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 <linux/io.h> 40 #include <asm/unaligned.h> 41 42 #include <linux/netdevice.h> 43 #include <linux/etherdevice.h> 44 #include <linux/skbuff.h> 45 #include <linux/if_arp.h> 46 #include <linux/ioport.h> 47 #include <linux/pci.h> 48 #include <linux/uaccess.h> 49 #include <linux/kthread.h> 50 #include <linux/freezer.h> 51 52 #include <crypto/aes.h> 53 #include <crypto/skcipher.h> 54 55 #include <net/cfg80211.h> 56 #include <net/iw_handler.h> 57 58 #include "airo.h" 59 60 #define DRV_NAME "airo" 61 62 #ifdef CONFIG_PCI 63 static const struct pci_device_id card_ids[] = { 64 { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, }, 65 { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID }, 66 { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, }, 67 { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, }, 68 { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, }, 69 { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, }, 70 { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, }, 71 { 0, } 72 }; 73 MODULE_DEVICE_TABLE(pci, card_ids); 74 75 static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *); 76 static void airo_pci_remove(struct pci_dev *); 77 static int __maybe_unused airo_pci_suspend(struct device *dev); 78 static int __maybe_unused airo_pci_resume(struct device *dev); 79 80 static SIMPLE_DEV_PM_OPS(airo_pci_pm_ops, 81 airo_pci_suspend, 82 airo_pci_resume); 83 84 static struct pci_driver airo_driver = { 85 .name = DRV_NAME, 86 .id_table = card_ids, 87 .probe = airo_pci_probe, 88 .remove = airo_pci_remove, 89 .driver.pm = &airo_pci_pm_ops, 90 }; 91 #endif /* CONFIG_PCI */ 92 93 /* Include Wireless Extension definition and check version - Jean II */ 94 #include <linux/wireless.h> 95 #define WIRELESS_SPY /* enable iwspy support */ 96 97 #define CISCO_EXT /* enable Cisco extensions */ 98 #ifdef CISCO_EXT 99 #include <linux/delay.h> 100 #endif 101 102 /* Hack to do some power saving */ 103 #define POWER_ON_DOWN 104 105 /* As you can see this list is HUGH! 106 I really don't know what a lot of these counts are about, but they 107 are all here for completeness. If the IGNLABEL macro is put in 108 infront of the label, that statistic will not be included in the list 109 of statistics in the /proc filesystem */ 110 111 #define IGNLABEL(comment) NULL 112 static const char *statsLabels[] = { 113 "RxOverrun", 114 IGNLABEL("RxPlcpCrcErr"), 115 IGNLABEL("RxPlcpFormatErr"), 116 IGNLABEL("RxPlcpLengthErr"), 117 "RxMacCrcErr", 118 "RxMacCrcOk", 119 "RxWepErr", 120 "RxWepOk", 121 "RetryLong", 122 "RetryShort", 123 "MaxRetries", 124 "NoAck", 125 "NoCts", 126 "RxAck", 127 "RxCts", 128 "TxAck", 129 "TxRts", 130 "TxCts", 131 "TxMc", 132 "TxBc", 133 "TxUcFrags", 134 "TxUcPackets", 135 "TxBeacon", 136 "RxBeacon", 137 "TxSinColl", 138 "TxMulColl", 139 "DefersNo", 140 "DefersProt", 141 "DefersEngy", 142 "DupFram", 143 "RxFragDisc", 144 "TxAged", 145 "RxAged", 146 "LostSync-MaxRetry", 147 "LostSync-MissedBeacons", 148 "LostSync-ArlExceeded", 149 "LostSync-Deauth", 150 "LostSync-Disassoced", 151 "LostSync-TsfTiming", 152 "HostTxMc", 153 "HostTxBc", 154 "HostTxUc", 155 "HostTxFail", 156 "HostRxMc", 157 "HostRxBc", 158 "HostRxUc", 159 "HostRxDiscard", 160 IGNLABEL("HmacTxMc"), 161 IGNLABEL("HmacTxBc"), 162 IGNLABEL("HmacTxUc"), 163 IGNLABEL("HmacTxFail"), 164 IGNLABEL("HmacRxMc"), 165 IGNLABEL("HmacRxBc"), 166 IGNLABEL("HmacRxUc"), 167 IGNLABEL("HmacRxDiscard"), 168 IGNLABEL("HmacRxAccepted"), 169 "SsidMismatch", 170 "ApMismatch", 171 "RatesMismatch", 172 "AuthReject", 173 "AuthTimeout", 174 "AssocReject", 175 "AssocTimeout", 176 IGNLABEL("ReasonOutsideTable"), 177 IGNLABEL("ReasonStatus1"), 178 IGNLABEL("ReasonStatus2"), 179 IGNLABEL("ReasonStatus3"), 180 IGNLABEL("ReasonStatus4"), 181 IGNLABEL("ReasonStatus5"), 182 IGNLABEL("ReasonStatus6"), 183 IGNLABEL("ReasonStatus7"), 184 IGNLABEL("ReasonStatus8"), 185 IGNLABEL("ReasonStatus9"), 186 IGNLABEL("ReasonStatus10"), 187 IGNLABEL("ReasonStatus11"), 188 IGNLABEL("ReasonStatus12"), 189 IGNLABEL("ReasonStatus13"), 190 IGNLABEL("ReasonStatus14"), 191 IGNLABEL("ReasonStatus15"), 192 IGNLABEL("ReasonStatus16"), 193 IGNLABEL("ReasonStatus17"), 194 IGNLABEL("ReasonStatus18"), 195 IGNLABEL("ReasonStatus19"), 196 "RxMan", 197 "TxMan", 198 "RxRefresh", 199 "TxRefresh", 200 "RxPoll", 201 "TxPoll", 202 "HostRetries", 203 "LostSync-HostReq", 204 "HostTxBytes", 205 "HostRxBytes", 206 "ElapsedUsec", 207 "ElapsedSec", 208 "LostSyncBetterAP", 209 "PrivacyMismatch", 210 "Jammed", 211 "DiscRxNotWepped", 212 "PhyEleMismatch", 213 (char*)-1 }; 214 #ifndef RUN_AT 215 #define RUN_AT(x) (jiffies+(x)) 216 #endif 217 218 219 /* These variables are for insmod, since it seems that the rates 220 can only be set in setup_card. Rates should be a comma separated 221 (no spaces) list of rates (up to 8). */ 222 223 static int rates[8]; 224 static char *ssids[3]; 225 226 static int io[4]; 227 static int irq[4]; 228 229 static 230 int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at. 231 0 means no limit. For old cards this was 4 */ 232 233 static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */ 234 static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read 235 the bap, needed on some older cards and buses. */ 236 static int adhoc; 237 238 static int probe = 1; 239 240 static kuid_t proc_kuid; 241 static int proc_uid /* = 0 */; 242 243 static kgid_t proc_kgid; 244 static int proc_gid /* = 0 */; 245 246 static int airo_perm = 0555; 247 248 static int proc_perm = 0644; 249 250 MODULE_AUTHOR("Benjamin Reed"); 251 MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. " 252 "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs."); 253 MODULE_LICENSE("Dual BSD/GPL"); 254 module_param_hw_array(io, int, ioport, NULL, 0); 255 module_param_hw_array(irq, int, irq, NULL, 0); 256 module_param_array(rates, int, NULL, 0); 257 module_param_array(ssids, charp, NULL, 0); 258 module_param(auto_wep, int, 0); 259 MODULE_PARM_DESC(auto_wep, 260 "If non-zero, the driver will keep looping through the authentication options until an association is made. " 261 "The value of auto_wep is number of the wep keys to check. " 262 "A value of 2 will try using the key at index 0 and index 1."); 263 module_param(aux_bap, int, 0); 264 MODULE_PARM_DESC(aux_bap, 265 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. " 266 "Before switching it checks that the switch is needed."); 267 module_param(maxencrypt, int, 0); 268 MODULE_PARM_DESC(maxencrypt, 269 "The maximum speed that the card can do encryption. " 270 "Units are in 512kbs. " 271 "Zero (default) means there is no limit. " 272 "Older cards used to be limited to 2mbs (4)."); 273 module_param(adhoc, int, 0); 274 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode."); 275 module_param(probe, int, 0); 276 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card."); 277 278 module_param(proc_uid, int, 0); 279 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to."); 280 module_param(proc_gid, int, 0); 281 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to."); 282 module_param(airo_perm, int, 0); 283 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet."); 284 module_param(proc_perm, int, 0); 285 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc"); 286 287 /* This is a kind of sloppy hack to get this information to OUT4500 and 288 IN4500. I would be extremely interested in the situation where this 289 doesn't work though!!! */ 290 static int do8bitIO /* = 0 */; 291 292 /* Return codes */ 293 #define SUCCESS 0 294 #define ERROR -1 295 #define NO_PACKET -2 296 297 /* Commands */ 298 #define NOP2 0x0000 299 #define MAC_ENABLE 0x0001 300 #define MAC_DISABLE 0x0002 301 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */ 302 #define CMD_SOFTRESET 0x0004 303 #define HOSTSLEEP 0x0005 304 #define CMD_MAGIC_PKT 0x0006 305 #define CMD_SETWAKEMASK 0x0007 306 #define CMD_READCFG 0x0008 307 #define CMD_SETMODE 0x0009 308 #define CMD_ALLOCATETX 0x000a 309 #define CMD_TRANSMIT 0x000b 310 #define CMD_DEALLOCATETX 0x000c 311 #define NOP 0x0010 312 #define CMD_WORKAROUND 0x0011 313 #define CMD_ALLOCATEAUX 0x0020 314 #define CMD_ACCESS 0x0021 315 #define CMD_PCIBAP 0x0022 316 #define CMD_PCIAUX 0x0023 317 #define CMD_ALLOCBUF 0x0028 318 #define CMD_GETTLV 0x0029 319 #define CMD_PUTTLV 0x002a 320 #define CMD_DELTLV 0x002b 321 #define CMD_FINDNEXTTLV 0x002c 322 #define CMD_PSPNODES 0x0030 323 #define CMD_SETCW 0x0031 324 #define CMD_SETPCF 0x0032 325 #define CMD_SETPHYREG 0x003e 326 #define CMD_TXTEST 0x003f 327 #define MAC_ENABLETX 0x0101 328 #define CMD_LISTBSS 0x0103 329 #define CMD_SAVECFG 0x0108 330 #define CMD_ENABLEAUX 0x0111 331 #define CMD_WRITERID 0x0121 332 #define CMD_USEPSPNODES 0x0130 333 #define MAC_ENABLERX 0x0201 334 335 /* Command errors */ 336 #define ERROR_QUALIF 0x00 337 #define ERROR_ILLCMD 0x01 338 #define ERROR_ILLFMT 0x02 339 #define ERROR_INVFID 0x03 340 #define ERROR_INVRID 0x04 341 #define ERROR_LARGE 0x05 342 #define ERROR_NDISABL 0x06 343 #define ERROR_ALLOCBSY 0x07 344 #define ERROR_NORD 0x0B 345 #define ERROR_NOWR 0x0C 346 #define ERROR_INVFIDTX 0x0D 347 #define ERROR_TESTACT 0x0E 348 #define ERROR_TAGNFND 0x12 349 #define ERROR_DECODE 0x20 350 #define ERROR_DESCUNAV 0x21 351 #define ERROR_BADLEN 0x22 352 #define ERROR_MODE 0x80 353 #define ERROR_HOP 0x81 354 #define ERROR_BINTER 0x82 355 #define ERROR_RXMODE 0x83 356 #define ERROR_MACADDR 0x84 357 #define ERROR_RATES 0x85 358 #define ERROR_ORDER 0x86 359 #define ERROR_SCAN 0x87 360 #define ERROR_AUTH 0x88 361 #define ERROR_PSMODE 0x89 362 #define ERROR_RTYPE 0x8A 363 #define ERROR_DIVER 0x8B 364 #define ERROR_SSID 0x8C 365 #define ERROR_APLIST 0x8D 366 #define ERROR_AUTOWAKE 0x8E 367 #define ERROR_LEAP 0x8F 368 369 /* Registers */ 370 #define COMMAND 0x00 371 #define PARAM0 0x02 372 #define PARAM1 0x04 373 #define PARAM2 0x06 374 #define STATUS 0x08 375 #define RESP0 0x0a 376 #define RESP1 0x0c 377 #define RESP2 0x0e 378 #define LINKSTAT 0x10 379 #define SELECT0 0x18 380 #define OFFSET0 0x1c 381 #define RXFID 0x20 382 #define TXALLOCFID 0x22 383 #define TXCOMPLFID 0x24 384 #define DATA0 0x36 385 #define EVSTAT 0x30 386 #define EVINTEN 0x32 387 #define EVACK 0x34 388 #define SWS0 0x28 389 #define SWS1 0x2a 390 #define SWS2 0x2c 391 #define SWS3 0x2e 392 #define AUXPAGE 0x3A 393 #define AUXOFF 0x3C 394 #define AUXDATA 0x3E 395 396 #define FID_TX 1 397 #define FID_RX 2 398 /* Offset into aux memory for descriptors */ 399 #define AUX_OFFSET 0x800 400 /* Size of allocated packets */ 401 #define PKTSIZE 1840 402 #define RIDSIZE 2048 403 /* Size of the transmit queue */ 404 #define MAXTXQ 64 405 406 /* BAP selectors */ 407 #define BAP0 0 /* Used for receiving packets */ 408 #define BAP1 2 /* Used for xmiting packets and working with RIDS */ 409 410 /* Flags */ 411 #define COMMAND_BUSY 0x8000 412 413 #define BAP_BUSY 0x8000 414 #define BAP_ERR 0x4000 415 #define BAP_DONE 0x2000 416 417 #define PROMISC 0xffff 418 #define NOPROMISC 0x0000 419 420 #define EV_CMD 0x10 421 #define EV_CLEARCOMMANDBUSY 0x4000 422 #define EV_RX 0x01 423 #define EV_TX 0x02 424 #define EV_TXEXC 0x04 425 #define EV_ALLOC 0x08 426 #define EV_LINK 0x80 427 #define EV_AWAKE 0x100 428 #define EV_TXCPY 0x400 429 #define EV_UNKNOWN 0x800 430 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */ 431 #define EV_AWAKEN 0x2000 432 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC) 433 434 #ifdef CHECK_UNKNOWN_INTS 435 #define IGNORE_INTS (EV_CMD | EV_UNKNOWN) 436 #else 437 #define IGNORE_INTS (~STATUS_INTS) 438 #endif 439 440 /* RID TYPES */ 441 #define RID_RW 0x20 442 443 /* The RIDs */ 444 #define RID_CAPABILITIES 0xFF00 445 #define RID_APINFO 0xFF01 446 #define RID_RADIOINFO 0xFF02 447 #define RID_UNKNOWN3 0xFF03 448 #define RID_RSSI 0xFF04 449 #define RID_CONFIG 0xFF10 450 #define RID_SSID 0xFF11 451 #define RID_APLIST 0xFF12 452 #define RID_DRVNAME 0xFF13 453 #define RID_ETHERENCAP 0xFF14 454 #define RID_WEP_TEMP 0xFF15 455 #define RID_WEP_PERM 0xFF16 456 #define RID_MODULATION 0xFF17 457 #define RID_OPTIONS 0xFF18 458 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/ 459 #define RID_FACTORYCONFIG 0xFF21 460 #define RID_UNKNOWN22 0xFF22 461 #define RID_LEAPUSERNAME 0xFF23 462 #define RID_LEAPPASSWORD 0xFF24 463 #define RID_STATUS 0xFF50 464 #define RID_BEACON_HST 0xFF51 465 #define RID_BUSY_HST 0xFF52 466 #define RID_RETRIES_HST 0xFF53 467 #define RID_UNKNOWN54 0xFF54 468 #define RID_UNKNOWN55 0xFF55 469 #define RID_UNKNOWN56 0xFF56 470 #define RID_MIC 0xFF57 471 #define RID_STATS16 0xFF60 472 #define RID_STATS16DELTA 0xFF61 473 #define RID_STATS16DELTACLEAR 0xFF62 474 #define RID_STATS 0xFF68 475 #define RID_STATSDELTA 0xFF69 476 #define RID_STATSDELTACLEAR 0xFF6A 477 #define RID_ECHOTEST_RID 0xFF70 478 #define RID_ECHOTEST_RESULTS 0xFF71 479 #define RID_BSSLISTFIRST 0xFF72 480 #define RID_BSSLISTNEXT 0xFF73 481 #define RID_WPA_BSSLISTFIRST 0xFF74 482 #define RID_WPA_BSSLISTNEXT 0xFF75 483 484 typedef struct { 485 u16 cmd; 486 u16 parm0; 487 u16 parm1; 488 u16 parm2; 489 } Cmd; 490 491 typedef struct { 492 u16 status; 493 u16 rsp0; 494 u16 rsp1; 495 u16 rsp2; 496 } Resp; 497 498 /* 499 * Rids and endian-ness: The Rids will always be in cpu endian, since 500 * this all the patches from the big-endian guys end up doing that. 501 * so all rid access should use the read/writeXXXRid routines. 502 */ 503 504 /* This structure came from an email sent to me from an engineer at 505 aironet for inclusion into this driver */ 506 typedef struct WepKeyRid WepKeyRid; 507 struct WepKeyRid { 508 __le16 len; 509 __le16 kindex; 510 u8 mac[ETH_ALEN]; 511 __le16 klen; 512 u8 key[16]; 513 } __packed; 514 515 /* These structures are from the Aironet's PC4500 Developers Manual */ 516 typedef struct Ssid Ssid; 517 struct Ssid { 518 __le16 len; 519 u8 ssid[32]; 520 } __packed; 521 522 typedef struct SsidRid SsidRid; 523 struct SsidRid { 524 __le16 len; 525 Ssid ssids[3]; 526 } __packed; 527 528 typedef struct ModulationRid ModulationRid; 529 struct ModulationRid { 530 __le16 len; 531 __le16 modulation; 532 #define MOD_DEFAULT cpu_to_le16(0) 533 #define MOD_CCK cpu_to_le16(1) 534 #define MOD_MOK cpu_to_le16(2) 535 } __packed; 536 537 typedef struct ConfigRid ConfigRid; 538 struct ConfigRid { 539 __le16 len; /* sizeof(ConfigRid) */ 540 __le16 opmode; /* operating mode */ 541 #define MODE_STA_IBSS cpu_to_le16(0) 542 #define MODE_STA_ESS cpu_to_le16(1) 543 #define MODE_AP cpu_to_le16(2) 544 #define MODE_AP_RPTR cpu_to_le16(3) 545 #define MODE_CFG_MASK cpu_to_le16(0xff) 546 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */ 547 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */ 548 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */ 549 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */ 550 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */ 551 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */ 552 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */ 553 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */ 554 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */ 555 __le16 rmode; /* receive mode */ 556 #define RXMODE_BC_MC_ADDR cpu_to_le16(0) 557 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */ 558 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */ 559 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */ 560 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4) 561 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */ 562 #define RXMODE_MASK cpu_to_le16(255) 563 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */ 564 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER) 565 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */ 566 __le16 fragThresh; 567 __le16 rtsThres; 568 u8 macAddr[ETH_ALEN]; 569 u8 rates[8]; 570 __le16 shortRetryLimit; 571 __le16 longRetryLimit; 572 __le16 txLifetime; /* in kusec */ 573 __le16 rxLifetime; /* in kusec */ 574 __le16 stationary; 575 __le16 ordering; 576 __le16 u16deviceType; /* for overriding device type */ 577 __le16 cfpRate; 578 __le16 cfpDuration; 579 __le16 _reserved1[3]; 580 /*---------- Scanning/Associating ----------*/ 581 __le16 scanMode; 582 #define SCANMODE_ACTIVE cpu_to_le16(0) 583 #define SCANMODE_PASSIVE cpu_to_le16(1) 584 #define SCANMODE_AIROSCAN cpu_to_le16(2) 585 __le16 probeDelay; /* in kusec */ 586 __le16 probeEnergyTimeout; /* in kusec */ 587 __le16 probeResponseTimeout; 588 __le16 beaconListenTimeout; 589 __le16 joinNetTimeout; 590 __le16 authTimeout; 591 __le16 authType; 592 #define AUTH_OPEN cpu_to_le16(0x1) 593 #define AUTH_ENCRYPT cpu_to_le16(0x101) 594 #define AUTH_SHAREDKEY cpu_to_le16(0x102) 595 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200) 596 __le16 associationTimeout; 597 __le16 specifiedApTimeout; 598 __le16 offlineScanInterval; 599 __le16 offlineScanDuration; 600 __le16 linkLossDelay; 601 __le16 maxBeaconLostTime; 602 __le16 refreshInterval; 603 #define DISABLE_REFRESH cpu_to_le16(0xFFFF) 604 __le16 _reserved1a[1]; 605 /*---------- Power save operation ----------*/ 606 __le16 powerSaveMode; 607 #define POWERSAVE_CAM cpu_to_le16(0) 608 #define POWERSAVE_PSP cpu_to_le16(1) 609 #define POWERSAVE_PSPCAM cpu_to_le16(2) 610 __le16 sleepForDtims; 611 __le16 listenInterval; 612 __le16 fastListenInterval; 613 __le16 listenDecay; 614 __le16 fastListenDelay; 615 __le16 _reserved2[2]; 616 /*---------- Ap/Ibss config items ----------*/ 617 __le16 beaconPeriod; 618 __le16 atimDuration; 619 __le16 hopPeriod; 620 __le16 channelSet; 621 __le16 channel; 622 __le16 dtimPeriod; 623 __le16 bridgeDistance; 624 __le16 radioID; 625 /*---------- Radio configuration ----------*/ 626 __le16 radioType; 627 #define RADIOTYPE_DEFAULT cpu_to_le16(0) 628 #define RADIOTYPE_802_11 cpu_to_le16(1) 629 #define RADIOTYPE_LEGACY cpu_to_le16(2) 630 u8 rxDiversity; 631 u8 txDiversity; 632 __le16 txPower; 633 #define TXPOWER_DEFAULT 0 634 __le16 rssiThreshold; 635 #define RSSI_DEFAULT 0 636 __le16 modulation; 637 #define PREAMBLE_AUTO cpu_to_le16(0) 638 #define PREAMBLE_LONG cpu_to_le16(1) 639 #define PREAMBLE_SHORT cpu_to_le16(2) 640 __le16 preamble; 641 __le16 homeProduct; 642 __le16 radioSpecific; 643 /*---------- Aironet Extensions ----------*/ 644 u8 nodeName[16]; 645 __le16 arlThreshold; 646 __le16 arlDecay; 647 __le16 arlDelay; 648 __le16 _reserved4[1]; 649 /*---------- Aironet Extensions ----------*/ 650 u8 magicAction; 651 #define MAGIC_ACTION_STSCHG 1 652 #define MAGIC_ACTION_RESUME 2 653 #define MAGIC_IGNORE_MCAST (1<<8) 654 #define MAGIC_IGNORE_BCAST (1<<9) 655 #define MAGIC_SWITCH_TO_PSP (0<<10) 656 #define MAGIC_STAY_IN_CAM (1<<10) 657 u8 magicControl; 658 __le16 autoWake; 659 } __packed; 660 661 typedef struct StatusRid StatusRid; 662 struct StatusRid { 663 __le16 len; 664 u8 mac[ETH_ALEN]; 665 __le16 mode; 666 __le16 errorCode; 667 __le16 sigQuality; 668 __le16 SSIDlen; 669 char SSID[32]; 670 char apName[16]; 671 u8 bssid[4][ETH_ALEN]; 672 __le16 beaconPeriod; 673 __le16 dimPeriod; 674 __le16 atimDuration; 675 __le16 hopPeriod; 676 __le16 channelSet; 677 __le16 channel; 678 __le16 hopsToBackbone; 679 __le16 apTotalLoad; 680 __le16 generatedLoad; 681 __le16 accumulatedArl; 682 __le16 signalQuality; 683 __le16 currentXmitRate; 684 __le16 apDevExtensions; 685 __le16 normalizedSignalStrength; 686 __le16 shortPreamble; 687 u8 apIP[4]; 688 u8 noisePercent; /* Noise percent in last second */ 689 u8 noisedBm; /* Noise dBm in last second */ 690 u8 noiseAvePercent; /* Noise percent in last minute */ 691 u8 noiseAvedBm; /* Noise dBm in last minute */ 692 u8 noiseMaxPercent; /* Highest noise percent in last minute */ 693 u8 noiseMaxdBm; /* Highest noise dbm in last minute */ 694 __le16 load; 695 u8 carrier[4]; 696 __le16 assocStatus; 697 #define STAT_NOPACKETS 0 698 #define STAT_NOCARRIERSET 10 699 #define STAT_GOTCARRIERSET 11 700 #define STAT_WRONGSSID 20 701 #define STAT_BADCHANNEL 25 702 #define STAT_BADBITRATES 30 703 #define STAT_BADPRIVACY 35 704 #define STAT_APFOUND 40 705 #define STAT_APREJECTED 50 706 #define STAT_AUTHENTICATING 60 707 #define STAT_DEAUTHENTICATED 61 708 #define STAT_AUTHTIMEOUT 62 709 #define STAT_ASSOCIATING 70 710 #define STAT_DEASSOCIATED 71 711 #define STAT_ASSOCTIMEOUT 72 712 #define STAT_NOTAIROAP 73 713 #define STAT_ASSOCIATED 80 714 #define STAT_LEAPING 90 715 #define STAT_LEAPFAILED 91 716 #define STAT_LEAPTIMEDOUT 92 717 #define STAT_LEAPCOMPLETE 93 718 } __packed; 719 720 typedef struct StatsRid StatsRid; 721 struct StatsRid { 722 __le16 len; 723 __le16 spacer; 724 __le32 vals[100]; 725 } __packed; 726 727 typedef struct APListRid APListRid; 728 struct APListRid { 729 __le16 len; 730 u8 ap[4][ETH_ALEN]; 731 } __packed; 732 733 typedef struct CapabilityRid CapabilityRid; 734 struct CapabilityRid { 735 __le16 len; 736 char oui[3]; 737 char zero; 738 __le16 prodNum; 739 char manName[32]; 740 char prodName[16]; 741 char prodVer[8]; 742 char factoryAddr[ETH_ALEN]; 743 char aironetAddr[ETH_ALEN]; 744 __le16 radioType; 745 __le16 country; 746 char callid[ETH_ALEN]; 747 char supportedRates[8]; 748 char rxDiversity; 749 char txDiversity; 750 __le16 txPowerLevels[8]; 751 __le16 hardVer; 752 __le16 hardCap; 753 __le16 tempRange; 754 __le16 softVer; 755 __le16 softSubVer; 756 __le16 interfaceVer; 757 __le16 softCap; 758 __le16 bootBlockVer; 759 __le16 requiredHard; 760 __le16 extSoftCap; 761 } __packed; 762 763 /* Only present on firmware >= 5.30.17 */ 764 typedef struct BSSListRidExtra BSSListRidExtra; 765 struct BSSListRidExtra { 766 __le16 unknown[4]; 767 u8 fixed[12]; /* WLAN management frame */ 768 u8 iep[624]; 769 } __packed; 770 771 typedef struct BSSListRid BSSListRid; 772 struct BSSListRid { 773 __le16 len; 774 __le16 index; /* First is 0 and 0xffff means end of list */ 775 #define RADIO_FH 1 /* Frequency hopping radio type */ 776 #define RADIO_DS 2 /* Direct sequence radio type */ 777 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */ 778 __le16 radioType; 779 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */ 780 u8 zero; 781 u8 ssidLen; 782 u8 ssid[32]; 783 __le16 dBm; 784 #define CAP_ESS cpu_to_le16(1<<0) 785 #define CAP_IBSS cpu_to_le16(1<<1) 786 #define CAP_PRIVACY cpu_to_le16(1<<4) 787 #define CAP_SHORTHDR cpu_to_le16(1<<5) 788 __le16 cap; 789 __le16 beaconInterval; 790 u8 rates[8]; /* Same as rates for config rid */ 791 struct { /* For frequency hopping only */ 792 __le16 dwell; 793 u8 hopSet; 794 u8 hopPattern; 795 u8 hopIndex; 796 u8 fill; 797 } fh; 798 __le16 dsChannel; 799 __le16 atimWindow; 800 801 /* Only present on firmware >= 5.30.17 */ 802 BSSListRidExtra extra; 803 } __packed; 804 805 typedef struct { 806 BSSListRid bss; 807 struct list_head list; 808 } BSSListElement; 809 810 typedef struct tdsRssiEntry tdsRssiEntry; 811 struct tdsRssiEntry { 812 u8 rssipct; 813 u8 rssidBm; 814 } __packed; 815 816 typedef struct tdsRssiRid tdsRssiRid; 817 struct tdsRssiRid { 818 u16 len; 819 tdsRssiEntry x[256]; 820 } __packed; 821 822 typedef struct MICRid MICRid; 823 struct MICRid { 824 __le16 len; 825 __le16 state; 826 __le16 multicastValid; 827 u8 multicast[16]; 828 __le16 unicastValid; 829 u8 unicast[16]; 830 } __packed; 831 832 typedef struct MICBuffer MICBuffer; 833 struct MICBuffer { 834 __be16 typelen; 835 836 union { 837 u8 snap[8]; 838 struct { 839 u8 dsap; 840 u8 ssap; 841 u8 control; 842 u8 orgcode[3]; 843 u8 fieldtype[2]; 844 } llc; 845 } u; 846 __be32 mic; 847 __be32 seq; 848 } __packed; 849 850 typedef struct { 851 u8 da[ETH_ALEN]; 852 u8 sa[ETH_ALEN]; 853 } etherHead; 854 855 #define TXCTL_TXOK (1<<1) /* report if tx is ok */ 856 #define TXCTL_TXEX (1<<2) /* report if tx fails */ 857 #define TXCTL_802_3 (0<<3) /* 802.3 packet */ 858 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */ 859 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */ 860 #define TXCTL_LLC (1<<4) /* payload is llc */ 861 #define TXCTL_RELEASE (0<<5) /* release after completion */ 862 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */ 863 864 #define BUSY_FID 0x10000 865 866 #ifdef CISCO_EXT 867 #define AIROMAGIC 0xa55a 868 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */ 869 #ifdef SIOCIWFIRSTPRIV 870 #ifdef SIOCDEVPRIVATE 871 #define AIROOLDIOCTL SIOCDEVPRIVATE 872 #define AIROOLDIDIFC AIROOLDIOCTL + 1 873 #endif /* SIOCDEVPRIVATE */ 874 #else /* SIOCIWFIRSTPRIV */ 875 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE 876 #endif /* SIOCIWFIRSTPRIV */ 877 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably 878 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root 879 * only and don't return the modified struct ifreq to the application which 880 * is usually a problem. - Jean II */ 881 #define AIROIOCTL SIOCIWFIRSTPRIV 882 #define AIROIDIFC AIROIOCTL + 1 883 884 /* Ioctl constants to be used in airo_ioctl.command */ 885 886 #define AIROGCAP 0 // Capability rid 887 #define AIROGCFG 1 // USED A LOT 888 #define AIROGSLIST 2 // System ID list 889 #define AIROGVLIST 3 // List of specified AP's 890 #define AIROGDRVNAM 4 // NOTUSED 891 #define AIROGEHTENC 5 // NOTUSED 892 #define AIROGWEPKTMP 6 893 #define AIROGWEPKNV 7 894 #define AIROGSTAT 8 895 #define AIROGSTATSC32 9 896 #define AIROGSTATSD32 10 897 #define AIROGMICRID 11 898 #define AIROGMICSTATS 12 899 #define AIROGFLAGS 13 900 #define AIROGID 14 901 #define AIRORRID 15 902 #define AIRORSWVERSION 17 903 904 /* Leave gap of 40 commands after AIROGSTATSD32 for future */ 905 906 #define AIROPCAP AIROGSTATSD32 + 40 907 #define AIROPVLIST AIROPCAP + 1 908 #define AIROPSLIST AIROPVLIST + 1 909 #define AIROPCFG AIROPSLIST + 1 910 #define AIROPSIDS AIROPCFG + 1 911 #define AIROPAPLIST AIROPSIDS + 1 912 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */ 913 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */ 914 #define AIROPSTCLR AIROPMACOFF + 1 915 #define AIROPWEPKEY AIROPSTCLR + 1 916 #define AIROPWEPKEYNV AIROPWEPKEY + 1 917 #define AIROPLEAPPWD AIROPWEPKEYNV + 1 918 #define AIROPLEAPUSR AIROPLEAPPWD + 1 919 920 /* Flash codes */ 921 922 #define AIROFLSHRST AIROPWEPKEYNV + 40 923 #define AIROFLSHGCHR AIROFLSHRST + 1 924 #define AIROFLSHSTFL AIROFLSHGCHR + 1 925 #define AIROFLSHPCHR AIROFLSHSTFL + 1 926 #define AIROFLPUTBUF AIROFLSHPCHR + 1 927 #define AIRORESTART AIROFLPUTBUF + 1 928 929 #define FLASHSIZE 32768 930 #define AUXMEMSIZE (256 * 1024) 931 932 typedef struct aironet_ioctl { 933 unsigned short command; // What to do 934 unsigned short len; // Len of data 935 unsigned short ridnum; // rid number 936 unsigned char __user *data; // d-data 937 } aironet_ioctl; 938 939 static const char swversion[] = "2.1"; 940 #endif /* CISCO_EXT */ 941 942 #define NUM_MODULES 2 943 #define MIC_MSGLEN_MAX 2400 944 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX 945 #define AIRO_DEF_MTU 2312 946 947 typedef struct { 948 u32 size; // size 949 u8 enabled; // MIC enabled or not 950 u32 rxSuccess; // successful packets received 951 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison 952 u32 rxNotMICed; // pkts dropped due to not being MIC'd 953 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed 954 u32 rxWrongSequence; // pkts dropped due to sequence number violation 955 u32 reserve[32]; 956 } mic_statistics; 957 958 typedef struct { 959 __be32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2]; 960 u64 accum; // accumulated mic, reduced to u32 in final() 961 int position; // current position (byte offset) in message 962 union { 963 u8 d8[4]; 964 __be32 d32; 965 } part; // saves partial message word across update() calls 966 } emmh32_context; 967 968 typedef struct { 969 emmh32_context seed; // Context - the seed 970 u32 rx; // Received sequence number 971 u32 tx; // Tx sequence number 972 u32 window; // Start of window 973 u8 valid; // Flag to say if context is valid or not 974 u8 key[16]; 975 } miccntx; 976 977 typedef struct { 978 miccntx mCtx; // Multicast context 979 miccntx uCtx; // Unicast context 980 } mic_module; 981 982 typedef struct { 983 unsigned int rid: 16; 984 unsigned int len: 15; 985 unsigned int valid: 1; 986 dma_addr_t host_addr; 987 } Rid; 988 989 typedef struct { 990 unsigned int offset: 15; 991 unsigned int eoc: 1; 992 unsigned int len: 15; 993 unsigned int valid: 1; 994 dma_addr_t host_addr; 995 } TxFid; 996 997 struct rx_hdr { 998 __le16 status, len; 999 u8 rssi[2]; 1000 u8 rate; 1001 u8 freq; 1002 __le16 tmp[4]; 1003 } __packed; 1004 1005 typedef struct { 1006 unsigned int ctl: 15; 1007 unsigned int rdy: 1; 1008 unsigned int len: 15; 1009 unsigned int valid: 1; 1010 dma_addr_t host_addr; 1011 } RxFid; 1012 1013 /* 1014 * Host receive descriptor 1015 */ 1016 typedef struct { 1017 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1018 desc */ 1019 RxFid rx_desc; /* card receive descriptor */ 1020 char *virtual_host_addr; /* virtual address of host receive 1021 buffer */ 1022 int pending; 1023 } HostRxDesc; 1024 1025 /* 1026 * Host transmit descriptor 1027 */ 1028 typedef struct { 1029 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1030 desc */ 1031 TxFid tx_desc; /* card transmit descriptor */ 1032 char *virtual_host_addr; /* virtual address of host receive 1033 buffer */ 1034 int pending; 1035 } HostTxDesc; 1036 1037 /* 1038 * Host RID descriptor 1039 */ 1040 typedef struct { 1041 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1042 descriptor */ 1043 Rid rid_desc; /* card RID descriptor */ 1044 char *virtual_host_addr; /* virtual address of host receive 1045 buffer */ 1046 } HostRidDesc; 1047 1048 typedef struct { 1049 u16 sw0; 1050 u16 sw1; 1051 u16 status; 1052 u16 len; 1053 #define HOST_SET (1 << 0) 1054 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */ 1055 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */ 1056 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */ 1057 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */ 1058 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */ 1059 #define HOST_CLR_AID (1 << 7) /* clear AID failure */ 1060 #define HOST_RTS (1 << 9) /* Force RTS use */ 1061 #define HOST_SHORT (1 << 10) /* Do short preamble */ 1062 u16 ctl; 1063 u16 aid; 1064 u16 retries; 1065 u16 fill; 1066 } TxCtlHdr; 1067 1068 typedef struct { 1069 u16 ctl; 1070 u16 duration; 1071 char addr1[6]; 1072 char addr2[6]; 1073 char addr3[6]; 1074 u16 seq; 1075 char addr4[6]; 1076 } WifiHdr; 1077 1078 1079 typedef struct { 1080 TxCtlHdr ctlhdr; 1081 u16 fill1; 1082 u16 fill2; 1083 WifiHdr wifihdr; 1084 u16 gaplen; 1085 u16 status; 1086 } WifiCtlHdr; 1087 1088 static WifiCtlHdr wifictlhdr8023 = { 1089 .ctlhdr = { 1090 .ctl = HOST_DONT_RLSE, 1091 } 1092 }; 1093 1094 // A few details needed for WEP (Wireless Equivalent Privacy) 1095 #define MAX_KEY_SIZE 13 // 128 (?) bits 1096 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP 1097 typedef struct wep_key_t { 1098 u16 len; 1099 u8 key[16]; /* 40-bit and 104-bit keys */ 1100 } wep_key_t; 1101 1102 /* List of Wireless Handlers (new API) */ 1103 static const struct iw_handler_def airo_handler_def; 1104 1105 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)"; 1106 1107 struct airo_info; 1108 1109 static int get_dec_u16(char *buffer, int *start, int limit); 1110 static void OUT4500(struct airo_info *, u16 reg, u16 value); 1111 static unsigned short IN4500(struct airo_info *, u16 reg); 1112 static u16 setup_card(struct airo_info*, u8 *mac, int lock); 1113 static int enable_MAC(struct airo_info *ai, int lock); 1114 static void disable_MAC(struct airo_info *ai, int lock); 1115 static void enable_interrupts(struct airo_info*); 1116 static void disable_interrupts(struct airo_info*); 1117 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp, 1118 bool may_sleep); 1119 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap); 1120 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, 1121 int whichbap); 1122 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, 1123 int whichbap); 1124 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen, 1125 int whichbap); 1126 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd); 1127 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock); 1128 static int PC4500_writerid(struct airo_info*, u16 rid, const void 1129 *pBuf, int len, int lock); 1130 static int do_writerid(struct airo_info*, u16 rid, const void *rid_data, 1131 int len, int dummy); 1132 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw); 1133 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket, 1134 bool may_sleep); 1135 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket, 1136 bool may_sleep); 1137 1138 static int mpi_send_packet(struct net_device *dev); 1139 static void mpi_unmap_card(struct pci_dev *pci); 1140 static void mpi_receive_802_3(struct airo_info *ai); 1141 static void mpi_receive_802_11(struct airo_info *ai); 1142 static int waitbusy(struct airo_info *ai); 1143 1144 static irqreturn_t airo_interrupt(int irq, void* dev_id); 1145 static int airo_thread(void *data); 1146 static void timer_func(struct net_device *dev); 1147 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 1148 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev); 1149 #ifdef CISCO_EXT 1150 static int readrids(struct net_device *dev, aironet_ioctl *comp); 1151 static int writerids(struct net_device *dev, aironet_ioctl *comp); 1152 static int flashcard(struct net_device *dev, aironet_ioctl *comp); 1153 #endif /* CISCO_EXT */ 1154 static void micinit(struct airo_info *ai); 1155 static int micsetup(struct airo_info *ai); 1156 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len); 1157 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen); 1158 1159 static u8 airo_rssi_to_dbm(tdsRssiEntry *rssi_rid, u8 rssi); 1160 static u8 airo_dbm_to_pct(tdsRssiEntry *rssi_rid, u8 dbm); 1161 1162 static void airo_networks_free(struct airo_info *ai); 1163 1164 struct airo_info { 1165 struct net_device *dev; 1166 struct list_head dev_list; 1167 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we 1168 use the high bit to mark whether it is in use. */ 1169 #define MAX_FIDS 6 1170 #define MPI_MAX_FIDS 1 1171 u32 fids[MAX_FIDS]; 1172 ConfigRid config; 1173 char keyindex; // Used with auto wep 1174 char defindex; // Used with auto wep 1175 struct proc_dir_entry *proc_entry; 1176 spinlock_t aux_lock; 1177 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */ 1178 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */ 1179 #define FLAG_RADIO_MASK 0x03 1180 #define FLAG_ENABLED 2 1181 #define FLAG_ADHOC 3 /* Needed by MIC */ 1182 #define FLAG_MIC_CAPABLE 4 1183 #define FLAG_UPDATE_MULTI 5 1184 #define FLAG_UPDATE_UNI 6 1185 #define FLAG_802_11 7 1186 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ 1187 #define FLAG_PENDING_XMIT 9 1188 #define FLAG_PENDING_XMIT11 10 1189 #define FLAG_MPI 11 1190 #define FLAG_REGISTERED 12 1191 #define FLAG_COMMIT 13 1192 #define FLAG_RESET 14 1193 #define FLAG_FLASHING 15 1194 #define FLAG_WPA_CAPABLE 16 1195 unsigned long flags; 1196 #define JOB_DIE 0 1197 #define JOB_XMIT 1 1198 #define JOB_XMIT11 2 1199 #define JOB_STATS 3 1200 #define JOB_PROMISC 4 1201 #define JOB_MIC 5 1202 #define JOB_EVENT 6 1203 #define JOB_AUTOWEP 7 1204 #define JOB_SCAN_RESULTS 9 1205 unsigned long jobs; 1206 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen, 1207 int whichbap); 1208 unsigned short *flash; 1209 tdsRssiEntry *rssi; 1210 struct task_struct *list_bss_task; 1211 struct task_struct *airo_thread_task; 1212 struct semaphore sem; 1213 wait_queue_head_t thr_wait; 1214 unsigned long expires; 1215 struct { 1216 struct sk_buff *skb; 1217 int fid; 1218 } xmit, xmit11; 1219 struct net_device *wifidev; 1220 struct iw_statistics wstats; // wireless stats 1221 unsigned long scan_timeout; /* Time scan should be read */ 1222 struct iw_spy_data spy_data; 1223 struct iw_public_data wireless_data; 1224 /* MIC stuff */ 1225 struct crypto_sync_skcipher *tfm; 1226 mic_module mod[2]; 1227 mic_statistics micstats; 1228 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors 1229 HostTxDesc txfids[MPI_MAX_FIDS]; 1230 HostRidDesc config_desc; 1231 unsigned long ridbus; // phys addr of config_desc 1232 struct sk_buff_head txq;// tx queue used by mpi350 code 1233 struct pci_dev *pci; 1234 unsigned char __iomem *pcimem; 1235 unsigned char __iomem *pciaux; 1236 unsigned char *shared; 1237 dma_addr_t shared_dma; 1238 pm_message_t power; 1239 SsidRid *SSID; 1240 APListRid APList; 1241 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE 1242 char proc_name[IFNAMSIZ]; 1243 1244 int wep_capable; 1245 int max_wep_idx; 1246 int last_auth; 1247 1248 /* WPA-related stuff */ 1249 unsigned int bssListFirst; 1250 unsigned int bssListNext; 1251 unsigned int bssListRidLen; 1252 1253 struct list_head network_list; 1254 struct list_head network_free_list; 1255 BSSListElement *networks; 1256 }; 1257 1258 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen, 1259 int whichbap) 1260 { 1261 return ai->bap_read(ai, pu16Dst, bytelen, whichbap); 1262 } 1263 1264 static int setup_proc_entry(struct net_device *dev, 1265 struct airo_info *apriv); 1266 static int takedown_proc_entry(struct net_device *dev, 1267 struct airo_info *apriv); 1268 1269 static int cmdreset(struct airo_info *ai); 1270 static int setflashmode(struct airo_info *ai); 1271 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime); 1272 static int flashputbuf(struct airo_info *ai); 1273 static int flashrestart(struct airo_info *ai, struct net_device *dev); 1274 1275 #define airo_print(type, name, fmt, args...) \ 1276 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args) 1277 1278 #define airo_print_info(name, fmt, args...) \ 1279 airo_print(KERN_INFO, name, fmt, ##args) 1280 1281 #define airo_print_dbg(name, fmt, args...) \ 1282 airo_print(KERN_DEBUG, name, fmt, ##args) 1283 1284 #define airo_print_warn(name, fmt, args...) \ 1285 airo_print(KERN_WARNING, name, fmt, ##args) 1286 1287 #define airo_print_err(name, fmt, args...) \ 1288 airo_print(KERN_ERR, name, fmt, ##args) 1289 1290 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash) 1291 1292 /*********************************************************************** 1293 * MIC ROUTINES * 1294 *********************************************************************** 1295 */ 1296 1297 static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq); 1298 static void MoveWindow(miccntx *context, u32 micSeq); 1299 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, 1300 struct crypto_sync_skcipher *tfm); 1301 static void emmh32_init(emmh32_context *context); 1302 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len); 1303 static void emmh32_final(emmh32_context *context, u8 digest[4]); 1304 static int flashpchar(struct airo_info *ai, int byte, int dwelltime); 1305 1306 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len, 1307 struct crypto_sync_skcipher *tfm) 1308 { 1309 /* If the current MIC context is valid and its key is the same as 1310 * the MIC register, there's nothing to do. 1311 */ 1312 if (cur->valid && (memcmp(cur->key, key, key_len) == 0)) 1313 return; 1314 1315 /* Age current mic Context */ 1316 memcpy(old, cur, sizeof(*cur)); 1317 1318 /* Initialize new context */ 1319 memcpy(cur->key, key, key_len); 1320 cur->window = 33; /* Window always points to the middle */ 1321 cur->rx = 0; /* Rx Sequence numbers */ 1322 cur->tx = 0; /* Tx sequence numbers */ 1323 cur->valid = 1; /* Key is now valid */ 1324 1325 /* Give key to mic seed */ 1326 emmh32_setseed(&cur->seed, key, key_len, tfm); 1327 } 1328 1329 /* micinit - Initialize mic seed */ 1330 1331 static void micinit(struct airo_info *ai) 1332 { 1333 MICRid mic_rid; 1334 1335 clear_bit(JOB_MIC, &ai->jobs); 1336 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0); 1337 up(&ai->sem); 1338 1339 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0; 1340 if (!ai->micstats.enabled) { 1341 /* So next time we have a valid key and mic is enabled, we will 1342 * update the sequence number if the key is the same as before. 1343 */ 1344 ai->mod[0].uCtx.valid = 0; 1345 ai->mod[0].mCtx.valid = 0; 1346 return; 1347 } 1348 1349 if (mic_rid.multicastValid) { 1350 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx, 1351 mic_rid.multicast, sizeof(mic_rid.multicast), 1352 ai->tfm); 1353 } 1354 1355 if (mic_rid.unicastValid) { 1356 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx, 1357 mic_rid.unicast, sizeof(mic_rid.unicast), 1358 ai->tfm); 1359 } 1360 } 1361 1362 /* micsetup - Get ready for business */ 1363 1364 static int micsetup(struct airo_info *ai) 1365 { 1366 int i; 1367 1368 if (ai->tfm == NULL) 1369 ai->tfm = crypto_alloc_sync_skcipher("ctr(aes)", 0, 0); 1370 1371 if (IS_ERR(ai->tfm)) { 1372 airo_print_err(ai->dev->name, "failed to load transform for AES"); 1373 ai->tfm = NULL; 1374 return ERROR; 1375 } 1376 1377 for (i = 0; i < NUM_MODULES; i++) { 1378 memset(&ai->mod[i].mCtx, 0, sizeof(miccntx)); 1379 memset(&ai->mod[i].uCtx, 0, sizeof(miccntx)); 1380 } 1381 return SUCCESS; 1382 } 1383 1384 static const u8 micsnap[] = {0xAA, 0xAA, 0x03, 0x00, 0x40, 0x96, 0x00, 0x02}; 1385 1386 /*=========================================================================== 1387 * Description: Mic a packet 1388 * 1389 * Inputs: etherHead * pointer to an 802.3 frame 1390 * 1391 * Returns: BOOLEAN if successful, otherwise false. 1392 * PacketTxLen will be updated with the mic'd packets size. 1393 * 1394 * Caveats: It is assumed that the frame buffer will already 1395 * be big enough to hold the largets mic message possible. 1396 * (No memory allocation is done here). 1397 * 1398 * Author: sbraneky (10/15/01) 1399 * Merciless hacks by rwilcher (1/14/02) 1400 */ 1401 1402 static int encapsulate(struct airo_info *ai, etherHead *frame, MICBuffer *mic, int payLen) 1403 { 1404 miccntx *context; 1405 1406 // Determine correct context 1407 // If not adhoc, always use unicast key 1408 1409 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1)) 1410 context = &ai->mod[0].mCtx; 1411 else 1412 context = &ai->mod[0].uCtx; 1413 1414 if (!context->valid) 1415 return ERROR; 1416 1417 mic->typelen = htons(payLen + 16); //Length of Mic'd packet 1418 1419 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap 1420 1421 // Add Tx sequence 1422 mic->seq = htonl(context->tx); 1423 context->tx += 2; 1424 1425 emmh32_init(&context->seed); // Mic the packet 1426 emmh32_update(&context->seed, frame->da, ETH_ALEN * 2); // DA, SA 1427 emmh32_update(&context->seed, (u8*)&mic->typelen, 10); // Type/Length and Snap 1428 emmh32_update(&context->seed, (u8*)&mic->seq, sizeof(mic->seq)); //SEQ 1429 emmh32_update(&context->seed, (u8*)(frame + 1), payLen); //payload 1430 emmh32_final(&context->seed, (u8*)&mic->mic); 1431 1432 /* New Type/length ?????????? */ 1433 mic->typelen = 0; //Let NIC know it could be an oversized packet 1434 return SUCCESS; 1435 } 1436 1437 typedef enum { 1438 NONE, 1439 NOMIC, 1440 NOMICPLUMMED, 1441 SEQUENCE, 1442 INCORRECTMIC, 1443 } mic_error; 1444 1445 /*=========================================================================== 1446 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet 1447 * (removes the MIC stuff) if packet is a valid packet. 1448 * 1449 * Inputs: etherHead pointer to the 802.3 packet 1450 * 1451 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE 1452 * 1453 * Author: sbraneky (10/15/01) 1454 * Merciless hacks by rwilcher (1/14/02) 1455 *--------------------------------------------------------------------------- 1456 */ 1457 1458 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen) 1459 { 1460 int i; 1461 u32 micSEQ; 1462 miccntx *context; 1463 u8 digest[4]; 1464 mic_error micError = NONE; 1465 1466 // Check if the packet is a Mic'd packet 1467 1468 if (!ai->micstats.enabled) { 1469 //No Mic set or Mic OFF but we received a MIC'd packet. 1470 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) { 1471 ai->micstats.rxMICPlummed++; 1472 return ERROR; 1473 } 1474 return SUCCESS; 1475 } 1476 1477 if (ntohs(mic->typelen) == 0x888E) 1478 return SUCCESS; 1479 1480 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) { 1481 // Mic enabled but packet isn't Mic'd 1482 ai->micstats.rxMICPlummed++; 1483 return ERROR; 1484 } 1485 1486 micSEQ = ntohl(mic->seq); //store SEQ as CPU order 1487 1488 //At this point we a have a mic'd packet and mic is enabled 1489 //Now do the mic error checking. 1490 1491 //Receive seq must be odd 1492 if ((micSEQ & 1) == 0) { 1493 ai->micstats.rxWrongSequence++; 1494 return ERROR; 1495 } 1496 1497 for (i = 0; i < NUM_MODULES; i++) { 1498 int mcast = eth->da[0] & 1; 1499 //Determine proper context 1500 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx; 1501 1502 //Make sure context is valid 1503 if (!context->valid) { 1504 if (i == 0) 1505 micError = NOMICPLUMMED; 1506 continue; 1507 } 1508 //DeMic it 1509 1510 if (!mic->typelen) 1511 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2); 1512 1513 emmh32_init(&context->seed); 1514 emmh32_update(&context->seed, eth->da, ETH_ALEN*2); 1515 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap)); 1516 emmh32_update(&context->seed, (u8 *)&mic->seq, sizeof(mic->seq)); 1517 emmh32_update(&context->seed, (u8 *)(eth + 1), payLen); 1518 //Calculate MIC 1519 emmh32_final(&context->seed, digest); 1520 1521 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match 1522 //Invalid Mic 1523 if (i == 0) 1524 micError = INCORRECTMIC; 1525 continue; 1526 } 1527 1528 //Check Sequence number if mics pass 1529 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) { 1530 ai->micstats.rxSuccess++; 1531 return SUCCESS; 1532 } 1533 if (i == 0) 1534 micError = SEQUENCE; 1535 } 1536 1537 // Update statistics 1538 switch (micError) { 1539 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break; 1540 case SEQUENCE: ai->micstats.rxWrongSequence++; break; 1541 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break; 1542 case NONE: break; 1543 case NOMIC: break; 1544 } 1545 return ERROR; 1546 } 1547 1548 /*=========================================================================== 1549 * Description: Checks the Rx Seq number to make sure it is valid 1550 * and hasn't already been received 1551 * 1552 * Inputs: miccntx - mic context to check seq against 1553 * micSeq - the Mic seq number 1554 * 1555 * Returns: TRUE if valid otherwise FALSE. 1556 * 1557 * Author: sbraneky (10/15/01) 1558 * Merciless hacks by rwilcher (1/14/02) 1559 *--------------------------------------------------------------------------- 1560 */ 1561 1562 static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq) 1563 { 1564 u32 seq, index; 1565 1566 //Allow for the ap being rebooted - if it is then use the next 1567 //sequence number of the current sequence number - might go backwards 1568 1569 if (mcast) { 1570 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) { 1571 clear_bit (FLAG_UPDATE_MULTI, &ai->flags); 1572 context->window = (micSeq > 33) ? micSeq : 33; 1573 context->rx = 0; // Reset rx 1574 } 1575 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) { 1576 clear_bit (FLAG_UPDATE_UNI, &ai->flags); 1577 context->window = (micSeq > 33) ? micSeq : 33; // Move window 1578 context->rx = 0; // Reset rx 1579 } 1580 1581 //Make sequence number relative to START of window 1582 seq = micSeq - (context->window - 33); 1583 1584 //Too old of a SEQ number to check. 1585 if ((s32)seq < 0) 1586 return ERROR; 1587 1588 if (seq > 64) { 1589 //Window is infinite forward 1590 MoveWindow(context, micSeq); 1591 return SUCCESS; 1592 } 1593 1594 // We are in the window. Now check the context rx bit to see if it was already sent 1595 seq >>= 1; //divide by 2 because we only have odd numbers 1596 index = 1 << seq; //Get an index number 1597 1598 if (!(context->rx & index)) { 1599 //micSEQ falls inside the window. 1600 //Add seqence number to the list of received numbers. 1601 context->rx |= index; 1602 1603 MoveWindow(context, micSeq); 1604 1605 return SUCCESS; 1606 } 1607 return ERROR; 1608 } 1609 1610 static void MoveWindow(miccntx *context, u32 micSeq) 1611 { 1612 u32 shift; 1613 1614 //Move window if seq greater than the middle of the window 1615 if (micSeq > context->window) { 1616 shift = (micSeq - context->window) >> 1; 1617 1618 //Shift out old 1619 if (shift < 32) 1620 context->rx >>= shift; 1621 else 1622 context->rx = 0; 1623 1624 context->window = micSeq; //Move window 1625 } 1626 } 1627 1628 /*==============================================*/ 1629 /*========== EMMH ROUTINES ====================*/ 1630 /*==============================================*/ 1631 1632 /* mic accumulate */ 1633 #define MIC_ACCUM(val) \ 1634 context->accum += (u64)(val) * be32_to_cpu(context->coeff[coeff_position++]); 1635 1636 /* expand the key to fill the MMH coefficient array */ 1637 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, 1638 struct crypto_sync_skcipher *tfm) 1639 { 1640 /* take the keying material, expand if necessary, truncate at 16-bytes */ 1641 /* run through AES counter mode to generate context->coeff[] */ 1642 1643 SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm); 1644 struct scatterlist sg; 1645 u8 iv[AES_BLOCK_SIZE] = {}; 1646 int ret; 1647 1648 crypto_sync_skcipher_setkey(tfm, pkey, 16); 1649 1650 memset(context->coeff, 0, sizeof(context->coeff)); 1651 sg_init_one(&sg, context->coeff, sizeof(context->coeff)); 1652 1653 skcipher_request_set_sync_tfm(req, tfm); 1654 skcipher_request_set_callback(req, 0, NULL, NULL); 1655 skcipher_request_set_crypt(req, &sg, &sg, sizeof(context->coeff), iv); 1656 1657 ret = crypto_skcipher_encrypt(req); 1658 WARN_ON_ONCE(ret); 1659 } 1660 1661 /* prepare for calculation of a new mic */ 1662 static void emmh32_init(emmh32_context *context) 1663 { 1664 /* prepare for new mic calculation */ 1665 context->accum = 0; 1666 context->position = 0; 1667 } 1668 1669 /* add some bytes to the mic calculation */ 1670 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len) 1671 { 1672 int coeff_position, byte_position; 1673 1674 if (len == 0) return; 1675 1676 coeff_position = context->position >> 2; 1677 1678 /* deal with partial 32-bit word left over from last update */ 1679 byte_position = context->position & 3; 1680 if (byte_position) { 1681 /* have a partial word in part to deal with */ 1682 do { 1683 if (len == 0) return; 1684 context->part.d8[byte_position++] = *pOctets++; 1685 context->position++; 1686 len--; 1687 } while (byte_position < 4); 1688 MIC_ACCUM(ntohl(context->part.d32)); 1689 } 1690 1691 /* deal with full 32-bit words */ 1692 while (len >= 4) { 1693 MIC_ACCUM(ntohl(*(__be32 *)pOctets)); 1694 context->position += 4; 1695 pOctets += 4; 1696 len -= 4; 1697 } 1698 1699 /* deal with partial 32-bit word that will be left over from this update */ 1700 byte_position = 0; 1701 while (len > 0) { 1702 context->part.d8[byte_position++] = *pOctets++; 1703 context->position++; 1704 len--; 1705 } 1706 } 1707 1708 /* mask used to zero empty bytes for final partial word */ 1709 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L }; 1710 1711 /* calculate the mic */ 1712 static void emmh32_final(emmh32_context *context, u8 digest[4]) 1713 { 1714 int coeff_position, byte_position; 1715 u32 val; 1716 1717 u64 sum, utmp; 1718 s64 stmp; 1719 1720 coeff_position = context->position >> 2; 1721 1722 /* deal with partial 32-bit word left over from last update */ 1723 byte_position = context->position & 3; 1724 if (byte_position) { 1725 /* have a partial word in part to deal with */ 1726 val = ntohl(context->part.d32); 1727 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */ 1728 } 1729 1730 /* reduce the accumulated u64 to a 32-bit MIC */ 1731 sum = context->accum; 1732 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15); 1733 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15); 1734 sum = utmp & 0xffffffffLL; 1735 if (utmp > 0x10000000fLL) 1736 sum -= 15; 1737 1738 val = (u32)sum; 1739 digest[0] = (val>>24) & 0xFF; 1740 digest[1] = (val>>16) & 0xFF; 1741 digest[2] = (val>>8) & 0xFF; 1742 digest[3] = val & 0xFF; 1743 } 1744 1745 static int readBSSListRid(struct airo_info *ai, int first, 1746 BSSListRid *list) 1747 { 1748 Cmd cmd; 1749 Resp rsp; 1750 1751 if (first == 1) { 1752 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 1753 memset(&cmd, 0, sizeof(cmd)); 1754 cmd.cmd = CMD_LISTBSS; 1755 if (down_interruptible(&ai->sem)) 1756 return -ERESTARTSYS; 1757 ai->list_bss_task = current; 1758 issuecommand(ai, &cmd, &rsp, true); 1759 up(&ai->sem); 1760 /* Let the command take effect */ 1761 schedule_timeout_uninterruptible(3 * HZ); 1762 ai->list_bss_task = NULL; 1763 } 1764 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext, 1765 list, ai->bssListRidLen, 1); 1766 } 1767 1768 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock) 1769 { 1770 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM, 1771 wkr, sizeof(*wkr), lock); 1772 } 1773 1774 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock) 1775 { 1776 int rc; 1777 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock); 1778 if (rc!=SUCCESS) 1779 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc); 1780 if (perm) { 1781 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock); 1782 if (rc!=SUCCESS) 1783 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc); 1784 } 1785 return rc; 1786 } 1787 1788 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) 1789 { 1790 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1); 1791 } 1792 1793 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) 1794 { 1795 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock); 1796 } 1797 1798 static int readConfigRid(struct airo_info *ai, int lock) 1799 { 1800 int rc; 1801 ConfigRid cfg; 1802 1803 if (ai->config.len) 1804 return SUCCESS; 1805 1806 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock); 1807 if (rc != SUCCESS) 1808 return rc; 1809 1810 ai->config = cfg; 1811 return SUCCESS; 1812 } 1813 1814 static inline void checkThrottle(struct airo_info *ai) 1815 { 1816 int i; 1817 /* Old hardware had a limit on encryption speed */ 1818 if (ai->config.authType != AUTH_OPEN && maxencrypt) { 1819 for (i = 0; i<8; i++) { 1820 if (ai->config.rates[i] > maxencrypt) { 1821 ai->config.rates[i] = 0; 1822 } 1823 } 1824 } 1825 } 1826 1827 static int writeConfigRid(struct airo_info *ai, int lock) 1828 { 1829 ConfigRid cfgr; 1830 1831 if (!test_bit (FLAG_COMMIT, &ai->flags)) 1832 return SUCCESS; 1833 1834 clear_bit (FLAG_COMMIT, &ai->flags); 1835 clear_bit (FLAG_RESET, &ai->flags); 1836 checkThrottle(ai); 1837 cfgr = ai->config; 1838 1839 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 1840 set_bit(FLAG_ADHOC, &ai->flags); 1841 else 1842 clear_bit(FLAG_ADHOC, &ai->flags); 1843 1844 return PC4500_writerid(ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock); 1845 } 1846 1847 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock) 1848 { 1849 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock); 1850 } 1851 1852 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock) 1853 { 1854 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock); 1855 } 1856 1857 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock) 1858 { 1859 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock); 1860 } 1861 1862 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) 1863 { 1864 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock); 1865 } 1866 1867 static void try_auto_wep(struct airo_info *ai) 1868 { 1869 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) { 1870 ai->expires = RUN_AT(3*HZ); 1871 wake_up_interruptible(&ai->thr_wait); 1872 } 1873 } 1874 1875 static int airo_open(struct net_device *dev) 1876 { 1877 struct airo_info *ai = dev->ml_priv; 1878 int rc = 0; 1879 1880 if (test_bit(FLAG_FLASHING, &ai->flags)) 1881 return -EIO; 1882 1883 /* Make sure the card is configured. 1884 * Wireless Extensions may postpone config changes until the card 1885 * is open (to pipeline changes and speed-up card setup). If 1886 * those changes are not yet committed, do it now - Jean II */ 1887 if (test_bit(FLAG_COMMIT, &ai->flags)) { 1888 disable_MAC(ai, 1); 1889 writeConfigRid(ai, 1); 1890 } 1891 1892 if (ai->wifidev != dev) { 1893 clear_bit(JOB_DIE, &ai->jobs); 1894 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s", 1895 dev->name); 1896 if (IS_ERR(ai->airo_thread_task)) 1897 return (int)PTR_ERR(ai->airo_thread_task); 1898 1899 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED, 1900 dev->name, dev); 1901 if (rc) { 1902 airo_print_err(dev->name, 1903 "register interrupt %d failed, rc %d", 1904 dev->irq, rc); 1905 set_bit(JOB_DIE, &ai->jobs); 1906 kthread_stop(ai->airo_thread_task); 1907 return rc; 1908 } 1909 1910 /* Power on the MAC controller (which may have been disabled) */ 1911 clear_bit(FLAG_RADIO_DOWN, &ai->flags); 1912 enable_interrupts(ai); 1913 1914 try_auto_wep(ai); 1915 } 1916 enable_MAC(ai, 1); 1917 1918 netif_start_queue(dev); 1919 return 0; 1920 } 1921 1922 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb, 1923 struct net_device *dev) 1924 { 1925 int npacks, pending; 1926 unsigned long flags; 1927 struct airo_info *ai = dev->ml_priv; 1928 1929 if (!skb) { 1930 airo_print_err(dev->name, "%s: skb == NULL!",__func__); 1931 return NETDEV_TX_OK; 1932 } 1933 if (skb_padto(skb, ETH_ZLEN)) { 1934 dev->stats.tx_dropped++; 1935 return NETDEV_TX_OK; 1936 } 1937 npacks = skb_queue_len (&ai->txq); 1938 1939 if (npacks >= MAXTXQ - 1) { 1940 netif_stop_queue (dev); 1941 if (npacks > MAXTXQ) { 1942 dev->stats.tx_fifo_errors++; 1943 return NETDEV_TX_BUSY; 1944 } 1945 skb_queue_tail (&ai->txq, skb); 1946 return NETDEV_TX_OK; 1947 } 1948 1949 spin_lock_irqsave(&ai->aux_lock, flags); 1950 skb_queue_tail (&ai->txq, skb); 1951 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags); 1952 spin_unlock_irqrestore(&ai->aux_lock, flags); 1953 netif_wake_queue (dev); 1954 1955 if (pending == 0) { 1956 set_bit(FLAG_PENDING_XMIT, &ai->flags); 1957 mpi_send_packet (dev); 1958 } 1959 return NETDEV_TX_OK; 1960 } 1961 1962 /* 1963 * @mpi_send_packet 1964 * 1965 * Attempt to transmit a packet. Can be called from interrupt 1966 * or transmit . return number of packets we tried to send 1967 */ 1968 1969 static int mpi_send_packet (struct net_device *dev) 1970 { 1971 struct sk_buff *skb; 1972 unsigned char *buffer; 1973 s16 len; 1974 __le16 *payloadLen; 1975 struct airo_info *ai = dev->ml_priv; 1976 u8 *sendbuf; 1977 1978 /* get a packet to send */ 1979 1980 if ((skb = skb_dequeue(&ai->txq)) == NULL) { 1981 airo_print_err(dev->name, 1982 "%s: Dequeue'd zero in send_packet()", 1983 __func__); 1984 return 0; 1985 } 1986 1987 /* check min length*/ 1988 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 1989 buffer = skb->data; 1990 1991 ai->txfids[0].tx_desc.offset = 0; 1992 ai->txfids[0].tx_desc.valid = 1; 1993 ai->txfids[0].tx_desc.eoc = 1; 1994 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr); 1995 1996 /* 1997 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer 1998 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen 1999 * is immediately after it. ------------------------------------------------ 2000 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA| 2001 * ------------------------------------------------ 2002 */ 2003 2004 memcpy(ai->txfids[0].virtual_host_addr, 2005 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023)); 2006 2007 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr + 2008 sizeof(wifictlhdr8023)); 2009 sendbuf = ai->txfids[0].virtual_host_addr + 2010 sizeof(wifictlhdr8023) + 2 ; 2011 2012 /* 2013 * Firmware automatically puts 802 header on so 2014 * we don't need to account for it in the length 2015 */ 2016 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 2017 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) { 2018 MICBuffer pMic; 2019 2020 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS) 2021 return ERROR; 2022 2023 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic)); 2024 ai->txfids[0].tx_desc.len += sizeof(pMic); 2025 /* copy data into airo dma buffer */ 2026 memcpy (sendbuf, buffer, sizeof(etherHead)); 2027 buffer += sizeof(etherHead); 2028 sendbuf += sizeof(etherHead); 2029 memcpy (sendbuf, &pMic, sizeof(pMic)); 2030 sendbuf += sizeof(pMic); 2031 memcpy (sendbuf, buffer, len - sizeof(etherHead)); 2032 } else { 2033 *payloadLen = cpu_to_le16(len - sizeof(etherHead)); 2034 2035 netif_trans_update(dev); 2036 2037 /* copy data into airo dma buffer */ 2038 memcpy(sendbuf, buffer, len); 2039 } 2040 2041 memcpy_toio(ai->txfids[0].card_ram_off, 2042 &ai->txfids[0].tx_desc, sizeof(TxFid)); 2043 2044 OUT4500(ai, EVACK, 8); 2045 2046 dev_kfree_skb_any(skb); 2047 return 1; 2048 } 2049 2050 static void get_tx_error(struct airo_info *ai, s32 fid) 2051 { 2052 __le16 status; 2053 2054 if (fid < 0) 2055 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status; 2056 else { 2057 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS) 2058 return; 2059 bap_read(ai, &status, 2, BAP0); 2060 } 2061 if (le16_to_cpu(status) & 2) /* Too many retries */ 2062 ai->dev->stats.tx_aborted_errors++; 2063 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */ 2064 ai->dev->stats.tx_heartbeat_errors++; 2065 if (le16_to_cpu(status) & 8) /* Aid fail */ 2066 { } 2067 if (le16_to_cpu(status) & 0x10) /* MAC disabled */ 2068 ai->dev->stats.tx_carrier_errors++; 2069 if (le16_to_cpu(status) & 0x20) /* Association lost */ 2070 { } 2071 /* We produce a TXDROP event only for retry or lifetime 2072 * exceeded, because that's the only status that really mean 2073 * that this particular node went away. 2074 * Other errors means that *we* screwed up. - Jean II */ 2075 if ((le16_to_cpu(status) & 2) || 2076 (le16_to_cpu(status) & 4)) { 2077 union iwreq_data wrqu; 2078 char junk[0x18]; 2079 2080 /* Faster to skip over useless data than to do 2081 * another bap_setup(). We are at offset 0x6 and 2082 * need to go to 0x18 and read 6 bytes - Jean II */ 2083 bap_read(ai, (__le16 *) junk, 0x18, BAP0); 2084 2085 /* Copy 802.11 dest address. 2086 * We use the 802.11 header because the frame may 2087 * not be 802.3 or may be mangled... 2088 * In Ad-Hoc mode, it will be the node address. 2089 * In managed mode, it will be most likely the AP addr 2090 * User space will figure out how to convert it to 2091 * whatever it needs (IP address or else). 2092 * - Jean II */ 2093 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN); 2094 wrqu.addr.sa_family = ARPHRD_ETHER; 2095 2096 /* Send event to user space */ 2097 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL); 2098 } 2099 } 2100 2101 static void airo_end_xmit(struct net_device *dev, bool may_sleep) 2102 { 2103 u16 status; 2104 int i; 2105 struct airo_info *priv = dev->ml_priv; 2106 struct sk_buff *skb = priv->xmit.skb; 2107 int fid = priv->xmit.fid; 2108 u32 *fids = priv->fids; 2109 2110 clear_bit(JOB_XMIT, &priv->jobs); 2111 clear_bit(FLAG_PENDING_XMIT, &priv->flags); 2112 status = transmit_802_3_packet(priv, fids[fid], skb->data, may_sleep); 2113 up(&priv->sem); 2114 2115 i = 0; 2116 if (status == SUCCESS) { 2117 netif_trans_update(dev); 2118 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++); 2119 } else { 2120 priv->fids[fid] &= 0xffff; 2121 dev->stats.tx_window_errors++; 2122 } 2123 if (i < MAX_FIDS / 2) 2124 netif_wake_queue(dev); 2125 dev_kfree_skb(skb); 2126 } 2127 2128 static netdev_tx_t airo_start_xmit(struct sk_buff *skb, 2129 struct net_device *dev) 2130 { 2131 s16 len; 2132 int i, j; 2133 struct airo_info *priv = dev->ml_priv; 2134 u32 *fids = priv->fids; 2135 2136 if (skb == NULL) { 2137 airo_print_err(dev->name, "%s: skb == NULL!", __func__); 2138 return NETDEV_TX_OK; 2139 } 2140 if (skb_padto(skb, ETH_ZLEN)) { 2141 dev->stats.tx_dropped++; 2142 return NETDEV_TX_OK; 2143 } 2144 2145 /* Find a vacant FID */ 2146 for (i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++); 2147 for (j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++); 2148 2149 if (j >= MAX_FIDS / 2) { 2150 netif_stop_queue(dev); 2151 2152 if (i == MAX_FIDS / 2) { 2153 dev->stats.tx_fifo_errors++; 2154 return NETDEV_TX_BUSY; 2155 } 2156 } 2157 /* check min length*/ 2158 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 2159 /* Mark fid as used & save length for later */ 2160 fids[i] |= (len << 16); 2161 priv->xmit.skb = skb; 2162 priv->xmit.fid = i; 2163 if (down_trylock(&priv->sem) != 0) { 2164 set_bit(FLAG_PENDING_XMIT, &priv->flags); 2165 netif_stop_queue(dev); 2166 set_bit(JOB_XMIT, &priv->jobs); 2167 wake_up_interruptible(&priv->thr_wait); 2168 } else 2169 airo_end_xmit(dev, false); 2170 return NETDEV_TX_OK; 2171 } 2172 2173 static void airo_end_xmit11(struct net_device *dev, bool may_sleep) 2174 { 2175 u16 status; 2176 int i; 2177 struct airo_info *priv = dev->ml_priv; 2178 struct sk_buff *skb = priv->xmit11.skb; 2179 int fid = priv->xmit11.fid; 2180 u32 *fids = priv->fids; 2181 2182 clear_bit(JOB_XMIT11, &priv->jobs); 2183 clear_bit(FLAG_PENDING_XMIT11, &priv->flags); 2184 status = transmit_802_11_packet(priv, fids[fid], skb->data, may_sleep); 2185 up(&priv->sem); 2186 2187 i = MAX_FIDS / 2; 2188 if (status == SUCCESS) { 2189 netif_trans_update(dev); 2190 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++); 2191 } else { 2192 priv->fids[fid] &= 0xffff; 2193 dev->stats.tx_window_errors++; 2194 } 2195 if (i < MAX_FIDS) 2196 netif_wake_queue(dev); 2197 dev_kfree_skb(skb); 2198 } 2199 2200 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb, 2201 struct net_device *dev) 2202 { 2203 s16 len; 2204 int i, j; 2205 struct airo_info *priv = dev->ml_priv; 2206 u32 *fids = priv->fids; 2207 2208 if (test_bit(FLAG_MPI, &priv->flags)) { 2209 /* Not implemented yet for MPI350 */ 2210 netif_stop_queue(dev); 2211 dev_kfree_skb_any(skb); 2212 return NETDEV_TX_OK; 2213 } 2214 2215 if (skb == NULL) { 2216 airo_print_err(dev->name, "%s: skb == NULL!", __func__); 2217 return NETDEV_TX_OK; 2218 } 2219 if (skb_padto(skb, ETH_ZLEN)) { 2220 dev->stats.tx_dropped++; 2221 return NETDEV_TX_OK; 2222 } 2223 2224 /* Find a vacant FID */ 2225 for (i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++); 2226 for (j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++); 2227 2228 if (j >= MAX_FIDS) { 2229 netif_stop_queue(dev); 2230 2231 if (i == MAX_FIDS) { 2232 dev->stats.tx_fifo_errors++; 2233 return NETDEV_TX_BUSY; 2234 } 2235 } 2236 /* check min length*/ 2237 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 2238 /* Mark fid as used & save length for later */ 2239 fids[i] |= (len << 16); 2240 priv->xmit11.skb = skb; 2241 priv->xmit11.fid = i; 2242 if (down_trylock(&priv->sem) != 0) { 2243 set_bit(FLAG_PENDING_XMIT11, &priv->flags); 2244 netif_stop_queue(dev); 2245 set_bit(JOB_XMIT11, &priv->jobs); 2246 wake_up_interruptible(&priv->thr_wait); 2247 } else 2248 airo_end_xmit11(dev, false); 2249 return NETDEV_TX_OK; 2250 } 2251 2252 static void airo_read_stats(struct net_device *dev) 2253 { 2254 struct airo_info *ai = dev->ml_priv; 2255 StatsRid stats_rid; 2256 __le32 *vals = stats_rid.vals; 2257 2258 clear_bit(JOB_STATS, &ai->jobs); 2259 if (ai->power.event) { 2260 up(&ai->sem); 2261 return; 2262 } 2263 readStatsRid(ai, &stats_rid, RID_STATS, 0); 2264 up(&ai->sem); 2265 2266 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) + 2267 le32_to_cpu(vals[45]); 2268 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) + 2269 le32_to_cpu(vals[41]); 2270 dev->stats.rx_bytes = le32_to_cpu(vals[92]); 2271 dev->stats.tx_bytes = le32_to_cpu(vals[91]); 2272 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) + 2273 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]); 2274 dev->stats.tx_errors = le32_to_cpu(vals[42]) + 2275 dev->stats.tx_fifo_errors; 2276 dev->stats.multicast = le32_to_cpu(vals[43]); 2277 dev->stats.collisions = le32_to_cpu(vals[89]); 2278 2279 /* detailed rx_errors: */ 2280 dev->stats.rx_length_errors = le32_to_cpu(vals[3]); 2281 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]); 2282 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]); 2283 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]); 2284 } 2285 2286 static struct net_device_stats *airo_get_stats(struct net_device *dev) 2287 { 2288 struct airo_info *local = dev->ml_priv; 2289 2290 if (!test_bit(JOB_STATS, &local->jobs)) { 2291 set_bit(JOB_STATS, &local->jobs); 2292 wake_up_interruptible(&local->thr_wait); 2293 } 2294 2295 return &dev->stats; 2296 } 2297 2298 static void airo_set_promisc(struct airo_info *ai, bool may_sleep) 2299 { 2300 Cmd cmd; 2301 Resp rsp; 2302 2303 memset(&cmd, 0, sizeof(cmd)); 2304 cmd.cmd = CMD_SETMODE; 2305 clear_bit(JOB_PROMISC, &ai->jobs); 2306 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC; 2307 issuecommand(ai, &cmd, &rsp, may_sleep); 2308 up(&ai->sem); 2309 } 2310 2311 static void airo_set_multicast_list(struct net_device *dev) 2312 { 2313 struct airo_info *ai = dev->ml_priv; 2314 2315 if ((dev->flags ^ ai->flags) & IFF_PROMISC) { 2316 change_bit(FLAG_PROMISC, &ai->flags); 2317 if (down_trylock(&ai->sem) != 0) { 2318 set_bit(JOB_PROMISC, &ai->jobs); 2319 wake_up_interruptible(&ai->thr_wait); 2320 } else 2321 airo_set_promisc(ai, false); 2322 } 2323 2324 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) { 2325 /* Turn on multicast. (Should be already setup...) */ 2326 } 2327 } 2328 2329 static int airo_set_mac_address(struct net_device *dev, void *p) 2330 { 2331 struct airo_info *ai = dev->ml_priv; 2332 struct sockaddr *addr = p; 2333 2334 readConfigRid(ai, 1); 2335 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len); 2336 set_bit (FLAG_COMMIT, &ai->flags); 2337 disable_MAC(ai, 1); 2338 writeConfigRid (ai, 1); 2339 enable_MAC(ai, 1); 2340 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len); 2341 if (ai->wifidev) 2342 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len); 2343 return 0; 2344 } 2345 2346 static LIST_HEAD(airo_devices); 2347 2348 static void add_airo_dev(struct airo_info *ai) 2349 { 2350 /* Upper layers already keep track of PCI devices, 2351 * so we only need to remember our non-PCI cards. */ 2352 if (!ai->pci) 2353 list_add_tail(&ai->dev_list, &airo_devices); 2354 } 2355 2356 static void del_airo_dev(struct airo_info *ai) 2357 { 2358 if (!ai->pci) 2359 list_del(&ai->dev_list); 2360 } 2361 2362 static int airo_close(struct net_device *dev) 2363 { 2364 struct airo_info *ai = dev->ml_priv; 2365 2366 netif_stop_queue(dev); 2367 2368 if (ai->wifidev != dev) { 2369 #ifdef POWER_ON_DOWN 2370 /* Shut power to the card. The idea is that the user can save 2371 * power when he doesn't need the card with "ifconfig down". 2372 * That's the method that is most friendly towards the network 2373 * stack (i.e. the network stack won't try to broadcast 2374 * anything on the interface and routes are gone. Jean II */ 2375 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2376 disable_MAC(ai, 1); 2377 #endif 2378 disable_interrupts(ai); 2379 2380 free_irq(dev->irq, dev); 2381 2382 set_bit(JOB_DIE, &ai->jobs); 2383 kthread_stop(ai->airo_thread_task); 2384 } 2385 return 0; 2386 } 2387 2388 void stop_airo_card(struct net_device *dev, int freeres) 2389 { 2390 struct airo_info *ai = dev->ml_priv; 2391 2392 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2393 disable_MAC(ai, 1); 2394 disable_interrupts(ai); 2395 takedown_proc_entry(dev, ai); 2396 if (test_bit(FLAG_REGISTERED, &ai->flags)) { 2397 unregister_netdev(dev); 2398 if (ai->wifidev) { 2399 unregister_netdev(ai->wifidev); 2400 free_netdev(ai->wifidev); 2401 ai->wifidev = NULL; 2402 } 2403 clear_bit(FLAG_REGISTERED, &ai->flags); 2404 } 2405 /* 2406 * Clean out tx queue 2407 */ 2408 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) { 2409 struct sk_buff *skb = NULL; 2410 for (;(skb = skb_dequeue(&ai->txq));) 2411 dev_kfree_skb(skb); 2412 } 2413 2414 airo_networks_free (ai); 2415 2416 kfree(ai->flash); 2417 kfree(ai->rssi); 2418 kfree(ai->SSID); 2419 if (freeres) { 2420 /* PCMCIA frees this stuff, so only for PCI and ISA */ 2421 release_region(dev->base_addr, 64); 2422 if (test_bit(FLAG_MPI, &ai->flags)) { 2423 if (ai->pci) 2424 mpi_unmap_card(ai->pci); 2425 if (ai->pcimem) 2426 iounmap(ai->pcimem); 2427 if (ai->pciaux) 2428 iounmap(ai->pciaux); 2429 dma_free_coherent(&ai->pci->dev, PCI_SHARED_LEN, 2430 ai->shared, ai->shared_dma); 2431 } 2432 } 2433 crypto_free_sync_skcipher(ai->tfm); 2434 del_airo_dev(ai); 2435 free_netdev(dev); 2436 } 2437 2438 EXPORT_SYMBOL(stop_airo_card); 2439 2440 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr) 2441 { 2442 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); 2443 return ETH_ALEN; 2444 } 2445 2446 static void mpi_unmap_card(struct pci_dev *pci) 2447 { 2448 unsigned long mem_start = pci_resource_start(pci, 1); 2449 unsigned long mem_len = pci_resource_len(pci, 1); 2450 unsigned long aux_start = pci_resource_start(pci, 2); 2451 unsigned long aux_len = AUXMEMSIZE; 2452 2453 release_mem_region(aux_start, aux_len); 2454 release_mem_region(mem_start, mem_len); 2455 } 2456 2457 /************************************************************* 2458 * This routine assumes that descriptors have been setup . 2459 * Run at insmod time or after reset when the descriptors 2460 * have been initialized . Returns 0 if all is well nz 2461 * otherwise . Does not allocate memory but sets up card 2462 * using previously allocated descriptors. 2463 */ 2464 static int mpi_init_descriptors (struct airo_info *ai) 2465 { 2466 Cmd cmd; 2467 Resp rsp; 2468 int i; 2469 int rc = SUCCESS; 2470 2471 /* Alloc card RX descriptors */ 2472 netif_stop_queue(ai->dev); 2473 2474 memset(&rsp, 0, sizeof(rsp)); 2475 memset(&cmd, 0, sizeof(cmd)); 2476 2477 cmd.cmd = CMD_ALLOCATEAUX; 2478 cmd.parm0 = FID_RX; 2479 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux); 2480 cmd.parm2 = MPI_MAX_FIDS; 2481 rc = issuecommand(ai, &cmd, &rsp, true); 2482 if (rc != SUCCESS) { 2483 airo_print_err(ai->dev->name, "Couldn't allocate RX FID"); 2484 return rc; 2485 } 2486 2487 for (i = 0; i<MPI_MAX_FIDS; i++) { 2488 memcpy_toio(ai->rxfids[i].card_ram_off, 2489 &ai->rxfids[i].rx_desc, sizeof(RxFid)); 2490 } 2491 2492 /* Alloc card TX descriptors */ 2493 2494 memset(&rsp, 0, sizeof(rsp)); 2495 memset(&cmd, 0, sizeof(cmd)); 2496 2497 cmd.cmd = CMD_ALLOCATEAUX; 2498 cmd.parm0 = FID_TX; 2499 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux); 2500 cmd.parm2 = MPI_MAX_FIDS; 2501 2502 for (i = 0; i<MPI_MAX_FIDS; i++) { 2503 ai->txfids[i].tx_desc.valid = 1; 2504 memcpy_toio(ai->txfids[i].card_ram_off, 2505 &ai->txfids[i].tx_desc, sizeof(TxFid)); 2506 } 2507 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2508 2509 rc = issuecommand(ai, &cmd, &rsp, true); 2510 if (rc != SUCCESS) { 2511 airo_print_err(ai->dev->name, "Couldn't allocate TX FID"); 2512 return rc; 2513 } 2514 2515 /* Alloc card Rid descriptor */ 2516 memset(&rsp, 0, sizeof(rsp)); 2517 memset(&cmd, 0, sizeof(cmd)); 2518 2519 cmd.cmd = CMD_ALLOCATEAUX; 2520 cmd.parm0 = RID_RW; 2521 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux); 2522 cmd.parm2 = 1; /* Magic number... */ 2523 rc = issuecommand(ai, &cmd, &rsp, true); 2524 if (rc != SUCCESS) { 2525 airo_print_err(ai->dev->name, "Couldn't allocate RID"); 2526 return rc; 2527 } 2528 2529 memcpy_toio(ai->config_desc.card_ram_off, 2530 &ai->config_desc.rid_desc, sizeof(Rid)); 2531 2532 return rc; 2533 } 2534 2535 /* 2536 * We are setting up three things here: 2537 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid. 2538 * 2) Map PCI memory for issuing commands. 2539 * 3) Allocate memory (shared) to send and receive ethernet frames. 2540 */ 2541 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci) 2542 { 2543 unsigned long mem_start, mem_len, aux_start, aux_len; 2544 int rc = -1; 2545 int i; 2546 dma_addr_t busaddroff; 2547 unsigned char *vpackoff; 2548 unsigned char __iomem *pciaddroff; 2549 2550 mem_start = pci_resource_start(pci, 1); 2551 mem_len = pci_resource_len(pci, 1); 2552 aux_start = pci_resource_start(pci, 2); 2553 aux_len = AUXMEMSIZE; 2554 2555 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) { 2556 airo_print_err("", "Couldn't get region %x[%x]", 2557 (int)mem_start, (int)mem_len); 2558 goto out; 2559 } 2560 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) { 2561 airo_print_err("", "Couldn't get region %x[%x]", 2562 (int)aux_start, (int)aux_len); 2563 goto free_region1; 2564 } 2565 2566 ai->pcimem = ioremap(mem_start, mem_len); 2567 if (!ai->pcimem) { 2568 airo_print_err("", "Couldn't map region %x[%x]", 2569 (int)mem_start, (int)mem_len); 2570 goto free_region2; 2571 } 2572 ai->pciaux = ioremap(aux_start, aux_len); 2573 if (!ai->pciaux) { 2574 airo_print_err("", "Couldn't map region %x[%x]", 2575 (int)aux_start, (int)aux_len); 2576 goto free_memmap; 2577 } 2578 2579 /* Reserve PKTSIZE for each fid and 2K for the Rids */ 2580 ai->shared = dma_alloc_coherent(&pci->dev, PCI_SHARED_LEN, 2581 &ai->shared_dma, GFP_KERNEL); 2582 if (!ai->shared) { 2583 airo_print_err("", "Couldn't alloc_coherent %d", 2584 PCI_SHARED_LEN); 2585 goto free_auxmap; 2586 } 2587 2588 /* 2589 * Setup descriptor RX, TX, CONFIG 2590 */ 2591 busaddroff = ai->shared_dma; 2592 pciaddroff = ai->pciaux + AUX_OFFSET; 2593 vpackoff = ai->shared; 2594 2595 /* RX descriptor setup */ 2596 for (i = 0; i < MPI_MAX_FIDS; i++) { 2597 ai->rxfids[i].pending = 0; 2598 ai->rxfids[i].card_ram_off = pciaddroff; 2599 ai->rxfids[i].virtual_host_addr = vpackoff; 2600 ai->rxfids[i].rx_desc.host_addr = busaddroff; 2601 ai->rxfids[i].rx_desc.valid = 1; 2602 ai->rxfids[i].rx_desc.len = PKTSIZE; 2603 ai->rxfids[i].rx_desc.rdy = 0; 2604 2605 pciaddroff += sizeof(RxFid); 2606 busaddroff += PKTSIZE; 2607 vpackoff += PKTSIZE; 2608 } 2609 2610 /* TX descriptor setup */ 2611 for (i = 0; i < MPI_MAX_FIDS; i++) { 2612 ai->txfids[i].card_ram_off = pciaddroff; 2613 ai->txfids[i].virtual_host_addr = vpackoff; 2614 ai->txfids[i].tx_desc.valid = 1; 2615 ai->txfids[i].tx_desc.host_addr = busaddroff; 2616 memcpy(ai->txfids[i].virtual_host_addr, 2617 &wifictlhdr8023, sizeof(wifictlhdr8023)); 2618 2619 pciaddroff += sizeof(TxFid); 2620 busaddroff += PKTSIZE; 2621 vpackoff += PKTSIZE; 2622 } 2623 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2624 2625 /* Rid descriptor setup */ 2626 ai->config_desc.card_ram_off = pciaddroff; 2627 ai->config_desc.virtual_host_addr = vpackoff; 2628 ai->config_desc.rid_desc.host_addr = busaddroff; 2629 ai->ridbus = busaddroff; 2630 ai->config_desc.rid_desc.rid = 0; 2631 ai->config_desc.rid_desc.len = RIDSIZE; 2632 ai->config_desc.rid_desc.valid = 1; 2633 pciaddroff += sizeof(Rid); 2634 busaddroff += RIDSIZE; 2635 vpackoff += RIDSIZE; 2636 2637 /* Tell card about descriptors */ 2638 if (mpi_init_descriptors (ai) != SUCCESS) 2639 goto free_shared; 2640 2641 return 0; 2642 free_shared: 2643 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared, 2644 ai->shared_dma); 2645 free_auxmap: 2646 iounmap(ai->pciaux); 2647 free_memmap: 2648 iounmap(ai->pcimem); 2649 free_region2: 2650 release_mem_region(aux_start, aux_len); 2651 free_region1: 2652 release_mem_region(mem_start, mem_len); 2653 out: 2654 return rc; 2655 } 2656 2657 static const struct header_ops airo_header_ops = { 2658 .parse = wll_header_parse, 2659 }; 2660 2661 static const struct net_device_ops airo11_netdev_ops = { 2662 .ndo_open = airo_open, 2663 .ndo_stop = airo_close, 2664 .ndo_start_xmit = airo_start_xmit11, 2665 .ndo_get_stats = airo_get_stats, 2666 .ndo_set_mac_address = airo_set_mac_address, 2667 .ndo_do_ioctl = airo_ioctl, 2668 }; 2669 2670 static void wifi_setup(struct net_device *dev) 2671 { 2672 dev->netdev_ops = &airo11_netdev_ops; 2673 dev->header_ops = &airo_header_ops; 2674 dev->wireless_handlers = &airo_handler_def; 2675 2676 dev->type = ARPHRD_IEEE80211; 2677 dev->hard_header_len = ETH_HLEN; 2678 dev->mtu = AIRO_DEF_MTU; 2679 dev->min_mtu = 68; 2680 dev->max_mtu = MIC_MSGLEN_MAX; 2681 dev->addr_len = ETH_ALEN; 2682 dev->tx_queue_len = 100; 2683 2684 eth_broadcast_addr(dev->broadcast); 2685 2686 dev->flags = IFF_BROADCAST|IFF_MULTICAST; 2687 } 2688 2689 static struct net_device *init_wifidev(struct airo_info *ai, 2690 struct net_device *ethdev) 2691 { 2692 int err; 2693 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN, 2694 wifi_setup); 2695 if (!dev) 2696 return NULL; 2697 dev->ml_priv = ethdev->ml_priv; 2698 dev->irq = ethdev->irq; 2699 dev->base_addr = ethdev->base_addr; 2700 dev->wireless_data = ethdev->wireless_data; 2701 SET_NETDEV_DEV(dev, ethdev->dev.parent); 2702 eth_hw_addr_inherit(dev, ethdev); 2703 err = register_netdev(dev); 2704 if (err<0) { 2705 free_netdev(dev); 2706 return NULL; 2707 } 2708 return dev; 2709 } 2710 2711 static int reset_card(struct net_device *dev, int lock) 2712 { 2713 struct airo_info *ai = dev->ml_priv; 2714 2715 if (lock && down_interruptible(&ai->sem)) 2716 return -1; 2717 waitbusy (ai); 2718 OUT4500(ai, COMMAND, CMD_SOFTRESET); 2719 msleep(200); 2720 waitbusy (ai); 2721 msleep(200); 2722 if (lock) 2723 up(&ai->sem); 2724 return 0; 2725 } 2726 2727 #define AIRO_MAX_NETWORK_COUNT 64 2728 static int airo_networks_allocate(struct airo_info *ai) 2729 { 2730 if (ai->networks) 2731 return 0; 2732 2733 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement), 2734 GFP_KERNEL); 2735 if (!ai->networks) { 2736 airo_print_warn("", "Out of memory allocating beacons"); 2737 return -ENOMEM; 2738 } 2739 2740 return 0; 2741 } 2742 2743 static void airo_networks_free(struct airo_info *ai) 2744 { 2745 kfree(ai->networks); 2746 ai->networks = NULL; 2747 } 2748 2749 static void airo_networks_initialize(struct airo_info *ai) 2750 { 2751 int i; 2752 2753 INIT_LIST_HEAD(&ai->network_free_list); 2754 INIT_LIST_HEAD(&ai->network_list); 2755 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++) 2756 list_add_tail(&ai->networks[i].list, 2757 &ai->network_free_list); 2758 } 2759 2760 static const struct net_device_ops airo_netdev_ops = { 2761 .ndo_open = airo_open, 2762 .ndo_stop = airo_close, 2763 .ndo_start_xmit = airo_start_xmit, 2764 .ndo_get_stats = airo_get_stats, 2765 .ndo_set_rx_mode = airo_set_multicast_list, 2766 .ndo_set_mac_address = airo_set_mac_address, 2767 .ndo_do_ioctl = airo_ioctl, 2768 .ndo_validate_addr = eth_validate_addr, 2769 }; 2770 2771 static const struct net_device_ops mpi_netdev_ops = { 2772 .ndo_open = airo_open, 2773 .ndo_stop = airo_close, 2774 .ndo_start_xmit = mpi_start_xmit, 2775 .ndo_get_stats = airo_get_stats, 2776 .ndo_set_rx_mode = airo_set_multicast_list, 2777 .ndo_set_mac_address = airo_set_mac_address, 2778 .ndo_do_ioctl = airo_ioctl, 2779 .ndo_validate_addr = eth_validate_addr, 2780 }; 2781 2782 2783 static struct net_device *_init_airo_card(unsigned short irq, int port, 2784 int is_pcmcia, struct pci_dev *pci, 2785 struct device *dmdev) 2786 { 2787 struct net_device *dev; 2788 struct airo_info *ai; 2789 int i, rc; 2790 CapabilityRid cap_rid; 2791 2792 /* Create the network device object. */ 2793 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup); 2794 if (!dev) { 2795 airo_print_err("", "Couldn't alloc_etherdev"); 2796 return NULL; 2797 } 2798 2799 ai = dev->ml_priv = netdev_priv(dev); 2800 ai->wifidev = NULL; 2801 ai->flags = 1 << FLAG_RADIO_DOWN; 2802 ai->jobs = 0; 2803 ai->dev = dev; 2804 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { 2805 airo_print_dbg("", "Found an MPI350 card"); 2806 set_bit(FLAG_MPI, &ai->flags); 2807 } 2808 spin_lock_init(&ai->aux_lock); 2809 sema_init(&ai->sem, 1); 2810 ai->config.len = 0; 2811 ai->pci = pci; 2812 init_waitqueue_head (&ai->thr_wait); 2813 ai->tfm = NULL; 2814 add_airo_dev(ai); 2815 ai->APList.len = cpu_to_le16(sizeof(struct APListRid)); 2816 2817 if (airo_networks_allocate (ai)) 2818 goto err_out_free; 2819 airo_networks_initialize (ai); 2820 2821 skb_queue_head_init (&ai->txq); 2822 2823 /* The Airo-specific entries in the device structure. */ 2824 if (test_bit(FLAG_MPI,&ai->flags)) 2825 dev->netdev_ops = &mpi_netdev_ops; 2826 else 2827 dev->netdev_ops = &airo_netdev_ops; 2828 dev->wireless_handlers = &airo_handler_def; 2829 ai->wireless_data.spy_data = &ai->spy_data; 2830 dev->wireless_data = &ai->wireless_data; 2831 dev->irq = irq; 2832 dev->base_addr = port; 2833 dev->priv_flags &= ~IFF_TX_SKB_SHARING; 2834 dev->max_mtu = MIC_MSGLEN_MAX; 2835 2836 SET_NETDEV_DEV(dev, dmdev); 2837 2838 reset_card (dev, 1); 2839 msleep(400); 2840 2841 if (!is_pcmcia) { 2842 if (!request_region(dev->base_addr, 64, DRV_NAME)) { 2843 rc = -EBUSY; 2844 airo_print_err(dev->name, "Couldn't request region"); 2845 goto err_out_nets; 2846 } 2847 } 2848 2849 if (test_bit(FLAG_MPI,&ai->flags)) { 2850 if (mpi_map_card(ai, pci)) { 2851 airo_print_err("", "Could not map memory"); 2852 goto err_out_res; 2853 } 2854 } 2855 2856 if (probe) { 2857 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) { 2858 airo_print_err(dev->name, "MAC could not be enabled"); 2859 rc = -EIO; 2860 goto err_out_map; 2861 } 2862 } else if (!test_bit(FLAG_MPI,&ai->flags)) { 2863 ai->bap_read = fast_bap_read; 2864 set_bit(FLAG_FLASHING, &ai->flags); 2865 } 2866 2867 strcpy(dev->name, "eth%d"); 2868 rc = register_netdev(dev); 2869 if (rc) { 2870 airo_print_err(dev->name, "Couldn't register_netdev"); 2871 goto err_out_map; 2872 } 2873 ai->wifidev = init_wifidev(ai, dev); 2874 if (!ai->wifidev) 2875 goto err_out_reg; 2876 2877 rc = readCapabilityRid(ai, &cap_rid, 1); 2878 if (rc != SUCCESS) { 2879 rc = -EIO; 2880 goto err_out_wifi; 2881 } 2882 /* WEP capability discovery */ 2883 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0; 2884 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0; 2885 2886 airo_print_info(dev->name, "Firmware version %x.%x.%02d", 2887 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF), 2888 (le16_to_cpu(cap_rid.softVer) & 0xFF), 2889 le16_to_cpu(cap_rid.softSubVer)); 2890 2891 /* Test for WPA support */ 2892 /* Only firmware versions 5.30.17 or better can do WPA */ 2893 if (le16_to_cpu(cap_rid.softVer) > 0x530 2894 || (le16_to_cpu(cap_rid.softVer) == 0x530 2895 && le16_to_cpu(cap_rid.softSubVer) >= 17)) { 2896 airo_print_info(ai->dev->name, "WPA supported."); 2897 2898 set_bit(FLAG_WPA_CAPABLE, &ai->flags); 2899 ai->bssListFirst = RID_WPA_BSSLISTFIRST; 2900 ai->bssListNext = RID_WPA_BSSLISTNEXT; 2901 ai->bssListRidLen = sizeof(BSSListRid); 2902 } else { 2903 airo_print_info(ai->dev->name, "WPA unsupported with firmware " 2904 "versions older than 5.30.17."); 2905 2906 ai->bssListFirst = RID_BSSLISTFIRST; 2907 ai->bssListNext = RID_BSSLISTNEXT; 2908 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); 2909 } 2910 2911 set_bit(FLAG_REGISTERED,&ai->flags); 2912 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); 2913 2914 /* Allocate the transmit buffers */ 2915 if (probe && !test_bit(FLAG_MPI,&ai->flags)) 2916 for (i = 0; i < MAX_FIDS; i++) 2917 ai->fids[i] = transmit_allocate(ai, AIRO_DEF_MTU, i>=MAX_FIDS/2); 2918 2919 if (setup_proc_entry(dev, dev->ml_priv) < 0) 2920 goto err_out_wifi; 2921 2922 return dev; 2923 2924 err_out_wifi: 2925 unregister_netdev(ai->wifidev); 2926 free_netdev(ai->wifidev); 2927 err_out_reg: 2928 unregister_netdev(dev); 2929 err_out_map: 2930 if (test_bit(FLAG_MPI,&ai->flags) && pci) { 2931 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared, 2932 ai->shared_dma); 2933 iounmap(ai->pciaux); 2934 iounmap(ai->pcimem); 2935 mpi_unmap_card(ai->pci); 2936 } 2937 err_out_res: 2938 if (!is_pcmcia) 2939 release_region(dev->base_addr, 64); 2940 err_out_nets: 2941 airo_networks_free(ai); 2942 err_out_free: 2943 del_airo_dev(ai); 2944 free_netdev(dev); 2945 return NULL; 2946 } 2947 2948 struct net_device *init_airo_card(unsigned short irq, int port, int is_pcmcia, 2949 struct device *dmdev) 2950 { 2951 return _init_airo_card (irq, port, is_pcmcia, NULL, dmdev); 2952 } 2953 2954 EXPORT_SYMBOL(init_airo_card); 2955 2956 static int waitbusy (struct airo_info *ai) 2957 { 2958 int delay = 0; 2959 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) { 2960 udelay (10); 2961 if ((++delay % 20) == 0) 2962 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 2963 } 2964 return delay < 10000; 2965 } 2966 2967 int reset_airo_card(struct net_device *dev) 2968 { 2969 int i; 2970 struct airo_info *ai = dev->ml_priv; 2971 2972 if (reset_card (dev, 1)) 2973 return -1; 2974 2975 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) { 2976 airo_print_err(dev->name, "MAC could not be enabled"); 2977 return -1; 2978 } 2979 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); 2980 /* Allocate the transmit buffers if needed */ 2981 if (!test_bit(FLAG_MPI,&ai->flags)) 2982 for (i = 0; i < MAX_FIDS; i++) 2983 ai->fids[i] = transmit_allocate (ai, AIRO_DEF_MTU, i>=MAX_FIDS/2); 2984 2985 enable_interrupts(ai); 2986 netif_wake_queue(dev); 2987 return 0; 2988 } 2989 2990 EXPORT_SYMBOL(reset_airo_card); 2991 2992 static void airo_send_event(struct net_device *dev) 2993 { 2994 struct airo_info *ai = dev->ml_priv; 2995 union iwreq_data wrqu; 2996 StatusRid status_rid; 2997 2998 clear_bit(JOB_EVENT, &ai->jobs); 2999 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0); 3000 up(&ai->sem); 3001 wrqu.data.length = 0; 3002 wrqu.data.flags = 0; 3003 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN); 3004 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 3005 3006 /* Send event to user space */ 3007 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); 3008 } 3009 3010 static void airo_process_scan_results (struct airo_info *ai) 3011 { 3012 union iwreq_data wrqu; 3013 BSSListRid bss; 3014 int rc; 3015 BSSListElement * loop_net; 3016 BSSListElement * tmp_net; 3017 3018 /* Blow away current list of scan results */ 3019 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) { 3020 list_move_tail (&loop_net->list, &ai->network_free_list); 3021 /* Don't blow away ->list, just BSS data */ 3022 memset (loop_net, 0, sizeof (loop_net->bss)); 3023 } 3024 3025 /* Try to read the first entry of the scan result */ 3026 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0); 3027 if ((rc) || (bss.index == cpu_to_le16(0xffff))) { 3028 /* No scan results */ 3029 goto out; 3030 } 3031 3032 /* Read and parse all entries */ 3033 tmp_net = NULL; 3034 while ((!rc) && (bss.index != cpu_to_le16(0xffff))) { 3035 /* Grab a network off the free list */ 3036 if (!list_empty(&ai->network_free_list)) { 3037 tmp_net = list_entry(ai->network_free_list.next, 3038 BSSListElement, list); 3039 list_del(ai->network_free_list.next); 3040 } 3041 3042 if (tmp_net != NULL) { 3043 memcpy(tmp_net, &bss, sizeof(tmp_net->bss)); 3044 list_add_tail(&tmp_net->list, &ai->network_list); 3045 tmp_net = NULL; 3046 } 3047 3048 /* Read next entry */ 3049 rc = PC4500_readrid(ai, ai->bssListNext, 3050 &bss, ai->bssListRidLen, 0); 3051 } 3052 3053 out: 3054 /* write APList back (we cleared it in airo_set_scan) */ 3055 disable_MAC(ai, 2); 3056 writeAPListRid(ai, &ai->APList, 0); 3057 enable_MAC(ai, 0); 3058 3059 ai->scan_timeout = 0; 3060 clear_bit(JOB_SCAN_RESULTS, &ai->jobs); 3061 up(&ai->sem); 3062 3063 /* Send an empty event to user space. 3064 * We don't send the received data on 3065 * the event because it would require 3066 * us to do complex transcoding, and 3067 * we want to minimise the work done in 3068 * the irq handler. Use a request to 3069 * extract the data - Jean II */ 3070 wrqu.data.length = 0; 3071 wrqu.data.flags = 0; 3072 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL); 3073 } 3074 3075 static int airo_thread(void *data) 3076 { 3077 struct net_device *dev = data; 3078 struct airo_info *ai = dev->ml_priv; 3079 int locked; 3080 3081 set_freezable(); 3082 while (1) { 3083 /* make swsusp happy with our thread */ 3084 try_to_freeze(); 3085 3086 if (test_bit(JOB_DIE, &ai->jobs)) 3087 break; 3088 3089 if (ai->jobs) { 3090 locked = down_interruptible(&ai->sem); 3091 } else { 3092 wait_queue_entry_t wait; 3093 3094 init_waitqueue_entry(&wait, current); 3095 add_wait_queue(&ai->thr_wait, &wait); 3096 for (;;) { 3097 set_current_state(TASK_INTERRUPTIBLE); 3098 if (ai->jobs) 3099 break; 3100 if (ai->expires || ai->scan_timeout) { 3101 if (ai->scan_timeout && 3102 time_after_eq(jiffies, ai->scan_timeout)) { 3103 set_bit(JOB_SCAN_RESULTS, &ai->jobs); 3104 break; 3105 } else if (ai->expires && 3106 time_after_eq(jiffies, ai->expires)) { 3107 set_bit(JOB_AUTOWEP, &ai->jobs); 3108 break; 3109 } 3110 if (!kthread_should_stop() && 3111 !freezing(current)) { 3112 unsigned long wake_at; 3113 if (!ai->expires || !ai->scan_timeout) { 3114 wake_at = max(ai->expires, 3115 ai->scan_timeout); 3116 } else { 3117 wake_at = min(ai->expires, 3118 ai->scan_timeout); 3119 } 3120 schedule_timeout(wake_at - jiffies); 3121 continue; 3122 } 3123 } else if (!kthread_should_stop() && 3124 !freezing(current)) { 3125 schedule(); 3126 continue; 3127 } 3128 break; 3129 } 3130 __set_current_state(TASK_RUNNING); 3131 remove_wait_queue(&ai->thr_wait, &wait); 3132 locked = 1; 3133 } 3134 3135 if (locked) 3136 continue; 3137 3138 if (test_bit(JOB_DIE, &ai->jobs)) { 3139 up(&ai->sem); 3140 break; 3141 } 3142 3143 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) { 3144 up(&ai->sem); 3145 continue; 3146 } 3147 3148 if (test_bit(JOB_XMIT, &ai->jobs)) 3149 airo_end_xmit(dev, true); 3150 else if (test_bit(JOB_XMIT11, &ai->jobs)) 3151 airo_end_xmit11(dev, true); 3152 else if (test_bit(JOB_STATS, &ai->jobs)) 3153 airo_read_stats(dev); 3154 else if (test_bit(JOB_PROMISC, &ai->jobs)) 3155 airo_set_promisc(ai, true); 3156 else if (test_bit(JOB_MIC, &ai->jobs)) 3157 micinit(ai); 3158 else if (test_bit(JOB_EVENT, &ai->jobs)) 3159 airo_send_event(dev); 3160 else if (test_bit(JOB_AUTOWEP, &ai->jobs)) 3161 timer_func(dev); 3162 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs)) 3163 airo_process_scan_results(ai); 3164 else /* Shouldn't get here, but we make sure to unlock */ 3165 up(&ai->sem); 3166 } 3167 3168 return 0; 3169 } 3170 3171 static int header_len(__le16 ctl) 3172 { 3173 u16 fc = le16_to_cpu(ctl); 3174 switch (fc & 0xc) { 3175 case 4: 3176 if ((fc & 0xe0) == 0xc0) 3177 return 10; /* one-address control packet */ 3178 return 16; /* two-address control packet */ 3179 case 8: 3180 if ((fc & 0x300) == 0x300) 3181 return 30; /* WDS packet */ 3182 } 3183 return 24; 3184 } 3185 3186 static void airo_handle_cisco_mic(struct airo_info *ai) 3187 { 3188 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) { 3189 set_bit(JOB_MIC, &ai->jobs); 3190 wake_up_interruptible(&ai->thr_wait); 3191 } 3192 } 3193 3194 /* Airo Status codes */ 3195 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */ 3196 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */ 3197 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/ 3198 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */ 3199 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */ 3200 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */ 3201 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */ 3202 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */ 3203 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */ 3204 #define STAT_ASSOC 0x0400 /* Associated */ 3205 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */ 3206 3207 static void airo_print_status(const char *devname, u16 status) 3208 { 3209 u8 reason = status & 0xFF; 3210 3211 switch (status & 0xFF00) { 3212 case STAT_NOBEACON: 3213 switch (status) { 3214 case STAT_NOBEACON: 3215 airo_print_dbg(devname, "link lost (missed beacons)"); 3216 break; 3217 case STAT_MAXRETRIES: 3218 case STAT_MAXARL: 3219 airo_print_dbg(devname, "link lost (max retries)"); 3220 break; 3221 case STAT_FORCELOSS: 3222 airo_print_dbg(devname, "link lost (local choice)"); 3223 break; 3224 case STAT_TSFSYNC: 3225 airo_print_dbg(devname, "link lost (TSF sync lost)"); 3226 break; 3227 default: 3228 airo_print_dbg(devname, "unknown status %x\n", status); 3229 break; 3230 } 3231 break; 3232 case STAT_DEAUTH: 3233 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason); 3234 break; 3235 case STAT_DISASSOC: 3236 airo_print_dbg(devname, "disassociated (reason: %d)", reason); 3237 break; 3238 case STAT_ASSOC_FAIL: 3239 airo_print_dbg(devname, "association failed (reason: %d)", 3240 reason); 3241 break; 3242 case STAT_AUTH_FAIL: 3243 airo_print_dbg(devname, "authentication failed (reason: %d)", 3244 reason); 3245 break; 3246 case STAT_ASSOC: 3247 case STAT_REASSOC: 3248 break; 3249 default: 3250 airo_print_dbg(devname, "unknown status %x\n", status); 3251 break; 3252 } 3253 } 3254 3255 static void airo_handle_link(struct airo_info *ai) 3256 { 3257 union iwreq_data wrqu; 3258 int scan_forceloss = 0; 3259 u16 status; 3260 3261 /* Get new status and acknowledge the link change */ 3262 status = le16_to_cpu(IN4500(ai, LINKSTAT)); 3263 OUT4500(ai, EVACK, EV_LINK); 3264 3265 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0)) 3266 scan_forceloss = 1; 3267 3268 airo_print_status(ai->dev->name, status); 3269 3270 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) { 3271 if (auto_wep) 3272 ai->expires = 0; 3273 if (ai->list_bss_task) 3274 wake_up_process(ai->list_bss_task); 3275 set_bit(FLAG_UPDATE_UNI, &ai->flags); 3276 set_bit(FLAG_UPDATE_MULTI, &ai->flags); 3277 3278 set_bit(JOB_EVENT, &ai->jobs); 3279 wake_up_interruptible(&ai->thr_wait); 3280 3281 netif_carrier_on(ai->dev); 3282 } else if (!scan_forceloss) { 3283 if (auto_wep && !ai->expires) { 3284 ai->expires = RUN_AT(3*HZ); 3285 wake_up_interruptible(&ai->thr_wait); 3286 } 3287 3288 /* Send event to user space */ 3289 eth_zero_addr(wrqu.ap_addr.sa_data); 3290 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 3291 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL); 3292 netif_carrier_off(ai->dev); 3293 } else { 3294 netif_carrier_off(ai->dev); 3295 } 3296 } 3297 3298 static void airo_handle_rx(struct airo_info *ai) 3299 { 3300 struct sk_buff *skb = NULL; 3301 __le16 fc, v, *buffer, tmpbuf[4]; 3302 u16 len, hdrlen = 0, gap, fid; 3303 struct rx_hdr hdr; 3304 int success = 0; 3305 3306 if (test_bit(FLAG_MPI, &ai->flags)) { 3307 if (test_bit(FLAG_802_11, &ai->flags)) 3308 mpi_receive_802_11(ai); 3309 else 3310 mpi_receive_802_3(ai); 3311 OUT4500(ai, EVACK, EV_RX); 3312 return; 3313 } 3314 3315 fid = IN4500(ai, RXFID); 3316 3317 /* Get the packet length */ 3318 if (test_bit(FLAG_802_11, &ai->flags)) { 3319 bap_setup (ai, fid, 4, BAP0); 3320 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0); 3321 /* Bad CRC. Ignore packet */ 3322 if (le16_to_cpu(hdr.status) & 2) 3323 hdr.len = 0; 3324 if (ai->wifidev == NULL) 3325 hdr.len = 0; 3326 } else { 3327 bap_setup(ai, fid, 0x36, BAP0); 3328 bap_read(ai, &hdr.len, 2, BAP0); 3329 } 3330 len = le16_to_cpu(hdr.len); 3331 3332 if (len > AIRO_DEF_MTU) { 3333 airo_print_err(ai->dev->name, "Bad size %d", len); 3334 goto done; 3335 } 3336 if (len == 0) 3337 goto done; 3338 3339 if (test_bit(FLAG_802_11, &ai->flags)) { 3340 bap_read(ai, &fc, sizeof (fc), BAP0); 3341 hdrlen = header_len(fc); 3342 } else 3343 hdrlen = ETH_ALEN * 2; 3344 3345 skb = dev_alloc_skb(len + hdrlen + 2 + 2); 3346 if (!skb) { 3347 ai->dev->stats.rx_dropped++; 3348 goto done; 3349 } 3350 3351 skb_reserve(skb, 2); /* This way the IP header is aligned */ 3352 buffer = skb_put(skb, len + hdrlen); 3353 if (test_bit(FLAG_802_11, &ai->flags)) { 3354 buffer[0] = fc; 3355 bap_read(ai, buffer + 1, hdrlen - 2, BAP0); 3356 if (hdrlen == 24) 3357 bap_read(ai, tmpbuf, 6, BAP0); 3358 3359 bap_read(ai, &v, sizeof(v), BAP0); 3360 gap = le16_to_cpu(v); 3361 if (gap) { 3362 if (gap <= 8) { 3363 bap_read(ai, tmpbuf, gap, BAP0); 3364 } else { 3365 airo_print_err(ai->dev->name, "gaplen too " 3366 "big. Problems will follow..."); 3367 } 3368 } 3369 bap_read(ai, buffer + hdrlen/2, len, BAP0); 3370 } else { 3371 MICBuffer micbuf; 3372 3373 bap_read(ai, buffer, ETH_ALEN * 2, BAP0); 3374 if (ai->micstats.enabled) { 3375 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0); 3376 if (ntohs(micbuf.typelen) > 0x05DC) 3377 bap_setup(ai, fid, 0x44, BAP0); 3378 else { 3379 if (len <= sizeof (micbuf)) { 3380 dev_kfree_skb_irq(skb); 3381 goto done; 3382 } 3383 3384 len -= sizeof(micbuf); 3385 skb_trim(skb, len + hdrlen); 3386 } 3387 } 3388 3389 bap_read(ai, buffer + ETH_ALEN, len, BAP0); 3390 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len)) 3391 dev_kfree_skb_irq (skb); 3392 else 3393 success = 1; 3394 } 3395 3396 #ifdef WIRELESS_SPY 3397 if (success && (ai->spy_data.spy_number > 0)) { 3398 char *sa; 3399 struct iw_quality wstats; 3400 3401 /* Prepare spy data : addr + qual */ 3402 if (!test_bit(FLAG_802_11, &ai->flags)) { 3403 sa = (char *) buffer + 6; 3404 bap_setup(ai, fid, 8, BAP0); 3405 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0); 3406 } else 3407 sa = (char *) buffer + 10; 3408 wstats.qual = hdr.rssi[0]; 3409 if (ai->rssi) 3410 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3411 else 3412 wstats.level = (hdr.rssi[1] + 321) / 2; 3413 wstats.noise = ai->wstats.qual.noise; 3414 wstats.updated = IW_QUAL_LEVEL_UPDATED 3415 | IW_QUAL_QUAL_UPDATED 3416 | IW_QUAL_DBM; 3417 /* Update spy records */ 3418 wireless_spy_update(ai->dev, sa, &wstats); 3419 } 3420 #endif /* WIRELESS_SPY */ 3421 3422 done: 3423 OUT4500(ai, EVACK, EV_RX); 3424 3425 if (success) { 3426 if (test_bit(FLAG_802_11, &ai->flags)) { 3427 skb_reset_mac_header(skb); 3428 skb->pkt_type = PACKET_OTHERHOST; 3429 skb->dev = ai->wifidev; 3430 skb->protocol = htons(ETH_P_802_2); 3431 } else 3432 skb->protocol = eth_type_trans(skb, ai->dev); 3433 skb->ip_summed = CHECKSUM_NONE; 3434 3435 netif_rx(skb); 3436 } 3437 } 3438 3439 static void airo_handle_tx(struct airo_info *ai, u16 status) 3440 { 3441 int i, index = -1; 3442 u16 fid; 3443 3444 if (test_bit(FLAG_MPI, &ai->flags)) { 3445 unsigned long flags; 3446 3447 if (status & EV_TXEXC) 3448 get_tx_error(ai, -1); 3449 3450 spin_lock_irqsave(&ai->aux_lock, flags); 3451 if (!skb_queue_empty(&ai->txq)) { 3452 spin_unlock_irqrestore(&ai->aux_lock, flags); 3453 mpi_send_packet(ai->dev); 3454 } else { 3455 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 3456 spin_unlock_irqrestore(&ai->aux_lock, flags); 3457 netif_wake_queue(ai->dev); 3458 } 3459 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3460 return; 3461 } 3462 3463 fid = IN4500(ai, TXCOMPLFID); 3464 3465 for (i = 0; i < MAX_FIDS; i++) { 3466 if ((ai->fids[i] & 0xffff) == fid) 3467 index = i; 3468 } 3469 3470 if (index != -1) { 3471 if (status & EV_TXEXC) 3472 get_tx_error(ai, index); 3473 3474 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC)); 3475 3476 /* Set up to be used again */ 3477 ai->fids[index] &= 0xffff; 3478 if (index < MAX_FIDS / 2) { 3479 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags)) 3480 netif_wake_queue(ai->dev); 3481 } else { 3482 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags)) 3483 netif_wake_queue(ai->wifidev); 3484 } 3485 } else { 3486 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3487 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit"); 3488 } 3489 } 3490 3491 static irqreturn_t airo_interrupt(int irq, void *dev_id) 3492 { 3493 struct net_device *dev = dev_id; 3494 u16 status, savedInterrupts = 0; 3495 struct airo_info *ai = dev->ml_priv; 3496 int handled = 0; 3497 3498 if (!netif_device_present(dev)) 3499 return IRQ_NONE; 3500 3501 for (;;) { 3502 status = IN4500(ai, EVSTAT); 3503 if (!(status & STATUS_INTS) || (status == 0xffff)) 3504 break; 3505 3506 handled = 1; 3507 3508 if (status & EV_AWAKE) { 3509 OUT4500(ai, EVACK, EV_AWAKE); 3510 OUT4500(ai, EVACK, EV_AWAKE); 3511 } 3512 3513 if (!savedInterrupts) { 3514 savedInterrupts = IN4500(ai, EVINTEN); 3515 OUT4500(ai, EVINTEN, 0); 3516 } 3517 3518 if (status & EV_MIC) { 3519 OUT4500(ai, EVACK, EV_MIC); 3520 airo_handle_cisco_mic(ai); 3521 } 3522 3523 if (status & EV_LINK) { 3524 /* Link status changed */ 3525 airo_handle_link(ai); 3526 } 3527 3528 /* Check to see if there is something to receive */ 3529 if (status & EV_RX) 3530 airo_handle_rx(ai); 3531 3532 /* Check to see if a packet has been transmitted */ 3533 if (status & (EV_TX | EV_TXCPY | EV_TXEXC)) 3534 airo_handle_tx(ai, status); 3535 3536 if (status & ~STATUS_INTS & ~IGNORE_INTS) { 3537 airo_print_warn(ai->dev->name, "Got weird status %x", 3538 status & ~STATUS_INTS & ~IGNORE_INTS); 3539 } 3540 } 3541 3542 if (savedInterrupts) 3543 OUT4500(ai, EVINTEN, savedInterrupts); 3544 3545 return IRQ_RETVAL(handled); 3546 } 3547 3548 /* 3549 * Routines to talk to the card 3550 */ 3551 3552 /* 3553 * This was originally written for the 4500, hence the name 3554 * NOTE: If use with 8bit mode and SMP bad things will happen! 3555 * Why would some one do 8 bit IO in an SMP machine?!? 3556 */ 3557 static void OUT4500(struct airo_info *ai, u16 reg, u16 val) 3558 { 3559 if (test_bit(FLAG_MPI,&ai->flags)) 3560 reg <<= 1; 3561 if (!do8bitIO) 3562 outw(val, ai->dev->base_addr + reg); 3563 else { 3564 outb(val & 0xff, ai->dev->base_addr + reg); 3565 outb(val >> 8, ai->dev->base_addr + reg + 1); 3566 } 3567 } 3568 3569 static u16 IN4500(struct airo_info *ai, u16 reg) 3570 { 3571 unsigned short rc; 3572 3573 if (test_bit(FLAG_MPI,&ai->flags)) 3574 reg <<= 1; 3575 if (!do8bitIO) 3576 rc = inw(ai->dev->base_addr + reg); 3577 else { 3578 rc = inb(ai->dev->base_addr + reg); 3579 rc += ((int)inb(ai->dev->base_addr + reg + 1)) << 8; 3580 } 3581 return rc; 3582 } 3583 3584 static int enable_MAC(struct airo_info *ai, int lock) 3585 { 3586 int rc; 3587 Cmd cmd; 3588 Resp rsp; 3589 3590 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions 3591 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down" 3592 * Note : we could try to use !netif_running(dev) in enable_MAC() 3593 * instead of this flag, but I don't trust it *within* the 3594 * open/close functions, and testing both flags together is 3595 * "cheaper" - Jean II */ 3596 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS; 3597 3598 if (lock && down_interruptible(&ai->sem)) 3599 return -ERESTARTSYS; 3600 3601 if (!test_bit(FLAG_ENABLED, &ai->flags)) { 3602 memset(&cmd, 0, sizeof(cmd)); 3603 cmd.cmd = MAC_ENABLE; 3604 rc = issuecommand(ai, &cmd, &rsp, true); 3605 if (rc == SUCCESS) 3606 set_bit(FLAG_ENABLED, &ai->flags); 3607 } else 3608 rc = SUCCESS; 3609 3610 if (lock) 3611 up(&ai->sem); 3612 3613 if (rc) 3614 airo_print_err(ai->dev->name, "Cannot enable MAC"); 3615 else if ((rsp.status & 0xFF00) != 0) { 3616 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, " 3617 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2); 3618 rc = ERROR; 3619 } 3620 return rc; 3621 } 3622 3623 static void disable_MAC(struct airo_info *ai, int lock) 3624 { 3625 Cmd cmd; 3626 Resp rsp; 3627 3628 if (lock == 1 && down_interruptible(&ai->sem)) 3629 return; 3630 3631 if (test_bit(FLAG_ENABLED, &ai->flags)) { 3632 if (lock != 2) /* lock == 2 means don't disable carrier */ 3633 netif_carrier_off(ai->dev); 3634 memset(&cmd, 0, sizeof(cmd)); 3635 cmd.cmd = MAC_DISABLE; // disable in case already enabled 3636 issuecommand(ai, &cmd, &rsp, true); 3637 clear_bit(FLAG_ENABLED, &ai->flags); 3638 } 3639 if (lock == 1) 3640 up(&ai->sem); 3641 } 3642 3643 static void enable_interrupts(struct airo_info *ai) 3644 { 3645 /* Enable the interrupts */ 3646 OUT4500(ai, EVINTEN, STATUS_INTS); 3647 } 3648 3649 static void disable_interrupts(struct airo_info *ai) 3650 { 3651 OUT4500(ai, EVINTEN, 0); 3652 } 3653 3654 static void mpi_receive_802_3(struct airo_info *ai) 3655 { 3656 RxFid rxd; 3657 int len = 0; 3658 struct sk_buff *skb; 3659 char *buffer; 3660 int off = 0; 3661 MICBuffer micbuf; 3662 3663 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3664 /* Make sure we got something */ 3665 if (rxd.rdy && rxd.valid == 0) { 3666 len = rxd.len + 12; 3667 if (len < 12 || len > 2048) 3668 goto badrx; 3669 3670 skb = dev_alloc_skb(len); 3671 if (!skb) { 3672 ai->dev->stats.rx_dropped++; 3673 goto badrx; 3674 } 3675 buffer = skb_put(skb, len); 3676 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2); 3677 if (ai->micstats.enabled) { 3678 memcpy(&micbuf, 3679 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2, 3680 sizeof(micbuf)); 3681 if (ntohs(micbuf.typelen) <= 0x05DC) { 3682 if (len <= sizeof(micbuf) + ETH_ALEN * 2) 3683 goto badmic; 3684 3685 off = sizeof(micbuf); 3686 skb_trim (skb, len - off); 3687 } 3688 } 3689 memcpy(buffer + ETH_ALEN * 2, 3690 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off, 3691 len - ETH_ALEN * 2 - off); 3692 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) { 3693 badmic: 3694 dev_kfree_skb_irq (skb); 3695 goto badrx; 3696 } 3697 #ifdef WIRELESS_SPY 3698 if (ai->spy_data.spy_number > 0) { 3699 char *sa; 3700 struct iw_quality wstats; 3701 /* Prepare spy data : addr + qual */ 3702 sa = buffer + ETH_ALEN; 3703 wstats.qual = 0; /* XXX Where do I get that info from ??? */ 3704 wstats.level = 0; 3705 wstats.updated = 0; 3706 /* Update spy records */ 3707 wireless_spy_update(ai->dev, sa, &wstats); 3708 } 3709 #endif /* WIRELESS_SPY */ 3710 3711 skb->ip_summed = CHECKSUM_NONE; 3712 skb->protocol = eth_type_trans(skb, ai->dev); 3713 netif_rx(skb); 3714 } 3715 badrx: 3716 if (rxd.valid == 0) { 3717 rxd.valid = 1; 3718 rxd.rdy = 0; 3719 rxd.len = PKTSIZE; 3720 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3721 } 3722 } 3723 3724 static void mpi_receive_802_11(struct airo_info *ai) 3725 { 3726 RxFid rxd; 3727 struct sk_buff *skb = NULL; 3728 u16 len, hdrlen = 0; 3729 __le16 fc; 3730 struct rx_hdr hdr; 3731 u16 gap; 3732 u16 *buffer; 3733 char *ptr = ai->rxfids[0].virtual_host_addr + 4; 3734 3735 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3736 memcpy ((char *)&hdr, ptr, sizeof(hdr)); 3737 ptr += sizeof(hdr); 3738 /* Bad CRC. Ignore packet */ 3739 if (le16_to_cpu(hdr.status) & 2) 3740 hdr.len = 0; 3741 if (ai->wifidev == NULL) 3742 hdr.len = 0; 3743 len = le16_to_cpu(hdr.len); 3744 if (len > AIRO_DEF_MTU) { 3745 airo_print_err(ai->dev->name, "Bad size %d", len); 3746 goto badrx; 3747 } 3748 if (len == 0) 3749 goto badrx; 3750 3751 fc = get_unaligned((__le16 *)ptr); 3752 hdrlen = header_len(fc); 3753 3754 skb = dev_alloc_skb(len + hdrlen + 2); 3755 if (!skb) { 3756 ai->dev->stats.rx_dropped++; 3757 goto badrx; 3758 } 3759 buffer = skb_put(skb, len + hdrlen); 3760 memcpy ((char *)buffer, ptr, hdrlen); 3761 ptr += hdrlen; 3762 if (hdrlen == 24) 3763 ptr += 6; 3764 gap = get_unaligned_le16(ptr); 3765 ptr += sizeof(__le16); 3766 if (gap) { 3767 if (gap <= 8) 3768 ptr += gap; 3769 else 3770 airo_print_err(ai->dev->name, 3771 "gaplen too big. Problems will follow..."); 3772 } 3773 memcpy ((char *)buffer + hdrlen, ptr, len); 3774 ptr += len; 3775 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ 3776 if (ai->spy_data.spy_number > 0) { 3777 char *sa; 3778 struct iw_quality wstats; 3779 /* Prepare spy data : addr + qual */ 3780 sa = (char*)buffer + 10; 3781 wstats.qual = hdr.rssi[0]; 3782 if (ai->rssi) 3783 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3784 else 3785 wstats.level = (hdr.rssi[1] + 321) / 2; 3786 wstats.noise = ai->wstats.qual.noise; 3787 wstats.updated = IW_QUAL_QUAL_UPDATED 3788 | IW_QUAL_LEVEL_UPDATED 3789 | IW_QUAL_DBM; 3790 /* Update spy records */ 3791 wireless_spy_update(ai->dev, sa, &wstats); 3792 } 3793 #endif /* IW_WIRELESS_SPY */ 3794 skb_reset_mac_header(skb); 3795 skb->pkt_type = PACKET_OTHERHOST; 3796 skb->dev = ai->wifidev; 3797 skb->protocol = htons(ETH_P_802_2); 3798 skb->ip_summed = CHECKSUM_NONE; 3799 netif_rx(skb); 3800 3801 badrx: 3802 if (rxd.valid == 0) { 3803 rxd.valid = 1; 3804 rxd.rdy = 0; 3805 rxd.len = PKTSIZE; 3806 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3807 } 3808 } 3809 3810 static inline void set_auth_type(struct airo_info *local, int auth_type) 3811 { 3812 local->config.authType = auth_type; 3813 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT). 3814 * Used by airo_set_auth() 3815 */ 3816 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT) 3817 local->last_auth = auth_type; 3818 } 3819 3820 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) 3821 { 3822 Cmd cmd; 3823 Resp rsp; 3824 int status; 3825 SsidRid mySsid; 3826 __le16 lastindex; 3827 WepKeyRid wkr; 3828 int rc; 3829 3830 memset(&mySsid, 0, sizeof(mySsid)); 3831 kfree (ai->flash); 3832 ai->flash = NULL; 3833 3834 /* The NOP is the first step in getting the card going */ 3835 cmd.cmd = NOP; 3836 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0; 3837 if (lock && down_interruptible(&ai->sem)) 3838 return ERROR; 3839 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 3840 if (lock) 3841 up(&ai->sem); 3842 return ERROR; 3843 } 3844 disable_MAC(ai, 0); 3845 3846 // Let's figure out if we need to use the AUX port 3847 if (!test_bit(FLAG_MPI,&ai->flags)) { 3848 cmd.cmd = CMD_ENABLEAUX; 3849 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 3850 if (lock) 3851 up(&ai->sem); 3852 airo_print_err(ai->dev->name, "Error checking for AUX port"); 3853 return ERROR; 3854 } 3855 if (!aux_bap || rsp.status & 0xff00) { 3856 ai->bap_read = fast_bap_read; 3857 airo_print_dbg(ai->dev->name, "Doing fast bap_reads"); 3858 } else { 3859 ai->bap_read = aux_bap_read; 3860 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads"); 3861 } 3862 } 3863 if (lock) 3864 up(&ai->sem); 3865 if (ai->config.len == 0) { 3866 int i; 3867 tdsRssiRid rssi_rid; 3868 CapabilityRid cap_rid; 3869 3870 kfree(ai->SSID); 3871 ai->SSID = NULL; 3872 // general configuration (read/modify/write) 3873 status = readConfigRid(ai, lock); 3874 if (status != SUCCESS) return ERROR; 3875 3876 status = readCapabilityRid(ai, &cap_rid, lock); 3877 if (status != SUCCESS) return ERROR; 3878 3879 status = PC4500_readrid(ai, RID_RSSI,&rssi_rid, sizeof(rssi_rid), lock); 3880 if (status == SUCCESS) { 3881 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL) 3882 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */ 3883 } 3884 else { 3885 kfree(ai->rssi); 3886 ai->rssi = NULL; 3887 if (cap_rid.softCap & cpu_to_le16(8)) 3888 ai->config.rmode |= RXMODE_NORMALIZED_RSSI; 3889 else 3890 airo_print_warn(ai->dev->name, "unknown received signal " 3891 "level scale"); 3892 } 3893 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS; 3894 set_auth_type(ai, AUTH_OPEN); 3895 ai->config.modulation = MOD_CCK; 3896 3897 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) && 3898 (cap_rid.extSoftCap & cpu_to_le16(1)) && 3899 micsetup(ai) == SUCCESS) { 3900 ai->config.opmode |= MODE_MIC; 3901 set_bit(FLAG_MIC_CAPABLE, &ai->flags); 3902 } 3903 3904 /* Save off the MAC */ 3905 for (i = 0; i < ETH_ALEN; i++) { 3906 mac[i] = ai->config.macAddr[i]; 3907 } 3908 3909 /* Check to see if there are any insmod configured 3910 rates to add */ 3911 if (rates[0]) { 3912 memset(ai->config.rates, 0, sizeof(ai->config.rates)); 3913 for (i = 0; i < 8 && rates[i]; i++) { 3914 ai->config.rates[i] = rates[i]; 3915 } 3916 } 3917 set_bit (FLAG_COMMIT, &ai->flags); 3918 } 3919 3920 /* Setup the SSIDs if present */ 3921 if (ssids[0]) { 3922 int i; 3923 for (i = 0; i < 3 && ssids[i]; i++) { 3924 size_t len = strlen(ssids[i]); 3925 if (len > 32) 3926 len = 32; 3927 mySsid.ssids[i].len = cpu_to_le16(len); 3928 memcpy(mySsid.ssids[i].ssid, ssids[i], len); 3929 } 3930 mySsid.len = cpu_to_le16(sizeof(mySsid)); 3931 } 3932 3933 status = writeConfigRid(ai, lock); 3934 if (status != SUCCESS) return ERROR; 3935 3936 /* Set up the SSID list */ 3937 if (ssids[0]) { 3938 status = writeSsidRid(ai, &mySsid, lock); 3939 if (status != SUCCESS) return ERROR; 3940 } 3941 3942 status = enable_MAC(ai, lock); 3943 if (status != SUCCESS) 3944 return ERROR; 3945 3946 /* Grab the initial wep key, we gotta save it for auto_wep */ 3947 rc = readWepKeyRid(ai, &wkr, 1, lock); 3948 if (rc == SUCCESS) do { 3949 lastindex = wkr.kindex; 3950 if (wkr.kindex == cpu_to_le16(0xffff)) { 3951 ai->defindex = wkr.mac[0]; 3952 } 3953 rc = readWepKeyRid(ai, &wkr, 0, lock); 3954 } while (lastindex != wkr.kindex); 3955 3956 try_auto_wep(ai); 3957 3958 return SUCCESS; 3959 } 3960 3961 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp, 3962 bool may_sleep) 3963 { 3964 // Im really paranoid about letting it run forever! 3965 int max_tries = 600000; 3966 3967 if (IN4500(ai, EVSTAT) & EV_CMD) 3968 OUT4500(ai, EVACK, EV_CMD); 3969 3970 OUT4500(ai, PARAM0, pCmd->parm0); 3971 OUT4500(ai, PARAM1, pCmd->parm1); 3972 OUT4500(ai, PARAM2, pCmd->parm2); 3973 OUT4500(ai, COMMAND, pCmd->cmd); 3974 3975 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) { 3976 if ((IN4500(ai, COMMAND)) == pCmd->cmd) 3977 // PC4500 didn't notice command, try again 3978 OUT4500(ai, COMMAND, pCmd->cmd); 3979 if (may_sleep && (max_tries & 255) == 0) 3980 cond_resched(); 3981 } 3982 3983 if (max_tries == -1) { 3984 airo_print_err(ai->dev->name, 3985 "Max tries exceeded when issuing command"); 3986 if (IN4500(ai, COMMAND) & COMMAND_BUSY) 3987 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 3988 return ERROR; 3989 } 3990 3991 // command completed 3992 pRsp->status = IN4500(ai, STATUS); 3993 pRsp->rsp0 = IN4500(ai, RESP0); 3994 pRsp->rsp1 = IN4500(ai, RESP1); 3995 pRsp->rsp2 = IN4500(ai, RESP2); 3996 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) 3997 airo_print_err(ai->dev->name, 3998 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x", 3999 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1, 4000 pRsp->rsp2); 4001 4002 // clear stuck command busy if necessary 4003 if (IN4500(ai, COMMAND) & COMMAND_BUSY) { 4004 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 4005 } 4006 // acknowledge processing the status/response 4007 OUT4500(ai, EVACK, EV_CMD); 4008 4009 return SUCCESS; 4010 } 4011 4012 /* Sets up the bap to start exchange data. whichbap should 4013 * be one of the BAP0 or BAP1 defines. Locks should be held before 4014 * calling! */ 4015 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap) 4016 { 4017 int timeout = 50; 4018 int max_tries = 3; 4019 4020 OUT4500(ai, SELECT0+whichbap, rid); 4021 OUT4500(ai, OFFSET0+whichbap, offset); 4022 while (1) { 4023 int status = IN4500(ai, OFFSET0+whichbap); 4024 if (status & BAP_BUSY) { 4025 /* This isn't really a timeout, but its kinda 4026 close */ 4027 if (timeout--) { 4028 continue; 4029 } 4030 } else if (status & BAP_ERR) { 4031 /* invalid rid or offset */ 4032 airo_print_err(ai->dev->name, "BAP error %x %d", 4033 status, whichbap); 4034 return ERROR; 4035 } else if (status & BAP_DONE) { // success 4036 return SUCCESS; 4037 } 4038 if (!(max_tries--)) { 4039 airo_print_err(ai->dev->name, 4040 "BAP setup error too many retries\n"); 4041 return ERROR; 4042 } 4043 // -- PC4500 missed it, try again 4044 OUT4500(ai, SELECT0+whichbap, rid); 4045 OUT4500(ai, OFFSET0+whichbap, offset); 4046 timeout = 50; 4047 } 4048 } 4049 4050 /* should only be called by aux_bap_read. This aux function and the 4051 following use concepts not documented in the developers guide. I 4052 got them from a patch given to my by Aironet */ 4053 static u16 aux_setup(struct airo_info *ai, u16 page, 4054 u16 offset, u16 *len) 4055 { 4056 u16 next; 4057 4058 OUT4500(ai, AUXPAGE, page); 4059 OUT4500(ai, AUXOFF, 0); 4060 next = IN4500(ai, AUXDATA); 4061 *len = IN4500(ai, AUXDATA)&0xff; 4062 if (offset != 4) OUT4500(ai, AUXOFF, offset); 4063 return next; 4064 } 4065 4066 /* requires call to bap_setup() first */ 4067 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4068 int bytelen, int whichbap) 4069 { 4070 u16 len; 4071 u16 page; 4072 u16 offset; 4073 u16 next; 4074 int words; 4075 int i; 4076 unsigned long flags; 4077 4078 spin_lock_irqsave(&ai->aux_lock, flags); 4079 page = IN4500(ai, SWS0+whichbap); 4080 offset = IN4500(ai, SWS2+whichbap); 4081 next = aux_setup(ai, page, offset, &len); 4082 words = (bytelen+1)>>1; 4083 4084 for (i = 0; i<words;) { 4085 int count; 4086 count = (len>>1) < (words-i) ? (len>>1) : (words-i); 4087 if (!do8bitIO) 4088 insw(ai->dev->base_addr+DATA0+whichbap, 4089 pu16Dst+i, count); 4090 else 4091 insb(ai->dev->base_addr+DATA0+whichbap, 4092 pu16Dst+i, count << 1); 4093 i += count; 4094 if (i<words) { 4095 next = aux_setup(ai, next, 4, &len); 4096 } 4097 } 4098 spin_unlock_irqrestore(&ai->aux_lock, flags); 4099 return SUCCESS; 4100 } 4101 4102 4103 /* requires call to bap_setup() first */ 4104 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4105 int bytelen, int whichbap) 4106 { 4107 bytelen = (bytelen + 1) & (~1); // round up to even value 4108 if (!do8bitIO) 4109 insw(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1); 4110 else 4111 insb(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen); 4112 return SUCCESS; 4113 } 4114 4115 /* requires call to bap_setup() first */ 4116 static int bap_write(struct airo_info *ai, const __le16 *pu16Src, 4117 int bytelen, int whichbap) 4118 { 4119 bytelen = (bytelen + 1) & (~1); // round up to even value 4120 if (!do8bitIO) 4121 outsw(ai->dev->base_addr+DATA0+whichbap, 4122 pu16Src, bytelen>>1); 4123 else 4124 outsb(ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen); 4125 return SUCCESS; 4126 } 4127 4128 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd) 4129 { 4130 Cmd cmd; /* for issuing commands */ 4131 Resp rsp; /* response from commands */ 4132 u16 status; 4133 4134 memset(&cmd, 0, sizeof(cmd)); 4135 cmd.cmd = accmd; 4136 cmd.parm0 = rid; 4137 status = issuecommand(ai, &cmd, &rsp, true); 4138 if (status != 0) return status; 4139 if ((rsp.status & 0x7F00) != 0) { 4140 return (accmd << 8) + (rsp.rsp0 & 0xFF); 4141 } 4142 return 0; 4143 } 4144 4145 /* Note, that we are using BAP1 which is also used by transmit, so 4146 * we must get a lock. */ 4147 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock) 4148 { 4149 u16 status; 4150 int rc = SUCCESS; 4151 4152 if (lock) { 4153 if (down_interruptible(&ai->sem)) 4154 return ERROR; 4155 } 4156 if (test_bit(FLAG_MPI,&ai->flags)) { 4157 Cmd cmd; 4158 Resp rsp; 4159 4160 memset(&cmd, 0, sizeof(cmd)); 4161 memset(&rsp, 0, sizeof(rsp)); 4162 ai->config_desc.rid_desc.valid = 1; 4163 ai->config_desc.rid_desc.len = RIDSIZE; 4164 ai->config_desc.rid_desc.rid = 0; 4165 ai->config_desc.rid_desc.host_addr = ai->ridbus; 4166 4167 cmd.cmd = CMD_ACCESS; 4168 cmd.parm0 = rid; 4169 4170 memcpy_toio(ai->config_desc.card_ram_off, 4171 &ai->config_desc.rid_desc, sizeof(Rid)); 4172 4173 rc = issuecommand(ai, &cmd, &rsp, true); 4174 4175 if (rsp.status & 0x7f00) 4176 rc = rsp.rsp0; 4177 if (!rc) 4178 memcpy(pBuf, ai->config_desc.virtual_host_addr, len); 4179 goto done; 4180 } else { 4181 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) { 4182 rc = status; 4183 goto done; 4184 } 4185 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4186 rc = ERROR; 4187 goto done; 4188 } 4189 // read the rid length field 4190 bap_read(ai, pBuf, 2, BAP1); 4191 // length for remaining part of rid 4192 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2; 4193 4194 if (len <= 2) { 4195 airo_print_err(ai->dev->name, 4196 "Rid %x has a length of %d which is too short", 4197 (int)rid, (int)len); 4198 rc = ERROR; 4199 goto done; 4200 } 4201 // read remainder of the rid 4202 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1); 4203 } 4204 done: 4205 if (lock) 4206 up(&ai->sem); 4207 return rc; 4208 } 4209 4210 /* Note, that we are using BAP1 which is also used by transmit, so 4211 * make sure this isn't called when a transmit is happening */ 4212 static int PC4500_writerid(struct airo_info *ai, u16 rid, 4213 const void *pBuf, int len, int lock) 4214 { 4215 u16 status; 4216 int rc = SUCCESS; 4217 4218 *(__le16*)pBuf = cpu_to_le16((u16)len); 4219 4220 if (lock) { 4221 if (down_interruptible(&ai->sem)) 4222 return ERROR; 4223 } 4224 if (test_bit(FLAG_MPI,&ai->flags)) { 4225 Cmd cmd; 4226 Resp rsp; 4227 4228 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid)) 4229 airo_print_err(ai->dev->name, 4230 "%s: MAC should be disabled (rid=%04x)", 4231 __func__, rid); 4232 memset(&cmd, 0, sizeof(cmd)); 4233 memset(&rsp, 0, sizeof(rsp)); 4234 4235 ai->config_desc.rid_desc.valid = 1; 4236 ai->config_desc.rid_desc.len = *((u16 *)pBuf); 4237 ai->config_desc.rid_desc.rid = 0; 4238 4239 cmd.cmd = CMD_WRITERID; 4240 cmd.parm0 = rid; 4241 4242 memcpy_toio(ai->config_desc.card_ram_off, 4243 &ai->config_desc.rid_desc, sizeof(Rid)); 4244 4245 if (len < 4 || len > 2047) { 4246 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len); 4247 rc = -1; 4248 } else { 4249 memcpy(ai->config_desc.virtual_host_addr, 4250 pBuf, len); 4251 4252 rc = issuecommand(ai, &cmd, &rsp, true); 4253 if ((rc & 0xff00) != 0) { 4254 airo_print_err(ai->dev->name, "%s: Write rid Error %d", 4255 __func__, rc); 4256 airo_print_err(ai->dev->name, "%s: Cmd=%04x", 4257 __func__, cmd.cmd); 4258 } 4259 4260 if ((rsp.status & 0x7f00)) 4261 rc = rsp.rsp0; 4262 } 4263 } else { 4264 // --- first access so that we can write the rid data 4265 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) { 4266 rc = status; 4267 goto done; 4268 } 4269 // --- now write the rid data 4270 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4271 rc = ERROR; 4272 goto done; 4273 } 4274 bap_write(ai, pBuf, len, BAP1); 4275 // ---now commit the rid data 4276 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS); 4277 } 4278 done: 4279 if (lock) 4280 up(&ai->sem); 4281 return rc; 4282 } 4283 4284 /* Allocates a FID to be used for transmitting packets. We only use 4285 one for now. */ 4286 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw) 4287 { 4288 unsigned int loop = 3000; 4289 Cmd cmd; 4290 Resp rsp; 4291 u16 txFid; 4292 __le16 txControl; 4293 4294 cmd.cmd = CMD_ALLOCATETX; 4295 cmd.parm0 = lenPayload; 4296 if (down_interruptible(&ai->sem)) 4297 return ERROR; 4298 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 4299 txFid = ERROR; 4300 goto done; 4301 } 4302 if ((rsp.status & 0xFF00) != 0) { 4303 txFid = ERROR; 4304 goto done; 4305 } 4306 /* wait for the allocate event/indication 4307 * It makes me kind of nervous that this can just sit here and spin, 4308 * but in practice it only loops like four times. */ 4309 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop); 4310 if (!loop) { 4311 txFid = ERROR; 4312 goto done; 4313 } 4314 4315 // get the allocated fid and acknowledge 4316 txFid = IN4500(ai, TXALLOCFID); 4317 OUT4500(ai, EVACK, EV_ALLOC); 4318 4319 /* The CARD is pretty cool since it converts the ethernet packet 4320 * into 802.11. Also note that we don't release the FID since we 4321 * will be using the same one over and over again. */ 4322 /* We only have to setup the control once since we are not 4323 * releasing the fid. */ 4324 if (raw) 4325 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11 4326 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4327 else 4328 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3 4329 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4330 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) 4331 txFid = ERROR; 4332 else 4333 bap_write(ai, &txControl, sizeof(txControl), BAP1); 4334 4335 done: 4336 up(&ai->sem); 4337 4338 return txFid; 4339 } 4340 4341 /* In general BAP1 is dedicated to transmiting packets. However, 4342 since we need a BAP when accessing RIDs, we also use BAP1 for that. 4343 Make sure the BAP1 spinlock is held when this is called. */ 4344 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket, 4345 bool may_sleep) 4346 { 4347 __le16 payloadLen; 4348 Cmd cmd; 4349 Resp rsp; 4350 int miclen = 0; 4351 u16 txFid = len; 4352 MICBuffer pMic; 4353 4354 len >>= 16; 4355 4356 if (len <= ETH_ALEN * 2) { 4357 airo_print_warn(ai->dev->name, "Short packet %d", len); 4358 return ERROR; 4359 } 4360 len -= ETH_ALEN * 2; 4361 4362 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 4363 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) { 4364 if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS) 4365 return ERROR; 4366 miclen = sizeof(pMic); 4367 } 4368 // packet is destination[6], source[6], payload[len-12] 4369 // write the payload length and dst/src/payload 4370 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR; 4371 /* The hardware addresses aren't counted as part of the payload, so 4372 * we have to subtract the 12 bytes for the addresses off */ 4373 payloadLen = cpu_to_le16(len + miclen); 4374 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); 4375 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1); 4376 if (miclen) 4377 bap_write(ai, (__le16*)&pMic, miclen, BAP1); 4378 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1); 4379 // issue the transmit command 4380 memset(&cmd, 0, sizeof(cmd)); 4381 cmd.cmd = CMD_TRANSMIT; 4382 cmd.parm0 = txFid; 4383 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS) 4384 return ERROR; 4385 if ((rsp.status & 0xFF00) != 0) return ERROR; 4386 return SUCCESS; 4387 } 4388 4389 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket, 4390 bool may_sleep) 4391 { 4392 __le16 fc, payloadLen; 4393 Cmd cmd; 4394 Resp rsp; 4395 int hdrlen; 4396 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6}; 4397 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */ 4398 u16 txFid = len; 4399 len >>= 16; 4400 4401 fc = *(__le16*)pPacket; 4402 hdrlen = header_len(fc); 4403 4404 if (len < hdrlen) { 4405 airo_print_warn(ai->dev->name, "Short packet %d", len); 4406 return ERROR; 4407 } 4408 4409 /* packet is 802.11 header + payload 4410 * write the payload length and dst/src/payload */ 4411 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR; 4412 /* The 802.11 header aren't counted as part of the payload, so 4413 * we have to subtract the header bytes off */ 4414 payloadLen = cpu_to_le16(len-hdrlen); 4415 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); 4416 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR; 4417 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1); 4418 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1); 4419 4420 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1); 4421 // issue the transmit command 4422 memset(&cmd, 0, sizeof(cmd)); 4423 cmd.cmd = CMD_TRANSMIT; 4424 cmd.parm0 = txFid; 4425 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS) 4426 return ERROR; 4427 if ((rsp.status & 0xFF00) != 0) return ERROR; 4428 return SUCCESS; 4429 } 4430 4431 /* 4432 * This is the proc_fs routines. It is a bit messier than I would 4433 * like! Feel free to clean it up! 4434 */ 4435 4436 static ssize_t proc_read(struct file *file, 4437 char __user *buffer, 4438 size_t len, 4439 loff_t *offset); 4440 4441 static ssize_t proc_write(struct file *file, 4442 const char __user *buffer, 4443 size_t len, 4444 loff_t *offset); 4445 static int proc_close(struct inode *inode, struct file *file); 4446 4447 static int proc_stats_open(struct inode *inode, struct file *file); 4448 static int proc_statsdelta_open(struct inode *inode, struct file *file); 4449 static int proc_status_open(struct inode *inode, struct file *file); 4450 static int proc_SSID_open(struct inode *inode, struct file *file); 4451 static int proc_APList_open(struct inode *inode, struct file *file); 4452 static int proc_BSSList_open(struct inode *inode, struct file *file); 4453 static int proc_config_open(struct inode *inode, struct file *file); 4454 static int proc_wepkey_open(struct inode *inode, struct file *file); 4455 4456 static const struct proc_ops proc_statsdelta_ops = { 4457 .proc_read = proc_read, 4458 .proc_open = proc_statsdelta_open, 4459 .proc_release = proc_close, 4460 .proc_lseek = default_llseek, 4461 }; 4462 4463 static const struct proc_ops proc_stats_ops = { 4464 .proc_read = proc_read, 4465 .proc_open = proc_stats_open, 4466 .proc_release = proc_close, 4467 .proc_lseek = default_llseek, 4468 }; 4469 4470 static const struct proc_ops proc_status_ops = { 4471 .proc_read = proc_read, 4472 .proc_open = proc_status_open, 4473 .proc_release = proc_close, 4474 .proc_lseek = default_llseek, 4475 }; 4476 4477 static const struct proc_ops proc_SSID_ops = { 4478 .proc_read = proc_read, 4479 .proc_write = proc_write, 4480 .proc_open = proc_SSID_open, 4481 .proc_release = proc_close, 4482 .proc_lseek = default_llseek, 4483 }; 4484 4485 static const struct proc_ops proc_BSSList_ops = { 4486 .proc_read = proc_read, 4487 .proc_write = proc_write, 4488 .proc_open = proc_BSSList_open, 4489 .proc_release = proc_close, 4490 .proc_lseek = default_llseek, 4491 }; 4492 4493 static const struct proc_ops proc_APList_ops = { 4494 .proc_read = proc_read, 4495 .proc_write = proc_write, 4496 .proc_open = proc_APList_open, 4497 .proc_release = proc_close, 4498 .proc_lseek = default_llseek, 4499 }; 4500 4501 static const struct proc_ops proc_config_ops = { 4502 .proc_read = proc_read, 4503 .proc_write = proc_write, 4504 .proc_open = proc_config_open, 4505 .proc_release = proc_close, 4506 .proc_lseek = default_llseek, 4507 }; 4508 4509 static const struct proc_ops proc_wepkey_ops = { 4510 .proc_read = proc_read, 4511 .proc_write = proc_write, 4512 .proc_open = proc_wepkey_open, 4513 .proc_release = proc_close, 4514 .proc_lseek = default_llseek, 4515 }; 4516 4517 static struct proc_dir_entry *airo_entry; 4518 4519 struct proc_data { 4520 int release_buffer; 4521 int readlen; 4522 char *rbuffer; 4523 int writelen; 4524 int maxwritelen; 4525 char *wbuffer; 4526 void (*on_close) (struct inode *, struct file *); 4527 }; 4528 4529 static int setup_proc_entry(struct net_device *dev, 4530 struct airo_info *apriv) 4531 { 4532 struct proc_dir_entry *entry; 4533 4534 /* First setup the device directory */ 4535 strcpy(apriv->proc_name, dev->name); 4536 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm, 4537 airo_entry); 4538 if (!apriv->proc_entry) 4539 return -ENOMEM; 4540 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid); 4541 4542 /* Setup the StatsDelta */ 4543 entry = proc_create_data("StatsDelta", 0444 & proc_perm, 4544 apriv->proc_entry, &proc_statsdelta_ops, dev); 4545 if (!entry) 4546 goto fail; 4547 proc_set_user(entry, proc_kuid, proc_kgid); 4548 4549 /* Setup the Stats */ 4550 entry = proc_create_data("Stats", 0444 & proc_perm, 4551 apriv->proc_entry, &proc_stats_ops, dev); 4552 if (!entry) 4553 goto fail; 4554 proc_set_user(entry, proc_kuid, proc_kgid); 4555 4556 /* Setup the Status */ 4557 entry = proc_create_data("Status", 0444 & proc_perm, 4558 apriv->proc_entry, &proc_status_ops, dev); 4559 if (!entry) 4560 goto fail; 4561 proc_set_user(entry, proc_kuid, proc_kgid); 4562 4563 /* Setup the Config */ 4564 entry = proc_create_data("Config", proc_perm, 4565 apriv->proc_entry, &proc_config_ops, dev); 4566 if (!entry) 4567 goto fail; 4568 proc_set_user(entry, proc_kuid, proc_kgid); 4569 4570 /* Setup the SSID */ 4571 entry = proc_create_data("SSID", proc_perm, 4572 apriv->proc_entry, &proc_SSID_ops, dev); 4573 if (!entry) 4574 goto fail; 4575 proc_set_user(entry, proc_kuid, proc_kgid); 4576 4577 /* Setup the APList */ 4578 entry = proc_create_data("APList", proc_perm, 4579 apriv->proc_entry, &proc_APList_ops, dev); 4580 if (!entry) 4581 goto fail; 4582 proc_set_user(entry, proc_kuid, proc_kgid); 4583 4584 /* Setup the BSSList */ 4585 entry = proc_create_data("BSSList", proc_perm, 4586 apriv->proc_entry, &proc_BSSList_ops, dev); 4587 if (!entry) 4588 goto fail; 4589 proc_set_user(entry, proc_kuid, proc_kgid); 4590 4591 /* Setup the WepKey */ 4592 entry = proc_create_data("WepKey", proc_perm, 4593 apriv->proc_entry, &proc_wepkey_ops, dev); 4594 if (!entry) 4595 goto fail; 4596 proc_set_user(entry, proc_kuid, proc_kgid); 4597 return 0; 4598 4599 fail: 4600 remove_proc_subtree(apriv->proc_name, airo_entry); 4601 return -ENOMEM; 4602 } 4603 4604 static int takedown_proc_entry(struct net_device *dev, 4605 struct airo_info *apriv) 4606 { 4607 remove_proc_subtree(apriv->proc_name, airo_entry); 4608 return 0; 4609 } 4610 4611 /* 4612 * What we want from the proc_fs is to be able to efficiently read 4613 * and write the configuration. To do this, we want to read the 4614 * configuration when the file is opened and write it when the file is 4615 * closed. So basically we allocate a read buffer at open and fill it 4616 * with data, and allocate a write buffer and read it at close. 4617 */ 4618 4619 /* 4620 * The read routine is generic, it relies on the preallocated rbuffer 4621 * to supply the data. 4622 */ 4623 static ssize_t proc_read(struct file *file, 4624 char __user *buffer, 4625 size_t len, 4626 loff_t *offset) 4627 { 4628 struct proc_data *priv = file->private_data; 4629 4630 if (!priv->rbuffer) 4631 return -EINVAL; 4632 4633 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer, 4634 priv->readlen); 4635 } 4636 4637 /* 4638 * The write routine is generic, it fills in a preallocated rbuffer 4639 * to supply the data. 4640 */ 4641 static ssize_t proc_write(struct file *file, 4642 const char __user *buffer, 4643 size_t len, 4644 loff_t *offset) 4645 { 4646 ssize_t ret; 4647 struct proc_data *priv = file->private_data; 4648 4649 if (!priv->wbuffer) 4650 return -EINVAL; 4651 4652 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset, 4653 buffer, len); 4654 if (ret > 0) 4655 priv->writelen = max_t(int, priv->writelen, *offset); 4656 4657 return ret; 4658 } 4659 4660 static int proc_status_open(struct inode *inode, struct file *file) 4661 { 4662 struct proc_data *data; 4663 struct net_device *dev = PDE_DATA(inode); 4664 struct airo_info *apriv = dev->ml_priv; 4665 CapabilityRid cap_rid; 4666 StatusRid status_rid; 4667 u16 mode; 4668 int i; 4669 4670 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4671 return -ENOMEM; 4672 data = file->private_data; 4673 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 4674 kfree (file->private_data); 4675 return -ENOMEM; 4676 } 4677 4678 readStatusRid(apriv, &status_rid, 1); 4679 readCapabilityRid(apriv, &cap_rid, 1); 4680 4681 mode = le16_to_cpu(status_rid.mode); 4682 4683 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n", 4684 mode & 1 ? "CFG ": "", 4685 mode & 2 ? "ACT ": "", 4686 mode & 0x10 ? "SYN ": "", 4687 mode & 0x20 ? "LNK ": "", 4688 mode & 0x40 ? "LEAP ": "", 4689 mode & 0x80 ? "PRIV ": "", 4690 mode & 0x100 ? "KEY ": "", 4691 mode & 0x200 ? "WEP ": "", 4692 mode & 0x8000 ? "ERR ": ""); 4693 sprintf(data->rbuffer+i, "Mode: %x\n" 4694 "Signal Strength: %d\n" 4695 "Signal Quality: %d\n" 4696 "SSID: %-.*s\n" 4697 "AP: %-.16s\n" 4698 "Freq: %d\n" 4699 "BitRate: %dmbs\n" 4700 "Driver Version: %s\n" 4701 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n" 4702 "Radio type: %x\nCountry: %x\nHardware Version: %x\n" 4703 "Software Version: %x\nSoftware Subversion: %x\n" 4704 "Boot block version: %x\n", 4705 le16_to_cpu(status_rid.mode), 4706 le16_to_cpu(status_rid.normalizedSignalStrength), 4707 le16_to_cpu(status_rid.signalQuality), 4708 le16_to_cpu(status_rid.SSIDlen), 4709 status_rid.SSID, 4710 status_rid.apName, 4711 le16_to_cpu(status_rid.channel), 4712 le16_to_cpu(status_rid.currentXmitRate) / 2, 4713 version, 4714 cap_rid.prodName, 4715 cap_rid.manName, 4716 cap_rid.prodVer, 4717 le16_to_cpu(cap_rid.radioType), 4718 le16_to_cpu(cap_rid.country), 4719 le16_to_cpu(cap_rid.hardVer), 4720 le16_to_cpu(cap_rid.softVer), 4721 le16_to_cpu(cap_rid.softSubVer), 4722 le16_to_cpu(cap_rid.bootBlockVer)); 4723 data->readlen = strlen(data->rbuffer); 4724 return 0; 4725 } 4726 4727 static int proc_stats_rid_open(struct inode*, struct file*, u16); 4728 static int proc_statsdelta_open(struct inode *inode, 4729 struct file *file) 4730 { 4731 if (file->f_mode&FMODE_WRITE) { 4732 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR); 4733 } 4734 return proc_stats_rid_open(inode, file, RID_STATSDELTA); 4735 } 4736 4737 static int proc_stats_open(struct inode *inode, struct file *file) 4738 { 4739 return proc_stats_rid_open(inode, file, RID_STATS); 4740 } 4741 4742 static int proc_stats_rid_open(struct inode *inode, 4743 struct file *file, 4744 u16 rid) 4745 { 4746 struct proc_data *data; 4747 struct net_device *dev = PDE_DATA(inode); 4748 struct airo_info *apriv = dev->ml_priv; 4749 StatsRid stats; 4750 int i, j; 4751 __le32 *vals = stats.vals; 4752 int len; 4753 4754 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4755 return -ENOMEM; 4756 data = file->private_data; 4757 if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) { 4758 kfree (file->private_data); 4759 return -ENOMEM; 4760 } 4761 4762 readStatsRid(apriv, &stats, rid, 1); 4763 len = le16_to_cpu(stats.len); 4764 4765 j = 0; 4766 for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) { 4767 if (!statsLabels[i]) continue; 4768 if (j+strlen(statsLabels[i])+16>4096) { 4769 airo_print_warn(apriv->dev->name, 4770 "Potentially disastrous buffer overflow averted!"); 4771 break; 4772 } 4773 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], 4774 le32_to_cpu(vals[i])); 4775 } 4776 if (i*4 >= len) { 4777 airo_print_warn(apriv->dev->name, "Got a short rid"); 4778 } 4779 data->readlen = j; 4780 return 0; 4781 } 4782 4783 static int get_dec_u16(char *buffer, int *start, int limit) 4784 { 4785 u16 value; 4786 int valid = 0; 4787 for (value = 0; *start < limit && buffer[*start] >= '0' && 4788 buffer[*start] <= '9'; (*start)++) { 4789 valid = 1; 4790 value *= 10; 4791 value += buffer[*start] - '0'; 4792 } 4793 if (!valid) return -1; 4794 return value; 4795 } 4796 4797 static int airo_config_commit(struct net_device *dev, 4798 struct iw_request_info *info, void *zwrq, 4799 char *extra); 4800 4801 static inline int sniffing_mode(struct airo_info *ai) 4802 { 4803 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >= 4804 le16_to_cpu(RXMODE_RFMON); 4805 } 4806 4807 static void proc_config_on_close(struct inode *inode, struct file *file) 4808 { 4809 struct proc_data *data = file->private_data; 4810 struct net_device *dev = PDE_DATA(inode); 4811 struct airo_info *ai = dev->ml_priv; 4812 char *line; 4813 4814 if (!data->writelen) return; 4815 4816 readConfigRid(ai, 1); 4817 set_bit (FLAG_COMMIT, &ai->flags); 4818 4819 line = data->wbuffer; 4820 while (line[0]) { 4821 /*** Mode processing */ 4822 if (!strncmp(line, "Mode: ", 6)) { 4823 line += 6; 4824 if (sniffing_mode(ai)) 4825 set_bit (FLAG_RESET, &ai->flags); 4826 ai->config.rmode &= ~RXMODE_FULL_MASK; 4827 clear_bit (FLAG_802_11, &ai->flags); 4828 ai->config.opmode &= ~MODE_CFG_MASK; 4829 ai->config.scanMode = SCANMODE_ACTIVE; 4830 if (line[0] == 'a') { 4831 ai->config.opmode |= MODE_STA_IBSS; 4832 } else { 4833 ai->config.opmode |= MODE_STA_ESS; 4834 if (line[0] == 'r') { 4835 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 4836 ai->config.scanMode = SCANMODE_PASSIVE; 4837 set_bit (FLAG_802_11, &ai->flags); 4838 } else if (line[0] == 'y') { 4839 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER; 4840 ai->config.scanMode = SCANMODE_PASSIVE; 4841 set_bit (FLAG_802_11, &ai->flags); 4842 } else if (line[0] == 'l') 4843 ai->config.rmode |= RXMODE_LANMON; 4844 } 4845 set_bit (FLAG_COMMIT, &ai->flags); 4846 } 4847 4848 /*** Radio status */ 4849 else if (!strncmp(line,"Radio: ", 7)) { 4850 line += 7; 4851 if (!strncmp(line,"off", 3)) { 4852 set_bit (FLAG_RADIO_OFF, &ai->flags); 4853 } else { 4854 clear_bit (FLAG_RADIO_OFF, &ai->flags); 4855 } 4856 } 4857 /*** NodeName processing */ 4858 else if (!strncmp(line, "NodeName: ", 10)) { 4859 int j; 4860 4861 line += 10; 4862 memset(ai->config.nodeName, 0, 16); 4863 /* Do the name, assume a space between the mode and node name */ 4864 for (j = 0; j < 16 && line[j] != '\n'; j++) { 4865 ai->config.nodeName[j] = line[j]; 4866 } 4867 set_bit (FLAG_COMMIT, &ai->flags); 4868 } 4869 4870 /*** PowerMode processing */ 4871 else if (!strncmp(line, "PowerMode: ", 11)) { 4872 line += 11; 4873 if (!strncmp(line, "PSPCAM", 6)) { 4874 ai->config.powerSaveMode = POWERSAVE_PSPCAM; 4875 set_bit (FLAG_COMMIT, &ai->flags); 4876 } else if (!strncmp(line, "PSP", 3)) { 4877 ai->config.powerSaveMode = POWERSAVE_PSP; 4878 set_bit (FLAG_COMMIT, &ai->flags); 4879 } else { 4880 ai->config.powerSaveMode = POWERSAVE_CAM; 4881 set_bit (FLAG_COMMIT, &ai->flags); 4882 } 4883 } else if (!strncmp(line, "DataRates: ", 11)) { 4884 int v, i = 0, k = 0; /* i is index into line, 4885 k is index to rates */ 4886 4887 line += 11; 4888 while ((v = get_dec_u16(line, &i, 3))!=-1) { 4889 ai->config.rates[k++] = (u8)v; 4890 line += i + 1; 4891 i = 0; 4892 } 4893 set_bit (FLAG_COMMIT, &ai->flags); 4894 } else if (!strncmp(line, "Channel: ", 9)) { 4895 int v, i = 0; 4896 line += 9; 4897 v = get_dec_u16(line, &i, i+3); 4898 if (v != -1) { 4899 ai->config.channelSet = cpu_to_le16(v); 4900 set_bit (FLAG_COMMIT, &ai->flags); 4901 } 4902 } else if (!strncmp(line, "XmitPower: ", 11)) { 4903 int v, i = 0; 4904 line += 11; 4905 v = get_dec_u16(line, &i, i+3); 4906 if (v != -1) { 4907 ai->config.txPower = cpu_to_le16(v); 4908 set_bit (FLAG_COMMIT, &ai->flags); 4909 } 4910 } else if (!strncmp(line, "WEP: ", 5)) { 4911 line += 5; 4912 switch(line[0]) { 4913 case 's': 4914 set_auth_type(ai, AUTH_SHAREDKEY); 4915 break; 4916 case 'e': 4917 set_auth_type(ai, AUTH_ENCRYPT); 4918 break; 4919 default: 4920 set_auth_type(ai, AUTH_OPEN); 4921 break; 4922 } 4923 set_bit (FLAG_COMMIT, &ai->flags); 4924 } else if (!strncmp(line, "LongRetryLimit: ", 16)) { 4925 int v, i = 0; 4926 4927 line += 16; 4928 v = get_dec_u16(line, &i, 3); 4929 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4930 ai->config.longRetryLimit = cpu_to_le16(v); 4931 set_bit (FLAG_COMMIT, &ai->flags); 4932 } else if (!strncmp(line, "ShortRetryLimit: ", 17)) { 4933 int v, i = 0; 4934 4935 line += 17; 4936 v = get_dec_u16(line, &i, 3); 4937 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4938 ai->config.shortRetryLimit = cpu_to_le16(v); 4939 set_bit (FLAG_COMMIT, &ai->flags); 4940 } else if (!strncmp(line, "RTSThreshold: ", 14)) { 4941 int v, i = 0; 4942 4943 line += 14; 4944 v = get_dec_u16(line, &i, 4); 4945 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4946 ai->config.rtsThres = cpu_to_le16(v); 4947 set_bit (FLAG_COMMIT, &ai->flags); 4948 } else if (!strncmp(line, "TXMSDULifetime: ", 16)) { 4949 int v, i = 0; 4950 4951 line += 16; 4952 v = get_dec_u16(line, &i, 5); 4953 v = (v<0) ? 0 : v; 4954 ai->config.txLifetime = cpu_to_le16(v); 4955 set_bit (FLAG_COMMIT, &ai->flags); 4956 } else if (!strncmp(line, "RXMSDULifetime: ", 16)) { 4957 int v, i = 0; 4958 4959 line += 16; 4960 v = get_dec_u16(line, &i, 5); 4961 v = (v<0) ? 0 : v; 4962 ai->config.rxLifetime = cpu_to_le16(v); 4963 set_bit (FLAG_COMMIT, &ai->flags); 4964 } else if (!strncmp(line, "TXDiversity: ", 13)) { 4965 ai->config.txDiversity = 4966 (line[13]=='l') ? 1 : 4967 ((line[13]=='r')? 2: 3); 4968 set_bit (FLAG_COMMIT, &ai->flags); 4969 } else if (!strncmp(line, "RXDiversity: ", 13)) { 4970 ai->config.rxDiversity = 4971 (line[13]=='l') ? 1 : 4972 ((line[13]=='r')? 2: 3); 4973 set_bit (FLAG_COMMIT, &ai->flags); 4974 } else if (!strncmp(line, "FragThreshold: ", 15)) { 4975 int v, i = 0; 4976 4977 line += 15; 4978 v = get_dec_u16(line, &i, 4); 4979 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4980 v = v & 0xfffe; /* Make sure its even */ 4981 ai->config.fragThresh = cpu_to_le16(v); 4982 set_bit (FLAG_COMMIT, &ai->flags); 4983 } else if (!strncmp(line, "Modulation: ", 12)) { 4984 line += 12; 4985 switch(*line) { 4986 case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break; 4987 case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break; 4988 case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break; 4989 default: airo_print_warn(ai->dev->name, "Unknown modulation"); 4990 } 4991 } else if (!strncmp(line, "Preamble: ", 10)) { 4992 line += 10; 4993 switch(*line) { 4994 case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break; 4995 case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break; 4996 case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break; 4997 default: airo_print_warn(ai->dev->name, "Unknown preamble"); 4998 } 4999 } else { 5000 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line); 5001 } 5002 while (line[0] && line[0] != '\n') line++; 5003 if (line[0]) line++; 5004 } 5005 airo_config_commit(dev, NULL, NULL, NULL); 5006 } 5007 5008 static const char *get_rmode(__le16 mode) 5009 { 5010 switch(mode & RXMODE_MASK) { 5011 case RXMODE_RFMON: return "rfmon"; 5012 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon"; 5013 case RXMODE_LANMON: return "lanmon"; 5014 } 5015 return "ESS"; 5016 } 5017 5018 static int proc_config_open(struct inode *inode, struct file *file) 5019 { 5020 struct proc_data *data; 5021 struct net_device *dev = PDE_DATA(inode); 5022 struct airo_info *ai = dev->ml_priv; 5023 int i; 5024 __le16 mode; 5025 5026 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5027 return -ENOMEM; 5028 data = file->private_data; 5029 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 5030 kfree (file->private_data); 5031 return -ENOMEM; 5032 } 5033 if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) { 5034 kfree (data->rbuffer); 5035 kfree (file->private_data); 5036 return -ENOMEM; 5037 } 5038 data->maxwritelen = 2048; 5039 data->on_close = proc_config_on_close; 5040 5041 readConfigRid(ai, 1); 5042 5043 mode = ai->config.opmode & MODE_CFG_MASK; 5044 i = sprintf(data->rbuffer, 5045 "Mode: %s\n" 5046 "Radio: %s\n" 5047 "NodeName: %-16s\n" 5048 "PowerMode: %s\n" 5049 "DataRates: %d %d %d %d %d %d %d %d\n" 5050 "Channel: %d\n" 5051 "XmitPower: %d\n", 5052 mode == MODE_STA_IBSS ? "adhoc" : 5053 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode): 5054 mode == MODE_AP ? "AP" : 5055 mode == MODE_AP_RPTR ? "AP RPTR" : "Error", 5056 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on", 5057 ai->config.nodeName, 5058 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" : 5059 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" : 5060 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" : 5061 "Error", 5062 (int)ai->config.rates[0], 5063 (int)ai->config.rates[1], 5064 (int)ai->config.rates[2], 5065 (int)ai->config.rates[3], 5066 (int)ai->config.rates[4], 5067 (int)ai->config.rates[5], 5068 (int)ai->config.rates[6], 5069 (int)ai->config.rates[7], 5070 le16_to_cpu(ai->config.channelSet), 5071 le16_to_cpu(ai->config.txPower) 5072 ); 5073 sprintf(data->rbuffer + i, 5074 "LongRetryLimit: %d\n" 5075 "ShortRetryLimit: %d\n" 5076 "RTSThreshold: %d\n" 5077 "TXMSDULifetime: %d\n" 5078 "RXMSDULifetime: %d\n" 5079 "TXDiversity: %s\n" 5080 "RXDiversity: %s\n" 5081 "FragThreshold: %d\n" 5082 "WEP: %s\n" 5083 "Modulation: %s\n" 5084 "Preamble: %s\n", 5085 le16_to_cpu(ai->config.longRetryLimit), 5086 le16_to_cpu(ai->config.shortRetryLimit), 5087 le16_to_cpu(ai->config.rtsThres), 5088 le16_to_cpu(ai->config.txLifetime), 5089 le16_to_cpu(ai->config.rxLifetime), 5090 ai->config.txDiversity == 1 ? "left" : 5091 ai->config.txDiversity == 2 ? "right" : "both", 5092 ai->config.rxDiversity == 1 ? "left" : 5093 ai->config.rxDiversity == 2 ? "right" : "both", 5094 le16_to_cpu(ai->config.fragThresh), 5095 ai->config.authType == AUTH_ENCRYPT ? "encrypt" : 5096 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open", 5097 ai->config.modulation == MOD_DEFAULT ? "default" : 5098 ai->config.modulation == MOD_CCK ? "cck" : 5099 ai->config.modulation == MOD_MOK ? "mok" : "error", 5100 ai->config.preamble == PREAMBLE_AUTO ? "auto" : 5101 ai->config.preamble == PREAMBLE_LONG ? "long" : 5102 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error" 5103 ); 5104 data->readlen = strlen(data->rbuffer); 5105 return 0; 5106 } 5107 5108 static void proc_SSID_on_close(struct inode *inode, struct file *file) 5109 { 5110 struct proc_data *data = file->private_data; 5111 struct net_device *dev = PDE_DATA(inode); 5112 struct airo_info *ai = dev->ml_priv; 5113 SsidRid SSID_rid; 5114 int i; 5115 char *p = data->wbuffer; 5116 char *end = p + data->writelen; 5117 5118 if (!data->writelen) 5119 return; 5120 5121 *end = '\n'; /* sentinel; we have space for it */ 5122 5123 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5124 5125 for (i = 0; i < 3 && p < end; i++) { 5126 int j = 0; 5127 /* copy up to 32 characters from this line */ 5128 while (*p != '\n' && j < 32) 5129 SSID_rid.ssids[i].ssid[j++] = *p++; 5130 if (j == 0) 5131 break; 5132 SSID_rid.ssids[i].len = cpu_to_le16(j); 5133 /* skip to the beginning of the next line */ 5134 while (*p++ != '\n') 5135 ; 5136 } 5137 if (i) 5138 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5139 disable_MAC(ai, 1); 5140 writeSsidRid(ai, &SSID_rid, 1); 5141 enable_MAC(ai, 1); 5142 } 5143 5144 static void proc_APList_on_close(struct inode *inode, struct file *file) 5145 { 5146 struct proc_data *data = file->private_data; 5147 struct net_device *dev = PDE_DATA(inode); 5148 struct airo_info *ai = dev->ml_priv; 5149 APListRid *APList_rid = &ai->APList; 5150 int i; 5151 5152 if (!data->writelen) return; 5153 5154 memset(APList_rid, 0, sizeof(*APList_rid)); 5155 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5156 5157 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++) 5158 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]); 5159 5160 disable_MAC(ai, 1); 5161 writeAPListRid(ai, APList_rid, 1); 5162 enable_MAC(ai, 1); 5163 } 5164 5165 /* This function wraps PC4500_writerid with a MAC disable */ 5166 static int do_writerid(struct airo_info *ai, u16 rid, const void *rid_data, 5167 int len, int dummy) 5168 { 5169 int rc; 5170 5171 disable_MAC(ai, 1); 5172 rc = PC4500_writerid(ai, rid, rid_data, len, 1); 5173 enable_MAC(ai, 1); 5174 return rc; 5175 } 5176 5177 /* Returns the WEP key at the specified index, or -1 if that key does 5178 * not exist. The buffer is assumed to be at least 16 bytes in length. 5179 */ 5180 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen) 5181 { 5182 WepKeyRid wkr; 5183 int rc; 5184 __le16 lastindex; 5185 5186 rc = readWepKeyRid(ai, &wkr, 1, 1); 5187 if (rc != SUCCESS) 5188 return -1; 5189 do { 5190 lastindex = wkr.kindex; 5191 if (le16_to_cpu(wkr.kindex) == index) { 5192 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen)); 5193 memcpy(buf, wkr.key, klen); 5194 return klen; 5195 } 5196 rc = readWepKeyRid(ai, &wkr, 0, 1); 5197 if (rc != SUCCESS) 5198 return -1; 5199 } while (lastindex != wkr.kindex); 5200 return -1; 5201 } 5202 5203 static int get_wep_tx_idx(struct airo_info *ai) 5204 { 5205 WepKeyRid wkr; 5206 int rc; 5207 __le16 lastindex; 5208 5209 rc = readWepKeyRid(ai, &wkr, 1, 1); 5210 if (rc != SUCCESS) 5211 return -1; 5212 do { 5213 lastindex = wkr.kindex; 5214 if (wkr.kindex == cpu_to_le16(0xffff)) 5215 return wkr.mac[0]; 5216 rc = readWepKeyRid(ai, &wkr, 0, 1); 5217 if (rc != SUCCESS) 5218 return -1; 5219 } while (lastindex != wkr.kindex); 5220 return -1; 5221 } 5222 5223 static int set_wep_key(struct airo_info *ai, u16 index, const char *key, 5224 u16 keylen, int perm, int lock) 5225 { 5226 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; 5227 WepKeyRid wkr; 5228 int rc; 5229 5230 if (WARN_ON(keylen == 0)) 5231 return -1; 5232 5233 memset(&wkr, 0, sizeof(wkr)); 5234 wkr.len = cpu_to_le16(sizeof(wkr)); 5235 wkr.kindex = cpu_to_le16(index); 5236 wkr.klen = cpu_to_le16(keylen); 5237 memcpy(wkr.key, key, keylen); 5238 memcpy(wkr.mac, macaddr, ETH_ALEN); 5239 5240 if (perm) disable_MAC(ai, lock); 5241 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5242 if (perm) enable_MAC(ai, lock); 5243 return rc; 5244 } 5245 5246 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock) 5247 { 5248 WepKeyRid wkr; 5249 int rc; 5250 5251 memset(&wkr, 0, sizeof(wkr)); 5252 wkr.len = cpu_to_le16(sizeof(wkr)); 5253 wkr.kindex = cpu_to_le16(0xffff); 5254 wkr.mac[0] = (char)index; 5255 5256 if (perm) { 5257 ai->defindex = (char)index; 5258 disable_MAC(ai, lock); 5259 } 5260 5261 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5262 5263 if (perm) 5264 enable_MAC(ai, lock); 5265 return rc; 5266 } 5267 5268 static void proc_wepkey_on_close(struct inode *inode, struct file *file) 5269 { 5270 struct proc_data *data; 5271 struct net_device *dev = PDE_DATA(inode); 5272 struct airo_info *ai = dev->ml_priv; 5273 int i, rc; 5274 char key[16]; 5275 u16 index = 0; 5276 int j = 0; 5277 5278 memset(key, 0, sizeof(key)); 5279 5280 data = file->private_data; 5281 if (!data->writelen) return; 5282 5283 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' && 5284 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) { 5285 index = data->wbuffer[0] - '0'; 5286 if (data->wbuffer[1] == '\n') { 5287 rc = set_wep_tx_idx(ai, index, 1, 1); 5288 if (rc < 0) { 5289 airo_print_err(ai->dev->name, "failed to set " 5290 "WEP transmit index to %d: %d.", 5291 index, rc); 5292 } 5293 return; 5294 } 5295 j = 2; 5296 } else { 5297 airo_print_err(ai->dev->name, "WepKey passed invalid key index"); 5298 return; 5299 } 5300 5301 for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) { 5302 switch(i%3) { 5303 case 0: 5304 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4; 5305 break; 5306 case 1: 5307 key[i/3] |= hex_to_bin(data->wbuffer[i+j]); 5308 break; 5309 } 5310 } 5311 5312 rc = set_wep_key(ai, index, key, i/3, 1, 1); 5313 if (rc < 0) { 5314 airo_print_err(ai->dev->name, "failed to set WEP key at index " 5315 "%d: %d.", index, rc); 5316 } 5317 } 5318 5319 static int proc_wepkey_open(struct inode *inode, struct file *file) 5320 { 5321 struct proc_data *data; 5322 struct net_device *dev = PDE_DATA(inode); 5323 struct airo_info *ai = dev->ml_priv; 5324 char *ptr; 5325 WepKeyRid wkr; 5326 __le16 lastindex; 5327 int j = 0; 5328 int rc; 5329 5330 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5331 return -ENOMEM; 5332 memset(&wkr, 0, sizeof(wkr)); 5333 data = file->private_data; 5334 if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) { 5335 kfree (file->private_data); 5336 return -ENOMEM; 5337 } 5338 data->writelen = 0; 5339 data->maxwritelen = 80; 5340 if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) { 5341 kfree (data->rbuffer); 5342 kfree (file->private_data); 5343 return -ENOMEM; 5344 } 5345 data->on_close = proc_wepkey_on_close; 5346 5347 ptr = data->rbuffer; 5348 strcpy(ptr, "No wep keys\n"); 5349 rc = readWepKeyRid(ai, &wkr, 1, 1); 5350 if (rc == SUCCESS) do { 5351 lastindex = wkr.kindex; 5352 if (wkr.kindex == cpu_to_le16(0xffff)) { 5353 j += sprintf(ptr+j, "Tx key = %d\n", 5354 (int)wkr.mac[0]); 5355 } else { 5356 j += sprintf(ptr+j, "Key %d set with length = %d\n", 5357 le16_to_cpu(wkr.kindex), 5358 le16_to_cpu(wkr.klen)); 5359 } 5360 readWepKeyRid(ai, &wkr, 0, 1); 5361 } while ((lastindex != wkr.kindex) && (j < 180-30)); 5362 5363 data->readlen = strlen(data->rbuffer); 5364 return 0; 5365 } 5366 5367 static int proc_SSID_open(struct inode *inode, struct file *file) 5368 { 5369 struct proc_data *data; 5370 struct net_device *dev = PDE_DATA(inode); 5371 struct airo_info *ai = dev->ml_priv; 5372 int i; 5373 char *ptr; 5374 SsidRid SSID_rid; 5375 5376 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5377 return -ENOMEM; 5378 data = file->private_data; 5379 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5380 kfree (file->private_data); 5381 return -ENOMEM; 5382 } 5383 data->writelen = 0; 5384 data->maxwritelen = 33*3; 5385 /* allocate maxwritelen + 1; we'll want a sentinel */ 5386 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) { 5387 kfree (data->rbuffer); 5388 kfree (file->private_data); 5389 return -ENOMEM; 5390 } 5391 data->on_close = proc_SSID_on_close; 5392 5393 readSsidRid(ai, &SSID_rid); 5394 ptr = data->rbuffer; 5395 for (i = 0; i < 3; i++) { 5396 int j; 5397 size_t len = le16_to_cpu(SSID_rid.ssids[i].len); 5398 if (!len) 5399 break; 5400 if (len > 32) 5401 len = 32; 5402 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++) 5403 *ptr++ = SSID_rid.ssids[i].ssid[j]; 5404 *ptr++ = '\n'; 5405 } 5406 *ptr = '\0'; 5407 data->readlen = strlen(data->rbuffer); 5408 return 0; 5409 } 5410 5411 static int proc_APList_open(struct inode *inode, struct file *file) 5412 { 5413 struct proc_data *data; 5414 struct net_device *dev = PDE_DATA(inode); 5415 struct airo_info *ai = dev->ml_priv; 5416 int i; 5417 char *ptr; 5418 APListRid *APList_rid = &ai->APList; 5419 5420 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5421 return -ENOMEM; 5422 data = file->private_data; 5423 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5424 kfree (file->private_data); 5425 return -ENOMEM; 5426 } 5427 data->writelen = 0; 5428 data->maxwritelen = 4*6*3; 5429 if ((data->wbuffer = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) { 5430 kfree (data->rbuffer); 5431 kfree (file->private_data); 5432 return -ENOMEM; 5433 } 5434 data->on_close = proc_APList_on_close; 5435 5436 ptr = data->rbuffer; 5437 for (i = 0; i < 4; i++) { 5438 // We end when we find a zero MAC 5439 if (!*(int*)APList_rid->ap[i] && 5440 !*(int*)&APList_rid->ap[i][2]) break; 5441 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]); 5442 } 5443 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n"); 5444 5445 *ptr = '\0'; 5446 data->readlen = strlen(data->rbuffer); 5447 return 0; 5448 } 5449 5450 static int proc_BSSList_open(struct inode *inode, struct file *file) 5451 { 5452 struct proc_data *data; 5453 struct net_device *dev = PDE_DATA(inode); 5454 struct airo_info *ai = dev->ml_priv; 5455 char *ptr; 5456 BSSListRid BSSList_rid; 5457 int rc; 5458 /* If doLoseSync is not 1, we won't do a Lose Sync */ 5459 int doLoseSync = -1; 5460 5461 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5462 return -ENOMEM; 5463 data = file->private_data; 5464 if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) { 5465 kfree (file->private_data); 5466 return -ENOMEM; 5467 } 5468 data->writelen = 0; 5469 data->maxwritelen = 0; 5470 data->wbuffer = NULL; 5471 data->on_close = NULL; 5472 5473 if (file->f_mode & FMODE_WRITE) { 5474 if (!(file->f_mode & FMODE_READ)) { 5475 Cmd cmd; 5476 Resp rsp; 5477 5478 if (ai->flags & FLAG_RADIO_MASK) { 5479 kfree(data->rbuffer); 5480 kfree(file->private_data); 5481 return -ENETDOWN; 5482 } 5483 memset(&cmd, 0, sizeof(cmd)); 5484 cmd.cmd = CMD_LISTBSS; 5485 if (down_interruptible(&ai->sem)) { 5486 kfree(data->rbuffer); 5487 kfree(file->private_data); 5488 return -ERESTARTSYS; 5489 } 5490 issuecommand(ai, &cmd, &rsp, true); 5491 up(&ai->sem); 5492 data->readlen = 0; 5493 return 0; 5494 } 5495 doLoseSync = 1; 5496 } 5497 ptr = data->rbuffer; 5498 /* There is a race condition here if there are concurrent opens. 5499 Since it is a rare condition, we'll just live with it, otherwise 5500 we have to add a spin lock... */ 5501 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid); 5502 while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) { 5503 ptr += sprintf(ptr, "%pM %.*s rssi = %d", 5504 BSSList_rid.bssid, 5505 (int)BSSList_rid.ssidLen, 5506 BSSList_rid.ssid, 5507 le16_to_cpu(BSSList_rid.dBm)); 5508 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n", 5509 le16_to_cpu(BSSList_rid.dsChannel), 5510 BSSList_rid.cap & CAP_ESS ? "ESS" : "", 5511 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "", 5512 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "", 5513 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : ""); 5514 rc = readBSSListRid(ai, 0, &BSSList_rid); 5515 } 5516 *ptr = '\0'; 5517 data->readlen = strlen(data->rbuffer); 5518 return 0; 5519 } 5520 5521 static int proc_close(struct inode *inode, struct file *file) 5522 { 5523 struct proc_data *data = file->private_data; 5524 5525 if (data->on_close != NULL) 5526 data->on_close(inode, file); 5527 kfree(data->rbuffer); 5528 kfree(data->wbuffer); 5529 kfree(data); 5530 return 0; 5531 } 5532 5533 /* Since the card doesn't automatically switch to the right WEP mode, 5534 we will make it do it. If the card isn't associated, every secs we 5535 will switch WEP modes to see if that will help. If the card is 5536 associated we will check every minute to see if anything has 5537 changed. */ 5538 static void timer_func(struct net_device *dev) 5539 { 5540 struct airo_info *apriv = dev->ml_priv; 5541 5542 /* We don't have a link so try changing the authtype */ 5543 readConfigRid(apriv, 0); 5544 disable_MAC(apriv, 0); 5545 switch(apriv->config.authType) { 5546 case AUTH_ENCRYPT: 5547 /* So drop to OPEN */ 5548 apriv->config.authType = AUTH_OPEN; 5549 break; 5550 case AUTH_SHAREDKEY: 5551 if (apriv->keyindex < auto_wep) { 5552 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0); 5553 apriv->config.authType = AUTH_SHAREDKEY; 5554 apriv->keyindex++; 5555 } else { 5556 /* Drop to ENCRYPT */ 5557 apriv->keyindex = 0; 5558 set_wep_tx_idx(apriv, apriv->defindex, 0, 0); 5559 apriv->config.authType = AUTH_ENCRYPT; 5560 } 5561 break; 5562 default: /* We'll escalate to SHAREDKEY */ 5563 apriv->config.authType = AUTH_SHAREDKEY; 5564 } 5565 set_bit (FLAG_COMMIT, &apriv->flags); 5566 writeConfigRid(apriv, 0); 5567 enable_MAC(apriv, 0); 5568 up(&apriv->sem); 5569 5570 /* Schedule check to see if the change worked */ 5571 clear_bit(JOB_AUTOWEP, &apriv->jobs); 5572 apriv->expires = RUN_AT(HZ*3); 5573 } 5574 5575 #ifdef CONFIG_PCI 5576 static int airo_pci_probe(struct pci_dev *pdev, 5577 const struct pci_device_id *pent) 5578 { 5579 struct net_device *dev; 5580 5581 if (pci_enable_device(pdev)) 5582 return -ENODEV; 5583 pci_set_master(pdev); 5584 5585 if (pdev->device == 0x5000 || pdev->device == 0xa504) 5586 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); 5587 else 5588 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); 5589 if (!dev) { 5590 pci_disable_device(pdev); 5591 return -ENODEV; 5592 } 5593 5594 pci_set_drvdata(pdev, dev); 5595 return 0; 5596 } 5597 5598 static void airo_pci_remove(struct pci_dev *pdev) 5599 { 5600 struct net_device *dev = pci_get_drvdata(pdev); 5601 5602 airo_print_info(dev->name, "Unregistering..."); 5603 stop_airo_card(dev, 1); 5604 pci_disable_device(pdev); 5605 } 5606 5607 static int __maybe_unused airo_pci_suspend(struct device *dev_d) 5608 { 5609 struct net_device *dev = dev_get_drvdata(dev_d); 5610 struct airo_info *ai = dev->ml_priv; 5611 Cmd cmd; 5612 Resp rsp; 5613 5614 if (!ai->SSID) 5615 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL); 5616 if (!ai->SSID) 5617 return -ENOMEM; 5618 readSsidRid(ai, ai->SSID); 5619 memset(&cmd, 0, sizeof(cmd)); 5620 /* the lock will be released at the end of the resume callback */ 5621 if (down_interruptible(&ai->sem)) 5622 return -EAGAIN; 5623 disable_MAC(ai, 0); 5624 netif_device_detach(dev); 5625 ai->power = PMSG_SUSPEND; 5626 cmd.cmd = HOSTSLEEP; 5627 issuecommand(ai, &cmd, &rsp, true); 5628 5629 device_wakeup_enable(dev_d); 5630 return 0; 5631 } 5632 5633 static int __maybe_unused airo_pci_resume(struct device *dev_d) 5634 { 5635 struct net_device *dev = dev_get_drvdata(dev_d); 5636 struct airo_info *ai = dev->ml_priv; 5637 pci_power_t prev_state = to_pci_dev(dev_d)->current_state; 5638 5639 device_wakeup_disable(dev_d); 5640 5641 if (prev_state != PCI_D1) { 5642 reset_card(dev, 0); 5643 mpi_init_descriptors(ai); 5644 setup_card(ai, dev->dev_addr, 0); 5645 clear_bit(FLAG_RADIO_OFF, &ai->flags); 5646 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 5647 } else { 5648 OUT4500(ai, EVACK, EV_AWAKEN); 5649 OUT4500(ai, EVACK, EV_AWAKEN); 5650 msleep(100); 5651 } 5652 5653 set_bit(FLAG_COMMIT, &ai->flags); 5654 disable_MAC(ai, 0); 5655 msleep(200); 5656 if (ai->SSID) { 5657 writeSsidRid(ai, ai->SSID, 0); 5658 kfree(ai->SSID); 5659 ai->SSID = NULL; 5660 } 5661 writeAPListRid(ai, &ai->APList, 0); 5662 writeConfigRid(ai, 0); 5663 enable_MAC(ai, 0); 5664 ai->power = PMSG_ON; 5665 netif_device_attach(dev); 5666 netif_wake_queue(dev); 5667 enable_interrupts(ai); 5668 up(&ai->sem); 5669 return 0; 5670 } 5671 #endif 5672 5673 static int __init airo_init_module(void) 5674 { 5675 int i; 5676 5677 proc_kuid = make_kuid(&init_user_ns, proc_uid); 5678 proc_kgid = make_kgid(&init_user_ns, proc_gid); 5679 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid)) 5680 return -EINVAL; 5681 5682 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL); 5683 5684 if (airo_entry) 5685 proc_set_user(airo_entry, proc_kuid, proc_kgid); 5686 5687 for (i = 0; i < 4 && io[i] && irq[i]; i++) { 5688 airo_print_info("", "Trying to configure ISA adapter at irq=%d " 5689 "io = 0x%x", irq[i], io[i]); 5690 if (init_airo_card(irq[i], io[i], 0, NULL)) { 5691 /* do nothing */ ; 5692 } 5693 } 5694 5695 #ifdef CONFIG_PCI 5696 airo_print_info("", "Probing for PCI adapters"); 5697 i = pci_register_driver(&airo_driver); 5698 airo_print_info("", "Finished probing for PCI adapters"); 5699 5700 if (i) { 5701 remove_proc_entry("driver/aironet", NULL); 5702 return i; 5703 } 5704 #endif 5705 5706 /* Always exit with success, as we are a library module 5707 * as well as a driver module 5708 */ 5709 return 0; 5710 } 5711 5712 static void __exit airo_cleanup_module(void) 5713 { 5714 struct airo_info *ai; 5715 while (!list_empty(&airo_devices)) { 5716 ai = list_entry(airo_devices.next, struct airo_info, dev_list); 5717 airo_print_info(ai->dev->name, "Unregistering..."); 5718 stop_airo_card(ai->dev, 1); 5719 } 5720 #ifdef CONFIG_PCI 5721 pci_unregister_driver(&airo_driver); 5722 #endif 5723 remove_proc_entry("driver/aironet", NULL); 5724 } 5725 5726 /* 5727 * Initial Wireless Extension code for Aironet driver by : 5728 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00 5729 * Conversion to new driver API by : 5730 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02 5731 * Javier also did a good amount of work here, adding some new extensions 5732 * and fixing my code. Let's just say that without him this code just 5733 * would not work at all... - Jean II 5734 */ 5735 5736 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi) 5737 { 5738 if (!rssi_rid) 5739 return 0; 5740 5741 return (0x100 - rssi_rid[rssi].rssidBm); 5742 } 5743 5744 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm) 5745 { 5746 int i; 5747 5748 if (!rssi_rid) 5749 return 0; 5750 5751 for (i = 0; i < 256; i++) 5752 if (rssi_rid[i].rssidBm == dbm) 5753 return rssi_rid[i].rssipct; 5754 5755 return 0; 5756 } 5757 5758 5759 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid) 5760 { 5761 int quality = 0; 5762 u16 sq; 5763 5764 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f)) 5765 return 0; 5766 5767 if (!(cap_rid->hardCap & cpu_to_le16(8))) 5768 return 0; 5769 5770 sq = le16_to_cpu(status_rid->signalQuality); 5771 if (memcmp(cap_rid->prodName, "350", 3)) 5772 if (sq > 0x20) 5773 quality = 0; 5774 else 5775 quality = 0x20 - sq; 5776 else 5777 if (sq > 0xb0) 5778 quality = 0; 5779 else if (sq < 0x10) 5780 quality = 0xa0; 5781 else 5782 quality = 0xb0 - sq; 5783 return quality; 5784 } 5785 5786 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0) 5787 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50) 5788 5789 /*------------------------------------------------------------------*/ 5790 /* 5791 * Wireless Handler : get protocol name 5792 */ 5793 static int airo_get_name(struct net_device *dev, 5794 struct iw_request_info *info, 5795 char *cwrq, 5796 char *extra) 5797 { 5798 strcpy(cwrq, "IEEE 802.11-DS"); 5799 return 0; 5800 } 5801 5802 /*------------------------------------------------------------------*/ 5803 /* 5804 * Wireless Handler : set frequency 5805 */ 5806 static int airo_set_freq(struct net_device *dev, 5807 struct iw_request_info *info, 5808 struct iw_freq *fwrq, 5809 char *extra) 5810 { 5811 struct airo_info *local = dev->ml_priv; 5812 int rc = -EINPROGRESS; /* Call commit handler */ 5813 5814 /* If setting by frequency, convert to a channel */ 5815 if (fwrq->e == 1) { 5816 int f = fwrq->m / 100000; 5817 5818 /* Hack to fall through... */ 5819 fwrq->e = 0; 5820 fwrq->m = ieee80211_frequency_to_channel(f); 5821 } 5822 /* Setting by channel number */ 5823 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0) 5824 rc = -EOPNOTSUPP; 5825 else { 5826 int channel = fwrq->m; 5827 /* We should do a better check than that, 5828 * based on the card capability !!! */ 5829 if ((channel < 1) || (channel > 14)) { 5830 airo_print_dbg(dev->name, "New channel value of %d is invalid!", 5831 fwrq->m); 5832 rc = -EINVAL; 5833 } else { 5834 readConfigRid(local, 1); 5835 /* Yes ! We can set it !!! */ 5836 local->config.channelSet = cpu_to_le16(channel); 5837 set_bit (FLAG_COMMIT, &local->flags); 5838 } 5839 } 5840 return rc; 5841 } 5842 5843 /*------------------------------------------------------------------*/ 5844 /* 5845 * Wireless Handler : get frequency 5846 */ 5847 static int airo_get_freq(struct net_device *dev, 5848 struct iw_request_info *info, 5849 struct iw_freq *fwrq, 5850 char *extra) 5851 { 5852 struct airo_info *local = dev->ml_priv; 5853 StatusRid status_rid; /* Card status info */ 5854 int ch; 5855 5856 readConfigRid(local, 1); 5857 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS) 5858 status_rid.channel = local->config.channelSet; 5859 else 5860 readStatusRid(local, &status_rid, 1); 5861 5862 ch = le16_to_cpu(status_rid.channel); 5863 if ((ch > 0) && (ch < 15)) { 5864 fwrq->m = 100000 * 5865 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ); 5866 fwrq->e = 1; 5867 } else { 5868 fwrq->m = ch; 5869 fwrq->e = 0; 5870 } 5871 5872 return 0; 5873 } 5874 5875 /*------------------------------------------------------------------*/ 5876 /* 5877 * Wireless Handler : set ESSID 5878 */ 5879 static int airo_set_essid(struct net_device *dev, 5880 struct iw_request_info *info, 5881 struct iw_point *dwrq, 5882 char *extra) 5883 { 5884 struct airo_info *local = dev->ml_priv; 5885 SsidRid SSID_rid; /* SSIDs */ 5886 5887 /* Reload the list of current SSID */ 5888 readSsidRid(local, &SSID_rid); 5889 5890 /* Check if we asked for `any' */ 5891 if (dwrq->flags == 0) { 5892 /* Just send an empty SSID list */ 5893 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5894 } else { 5895 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 5896 5897 /* Check the size of the string */ 5898 if (dwrq->length > IW_ESSID_MAX_SIZE) 5899 return -E2BIG ; 5900 5901 /* Check if index is valid */ 5902 if (index >= ARRAY_SIZE(SSID_rid.ssids)) 5903 return -EINVAL; 5904 5905 /* Set the SSID */ 5906 memset(SSID_rid.ssids[index].ssid, 0, 5907 sizeof(SSID_rid.ssids[index].ssid)); 5908 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length); 5909 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length); 5910 } 5911 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5912 /* Write it to the card */ 5913 disable_MAC(local, 1); 5914 writeSsidRid(local, &SSID_rid, 1); 5915 enable_MAC(local, 1); 5916 5917 return 0; 5918 } 5919 5920 /*------------------------------------------------------------------*/ 5921 /* 5922 * Wireless Handler : get ESSID 5923 */ 5924 static int airo_get_essid(struct net_device *dev, 5925 struct iw_request_info *info, 5926 struct iw_point *dwrq, 5927 char *extra) 5928 { 5929 struct airo_info *local = dev->ml_priv; 5930 StatusRid status_rid; /* Card status info */ 5931 5932 readStatusRid(local, &status_rid, 1); 5933 5934 /* Note : if dwrq->flags != 0, we should 5935 * get the relevant SSID from the SSID list... */ 5936 5937 /* Get the current SSID */ 5938 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen)); 5939 /* If none, we may want to get the one that was set */ 5940 5941 /* Push it out ! */ 5942 dwrq->length = le16_to_cpu(status_rid.SSIDlen); 5943 dwrq->flags = 1; /* active */ 5944 5945 return 0; 5946 } 5947 5948 /*------------------------------------------------------------------*/ 5949 /* 5950 * Wireless Handler : set AP address 5951 */ 5952 static int airo_set_wap(struct net_device *dev, 5953 struct iw_request_info *info, 5954 struct sockaddr *awrq, 5955 char *extra) 5956 { 5957 struct airo_info *local = dev->ml_priv; 5958 Cmd cmd; 5959 Resp rsp; 5960 APListRid *APList_rid = &local->APList; 5961 5962 if (awrq->sa_family != ARPHRD_ETHER) 5963 return -EINVAL; 5964 else if (is_broadcast_ether_addr(awrq->sa_data) || 5965 is_zero_ether_addr(awrq->sa_data)) { 5966 memset(&cmd, 0, sizeof(cmd)); 5967 cmd.cmd = CMD_LOSE_SYNC; 5968 if (down_interruptible(&local->sem)) 5969 return -ERESTARTSYS; 5970 issuecommand(local, &cmd, &rsp, true); 5971 up(&local->sem); 5972 } else { 5973 memset(APList_rid, 0, sizeof(*APList_rid)); 5974 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5975 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN); 5976 disable_MAC(local, 1); 5977 writeAPListRid(local, APList_rid, 1); 5978 enable_MAC(local, 1); 5979 } 5980 return 0; 5981 } 5982 5983 /*------------------------------------------------------------------*/ 5984 /* 5985 * Wireless Handler : get AP address 5986 */ 5987 static int airo_get_wap(struct net_device *dev, 5988 struct iw_request_info *info, 5989 struct sockaddr *awrq, 5990 char *extra) 5991 { 5992 struct airo_info *local = dev->ml_priv; 5993 StatusRid status_rid; /* Card status info */ 5994 5995 readStatusRid(local, &status_rid, 1); 5996 5997 /* Tentative. This seems to work, wow, I'm lucky !!! */ 5998 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN); 5999 awrq->sa_family = ARPHRD_ETHER; 6000 6001 return 0; 6002 } 6003 6004 /*------------------------------------------------------------------*/ 6005 /* 6006 * Wireless Handler : set Nickname 6007 */ 6008 static int airo_set_nick(struct net_device *dev, 6009 struct iw_request_info *info, 6010 struct iw_point *dwrq, 6011 char *extra) 6012 { 6013 struct airo_info *local = dev->ml_priv; 6014 6015 /* Check the size of the string */ 6016 if (dwrq->length > 16) { 6017 return -E2BIG; 6018 } 6019 readConfigRid(local, 1); 6020 memset(local->config.nodeName, 0, sizeof(local->config.nodeName)); 6021 memcpy(local->config.nodeName, extra, dwrq->length); 6022 set_bit (FLAG_COMMIT, &local->flags); 6023 6024 return -EINPROGRESS; /* Call commit handler */ 6025 } 6026 6027 /*------------------------------------------------------------------*/ 6028 /* 6029 * Wireless Handler : get Nickname 6030 */ 6031 static int airo_get_nick(struct net_device *dev, 6032 struct iw_request_info *info, 6033 struct iw_point *dwrq, 6034 char *extra) 6035 { 6036 struct airo_info *local = dev->ml_priv; 6037 6038 readConfigRid(local, 1); 6039 strncpy(extra, local->config.nodeName, 16); 6040 extra[16] = '\0'; 6041 dwrq->length = strlen(extra); 6042 6043 return 0; 6044 } 6045 6046 /*------------------------------------------------------------------*/ 6047 /* 6048 * Wireless Handler : set Bit-Rate 6049 */ 6050 static int airo_set_rate(struct net_device *dev, 6051 struct iw_request_info *info, 6052 struct iw_param *vwrq, 6053 char *extra) 6054 { 6055 struct airo_info *local = dev->ml_priv; 6056 CapabilityRid cap_rid; /* Card capability info */ 6057 u8 brate = 0; 6058 int i; 6059 6060 /* First : get a valid bit rate value */ 6061 readCapabilityRid(local, &cap_rid, 1); 6062 6063 /* Which type of value ? */ 6064 if ((vwrq->value < 8) && (vwrq->value >= 0)) { 6065 /* Setting by rate index */ 6066 /* Find value in the magic rate table */ 6067 brate = cap_rid.supportedRates[vwrq->value]; 6068 } else { 6069 /* Setting by frequency value */ 6070 u8 normvalue = (u8) (vwrq->value/500000); 6071 6072 /* Check if rate is valid */ 6073 for (i = 0 ; i < 8 ; i++) { 6074 if (normvalue == cap_rid.supportedRates[i]) { 6075 brate = normvalue; 6076 break; 6077 } 6078 } 6079 } 6080 /* -1 designed the max rate (mostly auto mode) */ 6081 if (vwrq->value == -1) { 6082 /* Get the highest available rate */ 6083 for (i = 0 ; i < 8 ; i++) { 6084 if (cap_rid.supportedRates[i] == 0) 6085 break; 6086 } 6087 if (i != 0) 6088 brate = cap_rid.supportedRates[i - 1]; 6089 } 6090 /* Check that it is valid */ 6091 if (brate == 0) { 6092 return -EINVAL; 6093 } 6094 6095 readConfigRid(local, 1); 6096 /* Now, check if we want a fixed or auto value */ 6097 if (vwrq->fixed == 0) { 6098 /* Fill all the rates up to this max rate */ 6099 memset(local->config.rates, 0, 8); 6100 for (i = 0 ; i < 8 ; i++) { 6101 local->config.rates[i] = cap_rid.supportedRates[i]; 6102 if (local->config.rates[i] == brate) 6103 break; 6104 } 6105 } else { 6106 /* Fixed mode */ 6107 /* One rate, fixed */ 6108 memset(local->config.rates, 0, 8); 6109 local->config.rates[0] = brate; 6110 } 6111 set_bit (FLAG_COMMIT, &local->flags); 6112 6113 return -EINPROGRESS; /* Call commit handler */ 6114 } 6115 6116 /*------------------------------------------------------------------*/ 6117 /* 6118 * Wireless Handler : get Bit-Rate 6119 */ 6120 static int airo_get_rate(struct net_device *dev, 6121 struct iw_request_info *info, 6122 struct iw_param *vwrq, 6123 char *extra) 6124 { 6125 struct airo_info *local = dev->ml_priv; 6126 StatusRid status_rid; /* Card status info */ 6127 6128 readStatusRid(local, &status_rid, 1); 6129 6130 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; 6131 /* If more than one rate, set auto */ 6132 readConfigRid(local, 1); 6133 vwrq->fixed = (local->config.rates[1] == 0); 6134 6135 return 0; 6136 } 6137 6138 /*------------------------------------------------------------------*/ 6139 /* 6140 * Wireless Handler : set RTS threshold 6141 */ 6142 static int airo_set_rts(struct net_device *dev, 6143 struct iw_request_info *info, 6144 struct iw_param *vwrq, 6145 char *extra) 6146 { 6147 struct airo_info *local = dev->ml_priv; 6148 int rthr = vwrq->value; 6149 6150 if (vwrq->disabled) 6151 rthr = AIRO_DEF_MTU; 6152 if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) { 6153 return -EINVAL; 6154 } 6155 readConfigRid(local, 1); 6156 local->config.rtsThres = cpu_to_le16(rthr); 6157 set_bit (FLAG_COMMIT, &local->flags); 6158 6159 return -EINPROGRESS; /* Call commit handler */ 6160 } 6161 6162 /*------------------------------------------------------------------*/ 6163 /* 6164 * Wireless Handler : get RTS threshold 6165 */ 6166 static int airo_get_rts(struct net_device *dev, 6167 struct iw_request_info *info, 6168 struct iw_param *vwrq, 6169 char *extra) 6170 { 6171 struct airo_info *local = dev->ml_priv; 6172 6173 readConfigRid(local, 1); 6174 vwrq->value = le16_to_cpu(local->config.rtsThres); 6175 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6176 vwrq->fixed = 1; 6177 6178 return 0; 6179 } 6180 6181 /*------------------------------------------------------------------*/ 6182 /* 6183 * Wireless Handler : set Fragmentation threshold 6184 */ 6185 static int airo_set_frag(struct net_device *dev, 6186 struct iw_request_info *info, 6187 struct iw_param *vwrq, 6188 char *extra) 6189 { 6190 struct airo_info *local = dev->ml_priv; 6191 int fthr = vwrq->value; 6192 6193 if (vwrq->disabled) 6194 fthr = AIRO_DEF_MTU; 6195 if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) { 6196 return -EINVAL; 6197 } 6198 fthr &= ~0x1; /* Get an even value - is it really needed ??? */ 6199 readConfigRid(local, 1); 6200 local->config.fragThresh = cpu_to_le16(fthr); 6201 set_bit (FLAG_COMMIT, &local->flags); 6202 6203 return -EINPROGRESS; /* Call commit handler */ 6204 } 6205 6206 /*------------------------------------------------------------------*/ 6207 /* 6208 * Wireless Handler : get Fragmentation threshold 6209 */ 6210 static int airo_get_frag(struct net_device *dev, 6211 struct iw_request_info *info, 6212 struct iw_param *vwrq, 6213 char *extra) 6214 { 6215 struct airo_info *local = dev->ml_priv; 6216 6217 readConfigRid(local, 1); 6218 vwrq->value = le16_to_cpu(local->config.fragThresh); 6219 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6220 vwrq->fixed = 1; 6221 6222 return 0; 6223 } 6224 6225 /*------------------------------------------------------------------*/ 6226 /* 6227 * Wireless Handler : set Mode of Operation 6228 */ 6229 static int airo_set_mode(struct net_device *dev, 6230 struct iw_request_info *info, 6231 __u32 *uwrq, 6232 char *extra) 6233 { 6234 struct airo_info *local = dev->ml_priv; 6235 int reset = 0; 6236 6237 readConfigRid(local, 1); 6238 if (sniffing_mode(local)) 6239 reset = 1; 6240 6241 switch(*uwrq) { 6242 case IW_MODE_ADHOC: 6243 local->config.opmode &= ~MODE_CFG_MASK; 6244 local->config.opmode |= MODE_STA_IBSS; 6245 local->config.rmode &= ~RXMODE_FULL_MASK; 6246 local->config.scanMode = SCANMODE_ACTIVE; 6247 clear_bit (FLAG_802_11, &local->flags); 6248 break; 6249 case IW_MODE_INFRA: 6250 local->config.opmode &= ~MODE_CFG_MASK; 6251 local->config.opmode |= MODE_STA_ESS; 6252 local->config.rmode &= ~RXMODE_FULL_MASK; 6253 local->config.scanMode = SCANMODE_ACTIVE; 6254 clear_bit (FLAG_802_11, &local->flags); 6255 break; 6256 case IW_MODE_MASTER: 6257 local->config.opmode &= ~MODE_CFG_MASK; 6258 local->config.opmode |= MODE_AP; 6259 local->config.rmode &= ~RXMODE_FULL_MASK; 6260 local->config.scanMode = SCANMODE_ACTIVE; 6261 clear_bit (FLAG_802_11, &local->flags); 6262 break; 6263 case IW_MODE_REPEAT: 6264 local->config.opmode &= ~MODE_CFG_MASK; 6265 local->config.opmode |= MODE_AP_RPTR; 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_MONITOR: 6271 local->config.opmode &= ~MODE_CFG_MASK; 6272 local->config.opmode |= MODE_STA_ESS; 6273 local->config.rmode &= ~RXMODE_FULL_MASK; 6274 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 6275 local->config.scanMode = SCANMODE_PASSIVE; 6276 set_bit (FLAG_802_11, &local->flags); 6277 break; 6278 default: 6279 return -EINVAL; 6280 } 6281 if (reset) 6282 set_bit (FLAG_RESET, &local->flags); 6283 set_bit (FLAG_COMMIT, &local->flags); 6284 6285 return -EINPROGRESS; /* Call commit handler */ 6286 } 6287 6288 /*------------------------------------------------------------------*/ 6289 /* 6290 * Wireless Handler : get Mode of Operation 6291 */ 6292 static int airo_get_mode(struct net_device *dev, 6293 struct iw_request_info *info, 6294 __u32 *uwrq, 6295 char *extra) 6296 { 6297 struct airo_info *local = dev->ml_priv; 6298 6299 readConfigRid(local, 1); 6300 /* If not managed, assume it's ad-hoc */ 6301 switch (local->config.opmode & MODE_CFG_MASK) { 6302 case MODE_STA_ESS: 6303 *uwrq = IW_MODE_INFRA; 6304 break; 6305 case MODE_AP: 6306 *uwrq = IW_MODE_MASTER; 6307 break; 6308 case MODE_AP_RPTR: 6309 *uwrq = IW_MODE_REPEAT; 6310 break; 6311 default: 6312 *uwrq = IW_MODE_ADHOC; 6313 } 6314 6315 return 0; 6316 } 6317 6318 static inline int valid_index(struct airo_info *ai, int index) 6319 { 6320 return (index >= 0) && (index <= ai->max_wep_idx); 6321 } 6322 6323 /*------------------------------------------------------------------*/ 6324 /* 6325 * Wireless Handler : set Encryption Key 6326 */ 6327 static int airo_set_encode(struct net_device *dev, 6328 struct iw_request_info *info, 6329 struct iw_point *dwrq, 6330 char *extra) 6331 { 6332 struct airo_info *local = dev->ml_priv; 6333 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); 6334 __le16 currentAuthType = local->config.authType; 6335 int rc = 0; 6336 6337 if (!local->wep_capable) 6338 return -EOPNOTSUPP; 6339 6340 readConfigRid(local, 1); 6341 6342 /* Basic checking: do we have a key to set ? 6343 * Note : with the new API, it's impossible to get a NULL pointer. 6344 * Therefore, we need to check a key size == 0 instead. 6345 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag 6346 * when no key is present (only change flags), but older versions 6347 * don't do it. - Jean II */ 6348 if (dwrq->length > 0) { 6349 wep_key_t key; 6350 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6351 int current_index; 6352 6353 /* Check the size of the key */ 6354 if (dwrq->length > MAX_KEY_SIZE) { 6355 return -EINVAL; 6356 } 6357 6358 current_index = get_wep_tx_idx(local); 6359 if (current_index < 0) 6360 current_index = 0; 6361 6362 /* Check the index (none -> use current) */ 6363 if (!valid_index(local, index)) 6364 index = current_index; 6365 6366 /* Set the length */ 6367 if (dwrq->length > MIN_KEY_SIZE) 6368 key.len = MAX_KEY_SIZE; 6369 else 6370 key.len = MIN_KEY_SIZE; 6371 /* Check if the key is not marked as invalid */ 6372 if (!(dwrq->flags & IW_ENCODE_NOKEY)) { 6373 /* Cleanup */ 6374 memset(key.key, 0, MAX_KEY_SIZE); 6375 /* Copy the key in the driver */ 6376 memcpy(key.key, extra, dwrq->length); 6377 /* Send the key to the card */ 6378 rc = set_wep_key(local, index, key.key, key.len, perm, 1); 6379 if (rc < 0) { 6380 airo_print_err(local->dev->name, "failed to set" 6381 " WEP key at index %d: %d.", 6382 index, rc); 6383 return rc; 6384 } 6385 } 6386 /* WE specify that if a valid key is set, encryption 6387 * should be enabled (user may turn it off later) 6388 * This is also how "iwconfig ethX key on" works */ 6389 if ((index == current_index) && (key.len > 0) && 6390 (local->config.authType == AUTH_OPEN)) 6391 set_auth_type(local, AUTH_ENCRYPT); 6392 } else { 6393 /* Do we want to just set the transmit key index ? */ 6394 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6395 if (valid_index(local, index)) { 6396 rc = set_wep_tx_idx(local, index, perm, 1); 6397 if (rc < 0) { 6398 airo_print_err(local->dev->name, "failed to set" 6399 " WEP transmit index to %d: %d.", 6400 index, rc); 6401 return rc; 6402 } 6403 } else { 6404 /* Don't complain if only change the mode */ 6405 if (!(dwrq->flags & IW_ENCODE_MODE)) 6406 return -EINVAL; 6407 } 6408 } 6409 /* Read the flags */ 6410 if (dwrq->flags & IW_ENCODE_DISABLED) 6411 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6412 if (dwrq->flags & IW_ENCODE_RESTRICTED) 6413 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6414 if (dwrq->flags & IW_ENCODE_OPEN) 6415 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */ 6416 /* Commit the changes to flags if needed */ 6417 if (local->config.authType != currentAuthType) 6418 set_bit (FLAG_COMMIT, &local->flags); 6419 return -EINPROGRESS; /* Call commit handler */ 6420 } 6421 6422 /*------------------------------------------------------------------*/ 6423 /* 6424 * Wireless Handler : get Encryption Key 6425 */ 6426 static int airo_get_encode(struct net_device *dev, 6427 struct iw_request_info *info, 6428 struct iw_point *dwrq, 6429 char *extra) 6430 { 6431 struct airo_info *local = dev->ml_priv; 6432 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6433 int wep_key_len; 6434 u8 buf[16]; 6435 6436 if (!local->wep_capable) 6437 return -EOPNOTSUPP; 6438 6439 readConfigRid(local, 1); 6440 6441 /* Check encryption mode */ 6442 switch(local->config.authType) { 6443 case AUTH_ENCRYPT: 6444 dwrq->flags = IW_ENCODE_OPEN; 6445 break; 6446 case AUTH_SHAREDKEY: 6447 dwrq->flags = IW_ENCODE_RESTRICTED; 6448 break; 6449 default: 6450 case AUTH_OPEN: 6451 dwrq->flags = IW_ENCODE_DISABLED; 6452 break; 6453 } 6454 /* We can't return the key, so set the proper flag and return zero */ 6455 dwrq->flags |= IW_ENCODE_NOKEY; 6456 memset(extra, 0, 16); 6457 6458 /* Which key do we want ? -1 -> tx index */ 6459 if (!valid_index(local, index)) { 6460 index = get_wep_tx_idx(local); 6461 if (index < 0) 6462 index = 0; 6463 } 6464 dwrq->flags |= index + 1; 6465 6466 /* Copy the key to the user buffer */ 6467 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf)); 6468 if (wep_key_len < 0) { 6469 dwrq->length = 0; 6470 } else { 6471 dwrq->length = wep_key_len; 6472 memcpy(extra, buf, dwrq->length); 6473 } 6474 6475 return 0; 6476 } 6477 6478 /*------------------------------------------------------------------*/ 6479 /* 6480 * Wireless Handler : set extended Encryption parameters 6481 */ 6482 static int airo_set_encodeext(struct net_device *dev, 6483 struct iw_request_info *info, 6484 union iwreq_data *wrqu, 6485 char *extra) 6486 { 6487 struct airo_info *local = dev->ml_priv; 6488 struct iw_point *encoding = &wrqu->encoding; 6489 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6490 int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1); 6491 __le16 currentAuthType = local->config.authType; 6492 int idx, key_len, alg = ext->alg, set_key = 1, rc; 6493 wep_key_t key; 6494 6495 if (!local->wep_capable) 6496 return -EOPNOTSUPP; 6497 6498 readConfigRid(local, 1); 6499 6500 /* Determine and validate the key index */ 6501 idx = encoding->flags & IW_ENCODE_INDEX; 6502 if (idx) { 6503 if (!valid_index(local, idx - 1)) 6504 return -EINVAL; 6505 idx--; 6506 } else { 6507 idx = get_wep_tx_idx(local); 6508 if (idx < 0) 6509 idx = 0; 6510 } 6511 6512 if (encoding->flags & IW_ENCODE_DISABLED) 6513 alg = IW_ENCODE_ALG_NONE; 6514 6515 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 6516 /* Only set transmit key index here, actual 6517 * key is set below if needed. 6518 */ 6519 rc = set_wep_tx_idx(local, idx, perm, 1); 6520 if (rc < 0) { 6521 airo_print_err(local->dev->name, "failed to set " 6522 "WEP transmit index to %d: %d.", 6523 idx, rc); 6524 return rc; 6525 } 6526 set_key = ext->key_len > 0 ? 1 : 0; 6527 } 6528 6529 if (set_key) { 6530 /* Set the requested key first */ 6531 memset(key.key, 0, MAX_KEY_SIZE); 6532 switch (alg) { 6533 case IW_ENCODE_ALG_NONE: 6534 key.len = 0; 6535 break; 6536 case IW_ENCODE_ALG_WEP: 6537 if (ext->key_len > MIN_KEY_SIZE) { 6538 key.len = MAX_KEY_SIZE; 6539 } else if (ext->key_len > 0) { 6540 key.len = MIN_KEY_SIZE; 6541 } else { 6542 return -EINVAL; 6543 } 6544 key_len = min (ext->key_len, key.len); 6545 memcpy(key.key, ext->key, key_len); 6546 break; 6547 default: 6548 return -EINVAL; 6549 } 6550 if (key.len == 0) { 6551 rc = set_wep_tx_idx(local, idx, perm, 1); 6552 if (rc < 0) { 6553 airo_print_err(local->dev->name, 6554 "failed to set WEP transmit index to %d: %d.", 6555 idx, rc); 6556 return rc; 6557 } 6558 } else { 6559 rc = set_wep_key(local, idx, key.key, key.len, perm, 1); 6560 if (rc < 0) { 6561 airo_print_err(local->dev->name, 6562 "failed to set WEP key at index %d: %d.", 6563 idx, rc); 6564 return rc; 6565 } 6566 } 6567 } 6568 6569 /* Read the flags */ 6570 if (encoding->flags & IW_ENCODE_DISABLED) 6571 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6572 if (encoding->flags & IW_ENCODE_RESTRICTED) 6573 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6574 if (encoding->flags & IW_ENCODE_OPEN) 6575 set_auth_type(local, AUTH_ENCRYPT); 6576 /* Commit the changes to flags if needed */ 6577 if (local->config.authType != currentAuthType) 6578 set_bit (FLAG_COMMIT, &local->flags); 6579 6580 return -EINPROGRESS; 6581 } 6582 6583 6584 /*------------------------------------------------------------------*/ 6585 /* 6586 * Wireless Handler : get extended Encryption parameters 6587 */ 6588 static int airo_get_encodeext(struct net_device *dev, 6589 struct iw_request_info *info, 6590 union iwreq_data *wrqu, 6591 char *extra) 6592 { 6593 struct airo_info *local = dev->ml_priv; 6594 struct iw_point *encoding = &wrqu->encoding; 6595 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6596 int idx, max_key_len, wep_key_len; 6597 u8 buf[16]; 6598 6599 if (!local->wep_capable) 6600 return -EOPNOTSUPP; 6601 6602 readConfigRid(local, 1); 6603 6604 max_key_len = encoding->length - sizeof(*ext); 6605 if (max_key_len < 0) 6606 return -EINVAL; 6607 6608 idx = encoding->flags & IW_ENCODE_INDEX; 6609 if (idx) { 6610 if (!valid_index(local, idx - 1)) 6611 return -EINVAL; 6612 idx--; 6613 } else { 6614 idx = get_wep_tx_idx(local); 6615 if (idx < 0) 6616 idx = 0; 6617 } 6618 6619 encoding->flags = idx + 1; 6620 memset(ext, 0, sizeof(*ext)); 6621 6622 /* Check encryption mode */ 6623 switch(local->config.authType) { 6624 case AUTH_ENCRYPT: 6625 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6626 break; 6627 case AUTH_SHAREDKEY: 6628 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6629 break; 6630 default: 6631 case AUTH_OPEN: 6632 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED; 6633 break; 6634 } 6635 /* We can't return the key, so set the proper flag and return zero */ 6636 encoding->flags |= IW_ENCODE_NOKEY; 6637 memset(extra, 0, 16); 6638 6639 /* Copy the key to the user buffer */ 6640 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); 6641 if (wep_key_len < 0) { 6642 ext->key_len = 0; 6643 } else { 6644 ext->key_len = wep_key_len; 6645 memcpy(extra, buf, ext->key_len); 6646 } 6647 6648 return 0; 6649 } 6650 6651 6652 /*------------------------------------------------------------------*/ 6653 /* 6654 * Wireless Handler : set extended authentication parameters 6655 */ 6656 static int airo_set_auth(struct net_device *dev, 6657 struct iw_request_info *info, 6658 union iwreq_data *wrqu, char *extra) 6659 { 6660 struct airo_info *local = dev->ml_priv; 6661 struct iw_param *param = &wrqu->param; 6662 __le16 currentAuthType = local->config.authType; 6663 6664 switch (param->flags & IW_AUTH_INDEX) { 6665 case IW_AUTH_WPA_VERSION: 6666 case IW_AUTH_CIPHER_PAIRWISE: 6667 case IW_AUTH_CIPHER_GROUP: 6668 case IW_AUTH_KEY_MGMT: 6669 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 6670 case IW_AUTH_PRIVACY_INVOKED: 6671 /* 6672 * airo does not use these parameters 6673 */ 6674 break; 6675 6676 case IW_AUTH_DROP_UNENCRYPTED: 6677 if (param->value) { 6678 /* Only change auth type if unencrypted */ 6679 if (currentAuthType == AUTH_OPEN) 6680 set_auth_type(local, AUTH_ENCRYPT); 6681 } else { 6682 set_auth_type(local, AUTH_OPEN); 6683 } 6684 6685 /* Commit the changes to flags if needed */ 6686 if (local->config.authType != currentAuthType) 6687 set_bit (FLAG_COMMIT, &local->flags); 6688 break; 6689 6690 case IW_AUTH_80211_AUTH_ALG: { 6691 if (param->value & IW_AUTH_ALG_SHARED_KEY) { 6692 set_auth_type(local, AUTH_SHAREDKEY); 6693 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { 6694 /* We don't know here if WEP open system or 6695 * unencrypted mode was requested - so use the 6696 * last mode (of these two) used last time 6697 */ 6698 set_auth_type(local, local->last_auth); 6699 } else 6700 return -EINVAL; 6701 6702 /* Commit the changes to flags if needed */ 6703 if (local->config.authType != currentAuthType) 6704 set_bit (FLAG_COMMIT, &local->flags); 6705 break; 6706 } 6707 6708 case IW_AUTH_WPA_ENABLED: 6709 /* Silently accept disable of WPA */ 6710 if (param->value > 0) 6711 return -EOPNOTSUPP; 6712 break; 6713 6714 default: 6715 return -EOPNOTSUPP; 6716 } 6717 return -EINPROGRESS; 6718 } 6719 6720 6721 /*------------------------------------------------------------------*/ 6722 /* 6723 * Wireless Handler : get extended authentication parameters 6724 */ 6725 static int airo_get_auth(struct net_device *dev, 6726 struct iw_request_info *info, 6727 union iwreq_data *wrqu, char *extra) 6728 { 6729 struct airo_info *local = dev->ml_priv; 6730 struct iw_param *param = &wrqu->param; 6731 __le16 currentAuthType = local->config.authType; 6732 6733 switch (param->flags & IW_AUTH_INDEX) { 6734 case IW_AUTH_DROP_UNENCRYPTED: 6735 switch (currentAuthType) { 6736 case AUTH_SHAREDKEY: 6737 case AUTH_ENCRYPT: 6738 param->value = 1; 6739 break; 6740 default: 6741 param->value = 0; 6742 break; 6743 } 6744 break; 6745 6746 case IW_AUTH_80211_AUTH_ALG: 6747 switch (currentAuthType) { 6748 case AUTH_SHAREDKEY: 6749 param->value = IW_AUTH_ALG_SHARED_KEY; 6750 break; 6751 case AUTH_ENCRYPT: 6752 default: 6753 param->value = IW_AUTH_ALG_OPEN_SYSTEM; 6754 break; 6755 } 6756 break; 6757 6758 case IW_AUTH_WPA_ENABLED: 6759 param->value = 0; 6760 break; 6761 6762 default: 6763 return -EOPNOTSUPP; 6764 } 6765 return 0; 6766 } 6767 6768 6769 /*------------------------------------------------------------------*/ 6770 /* 6771 * Wireless Handler : set Tx-Power 6772 */ 6773 static int airo_set_txpow(struct net_device *dev, 6774 struct iw_request_info *info, 6775 struct iw_param *vwrq, 6776 char *extra) 6777 { 6778 struct airo_info *local = dev->ml_priv; 6779 CapabilityRid cap_rid; /* Card capability info */ 6780 int i; 6781 int rc = -EINVAL; 6782 __le16 v = cpu_to_le16(vwrq->value); 6783 6784 readCapabilityRid(local, &cap_rid, 1); 6785 6786 if (vwrq->disabled) { 6787 set_bit (FLAG_RADIO_OFF, &local->flags); 6788 set_bit (FLAG_COMMIT, &local->flags); 6789 return -EINPROGRESS; /* Call commit handler */ 6790 } 6791 if (vwrq->flags != IW_TXPOW_MWATT) { 6792 return -EINVAL; 6793 } 6794 clear_bit (FLAG_RADIO_OFF, &local->flags); 6795 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++) 6796 if (v == cap_rid.txPowerLevels[i]) { 6797 readConfigRid(local, 1); 6798 local->config.txPower = v; 6799 set_bit (FLAG_COMMIT, &local->flags); 6800 rc = -EINPROGRESS; /* Call commit handler */ 6801 break; 6802 } 6803 return rc; 6804 } 6805 6806 /*------------------------------------------------------------------*/ 6807 /* 6808 * Wireless Handler : get Tx-Power 6809 */ 6810 static int airo_get_txpow(struct net_device *dev, 6811 struct iw_request_info *info, 6812 struct iw_param *vwrq, 6813 char *extra) 6814 { 6815 struct airo_info *local = dev->ml_priv; 6816 6817 readConfigRid(local, 1); 6818 vwrq->value = le16_to_cpu(local->config.txPower); 6819 vwrq->fixed = 1; /* No power control */ 6820 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags); 6821 vwrq->flags = IW_TXPOW_MWATT; 6822 6823 return 0; 6824 } 6825 6826 /*------------------------------------------------------------------*/ 6827 /* 6828 * Wireless Handler : set Retry limits 6829 */ 6830 static int airo_set_retry(struct net_device *dev, 6831 struct iw_request_info *info, 6832 struct iw_param *vwrq, 6833 char *extra) 6834 { 6835 struct airo_info *local = dev->ml_priv; 6836 int rc = -EINVAL; 6837 6838 if (vwrq->disabled) { 6839 return -EINVAL; 6840 } 6841 readConfigRid(local, 1); 6842 if (vwrq->flags & IW_RETRY_LIMIT) { 6843 __le16 v = cpu_to_le16(vwrq->value); 6844 if (vwrq->flags & IW_RETRY_LONG) 6845 local->config.longRetryLimit = v; 6846 else if (vwrq->flags & IW_RETRY_SHORT) 6847 local->config.shortRetryLimit = v; 6848 else { 6849 /* No modifier : set both */ 6850 local->config.longRetryLimit = v; 6851 local->config.shortRetryLimit = v; 6852 } 6853 set_bit (FLAG_COMMIT, &local->flags); 6854 rc = -EINPROGRESS; /* Call commit handler */ 6855 } 6856 if (vwrq->flags & IW_RETRY_LIFETIME) { 6857 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024); 6858 set_bit (FLAG_COMMIT, &local->flags); 6859 rc = -EINPROGRESS; /* Call commit handler */ 6860 } 6861 return rc; 6862 } 6863 6864 /*------------------------------------------------------------------*/ 6865 /* 6866 * Wireless Handler : get Retry limits 6867 */ 6868 static int airo_get_retry(struct net_device *dev, 6869 struct iw_request_info *info, 6870 struct iw_param *vwrq, 6871 char *extra) 6872 { 6873 struct airo_info *local = dev->ml_priv; 6874 6875 vwrq->disabled = 0; /* Can't be disabled */ 6876 6877 readConfigRid(local, 1); 6878 /* Note : by default, display the min retry number */ 6879 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { 6880 vwrq->flags = IW_RETRY_LIFETIME; 6881 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024; 6882 } else if ((vwrq->flags & IW_RETRY_LONG)) { 6883 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 6884 vwrq->value = le16_to_cpu(local->config.longRetryLimit); 6885 } else { 6886 vwrq->flags = IW_RETRY_LIMIT; 6887 vwrq->value = le16_to_cpu(local->config.shortRetryLimit); 6888 if (local->config.shortRetryLimit != local->config.longRetryLimit) 6889 vwrq->flags |= IW_RETRY_SHORT; 6890 } 6891 6892 return 0; 6893 } 6894 6895 /*------------------------------------------------------------------*/ 6896 /* 6897 * Wireless Handler : get range info 6898 */ 6899 static int airo_get_range(struct net_device *dev, 6900 struct iw_request_info *info, 6901 struct iw_point *dwrq, 6902 char *extra) 6903 { 6904 struct airo_info *local = dev->ml_priv; 6905 struct iw_range *range = (struct iw_range *) extra; 6906 CapabilityRid cap_rid; /* Card capability info */ 6907 int i; 6908 int k; 6909 6910 readCapabilityRid(local, &cap_rid, 1); 6911 6912 dwrq->length = sizeof(struct iw_range); 6913 memset(range, 0, sizeof(*range)); 6914 range->min_nwid = 0x0000; 6915 range->max_nwid = 0x0000; 6916 range->num_channels = 14; 6917 /* Should be based on cap_rid.country to give only 6918 * what the current card support */ 6919 k = 0; 6920 for (i = 0; i < 14; i++) { 6921 range->freq[k].i = i + 1; /* List index */ 6922 range->freq[k].m = 100000 * 6923 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ); 6924 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */ 6925 } 6926 range->num_frequency = k; 6927 6928 range->sensitivity = 65535; 6929 6930 /* Hum... Should put the right values there */ 6931 if (local->rssi) 6932 range->max_qual.qual = 100; /* % */ 6933 else 6934 range->max_qual.qual = airo_get_max_quality(&cap_rid); 6935 range->max_qual.level = 0x100 - 120; /* -120 dBm */ 6936 range->max_qual.noise = 0x100 - 120; /* -120 dBm */ 6937 6938 /* Experimental measurements - boundary 11/5.5 Mb/s */ 6939 /* Note : with or without the (local->rssi), results 6940 * are somewhat different. - Jean II */ 6941 if (local->rssi) { 6942 range->avg_qual.qual = 50; /* % */ 6943 range->avg_qual.level = 0x100 - 70; /* -70 dBm */ 6944 } else { 6945 range->avg_qual.qual = airo_get_avg_quality(&cap_rid); 6946 range->avg_qual.level = 0x100 - 80; /* -80 dBm */ 6947 } 6948 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */ 6949 6950 for (i = 0 ; i < 8 ; i++) { 6951 range->bitrate[i] = cap_rid.supportedRates[i] * 500000; 6952 if (range->bitrate[i] == 0) 6953 break; 6954 } 6955 range->num_bitrates = i; 6956 6957 /* Set an indication of the max TCP throughput 6958 * in bit/s that we can expect using this interface. 6959 * May be use for QoS stuff... Jean II */ 6960 if (i > 2) 6961 range->throughput = 5000 * 1000; 6962 else 6963 range->throughput = 1500 * 1000; 6964 6965 range->min_rts = 0; 6966 range->max_rts = AIRO_DEF_MTU; 6967 range->min_frag = 256; 6968 range->max_frag = AIRO_DEF_MTU; 6969 6970 if (cap_rid.softCap & cpu_to_le16(2)) { 6971 // WEP: RC4 40 bits 6972 range->encoding_size[0] = 5; 6973 // RC4 ~128 bits 6974 if (cap_rid.softCap & cpu_to_le16(0x100)) { 6975 range->encoding_size[1] = 13; 6976 range->num_encoding_sizes = 2; 6977 } else 6978 range->num_encoding_sizes = 1; 6979 range->max_encoding_tokens = 6980 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1; 6981 } else { 6982 range->num_encoding_sizes = 0; 6983 range->max_encoding_tokens = 0; 6984 } 6985 range->min_pmp = 0; 6986 range->max_pmp = 5000000; /* 5 secs */ 6987 range->min_pmt = 0; 6988 range->max_pmt = 65535 * 1024; /* ??? */ 6989 range->pmp_flags = IW_POWER_PERIOD; 6990 range->pmt_flags = IW_POWER_TIMEOUT; 6991 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; 6992 6993 /* Transmit Power - values are in mW */ 6994 for (i = 0 ; i < 8 ; i++) { 6995 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]); 6996 if (range->txpower[i] == 0) 6997 break; 6998 } 6999 range->num_txpower = i; 7000 range->txpower_capa = IW_TXPOW_MWATT; 7001 range->we_version_source = 19; 7002 range->we_version_compiled = WIRELESS_EXT; 7003 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; 7004 range->retry_flags = IW_RETRY_LIMIT; 7005 range->r_time_flags = IW_RETRY_LIFETIME; 7006 range->min_retry = 1; 7007 range->max_retry = 65535; 7008 range->min_r_time = 1024; 7009 range->max_r_time = 65535 * 1024; 7010 7011 /* Event capability (kernel + driver) */ 7012 range->event_capa[0] = (IW_EVENT_CAPA_K_0 | 7013 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | 7014 IW_EVENT_CAPA_MASK(SIOCGIWAP) | 7015 IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); 7016 range->event_capa[1] = IW_EVENT_CAPA_K_1; 7017 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP); 7018 return 0; 7019 } 7020 7021 /*------------------------------------------------------------------*/ 7022 /* 7023 * Wireless Handler : set Power Management 7024 */ 7025 static int airo_set_power(struct net_device *dev, 7026 struct iw_request_info *info, 7027 struct iw_param *vwrq, 7028 char *extra) 7029 { 7030 struct airo_info *local = dev->ml_priv; 7031 7032 readConfigRid(local, 1); 7033 if (vwrq->disabled) { 7034 if (sniffing_mode(local)) 7035 return -EINVAL; 7036 local->config.powerSaveMode = POWERSAVE_CAM; 7037 local->config.rmode &= ~RXMODE_MASK; 7038 local->config.rmode |= RXMODE_BC_MC_ADDR; 7039 set_bit (FLAG_COMMIT, &local->flags); 7040 return -EINPROGRESS; /* Call commit handler */ 7041 } 7042 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7043 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024); 7044 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7045 set_bit (FLAG_COMMIT, &local->flags); 7046 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { 7047 local->config.fastListenInterval = 7048 local->config.listenInterval = 7049 cpu_to_le16((vwrq->value + 500) / 1024); 7050 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7051 set_bit (FLAG_COMMIT, &local->flags); 7052 } 7053 switch (vwrq->flags & IW_POWER_MODE) { 7054 case IW_POWER_UNICAST_R: 7055 if (sniffing_mode(local)) 7056 return -EINVAL; 7057 local->config.rmode &= ~RXMODE_MASK; 7058 local->config.rmode |= RXMODE_ADDR; 7059 set_bit (FLAG_COMMIT, &local->flags); 7060 break; 7061 case IW_POWER_ALL_R: 7062 if (sniffing_mode(local)) 7063 return -EINVAL; 7064 local->config.rmode &= ~RXMODE_MASK; 7065 local->config.rmode |= RXMODE_BC_MC_ADDR; 7066 set_bit (FLAG_COMMIT, &local->flags); 7067 break; 7068 case IW_POWER_ON: 7069 /* This is broken, fixme ;-) */ 7070 break; 7071 default: 7072 return -EINVAL; 7073 } 7074 // Note : we may want to factor local->need_commit here 7075 // Note2 : may also want to factor RXMODE_RFMON test 7076 return -EINPROGRESS; /* Call commit handler */ 7077 } 7078 7079 /*------------------------------------------------------------------*/ 7080 /* 7081 * Wireless Handler : get Power Management 7082 */ 7083 static int airo_get_power(struct net_device *dev, 7084 struct iw_request_info *info, 7085 struct iw_param *vwrq, 7086 char *extra) 7087 { 7088 struct airo_info *local = dev->ml_priv; 7089 __le16 mode; 7090 7091 readConfigRid(local, 1); 7092 mode = local->config.powerSaveMode; 7093 if ((vwrq->disabled = (mode == POWERSAVE_CAM))) 7094 return 0; 7095 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7096 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024; 7097 vwrq->flags = IW_POWER_TIMEOUT; 7098 } else { 7099 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024; 7100 vwrq->flags = IW_POWER_PERIOD; 7101 } 7102 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR) 7103 vwrq->flags |= IW_POWER_UNICAST_R; 7104 else 7105 vwrq->flags |= IW_POWER_ALL_R; 7106 7107 return 0; 7108 } 7109 7110 /*------------------------------------------------------------------*/ 7111 /* 7112 * Wireless Handler : set Sensitivity 7113 */ 7114 static int airo_set_sens(struct net_device *dev, 7115 struct iw_request_info *info, 7116 struct iw_param *vwrq, 7117 char *extra) 7118 { 7119 struct airo_info *local = dev->ml_priv; 7120 7121 readConfigRid(local, 1); 7122 local->config.rssiThreshold = 7123 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value); 7124 set_bit (FLAG_COMMIT, &local->flags); 7125 7126 return -EINPROGRESS; /* Call commit handler */ 7127 } 7128 7129 /*------------------------------------------------------------------*/ 7130 /* 7131 * Wireless Handler : get Sensitivity 7132 */ 7133 static int airo_get_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 vwrq->value = le16_to_cpu(local->config.rssiThreshold); 7142 vwrq->disabled = (vwrq->value == 0); 7143 vwrq->fixed = 1; 7144 7145 return 0; 7146 } 7147 7148 /*------------------------------------------------------------------*/ 7149 /* 7150 * Wireless Handler : get AP List 7151 * Note : this is deprecated in favor of IWSCAN 7152 */ 7153 static int airo_get_aplist(struct net_device *dev, 7154 struct iw_request_info *info, 7155 struct iw_point *dwrq, 7156 char *extra) 7157 { 7158 struct airo_info *local = dev->ml_priv; 7159 struct sockaddr *address = (struct sockaddr *) extra; 7160 struct iw_quality *qual; 7161 BSSListRid BSSList; 7162 int i; 7163 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; 7164 7165 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL); 7166 if (!qual) 7167 return -ENOMEM; 7168 7169 for (i = 0; i < IW_MAX_AP; i++) { 7170 u16 dBm; 7171 if (readBSSListRid(local, loseSync, &BSSList)) 7172 break; 7173 loseSync = 0; 7174 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN); 7175 address[i].sa_family = ARPHRD_ETHER; 7176 dBm = le16_to_cpu(BSSList.dBm); 7177 if (local->rssi) { 7178 qual[i].level = 0x100 - dBm; 7179 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm); 7180 qual[i].updated = IW_QUAL_QUAL_UPDATED 7181 | IW_QUAL_LEVEL_UPDATED 7182 | IW_QUAL_DBM; 7183 } else { 7184 qual[i].level = (dBm + 321) / 2; 7185 qual[i].qual = 0; 7186 qual[i].updated = IW_QUAL_QUAL_INVALID 7187 | IW_QUAL_LEVEL_UPDATED 7188 | IW_QUAL_DBM; 7189 } 7190 qual[i].noise = local->wstats.qual.noise; 7191 if (BSSList.index == cpu_to_le16(0xffff)) 7192 break; 7193 } 7194 if (!i) { 7195 StatusRid status_rid; /* Card status info */ 7196 readStatusRid(local, &status_rid, 1); 7197 for (i = 0; 7198 i < min(IW_MAX_AP, 4) && 7199 (status_rid.bssid[i][0] 7200 & status_rid.bssid[i][1] 7201 & status_rid.bssid[i][2] 7202 & status_rid.bssid[i][3] 7203 & status_rid.bssid[i][4] 7204 & status_rid.bssid[i][5])!=0xff && 7205 (status_rid.bssid[i][0] 7206 | status_rid.bssid[i][1] 7207 | status_rid.bssid[i][2] 7208 | status_rid.bssid[i][3] 7209 | status_rid.bssid[i][4] 7210 | status_rid.bssid[i][5]); 7211 i++) { 7212 memcpy(address[i].sa_data, 7213 status_rid.bssid[i], ETH_ALEN); 7214 address[i].sa_family = ARPHRD_ETHER; 7215 } 7216 } else { 7217 dwrq->flags = 1; /* Should be define'd */ 7218 memcpy(extra + sizeof(struct sockaddr) * i, qual, 7219 sizeof(struct iw_quality) * i); 7220 } 7221 dwrq->length = i; 7222 7223 kfree(qual); 7224 return 0; 7225 } 7226 7227 /*------------------------------------------------------------------*/ 7228 /* 7229 * Wireless Handler : Initiate Scan 7230 */ 7231 static int airo_set_scan(struct net_device *dev, 7232 struct iw_request_info *info, 7233 struct iw_point *dwrq, 7234 char *extra) 7235 { 7236 struct airo_info *ai = dev->ml_priv; 7237 Cmd cmd; 7238 Resp rsp; 7239 int wake = 0; 7240 APListRid APList_rid_empty; 7241 7242 /* Note : you may have realised that, as this is a SET operation, 7243 * this is privileged and therefore a normal user can't 7244 * perform scanning. 7245 * This is not an error, while the device perform scanning, 7246 * traffic doesn't flow, so it's a perfect DoS... 7247 * Jean II */ 7248 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 7249 7250 if (down_interruptible(&ai->sem)) 7251 return -ERESTARTSYS; 7252 7253 /* If there's already a scan in progress, don't 7254 * trigger another one. */ 7255 if (ai->scan_timeout > 0) 7256 goto out; 7257 7258 /* Clear APList as it affects scan results */ 7259 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty)); 7260 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty)); 7261 disable_MAC(ai, 2); 7262 writeAPListRid(ai, &APList_rid_empty, 0); 7263 enable_MAC(ai, 0); 7264 7265 /* Initiate a scan command */ 7266 ai->scan_timeout = RUN_AT(3*HZ); 7267 memset(&cmd, 0, sizeof(cmd)); 7268 cmd.cmd = CMD_LISTBSS; 7269 issuecommand(ai, &cmd, &rsp, true); 7270 wake = 1; 7271 7272 out: 7273 up(&ai->sem); 7274 if (wake) 7275 wake_up_interruptible(&ai->thr_wait); 7276 return 0; 7277 } 7278 7279 /*------------------------------------------------------------------*/ 7280 /* 7281 * Translate scan data returned from the card to a card independent 7282 * format that the Wireless Tools will understand - Jean II 7283 */ 7284 static inline char *airo_translate_scan(struct net_device *dev, 7285 struct iw_request_info *info, 7286 char *current_ev, 7287 char *end_buf, 7288 BSSListRid *bss) 7289 { 7290 struct airo_info *ai = dev->ml_priv; 7291 struct iw_event iwe; /* Temporary buffer */ 7292 __le16 capabilities; 7293 char * current_val; /* For rates */ 7294 int i; 7295 char * buf; 7296 u16 dBm; 7297 7298 /* First entry *MUST* be the AP MAC address */ 7299 iwe.cmd = SIOCGIWAP; 7300 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 7301 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN); 7302 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7303 &iwe, IW_EV_ADDR_LEN); 7304 7305 /* Other entries will be displayed in the order we give them */ 7306 7307 /* Add the ESSID */ 7308 iwe.u.data.length = bss->ssidLen; 7309 if (iwe.u.data.length > 32) 7310 iwe.u.data.length = 32; 7311 iwe.cmd = SIOCGIWESSID; 7312 iwe.u.data.flags = 1; 7313 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7314 &iwe, bss->ssid); 7315 7316 /* Add mode */ 7317 iwe.cmd = SIOCGIWMODE; 7318 capabilities = bss->cap; 7319 if (capabilities & (CAP_ESS | CAP_IBSS)) { 7320 if (capabilities & CAP_ESS) 7321 iwe.u.mode = IW_MODE_MASTER; 7322 else 7323 iwe.u.mode = IW_MODE_ADHOC; 7324 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7325 &iwe, IW_EV_UINT_LEN); 7326 } 7327 7328 /* Add frequency */ 7329 iwe.cmd = SIOCGIWFREQ; 7330 iwe.u.freq.m = le16_to_cpu(bss->dsChannel); 7331 iwe.u.freq.m = 100000 * 7332 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ); 7333 iwe.u.freq.e = 1; 7334 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7335 &iwe, IW_EV_FREQ_LEN); 7336 7337 dBm = le16_to_cpu(bss->dBm); 7338 7339 /* Add quality statistics */ 7340 iwe.cmd = IWEVQUAL; 7341 if (ai->rssi) { 7342 iwe.u.qual.level = 0x100 - dBm; 7343 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm); 7344 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED 7345 | IW_QUAL_LEVEL_UPDATED 7346 | IW_QUAL_DBM; 7347 } else { 7348 iwe.u.qual.level = (dBm + 321) / 2; 7349 iwe.u.qual.qual = 0; 7350 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID 7351 | IW_QUAL_LEVEL_UPDATED 7352 | IW_QUAL_DBM; 7353 } 7354 iwe.u.qual.noise = ai->wstats.qual.noise; 7355 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7356 &iwe, IW_EV_QUAL_LEN); 7357 7358 /* Add encryption capability */ 7359 iwe.cmd = SIOCGIWENCODE; 7360 if (capabilities & CAP_PRIVACY) 7361 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 7362 else 7363 iwe.u.data.flags = IW_ENCODE_DISABLED; 7364 iwe.u.data.length = 0; 7365 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7366 &iwe, bss->ssid); 7367 7368 /* Rate : stuffing multiple values in a single event require a bit 7369 * more of magic - Jean II */ 7370 current_val = current_ev + iwe_stream_lcp_len(info); 7371 7372 iwe.cmd = SIOCGIWRATE; 7373 /* Those two flags are ignored... */ 7374 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 7375 /* Max 8 values */ 7376 for (i = 0 ; i < 8 ; i++) { 7377 /* NULL terminated */ 7378 if (bss->rates[i] == 0) 7379 break; 7380 /* Bit rate given in 500 kb/s units (+ 0x80) */ 7381 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000); 7382 /* Add new value to event */ 7383 current_val = iwe_stream_add_value(info, current_ev, 7384 current_val, end_buf, 7385 &iwe, IW_EV_PARAM_LEN); 7386 } 7387 /* Check if we added any event */ 7388 if ((current_val - current_ev) > iwe_stream_lcp_len(info)) 7389 current_ev = current_val; 7390 7391 /* Beacon interval */ 7392 buf = kmalloc(30, GFP_KERNEL); 7393 if (buf) { 7394 iwe.cmd = IWEVCUSTOM; 7395 sprintf(buf, "bcn_int=%d", bss->beaconInterval); 7396 iwe.u.data.length = strlen(buf); 7397 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7398 &iwe, buf); 7399 kfree(buf); 7400 } 7401 7402 /* Put WPA/RSN Information Elements into the event stream */ 7403 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) { 7404 unsigned int num_null_ies = 0; 7405 u16 length = sizeof (bss->extra.iep); 7406 u8 *ie = (void *)&bss->extra.iep; 7407 7408 while ((length >= 2) && (num_null_ies < 2)) { 7409 if (2 + ie[1] > length) { 7410 /* Invalid element, don't continue parsing IE */ 7411 break; 7412 } 7413 7414 switch (ie[0]) { 7415 case WLAN_EID_SSID: 7416 /* Two zero-length SSID elements 7417 * mean we're done parsing elements */ 7418 if (!ie[1]) 7419 num_null_ies++; 7420 break; 7421 7422 case WLAN_EID_VENDOR_SPECIFIC: 7423 if (ie[1] >= 4 && 7424 ie[2] == 0x00 && 7425 ie[3] == 0x50 && 7426 ie[4] == 0xf2 && 7427 ie[5] == 0x01) { 7428 iwe.cmd = IWEVGENIE; 7429 /* 64 is an arbitrary cut-off */ 7430 iwe.u.data.length = min(ie[1] + 2, 7431 64); 7432 current_ev = iwe_stream_add_point( 7433 info, current_ev, 7434 end_buf, &iwe, ie); 7435 } 7436 break; 7437 7438 case WLAN_EID_RSN: 7439 iwe.cmd = IWEVGENIE; 7440 /* 64 is an arbitrary cut-off */ 7441 iwe.u.data.length = min(ie[1] + 2, 64); 7442 current_ev = iwe_stream_add_point( 7443 info, current_ev, end_buf, 7444 &iwe, ie); 7445 break; 7446 7447 default: 7448 break; 7449 } 7450 7451 length -= 2 + ie[1]; 7452 ie += 2 + ie[1]; 7453 } 7454 } 7455 return current_ev; 7456 } 7457 7458 /*------------------------------------------------------------------*/ 7459 /* 7460 * Wireless Handler : Read Scan Results 7461 */ 7462 static int airo_get_scan(struct net_device *dev, 7463 struct iw_request_info *info, 7464 struct iw_point *dwrq, 7465 char *extra) 7466 { 7467 struct airo_info *ai = dev->ml_priv; 7468 BSSListElement *net; 7469 int err = 0; 7470 char *current_ev = extra; 7471 7472 /* If a scan is in-progress, return -EAGAIN */ 7473 if (ai->scan_timeout > 0) 7474 return -EAGAIN; 7475 7476 if (down_interruptible(&ai->sem)) 7477 return -EAGAIN; 7478 7479 list_for_each_entry (net, &ai->network_list, list) { 7480 /* Translate to WE format this entry */ 7481 current_ev = airo_translate_scan(dev, info, current_ev, 7482 extra + dwrq->length, 7483 &net->bss); 7484 7485 /* Check if there is space for one more entry */ 7486 if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { 7487 /* Ask user space to try again with a bigger buffer */ 7488 err = -E2BIG; 7489 goto out; 7490 } 7491 } 7492 7493 /* Length of data */ 7494 dwrq->length = (current_ev - extra); 7495 dwrq->flags = 0; /* todo */ 7496 7497 out: 7498 up(&ai->sem); 7499 return err; 7500 } 7501 7502 /*------------------------------------------------------------------*/ 7503 /* 7504 * Commit handler : called after a bunch of SET operations 7505 */ 7506 static int airo_config_commit(struct net_device *dev, 7507 struct iw_request_info *info, /* NULL */ 7508 void *zwrq, /* NULL */ 7509 char *extra) /* NULL */ 7510 { 7511 struct airo_info *local = dev->ml_priv; 7512 7513 if (!test_bit (FLAG_COMMIT, &local->flags)) 7514 return 0; 7515 7516 /* Some of the "SET" function may have modified some of the 7517 * parameters. It's now time to commit them in the card */ 7518 disable_MAC(local, 1); 7519 if (test_bit (FLAG_RESET, &local->flags)) { 7520 SsidRid SSID_rid; 7521 7522 readSsidRid(local, &SSID_rid); 7523 if (test_bit(FLAG_MPI,&local->flags)) 7524 setup_card(local, dev->dev_addr, 1); 7525 else 7526 reset_airo_card(dev); 7527 disable_MAC(local, 1); 7528 writeSsidRid(local, &SSID_rid, 1); 7529 writeAPListRid(local, &local->APList, 1); 7530 } 7531 if (down_interruptible(&local->sem)) 7532 return -ERESTARTSYS; 7533 writeConfigRid(local, 0); 7534 enable_MAC(local, 0); 7535 if (test_bit (FLAG_RESET, &local->flags)) 7536 airo_set_promisc(local, true); 7537 else 7538 up(&local->sem); 7539 7540 return 0; 7541 } 7542 7543 /*------------------------------------------------------------------*/ 7544 /* 7545 * Structures to export the Wireless Handlers 7546 */ 7547 7548 static const struct iw_priv_args airo_private_args[] = { 7549 /*{ cmd, set_args, get_args, name } */ 7550 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7551 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" }, 7552 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7553 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" }, 7554 }; 7555 7556 static const iw_handler airo_handler[] = 7557 { 7558 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */ 7559 (iw_handler) airo_get_name, /* SIOCGIWNAME */ 7560 (iw_handler) NULL, /* SIOCSIWNWID */ 7561 (iw_handler) NULL, /* SIOCGIWNWID */ 7562 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */ 7563 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */ 7564 (iw_handler) airo_set_mode, /* SIOCSIWMODE */ 7565 (iw_handler) airo_get_mode, /* SIOCGIWMODE */ 7566 (iw_handler) airo_set_sens, /* SIOCSIWSENS */ 7567 (iw_handler) airo_get_sens, /* SIOCGIWSENS */ 7568 (iw_handler) NULL, /* SIOCSIWRANGE */ 7569 (iw_handler) airo_get_range, /* SIOCGIWRANGE */ 7570 (iw_handler) NULL, /* SIOCSIWPRIV */ 7571 (iw_handler) NULL, /* SIOCGIWPRIV */ 7572 (iw_handler) NULL, /* SIOCSIWSTATS */ 7573 (iw_handler) NULL, /* SIOCGIWSTATS */ 7574 iw_handler_set_spy, /* SIOCSIWSPY */ 7575 iw_handler_get_spy, /* SIOCGIWSPY */ 7576 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ 7577 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ 7578 (iw_handler) airo_set_wap, /* SIOCSIWAP */ 7579 (iw_handler) airo_get_wap, /* SIOCGIWAP */ 7580 (iw_handler) NULL, /* -- hole -- */ 7581 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */ 7582 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */ 7583 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */ 7584 (iw_handler) airo_set_essid, /* SIOCSIWESSID */ 7585 (iw_handler) airo_get_essid, /* SIOCGIWESSID */ 7586 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */ 7587 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */ 7588 (iw_handler) NULL, /* -- hole -- */ 7589 (iw_handler) NULL, /* -- hole -- */ 7590 (iw_handler) airo_set_rate, /* SIOCSIWRATE */ 7591 (iw_handler) airo_get_rate, /* SIOCGIWRATE */ 7592 (iw_handler) airo_set_rts, /* SIOCSIWRTS */ 7593 (iw_handler) airo_get_rts, /* SIOCGIWRTS */ 7594 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */ 7595 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */ 7596 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */ 7597 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */ 7598 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */ 7599 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */ 7600 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */ 7601 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */ 7602 (iw_handler) airo_set_power, /* SIOCSIWPOWER */ 7603 (iw_handler) airo_get_power, /* SIOCGIWPOWER */ 7604 (iw_handler) NULL, /* -- hole -- */ 7605 (iw_handler) NULL, /* -- hole -- */ 7606 (iw_handler) NULL, /* SIOCSIWGENIE */ 7607 (iw_handler) NULL, /* SIOCGIWGENIE */ 7608 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */ 7609 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */ 7610 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */ 7611 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */ 7612 (iw_handler) NULL, /* SIOCSIWPMKSA */ 7613 }; 7614 7615 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here. 7616 * We want to force the use of the ioctl code, because those can't be 7617 * won't work the iw_handler code (because they simultaneously read 7618 * and write data and iw_handler can't do that). 7619 * Note that it's perfectly legal to read/write on a single ioctl command, 7620 * you just can't use iwpriv and need to force it via the ioctl handler. 7621 * Jean II */ 7622 static const iw_handler airo_private_handler[] = 7623 { 7624 NULL, /* SIOCIWFIRSTPRIV */ 7625 }; 7626 7627 static const struct iw_handler_def airo_handler_def = 7628 { 7629 .num_standard = ARRAY_SIZE(airo_handler), 7630 .num_private = ARRAY_SIZE(airo_private_handler), 7631 .num_private_args = ARRAY_SIZE(airo_private_args), 7632 .standard = airo_handler, 7633 .private = airo_private_handler, 7634 .private_args = airo_private_args, 7635 .get_wireless_stats = airo_get_wireless_stats, 7636 }; 7637 7638 /* 7639 * This defines the configuration part of the Wireless Extensions 7640 * Note : irq and spinlock protection will occur in the subroutines 7641 * 7642 * TODO : 7643 * o Check input value more carefully and fill correct values in range 7644 * o Test and shakeout the bugs (if any) 7645 * 7646 * Jean II 7647 * 7648 * Javier Achirica did a great job of merging code from the unnamed CISCO 7649 * developer that added support for flashing the card. 7650 */ 7651 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 7652 { 7653 int rc = 0; 7654 struct airo_info *ai = dev->ml_priv; 7655 7656 if (ai->power.event) 7657 return 0; 7658 7659 switch (cmd) { 7660 #ifdef CISCO_EXT 7661 case AIROIDIFC: 7662 #ifdef AIROOLDIDIFC 7663 case AIROOLDIDIFC: 7664 #endif 7665 { 7666 int val = AIROMAGIC; 7667 aironet_ioctl com; 7668 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) 7669 rc = -EFAULT; 7670 else if (copy_to_user(com.data, (char *)&val, sizeof(val))) 7671 rc = -EFAULT; 7672 } 7673 break; 7674 7675 case AIROIOCTL: 7676 #ifdef AIROOLDIOCTL 7677 case AIROOLDIOCTL: 7678 #endif 7679 /* Get the command struct and hand it off for evaluation by 7680 * the proper subfunction 7681 */ 7682 { 7683 aironet_ioctl com; 7684 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) { 7685 rc = -EFAULT; 7686 break; 7687 } 7688 7689 /* Separate R/W functions bracket legality here 7690 */ 7691 if (com.command == AIRORSWVERSION) { 7692 if (copy_to_user(com.data, swversion, sizeof(swversion))) 7693 rc = -EFAULT; 7694 else 7695 rc = 0; 7696 } 7697 else if (com.command <= AIRORRID) 7698 rc = readrids(dev,&com); 7699 else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2)) 7700 rc = writerids(dev,&com); 7701 else if (com.command >= AIROFLSHRST && com.command <= AIRORESTART) 7702 rc = flashcard(dev,&com); 7703 else 7704 rc = -EINVAL; /* Bad command in ioctl */ 7705 } 7706 break; 7707 #endif /* CISCO_EXT */ 7708 7709 // All other calls are currently unsupported 7710 default: 7711 rc = -EOPNOTSUPP; 7712 } 7713 return rc; 7714 } 7715 7716 /* 7717 * Get the Wireless stats out of the driver 7718 * Note : irq and spinlock protection will occur in the subroutines 7719 * 7720 * TODO : 7721 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs) 7722 * 7723 * Jean 7724 */ 7725 static void airo_read_wireless_stats(struct airo_info *local) 7726 { 7727 StatusRid status_rid; 7728 StatsRid stats_rid; 7729 CapabilityRid cap_rid; 7730 __le32 *vals = stats_rid.vals; 7731 7732 /* Get stats out of the card */ 7733 if (local->power.event) 7734 return; 7735 7736 readCapabilityRid(local, &cap_rid, 0); 7737 readStatusRid(local, &status_rid, 0); 7738 readStatsRid(local, &stats_rid, RID_STATS, 0); 7739 7740 /* The status */ 7741 local->wstats.status = le16_to_cpu(status_rid.mode); 7742 7743 /* Signal quality and co */ 7744 if (local->rssi) { 7745 local->wstats.qual.level = 7746 airo_rssi_to_dbm(local->rssi, 7747 le16_to_cpu(status_rid.sigQuality)); 7748 /* normalizedSignalStrength appears to be a percentage */ 7749 local->wstats.qual.qual = 7750 le16_to_cpu(status_rid.normalizedSignalStrength); 7751 } else { 7752 local->wstats.qual.level = 7753 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2; 7754 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid); 7755 } 7756 if (le16_to_cpu(status_rid.len) >= 124) { 7757 local->wstats.qual.noise = 0x100 - status_rid.noisedBm; 7758 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 7759 } else { 7760 local->wstats.qual.noise = 0; 7761 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM; 7762 } 7763 7764 /* Packets discarded in the wireless adapter due to wireless 7765 * specific problems */ 7766 local->wstats.discard.nwid = le32_to_cpu(vals[56]) + 7767 le32_to_cpu(vals[57]) + 7768 le32_to_cpu(vals[58]); /* SSID Mismatch */ 7769 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */ 7770 local->wstats.discard.fragment = le32_to_cpu(vals[30]); 7771 local->wstats.discard.retries = le32_to_cpu(vals[10]); 7772 local->wstats.discard.misc = le32_to_cpu(vals[1]) + 7773 le32_to_cpu(vals[32]); 7774 local->wstats.miss.beacon = le32_to_cpu(vals[34]); 7775 } 7776 7777 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) 7778 { 7779 struct airo_info *local = dev->ml_priv; 7780 7781 if (!down_interruptible(&local->sem)) { 7782 airo_read_wireless_stats(local); 7783 up(&local->sem); 7784 } 7785 return &local->wstats; 7786 } 7787 7788 #ifdef CISCO_EXT 7789 /* 7790 * This just translates from driver IOCTL codes to the command codes to 7791 * feed to the radio's host interface. Things can be added/deleted 7792 * as needed. This represents the READ side of control I/O to 7793 * the card 7794 */ 7795 static int readrids(struct net_device *dev, aironet_ioctl *comp) 7796 { 7797 unsigned short ridcode; 7798 unsigned char *iobuf; 7799 int len; 7800 struct airo_info *ai = dev->ml_priv; 7801 7802 if (test_bit(FLAG_FLASHING, &ai->flags)) 7803 return -EIO; 7804 7805 switch(comp->command) 7806 { 7807 case AIROGCAP: ridcode = RID_CAPABILITIES; break; 7808 case AIROGCFG: ridcode = RID_CONFIG; 7809 if (test_bit(FLAG_COMMIT, &ai->flags)) { 7810 disable_MAC (ai, 1); 7811 writeConfigRid (ai, 1); 7812 enable_MAC(ai, 1); 7813 } 7814 break; 7815 case AIROGSLIST: ridcode = RID_SSID; break; 7816 case AIROGVLIST: ridcode = RID_APLIST; break; 7817 case AIROGDRVNAM: ridcode = RID_DRVNAME; break; 7818 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break; 7819 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break; 7820 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break; 7821 case AIROGSTAT: ridcode = RID_STATUS; break; 7822 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break; 7823 case AIROGSTATSC32: ridcode = RID_STATS; break; 7824 case AIROGMICSTATS: 7825 if (copy_to_user(comp->data, &ai->micstats, 7826 min((int)comp->len, (int)sizeof(ai->micstats)))) 7827 return -EFAULT; 7828 return 0; 7829 case AIRORRID: ridcode = comp->ridnum; break; 7830 default: 7831 return -EINVAL; 7832 } 7833 7834 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) { 7835 /* Only super-user can read WEP keys */ 7836 if (!capable(CAP_NET_ADMIN)) 7837 return -EPERM; 7838 } 7839 7840 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7841 return -ENOMEM; 7842 7843 PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1); 7844 /* get the count of bytes in the rid docs say 1st 2 bytes is it. 7845 * then return it to the user 7846 * 9/22/2000 Honor user given length 7847 */ 7848 len = comp->len; 7849 7850 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) { 7851 kfree (iobuf); 7852 return -EFAULT; 7853 } 7854 kfree (iobuf); 7855 return 0; 7856 } 7857 7858 /* 7859 * Danger Will Robinson write the rids here 7860 */ 7861 7862 static int writerids(struct net_device *dev, aironet_ioctl *comp) 7863 { 7864 struct airo_info *ai = dev->ml_priv; 7865 int ridcode; 7866 int enabled; 7867 int (*writer)(struct airo_info *, u16 rid, const void *, int, int); 7868 unsigned char *iobuf; 7869 7870 /* Only super-user can write RIDs */ 7871 if (!capable(CAP_NET_ADMIN)) 7872 return -EPERM; 7873 7874 if (test_bit(FLAG_FLASHING, &ai->flags)) 7875 return -EIO; 7876 7877 ridcode = 0; 7878 writer = do_writerid; 7879 7880 switch(comp->command) 7881 { 7882 case AIROPSIDS: ridcode = RID_SSID; break; 7883 case AIROPCAP: ridcode = RID_CAPABILITIES; break; 7884 case AIROPAPLIST: ridcode = RID_APLIST; break; 7885 case AIROPCFG: ai->config.len = 0; 7886 clear_bit(FLAG_COMMIT, &ai->flags); 7887 ridcode = RID_CONFIG; break; 7888 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break; 7889 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break; 7890 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break; 7891 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid; 7892 break; 7893 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break; 7894 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break; 7895 7896 /* this is not really a rid but a command given to the card 7897 * same with MAC off 7898 */ 7899 case AIROPMACON: 7900 if (enable_MAC(ai, 1) != 0) 7901 return -EIO; 7902 return 0; 7903 7904 /* 7905 * Evidently this code in the airo driver does not get a symbol 7906 * as disable_MAC. it's probably so short the compiler does not gen one. 7907 */ 7908 case AIROPMACOFF: 7909 disable_MAC(ai, 1); 7910 return 0; 7911 7912 /* This command merely clears the counts does not actually store any data 7913 * only reads rid. But as it changes the cards state, I put it in the 7914 * writerid routines. 7915 */ 7916 case AIROPSTCLR: 7917 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7918 return -ENOMEM; 7919 7920 PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1); 7921 7922 enabled = ai->micstats.enabled; 7923 memset(&ai->micstats, 0, sizeof(ai->micstats)); 7924 ai->micstats.enabled = enabled; 7925 7926 if (copy_to_user(comp->data, iobuf, 7927 min((int)comp->len, (int)RIDSIZE))) { 7928 kfree (iobuf); 7929 return -EFAULT; 7930 } 7931 kfree (iobuf); 7932 return 0; 7933 7934 default: 7935 return -EOPNOTSUPP; /* Blarg! */ 7936 } 7937 if (comp->len > RIDSIZE) 7938 return -EINVAL; 7939 7940 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7941 return -ENOMEM; 7942 7943 if (copy_from_user(iobuf, comp->data, comp->len)) { 7944 kfree (iobuf); 7945 return -EFAULT; 7946 } 7947 7948 if (comp->command == AIROPCFG) { 7949 ConfigRid *cfg = (ConfigRid *)iobuf; 7950 7951 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) 7952 cfg->opmode |= MODE_MIC; 7953 7954 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 7955 set_bit (FLAG_ADHOC, &ai->flags); 7956 else 7957 clear_bit (FLAG_ADHOC, &ai->flags); 7958 } 7959 7960 if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) { 7961 kfree (iobuf); 7962 return -EIO; 7963 } 7964 kfree (iobuf); 7965 return 0; 7966 } 7967 7968 /***************************************************************************** 7969 * Ancillary flash / mod functions much black magic lurkes here * 7970 ***************************************************************************** 7971 */ 7972 7973 /* 7974 * Flash command switch table 7975 */ 7976 7977 static int flashcard(struct net_device *dev, aironet_ioctl *comp) 7978 { 7979 int z; 7980 7981 /* Only super-user can modify flash */ 7982 if (!capable(CAP_NET_ADMIN)) 7983 return -EPERM; 7984 7985 switch(comp->command) 7986 { 7987 case AIROFLSHRST: 7988 return cmdreset((struct airo_info *)dev->ml_priv); 7989 7990 case AIROFLSHSTFL: 7991 if (!AIRO_FLASH(dev) && 7992 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL) 7993 return -ENOMEM; 7994 return setflashmode((struct airo_info *)dev->ml_priv); 7995 7996 case AIROFLSHGCHR: /* Get char from aux */ 7997 if (comp->len != sizeof(int)) 7998 return -EINVAL; 7999 if (copy_from_user(&z, comp->data, comp->len)) 8000 return -EFAULT; 8001 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000); 8002 8003 case AIROFLSHPCHR: /* Send char to card. */ 8004 if (comp->len != sizeof(int)) 8005 return -EINVAL; 8006 if (copy_from_user(&z, comp->data, comp->len)) 8007 return -EFAULT; 8008 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000); 8009 8010 case AIROFLPUTBUF: /* Send 32k to card */ 8011 if (!AIRO_FLASH(dev)) 8012 return -ENOMEM; 8013 if (comp->len > FLASHSIZE) 8014 return -EINVAL; 8015 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len)) 8016 return -EFAULT; 8017 8018 flashputbuf((struct airo_info *)dev->ml_priv); 8019 return 0; 8020 8021 case AIRORESTART: 8022 if (flashrestart((struct airo_info *)dev->ml_priv, dev)) 8023 return -EIO; 8024 return 0; 8025 } 8026 return -EINVAL; 8027 } 8028 8029 #define FLASH_COMMAND 0x7e7e 8030 8031 /* 8032 * STEP 1) 8033 * Disable MAC and do soft reset on 8034 * card. 8035 */ 8036 8037 static int cmdreset(struct airo_info *ai) 8038 { 8039 disable_MAC(ai, 1); 8040 8041 if (!waitbusy (ai)) { 8042 airo_print_info(ai->dev->name, "Waitbusy hang before RESET"); 8043 return -EBUSY; 8044 } 8045 8046 OUT4500(ai, COMMAND, CMD_SOFTRESET); 8047 8048 ssleep(1); /* WAS 600 12/7/00 */ 8049 8050 if (!waitbusy (ai)) { 8051 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET"); 8052 return -EBUSY; 8053 } 8054 return 0; 8055 } 8056 8057 /* STEP 2) 8058 * Put the card in legendary flash 8059 * mode 8060 */ 8061 8062 static int setflashmode (struct airo_info *ai) 8063 { 8064 set_bit (FLAG_FLASHING, &ai->flags); 8065 8066 OUT4500(ai, SWS0, FLASH_COMMAND); 8067 OUT4500(ai, SWS1, FLASH_COMMAND); 8068 if (probe) { 8069 OUT4500(ai, SWS0, FLASH_COMMAND); 8070 OUT4500(ai, COMMAND, 0x10); 8071 } else { 8072 OUT4500(ai, SWS2, FLASH_COMMAND); 8073 OUT4500(ai, SWS3, FLASH_COMMAND); 8074 OUT4500(ai, COMMAND, 0); 8075 } 8076 msleep(500); /* 500ms delay */ 8077 8078 if (!waitbusy(ai)) { 8079 clear_bit (FLAG_FLASHING, &ai->flags); 8080 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode"); 8081 return -EIO; 8082 } 8083 return 0; 8084 } 8085 8086 /* Put character to SWS0 wait for dwelltime 8087 * x 50us for echo . 8088 */ 8089 8090 static int flashpchar(struct airo_info *ai, int byte, int dwelltime) 8091 { 8092 int echo; 8093 int waittime; 8094 8095 byte |= 0x8000; 8096 8097 if (dwelltime == 0) 8098 dwelltime = 200; 8099 8100 waittime = dwelltime; 8101 8102 /* Wait for busy bit d15 to go false indicating buffer empty */ 8103 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) { 8104 udelay (50); 8105 waittime -= 50; 8106 } 8107 8108 /* timeout for busy clear wait */ 8109 if (waittime <= 0) { 8110 airo_print_info(ai->dev->name, "flash putchar busywait timeout!"); 8111 return -EBUSY; 8112 } 8113 8114 /* Port is clear now write byte and wait for it to echo back */ 8115 do { 8116 OUT4500(ai, SWS0, byte); 8117 udelay(50); 8118 dwelltime -= 50; 8119 echo = IN4500(ai, SWS1); 8120 } while (dwelltime >= 0 && echo != byte); 8121 8122 OUT4500(ai, SWS1, 0); 8123 8124 return (echo == byte) ? 0 : -EIO; 8125 } 8126 8127 /* 8128 * Get a character from the card matching matchbyte 8129 * Step 3) 8130 */ 8131 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime) 8132 { 8133 int rchar; 8134 unsigned char rbyte = 0; 8135 8136 do { 8137 rchar = IN4500(ai, SWS1); 8138 8139 if (dwelltime && !(0x8000 & rchar)) { 8140 dwelltime -= 10; 8141 mdelay(10); 8142 continue; 8143 } 8144 rbyte = 0xff & rchar; 8145 8146 if ((rbyte == matchbyte) && (0x8000 & rchar)) { 8147 OUT4500(ai, SWS1, 0); 8148 return 0; 8149 } 8150 if (rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar) 8151 break; 8152 OUT4500(ai, SWS1, 0); 8153 8154 } while (dwelltime > 0); 8155 return -EIO; 8156 } 8157 8158 /* 8159 * Transfer 32k of firmware data from user buffer to our buffer and 8160 * send to the card 8161 */ 8162 8163 static int flashputbuf(struct airo_info *ai) 8164 { 8165 int nwords; 8166 8167 /* Write stuff */ 8168 if (test_bit(FLAG_MPI,&ai->flags)) 8169 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE); 8170 else { 8171 OUT4500(ai, AUXPAGE, 0x100); 8172 OUT4500(ai, AUXOFF, 0); 8173 8174 for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) { 8175 OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff); 8176 } 8177 } 8178 OUT4500(ai, SWS0, 0x8000); 8179 8180 return 0; 8181 } 8182 8183 /* 8184 * 8185 */ 8186 static int flashrestart(struct airo_info *ai, struct net_device *dev) 8187 { 8188 int i, status; 8189 8190 ssleep(1); /* Added 12/7/00 */ 8191 clear_bit (FLAG_FLASHING, &ai->flags); 8192 if (test_bit(FLAG_MPI, &ai->flags)) { 8193 status = mpi_init_descriptors(ai); 8194 if (status != SUCCESS) 8195 return status; 8196 } 8197 status = setup_card(ai, dev->dev_addr, 1); 8198 8199 if (!test_bit(FLAG_MPI,&ai->flags)) 8200 for (i = 0; i < MAX_FIDS; i++) { 8201 ai->fids[i] = transmit_allocate 8202 (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2); 8203 } 8204 8205 ssleep(1); /* Added 12/7/00 */ 8206 return status; 8207 } 8208 #endif /* CISCO_EXT */ 8209 8210 /* 8211 This program is free software; you can redistribute it and/or 8212 modify it under the terms of the GNU General Public License 8213 as published by the Free Software Foundation; either version 2 8214 of the License, or (at your option) any later version. 8215 8216 This program is distributed in the hope that it will be useful, 8217 but WITHOUT ANY WARRANTY; without even the implied warranty of 8218 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8219 GNU General Public License for more details. 8220 8221 In addition: 8222 8223 Redistribution and use in source and binary forms, with or without 8224 modification, are permitted provided that the following conditions 8225 are met: 8226 8227 1. Redistributions of source code must retain the above copyright 8228 notice, this list of conditions and the following disclaimer. 8229 2. Redistributions in binary form must reproduce the above copyright 8230 notice, this list of conditions and the following disclaimer in the 8231 documentation and/or other materials provided with the distribution. 8232 3. The name of the author may not be used to endorse or promote 8233 products derived from this software without specific prior written 8234 permission. 8235 8236 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 8237 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 8238 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 8239 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 8240 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 8241 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 8242 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 8243 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 8244 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 8245 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 8246 POSSIBILITY OF SUCH DAMAGE. 8247 */ 8248 8249 module_init(airo_init_module); 8250 module_exit(airo_cleanup_module); 8251