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_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350"); 255 module_param_hw_array(io, int, ioport, NULL, 0); 256 module_param_hw_array(irq, int, irq, NULL, 0); 257 module_param_array(rates, int, NULL, 0); 258 module_param_array(ssids, charp, NULL, 0); 259 module_param(auto_wep, int, 0); 260 MODULE_PARM_DESC(auto_wep, 261 "If non-zero, the driver will keep looping through the authentication options until an association is made. " 262 "The value of auto_wep is number of the wep keys to check. " 263 "A value of 2 will try using the key at index 0 and index 1."); 264 module_param(aux_bap, int, 0); 265 MODULE_PARM_DESC(aux_bap, 266 "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. " 267 "Before switching it checks that the switch is needed."); 268 module_param(maxencrypt, int, 0); 269 MODULE_PARM_DESC(maxencrypt, 270 "The maximum speed that the card can do encryption. " 271 "Units are in 512kbs. " 272 "Zero (default) means there is no limit. " 273 "Older cards used to be limited to 2mbs (4)."); 274 module_param(adhoc, int, 0); 275 MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode."); 276 module_param(probe, int, 0); 277 MODULE_PARM_DESC(probe, "If zero, the driver won't start the card."); 278 279 module_param(proc_uid, int, 0); 280 MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to."); 281 module_param(proc_gid, int, 0); 282 MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to."); 283 module_param(airo_perm, int, 0); 284 MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet."); 285 module_param(proc_perm, int, 0); 286 MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc"); 287 288 /* This is a kind of sloppy hack to get this information to OUT4500 and 289 IN4500. I would be extremely interested in the situation where this 290 doesn't work though!!! */ 291 static int do8bitIO /* = 0 */; 292 293 /* Return codes */ 294 #define SUCCESS 0 295 #define ERROR -1 296 #define NO_PACKET -2 297 298 /* Commands */ 299 #define NOP2 0x0000 300 #define MAC_ENABLE 0x0001 301 #define MAC_DISABLE 0x0002 302 #define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */ 303 #define CMD_SOFTRESET 0x0004 304 #define HOSTSLEEP 0x0005 305 #define CMD_MAGIC_PKT 0x0006 306 #define CMD_SETWAKEMASK 0x0007 307 #define CMD_READCFG 0x0008 308 #define CMD_SETMODE 0x0009 309 #define CMD_ALLOCATETX 0x000a 310 #define CMD_TRANSMIT 0x000b 311 #define CMD_DEALLOCATETX 0x000c 312 #define NOP 0x0010 313 #define CMD_WORKAROUND 0x0011 314 #define CMD_ALLOCATEAUX 0x0020 315 #define CMD_ACCESS 0x0021 316 #define CMD_PCIBAP 0x0022 317 #define CMD_PCIAUX 0x0023 318 #define CMD_ALLOCBUF 0x0028 319 #define CMD_GETTLV 0x0029 320 #define CMD_PUTTLV 0x002a 321 #define CMD_DELTLV 0x002b 322 #define CMD_FINDNEXTTLV 0x002c 323 #define CMD_PSPNODES 0x0030 324 #define CMD_SETCW 0x0031 325 #define CMD_SETPCF 0x0032 326 #define CMD_SETPHYREG 0x003e 327 #define CMD_TXTEST 0x003f 328 #define MAC_ENABLETX 0x0101 329 #define CMD_LISTBSS 0x0103 330 #define CMD_SAVECFG 0x0108 331 #define CMD_ENABLEAUX 0x0111 332 #define CMD_WRITERID 0x0121 333 #define CMD_USEPSPNODES 0x0130 334 #define MAC_ENABLERX 0x0201 335 336 /* Command errors */ 337 #define ERROR_QUALIF 0x00 338 #define ERROR_ILLCMD 0x01 339 #define ERROR_ILLFMT 0x02 340 #define ERROR_INVFID 0x03 341 #define ERROR_INVRID 0x04 342 #define ERROR_LARGE 0x05 343 #define ERROR_NDISABL 0x06 344 #define ERROR_ALLOCBSY 0x07 345 #define ERROR_NORD 0x0B 346 #define ERROR_NOWR 0x0C 347 #define ERROR_INVFIDTX 0x0D 348 #define ERROR_TESTACT 0x0E 349 #define ERROR_TAGNFND 0x12 350 #define ERROR_DECODE 0x20 351 #define ERROR_DESCUNAV 0x21 352 #define ERROR_BADLEN 0x22 353 #define ERROR_MODE 0x80 354 #define ERROR_HOP 0x81 355 #define ERROR_BINTER 0x82 356 #define ERROR_RXMODE 0x83 357 #define ERROR_MACADDR 0x84 358 #define ERROR_RATES 0x85 359 #define ERROR_ORDER 0x86 360 #define ERROR_SCAN 0x87 361 #define ERROR_AUTH 0x88 362 #define ERROR_PSMODE 0x89 363 #define ERROR_RTYPE 0x8A 364 #define ERROR_DIVER 0x8B 365 #define ERROR_SSID 0x8C 366 #define ERROR_APLIST 0x8D 367 #define ERROR_AUTOWAKE 0x8E 368 #define ERROR_LEAP 0x8F 369 370 /* Registers */ 371 #define COMMAND 0x00 372 #define PARAM0 0x02 373 #define PARAM1 0x04 374 #define PARAM2 0x06 375 #define STATUS 0x08 376 #define RESP0 0x0a 377 #define RESP1 0x0c 378 #define RESP2 0x0e 379 #define LINKSTAT 0x10 380 #define SELECT0 0x18 381 #define OFFSET0 0x1c 382 #define RXFID 0x20 383 #define TXALLOCFID 0x22 384 #define TXCOMPLFID 0x24 385 #define DATA0 0x36 386 #define EVSTAT 0x30 387 #define EVINTEN 0x32 388 #define EVACK 0x34 389 #define SWS0 0x28 390 #define SWS1 0x2a 391 #define SWS2 0x2c 392 #define SWS3 0x2e 393 #define AUXPAGE 0x3A 394 #define AUXOFF 0x3C 395 #define AUXDATA 0x3E 396 397 #define FID_TX 1 398 #define FID_RX 2 399 /* Offset into aux memory for descriptors */ 400 #define AUX_OFFSET 0x800 401 /* Size of allocated packets */ 402 #define PKTSIZE 1840 403 #define RIDSIZE 2048 404 /* Size of the transmit queue */ 405 #define MAXTXQ 64 406 407 /* BAP selectors */ 408 #define BAP0 0 /* Used for receiving packets */ 409 #define BAP1 2 /* Used for xmiting packets and working with RIDS */ 410 411 /* Flags */ 412 #define COMMAND_BUSY 0x8000 413 414 #define BAP_BUSY 0x8000 415 #define BAP_ERR 0x4000 416 #define BAP_DONE 0x2000 417 418 #define PROMISC 0xffff 419 #define NOPROMISC 0x0000 420 421 #define EV_CMD 0x10 422 #define EV_CLEARCOMMANDBUSY 0x4000 423 #define EV_RX 0x01 424 #define EV_TX 0x02 425 #define EV_TXEXC 0x04 426 #define EV_ALLOC 0x08 427 #define EV_LINK 0x80 428 #define EV_AWAKE 0x100 429 #define EV_TXCPY 0x400 430 #define EV_UNKNOWN 0x800 431 #define EV_MIC 0x1000 /* Message Integrity Check Interrupt */ 432 #define EV_AWAKEN 0x2000 433 #define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC) 434 435 #ifdef CHECK_UNKNOWN_INTS 436 #define IGNORE_INTS (EV_CMD | EV_UNKNOWN) 437 #else 438 #define IGNORE_INTS (~STATUS_INTS) 439 #endif 440 441 /* RID TYPES */ 442 #define RID_RW 0x20 443 444 /* The RIDs */ 445 #define RID_CAPABILITIES 0xFF00 446 #define RID_APINFO 0xFF01 447 #define RID_RADIOINFO 0xFF02 448 #define RID_UNKNOWN3 0xFF03 449 #define RID_RSSI 0xFF04 450 #define RID_CONFIG 0xFF10 451 #define RID_SSID 0xFF11 452 #define RID_APLIST 0xFF12 453 #define RID_DRVNAME 0xFF13 454 #define RID_ETHERENCAP 0xFF14 455 #define RID_WEP_TEMP 0xFF15 456 #define RID_WEP_PERM 0xFF16 457 #define RID_MODULATION 0xFF17 458 #define RID_OPTIONS 0xFF18 459 #define RID_ACTUALCONFIG 0xFF20 /*readonly*/ 460 #define RID_FACTORYCONFIG 0xFF21 461 #define RID_UNKNOWN22 0xFF22 462 #define RID_LEAPUSERNAME 0xFF23 463 #define RID_LEAPPASSWORD 0xFF24 464 #define RID_STATUS 0xFF50 465 #define RID_BEACON_HST 0xFF51 466 #define RID_BUSY_HST 0xFF52 467 #define RID_RETRIES_HST 0xFF53 468 #define RID_UNKNOWN54 0xFF54 469 #define RID_UNKNOWN55 0xFF55 470 #define RID_UNKNOWN56 0xFF56 471 #define RID_MIC 0xFF57 472 #define RID_STATS16 0xFF60 473 #define RID_STATS16DELTA 0xFF61 474 #define RID_STATS16DELTACLEAR 0xFF62 475 #define RID_STATS 0xFF68 476 #define RID_STATSDELTA 0xFF69 477 #define RID_STATSDELTACLEAR 0xFF6A 478 #define RID_ECHOTEST_RID 0xFF70 479 #define RID_ECHOTEST_RESULTS 0xFF71 480 #define RID_BSSLISTFIRST 0xFF72 481 #define RID_BSSLISTNEXT 0xFF73 482 #define RID_WPA_BSSLISTFIRST 0xFF74 483 #define RID_WPA_BSSLISTNEXT 0xFF75 484 485 typedef struct { 486 u16 cmd; 487 u16 parm0; 488 u16 parm1; 489 u16 parm2; 490 } Cmd; 491 492 typedef struct { 493 u16 status; 494 u16 rsp0; 495 u16 rsp1; 496 u16 rsp2; 497 } Resp; 498 499 /* 500 * Rids and endian-ness: The Rids will always be in cpu endian, since 501 * this all the patches from the big-endian guys end up doing that. 502 * so all rid access should use the read/writeXXXRid routines. 503 */ 504 505 /* This structure came from an email sent to me from an engineer at 506 aironet for inclusion into this driver */ 507 typedef struct WepKeyRid WepKeyRid; 508 struct WepKeyRid { 509 __le16 len; 510 __le16 kindex; 511 u8 mac[ETH_ALEN]; 512 __le16 klen; 513 u8 key[16]; 514 } __packed; 515 516 /* These structures are from the Aironet's PC4500 Developers Manual */ 517 typedef struct Ssid Ssid; 518 struct Ssid { 519 __le16 len; 520 u8 ssid[32]; 521 } __packed; 522 523 typedef struct SsidRid SsidRid; 524 struct SsidRid { 525 __le16 len; 526 Ssid ssids[3]; 527 } __packed; 528 529 typedef struct ModulationRid ModulationRid; 530 struct ModulationRid { 531 __le16 len; 532 __le16 modulation; 533 #define MOD_DEFAULT cpu_to_le16(0) 534 #define MOD_CCK cpu_to_le16(1) 535 #define MOD_MOK cpu_to_le16(2) 536 } __packed; 537 538 typedef struct ConfigRid ConfigRid; 539 struct ConfigRid { 540 __le16 len; /* sizeof(ConfigRid) */ 541 __le16 opmode; /* operating mode */ 542 #define MODE_STA_IBSS cpu_to_le16(0) 543 #define MODE_STA_ESS cpu_to_le16(1) 544 #define MODE_AP cpu_to_le16(2) 545 #define MODE_AP_RPTR cpu_to_le16(3) 546 #define MODE_CFG_MASK cpu_to_le16(0xff) 547 #define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */ 548 #define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */ 549 #define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */ 550 #define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */ 551 #define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */ 552 #define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */ 553 #define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */ 554 #define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */ 555 #define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */ 556 __le16 rmode; /* receive mode */ 557 #define RXMODE_BC_MC_ADDR cpu_to_le16(0) 558 #define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */ 559 #define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */ 560 #define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */ 561 #define RXMODE_RFMON_ANYBSS cpu_to_le16(4) 562 #define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */ 563 #define RXMODE_MASK cpu_to_le16(255) 564 #define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */ 565 #define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER) 566 #define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */ 567 __le16 fragThresh; 568 __le16 rtsThres; 569 u8 macAddr[ETH_ALEN]; 570 u8 rates[8]; 571 __le16 shortRetryLimit; 572 __le16 longRetryLimit; 573 __le16 txLifetime; /* in kusec */ 574 __le16 rxLifetime; /* in kusec */ 575 __le16 stationary; 576 __le16 ordering; 577 __le16 u16deviceType; /* for overriding device type */ 578 __le16 cfpRate; 579 __le16 cfpDuration; 580 __le16 _reserved1[3]; 581 /*---------- Scanning/Associating ----------*/ 582 __le16 scanMode; 583 #define SCANMODE_ACTIVE cpu_to_le16(0) 584 #define SCANMODE_PASSIVE cpu_to_le16(1) 585 #define SCANMODE_AIROSCAN cpu_to_le16(2) 586 __le16 probeDelay; /* in kusec */ 587 __le16 probeEnergyTimeout; /* in kusec */ 588 __le16 probeResponseTimeout; 589 __le16 beaconListenTimeout; 590 __le16 joinNetTimeout; 591 __le16 authTimeout; 592 __le16 authType; 593 #define AUTH_OPEN cpu_to_le16(0x1) 594 #define AUTH_ENCRYPT cpu_to_le16(0x101) 595 #define AUTH_SHAREDKEY cpu_to_le16(0x102) 596 #define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200) 597 __le16 associationTimeout; 598 __le16 specifiedApTimeout; 599 __le16 offlineScanInterval; 600 __le16 offlineScanDuration; 601 __le16 linkLossDelay; 602 __le16 maxBeaconLostTime; 603 __le16 refreshInterval; 604 #define DISABLE_REFRESH cpu_to_le16(0xFFFF) 605 __le16 _reserved1a[1]; 606 /*---------- Power save operation ----------*/ 607 __le16 powerSaveMode; 608 #define POWERSAVE_CAM cpu_to_le16(0) 609 #define POWERSAVE_PSP cpu_to_le16(1) 610 #define POWERSAVE_PSPCAM cpu_to_le16(2) 611 __le16 sleepForDtims; 612 __le16 listenInterval; 613 __le16 fastListenInterval; 614 __le16 listenDecay; 615 __le16 fastListenDelay; 616 __le16 _reserved2[2]; 617 /*---------- Ap/Ibss config items ----------*/ 618 __le16 beaconPeriod; 619 __le16 atimDuration; 620 __le16 hopPeriod; 621 __le16 channelSet; 622 __le16 channel; 623 __le16 dtimPeriod; 624 __le16 bridgeDistance; 625 __le16 radioID; 626 /*---------- Radio configuration ----------*/ 627 __le16 radioType; 628 #define RADIOTYPE_DEFAULT cpu_to_le16(0) 629 #define RADIOTYPE_802_11 cpu_to_le16(1) 630 #define RADIOTYPE_LEGACY cpu_to_le16(2) 631 u8 rxDiversity; 632 u8 txDiversity; 633 __le16 txPower; 634 #define TXPOWER_DEFAULT 0 635 __le16 rssiThreshold; 636 #define RSSI_DEFAULT 0 637 __le16 modulation; 638 #define PREAMBLE_AUTO cpu_to_le16(0) 639 #define PREAMBLE_LONG cpu_to_le16(1) 640 #define PREAMBLE_SHORT cpu_to_le16(2) 641 __le16 preamble; 642 __le16 homeProduct; 643 __le16 radioSpecific; 644 /*---------- Aironet Extensions ----------*/ 645 u8 nodeName[16]; 646 __le16 arlThreshold; 647 __le16 arlDecay; 648 __le16 arlDelay; 649 __le16 _reserved4[1]; 650 /*---------- Aironet Extensions ----------*/ 651 u8 magicAction; 652 #define MAGIC_ACTION_STSCHG 1 653 #define MAGIC_ACTION_RESUME 2 654 #define MAGIC_IGNORE_MCAST (1<<8) 655 #define MAGIC_IGNORE_BCAST (1<<9) 656 #define MAGIC_SWITCH_TO_PSP (0<<10) 657 #define MAGIC_STAY_IN_CAM (1<<10) 658 u8 magicControl; 659 __le16 autoWake; 660 } __packed; 661 662 typedef struct StatusRid StatusRid; 663 struct StatusRid { 664 __le16 len; 665 u8 mac[ETH_ALEN]; 666 __le16 mode; 667 __le16 errorCode; 668 __le16 sigQuality; 669 __le16 SSIDlen; 670 char SSID[32]; 671 char apName[16]; 672 u8 bssid[4][ETH_ALEN]; 673 __le16 beaconPeriod; 674 __le16 dimPeriod; 675 __le16 atimDuration; 676 __le16 hopPeriod; 677 __le16 channelSet; 678 __le16 channel; 679 __le16 hopsToBackbone; 680 __le16 apTotalLoad; 681 __le16 generatedLoad; 682 __le16 accumulatedArl; 683 __le16 signalQuality; 684 __le16 currentXmitRate; 685 __le16 apDevExtensions; 686 __le16 normalizedSignalStrength; 687 __le16 shortPreamble; 688 u8 apIP[4]; 689 u8 noisePercent; /* Noise percent in last second */ 690 u8 noisedBm; /* Noise dBm in last second */ 691 u8 noiseAvePercent; /* Noise percent in last minute */ 692 u8 noiseAvedBm; /* Noise dBm in last minute */ 693 u8 noiseMaxPercent; /* Highest noise percent in last minute */ 694 u8 noiseMaxdBm; /* Highest noise dbm in last minute */ 695 __le16 load; 696 u8 carrier[4]; 697 __le16 assocStatus; 698 #define STAT_NOPACKETS 0 699 #define STAT_NOCARRIERSET 10 700 #define STAT_GOTCARRIERSET 11 701 #define STAT_WRONGSSID 20 702 #define STAT_BADCHANNEL 25 703 #define STAT_BADBITRATES 30 704 #define STAT_BADPRIVACY 35 705 #define STAT_APFOUND 40 706 #define STAT_APREJECTED 50 707 #define STAT_AUTHENTICATING 60 708 #define STAT_DEAUTHENTICATED 61 709 #define STAT_AUTHTIMEOUT 62 710 #define STAT_ASSOCIATING 70 711 #define STAT_DEASSOCIATED 71 712 #define STAT_ASSOCTIMEOUT 72 713 #define STAT_NOTAIROAP 73 714 #define STAT_ASSOCIATED 80 715 #define STAT_LEAPING 90 716 #define STAT_LEAPFAILED 91 717 #define STAT_LEAPTIMEDOUT 92 718 #define STAT_LEAPCOMPLETE 93 719 } __packed; 720 721 typedef struct StatsRid StatsRid; 722 struct StatsRid { 723 __le16 len; 724 __le16 spacer; 725 __le32 vals[100]; 726 } __packed; 727 728 typedef struct APListRid APListRid; 729 struct APListRid { 730 __le16 len; 731 u8 ap[4][ETH_ALEN]; 732 } __packed; 733 734 typedef struct CapabilityRid CapabilityRid; 735 struct CapabilityRid { 736 __le16 len; 737 char oui[3]; 738 char zero; 739 __le16 prodNum; 740 char manName[32]; 741 char prodName[16]; 742 char prodVer[8]; 743 char factoryAddr[ETH_ALEN]; 744 char aironetAddr[ETH_ALEN]; 745 __le16 radioType; 746 __le16 country; 747 char callid[ETH_ALEN]; 748 char supportedRates[8]; 749 char rxDiversity; 750 char txDiversity; 751 __le16 txPowerLevels[8]; 752 __le16 hardVer; 753 __le16 hardCap; 754 __le16 tempRange; 755 __le16 softVer; 756 __le16 softSubVer; 757 __le16 interfaceVer; 758 __le16 softCap; 759 __le16 bootBlockVer; 760 __le16 requiredHard; 761 __le16 extSoftCap; 762 } __packed; 763 764 /* Only present on firmware >= 5.30.17 */ 765 typedef struct BSSListRidExtra BSSListRidExtra; 766 struct BSSListRidExtra { 767 __le16 unknown[4]; 768 u8 fixed[12]; /* WLAN management frame */ 769 u8 iep[624]; 770 } __packed; 771 772 typedef struct BSSListRid BSSListRid; 773 struct BSSListRid { 774 __le16 len; 775 __le16 index; /* First is 0 and 0xffff means end of list */ 776 #define RADIO_FH 1 /* Frequency hopping radio type */ 777 #define RADIO_DS 2 /* Direct sequence radio type */ 778 #define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */ 779 __le16 radioType; 780 u8 bssid[ETH_ALEN]; /* Mac address of the BSS */ 781 u8 zero; 782 u8 ssidLen; 783 u8 ssid[32]; 784 __le16 dBm; 785 #define CAP_ESS cpu_to_le16(1<<0) 786 #define CAP_IBSS cpu_to_le16(1<<1) 787 #define CAP_PRIVACY cpu_to_le16(1<<4) 788 #define CAP_SHORTHDR cpu_to_le16(1<<5) 789 __le16 cap; 790 __le16 beaconInterval; 791 u8 rates[8]; /* Same as rates for config rid */ 792 struct { /* For frequency hopping only */ 793 __le16 dwell; 794 u8 hopSet; 795 u8 hopPattern; 796 u8 hopIndex; 797 u8 fill; 798 } fh; 799 __le16 dsChannel; 800 __le16 atimWindow; 801 802 /* Only present on firmware >= 5.30.17 */ 803 BSSListRidExtra extra; 804 } __packed; 805 806 typedef struct { 807 BSSListRid bss; 808 struct list_head list; 809 } BSSListElement; 810 811 typedef struct tdsRssiEntry tdsRssiEntry; 812 struct tdsRssiEntry { 813 u8 rssipct; 814 u8 rssidBm; 815 } __packed; 816 817 typedef struct tdsRssiRid tdsRssiRid; 818 struct tdsRssiRid { 819 u16 len; 820 tdsRssiEntry x[256]; 821 } __packed; 822 823 typedef struct MICRid MICRid; 824 struct MICRid { 825 __le16 len; 826 __le16 state; 827 __le16 multicastValid; 828 u8 multicast[16]; 829 __le16 unicastValid; 830 u8 unicast[16]; 831 } __packed; 832 833 typedef struct MICBuffer MICBuffer; 834 struct MICBuffer { 835 __be16 typelen; 836 837 union { 838 u8 snap[8]; 839 struct { 840 u8 dsap; 841 u8 ssap; 842 u8 control; 843 u8 orgcode[3]; 844 u8 fieldtype[2]; 845 } llc; 846 } u; 847 __be32 mic; 848 __be32 seq; 849 } __packed; 850 851 typedef struct { 852 u8 da[ETH_ALEN]; 853 u8 sa[ETH_ALEN]; 854 } etherHead; 855 856 #define TXCTL_TXOK (1<<1) /* report if tx is ok */ 857 #define TXCTL_TXEX (1<<2) /* report if tx fails */ 858 #define TXCTL_802_3 (0<<3) /* 802.3 packet */ 859 #define TXCTL_802_11 (1<<3) /* 802.11 mac packet */ 860 #define TXCTL_ETHERNET (0<<4) /* payload has ethertype */ 861 #define TXCTL_LLC (1<<4) /* payload is llc */ 862 #define TXCTL_RELEASE (0<<5) /* release after completion */ 863 #define TXCTL_NORELEASE (1<<5) /* on completion returns to host */ 864 865 #define BUSY_FID 0x10000 866 867 #ifdef CISCO_EXT 868 #define AIROMAGIC 0xa55a 869 /* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */ 870 #ifdef SIOCIWFIRSTPRIV 871 #ifdef SIOCDEVPRIVATE 872 #define AIROOLDIOCTL SIOCDEVPRIVATE 873 #define AIROOLDIDIFC AIROOLDIOCTL + 1 874 #endif /* SIOCDEVPRIVATE */ 875 #else /* SIOCIWFIRSTPRIV */ 876 #define SIOCIWFIRSTPRIV SIOCDEVPRIVATE 877 #endif /* SIOCIWFIRSTPRIV */ 878 /* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably 879 * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root 880 * only and don't return the modified struct ifreq to the application which 881 * is usually a problem. - Jean II */ 882 #define AIROIOCTL SIOCIWFIRSTPRIV 883 #define AIROIDIFC AIROIOCTL + 1 884 885 /* Ioctl constants to be used in airo_ioctl.command */ 886 887 #define AIROGCAP 0 // Capability rid 888 #define AIROGCFG 1 // USED A LOT 889 #define AIROGSLIST 2 // System ID list 890 #define AIROGVLIST 3 // List of specified AP's 891 #define AIROGDRVNAM 4 // NOTUSED 892 #define AIROGEHTENC 5 // NOTUSED 893 #define AIROGWEPKTMP 6 894 #define AIROGWEPKNV 7 895 #define AIROGSTAT 8 896 #define AIROGSTATSC32 9 897 #define AIROGSTATSD32 10 898 #define AIROGMICRID 11 899 #define AIROGMICSTATS 12 900 #define AIROGFLAGS 13 901 #define AIROGID 14 902 #define AIRORRID 15 903 #define AIRORSWVERSION 17 904 905 /* Leave gap of 40 commands after AIROGSTATSD32 for future */ 906 907 #define AIROPCAP AIROGSTATSD32 + 40 908 #define AIROPVLIST AIROPCAP + 1 909 #define AIROPSLIST AIROPVLIST + 1 910 #define AIROPCFG AIROPSLIST + 1 911 #define AIROPSIDS AIROPCFG + 1 912 #define AIROPAPLIST AIROPSIDS + 1 913 #define AIROPMACON AIROPAPLIST + 1 /* Enable mac */ 914 #define AIROPMACOFF AIROPMACON + 1 /* Disable mac */ 915 #define AIROPSTCLR AIROPMACOFF + 1 916 #define AIROPWEPKEY AIROPSTCLR + 1 917 #define AIROPWEPKEYNV AIROPWEPKEY + 1 918 #define AIROPLEAPPWD AIROPWEPKEYNV + 1 919 #define AIROPLEAPUSR AIROPLEAPPWD + 1 920 921 /* Flash codes */ 922 923 #define AIROFLSHRST AIROPWEPKEYNV + 40 924 #define AIROFLSHGCHR AIROFLSHRST + 1 925 #define AIROFLSHSTFL AIROFLSHGCHR + 1 926 #define AIROFLSHPCHR AIROFLSHSTFL + 1 927 #define AIROFLPUTBUF AIROFLSHPCHR + 1 928 #define AIRORESTART AIROFLPUTBUF + 1 929 930 #define FLASHSIZE 32768 931 #define AUXMEMSIZE (256 * 1024) 932 933 typedef struct aironet_ioctl { 934 unsigned short command; // What to do 935 unsigned short len; // Len of data 936 unsigned short ridnum; // rid number 937 unsigned char __user *data; // d-data 938 } aironet_ioctl; 939 940 static const char swversion[] = "2.1"; 941 #endif /* CISCO_EXT */ 942 943 #define NUM_MODULES 2 944 #define MIC_MSGLEN_MAX 2400 945 #define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX 946 #define AIRO_DEF_MTU 2312 947 948 typedef struct { 949 u32 size; // size 950 u8 enabled; // MIC enabled or not 951 u32 rxSuccess; // successful packets received 952 u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison 953 u32 rxNotMICed; // pkts dropped due to not being MIC'd 954 u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed 955 u32 rxWrongSequence; // pkts dropped due to sequence number violation 956 u32 reserve[32]; 957 } mic_statistics; 958 959 typedef struct { 960 __be32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2]; 961 u64 accum; // accumulated mic, reduced to u32 in final() 962 int position; // current position (byte offset) in message 963 union { 964 u8 d8[4]; 965 __be32 d32; 966 } part; // saves partial message word across update() calls 967 } emmh32_context; 968 969 typedef struct { 970 emmh32_context seed; // Context - the seed 971 u32 rx; // Received sequence number 972 u32 tx; // Tx sequence number 973 u32 window; // Start of window 974 u8 valid; // Flag to say if context is valid or not 975 u8 key[16]; 976 } miccntx; 977 978 typedef struct { 979 miccntx mCtx; // Multicast context 980 miccntx uCtx; // Unicast context 981 } mic_module; 982 983 typedef struct { 984 unsigned int rid: 16; 985 unsigned int len: 15; 986 unsigned int valid: 1; 987 dma_addr_t host_addr; 988 } Rid; 989 990 typedef struct { 991 unsigned int offset: 15; 992 unsigned int eoc: 1; 993 unsigned int len: 15; 994 unsigned int valid: 1; 995 dma_addr_t host_addr; 996 } TxFid; 997 998 struct rx_hdr { 999 __le16 status, len; 1000 u8 rssi[2]; 1001 u8 rate; 1002 u8 freq; 1003 __le16 tmp[4]; 1004 } __packed; 1005 1006 typedef struct { 1007 unsigned int ctl: 15; 1008 unsigned int rdy: 1; 1009 unsigned int len: 15; 1010 unsigned int valid: 1; 1011 dma_addr_t host_addr; 1012 } RxFid; 1013 1014 /* 1015 * Host receive descriptor 1016 */ 1017 typedef struct { 1018 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1019 desc */ 1020 RxFid rx_desc; /* card receive descriptor */ 1021 char *virtual_host_addr; /* virtual address of host receive 1022 buffer */ 1023 int pending; 1024 } HostRxDesc; 1025 1026 /* 1027 * Host transmit descriptor 1028 */ 1029 typedef struct { 1030 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1031 desc */ 1032 TxFid tx_desc; /* card transmit descriptor */ 1033 char *virtual_host_addr; /* virtual address of host receive 1034 buffer */ 1035 int pending; 1036 } HostTxDesc; 1037 1038 /* 1039 * Host RID descriptor 1040 */ 1041 typedef struct { 1042 unsigned char __iomem *card_ram_off; /* offset into card memory of the 1043 descriptor */ 1044 Rid rid_desc; /* card RID descriptor */ 1045 char *virtual_host_addr; /* virtual address of host receive 1046 buffer */ 1047 } HostRidDesc; 1048 1049 typedef struct { 1050 u16 sw0; 1051 u16 sw1; 1052 u16 status; 1053 u16 len; 1054 #define HOST_SET (1 << 0) 1055 #define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */ 1056 #define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */ 1057 #define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */ 1058 #define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */ 1059 #define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */ 1060 #define HOST_CLR_AID (1 << 7) /* clear AID failure */ 1061 #define HOST_RTS (1 << 9) /* Force RTS use */ 1062 #define HOST_SHORT (1 << 10) /* Do short preamble */ 1063 u16 ctl; 1064 u16 aid; 1065 u16 retries; 1066 u16 fill; 1067 } TxCtlHdr; 1068 1069 typedef struct { 1070 u16 ctl; 1071 u16 duration; 1072 char addr1[6]; 1073 char addr2[6]; 1074 char addr3[6]; 1075 u16 seq; 1076 char addr4[6]; 1077 } WifiHdr; 1078 1079 1080 typedef struct { 1081 TxCtlHdr ctlhdr; 1082 u16 fill1; 1083 u16 fill2; 1084 WifiHdr wifihdr; 1085 u16 gaplen; 1086 u16 status; 1087 } WifiCtlHdr; 1088 1089 static WifiCtlHdr wifictlhdr8023 = { 1090 .ctlhdr = { 1091 .ctl = HOST_DONT_RLSE, 1092 } 1093 }; 1094 1095 // A few details needed for WEP (Wireless Equivalent Privacy) 1096 #define MAX_KEY_SIZE 13 // 128 (?) bits 1097 #define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP 1098 typedef struct wep_key_t { 1099 u16 len; 1100 u8 key[16]; /* 40-bit and 104-bit keys */ 1101 } wep_key_t; 1102 1103 /* List of Wireless Handlers (new API) */ 1104 static const struct iw_handler_def airo_handler_def; 1105 1106 static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)"; 1107 1108 struct airo_info; 1109 1110 static int get_dec_u16(char *buffer, int *start, int limit); 1111 static void OUT4500(struct airo_info *, u16 reg, u16 value); 1112 static unsigned short IN4500(struct airo_info *, u16 reg); 1113 static u16 setup_card(struct airo_info*, u8 *mac, int lock); 1114 static int enable_MAC(struct airo_info *ai, int lock); 1115 static void disable_MAC(struct airo_info *ai, int lock); 1116 static void enable_interrupts(struct airo_info*); 1117 static void disable_interrupts(struct airo_info*); 1118 static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp); 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 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket); 1135 1136 static int mpi_send_packet(struct net_device *dev); 1137 static void mpi_unmap_card(struct pci_dev *pci); 1138 static void mpi_receive_802_3(struct airo_info *ai); 1139 static void mpi_receive_802_11(struct airo_info *ai); 1140 static int waitbusy(struct airo_info *ai); 1141 1142 static irqreturn_t airo_interrupt(int irq, void* dev_id); 1143 static int airo_thread(void *data); 1144 static void timer_func(struct net_device *dev); 1145 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 1146 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev); 1147 static void airo_read_wireless_stats(struct airo_info *local); 1148 #ifdef CISCO_EXT 1149 static int readrids(struct net_device *dev, aironet_ioctl *comp); 1150 static int writerids(struct net_device *dev, aironet_ioctl *comp); 1151 static int flashcard(struct net_device *dev, aironet_ioctl *comp); 1152 #endif /* CISCO_EXT */ 1153 static void micinit(struct airo_info *ai); 1154 static int micsetup(struct airo_info *ai); 1155 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len); 1156 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen); 1157 1158 static u8 airo_rssi_to_dbm(tdsRssiEntry *rssi_rid, u8 rssi); 1159 static u8 airo_dbm_to_pct(tdsRssiEntry *rssi_rid, u8 dbm); 1160 1161 static void airo_networks_free(struct airo_info *ai); 1162 1163 struct airo_info { 1164 struct net_device *dev; 1165 struct list_head dev_list; 1166 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we 1167 use the high bit to mark whether it is in use. */ 1168 #define MAX_FIDS 6 1169 #define MPI_MAX_FIDS 1 1170 u32 fids[MAX_FIDS]; 1171 ConfigRid config; 1172 char keyindex; // Used with auto wep 1173 char defindex; // Used with auto wep 1174 struct proc_dir_entry *proc_entry; 1175 spinlock_t aux_lock; 1176 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */ 1177 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */ 1178 #define FLAG_RADIO_MASK 0x03 1179 #define FLAG_ENABLED 2 1180 #define FLAG_ADHOC 3 /* Needed by MIC */ 1181 #define FLAG_MIC_CAPABLE 4 1182 #define FLAG_UPDATE_MULTI 5 1183 #define FLAG_UPDATE_UNI 6 1184 #define FLAG_802_11 7 1185 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ 1186 #define FLAG_PENDING_XMIT 9 1187 #define FLAG_PENDING_XMIT11 10 1188 #define FLAG_MPI 11 1189 #define FLAG_REGISTERED 12 1190 #define FLAG_COMMIT 13 1191 #define FLAG_RESET 14 1192 #define FLAG_FLASHING 15 1193 #define FLAG_WPA_CAPABLE 16 1194 unsigned long flags; 1195 #define JOB_DIE 0 1196 #define JOB_XMIT 1 1197 #define JOB_XMIT11 2 1198 #define JOB_STATS 3 1199 #define JOB_PROMISC 4 1200 #define JOB_MIC 5 1201 #define JOB_EVENT 6 1202 #define JOB_AUTOWEP 7 1203 #define JOB_WSTATS 8 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); 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) 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); 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); 2170 return NETDEV_TX_OK; 2171 } 2172 2173 static void airo_end_xmit11(struct net_device *dev) 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); 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); 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 /* Get stats out of the card if available */ 2292 if (down_trylock(&local->sem) != 0) { 2293 set_bit(JOB_STATS, &local->jobs); 2294 wake_up_interruptible(&local->thr_wait); 2295 } else 2296 airo_read_stats(dev); 2297 } 2298 2299 return &dev->stats; 2300 } 2301 2302 static void airo_set_promisc(struct airo_info *ai) 2303 { 2304 Cmd cmd; 2305 Resp rsp; 2306 2307 memset(&cmd, 0, sizeof(cmd)); 2308 cmd.cmd = CMD_SETMODE; 2309 clear_bit(JOB_PROMISC, &ai->jobs); 2310 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC; 2311 issuecommand(ai, &cmd, &rsp); 2312 up(&ai->sem); 2313 } 2314 2315 static void airo_set_multicast_list(struct net_device *dev) 2316 { 2317 struct airo_info *ai = dev->ml_priv; 2318 2319 if ((dev->flags ^ ai->flags) & IFF_PROMISC) { 2320 change_bit(FLAG_PROMISC, &ai->flags); 2321 if (down_trylock(&ai->sem) != 0) { 2322 set_bit(JOB_PROMISC, &ai->jobs); 2323 wake_up_interruptible(&ai->thr_wait); 2324 } else 2325 airo_set_promisc(ai); 2326 } 2327 2328 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) { 2329 /* Turn on multicast. (Should be already setup...) */ 2330 } 2331 } 2332 2333 static int airo_set_mac_address(struct net_device *dev, void *p) 2334 { 2335 struct airo_info *ai = dev->ml_priv; 2336 struct sockaddr *addr = p; 2337 2338 readConfigRid(ai, 1); 2339 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len); 2340 set_bit (FLAG_COMMIT, &ai->flags); 2341 disable_MAC(ai, 1); 2342 writeConfigRid (ai, 1); 2343 enable_MAC(ai, 1); 2344 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len); 2345 if (ai->wifidev) 2346 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len); 2347 return 0; 2348 } 2349 2350 static LIST_HEAD(airo_devices); 2351 2352 static void add_airo_dev(struct airo_info *ai) 2353 { 2354 /* Upper layers already keep track of PCI devices, 2355 * so we only need to remember our non-PCI cards. */ 2356 if (!ai->pci) 2357 list_add_tail(&ai->dev_list, &airo_devices); 2358 } 2359 2360 static void del_airo_dev(struct airo_info *ai) 2361 { 2362 if (!ai->pci) 2363 list_del(&ai->dev_list); 2364 } 2365 2366 static int airo_close(struct net_device *dev) 2367 { 2368 struct airo_info *ai = dev->ml_priv; 2369 2370 netif_stop_queue(dev); 2371 2372 if (ai->wifidev != dev) { 2373 #ifdef POWER_ON_DOWN 2374 /* Shut power to the card. The idea is that the user can save 2375 * power when he doesn't need the card with "ifconfig down". 2376 * That's the method that is most friendly towards the network 2377 * stack (i.e. the network stack won't try to broadcast 2378 * anything on the interface and routes are gone. Jean II */ 2379 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2380 disable_MAC(ai, 1); 2381 #endif 2382 disable_interrupts(ai); 2383 2384 free_irq(dev->irq, dev); 2385 2386 set_bit(JOB_DIE, &ai->jobs); 2387 kthread_stop(ai->airo_thread_task); 2388 } 2389 return 0; 2390 } 2391 2392 void stop_airo_card(struct net_device *dev, int freeres) 2393 { 2394 struct airo_info *ai = dev->ml_priv; 2395 2396 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2397 disable_MAC(ai, 1); 2398 disable_interrupts(ai); 2399 takedown_proc_entry(dev, ai); 2400 if (test_bit(FLAG_REGISTERED, &ai->flags)) { 2401 unregister_netdev(dev); 2402 if (ai->wifidev) { 2403 unregister_netdev(ai->wifidev); 2404 free_netdev(ai->wifidev); 2405 ai->wifidev = NULL; 2406 } 2407 clear_bit(FLAG_REGISTERED, &ai->flags); 2408 } 2409 /* 2410 * Clean out tx queue 2411 */ 2412 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) { 2413 struct sk_buff *skb = NULL; 2414 for (;(skb = skb_dequeue(&ai->txq));) 2415 dev_kfree_skb(skb); 2416 } 2417 2418 airo_networks_free (ai); 2419 2420 kfree(ai->flash); 2421 kfree(ai->rssi); 2422 kfree(ai->SSID); 2423 if (freeres) { 2424 /* PCMCIA frees this stuff, so only for PCI and ISA */ 2425 release_region(dev->base_addr, 64); 2426 if (test_bit(FLAG_MPI, &ai->flags)) { 2427 if (ai->pci) 2428 mpi_unmap_card(ai->pci); 2429 if (ai->pcimem) 2430 iounmap(ai->pcimem); 2431 if (ai->pciaux) 2432 iounmap(ai->pciaux); 2433 pci_free_consistent(ai->pci, PCI_SHARED_LEN, 2434 ai->shared, ai->shared_dma); 2435 } 2436 } 2437 crypto_free_sync_skcipher(ai->tfm); 2438 del_airo_dev(ai); 2439 free_netdev(dev); 2440 } 2441 2442 EXPORT_SYMBOL(stop_airo_card); 2443 2444 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr) 2445 { 2446 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); 2447 return ETH_ALEN; 2448 } 2449 2450 static void mpi_unmap_card(struct pci_dev *pci) 2451 { 2452 unsigned long mem_start = pci_resource_start(pci, 1); 2453 unsigned long mem_len = pci_resource_len(pci, 1); 2454 unsigned long aux_start = pci_resource_start(pci, 2); 2455 unsigned long aux_len = AUXMEMSIZE; 2456 2457 release_mem_region(aux_start, aux_len); 2458 release_mem_region(mem_start, mem_len); 2459 } 2460 2461 /************************************************************* 2462 * This routine assumes that descriptors have been setup . 2463 * Run at insmod time or after reset when the descriptors 2464 * have been initialized . Returns 0 if all is well nz 2465 * otherwise . Does not allocate memory but sets up card 2466 * using previously allocated descriptors. 2467 */ 2468 static int mpi_init_descriptors (struct airo_info *ai) 2469 { 2470 Cmd cmd; 2471 Resp rsp; 2472 int i; 2473 int rc = SUCCESS; 2474 2475 /* Alloc card RX descriptors */ 2476 netif_stop_queue(ai->dev); 2477 2478 memset(&rsp, 0, sizeof(rsp)); 2479 memset(&cmd, 0, sizeof(cmd)); 2480 2481 cmd.cmd = CMD_ALLOCATEAUX; 2482 cmd.parm0 = FID_RX; 2483 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux); 2484 cmd.parm2 = MPI_MAX_FIDS; 2485 rc = issuecommand(ai, &cmd, &rsp); 2486 if (rc != SUCCESS) { 2487 airo_print_err(ai->dev->name, "Couldn't allocate RX FID"); 2488 return rc; 2489 } 2490 2491 for (i = 0; i<MPI_MAX_FIDS; i++) { 2492 memcpy_toio(ai->rxfids[i].card_ram_off, 2493 &ai->rxfids[i].rx_desc, sizeof(RxFid)); 2494 } 2495 2496 /* Alloc card TX descriptors */ 2497 2498 memset(&rsp, 0, sizeof(rsp)); 2499 memset(&cmd, 0, sizeof(cmd)); 2500 2501 cmd.cmd = CMD_ALLOCATEAUX; 2502 cmd.parm0 = FID_TX; 2503 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux); 2504 cmd.parm2 = MPI_MAX_FIDS; 2505 2506 for (i = 0; i<MPI_MAX_FIDS; i++) { 2507 ai->txfids[i].tx_desc.valid = 1; 2508 memcpy_toio(ai->txfids[i].card_ram_off, 2509 &ai->txfids[i].tx_desc, sizeof(TxFid)); 2510 } 2511 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2512 2513 rc = issuecommand(ai, &cmd, &rsp); 2514 if (rc != SUCCESS) { 2515 airo_print_err(ai->dev->name, "Couldn't allocate TX FID"); 2516 return rc; 2517 } 2518 2519 /* Alloc card Rid descriptor */ 2520 memset(&rsp, 0, sizeof(rsp)); 2521 memset(&cmd, 0, sizeof(cmd)); 2522 2523 cmd.cmd = CMD_ALLOCATEAUX; 2524 cmd.parm0 = RID_RW; 2525 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux); 2526 cmd.parm2 = 1; /* Magic number... */ 2527 rc = issuecommand(ai, &cmd, &rsp); 2528 if (rc != SUCCESS) { 2529 airo_print_err(ai->dev->name, "Couldn't allocate RID"); 2530 return rc; 2531 } 2532 2533 memcpy_toio(ai->config_desc.card_ram_off, 2534 &ai->config_desc.rid_desc, sizeof(Rid)); 2535 2536 return rc; 2537 } 2538 2539 /* 2540 * We are setting up three things here: 2541 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid. 2542 * 2) Map PCI memory for issuing commands. 2543 * 3) Allocate memory (shared) to send and receive ethernet frames. 2544 */ 2545 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci) 2546 { 2547 unsigned long mem_start, mem_len, aux_start, aux_len; 2548 int rc = -1; 2549 int i; 2550 dma_addr_t busaddroff; 2551 unsigned char *vpackoff; 2552 unsigned char __iomem *pciaddroff; 2553 2554 mem_start = pci_resource_start(pci, 1); 2555 mem_len = pci_resource_len(pci, 1); 2556 aux_start = pci_resource_start(pci, 2); 2557 aux_len = AUXMEMSIZE; 2558 2559 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) { 2560 airo_print_err("", "Couldn't get region %x[%x]", 2561 (int)mem_start, (int)mem_len); 2562 goto out; 2563 } 2564 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) { 2565 airo_print_err("", "Couldn't get region %x[%x]", 2566 (int)aux_start, (int)aux_len); 2567 goto free_region1; 2568 } 2569 2570 ai->pcimem = ioremap(mem_start, mem_len); 2571 if (!ai->pcimem) { 2572 airo_print_err("", "Couldn't map region %x[%x]", 2573 (int)mem_start, (int)mem_len); 2574 goto free_region2; 2575 } 2576 ai->pciaux = ioremap(aux_start, aux_len); 2577 if (!ai->pciaux) { 2578 airo_print_err("", "Couldn't map region %x[%x]", 2579 (int)aux_start, (int)aux_len); 2580 goto free_memmap; 2581 } 2582 2583 /* Reserve PKTSIZE for each fid and 2K for the Rids */ 2584 ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma); 2585 if (!ai->shared) { 2586 airo_print_err("", "Couldn't alloc_consistent %d", 2587 PCI_SHARED_LEN); 2588 goto free_auxmap; 2589 } 2590 2591 /* 2592 * Setup descriptor RX, TX, CONFIG 2593 */ 2594 busaddroff = ai->shared_dma; 2595 pciaddroff = ai->pciaux + AUX_OFFSET; 2596 vpackoff = ai->shared; 2597 2598 /* RX descriptor setup */ 2599 for (i = 0; i < MPI_MAX_FIDS; i++) { 2600 ai->rxfids[i].pending = 0; 2601 ai->rxfids[i].card_ram_off = pciaddroff; 2602 ai->rxfids[i].virtual_host_addr = vpackoff; 2603 ai->rxfids[i].rx_desc.host_addr = busaddroff; 2604 ai->rxfids[i].rx_desc.valid = 1; 2605 ai->rxfids[i].rx_desc.len = PKTSIZE; 2606 ai->rxfids[i].rx_desc.rdy = 0; 2607 2608 pciaddroff += sizeof(RxFid); 2609 busaddroff += PKTSIZE; 2610 vpackoff += PKTSIZE; 2611 } 2612 2613 /* TX descriptor setup */ 2614 for (i = 0; i < MPI_MAX_FIDS; i++) { 2615 ai->txfids[i].card_ram_off = pciaddroff; 2616 ai->txfids[i].virtual_host_addr = vpackoff; 2617 ai->txfids[i].tx_desc.valid = 1; 2618 ai->txfids[i].tx_desc.host_addr = busaddroff; 2619 memcpy(ai->txfids[i].virtual_host_addr, 2620 &wifictlhdr8023, sizeof(wifictlhdr8023)); 2621 2622 pciaddroff += sizeof(TxFid); 2623 busaddroff += PKTSIZE; 2624 vpackoff += PKTSIZE; 2625 } 2626 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2627 2628 /* Rid descriptor setup */ 2629 ai->config_desc.card_ram_off = pciaddroff; 2630 ai->config_desc.virtual_host_addr = vpackoff; 2631 ai->config_desc.rid_desc.host_addr = busaddroff; 2632 ai->ridbus = busaddroff; 2633 ai->config_desc.rid_desc.rid = 0; 2634 ai->config_desc.rid_desc.len = RIDSIZE; 2635 ai->config_desc.rid_desc.valid = 1; 2636 pciaddroff += sizeof(Rid); 2637 busaddroff += RIDSIZE; 2638 vpackoff += RIDSIZE; 2639 2640 /* Tell card about descriptors */ 2641 if (mpi_init_descriptors (ai) != SUCCESS) 2642 goto free_shared; 2643 2644 return 0; 2645 free_shared: 2646 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma); 2647 free_auxmap: 2648 iounmap(ai->pciaux); 2649 free_memmap: 2650 iounmap(ai->pcimem); 2651 free_region2: 2652 release_mem_region(aux_start, aux_len); 2653 free_region1: 2654 release_mem_region(mem_start, mem_len); 2655 out: 2656 return rc; 2657 } 2658 2659 static const struct header_ops airo_header_ops = { 2660 .parse = wll_header_parse, 2661 }; 2662 2663 static const struct net_device_ops airo11_netdev_ops = { 2664 .ndo_open = airo_open, 2665 .ndo_stop = airo_close, 2666 .ndo_start_xmit = airo_start_xmit11, 2667 .ndo_get_stats = airo_get_stats, 2668 .ndo_set_mac_address = airo_set_mac_address, 2669 .ndo_do_ioctl = airo_ioctl, 2670 }; 2671 2672 static void wifi_setup(struct net_device *dev) 2673 { 2674 dev->netdev_ops = &airo11_netdev_ops; 2675 dev->header_ops = &airo_header_ops; 2676 dev->wireless_handlers = &airo_handler_def; 2677 2678 dev->type = ARPHRD_IEEE80211; 2679 dev->hard_header_len = ETH_HLEN; 2680 dev->mtu = AIRO_DEF_MTU; 2681 dev->min_mtu = 68; 2682 dev->max_mtu = MIC_MSGLEN_MAX; 2683 dev->addr_len = ETH_ALEN; 2684 dev->tx_queue_len = 100; 2685 2686 eth_broadcast_addr(dev->broadcast); 2687 2688 dev->flags = IFF_BROADCAST|IFF_MULTICAST; 2689 } 2690 2691 static struct net_device *init_wifidev(struct airo_info *ai, 2692 struct net_device *ethdev) 2693 { 2694 int err; 2695 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN, 2696 wifi_setup); 2697 if (!dev) 2698 return NULL; 2699 dev->ml_priv = ethdev->ml_priv; 2700 dev->irq = ethdev->irq; 2701 dev->base_addr = ethdev->base_addr; 2702 dev->wireless_data = ethdev->wireless_data; 2703 SET_NETDEV_DEV(dev, ethdev->dev.parent); 2704 eth_hw_addr_inherit(dev, ethdev); 2705 err = register_netdev(dev); 2706 if (err<0) { 2707 free_netdev(dev); 2708 return NULL; 2709 } 2710 return dev; 2711 } 2712 2713 static int reset_card(struct net_device *dev, int lock) 2714 { 2715 struct airo_info *ai = dev->ml_priv; 2716 2717 if (lock && down_interruptible(&ai->sem)) 2718 return -1; 2719 waitbusy (ai); 2720 OUT4500(ai, COMMAND, CMD_SOFTRESET); 2721 msleep(200); 2722 waitbusy (ai); 2723 msleep(200); 2724 if (lock) 2725 up(&ai->sem); 2726 return 0; 2727 } 2728 2729 #define AIRO_MAX_NETWORK_COUNT 64 2730 static int airo_networks_allocate(struct airo_info *ai) 2731 { 2732 if (ai->networks) 2733 return 0; 2734 2735 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement), 2736 GFP_KERNEL); 2737 if (!ai->networks) { 2738 airo_print_warn("", "Out of memory allocating beacons"); 2739 return -ENOMEM; 2740 } 2741 2742 return 0; 2743 } 2744 2745 static void airo_networks_free(struct airo_info *ai) 2746 { 2747 kfree(ai->networks); 2748 ai->networks = NULL; 2749 } 2750 2751 static void airo_networks_initialize(struct airo_info *ai) 2752 { 2753 int i; 2754 2755 INIT_LIST_HEAD(&ai->network_free_list); 2756 INIT_LIST_HEAD(&ai->network_list); 2757 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++) 2758 list_add_tail(&ai->networks[i].list, 2759 &ai->network_free_list); 2760 } 2761 2762 static const struct net_device_ops airo_netdev_ops = { 2763 .ndo_open = airo_open, 2764 .ndo_stop = airo_close, 2765 .ndo_start_xmit = airo_start_xmit, 2766 .ndo_get_stats = airo_get_stats, 2767 .ndo_set_rx_mode = airo_set_multicast_list, 2768 .ndo_set_mac_address = airo_set_mac_address, 2769 .ndo_do_ioctl = airo_ioctl, 2770 .ndo_validate_addr = eth_validate_addr, 2771 }; 2772 2773 static const struct net_device_ops mpi_netdev_ops = { 2774 .ndo_open = airo_open, 2775 .ndo_stop = airo_close, 2776 .ndo_start_xmit = mpi_start_xmit, 2777 .ndo_get_stats = airo_get_stats, 2778 .ndo_set_rx_mode = airo_set_multicast_list, 2779 .ndo_set_mac_address = airo_set_mac_address, 2780 .ndo_do_ioctl = airo_ioctl, 2781 .ndo_validate_addr = eth_validate_addr, 2782 }; 2783 2784 2785 static struct net_device *_init_airo_card(unsigned short irq, int port, 2786 int is_pcmcia, struct pci_dev *pci, 2787 struct device *dmdev) 2788 { 2789 struct net_device *dev; 2790 struct airo_info *ai; 2791 int i, rc; 2792 CapabilityRid cap_rid; 2793 2794 /* Create the network device object. */ 2795 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup); 2796 if (!dev) { 2797 airo_print_err("", "Couldn't alloc_etherdev"); 2798 return NULL; 2799 } 2800 2801 ai = dev->ml_priv = netdev_priv(dev); 2802 ai->wifidev = NULL; 2803 ai->flags = 1 << FLAG_RADIO_DOWN; 2804 ai->jobs = 0; 2805 ai->dev = dev; 2806 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { 2807 airo_print_dbg("", "Found an MPI350 card"); 2808 set_bit(FLAG_MPI, &ai->flags); 2809 } 2810 spin_lock_init(&ai->aux_lock); 2811 sema_init(&ai->sem, 1); 2812 ai->config.len = 0; 2813 ai->pci = pci; 2814 init_waitqueue_head (&ai->thr_wait); 2815 ai->tfm = NULL; 2816 add_airo_dev(ai); 2817 ai->APList.len = cpu_to_le16(sizeof(struct APListRid)); 2818 2819 if (airo_networks_allocate (ai)) 2820 goto err_out_free; 2821 airo_networks_initialize (ai); 2822 2823 skb_queue_head_init (&ai->txq); 2824 2825 /* The Airo-specific entries in the device structure. */ 2826 if (test_bit(FLAG_MPI,&ai->flags)) 2827 dev->netdev_ops = &mpi_netdev_ops; 2828 else 2829 dev->netdev_ops = &airo_netdev_ops; 2830 dev->wireless_handlers = &airo_handler_def; 2831 ai->wireless_data.spy_data = &ai->spy_data; 2832 dev->wireless_data = &ai->wireless_data; 2833 dev->irq = irq; 2834 dev->base_addr = port; 2835 dev->priv_flags &= ~IFF_TX_SKB_SHARING; 2836 dev->max_mtu = MIC_MSGLEN_MAX; 2837 2838 SET_NETDEV_DEV(dev, dmdev); 2839 2840 reset_card (dev, 1); 2841 msleep(400); 2842 2843 if (!is_pcmcia) { 2844 if (!request_region(dev->base_addr, 64, DRV_NAME)) { 2845 rc = -EBUSY; 2846 airo_print_err(dev->name, "Couldn't request region"); 2847 goto err_out_nets; 2848 } 2849 } 2850 2851 if (test_bit(FLAG_MPI,&ai->flags)) { 2852 if (mpi_map_card(ai, pci)) { 2853 airo_print_err("", "Could not map memory"); 2854 goto err_out_res; 2855 } 2856 } 2857 2858 if (probe) { 2859 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) { 2860 airo_print_err(dev->name, "MAC could not be enabled"); 2861 rc = -EIO; 2862 goto err_out_map; 2863 } 2864 } else if (!test_bit(FLAG_MPI,&ai->flags)) { 2865 ai->bap_read = fast_bap_read; 2866 set_bit(FLAG_FLASHING, &ai->flags); 2867 } 2868 2869 strcpy(dev->name, "eth%d"); 2870 rc = register_netdev(dev); 2871 if (rc) { 2872 airo_print_err(dev->name, "Couldn't register_netdev"); 2873 goto err_out_map; 2874 } 2875 ai->wifidev = init_wifidev(ai, dev); 2876 if (!ai->wifidev) 2877 goto err_out_reg; 2878 2879 rc = readCapabilityRid(ai, &cap_rid, 1); 2880 if (rc != SUCCESS) { 2881 rc = -EIO; 2882 goto err_out_wifi; 2883 } 2884 /* WEP capability discovery */ 2885 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0; 2886 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0; 2887 2888 airo_print_info(dev->name, "Firmware version %x.%x.%02d", 2889 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF), 2890 (le16_to_cpu(cap_rid.softVer) & 0xFF), 2891 le16_to_cpu(cap_rid.softSubVer)); 2892 2893 /* Test for WPA support */ 2894 /* Only firmware versions 5.30.17 or better can do WPA */ 2895 if (le16_to_cpu(cap_rid.softVer) > 0x530 2896 || (le16_to_cpu(cap_rid.softVer) == 0x530 2897 && le16_to_cpu(cap_rid.softSubVer) >= 17)) { 2898 airo_print_info(ai->dev->name, "WPA supported."); 2899 2900 set_bit(FLAG_WPA_CAPABLE, &ai->flags); 2901 ai->bssListFirst = RID_WPA_BSSLISTFIRST; 2902 ai->bssListNext = RID_WPA_BSSLISTNEXT; 2903 ai->bssListRidLen = sizeof(BSSListRid); 2904 } else { 2905 airo_print_info(ai->dev->name, "WPA unsupported with firmware " 2906 "versions older than 5.30.17."); 2907 2908 ai->bssListFirst = RID_BSSLISTFIRST; 2909 ai->bssListNext = RID_BSSLISTNEXT; 2910 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); 2911 } 2912 2913 set_bit(FLAG_REGISTERED,&ai->flags); 2914 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); 2915 2916 /* Allocate the transmit buffers */ 2917 if (probe && !test_bit(FLAG_MPI,&ai->flags)) 2918 for (i = 0; i < MAX_FIDS; i++) 2919 ai->fids[i] = transmit_allocate(ai, AIRO_DEF_MTU, i>=MAX_FIDS/2); 2920 2921 if (setup_proc_entry(dev, dev->ml_priv) < 0) 2922 goto err_out_wifi; 2923 2924 return dev; 2925 2926 err_out_wifi: 2927 unregister_netdev(ai->wifidev); 2928 free_netdev(ai->wifidev); 2929 err_out_reg: 2930 unregister_netdev(dev); 2931 err_out_map: 2932 if (test_bit(FLAG_MPI,&ai->flags) && pci) { 2933 pci_free_consistent(pci, PCI_SHARED_LEN, ai->shared, ai->shared_dma); 2934 iounmap(ai->pciaux); 2935 iounmap(ai->pcimem); 2936 mpi_unmap_card(ai->pci); 2937 } 2938 err_out_res: 2939 if (!is_pcmcia) 2940 release_region(dev->base_addr, 64); 2941 err_out_nets: 2942 airo_networks_free(ai); 2943 err_out_free: 2944 del_airo_dev(ai); 2945 free_netdev(dev); 2946 return NULL; 2947 } 2948 2949 struct net_device *init_airo_card(unsigned short irq, int port, int is_pcmcia, 2950 struct device *dmdev) 2951 { 2952 return _init_airo_card (irq, port, is_pcmcia, NULL, dmdev); 2953 } 2954 2955 EXPORT_SYMBOL(init_airo_card); 2956 2957 static int waitbusy (struct airo_info *ai) 2958 { 2959 int delay = 0; 2960 while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) { 2961 udelay (10); 2962 if ((++delay % 20) == 0) 2963 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 2964 } 2965 return delay < 10000; 2966 } 2967 2968 int reset_airo_card(struct net_device *dev) 2969 { 2970 int i; 2971 struct airo_info *ai = dev->ml_priv; 2972 2973 if (reset_card (dev, 1)) 2974 return -1; 2975 2976 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) { 2977 airo_print_err(dev->name, "MAC could not be enabled"); 2978 return -1; 2979 } 2980 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); 2981 /* Allocate the transmit buffers if needed */ 2982 if (!test_bit(FLAG_MPI,&ai->flags)) 2983 for (i = 0; i < MAX_FIDS; i++) 2984 ai->fids[i] = transmit_allocate (ai, AIRO_DEF_MTU, i>=MAX_FIDS/2); 2985 2986 enable_interrupts(ai); 2987 netif_wake_queue(dev); 2988 return 0; 2989 } 2990 2991 EXPORT_SYMBOL(reset_airo_card); 2992 2993 static void airo_send_event(struct net_device *dev) 2994 { 2995 struct airo_info *ai = dev->ml_priv; 2996 union iwreq_data wrqu; 2997 StatusRid status_rid; 2998 2999 clear_bit(JOB_EVENT, &ai->jobs); 3000 PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0); 3001 up(&ai->sem); 3002 wrqu.data.length = 0; 3003 wrqu.data.flags = 0; 3004 memcpy(wrqu.ap_addr.sa_data, status_rid.bssid[0], ETH_ALEN); 3005 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 3006 3007 /* Send event to user space */ 3008 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); 3009 } 3010 3011 static void airo_process_scan_results (struct airo_info *ai) 3012 { 3013 union iwreq_data wrqu; 3014 BSSListRid bss; 3015 int rc; 3016 BSSListElement * loop_net; 3017 BSSListElement * tmp_net; 3018 3019 /* Blow away current list of scan results */ 3020 list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) { 3021 list_move_tail (&loop_net->list, &ai->network_free_list); 3022 /* Don't blow away ->list, just BSS data */ 3023 memset (loop_net, 0, sizeof (loop_net->bss)); 3024 } 3025 3026 /* Try to read the first entry of the scan result */ 3027 rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0); 3028 if ((rc) || (bss.index == cpu_to_le16(0xffff))) { 3029 /* No scan results */ 3030 goto out; 3031 } 3032 3033 /* Read and parse all entries */ 3034 tmp_net = NULL; 3035 while ((!rc) && (bss.index != cpu_to_le16(0xffff))) { 3036 /* Grab a network off the free list */ 3037 if (!list_empty(&ai->network_free_list)) { 3038 tmp_net = list_entry(ai->network_free_list.next, 3039 BSSListElement, list); 3040 list_del(ai->network_free_list.next); 3041 } 3042 3043 if (tmp_net != NULL) { 3044 memcpy(tmp_net, &bss, sizeof(tmp_net->bss)); 3045 list_add_tail(&tmp_net->list, &ai->network_list); 3046 tmp_net = NULL; 3047 } 3048 3049 /* Read next entry */ 3050 rc = PC4500_readrid(ai, ai->bssListNext, 3051 &bss, ai->bssListRidLen, 0); 3052 } 3053 3054 out: 3055 /* write APList back (we cleared it in airo_set_scan) */ 3056 disable_MAC(ai, 2); 3057 writeAPListRid(ai, &ai->APList, 0); 3058 enable_MAC(ai, 0); 3059 3060 ai->scan_timeout = 0; 3061 clear_bit(JOB_SCAN_RESULTS, &ai->jobs); 3062 up(&ai->sem); 3063 3064 /* Send an empty event to user space. 3065 * We don't send the received data on 3066 * the event because it would require 3067 * us to do complex transcoding, and 3068 * we want to minimise the work done in 3069 * the irq handler. Use a request to 3070 * extract the data - Jean II */ 3071 wrqu.data.length = 0; 3072 wrqu.data.flags = 0; 3073 wireless_send_event(ai->dev, SIOCGIWSCAN, &wrqu, NULL); 3074 } 3075 3076 static int airo_thread(void *data) 3077 { 3078 struct net_device *dev = data; 3079 struct airo_info *ai = dev->ml_priv; 3080 int locked; 3081 3082 set_freezable(); 3083 while (1) { 3084 /* make swsusp happy with our thread */ 3085 try_to_freeze(); 3086 3087 if (test_bit(JOB_DIE, &ai->jobs)) 3088 break; 3089 3090 if (ai->jobs) { 3091 locked = down_interruptible(&ai->sem); 3092 } else { 3093 wait_queue_entry_t wait; 3094 3095 init_waitqueue_entry(&wait, current); 3096 add_wait_queue(&ai->thr_wait, &wait); 3097 for (;;) { 3098 set_current_state(TASK_INTERRUPTIBLE); 3099 if (ai->jobs) 3100 break; 3101 if (ai->expires || ai->scan_timeout) { 3102 if (ai->scan_timeout && 3103 time_after_eq(jiffies, ai->scan_timeout)) { 3104 set_bit(JOB_SCAN_RESULTS, &ai->jobs); 3105 break; 3106 } else if (ai->expires && 3107 time_after_eq(jiffies, ai->expires)) { 3108 set_bit(JOB_AUTOWEP, &ai->jobs); 3109 break; 3110 } 3111 if (!kthread_should_stop() && 3112 !freezing(current)) { 3113 unsigned long wake_at; 3114 if (!ai->expires || !ai->scan_timeout) { 3115 wake_at = max(ai->expires, 3116 ai->scan_timeout); 3117 } else { 3118 wake_at = min(ai->expires, 3119 ai->scan_timeout); 3120 } 3121 schedule_timeout(wake_at - jiffies); 3122 continue; 3123 } 3124 } else if (!kthread_should_stop() && 3125 !freezing(current)) { 3126 schedule(); 3127 continue; 3128 } 3129 break; 3130 } 3131 __set_current_state(TASK_RUNNING); 3132 remove_wait_queue(&ai->thr_wait, &wait); 3133 locked = 1; 3134 } 3135 3136 if (locked) 3137 continue; 3138 3139 if (test_bit(JOB_DIE, &ai->jobs)) { 3140 up(&ai->sem); 3141 break; 3142 } 3143 3144 if (ai->power.event || test_bit(FLAG_FLASHING, &ai->flags)) { 3145 up(&ai->sem); 3146 continue; 3147 } 3148 3149 if (test_bit(JOB_XMIT, &ai->jobs)) 3150 airo_end_xmit(dev); 3151 else if (test_bit(JOB_XMIT11, &ai->jobs)) 3152 airo_end_xmit11(dev); 3153 else if (test_bit(JOB_STATS, &ai->jobs)) 3154 airo_read_stats(dev); 3155 else if (test_bit(JOB_WSTATS, &ai->jobs)) 3156 airo_read_wireless_stats(ai); 3157 else if (test_bit(JOB_PROMISC, &ai->jobs)) 3158 airo_set_promisc(ai); 3159 else if (test_bit(JOB_MIC, &ai->jobs)) 3160 micinit(ai); 3161 else if (test_bit(JOB_EVENT, &ai->jobs)) 3162 airo_send_event(dev); 3163 else if (test_bit(JOB_AUTOWEP, &ai->jobs)) 3164 timer_func(dev); 3165 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs)) 3166 airo_process_scan_results(ai); 3167 else /* Shouldn't get here, but we make sure to unlock */ 3168 up(&ai->sem); 3169 } 3170 3171 return 0; 3172 } 3173 3174 static int header_len(__le16 ctl) 3175 { 3176 u16 fc = le16_to_cpu(ctl); 3177 switch (fc & 0xc) { 3178 case 4: 3179 if ((fc & 0xe0) == 0xc0) 3180 return 10; /* one-address control packet */ 3181 return 16; /* two-address control packet */ 3182 case 8: 3183 if ((fc & 0x300) == 0x300) 3184 return 30; /* WDS packet */ 3185 } 3186 return 24; 3187 } 3188 3189 static void airo_handle_cisco_mic(struct airo_info *ai) 3190 { 3191 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) { 3192 set_bit(JOB_MIC, &ai->jobs); 3193 wake_up_interruptible(&ai->thr_wait); 3194 } 3195 } 3196 3197 /* Airo Status codes */ 3198 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */ 3199 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */ 3200 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/ 3201 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */ 3202 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */ 3203 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */ 3204 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */ 3205 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */ 3206 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */ 3207 #define STAT_ASSOC 0x0400 /* Associated */ 3208 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */ 3209 3210 static void airo_print_status(const char *devname, u16 status) 3211 { 3212 u8 reason = status & 0xFF; 3213 3214 switch (status & 0xFF00) { 3215 case STAT_NOBEACON: 3216 switch (status) { 3217 case STAT_NOBEACON: 3218 airo_print_dbg(devname, "link lost (missed beacons)"); 3219 break; 3220 case STAT_MAXRETRIES: 3221 case STAT_MAXARL: 3222 airo_print_dbg(devname, "link lost (max retries)"); 3223 break; 3224 case STAT_FORCELOSS: 3225 airo_print_dbg(devname, "link lost (local choice)"); 3226 break; 3227 case STAT_TSFSYNC: 3228 airo_print_dbg(devname, "link lost (TSF sync lost)"); 3229 break; 3230 default: 3231 airo_print_dbg(devname, "unknown status %x\n", status); 3232 break; 3233 } 3234 break; 3235 case STAT_DEAUTH: 3236 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason); 3237 break; 3238 case STAT_DISASSOC: 3239 airo_print_dbg(devname, "disassociated (reason: %d)", reason); 3240 break; 3241 case STAT_ASSOC_FAIL: 3242 airo_print_dbg(devname, "association failed (reason: %d)", 3243 reason); 3244 break; 3245 case STAT_AUTH_FAIL: 3246 airo_print_dbg(devname, "authentication failed (reason: %d)", 3247 reason); 3248 break; 3249 case STAT_ASSOC: 3250 case STAT_REASSOC: 3251 break; 3252 default: 3253 airo_print_dbg(devname, "unknown status %x\n", status); 3254 break; 3255 } 3256 } 3257 3258 static void airo_handle_link(struct airo_info *ai) 3259 { 3260 union iwreq_data wrqu; 3261 int scan_forceloss = 0; 3262 u16 status; 3263 3264 /* Get new status and acknowledge the link change */ 3265 status = le16_to_cpu(IN4500(ai, LINKSTAT)); 3266 OUT4500(ai, EVACK, EV_LINK); 3267 3268 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0)) 3269 scan_forceloss = 1; 3270 3271 airo_print_status(ai->dev->name, status); 3272 3273 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) { 3274 if (auto_wep) 3275 ai->expires = 0; 3276 if (ai->list_bss_task) 3277 wake_up_process(ai->list_bss_task); 3278 set_bit(FLAG_UPDATE_UNI, &ai->flags); 3279 set_bit(FLAG_UPDATE_MULTI, &ai->flags); 3280 3281 if (down_trylock(&ai->sem) != 0) { 3282 set_bit(JOB_EVENT, &ai->jobs); 3283 wake_up_interruptible(&ai->thr_wait); 3284 } else 3285 airo_send_event(ai->dev); 3286 netif_carrier_on(ai->dev); 3287 } else if (!scan_forceloss) { 3288 if (auto_wep && !ai->expires) { 3289 ai->expires = RUN_AT(3*HZ); 3290 wake_up_interruptible(&ai->thr_wait); 3291 } 3292 3293 /* Send event to user space */ 3294 eth_zero_addr(wrqu.ap_addr.sa_data); 3295 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 3296 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL); 3297 netif_carrier_off(ai->dev); 3298 } else { 3299 netif_carrier_off(ai->dev); 3300 } 3301 } 3302 3303 static void airo_handle_rx(struct airo_info *ai) 3304 { 3305 struct sk_buff *skb = NULL; 3306 __le16 fc, v, *buffer, tmpbuf[4]; 3307 u16 len, hdrlen = 0, gap, fid; 3308 struct rx_hdr hdr; 3309 int success = 0; 3310 3311 if (test_bit(FLAG_MPI, &ai->flags)) { 3312 if (test_bit(FLAG_802_11, &ai->flags)) 3313 mpi_receive_802_11(ai); 3314 else 3315 mpi_receive_802_3(ai); 3316 OUT4500(ai, EVACK, EV_RX); 3317 return; 3318 } 3319 3320 fid = IN4500(ai, RXFID); 3321 3322 /* Get the packet length */ 3323 if (test_bit(FLAG_802_11, &ai->flags)) { 3324 bap_setup (ai, fid, 4, BAP0); 3325 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0); 3326 /* Bad CRC. Ignore packet */ 3327 if (le16_to_cpu(hdr.status) & 2) 3328 hdr.len = 0; 3329 if (ai->wifidev == NULL) 3330 hdr.len = 0; 3331 } else { 3332 bap_setup(ai, fid, 0x36, BAP0); 3333 bap_read(ai, &hdr.len, 2, BAP0); 3334 } 3335 len = le16_to_cpu(hdr.len); 3336 3337 if (len > AIRO_DEF_MTU) { 3338 airo_print_err(ai->dev->name, "Bad size %d", len); 3339 goto done; 3340 } 3341 if (len == 0) 3342 goto done; 3343 3344 if (test_bit(FLAG_802_11, &ai->flags)) { 3345 bap_read(ai, &fc, sizeof (fc), BAP0); 3346 hdrlen = header_len(fc); 3347 } else 3348 hdrlen = ETH_ALEN * 2; 3349 3350 skb = dev_alloc_skb(len + hdrlen + 2 + 2); 3351 if (!skb) { 3352 ai->dev->stats.rx_dropped++; 3353 goto done; 3354 } 3355 3356 skb_reserve(skb, 2); /* This way the IP header is aligned */ 3357 buffer = skb_put(skb, len + hdrlen); 3358 if (test_bit(FLAG_802_11, &ai->flags)) { 3359 buffer[0] = fc; 3360 bap_read(ai, buffer + 1, hdrlen - 2, BAP0); 3361 if (hdrlen == 24) 3362 bap_read(ai, tmpbuf, 6, BAP0); 3363 3364 bap_read(ai, &v, sizeof(v), BAP0); 3365 gap = le16_to_cpu(v); 3366 if (gap) { 3367 if (gap <= 8) { 3368 bap_read(ai, tmpbuf, gap, BAP0); 3369 } else { 3370 airo_print_err(ai->dev->name, "gaplen too " 3371 "big. Problems will follow..."); 3372 } 3373 } 3374 bap_read(ai, buffer + hdrlen/2, len, BAP0); 3375 } else { 3376 MICBuffer micbuf; 3377 3378 bap_read(ai, buffer, ETH_ALEN * 2, BAP0); 3379 if (ai->micstats.enabled) { 3380 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0); 3381 if (ntohs(micbuf.typelen) > 0x05DC) 3382 bap_setup(ai, fid, 0x44, BAP0); 3383 else { 3384 if (len <= sizeof (micbuf)) { 3385 dev_kfree_skb_irq(skb); 3386 goto done; 3387 } 3388 3389 len -= sizeof(micbuf); 3390 skb_trim(skb, len + hdrlen); 3391 } 3392 } 3393 3394 bap_read(ai, buffer + ETH_ALEN, len, BAP0); 3395 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len)) 3396 dev_kfree_skb_irq (skb); 3397 else 3398 success = 1; 3399 } 3400 3401 #ifdef WIRELESS_SPY 3402 if (success && (ai->spy_data.spy_number > 0)) { 3403 char *sa; 3404 struct iw_quality wstats; 3405 3406 /* Prepare spy data : addr + qual */ 3407 if (!test_bit(FLAG_802_11, &ai->flags)) { 3408 sa = (char *) buffer + 6; 3409 bap_setup(ai, fid, 8, BAP0); 3410 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0); 3411 } else 3412 sa = (char *) buffer + 10; 3413 wstats.qual = hdr.rssi[0]; 3414 if (ai->rssi) 3415 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3416 else 3417 wstats.level = (hdr.rssi[1] + 321) / 2; 3418 wstats.noise = ai->wstats.qual.noise; 3419 wstats.updated = IW_QUAL_LEVEL_UPDATED 3420 | IW_QUAL_QUAL_UPDATED 3421 | IW_QUAL_DBM; 3422 /* Update spy records */ 3423 wireless_spy_update(ai->dev, sa, &wstats); 3424 } 3425 #endif /* WIRELESS_SPY */ 3426 3427 done: 3428 OUT4500(ai, EVACK, EV_RX); 3429 3430 if (success) { 3431 if (test_bit(FLAG_802_11, &ai->flags)) { 3432 skb_reset_mac_header(skb); 3433 skb->pkt_type = PACKET_OTHERHOST; 3434 skb->dev = ai->wifidev; 3435 skb->protocol = htons(ETH_P_802_2); 3436 } else 3437 skb->protocol = eth_type_trans(skb, ai->dev); 3438 skb->ip_summed = CHECKSUM_NONE; 3439 3440 netif_rx(skb); 3441 } 3442 } 3443 3444 static void airo_handle_tx(struct airo_info *ai, u16 status) 3445 { 3446 int i, index = -1; 3447 u16 fid; 3448 3449 if (test_bit(FLAG_MPI, &ai->flags)) { 3450 unsigned long flags; 3451 3452 if (status & EV_TXEXC) 3453 get_tx_error(ai, -1); 3454 3455 spin_lock_irqsave(&ai->aux_lock, flags); 3456 if (!skb_queue_empty(&ai->txq)) { 3457 spin_unlock_irqrestore(&ai->aux_lock, flags); 3458 mpi_send_packet(ai->dev); 3459 } else { 3460 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 3461 spin_unlock_irqrestore(&ai->aux_lock, flags); 3462 netif_wake_queue(ai->dev); 3463 } 3464 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3465 return; 3466 } 3467 3468 fid = IN4500(ai, TXCOMPLFID); 3469 3470 for (i = 0; i < MAX_FIDS; i++) { 3471 if ((ai->fids[i] & 0xffff) == fid) 3472 index = i; 3473 } 3474 3475 if (index != -1) { 3476 if (status & EV_TXEXC) 3477 get_tx_error(ai, index); 3478 3479 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC)); 3480 3481 /* Set up to be used again */ 3482 ai->fids[index] &= 0xffff; 3483 if (index < MAX_FIDS / 2) { 3484 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags)) 3485 netif_wake_queue(ai->dev); 3486 } else { 3487 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags)) 3488 netif_wake_queue(ai->wifidev); 3489 } 3490 } else { 3491 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3492 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit"); 3493 } 3494 } 3495 3496 static irqreturn_t airo_interrupt(int irq, void *dev_id) 3497 { 3498 struct net_device *dev = dev_id; 3499 u16 status, savedInterrupts = 0; 3500 struct airo_info *ai = dev->ml_priv; 3501 int handled = 0; 3502 3503 if (!netif_device_present(dev)) 3504 return IRQ_NONE; 3505 3506 for (;;) { 3507 status = IN4500(ai, EVSTAT); 3508 if (!(status & STATUS_INTS) || (status == 0xffff)) 3509 break; 3510 3511 handled = 1; 3512 3513 if (status & EV_AWAKE) { 3514 OUT4500(ai, EVACK, EV_AWAKE); 3515 OUT4500(ai, EVACK, EV_AWAKE); 3516 } 3517 3518 if (!savedInterrupts) { 3519 savedInterrupts = IN4500(ai, EVINTEN); 3520 OUT4500(ai, EVINTEN, 0); 3521 } 3522 3523 if (status & EV_MIC) { 3524 OUT4500(ai, EVACK, EV_MIC); 3525 airo_handle_cisco_mic(ai); 3526 } 3527 3528 if (status & EV_LINK) { 3529 /* Link status changed */ 3530 airo_handle_link(ai); 3531 } 3532 3533 /* Check to see if there is something to receive */ 3534 if (status & EV_RX) 3535 airo_handle_rx(ai); 3536 3537 /* Check to see if a packet has been transmitted */ 3538 if (status & (EV_TX | EV_TXCPY | EV_TXEXC)) 3539 airo_handle_tx(ai, status); 3540 3541 if (status & ~STATUS_INTS & ~IGNORE_INTS) { 3542 airo_print_warn(ai->dev->name, "Got weird status %x", 3543 status & ~STATUS_INTS & ~IGNORE_INTS); 3544 } 3545 } 3546 3547 if (savedInterrupts) 3548 OUT4500(ai, EVINTEN, savedInterrupts); 3549 3550 return IRQ_RETVAL(handled); 3551 } 3552 3553 /* 3554 * Routines to talk to the card 3555 */ 3556 3557 /* 3558 * This was originally written for the 4500, hence the name 3559 * NOTE: If use with 8bit mode and SMP bad things will happen! 3560 * Why would some one do 8 bit IO in an SMP machine?!? 3561 */ 3562 static void OUT4500(struct airo_info *ai, u16 reg, u16 val) 3563 { 3564 if (test_bit(FLAG_MPI,&ai->flags)) 3565 reg <<= 1; 3566 if (!do8bitIO) 3567 outw(val, ai->dev->base_addr + reg); 3568 else { 3569 outb(val & 0xff, ai->dev->base_addr + reg); 3570 outb(val >> 8, ai->dev->base_addr + reg + 1); 3571 } 3572 } 3573 3574 static u16 IN4500(struct airo_info *ai, u16 reg) 3575 { 3576 unsigned short rc; 3577 3578 if (test_bit(FLAG_MPI,&ai->flags)) 3579 reg <<= 1; 3580 if (!do8bitIO) 3581 rc = inw(ai->dev->base_addr + reg); 3582 else { 3583 rc = inb(ai->dev->base_addr + reg); 3584 rc += ((int)inb(ai->dev->base_addr + reg + 1)) << 8; 3585 } 3586 return rc; 3587 } 3588 3589 static int enable_MAC(struct airo_info *ai, int lock) 3590 { 3591 int rc; 3592 Cmd cmd; 3593 Resp rsp; 3594 3595 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions 3596 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down" 3597 * Note : we could try to use !netif_running(dev) in enable_MAC() 3598 * instead of this flag, but I don't trust it *within* the 3599 * open/close functions, and testing both flags together is 3600 * "cheaper" - Jean II */ 3601 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS; 3602 3603 if (lock && down_interruptible(&ai->sem)) 3604 return -ERESTARTSYS; 3605 3606 if (!test_bit(FLAG_ENABLED, &ai->flags)) { 3607 memset(&cmd, 0, sizeof(cmd)); 3608 cmd.cmd = MAC_ENABLE; 3609 rc = issuecommand(ai, &cmd, &rsp); 3610 if (rc == SUCCESS) 3611 set_bit(FLAG_ENABLED, &ai->flags); 3612 } else 3613 rc = SUCCESS; 3614 3615 if (lock) 3616 up(&ai->sem); 3617 3618 if (rc) 3619 airo_print_err(ai->dev->name, "Cannot enable MAC"); 3620 else if ((rsp.status & 0xFF00) != 0) { 3621 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, " 3622 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2); 3623 rc = ERROR; 3624 } 3625 return rc; 3626 } 3627 3628 static void disable_MAC(struct airo_info *ai, int lock) 3629 { 3630 Cmd cmd; 3631 Resp rsp; 3632 3633 if (lock == 1 && down_interruptible(&ai->sem)) 3634 return; 3635 3636 if (test_bit(FLAG_ENABLED, &ai->flags)) { 3637 if (lock != 2) /* lock == 2 means don't disable carrier */ 3638 netif_carrier_off(ai->dev); 3639 memset(&cmd, 0, sizeof(cmd)); 3640 cmd.cmd = MAC_DISABLE; // disable in case already enabled 3641 issuecommand(ai, &cmd, &rsp); 3642 clear_bit(FLAG_ENABLED, &ai->flags); 3643 } 3644 if (lock == 1) 3645 up(&ai->sem); 3646 } 3647 3648 static void enable_interrupts(struct airo_info *ai) 3649 { 3650 /* Enable the interrupts */ 3651 OUT4500(ai, EVINTEN, STATUS_INTS); 3652 } 3653 3654 static void disable_interrupts(struct airo_info *ai) 3655 { 3656 OUT4500(ai, EVINTEN, 0); 3657 } 3658 3659 static void mpi_receive_802_3(struct airo_info *ai) 3660 { 3661 RxFid rxd; 3662 int len = 0; 3663 struct sk_buff *skb; 3664 char *buffer; 3665 int off = 0; 3666 MICBuffer micbuf; 3667 3668 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3669 /* Make sure we got something */ 3670 if (rxd.rdy && rxd.valid == 0) { 3671 len = rxd.len + 12; 3672 if (len < 12 || len > 2048) 3673 goto badrx; 3674 3675 skb = dev_alloc_skb(len); 3676 if (!skb) { 3677 ai->dev->stats.rx_dropped++; 3678 goto badrx; 3679 } 3680 buffer = skb_put(skb, len); 3681 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2); 3682 if (ai->micstats.enabled) { 3683 memcpy(&micbuf, 3684 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2, 3685 sizeof(micbuf)); 3686 if (ntohs(micbuf.typelen) <= 0x05DC) { 3687 if (len <= sizeof(micbuf) + ETH_ALEN * 2) 3688 goto badmic; 3689 3690 off = sizeof(micbuf); 3691 skb_trim (skb, len - off); 3692 } 3693 } 3694 memcpy(buffer + ETH_ALEN * 2, 3695 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off, 3696 len - ETH_ALEN * 2 - off); 3697 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) { 3698 badmic: 3699 dev_kfree_skb_irq (skb); 3700 goto badrx; 3701 } 3702 #ifdef WIRELESS_SPY 3703 if (ai->spy_data.spy_number > 0) { 3704 char *sa; 3705 struct iw_quality wstats; 3706 /* Prepare spy data : addr + qual */ 3707 sa = buffer + ETH_ALEN; 3708 wstats.qual = 0; /* XXX Where do I get that info from ??? */ 3709 wstats.level = 0; 3710 wstats.updated = 0; 3711 /* Update spy records */ 3712 wireless_spy_update(ai->dev, sa, &wstats); 3713 } 3714 #endif /* WIRELESS_SPY */ 3715 3716 skb->ip_summed = CHECKSUM_NONE; 3717 skb->protocol = eth_type_trans(skb, ai->dev); 3718 netif_rx(skb); 3719 } 3720 badrx: 3721 if (rxd.valid == 0) { 3722 rxd.valid = 1; 3723 rxd.rdy = 0; 3724 rxd.len = PKTSIZE; 3725 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3726 } 3727 } 3728 3729 static void mpi_receive_802_11(struct airo_info *ai) 3730 { 3731 RxFid rxd; 3732 struct sk_buff *skb = NULL; 3733 u16 len, hdrlen = 0; 3734 __le16 fc; 3735 struct rx_hdr hdr; 3736 u16 gap; 3737 u16 *buffer; 3738 char *ptr = ai->rxfids[0].virtual_host_addr + 4; 3739 3740 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3741 memcpy ((char *)&hdr, ptr, sizeof(hdr)); 3742 ptr += sizeof(hdr); 3743 /* Bad CRC. Ignore packet */ 3744 if (le16_to_cpu(hdr.status) & 2) 3745 hdr.len = 0; 3746 if (ai->wifidev == NULL) 3747 hdr.len = 0; 3748 len = le16_to_cpu(hdr.len); 3749 if (len > AIRO_DEF_MTU) { 3750 airo_print_err(ai->dev->name, "Bad size %d", len); 3751 goto badrx; 3752 } 3753 if (len == 0) 3754 goto badrx; 3755 3756 fc = get_unaligned((__le16 *)ptr); 3757 hdrlen = header_len(fc); 3758 3759 skb = dev_alloc_skb(len + hdrlen + 2); 3760 if (!skb) { 3761 ai->dev->stats.rx_dropped++; 3762 goto badrx; 3763 } 3764 buffer = skb_put(skb, len + hdrlen); 3765 memcpy ((char *)buffer, ptr, hdrlen); 3766 ptr += hdrlen; 3767 if (hdrlen == 24) 3768 ptr += 6; 3769 gap = get_unaligned_le16(ptr); 3770 ptr += sizeof(__le16); 3771 if (gap) { 3772 if (gap <= 8) 3773 ptr += gap; 3774 else 3775 airo_print_err(ai->dev->name, 3776 "gaplen too big. Problems will follow..."); 3777 } 3778 memcpy ((char *)buffer + hdrlen, ptr, len); 3779 ptr += len; 3780 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ 3781 if (ai->spy_data.spy_number > 0) { 3782 char *sa; 3783 struct iw_quality wstats; 3784 /* Prepare spy data : addr + qual */ 3785 sa = (char*)buffer + 10; 3786 wstats.qual = hdr.rssi[0]; 3787 if (ai->rssi) 3788 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3789 else 3790 wstats.level = (hdr.rssi[1] + 321) / 2; 3791 wstats.noise = ai->wstats.qual.noise; 3792 wstats.updated = IW_QUAL_QUAL_UPDATED 3793 | IW_QUAL_LEVEL_UPDATED 3794 | IW_QUAL_DBM; 3795 /* Update spy records */ 3796 wireless_spy_update(ai->dev, sa, &wstats); 3797 } 3798 #endif /* IW_WIRELESS_SPY */ 3799 skb_reset_mac_header(skb); 3800 skb->pkt_type = PACKET_OTHERHOST; 3801 skb->dev = ai->wifidev; 3802 skb->protocol = htons(ETH_P_802_2); 3803 skb->ip_summed = CHECKSUM_NONE; 3804 netif_rx(skb); 3805 3806 badrx: 3807 if (rxd.valid == 0) { 3808 rxd.valid = 1; 3809 rxd.rdy = 0; 3810 rxd.len = PKTSIZE; 3811 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3812 } 3813 } 3814 3815 static inline void set_auth_type(struct airo_info *local, int auth_type) 3816 { 3817 local->config.authType = auth_type; 3818 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT). 3819 * Used by airo_set_auth() 3820 */ 3821 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT) 3822 local->last_auth = auth_type; 3823 } 3824 3825 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) 3826 { 3827 Cmd cmd; 3828 Resp rsp; 3829 int status; 3830 SsidRid mySsid; 3831 __le16 lastindex; 3832 WepKeyRid wkr; 3833 int rc; 3834 3835 memset(&mySsid, 0, sizeof(mySsid)); 3836 kfree (ai->flash); 3837 ai->flash = NULL; 3838 3839 /* The NOP is the first step in getting the card going */ 3840 cmd.cmd = NOP; 3841 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0; 3842 if (lock && down_interruptible(&ai->sem)) 3843 return ERROR; 3844 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) { 3845 if (lock) 3846 up(&ai->sem); 3847 return ERROR; 3848 } 3849 disable_MAC(ai, 0); 3850 3851 // Let's figure out if we need to use the AUX port 3852 if (!test_bit(FLAG_MPI,&ai->flags)) { 3853 cmd.cmd = CMD_ENABLEAUX; 3854 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) { 3855 if (lock) 3856 up(&ai->sem); 3857 airo_print_err(ai->dev->name, "Error checking for AUX port"); 3858 return ERROR; 3859 } 3860 if (!aux_bap || rsp.status & 0xff00) { 3861 ai->bap_read = fast_bap_read; 3862 airo_print_dbg(ai->dev->name, "Doing fast bap_reads"); 3863 } else { 3864 ai->bap_read = aux_bap_read; 3865 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads"); 3866 } 3867 } 3868 if (lock) 3869 up(&ai->sem); 3870 if (ai->config.len == 0) { 3871 int i; 3872 tdsRssiRid rssi_rid; 3873 CapabilityRid cap_rid; 3874 3875 kfree(ai->SSID); 3876 ai->SSID = NULL; 3877 // general configuration (read/modify/write) 3878 status = readConfigRid(ai, lock); 3879 if (status != SUCCESS) return ERROR; 3880 3881 status = readCapabilityRid(ai, &cap_rid, lock); 3882 if (status != SUCCESS) return ERROR; 3883 3884 status = PC4500_readrid(ai, RID_RSSI,&rssi_rid, sizeof(rssi_rid), lock); 3885 if (status == SUCCESS) { 3886 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL) 3887 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */ 3888 } 3889 else { 3890 kfree(ai->rssi); 3891 ai->rssi = NULL; 3892 if (cap_rid.softCap & cpu_to_le16(8)) 3893 ai->config.rmode |= RXMODE_NORMALIZED_RSSI; 3894 else 3895 airo_print_warn(ai->dev->name, "unknown received signal " 3896 "level scale"); 3897 } 3898 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS; 3899 set_auth_type(ai, AUTH_OPEN); 3900 ai->config.modulation = MOD_CCK; 3901 3902 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) && 3903 (cap_rid.extSoftCap & cpu_to_le16(1)) && 3904 micsetup(ai) == SUCCESS) { 3905 ai->config.opmode |= MODE_MIC; 3906 set_bit(FLAG_MIC_CAPABLE, &ai->flags); 3907 } 3908 3909 /* Save off the MAC */ 3910 for (i = 0; i < ETH_ALEN; i++) { 3911 mac[i] = ai->config.macAddr[i]; 3912 } 3913 3914 /* Check to see if there are any insmod configured 3915 rates to add */ 3916 if (rates[0]) { 3917 memset(ai->config.rates, 0, sizeof(ai->config.rates)); 3918 for (i = 0; i < 8 && rates[i]; i++) { 3919 ai->config.rates[i] = rates[i]; 3920 } 3921 } 3922 set_bit (FLAG_COMMIT, &ai->flags); 3923 } 3924 3925 /* Setup the SSIDs if present */ 3926 if (ssids[0]) { 3927 int i; 3928 for (i = 0; i < 3 && ssids[i]; i++) { 3929 size_t len = strlen(ssids[i]); 3930 if (len > 32) 3931 len = 32; 3932 mySsid.ssids[i].len = cpu_to_le16(len); 3933 memcpy(mySsid.ssids[i].ssid, ssids[i], len); 3934 } 3935 mySsid.len = cpu_to_le16(sizeof(mySsid)); 3936 } 3937 3938 status = writeConfigRid(ai, lock); 3939 if (status != SUCCESS) return ERROR; 3940 3941 /* Set up the SSID list */ 3942 if (ssids[0]) { 3943 status = writeSsidRid(ai, &mySsid, lock); 3944 if (status != SUCCESS) return ERROR; 3945 } 3946 3947 status = enable_MAC(ai, lock); 3948 if (status != SUCCESS) 3949 return ERROR; 3950 3951 /* Grab the initial wep key, we gotta save it for auto_wep */ 3952 rc = readWepKeyRid(ai, &wkr, 1, lock); 3953 if (rc == SUCCESS) do { 3954 lastindex = wkr.kindex; 3955 if (wkr.kindex == cpu_to_le16(0xffff)) { 3956 ai->defindex = wkr.mac[0]; 3957 } 3958 rc = readWepKeyRid(ai, &wkr, 0, lock); 3959 } while (lastindex != wkr.kindex); 3960 3961 try_auto_wep(ai); 3962 3963 return SUCCESS; 3964 } 3965 3966 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) 3967 { 3968 // Im really paranoid about letting it run forever! 3969 int max_tries = 600000; 3970 3971 if (IN4500(ai, EVSTAT) & EV_CMD) 3972 OUT4500(ai, EVACK, EV_CMD); 3973 3974 OUT4500(ai, PARAM0, pCmd->parm0); 3975 OUT4500(ai, PARAM1, pCmd->parm1); 3976 OUT4500(ai, PARAM2, pCmd->parm2); 3977 OUT4500(ai, COMMAND, pCmd->cmd); 3978 3979 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) { 3980 if ((IN4500(ai, COMMAND)) == pCmd->cmd) 3981 // PC4500 didn't notice command, try again 3982 OUT4500(ai, COMMAND, pCmd->cmd); 3983 if (!in_atomic() && (max_tries & 255) == 0) 3984 schedule(); 3985 } 3986 3987 if (max_tries == -1) { 3988 airo_print_err(ai->dev->name, 3989 "Max tries exceeded when issuing command"); 3990 if (IN4500(ai, COMMAND) & COMMAND_BUSY) 3991 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 3992 return ERROR; 3993 } 3994 3995 // command completed 3996 pRsp->status = IN4500(ai, STATUS); 3997 pRsp->rsp0 = IN4500(ai, RESP0); 3998 pRsp->rsp1 = IN4500(ai, RESP1); 3999 pRsp->rsp2 = IN4500(ai, RESP2); 4000 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) 4001 airo_print_err(ai->dev->name, 4002 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x", 4003 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1, 4004 pRsp->rsp2); 4005 4006 // clear stuck command busy if necessary 4007 if (IN4500(ai, COMMAND) & COMMAND_BUSY) { 4008 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 4009 } 4010 // acknowledge processing the status/response 4011 OUT4500(ai, EVACK, EV_CMD); 4012 4013 return SUCCESS; 4014 } 4015 4016 /* Sets up the bap to start exchange data. whichbap should 4017 * be one of the BAP0 or BAP1 defines. Locks should be held before 4018 * calling! */ 4019 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap) 4020 { 4021 int timeout = 50; 4022 int max_tries = 3; 4023 4024 OUT4500(ai, SELECT0+whichbap, rid); 4025 OUT4500(ai, OFFSET0+whichbap, offset); 4026 while (1) { 4027 int status = IN4500(ai, OFFSET0+whichbap); 4028 if (status & BAP_BUSY) { 4029 /* This isn't really a timeout, but its kinda 4030 close */ 4031 if (timeout--) { 4032 continue; 4033 } 4034 } else if (status & BAP_ERR) { 4035 /* invalid rid or offset */ 4036 airo_print_err(ai->dev->name, "BAP error %x %d", 4037 status, whichbap); 4038 return ERROR; 4039 } else if (status & BAP_DONE) { // success 4040 return SUCCESS; 4041 } 4042 if (!(max_tries--)) { 4043 airo_print_err(ai->dev->name, 4044 "BAP setup error too many retries\n"); 4045 return ERROR; 4046 } 4047 // -- PC4500 missed it, try again 4048 OUT4500(ai, SELECT0+whichbap, rid); 4049 OUT4500(ai, OFFSET0+whichbap, offset); 4050 timeout = 50; 4051 } 4052 } 4053 4054 /* should only be called by aux_bap_read. This aux function and the 4055 following use concepts not documented in the developers guide. I 4056 got them from a patch given to my by Aironet */ 4057 static u16 aux_setup(struct airo_info *ai, u16 page, 4058 u16 offset, u16 *len) 4059 { 4060 u16 next; 4061 4062 OUT4500(ai, AUXPAGE, page); 4063 OUT4500(ai, AUXOFF, 0); 4064 next = IN4500(ai, AUXDATA); 4065 *len = IN4500(ai, AUXDATA)&0xff; 4066 if (offset != 4) OUT4500(ai, AUXOFF, offset); 4067 return next; 4068 } 4069 4070 /* requires call to bap_setup() first */ 4071 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4072 int bytelen, int whichbap) 4073 { 4074 u16 len; 4075 u16 page; 4076 u16 offset; 4077 u16 next; 4078 int words; 4079 int i; 4080 unsigned long flags; 4081 4082 spin_lock_irqsave(&ai->aux_lock, flags); 4083 page = IN4500(ai, SWS0+whichbap); 4084 offset = IN4500(ai, SWS2+whichbap); 4085 next = aux_setup(ai, page, offset, &len); 4086 words = (bytelen+1)>>1; 4087 4088 for (i = 0; i<words;) { 4089 int count; 4090 count = (len>>1) < (words-i) ? (len>>1) : (words-i); 4091 if (!do8bitIO) 4092 insw(ai->dev->base_addr+DATA0+whichbap, 4093 pu16Dst+i, count); 4094 else 4095 insb(ai->dev->base_addr+DATA0+whichbap, 4096 pu16Dst+i, count << 1); 4097 i += count; 4098 if (i<words) { 4099 next = aux_setup(ai, next, 4, &len); 4100 } 4101 } 4102 spin_unlock_irqrestore(&ai->aux_lock, flags); 4103 return SUCCESS; 4104 } 4105 4106 4107 /* requires call to bap_setup() first */ 4108 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4109 int bytelen, int whichbap) 4110 { 4111 bytelen = (bytelen + 1) & (~1); // round up to even value 4112 if (!do8bitIO) 4113 insw(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1); 4114 else 4115 insb(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen); 4116 return SUCCESS; 4117 } 4118 4119 /* requires call to bap_setup() first */ 4120 static int bap_write(struct airo_info *ai, const __le16 *pu16Src, 4121 int bytelen, int whichbap) 4122 { 4123 bytelen = (bytelen + 1) & (~1); // round up to even value 4124 if (!do8bitIO) 4125 outsw(ai->dev->base_addr+DATA0+whichbap, 4126 pu16Src, bytelen>>1); 4127 else 4128 outsb(ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen); 4129 return SUCCESS; 4130 } 4131 4132 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd) 4133 { 4134 Cmd cmd; /* for issuing commands */ 4135 Resp rsp; /* response from commands */ 4136 u16 status; 4137 4138 memset(&cmd, 0, sizeof(cmd)); 4139 cmd.cmd = accmd; 4140 cmd.parm0 = rid; 4141 status = issuecommand(ai, &cmd, &rsp); 4142 if (status != 0) return status; 4143 if ((rsp.status & 0x7F00) != 0) { 4144 return (accmd << 8) + (rsp.rsp0 & 0xFF); 4145 } 4146 return 0; 4147 } 4148 4149 /* Note, that we are using BAP1 which is also used by transmit, so 4150 * we must get a lock. */ 4151 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock) 4152 { 4153 u16 status; 4154 int rc = SUCCESS; 4155 4156 if (lock) { 4157 if (down_interruptible(&ai->sem)) 4158 return ERROR; 4159 } 4160 if (test_bit(FLAG_MPI,&ai->flags)) { 4161 Cmd cmd; 4162 Resp rsp; 4163 4164 memset(&cmd, 0, sizeof(cmd)); 4165 memset(&rsp, 0, sizeof(rsp)); 4166 ai->config_desc.rid_desc.valid = 1; 4167 ai->config_desc.rid_desc.len = RIDSIZE; 4168 ai->config_desc.rid_desc.rid = 0; 4169 ai->config_desc.rid_desc.host_addr = ai->ridbus; 4170 4171 cmd.cmd = CMD_ACCESS; 4172 cmd.parm0 = rid; 4173 4174 memcpy_toio(ai->config_desc.card_ram_off, 4175 &ai->config_desc.rid_desc, sizeof(Rid)); 4176 4177 rc = issuecommand(ai, &cmd, &rsp); 4178 4179 if (rsp.status & 0x7f00) 4180 rc = rsp.rsp0; 4181 if (!rc) 4182 memcpy(pBuf, ai->config_desc.virtual_host_addr, len); 4183 goto done; 4184 } else { 4185 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) { 4186 rc = status; 4187 goto done; 4188 } 4189 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4190 rc = ERROR; 4191 goto done; 4192 } 4193 // read the rid length field 4194 bap_read(ai, pBuf, 2, BAP1); 4195 // length for remaining part of rid 4196 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2; 4197 4198 if (len <= 2) { 4199 airo_print_err(ai->dev->name, 4200 "Rid %x has a length of %d which is too short", 4201 (int)rid, (int)len); 4202 rc = ERROR; 4203 goto done; 4204 } 4205 // read remainder of the rid 4206 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1); 4207 } 4208 done: 4209 if (lock) 4210 up(&ai->sem); 4211 return rc; 4212 } 4213 4214 /* Note, that we are using BAP1 which is also used by transmit, so 4215 * make sure this isn't called when a transmit is happening */ 4216 static int PC4500_writerid(struct airo_info *ai, u16 rid, 4217 const void *pBuf, int len, int lock) 4218 { 4219 u16 status; 4220 int rc = SUCCESS; 4221 4222 *(__le16*)pBuf = cpu_to_le16((u16)len); 4223 4224 if (lock) { 4225 if (down_interruptible(&ai->sem)) 4226 return ERROR; 4227 } 4228 if (test_bit(FLAG_MPI,&ai->flags)) { 4229 Cmd cmd; 4230 Resp rsp; 4231 4232 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid)) 4233 airo_print_err(ai->dev->name, 4234 "%s: MAC should be disabled (rid=%04x)", 4235 __func__, rid); 4236 memset(&cmd, 0, sizeof(cmd)); 4237 memset(&rsp, 0, sizeof(rsp)); 4238 4239 ai->config_desc.rid_desc.valid = 1; 4240 ai->config_desc.rid_desc.len = *((u16 *)pBuf); 4241 ai->config_desc.rid_desc.rid = 0; 4242 4243 cmd.cmd = CMD_WRITERID; 4244 cmd.parm0 = rid; 4245 4246 memcpy_toio(ai->config_desc.card_ram_off, 4247 &ai->config_desc.rid_desc, sizeof(Rid)); 4248 4249 if (len < 4 || len > 2047) { 4250 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len); 4251 rc = -1; 4252 } else { 4253 memcpy(ai->config_desc.virtual_host_addr, 4254 pBuf, len); 4255 4256 rc = issuecommand(ai, &cmd, &rsp); 4257 if ((rc & 0xff00) != 0) { 4258 airo_print_err(ai->dev->name, "%s: Write rid Error %d", 4259 __func__, rc); 4260 airo_print_err(ai->dev->name, "%s: Cmd=%04x", 4261 __func__, cmd.cmd); 4262 } 4263 4264 if ((rsp.status & 0x7f00)) 4265 rc = rsp.rsp0; 4266 } 4267 } else { 4268 // --- first access so that we can write the rid data 4269 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) { 4270 rc = status; 4271 goto done; 4272 } 4273 // --- now write the rid data 4274 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4275 rc = ERROR; 4276 goto done; 4277 } 4278 bap_write(ai, pBuf, len, BAP1); 4279 // ---now commit the rid data 4280 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS); 4281 } 4282 done: 4283 if (lock) 4284 up(&ai->sem); 4285 return rc; 4286 } 4287 4288 /* Allocates a FID to be used for transmitting packets. We only use 4289 one for now. */ 4290 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw) 4291 { 4292 unsigned int loop = 3000; 4293 Cmd cmd; 4294 Resp rsp; 4295 u16 txFid; 4296 __le16 txControl; 4297 4298 cmd.cmd = CMD_ALLOCATETX; 4299 cmd.parm0 = lenPayload; 4300 if (down_interruptible(&ai->sem)) 4301 return ERROR; 4302 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) { 4303 txFid = ERROR; 4304 goto done; 4305 } 4306 if ((rsp.status & 0xFF00) != 0) { 4307 txFid = ERROR; 4308 goto done; 4309 } 4310 /* wait for the allocate event/indication 4311 * It makes me kind of nervous that this can just sit here and spin, 4312 * but in practice it only loops like four times. */ 4313 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop); 4314 if (!loop) { 4315 txFid = ERROR; 4316 goto done; 4317 } 4318 4319 // get the allocated fid and acknowledge 4320 txFid = IN4500(ai, TXALLOCFID); 4321 OUT4500(ai, EVACK, EV_ALLOC); 4322 4323 /* The CARD is pretty cool since it converts the ethernet packet 4324 * into 802.11. Also note that we don't release the FID since we 4325 * will be using the same one over and over again. */ 4326 /* We only have to setup the control once since we are not 4327 * releasing the fid. */ 4328 if (raw) 4329 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11 4330 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4331 else 4332 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3 4333 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4334 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) 4335 txFid = ERROR; 4336 else 4337 bap_write(ai, &txControl, sizeof(txControl), BAP1); 4338 4339 done: 4340 up(&ai->sem); 4341 4342 return txFid; 4343 } 4344 4345 /* In general BAP1 is dedicated to transmiting packets. However, 4346 since we need a BAP when accessing RIDs, we also use BAP1 for that. 4347 Make sure the BAP1 spinlock is held when this is called. */ 4348 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket) 4349 { 4350 __le16 payloadLen; 4351 Cmd cmd; 4352 Resp rsp; 4353 int miclen = 0; 4354 u16 txFid = len; 4355 MICBuffer pMic; 4356 4357 len >>= 16; 4358 4359 if (len <= ETH_ALEN * 2) { 4360 airo_print_warn(ai->dev->name, "Short packet %d", len); 4361 return ERROR; 4362 } 4363 len -= ETH_ALEN * 2; 4364 4365 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 4366 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) { 4367 if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS) 4368 return ERROR; 4369 miclen = sizeof(pMic); 4370 } 4371 // packet is destination[6], source[6], payload[len-12] 4372 // write the payload length and dst/src/payload 4373 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR; 4374 /* The hardware addresses aren't counted as part of the payload, so 4375 * we have to subtract the 12 bytes for the addresses off */ 4376 payloadLen = cpu_to_le16(len + miclen); 4377 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); 4378 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1); 4379 if (miclen) 4380 bap_write(ai, (__le16*)&pMic, miclen, BAP1); 4381 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1); 4382 // issue the transmit command 4383 memset(&cmd, 0, sizeof(cmd)); 4384 cmd.cmd = CMD_TRANSMIT; 4385 cmd.parm0 = txFid; 4386 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR; 4387 if ((rsp.status & 0xFF00) != 0) return ERROR; 4388 return SUCCESS; 4389 } 4390 4391 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket) 4392 { 4393 __le16 fc, payloadLen; 4394 Cmd cmd; 4395 Resp rsp; 4396 int hdrlen; 4397 static u8 tail[(30-10) + 2 + 6] = {[30-10] = 6}; 4398 /* padding of header to full size + le16 gaplen (6) + gaplen bytes */ 4399 u16 txFid = len; 4400 len >>= 16; 4401 4402 fc = *(__le16*)pPacket; 4403 hdrlen = header_len(fc); 4404 4405 if (len < hdrlen) { 4406 airo_print_warn(ai->dev->name, "Short packet %d", len); 4407 return ERROR; 4408 } 4409 4410 /* packet is 802.11 header + payload 4411 * write the payload length and dst/src/payload */ 4412 if (bap_setup(ai, txFid, 6, BAP1) != SUCCESS) return ERROR; 4413 /* The 802.11 header aren't counted as part of the payload, so 4414 * we have to subtract the header bytes off */ 4415 payloadLen = cpu_to_le16(len-hdrlen); 4416 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); 4417 if (bap_setup(ai, txFid, 0x0014, BAP1) != SUCCESS) return ERROR; 4418 bap_write(ai, (__le16 *)pPacket, hdrlen, BAP1); 4419 bap_write(ai, (__le16 *)(tail + (hdrlen - 10)), 38 - hdrlen, BAP1); 4420 4421 bap_write(ai, (__le16 *)(pPacket + hdrlen), len - hdrlen, BAP1); 4422 // issue the transmit command 4423 memset(&cmd, 0, sizeof(cmd)); 4424 cmd.cmd = CMD_TRANSMIT; 4425 cmd.parm0 = txFid; 4426 if (issuecommand(ai, &cmd, &rsp) != SUCCESS) return ERROR; 4427 if ((rsp.status & 0xFF00) != 0) return ERROR; 4428 return SUCCESS; 4429 } 4430 4431 /* 4432 * This is the proc_fs routines. It is a bit messier than I would 4433 * like! Feel free to clean it up! 4434 */ 4435 4436 static ssize_t proc_read(struct file *file, 4437 char __user *buffer, 4438 size_t len, 4439 loff_t *offset); 4440 4441 static ssize_t proc_write(struct file *file, 4442 const char __user *buffer, 4443 size_t len, 4444 loff_t *offset); 4445 static int proc_close(struct inode *inode, struct file *file); 4446 4447 static int proc_stats_open(struct inode *inode, struct file *file); 4448 static int proc_statsdelta_open(struct inode *inode, struct file *file); 4449 static int proc_status_open(struct inode *inode, struct file *file); 4450 static int proc_SSID_open(struct inode *inode, struct file *file); 4451 static int proc_APList_open(struct inode *inode, struct file *file); 4452 static int proc_BSSList_open(struct inode *inode, struct file *file); 4453 static int proc_config_open(struct inode *inode, struct file *file); 4454 static int proc_wepkey_open(struct inode *inode, struct file *file); 4455 4456 static const struct proc_ops proc_statsdelta_ops = { 4457 .proc_read = proc_read, 4458 .proc_open = proc_statsdelta_open, 4459 .proc_release = proc_close, 4460 .proc_lseek = default_llseek, 4461 }; 4462 4463 static const struct proc_ops proc_stats_ops = { 4464 .proc_read = proc_read, 4465 .proc_open = proc_stats_open, 4466 .proc_release = proc_close, 4467 .proc_lseek = default_llseek, 4468 }; 4469 4470 static const struct proc_ops proc_status_ops = { 4471 .proc_read = proc_read, 4472 .proc_open = proc_status_open, 4473 .proc_release = proc_close, 4474 .proc_lseek = default_llseek, 4475 }; 4476 4477 static const struct proc_ops proc_SSID_ops = { 4478 .proc_read = proc_read, 4479 .proc_write = proc_write, 4480 .proc_open = proc_SSID_open, 4481 .proc_release = proc_close, 4482 .proc_lseek = default_llseek, 4483 }; 4484 4485 static const struct proc_ops proc_BSSList_ops = { 4486 .proc_read = proc_read, 4487 .proc_write = proc_write, 4488 .proc_open = proc_BSSList_open, 4489 .proc_release = proc_close, 4490 .proc_lseek = default_llseek, 4491 }; 4492 4493 static const struct proc_ops proc_APList_ops = { 4494 .proc_read = proc_read, 4495 .proc_write = proc_write, 4496 .proc_open = proc_APList_open, 4497 .proc_release = proc_close, 4498 .proc_lseek = default_llseek, 4499 }; 4500 4501 static const struct proc_ops proc_config_ops = { 4502 .proc_read = proc_read, 4503 .proc_write = proc_write, 4504 .proc_open = proc_config_open, 4505 .proc_release = proc_close, 4506 .proc_lseek = default_llseek, 4507 }; 4508 4509 static const struct proc_ops proc_wepkey_ops = { 4510 .proc_read = proc_read, 4511 .proc_write = proc_write, 4512 .proc_open = proc_wepkey_open, 4513 .proc_release = proc_close, 4514 .proc_lseek = default_llseek, 4515 }; 4516 4517 static struct proc_dir_entry *airo_entry; 4518 4519 struct proc_data { 4520 int release_buffer; 4521 int readlen; 4522 char *rbuffer; 4523 int writelen; 4524 int maxwritelen; 4525 char *wbuffer; 4526 void (*on_close) (struct inode *, struct file *); 4527 }; 4528 4529 static int setup_proc_entry(struct net_device *dev, 4530 struct airo_info *apriv) 4531 { 4532 struct proc_dir_entry *entry; 4533 4534 /* First setup the device directory */ 4535 strcpy(apriv->proc_name, dev->name); 4536 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm, 4537 airo_entry); 4538 if (!apriv->proc_entry) 4539 return -ENOMEM; 4540 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid); 4541 4542 /* Setup the StatsDelta */ 4543 entry = proc_create_data("StatsDelta", 0444 & proc_perm, 4544 apriv->proc_entry, &proc_statsdelta_ops, dev); 4545 if (!entry) 4546 goto fail; 4547 proc_set_user(entry, proc_kuid, proc_kgid); 4548 4549 /* Setup the Stats */ 4550 entry = proc_create_data("Stats", 0444 & proc_perm, 4551 apriv->proc_entry, &proc_stats_ops, dev); 4552 if (!entry) 4553 goto fail; 4554 proc_set_user(entry, proc_kuid, proc_kgid); 4555 4556 /* Setup the Status */ 4557 entry = proc_create_data("Status", 0444 & proc_perm, 4558 apriv->proc_entry, &proc_status_ops, dev); 4559 if (!entry) 4560 goto fail; 4561 proc_set_user(entry, proc_kuid, proc_kgid); 4562 4563 /* Setup the Config */ 4564 entry = proc_create_data("Config", proc_perm, 4565 apriv->proc_entry, &proc_config_ops, dev); 4566 if (!entry) 4567 goto fail; 4568 proc_set_user(entry, proc_kuid, proc_kgid); 4569 4570 /* Setup the SSID */ 4571 entry = proc_create_data("SSID", proc_perm, 4572 apriv->proc_entry, &proc_SSID_ops, dev); 4573 if (!entry) 4574 goto fail; 4575 proc_set_user(entry, proc_kuid, proc_kgid); 4576 4577 /* Setup the APList */ 4578 entry = proc_create_data("APList", proc_perm, 4579 apriv->proc_entry, &proc_APList_ops, dev); 4580 if (!entry) 4581 goto fail; 4582 proc_set_user(entry, proc_kuid, proc_kgid); 4583 4584 /* Setup the BSSList */ 4585 entry = proc_create_data("BSSList", proc_perm, 4586 apriv->proc_entry, &proc_BSSList_ops, dev); 4587 if (!entry) 4588 goto fail; 4589 proc_set_user(entry, proc_kuid, proc_kgid); 4590 4591 /* Setup the WepKey */ 4592 entry = proc_create_data("WepKey", proc_perm, 4593 apriv->proc_entry, &proc_wepkey_ops, dev); 4594 if (!entry) 4595 goto fail; 4596 proc_set_user(entry, proc_kuid, proc_kgid); 4597 return 0; 4598 4599 fail: 4600 remove_proc_subtree(apriv->proc_name, airo_entry); 4601 return -ENOMEM; 4602 } 4603 4604 static int takedown_proc_entry(struct net_device *dev, 4605 struct airo_info *apriv) 4606 { 4607 remove_proc_subtree(apriv->proc_name, airo_entry); 4608 return 0; 4609 } 4610 4611 /* 4612 * What we want from the proc_fs is to be able to efficiently read 4613 * and write the configuration. To do this, we want to read the 4614 * configuration when the file is opened and write it when the file is 4615 * closed. So basically we allocate a read buffer at open and fill it 4616 * with data, and allocate a write buffer and read it at close. 4617 */ 4618 4619 /* 4620 * The read routine is generic, it relies on the preallocated rbuffer 4621 * to supply the data. 4622 */ 4623 static ssize_t proc_read(struct file *file, 4624 char __user *buffer, 4625 size_t len, 4626 loff_t *offset) 4627 { 4628 struct proc_data *priv = file->private_data; 4629 4630 if (!priv->rbuffer) 4631 return -EINVAL; 4632 4633 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer, 4634 priv->readlen); 4635 } 4636 4637 /* 4638 * The write routine is generic, it fills in a preallocated rbuffer 4639 * to supply the data. 4640 */ 4641 static ssize_t proc_write(struct file *file, 4642 const char __user *buffer, 4643 size_t len, 4644 loff_t *offset) 4645 { 4646 ssize_t ret; 4647 struct proc_data *priv = file->private_data; 4648 4649 if (!priv->wbuffer) 4650 return -EINVAL; 4651 4652 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset, 4653 buffer, len); 4654 if (ret > 0) 4655 priv->writelen = max_t(int, priv->writelen, *offset); 4656 4657 return ret; 4658 } 4659 4660 static int proc_status_open(struct inode *inode, struct file *file) 4661 { 4662 struct proc_data *data; 4663 struct net_device *dev = PDE_DATA(inode); 4664 struct airo_info *apriv = dev->ml_priv; 4665 CapabilityRid cap_rid; 4666 StatusRid status_rid; 4667 u16 mode; 4668 int i; 4669 4670 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4671 return -ENOMEM; 4672 data = file->private_data; 4673 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 4674 kfree (file->private_data); 4675 return -ENOMEM; 4676 } 4677 4678 readStatusRid(apriv, &status_rid, 1); 4679 readCapabilityRid(apriv, &cap_rid, 1); 4680 4681 mode = le16_to_cpu(status_rid.mode); 4682 4683 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n", 4684 mode & 1 ? "CFG ": "", 4685 mode & 2 ? "ACT ": "", 4686 mode & 0x10 ? "SYN ": "", 4687 mode & 0x20 ? "LNK ": "", 4688 mode & 0x40 ? "LEAP ": "", 4689 mode & 0x80 ? "PRIV ": "", 4690 mode & 0x100 ? "KEY ": "", 4691 mode & 0x200 ? "WEP ": "", 4692 mode & 0x8000 ? "ERR ": ""); 4693 sprintf(data->rbuffer+i, "Mode: %x\n" 4694 "Signal Strength: %d\n" 4695 "Signal Quality: %d\n" 4696 "SSID: %-.*s\n" 4697 "AP: %-.16s\n" 4698 "Freq: %d\n" 4699 "BitRate: %dmbs\n" 4700 "Driver Version: %s\n" 4701 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n" 4702 "Radio type: %x\nCountry: %x\nHardware Version: %x\n" 4703 "Software Version: %x\nSoftware Subversion: %x\n" 4704 "Boot block version: %x\n", 4705 le16_to_cpu(status_rid.mode), 4706 le16_to_cpu(status_rid.normalizedSignalStrength), 4707 le16_to_cpu(status_rid.signalQuality), 4708 le16_to_cpu(status_rid.SSIDlen), 4709 status_rid.SSID, 4710 status_rid.apName, 4711 le16_to_cpu(status_rid.channel), 4712 le16_to_cpu(status_rid.currentXmitRate) / 2, 4713 version, 4714 cap_rid.prodName, 4715 cap_rid.manName, 4716 cap_rid.prodVer, 4717 le16_to_cpu(cap_rid.radioType), 4718 le16_to_cpu(cap_rid.country), 4719 le16_to_cpu(cap_rid.hardVer), 4720 le16_to_cpu(cap_rid.softVer), 4721 le16_to_cpu(cap_rid.softSubVer), 4722 le16_to_cpu(cap_rid.bootBlockVer)); 4723 data->readlen = strlen(data->rbuffer); 4724 return 0; 4725 } 4726 4727 static int proc_stats_rid_open(struct inode*, struct file*, u16); 4728 static int proc_statsdelta_open(struct inode *inode, 4729 struct file *file) 4730 { 4731 if (file->f_mode&FMODE_WRITE) { 4732 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR); 4733 } 4734 return proc_stats_rid_open(inode, file, RID_STATSDELTA); 4735 } 4736 4737 static int proc_stats_open(struct inode *inode, struct file *file) 4738 { 4739 return proc_stats_rid_open(inode, file, RID_STATS); 4740 } 4741 4742 static int proc_stats_rid_open(struct inode *inode, 4743 struct file *file, 4744 u16 rid) 4745 { 4746 struct proc_data *data; 4747 struct net_device *dev = PDE_DATA(inode); 4748 struct airo_info *apriv = dev->ml_priv; 4749 StatsRid stats; 4750 int i, j; 4751 __le32 *vals = stats.vals; 4752 int len; 4753 4754 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4755 return -ENOMEM; 4756 data = file->private_data; 4757 if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) { 4758 kfree (file->private_data); 4759 return -ENOMEM; 4760 } 4761 4762 readStatsRid(apriv, &stats, rid, 1); 4763 len = le16_to_cpu(stats.len); 4764 4765 j = 0; 4766 for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) { 4767 if (!statsLabels[i]) continue; 4768 if (j+strlen(statsLabels[i])+16>4096) { 4769 airo_print_warn(apriv->dev->name, 4770 "Potentially disastrous buffer overflow averted!"); 4771 break; 4772 } 4773 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], 4774 le32_to_cpu(vals[i])); 4775 } 4776 if (i*4 >= len) { 4777 airo_print_warn(apriv->dev->name, "Got a short rid"); 4778 } 4779 data->readlen = j; 4780 return 0; 4781 } 4782 4783 static int get_dec_u16(char *buffer, int *start, int limit) 4784 { 4785 u16 value; 4786 int valid = 0; 4787 for (value = 0; *start < limit && buffer[*start] >= '0' && 4788 buffer[*start] <= '9'; (*start)++) { 4789 valid = 1; 4790 value *= 10; 4791 value += buffer[*start] - '0'; 4792 } 4793 if (!valid) return -1; 4794 return value; 4795 } 4796 4797 static int airo_config_commit(struct net_device *dev, 4798 struct iw_request_info *info, void *zwrq, 4799 char *extra); 4800 4801 static inline int sniffing_mode(struct airo_info *ai) 4802 { 4803 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >= 4804 le16_to_cpu(RXMODE_RFMON); 4805 } 4806 4807 static void proc_config_on_close(struct inode *inode, struct file *file) 4808 { 4809 struct proc_data *data = file->private_data; 4810 struct net_device *dev = PDE_DATA(inode); 4811 struct airo_info *ai = dev->ml_priv; 4812 char *line; 4813 4814 if (!data->writelen) return; 4815 4816 readConfigRid(ai, 1); 4817 set_bit (FLAG_COMMIT, &ai->flags); 4818 4819 line = data->wbuffer; 4820 while (line[0]) { 4821 /*** Mode processing */ 4822 if (!strncmp(line, "Mode: ", 6)) { 4823 line += 6; 4824 if (sniffing_mode(ai)) 4825 set_bit (FLAG_RESET, &ai->flags); 4826 ai->config.rmode &= ~RXMODE_FULL_MASK; 4827 clear_bit (FLAG_802_11, &ai->flags); 4828 ai->config.opmode &= ~MODE_CFG_MASK; 4829 ai->config.scanMode = SCANMODE_ACTIVE; 4830 if (line[0] == 'a') { 4831 ai->config.opmode |= MODE_STA_IBSS; 4832 } else { 4833 ai->config.opmode |= MODE_STA_ESS; 4834 if (line[0] == 'r') { 4835 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 4836 ai->config.scanMode = SCANMODE_PASSIVE; 4837 set_bit (FLAG_802_11, &ai->flags); 4838 } else if (line[0] == 'y') { 4839 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER; 4840 ai->config.scanMode = SCANMODE_PASSIVE; 4841 set_bit (FLAG_802_11, &ai->flags); 4842 } else if (line[0] == 'l') 4843 ai->config.rmode |= RXMODE_LANMON; 4844 } 4845 set_bit (FLAG_COMMIT, &ai->flags); 4846 } 4847 4848 /*** Radio status */ 4849 else if (!strncmp(line,"Radio: ", 7)) { 4850 line += 7; 4851 if (!strncmp(line,"off", 3)) { 4852 set_bit (FLAG_RADIO_OFF, &ai->flags); 4853 } else { 4854 clear_bit (FLAG_RADIO_OFF, &ai->flags); 4855 } 4856 } 4857 /*** NodeName processing */ 4858 else if (!strncmp(line, "NodeName: ", 10)) { 4859 int j; 4860 4861 line += 10; 4862 memset(ai->config.nodeName, 0, 16); 4863 /* Do the name, assume a space between the mode and node name */ 4864 for (j = 0; j < 16 && line[j] != '\n'; j++) { 4865 ai->config.nodeName[j] = line[j]; 4866 } 4867 set_bit (FLAG_COMMIT, &ai->flags); 4868 } 4869 4870 /*** PowerMode processing */ 4871 else if (!strncmp(line, "PowerMode: ", 11)) { 4872 line += 11; 4873 if (!strncmp(line, "PSPCAM", 6)) { 4874 ai->config.powerSaveMode = POWERSAVE_PSPCAM; 4875 set_bit (FLAG_COMMIT, &ai->flags); 4876 } else if (!strncmp(line, "PSP", 3)) { 4877 ai->config.powerSaveMode = POWERSAVE_PSP; 4878 set_bit (FLAG_COMMIT, &ai->flags); 4879 } else { 4880 ai->config.powerSaveMode = POWERSAVE_CAM; 4881 set_bit (FLAG_COMMIT, &ai->flags); 4882 } 4883 } else if (!strncmp(line, "DataRates: ", 11)) { 4884 int v, i = 0, k = 0; /* i is index into line, 4885 k is index to rates */ 4886 4887 line += 11; 4888 while ((v = get_dec_u16(line, &i, 3))!=-1) { 4889 ai->config.rates[k++] = (u8)v; 4890 line += i + 1; 4891 i = 0; 4892 } 4893 set_bit (FLAG_COMMIT, &ai->flags); 4894 } else if (!strncmp(line, "Channel: ", 9)) { 4895 int v, i = 0; 4896 line += 9; 4897 v = get_dec_u16(line, &i, i+3); 4898 if (v != -1) { 4899 ai->config.channelSet = cpu_to_le16(v); 4900 set_bit (FLAG_COMMIT, &ai->flags); 4901 } 4902 } else if (!strncmp(line, "XmitPower: ", 11)) { 4903 int v, i = 0; 4904 line += 11; 4905 v = get_dec_u16(line, &i, i+3); 4906 if (v != -1) { 4907 ai->config.txPower = cpu_to_le16(v); 4908 set_bit (FLAG_COMMIT, &ai->flags); 4909 } 4910 } else if (!strncmp(line, "WEP: ", 5)) { 4911 line += 5; 4912 switch(line[0]) { 4913 case 's': 4914 set_auth_type(ai, AUTH_SHAREDKEY); 4915 break; 4916 case 'e': 4917 set_auth_type(ai, AUTH_ENCRYPT); 4918 break; 4919 default: 4920 set_auth_type(ai, AUTH_OPEN); 4921 break; 4922 } 4923 set_bit (FLAG_COMMIT, &ai->flags); 4924 } else if (!strncmp(line, "LongRetryLimit: ", 16)) { 4925 int v, i = 0; 4926 4927 line += 16; 4928 v = get_dec_u16(line, &i, 3); 4929 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4930 ai->config.longRetryLimit = cpu_to_le16(v); 4931 set_bit (FLAG_COMMIT, &ai->flags); 4932 } else if (!strncmp(line, "ShortRetryLimit: ", 17)) { 4933 int v, i = 0; 4934 4935 line += 17; 4936 v = get_dec_u16(line, &i, 3); 4937 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4938 ai->config.shortRetryLimit = cpu_to_le16(v); 4939 set_bit (FLAG_COMMIT, &ai->flags); 4940 } else if (!strncmp(line, "RTSThreshold: ", 14)) { 4941 int v, i = 0; 4942 4943 line += 14; 4944 v = get_dec_u16(line, &i, 4); 4945 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4946 ai->config.rtsThres = cpu_to_le16(v); 4947 set_bit (FLAG_COMMIT, &ai->flags); 4948 } else if (!strncmp(line, "TXMSDULifetime: ", 16)) { 4949 int v, i = 0; 4950 4951 line += 16; 4952 v = get_dec_u16(line, &i, 5); 4953 v = (v<0) ? 0 : v; 4954 ai->config.txLifetime = cpu_to_le16(v); 4955 set_bit (FLAG_COMMIT, &ai->flags); 4956 } else if (!strncmp(line, "RXMSDULifetime: ", 16)) { 4957 int v, i = 0; 4958 4959 line += 16; 4960 v = get_dec_u16(line, &i, 5); 4961 v = (v<0) ? 0 : v; 4962 ai->config.rxLifetime = cpu_to_le16(v); 4963 set_bit (FLAG_COMMIT, &ai->flags); 4964 } else if (!strncmp(line, "TXDiversity: ", 13)) { 4965 ai->config.txDiversity = 4966 (line[13]=='l') ? 1 : 4967 ((line[13]=='r')? 2: 3); 4968 set_bit (FLAG_COMMIT, &ai->flags); 4969 } else if (!strncmp(line, "RXDiversity: ", 13)) { 4970 ai->config.rxDiversity = 4971 (line[13]=='l') ? 1 : 4972 ((line[13]=='r')? 2: 3); 4973 set_bit (FLAG_COMMIT, &ai->flags); 4974 } else if (!strncmp(line, "FragThreshold: ", 15)) { 4975 int v, i = 0; 4976 4977 line += 15; 4978 v = get_dec_u16(line, &i, 4); 4979 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4980 v = v & 0xfffe; /* Make sure its even */ 4981 ai->config.fragThresh = cpu_to_le16(v); 4982 set_bit (FLAG_COMMIT, &ai->flags); 4983 } else if (!strncmp(line, "Modulation: ", 12)) { 4984 line += 12; 4985 switch(*line) { 4986 case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break; 4987 case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break; 4988 case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break; 4989 default: airo_print_warn(ai->dev->name, "Unknown modulation"); 4990 } 4991 } else if (!strncmp(line, "Preamble: ", 10)) { 4992 line += 10; 4993 switch(*line) { 4994 case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break; 4995 case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break; 4996 case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break; 4997 default: airo_print_warn(ai->dev->name, "Unknown preamble"); 4998 } 4999 } else { 5000 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line); 5001 } 5002 while (line[0] && line[0] != '\n') line++; 5003 if (line[0]) line++; 5004 } 5005 airo_config_commit(dev, NULL, NULL, NULL); 5006 } 5007 5008 static const char *get_rmode(__le16 mode) 5009 { 5010 switch(mode & RXMODE_MASK) { 5011 case RXMODE_RFMON: return "rfmon"; 5012 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon"; 5013 case RXMODE_LANMON: return "lanmon"; 5014 } 5015 return "ESS"; 5016 } 5017 5018 static int proc_config_open(struct inode *inode, struct file *file) 5019 { 5020 struct proc_data *data; 5021 struct net_device *dev = PDE_DATA(inode); 5022 struct airo_info *ai = dev->ml_priv; 5023 int i; 5024 __le16 mode; 5025 5026 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5027 return -ENOMEM; 5028 data = file->private_data; 5029 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 5030 kfree (file->private_data); 5031 return -ENOMEM; 5032 } 5033 if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) { 5034 kfree (data->rbuffer); 5035 kfree (file->private_data); 5036 return -ENOMEM; 5037 } 5038 data->maxwritelen = 2048; 5039 data->on_close = proc_config_on_close; 5040 5041 readConfigRid(ai, 1); 5042 5043 mode = ai->config.opmode & MODE_CFG_MASK; 5044 i = sprintf(data->rbuffer, 5045 "Mode: %s\n" 5046 "Radio: %s\n" 5047 "NodeName: %-16s\n" 5048 "PowerMode: %s\n" 5049 "DataRates: %d %d %d %d %d %d %d %d\n" 5050 "Channel: %d\n" 5051 "XmitPower: %d\n", 5052 mode == MODE_STA_IBSS ? "adhoc" : 5053 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode): 5054 mode == MODE_AP ? "AP" : 5055 mode == MODE_AP_RPTR ? "AP RPTR" : "Error", 5056 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on", 5057 ai->config.nodeName, 5058 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" : 5059 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" : 5060 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" : 5061 "Error", 5062 (int)ai->config.rates[0], 5063 (int)ai->config.rates[1], 5064 (int)ai->config.rates[2], 5065 (int)ai->config.rates[3], 5066 (int)ai->config.rates[4], 5067 (int)ai->config.rates[5], 5068 (int)ai->config.rates[6], 5069 (int)ai->config.rates[7], 5070 le16_to_cpu(ai->config.channelSet), 5071 le16_to_cpu(ai->config.txPower) 5072 ); 5073 sprintf(data->rbuffer + i, 5074 "LongRetryLimit: %d\n" 5075 "ShortRetryLimit: %d\n" 5076 "RTSThreshold: %d\n" 5077 "TXMSDULifetime: %d\n" 5078 "RXMSDULifetime: %d\n" 5079 "TXDiversity: %s\n" 5080 "RXDiversity: %s\n" 5081 "FragThreshold: %d\n" 5082 "WEP: %s\n" 5083 "Modulation: %s\n" 5084 "Preamble: %s\n", 5085 le16_to_cpu(ai->config.longRetryLimit), 5086 le16_to_cpu(ai->config.shortRetryLimit), 5087 le16_to_cpu(ai->config.rtsThres), 5088 le16_to_cpu(ai->config.txLifetime), 5089 le16_to_cpu(ai->config.rxLifetime), 5090 ai->config.txDiversity == 1 ? "left" : 5091 ai->config.txDiversity == 2 ? "right" : "both", 5092 ai->config.rxDiversity == 1 ? "left" : 5093 ai->config.rxDiversity == 2 ? "right" : "both", 5094 le16_to_cpu(ai->config.fragThresh), 5095 ai->config.authType == AUTH_ENCRYPT ? "encrypt" : 5096 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open", 5097 ai->config.modulation == MOD_DEFAULT ? "default" : 5098 ai->config.modulation == MOD_CCK ? "cck" : 5099 ai->config.modulation == MOD_MOK ? "mok" : "error", 5100 ai->config.preamble == PREAMBLE_AUTO ? "auto" : 5101 ai->config.preamble == PREAMBLE_LONG ? "long" : 5102 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error" 5103 ); 5104 data->readlen = strlen(data->rbuffer); 5105 return 0; 5106 } 5107 5108 static void proc_SSID_on_close(struct inode *inode, struct file *file) 5109 { 5110 struct proc_data *data = file->private_data; 5111 struct net_device *dev = PDE_DATA(inode); 5112 struct airo_info *ai = dev->ml_priv; 5113 SsidRid SSID_rid; 5114 int i; 5115 char *p = data->wbuffer; 5116 char *end = p + data->writelen; 5117 5118 if (!data->writelen) 5119 return; 5120 5121 *end = '\n'; /* sentinel; we have space for it */ 5122 5123 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5124 5125 for (i = 0; i < 3 && p < end; i++) { 5126 int j = 0; 5127 /* copy up to 32 characters from this line */ 5128 while (*p != '\n' && j < 32) 5129 SSID_rid.ssids[i].ssid[j++] = *p++; 5130 if (j == 0) 5131 break; 5132 SSID_rid.ssids[i].len = cpu_to_le16(j); 5133 /* skip to the beginning of the next line */ 5134 while (*p++ != '\n') 5135 ; 5136 } 5137 if (i) 5138 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5139 disable_MAC(ai, 1); 5140 writeSsidRid(ai, &SSID_rid, 1); 5141 enable_MAC(ai, 1); 5142 } 5143 5144 static void proc_APList_on_close(struct inode *inode, struct file *file) 5145 { 5146 struct proc_data *data = file->private_data; 5147 struct net_device *dev = PDE_DATA(inode); 5148 struct airo_info *ai = dev->ml_priv; 5149 APListRid *APList_rid = &ai->APList; 5150 int i; 5151 5152 if (!data->writelen) return; 5153 5154 memset(APList_rid, 0, sizeof(*APList_rid)); 5155 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5156 5157 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++) 5158 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]); 5159 5160 disable_MAC(ai, 1); 5161 writeAPListRid(ai, APList_rid, 1); 5162 enable_MAC(ai, 1); 5163 } 5164 5165 /* This function wraps PC4500_writerid with a MAC disable */ 5166 static int do_writerid(struct airo_info *ai, u16 rid, const void *rid_data, 5167 int len, int dummy) 5168 { 5169 int rc; 5170 5171 disable_MAC(ai, 1); 5172 rc = PC4500_writerid(ai, rid, rid_data, len, 1); 5173 enable_MAC(ai, 1); 5174 return rc; 5175 } 5176 5177 /* Returns the WEP key at the specified index, or -1 if that key does 5178 * not exist. The buffer is assumed to be at least 16 bytes in length. 5179 */ 5180 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen) 5181 { 5182 WepKeyRid wkr; 5183 int rc; 5184 __le16 lastindex; 5185 5186 rc = readWepKeyRid(ai, &wkr, 1, 1); 5187 if (rc != SUCCESS) 5188 return -1; 5189 do { 5190 lastindex = wkr.kindex; 5191 if (le16_to_cpu(wkr.kindex) == index) { 5192 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen)); 5193 memcpy(buf, wkr.key, klen); 5194 return klen; 5195 } 5196 rc = readWepKeyRid(ai, &wkr, 0, 1); 5197 if (rc != SUCCESS) 5198 return -1; 5199 } while (lastindex != wkr.kindex); 5200 return -1; 5201 } 5202 5203 static int get_wep_tx_idx(struct airo_info *ai) 5204 { 5205 WepKeyRid wkr; 5206 int rc; 5207 __le16 lastindex; 5208 5209 rc = readWepKeyRid(ai, &wkr, 1, 1); 5210 if (rc != SUCCESS) 5211 return -1; 5212 do { 5213 lastindex = wkr.kindex; 5214 if (wkr.kindex == cpu_to_le16(0xffff)) 5215 return wkr.mac[0]; 5216 rc = readWepKeyRid(ai, &wkr, 0, 1); 5217 if (rc != SUCCESS) 5218 return -1; 5219 } while (lastindex != wkr.kindex); 5220 return -1; 5221 } 5222 5223 static int set_wep_key(struct airo_info *ai, u16 index, const char *key, 5224 u16 keylen, int perm, int lock) 5225 { 5226 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; 5227 WepKeyRid wkr; 5228 int rc; 5229 5230 if (WARN_ON(keylen == 0)) 5231 return -1; 5232 5233 memset(&wkr, 0, sizeof(wkr)); 5234 wkr.len = cpu_to_le16(sizeof(wkr)); 5235 wkr.kindex = cpu_to_le16(index); 5236 wkr.klen = cpu_to_le16(keylen); 5237 memcpy(wkr.key, key, keylen); 5238 memcpy(wkr.mac, macaddr, ETH_ALEN); 5239 5240 if (perm) disable_MAC(ai, lock); 5241 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5242 if (perm) enable_MAC(ai, lock); 5243 return rc; 5244 } 5245 5246 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock) 5247 { 5248 WepKeyRid wkr; 5249 int rc; 5250 5251 memset(&wkr, 0, sizeof(wkr)); 5252 wkr.len = cpu_to_le16(sizeof(wkr)); 5253 wkr.kindex = cpu_to_le16(0xffff); 5254 wkr.mac[0] = (char)index; 5255 5256 if (perm) { 5257 ai->defindex = (char)index; 5258 disable_MAC(ai, lock); 5259 } 5260 5261 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5262 5263 if (perm) 5264 enable_MAC(ai, lock); 5265 return rc; 5266 } 5267 5268 static void proc_wepkey_on_close(struct inode *inode, struct file *file) 5269 { 5270 struct proc_data *data; 5271 struct net_device *dev = PDE_DATA(inode); 5272 struct airo_info *ai = dev->ml_priv; 5273 int i, rc; 5274 char key[16]; 5275 u16 index = 0; 5276 int j = 0; 5277 5278 memset(key, 0, sizeof(key)); 5279 5280 data = file->private_data; 5281 if (!data->writelen) return; 5282 5283 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' && 5284 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) { 5285 index = data->wbuffer[0] - '0'; 5286 if (data->wbuffer[1] == '\n') { 5287 rc = set_wep_tx_idx(ai, index, 1, 1); 5288 if (rc < 0) { 5289 airo_print_err(ai->dev->name, "failed to set " 5290 "WEP transmit index to %d: %d.", 5291 index, rc); 5292 } 5293 return; 5294 } 5295 j = 2; 5296 } else { 5297 airo_print_err(ai->dev->name, "WepKey passed invalid key index"); 5298 return; 5299 } 5300 5301 for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) { 5302 switch(i%3) { 5303 case 0: 5304 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4; 5305 break; 5306 case 1: 5307 key[i/3] |= hex_to_bin(data->wbuffer[i+j]); 5308 break; 5309 } 5310 } 5311 5312 rc = set_wep_key(ai, index, key, i/3, 1, 1); 5313 if (rc < 0) { 5314 airo_print_err(ai->dev->name, "failed to set WEP key at index " 5315 "%d: %d.", index, rc); 5316 } 5317 } 5318 5319 static int proc_wepkey_open(struct inode *inode, struct file *file) 5320 { 5321 struct proc_data *data; 5322 struct net_device *dev = PDE_DATA(inode); 5323 struct airo_info *ai = dev->ml_priv; 5324 char *ptr; 5325 WepKeyRid wkr; 5326 __le16 lastindex; 5327 int j = 0; 5328 int rc; 5329 5330 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5331 return -ENOMEM; 5332 memset(&wkr, 0, sizeof(wkr)); 5333 data = file->private_data; 5334 if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) { 5335 kfree (file->private_data); 5336 return -ENOMEM; 5337 } 5338 data->writelen = 0; 5339 data->maxwritelen = 80; 5340 if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) { 5341 kfree (data->rbuffer); 5342 kfree (file->private_data); 5343 return -ENOMEM; 5344 } 5345 data->on_close = proc_wepkey_on_close; 5346 5347 ptr = data->rbuffer; 5348 strcpy(ptr, "No wep keys\n"); 5349 rc = readWepKeyRid(ai, &wkr, 1, 1); 5350 if (rc == SUCCESS) do { 5351 lastindex = wkr.kindex; 5352 if (wkr.kindex == cpu_to_le16(0xffff)) { 5353 j += sprintf(ptr+j, "Tx key = %d\n", 5354 (int)wkr.mac[0]); 5355 } else { 5356 j += sprintf(ptr+j, "Key %d set with length = %d\n", 5357 le16_to_cpu(wkr.kindex), 5358 le16_to_cpu(wkr.klen)); 5359 } 5360 readWepKeyRid(ai, &wkr, 0, 1); 5361 } while ((lastindex != wkr.kindex) && (j < 180-30)); 5362 5363 data->readlen = strlen(data->rbuffer); 5364 return 0; 5365 } 5366 5367 static int proc_SSID_open(struct inode *inode, struct file *file) 5368 { 5369 struct proc_data *data; 5370 struct net_device *dev = PDE_DATA(inode); 5371 struct airo_info *ai = dev->ml_priv; 5372 int i; 5373 char *ptr; 5374 SsidRid SSID_rid; 5375 5376 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5377 return -ENOMEM; 5378 data = file->private_data; 5379 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5380 kfree (file->private_data); 5381 return -ENOMEM; 5382 } 5383 data->writelen = 0; 5384 data->maxwritelen = 33*3; 5385 /* allocate maxwritelen + 1; we'll want a sentinel */ 5386 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) { 5387 kfree (data->rbuffer); 5388 kfree (file->private_data); 5389 return -ENOMEM; 5390 } 5391 data->on_close = proc_SSID_on_close; 5392 5393 readSsidRid(ai, &SSID_rid); 5394 ptr = data->rbuffer; 5395 for (i = 0; i < 3; i++) { 5396 int j; 5397 size_t len = le16_to_cpu(SSID_rid.ssids[i].len); 5398 if (!len) 5399 break; 5400 if (len > 32) 5401 len = 32; 5402 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++) 5403 *ptr++ = SSID_rid.ssids[i].ssid[j]; 5404 *ptr++ = '\n'; 5405 } 5406 *ptr = '\0'; 5407 data->readlen = strlen(data->rbuffer); 5408 return 0; 5409 } 5410 5411 static int proc_APList_open(struct inode *inode, struct file *file) 5412 { 5413 struct proc_data *data; 5414 struct net_device *dev = PDE_DATA(inode); 5415 struct airo_info *ai = dev->ml_priv; 5416 int i; 5417 char *ptr; 5418 APListRid *APList_rid = &ai->APList; 5419 5420 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5421 return -ENOMEM; 5422 data = file->private_data; 5423 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5424 kfree (file->private_data); 5425 return -ENOMEM; 5426 } 5427 data->writelen = 0; 5428 data->maxwritelen = 4*6*3; 5429 if ((data->wbuffer = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) { 5430 kfree (data->rbuffer); 5431 kfree (file->private_data); 5432 return -ENOMEM; 5433 } 5434 data->on_close = proc_APList_on_close; 5435 5436 ptr = data->rbuffer; 5437 for (i = 0; i < 4; i++) { 5438 // We end when we find a zero MAC 5439 if (!*(int*)APList_rid->ap[i] && 5440 !*(int*)&APList_rid->ap[i][2]) break; 5441 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]); 5442 } 5443 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n"); 5444 5445 *ptr = '\0'; 5446 data->readlen = strlen(data->rbuffer); 5447 return 0; 5448 } 5449 5450 static int proc_BSSList_open(struct inode *inode, struct file *file) 5451 { 5452 struct proc_data *data; 5453 struct net_device *dev = PDE_DATA(inode); 5454 struct airo_info *ai = dev->ml_priv; 5455 char *ptr; 5456 BSSListRid BSSList_rid; 5457 int rc; 5458 /* If doLoseSync is not 1, we won't do a Lose Sync */ 5459 int doLoseSync = -1; 5460 5461 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5462 return -ENOMEM; 5463 data = file->private_data; 5464 if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) { 5465 kfree (file->private_data); 5466 return -ENOMEM; 5467 } 5468 data->writelen = 0; 5469 data->maxwritelen = 0; 5470 data->wbuffer = NULL; 5471 data->on_close = NULL; 5472 5473 if (file->f_mode & FMODE_WRITE) { 5474 if (!(file->f_mode & FMODE_READ)) { 5475 Cmd cmd; 5476 Resp rsp; 5477 5478 if (ai->flags & FLAG_RADIO_MASK) { 5479 kfree(data->rbuffer); 5480 kfree(file->private_data); 5481 return -ENETDOWN; 5482 } 5483 memset(&cmd, 0, sizeof(cmd)); 5484 cmd.cmd = CMD_LISTBSS; 5485 if (down_interruptible(&ai->sem)) { 5486 kfree(data->rbuffer); 5487 kfree(file->private_data); 5488 return -ERESTARTSYS; 5489 } 5490 issuecommand(ai, &cmd, &rsp); 5491 up(&ai->sem); 5492 data->readlen = 0; 5493 return 0; 5494 } 5495 doLoseSync = 1; 5496 } 5497 ptr = data->rbuffer; 5498 /* There is a race condition here if there are concurrent opens. 5499 Since it is a rare condition, we'll just live with it, otherwise 5500 we have to add a spin lock... */ 5501 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid); 5502 while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) { 5503 ptr += sprintf(ptr, "%pM %.*s rssi = %d", 5504 BSSList_rid.bssid, 5505 (int)BSSList_rid.ssidLen, 5506 BSSList_rid.ssid, 5507 le16_to_cpu(BSSList_rid.dBm)); 5508 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n", 5509 le16_to_cpu(BSSList_rid.dsChannel), 5510 BSSList_rid.cap & CAP_ESS ? "ESS" : "", 5511 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "", 5512 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "", 5513 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : ""); 5514 rc = readBSSListRid(ai, 0, &BSSList_rid); 5515 } 5516 *ptr = '\0'; 5517 data->readlen = strlen(data->rbuffer); 5518 return 0; 5519 } 5520 5521 static int proc_close(struct inode *inode, struct file *file) 5522 { 5523 struct proc_data *data = file->private_data; 5524 5525 if (data->on_close != NULL) 5526 data->on_close(inode, file); 5527 kfree(data->rbuffer); 5528 kfree(data->wbuffer); 5529 kfree(data); 5530 return 0; 5531 } 5532 5533 /* Since the card doesn't automatically switch to the right WEP mode, 5534 we will make it do it. If the card isn't associated, every secs we 5535 will switch WEP modes to see if that will help. If the card is 5536 associated we will check every minute to see if anything has 5537 changed. */ 5538 static void timer_func(struct net_device *dev) 5539 { 5540 struct airo_info *apriv = dev->ml_priv; 5541 5542 /* We don't have a link so try changing the authtype */ 5543 readConfigRid(apriv, 0); 5544 disable_MAC(apriv, 0); 5545 switch(apriv->config.authType) { 5546 case AUTH_ENCRYPT: 5547 /* So drop to OPEN */ 5548 apriv->config.authType = AUTH_OPEN; 5549 break; 5550 case AUTH_SHAREDKEY: 5551 if (apriv->keyindex < auto_wep) { 5552 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0); 5553 apriv->config.authType = AUTH_SHAREDKEY; 5554 apriv->keyindex++; 5555 } else { 5556 /* Drop to ENCRYPT */ 5557 apriv->keyindex = 0; 5558 set_wep_tx_idx(apriv, apriv->defindex, 0, 0); 5559 apriv->config.authType = AUTH_ENCRYPT; 5560 } 5561 break; 5562 default: /* We'll escalate to SHAREDKEY */ 5563 apriv->config.authType = AUTH_SHAREDKEY; 5564 } 5565 set_bit (FLAG_COMMIT, &apriv->flags); 5566 writeConfigRid(apriv, 0); 5567 enable_MAC(apriv, 0); 5568 up(&apriv->sem); 5569 5570 /* Schedule check to see if the change worked */ 5571 clear_bit(JOB_AUTOWEP, &apriv->jobs); 5572 apriv->expires = RUN_AT(HZ*3); 5573 } 5574 5575 #ifdef CONFIG_PCI 5576 static int airo_pci_probe(struct pci_dev *pdev, 5577 const struct pci_device_id *pent) 5578 { 5579 struct net_device *dev; 5580 5581 if (pci_enable_device(pdev)) 5582 return -ENODEV; 5583 pci_set_master(pdev); 5584 5585 if (pdev->device == 0x5000 || pdev->device == 0xa504) 5586 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); 5587 else 5588 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); 5589 if (!dev) { 5590 pci_disable_device(pdev); 5591 return -ENODEV; 5592 } 5593 5594 pci_set_drvdata(pdev, dev); 5595 return 0; 5596 } 5597 5598 static void airo_pci_remove(struct pci_dev *pdev) 5599 { 5600 struct net_device *dev = pci_get_drvdata(pdev); 5601 5602 airo_print_info(dev->name, "Unregistering..."); 5603 stop_airo_card(dev, 1); 5604 pci_disable_device(pdev); 5605 } 5606 5607 static int __maybe_unused airo_pci_suspend(struct device *dev_d) 5608 { 5609 struct net_device *dev = dev_get_drvdata(dev_d); 5610 struct airo_info *ai = dev->ml_priv; 5611 Cmd cmd; 5612 Resp rsp; 5613 5614 if (!ai->SSID) 5615 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL); 5616 if (!ai->SSID) 5617 return -ENOMEM; 5618 readSsidRid(ai, ai->SSID); 5619 memset(&cmd, 0, sizeof(cmd)); 5620 /* the lock will be released at the end of the resume callback */ 5621 if (down_interruptible(&ai->sem)) 5622 return -EAGAIN; 5623 disable_MAC(ai, 0); 5624 netif_device_detach(dev); 5625 ai->power = PMSG_SUSPEND; 5626 cmd.cmd = HOSTSLEEP; 5627 issuecommand(ai, &cmd, &rsp); 5628 5629 device_wakeup_enable(dev_d); 5630 return 0; 5631 } 5632 5633 static int __maybe_unused airo_pci_resume(struct device *dev_d) 5634 { 5635 struct net_device *dev = dev_get_drvdata(dev_d); 5636 struct airo_info *ai = dev->ml_priv; 5637 pci_power_t prev_state = to_pci_dev(dev_d)->current_state; 5638 5639 device_wakeup_disable(dev_d); 5640 5641 if (prev_state != PCI_D1) { 5642 reset_card(dev, 0); 5643 mpi_init_descriptors(ai); 5644 setup_card(ai, dev->dev_addr, 0); 5645 clear_bit(FLAG_RADIO_OFF, &ai->flags); 5646 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 5647 } else { 5648 OUT4500(ai, EVACK, EV_AWAKEN); 5649 OUT4500(ai, EVACK, EV_AWAKEN); 5650 msleep(100); 5651 } 5652 5653 set_bit(FLAG_COMMIT, &ai->flags); 5654 disable_MAC(ai, 0); 5655 msleep(200); 5656 if (ai->SSID) { 5657 writeSsidRid(ai, ai->SSID, 0); 5658 kfree(ai->SSID); 5659 ai->SSID = NULL; 5660 } 5661 writeAPListRid(ai, &ai->APList, 0); 5662 writeConfigRid(ai, 0); 5663 enable_MAC(ai, 0); 5664 ai->power = PMSG_ON; 5665 netif_device_attach(dev); 5666 netif_wake_queue(dev); 5667 enable_interrupts(ai); 5668 up(&ai->sem); 5669 return 0; 5670 } 5671 #endif 5672 5673 static int __init airo_init_module(void) 5674 { 5675 int i; 5676 5677 proc_kuid = make_kuid(&init_user_ns, proc_uid); 5678 proc_kgid = make_kgid(&init_user_ns, proc_gid); 5679 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid)) 5680 return -EINVAL; 5681 5682 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL); 5683 5684 if (airo_entry) 5685 proc_set_user(airo_entry, proc_kuid, proc_kgid); 5686 5687 for (i = 0; i < 4 && io[i] && irq[i]; i++) { 5688 airo_print_info("", "Trying to configure ISA adapter at irq=%d " 5689 "io = 0x%x", irq[i], io[i]); 5690 if (init_airo_card(irq[i], io[i], 0, NULL)) { 5691 /* do nothing */ ; 5692 } 5693 } 5694 5695 #ifdef CONFIG_PCI 5696 airo_print_info("", "Probing for PCI adapters"); 5697 i = pci_register_driver(&airo_driver); 5698 airo_print_info("", "Finished probing for PCI adapters"); 5699 5700 if (i) { 5701 remove_proc_entry("driver/aironet", NULL); 5702 return i; 5703 } 5704 #endif 5705 5706 /* Always exit with success, as we are a library module 5707 * as well as a driver module 5708 */ 5709 return 0; 5710 } 5711 5712 static void __exit airo_cleanup_module(void) 5713 { 5714 struct airo_info *ai; 5715 while (!list_empty(&airo_devices)) { 5716 ai = list_entry(airo_devices.next, struct airo_info, dev_list); 5717 airo_print_info(ai->dev->name, "Unregistering..."); 5718 stop_airo_card(ai->dev, 1); 5719 } 5720 #ifdef CONFIG_PCI 5721 pci_unregister_driver(&airo_driver); 5722 #endif 5723 remove_proc_entry("driver/aironet", NULL); 5724 } 5725 5726 /* 5727 * Initial Wireless Extension code for Aironet driver by : 5728 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00 5729 * Conversion to new driver API by : 5730 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02 5731 * Javier also did a good amount of work here, adding some new extensions 5732 * and fixing my code. Let's just say that without him this code just 5733 * would not work at all... - Jean II 5734 */ 5735 5736 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi) 5737 { 5738 if (!rssi_rid) 5739 return 0; 5740 5741 return (0x100 - rssi_rid[rssi].rssidBm); 5742 } 5743 5744 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm) 5745 { 5746 int i; 5747 5748 if (!rssi_rid) 5749 return 0; 5750 5751 for (i = 0; i < 256; i++) 5752 if (rssi_rid[i].rssidBm == dbm) 5753 return rssi_rid[i].rssipct; 5754 5755 return 0; 5756 } 5757 5758 5759 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid) 5760 { 5761 int quality = 0; 5762 u16 sq; 5763 5764 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f)) 5765 return 0; 5766 5767 if (!(cap_rid->hardCap & cpu_to_le16(8))) 5768 return 0; 5769 5770 sq = le16_to_cpu(status_rid->signalQuality); 5771 if (memcmp(cap_rid->prodName, "350", 3)) 5772 if (sq > 0x20) 5773 quality = 0; 5774 else 5775 quality = 0x20 - sq; 5776 else 5777 if (sq > 0xb0) 5778 quality = 0; 5779 else if (sq < 0x10) 5780 quality = 0xa0; 5781 else 5782 quality = 0xb0 - sq; 5783 return quality; 5784 } 5785 5786 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0) 5787 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50); 5788 5789 /*------------------------------------------------------------------*/ 5790 /* 5791 * Wireless Handler : get protocol name 5792 */ 5793 static int airo_get_name(struct net_device *dev, 5794 struct iw_request_info *info, 5795 char *cwrq, 5796 char *extra) 5797 { 5798 strcpy(cwrq, "IEEE 802.11-DS"); 5799 return 0; 5800 } 5801 5802 /*------------------------------------------------------------------*/ 5803 /* 5804 * Wireless Handler : set frequency 5805 */ 5806 static int airo_set_freq(struct net_device *dev, 5807 struct iw_request_info *info, 5808 struct iw_freq *fwrq, 5809 char *extra) 5810 { 5811 struct airo_info *local = dev->ml_priv; 5812 int rc = -EINPROGRESS; /* Call commit handler */ 5813 5814 /* If setting by frequency, convert to a channel */ 5815 if (fwrq->e == 1) { 5816 int f = fwrq->m / 100000; 5817 5818 /* Hack to fall through... */ 5819 fwrq->e = 0; 5820 fwrq->m = ieee80211_frequency_to_channel(f); 5821 } 5822 /* Setting by channel number */ 5823 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0) 5824 rc = -EOPNOTSUPP; 5825 else { 5826 int channel = fwrq->m; 5827 /* We should do a better check than that, 5828 * based on the card capability !!! */ 5829 if ((channel < 1) || (channel > 14)) { 5830 airo_print_dbg(dev->name, "New channel value of %d is invalid!", 5831 fwrq->m); 5832 rc = -EINVAL; 5833 } else { 5834 readConfigRid(local, 1); 5835 /* Yes ! We can set it !!! */ 5836 local->config.channelSet = cpu_to_le16(channel); 5837 set_bit (FLAG_COMMIT, &local->flags); 5838 } 5839 } 5840 return rc; 5841 } 5842 5843 /*------------------------------------------------------------------*/ 5844 /* 5845 * Wireless Handler : get frequency 5846 */ 5847 static int airo_get_freq(struct net_device *dev, 5848 struct iw_request_info *info, 5849 struct iw_freq *fwrq, 5850 char *extra) 5851 { 5852 struct airo_info *local = dev->ml_priv; 5853 StatusRid status_rid; /* Card status info */ 5854 int ch; 5855 5856 readConfigRid(local, 1); 5857 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS) 5858 status_rid.channel = local->config.channelSet; 5859 else 5860 readStatusRid(local, &status_rid, 1); 5861 5862 ch = le16_to_cpu(status_rid.channel); 5863 if ((ch > 0) && (ch < 15)) { 5864 fwrq->m = 100000 * 5865 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ); 5866 fwrq->e = 1; 5867 } else { 5868 fwrq->m = ch; 5869 fwrq->e = 0; 5870 } 5871 5872 return 0; 5873 } 5874 5875 /*------------------------------------------------------------------*/ 5876 /* 5877 * Wireless Handler : set ESSID 5878 */ 5879 static int airo_set_essid(struct net_device *dev, 5880 struct iw_request_info *info, 5881 struct iw_point *dwrq, 5882 char *extra) 5883 { 5884 struct airo_info *local = dev->ml_priv; 5885 SsidRid SSID_rid; /* SSIDs */ 5886 5887 /* Reload the list of current SSID */ 5888 readSsidRid(local, &SSID_rid); 5889 5890 /* Check if we asked for `any' */ 5891 if (dwrq->flags == 0) { 5892 /* Just send an empty SSID list */ 5893 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5894 } else { 5895 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 5896 5897 /* Check the size of the string */ 5898 if (dwrq->length > IW_ESSID_MAX_SIZE) 5899 return -E2BIG ; 5900 5901 /* Check if index is valid */ 5902 if (index >= ARRAY_SIZE(SSID_rid.ssids)) 5903 return -EINVAL; 5904 5905 /* Set the SSID */ 5906 memset(SSID_rid.ssids[index].ssid, 0, 5907 sizeof(SSID_rid.ssids[index].ssid)); 5908 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length); 5909 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length); 5910 } 5911 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5912 /* Write it to the card */ 5913 disable_MAC(local, 1); 5914 writeSsidRid(local, &SSID_rid, 1); 5915 enable_MAC(local, 1); 5916 5917 return 0; 5918 } 5919 5920 /*------------------------------------------------------------------*/ 5921 /* 5922 * Wireless Handler : get ESSID 5923 */ 5924 static int airo_get_essid(struct net_device *dev, 5925 struct iw_request_info *info, 5926 struct iw_point *dwrq, 5927 char *extra) 5928 { 5929 struct airo_info *local = dev->ml_priv; 5930 StatusRid status_rid; /* Card status info */ 5931 5932 readStatusRid(local, &status_rid, 1); 5933 5934 /* Note : if dwrq->flags != 0, we should 5935 * get the relevant SSID from the SSID list... */ 5936 5937 /* Get the current SSID */ 5938 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen)); 5939 /* If none, we may want to get the one that was set */ 5940 5941 /* Push it out ! */ 5942 dwrq->length = le16_to_cpu(status_rid.SSIDlen); 5943 dwrq->flags = 1; /* active */ 5944 5945 return 0; 5946 } 5947 5948 /*------------------------------------------------------------------*/ 5949 /* 5950 * Wireless Handler : set AP address 5951 */ 5952 static int airo_set_wap(struct net_device *dev, 5953 struct iw_request_info *info, 5954 struct sockaddr *awrq, 5955 char *extra) 5956 { 5957 struct airo_info *local = dev->ml_priv; 5958 Cmd cmd; 5959 Resp rsp; 5960 APListRid *APList_rid = &local->APList; 5961 5962 if (awrq->sa_family != ARPHRD_ETHER) 5963 return -EINVAL; 5964 else if (is_broadcast_ether_addr(awrq->sa_data) || 5965 is_zero_ether_addr(awrq->sa_data)) { 5966 memset(&cmd, 0, sizeof(cmd)); 5967 cmd.cmd = CMD_LOSE_SYNC; 5968 if (down_interruptible(&local->sem)) 5969 return -ERESTARTSYS; 5970 issuecommand(local, &cmd, &rsp); 5971 up(&local->sem); 5972 } else { 5973 memset(APList_rid, 0, sizeof(*APList_rid)); 5974 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5975 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN); 5976 disable_MAC(local, 1); 5977 writeAPListRid(local, APList_rid, 1); 5978 enable_MAC(local, 1); 5979 } 5980 return 0; 5981 } 5982 5983 /*------------------------------------------------------------------*/ 5984 /* 5985 * Wireless Handler : get AP address 5986 */ 5987 static int airo_get_wap(struct net_device *dev, 5988 struct iw_request_info *info, 5989 struct sockaddr *awrq, 5990 char *extra) 5991 { 5992 struct airo_info *local = dev->ml_priv; 5993 StatusRid status_rid; /* Card status info */ 5994 5995 readStatusRid(local, &status_rid, 1); 5996 5997 /* Tentative. This seems to work, wow, I'm lucky !!! */ 5998 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN); 5999 awrq->sa_family = ARPHRD_ETHER; 6000 6001 return 0; 6002 } 6003 6004 /*------------------------------------------------------------------*/ 6005 /* 6006 * Wireless Handler : set Nickname 6007 */ 6008 static int airo_set_nick(struct net_device *dev, 6009 struct iw_request_info *info, 6010 struct iw_point *dwrq, 6011 char *extra) 6012 { 6013 struct airo_info *local = dev->ml_priv; 6014 6015 /* Check the size of the string */ 6016 if (dwrq->length > 16) { 6017 return -E2BIG; 6018 } 6019 readConfigRid(local, 1); 6020 memset(local->config.nodeName, 0, sizeof(local->config.nodeName)); 6021 memcpy(local->config.nodeName, extra, dwrq->length); 6022 set_bit (FLAG_COMMIT, &local->flags); 6023 6024 return -EINPROGRESS; /* Call commit handler */ 6025 } 6026 6027 /*------------------------------------------------------------------*/ 6028 /* 6029 * Wireless Handler : get Nickname 6030 */ 6031 static int airo_get_nick(struct net_device *dev, 6032 struct iw_request_info *info, 6033 struct iw_point *dwrq, 6034 char *extra) 6035 { 6036 struct airo_info *local = dev->ml_priv; 6037 6038 readConfigRid(local, 1); 6039 strncpy(extra, local->config.nodeName, 16); 6040 extra[16] = '\0'; 6041 dwrq->length = strlen(extra); 6042 6043 return 0; 6044 } 6045 6046 /*------------------------------------------------------------------*/ 6047 /* 6048 * Wireless Handler : set Bit-Rate 6049 */ 6050 static int airo_set_rate(struct net_device *dev, 6051 struct iw_request_info *info, 6052 struct iw_param *vwrq, 6053 char *extra) 6054 { 6055 struct airo_info *local = dev->ml_priv; 6056 CapabilityRid cap_rid; /* Card capability info */ 6057 u8 brate = 0; 6058 int i; 6059 6060 /* First : get a valid bit rate value */ 6061 readCapabilityRid(local, &cap_rid, 1); 6062 6063 /* Which type of value ? */ 6064 if ((vwrq->value < 8) && (vwrq->value >= 0)) { 6065 /* Setting by rate index */ 6066 /* Find value in the magic rate table */ 6067 brate = cap_rid.supportedRates[vwrq->value]; 6068 } else { 6069 /* Setting by frequency value */ 6070 u8 normvalue = (u8) (vwrq->value/500000); 6071 6072 /* Check if rate is valid */ 6073 for (i = 0 ; i < 8 ; i++) { 6074 if (normvalue == cap_rid.supportedRates[i]) { 6075 brate = normvalue; 6076 break; 6077 } 6078 } 6079 } 6080 /* -1 designed the max rate (mostly auto mode) */ 6081 if (vwrq->value == -1) { 6082 /* Get the highest available rate */ 6083 for (i = 0 ; i < 8 ; i++) { 6084 if (cap_rid.supportedRates[i] == 0) 6085 break; 6086 } 6087 if (i != 0) 6088 brate = cap_rid.supportedRates[i - 1]; 6089 } 6090 /* Check that it is valid */ 6091 if (brate == 0) { 6092 return -EINVAL; 6093 } 6094 6095 readConfigRid(local, 1); 6096 /* Now, check if we want a fixed or auto value */ 6097 if (vwrq->fixed == 0) { 6098 /* Fill all the rates up to this max rate */ 6099 memset(local->config.rates, 0, 8); 6100 for (i = 0 ; i < 8 ; i++) { 6101 local->config.rates[i] = cap_rid.supportedRates[i]; 6102 if (local->config.rates[i] == brate) 6103 break; 6104 } 6105 } else { 6106 /* Fixed mode */ 6107 /* One rate, fixed */ 6108 memset(local->config.rates, 0, 8); 6109 local->config.rates[0] = brate; 6110 } 6111 set_bit (FLAG_COMMIT, &local->flags); 6112 6113 return -EINPROGRESS; /* Call commit handler */ 6114 } 6115 6116 /*------------------------------------------------------------------*/ 6117 /* 6118 * Wireless Handler : get Bit-Rate 6119 */ 6120 static int airo_get_rate(struct net_device *dev, 6121 struct iw_request_info *info, 6122 struct iw_param *vwrq, 6123 char *extra) 6124 { 6125 struct airo_info *local = dev->ml_priv; 6126 StatusRid status_rid; /* Card status info */ 6127 6128 readStatusRid(local, &status_rid, 1); 6129 6130 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; 6131 /* If more than one rate, set auto */ 6132 readConfigRid(local, 1); 6133 vwrq->fixed = (local->config.rates[1] == 0); 6134 6135 return 0; 6136 } 6137 6138 /*------------------------------------------------------------------*/ 6139 /* 6140 * Wireless Handler : set RTS threshold 6141 */ 6142 static int airo_set_rts(struct net_device *dev, 6143 struct iw_request_info *info, 6144 struct iw_param *vwrq, 6145 char *extra) 6146 { 6147 struct airo_info *local = dev->ml_priv; 6148 int rthr = vwrq->value; 6149 6150 if (vwrq->disabled) 6151 rthr = AIRO_DEF_MTU; 6152 if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) { 6153 return -EINVAL; 6154 } 6155 readConfigRid(local, 1); 6156 local->config.rtsThres = cpu_to_le16(rthr); 6157 set_bit (FLAG_COMMIT, &local->flags); 6158 6159 return -EINPROGRESS; /* Call commit handler */ 6160 } 6161 6162 /*------------------------------------------------------------------*/ 6163 /* 6164 * Wireless Handler : get RTS threshold 6165 */ 6166 static int airo_get_rts(struct net_device *dev, 6167 struct iw_request_info *info, 6168 struct iw_param *vwrq, 6169 char *extra) 6170 { 6171 struct airo_info *local = dev->ml_priv; 6172 6173 readConfigRid(local, 1); 6174 vwrq->value = le16_to_cpu(local->config.rtsThres); 6175 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6176 vwrq->fixed = 1; 6177 6178 return 0; 6179 } 6180 6181 /*------------------------------------------------------------------*/ 6182 /* 6183 * Wireless Handler : set Fragmentation threshold 6184 */ 6185 static int airo_set_frag(struct net_device *dev, 6186 struct iw_request_info *info, 6187 struct iw_param *vwrq, 6188 char *extra) 6189 { 6190 struct airo_info *local = dev->ml_priv; 6191 int fthr = vwrq->value; 6192 6193 if (vwrq->disabled) 6194 fthr = AIRO_DEF_MTU; 6195 if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) { 6196 return -EINVAL; 6197 } 6198 fthr &= ~0x1; /* Get an even value - is it really needed ??? */ 6199 readConfigRid(local, 1); 6200 local->config.fragThresh = cpu_to_le16(fthr); 6201 set_bit (FLAG_COMMIT, &local->flags); 6202 6203 return -EINPROGRESS; /* Call commit handler */ 6204 } 6205 6206 /*------------------------------------------------------------------*/ 6207 /* 6208 * Wireless Handler : get Fragmentation threshold 6209 */ 6210 static int airo_get_frag(struct net_device *dev, 6211 struct iw_request_info *info, 6212 struct iw_param *vwrq, 6213 char *extra) 6214 { 6215 struct airo_info *local = dev->ml_priv; 6216 6217 readConfigRid(local, 1); 6218 vwrq->value = le16_to_cpu(local->config.fragThresh); 6219 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6220 vwrq->fixed = 1; 6221 6222 return 0; 6223 } 6224 6225 /*------------------------------------------------------------------*/ 6226 /* 6227 * Wireless Handler : set Mode of Operation 6228 */ 6229 static int airo_set_mode(struct net_device *dev, 6230 struct iw_request_info *info, 6231 __u32 *uwrq, 6232 char *extra) 6233 { 6234 struct airo_info *local = dev->ml_priv; 6235 int reset = 0; 6236 6237 readConfigRid(local, 1); 6238 if (sniffing_mode(local)) 6239 reset = 1; 6240 6241 switch(*uwrq) { 6242 case IW_MODE_ADHOC: 6243 local->config.opmode &= ~MODE_CFG_MASK; 6244 local->config.opmode |= MODE_STA_IBSS; 6245 local->config.rmode &= ~RXMODE_FULL_MASK; 6246 local->config.scanMode = SCANMODE_ACTIVE; 6247 clear_bit (FLAG_802_11, &local->flags); 6248 break; 6249 case IW_MODE_INFRA: 6250 local->config.opmode &= ~MODE_CFG_MASK; 6251 local->config.opmode |= MODE_STA_ESS; 6252 local->config.rmode &= ~RXMODE_FULL_MASK; 6253 local->config.scanMode = SCANMODE_ACTIVE; 6254 clear_bit (FLAG_802_11, &local->flags); 6255 break; 6256 case IW_MODE_MASTER: 6257 local->config.opmode &= ~MODE_CFG_MASK; 6258 local->config.opmode |= MODE_AP; 6259 local->config.rmode &= ~RXMODE_FULL_MASK; 6260 local->config.scanMode = SCANMODE_ACTIVE; 6261 clear_bit (FLAG_802_11, &local->flags); 6262 break; 6263 case IW_MODE_REPEAT: 6264 local->config.opmode &= ~MODE_CFG_MASK; 6265 local->config.opmode |= MODE_AP_RPTR; 6266 local->config.rmode &= ~RXMODE_FULL_MASK; 6267 local->config.scanMode = SCANMODE_ACTIVE; 6268 clear_bit (FLAG_802_11, &local->flags); 6269 break; 6270 case IW_MODE_MONITOR: 6271 local->config.opmode &= ~MODE_CFG_MASK; 6272 local->config.opmode |= MODE_STA_ESS; 6273 local->config.rmode &= ~RXMODE_FULL_MASK; 6274 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 6275 local->config.scanMode = SCANMODE_PASSIVE; 6276 set_bit (FLAG_802_11, &local->flags); 6277 break; 6278 default: 6279 return -EINVAL; 6280 } 6281 if (reset) 6282 set_bit (FLAG_RESET, &local->flags); 6283 set_bit (FLAG_COMMIT, &local->flags); 6284 6285 return -EINPROGRESS; /* Call commit handler */ 6286 } 6287 6288 /*------------------------------------------------------------------*/ 6289 /* 6290 * Wireless Handler : get Mode of Operation 6291 */ 6292 static int airo_get_mode(struct net_device *dev, 6293 struct iw_request_info *info, 6294 __u32 *uwrq, 6295 char *extra) 6296 { 6297 struct airo_info *local = dev->ml_priv; 6298 6299 readConfigRid(local, 1); 6300 /* If not managed, assume it's ad-hoc */ 6301 switch (local->config.opmode & MODE_CFG_MASK) { 6302 case MODE_STA_ESS: 6303 *uwrq = IW_MODE_INFRA; 6304 break; 6305 case MODE_AP: 6306 *uwrq = IW_MODE_MASTER; 6307 break; 6308 case MODE_AP_RPTR: 6309 *uwrq = IW_MODE_REPEAT; 6310 break; 6311 default: 6312 *uwrq = IW_MODE_ADHOC; 6313 } 6314 6315 return 0; 6316 } 6317 6318 static inline int valid_index(struct airo_info *ai, int index) 6319 { 6320 return (index >= 0) && (index <= ai->max_wep_idx); 6321 } 6322 6323 /*------------------------------------------------------------------*/ 6324 /* 6325 * Wireless Handler : set Encryption Key 6326 */ 6327 static int airo_set_encode(struct net_device *dev, 6328 struct iw_request_info *info, 6329 struct iw_point *dwrq, 6330 char *extra) 6331 { 6332 struct airo_info *local = dev->ml_priv; 6333 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); 6334 __le16 currentAuthType = local->config.authType; 6335 int rc = 0; 6336 6337 if (!local->wep_capable) 6338 return -EOPNOTSUPP; 6339 6340 readConfigRid(local, 1); 6341 6342 /* Basic checking: do we have a key to set ? 6343 * Note : with the new API, it's impossible to get a NULL pointer. 6344 * Therefore, we need to check a key size == 0 instead. 6345 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag 6346 * when no key is present (only change flags), but older versions 6347 * don't do it. - Jean II */ 6348 if (dwrq->length > 0) { 6349 wep_key_t key; 6350 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6351 int current_index; 6352 6353 /* Check the size of the key */ 6354 if (dwrq->length > MAX_KEY_SIZE) { 6355 return -EINVAL; 6356 } 6357 6358 current_index = get_wep_tx_idx(local); 6359 if (current_index < 0) 6360 current_index = 0; 6361 6362 /* Check the index (none -> use current) */ 6363 if (!valid_index(local, index)) 6364 index = current_index; 6365 6366 /* Set the length */ 6367 if (dwrq->length > MIN_KEY_SIZE) 6368 key.len = MAX_KEY_SIZE; 6369 else 6370 key.len = MIN_KEY_SIZE; 6371 /* Check if the key is not marked as invalid */ 6372 if (!(dwrq->flags & IW_ENCODE_NOKEY)) { 6373 /* Cleanup */ 6374 memset(key.key, 0, MAX_KEY_SIZE); 6375 /* Copy the key in the driver */ 6376 memcpy(key.key, extra, dwrq->length); 6377 /* Send the key to the card */ 6378 rc = set_wep_key(local, index, key.key, key.len, perm, 1); 6379 if (rc < 0) { 6380 airo_print_err(local->dev->name, "failed to set" 6381 " WEP key at index %d: %d.", 6382 index, rc); 6383 return rc; 6384 } 6385 } 6386 /* WE specify that if a valid key is set, encryption 6387 * should be enabled (user may turn it off later) 6388 * This is also how "iwconfig ethX key on" works */ 6389 if ((index == current_index) && (key.len > 0) && 6390 (local->config.authType == AUTH_OPEN)) 6391 set_auth_type(local, AUTH_ENCRYPT); 6392 } else { 6393 /* Do we want to just set the transmit key index ? */ 6394 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6395 if (valid_index(local, index)) { 6396 rc = set_wep_tx_idx(local, index, perm, 1); 6397 if (rc < 0) { 6398 airo_print_err(local->dev->name, "failed to set" 6399 " WEP transmit index to %d: %d.", 6400 index, rc); 6401 return rc; 6402 } 6403 } else { 6404 /* Don't complain if only change the mode */ 6405 if (!(dwrq->flags & IW_ENCODE_MODE)) 6406 return -EINVAL; 6407 } 6408 } 6409 /* Read the flags */ 6410 if (dwrq->flags & IW_ENCODE_DISABLED) 6411 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6412 if (dwrq->flags & IW_ENCODE_RESTRICTED) 6413 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6414 if (dwrq->flags & IW_ENCODE_OPEN) 6415 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */ 6416 /* Commit the changes to flags if needed */ 6417 if (local->config.authType != currentAuthType) 6418 set_bit (FLAG_COMMIT, &local->flags); 6419 return -EINPROGRESS; /* Call commit handler */ 6420 } 6421 6422 /*------------------------------------------------------------------*/ 6423 /* 6424 * Wireless Handler : get Encryption Key 6425 */ 6426 static int airo_get_encode(struct net_device *dev, 6427 struct iw_request_info *info, 6428 struct iw_point *dwrq, 6429 char *extra) 6430 { 6431 struct airo_info *local = dev->ml_priv; 6432 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6433 int wep_key_len; 6434 u8 buf[16]; 6435 6436 if (!local->wep_capable) 6437 return -EOPNOTSUPP; 6438 6439 readConfigRid(local, 1); 6440 6441 /* Check encryption mode */ 6442 switch(local->config.authType) { 6443 case AUTH_ENCRYPT: 6444 dwrq->flags = IW_ENCODE_OPEN; 6445 break; 6446 case AUTH_SHAREDKEY: 6447 dwrq->flags = IW_ENCODE_RESTRICTED; 6448 break; 6449 default: 6450 case AUTH_OPEN: 6451 dwrq->flags = IW_ENCODE_DISABLED; 6452 break; 6453 } 6454 /* We can't return the key, so set the proper flag and return zero */ 6455 dwrq->flags |= IW_ENCODE_NOKEY; 6456 memset(extra, 0, 16); 6457 6458 /* Which key do we want ? -1 -> tx index */ 6459 if (!valid_index(local, index)) { 6460 index = get_wep_tx_idx(local); 6461 if (index < 0) 6462 index = 0; 6463 } 6464 dwrq->flags |= index + 1; 6465 6466 /* Copy the key to the user buffer */ 6467 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf)); 6468 if (wep_key_len < 0) { 6469 dwrq->length = 0; 6470 } else { 6471 dwrq->length = wep_key_len; 6472 memcpy(extra, buf, dwrq->length); 6473 } 6474 6475 return 0; 6476 } 6477 6478 /*------------------------------------------------------------------*/ 6479 /* 6480 * Wireless Handler : set extended Encryption parameters 6481 */ 6482 static int airo_set_encodeext(struct net_device *dev, 6483 struct iw_request_info *info, 6484 union iwreq_data *wrqu, 6485 char *extra) 6486 { 6487 struct airo_info *local = dev->ml_priv; 6488 struct iw_point *encoding = &wrqu->encoding; 6489 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6490 int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1); 6491 __le16 currentAuthType = local->config.authType; 6492 int idx, key_len, alg = ext->alg, set_key = 1, rc; 6493 wep_key_t key; 6494 6495 if (!local->wep_capable) 6496 return -EOPNOTSUPP; 6497 6498 readConfigRid(local, 1); 6499 6500 /* Determine and validate the key index */ 6501 idx = encoding->flags & IW_ENCODE_INDEX; 6502 if (idx) { 6503 if (!valid_index(local, idx - 1)) 6504 return -EINVAL; 6505 idx--; 6506 } else { 6507 idx = get_wep_tx_idx(local); 6508 if (idx < 0) 6509 idx = 0; 6510 } 6511 6512 if (encoding->flags & IW_ENCODE_DISABLED) 6513 alg = IW_ENCODE_ALG_NONE; 6514 6515 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 6516 /* Only set transmit key index here, actual 6517 * key is set below if needed. 6518 */ 6519 rc = set_wep_tx_idx(local, idx, perm, 1); 6520 if (rc < 0) { 6521 airo_print_err(local->dev->name, "failed to set " 6522 "WEP transmit index to %d: %d.", 6523 idx, rc); 6524 return rc; 6525 } 6526 set_key = ext->key_len > 0 ? 1 : 0; 6527 } 6528 6529 if (set_key) { 6530 /* Set the requested key first */ 6531 memset(key.key, 0, MAX_KEY_SIZE); 6532 switch (alg) { 6533 case IW_ENCODE_ALG_NONE: 6534 key.len = 0; 6535 break; 6536 case IW_ENCODE_ALG_WEP: 6537 if (ext->key_len > MIN_KEY_SIZE) { 6538 key.len = MAX_KEY_SIZE; 6539 } else if (ext->key_len > 0) { 6540 key.len = MIN_KEY_SIZE; 6541 } else { 6542 return -EINVAL; 6543 } 6544 key_len = min (ext->key_len, key.len); 6545 memcpy(key.key, ext->key, key_len); 6546 break; 6547 default: 6548 return -EINVAL; 6549 } 6550 if (key.len == 0) { 6551 rc = set_wep_tx_idx(local, idx, perm, 1); 6552 if (rc < 0) { 6553 airo_print_err(local->dev->name, 6554 "failed to set WEP transmit index to %d: %d.", 6555 idx, rc); 6556 return rc; 6557 } 6558 } else { 6559 rc = set_wep_key(local, idx, key.key, key.len, perm, 1); 6560 if (rc < 0) { 6561 airo_print_err(local->dev->name, 6562 "failed to set WEP key at index %d: %d.", 6563 idx, rc); 6564 return rc; 6565 } 6566 } 6567 } 6568 6569 /* Read the flags */ 6570 if (encoding->flags & IW_ENCODE_DISABLED) 6571 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6572 if (encoding->flags & IW_ENCODE_RESTRICTED) 6573 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6574 if (encoding->flags & IW_ENCODE_OPEN) 6575 set_auth_type(local, AUTH_ENCRYPT); 6576 /* Commit the changes to flags if needed */ 6577 if (local->config.authType != currentAuthType) 6578 set_bit (FLAG_COMMIT, &local->flags); 6579 6580 return -EINPROGRESS; 6581 } 6582 6583 6584 /*------------------------------------------------------------------*/ 6585 /* 6586 * Wireless Handler : get extended Encryption parameters 6587 */ 6588 static int airo_get_encodeext(struct net_device *dev, 6589 struct iw_request_info *info, 6590 union iwreq_data *wrqu, 6591 char *extra) 6592 { 6593 struct airo_info *local = dev->ml_priv; 6594 struct iw_point *encoding = &wrqu->encoding; 6595 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6596 int idx, max_key_len, wep_key_len; 6597 u8 buf[16]; 6598 6599 if (!local->wep_capable) 6600 return -EOPNOTSUPP; 6601 6602 readConfigRid(local, 1); 6603 6604 max_key_len = encoding->length - sizeof(*ext); 6605 if (max_key_len < 0) 6606 return -EINVAL; 6607 6608 idx = encoding->flags & IW_ENCODE_INDEX; 6609 if (idx) { 6610 if (!valid_index(local, idx - 1)) 6611 return -EINVAL; 6612 idx--; 6613 } else { 6614 idx = get_wep_tx_idx(local); 6615 if (idx < 0) 6616 idx = 0; 6617 } 6618 6619 encoding->flags = idx + 1; 6620 memset(ext, 0, sizeof(*ext)); 6621 6622 /* Check encryption mode */ 6623 switch(local->config.authType) { 6624 case AUTH_ENCRYPT: 6625 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6626 break; 6627 case AUTH_SHAREDKEY: 6628 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6629 break; 6630 default: 6631 case AUTH_OPEN: 6632 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED; 6633 break; 6634 } 6635 /* We can't return the key, so set the proper flag and return zero */ 6636 encoding->flags |= IW_ENCODE_NOKEY; 6637 memset(extra, 0, 16); 6638 6639 /* Copy the key to the user buffer */ 6640 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); 6641 if (wep_key_len < 0) { 6642 ext->key_len = 0; 6643 } else { 6644 ext->key_len = wep_key_len; 6645 memcpy(extra, buf, ext->key_len); 6646 } 6647 6648 return 0; 6649 } 6650 6651 6652 /*------------------------------------------------------------------*/ 6653 /* 6654 * Wireless Handler : set extended authentication parameters 6655 */ 6656 static int airo_set_auth(struct net_device *dev, 6657 struct iw_request_info *info, 6658 union iwreq_data *wrqu, char *extra) 6659 { 6660 struct airo_info *local = dev->ml_priv; 6661 struct iw_param *param = &wrqu->param; 6662 __le16 currentAuthType = local->config.authType; 6663 6664 switch (param->flags & IW_AUTH_INDEX) { 6665 case IW_AUTH_WPA_VERSION: 6666 case IW_AUTH_CIPHER_PAIRWISE: 6667 case IW_AUTH_CIPHER_GROUP: 6668 case IW_AUTH_KEY_MGMT: 6669 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 6670 case IW_AUTH_PRIVACY_INVOKED: 6671 /* 6672 * airo does not use these parameters 6673 */ 6674 break; 6675 6676 case IW_AUTH_DROP_UNENCRYPTED: 6677 if (param->value) { 6678 /* Only change auth type if unencrypted */ 6679 if (currentAuthType == AUTH_OPEN) 6680 set_auth_type(local, AUTH_ENCRYPT); 6681 } else { 6682 set_auth_type(local, AUTH_OPEN); 6683 } 6684 6685 /* Commit the changes to flags if needed */ 6686 if (local->config.authType != currentAuthType) 6687 set_bit (FLAG_COMMIT, &local->flags); 6688 break; 6689 6690 case IW_AUTH_80211_AUTH_ALG: { 6691 if (param->value & IW_AUTH_ALG_SHARED_KEY) { 6692 set_auth_type(local, AUTH_SHAREDKEY); 6693 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { 6694 /* We don't know here if WEP open system or 6695 * unencrypted mode was requested - so use the 6696 * last mode (of these two) used last time 6697 */ 6698 set_auth_type(local, local->last_auth); 6699 } else 6700 return -EINVAL; 6701 6702 /* Commit the changes to flags if needed */ 6703 if (local->config.authType != currentAuthType) 6704 set_bit (FLAG_COMMIT, &local->flags); 6705 break; 6706 } 6707 6708 case IW_AUTH_WPA_ENABLED: 6709 /* Silently accept disable of WPA */ 6710 if (param->value > 0) 6711 return -EOPNOTSUPP; 6712 break; 6713 6714 default: 6715 return -EOPNOTSUPP; 6716 } 6717 return -EINPROGRESS; 6718 } 6719 6720 6721 /*------------------------------------------------------------------*/ 6722 /* 6723 * Wireless Handler : get extended authentication parameters 6724 */ 6725 static int airo_get_auth(struct net_device *dev, 6726 struct iw_request_info *info, 6727 union iwreq_data *wrqu, char *extra) 6728 { 6729 struct airo_info *local = dev->ml_priv; 6730 struct iw_param *param = &wrqu->param; 6731 __le16 currentAuthType = local->config.authType; 6732 6733 switch (param->flags & IW_AUTH_INDEX) { 6734 case IW_AUTH_DROP_UNENCRYPTED: 6735 switch (currentAuthType) { 6736 case AUTH_SHAREDKEY: 6737 case AUTH_ENCRYPT: 6738 param->value = 1; 6739 break; 6740 default: 6741 param->value = 0; 6742 break; 6743 } 6744 break; 6745 6746 case IW_AUTH_80211_AUTH_ALG: 6747 switch (currentAuthType) { 6748 case AUTH_SHAREDKEY: 6749 param->value = IW_AUTH_ALG_SHARED_KEY; 6750 break; 6751 case AUTH_ENCRYPT: 6752 default: 6753 param->value = IW_AUTH_ALG_OPEN_SYSTEM; 6754 break; 6755 } 6756 break; 6757 6758 case IW_AUTH_WPA_ENABLED: 6759 param->value = 0; 6760 break; 6761 6762 default: 6763 return -EOPNOTSUPP; 6764 } 6765 return 0; 6766 } 6767 6768 6769 /*------------------------------------------------------------------*/ 6770 /* 6771 * Wireless Handler : set Tx-Power 6772 */ 6773 static int airo_set_txpow(struct net_device *dev, 6774 struct iw_request_info *info, 6775 struct iw_param *vwrq, 6776 char *extra) 6777 { 6778 struct airo_info *local = dev->ml_priv; 6779 CapabilityRid cap_rid; /* Card capability info */ 6780 int i; 6781 int rc = -EINVAL; 6782 __le16 v = cpu_to_le16(vwrq->value); 6783 6784 readCapabilityRid(local, &cap_rid, 1); 6785 6786 if (vwrq->disabled) { 6787 set_bit (FLAG_RADIO_OFF, &local->flags); 6788 set_bit (FLAG_COMMIT, &local->flags); 6789 return -EINPROGRESS; /* Call commit handler */ 6790 } 6791 if (vwrq->flags != IW_TXPOW_MWATT) { 6792 return -EINVAL; 6793 } 6794 clear_bit (FLAG_RADIO_OFF, &local->flags); 6795 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++) 6796 if (v == cap_rid.txPowerLevels[i]) { 6797 readConfigRid(local, 1); 6798 local->config.txPower = v; 6799 set_bit (FLAG_COMMIT, &local->flags); 6800 rc = -EINPROGRESS; /* Call commit handler */ 6801 break; 6802 } 6803 return rc; 6804 } 6805 6806 /*------------------------------------------------------------------*/ 6807 /* 6808 * Wireless Handler : get Tx-Power 6809 */ 6810 static int airo_get_txpow(struct net_device *dev, 6811 struct iw_request_info *info, 6812 struct iw_param *vwrq, 6813 char *extra) 6814 { 6815 struct airo_info *local = dev->ml_priv; 6816 6817 readConfigRid(local, 1); 6818 vwrq->value = le16_to_cpu(local->config.txPower); 6819 vwrq->fixed = 1; /* No power control */ 6820 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags); 6821 vwrq->flags = IW_TXPOW_MWATT; 6822 6823 return 0; 6824 } 6825 6826 /*------------------------------------------------------------------*/ 6827 /* 6828 * Wireless Handler : set Retry limits 6829 */ 6830 static int airo_set_retry(struct net_device *dev, 6831 struct iw_request_info *info, 6832 struct iw_param *vwrq, 6833 char *extra) 6834 { 6835 struct airo_info *local = dev->ml_priv; 6836 int rc = -EINVAL; 6837 6838 if (vwrq->disabled) { 6839 return -EINVAL; 6840 } 6841 readConfigRid(local, 1); 6842 if (vwrq->flags & IW_RETRY_LIMIT) { 6843 __le16 v = cpu_to_le16(vwrq->value); 6844 if (vwrq->flags & IW_RETRY_LONG) 6845 local->config.longRetryLimit = v; 6846 else if (vwrq->flags & IW_RETRY_SHORT) 6847 local->config.shortRetryLimit = v; 6848 else { 6849 /* No modifier : set both */ 6850 local->config.longRetryLimit = v; 6851 local->config.shortRetryLimit = v; 6852 } 6853 set_bit (FLAG_COMMIT, &local->flags); 6854 rc = -EINPROGRESS; /* Call commit handler */ 6855 } 6856 if (vwrq->flags & IW_RETRY_LIFETIME) { 6857 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024); 6858 set_bit (FLAG_COMMIT, &local->flags); 6859 rc = -EINPROGRESS; /* Call commit handler */ 6860 } 6861 return rc; 6862 } 6863 6864 /*------------------------------------------------------------------*/ 6865 /* 6866 * Wireless Handler : get Retry limits 6867 */ 6868 static int airo_get_retry(struct net_device *dev, 6869 struct iw_request_info *info, 6870 struct iw_param *vwrq, 6871 char *extra) 6872 { 6873 struct airo_info *local = dev->ml_priv; 6874 6875 vwrq->disabled = 0; /* Can't be disabled */ 6876 6877 readConfigRid(local, 1); 6878 /* Note : by default, display the min retry number */ 6879 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { 6880 vwrq->flags = IW_RETRY_LIFETIME; 6881 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024; 6882 } else if ((vwrq->flags & IW_RETRY_LONG)) { 6883 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 6884 vwrq->value = le16_to_cpu(local->config.longRetryLimit); 6885 } else { 6886 vwrq->flags = IW_RETRY_LIMIT; 6887 vwrq->value = le16_to_cpu(local->config.shortRetryLimit); 6888 if (local->config.shortRetryLimit != local->config.longRetryLimit) 6889 vwrq->flags |= IW_RETRY_SHORT; 6890 } 6891 6892 return 0; 6893 } 6894 6895 /*------------------------------------------------------------------*/ 6896 /* 6897 * Wireless Handler : get range info 6898 */ 6899 static int airo_get_range(struct net_device *dev, 6900 struct iw_request_info *info, 6901 struct iw_point *dwrq, 6902 char *extra) 6903 { 6904 struct airo_info *local = dev->ml_priv; 6905 struct iw_range *range = (struct iw_range *) extra; 6906 CapabilityRid cap_rid; /* Card capability info */ 6907 int i; 6908 int k; 6909 6910 readCapabilityRid(local, &cap_rid, 1); 6911 6912 dwrq->length = sizeof(struct iw_range); 6913 memset(range, 0, sizeof(*range)); 6914 range->min_nwid = 0x0000; 6915 range->max_nwid = 0x0000; 6916 range->num_channels = 14; 6917 /* Should be based on cap_rid.country to give only 6918 * what the current card support */ 6919 k = 0; 6920 for (i = 0; i < 14; i++) { 6921 range->freq[k].i = i + 1; /* List index */ 6922 range->freq[k].m = 100000 * 6923 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ); 6924 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */ 6925 } 6926 range->num_frequency = k; 6927 6928 range->sensitivity = 65535; 6929 6930 /* Hum... Should put the right values there */ 6931 if (local->rssi) 6932 range->max_qual.qual = 100; /* % */ 6933 else 6934 range->max_qual.qual = airo_get_max_quality(&cap_rid); 6935 range->max_qual.level = 0x100 - 120; /* -120 dBm */ 6936 range->max_qual.noise = 0x100 - 120; /* -120 dBm */ 6937 6938 /* Experimental measurements - boundary 11/5.5 Mb/s */ 6939 /* Note : with or without the (local->rssi), results 6940 * are somewhat different. - Jean II */ 6941 if (local->rssi) { 6942 range->avg_qual.qual = 50; /* % */ 6943 range->avg_qual.level = 0x100 - 70; /* -70 dBm */ 6944 } else { 6945 range->avg_qual.qual = airo_get_avg_quality(&cap_rid); 6946 range->avg_qual.level = 0x100 - 80; /* -80 dBm */ 6947 } 6948 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */ 6949 6950 for (i = 0 ; i < 8 ; i++) { 6951 range->bitrate[i] = cap_rid.supportedRates[i] * 500000; 6952 if (range->bitrate[i] == 0) 6953 break; 6954 } 6955 range->num_bitrates = i; 6956 6957 /* Set an indication of the max TCP throughput 6958 * in bit/s that we can expect using this interface. 6959 * May be use for QoS stuff... Jean II */ 6960 if (i > 2) 6961 range->throughput = 5000 * 1000; 6962 else 6963 range->throughput = 1500 * 1000; 6964 6965 range->min_rts = 0; 6966 range->max_rts = AIRO_DEF_MTU; 6967 range->min_frag = 256; 6968 range->max_frag = AIRO_DEF_MTU; 6969 6970 if (cap_rid.softCap & cpu_to_le16(2)) { 6971 // WEP: RC4 40 bits 6972 range->encoding_size[0] = 5; 6973 // RC4 ~128 bits 6974 if (cap_rid.softCap & cpu_to_le16(0x100)) { 6975 range->encoding_size[1] = 13; 6976 range->num_encoding_sizes = 2; 6977 } else 6978 range->num_encoding_sizes = 1; 6979 range->max_encoding_tokens = 6980 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1; 6981 } else { 6982 range->num_encoding_sizes = 0; 6983 range->max_encoding_tokens = 0; 6984 } 6985 range->min_pmp = 0; 6986 range->max_pmp = 5000000; /* 5 secs */ 6987 range->min_pmt = 0; 6988 range->max_pmt = 65535 * 1024; /* ??? */ 6989 range->pmp_flags = IW_POWER_PERIOD; 6990 range->pmt_flags = IW_POWER_TIMEOUT; 6991 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; 6992 6993 /* Transmit Power - values are in mW */ 6994 for (i = 0 ; i < 8 ; i++) { 6995 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]); 6996 if (range->txpower[i] == 0) 6997 break; 6998 } 6999 range->num_txpower = i; 7000 range->txpower_capa = IW_TXPOW_MWATT; 7001 range->we_version_source = 19; 7002 range->we_version_compiled = WIRELESS_EXT; 7003 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; 7004 range->retry_flags = IW_RETRY_LIMIT; 7005 range->r_time_flags = IW_RETRY_LIFETIME; 7006 range->min_retry = 1; 7007 range->max_retry = 65535; 7008 range->min_r_time = 1024; 7009 range->max_r_time = 65535 * 1024; 7010 7011 /* Event capability (kernel + driver) */ 7012 range->event_capa[0] = (IW_EVENT_CAPA_K_0 | 7013 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | 7014 IW_EVENT_CAPA_MASK(SIOCGIWAP) | 7015 IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); 7016 range->event_capa[1] = IW_EVENT_CAPA_K_1; 7017 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP); 7018 return 0; 7019 } 7020 7021 /*------------------------------------------------------------------*/ 7022 /* 7023 * Wireless Handler : set Power Management 7024 */ 7025 static int airo_set_power(struct net_device *dev, 7026 struct iw_request_info *info, 7027 struct iw_param *vwrq, 7028 char *extra) 7029 { 7030 struct airo_info *local = dev->ml_priv; 7031 7032 readConfigRid(local, 1); 7033 if (vwrq->disabled) { 7034 if (sniffing_mode(local)) 7035 return -EINVAL; 7036 local->config.powerSaveMode = POWERSAVE_CAM; 7037 local->config.rmode &= ~RXMODE_MASK; 7038 local->config.rmode |= RXMODE_BC_MC_ADDR; 7039 set_bit (FLAG_COMMIT, &local->flags); 7040 return -EINPROGRESS; /* Call commit handler */ 7041 } 7042 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7043 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024); 7044 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7045 set_bit (FLAG_COMMIT, &local->flags); 7046 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { 7047 local->config.fastListenInterval = 7048 local->config.listenInterval = 7049 cpu_to_le16((vwrq->value + 500) / 1024); 7050 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7051 set_bit (FLAG_COMMIT, &local->flags); 7052 } 7053 switch (vwrq->flags & IW_POWER_MODE) { 7054 case IW_POWER_UNICAST_R: 7055 if (sniffing_mode(local)) 7056 return -EINVAL; 7057 local->config.rmode &= ~RXMODE_MASK; 7058 local->config.rmode |= RXMODE_ADDR; 7059 set_bit (FLAG_COMMIT, &local->flags); 7060 break; 7061 case IW_POWER_ALL_R: 7062 if (sniffing_mode(local)) 7063 return -EINVAL; 7064 local->config.rmode &= ~RXMODE_MASK; 7065 local->config.rmode |= RXMODE_BC_MC_ADDR; 7066 set_bit (FLAG_COMMIT, &local->flags); 7067 case IW_POWER_ON: 7068 /* This is broken, fixme ;-) */ 7069 break; 7070 default: 7071 return -EINVAL; 7072 } 7073 // Note : we may want to factor local->need_commit here 7074 // Note2 : may also want to factor RXMODE_RFMON test 7075 return -EINPROGRESS; /* Call commit handler */ 7076 } 7077 7078 /*------------------------------------------------------------------*/ 7079 /* 7080 * Wireless Handler : get Power Management 7081 */ 7082 static int airo_get_power(struct net_device *dev, 7083 struct iw_request_info *info, 7084 struct iw_param *vwrq, 7085 char *extra) 7086 { 7087 struct airo_info *local = dev->ml_priv; 7088 __le16 mode; 7089 7090 readConfigRid(local, 1); 7091 mode = local->config.powerSaveMode; 7092 if ((vwrq->disabled = (mode == POWERSAVE_CAM))) 7093 return 0; 7094 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7095 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024; 7096 vwrq->flags = IW_POWER_TIMEOUT; 7097 } else { 7098 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024; 7099 vwrq->flags = IW_POWER_PERIOD; 7100 } 7101 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR) 7102 vwrq->flags |= IW_POWER_UNICAST_R; 7103 else 7104 vwrq->flags |= IW_POWER_ALL_R; 7105 7106 return 0; 7107 } 7108 7109 /*------------------------------------------------------------------*/ 7110 /* 7111 * Wireless Handler : set Sensitivity 7112 */ 7113 static int airo_set_sens(struct net_device *dev, 7114 struct iw_request_info *info, 7115 struct iw_param *vwrq, 7116 char *extra) 7117 { 7118 struct airo_info *local = dev->ml_priv; 7119 7120 readConfigRid(local, 1); 7121 local->config.rssiThreshold = 7122 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value); 7123 set_bit (FLAG_COMMIT, &local->flags); 7124 7125 return -EINPROGRESS; /* Call commit handler */ 7126 } 7127 7128 /*------------------------------------------------------------------*/ 7129 /* 7130 * Wireless Handler : get Sensitivity 7131 */ 7132 static int airo_get_sens(struct net_device *dev, 7133 struct iw_request_info *info, 7134 struct iw_param *vwrq, 7135 char *extra) 7136 { 7137 struct airo_info *local = dev->ml_priv; 7138 7139 readConfigRid(local, 1); 7140 vwrq->value = le16_to_cpu(local->config.rssiThreshold); 7141 vwrq->disabled = (vwrq->value == 0); 7142 vwrq->fixed = 1; 7143 7144 return 0; 7145 } 7146 7147 /*------------------------------------------------------------------*/ 7148 /* 7149 * Wireless Handler : get AP List 7150 * Note : this is deprecated in favor of IWSCAN 7151 */ 7152 static int airo_get_aplist(struct net_device *dev, 7153 struct iw_request_info *info, 7154 struct iw_point *dwrq, 7155 char *extra) 7156 { 7157 struct airo_info *local = dev->ml_priv; 7158 struct sockaddr *address = (struct sockaddr *) extra; 7159 struct iw_quality *qual; 7160 BSSListRid BSSList; 7161 int i; 7162 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; 7163 7164 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL); 7165 if (!qual) 7166 return -ENOMEM; 7167 7168 for (i = 0; i < IW_MAX_AP; i++) { 7169 u16 dBm; 7170 if (readBSSListRid(local, loseSync, &BSSList)) 7171 break; 7172 loseSync = 0; 7173 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN); 7174 address[i].sa_family = ARPHRD_ETHER; 7175 dBm = le16_to_cpu(BSSList.dBm); 7176 if (local->rssi) { 7177 qual[i].level = 0x100 - dBm; 7178 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm); 7179 qual[i].updated = IW_QUAL_QUAL_UPDATED 7180 | IW_QUAL_LEVEL_UPDATED 7181 | IW_QUAL_DBM; 7182 } else { 7183 qual[i].level = (dBm + 321) / 2; 7184 qual[i].qual = 0; 7185 qual[i].updated = IW_QUAL_QUAL_INVALID 7186 | IW_QUAL_LEVEL_UPDATED 7187 | IW_QUAL_DBM; 7188 } 7189 qual[i].noise = local->wstats.qual.noise; 7190 if (BSSList.index == cpu_to_le16(0xffff)) 7191 break; 7192 } 7193 if (!i) { 7194 StatusRid status_rid; /* Card status info */ 7195 readStatusRid(local, &status_rid, 1); 7196 for (i = 0; 7197 i < min(IW_MAX_AP, 4) && 7198 (status_rid.bssid[i][0] 7199 & status_rid.bssid[i][1] 7200 & status_rid.bssid[i][2] 7201 & status_rid.bssid[i][3] 7202 & status_rid.bssid[i][4] 7203 & status_rid.bssid[i][5])!=0xff && 7204 (status_rid.bssid[i][0] 7205 | status_rid.bssid[i][1] 7206 | status_rid.bssid[i][2] 7207 | status_rid.bssid[i][3] 7208 | status_rid.bssid[i][4] 7209 | status_rid.bssid[i][5]); 7210 i++) { 7211 memcpy(address[i].sa_data, 7212 status_rid.bssid[i], ETH_ALEN); 7213 address[i].sa_family = ARPHRD_ETHER; 7214 } 7215 } else { 7216 dwrq->flags = 1; /* Should be define'd */ 7217 memcpy(extra + sizeof(struct sockaddr) * i, qual, 7218 sizeof(struct iw_quality) * i); 7219 } 7220 dwrq->length = i; 7221 7222 kfree(qual); 7223 return 0; 7224 } 7225 7226 /*------------------------------------------------------------------*/ 7227 /* 7228 * Wireless Handler : Initiate Scan 7229 */ 7230 static int airo_set_scan(struct net_device *dev, 7231 struct iw_request_info *info, 7232 struct iw_point *dwrq, 7233 char *extra) 7234 { 7235 struct airo_info *ai = dev->ml_priv; 7236 Cmd cmd; 7237 Resp rsp; 7238 int wake = 0; 7239 APListRid APList_rid_empty; 7240 7241 /* Note : you may have realised that, as this is a SET operation, 7242 * this is privileged and therefore a normal user can't 7243 * perform scanning. 7244 * This is not an error, while the device perform scanning, 7245 * traffic doesn't flow, so it's a perfect DoS... 7246 * Jean II */ 7247 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 7248 7249 if (down_interruptible(&ai->sem)) 7250 return -ERESTARTSYS; 7251 7252 /* If there's already a scan in progress, don't 7253 * trigger another one. */ 7254 if (ai->scan_timeout > 0) 7255 goto out; 7256 7257 /* Clear APList as it affects scan results */ 7258 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty)); 7259 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty)); 7260 disable_MAC(ai, 2); 7261 writeAPListRid(ai, &APList_rid_empty, 0); 7262 enable_MAC(ai, 0); 7263 7264 /* Initiate a scan command */ 7265 ai->scan_timeout = RUN_AT(3*HZ); 7266 memset(&cmd, 0, sizeof(cmd)); 7267 cmd.cmd = CMD_LISTBSS; 7268 issuecommand(ai, &cmd, &rsp); 7269 wake = 1; 7270 7271 out: 7272 up(&ai->sem); 7273 if (wake) 7274 wake_up_interruptible(&ai->thr_wait); 7275 return 0; 7276 } 7277 7278 /*------------------------------------------------------------------*/ 7279 /* 7280 * Translate scan data returned from the card to a card independent 7281 * format that the Wireless Tools will understand - Jean II 7282 */ 7283 static inline char *airo_translate_scan(struct net_device *dev, 7284 struct iw_request_info *info, 7285 char *current_ev, 7286 char *end_buf, 7287 BSSListRid *bss) 7288 { 7289 struct airo_info *ai = dev->ml_priv; 7290 struct iw_event iwe; /* Temporary buffer */ 7291 __le16 capabilities; 7292 char * current_val; /* For rates */ 7293 int i; 7294 char * buf; 7295 u16 dBm; 7296 7297 /* First entry *MUST* be the AP MAC address */ 7298 iwe.cmd = SIOCGIWAP; 7299 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 7300 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN); 7301 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7302 &iwe, IW_EV_ADDR_LEN); 7303 7304 /* Other entries will be displayed in the order we give them */ 7305 7306 /* Add the ESSID */ 7307 iwe.u.data.length = bss->ssidLen; 7308 if (iwe.u.data.length > 32) 7309 iwe.u.data.length = 32; 7310 iwe.cmd = SIOCGIWESSID; 7311 iwe.u.data.flags = 1; 7312 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7313 &iwe, bss->ssid); 7314 7315 /* Add mode */ 7316 iwe.cmd = SIOCGIWMODE; 7317 capabilities = bss->cap; 7318 if (capabilities & (CAP_ESS | CAP_IBSS)) { 7319 if (capabilities & CAP_ESS) 7320 iwe.u.mode = IW_MODE_MASTER; 7321 else 7322 iwe.u.mode = IW_MODE_ADHOC; 7323 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7324 &iwe, IW_EV_UINT_LEN); 7325 } 7326 7327 /* Add frequency */ 7328 iwe.cmd = SIOCGIWFREQ; 7329 iwe.u.freq.m = le16_to_cpu(bss->dsChannel); 7330 iwe.u.freq.m = 100000 * 7331 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ); 7332 iwe.u.freq.e = 1; 7333 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7334 &iwe, IW_EV_FREQ_LEN); 7335 7336 dBm = le16_to_cpu(bss->dBm); 7337 7338 /* Add quality statistics */ 7339 iwe.cmd = IWEVQUAL; 7340 if (ai->rssi) { 7341 iwe.u.qual.level = 0x100 - dBm; 7342 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm); 7343 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED 7344 | IW_QUAL_LEVEL_UPDATED 7345 | IW_QUAL_DBM; 7346 } else { 7347 iwe.u.qual.level = (dBm + 321) / 2; 7348 iwe.u.qual.qual = 0; 7349 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID 7350 | IW_QUAL_LEVEL_UPDATED 7351 | IW_QUAL_DBM; 7352 } 7353 iwe.u.qual.noise = ai->wstats.qual.noise; 7354 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7355 &iwe, IW_EV_QUAL_LEN); 7356 7357 /* Add encryption capability */ 7358 iwe.cmd = SIOCGIWENCODE; 7359 if (capabilities & CAP_PRIVACY) 7360 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 7361 else 7362 iwe.u.data.flags = IW_ENCODE_DISABLED; 7363 iwe.u.data.length = 0; 7364 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7365 &iwe, bss->ssid); 7366 7367 /* Rate : stuffing multiple values in a single event require a bit 7368 * more of magic - Jean II */ 7369 current_val = current_ev + iwe_stream_lcp_len(info); 7370 7371 iwe.cmd = SIOCGIWRATE; 7372 /* Those two flags are ignored... */ 7373 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 7374 /* Max 8 values */ 7375 for (i = 0 ; i < 8 ; i++) { 7376 /* NULL terminated */ 7377 if (bss->rates[i] == 0) 7378 break; 7379 /* Bit rate given in 500 kb/s units (+ 0x80) */ 7380 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000); 7381 /* Add new value to event */ 7382 current_val = iwe_stream_add_value(info, current_ev, 7383 current_val, end_buf, 7384 &iwe, IW_EV_PARAM_LEN); 7385 } 7386 /* Check if we added any event */ 7387 if ((current_val - current_ev) > iwe_stream_lcp_len(info)) 7388 current_ev = current_val; 7389 7390 /* Beacon interval */ 7391 buf = kmalloc(30, GFP_KERNEL); 7392 if (buf) { 7393 iwe.cmd = IWEVCUSTOM; 7394 sprintf(buf, "bcn_int=%d", bss->beaconInterval); 7395 iwe.u.data.length = strlen(buf); 7396 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7397 &iwe, buf); 7398 kfree(buf); 7399 } 7400 7401 /* Put WPA/RSN Information Elements into the event stream */ 7402 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) { 7403 unsigned int num_null_ies = 0; 7404 u16 length = sizeof (bss->extra.iep); 7405 u8 *ie = (void *)&bss->extra.iep; 7406 7407 while ((length >= 2) && (num_null_ies < 2)) { 7408 if (2 + ie[1] > length) { 7409 /* Invalid element, don't continue parsing IE */ 7410 break; 7411 } 7412 7413 switch (ie[0]) { 7414 case WLAN_EID_SSID: 7415 /* Two zero-length SSID elements 7416 * mean we're done parsing elements */ 7417 if (!ie[1]) 7418 num_null_ies++; 7419 break; 7420 7421 case WLAN_EID_VENDOR_SPECIFIC: 7422 if (ie[1] >= 4 && 7423 ie[2] == 0x00 && 7424 ie[3] == 0x50 && 7425 ie[4] == 0xf2 && 7426 ie[5] == 0x01) { 7427 iwe.cmd = IWEVGENIE; 7428 /* 64 is an arbitrary cut-off */ 7429 iwe.u.data.length = min(ie[1] + 2, 7430 64); 7431 current_ev = iwe_stream_add_point( 7432 info, current_ev, 7433 end_buf, &iwe, ie); 7434 } 7435 break; 7436 7437 case WLAN_EID_RSN: 7438 iwe.cmd = IWEVGENIE; 7439 /* 64 is an arbitrary cut-off */ 7440 iwe.u.data.length = min(ie[1] + 2, 64); 7441 current_ev = iwe_stream_add_point( 7442 info, current_ev, end_buf, 7443 &iwe, ie); 7444 break; 7445 7446 default: 7447 break; 7448 } 7449 7450 length -= 2 + ie[1]; 7451 ie += 2 + ie[1]; 7452 } 7453 } 7454 return current_ev; 7455 } 7456 7457 /*------------------------------------------------------------------*/ 7458 /* 7459 * Wireless Handler : Read Scan Results 7460 */ 7461 static int airo_get_scan(struct net_device *dev, 7462 struct iw_request_info *info, 7463 struct iw_point *dwrq, 7464 char *extra) 7465 { 7466 struct airo_info *ai = dev->ml_priv; 7467 BSSListElement *net; 7468 int err = 0; 7469 char *current_ev = extra; 7470 7471 /* If a scan is in-progress, return -EAGAIN */ 7472 if (ai->scan_timeout > 0) 7473 return -EAGAIN; 7474 7475 if (down_interruptible(&ai->sem)) 7476 return -EAGAIN; 7477 7478 list_for_each_entry (net, &ai->network_list, list) { 7479 /* Translate to WE format this entry */ 7480 current_ev = airo_translate_scan(dev, info, current_ev, 7481 extra + dwrq->length, 7482 &net->bss); 7483 7484 /* Check if there is space for one more entry */ 7485 if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { 7486 /* Ask user space to try again with a bigger buffer */ 7487 err = -E2BIG; 7488 goto out; 7489 } 7490 } 7491 7492 /* Length of data */ 7493 dwrq->length = (current_ev - extra); 7494 dwrq->flags = 0; /* todo */ 7495 7496 out: 7497 up(&ai->sem); 7498 return err; 7499 } 7500 7501 /*------------------------------------------------------------------*/ 7502 /* 7503 * Commit handler : called after a bunch of SET operations 7504 */ 7505 static int airo_config_commit(struct net_device *dev, 7506 struct iw_request_info *info, /* NULL */ 7507 void *zwrq, /* NULL */ 7508 char *extra) /* NULL */ 7509 { 7510 struct airo_info *local = dev->ml_priv; 7511 7512 if (!test_bit (FLAG_COMMIT, &local->flags)) 7513 return 0; 7514 7515 /* Some of the "SET" function may have modified some of the 7516 * parameters. It's now time to commit them in the card */ 7517 disable_MAC(local, 1); 7518 if (test_bit (FLAG_RESET, &local->flags)) { 7519 SsidRid SSID_rid; 7520 7521 readSsidRid(local, &SSID_rid); 7522 if (test_bit(FLAG_MPI,&local->flags)) 7523 setup_card(local, dev->dev_addr, 1); 7524 else 7525 reset_airo_card(dev); 7526 disable_MAC(local, 1); 7527 writeSsidRid(local, &SSID_rid, 1); 7528 writeAPListRid(local, &local->APList, 1); 7529 } 7530 if (down_interruptible(&local->sem)) 7531 return -ERESTARTSYS; 7532 writeConfigRid(local, 0); 7533 enable_MAC(local, 0); 7534 if (test_bit (FLAG_RESET, &local->flags)) 7535 airo_set_promisc(local); 7536 else 7537 up(&local->sem); 7538 7539 return 0; 7540 } 7541 7542 /*------------------------------------------------------------------*/ 7543 /* 7544 * Structures to export the Wireless Handlers 7545 */ 7546 7547 static const struct iw_priv_args airo_private_args[] = { 7548 /*{ cmd, set_args, get_args, name } */ 7549 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7550 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" }, 7551 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7552 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" }, 7553 }; 7554 7555 static const iw_handler airo_handler[] = 7556 { 7557 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */ 7558 (iw_handler) airo_get_name, /* SIOCGIWNAME */ 7559 (iw_handler) NULL, /* SIOCSIWNWID */ 7560 (iw_handler) NULL, /* SIOCGIWNWID */ 7561 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */ 7562 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */ 7563 (iw_handler) airo_set_mode, /* SIOCSIWMODE */ 7564 (iw_handler) airo_get_mode, /* SIOCGIWMODE */ 7565 (iw_handler) airo_set_sens, /* SIOCSIWSENS */ 7566 (iw_handler) airo_get_sens, /* SIOCGIWSENS */ 7567 (iw_handler) NULL, /* SIOCSIWRANGE */ 7568 (iw_handler) airo_get_range, /* SIOCGIWRANGE */ 7569 (iw_handler) NULL, /* SIOCSIWPRIV */ 7570 (iw_handler) NULL, /* SIOCGIWPRIV */ 7571 (iw_handler) NULL, /* SIOCSIWSTATS */ 7572 (iw_handler) NULL, /* SIOCGIWSTATS */ 7573 iw_handler_set_spy, /* SIOCSIWSPY */ 7574 iw_handler_get_spy, /* SIOCGIWSPY */ 7575 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ 7576 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ 7577 (iw_handler) airo_set_wap, /* SIOCSIWAP */ 7578 (iw_handler) airo_get_wap, /* SIOCGIWAP */ 7579 (iw_handler) NULL, /* -- hole -- */ 7580 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */ 7581 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */ 7582 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */ 7583 (iw_handler) airo_set_essid, /* SIOCSIWESSID */ 7584 (iw_handler) airo_get_essid, /* SIOCGIWESSID */ 7585 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */ 7586 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */ 7587 (iw_handler) NULL, /* -- hole -- */ 7588 (iw_handler) NULL, /* -- hole -- */ 7589 (iw_handler) airo_set_rate, /* SIOCSIWRATE */ 7590 (iw_handler) airo_get_rate, /* SIOCGIWRATE */ 7591 (iw_handler) airo_set_rts, /* SIOCSIWRTS */ 7592 (iw_handler) airo_get_rts, /* SIOCGIWRTS */ 7593 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */ 7594 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */ 7595 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */ 7596 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */ 7597 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */ 7598 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */ 7599 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */ 7600 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */ 7601 (iw_handler) airo_set_power, /* SIOCSIWPOWER */ 7602 (iw_handler) airo_get_power, /* SIOCGIWPOWER */ 7603 (iw_handler) NULL, /* -- hole -- */ 7604 (iw_handler) NULL, /* -- hole -- */ 7605 (iw_handler) NULL, /* SIOCSIWGENIE */ 7606 (iw_handler) NULL, /* SIOCGIWGENIE */ 7607 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */ 7608 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */ 7609 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */ 7610 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */ 7611 (iw_handler) NULL, /* SIOCSIWPMKSA */ 7612 }; 7613 7614 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here. 7615 * We want to force the use of the ioctl code, because those can't be 7616 * won't work the iw_handler code (because they simultaneously read 7617 * and write data and iw_handler can't do that). 7618 * Note that it's perfectly legal to read/write on a single ioctl command, 7619 * you just can't use iwpriv and need to force it via the ioctl handler. 7620 * Jean II */ 7621 static const iw_handler airo_private_handler[] = 7622 { 7623 NULL, /* SIOCIWFIRSTPRIV */ 7624 }; 7625 7626 static const struct iw_handler_def airo_handler_def = 7627 { 7628 .num_standard = ARRAY_SIZE(airo_handler), 7629 .num_private = ARRAY_SIZE(airo_private_handler), 7630 .num_private_args = ARRAY_SIZE(airo_private_args), 7631 .standard = airo_handler, 7632 .private = airo_private_handler, 7633 .private_args = airo_private_args, 7634 .get_wireless_stats = airo_get_wireless_stats, 7635 }; 7636 7637 /* 7638 * This defines the configuration part of the Wireless Extensions 7639 * Note : irq and spinlock protection will occur in the subroutines 7640 * 7641 * TODO : 7642 * o Check input value more carefully and fill correct values in range 7643 * o Test and shakeout the bugs (if any) 7644 * 7645 * Jean II 7646 * 7647 * Javier Achirica did a great job of merging code from the unnamed CISCO 7648 * developer that added support for flashing the card. 7649 */ 7650 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 7651 { 7652 int rc = 0; 7653 struct airo_info *ai = dev->ml_priv; 7654 7655 if (ai->power.event) 7656 return 0; 7657 7658 switch (cmd) { 7659 #ifdef CISCO_EXT 7660 case AIROIDIFC: 7661 #ifdef AIROOLDIDIFC 7662 case AIROOLDIDIFC: 7663 #endif 7664 { 7665 int val = AIROMAGIC; 7666 aironet_ioctl com; 7667 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) 7668 rc = -EFAULT; 7669 else if (copy_to_user(com.data, (char *)&val, sizeof(val))) 7670 rc = -EFAULT; 7671 } 7672 break; 7673 7674 case AIROIOCTL: 7675 #ifdef AIROOLDIOCTL 7676 case AIROOLDIOCTL: 7677 #endif 7678 /* Get the command struct and hand it off for evaluation by 7679 * the proper subfunction 7680 */ 7681 { 7682 aironet_ioctl com; 7683 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) { 7684 rc = -EFAULT; 7685 break; 7686 } 7687 7688 /* Separate R/W functions bracket legality here 7689 */ 7690 if (com.command == AIRORSWVERSION) { 7691 if (copy_to_user(com.data, swversion, sizeof(swversion))) 7692 rc = -EFAULT; 7693 else 7694 rc = 0; 7695 } 7696 else if (com.command <= AIRORRID) 7697 rc = readrids(dev,&com); 7698 else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2)) 7699 rc = writerids(dev,&com); 7700 else if (com.command >= AIROFLSHRST && com.command <= AIRORESTART) 7701 rc = flashcard(dev,&com); 7702 else 7703 rc = -EINVAL; /* Bad command in ioctl */ 7704 } 7705 break; 7706 #endif /* CISCO_EXT */ 7707 7708 // All other calls are currently unsupported 7709 default: 7710 rc = -EOPNOTSUPP; 7711 } 7712 return rc; 7713 } 7714 7715 /* 7716 * Get the Wireless stats out of the driver 7717 * Note : irq and spinlock protection will occur in the subroutines 7718 * 7719 * TODO : 7720 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs) 7721 * 7722 * Jean 7723 */ 7724 static void airo_read_wireless_stats(struct airo_info *local) 7725 { 7726 StatusRid status_rid; 7727 StatsRid stats_rid; 7728 CapabilityRid cap_rid; 7729 __le32 *vals = stats_rid.vals; 7730 7731 /* Get stats out of the card */ 7732 clear_bit(JOB_WSTATS, &local->jobs); 7733 if (local->power.event) { 7734 up(&local->sem); 7735 return; 7736 } 7737 readCapabilityRid(local, &cap_rid, 0); 7738 readStatusRid(local, &status_rid, 0); 7739 readStatsRid(local, &stats_rid, RID_STATS, 0); 7740 up(&local->sem); 7741 7742 /* The status */ 7743 local->wstats.status = le16_to_cpu(status_rid.mode); 7744 7745 /* Signal quality and co */ 7746 if (local->rssi) { 7747 local->wstats.qual.level = 7748 airo_rssi_to_dbm(local->rssi, 7749 le16_to_cpu(status_rid.sigQuality)); 7750 /* normalizedSignalStrength appears to be a percentage */ 7751 local->wstats.qual.qual = 7752 le16_to_cpu(status_rid.normalizedSignalStrength); 7753 } else { 7754 local->wstats.qual.level = 7755 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2; 7756 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid); 7757 } 7758 if (le16_to_cpu(status_rid.len) >= 124) { 7759 local->wstats.qual.noise = 0x100 - status_rid.noisedBm; 7760 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 7761 } else { 7762 local->wstats.qual.noise = 0; 7763 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM; 7764 } 7765 7766 /* Packets discarded in the wireless adapter due to wireless 7767 * specific problems */ 7768 local->wstats.discard.nwid = le32_to_cpu(vals[56]) + 7769 le32_to_cpu(vals[57]) + 7770 le32_to_cpu(vals[58]); /* SSID Mismatch */ 7771 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */ 7772 local->wstats.discard.fragment = le32_to_cpu(vals[30]); 7773 local->wstats.discard.retries = le32_to_cpu(vals[10]); 7774 local->wstats.discard.misc = le32_to_cpu(vals[1]) + 7775 le32_to_cpu(vals[32]); 7776 local->wstats.miss.beacon = le32_to_cpu(vals[34]); 7777 } 7778 7779 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) 7780 { 7781 struct airo_info *local = dev->ml_priv; 7782 7783 if (!test_bit(JOB_WSTATS, &local->jobs)) { 7784 /* Get stats out of the card if available */ 7785 if (down_trylock(&local->sem) != 0) { 7786 set_bit(JOB_WSTATS, &local->jobs); 7787 wake_up_interruptible(&local->thr_wait); 7788 } else 7789 airo_read_wireless_stats(local); 7790 } 7791 7792 return &local->wstats; 7793 } 7794 7795 #ifdef CISCO_EXT 7796 /* 7797 * This just translates from driver IOCTL codes to the command codes to 7798 * feed to the radio's host interface. Things can be added/deleted 7799 * as needed. This represents the READ side of control I/O to 7800 * the card 7801 */ 7802 static int readrids(struct net_device *dev, aironet_ioctl *comp) 7803 { 7804 unsigned short ridcode; 7805 unsigned char *iobuf; 7806 int len; 7807 struct airo_info *ai = dev->ml_priv; 7808 7809 if (test_bit(FLAG_FLASHING, &ai->flags)) 7810 return -EIO; 7811 7812 switch(comp->command) 7813 { 7814 case AIROGCAP: ridcode = RID_CAPABILITIES; break; 7815 case AIROGCFG: ridcode = RID_CONFIG; 7816 if (test_bit(FLAG_COMMIT, &ai->flags)) { 7817 disable_MAC (ai, 1); 7818 writeConfigRid (ai, 1); 7819 enable_MAC(ai, 1); 7820 } 7821 break; 7822 case AIROGSLIST: ridcode = RID_SSID; break; 7823 case AIROGVLIST: ridcode = RID_APLIST; break; 7824 case AIROGDRVNAM: ridcode = RID_DRVNAME; break; 7825 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break; 7826 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break; 7827 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break; 7828 case AIROGSTAT: ridcode = RID_STATUS; break; 7829 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break; 7830 case AIROGSTATSC32: ridcode = RID_STATS; break; 7831 case AIROGMICSTATS: 7832 if (copy_to_user(comp->data, &ai->micstats, 7833 min((int)comp->len, (int)sizeof(ai->micstats)))) 7834 return -EFAULT; 7835 return 0; 7836 case AIRORRID: ridcode = comp->ridnum; break; 7837 default: 7838 return -EINVAL; 7839 } 7840 7841 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) { 7842 /* Only super-user can read WEP keys */ 7843 if (!capable(CAP_NET_ADMIN)) 7844 return -EPERM; 7845 } 7846 7847 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7848 return -ENOMEM; 7849 7850 PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1); 7851 /* get the count of bytes in the rid docs say 1st 2 bytes is it. 7852 * then return it to the user 7853 * 9/22/2000 Honor user given length 7854 */ 7855 len = comp->len; 7856 7857 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) { 7858 kfree (iobuf); 7859 return -EFAULT; 7860 } 7861 kfree (iobuf); 7862 return 0; 7863 } 7864 7865 /* 7866 * Danger Will Robinson write the rids here 7867 */ 7868 7869 static int writerids(struct net_device *dev, aironet_ioctl *comp) 7870 { 7871 struct airo_info *ai = dev->ml_priv; 7872 int ridcode; 7873 int enabled; 7874 int (*writer)(struct airo_info *, u16 rid, const void *, int, int); 7875 unsigned char *iobuf; 7876 7877 /* Only super-user can write RIDs */ 7878 if (!capable(CAP_NET_ADMIN)) 7879 return -EPERM; 7880 7881 if (test_bit(FLAG_FLASHING, &ai->flags)) 7882 return -EIO; 7883 7884 ridcode = 0; 7885 writer = do_writerid; 7886 7887 switch(comp->command) 7888 { 7889 case AIROPSIDS: ridcode = RID_SSID; break; 7890 case AIROPCAP: ridcode = RID_CAPABILITIES; break; 7891 case AIROPAPLIST: ridcode = RID_APLIST; break; 7892 case AIROPCFG: ai->config.len = 0; 7893 clear_bit(FLAG_COMMIT, &ai->flags); 7894 ridcode = RID_CONFIG; break; 7895 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break; 7896 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break; 7897 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break; 7898 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid; 7899 break; 7900 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break; 7901 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break; 7902 7903 /* this is not really a rid but a command given to the card 7904 * same with MAC off 7905 */ 7906 case AIROPMACON: 7907 if (enable_MAC(ai, 1) != 0) 7908 return -EIO; 7909 return 0; 7910 7911 /* 7912 * Evidently this code in the airo driver does not get a symbol 7913 * as disable_MAC. it's probably so short the compiler does not gen one. 7914 */ 7915 case AIROPMACOFF: 7916 disable_MAC(ai, 1); 7917 return 0; 7918 7919 /* This command merely clears the counts does not actually store any data 7920 * only reads rid. But as it changes the cards state, I put it in the 7921 * writerid routines. 7922 */ 7923 case AIROPSTCLR: 7924 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7925 return -ENOMEM; 7926 7927 PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1); 7928 7929 enabled = ai->micstats.enabled; 7930 memset(&ai->micstats, 0, sizeof(ai->micstats)); 7931 ai->micstats.enabled = enabled; 7932 7933 if (copy_to_user(comp->data, iobuf, 7934 min((int)comp->len, (int)RIDSIZE))) { 7935 kfree (iobuf); 7936 return -EFAULT; 7937 } 7938 kfree (iobuf); 7939 return 0; 7940 7941 default: 7942 return -EOPNOTSUPP; /* Blarg! */ 7943 } 7944 if (comp->len > RIDSIZE) 7945 return -EINVAL; 7946 7947 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7948 return -ENOMEM; 7949 7950 if (copy_from_user(iobuf, comp->data, comp->len)) { 7951 kfree (iobuf); 7952 return -EFAULT; 7953 } 7954 7955 if (comp->command == AIROPCFG) { 7956 ConfigRid *cfg = (ConfigRid *)iobuf; 7957 7958 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) 7959 cfg->opmode |= MODE_MIC; 7960 7961 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 7962 set_bit (FLAG_ADHOC, &ai->flags); 7963 else 7964 clear_bit (FLAG_ADHOC, &ai->flags); 7965 } 7966 7967 if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) { 7968 kfree (iobuf); 7969 return -EIO; 7970 } 7971 kfree (iobuf); 7972 return 0; 7973 } 7974 7975 /***************************************************************************** 7976 * Ancillary flash / mod functions much black magic lurkes here * 7977 ***************************************************************************** 7978 */ 7979 7980 /* 7981 * Flash command switch table 7982 */ 7983 7984 static int flashcard(struct net_device *dev, aironet_ioctl *comp) 7985 { 7986 int z; 7987 7988 /* Only super-user can modify flash */ 7989 if (!capable(CAP_NET_ADMIN)) 7990 return -EPERM; 7991 7992 switch(comp->command) 7993 { 7994 case AIROFLSHRST: 7995 return cmdreset((struct airo_info *)dev->ml_priv); 7996 7997 case AIROFLSHSTFL: 7998 if (!AIRO_FLASH(dev) && 7999 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL) 8000 return -ENOMEM; 8001 return setflashmode((struct airo_info *)dev->ml_priv); 8002 8003 case AIROFLSHGCHR: /* Get char from aux */ 8004 if (comp->len != sizeof(int)) 8005 return -EINVAL; 8006 if (copy_from_user(&z, comp->data, comp->len)) 8007 return -EFAULT; 8008 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000); 8009 8010 case AIROFLSHPCHR: /* Send char to card. */ 8011 if (comp->len != sizeof(int)) 8012 return -EINVAL; 8013 if (copy_from_user(&z, comp->data, comp->len)) 8014 return -EFAULT; 8015 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000); 8016 8017 case AIROFLPUTBUF: /* Send 32k to card */ 8018 if (!AIRO_FLASH(dev)) 8019 return -ENOMEM; 8020 if (comp->len > FLASHSIZE) 8021 return -EINVAL; 8022 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len)) 8023 return -EFAULT; 8024 8025 flashputbuf((struct airo_info *)dev->ml_priv); 8026 return 0; 8027 8028 case AIRORESTART: 8029 if (flashrestart((struct airo_info *)dev->ml_priv, dev)) 8030 return -EIO; 8031 return 0; 8032 } 8033 return -EINVAL; 8034 } 8035 8036 #define FLASH_COMMAND 0x7e7e 8037 8038 /* 8039 * STEP 1) 8040 * Disable MAC and do soft reset on 8041 * card. 8042 */ 8043 8044 static int cmdreset(struct airo_info *ai) 8045 { 8046 disable_MAC(ai, 1); 8047 8048 if (!waitbusy (ai)) { 8049 airo_print_info(ai->dev->name, "Waitbusy hang before RESET"); 8050 return -EBUSY; 8051 } 8052 8053 OUT4500(ai, COMMAND, CMD_SOFTRESET); 8054 8055 ssleep(1); /* WAS 600 12/7/00 */ 8056 8057 if (!waitbusy (ai)) { 8058 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET"); 8059 return -EBUSY; 8060 } 8061 return 0; 8062 } 8063 8064 /* STEP 2) 8065 * Put the card in legendary flash 8066 * mode 8067 */ 8068 8069 static int setflashmode (struct airo_info *ai) 8070 { 8071 set_bit (FLAG_FLASHING, &ai->flags); 8072 8073 OUT4500(ai, SWS0, FLASH_COMMAND); 8074 OUT4500(ai, SWS1, FLASH_COMMAND); 8075 if (probe) { 8076 OUT4500(ai, SWS0, FLASH_COMMAND); 8077 OUT4500(ai, COMMAND, 0x10); 8078 } else { 8079 OUT4500(ai, SWS2, FLASH_COMMAND); 8080 OUT4500(ai, SWS3, FLASH_COMMAND); 8081 OUT4500(ai, COMMAND, 0); 8082 } 8083 msleep(500); /* 500ms delay */ 8084 8085 if (!waitbusy(ai)) { 8086 clear_bit (FLAG_FLASHING, &ai->flags); 8087 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode"); 8088 return -EIO; 8089 } 8090 return 0; 8091 } 8092 8093 /* Put character to SWS0 wait for dwelltime 8094 * x 50us for echo . 8095 */ 8096 8097 static int flashpchar(struct airo_info *ai, int byte, int dwelltime) 8098 { 8099 int echo; 8100 int waittime; 8101 8102 byte |= 0x8000; 8103 8104 if (dwelltime == 0) 8105 dwelltime = 200; 8106 8107 waittime = dwelltime; 8108 8109 /* Wait for busy bit d15 to go false indicating buffer empty */ 8110 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) { 8111 udelay (50); 8112 waittime -= 50; 8113 } 8114 8115 /* timeout for busy clear wait */ 8116 if (waittime <= 0) { 8117 airo_print_info(ai->dev->name, "flash putchar busywait timeout!"); 8118 return -EBUSY; 8119 } 8120 8121 /* Port is clear now write byte and wait for it to echo back */ 8122 do { 8123 OUT4500(ai, SWS0, byte); 8124 udelay(50); 8125 dwelltime -= 50; 8126 echo = IN4500(ai, SWS1); 8127 } while (dwelltime >= 0 && echo != byte); 8128 8129 OUT4500(ai, SWS1, 0); 8130 8131 return (echo == byte) ? 0 : -EIO; 8132 } 8133 8134 /* 8135 * Get a character from the card matching matchbyte 8136 * Step 3) 8137 */ 8138 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime) 8139 { 8140 int rchar; 8141 unsigned char rbyte = 0; 8142 8143 do { 8144 rchar = IN4500(ai, SWS1); 8145 8146 if (dwelltime && !(0x8000 & rchar)) { 8147 dwelltime -= 10; 8148 mdelay(10); 8149 continue; 8150 } 8151 rbyte = 0xff & rchar; 8152 8153 if ((rbyte == matchbyte) && (0x8000 & rchar)) { 8154 OUT4500(ai, SWS1, 0); 8155 return 0; 8156 } 8157 if (rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar) 8158 break; 8159 OUT4500(ai, SWS1, 0); 8160 8161 } while (dwelltime > 0); 8162 return -EIO; 8163 } 8164 8165 /* 8166 * Transfer 32k of firmware data from user buffer to our buffer and 8167 * send to the card 8168 */ 8169 8170 static int flashputbuf(struct airo_info *ai) 8171 { 8172 int nwords; 8173 8174 /* Write stuff */ 8175 if (test_bit(FLAG_MPI,&ai->flags)) 8176 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE); 8177 else { 8178 OUT4500(ai, AUXPAGE, 0x100); 8179 OUT4500(ai, AUXOFF, 0); 8180 8181 for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) { 8182 OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff); 8183 } 8184 } 8185 OUT4500(ai, SWS0, 0x8000); 8186 8187 return 0; 8188 } 8189 8190 /* 8191 * 8192 */ 8193 static int flashrestart(struct airo_info *ai, struct net_device *dev) 8194 { 8195 int i, status; 8196 8197 ssleep(1); /* Added 12/7/00 */ 8198 clear_bit (FLAG_FLASHING, &ai->flags); 8199 if (test_bit(FLAG_MPI, &ai->flags)) { 8200 status = mpi_init_descriptors(ai); 8201 if (status != SUCCESS) 8202 return status; 8203 } 8204 status = setup_card(ai, dev->dev_addr, 1); 8205 8206 if (!test_bit(FLAG_MPI,&ai->flags)) 8207 for (i = 0; i < MAX_FIDS; i++) { 8208 ai->fids[i] = transmit_allocate 8209 (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2); 8210 } 8211 8212 ssleep(1); /* Added 12/7/00 */ 8213 return status; 8214 } 8215 #endif /* CISCO_EXT */ 8216 8217 /* 8218 This program is free software; you can redistribute it and/or 8219 modify it under the terms of the GNU General Public License 8220 as published by the Free Software Foundation; either version 2 8221 of the License, or (at your option) any later version. 8222 8223 This program is distributed in the hope that it will be useful, 8224 but WITHOUT ANY WARRANTY; without even the implied warranty of 8225 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8226 GNU General Public License for more details. 8227 8228 In addition: 8229 8230 Redistribution and use in source and binary forms, with or without 8231 modification, are permitted provided that the following conditions 8232 are met: 8233 8234 1. Redistributions of source code must retain the above copyright 8235 notice, this list of conditions and the following disclaimer. 8236 2. Redistributions in binary form must reproduce the above copyright 8237 notice, this list of conditions and the following disclaimer in the 8238 documentation and/or other materials provided with the distribution. 8239 3. The name of the author may not be used to endorse or promote 8240 products derived from this software without specific prior written 8241 permission. 8242 8243 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 8244 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 8245 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 8246 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 8247 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 8248 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 8249 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 8250 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 8251 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 8252 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 8253 POSSIBILITY OF SUCH DAMAGE. 8254 */ 8255 8256 module_init(airo_init_module); 8257 module_exit(airo_cleanup_module); 8258