1/*====================================================================== 2 3 Aironet driver for 4500 and 4800 series cards 4 5 This code is released under both the GPL version 2 and BSD licenses. 6 Either license may be used. The respective licenses are found at 7 the end of this file. 8 9 This code was developed by Benjamin Reed <breed@users.sourceforge.net> 10 including portions of which come from the Aironet PC4500 11 Developer's Reference Manual and used with permission. Copyright 12 (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use 13 code in the Developer's manual was granted for this driver by 14 Aironet. Major code contributions were received from Javier Achirica 15 <achirica@users.sourceforge.net> and Jean Tourrilhes <jt@hpl.hp.com>. 16 Code was also integrated from the Cisco Aironet driver for Linux. 17 Support for MPI350 cards was added by Fabrice Bellet 18 <fabrice@bellet.info>. 19 20======================================================================*/ 21 22#include <linux/err.h> 23#include <linux/init.h> 24 25#include <linux/kernel.h> 26#include <linux/module.h> 27#include <linux/proc_fs.h> 28 29#include <linux/sched.h> 30#include <linux/ptrace.h> 31#include <linux/slab.h> 32#include <linux/string.h> 33#include <linux/timer.h> 34#include <linux/interrupt.h> 35#include <linux/in.h> 36#include <linux/bitops.h> 37#include <linux/scatterlist.h> 38#include <linux/crypto.h> 39#include <asm/io.h> 40#include <asm/system.h> 41#include <asm/unaligned.h> 42 43#include <linux/netdevice.h> 44#include <linux/etherdevice.h> 45#include <linux/skbuff.h> 46#include <linux/if_arp.h> 47#include <linux/ioport.h> 48#include <linux/pci.h> 49#include <asm/uaccess.h> 50#include <linux/kthread.h> 51#include <linux/freezer.h> 52 53#include <linux/ieee80211.h> 54#include <net/iw_handler.h> 55 56#include "airo.h" 57 58#define DRV_NAME "airo" 59 60#ifdef CONFIG_PCI 61static DEFINE_PCI_DEVICE_TABLE(card_ids) = { 62 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, }, 63 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID }, 64 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, }, 65 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, }, 66 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, }, 67 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, }, 68 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, }, 69 { 0, } 70}; 71MODULE_DEVICE_TABLE(pci, card_ids); 72 73static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *); 74static void airo_pci_remove(struct pci_dev *); 75static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state); 76static int airo_pci_resume(struct pci_dev *pdev); 77 78static struct pci_driver airo_driver = { 79 .name = DRV_NAME, 80 .id_table = card_ids, 81 .probe = airo_pci_probe, 82 .remove = __devexit_p(airo_pci_remove), 83 .suspend = airo_pci_suspend, 84 .resume = airo_pci_resume, 85}; 86#endif /* CONFIG_PCI */ 87 88/* Include Wireless Extension definition and check version - Jean II */ 89#include <linux/wireless.h> 90#define WIRELESS_SPY /* enable iwspy support */ 91#include <net/iw_handler.h> /* New driver API */ 92 93#define CISCO_EXT /* enable Cisco extensions */ 94#ifdef CISCO_EXT 95#include <linux/delay.h> 96#endif 97 98/* Hack to do some power saving */ 99#define POWER_ON_DOWN 100 101/* As you can see this list is HUGH! 102 I really don't know what a lot of these counts are about, but they 103 are all here for completeness. If the IGNLABEL macro is put in 104 infront of the label, that statistic will not be included in the list 105 of statistics in the /proc filesystem */ 106 107#define IGNLABEL(comment) NULL 108static const char *statsLabels[] = { 109 "RxOverrun", 110 IGNLABEL("RxPlcpCrcErr"), 111 IGNLABEL("RxPlcpFormatErr"), 112 IGNLABEL("RxPlcpLengthErr"), 113 "RxMacCrcErr", 114 "RxMacCrcOk", 115 "RxWepErr", 116 "RxWepOk", 117 "RetryLong", 118 "RetryShort", 119 "MaxRetries", 120 "NoAck", 121 "NoCts", 122 "RxAck", 123 "RxCts", 124 "TxAck", 125 "TxRts", 126 "TxCts", 127 "TxMc", 128 "TxBc", 129 "TxUcFrags", 130 "TxUcPackets", 131 "TxBeacon", 132 "RxBeacon", 133 "TxSinColl", 134 "TxMulColl", 135 "DefersNo", 136 "DefersProt", 137 "DefersEngy", 138 "DupFram", 139 "RxFragDisc", 140 "TxAged", 141 "RxAged", 142 "LostSync-MaxRetry", 143 "LostSync-MissedBeacons", 144 "LostSync-ArlExceeded", 145 "LostSync-Deauth", 146 "LostSync-Disassoced", 147 "LostSync-TsfTiming", 148 "HostTxMc", 149 "HostTxBc", 150 "HostTxUc", 151 "HostTxFail", 152 "HostRxMc", 153 "HostRxBc", 154 "HostRxUc", 155 "HostRxDiscard", 156 IGNLABEL("HmacTxMc"), 157 IGNLABEL("HmacTxBc"), 158 IGNLABEL("HmacTxUc"), 159 IGNLABEL("HmacTxFail"), 160 IGNLABEL("HmacRxMc"), 161 IGNLABEL("HmacRxBc"), 162 IGNLABEL("HmacRxUc"), 163 IGNLABEL("HmacRxDiscard"), 164 IGNLABEL("HmacRxAccepted"), 165 "SsidMismatch", 166 "ApMismatch", 167 "RatesMismatch", 168 "AuthReject", 169 "AuthTimeout", 170 "AssocReject", 171 "AssocTimeout", 172 IGNLABEL("ReasonOutsideTable"), 173 IGNLABEL("ReasonStatus1"), 174 IGNLABEL("ReasonStatus2"), 175 IGNLABEL("ReasonStatus3"), 176 IGNLABEL("ReasonStatus4"), 177 IGNLABEL("ReasonStatus5"), 178 IGNLABEL("ReasonStatus6"), 179 IGNLABEL("ReasonStatus7"), 180 IGNLABEL("ReasonStatus8"), 181 IGNLABEL("ReasonStatus9"), 182 IGNLABEL("ReasonStatus10"), 183 IGNLABEL("ReasonStatus11"), 184 IGNLABEL("ReasonStatus12"), 185 IGNLABEL("ReasonStatus13"), 186 IGNLABEL("ReasonStatus14"), 187 IGNLABEL("ReasonStatus15"), 188 IGNLABEL("ReasonStatus16"), 189 IGNLABEL("ReasonStatus17"), 190 IGNLABEL("ReasonStatus18"), 191 IGNLABEL("ReasonStatus19"), 192 "RxMan", 193 "TxMan", 194 "RxRefresh", 195 "TxRefresh", 196 "RxPoll", 197 "TxPoll", 198 "HostRetries", 199 "LostSync-HostReq", 200 "HostTxBytes", 201 "HostRxBytes", 202 "ElapsedUsec", 203 "ElapsedSec", 204 "LostSyncBetterAP", 205 "PrivacyMismatch", 206 "Jammed", 207 "DiscRxNotWepped", 208 "PhyEleMismatch", 209 (char*)-1 }; 210#ifndef RUN_AT 211#define RUN_AT(x) (jiffies+(x)) 212#endif 213 214 215/* These variables are for insmod, since it seems that the rates 216 can only be set in setup_card. Rates should be a comma separated 217 (no spaces) list of rates (up to 8). */ 218 219static int rates[8]; 220static char *ssids[3]; 221 222static int io[4]; 223static int irq[4]; 224 225static 226int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at. 227 0 means no limit. For old cards this was 4 */ 228 229static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */ 230static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read 231 the bap, needed on some older cards and buses. */ 232static int adhoc; 233 234static int probe = 1; 235 236static int proc_uid /* = 0 */; 237 238static int proc_gid /* = 0 */; 239 240static int airo_perm = 0555; 241 242static int proc_perm = 0644; 243 244MODULE_AUTHOR("Benjamin Reed"); 245MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. " 246 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs."); 247MODULE_LICENSE("Dual BSD/GPL"); 248MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350"); 249module_param_array(io, int, NULL, 0); 250module_param_array(irq, int, NULL, 0); 251module_param_array(rates, int, NULL, 0); 252module_param_array(ssids, charp, NULL, 0); 253module_param(auto_wep, int, 0); 254MODULE_PARM_DESC(auto_wep, 255 "If non-zero, the driver will keep looping through the authentication options until an association is made. " 256 "The value of auto_wep is number of the wep keys to check. " 257 "A value of 2 will try using the key at index 0 and index 1."); 258module_param(aux_bap, int, 0); 259MODULE_PARM_DESC(aux_bap, 260 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. " 261 "Before switching it checks that the switch is needed."); 262module_param(maxencrypt, int, 0); 263MODULE_PARM_DESC(maxencrypt, 264 "The maximum speed that the card can do encryption. " 265 "Units are in 512kbs. " 266 "Zero (default) means there is no limit. " 267 "Older cards used to be limited to 2mbs (4)."); 268module_param(adhoc, int, 0); 269MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode."); 270module_param(probe, int, 0); 271MODULE_PARM_DESC(probe, "If zero, the driver won't start the card."); 272 273module_param(proc_uid, int, 0); 274MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to."); 275module_param(proc_gid, int, 0); 276MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to."); 277module_param(airo_perm, int, 0); 278MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet."); 279module_param(proc_perm, int, 0); 280MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc"); 281 282/* This is a kind of sloppy hack to get this information to OUT4500 and 283 IN4500. I would be extremely interested in the situation where this 284 doesn't work though!!! */ 285static int do8bitIO /* = 0 */; 286 287/* Return codes */ 288#define SUCCESS 0 289#define ERROR -1 290#define NO_PACKET -2 291 292/* Commands */ 293#define NOP2 0x0000 294#define MAC_ENABLE 0x0001 295#define MAC_DISABLE 0x0002 296#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */ 297#define CMD_SOFTRESET 0x0004 298#define HOSTSLEEP 0x0005 299#define CMD_MAGIC_PKT 0x0006 300#define CMD_SETWAKEMASK 0x0007 301#define CMD_READCFG 0x0008 302#define CMD_SETMODE 0x0009 303#define CMD_ALLOCATETX 0x000a 304#define CMD_TRANSMIT 0x000b 305#define CMD_DEALLOCATETX 0x000c 306#define NOP 0x0010 307#define CMD_WORKAROUND 0x0011 308#define CMD_ALLOCATEAUX 0x0020 309#define CMD_ACCESS 0x0021 310#define CMD_PCIBAP 0x0022 311#define CMD_PCIAUX 0x0023 312#define CMD_ALLOCBUF 0x0028 313#define CMD_GETTLV 0x0029 314#define CMD_PUTTLV 0x002a 315#define CMD_DELTLV 0x002b 316#define CMD_FINDNEXTTLV 0x002c 317#define CMD_PSPNODES 0x0030 318#define CMD_SETCW 0x0031 319#define CMD_SETPCF 0x0032 320#define CMD_SETPHYREG 0x003e 321#define CMD_TXTEST 0x003f 322#define MAC_ENABLETX 0x0101 323#define CMD_LISTBSS 0x0103 324#define CMD_SAVECFG 0x0108 325#define CMD_ENABLEAUX 0x0111 326#define CMD_WRITERID 0x0121 327#define CMD_USEPSPNODES 0x0130 328#define MAC_ENABLERX 0x0201 329 330/* Command errors */ 331#define ERROR_QUALIF 0x00 332#define ERROR_ILLCMD 0x01 333#define ERROR_ILLFMT 0x02 334#define ERROR_INVFID 0x03 335#define ERROR_INVRID 0x04 336#define ERROR_LARGE 0x05 337#define ERROR_NDISABL 0x06 338#define ERROR_ALLOCBSY 0x07 339#define ERROR_NORD 0x0B 340#define ERROR_NOWR 0x0C 341#define ERROR_INVFIDTX 0x0D 342#define ERROR_TESTACT 0x0E 343#define ERROR_TAGNFND 0x12 344#define ERROR_DECODE 0x20 345#define ERROR_DESCUNAV 0x21 346#define ERROR_BADLEN 0x22 347#define ERROR_MODE 0x80 348#define ERROR_HOP 0x81 349#define ERROR_BINTER 0x82 350#define ERROR_RXMODE 0x83 351#define ERROR_MACADDR 0x84 352#define ERROR_RATES 0x85 353#define ERROR_ORDER 0x86 354#define ERROR_SCAN 0x87 355#define ERROR_AUTH 0x88 356#define ERROR_PSMODE 0x89 357#define ERROR_RTYPE 0x8A 358#define ERROR_DIVER 0x8B 359#define ERROR_SSID 0x8C 360#define ERROR_APLIST 0x8D 361#define ERROR_AUTOWAKE 0x8E 362#define ERROR_LEAP 0x8F 363 364/* Registers */ 365#define COMMAND 0x00 366#define PARAM0 0x02 367#define PARAM1 0x04 368#define PARAM2 0x06 369#define STATUS 0x08 370#define RESP0 0x0a 371#define RESP1 0x0c 372#define RESP2 0x0e 373#define LINKSTAT 0x10 374#define SELECT0 0x18 375#define OFFSET0 0x1c 376#define RXFID 0x20 377#define TXALLOCFID 0x22 378#define TXCOMPLFID 0x24 379#define DATA0 0x36 380#define EVSTAT 0x30 381#define EVINTEN 0x32 382#define EVACK 0x34 383#define SWS0 0x28 384#define SWS1 0x2a 385#define SWS2 0x2c 386#define SWS3 0x2e 387#define AUXPAGE 0x3A 388#define AUXOFF 0x3C 389#define AUXDATA 0x3E 390 391#define FID_TX 1 392#define FID_RX 2 393/* Offset into aux memory for descriptors */ 394#define AUX_OFFSET 0x800 395/* Size of allocated packets */ 396#define PKTSIZE 1840 397#define RIDSIZE 2048 398/* Size of the transmit queue */ 399#define MAXTXQ 64 400 401/* BAP selectors */ 402#define BAP0 0 /* Used for receiving packets */ 403#define BAP1 2 /* Used for xmiting packets and working with RIDS */ 404 405/* Flags */ 406#define COMMAND_BUSY 0x8000 407 408#define BAP_BUSY 0x8000 409#define BAP_ERR 0x4000 410#define BAP_DONE 0x2000 411 412#define PROMISC 0xffff 413#define NOPROMISC 0x0000 414 415#define EV_CMD 0x10 416#define EV_CLEARCOMMANDBUSY 0x4000 417#define EV_RX 0x01 418#define EV_TX 0x02 419#define EV_TXEXC 0x04 420#define EV_ALLOC 0x08 421#define EV_LINK 0x80 422#define EV_AWAKE 0x100 423#define EV_TXCPY 0x400 424#define EV_UNKNOWN 0x800 425#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */ 426#define EV_AWAKEN 0x2000 427#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC) 428 429#ifdef CHECK_UNKNOWN_INTS 430#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN) 431#else 432#define IGNORE_INTS (~STATUS_INTS) 433#endif 434 435/* RID TYPES */ 436#define RID_RW 0x20 437 438/* The RIDs */ 439#define RID_CAPABILITIES 0xFF00 440#define RID_APINFO 0xFF01 441#define RID_RADIOINFO 0xFF02 442#define RID_UNKNOWN3 0xFF03 443#define RID_RSSI 0xFF04 444#define RID_CONFIG 0xFF10 445#define RID_SSID 0xFF11 446#define RID_APLIST 0xFF12 447#define RID_DRVNAME 0xFF13 448#define RID_ETHERENCAP 0xFF14 449#define RID_WEP_TEMP 0xFF15 450#define RID_WEP_PERM 0xFF16 451#define RID_MODULATION 0xFF17 452#define RID_OPTIONS 0xFF18 453#define RID_ACTUALCONFIG 0xFF20 /*readonly*/ 454#define RID_FACTORYCONFIG 0xFF21 455#define RID_UNKNOWN22 0xFF22 456#define RID_LEAPUSERNAME 0xFF23 457#define RID_LEAPPASSWORD 0xFF24 458#define RID_STATUS 0xFF50 459#define RID_BEACON_HST 0xFF51 460#define RID_BUSY_HST 0xFF52 461#define RID_RETRIES_HST 0xFF53 462#define RID_UNKNOWN54 0xFF54 463#define RID_UNKNOWN55 0xFF55 464#define RID_UNKNOWN56 0xFF56 465#define RID_MIC 0xFF57 466#define RID_STATS16 0xFF60 467#define RID_STATS16DELTA 0xFF61 468#define RID_STATS16DELTACLEAR 0xFF62 469#define RID_STATS 0xFF68 470#define RID_STATSDELTA 0xFF69 471#define RID_STATSDELTACLEAR 0xFF6A 472#define RID_ECHOTEST_RID 0xFF70 473#define RID_ECHOTEST_RESULTS 0xFF71 474#define RID_BSSLISTFIRST 0xFF72 475#define RID_BSSLISTNEXT 0xFF73 476#define RID_WPA_BSSLISTFIRST 0xFF74 477#define RID_WPA_BSSLISTNEXT 0xFF75 478 479typedef struct { 480 u16 cmd; 481 u16 parm0; 482 u16 parm1; 483 u16 parm2; 484} Cmd; 485 486typedef struct { 487 u16 status; 488 u16 rsp0; 489 u16 rsp1; 490 u16 rsp2; 491} Resp; 492 493/* 494 * Rids and endian-ness: The Rids will always be in cpu endian, since 495 * this all the patches from the big-endian guys end up doing that. 496 * so all rid access should use the read/writeXXXRid routines. 497 */ 498 499/* This structure came from an email sent to me from an engineer at 500 aironet for inclusion into this driver */ 501typedef struct WepKeyRid WepKeyRid; 502struct WepKeyRid { 503 __le16 len; 504 __le16 kindex; 505 u8 mac[ETH_ALEN]; 506 __le16 klen; 507 u8 key[16]; 508} __packed; 509 510/* These structures are from the Aironet's PC4500 Developers Manual */ 511typedef struct Ssid Ssid; 512struct Ssid { 513 __le16 len; 514 u8 ssid[32]; 515} __packed; 516 517typedef struct SsidRid SsidRid; 518struct SsidRid { 519 __le16 len; 520 Ssid ssids[3]; 521} __packed; 522 523typedef struct ModulationRid ModulationRid; 524struct ModulationRid { 525 __le16 len; 526 __le16 modulation; 527#define MOD_DEFAULT cpu_to_le16(0) 528#define MOD_CCK cpu_to_le16(1) 529#define MOD_MOK cpu_to_le16(2) 530} __packed; 531 532typedef struct ConfigRid ConfigRid; 533struct ConfigRid { 534 __le16 len; /* sizeof(ConfigRid) */ 535 __le16 opmode; /* operating mode */ 536#define MODE_STA_IBSS cpu_to_le16(0) 537#define MODE_STA_ESS cpu_to_le16(1) 538#define MODE_AP cpu_to_le16(2) 539#define MODE_AP_RPTR cpu_to_le16(3) 540#define MODE_CFG_MASK cpu_to_le16(0xff) 541#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */ 542#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */ 543#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */ 544#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */ 545#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */ 546#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */ 547#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */ 548#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */ 549#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */ 550 __le16 rmode; /* receive mode */ 551#define RXMODE_BC_MC_ADDR cpu_to_le16(0) 552#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */ 553#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */ 554#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */ 555#define RXMODE_RFMON_ANYBSS cpu_to_le16(4) 556#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */ 557#define RXMODE_MASK cpu_to_le16(255) 558#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */ 559#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER) 560#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */ 561 __le16 fragThresh; 562 __le16 rtsThres; 563 u8 macAddr[ETH_ALEN]; 564 u8 rates[8]; 565 __le16 shortRetryLimit; 566 __le16 longRetryLimit; 567 __le16 txLifetime; /* in kusec */ 568 __le16 rxLifetime; /* in kusec */ 569 __le16 stationary; 570 __le16 ordering; 571 __le16 u16deviceType; /* for overriding device type */ 572 __le16 cfpRate; 573 __le16 cfpDuration; 574 __le16 _reserved1[3]; 575 /*---------- Scanning/Associating ----------*/ 576 __le16 scanMode; 577#define SCANMODE_ACTIVE cpu_to_le16(0) 578#define SCANMODE_PASSIVE cpu_to_le16(1) 579#define SCANMODE_AIROSCAN cpu_to_le16(2) 580 __le16 probeDelay; /* in kusec */ 581 __le16 probeEnergyTimeout; /* in kusec */ 582 __le16 probeResponseTimeout; 583 __le16 beaconListenTimeout; 584 __le16 joinNetTimeout; 585 __le16 authTimeout; 586 __le16 authType; 587#define AUTH_OPEN cpu_to_le16(0x1) 588#define AUTH_ENCRYPT cpu_to_le16(0x101) 589#define AUTH_SHAREDKEY cpu_to_le16(0x102) 590#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200) 591 __le16 associationTimeout; 592 __le16 specifiedApTimeout; 593 __le16 offlineScanInterval; 594 __le16 offlineScanDuration; 595 __le16 linkLossDelay; 596 __le16 maxBeaconLostTime; 597 __le16 refreshInterval; 598#define DISABLE_REFRESH cpu_to_le16(0xFFFF) 599 __le16 _reserved1a[1]; 600 /*---------- Power save operation ----------*/ 601 __le16 powerSaveMode; 602#define POWERSAVE_CAM cpu_to_le16(0) 603#define POWERSAVE_PSP cpu_to_le16(1) 604#define POWERSAVE_PSPCAM cpu_to_le16(2) 605 __le16 sleepForDtims; 606 __le16 listenInterval; 607 __le16 fastListenInterval; 608 __le16 listenDecay; 609 __le16 fastListenDelay; 610 __le16 _reserved2[2]; 611 /*---------- Ap/Ibss config items ----------*/ 612 __le16 beaconPeriod; 613 __le16 atimDuration; 614 __le16 hopPeriod; 615 __le16 channelSet; 616 __le16 channel; 617 __le16 dtimPeriod; 618 __le16 bridgeDistance; 619 __le16 radioID; 620 /*---------- Radio configuration ----------*/ 621 __le16 radioType; 622#define RADIOTYPE_DEFAULT cpu_to_le16(0) 623#define RADIOTYPE_802_11 cpu_to_le16(1) 624#define RADIOTYPE_LEGACY cpu_to_le16(2) 625 u8 rxDiversity; 626 u8 txDiversity; 627 __le16 txPower; 628#define TXPOWER_DEFAULT 0 629 __le16 rssiThreshold; 630#define RSSI_DEFAULT 0 631 __le16 modulation; 632#define PREAMBLE_AUTO cpu_to_le16(0) 633#define PREAMBLE_LONG cpu_to_le16(1) 634#define PREAMBLE_SHORT cpu_to_le16(2) 635 __le16 preamble; 636 __le16 homeProduct; 637 __le16 radioSpecific; 638 /*---------- Aironet Extensions ----------*/ 639 u8 nodeName[16]; 640 __le16 arlThreshold; 641 __le16 arlDecay; 642 __le16 arlDelay; 643 __le16 _reserved4[1]; 644 /*---------- Aironet Extensions ----------*/ 645 u8 magicAction; 646#define MAGIC_ACTION_STSCHG 1 647#define MAGIC_ACTION_RESUME 2 648#define MAGIC_IGNORE_MCAST (1<<8) 649#define MAGIC_IGNORE_BCAST (1<<9) 650#define MAGIC_SWITCH_TO_PSP (0<<10) 651#define MAGIC_STAY_IN_CAM (1<<10) 652 u8 magicControl; 653 __le16 autoWake; 654} __packed; 655 656typedef struct StatusRid StatusRid; 657struct StatusRid { 658 __le16 len; 659 u8 mac[ETH_ALEN]; 660 __le16 mode; 661 __le16 errorCode; 662 __le16 sigQuality; 663 __le16 SSIDlen; 664 char SSID[32]; 665 char apName[16]; 666 u8 bssid[4][ETH_ALEN]; 667 __le16 beaconPeriod; 668 __le16 dimPeriod; 669 __le16 atimDuration; 670 __le16 hopPeriod; 671 __le16 channelSet; 672 __le16 channel; 673 __le16 hopsToBackbone; 674 __le16 apTotalLoad; 675 __le16 generatedLoad; 676 __le16 accumulatedArl; 677 __le16 signalQuality; 678 __le16 currentXmitRate; 679 __le16 apDevExtensions; 680 __le16 normalizedSignalStrength; 681 __le16 shortPreamble; 682 u8 apIP[4]; 683 u8 noisePercent; /* Noise percent in last second */ 684 u8 noisedBm; /* Noise dBm in last second */ 685 u8 noiseAvePercent; /* Noise percent in last minute */ 686 u8 noiseAvedBm; /* Noise dBm in last minute */ 687 u8 noiseMaxPercent; /* Highest noise percent in last minute */ 688 u8 noiseMaxdBm; /* Highest noise dbm in last minute */ 689 __le16 load; 690 u8 carrier[4]; 691 __le16 assocStatus; 692#define STAT_NOPACKETS 0 693#define STAT_NOCARRIERSET 10 694#define STAT_GOTCARRIERSET 11 695#define STAT_WRONGSSID 20 696#define STAT_BADCHANNEL 25 697#define STAT_BADBITRATES 30 698#define STAT_BADPRIVACY 35 699#define STAT_APFOUND 40 700#define STAT_APREJECTED 50 701#define STAT_AUTHENTICATING 60 702#define STAT_DEAUTHENTICATED 61 703#define STAT_AUTHTIMEOUT 62 704#define STAT_ASSOCIATING 70 705#define STAT_DEASSOCIATED 71 706#define STAT_ASSOCTIMEOUT 72 707#define STAT_NOTAIROAP 73 708#define STAT_ASSOCIATED 80 709#define STAT_LEAPING 90 710#define STAT_LEAPFAILED 91 711#define STAT_LEAPTIMEDOUT 92 712#define STAT_LEAPCOMPLETE 93 713} __packed; 714 715typedef struct StatsRid StatsRid; 716struct StatsRid { 717 __le16 len; 718 __le16 spacer; 719 __le32 vals[100]; 720} __packed; 721 722typedef struct APListRid APListRid; 723struct APListRid { 724 __le16 len; 725 u8 ap[4][ETH_ALEN]; 726} __packed; 727 728typedef struct CapabilityRid CapabilityRid; 729struct CapabilityRid { 730 __le16 len; 731 char oui[3]; 732 char zero; 733 __le16 prodNum; 734 char manName[32]; 735 char prodName[16]; 736 char prodVer[8]; 737 char factoryAddr[ETH_ALEN]; 738 char aironetAddr[ETH_ALEN]; 739 __le16 radioType; 740 __le16 country; 741 char callid[ETH_ALEN]; 742 char supportedRates[8]; 743 char rxDiversity; 744 char txDiversity; 745 __le16 txPowerLevels[8]; 746 __le16 hardVer; 747 __le16 hardCap; 748 __le16 tempRange; 749 __le16 softVer; 750 __le16 softSubVer; 751 __le16 interfaceVer; 752 __le16 softCap; 753 __le16 bootBlockVer; 754 __le16 requiredHard; 755 __le16 extSoftCap; 756} __packed; 757 758/* Only present on firmware >= 5.30.17 */ 759typedef struct BSSListRidExtra BSSListRidExtra; 760struct BSSListRidExtra { 761 __le16 unknown[4]; 762 u8 fixed[12]; /* WLAN management frame */ 763 u8 iep[624]; 764} __packed; 765 766typedef struct BSSListRid BSSListRid; 767struct BSSListRid { 768 __le16 len; 769 __le16 index; /* First is 0 and 0xffff means end of list */ 770#define RADIO_FH 1 /* Frequency hopping radio type */ 771#define RADIO_DS 2 /* Direct sequence radio type */ 772#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */ 773 __le16 radioType; 774 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */ 775 u8 zero; 776 u8 ssidLen; 777 u8 ssid[32]; 778 __le16 dBm; 779#define CAP_ESS cpu_to_le16(1<<0) 780#define CAP_IBSS cpu_to_le16(1<<1) 781#define CAP_PRIVACY cpu_to_le16(1<<4) 782#define CAP_SHORTHDR cpu_to_le16(1<<5) 783 __le16 cap; 784 __le16 beaconInterval; 785 u8 rates[8]; /* Same as rates for config rid */ 786 struct { /* For frequency hopping only */ 787 __le16 dwell; 788 u8 hopSet; 789 u8 hopPattern; 790 u8 hopIndex; 791 u8 fill; 792 } fh; 793 __le16 dsChannel; 794 __le16 atimWindow; 795 796 /* Only present on firmware >= 5.30.17 */ 797 BSSListRidExtra extra; 798} __packed; 799 800typedef struct { 801 BSSListRid bss; 802 struct list_head list; 803} BSSListElement; 804 805typedef struct tdsRssiEntry tdsRssiEntry; 806struct tdsRssiEntry { 807 u8 rssipct; 808 u8 rssidBm; 809} __packed; 810 811typedef struct tdsRssiRid tdsRssiRid; 812struct tdsRssiRid { 813 u16 len; 814 tdsRssiEntry x[256]; 815} __packed; 816 817typedef struct MICRid MICRid; 818struct MICRid { 819 __le16 len; 820 __le16 state; 821 __le16 multicastValid; 822 u8 multicast[16]; 823 __le16 unicastValid; 824 u8 unicast[16]; 825} __packed; 826 827typedef struct MICBuffer MICBuffer; 828struct MICBuffer { 829 __be16 typelen; 830 831 union { 832 u8 snap[8]; 833 struct { 834 u8 dsap; 835 u8 ssap; 836 u8 control; 837 u8 orgcode[3]; 838 u8 fieldtype[2]; 839 } llc; 840 } u; 841 __be32 mic; 842 __be32 seq; 843} __packed; 844 845typedef struct { 846 u8 da[ETH_ALEN]; 847 u8 sa[ETH_ALEN]; 848} etherHead; 849 850#define TXCTL_TXOK (1<<1) /* report if tx is ok */ 851#define TXCTL_TXEX (1<<2) /* report if tx fails */ 852#define TXCTL_802_3 (0<<3) /* 802.3 packet */ 853#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */ 854#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */ 855#define TXCTL_LLC (1<<4) /* payload is llc */ 856#define TXCTL_RELEASE (0<<5) /* release after completion */ 857#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */ 858 859#define BUSY_FID 0x10000 860 861#ifdef CISCO_EXT 862#define AIROMAGIC 0xa55a 863/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */ 864#ifdef SIOCIWFIRSTPRIV 865#ifdef SIOCDEVPRIVATE 866#define AIROOLDIOCTL SIOCDEVPRIVATE 867#define AIROOLDIDIFC AIROOLDIOCTL + 1 868#endif /* SIOCDEVPRIVATE */ 869#else /* SIOCIWFIRSTPRIV */ 870#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE 871#endif /* SIOCIWFIRSTPRIV */ 872/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably 873 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root 874 * only and don't return the modified struct ifreq to the application which 875 * is usually a problem. - Jean II */ 876#define AIROIOCTL SIOCIWFIRSTPRIV 877#define AIROIDIFC AIROIOCTL + 1 878 879/* Ioctl constants to be used in airo_ioctl.command */ 880 881#define AIROGCAP 0 // Capability rid 882#define AIROGCFG 1 // USED A LOT 883#define AIROGSLIST 2 // System ID list 884#define AIROGVLIST 3 // List of specified AP's 885#define AIROGDRVNAM 4 // NOTUSED 886#define AIROGEHTENC 5 // NOTUSED 887#define AIROGWEPKTMP 6 888#define AIROGWEPKNV 7 889#define AIROGSTAT 8 890#define AIROGSTATSC32 9 891#define AIROGSTATSD32 10 892#define AIROGMICRID 11 893#define AIROGMICSTATS 12 894#define AIROGFLAGS 13 895#define AIROGID 14 896#define AIRORRID 15 897#define AIRORSWVERSION 17 898 899/* Leave gap of 40 commands after AIROGSTATSD32 for future */ 900 901#define AIROPCAP AIROGSTATSD32 + 40 902#define AIROPVLIST AIROPCAP + 1 903#define AIROPSLIST AIROPVLIST + 1 904#define AIROPCFG AIROPSLIST + 1 905#define AIROPSIDS AIROPCFG + 1 906#define AIROPAPLIST AIROPSIDS + 1 907#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */ 908#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */ 909#define AIROPSTCLR AIROPMACOFF + 1 910#define AIROPWEPKEY AIROPSTCLR + 1 911#define AIROPWEPKEYNV AIROPWEPKEY + 1 912#define AIROPLEAPPWD AIROPWEPKEYNV + 1 913#define AIROPLEAPUSR AIROPLEAPPWD + 1 914 915/* Flash codes */ 916 917#define AIROFLSHRST AIROPWEPKEYNV + 40 918#define AIROFLSHGCHR AIROFLSHRST + 1 919#define AIROFLSHSTFL AIROFLSHGCHR + 1 920#define AIROFLSHPCHR AIROFLSHSTFL + 1 921#define AIROFLPUTBUF AIROFLSHPCHR + 1 922#define AIRORESTART AIROFLPUTBUF + 1 923 924#define FLASHSIZE 32768 925#define AUXMEMSIZE (256 * 1024) 926 927typedef struct aironet_ioctl { 928 unsigned short command; // What to do 929 unsigned short len; // Len of data 930 unsigned short ridnum; // rid number 931 unsigned char __user *data; // d-data 932} aironet_ioctl; 933 934static const char swversion[] = "2.1"; 935#endif /* CISCO_EXT */ 936 937#define NUM_MODULES 2 938#define MIC_MSGLEN_MAX 2400 939#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX 940#define AIRO_DEF_MTU 2312 941 942typedef struct { 943 u32 size; // size 944 u8 enabled; // MIC enabled or not 945 u32 rxSuccess; // successful packets received 946 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison 947 u32 rxNotMICed; // pkts dropped due to not being MIC'd 948 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed 949 u32 rxWrongSequence; // pkts dropped due to sequence number violation 950 u32 reserve[32]; 951} mic_statistics; 952 953typedef struct { 954 u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2]; 955 u64 accum; // accumulated mic, reduced to u32 in final() 956 int position; // current position (byte offset) in message 957 union { 958 u8 d8[4]; 959 __be32 d32; 960 } part; // saves partial message word across update() calls 961} emmh32_context; 962 963typedef struct { 964 emmh32_context seed; // Context - the seed 965 u32 rx; // Received sequence number 966 u32 tx; // Tx sequence number 967 u32 window; // Start of window 968 u8 valid; // Flag to say if context is valid or not 969 u8 key[16]; 970} miccntx; 971 972typedef struct { 973 miccntx mCtx; // Multicast context 974 miccntx uCtx; // Unicast context 975} mic_module; 976 977typedef struct { 978 unsigned int rid: 16; 979 unsigned int len: 15; 980 unsigned int valid: 1; 981 dma_addr_t host_addr; 982} Rid; 983 984typedef struct { 985 unsigned int offset: 15; 986 unsigned int eoc: 1; 987 unsigned int len: 15; 988 unsigned int valid: 1; 989 dma_addr_t host_addr; 990} TxFid; 991 992struct rx_hdr { 993 __le16 status, len; 994 u8 rssi[2]; 995 u8 rate; 996 u8 freq; 997 __le16 tmp[4]; 998} __packed; 999 1000typedef struct { 1001 unsigned int ctl: 15; 1002 unsigned int rdy: 1; 1003 unsigned int len: 15; 1004 unsigned int valid: 1; 1005 dma_addr_t host_addr; 1006} RxFid; 1007 1008/* 1009 * Host receive descriptor 1010 */ 1011typedef struct { 1012 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1013 desc */ 1014 RxFid rx_desc; /* card receive descriptor */ 1015 char *virtual_host_addr; /* virtual address of host receive 1016 buffer */ 1017 int pending; 1018} HostRxDesc; 1019 1020/* 1021 * Host transmit descriptor 1022 */ 1023typedef struct { 1024 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1025 desc */ 1026 TxFid tx_desc; /* card transmit descriptor */ 1027 char *virtual_host_addr; /* virtual address of host receive 1028 buffer */ 1029 int pending; 1030} HostTxDesc; 1031 1032/* 1033 * Host RID descriptor 1034 */ 1035typedef struct { 1036 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1037 descriptor */ 1038 Rid rid_desc; /* card RID descriptor */ 1039 char *virtual_host_addr; /* virtual address of host receive 1040 buffer */ 1041} HostRidDesc; 1042 1043typedef struct { 1044 u16 sw0; 1045 u16 sw1; 1046 u16 status; 1047 u16 len; 1048#define HOST_SET (1 << 0) 1049#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */ 1050#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */ 1051#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */ 1052#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */ 1053#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */ 1054#define HOST_CLR_AID (1 << 7) /* clear AID failure */ 1055#define HOST_RTS (1 << 9) /* Force RTS use */ 1056#define HOST_SHORT (1 << 10) /* Do short preamble */ 1057 u16 ctl; 1058 u16 aid; 1059 u16 retries; 1060 u16 fill; 1061} TxCtlHdr; 1062 1063typedef struct { 1064 u16 ctl; 1065 u16 duration; 1066 char addr1[6]; 1067 char addr2[6]; 1068 char addr3[6]; 1069 u16 seq; 1070 char addr4[6]; 1071} WifiHdr; 1072 1073 1074typedef struct { 1075 TxCtlHdr ctlhdr; 1076 u16 fill1; 1077 u16 fill2; 1078 WifiHdr wifihdr; 1079 u16 gaplen; 1080 u16 status; 1081} WifiCtlHdr; 1082 1083static WifiCtlHdr wifictlhdr8023 = { 1084 .ctlhdr = { 1085 .ctl = HOST_DONT_RLSE, 1086 } 1087}; 1088 1089// A few details needed for WEP (Wireless Equivalent Privacy) 1090#define MAX_KEY_SIZE 13 // 128 (?) bits 1091#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP 1092typedef struct wep_key_t { 1093 u16 len; 1094 u8 key[16]; /* 40-bit and 104-bit keys */ 1095} wep_key_t; 1096 1097/* List of Wireless Handlers (new API) */ 1098static const struct iw_handler_def airo_handler_def; 1099 1100static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)"; 1101 1102struct airo_info; 1103 1104static int get_dec_u16( char *buffer, int *start, int limit ); 1105static void OUT4500( struct airo_info *, u16 register, u16 value ); 1106static unsigned short IN4500( struct airo_info *, u16 register ); 1107static u16 setup_card(struct airo_info*, u8 *mac, int lock); 1108static int enable_MAC(struct airo_info *ai, int lock); 1109static void disable_MAC(struct airo_info *ai, int lock); 1110static void enable_interrupts(struct airo_info*); 1111static void disable_interrupts(struct airo_info*); 1112static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp); 1113static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap); 1114static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, 1115 int whichbap); 1116static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, 1117 int whichbap); 1118static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen, 1119 int whichbap); 1120static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd); 1121static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock); 1122static int PC4500_writerid(struct airo_info*, u16 rid, const void 1123 *pBuf, int len, int lock); 1124static int do_writerid( struct airo_info*, u16 rid, const void *rid_data, 1125 int len, int dummy ); 1126static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw); 1127static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket); 1128static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket); 1129 1130static int mpi_send_packet (struct net_device *dev); 1131static void mpi_unmap_card(struct pci_dev *pci); 1132static void mpi_receive_802_3(struct airo_info *ai); 1133static void mpi_receive_802_11(struct airo_info *ai); 1134static int waitbusy (struct airo_info *ai); 1135 1136static irqreturn_t airo_interrupt( int irq, void* dev_id); 1137static int airo_thread(void *data); 1138static void timer_func( struct net_device *dev ); 1139static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 1140static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev); 1141static void airo_read_wireless_stats (struct airo_info *local); 1142#ifdef CISCO_EXT 1143static int readrids(struct net_device *dev, aironet_ioctl *comp); 1144static int writerids(struct net_device *dev, aironet_ioctl *comp); 1145static int flashcard(struct net_device *dev, aironet_ioctl *comp); 1146#endif /* CISCO_EXT */ 1147static void micinit(struct airo_info *ai); 1148static int micsetup(struct airo_info *ai); 1149static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len); 1150static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen); 1151 1152static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi); 1153static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm); 1154 1155static void airo_networks_free(struct airo_info *ai); 1156 1157struct airo_info { 1158 struct net_device *dev; 1159 struct list_head dev_list; 1160 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we 1161 use the high bit to mark whether it is in use. */ 1162#define MAX_FIDS 6 1163#define MPI_MAX_FIDS 1 1164 u32 fids[MAX_FIDS]; 1165 ConfigRid config; 1166 char keyindex; // Used with auto wep 1167 char defindex; // Used with auto wep 1168 struct proc_dir_entry *proc_entry; 1169 spinlock_t aux_lock; 1170#define FLAG_RADIO_OFF 0 /* User disabling of MAC */ 1171#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */ 1172#define FLAG_RADIO_MASK 0x03 1173#define FLAG_ENABLED 2 1174#define FLAG_ADHOC 3 /* Needed by MIC */ 1175#define FLAG_MIC_CAPABLE 4 1176#define FLAG_UPDATE_MULTI 5 1177#define FLAG_UPDATE_UNI 6 1178#define FLAG_802_11 7 1179#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ 1180#define FLAG_PENDING_XMIT 9 1181#define FLAG_PENDING_XMIT11 10 1182#define FLAG_MPI 11 1183#define FLAG_REGISTERED 12 1184#define FLAG_COMMIT 13 1185#define FLAG_RESET 14 1186#define FLAG_FLASHING 15 1187#define FLAG_WPA_CAPABLE 16 1188 unsigned long flags; 1189#define JOB_DIE 0 1190#define JOB_XMIT 1 1191#define JOB_XMIT11 2 1192#define JOB_STATS 3 1193#define JOB_PROMISC 4 1194#define JOB_MIC 5 1195#define JOB_EVENT 6 1196#define JOB_AUTOWEP 7 1197#define JOB_WSTATS 8 1198#define JOB_SCAN_RESULTS 9 1199 unsigned long jobs; 1200 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen, 1201 int whichbap); 1202 unsigned short *flash; 1203 tdsRssiEntry *rssi; 1204 struct task_struct *list_bss_task; 1205 struct task_struct *airo_thread_task; 1206 struct semaphore sem; 1207 wait_queue_head_t thr_wait; 1208 unsigned long expires; 1209 struct { 1210 struct sk_buff *skb; 1211 int fid; 1212 } xmit, xmit11; 1213 struct net_device *wifidev; 1214 struct iw_statistics wstats; // wireless stats 1215 unsigned long scan_timeout; /* Time scan should be read */ 1216 struct iw_spy_data spy_data; 1217 struct iw_public_data wireless_data; 1218 /* MIC stuff */ 1219 struct crypto_cipher *tfm; 1220 mic_module mod[2]; 1221 mic_statistics micstats; 1222 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors 1223 HostTxDesc txfids[MPI_MAX_FIDS]; 1224 HostRidDesc config_desc; 1225 unsigned long ridbus; // phys addr of config_desc 1226 struct sk_buff_head txq;// tx queue used by mpi350 code 1227 struct pci_dev *pci; 1228 unsigned char __iomem *pcimem; 1229 unsigned char __iomem *pciaux; 1230 unsigned char *shared; 1231 dma_addr_t shared_dma; 1232 pm_message_t power; 1233 SsidRid *SSID; 1234 APListRid *APList; 1235#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE 1236 char proc_name[IFNAMSIZ]; 1237 1238 int wep_capable; 1239 int max_wep_idx; 1240 1241 /* WPA-related stuff */ 1242 unsigned int bssListFirst; 1243 unsigned int bssListNext; 1244 unsigned int bssListRidLen; 1245 1246 struct list_head network_list; 1247 struct list_head network_free_list; 1248 BSSListElement *networks; 1249}; 1250 1251static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen, 1252 int whichbap) 1253{ 1254 return ai->bap_read(ai, pu16Dst, bytelen, whichbap); 1255} 1256 1257static int setup_proc_entry( struct net_device *dev, 1258 struct airo_info *apriv ); 1259static int takedown_proc_entry( struct net_device *dev, 1260 struct airo_info *apriv ); 1261 1262static int cmdreset(struct airo_info *ai); 1263static int setflashmode (struct airo_info *ai); 1264static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime); 1265static int flashputbuf(struct airo_info *ai); 1266static int flashrestart(struct airo_info *ai,struct net_device *dev); 1267 1268#define airo_print(type, name, fmt, args...) \ 1269 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args) 1270 1271#define airo_print_info(name, fmt, args...) \ 1272 airo_print(KERN_INFO, name, fmt, ##args) 1273 1274#define airo_print_dbg(name, fmt, args...) \ 1275 airo_print(KERN_DEBUG, name, fmt, ##args) 1276 1277#define airo_print_warn(name, fmt, args...) \ 1278 airo_print(KERN_WARNING, name, fmt, ##args) 1279 1280#define airo_print_err(name, fmt, args...) \ 1281 airo_print(KERN_ERR, name, fmt, ##args) 1282 1283#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash) 1284 1285/*********************************************************************** 1286 * MIC ROUTINES * 1287 *********************************************************************** 1288 */ 1289 1290static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq); 1291static void MoveWindow(miccntx *context, u32 micSeq); 1292static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, 1293 struct crypto_cipher *tfm); 1294static void emmh32_init(emmh32_context *context); 1295static void emmh32_update(emmh32_context *context, u8 *pOctets, int len); 1296static void emmh32_final(emmh32_context *context, u8 digest[4]); 1297static int flashpchar(struct airo_info *ai,int byte,int dwelltime); 1298 1299static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len, 1300 struct crypto_cipher *tfm) 1301{ 1302 /* If the current MIC context is valid and its key is the same as 1303 * the MIC register, there's nothing to do. 1304 */ 1305 if (cur->valid && (memcmp(cur->key, key, key_len) == 0)) 1306 return; 1307 1308 /* Age current mic Context */ 1309 memcpy(old, cur, sizeof(*cur)); 1310 1311 /* Initialize new context */ 1312 memcpy(cur->key, key, key_len); 1313 cur->window = 33; /* Window always points to the middle */ 1314 cur->rx = 0; /* Rx Sequence numbers */ 1315 cur->tx = 0; /* Tx sequence numbers */ 1316 cur->valid = 1; /* Key is now valid */ 1317 1318 /* Give key to mic seed */ 1319 emmh32_setseed(&cur->seed, key, key_len, tfm); 1320} 1321 1322/* micinit - Initialize mic seed */ 1323 1324static void micinit(struct airo_info *ai) 1325{ 1326 MICRid mic_rid; 1327 1328 clear_bit(JOB_MIC, &ai->jobs); 1329 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0); 1330 up(&ai->sem); 1331 1332 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0; 1333 if (!ai->micstats.enabled) { 1334 /* So next time we have a valid key and mic is enabled, we will 1335 * update the sequence number if the key is the same as before. 1336 */ 1337 ai->mod[0].uCtx.valid = 0; 1338 ai->mod[0].mCtx.valid = 0; 1339 return; 1340 } 1341 1342 if (mic_rid.multicastValid) { 1343 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx, 1344 mic_rid.multicast, sizeof(mic_rid.multicast), 1345 ai->tfm); 1346 } 1347 1348 if (mic_rid.unicastValid) { 1349 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx, 1350 mic_rid.unicast, sizeof(mic_rid.unicast), 1351 ai->tfm); 1352 } 1353} 1354 1355/* micsetup - Get ready for business */ 1356 1357static int micsetup(struct airo_info *ai) { 1358 int i; 1359 1360 if (ai->tfm == NULL) 1361 ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC); 1362 1363 if (IS_ERR(ai->tfm)) { 1364 airo_print_err(ai->dev->name, "failed to load transform for AES"); 1365 ai->tfm = NULL; 1366 return ERROR; 1367 } 1368 1369 for (i=0; i < NUM_MODULES; i++) { 1370 memset(&ai->mod[i].mCtx,0,sizeof(miccntx)); 1371 memset(&ai->mod[i].uCtx,0,sizeof(miccntx)); 1372 } 1373 return SUCCESS; 1374} 1375 1376static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02}; 1377 1378/*=========================================================================== 1379 * Description: Mic a packet 1380 * 1381 * Inputs: etherHead * pointer to an 802.3 frame 1382 * 1383 * Returns: BOOLEAN if successful, otherwise false. 1384 * PacketTxLen will be updated with the mic'd packets size. 1385 * 1386 * Caveats: It is assumed that the frame buffer will already 1387 * be big enough to hold the largets mic message possible. 1388 * (No memory allocation is done here). 1389 * 1390 * Author: sbraneky (10/15/01) 1391 * Merciless hacks by rwilcher (1/14/02) 1392 */ 1393 1394static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen) 1395{ 1396 miccntx *context; 1397 1398 // Determine correct context 1399 // If not adhoc, always use unicast key 1400 1401 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1)) 1402 context = &ai->mod[0].mCtx; 1403 else 1404 context = &ai->mod[0].uCtx; 1405 1406 if (!context->valid) 1407 return ERROR; 1408 1409 mic->typelen = htons(payLen + 16); //Length of Mic'd packet 1410 1411 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap 1412 1413 // Add Tx sequence 1414 mic->seq = htonl(context->tx); 1415 context->tx += 2; 1416 1417 emmh32_init(&context->seed); // Mic the packet 1418 emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA 1419 emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap 1420 emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ 1421 emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload 1422 emmh32_final(&context->seed, (u8*)&mic->mic); 1423 1424 /* New Type/length ?????????? */ 1425 mic->typelen = 0; //Let NIC know it could be an oversized packet 1426 return SUCCESS; 1427} 1428 1429typedef enum { 1430 NONE, 1431 NOMIC, 1432 NOMICPLUMMED, 1433 SEQUENCE, 1434 INCORRECTMIC, 1435} mic_error; 1436 1437/*=========================================================================== 1438 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet 1439 * (removes the MIC stuff) if packet is a valid packet. 1440 * 1441 * Inputs: etherHead pointer to the 802.3 packet 1442 * 1443 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE 1444 * 1445 * Author: sbraneky (10/15/01) 1446 * Merciless hacks by rwilcher (1/14/02) 1447 *--------------------------------------------------------------------------- 1448 */ 1449 1450static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen) 1451{ 1452 int i; 1453 u32 micSEQ; 1454 miccntx *context; 1455 u8 digest[4]; 1456 mic_error micError = NONE; 1457 1458 // Check if the packet is a Mic'd packet 1459 1460 if (!ai->micstats.enabled) { 1461 //No Mic set or Mic OFF but we received a MIC'd packet. 1462 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) { 1463 ai->micstats.rxMICPlummed++; 1464 return ERROR; 1465 } 1466 return SUCCESS; 1467 } 1468 1469 if (ntohs(mic->typelen) == 0x888E) 1470 return SUCCESS; 1471 1472 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) { 1473 // Mic enabled but packet isn't Mic'd 1474 ai->micstats.rxMICPlummed++; 1475 return ERROR; 1476 } 1477 1478 micSEQ = ntohl(mic->seq); //store SEQ as CPU order 1479 1480 //At this point we a have a mic'd packet and mic is enabled 1481 //Now do the mic error checking. 1482 1483 //Receive seq must be odd 1484 if ( (micSEQ & 1) == 0 ) { 1485 ai->micstats.rxWrongSequence++; 1486 return ERROR; 1487 } 1488 1489 for (i = 0; i < NUM_MODULES; i++) { 1490 int mcast = eth->da[0] & 1; 1491 //Determine proper context 1492 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx; 1493 1494 //Make sure context is valid 1495 if (!context->valid) { 1496 if (i == 0) 1497 micError = NOMICPLUMMED; 1498 continue; 1499 } 1500 //DeMic it 1501 1502 if (!mic->typelen) 1503 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2); 1504 1505 emmh32_init(&context->seed); 1506 emmh32_update(&context->seed, eth->da, ETH_ALEN*2); 1507 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap)); 1508 emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq)); 1509 emmh32_update(&context->seed, (u8 *)(eth + 1),payLen); 1510 //Calculate MIC 1511 emmh32_final(&context->seed, digest); 1512 1513 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match 1514 //Invalid Mic 1515 if (i == 0) 1516 micError = INCORRECTMIC; 1517 continue; 1518 } 1519 1520 //Check Sequence number if mics pass 1521 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) { 1522 ai->micstats.rxSuccess++; 1523 return SUCCESS; 1524 } 1525 if (i == 0) 1526 micError = SEQUENCE; 1527 } 1528 1529 // Update statistics 1530 switch (micError) { 1531 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break; 1532 case SEQUENCE: ai->micstats.rxWrongSequence++; break; 1533 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break; 1534 case NONE: break; 1535 case NOMIC: break; 1536 } 1537 return ERROR; 1538} 1539 1540/*=========================================================================== 1541 * Description: Checks the Rx Seq number to make sure it is valid 1542 * and hasn't already been received 1543 * 1544 * Inputs: miccntx - mic context to check seq against 1545 * micSeq - the Mic seq number 1546 * 1547 * Returns: TRUE if valid otherwise FALSE. 1548 * 1549 * Author: sbraneky (10/15/01) 1550 * Merciless hacks by rwilcher (1/14/02) 1551 *--------------------------------------------------------------------------- 1552 */ 1553 1554static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq) 1555{ 1556 u32 seq,index; 1557 1558 //Allow for the ap being rebooted - if it is then use the next 1559 //sequence number of the current sequence number - might go backwards 1560 1561 if (mcast) { 1562 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) { 1563 clear_bit (FLAG_UPDATE_MULTI, &ai->flags); 1564 context->window = (micSeq > 33) ? micSeq : 33; 1565 context->rx = 0; // Reset rx 1566 } 1567 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) { 1568 clear_bit (FLAG_UPDATE_UNI, &ai->flags); 1569 context->window = (micSeq > 33) ? micSeq : 33; // Move window 1570 context->rx = 0; // Reset rx 1571 } 1572 1573 //Make sequence number relative to START of window 1574 seq = micSeq - (context->window - 33); 1575 1576 //Too old of a SEQ number to check. 1577 if ((s32)seq < 0) 1578 return ERROR; 1579 1580 if ( seq > 64 ) { 1581 //Window is infinite forward 1582 MoveWindow(context,micSeq); 1583 return SUCCESS; 1584 } 1585 1586 // We are in the window. Now check the context rx bit to see if it was already sent 1587 seq >>= 1; //divide by 2 because we only have odd numbers 1588 index = 1 << seq; //Get an index number 1589 1590 if (!(context->rx & index)) { 1591 //micSEQ falls inside the window. 1592 //Add seqence number to the list of received numbers. 1593 context->rx |= index; 1594 1595 MoveWindow(context,micSeq); 1596 1597 return SUCCESS; 1598 } 1599 return ERROR; 1600} 1601 1602static void MoveWindow(miccntx *context, u32 micSeq) 1603{ 1604 u32 shift; 1605 1606 //Move window if seq greater than the middle of the window 1607 if (micSeq > context->window) { 1608 shift = (micSeq - context->window) >> 1; 1609 1610 //Shift out old 1611 if (shift < 32) 1612 context->rx >>= shift; 1613 else 1614 context->rx = 0; 1615 1616 context->window = micSeq; //Move window 1617 } 1618} 1619 1620/*==============================================*/ 1621/*========== EMMH ROUTINES ====================*/ 1622/*==============================================*/ 1623 1624/* mic accumulate */ 1625#define MIC_ACCUM(val) \ 1626 context->accum += (u64)(val) * context->coeff[coeff_position++]; 1627 1628static unsigned char aes_counter[16]; 1629 1630/* expand the key to fill the MMH coefficient array */ 1631static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, 1632 struct crypto_cipher *tfm) 1633{ 1634 /* take the keying material, expand if necessary, truncate at 16-bytes */ 1635 /* run through AES counter mode to generate context->coeff[] */ 1636 1637 int i,j; 1638 u32 counter; 1639 u8 *cipher, plain[16]; 1640 1641 crypto_cipher_setkey(tfm, pkey, 16); 1642 counter = 0; 1643 for (i = 0; i < ARRAY_SIZE(context->coeff); ) { 1644 aes_counter[15] = (u8)(counter >> 0); 1645 aes_counter[14] = (u8)(counter >> 8); 1646 aes_counter[13] = (u8)(counter >> 16); 1647 aes_counter[12] = (u8)(counter >> 24); 1648 counter++; 1649 memcpy (plain, aes_counter, 16); 1650 crypto_cipher_encrypt_one(tfm, plain, plain); 1651 cipher = plain; 1652 for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) { 1653 context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]); 1654 j += 4; 1655 } 1656 } 1657} 1658 1659/* prepare for calculation of a new mic */ 1660static void emmh32_init(emmh32_context *context) 1661{ 1662 /* prepare for new mic calculation */ 1663 context->accum = 0; 1664 context->position = 0; 1665} 1666 1667/* add some bytes to the mic calculation */ 1668static void emmh32_update(emmh32_context *context, u8 *pOctets, int len) 1669{ 1670 int coeff_position, byte_position; 1671 1672 if (len == 0) return; 1673 1674 coeff_position = context->position >> 2; 1675 1676 /* deal with partial 32-bit word left over from last update */ 1677 byte_position = context->position & 3; 1678 if (byte_position) { 1679 /* have a partial word in part to deal with */ 1680 do { 1681 if (len == 0) return; 1682 context->part.d8[byte_position++] = *pOctets++; 1683 context->position++; 1684 len--; 1685 } while (byte_position < 4); 1686 MIC_ACCUM(ntohl(context->part.d32)); 1687 } 1688 1689 /* deal with full 32-bit words */ 1690 while (len >= 4) { 1691 MIC_ACCUM(ntohl(*(__be32 *)pOctets)); 1692 context->position += 4; 1693 pOctets += 4; 1694 len -= 4; 1695 } 1696 1697 /* deal with partial 32-bit word that will be left over from this update */ 1698 byte_position = 0; 1699 while (len > 0) { 1700 context->part.d8[byte_position++] = *pOctets++; 1701 context->position++; 1702 len--; 1703 } 1704} 1705 1706/* mask used to zero empty bytes for final partial word */ 1707static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L }; 1708 1709/* calculate the mic */ 1710static void emmh32_final(emmh32_context *context, u8 digest[4]) 1711{ 1712 int coeff_position, byte_position; 1713 u32 val; 1714 1715 u64 sum, utmp; 1716 s64 stmp; 1717 1718 coeff_position = context->position >> 2; 1719 1720 /* deal with partial 32-bit word left over from last update */ 1721 byte_position = context->position & 3; 1722 if (byte_position) { 1723 /* have a partial word in part to deal with */ 1724 val = ntohl(context->part.d32); 1725 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */ 1726 } 1727 1728 /* reduce the accumulated u64 to a 32-bit MIC */ 1729 sum = context->accum; 1730 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15); 1731 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15); 1732 sum = utmp & 0xffffffffLL; 1733 if (utmp > 0x10000000fLL) 1734 sum -= 15; 1735 1736 val = (u32)sum; 1737 digest[0] = (val>>24) & 0xFF; 1738 digest[1] = (val>>16) & 0xFF; 1739 digest[2] = (val>>8) & 0xFF; 1740 digest[3] = val & 0xFF; 1741} 1742 1743static int readBSSListRid(struct airo_info *ai, int first, 1744 BSSListRid *list) 1745{ 1746 Cmd cmd; 1747 Resp rsp; 1748 1749 if (first == 1) { 1750 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 1751 memset(&cmd, 0, sizeof(cmd)); 1752 cmd.cmd=CMD_LISTBSS; 1753 if (down_interruptible(&ai->sem)) 1754 return -ERESTARTSYS; 1755 ai->list_bss_task = current; 1756 issuecommand(ai, &cmd, &rsp); 1757 up(&ai->sem); 1758 /* Let the command take effect */ 1759 schedule_timeout_uninterruptible(3 * HZ); 1760 ai->list_bss_task = NULL; 1761 } 1762 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext, 1763 list, ai->bssListRidLen, 1); 1764} 1765 1766static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock) 1767{ 1768 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM, 1769 wkr, sizeof(*wkr), lock); 1770} 1771 1772static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock) 1773{ 1774 int rc; 1775 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock); 1776 if (rc!=SUCCESS) 1777 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc); 1778 if (perm) { 1779 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock); 1780 if (rc!=SUCCESS) 1781 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc); 1782 } 1783 return rc; 1784} 1785 1786static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) 1787{ 1788 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1); 1789} 1790 1791static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) 1792{ 1793 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock); 1794} 1795 1796static int readConfigRid(struct airo_info *ai, int lock) 1797{ 1798 int rc; 1799 ConfigRid cfg; 1800 1801 if (ai->config.len) 1802 return SUCCESS; 1803 1804 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock); 1805 if (rc != SUCCESS) 1806 return rc; 1807 1808 ai->config = cfg; 1809 return SUCCESS; 1810} 1811 1812static inline void checkThrottle(struct airo_info *ai) 1813{ 1814 int i; 1815/* Old hardware had a limit on encryption speed */ 1816 if (ai->config.authType != AUTH_OPEN && maxencrypt) { 1817 for(i=0; i<8; i++) { 1818 if (ai->config.rates[i] > maxencrypt) { 1819 ai->config.rates[i] = 0; 1820 } 1821 } 1822 } 1823} 1824 1825static int writeConfigRid(struct airo_info *ai, int lock) 1826{ 1827 ConfigRid cfgr; 1828 1829 if (!test_bit (FLAG_COMMIT, &ai->flags)) 1830 return SUCCESS; 1831 1832 clear_bit (FLAG_COMMIT, &ai->flags); 1833 clear_bit (FLAG_RESET, &ai->flags); 1834 checkThrottle(ai); 1835 cfgr = ai->config; 1836 1837 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 1838 set_bit(FLAG_ADHOC, &ai->flags); 1839 else 1840 clear_bit(FLAG_ADHOC, &ai->flags); 1841 1842 return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock); 1843} 1844 1845static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock) 1846{ 1847 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock); 1848} 1849 1850static int readAPListRid(struct airo_info *ai, APListRid *aplr) 1851{ 1852 return PC4500_readrid(ai, RID_APLIST, aplr, sizeof(*aplr), 1); 1853} 1854 1855static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock) 1856{ 1857 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock); 1858} 1859 1860static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock) 1861{ 1862 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock); 1863} 1864 1865static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) 1866{ 1867 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock); 1868} 1869 1870static void try_auto_wep(struct airo_info *ai) 1871{ 1872 if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) { 1873 ai->expires = RUN_AT(3*HZ); 1874 wake_up_interruptible(&ai->thr_wait); 1875 } 1876} 1877 1878static int airo_open(struct net_device *dev) { 1879 struct airo_info *ai = dev->ml_priv; 1880 int rc = 0; 1881 1882 if (test_bit(FLAG_FLASHING, &ai->flags)) 1883 return -EIO; 1884 1885 /* Make sure the card is configured. 1886 * Wireless Extensions may postpone config changes until the card 1887 * is open (to pipeline changes and speed-up card setup). If 1888 * those changes are not yet committed, do it now - Jean II */ 1889 if (test_bit(FLAG_COMMIT, &ai->flags)) { 1890 disable_MAC(ai, 1); 1891 writeConfigRid(ai, 1); 1892 } 1893 1894 if (ai->wifidev != dev) { 1895 clear_bit(JOB_DIE, &ai->jobs); 1896 ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name); 1897 if (IS_ERR(ai->airo_thread_task)) 1898 return (int)PTR_ERR(ai->airo_thread_task); 1899 1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED, 1901 dev->name, dev); 1902 if (rc) { 1903 airo_print_err(dev->name, 1904 "register interrupt %d failed, rc %d", 1905 dev->irq, rc); 1906 set_bit(JOB_DIE, &ai->jobs); 1907 kthread_stop(ai->airo_thread_task); 1908 return rc; 1909 } 1910 1911 /* Power on the MAC controller (which may have been disabled) */ 1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags); 1913 enable_interrupts(ai); 1914 1915 try_auto_wep(ai); 1916 } 1917 enable_MAC(ai, 1); 1918 1919 netif_start_queue(dev); 1920 return 0; 1921} 1922 1923static netdev_tx_t mpi_start_xmit(struct sk_buff *skb, 1924 struct net_device *dev) 1925{ 1926 int npacks, pending; 1927 unsigned long flags; 1928 struct airo_info *ai = dev->ml_priv; 1929 1930 if (!skb) { 1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__); 1932 return NETDEV_TX_OK; 1933 } 1934 npacks = skb_queue_len (&ai->txq); 1935 1936 if (npacks >= MAXTXQ - 1) { 1937 netif_stop_queue (dev); 1938 if (npacks > MAXTXQ) { 1939 dev->stats.tx_fifo_errors++; 1940 return NETDEV_TX_BUSY; 1941 } 1942 skb_queue_tail (&ai->txq, skb); 1943 return NETDEV_TX_OK; 1944 } 1945 1946 spin_lock_irqsave(&ai->aux_lock, flags); 1947 skb_queue_tail (&ai->txq, skb); 1948 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags); 1949 spin_unlock_irqrestore(&ai->aux_lock,flags); 1950 netif_wake_queue (dev); 1951 1952 if (pending == 0) { 1953 set_bit(FLAG_PENDING_XMIT, &ai->flags); 1954 mpi_send_packet (dev); 1955 } 1956 return NETDEV_TX_OK; 1957} 1958 1959/* 1960 * @mpi_send_packet 1961 * 1962 * Attempt to transmit a packet. Can be called from interrupt 1963 * or transmit . return number of packets we tried to send 1964 */ 1965 1966static int mpi_send_packet (struct net_device *dev) 1967{ 1968 struct sk_buff *skb; 1969 unsigned char *buffer; 1970 s16 len; 1971 __le16 *payloadLen; 1972 struct airo_info *ai = dev->ml_priv; 1973 u8 *sendbuf; 1974 1975 /* get a packet to send */ 1976 1977 if ((skb = skb_dequeue(&ai->txq)) == NULL) { 1978 airo_print_err(dev->name, 1979 "%s: Dequeue'd zero in send_packet()", 1980 __func__); 1981 return 0; 1982 } 1983 1984 /* check min length*/ 1985 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 1986 buffer = skb->data; 1987 1988 ai->txfids[0].tx_desc.offset = 0; 1989 ai->txfids[0].tx_desc.valid = 1; 1990 ai->txfids[0].tx_desc.eoc = 1; 1991 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr); 1992 1993/* 1994 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer 1995 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen 1996 * is immediately after it. ------------------------------------------------ 1997 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA| 1998 * ------------------------------------------------ 1999 */ 2000 2001 memcpy((char *)ai->txfids[0].virtual_host_addr, 2002 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023)); 2003 2004 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr + 2005 sizeof(wifictlhdr8023)); 2006 sendbuf = ai->txfids[0].virtual_host_addr + 2007 sizeof(wifictlhdr8023) + 2 ; 2008 2009 /* 2010 * Firmware automatically puts 802 header on so 2011 * we don't need to account for it in the length 2012 */ 2013 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 2014 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) { 2015 MICBuffer pMic; 2016 2017 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS) 2018 return ERROR; 2019 2020 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic)); 2021 ai->txfids[0].tx_desc.len += sizeof(pMic); 2022 /* copy data into airo dma buffer */ 2023 memcpy (sendbuf, buffer, sizeof(etherHead)); 2024 buffer += sizeof(etherHead); 2025 sendbuf += sizeof(etherHead); 2026 memcpy (sendbuf, &pMic, sizeof(pMic)); 2027 sendbuf += sizeof(pMic); 2028 memcpy (sendbuf, buffer, len - sizeof(etherHead)); 2029 } else { 2030 *payloadLen = cpu_to_le16(len - sizeof(etherHead)); 2031 2032 dev->trans_start = jiffies; 2033 2034 /* copy data into airo dma buffer */ 2035 memcpy(sendbuf, buffer, len); 2036 } 2037 2038 memcpy_toio(ai->txfids[0].card_ram_off, 2039 &ai->txfids[0].tx_desc, sizeof(TxFid)); 2040 2041 OUT4500(ai, EVACK, 8); 2042 2043 dev_kfree_skb_any(skb); 2044 return 1; 2045} 2046 2047static void get_tx_error(struct airo_info *ai, s32 fid) 2048{ 2049 __le16 status; 2050 2051 if (fid < 0) 2052 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status; 2053 else { 2054 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS) 2055 return; 2056 bap_read(ai, &status, 2, BAP0); 2057 } 2058 if (le16_to_cpu(status) & 2) /* Too many retries */ 2059 ai->dev->stats.tx_aborted_errors++; 2060 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */ 2061 ai->dev->stats.tx_heartbeat_errors++; 2062 if (le16_to_cpu(status) & 8) /* Aid fail */ 2063 { } 2064 if (le16_to_cpu(status) & 0x10) /* MAC disabled */ 2065 ai->dev->stats.tx_carrier_errors++; 2066 if (le16_to_cpu(status) & 0x20) /* Association lost */ 2067 { } 2068 /* We produce a TXDROP event only for retry or lifetime 2069 * exceeded, because that's the only status that really mean 2070 * that this particular node went away. 2071 * Other errors means that *we* screwed up. - Jean II */ 2072 if ((le16_to_cpu(status) & 2) || 2073 (le16_to_cpu(status) & 4)) { 2074 union iwreq_data wrqu; 2075 char junk[0x18]; 2076 2077 /* Faster to skip over useless data than to do 2078 * another bap_setup(). We are at offset 0x6 and 2079 * need to go to 0x18 and read 6 bytes - Jean II */ 2080 bap_read(ai, (__le16 *) junk, 0x18, BAP0); 2081 2082 /* Copy 802.11 dest address. 2083 * We use the 802.11 header because the frame may 2084 * not be 802.3 or may be mangled... 2085 * In Ad-Hoc mode, it will be the node address. 2086 * In managed mode, it will be most likely the AP addr 2087 * User space will figure out how to convert it to 2088 * whatever it needs (IP address or else). 2089 * - Jean II */ 2090 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN); 2091 wrqu.addr.sa_family = ARPHRD_ETHER; 2092 2093 /* Send event to user space */ 2094 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL); 2095 } 2096} 2097 2098static void airo_end_xmit(struct net_device *dev) { 2099 u16 status; 2100 int i; 2101 struct airo_info *priv = dev->ml_priv; 2102 struct sk_buff *skb = priv->xmit.skb; 2103 int fid = priv->xmit.fid; 2104 u32 *fids = priv->fids; 2105 2106 clear_bit(JOB_XMIT, &priv->jobs); 2107 clear_bit(FLAG_PENDING_XMIT, &priv->flags); 2108 status = transmit_802_3_packet (priv, fids[fid], skb->data); 2109 up(&priv->sem); 2110 2111 i = 0; 2112 if ( status == SUCCESS ) { 2113 dev->trans_start = jiffies; 2114 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++); 2115 } else { 2116 priv->fids[fid] &= 0xffff; 2117 dev->stats.tx_window_errors++; 2118 } 2119 if (i < MAX_FIDS / 2) 2120 netif_wake_queue(dev); 2121 dev_kfree_skb(skb); 2122} 2123 2124static netdev_tx_t airo_start_xmit(struct sk_buff *skb, 2125 struct net_device *dev) 2126{ 2127 s16 len; 2128 int i, j; 2129 struct airo_info *priv = dev->ml_priv; 2130 u32 *fids = priv->fids; 2131 2132 if ( skb == NULL ) { 2133 airo_print_err(dev->name, "%s: skb == NULL!", __func__); 2134 return NETDEV_TX_OK; 2135 } 2136 2137 /* Find a vacant FID */ 2138 for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ ); 2139 for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ ); 2140 2141 if ( j >= MAX_FIDS / 2 ) { 2142 netif_stop_queue(dev); 2143 2144 if (i == MAX_FIDS / 2) { 2145 dev->stats.tx_fifo_errors++; 2146 return NETDEV_TX_BUSY; 2147 } 2148 } 2149 /* check min length*/ 2150 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 2151 /* Mark fid as used & save length for later */ 2152 fids[i] |= (len << 16); 2153 priv->xmit.skb = skb; 2154 priv->xmit.fid = i; 2155 if (down_trylock(&priv->sem) != 0) { 2156 set_bit(FLAG_PENDING_XMIT, &priv->flags); 2157 netif_stop_queue(dev); 2158 set_bit(JOB_XMIT, &priv->jobs); 2159 wake_up_interruptible(&priv->thr_wait); 2160 } else 2161 airo_end_xmit(dev); 2162 return NETDEV_TX_OK; 2163} 2164 2165static void airo_end_xmit11(struct net_device *dev) { 2166 u16 status; 2167 int i; 2168 struct airo_info *priv = dev->ml_priv; 2169 struct sk_buff *skb = priv->xmit11.skb; 2170 int fid = priv->xmit11.fid; 2171 u32 *fids = priv->fids; 2172 2173 clear_bit(JOB_XMIT11, &priv->jobs); 2174 clear_bit(FLAG_PENDING_XMIT11, &priv->flags); 2175 status = transmit_802_11_packet (priv, fids[fid], skb->data); 2176 up(&priv->sem); 2177 2178 i = MAX_FIDS / 2; 2179 if ( status == SUCCESS ) { 2180 dev->trans_start = jiffies; 2181 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++); 2182 } else { 2183 priv->fids[fid] &= 0xffff; 2184 dev->stats.tx_window_errors++; 2185 } 2186 if (i < MAX_FIDS) 2187 netif_wake_queue(dev); 2188 dev_kfree_skb(skb); 2189} 2190 2191static netdev_tx_t airo_start_xmit11(struct sk_buff *skb, 2192 struct net_device *dev) 2193{ 2194 s16 len; 2195 int i, j; 2196 struct airo_info *priv = dev->ml_priv; 2197 u32 *fids = priv->fids; 2198 2199 if (test_bit(FLAG_MPI, &priv->flags)) { 2200 /* Not implemented yet for MPI350 */ 2201 netif_stop_queue(dev); 2202 dev_kfree_skb_any(skb); 2203 return NETDEV_TX_OK; 2204 } 2205 2206 if ( skb == NULL ) { 2207 airo_print_err(dev->name, "%s: skb == NULL!", __func__); 2208 return NETDEV_TX_OK; 2209 } 2210 2211 /* Find a vacant FID */ 2212 for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ ); 2213 for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ ); 2214 2215 if ( j >= MAX_FIDS ) { 2216 netif_stop_queue(dev); 2217 2218 if (i == MAX_FIDS) { 2219 dev->stats.tx_fifo_errors++; 2220 return NETDEV_TX_BUSY; 2221 } 2222 } 2223 /* check min length*/ 2224 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 2225 /* Mark fid as used & save length for later */ 2226 fids[i] |= (len << 16); 2227 priv->xmit11.skb = skb; 2228 priv->xmit11.fid = i; 2229 if (down_trylock(&priv->sem) != 0) { 2230 set_bit(FLAG_PENDING_XMIT11, &priv->flags); 2231 netif_stop_queue(dev); 2232 set_bit(JOB_XMIT11, &priv->jobs); 2233 wake_up_interruptible(&priv->thr_wait); 2234 } else 2235 airo_end_xmit11(dev); 2236 return NETDEV_TX_OK; 2237} 2238 2239static void airo_read_stats(struct net_device *dev) 2240{ 2241 struct airo_info *ai = dev->ml_priv; 2242 StatsRid stats_rid; 2243 __le32 *vals = stats_rid.vals; 2244 2245 clear_bit(JOB_STATS, &ai->jobs); 2246 if (ai->power.event) { 2247 up(&ai->sem); 2248 return; 2249 } 2250 readStatsRid(ai, &stats_rid, RID_STATS, 0); 2251 up(&ai->sem); 2252 2253 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) + 2254 le32_to_cpu(vals[45]); 2255 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) + 2256 le32_to_cpu(vals[41]); 2257 dev->stats.rx_bytes = le32_to_cpu(vals[92]); 2258 dev->stats.tx_bytes = le32_to_cpu(vals[91]); 2259 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) + 2260 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]); 2261 dev->stats.tx_errors = le32_to_cpu(vals[42]) + 2262 dev->stats.tx_fifo_errors; 2263 dev->stats.multicast = le32_to_cpu(vals[43]); 2264 dev->stats.collisions = le32_to_cpu(vals[89]); 2265 2266 /* detailed rx_errors: */ 2267 dev->stats.rx_length_errors = le32_to_cpu(vals[3]); 2268 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]); 2269 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]); 2270 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]); 2271} 2272 2273static struct net_device_stats *airo_get_stats(struct net_device *dev) 2274{ 2275 struct airo_info *local = dev->ml_priv; 2276 2277 if (!test_bit(JOB_STATS, &local->jobs)) { 2278 /* Get stats out of the card if available */ 2279 if (down_trylock(&local->sem) != 0) { 2280 set_bit(JOB_STATS, &local->jobs); 2281 wake_up_interruptible(&local->thr_wait); 2282 } else 2283 airo_read_stats(dev); 2284 } 2285 2286 return &dev->stats; 2287} 2288 2289static void airo_set_promisc(struct airo_info *ai) { 2290 Cmd cmd; 2291 Resp rsp; 2292 2293 memset(&cmd, 0, sizeof(cmd)); 2294 cmd.cmd=CMD_SETMODE; 2295 clear_bit(JOB_PROMISC, &ai->jobs); 2296 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC; 2297 issuecommand(ai, &cmd, &rsp); 2298 up(&ai->sem); 2299} 2300 2301static void airo_set_multicast_list(struct net_device *dev) { 2302 struct airo_info *ai = dev->ml_priv; 2303 2304 if ((dev->flags ^ ai->flags) & IFF_PROMISC) { 2305 change_bit(FLAG_PROMISC, &ai->flags); 2306 if (down_trylock(&ai->sem) != 0) { 2307 set_bit(JOB_PROMISC, &ai->jobs); 2308 wake_up_interruptible(&ai->thr_wait); 2309 } else 2310 airo_set_promisc(ai); 2311 } 2312 2313 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) { 2314 /* Turn on multicast. (Should be already setup...) */ 2315 } 2316} 2317 2318static int airo_set_mac_address(struct net_device *dev, void *p) 2319{ 2320 struct airo_info *ai = dev->ml_priv; 2321 struct sockaddr *addr = p; 2322 2323 readConfigRid(ai, 1); 2324 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len); 2325 set_bit (FLAG_COMMIT, &ai->flags); 2326 disable_MAC(ai, 1); 2327 writeConfigRid (ai, 1); 2328 enable_MAC(ai, 1); 2329 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len); 2330 if (ai->wifidev) 2331 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len); 2332 return 0; 2333} 2334 2335static int airo_change_mtu(struct net_device *dev, int new_mtu) 2336{ 2337 if ((new_mtu < 68) || (new_mtu > 2400)) 2338 return -EINVAL; 2339 dev->mtu = new_mtu; 2340 return 0; 2341} 2342 2343static LIST_HEAD(airo_devices); 2344 2345static void add_airo_dev(struct airo_info *ai) 2346{ 2347 /* Upper layers already keep track of PCI devices, 2348 * so we only need to remember our non-PCI cards. */ 2349 if (!ai->pci) 2350 list_add_tail(&ai->dev_list, &airo_devices); 2351} 2352 2353static void del_airo_dev(struct airo_info *ai) 2354{ 2355 if (!ai->pci) 2356 list_del(&ai->dev_list); 2357} 2358 2359static int airo_close(struct net_device *dev) { 2360 struct airo_info *ai = dev->ml_priv; 2361 2362 netif_stop_queue(dev); 2363 2364 if (ai->wifidev != dev) { 2365#ifdef POWER_ON_DOWN 2366 /* Shut power to the card. The idea is that the user can save 2367 * power when he doesn't need the card with "ifconfig down". 2368 * That's the method that is most friendly towards the network 2369 * stack (i.e. the network stack won't try to broadcast 2370 * anything on the interface and routes are gone. Jean II */ 2371 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2372 disable_MAC(ai, 1); 2373#endif 2374 disable_interrupts( ai ); 2375 2376 free_irq(dev->irq, dev); 2377 2378 set_bit(JOB_DIE, &ai->jobs); 2379 kthread_stop(ai->airo_thread_task); 2380 } 2381 return 0; 2382} 2383 2384void stop_airo_card( struct net_device *dev, int freeres ) 2385{ 2386 struct airo_info *ai = dev->ml_priv; 2387 2388 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2389 disable_MAC(ai, 1); 2390 disable_interrupts(ai); 2391 takedown_proc_entry( dev, ai ); 2392 if (test_bit(FLAG_REGISTERED, &ai->flags)) { 2393 unregister_netdev( dev ); 2394 if (ai->wifidev) { 2395 unregister_netdev(ai->wifidev); 2396 free_netdev(ai->wifidev); 2397 ai->wifidev = NULL; 2398 } 2399 clear_bit(FLAG_REGISTERED, &ai->flags); 2400 } 2401 /* 2402 * Clean out tx queue 2403 */ 2404 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) { 2405 struct sk_buff *skb = NULL; 2406 for (;(skb = skb_dequeue(&ai->txq));) 2407 dev_kfree_skb(skb); 2408 } 2409 2410 airo_networks_free (ai); 2411 2412 kfree(ai->flash); 2413 kfree(ai->rssi); 2414 kfree(ai->APList); 2415 kfree(ai->SSID); 2416 if (freeres) { 2417 /* PCMCIA frees this stuff, so only for PCI and ISA */ 2418 release_region( dev->base_addr, 64 ); 2419 if (test_bit(FLAG_MPI, &ai->flags)) { 2420 if (ai->pci) 2421 mpi_unmap_card(ai->pci); 2422 if (ai->pcimem) 2423 iounmap(ai->pcimem); 2424 if (ai->pciaux) 2425 iounmap(ai->pciaux); 2426 pci_free_consistent(ai->pci, PCI_SHARED_LEN, 2427 ai->shared, ai->shared_dma); 2428 } 2429 } 2430 crypto_free_cipher(ai->tfm); 2431 del_airo_dev(ai); 2432 free_netdev( dev ); 2433} 2434 2435EXPORT_SYMBOL(stop_airo_card); 2436 2437static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr) 2438{ 2439 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); 2440 return ETH_ALEN; 2441} 2442 2443static void mpi_unmap_card(struct pci_dev *pci) 2444{ 2445 unsigned long mem_start = pci_resource_start(pci, 1); 2446 unsigned long mem_len = pci_resource_len(pci, 1); 2447 unsigned long aux_start = pci_resource_start(pci, 2); 2448 unsigned long aux_len = AUXMEMSIZE; 2449 2450 release_mem_region(aux_start, aux_len); 2451 release_mem_region(mem_start, mem_len); 2452} 2453 2454/************************************************************* 2455 * This routine assumes that descriptors have been setup . 2456 * Run at insmod time or after reset when the decriptors 2457 * have been initialized . Returns 0 if all is well nz 2458 * otherwise . Does not allocate memory but sets up card 2459 * using previously allocated descriptors. 2460 */ 2461static int mpi_init_descriptors (struct airo_info *ai) 2462{ 2463 Cmd cmd; 2464 Resp rsp; 2465 int i; 2466 int rc = SUCCESS; 2467 2468 /* Alloc card RX descriptors */ 2469 netif_stop_queue(ai->dev); 2470 2471 memset(&rsp,0,sizeof(rsp)); 2472 memset(&cmd,0,sizeof(cmd)); 2473 2474 cmd.cmd = CMD_ALLOCATEAUX; 2475 cmd.parm0 = FID_RX; 2476 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux); 2477 cmd.parm2 = MPI_MAX_FIDS; 2478 rc=issuecommand(ai, &cmd, &rsp); 2479 if (rc != SUCCESS) { 2480 airo_print_err(ai->dev->name, "Couldn't allocate RX FID"); 2481 return rc; 2482 } 2483 2484 for (i=0; i<MPI_MAX_FIDS; i++) { 2485 memcpy_toio(ai->rxfids[i].card_ram_off, 2486 &ai->rxfids[i].rx_desc, sizeof(RxFid)); 2487 } 2488 2489 /* Alloc card TX descriptors */ 2490 2491 memset(&rsp,0,sizeof(rsp)); 2492 memset(&cmd,0,sizeof(cmd)); 2493 2494 cmd.cmd = CMD_ALLOCATEAUX; 2495 cmd.parm0 = FID_TX; 2496 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux); 2497 cmd.parm2 = MPI_MAX_FIDS; 2498 2499 for (i=0; i<MPI_MAX_FIDS; i++) { 2500 ai->txfids[i].tx_desc.valid = 1; 2501 memcpy_toio(ai->txfids[i].card_ram_off, 2502 &ai->txfids[i].tx_desc, sizeof(TxFid)); 2503 } 2504 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2505 2506 rc=issuecommand(ai, &cmd, &rsp); 2507 if (rc != SUCCESS) { 2508 airo_print_err(ai->dev->name, "Couldn't allocate TX FID"); 2509 return rc; 2510 } 2511 2512 /* Alloc card Rid descriptor */ 2513 memset(&rsp,0,sizeof(rsp)); 2514 memset(&cmd,0,sizeof(cmd)); 2515 2516 cmd.cmd = CMD_ALLOCATEAUX; 2517 cmd.parm0 = RID_RW; 2518 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux); 2519 cmd.parm2 = 1; /* Magic number... */ 2520 rc=issuecommand(ai, &cmd, &rsp); 2521 if (rc != SUCCESS) { 2522 airo_print_err(ai->dev->name, "Couldn't allocate RID"); 2523 return rc; 2524 } 2525 2526 memcpy_toio(ai->config_desc.card_ram_off, 2527 &ai->config_desc.rid_desc, sizeof(Rid)); 2528 2529 return rc; 2530} 2531 2532/* 2533 * We are setting up three things here: 2534 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid. 2535 * 2) Map PCI memory for issuing commands. 2536 * 3) Allocate memory (shared) to send and receive ethernet frames. 2537 */ 2538static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci) 2539{ 2540 unsigned long mem_start, mem_len, aux_start, aux_len; 2541 int rc = -1; 2542 int i; 2543 dma_addr_t busaddroff; 2544 unsigned char *vpackoff; 2545 unsigned char __iomem *pciaddroff; 2546 2547 mem_start = pci_resource_start(pci, 1); 2548 mem_len = pci_resource_len(pci, 1); 2549 aux_start = pci_resource_start(pci, 2); 2550 aux_len = AUXMEMSIZE; 2551 2552 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) { 2553 airo_print_err("", "Couldn't get region %x[%x]", 2554 (int)mem_start, (int)mem_len); 2555 goto out; 2556 } 2557 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) { 2558 airo_print_err("", "Couldn't get region %x[%x]", 2559 (int)aux_start, (int)aux_len); 2560 goto free_region1; 2561 } 2562 2563 ai->pcimem = ioremap(mem_start, mem_len); 2564 if (!ai->pcimem) { 2565 airo_print_err("", "Couldn't map region %x[%x]", 2566 (int)mem_start, (int)mem_len); 2567 goto free_region2; 2568 } 2569 ai->pciaux = ioremap(aux_start, aux_len); 2570 if (!ai->pciaux) { 2571 airo_print_err("", "Couldn't map region %x[%x]", 2572 (int)aux_start, (int)aux_len); 2573 goto free_memmap; 2574 } 2575 2576 /* Reserve PKTSIZE for each fid and 2K for the Rids */ 2577 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma); 2578 if (!ai->shared) { 2579 airo_print_err("", "Couldn't alloc_consistent %d", 2580 PCI_SHARED_LEN); 2581 goto free_auxmap; 2582 } 2583 2584 /* 2585 * Setup descriptor RX, TX, CONFIG 2586 */ 2587 busaddroff = ai->shared_dma; 2588 pciaddroff = ai->pciaux + AUX_OFFSET; 2589 vpackoff = ai->shared; 2590 2591 /* RX descriptor setup */ 2592 for(i = 0; i < MPI_MAX_FIDS; i++) { 2593 ai->rxfids[i].pending = 0; 2594 ai->rxfids[i].card_ram_off = pciaddroff; 2595 ai->rxfids[i].virtual_host_addr = vpackoff; 2596 ai->rxfids[i].rx_desc.host_addr = busaddroff; 2597 ai->rxfids[i].rx_desc.valid = 1; 2598 ai->rxfids[i].rx_desc.len = PKTSIZE; 2599 ai->rxfids[i].rx_desc.rdy = 0; 2600 2601 pciaddroff += sizeof(RxFid); 2602 busaddroff += PKTSIZE; 2603 vpackoff += PKTSIZE; 2604 } 2605 2606 /* TX descriptor setup */ 2607 for(i = 0; i < MPI_MAX_FIDS; i++) { 2608 ai->txfids[i].card_ram_off = pciaddroff; 2609 ai->txfids[i].virtual_host_addr = vpackoff; 2610 ai->txfids[i].tx_desc.valid = 1; 2611 ai->txfids[i].tx_desc.host_addr = busaddroff; 2612 memcpy(ai->txfids[i].virtual_host_addr, 2613 &wifictlhdr8023, sizeof(wifictlhdr8023)); 2614 2615 pciaddroff += sizeof(TxFid); 2616 busaddroff += PKTSIZE; 2617 vpackoff += PKTSIZE; 2618 } 2619 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2620 2621 /* Rid descriptor setup */ 2622 ai->config_desc.card_ram_off = pciaddroff; 2623 ai->config_desc.virtual_host_addr = vpackoff; 2624 ai->config_desc.rid_desc.host_addr = busaddroff; 2625 ai->ridbus = busaddroff; 2626 ai->config_desc.rid_desc.rid = 0; 2627 ai->config_desc.rid_desc.len = RIDSIZE; 2628 ai->config_desc.rid_desc.valid = 1; 2629 pciaddroff += sizeof(Rid); 2630 busaddroff += RIDSIZE; 2631 vpackoff += RIDSIZE; 2632 2633 /* Tell card about descriptors */ 2634 if (mpi_init_descriptors (ai) != SUCCESS) 2635 goto free_shared; 2636 2637 return 0; 2638 free_shared: 2639 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma); 2640 free_auxmap: 2641 iounmap(ai->pciaux); 2642 free_memmap: 2643 iounmap(ai->pcimem); 2644 free_region2: 2645 release_mem_region(aux_start, aux_len); 2646 free_region1: 2647 release_mem_region(mem_start, mem_len); 2648 out: 2649 return rc; 2650} 2651 2652static const struct header_ops airo_header_ops = { 2653 .parse = wll_header_parse, 2654}; 2655 2656static const struct net_device_ops airo11_netdev_ops = { 2657 .ndo_open = airo_open, 2658 .ndo_stop = airo_close, 2659 .ndo_start_xmit = airo_start_xmit11, 2660 .ndo_get_stats = airo_get_stats, 2661 .ndo_set_mac_address = airo_set_mac_address, 2662 .ndo_do_ioctl = airo_ioctl, 2663 .ndo_change_mtu = airo_change_mtu, 2664}; 2665 2666static void wifi_setup(struct net_device *dev) 2667{ 2668 dev->netdev_ops = &airo11_netdev_ops; 2669 dev->header_ops = &airo_header_ops; 2670 dev->wireless_handlers = &airo_handler_def; 2671 2672 dev->type = ARPHRD_IEEE80211; 2673 dev->hard_header_len = ETH_HLEN; 2674 dev->mtu = AIRO_DEF_MTU; 2675 dev->addr_len = ETH_ALEN; 2676 dev->tx_queue_len = 100; 2677 2678 memset(dev->broadcast,0xFF, ETH_ALEN); 2679 2680 dev->flags = IFF_BROADCAST|IFF_MULTICAST; 2681} 2682 2683static struct net_device *init_wifidev(struct airo_info *ai, 2684 struct net_device *ethdev) 2685{ 2686 int err; 2687 struct net_device *dev = alloc_netdev(0, "wifi%d", wifi_setup); 2688 if (!dev) 2689 return NULL; 2690 dev->ml_priv = ethdev->ml_priv; 2691 dev->irq = ethdev->irq; 2692 dev->base_addr = ethdev->base_addr; 2693 dev->wireless_data = ethdev->wireless_data; 2694 SET_NETDEV_DEV(dev, ethdev->dev.parent); 2695 memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len); 2696 err = register_netdev(dev); 2697 if (err<0) { 2698 free_netdev(dev); 2699 return NULL; 2700 } 2701 return dev; 2702} 2703 2704static int reset_card( struct net_device *dev , int lock) { 2705 struct airo_info *ai = dev->ml_priv; 2706 2707 if (lock && down_interruptible(&ai->sem)) 2708 return -1; 2709 waitbusy (ai); 2710 OUT4500(ai,COMMAND,CMD_SOFTRESET); 2711 msleep(200); 2712 waitbusy (ai); 2713 msleep(200); 2714 if (lock) 2715 up(&ai->sem); 2716 return 0; 2717} 2718 2719#define AIRO_MAX_NETWORK_COUNT 64 2720static int airo_networks_allocate(struct airo_info *ai) 2721{ 2722 if (ai->networks) 2723 return 0; 2724 2725 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement), 2726 GFP_KERNEL); 2727 if (!ai->networks) { 2728 airo_print_warn("", "Out of memory allocating beacons"); 2729 return -ENOMEM; 2730 } 2731 2732 return 0; 2733} 2734 2735static void airo_networks_free(struct airo_info *ai) 2736{ 2737 kfree(ai->networks); 2738 ai->networks = NULL; 2739} 2740 2741static void airo_networks_initialize(struct airo_info *ai) 2742{ 2743 int i; 2744 2745 INIT_LIST_HEAD(&ai->network_free_list); 2746 INIT_LIST_HEAD(&ai->network_list); 2747 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++) 2748 list_add_tail(&ai->networks[i].list, 2749 &ai->network_free_list); 2750} 2751 2752static const struct net_device_ops airo_netdev_ops = { 2753 .ndo_open = airo_open, 2754 .ndo_stop = airo_close, 2755 .ndo_start_xmit = airo_start_xmit, 2756 .ndo_get_stats = airo_get_stats, 2757 .ndo_set_rx_mode = airo_set_multicast_list, 2758 .ndo_set_mac_address = airo_set_mac_address, 2759 .ndo_do_ioctl = airo_ioctl, 2760 .ndo_change_mtu = airo_change_mtu, 2761 .ndo_validate_addr = eth_validate_addr, 2762}; 2763 2764static const struct net_device_ops mpi_netdev_ops = { 2765 .ndo_open = airo_open, 2766 .ndo_stop = airo_close, 2767 .ndo_start_xmit = mpi_start_xmit, 2768 .ndo_get_stats = airo_get_stats, 2769 .ndo_set_rx_mode = airo_set_multicast_list, 2770 .ndo_set_mac_address = airo_set_mac_address, 2771 .ndo_do_ioctl = airo_ioctl, 2772 .ndo_change_mtu = airo_change_mtu, 2773 .ndo_validate_addr = eth_validate_addr, 2774}; 2775 2776 2777static struct net_device *_init_airo_card( unsigned short irq, int port, 2778 int is_pcmcia, struct pci_dev *pci, 2779 struct device *dmdev ) 2780{ 2781 struct net_device *dev; 2782 struct airo_info *ai; 2783 int i, rc; 2784 CapabilityRid cap_rid; 2785 2786 /* Create the network device object. */ 2787 dev = alloc_netdev(sizeof(*ai), "", ether_setup); 2788 if (!dev) { 2789 airo_print_err("", "Couldn't alloc_etherdev"); 2790 return NULL; 2791 } 2792 2793 ai = dev->ml_priv = netdev_priv(dev); 2794 ai->wifidev = NULL; 2795 ai->flags = 1 << FLAG_RADIO_DOWN; 2796 ai->jobs = 0; 2797 ai->dev = dev; 2798 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { 2799 airo_print_dbg("", "Found an MPI350 card"); 2800 set_bit(FLAG_MPI, &ai->flags); 2801 } 2802 spin_lock_init(&ai->aux_lock); 2803 sema_init(&ai->sem, 1); 2804 ai->config.len = 0; 2805 ai->pci = pci; 2806 init_waitqueue_head (&ai->thr_wait); 2807 ai->tfm = NULL; 2808 add_airo_dev(ai); 2809 2810 if (airo_networks_allocate (ai)) 2811 goto err_out_free; 2812 airo_networks_initialize (ai); 2813 2814 skb_queue_head_init (&ai->txq); 2815 2816 /* The Airo-specific entries in the device structure. */ 2817 if (test_bit(FLAG_MPI,&ai->flags)) 2818 dev->netdev_ops = &mpi_netdev_ops; 2819 else 2820 dev->netdev_ops = &airo_netdev_ops; 2821 dev->wireless_handlers = &airo_handler_def; 2822 ai->wireless_data.spy_data = &ai->spy_data; 2823 dev->wireless_data = &ai->wireless_data; 2824 dev->irq = irq; 2825 dev->base_addr = port; 2826 dev->priv_flags &= ~IFF_TX_SKB_SHARING; 2827 2828 SET_NETDEV_DEV(dev, dmdev); 2829 2830 reset_card (dev, 1); 2831 msleep(400); 2832 2833 if (!is_pcmcia) { 2834 if (!request_region(dev->base_addr, 64, DRV_NAME)) { 2835 rc = -EBUSY; 2836 airo_print_err(dev->name, "Couldn't request region"); 2837 goto err_out_nets; 2838 } 2839 } 2840 2841 if (test_bit(FLAG_MPI,&ai->flags)) { 2842 if (mpi_map_card(ai, pci)) { 2843 airo_print_err("", "Could not map memory"); 2844 goto err_out_res; 2845 } 2846 } 2847 2848 if (probe) { 2849 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) { 2850 airo_print_err(dev->name, "MAC could not be enabled" ); 2851 rc = -EIO; 2852 goto err_out_map; 2853 } 2854 } else if (!test_bit(FLAG_MPI,&ai->flags)) { 2855 ai->bap_read = fast_bap_read; 2856 set_bit(FLAG_FLASHING, &ai->flags); 2857 } 2858 2859 strcpy(dev->name, "eth%d"); 2860 rc = register_netdev(dev); 2861 if (rc) { 2862 airo_print_err(dev->name, "Couldn't register_netdev"); 2863 goto err_out_map; 2864 } 2865 ai->wifidev = init_wifidev(ai, dev); 2866 if (!ai->wifidev) 2867 goto err_out_reg; 2868 2869 rc = readCapabilityRid(ai, &cap_rid, 1); 2870 if (rc != SUCCESS) { 2871 rc = -EIO; 2872 goto err_out_wifi; 2873 } 2874 /* WEP capability discovery */ 2875 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0; 2876 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0; 2877 2878 airo_print_info(dev->name, "Firmware version %x.%x.%02d", 2879 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF), 2880 (le16_to_cpu(cap_rid.softVer) & 0xFF), 2881 le16_to_cpu(cap_rid.softSubVer)); 2882 2883 /* Test for WPA support */ 2884 /* Only firmware versions 5.30.17 or better can do WPA */ 2885 if (le16_to_cpu(cap_rid.softVer) > 0x530 2886 || (le16_to_cpu(cap_rid.softVer) == 0x530 2887 && le16_to_cpu(cap_rid.softSubVer) >= 17)) { 2888 airo_print_info(ai->dev->name, "WPA supported."); 2889 2890 set_bit(FLAG_WPA_CAPABLE, &ai->flags); 2891 ai->bssListFirst = RID_WPA_BSSLISTFIRST; 2892 ai->bssListNext = RID_WPA_BSSLISTNEXT; 2893 ai->bssListRidLen = sizeof(BSSListRid); 2894 } else { 2895 airo_print_info(ai->dev->name, "WPA unsupported with firmware " 2896 "versions older than 5.30.17."); 2897 2898 ai->bssListFirst = RID_BSSLISTFIRST; 2899 ai->bssListNext = RID_BSSLISTNEXT; 2900 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); 2901 } 2902 2903 set_bit(FLAG_REGISTERED,&ai->flags); 2904 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); 2905 2906 /* Allocate the transmit buffers */ 2907 if (probe && !test_bit(FLAG_MPI,&ai->flags)) 2908 for( i = 0; i < MAX_FIDS; i++ ) 2909 ai->fids[i] = transmit_allocate(ai,AIRO_DEF_MTU,i>=MAX_FIDS/2); 2910 2911 if (setup_proc_entry(dev, dev->ml_priv) < 0) 2912 goto err_out_wifi; 2913 2914 return dev; 2915 2916err_out_wifi: 2917 unregister_netdev(ai->wifidev); 2918 free_netdev(ai->wifidev); 2919err_out_reg: 2920 unregister_netdev(dev); 2921err_out_map: 2922 if (test_bit(FLAG_MPI,&ai->flags) && pci) { 2923 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma); 2924 iounmap(ai->pciaux); 2925 iounmap(ai->pcimem); 2926 mpi_unmap_card(ai->pci); 2927 } 2928err_out_res: 2929 if (!is_pcmcia) 2930 release_region( dev->base_addr, 64 ); 2931err_out_nets: 2932 airo_networks_free(ai); 2933err_out_free: 2934 del_airo_dev(ai); 2935 free_netdev(dev); 2936 return NULL; 2937} 2938 2939struct net_device *init_airo_card( unsigned short irq, int port, int is_pcmcia, 2940 struct device *dmdev) 2941{ 2942 return _init_airo_card ( irq, port, is_pcmcia, NULL, dmdev); 2943} 2944 2945EXPORT_SYMBOL(init_airo_card); 2946 2947static int waitbusy (struct airo_info *ai) { 2948 int delay = 0; 2949 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) { 2950 udelay (10); 2951 if ((++delay % 20) == 0) 2952 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 2953 } 2954 return delay < 10000; 2955} 2956 2957int reset_airo_card( struct net_device *dev ) 2958{ 2959 int i; 2960 struct airo_info *ai = dev->ml_priv; 2961 2962 if (reset_card (dev, 1)) 2963 return -1; 2964 2965 if ( setup_card(ai, dev->dev_addr, 1 ) != SUCCESS ) { 2966 airo_print_err(dev->name, "MAC could not be enabled"); 2967 return -1; 2968 } 2969 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); 2970 /* Allocate the transmit buffers if needed */ 2971 if (!test_bit(FLAG_MPI,&ai->flags)) 2972 for( i = 0; i < MAX_FIDS; i++ ) 2973 ai->fids[i] = transmit_allocate (ai,AIRO_DEF_MTU,i>=MAX_FIDS/2); 2974 2975 enable_interrupts( ai ); 2976 netif_wake_queue(dev); 2977 return 0; 2978} 2979 2980EXPORT_SYMBOL(reset_airo_card); 2981 2982static void airo_send_event(struct net_device *dev) { 2983 struct airo_info *ai = dev->ml_priv; 2984 union iwreq_data wrqu; 2985 StatusRid status_rid; 2986 2987 clear_bit(JOB_EVENT, &ai->jobs); 2988 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0); 2989 up(&ai->sem); 2990 wrqu.data.length = 0; 2991 wrqu.data.flags = 0; 2992 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN); 2993 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 2994 2995 /* Send event to user space */ 2996 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); 2997} 2998 2999static void airo_process_scan_results (struct airo_info *ai) { 3000 union iwreq_data wrqu; 3001 BSSListRid bss; 3002 int rc; 3003 BSSListElement * loop_net; 3004 BSSListElement * tmp_net; 3005 3006 /* Blow away current list of scan results */ 3007 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) { 3008 list_move_tail (&loop_net->list, &ai->network_free_list); 3009 /* Don't blow away ->list, just BSS data */ 3010 memset (loop_net, 0, sizeof (loop_net->bss)); 3011 } 3012 3013 /* Try to read the first entry of the scan result */ 3014 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0); 3015 if((rc) || (bss.index == cpu_to_le16(0xffff))) { 3016 /* No scan results */ 3017 goto out; 3018 } 3019 3020 /* Read and parse all entries */ 3021 tmp_net = NULL; 3022 while((!rc) && (bss.index != cpu_to_le16(0xffff))) { 3023 /* Grab a network off the free list */ 3024 if (!list_empty(&ai->network_free_list)) { 3025 tmp_net = list_entry(ai->network_free_list.next, 3026 BSSListElement, list); 3027 list_del(ai->network_free_list.next); 3028 } 3029 3030 if (tmp_net != NULL) { 3031 memcpy(tmp_net, &bss, sizeof(tmp_net->bss)); 3032 list_add_tail(&tmp_net->list, &ai->network_list); 3033 tmp_net = NULL; 3034 } 3035 3036 /* Read next entry */ 3037 rc = PC4500_readrid(ai, ai->bssListNext, 3038 &bss, ai->bssListRidLen, 0); 3039 } 3040 3041out: 3042 ai->scan_timeout = 0; 3043 clear_bit(JOB_SCAN_RESULTS, &ai->jobs); 3044 up(&ai->sem); 3045 3046 /* Send an empty event to user space. 3047 * We don't send the received data on 3048 * the event because it would require 3049 * us to do complex transcoding, and 3050 * we want to minimise the work done in 3051 * the irq handler. Use a request to 3052 * extract the data - Jean II */ 3053 wrqu.data.length = 0; 3054 wrqu.data.flags = 0; 3055 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL); 3056} 3057 3058static int airo_thread(void *data) { 3059 struct net_device *dev = data; 3060 struct airo_info *ai = dev->ml_priv; 3061 int locked; 3062 3063 set_freezable(); 3064 while(1) { 3065 /* make swsusp happy with our thread */ 3066 try_to_freeze(); 3067 3068 if (test_bit(JOB_DIE, &ai->jobs)) 3069 break; 3070 3071 if (ai->jobs) { 3072 locked = down_interruptible(&ai->sem); 3073 } else { 3074 wait_queue_t wait; 3075 3076 init_waitqueue_entry(&wait, current); 3077 add_wait_queue(&ai->thr_wait, &wait); 3078 for (;;) { 3079 set_current_state(TASK_INTERRUPTIBLE); 3080 if (ai->jobs) 3081 break; 3082 if (ai->expires || ai->scan_timeout) { 3083 if (ai->scan_timeout && 3084 time_after_eq(jiffies,ai->scan_timeout)){ 3085 set_bit(JOB_SCAN_RESULTS, &ai->jobs); 3086 break; 3087 } else if (ai->expires && 3088 time_after_eq(jiffies,ai->expires)){ 3089 set_bit(JOB_AUTOWEP, &ai->jobs); 3090 break; 3091 } 3092 if (!kthread_should_stop() && 3093 !freezing(current)) { 3094 unsigned long wake_at; 3095 if (!ai->expires || !ai->scan_timeout) { 3096 wake_at = max(ai->expires, 3097 ai->scan_timeout); 3098 } else { 3099 wake_at = min(ai->expires, 3100 ai->scan_timeout); 3101 } 3102 schedule_timeout(wake_at - jiffies); 3103 continue; 3104 } 3105 } else if (!kthread_should_stop() && 3106 !freezing(current)) { 3107 schedule(); 3108 continue; 3109 } 3110 break; 3111 } 3112 current->state = TASK_RUNNING; 3113 remove_wait_queue(&ai->thr_wait, &wait); 3114 locked = 1; 3115 } 3116 3117 if (locked) 3118 continue; 3119 3120 if (test_bit(JOB_DIE, &ai->jobs)) { 3121 up(&ai->sem); 3122 break; 3123 } 3124 3125 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) { 3126 up(&ai->sem); 3127 continue; 3128 } 3129 3130 if (test_bit(JOB_XMIT, &ai->jobs)) 3131 airo_end_xmit(dev); 3132 else if (test_bit(JOB_XMIT11, &ai->jobs)) 3133 airo_end_xmit11(dev); 3134 else if (test_bit(JOB_STATS, &ai->jobs)) 3135 airo_read_stats(dev); 3136 else if (test_bit(JOB_WSTATS, &ai->jobs)) 3137 airo_read_wireless_stats(ai); 3138 else if (test_bit(JOB_PROMISC, &ai->jobs)) 3139 airo_set_promisc(ai); 3140 else if (test_bit(JOB_MIC, &ai->jobs)) 3141 micinit(ai); 3142 else if (test_bit(JOB_EVENT, &ai->jobs)) 3143 airo_send_event(dev); 3144 else if (test_bit(JOB_AUTOWEP, &ai->jobs)) 3145 timer_func(dev); 3146 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs)) 3147 airo_process_scan_results(ai); 3148 else /* Shouldn't get here, but we make sure to unlock */ 3149 up(&ai->sem); 3150 } 3151 3152 return 0; 3153} 3154 3155static int header_len(__le16 ctl) 3156{ 3157 u16 fc = le16_to_cpu(ctl); 3158 switch (fc & 0xc) { 3159 case 4: 3160 if ((fc & 0xe0) == 0xc0) 3161 return 10; /* one-address control packet */ 3162 return 16; /* two-address control packet */ 3163 case 8: 3164 if ((fc & 0x300) == 0x300) 3165 return 30; /* WDS packet */ 3166 } 3167 return 24; 3168} 3169 3170static void airo_handle_cisco_mic(struct airo_info *ai) 3171{ 3172 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) { 3173 set_bit(JOB_MIC, &ai->jobs); 3174 wake_up_interruptible(&ai->thr_wait); 3175 } 3176} 3177 3178/* Airo Status codes */ 3179#define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */ 3180#define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */ 3181#define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/ 3182#define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */ 3183#define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */ 3184#define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */ 3185#define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */ 3186#define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */ 3187#define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */ 3188#define STAT_ASSOC 0x0400 /* Associated */ 3189#define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */ 3190 3191static void airo_print_status(const char *devname, u16 status) 3192{ 3193 u8 reason = status & 0xFF; 3194 3195 switch (status & 0xFF00) { 3196 case STAT_NOBEACON: 3197 switch (status) { 3198 case STAT_NOBEACON: 3199 airo_print_dbg(devname, "link lost (missed beacons)"); 3200 break; 3201 case STAT_MAXRETRIES: 3202 case STAT_MAXARL: 3203 airo_print_dbg(devname, "link lost (max retries)"); 3204 break; 3205 case STAT_FORCELOSS: 3206 airo_print_dbg(devname, "link lost (local choice)"); 3207 break; 3208 case STAT_TSFSYNC: 3209 airo_print_dbg(devname, "link lost (TSF sync lost)"); 3210 break; 3211 default: 3212 airo_print_dbg(devname, "unknow status %x\n", status); 3213 break; 3214 } 3215 break; 3216 case STAT_DEAUTH: 3217 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason); 3218 break; 3219 case STAT_DISASSOC: 3220 airo_print_dbg(devname, "disassociated (reason: %d)", reason); 3221 break; 3222 case STAT_ASSOC_FAIL: 3223 airo_print_dbg(devname, "association failed (reason: %d)", 3224 reason); 3225 break; 3226 case STAT_AUTH_FAIL: 3227 airo_print_dbg(devname, "authentication failed (reason: %d)", 3228 reason); 3229 break; 3230 case STAT_ASSOC: 3231 case STAT_REASSOC: 3232 break; 3233 default: 3234 airo_print_dbg(devname, "unknow status %x\n", status); 3235 break; 3236 } 3237} 3238 3239static void airo_handle_link(struct airo_info *ai) 3240{ 3241 union iwreq_data wrqu; 3242 int scan_forceloss = 0; 3243 u16 status; 3244 3245 /* Get new status and acknowledge the link change */ 3246 status = le16_to_cpu(IN4500(ai, LINKSTAT)); 3247 OUT4500(ai, EVACK, EV_LINK); 3248 3249 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0)) 3250 scan_forceloss = 1; 3251 3252 airo_print_status(ai->dev->name, status); 3253 3254 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) { 3255 if (auto_wep) 3256 ai->expires = 0; 3257 if (ai->list_bss_task) 3258 wake_up_process(ai->list_bss_task); 3259 set_bit(FLAG_UPDATE_UNI, &ai->flags); 3260 set_bit(FLAG_UPDATE_MULTI, &ai->flags); 3261 3262 if (down_trylock(&ai->sem) != 0) { 3263 set_bit(JOB_EVENT, &ai->jobs); 3264 wake_up_interruptible(&ai->thr_wait); 3265 } else 3266 airo_send_event(ai->dev); 3267 } else if (!scan_forceloss) { 3268 if (auto_wep && !ai->expires) { 3269 ai->expires = RUN_AT(3*HZ); 3270 wake_up_interruptible(&ai->thr_wait); 3271 } 3272 3273 /* Send event to user space */ 3274 memset(wrqu.ap_addr.sa_data, '\0', ETH_ALEN); 3275 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 3276 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL); 3277 } 3278} 3279 3280static void airo_handle_rx(struct airo_info *ai) 3281{ 3282 struct sk_buff *skb = NULL; 3283 __le16 fc, v, *buffer, tmpbuf[4]; 3284 u16 len, hdrlen = 0, gap, fid; 3285 struct rx_hdr hdr; 3286 int success = 0; 3287 3288 if (test_bit(FLAG_MPI, &ai->flags)) { 3289 if (test_bit(FLAG_802_11, &ai->flags)) 3290 mpi_receive_802_11(ai); 3291 else 3292 mpi_receive_802_3(ai); 3293 OUT4500(ai, EVACK, EV_RX); 3294 return; 3295 } 3296 3297 fid = IN4500(ai, RXFID); 3298 3299 /* Get the packet length */ 3300 if (test_bit(FLAG_802_11, &ai->flags)) { 3301 bap_setup (ai, fid, 4, BAP0); 3302 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0); 3303 /* Bad CRC. Ignore packet */ 3304 if (le16_to_cpu(hdr.status) & 2) 3305 hdr.len = 0; 3306 if (ai->wifidev == NULL) 3307 hdr.len = 0; 3308 } else { 3309 bap_setup(ai, fid, 0x36, BAP0); 3310 bap_read(ai, &hdr.len, 2, BAP0); 3311 } 3312 len = le16_to_cpu(hdr.len); 3313 3314 if (len > AIRO_DEF_MTU) { 3315 airo_print_err(ai->dev->name, "Bad size %d", len); 3316 goto done; 3317 } 3318 if (len == 0) 3319 goto done; 3320 3321 if (test_bit(FLAG_802_11, &ai->flags)) { 3322 bap_read(ai, &fc, sizeof (fc), BAP0); 3323 hdrlen = header_len(fc); 3324 } else 3325 hdrlen = ETH_ALEN * 2; 3326 3327 skb = dev_alloc_skb(len + hdrlen + 2 + 2); 3328 if (!skb) { 3329 ai->dev->stats.rx_dropped++; 3330 goto done; 3331 } 3332 3333 skb_reserve(skb, 2); /* This way the IP header is aligned */ 3334 buffer = (__le16 *) skb_put(skb, len + hdrlen); 3335 if (test_bit(FLAG_802_11, &ai->flags)) { 3336 buffer[0] = fc; 3337 bap_read(ai, buffer + 1, hdrlen - 2, BAP0); 3338 if (hdrlen == 24) 3339 bap_read(ai, tmpbuf, 6, BAP0); 3340 3341 bap_read(ai, &v, sizeof(v), BAP0); 3342 gap = le16_to_cpu(v); 3343 if (gap) { 3344 if (gap <= 8) { 3345 bap_read(ai, tmpbuf, gap, BAP0); 3346 } else { 3347 airo_print_err(ai->dev->name, "gaplen too " 3348 "big. Problems will follow..."); 3349 } 3350 } 3351 bap_read(ai, buffer + hdrlen/2, len, BAP0); 3352 } else { 3353 MICBuffer micbuf; 3354 3355 bap_read(ai, buffer, ETH_ALEN * 2, BAP0); 3356 if (ai->micstats.enabled) { 3357 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0); 3358 if (ntohs(micbuf.typelen) > 0x05DC) 3359 bap_setup(ai, fid, 0x44, BAP0); 3360 else { 3361 if (len <= sizeof (micbuf)) { 3362 dev_kfree_skb_irq(skb); 3363 goto done; 3364 } 3365 3366 len -= sizeof(micbuf); 3367 skb_trim(skb, len + hdrlen); 3368 } 3369 } 3370 3371 bap_read(ai, buffer + ETH_ALEN, len, BAP0); 3372 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len)) 3373 dev_kfree_skb_irq (skb); 3374 else 3375 success = 1; 3376 } 3377 3378#ifdef WIRELESS_SPY 3379 if (success && (ai->spy_data.spy_number > 0)) { 3380 char *sa; 3381 struct iw_quality wstats; 3382 3383 /* Prepare spy data : addr + qual */ 3384 if (!test_bit(FLAG_802_11, &ai->flags)) { 3385 sa = (char *) buffer + 6; 3386 bap_setup(ai, fid, 8, BAP0); 3387 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0); 3388 } else 3389 sa = (char *) buffer + 10; 3390 wstats.qual = hdr.rssi[0]; 3391 if (ai->rssi) 3392 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3393 else 3394 wstats.level = (hdr.rssi[1] + 321) / 2; 3395 wstats.noise = ai->wstats.qual.noise; 3396 wstats.updated = IW_QUAL_LEVEL_UPDATED 3397 | IW_QUAL_QUAL_UPDATED 3398 | IW_QUAL_DBM; 3399 /* Update spy records */ 3400 wireless_spy_update(ai->dev, sa, &wstats); 3401 } 3402#endif /* WIRELESS_SPY */ 3403 3404done: 3405 OUT4500(ai, EVACK, EV_RX); 3406 3407 if (success) { 3408 if (test_bit(FLAG_802_11, &ai->flags)) { 3409 skb_reset_mac_header(skb); 3410 skb->pkt_type = PACKET_OTHERHOST; 3411 skb->dev = ai->wifidev; 3412 skb->protocol = htons(ETH_P_802_2); 3413 } else 3414 skb->protocol = eth_type_trans(skb, ai->dev); 3415 skb->ip_summed = CHECKSUM_NONE; 3416 3417 netif_rx(skb); 3418 } 3419} 3420 3421static void airo_handle_tx(struct airo_info *ai, u16 status) 3422{ 3423 int i, len = 0, index = -1; 3424 u16 fid; 3425 3426 if (test_bit(FLAG_MPI, &ai->flags)) { 3427 unsigned long flags; 3428 3429 if (status & EV_TXEXC) 3430 get_tx_error(ai, -1); 3431 3432 spin_lock_irqsave(&ai->aux_lock, flags); 3433 if (!skb_queue_empty(&ai->txq)) { 3434 spin_unlock_irqrestore(&ai->aux_lock,flags); 3435 mpi_send_packet(ai->dev); 3436 } else { 3437 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 3438 spin_unlock_irqrestore(&ai->aux_lock,flags); 3439 netif_wake_queue(ai->dev); 3440 } 3441 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3442 return; 3443 } 3444 3445 fid = IN4500(ai, TXCOMPLFID); 3446 3447 for(i = 0; i < MAX_FIDS; i++) { 3448 if ((ai->fids[i] & 0xffff) == fid) { 3449 len = ai->fids[i] >> 16; 3450 index = i; 3451 } 3452 } 3453 3454 if (index != -1) { 3455 if (status & EV_TXEXC) 3456 get_tx_error(ai, index); 3457 3458 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC)); 3459 3460 /* Set up to be used again */ 3461 ai->fids[index] &= 0xffff; 3462 if (index < MAX_FIDS / 2) { 3463 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags)) 3464 netif_wake_queue(ai->dev); 3465 } else { 3466 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags)) 3467 netif_wake_queue(ai->wifidev); 3468 } 3469 } else { 3470 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3471 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit"); 3472 } 3473} 3474 3475static irqreturn_t airo_interrupt(int irq, void *dev_id) 3476{ 3477 struct net_device *dev = dev_id; 3478 u16 status, savedInterrupts = 0; 3479 struct airo_info *ai = dev->ml_priv; 3480 int handled = 0; 3481 3482 if (!netif_device_present(dev)) 3483 return IRQ_NONE; 3484 3485 for (;;) { 3486 status = IN4500(ai, EVSTAT); 3487 if (!(status & STATUS_INTS) || (status == 0xffff)) 3488 break; 3489 3490 handled = 1; 3491 3492 if (status & EV_AWAKE) { 3493 OUT4500(ai, EVACK, EV_AWAKE); 3494 OUT4500(ai, EVACK, EV_AWAKE); 3495 } 3496 3497 if (!savedInterrupts) { 3498 savedInterrupts = IN4500(ai, EVINTEN); 3499 OUT4500(ai, EVINTEN, 0); 3500 } 3501 3502 if (status & EV_MIC) { 3503 OUT4500(ai, EVACK, EV_MIC); 3504 airo_handle_cisco_mic(ai); 3505 } 3506 3507 if (status & EV_LINK) { 3508 /* Link status changed */ 3509 airo_handle_link(ai); 3510 } 3511 3512 /* Check to see if there is something to receive */ 3513 if (status & EV_RX) 3514 airo_handle_rx(ai); 3515 3516 /* Check to see if a packet has been transmitted */ 3517 if (status & (EV_TX | EV_TXCPY | EV_TXEXC)) 3518 airo_handle_tx(ai, status); 3519 3520 if ( status & ~STATUS_INTS & ~IGNORE_INTS ) { 3521 airo_print_warn(ai->dev->name, "Got weird status %x", 3522 status & ~STATUS_INTS & ~IGNORE_INTS ); 3523 } 3524 } 3525 3526 if (savedInterrupts) 3527 OUT4500(ai, EVINTEN, savedInterrupts); 3528 3529 return IRQ_RETVAL(handled); 3530} 3531 3532/* 3533 * Routines to talk to the card 3534 */ 3535 3536/* 3537 * This was originally written for the 4500, hence the name 3538 * NOTE: If use with 8bit mode and SMP bad things will happen! 3539 * Why would some one do 8 bit IO in an SMP machine?!? 3540 */ 3541static void OUT4500( struct airo_info *ai, u16 reg, u16 val ) { 3542 if (test_bit(FLAG_MPI,&ai->flags)) 3543 reg <<= 1; 3544 if ( !do8bitIO ) 3545 outw( val, ai->dev->base_addr + reg ); 3546 else { 3547 outb( val & 0xff, ai->dev->base_addr + reg ); 3548 outb( val >> 8, ai->dev->base_addr + reg + 1 ); 3549 } 3550} 3551 3552static u16 IN4500( struct airo_info *ai, u16 reg ) { 3553 unsigned short rc; 3554 3555 if (test_bit(FLAG_MPI,&ai->flags)) 3556 reg <<= 1; 3557 if ( !do8bitIO ) 3558 rc = inw( ai->dev->base_addr + reg ); 3559 else { 3560 rc = inb( ai->dev->base_addr + reg ); 3561 rc += ((int)inb( ai->dev->base_addr + reg + 1 )) << 8; 3562 } 3563 return rc; 3564} 3565 3566static int enable_MAC(struct airo_info *ai, int lock) 3567{ 3568 int rc; 3569 Cmd cmd; 3570 Resp rsp; 3571 3572 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions 3573 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down" 3574 * Note : we could try to use !netif_running(dev) in enable_MAC() 3575 * instead of this flag, but I don't trust it *within* the 3576 * open/close functions, and testing both flags together is 3577 * "cheaper" - Jean II */ 3578 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS; 3579 3580 if (lock && down_interruptible(&ai->sem)) 3581 return -ERESTARTSYS; 3582 3583 if (!test_bit(FLAG_ENABLED, &ai->flags)) { 3584 memset(&cmd, 0, sizeof(cmd)); 3585 cmd.cmd = MAC_ENABLE; 3586 rc = issuecommand(ai, &cmd, &rsp); 3587 if (rc == SUCCESS) 3588 set_bit(FLAG_ENABLED, &ai->flags); 3589 } else 3590 rc = SUCCESS; 3591 3592 if (lock) 3593 up(&ai->sem); 3594 3595 if (rc) 3596 airo_print_err(ai->dev->name, "Cannot enable MAC"); 3597 else if ((rsp.status & 0xFF00) != 0) { 3598 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, " 3599 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2); 3600 rc = ERROR; 3601 } 3602 return rc; 3603} 3604 3605static void disable_MAC( struct airo_info *ai, int lock ) { 3606 Cmd cmd; 3607 Resp rsp; 3608 3609 if (lock && down_interruptible(&ai->sem)) 3610 return; 3611 3612 if (test_bit(FLAG_ENABLED, &ai->flags)) { 3613 memset(&cmd, 0, sizeof(cmd)); 3614 cmd.cmd = MAC_DISABLE; // disable in case already enabled 3615 issuecommand(ai, &cmd, &rsp); 3616 clear_bit(FLAG_ENABLED, &ai->flags); 3617 } 3618 if (lock) 3619 up(&ai->sem); 3620} 3621 3622static void enable_interrupts( struct airo_info *ai ) { 3623 /* Enable the interrupts */ 3624 OUT4500( ai, EVINTEN, STATUS_INTS ); 3625} 3626 3627static void disable_interrupts( struct airo_info *ai ) { 3628 OUT4500( ai, EVINTEN, 0 ); 3629} 3630 3631static void mpi_receive_802_3(struct airo_info *ai) 3632{ 3633 RxFid rxd; 3634 int len = 0; 3635 struct sk_buff *skb; 3636 char *buffer; 3637 int off = 0; 3638 MICBuffer micbuf; 3639 3640 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3641 /* Make sure we got something */ 3642 if (rxd.rdy && rxd.valid == 0) { 3643 len = rxd.len + 12; 3644 if (len < 12 || len > 2048) 3645 goto badrx; 3646 3647 skb = dev_alloc_skb(len); 3648 if (!skb) { 3649 ai->dev->stats.rx_dropped++; 3650 goto badrx; 3651 } 3652 buffer = skb_put(skb,len); 3653 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2); 3654 if (ai->micstats.enabled) { 3655 memcpy(&micbuf, 3656 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2, 3657 sizeof(micbuf)); 3658 if (ntohs(micbuf.typelen) <= 0x05DC) { 3659 if (len <= sizeof(micbuf) + ETH_ALEN * 2) 3660 goto badmic; 3661 3662 off = sizeof(micbuf); 3663 skb_trim (skb, len - off); 3664 } 3665 } 3666 memcpy(buffer + ETH_ALEN * 2, 3667 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off, 3668 len - ETH_ALEN * 2 - off); 3669 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) { 3670badmic: 3671 dev_kfree_skb_irq (skb); 3672 goto badrx; 3673 } 3674#ifdef WIRELESS_SPY 3675 if (ai->spy_data.spy_number > 0) { 3676 char *sa; 3677 struct iw_quality wstats; 3678 /* Prepare spy data : addr + qual */ 3679 sa = buffer + ETH_ALEN; 3680 wstats.qual = 0; /* XXX Where do I get that info from ??? */ 3681 wstats.level = 0; 3682 wstats.updated = 0; 3683 /* Update spy records */ 3684 wireless_spy_update(ai->dev, sa, &wstats); 3685 } 3686#endif /* WIRELESS_SPY */ 3687 3688 skb->ip_summed = CHECKSUM_NONE; 3689 skb->protocol = eth_type_trans(skb, ai->dev); 3690 netif_rx(skb); 3691 } 3692badrx: 3693 if (rxd.valid == 0) { 3694 rxd.valid = 1; 3695 rxd.rdy = 0; 3696 rxd.len = PKTSIZE; 3697 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3698 } 3699} 3700 3701static void mpi_receive_802_11(struct airo_info *ai) 3702{ 3703 RxFid rxd; 3704 struct sk_buff *skb = NULL; 3705 u16 len, hdrlen = 0; 3706 __le16 fc; 3707 struct rx_hdr hdr; 3708 u16 gap; 3709 u16 *buffer; 3710 char *ptr = ai->rxfids[0].virtual_host_addr + 4; 3711 3712 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3713 memcpy ((char *)&hdr, ptr, sizeof(hdr)); 3714 ptr += sizeof(hdr); 3715 /* Bad CRC. Ignore packet */ 3716 if (le16_to_cpu(hdr.status) & 2) 3717 hdr.len = 0; 3718 if (ai->wifidev == NULL) 3719 hdr.len = 0; 3720 len = le16_to_cpu(hdr.len); 3721 if (len > AIRO_DEF_MTU) { 3722 airo_print_err(ai->dev->name, "Bad size %d", len); 3723 goto badrx; 3724 } 3725 if (len == 0) 3726 goto badrx; 3727 3728 fc = get_unaligned((__le16 *)ptr); 3729 hdrlen = header_len(fc); 3730 3731 skb = dev_alloc_skb( len + hdrlen + 2 ); 3732 if ( !skb ) { 3733 ai->dev->stats.rx_dropped++; 3734 goto badrx; 3735 } 3736 buffer = (u16*)skb_put (skb, len + hdrlen); 3737 memcpy ((char *)buffer, ptr, hdrlen); 3738 ptr += hdrlen; 3739 if (hdrlen == 24) 3740 ptr += 6; 3741 gap = get_unaligned_le16(ptr); 3742 ptr += sizeof(__le16); 3743 if (gap) { 3744 if (gap <= 8) 3745 ptr += gap; 3746 else 3747 airo_print_err(ai->dev->name, 3748 "gaplen too big. Problems will follow..."); 3749 } 3750 memcpy ((char *)buffer + hdrlen, ptr, len); 3751 ptr += len; 3752#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ 3753 if (ai->spy_data.spy_number > 0) { 3754 char *sa; 3755 struct iw_quality wstats; 3756 /* Prepare spy data : addr + qual */ 3757 sa = (char*)buffer + 10; 3758 wstats.qual = hdr.rssi[0]; 3759 if (ai->rssi) 3760 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3761 else 3762 wstats.level = (hdr.rssi[1] + 321) / 2; 3763 wstats.noise = ai->wstats.qual.noise; 3764 wstats.updated = IW_QUAL_QUAL_UPDATED 3765 | IW_QUAL_LEVEL_UPDATED 3766 | IW_QUAL_DBM; 3767 /* Update spy records */ 3768 wireless_spy_update(ai->dev, sa, &wstats); 3769 } 3770#endif /* IW_WIRELESS_SPY */ 3771 skb_reset_mac_header(skb); 3772 skb->pkt_type = PACKET_OTHERHOST; 3773 skb->dev = ai->wifidev; 3774 skb->protocol = htons(ETH_P_802_2); 3775 skb->ip_summed = CHECKSUM_NONE; 3776 netif_rx( skb ); 3777 3778badrx: 3779 if (rxd.valid == 0) { 3780 rxd.valid = 1; 3781 rxd.rdy = 0; 3782 rxd.len = PKTSIZE; 3783 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3784 } 3785} 3786 3787static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) 3788{ 3789 Cmd cmd; 3790 Resp rsp; 3791 int status; 3792 SsidRid mySsid; 3793 __le16 lastindex; 3794 WepKeyRid wkr; 3795 int rc; 3796 3797 memset( &mySsid, 0, sizeof( mySsid ) ); 3798 kfree (ai->flash); 3799 ai->flash = NULL; 3800 3801 /* The NOP is the first step in getting the card going */ 3802 cmd.cmd = NOP; 3803 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0; 3804 if (lock && down_interruptible(&ai->sem)) 3805 return ERROR; 3806 if ( issuecommand( ai, &cmd, &rsp ) != SUCCESS ) { 3807 if (lock) 3808 up(&ai->sem); 3809 return ERROR; 3810 } 3811 disable_MAC( ai, 0); 3812 3813 // Let's figure out if we need to use the AUX port 3814 if (!test_bit(FLAG_MPI,&ai->flags)) { 3815 cmd.cmd = CMD_ENABLEAUX; 3816 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) { 3817 if (lock) 3818 up(&ai->sem); 3819 airo_print_err(ai->dev->name, "Error checking for AUX port"); 3820 return ERROR; 3821 } 3822 if (!aux_bap || rsp.status & 0xff00) { 3823 ai->bap_read = fast_bap_read; 3824 airo_print_dbg(ai->dev->name, "Doing fast bap_reads"); 3825 } else { 3826 ai->bap_read = aux_bap_read; 3827 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads"); 3828 } 3829 } 3830 if (lock) 3831 up(&ai->sem); 3832 if (ai->config.len == 0) { 3833 int i; 3834 tdsRssiRid rssi_rid; 3835 CapabilityRid cap_rid; 3836 3837 kfree(ai->APList); 3838 ai->APList = NULL; 3839 kfree(ai->SSID); 3840 ai->SSID = NULL; 3841 // general configuration (read/modify/write) 3842 status = readConfigRid(ai, lock); 3843 if ( status != SUCCESS ) return ERROR; 3844 3845 status = readCapabilityRid(ai, &cap_rid, lock); 3846 if ( status != SUCCESS ) return ERROR; 3847 3848 status = PC4500_readrid(ai,RID_RSSI,&rssi_rid,sizeof(rssi_rid),lock); 3849 if ( status == SUCCESS ) { 3850 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL) 3851 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */ 3852 } 3853 else { 3854 kfree(ai->rssi); 3855 ai->rssi = NULL; 3856 if (cap_rid.softCap & cpu_to_le16(8)) 3857 ai->config.rmode |= RXMODE_NORMALIZED_RSSI; 3858 else 3859 airo_print_warn(ai->dev->name, "unknown received signal " 3860 "level scale"); 3861 } 3862 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS; 3863 ai->config.authType = AUTH_OPEN; 3864 ai->config.modulation = MOD_CCK; 3865 3866 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) && 3867 (cap_rid.extSoftCap & cpu_to_le16(1)) && 3868 micsetup(ai) == SUCCESS) { 3869 ai->config.opmode |= MODE_MIC; 3870 set_bit(FLAG_MIC_CAPABLE, &ai->flags); 3871 } 3872 3873 /* Save off the MAC */ 3874 for( i = 0; i < ETH_ALEN; i++ ) { 3875 mac[i] = ai->config.macAddr[i]; 3876 } 3877 3878 /* Check to see if there are any insmod configured 3879 rates to add */ 3880 if ( rates[0] ) { 3881 memset(ai->config.rates,0,sizeof(ai->config.rates)); 3882 for( i = 0; i < 8 && rates[i]; i++ ) { 3883 ai->config.rates[i] = rates[i]; 3884 } 3885 } 3886 set_bit (FLAG_COMMIT, &ai->flags); 3887 } 3888 3889 /* Setup the SSIDs if present */ 3890 if ( ssids[0] ) { 3891 int i; 3892 for( i = 0; i < 3 && ssids[i]; i++ ) { 3893 size_t len = strlen(ssids[i]); 3894 if (len > 32) 3895 len = 32; 3896 mySsid.ssids[i].len = cpu_to_le16(len); 3897 memcpy(mySsid.ssids[i].ssid, ssids[i], len); 3898 } 3899 mySsid.len = cpu_to_le16(sizeof(mySsid)); 3900 } 3901 3902 status = writeConfigRid(ai, lock); 3903 if ( status != SUCCESS ) return ERROR; 3904 3905 /* Set up the SSID list */ 3906 if ( ssids[0] ) { 3907 status = writeSsidRid(ai, &mySsid, lock); 3908 if ( status != SUCCESS ) return ERROR; 3909 } 3910 3911 status = enable_MAC(ai, lock); 3912 if (status != SUCCESS) 3913 return ERROR; 3914 3915 /* Grab the initial wep key, we gotta save it for auto_wep */ 3916 rc = readWepKeyRid(ai, &wkr, 1, lock); 3917 if (rc == SUCCESS) do { 3918 lastindex = wkr.kindex; 3919 if (wkr.kindex == cpu_to_le16(0xffff)) { 3920 ai->defindex = wkr.mac[0]; 3921 } 3922 rc = readWepKeyRid(ai, &wkr, 0, lock); 3923 } while(lastindex != wkr.kindex); 3924 3925 try_auto_wep(ai); 3926 3927 return SUCCESS; 3928} 3929 3930static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) { 3931 // Im really paranoid about letting it run forever! 3932 int max_tries = 600000; 3933 3934 if (IN4500(ai, EVSTAT) & EV_CMD) 3935 OUT4500(ai, EVACK, EV_CMD); 3936 3937 OUT4500(ai, PARAM0, pCmd->parm0); 3938 OUT4500(ai, PARAM1, pCmd->parm1); 3939 OUT4500(ai, PARAM2, pCmd->parm2); 3940 OUT4500(ai, COMMAND, pCmd->cmd); 3941 3942 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) { 3943 if ((IN4500(ai, COMMAND)) == pCmd->cmd) 3944 // PC4500 didn't notice command, try again 3945 OUT4500(ai, COMMAND, pCmd->cmd); 3946 if (!in_atomic() && (max_tries & 255) == 0) 3947 schedule(); 3948 } 3949 3950 if ( max_tries == -1 ) { 3951 airo_print_err(ai->dev->name, 3952 "Max tries exceeded when issuing command"); 3953 if (IN4500(ai, COMMAND) & COMMAND_BUSY) 3954 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 3955 return ERROR; 3956 } 3957 3958 // command completed 3959 pRsp->status = IN4500(ai, STATUS); 3960 pRsp->rsp0 = IN4500(ai, RESP0); 3961 pRsp->rsp1 = IN4500(ai, RESP1); 3962 pRsp->rsp2 = IN4500(ai, RESP2); 3963 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) 3964 airo_print_err(ai->dev->name, 3965 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x", 3966 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1, 3967 pRsp->rsp2); 3968 3969 // clear stuck command busy if necessary 3970 if (IN4500(ai, COMMAND) & COMMAND_BUSY) { 3971 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 3972 } 3973 // acknowledge processing the status/response 3974 OUT4500(ai, EVACK, EV_CMD); 3975 3976 return SUCCESS; 3977} 3978 3979/* Sets up the bap to start exchange data. whichbap should 3980 * be one of the BAP0 or BAP1 defines. Locks should be held before 3981 * calling! */ 3982static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap ) 3983{ 3984 int timeout = 50; 3985 int max_tries = 3; 3986 3987 OUT4500(ai, SELECT0+whichbap, rid); 3988 OUT4500(ai, OFFSET0+whichbap, offset); 3989 while (1) { 3990 int status = IN4500(ai, OFFSET0+whichbap); 3991 if (status & BAP_BUSY) { 3992 /* This isn't really a timeout, but its kinda 3993 close */ 3994 if (timeout--) { 3995 continue; 3996 } 3997 } else if ( status & BAP_ERR ) { 3998 /* invalid rid or offset */ 3999 airo_print_err(ai->dev->name, "BAP error %x %d", 4000 status, whichbap ); 4001 return ERROR; 4002 } else if (status & BAP_DONE) { // success 4003 return SUCCESS; 4004 } 4005 if ( !(max_tries--) ) { 4006 airo_print_err(ai->dev->name, 4007 "BAP setup error too many retries\n"); 4008 return ERROR; 4009 } 4010 // -- PC4500 missed it, try again 4011 OUT4500(ai, SELECT0+whichbap, rid); 4012 OUT4500(ai, OFFSET0+whichbap, offset); 4013 timeout = 50; 4014 } 4015} 4016 4017/* should only be called by aux_bap_read. This aux function and the 4018 following use concepts not documented in the developers guide. I 4019 got them from a patch given to my by Aironet */ 4020static u16 aux_setup(struct airo_info *ai, u16 page, 4021 u16 offset, u16 *len) 4022{ 4023 u16 next; 4024 4025 OUT4500(ai, AUXPAGE, page); 4026 OUT4500(ai, AUXOFF, 0); 4027 next = IN4500(ai, AUXDATA); 4028 *len = IN4500(ai, AUXDATA)&0xff; 4029 if (offset != 4) OUT4500(ai, AUXOFF, offset); 4030 return next; 4031} 4032 4033/* requires call to bap_setup() first */ 4034static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4035 int bytelen, int whichbap) 4036{ 4037 u16 len; 4038 u16 page; 4039 u16 offset; 4040 u16 next; 4041 int words; 4042 int i; 4043 unsigned long flags; 4044 4045 spin_lock_irqsave(&ai->aux_lock, flags); 4046 page = IN4500(ai, SWS0+whichbap); 4047 offset = IN4500(ai, SWS2+whichbap); 4048 next = aux_setup(ai, page, offset, &len); 4049 words = (bytelen+1)>>1; 4050 4051 for (i=0; i<words;) { 4052 int count; 4053 count = (len>>1) < (words-i) ? (len>>1) : (words-i); 4054 if ( !do8bitIO ) 4055 insw( ai->dev->base_addr+DATA0+whichbap, 4056 pu16Dst+i,count ); 4057 else 4058 insb( ai->dev->base_addr+DATA0+whichbap, 4059 pu16Dst+i, count << 1 ); 4060 i += count; 4061 if (i<words) { 4062 next = aux_setup(ai, next, 4, &len); 4063 } 4064 } 4065 spin_unlock_irqrestore(&ai->aux_lock, flags); 4066 return SUCCESS; 4067} 4068 4069 4070/* requires call to bap_setup() first */ 4071static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4072 int bytelen, int whichbap) 4073{ 4074 bytelen = (bytelen + 1) & (~1); // round up to even value 4075 if ( !do8bitIO ) 4076 insw( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1 ); 4077 else 4078 insb( ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen ); 4079 return SUCCESS; 4080} 4081 4082/* requires call to bap_setup() first */ 4083static int bap_write(struct airo_info *ai, const __le16 *pu16Src, 4084 int bytelen, int whichbap) 4085{ 4086 bytelen = (bytelen + 1) & (~1); // round up to even value 4087 if ( !do8bitIO ) 4088 outsw( ai->dev->base_addr+DATA0+whichbap, 4089 pu16Src, bytelen>>1 ); 4090 else 4091 outsb( ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen ); 4092 return SUCCESS; 4093} 4094 4095static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd) 4096{ 4097 Cmd cmd; /* for issuing commands */ 4098 Resp rsp; /* response from commands */ 4099 u16 status; 4100 4101 memset(&cmd, 0, sizeof(cmd)); 4102 cmd.cmd = accmd; 4103 cmd.parm0 = rid; 4104 status = issuecommand(ai, &cmd, &rsp); 4105 if (status != 0) return status; 4106 if ( (rsp.status & 0x7F00) != 0) { 4107 return (accmd << 8) + (rsp.rsp0 & 0xFF); 4108 } 4109 return 0; 4110} 4111 4112/* Note, that we are using BAP1 which is also used by transmit, so 4113 * we must get a lock. */ 4114static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock) 4115{ 4116 u16 status; 4117 int rc = SUCCESS; 4118 4119 if (lock) { 4120 if (down_interruptible(&ai->sem)) 4121 return ERROR; 4122 } 4123 if (test_bit(FLAG_MPI,&ai->flags)) { 4124 Cmd cmd; 4125 Resp rsp; 4126 4127 memset(&cmd, 0, sizeof(cmd)); 4128 memset(&rsp, 0, sizeof(rsp)); 4129 ai->config_desc.rid_desc.valid = 1; 4130 ai->config_desc.rid_desc.len = RIDSIZE; 4131 ai->config_desc.rid_desc.rid = 0; 4132 ai->config_desc.rid_desc.host_addr = ai->ridbus; 4133 4134 cmd.cmd = CMD_ACCESS; 4135 cmd.parm0 = rid; 4136 4137 memcpy_toio(ai->config_desc.card_ram_off, 4138 &ai->config_desc.rid_desc, sizeof(Rid)); 4139 4140 rc = issuecommand(ai, &cmd, &rsp); 4141 4142 if (rsp.status & 0x7f00) 4143 rc = rsp.rsp0; 4144 if (!rc) 4145 memcpy(pBuf, ai->config_desc.virtual_host_addr, len); 4146 goto done; 4147 } else { 4148 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) { 4149 rc = status; 4150 goto done; 4151 } 4152 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4153 rc = ERROR; 4154 goto done; 4155 } 4156 // read the rid length field 4157 bap_read(ai, pBuf, 2, BAP1); 4158 // length for remaining part of rid 4159 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2; 4160 4161 if ( len <= 2 ) { 4162 airo_print_err(ai->dev->name, 4163 "Rid %x has a length of %d which is too short", 4164 (int)rid, (int)len ); 4165 rc = ERROR; 4166 goto done; 4167 } 4168 // read remainder of the rid 4169 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1); 4170 } 4171done: 4172 if (lock) 4173 up(&ai->sem); 4174 return rc; 4175} 4176 4177/* Note, that we are using BAP1 which is also used by transmit, so 4178 * make sure this isn't called when a transmit is happening */ 4179static int PC4500_writerid(struct airo_info *ai, u16 rid, 4180 const void *pBuf, int len, int lock) 4181{ 4182 u16 status; 4183 int rc = SUCCESS; 4184 4185 *(__le16*)pBuf = cpu_to_le16((u16)len); 4186 4187 if (lock) { 4188 if (down_interruptible(&ai->sem)) 4189 return ERROR; 4190 } 4191 if (test_bit(FLAG_MPI,&ai->flags)) { 4192 Cmd cmd; 4193 Resp rsp; 4194 4195 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid)) 4196 airo_print_err(ai->dev->name, 4197 "%s: MAC should be disabled (rid=%04x)", 4198 __func__, rid); 4199 memset(&cmd, 0, sizeof(cmd)); 4200 memset(&rsp, 0, sizeof(rsp)); 4201 4202 ai->config_desc.rid_desc.valid = 1; 4203 ai->config_desc.rid_desc.len = *((u16 *)pBuf); 4204 ai->config_desc.rid_desc.rid = 0; 4205 4206 cmd.cmd = CMD_WRITERID; 4207 cmd.parm0 = rid; 4208 4209 memcpy_toio(ai->config_desc.card_ram_off, 4210 &ai->config_desc.rid_desc, sizeof(Rid)); 4211 4212 if (len < 4 || len > 2047) { 4213 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len); 4214 rc = -1; 4215 } else { 4216 memcpy((char *)ai->config_desc.virtual_host_addr, 4217 pBuf, len); 4218 4219 rc = issuecommand(ai, &cmd, &rsp); 4220 if ((rc & 0xff00) != 0) { 4221 airo_print_err(ai->dev->name, "%s: Write rid Error %d", 4222 __func__, rc); 4223 airo_print_err(ai->dev->name, "%s: Cmd=%04x", 4224 __func__, cmd.cmd); 4225 } 4226 4227 if ((rsp.status & 0x7f00)) 4228 rc = rsp.rsp0; 4229 } 4230 } else { 4231 // --- first access so that we can write the rid data 4232 if ( (status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) { 4233 rc = status; 4234 goto done; 4235 } 4236 // --- now write the rid data 4237 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4238 rc = ERROR; 4239 goto done; 4240 } 4241 bap_write(ai, pBuf, len, BAP1); 4242 // ---now commit the rid data 4243 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS); 4244 } 4245done: 4246 if (lock) 4247 up(&ai->sem); 4248 return rc; 4249} 4250 4251/* Allocates a FID to be used for transmitting packets. We only use 4252 one for now. */ 4253static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw) 4254{ 4255 unsigned int loop = 3000; 4256 Cmd cmd; 4257 Resp rsp; 4258 u16 txFid; 4259 __le16 txControl; 4260 4261 cmd.cmd = CMD_ALLOCATETX; 4262 cmd.parm0 = lenPayload; 4263 if (down_interruptible(&ai->sem)) 4264 return ERROR; 4265 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) { 4266 txFid = ERROR; 4267 goto done; 4268 } 4269 if ( (rsp.status & 0xFF00) != 0) { 4270 txFid = ERROR; 4271 goto done; 4272 } 4273 /* wait for the allocate event/indication 4274 * It makes me kind of nervous that this can just sit here and spin, 4275 * but in practice it only loops like four times. */ 4276 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop); 4277 if (!loop) { 4278 txFid = ERROR; 4279 goto done; 4280 } 4281 4282 // get the allocated fid and acknowledge 4283 txFid = IN4500(ai, TXALLOCFID); 4284 OUT4500(ai, EVACK, EV_ALLOC); 4285 4286 /* The CARD is pretty cool since it converts the ethernet packet 4287 * into 802.11. Also note that we don't release the FID since we 4288 * will be using the same one over and over again. */ 4289 /* We only have to setup the control once since we are not 4290 * releasing the fid. */ 4291 if (raw) 4292 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11 4293 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4294 else 4295 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3 4296 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4297 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) 4298 txFid = ERROR; 4299 else 4300 bap_write(ai, &txControl, sizeof(txControl), BAP1); 4301 4302done: 4303 up(&ai->sem); 4304 4305 return txFid; 4306} 4307 4308/* In general BAP1 is dedicated to transmiting packets. However, 4309 since we need a BAP when accessing RIDs, we also use BAP1 for that. 4310 Make sure the BAP1 spinlock is held when this is called. */ 4311static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket) 4312{ 4313 __le16 payloadLen; 4314 Cmd cmd; 4315 Resp rsp; 4316 int miclen = 0; 4317 u16 txFid = len; 4318 MICBuffer pMic; 4319 4320 len >>= 16; 4321 4322 if (len <= ETH_ALEN * 2) { 4323 airo_print_warn(ai->dev->name, "Short packet %d", len); 4324 return ERROR; 4325 } 4326 len -= ETH_ALEN * 2; 4327 4328 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 4329 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) { 4330 if (encapsulate(ai,(etherHead *)pPacket,&pMic,len) != SUCCESS) 4331 return ERROR; 4332 miclen = sizeof(pMic); 4333 } 4334 // packet is destination[6], source[6], payload[len-12] 4335 // write the payload length and dst/src/payload 4336 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR; 4337 /* The hardware addresses aren't counted as part of the payload, so 4338 * we have to subtract the 12 bytes for the addresses off */ 4339 payloadLen = cpu_to_le16(len + miclen); 4340 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1); 4341 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1); 4342 if (miclen) 4343 bap_write(ai, (__le16*)&pMic, miclen, BAP1); 4344 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1); 4345 // issue the transmit command 4346 memset( &cmd, 0, sizeof( cmd ) ); 4347 cmd.cmd = CMD_TRANSMIT; 4348 cmd.parm0 = txFid; 4349 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR; 4350 if ( (rsp.status & 0xFF00) != 0) return ERROR; 4351 return SUCCESS; 4352} 4353 4354static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket) 4355{ 4356 __le16 fc, payloadLen; 4357 Cmd cmd; 4358 Resp rsp; 4359 int hdrlen; 4360 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6}; 4361 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */ 4362 u16 txFid = len; 4363 len >>= 16; 4364 4365 fc = *(__le16*)pPacket; 4366 hdrlen = header_len(fc); 4367 4368 if (len < hdrlen) { 4369 airo_print_warn(ai->dev->name, "Short packet %d", len); 4370 return ERROR; 4371 } 4372 4373 /* packet is 802.11 header + payload 4374 * write the payload length and dst/src/payload */ 4375 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR; 4376 /* The 802.11 header aren't counted as part of the payload, so 4377 * we have to subtract the header bytes off */ 4378 payloadLen = cpu_to_le16(len-hdrlen); 4379 bap_write(ai, &payloadLen, sizeof(payloadLen),BAP1); 4380 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR; 4381 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1); 4382 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1); 4383 4384 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1); 4385 // issue the transmit command 4386 memset( &cmd, 0, sizeof( cmd ) ); 4387 cmd.cmd = CMD_TRANSMIT; 4388 cmd.parm0 = txFid; 4389 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR; 4390 if ( (rsp.status & 0xFF00) != 0) return ERROR; 4391 return SUCCESS; 4392} 4393 4394/* 4395 * This is the proc_fs routines. It is a bit messier than I would 4396 * like! Feel free to clean it up! 4397 */ 4398 4399static ssize_t proc_read( struct file *file, 4400 char __user *buffer, 4401 size_t len, 4402 loff_t *offset); 4403 4404static ssize_t proc_write( struct file *file, 4405 const char __user *buffer, 4406 size_t len, 4407 loff_t *offset ); 4408static int proc_close( struct inode *inode, struct file *file ); 4409 4410static int proc_stats_open( struct inode *inode, struct file *file ); 4411static int proc_statsdelta_open( struct inode *inode, struct file *file ); 4412static int proc_status_open( struct inode *inode, struct file *file ); 4413static int proc_SSID_open( struct inode *inode, struct file *file ); 4414static int proc_APList_open( struct inode *inode, struct file *file ); 4415static int proc_BSSList_open( struct inode *inode, struct file *file ); 4416static int proc_config_open( struct inode *inode, struct file *file ); 4417static int proc_wepkey_open( struct inode *inode, struct file *file ); 4418 4419static const struct file_operations proc_statsdelta_ops = { 4420 .owner = THIS_MODULE, 4421 .read = proc_read, 4422 .open = proc_statsdelta_open, 4423 .release = proc_close, 4424 .llseek = default_llseek, 4425}; 4426 4427static const struct file_operations proc_stats_ops = { 4428 .owner = THIS_MODULE, 4429 .read = proc_read, 4430 .open = proc_stats_open, 4431 .release = proc_close, 4432 .llseek = default_llseek, 4433}; 4434 4435static const struct file_operations proc_status_ops = { 4436 .owner = THIS_MODULE, 4437 .read = proc_read, 4438 .open = proc_status_open, 4439 .release = proc_close, 4440 .llseek = default_llseek, 4441}; 4442 4443static const struct file_operations proc_SSID_ops = { 4444 .owner = THIS_MODULE, 4445 .read = proc_read, 4446 .write = proc_write, 4447 .open = proc_SSID_open, 4448 .release = proc_close, 4449 .llseek = default_llseek, 4450}; 4451 4452static const struct file_operations proc_BSSList_ops = { 4453 .owner = THIS_MODULE, 4454 .read = proc_read, 4455 .write = proc_write, 4456 .open = proc_BSSList_open, 4457 .release = proc_close, 4458 .llseek = default_llseek, 4459}; 4460 4461static const struct file_operations proc_APList_ops = { 4462 .owner = THIS_MODULE, 4463 .read = proc_read, 4464 .write = proc_write, 4465 .open = proc_APList_open, 4466 .release = proc_close, 4467 .llseek = default_llseek, 4468}; 4469 4470static const struct file_operations proc_config_ops = { 4471 .owner = THIS_MODULE, 4472 .read = proc_read, 4473 .write = proc_write, 4474 .open = proc_config_open, 4475 .release = proc_close, 4476 .llseek = default_llseek, 4477}; 4478 4479static const struct file_operations proc_wepkey_ops = { 4480 .owner = THIS_MODULE, 4481 .read = proc_read, 4482 .write = proc_write, 4483 .open = proc_wepkey_open, 4484 .release = proc_close, 4485 .llseek = default_llseek, 4486}; 4487 4488static struct proc_dir_entry *airo_entry; 4489 4490struct proc_data { 4491 int release_buffer; 4492 int readlen; 4493 char *rbuffer; 4494 int writelen; 4495 int maxwritelen; 4496 char *wbuffer; 4497 void (*on_close) (struct inode *, struct file *); 4498}; 4499 4500static int setup_proc_entry( struct net_device *dev, 4501 struct airo_info *apriv ) { 4502 struct proc_dir_entry *entry; 4503 /* First setup the device directory */ 4504 strcpy(apriv->proc_name,dev->name); 4505 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm, 4506 airo_entry); 4507 if (!apriv->proc_entry) 4508 goto fail; 4509 apriv->proc_entry->uid = proc_uid; 4510 apriv->proc_entry->gid = proc_gid; 4511 4512 /* Setup the StatsDelta */ 4513 entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm, 4514 apriv->proc_entry, &proc_statsdelta_ops, dev); 4515 if (!entry) 4516 goto fail_stats_delta; 4517 entry->uid = proc_uid; 4518 entry->gid = proc_gid; 4519 4520 /* Setup the Stats */ 4521 entry = proc_create_data("Stats", S_IRUGO & proc_perm, 4522 apriv->proc_entry, &proc_stats_ops, dev); 4523 if (!entry) 4524 goto fail_stats; 4525 entry->uid = proc_uid; 4526 entry->gid = proc_gid; 4527 4528 /* Setup the Status */ 4529 entry = proc_create_data("Status", S_IRUGO & proc_perm, 4530 apriv->proc_entry, &proc_status_ops, dev); 4531 if (!entry) 4532 goto fail_status; 4533 entry->uid = proc_uid; 4534 entry->gid = proc_gid; 4535 4536 /* Setup the Config */ 4537 entry = proc_create_data("Config", proc_perm, 4538 apriv->proc_entry, &proc_config_ops, dev); 4539 if (!entry) 4540 goto fail_config; 4541 entry->uid = proc_uid; 4542 entry->gid = proc_gid; 4543 4544 /* Setup the SSID */ 4545 entry = proc_create_data("SSID", proc_perm, 4546 apriv->proc_entry, &proc_SSID_ops, dev); 4547 if (!entry) 4548 goto fail_ssid; 4549 entry->uid = proc_uid; 4550 entry->gid = proc_gid; 4551 4552 /* Setup the APList */ 4553 entry = proc_create_data("APList", proc_perm, 4554 apriv->proc_entry, &proc_APList_ops, dev); 4555 if (!entry) 4556 goto fail_aplist; 4557 entry->uid = proc_uid; 4558 entry->gid = proc_gid; 4559 4560 /* Setup the BSSList */ 4561 entry = proc_create_data("BSSList", proc_perm, 4562 apriv->proc_entry, &proc_BSSList_ops, dev); 4563 if (!entry) 4564 goto fail_bsslist; 4565 entry->uid = proc_uid; 4566 entry->gid = proc_gid; 4567 4568 /* Setup the WepKey */ 4569 entry = proc_create_data("WepKey", proc_perm, 4570 apriv->proc_entry, &proc_wepkey_ops, dev); 4571 if (!entry) 4572 goto fail_wepkey; 4573 entry->uid = proc_uid; 4574 entry->gid = proc_gid; 4575 4576 return 0; 4577 4578fail_wepkey: 4579 remove_proc_entry("BSSList", apriv->proc_entry); 4580fail_bsslist: 4581 remove_proc_entry("APList", apriv->proc_entry); 4582fail_aplist: 4583 remove_proc_entry("SSID", apriv->proc_entry); 4584fail_ssid: 4585 remove_proc_entry("Config", apriv->proc_entry); 4586fail_config: 4587 remove_proc_entry("Status", apriv->proc_entry); 4588fail_status: 4589 remove_proc_entry("Stats", apriv->proc_entry); 4590fail_stats: 4591 remove_proc_entry("StatsDelta", apriv->proc_entry); 4592fail_stats_delta: 4593 remove_proc_entry(apriv->proc_name, airo_entry); 4594fail: 4595 return -ENOMEM; 4596} 4597 4598static int takedown_proc_entry( struct net_device *dev, 4599 struct airo_info *apriv ) { 4600 if ( !apriv->proc_entry->namelen ) return 0; 4601 remove_proc_entry("Stats",apriv->proc_entry); 4602 remove_proc_entry("StatsDelta",apriv->proc_entry); 4603 remove_proc_entry("Status",apriv->proc_entry); 4604 remove_proc_entry("Config",apriv->proc_entry); 4605 remove_proc_entry("SSID",apriv->proc_entry); 4606 remove_proc_entry("APList",apriv->proc_entry); 4607 remove_proc_entry("BSSList",apriv->proc_entry); 4608 remove_proc_entry("WepKey",apriv->proc_entry); 4609 remove_proc_entry(apriv->proc_name,airo_entry); 4610 return 0; 4611} 4612 4613/* 4614 * What we want from the proc_fs is to be able to efficiently read 4615 * and write the configuration. To do this, we want to read the 4616 * configuration when the file is opened and write it when the file is 4617 * closed. So basically we allocate a read buffer at open and fill it 4618 * with data, and allocate a write buffer and read it at close. 4619 */ 4620 4621/* 4622 * The read routine is generic, it relies on the preallocated rbuffer 4623 * to supply the data. 4624 */ 4625static ssize_t proc_read( struct file *file, 4626 char __user *buffer, 4627 size_t len, 4628 loff_t *offset ) 4629{ 4630 struct proc_data *priv = file->private_data; 4631 4632 if (!priv->rbuffer) 4633 return -EINVAL; 4634 4635 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer, 4636 priv->readlen); 4637} 4638 4639/* 4640 * The write routine is generic, it fills in a preallocated rbuffer 4641 * to supply the data. 4642 */ 4643static ssize_t proc_write( struct file *file, 4644 const char __user *buffer, 4645 size_t len, 4646 loff_t *offset ) 4647{ 4648 ssize_t ret; 4649 struct proc_data *priv = file->private_data; 4650 4651 if (!priv->wbuffer) 4652 return -EINVAL; 4653 4654 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset, 4655 buffer, len); 4656 if (ret > 0) 4657 priv->writelen = max_t(int, priv->writelen, *offset); 4658 4659 return ret; 4660} 4661 4662static int proc_status_open(struct inode *inode, struct file *file) 4663{ 4664 struct proc_data *data; 4665 struct proc_dir_entry *dp = PDE(inode); 4666 struct net_device *dev = dp->data; 4667 struct airo_info *apriv = dev->ml_priv; 4668 CapabilityRid cap_rid; 4669 StatusRid status_rid; 4670 u16 mode; 4671 int i; 4672 4673 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) 4674 return -ENOMEM; 4675 data = file->private_data; 4676 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) { 4677 kfree (file->private_data); 4678 return -ENOMEM; 4679 } 4680 4681 readStatusRid(apriv, &status_rid, 1); 4682 readCapabilityRid(apriv, &cap_rid, 1); 4683 4684 mode = le16_to_cpu(status_rid.mode); 4685 4686 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n", 4687 mode & 1 ? "CFG ": "", 4688 mode & 2 ? "ACT ": "", 4689 mode & 0x10 ? "SYN ": "", 4690 mode & 0x20 ? "LNK ": "", 4691 mode & 0x40 ? "LEAP ": "", 4692 mode & 0x80 ? "PRIV ": "", 4693 mode & 0x100 ? "KEY ": "", 4694 mode & 0x200 ? "WEP ": "", 4695 mode & 0x8000 ? "ERR ": ""); 4696 sprintf( data->rbuffer+i, "Mode: %x\n" 4697 "Signal Strength: %d\n" 4698 "Signal Quality: %d\n" 4699 "SSID: %-.*s\n" 4700 "AP: %-.16s\n" 4701 "Freq: %d\n" 4702 "BitRate: %dmbs\n" 4703 "Driver Version: %s\n" 4704 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n" 4705 "Radio type: %x\nCountry: %x\nHardware Version: %x\n" 4706 "Software Version: %x\nSoftware Subversion: %x\n" 4707 "Boot block version: %x\n", 4708 le16_to_cpu(status_rid.mode), 4709 le16_to_cpu(status_rid.normalizedSignalStrength), 4710 le16_to_cpu(status_rid.signalQuality), 4711 le16_to_cpu(status_rid.SSIDlen), 4712 status_rid.SSID, 4713 status_rid.apName, 4714 le16_to_cpu(status_rid.channel), 4715 le16_to_cpu(status_rid.currentXmitRate) / 2, 4716 version, 4717 cap_rid.prodName, 4718 cap_rid.manName, 4719 cap_rid.prodVer, 4720 le16_to_cpu(cap_rid.radioType), 4721 le16_to_cpu(cap_rid.country), 4722 le16_to_cpu(cap_rid.hardVer), 4723 le16_to_cpu(cap_rid.softVer), 4724 le16_to_cpu(cap_rid.softSubVer), 4725 le16_to_cpu(cap_rid.bootBlockVer)); 4726 data->readlen = strlen( data->rbuffer ); 4727 return 0; 4728} 4729 4730static int proc_stats_rid_open(struct inode*, struct file*, u16); 4731static int proc_statsdelta_open( struct inode *inode, 4732 struct file *file ) { 4733 if (file->f_mode&FMODE_WRITE) { 4734 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR); 4735 } 4736 return proc_stats_rid_open(inode, file, RID_STATSDELTA); 4737} 4738 4739static int proc_stats_open( struct inode *inode, struct file *file ) { 4740 return proc_stats_rid_open(inode, file, RID_STATS); 4741} 4742 4743static int proc_stats_rid_open( struct inode *inode, 4744 struct file *file, 4745 u16 rid ) 4746{ 4747 struct proc_data *data; 4748 struct proc_dir_entry *dp = PDE(inode); 4749 struct net_device *dev = dp->data; 4750 struct airo_info *apriv = dev->ml_priv; 4751 StatsRid stats; 4752 int i, j; 4753 __le32 *vals = stats.vals; 4754 int len; 4755 4756 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) 4757 return -ENOMEM; 4758 data = file->private_data; 4759 if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) { 4760 kfree (file->private_data); 4761 return -ENOMEM; 4762 } 4763 4764 readStatsRid(apriv, &stats, rid, 1); 4765 len = le16_to_cpu(stats.len); 4766 4767 j = 0; 4768 for(i=0; statsLabels[i]!=(char *)-1 && i*4<len; i++) { 4769 if (!statsLabels[i]) continue; 4770 if (j+strlen(statsLabels[i])+16>4096) { 4771 airo_print_warn(apriv->dev->name, 4772 "Potentially disastrous buffer overflow averted!"); 4773 break; 4774 } 4775 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], 4776 le32_to_cpu(vals[i])); 4777 } 4778 if (i*4 >= len) { 4779 airo_print_warn(apriv->dev->name, "Got a short rid"); 4780 } 4781 data->readlen = j; 4782 return 0; 4783} 4784 4785static int get_dec_u16( char *buffer, int *start, int limit ) { 4786 u16 value; 4787 int valid = 0; 4788 for (value = 0; *start < limit && buffer[*start] >= '0' && 4789 buffer[*start] <= '9'; (*start)++) { 4790 valid = 1; 4791 value *= 10; 4792 value += buffer[*start] - '0'; 4793 } 4794 if ( !valid ) return -1; 4795 return value; 4796} 4797 4798static int airo_config_commit(struct net_device *dev, 4799 struct iw_request_info *info, void *zwrq, 4800 char *extra); 4801 4802static inline int sniffing_mode(struct airo_info *ai) 4803{ 4804 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >= 4805 le16_to_cpu(RXMODE_RFMON); 4806} 4807 4808static void proc_config_on_close(struct inode *inode, struct file *file) 4809{ 4810 struct proc_data *data = file->private_data; 4811 struct proc_dir_entry *dp = PDE(inode); 4812 struct net_device *dev = dp->data; 4813 struct airo_info *ai = dev->ml_priv; 4814 char *line; 4815 4816 if ( !data->writelen ) return; 4817 4818 readConfigRid(ai, 1); 4819 set_bit (FLAG_COMMIT, &ai->flags); 4820 4821 line = data->wbuffer; 4822 while( line[0] ) { 4823/*** Mode processing */ 4824 if ( !strncmp( line, "Mode: ", 6 ) ) { 4825 line += 6; 4826 if (sniffing_mode(ai)) 4827 set_bit (FLAG_RESET, &ai->flags); 4828 ai->config.rmode &= ~RXMODE_FULL_MASK; 4829 clear_bit (FLAG_802_11, &ai->flags); 4830 ai->config.opmode &= ~MODE_CFG_MASK; 4831 ai->config.scanMode = SCANMODE_ACTIVE; 4832 if ( line[0] == 'a' ) { 4833 ai->config.opmode |= MODE_STA_IBSS; 4834 } else { 4835 ai->config.opmode |= MODE_STA_ESS; 4836 if ( line[0] == 'r' ) { 4837 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 4838 ai->config.scanMode = SCANMODE_PASSIVE; 4839 set_bit (FLAG_802_11, &ai->flags); 4840 } else if ( line[0] == 'y' ) { 4841 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER; 4842 ai->config.scanMode = SCANMODE_PASSIVE; 4843 set_bit (FLAG_802_11, &ai->flags); 4844 } else if ( line[0] == 'l' ) 4845 ai->config.rmode |= RXMODE_LANMON; 4846 } 4847 set_bit (FLAG_COMMIT, &ai->flags); 4848 } 4849 4850/*** Radio status */ 4851 else if (!strncmp(line,"Radio: ", 7)) { 4852 line += 7; 4853 if (!strncmp(line,"off",3)) { 4854 set_bit (FLAG_RADIO_OFF, &ai->flags); 4855 } else { 4856 clear_bit (FLAG_RADIO_OFF, &ai->flags); 4857 } 4858 } 4859/*** NodeName processing */ 4860 else if ( !strncmp( line, "NodeName: ", 10 ) ) { 4861 int j; 4862 4863 line += 10; 4864 memset( ai->config.nodeName, 0, 16 ); 4865/* Do the name, assume a space between the mode and node name */ 4866 for( j = 0; j < 16 && line[j] != '\n'; j++ ) { 4867 ai->config.nodeName[j] = line[j]; 4868 } 4869 set_bit (FLAG_COMMIT, &ai->flags); 4870 } 4871 4872/*** PowerMode processing */ 4873 else if ( !strncmp( line, "PowerMode: ", 11 ) ) { 4874 line += 11; 4875 if ( !strncmp( line, "PSPCAM", 6 ) ) { 4876 ai->config.powerSaveMode = POWERSAVE_PSPCAM; 4877 set_bit (FLAG_COMMIT, &ai->flags); 4878 } else if ( !strncmp( line, "PSP", 3 ) ) { 4879 ai->config.powerSaveMode = POWERSAVE_PSP; 4880 set_bit (FLAG_COMMIT, &ai->flags); 4881 } else { 4882 ai->config.powerSaveMode = POWERSAVE_CAM; 4883 set_bit (FLAG_COMMIT, &ai->flags); 4884 } 4885 } else if ( !strncmp( line, "DataRates: ", 11 ) ) { 4886 int v, i = 0, k = 0; /* i is index into line, 4887 k is index to rates */ 4888 4889 line += 11; 4890 while((v = get_dec_u16(line, &i, 3))!=-1) { 4891 ai->config.rates[k++] = (u8)v; 4892 line += i + 1; 4893 i = 0; 4894 } 4895 set_bit (FLAG_COMMIT, &ai->flags); 4896 } else if ( !strncmp( line, "Channel: ", 9 ) ) { 4897 int v, i = 0; 4898 line += 9; 4899 v = get_dec_u16(line, &i, i+3); 4900 if ( v != -1 ) { 4901 ai->config.channelSet = cpu_to_le16(v); 4902 set_bit (FLAG_COMMIT, &ai->flags); 4903 } 4904 } else if ( !strncmp( line, "XmitPower: ", 11 ) ) { 4905 int v, i = 0; 4906 line += 11; 4907 v = get_dec_u16(line, &i, i+3); 4908 if ( v != -1 ) { 4909 ai->config.txPower = cpu_to_le16(v); 4910 set_bit (FLAG_COMMIT, &ai->flags); 4911 } 4912 } else if ( !strncmp( line, "WEP: ", 5 ) ) { 4913 line += 5; 4914 switch( line[0] ) { 4915 case 's': 4916 ai->config.authType = AUTH_SHAREDKEY; 4917 break; 4918 case 'e': 4919 ai->config.authType = AUTH_ENCRYPT; 4920 break; 4921 default: 4922 ai->config.authType = AUTH_OPEN; 4923 break; 4924 } 4925 set_bit (FLAG_COMMIT, &ai->flags); 4926 } else if ( !strncmp( line, "LongRetryLimit: ", 16 ) ) { 4927 int v, i = 0; 4928 4929 line += 16; 4930 v = get_dec_u16(line, &i, 3); 4931 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4932 ai->config.longRetryLimit = cpu_to_le16(v); 4933 set_bit (FLAG_COMMIT, &ai->flags); 4934 } else if ( !strncmp( line, "ShortRetryLimit: ", 17 ) ) { 4935 int v, i = 0; 4936 4937 line += 17; 4938 v = get_dec_u16(line, &i, 3); 4939 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4940 ai->config.shortRetryLimit = cpu_to_le16(v); 4941 set_bit (FLAG_COMMIT, &ai->flags); 4942 } else if ( !strncmp( line, "RTSThreshold: ", 14 ) ) { 4943 int v, i = 0; 4944 4945 line += 14; 4946 v = get_dec_u16(line, &i, 4); 4947 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4948 ai->config.rtsThres = cpu_to_le16(v); 4949 set_bit (FLAG_COMMIT, &ai->flags); 4950 } else if ( !strncmp( line, "TXMSDULifetime: ", 16 ) ) { 4951 int v, i = 0; 4952 4953 line += 16; 4954 v = get_dec_u16(line, &i, 5); 4955 v = (v<0) ? 0 : v; 4956 ai->config.txLifetime = cpu_to_le16(v); 4957 set_bit (FLAG_COMMIT, &ai->flags); 4958 } else if ( !strncmp( line, "RXMSDULifetime: ", 16 ) ) { 4959 int v, i = 0; 4960 4961 line += 16; 4962 v = get_dec_u16(line, &i, 5); 4963 v = (v<0) ? 0 : v; 4964 ai->config.rxLifetime = cpu_to_le16(v); 4965 set_bit (FLAG_COMMIT, &ai->flags); 4966 } else if ( !strncmp( line, "TXDiversity: ", 13 ) ) { 4967 ai->config.txDiversity = 4968 (line[13]=='l') ? 1 : 4969 ((line[13]=='r')? 2: 3); 4970 set_bit (FLAG_COMMIT, &ai->flags); 4971 } else if ( !strncmp( line, "RXDiversity: ", 13 ) ) { 4972 ai->config.rxDiversity = 4973 (line[13]=='l') ? 1 : 4974 ((line[13]=='r')? 2: 3); 4975 set_bit (FLAG_COMMIT, &ai->flags); 4976 } else if ( !strncmp( line, "FragThreshold: ", 15 ) ) { 4977 int v, i = 0; 4978 4979 line += 15; 4980 v = get_dec_u16(line, &i, 4); 4981 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4982 v = v & 0xfffe; /* Make sure its even */ 4983 ai->config.fragThresh = cpu_to_le16(v); 4984 set_bit (FLAG_COMMIT, &ai->flags); 4985 } else if (!strncmp(line, "Modulation: ", 12)) { 4986 line += 12; 4987 switch(*line) { 4988 case 'd': ai->config.modulation=MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break; 4989 case 'c': ai->config.modulation=MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break; 4990 case 'm': ai->config.modulation=MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break; 4991 default: airo_print_warn(ai->dev->name, "Unknown modulation"); 4992 } 4993 } else if (!strncmp(line, "Preamble: ", 10)) { 4994 line += 10; 4995 switch(*line) { 4996 case 'a': ai->config.preamble=PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break; 4997 case 'l': ai->config.preamble=PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break; 4998 case 's': ai->config.preamble=PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break; 4999 default: airo_print_warn(ai->dev->name, "Unknown preamble"); 5000 } 5001 } else { 5002 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line); 5003 } 5004 while( line[0] && line[0] != '\n' ) line++; 5005 if ( line[0] ) line++; 5006 } 5007 airo_config_commit(dev, NULL, NULL, NULL); 5008} 5009 5010static const char *get_rmode(__le16 mode) 5011{ 5012 switch(mode & RXMODE_MASK) { 5013 case RXMODE_RFMON: return "rfmon"; 5014 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon"; 5015 case RXMODE_LANMON: return "lanmon"; 5016 } 5017 return "ESS"; 5018} 5019 5020static int proc_config_open(struct inode *inode, struct file *file) 5021{ 5022 struct proc_data *data; 5023 struct proc_dir_entry *dp = PDE(inode); 5024 struct net_device *dev = dp->data; 5025 struct airo_info *ai = dev->ml_priv; 5026 int i; 5027 __le16 mode; 5028 5029 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) 5030 return -ENOMEM; 5031 data = file->private_data; 5032 if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) { 5033 kfree (file->private_data); 5034 return -ENOMEM; 5035 } 5036 if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) { 5037 kfree (data->rbuffer); 5038 kfree (file->private_data); 5039 return -ENOMEM; 5040 } 5041 data->maxwritelen = 2048; 5042 data->on_close = proc_config_on_close; 5043 5044 readConfigRid(ai, 1); 5045 5046 mode = ai->config.opmode & MODE_CFG_MASK; 5047 i = sprintf( data->rbuffer, 5048 "Mode: %s\n" 5049 "Radio: %s\n" 5050 "NodeName: %-16s\n" 5051 "PowerMode: %s\n" 5052 "DataRates: %d %d %d %d %d %d %d %d\n" 5053 "Channel: %d\n" 5054 "XmitPower: %d\n", 5055 mode == MODE_STA_IBSS ? "adhoc" : 5056 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode): 5057 mode == MODE_AP ? "AP" : 5058 mode == MODE_AP_RPTR ? "AP RPTR" : "Error", 5059 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on", 5060 ai->config.nodeName, 5061 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" : 5062 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" : 5063 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" : 5064 "Error", 5065 (int)ai->config.rates[0], 5066 (int)ai->config.rates[1], 5067 (int)ai->config.rates[2], 5068 (int)ai->config.rates[3], 5069 (int)ai->config.rates[4], 5070 (int)ai->config.rates[5], 5071 (int)ai->config.rates[6], 5072 (int)ai->config.rates[7], 5073 le16_to_cpu(ai->config.channelSet), 5074 le16_to_cpu(ai->config.txPower) 5075 ); 5076 sprintf( data->rbuffer + i, 5077 "LongRetryLimit: %d\n" 5078 "ShortRetryLimit: %d\n" 5079 "RTSThreshold: %d\n" 5080 "TXMSDULifetime: %d\n" 5081 "RXMSDULifetime: %d\n" 5082 "TXDiversity: %s\n" 5083 "RXDiversity: %s\n" 5084 "FragThreshold: %d\n" 5085 "WEP: %s\n" 5086 "Modulation: %s\n" 5087 "Preamble: %s\n", 5088 le16_to_cpu(ai->config.longRetryLimit), 5089 le16_to_cpu(ai->config.shortRetryLimit), 5090 le16_to_cpu(ai->config.rtsThres), 5091 le16_to_cpu(ai->config.txLifetime), 5092 le16_to_cpu(ai->config.rxLifetime), 5093 ai->config.txDiversity == 1 ? "left" : 5094 ai->config.txDiversity == 2 ? "right" : "both", 5095 ai->config.rxDiversity == 1 ? "left" : 5096 ai->config.rxDiversity == 2 ? "right" : "both", 5097 le16_to_cpu(ai->config.fragThresh), 5098 ai->config.authType == AUTH_ENCRYPT ? "encrypt" : 5099 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open", 5100 ai->config.modulation == MOD_DEFAULT ? "default" : 5101 ai->config.modulation == MOD_CCK ? "cck" : 5102 ai->config.modulation == MOD_MOK ? "mok" : "error", 5103 ai->config.preamble == PREAMBLE_AUTO ? "auto" : 5104 ai->config.preamble == PREAMBLE_LONG ? "long" : 5105 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error" 5106 ); 5107 data->readlen = strlen( data->rbuffer ); 5108 return 0; 5109} 5110 5111static void proc_SSID_on_close(struct inode *inode, struct file *file) 5112{ 5113 struct proc_data *data = file->private_data; 5114 struct proc_dir_entry *dp = PDE(inode); 5115 struct net_device *dev = dp->data; 5116 struct airo_info *ai = dev->ml_priv; 5117 SsidRid SSID_rid; 5118 int i; 5119 char *p = data->wbuffer; 5120 char *end = p + data->writelen; 5121 5122 if (!data->writelen) 5123 return; 5124 5125 *end = '\n'; /* sentinel; we have space for it */ 5126 5127 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5128 5129 for (i = 0; i < 3 && p < end; i++) { 5130 int j = 0; 5131 /* copy up to 32 characters from this line */ 5132 while (*p != '\n' && j < 32) 5133 SSID_rid.ssids[i].ssid[j++] = *p++; 5134 if (j == 0) 5135 break; 5136 SSID_rid.ssids[i].len = cpu_to_le16(j); 5137 /* skip to the beginning of the next line */ 5138 while (*p++ != '\n') 5139 ; 5140 } 5141 if (i) 5142 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5143 disable_MAC(ai, 1); 5144 writeSsidRid(ai, &SSID_rid, 1); 5145 enable_MAC(ai, 1); 5146} 5147 5148static void proc_APList_on_close( struct inode *inode, struct file *file ) { 5149 struct proc_data *data = file->private_data; 5150 struct proc_dir_entry *dp = PDE(inode); 5151 struct net_device *dev = dp->data; 5152 struct airo_info *ai = dev->ml_priv; 5153 APListRid APList_rid; 5154 int i; 5155 5156 if ( !data->writelen ) return; 5157 5158 memset( &APList_rid, 0, sizeof(APList_rid) ); 5159 APList_rid.len = cpu_to_le16(sizeof(APList_rid)); 5160 5161 for( i = 0; i < 4 && data->writelen >= (i+1)*6*3; i++ ) { 5162 int j; 5163 for( j = 0; j < 6*3 && data->wbuffer[j+i*6*3]; j++ ) { 5164 switch(j%3) { 5165 case 0: 5166 APList_rid.ap[i][j/3]= 5167 hex_to_bin(data->wbuffer[j+i*6*3])<<4; 5168 break; 5169 case 1: 5170 APList_rid.ap[i][j/3]|= 5171 hex_to_bin(data->wbuffer[j+i*6*3]); 5172 break; 5173 } 5174 } 5175 } 5176 disable_MAC(ai, 1); 5177 writeAPListRid(ai, &APList_rid, 1); 5178 enable_MAC(ai, 1); 5179} 5180 5181/* This function wraps PC4500_writerid with a MAC disable */ 5182static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data, 5183 int len, int dummy ) { 5184 int rc; 5185 5186 disable_MAC(ai, 1); 5187 rc = PC4500_writerid(ai, rid, rid_data, len, 1); 5188 enable_MAC(ai, 1); 5189 return rc; 5190} 5191 5192/* Returns the WEP key at the specified index, or -1 if that key does 5193 * not exist. The buffer is assumed to be at least 16 bytes in length. 5194 */ 5195static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen) 5196{ 5197 WepKeyRid wkr; 5198 int rc; 5199 __le16 lastindex; 5200 5201 rc = readWepKeyRid(ai, &wkr, 1, 1); 5202 if (rc != SUCCESS) 5203 return -1; 5204 do { 5205 lastindex = wkr.kindex; 5206 if (le16_to_cpu(wkr.kindex) == index) { 5207 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen)); 5208 memcpy(buf, wkr.key, klen); 5209 return klen; 5210 } 5211 rc = readWepKeyRid(ai, &wkr, 0, 1); 5212 if (rc != SUCCESS) 5213 return -1; 5214 } while (lastindex != wkr.kindex); 5215 return -1; 5216} 5217 5218static int get_wep_tx_idx(struct airo_info *ai) 5219{ 5220 WepKeyRid wkr; 5221 int rc; 5222 __le16 lastindex; 5223 5224 rc = readWepKeyRid(ai, &wkr, 1, 1); 5225 if (rc != SUCCESS) 5226 return -1; 5227 do { 5228 lastindex = wkr.kindex; 5229 if (wkr.kindex == cpu_to_le16(0xffff)) 5230 return wkr.mac[0]; 5231 rc = readWepKeyRid(ai, &wkr, 0, 1); 5232 if (rc != SUCCESS) 5233 return -1; 5234 } while (lastindex != wkr.kindex); 5235 return -1; 5236} 5237 5238static int set_wep_key(struct airo_info *ai, u16 index, const char *key, 5239 u16 keylen, int perm, int lock) 5240{ 5241 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; 5242 WepKeyRid wkr; 5243 int rc; 5244 5245 if (WARN_ON(keylen == 0)) 5246 return -1; 5247 5248 memset(&wkr, 0, sizeof(wkr)); 5249 wkr.len = cpu_to_le16(sizeof(wkr)); 5250 wkr.kindex = cpu_to_le16(index); 5251 wkr.klen = cpu_to_le16(keylen); 5252 memcpy(wkr.key, key, keylen); 5253 memcpy(wkr.mac, macaddr, ETH_ALEN); 5254 5255 if (perm) disable_MAC(ai, lock); 5256 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5257 if (perm) enable_MAC(ai, lock); 5258 return rc; 5259} 5260 5261static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock) 5262{ 5263 WepKeyRid wkr; 5264 int rc; 5265 5266 memset(&wkr, 0, sizeof(wkr)); 5267 wkr.len = cpu_to_le16(sizeof(wkr)); 5268 wkr.kindex = cpu_to_le16(0xffff); 5269 wkr.mac[0] = (char)index; 5270 5271 if (perm) { 5272 ai->defindex = (char)index; 5273 disable_MAC(ai, lock); 5274 } 5275 5276 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5277 5278 if (perm) 5279 enable_MAC(ai, lock); 5280 return rc; 5281} 5282 5283static void proc_wepkey_on_close( struct inode *inode, struct file *file ) { 5284 struct proc_data *data; 5285 struct proc_dir_entry *dp = PDE(inode); 5286 struct net_device *dev = dp->data; 5287 struct airo_info *ai = dev->ml_priv; 5288 int i, rc; 5289 char key[16]; 5290 u16 index = 0; 5291 int j = 0; 5292 5293 memset(key, 0, sizeof(key)); 5294 5295 data = file->private_data; 5296 if ( !data->writelen ) return; 5297 5298 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' && 5299 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) { 5300 index = data->wbuffer[0] - '0'; 5301 if (data->wbuffer[1] == '\n') { 5302 rc = set_wep_tx_idx(ai, index, 1, 1); 5303 if (rc < 0) { 5304 airo_print_err(ai->dev->name, "failed to set " 5305 "WEP transmit index to %d: %d.", 5306 index, rc); 5307 } 5308 return; 5309 } 5310 j = 2; 5311 } else { 5312 airo_print_err(ai->dev->name, "WepKey passed invalid key index"); 5313 return; 5314 } 5315 5316 for( i = 0; i < 16*3 && data->wbuffer[i+j]; i++ ) { 5317 switch(i%3) { 5318 case 0: 5319 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4; 5320 break; 5321 case 1: 5322 key[i/3] |= hex_to_bin(data->wbuffer[i+j]); 5323 break; 5324 } 5325 } 5326 5327 rc = set_wep_key(ai, index, key, i/3, 1, 1); 5328 if (rc < 0) { 5329 airo_print_err(ai->dev->name, "failed to set WEP key at index " 5330 "%d: %d.", index, rc); 5331 } 5332} 5333 5334static int proc_wepkey_open( struct inode *inode, struct file *file ) 5335{ 5336 struct proc_data *data; 5337 struct proc_dir_entry *dp = PDE(inode); 5338 struct net_device *dev = dp->data; 5339 struct airo_info *ai = dev->ml_priv; 5340 char *ptr; 5341 WepKeyRid wkr; 5342 __le16 lastindex; 5343 int j=0; 5344 int rc; 5345 5346 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) 5347 return -ENOMEM; 5348 memset(&wkr, 0, sizeof(wkr)); 5349 data = file->private_data; 5350 if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) { 5351 kfree (file->private_data); 5352 return -ENOMEM; 5353 } 5354 data->writelen = 0; 5355 data->maxwritelen = 80; 5356 if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) { 5357 kfree (data->rbuffer); 5358 kfree (file->private_data); 5359 return -ENOMEM; 5360 } 5361 data->on_close = proc_wepkey_on_close; 5362 5363 ptr = data->rbuffer; 5364 strcpy(ptr, "No wep keys\n"); 5365 rc = readWepKeyRid(ai, &wkr, 1, 1); 5366 if (rc == SUCCESS) do { 5367 lastindex = wkr.kindex; 5368 if (wkr.kindex == cpu_to_le16(0xffff)) { 5369 j += sprintf(ptr+j, "Tx key = %d\n", 5370 (int)wkr.mac[0]); 5371 } else { 5372 j += sprintf(ptr+j, "Key %d set with length = %d\n", 5373 le16_to_cpu(wkr.kindex), 5374 le16_to_cpu(wkr.klen)); 5375 } 5376 readWepKeyRid(ai, &wkr, 0, 1); 5377 } while((lastindex != wkr.kindex) && (j < 180-30)); 5378 5379 data->readlen = strlen( data->rbuffer ); 5380 return 0; 5381} 5382 5383static int proc_SSID_open(struct inode *inode, struct file *file) 5384{ 5385 struct proc_data *data; 5386 struct proc_dir_entry *dp = PDE(inode); 5387 struct net_device *dev = dp->data; 5388 struct airo_info *ai = dev->ml_priv; 5389 int i; 5390 char *ptr; 5391 SsidRid SSID_rid; 5392 5393 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) 5394 return -ENOMEM; 5395 data = file->private_data; 5396 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) { 5397 kfree (file->private_data); 5398 return -ENOMEM; 5399 } 5400 data->writelen = 0; 5401 data->maxwritelen = 33*3; 5402 /* allocate maxwritelen + 1; we'll want a sentinel */ 5403 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) { 5404 kfree (data->rbuffer); 5405 kfree (file->private_data); 5406 return -ENOMEM; 5407 } 5408 data->on_close = proc_SSID_on_close; 5409 5410 readSsidRid(ai, &SSID_rid); 5411 ptr = data->rbuffer; 5412 for (i = 0; i < 3; i++) { 5413 int j; 5414 size_t len = le16_to_cpu(SSID_rid.ssids[i].len); 5415 if (!len) 5416 break; 5417 if (len > 32) 5418 len = 32; 5419 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++) 5420 *ptr++ = SSID_rid.ssids[i].ssid[j]; 5421 *ptr++ = '\n'; 5422 } 5423 *ptr = '\0'; 5424 data->readlen = strlen( data->rbuffer ); 5425 return 0; 5426} 5427 5428static int proc_APList_open( struct inode *inode, struct file *file ) { 5429 struct proc_data *data; 5430 struct proc_dir_entry *dp = PDE(inode); 5431 struct net_device *dev = dp->data; 5432 struct airo_info *ai = dev->ml_priv; 5433 int i; 5434 char *ptr; 5435 APListRid APList_rid; 5436 5437 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) 5438 return -ENOMEM; 5439 data = file->private_data; 5440 if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) { 5441 kfree (file->private_data); 5442 return -ENOMEM; 5443 } 5444 data->writelen = 0; 5445 data->maxwritelen = 4*6*3; 5446 if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) { 5447 kfree (data->rbuffer); 5448 kfree (file->private_data); 5449 return -ENOMEM; 5450 } 5451 data->on_close = proc_APList_on_close; 5452 5453 readAPListRid(ai, &APList_rid); 5454 ptr = data->rbuffer; 5455 for( i = 0; i < 4; i++ ) { 5456// We end when we find a zero MAC 5457 if ( !*(int*)APList_rid.ap[i] && 5458 !*(int*)&APList_rid.ap[i][2]) break; 5459 ptr += sprintf(ptr, "%pM\n", APList_rid.ap[i]); 5460 } 5461 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n"); 5462 5463 *ptr = '\0'; 5464 data->readlen = strlen( data->rbuffer ); 5465 return 0; 5466} 5467 5468static int proc_BSSList_open( struct inode *inode, struct file *file ) { 5469 struct proc_data *data; 5470 struct proc_dir_entry *dp = PDE(inode); 5471 struct net_device *dev = dp->data; 5472 struct airo_info *ai = dev->ml_priv; 5473 char *ptr; 5474 BSSListRid BSSList_rid; 5475 int rc; 5476 /* If doLoseSync is not 1, we won't do a Lose Sync */ 5477 int doLoseSync = -1; 5478 5479 if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) 5480 return -ENOMEM; 5481 data = file->private_data; 5482 if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) { 5483 kfree (file->private_data); 5484 return -ENOMEM; 5485 } 5486 data->writelen = 0; 5487 data->maxwritelen = 0; 5488 data->wbuffer = NULL; 5489 data->on_close = NULL; 5490 5491 if (file->f_mode & FMODE_WRITE) { 5492 if (!(file->f_mode & FMODE_READ)) { 5493 Cmd cmd; 5494 Resp rsp; 5495 5496 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 5497 memset(&cmd, 0, sizeof(cmd)); 5498 cmd.cmd=CMD_LISTBSS; 5499 if (down_interruptible(&ai->sem)) 5500 return -ERESTARTSYS; 5501 issuecommand(ai, &cmd, &rsp); 5502 up(&ai->sem); 5503 data->readlen = 0; 5504 return 0; 5505 } 5506 doLoseSync = 1; 5507 } 5508 ptr = data->rbuffer; 5509 /* There is a race condition here if there are concurrent opens. 5510 Since it is a rare condition, we'll just live with it, otherwise 5511 we have to add a spin lock... */ 5512 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid); 5513 while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) { 5514 ptr += sprintf(ptr, "%pM %*s rssi = %d", 5515 BSSList_rid.bssid, 5516 (int)BSSList_rid.ssidLen, 5517 BSSList_rid.ssid, 5518 le16_to_cpu(BSSList_rid.dBm)); 5519 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n", 5520 le16_to_cpu(BSSList_rid.dsChannel), 5521 BSSList_rid.cap & CAP_ESS ? "ESS" : "", 5522 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "", 5523 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "", 5524 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : ""); 5525 rc = readBSSListRid(ai, 0, &BSSList_rid); 5526 } 5527 *ptr = '\0'; 5528 data->readlen = strlen( data->rbuffer ); 5529 return 0; 5530} 5531 5532static int proc_close( struct inode *inode, struct file *file ) 5533{ 5534 struct proc_data *data = file->private_data; 5535 5536 if (data->on_close != NULL) 5537 data->on_close(inode, file); 5538 kfree(data->rbuffer); 5539 kfree(data->wbuffer); 5540 kfree(data); 5541 return 0; 5542} 5543 5544/* Since the card doesn't automatically switch to the right WEP mode, 5545 we will make it do it. If the card isn't associated, every secs we 5546 will switch WEP modes to see if that will help. If the card is 5547 associated we will check every minute to see if anything has 5548 changed. */ 5549static void timer_func( struct net_device *dev ) { 5550 struct airo_info *apriv = dev->ml_priv; 5551 5552/* We don't have a link so try changing the authtype */ 5553 readConfigRid(apriv, 0); 5554 disable_MAC(apriv, 0); 5555 switch(apriv->config.authType) { 5556 case AUTH_ENCRYPT: 5557/* So drop to OPEN */ 5558 apriv->config.authType = AUTH_OPEN; 5559 break; 5560 case AUTH_SHAREDKEY: 5561 if (apriv->keyindex < auto_wep) { 5562 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0); 5563 apriv->config.authType = AUTH_SHAREDKEY; 5564 apriv->keyindex++; 5565 } else { 5566 /* Drop to ENCRYPT */ 5567 apriv->keyindex = 0; 5568 set_wep_tx_idx(apriv, apriv->defindex, 0, 0); 5569 apriv->config.authType = AUTH_ENCRYPT; 5570 } 5571 break; 5572 default: /* We'll escalate to SHAREDKEY */ 5573 apriv->config.authType = AUTH_SHAREDKEY; 5574 } 5575 set_bit (FLAG_COMMIT, &apriv->flags); 5576 writeConfigRid(apriv, 0); 5577 enable_MAC(apriv, 0); 5578 up(&apriv->sem); 5579 5580/* Schedule check to see if the change worked */ 5581 clear_bit(JOB_AUTOWEP, &apriv->jobs); 5582 apriv->expires = RUN_AT(HZ*3); 5583} 5584 5585#ifdef CONFIG_PCI 5586static int __devinit airo_pci_probe(struct pci_dev *pdev, 5587 const struct pci_device_id *pent) 5588{ 5589 struct net_device *dev; 5590 5591 if (pci_enable_device(pdev)) 5592 return -ENODEV; 5593 pci_set_master(pdev); 5594 5595 if (pdev->device == 0x5000 || pdev->device == 0xa504) 5596 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); 5597 else 5598 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); 5599 if (!dev) { 5600 pci_disable_device(pdev); 5601 return -ENODEV; 5602 } 5603 5604 pci_set_drvdata(pdev, dev); 5605 return 0; 5606} 5607 5608static void __devexit airo_pci_remove(struct pci_dev *pdev) 5609{ 5610 struct net_device *dev = pci_get_drvdata(pdev); 5611 5612 airo_print_info(dev->name, "Unregistering..."); 5613 stop_airo_card(dev, 1); 5614 pci_disable_device(pdev); 5615 pci_set_drvdata(pdev, NULL); 5616} 5617 5618static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state) 5619{ 5620 struct net_device *dev = pci_get_drvdata(pdev); 5621 struct airo_info *ai = dev->ml_priv; 5622 Cmd cmd; 5623 Resp rsp; 5624 5625 if (!ai->APList) 5626 ai->APList = kmalloc(sizeof(APListRid), GFP_KERNEL); 5627 if (!ai->APList) 5628 return -ENOMEM; 5629 if (!ai->SSID) 5630 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL); 5631 if (!ai->SSID) 5632 return -ENOMEM; 5633 readAPListRid(ai, ai->APList); 5634 readSsidRid(ai, ai->SSID); 5635 memset(&cmd, 0, sizeof(cmd)); 5636 /* the lock will be released at the end of the resume callback */ 5637 if (down_interruptible(&ai->sem)) 5638 return -EAGAIN; 5639 disable_MAC(ai, 0); 5640 netif_device_detach(dev); 5641 ai->power = state; 5642 cmd.cmd = HOSTSLEEP; 5643 issuecommand(ai, &cmd, &rsp); 5644 5645 pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); 5646 pci_save_state(pdev); 5647 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 5648 return 0; 5649} 5650 5651static int airo_pci_resume(struct pci_dev *pdev) 5652{ 5653 struct net_device *dev = pci_get_drvdata(pdev); 5654 struct airo_info *ai = dev->ml_priv; 5655 pci_power_t prev_state = pdev->current_state; 5656 5657 pci_set_power_state(pdev, PCI_D0); 5658 pci_restore_state(pdev); 5659 pci_enable_wake(pdev, PCI_D0, 0); 5660 5661 if (prev_state != PCI_D1) { 5662 reset_card(dev, 0); 5663 mpi_init_descriptors(ai); 5664 setup_card(ai, dev->dev_addr, 0); 5665 clear_bit(FLAG_RADIO_OFF, &ai->flags); 5666 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 5667 } else { 5668 OUT4500(ai, EVACK, EV_AWAKEN); 5669 OUT4500(ai, EVACK, EV_AWAKEN); 5670 msleep(100); 5671 } 5672 5673 set_bit(FLAG_COMMIT, &ai->flags); 5674 disable_MAC(ai, 0); 5675 msleep(200); 5676 if (ai->SSID) { 5677 writeSsidRid(ai, ai->SSID, 0); 5678 kfree(ai->SSID); 5679 ai->SSID = NULL; 5680 } 5681 if (ai->APList) { 5682 writeAPListRid(ai, ai->APList, 0); 5683 kfree(ai->APList); 5684 ai->APList = NULL; 5685 } 5686 writeConfigRid(ai, 0); 5687 enable_MAC(ai, 0); 5688 ai->power = PMSG_ON; 5689 netif_device_attach(dev); 5690 netif_wake_queue(dev); 5691 enable_interrupts(ai); 5692 up(&ai->sem); 5693 return 0; 5694} 5695#endif 5696 5697static int __init airo_init_module( void ) 5698{ 5699 int i; 5700 5701 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL); 5702 5703 if (airo_entry) { 5704 airo_entry->uid = proc_uid; 5705 airo_entry->gid = proc_gid; 5706 } 5707 5708 for (i = 0; i < 4 && io[i] && irq[i]; i++) { 5709 airo_print_info("", "Trying to configure ISA adapter at irq=%d " 5710 "io=0x%x", irq[i], io[i] ); 5711 if (init_airo_card( irq[i], io[i], 0, NULL )) 5712 /* do nothing */ ; 5713 } 5714 5715#ifdef CONFIG_PCI 5716 airo_print_info("", "Probing for PCI adapters"); 5717 i = pci_register_driver(&airo_driver); 5718 airo_print_info("", "Finished probing for PCI adapters"); 5719 5720 if (i) { 5721 remove_proc_entry("driver/aironet", NULL); 5722 return i; 5723 } 5724#endif 5725 5726 /* Always exit with success, as we are a library module 5727 * as well as a driver module 5728 */ 5729 return 0; 5730} 5731 5732static void __exit airo_cleanup_module( void ) 5733{ 5734 struct airo_info *ai; 5735 while(!list_empty(&airo_devices)) { 5736 ai = list_entry(airo_devices.next, struct airo_info, dev_list); 5737 airo_print_info(ai->dev->name, "Unregistering..."); 5738 stop_airo_card(ai->dev, 1); 5739 } 5740#ifdef CONFIG_PCI 5741 pci_unregister_driver(&airo_driver); 5742#endif 5743 remove_proc_entry("driver/aironet", NULL); 5744} 5745 5746/* 5747 * Initial Wireless Extension code for Aironet driver by : 5748 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00 5749 * Conversion to new driver API by : 5750 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02 5751 * Javier also did a good amount of work here, adding some new extensions 5752 * and fixing my code. Let's just say that without him this code just 5753 * would not work at all... - Jean II 5754 */ 5755 5756static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi) 5757{ 5758 if (!rssi_rid) 5759 return 0; 5760 5761 return (0x100 - rssi_rid[rssi].rssidBm); 5762} 5763 5764static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm) 5765{ 5766 int i; 5767 5768 if (!rssi_rid) 5769 return 0; 5770 5771 for (i = 0; i < 256; i++) 5772 if (rssi_rid[i].rssidBm == dbm) 5773 return rssi_rid[i].rssipct; 5774 5775 return 0; 5776} 5777 5778 5779static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid) 5780{ 5781 int quality = 0; 5782 u16 sq; 5783 5784 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f)) 5785 return 0; 5786 5787 if (!(cap_rid->hardCap & cpu_to_le16(8))) 5788 return 0; 5789 5790 sq = le16_to_cpu(status_rid->signalQuality); 5791 if (memcmp(cap_rid->prodName, "350", 3)) 5792 if (sq > 0x20) 5793 quality = 0; 5794 else 5795 quality = 0x20 - sq; 5796 else 5797 if (sq > 0xb0) 5798 quality = 0; 5799 else if (sq < 0x10) 5800 quality = 0xa0; 5801 else 5802 quality = 0xb0 - sq; 5803 return quality; 5804} 5805 5806#define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0) 5807#define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50); 5808 5809/*------------------------------------------------------------------*/ 5810/* 5811 * Wireless Handler : get protocol name 5812 */ 5813static int airo_get_name(struct net_device *dev, 5814 struct iw_request_info *info, 5815 char *cwrq, 5816 char *extra) 5817{ 5818 strcpy(cwrq, "IEEE 802.11-DS"); 5819 return 0; 5820} 5821 5822/*------------------------------------------------------------------*/ 5823/* 5824 * Wireless Handler : set frequency 5825 */ 5826static int airo_set_freq(struct net_device *dev, 5827 struct iw_request_info *info, 5828 struct iw_freq *fwrq, 5829 char *extra) 5830{ 5831 struct airo_info *local = dev->ml_priv; 5832 int rc = -EINPROGRESS; /* Call commit handler */ 5833 5834 /* If setting by frequency, convert to a channel */ 5835 if(fwrq->e == 1) { 5836 int f = fwrq->m / 100000; 5837 5838 /* Hack to fall through... */ 5839 fwrq->e = 0; 5840 fwrq->m = ieee80211_freq_to_dsss_chan(f); 5841 } 5842 /* Setting by channel number */ 5843 if((fwrq->m > 1000) || (fwrq->e > 0)) 5844 rc = -EOPNOTSUPP; 5845 else { 5846 int channel = fwrq->m; 5847 /* We should do a better check than that, 5848 * based on the card capability !!! */ 5849 if((channel < 1) || (channel > 14)) { 5850 airo_print_dbg(dev->name, "New channel value of %d is invalid!", 5851 fwrq->m); 5852 rc = -EINVAL; 5853 } else { 5854 readConfigRid(local, 1); 5855 /* Yes ! We can set it !!! */ 5856 local->config.channelSet = cpu_to_le16(channel); 5857 set_bit (FLAG_COMMIT, &local->flags); 5858 } 5859 } 5860 return rc; 5861} 5862 5863/*------------------------------------------------------------------*/ 5864/* 5865 * Wireless Handler : get frequency 5866 */ 5867static int airo_get_freq(struct net_device *dev, 5868 struct iw_request_info *info, 5869 struct iw_freq *fwrq, 5870 char *extra) 5871{ 5872 struct airo_info *local = dev->ml_priv; 5873 StatusRid status_rid; /* Card status info */ 5874 int ch; 5875 5876 readConfigRid(local, 1); 5877 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS) 5878 status_rid.channel = local->config.channelSet; 5879 else 5880 readStatusRid(local, &status_rid, 1); 5881 5882 ch = le16_to_cpu(status_rid.channel); 5883 if((ch > 0) && (ch < 15)) { 5884 fwrq->m = ieee80211_dsss_chan_to_freq(ch) * 100000; 5885 fwrq->e = 1; 5886 } else { 5887 fwrq->m = ch; 5888 fwrq->e = 0; 5889 } 5890 5891 return 0; 5892} 5893 5894/*------------------------------------------------------------------*/ 5895/* 5896 * Wireless Handler : set ESSID 5897 */ 5898static int airo_set_essid(struct net_device *dev, 5899 struct iw_request_info *info, 5900 struct iw_point *dwrq, 5901 char *extra) 5902{ 5903 struct airo_info *local = dev->ml_priv; 5904 SsidRid SSID_rid; /* SSIDs */ 5905 5906 /* Reload the list of current SSID */ 5907 readSsidRid(local, &SSID_rid); 5908 5909 /* Check if we asked for `any' */ 5910 if (dwrq->flags == 0) { 5911 /* Just send an empty SSID list */ 5912 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5913 } else { 5914 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 5915 5916 /* Check the size of the string */ 5917 if (dwrq->length > IW_ESSID_MAX_SIZE) 5918 return -E2BIG ; 5919 5920 /* Check if index is valid */ 5921 if (index >= ARRAY_SIZE(SSID_rid.ssids)) 5922 return -EINVAL; 5923 5924 /* Set the SSID */ 5925 memset(SSID_rid.ssids[index].ssid, 0, 5926 sizeof(SSID_rid.ssids[index].ssid)); 5927 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length); 5928 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length); 5929 } 5930 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5931 /* Write it to the card */ 5932 disable_MAC(local, 1); 5933 writeSsidRid(local, &SSID_rid, 1); 5934 enable_MAC(local, 1); 5935 5936 return 0; 5937} 5938 5939/*------------------------------------------------------------------*/ 5940/* 5941 * Wireless Handler : get ESSID 5942 */ 5943static int airo_get_essid(struct net_device *dev, 5944 struct iw_request_info *info, 5945 struct iw_point *dwrq, 5946 char *extra) 5947{ 5948 struct airo_info *local = dev->ml_priv; 5949 StatusRid status_rid; /* Card status info */ 5950 5951 readStatusRid(local, &status_rid, 1); 5952 5953 /* Note : if dwrq->flags != 0, we should 5954 * get the relevant SSID from the SSID list... */ 5955 5956 /* Get the current SSID */ 5957 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen)); 5958 /* If none, we may want to get the one that was set */ 5959 5960 /* Push it out ! */ 5961 dwrq->length = le16_to_cpu(status_rid.SSIDlen); 5962 dwrq->flags = 1; /* active */ 5963 5964 return 0; 5965} 5966 5967/*------------------------------------------------------------------*/ 5968/* 5969 * Wireless Handler : set AP address 5970 */ 5971static int airo_set_wap(struct net_device *dev, 5972 struct iw_request_info *info, 5973 struct sockaddr *awrq, 5974 char *extra) 5975{ 5976 struct airo_info *local = dev->ml_priv; 5977 Cmd cmd; 5978 Resp rsp; 5979 APListRid APList_rid; 5980 static const u8 any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5981 static const u8 off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 5982 5983 if (awrq->sa_family != ARPHRD_ETHER) 5984 return -EINVAL; 5985 else if (!memcmp(any, awrq->sa_data, ETH_ALEN) || 5986 !memcmp(off, awrq->sa_data, ETH_ALEN)) { 5987 memset(&cmd, 0, sizeof(cmd)); 5988 cmd.cmd=CMD_LOSE_SYNC; 5989 if (down_interruptible(&local->sem)) 5990 return -ERESTARTSYS; 5991 issuecommand(local, &cmd, &rsp); 5992 up(&local->sem); 5993 } else { 5994 memset(&APList_rid, 0, sizeof(APList_rid)); 5995 APList_rid.len = cpu_to_le16(sizeof(APList_rid)); 5996 memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN); 5997 disable_MAC(local, 1); 5998 writeAPListRid(local, &APList_rid, 1); 5999 enable_MAC(local, 1); 6000 } 6001 return 0; 6002} 6003 6004/*------------------------------------------------------------------*/ 6005/* 6006 * Wireless Handler : get AP address 6007 */ 6008static int airo_get_wap(struct net_device *dev, 6009 struct iw_request_info *info, 6010 struct sockaddr *awrq, 6011 char *extra) 6012{ 6013 struct airo_info *local = dev->ml_priv; 6014 StatusRid status_rid; /* Card status info */ 6015 6016 readStatusRid(local, &status_rid, 1); 6017 6018 /* Tentative. This seems to work, wow, I'm lucky !!! */ 6019 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN); 6020 awrq->sa_family = ARPHRD_ETHER; 6021 6022 return 0; 6023} 6024 6025/*------------------------------------------------------------------*/ 6026/* 6027 * Wireless Handler : set Nickname 6028 */ 6029static int airo_set_nick(struct net_device *dev, 6030 struct iw_request_info *info, 6031 struct iw_point *dwrq, 6032 char *extra) 6033{ 6034 struct airo_info *local = dev->ml_priv; 6035 6036 /* Check the size of the string */ 6037 if(dwrq->length > 16) { 6038 return -E2BIG; 6039 } 6040 readConfigRid(local, 1); 6041 memset(local->config.nodeName, 0, sizeof(local->config.nodeName)); 6042 memcpy(local->config.nodeName, extra, dwrq->length); 6043 set_bit (FLAG_COMMIT, &local->flags); 6044 6045 return -EINPROGRESS; /* Call commit handler */ 6046} 6047 6048/*------------------------------------------------------------------*/ 6049/* 6050 * Wireless Handler : get Nickname 6051 */ 6052static int airo_get_nick(struct net_device *dev, 6053 struct iw_request_info *info, 6054 struct iw_point *dwrq, 6055 char *extra) 6056{ 6057 struct airo_info *local = dev->ml_priv; 6058 6059 readConfigRid(local, 1); 6060 strncpy(extra, local->config.nodeName, 16); 6061 extra[16] = '\0'; 6062 dwrq->length = strlen(extra); 6063 6064 return 0; 6065} 6066 6067/*------------------------------------------------------------------*/ 6068/* 6069 * Wireless Handler : set Bit-Rate 6070 */ 6071static int airo_set_rate(struct net_device *dev, 6072 struct iw_request_info *info, 6073 struct iw_param *vwrq, 6074 char *extra) 6075{ 6076 struct airo_info *local = dev->ml_priv; 6077 CapabilityRid cap_rid; /* Card capability info */ 6078 u8 brate = 0; 6079 int i; 6080 6081 /* First : get a valid bit rate value */ 6082 readCapabilityRid(local, &cap_rid, 1); 6083 6084 /* Which type of value ? */ 6085 if((vwrq->value < 8) && (vwrq->value >= 0)) { 6086 /* Setting by rate index */ 6087 /* Find value in the magic rate table */ 6088 brate = cap_rid.supportedRates[vwrq->value]; 6089 } else { 6090 /* Setting by frequency value */ 6091 u8 normvalue = (u8) (vwrq->value/500000); 6092 6093 /* Check if rate is valid */ 6094 for(i = 0 ; i < 8 ; i++) { 6095 if(normvalue == cap_rid.supportedRates[i]) { 6096 brate = normvalue; 6097 break; 6098 } 6099 } 6100 } 6101 /* -1 designed the max rate (mostly auto mode) */ 6102 if(vwrq->value == -1) { 6103 /* Get the highest available rate */ 6104 for(i = 0 ; i < 8 ; i++) { 6105 if(cap_rid.supportedRates[i] == 0) 6106 break; 6107 } 6108 if(i != 0) 6109 brate = cap_rid.supportedRates[i - 1]; 6110 } 6111 /* Check that it is valid */ 6112 if(brate == 0) { 6113 return -EINVAL; 6114 } 6115 6116 readConfigRid(local, 1); 6117 /* Now, check if we want a fixed or auto value */ 6118 if(vwrq->fixed == 0) { 6119 /* Fill all the rates up to this max rate */ 6120 memset(local->config.rates, 0, 8); 6121 for(i = 0 ; i < 8 ; i++) { 6122 local->config.rates[i] = cap_rid.supportedRates[i]; 6123 if(local->config.rates[i] == brate) 6124 break; 6125 } 6126 } else { 6127 /* Fixed mode */ 6128 /* One rate, fixed */ 6129 memset(local->config.rates, 0, 8); 6130 local->config.rates[0] = brate; 6131 } 6132 set_bit (FLAG_COMMIT, &local->flags); 6133 6134 return -EINPROGRESS; /* Call commit handler */ 6135} 6136 6137/*------------------------------------------------------------------*/ 6138/* 6139 * Wireless Handler : get Bit-Rate 6140 */ 6141static int airo_get_rate(struct net_device *dev, 6142 struct iw_request_info *info, 6143 struct iw_param *vwrq, 6144 char *extra) 6145{ 6146 struct airo_info *local = dev->ml_priv; 6147 StatusRid status_rid; /* Card status info */ 6148 6149 readStatusRid(local, &status_rid, 1); 6150 6151 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; 6152 /* If more than one rate, set auto */ 6153 readConfigRid(local, 1); 6154 vwrq->fixed = (local->config.rates[1] == 0); 6155 6156 return 0; 6157} 6158 6159/*------------------------------------------------------------------*/ 6160/* 6161 * Wireless Handler : set RTS threshold 6162 */ 6163static int airo_set_rts(struct net_device *dev, 6164 struct iw_request_info *info, 6165 struct iw_param *vwrq, 6166 char *extra) 6167{ 6168 struct airo_info *local = dev->ml_priv; 6169 int rthr = vwrq->value; 6170 6171 if(vwrq->disabled) 6172 rthr = AIRO_DEF_MTU; 6173 if((rthr < 0) || (rthr > AIRO_DEF_MTU)) { 6174 return -EINVAL; 6175 } 6176 readConfigRid(local, 1); 6177 local->config.rtsThres = cpu_to_le16(rthr); 6178 set_bit (FLAG_COMMIT, &local->flags); 6179 6180 return -EINPROGRESS; /* Call commit handler */ 6181} 6182 6183/*------------------------------------------------------------------*/ 6184/* 6185 * Wireless Handler : get RTS threshold 6186 */ 6187static int airo_get_rts(struct net_device *dev, 6188 struct iw_request_info *info, 6189 struct iw_param *vwrq, 6190 char *extra) 6191{ 6192 struct airo_info *local = dev->ml_priv; 6193 6194 readConfigRid(local, 1); 6195 vwrq->value = le16_to_cpu(local->config.rtsThres); 6196 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6197 vwrq->fixed = 1; 6198 6199 return 0; 6200} 6201 6202/*------------------------------------------------------------------*/ 6203/* 6204 * Wireless Handler : set Fragmentation threshold 6205 */ 6206static int airo_set_frag(struct net_device *dev, 6207 struct iw_request_info *info, 6208 struct iw_param *vwrq, 6209 char *extra) 6210{ 6211 struct airo_info *local = dev->ml_priv; 6212 int fthr = vwrq->value; 6213 6214 if(vwrq->disabled) 6215 fthr = AIRO_DEF_MTU; 6216 if((fthr < 256) || (fthr > AIRO_DEF_MTU)) { 6217 return -EINVAL; 6218 } 6219 fthr &= ~0x1; /* Get an even value - is it really needed ??? */ 6220 readConfigRid(local, 1); 6221 local->config.fragThresh = cpu_to_le16(fthr); 6222 set_bit (FLAG_COMMIT, &local->flags); 6223 6224 return -EINPROGRESS; /* Call commit handler */ 6225} 6226 6227/*------------------------------------------------------------------*/ 6228/* 6229 * Wireless Handler : get Fragmentation threshold 6230 */ 6231static int airo_get_frag(struct net_device *dev, 6232 struct iw_request_info *info, 6233 struct iw_param *vwrq, 6234 char *extra) 6235{ 6236 struct airo_info *local = dev->ml_priv; 6237 6238 readConfigRid(local, 1); 6239 vwrq->value = le16_to_cpu(local->config.fragThresh); 6240 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6241 vwrq->fixed = 1; 6242 6243 return 0; 6244} 6245 6246/*------------------------------------------------------------------*/ 6247/* 6248 * Wireless Handler : set Mode of Operation 6249 */ 6250static int airo_set_mode(struct net_device *dev, 6251 struct iw_request_info *info, 6252 __u32 *uwrq, 6253 char *extra) 6254{ 6255 struct airo_info *local = dev->ml_priv; 6256 int reset = 0; 6257 6258 readConfigRid(local, 1); 6259 if (sniffing_mode(local)) 6260 reset = 1; 6261 6262 switch(*uwrq) { 6263 case IW_MODE_ADHOC: 6264 local->config.opmode &= ~MODE_CFG_MASK; 6265 local->config.opmode |= MODE_STA_IBSS; 6266 local->config.rmode &= ~RXMODE_FULL_MASK; 6267 local->config.scanMode = SCANMODE_ACTIVE; 6268 clear_bit (FLAG_802_11, &local->flags); 6269 break; 6270 case IW_MODE_INFRA: 6271 local->config.opmode &= ~MODE_CFG_MASK; 6272 local->config.opmode |= MODE_STA_ESS; 6273 local->config.rmode &= ~RXMODE_FULL_MASK; 6274 local->config.scanMode = SCANMODE_ACTIVE; 6275 clear_bit (FLAG_802_11, &local->flags); 6276 break; 6277 case IW_MODE_MASTER: 6278 local->config.opmode &= ~MODE_CFG_MASK; 6279 local->config.opmode |= MODE_AP; 6280 local->config.rmode &= ~RXMODE_FULL_MASK; 6281 local->config.scanMode = SCANMODE_ACTIVE; 6282 clear_bit (FLAG_802_11, &local->flags); 6283 break; 6284 case IW_MODE_REPEAT: 6285 local->config.opmode &= ~MODE_CFG_MASK; 6286 local->config.opmode |= MODE_AP_RPTR; 6287 local->config.rmode &= ~RXMODE_FULL_MASK; 6288 local->config.scanMode = SCANMODE_ACTIVE; 6289 clear_bit (FLAG_802_11, &local->flags); 6290 break; 6291 case IW_MODE_MONITOR: 6292 local->config.opmode &= ~MODE_CFG_MASK; 6293 local->config.opmode |= MODE_STA_ESS; 6294 local->config.rmode &= ~RXMODE_FULL_MASK; 6295 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 6296 local->config.scanMode = SCANMODE_PASSIVE; 6297 set_bit (FLAG_802_11, &local->flags); 6298 break; 6299 default: 6300 return -EINVAL; 6301 } 6302 if (reset) 6303 set_bit (FLAG_RESET, &local->flags); 6304 set_bit (FLAG_COMMIT, &local->flags); 6305 6306 return -EINPROGRESS; /* Call commit handler */ 6307} 6308 6309/*------------------------------------------------------------------*/ 6310/* 6311 * Wireless Handler : get Mode of Operation 6312 */ 6313static int airo_get_mode(struct net_device *dev, 6314 struct iw_request_info *info, 6315 __u32 *uwrq, 6316 char *extra) 6317{ 6318 struct airo_info *local = dev->ml_priv; 6319 6320 readConfigRid(local, 1); 6321 /* If not managed, assume it's ad-hoc */ 6322 switch (local->config.opmode & MODE_CFG_MASK) { 6323 case MODE_STA_ESS: 6324 *uwrq = IW_MODE_INFRA; 6325 break; 6326 case MODE_AP: 6327 *uwrq = IW_MODE_MASTER; 6328 break; 6329 case MODE_AP_RPTR: 6330 *uwrq = IW_MODE_REPEAT; 6331 break; 6332 default: 6333 *uwrq = IW_MODE_ADHOC; 6334 } 6335 6336 return 0; 6337} 6338 6339static inline int valid_index(struct airo_info *ai, int index) 6340{ 6341 return (index >= 0) && (index <= ai->max_wep_idx); 6342} 6343 6344/*------------------------------------------------------------------*/ 6345/* 6346 * Wireless Handler : set Encryption Key 6347 */ 6348static int airo_set_encode(struct net_device *dev, 6349 struct iw_request_info *info, 6350 struct iw_point *dwrq, 6351 char *extra) 6352{ 6353 struct airo_info *local = dev->ml_priv; 6354 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); 6355 __le16 currentAuthType = local->config.authType; 6356 int rc = 0; 6357 6358 if (!local->wep_capable) 6359 return -EOPNOTSUPP; 6360 6361 readConfigRid(local, 1); 6362 6363 /* Basic checking: do we have a key to set ? 6364 * Note : with the new API, it's impossible to get a NULL pointer. 6365 * Therefore, we need to check a key size == 0 instead. 6366 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag 6367 * when no key is present (only change flags), but older versions 6368 * don't do it. - Jean II */ 6369 if (dwrq->length > 0) { 6370 wep_key_t key; 6371 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6372 int current_index; 6373 6374 /* Check the size of the key */ 6375 if (dwrq->length > MAX_KEY_SIZE) { 6376 return -EINVAL; 6377 } 6378 6379 current_index = get_wep_tx_idx(local); 6380 if (current_index < 0) 6381 current_index = 0; 6382 6383 /* Check the index (none -> use current) */ 6384 if (!valid_index(local, index)) 6385 index = current_index; 6386 6387 /* Set the length */ 6388 if (dwrq->length > MIN_KEY_SIZE) 6389 key.len = MAX_KEY_SIZE; 6390 else 6391 key.len = MIN_KEY_SIZE; 6392 /* Check if the key is not marked as invalid */ 6393 if(!(dwrq->flags & IW_ENCODE_NOKEY)) { 6394 /* Cleanup */ 6395 memset(key.key, 0, MAX_KEY_SIZE); 6396 /* Copy the key in the driver */ 6397 memcpy(key.key, extra, dwrq->length); 6398 /* Send the key to the card */ 6399 rc = set_wep_key(local, index, key.key, key.len, perm, 1); 6400 if (rc < 0) { 6401 airo_print_err(local->dev->name, "failed to set" 6402 " WEP key at index %d: %d.", 6403 index, rc); 6404 return rc; 6405 } 6406 } 6407 /* WE specify that if a valid key is set, encryption 6408 * should be enabled (user may turn it off later) 6409 * This is also how "iwconfig ethX key on" works */ 6410 if((index == current_index) && (key.len > 0) && 6411 (local->config.authType == AUTH_OPEN)) { 6412 local->config.authType = AUTH_ENCRYPT; 6413 } 6414 } else { 6415 /* Do we want to just set the transmit key index ? */ 6416 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6417 if (valid_index(local, index)) { 6418 rc = set_wep_tx_idx(local, index, perm, 1); 6419 if (rc < 0) { 6420 airo_print_err(local->dev->name, "failed to set" 6421 " WEP transmit index to %d: %d.", 6422 index, rc); 6423 return rc; 6424 } 6425 } else { 6426 /* Don't complain if only change the mode */ 6427 if (!(dwrq->flags & IW_ENCODE_MODE)) 6428 return -EINVAL; 6429 } 6430 } 6431 /* Read the flags */ 6432 if(dwrq->flags & IW_ENCODE_DISABLED) 6433 local->config.authType = AUTH_OPEN; // disable encryption 6434 if(dwrq->flags & IW_ENCODE_RESTRICTED) 6435 local->config.authType = AUTH_SHAREDKEY; // Only Both 6436 if(dwrq->flags & IW_ENCODE_OPEN) 6437 local->config.authType = AUTH_ENCRYPT; // Only Wep 6438 /* Commit the changes to flags if needed */ 6439 if (local->config.authType != currentAuthType) 6440 set_bit (FLAG_COMMIT, &local->flags); 6441 return -EINPROGRESS; /* Call commit handler */ 6442} 6443 6444/*------------------------------------------------------------------*/ 6445/* 6446 * Wireless Handler : get Encryption Key 6447 */ 6448static int airo_get_encode(struct net_device *dev, 6449 struct iw_request_info *info, 6450 struct iw_point *dwrq, 6451 char *extra) 6452{ 6453 struct airo_info *local = dev->ml_priv; 6454 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6455 int wep_key_len; 6456 u8 buf[16]; 6457 6458 if (!local->wep_capable) 6459 return -EOPNOTSUPP; 6460 6461 readConfigRid(local, 1); 6462 6463 /* Check encryption mode */ 6464 switch(local->config.authType) { 6465 case AUTH_ENCRYPT: 6466 dwrq->flags = IW_ENCODE_OPEN; 6467 break; 6468 case AUTH_SHAREDKEY: 6469 dwrq->flags = IW_ENCODE_RESTRICTED; 6470 break; 6471 default: 6472 case AUTH_OPEN: 6473 dwrq->flags = IW_ENCODE_DISABLED; 6474 break; 6475 } 6476 /* We can't return the key, so set the proper flag and return zero */ 6477 dwrq->flags |= IW_ENCODE_NOKEY; 6478 memset(extra, 0, 16); 6479 6480 /* Which key do we want ? -1 -> tx index */ 6481 if (!valid_index(local, index)) { 6482 index = get_wep_tx_idx(local); 6483 if (index < 0) 6484 index = 0; 6485 } 6486 dwrq->flags |= index + 1; 6487 6488 /* Copy the key to the user buffer */ 6489 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf)); 6490 if (wep_key_len < 0) { 6491 dwrq->length = 0; 6492 } else { 6493 dwrq->length = wep_key_len; 6494 memcpy(extra, buf, dwrq->length); 6495 } 6496 6497 return 0; 6498} 6499 6500/*------------------------------------------------------------------*/ 6501/* 6502 * Wireless Handler : set extended Encryption parameters 6503 */ 6504static int airo_set_encodeext(struct net_device *dev, 6505 struct iw_request_info *info, 6506 union iwreq_data *wrqu, 6507 char *extra) 6508{ 6509 struct airo_info *local = dev->ml_priv; 6510 struct iw_point *encoding = &wrqu->encoding; 6511 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6512 int perm = ( encoding->flags & IW_ENCODE_TEMP ? 0 : 1 ); 6513 __le16 currentAuthType = local->config.authType; 6514 int idx, key_len, alg = ext->alg, set_key = 1, rc; 6515 wep_key_t key; 6516 6517 if (!local->wep_capable) 6518 return -EOPNOTSUPP; 6519 6520 readConfigRid(local, 1); 6521 6522 /* Determine and validate the key index */ 6523 idx = encoding->flags & IW_ENCODE_INDEX; 6524 if (idx) { 6525 if (!valid_index(local, idx - 1)) 6526 return -EINVAL; 6527 idx--; 6528 } else { 6529 idx = get_wep_tx_idx(local); 6530 if (idx < 0) 6531 idx = 0; 6532 } 6533 6534 if (encoding->flags & IW_ENCODE_DISABLED) 6535 alg = IW_ENCODE_ALG_NONE; 6536 6537 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 6538 /* Only set transmit key index here, actual 6539 * key is set below if needed. 6540 */ 6541 rc = set_wep_tx_idx(local, idx, perm, 1); 6542 if (rc < 0) { 6543 airo_print_err(local->dev->name, "failed to set " 6544 "WEP transmit index to %d: %d.", 6545 idx, rc); 6546 return rc; 6547 } 6548 set_key = ext->key_len > 0 ? 1 : 0; 6549 } 6550 6551 if (set_key) { 6552 /* Set the requested key first */ 6553 memset(key.key, 0, MAX_KEY_SIZE); 6554 switch (alg) { 6555 case IW_ENCODE_ALG_NONE: 6556 key.len = 0; 6557 break; 6558 case IW_ENCODE_ALG_WEP: 6559 if (ext->key_len > MIN_KEY_SIZE) { 6560 key.len = MAX_KEY_SIZE; 6561 } else if (ext->key_len > 0) { 6562 key.len = MIN_KEY_SIZE; 6563 } else { 6564 return -EINVAL; 6565 } 6566 key_len = min (ext->key_len, key.len); 6567 memcpy(key.key, ext->key, key_len); 6568 break; 6569 default: 6570 return -EINVAL; 6571 } 6572 if (key.len == 0) { 6573 rc = set_wep_tx_idx(local, idx, perm, 1); 6574 if (rc < 0) { 6575 airo_print_err(local->dev->name, 6576 "failed to set WEP transmit index to %d: %d.", 6577 idx, rc); 6578 return rc; 6579 } 6580 } else { 6581 rc = set_wep_key(local, idx, key.key, key.len, perm, 1); 6582 if (rc < 0) { 6583 airo_print_err(local->dev->name, 6584 "failed to set WEP key at index %d: %d.", 6585 idx, rc); 6586 return rc; 6587 } 6588 } 6589 } 6590 6591 /* Read the flags */ 6592 if(encoding->flags & IW_ENCODE_DISABLED) 6593 local->config.authType = AUTH_OPEN; // disable encryption 6594 if(encoding->flags & IW_ENCODE_RESTRICTED) 6595 local->config.authType = AUTH_SHAREDKEY; // Only Both 6596 if(encoding->flags & IW_ENCODE_OPEN) 6597 local->config.authType = AUTH_ENCRYPT; // Only Wep 6598 /* Commit the changes to flags if needed */ 6599 if (local->config.authType != currentAuthType) 6600 set_bit (FLAG_COMMIT, &local->flags); 6601 6602 return -EINPROGRESS; 6603} 6604 6605 6606/*------------------------------------------------------------------*/ 6607/* 6608 * Wireless Handler : get extended Encryption parameters 6609 */ 6610static int airo_get_encodeext(struct net_device *dev, 6611 struct iw_request_info *info, 6612 union iwreq_data *wrqu, 6613 char *extra) 6614{ 6615 struct airo_info *local = dev->ml_priv; 6616 struct iw_point *encoding = &wrqu->encoding; 6617 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6618 int idx, max_key_len, wep_key_len; 6619 u8 buf[16]; 6620 6621 if (!local->wep_capable) 6622 return -EOPNOTSUPP; 6623 6624 readConfigRid(local, 1); 6625 6626 max_key_len = encoding->length - sizeof(*ext); 6627 if (max_key_len < 0) 6628 return -EINVAL; 6629 6630 idx = encoding->flags & IW_ENCODE_INDEX; 6631 if (idx) { 6632 if (!valid_index(local, idx - 1)) 6633 return -EINVAL; 6634 idx--; 6635 } else { 6636 idx = get_wep_tx_idx(local); 6637 if (idx < 0) 6638 idx = 0; 6639 } 6640 6641 encoding->flags = idx + 1; 6642 memset(ext, 0, sizeof(*ext)); 6643 6644 /* Check encryption mode */ 6645 switch(local->config.authType) { 6646 case AUTH_ENCRYPT: 6647 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6648 break; 6649 case AUTH_SHAREDKEY: 6650 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6651 break; 6652 default: 6653 case AUTH_OPEN: 6654 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED; 6655 break; 6656 } 6657 /* We can't return the key, so set the proper flag and return zero */ 6658 encoding->flags |= IW_ENCODE_NOKEY; 6659 memset(extra, 0, 16); 6660 6661 /* Copy the key to the user buffer */ 6662 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); 6663 if (wep_key_len < 0) { 6664 ext->key_len = 0; 6665 } else { 6666 ext->key_len = wep_key_len; 6667 memcpy(extra, buf, ext->key_len); 6668 } 6669 6670 return 0; 6671} 6672 6673 6674/*------------------------------------------------------------------*/ 6675/* 6676 * Wireless Handler : set extended authentication parameters 6677 */ 6678static int airo_set_auth(struct net_device *dev, 6679 struct iw_request_info *info, 6680 union iwreq_data *wrqu, char *extra) 6681{ 6682 struct airo_info *local = dev->ml_priv; 6683 struct iw_param *param = &wrqu->param; 6684 __le16 currentAuthType = local->config.authType; 6685 6686 switch (param->flags & IW_AUTH_INDEX) { 6687 case IW_AUTH_WPA_VERSION: 6688 case IW_AUTH_CIPHER_PAIRWISE: 6689 case IW_AUTH_CIPHER_GROUP: 6690 case IW_AUTH_KEY_MGMT: 6691 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 6692 case IW_AUTH_PRIVACY_INVOKED: 6693 /* 6694 * airo does not use these parameters 6695 */ 6696 break; 6697 6698 case IW_AUTH_DROP_UNENCRYPTED: 6699 if (param->value) { 6700 /* Only change auth type if unencrypted */ 6701 if (currentAuthType == AUTH_OPEN) 6702 local->config.authType = AUTH_ENCRYPT; 6703 } else { 6704 local->config.authType = AUTH_OPEN; 6705 } 6706 6707 /* Commit the changes to flags if needed */ 6708 if (local->config.authType != currentAuthType) 6709 set_bit (FLAG_COMMIT, &local->flags); 6710 break; 6711 6712 case IW_AUTH_80211_AUTH_ALG: { 6713 /* FIXME: What about AUTH_OPEN? This API seems to 6714 * disallow setting our auth to AUTH_OPEN. 6715 */ 6716 if (param->value & IW_AUTH_ALG_SHARED_KEY) { 6717 local->config.authType = AUTH_SHAREDKEY; 6718 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { 6719 local->config.authType = AUTH_ENCRYPT; 6720 } else 6721 return -EINVAL; 6722 6723 /* Commit the changes to flags if needed */ 6724 if (local->config.authType != currentAuthType) 6725 set_bit (FLAG_COMMIT, &local->flags); 6726 break; 6727 } 6728 6729 case IW_AUTH_WPA_ENABLED: 6730 /* Silently accept disable of WPA */ 6731 if (param->value > 0) 6732 return -EOPNOTSUPP; 6733 break; 6734 6735 default: 6736 return -EOPNOTSUPP; 6737 } 6738 return -EINPROGRESS; 6739} 6740 6741 6742/*------------------------------------------------------------------*/ 6743/* 6744 * Wireless Handler : get extended authentication parameters 6745 */ 6746static int airo_get_auth(struct net_device *dev, 6747 struct iw_request_info *info, 6748 union iwreq_data *wrqu, char *extra) 6749{ 6750 struct airo_info *local = dev->ml_priv; 6751 struct iw_param *param = &wrqu->param; 6752 __le16 currentAuthType = local->config.authType; 6753 6754 switch (param->flags & IW_AUTH_INDEX) { 6755 case IW_AUTH_DROP_UNENCRYPTED: 6756 switch (currentAuthType) { 6757 case AUTH_SHAREDKEY: 6758 case AUTH_ENCRYPT: 6759 param->value = 1; 6760 break; 6761 default: 6762 param->value = 0; 6763 break; 6764 } 6765 break; 6766 6767 case IW_AUTH_80211_AUTH_ALG: 6768 switch (currentAuthType) { 6769 case AUTH_SHAREDKEY: 6770 param->value = IW_AUTH_ALG_SHARED_KEY; 6771 break; 6772 case AUTH_ENCRYPT: 6773 default: 6774 param->value = IW_AUTH_ALG_OPEN_SYSTEM; 6775 break; 6776 } 6777 break; 6778 6779 case IW_AUTH_WPA_ENABLED: 6780 param->value = 0; 6781 break; 6782 6783 default: 6784 return -EOPNOTSUPP; 6785 } 6786 return 0; 6787} 6788 6789 6790/*------------------------------------------------------------------*/ 6791/* 6792 * Wireless Handler : set Tx-Power 6793 */ 6794static int airo_set_txpow(struct net_device *dev, 6795 struct iw_request_info *info, 6796 struct iw_param *vwrq, 6797 char *extra) 6798{ 6799 struct airo_info *local = dev->ml_priv; 6800 CapabilityRid cap_rid; /* Card capability info */ 6801 int i; 6802 int rc = -EINVAL; 6803 __le16 v = cpu_to_le16(vwrq->value); 6804 6805 readCapabilityRid(local, &cap_rid, 1); 6806 6807 if (vwrq->disabled) { 6808 set_bit (FLAG_RADIO_OFF, &local->flags); 6809 set_bit (FLAG_COMMIT, &local->flags); 6810 return -EINPROGRESS; /* Call commit handler */ 6811 } 6812 if (vwrq->flags != IW_TXPOW_MWATT) { 6813 return -EINVAL; 6814 } 6815 clear_bit (FLAG_RADIO_OFF, &local->flags); 6816 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++) 6817 if (v == cap_rid.txPowerLevels[i]) { 6818 readConfigRid(local, 1); 6819 local->config.txPower = v; 6820 set_bit (FLAG_COMMIT, &local->flags); 6821 rc = -EINPROGRESS; /* Call commit handler */ 6822 break; 6823 } 6824 return rc; 6825} 6826 6827/*------------------------------------------------------------------*/ 6828/* 6829 * Wireless Handler : get Tx-Power 6830 */ 6831static int airo_get_txpow(struct net_device *dev, 6832 struct iw_request_info *info, 6833 struct iw_param *vwrq, 6834 char *extra) 6835{ 6836 struct airo_info *local = dev->ml_priv; 6837 6838 readConfigRid(local, 1); 6839 vwrq->value = le16_to_cpu(local->config.txPower); 6840 vwrq->fixed = 1; /* No power control */ 6841 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags); 6842 vwrq->flags = IW_TXPOW_MWATT; 6843 6844 return 0; 6845} 6846 6847/*------------------------------------------------------------------*/ 6848/* 6849 * Wireless Handler : set Retry limits 6850 */ 6851static int airo_set_retry(struct net_device *dev, 6852 struct iw_request_info *info, 6853 struct iw_param *vwrq, 6854 char *extra) 6855{ 6856 struct airo_info *local = dev->ml_priv; 6857 int rc = -EINVAL; 6858 6859 if(vwrq->disabled) { 6860 return -EINVAL; 6861 } 6862 readConfigRid(local, 1); 6863 if(vwrq->flags & IW_RETRY_LIMIT) { 6864 __le16 v = cpu_to_le16(vwrq->value); 6865 if(vwrq->flags & IW_RETRY_LONG) 6866 local->config.longRetryLimit = v; 6867 else if (vwrq->flags & IW_RETRY_SHORT) 6868 local->config.shortRetryLimit = v; 6869 else { 6870 /* No modifier : set both */ 6871 local->config.longRetryLimit = v; 6872 local->config.shortRetryLimit = v; 6873 } 6874 set_bit (FLAG_COMMIT, &local->flags); 6875 rc = -EINPROGRESS; /* Call commit handler */ 6876 } 6877 if(vwrq->flags & IW_RETRY_LIFETIME) { 6878 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024); 6879 set_bit (FLAG_COMMIT, &local->flags); 6880 rc = -EINPROGRESS; /* Call commit handler */ 6881 } 6882 return rc; 6883} 6884 6885/*------------------------------------------------------------------*/ 6886/* 6887 * Wireless Handler : get Retry limits 6888 */ 6889static int airo_get_retry(struct net_device *dev, 6890 struct iw_request_info *info, 6891 struct iw_param *vwrq, 6892 char *extra) 6893{ 6894 struct airo_info *local = dev->ml_priv; 6895 6896 vwrq->disabled = 0; /* Can't be disabled */ 6897 6898 readConfigRid(local, 1); 6899 /* Note : by default, display the min retry number */ 6900 if((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { 6901 vwrq->flags = IW_RETRY_LIFETIME; 6902 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024; 6903 } else if((vwrq->flags & IW_RETRY_LONG)) { 6904 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 6905 vwrq->value = le16_to_cpu(local->config.longRetryLimit); 6906 } else { 6907 vwrq->flags = IW_RETRY_LIMIT; 6908 vwrq->value = le16_to_cpu(local->config.shortRetryLimit); 6909 if(local->config.shortRetryLimit != local->config.longRetryLimit) 6910 vwrq->flags |= IW_RETRY_SHORT; 6911 } 6912 6913 return 0; 6914} 6915 6916/*------------------------------------------------------------------*/ 6917/* 6918 * Wireless Handler : get range info 6919 */ 6920static int airo_get_range(struct net_device *dev, 6921 struct iw_request_info *info, 6922 struct iw_point *dwrq, 6923 char *extra) 6924{ 6925 struct airo_info *local = dev->ml_priv; 6926 struct iw_range *range = (struct iw_range *) extra; 6927 CapabilityRid cap_rid; /* Card capability info */ 6928 int i; 6929 int k; 6930 6931 readCapabilityRid(local, &cap_rid, 1); 6932 6933 dwrq->length = sizeof(struct iw_range); 6934 memset(range, 0, sizeof(*range)); 6935 range->min_nwid = 0x0000; 6936 range->max_nwid = 0x0000; 6937 range->num_channels = 14; 6938 /* Should be based on cap_rid.country to give only 6939 * what the current card support */ 6940 k = 0; 6941 for(i = 0; i < 14; i++) { 6942 range->freq[k].i = i + 1; /* List index */ 6943 range->freq[k].m = ieee80211_dsss_chan_to_freq(i + 1) * 100000; 6944 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */ 6945 } 6946 range->num_frequency = k; 6947 6948 range->sensitivity = 65535; 6949 6950 /* Hum... Should put the right values there */ 6951 if (local->rssi) 6952 range->max_qual.qual = 100; /* % */ 6953 else 6954 range->max_qual.qual = airo_get_max_quality(&cap_rid); 6955 range->max_qual.level = 0x100 - 120; /* -120 dBm */ 6956 range->max_qual.noise = 0x100 - 120; /* -120 dBm */ 6957 6958 /* Experimental measurements - boundary 11/5.5 Mb/s */ 6959 /* Note : with or without the (local->rssi), results 6960 * are somewhat different. - Jean II */ 6961 if (local->rssi) { 6962 range->avg_qual.qual = 50; /* % */ 6963 range->avg_qual.level = 0x100 - 70; /* -70 dBm */ 6964 } else { 6965 range->avg_qual.qual = airo_get_avg_quality(&cap_rid); 6966 range->avg_qual.level = 0x100 - 80; /* -80 dBm */ 6967 } 6968 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */ 6969 6970 for(i = 0 ; i < 8 ; i++) { 6971 range->bitrate[i] = cap_rid.supportedRates[i] * 500000; 6972 if(range->bitrate[i] == 0) 6973 break; 6974 } 6975 range->num_bitrates = i; 6976 6977 /* Set an indication of the max TCP throughput 6978 * in bit/s that we can expect using this interface. 6979 * May be use for QoS stuff... Jean II */ 6980 if(i > 2) 6981 range->throughput = 5000 * 1000; 6982 else 6983 range->throughput = 1500 * 1000; 6984 6985 range->min_rts = 0; 6986 range->max_rts = AIRO_DEF_MTU; 6987 range->min_frag = 256; 6988 range->max_frag = AIRO_DEF_MTU; 6989 6990 if(cap_rid.softCap & cpu_to_le16(2)) { 6991 // WEP: RC4 40 bits 6992 range->encoding_size[0] = 5; 6993 // RC4 ~128 bits 6994 if (cap_rid.softCap & cpu_to_le16(0x100)) { 6995 range->encoding_size[1] = 13; 6996 range->num_encoding_sizes = 2; 6997 } else 6998 range->num_encoding_sizes = 1; 6999 range->max_encoding_tokens = 7000 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1; 7001 } else { 7002 range->num_encoding_sizes = 0; 7003 range->max_encoding_tokens = 0; 7004 } 7005 range->min_pmp = 0; 7006 range->max_pmp = 5000000; /* 5 secs */ 7007 range->min_pmt = 0; 7008 range->max_pmt = 65535 * 1024; /* ??? */ 7009 range->pmp_flags = IW_POWER_PERIOD; 7010 range->pmt_flags = IW_POWER_TIMEOUT; 7011 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; 7012 7013 /* Transmit Power - values are in mW */ 7014 for(i = 0 ; i < 8 ; i++) { 7015 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]); 7016 if(range->txpower[i] == 0) 7017 break; 7018 } 7019 range->num_txpower = i; 7020 range->txpower_capa = IW_TXPOW_MWATT; 7021 range->we_version_source = 19; 7022 range->we_version_compiled = WIRELESS_EXT; 7023 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; 7024 range->retry_flags = IW_RETRY_LIMIT; 7025 range->r_time_flags = IW_RETRY_LIFETIME; 7026 range->min_retry = 1; 7027 range->max_retry = 65535; 7028 range->min_r_time = 1024; 7029 range->max_r_time = 65535 * 1024; 7030 7031 /* Event capability (kernel + driver) */ 7032 range->event_capa[0] = (IW_EVENT_CAPA_K_0 | 7033 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | 7034 IW_EVENT_CAPA_MASK(SIOCGIWAP) | 7035 IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); 7036 range->event_capa[1] = IW_EVENT_CAPA_K_1; 7037 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP); 7038 return 0; 7039} 7040 7041/*------------------------------------------------------------------*/ 7042/* 7043 * Wireless Handler : set Power Management 7044 */ 7045static int airo_set_power(struct net_device *dev, 7046 struct iw_request_info *info, 7047 struct iw_param *vwrq, 7048 char *extra) 7049{ 7050 struct airo_info *local = dev->ml_priv; 7051 7052 readConfigRid(local, 1); 7053 if (vwrq->disabled) { 7054 if (sniffing_mode(local)) 7055 return -EINVAL; 7056 local->config.powerSaveMode = POWERSAVE_CAM; 7057 local->config.rmode &= ~RXMODE_MASK; 7058 local->config.rmode |= RXMODE_BC_MC_ADDR; 7059 set_bit (FLAG_COMMIT, &local->flags); 7060 return -EINPROGRESS; /* Call commit handler */ 7061 } 7062 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7063 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024); 7064 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7065 set_bit (FLAG_COMMIT, &local->flags); 7066 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { 7067 local->config.fastListenInterval = 7068 local->config.listenInterval = 7069 cpu_to_le16((vwrq->value + 500) / 1024); 7070 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7071 set_bit (FLAG_COMMIT, &local->flags); 7072 } 7073 switch (vwrq->flags & IW_POWER_MODE) { 7074 case IW_POWER_UNICAST_R: 7075 if (sniffing_mode(local)) 7076 return -EINVAL; 7077 local->config.rmode &= ~RXMODE_MASK; 7078 local->config.rmode |= RXMODE_ADDR; 7079 set_bit (FLAG_COMMIT, &local->flags); 7080 break; 7081 case IW_POWER_ALL_R: 7082 if (sniffing_mode(local)) 7083 return -EINVAL; 7084 local->config.rmode &= ~RXMODE_MASK; 7085 local->config.rmode |= RXMODE_BC_MC_ADDR; 7086 set_bit (FLAG_COMMIT, &local->flags); 7087 case IW_POWER_ON: 7088 /* This is broken, fixme ;-) */ 7089 break; 7090 default: 7091 return -EINVAL; 7092 } 7093 // Note : we may want to factor local->need_commit here 7094 // Note2 : may also want to factor RXMODE_RFMON test 7095 return -EINPROGRESS; /* Call commit handler */ 7096} 7097 7098/*------------------------------------------------------------------*/ 7099/* 7100 * Wireless Handler : get Power Management 7101 */ 7102static int airo_get_power(struct net_device *dev, 7103 struct iw_request_info *info, 7104 struct iw_param *vwrq, 7105 char *extra) 7106{ 7107 struct airo_info *local = dev->ml_priv; 7108 __le16 mode; 7109 7110 readConfigRid(local, 1); 7111 mode = local->config.powerSaveMode; 7112 if ((vwrq->disabled = (mode == POWERSAVE_CAM))) 7113 return 0; 7114 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7115 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024; 7116 vwrq->flags = IW_POWER_TIMEOUT; 7117 } else { 7118 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024; 7119 vwrq->flags = IW_POWER_PERIOD; 7120 } 7121 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR) 7122 vwrq->flags |= IW_POWER_UNICAST_R; 7123 else 7124 vwrq->flags |= IW_POWER_ALL_R; 7125 7126 return 0; 7127} 7128 7129/*------------------------------------------------------------------*/ 7130/* 7131 * Wireless Handler : set Sensitivity 7132 */ 7133static int airo_set_sens(struct net_device *dev, 7134 struct iw_request_info *info, 7135 struct iw_param *vwrq, 7136 char *extra) 7137{ 7138 struct airo_info *local = dev->ml_priv; 7139 7140 readConfigRid(local, 1); 7141 local->config.rssiThreshold = 7142 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value); 7143 set_bit (FLAG_COMMIT, &local->flags); 7144 7145 return -EINPROGRESS; /* Call commit handler */ 7146} 7147 7148/*------------------------------------------------------------------*/ 7149/* 7150 * Wireless Handler : get Sensitivity 7151 */ 7152static int airo_get_sens(struct net_device *dev, 7153 struct iw_request_info *info, 7154 struct iw_param *vwrq, 7155 char *extra) 7156{ 7157 struct airo_info *local = dev->ml_priv; 7158 7159 readConfigRid(local, 1); 7160 vwrq->value = le16_to_cpu(local->config.rssiThreshold); 7161 vwrq->disabled = (vwrq->value == 0); 7162 vwrq->fixed = 1; 7163 7164 return 0; 7165} 7166 7167/*------------------------------------------------------------------*/ 7168/* 7169 * Wireless Handler : get AP List 7170 * Note : this is deprecated in favor of IWSCAN 7171 */ 7172static int airo_get_aplist(struct net_device *dev, 7173 struct iw_request_info *info, 7174 struct iw_point *dwrq, 7175 char *extra) 7176{ 7177 struct airo_info *local = dev->ml_priv; 7178 struct sockaddr *address = (struct sockaddr *) extra; 7179 struct iw_quality *qual; 7180 BSSListRid BSSList; 7181 int i; 7182 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; 7183 7184 qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL); 7185 if (!qual) 7186 return -ENOMEM; 7187 7188 for (i = 0; i < IW_MAX_AP; i++) { 7189 u16 dBm; 7190 if (readBSSListRid(local, loseSync, &BSSList)) 7191 break; 7192 loseSync = 0; 7193 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN); 7194 address[i].sa_family = ARPHRD_ETHER; 7195 dBm = le16_to_cpu(BSSList.dBm); 7196 if (local->rssi) { 7197 qual[i].level = 0x100 - dBm; 7198 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm); 7199 qual[i].updated = IW_QUAL_QUAL_UPDATED 7200 | IW_QUAL_LEVEL_UPDATED 7201 | IW_QUAL_DBM; 7202 } else { 7203 qual[i].level = (dBm + 321) / 2; 7204 qual[i].qual = 0; 7205 qual[i].updated = IW_QUAL_QUAL_INVALID 7206 | IW_QUAL_LEVEL_UPDATED 7207 | IW_QUAL_DBM; 7208 } 7209 qual[i].noise = local->wstats.qual.noise; 7210 if (BSSList.index == cpu_to_le16(0xffff)) 7211 break; 7212 } 7213 if (!i) { 7214 StatusRid status_rid; /* Card status info */ 7215 readStatusRid(local, &status_rid, 1); 7216 for (i = 0; 7217 i < min(IW_MAX_AP, 4) && 7218 (status_rid.bssid[i][0] 7219 & status_rid.bssid[i][1] 7220 & status_rid.bssid[i][2] 7221 & status_rid.bssid[i][3] 7222 & status_rid.bssid[i][4] 7223 & status_rid.bssid[i][5])!=0xff && 7224 (status_rid.bssid[i][0] 7225 | status_rid.bssid[i][1] 7226 | status_rid.bssid[i][2] 7227 | status_rid.bssid[i][3] 7228 | status_rid.bssid[i][4] 7229 | status_rid.bssid[i][5]); 7230 i++) { 7231 memcpy(address[i].sa_data, 7232 status_rid.bssid[i], ETH_ALEN); 7233 address[i].sa_family = ARPHRD_ETHER; 7234 } 7235 } else { 7236 dwrq->flags = 1; /* Should be define'd */ 7237 memcpy(extra + sizeof(struct sockaddr)*i, 7238 &qual, sizeof(struct iw_quality)*i); 7239 } 7240 dwrq->length = i; 7241 7242 kfree(qual); 7243 return 0; 7244} 7245 7246/*------------------------------------------------------------------*/ 7247/* 7248 * Wireless Handler : Initiate Scan 7249 */ 7250static int airo_set_scan(struct net_device *dev, 7251 struct iw_request_info *info, 7252 struct iw_point *dwrq, 7253 char *extra) 7254{ 7255 struct airo_info *ai = dev->ml_priv; 7256 Cmd cmd; 7257 Resp rsp; 7258 int wake = 0; 7259 7260 /* Note : you may have realised that, as this is a SET operation, 7261 * this is privileged and therefore a normal user can't 7262 * perform scanning. 7263 * This is not an error, while the device perform scanning, 7264 * traffic doesn't flow, so it's a perfect DoS... 7265 * Jean II */ 7266 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 7267 7268 if (down_interruptible(&ai->sem)) 7269 return -ERESTARTSYS; 7270 7271 /* If there's already a scan in progress, don't 7272 * trigger another one. */ 7273 if (ai->scan_timeout > 0) 7274 goto out; 7275 7276 /* Initiate a scan command */ 7277 ai->scan_timeout = RUN_AT(3*HZ); 7278 memset(&cmd, 0, sizeof(cmd)); 7279 cmd.cmd=CMD_LISTBSS; 7280 issuecommand(ai, &cmd, &rsp); 7281 wake = 1; 7282 7283out: 7284 up(&ai->sem); 7285 if (wake) 7286 wake_up_interruptible(&ai->thr_wait); 7287 return 0; 7288} 7289 7290/*------------------------------------------------------------------*/ 7291/* 7292 * Translate scan data returned from the card to a card independent 7293 * format that the Wireless Tools will understand - Jean II 7294 */ 7295static inline char *airo_translate_scan(struct net_device *dev, 7296 struct iw_request_info *info, 7297 char *current_ev, 7298 char *end_buf, 7299 BSSListRid *bss) 7300{ 7301 struct airo_info *ai = dev->ml_priv; 7302 struct iw_event iwe; /* Temporary buffer */ 7303 __le16 capabilities; 7304 char * current_val; /* For rates */ 7305 int i; 7306 char * buf; 7307 u16 dBm; 7308 7309 /* First entry *MUST* be the AP MAC address */ 7310 iwe.cmd = SIOCGIWAP; 7311 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 7312 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN); 7313 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7314 &iwe, IW_EV_ADDR_LEN); 7315 7316 /* Other entries will be displayed in the order we give them */ 7317 7318 /* Add the ESSID */ 7319 iwe.u.data.length = bss->ssidLen; 7320 if(iwe.u.data.length > 32) 7321 iwe.u.data.length = 32; 7322 iwe.cmd = SIOCGIWESSID; 7323 iwe.u.data.flags = 1; 7324 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7325 &iwe, bss->ssid); 7326 7327 /* Add mode */ 7328 iwe.cmd = SIOCGIWMODE; 7329 capabilities = bss->cap; 7330 if(capabilities & (CAP_ESS | CAP_IBSS)) { 7331 if(capabilities & CAP_ESS) 7332 iwe.u.mode = IW_MODE_MASTER; 7333 else 7334 iwe.u.mode = IW_MODE_ADHOC; 7335 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7336 &iwe, IW_EV_UINT_LEN); 7337 } 7338 7339 /* Add frequency */ 7340 iwe.cmd = SIOCGIWFREQ; 7341 iwe.u.freq.m = le16_to_cpu(bss->dsChannel); 7342 iwe.u.freq.m = ieee80211_dsss_chan_to_freq(iwe.u.freq.m) * 100000; 7343 iwe.u.freq.e = 1; 7344 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7345 &iwe, IW_EV_FREQ_LEN); 7346 7347 dBm = le16_to_cpu(bss->dBm); 7348 7349 /* Add quality statistics */ 7350 iwe.cmd = IWEVQUAL; 7351 if (ai->rssi) { 7352 iwe.u.qual.level = 0x100 - dBm; 7353 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm); 7354 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED 7355 | IW_QUAL_LEVEL_UPDATED 7356 | IW_QUAL_DBM; 7357 } else { 7358 iwe.u.qual.level = (dBm + 321) / 2; 7359 iwe.u.qual.qual = 0; 7360 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID 7361 | IW_QUAL_LEVEL_UPDATED 7362 | IW_QUAL_DBM; 7363 } 7364 iwe.u.qual.noise = ai->wstats.qual.noise; 7365 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7366 &iwe, IW_EV_QUAL_LEN); 7367 7368 /* Add encryption capability */ 7369 iwe.cmd = SIOCGIWENCODE; 7370 if(capabilities & CAP_PRIVACY) 7371 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 7372 else 7373 iwe.u.data.flags = IW_ENCODE_DISABLED; 7374 iwe.u.data.length = 0; 7375 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7376 &iwe, bss->ssid); 7377 7378 /* Rate : stuffing multiple values in a single event require a bit 7379 * more of magic - Jean II */ 7380 current_val = current_ev + iwe_stream_lcp_len(info); 7381 7382 iwe.cmd = SIOCGIWRATE; 7383 /* Those two flags are ignored... */ 7384 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 7385 /* Max 8 values */ 7386 for(i = 0 ; i < 8 ; i++) { 7387 /* NULL terminated */ 7388 if(bss->rates[i] == 0) 7389 break; 7390 /* Bit rate given in 500 kb/s units (+ 0x80) */ 7391 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000); 7392 /* Add new value to event */ 7393 current_val = iwe_stream_add_value(info, current_ev, 7394 current_val, end_buf, 7395 &iwe, IW_EV_PARAM_LEN); 7396 } 7397 /* Check if we added any event */ 7398 if ((current_val - current_ev) > iwe_stream_lcp_len(info)) 7399 current_ev = current_val; 7400 7401 /* Beacon interval */ 7402 buf = kmalloc(30, GFP_KERNEL); 7403 if (buf) { 7404 iwe.cmd = IWEVCUSTOM; 7405 sprintf(buf, "bcn_int=%d", bss->beaconInterval); 7406 iwe.u.data.length = strlen(buf); 7407 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7408 &iwe, buf); 7409 kfree(buf); 7410 } 7411 7412 /* Put WPA/RSN Information Elements into the event stream */ 7413 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) { 7414 unsigned int num_null_ies = 0; 7415 u16 length = sizeof (bss->extra.iep); 7416 u8 *ie = (void *)&bss->extra.iep; 7417 7418 while ((length >= 2) && (num_null_ies < 2)) { 7419 if (2 + ie[1] > length) { 7420 /* Invalid element, don't continue parsing IE */ 7421 break; 7422 } 7423 7424 switch (ie[0]) { 7425 case WLAN_EID_SSID: 7426 /* Two zero-length SSID elements 7427 * mean we're done parsing elements */ 7428 if (!ie[1]) 7429 num_null_ies++; 7430 break; 7431 7432 case WLAN_EID_GENERIC: 7433 if (ie[1] >= 4 && 7434 ie[2] == 0x00 && 7435 ie[3] == 0x50 && 7436 ie[4] == 0xf2 && 7437 ie[5] == 0x01) { 7438 iwe.cmd = IWEVGENIE; 7439 /* 64 is an arbitrary cut-off */ 7440 iwe.u.data.length = min(ie[1] + 2, 7441 64); 7442 current_ev = iwe_stream_add_point( 7443 info, current_ev, 7444 end_buf, &iwe, ie); 7445 } 7446 break; 7447 7448 case WLAN_EID_RSN: 7449 iwe.cmd = IWEVGENIE; 7450 /* 64 is an arbitrary cut-off */ 7451 iwe.u.data.length = min(ie[1] + 2, 64); 7452 current_ev = iwe_stream_add_point( 7453 info, current_ev, end_buf, 7454 &iwe, ie); 7455 break; 7456 7457 default: 7458 break; 7459 } 7460 7461 length -= 2 + ie[1]; 7462 ie += 2 + ie[1]; 7463 } 7464 } 7465 return current_ev; 7466} 7467 7468/*------------------------------------------------------------------*/ 7469/* 7470 * Wireless Handler : Read Scan Results 7471 */ 7472static int airo_get_scan(struct net_device *dev, 7473 struct iw_request_info *info, 7474 struct iw_point *dwrq, 7475 char *extra) 7476{ 7477 struct airo_info *ai = dev->ml_priv; 7478 BSSListElement *net; 7479 int err = 0; 7480 char *current_ev = extra; 7481 7482 /* If a scan is in-progress, return -EAGAIN */ 7483 if (ai->scan_timeout > 0) 7484 return -EAGAIN; 7485 7486 if (down_interruptible(&ai->sem)) 7487 return -EAGAIN; 7488 7489 list_for_each_entry (net, &ai->network_list, list) { 7490 /* Translate to WE format this entry */ 7491 current_ev = airo_translate_scan(dev, info, current_ev, 7492 extra + dwrq->length, 7493 &net->bss); 7494 7495 /* Check if there is space for one more entry */ 7496 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { 7497 /* Ask user space to try again with a bigger buffer */ 7498 err = -E2BIG; 7499 goto out; 7500 } 7501 } 7502 7503 /* Length of data */ 7504 dwrq->length = (current_ev - extra); 7505 dwrq->flags = 0; /* todo */ 7506 7507out: 7508 up(&ai->sem); 7509 return err; 7510} 7511 7512/*------------------------------------------------------------------*/ 7513/* 7514 * Commit handler : called after a bunch of SET operations 7515 */ 7516static int airo_config_commit(struct net_device *dev, 7517 struct iw_request_info *info, /* NULL */ 7518 void *zwrq, /* NULL */ 7519 char *extra) /* NULL */ 7520{ 7521 struct airo_info *local = dev->ml_priv; 7522 7523 if (!test_bit (FLAG_COMMIT, &local->flags)) 7524 return 0; 7525 7526 /* Some of the "SET" function may have modified some of the 7527 * parameters. It's now time to commit them in the card */ 7528 disable_MAC(local, 1); 7529 if (test_bit (FLAG_RESET, &local->flags)) { 7530 APListRid APList_rid; 7531 SsidRid SSID_rid; 7532 7533 readAPListRid(local, &APList_rid); 7534 readSsidRid(local, &SSID_rid); 7535 if (test_bit(FLAG_MPI,&local->flags)) 7536 setup_card(local, dev->dev_addr, 1 ); 7537 else 7538 reset_airo_card(dev); 7539 disable_MAC(local, 1); 7540 writeSsidRid(local, &SSID_rid, 1); 7541 writeAPListRid(local, &APList_rid, 1); 7542 } 7543 if (down_interruptible(&local->sem)) 7544 return -ERESTARTSYS; 7545 writeConfigRid(local, 0); 7546 enable_MAC(local, 0); 7547 if (test_bit (FLAG_RESET, &local->flags)) 7548 airo_set_promisc(local); 7549 else 7550 up(&local->sem); 7551 7552 return 0; 7553} 7554 7555/*------------------------------------------------------------------*/ 7556/* 7557 * Structures to export the Wireless Handlers 7558 */ 7559 7560static const struct iw_priv_args airo_private_args[] = { 7561/*{ cmd, set_args, get_args, name } */ 7562 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7563 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" }, 7564 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7565 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" }, 7566}; 7567 7568static const iw_handler airo_handler[] = 7569{ 7570 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */ 7571 (iw_handler) airo_get_name, /* SIOCGIWNAME */ 7572 (iw_handler) NULL, /* SIOCSIWNWID */ 7573 (iw_handler) NULL, /* SIOCGIWNWID */ 7574 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */ 7575 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */ 7576 (iw_handler) airo_set_mode, /* SIOCSIWMODE */ 7577 (iw_handler) airo_get_mode, /* SIOCGIWMODE */ 7578 (iw_handler) airo_set_sens, /* SIOCSIWSENS */ 7579 (iw_handler) airo_get_sens, /* SIOCGIWSENS */ 7580 (iw_handler) NULL, /* SIOCSIWRANGE */ 7581 (iw_handler) airo_get_range, /* SIOCGIWRANGE */ 7582 (iw_handler) NULL, /* SIOCSIWPRIV */ 7583 (iw_handler) NULL, /* SIOCGIWPRIV */ 7584 (iw_handler) NULL, /* SIOCSIWSTATS */ 7585 (iw_handler) NULL, /* SIOCGIWSTATS */ 7586 iw_handler_set_spy, /* SIOCSIWSPY */ 7587 iw_handler_get_spy, /* SIOCGIWSPY */ 7588 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ 7589 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ 7590 (iw_handler) airo_set_wap, /* SIOCSIWAP */ 7591 (iw_handler) airo_get_wap, /* SIOCGIWAP */ 7592 (iw_handler) NULL, /* -- hole -- */ 7593 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */ 7594 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */ 7595 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */ 7596 (iw_handler) airo_set_essid, /* SIOCSIWESSID */ 7597 (iw_handler) airo_get_essid, /* SIOCGIWESSID */ 7598 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */ 7599 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */ 7600 (iw_handler) NULL, /* -- hole -- */ 7601 (iw_handler) NULL, /* -- hole -- */ 7602 (iw_handler) airo_set_rate, /* SIOCSIWRATE */ 7603 (iw_handler) airo_get_rate, /* SIOCGIWRATE */ 7604 (iw_handler) airo_set_rts, /* SIOCSIWRTS */ 7605 (iw_handler) airo_get_rts, /* SIOCGIWRTS */ 7606 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */ 7607 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */ 7608 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */ 7609 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */ 7610 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */ 7611 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */ 7612 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */ 7613 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */ 7614 (iw_handler) airo_set_power, /* SIOCSIWPOWER */ 7615 (iw_handler) airo_get_power, /* SIOCGIWPOWER */ 7616 (iw_handler) NULL, /* -- hole -- */ 7617 (iw_handler) NULL, /* -- hole -- */ 7618 (iw_handler) NULL, /* SIOCSIWGENIE */ 7619 (iw_handler) NULL, /* SIOCGIWGENIE */ 7620 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */ 7621 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */ 7622 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */ 7623 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */ 7624 (iw_handler) NULL, /* SIOCSIWPMKSA */ 7625}; 7626 7627/* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here. 7628 * We want to force the use of the ioctl code, because those can't be 7629 * won't work the iw_handler code (because they simultaneously read 7630 * and write data and iw_handler can't do that). 7631 * Note that it's perfectly legal to read/write on a single ioctl command, 7632 * you just can't use iwpriv and need to force it via the ioctl handler. 7633 * Jean II */ 7634static const iw_handler airo_private_handler[] = 7635{ 7636 NULL, /* SIOCIWFIRSTPRIV */ 7637}; 7638 7639static const struct iw_handler_def airo_handler_def = 7640{ 7641 .num_standard = ARRAY_SIZE(airo_handler), 7642 .num_private = ARRAY_SIZE(airo_private_handler), 7643 .num_private_args = ARRAY_SIZE(airo_private_args), 7644 .standard = airo_handler, 7645 .private = airo_private_handler, 7646 .private_args = airo_private_args, 7647 .get_wireless_stats = airo_get_wireless_stats, 7648}; 7649 7650/* 7651 * This defines the configuration part of the Wireless Extensions 7652 * Note : irq and spinlock protection will occur in the subroutines 7653 * 7654 * TODO : 7655 * o Check input value more carefully and fill correct values in range 7656 * o Test and shakeout the bugs (if any) 7657 * 7658 * Jean II 7659 * 7660 * Javier Achirica did a great job of merging code from the unnamed CISCO 7661 * developer that added support for flashing the card. 7662 */ 7663static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 7664{ 7665 int rc = 0; 7666 struct airo_info *ai = dev->ml_priv; 7667 7668 if (ai->power.event) 7669 return 0; 7670 7671 switch (cmd) { 7672#ifdef CISCO_EXT 7673 case AIROIDIFC: 7674#ifdef AIROOLDIDIFC 7675 case AIROOLDIDIFC: 7676#endif 7677 { 7678 int val = AIROMAGIC; 7679 aironet_ioctl com; 7680 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) 7681 rc = -EFAULT; 7682 else if (copy_to_user(com.data,(char *)&val,sizeof(val))) 7683 rc = -EFAULT; 7684 } 7685 break; 7686 7687 case AIROIOCTL: 7688#ifdef AIROOLDIOCTL 7689 case AIROOLDIOCTL: 7690#endif 7691 /* Get the command struct and hand it off for evaluation by 7692 * the proper subfunction 7693 */ 7694 { 7695 aironet_ioctl com; 7696 if (copy_from_user(&com,rq->ifr_data,sizeof(com))) { 7697 rc = -EFAULT; 7698 break; 7699 } 7700 7701 /* Separate R/W functions bracket legality here 7702 */ 7703 if ( com.command == AIRORSWVERSION ) { 7704 if (copy_to_user(com.data, swversion, sizeof(swversion))) 7705 rc = -EFAULT; 7706 else 7707 rc = 0; 7708 } 7709 else if ( com.command <= AIRORRID) 7710 rc = readrids(dev,&com); 7711 else if ( com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2) ) 7712 rc = writerids(dev,&com); 7713 else if ( com.command >= AIROFLSHRST && com.command <= AIRORESTART ) 7714 rc = flashcard(dev,&com); 7715 else 7716 rc = -EINVAL; /* Bad command in ioctl */ 7717 } 7718 break; 7719#endif /* CISCO_EXT */ 7720 7721 // All other calls are currently unsupported 7722 default: 7723 rc = -EOPNOTSUPP; 7724 } 7725 return rc; 7726} 7727 7728/* 7729 * Get the Wireless stats out of the driver 7730 * Note : irq and spinlock protection will occur in the subroutines 7731 * 7732 * TODO : 7733 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs) 7734 * 7735 * Jean 7736 */ 7737static void airo_read_wireless_stats(struct airo_info *local) 7738{ 7739 StatusRid status_rid; 7740 StatsRid stats_rid; 7741 CapabilityRid cap_rid; 7742 __le32 *vals = stats_rid.vals; 7743 7744 /* Get stats out of the card */ 7745 clear_bit(JOB_WSTATS, &local->jobs); 7746 if (local->power.event) { 7747 up(&local->sem); 7748 return; 7749 } 7750 readCapabilityRid(local, &cap_rid, 0); 7751 readStatusRid(local, &status_rid, 0); 7752 readStatsRid(local, &stats_rid, RID_STATS, 0); 7753 up(&local->sem); 7754 7755 /* The status */ 7756 local->wstats.status = le16_to_cpu(status_rid.mode); 7757 7758 /* Signal quality and co */ 7759 if (local->rssi) { 7760 local->wstats.qual.level = 7761 airo_rssi_to_dbm(local->rssi, 7762 le16_to_cpu(status_rid.sigQuality)); 7763 /* normalizedSignalStrength appears to be a percentage */ 7764 local->wstats.qual.qual = 7765 le16_to_cpu(status_rid.normalizedSignalStrength); 7766 } else { 7767 local->wstats.qual.level = 7768 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2; 7769 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid); 7770 } 7771 if (le16_to_cpu(status_rid.len) >= 124) { 7772 local->wstats.qual.noise = 0x100 - status_rid.noisedBm; 7773 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 7774 } else { 7775 local->wstats.qual.noise = 0; 7776 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM; 7777 } 7778 7779 /* Packets discarded in the wireless adapter due to wireless 7780 * specific problems */ 7781 local->wstats.discard.nwid = le32_to_cpu(vals[56]) + 7782 le32_to_cpu(vals[57]) + 7783 le32_to_cpu(vals[58]); /* SSID Mismatch */ 7784 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */ 7785 local->wstats.discard.fragment = le32_to_cpu(vals[30]); 7786 local->wstats.discard.retries = le32_to_cpu(vals[10]); 7787 local->wstats.discard.misc = le32_to_cpu(vals[1]) + 7788 le32_to_cpu(vals[32]); 7789 local->wstats.miss.beacon = le32_to_cpu(vals[34]); 7790} 7791 7792static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) 7793{ 7794 struct airo_info *local = dev->ml_priv; 7795 7796 if (!test_bit(JOB_WSTATS, &local->jobs)) { 7797 /* Get stats out of the card if available */ 7798 if (down_trylock(&local->sem) != 0) { 7799 set_bit(JOB_WSTATS, &local->jobs); 7800 wake_up_interruptible(&local->thr_wait); 7801 } else 7802 airo_read_wireless_stats(local); 7803 } 7804 7805 return &local->wstats; 7806} 7807 7808#ifdef CISCO_EXT 7809/* 7810 * This just translates from driver IOCTL codes to the command codes to 7811 * feed to the radio's host interface. Things can be added/deleted 7812 * as needed. This represents the READ side of control I/O to 7813 * the card 7814 */ 7815static int readrids(struct net_device *dev, aironet_ioctl *comp) { 7816 unsigned short ridcode; 7817 unsigned char *iobuf; 7818 int len; 7819 struct airo_info *ai = dev->ml_priv; 7820 7821 if (test_bit(FLAG_FLASHING, &ai->flags)) 7822 return -EIO; 7823 7824 switch(comp->command) 7825 { 7826 case AIROGCAP: ridcode = RID_CAPABILITIES; break; 7827 case AIROGCFG: ridcode = RID_CONFIG; 7828 if (test_bit(FLAG_COMMIT, &ai->flags)) { 7829 disable_MAC (ai, 1); 7830 writeConfigRid (ai, 1); 7831 enable_MAC(ai, 1); 7832 } 7833 break; 7834 case AIROGSLIST: ridcode = RID_SSID; break; 7835 case AIROGVLIST: ridcode = RID_APLIST; break; 7836 case AIROGDRVNAM: ridcode = RID_DRVNAME; break; 7837 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break; 7838 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; 7839 /* Only super-user can read WEP keys */ 7840 if (!capable(CAP_NET_ADMIN)) 7841 return -EPERM; 7842 break; 7843 case AIROGWEPKNV: ridcode = RID_WEP_PERM; 7844 /* Only super-user can read WEP keys */ 7845 if (!capable(CAP_NET_ADMIN)) 7846 return -EPERM; 7847 break; 7848 case AIROGSTAT: ridcode = RID_STATUS; break; 7849 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break; 7850 case AIROGSTATSC32: ridcode = RID_STATS; break; 7851 case AIROGMICSTATS: 7852 if (copy_to_user(comp->data, &ai->micstats, 7853 min((int)comp->len,(int)sizeof(ai->micstats)))) 7854 return -EFAULT; 7855 return 0; 7856 case AIRORRID: ridcode = comp->ridnum; break; 7857 default: 7858 return -EINVAL; 7859 break; 7860 } 7861 7862 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7863 return -ENOMEM; 7864 7865 PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1); 7866 /* get the count of bytes in the rid docs say 1st 2 bytes is it. 7867 * then return it to the user 7868 * 9/22/2000 Honor user given length 7869 */ 7870 len = comp->len; 7871 7872 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) { 7873 kfree (iobuf); 7874 return -EFAULT; 7875 } 7876 kfree (iobuf); 7877 return 0; 7878} 7879 7880/* 7881 * Danger Will Robinson write the rids here 7882 */ 7883 7884static int writerids(struct net_device *dev, aironet_ioctl *comp) { 7885 struct airo_info *ai = dev->ml_priv; 7886 int ridcode; 7887 int enabled; 7888 static int (* writer)(struct airo_info *, u16 rid, const void *, int, int); 7889 unsigned char *iobuf; 7890 7891 /* Only super-user can write RIDs */ 7892 if (!capable(CAP_NET_ADMIN)) 7893 return -EPERM; 7894 7895 if (test_bit(FLAG_FLASHING, &ai->flags)) 7896 return -EIO; 7897 7898 ridcode = 0; 7899 writer = do_writerid; 7900 7901 switch(comp->command) 7902 { 7903 case AIROPSIDS: ridcode = RID_SSID; break; 7904 case AIROPCAP: ridcode = RID_CAPABILITIES; break; 7905 case AIROPAPLIST: ridcode = RID_APLIST; break; 7906 case AIROPCFG: ai->config.len = 0; 7907 clear_bit(FLAG_COMMIT, &ai->flags); 7908 ridcode = RID_CONFIG; break; 7909 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break; 7910 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break; 7911 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break; 7912 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid; 7913 break; 7914 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break; 7915 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break; 7916 7917 /* this is not really a rid but a command given to the card 7918 * same with MAC off 7919 */ 7920 case AIROPMACON: 7921 if (enable_MAC(ai, 1) != 0) 7922 return -EIO; 7923 return 0; 7924 7925 /* 7926 * Evidently this code in the airo driver does not get a symbol 7927 * as disable_MAC. it's probably so short the compiler does not gen one. 7928 */ 7929 case AIROPMACOFF: 7930 disable_MAC(ai, 1); 7931 return 0; 7932 7933 /* This command merely clears the counts does not actually store any data 7934 * only reads rid. But as it changes the cards state, I put it in the 7935 * writerid routines. 7936 */ 7937 case AIROPSTCLR: 7938 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7939 return -ENOMEM; 7940 7941 PC4500_readrid(ai,RID_STATSDELTACLEAR,iobuf,RIDSIZE, 1); 7942 7943 enabled = ai->micstats.enabled; 7944 memset(&ai->micstats,0,sizeof(ai->micstats)); 7945 ai->micstats.enabled = enabled; 7946 7947 if (copy_to_user(comp->data, iobuf, 7948 min((int)comp->len, (int)RIDSIZE))) { 7949 kfree (iobuf); 7950 return -EFAULT; 7951 } 7952 kfree (iobuf); 7953 return 0; 7954 7955 default: 7956 return -EOPNOTSUPP; /* Blarg! */ 7957 } 7958 if(comp->len > RIDSIZE) 7959 return -EINVAL; 7960 7961 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7962 return -ENOMEM; 7963 7964 if (copy_from_user(iobuf,comp->data,comp->len)) { 7965 kfree (iobuf); 7966 return -EFAULT; 7967 } 7968 7969 if (comp->command == AIROPCFG) { 7970 ConfigRid *cfg = (ConfigRid *)iobuf; 7971 7972 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) 7973 cfg->opmode |= MODE_MIC; 7974 7975 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 7976 set_bit (FLAG_ADHOC, &ai->flags); 7977 else 7978 clear_bit (FLAG_ADHOC, &ai->flags); 7979 } 7980 7981 if((*writer)(ai, ridcode, iobuf,comp->len,1)) { 7982 kfree (iobuf); 7983 return -EIO; 7984 } 7985 kfree (iobuf); 7986 return 0; 7987} 7988 7989/***************************************************************************** 7990 * Ancillary flash / mod functions much black magic lurkes here * 7991 ***************************************************************************** 7992 */ 7993 7994/* 7995 * Flash command switch table 7996 */ 7997 7998static int flashcard(struct net_device *dev, aironet_ioctl *comp) { 7999 int z; 8000 8001 /* Only super-user can modify flash */ 8002 if (!capable(CAP_NET_ADMIN)) 8003 return -EPERM; 8004 8005 switch(comp->command) 8006 { 8007 case AIROFLSHRST: 8008 return cmdreset((struct airo_info *)dev->ml_priv); 8009 8010 case AIROFLSHSTFL: 8011 if (!AIRO_FLASH(dev) && 8012 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL) 8013 return -ENOMEM; 8014 return setflashmode((struct airo_info *)dev->ml_priv); 8015 8016 case AIROFLSHGCHR: /* Get char from aux */ 8017 if(comp->len != sizeof(int)) 8018 return -EINVAL; 8019 if (copy_from_user(&z,comp->data,comp->len)) 8020 return -EFAULT; 8021 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000); 8022 8023 case AIROFLSHPCHR: /* Send char to card. */ 8024 if(comp->len != sizeof(int)) 8025 return -EINVAL; 8026 if (copy_from_user(&z,comp->data,comp->len)) 8027 return -EFAULT; 8028 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000); 8029 8030 case AIROFLPUTBUF: /* Send 32k to card */ 8031 if (!AIRO_FLASH(dev)) 8032 return -ENOMEM; 8033 if(comp->len > FLASHSIZE) 8034 return -EINVAL; 8035 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len)) 8036 return -EFAULT; 8037 8038 flashputbuf((struct airo_info *)dev->ml_priv); 8039 return 0; 8040 8041 case AIRORESTART: 8042 if (flashrestart((struct airo_info *)dev->ml_priv, dev)) 8043 return -EIO; 8044 return 0; 8045 } 8046 return -EINVAL; 8047} 8048 8049#define FLASH_COMMAND 0x7e7e 8050 8051/* 8052 * STEP 1) 8053 * Disable MAC and do soft reset on 8054 * card. 8055 */ 8056 8057static int cmdreset(struct airo_info *ai) { 8058 disable_MAC(ai, 1); 8059 8060 if(!waitbusy (ai)){ 8061 airo_print_info(ai->dev->name, "Waitbusy hang before RESET"); 8062 return -EBUSY; 8063 } 8064 8065 OUT4500(ai,COMMAND,CMD_SOFTRESET); 8066 8067 ssleep(1); /* WAS 600 12/7/00 */ 8068 8069 if(!waitbusy (ai)){ 8070 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET"); 8071 return -EBUSY; 8072 } 8073 return 0; 8074} 8075 8076/* STEP 2) 8077 * Put the card in legendary flash 8078 * mode 8079 */ 8080 8081static int setflashmode (struct airo_info *ai) { 8082 set_bit (FLAG_FLASHING, &ai->flags); 8083 8084 OUT4500(ai, SWS0, FLASH_COMMAND); 8085 OUT4500(ai, SWS1, FLASH_COMMAND); 8086 if (probe) { 8087 OUT4500(ai, SWS0, FLASH_COMMAND); 8088 OUT4500(ai, COMMAND,0x10); 8089 } else { 8090 OUT4500(ai, SWS2, FLASH_COMMAND); 8091 OUT4500(ai, SWS3, FLASH_COMMAND); 8092 OUT4500(ai, COMMAND,0); 8093 } 8094 msleep(500); /* 500ms delay */ 8095 8096 if(!waitbusy(ai)) { 8097 clear_bit (FLAG_FLASHING, &ai->flags); 8098 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode"); 8099 return -EIO; 8100 } 8101 return 0; 8102} 8103 8104/* Put character to SWS0 wait for dwelltime 8105 * x 50us for echo . 8106 */ 8107 8108static int flashpchar(struct airo_info *ai,int byte,int dwelltime) { 8109 int echo; 8110 int waittime; 8111 8112 byte |= 0x8000; 8113 8114 if(dwelltime == 0 ) 8115 dwelltime = 200; 8116 8117 waittime=dwelltime; 8118 8119 /* Wait for busy bit d15 to go false indicating buffer empty */ 8120 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) { 8121 udelay (50); 8122 waittime -= 50; 8123 } 8124 8125 /* timeout for busy clear wait */ 8126 if(waittime <= 0 ){ 8127 airo_print_info(ai->dev->name, "flash putchar busywait timeout!"); 8128 return -EBUSY; 8129 } 8130 8131 /* Port is clear now write byte and wait for it to echo back */ 8132 do { 8133 OUT4500(ai,SWS0,byte); 8134 udelay(50); 8135 dwelltime -= 50; 8136 echo = IN4500(ai,SWS1); 8137 } while (dwelltime >= 0 && echo != byte); 8138 8139 OUT4500(ai,SWS1,0); 8140 8141 return (echo == byte) ? 0 : -EIO; 8142} 8143 8144/* 8145 * Get a character from the card matching matchbyte 8146 * Step 3) 8147 */ 8148static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime){ 8149 int rchar; 8150 unsigned char rbyte=0; 8151 8152 do { 8153 rchar = IN4500(ai,SWS1); 8154 8155 if(dwelltime && !(0x8000 & rchar)){ 8156 dwelltime -= 10; 8157 mdelay(10); 8158 continue; 8159 } 8160 rbyte = 0xff & rchar; 8161 8162 if( (rbyte == matchbyte) && (0x8000 & rchar) ){ 8163 OUT4500(ai,SWS1,0); 8164 return 0; 8165 } 8166 if( rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar) 8167 break; 8168 OUT4500(ai,SWS1,0); 8169 8170 }while(dwelltime > 0); 8171 return -EIO; 8172} 8173 8174/* 8175 * Transfer 32k of firmware data from user buffer to our buffer and 8176 * send to the card 8177 */ 8178 8179static int flashputbuf(struct airo_info *ai){ 8180 int nwords; 8181 8182 /* Write stuff */ 8183 if (test_bit(FLAG_MPI,&ai->flags)) 8184 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE); 8185 else { 8186 OUT4500(ai,AUXPAGE,0x100); 8187 OUT4500(ai,AUXOFF,0); 8188 8189 for(nwords=0;nwords != FLASHSIZE / 2;nwords++){ 8190 OUT4500(ai,AUXDATA,ai->flash[nwords] & 0xffff); 8191 } 8192 } 8193 OUT4500(ai,SWS0,0x8000); 8194 8195 return 0; 8196} 8197 8198/* 8199 * 8200 */ 8201static int flashrestart(struct airo_info *ai,struct net_device *dev){ 8202 int i,status; 8203 8204 ssleep(1); /* Added 12/7/00 */ 8205 clear_bit (FLAG_FLASHING, &ai->flags); 8206 if (test_bit(FLAG_MPI, &ai->flags)) { 8207 status = mpi_init_descriptors(ai); 8208 if (status != SUCCESS) 8209 return status; 8210 } 8211 status = setup_card(ai, dev->dev_addr, 1); 8212 8213 if (!test_bit(FLAG_MPI,&ai->flags)) 8214 for( i = 0; i < MAX_FIDS; i++ ) { 8215 ai->fids[i] = transmit_allocate 8216 ( ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2 ); 8217 } 8218 8219 ssleep(1); /* Added 12/7/00 */ 8220 return status; 8221} 8222#endif /* CISCO_EXT */ 8223 8224/* 8225 This program is free software; you can redistribute it and/or 8226 modify it under the terms of the GNU General Public License 8227 as published by the Free Software Foundation; either version 2 8228 of the License, or (at your option) any later version. 8229 8230 This program is distributed in the hope that it will be useful, 8231 but WITHOUT ANY WARRANTY; without even the implied warranty of 8232 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8233 GNU General Public License for more details. 8234 8235 In addition: 8236 8237 Redistribution and use in source and binary forms, with or without 8238 modification, are permitted provided that the following conditions 8239 are met: 8240 8241 1. Redistributions of source code must retain the above copyright 8242 notice, this list of conditions and the following disclaimer. 8243 2. Redistributions in binary form must reproduce the above copyright 8244 notice, this list of conditions and the following disclaimer in the 8245 documentation and/or other materials provided with the distribution. 8246 3. The name of the author may not be used to endorse or promote 8247 products derived from this software without specific prior written 8248 permission. 8249 8250 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 8251 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 8252 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 8253 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 8254 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 8255 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 8256 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 8257 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 8258 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 8259 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 8260 POSSIBILITY OF SUCH DAMAGE. 8261*/ 8262 8263module_init(airo_init_module); 8264module_exit(airo_cleanup_module); 8265