1/****************************************************************************** 2 3 Copyright(c) 2003 - 2006 Intel Corporation. All rights reserved. 4 5 This program is free software; you can redistribute it and/or modify it 6 under the terms of version 2 of the GNU General Public License as 7 published by the Free Software Foundation. 8 9 This program is distributed in the hope that it will be useful, but WITHOUT 10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 more details. 13 14 You should have received a copy of the GNU General Public License along with 15 this program; if not, write to the Free Software Foundation, Inc., 59 16 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 The full GNU General Public License is included in this distribution in the 19 file called LICENSE. 20 21 Contact Information: 22 James P. Ketrenos <ipw2100-admin@linux.intel.com> 23 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 25 Portions of this file are based on the sample_* files provided by Wireless 26 Extensions 0.26 package and copyright (c) 1997-2003 Jean Tourrilhes 27 <jt@hpl.hp.com> 28 29 Portions of this file are based on the Host AP project, 30 Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 31 <j@w1.fi> 32 Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> 33 34 Portions of ipw2100_mod_firmware_load, ipw2100_do_mod_firmware_load, and 35 ipw2100_fw_load are loosely based on drivers/sound/sound_firmware.c 36 available in the 2.4.25 kernel sources, and are copyright (c) Alan Cox 37 38******************************************************************************/ 39/* 40 41 Initial driver on which this is based was developed by Janusz Gorycki, 42 Maciej Urbaniak, and Maciej Sosnowski. 43 44 Promiscuous mode support added by Jacek Wysoczynski and Maciej Urbaniak. 45 46Theory of Operation 47 48Tx - Commands and Data 49 50Firmware and host share a circular queue of Transmit Buffer Descriptors (TBDs) 51Each TBD contains a pointer to the physical (dma_addr_t) address of data being 52sent to the firmware as well as the length of the data. 53 54The host writes to the TBD queue at the WRITE index. The WRITE index points 55to the _next_ packet to be written and is advanced when after the TBD has been 56filled. 57 58The firmware pulls from the TBD queue at the READ index. The READ index points 59to the currently being read entry, and is advanced once the firmware is 60done with a packet. 61 62When data is sent to the firmware, the first TBD is used to indicate to the 63firmware if a Command or Data is being sent. If it is Command, all of the 64command information is contained within the physical address referred to by the 65TBD. If it is Data, the first TBD indicates the type of data packet, number 66of fragments, etc. The next TBD then referrs to the actual packet location. 67 68The Tx flow cycle is as follows: 69 701) ipw2100_tx() is called by kernel with SKB to transmit 712) Packet is move from the tx_free_list and appended to the transmit pending 72 list (tx_pend_list) 733) work is scheduled to move pending packets into the shared circular queue. 744) when placing packet in the circular queue, the incoming SKB is DMA mapped 75 to a physical address. That address is entered into a TBD. Two TBDs are 76 filled out. The first indicating a data packet, the second referring to the 77 actual payload data. 785) the packet is removed from tx_pend_list and placed on the end of the 79 firmware pending list (fw_pend_list) 806) firmware is notified that the WRITE index has 817) Once the firmware has processed the TBD, INTA is triggered. 828) For each Tx interrupt received from the firmware, the READ index is checked 83 to see which TBDs are done being processed. 849) For each TBD that has been processed, the ISR pulls the oldest packet 85 from the fw_pend_list. 8610)The packet structure contained in the fw_pend_list is then used 87 to unmap the DMA address and to free the SKB originally passed to the driver 88 from the kernel. 8911)The packet structure is placed onto the tx_free_list 90 91The above steps are the same for commands, only the msg_free_list/msg_pend_list 92are used instead of tx_free_list/tx_pend_list 93 94... 95 96Critical Sections / Locking : 97 98There are two locks utilized. The first is the low level lock (priv->low_lock) 99that protects the following: 100 101- Access to the Tx/Rx queue lists via priv->low_lock. The lists are as follows: 102 103 tx_free_list : Holds pre-allocated Tx buffers. 104 TAIL modified in __ipw2100_tx_process() 105 HEAD modified in ipw2100_tx() 106 107 tx_pend_list : Holds used Tx buffers waiting to go into the TBD ring 108 TAIL modified ipw2100_tx() 109 HEAD modified by ipw2100_tx_send_data() 110 111 msg_free_list : Holds pre-allocated Msg (Command) buffers 112 TAIL modified in __ipw2100_tx_process() 113 HEAD modified in ipw2100_hw_send_command() 114 115 msg_pend_list : Holds used Msg buffers waiting to go into the TBD ring 116 TAIL modified in ipw2100_hw_send_command() 117 HEAD modified in ipw2100_tx_send_commands() 118 119 The flow of data on the TX side is as follows: 120 121 MSG_FREE_LIST + COMMAND => MSG_PEND_LIST => TBD => MSG_FREE_LIST 122 TX_FREE_LIST + DATA => TX_PEND_LIST => TBD => TX_FREE_LIST 123 124 The methods that work on the TBD ring are protected via priv->low_lock. 125 126- The internal data state of the device itself 127- Access to the firmware read/write indexes for the BD queues 128 and associated logic 129 130All external entry functions are locked with the priv->action_lock to ensure 131that only one external action is invoked at a time. 132 133 134*/ 135 136#include <linux/compiler.h> 137#include <linux/errno.h> 138#include <linux/if_arp.h> 139#include <linux/in6.h> 140#include <linux/in.h> 141#include <linux/ip.h> 142#include <linux/kernel.h> 143#include <linux/kmod.h> 144#include <linux/module.h> 145#include <linux/netdevice.h> 146#include <linux/ethtool.h> 147#include <linux/pci.h> 148#include <linux/dma-mapping.h> 149#include <linux/proc_fs.h> 150#include <linux/skbuff.h> 151#include <asm/uaccess.h> 152#include <asm/io.h> 153#include <linux/fs.h> 154#include <linux/mm.h> 155#include <linux/slab.h> 156#include <linux/unistd.h> 157#include <linux/stringify.h> 158#include <linux/tcp.h> 159#include <linux/types.h> 160#include <linux/version.h> 161#include <linux/time.h> 162#include <linux/firmware.h> 163#include <linux/acpi.h> 164#include <linux/ctype.h> 165#include <linux/latency.h> 166 167#include "ipw2100.h" 168 169#define IPW2100_VERSION "git-1.2.2" 170 171#define DRV_NAME "ipw2100" 172#define DRV_VERSION IPW2100_VERSION 173#define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2100 Network Driver" 174#define DRV_COPYRIGHT "Copyright(c) 2003-2006 Intel Corporation" 175 176/* Debugging stuff */ 177#ifdef CONFIG_IPW2100_DEBUG 178#define IPW2100_RX_DEBUG /* Reception debugging */ 179#endif 180 181MODULE_DESCRIPTION(DRV_DESCRIPTION); 182MODULE_VERSION(DRV_VERSION); 183MODULE_AUTHOR(DRV_COPYRIGHT); 184MODULE_LICENSE("GPL"); 185 186static int debug = 0; 187static int mode = 0; 188static int channel = 0; 189static int associate = 1; 190static int disable = 0; 191#ifdef CONFIG_PM 192static struct ipw2100_fw ipw2100_firmware; 193#endif 194 195#include <linux/moduleparam.h> 196module_param(debug, int, 0444); 197module_param(mode, int, 0444); 198module_param(channel, int, 0444); 199module_param(associate, int, 0444); 200module_param(disable, int, 0444); 201 202MODULE_PARM_DESC(debug, "debug level"); 203MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)"); 204MODULE_PARM_DESC(channel, "channel"); 205MODULE_PARM_DESC(associate, "auto associate when scanning (default on)"); 206MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); 207 208static u32 ipw2100_debug_level = IPW_DL_NONE; 209 210#ifdef CONFIG_IPW2100_DEBUG 211#define IPW_DEBUG(level, message...) \ 212do { \ 213 if (ipw2100_debug_level & (level)) { \ 214 printk(KERN_DEBUG "ipw2100: %c %s ", \ 215 in_interrupt() ? 'I' : 'U', __FUNCTION__); \ 216 printk(message); \ 217 } \ 218} while (0) 219#else 220#define IPW_DEBUG(level, message...) do {} while (0) 221#endif /* CONFIG_IPW2100_DEBUG */ 222 223#ifdef CONFIG_IPW2100_DEBUG 224static const char *command_types[] = { 225 "undefined", 226 "unused", /* HOST_ATTENTION */ 227 "HOST_COMPLETE", 228 "unused", /* SLEEP */ 229 "unused", /* HOST_POWER_DOWN */ 230 "unused", 231 "SYSTEM_CONFIG", 232 "unused", /* SET_IMR */ 233 "SSID", 234 "MANDATORY_BSSID", 235 "AUTHENTICATION_TYPE", 236 "ADAPTER_ADDRESS", 237 "PORT_TYPE", 238 "INTERNATIONAL_MODE", 239 "CHANNEL", 240 "RTS_THRESHOLD", 241 "FRAG_THRESHOLD", 242 "POWER_MODE", 243 "TX_RATES", 244 "BASIC_TX_RATES", 245 "WEP_KEY_INFO", 246 "unused", 247 "unused", 248 "unused", 249 "unused", 250 "WEP_KEY_INDEX", 251 "WEP_FLAGS", 252 "ADD_MULTICAST", 253 "CLEAR_ALL_MULTICAST", 254 "BEACON_INTERVAL", 255 "ATIM_WINDOW", 256 "CLEAR_STATISTICS", 257 "undefined", 258 "undefined", 259 "undefined", 260 "undefined", 261 "TX_POWER_INDEX", 262 "undefined", 263 "undefined", 264 "undefined", 265 "undefined", 266 "undefined", 267 "undefined", 268 "BROADCAST_SCAN", 269 "CARD_DISABLE", 270 "PREFERRED_BSSID", 271 "SET_SCAN_OPTIONS", 272 "SCAN_DWELL_TIME", 273 "SWEEP_TABLE", 274 "AP_OR_STATION_TABLE", 275 "GROUP_ORDINALS", 276 "SHORT_RETRY_LIMIT", 277 "LONG_RETRY_LIMIT", 278 "unused", /* SAVE_CALIBRATION */ 279 "unused", /* RESTORE_CALIBRATION */ 280 "undefined", 281 "undefined", 282 "undefined", 283 "HOST_PRE_POWER_DOWN", 284 "unused", /* HOST_INTERRUPT_COALESCING */ 285 "undefined", 286 "CARD_DISABLE_PHY_OFF", 287 "MSDU_TX_RATES" "undefined", 288 "undefined", 289 "SET_STATION_STAT_BITS", 290 "CLEAR_STATIONS_STAT_BITS", 291 "LEAP_ROGUE_MODE", 292 "SET_SECURITY_INFORMATION", 293 "DISASSOCIATION_BSSID", 294 "SET_WPA_ASS_IE" 295}; 296#endif 297 298/* Pre-decl until we get the code solid and then we can clean it up */ 299static void ipw2100_tx_send_commands(struct ipw2100_priv *priv); 300static void ipw2100_tx_send_data(struct ipw2100_priv *priv); 301static int ipw2100_adapter_setup(struct ipw2100_priv *priv); 302 303static void ipw2100_queues_initialize(struct ipw2100_priv *priv); 304static void ipw2100_queues_free(struct ipw2100_priv *priv); 305static int ipw2100_queues_allocate(struct ipw2100_priv *priv); 306 307static int ipw2100_fw_download(struct ipw2100_priv *priv, 308 struct ipw2100_fw *fw); 309static int ipw2100_get_firmware(struct ipw2100_priv *priv, 310 struct ipw2100_fw *fw); 311static int ipw2100_get_fwversion(struct ipw2100_priv *priv, char *buf, 312 size_t max); 313static int ipw2100_get_ucodeversion(struct ipw2100_priv *priv, char *buf, 314 size_t max); 315static void ipw2100_release_firmware(struct ipw2100_priv *priv, 316 struct ipw2100_fw *fw); 317static int ipw2100_ucode_download(struct ipw2100_priv *priv, 318 struct ipw2100_fw *fw); 319static void ipw2100_wx_event_work(struct work_struct *work); 320static struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device *dev); 321static struct iw_handler_def ipw2100_wx_handler_def; 322 323static inline void read_register(struct net_device *dev, u32 reg, u32 * val) 324{ 325 *val = readl((void __iomem *)(dev->base_addr + reg)); 326 IPW_DEBUG_IO("r: 0x%08X => 0x%08X\n", reg, *val); 327} 328 329static inline void write_register(struct net_device *dev, u32 reg, u32 val) 330{ 331 writel(val, (void __iomem *)(dev->base_addr + reg)); 332 IPW_DEBUG_IO("w: 0x%08X <= 0x%08X\n", reg, val); 333} 334 335static inline void read_register_word(struct net_device *dev, u32 reg, 336 u16 * val) 337{ 338 *val = readw((void __iomem *)(dev->base_addr + reg)); 339 IPW_DEBUG_IO("r: 0x%08X => %04X\n", reg, *val); 340} 341 342static inline void read_register_byte(struct net_device *dev, u32 reg, u8 * val) 343{ 344 *val = readb((void __iomem *)(dev->base_addr + reg)); 345 IPW_DEBUG_IO("r: 0x%08X => %02X\n", reg, *val); 346} 347 348static inline void write_register_word(struct net_device *dev, u32 reg, u16 val) 349{ 350 writew(val, (void __iomem *)(dev->base_addr + reg)); 351 IPW_DEBUG_IO("w: 0x%08X <= %04X\n", reg, val); 352} 353 354static inline void write_register_byte(struct net_device *dev, u32 reg, u8 val) 355{ 356 writeb(val, (void __iomem *)(dev->base_addr + reg)); 357 IPW_DEBUG_IO("w: 0x%08X =< %02X\n", reg, val); 358} 359 360static inline void read_nic_dword(struct net_device *dev, u32 addr, u32 * val) 361{ 362 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 363 addr & IPW_REG_INDIRECT_ADDR_MASK); 364 read_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); 365} 366 367static inline void write_nic_dword(struct net_device *dev, u32 addr, u32 val) 368{ 369 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 370 addr & IPW_REG_INDIRECT_ADDR_MASK); 371 write_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); 372} 373 374static inline void read_nic_word(struct net_device *dev, u32 addr, u16 * val) 375{ 376 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 377 addr & IPW_REG_INDIRECT_ADDR_MASK); 378 read_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); 379} 380 381static inline void write_nic_word(struct net_device *dev, u32 addr, u16 val) 382{ 383 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 384 addr & IPW_REG_INDIRECT_ADDR_MASK); 385 write_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); 386} 387 388static inline void read_nic_byte(struct net_device *dev, u32 addr, u8 * val) 389{ 390 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 391 addr & IPW_REG_INDIRECT_ADDR_MASK); 392 read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); 393} 394 395static inline void write_nic_byte(struct net_device *dev, u32 addr, u8 val) 396{ 397 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 398 addr & IPW_REG_INDIRECT_ADDR_MASK); 399 write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val); 400} 401 402static inline void write_nic_auto_inc_address(struct net_device *dev, u32 addr) 403{ 404 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, 405 addr & IPW_REG_INDIRECT_ADDR_MASK); 406} 407 408static inline void write_nic_dword_auto_inc(struct net_device *dev, u32 val) 409{ 410 write_register(dev, IPW_REG_AUTOINCREMENT_DATA, val); 411} 412 413static void write_nic_memory(struct net_device *dev, u32 addr, u32 len, 414 const u8 * buf) 415{ 416 u32 aligned_addr; 417 u32 aligned_len; 418 u32 dif_len; 419 u32 i; 420 421 /* read first nibble byte by byte */ 422 aligned_addr = addr & (~0x3); 423 dif_len = addr - aligned_addr; 424 if (dif_len) { 425 /* Start reading at aligned_addr + dif_len */ 426 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 427 aligned_addr); 428 for (i = dif_len; i < 4; i++, buf++) 429 write_register_byte(dev, 430 IPW_REG_INDIRECT_ACCESS_DATA + i, 431 *buf); 432 433 len -= dif_len; 434 aligned_addr += 4; 435 } 436 437 /* read DWs through autoincrement registers */ 438 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, aligned_addr); 439 aligned_len = len & (~0x3); 440 for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4) 441 write_register(dev, IPW_REG_AUTOINCREMENT_DATA, *(u32 *) buf); 442 443 /* copy the last nibble */ 444 dif_len = len - aligned_len; 445 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, aligned_addr); 446 for (i = 0; i < dif_len; i++, buf++) 447 write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA + i, 448 *buf); 449} 450 451static void read_nic_memory(struct net_device *dev, u32 addr, u32 len, 452 u8 * buf) 453{ 454 u32 aligned_addr; 455 u32 aligned_len; 456 u32 dif_len; 457 u32 i; 458 459 /* read first nibble byte by byte */ 460 aligned_addr = addr & (~0x3); 461 dif_len = addr - aligned_addr; 462 if (dif_len) { 463 /* Start reading at aligned_addr + dif_len */ 464 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, 465 aligned_addr); 466 for (i = dif_len; i < 4; i++, buf++) 467 read_register_byte(dev, 468 IPW_REG_INDIRECT_ACCESS_DATA + i, 469 buf); 470 471 len -= dif_len; 472 aligned_addr += 4; 473 } 474 475 /* read DWs through autoincrement registers */ 476 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, aligned_addr); 477 aligned_len = len & (~0x3); 478 for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4) 479 read_register(dev, IPW_REG_AUTOINCREMENT_DATA, (u32 *) buf); 480 481 /* copy the last nibble */ 482 dif_len = len - aligned_len; 483 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, aligned_addr); 484 for (i = 0; i < dif_len; i++, buf++) 485 read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA + i, buf); 486} 487 488static inline int ipw2100_hw_is_adapter_in_system(struct net_device *dev) 489{ 490 return (dev->base_addr && 491 (readl 492 ((void __iomem *)(dev->base_addr + 493 IPW_REG_DOA_DEBUG_AREA_START)) 494 == IPW_DATA_DOA_DEBUG_VALUE)); 495} 496 497static int ipw2100_get_ordinal(struct ipw2100_priv *priv, u32 ord, 498 void *val, u32 * len) 499{ 500 struct ipw2100_ordinals *ordinals = &priv->ordinals; 501 u32 addr; 502 u32 field_info; 503 u16 field_len; 504 u16 field_count; 505 u32 total_length; 506 507 if (ordinals->table1_addr == 0) { 508 printk(KERN_WARNING DRV_NAME ": attempt to use fw ordinals " 509 "before they have been loaded.\n"); 510 return -EINVAL; 511 } 512 513 if (IS_ORDINAL_TABLE_ONE(ordinals, ord)) { 514 if (*len < IPW_ORD_TAB_1_ENTRY_SIZE) { 515 *len = IPW_ORD_TAB_1_ENTRY_SIZE; 516 517 printk(KERN_WARNING DRV_NAME 518 ": ordinal buffer length too small, need %zd\n", 519 IPW_ORD_TAB_1_ENTRY_SIZE); 520 521 return -EINVAL; 522 } 523 524 read_nic_dword(priv->net_dev, 525 ordinals->table1_addr + (ord << 2), &addr); 526 read_nic_dword(priv->net_dev, addr, val); 527 528 *len = IPW_ORD_TAB_1_ENTRY_SIZE; 529 530 return 0; 531 } 532 533 if (IS_ORDINAL_TABLE_TWO(ordinals, ord)) { 534 535 ord -= IPW_START_ORD_TAB_2; 536 537 /* get the address of statistic */ 538 read_nic_dword(priv->net_dev, 539 ordinals->table2_addr + (ord << 3), &addr); 540 541 /* get the second DW of statistics ; 542 * two 16-bit words - first is length, second is count */ 543 read_nic_dword(priv->net_dev, 544 ordinals->table2_addr + (ord << 3) + sizeof(u32), 545 &field_info); 546 547 /* get each entry length */ 548 field_len = *((u16 *) & field_info); 549 550 /* get number of entries */ 551 field_count = *(((u16 *) & field_info) + 1); 552 553 /* abort if no enought memory */ 554 total_length = field_len * field_count; 555 if (total_length > *len) { 556 *len = total_length; 557 return -EINVAL; 558 } 559 560 *len = total_length; 561 if (!total_length) 562 return 0; 563 564 /* read the ordinal data from the SRAM */ 565 read_nic_memory(priv->net_dev, addr, total_length, val); 566 567 return 0; 568 } 569 570 printk(KERN_WARNING DRV_NAME ": ordinal %d neither in table 1 nor " 571 "in table 2\n", ord); 572 573 return -EINVAL; 574} 575 576static int ipw2100_set_ordinal(struct ipw2100_priv *priv, u32 ord, u32 * val, 577 u32 * len) 578{ 579 struct ipw2100_ordinals *ordinals = &priv->ordinals; 580 u32 addr; 581 582 if (IS_ORDINAL_TABLE_ONE(ordinals, ord)) { 583 if (*len != IPW_ORD_TAB_1_ENTRY_SIZE) { 584 *len = IPW_ORD_TAB_1_ENTRY_SIZE; 585 IPW_DEBUG_INFO("wrong size\n"); 586 return -EINVAL; 587 } 588 589 read_nic_dword(priv->net_dev, 590 ordinals->table1_addr + (ord << 2), &addr); 591 592 write_nic_dword(priv->net_dev, addr, *val); 593 594 *len = IPW_ORD_TAB_1_ENTRY_SIZE; 595 596 return 0; 597 } 598 599 IPW_DEBUG_INFO("wrong table\n"); 600 if (IS_ORDINAL_TABLE_TWO(ordinals, ord)) 601 return -EINVAL; 602 603 return -EINVAL; 604} 605 606static char *snprint_line(char *buf, size_t count, 607 const u8 * data, u32 len, u32 ofs) 608{ 609 int out, i, j, l; 610 char c; 611 612 out = snprintf(buf, count, "%08X", ofs); 613 614 for (l = 0, i = 0; i < 2; i++) { 615 out += snprintf(buf + out, count - out, " "); 616 for (j = 0; j < 8 && l < len; j++, l++) 617 out += snprintf(buf + out, count - out, "%02X ", 618 data[(i * 8 + j)]); 619 for (; j < 8; j++) 620 out += snprintf(buf + out, count - out, " "); 621 } 622 623 out += snprintf(buf + out, count - out, " "); 624 for (l = 0, i = 0; i < 2; i++) { 625 out += snprintf(buf + out, count - out, " "); 626 for (j = 0; j < 8 && l < len; j++, l++) { 627 c = data[(i * 8 + j)]; 628 if (!isascii(c) || !isprint(c)) 629 c = '.'; 630 631 out += snprintf(buf + out, count - out, "%c", c); 632 } 633 634 for (; j < 8; j++) 635 out += snprintf(buf + out, count - out, " "); 636 } 637 638 return buf; 639} 640 641static void printk_buf(int level, const u8 * data, u32 len) 642{ 643 char line[81]; 644 u32 ofs = 0; 645 if (!(ipw2100_debug_level & level)) 646 return; 647 648 while (len) { 649 printk(KERN_DEBUG "%s\n", 650 snprint_line(line, sizeof(line), &data[ofs], 651 min(len, 16U), ofs)); 652 ofs += 16; 653 len -= min(len, 16U); 654 } 655} 656 657#define MAX_RESET_BACKOFF 10 658 659static void schedule_reset(struct ipw2100_priv *priv) 660{ 661 unsigned long now = get_seconds(); 662 663 /* If we haven't received a reset request within the backoff period, 664 * then we can reset the backoff interval so this reset occurs 665 * immediately */ 666 if (priv->reset_backoff && 667 (now - priv->last_reset > priv->reset_backoff)) 668 priv->reset_backoff = 0; 669 670 priv->last_reset = get_seconds(); 671 672 if (!(priv->status & STATUS_RESET_PENDING)) { 673 IPW_DEBUG_INFO("%s: Scheduling firmware restart (%ds).\n", 674 priv->net_dev->name, priv->reset_backoff); 675 netif_carrier_off(priv->net_dev); 676 netif_stop_queue(priv->net_dev); 677 priv->status |= STATUS_RESET_PENDING; 678 if (priv->reset_backoff) 679 queue_delayed_work(priv->workqueue, &priv->reset_work, 680 priv->reset_backoff * HZ); 681 else 682 queue_delayed_work(priv->workqueue, &priv->reset_work, 683 0); 684 685 if (priv->reset_backoff < MAX_RESET_BACKOFF) 686 priv->reset_backoff++; 687 688 wake_up_interruptible(&priv->wait_command_queue); 689 } else 690 IPW_DEBUG_INFO("%s: Firmware restart already in progress.\n", 691 priv->net_dev->name); 692 693} 694 695#define HOST_COMPLETE_TIMEOUT (2 * HZ) 696static int ipw2100_hw_send_command(struct ipw2100_priv *priv, 697 struct host_command *cmd) 698{ 699 struct list_head *element; 700 struct ipw2100_tx_packet *packet; 701 unsigned long flags; 702 int err = 0; 703 704 IPW_DEBUG_HC("Sending %s command (#%d), %d bytes\n", 705 command_types[cmd->host_command], cmd->host_command, 706 cmd->host_command_length); 707 printk_buf(IPW_DL_HC, (u8 *) cmd->host_command_parameters, 708 cmd->host_command_length); 709 710 spin_lock_irqsave(&priv->low_lock, flags); 711 712 if (priv->fatal_error) { 713 IPW_DEBUG_INFO 714 ("Attempt to send command while hardware in fatal error condition.\n"); 715 err = -EIO; 716 goto fail_unlock; 717 } 718 719 if (!(priv->status & STATUS_RUNNING)) { 720 IPW_DEBUG_INFO 721 ("Attempt to send command while hardware is not running.\n"); 722 err = -EIO; 723 goto fail_unlock; 724 } 725 726 if (priv->status & STATUS_CMD_ACTIVE) { 727 IPW_DEBUG_INFO 728 ("Attempt to send command while another command is pending.\n"); 729 err = -EBUSY; 730 goto fail_unlock; 731 } 732 733 if (list_empty(&priv->msg_free_list)) { 734 IPW_DEBUG_INFO("no available msg buffers\n"); 735 goto fail_unlock; 736 } 737 738 priv->status |= STATUS_CMD_ACTIVE; 739 priv->messages_sent++; 740 741 element = priv->msg_free_list.next; 742 743 packet = list_entry(element, struct ipw2100_tx_packet, list); 744 packet->jiffy_start = jiffies; 745 746 /* initialize the firmware command packet */ 747 packet->info.c_struct.cmd->host_command_reg = cmd->host_command; 748 packet->info.c_struct.cmd->host_command_reg1 = cmd->host_command1; 749 packet->info.c_struct.cmd->host_command_len_reg = 750 cmd->host_command_length; 751 packet->info.c_struct.cmd->sequence = cmd->host_command_sequence; 752 753 memcpy(packet->info.c_struct.cmd->host_command_params_reg, 754 cmd->host_command_parameters, 755 sizeof(packet->info.c_struct.cmd->host_command_params_reg)); 756 757 list_del(element); 758 DEC_STAT(&priv->msg_free_stat); 759 760 list_add_tail(element, &priv->msg_pend_list); 761 INC_STAT(&priv->msg_pend_stat); 762 763 ipw2100_tx_send_commands(priv); 764 ipw2100_tx_send_data(priv); 765 766 spin_unlock_irqrestore(&priv->low_lock, flags); 767 768 /* 769 * We must wait for this command to complete before another 770 * command can be sent... but if we wait more than 3 seconds 771 * then there is a problem. 772 */ 773 774 err = 775 wait_event_interruptible_timeout(priv->wait_command_queue, 776 !(priv-> 777 status & STATUS_CMD_ACTIVE), 778 HOST_COMPLETE_TIMEOUT); 779 780 if (err == 0) { 781 IPW_DEBUG_INFO("Command completion failed out after %dms.\n", 782 1000 * (HOST_COMPLETE_TIMEOUT / HZ)); 783 priv->fatal_error = IPW2100_ERR_MSG_TIMEOUT; 784 priv->status &= ~STATUS_CMD_ACTIVE; 785 schedule_reset(priv); 786 return -EIO; 787 } 788 789 if (priv->fatal_error) { 790 printk(KERN_WARNING DRV_NAME ": %s: firmware fatal error\n", 791 priv->net_dev->name); 792 return -EIO; 793 } 794 795 /* !!!!! HACK TEST !!!!! 796 * When lots of debug trace statements are enabled, the driver 797 * doesn't seem to have as many firmware restart cycles... 798 * 799 * As a test, we're sticking in a 1/100s delay here */ 800 schedule_timeout_uninterruptible(msecs_to_jiffies(10)); 801 802 return 0; 803 804 fail_unlock: 805 spin_unlock_irqrestore(&priv->low_lock, flags); 806 807 return err; 808} 809 810/* 811 * Verify the values and data access of the hardware 812 * No locks needed or used. No functions called. 813 */ 814static int ipw2100_verify(struct ipw2100_priv *priv) 815{ 816 u32 data1, data2; 817 u32 address; 818 819 u32 val1 = 0x76543210; 820 u32 val2 = 0xFEDCBA98; 821 822 /* Domain 0 check - all values should be DOA_DEBUG */ 823 for (address = IPW_REG_DOA_DEBUG_AREA_START; 824 address < IPW_REG_DOA_DEBUG_AREA_END; address += sizeof(u32)) { 825 read_register(priv->net_dev, address, &data1); 826 if (data1 != IPW_DATA_DOA_DEBUG_VALUE) 827 return -EIO; 828 } 829 830 /* Domain 1 check - use arbitrary read/write compare */ 831 for (address = 0; address < 5; address++) { 832 /* The memory area is not used now */ 833 write_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x32, 834 val1); 835 write_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x36, 836 val2); 837 read_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x32, 838 &data1); 839 read_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x36, 840 &data2); 841 if (val1 == data1 && val2 == data2) 842 return 0; 843 } 844 845 return -EIO; 846} 847 848/* 849 * 850 * Loop until the CARD_DISABLED bit is the same value as the 851 * supplied parameter 852 * 853 * TODO: See if it would be more efficient to do a wait/wake 854 * cycle and have the completion event trigger the wakeup 855 * 856 */ 857#define IPW_CARD_DISABLE_COMPLETE_WAIT 100 // 100 milli 858static int ipw2100_wait_for_card_state(struct ipw2100_priv *priv, int state) 859{ 860 int i; 861 u32 card_state; 862 u32 len = sizeof(card_state); 863 int err; 864 865 for (i = 0; i <= IPW_CARD_DISABLE_COMPLETE_WAIT * 1000; i += 50) { 866 err = ipw2100_get_ordinal(priv, IPW_ORD_CARD_DISABLED, 867 &card_state, &len); 868 if (err) { 869 IPW_DEBUG_INFO("Query of CARD_DISABLED ordinal " 870 "failed.\n"); 871 return 0; 872 } 873 874 /* We'll break out if either the HW state says it is 875 * in the state we want, or if HOST_COMPLETE command 876 * finishes */ 877 if ((card_state == state) || 878 ((priv->status & STATUS_ENABLED) ? 879 IPW_HW_STATE_ENABLED : IPW_HW_STATE_DISABLED) == state) { 880 if (state == IPW_HW_STATE_ENABLED) 881 priv->status |= STATUS_ENABLED; 882 else 883 priv->status &= ~STATUS_ENABLED; 884 885 return 0; 886 } 887 888 udelay(50); 889 } 890 891 IPW_DEBUG_INFO("ipw2100_wait_for_card_state to %s state timed out\n", 892 state ? "DISABLED" : "ENABLED"); 893 return -EIO; 894} 895 896/********************************************************************* 897 Procedure : sw_reset_and_clock 898 Purpose : Asserts s/w reset, asserts clock initialization 899 and waits for clock stabilization 900 ********************************************************************/ 901static int sw_reset_and_clock(struct ipw2100_priv *priv) 902{ 903 int i; 904 u32 r; 905 906 // assert s/w reset 907 write_register(priv->net_dev, IPW_REG_RESET_REG, 908 IPW_AUX_HOST_RESET_REG_SW_RESET); 909 910 // wait for clock stabilization 911 for (i = 0; i < 1000; i++) { 912 udelay(IPW_WAIT_RESET_ARC_COMPLETE_DELAY); 913 914 // check clock ready bit 915 read_register(priv->net_dev, IPW_REG_RESET_REG, &r); 916 if (r & IPW_AUX_HOST_RESET_REG_PRINCETON_RESET) 917 break; 918 } 919 920 if (i == 1000) 921 return -EIO; // TODO: better error value 922 923 /* set "initialization complete" bit to move adapter to 924 * D0 state */ 925 write_register(priv->net_dev, IPW_REG_GP_CNTRL, 926 IPW_AUX_HOST_GP_CNTRL_BIT_INIT_DONE); 927 928 /* wait for clock stabilization */ 929 for (i = 0; i < 10000; i++) { 930 udelay(IPW_WAIT_CLOCK_STABILIZATION_DELAY * 4); 931 932 /* check clock ready bit */ 933 read_register(priv->net_dev, IPW_REG_GP_CNTRL, &r); 934 if (r & IPW_AUX_HOST_GP_CNTRL_BIT_CLOCK_READY) 935 break; 936 } 937 938 if (i == 10000) 939 return -EIO; /* TODO: better error value */ 940 941 /* set D0 standby bit */ 942 read_register(priv->net_dev, IPW_REG_GP_CNTRL, &r); 943 write_register(priv->net_dev, IPW_REG_GP_CNTRL, 944 r | IPW_AUX_HOST_GP_CNTRL_BIT_HOST_ALLOWS_STANDBY); 945 946 return 0; 947} 948 949/********************************************************************* 950 Procedure : ipw2100_download_firmware 951 Purpose : Initiaze adapter after power on. 952 The sequence is: 953 1. assert s/w reset first! 954 2. awake clocks & wait for clock stabilization 955 3. hold ARC (don't ask me why...) 956 4. load Dino ucode and reset/clock init again 957 5. zero-out shared mem 958 6. download f/w 959 *******************************************************************/ 960static int ipw2100_download_firmware(struct ipw2100_priv *priv) 961{ 962 u32 address; 963 int err; 964 965#ifndef CONFIG_PM 966 /* Fetch the firmware and microcode */ 967 struct ipw2100_fw ipw2100_firmware; 968#endif 969 970 if (priv->fatal_error) { 971 IPW_DEBUG_ERROR("%s: ipw2100_download_firmware called after " 972 "fatal error %d. Interface must be brought down.\n", 973 priv->net_dev->name, priv->fatal_error); 974 return -EINVAL; 975 } 976#ifdef CONFIG_PM 977 if (!ipw2100_firmware.version) { 978 err = ipw2100_get_firmware(priv, &ipw2100_firmware); 979 if (err) { 980 IPW_DEBUG_ERROR("%s: ipw2100_get_firmware failed: %d\n", 981 priv->net_dev->name, err); 982 priv->fatal_error = IPW2100_ERR_FW_LOAD; 983 goto fail; 984 } 985 } 986#else 987 err = ipw2100_get_firmware(priv, &ipw2100_firmware); 988 if (err) { 989 IPW_DEBUG_ERROR("%s: ipw2100_get_firmware failed: %d\n", 990 priv->net_dev->name, err); 991 priv->fatal_error = IPW2100_ERR_FW_LOAD; 992 goto fail; 993 } 994#endif 995 priv->firmware_version = ipw2100_firmware.version; 996 997 /* s/w reset and clock stabilization */ 998 err = sw_reset_and_clock(priv); 999 if (err) { 1000 IPW_DEBUG_ERROR("%s: sw_reset_and_clock failed: %d\n", 1001 priv->net_dev->name, err); 1002 goto fail; 1003 } 1004 1005 err = ipw2100_verify(priv); 1006 if (err) { 1007 IPW_DEBUG_ERROR("%s: ipw2100_verify failed: %d\n", 1008 priv->net_dev->name, err); 1009 goto fail; 1010 } 1011 1012 /* Hold ARC */ 1013 write_nic_dword(priv->net_dev, 1014 IPW_INTERNAL_REGISTER_HALT_AND_RESET, 0x80000000); 1015 1016 /* allow ARC to run */ 1017 write_register(priv->net_dev, IPW_REG_RESET_REG, 0); 1018 1019 /* load microcode */ 1020 err = ipw2100_ucode_download(priv, &ipw2100_firmware); 1021 if (err) { 1022 printk(KERN_ERR DRV_NAME ": %s: Error loading microcode: %d\n", 1023 priv->net_dev->name, err); 1024 goto fail; 1025 } 1026 1027 /* release ARC */ 1028 write_nic_dword(priv->net_dev, 1029 IPW_INTERNAL_REGISTER_HALT_AND_RESET, 0x00000000); 1030 1031 /* s/w reset and clock stabilization (again!!!) */ 1032 err = sw_reset_and_clock(priv); 1033 if (err) { 1034 printk(KERN_ERR DRV_NAME 1035 ": %s: sw_reset_and_clock failed: %d\n", 1036 priv->net_dev->name, err); 1037 goto fail; 1038 } 1039 1040 /* load f/w */ 1041 err = ipw2100_fw_download(priv, &ipw2100_firmware); 1042 if (err) { 1043 IPW_DEBUG_ERROR("%s: Error loading firmware: %d\n", 1044 priv->net_dev->name, err); 1045 goto fail; 1046 } 1047#ifndef CONFIG_PM 1048 /* 1049 * When the .resume method of the driver is called, the other 1050 * part of the system, i.e. the ide driver could still stay in 1051 * the suspend stage. This prevents us from loading the firmware 1052 * from the disk. --YZ 1053 */ 1054 1055 /* free any storage allocated for firmware image */ 1056 ipw2100_release_firmware(priv, &ipw2100_firmware); 1057#endif 1058 1059 /* zero out Domain 1 area indirectly (Si requirement) */ 1060 for (address = IPW_HOST_FW_SHARED_AREA0; 1061 address < IPW_HOST_FW_SHARED_AREA0_END; address += 4) 1062 write_nic_dword(priv->net_dev, address, 0); 1063 for (address = IPW_HOST_FW_SHARED_AREA1; 1064 address < IPW_HOST_FW_SHARED_AREA1_END; address += 4) 1065 write_nic_dword(priv->net_dev, address, 0); 1066 for (address = IPW_HOST_FW_SHARED_AREA2; 1067 address < IPW_HOST_FW_SHARED_AREA2_END; address += 4) 1068 write_nic_dword(priv->net_dev, address, 0); 1069 for (address = IPW_HOST_FW_SHARED_AREA3; 1070 address < IPW_HOST_FW_SHARED_AREA3_END; address += 4) 1071 write_nic_dword(priv->net_dev, address, 0); 1072 for (address = IPW_HOST_FW_INTERRUPT_AREA; 1073 address < IPW_HOST_FW_INTERRUPT_AREA_END; address += 4) 1074 write_nic_dword(priv->net_dev, address, 0); 1075 1076 return 0; 1077 1078 fail: 1079 ipw2100_release_firmware(priv, &ipw2100_firmware); 1080 return err; 1081} 1082 1083static inline void ipw2100_enable_interrupts(struct ipw2100_priv *priv) 1084{ 1085 if (priv->status & STATUS_INT_ENABLED) 1086 return; 1087 priv->status |= STATUS_INT_ENABLED; 1088 write_register(priv->net_dev, IPW_REG_INTA_MASK, IPW_INTERRUPT_MASK); 1089} 1090 1091static inline void ipw2100_disable_interrupts(struct ipw2100_priv *priv) 1092{ 1093 if (!(priv->status & STATUS_INT_ENABLED)) 1094 return; 1095 priv->status &= ~STATUS_INT_ENABLED; 1096 write_register(priv->net_dev, IPW_REG_INTA_MASK, 0x0); 1097} 1098 1099static void ipw2100_initialize_ordinals(struct ipw2100_priv *priv) 1100{ 1101 struct ipw2100_ordinals *ord = &priv->ordinals; 1102 1103 IPW_DEBUG_INFO("enter\n"); 1104 1105 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_ORDINALS_TABLE_1, 1106 &ord->table1_addr); 1107 1108 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_ORDINALS_TABLE_2, 1109 &ord->table2_addr); 1110 1111 read_nic_dword(priv->net_dev, ord->table1_addr, &ord->table1_size); 1112 read_nic_dword(priv->net_dev, ord->table2_addr, &ord->table2_size); 1113 1114 ord->table2_size &= 0x0000FFFF; 1115 1116 IPW_DEBUG_INFO("table 1 size: %d\n", ord->table1_size); 1117 IPW_DEBUG_INFO("table 2 size: %d\n", ord->table2_size); 1118 IPW_DEBUG_INFO("exit\n"); 1119} 1120 1121static inline void ipw2100_hw_set_gpio(struct ipw2100_priv *priv) 1122{ 1123 u32 reg = 0; 1124 /* 1125 * Set GPIO 3 writable by FW; GPIO 1 writable 1126 * by driver and enable clock 1127 */ 1128 reg = (IPW_BIT_GPIO_GPIO3_MASK | IPW_BIT_GPIO_GPIO1_ENABLE | 1129 IPW_BIT_GPIO_LED_OFF); 1130 write_register(priv->net_dev, IPW_REG_GPIO, reg); 1131} 1132 1133static int rf_kill_active(struct ipw2100_priv *priv) 1134{ 1135#define MAX_RF_KILL_CHECKS 5 1136#define RF_KILL_CHECK_DELAY 40 1137 1138 unsigned short value = 0; 1139 u32 reg = 0; 1140 int i; 1141 1142 if (!(priv->hw_features & HW_FEATURE_RFKILL)) { 1143 priv->status &= ~STATUS_RF_KILL_HW; 1144 return 0; 1145 } 1146 1147 for (i = 0; i < MAX_RF_KILL_CHECKS; i++) { 1148 udelay(RF_KILL_CHECK_DELAY); 1149 read_register(priv->net_dev, IPW_REG_GPIO, ®); 1150 value = (value << 1) | ((reg & IPW_BIT_GPIO_RF_KILL) ? 0 : 1); 1151 } 1152 1153 if (value == 0) 1154 priv->status |= STATUS_RF_KILL_HW; 1155 else 1156 priv->status &= ~STATUS_RF_KILL_HW; 1157 1158 return (value == 0); 1159} 1160 1161static int ipw2100_get_hw_features(struct ipw2100_priv *priv) 1162{ 1163 u32 addr, len; 1164 u32 val; 1165 1166 /* 1167 * EEPROM_SRAM_DB_START_ADDRESS using ordinal in ordinal table 1 1168 */ 1169 len = sizeof(addr); 1170 if (ipw2100_get_ordinal 1171 (priv, IPW_ORD_EEPROM_SRAM_DB_BLOCK_START_ADDRESS, &addr, &len)) { 1172 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 1173 __LINE__); 1174 return -EIO; 1175 } 1176 1177 IPW_DEBUG_INFO("EEPROM address: %08X\n", addr); 1178 1179 /* 1180 * EEPROM version is the byte at offset 0xfd in firmware 1181 * We read 4 bytes, then shift out the byte we actually want */ 1182 read_nic_dword(priv->net_dev, addr + 0xFC, &val); 1183 priv->eeprom_version = (val >> 24) & 0xFF; 1184 IPW_DEBUG_INFO("EEPROM version: %d\n", priv->eeprom_version); 1185 1186 /* 1187 * HW RF Kill enable is bit 0 in byte at offset 0x21 in firmware 1188 * 1189 * notice that the EEPROM bit is reverse polarity, i.e. 1190 * bit = 0 signifies HW RF kill switch is supported 1191 * bit = 1 signifies HW RF kill switch is NOT supported 1192 */ 1193 read_nic_dword(priv->net_dev, addr + 0x20, &val); 1194 if (!((val >> 24) & 0x01)) 1195 priv->hw_features |= HW_FEATURE_RFKILL; 1196 1197 IPW_DEBUG_INFO("HW RF Kill: %ssupported.\n", 1198 (priv->hw_features & HW_FEATURE_RFKILL) ? "" : "not "); 1199 1200 return 0; 1201} 1202 1203/* 1204 * Start firmware execution after power on and intialization 1205 * The sequence is: 1206 * 1. Release ARC 1207 * 2. Wait for f/w initialization completes; 1208 */ 1209static int ipw2100_start_adapter(struct ipw2100_priv *priv) 1210{ 1211 int i; 1212 u32 inta, inta_mask, gpio; 1213 1214 IPW_DEBUG_INFO("enter\n"); 1215 1216 if (priv->status & STATUS_RUNNING) 1217 return 0; 1218 1219 /* 1220 * Initialize the hw - drive adapter to DO state by setting 1221 * init_done bit. Wait for clk_ready bit and Download 1222 * fw & dino ucode 1223 */ 1224 if (ipw2100_download_firmware(priv)) { 1225 printk(KERN_ERR DRV_NAME 1226 ": %s: Failed to power on the adapter.\n", 1227 priv->net_dev->name); 1228 return -EIO; 1229 } 1230 1231 /* Clear the Tx, Rx and Msg queues and the r/w indexes 1232 * in the firmware RBD and TBD ring queue */ 1233 ipw2100_queues_initialize(priv); 1234 1235 ipw2100_hw_set_gpio(priv); 1236 1237 /* TODO -- Look at disabling interrupts here to make sure none 1238 * get fired during FW initialization */ 1239 1240 /* Release ARC - clear reset bit */ 1241 write_register(priv->net_dev, IPW_REG_RESET_REG, 0); 1242 1243 /* wait for f/w intialization complete */ 1244 IPW_DEBUG_FW("Waiting for f/w initialization to complete...\n"); 1245 i = 5000; 1246 do { 1247 schedule_timeout_uninterruptible(msecs_to_jiffies(40)); 1248 /* Todo... wait for sync command ... */ 1249 1250 read_register(priv->net_dev, IPW_REG_INTA, &inta); 1251 1252 /* check "init done" bit */ 1253 if (inta & IPW2100_INTA_FW_INIT_DONE) { 1254 /* reset "init done" bit */ 1255 write_register(priv->net_dev, IPW_REG_INTA, 1256 IPW2100_INTA_FW_INIT_DONE); 1257 break; 1258 } 1259 1260 /* check error conditions : we check these after the firmware 1261 * check so that if there is an error, the interrupt handler 1262 * will see it and the adapter will be reset */ 1263 if (inta & 1264 (IPW2100_INTA_FATAL_ERROR | IPW2100_INTA_PARITY_ERROR)) { 1265 /* clear error conditions */ 1266 write_register(priv->net_dev, IPW_REG_INTA, 1267 IPW2100_INTA_FATAL_ERROR | 1268 IPW2100_INTA_PARITY_ERROR); 1269 } 1270 } while (i--); 1271 1272 /* Clear out any pending INTAs since we aren't supposed to have 1273 * interrupts enabled at this point... */ 1274 read_register(priv->net_dev, IPW_REG_INTA, &inta); 1275 read_register(priv->net_dev, IPW_REG_INTA_MASK, &inta_mask); 1276 inta &= IPW_INTERRUPT_MASK; 1277 /* Clear out any pending interrupts */ 1278 if (inta & inta_mask) 1279 write_register(priv->net_dev, IPW_REG_INTA, inta); 1280 1281 IPW_DEBUG_FW("f/w initialization complete: %s\n", 1282 i ? "SUCCESS" : "FAILED"); 1283 1284 if (!i) { 1285 printk(KERN_WARNING DRV_NAME 1286 ": %s: Firmware did not initialize.\n", 1287 priv->net_dev->name); 1288 return -EIO; 1289 } 1290 1291 /* allow firmware to write to GPIO1 & GPIO3 */ 1292 read_register(priv->net_dev, IPW_REG_GPIO, &gpio); 1293 1294 gpio |= (IPW_BIT_GPIO_GPIO1_MASK | IPW_BIT_GPIO_GPIO3_MASK); 1295 1296 write_register(priv->net_dev, IPW_REG_GPIO, gpio); 1297 1298 /* Ready to receive commands */ 1299 priv->status |= STATUS_RUNNING; 1300 1301 /* The adapter has been reset; we are not associated */ 1302 priv->status &= ~(STATUS_ASSOCIATING | STATUS_ASSOCIATED); 1303 1304 IPW_DEBUG_INFO("exit\n"); 1305 1306 return 0; 1307} 1308 1309static inline void ipw2100_reset_fatalerror(struct ipw2100_priv *priv) 1310{ 1311 if (!priv->fatal_error) 1312 return; 1313 1314 priv->fatal_errors[priv->fatal_index++] = priv->fatal_error; 1315 priv->fatal_index %= IPW2100_ERROR_QUEUE; 1316 priv->fatal_error = 0; 1317} 1318 1319/* NOTE: Our interrupt is disabled when this method is called */ 1320static int ipw2100_power_cycle_adapter(struct ipw2100_priv *priv) 1321{ 1322 u32 reg; 1323 int i; 1324 1325 IPW_DEBUG_INFO("Power cycling the hardware.\n"); 1326 1327 ipw2100_hw_set_gpio(priv); 1328 1329 /* Step 1. Stop Master Assert */ 1330 write_register(priv->net_dev, IPW_REG_RESET_REG, 1331 IPW_AUX_HOST_RESET_REG_STOP_MASTER); 1332 1333 /* Step 2. Wait for stop Master Assert 1334 * (not more then 50us, otherwise ret error */ 1335 i = 5; 1336 do { 1337 udelay(IPW_WAIT_RESET_MASTER_ASSERT_COMPLETE_DELAY); 1338 read_register(priv->net_dev, IPW_REG_RESET_REG, ®); 1339 1340 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED) 1341 break; 1342 } while (i--); 1343 1344 priv->status &= ~STATUS_RESET_PENDING; 1345 1346 if (!i) { 1347 IPW_DEBUG_INFO 1348 ("exit - waited too long for master assert stop\n"); 1349 return -EIO; 1350 } 1351 1352 write_register(priv->net_dev, IPW_REG_RESET_REG, 1353 IPW_AUX_HOST_RESET_REG_SW_RESET); 1354 1355 /* Reset any fatal_error conditions */ 1356 ipw2100_reset_fatalerror(priv); 1357 1358 /* At this point, the adapter is now stopped and disabled */ 1359 priv->status &= ~(STATUS_RUNNING | STATUS_ASSOCIATING | 1360 STATUS_ASSOCIATED | STATUS_ENABLED); 1361 1362 return 0; 1363} 1364 1365/* 1366 * Send the CARD_DISABLE_PHY_OFF comamnd to the card to disable it 1367 * 1368 * After disabling, if the card was associated, a STATUS_ASSN_LOST will be sent. 1369 * 1370 * STATUS_CARD_DISABLE_NOTIFICATION will be sent regardless of 1371 * if STATUS_ASSN_LOST is sent. 1372 */ 1373static int ipw2100_hw_phy_off(struct ipw2100_priv *priv) 1374{ 1375 1376#define HW_PHY_OFF_LOOP_DELAY (HZ / 5000) 1377 1378 struct host_command cmd = { 1379 .host_command = CARD_DISABLE_PHY_OFF, 1380 .host_command_sequence = 0, 1381 .host_command_length = 0, 1382 }; 1383 int err, i; 1384 u32 val1, val2; 1385 1386 IPW_DEBUG_HC("CARD_DISABLE_PHY_OFF\n"); 1387 1388 /* Turn off the radio */ 1389 err = ipw2100_hw_send_command(priv, &cmd); 1390 if (err) 1391 return err; 1392 1393 for (i = 0; i < 2500; i++) { 1394 read_nic_dword(priv->net_dev, IPW2100_CONTROL_REG, &val1); 1395 read_nic_dword(priv->net_dev, IPW2100_COMMAND, &val2); 1396 1397 if ((val1 & IPW2100_CONTROL_PHY_OFF) && 1398 (val2 & IPW2100_COMMAND_PHY_OFF)) 1399 return 0; 1400 1401 schedule_timeout_uninterruptible(HW_PHY_OFF_LOOP_DELAY); 1402 } 1403 1404 return -EIO; 1405} 1406 1407static int ipw2100_enable_adapter(struct ipw2100_priv *priv) 1408{ 1409 struct host_command cmd = { 1410 .host_command = HOST_COMPLETE, 1411 .host_command_sequence = 0, 1412 .host_command_length = 0 1413 }; 1414 int err = 0; 1415 1416 IPW_DEBUG_HC("HOST_COMPLETE\n"); 1417 1418 if (priv->status & STATUS_ENABLED) 1419 return 0; 1420 1421 mutex_lock(&priv->adapter_mutex); 1422 1423 if (rf_kill_active(priv)) { 1424 IPW_DEBUG_HC("Command aborted due to RF kill active.\n"); 1425 goto fail_up; 1426 } 1427 1428 err = ipw2100_hw_send_command(priv, &cmd); 1429 if (err) { 1430 IPW_DEBUG_INFO("Failed to send HOST_COMPLETE command\n"); 1431 goto fail_up; 1432 } 1433 1434 err = ipw2100_wait_for_card_state(priv, IPW_HW_STATE_ENABLED); 1435 if (err) { 1436 IPW_DEBUG_INFO("%s: card not responding to init command.\n", 1437 priv->net_dev->name); 1438 goto fail_up; 1439 } 1440 1441 if (priv->stop_hang_check) { 1442 priv->stop_hang_check = 0; 1443 queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2); 1444 } 1445 1446 fail_up: 1447 mutex_unlock(&priv->adapter_mutex); 1448 return err; 1449} 1450 1451static int ipw2100_hw_stop_adapter(struct ipw2100_priv *priv) 1452{ 1453#define HW_POWER_DOWN_DELAY (msecs_to_jiffies(100)) 1454 1455 struct host_command cmd = { 1456 .host_command = HOST_PRE_POWER_DOWN, 1457 .host_command_sequence = 0, 1458 .host_command_length = 0, 1459 }; 1460 int err, i; 1461 u32 reg; 1462 1463 if (!(priv->status & STATUS_RUNNING)) 1464 return 0; 1465 1466 priv->status |= STATUS_STOPPING; 1467 1468 /* We can only shut down the card if the firmware is operational. So, 1469 * if we haven't reset since a fatal_error, then we can not send the 1470 * shutdown commands. */ 1471 if (!priv->fatal_error) { 1472 /* First, make sure the adapter is enabled so that the PHY_OFF 1473 * command can shut it down */ 1474 ipw2100_enable_adapter(priv); 1475 1476 err = ipw2100_hw_phy_off(priv); 1477 if (err) 1478 printk(KERN_WARNING DRV_NAME 1479 ": Error disabling radio %d\n", err); 1480 1481 /* 1482 * If in D0-standby mode going directly to D3 may cause a 1483 * PCI bus violation. Therefore we must change out of the D0 1484 * state. 1485 * 1486 * Sending the PREPARE_FOR_POWER_DOWN will restrict the 1487 * hardware from going into standby mode and will transition 1488 * out of D0-standby if it is already in that state. 1489 * 1490 * STATUS_PREPARE_POWER_DOWN_COMPLETE will be sent by the 1491 * driver upon completion. Once received, the driver can 1492 * proceed to the D3 state. 1493 * 1494 * Prepare for power down command to fw. This command would 1495 * take HW out of D0-standby and prepare it for D3 state. 1496 * 1497 * Currently FW does not support event notification for this 1498 * event. Therefore, skip waiting for it. Just wait a fixed 1499 * 100ms 1500 */ 1501 IPW_DEBUG_HC("HOST_PRE_POWER_DOWN\n"); 1502 1503 err = ipw2100_hw_send_command(priv, &cmd); 1504 if (err) 1505 printk(KERN_WARNING DRV_NAME ": " 1506 "%s: Power down command failed: Error %d\n", 1507 priv->net_dev->name, err); 1508 else 1509 schedule_timeout_uninterruptible(HW_POWER_DOWN_DELAY); 1510 } 1511 1512 priv->status &= ~STATUS_ENABLED; 1513 1514 /* 1515 * Set GPIO 3 writable by FW; GPIO 1 writable 1516 * by driver and enable clock 1517 */ 1518 ipw2100_hw_set_gpio(priv); 1519 1520 /* 1521 * Power down adapter. Sequence: 1522 * 1. Stop master assert (RESET_REG[9]=1) 1523 * 2. Wait for stop master (RESET_REG[8]==1) 1524 * 3. S/w reset assert (RESET_REG[7] = 1) 1525 */ 1526 1527 /* Stop master assert */ 1528 write_register(priv->net_dev, IPW_REG_RESET_REG, 1529 IPW_AUX_HOST_RESET_REG_STOP_MASTER); 1530 1531 /* wait stop master not more than 50 usec. 1532 * Otherwise return error. */ 1533 for (i = 5; i > 0; i--) { 1534 udelay(10); 1535 1536 /* Check master stop bit */ 1537 read_register(priv->net_dev, IPW_REG_RESET_REG, ®); 1538 1539 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED) 1540 break; 1541 } 1542 1543 if (i == 0) 1544 printk(KERN_WARNING DRV_NAME 1545 ": %s: Could now power down adapter.\n", 1546 priv->net_dev->name); 1547 1548 /* assert s/w reset */ 1549 write_register(priv->net_dev, IPW_REG_RESET_REG, 1550 IPW_AUX_HOST_RESET_REG_SW_RESET); 1551 1552 priv->status &= ~(STATUS_RUNNING | STATUS_STOPPING); 1553 1554 return 0; 1555} 1556 1557static int ipw2100_disable_adapter(struct ipw2100_priv *priv) 1558{ 1559 struct host_command cmd = { 1560 .host_command = CARD_DISABLE, 1561 .host_command_sequence = 0, 1562 .host_command_length = 0 1563 }; 1564 int err = 0; 1565 1566 IPW_DEBUG_HC("CARD_DISABLE\n"); 1567 1568 if (!(priv->status & STATUS_ENABLED)) 1569 return 0; 1570 1571 /* Make sure we clear the associated state */ 1572 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING); 1573 1574 if (!priv->stop_hang_check) { 1575 priv->stop_hang_check = 1; 1576 cancel_delayed_work(&priv->hang_check); 1577 } 1578 1579 mutex_lock(&priv->adapter_mutex); 1580 1581 err = ipw2100_hw_send_command(priv, &cmd); 1582 if (err) { 1583 printk(KERN_WARNING DRV_NAME 1584 ": exit - failed to send CARD_DISABLE command\n"); 1585 goto fail_up; 1586 } 1587 1588 err = ipw2100_wait_for_card_state(priv, IPW_HW_STATE_DISABLED); 1589 if (err) { 1590 printk(KERN_WARNING DRV_NAME 1591 ": exit - card failed to change to DISABLED\n"); 1592 goto fail_up; 1593 } 1594 1595 IPW_DEBUG_INFO("TODO: implement scan state machine\n"); 1596 1597 fail_up: 1598 mutex_unlock(&priv->adapter_mutex); 1599 return err; 1600} 1601 1602static int ipw2100_set_scan_options(struct ipw2100_priv *priv) 1603{ 1604 struct host_command cmd = { 1605 .host_command = SET_SCAN_OPTIONS, 1606 .host_command_sequence = 0, 1607 .host_command_length = 8 1608 }; 1609 int err; 1610 1611 IPW_DEBUG_INFO("enter\n"); 1612 1613 IPW_DEBUG_SCAN("setting scan options\n"); 1614 1615 cmd.host_command_parameters[0] = 0; 1616 1617 if (!(priv->config & CFG_ASSOCIATE)) 1618 cmd.host_command_parameters[0] |= IPW_SCAN_NOASSOCIATE; 1619 if ((priv->ieee->sec.flags & SEC_ENABLED) && priv->ieee->sec.enabled) 1620 cmd.host_command_parameters[0] |= IPW_SCAN_MIXED_CELL; 1621 if (priv->config & CFG_PASSIVE_SCAN) 1622 cmd.host_command_parameters[0] |= IPW_SCAN_PASSIVE; 1623 1624 cmd.host_command_parameters[1] = priv->channel_mask; 1625 1626 err = ipw2100_hw_send_command(priv, &cmd); 1627 1628 IPW_DEBUG_HC("SET_SCAN_OPTIONS 0x%04X\n", 1629 cmd.host_command_parameters[0]); 1630 1631 return err; 1632} 1633 1634static int ipw2100_start_scan(struct ipw2100_priv *priv) 1635{ 1636 struct host_command cmd = { 1637 .host_command = BROADCAST_SCAN, 1638 .host_command_sequence = 0, 1639 .host_command_length = 4 1640 }; 1641 int err; 1642 1643 IPW_DEBUG_HC("START_SCAN\n"); 1644 1645 cmd.host_command_parameters[0] = 0; 1646 1647 /* No scanning if in monitor mode */ 1648 if (priv->ieee->iw_mode == IW_MODE_MONITOR) 1649 return 1; 1650 1651 if (priv->status & STATUS_SCANNING) { 1652 IPW_DEBUG_SCAN("Scan requested while already in scan...\n"); 1653 return 0; 1654 } 1655 1656 IPW_DEBUG_INFO("enter\n"); 1657 1658 /* Not clearing here; doing so makes iwlist always return nothing... 1659 * 1660 * We should modify the table logic to use aging tables vs. clearing 1661 * the table on each scan start. 1662 */ 1663 IPW_DEBUG_SCAN("starting scan\n"); 1664 1665 priv->status |= STATUS_SCANNING; 1666 err = ipw2100_hw_send_command(priv, &cmd); 1667 if (err) 1668 priv->status &= ~STATUS_SCANNING; 1669 1670 IPW_DEBUG_INFO("exit\n"); 1671 1672 return err; 1673} 1674 1675static const struct ieee80211_geo ipw_geos[] = { 1676 { /* Restricted */ 1677 "---", 1678 .bg_channels = 14, 1679 .bg = {{2412, 1}, {2417, 2}, {2422, 3}, 1680 {2427, 4}, {2432, 5}, {2437, 6}, 1681 {2442, 7}, {2447, 8}, {2452, 9}, 1682 {2457, 10}, {2462, 11}, {2467, 12}, 1683 {2472, 13}, {2484, 14}}, 1684 }, 1685}; 1686 1687static int ipw2100_up(struct ipw2100_priv *priv, int deferred) 1688{ 1689 unsigned long flags; 1690 int rc = 0; 1691 u32 lock; 1692 u32 ord_len = sizeof(lock); 1693 1694 /* Quite if manually disabled. */ 1695 if (priv->status & STATUS_RF_KILL_SW) { 1696 IPW_DEBUG_INFO("%s: Radio is disabled by Manual Disable " 1697 "switch\n", priv->net_dev->name); 1698 return 0; 1699 } 1700 1701 /* the ipw2100 hardware really doesn't want power management delays 1702 * longer than 175usec 1703 */ 1704 modify_acceptable_latency("ipw2100", 175); 1705 1706 /* If the interrupt is enabled, turn it off... */ 1707 spin_lock_irqsave(&priv->low_lock, flags); 1708 ipw2100_disable_interrupts(priv); 1709 1710 /* Reset any fatal_error conditions */ 1711 ipw2100_reset_fatalerror(priv); 1712 spin_unlock_irqrestore(&priv->low_lock, flags); 1713 1714 if (priv->status & STATUS_POWERED || 1715 (priv->status & STATUS_RESET_PENDING)) { 1716 /* Power cycle the card ... */ 1717 if (ipw2100_power_cycle_adapter(priv)) { 1718 printk(KERN_WARNING DRV_NAME 1719 ": %s: Could not cycle adapter.\n", 1720 priv->net_dev->name); 1721 rc = 1; 1722 goto exit; 1723 } 1724 } else 1725 priv->status |= STATUS_POWERED; 1726 1727 /* Load the firmware, start the clocks, etc. */ 1728 if (ipw2100_start_adapter(priv)) { 1729 printk(KERN_ERR DRV_NAME 1730 ": %s: Failed to start the firmware.\n", 1731 priv->net_dev->name); 1732 rc = 1; 1733 goto exit; 1734 } 1735 1736 ipw2100_initialize_ordinals(priv); 1737 1738 /* Determine capabilities of this particular HW configuration */ 1739 if (ipw2100_get_hw_features(priv)) { 1740 printk(KERN_ERR DRV_NAME 1741 ": %s: Failed to determine HW features.\n", 1742 priv->net_dev->name); 1743 rc = 1; 1744 goto exit; 1745 } 1746 1747 /* Initialize the geo */ 1748 if (ieee80211_set_geo(priv->ieee, &ipw_geos[0])) { 1749 printk(KERN_WARNING DRV_NAME "Could not set geo\n"); 1750 return 0; 1751 } 1752 priv->ieee->freq_band = IEEE80211_24GHZ_BAND; 1753 1754 lock = LOCK_NONE; 1755 if (ipw2100_set_ordinal(priv, IPW_ORD_PERS_DB_LOCK, &lock, &ord_len)) { 1756 printk(KERN_ERR DRV_NAME 1757 ": %s: Failed to clear ordinal lock.\n", 1758 priv->net_dev->name); 1759 rc = 1; 1760 goto exit; 1761 } 1762 1763 priv->status &= ~STATUS_SCANNING; 1764 1765 if (rf_kill_active(priv)) { 1766 printk(KERN_INFO "%s: Radio is disabled by RF switch.\n", 1767 priv->net_dev->name); 1768 1769 if (priv->stop_rf_kill) { 1770 priv->stop_rf_kill = 0; 1771 queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); 1772 } 1773 1774 deferred = 1; 1775 } 1776 1777 /* Turn on the interrupt so that commands can be processed */ 1778 ipw2100_enable_interrupts(priv); 1779 1780 /* Send all of the commands that must be sent prior to 1781 * HOST_COMPLETE */ 1782 if (ipw2100_adapter_setup(priv)) { 1783 printk(KERN_ERR DRV_NAME ": %s: Failed to start the card.\n", 1784 priv->net_dev->name); 1785 rc = 1; 1786 goto exit; 1787 } 1788 1789 if (!deferred) { 1790 /* Enable the adapter - sends HOST_COMPLETE */ 1791 if (ipw2100_enable_adapter(priv)) { 1792 printk(KERN_ERR DRV_NAME ": " 1793 "%s: failed in call to enable adapter.\n", 1794 priv->net_dev->name); 1795 ipw2100_hw_stop_adapter(priv); 1796 rc = 1; 1797 goto exit; 1798 } 1799 1800 /* Start a scan . . . */ 1801 ipw2100_set_scan_options(priv); 1802 ipw2100_start_scan(priv); 1803 } 1804 1805 exit: 1806 return rc; 1807} 1808 1809/* Called by register_netdev() */ 1810static int ipw2100_net_init(struct net_device *dev) 1811{ 1812 struct ipw2100_priv *priv = ieee80211_priv(dev); 1813 return ipw2100_up(priv, 1); 1814} 1815 1816static void ipw2100_down(struct ipw2100_priv *priv) 1817{ 1818 unsigned long flags; 1819 union iwreq_data wrqu = { 1820 .ap_addr = { 1821 .sa_family = ARPHRD_ETHER} 1822 }; 1823 int associated = priv->status & STATUS_ASSOCIATED; 1824 1825 /* Kill the RF switch timer */ 1826 if (!priv->stop_rf_kill) { 1827 priv->stop_rf_kill = 1; 1828 cancel_delayed_work(&priv->rf_kill); 1829 } 1830 1831 /* Kill the firmare hang check timer */ 1832 if (!priv->stop_hang_check) { 1833 priv->stop_hang_check = 1; 1834 cancel_delayed_work(&priv->hang_check); 1835 } 1836 1837 /* Kill any pending resets */ 1838 if (priv->status & STATUS_RESET_PENDING) 1839 cancel_delayed_work(&priv->reset_work); 1840 1841 /* Make sure the interrupt is on so that FW commands will be 1842 * processed correctly */ 1843 spin_lock_irqsave(&priv->low_lock, flags); 1844 ipw2100_enable_interrupts(priv); 1845 spin_unlock_irqrestore(&priv->low_lock, flags); 1846 1847 if (ipw2100_hw_stop_adapter(priv)) 1848 printk(KERN_ERR DRV_NAME ": %s: Error stopping adapter.\n", 1849 priv->net_dev->name); 1850 1851 /* Do not disable the interrupt until _after_ we disable 1852 * the adaptor. Otherwise the CARD_DISABLE command will never 1853 * be ack'd by the firmware */ 1854 spin_lock_irqsave(&priv->low_lock, flags); 1855 ipw2100_disable_interrupts(priv); 1856 spin_unlock_irqrestore(&priv->low_lock, flags); 1857 1858 modify_acceptable_latency("ipw2100", INFINITE_LATENCY); 1859 1860#ifdef ACPI_CSTATE_LIMIT_DEFINED 1861 if (priv->config & CFG_C3_DISABLED) { 1862 IPW_DEBUG_INFO(": Resetting C3 transitions.\n"); 1863 acpi_set_cstate_limit(priv->cstate_limit); 1864 priv->config &= ~CFG_C3_DISABLED; 1865 } 1866#endif 1867 1868 /* We have to signal any supplicant if we are disassociating */ 1869 if (associated) 1870 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL); 1871 1872 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING); 1873 netif_carrier_off(priv->net_dev); 1874 netif_stop_queue(priv->net_dev); 1875} 1876 1877static void ipw2100_reset_adapter(struct work_struct *work) 1878{ 1879 struct ipw2100_priv *priv = 1880 container_of(work, struct ipw2100_priv, reset_work.work); 1881 unsigned long flags; 1882 union iwreq_data wrqu = { 1883 .ap_addr = { 1884 .sa_family = ARPHRD_ETHER} 1885 }; 1886 int associated = priv->status & STATUS_ASSOCIATED; 1887 1888 spin_lock_irqsave(&priv->low_lock, flags); 1889 IPW_DEBUG_INFO(": %s: Restarting adapter.\n", priv->net_dev->name); 1890 priv->resets++; 1891 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING); 1892 priv->status |= STATUS_SECURITY_UPDATED; 1893 1894 /* Force a power cycle even if interface hasn't been opened 1895 * yet */ 1896 cancel_delayed_work(&priv->reset_work); 1897 priv->status |= STATUS_RESET_PENDING; 1898 spin_unlock_irqrestore(&priv->low_lock, flags); 1899 1900 mutex_lock(&priv->action_mutex); 1901 /* stop timed checks so that they don't interfere with reset */ 1902 priv->stop_hang_check = 1; 1903 cancel_delayed_work(&priv->hang_check); 1904 1905 /* We have to signal any supplicant if we are disassociating */ 1906 if (associated) 1907 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL); 1908 1909 ipw2100_up(priv, 0); 1910 mutex_unlock(&priv->action_mutex); 1911 1912} 1913 1914static void isr_indicate_associated(struct ipw2100_priv *priv, u32 status) 1915{ 1916 1917#define MAC_ASSOCIATION_READ_DELAY (HZ) 1918 int ret, len, essid_len; 1919 char essid[IW_ESSID_MAX_SIZE]; 1920 u32 txrate; 1921 u32 chan; 1922 char *txratename; 1923 u8 bssid[ETH_ALEN]; 1924 1925 /* 1926 * TBD: BSSID is usually 00:00:00:00:00:00 here and not 1927 * an actual MAC of the AP. Seems like FW sets this 1928 * address too late. Read it later and expose through 1929 * /proc or schedule a later task to query and update 1930 */ 1931 1932 essid_len = IW_ESSID_MAX_SIZE; 1933 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_SSID, 1934 essid, &essid_len); 1935 if (ret) { 1936 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 1937 __LINE__); 1938 return; 1939 } 1940 1941 len = sizeof(u32); 1942 ret = ipw2100_get_ordinal(priv, IPW_ORD_CURRENT_TX_RATE, &txrate, &len); 1943 if (ret) { 1944 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 1945 __LINE__); 1946 return; 1947 } 1948 1949 len = sizeof(u32); 1950 ret = ipw2100_get_ordinal(priv, IPW_ORD_OUR_FREQ, &chan, &len); 1951 if (ret) { 1952 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 1953 __LINE__); 1954 return; 1955 } 1956 len = ETH_ALEN; 1957 ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID, &bssid, &len); 1958 if (ret) { 1959 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 1960 __LINE__); 1961 return; 1962 } 1963 memcpy(priv->ieee->bssid, bssid, ETH_ALEN); 1964 1965 switch (txrate) { 1966 case TX_RATE_1_MBIT: 1967 txratename = "1Mbps"; 1968 break; 1969 case TX_RATE_2_MBIT: 1970 txratename = "2Mbsp"; 1971 break; 1972 case TX_RATE_5_5_MBIT: 1973 txratename = "5.5Mbps"; 1974 break; 1975 case TX_RATE_11_MBIT: 1976 txratename = "11Mbps"; 1977 break; 1978 default: 1979 IPW_DEBUG_INFO("Unknown rate: %d\n", txrate); 1980 txratename = "unknown rate"; 1981 break; 1982 } 1983 1984 IPW_DEBUG_INFO("%s: Associated with '%s' at %s, channel %d (BSSID=" 1985 MAC_FMT ")\n", 1986 priv->net_dev->name, escape_essid(essid, essid_len), 1987 txratename, chan, MAC_ARG(bssid)); 1988 1989 /* now we copy read ssid into dev */ 1990 if (!(priv->config & CFG_STATIC_ESSID)) { 1991 priv->essid_len = min((u8) essid_len, (u8) IW_ESSID_MAX_SIZE); 1992 memcpy(priv->essid, essid, priv->essid_len); 1993 } 1994 priv->channel = chan; 1995 memcpy(priv->bssid, bssid, ETH_ALEN); 1996 1997 priv->status |= STATUS_ASSOCIATING; 1998 priv->connect_start = get_seconds(); 1999 2000 queue_delayed_work(priv->workqueue, &priv->wx_event_work, HZ / 10); 2001} 2002 2003static int ipw2100_set_essid(struct ipw2100_priv *priv, char *essid, 2004 int length, int batch_mode) 2005{ 2006 int ssid_len = min(length, IW_ESSID_MAX_SIZE); 2007 struct host_command cmd = { 2008 .host_command = SSID, 2009 .host_command_sequence = 0, 2010 .host_command_length = ssid_len 2011 }; 2012 int err; 2013 2014 IPW_DEBUG_HC("SSID: '%s'\n", escape_essid(essid, ssid_len)); 2015 2016 if (ssid_len) 2017 memcpy(cmd.host_command_parameters, essid, ssid_len); 2018 2019 if (!batch_mode) { 2020 err = ipw2100_disable_adapter(priv); 2021 if (err) 2022 return err; 2023 } 2024 2025 /* Bug in FW currently doesn't honor bit 0 in SET_SCAN_OPTIONS to 2026 * disable auto association -- so we cheat by setting a bogus SSID */ 2027 if (!ssid_len && !(priv->config & CFG_ASSOCIATE)) { 2028 int i; 2029 u8 *bogus = (u8 *) cmd.host_command_parameters; 2030 for (i = 0; i < IW_ESSID_MAX_SIZE; i++) 2031 bogus[i] = 0x18 + i; 2032 cmd.host_command_length = IW_ESSID_MAX_SIZE; 2033 } 2034 2035 /* NOTE: We always send the SSID command even if the provided ESSID is 2036 * the same as what we currently think is set. */ 2037 2038 err = ipw2100_hw_send_command(priv, &cmd); 2039 if (!err) { 2040 memset(priv->essid + ssid_len, 0, IW_ESSID_MAX_SIZE - ssid_len); 2041 memcpy(priv->essid, essid, ssid_len); 2042 priv->essid_len = ssid_len; 2043 } 2044 2045 if (!batch_mode) { 2046 if (ipw2100_enable_adapter(priv)) 2047 err = -EIO; 2048 } 2049 2050 return err; 2051} 2052 2053static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status) 2054{ 2055 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | IPW_DL_ASSOC, 2056 "disassociated: '%s' " MAC_FMT " \n", 2057 escape_essid(priv->essid, priv->essid_len), 2058 MAC_ARG(priv->bssid)); 2059 2060 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING); 2061 2062 if (priv->status & STATUS_STOPPING) { 2063 IPW_DEBUG_INFO("Card is stopping itself, discard ASSN_LOST.\n"); 2064 return; 2065 } 2066 2067 memset(priv->bssid, 0, ETH_ALEN); 2068 memset(priv->ieee->bssid, 0, ETH_ALEN); 2069 2070 netif_carrier_off(priv->net_dev); 2071 netif_stop_queue(priv->net_dev); 2072 2073 if (!(priv->status & STATUS_RUNNING)) 2074 return; 2075 2076 if (priv->status & STATUS_SECURITY_UPDATED) 2077 queue_delayed_work(priv->workqueue, &priv->security_work, 0); 2078 2079 queue_delayed_work(priv->workqueue, &priv->wx_event_work, 0); 2080} 2081 2082static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status) 2083{ 2084 IPW_DEBUG_INFO("%s: RF Kill state changed to radio OFF.\n", 2085 priv->net_dev->name); 2086 2087 /* RF_KILL is now enabled (else we wouldn't be here) */ 2088 priv->status |= STATUS_RF_KILL_HW; 2089 2090#ifdef ACPI_CSTATE_LIMIT_DEFINED 2091 if (priv->config & CFG_C3_DISABLED) { 2092 IPW_DEBUG_INFO(": Resetting C3 transitions.\n"); 2093 acpi_set_cstate_limit(priv->cstate_limit); 2094 priv->config &= ~CFG_C3_DISABLED; 2095 } 2096#endif 2097 2098 /* Make sure the RF Kill check timer is running */ 2099 priv->stop_rf_kill = 0; 2100 cancel_delayed_work(&priv->rf_kill); 2101 queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); 2102} 2103 2104static void isr_scan_complete(struct ipw2100_priv *priv, u32 status) 2105{ 2106 IPW_DEBUG_SCAN("scan complete\n"); 2107 /* Age the scan results... */ 2108 priv->ieee->scans++; 2109 priv->status &= ~STATUS_SCANNING; 2110} 2111 2112#ifdef CONFIG_IPW2100_DEBUG 2113#define IPW2100_HANDLER(v, f) { v, f, # v } 2114struct ipw2100_status_indicator { 2115 int status; 2116 void (*cb) (struct ipw2100_priv * priv, u32 status); 2117 char *name; 2118}; 2119#else 2120#define IPW2100_HANDLER(v, f) { v, f } 2121struct ipw2100_status_indicator { 2122 int status; 2123 void (*cb) (struct ipw2100_priv * priv, u32 status); 2124}; 2125#endif /* CONFIG_IPW2100_DEBUG */ 2126 2127static void isr_indicate_scanning(struct ipw2100_priv *priv, u32 status) 2128{ 2129 IPW_DEBUG_SCAN("Scanning...\n"); 2130 priv->status |= STATUS_SCANNING; 2131} 2132 2133static const struct ipw2100_status_indicator status_handlers[] = { 2134 IPW2100_HANDLER(IPW_STATE_INITIALIZED, NULL), 2135 IPW2100_HANDLER(IPW_STATE_COUNTRY_FOUND, NULL), 2136 IPW2100_HANDLER(IPW_STATE_ASSOCIATED, isr_indicate_associated), 2137 IPW2100_HANDLER(IPW_STATE_ASSN_LOST, isr_indicate_association_lost), 2138 IPW2100_HANDLER(IPW_STATE_ASSN_CHANGED, NULL), 2139 IPW2100_HANDLER(IPW_STATE_SCAN_COMPLETE, isr_scan_complete), 2140 IPW2100_HANDLER(IPW_STATE_ENTERED_PSP, NULL), 2141 IPW2100_HANDLER(IPW_STATE_LEFT_PSP, NULL), 2142 IPW2100_HANDLER(IPW_STATE_RF_KILL, isr_indicate_rf_kill), 2143 IPW2100_HANDLER(IPW_STATE_DISABLED, NULL), 2144 IPW2100_HANDLER(IPW_STATE_POWER_DOWN, NULL), 2145 IPW2100_HANDLER(IPW_STATE_SCANNING, isr_indicate_scanning), 2146 IPW2100_HANDLER(-1, NULL) 2147}; 2148 2149static void isr_status_change(struct ipw2100_priv *priv, int status) 2150{ 2151 int i; 2152 2153 if (status == IPW_STATE_SCANNING && 2154 priv->status & STATUS_ASSOCIATED && 2155 !(priv->status & STATUS_SCANNING)) { 2156 IPW_DEBUG_INFO("Scan detected while associated, with " 2157 "no scan request. Restarting firmware.\n"); 2158 2159 /* Wake up any sleeping jobs */ 2160 schedule_reset(priv); 2161 } 2162 2163 for (i = 0; status_handlers[i].status != -1; i++) { 2164 if (status == status_handlers[i].status) { 2165 IPW_DEBUG_NOTIF("Status change: %s\n", 2166 status_handlers[i].name); 2167 if (status_handlers[i].cb) 2168 status_handlers[i].cb(priv, status); 2169 priv->wstats.status = status; 2170 return; 2171 } 2172 } 2173 2174 IPW_DEBUG_NOTIF("unknown status received: %04x\n", status); 2175} 2176 2177static void isr_rx_complete_command(struct ipw2100_priv *priv, 2178 struct ipw2100_cmd_header *cmd) 2179{ 2180#ifdef CONFIG_IPW2100_DEBUG 2181 if (cmd->host_command_reg < ARRAY_SIZE(command_types)) { 2182 IPW_DEBUG_HC("Command completed '%s (%d)'\n", 2183 command_types[cmd->host_command_reg], 2184 cmd->host_command_reg); 2185 } 2186#endif 2187 if (cmd->host_command_reg == HOST_COMPLETE) 2188 priv->status |= STATUS_ENABLED; 2189 2190 if (cmd->host_command_reg == CARD_DISABLE) 2191 priv->status &= ~STATUS_ENABLED; 2192 2193 priv->status &= ~STATUS_CMD_ACTIVE; 2194 2195 wake_up_interruptible(&priv->wait_command_queue); 2196} 2197 2198#ifdef CONFIG_IPW2100_DEBUG 2199static const char *frame_types[] = { 2200 "COMMAND_STATUS_VAL", 2201 "STATUS_CHANGE_VAL", 2202 "P80211_DATA_VAL", 2203 "P8023_DATA_VAL", 2204 "HOST_NOTIFICATION_VAL" 2205}; 2206#endif 2207 2208static int ipw2100_alloc_skb(struct ipw2100_priv *priv, 2209 struct ipw2100_rx_packet *packet) 2210{ 2211 packet->skb = dev_alloc_skb(sizeof(struct ipw2100_rx)); 2212 if (!packet->skb) 2213 return -ENOMEM; 2214 2215 packet->rxp = (struct ipw2100_rx *)packet->skb->data; 2216 packet->dma_addr = pci_map_single(priv->pci_dev, packet->skb->data, 2217 sizeof(struct ipw2100_rx), 2218 PCI_DMA_FROMDEVICE); 2219 /* NOTE: pci_map_single does not return an error code, and 0 is a valid 2220 * dma_addr */ 2221 2222 return 0; 2223} 2224 2225#define SEARCH_ERROR 0xffffffff 2226#define SEARCH_FAIL 0xfffffffe 2227#define SEARCH_SUCCESS 0xfffffff0 2228#define SEARCH_DISCARD 0 2229#define SEARCH_SNAPSHOT 1 2230 2231#define SNAPSHOT_ADDR(ofs) (priv->snapshot[((ofs) >> 12) & 0xff] + ((ofs) & 0xfff)) 2232static void ipw2100_snapshot_free(struct ipw2100_priv *priv) 2233{ 2234 int i; 2235 if (!priv->snapshot[0]) 2236 return; 2237 for (i = 0; i < 0x30; i++) 2238 kfree(priv->snapshot[i]); 2239 priv->snapshot[0] = NULL; 2240} 2241 2242#ifdef IPW2100_DEBUG_C3 2243static int ipw2100_snapshot_alloc(struct ipw2100_priv *priv) 2244{ 2245 int i; 2246 if (priv->snapshot[0]) 2247 return 1; 2248 for (i = 0; i < 0x30; i++) { 2249 priv->snapshot[i] = kmalloc(0x1000, GFP_ATOMIC); 2250 if (!priv->snapshot[i]) { 2251 IPW_DEBUG_INFO("%s: Error allocating snapshot " 2252 "buffer %d\n", priv->net_dev->name, i); 2253 while (i > 0) 2254 kfree(priv->snapshot[--i]); 2255 priv->snapshot[0] = NULL; 2256 return 0; 2257 } 2258 } 2259 2260 return 1; 2261} 2262 2263static u32 ipw2100_match_buf(struct ipw2100_priv *priv, u8 * in_buf, 2264 size_t len, int mode) 2265{ 2266 u32 i, j; 2267 u32 tmp; 2268 u8 *s, *d; 2269 u32 ret; 2270 2271 s = in_buf; 2272 if (mode == SEARCH_SNAPSHOT) { 2273 if (!ipw2100_snapshot_alloc(priv)) 2274 mode = SEARCH_DISCARD; 2275 } 2276 2277 for (ret = SEARCH_FAIL, i = 0; i < 0x30000; i += 4) { 2278 read_nic_dword(priv->net_dev, i, &tmp); 2279 if (mode == SEARCH_SNAPSHOT) 2280 *(u32 *) SNAPSHOT_ADDR(i) = tmp; 2281 if (ret == SEARCH_FAIL) { 2282 d = (u8 *) & tmp; 2283 for (j = 0; j < 4; j++) { 2284 if (*s != *d) { 2285 s = in_buf; 2286 continue; 2287 } 2288 2289 s++; 2290 d++; 2291 2292 if ((s - in_buf) == len) 2293 ret = (i + j) - len + 1; 2294 } 2295 } else if (mode == SEARCH_DISCARD) 2296 return ret; 2297 } 2298 2299 return ret; 2300} 2301#endif 2302 2303/* 2304 * 2305 * 0) Disconnect the SKB from the firmware (just unmap) 2306 * 1) Pack the ETH header into the SKB 2307 * 2) Pass the SKB to the network stack 2308 * 2309 * When packet is provided by the firmware, it contains the following: 2310 * 2311 * . ieee80211_hdr 2312 * . ieee80211_snap_hdr 2313 * 2314 * The size of the constructed ethernet 2315 * 2316 */ 2317#ifdef IPW2100_RX_DEBUG 2318static u8 packet_data[IPW_RX_NIC_BUFFER_LENGTH]; 2319#endif 2320 2321static void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i) 2322{ 2323#ifdef IPW2100_DEBUG_C3 2324 struct ipw2100_status *status = &priv->status_queue.drv[i]; 2325 u32 match, reg; 2326 int j; 2327#endif 2328#ifdef ACPI_CSTATE_LIMIT_DEFINED 2329 int limit; 2330#endif 2331 2332 IPW_DEBUG_INFO(": PCI latency error detected at 0x%04zX.\n", 2333 i * sizeof(struct ipw2100_status)); 2334 2335#ifdef ACPI_CSTATE_LIMIT_DEFINED 2336 IPW_DEBUG_INFO(": Disabling C3 transitions.\n"); 2337 limit = acpi_get_cstate_limit(); 2338 if (limit > 2) { 2339 priv->cstate_limit = limit; 2340 acpi_set_cstate_limit(2); 2341 priv->config |= CFG_C3_DISABLED; 2342 } 2343#endif 2344 2345#ifdef IPW2100_DEBUG_C3 2346 /* Halt the fimrware so we can get a good image */ 2347 write_register(priv->net_dev, IPW_REG_RESET_REG, 2348 IPW_AUX_HOST_RESET_REG_STOP_MASTER); 2349 j = 5; 2350 do { 2351 udelay(IPW_WAIT_RESET_MASTER_ASSERT_COMPLETE_DELAY); 2352 read_register(priv->net_dev, IPW_REG_RESET_REG, ®); 2353 2354 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED) 2355 break; 2356 } while (j--); 2357 2358 match = ipw2100_match_buf(priv, (u8 *) status, 2359 sizeof(struct ipw2100_status), 2360 SEARCH_SNAPSHOT); 2361 if (match < SEARCH_SUCCESS) 2362 IPW_DEBUG_INFO("%s: DMA status match in Firmware at " 2363 "offset 0x%06X, length %d:\n", 2364 priv->net_dev->name, match, 2365 sizeof(struct ipw2100_status)); 2366 else 2367 IPW_DEBUG_INFO("%s: No DMA status match in " 2368 "Firmware.\n", priv->net_dev->name); 2369 2370 printk_buf((u8 *) priv->status_queue.drv, 2371 sizeof(struct ipw2100_status) * RX_QUEUE_LENGTH); 2372#endif 2373 2374 priv->fatal_error = IPW2100_ERR_C3_CORRUPTION; 2375 priv->ieee->stats.rx_errors++; 2376 schedule_reset(priv); 2377} 2378 2379static void isr_rx(struct ipw2100_priv *priv, int i, 2380 struct ieee80211_rx_stats *stats) 2381{ 2382 struct ipw2100_status *status = &priv->status_queue.drv[i]; 2383 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i]; 2384 2385 IPW_DEBUG_RX("Handler...\n"); 2386 2387 if (unlikely(status->frame_size > skb_tailroom(packet->skb))) { 2388 IPW_DEBUG_INFO("%s: frame_size (%u) > skb_tailroom (%u)!" 2389 " Dropping.\n", 2390 priv->net_dev->name, 2391 status->frame_size, skb_tailroom(packet->skb)); 2392 priv->ieee->stats.rx_errors++; 2393 return; 2394 } 2395 2396 if (unlikely(!netif_running(priv->net_dev))) { 2397 priv->ieee->stats.rx_errors++; 2398 priv->wstats.discard.misc++; 2399 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n"); 2400 return; 2401 } 2402 2403 if (unlikely(priv->ieee->iw_mode != IW_MODE_MONITOR && 2404 !(priv->status & STATUS_ASSOCIATED))) { 2405 IPW_DEBUG_DROP("Dropping packet while not associated.\n"); 2406 priv->wstats.discard.misc++; 2407 return; 2408 } 2409 2410 pci_unmap_single(priv->pci_dev, 2411 packet->dma_addr, 2412 sizeof(struct ipw2100_rx), PCI_DMA_FROMDEVICE); 2413 2414 skb_put(packet->skb, status->frame_size); 2415 2416#ifdef IPW2100_RX_DEBUG 2417 /* Make a copy of the frame so we can dump it to the logs if 2418 * ieee80211_rx fails */ 2419 skb_copy_from_linear_data(packet->skb, packet_data, 2420 min_t(u32, status->frame_size, 2421 IPW_RX_NIC_BUFFER_LENGTH)); 2422#endif 2423 2424 if (!ieee80211_rx(priv->ieee, packet->skb, stats)) { 2425#ifdef IPW2100_RX_DEBUG 2426 IPW_DEBUG_DROP("%s: Non consumed packet:\n", 2427 priv->net_dev->name); 2428 printk_buf(IPW_DL_DROP, packet_data, status->frame_size); 2429#endif 2430 priv->ieee->stats.rx_errors++; 2431 2432 /* ieee80211_rx failed, so it didn't free the SKB */ 2433 dev_kfree_skb_any(packet->skb); 2434 packet->skb = NULL; 2435 } 2436 2437 /* We need to allocate a new SKB and attach it to the RDB. */ 2438 if (unlikely(ipw2100_alloc_skb(priv, packet))) { 2439 printk(KERN_WARNING DRV_NAME ": " 2440 "%s: Unable to allocate SKB onto RBD ring - disabling " 2441 "adapter.\n", priv->net_dev->name); 2442 /* TODO: schedule adapter shutdown */ 2443 IPW_DEBUG_INFO("TODO: Shutdown adapter...\n"); 2444 } 2445 2446 /* Update the RDB entry */ 2447 priv->rx_queue.drv[i].host_addr = packet->dma_addr; 2448} 2449 2450#ifdef CONFIG_IPW2100_MONITOR 2451 2452static void isr_rx_monitor(struct ipw2100_priv *priv, int i, 2453 struct ieee80211_rx_stats *stats) 2454{ 2455 struct ipw2100_status *status = &priv->status_queue.drv[i]; 2456 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i]; 2457 2458 /* Magic struct that slots into the radiotap header -- no reason 2459 * to build this manually element by element, we can write it much 2460 * more efficiently than we can parse it. ORDER MATTERS HERE */ 2461 struct ipw_rt_hdr { 2462 struct ieee80211_radiotap_header rt_hdr; 2463 s8 rt_dbmsignal; /* signal in dbM, kluged to signed */ 2464 } *ipw_rt; 2465 2466 IPW_DEBUG_RX("Handler...\n"); 2467 2468 if (unlikely(status->frame_size > skb_tailroom(packet->skb) - 2469 sizeof(struct ipw_rt_hdr))) { 2470 IPW_DEBUG_INFO("%s: frame_size (%u) > skb_tailroom (%u)!" 2471 " Dropping.\n", 2472 priv->net_dev->name, 2473 status->frame_size, 2474 skb_tailroom(packet->skb)); 2475 priv->ieee->stats.rx_errors++; 2476 return; 2477 } 2478 2479 if (unlikely(!netif_running(priv->net_dev))) { 2480 priv->ieee->stats.rx_errors++; 2481 priv->wstats.discard.misc++; 2482 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n"); 2483 return; 2484 } 2485 2486 if (unlikely(priv->config & CFG_CRC_CHECK && 2487 status->flags & IPW_STATUS_FLAG_CRC_ERROR)) { 2488 IPW_DEBUG_RX("CRC error in packet. Dropping.\n"); 2489 priv->ieee->stats.rx_errors++; 2490 return; 2491 } 2492 2493 pci_unmap_single(priv->pci_dev, packet->dma_addr, 2494 sizeof(struct ipw2100_rx), PCI_DMA_FROMDEVICE); 2495 memmove(packet->skb->data + sizeof(struct ipw_rt_hdr), 2496 packet->skb->data, status->frame_size); 2497 2498 ipw_rt = (struct ipw_rt_hdr *) packet->skb->data; 2499 2500 ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION; 2501 ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */ 2502 ipw_rt->rt_hdr.it_len = sizeof(struct ipw_rt_hdr); /* total hdr+data */ 2503 2504 ipw_rt->rt_hdr.it_present = 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL; 2505 2506 ipw_rt->rt_dbmsignal = status->rssi + IPW2100_RSSI_TO_DBM; 2507 2508 skb_put(packet->skb, status->frame_size + sizeof(struct ipw_rt_hdr)); 2509 2510 if (!ieee80211_rx(priv->ieee, packet->skb, stats)) { 2511 priv->ieee->stats.rx_errors++; 2512 2513 /* ieee80211_rx failed, so it didn't free the SKB */ 2514 dev_kfree_skb_any(packet->skb); 2515 packet->skb = NULL; 2516 } 2517 2518 /* We need to allocate a new SKB and attach it to the RDB. */ 2519 if (unlikely(ipw2100_alloc_skb(priv, packet))) { 2520 IPW_DEBUG_WARNING( 2521 "%s: Unable to allocate SKB onto RBD ring - disabling " 2522 "adapter.\n", priv->net_dev->name); 2523 /* TODO: schedule adapter shutdown */ 2524 IPW_DEBUG_INFO("TODO: Shutdown adapter...\n"); 2525 } 2526 2527 /* Update the RDB entry */ 2528 priv->rx_queue.drv[i].host_addr = packet->dma_addr; 2529} 2530 2531#endif 2532 2533static int ipw2100_corruption_check(struct ipw2100_priv *priv, int i) 2534{ 2535 struct ipw2100_status *status = &priv->status_queue.drv[i]; 2536 struct ipw2100_rx *u = priv->rx_buffers[i].rxp; 2537 u16 frame_type = status->status_fields & STATUS_TYPE_MASK; 2538 2539 switch (frame_type) { 2540 case COMMAND_STATUS_VAL: 2541 return (status->frame_size != sizeof(u->rx_data.command)); 2542 case STATUS_CHANGE_VAL: 2543 return (status->frame_size != sizeof(u->rx_data.status)); 2544 case HOST_NOTIFICATION_VAL: 2545 return (status->frame_size < sizeof(u->rx_data.notification)); 2546 case P80211_DATA_VAL: 2547 case P8023_DATA_VAL: 2548#ifdef CONFIG_IPW2100_MONITOR 2549 return 0; 2550#else 2551 switch (WLAN_FC_GET_TYPE(u->rx_data.header.frame_ctl)) { 2552 case IEEE80211_FTYPE_MGMT: 2553 case IEEE80211_FTYPE_CTL: 2554 return 0; 2555 case IEEE80211_FTYPE_DATA: 2556 return (status->frame_size > 2557 IPW_MAX_802_11_PAYLOAD_LENGTH); 2558 } 2559#endif 2560 } 2561 2562 return 1; 2563} 2564 2565/* 2566 * ipw2100 interrupts are disabled at this point, and the ISR 2567 * is the only code that calls this method. So, we do not need 2568 * to play with any locks. 2569 * 2570 * RX Queue works as follows: 2571 * 2572 * Read index - firmware places packet in entry identified by the 2573 * Read index and advances Read index. In this manner, 2574 * Read index will always point to the next packet to 2575 * be filled--but not yet valid. 2576 * 2577 * Write index - driver fills this entry with an unused RBD entry. 2578 * This entry has not filled by the firmware yet. 2579 * 2580 * In between the W and R indexes are the RBDs that have been received 2581 * but not yet processed. 2582 * 2583 * The process of handling packets will start at WRITE + 1 and advance 2584 * until it reaches the READ index. 2585 * 2586 * The WRITE index is cached in the variable 'priv->rx_queue.next'. 2587 * 2588 */ 2589static void __ipw2100_rx_process(struct ipw2100_priv *priv) 2590{ 2591 struct ipw2100_bd_queue *rxq = &priv->rx_queue; 2592 struct ipw2100_status_queue *sq = &priv->status_queue; 2593 struct ipw2100_rx_packet *packet; 2594 u16 frame_type; 2595 u32 r, w, i, s; 2596 struct ipw2100_rx *u; 2597 struct ieee80211_rx_stats stats = { 2598 .mac_time = jiffies, 2599 }; 2600 2601 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_READ_INDEX, &r); 2602 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_WRITE_INDEX, &w); 2603 2604 if (r >= rxq->entries) { 2605 IPW_DEBUG_RX("exit - bad read index\n"); 2606 return; 2607 } 2608 2609 i = (rxq->next + 1) % rxq->entries; 2610 s = i; 2611 while (i != r) { 2612 /* IPW_DEBUG_RX("r = %d : w = %d : processing = %d\n", 2613 r, rxq->next, i); */ 2614 2615 packet = &priv->rx_buffers[i]; 2616 2617 /* Sync the DMA for the STATUS buffer so CPU is sure to get 2618 * the correct values */ 2619 pci_dma_sync_single_for_cpu(priv->pci_dev, 2620 sq->nic + 2621 sizeof(struct ipw2100_status) * i, 2622 sizeof(struct ipw2100_status), 2623 PCI_DMA_FROMDEVICE); 2624 2625 /* Sync the DMA for the RX buffer so CPU is sure to get 2626 * the correct values */ 2627 pci_dma_sync_single_for_cpu(priv->pci_dev, packet->dma_addr, 2628 sizeof(struct ipw2100_rx), 2629 PCI_DMA_FROMDEVICE); 2630 2631 if (unlikely(ipw2100_corruption_check(priv, i))) { 2632 ipw2100_corruption_detected(priv, i); 2633 goto increment; 2634 } 2635 2636 u = packet->rxp; 2637 frame_type = sq->drv[i].status_fields & STATUS_TYPE_MASK; 2638 stats.rssi = sq->drv[i].rssi + IPW2100_RSSI_TO_DBM; 2639 stats.len = sq->drv[i].frame_size; 2640 2641 stats.mask = 0; 2642 if (stats.rssi != 0) 2643 stats.mask |= IEEE80211_STATMASK_RSSI; 2644 stats.freq = IEEE80211_24GHZ_BAND; 2645 2646 IPW_DEBUG_RX("%s: '%s' frame type received (%d).\n", 2647 priv->net_dev->name, frame_types[frame_type], 2648 stats.len); 2649 2650 switch (frame_type) { 2651 case COMMAND_STATUS_VAL: 2652 /* Reset Rx watchdog */ 2653 isr_rx_complete_command(priv, &u->rx_data.command); 2654 break; 2655 2656 case STATUS_CHANGE_VAL: 2657 isr_status_change(priv, u->rx_data.status); 2658 break; 2659 2660 case P80211_DATA_VAL: 2661 case P8023_DATA_VAL: 2662#ifdef CONFIG_IPW2100_MONITOR 2663 if (priv->ieee->iw_mode == IW_MODE_MONITOR) { 2664 isr_rx_monitor(priv, i, &stats); 2665 break; 2666 } 2667#endif 2668 if (stats.len < sizeof(struct ieee80211_hdr_3addr)) 2669 break; 2670 switch (WLAN_FC_GET_TYPE(u->rx_data.header.frame_ctl)) { 2671 case IEEE80211_FTYPE_MGMT: 2672 ieee80211_rx_mgt(priv->ieee, 2673 &u->rx_data.header, &stats); 2674 break; 2675 2676 case IEEE80211_FTYPE_CTL: 2677 break; 2678 2679 case IEEE80211_FTYPE_DATA: 2680 isr_rx(priv, i, &stats); 2681 break; 2682 2683 } 2684 break; 2685 } 2686 2687 increment: 2688 /* clear status field associated with this RBD */ 2689 rxq->drv[i].status.info.field = 0; 2690 2691 i = (i + 1) % rxq->entries; 2692 } 2693 2694 if (i != s) { 2695 /* backtrack one entry, wrapping to end if at 0 */ 2696 rxq->next = (i ? i : rxq->entries) - 1; 2697 2698 write_register(priv->net_dev, 2699 IPW_MEM_HOST_SHARED_RX_WRITE_INDEX, rxq->next); 2700 } 2701} 2702 2703/* 2704 * __ipw2100_tx_process 2705 * 2706 * This routine will determine whether the next packet on 2707 * the fw_pend_list has been processed by the firmware yet. 2708 * 2709 * If not, then it does nothing and returns. 2710 * 2711 * If so, then it removes the item from the fw_pend_list, frees 2712 * any associated storage, and places the item back on the 2713 * free list of its source (either msg_free_list or tx_free_list) 2714 * 2715 * TX Queue works as follows: 2716 * 2717 * Read index - points to the next TBD that the firmware will 2718 * process. The firmware will read the data, and once 2719 * done processing, it will advance the Read index. 2720 * 2721 * Write index - driver fills this entry with an constructed TBD 2722 * entry. The Write index is not advanced until the 2723 * packet has been configured. 2724 * 2725 * In between the W and R indexes are the TBDs that have NOT been 2726 * processed. Lagging behind the R index are packets that have 2727 * been processed but have not been freed by the driver. 2728 * 2729 * In order to free old storage, an internal index will be maintained 2730 * that points to the next packet to be freed. When all used 2731 * packets have been freed, the oldest index will be the same as the 2732 * firmware's read index. 2733 * 2734 * The OLDEST index is cached in the variable 'priv->tx_queue.oldest' 2735 * 2736 * Because the TBD structure can not contain arbitrary data, the 2737 * driver must keep an internal queue of cached allocations such that 2738 * it can put that data back into the tx_free_list and msg_free_list 2739 * for use by future command and data packets. 2740 * 2741 */ 2742static int __ipw2100_tx_process(struct ipw2100_priv *priv) 2743{ 2744 struct ipw2100_bd_queue *txq = &priv->tx_queue; 2745 struct ipw2100_bd *tbd; 2746 struct list_head *element; 2747 struct ipw2100_tx_packet *packet; 2748 int descriptors_used; 2749 int e, i; 2750 u32 r, w, frag_num = 0; 2751 2752 if (list_empty(&priv->fw_pend_list)) 2753 return 0; 2754 2755 element = priv->fw_pend_list.next; 2756 2757 packet = list_entry(element, struct ipw2100_tx_packet, list); 2758 tbd = &txq->drv[packet->index]; 2759 2760 /* Determine how many TBD entries must be finished... */ 2761 switch (packet->type) { 2762 case COMMAND: 2763 /* COMMAND uses only one slot; don't advance */ 2764 descriptors_used = 1; 2765 e = txq->oldest; 2766 break; 2767 2768 case DATA: 2769 /* DATA uses two slots; advance and loop position. */ 2770 descriptors_used = tbd->num_fragments; 2771 frag_num = tbd->num_fragments - 1; 2772 e = txq->oldest + frag_num; 2773 e %= txq->entries; 2774 break; 2775 2776 default: 2777 printk(KERN_WARNING DRV_NAME ": %s: Bad fw_pend_list entry!\n", 2778 priv->net_dev->name); 2779 return 0; 2780 } 2781 2782 /* if the last TBD is not done by NIC yet, then packet is 2783 * not ready to be released. 2784 * 2785 */ 2786 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_TX_QUEUE_READ_INDEX, 2787 &r); 2788 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX, 2789 &w); 2790 if (w != txq->next) 2791 printk(KERN_WARNING DRV_NAME ": %s: write index mismatch\n", 2792 priv->net_dev->name); 2793 2794 /* 2795 * txq->next is the index of the last packet written txq->oldest is 2796 * the index of the r is the index of the next packet to be read by 2797 * firmware 2798 */ 2799 2800 /* 2801 * Quick graphic to help you visualize the following 2802 * if / else statement 2803 * 2804 * ===>| s---->|=============== 2805 * e>| 2806 * | a | b | c | d | e | f | g | h | i | j | k | l 2807 * r---->| 2808 * w 2809 * 2810 * w - updated by driver 2811 * r - updated by firmware 2812 * s - start of oldest BD entry (txq->oldest) 2813 * e - end of oldest BD entry 2814 * 2815 */ 2816 if (!((r <= w && (e < r || e >= w)) || (e < r && e >= w))) { 2817 IPW_DEBUG_TX("exit - no processed packets ready to release.\n"); 2818 return 0; 2819 } 2820 2821 list_del(element); 2822 DEC_STAT(&priv->fw_pend_stat); 2823 2824#ifdef CONFIG_IPW2100_DEBUG 2825 { 2826 int i = txq->oldest; 2827 IPW_DEBUG_TX("TX%d V=%p P=%04X T=%04X L=%d\n", i, 2828 &txq->drv[i], 2829 (u32) (txq->nic + i * sizeof(struct ipw2100_bd)), 2830 txq->drv[i].host_addr, txq->drv[i].buf_length); 2831 2832 if (packet->type == DATA) { 2833 i = (i + 1) % txq->entries; 2834 2835 IPW_DEBUG_TX("TX%d V=%p P=%04X T=%04X L=%d\n", i, 2836 &txq->drv[i], 2837 (u32) (txq->nic + i * 2838 sizeof(struct ipw2100_bd)), 2839 (u32) txq->drv[i].host_addr, 2840 txq->drv[i].buf_length); 2841 } 2842 } 2843#endif 2844 2845 switch (packet->type) { 2846 case DATA: 2847 if (txq->drv[txq->oldest].status.info.fields.txType != 0) 2848 printk(KERN_WARNING DRV_NAME ": %s: Queue mismatch. " 2849 "Expecting DATA TBD but pulled " 2850 "something else: ids %d=%d.\n", 2851 priv->net_dev->name, txq->oldest, packet->index); 2852 2853 /* DATA packet; we have to unmap and free the SKB */ 2854 for (i = 0; i < frag_num; i++) { 2855 tbd = &txq->drv[(packet->index + 1 + i) % txq->entries]; 2856 2857 IPW_DEBUG_TX("TX%d P=%08x L=%d\n", 2858 (packet->index + 1 + i) % txq->entries, 2859 tbd->host_addr, tbd->buf_length); 2860 2861 pci_unmap_single(priv->pci_dev, 2862 tbd->host_addr, 2863 tbd->buf_length, PCI_DMA_TODEVICE); 2864 } 2865 2866 ieee80211_txb_free(packet->info.d_struct.txb); 2867 packet->info.d_struct.txb = NULL; 2868 2869 list_add_tail(element, &priv->tx_free_list); 2870 INC_STAT(&priv->tx_free_stat); 2871 2872 /* We have a free slot in the Tx queue, so wake up the 2873 * transmit layer if it is stopped. */ 2874 if (priv->status & STATUS_ASSOCIATED) 2875 netif_wake_queue(priv->net_dev); 2876 2877 /* A packet was processed by the hardware, so update the 2878 * watchdog */ 2879 priv->net_dev->trans_start = jiffies; 2880 2881 break; 2882 2883 case COMMAND: 2884 if (txq->drv[txq->oldest].status.info.fields.txType != 1) 2885 printk(KERN_WARNING DRV_NAME ": %s: Queue mismatch. " 2886 "Expecting COMMAND TBD but pulled " 2887 "something else: ids %d=%d.\n", 2888 priv->net_dev->name, txq->oldest, packet->index); 2889 2890#ifdef CONFIG_IPW2100_DEBUG 2891 if (packet->info.c_struct.cmd->host_command_reg < 2892 ARRAY_SIZE(command_types)) 2893 IPW_DEBUG_TX("Command '%s (%d)' processed: %d.\n", 2894 command_types[packet->info.c_struct.cmd-> 2895 host_command_reg], 2896 packet->info.c_struct.cmd-> 2897 host_command_reg, 2898 packet->info.c_struct.cmd->cmd_status_reg); 2899#endif 2900 2901 list_add_tail(element, &priv->msg_free_list); 2902 INC_STAT(&priv->msg_free_stat); 2903 break; 2904 } 2905 2906 /* advance oldest used TBD pointer to start of next entry */ 2907 txq->oldest = (e + 1) % txq->entries; 2908 /* increase available TBDs number */ 2909 txq->available += descriptors_used; 2910 SET_STAT(&priv->txq_stat, txq->available); 2911 2912 IPW_DEBUG_TX("packet latency (send to process) %ld jiffies\n", 2913 jiffies - packet->jiffy_start); 2914 2915 return (!list_empty(&priv->fw_pend_list)); 2916} 2917 2918static inline void __ipw2100_tx_complete(struct ipw2100_priv *priv) 2919{ 2920 int i = 0; 2921 2922 while (__ipw2100_tx_process(priv) && i < 200) 2923 i++; 2924 2925 if (i == 200) { 2926 printk(KERN_WARNING DRV_NAME ": " 2927 "%s: Driver is running slow (%d iters).\n", 2928 priv->net_dev->name, i); 2929 } 2930} 2931 2932static void ipw2100_tx_send_commands(struct ipw2100_priv *priv) 2933{ 2934 struct list_head *element; 2935 struct ipw2100_tx_packet *packet; 2936 struct ipw2100_bd_queue *txq = &priv->tx_queue; 2937 struct ipw2100_bd *tbd; 2938 int next = txq->next; 2939 2940 while (!list_empty(&priv->msg_pend_list)) { 2941 /* if there isn't enough space in TBD queue, then 2942 * don't stuff a new one in. 2943 * NOTE: 3 are needed as a command will take one, 2944 * and there is a minimum of 2 that must be 2945 * maintained between the r and w indexes 2946 */ 2947 if (txq->available <= 3) { 2948 IPW_DEBUG_TX("no room in tx_queue\n"); 2949 break; 2950 } 2951 2952 element = priv->msg_pend_list.next; 2953 list_del(element); 2954 DEC_STAT(&priv->msg_pend_stat); 2955 2956 packet = list_entry(element, struct ipw2100_tx_packet, list); 2957 2958 IPW_DEBUG_TX("using TBD at virt=%p, phys=%p\n", 2959 &txq->drv[txq->next], 2960 (void *)(txq->nic + txq->next * 2961 sizeof(struct ipw2100_bd))); 2962 2963 packet->index = txq->next; 2964 2965 tbd = &txq->drv[txq->next]; 2966 2967 /* initialize TBD */ 2968 tbd->host_addr = packet->info.c_struct.cmd_phys; 2969 tbd->buf_length = sizeof(struct ipw2100_cmd_header); 2970 /* not marking number of fragments causes problems 2971 * with f/w debug version */ 2972 tbd->num_fragments = 1; 2973 tbd->status.info.field = 2974 IPW_BD_STATUS_TX_FRAME_COMMAND | 2975 IPW_BD_STATUS_TX_INTERRUPT_ENABLE; 2976 2977 /* update TBD queue counters */ 2978 txq->next++; 2979 txq->next %= txq->entries; 2980 txq->available--; 2981 DEC_STAT(&priv->txq_stat); 2982 2983 list_add_tail(element, &priv->fw_pend_list); 2984 INC_STAT(&priv->fw_pend_stat); 2985 } 2986 2987 if (txq->next != next) { 2988 /* kick off the DMA by notifying firmware the 2989 * write index has moved; make sure TBD stores are sync'd */ 2990 wmb(); 2991 write_register(priv->net_dev, 2992 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX, 2993 txq->next); 2994 } 2995} 2996 2997/* 2998 * ipw2100_tx_send_data 2999 * 3000 */ 3001static void ipw2100_tx_send_data(struct ipw2100_priv *priv) 3002{ 3003 struct list_head *element; 3004 struct ipw2100_tx_packet *packet; 3005 struct ipw2100_bd_queue *txq = &priv->tx_queue; 3006 struct ipw2100_bd *tbd; 3007 int next = txq->next; 3008 int i = 0; 3009 struct ipw2100_data_header *ipw_hdr; 3010 struct ieee80211_hdr_3addr *hdr; 3011 3012 while (!list_empty(&priv->tx_pend_list)) { 3013 /* if there isn't enough space in TBD queue, then 3014 * don't stuff a new one in. 3015 * NOTE: 4 are needed as a data will take two, 3016 * and there is a minimum of 2 that must be 3017 * maintained between the r and w indexes 3018 */ 3019 element = priv->tx_pend_list.next; 3020 packet = list_entry(element, struct ipw2100_tx_packet, list); 3021 3022 if (unlikely(1 + packet->info.d_struct.txb->nr_frags > 3023 IPW_MAX_BDS)) { 3024 /* TODO: Support merging buffers if more than 3025 * IPW_MAX_BDS are used */ 3026 IPW_DEBUG_INFO("%s: Maximum BD theshold exceeded. " 3027 "Increase fragmentation level.\n", 3028 priv->net_dev->name); 3029 } 3030 3031 if (txq->available <= 3 + packet->info.d_struct.txb->nr_frags) { 3032 IPW_DEBUG_TX("no room in tx_queue\n"); 3033 break; 3034 } 3035 3036 list_del(element); 3037 DEC_STAT(&priv->tx_pend_stat); 3038 3039 tbd = &txq->drv[txq->next]; 3040 3041 packet->index = txq->next; 3042 3043 ipw_hdr = packet->info.d_struct.data; 3044 hdr = (struct ieee80211_hdr_3addr *)packet->info.d_struct.txb-> 3045 fragments[0]->data; 3046 3047 if (priv->ieee->iw_mode == IW_MODE_INFRA) { 3048 /* To DS: Addr1 = BSSID, Addr2 = SA, 3049 Addr3 = DA */ 3050 memcpy(ipw_hdr->src_addr, hdr->addr2, ETH_ALEN); 3051 memcpy(ipw_hdr->dst_addr, hdr->addr3, ETH_ALEN); 3052 } else if (priv->ieee->iw_mode == IW_MODE_ADHOC) { 3053 /* not From/To DS: Addr1 = DA, Addr2 = SA, 3054 Addr3 = BSSID */ 3055 memcpy(ipw_hdr->src_addr, hdr->addr2, ETH_ALEN); 3056 memcpy(ipw_hdr->dst_addr, hdr->addr1, ETH_ALEN); 3057 } 3058 3059 ipw_hdr->host_command_reg = SEND; 3060 ipw_hdr->host_command_reg1 = 0; 3061 3062 /* For now we only support host based encryption */ 3063 ipw_hdr->needs_encryption = 0; 3064 ipw_hdr->encrypted = packet->info.d_struct.txb->encrypted; 3065 if (packet->info.d_struct.txb->nr_frags > 1) 3066 ipw_hdr->fragment_size = 3067 packet->info.d_struct.txb->frag_size - 3068 IEEE80211_3ADDR_LEN; 3069 else 3070 ipw_hdr->fragment_size = 0; 3071 3072 tbd->host_addr = packet->info.d_struct.data_phys; 3073 tbd->buf_length = sizeof(struct ipw2100_data_header); 3074 tbd->num_fragments = 1 + packet->info.d_struct.txb->nr_frags; 3075 tbd->status.info.field = 3076 IPW_BD_STATUS_TX_FRAME_802_3 | 3077 IPW_BD_STATUS_TX_FRAME_NOT_LAST_FRAGMENT; 3078 txq->next++; 3079 txq->next %= txq->entries; 3080 3081 IPW_DEBUG_TX("data header tbd TX%d P=%08x L=%d\n", 3082 packet->index, tbd->host_addr, tbd->buf_length); 3083#ifdef CONFIG_IPW2100_DEBUG 3084 if (packet->info.d_struct.txb->nr_frags > 1) 3085 IPW_DEBUG_FRAG("fragment Tx: %d frames\n", 3086 packet->info.d_struct.txb->nr_frags); 3087#endif 3088 3089 for (i = 0; i < packet->info.d_struct.txb->nr_frags; i++) { 3090 tbd = &txq->drv[txq->next]; 3091 if (i == packet->info.d_struct.txb->nr_frags - 1) 3092 tbd->status.info.field = 3093 IPW_BD_STATUS_TX_FRAME_802_3 | 3094 IPW_BD_STATUS_TX_INTERRUPT_ENABLE; 3095 else 3096 tbd->status.info.field = 3097 IPW_BD_STATUS_TX_FRAME_802_3 | 3098 IPW_BD_STATUS_TX_FRAME_NOT_LAST_FRAGMENT; 3099 3100 tbd->buf_length = packet->info.d_struct.txb-> 3101 fragments[i]->len - IEEE80211_3ADDR_LEN; 3102 3103 tbd->host_addr = pci_map_single(priv->pci_dev, 3104 packet->info.d_struct. 3105 txb->fragments[i]-> 3106 data + 3107 IEEE80211_3ADDR_LEN, 3108 tbd->buf_length, 3109 PCI_DMA_TODEVICE); 3110 3111 IPW_DEBUG_TX("data frag tbd TX%d P=%08x L=%d\n", 3112 txq->next, tbd->host_addr, 3113 tbd->buf_length); 3114 3115 pci_dma_sync_single_for_device(priv->pci_dev, 3116 tbd->host_addr, 3117 tbd->buf_length, 3118 PCI_DMA_TODEVICE); 3119 3120 txq->next++; 3121 txq->next %= txq->entries; 3122 } 3123 3124 txq->available -= 1 + packet->info.d_struct.txb->nr_frags; 3125 SET_STAT(&priv->txq_stat, txq->available); 3126 3127 list_add_tail(element, &priv->fw_pend_list); 3128 INC_STAT(&priv->fw_pend_stat); 3129 } 3130 3131 if (txq->next != next) { 3132 /* kick off the DMA by notifying firmware the 3133 * write index has moved; make sure TBD stores are sync'd */ 3134 write_register(priv->net_dev, 3135 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX, 3136 txq->next); 3137 } 3138 return; 3139} 3140 3141static void ipw2100_irq_tasklet(struct ipw2100_priv *priv) 3142{ 3143 struct net_device *dev = priv->net_dev; 3144 unsigned long flags; 3145 u32 inta, tmp; 3146 3147 spin_lock_irqsave(&priv->low_lock, flags); 3148 ipw2100_disable_interrupts(priv); 3149 3150 read_register(dev, IPW_REG_INTA, &inta); 3151 3152 IPW_DEBUG_ISR("enter - INTA: 0x%08lX\n", 3153 (unsigned long)inta & IPW_INTERRUPT_MASK); 3154 3155 priv->in_isr++; 3156 priv->interrupts++; 3157 3158 /* We do not loop and keep polling for more interrupts as this 3159 * is frowned upon and doesn't play nicely with other potentially 3160 * chained IRQs */ 3161 IPW_DEBUG_ISR("INTA: 0x%08lX\n", 3162 (unsigned long)inta & IPW_INTERRUPT_MASK); 3163 3164 if (inta & IPW2100_INTA_FATAL_ERROR) { 3165 printk(KERN_WARNING DRV_NAME 3166 ": Fatal interrupt. Scheduling firmware restart.\n"); 3167 priv->inta_other++; 3168 write_register(dev, IPW_REG_INTA, IPW2100_INTA_FATAL_ERROR); 3169 3170 read_nic_dword(dev, IPW_NIC_FATAL_ERROR, &priv->fatal_error); 3171 IPW_DEBUG_INFO("%s: Fatal error value: 0x%08X\n", 3172 priv->net_dev->name, priv->fatal_error); 3173 3174 read_nic_dword(dev, IPW_ERROR_ADDR(priv->fatal_error), &tmp); 3175 IPW_DEBUG_INFO("%s: Fatal error address value: 0x%08X\n", 3176 priv->net_dev->name, tmp); 3177 3178 /* Wake up any sleeping jobs */ 3179 schedule_reset(priv); 3180 } 3181 3182 if (inta & IPW2100_INTA_PARITY_ERROR) { 3183 printk(KERN_ERR DRV_NAME 3184 ": ***** PARITY ERROR INTERRUPT !!!! \n"); 3185 priv->inta_other++; 3186 write_register(dev, IPW_REG_INTA, IPW2100_INTA_PARITY_ERROR); 3187 } 3188 3189 if (inta & IPW2100_INTA_RX_TRANSFER) { 3190 IPW_DEBUG_ISR("RX interrupt\n"); 3191 3192 priv->rx_interrupts++; 3193 3194 write_register(dev, IPW_REG_INTA, IPW2100_INTA_RX_TRANSFER); 3195 3196 __ipw2100_rx_process(priv); 3197 __ipw2100_tx_complete(priv); 3198 } 3199 3200 if (inta & IPW2100_INTA_TX_TRANSFER) { 3201 IPW_DEBUG_ISR("TX interrupt\n"); 3202 3203 priv->tx_interrupts++; 3204 3205 write_register(dev, IPW_REG_INTA, IPW2100_INTA_TX_TRANSFER); 3206 3207 __ipw2100_tx_complete(priv); 3208 ipw2100_tx_send_commands(priv); 3209 ipw2100_tx_send_data(priv); 3210 } 3211 3212 if (inta & IPW2100_INTA_TX_COMPLETE) { 3213 IPW_DEBUG_ISR("TX complete\n"); 3214 priv->inta_other++; 3215 write_register(dev, IPW_REG_INTA, IPW2100_INTA_TX_COMPLETE); 3216 3217 __ipw2100_tx_complete(priv); 3218 } 3219 3220 if (inta & IPW2100_INTA_EVENT_INTERRUPT) { 3221 /* ipw2100_handle_event(dev); */ 3222 priv->inta_other++; 3223 write_register(dev, IPW_REG_INTA, IPW2100_INTA_EVENT_INTERRUPT); 3224 } 3225 3226 if (inta & IPW2100_INTA_FW_INIT_DONE) { 3227 IPW_DEBUG_ISR("FW init done interrupt\n"); 3228 priv->inta_other++; 3229 3230 read_register(dev, IPW_REG_INTA, &tmp); 3231 if (tmp & (IPW2100_INTA_FATAL_ERROR | 3232 IPW2100_INTA_PARITY_ERROR)) { 3233 write_register(dev, IPW_REG_INTA, 3234 IPW2100_INTA_FATAL_ERROR | 3235 IPW2100_INTA_PARITY_ERROR); 3236 } 3237 3238 write_register(dev, IPW_REG_INTA, IPW2100_INTA_FW_INIT_DONE); 3239 } 3240 3241 if (inta & IPW2100_INTA_STATUS_CHANGE) { 3242 IPW_DEBUG_ISR("Status change interrupt\n"); 3243 priv->inta_other++; 3244 write_register(dev, IPW_REG_INTA, IPW2100_INTA_STATUS_CHANGE); 3245 } 3246 3247 if (inta & IPW2100_INTA_SLAVE_MODE_HOST_COMMAND_DONE) { 3248 IPW_DEBUG_ISR("slave host mode interrupt\n"); 3249 priv->inta_other++; 3250 write_register(dev, IPW_REG_INTA, 3251 IPW2100_INTA_SLAVE_MODE_HOST_COMMAND_DONE); 3252 } 3253 3254 priv->in_isr--; 3255 ipw2100_enable_interrupts(priv); 3256 3257 spin_unlock_irqrestore(&priv->low_lock, flags); 3258 3259 IPW_DEBUG_ISR("exit\n"); 3260} 3261 3262static irqreturn_t ipw2100_interrupt(int irq, void *data) 3263{ 3264 struct ipw2100_priv *priv = data; 3265 u32 inta, inta_mask; 3266 3267 if (!data) 3268 return IRQ_NONE; 3269 3270 spin_lock(&priv->low_lock); 3271 3272 /* We check to see if we should be ignoring interrupts before 3273 * we touch the hardware. During ucode load if we try and handle 3274 * an interrupt we can cause keyboard problems as well as cause 3275 * the ucode to fail to initialize */ 3276 if (!(priv->status & STATUS_INT_ENABLED)) { 3277 /* Shared IRQ */ 3278 goto none; 3279 } 3280 3281 read_register(priv->net_dev, IPW_REG_INTA_MASK, &inta_mask); 3282 read_register(priv->net_dev, IPW_REG_INTA, &inta); 3283 3284 if (inta == 0xFFFFFFFF) { 3285 /* Hardware disappeared */ 3286 printk(KERN_WARNING DRV_NAME ": IRQ INTA == 0xFFFFFFFF\n"); 3287 goto none; 3288 } 3289 3290 inta &= IPW_INTERRUPT_MASK; 3291 3292 if (!(inta & inta_mask)) { 3293 /* Shared interrupt */ 3294 goto none; 3295 } 3296 3297 /* We disable the hardware interrupt here just to prevent unneeded 3298 * calls to be made. We disable this again within the actual 3299 * work tasklet, so if another part of the code re-enables the 3300 * interrupt, that is fine */ 3301 ipw2100_disable_interrupts(priv); 3302 3303 tasklet_schedule(&priv->irq_tasklet); 3304 spin_unlock(&priv->low_lock); 3305 3306 return IRQ_HANDLED; 3307 none: 3308 spin_unlock(&priv->low_lock); 3309 return IRQ_NONE; 3310} 3311 3312static int ipw2100_tx(struct ieee80211_txb *txb, struct net_device *dev, 3313 int pri) 3314{ 3315 struct ipw2100_priv *priv = ieee80211_priv(dev); 3316 struct list_head *element; 3317 struct ipw2100_tx_packet *packet; 3318 unsigned long flags; 3319 3320 spin_lock_irqsave(&priv->low_lock, flags); 3321 3322 if (!(priv->status & STATUS_ASSOCIATED)) { 3323 IPW_DEBUG_INFO("Can not transmit when not connected.\n"); 3324 priv->ieee->stats.tx_carrier_errors++; 3325 netif_stop_queue(dev); 3326 goto fail_unlock; 3327 } 3328 3329 if (list_empty(&priv->tx_free_list)) 3330 goto fail_unlock; 3331 3332 element = priv->tx_free_list.next; 3333 packet = list_entry(element, struct ipw2100_tx_packet, list); 3334 3335 packet->info.d_struct.txb = txb; 3336 3337 IPW_DEBUG_TX("Sending fragment (%d bytes):\n", txb->fragments[0]->len); 3338 printk_buf(IPW_DL_TX, txb->fragments[0]->data, txb->fragments[0]->len); 3339 3340 packet->jiffy_start = jiffies; 3341 3342 list_del(element); 3343 DEC_STAT(&priv->tx_free_stat); 3344 3345 list_add_tail(element, &priv->tx_pend_list); 3346 INC_STAT(&priv->tx_pend_stat); 3347 3348 ipw2100_tx_send_data(priv); 3349 3350 spin_unlock_irqrestore(&priv->low_lock, flags); 3351 return 0; 3352 3353 fail_unlock: 3354 netif_stop_queue(dev); 3355 spin_unlock_irqrestore(&priv->low_lock, flags); 3356 return 1; 3357} 3358 3359static int ipw2100_msg_allocate(struct ipw2100_priv *priv) 3360{ 3361 int i, j, err = -EINVAL; 3362 void *v; 3363 dma_addr_t p; 3364 3365 priv->msg_buffers = 3366 (struct ipw2100_tx_packet *)kmalloc(IPW_COMMAND_POOL_SIZE * 3367 sizeof(struct 3368 ipw2100_tx_packet), 3369 GFP_KERNEL); 3370 if (!priv->msg_buffers) { 3371 printk(KERN_ERR DRV_NAME ": %s: PCI alloc failed for msg " 3372 "buffers.\n", priv->net_dev->name); 3373 return -ENOMEM; 3374 } 3375 3376 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) { 3377 v = pci_alloc_consistent(priv->pci_dev, 3378 sizeof(struct ipw2100_cmd_header), &p); 3379 if (!v) { 3380 printk(KERN_ERR DRV_NAME ": " 3381 "%s: PCI alloc failed for msg " 3382 "buffers.\n", priv->net_dev->name); 3383 err = -ENOMEM; 3384 break; 3385 } 3386 3387 memset(v, 0, sizeof(struct ipw2100_cmd_header)); 3388 3389 priv->msg_buffers[i].type = COMMAND; 3390 priv->msg_buffers[i].info.c_struct.cmd = 3391 (struct ipw2100_cmd_header *)v; 3392 priv->msg_buffers[i].info.c_struct.cmd_phys = p; 3393 } 3394 3395 if (i == IPW_COMMAND_POOL_SIZE) 3396 return 0; 3397 3398 for (j = 0; j < i; j++) { 3399 pci_free_consistent(priv->pci_dev, 3400 sizeof(struct ipw2100_cmd_header), 3401 priv->msg_buffers[j].info.c_struct.cmd, 3402 priv->msg_buffers[j].info.c_struct. 3403 cmd_phys); 3404 } 3405 3406 kfree(priv->msg_buffers); 3407 priv->msg_buffers = NULL; 3408 3409 return err; 3410} 3411 3412static int ipw2100_msg_initialize(struct ipw2100_priv *priv) 3413{ 3414 int i; 3415 3416 INIT_LIST_HEAD(&priv->msg_free_list); 3417 INIT_LIST_HEAD(&priv->msg_pend_list); 3418 3419 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) 3420 list_add_tail(&priv->msg_buffers[i].list, &priv->msg_free_list); 3421 SET_STAT(&priv->msg_free_stat, i); 3422 3423 return 0; 3424} 3425 3426static void ipw2100_msg_free(struct ipw2100_priv *priv) 3427{ 3428 int i; 3429 3430 if (!priv->msg_buffers) 3431 return; 3432 3433 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) { 3434 pci_free_consistent(priv->pci_dev, 3435 sizeof(struct ipw2100_cmd_header), 3436 priv->msg_buffers[i].info.c_struct.cmd, 3437 priv->msg_buffers[i].info.c_struct. 3438 cmd_phys); 3439 } 3440 3441 kfree(priv->msg_buffers); 3442 priv->msg_buffers = NULL; 3443} 3444 3445static ssize_t show_pci(struct device *d, struct device_attribute *attr, 3446 char *buf) 3447{ 3448 struct pci_dev *pci_dev = container_of(d, struct pci_dev, dev); 3449 char *out = buf; 3450 int i, j; 3451 u32 val; 3452 3453 for (i = 0; i < 16; i++) { 3454 out += sprintf(out, "[%08X] ", i * 16); 3455 for (j = 0; j < 16; j += 4) { 3456 pci_read_config_dword(pci_dev, i * 16 + j, &val); 3457 out += sprintf(out, "%08X ", val); 3458 } 3459 out += sprintf(out, "\n"); 3460 } 3461 3462 return out - buf; 3463} 3464 3465static DEVICE_ATTR(pci, S_IRUGO, show_pci, NULL); 3466 3467static ssize_t show_cfg(struct device *d, struct device_attribute *attr, 3468 char *buf) 3469{ 3470 struct ipw2100_priv *p = d->driver_data; 3471 return sprintf(buf, "0x%08x\n", (int)p->config); 3472} 3473 3474static DEVICE_ATTR(cfg, S_IRUGO, show_cfg, NULL); 3475 3476static ssize_t show_status(struct device *d, struct device_attribute *attr, 3477 char *buf) 3478{ 3479 struct ipw2100_priv *p = d->driver_data; 3480 return sprintf(buf, "0x%08x\n", (int)p->status); 3481} 3482 3483static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); 3484 3485static ssize_t show_capability(struct device *d, struct device_attribute *attr, 3486 char *buf) 3487{ 3488 struct ipw2100_priv *p = d->driver_data; 3489 return sprintf(buf, "0x%08x\n", (int)p->capability); 3490} 3491 3492static DEVICE_ATTR(capability, S_IRUGO, show_capability, NULL); 3493 3494#define IPW2100_REG(x) { IPW_ ##x, #x } 3495static const struct { 3496 u32 addr; 3497 const char *name; 3498} hw_data[] = { 3499IPW2100_REG(REG_GP_CNTRL), 3500 IPW2100_REG(REG_GPIO), 3501 IPW2100_REG(REG_INTA), 3502 IPW2100_REG(REG_INTA_MASK), IPW2100_REG(REG_RESET_REG),}; 3503#define IPW2100_NIC(x, s) { x, #x, s } 3504static const struct { 3505 u32 addr; 3506 const char *name; 3507 size_t size; 3508} nic_data[] = { 3509IPW2100_NIC(IPW2100_CONTROL_REG, 2), 3510 IPW2100_NIC(0x210014, 1), IPW2100_NIC(0x210000, 1),}; 3511#define IPW2100_ORD(x, d) { IPW_ORD_ ##x, #x, d } 3512static const struct { 3513 u8 index; 3514 const char *name; 3515 const char *desc; 3516} ord_data[] = { 3517IPW2100_ORD(STAT_TX_HOST_REQUESTS, "requested Host Tx's (MSDU)"), 3518 IPW2100_ORD(STAT_TX_HOST_COMPLETE, 3519 "successful Host Tx's (MSDU)"), 3520 IPW2100_ORD(STAT_TX_DIR_DATA, 3521 "successful Directed Tx's (MSDU)"), 3522 IPW2100_ORD(STAT_TX_DIR_DATA1, 3523 "successful Directed Tx's (MSDU) @ 1MB"), 3524 IPW2100_ORD(STAT_TX_DIR_DATA2, 3525 "successful Directed Tx's (MSDU) @ 2MB"), 3526 IPW2100_ORD(STAT_TX_DIR_DATA5_5, 3527 "successful Directed Tx's (MSDU) @ 5_5MB"), 3528 IPW2100_ORD(STAT_TX_DIR_DATA11, 3529 "successful Directed Tx's (MSDU) @ 11MB"), 3530 IPW2100_ORD(STAT_TX_NODIR_DATA1, 3531 "successful Non_Directed Tx's (MSDU) @ 1MB"), 3532 IPW2100_ORD(STAT_TX_NODIR_DATA2, 3533 "successful Non_Directed Tx's (MSDU) @ 2MB"), 3534 IPW2100_ORD(STAT_TX_NODIR_DATA5_5, 3535 "successful Non_Directed Tx's (MSDU) @ 5.5MB"), 3536 IPW2100_ORD(STAT_TX_NODIR_DATA11, 3537 "successful Non_Directed Tx's (MSDU) @ 11MB"), 3538 IPW2100_ORD(STAT_NULL_DATA, "successful NULL data Tx's"), 3539 IPW2100_ORD(STAT_TX_RTS, "successful Tx RTS"), 3540 IPW2100_ORD(STAT_TX_CTS, "successful Tx CTS"), 3541 IPW2100_ORD(STAT_TX_ACK, "successful Tx ACK"), 3542 IPW2100_ORD(STAT_TX_ASSN, "successful Association Tx's"), 3543 IPW2100_ORD(STAT_TX_ASSN_RESP, 3544 "successful Association response Tx's"), 3545 IPW2100_ORD(STAT_TX_REASSN, 3546 "successful Reassociation Tx's"), 3547 IPW2100_ORD(STAT_TX_REASSN_RESP, 3548 "successful Reassociation response Tx's"), 3549 IPW2100_ORD(STAT_TX_PROBE, 3550 "probes successfully transmitted"), 3551 IPW2100_ORD(STAT_TX_PROBE_RESP, 3552 "probe responses successfully transmitted"), 3553 IPW2100_ORD(STAT_TX_BEACON, "tx beacon"), 3554 IPW2100_ORD(STAT_TX_ATIM, "Tx ATIM"), 3555 IPW2100_ORD(STAT_TX_DISASSN, 3556 "successful Disassociation TX"), 3557 IPW2100_ORD(STAT_TX_AUTH, "successful Authentication Tx"), 3558 IPW2100_ORD(STAT_TX_DEAUTH, 3559 "successful Deauthentication TX"), 3560 IPW2100_ORD(STAT_TX_TOTAL_BYTES, 3561 "Total successful Tx data bytes"), 3562 IPW2100_ORD(STAT_TX_RETRIES, "Tx retries"), 3563 IPW2100_ORD(STAT_TX_RETRY1, "Tx retries at 1MBPS"), 3564 IPW2100_ORD(STAT_TX_RETRY2, "Tx retries at 2MBPS"), 3565 IPW2100_ORD(STAT_TX_RETRY5_5, "Tx retries at 5.5MBPS"), 3566 IPW2100_ORD(STAT_TX_RETRY11, "Tx retries at 11MBPS"), 3567 IPW2100_ORD(STAT_TX_FAILURES, "Tx Failures"), 3568 IPW2100_ORD(STAT_TX_MAX_TRIES_IN_HOP, 3569 "times max tries in a hop failed"), 3570 IPW2100_ORD(STAT_TX_DISASSN_FAIL, 3571 "times disassociation failed"), 3572 IPW2100_ORD(STAT_TX_ERR_CTS, "missed/bad CTS frames"), 3573 IPW2100_ORD(STAT_TX_ERR_ACK, "tx err due to acks"), 3574 IPW2100_ORD(STAT_RX_HOST, "packets passed to host"), 3575 IPW2100_ORD(STAT_RX_DIR_DATA, "directed packets"), 3576 IPW2100_ORD(STAT_RX_DIR_DATA1, "directed packets at 1MB"), 3577 IPW2100_ORD(STAT_RX_DIR_DATA2, "directed packets at 2MB"), 3578 IPW2100_ORD(STAT_RX_DIR_DATA5_5, 3579 "directed packets at 5.5MB"), 3580 IPW2100_ORD(STAT_RX_DIR_DATA11, "directed packets at 11MB"), 3581 IPW2100_ORD(STAT_RX_NODIR_DATA, "nondirected packets"), 3582 IPW2100_ORD(STAT_RX_NODIR_DATA1, 3583 "nondirected packets at 1MB"), 3584 IPW2100_ORD(STAT_RX_NODIR_DATA2, 3585 "nondirected packets at 2MB"), 3586 IPW2100_ORD(STAT_RX_NODIR_DATA5_5, 3587 "nondirected packets at 5.5MB"), 3588 IPW2100_ORD(STAT_RX_NODIR_DATA11, 3589 "nondirected packets at 11MB"), 3590 IPW2100_ORD(STAT_RX_NULL_DATA, "null data rx's"), 3591 IPW2100_ORD(STAT_RX_RTS, "Rx RTS"), IPW2100_ORD(STAT_RX_CTS, 3592 "Rx CTS"), 3593 IPW2100_ORD(STAT_RX_ACK, "Rx ACK"), 3594 IPW2100_ORD(STAT_RX_CFEND, "Rx CF End"), 3595 IPW2100_ORD(STAT_RX_CFEND_ACK, "Rx CF End + CF Ack"), 3596 IPW2100_ORD(STAT_RX_ASSN, "Association Rx's"), 3597 IPW2100_ORD(STAT_RX_ASSN_RESP, "Association response Rx's"), 3598 IPW2100_ORD(STAT_RX_REASSN, "Reassociation Rx's"), 3599 IPW2100_ORD(STAT_RX_REASSN_RESP, 3600 "Reassociation response Rx's"), 3601 IPW2100_ORD(STAT_RX_PROBE, "probe Rx's"), 3602 IPW2100_ORD(STAT_RX_PROBE_RESP, "probe response Rx's"), 3603 IPW2100_ORD(STAT_RX_BEACON, "Rx beacon"), 3604 IPW2100_ORD(STAT_RX_ATIM, "Rx ATIM"), 3605 IPW2100_ORD(STAT_RX_DISASSN, "disassociation Rx"), 3606 IPW2100_ORD(STAT_RX_AUTH, "authentication Rx"), 3607 IPW2100_ORD(STAT_RX_DEAUTH, "deauthentication Rx"), 3608 IPW2100_ORD(STAT_RX_TOTAL_BYTES, 3609 "Total rx data bytes received"), 3610 IPW2100_ORD(STAT_RX_ERR_CRC, "packets with Rx CRC error"), 3611 IPW2100_ORD(STAT_RX_ERR_CRC1, "Rx CRC errors at 1MB"), 3612 IPW2100_ORD(STAT_RX_ERR_CRC2, "Rx CRC errors at 2MB"), 3613 IPW2100_ORD(STAT_RX_ERR_CRC5_5, "Rx CRC errors at 5.5MB"), 3614 IPW2100_ORD(STAT_RX_ERR_CRC11, "Rx CRC errors at 11MB"), 3615 IPW2100_ORD(STAT_RX_DUPLICATE1, 3616 "duplicate rx packets at 1MB"), 3617 IPW2100_ORD(STAT_RX_DUPLICATE2, 3618 "duplicate rx packets at 2MB"), 3619 IPW2100_ORD(STAT_RX_DUPLICATE5_5, 3620 "duplicate rx packets at 5.5MB"), 3621 IPW2100_ORD(STAT_RX_DUPLICATE11, 3622 "duplicate rx packets at 11MB"), 3623 IPW2100_ORD(STAT_RX_DUPLICATE, "duplicate rx packets"), 3624 IPW2100_ORD(PERS_DB_LOCK, "locking fw permanent db"), 3625 IPW2100_ORD(PERS_DB_SIZE, "size of fw permanent db"), 3626 IPW2100_ORD(PERS_DB_ADDR, "address of fw permanent db"), 3627 IPW2100_ORD(STAT_RX_INVALID_PROTOCOL, 3628 "rx frames with invalid protocol"), 3629 IPW2100_ORD(SYS_BOOT_TIME, "Boot time"), 3630 IPW2100_ORD(STAT_RX_NO_BUFFER, 3631 "rx frames rejected due to no buffer"), 3632 IPW2100_ORD(STAT_RX_MISSING_FRAG, 3633 "rx frames dropped due to missing fragment"), 3634 IPW2100_ORD(STAT_RX_ORPHAN_FRAG, 3635 "rx frames dropped due to non-sequential fragment"), 3636 IPW2100_ORD(STAT_RX_ORPHAN_FRAME, 3637 "rx frames dropped due to unmatched 1st frame"), 3638 IPW2100_ORD(STAT_RX_FRAG_AGEOUT, 3639 "rx frames dropped due to uncompleted frame"), 3640 IPW2100_ORD(STAT_RX_ICV_ERRORS, 3641 "ICV errors during decryption"), 3642 IPW2100_ORD(STAT_PSP_SUSPENSION, "times adapter suspended"), 3643 IPW2100_ORD(STAT_PSP_BCN_TIMEOUT, "beacon timeout"), 3644 IPW2100_ORD(STAT_PSP_POLL_TIMEOUT, 3645 "poll response timeouts"), 3646 IPW2100_ORD(STAT_PSP_NONDIR_TIMEOUT, 3647 "timeouts waiting for last {broad,multi}cast pkt"), 3648 IPW2100_ORD(STAT_PSP_RX_DTIMS, "PSP DTIMs received"), 3649 IPW2100_ORD(STAT_PSP_RX_TIMS, "PSP TIMs received"), 3650 IPW2100_ORD(STAT_PSP_STATION_ID, "PSP Station ID"), 3651 IPW2100_ORD(LAST_ASSN_TIME, "RTC time of last association"), 3652 IPW2100_ORD(STAT_PERCENT_MISSED_BCNS, 3653 "current calculation of % missed beacons"), 3654 IPW2100_ORD(STAT_PERCENT_RETRIES, 3655 "current calculation of % missed tx retries"), 3656 IPW2100_ORD(ASSOCIATED_AP_PTR, 3657 "0 if not associated, else pointer to AP table entry"), 3658 IPW2100_ORD(AVAILABLE_AP_CNT, 3659 "AP's decsribed in the AP table"), 3660 IPW2100_ORD(AP_LIST_PTR, "Ptr to list of available APs"), 3661 IPW2100_ORD(STAT_AP_ASSNS, "associations"), 3662 IPW2100_ORD(STAT_ASSN_FAIL, "association failures"), 3663 IPW2100_ORD(STAT_ASSN_RESP_FAIL, 3664 "failures due to response fail"), 3665 IPW2100_ORD(STAT_FULL_SCANS, "full scans"), 3666 IPW2100_ORD(CARD_DISABLED, "Card Disabled"), 3667 IPW2100_ORD(STAT_ROAM_INHIBIT, 3668 "times roaming was inhibited due to activity"), 3669 IPW2100_ORD(RSSI_AT_ASSN, 3670 "RSSI of associated AP at time of association"), 3671 IPW2100_ORD(STAT_ASSN_CAUSE1, 3672 "reassociation: no probe response or TX on hop"), 3673 IPW2100_ORD(STAT_ASSN_CAUSE2, 3674 "reassociation: poor tx/rx quality"), 3675 IPW2100_ORD(STAT_ASSN_CAUSE3, 3676 "reassociation: tx/rx quality (excessive AP load"), 3677 IPW2100_ORD(STAT_ASSN_CAUSE4, 3678 "reassociation: AP RSSI level"), 3679 IPW2100_ORD(STAT_ASSN_CAUSE5, 3680 "reassociations due to load leveling"), 3681 IPW2100_ORD(STAT_AUTH_FAIL, "times authentication failed"), 3682 IPW2100_ORD(STAT_AUTH_RESP_FAIL, 3683 "times authentication response failed"), 3684 IPW2100_ORD(STATION_TABLE_CNT, 3685 "entries in association table"), 3686 IPW2100_ORD(RSSI_AVG_CURR, "Current avg RSSI"), 3687 IPW2100_ORD(POWER_MGMT_MODE, "Power mode - 0=CAM, 1=PSP"), 3688 IPW2100_ORD(COUNTRY_CODE, 3689 "IEEE country code as recv'd from beacon"), 3690 IPW2100_ORD(COUNTRY_CHANNELS, 3691 "channels suported by country"), 3692 IPW2100_ORD(RESET_CNT, "adapter resets (warm)"), 3693 IPW2100_ORD(BEACON_INTERVAL, "Beacon interval"), 3694 IPW2100_ORD(ANTENNA_DIVERSITY, 3695 "TRUE if antenna diversity is disabled"), 3696 IPW2100_ORD(DTIM_PERIOD, "beacon intervals between DTIMs"), 3697 IPW2100_ORD(OUR_FREQ, 3698 "current radio freq lower digits - channel ID"), 3699 IPW2100_ORD(RTC_TIME, "current RTC time"), 3700 IPW2100_ORD(PORT_TYPE, "operating mode"), 3701 IPW2100_ORD(CURRENT_TX_RATE, "current tx rate"), 3702 IPW2100_ORD(SUPPORTED_RATES, "supported tx rates"), 3703 IPW2100_ORD(ATIM_WINDOW, "current ATIM Window"), 3704 IPW2100_ORD(BASIC_RATES, "basic tx rates"), 3705 IPW2100_ORD(NIC_HIGHEST_RATE, "NIC highest tx rate"), 3706 IPW2100_ORD(AP_HIGHEST_RATE, "AP highest tx rate"), 3707 IPW2100_ORD(CAPABILITIES, 3708 "Management frame capability field"), 3709 IPW2100_ORD(AUTH_TYPE, "Type of authentication"), 3710 IPW2100_ORD(RADIO_TYPE, "Adapter card platform type"), 3711 IPW2100_ORD(RTS_THRESHOLD, 3712 "Min packet length for RTS handshaking"), 3713 IPW2100_ORD(INT_MODE, "International mode"), 3714 IPW2100_ORD(FRAGMENTATION_THRESHOLD, 3715 "protocol frag threshold"), 3716 IPW2100_ORD(EEPROM_SRAM_DB_BLOCK_START_ADDRESS, 3717 "EEPROM offset in SRAM"), 3718 IPW2100_ORD(EEPROM_SRAM_DB_BLOCK_SIZE, 3719 "EEPROM size in SRAM"), 3720 IPW2100_ORD(EEPROM_SKU_CAPABILITY, "EEPROM SKU Capability"), 3721 IPW2100_ORD(EEPROM_IBSS_11B_CHANNELS, 3722 "EEPROM IBSS 11b channel set"), 3723 IPW2100_ORD(MAC_VERSION, "MAC Version"), 3724 IPW2100_ORD(MAC_REVISION, "MAC Revision"), 3725 IPW2100_ORD(RADIO_VERSION, "Radio Version"), 3726 IPW2100_ORD(NIC_MANF_DATE_TIME, "MANF Date/Time STAMP"), 3727 IPW2100_ORD(UCODE_VERSION, "Ucode Version"),}; 3728 3729static ssize_t show_registers(struct device *d, struct device_attribute *attr, 3730 char *buf) 3731{ 3732 int i; 3733 struct ipw2100_priv *priv = dev_get_drvdata(d); 3734 struct net_device *dev = priv->net_dev; 3735 char *out = buf; 3736 u32 val = 0; 3737 3738 out += sprintf(out, "%30s [Address ] : Hex\n", "Register"); 3739 3740 for (i = 0; i < ARRAY_SIZE(hw_data); i++) { 3741 read_register(dev, hw_data[i].addr, &val); 3742 out += sprintf(out, "%30s [%08X] : %08X\n", 3743 hw_data[i].name, hw_data[i].addr, val); 3744 } 3745 3746 return out - buf; 3747} 3748 3749static DEVICE_ATTR(registers, S_IRUGO, show_registers, NULL); 3750 3751static ssize_t show_hardware(struct device *d, struct device_attribute *attr, 3752 char *buf) 3753{ 3754 struct ipw2100_priv *priv = dev_get_drvdata(d); 3755 struct net_device *dev = priv->net_dev; 3756 char *out = buf; 3757 int i; 3758 3759 out += sprintf(out, "%30s [Address ] : Hex\n", "NIC entry"); 3760 3761 for (i = 0; i < ARRAY_SIZE(nic_data); i++) { 3762 u8 tmp8; 3763 u16 tmp16; 3764 u32 tmp32; 3765 3766 switch (nic_data[i].size) { 3767 case 1: 3768 read_nic_byte(dev, nic_data[i].addr, &tmp8); 3769 out += sprintf(out, "%30s [%08X] : %02X\n", 3770 nic_data[i].name, nic_data[i].addr, 3771 tmp8); 3772 break; 3773 case 2: 3774 read_nic_word(dev, nic_data[i].addr, &tmp16); 3775 out += sprintf(out, "%30s [%08X] : %04X\n", 3776 nic_data[i].name, nic_data[i].addr, 3777 tmp16); 3778 break; 3779 case 4: 3780 read_nic_dword(dev, nic_data[i].addr, &tmp32); 3781 out += sprintf(out, "%30s [%08X] : %08X\n", 3782 nic_data[i].name, nic_data[i].addr, 3783 tmp32); 3784 break; 3785 } 3786 } 3787 return out - buf; 3788} 3789 3790static DEVICE_ATTR(hardware, S_IRUGO, show_hardware, NULL); 3791 3792static ssize_t show_memory(struct device *d, struct device_attribute *attr, 3793 char *buf) 3794{ 3795 struct ipw2100_priv *priv = dev_get_drvdata(d); 3796 struct net_device *dev = priv->net_dev; 3797 static unsigned long loop = 0; 3798 int len = 0; 3799 u32 buffer[4]; 3800 int i; 3801 char line[81]; 3802 3803 if (loop >= 0x30000) 3804 loop = 0; 3805 3806 /* sysfs provides us PAGE_SIZE buffer */ 3807 while (len < PAGE_SIZE - 128 && loop < 0x30000) { 3808 3809 if (priv->snapshot[0]) 3810 for (i = 0; i < 4; i++) 3811 buffer[i] = 3812 *(u32 *) SNAPSHOT_ADDR(loop + i * 4); 3813 else 3814 for (i = 0; i < 4; i++) 3815 read_nic_dword(dev, loop + i * 4, &buffer[i]); 3816 3817 if (priv->dump_raw) 3818 len += sprintf(buf + len, 3819 "%c%c%c%c" 3820 "%c%c%c%c" 3821 "%c%c%c%c" 3822 "%c%c%c%c", 3823 ((u8 *) buffer)[0x0], 3824 ((u8 *) buffer)[0x1], 3825 ((u8 *) buffer)[0x2], 3826 ((u8 *) buffer)[0x3], 3827 ((u8 *) buffer)[0x4], 3828 ((u8 *) buffer)[0x5], 3829 ((u8 *) buffer)[0x6], 3830 ((u8 *) buffer)[0x7], 3831 ((u8 *) buffer)[0x8], 3832 ((u8 *) buffer)[0x9], 3833 ((u8 *) buffer)[0xa], 3834 ((u8 *) buffer)[0xb], 3835 ((u8 *) buffer)[0xc], 3836 ((u8 *) buffer)[0xd], 3837 ((u8 *) buffer)[0xe], 3838 ((u8 *) buffer)[0xf]); 3839 else 3840 len += sprintf(buf + len, "%s\n", 3841 snprint_line(line, sizeof(line), 3842 (u8 *) buffer, 16, loop)); 3843 loop += 16; 3844 } 3845 3846 return len; 3847} 3848 3849static ssize_t store_memory(struct device *d, struct device_attribute *attr, 3850 const char *buf, size_t count) 3851{ 3852 struct ipw2100_priv *priv = dev_get_drvdata(d); 3853 struct net_device *dev = priv->net_dev; 3854 const char *p = buf; 3855 3856 (void)dev; /* kill unused-var warning for debug-only code */ 3857 3858 if (count < 1) 3859 return count; 3860 3861 if (p[0] == '1' || 3862 (count >= 2 && tolower(p[0]) == 'o' && tolower(p[1]) == 'n')) { 3863 IPW_DEBUG_INFO("%s: Setting memory dump to RAW mode.\n", 3864 dev->name); 3865 priv->dump_raw = 1; 3866 3867 } else if (p[0] == '0' || (count >= 2 && tolower(p[0]) == 'o' && 3868 tolower(p[1]) == 'f')) { 3869 IPW_DEBUG_INFO("%s: Setting memory dump to HEX mode.\n", 3870 dev->name); 3871 priv->dump_raw = 0; 3872 3873 } else if (tolower(p[0]) == 'r') { 3874 IPW_DEBUG_INFO("%s: Resetting firmware snapshot.\n", dev->name); 3875 ipw2100_snapshot_free(priv); 3876 3877 } else 3878 IPW_DEBUG_INFO("%s: Usage: 0|on = HEX, 1|off = RAW, " 3879 "reset = clear memory snapshot\n", dev->name); 3880 3881 return count; 3882} 3883 3884static DEVICE_ATTR(memory, S_IWUSR | S_IRUGO, show_memory, store_memory); 3885 3886static ssize_t show_ordinals(struct device *d, struct device_attribute *attr, 3887 char *buf) 3888{ 3889 struct ipw2100_priv *priv = dev_get_drvdata(d); 3890 u32 val = 0; 3891 int len = 0; 3892 u32 val_len; 3893 static int loop = 0; 3894 3895 if (priv->status & STATUS_RF_KILL_MASK) 3896 return 0; 3897 3898 if (loop >= ARRAY_SIZE(ord_data)) 3899 loop = 0; 3900 3901 /* sysfs provides us PAGE_SIZE buffer */ 3902 while (len < PAGE_SIZE - 128 && loop < ARRAY_SIZE(ord_data)) { 3903 val_len = sizeof(u32); 3904 3905 if (ipw2100_get_ordinal(priv, ord_data[loop].index, &val, 3906 &val_len)) 3907 len += sprintf(buf + len, "[0x%02X] = ERROR %s\n", 3908 ord_data[loop].index, 3909 ord_data[loop].desc); 3910 else 3911 len += sprintf(buf + len, "[0x%02X] = 0x%08X %s\n", 3912 ord_data[loop].index, val, 3913 ord_data[loop].desc); 3914 loop++; 3915 } 3916 3917 return len; 3918} 3919 3920static DEVICE_ATTR(ordinals, S_IRUGO, show_ordinals, NULL); 3921 3922static ssize_t show_stats(struct device *d, struct device_attribute *attr, 3923 char *buf) 3924{ 3925 struct ipw2100_priv *priv = dev_get_drvdata(d); 3926 char *out = buf; 3927 3928 out += sprintf(out, "interrupts: %d {tx: %d, rx: %d, other: %d}\n", 3929 priv->interrupts, priv->tx_interrupts, 3930 priv->rx_interrupts, priv->inta_other); 3931 out += sprintf(out, "firmware resets: %d\n", priv->resets); 3932 out += sprintf(out, "firmware hangs: %d\n", priv->hangs); 3933#ifdef CONFIG_IPW2100_DEBUG 3934 out += sprintf(out, "packet mismatch image: %s\n", 3935 priv->snapshot[0] ? "YES" : "NO"); 3936#endif 3937 3938 return out - buf; 3939} 3940 3941static DEVICE_ATTR(stats, S_IRUGO, show_stats, NULL); 3942 3943static int ipw2100_switch_mode(struct ipw2100_priv *priv, u32 mode) 3944{ 3945 int err; 3946 3947 if (mode == priv->ieee->iw_mode) 3948 return 0; 3949 3950 err = ipw2100_disable_adapter(priv); 3951 if (err) { 3952 printk(KERN_ERR DRV_NAME ": %s: Could not disable adapter %d\n", 3953 priv->net_dev->name, err); 3954 return err; 3955 } 3956 3957 switch (mode) { 3958 case IW_MODE_INFRA: 3959 priv->net_dev->type = ARPHRD_ETHER; 3960 break; 3961 case IW_MODE_ADHOC: 3962 priv->net_dev->type = ARPHRD_ETHER; 3963 break; 3964#ifdef CONFIG_IPW2100_MONITOR 3965 case IW_MODE_MONITOR: 3966 priv->last_mode = priv->ieee->iw_mode; 3967 priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP; 3968 break; 3969#endif /* CONFIG_IPW2100_MONITOR */ 3970 } 3971 3972 priv->ieee->iw_mode = mode; 3973 3974#ifdef CONFIG_PM 3975 /* Indicate ipw2100_download_firmware download firmware 3976 * from disk instead of memory. */ 3977 ipw2100_firmware.version = 0; 3978#endif 3979 3980 printk(KERN_INFO "%s: Reseting on mode change.\n", priv->net_dev->name); 3981 priv->reset_backoff = 0; 3982 schedule_reset(priv); 3983 3984 return 0; 3985} 3986 3987static ssize_t show_internals(struct device *d, struct device_attribute *attr, 3988 char *buf) 3989{ 3990 struct ipw2100_priv *priv = dev_get_drvdata(d); 3991 int len = 0; 3992 3993#define DUMP_VAR(x,y) len += sprintf(buf + len, # x ": %" y "\n", priv-> x) 3994 3995 if (priv->status & STATUS_ASSOCIATED) 3996 len += sprintf(buf + len, "connected: %lu\n", 3997 get_seconds() - priv->connect_start); 3998 else 3999 len += sprintf(buf + len, "not connected\n"); 4000 4001 DUMP_VAR(ieee->crypt[priv->ieee->tx_keyidx], "p"); 4002 DUMP_VAR(status, "08lx"); 4003 DUMP_VAR(config, "08lx"); 4004 DUMP_VAR(capability, "08lx"); 4005 4006 len += 4007 sprintf(buf + len, "last_rtc: %lu\n", 4008 (unsigned long)priv->last_rtc); 4009 4010 DUMP_VAR(fatal_error, "d"); 4011 DUMP_VAR(stop_hang_check, "d"); 4012 DUMP_VAR(stop_rf_kill, "d"); 4013 DUMP_VAR(messages_sent, "d"); 4014 4015 DUMP_VAR(tx_pend_stat.value, "d"); 4016 DUMP_VAR(tx_pend_stat.hi, "d"); 4017 4018 DUMP_VAR(tx_free_stat.value, "d"); 4019 DUMP_VAR(tx_free_stat.lo, "d"); 4020 4021 DUMP_VAR(msg_free_stat.value, "d"); 4022 DUMP_VAR(msg_free_stat.lo, "d"); 4023 4024 DUMP_VAR(msg_pend_stat.value, "d"); 4025 DUMP_VAR(msg_pend_stat.hi, "d"); 4026 4027 DUMP_VAR(fw_pend_stat.value, "d"); 4028 DUMP_VAR(fw_pend_stat.hi, "d"); 4029 4030 DUMP_VAR(txq_stat.value, "d"); 4031 DUMP_VAR(txq_stat.lo, "d"); 4032 4033 DUMP_VAR(ieee->scans, "d"); 4034 DUMP_VAR(reset_backoff, "d"); 4035 4036 return len; 4037} 4038 4039static DEVICE_ATTR(internals, S_IRUGO, show_internals, NULL); 4040 4041static ssize_t show_bssinfo(struct device *d, struct device_attribute *attr, 4042 char *buf) 4043{ 4044 struct ipw2100_priv *priv = dev_get_drvdata(d); 4045 char essid[IW_ESSID_MAX_SIZE + 1]; 4046 u8 bssid[ETH_ALEN]; 4047 u32 chan = 0; 4048 char *out = buf; 4049 int length; 4050 int ret; 4051 4052 if (priv->status & STATUS_RF_KILL_MASK) 4053 return 0; 4054 4055 memset(essid, 0, sizeof(essid)); 4056 memset(bssid, 0, sizeof(bssid)); 4057 4058 length = IW_ESSID_MAX_SIZE; 4059 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_SSID, essid, &length); 4060 if (ret) 4061 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 4062 __LINE__); 4063 4064 length = sizeof(bssid); 4065 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID, 4066 bssid, &length); 4067 if (ret) 4068 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 4069 __LINE__); 4070 4071 length = sizeof(u32); 4072 ret = ipw2100_get_ordinal(priv, IPW_ORD_OUR_FREQ, &chan, &length); 4073 if (ret) 4074 IPW_DEBUG_INFO("failed querying ordinals at line %d\n", 4075 __LINE__); 4076 4077 out += sprintf(out, "ESSID: %s\n", essid); 4078 out += sprintf(out, "BSSID: %02x:%02x:%02x:%02x:%02x:%02x\n", 4079 bssid[0], bssid[1], bssid[2], 4080 bssid[3], bssid[4], bssid[5]); 4081 out += sprintf(out, "Channel: %d\n", chan); 4082 4083 return out - buf; 4084} 4085 4086static DEVICE_ATTR(bssinfo, S_IRUGO, show_bssinfo, NULL); 4087 4088#ifdef CONFIG_IPW2100_DEBUG 4089static ssize_t show_debug_level(struct device_driver *d, char *buf) 4090{ 4091 return sprintf(buf, "0x%08X\n", ipw2100_debug_level); 4092} 4093 4094static ssize_t store_debug_level(struct device_driver *d, 4095 const char *buf, size_t count) 4096{ 4097 char *p = (char *)buf; 4098 u32 val; 4099 4100 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') { 4101 p++; 4102 if (p[0] == 'x' || p[0] == 'X') 4103 p++; 4104 val = simple_strtoul(p, &p, 16); 4105 } else 4106 val = simple_strtoul(p, &p, 10); 4107 if (p == buf) 4108 IPW_DEBUG_INFO(": %s is not in hex or decimal form.\n", buf); 4109 else 4110 ipw2100_debug_level = val; 4111 4112 return strnlen(buf, count); 4113} 4114 4115static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level, 4116 store_debug_level); 4117#endif /* CONFIG_IPW2100_DEBUG */ 4118 4119static ssize_t show_fatal_error(struct device *d, 4120 struct device_attribute *attr, char *buf) 4121{ 4122 struct ipw2100_priv *priv = dev_get_drvdata(d); 4123 char *out = buf; 4124 int i; 4125 4126 if (priv->fatal_error) 4127 out += sprintf(out, "0x%08X\n", priv->fatal_error); 4128 else 4129 out += sprintf(out, "0\n"); 4130 4131 for (i = 1; i <= IPW2100_ERROR_QUEUE; i++) { 4132 if (!priv->fatal_errors[(priv->fatal_index - i) % 4133 IPW2100_ERROR_QUEUE]) 4134 continue; 4135 4136 out += sprintf(out, "%d. 0x%08X\n", i, 4137 priv->fatal_errors[(priv->fatal_index - i) % 4138 IPW2100_ERROR_QUEUE]); 4139 } 4140 4141 return out - buf; 4142} 4143 4144static ssize_t store_fatal_error(struct device *d, 4145 struct device_attribute *attr, const char *buf, 4146 size_t count) 4147{ 4148 struct ipw2100_priv *priv = dev_get_drvdata(d); 4149 schedule_reset(priv); 4150 return count; 4151} 4152 4153static DEVICE_ATTR(fatal_error, S_IWUSR | S_IRUGO, show_fatal_error, 4154 store_fatal_error); 4155 4156static ssize_t show_scan_age(struct device *d, struct device_attribute *attr, 4157 char *buf) 4158{ 4159 struct ipw2100_priv *priv = dev_get_drvdata(d); 4160 return sprintf(buf, "%d\n", priv->ieee->scan_age); 4161} 4162 4163static ssize_t store_scan_age(struct device *d, struct device_attribute *attr, 4164 const char *buf, size_t count) 4165{ 4166 struct ipw2100_priv *priv = dev_get_drvdata(d); 4167 struct net_device *dev = priv->net_dev; 4168 char buffer[] = "00000000"; 4169 unsigned long len = 4170 (sizeof(buffer) - 1) > count ? count : sizeof(buffer) - 1; 4171 unsigned long val; 4172 char *p = buffer; 4173 4174 (void)dev; /* kill unused-var warning for debug-only code */ 4175 4176 IPW_DEBUG_INFO("enter\n"); 4177 4178 strncpy(buffer, buf, len); 4179 buffer[len] = 0; 4180 4181 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') { 4182 p++; 4183 if (p[0] == 'x' || p[0] == 'X') 4184 p++; 4185 val = simple_strtoul(p, &p, 16); 4186 } else 4187 val = simple_strtoul(p, &p, 10); 4188 if (p == buffer) { 4189 IPW_DEBUG_INFO("%s: user supplied invalid value.\n", dev->name); 4190 } else { 4191 priv->ieee->scan_age = val; 4192 IPW_DEBUG_INFO("set scan_age = %u\n", priv->ieee->scan_age); 4193 } 4194 4195 IPW_DEBUG_INFO("exit\n"); 4196 return len; 4197} 4198 4199static DEVICE_ATTR(scan_age, S_IWUSR | S_IRUGO, show_scan_age, store_scan_age); 4200 4201static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr, 4202 char *buf) 4203{ 4204 /* 0 - RF kill not enabled 4205 1 - SW based RF kill active (sysfs) 4206 2 - HW based RF kill active 4207 3 - Both HW and SW baed RF kill active */ 4208 struct ipw2100_priv *priv = (struct ipw2100_priv *)d->driver_data; 4209 int val = ((priv->status & STATUS_RF_KILL_SW) ? 0x1 : 0x0) | 4210 (rf_kill_active(priv) ? 0x2 : 0x0); 4211 return sprintf(buf, "%i\n", val); 4212} 4213 4214static int ipw_radio_kill_sw(struct ipw2100_priv *priv, int disable_radio) 4215{ 4216 if ((disable_radio ? 1 : 0) == 4217 (priv->status & STATUS_RF_KILL_SW ? 1 : 0)) 4218 return 0; 4219 4220 IPW_DEBUG_RF_KILL("Manual SW RF Kill set to: RADIO %s\n", 4221 disable_radio ? "OFF" : "ON"); 4222 4223 mutex_lock(&priv->action_mutex); 4224 4225 if (disable_radio) { 4226 priv->status |= STATUS_RF_KILL_SW; 4227 ipw2100_down(priv); 4228 } else { 4229 priv->status &= ~STATUS_RF_KILL_SW; 4230 if (rf_kill_active(priv)) { 4231 IPW_DEBUG_RF_KILL("Can not turn radio back on - " 4232 "disabled by HW switch\n"); 4233 /* Make sure the RF_KILL check timer is running */ 4234 priv->stop_rf_kill = 0; 4235 cancel_delayed_work(&priv->rf_kill); 4236 queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); 4237 } else 4238 schedule_reset(priv); 4239 } 4240 4241 mutex_unlock(&priv->action_mutex); 4242 return 1; 4243} 4244 4245static ssize_t store_rf_kill(struct device *d, struct device_attribute *attr, 4246 const char *buf, size_t count) 4247{ 4248 struct ipw2100_priv *priv = dev_get_drvdata(d); 4249 ipw_radio_kill_sw(priv, buf[0] == '1'); 4250 return count; 4251} 4252 4253static DEVICE_ATTR(rf_kill, S_IWUSR | S_IRUGO, show_rf_kill, store_rf_kill); 4254 4255static struct attribute *ipw2100_sysfs_entries[] = { 4256 &dev_attr_hardware.attr, 4257 &dev_attr_registers.attr, 4258 &dev_attr_ordinals.attr, 4259 &dev_attr_pci.attr, 4260 &dev_attr_stats.attr, 4261 &dev_attr_internals.attr, 4262 &dev_attr_bssinfo.attr, 4263 &dev_attr_memory.attr, 4264 &dev_attr_scan_age.attr, 4265 &dev_attr_fatal_error.attr, 4266 &dev_attr_rf_kill.attr, 4267 &dev_attr_cfg.attr, 4268 &dev_attr_status.attr, 4269 &dev_attr_capability.attr, 4270 NULL, 4271}; 4272 4273static struct attribute_group ipw2100_attribute_group = { 4274 .attrs = ipw2100_sysfs_entries, 4275}; 4276 4277static int status_queue_allocate(struct ipw2100_priv *priv, int entries) 4278{ 4279 struct ipw2100_status_queue *q = &priv->status_queue; 4280 4281 IPW_DEBUG_INFO("enter\n"); 4282 4283 q->size = entries * sizeof(struct ipw2100_status); 4284 q->drv = 4285 (struct ipw2100_status *)pci_alloc_consistent(priv->pci_dev, 4286 q->size, &q->nic); 4287 if (!q->drv) { 4288 IPW_DEBUG_WARNING("Can not allocate status queue.\n"); 4289 return -ENOMEM; 4290 } 4291 4292 memset(q->drv, 0, q->size); 4293 4294 IPW_DEBUG_INFO("exit\n"); 4295 4296 return 0; 4297} 4298 4299static void status_queue_free(struct ipw2100_priv *priv) 4300{ 4301 IPW_DEBUG_INFO("enter\n"); 4302 4303 if (priv->status_queue.drv) { 4304 pci_free_consistent(priv->pci_dev, priv->status_queue.size, 4305 priv->status_queue.drv, 4306 priv->status_queue.nic); 4307 priv->status_queue.drv = NULL; 4308 } 4309 4310 IPW_DEBUG_INFO("exit\n"); 4311} 4312 4313static int bd_queue_allocate(struct ipw2100_priv *priv, 4314 struct ipw2100_bd_queue *q, int entries) 4315{ 4316 IPW_DEBUG_INFO("enter\n"); 4317 4318 memset(q, 0, sizeof(struct ipw2100_bd_queue)); 4319 4320 q->entries = entries; 4321 q->size = entries * sizeof(struct ipw2100_bd); 4322 q->drv = pci_alloc_consistent(priv->pci_dev, q->size, &q->nic); 4323 if (!q->drv) { 4324 IPW_DEBUG_INFO 4325 ("can't allocate shared memory for buffer descriptors\n"); 4326 return -ENOMEM; 4327 } 4328 memset(q->drv, 0, q->size); 4329 4330 IPW_DEBUG_INFO("exit\n"); 4331 4332 return 0; 4333} 4334 4335static void bd_queue_free(struct ipw2100_priv *priv, struct ipw2100_bd_queue *q) 4336{ 4337 IPW_DEBUG_INFO("enter\n"); 4338 4339 if (!q) 4340 return; 4341 4342 if (q->drv) { 4343 pci_free_consistent(priv->pci_dev, q->size, q->drv, q->nic); 4344 q->drv = NULL; 4345 } 4346 4347 IPW_DEBUG_INFO("exit\n"); 4348} 4349 4350static void bd_queue_initialize(struct ipw2100_priv *priv, 4351 struct ipw2100_bd_queue *q, u32 base, u32 size, 4352 u32 r, u32 w) 4353{ 4354 IPW_DEBUG_INFO("enter\n"); 4355 4356 IPW_DEBUG_INFO("initializing bd queue at virt=%p, phys=%08x\n", q->drv, 4357 (u32) q->nic); 4358 4359 write_register(priv->net_dev, base, q->nic); 4360 write_register(priv->net_dev, size, q->entries); 4361 write_register(priv->net_dev, r, q->oldest); 4362 write_register(priv->net_dev, w, q->next); 4363 4364 IPW_DEBUG_INFO("exit\n"); 4365} 4366 4367static void ipw2100_kill_workqueue(struct ipw2100_priv *priv) 4368{ 4369 if (priv->workqueue) { 4370 priv->stop_rf_kill = 1; 4371 priv->stop_hang_check = 1; 4372 cancel_delayed_work(&priv->reset_work); 4373 cancel_delayed_work(&priv->security_work); 4374 cancel_delayed_work(&priv->wx_event_work); 4375 cancel_delayed_work(&priv->hang_check); 4376 cancel_delayed_work(&priv->rf_kill); 4377 destroy_workqueue(priv->workqueue); 4378 priv->workqueue = NULL; 4379 } 4380} 4381 4382static int ipw2100_tx_allocate(struct ipw2100_priv *priv) 4383{ 4384 int i, j, err = -EINVAL; 4385 void *v; 4386 dma_addr_t p; 4387 4388 IPW_DEBUG_INFO("enter\n"); 4389 4390 err = bd_queue_allocate(priv, &priv->tx_queue, TX_QUEUE_LENGTH); 4391 if (err) { 4392 IPW_DEBUG_ERROR("%s: failed bd_queue_allocate\n", 4393 priv->net_dev->name); 4394 return err; 4395 } 4396 4397 priv->tx_buffers = 4398 (struct ipw2100_tx_packet *)kmalloc(TX_PENDED_QUEUE_LENGTH * 4399 sizeof(struct 4400 ipw2100_tx_packet), 4401 GFP_ATOMIC); 4402 if (!priv->tx_buffers) { 4403 printk(KERN_ERR DRV_NAME 4404 ": %s: alloc failed form tx buffers.\n", 4405 priv->net_dev->name); 4406 bd_queue_free(priv, &priv->tx_queue); 4407 return -ENOMEM; 4408 } 4409 4410 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) { 4411 v = pci_alloc_consistent(priv->pci_dev, 4412 sizeof(struct ipw2100_data_header), 4413 &p); 4414 if (!v) { 4415 printk(KERN_ERR DRV_NAME 4416 ": %s: PCI alloc failed for tx " "buffers.\n", 4417 priv->net_dev->name); 4418 err = -ENOMEM; 4419 break; 4420 } 4421 4422 priv->tx_buffers[i].type = DATA; 4423 priv->tx_buffers[i].info.d_struct.data = 4424 (struct ipw2100_data_header *)v; 4425 priv->tx_buffers[i].info.d_struct.data_phys = p; 4426 priv->tx_buffers[i].info.d_struct.txb = NULL; 4427 } 4428 4429 if (i == TX_PENDED_QUEUE_LENGTH) 4430 return 0; 4431 4432 for (j = 0; j < i; j++) { 4433 pci_free_consistent(priv->pci_dev, 4434 sizeof(struct ipw2100_data_header), 4435 priv->tx_buffers[j].info.d_struct.data, 4436 priv->tx_buffers[j].info.d_struct. 4437 data_phys); 4438 } 4439 4440 kfree(priv->tx_buffers); 4441 priv->tx_buffers = NULL; 4442 4443 return err; 4444} 4445 4446static void ipw2100_tx_initialize(struct ipw2100_priv *priv) 4447{ 4448 int i; 4449 4450 IPW_DEBUG_INFO("enter\n"); 4451 4452 /* 4453 * reinitialize packet info lists 4454 */ 4455 INIT_LIST_HEAD(&priv->fw_pend_list); 4456 INIT_STAT(&priv->fw_pend_stat); 4457 4458 /* 4459 * reinitialize lists 4460 */ 4461 INIT_LIST_HEAD(&priv->tx_pend_list); 4462 INIT_LIST_HEAD(&priv->tx_free_list); 4463 INIT_STAT(&priv->tx_pend_stat); 4464 INIT_STAT(&priv->tx_free_stat); 4465 4466 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) { 4467 /* We simply drop any SKBs that have been queued for 4468 * transmit */ 4469 if (priv->tx_buffers[i].info.d_struct.txb) { 4470 ieee80211_txb_free(priv->tx_buffers[i].info.d_struct. 4471 txb); 4472 priv->tx_buffers[i].info.d_struct.txb = NULL; 4473 } 4474 4475 list_add_tail(&priv->tx_buffers[i].list, &priv->tx_free_list); 4476 } 4477 4478 SET_STAT(&priv->tx_free_stat, i); 4479 4480 priv->tx_queue.oldest = 0; 4481 priv->tx_queue.available = priv->tx_queue.entries; 4482 priv->tx_queue.next = 0; 4483 INIT_STAT(&priv->txq_stat); 4484 SET_STAT(&priv->txq_stat, priv->tx_queue.available); 4485 4486 bd_queue_initialize(priv, &priv->tx_queue, 4487 IPW_MEM_HOST_SHARED_TX_QUEUE_BD_BASE, 4488 IPW_MEM_HOST_SHARED_TX_QUEUE_BD_SIZE, 4489 IPW_MEM_HOST_SHARED_TX_QUEUE_READ_INDEX, 4490 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX); 4491 4492 IPW_DEBUG_INFO("exit\n"); 4493 4494} 4495 4496static void ipw2100_tx_free(struct ipw2100_priv *priv) 4497{ 4498 int i; 4499 4500 IPW_DEBUG_INFO("enter\n"); 4501 4502 bd_queue_free(priv, &priv->tx_queue); 4503 4504 if (!priv->tx_buffers) 4505 return; 4506 4507 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) { 4508 if (priv->tx_buffers[i].info.d_struct.txb) { 4509 ieee80211_txb_free(priv->tx_buffers[i].info.d_struct. 4510 txb); 4511 priv->tx_buffers[i].info.d_struct.txb = NULL; 4512 } 4513 if (priv->tx_buffers[i].info.d_struct.data) 4514 pci_free_consistent(priv->pci_dev, 4515 sizeof(struct ipw2100_data_header), 4516 priv->tx_buffers[i].info.d_struct. 4517 data, 4518 priv->tx_buffers[i].info.d_struct. 4519 data_phys); 4520 } 4521 4522 kfree(priv->tx_buffers); 4523 priv->tx_buffers = NULL; 4524 4525 IPW_DEBUG_INFO("exit\n"); 4526} 4527 4528static int ipw2100_rx_allocate(struct ipw2100_priv *priv) 4529{ 4530 int i, j, err = -EINVAL; 4531 4532 IPW_DEBUG_INFO("enter\n"); 4533 4534 err = bd_queue_allocate(priv, &priv->rx_queue, RX_QUEUE_LENGTH); 4535 if (err) { 4536 IPW_DEBUG_INFO("failed bd_queue_allocate\n"); 4537 return err; 4538 } 4539 4540 err = status_queue_allocate(priv, RX_QUEUE_LENGTH); 4541 if (err) { 4542 IPW_DEBUG_INFO("failed status_queue_allocate\n"); 4543 bd_queue_free(priv, &priv->rx_queue); 4544 return err; 4545 } 4546 4547 /* 4548 * allocate packets 4549 */ 4550 priv->rx_buffers = (struct ipw2100_rx_packet *) 4551 kmalloc(RX_QUEUE_LENGTH * sizeof(struct ipw2100_rx_packet), 4552 GFP_KERNEL); 4553 if (!priv->rx_buffers) { 4554 IPW_DEBUG_INFO("can't allocate rx packet buffer table\n"); 4555 4556 bd_queue_free(priv, &priv->rx_queue); 4557 4558 status_queue_free(priv); 4559 4560 return -ENOMEM; 4561 } 4562 4563 for (i = 0; i < RX_QUEUE_LENGTH; i++) { 4564 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i]; 4565 4566 err = ipw2100_alloc_skb(priv, packet); 4567 if (unlikely(err)) { 4568 err = -ENOMEM; 4569 break; 4570 } 4571 4572 /* The BD holds the cache aligned address */ 4573 priv->rx_queue.drv[i].host_addr = packet->dma_addr; 4574 priv->rx_queue.drv[i].buf_length = IPW_RX_NIC_BUFFER_LENGTH; 4575 priv->status_queue.drv[i].status_fields = 0; 4576 } 4577 4578 if (i == RX_QUEUE_LENGTH) 4579 return 0; 4580 4581 for (j = 0; j < i; j++) { 4582 pci_unmap_single(priv->pci_dev, priv->rx_buffers[j].dma_addr, 4583 sizeof(struct ipw2100_rx_packet), 4584 PCI_DMA_FROMDEVICE); 4585 dev_kfree_skb(priv->rx_buffers[j].skb); 4586 } 4587 4588 kfree(priv->rx_buffers); 4589 priv->rx_buffers = NULL; 4590 4591 bd_queue_free(priv, &priv->rx_queue); 4592 4593 status_queue_free(priv); 4594 4595 return err; 4596} 4597 4598static void ipw2100_rx_initialize(struct ipw2100_priv *priv) 4599{ 4600 IPW_DEBUG_INFO("enter\n"); 4601 4602 priv->rx_queue.oldest = 0; 4603 priv->rx_queue.available = priv->rx_queue.entries - 1; 4604 priv->rx_queue.next = priv->rx_queue.entries - 1; 4605 4606 INIT_STAT(&priv->rxq_stat); 4607 SET_STAT(&priv->rxq_stat, priv->rx_queue.available); 4608 4609 bd_queue_initialize(priv, &priv->rx_queue, 4610 IPW_MEM_HOST_SHARED_RX_BD_BASE, 4611 IPW_MEM_HOST_SHARED_RX_BD_SIZE, 4612 IPW_MEM_HOST_SHARED_RX_READ_INDEX, 4613 IPW_MEM_HOST_SHARED_RX_WRITE_INDEX); 4614 4615 /* set up the status queue */ 4616 write_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_STATUS_BASE, 4617 priv->status_queue.nic); 4618 4619 IPW_DEBUG_INFO("exit\n"); 4620} 4621 4622static void ipw2100_rx_free(struct ipw2100_priv *priv) 4623{ 4624 int i; 4625 4626 IPW_DEBUG_INFO("enter\n"); 4627 4628 bd_queue_free(priv, &priv->rx_queue); 4629 status_queue_free(priv); 4630 4631 if (!priv->rx_buffers) 4632 return; 4633 4634 for (i = 0; i < RX_QUEUE_LENGTH; i++) { 4635 if (priv->rx_buffers[i].rxp) { 4636 pci_unmap_single(priv->pci_dev, 4637 priv->rx_buffers[i].dma_addr, 4638 sizeof(struct ipw2100_rx), 4639 PCI_DMA_FROMDEVICE); 4640 dev_kfree_skb(priv->rx_buffers[i].skb); 4641 } 4642 } 4643 4644 kfree(priv->rx_buffers); 4645 priv->rx_buffers = NULL; 4646 4647 IPW_DEBUG_INFO("exit\n"); 4648} 4649 4650static int ipw2100_read_mac_address(struct ipw2100_priv *priv) 4651{ 4652 u32 length = ETH_ALEN; 4653 u8 mac[ETH_ALEN]; 4654 4655 int err; 4656 4657 err = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ADAPTER_MAC, mac, &length); 4658 if (err) { 4659 IPW_DEBUG_INFO("MAC address read failed\n"); 4660 return -EIO; 4661 } 4662 IPW_DEBUG_INFO("card MAC is %02X:%02X:%02X:%02X:%02X:%02X\n", 4663 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); 4664 4665 memcpy(priv->net_dev->dev_addr, mac, ETH_ALEN); 4666 4667 return 0; 4668} 4669 4670/******************************************************************** 4671 * 4672 * Firmware Commands 4673 * 4674 ********************************************************************/ 4675 4676static int ipw2100_set_mac_address(struct ipw2100_priv *priv, int batch_mode) 4677{ 4678 struct host_command cmd = { 4679 .host_command = ADAPTER_ADDRESS, 4680 .host_command_sequence = 0, 4681 .host_command_length = ETH_ALEN 4682 }; 4683 int err; 4684 4685 IPW_DEBUG_HC("SET_MAC_ADDRESS\n"); 4686 4687 IPW_DEBUG_INFO("enter\n"); 4688 4689 if (priv->config & CFG_CUSTOM_MAC) { 4690 memcpy(cmd.host_command_parameters, priv->mac_addr, ETH_ALEN); 4691 memcpy(priv->net_dev->dev_addr, priv->mac_addr, ETH_ALEN); 4692 } else 4693 memcpy(cmd.host_command_parameters, priv->net_dev->dev_addr, 4694 ETH_ALEN); 4695 4696 err = ipw2100_hw_send_command(priv, &cmd); 4697 4698 IPW_DEBUG_INFO("exit\n"); 4699 return err; 4700} 4701 4702static int ipw2100_set_port_type(struct ipw2100_priv *priv, u32 port_type, 4703 int batch_mode) 4704{ 4705 struct host_command cmd = { 4706 .host_command = PORT_TYPE, 4707 .host_command_sequence = 0, 4708 .host_command_length = sizeof(u32) 4709 }; 4710 int err; 4711 4712 switch (port_type) { 4713 case IW_MODE_INFRA: 4714 cmd.host_command_parameters[0] = IPW_BSS; 4715 break; 4716 case IW_MODE_ADHOC: 4717 cmd.host_command_parameters[0] = IPW_IBSS; 4718 break; 4719 } 4720 4721 IPW_DEBUG_HC("PORT_TYPE: %s\n", 4722 port_type == IPW_IBSS ? "Ad-Hoc" : "Managed"); 4723 4724 if (!batch_mode) { 4725 err = ipw2100_disable_adapter(priv); 4726 if (err) { 4727 printk(KERN_ERR DRV_NAME 4728 ": %s: Could not disable adapter %d\n", 4729 priv->net_dev->name, err); 4730 return err; 4731 } 4732 } 4733 4734 /* send cmd to firmware */ 4735 err = ipw2100_hw_send_command(priv, &cmd); 4736 4737 if (!batch_mode) 4738 ipw2100_enable_adapter(priv); 4739 4740 return err; 4741} 4742 4743static int ipw2100_set_channel(struct ipw2100_priv *priv, u32 channel, 4744 int batch_mode) 4745{ 4746 struct host_command cmd = { 4747 .host_command = CHANNEL, 4748 .host_command_sequence = 0, 4749 .host_command_length = sizeof(u32) 4750 }; 4751 int err; 4752 4753 cmd.host_command_parameters[0] = channel; 4754 4755 IPW_DEBUG_HC("CHANNEL: %d\n", channel); 4756 4757 /* If BSS then we don't support channel selection */ 4758 if (priv->ieee->iw_mode == IW_MODE_INFRA) 4759 return 0; 4760 4761 if ((channel != 0) && 4762 ((channel < REG_MIN_CHANNEL) || (channel > REG_MAX_CHANNEL))) 4763 return -EINVAL; 4764 4765 if (!batch_mode) { 4766 err = ipw2100_disable_adapter(priv); 4767 if (err) 4768 return err; 4769 } 4770 4771 err = ipw2100_hw_send_command(priv, &cmd); 4772 if (err) { 4773 IPW_DEBUG_INFO("Failed to set channel to %d", channel); 4774 return err; 4775 } 4776 4777 if (channel) 4778 priv->config |= CFG_STATIC_CHANNEL; 4779 else 4780 priv->config &= ~CFG_STATIC_CHANNEL; 4781 4782 priv->channel = channel; 4783 4784 if (!batch_mode) { 4785 err = ipw2100_enable_adapter(priv); 4786 if (err) 4787 return err; 4788 } 4789 4790 return 0; 4791} 4792 4793static int ipw2100_system_config(struct ipw2100_priv *priv, int batch_mode) 4794{ 4795 struct host_command cmd = { 4796 .host_command = SYSTEM_CONFIG, 4797 .host_command_sequence = 0, 4798 .host_command_length = 12, 4799 }; 4800 u32 ibss_mask, len = sizeof(u32); 4801 int err; 4802 4803 /* Set system configuration */ 4804 4805 if (!batch_mode) { 4806 err = ipw2100_disable_adapter(priv); 4807 if (err) 4808 return err; 4809 } 4810 4811 if (priv->ieee->iw_mode == IW_MODE_ADHOC) 4812 cmd.host_command_parameters[0] |= IPW_CFG_IBSS_AUTO_START; 4813 4814 cmd.host_command_parameters[0] |= IPW_CFG_IBSS_MASK | 4815 IPW_CFG_BSS_MASK | IPW_CFG_802_1x_ENABLE; 4816 4817 if (!(priv->config & CFG_LONG_PREAMBLE)) 4818 cmd.host_command_parameters[0] |= IPW_CFG_PREAMBLE_AUTO; 4819 4820 err = ipw2100_get_ordinal(priv, 4821 IPW_ORD_EEPROM_IBSS_11B_CHANNELS, 4822 &ibss_mask, &len); 4823 if (err) 4824 ibss_mask = IPW_IBSS_11B_DEFAULT_MASK; 4825 4826 cmd.host_command_parameters[1] = REG_CHANNEL_MASK; 4827 cmd.host_command_parameters[2] = REG_CHANNEL_MASK & ibss_mask; 4828 4829 /* 11b only */ 4830 /*cmd.host_command_parameters[0] |= DIVERSITY_ANTENNA_A; */ 4831 4832 err = ipw2100_hw_send_command(priv, &cmd); 4833 if (err) 4834 return err; 4835 4836/* If IPv6 is configured in the kernel then we don't want to filter out all 4837 * of the multicast packets as IPv6 needs some. */ 4838#if !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE) 4839 cmd.host_command = ADD_MULTICAST; 4840 cmd.host_command_sequence = 0; 4841 cmd.host_command_length = 0; 4842 4843 ipw2100_hw_send_command(priv, &cmd); 4844#endif 4845 if (!batch_mode) { 4846 err = ipw2100_enable_adapter(priv); 4847 if (err) 4848 return err; 4849 } 4850 4851 return 0; 4852} 4853 4854static int ipw2100_set_tx_rates(struct ipw2100_priv *priv, u32 rate, 4855 int batch_mode) 4856{ 4857 struct host_command cmd = { 4858 .host_command = BASIC_TX_RATES, 4859 .host_command_sequence = 0, 4860 .host_command_length = 4 4861 }; 4862 int err; 4863 4864 cmd.host_command_parameters[0] = rate & TX_RATE_MASK; 4865 4866 if (!batch_mode) { 4867 err = ipw2100_disable_adapter(priv); 4868 if (err) 4869 return err; 4870 } 4871 4872 /* Set BASIC TX Rate first */ 4873 ipw2100_hw_send_command(priv, &cmd); 4874 4875 /* Set TX Rate */ 4876 cmd.host_command = TX_RATES; 4877 ipw2100_hw_send_command(priv, &cmd); 4878 4879 /* Set MSDU TX Rate */ 4880 cmd.host_command = MSDU_TX_RATES; 4881 ipw2100_hw_send_command(priv, &cmd); 4882 4883 if (!batch_mode) { 4884 err = ipw2100_enable_adapter(priv); 4885 if (err) 4886 return err; 4887 } 4888 4889 priv->tx_rates = rate; 4890 4891 return 0; 4892} 4893 4894static int ipw2100_set_power_mode(struct ipw2100_priv *priv, int power_level) 4895{ 4896 struct host_command cmd = { 4897 .host_command = POWER_MODE, 4898 .host_command_sequence = 0, 4899 .host_command_length = 4 4900 }; 4901 int err; 4902 4903 cmd.host_command_parameters[0] = power_level; 4904 4905 err = ipw2100_hw_send_command(priv, &cmd); 4906 if (err) 4907 return err; 4908 4909 if (power_level == IPW_POWER_MODE_CAM) 4910 priv->power_mode = IPW_POWER_LEVEL(priv->power_mode); 4911 else 4912 priv->power_mode = IPW_POWER_ENABLED | power_level; 4913 4914#ifdef IPW2100_TX_POWER 4915 if (priv->port_type == IBSS && priv->adhoc_power != DFTL_IBSS_TX_POWER) { 4916 /* Set beacon interval */ 4917 cmd.host_command = TX_POWER_INDEX; 4918 cmd.host_command_parameters[0] = (u32) priv->adhoc_power; 4919 4920 err = ipw2100_hw_send_command(priv, &cmd); 4921 if (err) 4922 return err; 4923 } 4924#endif 4925 4926 return 0; 4927} 4928 4929static int ipw2100_set_rts_threshold(struct ipw2100_priv *priv, u32 threshold) 4930{ 4931 struct host_command cmd = { 4932 .host_command = RTS_THRESHOLD, 4933 .host_command_sequence = 0, 4934 .host_command_length = 4 4935 }; 4936 int err; 4937 4938 if (threshold & RTS_DISABLED) 4939 cmd.host_command_parameters[0] = MAX_RTS_THRESHOLD; 4940 else 4941 cmd.host_command_parameters[0] = threshold & ~RTS_DISABLED; 4942 4943 err = ipw2100_hw_send_command(priv, &cmd); 4944 if (err) 4945 return err; 4946 4947 priv->rts_threshold = threshold; 4948 4949 return 0; 4950} 4951 4952 4953static int ipw2100_set_short_retry(struct ipw2100_priv *priv, u32 retry) 4954{ 4955 struct host_command cmd = { 4956 .host_command = SHORT_RETRY_LIMIT, 4957 .host_command_sequence = 0, 4958 .host_command_length = 4 4959 }; 4960 int err; 4961 4962 cmd.host_command_parameters[0] = retry; 4963 4964 err = ipw2100_hw_send_command(priv, &cmd); 4965 if (err) 4966 return err; 4967 4968 priv->short_retry_limit = retry; 4969 4970 return 0; 4971} 4972 4973static int ipw2100_set_long_retry(struct ipw2100_priv *priv, u32 retry) 4974{ 4975 struct host_command cmd = { 4976 .host_command = LONG_RETRY_LIMIT, 4977 .host_command_sequence = 0, 4978 .host_command_length = 4 4979 }; 4980 int err; 4981 4982 cmd.host_command_parameters[0] = retry; 4983 4984 err = ipw2100_hw_send_command(priv, &cmd); 4985 if (err) 4986 return err; 4987 4988 priv->long_retry_limit = retry; 4989 4990 return 0; 4991} 4992 4993static int ipw2100_set_mandatory_bssid(struct ipw2100_priv *priv, u8 * bssid, 4994 int batch_mode) 4995{ 4996 struct host_command cmd = { 4997 .host_command = MANDATORY_BSSID, 4998 .host_command_sequence = 0, 4999 .host_command_length = (bssid == NULL) ? 0 : ETH_ALEN 5000 }; 5001 int err; 5002 5003#ifdef CONFIG_IPW2100_DEBUG 5004 if (bssid != NULL) 5005 IPW_DEBUG_HC("MANDATORY_BSSID: %02X:%02X:%02X:%02X:%02X:%02X\n", 5006 bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], 5007 bssid[5]); 5008 else 5009 IPW_DEBUG_HC("MANDATORY_BSSID: <clear>\n"); 5010#endif 5011 /* if BSSID is empty then we disable mandatory bssid mode */ 5012 if (bssid != NULL) 5013 memcpy(cmd.host_command_parameters, bssid, ETH_ALEN); 5014 5015 if (!batch_mode) { 5016 err = ipw2100_disable_adapter(priv); 5017 if (err) 5018 return err; 5019 } 5020 5021 err = ipw2100_hw_send_command(priv, &cmd); 5022 5023 if (!batch_mode) 5024 ipw2100_enable_adapter(priv); 5025 5026 return err; 5027} 5028 5029static int ipw2100_disassociate_bssid(struct ipw2100_priv *priv) 5030{ 5031 struct host_command cmd = { 5032 .host_command = DISASSOCIATION_BSSID, 5033 .host_command_sequence = 0, 5034 .host_command_length = ETH_ALEN 5035 }; 5036 int err; 5037 int len; 5038 5039 IPW_DEBUG_HC("DISASSOCIATION_BSSID\n"); 5040 5041 len = ETH_ALEN; 5042 /* The Firmware currently ignores the BSSID and just disassociates from 5043 * the currently associated AP -- but in the off chance that a future 5044 * firmware does use the BSSID provided here, we go ahead and try and 5045 * set it to the currently associated AP's BSSID */ 5046 memcpy(cmd.host_command_parameters, priv->bssid, ETH_ALEN); 5047 5048 err = ipw2100_hw_send_command(priv, &cmd); 5049 5050 return err; 5051} 5052 5053static int ipw2100_set_wpa_ie(struct ipw2100_priv *, 5054 struct ipw2100_wpa_assoc_frame *, int) 5055 __attribute__ ((unused)); 5056 5057static int ipw2100_set_wpa_ie(struct ipw2100_priv *priv, 5058 struct ipw2100_wpa_assoc_frame *wpa_frame, 5059 int batch_mode) 5060{ 5061 struct host_command cmd = { 5062 .host_command = SET_WPA_IE, 5063 .host_command_sequence = 0, 5064 .host_command_length = sizeof(struct ipw2100_wpa_assoc_frame), 5065 }; 5066 int err; 5067 5068 IPW_DEBUG_HC("SET_WPA_IE\n"); 5069 5070 if (!batch_mode) { 5071 err = ipw2100_disable_adapter(priv); 5072 if (err) 5073 return err; 5074 } 5075 5076 memcpy(cmd.host_command_parameters, wpa_frame, 5077 sizeof(struct ipw2100_wpa_assoc_frame)); 5078 5079 err = ipw2100_hw_send_command(priv, &cmd); 5080 5081 if (!batch_mode) { 5082 if (ipw2100_enable_adapter(priv)) 5083 err = -EIO; 5084 } 5085 5086 return err; 5087} 5088 5089struct security_info_params { 5090 u32 allowed_ciphers; 5091 u16 version; 5092 u8 auth_mode; 5093 u8 replay_counters_number; 5094 u8 unicast_using_group; 5095} __attribute__ ((packed)); 5096 5097static int ipw2100_set_security_information(struct ipw2100_priv *priv, 5098 int auth_mode, 5099 int security_level, 5100 int unicast_using_group, 5101 int batch_mode) 5102{ 5103 struct host_command cmd = { 5104 .host_command = SET_SECURITY_INFORMATION, 5105 .host_command_sequence = 0, 5106 .host_command_length = sizeof(struct security_info_params) 5107 }; 5108 struct security_info_params *security = 5109 (struct security_info_params *)&cmd.host_command_parameters; 5110 int err; 5111 memset(security, 0, sizeof(*security)); 5112 5113 /* If shared key AP authentication is turned on, then we need to 5114 * configure the firmware to try and use it. 5115 * 5116 * Actual data encryption/decryption is handled by the host. */ 5117 security->auth_mode = auth_mode; 5118 security->unicast_using_group = unicast_using_group; 5119 5120 switch (security_level) { 5121 default: 5122 case SEC_LEVEL_0: 5123 security->allowed_ciphers = IPW_NONE_CIPHER; 5124 break; 5125 case SEC_LEVEL_1: 5126 security->allowed_ciphers = IPW_WEP40_CIPHER | 5127 IPW_WEP104_CIPHER; 5128 break; 5129 case SEC_LEVEL_2: 5130 security->allowed_ciphers = IPW_WEP40_CIPHER | 5131 IPW_WEP104_CIPHER | IPW_TKIP_CIPHER; 5132 break; 5133 case SEC_LEVEL_2_CKIP: 5134 security->allowed_ciphers = IPW_WEP40_CIPHER | 5135 IPW_WEP104_CIPHER | IPW_CKIP_CIPHER; 5136 break; 5137 case SEC_LEVEL_3: 5138 security->allowed_ciphers = IPW_WEP40_CIPHER | 5139 IPW_WEP104_CIPHER | IPW_TKIP_CIPHER | IPW_CCMP_CIPHER; 5140 break; 5141 } 5142 5143 IPW_DEBUG_HC 5144 ("SET_SECURITY_INFORMATION: auth:%d cipher:0x%02X (level %d)\n", 5145 security->auth_mode, security->allowed_ciphers, security_level); 5146 5147 security->replay_counters_number = 0; 5148 5149 if (!batch_mode) { 5150 err = ipw2100_disable_adapter(priv); 5151 if (err) 5152 return err; 5153 } 5154 5155 err = ipw2100_hw_send_command(priv, &cmd); 5156 5157 if (!batch_mode) 5158 ipw2100_enable_adapter(priv); 5159 5160 return err; 5161} 5162 5163static int ipw2100_set_tx_power(struct ipw2100_priv *priv, u32 tx_power) 5164{ 5165 struct host_command cmd = { 5166 .host_command = TX_POWER_INDEX, 5167 .host_command_sequence = 0, 5168 .host_command_length = 4 5169 }; 5170 int err = 0; 5171 u32 tmp = tx_power; 5172 5173 if (tx_power != IPW_TX_POWER_DEFAULT) 5174 tmp = (tx_power - IPW_TX_POWER_MIN_DBM) * 16 / 5175 (IPW_TX_POWER_MAX_DBM - IPW_TX_POWER_MIN_DBM); 5176 5177 cmd.host_command_parameters[0] = tmp; 5178 5179 if (priv->ieee->iw_mode == IW_MODE_ADHOC) 5180 err = ipw2100_hw_send_command(priv, &cmd); 5181 if (!err) 5182 priv->tx_power = tx_power; 5183 5184 return 0; 5185} 5186 5187static int ipw2100_set_ibss_beacon_interval(struct ipw2100_priv *priv, 5188 u32 interval, int batch_mode) 5189{ 5190 struct host_command cmd = { 5191 .host_command = BEACON_INTERVAL, 5192 .host_command_sequence = 0, 5193 .host_command_length = 4 5194 }; 5195 int err; 5196 5197 cmd.host_command_parameters[0] = interval; 5198 5199 IPW_DEBUG_INFO("enter\n"); 5200 5201 if (priv->ieee->iw_mode == IW_MODE_ADHOC) { 5202 if (!batch_mode) { 5203 err = ipw2100_disable_adapter(priv); 5204 if (err) 5205 return err; 5206 } 5207 5208 ipw2100_hw_send_command(priv, &cmd); 5209 5210 if (!batch_mode) { 5211 err = ipw2100_enable_adapter(priv); 5212 if (err) 5213 return err; 5214 } 5215 } 5216 5217 IPW_DEBUG_INFO("exit\n"); 5218 5219 return 0; 5220} 5221 5222void ipw2100_queues_initialize(struct ipw2100_priv *priv) 5223{ 5224 ipw2100_tx_initialize(priv); 5225 ipw2100_rx_initialize(priv); 5226 ipw2100_msg_initialize(priv); 5227} 5228 5229void ipw2100_queues_free(struct ipw2100_priv *priv) 5230{ 5231 ipw2100_tx_free(priv); 5232 ipw2100_rx_free(priv); 5233 ipw2100_msg_free(priv); 5234} 5235 5236int ipw2100_queues_allocate(struct ipw2100_priv *priv) 5237{ 5238 if (ipw2100_tx_allocate(priv) || 5239 ipw2100_rx_allocate(priv) || ipw2100_msg_allocate(priv)) 5240 goto fail; 5241 5242 return 0; 5243 5244 fail: 5245 ipw2100_tx_free(priv); 5246 ipw2100_rx_free(priv); 5247 ipw2100_msg_free(priv); 5248 return -ENOMEM; 5249} 5250 5251#define IPW_PRIVACY_CAPABLE 0x0008 5252 5253static int ipw2100_set_wep_flags(struct ipw2100_priv *priv, u32 flags, 5254 int batch_mode) 5255{ 5256 struct host_command cmd = { 5257 .host_command = WEP_FLAGS, 5258 .host_command_sequence = 0, 5259 .host_command_length = 4 5260 }; 5261 int err; 5262 5263 cmd.host_command_parameters[0] = flags; 5264 5265 IPW_DEBUG_HC("WEP_FLAGS: flags = 0x%08X\n", flags); 5266 5267 if (!batch_mode) { 5268 err = ipw2100_disable_adapter(priv); 5269 if (err) { 5270 printk(KERN_ERR DRV_NAME 5271 ": %s: Could not disable adapter %d\n", 5272 priv->net_dev->name, err); 5273 return err; 5274 } 5275 } 5276 5277 /* send cmd to firmware */ 5278 err = ipw2100_hw_send_command(priv, &cmd); 5279 5280 if (!batch_mode) 5281 ipw2100_enable_adapter(priv); 5282 5283 return err; 5284} 5285 5286struct ipw2100_wep_key { 5287 u8 idx; 5288 u8 len; 5289 u8 key[13]; 5290}; 5291 5292/* Macros to ease up priting WEP keys */ 5293#define WEP_FMT_64 "%02X%02X%02X%02X-%02X" 5294#define WEP_FMT_128 "%02X%02X%02X%02X-%02X%02X%02X%02X-%02X%02X%02X" 5295#define WEP_STR_64(x) x[0],x[1],x[2],x[3],x[4] 5296#define WEP_STR_128(x) x[0],x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10] 5297 5298static int ipw2100_set_key(struct ipw2100_priv *priv, 5299 int idx, char *key, int len, int batch_mode) 5300{ 5301 int keylen = len ? (len <= 5 ? 5 : 13) : 0; 5302 struct host_command cmd = { 5303 .host_command = WEP_KEY_INFO, 5304 .host_command_sequence = 0, 5305 .host_command_length = sizeof(struct ipw2100_wep_key), 5306 }; 5307 struct ipw2100_wep_key *wep_key = (void *)cmd.host_command_parameters; 5308 int err; 5309 5310 IPW_DEBUG_HC("WEP_KEY_INFO: index = %d, len = %d/%d\n", 5311 idx, keylen, len); 5312 5313 /* NOTE: We don't check cached values in case the firmware was reset 5314 * or some other problem is occurring. If the user is setting the key, 5315 * then we push the change */ 5316 5317 wep_key->idx = idx; 5318 wep_key->len = keylen; 5319 5320 if (keylen) { 5321 memcpy(wep_key->key, key, len); 5322 memset(wep_key->key + len, 0, keylen - len); 5323 } 5324 5325 /* Will be optimized out on debug not being configured in */ 5326 if (keylen == 0) 5327 IPW_DEBUG_WEP("%s: Clearing key %d\n", 5328 priv->net_dev->name, wep_key->idx); 5329 else if (keylen == 5) 5330 IPW_DEBUG_WEP("%s: idx: %d, len: %d key: " WEP_FMT_64 "\n", 5331 priv->net_dev->name, wep_key->idx, wep_key->len, 5332 WEP_STR_64(wep_key->key)); 5333 else 5334 IPW_DEBUG_WEP("%s: idx: %d, len: %d key: " WEP_FMT_128 5335 "\n", 5336 priv->net_dev->name, wep_key->idx, wep_key->len, 5337 WEP_STR_128(wep_key->key)); 5338 5339 if (!batch_mode) { 5340 err = ipw2100_disable_adapter(priv); 5341 if (err) { 5342 printk(KERN_ERR DRV_NAME 5343 ": %s: Could not disable adapter %d\n", 5344 priv->net_dev->name, err); 5345 return err; 5346 } 5347 } 5348 5349 /* send cmd to firmware */ 5350 err = ipw2100_hw_send_command(priv, &cmd); 5351 5352 if (!batch_mode) { 5353 int err2 = ipw2100_enable_adapter(priv); 5354 if (err == 0) 5355 err = err2; 5356 } 5357 return err; 5358} 5359 5360static int ipw2100_set_key_index(struct ipw2100_priv *priv, 5361 int idx, int batch_mode) 5362{ 5363 struct host_command cmd = { 5364 .host_command = WEP_KEY_INDEX, 5365 .host_command_sequence = 0, 5366 .host_command_length = 4, 5367 .host_command_parameters = {idx}, 5368 }; 5369 int err; 5370 5371 IPW_DEBUG_HC("WEP_KEY_INDEX: index = %d\n", idx); 5372 5373 if (idx < 0 || idx > 3) 5374 return -EINVAL; 5375 5376 if (!batch_mode) { 5377 err = ipw2100_disable_adapter(priv); 5378 if (err) { 5379 printk(KERN_ERR DRV_NAME 5380 ": %s: Could not disable adapter %d\n", 5381 priv->net_dev->name, err); 5382 return err; 5383 } 5384 } 5385 5386 /* send cmd to firmware */ 5387 err = ipw2100_hw_send_command(priv, &cmd); 5388 5389 if (!batch_mode) 5390 ipw2100_enable_adapter(priv); 5391 5392 return err; 5393} 5394 5395static int ipw2100_configure_security(struct ipw2100_priv *priv, int batch_mode) 5396{ 5397 int i, err, auth_mode, sec_level, use_group; 5398 5399 if (!(priv->status & STATUS_RUNNING)) 5400 return 0; 5401 5402 if (!batch_mode) { 5403 err = ipw2100_disable_adapter(priv); 5404 if (err) 5405 return err; 5406 } 5407 5408 if (!priv->ieee->sec.enabled) { 5409 err = 5410 ipw2100_set_security_information(priv, IPW_AUTH_OPEN, 5411 SEC_LEVEL_0, 0, 1); 5412 } else { 5413 auth_mode = IPW_AUTH_OPEN; 5414 if (priv->ieee->sec.flags & SEC_AUTH_MODE) { 5415 if (priv->ieee->sec.auth_mode == WLAN_AUTH_SHARED_KEY) 5416 auth_mode = IPW_AUTH_SHARED; 5417 else if (priv->ieee->sec.auth_mode == WLAN_AUTH_LEAP) 5418 auth_mode = IPW_AUTH_LEAP_CISCO_ID; 5419 } 5420 5421 sec_level = SEC_LEVEL_0; 5422 if (priv->ieee->sec.flags & SEC_LEVEL) 5423 sec_level = priv->ieee->sec.level; 5424 5425 use_group = 0; 5426 if (priv->ieee->sec.flags & SEC_UNICAST_GROUP) 5427 use_group = priv->ieee->sec.unicast_uses_group; 5428 5429 err = 5430 ipw2100_set_security_information(priv, auth_mode, sec_level, 5431 use_group, 1); 5432 } 5433 5434 if (err) 5435 goto exit; 5436 5437 if (priv->ieee->sec.enabled) { 5438 for (i = 0; i < 4; i++) { 5439 if (!(priv->ieee->sec.flags & (1 << i))) { 5440 memset(priv->ieee->sec.keys[i], 0, WEP_KEY_LEN); 5441 priv->ieee->sec.key_sizes[i] = 0; 5442 } else { 5443 err = ipw2100_set_key(priv, i, 5444 priv->ieee->sec.keys[i], 5445 priv->ieee->sec. 5446 key_sizes[i], 1); 5447 if (err) 5448 goto exit; 5449 } 5450 } 5451 5452 ipw2100_set_key_index(priv, priv->ieee->tx_keyidx, 1); 5453 } 5454 5455 /* Always enable privacy so the Host can filter WEP packets if 5456 * encrypted data is sent up */ 5457 err = 5458 ipw2100_set_wep_flags(priv, 5459 priv->ieee->sec. 5460 enabled ? IPW_PRIVACY_CAPABLE : 0, 1); 5461 if (err) 5462 goto exit; 5463 5464 priv->status &= ~STATUS_SECURITY_UPDATED; 5465 5466 exit: 5467 if (!batch_mode) 5468 ipw2100_enable_adapter(priv); 5469 5470 return err; 5471} 5472 5473static void ipw2100_security_work(struct work_struct *work) 5474{ 5475 struct ipw2100_priv *priv = 5476 container_of(work, struct ipw2100_priv, security_work.work); 5477 5478 /* If we happen to have reconnected before we get a chance to 5479 * process this, then update the security settings--which causes 5480 * a disassociation to occur */ 5481 if (!(priv->status & STATUS_ASSOCIATED) && 5482 priv->status & STATUS_SECURITY_UPDATED) 5483 ipw2100_configure_security(priv, 0); 5484} 5485 5486static void shim__set_security(struct net_device *dev, 5487 struct ieee80211_security *sec) 5488{ 5489 struct ipw2100_priv *priv = ieee80211_priv(dev); 5490 int i, force_update = 0; 5491 5492 mutex_lock(&priv->action_mutex); 5493 if (!(priv->status & STATUS_INITIALIZED)) 5494 goto done; 5495 5496 for (i = 0; i < 4; i++) { 5497 if (sec->flags & (1 << i)) { 5498 priv->ieee->sec.key_sizes[i] = sec->key_sizes[i]; 5499 if (sec->key_sizes[i] == 0) 5500 priv->ieee->sec.flags &= ~(1 << i); 5501 else 5502 memcpy(priv->ieee->sec.keys[i], sec->keys[i], 5503 sec->key_sizes[i]); 5504 if (sec->level == SEC_LEVEL_1) { 5505 priv->ieee->sec.flags |= (1 << i); 5506 priv->status |= STATUS_SECURITY_UPDATED; 5507 } else 5508 priv->ieee->sec.flags &= ~(1 << i); 5509 } 5510 } 5511 5512 if ((sec->flags & SEC_ACTIVE_KEY) && 5513 priv->ieee->sec.active_key != sec->active_key) { 5514 if (sec->active_key <= 3) { 5515 priv->ieee->sec.active_key = sec->active_key; 5516 priv->ieee->sec.flags |= SEC_ACTIVE_KEY; 5517 } else 5518 priv->ieee->sec.flags &= ~SEC_ACTIVE_KEY; 5519 5520 priv->status |= STATUS_SECURITY_UPDATED; 5521 } 5522 5523 if ((sec->flags & SEC_AUTH_MODE) && 5524 (priv->ieee->sec.auth_mode != sec->auth_mode)) { 5525 priv->ieee->sec.auth_mode = sec->auth_mode; 5526 priv->ieee->sec.flags |= SEC_AUTH_MODE; 5527 priv->status |= STATUS_SECURITY_UPDATED; 5528 } 5529 5530 if (sec->flags & SEC_ENABLED && priv->ieee->sec.enabled != sec->enabled) { 5531 priv->ieee->sec.flags |= SEC_ENABLED; 5532 priv->ieee->sec.enabled = sec->enabled; 5533 priv->status |= STATUS_SECURITY_UPDATED; 5534 force_update = 1; 5535 } 5536 5537 if (sec->flags & SEC_ENCRYPT) 5538 priv->ieee->sec.encrypt = sec->encrypt; 5539 5540 if (sec->flags & SEC_LEVEL && priv->ieee->sec.level != sec->level) { 5541 priv->ieee->sec.level = sec->level; 5542 priv->ieee->sec.flags |= SEC_LEVEL; 5543 priv->status |= STATUS_SECURITY_UPDATED; 5544 } 5545 5546 IPW_DEBUG_WEP("Security flags: %c %c%c%c%c %c%c%c%c\n", 5547 priv->ieee->sec.flags & (1 << 8) ? '1' : '0', 5548 priv->ieee->sec.flags & (1 << 7) ? '1' : '0', 5549 priv->ieee->sec.flags & (1 << 6) ? '1' : '0', 5550 priv->ieee->sec.flags & (1 << 5) ? '1' : '0', 5551 priv->ieee->sec.flags & (1 << 4) ? '1' : '0', 5552 priv->ieee->sec.flags & (1 << 3) ? '1' : '0', 5553 priv->ieee->sec.flags & (1 << 2) ? '1' : '0', 5554 priv->ieee->sec.flags & (1 << 1) ? '1' : '0', 5555 priv->ieee->sec.flags & (1 << 0) ? '1' : '0'); 5556 5557 if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING))) 5558 ipw2100_configure_security(priv, 0); 5559 done: 5560 mutex_unlock(&priv->action_mutex); 5561} 5562 5563static int ipw2100_adapter_setup(struct ipw2100_priv *priv) 5564{ 5565 int err; 5566 int batch_mode = 1; 5567 u8 *bssid; 5568 5569 IPW_DEBUG_INFO("enter\n"); 5570 5571 err = ipw2100_disable_adapter(priv); 5572 if (err) 5573 return err; 5574#ifdef CONFIG_IPW2100_MONITOR 5575 if (priv->ieee->iw_mode == IW_MODE_MONITOR) { 5576 err = ipw2100_set_channel(priv, priv->channel, batch_mode); 5577 if (err) 5578 return err; 5579 5580 IPW_DEBUG_INFO("exit\n"); 5581 5582 return 0; 5583 } 5584#endif /* CONFIG_IPW2100_MONITOR */ 5585 5586 err = ipw2100_read_mac_address(priv); 5587 if (err) 5588 return -EIO; 5589 5590 err = ipw2100_set_mac_address(priv, batch_mode); 5591 if (err) 5592 return err; 5593 5594 err = ipw2100_set_port_type(priv, priv->ieee->iw_mode, batch_mode); 5595 if (err) 5596 return err; 5597 5598 if (priv->ieee->iw_mode == IW_MODE_ADHOC) { 5599 err = ipw2100_set_channel(priv, priv->channel, batch_mode); 5600 if (err) 5601 return err; 5602 } 5603 5604 err = ipw2100_system_config(priv, batch_mode); 5605 if (err) 5606 return err; 5607 5608 err = ipw2100_set_tx_rates(priv, priv->tx_rates, batch_mode); 5609 if (err) 5610 return err; 5611 5612 /* Default to power mode OFF */ 5613 err = ipw2100_set_power_mode(priv, IPW_POWER_MODE_CAM); 5614 if (err) 5615 return err; 5616 5617 err = ipw2100_set_rts_threshold(priv, priv->rts_threshold); 5618 if (err) 5619 return err; 5620 5621 if (priv->config & CFG_STATIC_BSSID) 5622 bssid = priv->bssid; 5623 else 5624 bssid = NULL; 5625 err = ipw2100_set_mandatory_bssid(priv, bssid, batch_mode); 5626 if (err) 5627 return err; 5628 5629 if (priv->config & CFG_STATIC_ESSID) 5630 err = ipw2100_set_essid(priv, priv->essid, priv->essid_len, 5631 batch_mode); 5632 else 5633 err = ipw2100_set_essid(priv, NULL, 0, batch_mode); 5634 if (err) 5635 return err; 5636 5637 err = ipw2100_configure_security(priv, batch_mode); 5638 if (err) 5639 return err; 5640 5641 if (priv->ieee->iw_mode == IW_MODE_ADHOC) { 5642 err = 5643 ipw2100_set_ibss_beacon_interval(priv, 5644 priv->beacon_interval, 5645 batch_mode); 5646 if (err) 5647 return err; 5648 5649 err = ipw2100_set_tx_power(priv, priv->tx_power); 5650 if (err) 5651 return err; 5652 } 5653 5654 /* 5655 err = ipw2100_set_fragmentation_threshold( 5656 priv, priv->frag_threshold, batch_mode); 5657 if (err) 5658 return err; 5659 */ 5660 5661 IPW_DEBUG_INFO("exit\n"); 5662 5663 return 0; 5664} 5665 5666/************************************************************************* 5667 * 5668 * EXTERNALLY CALLED METHODS 5669 * 5670 *************************************************************************/ 5671 5672/* This method is called by the network layer -- not to be confused with 5673 * ipw2100_set_mac_address() declared above called by this driver (and this 5674 * method as well) to talk to the firmware */ 5675static int ipw2100_set_address(struct net_device *dev, void *p) 5676{ 5677 struct ipw2100_priv *priv = ieee80211_priv(dev); 5678 struct sockaddr *addr = p; 5679 int err = 0; 5680 5681 if (!is_valid_ether_addr(addr->sa_data)) 5682 return -EADDRNOTAVAIL; 5683 5684 mutex_lock(&priv->action_mutex); 5685 5686 priv->config |= CFG_CUSTOM_MAC; 5687 memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN); 5688 5689 err = ipw2100_set_mac_address(priv, 0); 5690 if (err) 5691 goto done; 5692 5693 priv->reset_backoff = 0; 5694 mutex_unlock(&priv->action_mutex); 5695 ipw2100_reset_adapter(&priv->reset_work.work); 5696 return 0; 5697 5698 done: 5699 mutex_unlock(&priv->action_mutex); 5700 return err; 5701} 5702 5703static int ipw2100_open(struct net_device *dev) 5704{ 5705 struct ipw2100_priv *priv = ieee80211_priv(dev); 5706 unsigned long flags; 5707 IPW_DEBUG_INFO("dev->open\n"); 5708 5709 spin_lock_irqsave(&priv->low_lock, flags); 5710 if (priv->status & STATUS_ASSOCIATED) { 5711 netif_carrier_on(dev); 5712 netif_start_queue(dev); 5713 } 5714 spin_unlock_irqrestore(&priv->low_lock, flags); 5715 5716 return 0; 5717} 5718 5719static int ipw2100_close(struct net_device *dev) 5720{ 5721 struct ipw2100_priv *priv = ieee80211_priv(dev); 5722 unsigned long flags; 5723 struct list_head *element; 5724 struct ipw2100_tx_packet *packet; 5725 5726 IPW_DEBUG_INFO("enter\n"); 5727 5728 spin_lock_irqsave(&priv->low_lock, flags); 5729 5730 if (priv->status & STATUS_ASSOCIATED) 5731 netif_carrier_off(dev); 5732 netif_stop_queue(dev); 5733 5734 /* Flush the TX queue ... */ 5735 while (!list_empty(&priv->tx_pend_list)) { 5736 element = priv->tx_pend_list.next; 5737 packet = list_entry(element, struct ipw2100_tx_packet, list); 5738 5739 list_del(element); 5740 DEC_STAT(&priv->tx_pend_stat); 5741 5742 ieee80211_txb_free(packet->info.d_struct.txb); 5743 packet->info.d_struct.txb = NULL; 5744 5745 list_add_tail(element, &priv->tx_free_list); 5746 INC_STAT(&priv->tx_free_stat); 5747 } 5748 spin_unlock_irqrestore(&priv->low_lock, flags); 5749 5750 IPW_DEBUG_INFO("exit\n"); 5751 5752 return 0; 5753} 5754 5755/* 5756 * TODO: Fix this function... its just wrong 5757 */ 5758static void ipw2100_tx_timeout(struct net_device *dev) 5759{ 5760 struct ipw2100_priv *priv = ieee80211_priv(dev); 5761 5762 priv->ieee->stats.tx_errors++; 5763 5764#ifdef CONFIG_IPW2100_MONITOR 5765 if (priv->ieee->iw_mode == IW_MODE_MONITOR) 5766 return; 5767#endif 5768 5769 IPW_DEBUG_INFO("%s: TX timed out. Scheduling firmware restart.\n", 5770 dev->name); 5771 schedule_reset(priv); 5772} 5773 5774static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value) 5775{ 5776 /* This is called when wpa_supplicant loads and closes the driver 5777 * interface. */ 5778 priv->ieee->wpa_enabled = value; 5779 return 0; 5780} 5781 5782static int ipw2100_wpa_set_auth_algs(struct ipw2100_priv *priv, int value) 5783{ 5784 5785 struct ieee80211_device *ieee = priv->ieee; 5786 struct ieee80211_security sec = { 5787 .flags = SEC_AUTH_MODE, 5788 }; 5789 int ret = 0; 5790 5791 if (value & IW_AUTH_ALG_SHARED_KEY) { 5792 sec.auth_mode = WLAN_AUTH_SHARED_KEY; 5793 ieee->open_wep = 0; 5794 } else if (value & IW_AUTH_ALG_OPEN_SYSTEM) { 5795 sec.auth_mode = WLAN_AUTH_OPEN; 5796 ieee->open_wep = 1; 5797 } else if (value & IW_AUTH_ALG_LEAP) { 5798 sec.auth_mode = WLAN_AUTH_LEAP; 5799 ieee->open_wep = 1; 5800 } else 5801 return -EINVAL; 5802 5803 if (ieee->set_security) 5804 ieee->set_security(ieee->dev, &sec); 5805 else 5806 ret = -EOPNOTSUPP; 5807 5808 return ret; 5809} 5810 5811static void ipw2100_wpa_assoc_frame(struct ipw2100_priv *priv, 5812 char *wpa_ie, int wpa_ie_len) 5813{ 5814 5815 struct ipw2100_wpa_assoc_frame frame; 5816 5817 frame.fixed_ie_mask = 0; 5818 5819 /* copy WPA IE */ 5820 memcpy(frame.var_ie, wpa_ie, wpa_ie_len); 5821 frame.var_ie_len = wpa_ie_len; 5822 5823 /* make sure WPA is enabled */ 5824 ipw2100_wpa_enable(priv, 1); 5825 ipw2100_set_wpa_ie(priv, &frame, 0); 5826} 5827 5828static void ipw_ethtool_get_drvinfo(struct net_device *dev, 5829 struct ethtool_drvinfo *info) 5830{ 5831 struct ipw2100_priv *priv = ieee80211_priv(dev); 5832 char fw_ver[64], ucode_ver[64]; 5833 5834 strcpy(info->driver, DRV_NAME); 5835 strcpy(info->version, DRV_VERSION); 5836 5837 ipw2100_get_fwversion(priv, fw_ver, sizeof(fw_ver)); 5838 ipw2100_get_ucodeversion(priv, ucode_ver, sizeof(ucode_ver)); 5839 5840 snprintf(info->fw_version, sizeof(info->fw_version), "%s:%d:%s", 5841 fw_ver, priv->eeprom_version, ucode_ver); 5842 5843 strcpy(info->bus_info, pci_name(priv->pci_dev)); 5844} 5845 5846static u32 ipw2100_ethtool_get_link(struct net_device *dev) 5847{ 5848 struct ipw2100_priv *priv = ieee80211_priv(dev); 5849 return (priv->status & STATUS_ASSOCIATED) ? 1 : 0; 5850} 5851 5852static const struct ethtool_ops ipw2100_ethtool_ops = { 5853 .get_link = ipw2100_ethtool_get_link, 5854 .get_drvinfo = ipw_ethtool_get_drvinfo, 5855}; 5856 5857static void ipw2100_hang_check(struct work_struct *work) 5858{ 5859 struct ipw2100_priv *priv = 5860 container_of(work, struct ipw2100_priv, hang_check.work); 5861 unsigned long flags; 5862 u32 rtc = 0xa5a5a5a5; 5863 u32 len = sizeof(rtc); 5864 int restart = 0; 5865 5866 spin_lock_irqsave(&priv->low_lock, flags); 5867 5868 if (priv->fatal_error != 0) { 5869 /* If fatal_error is set then we need to restart */ 5870 IPW_DEBUG_INFO("%s: Hardware fatal error detected.\n", 5871 priv->net_dev->name); 5872 5873 restart = 1; 5874 } else if (ipw2100_get_ordinal(priv, IPW_ORD_RTC_TIME, &rtc, &len) || 5875 (rtc == priv->last_rtc)) { 5876 /* Check if firmware is hung */ 5877 IPW_DEBUG_INFO("%s: Firmware RTC stalled.\n", 5878 priv->net_dev->name); 5879 5880 restart = 1; 5881 } 5882 5883 if (restart) { 5884 /* Kill timer */ 5885 priv->stop_hang_check = 1; 5886 priv->hangs++; 5887 5888 /* Restart the NIC */ 5889 schedule_reset(priv); 5890 } 5891 5892 priv->last_rtc = rtc; 5893 5894 if (!priv->stop_hang_check) 5895 queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2); 5896 5897 spin_unlock_irqrestore(&priv->low_lock, flags); 5898} 5899 5900static void ipw2100_rf_kill(struct work_struct *work) 5901{ 5902 struct ipw2100_priv *priv = 5903 container_of(work, struct ipw2100_priv, rf_kill.work); 5904 unsigned long flags; 5905 5906 spin_lock_irqsave(&priv->low_lock, flags); 5907 5908 if (rf_kill_active(priv)) { 5909 IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n"); 5910 if (!priv->stop_rf_kill) 5911 queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ); 5912 goto exit_unlock; 5913 } 5914 5915 /* RF Kill is now disabled, so bring the device back up */ 5916 5917 if (!(priv->status & STATUS_RF_KILL_MASK)) { 5918 IPW_DEBUG_RF_KILL("HW RF Kill no longer active, restarting " 5919 "device\n"); 5920 schedule_reset(priv); 5921 } else 5922 IPW_DEBUG_RF_KILL("HW RF Kill deactivated. SW RF Kill still " 5923 "enabled\n"); 5924 5925 exit_unlock: 5926 spin_unlock_irqrestore(&priv->low_lock, flags); 5927} 5928 5929static void ipw2100_irq_tasklet(struct ipw2100_priv *priv); 5930 5931/* Look into using netdev destructor to shutdown ieee80211? */ 5932 5933static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev, 5934 void __iomem * base_addr, 5935 unsigned long mem_start, 5936 unsigned long mem_len) 5937{ 5938 struct ipw2100_priv *priv; 5939 struct net_device *dev; 5940 5941 dev = alloc_ieee80211(sizeof(struct ipw2100_priv)); 5942 if (!dev) 5943 return NULL; 5944 priv = ieee80211_priv(dev); 5945 priv->ieee = netdev_priv(dev); 5946 priv->pci_dev = pci_dev; 5947 priv->net_dev = dev; 5948 5949 priv->ieee->hard_start_xmit = ipw2100_tx; 5950 priv->ieee->set_security = shim__set_security; 5951 5952 priv->ieee->perfect_rssi = -20; 5953 priv->ieee->worst_rssi = -85; 5954 5955 dev->open = ipw2100_open; 5956 dev->stop = ipw2100_close; 5957 dev->init = ipw2100_net_init; 5958 dev->ethtool_ops = &ipw2100_ethtool_ops; 5959 dev->tx_timeout = ipw2100_tx_timeout; 5960 dev->wireless_handlers = &ipw2100_wx_handler_def; 5961 priv->wireless_data.ieee80211 = priv->ieee; 5962 dev->wireless_data = &priv->wireless_data; 5963 dev->set_mac_address = ipw2100_set_address; 5964 dev->watchdog_timeo = 3 * HZ; 5965 dev->irq = 0; 5966 5967 dev->base_addr = (unsigned long)base_addr; 5968 dev->mem_start = mem_start; 5969 dev->mem_end = dev->mem_start + mem_len - 1; 5970 5971 /* NOTE: We don't use the wireless_handlers hook 5972 * in dev as the system will start throwing WX requests 5973 * to us before we're actually initialized and it just 5974 * ends up causing problems. So, we just handle 5975 * the WX extensions through the ipw2100_ioctl interface */ 5976 5977 /* memset() puts everything to 0, so we only have explicitely set 5978 * those values that need to be something else */ 5979 5980 /* If power management is turned on, default to AUTO mode */ 5981 priv->power_mode = IPW_POWER_AUTO; 5982 5983#ifdef CONFIG_IPW2100_MONITOR 5984 priv->config |= CFG_CRC_CHECK; 5985#endif 5986 priv->ieee->wpa_enabled = 0; 5987 priv->ieee->drop_unencrypted = 0; 5988 priv->ieee->privacy_invoked = 0; 5989 priv->ieee->ieee802_1x = 1; 5990 5991 /* Set module parameters */ 5992 switch (mode) { 5993 case 1: 5994 priv->ieee->iw_mode = IW_MODE_ADHOC; 5995 break; 5996#ifdef CONFIG_IPW2100_MONITOR 5997 case 2: 5998 priv->ieee->iw_mode = IW_MODE_MONITOR; 5999 break; 6000#endif 6001 default: 6002 case 0: 6003 priv->ieee->iw_mode = IW_MODE_INFRA; 6004 break; 6005 } 6006 6007 if (disable == 1) 6008 priv->status |= STATUS_RF_KILL_SW; 6009 6010 if (channel != 0 && 6011 ((channel >= REG_MIN_CHANNEL) && (channel <= REG_MAX_CHANNEL))) { 6012 priv->config |= CFG_STATIC_CHANNEL; 6013 priv->channel = channel; 6014 } 6015 6016 if (associate) 6017 priv->config |= CFG_ASSOCIATE; 6018 6019 priv->beacon_interval = DEFAULT_BEACON_INTERVAL; 6020 priv->short_retry_limit = DEFAULT_SHORT_RETRY_LIMIT; 6021 priv->long_retry_limit = DEFAULT_LONG_RETRY_LIMIT; 6022 priv->rts_threshold = DEFAULT_RTS_THRESHOLD | RTS_DISABLED; 6023 priv->frag_threshold = DEFAULT_FTS | FRAG_DISABLED; 6024 priv->tx_power = IPW_TX_POWER_DEFAULT; 6025 priv->tx_rates = DEFAULT_TX_RATES; 6026 6027 strcpy(priv->nick, "ipw2100"); 6028 6029 spin_lock_init(&priv->low_lock); 6030 mutex_init(&priv->action_mutex); 6031 mutex_init(&priv->adapter_mutex); 6032 6033 init_waitqueue_head(&priv->wait_command_queue); 6034 6035 netif_carrier_off(dev); 6036 6037 INIT_LIST_HEAD(&priv->msg_free_list); 6038 INIT_LIST_HEAD(&priv->msg_pend_list); 6039 INIT_STAT(&priv->msg_free_stat); 6040 INIT_STAT(&priv->msg_pend_stat); 6041 6042 INIT_LIST_HEAD(&priv->tx_free_list); 6043 INIT_LIST_HEAD(&priv->tx_pend_list); 6044 INIT_STAT(&priv->tx_free_stat); 6045 INIT_STAT(&priv->tx_pend_stat); 6046 6047 INIT_LIST_HEAD(&priv->fw_pend_list); 6048 INIT_STAT(&priv->fw_pend_stat); 6049 6050 priv->workqueue = create_workqueue(DRV_NAME); 6051 6052 INIT_DELAYED_WORK(&priv->reset_work, ipw2100_reset_adapter); 6053 INIT_DELAYED_WORK(&priv->security_work, ipw2100_security_work); 6054 INIT_DELAYED_WORK(&priv->wx_event_work, ipw2100_wx_event_work); 6055 INIT_DELAYED_WORK(&priv->hang_check, ipw2100_hang_check); 6056 INIT_DELAYED_WORK(&priv->rf_kill, ipw2100_rf_kill); 6057 6058 tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) 6059 ipw2100_irq_tasklet, (unsigned long)priv); 6060 6061 /* NOTE: We do not start the deferred work for status checks yet */ 6062 priv->stop_rf_kill = 1; 6063 priv->stop_hang_check = 1; 6064 6065 return dev; 6066} 6067 6068static int ipw2100_pci_init_one(struct pci_dev *pci_dev, 6069 const struct pci_device_id *ent) 6070{ 6071 unsigned long mem_start, mem_len, mem_flags; 6072 void __iomem *base_addr = NULL; 6073 struct net_device *dev = NULL; 6074 struct ipw2100_priv *priv = NULL; 6075 int err = 0; 6076 int registered = 0; 6077 u32 val; 6078 6079 IPW_DEBUG_INFO("enter\n"); 6080 6081 mem_start = pci_resource_start(pci_dev, 0); 6082 mem_len = pci_resource_len(pci_dev, 0); 6083 mem_flags = pci_resource_flags(pci_dev, 0); 6084 6085 if ((mem_flags & IORESOURCE_MEM) != IORESOURCE_MEM) { 6086 IPW_DEBUG_INFO("weird - resource type is not memory\n"); 6087 err = -ENODEV; 6088 goto fail; 6089 } 6090 6091 base_addr = ioremap_nocache(mem_start, mem_len); 6092 if (!base_addr) { 6093 printk(KERN_WARNING DRV_NAME 6094 "Error calling ioremap_nocache.\n"); 6095 err = -EIO; 6096 goto fail; 6097 } 6098 6099 /* allocate and initialize our net_device */ 6100 dev = ipw2100_alloc_device(pci_dev, base_addr, mem_start, mem_len); 6101 if (!dev) { 6102 printk(KERN_WARNING DRV_NAME 6103 "Error calling ipw2100_alloc_device.\n"); 6104 err = -ENOMEM; 6105 goto fail; 6106 } 6107 6108 /* set up PCI mappings for device */ 6109 err = pci_enable_device(pci_dev); 6110 if (err) { 6111 printk(KERN_WARNING DRV_NAME 6112 "Error calling pci_enable_device.\n"); 6113 return err; 6114 } 6115 6116 priv = ieee80211_priv(dev); 6117 6118 pci_set_master(pci_dev); 6119 pci_set_drvdata(pci_dev, priv); 6120 6121 err = pci_set_dma_mask(pci_dev, DMA_32BIT_MASK); 6122 if (err) { 6123 printk(KERN_WARNING DRV_NAME 6124 "Error calling pci_set_dma_mask.\n"); 6125 pci_disable_device(pci_dev); 6126 return err; 6127 } 6128 6129 err = pci_request_regions(pci_dev, DRV_NAME); 6130 if (err) { 6131 printk(KERN_WARNING DRV_NAME 6132 "Error calling pci_request_regions.\n"); 6133 pci_disable_device(pci_dev); 6134 return err; 6135 } 6136 6137 /* We disable the RETRY_TIMEOUT register (0x41) to keep 6138 * PCI Tx retries from interfering with C3 CPU state */ 6139 pci_read_config_dword(pci_dev, 0x40, &val); 6140 if ((val & 0x0000ff00) != 0) 6141 pci_write_config_dword(pci_dev, 0x40, val & 0xffff00ff); 6142 6143 pci_set_power_state(pci_dev, PCI_D0); 6144 6145 if (!ipw2100_hw_is_adapter_in_system(dev)) { 6146 printk(KERN_WARNING DRV_NAME 6147 "Device not found via register read.\n"); 6148 err = -ENODEV; 6149 goto fail; 6150 } 6151 6152 SET_NETDEV_DEV(dev, &pci_dev->dev); 6153 6154 /* Force interrupts to be shut off on the device */ 6155 priv->status |= STATUS_INT_ENABLED; 6156 ipw2100_disable_interrupts(priv); 6157 6158 /* Allocate and initialize the Tx/Rx queues and lists */ 6159 if (ipw2100_queues_allocate(priv)) { 6160 printk(KERN_WARNING DRV_NAME 6161 "Error calling ipw2100_queues_allocate.\n"); 6162 err = -ENOMEM; 6163 goto fail; 6164 } 6165 ipw2100_queues_initialize(priv); 6166 6167 err = request_irq(pci_dev->irq, 6168 ipw2100_interrupt, IRQF_SHARED, dev->name, priv); 6169 if (err) { 6170 printk(KERN_WARNING DRV_NAME 6171 "Error calling request_irq: %d.\n", pci_dev->irq); 6172 goto fail; 6173 } 6174 dev->irq = pci_dev->irq; 6175 6176 IPW_DEBUG_INFO("Attempting to register device...\n"); 6177 6178 SET_MODULE_OWNER(dev); 6179 6180 printk(KERN_INFO DRV_NAME 6181 ": Detected Intel PRO/Wireless 2100 Network Connection\n"); 6182 6183 /* Bring up the interface. Pre 0.46, after we registered the 6184 * network device we would call ipw2100_up. This introduced a race 6185 * condition with newer hotplug configurations (network was coming 6186 * up and making calls before the device was initialized). 6187 * 6188 * If we called ipw2100_up before we registered the device, then the 6189 * device name wasn't registered. So, we instead use the net_dev->init 6190 * member to call a function that then just turns and calls ipw2100_up. 6191 * net_dev->init is called after name allocation but before the 6192 * notifier chain is called */ 6193 err = register_netdev(dev); 6194 if (err) { 6195 printk(KERN_WARNING DRV_NAME 6196 "Error calling register_netdev.\n"); 6197 goto fail; 6198 } 6199 6200 mutex_lock(&priv->action_mutex); 6201 registered = 1; 6202 6203 IPW_DEBUG_INFO("%s: Bound to %s\n", dev->name, pci_name(pci_dev)); 6204 6205 /* perform this after register_netdev so that dev->name is set */ 6206 err = sysfs_create_group(&pci_dev->dev.kobj, &ipw2100_attribute_group); 6207 if (err) 6208 goto fail_unlock; 6209 6210 /* If the RF Kill switch is disabled, go ahead and complete the 6211 * startup sequence */ 6212 if (!(priv->status & STATUS_RF_KILL_MASK)) { 6213 /* Enable the adapter - sends HOST_COMPLETE */ 6214 if (ipw2100_enable_adapter(priv)) { 6215 printk(KERN_WARNING DRV_NAME 6216 ": %s: failed in call to enable adapter.\n", 6217 priv->net_dev->name); 6218 ipw2100_hw_stop_adapter(priv); 6219 err = -EIO; 6220 goto fail_unlock; 6221 } 6222 6223 /* Start a scan . . . */ 6224 ipw2100_set_scan_options(priv); 6225 ipw2100_start_scan(priv); 6226 } 6227 6228 IPW_DEBUG_INFO("exit\n"); 6229 6230 priv->status |= STATUS_INITIALIZED; 6231 6232 mutex_unlock(&priv->action_mutex); 6233 6234 return 0; 6235 6236 fail_unlock: 6237 mutex_unlock(&priv->action_mutex); 6238 6239 fail: 6240 if (dev) { 6241 if (registered) 6242 unregister_netdev(dev); 6243 6244 ipw2100_hw_stop_adapter(priv); 6245 6246 ipw2100_disable_interrupts(priv); 6247 6248 if (dev->irq) 6249 free_irq(dev->irq, priv); 6250 6251 ipw2100_kill_workqueue(priv); 6252 6253 /* These are safe to call even if they weren't allocated */ 6254 ipw2100_queues_free(priv); 6255 sysfs_remove_group(&pci_dev->dev.kobj, 6256 &ipw2100_attribute_group); 6257 6258 free_ieee80211(dev); 6259 pci_set_drvdata(pci_dev, NULL); 6260 } 6261 6262 if (base_addr) 6263 iounmap(base_addr); 6264 6265 pci_release_regions(pci_dev); 6266 pci_disable_device(pci_dev); 6267 6268 return err; 6269} 6270 6271static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev) 6272{ 6273 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev); 6274 struct net_device *dev; 6275 6276 if (priv) { 6277 mutex_lock(&priv->action_mutex); 6278 6279 priv->status &= ~STATUS_INITIALIZED; 6280 6281 dev = priv->net_dev; 6282 sysfs_remove_group(&pci_dev->dev.kobj, 6283 &ipw2100_attribute_group); 6284 6285#ifdef CONFIG_PM 6286 if (ipw2100_firmware.version) 6287 ipw2100_release_firmware(priv, &ipw2100_firmware); 6288#endif 6289 /* Take down the hardware */ 6290 ipw2100_down(priv); 6291 6292 /* Release the mutex so that the network subsystem can 6293 * complete any needed calls into the driver... */ 6294 mutex_unlock(&priv->action_mutex); 6295 6296 /* Unregister the device first - this results in close() 6297 * being called if the device is open. If we free storage 6298 * first, then close() will crash. */ 6299 unregister_netdev(dev); 6300 6301 /* ipw2100_down will ensure that there is no more pending work 6302 * in the workqueue's, so we can safely remove them now. */ 6303 ipw2100_kill_workqueue(priv); 6304 6305 ipw2100_queues_free(priv); 6306 6307 /* Free potential debugging firmware snapshot */ 6308 ipw2100_snapshot_free(priv); 6309 6310 if (dev->irq) 6311 free_irq(dev->irq, priv); 6312 6313 if (dev->base_addr) 6314 iounmap((void __iomem *)dev->base_addr); 6315 6316 free_ieee80211(dev); 6317 } 6318 6319 pci_release_regions(pci_dev); 6320 pci_disable_device(pci_dev); 6321 6322 IPW_DEBUG_INFO("exit\n"); 6323} 6324 6325#ifdef CONFIG_PM 6326static int ipw2100_suspend(struct pci_dev *pci_dev, pm_message_t state) 6327{ 6328 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev); 6329 struct net_device *dev = priv->net_dev; 6330 6331 IPW_DEBUG_INFO("%s: Going into suspend...\n", dev->name); 6332 6333 mutex_lock(&priv->action_mutex); 6334 if (priv->status & STATUS_INITIALIZED) { 6335 /* Take down the device; powers it off, etc. */ 6336 ipw2100_down(priv); 6337 } 6338 6339 /* Remove the PRESENT state of the device */ 6340 netif_device_detach(dev); 6341 6342 pci_save_state(pci_dev); 6343 pci_disable_device(pci_dev); 6344 pci_set_power_state(pci_dev, PCI_D3hot); 6345 6346 mutex_unlock(&priv->action_mutex); 6347 6348 return 0; 6349} 6350 6351static int ipw2100_resume(struct pci_dev *pci_dev) 6352{ 6353 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev); 6354 struct net_device *dev = priv->net_dev; 6355 int err; 6356 u32 val; 6357 6358 if (IPW2100_PM_DISABLED) 6359 return 0; 6360 6361 mutex_lock(&priv->action_mutex); 6362 6363 IPW_DEBUG_INFO("%s: Coming out of suspend...\n", dev->name); 6364 6365 pci_set_power_state(pci_dev, PCI_D0); 6366 err = pci_enable_device(pci_dev); 6367 if (err) { 6368 printk(KERN_ERR "%s: pci_enable_device failed on resume\n", 6369 dev->name); 6370 return err; 6371 } 6372 pci_restore_state(pci_dev); 6373 6374 /* 6375 * Suspend/Resume resets the PCI configuration space, so we have to 6376 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries 6377 * from interfering with C3 CPU state. pci_restore_state won't help 6378 * here since it only restores the first 64 bytes pci config header. 6379 */ 6380 pci_read_config_dword(pci_dev, 0x40, &val); 6381 if ((val & 0x0000ff00) != 0) 6382 pci_write_config_dword(pci_dev, 0x40, val & 0xffff00ff); 6383 6384 /* Set the device back into the PRESENT state; this will also wake 6385 * the queue of needed */ 6386 netif_device_attach(dev); 6387 6388 /* Bring the device back up */ 6389 if (!(priv->status & STATUS_RF_KILL_SW)) 6390 ipw2100_up(priv, 0); 6391 6392 mutex_unlock(&priv->action_mutex); 6393 6394 return 0; 6395} 6396#endif 6397 6398#define IPW2100_DEV_ID(x) { PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, x } 6399 6400static struct pci_device_id ipw2100_pci_id_table[] __devinitdata = { 6401 IPW2100_DEV_ID(0x2520), /* IN 2100A mPCI 3A */ 6402 IPW2100_DEV_ID(0x2521), /* IN 2100A mPCI 3B */ 6403 IPW2100_DEV_ID(0x2524), /* IN 2100A mPCI 3B */ 6404 IPW2100_DEV_ID(0x2525), /* IN 2100A mPCI 3B */ 6405 IPW2100_DEV_ID(0x2526), /* IN 2100A mPCI Gen A3 */ 6406 IPW2100_DEV_ID(0x2522), /* IN 2100 mPCI 3B */ 6407 IPW2100_DEV_ID(0x2523), /* IN 2100 mPCI 3A */ 6408 IPW2100_DEV_ID(0x2527), /* IN 2100 mPCI 3B */ 6409 IPW2100_DEV_ID(0x2528), /* IN 2100 mPCI 3B */ 6410 IPW2100_DEV_ID(0x2529), /* IN 2100 mPCI 3B */ 6411 IPW2100_DEV_ID(0x252B), /* IN 2100 mPCI 3A */ 6412 IPW2100_DEV_ID(0x252C), /* IN 2100 mPCI 3A */ 6413 IPW2100_DEV_ID(0x252D), /* IN 2100 mPCI 3A */ 6414 6415 IPW2100_DEV_ID(0x2550), /* IB 2100A mPCI 3B */ 6416 IPW2100_DEV_ID(0x2551), /* IB 2100 mPCI 3B */ 6417 IPW2100_DEV_ID(0x2553), /* IB 2100 mPCI 3B */ 6418 IPW2100_DEV_ID(0x2554), /* IB 2100 mPCI 3B */ 6419 IPW2100_DEV_ID(0x2555), /* IB 2100 mPCI 3B */ 6420 6421 IPW2100_DEV_ID(0x2560), /* DE 2100A mPCI 3A */ 6422 IPW2100_DEV_ID(0x2562), /* DE 2100A mPCI 3A */ 6423 IPW2100_DEV_ID(0x2563), /* DE 2100A mPCI 3A */ 6424 IPW2100_DEV_ID(0x2561), /* DE 2100 mPCI 3A */ 6425 IPW2100_DEV_ID(0x2565), /* DE 2100 mPCI 3A */ 6426 IPW2100_DEV_ID(0x2566), /* DE 2100 mPCI 3A */ 6427 IPW2100_DEV_ID(0x2567), /* DE 2100 mPCI 3A */ 6428 6429 IPW2100_DEV_ID(0x2570), /* GA 2100 mPCI 3B */ 6430 6431 IPW2100_DEV_ID(0x2580), /* TO 2100A mPCI 3B */ 6432 IPW2100_DEV_ID(0x2582), /* TO 2100A mPCI 3B */ 6433 IPW2100_DEV_ID(0x2583), /* TO 2100A mPCI 3B */ 6434 IPW2100_DEV_ID(0x2581), /* TO 2100 mPCI 3B */ 6435 IPW2100_DEV_ID(0x2585), /* TO 2100 mPCI 3B */ 6436 IPW2100_DEV_ID(0x2586), /* TO 2100 mPCI 3B */ 6437 IPW2100_DEV_ID(0x2587), /* TO 2100 mPCI 3B */ 6438 6439 IPW2100_DEV_ID(0x2590), /* SO 2100A mPCI 3B */ 6440 IPW2100_DEV_ID(0x2592), /* SO 2100A mPCI 3B */ 6441 IPW2100_DEV_ID(0x2591), /* SO 2100 mPCI 3B */ 6442 IPW2100_DEV_ID(0x2593), /* SO 2100 mPCI 3B */ 6443 IPW2100_DEV_ID(0x2596), /* SO 2100 mPCI 3B */ 6444 IPW2100_DEV_ID(0x2598), /* SO 2100 mPCI 3B */ 6445 6446 IPW2100_DEV_ID(0x25A0), /* HP 2100 mPCI 3B */ 6447 {0,}, 6448}; 6449 6450MODULE_DEVICE_TABLE(pci, ipw2100_pci_id_table); 6451 6452static struct pci_driver ipw2100_pci_driver = { 6453 .name = DRV_NAME, 6454 .id_table = ipw2100_pci_id_table, 6455 .probe = ipw2100_pci_init_one, 6456 .remove = __devexit_p(ipw2100_pci_remove_one), 6457#ifdef CONFIG_PM 6458 .suspend = ipw2100_suspend, 6459 .resume = ipw2100_resume, 6460#endif 6461}; 6462 6463/** 6464 * Initialize the ipw2100 driver/module 6465 * 6466 * @returns 0 if ok, < 0 errno node con error. 6467 * 6468 * Note: we cannot init the /proc stuff until the PCI driver is there, 6469 * or we risk an unlikely race condition on someone accessing 6470 * uninitialized data in the PCI dev struct through /proc. 6471 */ 6472static int __init ipw2100_init(void) 6473{ 6474 int ret; 6475 6476 printk(KERN_INFO DRV_NAME ": %s, %s\n", DRV_DESCRIPTION, DRV_VERSION); 6477 printk(KERN_INFO DRV_NAME ": %s\n", DRV_COPYRIGHT); 6478 6479 ret = pci_register_driver(&ipw2100_pci_driver); 6480 if (ret) 6481 goto out; 6482 6483 set_acceptable_latency("ipw2100", INFINITE_LATENCY); 6484#ifdef CONFIG_IPW2100_DEBUG 6485 ipw2100_debug_level = debug; 6486 ret = driver_create_file(&ipw2100_pci_driver.driver, 6487 &driver_attr_debug_level); 6488#endif 6489 6490out: 6491 return ret; 6492} 6493 6494/** 6495 * Cleanup ipw2100 driver registration 6496 */ 6497static void __exit ipw2100_exit(void) 6498{ 6499#ifdef CONFIG_IPW2100_DEBUG 6500 driver_remove_file(&ipw2100_pci_driver.driver, 6501 &driver_attr_debug_level); 6502#endif 6503 pci_unregister_driver(&ipw2100_pci_driver); 6504 remove_acceptable_latency("ipw2100"); 6505} 6506 6507module_init(ipw2100_init); 6508module_exit(ipw2100_exit); 6509 6510#define WEXT_USECHANNELS 1 6511 6512static const long ipw2100_frequencies[] = { 6513 2412, 2417, 2422, 2427, 6514 2432, 2437, 2442, 2447, 6515 2452, 2457, 2462, 2467, 6516 2472, 2484 6517}; 6518 6519#define FREQ_COUNT (sizeof(ipw2100_frequencies) / \ 6520 sizeof(ipw2100_frequencies[0])) 6521 6522static const long ipw2100_rates_11b[] = { 6523 1000000, 6524 2000000, 6525 5500000, 6526 11000000 6527}; 6528 6529#define RATE_COUNT ARRAY_SIZE(ipw2100_rates_11b) 6530 6531static int ipw2100_wx_get_name(struct net_device *dev, 6532 struct iw_request_info *info, 6533 union iwreq_data *wrqu, char *extra) 6534{ 6535 /* 6536 * This can be called at any time. No action lock required 6537 */ 6538 6539 struct ipw2100_priv *priv = ieee80211_priv(dev); 6540 if (!(priv->status & STATUS_ASSOCIATED)) 6541 strcpy(wrqu->name, "unassociated"); 6542 else 6543 snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11b"); 6544 6545 IPW_DEBUG_WX("Name: %s\n", wrqu->name); 6546 return 0; 6547} 6548 6549static int ipw2100_wx_set_freq(struct net_device *dev, 6550 struct iw_request_info *info, 6551 union iwreq_data *wrqu, char *extra) 6552{ 6553 struct ipw2100_priv *priv = ieee80211_priv(dev); 6554 struct iw_freq *fwrq = &wrqu->freq; 6555 int err = 0; 6556 6557 if (priv->ieee->iw_mode == IW_MODE_INFRA) 6558 return -EOPNOTSUPP; 6559 6560 mutex_lock(&priv->action_mutex); 6561 if (!(priv->status & STATUS_INITIALIZED)) { 6562 err = -EIO; 6563 goto done; 6564 } 6565 6566 /* if setting by freq convert to channel */ 6567 if (fwrq->e == 1) { 6568 if ((fwrq->m >= (int)2.412e8 && fwrq->m <= (int)2.487e8)) { 6569 int f = fwrq->m / 100000; 6570 int c = 0; 6571 6572 while ((c < REG_MAX_CHANNEL) && 6573 (f != ipw2100_frequencies[c])) 6574 c++; 6575 6576 /* hack to fall through */ 6577 fwrq->e = 0; 6578 fwrq->m = c + 1; 6579 } 6580 } 6581 6582 if (fwrq->e > 0 || fwrq->m > 1000) { 6583 err = -EOPNOTSUPP; 6584 goto done; 6585 } else { /* Set the channel */ 6586 IPW_DEBUG_WX("SET Freq/Channel -> %d \n", fwrq->m); 6587 err = ipw2100_set_channel(priv, fwrq->m, 0); 6588 } 6589 6590 done: 6591 mutex_unlock(&priv->action_mutex); 6592 return err; 6593} 6594 6595static int ipw2100_wx_get_freq(struct net_device *dev, 6596 struct iw_request_info *info, 6597 union iwreq_data *wrqu, char *extra) 6598{ 6599 /* 6600 * This can be called at any time. No action lock required 6601 */ 6602 6603 struct ipw2100_priv *priv = ieee80211_priv(dev); 6604 6605 wrqu->freq.e = 0; 6606 6607 /* If we are associated, trying to associate, or have a statically 6608 * configured CHANNEL then return that; otherwise return ANY */ 6609 if (priv->config & CFG_STATIC_CHANNEL || 6610 priv->status & STATUS_ASSOCIATED) 6611 wrqu->freq.m = priv->channel; 6612 else 6613 wrqu->freq.m = 0; 6614 6615 IPW_DEBUG_WX("GET Freq/Channel -> %d \n", priv->channel); 6616 return 0; 6617 6618} 6619 6620static int ipw2100_wx_set_mode(struct net_device *dev, 6621 struct iw_request_info *info, 6622 union iwreq_data *wrqu, char *extra) 6623{ 6624 struct ipw2100_priv *priv = ieee80211_priv(dev); 6625 int err = 0; 6626 6627 IPW_DEBUG_WX("SET Mode -> %d \n", wrqu->mode); 6628 6629 if (wrqu->mode == priv->ieee->iw_mode) 6630 return 0; 6631 6632 mutex_lock(&priv->action_mutex); 6633 if (!(priv->status & STATUS_INITIALIZED)) { 6634 err = -EIO; 6635 goto done; 6636 } 6637 6638 switch (wrqu->mode) { 6639#ifdef CONFIG_IPW2100_MONITOR 6640 case IW_MODE_MONITOR: 6641 err = ipw2100_switch_mode(priv, IW_MODE_MONITOR); 6642 break; 6643#endif /* CONFIG_IPW2100_MONITOR */ 6644 case IW_MODE_ADHOC: 6645 err = ipw2100_switch_mode(priv, IW_MODE_ADHOC); 6646 break; 6647 case IW_MODE_INFRA: 6648 case IW_MODE_AUTO: 6649 default: 6650 err = ipw2100_switch_mode(priv, IW_MODE_INFRA); 6651 break; 6652 } 6653 6654 done: 6655 mutex_unlock(&priv->action_mutex); 6656 return err; 6657} 6658 6659static int ipw2100_wx_get_mode(struct net_device *dev, 6660 struct iw_request_info *info, 6661 union iwreq_data *wrqu, char *extra) 6662{ 6663 /* 6664 * This can be called at any time. No action lock required 6665 */ 6666 6667 struct ipw2100_priv *priv = ieee80211_priv(dev); 6668 6669 wrqu->mode = priv->ieee->iw_mode; 6670 IPW_DEBUG_WX("GET Mode -> %d\n", wrqu->mode); 6671 6672 return 0; 6673} 6674 6675#define POWER_MODES 5 6676 6677/* Values are in microsecond */ 6678static const s32 timeout_duration[POWER_MODES] = { 6679 350000, 6680 250000, 6681 75000, 6682 37000, 6683 25000, 6684}; 6685 6686static const s32 period_duration[POWER_MODES] = { 6687 400000, 6688 700000, 6689 1000000, 6690 1000000, 6691 1000000 6692}; 6693 6694static int ipw2100_wx_get_range(struct net_device *dev, 6695 struct iw_request_info *info, 6696 union iwreq_data *wrqu, char *extra) 6697{ 6698 /* 6699 * This can be called at any time. No action lock required 6700 */ 6701 6702 struct ipw2100_priv *priv = ieee80211_priv(dev); 6703 struct iw_range *range = (struct iw_range *)extra; 6704 u16 val; 6705 int i, level; 6706 6707 wrqu->data.length = sizeof(*range); 6708 memset(range, 0, sizeof(*range)); 6709 6710 /* Let's try to keep this struct in the same order as in 6711 * linux/include/wireless.h 6712 */ 6713 6714 /* TODO: See what values we can set, and remove the ones we can't 6715 * set, or fill them with some default data. 6716 */ 6717 6718 /* ~5 Mb/s real (802.11b) */ 6719 range->throughput = 5 * 1000 * 1000; 6720 6721// range->sensitivity; /* signal level threshold range */ 6722 6723 range->max_qual.qual = 100; 6724 /* TODO: Find real max RSSI and stick here */ 6725 range->max_qual.level = 0; 6726 range->max_qual.noise = 0; 6727 range->max_qual.updated = 7; /* Updated all three */ 6728 6729 range->avg_qual.qual = 70; /* > 8% missed beacons is 'bad' */ 6730 /* TODO: Find real 'good' to 'bad' threshol value for RSSI */ 6731 range->avg_qual.level = 20 + IPW2100_RSSI_TO_DBM; 6732 range->avg_qual.noise = 0; 6733 range->avg_qual.updated = 7; /* Updated all three */ 6734 6735 range->num_bitrates = RATE_COUNT; 6736 6737 for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++) { 6738 range->bitrate[i] = ipw2100_rates_11b[i]; 6739 } 6740 6741 range->min_rts = MIN_RTS_THRESHOLD; 6742 range->max_rts = MAX_RTS_THRESHOLD; 6743 range->min_frag = MIN_FRAG_THRESHOLD; 6744 range->max_frag = MAX_FRAG_THRESHOLD; 6745 6746 range->min_pmp = period_duration[0]; /* Minimal PM period */ 6747 range->max_pmp = period_duration[POWER_MODES - 1]; /* Maximal PM period */ 6748 range->min_pmt = timeout_duration[POWER_MODES - 1]; /* Minimal PM timeout */ 6749 range->max_pmt = timeout_duration[0]; /* Maximal PM timeout */ 6750 6751 /* How to decode max/min PM period */ 6752 range->pmp_flags = IW_POWER_PERIOD; 6753 /* How to decode max/min PM period */ 6754 range->pmt_flags = IW_POWER_TIMEOUT; 6755 /* What PM options are supported */ 6756 range->pm_capa = IW_POWER_TIMEOUT | IW_POWER_PERIOD; 6757 6758 range->encoding_size[0] = 5; 6759 range->encoding_size[1] = 13; /* Different token sizes */ 6760 range->num_encoding_sizes = 2; /* Number of entry in the list */ 6761 range->max_encoding_tokens = WEP_KEYS; /* Max number of tokens */ 6762// range->encoding_login_index; /* token index for login token */ 6763 6764 if (priv->ieee->iw_mode == IW_MODE_ADHOC) { 6765 range->txpower_capa = IW_TXPOW_DBM; 6766 range->num_txpower = IW_MAX_TXPOWER; 6767 for (i = 0, level = (IPW_TX_POWER_MAX_DBM * 16); 6768 i < IW_MAX_TXPOWER; 6769 i++, level -= 6770 ((IPW_TX_POWER_MAX_DBM - 6771 IPW_TX_POWER_MIN_DBM) * 16) / (IW_MAX_TXPOWER - 1)) 6772 range->txpower[i] = level / 16; 6773 } else { 6774 range->txpower_capa = 0; 6775 range->num_txpower = 0; 6776 } 6777 6778 /* Set the Wireless Extension versions */ 6779 range->we_version_compiled = WIRELESS_EXT; 6780 range->we_version_source = 18; 6781 6782// range->retry_capa; /* What retry options are supported */ 6783// range->retry_flags; /* How to decode max/min retry limit */ 6784// range->r_time_flags; /* How to decode max/min retry life */ 6785// range->min_retry; /* Minimal number of retries */ 6786// range->max_retry; /* Maximal number of retries */ 6787// range->min_r_time; /* Minimal retry lifetime */ 6788// range->max_r_time; /* Maximal retry lifetime */ 6789 6790 range->num_channels = FREQ_COUNT; 6791 6792 val = 0; 6793 for (i = 0; i < FREQ_COUNT; i++) { 6794 // TODO: Include only legal frequencies for some countries 6795// if (local->channel_mask & (1 << i)) { 6796 range->freq[val].i = i + 1; 6797 range->freq[val].m = ipw2100_frequencies[i] * 100000; 6798 range->freq[val].e = 1; 6799 val++; 6800// } 6801 if (val == IW_MAX_FREQUENCIES) 6802 break; 6803 } 6804 range->num_frequency = val; 6805 6806 /* Event capability (kernel + driver) */ 6807 range->event_capa[0] = (IW_EVENT_CAPA_K_0 | 6808 IW_EVENT_CAPA_MASK(SIOCGIWAP)); 6809 range->event_capa[1] = IW_EVENT_CAPA_K_1; 6810 6811 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | 6812 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; 6813 6814 IPW_DEBUG_WX("GET Range\n"); 6815 6816 return 0; 6817} 6818 6819static int ipw2100_wx_set_wap(struct net_device *dev, 6820 struct iw_request_info *info, 6821 union iwreq_data *wrqu, char *extra) 6822{ 6823 struct ipw2100_priv *priv = ieee80211_priv(dev); 6824 int err = 0; 6825 6826 static const unsigned char any[] = { 6827 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 6828 }; 6829 static const unsigned char off[] = { 6830 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 6831 }; 6832 6833 // sanity checks 6834 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER) 6835 return -EINVAL; 6836 6837 mutex_lock(&priv->action_mutex); 6838 if (!(priv->status & STATUS_INITIALIZED)) { 6839 err = -EIO; 6840 goto done; 6841 } 6842 6843 if (!memcmp(any, wrqu->ap_addr.sa_data, ETH_ALEN) || 6844 !memcmp(off, wrqu->ap_addr.sa_data, ETH_ALEN)) { 6845 /* we disable mandatory BSSID association */ 6846 IPW_DEBUG_WX("exit - disable mandatory BSSID\n"); 6847 priv->config &= ~CFG_STATIC_BSSID; 6848 err = ipw2100_set_mandatory_bssid(priv, NULL, 0); 6849 goto done; 6850 } 6851 6852 priv->config |= CFG_STATIC_BSSID; 6853 memcpy(priv->mandatory_bssid_mac, wrqu->ap_addr.sa_data, ETH_ALEN); 6854 6855 err = ipw2100_set_mandatory_bssid(priv, wrqu->ap_addr.sa_data, 0); 6856 6857 IPW_DEBUG_WX("SET BSSID -> %02X:%02X:%02X:%02X:%02X:%02X\n", 6858 wrqu->ap_addr.sa_data[0] & 0xff, 6859 wrqu->ap_addr.sa_data[1] & 0xff, 6860 wrqu->ap_addr.sa_data[2] & 0xff, 6861 wrqu->ap_addr.sa_data[3] & 0xff, 6862 wrqu->ap_addr.sa_data[4] & 0xff, 6863 wrqu->ap_addr.sa_data[5] & 0xff); 6864 6865 done: 6866 mutex_unlock(&priv->action_mutex); 6867 return err; 6868} 6869 6870static int ipw2100_wx_get_wap(struct net_device *dev, 6871 struct iw_request_info *info, 6872 union iwreq_data *wrqu, char *extra) 6873{ 6874 /* 6875 * This can be called at any time. No action lock required 6876 */ 6877 6878 struct ipw2100_priv *priv = ieee80211_priv(dev); 6879 6880 /* If we are associated, trying to associate, or have a statically 6881 * configured BSSID then return that; otherwise return ANY */ 6882 if (priv->config & CFG_STATIC_BSSID || priv->status & STATUS_ASSOCIATED) { 6883 wrqu->ap_addr.sa_family = ARPHRD_ETHER; 6884 memcpy(wrqu->ap_addr.sa_data, priv->bssid, ETH_ALEN); 6885 } else 6886 memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN); 6887 6888 IPW_DEBUG_WX("Getting WAP BSSID: " MAC_FMT "\n", 6889 MAC_ARG(wrqu->ap_addr.sa_data)); 6890 return 0; 6891} 6892 6893static int ipw2100_wx_set_essid(struct net_device *dev, 6894 struct iw_request_info *info, 6895 union iwreq_data *wrqu, char *extra) 6896{ 6897 struct ipw2100_priv *priv = ieee80211_priv(dev); 6898 char *essid = ""; /* ANY */ 6899 int length = 0; 6900 int err = 0; 6901 6902 mutex_lock(&priv->action_mutex); 6903 if (!(priv->status & STATUS_INITIALIZED)) { 6904 err = -EIO; 6905 goto done; 6906 } 6907 6908 if (wrqu->essid.flags && wrqu->essid.length) { 6909 length = wrqu->essid.length; 6910 essid = extra; 6911 } 6912 6913 if (length == 0) { 6914 IPW_DEBUG_WX("Setting ESSID to ANY\n"); 6915 priv->config &= ~CFG_STATIC_ESSID; 6916 err = ipw2100_set_essid(priv, NULL, 0, 0); 6917 goto done; 6918 } 6919 6920 length = min(length, IW_ESSID_MAX_SIZE); 6921 6922 priv->config |= CFG_STATIC_ESSID; 6923 6924 if (priv->essid_len == length && !memcmp(priv->essid, extra, length)) { 6925 IPW_DEBUG_WX("ESSID set to current ESSID.\n"); 6926 err = 0; 6927 goto done; 6928 } 6929 6930 IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_essid(essid, length), 6931 length); 6932 6933 priv->essid_len = length; 6934 memcpy(priv->essid, essid, priv->essid_len); 6935 6936 err = ipw2100_set_essid(priv, essid, length, 0); 6937 6938 done: 6939 mutex_unlock(&priv->action_mutex); 6940 return err; 6941} 6942 6943static int ipw2100_wx_get_essid(struct net_device *dev, 6944 struct iw_request_info *info, 6945 union iwreq_data *wrqu, char *extra) 6946{ 6947 /* 6948 * This can be called at any time. No action lock required 6949 */ 6950 6951 struct ipw2100_priv *priv = ieee80211_priv(dev); 6952 6953 /* If we are associated, trying to associate, or have a statically 6954 * configured ESSID then return that; otherwise return ANY */ 6955 if (priv->config & CFG_STATIC_ESSID || priv->status & STATUS_ASSOCIATED) { 6956 IPW_DEBUG_WX("Getting essid: '%s'\n", 6957 escape_essid(priv->essid, priv->essid_len)); 6958 memcpy(extra, priv->essid, priv->essid_len); 6959 wrqu->essid.length = priv->essid_len; 6960 wrqu->essid.flags = 1; /* active */ 6961 } else { 6962 IPW_DEBUG_WX("Getting essid: ANY\n"); 6963 wrqu->essid.length = 0; 6964 wrqu->essid.flags = 0; /* active */ 6965 } 6966 6967 return 0; 6968} 6969 6970static int ipw2100_wx_set_nick(struct net_device *dev, 6971 struct iw_request_info *info, 6972 union iwreq_data *wrqu, char *extra) 6973{ 6974 /* 6975 * This can be called at any time. No action lock required 6976 */ 6977 6978 struct ipw2100_priv *priv = ieee80211_priv(dev); 6979 6980 if (wrqu->data.length > IW_ESSID_MAX_SIZE) 6981 return -E2BIG; 6982 6983 wrqu->data.length = min((size_t) wrqu->data.length, sizeof(priv->nick)); 6984 memset(priv->nick, 0, sizeof(priv->nick)); 6985 memcpy(priv->nick, extra, wrqu->data.length); 6986 6987 IPW_DEBUG_WX("SET Nickname -> %s \n", priv->nick); 6988 6989 return 0; 6990} 6991 6992static int ipw2100_wx_get_nick(struct net_device *dev, 6993 struct iw_request_info *info, 6994 union iwreq_data *wrqu, char *extra) 6995{ 6996 /* 6997 * This can be called at any time. No action lock required 6998 */ 6999 7000 struct ipw2100_priv *priv = ieee80211_priv(dev); 7001 7002 wrqu->data.length = strlen(priv->nick); 7003 memcpy(extra, priv->nick, wrqu->data.length); 7004 wrqu->data.flags = 1; /* active */ 7005 7006 IPW_DEBUG_WX("GET Nickname -> %s \n", extra); 7007 7008 return 0; 7009} 7010 7011static int ipw2100_wx_set_rate(struct net_device *dev, 7012 struct iw_request_info *info, 7013 union iwreq_data *wrqu, char *extra) 7014{ 7015 struct ipw2100_priv *priv = ieee80211_priv(dev); 7016 u32 target_rate = wrqu->bitrate.value; 7017 u32 rate; 7018 int err = 0; 7019 7020 mutex_lock(&priv->action_mutex); 7021 if (!(priv->status & STATUS_INITIALIZED)) { 7022 err = -EIO; 7023 goto done; 7024 } 7025 7026 rate = 0; 7027 7028 if (target_rate == 1000000 || 7029 (!wrqu->bitrate.fixed && target_rate > 1000000)) 7030 rate |= TX_RATE_1_MBIT; 7031 if (target_rate == 2000000 || 7032 (!wrqu->bitrate.fixed && target_rate > 2000000)) 7033 rate |= TX_RATE_2_MBIT; 7034 if (target_rate == 5500000 || 7035 (!wrqu->bitrate.fixed && target_rate > 5500000)) 7036 rate |= TX_RATE_5_5_MBIT; 7037 if (target_rate == 11000000 || 7038 (!wrqu->bitrate.fixed && target_rate > 11000000)) 7039 rate |= TX_RATE_11_MBIT; 7040 if (rate == 0) 7041 rate = DEFAULT_TX_RATES; 7042 7043 err = ipw2100_set_tx_rates(priv, rate, 0); 7044 7045 IPW_DEBUG_WX("SET Rate -> %04X \n", rate); 7046 done: 7047 mutex_unlock(&priv->action_mutex); 7048 return err; 7049} 7050 7051static int ipw2100_wx_get_rate(struct net_device *dev, 7052 struct iw_request_info *info, 7053 union iwreq_data *wrqu, char *extra) 7054{ 7055 struct ipw2100_priv *priv = ieee80211_priv(dev); 7056 int val; 7057 int len = sizeof(val); 7058 int err = 0; 7059 7060 if (!(priv->status & STATUS_ENABLED) || 7061 priv->status & STATUS_RF_KILL_MASK || 7062 !(priv->status & STATUS_ASSOCIATED)) { 7063 wrqu->bitrate.value = 0; 7064 return 0; 7065 } 7066 7067 mutex_lock(&priv->action_mutex); 7068 if (!(priv->status & STATUS_INITIALIZED)) { 7069 err = -EIO; 7070 goto done; 7071 } 7072 7073 err = ipw2100_get_ordinal(priv, IPW_ORD_CURRENT_TX_RATE, &val, &len); 7074 if (err) { 7075 IPW_DEBUG_WX("failed querying ordinals.\n"); 7076 return err; 7077 } 7078 7079 switch (val & TX_RATE_MASK) { 7080 case TX_RATE_1_MBIT: 7081 wrqu->bitrate.value = 1000000; 7082 break; 7083 case TX_RATE_2_MBIT: 7084 wrqu->bitrate.value = 2000000; 7085 break; 7086 case TX_RATE_5_5_MBIT: 7087 wrqu->bitrate.value = 5500000; 7088 break; 7089 case TX_RATE_11_MBIT: 7090 wrqu->bitrate.value = 11000000; 7091 break; 7092 default: 7093 wrqu->bitrate.value = 0; 7094 } 7095 7096 IPW_DEBUG_WX("GET Rate -> %d \n", wrqu->bitrate.value); 7097 7098 done: 7099 mutex_unlock(&priv->action_mutex); 7100 return err; 7101} 7102 7103static int ipw2100_wx_set_rts(struct net_device *dev, 7104 struct iw_request_info *info, 7105 union iwreq_data *wrqu, char *extra) 7106{ 7107 struct ipw2100_priv *priv = ieee80211_priv(dev); 7108 int value, err; 7109 7110 /* Auto RTS not yet supported */ 7111 if (wrqu->rts.fixed == 0) 7112 return -EINVAL; 7113 7114 mutex_lock(&priv->action_mutex); 7115 if (!(priv->status & STATUS_INITIALIZED)) { 7116 err = -EIO; 7117 goto done; 7118 } 7119 7120 if (wrqu->rts.disabled) 7121 value = priv->rts_threshold | RTS_DISABLED; 7122 else { 7123 if (wrqu->rts.value < 1 || wrqu->rts.value > 2304) { 7124 err = -EINVAL; 7125 goto done; 7126 } 7127 value = wrqu->rts.value; 7128 } 7129 7130 err = ipw2100_set_rts_threshold(priv, value); 7131 7132 IPW_DEBUG_WX("SET RTS Threshold -> 0x%08X \n", value); 7133 done: 7134 mutex_unlock(&priv->action_mutex); 7135 return err; 7136} 7137 7138static int ipw2100_wx_get_rts(struct net_device *dev, 7139 struct iw_request_info *info, 7140 union iwreq_data *wrqu, char *extra) 7141{ 7142 /* 7143 * This can be called at any time. No action lock required 7144 */ 7145 7146 struct ipw2100_priv *priv = ieee80211_priv(dev); 7147 7148 wrqu->rts.value = priv->rts_threshold & ~RTS_DISABLED; 7149 wrqu->rts.fixed = 1; /* no auto select */ 7150 7151 /* If RTS is set to the default value, then it is disabled */ 7152 wrqu->rts.disabled = (priv->rts_threshold & RTS_DISABLED) ? 1 : 0; 7153 7154 IPW_DEBUG_WX("GET RTS Threshold -> 0x%08X \n", wrqu->rts.value); 7155 7156 return 0; 7157} 7158 7159static int ipw2100_wx_set_txpow(struct net_device *dev, 7160 struct iw_request_info *info, 7161 union iwreq_data *wrqu, char *extra) 7162{ 7163 struct ipw2100_priv *priv = ieee80211_priv(dev); 7164 int err = 0, value; 7165 7166 if (ipw_radio_kill_sw(priv, wrqu->txpower.disabled)) 7167 return -EINPROGRESS; 7168 7169 if (priv->ieee->iw_mode != IW_MODE_ADHOC) 7170 return 0; 7171 7172 if ((wrqu->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) 7173 return -EINVAL; 7174 7175 if (wrqu->txpower.fixed == 0) 7176 value = IPW_TX_POWER_DEFAULT; 7177 else { 7178 if (wrqu->txpower.value < IPW_TX_POWER_MIN_DBM || 7179 wrqu->txpower.value > IPW_TX_POWER_MAX_DBM) 7180 return -EINVAL; 7181 7182 value = wrqu->txpower.value; 7183 } 7184 7185 mutex_lock(&priv->action_mutex); 7186 if (!(priv->status & STATUS_INITIALIZED)) { 7187 err = -EIO; 7188 goto done; 7189 } 7190 7191 err = ipw2100_set_tx_power(priv, value); 7192 7193 IPW_DEBUG_WX("SET TX Power -> %d \n", value); 7194 7195 done: 7196 mutex_unlock(&priv->action_mutex); 7197 return err; 7198} 7199 7200static int ipw2100_wx_get_txpow(struct net_device *dev, 7201 struct iw_request_info *info, 7202 union iwreq_data *wrqu, char *extra) 7203{ 7204 /* 7205 * This can be called at any time. No action lock required 7206 */ 7207 7208 struct ipw2100_priv *priv = ieee80211_priv(dev); 7209 7210 wrqu->txpower.disabled = (priv->status & STATUS_RF_KILL_MASK) ? 1 : 0; 7211 7212 if (priv->tx_power == IPW_TX_POWER_DEFAULT) { 7213 wrqu->txpower.fixed = 0; 7214 wrqu->txpower.value = IPW_TX_POWER_MAX_DBM; 7215 } else { 7216 wrqu->txpower.fixed = 1; 7217 wrqu->txpower.value = priv->tx_power; 7218 } 7219 7220 wrqu->txpower.flags = IW_TXPOW_DBM; 7221 7222 IPW_DEBUG_WX("GET TX Power -> %d \n", wrqu->txpower.value); 7223 7224 return 0; 7225} 7226 7227static int ipw2100_wx_set_frag(struct net_device *dev, 7228 struct iw_request_info *info, 7229 union iwreq_data *wrqu, char *extra) 7230{ 7231 /* 7232 * This can be called at any time. No action lock required 7233 */ 7234 7235 struct ipw2100_priv *priv = ieee80211_priv(dev); 7236 7237 if (!wrqu->frag.fixed) 7238 return -EINVAL; 7239 7240 if (wrqu->frag.disabled) { 7241 priv->frag_threshold |= FRAG_DISABLED; 7242 priv->ieee->fts = DEFAULT_FTS; 7243 } else { 7244 if (wrqu->frag.value < MIN_FRAG_THRESHOLD || 7245 wrqu->frag.value > MAX_FRAG_THRESHOLD) 7246 return -EINVAL; 7247 7248 priv->ieee->fts = wrqu->frag.value & ~0x1; 7249 priv->frag_threshold = priv->ieee->fts; 7250 } 7251 7252 IPW_DEBUG_WX("SET Frag Threshold -> %d \n", priv->ieee->fts); 7253 7254 return 0; 7255} 7256 7257static int ipw2100_wx_get_frag(struct net_device *dev, 7258 struct iw_request_info *info, 7259 union iwreq_data *wrqu, char *extra) 7260{ 7261 /* 7262 * This can be called at any time. No action lock required 7263 */ 7264 7265 struct ipw2100_priv *priv = ieee80211_priv(dev); 7266 wrqu->frag.value = priv->frag_threshold & ~FRAG_DISABLED; 7267 wrqu->frag.fixed = 0; /* no auto select */ 7268 wrqu->frag.disabled = (priv->frag_threshold & FRAG_DISABLED) ? 1 : 0; 7269 7270 IPW_DEBUG_WX("GET Frag Threshold -> %d \n", wrqu->frag.value); 7271 7272 return 0; 7273} 7274 7275static int ipw2100_wx_set_retry(struct net_device *dev, 7276 struct iw_request_info *info, 7277 union iwreq_data *wrqu, char *extra) 7278{ 7279 struct ipw2100_priv *priv = ieee80211_priv(dev); 7280 int err = 0; 7281 7282 if (wrqu->retry.flags & IW_RETRY_LIFETIME || wrqu->retry.disabled) 7283 return -EINVAL; 7284 7285 if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) 7286 return 0; 7287 7288 mutex_lock(&priv->action_mutex); 7289 if (!(priv->status & STATUS_INITIALIZED)) { 7290 err = -EIO; 7291 goto done; 7292 } 7293 7294 if (wrqu->retry.flags & IW_RETRY_SHORT) { 7295 err = ipw2100_set_short_retry(priv, wrqu->retry.value); 7296 IPW_DEBUG_WX("SET Short Retry Limit -> %d \n", 7297 wrqu->retry.value); 7298 goto done; 7299 } 7300 7301 if (wrqu->retry.flags & IW_RETRY_LONG) { 7302 err = ipw2100_set_long_retry(priv, wrqu->retry.value); 7303 IPW_DEBUG_WX("SET Long Retry Limit -> %d \n", 7304 wrqu->retry.value); 7305 goto done; 7306 } 7307 7308 err = ipw2100_set_short_retry(priv, wrqu->retry.value); 7309 if (!err) 7310 err = ipw2100_set_long_retry(priv, wrqu->retry.value); 7311 7312 IPW_DEBUG_WX("SET Both Retry Limits -> %d \n", wrqu->retry.value); 7313 7314 done: 7315 mutex_unlock(&priv->action_mutex); 7316 return err; 7317} 7318 7319static int ipw2100_wx_get_retry(struct net_device *dev, 7320 struct iw_request_info *info, 7321 union iwreq_data *wrqu, char *extra) 7322{ 7323 /* 7324 * This can be called at any time. No action lock required 7325 */ 7326 7327 struct ipw2100_priv *priv = ieee80211_priv(dev); 7328 7329 wrqu->retry.disabled = 0; /* can't be disabled */ 7330 7331 if ((wrqu->retry.flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) 7332 return -EINVAL; 7333 7334 if (wrqu->retry.flags & IW_RETRY_LONG) { 7335 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 7336 wrqu->retry.value = priv->long_retry_limit; 7337 } else { 7338 wrqu->retry.flags = 7339 (priv->short_retry_limit != 7340 priv->long_retry_limit) ? 7341 IW_RETRY_LIMIT | IW_RETRY_SHORT : IW_RETRY_LIMIT; 7342 7343 wrqu->retry.value = priv->short_retry_limit; 7344 } 7345 7346 IPW_DEBUG_WX("GET Retry -> %d \n", wrqu->retry.value); 7347 7348 return 0; 7349} 7350 7351static int ipw2100_wx_set_scan(struct net_device *dev, 7352 struct iw_request_info *info, 7353 union iwreq_data *wrqu, char *extra) 7354{ 7355 struct ipw2100_priv *priv = ieee80211_priv(dev); 7356 int err = 0; 7357 7358 mutex_lock(&priv->action_mutex); 7359 if (!(priv->status & STATUS_INITIALIZED)) { 7360 err = -EIO; 7361 goto done; 7362 } 7363 7364 IPW_DEBUG_WX("Initiating scan...\n"); 7365 if (ipw2100_set_scan_options(priv) || ipw2100_start_scan(priv)) { 7366 IPW_DEBUG_WX("Start scan failed.\n"); 7367 7368 /* TODO: Mark a scan as pending so when hardware initialized 7369 * a scan starts */ 7370 } 7371 7372 done: 7373 mutex_unlock(&priv->action_mutex); 7374 return err; 7375} 7376 7377static int ipw2100_wx_get_scan(struct net_device *dev, 7378 struct iw_request_info *info, 7379 union iwreq_data *wrqu, char *extra) 7380{ 7381 /* 7382 * This can be called at any time. No action lock required 7383 */ 7384 7385 struct ipw2100_priv *priv = ieee80211_priv(dev); 7386 return ieee80211_wx_get_scan(priv->ieee, info, wrqu, extra); 7387} 7388 7389/* 7390 * Implementation based on code in hostap-driver v0.1.3 hostap_ioctl.c 7391 */ 7392static int ipw2100_wx_set_encode(struct net_device *dev, 7393 struct iw_request_info *info, 7394 union iwreq_data *wrqu, char *key) 7395{ 7396 /* 7397 * No check of STATUS_INITIALIZED required 7398 */ 7399 7400 struct ipw2100_priv *priv = ieee80211_priv(dev); 7401 return ieee80211_wx_set_encode(priv->ieee, info, wrqu, key); 7402} 7403 7404static int ipw2100_wx_get_encode(struct net_device *dev, 7405 struct iw_request_info *info, 7406 union iwreq_data *wrqu, char *key) 7407{ 7408 /* 7409 * This can be called at any time. No action lock required 7410 */ 7411 7412 struct ipw2100_priv *priv = ieee80211_priv(dev); 7413 return ieee80211_wx_get_encode(priv->ieee, info, wrqu, key); 7414} 7415 7416static int ipw2100_wx_set_power(struct net_device *dev, 7417 struct iw_request_info *info, 7418 union iwreq_data *wrqu, char *extra) 7419{ 7420 struct ipw2100_priv *priv = ieee80211_priv(dev); 7421 int err = 0; 7422 7423 mutex_lock(&priv->action_mutex); 7424 if (!(priv->status & STATUS_INITIALIZED)) { 7425 err = -EIO; 7426 goto done; 7427 } 7428 7429 if (wrqu->power.disabled) { 7430 priv->power_mode = IPW_POWER_LEVEL(priv->power_mode); 7431 err = ipw2100_set_power_mode(priv, IPW_POWER_MODE_CAM); 7432 IPW_DEBUG_WX("SET Power Management Mode -> off\n"); 7433 goto done; 7434 } 7435 7436 switch (wrqu->power.flags & IW_POWER_MODE) { 7437 case IW_POWER_ON: /* If not specified */ 7438 case IW_POWER_MODE: /* If set all mask */ 7439 case IW_POWER_ALL_R: /* If explicitely state all */ 7440 break; 7441 default: /* Otherwise we don't support it */ 7442 IPW_DEBUG_WX("SET PM Mode: %X not supported.\n", 7443 wrqu->power.flags); 7444 err = -EOPNOTSUPP; 7445 goto done; 7446 } 7447 7448 /* If the user hasn't specified a power management mode yet, default 7449 * to BATTERY */ 7450 priv->power_mode = IPW_POWER_ENABLED | priv->power_mode; 7451 err = ipw2100_set_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode)); 7452 7453 IPW_DEBUG_WX("SET Power Management Mode -> 0x%02X\n", priv->power_mode); 7454 7455 done: 7456 mutex_unlock(&priv->action_mutex); 7457 return err; 7458 7459} 7460 7461static int ipw2100_wx_get_power(struct net_device *dev, 7462 struct iw_request_info *info, 7463 union iwreq_data *wrqu, char *extra) 7464{ 7465 /* 7466 * This can be called at any time. No action lock required 7467 */ 7468 7469 struct ipw2100_priv *priv = ieee80211_priv(dev); 7470 7471 if (!(priv->power_mode & IPW_POWER_ENABLED)) 7472 wrqu->power.disabled = 1; 7473 else { 7474 wrqu->power.disabled = 0; 7475 wrqu->power.flags = 0; 7476 } 7477 7478 IPW_DEBUG_WX("GET Power Management Mode -> %02X\n", priv->power_mode); 7479 7480 return 0; 7481} 7482 7483/* 7484 * WE-18 WPA support 7485 */ 7486 7487/* SIOCSIWGENIE */ 7488static int ipw2100_wx_set_genie(struct net_device *dev, 7489 struct iw_request_info *info, 7490 union iwreq_data *wrqu, char *extra) 7491{ 7492 7493 struct ipw2100_priv *priv = ieee80211_priv(dev); 7494 struct ieee80211_device *ieee = priv->ieee; 7495 u8 *buf; 7496 7497 if (!ieee->wpa_enabled) 7498 return -EOPNOTSUPP; 7499 7500 if (wrqu->data.length > MAX_WPA_IE_LEN || 7501 (wrqu->data.length && extra == NULL)) 7502 return -EINVAL; 7503 7504 if (wrqu->data.length) { 7505 buf = kmemdup(extra, wrqu->data.length, GFP_KERNEL); 7506 if (buf == NULL) 7507 return -ENOMEM; 7508 7509 kfree(ieee->wpa_ie); 7510 ieee->wpa_ie = buf; 7511 ieee->wpa_ie_len = wrqu->data.length; 7512 } else { 7513 kfree(ieee->wpa_ie); 7514 ieee->wpa_ie = NULL; 7515 ieee->wpa_ie_len = 0; 7516 } 7517 7518 ipw2100_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len); 7519 7520 return 0; 7521} 7522 7523/* SIOCGIWGENIE */ 7524static int ipw2100_wx_get_genie(struct net_device *dev, 7525 struct iw_request_info *info, 7526 union iwreq_data *wrqu, char *extra) 7527{ 7528 struct ipw2100_priv *priv = ieee80211_priv(dev); 7529 struct ieee80211_device *ieee = priv->ieee; 7530 7531 if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) { 7532 wrqu->data.length = 0; 7533 return 0; 7534 } 7535 7536 if (wrqu->data.length < ieee->wpa_ie_len) 7537 return -E2BIG; 7538 7539 wrqu->data.length = ieee->wpa_ie_len; 7540 memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len); 7541 7542 return 0; 7543} 7544 7545/* SIOCSIWAUTH */ 7546static int ipw2100_wx_set_auth(struct net_device *dev, 7547 struct iw_request_info *info, 7548 union iwreq_data *wrqu, char *extra) 7549{ 7550 struct ipw2100_priv *priv = ieee80211_priv(dev); 7551 struct ieee80211_device *ieee = priv->ieee; 7552 struct iw_param *param = &wrqu->param; 7553 struct ieee80211_crypt_data *crypt; 7554 unsigned long flags; 7555 int ret = 0; 7556 7557 switch (param->flags & IW_AUTH_INDEX) { 7558 case IW_AUTH_WPA_VERSION: 7559 case IW_AUTH_CIPHER_PAIRWISE: 7560 case IW_AUTH_CIPHER_GROUP: 7561 case IW_AUTH_KEY_MGMT: 7562 /* 7563 * ipw2200 does not use these parameters 7564 */ 7565 break; 7566 7567 case IW_AUTH_TKIP_COUNTERMEASURES: 7568 crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; 7569 if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags) 7570 break; 7571 7572 flags = crypt->ops->get_flags(crypt->priv); 7573 7574 if (param->value) 7575 flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES; 7576 else 7577 flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES; 7578 7579 crypt->ops->set_flags(flags, crypt->priv); 7580 7581 break; 7582 7583 case IW_AUTH_DROP_UNENCRYPTED:{ 7584 /* HACK: 7585 * 7586 * wpa_supplicant calls set_wpa_enabled when the driver 7587 * is loaded and unloaded, regardless of if WPA is being 7588 * used. No other calls are made which can be used to 7589 * determine if encryption will be used or not prior to 7590 * association being expected. If encryption is not being 7591 * used, drop_unencrypted is set to false, else true -- we 7592 * can use this to determine if the CAP_PRIVACY_ON bit should 7593 * be set. 7594 */ 7595 struct ieee80211_security sec = { 7596 .flags = SEC_ENABLED, 7597 .enabled = param->value, 7598 }; 7599 priv->ieee->drop_unencrypted = param->value; 7600 /* We only change SEC_LEVEL for open mode. Others 7601 * are set by ipw_wpa_set_encryption. 7602 */ 7603 if (!param->value) { 7604 sec.flags |= SEC_LEVEL; 7605 sec.level = SEC_LEVEL_0; 7606 } else { 7607 sec.flags |= SEC_LEVEL; 7608 sec.level = SEC_LEVEL_1; 7609 } 7610 if (priv->ieee->set_security) 7611 priv->ieee->set_security(priv->ieee->dev, &sec); 7612 break; 7613 } 7614 7615 case IW_AUTH_80211_AUTH_ALG: 7616 ret = ipw2100_wpa_set_auth_algs(priv, param->value); 7617 break; 7618 7619 case IW_AUTH_WPA_ENABLED: 7620 ret = ipw2100_wpa_enable(priv, param->value); 7621 break; 7622 7623 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 7624 ieee->ieee802_1x = param->value; 7625 break; 7626 7627 //case IW_AUTH_ROAMING_CONTROL: 7628 case IW_AUTH_PRIVACY_INVOKED: 7629 ieee->privacy_invoked = param->value; 7630 break; 7631 7632 default: 7633 return -EOPNOTSUPP; 7634 } 7635 return ret; 7636} 7637 7638/* SIOCGIWAUTH */ 7639static int ipw2100_wx_get_auth(struct net_device *dev, 7640 struct iw_request_info *info, 7641 union iwreq_data *wrqu, char *extra) 7642{ 7643 struct ipw2100_priv *priv = ieee80211_priv(dev); 7644 struct ieee80211_device *ieee = priv->ieee; 7645 struct ieee80211_crypt_data *crypt; 7646 struct iw_param *param = &wrqu->param; 7647 int ret = 0; 7648 7649 switch (param->flags & IW_AUTH_INDEX) { 7650 case IW_AUTH_WPA_VERSION: 7651 case IW_AUTH_CIPHER_PAIRWISE: 7652 case IW_AUTH_CIPHER_GROUP: 7653 case IW_AUTH_KEY_MGMT: 7654 /* 7655 * wpa_supplicant will control these internally 7656 */ 7657 ret = -EOPNOTSUPP; 7658 break; 7659 7660 case IW_AUTH_TKIP_COUNTERMEASURES: 7661 crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; 7662 if (!crypt || !crypt->ops->get_flags) { 7663 IPW_DEBUG_WARNING("Can't get TKIP countermeasures: " 7664 "crypt not set!\n"); 7665 break; 7666 } 7667 7668 param->value = (crypt->ops->get_flags(crypt->priv) & 7669 IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) ? 1 : 0; 7670 7671 break; 7672 7673 case IW_AUTH_DROP_UNENCRYPTED: 7674 param->value = ieee->drop_unencrypted; 7675 break; 7676 7677 case IW_AUTH_80211_AUTH_ALG: 7678 param->value = priv->ieee->sec.auth_mode; 7679 break; 7680 7681 case IW_AUTH_WPA_ENABLED: 7682 param->value = ieee->wpa_enabled; 7683 break; 7684 7685 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 7686 param->value = ieee->ieee802_1x; 7687 break; 7688 7689 case IW_AUTH_ROAMING_CONTROL: 7690 case IW_AUTH_PRIVACY_INVOKED: 7691 param->value = ieee->privacy_invoked; 7692 break; 7693 7694 default: 7695 return -EOPNOTSUPP; 7696 } 7697 return 0; 7698} 7699 7700/* SIOCSIWENCODEEXT */ 7701static int ipw2100_wx_set_encodeext(struct net_device *dev, 7702 struct iw_request_info *info, 7703 union iwreq_data *wrqu, char *extra) 7704{ 7705 struct ipw2100_priv *priv = ieee80211_priv(dev); 7706 return ieee80211_wx_set_encodeext(priv->ieee, info, wrqu, extra); 7707} 7708 7709/* SIOCGIWENCODEEXT */ 7710static int ipw2100_wx_get_encodeext(struct net_device *dev, 7711 struct iw_request_info *info, 7712 union iwreq_data *wrqu, char *extra) 7713{ 7714 struct ipw2100_priv *priv = ieee80211_priv(dev); 7715 return ieee80211_wx_get_encodeext(priv->ieee, info, wrqu, extra); 7716} 7717 7718/* SIOCSIWMLME */ 7719static int ipw2100_wx_set_mlme(struct net_device *dev, 7720 struct iw_request_info *info, 7721 union iwreq_data *wrqu, char *extra) 7722{ 7723 struct ipw2100_priv *priv = ieee80211_priv(dev); 7724 struct iw_mlme *mlme = (struct iw_mlme *)extra; 7725 u16 reason; 7726 7727 reason = cpu_to_le16(mlme->reason_code); 7728 7729 switch (mlme->cmd) { 7730 case IW_MLME_DEAUTH: 7731 // silently ignore 7732 break; 7733 7734 case IW_MLME_DISASSOC: 7735 ipw2100_disassociate_bssid(priv); 7736 break; 7737 7738 default: 7739 return -EOPNOTSUPP; 7740 } 7741 return 0; 7742} 7743 7744/* 7745 * 7746 * IWPRIV handlers 7747 * 7748 */ 7749#ifdef CONFIG_IPW2100_MONITOR 7750static int ipw2100_wx_set_promisc(struct net_device *dev, 7751 struct iw_request_info *info, 7752 union iwreq_data *wrqu, char *extra) 7753{ 7754 struct ipw2100_priv *priv = ieee80211_priv(dev); 7755 int *parms = (int *)extra; 7756 int enable = (parms[0] > 0); 7757 int err = 0; 7758 7759 mutex_lock(&priv->action_mutex); 7760 if (!(priv->status & STATUS_INITIALIZED)) { 7761 err = -EIO; 7762 goto done; 7763 } 7764 7765 if (enable) { 7766 if (priv->ieee->iw_mode == IW_MODE_MONITOR) { 7767 err = ipw2100_set_channel(priv, parms[1], 0); 7768 goto done; 7769 } 7770 priv->channel = parms[1]; 7771 err = ipw2100_switch_mode(priv, IW_MODE_MONITOR); 7772 } else { 7773 if (priv->ieee->iw_mode == IW_MODE_MONITOR) 7774 err = ipw2100_switch_mode(priv, priv->last_mode); 7775 } 7776 done: 7777 mutex_unlock(&priv->action_mutex); 7778 return err; 7779} 7780 7781static int ipw2100_wx_reset(struct net_device *dev, 7782 struct iw_request_info *info, 7783 union iwreq_data *wrqu, char *extra) 7784{ 7785 struct ipw2100_priv *priv = ieee80211_priv(dev); 7786 if (priv->status & STATUS_INITIALIZED) 7787 schedule_reset(priv); 7788 return 0; 7789} 7790 7791#endif 7792 7793static int ipw2100_wx_set_powermode(struct net_device *dev, 7794 struct iw_request_info *info, 7795 union iwreq_data *wrqu, char *extra) 7796{ 7797 struct ipw2100_priv *priv = ieee80211_priv(dev); 7798 int err = 0, mode = *(int *)extra; 7799 7800 mutex_lock(&priv->action_mutex); 7801 if (!(priv->status & STATUS_INITIALIZED)) { 7802 err = -EIO; 7803 goto done; 7804 } 7805 7806 if ((mode < 1) || (mode > POWER_MODES)) 7807 mode = IPW_POWER_AUTO; 7808 7809 if (priv->power_mode != mode) 7810 err = ipw2100_set_power_mode(priv, mode); 7811 done: 7812 mutex_unlock(&priv->action_mutex); 7813 return err; 7814} 7815 7816#define MAX_POWER_STRING 80 7817static int ipw2100_wx_get_powermode(struct net_device *dev, 7818 struct iw_request_info *info, 7819 union iwreq_data *wrqu, char *extra) 7820{ 7821 /* 7822 * This can be called at any time. No action lock required 7823 */ 7824 7825 struct ipw2100_priv *priv = ieee80211_priv(dev); 7826 int level = IPW_POWER_LEVEL(priv->power_mode); 7827 s32 timeout, period; 7828 7829 if (!(priv->power_mode & IPW_POWER_ENABLED)) { 7830 snprintf(extra, MAX_POWER_STRING, 7831 "Power save level: %d (Off)", level); 7832 } else { 7833 switch (level) { 7834 case IPW_POWER_MODE_CAM: 7835 snprintf(extra, MAX_POWER_STRING, 7836 "Power save level: %d (None)", level); 7837 break; 7838 case IPW_POWER_AUTO: 7839 snprintf(extra, MAX_POWER_STRING, 7840 "Power save level: %d (Auto)", 0); 7841 break; 7842 default: 7843 timeout = timeout_duration[level - 1] / 1000; 7844 period = period_duration[level - 1] / 1000; 7845 snprintf(extra, MAX_POWER_STRING, 7846 "Power save level: %d " 7847 "(Timeout %dms, Period %dms)", 7848 level, timeout, period); 7849 } 7850 } 7851 7852 wrqu->data.length = strlen(extra) + 1; 7853 7854 return 0; 7855} 7856 7857static int ipw2100_wx_set_preamble(struct net_device *dev, 7858 struct iw_request_info *info, 7859 union iwreq_data *wrqu, char *extra) 7860{ 7861 struct ipw2100_priv *priv = ieee80211_priv(dev); 7862 int err, mode = *(int *)extra; 7863 7864 mutex_lock(&priv->action_mutex); 7865 if (!(priv->status & STATUS_INITIALIZED)) { 7866 err = -EIO; 7867 goto done; 7868 } 7869 7870 if (mode == 1) 7871 priv->config |= CFG_LONG_PREAMBLE; 7872 else if (mode == 0) 7873 priv->config &= ~CFG_LONG_PREAMBLE; 7874 else { 7875 err = -EINVAL; 7876 goto done; 7877 } 7878 7879 err = ipw2100_system_config(priv, 0); 7880 7881 done: 7882 mutex_unlock(&priv->action_mutex); 7883 return err; 7884} 7885 7886static int ipw2100_wx_get_preamble(struct net_device *dev, 7887 struct iw_request_info *info, 7888 union iwreq_data *wrqu, char *extra) 7889{ 7890 /* 7891 * This can be called at any time. No action lock required 7892 */ 7893 7894 struct ipw2100_priv *priv = ieee80211_priv(dev); 7895 7896 if (priv->config & CFG_LONG_PREAMBLE) 7897 snprintf(wrqu->name, IFNAMSIZ, "long (1)"); 7898 else 7899 snprintf(wrqu->name, IFNAMSIZ, "auto (0)"); 7900 7901 return 0; 7902} 7903 7904#ifdef CONFIG_IPW2100_MONITOR 7905static int ipw2100_wx_set_crc_check(struct net_device *dev, 7906 struct iw_request_info *info, 7907 union iwreq_data *wrqu, char *extra) 7908{ 7909 struct ipw2100_priv *priv = ieee80211_priv(dev); 7910 int err, mode = *(int *)extra; 7911 7912 mutex_lock(&priv->action_mutex); 7913 if (!(priv->status & STATUS_INITIALIZED)) { 7914 err = -EIO; 7915 goto done; 7916 } 7917 7918 if (mode == 1) 7919 priv->config |= CFG_CRC_CHECK; 7920 else if (mode == 0) 7921 priv->config &= ~CFG_CRC_CHECK; 7922 else { 7923 err = -EINVAL; 7924 goto done; 7925 } 7926 err = 0; 7927 7928 done: 7929 mutex_unlock(&priv->action_mutex); 7930 return err; 7931} 7932 7933static int ipw2100_wx_get_crc_check(struct net_device *dev, 7934 struct iw_request_info *info, 7935 union iwreq_data *wrqu, char *extra) 7936{ 7937 /* 7938 * This can be called at any time. No action lock required 7939 */ 7940 7941 struct ipw2100_priv *priv = ieee80211_priv(dev); 7942 7943 if (priv->config & CFG_CRC_CHECK) 7944 snprintf(wrqu->name, IFNAMSIZ, "CRC checked (1)"); 7945 else 7946 snprintf(wrqu->name, IFNAMSIZ, "CRC ignored (0)"); 7947 7948 return 0; 7949} 7950#endif /* CONFIG_IPW2100_MONITOR */ 7951 7952static iw_handler ipw2100_wx_handlers[] = { 7953 NULL, /* SIOCSIWCOMMIT */ 7954 ipw2100_wx_get_name, /* SIOCGIWNAME */ 7955 NULL, /* SIOCSIWNWID */ 7956 NULL, /* SIOCGIWNWID */ 7957 ipw2100_wx_set_freq, /* SIOCSIWFREQ */ 7958 ipw2100_wx_get_freq, /* SIOCGIWFREQ */ 7959 ipw2100_wx_set_mode, /* SIOCSIWMODE */ 7960 ipw2100_wx_get_mode, /* SIOCGIWMODE */ 7961 NULL, /* SIOCSIWSENS */ 7962 NULL, /* SIOCGIWSENS */ 7963 NULL, /* SIOCSIWRANGE */ 7964 ipw2100_wx_get_range, /* SIOCGIWRANGE */ 7965 NULL, /* SIOCSIWPRIV */ 7966 NULL, /* SIOCGIWPRIV */ 7967 NULL, /* SIOCSIWSTATS */ 7968 NULL, /* SIOCGIWSTATS */ 7969 NULL, /* SIOCSIWSPY */ 7970 NULL, /* SIOCGIWSPY */ 7971 NULL, /* SIOCGIWTHRSPY */ 7972 NULL, /* SIOCWIWTHRSPY */ 7973 ipw2100_wx_set_wap, /* SIOCSIWAP */ 7974 ipw2100_wx_get_wap, /* SIOCGIWAP */ 7975 ipw2100_wx_set_mlme, /* SIOCSIWMLME */ 7976 NULL, /* SIOCGIWAPLIST -- deprecated */ 7977 ipw2100_wx_set_scan, /* SIOCSIWSCAN */ 7978 ipw2100_wx_get_scan, /* SIOCGIWSCAN */ 7979 ipw2100_wx_set_essid, /* SIOCSIWESSID */ 7980 ipw2100_wx_get_essid, /* SIOCGIWESSID */ 7981 ipw2100_wx_set_nick, /* SIOCSIWNICKN */ 7982 ipw2100_wx_get_nick, /* SIOCGIWNICKN */ 7983 NULL, /* -- hole -- */ 7984 NULL, /* -- hole -- */ 7985 ipw2100_wx_set_rate, /* SIOCSIWRATE */ 7986 ipw2100_wx_get_rate, /* SIOCGIWRATE */ 7987 ipw2100_wx_set_rts, /* SIOCSIWRTS */ 7988 ipw2100_wx_get_rts, /* SIOCGIWRTS */ 7989 ipw2100_wx_set_frag, /* SIOCSIWFRAG */ 7990 ipw2100_wx_get_frag, /* SIOCGIWFRAG */ 7991 ipw2100_wx_set_txpow, /* SIOCSIWTXPOW */ 7992 ipw2100_wx_get_txpow, /* SIOCGIWTXPOW */ 7993 ipw2100_wx_set_retry, /* SIOCSIWRETRY */ 7994 ipw2100_wx_get_retry, /* SIOCGIWRETRY */ 7995 ipw2100_wx_set_encode, /* SIOCSIWENCODE */ 7996 ipw2100_wx_get_encode, /* SIOCGIWENCODE */ 7997 ipw2100_wx_set_power, /* SIOCSIWPOWER */ 7998 ipw2100_wx_get_power, /* SIOCGIWPOWER */ 7999 NULL, /* -- hole -- */ 8000 NULL, /* -- hole -- */ 8001 ipw2100_wx_set_genie, /* SIOCSIWGENIE */ 8002 ipw2100_wx_get_genie, /* SIOCGIWGENIE */ 8003 ipw2100_wx_set_auth, /* SIOCSIWAUTH */ 8004 ipw2100_wx_get_auth, /* SIOCGIWAUTH */ 8005 ipw2100_wx_set_encodeext, /* SIOCSIWENCODEEXT */ 8006 ipw2100_wx_get_encodeext, /* SIOCGIWENCODEEXT */ 8007 NULL, /* SIOCSIWPMKSA */ 8008}; 8009 8010#define IPW2100_PRIV_SET_MONITOR SIOCIWFIRSTPRIV 8011#define IPW2100_PRIV_RESET SIOCIWFIRSTPRIV+1 8012#define IPW2100_PRIV_SET_POWER SIOCIWFIRSTPRIV+2 8013#define IPW2100_PRIV_GET_POWER SIOCIWFIRSTPRIV+3 8014#define IPW2100_PRIV_SET_LONGPREAMBLE SIOCIWFIRSTPRIV+4 8015#define IPW2100_PRIV_GET_LONGPREAMBLE SIOCIWFIRSTPRIV+5 8016#define IPW2100_PRIV_SET_CRC_CHECK SIOCIWFIRSTPRIV+6 8017#define IPW2100_PRIV_GET_CRC_CHECK SIOCIWFIRSTPRIV+7 8018 8019static const struct iw_priv_args ipw2100_private_args[] = { 8020 8021#ifdef CONFIG_IPW2100_MONITOR 8022 { 8023 IPW2100_PRIV_SET_MONITOR, 8024 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "monitor"}, 8025 { 8026 IPW2100_PRIV_RESET, 8027 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 0, 0, "reset"}, 8028#endif /* CONFIG_IPW2100_MONITOR */ 8029 8030 { 8031 IPW2100_PRIV_SET_POWER, 8032 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_power"}, 8033 { 8034 IPW2100_PRIV_GET_POWER, 8035 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_POWER_STRING, 8036 "get_power"}, 8037 { 8038 IPW2100_PRIV_SET_LONGPREAMBLE, 8039 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble"}, 8040 { 8041 IPW2100_PRIV_GET_LONGPREAMBLE, 8042 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | IFNAMSIZ, "get_preamble"}, 8043#ifdef CONFIG_IPW2100_MONITOR 8044 { 8045 IPW2100_PRIV_SET_CRC_CHECK, 8046 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_crc_check"}, 8047 { 8048 IPW2100_PRIV_GET_CRC_CHECK, 8049 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | IFNAMSIZ, "get_crc_check"}, 8050#endif /* CONFIG_IPW2100_MONITOR */ 8051}; 8052 8053static iw_handler ipw2100_private_handler[] = { 8054#ifdef CONFIG_IPW2100_MONITOR 8055 ipw2100_wx_set_promisc, 8056 ipw2100_wx_reset, 8057#else /* CONFIG_IPW2100_MONITOR */ 8058 NULL, 8059 NULL, 8060#endif /* CONFIG_IPW2100_MONITOR */ 8061 ipw2100_wx_set_powermode, 8062 ipw2100_wx_get_powermode, 8063 ipw2100_wx_set_preamble, 8064 ipw2100_wx_get_preamble, 8065#ifdef CONFIG_IPW2100_MONITOR 8066 ipw2100_wx_set_crc_check, 8067 ipw2100_wx_get_crc_check, 8068#else /* CONFIG_IPW2100_MONITOR */ 8069 NULL, 8070 NULL, 8071#endif /* CONFIG_IPW2100_MONITOR */ 8072}; 8073 8074/* 8075 * Get wireless statistics. 8076 * Called by /proc/net/wireless 8077 * Also called by SIOCGIWSTATS 8078 */ 8079static struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device *dev) 8080{ 8081 enum { 8082 POOR = 30, 8083 FAIR = 60, 8084 GOOD = 80, 8085 VERY_GOOD = 90, 8086 EXCELLENT = 95, 8087 PERFECT = 100 8088 }; 8089 int rssi_qual; 8090 int tx_qual; 8091 int beacon_qual; 8092 8093 struct ipw2100_priv *priv = ieee80211_priv(dev); 8094 struct iw_statistics *wstats; 8095 u32 rssi, quality, tx_retries, missed_beacons, tx_failures; 8096 u32 ord_len = sizeof(u32); 8097 8098 if (!priv) 8099 return (struct iw_statistics *)NULL; 8100 8101 wstats = &priv->wstats; 8102 8103 /* if hw is disabled, then ipw2100_get_ordinal() can't be called. 8104 * ipw2100_wx_wireless_stats seems to be called before fw is 8105 * initialized. STATUS_ASSOCIATED will only be set if the hw is up 8106 * and associated; if not associcated, the values are all meaningless 8107 * anyway, so set them all to NULL and INVALID */ 8108 if (!(priv->status & STATUS_ASSOCIATED)) { 8109 wstats->miss.beacon = 0; 8110 wstats->discard.retries = 0; 8111 wstats->qual.qual = 0; 8112 wstats->qual.level = 0; 8113 wstats->qual.noise = 0; 8114 wstats->qual.updated = 7; 8115 wstats->qual.updated |= IW_QUAL_NOISE_INVALID | 8116 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID; 8117 return wstats; 8118 } 8119 8120 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_PERCENT_MISSED_BCNS, 8121 &missed_beacons, &ord_len)) 8122 goto fail_get_ordinal; 8123 8124 /* If we don't have a connection the quality and level is 0 */ 8125 if (!(priv->status & STATUS_ASSOCIATED)) { 8126 wstats->qual.qual = 0; 8127 wstats->qual.level = 0; 8128 } else { 8129 if (ipw2100_get_ordinal(priv, IPW_ORD_RSSI_AVG_CURR, 8130 &rssi, &ord_len)) 8131 goto fail_get_ordinal; 8132 wstats->qual.level = rssi + IPW2100_RSSI_TO_DBM; 8133 if (rssi < 10) 8134 rssi_qual = rssi * POOR / 10; 8135 else if (rssi < 15) 8136 rssi_qual = (rssi - 10) * (FAIR - POOR) / 5 + POOR; 8137 else if (rssi < 20) 8138 rssi_qual = (rssi - 15) * (GOOD - FAIR) / 5 + FAIR; 8139 else if (rssi < 30) 8140 rssi_qual = (rssi - 20) * (VERY_GOOD - GOOD) / 8141 10 + GOOD; 8142 else 8143 rssi_qual = (rssi - 30) * (PERFECT - VERY_GOOD) / 8144 10 + VERY_GOOD; 8145 8146 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_PERCENT_RETRIES, 8147 &tx_retries, &ord_len)) 8148 goto fail_get_ordinal; 8149 8150 if (tx_retries > 75) 8151 tx_qual = (90 - tx_retries) * POOR / 15; 8152 else if (tx_retries > 70) 8153 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR; 8154 else if (tx_retries > 65) 8155 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR; 8156 else if (tx_retries > 50) 8157 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) / 8158 15 + GOOD; 8159 else 8160 tx_qual = (50 - tx_retries) * 8161 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD; 8162 8163 if (missed_beacons > 50) 8164 beacon_qual = (60 - missed_beacons) * POOR / 10; 8165 else if (missed_beacons > 40) 8166 beacon_qual = (50 - missed_beacons) * (FAIR - POOR) / 8167 10 + POOR; 8168 else if (missed_beacons > 32) 8169 beacon_qual = (40 - missed_beacons) * (GOOD - FAIR) / 8170 18 + FAIR; 8171 else if (missed_beacons > 20) 8172 beacon_qual = (32 - missed_beacons) * 8173 (VERY_GOOD - GOOD) / 20 + GOOD; 8174 else 8175 beacon_qual = (20 - missed_beacons) * 8176 (PERFECT - VERY_GOOD) / 20 + VERY_GOOD; 8177 8178 quality = min(beacon_qual, min(tx_qual, rssi_qual)); 8179 8180#ifdef CONFIG_IPW2100_DEBUG 8181 if (beacon_qual == quality) 8182 IPW_DEBUG_WX("Quality clamped by Missed Beacons\n"); 8183 else if (tx_qual == quality) 8184 IPW_DEBUG_WX("Quality clamped by Tx Retries\n"); 8185 else if (quality != 100) 8186 IPW_DEBUG_WX("Quality clamped by Signal Strength\n"); 8187 else 8188 IPW_DEBUG_WX("Quality not clamped.\n"); 8189#endif 8190 8191 wstats->qual.qual = quality; 8192 wstats->qual.level = rssi + IPW2100_RSSI_TO_DBM; 8193 } 8194 8195 wstats->qual.noise = 0; 8196 wstats->qual.updated = 7; 8197 wstats->qual.updated |= IW_QUAL_NOISE_INVALID; 8198 8199 wstats->miss.beacon = missed_beacons; 8200 8201 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_TX_FAILURES, 8202 &tx_failures, &ord_len)) 8203 goto fail_get_ordinal; 8204 wstats->discard.retries = tx_failures; 8205 8206 return wstats; 8207 8208 fail_get_ordinal: 8209 IPW_DEBUG_WX("failed querying ordinals.\n"); 8210 8211 return (struct iw_statistics *)NULL; 8212} 8213 8214static struct iw_handler_def ipw2100_wx_handler_def = { 8215 .standard = ipw2100_wx_handlers, 8216 .num_standard = sizeof(ipw2100_wx_handlers) / sizeof(iw_handler), 8217 .num_private = sizeof(ipw2100_private_handler) / sizeof(iw_handler), 8218 .num_private_args = sizeof(ipw2100_private_args) / 8219 sizeof(struct iw_priv_args), 8220 .private = (iw_handler *) ipw2100_private_handler, 8221 .private_args = (struct iw_priv_args *)ipw2100_private_args, 8222 .get_wireless_stats = ipw2100_wx_wireless_stats, 8223}; 8224 8225static void ipw2100_wx_event_work(struct work_struct *work) 8226{ 8227 struct ipw2100_priv *priv = 8228 container_of(work, struct ipw2100_priv, wx_event_work.work); 8229 union iwreq_data wrqu; 8230 int len = ETH_ALEN; 8231 8232 if (priv->status & STATUS_STOPPING) 8233 return; 8234 8235 mutex_lock(&priv->action_mutex); 8236 8237 IPW_DEBUG_WX("enter\n"); 8238 8239 mutex_unlock(&priv->action_mutex); 8240 8241 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 8242 8243 /* Fetch BSSID from the hardware */ 8244 if (!(priv->status & (STATUS_ASSOCIATING | STATUS_ASSOCIATED)) || 8245 priv->status & STATUS_RF_KILL_MASK || 8246 ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID, 8247 &priv->bssid, &len)) { 8248 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); 8249 } else { 8250 /* We now have the BSSID, so can finish setting to the full 8251 * associated state */ 8252 memcpy(wrqu.ap_addr.sa_data, priv->bssid, ETH_ALEN); 8253 memcpy(priv->ieee->bssid, priv->bssid, ETH_ALEN); 8254 priv->status &= ~STATUS_ASSOCIATING; 8255 priv->status |= STATUS_ASSOCIATED; 8256 netif_carrier_on(priv->net_dev); 8257 netif_wake_queue(priv->net_dev); 8258 } 8259 8260 if (!(priv->status & STATUS_ASSOCIATED)) { 8261 IPW_DEBUG_WX("Configuring ESSID\n"); 8262 mutex_lock(&priv->action_mutex); 8263 /* This is a disassociation event, so kick the firmware to 8264 * look for another AP */ 8265 if (priv->config & CFG_STATIC_ESSID) 8266 ipw2100_set_essid(priv, priv->essid, priv->essid_len, 8267 0); 8268 else 8269 ipw2100_set_essid(priv, NULL, 0, 0); 8270 mutex_unlock(&priv->action_mutex); 8271 } 8272 8273 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL); 8274} 8275 8276#define IPW2100_FW_MAJOR_VERSION 1 8277#define IPW2100_FW_MINOR_VERSION 3 8278 8279#define IPW2100_FW_MINOR(x) ((x & 0xff) >> 8) 8280#define IPW2100_FW_MAJOR(x) (x & 0xff) 8281 8282#define IPW2100_FW_VERSION ((IPW2100_FW_MINOR_VERSION << 8) | \ 8283 IPW2100_FW_MAJOR_VERSION) 8284 8285#define IPW2100_FW_PREFIX "ipw2100-" __stringify(IPW2100_FW_MAJOR_VERSION) \ 8286"." __stringify(IPW2100_FW_MINOR_VERSION) 8287 8288#define IPW2100_FW_NAME(x) IPW2100_FW_PREFIX "" x ".fw" 8289 8290/* 8291 8292BINARY FIRMWARE HEADER FORMAT 8293 8294offset length desc 82950 2 version 82962 2 mode == 0:BSS,1:IBSS,2:MONITOR 82974 4 fw_len 82988 4 uc_len 8299C fw_len firmware data 830012 + fw_len uc_len microcode data 8301 8302*/ 8303 8304struct ipw2100_fw_header { 8305 short version; 8306 short mode; 8307 unsigned int fw_size; 8308 unsigned int uc_size; 8309} __attribute__ ((packed)); 8310 8311static int ipw2100_mod_firmware_load(struct ipw2100_fw *fw) 8312{ 8313 struct ipw2100_fw_header *h = 8314 (struct ipw2100_fw_header *)fw->fw_entry->data; 8315 8316 if (IPW2100_FW_MAJOR(h->version) != IPW2100_FW_MAJOR_VERSION) { 8317 printk(KERN_WARNING DRV_NAME ": Firmware image not compatible " 8318 "(detected version id of %u). " 8319 "See Documentation/networking/README.ipw2100\n", 8320 h->version); 8321 return 1; 8322 } 8323 8324 fw->version = h->version; 8325 fw->fw.data = fw->fw_entry->data + sizeof(struct ipw2100_fw_header); 8326 fw->fw.size = h->fw_size; 8327 fw->uc.data = fw->fw.data + h->fw_size; 8328 fw->uc.size = h->uc_size; 8329 8330 return 0; 8331} 8332 8333static int ipw2100_get_firmware(struct ipw2100_priv *priv, 8334 struct ipw2100_fw *fw) 8335{ 8336 char *fw_name; 8337 int rc; 8338 8339 IPW_DEBUG_INFO("%s: Using hotplug firmware load.\n", 8340 priv->net_dev->name); 8341 8342 switch (priv->ieee->iw_mode) { 8343 case IW_MODE_ADHOC: 8344 fw_name = IPW2100_FW_NAME("-i"); 8345 break; 8346#ifdef CONFIG_IPW2100_MONITOR 8347 case IW_MODE_MONITOR: 8348 fw_name = IPW2100_FW_NAME("-p"); 8349 break; 8350#endif 8351 case IW_MODE_INFRA: 8352 default: 8353 fw_name = IPW2100_FW_NAME(""); 8354 break; 8355 } 8356 8357 rc = request_firmware(&fw->fw_entry, fw_name, &priv->pci_dev->dev); 8358 8359 if (rc < 0) { 8360 printk(KERN_ERR DRV_NAME ": " 8361 "%s: Firmware '%s' not available or load failed.\n", 8362 priv->net_dev->name, fw_name); 8363 return rc; 8364 } 8365 IPW_DEBUG_INFO("firmware data %p size %zd\n", fw->fw_entry->data, 8366 fw->fw_entry->size); 8367 8368 ipw2100_mod_firmware_load(fw); 8369 8370 return 0; 8371} 8372 8373static void ipw2100_release_firmware(struct ipw2100_priv *priv, 8374 struct ipw2100_fw *fw) 8375{ 8376 fw->version = 0; 8377 if (fw->fw_entry) 8378 release_firmware(fw->fw_entry); 8379 fw->fw_entry = NULL; 8380} 8381 8382static int ipw2100_get_fwversion(struct ipw2100_priv *priv, char *buf, 8383 size_t max) 8384{ 8385 char ver[MAX_FW_VERSION_LEN]; 8386 u32 len = MAX_FW_VERSION_LEN; 8387 u32 tmp; 8388 int i; 8389 /* firmware version is an ascii string (max len of 14) */ 8390 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_FW_VER_NUM, ver, &len)) 8391 return -EIO; 8392 tmp = max; 8393 if (len >= max) 8394 len = max - 1; 8395 for (i = 0; i < len; i++) 8396 buf[i] = ver[i]; 8397 buf[i] = '\0'; 8398 return tmp; 8399} 8400 8401static int ipw2100_get_ucodeversion(struct ipw2100_priv *priv, char *buf, 8402 size_t max) 8403{ 8404 u32 ver; 8405 u32 len = sizeof(ver); 8406 /* microcode version is a 32 bit integer */ 8407 if (ipw2100_get_ordinal(priv, IPW_ORD_UCODE_VERSION, &ver, &len)) 8408 return -EIO; 8409 return snprintf(buf, max, "%08X", ver); 8410} 8411 8412/* 8413 * On exit, the firmware will have been freed from the fw list 8414 */ 8415static int ipw2100_fw_download(struct ipw2100_priv *priv, struct ipw2100_fw *fw) 8416{ 8417 /* firmware is constructed of N contiguous entries, each entry is 8418 * structured as: 8419 * 8420 * offset sie desc 8421 * 0 4 address to write to 8422 * 4 2 length of data run 8423 * 6 length data 8424 */ 8425 unsigned int addr; 8426 unsigned short len; 8427 8428 const unsigned char *firmware_data = fw->fw.data; 8429 unsigned int firmware_data_left = fw->fw.size; 8430 8431 while (firmware_data_left > 0) { 8432 addr = *(u32 *) (firmware_data); 8433 firmware_data += 4; 8434 firmware_data_left -= 4; 8435 8436 len = *(u16 *) (firmware_data); 8437 firmware_data += 2; 8438 firmware_data_left -= 2; 8439 8440 if (len > 32) { 8441 printk(KERN_ERR DRV_NAME ": " 8442 "Invalid firmware run-length of %d bytes\n", 8443 len); 8444 return -EINVAL; 8445 } 8446 8447 write_nic_memory(priv->net_dev, addr, len, firmware_data); 8448 firmware_data += len; 8449 firmware_data_left -= len; 8450 } 8451 8452 return 0; 8453} 8454 8455struct symbol_alive_response { 8456 u8 cmd_id; 8457 u8 seq_num; 8458 u8 ucode_rev; 8459 u8 eeprom_valid; 8460 u16 valid_flags; 8461 u8 IEEE_addr[6]; 8462 u16 flags; 8463 u16 pcb_rev; 8464 u16 clock_settle_time; // 1us LSB 8465 u16 powerup_settle_time; // 1us LSB 8466 u16 hop_settle_time; // 1us LSB 8467 u8 date[3]; // month, day, year 8468 u8 time[2]; // hours, minutes 8469 u8 ucode_valid; 8470}; 8471 8472static int ipw2100_ucode_download(struct ipw2100_priv *priv, 8473 struct ipw2100_fw *fw) 8474{ 8475 struct net_device *dev = priv->net_dev; 8476 const unsigned char *microcode_data = fw->uc.data; 8477 unsigned int microcode_data_left = fw->uc.size; 8478 void __iomem *reg = (void __iomem *)dev->base_addr; 8479 8480 struct symbol_alive_response response; 8481 int i, j; 8482 u8 data; 8483 8484 /* Symbol control */ 8485 write_nic_word(dev, IPW2100_CONTROL_REG, 0x703); 8486 readl(reg); 8487 write_nic_word(dev, IPW2100_CONTROL_REG, 0x707); 8488 readl(reg); 8489 8490 /* HW config */ 8491 write_nic_byte(dev, 0x210014, 0x72); /* fifo width =16 */ 8492 readl(reg); 8493 write_nic_byte(dev, 0x210014, 0x72); /* fifo width =16 */ 8494 readl(reg); 8495 8496 /* EN_CS_ACCESS bit to reset control store pointer */ 8497 write_nic_byte(dev, 0x210000, 0x40); 8498 readl(reg); 8499 write_nic_byte(dev, 0x210000, 0x0); 8500 readl(reg); 8501 write_nic_byte(dev, 0x210000, 0x40); 8502 readl(reg); 8503 8504 /* copy microcode from buffer into Symbol */ 8505 8506 while (microcode_data_left > 0) { 8507 write_nic_byte(dev, 0x210010, *microcode_data++); 8508 write_nic_byte(dev, 0x210010, *microcode_data++); 8509 microcode_data_left -= 2; 8510 } 8511 8512 /* EN_CS_ACCESS bit to reset the control store pointer */ 8513 write_nic_byte(dev, 0x210000, 0x0); 8514 readl(reg); 8515 8516 /* Enable System (Reg 0) 8517 * first enable causes garbage in RX FIFO */ 8518 write_nic_byte(dev, 0x210000, 0x0); 8519 readl(reg); 8520 write_nic_byte(dev, 0x210000, 0x80); 8521 readl(reg); 8522 8523 /* Reset External Baseband Reg */ 8524 write_nic_word(dev, IPW2100_CONTROL_REG, 0x703); 8525 readl(reg); 8526 write_nic_word(dev, IPW2100_CONTROL_REG, 0x707); 8527 readl(reg); 8528 8529 /* HW Config (Reg 5) */ 8530 write_nic_byte(dev, 0x210014, 0x72); // fifo width =16 8531 readl(reg); 8532 write_nic_byte(dev, 0x210014, 0x72); // fifo width =16 8533 readl(reg); 8534 8535 /* Enable System (Reg 0) 8536 * second enable should be OK */ 8537 write_nic_byte(dev, 0x210000, 0x00); // clear enable system 8538 readl(reg); 8539 write_nic_byte(dev, 0x210000, 0x80); // set enable system 8540 8541 /* check Symbol is enabled - upped this from 5 as it wasn't always 8542 * catching the update */ 8543 for (i = 0; i < 10; i++) { 8544 udelay(10); 8545 8546 /* check Dino is enabled bit */ 8547 read_nic_byte(dev, 0x210000, &data); 8548 if (data & 0x1) 8549 break; 8550 } 8551 8552 if (i == 10) { 8553 printk(KERN_ERR DRV_NAME ": %s: Error initializing Symbol\n", 8554 dev->name); 8555 return -EIO; 8556 } 8557 8558 /* Get Symbol alive response */ 8559 for (i = 0; i < 30; i++) { 8560 /* Read alive response structure */ 8561 for (j = 0; 8562 j < (sizeof(struct symbol_alive_response) >> 1); j++) 8563 read_nic_word(dev, 0x210004, ((u16 *) & response) + j); 8564 8565 if ((response.cmd_id == 1) && (response.ucode_valid == 0x1)) 8566 break; 8567 udelay(10); 8568 } 8569 8570 if (i == 30) { 8571 printk(KERN_ERR DRV_NAME 8572 ": %s: No response from Symbol - hw not alive\n", 8573 dev->name); 8574 printk_buf(IPW_DL_ERROR, (u8 *) & response, sizeof(response)); 8575 return -EIO; 8576 } 8577 8578 return 0; 8579} 8580