend = airo_pci_suspend, |
| .resume = airo_pci_resume, |
| }; |
| #endif /* CONFIG_PCI */ |
| |
| /* Include Wireless Extension definition and check version - Jean II */ |
| #include <linux/wireless.h> |
| #define WIRELESS_SPY /* enable iwspy support */ |
| #include <net/iw_handler.h> /* New driver API */ |
| |
| #define CISCO_EXT /* enable Cisco extensions */ |
| #ifdef CISCO_EXT |
| #include <linux/delay.h> |
| #endif |
| |
| /* Hack to do some power saving */ |
| #define POWER_ON_DOWN |
| |
| /* As you can see this list is HUGH! |
| I really don't know what a lot of these counts are about, but they |
| are all here for completeness. If the IGNLABEL macro is put in |
| infront of the label, that statistic will not be included in the list |
| of statistics in the /proc filesystem */ |
| |
| #define IGNLABEL(comment) NULL |
| static 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 int proc_uid /* = 0 */; |
| |
| static int proc_gid /* = 0 */; |
| |
| static int airo_perm = 0555; |
| |
| static int proc_perm = 0644; |
| |
| MODULE_AUTHOR("Benjamin Reed"); |
| MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \ |
| cards. Direct support for ISA/PCI/MPI cards and support \ |
| for PCMCIA when used with airo_cs."); |
| MODULE_LICENSE("Dual BSD/GPL"); |
| MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350"); |
| module_param_array(io, int, NULL, 0); |
| module_param_array(irq, int, NULL, 0); |
| module_param_array(rates, int, NULL, 0); |
| module_param_array(ssids, charp, NULL, 0); |
| module_param(auto_wep, int, 0); |
| MODULE_PARM_DESC(auto_wep, "If non-zero, the driver will keep looping through \ |
| the authentication options until an association is made. The value of \ |
| auto_wep is number of the wep keys to check. A value of 2 will try using \ |
| the key at index 0 and index 1."); |
| module_param(aux_bap, int, 0); |
| MODULE_PARM_DESC(aux_bap, "If non-zero, the driver will switch into a mode \ |
| than seems to work better for older cards with some older buses. Before \ |
| switching it checks that the switch is needed."); |
| module_param(maxencrypt, int, 0); |
| MODULE_PARM_DESC(maxencrypt, "The maximum speed that the card can do \ |
| encryption. Units are in 512kbs. Zero (default) means there is no limit. \ |
| Older cards used to be limited to 2mbs (4)."); |
| module_param(adhoc, int, 0); |
| MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode."); |
| module_param(probe, int, 0); |
| MODULE_PARM_DESC(probe, "If zero, the driver won't start the card."); |
| |
| module_param(proc_uid, int, 0); |
| MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to."); |
| module_param(proc_gid, int, 0); |
| MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to."); |
| module_param(airo_perm, int, 0); |
| MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet."); |
| module_param(proc_perm, int, 0); |
| MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc"); |
| |
| /* This is a kind of sloppy hack to get this information to OUT4500 and |
| IN4500. I would be extremely interested in the situation where this |
| doesn't work though!!! */ |
| static int do8bitIO /* = 0 */; |
| |
| /* Return codes */ |
| #define SUCCESS 0 |
| #define ERROR -1 |
| #define NO_PACKET -2 |
| |
| /* Commands */ |
| #define NOP2 0x0000 |
| #define MAC_ENABLE 0x0001 |
| #define MAC_DISABLE 0x0002 |
| #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */ |
| #define CMD_SOFTRESET 0x0004 |
| #define HOSTSLEEP 0x0005 |
| #define CMD_MAGIC_PKT 0x0006 |
| #define CMD_SETWAKEMASK 0x0007 |
| #define CMD_READCFG 0x0008 |
| #define CMD_SETMODE 0x0009 |
| #define CMD_ALLOCATETX 0x000a |
| #define CMD_TRANSMIT 0x000b |
| #define CMD_DEALLOCATETX 0x000c |
| #define NOP 0x0010 |
| #define CMD_WORKAROUND 0x0011 |
| #define CMD_ALLOCATEAUX 0x0020 |
| #define CMD_ACCESS 0x0021 |
| #define CMD_PCIBAP 0x0022 |
| #define CMD_PCIAUX 0x0023 |
| #define CMD_ALLOCBUF 0x0028 |
| #define CMD_GETTLV 0x0029 |
| #define CMD_PUTTLV 0x002a |
| #define CMD_DELTLV 0x002b |
| #define CMD_FINDNEXTTLV 0x002c |
| #define CMD_PSPNODES 0x0030 |
| #define CMD_SETCW 0x0031 |
| #define CMD_SETPCF 0x0032 |
| #define CMD_SETPHYREG 0x003e |
| #define CMD_TXTEST 0x003f |
| #define MAC_ENABLETX 0x0101 |
| #define CMD_LISTBSS 0x0103 |
| #define CMD_SAVECFG 0x0108 |
| #define CMD_ENABLEAUX 0x0111 |
| #define CMD_WRITERID 0x0121 |
| #define CMD_USEPSPNODES 0x0130 |
| #define MAC_ENABLERX 0x0201 |
| |
| /* Command errors */ |
| #define ERROR_QUALIF 0x00 |
| #define ERROR_ILLCMD 0x01 |
| #define ERROR_ILLFMT 0x02 |
| #define ERROR_INVFID 0x03 |
| #define ERROR_INVRID 0x04 |
| #define ERROR_LARGE 0x05 |
| #define ERROR_NDISABL 0x06 |
| #define ERROR_ALLOCBSY 0x07 |
| #define ERROR_NORD 0x0B |
| #define ERROR_NOWR 0x0C |
| #define ERROR_INVFIDTX 0x0D |
| #define ERROR_TESTACT 0x0E |
| #define ERROR_TAGNFND 0x12 |
| #define ERROR_DECODE 0x20 |
| #define ERROR_DESCUNAV 0x21 |
| #define ERROR_BADLEN 0x22 |
| #define ERROR_MODE 0x80 |
| #define ERROR_HOP 0x81 |
| #define ERROR_BINTER 0x82 |
| #define ERROR_RXMODE 0x83 |
| #define ERROR_MACADDR 0x84 |
| #define ERROR_RATES 0x85 |
| #define ERROR_ORDER 0x86 |
| #define ERROR_SCAN 0x87 |
| #define ERROR_AUTH 0x88 |
| #define ERROR_PSMODE 0x89 |
| #define ERROR_RTYPE 0x8A |
| #define ERROR_DIVER 0x8B |
| #define ERROR_SSID 0x8C |
| #define ERROR_APLIST 0x8D |
| #define ERROR_AUTOWAKE 0x8E |
| #define ERROR_LEAP 0x8F |
| |
| /* Registers */ |
| #define COMMAND 0x00 |
| #define PARAM0 0x02 |
| #define PARAM1 0x04 |
| #define PARAM2 0x06 |
| #define STATUS 0x08 |
| #define RESP0 0x0a |
| #define RESP1 0x0c |
| #define RESP2 0x0e |
| #define LINKSTAT 0x10 |
| #define SELECT0 0x18 |
| #define OFFSET0 0x1c |
| #define RXFID 0x20 |
| #define TXALLOCFID 0x22 |
| #define TXCOMPLFID 0x24 |
| #define DATA0 0x36 |
| #define EVSTAT 0x30 |
| #define EVINTEN 0x32 |
| #define EVACK 0x34 |
| #define SWS0 0x28 |
| #define SWS1 0x2a |
| #define SWS2 0x2c |
| #define SWS3 0x2e |
| #define AUXPAGE 0x3A |
| #define AUXOFF 0x3C |
| #define AUXDATA 0x3E |
| |
| #define FID_TX 1 |
| #define FID_RX 2 |
| /* Offset into aux memory for descriptors */ |
| #define AUX_OFFSET 0x800 |
| /* Size of allocated packets */ |
| #define PKTSIZE 1840 |
| #define RIDSIZE 2048 |
| /* Size of the transmit queue */ |
| #define MAXTXQ 64 |
| |
| /* BAP selectors */ |
| #define BAP0 0 /* Used for receiving packets */ |
| #define BAP1 2 /* Used for xmiting packets and working with RIDS */ |
| |
| /* Flags */ |
| #define COMMAND_BUSY 0x8000 |
| |
| #define BAP_BUSY 0x8000 |
| #define BAP_ERR 0x4000 |
| #define BAP_DONE 0x2000 |
| |
| #define PROMISC 0xffff |
| #define NOPROMISC 0x0000 |
| |
| #define EV_CMD 0x10 |
| #define EV_CLEARCOMMANDBUSY 0x4000 |
| #define EV_RX 0x01 |
| #define EV_TX 0x02 |
| #define EV_TXEXC 0x04 |
| #define EV_ALLOC 0x08 |
| #define EV_LINK 0x80 |
| #define EV_AWAKE 0x100 |
| #define EV_TXCPY 0x400 |
| #define EV_UNKNOWN 0x800 |
| #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */ |
| #define EV_AWAKEN 0x2000 |
| #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC) |
| |
| #ifdef CHECK_UNKNOWN_INTS |
| #define IGNORE_INTS ( EV_CMD | EV_UNKNOWN) |
| #else |
| #define IGNORE_INTS (~STATUS_INTS) |
| #endif |
| |
| /* RID TYPES */ |
| #define RID_RW 0x20 |
| |
| /* The RIDs */ |
| #define RID_CAPABILITIES 0xFF00 |
| #define RID_APINFO 0xFF01 |
| #define RID_RADIOINFO 0xFF02 |
| #define RID_UNKNOWN3 0xFF03 |
| #define RID_RSSI 0xFF04 |
| #define RID_CONFIG 0xFF10 |
| #define RID_SSID 0xFF11 |
| #define RID_APLIST 0xFF12 |
| #define RID_DRVNAME 0xFF13 |
| #define RID_ETHERENCAP 0xFF14 |
| #define RID_WEP_TEMP 0xFF15 |
| #define RID_WEP_PERM 0xFF16 |
| #define RID_MODULATION 0xFF17 |
| #define RID_OPTIONS 0xFF18 |
| #define RID_ACTUALCONFIG 0xFF20 /*readonly*/ |
| #define RID_FACTORYCONFIG 0xFF21 |
| #define RID_UNKNOWN22 0xFF22 |
| #define RID_LEAPUSERNAME 0xFF23 |
| #define RID_LEAPPASSWORD 0xFF24 |
| #define RID_STATUS 0xFF50 |
| #define RID_BEACON_HST 0xFF51 |
| #define RID_BUSY_HST 0xFF52 |
| #define RID_RETRIES_HST 0xFF53 |
| #define RID_UNKNOWN54 0xFF54 |
| #define RID_UNKNOWN55 0xFF55 |
| #define RID_UNKNOWN56 0xFF56 |
| #define RID_MIC 0xFF57 |
| #define RID_STATS16 0xFF60 |
| #define RID_STATS16DELTA 0xFF61 |
| #define RID_STATS16DELTACLEAR 0xFF62 |
| #define RID_STATS 0xFF68 |
| #define RID_STATSDELTA 0xFF69 |
| #define RID_STATSDELTACLEAR 0xFF6A |
| #define RID_ECHOTEST_RID 0xFF70 |
| #define RID_ECHOTEST_RESULTS 0xFF71 |
| #define RID_BSSLISTFIRST 0xFF72 |
| #define RID_BSSLISTNEXT 0xFF73 |
| #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 extenstions */ |
| #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 { |
| u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2]; |
| u64 accum; // accumulated mic, reduced to u32 in final() |
| int position; // current position (byte offset) in message |
| union { |
| u8 d8[4]; |
| __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 register, u16 value ); |
| static unsigned short IN4500( struct airo_info *, u16 register ); |
| static u16 setup_card(struct airo_info*, u8 *mac, 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); |
| 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); |
| static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket); |
| |
| 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_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); |
| static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev); |
| static void airo_read_wireless_stats (struct airo_info *local); |
| #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_WSTATS 8 |
| #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_cipher *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; |
| |
| /* 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_cipher *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_cipher *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_cipher("aes", 0, CRYPTO_ALG_ASYNC); |
| |
| 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,frame->da + ETH_ALEN * 2,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, eth->da + ETH_ALEN*2,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) * context->coeff[coeff_position++]; |
| |
| static unsigned char aes_counter[16]; |
| |
| /* expand the key to fill the MMH coefficient array */ |
| static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, |
| struct crypto_cipher *tfm) |
| { |
| /* take the keying material, expand if necessary, truncate at 16-bytes */ |
| /* run through AES counter mode to generate context->coeff[] */ |
| |
| int i,j; |
| u32 counter; |
| u8 *cipher, plain[16]; |
| |
| crypto_cipher_setkey(tfm, pkey, 16); |
| counter = 0; |
| for (i = 0; i < ARRAY_SIZE(context->coeff); ) { |
| aes_counter[15] = (u8)(counter >> 0); |
| aes_counter[14] = (u8)(counter >> 8); |
| aes_counter[13] = (u8)(counter >> 16); |
| aes_counter[12] = (u8)(counter >> 24); |
| counter++; |
| memcpy (plain, aes_counter, 16); |
| crypto_cipher_encrypt_one(tfm, plain, plain); |
| cipher = plain; |
| for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) { |
| context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]); |
| j += 4; |
| } |
| } |
| } |
| |
| /* 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); |
| 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 readAPListRid(struct airo_info *ai, APListRid *aplr) |
| { |
| return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1); |
| } |
| |
| 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 && !(ai->flags & FLAG_RADIO_DOWN)) { |
| 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 commited, 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, 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; |
| } |
| 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 immediatly after it. ------------------------------------------------ |
| * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA| |
| * ------------------------------------------------ |
| */ |
| |
| memcpy((char *)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 automaticly 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)); |
| |
| dev->trans_start = jiffies; |
| |
| /* 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) { |
| 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); |
| up(&priv->sem); |
| |
| i = 0; |
| if ( status == SUCCESS ) { |
| dev->trans_start = jiffies; |
| 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; |
| } |
| |
| /* 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); |
| return NETDEV_TX_OK; |
| } |
| |
| static void airo_end_xmit11(struct net_device *dev) { |
| 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); |
| up(&priv->sem); |
| |
| i = MAX_FIDS / 2; |
| if ( status == SUCCESS ) { |
| dev->trans_start = jiffies; |
| 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; |
| } |
| |
| /* 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); |
| 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)) { |
| /* Get stats out of the card if available */ |
| if (down_trylock(&local->sem) != 0) { |
| set_bit(JOB_STATS, &local->jobs); |
| wake_up_interruptible(&local->thr_wait); |
| } else |
| airo_read_stats(dev); |
| } |
| |
| return &dev->stats; |
| } |
| |
| static void airo_set_promisc(struct airo_info *ai) { |
| 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); |
| 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); |
| } |
| |
| 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); |
| memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len); |
| if (ai->wifidev) |
| memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len); |
| return 0; |
| } |
| |
| static int airo_change_mtu(struct net_device *dev, int new_mtu) |
| { |
| if ((new_mtu < 68) || (new_mtu > 2400)) |
| return -EINVAL; |
| dev->mtu = new_mtu; |
| return 0; |
| } |
| |
| static 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->APList); |
| 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); |
| pci_free_consistent(ai->pci, PCI_SHARED_LEN, |
| ai->shared, ai->shared_dma); |
| } |
| } |
| crypto_free_cipher(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 decriptors |
| * 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); |
| 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); |
| 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); |
| 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 issueing 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 = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma); |
| if (!ai->shared) { |
| airo_print_err("", "Couldn't alloc_consistent %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: |
| pci_free_consistent(pci, 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_do_ioctl = airo_ioctl, |
| .ndo_change_mtu = airo_change_mtu, |
| }; |
| |
| 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->addr_len = ETH_ALEN; |
| dev->tx_queue_len = 100; |
| |
| memset(dev->broadcast,0xFF, ETH_ALEN); |
| |
| 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", 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); |
| memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len); |
| 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 = |
| kzalloc(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_multicast_list = airo_set_multicast_list, |
| .ndo_set_mac_address = airo_set_mac_address, |
| .ndo_do_ioctl = airo_ioctl, |
| .ndo_change_mtu = airo_change_mtu, |
| .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_multicast_list = airo_set_multicast_list, |
| .ndo_set_mac_address = airo_set_mac_address, |
| .ndo_do_ioctl = airo_ioctl, |
| .ndo_change_mtu = airo_change_mtu, |
| .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), "", 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); |
| |
| 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; |
| |
| 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->dev_addr, 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) { |
| pci_free_consistent(pci, 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->dev_addr, 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: |
| 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_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; |
| } |
| 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); |
| else if (test_bit(JOB_XMIT11, &ai->jobs)) |
| airo_end_xmit11(dev); |
| else if (test_bit(JOB_STATS, &ai->jobs)) |
| airo_read_stats(dev); |
| else if (test_bit(JOB_WSTATS, &ai->jobs)) |
| airo_read_wireless_stats(ai); |
| else if (test_bit(JOB_PROMISC, &ai->jobs)) |
| airo_set_promisc(ai); |
| 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, "unknow 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, "unknow 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); |
| |
| if (down_trylock(&ai->sem) != 0) { |
| set_bit(JOB_EVENT, &ai->jobs); |
| wake_up_interruptible(&ai->thr_wait); |
| } else |
| airo_send_event(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 */ |
| memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN); |
| wrqu.ap_addr.sa_family = ARPHRD_ETHER; |
| wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL); |
| } |
| } |
| |
| 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 = (__le16 *) 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, len = 0, 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) { |
| len = ai->fids[i] >> 16; |
| 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); |
| 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 && down_interruptible(&ai->sem)) |
| return; |
| |
| if (test_bit(FLAG_ENABLED, &ai->flags)) { |
| memset(&cmd, 0, sizeof(cmd)); |
| cmd.cmd = MAC_DISABLE; // disable in case already enabled |
| issuecommand(ai, &cmd, &rsp); |
| clear_bit(FLAG_ENABLED, &ai->flags); |
| } |
| if (lock) |
| 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 = (u16*)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 u16 setup_card(struct airo_info *ai, u8 *mac, 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 ) != 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) != 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) { |
| int i; |
| tdsRssiRid rssi_rid; |
| CapabilityRid cap_rid; |
| |
| kfree(ai->APList); |
| ai->APList = NULL; |
| 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; |
| ai->config.authType = 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 */ |
| for( i = 0; i < ETH_ALEN; i++ ) { |
| mac[i] = ai->config.macAddr[i]; |
| } |
| |
| /* 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); |
| } |
| |
| /* 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) { |
| // 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 (!in_atomic() && (max_tries & 255) == 0) |
| schedule(); |
| } |
| |
| if ( max_tries == -1 ) { |
| airo_print_err(ai->dev->name, |
| "Max tries exceeded when issueing 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); |
| 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); |
| |
| 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 isnt 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((char *)ai->config_desc.virtual_host_addr, |
| pBuf, len); |
| |
| rc = issuecommand(ai, &cmd, &rsp); |
| 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) != 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) |
| { |
| __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) != 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) |
| { |
| __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) != 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 file_operations proc_statsdelta_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .open = proc_statsdelta_open, |
| .release = proc_close |
| }; |
| |
| static const struct file_operations proc_stats_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .open = proc_stats_open, |
| .release = proc_close |
| }; |
| |
| static const struct file_operations proc_status_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .open = proc_status_open, |
| .release = proc_close |
| }; |
| |
| static const struct file_operations proc_SSID_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .write = proc_write, |
| .open = proc_SSID_open, |
| .release = proc_close |
| }; |
| |
| static const struct file_operations proc_BSSList_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .write = proc_write, |
| .open = proc_BSSList_open, |
| .release = proc_close |
| }; |
| |
| static const struct file_operations proc_APList_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .write = proc_write, |
| .open = proc_APList_open, |
| .release = proc_close |
| }; |
| |
| static const struct file_operations proc_config_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .write = proc_write, |
| .open = proc_config_open, |
| .release = proc_close |
| }; |
| |
| static const struct file_operations proc_wepkey_ops = { |
| .owner = THIS_MODULE, |
| .read = proc_read, |
| .write = proc_write, |
| .open = proc_wepkey_open, |
| .release = proc_close |
| }; |
| |
| 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 = create_proc_entry(apriv->proc_name, |
| S_IFDIR|airo_perm, |
| airo_entry); |
| if (!apriv->proc_entry) |
| goto fail; |
| apriv->proc_entry->uid = proc_uid; |
| apriv->proc_entry->gid = proc_gid; |
| |
| /* Setup the StatsDelta */ |
| entry = proc_create_data("StatsDelta", |
| S_IFREG | (S_IRUGO&proc_perm), |
| apriv->proc_entry, &proc_statsdelta_ops, dev); |
| if (!entry) |
| goto fail_stats_delta; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| /* Setup the Stats */ |
| entry = proc_create_data("Stats", |
| S_IFREG | (S_IRUGO&proc_perm), |
| apriv->proc_entry, &proc_stats_ops, dev); |
| if (!entry) |
| goto fail_stats; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| /* Setup the Status */ |
| entry = proc_create_data("Status", |
| S_IFREG | (S_IRUGO&proc_perm), |
| apriv->proc_entry, &proc_status_ops, dev); |
| if (!entry) |
| goto fail_status; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| /* Setup the Config */ |
| entry = proc_create_data("Config", |
| S_IFREG | proc_perm, |
| apriv->proc_entry, &proc_config_ops, dev); |
| if (!entry) |
| goto fail_config; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| /* Setup the SSID */ |
| entry = proc_create_data("SSID", |
| S_IFREG | proc_perm, |
| apriv->proc_entry, &proc_SSID_ops, dev); |
| if (!entry) |
| goto fail_ssid; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| /* Setup the APList */ |
| entry = proc_create_data("APList", |
| S_IFREG | proc_perm, |
| apriv->proc_entry, &proc_APList_ops, dev); |
| if (!entry) |
| goto fail_aplist; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| /* Setup the BSSList */ |
| entry = proc_create_data("BSSList", |
| S_IFREG | proc_perm, |
| apriv->proc_entry, &proc_BSSList_ops, dev); |
| if (!entry) |
| goto fail_bsslist; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| /* Setup the WepKey */ |
| entry = proc_create_data("WepKey", |
| S_IFREG | proc_perm, |
| apriv->proc_entry, &proc_wepkey_ops, dev); |
| if (!entry) |
| goto fail_wepkey; |
| entry->uid = proc_uid; |
| entry->gid = proc_gid; |
| |
| return 0; |
| |
| fail_wepkey: |
| remove_proc_entry("BSSList", apriv->proc_entry); |
| fail_bsslist: |
| remove_proc_entry("APList", apriv->proc_entry); |
| fail_aplist: |
| remove_proc_entry("SSID", apriv->proc_entry); |
| fail_ssid: |
| remove_proc_entry("Config", apriv->proc_entry); |
| fail_config: |
| remove_proc_entry("Status", apriv->proc_entry); |
| fail_status: |
| remove_proc_entry("Stats", apriv->proc_entry); |
| fail_stats: |
| remove_proc_entry("StatsDelta", apriv->proc_entry); |
| fail_stats_delta: |
| remove_proc_entry(apriv->proc_name, airo_entry); |
| fail: |
| return -ENOMEM; |
| } |
| |
| static int takedown_proc_entry( struct net_device *dev, |
| struct airo_info *apriv ) { |
| if ( !apriv->proc_entry->namelen ) return 0; |
| remove_proc_entry("Stats",apriv->proc_entry); |
| remove_proc_entry("StatsDelta",apriv->proc_entry); |
| remove_proc_entry("Status",apriv->proc_entry); |
| remove_proc_entry("Config",apriv->proc_entry); |
| remove_proc_entry("SSID",apriv->proc_entry); |
| remove_proc_entry("APList",apriv->proc_entry); |
| remove_proc_entry("BSSList",apriv->proc_entry); |
| remove_proc_entry("WepKey",apriv->proc_entry); |
| remove_proc_entry(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 ) |
| { |
| loff_t pos = *offset; |
| struct proc_data *priv = file->private_data; |
| |
| if (!priv->wbuffer) |
| return -EINVAL; |
| |
| if (pos < 0) |
| return -EINVAL; |
| if (pos >= priv->maxwritelen) |
| return 0; |
| if (len > priv->maxwritelen - pos) |
| len = priv->maxwritelen - pos; |
| if (copy_from_user(priv->wbuffer + pos, buffer, len)) |
| return -EFAULT; |
| if ( pos + len > priv->writelen ) |
| priv->writelen = len + file->f_pos; |
| *offset = pos + len; |
| return len; |
| } |
| |
| static int proc_status_open(struct inode *inode, struct file *file) |
| { |
| struct proc_data *data; |
| struct proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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 disasterous 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, void *zwrq, |
| 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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': |
| ai->config.authType = AUTH_SHAREDKEY; |
| break; |
| case 'e': |
| ai->config.authType = AUTH_ENCRYPT; |
| break; |
| default: |
| ai->config.authType = 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| struct airo_info *ai = dev->ml_priv; |
| APListRid APList_rid; |
| 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++ ) { |
| int j; |
| for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) { |
| switch(j%3) { |
| case 0: |
| APList_rid.ap[i][j/3]= |
| hex_to_bin(data->wbuffer[j+i*6*3])<<4; |
| break; |
| case 1: |
| APList_rid.ap[i][j/3]|= |
| hex_to_bin(data->wbuffer[j+i*6*3]); |
| break; |
| } |
| } |
| } |
| 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 char *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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| struct airo_info *ai = dev->ml_priv; |
| int i, rc; |
| char 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++ ) { |
| switch(i%3) { |
| case 0: |
| key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4; |
| break; |
| case 1: |
| key[i/3] |= hex_to_bin(data->wbuffer[i+j]); |
| 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| struct airo_info *ai = dev->ml_priv; |
| int i; |
| char *ptr; |
| APListRid APList_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 = 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; |
| |
| readAPListRid(ai, &APList_rid); |
| ptr = data->rbuffer; |
| for( i = 0; i < 4; i++ ) { |
| // We end when we find a zero MAC |
| if ( !*(int*)APList_rid.ap[i] && |
| !*(int*)&APList_rid.ap[i][2]) break; |
| ptr += sprintf(ptr, "%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 proc_dir_entry *dp = PDE(inode); |
| struct net_device *dev = dp->data; |
| 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) return -ENETDOWN; |
| memset(&cmd, 0, sizeof(cmd)); |
| cmd.cmd=CMD_LISTBSS; |
| if (down_interruptible(&ai->sem)) |
| return -ERESTARTSYS; |
| issuecommand(ai, &cmd, &rsp); |
| 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 __devinit 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 __devexit 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); |
| pci_set_drvdata(pdev, NULL); |
| } |
| |
| static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct airo_info *ai = dev->ml_priv; |
| Cmd cmd; |
| Resp rsp; |
| |
| if (!ai->APList) |
| ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL); |
| if (!ai->APList) |
| return -ENOMEM; |
| if (!ai->SSID) |
| ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL); |
| if (!ai->SSID) |
| return -ENOMEM; |
| readAPListRid(ai, ai->APList); |
| 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 = state; |
| cmd.cmd = HOSTSLEEP; |
| issuecommand(ai, &cmd, &rsp); |
| |
| pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); |
| pci_save_state(pdev); |
| pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| return 0; |
| } |
| |
| static int airo_pci_resume(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct airo_info *ai = dev->ml_priv; |
| pci_power_t prev_state = pdev->current_state; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_restore_state(pdev); |
| pci_enable_wake(pdev, PCI_D0, 0); |
| |
| if (prev_state != PCI_D1) { |
| reset_card(dev, 0); |
| mpi_init_descriptors(ai); |
| setup_card(ai, dev->dev_addr, 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; |
| } |
| if (ai->APList) { |
| writeAPListRid(ai, ai->APList, 0); |
| kfree(ai->APList); |
| ai->APList = NULL; |
| } |
| 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; |
| |
| airo_entry = create_proc_entry("driver/aironet", |
| S_IFDIR | airo_perm, |
| NULL); |
| |
| if (airo_entry) { |
| airo_entry->uid = proc_uid; |
| airo_entry->gid = proc_gid; |
| } |
| |
| 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, |
| char *cwrq, |
| char *extra) |
| { |
| strcpy(cwrq, "IEEE 802.11-DS"); |
| return 0; |
| } |
| |
| /*------------------------------------------------------------------*/ |
| /* |
| * Wireless Handler : set frequency |
| */ |
| static int airo_set_freq(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_freq *fwrq, |
| char *extra) |
| { |
| 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_freq_to_dsss_chan(f); |
| } |
| /* Setting by channel number */ |
| if((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, |
| struct iw_freq *fwrq, |
| char *extra) |
| { |
| 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 = ieee80211_dsss_chan_to_freq(ch) * 100000; |
| 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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, |
| struct sockaddr *awrq, |
| char *extra) |
| { |
| struct airo_info *local = dev->ml_priv; |
| Cmd cmd; |
| Resp rsp; |
| APListRid APList_rid; |
| static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; |
| static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
| |
| if (awrq->sa_family != ARPHRD_ETHER) |
| return -EINVAL; |
| else if (!memcmp(any, awrq->sa_data, ETH_ALEN) || |
| !memcmp(off, awrq->sa_data, ETH_ALEN)) { |
| memset(&cmd, 0, sizeof(cmd)); |
| cmd.cmd=CMD_LOSE_SYNC; |
| if (down_interruptible(&local->sem)) |
| return -ERESTARTSYS; |
| issuecommand(local, &cmd, &rsp); |
| 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, |
| struct sockaddr *awrq, |
| char *extra) |
| { |
| 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| struct airo_info *local = dev->ml_priv; |
| StatusRid status_rid; /* Card status info */ |
| |
| readStatusRid(local, &status_rid, 1); |
| |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| __u32 *uwrq, |
| char *extra) |
| { |
| struct airo_info *local = dev->ml_priv; |
| int reset = 0; |
| |
| readConfigRid(local, 1); |
| if (sniffing_mode(local)) |
| reset = 1; |
| |
| switch(*uwrq) { |
| 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, |
| __u32 *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 = IW_MODE_INFRA; |
| break; |
| case MODE_AP: |
| *uwrq = IW_MODE_MASTER; |
| break; |
| case MODE_AP_RPTR: |
| *uwrq = IW_MODE_REPEAT; |
| break; |
| default: |
| *uwrq = 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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)) { |
| local->config.authType = 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) |
| local->config.authType = AUTH_OPEN; // disable encryption |
| if(dwrq->flags & IW_ENCODE_RESTRICTED) |
| local->config.authType = AUTH_SHAREDKEY; // Only Both |
| if(dwrq->flags & IW_ENCODE_OPEN) |
| local->config.authType = 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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) |
| local->config.authType = AUTH_OPEN; // disable encryption |
| if(encoding->flags & IW_ENCODE_RESTRICTED) |
| local->config.authType = AUTH_SHAREDKEY; // Only Both |
| if(encoding->flags & IW_ENCODE_OPEN) |
| local->config.authType = AUTH_ENCRYPT; // Only Wep |
| /* 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) |
| local->config.authType = AUTH_ENCRYPT; |
| } else { |
| local->config.authType = 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: { |
| /* FIXME: What about AUTH_OPEN? This API seems to |
| * disallow setting our auth to AUTH_OPEN. |
| */ |
| if (param->value & IW_AUTH_ALG_SHARED_KEY) { |
| local->config.authType = AUTH_SHAREDKEY; |
| } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { |
| local->config.authType = AUTH_ENCRYPT; |
| } 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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 = ieee80211_dsss_chan_to_freq(i + 1) * 100000; |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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); |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_param *vwrq, |
| char *extra) |
| { |
| 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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(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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| struct airo_info *ai = dev->ml_priv; |
| Cmd cmd; |
| Resp rsp; |
| int wake = 0; |
| |
| /* 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; |
| |
| /* Initiate a scan command */ |
| ai->scan_timeout = RUN_AT(3*HZ); |
| memset(&cmd, 0, sizeof(cmd)); |
| cmd.cmd=CMD_LISTBSS; |
| issuecommand(ai, &cmd, &rsp); |
| 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 = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000; |
| 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_GENERIC: |
| 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, |
| struct iw_point *dwrq, |
| char *extra) |
| { |
| 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 */ |
| void *zwrq, /* 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)) { |
| APListRid APList_rid; |
| SsidRid SSID_rid; |
| |
| readAPListRid(local, &APList_rid); |
| readSsidRid(local, &SSID_rid); |
| if (test_bit(FLAG_MPI,&local->flags)) |
| setup_card(local, dev->dev_addr, 1 ); |
| else |
| reset_airo_card(dev); |
| disable_MAC(local, 1); |
| writeSsidRid(local, &SSID_rid, 1); |
| writeAPListRid(local, &APList_rid, 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); |
| 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) airo_config_commit, /* SIOCSIWCOMMIT */ |
| (iw_handler) airo_get_name, /* SIOCGIWNAME */ |
| (iw_handler) NULL, /* SIOCSIWNWID */ |
| (iw_handler) NULL, /* SIOCGIWNWID */ |
| (iw_handler) airo_set_freq, /* SIOCSIWFREQ */ |
| (iw_handler) airo_get_freq, /* SIOCGIWFREQ */ |
| (iw_handler) airo_set_mode, /* SIOCSIWMODE */ |
| (iw_handler) airo_get_mode, /* SIOCGIWMODE */ |
| (iw_handler) airo_set_sens, /* SIOCSIWSENS */ |
| (iw_handler) airo_get_sens, /* SIOCGIWSENS */ |
| (iw_handler) NULL, /* SIOCSIWRANGE */ |
| (iw_handler) airo_get_range, /* SIOCGIWRANGE */ |
| (iw_handler) NULL, /* SIOCSIWPRIV */ |
| (iw_handler) NULL, /* SIOCGIWPRIV */ |
| (iw_handler) NULL, /* SIOCSIWSTATS */ |
| (iw_handler) NULL, /* SIOCGIWSTATS */ |
| iw_handler_set_spy, /* SIOCSIWSPY */ |
| iw_handler_get_spy, /* SIOCGIWSPY */ |
| iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ |
| iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ |
| (iw_handler) airo_set_wap, /* SIOCSIWAP */ |
| (iw_handler) airo_get_wap, /* SIOCGIWAP */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */ |
| (iw_handler) airo_set_scan, /* SIOCSIWSCAN */ |
| (iw_handler) airo_get_scan, /* SIOCGIWSCAN */ |
| (iw_handler) airo_set_essid, /* SIOCSIWESSID */ |
| (iw_handler) airo_get_essid, /* SIOCGIWESSID */ |
| (iw_handler) airo_set_nick, /* SIOCSIWNICKN */ |
| (iw_handler) airo_get_nick, /* SIOCGIWNICKN */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) airo_set_rate, /* SIOCSIWRATE */ |
| (iw_handler) airo_get_rate, /* SIOCGIWRATE */ |
| (iw_handler) airo_set_rts, /* SIOCSIWRTS */ |
| (iw_handler) airo_get_rts, /* SIOCGIWRTS */ |
| (iw_handler) airo_set_frag, /* SIOCSIWFRAG */ |
| (iw_handler) airo_get_frag, /* SIOCGIWFRAG */ |
| (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */ |
| (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */ |
| (iw_handler) airo_set_retry, /* SIOCSIWRETRY */ |
| (iw_handler) airo_get_retry, /* SIOCGIWRETRY */ |
| (iw_handler) airo_set_encode, /* SIOCSIWENCODE */ |
| (iw_handler) airo_get_encode, /* SIOCGIWENCODE */ |
| (iw_handler) airo_set_power, /* SIOCSIWPOWER */ |
| (iw_handler) airo_get_power, /* SIOCGIWPOWER */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) NULL, /* -- hole -- */ |
| (iw_handler) NULL, /* SIOCSIWGENIE */ |
| (iw_handler) NULL, /* SIOCGIWGENIE */ |
| (iw_handler) airo_set_auth, /* SIOCSIWAUTH */ |
| (iw_handler) airo_get_auth, /* SIOCGIWAUTH */ |
| (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */ |
| (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */ |
| (iw_handler) NULL, /* SIOCSIWPMKSA */ |
| }; |
| |
| /* 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_ioctl(struct net_device *dev, struct ifreq *rq, 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,rq->ifr_data,sizeof(com))) |
| rc = -EFAULT; |
| else if (copy_to_user(com.data,(char *)&val,sizeof(val))) |
| rc = -EFAULT; |
| } |
| break; |
| |
| case AIROIOCTL: |
| #ifdef AIROOLDIOCTL |
| case AIROOLDIOCTL: |
| #endif |
| /* Get the command struct and hand it off for evaluation by |
| * the proper subfunction |
| */ |
| { |
| aironet_ioctl com; |
| if (copy_from_user(&com,rq->ifr_data,sizeof(com))) { |
| rc = -EFAULT; |
| break; |
| } |
| |
| /* 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 */ |
| clear_bit(JOB_WSTATS, &local->jobs); |
| if (local->power.event) { |
| up(&local->sem); |
| return; |
| } |
| readCapabilityRid(local, &cap_rid, 0); |
| readStatusRid(local, &status_rid, 0); |
| readStatsRid(local, &stats_rid, RID_STATS, 0); |
| up(&local->sem); |
| |
| /* 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 (!test_bit(JOB_WSTATS, &local->jobs)) { |
| /* Get stats out of the card if available */ |
| if (down_trylock(&local->sem) != 0) { |
| set_bit(JOB_WSTATS, &local->jobs); |
| wake_up_interruptible(&local->thr_wait); |
| } else |
| airo_read_wireless_stats(local); |
| } |
| |
| 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; |
| /* Only super-user can read WEP keys */ |
| if (!capable(CAP_NET_ADMIN)) |
| return -EPERM; |
| break; |
| case AIROGWEPKNV: ridcode = RID_WEP_PERM; |
| /* Only super-user can read WEP keys */ |
| if (!capable(CAP_NET_ADMIN)) |
| return -EPERM; |
| break; |
| case AIROGSTAT: ridcode = RID_STATUS; break; |
| case AIROGSTATSD32: ridcode = RID_STATSDELTA; break; |
| case AIROGSTATSC32: ridcode = RID_STATS; break; |
| 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; |
| break; |
| } |
| |
| if ((iobuf = kmalloc(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; |
| static 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->dev_addr, 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); |