root/drivers/net/wireless/ray_cs.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. ray_probe
  2. ray_detach
  3. ray_config
  4. ccs_base
  5. rcs_base
  6. ray_init
  7. dl_startup_params
  8. init_startup_params
  9. verify_dl_startup
  10. start_net
  11. join_net
  12. ray_release
  13. ray_suspend
  14. ray_resume
  15. ray_dev_init
  16. ray_dev_config
  17. ray_dev_start_xmit
  18. ray_hw_xmit
  19. translate_frame
  20. ray_build_header
  21. ray_get_name
  22. ray_set_freq
  23. ray_get_freq
  24. ray_set_essid
  25. ray_get_essid
  26. ray_get_wap
  27. ray_set_rate
  28. ray_get_rate
  29. ray_set_rts
  30. ray_get_rts
  31. ray_set_frag
  32. ray_get_frag
  33. ray_set_mode
  34. ray_get_mode
  35. ray_get_range
  36. ray_set_framing
  37. ray_get_framing
  38. ray_get_country
  39. ray_commit
  40. ray_get_wireless_stats
  41. ray_open
  42. ray_dev_close
  43. ray_reset
  44. interrupt_ecf
  45. get_free_tx_ccs
  46. get_free_ccs
  47. authenticate_timeout
  48. parse_addr
  49. ray_get_stats
  50. ray_update_parm
  51. ray_update_multi_list
  52. set_multicast_list
  53. ray_interrupt
  54. ray_rx
  55. rx_data
  56. untranslate
  57. copy_from_rx_buff
  58. release_frag_chain
  59. authenticate
  60. rx_authenticate
  61. associate
  62. rx_deauthenticate
  63. clear_interrupt
  64. ray_cs_proc_show
  65. build_auth_frame
  66. ray_cs_essid_proc_write
  67. int_proc_write
  68. init_ray_cs
  69. exit_ray_cs

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

/* [<][>][^][v][top][bottom][index][help] */