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 bool may_sleep); 1120 static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap); 1121 static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, 1122 int whichbap); 1123 static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, 1124 int whichbap); 1125 static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen, 1126 int whichbap); 1127 static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd); 1128 static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock); 1129 static int PC4500_writerid(struct airo_info*, u16 rid, const void 1130 *pBuf, int len, int lock); 1131 static int do_writerid(struct airo_info*, u16 rid, const void *rid_data, 1132 int len, int dummy); 1133 static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw); 1134 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket, 1135 bool may_sleep); 1136 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket, 1137 bool may_sleep); 1138 1139 static int mpi_send_packet(struct net_device *dev); 1140 static void mpi_unmap_card(struct pci_dev *pci); 1141 static void mpi_receive_802_3(struct airo_info *ai); 1142 static void mpi_receive_802_11(struct airo_info *ai); 1143 static int waitbusy(struct airo_info *ai); 1144 1145 static irqreturn_t airo_interrupt(int irq, void* dev_id); 1146 static int airo_thread(void *data); 1147 static void timer_func(struct net_device *dev); 1148 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 1149 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev); 1150 #ifdef CISCO_EXT 1151 static int readrids(struct net_device *dev, aironet_ioctl *comp); 1152 static int writerids(struct net_device *dev, aironet_ioctl *comp); 1153 static int flashcard(struct net_device *dev, aironet_ioctl *comp); 1154 #endif /* CISCO_EXT */ 1155 static void micinit(struct airo_info *ai); 1156 static int micsetup(struct airo_info *ai); 1157 static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len); 1158 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen); 1159 1160 static u8 airo_rssi_to_dbm(tdsRssiEntry *rssi_rid, u8 rssi); 1161 static u8 airo_dbm_to_pct(tdsRssiEntry *rssi_rid, u8 dbm); 1162 1163 static void airo_networks_free(struct airo_info *ai); 1164 1165 struct airo_info { 1166 struct net_device *dev; 1167 struct list_head dev_list; 1168 /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we 1169 use the high bit to mark whether it is in use. */ 1170 #define MAX_FIDS 6 1171 #define MPI_MAX_FIDS 1 1172 u32 fids[MAX_FIDS]; 1173 ConfigRid config; 1174 char keyindex; // Used with auto wep 1175 char defindex; // Used with auto wep 1176 struct proc_dir_entry *proc_entry; 1177 spinlock_t aux_lock; 1178 #define FLAG_RADIO_OFF 0 /* User disabling of MAC */ 1179 #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */ 1180 #define FLAG_RADIO_MASK 0x03 1181 #define FLAG_ENABLED 2 1182 #define FLAG_ADHOC 3 /* Needed by MIC */ 1183 #define FLAG_MIC_CAPABLE 4 1184 #define FLAG_UPDATE_MULTI 5 1185 #define FLAG_UPDATE_UNI 6 1186 #define FLAG_802_11 7 1187 #define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ 1188 #define FLAG_PENDING_XMIT 9 1189 #define FLAG_PENDING_XMIT11 10 1190 #define FLAG_MPI 11 1191 #define FLAG_REGISTERED 12 1192 #define FLAG_COMMIT 13 1193 #define FLAG_RESET 14 1194 #define FLAG_FLASHING 15 1195 #define FLAG_WPA_CAPABLE 16 1196 unsigned long flags; 1197 #define JOB_DIE 0 1198 #define JOB_XMIT 1 1199 #define JOB_XMIT11 2 1200 #define JOB_STATS 3 1201 #define JOB_PROMISC 4 1202 #define JOB_MIC 5 1203 #define JOB_EVENT 6 1204 #define JOB_AUTOWEP 7 1205 #define JOB_SCAN_RESULTS 9 1206 unsigned long jobs; 1207 int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen, 1208 int whichbap); 1209 unsigned short *flash; 1210 tdsRssiEntry *rssi; 1211 struct task_struct *list_bss_task; 1212 struct task_struct *airo_thread_task; 1213 struct semaphore sem; 1214 wait_queue_head_t thr_wait; 1215 unsigned long expires; 1216 struct { 1217 struct sk_buff *skb; 1218 int fid; 1219 } xmit, xmit11; 1220 struct net_device *wifidev; 1221 struct iw_statistics wstats; // wireless stats 1222 unsigned long scan_timeout; /* Time scan should be read */ 1223 struct iw_spy_data spy_data; 1224 struct iw_public_data wireless_data; 1225 /* MIC stuff */ 1226 struct crypto_sync_skcipher *tfm; 1227 mic_module mod[2]; 1228 mic_statistics micstats; 1229 HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors 1230 HostTxDesc txfids[MPI_MAX_FIDS]; 1231 HostRidDesc config_desc; 1232 unsigned long ridbus; // phys addr of config_desc 1233 struct sk_buff_head txq;// tx queue used by mpi350 code 1234 struct pci_dev *pci; 1235 unsigned char __iomem *pcimem; 1236 unsigned char __iomem *pciaux; 1237 unsigned char *shared; 1238 dma_addr_t shared_dma; 1239 pm_message_t power; 1240 SsidRid *SSID; 1241 APListRid APList; 1242 #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE 1243 char proc_name[IFNAMSIZ]; 1244 1245 int wep_capable; 1246 int max_wep_idx; 1247 int last_auth; 1248 1249 /* WPA-related stuff */ 1250 unsigned int bssListFirst; 1251 unsigned int bssListNext; 1252 unsigned int bssListRidLen; 1253 1254 struct list_head network_list; 1255 struct list_head network_free_list; 1256 BSSListElement *networks; 1257 }; 1258 1259 static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen, 1260 int whichbap) 1261 { 1262 return ai->bap_read(ai, pu16Dst, bytelen, whichbap); 1263 } 1264 1265 static int setup_proc_entry(struct net_device *dev, 1266 struct airo_info *apriv); 1267 static int takedown_proc_entry(struct net_device *dev, 1268 struct airo_info *apriv); 1269 1270 static int cmdreset(struct airo_info *ai); 1271 static int setflashmode(struct airo_info *ai); 1272 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime); 1273 static int flashputbuf(struct airo_info *ai); 1274 static int flashrestart(struct airo_info *ai, struct net_device *dev); 1275 1276 #define airo_print(type, name, fmt, args...) \ 1277 printk(type DRV_NAME "(%s): " fmt "\n", name, ##args) 1278 1279 #define airo_print_info(name, fmt, args...) \ 1280 airo_print(KERN_INFO, name, fmt, ##args) 1281 1282 #define airo_print_dbg(name, fmt, args...) \ 1283 airo_print(KERN_DEBUG, name, fmt, ##args) 1284 1285 #define airo_print_warn(name, fmt, args...) \ 1286 airo_print(KERN_WARNING, name, fmt, ##args) 1287 1288 #define airo_print_err(name, fmt, args...) \ 1289 airo_print(KERN_ERR, name, fmt, ##args) 1290 1291 #define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash) 1292 1293 /*********************************************************************** 1294 * MIC ROUTINES * 1295 *********************************************************************** 1296 */ 1297 1298 static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq); 1299 static void MoveWindow(miccntx *context, u32 micSeq); 1300 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, 1301 struct crypto_sync_skcipher *tfm); 1302 static void emmh32_init(emmh32_context *context); 1303 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len); 1304 static void emmh32_final(emmh32_context *context, u8 digest[4]); 1305 static int flashpchar(struct airo_info *ai, int byte, int dwelltime); 1306 1307 static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len, 1308 struct crypto_sync_skcipher *tfm) 1309 { 1310 /* If the current MIC context is valid and its key is the same as 1311 * the MIC register, there's nothing to do. 1312 */ 1313 if (cur->valid && (memcmp(cur->key, key, key_len) == 0)) 1314 return; 1315 1316 /* Age current mic Context */ 1317 memcpy(old, cur, sizeof(*cur)); 1318 1319 /* Initialize new context */ 1320 memcpy(cur->key, key, key_len); 1321 cur->window = 33; /* Window always points to the middle */ 1322 cur->rx = 0; /* Rx Sequence numbers */ 1323 cur->tx = 0; /* Tx sequence numbers */ 1324 cur->valid = 1; /* Key is now valid */ 1325 1326 /* Give key to mic seed */ 1327 emmh32_setseed(&cur->seed, key, key_len, tfm); 1328 } 1329 1330 /* micinit - Initialize mic seed */ 1331 1332 static void micinit(struct airo_info *ai) 1333 { 1334 MICRid mic_rid; 1335 1336 clear_bit(JOB_MIC, &ai->jobs); 1337 PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0); 1338 up(&ai->sem); 1339 1340 ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0; 1341 if (!ai->micstats.enabled) { 1342 /* So next time we have a valid key and mic is enabled, we will 1343 * update the sequence number if the key is the same as before. 1344 */ 1345 ai->mod[0].uCtx.valid = 0; 1346 ai->mod[0].mCtx.valid = 0; 1347 return; 1348 } 1349 1350 if (mic_rid.multicastValid) { 1351 age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx, 1352 mic_rid.multicast, sizeof(mic_rid.multicast), 1353 ai->tfm); 1354 } 1355 1356 if (mic_rid.unicastValid) { 1357 age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx, 1358 mic_rid.unicast, sizeof(mic_rid.unicast), 1359 ai->tfm); 1360 } 1361 } 1362 1363 /* micsetup - Get ready for business */ 1364 1365 static int micsetup(struct airo_info *ai) 1366 { 1367 int i; 1368 1369 if (ai->tfm == NULL) 1370 ai->tfm = crypto_alloc_sync_skcipher("ctr(aes)", 0, 0); 1371 1372 if (IS_ERR(ai->tfm)) { 1373 airo_print_err(ai->dev->name, "failed to load transform for AES"); 1374 ai->tfm = NULL; 1375 return ERROR; 1376 } 1377 1378 for (i = 0; i < NUM_MODULES; i++) { 1379 memset(&ai->mod[i].mCtx, 0, sizeof(miccntx)); 1380 memset(&ai->mod[i].uCtx, 0, sizeof(miccntx)); 1381 } 1382 return SUCCESS; 1383 } 1384 1385 static const u8 micsnap[] = {0xAA, 0xAA, 0x03, 0x00, 0x40, 0x96, 0x00, 0x02}; 1386 1387 /*=========================================================================== 1388 * Description: Mic a packet 1389 * 1390 * Inputs: etherHead * pointer to an 802.3 frame 1391 * 1392 * Returns: BOOLEAN if successful, otherwise false. 1393 * PacketTxLen will be updated with the mic'd packets size. 1394 * 1395 * Caveats: It is assumed that the frame buffer will already 1396 * be big enough to hold the largets mic message possible. 1397 * (No memory allocation is done here). 1398 * 1399 * Author: sbraneky (10/15/01) 1400 * Merciless hacks by rwilcher (1/14/02) 1401 */ 1402 1403 static int encapsulate(struct airo_info *ai, etherHead *frame, MICBuffer *mic, int payLen) 1404 { 1405 miccntx *context; 1406 1407 // Determine correct context 1408 // If not adhoc, always use unicast key 1409 1410 if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1)) 1411 context = &ai->mod[0].mCtx; 1412 else 1413 context = &ai->mod[0].uCtx; 1414 1415 if (!context->valid) 1416 return ERROR; 1417 1418 mic->typelen = htons(payLen + 16); //Length of Mic'd packet 1419 1420 memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap 1421 1422 // Add Tx sequence 1423 mic->seq = htonl(context->tx); 1424 context->tx += 2; 1425 1426 emmh32_init(&context->seed); // Mic the packet 1427 emmh32_update(&context->seed, frame->da, ETH_ALEN * 2); // DA, SA 1428 emmh32_update(&context->seed, (u8*)&mic->typelen, 10); // Type/Length and Snap 1429 emmh32_update(&context->seed, (u8*)&mic->seq, sizeof(mic->seq)); //SEQ 1430 emmh32_update(&context->seed, (u8*)(frame + 1), payLen); //payload 1431 emmh32_final(&context->seed, (u8*)&mic->mic); 1432 1433 /* New Type/length ?????????? */ 1434 mic->typelen = 0; //Let NIC know it could be an oversized packet 1435 return SUCCESS; 1436 } 1437 1438 typedef enum { 1439 NONE, 1440 NOMIC, 1441 NOMICPLUMMED, 1442 SEQUENCE, 1443 INCORRECTMIC, 1444 } mic_error; 1445 1446 /*=========================================================================== 1447 * Description: Decapsulates a MIC'd packet and returns the 802.3 packet 1448 * (removes the MIC stuff) if packet is a valid packet. 1449 * 1450 * Inputs: etherHead pointer to the 802.3 packet 1451 * 1452 * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE 1453 * 1454 * Author: sbraneky (10/15/01) 1455 * Merciless hacks by rwilcher (1/14/02) 1456 *--------------------------------------------------------------------------- 1457 */ 1458 1459 static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen) 1460 { 1461 int i; 1462 u32 micSEQ; 1463 miccntx *context; 1464 u8 digest[4]; 1465 mic_error micError = NONE; 1466 1467 // Check if the packet is a Mic'd packet 1468 1469 if (!ai->micstats.enabled) { 1470 //No Mic set or Mic OFF but we received a MIC'd packet. 1471 if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) { 1472 ai->micstats.rxMICPlummed++; 1473 return ERROR; 1474 } 1475 return SUCCESS; 1476 } 1477 1478 if (ntohs(mic->typelen) == 0x888E) 1479 return SUCCESS; 1480 1481 if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) { 1482 // Mic enabled but packet isn't Mic'd 1483 ai->micstats.rxMICPlummed++; 1484 return ERROR; 1485 } 1486 1487 micSEQ = ntohl(mic->seq); //store SEQ as CPU order 1488 1489 //At this point we a have a mic'd packet and mic is enabled 1490 //Now do the mic error checking. 1491 1492 //Receive seq must be odd 1493 if ((micSEQ & 1) == 0) { 1494 ai->micstats.rxWrongSequence++; 1495 return ERROR; 1496 } 1497 1498 for (i = 0; i < NUM_MODULES; i++) { 1499 int mcast = eth->da[0] & 1; 1500 //Determine proper context 1501 context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx; 1502 1503 //Make sure context is valid 1504 if (!context->valid) { 1505 if (i == 0) 1506 micError = NOMICPLUMMED; 1507 continue; 1508 } 1509 //DeMic it 1510 1511 if (!mic->typelen) 1512 mic->typelen = htons(payLen + sizeof(MICBuffer) - 2); 1513 1514 emmh32_init(&context->seed); 1515 emmh32_update(&context->seed, eth->da, ETH_ALEN*2); 1516 emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap)); 1517 emmh32_update(&context->seed, (u8 *)&mic->seq, sizeof(mic->seq)); 1518 emmh32_update(&context->seed, (u8 *)(eth + 1), payLen); 1519 //Calculate MIC 1520 emmh32_final(&context->seed, digest); 1521 1522 if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match 1523 //Invalid Mic 1524 if (i == 0) 1525 micError = INCORRECTMIC; 1526 continue; 1527 } 1528 1529 //Check Sequence number if mics pass 1530 if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) { 1531 ai->micstats.rxSuccess++; 1532 return SUCCESS; 1533 } 1534 if (i == 0) 1535 micError = SEQUENCE; 1536 } 1537 1538 // Update statistics 1539 switch (micError) { 1540 case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break; 1541 case SEQUENCE: ai->micstats.rxWrongSequence++; break; 1542 case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break; 1543 case NONE: break; 1544 case NOMIC: break; 1545 } 1546 return ERROR; 1547 } 1548 1549 /*=========================================================================== 1550 * Description: Checks the Rx Seq number to make sure it is valid 1551 * and hasn't already been received 1552 * 1553 * Inputs: miccntx - mic context to check seq against 1554 * micSeq - the Mic seq number 1555 * 1556 * Returns: TRUE if valid otherwise FALSE. 1557 * 1558 * Author: sbraneky (10/15/01) 1559 * Merciless hacks by rwilcher (1/14/02) 1560 *--------------------------------------------------------------------------- 1561 */ 1562 1563 static int RxSeqValid(struct airo_info *ai, miccntx *context, int mcast, u32 micSeq) 1564 { 1565 u32 seq, index; 1566 1567 //Allow for the ap being rebooted - if it is then use the next 1568 //sequence number of the current sequence number - might go backwards 1569 1570 if (mcast) { 1571 if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) { 1572 clear_bit (FLAG_UPDATE_MULTI, &ai->flags); 1573 context->window = (micSeq > 33) ? micSeq : 33; 1574 context->rx = 0; // Reset rx 1575 } 1576 } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) { 1577 clear_bit (FLAG_UPDATE_UNI, &ai->flags); 1578 context->window = (micSeq > 33) ? micSeq : 33; // Move window 1579 context->rx = 0; // Reset rx 1580 } 1581 1582 //Make sequence number relative to START of window 1583 seq = micSeq - (context->window - 33); 1584 1585 //Too old of a SEQ number to check. 1586 if ((s32)seq < 0) 1587 return ERROR; 1588 1589 if (seq > 64) { 1590 //Window is infinite forward 1591 MoveWindow(context, micSeq); 1592 return SUCCESS; 1593 } 1594 1595 // We are in the window. Now check the context rx bit to see if it was already sent 1596 seq >>= 1; //divide by 2 because we only have odd numbers 1597 index = 1 << seq; //Get an index number 1598 1599 if (!(context->rx & index)) { 1600 //micSEQ falls inside the window. 1601 //Add seqence number to the list of received numbers. 1602 context->rx |= index; 1603 1604 MoveWindow(context, micSeq); 1605 1606 return SUCCESS; 1607 } 1608 return ERROR; 1609 } 1610 1611 static void MoveWindow(miccntx *context, u32 micSeq) 1612 { 1613 u32 shift; 1614 1615 //Move window if seq greater than the middle of the window 1616 if (micSeq > context->window) { 1617 shift = (micSeq - context->window) >> 1; 1618 1619 //Shift out old 1620 if (shift < 32) 1621 context->rx >>= shift; 1622 else 1623 context->rx = 0; 1624 1625 context->window = micSeq; //Move window 1626 } 1627 } 1628 1629 /*==============================================*/ 1630 /*========== EMMH ROUTINES ====================*/ 1631 /*==============================================*/ 1632 1633 /* mic accumulate */ 1634 #define MIC_ACCUM(val) \ 1635 context->accum += (u64)(val) * be32_to_cpu(context->coeff[coeff_position++]); 1636 1637 /* expand the key to fill the MMH coefficient array */ 1638 static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, 1639 struct crypto_sync_skcipher *tfm) 1640 { 1641 /* take the keying material, expand if necessary, truncate at 16-bytes */ 1642 /* run through AES counter mode to generate context->coeff[] */ 1643 1644 SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm); 1645 struct scatterlist sg; 1646 u8 iv[AES_BLOCK_SIZE] = {}; 1647 int ret; 1648 1649 crypto_sync_skcipher_setkey(tfm, pkey, 16); 1650 1651 memset(context->coeff, 0, sizeof(context->coeff)); 1652 sg_init_one(&sg, context->coeff, sizeof(context->coeff)); 1653 1654 skcipher_request_set_sync_tfm(req, tfm); 1655 skcipher_request_set_callback(req, 0, NULL, NULL); 1656 skcipher_request_set_crypt(req, &sg, &sg, sizeof(context->coeff), iv); 1657 1658 ret = crypto_skcipher_encrypt(req); 1659 WARN_ON_ONCE(ret); 1660 } 1661 1662 /* prepare for calculation of a new mic */ 1663 static void emmh32_init(emmh32_context *context) 1664 { 1665 /* prepare for new mic calculation */ 1666 context->accum = 0; 1667 context->position = 0; 1668 } 1669 1670 /* add some bytes to the mic calculation */ 1671 static void emmh32_update(emmh32_context *context, u8 *pOctets, int len) 1672 { 1673 int coeff_position, byte_position; 1674 1675 if (len == 0) return; 1676 1677 coeff_position = context->position >> 2; 1678 1679 /* deal with partial 32-bit word left over from last update */ 1680 byte_position = context->position & 3; 1681 if (byte_position) { 1682 /* have a partial word in part to deal with */ 1683 do { 1684 if (len == 0) return; 1685 context->part.d8[byte_position++] = *pOctets++; 1686 context->position++; 1687 len--; 1688 } while (byte_position < 4); 1689 MIC_ACCUM(ntohl(context->part.d32)); 1690 } 1691 1692 /* deal with full 32-bit words */ 1693 while (len >= 4) { 1694 MIC_ACCUM(ntohl(*(__be32 *)pOctets)); 1695 context->position += 4; 1696 pOctets += 4; 1697 len -= 4; 1698 } 1699 1700 /* deal with partial 32-bit word that will be left over from this update */ 1701 byte_position = 0; 1702 while (len > 0) { 1703 context->part.d8[byte_position++] = *pOctets++; 1704 context->position++; 1705 len--; 1706 } 1707 } 1708 1709 /* mask used to zero empty bytes for final partial word */ 1710 static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L }; 1711 1712 /* calculate the mic */ 1713 static void emmh32_final(emmh32_context *context, u8 digest[4]) 1714 { 1715 int coeff_position, byte_position; 1716 u32 val; 1717 1718 u64 sum, utmp; 1719 s64 stmp; 1720 1721 coeff_position = context->position >> 2; 1722 1723 /* deal with partial 32-bit word left over from last update */ 1724 byte_position = context->position & 3; 1725 if (byte_position) { 1726 /* have a partial word in part to deal with */ 1727 val = ntohl(context->part.d32); 1728 MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */ 1729 } 1730 1731 /* reduce the accumulated u64 to a 32-bit MIC */ 1732 sum = context->accum; 1733 stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15); 1734 utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15); 1735 sum = utmp & 0xffffffffLL; 1736 if (utmp > 0x10000000fLL) 1737 sum -= 15; 1738 1739 val = (u32)sum; 1740 digest[0] = (val>>24) & 0xFF; 1741 digest[1] = (val>>16) & 0xFF; 1742 digest[2] = (val>>8) & 0xFF; 1743 digest[3] = val & 0xFF; 1744 } 1745 1746 static int readBSSListRid(struct airo_info *ai, int first, 1747 BSSListRid *list) 1748 { 1749 Cmd cmd; 1750 Resp rsp; 1751 1752 if (first == 1) { 1753 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 1754 memset(&cmd, 0, sizeof(cmd)); 1755 cmd.cmd = CMD_LISTBSS; 1756 if (down_interruptible(&ai->sem)) 1757 return -ERESTARTSYS; 1758 ai->list_bss_task = current; 1759 issuecommand(ai, &cmd, &rsp, true); 1760 up(&ai->sem); 1761 /* Let the command take effect */ 1762 schedule_timeout_uninterruptible(3 * HZ); 1763 ai->list_bss_task = NULL; 1764 } 1765 return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext, 1766 list, ai->bssListRidLen, 1); 1767 } 1768 1769 static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock) 1770 { 1771 return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM, 1772 wkr, sizeof(*wkr), lock); 1773 } 1774 1775 static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock) 1776 { 1777 int rc; 1778 rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock); 1779 if (rc!=SUCCESS) 1780 airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc); 1781 if (perm) { 1782 rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock); 1783 if (rc!=SUCCESS) 1784 airo_print_err(ai->dev->name, "WEP_PERM set %x", rc); 1785 } 1786 return rc; 1787 } 1788 1789 static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) 1790 { 1791 return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1); 1792 } 1793 1794 static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) 1795 { 1796 return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock); 1797 } 1798 1799 static int readConfigRid(struct airo_info *ai, int lock) 1800 { 1801 int rc; 1802 ConfigRid cfg; 1803 1804 if (ai->config.len) 1805 return SUCCESS; 1806 1807 rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock); 1808 if (rc != SUCCESS) 1809 return rc; 1810 1811 ai->config = cfg; 1812 return SUCCESS; 1813 } 1814 1815 static inline void checkThrottle(struct airo_info *ai) 1816 { 1817 int i; 1818 /* Old hardware had a limit on encryption speed */ 1819 if (ai->config.authType != AUTH_OPEN && maxencrypt) { 1820 for (i = 0; i<8; i++) { 1821 if (ai->config.rates[i] > maxencrypt) { 1822 ai->config.rates[i] = 0; 1823 } 1824 } 1825 } 1826 } 1827 1828 static int writeConfigRid(struct airo_info *ai, int lock) 1829 { 1830 ConfigRid cfgr; 1831 1832 if (!test_bit (FLAG_COMMIT, &ai->flags)) 1833 return SUCCESS; 1834 1835 clear_bit (FLAG_COMMIT, &ai->flags); 1836 clear_bit (FLAG_RESET, &ai->flags); 1837 checkThrottle(ai); 1838 cfgr = ai->config; 1839 1840 if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 1841 set_bit(FLAG_ADHOC, &ai->flags); 1842 else 1843 clear_bit(FLAG_ADHOC, &ai->flags); 1844 1845 return PC4500_writerid(ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock); 1846 } 1847 1848 static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock) 1849 { 1850 return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock); 1851 } 1852 1853 static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock) 1854 { 1855 return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock); 1856 } 1857 1858 static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock) 1859 { 1860 return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock); 1861 } 1862 1863 static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) 1864 { 1865 return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock); 1866 } 1867 1868 static void try_auto_wep(struct airo_info *ai) 1869 { 1870 if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) { 1871 ai->expires = RUN_AT(3*HZ); 1872 wake_up_interruptible(&ai->thr_wait); 1873 } 1874 } 1875 1876 static int airo_open(struct net_device *dev) 1877 { 1878 struct airo_info *ai = dev->ml_priv; 1879 int rc = 0; 1880 1881 if (test_bit(FLAG_FLASHING, &ai->flags)) 1882 return -EIO; 1883 1884 /* Make sure the card is configured. 1885 * Wireless Extensions may postpone config changes until the card 1886 * is open (to pipeline changes and speed-up card setup). If 1887 * those changes are not yet committed, do it now - Jean II */ 1888 if (test_bit(FLAG_COMMIT, &ai->flags)) { 1889 disable_MAC(ai, 1); 1890 writeConfigRid(ai, 1); 1891 } 1892 1893 if (ai->wifidev != dev) { 1894 clear_bit(JOB_DIE, &ai->jobs); 1895 ai->airo_thread_task = kthread_run(airo_thread, dev, "%s", 1896 dev->name); 1897 if (IS_ERR(ai->airo_thread_task)) 1898 return (int)PTR_ERR(ai->airo_thread_task); 1899 1900 rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED, 1901 dev->name, dev); 1902 if (rc) { 1903 airo_print_err(dev->name, 1904 "register interrupt %d failed, rc %d", 1905 dev->irq, rc); 1906 set_bit(JOB_DIE, &ai->jobs); 1907 kthread_stop(ai->airo_thread_task); 1908 return rc; 1909 } 1910 1911 /* Power on the MAC controller (which may have been disabled) */ 1912 clear_bit(FLAG_RADIO_DOWN, &ai->flags); 1913 enable_interrupts(ai); 1914 1915 try_auto_wep(ai); 1916 } 1917 enable_MAC(ai, 1); 1918 1919 netif_start_queue(dev); 1920 return 0; 1921 } 1922 1923 static netdev_tx_t mpi_start_xmit(struct sk_buff *skb, 1924 struct net_device *dev) 1925 { 1926 int npacks, pending; 1927 unsigned long flags; 1928 struct airo_info *ai = dev->ml_priv; 1929 1930 if (!skb) { 1931 airo_print_err(dev->name, "%s: skb == NULL!",__func__); 1932 return NETDEV_TX_OK; 1933 } 1934 if (skb_padto(skb, ETH_ZLEN)) { 1935 dev->stats.tx_dropped++; 1936 return NETDEV_TX_OK; 1937 } 1938 npacks = skb_queue_len (&ai->txq); 1939 1940 if (npacks >= MAXTXQ - 1) { 1941 netif_stop_queue (dev); 1942 if (npacks > MAXTXQ) { 1943 dev->stats.tx_fifo_errors++; 1944 return NETDEV_TX_BUSY; 1945 } 1946 skb_queue_tail (&ai->txq, skb); 1947 return NETDEV_TX_OK; 1948 } 1949 1950 spin_lock_irqsave(&ai->aux_lock, flags); 1951 skb_queue_tail (&ai->txq, skb); 1952 pending = test_bit(FLAG_PENDING_XMIT, &ai->flags); 1953 spin_unlock_irqrestore(&ai->aux_lock, flags); 1954 netif_wake_queue (dev); 1955 1956 if (pending == 0) { 1957 set_bit(FLAG_PENDING_XMIT, &ai->flags); 1958 mpi_send_packet (dev); 1959 } 1960 return NETDEV_TX_OK; 1961 } 1962 1963 /* 1964 * @mpi_send_packet 1965 * 1966 * Attempt to transmit a packet. Can be called from interrupt 1967 * or transmit . return number of packets we tried to send 1968 */ 1969 1970 static int mpi_send_packet (struct net_device *dev) 1971 { 1972 struct sk_buff *skb; 1973 unsigned char *buffer; 1974 s16 len; 1975 __le16 *payloadLen; 1976 struct airo_info *ai = dev->ml_priv; 1977 u8 *sendbuf; 1978 1979 /* get a packet to send */ 1980 1981 if ((skb = skb_dequeue(&ai->txq)) == NULL) { 1982 airo_print_err(dev->name, 1983 "%s: Dequeue'd zero in send_packet()", 1984 __func__); 1985 return 0; 1986 } 1987 1988 /* check min length*/ 1989 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 1990 buffer = skb->data; 1991 1992 ai->txfids[0].tx_desc.offset = 0; 1993 ai->txfids[0].tx_desc.valid = 1; 1994 ai->txfids[0].tx_desc.eoc = 1; 1995 ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr); 1996 1997 /* 1998 * Magic, the cards firmware needs a length count (2 bytes) in the host buffer 1999 * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen 2000 * is immediately after it. ------------------------------------------------ 2001 * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA| 2002 * ------------------------------------------------ 2003 */ 2004 2005 memcpy(ai->txfids[0].virtual_host_addr, 2006 (char *)&wifictlhdr8023, sizeof(wifictlhdr8023)); 2007 2008 payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr + 2009 sizeof(wifictlhdr8023)); 2010 sendbuf = ai->txfids[0].virtual_host_addr + 2011 sizeof(wifictlhdr8023) + 2 ; 2012 2013 /* 2014 * Firmware automatically puts 802 header on so 2015 * we don't need to account for it in the length 2016 */ 2017 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 2018 (ntohs(((__be16 *)buffer)[6]) != 0x888E)) { 2019 MICBuffer pMic; 2020 2021 if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS) 2022 return ERROR; 2023 2024 *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic)); 2025 ai->txfids[0].tx_desc.len += sizeof(pMic); 2026 /* copy data into airo dma buffer */ 2027 memcpy (sendbuf, buffer, sizeof(etherHead)); 2028 buffer += sizeof(etherHead); 2029 sendbuf += sizeof(etherHead); 2030 memcpy (sendbuf, &pMic, sizeof(pMic)); 2031 sendbuf += sizeof(pMic); 2032 memcpy (sendbuf, buffer, len - sizeof(etherHead)); 2033 } else { 2034 *payloadLen = cpu_to_le16(len - sizeof(etherHead)); 2035 2036 netif_trans_update(dev); 2037 2038 /* copy data into airo dma buffer */ 2039 memcpy(sendbuf, buffer, len); 2040 } 2041 2042 memcpy_toio(ai->txfids[0].card_ram_off, 2043 &ai->txfids[0].tx_desc, sizeof(TxFid)); 2044 2045 OUT4500(ai, EVACK, 8); 2046 2047 dev_kfree_skb_any(skb); 2048 return 1; 2049 } 2050 2051 static void get_tx_error(struct airo_info *ai, s32 fid) 2052 { 2053 __le16 status; 2054 2055 if (fid < 0) 2056 status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status; 2057 else { 2058 if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS) 2059 return; 2060 bap_read(ai, &status, 2, BAP0); 2061 } 2062 if (le16_to_cpu(status) & 2) /* Too many retries */ 2063 ai->dev->stats.tx_aborted_errors++; 2064 if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */ 2065 ai->dev->stats.tx_heartbeat_errors++; 2066 if (le16_to_cpu(status) & 8) /* Aid fail */ 2067 { } 2068 if (le16_to_cpu(status) & 0x10) /* MAC disabled */ 2069 ai->dev->stats.tx_carrier_errors++; 2070 if (le16_to_cpu(status) & 0x20) /* Association lost */ 2071 { } 2072 /* We produce a TXDROP event only for retry or lifetime 2073 * exceeded, because that's the only status that really mean 2074 * that this particular node went away. 2075 * Other errors means that *we* screwed up. - Jean II */ 2076 if ((le16_to_cpu(status) & 2) || 2077 (le16_to_cpu(status) & 4)) { 2078 union iwreq_data wrqu; 2079 char junk[0x18]; 2080 2081 /* Faster to skip over useless data than to do 2082 * another bap_setup(). We are at offset 0x6 and 2083 * need to go to 0x18 and read 6 bytes - Jean II */ 2084 bap_read(ai, (__le16 *) junk, 0x18, BAP0); 2085 2086 /* Copy 802.11 dest address. 2087 * We use the 802.11 header because the frame may 2088 * not be 802.3 or may be mangled... 2089 * In Ad-Hoc mode, it will be the node address. 2090 * In managed mode, it will be most likely the AP addr 2091 * User space will figure out how to convert it to 2092 * whatever it needs (IP address or else). 2093 * - Jean II */ 2094 memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN); 2095 wrqu.addr.sa_family = ARPHRD_ETHER; 2096 2097 /* Send event to user space */ 2098 wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL); 2099 } 2100 } 2101 2102 static void airo_end_xmit(struct net_device *dev, bool may_sleep) 2103 { 2104 u16 status; 2105 int i; 2106 struct airo_info *priv = dev->ml_priv; 2107 struct sk_buff *skb = priv->xmit.skb; 2108 int fid = priv->xmit.fid; 2109 u32 *fids = priv->fids; 2110 2111 clear_bit(JOB_XMIT, &priv->jobs); 2112 clear_bit(FLAG_PENDING_XMIT, &priv->flags); 2113 status = transmit_802_3_packet(priv, fids[fid], skb->data, may_sleep); 2114 up(&priv->sem); 2115 2116 i = 0; 2117 if (status == SUCCESS) { 2118 netif_trans_update(dev); 2119 for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++); 2120 } else { 2121 priv->fids[fid] &= 0xffff; 2122 dev->stats.tx_window_errors++; 2123 } 2124 if (i < MAX_FIDS / 2) 2125 netif_wake_queue(dev); 2126 dev_kfree_skb(skb); 2127 } 2128 2129 static netdev_tx_t airo_start_xmit(struct sk_buff *skb, 2130 struct net_device *dev) 2131 { 2132 s16 len; 2133 int i, j; 2134 struct airo_info *priv = dev->ml_priv; 2135 u32 *fids = priv->fids; 2136 2137 if (skb == NULL) { 2138 airo_print_err(dev->name, "%s: skb == NULL!", __func__); 2139 return NETDEV_TX_OK; 2140 } 2141 if (skb_padto(skb, ETH_ZLEN)) { 2142 dev->stats.tx_dropped++; 2143 return NETDEV_TX_OK; 2144 } 2145 2146 /* Find a vacant FID */ 2147 for (i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++); 2148 for (j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++); 2149 2150 if (j >= MAX_FIDS / 2) { 2151 netif_stop_queue(dev); 2152 2153 if (i == MAX_FIDS / 2) { 2154 dev->stats.tx_fifo_errors++; 2155 return NETDEV_TX_BUSY; 2156 } 2157 } 2158 /* check min length*/ 2159 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 2160 /* Mark fid as used & save length for later */ 2161 fids[i] |= (len << 16); 2162 priv->xmit.skb = skb; 2163 priv->xmit.fid = i; 2164 if (down_trylock(&priv->sem) != 0) { 2165 set_bit(FLAG_PENDING_XMIT, &priv->flags); 2166 netif_stop_queue(dev); 2167 set_bit(JOB_XMIT, &priv->jobs); 2168 wake_up_interruptible(&priv->thr_wait); 2169 } else 2170 airo_end_xmit(dev, false); 2171 return NETDEV_TX_OK; 2172 } 2173 2174 static void airo_end_xmit11(struct net_device *dev, bool may_sleep) 2175 { 2176 u16 status; 2177 int i; 2178 struct airo_info *priv = dev->ml_priv; 2179 struct sk_buff *skb = priv->xmit11.skb; 2180 int fid = priv->xmit11.fid; 2181 u32 *fids = priv->fids; 2182 2183 clear_bit(JOB_XMIT11, &priv->jobs); 2184 clear_bit(FLAG_PENDING_XMIT11, &priv->flags); 2185 status = transmit_802_11_packet(priv, fids[fid], skb->data, may_sleep); 2186 up(&priv->sem); 2187 2188 i = MAX_FIDS / 2; 2189 if (status == SUCCESS) { 2190 netif_trans_update(dev); 2191 for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++); 2192 } else { 2193 priv->fids[fid] &= 0xffff; 2194 dev->stats.tx_window_errors++; 2195 } 2196 if (i < MAX_FIDS) 2197 netif_wake_queue(dev); 2198 dev_kfree_skb(skb); 2199 } 2200 2201 static netdev_tx_t airo_start_xmit11(struct sk_buff *skb, 2202 struct net_device *dev) 2203 { 2204 s16 len; 2205 int i, j; 2206 struct airo_info *priv = dev->ml_priv; 2207 u32 *fids = priv->fids; 2208 2209 if (test_bit(FLAG_MPI, &priv->flags)) { 2210 /* Not implemented yet for MPI350 */ 2211 netif_stop_queue(dev); 2212 dev_kfree_skb_any(skb); 2213 return NETDEV_TX_OK; 2214 } 2215 2216 if (skb == NULL) { 2217 airo_print_err(dev->name, "%s: skb == NULL!", __func__); 2218 return NETDEV_TX_OK; 2219 } 2220 if (skb_padto(skb, ETH_ZLEN)) { 2221 dev->stats.tx_dropped++; 2222 return NETDEV_TX_OK; 2223 } 2224 2225 /* Find a vacant FID */ 2226 for (i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++); 2227 for (j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++); 2228 2229 if (j >= MAX_FIDS) { 2230 netif_stop_queue(dev); 2231 2232 if (i == MAX_FIDS) { 2233 dev->stats.tx_fifo_errors++; 2234 return NETDEV_TX_BUSY; 2235 } 2236 } 2237 /* check min length*/ 2238 len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; 2239 /* Mark fid as used & save length for later */ 2240 fids[i] |= (len << 16); 2241 priv->xmit11.skb = skb; 2242 priv->xmit11.fid = i; 2243 if (down_trylock(&priv->sem) != 0) { 2244 set_bit(FLAG_PENDING_XMIT11, &priv->flags); 2245 netif_stop_queue(dev); 2246 set_bit(JOB_XMIT11, &priv->jobs); 2247 wake_up_interruptible(&priv->thr_wait); 2248 } else 2249 airo_end_xmit11(dev, false); 2250 return NETDEV_TX_OK; 2251 } 2252 2253 static void airo_read_stats(struct net_device *dev) 2254 { 2255 struct airo_info *ai = dev->ml_priv; 2256 StatsRid stats_rid; 2257 __le32 *vals = stats_rid.vals; 2258 2259 clear_bit(JOB_STATS, &ai->jobs); 2260 if (ai->power.event) { 2261 up(&ai->sem); 2262 return; 2263 } 2264 readStatsRid(ai, &stats_rid, RID_STATS, 0); 2265 up(&ai->sem); 2266 2267 dev->stats.rx_packets = le32_to_cpu(vals[43]) + le32_to_cpu(vals[44]) + 2268 le32_to_cpu(vals[45]); 2269 dev->stats.tx_packets = le32_to_cpu(vals[39]) + le32_to_cpu(vals[40]) + 2270 le32_to_cpu(vals[41]); 2271 dev->stats.rx_bytes = le32_to_cpu(vals[92]); 2272 dev->stats.tx_bytes = le32_to_cpu(vals[91]); 2273 dev->stats.rx_errors = le32_to_cpu(vals[0]) + le32_to_cpu(vals[2]) + 2274 le32_to_cpu(vals[3]) + le32_to_cpu(vals[4]); 2275 dev->stats.tx_errors = le32_to_cpu(vals[42]) + 2276 dev->stats.tx_fifo_errors; 2277 dev->stats.multicast = le32_to_cpu(vals[43]); 2278 dev->stats.collisions = le32_to_cpu(vals[89]); 2279 2280 /* detailed rx_errors: */ 2281 dev->stats.rx_length_errors = le32_to_cpu(vals[3]); 2282 dev->stats.rx_crc_errors = le32_to_cpu(vals[4]); 2283 dev->stats.rx_frame_errors = le32_to_cpu(vals[2]); 2284 dev->stats.rx_fifo_errors = le32_to_cpu(vals[0]); 2285 } 2286 2287 static struct net_device_stats *airo_get_stats(struct net_device *dev) 2288 { 2289 struct airo_info *local = dev->ml_priv; 2290 2291 if (!test_bit(JOB_STATS, &local->jobs)) { 2292 set_bit(JOB_STATS, &local->jobs); 2293 wake_up_interruptible(&local->thr_wait); 2294 } 2295 2296 return &dev->stats; 2297 } 2298 2299 static void airo_set_promisc(struct airo_info *ai, bool may_sleep) 2300 { 2301 Cmd cmd; 2302 Resp rsp; 2303 2304 memset(&cmd, 0, sizeof(cmd)); 2305 cmd.cmd = CMD_SETMODE; 2306 clear_bit(JOB_PROMISC, &ai->jobs); 2307 cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC; 2308 issuecommand(ai, &cmd, &rsp, may_sleep); 2309 up(&ai->sem); 2310 } 2311 2312 static void airo_set_multicast_list(struct net_device *dev) 2313 { 2314 struct airo_info *ai = dev->ml_priv; 2315 2316 if ((dev->flags ^ ai->flags) & IFF_PROMISC) { 2317 change_bit(FLAG_PROMISC, &ai->flags); 2318 if (down_trylock(&ai->sem) != 0) { 2319 set_bit(JOB_PROMISC, &ai->jobs); 2320 wake_up_interruptible(&ai->thr_wait); 2321 } else 2322 airo_set_promisc(ai, false); 2323 } 2324 2325 if ((dev->flags&IFF_ALLMULTI) || !netdev_mc_empty(dev)) { 2326 /* Turn on multicast. (Should be already setup...) */ 2327 } 2328 } 2329 2330 static int airo_set_mac_address(struct net_device *dev, void *p) 2331 { 2332 struct airo_info *ai = dev->ml_priv; 2333 struct sockaddr *addr = p; 2334 2335 readConfigRid(ai, 1); 2336 memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len); 2337 set_bit (FLAG_COMMIT, &ai->flags); 2338 disable_MAC(ai, 1); 2339 writeConfigRid (ai, 1); 2340 enable_MAC(ai, 1); 2341 memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len); 2342 if (ai->wifidev) 2343 memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len); 2344 return 0; 2345 } 2346 2347 static LIST_HEAD(airo_devices); 2348 2349 static void add_airo_dev(struct airo_info *ai) 2350 { 2351 /* Upper layers already keep track of PCI devices, 2352 * so we only need to remember our non-PCI cards. */ 2353 if (!ai->pci) 2354 list_add_tail(&ai->dev_list, &airo_devices); 2355 } 2356 2357 static void del_airo_dev(struct airo_info *ai) 2358 { 2359 if (!ai->pci) 2360 list_del(&ai->dev_list); 2361 } 2362 2363 static int airo_close(struct net_device *dev) 2364 { 2365 struct airo_info *ai = dev->ml_priv; 2366 2367 netif_stop_queue(dev); 2368 2369 if (ai->wifidev != dev) { 2370 #ifdef POWER_ON_DOWN 2371 /* Shut power to the card. The idea is that the user can save 2372 * power when he doesn't need the card with "ifconfig down". 2373 * That's the method that is most friendly towards the network 2374 * stack (i.e. the network stack won't try to broadcast 2375 * anything on the interface and routes are gone. Jean II */ 2376 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2377 disable_MAC(ai, 1); 2378 #endif 2379 disable_interrupts(ai); 2380 2381 free_irq(dev->irq, dev); 2382 2383 set_bit(JOB_DIE, &ai->jobs); 2384 kthread_stop(ai->airo_thread_task); 2385 } 2386 return 0; 2387 } 2388 2389 void stop_airo_card(struct net_device *dev, int freeres) 2390 { 2391 struct airo_info *ai = dev->ml_priv; 2392 2393 set_bit(FLAG_RADIO_DOWN, &ai->flags); 2394 disable_MAC(ai, 1); 2395 disable_interrupts(ai); 2396 takedown_proc_entry(dev, ai); 2397 if (test_bit(FLAG_REGISTERED, &ai->flags)) { 2398 unregister_netdev(dev); 2399 if (ai->wifidev) { 2400 unregister_netdev(ai->wifidev); 2401 free_netdev(ai->wifidev); 2402 ai->wifidev = NULL; 2403 } 2404 clear_bit(FLAG_REGISTERED, &ai->flags); 2405 } 2406 /* 2407 * Clean out tx queue 2408 */ 2409 if (test_bit(FLAG_MPI, &ai->flags) && !skb_queue_empty(&ai->txq)) { 2410 struct sk_buff *skb = NULL; 2411 for (;(skb = skb_dequeue(&ai->txq));) 2412 dev_kfree_skb(skb); 2413 } 2414 2415 airo_networks_free (ai); 2416 2417 kfree(ai->flash); 2418 kfree(ai->rssi); 2419 kfree(ai->SSID); 2420 if (freeres) { 2421 /* PCMCIA frees this stuff, so only for PCI and ISA */ 2422 release_region(dev->base_addr, 64); 2423 if (test_bit(FLAG_MPI, &ai->flags)) { 2424 if (ai->pci) 2425 mpi_unmap_card(ai->pci); 2426 if (ai->pcimem) 2427 iounmap(ai->pcimem); 2428 if (ai->pciaux) 2429 iounmap(ai->pciaux); 2430 dma_free_coherent(&ai->pci->dev, PCI_SHARED_LEN, 2431 ai->shared, ai->shared_dma); 2432 } 2433 } 2434 crypto_free_sync_skcipher(ai->tfm); 2435 del_airo_dev(ai); 2436 free_netdev(dev); 2437 } 2438 2439 EXPORT_SYMBOL(stop_airo_card); 2440 2441 static int wll_header_parse(const struct sk_buff *skb, unsigned char *haddr) 2442 { 2443 memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); 2444 return ETH_ALEN; 2445 } 2446 2447 static void mpi_unmap_card(struct pci_dev *pci) 2448 { 2449 unsigned long mem_start = pci_resource_start(pci, 1); 2450 unsigned long mem_len = pci_resource_len(pci, 1); 2451 unsigned long aux_start = pci_resource_start(pci, 2); 2452 unsigned long aux_len = AUXMEMSIZE; 2453 2454 release_mem_region(aux_start, aux_len); 2455 release_mem_region(mem_start, mem_len); 2456 } 2457 2458 /************************************************************* 2459 * This routine assumes that descriptors have been setup . 2460 * Run at insmod time or after reset when the descriptors 2461 * have been initialized . Returns 0 if all is well nz 2462 * otherwise . Does not allocate memory but sets up card 2463 * using previously allocated descriptors. 2464 */ 2465 static int mpi_init_descriptors (struct airo_info *ai) 2466 { 2467 Cmd cmd; 2468 Resp rsp; 2469 int i; 2470 int rc = SUCCESS; 2471 2472 /* Alloc card RX descriptors */ 2473 netif_stop_queue(ai->dev); 2474 2475 memset(&rsp, 0, sizeof(rsp)); 2476 memset(&cmd, 0, sizeof(cmd)); 2477 2478 cmd.cmd = CMD_ALLOCATEAUX; 2479 cmd.parm0 = FID_RX; 2480 cmd.parm1 = (ai->rxfids[0].card_ram_off - ai->pciaux); 2481 cmd.parm2 = MPI_MAX_FIDS; 2482 rc = issuecommand(ai, &cmd, &rsp, true); 2483 if (rc != SUCCESS) { 2484 airo_print_err(ai->dev->name, "Couldn't allocate RX FID"); 2485 return rc; 2486 } 2487 2488 for (i = 0; i<MPI_MAX_FIDS; i++) { 2489 memcpy_toio(ai->rxfids[i].card_ram_off, 2490 &ai->rxfids[i].rx_desc, sizeof(RxFid)); 2491 } 2492 2493 /* Alloc card TX descriptors */ 2494 2495 memset(&rsp, 0, sizeof(rsp)); 2496 memset(&cmd, 0, sizeof(cmd)); 2497 2498 cmd.cmd = CMD_ALLOCATEAUX; 2499 cmd.parm0 = FID_TX; 2500 cmd.parm1 = (ai->txfids[0].card_ram_off - ai->pciaux); 2501 cmd.parm2 = MPI_MAX_FIDS; 2502 2503 for (i = 0; i<MPI_MAX_FIDS; i++) { 2504 ai->txfids[i].tx_desc.valid = 1; 2505 memcpy_toio(ai->txfids[i].card_ram_off, 2506 &ai->txfids[i].tx_desc, sizeof(TxFid)); 2507 } 2508 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2509 2510 rc = issuecommand(ai, &cmd, &rsp, true); 2511 if (rc != SUCCESS) { 2512 airo_print_err(ai->dev->name, "Couldn't allocate TX FID"); 2513 return rc; 2514 } 2515 2516 /* Alloc card Rid descriptor */ 2517 memset(&rsp, 0, sizeof(rsp)); 2518 memset(&cmd, 0, sizeof(cmd)); 2519 2520 cmd.cmd = CMD_ALLOCATEAUX; 2521 cmd.parm0 = RID_RW; 2522 cmd.parm1 = (ai->config_desc.card_ram_off - ai->pciaux); 2523 cmd.parm2 = 1; /* Magic number... */ 2524 rc = issuecommand(ai, &cmd, &rsp, true); 2525 if (rc != SUCCESS) { 2526 airo_print_err(ai->dev->name, "Couldn't allocate RID"); 2527 return rc; 2528 } 2529 2530 memcpy_toio(ai->config_desc.card_ram_off, 2531 &ai->config_desc.rid_desc, sizeof(Rid)); 2532 2533 return rc; 2534 } 2535 2536 /* 2537 * We are setting up three things here: 2538 * 1) Map AUX memory for descriptors: Rid, TxFid, or RxFid. 2539 * 2) Map PCI memory for issuing commands. 2540 * 3) Allocate memory (shared) to send and receive ethernet frames. 2541 */ 2542 static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci) 2543 { 2544 unsigned long mem_start, mem_len, aux_start, aux_len; 2545 int rc = -1; 2546 int i; 2547 dma_addr_t busaddroff; 2548 unsigned char *vpackoff; 2549 unsigned char __iomem *pciaddroff; 2550 2551 mem_start = pci_resource_start(pci, 1); 2552 mem_len = pci_resource_len(pci, 1); 2553 aux_start = pci_resource_start(pci, 2); 2554 aux_len = AUXMEMSIZE; 2555 2556 if (!request_mem_region(mem_start, mem_len, DRV_NAME)) { 2557 airo_print_err("", "Couldn't get region %x[%x]", 2558 (int)mem_start, (int)mem_len); 2559 goto out; 2560 } 2561 if (!request_mem_region(aux_start, aux_len, DRV_NAME)) { 2562 airo_print_err("", "Couldn't get region %x[%x]", 2563 (int)aux_start, (int)aux_len); 2564 goto free_region1; 2565 } 2566 2567 ai->pcimem = ioremap(mem_start, mem_len); 2568 if (!ai->pcimem) { 2569 airo_print_err("", "Couldn't map region %x[%x]", 2570 (int)mem_start, (int)mem_len); 2571 goto free_region2; 2572 } 2573 ai->pciaux = ioremap(aux_start, aux_len); 2574 if (!ai->pciaux) { 2575 airo_print_err("", "Couldn't map region %x[%x]", 2576 (int)aux_start, (int)aux_len); 2577 goto free_memmap; 2578 } 2579 2580 /* Reserve PKTSIZE for each fid and 2K for the Rids */ 2581 ai->shared = dma_alloc_coherent(&pci->dev, PCI_SHARED_LEN, 2582 &ai->shared_dma, GFP_KERNEL); 2583 if (!ai->shared) { 2584 airo_print_err("", "Couldn't alloc_coherent %d", 2585 PCI_SHARED_LEN); 2586 goto free_auxmap; 2587 } 2588 2589 /* 2590 * Setup descriptor RX, TX, CONFIG 2591 */ 2592 busaddroff = ai->shared_dma; 2593 pciaddroff = ai->pciaux + AUX_OFFSET; 2594 vpackoff = ai->shared; 2595 2596 /* RX descriptor setup */ 2597 for (i = 0; i < MPI_MAX_FIDS; i++) { 2598 ai->rxfids[i].pending = 0; 2599 ai->rxfids[i].card_ram_off = pciaddroff; 2600 ai->rxfids[i].virtual_host_addr = vpackoff; 2601 ai->rxfids[i].rx_desc.host_addr = busaddroff; 2602 ai->rxfids[i].rx_desc.valid = 1; 2603 ai->rxfids[i].rx_desc.len = PKTSIZE; 2604 ai->rxfids[i].rx_desc.rdy = 0; 2605 2606 pciaddroff += sizeof(RxFid); 2607 busaddroff += PKTSIZE; 2608 vpackoff += PKTSIZE; 2609 } 2610 2611 /* TX descriptor setup */ 2612 for (i = 0; i < MPI_MAX_FIDS; i++) { 2613 ai->txfids[i].card_ram_off = pciaddroff; 2614 ai->txfids[i].virtual_host_addr = vpackoff; 2615 ai->txfids[i].tx_desc.valid = 1; 2616 ai->txfids[i].tx_desc.host_addr = busaddroff; 2617 memcpy(ai->txfids[i].virtual_host_addr, 2618 &wifictlhdr8023, sizeof(wifictlhdr8023)); 2619 2620 pciaddroff += sizeof(TxFid); 2621 busaddroff += PKTSIZE; 2622 vpackoff += PKTSIZE; 2623 } 2624 ai->txfids[i-1].tx_desc.eoc = 1; /* Last descriptor has EOC set */ 2625 2626 /* Rid descriptor setup */ 2627 ai->config_desc.card_ram_off = pciaddroff; 2628 ai->config_desc.virtual_host_addr = vpackoff; 2629 ai->config_desc.rid_desc.host_addr = busaddroff; 2630 ai->ridbus = busaddroff; 2631 ai->config_desc.rid_desc.rid = 0; 2632 ai->config_desc.rid_desc.len = RIDSIZE; 2633 ai->config_desc.rid_desc.valid = 1; 2634 pciaddroff += sizeof(Rid); 2635 busaddroff += RIDSIZE; 2636 vpackoff += RIDSIZE; 2637 2638 /* Tell card about descriptors */ 2639 if (mpi_init_descriptors (ai) != SUCCESS) 2640 goto free_shared; 2641 2642 return 0; 2643 free_shared: 2644 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared, 2645 ai->shared_dma); 2646 free_auxmap: 2647 iounmap(ai->pciaux); 2648 free_memmap: 2649 iounmap(ai->pcimem); 2650 free_region2: 2651 release_mem_region(aux_start, aux_len); 2652 free_region1: 2653 release_mem_region(mem_start, mem_len); 2654 out: 2655 return rc; 2656 } 2657 2658 static const struct header_ops airo_header_ops = { 2659 .parse = wll_header_parse, 2660 }; 2661 2662 static const struct net_device_ops airo11_netdev_ops = { 2663 .ndo_open = airo_open, 2664 .ndo_stop = airo_close, 2665 .ndo_start_xmit = airo_start_xmit11, 2666 .ndo_get_stats = airo_get_stats, 2667 .ndo_set_mac_address = airo_set_mac_address, 2668 .ndo_do_ioctl = airo_ioctl, 2669 }; 2670 2671 static void wifi_setup(struct net_device *dev) 2672 { 2673 dev->netdev_ops = &airo11_netdev_ops; 2674 dev->header_ops = &airo_header_ops; 2675 dev->wireless_handlers = &airo_handler_def; 2676 2677 dev->type = ARPHRD_IEEE80211; 2678 dev->hard_header_len = ETH_HLEN; 2679 dev->mtu = AIRO_DEF_MTU; 2680 dev->min_mtu = 68; 2681 dev->max_mtu = MIC_MSGLEN_MAX; 2682 dev->addr_len = ETH_ALEN; 2683 dev->tx_queue_len = 100; 2684 2685 eth_broadcast_addr(dev->broadcast); 2686 2687 dev->flags = IFF_BROADCAST|IFF_MULTICAST; 2688 } 2689 2690 static struct net_device *init_wifidev(struct airo_info *ai, 2691 struct net_device *ethdev) 2692 { 2693 int err; 2694 struct net_device *dev = alloc_netdev(0, "wifi%d", NET_NAME_UNKNOWN, 2695 wifi_setup); 2696 if (!dev) 2697 return NULL; 2698 dev->ml_priv = ethdev->ml_priv; 2699 dev->irq = ethdev->irq; 2700 dev->base_addr = ethdev->base_addr; 2701 dev->wireless_data = ethdev->wireless_data; 2702 SET_NETDEV_DEV(dev, ethdev->dev.parent); 2703 eth_hw_addr_inherit(dev, ethdev); 2704 err = register_netdev(dev); 2705 if (err<0) { 2706 free_netdev(dev); 2707 return NULL; 2708 } 2709 return dev; 2710 } 2711 2712 static int reset_card(struct net_device *dev, int lock) 2713 { 2714 struct airo_info *ai = dev->ml_priv; 2715 2716 if (lock && down_interruptible(&ai->sem)) 2717 return -1; 2718 waitbusy (ai); 2719 OUT4500(ai, COMMAND, CMD_SOFTRESET); 2720 msleep(200); 2721 waitbusy (ai); 2722 msleep(200); 2723 if (lock) 2724 up(&ai->sem); 2725 return 0; 2726 } 2727 2728 #define AIRO_MAX_NETWORK_COUNT 64 2729 static int airo_networks_allocate(struct airo_info *ai) 2730 { 2731 if (ai->networks) 2732 return 0; 2733 2734 ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement), 2735 GFP_KERNEL); 2736 if (!ai->networks) { 2737 airo_print_warn("", "Out of memory allocating beacons"); 2738 return -ENOMEM; 2739 } 2740 2741 return 0; 2742 } 2743 2744 static void airo_networks_free(struct airo_info *ai) 2745 { 2746 kfree(ai->networks); 2747 ai->networks = NULL; 2748 } 2749 2750 static void airo_networks_initialize(struct airo_info *ai) 2751 { 2752 int i; 2753 2754 INIT_LIST_HEAD(&ai->network_free_list); 2755 INIT_LIST_HEAD(&ai->network_list); 2756 for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++) 2757 list_add_tail(&ai->networks[i].list, 2758 &ai->network_free_list); 2759 } 2760 2761 static const struct net_device_ops airo_netdev_ops = { 2762 .ndo_open = airo_open, 2763 .ndo_stop = airo_close, 2764 .ndo_start_xmit = airo_start_xmit, 2765 .ndo_get_stats = airo_get_stats, 2766 .ndo_set_rx_mode = airo_set_multicast_list, 2767 .ndo_set_mac_address = airo_set_mac_address, 2768 .ndo_do_ioctl = airo_ioctl, 2769 .ndo_validate_addr = eth_validate_addr, 2770 }; 2771 2772 static const struct net_device_ops mpi_netdev_ops = { 2773 .ndo_open = airo_open, 2774 .ndo_stop = airo_close, 2775 .ndo_start_xmit = mpi_start_xmit, 2776 .ndo_get_stats = airo_get_stats, 2777 .ndo_set_rx_mode = airo_set_multicast_list, 2778 .ndo_set_mac_address = airo_set_mac_address, 2779 .ndo_do_ioctl = airo_ioctl, 2780 .ndo_validate_addr = eth_validate_addr, 2781 }; 2782 2783 2784 static struct net_device *_init_airo_card(unsigned short irq, int port, 2785 int is_pcmcia, struct pci_dev *pci, 2786 struct device *dmdev) 2787 { 2788 struct net_device *dev; 2789 struct airo_info *ai; 2790 int i, rc; 2791 CapabilityRid cap_rid; 2792 2793 /* Create the network device object. */ 2794 dev = alloc_netdev(sizeof(*ai), "", NET_NAME_UNKNOWN, ether_setup); 2795 if (!dev) { 2796 airo_print_err("", "Couldn't alloc_etherdev"); 2797 return NULL; 2798 } 2799 2800 ai = dev->ml_priv = netdev_priv(dev); 2801 ai->wifidev = NULL; 2802 ai->flags = 1 << FLAG_RADIO_DOWN; 2803 ai->jobs = 0; 2804 ai->dev = dev; 2805 if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { 2806 airo_print_dbg("", "Found an MPI350 card"); 2807 set_bit(FLAG_MPI, &ai->flags); 2808 } 2809 spin_lock_init(&ai->aux_lock); 2810 sema_init(&ai->sem, 1); 2811 ai->config.len = 0; 2812 ai->pci = pci; 2813 init_waitqueue_head (&ai->thr_wait); 2814 ai->tfm = NULL; 2815 add_airo_dev(ai); 2816 ai->APList.len = cpu_to_le16(sizeof(struct APListRid)); 2817 2818 if (airo_networks_allocate (ai)) 2819 goto err_out_free; 2820 airo_networks_initialize (ai); 2821 2822 skb_queue_head_init (&ai->txq); 2823 2824 /* The Airo-specific entries in the device structure. */ 2825 if (test_bit(FLAG_MPI,&ai->flags)) 2826 dev->netdev_ops = &mpi_netdev_ops; 2827 else 2828 dev->netdev_ops = &airo_netdev_ops; 2829 dev->wireless_handlers = &airo_handler_def; 2830 ai->wireless_data.spy_data = &ai->spy_data; 2831 dev->wireless_data = &ai->wireless_data; 2832 dev->irq = irq; 2833 dev->base_addr = port; 2834 dev->priv_flags &= ~IFF_TX_SKB_SHARING; 2835 dev->max_mtu = MIC_MSGLEN_MAX; 2836 2837 SET_NETDEV_DEV(dev, dmdev); 2838 2839 reset_card (dev, 1); 2840 msleep(400); 2841 2842 if (!is_pcmcia) { 2843 if (!request_region(dev->base_addr, 64, DRV_NAME)) { 2844 rc = -EBUSY; 2845 airo_print_err(dev->name, "Couldn't request region"); 2846 goto err_out_nets; 2847 } 2848 } 2849 2850 if (test_bit(FLAG_MPI,&ai->flags)) { 2851 if (mpi_map_card(ai, pci)) { 2852 airo_print_err("", "Could not map memory"); 2853 goto err_out_res; 2854 } 2855 } 2856 2857 if (probe) { 2858 if (setup_card(ai, dev->dev_addr, 1) != SUCCESS) { 2859 airo_print_err(dev->name, "MAC could not be enabled"); 2860 rc = -EIO; 2861 goto err_out_map; 2862 } 2863 } else if (!test_bit(FLAG_MPI,&ai->flags)) { 2864 ai->bap_read = fast_bap_read; 2865 set_bit(FLAG_FLASHING, &ai->flags); 2866 } 2867 2868 strcpy(dev->name, "eth%d"); 2869 rc = register_netdev(dev); 2870 if (rc) { 2871 airo_print_err(dev->name, "Couldn't register_netdev"); 2872 goto err_out_map; 2873 } 2874 ai->wifidev = init_wifidev(ai, dev); 2875 if (!ai->wifidev) 2876 goto err_out_reg; 2877 2878 rc = readCapabilityRid(ai, &cap_rid, 1); 2879 if (rc != SUCCESS) { 2880 rc = -EIO; 2881 goto err_out_wifi; 2882 } 2883 /* WEP capability discovery */ 2884 ai->wep_capable = (cap_rid.softCap & cpu_to_le16(0x02)) ? 1 : 0; 2885 ai->max_wep_idx = (cap_rid.softCap & cpu_to_le16(0x80)) ? 3 : 0; 2886 2887 airo_print_info(dev->name, "Firmware version %x.%x.%02d", 2888 ((le16_to_cpu(cap_rid.softVer) >> 8) & 0xF), 2889 (le16_to_cpu(cap_rid.softVer) & 0xFF), 2890 le16_to_cpu(cap_rid.softSubVer)); 2891 2892 /* Test for WPA support */ 2893 /* Only firmware versions 5.30.17 or better can do WPA */ 2894 if (le16_to_cpu(cap_rid.softVer) > 0x530 2895 || (le16_to_cpu(cap_rid.softVer) == 0x530 2896 && le16_to_cpu(cap_rid.softSubVer) >= 17)) { 2897 airo_print_info(ai->dev->name, "WPA supported."); 2898 2899 set_bit(FLAG_WPA_CAPABLE, &ai->flags); 2900 ai->bssListFirst = RID_WPA_BSSLISTFIRST; 2901 ai->bssListNext = RID_WPA_BSSLISTNEXT; 2902 ai->bssListRidLen = sizeof(BSSListRid); 2903 } else { 2904 airo_print_info(ai->dev->name, "WPA unsupported with firmware " 2905 "versions older than 5.30.17."); 2906 2907 ai->bssListFirst = RID_BSSLISTFIRST; 2908 ai->bssListNext = RID_BSSLISTNEXT; 2909 ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); 2910 } 2911 2912 set_bit(FLAG_REGISTERED,&ai->flags); 2913 airo_print_info(dev->name, "MAC enabled %pM", dev->dev_addr); 2914 2915 /* Allocate the transmit buffers */ 2916 if (probe && !test_bit(FLAG_MPI,&ai->flags)) 2917 for (i = 0; i < MAX_FIDS; i++) 2918 ai->fids[i] = transmit_allocate(ai, AIRO_DEF_MTU, i>=MAX_FIDS/2); 2919 2920 if (setup_proc_entry(dev, dev->ml_priv) < 0) 2921 goto err_out_wifi; 2922 2923 return dev; 2924 2925 err_out_wifi: 2926 unregister_netdev(ai->wifidev); 2927 free_netdev(ai->wifidev); 2928 err_out_reg: 2929 unregister_netdev(dev); 2930 err_out_map: 2931 if (test_bit(FLAG_MPI,&ai->flags) && pci) { 2932 dma_free_coherent(&pci->dev, PCI_SHARED_LEN, ai->shared, 2933 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, true); 3151 else if (test_bit(JOB_XMIT11, &ai->jobs)) 3152 airo_end_xmit11(dev, true); 3153 else if (test_bit(JOB_STATS, &ai->jobs)) 3154 airo_read_stats(dev); 3155 else if (test_bit(JOB_PROMISC, &ai->jobs)) 3156 airo_set_promisc(ai, true); 3157 else if (test_bit(JOB_MIC, &ai->jobs)) 3158 micinit(ai); 3159 else if (test_bit(JOB_EVENT, &ai->jobs)) 3160 airo_send_event(dev); 3161 else if (test_bit(JOB_AUTOWEP, &ai->jobs)) 3162 timer_func(dev); 3163 else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs)) 3164 airo_process_scan_results(ai); 3165 else /* Shouldn't get here, but we make sure to unlock */ 3166 up(&ai->sem); 3167 } 3168 3169 return 0; 3170 } 3171 3172 static int header_len(__le16 ctl) 3173 { 3174 u16 fc = le16_to_cpu(ctl); 3175 switch (fc & 0xc) { 3176 case 4: 3177 if ((fc & 0xe0) == 0xc0) 3178 return 10; /* one-address control packet */ 3179 return 16; /* two-address control packet */ 3180 case 8: 3181 if ((fc & 0x300) == 0x300) 3182 return 30; /* WDS packet */ 3183 } 3184 return 24; 3185 } 3186 3187 static void airo_handle_cisco_mic(struct airo_info *ai) 3188 { 3189 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) { 3190 set_bit(JOB_MIC, &ai->jobs); 3191 wake_up_interruptible(&ai->thr_wait); 3192 } 3193 } 3194 3195 /* Airo Status codes */ 3196 #define STAT_NOBEACON 0x8000 /* Loss of sync - missed beacons */ 3197 #define STAT_MAXRETRIES 0x8001 /* Loss of sync - max retries */ 3198 #define STAT_MAXARL 0x8002 /* Loss of sync - average retry level exceeded*/ 3199 #define STAT_FORCELOSS 0x8003 /* Loss of sync - host request */ 3200 #define STAT_TSFSYNC 0x8004 /* Loss of sync - TSF synchronization */ 3201 #define STAT_DEAUTH 0x8100 /* low byte is 802.11 reason code */ 3202 #define STAT_DISASSOC 0x8200 /* low byte is 802.11 reason code */ 3203 #define STAT_ASSOC_FAIL 0x8400 /* low byte is 802.11 reason code */ 3204 #define STAT_AUTH_FAIL 0x0300 /* low byte is 802.11 reason code */ 3205 #define STAT_ASSOC 0x0400 /* Associated */ 3206 #define STAT_REASSOC 0x0600 /* Reassociated? Only on firmware >= 5.30.17 */ 3207 3208 static void airo_print_status(const char *devname, u16 status) 3209 { 3210 u8 reason = status & 0xFF; 3211 3212 switch (status & 0xFF00) { 3213 case STAT_NOBEACON: 3214 switch (status) { 3215 case STAT_NOBEACON: 3216 airo_print_dbg(devname, "link lost (missed beacons)"); 3217 break; 3218 case STAT_MAXRETRIES: 3219 case STAT_MAXARL: 3220 airo_print_dbg(devname, "link lost (max retries)"); 3221 break; 3222 case STAT_FORCELOSS: 3223 airo_print_dbg(devname, "link lost (local choice)"); 3224 break; 3225 case STAT_TSFSYNC: 3226 airo_print_dbg(devname, "link lost (TSF sync lost)"); 3227 break; 3228 default: 3229 airo_print_dbg(devname, "unknown status %x\n", status); 3230 break; 3231 } 3232 break; 3233 case STAT_DEAUTH: 3234 airo_print_dbg(devname, "deauthenticated (reason: %d)", reason); 3235 break; 3236 case STAT_DISASSOC: 3237 airo_print_dbg(devname, "disassociated (reason: %d)", reason); 3238 break; 3239 case STAT_ASSOC_FAIL: 3240 airo_print_dbg(devname, "association failed (reason: %d)", 3241 reason); 3242 break; 3243 case STAT_AUTH_FAIL: 3244 airo_print_dbg(devname, "authentication failed (reason: %d)", 3245 reason); 3246 break; 3247 case STAT_ASSOC: 3248 case STAT_REASSOC: 3249 break; 3250 default: 3251 airo_print_dbg(devname, "unknown status %x\n", status); 3252 break; 3253 } 3254 } 3255 3256 static void airo_handle_link(struct airo_info *ai) 3257 { 3258 union iwreq_data wrqu; 3259 int scan_forceloss = 0; 3260 u16 status; 3261 3262 /* Get new status and acknowledge the link change */ 3263 status = le16_to_cpu(IN4500(ai, LINKSTAT)); 3264 OUT4500(ai, EVACK, EV_LINK); 3265 3266 if ((status == STAT_FORCELOSS) && (ai->scan_timeout > 0)) 3267 scan_forceloss = 1; 3268 3269 airo_print_status(ai->dev->name, status); 3270 3271 if ((status == STAT_ASSOC) || (status == STAT_REASSOC)) { 3272 if (auto_wep) 3273 ai->expires = 0; 3274 if (ai->list_bss_task) 3275 wake_up_process(ai->list_bss_task); 3276 set_bit(FLAG_UPDATE_UNI, &ai->flags); 3277 set_bit(FLAG_UPDATE_MULTI, &ai->flags); 3278 3279 set_bit(JOB_EVENT, &ai->jobs); 3280 wake_up_interruptible(&ai->thr_wait); 3281 3282 netif_carrier_on(ai->dev); 3283 } else if (!scan_forceloss) { 3284 if (auto_wep && !ai->expires) { 3285 ai->expires = RUN_AT(3*HZ); 3286 wake_up_interruptible(&ai->thr_wait); 3287 } 3288 3289 /* Send event to user space */ 3290 eth_zero_addr(wrqu.ap_addr.sa_data); 3291 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 3292 wireless_send_event(ai->dev, SIOCGIWAP, &wrqu, NULL); 3293 netif_carrier_off(ai->dev); 3294 } else { 3295 netif_carrier_off(ai->dev); 3296 } 3297 } 3298 3299 static void airo_handle_rx(struct airo_info *ai) 3300 { 3301 struct sk_buff *skb = NULL; 3302 __le16 fc, v, *buffer, tmpbuf[4]; 3303 u16 len, hdrlen = 0, gap, fid; 3304 struct rx_hdr hdr; 3305 int success = 0; 3306 3307 if (test_bit(FLAG_MPI, &ai->flags)) { 3308 if (test_bit(FLAG_802_11, &ai->flags)) 3309 mpi_receive_802_11(ai); 3310 else 3311 mpi_receive_802_3(ai); 3312 OUT4500(ai, EVACK, EV_RX); 3313 return; 3314 } 3315 3316 fid = IN4500(ai, RXFID); 3317 3318 /* Get the packet length */ 3319 if (test_bit(FLAG_802_11, &ai->flags)) { 3320 bap_setup (ai, fid, 4, BAP0); 3321 bap_read (ai, (__le16*)&hdr, sizeof(hdr), BAP0); 3322 /* Bad CRC. Ignore packet */ 3323 if (le16_to_cpu(hdr.status) & 2) 3324 hdr.len = 0; 3325 if (ai->wifidev == NULL) 3326 hdr.len = 0; 3327 } else { 3328 bap_setup(ai, fid, 0x36, BAP0); 3329 bap_read(ai, &hdr.len, 2, BAP0); 3330 } 3331 len = le16_to_cpu(hdr.len); 3332 3333 if (len > AIRO_DEF_MTU) { 3334 airo_print_err(ai->dev->name, "Bad size %d", len); 3335 goto done; 3336 } 3337 if (len == 0) 3338 goto done; 3339 3340 if (test_bit(FLAG_802_11, &ai->flags)) { 3341 bap_read(ai, &fc, sizeof (fc), BAP0); 3342 hdrlen = header_len(fc); 3343 } else 3344 hdrlen = ETH_ALEN * 2; 3345 3346 skb = dev_alloc_skb(len + hdrlen + 2 + 2); 3347 if (!skb) { 3348 ai->dev->stats.rx_dropped++; 3349 goto done; 3350 } 3351 3352 skb_reserve(skb, 2); /* This way the IP header is aligned */ 3353 buffer = skb_put(skb, len + hdrlen); 3354 if (test_bit(FLAG_802_11, &ai->flags)) { 3355 buffer[0] = fc; 3356 bap_read(ai, buffer + 1, hdrlen - 2, BAP0); 3357 if (hdrlen == 24) 3358 bap_read(ai, tmpbuf, 6, BAP0); 3359 3360 bap_read(ai, &v, sizeof(v), BAP0); 3361 gap = le16_to_cpu(v); 3362 if (gap) { 3363 if (gap <= 8) { 3364 bap_read(ai, tmpbuf, gap, BAP0); 3365 } else { 3366 airo_print_err(ai->dev->name, "gaplen too " 3367 "big. Problems will follow..."); 3368 } 3369 } 3370 bap_read(ai, buffer + hdrlen/2, len, BAP0); 3371 } else { 3372 MICBuffer micbuf; 3373 3374 bap_read(ai, buffer, ETH_ALEN * 2, BAP0); 3375 if (ai->micstats.enabled) { 3376 bap_read(ai, (__le16 *) &micbuf, sizeof (micbuf), BAP0); 3377 if (ntohs(micbuf.typelen) > 0x05DC) 3378 bap_setup(ai, fid, 0x44, BAP0); 3379 else { 3380 if (len <= sizeof (micbuf)) { 3381 dev_kfree_skb_irq(skb); 3382 goto done; 3383 } 3384 3385 len -= sizeof(micbuf); 3386 skb_trim(skb, len + hdrlen); 3387 } 3388 } 3389 3390 bap_read(ai, buffer + ETH_ALEN, len, BAP0); 3391 if (decapsulate(ai, &micbuf, (etherHead*) buffer, len)) 3392 dev_kfree_skb_irq (skb); 3393 else 3394 success = 1; 3395 } 3396 3397 #ifdef WIRELESS_SPY 3398 if (success && (ai->spy_data.spy_number > 0)) { 3399 char *sa; 3400 struct iw_quality wstats; 3401 3402 /* Prepare spy data : addr + qual */ 3403 if (!test_bit(FLAG_802_11, &ai->flags)) { 3404 sa = (char *) buffer + 6; 3405 bap_setup(ai, fid, 8, BAP0); 3406 bap_read(ai, (__le16 *) hdr.rssi, 2, BAP0); 3407 } else 3408 sa = (char *) buffer + 10; 3409 wstats.qual = hdr.rssi[0]; 3410 if (ai->rssi) 3411 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3412 else 3413 wstats.level = (hdr.rssi[1] + 321) / 2; 3414 wstats.noise = ai->wstats.qual.noise; 3415 wstats.updated = IW_QUAL_LEVEL_UPDATED 3416 | IW_QUAL_QUAL_UPDATED 3417 | IW_QUAL_DBM; 3418 /* Update spy records */ 3419 wireless_spy_update(ai->dev, sa, &wstats); 3420 } 3421 #endif /* WIRELESS_SPY */ 3422 3423 done: 3424 OUT4500(ai, EVACK, EV_RX); 3425 3426 if (success) { 3427 if (test_bit(FLAG_802_11, &ai->flags)) { 3428 skb_reset_mac_header(skb); 3429 skb->pkt_type = PACKET_OTHERHOST; 3430 skb->dev = ai->wifidev; 3431 skb->protocol = htons(ETH_P_802_2); 3432 } else 3433 skb->protocol = eth_type_trans(skb, ai->dev); 3434 skb->ip_summed = CHECKSUM_NONE; 3435 3436 netif_rx(skb); 3437 } 3438 } 3439 3440 static void airo_handle_tx(struct airo_info *ai, u16 status) 3441 { 3442 int i, index = -1; 3443 u16 fid; 3444 3445 if (test_bit(FLAG_MPI, &ai->flags)) { 3446 unsigned long flags; 3447 3448 if (status & EV_TXEXC) 3449 get_tx_error(ai, -1); 3450 3451 spin_lock_irqsave(&ai->aux_lock, flags); 3452 if (!skb_queue_empty(&ai->txq)) { 3453 spin_unlock_irqrestore(&ai->aux_lock, flags); 3454 mpi_send_packet(ai->dev); 3455 } else { 3456 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 3457 spin_unlock_irqrestore(&ai->aux_lock, flags); 3458 netif_wake_queue(ai->dev); 3459 } 3460 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3461 return; 3462 } 3463 3464 fid = IN4500(ai, TXCOMPLFID); 3465 3466 for (i = 0; i < MAX_FIDS; i++) { 3467 if ((ai->fids[i] & 0xffff) == fid) 3468 index = i; 3469 } 3470 3471 if (index != -1) { 3472 if (status & EV_TXEXC) 3473 get_tx_error(ai, index); 3474 3475 OUT4500(ai, EVACK, status & (EV_TX | EV_TXEXC)); 3476 3477 /* Set up to be used again */ 3478 ai->fids[index] &= 0xffff; 3479 if (index < MAX_FIDS / 2) { 3480 if (!test_bit(FLAG_PENDING_XMIT, &ai->flags)) 3481 netif_wake_queue(ai->dev); 3482 } else { 3483 if (!test_bit(FLAG_PENDING_XMIT11, &ai->flags)) 3484 netif_wake_queue(ai->wifidev); 3485 } 3486 } else { 3487 OUT4500(ai, EVACK, status & (EV_TX | EV_TXCPY | EV_TXEXC)); 3488 airo_print_err(ai->dev->name, "Unallocated FID was used to xmit"); 3489 } 3490 } 3491 3492 static irqreturn_t airo_interrupt(int irq, void *dev_id) 3493 { 3494 struct net_device *dev = dev_id; 3495 u16 status, savedInterrupts = 0; 3496 struct airo_info *ai = dev->ml_priv; 3497 int handled = 0; 3498 3499 if (!netif_device_present(dev)) 3500 return IRQ_NONE; 3501 3502 for (;;) { 3503 status = IN4500(ai, EVSTAT); 3504 if (!(status & STATUS_INTS) || (status == 0xffff)) 3505 break; 3506 3507 handled = 1; 3508 3509 if (status & EV_AWAKE) { 3510 OUT4500(ai, EVACK, EV_AWAKE); 3511 OUT4500(ai, EVACK, EV_AWAKE); 3512 } 3513 3514 if (!savedInterrupts) { 3515 savedInterrupts = IN4500(ai, EVINTEN); 3516 OUT4500(ai, EVINTEN, 0); 3517 } 3518 3519 if (status & EV_MIC) { 3520 OUT4500(ai, EVACK, EV_MIC); 3521 airo_handle_cisco_mic(ai); 3522 } 3523 3524 if (status & EV_LINK) { 3525 /* Link status changed */ 3526 airo_handle_link(ai); 3527 } 3528 3529 /* Check to see if there is something to receive */ 3530 if (status & EV_RX) 3531 airo_handle_rx(ai); 3532 3533 /* Check to see if a packet has been transmitted */ 3534 if (status & (EV_TX | EV_TXCPY | EV_TXEXC)) 3535 airo_handle_tx(ai, status); 3536 3537 if (status & ~STATUS_INTS & ~IGNORE_INTS) { 3538 airo_print_warn(ai->dev->name, "Got weird status %x", 3539 status & ~STATUS_INTS & ~IGNORE_INTS); 3540 } 3541 } 3542 3543 if (savedInterrupts) 3544 OUT4500(ai, EVINTEN, savedInterrupts); 3545 3546 return IRQ_RETVAL(handled); 3547 } 3548 3549 /* 3550 * Routines to talk to the card 3551 */ 3552 3553 /* 3554 * This was originally written for the 4500, hence the name 3555 * NOTE: If use with 8bit mode and SMP bad things will happen! 3556 * Why would some one do 8 bit IO in an SMP machine?!? 3557 */ 3558 static void OUT4500(struct airo_info *ai, u16 reg, u16 val) 3559 { 3560 if (test_bit(FLAG_MPI,&ai->flags)) 3561 reg <<= 1; 3562 if (!do8bitIO) 3563 outw(val, ai->dev->base_addr + reg); 3564 else { 3565 outb(val & 0xff, ai->dev->base_addr + reg); 3566 outb(val >> 8, ai->dev->base_addr + reg + 1); 3567 } 3568 } 3569 3570 static u16 IN4500(struct airo_info *ai, u16 reg) 3571 { 3572 unsigned short rc; 3573 3574 if (test_bit(FLAG_MPI,&ai->flags)) 3575 reg <<= 1; 3576 if (!do8bitIO) 3577 rc = inw(ai->dev->base_addr + reg); 3578 else { 3579 rc = inb(ai->dev->base_addr + reg); 3580 rc += ((int)inb(ai->dev->base_addr + reg + 1)) << 8; 3581 } 3582 return rc; 3583 } 3584 3585 static int enable_MAC(struct airo_info *ai, int lock) 3586 { 3587 int rc; 3588 Cmd cmd; 3589 Resp rsp; 3590 3591 /* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions 3592 * FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down" 3593 * Note : we could try to use !netif_running(dev) in enable_MAC() 3594 * instead of this flag, but I don't trust it *within* the 3595 * open/close functions, and testing both flags together is 3596 * "cheaper" - Jean II */ 3597 if (ai->flags & FLAG_RADIO_MASK) return SUCCESS; 3598 3599 if (lock && down_interruptible(&ai->sem)) 3600 return -ERESTARTSYS; 3601 3602 if (!test_bit(FLAG_ENABLED, &ai->flags)) { 3603 memset(&cmd, 0, sizeof(cmd)); 3604 cmd.cmd = MAC_ENABLE; 3605 rc = issuecommand(ai, &cmd, &rsp, true); 3606 if (rc == SUCCESS) 3607 set_bit(FLAG_ENABLED, &ai->flags); 3608 } else 3609 rc = SUCCESS; 3610 3611 if (lock) 3612 up(&ai->sem); 3613 3614 if (rc) 3615 airo_print_err(ai->dev->name, "Cannot enable MAC"); 3616 else if ((rsp.status & 0xFF00) != 0) { 3617 airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, " 3618 "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2); 3619 rc = ERROR; 3620 } 3621 return rc; 3622 } 3623 3624 static void disable_MAC(struct airo_info *ai, int lock) 3625 { 3626 Cmd cmd; 3627 Resp rsp; 3628 3629 if (lock == 1 && down_interruptible(&ai->sem)) 3630 return; 3631 3632 if (test_bit(FLAG_ENABLED, &ai->flags)) { 3633 if (lock != 2) /* lock == 2 means don't disable carrier */ 3634 netif_carrier_off(ai->dev); 3635 memset(&cmd, 0, sizeof(cmd)); 3636 cmd.cmd = MAC_DISABLE; // disable in case already enabled 3637 issuecommand(ai, &cmd, &rsp, true); 3638 clear_bit(FLAG_ENABLED, &ai->flags); 3639 } 3640 if (lock == 1) 3641 up(&ai->sem); 3642 } 3643 3644 static void enable_interrupts(struct airo_info *ai) 3645 { 3646 /* Enable the interrupts */ 3647 OUT4500(ai, EVINTEN, STATUS_INTS); 3648 } 3649 3650 static void disable_interrupts(struct airo_info *ai) 3651 { 3652 OUT4500(ai, EVINTEN, 0); 3653 } 3654 3655 static void mpi_receive_802_3(struct airo_info *ai) 3656 { 3657 RxFid rxd; 3658 int len = 0; 3659 struct sk_buff *skb; 3660 char *buffer; 3661 int off = 0; 3662 MICBuffer micbuf; 3663 3664 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3665 /* Make sure we got something */ 3666 if (rxd.rdy && rxd.valid == 0) { 3667 len = rxd.len + 12; 3668 if (len < 12 || len > 2048) 3669 goto badrx; 3670 3671 skb = dev_alloc_skb(len); 3672 if (!skb) { 3673 ai->dev->stats.rx_dropped++; 3674 goto badrx; 3675 } 3676 buffer = skb_put(skb, len); 3677 memcpy(buffer, ai->rxfids[0].virtual_host_addr, ETH_ALEN * 2); 3678 if (ai->micstats.enabled) { 3679 memcpy(&micbuf, 3680 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2, 3681 sizeof(micbuf)); 3682 if (ntohs(micbuf.typelen) <= 0x05DC) { 3683 if (len <= sizeof(micbuf) + ETH_ALEN * 2) 3684 goto badmic; 3685 3686 off = sizeof(micbuf); 3687 skb_trim (skb, len - off); 3688 } 3689 } 3690 memcpy(buffer + ETH_ALEN * 2, 3691 ai->rxfids[0].virtual_host_addr + ETH_ALEN * 2 + off, 3692 len - ETH_ALEN * 2 - off); 3693 if (decapsulate (ai, &micbuf, (etherHead*)buffer, len - off - ETH_ALEN * 2)) { 3694 badmic: 3695 dev_kfree_skb_irq (skb); 3696 goto badrx; 3697 } 3698 #ifdef WIRELESS_SPY 3699 if (ai->spy_data.spy_number > 0) { 3700 char *sa; 3701 struct iw_quality wstats; 3702 /* Prepare spy data : addr + qual */ 3703 sa = buffer + ETH_ALEN; 3704 wstats.qual = 0; /* XXX Where do I get that info from ??? */ 3705 wstats.level = 0; 3706 wstats.updated = 0; 3707 /* Update spy records */ 3708 wireless_spy_update(ai->dev, sa, &wstats); 3709 } 3710 #endif /* WIRELESS_SPY */ 3711 3712 skb->ip_summed = CHECKSUM_NONE; 3713 skb->protocol = eth_type_trans(skb, ai->dev); 3714 netif_rx(skb); 3715 } 3716 badrx: 3717 if (rxd.valid == 0) { 3718 rxd.valid = 1; 3719 rxd.rdy = 0; 3720 rxd.len = PKTSIZE; 3721 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3722 } 3723 } 3724 3725 static void mpi_receive_802_11(struct airo_info *ai) 3726 { 3727 RxFid rxd; 3728 struct sk_buff *skb = NULL; 3729 u16 len, hdrlen = 0; 3730 __le16 fc; 3731 struct rx_hdr hdr; 3732 u16 gap; 3733 u16 *buffer; 3734 char *ptr = ai->rxfids[0].virtual_host_addr + 4; 3735 3736 memcpy_fromio(&rxd, ai->rxfids[0].card_ram_off, sizeof(rxd)); 3737 memcpy ((char *)&hdr, ptr, sizeof(hdr)); 3738 ptr += sizeof(hdr); 3739 /* Bad CRC. Ignore packet */ 3740 if (le16_to_cpu(hdr.status) & 2) 3741 hdr.len = 0; 3742 if (ai->wifidev == NULL) 3743 hdr.len = 0; 3744 len = le16_to_cpu(hdr.len); 3745 if (len > AIRO_DEF_MTU) { 3746 airo_print_err(ai->dev->name, "Bad size %d", len); 3747 goto badrx; 3748 } 3749 if (len == 0) 3750 goto badrx; 3751 3752 fc = get_unaligned((__le16 *)ptr); 3753 hdrlen = header_len(fc); 3754 3755 skb = dev_alloc_skb(len + hdrlen + 2); 3756 if (!skb) { 3757 ai->dev->stats.rx_dropped++; 3758 goto badrx; 3759 } 3760 buffer = skb_put(skb, len + hdrlen); 3761 memcpy ((char *)buffer, ptr, hdrlen); 3762 ptr += hdrlen; 3763 if (hdrlen == 24) 3764 ptr += 6; 3765 gap = get_unaligned_le16(ptr); 3766 ptr += sizeof(__le16); 3767 if (gap) { 3768 if (gap <= 8) 3769 ptr += gap; 3770 else 3771 airo_print_err(ai->dev->name, 3772 "gaplen too big. Problems will follow..."); 3773 } 3774 memcpy ((char *)buffer + hdrlen, ptr, len); 3775 ptr += len; 3776 #ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ 3777 if (ai->spy_data.spy_number > 0) { 3778 char *sa; 3779 struct iw_quality wstats; 3780 /* Prepare spy data : addr + qual */ 3781 sa = (char*)buffer + 10; 3782 wstats.qual = hdr.rssi[0]; 3783 if (ai->rssi) 3784 wstats.level = 0x100 - ai->rssi[hdr.rssi[1]].rssidBm; 3785 else 3786 wstats.level = (hdr.rssi[1] + 321) / 2; 3787 wstats.noise = ai->wstats.qual.noise; 3788 wstats.updated = IW_QUAL_QUAL_UPDATED 3789 | IW_QUAL_LEVEL_UPDATED 3790 | IW_QUAL_DBM; 3791 /* Update spy records */ 3792 wireless_spy_update(ai->dev, sa, &wstats); 3793 } 3794 #endif /* IW_WIRELESS_SPY */ 3795 skb_reset_mac_header(skb); 3796 skb->pkt_type = PACKET_OTHERHOST; 3797 skb->dev = ai->wifidev; 3798 skb->protocol = htons(ETH_P_802_2); 3799 skb->ip_summed = CHECKSUM_NONE; 3800 netif_rx(skb); 3801 3802 badrx: 3803 if (rxd.valid == 0) { 3804 rxd.valid = 1; 3805 rxd.rdy = 0; 3806 rxd.len = PKTSIZE; 3807 memcpy_toio(ai->rxfids[0].card_ram_off, &rxd, sizeof(rxd)); 3808 } 3809 } 3810 3811 static inline void set_auth_type(struct airo_info *local, int auth_type) 3812 { 3813 local->config.authType = auth_type; 3814 /* Cache the last auth type used (of AUTH_OPEN and AUTH_ENCRYPT). 3815 * Used by airo_set_auth() 3816 */ 3817 if (auth_type == AUTH_OPEN || auth_type == AUTH_ENCRYPT) 3818 local->last_auth = auth_type; 3819 } 3820 3821 static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) 3822 { 3823 Cmd cmd; 3824 Resp rsp; 3825 int status; 3826 SsidRid mySsid; 3827 __le16 lastindex; 3828 WepKeyRid wkr; 3829 int rc; 3830 3831 memset(&mySsid, 0, sizeof(mySsid)); 3832 kfree (ai->flash); 3833 ai->flash = NULL; 3834 3835 /* The NOP is the first step in getting the card going */ 3836 cmd.cmd = NOP; 3837 cmd.parm0 = cmd.parm1 = cmd.parm2 = 0; 3838 if (lock && down_interruptible(&ai->sem)) 3839 return ERROR; 3840 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 3841 if (lock) 3842 up(&ai->sem); 3843 return ERROR; 3844 } 3845 disable_MAC(ai, 0); 3846 3847 // Let's figure out if we need to use the AUX port 3848 if (!test_bit(FLAG_MPI,&ai->flags)) { 3849 cmd.cmd = CMD_ENABLEAUX; 3850 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 3851 if (lock) 3852 up(&ai->sem); 3853 airo_print_err(ai->dev->name, "Error checking for AUX port"); 3854 return ERROR; 3855 } 3856 if (!aux_bap || rsp.status & 0xff00) { 3857 ai->bap_read = fast_bap_read; 3858 airo_print_dbg(ai->dev->name, "Doing fast bap_reads"); 3859 } else { 3860 ai->bap_read = aux_bap_read; 3861 airo_print_dbg(ai->dev->name, "Doing AUX bap_reads"); 3862 } 3863 } 3864 if (lock) 3865 up(&ai->sem); 3866 if (ai->config.len == 0) { 3867 int i; 3868 tdsRssiRid rssi_rid; 3869 CapabilityRid cap_rid; 3870 3871 kfree(ai->SSID); 3872 ai->SSID = NULL; 3873 // general configuration (read/modify/write) 3874 status = readConfigRid(ai, lock); 3875 if (status != SUCCESS) return ERROR; 3876 3877 status = readCapabilityRid(ai, &cap_rid, lock); 3878 if (status != SUCCESS) return ERROR; 3879 3880 status = PC4500_readrid(ai, RID_RSSI,&rssi_rid, sizeof(rssi_rid), lock); 3881 if (status == SUCCESS) { 3882 if (ai->rssi || (ai->rssi = kmalloc(512, GFP_KERNEL)) != NULL) 3883 memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */ 3884 } 3885 else { 3886 kfree(ai->rssi); 3887 ai->rssi = NULL; 3888 if (cap_rid.softCap & cpu_to_le16(8)) 3889 ai->config.rmode |= RXMODE_NORMALIZED_RSSI; 3890 else 3891 airo_print_warn(ai->dev->name, "unknown received signal " 3892 "level scale"); 3893 } 3894 ai->config.opmode = adhoc ? MODE_STA_IBSS : MODE_STA_ESS; 3895 set_auth_type(ai, AUTH_OPEN); 3896 ai->config.modulation = MOD_CCK; 3897 3898 if (le16_to_cpu(cap_rid.len) >= sizeof(cap_rid) && 3899 (cap_rid.extSoftCap & cpu_to_le16(1)) && 3900 micsetup(ai) == SUCCESS) { 3901 ai->config.opmode |= MODE_MIC; 3902 set_bit(FLAG_MIC_CAPABLE, &ai->flags); 3903 } 3904 3905 /* Save off the MAC */ 3906 for (i = 0; i < ETH_ALEN; i++) { 3907 mac[i] = ai->config.macAddr[i]; 3908 } 3909 3910 /* Check to see if there are any insmod configured 3911 rates to add */ 3912 if (rates[0]) { 3913 memset(ai->config.rates, 0, sizeof(ai->config.rates)); 3914 for (i = 0; i < 8 && rates[i]; i++) { 3915 ai->config.rates[i] = rates[i]; 3916 } 3917 } 3918 set_bit (FLAG_COMMIT, &ai->flags); 3919 } 3920 3921 /* Setup the SSIDs if present */ 3922 if (ssids[0]) { 3923 int i; 3924 for (i = 0; i < 3 && ssids[i]; i++) { 3925 size_t len = strlen(ssids[i]); 3926 if (len > 32) 3927 len = 32; 3928 mySsid.ssids[i].len = cpu_to_le16(len); 3929 memcpy(mySsid.ssids[i].ssid, ssids[i], len); 3930 } 3931 mySsid.len = cpu_to_le16(sizeof(mySsid)); 3932 } 3933 3934 status = writeConfigRid(ai, lock); 3935 if (status != SUCCESS) return ERROR; 3936 3937 /* Set up the SSID list */ 3938 if (ssids[0]) { 3939 status = writeSsidRid(ai, &mySsid, lock); 3940 if (status != SUCCESS) return ERROR; 3941 } 3942 3943 status = enable_MAC(ai, lock); 3944 if (status != SUCCESS) 3945 return ERROR; 3946 3947 /* Grab the initial wep key, we gotta save it for auto_wep */ 3948 rc = readWepKeyRid(ai, &wkr, 1, lock); 3949 if (rc == SUCCESS) do { 3950 lastindex = wkr.kindex; 3951 if (wkr.kindex == cpu_to_le16(0xffff)) { 3952 ai->defindex = wkr.mac[0]; 3953 } 3954 rc = readWepKeyRid(ai, &wkr, 0, lock); 3955 } while (lastindex != wkr.kindex); 3956 3957 try_auto_wep(ai); 3958 3959 return SUCCESS; 3960 } 3961 3962 static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp, 3963 bool may_sleep) 3964 { 3965 // Im really paranoid about letting it run forever! 3966 int max_tries = 600000; 3967 3968 if (IN4500(ai, EVSTAT) & EV_CMD) 3969 OUT4500(ai, EVACK, EV_CMD); 3970 3971 OUT4500(ai, PARAM0, pCmd->parm0); 3972 OUT4500(ai, PARAM1, pCmd->parm1); 3973 OUT4500(ai, PARAM2, pCmd->parm2); 3974 OUT4500(ai, COMMAND, pCmd->cmd); 3975 3976 while (max_tries-- && (IN4500(ai, EVSTAT) & EV_CMD) == 0) { 3977 if ((IN4500(ai, COMMAND)) == pCmd->cmd) 3978 // PC4500 didn't notice command, try again 3979 OUT4500(ai, COMMAND, pCmd->cmd); 3980 if (may_sleep && (max_tries & 255) == 0) 3981 cond_resched(); 3982 } 3983 3984 if (max_tries == -1) { 3985 airo_print_err(ai->dev->name, 3986 "Max tries exceeded when issuing command"); 3987 if (IN4500(ai, COMMAND) & COMMAND_BUSY) 3988 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 3989 return ERROR; 3990 } 3991 3992 // command completed 3993 pRsp->status = IN4500(ai, STATUS); 3994 pRsp->rsp0 = IN4500(ai, RESP0); 3995 pRsp->rsp1 = IN4500(ai, RESP1); 3996 pRsp->rsp2 = IN4500(ai, RESP2); 3997 if ((pRsp->status & 0xff00)!=0 && pCmd->cmd != CMD_SOFTRESET) 3998 airo_print_err(ai->dev->name, 3999 "cmd:%x status:%x rsp0:%x rsp1:%x rsp2:%x", 4000 pCmd->cmd, pRsp->status, pRsp->rsp0, pRsp->rsp1, 4001 pRsp->rsp2); 4002 4003 // clear stuck command busy if necessary 4004 if (IN4500(ai, COMMAND) & COMMAND_BUSY) { 4005 OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); 4006 } 4007 // acknowledge processing the status/response 4008 OUT4500(ai, EVACK, EV_CMD); 4009 4010 return SUCCESS; 4011 } 4012 4013 /* Sets up the bap to start exchange data. whichbap should 4014 * be one of the BAP0 or BAP1 defines. Locks should be held before 4015 * calling! */ 4016 static int bap_setup(struct airo_info *ai, u16 rid, u16 offset, int whichbap) 4017 { 4018 int timeout = 50; 4019 int max_tries = 3; 4020 4021 OUT4500(ai, SELECT0+whichbap, rid); 4022 OUT4500(ai, OFFSET0+whichbap, offset); 4023 while (1) { 4024 int status = IN4500(ai, OFFSET0+whichbap); 4025 if (status & BAP_BUSY) { 4026 /* This isn't really a timeout, but its kinda 4027 close */ 4028 if (timeout--) { 4029 continue; 4030 } 4031 } else if (status & BAP_ERR) { 4032 /* invalid rid or offset */ 4033 airo_print_err(ai->dev->name, "BAP error %x %d", 4034 status, whichbap); 4035 return ERROR; 4036 } else if (status & BAP_DONE) { // success 4037 return SUCCESS; 4038 } 4039 if (!(max_tries--)) { 4040 airo_print_err(ai->dev->name, 4041 "BAP setup error too many retries\n"); 4042 return ERROR; 4043 } 4044 // -- PC4500 missed it, try again 4045 OUT4500(ai, SELECT0+whichbap, rid); 4046 OUT4500(ai, OFFSET0+whichbap, offset); 4047 timeout = 50; 4048 } 4049 } 4050 4051 /* should only be called by aux_bap_read. This aux function and the 4052 following use concepts not documented in the developers guide. I 4053 got them from a patch given to my by Aironet */ 4054 static u16 aux_setup(struct airo_info *ai, u16 page, 4055 u16 offset, u16 *len) 4056 { 4057 u16 next; 4058 4059 OUT4500(ai, AUXPAGE, page); 4060 OUT4500(ai, AUXOFF, 0); 4061 next = IN4500(ai, AUXDATA); 4062 *len = IN4500(ai, AUXDATA)&0xff; 4063 if (offset != 4) OUT4500(ai, AUXOFF, offset); 4064 return next; 4065 } 4066 4067 /* requires call to bap_setup() first */ 4068 static int aux_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4069 int bytelen, int whichbap) 4070 { 4071 u16 len; 4072 u16 page; 4073 u16 offset; 4074 u16 next; 4075 int words; 4076 int i; 4077 unsigned long flags; 4078 4079 spin_lock_irqsave(&ai->aux_lock, flags); 4080 page = IN4500(ai, SWS0+whichbap); 4081 offset = IN4500(ai, SWS2+whichbap); 4082 next = aux_setup(ai, page, offset, &len); 4083 words = (bytelen+1)>>1; 4084 4085 for (i = 0; i<words;) { 4086 int count; 4087 count = (len>>1) < (words-i) ? (len>>1) : (words-i); 4088 if (!do8bitIO) 4089 insw(ai->dev->base_addr+DATA0+whichbap, 4090 pu16Dst+i, count); 4091 else 4092 insb(ai->dev->base_addr+DATA0+whichbap, 4093 pu16Dst+i, count << 1); 4094 i += count; 4095 if (i<words) { 4096 next = aux_setup(ai, next, 4, &len); 4097 } 4098 } 4099 spin_unlock_irqrestore(&ai->aux_lock, flags); 4100 return SUCCESS; 4101 } 4102 4103 4104 /* requires call to bap_setup() first */ 4105 static int fast_bap_read(struct airo_info *ai, __le16 *pu16Dst, 4106 int bytelen, int whichbap) 4107 { 4108 bytelen = (bytelen + 1) & (~1); // round up to even value 4109 if (!do8bitIO) 4110 insw(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen>>1); 4111 else 4112 insb(ai->dev->base_addr+DATA0+whichbap, pu16Dst, bytelen); 4113 return SUCCESS; 4114 } 4115 4116 /* requires call to bap_setup() first */ 4117 static int bap_write(struct airo_info *ai, const __le16 *pu16Src, 4118 int bytelen, int whichbap) 4119 { 4120 bytelen = (bytelen + 1) & (~1); // round up to even value 4121 if (!do8bitIO) 4122 outsw(ai->dev->base_addr+DATA0+whichbap, 4123 pu16Src, bytelen>>1); 4124 else 4125 outsb(ai->dev->base_addr+DATA0+whichbap, pu16Src, bytelen); 4126 return SUCCESS; 4127 } 4128 4129 static int PC4500_accessrid(struct airo_info *ai, u16 rid, u16 accmd) 4130 { 4131 Cmd cmd; /* for issuing commands */ 4132 Resp rsp; /* response from commands */ 4133 u16 status; 4134 4135 memset(&cmd, 0, sizeof(cmd)); 4136 cmd.cmd = accmd; 4137 cmd.parm0 = rid; 4138 status = issuecommand(ai, &cmd, &rsp, true); 4139 if (status != 0) return status; 4140 if ((rsp.status & 0x7F00) != 0) { 4141 return (accmd << 8) + (rsp.rsp0 & 0xFF); 4142 } 4143 return 0; 4144 } 4145 4146 /* Note, that we are using BAP1 which is also used by transmit, so 4147 * we must get a lock. */ 4148 static int PC4500_readrid(struct airo_info *ai, u16 rid, void *pBuf, int len, int lock) 4149 { 4150 u16 status; 4151 int rc = SUCCESS; 4152 4153 if (lock) { 4154 if (down_interruptible(&ai->sem)) 4155 return ERROR; 4156 } 4157 if (test_bit(FLAG_MPI,&ai->flags)) { 4158 Cmd cmd; 4159 Resp rsp; 4160 4161 memset(&cmd, 0, sizeof(cmd)); 4162 memset(&rsp, 0, sizeof(rsp)); 4163 ai->config_desc.rid_desc.valid = 1; 4164 ai->config_desc.rid_desc.len = RIDSIZE; 4165 ai->config_desc.rid_desc.rid = 0; 4166 ai->config_desc.rid_desc.host_addr = ai->ridbus; 4167 4168 cmd.cmd = CMD_ACCESS; 4169 cmd.parm0 = rid; 4170 4171 memcpy_toio(ai->config_desc.card_ram_off, 4172 &ai->config_desc.rid_desc, sizeof(Rid)); 4173 4174 rc = issuecommand(ai, &cmd, &rsp, true); 4175 4176 if (rsp.status & 0x7f00) 4177 rc = rsp.rsp0; 4178 if (!rc) 4179 memcpy(pBuf, ai->config_desc.virtual_host_addr, len); 4180 goto done; 4181 } else { 4182 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS))!=SUCCESS) { 4183 rc = status; 4184 goto done; 4185 } 4186 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4187 rc = ERROR; 4188 goto done; 4189 } 4190 // read the rid length field 4191 bap_read(ai, pBuf, 2, BAP1); 4192 // length for remaining part of rid 4193 len = min(len, (int)le16_to_cpu(*(__le16*)pBuf)) - 2; 4194 4195 if (len <= 2) { 4196 airo_print_err(ai->dev->name, 4197 "Rid %x has a length of %d which is too short", 4198 (int)rid, (int)len); 4199 rc = ERROR; 4200 goto done; 4201 } 4202 // read remainder of the rid 4203 rc = bap_read(ai, ((__le16*)pBuf)+1, len, BAP1); 4204 } 4205 done: 4206 if (lock) 4207 up(&ai->sem); 4208 return rc; 4209 } 4210 4211 /* Note, that we are using BAP1 which is also used by transmit, so 4212 * make sure this isn't called when a transmit is happening */ 4213 static int PC4500_writerid(struct airo_info *ai, u16 rid, 4214 const void *pBuf, int len, int lock) 4215 { 4216 u16 status; 4217 int rc = SUCCESS; 4218 4219 *(__le16*)pBuf = cpu_to_le16((u16)len); 4220 4221 if (lock) { 4222 if (down_interruptible(&ai->sem)) 4223 return ERROR; 4224 } 4225 if (test_bit(FLAG_MPI,&ai->flags)) { 4226 Cmd cmd; 4227 Resp rsp; 4228 4229 if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid)) 4230 airo_print_err(ai->dev->name, 4231 "%s: MAC should be disabled (rid=%04x)", 4232 __func__, rid); 4233 memset(&cmd, 0, sizeof(cmd)); 4234 memset(&rsp, 0, sizeof(rsp)); 4235 4236 ai->config_desc.rid_desc.valid = 1; 4237 ai->config_desc.rid_desc.len = *((u16 *)pBuf); 4238 ai->config_desc.rid_desc.rid = 0; 4239 4240 cmd.cmd = CMD_WRITERID; 4241 cmd.parm0 = rid; 4242 4243 memcpy_toio(ai->config_desc.card_ram_off, 4244 &ai->config_desc.rid_desc, sizeof(Rid)); 4245 4246 if (len < 4 || len > 2047) { 4247 airo_print_err(ai->dev->name, "%s: len=%d", __func__, len); 4248 rc = -1; 4249 } else { 4250 memcpy(ai->config_desc.virtual_host_addr, 4251 pBuf, len); 4252 4253 rc = issuecommand(ai, &cmd, &rsp, true); 4254 if ((rc & 0xff00) != 0) { 4255 airo_print_err(ai->dev->name, "%s: Write rid Error %d", 4256 __func__, rc); 4257 airo_print_err(ai->dev->name, "%s: Cmd=%04x", 4258 __func__, cmd.cmd); 4259 } 4260 4261 if ((rsp.status & 0x7f00)) 4262 rc = rsp.rsp0; 4263 } 4264 } else { 4265 // --- first access so that we can write the rid data 4266 if ((status = PC4500_accessrid(ai, rid, CMD_ACCESS)) != 0) { 4267 rc = status; 4268 goto done; 4269 } 4270 // --- now write the rid data 4271 if (bap_setup(ai, rid, 0, BAP1) != SUCCESS) { 4272 rc = ERROR; 4273 goto done; 4274 } 4275 bap_write(ai, pBuf, len, BAP1); 4276 // ---now commit the rid data 4277 rc = PC4500_accessrid(ai, rid, 0x100|CMD_ACCESS); 4278 } 4279 done: 4280 if (lock) 4281 up(&ai->sem); 4282 return rc; 4283 } 4284 4285 /* Allocates a FID to be used for transmitting packets. We only use 4286 one for now. */ 4287 static u16 transmit_allocate(struct airo_info *ai, int lenPayload, int raw) 4288 { 4289 unsigned int loop = 3000; 4290 Cmd cmd; 4291 Resp rsp; 4292 u16 txFid; 4293 __le16 txControl; 4294 4295 cmd.cmd = CMD_ALLOCATETX; 4296 cmd.parm0 = lenPayload; 4297 if (down_interruptible(&ai->sem)) 4298 return ERROR; 4299 if (issuecommand(ai, &cmd, &rsp, true) != SUCCESS) { 4300 txFid = ERROR; 4301 goto done; 4302 } 4303 if ((rsp.status & 0xFF00) != 0) { 4304 txFid = ERROR; 4305 goto done; 4306 } 4307 /* wait for the allocate event/indication 4308 * It makes me kind of nervous that this can just sit here and spin, 4309 * but in practice it only loops like four times. */ 4310 while (((IN4500(ai, EVSTAT) & EV_ALLOC) == 0) && --loop); 4311 if (!loop) { 4312 txFid = ERROR; 4313 goto done; 4314 } 4315 4316 // get the allocated fid and acknowledge 4317 txFid = IN4500(ai, TXALLOCFID); 4318 OUT4500(ai, EVACK, EV_ALLOC); 4319 4320 /* The CARD is pretty cool since it converts the ethernet packet 4321 * into 802.11. Also note that we don't release the FID since we 4322 * will be using the same one over and over again. */ 4323 /* We only have to setup the control once since we are not 4324 * releasing the fid. */ 4325 if (raw) 4326 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_11 4327 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4328 else 4329 txControl = cpu_to_le16(TXCTL_TXOK | TXCTL_TXEX | TXCTL_802_3 4330 | TXCTL_ETHERNET | TXCTL_NORELEASE); 4331 if (bap_setup(ai, txFid, 0x0008, BAP1) != SUCCESS) 4332 txFid = ERROR; 4333 else 4334 bap_write(ai, &txControl, sizeof(txControl), BAP1); 4335 4336 done: 4337 up(&ai->sem); 4338 4339 return txFid; 4340 } 4341 4342 /* In general BAP1 is dedicated to transmiting packets. However, 4343 since we need a BAP when accessing RIDs, we also use BAP1 for that. 4344 Make sure the BAP1 spinlock is held when this is called. */ 4345 static int transmit_802_3_packet(struct airo_info *ai, int len, char *pPacket, 4346 bool may_sleep) 4347 { 4348 __le16 payloadLen; 4349 Cmd cmd; 4350 Resp rsp; 4351 int miclen = 0; 4352 u16 txFid = len; 4353 MICBuffer pMic; 4354 4355 len >>= 16; 4356 4357 if (len <= ETH_ALEN * 2) { 4358 airo_print_warn(ai->dev->name, "Short packet %d", len); 4359 return ERROR; 4360 } 4361 len -= ETH_ALEN * 2; 4362 4363 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && 4364 (ntohs(((__be16 *)pPacket)[6]) != 0x888E)) { 4365 if (encapsulate(ai, (etherHead *)pPacket,&pMic, len) != SUCCESS) 4366 return ERROR; 4367 miclen = sizeof(pMic); 4368 } 4369 // packet is destination[6], source[6], payload[len-12] 4370 // write the payload length and dst/src/payload 4371 if (bap_setup(ai, txFid, 0x0036, BAP1) != SUCCESS) return ERROR; 4372 /* The hardware addresses aren't counted as part of the payload, so 4373 * we have to subtract the 12 bytes for the addresses off */ 4374 payloadLen = cpu_to_le16(len + miclen); 4375 bap_write(ai, &payloadLen, sizeof(payloadLen), BAP1); 4376 bap_write(ai, (__le16*)pPacket, sizeof(etherHead), BAP1); 4377 if (miclen) 4378 bap_write(ai, (__le16*)&pMic, miclen, BAP1); 4379 bap_write(ai, (__le16*)(pPacket + sizeof(etherHead)), len, BAP1); 4380 // issue the transmit command 4381 memset(&cmd, 0, sizeof(cmd)); 4382 cmd.cmd = CMD_TRANSMIT; 4383 cmd.parm0 = txFid; 4384 if (issuecommand(ai, &cmd, &rsp, may_sleep) != SUCCESS) 4385 return ERROR; 4386 if ((rsp.status & 0xFF00) != 0) return ERROR; 4387 return SUCCESS; 4388 } 4389 4390 static int transmit_802_11_packet(struct airo_info *ai, int len, char *pPacket, 4391 bool may_sleep) 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, may_sleep) != SUCCESS) 4427 return ERROR; 4428 if ((rsp.status & 0xFF00) != 0) return ERROR; 4429 return SUCCESS; 4430 } 4431 4432 /* 4433 * This is the proc_fs routines. It is a bit messier than I would 4434 * like! Feel free to clean it up! 4435 */ 4436 4437 static ssize_t proc_read(struct file *file, 4438 char __user *buffer, 4439 size_t len, 4440 loff_t *offset); 4441 4442 static ssize_t proc_write(struct file *file, 4443 const char __user *buffer, 4444 size_t len, 4445 loff_t *offset); 4446 static int proc_close(struct inode *inode, struct file *file); 4447 4448 static int proc_stats_open(struct inode *inode, struct file *file); 4449 static int proc_statsdelta_open(struct inode *inode, struct file *file); 4450 static int proc_status_open(struct inode *inode, struct file *file); 4451 static int proc_SSID_open(struct inode *inode, struct file *file); 4452 static int proc_APList_open(struct inode *inode, struct file *file); 4453 static int proc_BSSList_open(struct inode *inode, struct file *file); 4454 static int proc_config_open(struct inode *inode, struct file *file); 4455 static int proc_wepkey_open(struct inode *inode, struct file *file); 4456 4457 static const struct proc_ops proc_statsdelta_ops = { 4458 .proc_read = proc_read, 4459 .proc_open = proc_statsdelta_open, 4460 .proc_release = proc_close, 4461 .proc_lseek = default_llseek, 4462 }; 4463 4464 static const struct proc_ops proc_stats_ops = { 4465 .proc_read = proc_read, 4466 .proc_open = proc_stats_open, 4467 .proc_release = proc_close, 4468 .proc_lseek = default_llseek, 4469 }; 4470 4471 static const struct proc_ops proc_status_ops = { 4472 .proc_read = proc_read, 4473 .proc_open = proc_status_open, 4474 .proc_release = proc_close, 4475 .proc_lseek = default_llseek, 4476 }; 4477 4478 static const struct proc_ops proc_SSID_ops = { 4479 .proc_read = proc_read, 4480 .proc_write = proc_write, 4481 .proc_open = proc_SSID_open, 4482 .proc_release = proc_close, 4483 .proc_lseek = default_llseek, 4484 }; 4485 4486 static const struct proc_ops proc_BSSList_ops = { 4487 .proc_read = proc_read, 4488 .proc_write = proc_write, 4489 .proc_open = proc_BSSList_open, 4490 .proc_release = proc_close, 4491 .proc_lseek = default_llseek, 4492 }; 4493 4494 static const struct proc_ops proc_APList_ops = { 4495 .proc_read = proc_read, 4496 .proc_write = proc_write, 4497 .proc_open = proc_APList_open, 4498 .proc_release = proc_close, 4499 .proc_lseek = default_llseek, 4500 }; 4501 4502 static const struct proc_ops proc_config_ops = { 4503 .proc_read = proc_read, 4504 .proc_write = proc_write, 4505 .proc_open = proc_config_open, 4506 .proc_release = proc_close, 4507 .proc_lseek = default_llseek, 4508 }; 4509 4510 static const struct proc_ops proc_wepkey_ops = { 4511 .proc_read = proc_read, 4512 .proc_write = proc_write, 4513 .proc_open = proc_wepkey_open, 4514 .proc_release = proc_close, 4515 .proc_lseek = default_llseek, 4516 }; 4517 4518 static struct proc_dir_entry *airo_entry; 4519 4520 struct proc_data { 4521 int release_buffer; 4522 int readlen; 4523 char *rbuffer; 4524 int writelen; 4525 int maxwritelen; 4526 char *wbuffer; 4527 void (*on_close) (struct inode *, struct file *); 4528 }; 4529 4530 static int setup_proc_entry(struct net_device *dev, 4531 struct airo_info *apriv) 4532 { 4533 struct proc_dir_entry *entry; 4534 4535 /* First setup the device directory */ 4536 strcpy(apriv->proc_name, dev->name); 4537 apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm, 4538 airo_entry); 4539 if (!apriv->proc_entry) 4540 return -ENOMEM; 4541 proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid); 4542 4543 /* Setup the StatsDelta */ 4544 entry = proc_create_data("StatsDelta", 0444 & proc_perm, 4545 apriv->proc_entry, &proc_statsdelta_ops, dev); 4546 if (!entry) 4547 goto fail; 4548 proc_set_user(entry, proc_kuid, proc_kgid); 4549 4550 /* Setup the Stats */ 4551 entry = proc_create_data("Stats", 0444 & proc_perm, 4552 apriv->proc_entry, &proc_stats_ops, dev); 4553 if (!entry) 4554 goto fail; 4555 proc_set_user(entry, proc_kuid, proc_kgid); 4556 4557 /* Setup the Status */ 4558 entry = proc_create_data("Status", 0444 & proc_perm, 4559 apriv->proc_entry, &proc_status_ops, dev); 4560 if (!entry) 4561 goto fail; 4562 proc_set_user(entry, proc_kuid, proc_kgid); 4563 4564 /* Setup the Config */ 4565 entry = proc_create_data("Config", proc_perm, 4566 apriv->proc_entry, &proc_config_ops, dev); 4567 if (!entry) 4568 goto fail; 4569 proc_set_user(entry, proc_kuid, proc_kgid); 4570 4571 /* Setup the SSID */ 4572 entry = proc_create_data("SSID", proc_perm, 4573 apriv->proc_entry, &proc_SSID_ops, dev); 4574 if (!entry) 4575 goto fail; 4576 proc_set_user(entry, proc_kuid, proc_kgid); 4577 4578 /* Setup the APList */ 4579 entry = proc_create_data("APList", proc_perm, 4580 apriv->proc_entry, &proc_APList_ops, dev); 4581 if (!entry) 4582 goto fail; 4583 proc_set_user(entry, proc_kuid, proc_kgid); 4584 4585 /* Setup the BSSList */ 4586 entry = proc_create_data("BSSList", proc_perm, 4587 apriv->proc_entry, &proc_BSSList_ops, dev); 4588 if (!entry) 4589 goto fail; 4590 proc_set_user(entry, proc_kuid, proc_kgid); 4591 4592 /* Setup the WepKey */ 4593 entry = proc_create_data("WepKey", proc_perm, 4594 apriv->proc_entry, &proc_wepkey_ops, dev); 4595 if (!entry) 4596 goto fail; 4597 proc_set_user(entry, proc_kuid, proc_kgid); 4598 return 0; 4599 4600 fail: 4601 remove_proc_subtree(apriv->proc_name, airo_entry); 4602 return -ENOMEM; 4603 } 4604 4605 static int takedown_proc_entry(struct net_device *dev, 4606 struct airo_info *apriv) 4607 { 4608 remove_proc_subtree(apriv->proc_name, airo_entry); 4609 return 0; 4610 } 4611 4612 /* 4613 * What we want from the proc_fs is to be able to efficiently read 4614 * and write the configuration. To do this, we want to read the 4615 * configuration when the file is opened and write it when the file is 4616 * closed. So basically we allocate a read buffer at open and fill it 4617 * with data, and allocate a write buffer and read it at close. 4618 */ 4619 4620 /* 4621 * The read routine is generic, it relies on the preallocated rbuffer 4622 * to supply the data. 4623 */ 4624 static ssize_t proc_read(struct file *file, 4625 char __user *buffer, 4626 size_t len, 4627 loff_t *offset) 4628 { 4629 struct proc_data *priv = file->private_data; 4630 4631 if (!priv->rbuffer) 4632 return -EINVAL; 4633 4634 return simple_read_from_buffer(buffer, len, offset, priv->rbuffer, 4635 priv->readlen); 4636 } 4637 4638 /* 4639 * The write routine is generic, it fills in a preallocated rbuffer 4640 * to supply the data. 4641 */ 4642 static ssize_t proc_write(struct file *file, 4643 const char __user *buffer, 4644 size_t len, 4645 loff_t *offset) 4646 { 4647 ssize_t ret; 4648 struct proc_data *priv = file->private_data; 4649 4650 if (!priv->wbuffer) 4651 return -EINVAL; 4652 4653 ret = simple_write_to_buffer(priv->wbuffer, priv->maxwritelen, offset, 4654 buffer, len); 4655 if (ret > 0) 4656 priv->writelen = max_t(int, priv->writelen, *offset); 4657 4658 return ret; 4659 } 4660 4661 static int proc_status_open(struct inode *inode, struct file *file) 4662 { 4663 struct proc_data *data; 4664 struct net_device *dev = PDE_DATA(inode); 4665 struct airo_info *apriv = dev->ml_priv; 4666 CapabilityRid cap_rid; 4667 StatusRid status_rid; 4668 u16 mode; 4669 int i; 4670 4671 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4672 return -ENOMEM; 4673 data = file->private_data; 4674 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 4675 kfree (file->private_data); 4676 return -ENOMEM; 4677 } 4678 4679 readStatusRid(apriv, &status_rid, 1); 4680 readCapabilityRid(apriv, &cap_rid, 1); 4681 4682 mode = le16_to_cpu(status_rid.mode); 4683 4684 i = sprintf(data->rbuffer, "Status: %s%s%s%s%s%s%s%s%s\n", 4685 mode & 1 ? "CFG ": "", 4686 mode & 2 ? "ACT ": "", 4687 mode & 0x10 ? "SYN ": "", 4688 mode & 0x20 ? "LNK ": "", 4689 mode & 0x40 ? "LEAP ": "", 4690 mode & 0x80 ? "PRIV ": "", 4691 mode & 0x100 ? "KEY ": "", 4692 mode & 0x200 ? "WEP ": "", 4693 mode & 0x8000 ? "ERR ": ""); 4694 sprintf(data->rbuffer+i, "Mode: %x\n" 4695 "Signal Strength: %d\n" 4696 "Signal Quality: %d\n" 4697 "SSID: %-.*s\n" 4698 "AP: %-.16s\n" 4699 "Freq: %d\n" 4700 "BitRate: %dmbs\n" 4701 "Driver Version: %s\n" 4702 "Device: %s\nManufacturer: %s\nFirmware Version: %s\n" 4703 "Radio type: %x\nCountry: %x\nHardware Version: %x\n" 4704 "Software Version: %x\nSoftware Subversion: %x\n" 4705 "Boot block version: %x\n", 4706 le16_to_cpu(status_rid.mode), 4707 le16_to_cpu(status_rid.normalizedSignalStrength), 4708 le16_to_cpu(status_rid.signalQuality), 4709 le16_to_cpu(status_rid.SSIDlen), 4710 status_rid.SSID, 4711 status_rid.apName, 4712 le16_to_cpu(status_rid.channel), 4713 le16_to_cpu(status_rid.currentXmitRate) / 2, 4714 version, 4715 cap_rid.prodName, 4716 cap_rid.manName, 4717 cap_rid.prodVer, 4718 le16_to_cpu(cap_rid.radioType), 4719 le16_to_cpu(cap_rid.country), 4720 le16_to_cpu(cap_rid.hardVer), 4721 le16_to_cpu(cap_rid.softVer), 4722 le16_to_cpu(cap_rid.softSubVer), 4723 le16_to_cpu(cap_rid.bootBlockVer)); 4724 data->readlen = strlen(data->rbuffer); 4725 return 0; 4726 } 4727 4728 static int proc_stats_rid_open(struct inode*, struct file*, u16); 4729 static int proc_statsdelta_open(struct inode *inode, 4730 struct file *file) 4731 { 4732 if (file->f_mode&FMODE_WRITE) { 4733 return proc_stats_rid_open(inode, file, RID_STATSDELTACLEAR); 4734 } 4735 return proc_stats_rid_open(inode, file, RID_STATSDELTA); 4736 } 4737 4738 static int proc_stats_open(struct inode *inode, struct file *file) 4739 { 4740 return proc_stats_rid_open(inode, file, RID_STATS); 4741 } 4742 4743 static int proc_stats_rid_open(struct inode *inode, 4744 struct file *file, 4745 u16 rid) 4746 { 4747 struct proc_data *data; 4748 struct net_device *dev = PDE_DATA(inode); 4749 struct airo_info *apriv = dev->ml_priv; 4750 StatsRid stats; 4751 int i, j; 4752 __le32 *vals = stats.vals; 4753 int len; 4754 4755 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 4756 return -ENOMEM; 4757 data = file->private_data; 4758 if ((data->rbuffer = kmalloc(4096, GFP_KERNEL)) == NULL) { 4759 kfree (file->private_data); 4760 return -ENOMEM; 4761 } 4762 4763 readStatsRid(apriv, &stats, rid, 1); 4764 len = le16_to_cpu(stats.len); 4765 4766 j = 0; 4767 for (i = 0; statsLabels[i]!=(char *)-1 && i*4<len; i++) { 4768 if (!statsLabels[i]) continue; 4769 if (j+strlen(statsLabels[i])+16>4096) { 4770 airo_print_warn(apriv->dev->name, 4771 "Potentially disastrous buffer overflow averted!"); 4772 break; 4773 } 4774 j+=sprintf(data->rbuffer+j, "%s: %u\n", statsLabels[i], 4775 le32_to_cpu(vals[i])); 4776 } 4777 if (i*4 >= len) { 4778 airo_print_warn(apriv->dev->name, "Got a short rid"); 4779 } 4780 data->readlen = j; 4781 return 0; 4782 } 4783 4784 static int get_dec_u16(char *buffer, int *start, int limit) 4785 { 4786 u16 value; 4787 int valid = 0; 4788 for (value = 0; *start < limit && buffer[*start] >= '0' && 4789 buffer[*start] <= '9'; (*start)++) { 4790 valid = 1; 4791 value *= 10; 4792 value += buffer[*start] - '0'; 4793 } 4794 if (!valid) return -1; 4795 return value; 4796 } 4797 4798 static int airo_config_commit(struct net_device *dev, 4799 struct iw_request_info *info, void *zwrq, 4800 char *extra); 4801 4802 static inline int sniffing_mode(struct airo_info *ai) 4803 { 4804 return (le16_to_cpu(ai->config.rmode) & le16_to_cpu(RXMODE_MASK)) >= 4805 le16_to_cpu(RXMODE_RFMON); 4806 } 4807 4808 static void proc_config_on_close(struct inode *inode, struct file *file) 4809 { 4810 struct proc_data *data = file->private_data; 4811 struct net_device *dev = PDE_DATA(inode); 4812 struct airo_info *ai = dev->ml_priv; 4813 char *line; 4814 4815 if (!data->writelen) return; 4816 4817 readConfigRid(ai, 1); 4818 set_bit (FLAG_COMMIT, &ai->flags); 4819 4820 line = data->wbuffer; 4821 while (line[0]) { 4822 /*** Mode processing */ 4823 if (!strncmp(line, "Mode: ", 6)) { 4824 line += 6; 4825 if (sniffing_mode(ai)) 4826 set_bit (FLAG_RESET, &ai->flags); 4827 ai->config.rmode &= ~RXMODE_FULL_MASK; 4828 clear_bit (FLAG_802_11, &ai->flags); 4829 ai->config.opmode &= ~MODE_CFG_MASK; 4830 ai->config.scanMode = SCANMODE_ACTIVE; 4831 if (line[0] == 'a') { 4832 ai->config.opmode |= MODE_STA_IBSS; 4833 } else { 4834 ai->config.opmode |= MODE_STA_ESS; 4835 if (line[0] == 'r') { 4836 ai->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 4837 ai->config.scanMode = SCANMODE_PASSIVE; 4838 set_bit (FLAG_802_11, &ai->flags); 4839 } else if (line[0] == 'y') { 4840 ai->config.rmode |= RXMODE_RFMON_ANYBSS | RXMODE_DISABLE_802_3_HEADER; 4841 ai->config.scanMode = SCANMODE_PASSIVE; 4842 set_bit (FLAG_802_11, &ai->flags); 4843 } else if (line[0] == 'l') 4844 ai->config.rmode |= RXMODE_LANMON; 4845 } 4846 set_bit (FLAG_COMMIT, &ai->flags); 4847 } 4848 4849 /*** Radio status */ 4850 else if (!strncmp(line,"Radio: ", 7)) { 4851 line += 7; 4852 if (!strncmp(line,"off", 3)) { 4853 set_bit (FLAG_RADIO_OFF, &ai->flags); 4854 } else { 4855 clear_bit (FLAG_RADIO_OFF, &ai->flags); 4856 } 4857 } 4858 /*** NodeName processing */ 4859 else if (!strncmp(line, "NodeName: ", 10)) { 4860 int j; 4861 4862 line += 10; 4863 memset(ai->config.nodeName, 0, 16); 4864 /* Do the name, assume a space between the mode and node name */ 4865 for (j = 0; j < 16 && line[j] != '\n'; j++) { 4866 ai->config.nodeName[j] = line[j]; 4867 } 4868 set_bit (FLAG_COMMIT, &ai->flags); 4869 } 4870 4871 /*** PowerMode processing */ 4872 else if (!strncmp(line, "PowerMode: ", 11)) { 4873 line += 11; 4874 if (!strncmp(line, "PSPCAM", 6)) { 4875 ai->config.powerSaveMode = POWERSAVE_PSPCAM; 4876 set_bit (FLAG_COMMIT, &ai->flags); 4877 } else if (!strncmp(line, "PSP", 3)) { 4878 ai->config.powerSaveMode = POWERSAVE_PSP; 4879 set_bit (FLAG_COMMIT, &ai->flags); 4880 } else { 4881 ai->config.powerSaveMode = POWERSAVE_CAM; 4882 set_bit (FLAG_COMMIT, &ai->flags); 4883 } 4884 } else if (!strncmp(line, "DataRates: ", 11)) { 4885 int v, i = 0, k = 0; /* i is index into line, 4886 k is index to rates */ 4887 4888 line += 11; 4889 while ((v = get_dec_u16(line, &i, 3))!=-1) { 4890 ai->config.rates[k++] = (u8)v; 4891 line += i + 1; 4892 i = 0; 4893 } 4894 set_bit (FLAG_COMMIT, &ai->flags); 4895 } else if (!strncmp(line, "Channel: ", 9)) { 4896 int v, i = 0; 4897 line += 9; 4898 v = get_dec_u16(line, &i, i+3); 4899 if (v != -1) { 4900 ai->config.channelSet = cpu_to_le16(v); 4901 set_bit (FLAG_COMMIT, &ai->flags); 4902 } 4903 } else if (!strncmp(line, "XmitPower: ", 11)) { 4904 int v, i = 0; 4905 line += 11; 4906 v = get_dec_u16(line, &i, i+3); 4907 if (v != -1) { 4908 ai->config.txPower = cpu_to_le16(v); 4909 set_bit (FLAG_COMMIT, &ai->flags); 4910 } 4911 } else if (!strncmp(line, "WEP: ", 5)) { 4912 line += 5; 4913 switch(line[0]) { 4914 case 's': 4915 set_auth_type(ai, AUTH_SHAREDKEY); 4916 break; 4917 case 'e': 4918 set_auth_type(ai, AUTH_ENCRYPT); 4919 break; 4920 default: 4921 set_auth_type(ai, AUTH_OPEN); 4922 break; 4923 } 4924 set_bit (FLAG_COMMIT, &ai->flags); 4925 } else if (!strncmp(line, "LongRetryLimit: ", 16)) { 4926 int v, i = 0; 4927 4928 line += 16; 4929 v = get_dec_u16(line, &i, 3); 4930 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4931 ai->config.longRetryLimit = cpu_to_le16(v); 4932 set_bit (FLAG_COMMIT, &ai->flags); 4933 } else if (!strncmp(line, "ShortRetryLimit: ", 17)) { 4934 int v, i = 0; 4935 4936 line += 17; 4937 v = get_dec_u16(line, &i, 3); 4938 v = (v<0) ? 0 : ((v>255) ? 255 : v); 4939 ai->config.shortRetryLimit = cpu_to_le16(v); 4940 set_bit (FLAG_COMMIT, &ai->flags); 4941 } else if (!strncmp(line, "RTSThreshold: ", 14)) { 4942 int v, i = 0; 4943 4944 line += 14; 4945 v = get_dec_u16(line, &i, 4); 4946 v = (v<0) ? 0 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4947 ai->config.rtsThres = cpu_to_le16(v); 4948 set_bit (FLAG_COMMIT, &ai->flags); 4949 } else if (!strncmp(line, "TXMSDULifetime: ", 16)) { 4950 int v, i = 0; 4951 4952 line += 16; 4953 v = get_dec_u16(line, &i, 5); 4954 v = (v<0) ? 0 : v; 4955 ai->config.txLifetime = cpu_to_le16(v); 4956 set_bit (FLAG_COMMIT, &ai->flags); 4957 } else if (!strncmp(line, "RXMSDULifetime: ", 16)) { 4958 int v, i = 0; 4959 4960 line += 16; 4961 v = get_dec_u16(line, &i, 5); 4962 v = (v<0) ? 0 : v; 4963 ai->config.rxLifetime = cpu_to_le16(v); 4964 set_bit (FLAG_COMMIT, &ai->flags); 4965 } else if (!strncmp(line, "TXDiversity: ", 13)) { 4966 ai->config.txDiversity = 4967 (line[13]=='l') ? 1 : 4968 ((line[13]=='r')? 2: 3); 4969 set_bit (FLAG_COMMIT, &ai->flags); 4970 } else if (!strncmp(line, "RXDiversity: ", 13)) { 4971 ai->config.rxDiversity = 4972 (line[13]=='l') ? 1 : 4973 ((line[13]=='r')? 2: 3); 4974 set_bit (FLAG_COMMIT, &ai->flags); 4975 } else if (!strncmp(line, "FragThreshold: ", 15)) { 4976 int v, i = 0; 4977 4978 line += 15; 4979 v = get_dec_u16(line, &i, 4); 4980 v = (v<256) ? 256 : ((v>AIRO_DEF_MTU) ? AIRO_DEF_MTU : v); 4981 v = v & 0xfffe; /* Make sure its even */ 4982 ai->config.fragThresh = cpu_to_le16(v); 4983 set_bit (FLAG_COMMIT, &ai->flags); 4984 } else if (!strncmp(line, "Modulation: ", 12)) { 4985 line += 12; 4986 switch(*line) { 4987 case 'd': ai->config.modulation = MOD_DEFAULT; set_bit(FLAG_COMMIT, &ai->flags); break; 4988 case 'c': ai->config.modulation = MOD_CCK; set_bit(FLAG_COMMIT, &ai->flags); break; 4989 case 'm': ai->config.modulation = MOD_MOK; set_bit(FLAG_COMMIT, &ai->flags); break; 4990 default: airo_print_warn(ai->dev->name, "Unknown modulation"); 4991 } 4992 } else if (!strncmp(line, "Preamble: ", 10)) { 4993 line += 10; 4994 switch(*line) { 4995 case 'a': ai->config.preamble = PREAMBLE_AUTO; set_bit(FLAG_COMMIT, &ai->flags); break; 4996 case 'l': ai->config.preamble = PREAMBLE_LONG; set_bit(FLAG_COMMIT, &ai->flags); break; 4997 case 's': ai->config.preamble = PREAMBLE_SHORT; set_bit(FLAG_COMMIT, &ai->flags); break; 4998 default: airo_print_warn(ai->dev->name, "Unknown preamble"); 4999 } 5000 } else { 5001 airo_print_warn(ai->dev->name, "Couldn't figure out %s", line); 5002 } 5003 while (line[0] && line[0] != '\n') line++; 5004 if (line[0]) line++; 5005 } 5006 airo_config_commit(dev, NULL, NULL, NULL); 5007 } 5008 5009 static const char *get_rmode(__le16 mode) 5010 { 5011 switch(mode & RXMODE_MASK) { 5012 case RXMODE_RFMON: return "rfmon"; 5013 case RXMODE_RFMON_ANYBSS: return "yna (any) bss rfmon"; 5014 case RXMODE_LANMON: return "lanmon"; 5015 } 5016 return "ESS"; 5017 } 5018 5019 static int proc_config_open(struct inode *inode, struct file *file) 5020 { 5021 struct proc_data *data; 5022 struct net_device *dev = PDE_DATA(inode); 5023 struct airo_info *ai = dev->ml_priv; 5024 int i; 5025 __le16 mode; 5026 5027 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5028 return -ENOMEM; 5029 data = file->private_data; 5030 if ((data->rbuffer = kmalloc(2048, GFP_KERNEL)) == NULL) { 5031 kfree (file->private_data); 5032 return -ENOMEM; 5033 } 5034 if ((data->wbuffer = kzalloc(2048, GFP_KERNEL)) == NULL) { 5035 kfree (data->rbuffer); 5036 kfree (file->private_data); 5037 return -ENOMEM; 5038 } 5039 data->maxwritelen = 2048; 5040 data->on_close = proc_config_on_close; 5041 5042 readConfigRid(ai, 1); 5043 5044 mode = ai->config.opmode & MODE_CFG_MASK; 5045 i = sprintf(data->rbuffer, 5046 "Mode: %s\n" 5047 "Radio: %s\n" 5048 "NodeName: %-16s\n" 5049 "PowerMode: %s\n" 5050 "DataRates: %d %d %d %d %d %d %d %d\n" 5051 "Channel: %d\n" 5052 "XmitPower: %d\n", 5053 mode == MODE_STA_IBSS ? "adhoc" : 5054 mode == MODE_STA_ESS ? get_rmode(ai->config.rmode): 5055 mode == MODE_AP ? "AP" : 5056 mode == MODE_AP_RPTR ? "AP RPTR" : "Error", 5057 test_bit(FLAG_RADIO_OFF, &ai->flags) ? "off" : "on", 5058 ai->config.nodeName, 5059 ai->config.powerSaveMode == POWERSAVE_CAM ? "CAM" : 5060 ai->config.powerSaveMode == POWERSAVE_PSP ? "PSP" : 5061 ai->config.powerSaveMode == POWERSAVE_PSPCAM ? "PSPCAM" : 5062 "Error", 5063 (int)ai->config.rates[0], 5064 (int)ai->config.rates[1], 5065 (int)ai->config.rates[2], 5066 (int)ai->config.rates[3], 5067 (int)ai->config.rates[4], 5068 (int)ai->config.rates[5], 5069 (int)ai->config.rates[6], 5070 (int)ai->config.rates[7], 5071 le16_to_cpu(ai->config.channelSet), 5072 le16_to_cpu(ai->config.txPower) 5073 ); 5074 sprintf(data->rbuffer + i, 5075 "LongRetryLimit: %d\n" 5076 "ShortRetryLimit: %d\n" 5077 "RTSThreshold: %d\n" 5078 "TXMSDULifetime: %d\n" 5079 "RXMSDULifetime: %d\n" 5080 "TXDiversity: %s\n" 5081 "RXDiversity: %s\n" 5082 "FragThreshold: %d\n" 5083 "WEP: %s\n" 5084 "Modulation: %s\n" 5085 "Preamble: %s\n", 5086 le16_to_cpu(ai->config.longRetryLimit), 5087 le16_to_cpu(ai->config.shortRetryLimit), 5088 le16_to_cpu(ai->config.rtsThres), 5089 le16_to_cpu(ai->config.txLifetime), 5090 le16_to_cpu(ai->config.rxLifetime), 5091 ai->config.txDiversity == 1 ? "left" : 5092 ai->config.txDiversity == 2 ? "right" : "both", 5093 ai->config.rxDiversity == 1 ? "left" : 5094 ai->config.rxDiversity == 2 ? "right" : "both", 5095 le16_to_cpu(ai->config.fragThresh), 5096 ai->config.authType == AUTH_ENCRYPT ? "encrypt" : 5097 ai->config.authType == AUTH_SHAREDKEY ? "shared" : "open", 5098 ai->config.modulation == MOD_DEFAULT ? "default" : 5099 ai->config.modulation == MOD_CCK ? "cck" : 5100 ai->config.modulation == MOD_MOK ? "mok" : "error", 5101 ai->config.preamble == PREAMBLE_AUTO ? "auto" : 5102 ai->config.preamble == PREAMBLE_LONG ? "long" : 5103 ai->config.preamble == PREAMBLE_SHORT ? "short" : "error" 5104 ); 5105 data->readlen = strlen(data->rbuffer); 5106 return 0; 5107 } 5108 5109 static void proc_SSID_on_close(struct inode *inode, struct file *file) 5110 { 5111 struct proc_data *data = file->private_data; 5112 struct net_device *dev = PDE_DATA(inode); 5113 struct airo_info *ai = dev->ml_priv; 5114 SsidRid SSID_rid; 5115 int i; 5116 char *p = data->wbuffer; 5117 char *end = p + data->writelen; 5118 5119 if (!data->writelen) 5120 return; 5121 5122 *end = '\n'; /* sentinel; we have space for it */ 5123 5124 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5125 5126 for (i = 0; i < 3 && p < end; i++) { 5127 int j = 0; 5128 /* copy up to 32 characters from this line */ 5129 while (*p != '\n' && j < 32) 5130 SSID_rid.ssids[i].ssid[j++] = *p++; 5131 if (j == 0) 5132 break; 5133 SSID_rid.ssids[i].len = cpu_to_le16(j); 5134 /* skip to the beginning of the next line */ 5135 while (*p++ != '\n') 5136 ; 5137 } 5138 if (i) 5139 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5140 disable_MAC(ai, 1); 5141 writeSsidRid(ai, &SSID_rid, 1); 5142 enable_MAC(ai, 1); 5143 } 5144 5145 static void proc_APList_on_close(struct inode *inode, struct file *file) 5146 { 5147 struct proc_data *data = file->private_data; 5148 struct net_device *dev = PDE_DATA(inode); 5149 struct airo_info *ai = dev->ml_priv; 5150 APListRid *APList_rid = &ai->APList; 5151 int i; 5152 5153 if (!data->writelen) return; 5154 5155 memset(APList_rid, 0, sizeof(*APList_rid)); 5156 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5157 5158 for (i = 0; i < 4 && data->writelen >= (i + 1) * 6 * 3; i++) 5159 mac_pton(data->wbuffer + i * 6 * 3, APList_rid->ap[i]); 5160 5161 disable_MAC(ai, 1); 5162 writeAPListRid(ai, APList_rid, 1); 5163 enable_MAC(ai, 1); 5164 } 5165 5166 /* This function wraps PC4500_writerid with a MAC disable */ 5167 static int do_writerid(struct airo_info *ai, u16 rid, const void *rid_data, 5168 int len, int dummy) 5169 { 5170 int rc; 5171 5172 disable_MAC(ai, 1); 5173 rc = PC4500_writerid(ai, rid, rid_data, len, 1); 5174 enable_MAC(ai, 1); 5175 return rc; 5176 } 5177 5178 /* Returns the WEP key at the specified index, or -1 if that key does 5179 * not exist. The buffer is assumed to be at least 16 bytes in length. 5180 */ 5181 static int get_wep_key(struct airo_info *ai, u16 index, char *buf, u16 buflen) 5182 { 5183 WepKeyRid wkr; 5184 int rc; 5185 __le16 lastindex; 5186 5187 rc = readWepKeyRid(ai, &wkr, 1, 1); 5188 if (rc != SUCCESS) 5189 return -1; 5190 do { 5191 lastindex = wkr.kindex; 5192 if (le16_to_cpu(wkr.kindex) == index) { 5193 int klen = min_t(int, buflen, le16_to_cpu(wkr.klen)); 5194 memcpy(buf, wkr.key, klen); 5195 return klen; 5196 } 5197 rc = readWepKeyRid(ai, &wkr, 0, 1); 5198 if (rc != SUCCESS) 5199 return -1; 5200 } while (lastindex != wkr.kindex); 5201 return -1; 5202 } 5203 5204 static int get_wep_tx_idx(struct airo_info *ai) 5205 { 5206 WepKeyRid wkr; 5207 int rc; 5208 __le16 lastindex; 5209 5210 rc = readWepKeyRid(ai, &wkr, 1, 1); 5211 if (rc != SUCCESS) 5212 return -1; 5213 do { 5214 lastindex = wkr.kindex; 5215 if (wkr.kindex == cpu_to_le16(0xffff)) 5216 return wkr.mac[0]; 5217 rc = readWepKeyRid(ai, &wkr, 0, 1); 5218 if (rc != SUCCESS) 5219 return -1; 5220 } while (lastindex != wkr.kindex); 5221 return -1; 5222 } 5223 5224 static int set_wep_key(struct airo_info *ai, u16 index, const char *key, 5225 u16 keylen, int perm, int lock) 5226 { 5227 static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 }; 5228 WepKeyRid wkr; 5229 int rc; 5230 5231 if (WARN_ON(keylen == 0)) 5232 return -1; 5233 5234 memset(&wkr, 0, sizeof(wkr)); 5235 wkr.len = cpu_to_le16(sizeof(wkr)); 5236 wkr.kindex = cpu_to_le16(index); 5237 wkr.klen = cpu_to_le16(keylen); 5238 memcpy(wkr.key, key, keylen); 5239 memcpy(wkr.mac, macaddr, ETH_ALEN); 5240 5241 if (perm) disable_MAC(ai, lock); 5242 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5243 if (perm) enable_MAC(ai, lock); 5244 return rc; 5245 } 5246 5247 static int set_wep_tx_idx(struct airo_info *ai, u16 index, int perm, int lock) 5248 { 5249 WepKeyRid wkr; 5250 int rc; 5251 5252 memset(&wkr, 0, sizeof(wkr)); 5253 wkr.len = cpu_to_le16(sizeof(wkr)); 5254 wkr.kindex = cpu_to_le16(0xffff); 5255 wkr.mac[0] = (char)index; 5256 5257 if (perm) { 5258 ai->defindex = (char)index; 5259 disable_MAC(ai, lock); 5260 } 5261 5262 rc = writeWepKeyRid(ai, &wkr, perm, lock); 5263 5264 if (perm) 5265 enable_MAC(ai, lock); 5266 return rc; 5267 } 5268 5269 static void proc_wepkey_on_close(struct inode *inode, struct file *file) 5270 { 5271 struct proc_data *data; 5272 struct net_device *dev = PDE_DATA(inode); 5273 struct airo_info *ai = dev->ml_priv; 5274 int i, rc; 5275 char key[16]; 5276 u16 index = 0; 5277 int j = 0; 5278 5279 memset(key, 0, sizeof(key)); 5280 5281 data = file->private_data; 5282 if (!data->writelen) return; 5283 5284 if (data->wbuffer[0] >= '0' && data->wbuffer[0] <= '3' && 5285 (data->wbuffer[1] == ' ' || data->wbuffer[1] == '\n')) { 5286 index = data->wbuffer[0] - '0'; 5287 if (data->wbuffer[1] == '\n') { 5288 rc = set_wep_tx_idx(ai, index, 1, 1); 5289 if (rc < 0) { 5290 airo_print_err(ai->dev->name, "failed to set " 5291 "WEP transmit index to %d: %d.", 5292 index, rc); 5293 } 5294 return; 5295 } 5296 j = 2; 5297 } else { 5298 airo_print_err(ai->dev->name, "WepKey passed invalid key index"); 5299 return; 5300 } 5301 5302 for (i = 0; i < 16*3 && data->wbuffer[i+j]; i++) { 5303 switch(i%3) { 5304 case 0: 5305 key[i/3] = hex_to_bin(data->wbuffer[i+j])<<4; 5306 break; 5307 case 1: 5308 key[i/3] |= hex_to_bin(data->wbuffer[i+j]); 5309 break; 5310 } 5311 } 5312 5313 rc = set_wep_key(ai, index, key, i/3, 1, 1); 5314 if (rc < 0) { 5315 airo_print_err(ai->dev->name, "failed to set WEP key at index " 5316 "%d: %d.", index, rc); 5317 } 5318 } 5319 5320 static int proc_wepkey_open(struct inode *inode, struct file *file) 5321 { 5322 struct proc_data *data; 5323 struct net_device *dev = PDE_DATA(inode); 5324 struct airo_info *ai = dev->ml_priv; 5325 char *ptr; 5326 WepKeyRid wkr; 5327 __le16 lastindex; 5328 int j = 0; 5329 int rc; 5330 5331 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5332 return -ENOMEM; 5333 memset(&wkr, 0, sizeof(wkr)); 5334 data = file->private_data; 5335 if ((data->rbuffer = kzalloc(180, GFP_KERNEL)) == NULL) { 5336 kfree (file->private_data); 5337 return -ENOMEM; 5338 } 5339 data->writelen = 0; 5340 data->maxwritelen = 80; 5341 if ((data->wbuffer = kzalloc(80, GFP_KERNEL)) == NULL) { 5342 kfree (data->rbuffer); 5343 kfree (file->private_data); 5344 return -ENOMEM; 5345 } 5346 data->on_close = proc_wepkey_on_close; 5347 5348 ptr = data->rbuffer; 5349 strcpy(ptr, "No wep keys\n"); 5350 rc = readWepKeyRid(ai, &wkr, 1, 1); 5351 if (rc == SUCCESS) do { 5352 lastindex = wkr.kindex; 5353 if (wkr.kindex == cpu_to_le16(0xffff)) { 5354 j += sprintf(ptr+j, "Tx key = %d\n", 5355 (int)wkr.mac[0]); 5356 } else { 5357 j += sprintf(ptr+j, "Key %d set with length = %d\n", 5358 le16_to_cpu(wkr.kindex), 5359 le16_to_cpu(wkr.klen)); 5360 } 5361 readWepKeyRid(ai, &wkr, 0, 1); 5362 } while ((lastindex != wkr.kindex) && (j < 180-30)); 5363 5364 data->readlen = strlen(data->rbuffer); 5365 return 0; 5366 } 5367 5368 static int proc_SSID_open(struct inode *inode, struct file *file) 5369 { 5370 struct proc_data *data; 5371 struct net_device *dev = PDE_DATA(inode); 5372 struct airo_info *ai = dev->ml_priv; 5373 int i; 5374 char *ptr; 5375 SsidRid SSID_rid; 5376 5377 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5378 return -ENOMEM; 5379 data = file->private_data; 5380 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5381 kfree (file->private_data); 5382 return -ENOMEM; 5383 } 5384 data->writelen = 0; 5385 data->maxwritelen = 33*3; 5386 /* allocate maxwritelen + 1; we'll want a sentinel */ 5387 if ((data->wbuffer = kzalloc(33*3 + 1, GFP_KERNEL)) == NULL) { 5388 kfree (data->rbuffer); 5389 kfree (file->private_data); 5390 return -ENOMEM; 5391 } 5392 data->on_close = proc_SSID_on_close; 5393 5394 readSsidRid(ai, &SSID_rid); 5395 ptr = data->rbuffer; 5396 for (i = 0; i < 3; i++) { 5397 int j; 5398 size_t len = le16_to_cpu(SSID_rid.ssids[i].len); 5399 if (!len) 5400 break; 5401 if (len > 32) 5402 len = 32; 5403 for (j = 0; j < len && SSID_rid.ssids[i].ssid[j]; j++) 5404 *ptr++ = SSID_rid.ssids[i].ssid[j]; 5405 *ptr++ = '\n'; 5406 } 5407 *ptr = '\0'; 5408 data->readlen = strlen(data->rbuffer); 5409 return 0; 5410 } 5411 5412 static int proc_APList_open(struct inode *inode, struct file *file) 5413 { 5414 struct proc_data *data; 5415 struct net_device *dev = PDE_DATA(inode); 5416 struct airo_info *ai = dev->ml_priv; 5417 int i; 5418 char *ptr; 5419 APListRid *APList_rid = &ai->APList; 5420 5421 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5422 return -ENOMEM; 5423 data = file->private_data; 5424 if ((data->rbuffer = kmalloc(104, GFP_KERNEL)) == NULL) { 5425 kfree (file->private_data); 5426 return -ENOMEM; 5427 } 5428 data->writelen = 0; 5429 data->maxwritelen = 4*6*3; 5430 if ((data->wbuffer = kzalloc(data->maxwritelen, GFP_KERNEL)) == NULL) { 5431 kfree (data->rbuffer); 5432 kfree (file->private_data); 5433 return -ENOMEM; 5434 } 5435 data->on_close = proc_APList_on_close; 5436 5437 ptr = data->rbuffer; 5438 for (i = 0; i < 4; i++) { 5439 // We end when we find a zero MAC 5440 if (!*(int*)APList_rid->ap[i] && 5441 !*(int*)&APList_rid->ap[i][2]) break; 5442 ptr += sprintf(ptr, "%pM\n", APList_rid->ap[i]); 5443 } 5444 if (i==0) ptr += sprintf(ptr, "Not using specific APs\n"); 5445 5446 *ptr = '\0'; 5447 data->readlen = strlen(data->rbuffer); 5448 return 0; 5449 } 5450 5451 static int proc_BSSList_open(struct inode *inode, struct file *file) 5452 { 5453 struct proc_data *data; 5454 struct net_device *dev = PDE_DATA(inode); 5455 struct airo_info *ai = dev->ml_priv; 5456 char *ptr; 5457 BSSListRid BSSList_rid; 5458 int rc; 5459 /* If doLoseSync is not 1, we won't do a Lose Sync */ 5460 int doLoseSync = -1; 5461 5462 if ((file->private_data = kzalloc(sizeof(struct proc_data), GFP_KERNEL)) == NULL) 5463 return -ENOMEM; 5464 data = file->private_data; 5465 if ((data->rbuffer = kmalloc(1024, GFP_KERNEL)) == NULL) { 5466 kfree (file->private_data); 5467 return -ENOMEM; 5468 } 5469 data->writelen = 0; 5470 data->maxwritelen = 0; 5471 data->wbuffer = NULL; 5472 data->on_close = NULL; 5473 5474 if (file->f_mode & FMODE_WRITE) { 5475 if (!(file->f_mode & FMODE_READ)) { 5476 Cmd cmd; 5477 Resp rsp; 5478 5479 if (ai->flags & FLAG_RADIO_MASK) { 5480 kfree(data->rbuffer); 5481 kfree(file->private_data); 5482 return -ENETDOWN; 5483 } 5484 memset(&cmd, 0, sizeof(cmd)); 5485 cmd.cmd = CMD_LISTBSS; 5486 if (down_interruptible(&ai->sem)) { 5487 kfree(data->rbuffer); 5488 kfree(file->private_data); 5489 return -ERESTARTSYS; 5490 } 5491 issuecommand(ai, &cmd, &rsp, true); 5492 up(&ai->sem); 5493 data->readlen = 0; 5494 return 0; 5495 } 5496 doLoseSync = 1; 5497 } 5498 ptr = data->rbuffer; 5499 /* There is a race condition here if there are concurrent opens. 5500 Since it is a rare condition, we'll just live with it, otherwise 5501 we have to add a spin lock... */ 5502 rc = readBSSListRid(ai, doLoseSync, &BSSList_rid); 5503 while (rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) { 5504 ptr += sprintf(ptr, "%pM %.*s rssi = %d", 5505 BSSList_rid.bssid, 5506 (int)BSSList_rid.ssidLen, 5507 BSSList_rid.ssid, 5508 le16_to_cpu(BSSList_rid.dBm)); 5509 ptr += sprintf(ptr, " channel = %d %s %s %s %s\n", 5510 le16_to_cpu(BSSList_rid.dsChannel), 5511 BSSList_rid.cap & CAP_ESS ? "ESS" : "", 5512 BSSList_rid.cap & CAP_IBSS ? "adhoc" : "", 5513 BSSList_rid.cap & CAP_PRIVACY ? "wep" : "", 5514 BSSList_rid.cap & CAP_SHORTHDR ? "shorthdr" : ""); 5515 rc = readBSSListRid(ai, 0, &BSSList_rid); 5516 } 5517 *ptr = '\0'; 5518 data->readlen = strlen(data->rbuffer); 5519 return 0; 5520 } 5521 5522 static int proc_close(struct inode *inode, struct file *file) 5523 { 5524 struct proc_data *data = file->private_data; 5525 5526 if (data->on_close != NULL) 5527 data->on_close(inode, file); 5528 kfree(data->rbuffer); 5529 kfree(data->wbuffer); 5530 kfree(data); 5531 return 0; 5532 } 5533 5534 /* Since the card doesn't automatically switch to the right WEP mode, 5535 we will make it do it. If the card isn't associated, every secs we 5536 will switch WEP modes to see if that will help. If the card is 5537 associated we will check every minute to see if anything has 5538 changed. */ 5539 static void timer_func(struct net_device *dev) 5540 { 5541 struct airo_info *apriv = dev->ml_priv; 5542 5543 /* We don't have a link so try changing the authtype */ 5544 readConfigRid(apriv, 0); 5545 disable_MAC(apriv, 0); 5546 switch(apriv->config.authType) { 5547 case AUTH_ENCRYPT: 5548 /* So drop to OPEN */ 5549 apriv->config.authType = AUTH_OPEN; 5550 break; 5551 case AUTH_SHAREDKEY: 5552 if (apriv->keyindex < auto_wep) { 5553 set_wep_tx_idx(apriv, apriv->keyindex, 0, 0); 5554 apriv->config.authType = AUTH_SHAREDKEY; 5555 apriv->keyindex++; 5556 } else { 5557 /* Drop to ENCRYPT */ 5558 apriv->keyindex = 0; 5559 set_wep_tx_idx(apriv, apriv->defindex, 0, 0); 5560 apriv->config.authType = AUTH_ENCRYPT; 5561 } 5562 break; 5563 default: /* We'll escalate to SHAREDKEY */ 5564 apriv->config.authType = AUTH_SHAREDKEY; 5565 } 5566 set_bit (FLAG_COMMIT, &apriv->flags); 5567 writeConfigRid(apriv, 0); 5568 enable_MAC(apriv, 0); 5569 up(&apriv->sem); 5570 5571 /* Schedule check to see if the change worked */ 5572 clear_bit(JOB_AUTOWEP, &apriv->jobs); 5573 apriv->expires = RUN_AT(HZ*3); 5574 } 5575 5576 #ifdef CONFIG_PCI 5577 static int airo_pci_probe(struct pci_dev *pdev, 5578 const struct pci_device_id *pent) 5579 { 5580 struct net_device *dev; 5581 5582 if (pci_enable_device(pdev)) 5583 return -ENODEV; 5584 pci_set_master(pdev); 5585 5586 if (pdev->device == 0x5000 || pdev->device == 0xa504) 5587 dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev); 5588 else 5589 dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev); 5590 if (!dev) { 5591 pci_disable_device(pdev); 5592 return -ENODEV; 5593 } 5594 5595 pci_set_drvdata(pdev, dev); 5596 return 0; 5597 } 5598 5599 static void airo_pci_remove(struct pci_dev *pdev) 5600 { 5601 struct net_device *dev = pci_get_drvdata(pdev); 5602 5603 airo_print_info(dev->name, "Unregistering..."); 5604 stop_airo_card(dev, 1); 5605 pci_disable_device(pdev); 5606 } 5607 5608 static int __maybe_unused airo_pci_suspend(struct device *dev_d) 5609 { 5610 struct net_device *dev = dev_get_drvdata(dev_d); 5611 struct airo_info *ai = dev->ml_priv; 5612 Cmd cmd; 5613 Resp rsp; 5614 5615 if (!ai->SSID) 5616 ai->SSID = kmalloc(sizeof(SsidRid), GFP_KERNEL); 5617 if (!ai->SSID) 5618 return -ENOMEM; 5619 readSsidRid(ai, ai->SSID); 5620 memset(&cmd, 0, sizeof(cmd)); 5621 /* the lock will be released at the end of the resume callback */ 5622 if (down_interruptible(&ai->sem)) 5623 return -EAGAIN; 5624 disable_MAC(ai, 0); 5625 netif_device_detach(dev); 5626 ai->power = PMSG_SUSPEND; 5627 cmd.cmd = HOSTSLEEP; 5628 issuecommand(ai, &cmd, &rsp, true); 5629 5630 device_wakeup_enable(dev_d); 5631 return 0; 5632 } 5633 5634 static int __maybe_unused airo_pci_resume(struct device *dev_d) 5635 { 5636 struct net_device *dev = dev_get_drvdata(dev_d); 5637 struct airo_info *ai = dev->ml_priv; 5638 pci_power_t prev_state = to_pci_dev(dev_d)->current_state; 5639 5640 device_wakeup_disable(dev_d); 5641 5642 if (prev_state != PCI_D1) { 5643 reset_card(dev, 0); 5644 mpi_init_descriptors(ai); 5645 setup_card(ai, dev->dev_addr, 0); 5646 clear_bit(FLAG_RADIO_OFF, &ai->flags); 5647 clear_bit(FLAG_PENDING_XMIT, &ai->flags); 5648 } else { 5649 OUT4500(ai, EVACK, EV_AWAKEN); 5650 OUT4500(ai, EVACK, EV_AWAKEN); 5651 msleep(100); 5652 } 5653 5654 set_bit(FLAG_COMMIT, &ai->flags); 5655 disable_MAC(ai, 0); 5656 msleep(200); 5657 if (ai->SSID) { 5658 writeSsidRid(ai, ai->SSID, 0); 5659 kfree(ai->SSID); 5660 ai->SSID = NULL; 5661 } 5662 writeAPListRid(ai, &ai->APList, 0); 5663 writeConfigRid(ai, 0); 5664 enable_MAC(ai, 0); 5665 ai->power = PMSG_ON; 5666 netif_device_attach(dev); 5667 netif_wake_queue(dev); 5668 enable_interrupts(ai); 5669 up(&ai->sem); 5670 return 0; 5671 } 5672 #endif 5673 5674 static int __init airo_init_module(void) 5675 { 5676 int i; 5677 5678 proc_kuid = make_kuid(&init_user_ns, proc_uid); 5679 proc_kgid = make_kgid(&init_user_ns, proc_gid); 5680 if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid)) 5681 return -EINVAL; 5682 5683 airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL); 5684 5685 if (airo_entry) 5686 proc_set_user(airo_entry, proc_kuid, proc_kgid); 5687 5688 for (i = 0; i < 4 && io[i] && irq[i]; i++) { 5689 airo_print_info("", "Trying to configure ISA adapter at irq=%d " 5690 "io = 0x%x", irq[i], io[i]); 5691 if (init_airo_card(irq[i], io[i], 0, NULL)) { 5692 /* do nothing */ ; 5693 } 5694 } 5695 5696 #ifdef CONFIG_PCI 5697 airo_print_info("", "Probing for PCI adapters"); 5698 i = pci_register_driver(&airo_driver); 5699 airo_print_info("", "Finished probing for PCI adapters"); 5700 5701 if (i) { 5702 remove_proc_entry("driver/aironet", NULL); 5703 return i; 5704 } 5705 #endif 5706 5707 /* Always exit with success, as we are a library module 5708 * as well as a driver module 5709 */ 5710 return 0; 5711 } 5712 5713 static void __exit airo_cleanup_module(void) 5714 { 5715 struct airo_info *ai; 5716 while (!list_empty(&airo_devices)) { 5717 ai = list_entry(airo_devices.next, struct airo_info, dev_list); 5718 airo_print_info(ai->dev->name, "Unregistering..."); 5719 stop_airo_card(ai->dev, 1); 5720 } 5721 #ifdef CONFIG_PCI 5722 pci_unregister_driver(&airo_driver); 5723 #endif 5724 remove_proc_entry("driver/aironet", NULL); 5725 } 5726 5727 /* 5728 * Initial Wireless Extension code for Aironet driver by : 5729 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00 5730 * Conversion to new driver API by : 5731 * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 26 March 02 5732 * Javier also did a good amount of work here, adding some new extensions 5733 * and fixing my code. Let's just say that without him this code just 5734 * would not work at all... - Jean II 5735 */ 5736 5737 static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi) 5738 { 5739 if (!rssi_rid) 5740 return 0; 5741 5742 return (0x100 - rssi_rid[rssi].rssidBm); 5743 } 5744 5745 static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm) 5746 { 5747 int i; 5748 5749 if (!rssi_rid) 5750 return 0; 5751 5752 for (i = 0; i < 256; i++) 5753 if (rssi_rid[i].rssidBm == dbm) 5754 return rssi_rid[i].rssipct; 5755 5756 return 0; 5757 } 5758 5759 5760 static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid) 5761 { 5762 int quality = 0; 5763 u16 sq; 5764 5765 if ((status_rid->mode & cpu_to_le16(0x3f)) != cpu_to_le16(0x3f)) 5766 return 0; 5767 5768 if (!(cap_rid->hardCap & cpu_to_le16(8))) 5769 return 0; 5770 5771 sq = le16_to_cpu(status_rid->signalQuality); 5772 if (memcmp(cap_rid->prodName, "350", 3)) 5773 if (sq > 0x20) 5774 quality = 0; 5775 else 5776 quality = 0x20 - sq; 5777 else 5778 if (sq > 0xb0) 5779 quality = 0; 5780 else if (sq < 0x10) 5781 quality = 0xa0; 5782 else 5783 quality = 0xb0 - sq; 5784 return quality; 5785 } 5786 5787 #define airo_get_max_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x20 : 0xa0) 5788 #define airo_get_avg_quality(cap_rid) (memcmp((cap_rid)->prodName, "350", 3) ? 0x10 : 0x50) 5789 5790 /*------------------------------------------------------------------*/ 5791 /* 5792 * Wireless Handler : get protocol name 5793 */ 5794 static int airo_get_name(struct net_device *dev, 5795 struct iw_request_info *info, 5796 char *cwrq, 5797 char *extra) 5798 { 5799 strcpy(cwrq, "IEEE 802.11-DS"); 5800 return 0; 5801 } 5802 5803 /*------------------------------------------------------------------*/ 5804 /* 5805 * Wireless Handler : set frequency 5806 */ 5807 static int airo_set_freq(struct net_device *dev, 5808 struct iw_request_info *info, 5809 struct iw_freq *fwrq, 5810 char *extra) 5811 { 5812 struct airo_info *local = dev->ml_priv; 5813 int rc = -EINPROGRESS; /* Call commit handler */ 5814 5815 /* If setting by frequency, convert to a channel */ 5816 if (fwrq->e == 1) { 5817 int f = fwrq->m / 100000; 5818 5819 /* Hack to fall through... */ 5820 fwrq->e = 0; 5821 fwrq->m = ieee80211_frequency_to_channel(f); 5822 } 5823 /* Setting by channel number */ 5824 if (fwrq->m < 0 || fwrq->m > 1000 || fwrq->e > 0) 5825 rc = -EOPNOTSUPP; 5826 else { 5827 int channel = fwrq->m; 5828 /* We should do a better check than that, 5829 * based on the card capability !!! */ 5830 if ((channel < 1) || (channel > 14)) { 5831 airo_print_dbg(dev->name, "New channel value of %d is invalid!", 5832 fwrq->m); 5833 rc = -EINVAL; 5834 } else { 5835 readConfigRid(local, 1); 5836 /* Yes ! We can set it !!! */ 5837 local->config.channelSet = cpu_to_le16(channel); 5838 set_bit (FLAG_COMMIT, &local->flags); 5839 } 5840 } 5841 return rc; 5842 } 5843 5844 /*------------------------------------------------------------------*/ 5845 /* 5846 * Wireless Handler : get frequency 5847 */ 5848 static int airo_get_freq(struct net_device *dev, 5849 struct iw_request_info *info, 5850 struct iw_freq *fwrq, 5851 char *extra) 5852 { 5853 struct airo_info *local = dev->ml_priv; 5854 StatusRid status_rid; /* Card status info */ 5855 int ch; 5856 5857 readConfigRid(local, 1); 5858 if ((local->config.opmode & MODE_CFG_MASK) == MODE_STA_ESS) 5859 status_rid.channel = local->config.channelSet; 5860 else 5861 readStatusRid(local, &status_rid, 1); 5862 5863 ch = le16_to_cpu(status_rid.channel); 5864 if ((ch > 0) && (ch < 15)) { 5865 fwrq->m = 100000 * 5866 ieee80211_channel_to_frequency(ch, NL80211_BAND_2GHZ); 5867 fwrq->e = 1; 5868 } else { 5869 fwrq->m = ch; 5870 fwrq->e = 0; 5871 } 5872 5873 return 0; 5874 } 5875 5876 /*------------------------------------------------------------------*/ 5877 /* 5878 * Wireless Handler : set ESSID 5879 */ 5880 static int airo_set_essid(struct net_device *dev, 5881 struct iw_request_info *info, 5882 struct iw_point *dwrq, 5883 char *extra) 5884 { 5885 struct airo_info *local = dev->ml_priv; 5886 SsidRid SSID_rid; /* SSIDs */ 5887 5888 /* Reload the list of current SSID */ 5889 readSsidRid(local, &SSID_rid); 5890 5891 /* Check if we asked for `any' */ 5892 if (dwrq->flags == 0) { 5893 /* Just send an empty SSID list */ 5894 memset(&SSID_rid, 0, sizeof(SSID_rid)); 5895 } else { 5896 unsigned index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 5897 5898 /* Check the size of the string */ 5899 if (dwrq->length > IW_ESSID_MAX_SIZE) 5900 return -E2BIG ; 5901 5902 /* Check if index is valid */ 5903 if (index >= ARRAY_SIZE(SSID_rid.ssids)) 5904 return -EINVAL; 5905 5906 /* Set the SSID */ 5907 memset(SSID_rid.ssids[index].ssid, 0, 5908 sizeof(SSID_rid.ssids[index].ssid)); 5909 memcpy(SSID_rid.ssids[index].ssid, extra, dwrq->length); 5910 SSID_rid.ssids[index].len = cpu_to_le16(dwrq->length); 5911 } 5912 SSID_rid.len = cpu_to_le16(sizeof(SSID_rid)); 5913 /* Write it to the card */ 5914 disable_MAC(local, 1); 5915 writeSsidRid(local, &SSID_rid, 1); 5916 enable_MAC(local, 1); 5917 5918 return 0; 5919 } 5920 5921 /*------------------------------------------------------------------*/ 5922 /* 5923 * Wireless Handler : get ESSID 5924 */ 5925 static int airo_get_essid(struct net_device *dev, 5926 struct iw_request_info *info, 5927 struct iw_point *dwrq, 5928 char *extra) 5929 { 5930 struct airo_info *local = dev->ml_priv; 5931 StatusRid status_rid; /* Card status info */ 5932 5933 readStatusRid(local, &status_rid, 1); 5934 5935 /* Note : if dwrq->flags != 0, we should 5936 * get the relevant SSID from the SSID list... */ 5937 5938 /* Get the current SSID */ 5939 memcpy(extra, status_rid.SSID, le16_to_cpu(status_rid.SSIDlen)); 5940 /* If none, we may want to get the one that was set */ 5941 5942 /* Push it out ! */ 5943 dwrq->length = le16_to_cpu(status_rid.SSIDlen); 5944 dwrq->flags = 1; /* active */ 5945 5946 return 0; 5947 } 5948 5949 /*------------------------------------------------------------------*/ 5950 /* 5951 * Wireless Handler : set AP address 5952 */ 5953 static int airo_set_wap(struct net_device *dev, 5954 struct iw_request_info *info, 5955 struct sockaddr *awrq, 5956 char *extra) 5957 { 5958 struct airo_info *local = dev->ml_priv; 5959 Cmd cmd; 5960 Resp rsp; 5961 APListRid *APList_rid = &local->APList; 5962 5963 if (awrq->sa_family != ARPHRD_ETHER) 5964 return -EINVAL; 5965 else if (is_broadcast_ether_addr(awrq->sa_data) || 5966 is_zero_ether_addr(awrq->sa_data)) { 5967 memset(&cmd, 0, sizeof(cmd)); 5968 cmd.cmd = CMD_LOSE_SYNC; 5969 if (down_interruptible(&local->sem)) 5970 return -ERESTARTSYS; 5971 issuecommand(local, &cmd, &rsp, true); 5972 up(&local->sem); 5973 } else { 5974 memset(APList_rid, 0, sizeof(*APList_rid)); 5975 APList_rid->len = cpu_to_le16(sizeof(*APList_rid)); 5976 memcpy(APList_rid->ap[0], awrq->sa_data, ETH_ALEN); 5977 disable_MAC(local, 1); 5978 writeAPListRid(local, APList_rid, 1); 5979 enable_MAC(local, 1); 5980 } 5981 return 0; 5982 } 5983 5984 /*------------------------------------------------------------------*/ 5985 /* 5986 * Wireless Handler : get AP address 5987 */ 5988 static int airo_get_wap(struct net_device *dev, 5989 struct iw_request_info *info, 5990 struct sockaddr *awrq, 5991 char *extra) 5992 { 5993 struct airo_info *local = dev->ml_priv; 5994 StatusRid status_rid; /* Card status info */ 5995 5996 readStatusRid(local, &status_rid, 1); 5997 5998 /* Tentative. This seems to work, wow, I'm lucky !!! */ 5999 memcpy(awrq->sa_data, status_rid.bssid[0], ETH_ALEN); 6000 awrq->sa_family = ARPHRD_ETHER; 6001 6002 return 0; 6003 } 6004 6005 /*------------------------------------------------------------------*/ 6006 /* 6007 * Wireless Handler : set Nickname 6008 */ 6009 static int airo_set_nick(struct net_device *dev, 6010 struct iw_request_info *info, 6011 struct iw_point *dwrq, 6012 char *extra) 6013 { 6014 struct airo_info *local = dev->ml_priv; 6015 6016 /* Check the size of the string */ 6017 if (dwrq->length > 16) { 6018 return -E2BIG; 6019 } 6020 readConfigRid(local, 1); 6021 memset(local->config.nodeName, 0, sizeof(local->config.nodeName)); 6022 memcpy(local->config.nodeName, extra, dwrq->length); 6023 set_bit (FLAG_COMMIT, &local->flags); 6024 6025 return -EINPROGRESS; /* Call commit handler */ 6026 } 6027 6028 /*------------------------------------------------------------------*/ 6029 /* 6030 * Wireless Handler : get Nickname 6031 */ 6032 static int airo_get_nick(struct net_device *dev, 6033 struct iw_request_info *info, 6034 struct iw_point *dwrq, 6035 char *extra) 6036 { 6037 struct airo_info *local = dev->ml_priv; 6038 6039 readConfigRid(local, 1); 6040 strncpy(extra, local->config.nodeName, 16); 6041 extra[16] = '\0'; 6042 dwrq->length = strlen(extra); 6043 6044 return 0; 6045 } 6046 6047 /*------------------------------------------------------------------*/ 6048 /* 6049 * Wireless Handler : set Bit-Rate 6050 */ 6051 static int airo_set_rate(struct net_device *dev, 6052 struct iw_request_info *info, 6053 struct iw_param *vwrq, 6054 char *extra) 6055 { 6056 struct airo_info *local = dev->ml_priv; 6057 CapabilityRid cap_rid; /* Card capability info */ 6058 u8 brate = 0; 6059 int i; 6060 6061 /* First : get a valid bit rate value */ 6062 readCapabilityRid(local, &cap_rid, 1); 6063 6064 /* Which type of value ? */ 6065 if ((vwrq->value < 8) && (vwrq->value >= 0)) { 6066 /* Setting by rate index */ 6067 /* Find value in the magic rate table */ 6068 brate = cap_rid.supportedRates[vwrq->value]; 6069 } else { 6070 /* Setting by frequency value */ 6071 u8 normvalue = (u8) (vwrq->value/500000); 6072 6073 /* Check if rate is valid */ 6074 for (i = 0 ; i < 8 ; i++) { 6075 if (normvalue == cap_rid.supportedRates[i]) { 6076 brate = normvalue; 6077 break; 6078 } 6079 } 6080 } 6081 /* -1 designed the max rate (mostly auto mode) */ 6082 if (vwrq->value == -1) { 6083 /* Get the highest available rate */ 6084 for (i = 0 ; i < 8 ; i++) { 6085 if (cap_rid.supportedRates[i] == 0) 6086 break; 6087 } 6088 if (i != 0) 6089 brate = cap_rid.supportedRates[i - 1]; 6090 } 6091 /* Check that it is valid */ 6092 if (brate == 0) { 6093 return -EINVAL; 6094 } 6095 6096 readConfigRid(local, 1); 6097 /* Now, check if we want a fixed or auto value */ 6098 if (vwrq->fixed == 0) { 6099 /* Fill all the rates up to this max rate */ 6100 memset(local->config.rates, 0, 8); 6101 for (i = 0 ; i < 8 ; i++) { 6102 local->config.rates[i] = cap_rid.supportedRates[i]; 6103 if (local->config.rates[i] == brate) 6104 break; 6105 } 6106 } else { 6107 /* Fixed mode */ 6108 /* One rate, fixed */ 6109 memset(local->config.rates, 0, 8); 6110 local->config.rates[0] = brate; 6111 } 6112 set_bit (FLAG_COMMIT, &local->flags); 6113 6114 return -EINPROGRESS; /* Call commit handler */ 6115 } 6116 6117 /*------------------------------------------------------------------*/ 6118 /* 6119 * Wireless Handler : get Bit-Rate 6120 */ 6121 static int airo_get_rate(struct net_device *dev, 6122 struct iw_request_info *info, 6123 struct iw_param *vwrq, 6124 char *extra) 6125 { 6126 struct airo_info *local = dev->ml_priv; 6127 StatusRid status_rid; /* Card status info */ 6128 6129 readStatusRid(local, &status_rid, 1); 6130 6131 vwrq->value = le16_to_cpu(status_rid.currentXmitRate) * 500000; 6132 /* If more than one rate, set auto */ 6133 readConfigRid(local, 1); 6134 vwrq->fixed = (local->config.rates[1] == 0); 6135 6136 return 0; 6137 } 6138 6139 /*------------------------------------------------------------------*/ 6140 /* 6141 * Wireless Handler : set RTS threshold 6142 */ 6143 static int airo_set_rts(struct net_device *dev, 6144 struct iw_request_info *info, 6145 struct iw_param *vwrq, 6146 char *extra) 6147 { 6148 struct airo_info *local = dev->ml_priv; 6149 int rthr = vwrq->value; 6150 6151 if (vwrq->disabled) 6152 rthr = AIRO_DEF_MTU; 6153 if ((rthr < 0) || (rthr > AIRO_DEF_MTU)) { 6154 return -EINVAL; 6155 } 6156 readConfigRid(local, 1); 6157 local->config.rtsThres = cpu_to_le16(rthr); 6158 set_bit (FLAG_COMMIT, &local->flags); 6159 6160 return -EINPROGRESS; /* Call commit handler */ 6161 } 6162 6163 /*------------------------------------------------------------------*/ 6164 /* 6165 * Wireless Handler : get RTS threshold 6166 */ 6167 static int airo_get_rts(struct net_device *dev, 6168 struct iw_request_info *info, 6169 struct iw_param *vwrq, 6170 char *extra) 6171 { 6172 struct airo_info *local = dev->ml_priv; 6173 6174 readConfigRid(local, 1); 6175 vwrq->value = le16_to_cpu(local->config.rtsThres); 6176 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6177 vwrq->fixed = 1; 6178 6179 return 0; 6180 } 6181 6182 /*------------------------------------------------------------------*/ 6183 /* 6184 * Wireless Handler : set Fragmentation threshold 6185 */ 6186 static int airo_set_frag(struct net_device *dev, 6187 struct iw_request_info *info, 6188 struct iw_param *vwrq, 6189 char *extra) 6190 { 6191 struct airo_info *local = dev->ml_priv; 6192 int fthr = vwrq->value; 6193 6194 if (vwrq->disabled) 6195 fthr = AIRO_DEF_MTU; 6196 if ((fthr < 256) || (fthr > AIRO_DEF_MTU)) { 6197 return -EINVAL; 6198 } 6199 fthr &= ~0x1; /* Get an even value - is it really needed ??? */ 6200 readConfigRid(local, 1); 6201 local->config.fragThresh = cpu_to_le16(fthr); 6202 set_bit (FLAG_COMMIT, &local->flags); 6203 6204 return -EINPROGRESS; /* Call commit handler */ 6205 } 6206 6207 /*------------------------------------------------------------------*/ 6208 /* 6209 * Wireless Handler : get Fragmentation threshold 6210 */ 6211 static int airo_get_frag(struct net_device *dev, 6212 struct iw_request_info *info, 6213 struct iw_param *vwrq, 6214 char *extra) 6215 { 6216 struct airo_info *local = dev->ml_priv; 6217 6218 readConfigRid(local, 1); 6219 vwrq->value = le16_to_cpu(local->config.fragThresh); 6220 vwrq->disabled = (vwrq->value >= AIRO_DEF_MTU); 6221 vwrq->fixed = 1; 6222 6223 return 0; 6224 } 6225 6226 /*------------------------------------------------------------------*/ 6227 /* 6228 * Wireless Handler : set Mode of Operation 6229 */ 6230 static int airo_set_mode(struct net_device *dev, 6231 struct iw_request_info *info, 6232 __u32 *uwrq, 6233 char *extra) 6234 { 6235 struct airo_info *local = dev->ml_priv; 6236 int reset = 0; 6237 6238 readConfigRid(local, 1); 6239 if (sniffing_mode(local)) 6240 reset = 1; 6241 6242 switch(*uwrq) { 6243 case IW_MODE_ADHOC: 6244 local->config.opmode &= ~MODE_CFG_MASK; 6245 local->config.opmode |= MODE_STA_IBSS; 6246 local->config.rmode &= ~RXMODE_FULL_MASK; 6247 local->config.scanMode = SCANMODE_ACTIVE; 6248 clear_bit (FLAG_802_11, &local->flags); 6249 break; 6250 case IW_MODE_INFRA: 6251 local->config.opmode &= ~MODE_CFG_MASK; 6252 local->config.opmode |= MODE_STA_ESS; 6253 local->config.rmode &= ~RXMODE_FULL_MASK; 6254 local->config.scanMode = SCANMODE_ACTIVE; 6255 clear_bit (FLAG_802_11, &local->flags); 6256 break; 6257 case IW_MODE_MASTER: 6258 local->config.opmode &= ~MODE_CFG_MASK; 6259 local->config.opmode |= MODE_AP; 6260 local->config.rmode &= ~RXMODE_FULL_MASK; 6261 local->config.scanMode = SCANMODE_ACTIVE; 6262 clear_bit (FLAG_802_11, &local->flags); 6263 break; 6264 case IW_MODE_REPEAT: 6265 local->config.opmode &= ~MODE_CFG_MASK; 6266 local->config.opmode |= MODE_AP_RPTR; 6267 local->config.rmode &= ~RXMODE_FULL_MASK; 6268 local->config.scanMode = SCANMODE_ACTIVE; 6269 clear_bit (FLAG_802_11, &local->flags); 6270 break; 6271 case IW_MODE_MONITOR: 6272 local->config.opmode &= ~MODE_CFG_MASK; 6273 local->config.opmode |= MODE_STA_ESS; 6274 local->config.rmode &= ~RXMODE_FULL_MASK; 6275 local->config.rmode |= RXMODE_RFMON | RXMODE_DISABLE_802_3_HEADER; 6276 local->config.scanMode = SCANMODE_PASSIVE; 6277 set_bit (FLAG_802_11, &local->flags); 6278 break; 6279 default: 6280 return -EINVAL; 6281 } 6282 if (reset) 6283 set_bit (FLAG_RESET, &local->flags); 6284 set_bit (FLAG_COMMIT, &local->flags); 6285 6286 return -EINPROGRESS; /* Call commit handler */ 6287 } 6288 6289 /*------------------------------------------------------------------*/ 6290 /* 6291 * Wireless Handler : get Mode of Operation 6292 */ 6293 static int airo_get_mode(struct net_device *dev, 6294 struct iw_request_info *info, 6295 __u32 *uwrq, 6296 char *extra) 6297 { 6298 struct airo_info *local = dev->ml_priv; 6299 6300 readConfigRid(local, 1); 6301 /* If not managed, assume it's ad-hoc */ 6302 switch (local->config.opmode & MODE_CFG_MASK) { 6303 case MODE_STA_ESS: 6304 *uwrq = IW_MODE_INFRA; 6305 break; 6306 case MODE_AP: 6307 *uwrq = IW_MODE_MASTER; 6308 break; 6309 case MODE_AP_RPTR: 6310 *uwrq = IW_MODE_REPEAT; 6311 break; 6312 default: 6313 *uwrq = IW_MODE_ADHOC; 6314 } 6315 6316 return 0; 6317 } 6318 6319 static inline int valid_index(struct airo_info *ai, int index) 6320 { 6321 return (index >= 0) && (index <= ai->max_wep_idx); 6322 } 6323 6324 /*------------------------------------------------------------------*/ 6325 /* 6326 * Wireless Handler : set Encryption Key 6327 */ 6328 static int airo_set_encode(struct net_device *dev, 6329 struct iw_request_info *info, 6330 struct iw_point *dwrq, 6331 char *extra) 6332 { 6333 struct airo_info *local = dev->ml_priv; 6334 int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); 6335 __le16 currentAuthType = local->config.authType; 6336 int rc = 0; 6337 6338 if (!local->wep_capable) 6339 return -EOPNOTSUPP; 6340 6341 readConfigRid(local, 1); 6342 6343 /* Basic checking: do we have a key to set ? 6344 * Note : with the new API, it's impossible to get a NULL pointer. 6345 * Therefore, we need to check a key size == 0 instead. 6346 * New version of iwconfig properly set the IW_ENCODE_NOKEY flag 6347 * when no key is present (only change flags), but older versions 6348 * don't do it. - Jean II */ 6349 if (dwrq->length > 0) { 6350 wep_key_t key; 6351 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6352 int current_index; 6353 6354 /* Check the size of the key */ 6355 if (dwrq->length > MAX_KEY_SIZE) { 6356 return -EINVAL; 6357 } 6358 6359 current_index = get_wep_tx_idx(local); 6360 if (current_index < 0) 6361 current_index = 0; 6362 6363 /* Check the index (none -> use current) */ 6364 if (!valid_index(local, index)) 6365 index = current_index; 6366 6367 /* Set the length */ 6368 if (dwrq->length > MIN_KEY_SIZE) 6369 key.len = MAX_KEY_SIZE; 6370 else 6371 key.len = MIN_KEY_SIZE; 6372 /* Check if the key is not marked as invalid */ 6373 if (!(dwrq->flags & IW_ENCODE_NOKEY)) { 6374 /* Cleanup */ 6375 memset(key.key, 0, MAX_KEY_SIZE); 6376 /* Copy the key in the driver */ 6377 memcpy(key.key, extra, dwrq->length); 6378 /* Send the key to the card */ 6379 rc = set_wep_key(local, index, key.key, key.len, perm, 1); 6380 if (rc < 0) { 6381 airo_print_err(local->dev->name, "failed to set" 6382 " WEP key at index %d: %d.", 6383 index, rc); 6384 return rc; 6385 } 6386 } 6387 /* WE specify that if a valid key is set, encryption 6388 * should be enabled (user may turn it off later) 6389 * This is also how "iwconfig ethX key on" works */ 6390 if ((index == current_index) && (key.len > 0) && 6391 (local->config.authType == AUTH_OPEN)) 6392 set_auth_type(local, AUTH_ENCRYPT); 6393 } else { 6394 /* Do we want to just set the transmit key index ? */ 6395 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6396 if (valid_index(local, index)) { 6397 rc = set_wep_tx_idx(local, index, perm, 1); 6398 if (rc < 0) { 6399 airo_print_err(local->dev->name, "failed to set" 6400 " WEP transmit index to %d: %d.", 6401 index, rc); 6402 return rc; 6403 } 6404 } else { 6405 /* Don't complain if only change the mode */ 6406 if (!(dwrq->flags & IW_ENCODE_MODE)) 6407 return -EINVAL; 6408 } 6409 } 6410 /* Read the flags */ 6411 if (dwrq->flags & IW_ENCODE_DISABLED) 6412 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6413 if (dwrq->flags & IW_ENCODE_RESTRICTED) 6414 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6415 if (dwrq->flags & IW_ENCODE_OPEN) 6416 set_auth_type(local, AUTH_ENCRYPT); /* Only Wep */ 6417 /* Commit the changes to flags if needed */ 6418 if (local->config.authType != currentAuthType) 6419 set_bit (FLAG_COMMIT, &local->flags); 6420 return -EINPROGRESS; /* Call commit handler */ 6421 } 6422 6423 /*------------------------------------------------------------------*/ 6424 /* 6425 * Wireless Handler : get Encryption Key 6426 */ 6427 static int airo_get_encode(struct net_device *dev, 6428 struct iw_request_info *info, 6429 struct iw_point *dwrq, 6430 char *extra) 6431 { 6432 struct airo_info *local = dev->ml_priv; 6433 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 6434 int wep_key_len; 6435 u8 buf[16]; 6436 6437 if (!local->wep_capable) 6438 return -EOPNOTSUPP; 6439 6440 readConfigRid(local, 1); 6441 6442 /* Check encryption mode */ 6443 switch(local->config.authType) { 6444 case AUTH_ENCRYPT: 6445 dwrq->flags = IW_ENCODE_OPEN; 6446 break; 6447 case AUTH_SHAREDKEY: 6448 dwrq->flags = IW_ENCODE_RESTRICTED; 6449 break; 6450 default: 6451 case AUTH_OPEN: 6452 dwrq->flags = IW_ENCODE_DISABLED; 6453 break; 6454 } 6455 /* We can't return the key, so set the proper flag and return zero */ 6456 dwrq->flags |= IW_ENCODE_NOKEY; 6457 memset(extra, 0, 16); 6458 6459 /* Which key do we want ? -1 -> tx index */ 6460 if (!valid_index(local, index)) { 6461 index = get_wep_tx_idx(local); 6462 if (index < 0) 6463 index = 0; 6464 } 6465 dwrq->flags |= index + 1; 6466 6467 /* Copy the key to the user buffer */ 6468 wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf)); 6469 if (wep_key_len < 0) { 6470 dwrq->length = 0; 6471 } else { 6472 dwrq->length = wep_key_len; 6473 memcpy(extra, buf, dwrq->length); 6474 } 6475 6476 return 0; 6477 } 6478 6479 /*------------------------------------------------------------------*/ 6480 /* 6481 * Wireless Handler : set extended Encryption parameters 6482 */ 6483 static int airo_set_encodeext(struct net_device *dev, 6484 struct iw_request_info *info, 6485 union iwreq_data *wrqu, 6486 char *extra) 6487 { 6488 struct airo_info *local = dev->ml_priv; 6489 struct iw_point *encoding = &wrqu->encoding; 6490 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6491 int perm = (encoding->flags & IW_ENCODE_TEMP ? 0 : 1); 6492 __le16 currentAuthType = local->config.authType; 6493 int idx, key_len, alg = ext->alg, set_key = 1, rc; 6494 wep_key_t key; 6495 6496 if (!local->wep_capable) 6497 return -EOPNOTSUPP; 6498 6499 readConfigRid(local, 1); 6500 6501 /* Determine and validate the key index */ 6502 idx = encoding->flags & IW_ENCODE_INDEX; 6503 if (idx) { 6504 if (!valid_index(local, idx - 1)) 6505 return -EINVAL; 6506 idx--; 6507 } else { 6508 idx = get_wep_tx_idx(local); 6509 if (idx < 0) 6510 idx = 0; 6511 } 6512 6513 if (encoding->flags & IW_ENCODE_DISABLED) 6514 alg = IW_ENCODE_ALG_NONE; 6515 6516 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 6517 /* Only set transmit key index here, actual 6518 * key is set below if needed. 6519 */ 6520 rc = set_wep_tx_idx(local, idx, perm, 1); 6521 if (rc < 0) { 6522 airo_print_err(local->dev->name, "failed to set " 6523 "WEP transmit index to %d: %d.", 6524 idx, rc); 6525 return rc; 6526 } 6527 set_key = ext->key_len > 0 ? 1 : 0; 6528 } 6529 6530 if (set_key) { 6531 /* Set the requested key first */ 6532 memset(key.key, 0, MAX_KEY_SIZE); 6533 switch (alg) { 6534 case IW_ENCODE_ALG_NONE: 6535 key.len = 0; 6536 break; 6537 case IW_ENCODE_ALG_WEP: 6538 if (ext->key_len > MIN_KEY_SIZE) { 6539 key.len = MAX_KEY_SIZE; 6540 } else if (ext->key_len > 0) { 6541 key.len = MIN_KEY_SIZE; 6542 } else { 6543 return -EINVAL; 6544 } 6545 key_len = min (ext->key_len, key.len); 6546 memcpy(key.key, ext->key, key_len); 6547 break; 6548 default: 6549 return -EINVAL; 6550 } 6551 if (key.len == 0) { 6552 rc = set_wep_tx_idx(local, idx, perm, 1); 6553 if (rc < 0) { 6554 airo_print_err(local->dev->name, 6555 "failed to set WEP transmit index to %d: %d.", 6556 idx, rc); 6557 return rc; 6558 } 6559 } else { 6560 rc = set_wep_key(local, idx, key.key, key.len, perm, 1); 6561 if (rc < 0) { 6562 airo_print_err(local->dev->name, 6563 "failed to set WEP key at index %d: %d.", 6564 idx, rc); 6565 return rc; 6566 } 6567 } 6568 } 6569 6570 /* Read the flags */ 6571 if (encoding->flags & IW_ENCODE_DISABLED) 6572 set_auth_type(local, AUTH_OPEN); /* disable encryption */ 6573 if (encoding->flags & IW_ENCODE_RESTRICTED) 6574 set_auth_type(local, AUTH_SHAREDKEY); /* Only Both */ 6575 if (encoding->flags & IW_ENCODE_OPEN) 6576 set_auth_type(local, AUTH_ENCRYPT); 6577 /* Commit the changes to flags if needed */ 6578 if (local->config.authType != currentAuthType) 6579 set_bit (FLAG_COMMIT, &local->flags); 6580 6581 return -EINPROGRESS; 6582 } 6583 6584 6585 /*------------------------------------------------------------------*/ 6586 /* 6587 * Wireless Handler : get extended Encryption parameters 6588 */ 6589 static int airo_get_encodeext(struct net_device *dev, 6590 struct iw_request_info *info, 6591 union iwreq_data *wrqu, 6592 char *extra) 6593 { 6594 struct airo_info *local = dev->ml_priv; 6595 struct iw_point *encoding = &wrqu->encoding; 6596 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 6597 int idx, max_key_len, wep_key_len; 6598 u8 buf[16]; 6599 6600 if (!local->wep_capable) 6601 return -EOPNOTSUPP; 6602 6603 readConfigRid(local, 1); 6604 6605 max_key_len = encoding->length - sizeof(*ext); 6606 if (max_key_len < 0) 6607 return -EINVAL; 6608 6609 idx = encoding->flags & IW_ENCODE_INDEX; 6610 if (idx) { 6611 if (!valid_index(local, idx - 1)) 6612 return -EINVAL; 6613 idx--; 6614 } else { 6615 idx = get_wep_tx_idx(local); 6616 if (idx < 0) 6617 idx = 0; 6618 } 6619 6620 encoding->flags = idx + 1; 6621 memset(ext, 0, sizeof(*ext)); 6622 6623 /* Check encryption mode */ 6624 switch(local->config.authType) { 6625 case AUTH_ENCRYPT: 6626 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6627 break; 6628 case AUTH_SHAREDKEY: 6629 encoding->flags = IW_ENCODE_ALG_WEP | IW_ENCODE_ENABLED; 6630 break; 6631 default: 6632 case AUTH_OPEN: 6633 encoding->flags = IW_ENCODE_ALG_NONE | IW_ENCODE_DISABLED; 6634 break; 6635 } 6636 /* We can't return the key, so set the proper flag and return zero */ 6637 encoding->flags |= IW_ENCODE_NOKEY; 6638 memset(extra, 0, 16); 6639 6640 /* Copy the key to the user buffer */ 6641 wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf)); 6642 if (wep_key_len < 0) { 6643 ext->key_len = 0; 6644 } else { 6645 ext->key_len = wep_key_len; 6646 memcpy(extra, buf, ext->key_len); 6647 } 6648 6649 return 0; 6650 } 6651 6652 6653 /*------------------------------------------------------------------*/ 6654 /* 6655 * Wireless Handler : set extended authentication parameters 6656 */ 6657 static int airo_set_auth(struct net_device *dev, 6658 struct iw_request_info *info, 6659 union iwreq_data *wrqu, char *extra) 6660 { 6661 struct airo_info *local = dev->ml_priv; 6662 struct iw_param *param = &wrqu->param; 6663 __le16 currentAuthType = local->config.authType; 6664 6665 switch (param->flags & IW_AUTH_INDEX) { 6666 case IW_AUTH_WPA_VERSION: 6667 case IW_AUTH_CIPHER_PAIRWISE: 6668 case IW_AUTH_CIPHER_GROUP: 6669 case IW_AUTH_KEY_MGMT: 6670 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 6671 case IW_AUTH_PRIVACY_INVOKED: 6672 /* 6673 * airo does not use these parameters 6674 */ 6675 break; 6676 6677 case IW_AUTH_DROP_UNENCRYPTED: 6678 if (param->value) { 6679 /* Only change auth type if unencrypted */ 6680 if (currentAuthType == AUTH_OPEN) 6681 set_auth_type(local, AUTH_ENCRYPT); 6682 } else { 6683 set_auth_type(local, AUTH_OPEN); 6684 } 6685 6686 /* Commit the changes to flags if needed */ 6687 if (local->config.authType != currentAuthType) 6688 set_bit (FLAG_COMMIT, &local->flags); 6689 break; 6690 6691 case IW_AUTH_80211_AUTH_ALG: { 6692 if (param->value & IW_AUTH_ALG_SHARED_KEY) { 6693 set_auth_type(local, AUTH_SHAREDKEY); 6694 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { 6695 /* We don't know here if WEP open system or 6696 * unencrypted mode was requested - so use the 6697 * last mode (of these two) used last time 6698 */ 6699 set_auth_type(local, local->last_auth); 6700 } else 6701 return -EINVAL; 6702 6703 /* Commit the changes to flags if needed */ 6704 if (local->config.authType != currentAuthType) 6705 set_bit (FLAG_COMMIT, &local->flags); 6706 break; 6707 } 6708 6709 case IW_AUTH_WPA_ENABLED: 6710 /* Silently accept disable of WPA */ 6711 if (param->value > 0) 6712 return -EOPNOTSUPP; 6713 break; 6714 6715 default: 6716 return -EOPNOTSUPP; 6717 } 6718 return -EINPROGRESS; 6719 } 6720 6721 6722 /*------------------------------------------------------------------*/ 6723 /* 6724 * Wireless Handler : get extended authentication parameters 6725 */ 6726 static int airo_get_auth(struct net_device *dev, 6727 struct iw_request_info *info, 6728 union iwreq_data *wrqu, char *extra) 6729 { 6730 struct airo_info *local = dev->ml_priv; 6731 struct iw_param *param = &wrqu->param; 6732 __le16 currentAuthType = local->config.authType; 6733 6734 switch (param->flags & IW_AUTH_INDEX) { 6735 case IW_AUTH_DROP_UNENCRYPTED: 6736 switch (currentAuthType) { 6737 case AUTH_SHAREDKEY: 6738 case AUTH_ENCRYPT: 6739 param->value = 1; 6740 break; 6741 default: 6742 param->value = 0; 6743 break; 6744 } 6745 break; 6746 6747 case IW_AUTH_80211_AUTH_ALG: 6748 switch (currentAuthType) { 6749 case AUTH_SHAREDKEY: 6750 param->value = IW_AUTH_ALG_SHARED_KEY; 6751 break; 6752 case AUTH_ENCRYPT: 6753 default: 6754 param->value = IW_AUTH_ALG_OPEN_SYSTEM; 6755 break; 6756 } 6757 break; 6758 6759 case IW_AUTH_WPA_ENABLED: 6760 param->value = 0; 6761 break; 6762 6763 default: 6764 return -EOPNOTSUPP; 6765 } 6766 return 0; 6767 } 6768 6769 6770 /*------------------------------------------------------------------*/ 6771 /* 6772 * Wireless Handler : set Tx-Power 6773 */ 6774 static int airo_set_txpow(struct net_device *dev, 6775 struct iw_request_info *info, 6776 struct iw_param *vwrq, 6777 char *extra) 6778 { 6779 struct airo_info *local = dev->ml_priv; 6780 CapabilityRid cap_rid; /* Card capability info */ 6781 int i; 6782 int rc = -EINVAL; 6783 __le16 v = cpu_to_le16(vwrq->value); 6784 6785 readCapabilityRid(local, &cap_rid, 1); 6786 6787 if (vwrq->disabled) { 6788 set_bit (FLAG_RADIO_OFF, &local->flags); 6789 set_bit (FLAG_COMMIT, &local->flags); 6790 return -EINPROGRESS; /* Call commit handler */ 6791 } 6792 if (vwrq->flags != IW_TXPOW_MWATT) { 6793 return -EINVAL; 6794 } 6795 clear_bit (FLAG_RADIO_OFF, &local->flags); 6796 for (i = 0; i < 8 && cap_rid.txPowerLevels[i]; i++) 6797 if (v == cap_rid.txPowerLevels[i]) { 6798 readConfigRid(local, 1); 6799 local->config.txPower = v; 6800 set_bit (FLAG_COMMIT, &local->flags); 6801 rc = -EINPROGRESS; /* Call commit handler */ 6802 break; 6803 } 6804 return rc; 6805 } 6806 6807 /*------------------------------------------------------------------*/ 6808 /* 6809 * Wireless Handler : get Tx-Power 6810 */ 6811 static int airo_get_txpow(struct net_device *dev, 6812 struct iw_request_info *info, 6813 struct iw_param *vwrq, 6814 char *extra) 6815 { 6816 struct airo_info *local = dev->ml_priv; 6817 6818 readConfigRid(local, 1); 6819 vwrq->value = le16_to_cpu(local->config.txPower); 6820 vwrq->fixed = 1; /* No power control */ 6821 vwrq->disabled = test_bit(FLAG_RADIO_OFF, &local->flags); 6822 vwrq->flags = IW_TXPOW_MWATT; 6823 6824 return 0; 6825 } 6826 6827 /*------------------------------------------------------------------*/ 6828 /* 6829 * Wireless Handler : set Retry limits 6830 */ 6831 static int airo_set_retry(struct net_device *dev, 6832 struct iw_request_info *info, 6833 struct iw_param *vwrq, 6834 char *extra) 6835 { 6836 struct airo_info *local = dev->ml_priv; 6837 int rc = -EINVAL; 6838 6839 if (vwrq->disabled) { 6840 return -EINVAL; 6841 } 6842 readConfigRid(local, 1); 6843 if (vwrq->flags & IW_RETRY_LIMIT) { 6844 __le16 v = cpu_to_le16(vwrq->value); 6845 if (vwrq->flags & IW_RETRY_LONG) 6846 local->config.longRetryLimit = v; 6847 else if (vwrq->flags & IW_RETRY_SHORT) 6848 local->config.shortRetryLimit = v; 6849 else { 6850 /* No modifier : set both */ 6851 local->config.longRetryLimit = v; 6852 local->config.shortRetryLimit = v; 6853 } 6854 set_bit (FLAG_COMMIT, &local->flags); 6855 rc = -EINPROGRESS; /* Call commit handler */ 6856 } 6857 if (vwrq->flags & IW_RETRY_LIFETIME) { 6858 local->config.txLifetime = cpu_to_le16(vwrq->value / 1024); 6859 set_bit (FLAG_COMMIT, &local->flags); 6860 rc = -EINPROGRESS; /* Call commit handler */ 6861 } 6862 return rc; 6863 } 6864 6865 /*------------------------------------------------------------------*/ 6866 /* 6867 * Wireless Handler : get Retry limits 6868 */ 6869 static int airo_get_retry(struct net_device *dev, 6870 struct iw_request_info *info, 6871 struct iw_param *vwrq, 6872 char *extra) 6873 { 6874 struct airo_info *local = dev->ml_priv; 6875 6876 vwrq->disabled = 0; /* Can't be disabled */ 6877 6878 readConfigRid(local, 1); 6879 /* Note : by default, display the min retry number */ 6880 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { 6881 vwrq->flags = IW_RETRY_LIFETIME; 6882 vwrq->value = le16_to_cpu(local->config.txLifetime) * 1024; 6883 } else if ((vwrq->flags & IW_RETRY_LONG)) { 6884 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 6885 vwrq->value = le16_to_cpu(local->config.longRetryLimit); 6886 } else { 6887 vwrq->flags = IW_RETRY_LIMIT; 6888 vwrq->value = le16_to_cpu(local->config.shortRetryLimit); 6889 if (local->config.shortRetryLimit != local->config.longRetryLimit) 6890 vwrq->flags |= IW_RETRY_SHORT; 6891 } 6892 6893 return 0; 6894 } 6895 6896 /*------------------------------------------------------------------*/ 6897 /* 6898 * Wireless Handler : get range info 6899 */ 6900 static int airo_get_range(struct net_device *dev, 6901 struct iw_request_info *info, 6902 struct iw_point *dwrq, 6903 char *extra) 6904 { 6905 struct airo_info *local = dev->ml_priv; 6906 struct iw_range *range = (struct iw_range *) extra; 6907 CapabilityRid cap_rid; /* Card capability info */ 6908 int i; 6909 int k; 6910 6911 readCapabilityRid(local, &cap_rid, 1); 6912 6913 dwrq->length = sizeof(struct iw_range); 6914 memset(range, 0, sizeof(*range)); 6915 range->min_nwid = 0x0000; 6916 range->max_nwid = 0x0000; 6917 range->num_channels = 14; 6918 /* Should be based on cap_rid.country to give only 6919 * what the current card support */ 6920 k = 0; 6921 for (i = 0; i < 14; i++) { 6922 range->freq[k].i = i + 1; /* List index */ 6923 range->freq[k].m = 100000 * 6924 ieee80211_channel_to_frequency(i + 1, NL80211_BAND_2GHZ); 6925 range->freq[k++].e = 1; /* Values in MHz -> * 10^5 * 10 */ 6926 } 6927 range->num_frequency = k; 6928 6929 range->sensitivity = 65535; 6930 6931 /* Hum... Should put the right values there */ 6932 if (local->rssi) 6933 range->max_qual.qual = 100; /* % */ 6934 else 6935 range->max_qual.qual = airo_get_max_quality(&cap_rid); 6936 range->max_qual.level = 0x100 - 120; /* -120 dBm */ 6937 range->max_qual.noise = 0x100 - 120; /* -120 dBm */ 6938 6939 /* Experimental measurements - boundary 11/5.5 Mb/s */ 6940 /* Note : with or without the (local->rssi), results 6941 * are somewhat different. - Jean II */ 6942 if (local->rssi) { 6943 range->avg_qual.qual = 50; /* % */ 6944 range->avg_qual.level = 0x100 - 70; /* -70 dBm */ 6945 } else { 6946 range->avg_qual.qual = airo_get_avg_quality(&cap_rid); 6947 range->avg_qual.level = 0x100 - 80; /* -80 dBm */ 6948 } 6949 range->avg_qual.noise = 0x100 - 85; /* -85 dBm */ 6950 6951 for (i = 0 ; i < 8 ; i++) { 6952 range->bitrate[i] = cap_rid.supportedRates[i] * 500000; 6953 if (range->bitrate[i] == 0) 6954 break; 6955 } 6956 range->num_bitrates = i; 6957 6958 /* Set an indication of the max TCP throughput 6959 * in bit/s that we can expect using this interface. 6960 * May be use for QoS stuff... Jean II */ 6961 if (i > 2) 6962 range->throughput = 5000 * 1000; 6963 else 6964 range->throughput = 1500 * 1000; 6965 6966 range->min_rts = 0; 6967 range->max_rts = AIRO_DEF_MTU; 6968 range->min_frag = 256; 6969 range->max_frag = AIRO_DEF_MTU; 6970 6971 if (cap_rid.softCap & cpu_to_le16(2)) { 6972 // WEP: RC4 40 bits 6973 range->encoding_size[0] = 5; 6974 // RC4 ~128 bits 6975 if (cap_rid.softCap & cpu_to_le16(0x100)) { 6976 range->encoding_size[1] = 13; 6977 range->num_encoding_sizes = 2; 6978 } else 6979 range->num_encoding_sizes = 1; 6980 range->max_encoding_tokens = 6981 cap_rid.softCap & cpu_to_le16(0x80) ? 4 : 1; 6982 } else { 6983 range->num_encoding_sizes = 0; 6984 range->max_encoding_tokens = 0; 6985 } 6986 range->min_pmp = 0; 6987 range->max_pmp = 5000000; /* 5 secs */ 6988 range->min_pmt = 0; 6989 range->max_pmt = 65535 * 1024; /* ??? */ 6990 range->pmp_flags = IW_POWER_PERIOD; 6991 range->pmt_flags = IW_POWER_TIMEOUT; 6992 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; 6993 6994 /* Transmit Power - values are in mW */ 6995 for (i = 0 ; i < 8 ; i++) { 6996 range->txpower[i] = le16_to_cpu(cap_rid.txPowerLevels[i]); 6997 if (range->txpower[i] == 0) 6998 break; 6999 } 7000 range->num_txpower = i; 7001 range->txpower_capa = IW_TXPOW_MWATT; 7002 range->we_version_source = 19; 7003 range->we_version_compiled = WIRELESS_EXT; 7004 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; 7005 range->retry_flags = IW_RETRY_LIMIT; 7006 range->r_time_flags = IW_RETRY_LIFETIME; 7007 range->min_retry = 1; 7008 range->max_retry = 65535; 7009 range->min_r_time = 1024; 7010 range->max_r_time = 65535 * 1024; 7011 7012 /* Event capability (kernel + driver) */ 7013 range->event_capa[0] = (IW_EVENT_CAPA_K_0 | 7014 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | 7015 IW_EVENT_CAPA_MASK(SIOCGIWAP) | 7016 IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); 7017 range->event_capa[1] = IW_EVENT_CAPA_K_1; 7018 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVTXDROP); 7019 return 0; 7020 } 7021 7022 /*------------------------------------------------------------------*/ 7023 /* 7024 * Wireless Handler : set Power Management 7025 */ 7026 static int airo_set_power(struct net_device *dev, 7027 struct iw_request_info *info, 7028 struct iw_param *vwrq, 7029 char *extra) 7030 { 7031 struct airo_info *local = dev->ml_priv; 7032 7033 readConfigRid(local, 1); 7034 if (vwrq->disabled) { 7035 if (sniffing_mode(local)) 7036 return -EINVAL; 7037 local->config.powerSaveMode = POWERSAVE_CAM; 7038 local->config.rmode &= ~RXMODE_MASK; 7039 local->config.rmode |= RXMODE_BC_MC_ADDR; 7040 set_bit (FLAG_COMMIT, &local->flags); 7041 return -EINPROGRESS; /* Call commit handler */ 7042 } 7043 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7044 local->config.fastListenDelay = cpu_to_le16((vwrq->value + 500) / 1024); 7045 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7046 set_bit (FLAG_COMMIT, &local->flags); 7047 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) { 7048 local->config.fastListenInterval = 7049 local->config.listenInterval = 7050 cpu_to_le16((vwrq->value + 500) / 1024); 7051 local->config.powerSaveMode = POWERSAVE_PSPCAM; 7052 set_bit (FLAG_COMMIT, &local->flags); 7053 } 7054 switch (vwrq->flags & IW_POWER_MODE) { 7055 case IW_POWER_UNICAST_R: 7056 if (sniffing_mode(local)) 7057 return -EINVAL; 7058 local->config.rmode &= ~RXMODE_MASK; 7059 local->config.rmode |= RXMODE_ADDR; 7060 set_bit (FLAG_COMMIT, &local->flags); 7061 break; 7062 case IW_POWER_ALL_R: 7063 if (sniffing_mode(local)) 7064 return -EINVAL; 7065 local->config.rmode &= ~RXMODE_MASK; 7066 local->config.rmode |= RXMODE_BC_MC_ADDR; 7067 set_bit (FLAG_COMMIT, &local->flags); 7068 break; 7069 case IW_POWER_ON: 7070 /* This is broken, fixme ;-) */ 7071 break; 7072 default: 7073 return -EINVAL; 7074 } 7075 // Note : we may want to factor local->need_commit here 7076 // Note2 : may also want to factor RXMODE_RFMON test 7077 return -EINPROGRESS; /* Call commit handler */ 7078 } 7079 7080 /*------------------------------------------------------------------*/ 7081 /* 7082 * Wireless Handler : get Power Management 7083 */ 7084 static int airo_get_power(struct net_device *dev, 7085 struct iw_request_info *info, 7086 struct iw_param *vwrq, 7087 char *extra) 7088 { 7089 struct airo_info *local = dev->ml_priv; 7090 __le16 mode; 7091 7092 readConfigRid(local, 1); 7093 mode = local->config.powerSaveMode; 7094 if ((vwrq->disabled = (mode == POWERSAVE_CAM))) 7095 return 0; 7096 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { 7097 vwrq->value = le16_to_cpu(local->config.fastListenDelay) * 1024; 7098 vwrq->flags = IW_POWER_TIMEOUT; 7099 } else { 7100 vwrq->value = le16_to_cpu(local->config.fastListenInterval) * 1024; 7101 vwrq->flags = IW_POWER_PERIOD; 7102 } 7103 if ((local->config.rmode & RXMODE_MASK) == RXMODE_ADDR) 7104 vwrq->flags |= IW_POWER_UNICAST_R; 7105 else 7106 vwrq->flags |= IW_POWER_ALL_R; 7107 7108 return 0; 7109 } 7110 7111 /*------------------------------------------------------------------*/ 7112 /* 7113 * Wireless Handler : set Sensitivity 7114 */ 7115 static int airo_set_sens(struct net_device *dev, 7116 struct iw_request_info *info, 7117 struct iw_param *vwrq, 7118 char *extra) 7119 { 7120 struct airo_info *local = dev->ml_priv; 7121 7122 readConfigRid(local, 1); 7123 local->config.rssiThreshold = 7124 cpu_to_le16(vwrq->disabled ? RSSI_DEFAULT : vwrq->value); 7125 set_bit (FLAG_COMMIT, &local->flags); 7126 7127 return -EINPROGRESS; /* Call commit handler */ 7128 } 7129 7130 /*------------------------------------------------------------------*/ 7131 /* 7132 * Wireless Handler : get Sensitivity 7133 */ 7134 static int airo_get_sens(struct net_device *dev, 7135 struct iw_request_info *info, 7136 struct iw_param *vwrq, 7137 char *extra) 7138 { 7139 struct airo_info *local = dev->ml_priv; 7140 7141 readConfigRid(local, 1); 7142 vwrq->value = le16_to_cpu(local->config.rssiThreshold); 7143 vwrq->disabled = (vwrq->value == 0); 7144 vwrq->fixed = 1; 7145 7146 return 0; 7147 } 7148 7149 /*------------------------------------------------------------------*/ 7150 /* 7151 * Wireless Handler : get AP List 7152 * Note : this is deprecated in favor of IWSCAN 7153 */ 7154 static int airo_get_aplist(struct net_device *dev, 7155 struct iw_request_info *info, 7156 struct iw_point *dwrq, 7157 char *extra) 7158 { 7159 struct airo_info *local = dev->ml_priv; 7160 struct sockaddr *address = (struct sockaddr *) extra; 7161 struct iw_quality *qual; 7162 BSSListRid BSSList; 7163 int i; 7164 int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; 7165 7166 qual = kmalloc_array(IW_MAX_AP, sizeof(*qual), GFP_KERNEL); 7167 if (!qual) 7168 return -ENOMEM; 7169 7170 for (i = 0; i < IW_MAX_AP; i++) { 7171 u16 dBm; 7172 if (readBSSListRid(local, loseSync, &BSSList)) 7173 break; 7174 loseSync = 0; 7175 memcpy(address[i].sa_data, BSSList.bssid, ETH_ALEN); 7176 address[i].sa_family = ARPHRD_ETHER; 7177 dBm = le16_to_cpu(BSSList.dBm); 7178 if (local->rssi) { 7179 qual[i].level = 0x100 - dBm; 7180 qual[i].qual = airo_dbm_to_pct(local->rssi, dBm); 7181 qual[i].updated = IW_QUAL_QUAL_UPDATED 7182 | IW_QUAL_LEVEL_UPDATED 7183 | IW_QUAL_DBM; 7184 } else { 7185 qual[i].level = (dBm + 321) / 2; 7186 qual[i].qual = 0; 7187 qual[i].updated = IW_QUAL_QUAL_INVALID 7188 | IW_QUAL_LEVEL_UPDATED 7189 | IW_QUAL_DBM; 7190 } 7191 qual[i].noise = local->wstats.qual.noise; 7192 if (BSSList.index == cpu_to_le16(0xffff)) 7193 break; 7194 } 7195 if (!i) { 7196 StatusRid status_rid; /* Card status info */ 7197 readStatusRid(local, &status_rid, 1); 7198 for (i = 0; 7199 i < min(IW_MAX_AP, 4) && 7200 (status_rid.bssid[i][0] 7201 & status_rid.bssid[i][1] 7202 & status_rid.bssid[i][2] 7203 & status_rid.bssid[i][3] 7204 & status_rid.bssid[i][4] 7205 & status_rid.bssid[i][5])!=0xff && 7206 (status_rid.bssid[i][0] 7207 | status_rid.bssid[i][1] 7208 | status_rid.bssid[i][2] 7209 | status_rid.bssid[i][3] 7210 | status_rid.bssid[i][4] 7211 | status_rid.bssid[i][5]); 7212 i++) { 7213 memcpy(address[i].sa_data, 7214 status_rid.bssid[i], ETH_ALEN); 7215 address[i].sa_family = ARPHRD_ETHER; 7216 } 7217 } else { 7218 dwrq->flags = 1; /* Should be define'd */ 7219 memcpy(extra + sizeof(struct sockaddr) * i, qual, 7220 sizeof(struct iw_quality) * i); 7221 } 7222 dwrq->length = i; 7223 7224 kfree(qual); 7225 return 0; 7226 } 7227 7228 /*------------------------------------------------------------------*/ 7229 /* 7230 * Wireless Handler : Initiate Scan 7231 */ 7232 static int airo_set_scan(struct net_device *dev, 7233 struct iw_request_info *info, 7234 struct iw_point *dwrq, 7235 char *extra) 7236 { 7237 struct airo_info *ai = dev->ml_priv; 7238 Cmd cmd; 7239 Resp rsp; 7240 int wake = 0; 7241 APListRid APList_rid_empty; 7242 7243 /* Note : you may have realised that, as this is a SET operation, 7244 * this is privileged and therefore a normal user can't 7245 * perform scanning. 7246 * This is not an error, while the device perform scanning, 7247 * traffic doesn't flow, so it's a perfect DoS... 7248 * Jean II */ 7249 if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; 7250 7251 if (down_interruptible(&ai->sem)) 7252 return -ERESTARTSYS; 7253 7254 /* If there's already a scan in progress, don't 7255 * trigger another one. */ 7256 if (ai->scan_timeout > 0) 7257 goto out; 7258 7259 /* Clear APList as it affects scan results */ 7260 memset(&APList_rid_empty, 0, sizeof(APList_rid_empty)); 7261 APList_rid_empty.len = cpu_to_le16(sizeof(APList_rid_empty)); 7262 disable_MAC(ai, 2); 7263 writeAPListRid(ai, &APList_rid_empty, 0); 7264 enable_MAC(ai, 0); 7265 7266 /* Initiate a scan command */ 7267 ai->scan_timeout = RUN_AT(3*HZ); 7268 memset(&cmd, 0, sizeof(cmd)); 7269 cmd.cmd = CMD_LISTBSS; 7270 issuecommand(ai, &cmd, &rsp, true); 7271 wake = 1; 7272 7273 out: 7274 up(&ai->sem); 7275 if (wake) 7276 wake_up_interruptible(&ai->thr_wait); 7277 return 0; 7278 } 7279 7280 /*------------------------------------------------------------------*/ 7281 /* 7282 * Translate scan data returned from the card to a card independent 7283 * format that the Wireless Tools will understand - Jean II 7284 */ 7285 static inline char *airo_translate_scan(struct net_device *dev, 7286 struct iw_request_info *info, 7287 char *current_ev, 7288 char *end_buf, 7289 BSSListRid *bss) 7290 { 7291 struct airo_info *ai = dev->ml_priv; 7292 struct iw_event iwe; /* Temporary buffer */ 7293 __le16 capabilities; 7294 char * current_val; /* For rates */ 7295 int i; 7296 char * buf; 7297 u16 dBm; 7298 7299 /* First entry *MUST* be the AP MAC address */ 7300 iwe.cmd = SIOCGIWAP; 7301 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 7302 memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN); 7303 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7304 &iwe, IW_EV_ADDR_LEN); 7305 7306 /* Other entries will be displayed in the order we give them */ 7307 7308 /* Add the ESSID */ 7309 iwe.u.data.length = bss->ssidLen; 7310 if (iwe.u.data.length > 32) 7311 iwe.u.data.length = 32; 7312 iwe.cmd = SIOCGIWESSID; 7313 iwe.u.data.flags = 1; 7314 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7315 &iwe, bss->ssid); 7316 7317 /* Add mode */ 7318 iwe.cmd = SIOCGIWMODE; 7319 capabilities = bss->cap; 7320 if (capabilities & (CAP_ESS | CAP_IBSS)) { 7321 if (capabilities & CAP_ESS) 7322 iwe.u.mode = IW_MODE_MASTER; 7323 else 7324 iwe.u.mode = IW_MODE_ADHOC; 7325 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7326 &iwe, IW_EV_UINT_LEN); 7327 } 7328 7329 /* Add frequency */ 7330 iwe.cmd = SIOCGIWFREQ; 7331 iwe.u.freq.m = le16_to_cpu(bss->dsChannel); 7332 iwe.u.freq.m = 100000 * 7333 ieee80211_channel_to_frequency(iwe.u.freq.m, NL80211_BAND_2GHZ); 7334 iwe.u.freq.e = 1; 7335 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7336 &iwe, IW_EV_FREQ_LEN); 7337 7338 dBm = le16_to_cpu(bss->dBm); 7339 7340 /* Add quality statistics */ 7341 iwe.cmd = IWEVQUAL; 7342 if (ai->rssi) { 7343 iwe.u.qual.level = 0x100 - dBm; 7344 iwe.u.qual.qual = airo_dbm_to_pct(ai->rssi, dBm); 7345 iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED 7346 | IW_QUAL_LEVEL_UPDATED 7347 | IW_QUAL_DBM; 7348 } else { 7349 iwe.u.qual.level = (dBm + 321) / 2; 7350 iwe.u.qual.qual = 0; 7351 iwe.u.qual.updated = IW_QUAL_QUAL_INVALID 7352 | IW_QUAL_LEVEL_UPDATED 7353 | IW_QUAL_DBM; 7354 } 7355 iwe.u.qual.noise = ai->wstats.qual.noise; 7356 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 7357 &iwe, IW_EV_QUAL_LEN); 7358 7359 /* Add encryption capability */ 7360 iwe.cmd = SIOCGIWENCODE; 7361 if (capabilities & CAP_PRIVACY) 7362 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 7363 else 7364 iwe.u.data.flags = IW_ENCODE_DISABLED; 7365 iwe.u.data.length = 0; 7366 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7367 &iwe, bss->ssid); 7368 7369 /* Rate : stuffing multiple values in a single event require a bit 7370 * more of magic - Jean II */ 7371 current_val = current_ev + iwe_stream_lcp_len(info); 7372 7373 iwe.cmd = SIOCGIWRATE; 7374 /* Those two flags are ignored... */ 7375 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 7376 /* Max 8 values */ 7377 for (i = 0 ; i < 8 ; i++) { 7378 /* NULL terminated */ 7379 if (bss->rates[i] == 0) 7380 break; 7381 /* Bit rate given in 500 kb/s units (+ 0x80) */ 7382 iwe.u.bitrate.value = ((bss->rates[i] & 0x7f) * 500000); 7383 /* Add new value to event */ 7384 current_val = iwe_stream_add_value(info, current_ev, 7385 current_val, end_buf, 7386 &iwe, IW_EV_PARAM_LEN); 7387 } 7388 /* Check if we added any event */ 7389 if ((current_val - current_ev) > iwe_stream_lcp_len(info)) 7390 current_ev = current_val; 7391 7392 /* Beacon interval */ 7393 buf = kmalloc(30, GFP_KERNEL); 7394 if (buf) { 7395 iwe.cmd = IWEVCUSTOM; 7396 sprintf(buf, "bcn_int=%d", bss->beaconInterval); 7397 iwe.u.data.length = strlen(buf); 7398 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 7399 &iwe, buf); 7400 kfree(buf); 7401 } 7402 7403 /* Put WPA/RSN Information Elements into the event stream */ 7404 if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) { 7405 unsigned int num_null_ies = 0; 7406 u16 length = sizeof (bss->extra.iep); 7407 u8 *ie = (void *)&bss->extra.iep; 7408 7409 while ((length >= 2) && (num_null_ies < 2)) { 7410 if (2 + ie[1] > length) { 7411 /* Invalid element, don't continue parsing IE */ 7412 break; 7413 } 7414 7415 switch (ie[0]) { 7416 case WLAN_EID_SSID: 7417 /* Two zero-length SSID elements 7418 * mean we're done parsing elements */ 7419 if (!ie[1]) 7420 num_null_ies++; 7421 break; 7422 7423 case WLAN_EID_VENDOR_SPECIFIC: 7424 if (ie[1] >= 4 && 7425 ie[2] == 0x00 && 7426 ie[3] == 0x50 && 7427 ie[4] == 0xf2 && 7428 ie[5] == 0x01) { 7429 iwe.cmd = IWEVGENIE; 7430 /* 64 is an arbitrary cut-off */ 7431 iwe.u.data.length = min(ie[1] + 2, 7432 64); 7433 current_ev = iwe_stream_add_point( 7434 info, current_ev, 7435 end_buf, &iwe, ie); 7436 } 7437 break; 7438 7439 case WLAN_EID_RSN: 7440 iwe.cmd = IWEVGENIE; 7441 /* 64 is an arbitrary cut-off */ 7442 iwe.u.data.length = min(ie[1] + 2, 64); 7443 current_ev = iwe_stream_add_point( 7444 info, current_ev, end_buf, 7445 &iwe, ie); 7446 break; 7447 7448 default: 7449 break; 7450 } 7451 7452 length -= 2 + ie[1]; 7453 ie += 2 + ie[1]; 7454 } 7455 } 7456 return current_ev; 7457 } 7458 7459 /*------------------------------------------------------------------*/ 7460 /* 7461 * Wireless Handler : Read Scan Results 7462 */ 7463 static int airo_get_scan(struct net_device *dev, 7464 struct iw_request_info *info, 7465 struct iw_point *dwrq, 7466 char *extra) 7467 { 7468 struct airo_info *ai = dev->ml_priv; 7469 BSSListElement *net; 7470 int err = 0; 7471 char *current_ev = extra; 7472 7473 /* If a scan is in-progress, return -EAGAIN */ 7474 if (ai->scan_timeout > 0) 7475 return -EAGAIN; 7476 7477 if (down_interruptible(&ai->sem)) 7478 return -EAGAIN; 7479 7480 list_for_each_entry (net, &ai->network_list, list) { 7481 /* Translate to WE format this entry */ 7482 current_ev = airo_translate_scan(dev, info, current_ev, 7483 extra + dwrq->length, 7484 &net->bss); 7485 7486 /* Check if there is space for one more entry */ 7487 if ((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { 7488 /* Ask user space to try again with a bigger buffer */ 7489 err = -E2BIG; 7490 goto out; 7491 } 7492 } 7493 7494 /* Length of data */ 7495 dwrq->length = (current_ev - extra); 7496 dwrq->flags = 0; /* todo */ 7497 7498 out: 7499 up(&ai->sem); 7500 return err; 7501 } 7502 7503 /*------------------------------------------------------------------*/ 7504 /* 7505 * Commit handler : called after a bunch of SET operations 7506 */ 7507 static int airo_config_commit(struct net_device *dev, 7508 struct iw_request_info *info, /* NULL */ 7509 void *zwrq, /* NULL */ 7510 char *extra) /* NULL */ 7511 { 7512 struct airo_info *local = dev->ml_priv; 7513 7514 if (!test_bit (FLAG_COMMIT, &local->flags)) 7515 return 0; 7516 7517 /* Some of the "SET" function may have modified some of the 7518 * parameters. It's now time to commit them in the card */ 7519 disable_MAC(local, 1); 7520 if (test_bit (FLAG_RESET, &local->flags)) { 7521 SsidRid SSID_rid; 7522 7523 readSsidRid(local, &SSID_rid); 7524 if (test_bit(FLAG_MPI,&local->flags)) 7525 setup_card(local, dev->dev_addr, 1); 7526 else 7527 reset_airo_card(dev); 7528 disable_MAC(local, 1); 7529 writeSsidRid(local, &SSID_rid, 1); 7530 writeAPListRid(local, &local->APList, 1); 7531 } 7532 if (down_interruptible(&local->sem)) 7533 return -ERESTARTSYS; 7534 writeConfigRid(local, 0); 7535 enable_MAC(local, 0); 7536 if (test_bit (FLAG_RESET, &local->flags)) 7537 airo_set_promisc(local, true); 7538 else 7539 up(&local->sem); 7540 7541 return 0; 7542 } 7543 7544 /*------------------------------------------------------------------*/ 7545 /* 7546 * Structures to export the Wireless Handlers 7547 */ 7548 7549 static const struct iw_priv_args airo_private_args[] = { 7550 /*{ cmd, set_args, get_args, name } */ 7551 { AIROIOCTL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7552 IW_PRIV_TYPE_BYTE | 2047, "airoioctl" }, 7553 { AIROIDIFC, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (aironet_ioctl), 7554 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "airoidifc" }, 7555 }; 7556 7557 static const iw_handler airo_handler[] = 7558 { 7559 (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */ 7560 (iw_handler) airo_get_name, /* SIOCGIWNAME */ 7561 (iw_handler) NULL, /* SIOCSIWNWID */ 7562 (iw_handler) NULL, /* SIOCGIWNWID */ 7563 (iw_handler) airo_set_freq, /* SIOCSIWFREQ */ 7564 (iw_handler) airo_get_freq, /* SIOCGIWFREQ */ 7565 (iw_handler) airo_set_mode, /* SIOCSIWMODE */ 7566 (iw_handler) airo_get_mode, /* SIOCGIWMODE */ 7567 (iw_handler) airo_set_sens, /* SIOCSIWSENS */ 7568 (iw_handler) airo_get_sens, /* SIOCGIWSENS */ 7569 (iw_handler) NULL, /* SIOCSIWRANGE */ 7570 (iw_handler) airo_get_range, /* SIOCGIWRANGE */ 7571 (iw_handler) NULL, /* SIOCSIWPRIV */ 7572 (iw_handler) NULL, /* SIOCGIWPRIV */ 7573 (iw_handler) NULL, /* SIOCSIWSTATS */ 7574 (iw_handler) NULL, /* SIOCGIWSTATS */ 7575 iw_handler_set_spy, /* SIOCSIWSPY */ 7576 iw_handler_get_spy, /* SIOCGIWSPY */ 7577 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ 7578 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ 7579 (iw_handler) airo_set_wap, /* SIOCSIWAP */ 7580 (iw_handler) airo_get_wap, /* SIOCGIWAP */ 7581 (iw_handler) NULL, /* -- hole -- */ 7582 (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */ 7583 (iw_handler) airo_set_scan, /* SIOCSIWSCAN */ 7584 (iw_handler) airo_get_scan, /* SIOCGIWSCAN */ 7585 (iw_handler) airo_set_essid, /* SIOCSIWESSID */ 7586 (iw_handler) airo_get_essid, /* SIOCGIWESSID */ 7587 (iw_handler) airo_set_nick, /* SIOCSIWNICKN */ 7588 (iw_handler) airo_get_nick, /* SIOCGIWNICKN */ 7589 (iw_handler) NULL, /* -- hole -- */ 7590 (iw_handler) NULL, /* -- hole -- */ 7591 (iw_handler) airo_set_rate, /* SIOCSIWRATE */ 7592 (iw_handler) airo_get_rate, /* SIOCGIWRATE */ 7593 (iw_handler) airo_set_rts, /* SIOCSIWRTS */ 7594 (iw_handler) airo_get_rts, /* SIOCGIWRTS */ 7595 (iw_handler) airo_set_frag, /* SIOCSIWFRAG */ 7596 (iw_handler) airo_get_frag, /* SIOCGIWFRAG */ 7597 (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */ 7598 (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */ 7599 (iw_handler) airo_set_retry, /* SIOCSIWRETRY */ 7600 (iw_handler) airo_get_retry, /* SIOCGIWRETRY */ 7601 (iw_handler) airo_set_encode, /* SIOCSIWENCODE */ 7602 (iw_handler) airo_get_encode, /* SIOCGIWENCODE */ 7603 (iw_handler) airo_set_power, /* SIOCSIWPOWER */ 7604 (iw_handler) airo_get_power, /* SIOCGIWPOWER */ 7605 (iw_handler) NULL, /* -- hole -- */ 7606 (iw_handler) NULL, /* -- hole -- */ 7607 (iw_handler) NULL, /* SIOCSIWGENIE */ 7608 (iw_handler) NULL, /* SIOCGIWGENIE */ 7609 (iw_handler) airo_set_auth, /* SIOCSIWAUTH */ 7610 (iw_handler) airo_get_auth, /* SIOCGIWAUTH */ 7611 (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */ 7612 (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */ 7613 (iw_handler) NULL, /* SIOCSIWPMKSA */ 7614 }; 7615 7616 /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here. 7617 * We want to force the use of the ioctl code, because those can't be 7618 * won't work the iw_handler code (because they simultaneously read 7619 * and write data and iw_handler can't do that). 7620 * Note that it's perfectly legal to read/write on a single ioctl command, 7621 * you just can't use iwpriv and need to force it via the ioctl handler. 7622 * Jean II */ 7623 static const iw_handler airo_private_handler[] = 7624 { 7625 NULL, /* SIOCIWFIRSTPRIV */ 7626 }; 7627 7628 static const struct iw_handler_def airo_handler_def = 7629 { 7630 .num_standard = ARRAY_SIZE(airo_handler), 7631 .num_private = ARRAY_SIZE(airo_private_handler), 7632 .num_private_args = ARRAY_SIZE(airo_private_args), 7633 .standard = airo_handler, 7634 .private = airo_private_handler, 7635 .private_args = airo_private_args, 7636 .get_wireless_stats = airo_get_wireless_stats, 7637 }; 7638 7639 /* 7640 * This defines the configuration part of the Wireless Extensions 7641 * Note : irq and spinlock protection will occur in the subroutines 7642 * 7643 * TODO : 7644 * o Check input value more carefully and fill correct values in range 7645 * o Test and shakeout the bugs (if any) 7646 * 7647 * Jean II 7648 * 7649 * Javier Achirica did a great job of merging code from the unnamed CISCO 7650 * developer that added support for flashing the card. 7651 */ 7652 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 7653 { 7654 int rc = 0; 7655 struct airo_info *ai = dev->ml_priv; 7656 7657 if (ai->power.event) 7658 return 0; 7659 7660 switch (cmd) { 7661 #ifdef CISCO_EXT 7662 case AIROIDIFC: 7663 #ifdef AIROOLDIDIFC 7664 case AIROOLDIDIFC: 7665 #endif 7666 { 7667 int val = AIROMAGIC; 7668 aironet_ioctl com; 7669 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) 7670 rc = -EFAULT; 7671 else if (copy_to_user(com.data, (char *)&val, sizeof(val))) 7672 rc = -EFAULT; 7673 } 7674 break; 7675 7676 case AIROIOCTL: 7677 #ifdef AIROOLDIOCTL 7678 case AIROOLDIOCTL: 7679 #endif 7680 /* Get the command struct and hand it off for evaluation by 7681 * the proper subfunction 7682 */ 7683 { 7684 aironet_ioctl com; 7685 if (copy_from_user(&com, rq->ifr_data, sizeof(com))) { 7686 rc = -EFAULT; 7687 break; 7688 } 7689 7690 /* Separate R/W functions bracket legality here 7691 */ 7692 if (com.command == AIRORSWVERSION) { 7693 if (copy_to_user(com.data, swversion, sizeof(swversion))) 7694 rc = -EFAULT; 7695 else 7696 rc = 0; 7697 } 7698 else if (com.command <= AIRORRID) 7699 rc = readrids(dev,&com); 7700 else if (com.command >= AIROPCAP && com.command <= (AIROPLEAPUSR+2)) 7701 rc = writerids(dev,&com); 7702 else if (com.command >= AIROFLSHRST && com.command <= AIRORESTART) 7703 rc = flashcard(dev,&com); 7704 else 7705 rc = -EINVAL; /* Bad command in ioctl */ 7706 } 7707 break; 7708 #endif /* CISCO_EXT */ 7709 7710 // All other calls are currently unsupported 7711 default: 7712 rc = -EOPNOTSUPP; 7713 } 7714 return rc; 7715 } 7716 7717 /* 7718 * Get the Wireless stats out of the driver 7719 * Note : irq and spinlock protection will occur in the subroutines 7720 * 7721 * TODO : 7722 * o Check if work in Ad-Hoc mode (otherwise, use SPY, as in wvlan_cs) 7723 * 7724 * Jean 7725 */ 7726 static void airo_read_wireless_stats(struct airo_info *local) 7727 { 7728 StatusRid status_rid; 7729 StatsRid stats_rid; 7730 CapabilityRid cap_rid; 7731 __le32 *vals = stats_rid.vals; 7732 7733 /* Get stats out of the card */ 7734 if (local->power.event) 7735 return; 7736 7737 readCapabilityRid(local, &cap_rid, 0); 7738 readStatusRid(local, &status_rid, 0); 7739 readStatsRid(local, &stats_rid, RID_STATS, 0); 7740 7741 /* The status */ 7742 local->wstats.status = le16_to_cpu(status_rid.mode); 7743 7744 /* Signal quality and co */ 7745 if (local->rssi) { 7746 local->wstats.qual.level = 7747 airo_rssi_to_dbm(local->rssi, 7748 le16_to_cpu(status_rid.sigQuality)); 7749 /* normalizedSignalStrength appears to be a percentage */ 7750 local->wstats.qual.qual = 7751 le16_to_cpu(status_rid.normalizedSignalStrength); 7752 } else { 7753 local->wstats.qual.level = 7754 (le16_to_cpu(status_rid.normalizedSignalStrength) + 321) / 2; 7755 local->wstats.qual.qual = airo_get_quality(&status_rid, &cap_rid); 7756 } 7757 if (le16_to_cpu(status_rid.len) >= 124) { 7758 local->wstats.qual.noise = 0x100 - status_rid.noisedBm; 7759 local->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 7760 } else { 7761 local->wstats.qual.noise = 0; 7762 local->wstats.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_INVALID | IW_QUAL_DBM; 7763 } 7764 7765 /* Packets discarded in the wireless adapter due to wireless 7766 * specific problems */ 7767 local->wstats.discard.nwid = le32_to_cpu(vals[56]) + 7768 le32_to_cpu(vals[57]) + 7769 le32_to_cpu(vals[58]); /* SSID Mismatch */ 7770 local->wstats.discard.code = le32_to_cpu(vals[6]);/* RxWepErr */ 7771 local->wstats.discard.fragment = le32_to_cpu(vals[30]); 7772 local->wstats.discard.retries = le32_to_cpu(vals[10]); 7773 local->wstats.discard.misc = le32_to_cpu(vals[1]) + 7774 le32_to_cpu(vals[32]); 7775 local->wstats.miss.beacon = le32_to_cpu(vals[34]); 7776 } 7777 7778 static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) 7779 { 7780 struct airo_info *local = dev->ml_priv; 7781 7782 if (!down_interruptible(&local->sem)) { 7783 airo_read_wireless_stats(local); 7784 up(&local->sem); 7785 } 7786 return &local->wstats; 7787 } 7788 7789 #ifdef CISCO_EXT 7790 /* 7791 * This just translates from driver IOCTL codes to the command codes to 7792 * feed to the radio's host interface. Things can be added/deleted 7793 * as needed. This represents the READ side of control I/O to 7794 * the card 7795 */ 7796 static int readrids(struct net_device *dev, aironet_ioctl *comp) 7797 { 7798 unsigned short ridcode; 7799 unsigned char *iobuf; 7800 int len; 7801 struct airo_info *ai = dev->ml_priv; 7802 7803 if (test_bit(FLAG_FLASHING, &ai->flags)) 7804 return -EIO; 7805 7806 switch(comp->command) 7807 { 7808 case AIROGCAP: ridcode = RID_CAPABILITIES; break; 7809 case AIROGCFG: ridcode = RID_CONFIG; 7810 if (test_bit(FLAG_COMMIT, &ai->flags)) { 7811 disable_MAC (ai, 1); 7812 writeConfigRid (ai, 1); 7813 enable_MAC(ai, 1); 7814 } 7815 break; 7816 case AIROGSLIST: ridcode = RID_SSID; break; 7817 case AIROGVLIST: ridcode = RID_APLIST; break; 7818 case AIROGDRVNAM: ridcode = RID_DRVNAME; break; 7819 case AIROGEHTENC: ridcode = RID_ETHERENCAP; break; 7820 case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break; 7821 case AIROGWEPKNV: ridcode = RID_WEP_PERM; break; 7822 case AIROGSTAT: ridcode = RID_STATUS; break; 7823 case AIROGSTATSD32: ridcode = RID_STATSDELTA; break; 7824 case AIROGSTATSC32: ridcode = RID_STATS; break; 7825 case AIROGMICSTATS: 7826 if (copy_to_user(comp->data, &ai->micstats, 7827 min((int)comp->len, (int)sizeof(ai->micstats)))) 7828 return -EFAULT; 7829 return 0; 7830 case AIRORRID: ridcode = comp->ridnum; break; 7831 default: 7832 return -EINVAL; 7833 } 7834 7835 if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) { 7836 /* Only super-user can read WEP keys */ 7837 if (!capable(CAP_NET_ADMIN)) 7838 return -EPERM; 7839 } 7840 7841 if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7842 return -ENOMEM; 7843 7844 PC4500_readrid(ai, ridcode, iobuf, RIDSIZE, 1); 7845 /* get the count of bytes in the rid docs say 1st 2 bytes is it. 7846 * then return it to the user 7847 * 9/22/2000 Honor user given length 7848 */ 7849 len = comp->len; 7850 7851 if (copy_to_user(comp->data, iobuf, min(len, (int)RIDSIZE))) { 7852 kfree (iobuf); 7853 return -EFAULT; 7854 } 7855 kfree (iobuf); 7856 return 0; 7857 } 7858 7859 /* 7860 * Danger Will Robinson write the rids here 7861 */ 7862 7863 static int writerids(struct net_device *dev, aironet_ioctl *comp) 7864 { 7865 struct airo_info *ai = dev->ml_priv; 7866 int ridcode; 7867 int enabled; 7868 int (*writer)(struct airo_info *, u16 rid, const void *, int, int); 7869 unsigned char *iobuf; 7870 7871 /* Only super-user can write RIDs */ 7872 if (!capable(CAP_NET_ADMIN)) 7873 return -EPERM; 7874 7875 if (test_bit(FLAG_FLASHING, &ai->flags)) 7876 return -EIO; 7877 7878 ridcode = 0; 7879 writer = do_writerid; 7880 7881 switch(comp->command) 7882 { 7883 case AIROPSIDS: ridcode = RID_SSID; break; 7884 case AIROPCAP: ridcode = RID_CAPABILITIES; break; 7885 case AIROPAPLIST: ridcode = RID_APLIST; break; 7886 case AIROPCFG: ai->config.len = 0; 7887 clear_bit(FLAG_COMMIT, &ai->flags); 7888 ridcode = RID_CONFIG; break; 7889 case AIROPWEPKEYNV: ridcode = RID_WEP_PERM; break; 7890 case AIROPLEAPUSR: ridcode = RID_LEAPUSERNAME; break; 7891 case AIROPLEAPPWD: ridcode = RID_LEAPPASSWORD; break; 7892 case AIROPWEPKEY: ridcode = RID_WEP_TEMP; writer = PC4500_writerid; 7893 break; 7894 case AIROPLEAPUSR+1: ridcode = 0xFF2A; break; 7895 case AIROPLEAPUSR+2: ridcode = 0xFF2B; break; 7896 7897 /* this is not really a rid but a command given to the card 7898 * same with MAC off 7899 */ 7900 case AIROPMACON: 7901 if (enable_MAC(ai, 1) != 0) 7902 return -EIO; 7903 return 0; 7904 7905 /* 7906 * Evidently this code in the airo driver does not get a symbol 7907 * as disable_MAC. it's probably so short the compiler does not gen one. 7908 */ 7909 case AIROPMACOFF: 7910 disable_MAC(ai, 1); 7911 return 0; 7912 7913 /* This command merely clears the counts does not actually store any data 7914 * only reads rid. But as it changes the cards state, I put it in the 7915 * writerid routines. 7916 */ 7917 case AIROPSTCLR: 7918 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7919 return -ENOMEM; 7920 7921 PC4500_readrid(ai, RID_STATSDELTACLEAR, iobuf, RIDSIZE, 1); 7922 7923 enabled = ai->micstats.enabled; 7924 memset(&ai->micstats, 0, sizeof(ai->micstats)); 7925 ai->micstats.enabled = enabled; 7926 7927 if (copy_to_user(comp->data, iobuf, 7928 min((int)comp->len, (int)RIDSIZE))) { 7929 kfree (iobuf); 7930 return -EFAULT; 7931 } 7932 kfree (iobuf); 7933 return 0; 7934 7935 default: 7936 return -EOPNOTSUPP; /* Blarg! */ 7937 } 7938 if (comp->len > RIDSIZE) 7939 return -EINVAL; 7940 7941 if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL) 7942 return -ENOMEM; 7943 7944 if (copy_from_user(iobuf, comp->data, comp->len)) { 7945 kfree (iobuf); 7946 return -EFAULT; 7947 } 7948 7949 if (comp->command == AIROPCFG) { 7950 ConfigRid *cfg = (ConfigRid *)iobuf; 7951 7952 if (test_bit(FLAG_MIC_CAPABLE, &ai->flags)) 7953 cfg->opmode |= MODE_MIC; 7954 7955 if ((cfg->opmode & MODE_CFG_MASK) == MODE_STA_IBSS) 7956 set_bit (FLAG_ADHOC, &ai->flags); 7957 else 7958 clear_bit (FLAG_ADHOC, &ai->flags); 7959 } 7960 7961 if ((*writer)(ai, ridcode, iobuf, comp->len, 1)) { 7962 kfree (iobuf); 7963 return -EIO; 7964 } 7965 kfree (iobuf); 7966 return 0; 7967 } 7968 7969 /***************************************************************************** 7970 * Ancillary flash / mod functions much black magic lurkes here * 7971 ***************************************************************************** 7972 */ 7973 7974 /* 7975 * Flash command switch table 7976 */ 7977 7978 static int flashcard(struct net_device *dev, aironet_ioctl *comp) 7979 { 7980 int z; 7981 7982 /* Only super-user can modify flash */ 7983 if (!capable(CAP_NET_ADMIN)) 7984 return -EPERM; 7985 7986 switch(comp->command) 7987 { 7988 case AIROFLSHRST: 7989 return cmdreset((struct airo_info *)dev->ml_priv); 7990 7991 case AIROFLSHSTFL: 7992 if (!AIRO_FLASH(dev) && 7993 (AIRO_FLASH(dev) = kmalloc(FLASHSIZE, GFP_KERNEL)) == NULL) 7994 return -ENOMEM; 7995 return setflashmode((struct airo_info *)dev->ml_priv); 7996 7997 case AIROFLSHGCHR: /* Get char from aux */ 7998 if (comp->len != sizeof(int)) 7999 return -EINVAL; 8000 if (copy_from_user(&z, comp->data, comp->len)) 8001 return -EFAULT; 8002 return flashgchar((struct airo_info *)dev->ml_priv, z, 8000); 8003 8004 case AIROFLSHPCHR: /* Send char to card. */ 8005 if (comp->len != sizeof(int)) 8006 return -EINVAL; 8007 if (copy_from_user(&z, comp->data, comp->len)) 8008 return -EFAULT; 8009 return flashpchar((struct airo_info *)dev->ml_priv, z, 8000); 8010 8011 case AIROFLPUTBUF: /* Send 32k to card */ 8012 if (!AIRO_FLASH(dev)) 8013 return -ENOMEM; 8014 if (comp->len > FLASHSIZE) 8015 return -EINVAL; 8016 if (copy_from_user(AIRO_FLASH(dev), comp->data, comp->len)) 8017 return -EFAULT; 8018 8019 flashputbuf((struct airo_info *)dev->ml_priv); 8020 return 0; 8021 8022 case AIRORESTART: 8023 if (flashrestart((struct airo_info *)dev->ml_priv, dev)) 8024 return -EIO; 8025 return 0; 8026 } 8027 return -EINVAL; 8028 } 8029 8030 #define FLASH_COMMAND 0x7e7e 8031 8032 /* 8033 * STEP 1) 8034 * Disable MAC and do soft reset on 8035 * card. 8036 */ 8037 8038 static int cmdreset(struct airo_info *ai) 8039 { 8040 disable_MAC(ai, 1); 8041 8042 if (!waitbusy (ai)) { 8043 airo_print_info(ai->dev->name, "Waitbusy hang before RESET"); 8044 return -EBUSY; 8045 } 8046 8047 OUT4500(ai, COMMAND, CMD_SOFTRESET); 8048 8049 ssleep(1); /* WAS 600 12/7/00 */ 8050 8051 if (!waitbusy (ai)) { 8052 airo_print_info(ai->dev->name, "Waitbusy hang AFTER RESET"); 8053 return -EBUSY; 8054 } 8055 return 0; 8056 } 8057 8058 /* STEP 2) 8059 * Put the card in legendary flash 8060 * mode 8061 */ 8062 8063 static int setflashmode (struct airo_info *ai) 8064 { 8065 set_bit (FLAG_FLASHING, &ai->flags); 8066 8067 OUT4500(ai, SWS0, FLASH_COMMAND); 8068 OUT4500(ai, SWS1, FLASH_COMMAND); 8069 if (probe) { 8070 OUT4500(ai, SWS0, FLASH_COMMAND); 8071 OUT4500(ai, COMMAND, 0x10); 8072 } else { 8073 OUT4500(ai, SWS2, FLASH_COMMAND); 8074 OUT4500(ai, SWS3, FLASH_COMMAND); 8075 OUT4500(ai, COMMAND, 0); 8076 } 8077 msleep(500); /* 500ms delay */ 8078 8079 if (!waitbusy(ai)) { 8080 clear_bit (FLAG_FLASHING, &ai->flags); 8081 airo_print_info(ai->dev->name, "Waitbusy hang after setflash mode"); 8082 return -EIO; 8083 } 8084 return 0; 8085 } 8086 8087 /* Put character to SWS0 wait for dwelltime 8088 * x 50us for echo . 8089 */ 8090 8091 static int flashpchar(struct airo_info *ai, int byte, int dwelltime) 8092 { 8093 int echo; 8094 int waittime; 8095 8096 byte |= 0x8000; 8097 8098 if (dwelltime == 0) 8099 dwelltime = 200; 8100 8101 waittime = dwelltime; 8102 8103 /* Wait for busy bit d15 to go false indicating buffer empty */ 8104 while ((IN4500 (ai, SWS0) & 0x8000) && waittime > 0) { 8105 udelay (50); 8106 waittime -= 50; 8107 } 8108 8109 /* timeout for busy clear wait */ 8110 if (waittime <= 0) { 8111 airo_print_info(ai->dev->name, "flash putchar busywait timeout!"); 8112 return -EBUSY; 8113 } 8114 8115 /* Port is clear now write byte and wait for it to echo back */ 8116 do { 8117 OUT4500(ai, SWS0, byte); 8118 udelay(50); 8119 dwelltime -= 50; 8120 echo = IN4500(ai, SWS1); 8121 } while (dwelltime >= 0 && echo != byte); 8122 8123 OUT4500(ai, SWS1, 0); 8124 8125 return (echo == byte) ? 0 : -EIO; 8126 } 8127 8128 /* 8129 * Get a character from the card matching matchbyte 8130 * Step 3) 8131 */ 8132 static int flashgchar(struct airo_info *ai, int matchbyte, int dwelltime) 8133 { 8134 int rchar; 8135 unsigned char rbyte = 0; 8136 8137 do { 8138 rchar = IN4500(ai, SWS1); 8139 8140 if (dwelltime && !(0x8000 & rchar)) { 8141 dwelltime -= 10; 8142 mdelay(10); 8143 continue; 8144 } 8145 rbyte = 0xff & rchar; 8146 8147 if ((rbyte == matchbyte) && (0x8000 & rchar)) { 8148 OUT4500(ai, SWS1, 0); 8149 return 0; 8150 } 8151 if (rbyte == 0x81 || rbyte == 0x82 || rbyte == 0x83 || rbyte == 0x1a || 0xffff == rchar) 8152 break; 8153 OUT4500(ai, SWS1, 0); 8154 8155 } while (dwelltime > 0); 8156 return -EIO; 8157 } 8158 8159 /* 8160 * Transfer 32k of firmware data from user buffer to our buffer and 8161 * send to the card 8162 */ 8163 8164 static int flashputbuf(struct airo_info *ai) 8165 { 8166 int nwords; 8167 8168 /* Write stuff */ 8169 if (test_bit(FLAG_MPI,&ai->flags)) 8170 memcpy_toio(ai->pciaux + 0x8000, ai->flash, FLASHSIZE); 8171 else { 8172 OUT4500(ai, AUXPAGE, 0x100); 8173 OUT4500(ai, AUXOFF, 0); 8174 8175 for (nwords = 0; nwords != FLASHSIZE / 2; nwords++) { 8176 OUT4500(ai, AUXDATA, ai->flash[nwords] & 0xffff); 8177 } 8178 } 8179 OUT4500(ai, SWS0, 0x8000); 8180 8181 return 0; 8182 } 8183 8184 /* 8185 * 8186 */ 8187 static int flashrestart(struct airo_info *ai, struct net_device *dev) 8188 { 8189 int i, status; 8190 8191 ssleep(1); /* Added 12/7/00 */ 8192 clear_bit (FLAG_FLASHING, &ai->flags); 8193 if (test_bit(FLAG_MPI, &ai->flags)) { 8194 status = mpi_init_descriptors(ai); 8195 if (status != SUCCESS) 8196 return status; 8197 } 8198 status = setup_card(ai, dev->dev_addr, 1); 8199 8200 if (!test_bit(FLAG_MPI,&ai->flags)) 8201 for (i = 0; i < MAX_FIDS; i++) { 8202 ai->fids[i] = transmit_allocate 8203 (ai, AIRO_DEF_MTU, i >= MAX_FIDS / 2); 8204 } 8205 8206 ssleep(1); /* Added 12/7/00 */ 8207 return status; 8208 } 8209 #endif /* CISCO_EXT */ 8210 8211 /* 8212 This program is free software; you can redistribute it and/or 8213 modify it under the terms of the GNU General Public License 8214 as published by the Free Software Foundation; either version 2 8215 of the License, or (at your option) any later version. 8216 8217 This program is distributed in the hope that it will be useful, 8218 but WITHOUT ANY WARRANTY; without even the implied warranty of 8219 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8220 GNU General Public License for more details. 8221 8222 In addition: 8223 8224 Redistribution and use in source and binary forms, with or without 8225 modification, are permitted provided that the following conditions 8226 are met: 8227 8228 1. Redistributions of source code must retain the above copyright 8229 notice, this list of conditions and the following disclaimer. 8230 2. Redistributions in binary form must reproduce the above copyright 8231 notice, this list of conditions and the following disclaimer in the 8232 documentation and/or other materials provided with the distribution. 8233 3. The name of the author may not be used to endorse or promote 8234 products derived from this software without specific prior written 8235 permission. 8236 8237 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 8238 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 8239 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 8240 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 8241 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 8242 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 8243 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 8244 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 8245 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 8246 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 8247 POSSIBILITY OF SUCH DAMAGE. 8248 */ 8249 8250 module_init(airo_init_module); 8251 module_exit(airo_cleanup_module); 8252