1// SPDX-License-Identifier: GPL-2.0-only 2/*============================================================================= 3 * 4 * A PCMCIA client driver for the Raylink wireless LAN card. 5 * The starting point for this module was the skeleton.c in the 6 * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net 7 * 8 * Copyright (c) 1998 Corey Thomas (corey@world.std.com) 9 * 10 * Changes: 11 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000 12 * - reorganize kmallocs in ray_attach, checking all for failure 13 * and releasing the previous allocations if one fails 14 * 15 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003 16 * - Audit copy_to_user in ioctl(SIOCGIWESSID) 17 * 18=============================================================================*/ 19 20#include <linux/module.h> 21#include <linux/kernel.h> 22#include <linux/proc_fs.h> 23#include <linux/ptrace.h> 24#include <linux/seq_file.h> 25#include <linux/string.h> 26#include <linux/timer.h> 27#include <linux/init.h> 28#include <linux/netdevice.h> 29#include <linux/etherdevice.h> 30#include <linux/if_arp.h> 31#include <linux/ioport.h> 32#include <linux/skbuff.h> 33#include <linux/ieee80211.h> 34 35#include <pcmcia/cistpl.h> 36#include <pcmcia/cisreg.h> 37#include <pcmcia/ds.h> 38 39#include <linux/wireless.h> 40#include <net/iw_handler.h> 41 42#include <asm/io.h> 43#include <asm/byteorder.h> 44#include <linux/uaccess.h> 45 46/* Warning : these stuff will slow down the driver... */ 47#define WIRELESS_SPY /* Enable spying addresses */ 48/* Definitions we need for spy */ 49typedef struct iw_statistics iw_stats; 50typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */ 51 52#include "rayctl.h" 53#include "ray_cs.h" 54 55 56/** Prototypes based on PCMCIA skeleton driver *******************************/ 57static int ray_config(struct pcmcia_device *link); 58static void ray_release(struct pcmcia_device *link); 59static void ray_detach(struct pcmcia_device *p_dev); 60 61/***** Prototypes indicated by device structure ******************************/ 62static int ray_dev_close(struct net_device *dev); 63static int ray_dev_config(struct net_device *dev, struct ifmap *map); 64static struct net_device_stats *ray_get_stats(struct net_device *dev); 65static int ray_dev_init(struct net_device *dev); 66 67static int ray_open(struct net_device *dev); 68static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, 69 struct net_device *dev); 70static void set_multicast_list(struct net_device *dev); 71static void ray_update_multi_list(struct net_device *dev, int all); 72static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, 73 unsigned char *data, int len); 74static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, 75 UCHAR msg_type, unsigned char *data); 76static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len); 77static iw_stats *ray_get_wireless_stats(struct net_device *dev); 78static const struct iw_handler_def ray_handler_def; 79 80/***** Prototypes for raylink functions **************************************/ 81static void authenticate(ray_dev_t *local); 82static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type); 83static void authenticate_timeout(struct timer_list *t); 84static int get_free_ccs(ray_dev_t *local); 85static int get_free_tx_ccs(ray_dev_t *local); 86static void init_startup_params(ray_dev_t *local); 87static int parse_addr(char *in_str, UCHAR *out); 88static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type); 89static int ray_init(struct net_device *dev); 90static int interrupt_ecf(ray_dev_t *local, int ccs); 91static void ray_reset(struct net_device *dev); 92static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len); 93static void verify_dl_startup(struct timer_list *t); 94 95/* Prototypes for interrpt time functions **********************************/ 96static irqreturn_t ray_interrupt(int reg, void *dev_id); 97static void clear_interrupt(ray_dev_t *local); 98static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, 99 unsigned int pkt_addr, int rx_len); 100static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len); 101static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs); 102static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs); 103static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, 104 unsigned int pkt_addr, int rx_len); 105static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, 106 unsigned int pkt_addr, int rx_len); 107static void associate(ray_dev_t *local); 108 109/* Card command functions */ 110static int dl_startup_params(struct net_device *dev); 111static void join_net(struct timer_list *t); 112static void start_net(struct timer_list *t); 113 114/*===========================================================================*/ 115/* Parameters that can be set with 'insmod' */ 116 117/* ADHOC=0, Infrastructure=1 */ 118static int net_type = ADHOC; 119 120/* Hop dwell time in Kus (1024 us units defined by 802.11) */ 121static int hop_dwell = 128; 122 123/* Beacon period in Kus */ 124static int beacon_period = 256; 125 126/* power save mode (0 = off, 1 = save power) */ 127static int psm; 128 129/* String for network's Extended Service Set ID. 32 Characters max */ 130static char *essid; 131 132/* Default to encapsulation unless translation requested */ 133static bool translate = true; 134 135static int country = USA; 136 137static int sniffer; 138 139static int bc; 140 141/* 48 bit physical card address if overriding card's real physical 142 * address is required. Since IEEE 802.11 addresses are 48 bits 143 * like ethernet, an int can't be used, so a string is used. To 144 * allow use of addresses starting with a decimal digit, the first 145 * character must be a letter and will be ignored. This letter is 146 * followed by up to 12 hex digits which are the address. If less 147 * than 12 digits are used, the address will be left filled with 0's. 148 * Note that bit 0 of the first byte is the broadcast bit, and evil 149 * things will happen if it is not 0 in a card address. 150 */ 151static char *phy_addr = NULL; 152 153static unsigned int ray_mem_speed = 500; 154 155/* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ 156static struct pcmcia_device *this_device = NULL; 157 158MODULE_AUTHOR("Corey Thomas <corey@world.std.com>"); 159MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver"); 160MODULE_LICENSE("GPL"); 161 162module_param(net_type, int, 0); 163module_param(hop_dwell, int, 0); 164module_param(beacon_period, int, 0); 165module_param(psm, int, 0); 166module_param(essid, charp, 0); 167module_param(translate, bool, 0); 168module_param(country, int, 0); 169module_param(sniffer, int, 0); 170module_param(bc, int, 0); 171module_param(phy_addr, charp, 0); 172module_param(ray_mem_speed, int, 0); 173 174static const UCHAR b5_default_startup_parms[] = { 175 0, 0, /* Adhoc station */ 176 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ 177 0, 0, 0, 0, 0, 0, 0, 0, 178 0, 0, 0, 0, 0, 0, 0, 0, 179 0, 0, 0, 0, 0, 0, 0, 0, 180 1, 0, /* Active scan, CA Mode */ 181 0, 0, 0, 0, 0, 0, /* No default MAC addr */ 182 0x7f, 0xff, /* Frag threshold */ 183 0x00, 0x80, /* Hop time 128 Kus */ 184 0x01, 0x00, /* Beacon period 256 Kus */ 185 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ 186 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */ 187 0x7f, 0xff, /* RTS threshold */ 188 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */ 189 0x05, /* assoc resp timeout thresh */ 190 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */ 191 0, /* Promiscuous mode */ 192 0x0c, 0x0bd, /* Unique word */ 193 0x32, /* Slot time */ 194 0xff, 0xff, /* roam-low snr, low snr count */ 195 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ 196 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */ 197/* b4 - b5 differences start here */ 198 0x00, 0x3f, /* CW max */ 199 0x00, 0x0f, /* CW min */ 200 0x04, 0x08, /* Noise gain, limit offset */ 201 0x28, 0x28, /* det rssi, med busy offsets */ 202 7, /* det sync thresh */ 203 0, 2, 2, /* test mode, min, max */ 204 0, /* allow broadcast SSID probe resp */ 205 0, 0, /* privacy must start, can join */ 206 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */ 207}; 208 209static const UCHAR b4_default_startup_parms[] = { 210 0, 0, /* Adhoc station */ 211 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */ 212 0, 0, 0, 0, 0, 0, 0, 0, 213 0, 0, 0, 0, 0, 0, 0, 0, 214 0, 0, 0, 0, 0, 0, 0, 0, 215 1, 0, /* Active scan, CA Mode */ 216 0, 0, 0, 0, 0, 0, /* No default MAC addr */ 217 0x7f, 0xff, /* Frag threshold */ 218 0x02, 0x00, /* Hop time */ 219 0x00, 0x01, /* Beacon period */ 220 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */ 221 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */ 222 0x7f, 0xff, /* RTS threshold */ 223 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */ 224 0x05, /* assoc resp timeout thresh */ 225 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */ 226 0, /* Promiscuous mode */ 227 0x0c, 0x0bd, /* Unique word */ 228 0x4e, /* Slot time (TBD seems wrong) */ 229 0xff, 0xff, /* roam-low snr, low snr count */ 230 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ 231 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */ 232/* b4 - b5 differences start here */ 233 0x3f, 0x0f, /* CW max, min */ 234 0x04, 0x08, /* Noise gain, limit offset */ 235 0x28, 0x28, /* det rssi, med busy offsets */ 236 7, /* det sync thresh */ 237 0, 2, 2, /* test mode, min, max */ 238 0, /* rx/tx delay */ 239 0, 0, 0, 0, 0, 0, /* current BSS id */ 240 0 /* hop set */ 241}; 242 243/*===========================================================================*/ 244static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 }; 245 246static const char hop_pattern_length[] = { 1, 247 USA_HOP_MOD, EUROPE_HOP_MOD, 248 JAPAN_HOP_MOD, KOREA_HOP_MOD, 249 SPAIN_HOP_MOD, FRANCE_HOP_MOD, 250 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD, 251 JAPAN_TEST_HOP_MOD 252}; 253 254static const char rcsid[] = 255 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>"; 256 257static const struct net_device_ops ray_netdev_ops = { 258 .ndo_init = ray_dev_init, 259 .ndo_open = ray_open, 260 .ndo_stop = ray_dev_close, 261 .ndo_start_xmit = ray_dev_start_xmit, 262 .ndo_set_config = ray_dev_config, 263 .ndo_get_stats = ray_get_stats, 264 .ndo_set_rx_mode = set_multicast_list, 265 .ndo_set_mac_address = eth_mac_addr, 266 .ndo_validate_addr = eth_validate_addr, 267}; 268 269static int ray_probe(struct pcmcia_device *p_dev) 270{ 271 ray_dev_t *local; 272 struct net_device *dev; 273 int ret; 274 275 dev_dbg(&p_dev->dev, "ray_attach()\n"); 276 277 /* Allocate space for private device-specific data */ 278 dev = alloc_etherdev(sizeof(ray_dev_t)); 279 if (!dev) 280 return -ENOMEM; 281 282 local = netdev_priv(dev); 283 local->finder = p_dev; 284 285 /* The io structure describes IO port mapping. None used here */ 286 p_dev->resource[0]->end = 0; 287 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; 288 289 /* General socket configuration */ 290 p_dev->config_flags |= CONF_ENABLE_IRQ; 291 p_dev->config_index = 1; 292 293 p_dev->priv = dev; 294 295 local->finder = p_dev; 296 local->card_status = CARD_INSERTED; 297 local->authentication_state = UNAUTHENTICATED; 298 local->num_multi = 0; 299 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", 300 p_dev, dev, local, &ray_interrupt); 301 302 /* Raylink entries in the device structure */ 303 dev->netdev_ops = &ray_netdev_ops; 304 dev->wireless_handlers = &ray_handler_def; 305#ifdef WIRELESS_SPY 306 local->wireless_data.spy_data = &local->spy_data; 307 dev->wireless_data = &local->wireless_data; 308#endif /* WIRELESS_SPY */ 309 310 311 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n"); 312 netif_stop_queue(dev); 313 314 timer_setup(&local->timer, NULL, 0); 315 316 this_device = p_dev; 317 ret = ray_config(p_dev); 318 if (ret) 319 goto err_free_dev; 320 321 return 0; 322 323err_free_dev: 324 free_netdev(dev); 325 return ret; 326} 327 328static void ray_detach(struct pcmcia_device *link) 329{ 330 struct net_device *dev; 331 ray_dev_t *local; 332 333 dev_dbg(&link->dev, "ray_detach\n"); 334 335 this_device = NULL; 336 dev = link->priv; 337 338 ray_release(link); 339 340 local = netdev_priv(dev); 341 del_timer_sync(&local->timer); 342 343 if (link->priv) { 344 unregister_netdev(dev); 345 free_netdev(dev); 346 } 347 dev_dbg(&link->dev, "ray_cs ray_detach ending\n"); 348} /* ray_detach */ 349 350#define MAX_TUPLE_SIZE 128 351static int ray_config(struct pcmcia_device *link) 352{ 353 int ret = 0; 354 int i; 355 struct net_device *dev = (struct net_device *)link->priv; 356 ray_dev_t *local = netdev_priv(dev); 357 358 dev_dbg(&link->dev, "ray_config\n"); 359 360 /* Determine card type and firmware version */ 361 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n", 362 link->prod_id[0] ? link->prod_id[0] : " ", 363 link->prod_id[1] ? link->prod_id[1] : " ", 364 link->prod_id[2] ? link->prod_id[2] : " ", 365 link->prod_id[3] ? link->prod_id[3] : " "); 366 367 /* Now allocate an interrupt line. Note that this does not 368 actually assign a handler to the interrupt. 369 */ 370 ret = pcmcia_request_irq(link, ray_interrupt); 371 if (ret) 372 goto failed; 373 dev->irq = link->irq; 374 375 ret = pcmcia_enable_device(link); 376 if (ret) 377 goto failed; 378 379/*** Set up 32k window for shared memory (transmit and control) ************/ 380 link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; 381 link->resource[2]->start = 0; 382 link->resource[2]->end = 0x8000; 383 ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed); 384 if (ret) 385 goto failed; 386 ret = pcmcia_map_mem_page(link, link->resource[2], 0); 387 if (ret) 388 goto failed; 389 local->sram = ioremap(link->resource[2]->start, 390 resource_size(link->resource[2])); 391 if (!local->sram) 392 goto failed; 393 394/*** Set up 16k window for shared memory (receive buffer) ***************/ 395 link->resource[3]->flags |= 396 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; 397 link->resource[3]->start = 0; 398 link->resource[3]->end = 0x4000; 399 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed); 400 if (ret) 401 goto failed; 402 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000); 403 if (ret) 404 goto failed; 405 local->rmem = ioremap(link->resource[3]->start, 406 resource_size(link->resource[3])); 407 if (!local->rmem) 408 goto failed; 409 410/*** Set up window for attribute memory ***********************************/ 411 link->resource[4]->flags |= 412 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT; 413 link->resource[4]->start = 0; 414 link->resource[4]->end = 0x1000; 415 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed); 416 if (ret) 417 goto failed; 418 ret = pcmcia_map_mem_page(link, link->resource[4], 0); 419 if (ret) 420 goto failed; 421 local->amem = ioremap(link->resource[4]->start, 422 resource_size(link->resource[4])); 423 if (!local->amem) 424 goto failed; 425 426 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram); 427 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem); 428 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem); 429 if (ray_init(dev) < 0) { 430 ray_release(link); 431 return -ENODEV; 432 } 433 434 SET_NETDEV_DEV(dev, &link->dev); 435 i = register_netdev(dev); 436 if (i != 0) { 437 printk("ray_config register_netdev() failed\n"); 438 ray_release(link); 439 return i; 440 } 441 442 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n", 443 dev->name, dev->irq, dev->dev_addr); 444 445 return 0; 446 447failed: 448 ray_release(link); 449 return -ENODEV; 450} /* ray_config */ 451 452static inline struct ccs __iomem *ccs_base(ray_dev_t *dev) 453{ 454 return dev->sram + CCS_BASE; 455} 456 457static inline struct rcs __iomem *rcs_base(ray_dev_t *dev) 458{ 459 /* 460 * This looks nonsensical, since there is a separate 461 * RCS_BASE. But the difference between a "struct rcs" 462 * and a "struct ccs" ends up being in the _index_ off 463 * the base, so the base pointer is the same for both 464 * ccs/rcs. 465 */ 466 return dev->sram + CCS_BASE; 467} 468 469/*===========================================================================*/ 470static int ray_init(struct net_device *dev) 471{ 472 int i; 473 struct ccs __iomem *pccs; 474 ray_dev_t *local = netdev_priv(dev); 475 struct pcmcia_device *link = local->finder; 476 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev); 477 if (!(pcmcia_dev_present(link))) { 478 dev_dbg(&link->dev, "ray_init - device not present\n"); 479 return -1; 480 } 481 482 local->net_type = net_type; 483 local->sta_type = TYPE_STA; 484 485 /* Copy the startup results to local memory */ 486 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE, 487 sizeof(struct startup_res_6)); 488 489 /* Check Power up test status and get mac address from card */ 490 if (local->startup_res.startup_word != 0x80) { 491 printk(KERN_INFO "ray_init ERROR card status = %2x\n", 492 local->startup_res.startup_word); 493 local->card_status = CARD_INIT_ERROR; 494 return -1; 495 } 496 497 local->fw_ver = local->startup_res.firmware_version[0]; 498 local->fw_bld = local->startup_res.firmware_version[1]; 499 local->fw_var = local->startup_res.firmware_version[2]; 500 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver, 501 local->fw_bld); 502 503 local->tib_length = 0x20; 504 if ((local->fw_ver == 5) && (local->fw_bld >= 30)) 505 local->tib_length = local->startup_res.tib_length; 506 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length); 507 /* Initialize CCS's to buffer free state */ 508 pccs = ccs_base(local); 509 for (i = 0; i < NUMBER_OF_CCS; i++) { 510 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 511 } 512 init_startup_params(local); 513 514 /* copy mac address to startup parameters */ 515 if (!parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) { 516 memcpy(&local->sparm.b4.a_mac_addr, 517 &local->startup_res.station_addr, ADDRLEN); 518 } 519 520 clear_interrupt(local); /* Clear any interrupt from the card */ 521 local->card_status = CARD_AWAITING_PARAM; 522 dev_dbg(&link->dev, "ray_init ending\n"); 523 return 0; 524} /* ray_init */ 525 526/*===========================================================================*/ 527/* Download startup parameters to the card and command it to read them */ 528static int dl_startup_params(struct net_device *dev) 529{ 530 int ccsindex; 531 ray_dev_t *local = netdev_priv(dev); 532 struct ccs __iomem *pccs; 533 struct pcmcia_device *link = local->finder; 534 535 dev_dbg(&link->dev, "dl_startup_params entered\n"); 536 if (!(pcmcia_dev_present(link))) { 537 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n"); 538 return -1; 539 } 540 541 /* Copy parameters to host to ECF area */ 542 if (local->fw_ver == 0x55) 543 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4, 544 sizeof(struct b4_startup_params)); 545 else 546 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5, 547 sizeof(struct b5_startup_params)); 548 549 /* Fill in the CCS fields for the ECF */ 550 if ((ccsindex = get_free_ccs(local)) < 0) 551 return -1; 552 local->dl_param_ccs = ccsindex; 553 pccs = ccs_base(local) + ccsindex; 554 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd); 555 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n", 556 local->dl_param_ccs); 557 /* Interrupt the firmware to process the command */ 558 if (interrupt_ecf(local, ccsindex)) { 559 printk(KERN_INFO "ray dl_startup_params failed - " 560 "ECF not ready for intr\n"); 561 local->card_status = CARD_DL_PARAM_ERROR; 562 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 563 return -2; 564 } 565 local->card_status = CARD_DL_PARAM; 566 /* Start kernel timer to wait for dl startup to complete. */ 567 local->timer.expires = jiffies + HZ / 2; 568 local->timer.function = verify_dl_startup; 569 add_timer(&local->timer); 570 dev_dbg(&link->dev, 571 "ray_cs dl_startup_params started timer for verify_dl_startup\n"); 572 return 0; 573} /* dl_startup_params */ 574 575/*===========================================================================*/ 576static void init_startup_params(ray_dev_t *local) 577{ 578 int i; 579 580 if (country > JAPAN_TEST) 581 country = USA; 582 else if (country < USA) 583 country = USA; 584 /* structure for hop time and beacon period is defined here using 585 * New 802.11D6.1 format. Card firmware is still using old format 586 * until version 6. 587 * Before After 588 * a_hop_time ms byte a_hop_time ms byte 589 * a_hop_time 2s byte a_hop_time ls byte 590 * a_hop_time ls byte a_beacon_period ms byte 591 * a_beacon_period a_beacon_period ls byte 592 * 593 * a_hop_time = uS a_hop_time = KuS 594 * a_beacon_period = hops a_beacon_period = KuS 595 *//* 64ms = 010000 */ 596 if (local->fw_ver == 0x55) { 597 memcpy(&local->sparm.b4, b4_default_startup_parms, 598 sizeof(struct b4_startup_params)); 599 /* Translate sane kus input values to old build 4/5 format */ 600 /* i = hop time in uS truncated to 3 bytes */ 601 i = (hop_dwell * 1024) & 0xffffff; 602 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff; 603 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff; 604 local->sparm.b4.a_beacon_period[0] = 0; 605 local->sparm.b4.a_beacon_period[1] = 606 ((beacon_period / hop_dwell) - 1) & 0xff; 607 local->sparm.b4.a_curr_country_code = country; 608 local->sparm.b4.a_hop_pattern_length = 609 hop_pattern_length[(int)country] - 1; 610 if (bc) { 611 local->sparm.b4.a_ack_timeout = 0x50; 612 local->sparm.b4.a_sifs = 0x3f; 613 } 614 } else { /* Version 5 uses real kus values */ 615 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms, 616 sizeof(struct b5_startup_params)); 617 618 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff; 619 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff; 620 local->sparm.b5.a_beacon_period[0] = 621 (beacon_period >> 8) & 0xff; 622 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff; 623 if (psm) 624 local->sparm.b5.a_power_mgt_state = 1; 625 local->sparm.b5.a_curr_country_code = country; 626 local->sparm.b5.a_hop_pattern_length = 627 hop_pattern_length[(int)country]; 628 } 629 630 local->sparm.b4.a_network_type = net_type & 0x01; 631 local->sparm.b4.a_acting_as_ap_status = TYPE_STA; 632 633 if (essid != NULL) 634 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE); 635} /* init_startup_params */ 636 637/*===========================================================================*/ 638static void verify_dl_startup(struct timer_list *t) 639{ 640 ray_dev_t *local = from_timer(local, t, timer); 641 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; 642 UCHAR status; 643 struct pcmcia_device *link = local->finder; 644 645 if (!(pcmcia_dev_present(link))) { 646 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n"); 647 return; 648 } 649#if 0 650 { 651 int i; 652 printk(KERN_DEBUG 653 "verify_dl_startup parameters sent via ccs %d:\n", 654 local->dl_param_ccs); 655 for (i = 0; i < sizeof(struct b5_startup_params); i++) { 656 printk(" %2x", 657 (unsigned int)readb(local->sram + 658 HOST_TO_ECF_BASE + i)); 659 } 660 printk("\n"); 661 } 662#endif 663 664 status = readb(&pccs->buffer_status); 665 if (status != CCS_BUFFER_FREE) { 666 printk(KERN_INFO 667 "Download startup params failed. Status = %d\n", 668 status); 669 local->card_status = CARD_DL_PARAM_ERROR; 670 return; 671 } 672 if (local->sparm.b4.a_network_type == ADHOC) 673 start_net(&local->timer); 674 else 675 join_net(&local->timer); 676} /* end verify_dl_startup */ 677 678/*===========================================================================*/ 679/* Command card to start a network */ 680static void start_net(struct timer_list *t) 681{ 682 ray_dev_t *local = from_timer(local, t, timer); 683 struct ccs __iomem *pccs; 684 int ccsindex; 685 struct pcmcia_device *link = local->finder; 686 if (!(pcmcia_dev_present(link))) { 687 dev_dbg(&link->dev, "ray_cs start_net - device not present\n"); 688 return; 689 } 690 /* Fill in the CCS fields for the ECF */ 691 if ((ccsindex = get_free_ccs(local)) < 0) 692 return; 693 pccs = ccs_base(local) + ccsindex; 694 writeb(CCS_START_NETWORK, &pccs->cmd); 695 writeb(0, &pccs->var.start_network.update_param); 696 /* Interrupt the firmware to process the command */ 697 if (interrupt_ecf(local, ccsindex)) { 698 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n"); 699 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 700 return; 701 } 702 local->card_status = CARD_DOING_ACQ; 703} /* end start_net */ 704 705/*===========================================================================*/ 706/* Command card to join a network */ 707static void join_net(struct timer_list *t) 708{ 709 ray_dev_t *local = from_timer(local, t, timer); 710 711 struct ccs __iomem *pccs; 712 int ccsindex; 713 struct pcmcia_device *link = local->finder; 714 715 if (!(pcmcia_dev_present(link))) { 716 dev_dbg(&link->dev, "ray_cs join_net - device not present\n"); 717 return; 718 } 719 /* Fill in the CCS fields for the ECF */ 720 if ((ccsindex = get_free_ccs(local)) < 0) 721 return; 722 pccs = ccs_base(local) + ccsindex; 723 writeb(CCS_JOIN_NETWORK, &pccs->cmd); 724 writeb(0, &pccs->var.join_network.update_param); 725 writeb(0, &pccs->var.join_network.net_initiated); 726 /* Interrupt the firmware to process the command */ 727 if (interrupt_ecf(local, ccsindex)) { 728 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n"); 729 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 730 return; 731 } 732 local->card_status = CARD_DOING_ACQ; 733} 734 735 736static void ray_release(struct pcmcia_device *link) 737{ 738 struct net_device *dev = link->priv; 739 ray_dev_t *local = netdev_priv(dev); 740 741 dev_dbg(&link->dev, "ray_release\n"); 742 743 del_timer(&local->timer); 744 745 iounmap(local->sram); 746 iounmap(local->rmem); 747 iounmap(local->amem); 748 pcmcia_disable_device(link); 749 750 dev_dbg(&link->dev, "ray_release ending\n"); 751} 752 753static int ray_suspend(struct pcmcia_device *link) 754{ 755 struct net_device *dev = link->priv; 756 757 if (link->open) 758 netif_device_detach(dev); 759 760 return 0; 761} 762 763static int ray_resume(struct pcmcia_device *link) 764{ 765 struct net_device *dev = link->priv; 766 767 if (link->open) { 768 ray_reset(dev); 769 netif_device_attach(dev); 770 } 771 772 return 0; 773} 774 775/*===========================================================================*/ 776static int ray_dev_init(struct net_device *dev) 777{ 778#ifdef RAY_IMMEDIATE_INIT 779 int i; 780#endif /* RAY_IMMEDIATE_INIT */ 781 ray_dev_t *local = netdev_priv(dev); 782 struct pcmcia_device *link = local->finder; 783 784 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev); 785 if (!(pcmcia_dev_present(link))) { 786 dev_dbg(&link->dev, "ray_dev_init - device not present\n"); 787 return -1; 788 } 789#ifdef RAY_IMMEDIATE_INIT 790 /* Download startup parameters */ 791 if ((i = dl_startup_params(dev)) < 0) { 792 printk(KERN_INFO "ray_dev_init dl_startup_params failed - " 793 "returns 0x%x\n", i); 794 return -1; 795 } 796#else /* RAY_IMMEDIATE_INIT */ 797 /* Postpone the card init so that we can still configure the card, 798 * for example using the Wireless Extensions. The init will happen 799 * in ray_open() - Jean II */ 800 dev_dbg(&link->dev, 801 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n", 802 local->card_status); 803#endif /* RAY_IMMEDIATE_INIT */ 804 805 /* copy mac and broadcast addresses to linux device */ 806 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN); 807 eth_broadcast_addr(dev->broadcast); 808 809 dev_dbg(&link->dev, "ray_dev_init ending\n"); 810 return 0; 811} 812 813/*===========================================================================*/ 814static int ray_dev_config(struct net_device *dev, struct ifmap *map) 815{ 816 ray_dev_t *local = netdev_priv(dev); 817 struct pcmcia_device *link = local->finder; 818 /* Dummy routine to satisfy device structure */ 819 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map); 820 if (!(pcmcia_dev_present(link))) { 821 dev_dbg(&link->dev, "ray_dev_config - device not present\n"); 822 return -1; 823 } 824 825 return 0; 826} 827 828/*===========================================================================*/ 829static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, 830 struct net_device *dev) 831{ 832 ray_dev_t *local = netdev_priv(dev); 833 struct pcmcia_device *link = local->finder; 834 short length = skb->len; 835 836 if (!pcmcia_dev_present(link)) { 837 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n"); 838 dev_kfree_skb(skb); 839 return NETDEV_TX_OK; 840 } 841 842 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev); 843 if (local->authentication_state == NEED_TO_AUTH) { 844 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n"); 845 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) { 846 local->authentication_state = AUTHENTICATED; 847 netif_stop_queue(dev); 848 return NETDEV_TX_BUSY; 849 } 850 } 851 852 if (length < ETH_ZLEN) { 853 if (skb_padto(skb, ETH_ZLEN)) 854 return NETDEV_TX_OK; 855 length = ETH_ZLEN; 856 } 857 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) { 858 case XMIT_NO_CCS: 859 case XMIT_NEED_AUTH: 860 netif_stop_queue(dev); 861 return NETDEV_TX_BUSY; 862 case XMIT_NO_INTR: 863 case XMIT_MSG_BAD: 864 case XMIT_OK: 865 default: 866 dev_kfree_skb(skb); 867 } 868 869 return NETDEV_TX_OK; 870} /* ray_dev_start_xmit */ 871 872/*===========================================================================*/ 873static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, 874 UCHAR msg_type) 875{ 876 ray_dev_t *local = netdev_priv(dev); 877 struct ccs __iomem *pccs; 878 int ccsindex; 879 int offset; 880 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */ 881 short int addr; /* Address of xmit buffer in card space */ 882 883 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev); 884 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) { 885 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n", 886 len); 887 return XMIT_MSG_BAD; 888 } 889 switch (ccsindex = get_free_tx_ccs(local)) { 890 case ECCSBUSY: 891 pr_debug("ray_hw_xmit tx_ccs table busy\n"); 892 /* fall through */ 893 case ECCSFULL: 894 pr_debug("ray_hw_xmit No free tx ccs\n"); 895 /* fall through */ 896 case ECARDGONE: 897 netif_stop_queue(dev); 898 return XMIT_NO_CCS; 899 default: 900 break; 901 } 902 addr = TX_BUF_BASE + (ccsindex << 11); 903 904 if (msg_type == DATA_TYPE) { 905 local->stats.tx_bytes += len; 906 local->stats.tx_packets++; 907 } 908 909 ptx = local->sram + addr; 910 911 ray_build_header(local, ptx, msg_type, data); 912 if (translate) { 913 offset = translate_frame(local, ptx, data, len); 914 } else { /* Encapsulate frame */ 915 /* TBD TIB length will move address of ptx->var */ 916 memcpy_toio(&ptx->var, data, len); 917 offset = 0; 918 } 919 920 /* fill in the CCS */ 921 pccs = ccs_base(local) + ccsindex; 922 len += TX_HEADER_LENGTH + offset; 923 writeb(CCS_TX_REQUEST, &pccs->cmd); 924 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]); 925 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]); 926 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]); 927 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]); 928/* TBD still need psm_cam? */ 929 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode); 930 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate); 931 writeb(0, &pccs->var.tx_request.antenna); 932 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n", 933 local->net_default_tx_rate); 934 935 /* Interrupt the firmware to process the command */ 936 if (interrupt_ecf(local, ccsindex)) { 937 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n"); 938/* TBD very inefficient to copy packet to buffer, and then not 939 send it, but the alternative is to queue the messages and that 940 won't be done for a while. Maybe set tbusy until a CCS is free? 941*/ 942 writeb(CCS_BUFFER_FREE, &pccs->buffer_status); 943 return XMIT_NO_INTR; 944 } 945 return XMIT_OK; 946} /* end ray_hw_xmit */ 947 948/*===========================================================================*/ 949static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, 950 unsigned char *data, int len) 951{ 952 __be16 proto = ((struct ethhdr *)data)->h_proto; 953 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */ 954 pr_debug("ray_cs translate_frame DIX II\n"); 955 /* Copy LLC header to card buffer */ 956 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc)); 957 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc), 958 (UCHAR *) &proto, 2); 959 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) { 960 /* This is the selective translation table, only 2 entries */ 961 writeb(0xf8, 962 &((struct snaphdr_t __iomem *)ptx->var)->org[2]); 963 } 964 /* Copy body of ethernet packet without ethernet header */ 965 memcpy_toio((void __iomem *)&ptx->var + 966 sizeof(struct snaphdr_t), data + ETH_HLEN, 967 len - ETH_HLEN); 968 return (int)sizeof(struct snaphdr_t) - ETH_HLEN; 969 } else { /* already 802 type, and proto is length */ 970 pr_debug("ray_cs translate_frame 802\n"); 971 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */ 972 pr_debug("ray_cs translate_frame evil IPX\n"); 973 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); 974 return 0 - ETH_HLEN; 975 } 976 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); 977 return 0 - ETH_HLEN; 978 } 979 /* TBD do other frame types */ 980} /* end translate_frame */ 981 982/*===========================================================================*/ 983static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, 984 UCHAR msg_type, unsigned char *data) 985{ 986 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1); 987/*** IEEE 802.11 Address field assignments ************* 988 TODS FROMDS addr_1 addr_2 addr_3 addr_4 989Adhoc 0 0 dest src (terminal) BSSID N/A 990AP to Terminal 0 1 dest AP(BSSID) source N/A 991Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A 992AP to AP 1 1 dest AP src AP dest source 993*******************************************************/ 994 if (local->net_type == ADHOC) { 995 writeb(0, &ptx->mac.frame_ctl_2); 996 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, 997 2 * ADDRLEN); 998 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); 999 } else { /* infrastructure */ 1000 1001 if (local->sparm.b4.a_acting_as_ap_status) { 1002 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2); 1003 memcpy_toio(ptx->mac.addr_1, 1004 ((struct ethhdr *)data)->h_dest, ADDRLEN); 1005 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6); 1006 memcpy_toio(ptx->mac.addr_3, 1007 ((struct ethhdr *)data)->h_source, ADDRLEN); 1008 } else { /* Terminal */ 1009 1010 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2); 1011 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN); 1012 memcpy_toio(ptx->mac.addr_2, 1013 ((struct ethhdr *)data)->h_source, ADDRLEN); 1014 memcpy_toio(ptx->mac.addr_3, 1015 ((struct ethhdr *)data)->h_dest, ADDRLEN); 1016 } 1017 } 1018} /* end encapsulate_frame */ 1019 1020/*====================================================================*/ 1021 1022/*------------------------------------------------------------------*/ 1023/* 1024 * Wireless Handler : get protocol name 1025 */ 1026static int ray_get_name(struct net_device *dev, struct iw_request_info *info, 1027 union iwreq_data *wrqu, char *extra) 1028{ 1029 strcpy(wrqu->name, "IEEE 802.11-FH"); 1030 return 0; 1031} 1032 1033/*------------------------------------------------------------------*/ 1034/* 1035 * Wireless Handler : set frequency 1036 */ 1037static int ray_set_freq(struct net_device *dev, struct iw_request_info *info, 1038 union iwreq_data *wrqu, char *extra) 1039{ 1040 ray_dev_t *local = netdev_priv(dev); 1041 int err = -EINPROGRESS; /* Call commit handler */ 1042 1043 /* Reject if card is already initialised */ 1044 if (local->card_status != CARD_AWAITING_PARAM) 1045 return -EBUSY; 1046 1047 /* Setting by channel number */ 1048 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0)) 1049 err = -EOPNOTSUPP; 1050 else 1051 local->sparm.b5.a_hop_pattern = wrqu->freq.m; 1052 1053 return err; 1054} 1055 1056/*------------------------------------------------------------------*/ 1057/* 1058 * Wireless Handler : get frequency 1059 */ 1060static int ray_get_freq(struct net_device *dev, struct iw_request_info *info, 1061 union iwreq_data *wrqu, char *extra) 1062{ 1063 ray_dev_t *local = netdev_priv(dev); 1064 1065 wrqu->freq.m = local->sparm.b5.a_hop_pattern; 1066 wrqu->freq.e = 0; 1067 return 0; 1068} 1069 1070/*------------------------------------------------------------------*/ 1071/* 1072 * Wireless Handler : set ESSID 1073 */ 1074static int ray_set_essid(struct net_device *dev, struct iw_request_info *info, 1075 union iwreq_data *wrqu, char *extra) 1076{ 1077 ray_dev_t *local = netdev_priv(dev); 1078 1079 /* Reject if card is already initialised */ 1080 if (local->card_status != CARD_AWAITING_PARAM) 1081 return -EBUSY; 1082 1083 /* Check if we asked for `any' */ 1084 if (wrqu->essid.flags == 0) 1085 /* Corey : can you do that ? */ 1086 return -EOPNOTSUPP; 1087 1088 /* Check the size of the string */ 1089 if (wrqu->essid.length > IW_ESSID_MAX_SIZE) 1090 return -E2BIG; 1091 1092 /* Set the ESSID in the card */ 1093 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE); 1094 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length); 1095 1096 return -EINPROGRESS; /* Call commit handler */ 1097} 1098 1099/*------------------------------------------------------------------*/ 1100/* 1101 * Wireless Handler : get ESSID 1102 */ 1103static int ray_get_essid(struct net_device *dev, struct iw_request_info *info, 1104 union iwreq_data *wrqu, char *extra) 1105{ 1106 ray_dev_t *local = netdev_priv(dev); 1107 UCHAR tmp[IW_ESSID_MAX_SIZE + 1]; 1108 1109 /* Get the essid that was set */ 1110 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); 1111 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); 1112 tmp[IW_ESSID_MAX_SIZE] = '\0'; 1113 1114 /* Push it out ! */ 1115 wrqu->essid.length = strlen(tmp); 1116 wrqu->essid.flags = 1; /* active */ 1117 1118 return 0; 1119} 1120 1121/*------------------------------------------------------------------*/ 1122/* 1123 * Wireless Handler : get AP address 1124 */ 1125static int ray_get_wap(struct net_device *dev, struct iw_request_info *info, 1126 union iwreq_data *wrqu, char *extra) 1127{ 1128 ray_dev_t *local = netdev_priv(dev); 1129 1130 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN); 1131 wrqu->ap_addr.sa_family = ARPHRD_ETHER; 1132 1133 return 0; 1134} 1135 1136/*------------------------------------------------------------------*/ 1137/* 1138 * Wireless Handler : set Bit-Rate 1139 */ 1140static int ray_set_rate(struct net_device *dev, struct iw_request_info *info, 1141 union iwreq_data *wrqu, char *extra) 1142{ 1143 ray_dev_t *local = netdev_priv(dev); 1144 1145 /* Reject if card is already initialised */ 1146 if (local->card_status != CARD_AWAITING_PARAM) 1147 return -EBUSY; 1148 1149 /* Check if rate is in range */ 1150 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000)) 1151 return -EINVAL; 1152 1153 /* Hack for 1.5 Mb/s instead of 2 Mb/s */ 1154 if ((local->fw_ver == 0x55) && /* Please check */ 1155 (wrqu->bitrate.value == 2000000)) 1156 local->net_default_tx_rate = 3; 1157 else 1158 local->net_default_tx_rate = wrqu->bitrate.value / 500000; 1159 1160 return 0; 1161} 1162 1163/*------------------------------------------------------------------*/ 1164/* 1165 * Wireless Handler : get Bit-Rate 1166 */ 1167static int ray_get_rate(struct net_device *dev, struct iw_request_info *info, 1168 union iwreq_data *wrqu, char *extra) 1169{ 1170 ray_dev_t *local = netdev_priv(dev); 1171 1172 if (local->net_default_tx_rate == 3) 1173 wrqu->bitrate.value = 2000000; /* Hum... */ 1174 else 1175 wrqu->bitrate.value = local->net_default_tx_rate * 500000; 1176 wrqu->bitrate.fixed = 0; /* We are in auto mode */ 1177 1178 return 0; 1179} 1180 1181/*------------------------------------------------------------------*/ 1182/* 1183 * Wireless Handler : set RTS threshold 1184 */ 1185static int ray_set_rts(struct net_device *dev, struct iw_request_info *info, 1186 union iwreq_data *wrqu, char *extra) 1187{ 1188 ray_dev_t *local = netdev_priv(dev); 1189 int rthr = wrqu->rts.value; 1190 1191 /* Reject if card is already initialised */ 1192 if (local->card_status != CARD_AWAITING_PARAM) 1193 return -EBUSY; 1194 1195 /* if(wrq->u.rts.fixed == 0) we should complain */ 1196 if (wrqu->rts.disabled) 1197 rthr = 32767; 1198 else { 1199 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */ 1200 return -EINVAL; 1201 } 1202 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF; 1203 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF; 1204 1205 return -EINPROGRESS; /* Call commit handler */ 1206} 1207 1208/*------------------------------------------------------------------*/ 1209/* 1210 * Wireless Handler : get RTS threshold 1211 */ 1212static int ray_get_rts(struct net_device *dev, struct iw_request_info *info, 1213 union iwreq_data *wrqu, char *extra) 1214{ 1215 ray_dev_t *local = netdev_priv(dev); 1216 1217 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8) 1218 + local->sparm.b5.a_rts_threshold[1]; 1219 wrqu->rts.disabled = (wrqu->rts.value == 32767); 1220 wrqu->rts.fixed = 1; 1221 1222 return 0; 1223} 1224 1225/*------------------------------------------------------------------*/ 1226/* 1227 * Wireless Handler : set Fragmentation threshold 1228 */ 1229static int ray_set_frag(struct net_device *dev, struct iw_request_info *info, 1230 union iwreq_data *wrqu, char *extra) 1231{ 1232 ray_dev_t *local = netdev_priv(dev); 1233 int fthr = wrqu->frag.value; 1234 1235 /* Reject if card is already initialised */ 1236 if (local->card_status != CARD_AWAITING_PARAM) 1237 return -EBUSY; 1238 1239 /* if(wrq->u.frag.fixed == 0) should complain */ 1240 if (wrqu->frag.disabled) 1241 fthr = 32767; 1242 else { 1243 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */ 1244 return -EINVAL; 1245 } 1246 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF; 1247 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF; 1248 1249 return -EINPROGRESS; /* Call commit handler */ 1250} 1251 1252/*------------------------------------------------------------------*/ 1253/* 1254 * Wireless Handler : get Fragmentation threshold 1255 */ 1256static int ray_get_frag(struct net_device *dev, struct iw_request_info *info, 1257 union iwreq_data *wrqu, char *extra) 1258{ 1259 ray_dev_t *local = netdev_priv(dev); 1260 1261 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8) 1262 + local->sparm.b5.a_frag_threshold[1]; 1263 wrqu->frag.disabled = (wrqu->frag.value == 32767); 1264 wrqu->frag.fixed = 1; 1265 1266 return 0; 1267} 1268 1269/*------------------------------------------------------------------*/ 1270/* 1271 * Wireless Handler : set Mode of Operation 1272 */ 1273static int ray_set_mode(struct net_device *dev, struct iw_request_info *info, 1274 union iwreq_data *wrqu, char *extra) 1275{ 1276 ray_dev_t *local = netdev_priv(dev); 1277 int err = -EINPROGRESS; /* Call commit handler */ 1278 char card_mode = 1; 1279 1280 /* Reject if card is already initialised */ 1281 if (local->card_status != CARD_AWAITING_PARAM) 1282 return -EBUSY; 1283 1284 switch (wrqu->mode) { 1285 case IW_MODE_ADHOC: 1286 card_mode = 0; 1287 /* Fall through */ 1288 case IW_MODE_INFRA: 1289 local->sparm.b5.a_network_type = card_mode; 1290 break; 1291 default: 1292 err = -EINVAL; 1293 } 1294 1295 return err; 1296} 1297 1298/*------------------------------------------------------------------*/ 1299/* 1300 * Wireless Handler : get Mode of Operation 1301 */ 1302static int ray_get_mode(struct net_device *dev, struct iw_request_info *info, 1303 union iwreq_data *wrqu, char *extra) 1304{ 1305 ray_dev_t *local = netdev_priv(dev); 1306 1307 if (local->sparm.b5.a_network_type) 1308 wrqu->mode = IW_MODE_INFRA; 1309 else 1310 wrqu->mode = IW_MODE_ADHOC; 1311 1312 return 0; 1313} 1314 1315/*------------------------------------------------------------------*/ 1316/* 1317 * Wireless Handler : get range info 1318 */ 1319static int ray_get_range(struct net_device *dev, struct iw_request_info *info, 1320 union iwreq_data *wrqu, char *extra) 1321{ 1322 struct iw_range *range = (struct iw_range *)extra; 1323 1324 memset(range, 0, sizeof(struct iw_range)); 1325 1326 /* Set the length (very important for backward compatibility) */ 1327 wrqu->data.length = sizeof(struct iw_range); 1328 1329 /* Set the Wireless Extension versions */ 1330 range->we_version_compiled = WIRELESS_EXT; 1331 range->we_version_source = 9; 1332 1333 /* Set information in the range struct */ 1334 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */ 1335 range->num_channels = hop_pattern_length[(int)country]; 1336 range->num_frequency = 0; 1337 range->max_qual.qual = 0; 1338 range->max_qual.level = 255; /* What's the correct value ? */ 1339 range->max_qual.noise = 255; /* Idem */ 1340 range->num_bitrates = 2; 1341 range->bitrate[0] = 1000000; /* 1 Mb/s */ 1342 range->bitrate[1] = 2000000; /* 2 Mb/s */ 1343 return 0; 1344} 1345 1346/*------------------------------------------------------------------*/ 1347/* 1348 * Wireless Private Handler : set framing mode 1349 */ 1350static int ray_set_framing(struct net_device *dev, struct iw_request_info *info, 1351 union iwreq_data *wrqu, char *extra) 1352{ 1353 translate = !!*(extra); /* Set framing mode */ 1354 1355 return 0; 1356} 1357 1358/*------------------------------------------------------------------*/ 1359/* 1360 * Wireless Private Handler : get framing mode 1361 */ 1362static int ray_get_framing(struct net_device *dev, struct iw_request_info *info, 1363 union iwreq_data *wrqu, char *extra) 1364{ 1365 *(extra) = translate; 1366 1367 return 0; 1368} 1369 1370/*------------------------------------------------------------------*/ 1371/* 1372 * Wireless Private Handler : get country 1373 */ 1374static int ray_get_country(struct net_device *dev, struct iw_request_info *info, 1375 union iwreq_data *wrqu, char *extra) 1376{ 1377 *(extra) = country; 1378 1379 return 0; 1380} 1381 1382/*------------------------------------------------------------------*/ 1383/* 1384 * Commit handler : called after a bunch of SET operations 1385 */ 1386static int ray_commit(struct net_device *dev, struct iw_request_info *info, 1387 union iwreq_data *wrqu, char *extra) 1388{ 1389 return 0; 1390} 1391 1392/*------------------------------------------------------------------*/ 1393/* 1394 * Stats handler : return Wireless Stats 1395 */ 1396static iw_stats *ray_get_wireless_stats(struct net_device *dev) 1397{ 1398 ray_dev_t *local = netdev_priv(dev); 1399 struct pcmcia_device *link = local->finder; 1400 struct status __iomem *p = local->sram + STATUS_BASE; 1401 1402 local->wstats.status = local->card_status; 1403#ifdef WIRELESS_SPY 1404 if ((local->spy_data.spy_number > 0) 1405 && (local->sparm.b5.a_network_type == 0)) { 1406 /* Get it from the first node in spy list */ 1407 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual; 1408 local->wstats.qual.level = local->spy_data.spy_stat[0].level; 1409 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise; 1410 local->wstats.qual.updated = 1411 local->spy_data.spy_stat[0].updated; 1412 } 1413#endif /* WIRELESS_SPY */ 1414 1415 if (pcmcia_dev_present(link)) { 1416 local->wstats.qual.noise = readb(&p->rxnoise); 1417 local->wstats.qual.updated |= 4; 1418 } 1419 1420 return &local->wstats; 1421} /* end ray_get_wireless_stats */ 1422 1423/*------------------------------------------------------------------*/ 1424/* 1425 * Structures to export the Wireless Handlers 1426 */ 1427 1428static const iw_handler ray_handler[] = { 1429 IW_HANDLER(SIOCSIWCOMMIT, ray_commit), 1430 IW_HANDLER(SIOCGIWNAME, ray_get_name), 1431 IW_HANDLER(SIOCSIWFREQ, ray_set_freq), 1432 IW_HANDLER(SIOCGIWFREQ, ray_get_freq), 1433 IW_HANDLER(SIOCSIWMODE, ray_set_mode), 1434 IW_HANDLER(SIOCGIWMODE, ray_get_mode), 1435 IW_HANDLER(SIOCGIWRANGE, ray_get_range), 1436#ifdef WIRELESS_SPY 1437 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), 1438 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), 1439 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), 1440 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), 1441#endif /* WIRELESS_SPY */ 1442 IW_HANDLER(SIOCGIWAP, ray_get_wap), 1443 IW_HANDLER(SIOCSIWESSID, ray_set_essid), 1444 IW_HANDLER(SIOCGIWESSID, ray_get_essid), 1445 IW_HANDLER(SIOCSIWRATE, ray_set_rate), 1446 IW_HANDLER(SIOCGIWRATE, ray_get_rate), 1447 IW_HANDLER(SIOCSIWRTS, ray_set_rts), 1448 IW_HANDLER(SIOCGIWRTS, ray_get_rts), 1449 IW_HANDLER(SIOCSIWFRAG, ray_set_frag), 1450 IW_HANDLER(SIOCGIWFRAG, ray_get_frag), 1451}; 1452 1453#define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */ 1454#define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */ 1455#define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */ 1456 1457static const iw_handler ray_private_handler[] = { 1458 [0] = ray_set_framing, 1459 [1] = ray_get_framing, 1460 [3] = ray_get_country, 1461}; 1462 1463static const struct iw_priv_args ray_private_args[] = { 1464/* cmd, set_args, get_args, name */ 1465 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, 1466 "set_framing"}, 1467 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 1468 "get_framing"}, 1469 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 1470 "get_country"}, 1471}; 1472 1473static const struct iw_handler_def ray_handler_def = { 1474 .num_standard = ARRAY_SIZE(ray_handler), 1475 .num_private = ARRAY_SIZE(ray_private_handler), 1476 .num_private_args = ARRAY_SIZE(ray_private_args), 1477 .standard = ray_handler, 1478 .private = ray_private_handler, 1479 .private_args = ray_private_args, 1480 .get_wireless_stats = ray_get_wireless_stats, 1481}; 1482 1483/*===========================================================================*/ 1484static int ray_open(struct net_device *dev) 1485{ 1486 ray_dev_t *local = netdev_priv(dev); 1487 struct pcmcia_device *link; 1488 link = local->finder; 1489 1490 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name); 1491 1492 if (link->open == 0) 1493 local->num_multi = 0; 1494 link->open++; 1495 1496 /* If the card is not started, time to start it ! - Jean II */ 1497 if (local->card_status == CARD_AWAITING_PARAM) { 1498 int i; 1499 1500 dev_dbg(&link->dev, "ray_open: doing init now !\n"); 1501 1502 /* Download startup parameters */ 1503 if ((i = dl_startup_params(dev)) < 0) { 1504 printk(KERN_INFO 1505 "ray_dev_init dl_startup_params failed - " 1506 "returns 0x%x\n", i); 1507 return -1; 1508 } 1509 } 1510 1511 if (sniffer) 1512 netif_stop_queue(dev); 1513 else 1514 netif_start_queue(dev); 1515 1516 dev_dbg(&link->dev, "ray_open ending\n"); 1517 return 0; 1518} /* end ray_open */ 1519 1520/*===========================================================================*/ 1521static int ray_dev_close(struct net_device *dev) 1522{ 1523 ray_dev_t *local = netdev_priv(dev); 1524 struct pcmcia_device *link; 1525 link = local->finder; 1526 1527 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name); 1528 1529 link->open--; 1530 netif_stop_queue(dev); 1531 1532 /* In here, we should stop the hardware (stop card from beeing active) 1533 * and set local->card_status to CARD_AWAITING_PARAM, so that while the 1534 * card is closed we can chage its configuration. 1535 * Probably also need a COR reset to get sane state - Jean II */ 1536 1537 return 0; 1538} /* end ray_dev_close */ 1539 1540/*===========================================================================*/ 1541static void ray_reset(struct net_device *dev) 1542{ 1543 pr_debug("ray_reset entered\n"); 1544} 1545 1546/*===========================================================================*/ 1547/* Cause a firmware interrupt if it is ready for one */ 1548/* Return nonzero if not ready */ 1549static int interrupt_ecf(ray_dev_t *local, int ccs) 1550{ 1551 int i = 50; 1552 struct pcmcia_device *link = local->finder; 1553 1554 if (!(pcmcia_dev_present(link))) { 1555 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n"); 1556 return -1; 1557 } 1558 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs); 1559 1560 while (i && 1561 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & 1562 ECF_INTR_SET)) 1563 i--; 1564 if (i == 0) { 1565 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n"); 1566 return -1; 1567 } 1568 /* Fill the mailbox, then kick the card */ 1569 writeb(ccs, local->sram + SCB_BASE); 1570 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET); 1571 return 0; 1572} /* interrupt_ecf */ 1573 1574/*===========================================================================*/ 1575/* Get next free transmit CCS */ 1576/* Return - index of current tx ccs */ 1577static int get_free_tx_ccs(ray_dev_t *local) 1578{ 1579 int i; 1580 struct ccs __iomem *pccs = ccs_base(local); 1581 struct pcmcia_device *link = local->finder; 1582 1583 if (!(pcmcia_dev_present(link))) { 1584 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n"); 1585 return ECARDGONE; 1586 } 1587 1588 if (test_and_set_bit(0, &local->tx_ccs_lock)) { 1589 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n"); 1590 return ECCSBUSY; 1591 } 1592 1593 for (i = 0; i < NUMBER_OF_TX_CCS; i++) { 1594 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { 1595 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); 1596 writeb(CCS_END_LIST, &(pccs + i)->link); 1597 local->tx_ccs_lock = 0; 1598 return i; 1599 } 1600 } 1601 local->tx_ccs_lock = 0; 1602 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n"); 1603 return ECCSFULL; 1604} /* get_free_tx_ccs */ 1605 1606/*===========================================================================*/ 1607/* Get next free CCS */ 1608/* Return - index of current ccs */ 1609static int get_free_ccs(ray_dev_t *local) 1610{ 1611 int i; 1612 struct ccs __iomem *pccs = ccs_base(local); 1613 struct pcmcia_device *link = local->finder; 1614 1615 if (!(pcmcia_dev_present(link))) { 1616 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n"); 1617 return ECARDGONE; 1618 } 1619 if (test_and_set_bit(0, &local->ccs_lock)) { 1620 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n"); 1621 return ECCSBUSY; 1622 } 1623 1624 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) { 1625 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) { 1626 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status); 1627 writeb(CCS_END_LIST, &(pccs + i)->link); 1628 local->ccs_lock = 0; 1629 return i; 1630 } 1631 } 1632 local->ccs_lock = 0; 1633 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n"); 1634 return ECCSFULL; 1635} /* get_free_ccs */ 1636 1637/*===========================================================================*/ 1638static void authenticate_timeout(struct timer_list *t) 1639{ 1640 ray_dev_t *local = from_timer(local, t, timer); 1641 del_timer(&local->timer); 1642 printk(KERN_INFO "ray_cs Authentication with access point failed" 1643 " - timeout\n"); 1644 join_net(&local->timer); 1645} 1646 1647/*===========================================================================*/ 1648static int parse_addr(char *in_str, UCHAR *out) 1649{ 1650 int i, k; 1651 int len; 1652 1653 if (in_str == NULL) 1654 return 0; 1655 len = strnlen(in_str, ADDRLEN * 2 + 1) - 1; 1656 if (len < 1) 1657 return 0; 1658 memset(out, 0, ADDRLEN); 1659 1660 i = 5; 1661 1662 while (len > 0) { 1663 if ((k = hex_to_bin(in_str[len--])) != -1) 1664 out[i] = k; 1665 else 1666 return 0; 1667 1668 if (len == 0) 1669 break; 1670 if ((k = hex_to_bin(in_str[len--])) != -1) 1671 out[i] += k << 4; 1672 else 1673 return 0; 1674 if (!i--) 1675 break; 1676 } 1677 return 1; 1678} 1679 1680/*===========================================================================*/ 1681static struct net_device_stats *ray_get_stats(struct net_device *dev) 1682{ 1683 ray_dev_t *local = netdev_priv(dev); 1684 struct pcmcia_device *link = local->finder; 1685 struct status __iomem *p = local->sram + STATUS_BASE; 1686 if (!(pcmcia_dev_present(link))) { 1687 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n"); 1688 return &local->stats; 1689 } 1690 if (readb(&p->mrx_overflow_for_host)) { 1691 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow)); 1692 writeb(0, &p->mrx_overflow); 1693 writeb(0, &p->mrx_overflow_for_host); 1694 } 1695 if (readb(&p->mrx_checksum_error_for_host)) { 1696 local->stats.rx_crc_errors += 1697 swab16(readw(&p->mrx_checksum_error)); 1698 writeb(0, &p->mrx_checksum_error); 1699 writeb(0, &p->mrx_checksum_error_for_host); 1700 } 1701 if (readb(&p->rx_hec_error_for_host)) { 1702 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error)); 1703 writeb(0, &p->rx_hec_error); 1704 writeb(0, &p->rx_hec_error_for_host); 1705 } 1706 return &local->stats; 1707} 1708 1709/*===========================================================================*/ 1710static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, 1711 int len) 1712{ 1713 ray_dev_t *local = netdev_priv(dev); 1714 struct pcmcia_device *link = local->finder; 1715 int ccsindex; 1716 int i; 1717 struct ccs __iomem *pccs; 1718 1719 if (!(pcmcia_dev_present(link))) { 1720 dev_dbg(&link->dev, "ray_update_parm - device not present\n"); 1721 return; 1722 } 1723 1724 if ((ccsindex = get_free_ccs(local)) < 0) { 1725 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n"); 1726 return; 1727 } 1728 pccs = ccs_base(local) + ccsindex; 1729 writeb(CCS_UPDATE_PARAMS, &pccs->cmd); 1730 writeb(objid, &pccs->var.update_param.object_id); 1731 writeb(1, &pccs->var.update_param.number_objects); 1732 writeb(0, &pccs->var.update_param.failure_cause); 1733 for (i = 0; i < len; i++) { 1734 writeb(value[i], local->sram + HOST_TO_ECF_BASE); 1735 } 1736 /* Interrupt the firmware to process the command */ 1737 if (interrupt_ecf(local, ccsindex)) { 1738 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); 1739 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 1740 } 1741} 1742 1743/*===========================================================================*/ 1744static void ray_update_multi_list(struct net_device *dev, int all) 1745{ 1746 int ccsindex; 1747 struct ccs __iomem *pccs; 1748 ray_dev_t *local = netdev_priv(dev); 1749 struct pcmcia_device *link = local->finder; 1750 void __iomem *p = local->sram + HOST_TO_ECF_BASE; 1751 1752 if (!(pcmcia_dev_present(link))) { 1753 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n"); 1754 return; 1755 } else 1756 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev); 1757 if ((ccsindex = get_free_ccs(local)) < 0) { 1758 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n"); 1759 return; 1760 } 1761 pccs = ccs_base(local) + ccsindex; 1762 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd); 1763 1764 if (all) { 1765 writeb(0xff, &pccs->var); 1766 local->num_multi = 0xff; 1767 } else { 1768 struct netdev_hw_addr *ha; 1769 int i = 0; 1770 1771 /* Copy the kernel's list of MC addresses to card */ 1772 netdev_for_each_mc_addr(ha, dev) { 1773 memcpy_toio(p, ha->addr, ETH_ALEN); 1774 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n", 1775 ha->addr); 1776 p += ETH_ALEN; 1777 i++; 1778 } 1779 if (i > 256 / ADDRLEN) 1780 i = 256 / ADDRLEN; 1781 writeb((UCHAR) i, &pccs->var); 1782 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i); 1783 /* Interrupt the firmware to process the command */ 1784 local->num_multi = i; 1785 } 1786 if (interrupt_ecf(local, ccsindex)) { 1787 dev_dbg(&link->dev, 1788 "ray_cs update_multi failed - ECF not ready for intr\n"); 1789 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 1790 } 1791} /* end ray_update_multi_list */ 1792 1793/*===========================================================================*/ 1794static void set_multicast_list(struct net_device *dev) 1795{ 1796 ray_dev_t *local = netdev_priv(dev); 1797 UCHAR promisc; 1798 1799 pr_debug("ray_cs set_multicast_list(%p)\n", dev); 1800 1801 if (dev->flags & IFF_PROMISC) { 1802 if (local->sparm.b5.a_promiscuous_mode == 0) { 1803 pr_debug("ray_cs set_multicast_list promisc on\n"); 1804 local->sparm.b5.a_promiscuous_mode = 1; 1805 promisc = 1; 1806 ray_update_parm(dev, OBJID_promiscuous_mode, 1807 &promisc, sizeof(promisc)); 1808 } 1809 } else { 1810 if (local->sparm.b5.a_promiscuous_mode == 1) { 1811 pr_debug("ray_cs set_multicast_list promisc off\n"); 1812 local->sparm.b5.a_promiscuous_mode = 0; 1813 promisc = 0; 1814 ray_update_parm(dev, OBJID_promiscuous_mode, 1815 &promisc, sizeof(promisc)); 1816 } 1817 } 1818 1819 if (dev->flags & IFF_ALLMULTI) 1820 ray_update_multi_list(dev, 1); 1821 else { 1822 if (local->num_multi != netdev_mc_count(dev)) 1823 ray_update_multi_list(dev, 0); 1824 } 1825} /* end set_multicast_list */ 1826 1827/*============================================================================= 1828 * All routines below here are run at interrupt time. 1829=============================================================================*/ 1830static irqreturn_t ray_interrupt(int irq, void *dev_id) 1831{ 1832 struct net_device *dev = (struct net_device *)dev_id; 1833 struct pcmcia_device *link; 1834 ray_dev_t *local; 1835 struct ccs __iomem *pccs; 1836 struct rcs __iomem *prcs; 1837 UCHAR rcsindex; 1838 UCHAR tmp; 1839 UCHAR cmd; 1840 UCHAR status; 1841 UCHAR memtmp[ESSID_SIZE + 1]; 1842 1843 1844 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */ 1845 return IRQ_NONE; 1846 1847 pr_debug("ray_cs: interrupt for *dev=%p\n", dev); 1848 1849 local = netdev_priv(dev); 1850 link = local->finder; 1851 if (!pcmcia_dev_present(link)) { 1852 pr_debug( 1853 "ray_cs interrupt from device not present or suspended.\n"); 1854 return IRQ_NONE; 1855 } 1856 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index); 1857 1858 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { 1859 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex); 1860 clear_interrupt(local); 1861 return IRQ_HANDLED; 1862 } 1863 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */ 1864 pccs = ccs_base(local) + rcsindex; 1865 cmd = readb(&pccs->cmd); 1866 status = readb(&pccs->buffer_status); 1867 switch (cmd) { 1868 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */ 1869 del_timer(&local->timer); 1870 if (status == CCS_COMMAND_COMPLETE) { 1871 dev_dbg(&link->dev, 1872 "ray_cs interrupt download_startup_parameters OK\n"); 1873 } else { 1874 dev_dbg(&link->dev, 1875 "ray_cs interrupt download_startup_parameters fail\n"); 1876 } 1877 break; 1878 case CCS_UPDATE_PARAMS: 1879 dev_dbg(&link->dev, "ray_cs interrupt update params done\n"); 1880 if (status != CCS_COMMAND_COMPLETE) { 1881 tmp = 1882 readb(&pccs->var.update_param. 1883 failure_cause); 1884 dev_dbg(&link->dev, 1885 "ray_cs interrupt update params failed - reason %d\n", 1886 tmp); 1887 } 1888 break; 1889 case CCS_REPORT_PARAMS: 1890 dev_dbg(&link->dev, "ray_cs interrupt report params done\n"); 1891 break; 1892 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */ 1893 dev_dbg(&link->dev, 1894 "ray_cs interrupt CCS Update Multicast List done\n"); 1895 break; 1896 case CCS_UPDATE_POWER_SAVINGS_MODE: 1897 dev_dbg(&link->dev, 1898 "ray_cs interrupt update power save mode done\n"); 1899 break; 1900 case CCS_START_NETWORK: 1901 case CCS_JOIN_NETWORK: 1902 memcpy(memtmp, local->sparm.b4.a_current_ess_id, 1903 ESSID_SIZE); 1904 memtmp[ESSID_SIZE] = '\0'; 1905 1906 if (status == CCS_COMMAND_COMPLETE) { 1907 if (readb 1908 (&pccs->var.start_network.net_initiated) == 1909 1) { 1910 dev_dbg(&link->dev, 1911 "ray_cs interrupt network \"%s\" started\n", 1912 memtmp); 1913 } else { 1914 dev_dbg(&link->dev, 1915 "ray_cs interrupt network \"%s\" joined\n", 1916 memtmp); 1917 } 1918 memcpy_fromio(&local->bss_id, 1919 pccs->var.start_network.bssid, 1920 ADDRLEN); 1921 1922 if (local->fw_ver == 0x55) 1923 local->net_default_tx_rate = 3; 1924 else 1925 local->net_default_tx_rate = 1926 readb(&pccs->var.start_network. 1927 net_default_tx_rate); 1928 local->encryption = 1929 readb(&pccs->var.start_network.encryption); 1930 if (!sniffer && (local->net_type == INFRA) 1931 && !(local->sparm.b4.a_acting_as_ap_status)) { 1932 authenticate(local); 1933 } 1934 local->card_status = CARD_ACQ_COMPLETE; 1935 } else { 1936 local->card_status = CARD_ACQ_FAILED; 1937 1938 del_timer(&local->timer); 1939 local->timer.expires = jiffies + HZ * 5; 1940 if (status == CCS_START_NETWORK) { 1941 dev_dbg(&link->dev, 1942 "ray_cs interrupt network \"%s\" start failed\n", 1943 memtmp); 1944 local->timer.function = start_net; 1945 } else { 1946 dev_dbg(&link->dev, 1947 "ray_cs interrupt network \"%s\" join failed\n", 1948 memtmp); 1949 local->timer.function = join_net; 1950 } 1951 add_timer(&local->timer); 1952 } 1953 break; 1954 case CCS_START_ASSOCIATION: 1955 if (status == CCS_COMMAND_COMPLETE) { 1956 local->card_status = CARD_ASSOC_COMPLETE; 1957 dev_dbg(&link->dev, "ray_cs association successful\n"); 1958 } else { 1959 dev_dbg(&link->dev, "ray_cs association failed,\n"); 1960 local->card_status = CARD_ASSOC_FAILED; 1961 join_net(&local->timer); 1962 } 1963 break; 1964 case CCS_TX_REQUEST: 1965 if (status == CCS_COMMAND_COMPLETE) { 1966 dev_dbg(&link->dev, 1967 "ray_cs interrupt tx request complete\n"); 1968 } else { 1969 dev_dbg(&link->dev, 1970 "ray_cs interrupt tx request failed\n"); 1971 } 1972 if (!sniffer) 1973 netif_start_queue(dev); 1974 netif_wake_queue(dev); 1975 break; 1976 case CCS_TEST_MEMORY: 1977 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n"); 1978 break; 1979 case CCS_SHUTDOWN: 1980 dev_dbg(&link->dev, 1981 "ray_cs interrupt Unexpected CCS returned - Shutdown\n"); 1982 break; 1983 case CCS_DUMP_MEMORY: 1984 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n"); 1985 break; 1986 case CCS_START_TIMER: 1987 dev_dbg(&link->dev, 1988 "ray_cs interrupt DING - raylink timer expired\n"); 1989 break; 1990 default: 1991 dev_dbg(&link->dev, 1992 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n", 1993 rcsindex, cmd); 1994 } 1995 writeb(CCS_BUFFER_FREE, &pccs->buffer_status); 1996 } else { /* It's an RCS */ 1997 1998 prcs = rcs_base(local) + rcsindex; 1999 2000 switch (readb(&prcs->interrupt_id)) { 2001 case PROCESS_RX_PACKET: 2002 ray_rx(dev, local, prcs); 2003 break; 2004 case REJOIN_NET_COMPLETE: 2005 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n"); 2006 local->card_status = CARD_ACQ_COMPLETE; 2007 /* do we need to clear tx buffers CCS's? */ 2008 if (local->sparm.b4.a_network_type == ADHOC) { 2009 if (!sniffer) 2010 netif_start_queue(dev); 2011 } else { 2012 memcpy_fromio(&local->bss_id, 2013 prcs->var.rejoin_net_complete. 2014 bssid, ADDRLEN); 2015 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n", 2016 local->bss_id); 2017 if (!sniffer) 2018 authenticate(local); 2019 } 2020 break; 2021 case ROAMING_INITIATED: 2022 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n"); 2023 netif_stop_queue(dev); 2024 local->card_status = CARD_DOING_ACQ; 2025 break; 2026 case JAPAN_CALL_SIGN_RXD: 2027 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n"); 2028 break; 2029 default: 2030 dev_dbg(&link->dev, 2031 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n", 2032 rcsindex, 2033 (unsigned int)readb(&prcs->interrupt_id)); 2034 break; 2035 } 2036 writeb(CCS_BUFFER_FREE, &prcs->buffer_status); 2037 } 2038 clear_interrupt(local); 2039 return IRQ_HANDLED; 2040} /* ray_interrupt */ 2041 2042/*===========================================================================*/ 2043static void ray_rx(struct net_device *dev, ray_dev_t *local, 2044 struct rcs __iomem *prcs) 2045{ 2046 int rx_len; 2047 unsigned int pkt_addr; 2048 void __iomem *pmsg; 2049 pr_debug("ray_rx process rx packet\n"); 2050 2051 /* Calculate address of packet within Rx buffer */ 2052 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8) 2053 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END; 2054 /* Length of first packet fragment */ 2055 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8) 2056 + readb(&prcs->var.rx_packet.rx_data_length[1]); 2057 2058 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev); 2059 pmsg = local->rmem + pkt_addr; 2060 switch (readb(pmsg)) { 2061 case DATA_TYPE: 2062 pr_debug("ray_rx data type\n"); 2063 rx_data(dev, prcs, pkt_addr, rx_len); 2064 break; 2065 case AUTHENTIC_TYPE: 2066 pr_debug("ray_rx authentic type\n"); 2067 if (sniffer) 2068 rx_data(dev, prcs, pkt_addr, rx_len); 2069 else 2070 rx_authenticate(local, prcs, pkt_addr, rx_len); 2071 break; 2072 case DEAUTHENTIC_TYPE: 2073 pr_debug("ray_rx deauth type\n"); 2074 if (sniffer) 2075 rx_data(dev, prcs, pkt_addr, rx_len); 2076 else 2077 rx_deauthenticate(local, prcs, pkt_addr, rx_len); 2078 break; 2079 case NULL_MSG_TYPE: 2080 pr_debug("ray_cs rx NULL msg\n"); 2081 break; 2082 case BEACON_TYPE: 2083 pr_debug("ray_rx beacon type\n"); 2084 if (sniffer) 2085 rx_data(dev, prcs, pkt_addr, rx_len); 2086 2087 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr, 2088 rx_len < sizeof(struct beacon_rx) ? 2089 rx_len : sizeof(struct beacon_rx)); 2090 2091 local->beacon_rxed = 1; 2092 /* Get the statistics so the card counters never overflow */ 2093 ray_get_stats(dev); 2094 break; 2095 default: 2096 pr_debug("ray_cs unknown pkt type %2x\n", 2097 (unsigned int)readb(pmsg)); 2098 break; 2099 } 2100 2101} /* end ray_rx */ 2102 2103/*===========================================================================*/ 2104static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, 2105 unsigned int pkt_addr, int rx_len) 2106{ 2107 struct sk_buff *skb = NULL; 2108 struct rcs __iomem *prcslink = prcs; 2109 ray_dev_t *local = netdev_priv(dev); 2110 UCHAR *rx_ptr; 2111 int total_len; 2112 int tmp; 2113#ifdef WIRELESS_SPY 2114 int siglev = local->last_rsl; 2115 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */ 2116#endif 2117 2118 if (!sniffer) { 2119 if (translate) { 2120/* TBD length needs fixing for translated header */ 2121 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || 2122 rx_len > 2123 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + 2124 FCS_LEN)) { 2125 pr_debug( 2126 "ray_cs invalid packet length %d received\n", 2127 rx_len); 2128 return; 2129 } 2130 } else { /* encapsulated ethernet */ 2131 2132 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || 2133 rx_len > 2134 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + 2135 FCS_LEN)) { 2136 pr_debug( 2137 "ray_cs invalid packet length %d received\n", 2138 rx_len); 2139 return; 2140 } 2141 } 2142 } 2143 pr_debug("ray_cs rx_data packet\n"); 2144 /* If fragmented packet, verify sizes of fragments add up */ 2145 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { 2146 pr_debug("ray_cs rx'ed fragment\n"); 2147 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8) 2148 + readb(&prcs->var.rx_packet.totalpacketlength[1]); 2149 total_len = tmp; 2150 prcslink = prcs; 2151 do { 2152 tmp -= 2153 (readb(&prcslink->var.rx_packet.rx_data_length[0]) 2154 << 8) 2155 + readb(&prcslink->var.rx_packet.rx_data_length[1]); 2156 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) 2157 == 0xFF || tmp < 0) 2158 break; 2159 prcslink = rcs_base(local) 2160 + readb(&prcslink->link_field); 2161 } while (1); 2162 2163 if (tmp < 0) { 2164 pr_debug( 2165 "ray_cs rx_data fragment lengths don't add up\n"); 2166 local->stats.rx_dropped++; 2167 release_frag_chain(local, prcs); 2168 return; 2169 } 2170 } else { /* Single unfragmented packet */ 2171 total_len = rx_len; 2172 } 2173 2174 skb = dev_alloc_skb(total_len + 5); 2175 if (skb == NULL) { 2176 pr_debug("ray_cs rx_data could not allocate skb\n"); 2177 local->stats.rx_dropped++; 2178 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) 2179 release_frag_chain(local, prcs); 2180 return; 2181 } 2182 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */ 2183 2184 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len, 2185 rx_len); 2186 2187/************************/ 2188 /* Reserve enough room for the whole damn packet. */ 2189 rx_ptr = skb_put(skb, total_len); 2190 /* Copy the whole packet to sk_buff */ 2191 rx_ptr += 2192 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len); 2193 /* Get source address */ 2194#ifdef WIRELESS_SPY 2195 skb_copy_from_linear_data_offset(skb, 2196 offsetof(struct mac_header, addr_2), 2197 linksrcaddr, ETH_ALEN); 2198#endif 2199 /* Now, deal with encapsulation/translation/sniffer */ 2200 if (!sniffer) { 2201 if (!translate) { 2202 /* Encapsulated ethernet, so just lop off 802.11 MAC header */ 2203/* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */ 2204 skb_pull(skb, RX_MAC_HEADER_LENGTH); 2205 } else { 2206 /* Do translation */ 2207 untranslate(local, skb, total_len); 2208 } 2209 } else { /* sniffer mode, so just pass whole packet */ 2210 } 2211 2212/************************/ 2213 /* Now pick up the rest of the fragments if any */ 2214 tmp = 17; 2215 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { 2216 prcslink = prcs; 2217 pr_debug("ray_cs rx_data in fragment loop\n"); 2218 do { 2219 prcslink = rcs_base(local) 2220 + 2221 readb(&prcslink->var.rx_packet.next_frag_rcs_index); 2222 rx_len = 2223 ((readb(&prcslink->var.rx_packet.rx_data_length[0]) 2224 << 8) 2225 + 2226 readb(&prcslink->var.rx_packet.rx_data_length[1])) 2227 & RX_BUFF_END; 2228 pkt_addr = 2229 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << 2230 8) 2231 + readb(&prcslink->var.rx_packet.rx_data_ptr[1])) 2232 & RX_BUFF_END; 2233 2234 rx_ptr += 2235 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len); 2236 2237 } while (tmp-- && 2238 readb(&prcslink->var.rx_packet.next_frag_rcs_index) != 2239 0xFF); 2240 release_frag_chain(local, prcs); 2241 } 2242 2243 skb->protocol = eth_type_trans(skb, dev); 2244 netif_rx(skb); 2245 local->stats.rx_packets++; 2246 local->stats.rx_bytes += total_len; 2247 2248 /* Gather signal strength per address */ 2249#ifdef WIRELESS_SPY 2250 /* For the Access Point or the node having started the ad-hoc net 2251 * note : ad-hoc work only in some specific configurations, but we 2252 * kludge in ray_get_wireless_stats... */ 2253 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) { 2254 /* Update statistics */ 2255 /*local->wstats.qual.qual = none ? */ 2256 local->wstats.qual.level = siglev; 2257 /*local->wstats.qual.noise = none ? */ 2258 local->wstats.qual.updated = 0x2; 2259 } 2260 /* Now, update the spy stuff */ 2261 { 2262 struct iw_quality wstats; 2263 wstats.level = siglev; 2264 /* wstats.noise = none ? */ 2265 /* wstats.qual = none ? */ 2266 wstats.updated = 0x2; 2267 /* Update spy records */ 2268 wireless_spy_update(dev, linksrcaddr, &wstats); 2269 } 2270#endif /* WIRELESS_SPY */ 2271} /* end rx_data */ 2272 2273/*===========================================================================*/ 2274static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len) 2275{ 2276 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH); 2277 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data; 2278 __be16 type = *(__be16 *) psnap->ethertype; 2279 int delta; 2280 struct ethhdr *peth; 2281 UCHAR srcaddr[ADDRLEN]; 2282 UCHAR destaddr[ADDRLEN]; 2283 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 }; 2284 static const UCHAR org_1042[3] = { 0, 0, 0 }; 2285 2286 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN); 2287 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN); 2288 2289#if 0 2290 if { 2291 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ", 2292 DUMP_PREFIX_NONE, 16, 1, 2293 skb->data, 64, true); 2294 printk(KERN_DEBUG 2295 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n", 2296 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl, 2297 psnap->org[0], psnap->org[1], psnap->org[2]); 2298 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data); 2299 } 2300#endif 2301 2302 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) { 2303 /* not a snap type so leave it alone */ 2304 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n", 2305 psnap->dsap, psnap->ssap, psnap->ctrl); 2306 2307 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; 2308 peth = (struct ethhdr *)(skb->data + delta); 2309 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH); 2310 } else { /* Its a SNAP */ 2311 if (memcmp(psnap->org, org_bridge, 3) == 0) { 2312 /* EtherII and nuke the LLC */ 2313 pr_debug("ray_cs untranslate Bridge encap\n"); 2314 delta = RX_MAC_HEADER_LENGTH 2315 + sizeof(struct snaphdr_t) - ETH_HLEN; 2316 peth = (struct ethhdr *)(skb->data + delta); 2317 peth->h_proto = type; 2318 } else if (memcmp(psnap->org, org_1042, 3) == 0) { 2319 switch (ntohs(type)) { 2320 case ETH_P_IPX: 2321 case ETH_P_AARP: 2322 pr_debug("ray_cs untranslate RFC IPX/AARP\n"); 2323 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; 2324 peth = (struct ethhdr *)(skb->data + delta); 2325 peth->h_proto = 2326 htons(len - RX_MAC_HEADER_LENGTH); 2327 break; 2328 default: 2329 pr_debug("ray_cs untranslate RFC default\n"); 2330 delta = RX_MAC_HEADER_LENGTH + 2331 sizeof(struct snaphdr_t) - ETH_HLEN; 2332 peth = (struct ethhdr *)(skb->data + delta); 2333 peth->h_proto = type; 2334 break; 2335 } 2336 } else { 2337 printk("ray_cs untranslate very confused by packet\n"); 2338 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; 2339 peth = (struct ethhdr *)(skb->data + delta); 2340 peth->h_proto = type; 2341 } 2342 } 2343/* TBD reserve skb_reserve(skb, delta); */ 2344 skb_pull(skb, delta); 2345 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta, 2346 skb->data); 2347 memcpy(peth->h_dest, destaddr, ADDRLEN); 2348 memcpy(peth->h_source, srcaddr, ADDRLEN); 2349#if 0 2350 { 2351 int i; 2352 printk(KERN_DEBUG "skb->data after untranslate:"); 2353 for (i = 0; i < 64; i++) 2354 printk("%02x ", skb->data[i]); 2355 printk("\n"); 2356 } 2357#endif 2358} /* end untranslate */ 2359 2360/*===========================================================================*/ 2361/* Copy data from circular receive buffer to PC memory. 2362 * dest = destination address in PC memory 2363 * pkt_addr = source address in receive buffer 2364 * len = length of packet to copy 2365 */ 2366static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, 2367 int length) 2368{ 2369 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1); 2370 if (wrap_bytes <= 0) { 2371 memcpy_fromio(dest, local->rmem + pkt_addr, length); 2372 } else { /* Packet wrapped in circular buffer */ 2373 2374 memcpy_fromio(dest, local->rmem + pkt_addr, 2375 length - wrap_bytes); 2376 memcpy_fromio(dest + length - wrap_bytes, local->rmem, 2377 wrap_bytes); 2378 } 2379 return length; 2380} 2381 2382/*===========================================================================*/ 2383static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs) 2384{ 2385 struct rcs __iomem *prcslink = prcs; 2386 int tmp = 17; 2387 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index); 2388 2389 while (tmp--) { 2390 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); 2391 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { 2392 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n", 2393 rcsindex); 2394 break; 2395 } 2396 prcslink = rcs_base(local) + rcsindex; 2397 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index); 2398 } 2399 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); 2400} 2401 2402/*===========================================================================*/ 2403static void authenticate(ray_dev_t *local) 2404{ 2405 struct pcmcia_device *link = local->finder; 2406 dev_dbg(&link->dev, "ray_cs Starting authentication.\n"); 2407 if (!(pcmcia_dev_present(link))) { 2408 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n"); 2409 return; 2410 } 2411 2412 del_timer(&local->timer); 2413 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) { 2414 local->timer.function = join_net; 2415 } else { 2416 local->timer.function = authenticate_timeout; 2417 } 2418 local->timer.expires = jiffies + HZ * 2; 2419 add_timer(&local->timer); 2420 local->authentication_state = AWAITING_RESPONSE; 2421} /* end authenticate */ 2422 2423/*===========================================================================*/ 2424static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, 2425 unsigned int pkt_addr, int rx_len) 2426{ 2427 UCHAR buff[256]; 2428 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff; 2429 2430 del_timer(&local->timer); 2431 2432 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); 2433 /* if we are trying to get authenticated */ 2434 if (local->sparm.b4.a_network_type == ADHOC) { 2435 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", 2436 msg->var[0], msg->var[1], msg->var[2], msg->var[3], 2437 msg->var[4], msg->var[5]); 2438 if (msg->var[2] == 1) { 2439 pr_debug("ray_cs Sending authentication response.\n"); 2440 if (!build_auth_frame 2441 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) { 2442 local->authentication_state = NEED_TO_AUTH; 2443 memcpy(local->auth_id, msg->mac.addr_2, 2444 ADDRLEN); 2445 } 2446 } 2447 } else { /* Infrastructure network */ 2448 2449 if (local->authentication_state == AWAITING_RESPONSE) { 2450 /* Verify authentication sequence #2 and success */ 2451 if (msg->var[2] == 2) { 2452 if ((msg->var[3] | msg->var[4]) == 0) { 2453 pr_debug("Authentication successful\n"); 2454 local->card_status = CARD_AUTH_COMPLETE; 2455 associate(local); 2456 local->authentication_state = 2457 AUTHENTICATED; 2458 } else { 2459 pr_debug("Authentication refused\n"); 2460 local->card_status = CARD_AUTH_REFUSED; 2461 join_net(&local->timer); 2462 local->authentication_state = 2463 UNAUTHENTICATED; 2464 } 2465 } 2466 } 2467 } 2468 2469} /* end rx_authenticate */ 2470 2471/*===========================================================================*/ 2472static void associate(ray_dev_t *local) 2473{ 2474 struct ccs __iomem *pccs; 2475 struct pcmcia_device *link = local->finder; 2476 struct net_device *dev = link->priv; 2477 int ccsindex; 2478 if (!(pcmcia_dev_present(link))) { 2479 dev_dbg(&link->dev, "ray_cs associate - device not present\n"); 2480 return; 2481 } 2482 /* If no tx buffers available, return */ 2483 if ((ccsindex = get_free_ccs(local)) < 0) { 2484/* TBD should never be here but... what if we are? */ 2485 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n"); 2486 return; 2487 } 2488 dev_dbg(&link->dev, "ray_cs Starting association with access point\n"); 2489 pccs = ccs_base(local) + ccsindex; 2490 /* fill in the CCS */ 2491 writeb(CCS_START_ASSOCIATION, &pccs->cmd); 2492 /* Interrupt the firmware to process the command */ 2493 if (interrupt_ecf(local, ccsindex)) { 2494 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n"); 2495 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 2496 2497 del_timer(&local->timer); 2498 local->timer.expires = jiffies + HZ * 2; 2499 local->timer.function = join_net; 2500 add_timer(&local->timer); 2501 local->card_status = CARD_ASSOC_FAILED; 2502 return; 2503 } 2504 if (!sniffer) 2505 netif_start_queue(dev); 2506 2507} /* end associate */ 2508 2509/*===========================================================================*/ 2510static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, 2511 unsigned int pkt_addr, int rx_len) 2512{ 2513/* UCHAR buff[256]; 2514 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff; 2515*/ 2516 pr_debug("Deauthentication frame received\n"); 2517 local->authentication_state = UNAUTHENTICATED; 2518 /* Need to reauthenticate or rejoin depending on reason code */ 2519/* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); 2520 */ 2521} 2522 2523/*===========================================================================*/ 2524static void clear_interrupt(ray_dev_t *local) 2525{ 2526 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET); 2527} 2528 2529/*===========================================================================*/ 2530#ifdef CONFIG_PROC_FS 2531#define MAXDATA (PAGE_SIZE - 80) 2532 2533static const char *card_status[] = { 2534 "Card inserted - uninitialized", /* 0 */ 2535 "Card not downloaded", /* 1 */ 2536 "Waiting for download parameters", /* 2 */ 2537 "Card doing acquisition", /* 3 */ 2538 "Acquisition complete", /* 4 */ 2539 "Authentication complete", /* 5 */ 2540 "Association complete", /* 6 */ 2541 "???", "???", "???", "???", /* 7 8 9 10 undefined */ 2542 "Card init error", /* 11 */ 2543 "Download parameters error", /* 12 */ 2544 "???", /* 13 */ 2545 "Acquisition failed", /* 14 */ 2546 "Authentication refused", /* 15 */ 2547 "Association failed" /* 16 */ 2548}; 2549 2550static const char *nettype[] = { "Adhoc", "Infra " }; 2551static const char *framing[] = { "Encapsulation", "Translation" } 2552 2553; 2554/*===========================================================================*/ 2555static int ray_cs_proc_show(struct seq_file *m, void *v) 2556{ 2557/* Print current values which are not available via other means 2558 * eg ifconfig 2559 */ 2560 int i; 2561 struct pcmcia_device *link; 2562 struct net_device *dev; 2563 ray_dev_t *local; 2564 UCHAR *p; 2565 struct freq_hop_element *pfh; 2566 UCHAR c[33]; 2567 2568 link = this_device; 2569 if (!link) 2570 return 0; 2571 dev = (struct net_device *)link->priv; 2572 if (!dev) 2573 return 0; 2574 local = netdev_priv(dev); 2575 if (!local) 2576 return 0; 2577 2578 seq_puts(m, "Raylink Wireless LAN driver status\n"); 2579 seq_printf(m, "%s\n", rcsid); 2580 /* build 4 does not report version, and field is 0x55 after memtest */ 2581 seq_puts(m, "Firmware version = "); 2582 if (local->fw_ver == 0x55) 2583 seq_puts(m, "4 - Use dump_cis for more details\n"); 2584 else 2585 seq_printf(m, "%2d.%02d.%02d\n", 2586 local->fw_ver, local->fw_bld, local->fw_var); 2587 2588 for (i = 0; i < 32; i++) 2589 c[i] = local->sparm.b5.a_current_ess_id[i]; 2590 c[32] = 0; 2591 seq_printf(m, "%s network ESSID = \"%s\"\n", 2592 nettype[local->sparm.b5.a_network_type], c); 2593 2594 p = local->bss_id; 2595 seq_printf(m, "BSSID = %pM\n", p); 2596 2597 seq_printf(m, "Country code = %d\n", 2598 local->sparm.b5.a_curr_country_code); 2599 2600 i = local->card_status; 2601 if (i < 0) 2602 i = 10; 2603 if (i > 16) 2604 i = 10; 2605 seq_printf(m, "Card status = %s\n", card_status[i]); 2606 2607 seq_printf(m, "Framing mode = %s\n", framing[translate]); 2608 2609 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl); 2610 2611 if (local->beacon_rxed) { 2612 /* Pull some fields out of last beacon received */ 2613 seq_printf(m, "Beacon Interval = %d Kus\n", 2614 local->last_bcn.beacon_intvl[0] 2615 + 256 * local->last_bcn.beacon_intvl[1]); 2616 2617 p = local->last_bcn.elements; 2618 if (p[0] == C_ESSID_ELEMENT_ID) 2619 p += p[1] + 2; 2620 else { 2621 seq_printf(m, 2622 "Parse beacon failed at essid element id = %d\n", 2623 p[0]); 2624 return 0; 2625 } 2626 2627 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) { 2628 seq_puts(m, "Supported rate codes = "); 2629 for (i = 2; i < p[1] + 2; i++) 2630 seq_printf(m, "0x%02x ", p[i]); 2631 seq_putc(m, '\n'); 2632 p += p[1] + 2; 2633 } else { 2634 seq_puts(m, "Parse beacon failed at rates element\n"); 2635 return 0; 2636 } 2637 2638 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) { 2639 pfh = (struct freq_hop_element *)p; 2640 seq_printf(m, "Hop dwell = %d Kus\n", 2641 pfh->dwell_time[0] + 2642 256 * pfh->dwell_time[1]); 2643 seq_printf(m, "Hop set = %d\n", 2644 pfh->hop_set); 2645 seq_printf(m, "Hop pattern = %d\n", 2646 pfh->hop_pattern); 2647 seq_printf(m, "Hop index = %d\n", 2648 pfh->hop_index); 2649 p += p[1] + 2; 2650 } else { 2651 seq_puts(m, 2652 "Parse beacon failed at FH param element\n"); 2653 return 0; 2654 } 2655 } else { 2656 seq_puts(m, "No beacons received\n"); 2657 } 2658 return 0; 2659} 2660#endif 2661/*===========================================================================*/ 2662static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type) 2663{ 2664 int addr; 2665 struct ccs __iomem *pccs; 2666 struct tx_msg __iomem *ptx; 2667 int ccsindex; 2668 2669 /* If no tx buffers available, return */ 2670 if ((ccsindex = get_free_tx_ccs(local)) < 0) { 2671 pr_debug("ray_cs send authenticate - No free tx ccs\n"); 2672 return -1; 2673 } 2674 2675 pccs = ccs_base(local) + ccsindex; 2676 2677 /* Address in card space */ 2678 addr = TX_BUF_BASE + (ccsindex << 11); 2679 /* fill in the CCS */ 2680 writeb(CCS_TX_REQUEST, &pccs->cmd); 2681 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr); 2682 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1); 2683 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length); 2684 writeb(TX_AUTHENTICATE_LENGTH_LSB, 2685 pccs->var.tx_request.tx_data_length + 1); 2686 writeb(0, &pccs->var.tx_request.pow_sav_mode); 2687 2688 ptx = local->sram + addr; 2689 /* fill in the mac header */ 2690 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1); 2691 writeb(0, &ptx->mac.frame_ctl_2); 2692 2693 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN); 2694 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN); 2695 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); 2696 2697 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */ 2698 memset_io(ptx->var, 0, 6); 2699 writeb(auth_type & 0xff, ptx->var + 2); 2700 2701 /* Interrupt the firmware to process the command */ 2702 if (interrupt_ecf(local, ccsindex)) { 2703 pr_debug( 2704 "ray_cs send authentication request failed - ECF not ready for intr\n"); 2705 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 2706 return -1; 2707 } 2708 return 0; 2709} /* End build_auth_frame */ 2710 2711/*===========================================================================*/ 2712#ifdef CONFIG_PROC_FS 2713static ssize_t ray_cs_essid_proc_write(struct file *file, 2714 const char __user *buffer, size_t count, loff_t *pos) 2715{ 2716 static char proc_essid[33]; 2717 unsigned int len = count; 2718 2719 if (len > 32) 2720 len = 32; 2721 memset(proc_essid, 0, 33); 2722 if (copy_from_user(proc_essid, buffer, len)) 2723 return -EFAULT; 2724 essid = proc_essid; 2725 return count; 2726} 2727 2728static const struct proc_ops ray_cs_essid_proc_ops = { 2729 .proc_write = ray_cs_essid_proc_write, 2730 .proc_lseek = noop_llseek, 2731}; 2732 2733static ssize_t int_proc_write(struct file *file, const char __user *buffer, 2734 size_t count, loff_t *pos) 2735{ 2736 static char proc_number[10]; 2737 char *p; 2738 int nr, len; 2739 2740 if (!count) 2741 return 0; 2742 2743 if (count > 9) 2744 return -EINVAL; 2745 if (copy_from_user(proc_number, buffer, count)) 2746 return -EFAULT; 2747 p = proc_number; 2748 nr = 0; 2749 len = count; 2750 do { 2751 unsigned int c = *p - '0'; 2752 if (c > 9) 2753 return -EINVAL; 2754 nr = nr * 10 + c; 2755 p++; 2756 } while (--len); 2757 *(int *)PDE_DATA(file_inode(file)) = nr; 2758 return count; 2759} 2760 2761static const struct proc_ops int_proc_ops = { 2762 .proc_write = int_proc_write, 2763 .proc_lseek = noop_llseek, 2764}; 2765#endif 2766 2767static const struct pcmcia_device_id ray_ids[] = { 2768 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000), 2769 PCMCIA_DEVICE_NULL, 2770}; 2771 2772MODULE_DEVICE_TABLE(pcmcia, ray_ids); 2773 2774static struct pcmcia_driver ray_driver = { 2775 .owner = THIS_MODULE, 2776 .name = "ray_cs", 2777 .probe = ray_probe, 2778 .remove = ray_detach, 2779 .id_table = ray_ids, 2780 .suspend = ray_suspend, 2781 .resume = ray_resume, 2782}; 2783 2784static int __init init_ray_cs(void) 2785{ 2786 int rc; 2787 2788 pr_debug("%s\n", rcsid); 2789 rc = pcmcia_register_driver(&ray_driver); 2790 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n", 2791 rc); 2792 if (rc) 2793 return rc; 2794 2795#ifdef CONFIG_PROC_FS 2796 proc_mkdir("driver/ray_cs", NULL); 2797 2798 proc_create_single("driver/ray_cs/ray_cs", 0, NULL, ray_cs_proc_show); 2799 proc_create("driver/ray_cs/essid", 0200, NULL, &ray_cs_essid_proc_ops); 2800 proc_create_data("driver/ray_cs/net_type", 0200, NULL, &int_proc_ops, 2801 &net_type); 2802 proc_create_data("driver/ray_cs/translate", 0200, NULL, &int_proc_ops, 2803 &translate); 2804#endif 2805 translate = !!translate; 2806 return 0; 2807} /* init_ray_cs */ 2808 2809/*===========================================================================*/ 2810 2811static void __exit exit_ray_cs(void) 2812{ 2813 pr_debug("ray_cs: cleanup_module\n"); 2814 2815#ifdef CONFIG_PROC_FS 2816 remove_proc_subtree("driver/ray_cs", NULL); 2817#endif 2818 2819 pcmcia_unregister_driver(&ray_driver); 2820} /* exit_ray_cs */ 2821 2822module_init(init_ray_cs); 2823module_exit(exit_ray_cs); 2824 2825/*===========================================================================*/ 2826