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 extensions */ 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*, struct net_device *dev, 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_siocdevprivate(struct net_device *dev, struct ifreq *rq, void __user *, 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 dev_addr_set(ai->dev, addr->sa_data); 2341 if (ai->wifidev) 2342 dev_addr_set(ai->wifidev, addr->sa_data); 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_siocdevprivate = airo_siocdevprivate, 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_siocdevprivate = airo_siocdevprivate, 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_siocdevprivate = airo_siocdevprivate, 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, 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, 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 int noinline_for_stack airo_readconfig(struct airo_info *ai, 3821 struct net_device *dev, int lock) 3822 { 3823 int i, status; 3824 /* large variables, so don't inline this function, 3825 * maybe change to kmalloc 3826 */ 3827 tdsRssiRid rssi_rid; 3828 CapabilityRid cap_rid; 3829 3830 kfree(ai->SSID); 3831 ai->SSID = NULL; 3832 // general configuration (read/modify/write) 3833 status = readConfigRid(ai, lock); 3834 if (status != SUCCESS) return ERROR; 3835 3836 status = readCapabilityRid(ai, &cap_rid, lock); 3837 if (status != SUCCESS) return ERROR; 3838 3839 status = PC4500_readrid(ai, RID_RSSI, &rssi_rid, sizeof(rssi_rid), lock); 3840 if (status == SUCCESS) { 3841 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL) 3842 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */ 3843 } 3844 else { 3845 kfree(ai->rssi); 3846 ai->rssi = NULL; 3847 if (cap_rid.softCap & cpu_to_le16(8)) 3848 ai->config.rmode |= RXMODE_NORMALIZED_RSSI; 3849 else 3850 airo_print_warn(ai->dev->name, "unknown received signal " 3851 "level scale"); 3852 } 3853 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS; 3854 set_auth_type(ai, AUTH_OPEN); 3855 ai->config.modulation = MOD_CCK; 3856 3857 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) && 3858 (cap_rid.extSoftCap & cpu_to_le16(1)) && 3859 micsetup(ai) == SUCCESS) { 3860 ai->config.opmode |= MODE_MIC; 3861 set_bit(FLAG_MIC_CAPABLE, &ai->flags); 3862 } 3863 3864 /* Save off the MAC */ 3865 eth_hw_addr_set(dev, ai->config.macAddr); 3866 3867 /* Check to see if there are any insmod configured 3868 rates to add */ 3869 if (rates[0]) { 3870 memset(ai->config.rates, 0, sizeof(ai->config.rates)); 3871 for (i = 0; i < 8 && rates[i]; i++) { 3872 ai->config.rates[i] = rates[i]; 3873 } 3874 } 3875 set_bit (FLAG_COMMIT, &ai->flags); 3876 3877 return SUCCESS; 3878 } 3879 3880 3881 static u16 setup_card(struct airo_info *ai, struct net_device *dev, int lock) 3882 { 3883 Cmd cmd; 3884 Resp rsp; 3885 int status; 3886 SsidRid mySsid; 3887 __le16 lastindex; 3888 WepKeyRid wkr; 3889 int rc; 3890 3891 memset(&mySsid, 0, sizeof(mySsid)); 3892 kfree (ai->flash); 3893 ai->flash = NULL; 3894 3895 /* The NOP is the first step in getting the card going */ 3896 cmd.cmd = NOP; 3897 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0; 3898 if (lock && down_interruptible(&ai->sem)) 3899 return ERROR; 3900 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 3901 if (lock) 3902 up(&ai->sem); 3903 return ERROR; 3904 } 3905 disable_MAC(ai, 0); 3906 3907 // Let's figure out if we need to use the AUX port 3908 if (!test_bit(FLAG_MPI,&ai->flags)) { 3909 cmd.cmd = CMD_ENABLEAUX; 3910 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 3911 if (lock) 3912 up(&ai->sem); 3913 airo_print_err(ai->dev->name, "Error checking for AUX port"); 3914 return ERROR; 3915 } 3916 if (!aux_bap || rsp.status & 0xff00) { 3917 ai->bap_read = fast_bap_read; 3918 airo_print_dbg(ai->dev->name, "Doing fast bap_reads"); 3919 } else { 3920 ai->bap_read = aux_bap_read; 3921 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads"); 3922 } 3923 } 3924 if (lock) 3925 up(&ai->sem); 3926 if (ai->config.len == 0) { 3927 status = airo_readconfig(ai, dev, lock); 3928 if (status != SUCCESS) 3929 return ERROR; 3930 } 3931 3932 /* Setup the SSIDs if present */ 3933 if (ssids[0]) { 3934 int i; 3935 for (i = 0; i < 3 && ssids[i]; i++) { 3936 size_t len = strlen(ssids[i]); 3937 if (len > 32) 3938 len = 32; 3939 mySsid.ssids[i].len = cpu_to_le16(len); 3940 memcpy(mySsid.ssids[i].ssid, ssids[i], len); 3941 } 3942 mySsid.len = cpu_to_le16(sizeof(mySsid)); 3943 } 3944 3945 status = writeConfigRid(ai, lock); 3946 if (status != SUCCESS) return ERROR; 3947 3948 /* Set up the SSID list */ 3949 if (ssids[0]) { 3950 status = writeSsidRid(ai, &mySsid, lock); 3951 if (status != SUCCESS) return ERROR; 3952 } 3953 3954 status = enable_MAC(ai, lock); 3955 if (status != SUCCESS) 3956 return ERROR; 3957 3958 /* Grab the initial wep key, we gotta save it for auto_wep */ 3959 rc = readWepKeyRid(ai, &wkr, 1, lock); 3960 if (rc == SUCCESS) do { 3961 lastindex = wkr.kindex; 3962 if (wkr.kindex == cpu_to_le16(0xffff)) { 3963 ai->defindex = wkr.mac[0]; 3964 } 3965 rc = readWepKeyRid(ai, &wkr, 0, lock); 3966 } while (lastindex != wkr.kindex); 3967 3968 try_auto_wep(ai); 3969 3970 return SUCCESS; 3971 } 3972 3973 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp, 3974 bool may_sleep) 3975 { 3976 // Im really paranoid about letting it run forever! 3977 int max_tries = 600000; 3978 3979 if (IN4500(ai, EVSTAT) & EV_CMD) 3980 OUT4500(ai, EVACK, EV_CMD); 3981 3982 OUT4500(ai, PARAM0, pCmd->parm0); 3983 OUT4500(ai, PARAM1, pCmd->parm1); 3984 OUT4500(ai, PARAM2, pCmd->parm2); 3985 OUT4500(ai, COMMAND, pCmd->cmd); 3986 3987 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) { 3988 if ((IN4500(ai, COMMAND)) == pCmd->cmd) 3989 // PC4500 didn't notice command, try again 3990 OUT4500(ai, COMMAND, pCmd->cmd); 3991 if (may_sleep && (max_tries & 255) == 0) 3992 cond_resched(); 3993 } 3994 3995 if (max_tries == -1) { 3996 airo_print_err(ai->dev->name, 3997 "Max tries exceeded when issuing command"); 3998 if (IN4500(ai, COMMAND) & COMMAND_BUSY) 3999 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 4000 return ERROR; 4001 } 4002 4003 // command completed 4004 pRsp->status = IN4500(ai, STATUS); 4005 pRsp->rsp0 = IN4500(ai, RESP0); 4006 pRsp->rsp1 = IN4500(ai, RESP1); 4007 pRsp->rsp2 = IN4500(ai, RESP2); 4008 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) 4009 airo_print_err(ai->dev->name, 4010 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x", 4011 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1, 4012 pRsp->rsp2); 4013 4014 // clear stuck command busy if necessary 4015 if (IN4500(ai, COMMAND) & COMMAND_BUSY) { 4016 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 4017 } 4018 // acknowledge processing the status/response 4019 OUT4500(ai, EVACK, EV_CMD); 4020 4021 return SUCCESS; 4022 } 4023 4024 /* Sets up the bap to start exchange data. whichbap should 4025 * be one of the BAP0 or BAP1 defines. Locks should be held before 4026 * calling! */ 4027 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap) 4028 { 4029 int timeout = 50; 4030 int max_tries = 3; 4031 4032 OUT4500(ai, SELECT0+whichbap, rid); 4033 OUT4500(ai, OFFSET0+whichbap, offset); 4034 while (1) { 4035 int status = IN4500(ai, OFFSET0+whichbap); 4036 if (status & BAP_BUSY) { 4037 /* This isn't really a timeout, but its kinda 4038 close */ 4039 if (timeout--) { 4040 continue; 4041 } 4042 } else if (status & BAP_ERR) { 4043 /* invalid rid or offset */ 4044 airo_print_err(ai->dev->name, "BAP error %x %d", 4045 status, whichbap); 4046 return ERROR; 4047 } else if (status & BAP_DONE) { // success 4048 return SUCCESS; 4049 } 4050 if (!(max_tries--)) { 4051 airo_print_err(ai->dev->name, 4052 "BAP setup error too many retries\n"); 4053 return ERROR; 4054 } 4055 // -- PC4500 missed it, try again 4056 OUT4500(ai, SELECT0+whichbap, rid); 4057 OUT4500(ai, OFFSET0+whichbap, offset); 4058 timeout = 50; 4059 } 4060 } 4061 4062 /* should only be called by aux_bap_read. This aux function and the 4063 following use concepts not documented in the developers guide. I 4064 got them from a patch given to my by Aironet */ 4065 static u16 aux_setup(struct airo_info *ai, u16 page, 4066 u16 offset, u16 *len) 4067 { 4068 u16 next; 4069 4070 OUT4500(ai, AUXPAGE, page); 4071 OUT4500(ai, AUXOFF, 0); 4072 next = IN4500(ai, AUXDATA); 4073 *len = IN4500(ai, AUXDATA)&0xff; 4074 if (offset != 4) OUT4500(ai, AUXOFF, offset); 4075 return next; 4076 } 4077 4078 /* requires call to bap_setup() first */ 4079 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4080 int bytelen, int whichbap) 4081 { 4082 u16 len; 4083 u16 page; 4084 u16 offset; 4085 u16 next; 4086 int words; 4087 int i; 4088 unsigned long flags; 4089 4090 spin_lock_irqsave(&ai->aux_lock, flags); 4091 page = IN4500(ai, SWS0+whichbap); 4092 offset = IN4500(ai, SWS2+whichbap); 4093 next = aux_setup(ai, page, offset, &len); 4094 words = (bytelen+1)>>1; 4095 4096 for (i = 0; i<words;) { 4097 int count; 4098 count = (len>>1) < (words-i) ? (len>>1) : (words-i); 4099 if (!do8bitIO) 4100 insw(ai->dev->base_addr+DATA0+whichbap, 4101 pu16Dst+i, count); 4102 else 4103 insb(ai->dev->base_addr+DATA0+whichbap, 4104 pu16Dst+i, count << 1); 4105 i += count; 4106 if (i<words) { 4107 next = aux_setup(ai, next, 4, &len); 4108 } 4109 } 4110 spin_unlock_irqrestore(&ai->aux_lock, flags); 4111 return SUCCESS; 4112 } 4113 4114 4115 /* requires call to bap_setup() first */ 4116 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4117 int bytelen, int whichbap) 4118 { 4119 bytelen = (bytelen + 1) & (~1); // round up to even value 4120 if (!do8bitIO) 4121 insw(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1); 4122 else 4123 insb(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen); 4124 return SUCCESS; 4125 } 4126 4127 /* requires call to bap_setup() first */ 4128 static int bap_write(struct airo_info *ai, const __le16 *pu16Src, 4129 int bytelen, int whichbap) 4130 { 4131 bytelen = (bytelen + 1) & (~1); // round up to even value 4132 if (!do8bitIO) 4133 outsw(ai->dev->base_addr+DATA0+whichbap, 4134 pu16Src, bytelen>>1); 4135 else 4136 outsb(ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen); 4137 return SUCCESS; 4138 } 4139 4140 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd) 4141 { 4142 Cmd cmd; /* for issuing commands */ 4143 Resp rsp; /* response from commands */ 4144 u16 status; 4145 4146 memset(&cmd, 0, sizeof(cmd)); 4147 cmd.cmd = accmd; 4148 cmd.parm0 = rid; 4149 status = issuecommand(ai, &cmd, &rsp, true); 4150 if (status != 0) return status; 4151 if ((rsp.status & 0x7F00) != 0) { 4152 return (accmd << 8) + (rsp.rsp0 & 0xFF); 4153 } 4154 return 0; 4155 } 4156 4157 /* Note, that we are using BAP1 which is also used by transmit, so 4158 * we must get a lock. */ 4159 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock) 4160 { 4161 u16 status; 4162 int rc = SUCCESS; 4163 4164 if (lock) { 4165 if (down_interruptible(&ai->sem)) 4166 return ERROR; 4167 } 4168 if (test_bit(FLAG_MPI,&ai->flags)) { 4169 Cmd cmd; 4170 Resp rsp; 4171 4172 memset(&cmd, 0, sizeof(cmd)); 4173 memset(&rsp, 0, sizeof(rsp)); 4174 ai->config_desc.rid_desc.valid = 1; 4175 ai->config_desc.rid_desc.len = RIDSIZE; 4176 ai->config_desc.rid_desc.rid = 0; 4177 ai->config_desc.rid_desc.host_addr = ai->ridbus; 4178 4179 cmd.cmd = CMD_ACCESS; 4180 cmd.parm0 = rid; 4181 4182 memcpy_toio(ai->config_desc.card_ram_off, 4183 &ai->config_desc.rid_desc, sizeof(Rid)); 4184 4185 rc = issuecommand(ai, &cmd, &rsp, true); 4186 4187 if (rsp.status & 0x7f00) 4188 rc = rsp.rsp0; 4189 if (!rc) 4190 memcpy(pBuf, ai->config_desc.virtual_host_addr, len); 4191 goto done; 4192 } else { 4193 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) { 4194 rc = status; 4195 goto done; 4196 } 4197 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4198 rc = ERROR; 4199 goto done; 4200 } 4201 // read the rid length field 4202 bap_read(ai, pBuf, 2, BAP1); 4203 // length for remaining part of rid 4204 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2; 4205 4206 if (len <= 2) { 4207 airo_print_err(ai->dev->name, 4208 "Rid %x has a length of %d which is too short", 4209 (int)rid, (int)len); 4210 rc = ERROR; 4211 goto done; 4212 } 4213 // read remainder of the rid 4214 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1); 4215 } 4216 done: 4217 if (lock) 4218 up(&ai->sem); 4219 return rc; 4220 } 4221 4222 /* Note, that we are using BAP1 which is also used by transmit, so 4223 * make sure this isn't called when a transmit is happening */ 4224 static int PC4500_writerid(struct airo_info *ai, u16 rid, 4225 const void *pBuf, int len, int lock) 4226 { 4227 u16 status; 4228 int rc = SUCCESS; 4229 4230 *(__le16*)pBuf = cpu_to_le16((u16)len); 4231 4232 if (lock) { 4233 if (down_interruptible(&ai->sem)) 4234 return ERROR; 4235 } 4236 if (test_bit(FLAG_MPI,&ai->flags)) { 4237 Cmd cmd; 4238 Resp rsp; 4239 4240 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid)) 4241 airo_print_err(ai->dev->name, 4242 "%s: MAC should be disabled (rid=%04x)", 4243 __func__, rid); 4244 memset(&cmd, 0, sizeof(cmd)); 4245 memset(&rsp, 0, sizeof(rsp)); 4246 4247 ai->config_desc.rid_desc.valid = 1; 4248 ai->config_desc.rid_desc.len = *((u16 *)pBuf); 4249 ai->config_desc.rid_desc.rid = 0; 4250 4251 cmd.cmd = CMD_WRITERID; 4252 cmd.parm0 = rid; 4253 4254 memcpy_toio(ai->config_desc.card_ram_off, 4255 &ai->config_desc.rid_desc, sizeof(Rid)); 4256 4257 if (len < 4 || len > 2047) { 4258 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len); 4259 rc = -1; 4260 } else { 4261 memcpy(ai->config_desc.virtual_host_addr, 4262 pBuf, len); 4263 4264 rc = issuecommand(ai, &cmd, &rsp, true); 4265 if ((rc & 0xff00) != 0) { 4266 airo_print_err(ai->dev->name, "%s: Write rid Error %d", 4267 __func__, rc); 4268 airo_print_err(ai->dev->name, "%s: Cmd=%04x", 4269 __func__, cmd.cmd); 4270 } 4271 4272 if ((rsp.status & 0x7f00)) 4273 rc = rsp.rsp0; 4274 } 4275 } else { 4276 // --- first access so that we can write the rid data 4277 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) { 4278 rc = status; 4279 goto done; 4280 } 4281 // --- now write the rid data 4282 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4283 rc = ERROR; 4284 goto done; 4285 } 4286 bap_write(ai, pBuf, len, BAP1); 4287 // ---now commit the rid data 4288 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS); 4289 } 4290 done: 4291 if (lock) 4292 up(&ai->sem); 4293 return rc; 4294 } 4295 4296 /* Allocates a FID to be used for transmitting packets. We only use 4297 one for now. */ 4298 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw) 4299 { 4300 unsigned int loop = 3000; 4301 Cmd cmd; 4302 Resp rsp; 4303 u16 txFid; 4304 __le16 txControl; 4305 4306 cmd.cmd = CMD_ALLOCATETX; 4307 cmd.parm0 = lenPayload; 4308 if (down_interruptible(&ai->sem)) 4309 return ERROR; 4310 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 4311 txFid = ERROR; 4312 goto done; 4313 } 4314 if ((rsp.status & 0xFF00) != 0) { 4315 txFid = ERROR; 4316 goto done; 4317 } 4318 /* wait for the allocate event/indication 4319 * It makes me kind of nervous that this can just sit here and spin, 4320 * but in practice it only loops like four times. */ 4321 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop); 4322 if (!loop) { 4323 txFid = ERROR; 4324 goto done; 4325 } 4326 4327 // get the allocated fid and acknowledge 4328 txFid = IN4500(ai, TXALLOCFID); 4329 OUT4500(ai, EVACK, EV_ALLOC); 4330 4331 /* The CARD is pretty cool since it converts the ethernet packet 4332 * into 802.11. Also note that we don't release the FID since we 4333 * will be using the same one over and over again. */ 4334 /* We only have to setup the control once since we are not 4335 * releasing the fid. */ 4336 if (raw) 4337 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11 4338 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4339 else 4340 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3 4341 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4342 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) 4343 txFid = ERROR; 4344 else 4345 bap_write(ai, &txControl, sizeof(txControl), BAP1); 4346 4347 done: 4348 up(&ai->sem); 4349 4350 return txFid; 4351 } 4352 4353 /* In general BAP1 is dedicated to transmiting packets. However, 4354 since we need a BAP when accessing RIDs, we also use BAP1 for that. 4355 Make sure the BAP1 spinlock is held when this is called. */ 4356 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket, 4357 bool may_sleep) 4358 { 4359 __le16 payloadLen; 4360 Cmd cmd; 4361 Resp rsp; 4362 int miclen = 0; 4363 u16 txFid = len; 4364 MICBuffer pMic; 4365 4366 len >>= 16; 4367 4368 if (len <= ETH_ALEN * 2) { 4369 airo_print_warn(ai->dev->name, "Short packet %d", len); 4370 return ERROR; 4371 } 4372 len -= ETH_ALEN * 2; 4373 4374 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 4375 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) { 4376 if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS) 4377 return ERROR; 4378 miclen = sizeof(pMic); 4379 } 4380 // packet is destination[6], source[6], payload[len-12] 4381 // write the payload length and dst/src/payload 4382 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR; 4383 /* The hardware addresses aren't counted as part of the payload, so 4384 * we have to subtract the 12 bytes for the addresses off */ 4385 payloadLen = cpu_to_le16(len + miclen); 4386 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); 4387 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1); 4388 if (miclen) 4389 bap_write(ai, (__le16*)&pMic, miclen, BAP1); 4390 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1); 4391 // issue the transmit command 4392 memset(&cmd, 0, sizeof(cmd)); 4393 cmd.cmd = CMD_TRANSMIT; 4394 cmd.parm0 = txFid; 4395 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS) 4396 return ERROR; 4397 if ((rsp.status & 0xFF00) != 0) return ERROR; 4398 return SUCCESS; 4399 } 4400 4401 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket, 4402 bool may_sleep) 4403 { 4404 __le16 fc, payloadLen; 4405 Cmd cmd; 4406 Resp rsp; 4407 int hdrlen; 4408 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6}; 4409 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */ 4410 u16 txFid = len; 4411 len >>= 16; 4412 4413 fc = *(__le16*)pPacket; 4414 hdrlen = header_len(fc); 4415 4416 if (len < hdrlen) { 4417 airo_print_warn(ai->dev->name, "Short packet %d", len); 4418 return ERROR; 4419 } 4420 4421 /* packet is 802.11 header + payload 4422 * write the payload length and dst/src/payload */ 4423 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR; 4424 /* The 802.11 header aren't counted as part of the payload, so 4425 * we have to subtract the header bytes off */ 4426 payloadLen = cpu_to_le16(len-hdrlen); 4427 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); 4428 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR; 4429 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1); 4430 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1); 4431 4432 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1); 4433 // issue the transmit command 4434 memset(&cmd, 0, sizeof(cmd)); 4435 cmd.cmd = CMD_TRANSMIT; 4436 cmd.parm0 = txFid; 4437 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS) 4438 return ERROR; 4439 if ((rsp.status & 0xFF00) != 0) return ERROR; 4440 return SUCCESS; 4441 } 4442 4443 /* 4444 * This is the proc_fs routines. It is a bit messier than I would 4445 * like! Feel free to clean it up! 4446 */ 4447 4448 static ssize_t proc_read(struct file *file, 4449 char __user *buffer, 4450 size_t len, 4451 loff_t *offset); 4452 4453 static ssize_t proc_write(struct file *file, 4454 const char __user *buffer, 4455 size_t len, 4456 loff_t *offset); 4457 static int proc_close(struct inode *inode, struct file *file); 4458 4459 static int proc_stats_open(struct inode *inode, struct file *file); 4460 static int proc_statsdelta_open(struct inode *inode, struct file *file); 4461 static int proc_status_open(struct inode *inode, struct file *file); 4462 static int proc_SSID_open(struct inode *inode, struct file *file); 4463 static int proc_APList_open(struct inode *inode, struct file *file); 4464 static int proc_BSSList_open(struct inode *inode, struct file *file); 4465 static int proc_config_open(struct inode *inode, struct file *file); 4466 static int proc_wepkey_open(struct inode *inode, struct file *file); 4467 4468 static const struct proc_ops proc_statsdelta_ops = { 4469 .proc_read = proc_read, 4470 .proc_open = proc_statsdelta_open, 4471 .proc_release = proc_close, 4472 .proc_lseek = default_llseek, 4473 }; 4474 4475 static const struct proc_ops proc_stats_ops = { 4476 .proc_read = proc_read, 4477 .proc_open = proc_stats_open, 4478 .proc_release = proc_close, 4479 .proc_lseek = default_llseek, 4480 }; 4481 4482 static const struct proc_ops proc_status_ops = { 4483 .proc_read = proc_read, 4484 .proc_open = proc_status_open, 4485 .proc_release = proc_close, 4486 .proc_lseek = default_llseek, 4487 }; 4488 4489 static const struct proc_ops proc_SSID_ops = { 4490 .proc_read = proc_read, 4491 .proc_write = proc_write, 4492 .proc_open = proc_SSID_open, 4493 .proc_release = proc_close, 4494 .proc_lseek = default_llseek, 4495 }; 4496 4497 static const struct proc_ops proc_BSSList_ops = { 4498 .proc_read = proc_read, 4499 .proc_write = proc_write, 4500 .proc_open = proc_BSSList_open, 4501 .proc_release = proc_close, 4502 .proc_lseek = default_llseek, 4503 }; 4504 4505 static const struct proc_ops proc_APList_ops = { 4506 .proc_read = proc_read, 4507 .proc_write = proc_write, 4508 .proc_open = proc_APList_open, 4509 .proc_release = proc_close, 4510 .proc_lseek = default_llseek, 4511 }; 4512 4513 static const struct proc_ops proc_config_ops = { 4514 .proc_read = proc_read, 4515 .proc_write = proc_write, 4516 .proc_open = proc_config_open, 4517 .proc_release = proc_close, 4518 .proc_lseek = default_llseek, 4519 }; 4520 4521 static const struct proc_ops proc_wepkey_ops = { 4522 .proc_read = proc_read, 4523 .proc_write = proc_write, 4524 .proc_open = proc_wepkey_open, 4525 .proc_release = proc_close, 4526 .proc_lseek = default_llseek, 4527 }; 4528 4529 static struct proc_dir_entry *airo_entry; 4530 4531 struct proc_data { 4532 int release_buffer; 4533 int readlen; 4534 char *rbuffer; 4535 int writelen; 4536 int maxwritelen; 4537 char *wbuffer; 4538 void (*on_close) (struct inode *, struct file *); 4539 }; 4540 4541 static int setup_proc_entry(struct net_device *dev, 4542 struct airo_info *apriv) 4543 { 4544 struct proc_dir_entry *entry; 4545 4546 /* First setup the device directory */ 4547 strcpy(apriv->proc_name, dev->name); 4548 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm, 4549 airo_entry); 4550 if (!apriv->proc_entry) 4551 return -ENOMEM; 4552 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid); 4553 4554 /* Setup the StatsDelta */ 4555 entry = proc_create_data("StatsDelta", 0444 & proc_perm, 4556 apriv->proc_entry, &proc_statsdelta_ops, dev); 4557 if (!entry) 4558 goto fail; 4559 proc_set_user(entry, proc_kuid, proc_kgid); 4560 4561 /* Setup the Stats */ 4562 entry = proc_create_data("Stats", 0444 & proc_perm, 4563 apriv->proc_entry, &proc_stats_ops, dev); 4564 if (!entry) 4565 goto fail; 4566 proc_set_user(entry, proc_kuid, proc_kgid); 4567 4568 /* Setup the Status */ 4569 entry = proc_create_data("Status", 0444 & proc_perm, 4570 apriv->proc_entry, &proc_status_ops, dev); 4571 if (!entry) 4572 goto fail; 4573 proc_set_user(entry, proc_kuid, proc_kgid); 4574 4575 /* Setup the Config */ 4576 entry = proc_create_data("Config", proc_perm, 4577 apriv->proc_entry, &proc_config_ops, dev); 4578 if (!entry) 4579 goto fail; 4580 proc_set_user(entry, proc_kuid, proc_kgid); 4581 4582 /* Setup the SSID */ 4583 entry = proc_create_data("SSID", proc_perm, 4584 apriv->proc_entry, &proc_SSID_ops, dev); 4585 if (!entry) 4586 goto fail; 4587 proc_set_user(entry, proc_kuid, proc_kgid); 4588 4589 /* Setup the APList */ 4590 entry = proc_create_data("APList", proc_perm, 4591 apriv->proc_entry, &proc_APList_ops, dev); 4592 if (!entry) 4593 goto fail; 4594 proc_set_user(entry, proc_kuid, proc_kgid); 4595 4596 /* Setup the BSSList */ 4597 entry = proc_create_data("BSSList", proc_perm, 4598 apriv->proc_entry, &proc_BSSList_ops, dev); 4599 if (!entry) 4600 goto fail; 4601 proc_set_user(entry, proc_kuid, proc_kgid); 4602 4603 /* Setup the WepKey */ 4604 entry = proc_create_data("WepKey", proc_perm, 4605 apriv->proc_entry, &proc_wepkey_ops, dev); 4606 if (!entry) 4607 goto fail; 4608 proc_set_user(entry, proc_kuid, proc_kgid); 4609 return 0; 4610 4611 fail: 4612 remove_proc_subtree(apriv->proc_name, airo_entry); 4613 return -ENOMEM; 4614 } 4615 4616 static int takedown_proc_entry(struct net_device *dev, 4617 struct airo_info *apriv) 4618 { 4619 remove_proc_subtree(apriv->proc_name, airo_entry); 4620 return 0; 4621 } 4622 4623 /* 4624 * What we want from the proc_fs is to be able to efficiently read 4625 * and write the configuration. To do this, we want to read the 4626 * configuration when the file is opened and write it when the file is 4627 * closed. So basically we allocate a read buffer at open and fill it 4628 * with data, and allocate a write buffer and read it at close. 4629 */ 4630 4631 /* 4632 * The read routine is generic, it relies on the preallocated rbuffer 4633 * to supply the data. 4634 */ 4635 static ssize_t proc_read(struct file *file, 4636 char __user *buffer, 4637 size_t len, 4638 loff_t *offset) 4639 { 4640 struct proc_data *priv = file->private_data; 4641 4642 if (!priv->rbuffer) 4643 return -EINVAL; 4644 4645 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer, 4646 priv->readlen); 4647 } 4648 4649 /* 4650 * The write routine is generic, it fills in a preallocated rbuffer 4651 * to supply the data. 4652 */ 4653 static ssize_t proc_write(struct file *file, 4654 const char __user *buffer, 4655 size_t len, 4656 loff_t *offset) 4657 { 4658 ssize_t ret; 4659 struct proc_data *priv = file->private_data; 4660 4661 if (!priv->wbuffer) 4662 return -EINVAL; 4663 4664 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset, 4665 buffer, len); 4666 if (ret > 0) 4667 priv->writelen = max_t(int, priv->writelen, *offset); 4668 4669 return ret; 4670 } 4671 4672 static int proc_status_open(struct inode *inode, struct file *file) 4673 { 4674 struct proc_data *data; 4675 struct net_device *dev = pde_data(inode); 4676 struct airo_info *apriv = dev->ml_priv; 4677 CapabilityRid cap_rid; 4678 StatusRid status_rid; 4679 u16 mode; 4680 int i; 4681 4682 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4683 return -ENOMEM; 4684 data = file->private_data; 4685 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 4686 kfree (file->private_data); 4687 return -ENOMEM; 4688 } 4689 4690 readStatusRid(apriv, &status_rid, 1); 4691 readCapabilityRid(apriv, &cap_rid, 1); 4692 4693 mode = le16_to_cpu(status_rid.mode); 4694 4695 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n", 4696 mode & 1 ? "CFG ": "", 4697 mode & 2 ? "ACT ": "", 4698 mode & 0x10 ? "SYN ": "", 4699 mode & 0x20 ? "LNK ": "", 4700 mode & 0x40 ? "LEAP ": "", 4701 mode & 0x80 ? "PRIV ": "", 4702 mode & 0x100 ? "KEY ": "", 4703 mode & 0x200 ? "WEP ": "", 4704 mode & 0x8000 ? "ERR ": ""); 4705 sprintf(data->rbuffer+i, "Mode: %x\n" 4706 "Signal Strength: %d\n" 4707 "Signal Quality: %d\n" 4708 "SSID: %-.*s\n" 4709 "AP: %-.16s\n" 4710 "Freq: %d\n" 4711 "BitRate: %dmbs\n" 4712 "Driver Version: %s\n" 4713 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n" 4714 "Radio type: %x\nCountry: %x\nHardware Version: %x\n" 4715 "Software Version: %x\nSoftware Subversion: %x\n" 4716 "Boot block version: %x\n", 4717 le16_to_cpu(status_rid.mode), 4718 le16_to_cpu(status_rid.normalizedSignalStrength), 4719 le16_to_cpu(status_rid.signalQuality), 4720 le16_to_cpu(status_rid.SSIDlen), 4721 status_rid.SSID, 4722 status_rid.apName, 4723 le16_to_cpu(status_rid.channel), 4724 le16_to_cpu(status_rid.currentXmitRate) / 2, 4725 version, 4726 cap_rid.prodName, 4727 cap_rid.manName, 4728 cap_rid.prodVer, 4729 le16_to_cpu(cap_rid.radioType), 4730 le16_to_cpu(cap_rid.country), 4731 le16_to_cpu(cap_rid.hardVer), 4732 le16_to_cpu(cap_rid.softVer), 4733 le16_to_cpu(cap_rid.softSubVer), 4734 le16_to_cpu(cap_rid.bootBlockVer)); 4735 data->readlen = strlen(data->rbuffer); 4736 return 0; 4737 } 4738 4739 static int proc_stats_rid_open(struct inode*, struct file*, u16); 4740 static int proc_statsdelta_open(struct inode *inode, 4741 struct file *file) 4742 { 4743 if (file->f_mode&FMODE_WRITE) { 4744 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR); 4745 } 4746 return proc_stats_rid_open(inode, file, RID_STATSDELTA); 4747 } 4748 4749 static int proc_stats_open(struct inode *inode, struct file *file) 4750 { 4751 return proc_stats_rid_open(inode, file, RID_STATS); 4752 } 4753 4754 static int proc_stats_rid_open(struct inode *inode, 4755 struct file *file, 4756 u16 rid) 4757 { 4758 struct proc_data *data; 4759 struct net_device *dev = pde_data(inode); 4760 struct airo_info *apriv = dev->ml_priv; 4761 StatsRid stats; 4762 int i, j; 4763 __le32 *vals = stats.vals; 4764 int len; 4765 4766 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4767 return -ENOMEM; 4768 data = file->private_data; 4769 if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) { 4770 kfree (file->private_data); 4771 return -ENOMEM; 4772 } 4773 4774 readStatsRid(apriv, &stats, rid, 1); 4775 len = le16_to_cpu(stats.len); 4776 4777 j = 0; 4778 for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) { 4779 if (!statsLabels[i]) continue; 4780 if (j+strlen(statsLabels[i])+16>4096) { 4781 airo_print_warn(apriv->dev->name, 4782 "Potentially disastrous buffer overflow averted!"); 4783 break; 4784 } 4785 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], 4786 le32_to_cpu(vals[i])); 4787 } 4788 if (i*4 >= len) { 4789 airo_print_warn(apriv->dev->name, "Got a short rid"); 4790 } 4791 data->readlen = j; 4792 return 0; 4793 } 4794 4795 static int get_dec_u16(char *buffer, int *start, int limit) 4796 { 4797 u16 value; 4798 int valid = 0; 4799 for (value = 0; *start < limit && buffer[*start] >= '0' && 4800 buffer[*start] <= '9'; (*start)++) { 4801 valid = 1; 4802 value *= 10; 4803 value += buffer[*start] - '0'; 4804 } 4805 if (!valid) return -1; 4806 return value; 4807 } 4808 4809 static int airo_config_commit(struct net_device *dev, 4810 struct iw_request_info *info, void *zwrq, 4811 char *extra); 4812 4813 static inline int sniffing_mode(struct airo_info *ai) 4814 { 4815 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >= 4816 le16_to_cpu(RXMODE_RFMON); 4817 } 4818 4819 static void proc_config_on_close(struct inode *inode, struct file *file) 4820 { 4821 struct proc_data *data = file->private_data; 4822 struct net_device *dev = pde_data(inode); 4823 struct airo_info *ai = dev->ml_priv; 4824 char *line; 4825 4826 if (!data->writelen) return; 4827 4828 readConfigRid(ai, 1); 4829 set_bit (FLAG_COMMIT, &ai->flags); 4830 4831 line = data->wbuffer; 4832 while (line[0]) { 4833 /*** Mode processing */ 4834 if (!strncmp(line, "Mode: ", 6)) { 4835 line += 6; 4836 if (sniffing_mode(ai)) 4837 set_bit (FLAG_RESET, &ai->flags); 4838 ai->config.rmode &= ~RXMODE_FULL_MASK; 4839 clear_bit (FLAG_802_11, &ai->flags); 4840 ai->config.opmode &= ~MODE_CFG_MASK; 4841 ai->config.scanMode = SCANMODE_ACTIVE; 4842 if (line[0] == 'a') { 4843 ai->config.opmode |= MODE_STA_IBSS; 4844 } else { 4845 ai->config.opmode |= MODE_STA_ESS; 4846 if (line[0] == 'r') { 4847 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 4848 ai->config.scanMode = SCANMODE_PASSIVE; 4849 set_bit (FLAG_802_11, &ai->flags); 4850 } else if (line[0] == 'y') { 4851 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER; 4852 ai->config.scanMode = SCANMODE_PASSIVE; 4853 set_bit (FLAG_802_11, &ai->flags); 4854 } else if (line[0] == 'l') 4855 ai->config.rmode |= RXMODE_LANMON; 4856 } 4857 set_bit (FLAG_COMMIT, &ai->flags); 4858 } 4859 4860 /*** Radio status */ 4861 else if (!strncmp(line,"Radio: ", 7)) { 4862 line += 7; 4863 if (!strncmp(line,"off", 3)) { 4864 set_bit (FLAG_RADIO_OFF, &ai->flags); 4865 } else { 4866 clear_bit (FLAG_RADIO_OFF, &ai->flags); 4867 } 4868 } 4869 /*** NodeName processing */ 4870 else if (!strncmp(line, "NodeName: ", 10)) { 4871 int j; 4872 4873 line += 10; 4874 memset(ai->config.nodeName, 0, 16); 4875 /* Do the name, assume a space between the mode and node name */ 4876 for (j = 0; j < 16 && line[j] != '\n'; j++) { 4877 ai->config.nodeName[j] = line[j]; 4878 } 4879 set_bit (FLAG_COMMIT, &ai->flags); 4880 } 4881 4882 /*** PowerMode processing */ 4883 else if (!strncmp(line, "PowerMode: ", 11)) { 4884 line += 11; 4885 if (!strncmp(line, "PSPCAM", 6)) { 4886 ai->config.powerSaveMode = POWERSAVE_PSPCAM; 4887 set_bit (FLAG_COMMIT, &ai->flags); 4888 } else if (!strncmp(line, "PSP", 3)) { 4889 ai->config.powerSaveMode = POWERSAVE_PSP; 4890 set_bit (FLAG_COMMIT, &ai->flags); 4891 } else { 4892 ai->config.powerSaveMode = POWERSAVE_CAM; 4893 set_bit (FLAG_COMMIT, &ai->flags); 4894 } 4895 } else if (!strncmp(line, "DataRates: ", 11)) { 4896 int v, i = 0, k = 0; /* i is index into line, 4897 k is index to rates */ 4898 4899 line += 11; 4900 while ((v = get_dec_u16(line, &i, 3))!=-1) { 4901 ai->config.rates[k++] = (u8)v; 4902 line += i + 1; 4903 i = 0; 4904 } 4905 set_bit (FLAG_COMMIT, &ai->flags); 4906 } else if (!strncmp(line, "Channel: ", 9)) { 4907 int v, i = 0; 4908 line += 9; 4909 v = get_dec_u16(line, &i, i+3); 4910 if (v != -1) { 4911 ai->config.channelSet = cpu_to_le16(v); 4912 set_bit (FLAG_COMMIT, &ai->flags); 4913 } 4914 } else if (!strncmp(line, "XmitPower: ", 11)) { 4915 int v, i = 0; 4916 line += 11; 4917 v = get_dec_u16(line, &i, i+3); 4918 if (v != -1) { 4919 ai->config.txPower = cpu_to_le16(v); 4920 set_bit (FLAG_COMMIT, &ai->flags); 4921 } 4922 } else if (!strncmp(line, "WEP: ", 5)) { 4923 line += 5; 4924 switch(line[0]) { 4925 case 's': 4926 set_auth_type(ai, AUTH_SHAREDKEY); 4927 break; 4928 case 'e': 4929 set_auth_type(ai, AUTH_ENCRYPT); 4930 break; 4931 default: 4932 set_auth_type(ai, AUTH_OPEN); 4933 break; 4934 } 4935 set_bit (FLAG_COMMIT, &ai->flags); 4936 } else if (!strncmp(line, "LongRetryLimit: ", 16)) { 4937 int v, i = 0; 4938 4939 line += 16; 4940 v = get_dec_u16(line, &i, 3); 4941 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4942 ai->config.longRetryLimit = cpu_to_le16(v); 4943 set_bit (FLAG_COMMIT, &ai->flags); 4944 } else if (!strncmp(line, "ShortRetryLimit: ", 17)) { 4945 int v, i = 0; 4946 4947 line += 17; 4948 v = get_dec_u16(line, &i, 3); 4949 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4950 ai->config.shortRetryLimit = cpu_to_le16(v); 4951 set_bit (FLAG_COMMIT, &ai->flags); 4952 } else if (!strncmp(line, "RTSThreshold: ", 14)) { 4953 int v, i = 0; 4954 4955 line += 14; 4956 v = get_dec_u16(line, &i, 4); 4957 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4958 ai->config.rtsThres = cpu_to_le16(v); 4959 set_bit (FLAG_COMMIT, &ai->flags); 4960 } else if (!strncmp(line, "TXMSDULifetime: ", 16)) { 4961 int v, i = 0; 4962 4963 line += 16; 4964 v = get_dec_u16(line, &i, 5); 4965 v = (v<0) ? 0 : v; 4966 ai->config.txLifetime = cpu_to_le16(v); 4967 set_bit (FLAG_COMMIT, &ai->flags); 4968 } else if (!strncmp(line, "RXMSDULifetime: ", 16)) { 4969 int v, i = 0; 4970 4971 line += 16; 4972 v = get_dec_u16(line, &i, 5); 4973 v = (v<0) ? 0 : v; 4974 ai->config.rxLifetime = cpu_to_le16(v); 4975 set_bit (FLAG_COMMIT, &ai->flags); 4976 } else if (!strncmp(line, "TXDiversity: ", 13)) { 4977 ai->config.txDiversity = 4978 (line[13]=='l') ? 1 : 4979 ((line[13]=='r')? 2: 3); 4980 set_bit (FLAG_COMMIT, &ai->flags); 4981 } else if (!strncmp(line, "RXDiversity: ", 13)) { 4982 ai->config.rxDiversity = 4983 (line[13]=='l') ? 1 : 4984 ((line[13]=='r')? 2: 3); 4985 set_bit (FLAG_COMMIT, &ai->flags); 4986 } else if (!strncmp(line, "FragThreshold: ", 15)) { 4987 int v, i = 0; 4988 4989 line += 15; 4990 v = get_dec_u16(line, &i, 4); 4991 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4992 v = v & 0xfffe; /* Make sure its even */ 4993 ai->config.fragThresh = cpu_to_le16(v); 4994 set_bit (FLAG_COMMIT, &ai->flags); 4995 } else if (!strncmp(line, "Modulation: ", 12)) { 4996 line += 12; 4997 switch(*line) { 4998 case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break; 4999 case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break; 5000 case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break; 5001 default: airo_print_warn(ai->dev->name, "Unknown modulation"); 5002 } 5003 } else if (!strncmp(line, "Preamble: ", 10)) { 5004 line += 10; 5005 switch(*line) { 5006 case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break; 5007 case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break; 5008 case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break; 5009 default: airo_print_warn(ai->dev->name, "Unknown preamble"); 5010 } 5011 } else { 5012 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line); 5013 } 5014 while (line[0] && line[0] != '\n') line++; 5015 if (line[0]) line++; 5016 } 5017 airo_config_commit(dev, NULL, NULL, NULL); 5018 } 5019 5020 static const char *get_rmode(__le16 mode) 5021 { 5022 switch(mode & RXMODE_MASK) { 5023 case RXMODE_RFMON: return "rfmon"; 5024 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon"; 5025 case RXMODE_LANMON: return "lanmon"; 5026 } 5027 return "ESS"; 5028 } 5029 5030 static int proc_config_open(struct inode *inode, struct file *file) 5031 { 5032 struct proc_data *data; 5033 struct net_device *dev = pde_data(inode); 5034 struct airo_info *ai = dev->ml_priv; 5035 int i; 5036 __le16 mode; 5037 5038 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5039 return -ENOMEM; 5040 data = file->private_data; 5041 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 5042 kfree (file->private_data); 5043 return -ENOMEM; 5044 } 5045 if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) { 5046 kfree (data->rbuffer); 5047 kfree (file->private_data); 5048 return -ENOMEM; 5049 } 5050 data->maxwritelen = 2048; 5051 data->on_close = proc_config_on_close; 5052 5053 readConfigRid(ai, 1); 5054 5055 mode = ai->config.opmode & MODE_CFG_MASK; 5056 i = sprintf(data->rbuffer, 5057 "Mode: %s\n" 5058 "Radio: %s\n" 5059 "NodeName: %-16s\n" 5060 "PowerMode: %s\n" 5061 "DataRates: %d %d %d %d %d %d %d %d\n" 5062 "Channel: %d\n" 5063 "XmitPower: %d\n", 5064 mode == MODE_STA_IBSS ? "adhoc" : 5065 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode): 5066 mode == MODE_AP ? "AP" : 5067 mode == MODE_AP_RPTR ? "AP RPTR" : "Error", 5068 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on", 5069 ai->config.nodeName, 5070 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" : 5071 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" : 5072 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" : 5073 "Error", 5074 (int)ai->config.rates[0], 5075 (int)ai->config.rates[1], 5076 (int)ai->config.rates[2], 5077 (int)ai->config.rates[3], 5078 (int)ai->config.rates[4], 5079 (int)ai->config.rates[5], 5080 (int)ai->config.rates[6], 5081 (int)ai->config.rates[7], 5082 le16_to_cpu(ai->config.channelSet), 5083 le16_to_cpu(ai->config.txPower) 5084 ); 5085 sprintf(data->rbuffer + i, 5086 "LongRetryLimit: %d\n" 5087 "ShortRetryLimit: %d\n" 5088 "RTSThreshold: %d\n" 5089 "TXMSDULifetime: %d\n" 5090 "RXMSDULifetime: %d\n" 5091 "TXDiversity: %s\n" 5092 "RXDiversity: %s\n" 5093 "FragThreshold: %d\n" 5094 "WEP: %s\n" 5095 "Modulation: %s\n" 5096 "Preamble: %s\n", 5097 le16_to_cpu(ai->config.longRetryLimit), 5098 le16_to_cpu(ai->config.shortRetryLimit), 5099 le16_to_cpu(ai->config.rtsThres), 5100 le16_to_cpu(ai->config.txLifetime), 5101 le16_to_cpu(ai->config.rxLifetime), 5102 ai->config.txDiversity == 1 ? "left" : 5103 ai->config.txDiversity == 2 ? "right" : "both", 5104 ai->config.rxDiversity == 1 ? "left" : 5105 ai->config.rxDiversity == 2 ? "right" : "both", 5106 le16_to_cpu(ai->config.fragThresh), 5107 ai->config.authType == AUTH_ENCRYPT ? "encrypt" : 5108 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open", 5109 ai->config.modulation == MOD_DEFAULT ? "default" : 5110 ai->config.modulation == MOD_CCK ? "cck" : 5111 ai->config.modulation == MOD_MOK ? "mok" : "error", 5112 ai->config.preamble == PREAMBLE_AUTO ? "auto" : 5113 ai->config.preamble == PREAMBLE_LONG ? "long" : 5114 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error" 5115 ); 5116 data->readlen = strlen(data->rbuffer); 5117 return 0; 5118 } 5119 5120 static void proc_SSID_on_close(struct inode *inode, struct file *file) 5121 { 5122 struct proc_data *data = file->private_data; 5123 struct net_device *dev = pde_data(inode); 5124 struct airo_info *ai = dev->ml_priv; 5125 SsidRid SSID_rid; 5126 int i; 5127 char *p = data->wbuffer; 5128 char *end = p + data->writelen; 5129 5130 if (!data->writelen) 5131 return; 5132 5133 *end = '\n'; /* sentinel; we have space for it */ 5134 5135 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5136 5137 for (i = 0; i < 3 && p < end; i++) { 5138 int j = 0; 5139 /* copy up to 32 characters from this line */ 5140 while (*p != '\n' && j < 32) 5141 SSID_rid.ssids[i].ssid[j++] = *p++; 5142 if (j == 0) 5143 break; 5144 SSID_rid.ssids[i].len = cpu_to_le16(j); 5145 /* skip to the beginning of the next line */ 5146 while (*p++ != '\n') 5147 ; 5148 } 5149 if (i) 5150 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5151 disable_MAC(ai, 1); 5152 writeSsidRid(ai, &SSID_rid, 1); 5153 enable_MAC(ai, 1); 5154 } 5155 5156 static void proc_APList_on_close(struct inode *inode, struct file *file) 5157 { 5158 struct proc_data *data = file->private_data; 5159 struct net_device *dev = pde_data(inode); 5160 struct airo_info *ai = dev->ml_priv; 5161 APListRid *APList_rid = &ai->APList; 5162 int i; 5163 5164 if (!data->writelen) return; 5165 5166 memset(APList_rid, 0, sizeof(*APList_rid)); 5167 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5168 5169 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++) 5170 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]); 5171 5172 disable_MAC(ai, 1); 5173 writeAPListRid(ai, APList_rid, 1); 5174 enable_MAC(ai, 1); 5175 } 5176 5177 /* This function wraps PC4500_writerid with a MAC disable */ 5178 static int do_writerid(struct airo_info *ai, u16 rid, const void *rid_data, 5179 int len, int dummy) 5180 { 5181 int rc; 5182 5183 disable_MAC(ai, 1); 5184 rc = PC4500_writerid(ai, rid, rid_data, len, 1); 5185 enable_MAC(ai, 1); 5186 return rc; 5187 } 5188 5189 /* Returns the WEP key at the specified index, or -1 if that key does 5190 * not exist. The buffer is assumed to be at least 16 bytes in length. 5191 */ 5192 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen) 5193 { 5194 WepKeyRid wkr; 5195 int rc; 5196 __le16 lastindex; 5197 5198 rc = readWepKeyRid(ai, &wkr, 1, 1); 5199 if (rc != SUCCESS) 5200 return -1; 5201 do { 5202 lastindex = wkr.kindex; 5203 if (le16_to_cpu(wkr.kindex) == index) { 5204 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen)); 5205 memcpy(buf, wkr.key, klen); 5206 return klen; 5207 } 5208 rc = readWepKeyRid(ai, &wkr, 0, 1); 5209 if (rc != SUCCESS) 5210 return -1; 5211 } while (lastindex != wkr.kindex); 5212 return -1; 5213 } 5214 5215 static int get_wep_tx_idx(struct airo_info *ai) 5216 { 5217 WepKeyRid wkr; 5218 int rc; 5219 __le16 lastindex; 5220 5221 rc = readWepKeyRid(ai, &wkr, 1, 1); 5222 if (rc != SUCCESS) 5223 return -1; 5224 do { 5225 lastindex = wkr.kindex; 5226 if (wkr.kindex == cpu_to_le16(0xffff)) 5227 return wkr.mac[0]; 5228 rc = readWepKeyRid(ai, &wkr, 0, 1); 5229 if (rc != SUCCESS) 5230 return -1; 5231 } while (lastindex != wkr.kindex); 5232 return -1; 5233 } 5234 5235 static int set_wep_key(struct airo_info *ai, u16 index, const u8 *key, 5236 u16 keylen, int perm, int lock) 5237 { 5238 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; 5239 WepKeyRid wkr; 5240 int rc; 5241 5242 if (WARN_ON(keylen == 0)) 5243 return -1; 5244 5245 memset(&wkr, 0, sizeof(wkr)); 5246 wkr.len = cpu_to_le16(sizeof(wkr)); 5247 wkr.kindex = cpu_to_le16(index); 5248 wkr.klen = cpu_to_le16(keylen); 5249 memcpy(wkr.key, key, keylen); 5250 memcpy(wkr.mac, macaddr, ETH_ALEN); 5251 5252 if (perm) disable_MAC(ai, lock); 5253 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5254 if (perm) enable_MAC(ai, lock); 5255 return rc; 5256 } 5257 5258 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock) 5259 { 5260 WepKeyRid wkr; 5261 int rc; 5262 5263 memset(&wkr, 0, sizeof(wkr)); 5264 wkr.len = cpu_to_le16(sizeof(wkr)); 5265 wkr.kindex = cpu_to_le16(0xffff); 5266 wkr.mac[0] = (char)index; 5267 5268 if (perm) { 5269 ai->defindex = (char)index; 5270 disable_MAC(ai, lock); 5271 } 5272 5273 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5274 5275 if (perm) 5276 enable_MAC(ai, lock); 5277 return rc; 5278 } 5279 5280 static void proc_wepkey_on_close(struct inode *inode, struct file *file) 5281 { 5282 struct proc_data *data; 5283 struct net_device *dev = pde_data(inode); 5284 struct airo_info *ai = dev->ml_priv; 5285 int i, rc; 5286 u8 key[16]; 5287 u16 index = 0; 5288 int j = 0; 5289 5290 memset(key, 0, sizeof(key)); 5291 5292 data = file->private_data; 5293 if (!data->writelen) return; 5294 5295 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' && 5296 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) { 5297 index = data->wbuffer[0] - '0'; 5298 if (data->wbuffer[1] == '\n') { 5299 rc = set_wep_tx_idx(ai, index, 1, 1); 5300 if (rc < 0) { 5301 airo_print_err(ai->dev->name, "failed to set " 5302 "WEP transmit index to %d: %d.", 5303 index, rc); 5304 } 5305 return; 5306 } 5307 j = 2; 5308 } else { 5309 airo_print_err(ai->dev->name, "WepKey passed invalid key index"); 5310 return; 5311 } 5312 5313 for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) { 5314 int val; 5315 5316 if (i % 3 == 2) 5317 continue; 5318 5319 val = hex_to_bin(data->wbuffer[i+j]); 5320 if (val < 0) { 5321 airo_print_err(ai->dev->name, "WebKey passed invalid key hex"); 5322 return; 5323 } 5324 switch(i%3) { 5325 case 0: 5326 key[i/3] = (u8)val << 4; 5327 break; 5328 case 1: 5329 key[i/3] |= (u8)val; 5330 break; 5331 } 5332 } 5333 5334 rc = set_wep_key(ai, index, key, i/3, 1, 1); 5335 if (rc < 0) { 5336 airo_print_err(ai->dev->name, "failed to set WEP key at index " 5337 "%d: %d.", index, rc); 5338 } 5339 } 5340 5341 static int proc_wepkey_open(struct inode *inode, struct file *file) 5342 { 5343 struct proc_data *data; 5344 struct net_device *dev = pde_data(inode); 5345 struct airo_info *ai = dev->ml_priv; 5346 char *ptr; 5347 WepKeyRid wkr; 5348 __le16 lastindex; 5349 int j = 0; 5350 int rc; 5351 5352 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5353 return -ENOMEM; 5354 memset(&wkr, 0, sizeof(wkr)); 5355 data = file->private_data; 5356 if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) { 5357 kfree (file->private_data); 5358 return -ENOMEM; 5359 } 5360 data->writelen = 0; 5361 data->maxwritelen = 80; 5362 if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) { 5363 kfree (data->rbuffer); 5364 kfree (file->private_data); 5365 return -ENOMEM; 5366 } 5367 data->on_close = proc_wepkey_on_close; 5368 5369 ptr = data->rbuffer; 5370 strcpy(ptr, "No wep keys\n"); 5371 rc = readWepKeyRid(ai, &wkr, 1, 1); 5372 if (rc == SUCCESS) do { 5373 lastindex = wkr.kindex; 5374 if (wkr.kindex == cpu_to_le16(0xffff)) { 5375 j += sprintf(ptr+j, "Tx key = %d\n", 5376 (int)wkr.mac[0]); 5377 } else { 5378 j += sprintf(ptr+j, "Key %d set with length = %d\n", 5379 le16_to_cpu(wkr.kindex), 5380 le16_to_cpu(wkr.klen)); 5381 } 5382 readWepKeyRid(ai, &wkr, 0, 1); 5383 } while ((lastindex != wkr.kindex) && (j < 180-30)); 5384 5385 data->readlen = strlen(data->rbuffer); 5386 return 0; 5387 } 5388 5389 static int proc_SSID_open(struct inode *inode, struct file *file) 5390 { 5391 struct proc_data *data; 5392 struct net_device *dev = pde_data(inode); 5393 struct airo_info *ai = dev->ml_priv; 5394 int i; 5395 char *ptr; 5396 SsidRid SSID_rid; 5397 5398 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5399 return -ENOMEM; 5400 data = file->private_data; 5401 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5402 kfree (file->private_data); 5403 return -ENOMEM; 5404 } 5405 data->writelen = 0; 5406 data->maxwritelen = 33*3; 5407 /* allocate maxwritelen + 1; we'll want a sentinel */ 5408 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) { 5409 kfree (data->rbuffer); 5410 kfree (file->private_data); 5411 return -ENOMEM; 5412 } 5413 data->on_close = proc_SSID_on_close; 5414 5415 readSsidRid(ai, &SSID_rid); 5416 ptr = data->rbuffer; 5417 for (i = 0; i < 3; i++) { 5418 int j; 5419 size_t len = le16_to_cpu(SSID_rid.ssids[i].len); 5420 if (!len) 5421 break; 5422 if (len > 32) 5423 len = 32; 5424 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++) 5425 *ptr++ = SSID_rid.ssids[i].ssid[j]; 5426 *ptr++ = '\n'; 5427 } 5428 *ptr = '\0'; 5429 data->readlen = strlen(data->rbuffer); 5430 return 0; 5431 } 5432 5433 static int proc_APList_open(struct inode *inode, struct file *file) 5434 { 5435 struct proc_data *data; 5436 struct net_device *dev = pde_data(inode); 5437 struct airo_info *ai = dev->ml_priv; 5438 int i; 5439 char *ptr; 5440 APListRid *APList_rid = &ai->APList; 5441 5442 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5443 return -ENOMEM; 5444 data = file->private_data; 5445 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5446 kfree (file->private_data); 5447 return -ENOMEM; 5448 } 5449 data->writelen = 0; 5450 data->maxwritelen = 4*6*3; 5451 if ((data->wbuffer = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) { 5452 kfree (data->rbuffer); 5453 kfree (file->private_data); 5454 return -ENOMEM; 5455 } 5456 data->on_close = proc_APList_on_close; 5457 5458 ptr = data->rbuffer; 5459 for (i = 0; i < 4; i++) { 5460 // We end when we find a zero MAC 5461 if (!*(int*)APList_rid->ap[i] && 5462 !*(int*)&APList_rid->ap[i][2]) break; 5463 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]); 5464 } 5465 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n"); 5466 5467 *ptr = '\0'; 5468 data->readlen = strlen(data->rbuffer); 5469 return 0; 5470 } 5471 5472 static int proc_BSSList_open(struct inode *inode, struct file *file) 5473 { 5474 struct proc_data *data; 5475 struct net_device *dev = pde_data(inode); 5476 struct airo_info *ai = dev->ml_priv; 5477 char *ptr; 5478 BSSListRid BSSList_rid; 5479 int rc; 5480 /* If doLoseSync is not 1, we won't do a Lose Sync */ 5481 int doLoseSync = -1; 5482 5483 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5484 return -ENOMEM; 5485 data = file->private_data; 5486 if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) { 5487 kfree (file->private_data); 5488 return -ENOMEM; 5489 } 5490 data->writelen = 0; 5491 data->maxwritelen = 0; 5492 data->wbuffer = NULL; 5493 data->on_close = NULL; 5494 5495 if (file->f_mode & FMODE_WRITE) { 5496 if (!(file->f_mode & FMODE_READ)) { 5497 Cmd cmd; 5498 Resp rsp; 5499 5500 if (ai->flags & FLAG_RADIO_MASK) { 5501 kfree(data->rbuffer); 5502 kfree(file->private_data); 5503 return -ENETDOWN; 5504 } 5505 memset(&cmd, 0, sizeof(cmd)); 5506 cmd.cmd = CMD_LISTBSS; 5507 if (down_interruptible(&ai->sem)) { 5508 kfree(data->rbuffer); 5509 kfree(file->private_data); 5510 return -ERESTARTSYS; 5511 } 5512 issuecommand(ai, &cmd, &rsp, true); 5513 up(&ai->sem); 5514 data->readlen = 0; 5515 return 0; 5516 } 5517 doLoseSync = 1; 5518 } 5519 ptr = data->rbuffer; 5520 /* There is a race condition here if there are concurrent opens. 5521 Since it is a rare condition, we'll just live with it, otherwise 5522 we have to add a spin lock... */ 5523 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid); 5524 while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) { 5525 ptr += sprintf(ptr, "%pM %.*s rssi = %d", 5526 BSSList_rid.bssid, 5527 (int)BSSList_rid.ssidLen, 5528 BSSList_rid.ssid, 5529 le16_to_cpu(BSSList_rid.dBm)); 5530 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n", 5531 le16_to_cpu(BSSList_rid.dsChannel), 5532 BSSList_rid.cap & CAP_ESS ? "ESS" : "", 5533 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "", 5534 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "", 5535 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : ""); 5536 rc = readBSSListRid(ai, 0, &BSSList_rid); 5537 } 5538 *ptr = '\0'; 5539 data->readlen = strlen(data->rbuffer); 5540 return 0; 5541 } 5542 5543 static int proc_close(struct inode *inode, struct file *file) 5544 { 5545 struct proc_data *data = file->private_data; 5546 5547 if (data->on_close != NULL) 5548 data->on_close(inode, file); 5549 kfree(data->rbuffer); 5550 kfree(data->wbuffer); 5551 kfree(data); 5552 return 0; 5553 } 5554 5555 /* Since the card doesn't automatically switch to the right WEP mode, 5556 we will make it do it. If the card isn't associated, every secs we 5557 will switch WEP modes to see if that will help. If the card is 5558 associated we will check every minute to see if anything has 5559 changed. */ 5560 static void timer_func(struct net_device *dev) 5561 { 5562 struct airo_info *apriv = dev->ml_priv; 5563 5564 /* We don't have a link so try changing the authtype */ 5565 readConfigRid(apriv, 0); 5566 disable_MAC(apriv, 0); 5567 switch(apriv->config.authType) { 5568 case AUTH_ENCRYPT: 5569 /* So drop to OPEN */ 5570 apriv->config.authType = AUTH_OPEN; 5571 break; 5572 case AUTH_SHAREDKEY: 5573 if (apriv->keyindex < auto_wep) { 5574 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0); 5575 apriv->config.authType = AUTH_SHAREDKEY; 5576 apriv->keyindex++; 5577 } else { 5578 /* Drop to ENCRYPT */ 5579 apriv->keyindex = 0; 5580 set_wep_tx_idx(apriv, apriv->defindex, 0, 0); 5581 apriv->config.authType = AUTH_ENCRYPT; 5582 } 5583 break; 5584 default: /* We'll escalate to SHAREDKEY */ 5585 apriv->config.authType = AUTH_SHAREDKEY; 5586 } 5587 set_bit (FLAG_COMMIT, &apriv->flags); 5588 writeConfigRid(apriv, 0); 5589 enable_MAC(apriv, 0); 5590 up(&apriv->sem); 5591 5592 /* Schedule check to see if the change worked */ 5593 clear_bit(JOB_AUTOWEP, &apriv->jobs); 5594 apriv->expires = RUN_AT(HZ*3); 5595 } 5596 5597 #ifdef CONFIG_PCI 5598 static int airo_pci_probe(struct pci_dev *pdev, 5599 const struct pci_device_id *pent) 5600 { 5601 struct net_device *dev; 5602 5603 if (pci_enable_device(pdev)) 5604 return -ENODEV; 5605 pci_set_master(pdev); 5606 5607 if (pdev->device == 0x5000 || pdev->device == 0xa504) 5608 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); 5609 else 5610 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); 5611 if (!dev) { 5612 pci_disable_device(pdev); 5613 return -ENODEV; 5614 } 5615 5616 pci_set_drvdata(pdev, dev); 5617 return 0; 5618 } 5619 5620 static void airo_pci_remove(struct pci_dev *pdev) 5621 { 5622 struct net_device *dev = pci_get_drvdata(pdev); 5623 5624 airo_print_info(dev->name, "Unregistering..."); 5625 stop_airo_card(dev, 1); 5626 pci_disable_device(pdev); 5627 } 5628 5629 static int __maybe_unused airo_pci_suspend(struct device *dev_d) 5630 { 5631 struct net_device *dev = dev_get_drvdata(dev_d); 5632 struct airo_info *ai = dev->ml_priv; 5633 Cmd cmd; 5634 Resp rsp; 5635 5636 if (!ai->SSID) 5637 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL); 5638 if (!ai->SSID) 5639 return -ENOMEM; 5640 readSsidRid(ai, ai->SSID); 5641 memset(&cmd, 0, sizeof(cmd)); 5642 /* the lock will be released at the end of the resume callback */ 5643 if (down_interruptible(&ai->sem)) 5644 return -EAGAIN; 5645 disable_MAC(ai, 0); 5646 netif_device_detach(dev); 5647 ai->power = PMSG_SUSPEND; 5648 cmd.cmd = HOSTSLEEP; 5649 issuecommand(ai, &cmd, &rsp, true); 5650 5651 device_wakeup_enable(dev_d); 5652 return 0; 5653 } 5654 5655 static int __maybe_unused airo_pci_resume(struct device *dev_d) 5656 { 5657 struct net_device *dev = dev_get_drvdata(dev_d); 5658 struct airo_info *ai = dev->ml_priv; 5659 pci_power_t prev_state = to_pci_dev(dev_d)->current_state; 5660 5661 device_wakeup_disable(dev_d); 5662 5663 if (prev_state != PCI_D1) { 5664 reset_card(dev, 0); 5665 mpi_init_descriptors(ai); 5666 setup_card(ai, dev, 0); 5667 clear_bit(FLAG_RADIO_OFF, &ai->flags); 5668 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 5669 } else { 5670 OUT4500(ai, EVACK, EV_AWAKEN); 5671 OUT4500(ai, EVACK, EV_AWAKEN); 5672 msleep(100); 5673 } 5674 5675 set_bit(FLAG_COMMIT, &ai->flags); 5676 disable_MAC(ai, 0); 5677 msleep(200); 5678 if (ai->SSID) { 5679 writeSsidRid(ai, ai->SSID, 0); 5680 kfree(ai->SSID); 5681 ai->SSID = NULL; 5682 } 5683 writeAPListRid(ai, &ai->APList, 0); 5684 writeConfigRid(ai, 0); 5685 enable_MAC(ai, 0); 5686 ai->power = PMSG_ON; 5687 netif_device_attach(dev); 5688 netif_wake_queue(dev); 5689 enable_interrupts(ai); 5690 up(&ai->sem); 5691 return 0; 5692 } 5693 #endif 5694 5695 static int __init airo_init_module(void) 5696 { 5697 int i; 5698 5699 proc_kuid = make_kuid(&init_user_ns, proc_uid); 5700 proc_kgid = make_kgid(&init_user_ns, proc_gid); 5701 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid)) 5702 return -EINVAL; 5703 5704 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL); 5705 5706 if (airo_entry) 5707 proc_set_user(airo_entry, proc_kuid, proc_kgid); 5708 5709 for (i = 0; i < 4 && io[i] && irq[i]; i++) { 5710 airo_print_info("", "Trying to configure ISA adapter at irq=%d " 5711 "io = 0x%x", irq[i], io[i]); 5712 if (init_airo_card(irq[i], io[i], 0, NULL)) { 5713 /* do nothing */ ; 5714 } 5715 } 5716 5717 #ifdef CONFIG_PCI 5718 airo_print_info("", "Probing for PCI adapters"); 5719 i = pci_register_driver(&airo_driver); 5720 airo_print_info("", "Finished probing for PCI adapters"); 5721 5722 if (i) { 5723 remove_proc_entry("driver/aironet", NULL); 5724 return i; 5725 } 5726 #endif 5727 5728 /* Always exit with success, as we are a library module 5729 * as well as a driver module 5730 */ 5731 return 0; 5732 } 5733 5734 static void __exit airo_cleanup_module(void) 5735 { 5736 struct airo_info *ai; 5737 while (!list_empty(&airo_devices)) { 5738 ai = list_entry(airo_devices.next, struct airo_info, dev_list); 5739 airo_print_info(ai->dev->name, "Unregistering..."); 5740 stop_airo_card(ai->dev, 1); 5741 } 5742 #ifdef CONFIG_PCI 5743 pci_unregister_driver(&airo_driver); 5744 #endif 5745 remove_proc_entry("driver/aironet", NULL); 5746 } 5747 5748 /* 5749 * Initial Wireless Extension code for Aironet driver by : 5750 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00 5751 * Conversion to new driver API by : 5752 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02 5753 * Javier also did a good amount of work here, adding some new extensions 5754 * and fixing my code. Let's just say that without him this code just 5755 * would not work at all... - Jean II 5756 */ 5757 5758 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi) 5759 { 5760 if (!rssi_rid) 5761 return 0; 5762 5763 return (0x100 - rssi_rid[rssi].rssidBm); 5764 } 5765 5766 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm) 5767 { 5768 int i; 5769 5770 if (!rssi_rid) 5771 return 0; 5772 5773 for (i = 0; i < 256; i++) 5774 if (rssi_rid[i].rssidBm == dbm) 5775 return rssi_rid[i].rssipct; 5776 5777 return 0; 5778 } 5779 5780 5781 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid) 5782 { 5783 int quality = 0; 5784 u16 sq; 5785 5786 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f)) 5787 return 0; 5788 5789 if (!(cap_rid->hardCap & cpu_to_le16(8))) 5790 return 0; 5791 5792 sq = le16_to_cpu(status_rid->signalQuality); 5793 if (memcmp(cap_rid->prodName, "350", 3)) 5794 if (sq > 0x20) 5795 quality = 0; 5796 else 5797 quality = 0x20 - sq; 5798 else 5799 if (sq > 0xb0) 5800 quality = 0; 5801 else if (sq < 0x10) 5802 quality = 0xa0; 5803 else 5804 quality = 0xb0 - sq; 5805 return quality; 5806 } 5807 5808 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0) 5809 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50) 5810 5811 /*------------------------------------------------------------------*/ 5812 /* 5813 * Wireless Handler : get protocol name 5814 */ 5815 static int airo_get_name(struct net_device *dev, 5816 struct iw_request_info *info, 5817 char *cwrq, 5818 char *extra) 5819 { 5820 strcpy(cwrq, "IEEE 802.11-DS"); 5821 return 0; 5822 } 5823 5824 /*------------------------------------------------------------------*/ 5825 /* 5826 * Wireless Handler : set frequency 5827 */ 5828 static int airo_set_freq(struct net_device *dev, 5829 struct iw_request_info *info, 5830 struct iw_freq *fwrq, 5831 char *extra) 5832 { 5833 struct airo_info *local = dev->ml_priv; 5834 int rc = -EINPROGRESS; /* Call commit handler */ 5835 5836 /* If setting by frequency, convert to a channel */ 5837 if (fwrq->e == 1) { 5838 int f = fwrq->m / 100000; 5839 5840 /* Hack to fall through... */ 5841 fwrq->e = 0; 5842 fwrq->m = ieee80211_frequency_to_channel(f); 5843 } 5844 /* Setting by channel number */ 5845 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0) 5846 rc = -EOPNOTSUPP; 5847 else { 5848 int channel = fwrq->m; 5849 /* We should do a better check than that, 5850 * based on the card capability !!! */ 5851 if ((channel < 1) || (channel > 14)) { 5852 airo_print_dbg(dev->name, "New channel value of %d is invalid!", 5853 fwrq->m); 5854 rc = -EINVAL; 5855 } else { 5856 readConfigRid(local, 1); 5857 /* Yes ! We can set it !!! */ 5858 local->config.channelSet = cpu_to_le16(channel); 5859 set_bit (FLAG_COMMIT, &local->flags); 5860 } 5861 } 5862 return rc; 5863 } 5864 5865 /*------------------------------------------------------------------*/ 5866 /* 5867 * Wireless Handler : get frequency 5868 */ 5869 static int airo_get_freq(struct net_device *dev, 5870 struct iw_request_info *info, 5871 struct iw_freq *fwrq, 5872 char *extra) 5873 { 5874 struct airo_info *local = dev->ml_priv; 5875 StatusRid status_rid; /* Card status info */ 5876 int ch; 5877 5878 readConfigRid(local, 1); 5879 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS) 5880 status_rid.channel = local->config.channelSet; 5881 else 5882 readStatusRid(local, &status_rid, 1); 5883 5884 ch = le16_to_cpu(status_rid.channel); 5885 if ((ch > 0) && (ch < 15)) { 5886 fwrq->m = 100000 * 5887 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ); 5888 fwrq->e = 1; 5889 } else { 5890 fwrq->m = ch; 5891 fwrq->e = 0; 5892 } 5893 5894 return 0; 5895 } 5896 5897 /*------------------------------------------------------------------*/ 5898 /* 5899 * Wireless Handler : set ESSID 5900 */ 5901 static int airo_set_essid(struct net_device *dev, 5902 struct iw_request_info *info, 5903 struct iw_point *dwrq, 5904 char *extra) 5905 { 5906 struct airo_info *local = dev->ml_priv; 5907 SsidRid SSID_rid; /* SSIDs */ 5908 5909 /* Reload the list of current SSID */ 5910 readSsidRid(local, &SSID_rid); 5911 5912 /* Check if we asked for `any' */ 5913 if (dwrq->flags == 0) { 5914 /* Just send an empty SSID list */ 5915 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5916 } else { 5917 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 5918 5919 /* Check the size of the string */ 5920 if (dwrq->length > IW_ESSID_MAX_SIZE) 5921 return -E2BIG ; 5922 5923 /* Check if index is valid */ 5924 if (index >= ARRAY_SIZE(SSID_rid.ssids)) 5925 return -EINVAL; 5926 5927 /* Set the SSID */ 5928 memset(SSID_rid.ssids[index].ssid, 0, 5929 sizeof(SSID_rid.ssids[index].ssid)); 5930 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length); 5931 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length); 5932 } 5933 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5934 /* Write it to the card */ 5935 disable_MAC(local, 1); 5936 writeSsidRid(local, &SSID_rid, 1); 5937 enable_MAC(local, 1); 5938 5939 return 0; 5940 } 5941 5942 /*------------------------------------------------------------------*/ 5943 /* 5944 * Wireless Handler : get ESSID 5945 */ 5946 static int airo_get_essid(struct net_device *dev, 5947 struct iw_request_info *info, 5948 struct iw_point *dwrq, 5949 char *extra) 5950 { 5951 struct airo_info *local = dev->ml_priv; 5952 StatusRid status_rid; /* Card status info */ 5953 5954 readStatusRid(local, &status_rid, 1); 5955 5956 /* Note : if dwrq->flags != 0, we should 5957 * get the relevant SSID from the SSID list... */ 5958 5959 /* Get the current SSID */ 5960 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen)); 5961 /* If none, we may want to get the one that was set */ 5962 5963 /* Push it out ! */ 5964 dwrq->length = le16_to_cpu(status_rid.SSIDlen); 5965 dwrq->flags = 1; /* active */ 5966 5967 return 0; 5968 } 5969 5970 /*------------------------------------------------------------------*/ 5971 /* 5972 * Wireless Handler : set AP address 5973 */ 5974 static int airo_set_wap(struct net_device *dev, 5975 struct iw_request_info *info, 5976 struct sockaddr *awrq, 5977 char *extra) 5978 { 5979 struct airo_info *local = dev->ml_priv; 5980 Cmd cmd; 5981 Resp rsp; 5982 APListRid *APList_rid = &local->APList; 5983 5984 if (awrq->sa_family != ARPHRD_ETHER) 5985 return -EINVAL; 5986 else if (is_broadcast_ether_addr(awrq->sa_data) || 5987 is_zero_ether_addr(awrq->sa_data)) { 5988 memset(&cmd, 0, sizeof(cmd)); 5989 cmd.cmd = CMD_LOSE_SYNC; 5990 if (down_interruptible(&local->sem)) 5991 return -ERESTARTSYS; 5992 issuecommand(local, &cmd, &rsp, true); 5993 up(&local->sem); 5994 } else { 5995 memset(APList_rid, 0, sizeof(*APList_rid)); 5996 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5997 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN); 5998 disable_MAC(local, 1); 5999 writeAPListRid(local, APList_rid, 1); 6000 enable_MAC(local, 1); 6001 } 6002 return 0; 6003 } 6004 6005 /*------------------------------------------------------------------*/ 6006 /* 6007 * Wireless Handler : get AP address 6008 */ 6009 static int airo_get_wap(struct net_device *dev, 6010 struct iw_request_info *info, 6011 struct sockaddr *awrq, 6012 char *extra) 6013 { 6014 struct airo_info *local = dev->ml_priv; 6015 StatusRid status_rid; /* Card status info */ 6016 6017 readStatusRid(local, &status_rid, 1); 6018 6019 /* Tentative. This seems to work, wow, I'm lucky !!! */ 6020 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN); 6021 awrq->sa_family = ARPHRD_ETHER; 6022 6023 return 0; 6024 } 6025 6026 /*------------------------------------------------------------------*/ 6027 /* 6028 * Wireless Handler : set Nickname 6029 */ 6030 static int airo_set_nick(struct net_device *dev, 6031 struct iw_request_info *info, 6032 struct iw_point *dwrq, 6033 char *extra) 6034 { 6035 struct airo_info *local = dev->ml_priv; 6036 6037 /* Check the size of the string */ 6038 if (dwrq->length > 16) { 6039 return -E2BIG; 6040 } 6041 readConfigRid(local, 1); 6042 memset(local->config.nodeName, 0, sizeof(local->config.nodeName)); 6043 memcpy(local->config.nodeName, extra, dwrq->length); 6044 set_bit (FLAG_COMMIT, &local->flags); 6045 6046 return -EINPROGRESS; /* Call commit handler */ 6047 } 6048 6049 /*------------------------------------------------------------------*/ 6050 /* 6051 * Wireless Handler : get Nickname 6052 */ 6053 static int airo_get_nick(struct net_device *dev, 6054 struct iw_request_info *info, 6055 struct iw_point *dwrq, 6056 char *extra) 6057 { 6058 struct airo_info *local = dev->ml_priv; 6059 6060 readConfigRid(local, 1); 6061 strncpy(extra, local->config.nodeName, 16); 6062 extra[16] = '\0'; 6063 dwrq->length = strlen(extra); 6064 6065 return 0; 6066 } 6067 6068 /*------------------------------------------------------------------*/ 6069 /* 6070 * Wireless Handler : set Bit-Rate 6071 */ 6072 static int airo_set_rate(struct net_device *dev, 6073 struct iw_request_info *info, 6074 struct iw_param *vwrq, 6075 char *extra) 6076 { 6077 struct airo_info *local = dev->ml_priv; 6078 CapabilityRid cap_rid; /* Card capability info */ 6079 u8 brate = 0; 6080 int i; 6081 6082 /* First : get a valid bit rate value */ 6083 readCapabilityRid(local, &cap_rid, 1); 6084 6085 /* Which type of value ? */ 6086 if ((vwrq->value < 8) && (vwrq->value >= 0)) { 6087 /* Setting by rate index */ 6088 /* Find value in the magic rate table */ 6089 brate = cap_rid.supportedRates[vwrq->value]; 6090 } else { 6091 /* Setting by frequency value */ 6092 u8 normvalue = (u8) (vwrq->value/500000); 6093 6094 /* Check if rate is valid */ 6095 for (i = 0 ; i < 8 ; i++) { 6096 if (normvalue == cap_rid.supportedRates[i]) { 6097 brate = normvalue; 6098 break; 6099 } 6100 } 6101 } 6102 /* -1 designed the max rate (mostly auto mode) */ 6103 if (vwrq->value == -1) { 6104 /* Get the highest available rate */ 6105 for (i = 0 ; i < 8 ; i++) { 6106 if (cap_rid.supportedRates[i] == 0) 6107 break; 6108 } 6109 if (i != 0) 6110 brate = cap_rid.supportedRates[i - 1]; 6111 } 6112 /* Check that it is valid */ 6113 if (brate == 0) { 6114 return -EINVAL; 6115 } 6116 6117 readConfigRid(local, 1); 6118 /* Now, check if we want a fixed or auto value */ 6119 if (vwrq->fixed == 0) { 6120 /* Fill all the rates up to this max rate */ 6121 memset(local->config.rates, 0, 8); 6122 for (i = 0 ; i < 8 ; i++) { 6123 local->config.rates[i] = cap_rid.supportedRates[i]; 6124 if (local->config.rates[i] == brate) 6125 break; 6126 } 6127 } else { 6128 /* Fixed mode */ 6129 /* One rate, fixed */ 6130 memset(local->config.rates, 0, 8); 6131 local->config.rates[0] = brate; 6132 } 6133 set_bit (FLAG_COMMIT, &local->flags); 6134 6135 return -EINPROGRESS; /* Call commit handler */ 6136 } 6137 6138 /*------------------------------------------------------------------*/ 6139 /* 6140 * Wireless Handler : get Bit-Rate 6141 */ 6142 static int airo_get_rate(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 StatusRid status_rid; /* Card status info */ 6149 6150 readStatusRid(local, &status_rid, 1); 6151 6152 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; 6153 /* If more than one rate, set auto */ 6154 readConfigRid(local, 1); 6155 vwrq->fixed = (local->config.rates[1] == 0); 6156 6157 return 0; 6158 } 6159 6160 /*------------------------------------------------------------------*/ 6161 /* 6162 * Wireless Handler : set RTS threshold 6163 */ 6164 static int airo_set_rts(struct net_device *dev, 6165 struct iw_request_info *info, 6166 struct iw_param *vwrq, 6167 char *extra) 6168 { 6169 struct airo_info *local = dev->ml_priv; 6170 int rthr = vwrq->value; 6171 6172 if (vwrq->disabled) 6173 rthr = AIRO_DEF_MTU; 6174 if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) { 6175 return -EINVAL; 6176 } 6177 readConfigRid(local, 1); 6178 local->config.rtsThres = cpu_to_le16(rthr); 6179 set_bit (FLAG_COMMIT, &local->flags); 6180 6181 return -EINPROGRESS; /* Call commit handler */ 6182 } 6183 6184 /*------------------------------------------------------------------*/ 6185 /* 6186 * Wireless Handler : get RTS threshold 6187 */ 6188 static int airo_get_rts(struct net_device *dev, 6189 struct iw_request_info *info, 6190 struct iw_param *vwrq, 6191 char *extra) 6192 { 6193 struct airo_info *local = dev->ml_priv; 6194 6195 readConfigRid(local, 1); 6196 vwrq->value = le16_to_cpu(local->config.rtsThres); 6197 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6198 vwrq->fixed = 1; 6199 6200 return 0; 6201 } 6202 6203 /*------------------------------------------------------------------*/ 6204 /* 6205 * Wireless Handler : set Fragmentation threshold 6206 */ 6207 static int airo_set_frag(struct net_device *dev, 6208 struct iw_request_info *info, 6209 struct iw_param *vwrq, 6210 char *extra) 6211 { 6212 struct airo_info *local = dev->ml_priv; 6213 int fthr = vwrq->value; 6214 6215 if (vwrq->disabled) 6216 fthr = AIRO_DEF_MTU; 6217 if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) { 6218 return -EINVAL; 6219 } 6220 fthr &= ~0x1; /* Get an even value - is it really needed ??? */ 6221 readConfigRid(local, 1); 6222 local->config.fragThresh = cpu_to_le16(fthr); 6223 set_bit (FLAG_COMMIT, &local->flags); 6224 6225 return -EINPROGRESS; /* Call commit handler */ 6226 } 6227 6228 /*------------------------------------------------------------------*/ 6229 /* 6230 * Wireless Handler : get Fragmentation threshold 6231 */ 6232 static int airo_get_frag(struct net_device *dev, 6233 struct iw_request_info *info, 6234 struct iw_param *vwrq, 6235 char *extra) 6236 { 6237 struct airo_info *local = dev->ml_priv; 6238 6239 readConfigRid(local, 1); 6240 vwrq->value = le16_to_cpu(local->config.fragThresh); 6241 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6242 vwrq->fixed = 1; 6243 6244 return 0; 6245 } 6246 6247 /*------------------------------------------------------------------*/ 6248 /* 6249 * Wireless Handler : set Mode of Operation 6250 */ 6251 static int airo_set_mode(struct net_device *dev, 6252 struct iw_request_info *info, 6253 __u32 *uwrq, 6254 char *extra) 6255 { 6256 struct airo_info *local = dev->ml_priv; 6257 int reset = 0; 6258 6259 readConfigRid(local, 1); 6260 if (sniffing_mode(local)) 6261 reset = 1; 6262 6263 switch(*uwrq) { 6264 case IW_MODE_ADHOC: 6265 local->config.opmode &= ~MODE_CFG_MASK; 6266 local->config.opmode |= MODE_STA_IBSS; 6267 local->config.rmode &= ~RXMODE_FULL_MASK; 6268 local->config.scanMode = SCANMODE_ACTIVE; 6269 clear_bit (FLAG_802_11, &local->flags); 6270 break; 6271 case IW_MODE_INFRA: 6272 local->config.opmode &= ~MODE_CFG_MASK; 6273 local->config.opmode |= MODE_STA_ESS; 6274 local->config.rmode &= ~RXMODE_FULL_MASK; 6275 local->config.scanMode = SCANMODE_ACTIVE; 6276 clear_bit (FLAG_802_11, &local->flags); 6277 break; 6278 case IW_MODE_MASTER: 6279 local->config.opmode &= ~MODE_CFG_MASK; 6280 local->config.opmode |= MODE_AP; 6281 local->config.rmode &= ~RXMODE_FULL_MASK; 6282 local->config.scanMode = SCANMODE_ACTIVE; 6283 clear_bit (FLAG_802_11, &local->flags); 6284 break; 6285 case IW_MODE_REPEAT: 6286 local->config.opmode &= ~MODE_CFG_MASK; 6287 local->config.opmode |= MODE_AP_RPTR; 6288 local->config.rmode &= ~RXMODE_FULL_MASK; 6289 local->config.scanMode = SCANMODE_ACTIVE; 6290 clear_bit (FLAG_802_11, &local->flags); 6291 break; 6292 case IW_MODE_MONITOR: 6293 local->config.opmode &= ~MODE_CFG_MASK; 6294 local->config.opmode |= MODE_STA_ESS; 6295 local->config.rmode &= ~RXMODE_FULL_MASK; 6296 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 6297 local->config.scanMode = SCANMODE_PASSIVE; 6298 set_bit (FLAG_802_11, &local->flags); 6299 break; 6300 default: 6301 return -EINVAL; 6302 } 6303 if (reset) 6304 set_bit (FLAG_RESET, &local->flags); 6305 set_bit (FLAG_COMMIT, &local->flags); 6306 6307 return -EINPROGRESS; /* Call commit handler */ 6308 } 6309 6310 /*------------------------------------------------------------------*/ 6311 /* 6312 * Wireless Handler : get Mode of Operation 6313 */ 6314 static int airo_get_mode(struct net_device *dev, 6315 struct iw_request_info *info, 6316 __u32 *uwrq, 6317 char *extra) 6318 { 6319 struct airo_info *local = dev->ml_priv; 6320 6321 readConfigRid(local, 1); 6322 /* If not managed, assume it's ad-hoc */ 6323 switch (local->config.opmode & MODE_CFG_MASK) { 6324 case MODE_STA_ESS: 6325 *uwrq = IW_MODE_INFRA; 6326 break; 6327 case MODE_AP: 6328 *uwrq = IW_MODE_MASTER; 6329 break; 6330 case MODE_AP_RPTR: 6331 *uwrq = IW_MODE_REPEAT; 6332 break; 6333 default: 6334 *uwrq = IW_MODE_ADHOC; 6335 } 6336 6337 return 0; 6338 } 6339 6340 static inline int valid_index(struct airo_info *ai, int index) 6341 { 6342 return (index >= 0) && (index <= ai->max_wep_idx); 6343 } 6344 6345 /*------------------------------------------------------------------*/ 6346 /* 6347 * Wireless Handler : set Encryption Key 6348 */ 6349 static int airo_set_encode(struct net_device *dev, 6350 struct iw_request_info *info, 6351 struct iw_point *dwrq, 6352 char *extra) 6353 { 6354 struct airo_info *local = dev->ml_priv; 6355 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); 6356 __le16 currentAuthType = local->config.authType; 6357 int rc = 0; 6358 6359 if (!local->wep_capable) 6360 return -EOPNOTSUPP; 6361 6362 readConfigRid(local, 1); 6363 6364 /* Basic checking: do we have a key to set ? 6365 * Note : with the new API, it's impossible to get a NULL pointer. 6366 * Therefore, we need to check a key size == 0 instead. 6367 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag 6368 * when no key is present (only change flags), but older versions 6369 * don't do it. - Jean II */ 6370 if (dwrq->length > 0) { 6371 wep_key_t key; 6372 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6373 int current_index; 6374 6375 /* Check the size of the key */ 6376 if (dwrq->length > MAX_KEY_SIZE) { 6377 return -EINVAL; 6378 } 6379 6380 current_index = get_wep_tx_idx(local); 6381 if (current_index < 0) 6382 current_index = 0; 6383 6384 /* Check the index (none -> use current) */ 6385 if (!valid_index(local, index)) 6386 index = current_index; 6387 6388 /* Set the length */ 6389 if (dwrq->length > MIN_KEY_SIZE) 6390 key.len = MAX_KEY_SIZE; 6391 else 6392 key.len = MIN_KEY_SIZE; 6393 /* Check if the key is not marked as invalid */ 6394 if (!(dwrq->flags & IW_ENCODE_NOKEY)) { 6395 /* Cleanup */ 6396 memset(key.key, 0, MAX_KEY_SIZE); 6397 /* Copy the key in the driver */ 6398 memcpy(key.key, extra, dwrq->length); 6399 /* Send the key to the card */ 6400 rc = set_wep_key(local, index, key.key, key.len, perm, 1); 6401 if (rc < 0) { 6402 airo_print_err(local->dev->name, "failed to set" 6403 " WEP key at index %d: %d.", 6404 index, rc); 6405 return rc; 6406 } 6407 } 6408 /* WE specify that if a valid key is set, encryption 6409 * should be enabled (user may turn it off later) 6410 * This is also how "iwconfig ethX key on" works */ 6411 if ((index == current_index) && (key.len > 0) && 6412 (local->config.authType == AUTH_OPEN)) 6413 set_auth_type(local, AUTH_ENCRYPT); 6414 } else { 6415 /* Do we want to just set the transmit key index ? */ 6416 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6417 if (valid_index(local, index)) { 6418 rc = set_wep_tx_idx(local, index, perm, 1); 6419 if (rc < 0) { 6420 airo_print_err(local->dev->name, "failed to set" 6421 " WEP transmit index to %d: %d.", 6422 index, rc); 6423 return rc; 6424 } 6425 } else { 6426 /* Don't complain if only change the mode */ 6427 if (!(dwrq->flags & IW_ENCODE_MODE)) 6428 return -EINVAL; 6429 } 6430 } 6431 /* Read the flags */ 6432 if (dwrq->flags & IW_ENCODE_DISABLED) 6433 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6434 if (dwrq->flags & IW_ENCODE_RESTRICTED) 6435 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6436 if (dwrq->flags & IW_ENCODE_OPEN) 6437 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */ 6438 /* Commit the changes to flags if needed */ 6439 if (local->config.authType != currentAuthType) 6440 set_bit (FLAG_COMMIT, &local->flags); 6441 return -EINPROGRESS; /* Call commit handler */ 6442 } 6443 6444 /*------------------------------------------------------------------*/ 6445 /* 6446 * Wireless Handler : get Encryption Key 6447 */ 6448 static int airo_get_encode(struct net_device *dev, 6449 struct iw_request_info *info, 6450 struct iw_point *dwrq, 6451 char *extra) 6452 { 6453 struct airo_info *local = dev->ml_priv; 6454 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6455 int wep_key_len; 6456 u8 buf[16]; 6457 6458 if (!local->wep_capable) 6459 return -EOPNOTSUPP; 6460 6461 readConfigRid(local, 1); 6462 6463 /* Check encryption mode */ 6464 switch(local->config.authType) { 6465 case AUTH_ENCRYPT: 6466 dwrq->flags = IW_ENCODE_OPEN; 6467 break; 6468 case AUTH_SHAREDKEY: 6469 dwrq->flags = IW_ENCODE_RESTRICTED; 6470 break; 6471 default: 6472 case AUTH_OPEN: 6473 dwrq->flags = IW_ENCODE_DISABLED; 6474 break; 6475 } 6476 /* We can't return the key, so set the proper flag and return zero */ 6477 dwrq->flags |= IW_ENCODE_NOKEY; 6478 memset(extra, 0, 16); 6479 6480 /* Which key do we want ? -1 -> tx index */ 6481 if (!valid_index(local, index)) { 6482 index = get_wep_tx_idx(local); 6483 if (index < 0) 6484 index = 0; 6485 } 6486 dwrq->flags |= index + 1; 6487 6488 /* Copy the key to the user buffer */ 6489 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf)); 6490 if (wep_key_len < 0) { 6491 dwrq->length = 0; 6492 } else { 6493 dwrq->length = wep_key_len; 6494 memcpy(extra, buf, dwrq->length); 6495 } 6496 6497 return 0; 6498 } 6499 6500 /*------------------------------------------------------------------*/ 6501 /* 6502 * Wireless Handler : set extended Encryption parameters 6503 */ 6504 static int airo_set_encodeext(struct net_device *dev, 6505 struct iw_request_info *info, 6506 union iwreq_data *wrqu, 6507 char *extra) 6508 { 6509 struct airo_info *local = dev->ml_priv; 6510 struct iw_point *encoding = &wrqu->encoding; 6511 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6512 int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1); 6513 __le16 currentAuthType = local->config.authType; 6514 int idx, key_len, alg = ext->alg, set_key = 1, rc; 6515 wep_key_t key; 6516 6517 if (!local->wep_capable) 6518 return -EOPNOTSUPP; 6519 6520 readConfigRid(local, 1); 6521 6522 /* Determine and validate the key index */ 6523 idx = encoding->flags & IW_ENCODE_INDEX; 6524 if (idx) { 6525 if (!valid_index(local, idx - 1)) 6526 return -EINVAL; 6527 idx--; 6528 } else { 6529 idx = get_wep_tx_idx(local); 6530 if (idx < 0) 6531 idx = 0; 6532 } 6533 6534 if (encoding->flags & IW_ENCODE_DISABLED) 6535 alg = IW_ENCODE_ALG_NONE; 6536 6537 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 6538 /* Only set transmit key index here, actual 6539 * key is set below if needed. 6540 */ 6541 rc = set_wep_tx_idx(local, idx, perm, 1); 6542 if (rc < 0) { 6543 airo_print_err(local->dev->name, "failed to set " 6544 "WEP transmit index to %d: %d.", 6545 idx, rc); 6546 return rc; 6547 } 6548 set_key = ext->key_len > 0 ? 1 : 0; 6549 } 6550 6551 if (set_key) { 6552 /* Set the requested key first */ 6553 memset(key.key, 0, MAX_KEY_SIZE); 6554 switch (alg) { 6555 case IW_ENCODE_ALG_NONE: 6556 key.len = 0; 6557 break; 6558 case IW_ENCODE_ALG_WEP: 6559 if (ext->key_len > MIN_KEY_SIZE) { 6560 key.len = MAX_KEY_SIZE; 6561 } else if (ext->key_len > 0) { 6562 key.len = MIN_KEY_SIZE; 6563 } else { 6564 return -EINVAL; 6565 } 6566 key_len = min (ext->key_len, key.len); 6567 memcpy(key.key, ext->key, key_len); 6568 break; 6569 default: 6570 return -EINVAL; 6571 } 6572 if (key.len == 0) { 6573 rc = set_wep_tx_idx(local, idx, perm, 1); 6574 if (rc < 0) { 6575 airo_print_err(local->dev->name, 6576 "failed to set WEP transmit index to %d: %d.", 6577 idx, rc); 6578 return rc; 6579 } 6580 } else { 6581 rc = set_wep_key(local, idx, key.key, key.len, perm, 1); 6582 if (rc < 0) { 6583 airo_print_err(local->dev->name, 6584 "failed to set WEP key at index %d: %d.", 6585 idx, rc); 6586 return rc; 6587 } 6588 } 6589 } 6590 6591 /* Read the flags */ 6592 if (encoding->flags & IW_ENCODE_DISABLED) 6593 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6594 if (encoding->flags & IW_ENCODE_RESTRICTED) 6595 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6596 if (encoding->flags & IW_ENCODE_OPEN) 6597 set_auth_type(local, AUTH_ENCRYPT); 6598 /* Commit the changes to flags if needed */ 6599 if (local->config.authType != currentAuthType) 6600 set_bit (FLAG_COMMIT, &local->flags); 6601 6602 return -EINPROGRESS; 6603 } 6604 6605 6606 /*------------------------------------------------------------------*/ 6607 /* 6608 * Wireless Handler : get extended Encryption parameters 6609 */ 6610 static int airo_get_encodeext(struct net_device *dev, 6611 struct iw_request_info *info, 6612 union iwreq_data *wrqu, 6613 char *extra) 6614 { 6615 struct airo_info *local = dev->ml_priv; 6616 struct iw_point *encoding = &wrqu->encoding; 6617 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6618 int idx, max_key_len, wep_key_len; 6619 u8 buf[16]; 6620 6621 if (!local->wep_capable) 6622 return -EOPNOTSUPP; 6623 6624 readConfigRid(local, 1); 6625 6626 max_key_len = encoding->length - sizeof(*ext); 6627 if (max_key_len < 0) 6628 return -EINVAL; 6629 6630 idx = encoding->flags & IW_ENCODE_INDEX; 6631 if (idx) { 6632 if (!valid_index(local, idx - 1)) 6633 return -EINVAL; 6634 idx--; 6635 } else { 6636 idx = get_wep_tx_idx(local); 6637 if (idx < 0) 6638 idx = 0; 6639 } 6640 6641 encoding->flags = idx + 1; 6642 memset(ext, 0, sizeof(*ext)); 6643 6644 /* Check encryption mode */ 6645 switch(local->config.authType) { 6646 case AUTH_ENCRYPT: 6647 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6648 break; 6649 case AUTH_SHAREDKEY: 6650 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6651 break; 6652 default: 6653 case AUTH_OPEN: 6654 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED; 6655 break; 6656 } 6657 /* We can't return the key, so set the proper flag and return zero */ 6658 encoding->flags |= IW_ENCODE_NOKEY; 6659 memset(extra, 0, 16); 6660 6661 /* Copy the key to the user buffer */ 6662 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); 6663 if (wep_key_len < 0) { 6664 ext->key_len = 0; 6665 } else { 6666 ext->key_len = wep_key_len; 6667 memcpy(extra, buf, ext->key_len); 6668 } 6669 6670 return 0; 6671 } 6672 6673 6674 /*------------------------------------------------------------------*/ 6675 /* 6676 * Wireless Handler : set extended authentication parameters 6677 */ 6678 static int airo_set_auth(struct net_device *dev, 6679 struct iw_request_info *info, 6680 union iwreq_data *wrqu, char *extra) 6681 { 6682 struct airo_info *local = dev->ml_priv; 6683 struct iw_param *param = &wrqu->param; 6684 __le16 currentAuthType = local->config.authType; 6685 6686 switch (param->flags & IW_AUTH_INDEX) { 6687 case IW_AUTH_WPA_VERSION: 6688 case IW_AUTH_CIPHER_PAIRWISE: 6689 case IW_AUTH_CIPHER_GROUP: 6690 case IW_AUTH_KEY_MGMT: 6691 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 6692 case IW_AUTH_PRIVACY_INVOKED: 6693 /* 6694 * airo does not use these parameters 6695 */ 6696 break; 6697 6698 case IW_AUTH_DROP_UNENCRYPTED: 6699 if (param->value) { 6700 /* Only change auth type if unencrypted */ 6701 if (currentAuthType == AUTH_OPEN) 6702 set_auth_type(local, AUTH_ENCRYPT); 6703 } else { 6704 set_auth_type(local, AUTH_OPEN); 6705 } 6706 6707 /* Commit the changes to flags if needed */ 6708 if (local->config.authType != currentAuthType) 6709 set_bit (FLAG_COMMIT, &local->flags); 6710 break; 6711 6712 case IW_AUTH_80211_AUTH_ALG: { 6713 if (param->value & IW_AUTH_ALG_SHARED_KEY) { 6714 set_auth_type(local, AUTH_SHAREDKEY); 6715 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { 6716 /* We don't know here if WEP open system or 6717 * unencrypted mode was requested - so use the 6718 * last mode (of these two) used last time 6719 */ 6720 set_auth_type(local, local->last_auth); 6721 } else 6722 return -EINVAL; 6723 6724 /* Commit the changes to flags if needed */ 6725 if (local->config.authType != currentAuthType) 6726 set_bit (FLAG_COMMIT, &local->flags); 6727 break; 6728 } 6729 6730 case IW_AUTH_WPA_ENABLED: 6731 /* Silently accept disable of WPA */ 6732 if (param->value > 0) 6733 return -EOPNOTSUPP; 6734 break; 6735 6736 default: 6737 return -EOPNOTSUPP; 6738 } 6739 return -EINPROGRESS; 6740 } 6741 6742 6743 /*------------------------------------------------------------------*/ 6744 /* 6745 * Wireless Handler : get extended authentication parameters 6746 */ 6747 static int airo_get_auth(struct net_device *dev, 6748 struct iw_request_info *info, 6749 union iwreq_data *wrqu, char *extra) 6750 { 6751 struct airo_info *local = dev->ml_priv; 6752 struct iw_param *param = &wrqu->param; 6753 __le16 currentAuthType = local->config.authType; 6754 6755 switch (param->flags & IW_AUTH_INDEX) { 6756 case IW_AUTH_DROP_UNENCRYPTED: 6757 switch (currentAuthType) { 6758 case AUTH_SHAREDKEY: 6759 case AUTH_ENCRYPT: 6760 param->value = 1; 6761 break; 6762 default: 6763 param->value = 0; 6764 break; 6765 } 6766 break; 6767 6768 case IW_AUTH_80211_AUTH_ALG: 6769 switch (currentAuthType) { 6770 case AUTH_SHAREDKEY: 6771 param->value = IW_AUTH_ALG_SHARED_KEY; 6772 break; 6773 case AUTH_ENCRYPT: 6774 default: 6775 param->value = IW_AUTH_ALG_OPEN_SYSTEM; 6776 break; 6777 } 6778 break; 6779 6780 case IW_AUTH_WPA_ENABLED: 6781 param->value = 0; 6782 break; 6783 6784 default: 6785 return -EOPNOTSUPP; 6786 } 6787 return 0; 6788 } 6789 6790 6791 /*------------------------------------------------------------------*/ 6792 /* 6793 * Wireless Handler : set Tx-Power 6794 */ 6795 static int airo_set_txpow(struct net_device *dev, 6796 struct iw_request_info *info, 6797 struct iw_param *vwrq, 6798 char *extra) 6799 { 6800 struct airo_info *local = dev->ml_priv; 6801 CapabilityRid cap_rid; /* Card capability info */ 6802 int i; 6803 int rc = -EINVAL; 6804 __le16 v = cpu_to_le16(vwrq->value); 6805 6806 readCapabilityRid(local, &cap_rid, 1); 6807 6808 if (vwrq->disabled) { 6809 set_bit (FLAG_RADIO_OFF, &local->flags); 6810 set_bit (FLAG_COMMIT, &local->flags); 6811 return -EINPROGRESS; /* Call commit handler */ 6812 } 6813 if (vwrq->flags != IW_TXPOW_MWATT) { 6814 return -EINVAL; 6815 } 6816 clear_bit (FLAG_RADIO_OFF, &local->flags); 6817 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++) 6818 if (v == cap_rid.txPowerLevels[i]) { 6819 readConfigRid(local, 1); 6820 local->config.txPower = v; 6821 set_bit (FLAG_COMMIT, &local->flags); 6822 rc = -EINPROGRESS; /* Call commit handler */ 6823 break; 6824 } 6825 return rc; 6826 } 6827 6828 /*------------------------------------------------------------------*/ 6829 /* 6830 * Wireless Handler : get Tx-Power 6831 */ 6832 static int airo_get_txpow(struct net_device *dev, 6833 struct iw_request_info *info, 6834 struct iw_param *vwrq, 6835 char *extra) 6836 { 6837 struct airo_info *local = dev->ml_priv; 6838 6839 readConfigRid(local, 1); 6840 vwrq->value = le16_to_cpu(local->config.txPower); 6841 vwrq->fixed = 1; /* No power control */ 6842 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags); 6843 vwrq->flags = IW_TXPOW_MWATT; 6844 6845 return 0; 6846 } 6847 6848 /*------------------------------------------------------------------*/ 6849 /* 6850 * Wireless Handler : set Retry limits 6851 */ 6852 static int airo_set_retry(struct net_device *dev, 6853 struct iw_request_info *info, 6854 struct iw_param *vwrq, 6855 char *extra) 6856 { 6857 struct airo_info *local = dev->ml_priv; 6858 int rc = -EINVAL; 6859 6860 if (vwrq->disabled) { 6861 return -EINVAL; 6862 } 6863 readConfigRid(local, 1); 6864 if (vwrq->flags & IW_RETRY_LIMIT) { 6865 __le16 v = cpu_to_le16(vwrq->value); 6866 if (vwrq->flags & IW_RETRY_LONG) 6867 local->config.longRetryLimit = v; 6868 else if (vwrq->flags & IW_RETRY_SHORT) 6869 local->config.shortRetryLimit = v; 6870 else { 6871 /* No modifier : set both */ 6872 local->config.longRetryLimit = v; 6873 local->config.shortRetryLimit = v; 6874 } 6875 set_bit (FLAG_COMMIT, &local->flags); 6876 rc = -EINPROGRESS; /* Call commit handler */ 6877 } 6878 if (vwrq->flags & IW_RETRY_LIFETIME) { 6879 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024); 6880 set_bit (FLAG_COMMIT, &local->flags); 6881 rc = -EINPROGRESS; /* Call commit handler */ 6882 } 6883 return rc; 6884 } 6885 6886 /*------------------------------------------------------------------*/ 6887 /* 6888 * Wireless Handler : get Retry limits 6889 */ 6890 static int airo_get_retry(struct net_device *dev, 6891 struct iw_request_info *info, 6892 struct iw_param *vwrq, 6893 char *extra) 6894 { 6895 struct airo_info *local = dev->ml_priv; 6896 6897 vwrq->disabled = 0; /* Can't be disabled */ 6898 6899 readConfigRid(local, 1); 6900 /* Note : by default, display the min retry number */ 6901 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { 6902 vwrq->flags = IW_RETRY_LIFETIME; 6903 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024; 6904 } else if ((vwrq->flags & IW_RETRY_LONG)) { 6905 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 6906 vwrq->value = le16_to_cpu(local->config.longRetryLimit); 6907 } else { 6908 vwrq->flags = IW_RETRY_LIMIT; 6909 vwrq->value = le16_to_cpu(local->config.shortRetryLimit); 6910 if (local->config.shortRetryLimit != local->config.longRetryLimit) 6911 vwrq->flags |= IW_RETRY_SHORT; 6912 } 6913 6914 return 0; 6915 } 6916 6917 /*------------------------------------------------------------------*/ 6918 /* 6919 * Wireless Handler : get range info 6920 */ 6921 static int airo_get_range(struct net_device *dev, 6922 struct iw_request_info *info, 6923 struct iw_point *dwrq, 6924 char *extra) 6925 { 6926 struct airo_info *local = dev->ml_priv; 6927 struct iw_range *range = (struct iw_range *) extra; 6928 CapabilityRid cap_rid; /* Card capability info */ 6929 int i; 6930 int k; 6931 6932 readCapabilityRid(local, &cap_rid, 1); 6933 6934 dwrq->length = sizeof(struct iw_range); 6935 memset(range, 0, sizeof(*range)); 6936 range->min_nwid = 0x0000; 6937 range->max_nwid = 0x0000; 6938 range->num_channels = 14; 6939 /* Should be based on cap_rid.country to give only 6940 * what the current card support */ 6941 k = 0; 6942 for (i = 0; i < 14; i++) { 6943 range->freq[k].i = i + 1; /* List index */ 6944 range->freq[k].m = 100000 * 6945 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ); 6946 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */ 6947 } 6948 range->num_frequency = k; 6949 6950 range->sensitivity = 65535; 6951 6952 /* Hum... Should put the right values there */ 6953 if (local->rssi) 6954 range->max_qual.qual = 100; /* % */ 6955 else 6956 range->max_qual.qual = airo_get_max_quality(&cap_rid); 6957 range->max_qual.level = 0x100 - 120; /* -120 dBm */ 6958 range->max_qual.noise = 0x100 - 120; /* -120 dBm */ 6959 6960 /* Experimental measurements - boundary 11/5.5 Mb/s */ 6961 /* Note : with or without the (local->rssi), results 6962 * are somewhat different. - Jean II */ 6963 if (local->rssi) { 6964 range->avg_qual.qual = 50; /* % */ 6965 range->avg_qual.level = 0x100 - 70; /* -70 dBm */ 6966 } else { 6967 range->avg_qual.qual = airo_get_avg_quality(&cap_rid); 6968 range->avg_qual.level = 0x100 - 80; /* -80 dBm */ 6969 } 6970 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */ 6971 6972 for (i = 0 ; i < 8 ; i++) { 6973 range->bitrate[i] = cap_rid.supportedRates[i] * 500000; 6974 if (range->bitrate[i] == 0) 6975 break; 6976 } 6977 range->num_bitrates = i; 6978 6979 /* Set an indication of the max TCP throughput 6980 * in bit/s that we can expect using this interface. 6981 * May be use for QoS stuff... Jean II */ 6982 if (i > 2) 6983 range->throughput = 5000 * 1000; 6984 else 6985 range->throughput = 1500 * 1000; 6986 6987 range->min_rts = 0; 6988 range->max_rts = AIRO_DEF_MTU; 6989 range->min_frag = 256; 6990 range->max_frag = AIRO_DEF_MTU; 6991 6992 if (cap_rid.softCap & cpu_to_le16(2)) { 6993 // WEP: RC4 40 bits 6994 range->encoding_size[0] = 5; 6995 // RC4 ~128 bits 6996 if (cap_rid.softCap & cpu_to_le16(0x100)) { 6997 range->encoding_size[1] = 13; 6998 range->num_encoding_sizes = 2; 6999 } else 7000 range->num_encoding_sizes = 1; 7001 range->max_encoding_tokens = 7002 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1; 7003 } else { 7004 range->num_encoding_sizes = 0; 7005 range->max_encoding_tokens = 0; 7006 } 7007 range->min_pmp = 0; 7008 range->max_pmp = 5000000; /* 5 secs */ 7009 range->min_pmt = 0; 7010 range->max_pmt = 65535 * 1024; /* ??? */ 7011 range->pmp_flags = IW_POWER_PERIOD; 7012 range->pmt_flags = IW_POWER_TIMEOUT; 7013 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; 7014 7015 /* Transmit Power - values are in mW */ 7016 for (i = 0 ; i < 8 ; i++) { 7017 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]); 7018 if (range->txpower[i] == 0) 7019 break; 7020 } 7021 range->num_txpower = i; 7022 range->txpower_capa = IW_TXPOW_MWATT; 7023 range->we_version_source = 19; 7024 range->we_version_compiled = WIRELESS_EXT; 7025 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; 7026 range->retry_flags = IW_RETRY_LIMIT; 7027 range->r_time_flags = IW_RETRY_LIFETIME; 7028 range->min_retry = 1; 7029 range->max_retry = 65535; 7030 range->min_r_time = 1024; 7031 range->max_r_time = 65535 * 1024; 7032 7033 /* Event capability (kernel + driver) */ 7034 range->event_capa[0] = (IW_EVENT_CAPA_K_0 | 7035 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | 7036 IW_EVENT_CAPA_MASK(SIOCGIWAP) | 7037 IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); 7038 range->event_capa[1] = IW_EVENT_CAPA_K_1; 7039 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP); 7040 return 0; 7041 } 7042 7043 /*------------------------------------------------------------------*/ 7044 /* 7045 * Wireless Handler : set Power Management 7046 */ 7047 static int airo_set_power(struct net_device *dev, 7048 struct iw_request_info *info, 7049 struct iw_param *vwrq, 7050 char *extra) 7051 { 7052 struct airo_info *local = dev->ml_priv; 7053 7054 readConfigRid(local, 1); 7055 if (vwrq->disabled) { 7056 if (sniffing_mode(local)) 7057 return -EINVAL; 7058 local->config.powerSaveMode = POWERSAVE_CAM; 7059 local->config.rmode &= ~RXMODE_MASK; 7060 local->config.rmode |= RXMODE_BC_MC_ADDR; 7061 set_bit (FLAG_COMMIT, &local->flags); 7062 return -EINPROGRESS; /* Call commit handler */ 7063 } 7064 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7065 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024); 7066 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7067 set_bit (FLAG_COMMIT, &local->flags); 7068 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { 7069 local->config.fastListenInterval = 7070 local->config.listenInterval = 7071 cpu_to_le16((vwrq->value + 500) / 1024); 7072 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7073 set_bit (FLAG_COMMIT, &local->flags); 7074 } 7075 switch (vwrq->flags & IW_POWER_MODE) { 7076 case IW_POWER_UNICAST_R: 7077 if (sniffing_mode(local)) 7078 return -EINVAL; 7079 local->config.rmode &= ~RXMODE_MASK; 7080 local->config.rmode |= RXMODE_ADDR; 7081 set_bit (FLAG_COMMIT, &local->flags); 7082 break; 7083 case IW_POWER_ALL_R: 7084 if (sniffing_mode(local)) 7085 return -EINVAL; 7086 local->config.rmode &= ~RXMODE_MASK; 7087 local->config.rmode |= RXMODE_BC_MC_ADDR; 7088 set_bit (FLAG_COMMIT, &local->flags); 7089 break; 7090 case IW_POWER_ON: 7091 /* This is broken, fixme ;-) */ 7092 break; 7093 default: 7094 return -EINVAL; 7095 } 7096 // Note : we may want to factor local->need_commit here 7097 // Note2 : may also want to factor RXMODE_RFMON test 7098 return -EINPROGRESS; /* Call commit handler */ 7099 } 7100 7101 /*------------------------------------------------------------------*/ 7102 /* 7103 * Wireless Handler : get Power Management 7104 */ 7105 static int airo_get_power(struct net_device *dev, 7106 struct iw_request_info *info, 7107 struct iw_param *vwrq, 7108 char *extra) 7109 { 7110 struct airo_info *local = dev->ml_priv; 7111 __le16 mode; 7112 7113 readConfigRid(local, 1); 7114 mode = local->config.powerSaveMode; 7115 if ((vwrq->disabled = (mode == POWERSAVE_CAM))) 7116 return 0; 7117 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7118 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024; 7119 vwrq->flags = IW_POWER_TIMEOUT; 7120 } else { 7121 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024; 7122 vwrq->flags = IW_POWER_PERIOD; 7123 } 7124 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR) 7125 vwrq->flags |= IW_POWER_UNICAST_R; 7126 else 7127 vwrq->flags |= IW_POWER_ALL_R; 7128 7129 return 0; 7130 } 7131 7132 /*------------------------------------------------------------------*/ 7133 /* 7134 * Wireless Handler : set Sensitivity 7135 */ 7136 static int airo_set_sens(struct net_device *dev, 7137 struct iw_request_info *info, 7138 struct iw_param *vwrq, 7139 char *extra) 7140 { 7141 struct airo_info *local = dev->ml_priv; 7142 7143 readConfigRid(local, 1); 7144 local->config.rssiThreshold = 7145 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value); 7146 set_bit (FLAG_COMMIT, &local->flags); 7147 7148 return -EINPROGRESS; /* Call commit handler */ 7149 } 7150 7151 /*------------------------------------------------------------------*/ 7152 /* 7153 * Wireless Handler : get Sensitivity 7154 */ 7155 static int airo_get_sens(struct net_device *dev, 7156 struct iw_request_info *info, 7157 struct iw_param *vwrq, 7158 char *extra) 7159 { 7160 struct airo_info *local = dev->ml_priv; 7161 7162 readConfigRid(local, 1); 7163 vwrq->value = le16_to_cpu(local->config.rssiThreshold); 7164 vwrq->disabled = (vwrq->value == 0); 7165 vwrq->fixed = 1; 7166 7167 return 0; 7168 } 7169 7170 /*------------------------------------------------------------------*/ 7171 /* 7172 * Wireless Handler : get AP List 7173 * Note : this is deprecated in favor of IWSCAN 7174 */ 7175 static int airo_get_aplist(struct net_device *dev, 7176 struct iw_request_info *info, 7177 struct iw_point *dwrq, 7178 char *extra) 7179 { 7180 struct airo_info *local = dev->ml_priv; 7181 struct sockaddr *address = (struct sockaddr *) extra; 7182 struct iw_quality *qual; 7183 BSSListRid BSSList; 7184 int i; 7185 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; 7186 7187 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL); 7188 if (!qual) 7189 return -ENOMEM; 7190 7191 for (i = 0; i < IW_MAX_AP; i++) { 7192 u16 dBm; 7193 if (readBSSListRid(local, loseSync, &BSSList)) 7194 break; 7195 loseSync = 0; 7196 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN); 7197 address[i].sa_family = ARPHRD_ETHER; 7198 dBm = le16_to_cpu(BSSList.dBm); 7199 if (local->rssi) { 7200 qual[i].level = 0x100 - dBm; 7201 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm); 7202 qual[i].updated = IW_QUAL_QUAL_UPDATED 7203 | IW_QUAL_LEVEL_UPDATED 7204 | IW_QUAL_DBM; 7205 } else { 7206 qual[i].level = (dBm + 321) / 2; 7207 qual[i].qual = 0; 7208 qual[i].updated = IW_QUAL_QUAL_INVALID 7209 | IW_QUAL_LEVEL_UPDATED 7210 | IW_QUAL_DBM; 7211 } 7212 qual[i].noise = local->wstats.qual.noise; 7213 if (BSSList.index == cpu_to_le16(0xffff)) 7214 break; 7215 } 7216 if (!i) { 7217 StatusRid status_rid; /* Card status info */ 7218 readStatusRid(local, &status_rid, 1); 7219 for (i = 0; 7220 i < min(IW_MAX_AP, 4) && 7221 (status_rid.bssid[i][0] 7222 & status_rid.bssid[i][1] 7223 & status_rid.bssid[i][2] 7224 & status_rid.bssid[i][3] 7225 & status_rid.bssid[i][4] 7226 & status_rid.bssid[i][5])!=0xff && 7227 (status_rid.bssid[i][0] 7228 | status_rid.bssid[i][1] 7229 | status_rid.bssid[i][2] 7230 | status_rid.bssid[i][3] 7231 | status_rid.bssid[i][4] 7232 | status_rid.bssid[i][5]); 7233 i++) { 7234 memcpy(address[i].sa_data, 7235 status_rid.bssid[i], ETH_ALEN); 7236 address[i].sa_family = ARPHRD_ETHER; 7237 } 7238 } else { 7239 dwrq->flags = 1; /* Should be define'd */ 7240 memcpy(extra + sizeof(struct sockaddr) * i, qual, 7241 sizeof(struct iw_quality) * i); 7242 } 7243 dwrq->length = i; 7244 7245 kfree(qual); 7246 return 0; 7247 } 7248 7249 /*------------------------------------------------------------------*/ 7250 /* 7251 * Wireless Handler : Initiate Scan 7252 */ 7253 static int airo_set_scan(struct net_device *dev, 7254 struct iw_request_info *info, 7255 struct iw_point *dwrq, 7256 char *extra) 7257 { 7258 struct airo_info *ai = dev->ml_priv; 7259 Cmd cmd; 7260 Resp rsp; 7261 int wake = 0; 7262 APListRid APList_rid_empty; 7263 7264 /* Note : you may have realised that, as this is a SET operation, 7265 * this is privileged and therefore a normal user can't 7266 * perform scanning. 7267 * This is not an error, while the device perform scanning, 7268 * traffic doesn't flow, so it's a perfect DoS... 7269 * Jean II */ 7270 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 7271 7272 if (down_interruptible(&ai->sem)) 7273 return -ERESTARTSYS; 7274 7275 /* If there's already a scan in progress, don't 7276 * trigger another one. */ 7277 if (ai->scan_timeout > 0) 7278 goto out; 7279 7280 /* Clear APList as it affects scan results */ 7281 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty)); 7282 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty)); 7283 disable_MAC(ai, 2); 7284 writeAPListRid(ai, &APList_rid_empty, 0); 7285 enable_MAC(ai, 0); 7286 7287 /* Initiate a scan command */ 7288 ai->scan_timeout = RUN_AT(3*HZ); 7289 memset(&cmd, 0, sizeof(cmd)); 7290 cmd.cmd = CMD_LISTBSS; 7291 issuecommand(ai, &cmd, &rsp, true); 7292 wake = 1; 7293 7294 out: 7295 up(&ai->sem); 7296 if (wake) 7297 wake_up_interruptible(&ai->thr_wait); 7298 return 0; 7299 } 7300 7301 /*------------------------------------------------------------------*/ 7302 /* 7303 * Translate scan data returned from the card to a card independent 7304 * format that the Wireless Tools will understand - Jean II 7305 */ 7306 static inline char *airo_translate_scan(struct net_device *dev, 7307 struct iw_request_info *info, 7308 char *current_ev, 7309 char *end_buf, 7310 BSSListRid *bss) 7311 { 7312 struct airo_info *ai = dev->ml_priv; 7313 struct iw_event iwe; /* Temporary buffer */ 7314 __le16 capabilities; 7315 char * current_val; /* For rates */ 7316 int i; 7317 char * buf; 7318 u16 dBm; 7319 7320 /* First entry *MUST* be the AP MAC address */ 7321 iwe.cmd = SIOCGIWAP; 7322 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 7323 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN); 7324 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7325 &iwe, IW_EV_ADDR_LEN); 7326 7327 /* Other entries will be displayed in the order we give them */ 7328 7329 /* Add the ESSID */ 7330 iwe.u.data.length = bss->ssidLen; 7331 if (iwe.u.data.length > 32) 7332 iwe.u.data.length = 32; 7333 iwe.cmd = SIOCGIWESSID; 7334 iwe.u.data.flags = 1; 7335 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7336 &iwe, bss->ssid); 7337 7338 /* Add mode */ 7339 iwe.cmd = SIOCGIWMODE; 7340 capabilities = bss->cap; 7341 if (capabilities & (CAP_ESS | CAP_IBSS)) { 7342 if (capabilities & CAP_ESS) 7343 iwe.u.mode = IW_MODE_MASTER; 7344 else 7345 iwe.u.mode = IW_MODE_ADHOC; 7346 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7347 &iwe, IW_EV_UINT_LEN); 7348 } 7349 7350 /* Add frequency */ 7351 iwe.cmd = SIOCGIWFREQ; 7352 iwe.u.freq.m = le16_to_cpu(bss->dsChannel); 7353 iwe.u.freq.m = 100000 * 7354 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ); 7355 iwe.u.freq.e = 1; 7356 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7357 &iwe, IW_EV_FREQ_LEN); 7358 7359 dBm = le16_to_cpu(bss->dBm); 7360 7361 /* Add quality statistics */ 7362 iwe.cmd = IWEVQUAL; 7363 if (ai->rssi) { 7364 iwe.u.qual.level = 0x100 - dBm; 7365 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm); 7366 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED 7367 | IW_QUAL_LEVEL_UPDATED 7368 | IW_QUAL_DBM; 7369 } else { 7370 iwe.u.qual.level = (dBm + 321) / 2; 7371 iwe.u.qual.qual = 0; 7372 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID 7373 | IW_QUAL_LEVEL_UPDATED 7374 | IW_QUAL_DBM; 7375 } 7376 iwe.u.qual.noise = ai->wstats.qual.noise; 7377 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7378 &iwe, IW_EV_QUAL_LEN); 7379 7380 /* Add encryption capability */ 7381 iwe.cmd = SIOCGIWENCODE; 7382 if (capabilities & CAP_PRIVACY) 7383 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 7384 else 7385 iwe.u.data.flags = IW_ENCODE_DISABLED; 7386 iwe.u.data.length = 0; 7387 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7388 &iwe, bss->ssid); 7389 7390 /* Rate : stuffing multiple values in a single event require a bit 7391 * more of magic - Jean II */ 7392 current_val = current_ev + iwe_stream_lcp_len(info); 7393 7394 iwe.cmd = SIOCGIWRATE; 7395 /* Those two flags are ignored... */ 7396 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 7397 /* Max 8 values */ 7398 for (i = 0 ; i < 8 ; i++) { 7399 /* NULL terminated */ 7400 if (bss->rates[i] == 0) 7401 break; 7402 /* Bit rate given in 500 kb/s units (+ 0x80) */ 7403 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000); 7404 /* Add new value to event */ 7405 current_val = iwe_stream_add_value(info, current_ev, 7406 current_val, end_buf, 7407 &iwe, IW_EV_PARAM_LEN); 7408 } 7409 /* Check if we added any event */ 7410 if ((current_val - current_ev) > iwe_stream_lcp_len(info)) 7411 current_ev = current_val; 7412 7413 /* Beacon interval */ 7414 buf = kmalloc(30, GFP_KERNEL); 7415 if (buf) { 7416 iwe.cmd = IWEVCUSTOM; 7417 sprintf(buf, "bcn_int=%d", bss->beaconInterval); 7418 iwe.u.data.length = strlen(buf); 7419 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7420 &iwe, buf); 7421 kfree(buf); 7422 } 7423 7424 /* Put WPA/RSN Information Elements into the event stream */ 7425 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) { 7426 unsigned int num_null_ies = 0; 7427 u16 length = sizeof (bss->extra.iep); 7428 u8 *ie = (void *)&bss->extra.iep; 7429 7430 while ((length >= 2) && (num_null_ies < 2)) { 7431 if (2 + ie[1] > length) { 7432 /* Invalid element, don't continue parsing IE */ 7433 break; 7434 } 7435 7436 switch (ie[0]) { 7437 case WLAN_EID_SSID: 7438 /* Two zero-length SSID elements 7439 * mean we're done parsing elements */ 7440 if (!ie[1]) 7441 num_null_ies++; 7442 break; 7443 7444 case WLAN_EID_VENDOR_SPECIFIC: 7445 if (ie[1] >= 4 && 7446 ie[2] == 0x00 && 7447 ie[3] == 0x50 && 7448 ie[4] == 0xf2 && 7449 ie[5] == 0x01) { 7450 iwe.cmd = IWEVGENIE; 7451 /* 64 is an arbitrary cut-off */ 7452 iwe.u.data.length = min(ie[1] + 2, 7453 64); 7454 current_ev = iwe_stream_add_point( 7455 info, current_ev, 7456 end_buf, &iwe, ie); 7457 } 7458 break; 7459 7460 case WLAN_EID_RSN: 7461 iwe.cmd = IWEVGENIE; 7462 /* 64 is an arbitrary cut-off */ 7463 iwe.u.data.length = min(ie[1] + 2, 64); 7464 current_ev = iwe_stream_add_point( 7465 info, current_ev, end_buf, 7466 &iwe, ie); 7467 break; 7468 7469 default: 7470 break; 7471 } 7472 7473 length -= 2 + ie[1]; 7474 ie += 2 + ie[1]; 7475 } 7476 } 7477 return current_ev; 7478 } 7479 7480 /*------------------------------------------------------------------*/ 7481 /* 7482 * Wireless Handler : Read Scan Results 7483 */ 7484 static int airo_get_scan(struct net_device *dev, 7485 struct iw_request_info *info, 7486 struct iw_point *dwrq, 7487 char *extra) 7488 { 7489 struct airo_info *ai = dev->ml_priv; 7490 BSSListElement *net; 7491 int err = 0; 7492 char *current_ev = extra; 7493 7494 /* If a scan is in-progress, return -EAGAIN */ 7495 if (ai->scan_timeout > 0) 7496 return -EAGAIN; 7497 7498 if (down_interruptible(&ai->sem)) 7499 return -EAGAIN; 7500 7501 list_for_each_entry (net, &ai->network_list, list) { 7502 /* Translate to WE format this entry */ 7503 current_ev = airo_translate_scan(dev, info, current_ev, 7504 extra + dwrq->length, 7505 &net->bss); 7506 7507 /* Check if there is space for one more entry */ 7508 if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { 7509 /* Ask user space to try again with a bigger buffer */ 7510 err = -E2BIG; 7511 goto out; 7512 } 7513 } 7514 7515 /* Length of data */ 7516 dwrq->length = (current_ev - extra); 7517 dwrq->flags = 0; /* todo */ 7518 7519 out: 7520 up(&ai->sem); 7521 return err; 7522 } 7523 7524 /*------------------------------------------------------------------*/ 7525 /* 7526 * Commit handler : called after a bunch of SET operations 7527 */ 7528 static int airo_config_commit(struct net_device *dev, 7529 struct iw_request_info *info, /* NULL */ 7530 void *zwrq, /* NULL */ 7531 char *extra) /* NULL */ 7532 { 7533 struct airo_info *local = dev->ml_priv; 7534 7535 if (!test_bit (FLAG_COMMIT, &local->flags)) 7536 return 0; 7537 7538 /* Some of the "SET" function may have modified some of the 7539 * parameters. It's now time to commit them in the card */ 7540 disable_MAC(local, 1); 7541 if (test_bit (FLAG_RESET, &local->flags)) { 7542 SsidRid SSID_rid; 7543 7544 readSsidRid(local, &SSID_rid); 7545 if (test_bit(FLAG_MPI,&local->flags)) 7546 setup_card(local, dev, 1); 7547 else 7548 reset_airo_card(dev); 7549 disable_MAC(local, 1); 7550 writeSsidRid(local, &SSID_rid, 1); 7551 writeAPListRid(local, &local->APList, 1); 7552 } 7553 if (down_interruptible(&local->sem)) 7554 return -ERESTARTSYS; 7555 writeConfigRid(local, 0); 7556 enable_MAC(local, 0); 7557 if (test_bit (FLAG_RESET, &local->flags)) 7558 airo_set_promisc(local, true); 7559 else 7560 up(&local->sem); 7561 7562 return 0; 7563 } 7564 7565 /*------------------------------------------------------------------*/ 7566 /* 7567 * Structures to export the Wireless Handlers 7568 */ 7569 7570 static const struct iw_priv_args airo_private_args[] = { 7571 /*{ cmd, set_args, get_args, name } */ 7572 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7573 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" }, 7574 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7575 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" }, 7576 }; 7577 7578 static const iw_handler airo_handler[] = 7579 { 7580 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */ 7581 (iw_handler) airo_get_name, /* SIOCGIWNAME */ 7582 (iw_handler) NULL, /* SIOCSIWNWID */ 7583 (iw_handler) NULL, /* SIOCGIWNWID */ 7584 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */ 7585 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */ 7586 (iw_handler) airo_set_mode, /* SIOCSIWMODE */ 7587 (iw_handler) airo_get_mode, /* SIOCGIWMODE */ 7588 (iw_handler) airo_set_sens, /* SIOCSIWSENS */ 7589 (iw_handler) airo_get_sens, /* SIOCGIWSENS */ 7590 (iw_handler) NULL, /* SIOCSIWRANGE */ 7591 (iw_handler) airo_get_range, /* SIOCGIWRANGE */ 7592 (iw_handler) NULL, /* SIOCSIWPRIV */ 7593 (iw_handler) NULL, /* SIOCGIWPRIV */ 7594 (iw_handler) NULL, /* SIOCSIWSTATS */ 7595 (iw_handler) NULL, /* SIOCGIWSTATS */ 7596 iw_handler_set_spy, /* SIOCSIWSPY */ 7597 iw_handler_get_spy, /* SIOCGIWSPY */ 7598 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ 7599 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ 7600 (iw_handler) airo_set_wap, /* SIOCSIWAP */ 7601 (iw_handler) airo_get_wap, /* SIOCGIWAP */ 7602 (iw_handler) NULL, /* -- hole -- */ 7603 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */ 7604 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */ 7605 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */ 7606 (iw_handler) airo_set_essid, /* SIOCSIWESSID */ 7607 (iw_handler) airo_get_essid, /* SIOCGIWESSID */ 7608 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */ 7609 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */ 7610 (iw_handler) NULL, /* -- hole -- */ 7611 (iw_handler) NULL, /* -- hole -- */ 7612 (iw_handler) airo_set_rate, /* SIOCSIWRATE */ 7613 (iw_handler) airo_get_rate, /* SIOCGIWRATE */ 7614 (iw_handler) airo_set_rts, /* SIOCSIWRTS */ 7615 (iw_handler) airo_get_rts, /* SIOCGIWRTS */ 7616 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */ 7617 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */ 7618 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */ 7619 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */ 7620 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */ 7621 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */ 7622 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */ 7623 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */ 7624 (iw_handler) airo_set_power, /* SIOCSIWPOWER */ 7625 (iw_handler) airo_get_power, /* SIOCGIWPOWER */ 7626 (iw_handler) NULL, /* -- hole -- */ 7627 (iw_handler) NULL, /* -- hole -- */ 7628 (iw_handler) NULL, /* SIOCSIWGENIE */ 7629 (iw_handler) NULL, /* SIOCGIWGENIE */ 7630 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */ 7631 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */ 7632 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */ 7633 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */ 7634 (iw_handler) NULL, /* SIOCSIWPMKSA */ 7635 }; 7636 7637 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here. 7638 * We want to force the use of the ioctl code, because those can't be 7639 * won't work the iw_handler code (because they simultaneously read 7640 * and write data and iw_handler can't do that). 7641 * Note that it's perfectly legal to read/write on a single ioctl command, 7642 * you just can't use iwpriv and need to force it via the ioctl handler. 7643 * Jean II */ 7644 static const iw_handler airo_private_handler[] = 7645 { 7646 NULL, /* SIOCIWFIRSTPRIV */ 7647 }; 7648 7649 static const struct iw_handler_def airo_handler_def = 7650 { 7651 .num_standard = ARRAY_SIZE(airo_handler), 7652 .num_private = ARRAY_SIZE(airo_private_handler), 7653 .num_private_args = ARRAY_SIZE(airo_private_args), 7654 .standard = airo_handler, 7655 .private = airo_private_handler, 7656 .private_args = airo_private_args, 7657 .get_wireless_stats = airo_get_wireless_stats, 7658 }; 7659 7660 /* 7661 * This defines the configuration part of the Wireless Extensions 7662 * Note : irq and spinlock protection will occur in the subroutines 7663 * 7664 * TODO : 7665 * o Check input value more carefully and fill correct values in range 7666 * o Test and shakeout the bugs (if any) 7667 * 7668 * Jean II 7669 * 7670 * Javier Achirica did a great job of merging code from the unnamed CISCO 7671 * developer that added support for flashing the card. 7672 */ 7673 static int airo_siocdevprivate(struct net_device *dev, struct ifreq *rq, 7674 void __user *data, int cmd) 7675 { 7676 int rc = 0; 7677 struct airo_info *ai = dev->ml_priv; 7678 7679 if (ai->power.event) 7680 return 0; 7681 7682 switch (cmd) { 7683 #ifdef CISCO_EXT 7684 case AIROIDIFC: 7685 #ifdef AIROOLDIDIFC 7686 case AIROOLDIDIFC: 7687 #endif 7688 { 7689 int val = AIROMAGIC; 7690 aironet_ioctl com; 7691 if (copy_from_user(&com, data, sizeof(com))) 7692 rc = -EFAULT; 7693 else if (copy_to_user(com.data, (char *)&val, sizeof(val))) 7694 rc = -EFAULT; 7695 } 7696 break; 7697 7698 case AIROIOCTL: 7699 #ifdef AIROOLDIOCTL 7700 case AIROOLDIOCTL: 7701 #endif 7702 /* Get the command struct and hand it off for evaluation by 7703 * the proper subfunction 7704 */ 7705 { 7706 aironet_ioctl com; 7707 if (copy_from_user(&com, data, sizeof(com))) { 7708 rc = -EFAULT; 7709 break; 7710 } 7711 7712 /* Separate R/W functions bracket legality here 7713 */ 7714 if (com.command == AIRORSWVERSION) { 7715 if (copy_to_user(com.data, swversion, sizeof(swversion))) 7716 rc = -EFAULT; 7717 else 7718 rc = 0; 7719 } 7720 else if (com.command <= AIRORRID) 7721 rc = readrids(dev,&com); 7722 else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2)) 7723 rc = writerids(dev,&com); 7724 else if (com.command >= AIROFLSHRST && com.command <= AIRORESTART) 7725 rc = flashcard(dev,&com); 7726 else 7727 rc = -EINVAL; /* Bad command in ioctl */ 7728 } 7729 break; 7730 #endif /* CISCO_EXT */ 7731 7732 // All other calls are currently unsupported 7733 default: 7734 rc = -EOPNOTSUPP; 7735 } 7736 return rc; 7737 } 7738 7739 /* 7740 * Get the Wireless stats out of the driver 7741 * Note : irq and spinlock protection will occur in the subroutines 7742 * 7743 * TODO : 7744 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs) 7745 * 7746 * Jean 7747 */ 7748 static void airo_read_wireless_stats(struct airo_info *local) 7749 { 7750 StatusRid status_rid; 7751 StatsRid stats_rid; 7752 CapabilityRid cap_rid; 7753 __le32 *vals = stats_rid.vals; 7754 7755 /* Get stats out of the card */ 7756 if (local->power.event) 7757 return; 7758 7759 readCapabilityRid(local, &cap_rid, 0); 7760 readStatusRid(local, &status_rid, 0); 7761 readStatsRid(local, &stats_rid, RID_STATS, 0); 7762 7763 /* The status */ 7764 local->wstats.status = le16_to_cpu(status_rid.mode); 7765 7766 /* Signal quality and co */ 7767 if (local->rssi) { 7768 local->wstats.qual.level = 7769 airo_rssi_to_dbm(local->rssi, 7770 le16_to_cpu(status_rid.sigQuality)); 7771 /* normalizedSignalStrength appears to be a percentage */ 7772 local->wstats.qual.qual = 7773 le16_to_cpu(status_rid.normalizedSignalStrength); 7774 } else { 7775 local->wstats.qual.level = 7776 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2; 7777 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid); 7778 } 7779 if (le16_to_cpu(status_rid.len) >= 124) { 7780 local->wstats.qual.noise = 0x100 - status_rid.noisedBm; 7781 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 7782 } else { 7783 local->wstats.qual.noise = 0; 7784 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM; 7785 } 7786 7787 /* Packets discarded in the wireless adapter due to wireless 7788 * specific problems */ 7789 local->wstats.discard.nwid = le32_to_cpu(vals[56]) + 7790 le32_to_cpu(vals[57]) + 7791 le32_to_cpu(vals[58]); /* SSID Mismatch */ 7792 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */ 7793 local->wstats.discard.fragment = le32_to_cpu(vals[30]); 7794 local->wstats.discard.retries = le32_to_cpu(vals[10]); 7795 local->wstats.discard.misc = le32_to_cpu(vals[1]) + 7796 le32_to_cpu(vals[32]); 7797 local->wstats.miss.beacon = le32_to_cpu(vals[34]); 7798 } 7799 7800 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) 7801 { 7802 struct airo_info *local = dev->ml_priv; 7803 7804 if (!down_interruptible(&local->sem)) { 7805 airo_read_wireless_stats(local); 7806 up(&local->sem); 7807 } 7808 return &local->wstats; 7809 } 7810 7811 #ifdef CISCO_EXT 7812 /* 7813 * This just translates from driver IOCTL codes to the command codes to 7814 * feed to the radio's host interface. Things can be added/deleted 7815 * as needed. This represents the READ side of control I/O to 7816 * the card 7817 */ 7818 static int readrids(struct net_device *dev, aironet_ioctl *comp) 7819 { 7820 unsigned short ridcode; 7821 unsigned char *iobuf; 7822 int len; 7823 struct airo_info *ai = dev->ml_priv; 7824 7825 if (test_bit(FLAG_FLASHING, &ai->flags)) 7826 return -EIO; 7827 7828 switch(comp->command) 7829 { 7830 case AIROGCAP: ridcode = RID_CAPABILITIES; break; 7831 case AIROGCFG: ridcode = RID_CONFIG; 7832 if (test_bit(FLAG_COMMIT, &ai->flags)) { 7833 disable_MAC (ai, 1); 7834 writeConfigRid (ai, 1); 7835 enable_MAC(ai, 1); 7836 } 7837 break; 7838 case AIROGSLIST: ridcode = RID_SSID; break; 7839 case AIROGVLIST: ridcode = RID_APLIST; break; 7840 case AIROGDRVNAM: ridcode = RID_DRVNAME; break; 7841 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break; 7842 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break; 7843 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break; 7844 case AIROGSTAT: ridcode = RID_STATUS; break; 7845 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break; 7846 case AIROGSTATSC32: ridcode = RID_STATS; break; 7847 case AIROGMICSTATS: 7848 if (copy_to_user(comp->data, &ai->micstats, 7849 min((int)comp->len, (int)sizeof(ai->micstats)))) 7850 return -EFAULT; 7851 return 0; 7852 case AIRORRID: ridcode = comp->ridnum; break; 7853 default: 7854 return -EINVAL; 7855 } 7856 7857 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) { 7858 /* Only super-user can read WEP keys */ 7859 if (!capable(CAP_NET_ADMIN)) 7860 return -EPERM; 7861 } 7862 7863 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7864 return -ENOMEM; 7865 7866 PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1); 7867 /* get the count of bytes in the rid docs say 1st 2 bytes is it. 7868 * then return it to the user 7869 * 9/22/2000 Honor user given length 7870 */ 7871 len = comp->len; 7872 7873 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) { 7874 kfree (iobuf); 7875 return -EFAULT; 7876 } 7877 kfree (iobuf); 7878 return 0; 7879 } 7880 7881 /* 7882 * Danger Will Robinson write the rids here 7883 */ 7884 7885 static int writerids(struct net_device *dev, aironet_ioctl *comp) 7886 { 7887 struct airo_info *ai = dev->ml_priv; 7888 int ridcode; 7889 int enabled; 7890 int (*writer)(struct airo_info *, u16 rid, const void *, int, int); 7891 unsigned char *iobuf; 7892 7893 /* Only super-user can write RIDs */ 7894 if (!capable(CAP_NET_ADMIN)) 7895 return -EPERM; 7896 7897 if (test_bit(FLAG_FLASHING, &ai->flags)) 7898 return -EIO; 7899 7900 ridcode = 0; 7901 writer = do_writerid; 7902 7903 switch(comp->command) 7904 { 7905 case AIROPSIDS: ridcode = RID_SSID; break; 7906 case AIROPCAP: ridcode = RID_CAPABILITIES; break; 7907 case AIROPAPLIST: ridcode = RID_APLIST; break; 7908 case AIROPCFG: ai->config.len = 0; 7909 clear_bit(FLAG_COMMIT, &ai->flags); 7910 ridcode = RID_CONFIG; break; 7911 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break; 7912 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break; 7913 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break; 7914 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid; 7915 break; 7916 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break; 7917 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break; 7918 7919 /* this is not really a rid but a command given to the card 7920 * same with MAC off 7921 */ 7922 case AIROPMACON: 7923 if (enable_MAC(ai, 1) != 0) 7924 return -EIO; 7925 return 0; 7926 7927 /* 7928 * Evidently this code in the airo driver does not get a symbol 7929 * as disable_MAC. it's probably so short the compiler does not gen one. 7930 */ 7931 case AIROPMACOFF: 7932 disable_MAC(ai, 1); 7933 return 0; 7934 7935 /* This command merely clears the counts does not actually store any data 7936 * only reads rid. But as it changes the cards state, I put it in the 7937 * writerid routines. 7938 */ 7939 case AIROPSTCLR: 7940 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7941 return -ENOMEM; 7942 7943 PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1); 7944 7945 enabled = ai->micstats.enabled; 7946 memset(&ai->micstats, 0, sizeof(ai->micstats)); 7947 ai->micstats.enabled = enabled; 7948 7949 if (copy_to_user(comp->data, iobuf, 7950 min((int)comp->len, (int)RIDSIZE))) { 7951 kfree (iobuf); 7952 return -EFAULT; 7953 } 7954 kfree (iobuf); 7955 return 0; 7956 7957 default: 7958 return -EOPNOTSUPP; /* Blarg! */ 7959 } 7960 if (comp->len > RIDSIZE) 7961 return -EINVAL; 7962 7963 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7964 return -ENOMEM; 7965 7966 if (copy_from_user(iobuf, comp->data, comp->len)) { 7967 kfree (iobuf); 7968 return -EFAULT; 7969 } 7970 7971 if (comp->command == AIROPCFG) { 7972 ConfigRid *cfg = (ConfigRid *)iobuf; 7973 7974 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) 7975 cfg->opmode |= MODE_MIC; 7976 7977 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 7978 set_bit (FLAG_ADHOC, &ai->flags); 7979 else 7980 clear_bit (FLAG_ADHOC, &ai->flags); 7981 } 7982 7983 if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) { 7984 kfree (iobuf); 7985 return -EIO; 7986 } 7987 kfree (iobuf); 7988 return 0; 7989 } 7990 7991 /***************************************************************************** 7992 * Ancillary flash / mod functions much black magic lurkes here * 7993 ***************************************************************************** 7994 */ 7995 7996 /* 7997 * Flash command switch table 7998 */ 7999 8000 static int flashcard(struct net_device *dev, aironet_ioctl *comp) 8001 { 8002 int z; 8003 8004 /* Only super-user can modify flash */ 8005 if (!capable(CAP_NET_ADMIN)) 8006 return -EPERM; 8007 8008 switch(comp->command) 8009 { 8010 case AIROFLSHRST: 8011 return cmdreset((struct airo_info *)dev->ml_priv); 8012 8013 case AIROFLSHSTFL: 8014 if (!AIRO_FLASH(dev) && 8015 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL) 8016 return -ENOMEM; 8017 return setflashmode((struct airo_info *)dev->ml_priv); 8018 8019 case AIROFLSHGCHR: /* Get char from aux */ 8020 if (comp->len != sizeof(int)) 8021 return -EINVAL; 8022 if (copy_from_user(&z, comp->data, comp->len)) 8023 return -EFAULT; 8024 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000); 8025 8026 case AIROFLSHPCHR: /* Send char to card. */ 8027 if (comp->len != sizeof(int)) 8028 return -EINVAL; 8029 if (copy_from_user(&z, comp->data, comp->len)) 8030 return -EFAULT; 8031 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000); 8032 8033 case AIROFLPUTBUF: /* Send 32k to card */ 8034 if (!AIRO_FLASH(dev)) 8035 return -ENOMEM; 8036 if (comp->len > FLASHSIZE) 8037 return -EINVAL; 8038 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len)) 8039 return -EFAULT; 8040 8041 flashputbuf((struct airo_info *)dev->ml_priv); 8042 return 0; 8043 8044 case AIRORESTART: 8045 if (flashrestart((struct airo_info *)dev->ml_priv, dev)) 8046 return -EIO; 8047 return 0; 8048 } 8049 return -EINVAL; 8050 } 8051 8052 #define FLASH_COMMAND 0x7e7e 8053 8054 /* 8055 * STEP 1) 8056 * Disable MAC and do soft reset on 8057 * card. 8058 */ 8059 8060 static int cmdreset(struct airo_info *ai) 8061 { 8062 disable_MAC(ai, 1); 8063 8064 if (!waitbusy (ai)) { 8065 airo_print_info(ai->dev->name, "Waitbusy hang before RESET"); 8066 return -EBUSY; 8067 } 8068 8069 OUT4500(ai, COMMAND, CMD_SOFTRESET); 8070 8071 ssleep(1); /* WAS 600 12/7/00 */ 8072 8073 if (!waitbusy (ai)) { 8074 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET"); 8075 return -EBUSY; 8076 } 8077 return 0; 8078 } 8079 8080 /* STEP 2) 8081 * Put the card in legendary flash 8082 * mode 8083 */ 8084 8085 static int setflashmode (struct airo_info *ai) 8086 { 8087 set_bit (FLAG_FLASHING, &ai->flags); 8088 8089 OUT4500(ai, SWS0, FLASH_COMMAND); 8090 OUT4500(ai, SWS1, FLASH_COMMAND); 8091 if (probe) { 8092 OUT4500(ai, SWS0, FLASH_COMMAND); 8093 OUT4500(ai, COMMAND, 0x10); 8094 } else { 8095 OUT4500(ai, SWS2, FLASH_COMMAND); 8096 OUT4500(ai, SWS3, FLASH_COMMAND); 8097 OUT4500(ai, COMMAND, 0); 8098 } 8099 msleep(500); /* 500ms delay */ 8100 8101 if (!waitbusy(ai)) { 8102 clear_bit (FLAG_FLASHING, &ai->flags); 8103 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode"); 8104 return -EIO; 8105 } 8106 return 0; 8107 } 8108 8109 /* Put character to SWS0 wait for dwelltime 8110 * x 50us for echo . 8111 */ 8112 8113 static int flashpchar(struct airo_info *ai, int byte, int dwelltime) 8114 { 8115 int echo; 8116 int waittime; 8117 8118 byte |= 0x8000; 8119 8120 if (dwelltime == 0) 8121 dwelltime = 200; 8122 8123 waittime = dwelltime; 8124 8125 /* Wait for busy bit d15 to go false indicating buffer empty */ 8126 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) { 8127 udelay (50); 8128 waittime -= 50; 8129 } 8130 8131 /* timeout for busy clear wait */ 8132 if (waittime <= 0) { 8133 airo_print_info(ai->dev->name, "flash putchar busywait timeout!"); 8134 return -EBUSY; 8135 } 8136 8137 /* Port is clear now write byte and wait for it to echo back */ 8138 do { 8139 OUT4500(ai, SWS0, byte); 8140 udelay(50); 8141 dwelltime -= 50; 8142 echo = IN4500(ai, SWS1); 8143 } while (dwelltime >= 0 && echo != byte); 8144 8145 OUT4500(ai, SWS1, 0); 8146 8147 return (echo == byte) ? 0 : -EIO; 8148 } 8149 8150 /* 8151 * Get a character from the card matching matchbyte 8152 * Step 3) 8153 */ 8154 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime) 8155 { 8156 int rchar; 8157 unsigned char rbyte = 0; 8158 8159 do { 8160 rchar = IN4500(ai, SWS1); 8161 8162 if (dwelltime && !(0x8000 & rchar)) { 8163 dwelltime -= 10; 8164 mdelay(10); 8165 continue; 8166 } 8167 rbyte = 0xff & rchar; 8168 8169 if ((rbyte == matchbyte) && (0x8000 & rchar)) { 8170 OUT4500(ai, SWS1, 0); 8171 return 0; 8172 } 8173 if (rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar) 8174 break; 8175 OUT4500(ai, SWS1, 0); 8176 8177 } while (dwelltime > 0); 8178 return -EIO; 8179 } 8180 8181 /* 8182 * Transfer 32k of firmware data from user buffer to our buffer and 8183 * send to the card 8184 */ 8185 8186 static int flashputbuf(struct airo_info *ai) 8187 { 8188 int nwords; 8189 8190 /* Write stuff */ 8191 if (test_bit(FLAG_MPI,&ai->flags)) 8192 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE); 8193 else { 8194 OUT4500(ai, AUXPAGE, 0x100); 8195 OUT4500(ai, AUXOFF, 0); 8196 8197 for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) { 8198 OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff); 8199 } 8200 } 8201 OUT4500(ai, SWS0, 0x8000); 8202 8203 return 0; 8204 } 8205 8206 /* 8207 * 8208 */ 8209 static int flashrestart(struct airo_info *ai, struct net_device *dev) 8210 { 8211 int i, status; 8212 8213 ssleep(1); /* Added 12/7/00 */ 8214 clear_bit (FLAG_FLASHING, &ai->flags); 8215 if (test_bit(FLAG_MPI, &ai->flags)) { 8216 status = mpi_init_descriptors(ai); 8217 if (status != SUCCESS) 8218 return status; 8219 } 8220 status = setup_card(ai, dev, 1); 8221 8222 if (!test_bit(FLAG_MPI,&ai->flags)) 8223 for (i = 0; i < MAX_FIDS; i++) { 8224 ai->fids[i] = transmit_allocate 8225 (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2); 8226 } 8227 8228 ssleep(1); /* Added 12/7/00 */ 8229 return status; 8230 } 8231 #endif /* CISCO_EXT */ 8232 8233 /* 8234 This program is free software; you can redistribute it and/or 8235 modify it under the terms of the GNU General Public License 8236 as published by the Free Software Foundation; either version 2 8237 of the License, or (at your option) any later version. 8238 8239 This program is distributed in the hope that it will be useful, 8240 but WITHOUT ANY WARRANTY; without even the implied warranty of 8241 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8242 GNU General Public License for more details. 8243 8244 In addition: 8245 8246 Redistribution and use in source and binary forms, with or without 8247 modification, are permitted provided that the following conditions 8248 are met: 8249 8250 1. Redistributions of source code must retain the above copyright 8251 notice, this list of conditions and the following disclaimer. 8252 2. Redistributions in binary form must reproduce the above copyright 8253 notice, this list of conditions and the following disclaimer in the 8254 documentation and/or other materials provided with the distribution. 8255 3. The name of the author may not be used to endorse or promote 8256 products derived from this software without specific prior written 8257 permission. 8258 8259 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 8260 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 8261 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 8262 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 8263 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 8264 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 8265 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 8266 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 8267 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 8268 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 8269 POSSIBILITY OF SUCH DAMAGE. 8270 */ 8271 8272 module_init(airo_init_module); 8273 module_exit(airo_cleanup_module); 8274