1/*============================================================================= 2 * 3 * A PCMCIA client driver for the Raylink wireless LAN card. 4 * The starting point for this module was the skeleton.c in the 5 * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net 6 * 7 * 8 * Copyright (c) 1998 Corey Thomas (corey@world.std.com) 9 * 10 * This driver is free software; you can redistribute it and/or modify 11 * it under the terms of version 2 only of the GNU General Public License as 12 * published by the Free Software Foundation. 13 * 14 * It is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 22 * 23 * Changes: 24 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000 25 * - reorganize kmallocs in ray_attach, checking all for failure 26 * and releasing the previous allocations if one fails 27 * 28 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003 29 * - Audit copy_to_user in ioctl(SIOCGIWESSID) 30 * 31=============================================================================*/ 32 33#include <linux/module.h> 34#include <linux/kernel.h> 35#include <linux/proc_fs.h> 36#include <linux/ptrace.h> 37#include <linux/slab.h> 38#include <linux/string.h> 39#include <linux/timer.h> 40#include <linux/init.h> 41#include <linux/netdevice.h> 42#include <linux/etherdevice.h> 43#include <linux/if_arp.h> 44#include <linux/ioport.h> 45#include <linux/skbuff.h> 46#include <linux/ethtool.h> 47 48#include <pcmcia/cs_types.h> 49#include <pcmcia/cs.h> 50#include <pcmcia/cistpl.h> 51#include <pcmcia/cisreg.h> 52#include <pcmcia/ds.h> 53#include <pcmcia/mem_op.h> 54 55#include <linux/wireless.h> 56#include <net/iw_handler.h> 57 58#include <asm/io.h> 59#include <asm/system.h> 60#include <asm/byteorder.h> 61#include <asm/uaccess.h> 62 63/* Warning : these stuff will slow down the driver... */ 64#define WIRELESS_SPY /* Enable spying addresses */ 65/* Definitions we need for spy */ 66typedef struct iw_statistics iw_stats; 67typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */ 68 69#include "rayctl.h" 70#include "ray_cs.h" 71 72/* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If 73 you do not define PCMCIA_DEBUG at all, all the debug code will be 74 left out. If you compile with PCMCIA_DEBUG=0, the debug code will 75 be present but disabled -- but it can then be enabled for specific 76 modules at load time with a 'pc_debug=#' option to insmod. 77*/ 78 79#ifdef RAYLINK_DEBUG 80#define PCMCIA_DEBUG RAYLINK_DEBUG 81#endif 82#ifdef PCMCIA_DEBUG 83static int ray_debug; 84static int pc_debug = PCMCIA_DEBUG; 85module_param(pc_debug, int, 0); 86/* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */ 87#define DEBUG(n, args...) if (pc_debug>(n)) printk(args); 88#else 89#define DEBUG(n, args...) 90#endif 91/** Prototypes based on PCMCIA skeleton driver *******************************/ 92static int ray_config(struct pcmcia_device *link); 93static void ray_release(struct pcmcia_device *link); 94static void ray_detach(struct pcmcia_device *p_dev); 95 96/***** Prototypes indicated by device structure ******************************/ 97static int ray_dev_close(struct net_device *dev); 98static int ray_dev_config(struct net_device *dev, struct ifmap *map); 99static struct net_device_stats *ray_get_stats(struct net_device *dev); 100static int ray_dev_init(struct net_device *dev); 101 102static const struct ethtool_ops netdev_ethtool_ops; 103 104static int ray_open(struct net_device *dev); 105static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev); 106static void set_multicast_list(struct net_device *dev); 107static void ray_update_multi_list(struct net_device *dev, int all); 108static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, 109 unsigned char *data, int len); 110static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type, 111 unsigned char *data); 112static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len); 113static iw_stats * ray_get_wireless_stats(struct net_device * dev); 114static const struct iw_handler_def ray_handler_def; 115 116/***** Prototypes for raylink functions **************************************/ 117static int asc_to_int(char a); 118static void authenticate(ray_dev_t *local); 119static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type); 120static void authenticate_timeout(u_long); 121static int get_free_ccs(ray_dev_t *local); 122static int get_free_tx_ccs(ray_dev_t *local); 123static void init_startup_params(ray_dev_t *local); 124static int parse_addr(char *in_str, UCHAR *out); 125static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev, UCHAR type); 126static int ray_init(struct net_device *dev); 127static int interrupt_ecf(ray_dev_t *local, int ccs); 128static void ray_reset(struct net_device *dev); 129static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len); 130static void verify_dl_startup(u_long); 131 132/* Prototypes for interrpt time functions **********************************/ 133static irqreturn_t ray_interrupt (int reg, void *dev_id); 134static void clear_interrupt(ray_dev_t *local); 135static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, 136 unsigned int pkt_addr, int rx_len); 137static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len); 138static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs); 139static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs); 140static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, 141 unsigned int pkt_addr, int rx_len); 142static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr, 143 int rx_len); 144static void associate(ray_dev_t *local); 145 146/* Card command functions */ 147static int dl_startup_params(struct net_device *dev); 148static void join_net(u_long local); 149static void start_net(u_long local); 150/* void start_net(ray_dev_t *local); */ 151 152/*===========================================================================*/ 153/* Parameters that can be set with 'insmod' */ 154 155/* ADHOC=0, Infrastructure=1 */ 156static int net_type = ADHOC; 157 158/* Hop dwell time in Kus (1024 us units defined by 802.11) */ 159static int hop_dwell = 128; 160 161/* Beacon period in Kus */ 162static int beacon_period = 256; 163 164/* power save mode (0 = off, 1 = save power) */ 165static int psm; 166 167/* String for network's Extended Service Set ID. 32 Characters max */ 168static char *essid; 169 170/* Default to encapsulation unless translation requested */ 171static int translate = 1; 172 173static int country = USA; 174 175static int sniffer; 176 177static int bc; 178 179/* 48 bit physical card address if overriding card's real physical 180 * address is required. Since IEEE 802.11 addresses are 48 bits 181 * like ethernet, an int can't be used, so a string is used. To 182 * allow use of addresses starting with a decimal digit, the first 183 * character must be a letter and will be ignored. This letter is 184 * followed by up to 12 hex digits which are the address. If less 185 * than 12 digits are used, the address will be left filled with 0's. 186 * Note that bit 0 of the first byte is the broadcast bit, and evil 187 * things will happen if it is not 0 in a card address. 188 */ 189static char *phy_addr = NULL; 190 191 192/* A struct pcmcia_device structure has fields for most things that are needed 193 to keep track of a socket, but there will usually be some device 194 specific information that also needs to be kept track of. The 195 'priv' pointer in a struct pcmcia_device structure can be used to point to 196 a device-specific private data structure, like this. 197*/ 198static unsigned int ray_mem_speed = 500; 199 200/* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ 201static struct pcmcia_device *this_device = NULL; 202 203MODULE_AUTHOR("Corey Thomas <corey@world.std.com>"); 204MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver"); 205MODULE_LICENSE("GPL"); 206 207module_param(net_type, int, 0); 208module_param(hop_dwell, int, 0); 209module_param(beacon_period, int, 0); 210module_param(psm, int, 0); 211module_param(essid, charp, 0); 212module_param(translate, int, 0); 213module_param(country, int, 0); 214module_param(sniffer, int, 0); 215module_param(bc, int, 0); 216module_param(phy_addr, charp, 0); 217module_param(ray_mem_speed, int, 0); 218 219static UCHAR b5_default_startup_parms[] = { 220 0, 0, /* Adhoc station */ 221 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */ 222 0, 0, 0, 0, 0, 0, 0, 0, 223 0, 0, 0, 0, 0, 0, 0, 0, 224 0, 0, 0, 0, 0, 0, 0, 0, 225 1, 0, /* Active scan, CA Mode */ 226 0, 0, 0, 0, 0, 0, /* No default MAC addr */ 227 0x7f, 0xff, /* Frag threshold */ 228 0x00, 0x80, /* Hop time 128 Kus*/ 229 0x01, 0x00, /* Beacon period 256 Kus */ 230 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/ 231 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */ 232 0x7f, 0xff, /* RTS threshold */ 233 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */ 234 0x05, /* assoc resp timeout thresh */ 235 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max*/ 236 0, /* Promiscuous mode */ 237 0x0c, 0x0bd, /* Unique word */ 238 0x32, /* Slot time */ 239 0xff, 0xff, /* roam-low snr, low snr count */ 240 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ 241 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */ 242/* b4 - b5 differences start here */ 243 0x00, 0x3f, /* CW max */ 244 0x00, 0x0f, /* CW min */ 245 0x04, 0x08, /* Noise gain, limit offset */ 246 0x28, 0x28, /* det rssi, med busy offsets */ 247 7, /* det sync thresh */ 248 0, 2, 2, /* test mode, min, max */ 249 0, /* allow broadcast SSID probe resp */ 250 0, 0, /* privacy must start, can join */ 251 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */ 252}; 253 254static UCHAR b4_default_startup_parms[] = { 255 0, 0, /* Adhoc station */ 256 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */ 257 0, 0, 0, 0, 0, 0, 0, 0, 258 0, 0, 0, 0, 0, 0, 0, 0, 259 0, 0, 0, 0, 0, 0, 0, 0, 260 1, 0, /* Active scan, CA Mode */ 261 0, 0, 0, 0, 0, 0, /* No default MAC addr */ 262 0x7f, 0xff, /* Frag threshold */ 263 0x02, 0x00, /* Hop time */ 264 0x00, 0x01, /* Beacon period */ 265 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/ 266 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */ 267 0x7f, 0xff, /* RTS threshold */ 268 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */ 269 0x05, /* assoc resp timeout thresh */ 270 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max*/ 271 0, /* Promiscuous mode */ 272 0x0c, 0x0bd, /* Unique word */ 273 0x4e, /* Slot time (TBD seems wrong)*/ 274 0xff, 0xff, /* roam-low snr, low snr count */ 275 0x05, 0xff, /* Infra, adhoc missed bcn thresh */ 276 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */ 277/* b4 - b5 differences start here */ 278 0x3f, 0x0f, /* CW max, min */ 279 0x04, 0x08, /* Noise gain, limit offset */ 280 0x28, 0x28, /* det rssi, med busy offsets */ 281 7, /* det sync thresh */ 282 0, 2, 2 /* test mode, min, max*/ 283}; 284/*===========================================================================*/ 285static unsigned char eth2_llc[] = {0xaa, 0xaa, 3, 0, 0, 0}; 286 287static char hop_pattern_length[] = { 1, 288 USA_HOP_MOD, EUROPE_HOP_MOD, 289 JAPAN_HOP_MOD, KOREA_HOP_MOD, 290 SPAIN_HOP_MOD, FRANCE_HOP_MOD, 291 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD, 292 JAPAN_TEST_HOP_MOD 293}; 294 295static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>"; 296 297/*============================================================================= 298 ray_attach() creates an "instance" of the driver, allocating 299 local data structures for one device. The device is registered 300 with Card Services. 301 The dev_link structure is initialized, but we don't actually 302 configure the card at this point -- we wait until we receive a 303 card insertion event. 304=============================================================================*/ 305static int ray_probe(struct pcmcia_device *p_dev) 306{ 307 ray_dev_t *local; 308 struct net_device *dev; 309 310 DEBUG(1, "ray_attach()\n"); 311 312 /* Allocate space for private device-specific data */ 313 dev = alloc_etherdev(sizeof(ray_dev_t)); 314 if (!dev) 315 goto fail_alloc_dev; 316 317 local = dev->priv; 318 local->finder = p_dev; 319 320 /* The io structure describes IO port mapping. None used here */ 321 p_dev->io.NumPorts1 = 0; 322 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 323 p_dev->io.IOAddrLines = 5; 324 325 /* Interrupt setup. For PCMCIA, driver takes what's given */ 326 p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; 327 p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; 328 p_dev->irq.Handler = &ray_interrupt; 329 330 /* General socket configuration */ 331 p_dev->conf.Attributes = CONF_ENABLE_IRQ; 332 p_dev->conf.IntType = INT_MEMORY_AND_IO; 333 p_dev->conf.ConfigIndex = 1; 334 335 p_dev->priv = dev; 336 p_dev->irq.Instance = dev; 337 338 local->finder = p_dev; 339 local->card_status = CARD_INSERTED; 340 local->authentication_state = UNAUTHENTICATED; 341 local->num_multi = 0; 342 DEBUG(2,"ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", 343 p_dev,dev,local,&ray_interrupt); 344 345 /* Raylink entries in the device structure */ 346 dev->hard_start_xmit = &ray_dev_start_xmit; 347 dev->set_config = &ray_dev_config; 348 dev->get_stats = &ray_get_stats; 349 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); 350 dev->wireless_handlers = &ray_handler_def; 351#ifdef WIRELESS_SPY 352 local->wireless_data.spy_data = &local->spy_data; 353 dev->wireless_data = &local->wireless_data; 354#endif /* WIRELESS_SPY */ 355 356 dev->set_multicast_list = &set_multicast_list; 357 358 DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n"); 359 SET_MODULE_OWNER(dev); 360 dev->init = &ray_dev_init; 361 dev->open = &ray_open; 362 dev->stop = &ray_dev_close; 363 netif_stop_queue(dev); 364 365 init_timer(&local->timer); 366 367 this_device = p_dev; 368 return ray_config(p_dev); 369 370fail_alloc_dev: 371 return -ENOMEM; 372} /* ray_attach */ 373/*============================================================================= 374 This deletes a driver "instance". The device is de-registered 375 with Card Services. If it has been released, all local data 376 structures are freed. Otherwise, the structures will be freed 377 when the device is released. 378=============================================================================*/ 379static void ray_detach(struct pcmcia_device *link) 380{ 381 struct net_device *dev; 382 ray_dev_t *local; 383 384 DEBUG(1, "ray_detach(0x%p)\n", link); 385 386 this_device = NULL; 387 dev = link->priv; 388 389 ray_release(link); 390 391 local = (ray_dev_t *)dev->priv; 392 del_timer(&local->timer); 393 394 if (link->priv) { 395 if (link->dev_node) unregister_netdev(dev); 396 free_netdev(dev); 397 } 398 DEBUG(2,"ray_cs ray_detach ending\n"); 399} /* ray_detach */ 400/*============================================================================= 401 ray_config() is run after a CARD_INSERTION event 402 is received, to configure the PCMCIA socket, and to make the 403 ethernet device available to the system. 404=============================================================================*/ 405#define CS_CHECK(fn, ret) \ 406do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 407#define MAX_TUPLE_SIZE 128 408static int ray_config(struct pcmcia_device *link) 409{ 410 int last_fn = 0, last_ret = 0; 411 int i; 412 win_req_t req; 413 memreq_t mem; 414 struct net_device *dev = (struct net_device *)link->priv; 415 ray_dev_t *local = (ray_dev_t *)dev->priv; 416 417 DEBUG(1, "ray_config(0x%p)\n", link); 418 419 /* Determine card type and firmware version */ 420 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n", 421 link->prod_id[0] ? link->prod_id[0] : " ", 422 link->prod_id[1] ? link->prod_id[1] : " ", 423 link->prod_id[2] ? link->prod_id[2] : " ", 424 link->prod_id[3] ? link->prod_id[3] : " "); 425 426 /* Now allocate an interrupt line. Note that this does not 427 actually assign a handler to the interrupt. 428 */ 429 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); 430 dev->irq = link->irq.AssignedIRQ; 431 432 /* This actually configures the PCMCIA socket -- setting up 433 the I/O windows and the interrupt mapping. 434 */ 435 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); 436 437/*** Set up 32k window for shared memory (transmit and control) ************/ 438 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; 439 req.Base = 0; 440 req.Size = 0x8000; 441 req.AccessSpeed = ray_mem_speed; 442 CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win)); 443 mem.CardOffset = 0x0000; mem.Page = 0; 444 CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem)); 445 local->sram = ioremap(req.Base,req.Size); 446 447/*** Set up 16k window for shared memory (receive buffer) ***************/ 448 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; 449 req.Base = 0; 450 req.Size = 0x4000; 451 req.AccessSpeed = ray_mem_speed; 452 CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &local->rmem_handle)); 453 mem.CardOffset = 0x8000; mem.Page = 0; 454 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem)); 455 local->rmem = ioremap(req.Base,req.Size); 456 457/*** Set up window for attribute memory ***********************************/ 458 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT; 459 req.Base = 0; 460 req.Size = 0x1000; 461 req.AccessSpeed = ray_mem_speed; 462 CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &local->amem_handle)); 463 mem.CardOffset = 0x0000; mem.Page = 0; 464 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem)); 465 local->amem = ioremap(req.Base,req.Size); 466 467 DEBUG(3,"ray_config sram=%p\n",local->sram); 468 DEBUG(3,"ray_config rmem=%p\n",local->rmem); 469 DEBUG(3,"ray_config amem=%p\n",local->amem); 470 if (ray_init(dev) < 0) { 471 ray_release(link); 472 return -ENODEV; 473 } 474 475 SET_NETDEV_DEV(dev, &handle_to_dev(link)); 476 i = register_netdev(dev); 477 if (i != 0) { 478 printk("ray_config register_netdev() failed\n"); 479 ray_release(link); 480 return i; 481 } 482 483 strcpy(local->node.dev_name, dev->name); 484 link->dev_node = &local->node; 485 486 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ", 487 dev->name, dev->irq); 488 for (i = 0; i < 6; i++) 489 printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n")); 490 491 return 0; 492 493cs_failed: 494 cs_error(link, last_fn, last_ret); 495 496 ray_release(link); 497 return -ENODEV; 498} /* ray_config */ 499 500static inline struct ccs __iomem *ccs_base(ray_dev_t *dev) 501{ 502 return dev->sram + CCS_BASE; 503} 504 505static inline struct rcs __iomem *rcs_base(ray_dev_t *dev) 506{ 507 /* 508 * This looks nonsensical, since there is a separate 509 * RCS_BASE. But the difference between a "struct rcs" 510 * and a "struct ccs" ends up being in the _index_ off 511 * the base, so the base pointer is the same for both 512 * ccs/rcs. 513 */ 514 return dev->sram + CCS_BASE; 515} 516 517/*===========================================================================*/ 518static int ray_init(struct net_device *dev) 519{ 520 int i; 521 UCHAR *p; 522 struct ccs __iomem *pccs; 523 ray_dev_t *local = (ray_dev_t *)dev->priv; 524 struct pcmcia_device *link = local->finder; 525 DEBUG(1, "ray_init(0x%p)\n", dev); 526 if (!(pcmcia_dev_present(link))) { 527 DEBUG(0,"ray_init - device not present\n"); 528 return -1; 529 } 530 531 local->net_type = net_type; 532 local->sta_type = TYPE_STA; 533 534 /* Copy the startup results to local memory */ 535 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,\ 536 sizeof(struct startup_res_6)); 537 538 /* Check Power up test status and get mac address from card */ 539 if (local->startup_res.startup_word != 0x80) { 540 printk(KERN_INFO "ray_init ERROR card status = %2x\n", 541 local->startup_res.startup_word); 542 local->card_status = CARD_INIT_ERROR; 543 return -1; 544 } 545 546 local->fw_ver = local->startup_res.firmware_version[0]; 547 local->fw_bld = local->startup_res.firmware_version[1]; 548 local->fw_var = local->startup_res.firmware_version[2]; 549 DEBUG(1,"ray_init firmware version %d.%d \n",local->fw_ver, local->fw_bld); 550 551 local->tib_length = 0x20; 552 if ((local->fw_ver == 5) && (local->fw_bld >= 30)) 553 local->tib_length = local->startup_res.tib_length; 554 DEBUG(2,"ray_init tib_length = 0x%02x\n", local->tib_length); 555 /* Initialize CCS's to buffer free state */ 556 pccs = ccs_base(local); 557 for (i=0; i<NUMBER_OF_CCS; i++) { 558 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 559 } 560 init_startup_params(local); 561 562 /* copy mac address to startup parameters */ 563 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) 564 { 565 p = local->sparm.b4.a_mac_addr; 566 } 567 else 568 { 569 memcpy(&local->sparm.b4.a_mac_addr, 570 &local->startup_res.station_addr, ADDRLEN); 571 p = local->sparm.b4.a_mac_addr; 572 } 573 574 clear_interrupt(local); /* Clear any interrupt from the card */ 575 local->card_status = CARD_AWAITING_PARAM; 576 DEBUG(2,"ray_init ending\n"); 577 return 0; 578} /* ray_init */ 579/*===========================================================================*/ 580/* Download startup parameters to the card and command it to read them */ 581static int dl_startup_params(struct net_device *dev) 582{ 583 int ccsindex; 584 ray_dev_t *local = (ray_dev_t *)dev->priv; 585 struct ccs __iomem *pccs; 586 struct pcmcia_device *link = local->finder; 587 588 DEBUG(1,"dl_startup_params entered\n"); 589 if (!(pcmcia_dev_present(link))) { 590 DEBUG(2,"ray_cs dl_startup_params - device not present\n"); 591 return -1; 592 } 593 594 /* Copy parameters to host to ECF area */ 595 if (local->fw_ver == 0x55) 596 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4, 597 sizeof(struct b4_startup_params)); 598 else 599 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5, 600 sizeof(struct b5_startup_params)); 601 602 603 /* Fill in the CCS fields for the ECF */ 604 if ((ccsindex = get_free_ccs(local)) < 0) return -1; 605 local->dl_param_ccs = ccsindex; 606 pccs = ccs_base(local) + ccsindex; 607 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd); 608 DEBUG(2,"dl_startup_params start ccsindex = %d\n", local->dl_param_ccs); 609 /* Interrupt the firmware to process the command */ 610 if (interrupt_ecf(local, ccsindex)) { 611 printk(KERN_INFO "ray dl_startup_params failed - " 612 "ECF not ready for intr\n"); 613 local->card_status = CARD_DL_PARAM_ERROR; 614 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 615 return -2; 616 } 617 local->card_status = CARD_DL_PARAM; 618 /* Start kernel timer to wait for dl startup to complete. */ 619 local->timer.expires = jiffies + HZ/2; 620 local->timer.data = (long)local; 621 local->timer.function = &verify_dl_startup; 622 add_timer(&local->timer); 623 DEBUG(2,"ray_cs dl_startup_params started timer for verify_dl_startup\n"); 624 return 0; 625} /* dl_startup_params */ 626/*===========================================================================*/ 627static void init_startup_params(ray_dev_t *local) 628{ 629 int i; 630 631 if (country > JAPAN_TEST) country = USA; 632 else 633 if (country < USA) country = USA; 634 /* structure for hop time and beacon period is defined here using 635 * New 802.11D6.1 format. Card firmware is still using old format 636 * until version 6. 637 * Before After 638 * a_hop_time ms byte a_hop_time ms byte 639 * a_hop_time 2s byte a_hop_time ls byte 640 * a_hop_time ls byte a_beacon_period ms byte 641 * a_beacon_period a_beacon_period ls byte 642 * 643 * a_hop_time = uS a_hop_time = KuS 644 * a_beacon_period = hops a_beacon_period = KuS 645 */ /* 64ms = 010000 */ 646 if (local->fw_ver == 0x55) { 647 memcpy((UCHAR *)&local->sparm.b4, b4_default_startup_parms, 648 sizeof(struct b4_startup_params)); 649 /* Translate sane kus input values to old build 4/5 format */ 650 /* i = hop time in uS truncated to 3 bytes */ 651 i = (hop_dwell * 1024) & 0xffffff; 652 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff; 653 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff; 654 local->sparm.b4.a_beacon_period[0] = 0; 655 local->sparm.b4.a_beacon_period[1] = 656 ((beacon_period/hop_dwell) - 1) & 0xff; 657 local->sparm.b4.a_curr_country_code = country; 658 local->sparm.b4.a_hop_pattern_length = 659 hop_pattern_length[(int)country] - 1; 660 if (bc) 661 { 662 local->sparm.b4.a_ack_timeout = 0x50; 663 local->sparm.b4.a_sifs = 0x3f; 664 } 665 } 666 else { /* Version 5 uses real kus values */ 667 memcpy((UCHAR *)&local->sparm.b5, b5_default_startup_parms, 668 sizeof(struct b5_startup_params)); 669 670 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff; 671 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff; 672 local->sparm.b5.a_beacon_period[0] = (beacon_period >> 8) & 0xff; 673 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff; 674 if (psm) 675 local->sparm.b5.a_power_mgt_state = 1; 676 local->sparm.b5.a_curr_country_code = country; 677 local->sparm.b5.a_hop_pattern_length = 678 hop_pattern_length[(int)country]; 679 } 680 681 local->sparm.b4.a_network_type = net_type & 0x01; 682 local->sparm.b4.a_acting_as_ap_status = TYPE_STA; 683 684 if (essid != NULL) 685 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE); 686} /* init_startup_params */ 687/*===========================================================================*/ 688static void verify_dl_startup(u_long data) 689{ 690 ray_dev_t *local = (ray_dev_t *)data; 691 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; 692 UCHAR status; 693 struct pcmcia_device *link = local->finder; 694 695 if (!(pcmcia_dev_present(link))) { 696 DEBUG(2,"ray_cs verify_dl_startup - device not present\n"); 697 return; 698 } 699#ifdef PCMCIA_DEBUG 700 if (pc_debug > 2) { 701 int i; 702 printk(KERN_DEBUG "verify_dl_startup parameters sent via ccs %d:\n", 703 local->dl_param_ccs); 704 for (i=0; i<sizeof(struct b5_startup_params); i++) { 705 printk(" %2x", (unsigned int) readb(local->sram + HOST_TO_ECF_BASE + i)); 706 } 707 printk("\n"); 708 } 709#endif 710 711 status = readb(&pccs->buffer_status); 712 if (status!= CCS_BUFFER_FREE) 713 { 714 printk(KERN_INFO "Download startup params failed. Status = %d\n", 715 status); 716 local->card_status = CARD_DL_PARAM_ERROR; 717 return; 718 } 719 if (local->sparm.b4.a_network_type == ADHOC) 720 start_net((u_long)local); 721 else 722 join_net((u_long)local); 723 724 return; 725} /* end verify_dl_startup */ 726/*===========================================================================*/ 727/* Command card to start a network */ 728static void start_net(u_long data) 729{ 730 ray_dev_t *local = (ray_dev_t *)data; 731 struct ccs __iomem *pccs; 732 int ccsindex; 733 struct pcmcia_device *link = local->finder; 734 if (!(pcmcia_dev_present(link))) { 735 DEBUG(2,"ray_cs start_net - device not present\n"); 736 return; 737 } 738 /* Fill in the CCS fields for the ECF */ 739 if ((ccsindex = get_free_ccs(local)) < 0) return; 740 pccs = ccs_base(local) + ccsindex; 741 writeb(CCS_START_NETWORK, &pccs->cmd); 742 writeb(0, &pccs->var.start_network.update_param); 743 /* Interrupt the firmware to process the command */ 744 if (interrupt_ecf(local, ccsindex)) { 745 DEBUG(1,"ray start net failed - card not ready for intr\n"); 746 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 747 return; 748 } 749 local->card_status = CARD_DOING_ACQ; 750 return; 751} /* end start_net */ 752/*===========================================================================*/ 753/* Command card to join a network */ 754static void join_net(u_long data) 755{ 756 ray_dev_t *local = (ray_dev_t *)data; 757 758 struct ccs __iomem *pccs; 759 int ccsindex; 760 struct pcmcia_device *link = local->finder; 761 762 if (!(pcmcia_dev_present(link))) { 763 DEBUG(2,"ray_cs join_net - device not present\n"); 764 return; 765 } 766 /* Fill in the CCS fields for the ECF */ 767 if ((ccsindex = get_free_ccs(local)) < 0) return; 768 pccs = ccs_base(local) + ccsindex; 769 writeb(CCS_JOIN_NETWORK, &pccs->cmd); 770 writeb(0, &pccs->var.join_network.update_param); 771 writeb(0, &pccs->var.join_network.net_initiated); 772 /* Interrupt the firmware to process the command */ 773 if (interrupt_ecf(local, ccsindex)) { 774 DEBUG(1,"ray join net failed - card not ready for intr\n"); 775 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 776 return; 777 } 778 local->card_status = CARD_DOING_ACQ; 779 return; 780} 781/*============================================================================ 782 After a card is removed, ray_release() will unregister the net 783 device, and release the PCMCIA configuration. If the device is 784 still open, this will be postponed until it is closed. 785=============================================================================*/ 786static void ray_release(struct pcmcia_device *link) 787{ 788 struct net_device *dev = link->priv; 789 ray_dev_t *local = dev->priv; 790 int i; 791 792 DEBUG(1, "ray_release(0x%p)\n", link); 793 794 del_timer(&local->timer); 795 796 iounmap(local->sram); 797 iounmap(local->rmem); 798 iounmap(local->amem); 799 /* Do bother checking to see if these succeed or not */ 800 i = pcmcia_release_window(local->amem_handle); 801 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i); 802 i = pcmcia_release_window(local->rmem_handle); 803 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i); 804 pcmcia_disable_device(link); 805 806 DEBUG(2,"ray_release ending\n"); 807} 808 809static int ray_suspend(struct pcmcia_device *link) 810{ 811 struct net_device *dev = link->priv; 812 813 if (link->open) 814 netif_device_detach(dev); 815 816 return 0; 817} 818 819static int ray_resume(struct pcmcia_device *link) 820{ 821 struct net_device *dev = link->priv; 822 823 if (link->open) { 824 ray_reset(dev); 825 netif_device_attach(dev); 826 } 827 828 return 0; 829} 830 831/*===========================================================================*/ 832int ray_dev_init(struct net_device *dev) 833{ 834#ifdef RAY_IMMEDIATE_INIT 835 int i; 836#endif /* RAY_IMMEDIATE_INIT */ 837 ray_dev_t *local = dev->priv; 838 struct pcmcia_device *link = local->finder; 839 840 DEBUG(1,"ray_dev_init(dev=%p)\n",dev); 841 if (!(pcmcia_dev_present(link))) { 842 DEBUG(2,"ray_dev_init - device not present\n"); 843 return -1; 844 } 845#ifdef RAY_IMMEDIATE_INIT 846 /* Download startup parameters */ 847 if ( (i = dl_startup_params(dev)) < 0) 848 { 849 printk(KERN_INFO "ray_dev_init dl_startup_params failed - " 850 "returns 0x%x\n",i); 851 return -1; 852 } 853#else /* RAY_IMMEDIATE_INIT */ 854 /* Postpone the card init so that we can still configure the card, 855 * for example using the Wireless Extensions. The init will happen 856 * in ray_open() - Jean II */ 857 DEBUG(1,"ray_dev_init: postponing card init to ray_open() ; Status = %d\n", 858 local->card_status); 859#endif /* RAY_IMMEDIATE_INIT */ 860 861 /* copy mac and broadcast addresses to linux device */ 862 memcpy(&dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN); 863 memset(dev->broadcast, 0xff, ETH_ALEN); 864 865 DEBUG(2,"ray_dev_init ending\n"); 866 return 0; 867} 868/*===========================================================================*/ 869static int ray_dev_config(struct net_device *dev, struct ifmap *map) 870{ 871 ray_dev_t *local = dev->priv; 872 struct pcmcia_device *link = local->finder; 873 /* Dummy routine to satisfy device structure */ 874 DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev,map); 875 if (!(pcmcia_dev_present(link))) { 876 DEBUG(2,"ray_dev_config - device not present\n"); 877 return -1; 878 } 879 880 return 0; 881} 882/*===========================================================================*/ 883static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev) 884{ 885 ray_dev_t *local = dev->priv; 886 struct pcmcia_device *link = local->finder; 887 short length = skb->len; 888 889 if (!(pcmcia_dev_present(link))) { 890 DEBUG(2,"ray_dev_start_xmit - device not present\n"); 891 return -1; 892 } 893 DEBUG(3,"ray_dev_start_xmit(skb=%p, dev=%p)\n",skb,dev); 894 if (local->authentication_state == NEED_TO_AUTH) { 895 DEBUG(0,"ray_cs Sending authentication request.\n"); 896 if (!build_auth_frame (local, local->auth_id, OPEN_AUTH_REQUEST)) { 897 local->authentication_state = AUTHENTICATED; 898 netif_stop_queue(dev); 899 return 1; 900 } 901 } 902 903 if (length < ETH_ZLEN) 904 { 905 if (skb_padto(skb, ETH_ZLEN)) 906 return 0; 907 length = ETH_ZLEN; 908 } 909 switch (ray_hw_xmit( skb->data, length, dev, DATA_TYPE)) { 910 case XMIT_NO_CCS: 911 case XMIT_NEED_AUTH: 912 netif_stop_queue(dev); 913 return 1; 914 case XMIT_NO_INTR: 915 case XMIT_MSG_BAD: 916 case XMIT_OK: 917 default: 918 dev->trans_start = jiffies; 919 dev_kfree_skb(skb); 920 return 0; 921 } 922 return 0; 923} /* ray_dev_start_xmit */ 924/*===========================================================================*/ 925static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev, 926 UCHAR msg_type) 927{ 928 ray_dev_t *local = (ray_dev_t *)dev->priv; 929 struct ccs __iomem *pccs; 930 int ccsindex; 931 int offset; 932 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */ 933 short int addr; /* Address of xmit buffer in card space */ 934 935 DEBUG(3,"ray_hw_xmit(data=%p, len=%d, dev=%p)\n",data,len,dev); 936 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) 937 { 938 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",len); 939 return XMIT_MSG_BAD; 940 } 941 switch (ccsindex = get_free_tx_ccs(local)) { 942 case ECCSBUSY: 943 DEBUG(2,"ray_hw_xmit tx_ccs table busy\n"); 944 case ECCSFULL: 945 DEBUG(2,"ray_hw_xmit No free tx ccs\n"); 946 case ECARDGONE: 947 netif_stop_queue(dev); 948 return XMIT_NO_CCS; 949 default: 950 break; 951 } 952 addr = TX_BUF_BASE + (ccsindex << 11); 953 954 if (msg_type == DATA_TYPE) { 955 local->stats.tx_bytes += len; 956 local->stats.tx_packets++; 957 } 958 959 ptx = local->sram + addr; 960 961 ray_build_header(local, ptx, msg_type, data); 962 if (translate) { 963 offset = translate_frame(local, ptx, data, len); 964 } 965 else { /* Encapsulate frame */ 966 /* TBD TIB length will move address of ptx->var */ 967 memcpy_toio(&ptx->var, data, len); 968 offset = 0; 969 } 970 971 /* fill in the CCS */ 972 pccs = ccs_base(local) + ccsindex; 973 len += TX_HEADER_LENGTH + offset; 974 writeb(CCS_TX_REQUEST, &pccs->cmd); 975 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]); 976 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]); 977 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]); 978 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]); 979/* TBD still need psm_cam? */ 980 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode); 981 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate); 982 writeb(0, &pccs->var.tx_request.antenna); 983 DEBUG(3,"ray_hw_xmit default_tx_rate = 0x%x\n",\ 984 local->net_default_tx_rate); 985 986 /* Interrupt the firmware to process the command */ 987 if (interrupt_ecf(local, ccsindex)) { 988 DEBUG(2,"ray_hw_xmit failed - ECF not ready for intr\n"); 989/* TBD very inefficient to copy packet to buffer, and then not 990 send it, but the alternative is to queue the messages and that 991 won't be done for a while. Maybe set tbusy until a CCS is free? 992*/ 993 writeb(CCS_BUFFER_FREE, &pccs->buffer_status); 994 return XMIT_NO_INTR; 995 } 996 return XMIT_OK; 997} /* end ray_hw_xmit */ 998/*===========================================================================*/ 999static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, unsigned char *data, 1000 int len) 1001{ 1002 unsigned short int proto = ((struct ethhdr *)data)->h_proto; 1003 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */ 1004 DEBUG(3,"ray_cs translate_frame DIX II\n"); 1005 /* Copy LLC header to card buffer */ 1006 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc)); 1007 memcpy_toio( ((void __iomem *)&ptx->var) + sizeof(eth2_llc), (UCHAR *)&proto, 2); 1008 if ((proto == 0xf380) || (proto == 0x3781)) { 1009 /* This is the selective translation table, only 2 entries */ 1010 writeb(0xf8, &((struct snaphdr_t __iomem *)ptx->var)->org[3]); 1011 } 1012 /* Copy body of ethernet packet without ethernet header */ 1013 memcpy_toio((void __iomem *)&ptx->var + sizeof(struct snaphdr_t), \ 1014 data + ETH_HLEN, len - ETH_HLEN); 1015 return (int) sizeof(struct snaphdr_t) - ETH_HLEN; 1016 } 1017 else { /* already 802 type, and proto is length */ 1018 DEBUG(3,"ray_cs translate_frame 802\n"); 1019 if (proto == 0xffff) { /* evil netware IPX 802.3 without LLC */ 1020 DEBUG(3,"ray_cs translate_frame evil IPX\n"); 1021 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); 1022 return 0 - ETH_HLEN; 1023 } 1024 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN); 1025 return 0 - ETH_HLEN; 1026 } 1027 /* TBD do other frame types */ 1028} /* end translate_frame */ 1029/*===========================================================================*/ 1030static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type, 1031 unsigned char *data) 1032{ 1033 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1); 1034/*** IEEE 802.11 Address field assignments ************* 1035 TODS FROMDS addr_1 addr_2 addr_3 addr_4 1036Adhoc 0 0 dest src (terminal) BSSID N/A 1037AP to Terminal 0 1 dest AP(BSSID) source N/A 1038Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A 1039AP to AP 1 1 dest AP src AP dest source 1040*******************************************************/ 1041 if (local->net_type == ADHOC) { 1042 writeb(0, &ptx->mac.frame_ctl_2); 1043 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, 2 * ADDRLEN); 1044 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); 1045 } 1046 else /* infrastructure */ 1047 { 1048 if (local->sparm.b4.a_acting_as_ap_status) 1049 { 1050 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2); 1051 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, ADDRLEN); 1052 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6); 1053 memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_source, ADDRLEN); 1054 } 1055 else /* Terminal */ 1056 { 1057 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2); 1058 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN); 1059 memcpy_toio(ptx->mac.addr_2, ((struct ethhdr *)data)->h_source, ADDRLEN); 1060 memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_dest, ADDRLEN); 1061 } 1062 } 1063} /* end encapsulate_frame */ 1064 1065 1066/*===========================================================================*/ 1067 1068static void netdev_get_drvinfo(struct net_device *dev, 1069 struct ethtool_drvinfo *info) 1070{ 1071 strcpy(info->driver, "ray_cs"); 1072} 1073 1074static const struct ethtool_ops netdev_ethtool_ops = { 1075 .get_drvinfo = netdev_get_drvinfo, 1076}; 1077 1078/*====================================================================*/ 1079 1080/*------------------------------------------------------------------*/ 1081/* 1082 * Wireless Handler : get protocol name 1083 */ 1084static int ray_get_name(struct net_device *dev, 1085 struct iw_request_info *info, 1086 char *cwrq, 1087 char *extra) 1088{ 1089 strcpy(cwrq, "IEEE 802.11-FH"); 1090 return 0; 1091} 1092 1093/*------------------------------------------------------------------*/ 1094/* 1095 * Wireless Handler : set frequency 1096 */ 1097static int ray_set_freq(struct net_device *dev, 1098 struct iw_request_info *info, 1099 struct iw_freq *fwrq, 1100 char *extra) 1101{ 1102 ray_dev_t *local = (ray_dev_t *)dev->priv; 1103 int err = -EINPROGRESS; /* Call commit handler */ 1104 1105 /* Reject if card is already initialised */ 1106 if(local->card_status != CARD_AWAITING_PARAM) 1107 return -EBUSY; 1108 1109 /* Setting by channel number */ 1110 if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0)) 1111 err = -EOPNOTSUPP; 1112 else 1113 local->sparm.b5.a_hop_pattern = fwrq->m; 1114 1115 return err; 1116} 1117 1118/*------------------------------------------------------------------*/ 1119/* 1120 * Wireless Handler : get frequency 1121 */ 1122static int ray_get_freq(struct net_device *dev, 1123 struct iw_request_info *info, 1124 struct iw_freq *fwrq, 1125 char *extra) 1126{ 1127 ray_dev_t *local = (ray_dev_t *)dev->priv; 1128 1129 fwrq->m = local->sparm.b5.a_hop_pattern; 1130 fwrq->e = 0; 1131 return 0; 1132} 1133 1134/*------------------------------------------------------------------*/ 1135/* 1136 * Wireless Handler : set ESSID 1137 */ 1138static int ray_set_essid(struct net_device *dev, 1139 struct iw_request_info *info, 1140 struct iw_point *dwrq, 1141 char *extra) 1142{ 1143 ray_dev_t *local = (ray_dev_t *)dev->priv; 1144 1145 /* Reject if card is already initialised */ 1146 if(local->card_status != CARD_AWAITING_PARAM) 1147 return -EBUSY; 1148 1149 /* Check if we asked for `any' */ 1150 if(dwrq->flags == 0) { 1151 /* Corey : can you do that ? */ 1152 return -EOPNOTSUPP; 1153 } else { 1154 /* Check the size of the string */ 1155 if(dwrq->length > IW_ESSID_MAX_SIZE) { 1156 return -E2BIG; 1157 } 1158 1159 /* Set the ESSID in the card */ 1160 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE); 1161 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length); 1162 } 1163 1164 return -EINPROGRESS; /* Call commit handler */ 1165} 1166 1167/*------------------------------------------------------------------*/ 1168/* 1169 * Wireless Handler : get ESSID 1170 */ 1171static int ray_get_essid(struct net_device *dev, 1172 struct iw_request_info *info, 1173 struct iw_point *dwrq, 1174 char *extra) 1175{ 1176 ray_dev_t *local = (ray_dev_t *)dev->priv; 1177 1178 /* Get the essid that was set */ 1179 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); 1180 1181 /* Push it out ! */ 1182 dwrq->length = strlen(extra); 1183 dwrq->flags = 1; /* active */ 1184 1185 return 0; 1186} 1187 1188/*------------------------------------------------------------------*/ 1189/* 1190 * Wireless Handler : get AP address 1191 */ 1192static int ray_get_wap(struct net_device *dev, 1193 struct iw_request_info *info, 1194 struct sockaddr *awrq, 1195 char *extra) 1196{ 1197 ray_dev_t *local = (ray_dev_t *)dev->priv; 1198 1199 memcpy(awrq->sa_data, local->bss_id, ETH_ALEN); 1200 awrq->sa_family = ARPHRD_ETHER; 1201 1202 return 0; 1203} 1204 1205/*------------------------------------------------------------------*/ 1206/* 1207 * Wireless Handler : set Bit-Rate 1208 */ 1209static int ray_set_rate(struct net_device *dev, 1210 struct iw_request_info *info, 1211 struct iw_param *vwrq, 1212 char *extra) 1213{ 1214 ray_dev_t *local = (ray_dev_t *)dev->priv; 1215 1216 /* Reject if card is already initialised */ 1217 if(local->card_status != CARD_AWAITING_PARAM) 1218 return -EBUSY; 1219 1220 /* Check if rate is in range */ 1221 if((vwrq->value != 1000000) && (vwrq->value != 2000000)) 1222 return -EINVAL; 1223 1224 /* Hack for 1.5 Mb/s instead of 2 Mb/s */ 1225 if((local->fw_ver == 0x55) && /* Please check */ 1226 (vwrq->value == 2000000)) 1227 local->net_default_tx_rate = 3; 1228 else 1229 local->net_default_tx_rate = vwrq->value/500000; 1230 1231 return 0; 1232} 1233 1234/*------------------------------------------------------------------*/ 1235/* 1236 * Wireless Handler : get Bit-Rate 1237 */ 1238static int ray_get_rate(struct net_device *dev, 1239 struct iw_request_info *info, 1240 struct iw_param *vwrq, 1241 char *extra) 1242{ 1243 ray_dev_t *local = (ray_dev_t *)dev->priv; 1244 1245 if(local->net_default_tx_rate == 3) 1246 vwrq->value = 2000000; /* Hum... */ 1247 else 1248 vwrq->value = local->net_default_tx_rate * 500000; 1249 vwrq->fixed = 0; /* We are in auto mode */ 1250 1251 return 0; 1252} 1253 1254/*------------------------------------------------------------------*/ 1255/* 1256 * Wireless Handler : set RTS threshold 1257 */ 1258static int ray_set_rts(struct net_device *dev, 1259 struct iw_request_info *info, 1260 struct iw_param *vwrq, 1261 char *extra) 1262{ 1263 ray_dev_t *local = (ray_dev_t *)dev->priv; 1264 int rthr = vwrq->value; 1265 1266 /* Reject if card is already initialised */ 1267 if(local->card_status != CARD_AWAITING_PARAM) 1268 return -EBUSY; 1269 1270 /* if(wrq->u.rts.fixed == 0) we should complain */ 1271 if(vwrq->disabled) 1272 rthr = 32767; 1273 else { 1274 if((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */ 1275 return -EINVAL; 1276 } 1277 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF; 1278 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF; 1279 1280 return -EINPROGRESS; /* Call commit handler */ 1281} 1282 1283 1284/*------------------------------------------------------------------*/ 1285/* 1286 * Wireless Handler : get RTS threshold 1287 */ 1288static int ray_get_rts(struct net_device *dev, 1289 struct iw_request_info *info, 1290 struct iw_param *vwrq, 1291 char *extra) 1292{ 1293 ray_dev_t *local = (ray_dev_t *)dev->priv; 1294 1295 vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8) 1296 + local->sparm.b5.a_rts_threshold[1]; 1297 vwrq->disabled = (vwrq->value == 32767); 1298 vwrq->fixed = 1; 1299 1300 return 0; 1301} 1302 1303/*------------------------------------------------------------------*/ 1304/* 1305 * Wireless Handler : set Fragmentation threshold 1306 */ 1307static int ray_set_frag(struct net_device *dev, 1308 struct iw_request_info *info, 1309 struct iw_param *vwrq, 1310 char *extra) 1311{ 1312 ray_dev_t *local = (ray_dev_t *)dev->priv; 1313 int fthr = vwrq->value; 1314 1315 /* Reject if card is already initialised */ 1316 if(local->card_status != CARD_AWAITING_PARAM) 1317 return -EBUSY; 1318 1319 /* if(wrq->u.frag.fixed == 0) should complain */ 1320 if(vwrq->disabled) 1321 fthr = 32767; 1322 else { 1323 if((fthr < 256) || (fthr > 2347)) /* To check out ! */ 1324 return -EINVAL; 1325 } 1326 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF; 1327 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF; 1328 1329 return -EINPROGRESS; /* Call commit handler */ 1330} 1331 1332/*------------------------------------------------------------------*/ 1333/* 1334 * Wireless Handler : get Fragmentation threshold 1335 */ 1336static int ray_get_frag(struct net_device *dev, 1337 struct iw_request_info *info, 1338 struct iw_param *vwrq, 1339 char *extra) 1340{ 1341 ray_dev_t *local = (ray_dev_t *)dev->priv; 1342 1343 vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8) 1344 + local->sparm.b5.a_frag_threshold[1]; 1345 vwrq->disabled = (vwrq->value == 32767); 1346 vwrq->fixed = 1; 1347 1348 return 0; 1349} 1350 1351/*------------------------------------------------------------------*/ 1352/* 1353 * Wireless Handler : set Mode of Operation 1354 */ 1355static int ray_set_mode(struct net_device *dev, 1356 struct iw_request_info *info, 1357 __u32 *uwrq, 1358 char *extra) 1359{ 1360 ray_dev_t *local = (ray_dev_t *)dev->priv; 1361 int err = -EINPROGRESS; /* Call commit handler */ 1362 char card_mode = 1; 1363 1364 /* Reject if card is already initialised */ 1365 if(local->card_status != CARD_AWAITING_PARAM) 1366 return -EBUSY; 1367 1368 switch (*uwrq) 1369 { 1370 case IW_MODE_ADHOC: 1371 card_mode = 0; 1372 // Fall through 1373 case IW_MODE_INFRA: 1374 local->sparm.b5.a_network_type = card_mode; 1375 break; 1376 default: 1377 err = -EINVAL; 1378 } 1379 1380 return err; 1381} 1382 1383/*------------------------------------------------------------------*/ 1384/* 1385 * Wireless Handler : get Mode of Operation 1386 */ 1387static int ray_get_mode(struct net_device *dev, 1388 struct iw_request_info *info, 1389 __u32 *uwrq, 1390 char *extra) 1391{ 1392 ray_dev_t *local = (ray_dev_t *)dev->priv; 1393 1394 if(local->sparm.b5.a_network_type) 1395 *uwrq = IW_MODE_INFRA; 1396 else 1397 *uwrq = IW_MODE_ADHOC; 1398 1399 return 0; 1400} 1401 1402/*------------------------------------------------------------------*/ 1403/* 1404 * Wireless Handler : get range info 1405 */ 1406static int ray_get_range(struct net_device *dev, 1407 struct iw_request_info *info, 1408 struct iw_point *dwrq, 1409 char *extra) 1410{ 1411 struct iw_range *range = (struct iw_range *) extra; 1412 1413 memset((char *) range, 0, sizeof(struct iw_range)); 1414 1415 /* Set the length (very important for backward compatibility) */ 1416 dwrq->length = sizeof(struct iw_range); 1417 1418 /* Set the Wireless Extension versions */ 1419 range->we_version_compiled = WIRELESS_EXT; 1420 range->we_version_source = 9; 1421 1422 /* Set information in the range struct */ 1423 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */ 1424 range->num_channels = hop_pattern_length[(int)country]; 1425 range->num_frequency = 0; 1426 range->max_qual.qual = 0; 1427 range->max_qual.level = 255; /* What's the correct value ? */ 1428 range->max_qual.noise = 255; /* Idem */ 1429 range->num_bitrates = 2; 1430 range->bitrate[0] = 1000000; /* 1 Mb/s */ 1431 range->bitrate[1] = 2000000; /* 2 Mb/s */ 1432 return 0; 1433} 1434 1435/*------------------------------------------------------------------*/ 1436/* 1437 * Wireless Private Handler : set framing mode 1438 */ 1439static int ray_set_framing(struct net_device *dev, 1440 struct iw_request_info *info, 1441 union iwreq_data *wrqu, 1442 char *extra) 1443{ 1444 translate = *(extra); /* Set framing mode */ 1445 1446 return 0; 1447} 1448 1449/*------------------------------------------------------------------*/ 1450/* 1451 * Wireless Private Handler : get framing mode 1452 */ 1453static int ray_get_framing(struct net_device *dev, 1454 struct iw_request_info *info, 1455 union iwreq_data *wrqu, 1456 char *extra) 1457{ 1458 *(extra) = translate; 1459 1460 return 0; 1461} 1462 1463/*------------------------------------------------------------------*/ 1464/* 1465 * Wireless Private Handler : get country 1466 */ 1467static int ray_get_country(struct net_device *dev, 1468 struct iw_request_info *info, 1469 union iwreq_data *wrqu, 1470 char *extra) 1471{ 1472 *(extra) = country; 1473 1474 return 0; 1475} 1476 1477/*------------------------------------------------------------------*/ 1478/* 1479 * Commit handler : called after a bunch of SET operations 1480 */ 1481static int ray_commit(struct net_device *dev, 1482 struct iw_request_info *info, /* NULL */ 1483 void *zwrq, /* NULL */ 1484 char *extra) /* NULL */ 1485{ 1486 return 0; 1487} 1488 1489/*------------------------------------------------------------------*/ 1490/* 1491 * Stats handler : return Wireless Stats 1492 */ 1493static iw_stats * ray_get_wireless_stats(struct net_device * dev) 1494{ 1495 ray_dev_t * local = (ray_dev_t *) dev->priv; 1496 struct pcmcia_device *link = local->finder; 1497 struct status __iomem *p = local->sram + STATUS_BASE; 1498 1499 if(local == (ray_dev_t *) NULL) 1500 return (iw_stats *) NULL; 1501 1502 local->wstats.status = local->card_status; 1503#ifdef WIRELESS_SPY 1504 if((local->spy_data.spy_number > 0) && (local->sparm.b5.a_network_type == 0)) 1505 { 1506 /* Get it from the first node in spy list */ 1507 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual; 1508 local->wstats.qual.level = local->spy_data.spy_stat[0].level; 1509 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise; 1510 local->wstats.qual.updated = local->spy_data.spy_stat[0].updated; 1511 } 1512#endif /* WIRELESS_SPY */ 1513 1514 if(pcmcia_dev_present(link)) { 1515 local->wstats.qual.noise = readb(&p->rxnoise); 1516 local->wstats.qual.updated |= 4; 1517 } 1518 1519 return &local->wstats; 1520} /* end ray_get_wireless_stats */ 1521 1522/*------------------------------------------------------------------*/ 1523/* 1524 * Structures to export the Wireless Handlers 1525 */ 1526 1527static const iw_handler ray_handler[] = { 1528 [SIOCSIWCOMMIT-SIOCIWFIRST] = (iw_handler) ray_commit, 1529 [SIOCGIWNAME -SIOCIWFIRST] = (iw_handler) ray_get_name, 1530 [SIOCSIWFREQ -SIOCIWFIRST] = (iw_handler) ray_set_freq, 1531 [SIOCGIWFREQ -SIOCIWFIRST] = (iw_handler) ray_get_freq, 1532 [SIOCSIWMODE -SIOCIWFIRST] = (iw_handler) ray_set_mode, 1533 [SIOCGIWMODE -SIOCIWFIRST] = (iw_handler) ray_get_mode, 1534 [SIOCGIWRANGE -SIOCIWFIRST] = (iw_handler) ray_get_range, 1535#ifdef WIRELESS_SPY 1536 [SIOCSIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_set_spy, 1537 [SIOCGIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_get_spy, 1538 [SIOCSIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy, 1539 [SIOCGIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy, 1540#endif /* WIRELESS_SPY */ 1541 [SIOCGIWAP -SIOCIWFIRST] = (iw_handler) ray_get_wap, 1542 [SIOCSIWESSID -SIOCIWFIRST] = (iw_handler) ray_set_essid, 1543 [SIOCGIWESSID -SIOCIWFIRST] = (iw_handler) ray_get_essid, 1544 [SIOCSIWRATE -SIOCIWFIRST] = (iw_handler) ray_set_rate, 1545 [SIOCGIWRATE -SIOCIWFIRST] = (iw_handler) ray_get_rate, 1546 [SIOCSIWRTS -SIOCIWFIRST] = (iw_handler) ray_set_rts, 1547 [SIOCGIWRTS -SIOCIWFIRST] = (iw_handler) ray_get_rts, 1548 [SIOCSIWFRAG -SIOCIWFIRST] = (iw_handler) ray_set_frag, 1549 [SIOCGIWFRAG -SIOCIWFIRST] = (iw_handler) ray_get_frag, 1550}; 1551 1552#define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */ 1553#define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */ 1554#define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */ 1555 1556static const iw_handler ray_private_handler[] = { 1557 [0] = (iw_handler) ray_set_framing, 1558 [1] = (iw_handler) ray_get_framing, 1559 [3] = (iw_handler) ray_get_country, 1560}; 1561 1562static const struct iw_priv_args ray_private_args[] = { 1563/* cmd, set_args, get_args, name */ 1564{ SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "set_framing" }, 1565{ SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_framing" }, 1566{ SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_country" }, 1567}; 1568 1569static const struct iw_handler_def ray_handler_def = 1570{ 1571 .num_standard = sizeof(ray_handler)/sizeof(iw_handler), 1572 .num_private = sizeof(ray_private_handler)/sizeof(iw_handler), 1573 .num_private_args = sizeof(ray_private_args)/sizeof(struct iw_priv_args), 1574 .standard = ray_handler, 1575 .private = ray_private_handler, 1576 .private_args = ray_private_args, 1577 .get_wireless_stats = ray_get_wireless_stats, 1578}; 1579 1580/*===========================================================================*/ 1581static int ray_open(struct net_device *dev) 1582{ 1583 ray_dev_t *local = (ray_dev_t *)dev->priv; 1584 struct pcmcia_device *link; 1585 link = local->finder; 1586 1587 DEBUG(1, "ray_open('%s')\n", dev->name); 1588 1589 if (link->open == 0) 1590 local->num_multi = 0; 1591 link->open++; 1592 1593 /* If the card is not started, time to start it ! - Jean II */ 1594 if(local->card_status == CARD_AWAITING_PARAM) { 1595 int i; 1596 1597 DEBUG(1,"ray_open: doing init now !\n"); 1598 1599 /* Download startup parameters */ 1600 if ( (i = dl_startup_params(dev)) < 0) 1601 { 1602 printk(KERN_INFO "ray_dev_init dl_startup_params failed - " 1603 "returns 0x%x\n",i); 1604 return -1; 1605 } 1606 } 1607 1608 if (sniffer) netif_stop_queue(dev); 1609 else netif_start_queue(dev); 1610 1611 DEBUG(2,"ray_open ending\n"); 1612 return 0; 1613} /* end ray_open */ 1614/*===========================================================================*/ 1615static int ray_dev_close(struct net_device *dev) 1616{ 1617 ray_dev_t *local = (ray_dev_t *)dev->priv; 1618 struct pcmcia_device *link; 1619 link = local->finder; 1620 1621 DEBUG(1, "ray_dev_close('%s')\n", dev->name); 1622 1623 link->open--; 1624 netif_stop_queue(dev); 1625 1626 /* In here, we should stop the hardware (stop card from beeing active) 1627 * and set local->card_status to CARD_AWAITING_PARAM, so that while the 1628 * card is closed we can chage its configuration. 1629 * Probably also need a COR reset to get sane state - Jean II */ 1630 1631 return 0; 1632} /* end ray_dev_close */ 1633/*===========================================================================*/ 1634static void ray_reset(struct net_device *dev) { 1635 DEBUG(1,"ray_reset entered\n"); 1636 return; 1637} 1638/*===========================================================================*/ 1639/* Cause a firmware interrupt if it is ready for one */ 1640/* Return nonzero if not ready */ 1641static int interrupt_ecf(ray_dev_t *local, int ccs) 1642{ 1643 int i = 50; 1644 struct pcmcia_device *link = local->finder; 1645 1646 if (!(pcmcia_dev_present(link))) { 1647 DEBUG(2,"ray_cs interrupt_ecf - device not present\n"); 1648 return -1; 1649 } 1650 DEBUG(2,"interrupt_ecf(local=%p, ccs = 0x%x\n",local,ccs); 1651 1652 while ( i && 1653 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & ECF_INTR_SET)) 1654 i--; 1655 if (i == 0) { 1656 DEBUG(2,"ray_cs interrupt_ecf card not ready for interrupt\n"); 1657 return -1; 1658 } 1659 /* Fill the mailbox, then kick the card */ 1660 writeb(ccs, local->sram + SCB_BASE); 1661 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET); 1662 return 0; 1663} /* interrupt_ecf */ 1664/*===========================================================================*/ 1665/* Get next free transmit CCS */ 1666/* Return - index of current tx ccs */ 1667static int get_free_tx_ccs(ray_dev_t *local) 1668{ 1669 int i; 1670 struct ccs __iomem *pccs = ccs_base(local); 1671 struct pcmcia_device *link = local->finder; 1672 1673 if (!(pcmcia_dev_present(link))) { 1674 DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n"); 1675 return ECARDGONE; 1676 } 1677 1678 if (test_and_set_bit(0,&local->tx_ccs_lock)) { 1679 DEBUG(1,"ray_cs tx_ccs_lock busy\n"); 1680 return ECCSBUSY; 1681 } 1682 1683 for (i=0; i < NUMBER_OF_TX_CCS; i++) { 1684 if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) { 1685 writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status); 1686 writeb(CCS_END_LIST, &(pccs+i)->link); 1687 local->tx_ccs_lock = 0; 1688 return i; 1689 } 1690 } 1691 local->tx_ccs_lock = 0; 1692 DEBUG(2,"ray_cs ERROR no free tx CCS for raylink card\n"); 1693 return ECCSFULL; 1694} /* get_free_tx_ccs */ 1695/*===========================================================================*/ 1696/* Get next free CCS */ 1697/* Return - index of current ccs */ 1698static int get_free_ccs(ray_dev_t *local) 1699{ 1700 int i; 1701 struct ccs __iomem *pccs = ccs_base(local); 1702 struct pcmcia_device *link = local->finder; 1703 1704 if (!(pcmcia_dev_present(link))) { 1705 DEBUG(2,"ray_cs get_free_ccs - device not present\n"); 1706 return ECARDGONE; 1707 } 1708 if (test_and_set_bit(0,&local->ccs_lock)) { 1709 DEBUG(1,"ray_cs ccs_lock busy\n"); 1710 return ECCSBUSY; 1711 } 1712 1713 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) { 1714 if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) { 1715 writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status); 1716 writeb(CCS_END_LIST, &(pccs+i)->link); 1717 local->ccs_lock = 0; 1718 return i; 1719 } 1720 } 1721 local->ccs_lock = 0; 1722 DEBUG(1,"ray_cs ERROR no free CCS for raylink card\n"); 1723 return ECCSFULL; 1724} /* get_free_ccs */ 1725/*===========================================================================*/ 1726static void authenticate_timeout(u_long data) 1727{ 1728 ray_dev_t *local = (ray_dev_t *)data; 1729 del_timer(&local->timer); 1730 printk(KERN_INFO "ray_cs Authentication with access point failed" 1731 " - timeout\n"); 1732 join_net((u_long)local); 1733} 1734/*===========================================================================*/ 1735static int asc_to_int(char a) 1736{ 1737 if (a < '0') return -1; 1738 if (a <= '9') return (a - '0'); 1739 if (a < 'A') return -1; 1740 if (a <= 'F') return (10 + a - 'A'); 1741 if (a < 'a') return -1; 1742 if (a <= 'f') return (10 + a - 'a'); 1743 return -1; 1744} 1745/*===========================================================================*/ 1746static int parse_addr(char *in_str, UCHAR *out) 1747{ 1748 int len; 1749 int i,j,k; 1750 int status; 1751 1752 if (in_str == NULL) return 0; 1753 if ((len = strlen(in_str)) < 2) return 0; 1754 memset(out, 0, ADDRLEN); 1755 1756 status = 1; 1757 j = len - 1; 1758 if (j > 12) j = 12; 1759 i = 5; 1760 1761 while (j > 0) 1762 { 1763 if ((k = asc_to_int(in_str[j--])) != -1) out[i] = k; 1764 else return 0; 1765 1766 if (j == 0) break; 1767 if ((k = asc_to_int(in_str[j--])) != -1) out[i] += k << 4; 1768 else return 0; 1769 if (!i--) break; 1770 } 1771 return status; 1772} 1773/*===========================================================================*/ 1774static struct net_device_stats *ray_get_stats(struct net_device *dev) 1775{ 1776 ray_dev_t *local = (ray_dev_t *)dev->priv; 1777 struct pcmcia_device *link = local->finder; 1778 struct status __iomem *p = local->sram + STATUS_BASE; 1779 if (!(pcmcia_dev_present(link))) { 1780 DEBUG(2,"ray_cs net_device_stats - device not present\n"); 1781 return &local->stats; 1782 } 1783 if (readb(&p->mrx_overflow_for_host)) 1784 { 1785 local->stats.rx_over_errors += ntohs(readb(&p->mrx_overflow)); 1786 writeb(0,&p->mrx_overflow); 1787 writeb(0,&p->mrx_overflow_for_host); 1788 } 1789 if (readb(&p->mrx_checksum_error_for_host)) 1790 { 1791 local->stats.rx_crc_errors += ntohs(readb(&p->mrx_checksum_error)); 1792 writeb(0,&p->mrx_checksum_error); 1793 writeb(0,&p->mrx_checksum_error_for_host); 1794 } 1795 if (readb(&p->rx_hec_error_for_host)) 1796 { 1797 local->stats.rx_frame_errors += ntohs(readb(&p->rx_hec_error)); 1798 writeb(0,&p->rx_hec_error); 1799 writeb(0,&p->rx_hec_error_for_host); 1800 } 1801 return &local->stats; 1802} 1803/*===========================================================================*/ 1804static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len) 1805{ 1806 ray_dev_t *local = (ray_dev_t *)dev->priv; 1807 struct pcmcia_device *link = local->finder; 1808 int ccsindex; 1809 int i; 1810 struct ccs __iomem *pccs; 1811 1812 if (!(pcmcia_dev_present(link))) { 1813 DEBUG(2,"ray_update_parm - device not present\n"); 1814 return; 1815 } 1816 1817 if ((ccsindex = get_free_ccs(local)) < 0) 1818 { 1819 DEBUG(0,"ray_update_parm - No free ccs\n"); 1820 return; 1821 } 1822 pccs = ccs_base(local) + ccsindex; 1823 writeb(CCS_UPDATE_PARAMS, &pccs->cmd); 1824 writeb(objid, &pccs->var.update_param.object_id); 1825 writeb(1, &pccs->var.update_param.number_objects); 1826 writeb(0, &pccs->var.update_param.failure_cause); 1827 for (i=0; i<len; i++) { 1828 writeb(value[i], local->sram + HOST_TO_ECF_BASE); 1829 } 1830 /* Interrupt the firmware to process the command */ 1831 if (interrupt_ecf(local, ccsindex)) { 1832 DEBUG(0,"ray_cs associate failed - ECF not ready for intr\n"); 1833 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 1834 } 1835} 1836/*===========================================================================*/ 1837static void ray_update_multi_list(struct net_device *dev, int all) 1838{ 1839 struct dev_mc_list *dmi, **dmip; 1840 int ccsindex; 1841 struct ccs __iomem *pccs; 1842 int i = 0; 1843 ray_dev_t *local = (ray_dev_t *)dev->priv; 1844 struct pcmcia_device *link = local->finder; 1845 void __iomem *p = local->sram + HOST_TO_ECF_BASE; 1846 1847 if (!(pcmcia_dev_present(link))) { 1848 DEBUG(2,"ray_update_multi_list - device not present\n"); 1849 return; 1850 } 1851 else 1852 DEBUG(2,"ray_update_multi_list(%p)\n",dev); 1853 if ((ccsindex = get_free_ccs(local)) < 0) 1854 { 1855 DEBUG(1,"ray_update_multi - No free ccs\n"); 1856 return; 1857 } 1858 pccs = ccs_base(local) + ccsindex; 1859 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd); 1860 1861 if (all) { 1862 writeb(0xff, &pccs->var); 1863 local->num_multi = 0xff; 1864 } 1865 else { 1866 /* Copy the kernel's list of MC addresses to card */ 1867 for (dmip=&dev->mc_list; (dmi=*dmip)!=NULL; dmip=&dmi->next) { 1868 memcpy_toio(p, dmi->dmi_addr, ETH_ALEN); 1869 DEBUG(1,"ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",dmi->dmi_addr[0],dmi->dmi_addr[1],dmi->dmi_addr[2],dmi->dmi_addr[3],dmi->dmi_addr[4],dmi->dmi_addr[5]); 1870 p += ETH_ALEN; 1871 i++; 1872 } 1873 if (i > 256/ADDRLEN) i = 256/ADDRLEN; 1874 writeb((UCHAR)i, &pccs->var); 1875 DEBUG(1,"ray_cs update_multi %d addresses in list\n", i); 1876 /* Interrupt the firmware to process the command */ 1877 local->num_multi = i; 1878 } 1879 if (interrupt_ecf(local, ccsindex)) { 1880 DEBUG(1,"ray_cs update_multi failed - ECF not ready for intr\n"); 1881 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 1882 } 1883} /* end ray_update_multi_list */ 1884/*===========================================================================*/ 1885static void set_multicast_list(struct net_device *dev) 1886{ 1887 ray_dev_t *local = (ray_dev_t *)dev->priv; 1888 UCHAR promisc; 1889 1890 DEBUG(2,"ray_cs set_multicast_list(%p)\n",dev); 1891 1892 if (dev->flags & IFF_PROMISC) 1893 { 1894 if (local->sparm.b5.a_promiscuous_mode == 0) { 1895 DEBUG(1,"ray_cs set_multicast_list promisc on\n"); 1896 local->sparm.b5.a_promiscuous_mode = 1; 1897 promisc = 1; 1898 ray_update_parm(dev, OBJID_promiscuous_mode, \ 1899 &promisc, sizeof(promisc)); 1900 } 1901 } 1902 else { 1903 if (local->sparm.b5.a_promiscuous_mode == 1) { 1904 DEBUG(1,"ray_cs set_multicast_list promisc off\n"); 1905 local->sparm.b5.a_promiscuous_mode = 0; 1906 promisc = 0; 1907 ray_update_parm(dev, OBJID_promiscuous_mode, \ 1908 &promisc, sizeof(promisc)); 1909 } 1910 } 1911 1912 if (dev->flags & IFF_ALLMULTI) ray_update_multi_list(dev, 1); 1913 else 1914 { 1915 if (local->num_multi != dev->mc_count) ray_update_multi_list(dev, 0); 1916 } 1917} /* end set_multicast_list */ 1918/*============================================================================= 1919 * All routines below here are run at interrupt time. 1920=============================================================================*/ 1921static irqreturn_t ray_interrupt(int irq, void *dev_id) 1922{ 1923 struct net_device *dev = (struct net_device *)dev_id; 1924 struct pcmcia_device *link; 1925 ray_dev_t *local; 1926 struct ccs __iomem *pccs; 1927 struct rcs __iomem *prcs; 1928 UCHAR rcsindex; 1929 UCHAR tmp; 1930 UCHAR cmd; 1931 UCHAR status; 1932 1933 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */ 1934 return IRQ_NONE; 1935 1936 DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev); 1937 1938 local = (ray_dev_t *)dev->priv; 1939 link = (struct pcmcia_device *)local->finder; 1940 if (!pcmcia_dev_present(link)) { 1941 DEBUG(2,"ray_cs interrupt from device not present or suspended.\n"); 1942 return IRQ_NONE; 1943 } 1944 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index); 1945 1946 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) 1947 { 1948 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex); 1949 clear_interrupt(local); 1950 return IRQ_HANDLED; 1951 } 1952 if (rcsindex < NUMBER_OF_CCS) /* If it's a returned CCS */ 1953 { 1954 pccs = ccs_base(local) + rcsindex; 1955 cmd = readb(&pccs->cmd); 1956 status = readb(&pccs->buffer_status); 1957 switch (cmd) 1958 { 1959 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */ 1960 del_timer(&local->timer); 1961 if (status == CCS_COMMAND_COMPLETE) { 1962 DEBUG(1,"ray_cs interrupt download_startup_parameters OK\n"); 1963 } 1964 else { 1965 DEBUG(1,"ray_cs interrupt download_startup_parameters fail\n"); 1966 } 1967 break; 1968 case CCS_UPDATE_PARAMS: 1969 DEBUG(1,"ray_cs interrupt update params done\n"); 1970 if (status != CCS_COMMAND_COMPLETE) { 1971 tmp = readb(&pccs->var.update_param.failure_cause); 1972 DEBUG(0,"ray_cs interrupt update params failed - reason %d\n",tmp); 1973 } 1974 break; 1975 case CCS_REPORT_PARAMS: 1976 DEBUG(1,"ray_cs interrupt report params done\n"); 1977 break; 1978 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */ 1979 DEBUG(1,"ray_cs interrupt CCS Update Multicast List done\n"); 1980 break; 1981 case CCS_UPDATE_POWER_SAVINGS_MODE: 1982 DEBUG(1,"ray_cs interrupt update power save mode done\n"); 1983 break; 1984 case CCS_START_NETWORK: 1985 case CCS_JOIN_NETWORK: 1986 if (status == CCS_COMMAND_COMPLETE) { 1987 if (readb(&pccs->var.start_network.net_initiated) == 1) { 1988 DEBUG(0,"ray_cs interrupt network \"%s\" started\n",\ 1989 local->sparm.b4.a_current_ess_id); 1990 } 1991 else { 1992 DEBUG(0,"ray_cs interrupt network \"%s\" joined\n",\ 1993 local->sparm.b4.a_current_ess_id); 1994 } 1995 memcpy_fromio(&local->bss_id,pccs->var.start_network.bssid,ADDRLEN); 1996 1997 if (local->fw_ver == 0x55) local->net_default_tx_rate = 3; 1998 else local->net_default_tx_rate = 1999 readb(&pccs->var.start_network.net_default_tx_rate); 2000 local->encryption = readb(&pccs->var.start_network.encryption); 2001 if (!sniffer && (local->net_type == INFRA) 2002 && !(local->sparm.b4.a_acting_as_ap_status)) { 2003 authenticate(local); 2004 } 2005 local->card_status = CARD_ACQ_COMPLETE; 2006 } 2007 else { 2008 local->card_status = CARD_ACQ_FAILED; 2009 2010 del_timer(&local->timer); 2011 local->timer.expires = jiffies + HZ*5; 2012 local->timer.data = (long)local; 2013 if (status == CCS_START_NETWORK) { 2014 DEBUG(0,"ray_cs interrupt network \"%s\" start failed\n",\ 2015 local->sparm.b4.a_current_ess_id); 2016 local->timer.function = &start_net; 2017 } 2018 else { 2019 DEBUG(0,"ray_cs interrupt network \"%s\" join failed\n",\ 2020 local->sparm.b4.a_current_ess_id); 2021 local->timer.function = &join_net; 2022 } 2023 add_timer(&local->timer); 2024 } 2025 break; 2026 case CCS_START_ASSOCIATION: 2027 if (status == CCS_COMMAND_COMPLETE) { 2028 local->card_status = CARD_ASSOC_COMPLETE; 2029 DEBUG(0,"ray_cs association successful\n"); 2030 } 2031 else 2032 { 2033 DEBUG(0,"ray_cs association failed,\n"); 2034 local->card_status = CARD_ASSOC_FAILED; 2035 join_net((u_long)local); 2036 } 2037 break; 2038 case CCS_TX_REQUEST: 2039 if (status == CCS_COMMAND_COMPLETE) { 2040 DEBUG(3,"ray_cs interrupt tx request complete\n"); 2041 } 2042 else { 2043 DEBUG(1,"ray_cs interrupt tx request failed\n"); 2044 } 2045 if (!sniffer) netif_start_queue(dev); 2046 netif_wake_queue(dev); 2047 break; 2048 case CCS_TEST_MEMORY: 2049 DEBUG(1,"ray_cs interrupt mem test done\n"); 2050 break; 2051 case CCS_SHUTDOWN: 2052 DEBUG(1,"ray_cs interrupt Unexpected CCS returned - Shutdown\n"); 2053 break; 2054 case CCS_DUMP_MEMORY: 2055 DEBUG(1,"ray_cs interrupt dump memory done\n"); 2056 break; 2057 case CCS_START_TIMER: 2058 DEBUG(2,"ray_cs interrupt DING - raylink timer expired\n"); 2059 break; 2060 default: 2061 DEBUG(1,"ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",\ 2062 rcsindex, cmd); 2063 } 2064 writeb(CCS_BUFFER_FREE, &pccs->buffer_status); 2065 } 2066 else /* It's an RCS */ 2067 { 2068 prcs = rcs_base(local) + rcsindex; 2069 2070 switch (readb(&prcs->interrupt_id)) 2071 { 2072 case PROCESS_RX_PACKET: 2073 ray_rx(dev, local, prcs); 2074 break; 2075 case REJOIN_NET_COMPLETE: 2076 DEBUG(1,"ray_cs interrupt rejoin net complete\n"); 2077 local->card_status = CARD_ACQ_COMPLETE; 2078 /* do we need to clear tx buffers CCS's? */ 2079 if (local->sparm.b4.a_network_type == ADHOC) { 2080 if (!sniffer) netif_start_queue(dev); 2081 } 2082 else { 2083 memcpy_fromio(&local->bss_id, prcs->var.rejoin_net_complete.bssid, ADDRLEN); 2084 DEBUG(1,"ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",\ 2085 local->bss_id[0], local->bss_id[1], local->bss_id[2],\ 2086 local->bss_id[3], local->bss_id[4], local->bss_id[5]); 2087 if (!sniffer) authenticate(local); 2088 } 2089 break; 2090 case ROAMING_INITIATED: 2091 DEBUG(1,"ray_cs interrupt roaming initiated\n"); 2092 netif_stop_queue(dev); 2093 local->card_status = CARD_DOING_ACQ; 2094 break; 2095 case JAPAN_CALL_SIGN_RXD: 2096 DEBUG(1,"ray_cs interrupt japan call sign rx\n"); 2097 break; 2098 default: 2099 DEBUG(1,"ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",\ 2100 rcsindex, (unsigned int) readb(&prcs->interrupt_id)); 2101 break; 2102 } 2103 writeb(CCS_BUFFER_FREE, &prcs->buffer_status); 2104 } 2105 clear_interrupt(local); 2106 return IRQ_HANDLED; 2107} /* ray_interrupt */ 2108/*===========================================================================*/ 2109static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs) 2110{ 2111 int rx_len; 2112 unsigned int pkt_addr; 2113 void __iomem *pmsg; 2114 DEBUG(4,"ray_rx process rx packet\n"); 2115 2116 /* Calculate address of packet within Rx buffer */ 2117 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8) 2118 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END; 2119 /* Length of first packet fragment */ 2120 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8) 2121 + readb(&prcs->var.rx_packet.rx_data_length[1]); 2122 2123 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev); 2124 pmsg = local->rmem + pkt_addr; 2125 switch(readb(pmsg)) 2126 { 2127 case DATA_TYPE: 2128 DEBUG(4,"ray_rx data type\n"); 2129 rx_data(dev, prcs, pkt_addr, rx_len); 2130 break; 2131 case AUTHENTIC_TYPE: 2132 DEBUG(4,"ray_rx authentic type\n"); 2133 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len); 2134 else rx_authenticate(local, prcs, pkt_addr, rx_len); 2135 break; 2136 case DEAUTHENTIC_TYPE: 2137 DEBUG(4,"ray_rx deauth type\n"); 2138 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len); 2139 else rx_deauthenticate(local, prcs, pkt_addr, rx_len); 2140 break; 2141 case NULL_MSG_TYPE: 2142 DEBUG(3,"ray_cs rx NULL msg\n"); 2143 break; 2144 case BEACON_TYPE: 2145 DEBUG(4,"ray_rx beacon type\n"); 2146 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len); 2147 2148 copy_from_rx_buff(local, (UCHAR *)&local->last_bcn, pkt_addr, 2149 rx_len < sizeof(struct beacon_rx) ? 2150 rx_len : sizeof(struct beacon_rx)); 2151 2152 local->beacon_rxed = 1; 2153 /* Get the statistics so the card counters never overflow */ 2154 ray_get_stats(dev); 2155 break; 2156 default: 2157 DEBUG(0,"ray_cs unknown pkt type %2x\n", (unsigned int) readb(pmsg)); 2158 break; 2159 } 2160 2161} /* end ray_rx */ 2162/*===========================================================================*/ 2163static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr, 2164 int rx_len) 2165{ 2166 struct sk_buff *skb = NULL; 2167 struct rcs __iomem *prcslink = prcs; 2168 ray_dev_t *local = dev->priv; 2169 UCHAR *rx_ptr; 2170 int total_len; 2171 int tmp; 2172#ifdef WIRELESS_SPY 2173 int siglev = local->last_rsl; 2174 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */ 2175#endif 2176 2177 if (!sniffer) { 2178 if (translate) { 2179/* TBD length needs fixing for translated header */ 2180 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || 2181 rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN)) 2182 { 2183 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len); 2184 return; 2185 } 2186 } 2187 else /* encapsulated ethernet */ { 2188 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) || 2189 rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN)) 2190 { 2191 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len); 2192 return; 2193 } 2194 } 2195 } 2196 DEBUG(4,"ray_cs rx_data packet\n"); 2197 /* If fragmented packet, verify sizes of fragments add up */ 2198 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { 2199 DEBUG(1,"ray_cs rx'ed fragment\n"); 2200 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8) 2201 + readb(&prcs->var.rx_packet.totalpacketlength[1]); 2202 total_len = tmp; 2203 prcslink = prcs; 2204 do { 2205 tmp -= (readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8) 2206 + readb(&prcslink->var.rx_packet.rx_data_length[1]); 2207 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) == 0xFF 2208 || tmp < 0) break; 2209 prcslink = rcs_base(local) 2210 + readb(&prcslink->link_field); 2211 } while (1); 2212 2213 if (tmp < 0) 2214 { 2215 DEBUG(0,"ray_cs rx_data fragment lengths don't add up\n"); 2216 local->stats.rx_dropped++; 2217 release_frag_chain(local, prcs); 2218 return; 2219 } 2220 } 2221 else { /* Single unfragmented packet */ 2222 total_len = rx_len; 2223 } 2224 2225 skb = dev_alloc_skb( total_len+5 ); 2226 if (skb == NULL) 2227 { 2228 DEBUG(0,"ray_cs rx_data could not allocate skb\n"); 2229 local->stats.rx_dropped++; 2230 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) 2231 release_frag_chain(local, prcs); 2232 return; 2233 } 2234 skb_reserve( skb, 2); /* Align IP on 16 byte (TBD check this)*/ 2235 2236 DEBUG(4,"ray_cs rx_data total_len = %x, rx_len = %x\n",total_len,rx_len); 2237 2238/************************/ 2239 /* Reserve enough room for the whole damn packet. */ 2240 rx_ptr = skb_put( skb, total_len); 2241 /* Copy the whole packet to sk_buff */ 2242 rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len); 2243 /* Get source address */ 2244#ifdef WIRELESS_SPY 2245 skb_copy_from_linear_data_offset(skb, offsetof(struct mac_header, addr_2), 2246 linksrcaddr, ETH_ALEN); 2247#endif 2248 /* Now, deal with encapsulation/translation/sniffer */ 2249 if (!sniffer) { 2250 if (!translate) { 2251 /* Encapsulated ethernet, so just lop off 802.11 MAC header */ 2252/* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */ 2253 skb_pull( skb, RX_MAC_HEADER_LENGTH); 2254 } 2255 else { 2256 /* Do translation */ 2257 untranslate(local, skb, total_len); 2258 } 2259 } 2260 else 2261 { /* sniffer mode, so just pass whole packet */ }; 2262 2263/************************/ 2264 /* Now pick up the rest of the fragments if any */ 2265 tmp = 17; 2266 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) { 2267 prcslink = prcs; 2268 DEBUG(1,"ray_cs rx_data in fragment loop\n"); 2269 do { 2270 prcslink = rcs_base(local) 2271 + readb(&prcslink->var.rx_packet.next_frag_rcs_index); 2272 rx_len = (( readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8) 2273 + readb(&prcslink->var.rx_packet.rx_data_length[1])) 2274 & RX_BUFF_END; 2275 pkt_addr = (( readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << 8) 2276 + readb(&prcslink->var.rx_packet.rx_data_ptr[1])) 2277 & RX_BUFF_END; 2278 2279 rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len); 2280 2281 } while (tmp-- && 2282 readb(&prcslink->var.rx_packet.next_frag_rcs_index) != 0xFF); 2283 release_frag_chain(local, prcs); 2284 } 2285 2286 skb->protocol = eth_type_trans(skb,dev); 2287 netif_rx(skb); 2288 dev->last_rx = jiffies; 2289 local->stats.rx_packets++; 2290 local->stats.rx_bytes += total_len; 2291 2292 /* Gather signal strength per address */ 2293#ifdef WIRELESS_SPY 2294 /* For the Access Point or the node having started the ad-hoc net 2295 * note : ad-hoc work only in some specific configurations, but we 2296 * kludge in ray_get_wireless_stats... */ 2297 if(!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) 2298 { 2299 /* Update statistics */ 2300 /*local->wstats.qual.qual = none ? */ 2301 local->wstats.qual.level = siglev; 2302 /*local->wstats.qual.noise = none ? */ 2303 local->wstats.qual.updated = 0x2; 2304 } 2305 /* Now, update the spy stuff */ 2306 { 2307 struct iw_quality wstats; 2308 wstats.level = siglev; 2309 /* wstats.noise = none ? */ 2310 /* wstats.qual = none ? */ 2311 wstats.updated = 0x2; 2312 /* Update spy records */ 2313 wireless_spy_update(dev, linksrcaddr, &wstats); 2314 } 2315#endif /* WIRELESS_SPY */ 2316} /* end rx_data */ 2317/*===========================================================================*/ 2318static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len) 2319{ 2320 snaphdr_t *psnap = (snaphdr_t *)(skb->data + RX_MAC_HEADER_LENGTH); 2321 struct mac_header *pmac = (struct mac_header *)skb->data; 2322 unsigned short type = *(unsigned short *)psnap->ethertype; 2323 unsigned int xsap = *(unsigned int *)psnap & 0x00ffffff; 2324 unsigned int org = (*(unsigned int *)psnap->org) & 0x00ffffff; 2325 int delta; 2326 struct ethhdr *peth; 2327 UCHAR srcaddr[ADDRLEN]; 2328 UCHAR destaddr[ADDRLEN]; 2329 2330 if (pmac->frame_ctl_2 & FC2_FROM_DS) { 2331 if (pmac->frame_ctl_2 & FC2_TO_DS) { /* AP to AP */ 2332 memcpy(destaddr, pmac->addr_3, ADDRLEN); 2333 memcpy(srcaddr, ((unsigned char *)pmac->addr_3) + ADDRLEN, ADDRLEN); 2334 } else { /* AP to terminal */ 2335 memcpy(destaddr, pmac->addr_1, ADDRLEN); 2336 memcpy(srcaddr, pmac->addr_3, ADDRLEN); 2337 } 2338 } else { /* Terminal to AP */ 2339 if (pmac->frame_ctl_2 & FC2_TO_DS) { 2340 memcpy(destaddr, pmac->addr_3, ADDRLEN); 2341 memcpy(srcaddr, pmac->addr_2, ADDRLEN); 2342 } else { /* Adhoc */ 2343 memcpy(destaddr, pmac->addr_1, ADDRLEN); 2344 memcpy(srcaddr, pmac->addr_2, ADDRLEN); 2345 } 2346 } 2347 2348#ifdef PCMCIA_DEBUG 2349 if (pc_debug > 3) { 2350 int i; 2351 printk(KERN_DEBUG "skb->data before untranslate"); 2352 for (i=0;i<64;i++) 2353 printk("%02x ",skb->data[i]); 2354 printk("\n" KERN_DEBUG "type = %08x, xsap = %08x, org = %08x\n", 2355 type,xsap,org); 2356 printk(KERN_DEBUG "untranslate skb->data = %p\n",skb->data); 2357 } 2358#endif 2359 2360 if ( xsap != SNAP_ID) { 2361 /* not a snap type so leave it alone */ 2362 DEBUG(3,"ray_cs untranslate NOT SNAP %x\n", *(unsigned int *)psnap & 0x00ffffff); 2363 2364 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; 2365 peth = (struct ethhdr *)(skb->data + delta); 2366 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH); 2367 } 2368 else { /* Its a SNAP */ 2369 if (org == BRIDGE_ENCAP) { /* EtherII and nuke the LLC */ 2370 DEBUG(3,"ray_cs untranslate Bridge encap\n"); 2371 delta = RX_MAC_HEADER_LENGTH 2372 + sizeof(struct snaphdr_t) - ETH_HLEN; 2373 peth = (struct ethhdr *)(skb->data + delta); 2374 peth->h_proto = type; 2375 } 2376 else { 2377 if (org == RFC1042_ENCAP) { 2378 switch (type) { 2379 case RAY_IPX_TYPE: 2380 case APPLEARP_TYPE: 2381 DEBUG(3,"ray_cs untranslate RFC IPX/AARP\n"); 2382 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; 2383 peth = (struct ethhdr *)(skb->data + delta); 2384 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH); 2385 break; 2386 default: 2387 DEBUG(3,"ray_cs untranslate RFC default\n"); 2388 delta = RX_MAC_HEADER_LENGTH + 2389 sizeof(struct snaphdr_t) - ETH_HLEN; 2390 peth = (struct ethhdr *)(skb->data + delta); 2391 peth->h_proto = type; 2392 break; 2393 } 2394 } 2395 else { 2396 printk("ray_cs untranslate very confused by packet\n"); 2397 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN; 2398 peth = (struct ethhdr *)(skb->data + delta); 2399 peth->h_proto = type; 2400 } 2401 } 2402 } 2403/* TBD reserve skb_reserve(skb, delta); */ 2404 skb_pull(skb, delta); 2405 DEBUG(3,"untranslate after skb_pull(%d), skb->data = %p\n",delta,skb->data); 2406 memcpy(peth->h_dest, destaddr, ADDRLEN); 2407 memcpy(peth->h_source, srcaddr, ADDRLEN); 2408#ifdef PCMCIA_DEBUG 2409 if (pc_debug > 3) { 2410 int i; 2411 printk(KERN_DEBUG "skb->data after untranslate:"); 2412 for (i=0;i<64;i++) 2413 printk("%02x ",skb->data[i]); 2414 printk("\n"); 2415 } 2416#endif 2417} /* end untranslate */ 2418/*===========================================================================*/ 2419/* Copy data from circular receive buffer to PC memory. 2420 * dest = destination address in PC memory 2421 * pkt_addr = source address in receive buffer 2422 * len = length of packet to copy 2423 */ 2424static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int length) 2425{ 2426 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1); 2427 if (wrap_bytes <= 0) 2428 { 2429 memcpy_fromio(dest,local->rmem + pkt_addr,length); 2430 } 2431 else /* Packet wrapped in circular buffer */ 2432 { 2433 memcpy_fromio(dest,local->rmem+pkt_addr,length - wrap_bytes); 2434 memcpy_fromio(dest + length - wrap_bytes, local->rmem, wrap_bytes); 2435 } 2436 return length; 2437} 2438/*===========================================================================*/ 2439static void release_frag_chain(ray_dev_t *local, struct rcs __iomem * prcs) 2440{ 2441 struct rcs __iomem *prcslink = prcs; 2442 int tmp = 17; 2443 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index); 2444 2445 while (tmp--) { 2446 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); 2447 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) { 2448 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex); 2449 break; 2450 } 2451 prcslink = rcs_base(local) + rcsindex; 2452 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index); 2453 } 2454 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status); 2455} 2456/*===========================================================================*/ 2457static void authenticate(ray_dev_t *local) 2458{ 2459 struct pcmcia_device *link = local->finder; 2460 DEBUG(0,"ray_cs Starting authentication.\n"); 2461 if (!(pcmcia_dev_present(link))) { 2462 DEBUG(2,"ray_cs authenticate - device not present\n"); 2463 return; 2464 } 2465 2466 del_timer(&local->timer); 2467 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) { 2468 local->timer.function = &join_net; 2469 } 2470 else { 2471 local->timer.function = &authenticate_timeout; 2472 } 2473 local->timer.expires = jiffies + HZ*2; 2474 local->timer.data = (long)local; 2475 add_timer(&local->timer); 2476 local->authentication_state = AWAITING_RESPONSE; 2477} /* end authenticate */ 2478/*===========================================================================*/ 2479static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, 2480 unsigned int pkt_addr, int rx_len) 2481{ 2482 UCHAR buff[256]; 2483 struct rx_msg *msg = (struct rx_msg *)buff; 2484 2485 del_timer(&local->timer); 2486 2487 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); 2488 /* if we are trying to get authenticated */ 2489 if (local->sparm.b4.a_network_type == ADHOC) { 2490 DEBUG(1,"ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", msg->var[0],msg->var[1],msg->var[2],msg->var[3],msg->var[4],msg->var[5]); 2491 if (msg->var[2] == 1) { 2492 DEBUG(0,"ray_cs Sending authentication response.\n"); 2493 if (!build_auth_frame (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) { 2494 local->authentication_state = NEED_TO_AUTH; 2495 memcpy(local->auth_id, msg->mac.addr_2, ADDRLEN); 2496 } 2497 } 2498 } 2499 else /* Infrastructure network */ 2500 { 2501 if (local->authentication_state == AWAITING_RESPONSE) { 2502 /* Verify authentication sequence #2 and success */ 2503 if (msg->var[2] == 2) { 2504 if ((msg->var[3] | msg->var[4]) == 0) { 2505 DEBUG(1,"Authentication successful\n"); 2506 local->card_status = CARD_AUTH_COMPLETE; 2507 associate(local); 2508 local->authentication_state = AUTHENTICATED; 2509 } 2510 else { 2511 DEBUG(0,"Authentication refused\n"); 2512 local->card_status = CARD_AUTH_REFUSED; 2513 join_net((u_long)local); 2514 local->authentication_state = UNAUTHENTICATED; 2515 } 2516 } 2517 } 2518 } 2519 2520} /* end rx_authenticate */ 2521/*===========================================================================*/ 2522static void associate(ray_dev_t *local) 2523{ 2524 struct ccs __iomem *pccs; 2525 struct pcmcia_device *link = local->finder; 2526 struct net_device *dev = link->priv; 2527 int ccsindex; 2528 if (!(pcmcia_dev_present(link))) { 2529 DEBUG(2,"ray_cs associate - device not present\n"); 2530 return; 2531 } 2532 /* If no tx buffers available, return*/ 2533 if ((ccsindex = get_free_ccs(local)) < 0) 2534 { 2535/* TBD should never be here but... what if we are? */ 2536 DEBUG(1,"ray_cs associate - No free ccs\n"); 2537 return; 2538 } 2539 DEBUG(1,"ray_cs Starting association with access point\n"); 2540 pccs = ccs_base(local) + ccsindex; 2541 /* fill in the CCS */ 2542 writeb(CCS_START_ASSOCIATION, &pccs->cmd); 2543 /* Interrupt the firmware to process the command */ 2544 if (interrupt_ecf(local, ccsindex)) { 2545 DEBUG(1,"ray_cs associate failed - ECF not ready for intr\n"); 2546 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 2547 2548 del_timer(&local->timer); 2549 local->timer.expires = jiffies + HZ*2; 2550 local->timer.data = (long)local; 2551 local->timer.function = &join_net; 2552 add_timer(&local->timer); 2553 local->card_status = CARD_ASSOC_FAILED; 2554 return; 2555 } 2556 if (!sniffer) netif_start_queue(dev); 2557 2558} /* end associate */ 2559/*===========================================================================*/ 2560static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, 2561 unsigned int pkt_addr, int rx_len) 2562{ 2563/* UCHAR buff[256]; 2564 struct rx_msg *msg = (struct rx_msg *)buff; 2565*/ 2566 DEBUG(0,"Deauthentication frame received\n"); 2567 local->authentication_state = UNAUTHENTICATED; 2568 /* Need to reauthenticate or rejoin depending on reason code */ 2569/* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff); 2570 */ 2571} 2572/*===========================================================================*/ 2573static void clear_interrupt(ray_dev_t *local) 2574{ 2575 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET); 2576} 2577/*===========================================================================*/ 2578#ifdef CONFIG_PROC_FS 2579#define MAXDATA (PAGE_SIZE - 80) 2580 2581static char *card_status[] = { 2582 "Card inserted - uninitialized", /* 0 */ 2583 "Card not downloaded", /* 1 */ 2584 "Waiting for download parameters", /* 2 */ 2585 "Card doing acquisition", /* 3 */ 2586 "Acquisition complete", /* 4 */ 2587 "Authentication complete", /* 5 */ 2588 "Association complete", /* 6 */ 2589 "???", "???", "???", "???", /* 7 8 9 10 undefined */ 2590 "Card init error", /* 11 */ 2591 "Download parameters error", /* 12 */ 2592 "???", /* 13 */ 2593 "Acquisition failed", /* 14 */ 2594 "Authentication refused", /* 15 */ 2595 "Association failed" /* 16 */ 2596}; 2597 2598static char *nettype[] = {"Adhoc", "Infra "}; 2599static char *framing[] = {"Encapsulation", "Translation"} 2600; 2601/*===========================================================================*/ 2602static int ray_cs_proc_read(char *buf, char **start, off_t offset, int len) 2603{ 2604/* Print current values which are not available via other means 2605 * eg ifconfig 2606 */ 2607 int i; 2608 struct pcmcia_device *link; 2609 struct net_device *dev; 2610 ray_dev_t *local; 2611 UCHAR *p; 2612 struct freq_hop_element *pfh; 2613 UCHAR c[33]; 2614 2615 link = this_device; 2616 if (!link) 2617 return 0; 2618 dev = (struct net_device *)link->priv; 2619 if (!dev) 2620 return 0; 2621 local = (ray_dev_t *)dev->priv; 2622 if (!local) 2623 return 0; 2624 2625 len = 0; 2626 2627 len += sprintf(buf + len, "Raylink Wireless LAN driver status\n"); 2628 len += sprintf(buf + len, "%s\n", rcsid); 2629 /* build 4 does not report version, and field is 0x55 after memtest */ 2630 len += sprintf(buf + len, "Firmware version = "); 2631 if (local->fw_ver == 0x55) 2632 len += sprintf(buf + len, "4 - Use dump_cis for more details\n"); 2633 else 2634 len += sprintf(buf + len, "%2d.%02d.%02d\n", 2635 local->fw_ver, local->fw_bld, local->fw_var); 2636 2637 for (i=0; i<32; i++) c[i] = local->sparm.b5.a_current_ess_id[i]; 2638 c[32] = 0; 2639 len += sprintf(buf + len, "%s network ESSID = \"%s\"\n", 2640 nettype[local->sparm.b5.a_network_type], c); 2641 2642 p = local->bss_id; 2643 len += sprintf(buf + len, 2644 "BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n", 2645 p[0],p[1],p[2],p[3],p[4],p[5]); 2646 2647 len += sprintf(buf + len, "Country code = %d\n", 2648 local->sparm.b5.a_curr_country_code); 2649 2650 i = local->card_status; 2651 if (i < 0) i = 10; 2652 if (i > 16) i = 10; 2653 len += sprintf(buf + len, "Card status = %s\n", card_status[i]); 2654 2655 len += sprintf(buf + len, "Framing mode = %s\n",framing[translate]); 2656 2657 len += sprintf(buf + len, "Last pkt signal lvl = %d\n", local->last_rsl); 2658 2659 if (local->beacon_rxed) { 2660 /* Pull some fields out of last beacon received */ 2661 len += sprintf(buf + len, "Beacon Interval = %d Kus\n", 2662 local->last_bcn.beacon_intvl[0] 2663 + 256 * local->last_bcn.beacon_intvl[1]); 2664 2665 p = local->last_bcn.elements; 2666 if (p[0] == C_ESSID_ELEMENT_ID) p += p[1] + 2; 2667 else { 2668 len += sprintf(buf + len, "Parse beacon failed at essid element id = %d\n",p[0]); 2669 return len; 2670 } 2671 2672 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) { 2673 len += sprintf(buf + len, "Supported rate codes = "); 2674 for (i=2; i<p[1] + 2; i++) 2675 len += sprintf(buf + len, "0x%02x ", p[i]); 2676 len += sprintf(buf + len, "\n"); 2677 p += p[1] + 2; 2678 } 2679 else { 2680 len += sprintf(buf + len, "Parse beacon failed at rates element\n"); 2681 return len; 2682 } 2683 2684 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) { 2685 pfh = (struct freq_hop_element *)p; 2686 len += sprintf(buf + len, "Hop dwell = %d Kus\n", 2687 pfh->dwell_time[0] + 256 * pfh->dwell_time[1]); 2688 len += sprintf(buf + len, "Hop set = %d \n", pfh->hop_set); 2689 len += sprintf(buf + len, "Hop pattern = %d \n", pfh->hop_pattern); 2690 len += sprintf(buf + len, "Hop index = %d \n", pfh->hop_index); 2691 p += p[1] + 2; 2692 } 2693 else { 2694 len += sprintf(buf + len, "Parse beacon failed at FH param element\n"); 2695 return len; 2696 } 2697 } else { 2698 len += sprintf(buf + len, "No beacons received\n"); 2699 } 2700 return len; 2701} 2702 2703#endif 2704/*===========================================================================*/ 2705static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type) 2706{ 2707 int addr; 2708 struct ccs __iomem *pccs; 2709 struct tx_msg __iomem *ptx; 2710 int ccsindex; 2711 2712 /* If no tx buffers available, return */ 2713 if ((ccsindex = get_free_tx_ccs(local)) < 0) 2714 { 2715 DEBUG(1,"ray_cs send authenticate - No free tx ccs\n"); 2716 return -1; 2717 } 2718 2719 pccs = ccs_base(local) + ccsindex; 2720 2721 /* Address in card space */ 2722 addr = TX_BUF_BASE + (ccsindex << 11); 2723 /* fill in the CCS */ 2724 writeb(CCS_TX_REQUEST, &pccs->cmd); 2725 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr); 2726 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1); 2727 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length); 2728 writeb(TX_AUTHENTICATE_LENGTH_LSB,pccs->var.tx_request.tx_data_length + 1); 2729 writeb(0, &pccs->var.tx_request.pow_sav_mode); 2730 2731 ptx = local->sram + addr; 2732 /* fill in the mac header */ 2733 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1); 2734 writeb(0, &ptx->mac.frame_ctl_2); 2735 2736 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN); 2737 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN); 2738 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); 2739 2740 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */ 2741 memset_io(ptx->var, 0, 6); 2742 writeb(auth_type & 0xff, ptx->var + 2); 2743 2744 /* Interrupt the firmware to process the command */ 2745 if (interrupt_ecf(local, ccsindex)) { 2746 DEBUG(1,"ray_cs send authentication request failed - ECF not ready for intr\n"); 2747 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); 2748 return -1; 2749 } 2750 return 0; 2751} /* End build_auth_frame */ 2752 2753/*===========================================================================*/ 2754#ifdef CONFIG_PROC_FS 2755static void raycs_write(const char *name, write_proc_t *w, void *data) 2756{ 2757 struct proc_dir_entry * entry = create_proc_entry(name, S_IFREG | S_IWUSR, NULL); 2758 if (entry) { 2759 entry->write_proc = w; 2760 entry->data = data; 2761 } 2762} 2763 2764static int write_essid(struct file *file, const char __user *buffer, unsigned long count, void *data) 2765{ 2766 static char proc_essid[33]; 2767 int len = count; 2768 2769 if (len > 32) 2770 len = 32; 2771 memset(proc_essid, 0, 33); 2772 if (copy_from_user(proc_essid, buffer, len)) 2773 return -EFAULT; 2774 essid = proc_essid; 2775 return count; 2776} 2777 2778static int write_int(struct file *file, const char __user *buffer, unsigned long count, void *data) 2779{ 2780 static char proc_number[10]; 2781 char *p; 2782 int nr, len; 2783 2784 if (!count) 2785 return 0; 2786 2787 if (count > 9) 2788 return -EINVAL; 2789 if (copy_from_user(proc_number, buffer, count)) 2790 return -EFAULT; 2791 p = proc_number; 2792 nr = 0; 2793 len = count; 2794 do { 2795 unsigned int c = *p - '0'; 2796 if (c > 9) 2797 return -EINVAL; 2798 nr = nr*10 + c; 2799 p++; 2800 } while (--len); 2801 *(int *)data = nr; 2802 return count; 2803} 2804#endif 2805 2806static struct pcmcia_device_id ray_ids[] = { 2807 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000), 2808 PCMCIA_DEVICE_NULL, 2809}; 2810MODULE_DEVICE_TABLE(pcmcia, ray_ids); 2811 2812static struct pcmcia_driver ray_driver = { 2813 .owner = THIS_MODULE, 2814 .drv = { 2815 .name = "ray_cs", 2816 }, 2817 .probe = ray_probe, 2818 .remove = ray_detach, 2819 .id_table = ray_ids, 2820 .suspend = ray_suspend, 2821 .resume = ray_resume, 2822}; 2823 2824static int __init init_ray_cs(void) 2825{ 2826 int rc; 2827 2828 DEBUG(1, "%s\n", rcsid); 2829 rc = pcmcia_register_driver(&ray_driver); 2830 DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",rc); 2831 2832#ifdef CONFIG_PROC_FS 2833 proc_mkdir("driver/ray_cs", NULL); 2834 2835 create_proc_info_entry("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_read); 2836 raycs_write("driver/ray_cs/essid", write_essid, NULL); 2837 raycs_write("driver/ray_cs/net_type", write_int, &net_type); 2838 raycs_write("driver/ray_cs/translate", write_int, &translate); 2839#endif 2840 if (translate != 0) translate = 1; 2841 return 0; 2842} /* init_ray_cs */ 2843 2844/*===========================================================================*/ 2845 2846static void __exit exit_ray_cs(void) 2847{ 2848 DEBUG(0, "ray_cs: cleanup_module\n"); 2849 2850#ifdef CONFIG_PROC_FS 2851 remove_proc_entry("driver/ray_cs/ray_cs", NULL); 2852 remove_proc_entry("driver/ray_cs/essid", NULL); 2853 remove_proc_entry("driver/ray_cs/net_type", NULL); 2854 remove_proc_entry("driver/ray_cs/translate", NULL); 2855 remove_proc_entry("driver/ray_cs", NULL); 2856#endif 2857 2858 pcmcia_unregister_driver(&ray_driver); 2859} /* exit_ray_cs */ 2860 2861module_init(init_ray_cs); 2862module_exit(exit_ray_cs); 2863 2864/*===========================================================================*/ 2865