drivers/net/wireless/ray_cs.c

   1 /*=============================================================================
   2  *
   3  * A  PCMCIA client driver for the Raylink wireless LAN card.
   4  * The starting point for this module was the skeleton.c in the
   5  * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
   6  *
   7  *
   8  * Copyright (c) 1998  Corey Thomas (corey@world.std.com)
   9  *
  10  * This driver is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 only of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * It is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  22  *
  23  * Changes:
  24  * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
  25  * - reorganize kmallocs in ray_attach, checking all for failure
  26  *   and releasing the previous allocations if one fails
  27  *
  28  * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
  29  * - Audit copy_to_user in ioctl(SIOCGIWESSID)
  30  *
  31 =============================================================================*/
  32
  33 #include <linux/module.h>
  34 #include <linux/kernel.h>
  35 #include <linux/proc_fs.h>
  36 #include <linux/ptrace.h>
  37 #include <linux/seq_file.h>
  38 #include <linux/string.h>
  39 #include <linux/timer.h>
  40 #include <linux/init.h>
  41 #include <linux/netdevice.h>
  42 #include <linux/etherdevice.h>
  43 #include <linux/if_arp.h>
  44 #include <linux/ioport.h>
  45 #include <linux/skbuff.h>
  46 #include <linux/ethtool.h>
  47 #include <linux/ieee80211.h>
  48
  49 #include <pcmcia/cs_types.h>
  50 #include <pcmcia/cs.h>
  51 #include <pcmcia/cistpl.h>
  52 #include <pcmcia/cisreg.h>
  53 #include <pcmcia/ds.h>
  54
  55 #include <linux/wireless.h>
  56 #include <net/iw_handler.h>
  57
  58 #include <asm/io.h>
  59 #include <asm/system.h>
  60 #include <asm/byteorder.h>
  61 #include <asm/uaccess.h>
  62
  63 /* Warning : these stuff will slow down the driver... */
  64 #define WIRELESS_SPY            /* Enable spying addresses */
  65 /* Definitions we need for spy */
  66 typedef struct iw_statistics iw_stats;
  67 typedef u_char mac_addr[ETH_ALEN];      /* Hardware address */
  68
  69 #include "rayctl.h"
  70 #include "ray_cs.h"
  71
  72
  73 /** Prototypes based on PCMCIA skeleton driver *******************************/
  74 static int ray_config(struct pcmcia_device *link);
  75 static void ray_release(struct pcmcia_device *link);
  76 static void ray_detach(struct pcmcia_device *p_dev);
  77
  78 /***** Prototypes indicated by device structure ******************************/
  79 static int ray_dev_close(struct net_device *dev);
  80 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
  81 static struct net_device_stats *ray_get_stats(struct net_device *dev);
  82 static int ray_dev_init(struct net_device *dev);
  83
  84 static const struct ethtool_ops netdev_ethtool_ops;
  85
  86 static int ray_open(struct net_device *dev);
  87 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
  88                                             struct net_device *dev);
  89 static void set_multicast_list(struct net_device *dev);
  90 static void ray_update_multi_list(struct net_device *dev, int all);
  91 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
  92                            unsigned char *data, int len);
  93 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
  94                              UCHAR msg_type, unsigned char *data);
  95 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
  96 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
  97 static const struct iw_handler_def ray_handler_def;
  98
  99 /***** Prototypes for raylink functions **************************************/
 100 static int asc_to_int(char a);
 101 static void authenticate(ray_dev_t *local);
 102 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
 103 static void authenticate_timeout(u_long);
 104 static int get_free_ccs(ray_dev_t *local);
 105 static int get_free_tx_ccs(ray_dev_t *local);
 106 static void init_startup_params(ray_dev_t *local);
 107 static int parse_addr(char *in_str, UCHAR *out);
 108 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
 109 static int ray_init(struct net_device *dev);
 110 static int interrupt_ecf(ray_dev_t *local, int ccs);
 111 static void ray_reset(struct net_device *dev);
 112 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
 113 static void verify_dl_startup(u_long);
 114
 115 /* Prototypes for interrpt time functions **********************************/
 116 static irqreturn_t ray_interrupt(int reg, void *dev_id);
 117 static void clear_interrupt(ray_dev_t *local);
 118 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
 119                               unsigned int pkt_addr, int rx_len);
 120 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
 121 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
 122 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
 123 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
 124                             unsigned int pkt_addr, int rx_len);
 125 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
 126                     unsigned int pkt_addr, int rx_len);
 127 static void associate(ray_dev_t *local);
 128
 129 /* Card command functions */
 130 static int dl_startup_params(struct net_device *dev);
 131 static void join_net(u_long local);
 132 static void start_net(u_long local);
 133 /* void start_net(ray_dev_t *local); */
 134
 135 /*===========================================================================*/
 136 /* Parameters that can be set with 'insmod' */
 137
 138 /* ADHOC=0, Infrastructure=1 */
 139 static int net_type = ADHOC;
 140
 141 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
 142 static int hop_dwell = 128;
 143
 144 /* Beacon period in Kus */
 145 static int beacon_period = 256;
 146
 147 /* power save mode (0 = off, 1 = save power) */
 148 static int psm;
 149
 150 /* String for network's Extended Service Set ID. 32 Characters max */
 151 static char *essid;
 152
 153 /* Default to encapsulation unless translation requested */
 154 static int translate = 1;
 155
 156 static int country = USA;
 157
 158 static int sniffer;
 159
 160 static int bc;
 161
 162 /* 48 bit physical card address if overriding card's real physical
 163  * address is required.  Since IEEE 802.11 addresses are 48 bits
 164  * like ethernet, an int can't be used, so a string is used. To
 165  * allow use of addresses starting with a decimal digit, the first
 166  * character must be a letter and will be ignored. This letter is
 167  * followed by up to 12 hex digits which are the address.  If less
 168  * than 12 digits are used, the address will be left filled with 0's.
 169  * Note that bit 0 of the first byte is the broadcast bit, and evil
 170  * things will happen if it is not 0 in a card address.
 171  */
 172 static char *phy_addr = NULL;
 173
 174
 175 /* A struct pcmcia_device structure has fields for most things that are needed
 176    to keep track of a socket, but there will usually be some device
 177    specific information that also needs to be kept track of.  The
 178    'priv' pointer in a struct pcmcia_device structure can be used to point to
 179    a device-specific private data structure, like this.
 180 */
 181 static unsigned int ray_mem_speed = 500;
 182
 183 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
 184 static struct pcmcia_device *this_device = NULL;
 185
 186 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
 187 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
 188 MODULE_LICENSE("GPL");
 189
 190 module_param(net_type, int, 0);
 191 module_param(hop_dwell, int, 0);
 192 module_param(beacon_period, int, 0);
 193 module_param(psm, int, 0);
 194 module_param(essid, charp, 0);
 195 module_param(translate, int, 0);
 196 module_param(country, int, 0);
 197 module_param(sniffer, int, 0);
 198 module_param(bc, int, 0);
 199 module_param(phy_addr, charp, 0);
 200 module_param(ray_mem_speed, int, 0);
 201
 202 static UCHAR b5_default_startup_parms[] = {
 203         0, 0,                   /* Adhoc station */
 204         'L', 'I', 'N', 'U', 'X', 0, 0, 0,       /* 32 char ESSID */
 205         0, 0, 0, 0, 0, 0, 0, 0,
 206         0, 0, 0, 0, 0, 0, 0, 0,
 207         0, 0, 0, 0, 0, 0, 0, 0,
 208         1, 0,                   /* Active scan, CA Mode */
 209         0, 0, 0, 0, 0, 0,       /* No default MAC addr  */
 210         0x7f, 0xff,             /* Frag threshold */
 211         0x00, 0x80,             /* Hop time 128 Kus */
 212         0x01, 0x00,             /* Beacon period 256 Kus */
 213         0x01, 0x07, 0xa3,       /* DTIM, retries, ack timeout */
 214         0x1d, 0x82, 0x4e,       /* SIFS, DIFS, PIFS */
 215         0x7f, 0xff,             /* RTS threshold */
 216         0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
 217         0x05,                   /* assoc resp timeout thresh */
 218         0x08, 0x02, 0x08,       /* adhoc, infra, super cycle max */
 219         0,                      /* Promiscuous mode */
 220         0x0c, 0x0bd,            /* Unique word */
 221         0x32,                   /* Slot time */
 222         0xff, 0xff,             /* roam-low snr, low snr count */
 223         0x05, 0xff,             /* Infra, adhoc missed bcn thresh */
 224         0x01, 0x0b, 0x4f,       /* USA, hop pattern, hop pat length */
 225 /* b4 - b5 differences start here */
 226         0x00, 0x3f,             /* CW max */
 227         0x00, 0x0f,             /* CW min */
 228         0x04, 0x08,             /* Noise gain, limit offset */
 229         0x28, 0x28,             /* det rssi, med busy offsets */
 230         7,                      /* det sync thresh */
 231         0, 2, 2,                /* test mode, min, max */
 232         0,                      /* allow broadcast SSID probe resp */
 233         0, 0,                   /* privacy must start, can join */
 234         2, 0, 0, 0, 0, 0, 0, 0  /* basic rate set */
 235 };
 236
 237 static UCHAR b4_default_startup_parms[] = {
 238         0, 0,                   /* Adhoc station */
 239         'L', 'I', 'N', 'U', 'X', 0, 0, 0,       /* 32 char ESSID */
 240         0, 0, 0, 0, 0, 0, 0, 0,
 241         0, 0, 0, 0, 0, 0, 0, 0,
 242         0, 0, 0, 0, 0, 0, 0, 0,
 243         1, 0,                   /* Active scan, CA Mode */
 244         0, 0, 0, 0, 0, 0,       /* No default MAC addr  */
 245         0x7f, 0xff,             /* Frag threshold */
 246         0x02, 0x00,             /* Hop time */
 247         0x00, 0x01,             /* Beacon period */
 248         0x01, 0x07, 0xa3,       /* DTIM, retries, ack timeout */
 249         0x1d, 0x82, 0xce,       /* SIFS, DIFS, PIFS */
 250         0x7f, 0xff,             /* RTS threshold */
 251         0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
 252         0x05,                   /* assoc resp timeout thresh */
 253         0x04, 0x02, 0x4,        /* adhoc, infra, super cycle max */
 254         0,                      /* Promiscuous mode */
 255         0x0c, 0x0bd,            /* Unique word */
 256         0x4e,                   /* Slot time (TBD seems wrong) */
 257         0xff, 0xff,             /* roam-low snr, low snr count */
 258         0x05, 0xff,             /* Infra, adhoc missed bcn thresh */
 259         0x01, 0x0b, 0x4e,       /* USA, hop pattern, hop pat length */
 260 /* b4 - b5 differences start here */
 261         0x3f, 0x0f,             /* CW max, min */
 262         0x04, 0x08,             /* Noise gain, limit offset */
 263         0x28, 0x28,             /* det rssi, med busy offsets */
 264         7,                      /* det sync thresh */
 265         0, 2, 2                 /* test mode, min, max */
 266 };
 267
 268 /*===========================================================================*/
 269 static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
 270
 271 static char hop_pattern_length[] = { 1,
 272         USA_HOP_MOD, EUROPE_HOP_MOD,
 273         JAPAN_HOP_MOD, KOREA_HOP_MOD,
 274         SPAIN_HOP_MOD, FRANCE_HOP_MOD,
 275         ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
 276         JAPAN_TEST_HOP_MOD
 277 };
 278
 279 static char rcsid[] =
 280     "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
 281
 282 static const struct net_device_ops ray_netdev_ops = {
 283         .ndo_init               = ray_dev_init,
 284         .ndo_open               = ray_open,
 285         .ndo_stop               = ray_dev_close,
 286         .ndo_start_xmit         = ray_dev_start_xmit,
 287         .ndo_set_config         = ray_dev_config,
 288         .ndo_get_stats          = ray_get_stats,
 289         .ndo_set_multicast_list = set_multicast_list,
 290         .ndo_change_mtu         = eth_change_mtu,
 291         .ndo_set_mac_address    = eth_mac_addr,
 292         .ndo_validate_addr      = eth_validate_addr,
 293 };
 294
 295 /*=============================================================================
 296     ray_attach() creates an "instance" of the driver, allocating
 297     local data structures for one device.  The device is registered
 298     with Card Services.
 299     The dev_link structure is initialized, but we don't actually
 300     configure the card at this point -- we wait until we receive a
 301     card insertion event.
 302 =============================================================================*/
 303 static int ray_probe(struct pcmcia_device *p_dev)
 304 {
 305         ray_dev_t *local;
 306         struct net_device *dev;
 307
 308         dev_dbg(&p_dev->dev, "ray_attach()\n");
 309
 310         /* Allocate space for private device-specific data */
 311         dev = alloc_etherdev(sizeof(ray_dev_t));
 312         if (!dev)
 313                 goto fail_alloc_dev;
 314
 315         local = netdev_priv(dev);
 316         local->finder = p_dev;
 317
 318         /* The io structure describes IO port mapping. None used here */
 319         p_dev->io.NumPorts1 = 0;
 320         p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 321         p_dev->io.IOAddrLines = 5;
 322
 323         /* General socket configuration */
 324         p_dev->conf.Attributes = CONF_ENABLE_IRQ;
 325         p_dev->conf.IntType = INT_MEMORY_AND_IO;
 326         p_dev->conf.ConfigIndex = 1;
 327
 328         p_dev->priv = dev;
 329
 330         local->finder = p_dev;
 331         local->card_status = CARD_INSERTED;
 332         local->authentication_state = UNAUTHENTICATED;
 333         local->num_multi = 0;
 334         dev_dbg(&p_dev->dev, "ray_attach p_dev = %p,  dev = %p,  local = %p, intr = %p\n",
 335               p_dev, dev, local, &ray_interrupt);
 336
 337         /* Raylink entries in the device structure */
 338         dev->netdev_ops = &ray_netdev_ops;
 339         SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
 340         dev->wireless_handlers = &ray_handler_def;
 341 #ifdef WIRELESS_SPY
 342         local->wireless_data.spy_data = &local->spy_data;
 343         dev->wireless_data = &local->wireless_data;
 344 #endif /* WIRELESS_SPY */
 345
 346
 347         dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
 348         netif_stop_queue(dev);
 349
 350         init_timer(&local->timer);
 351
 352         this_device = p_dev;
 353         return ray_config(p_dev);
 354
 355 fail_alloc_dev:
 356         return -ENOMEM;
 357 } /* ray_attach */
 358
 359 /*=============================================================================
 360     This deletes a driver "instance".  The device is de-registered
 361     with Card Services.  If it has been released, all local data
 362     structures are freed.  Otherwise, the structures will be freed
 363     when the device is released.
 364 =============================================================================*/
 365 static void ray_detach(struct pcmcia_device *link)
 366 {
 367         struct net_device *dev;
 368         ray_dev_t *local;
 369
 370         dev_dbg(&link->dev, "ray_detach\n");
 371
 372         this_device = NULL;
 373         dev = link->priv;
 374
 375         ray_release(link);
 376
 377         local = netdev_priv(dev);
 378         del_timer(&local->timer);
 379
 380         if (link->priv) {
 381                 unregister_netdev(dev);
 382                 free_netdev(dev);
 383         }
 384         dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
 385 } /* ray_detach */
 386
 387 /*=============================================================================
 388     ray_config() is run after a CARD_INSERTION event
 389     is received, to configure the PCMCIA socket, and to make the
 390     ethernet device available to the system.
 391 =============================================================================*/
 392 #define MAX_TUPLE_SIZE 128
 393 static int ray_config(struct pcmcia_device *link)
 394 {
 395         int ret = 0;
 396         int i;
 397         win_req_t req;
 398         memreq_t mem;
 399         struct net_device *dev = (struct net_device *)link->priv;
 400         ray_dev_t *local = netdev_priv(dev);
 401
 402         dev_dbg(&link->dev, "ray_config\n");
 403
 404         /* Determine card type and firmware version */
 405         printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
 406                link->prod_id[0] ? link->prod_id[0] : " ",
 407                link->prod_id[1] ? link->prod_id[1] : " ",
 408                link->prod_id[2] ? link->prod_id[2] : " ",
 409                link->prod_id[3] ? link->prod_id[3] : " ");
 410
 411         /* Now allocate an interrupt line.  Note that this does not
 412            actually assign a handler to the interrupt.
 413          */
 414         ret = pcmcia_request_irq(link, ray_interrupt);
 415         if (ret)
 416                 goto failed;
 417         dev->irq = link->irq;
 418
 419         /* This actually configures the PCMCIA socket -- setting up
 420            the I/O windows and the interrupt mapping.
 421          */
 422         ret = pcmcia_request_configuration(link, &link->conf);
 423         if (ret)
 424                 goto failed;
 425
 426 /*** Set up 32k window for shared memory (transmit and control) ************/
 427         req.Attributes =
 428             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
 429         req.Base = 0;
 430         req.Size = 0x8000;
 431         req.AccessSpeed = ray_mem_speed;
 432         ret = pcmcia_request_window(link, &req, &link->win);
 433         if (ret)
 434                 goto failed;
 435         mem.CardOffset = 0x0000;
 436         mem.Page = 0;
 437         ret = pcmcia_map_mem_page(link, link->win, &mem);
 438         if (ret)
 439                 goto failed;
 440         local->sram = ioremap(req.Base, req.Size);
 441
 442 /*** Set up 16k window for shared memory (receive buffer) ***************/
 443         req.Attributes =
 444             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
 445         req.Base = 0;
 446         req.Size = 0x4000;
 447         req.AccessSpeed = ray_mem_speed;
 448         ret = pcmcia_request_window(link, &req, &local->rmem_handle);
 449         if (ret)
 450                 goto failed;
 451         mem.CardOffset = 0x8000;
 452         mem.Page = 0;
 453         ret = pcmcia_map_mem_page(link, local->rmem_handle, &mem);
 454         if (ret)
 455                 goto failed;
 456         local->rmem = ioremap(req.Base, req.Size);
 457
 458 /*** Set up window for attribute memory ***********************************/
 459         req.Attributes =
 460             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
 461         req.Base = 0;
 462         req.Size = 0x1000;
 463         req.AccessSpeed = ray_mem_speed;
 464         ret = pcmcia_request_window(link, &req, &local->amem_handle);
 465         if (ret)
 466                 goto failed;
 467         mem.CardOffset = 0x0000;
 468         mem.Page = 0;
 469         ret = pcmcia_map_mem_page(link, local->amem_handle, &mem);
 470         if (ret)
 471                 goto failed;
 472         local->amem = ioremap(req.Base, req.Size);
 473
 474         dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
 475         dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
 476         dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
 477         if (ray_init(dev) < 0) {
 478                 ray_release(link);
 479                 return -ENODEV;
 480         }
 481
 482         SET_NETDEV_DEV(dev, &link->dev);
 483         i = register_netdev(dev);
 484         if (i != 0) {
 485                 printk("ray_config register_netdev() failed\n");
 486                 ray_release(link);
 487                 return i;
 488         }
 489
 490         printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
 491                dev->name, dev->irq, dev->dev_addr);
 492
 493         return 0;
 494
 495 failed:
 496         ray_release(link);
 497         return -ENODEV;
 498 } /* ray_config */
 499
 500 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
 501 {
 502         return dev->sram + CCS_BASE;
 503 }
 504
 505 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
 506 {
 507         /*
 508          * This looks nonsensical, since there is a separate
 509          * RCS_BASE. But the difference between a "struct rcs"
 510          * and a "struct ccs" ends up being in the _index_ off
 511          * the base, so the base pointer is the same for both
 512          * ccs/rcs.
 513          */
 514         return dev->sram + CCS_BASE;
 515 }
 516
 517 /*===========================================================================*/
 518 static int ray_init(struct net_device *dev)
 519 {
 520         int i;
 521         UCHAR *p;
 522         struct ccs __iomem *pccs;
 523         ray_dev_t *local = netdev_priv(dev);
 524         struct pcmcia_device *link = local->finder;
 525         dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
 526         if (!(pcmcia_dev_present(link))) {
 527                 dev_dbg(&link->dev, "ray_init - device not present\n");
 528                 return -1;
 529         }
 530
 531         local->net_type = net_type;
 532         local->sta_type = TYPE_STA;
 533
 534         /* Copy the startup results to local memory */
 535         memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
 536                       sizeof(struct startup_res_6));
 537
 538         /* Check Power up test status and get mac address from card */
 539         if (local->startup_res.startup_word != 0x80) {
 540                 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
 541                        local->startup_res.startup_word);
 542                 local->card_status = CARD_INIT_ERROR;
 543                 return -1;
 544         }
 545
 546         local->fw_ver = local->startup_res.firmware_version[0];
 547         local->fw_bld = local->startup_res.firmware_version[1];
 548         local->fw_var = local->startup_res.firmware_version[2];
 549         dev_dbg(&link->dev, "ray_init firmware version %d.%d \n", local->fw_ver,
 550               local->fw_bld);
 551
 552         local->tib_length = 0x20;
 553         if ((local->fw_ver == 5) && (local->fw_bld >= 30))
 554                 local->tib_length = local->startup_res.tib_length;
 555         dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
 556         /* Initialize CCS's to buffer free state */
 557         pccs = ccs_base(local);
 558         for (i = 0; i < NUMBER_OF_CCS; i++) {
 559                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 560         }
 561         init_startup_params(local);
 562
 563         /* copy mac address to startup parameters */
 564         if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
 565                 p = local->sparm.b4.a_mac_addr;
 566         } else {
 567                 memcpy(&local->sparm.b4.a_mac_addr,
 568                        &local->startup_res.station_addr, ADDRLEN);
 569                 p = local->sparm.b4.a_mac_addr;
 570         }
 571
 572         clear_interrupt(local); /* Clear any interrupt from the card */
 573         local->card_status = CARD_AWAITING_PARAM;
 574         dev_dbg(&link->dev, "ray_init ending\n");
 575         return 0;
 576 } /* ray_init */
 577
 578 /*===========================================================================*/
 579 /* Download startup parameters to the card and command it to read them       */
 580 static int dl_startup_params(struct net_device *dev)
 581 {
 582         int ccsindex;
 583         ray_dev_t *local = netdev_priv(dev);
 584         struct ccs __iomem *pccs;
 585         struct pcmcia_device *link = local->finder;
 586
 587         dev_dbg(&link->dev, "dl_startup_params entered\n");
 588         if (!(pcmcia_dev_present(link))) {
 589                 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
 590                 return -1;
 591         }
 592
 593         /* Copy parameters to host to ECF area */
 594         if (local->fw_ver == 0x55)
 595                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
 596                             sizeof(struct b4_startup_params));
 597         else
 598                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
 599                             sizeof(struct b5_startup_params));
 600
 601         /* Fill in the CCS fields for the ECF */
 602         if ((ccsindex = get_free_ccs(local)) < 0)
 603                 return -1;
 604         local->dl_param_ccs = ccsindex;
 605         pccs = ccs_base(local) + ccsindex;
 606         writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
 607         dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
 608               local->dl_param_ccs);
 609         /* Interrupt the firmware to process the command */
 610         if (interrupt_ecf(local, ccsindex)) {
 611                 printk(KERN_INFO "ray dl_startup_params failed - "
 612                        "ECF not ready for intr\n");
 613                 local->card_status = CARD_DL_PARAM_ERROR;
 614                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 615                 return -2;
 616         }
 617         local->card_status = CARD_DL_PARAM;
 618         /* Start kernel timer to wait for dl startup to complete. */
 619         local->timer.expires = jiffies + HZ / 2;
 620         local->timer.data = (long)local;
 621         local->timer.function = &verify_dl_startup;
 622         add_timer(&local->timer);
 623         dev_dbg(&link->dev,
 624               "ray_cs dl_startup_params started timer for verify_dl_startup\n");
 625         return 0;
 626 } /* dl_startup_params */
 627
 628 /*===========================================================================*/
 629 static void init_startup_params(ray_dev_t *local)
 630 {
 631         int i;
 632
 633         if (country > JAPAN_TEST)
 634                 country = USA;
 635         else if (country < USA)
 636                 country = USA;
 637         /* structure for hop time and beacon period is defined here using
 638          * New 802.11D6.1 format.  Card firmware is still using old format
 639          * until version 6.
 640          *    Before                    After
 641          *    a_hop_time ms byte        a_hop_time ms byte
 642          *    a_hop_time 2s byte        a_hop_time ls byte
 643          *    a_hop_time ls byte        a_beacon_period ms byte
 644          *    a_beacon_period           a_beacon_period ls byte
 645          *
 646          *    a_hop_time = uS           a_hop_time = KuS
 647          *    a_beacon_period = hops    a_beacon_period = KuS
 648          *//* 64ms = 010000 */
 649         if (local->fw_ver == 0x55) {
 650                 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
 651                        sizeof(struct b4_startup_params));
 652                 /* Translate sane kus input values to old build 4/5 format */
 653                 /* i = hop time in uS truncated to 3 bytes */
 654                 i = (hop_dwell * 1024) & 0xffffff;
 655                 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
 656                 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
 657                 local->sparm.b4.a_beacon_period[0] = 0;
 658                 local->sparm.b4.a_beacon_period[1] =
 659                     ((beacon_period / hop_dwell) - 1) & 0xff;
 660                 local->sparm.b4.a_curr_country_code = country;
 661                 local->sparm.b4.a_hop_pattern_length =
 662                     hop_pattern_length[(int)country] - 1;
 663                 if (bc) {
 664                         local->sparm.b4.a_ack_timeout = 0x50;
 665                         local->sparm.b4.a_sifs = 0x3f;
 666                 }
 667         } else { /* Version 5 uses real kus values */
 668                 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
 669                        sizeof(struct b5_startup_params));
 670
 671                 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
 672                 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
 673                 local->sparm.b5.a_beacon_period[0] =
 674                     (beacon_period >> 8) & 0xff;
 675                 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
 676                 if (psm)
 677                         local->sparm.b5.a_power_mgt_state = 1;
 678                 local->sparm.b5.a_curr_country_code = country;
 679                 local->sparm.b5.a_hop_pattern_length =
 680                     hop_pattern_length[(int)country];
 681         }
 682
 683         local->sparm.b4.a_network_type = net_type & 0x01;
 684         local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
 685
 686         if (essid != NULL)
 687                 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
 688 } /* init_startup_params */
 689
 690 /*===========================================================================*/
 691 static void verify_dl_startup(u_long data)
 692 {
 693         ray_dev_t *local = (ray_dev_t *) data;
 694         struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
 695         UCHAR status;
 696         struct pcmcia_device *link = local->finder;
 697
 698         if (!(pcmcia_dev_present(link))) {
 699                 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
 700                 return;
 701         }
 702 #if 0
 703         {
 704                 int i;
 705                 printk(KERN_DEBUG
 706                        "verify_dl_startup parameters sent via ccs %d:\n",
 707                        local->dl_param_ccs);
 708                 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
 709                         printk(" %2x",
 710                                (unsigned int)readb(local->sram +
 711                                                    HOST_TO_ECF_BASE + i));
 712                 }
 713                 printk("\n");
 714         }
 715 #endif
 716
 717         status = readb(&pccs->buffer_status);
 718         if (status != CCS_BUFFER_FREE) {
 719                 printk(KERN_INFO
 720                        "Download startup params failed.  Status = %d\n",
 721                        status);
 722                 local->card_status = CARD_DL_PARAM_ERROR;
 723                 return;
 724         }
 725         if (local->sparm.b4.a_network_type == ADHOC)
 726                 start_net((u_long) local);
 727         else
 728                 join_net((u_long) local);
 729
 730         return;
 731 } /* end verify_dl_startup */
 732
 733 /*===========================================================================*/
 734 /* Command card to start a network */
 735 static void start_net(u_long data)
 736 {
 737         ray_dev_t *local = (ray_dev_t *) data;
 738         struct ccs __iomem *pccs;
 739         int ccsindex;
 740         struct pcmcia_device *link = local->finder;
 741         if (!(pcmcia_dev_present(link))) {
 742                 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
 743                 return;
 744         }
 745         /* Fill in the CCS fields for the ECF */
 746         if ((ccsindex = get_free_ccs(local)) < 0)
 747                 return;
 748         pccs = ccs_base(local) + ccsindex;
 749         writeb(CCS_START_NETWORK, &pccs->cmd);
 750         writeb(0, &pccs->var.start_network.update_param);
 751         /* Interrupt the firmware to process the command */
 752         if (interrupt_ecf(local, ccsindex)) {
 753                 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
 754                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 755                 return;
 756         }
 757         local->card_status = CARD_DOING_ACQ;
 758         return;
 759 } /* end start_net */
 760
 761 /*===========================================================================*/
 762 /* Command card to join a network */
 763 static void join_net(u_long data)
 764 {
 765         ray_dev_t *local = (ray_dev_t *) data;
 766
 767         struct ccs __iomem *pccs;
 768         int ccsindex;
 769         struct pcmcia_device *link = local->finder;
 770
 771         if (!(pcmcia_dev_present(link))) {
 772                 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
 773                 return;
 774         }
 775         /* Fill in the CCS fields for the ECF */
 776         if ((ccsindex = get_free_ccs(local)) < 0)
 777                 return;
 778         pccs = ccs_base(local) + ccsindex;
 779         writeb(CCS_JOIN_NETWORK, &pccs->cmd);
 780         writeb(0, &pccs->var.join_network.update_param);
 781         writeb(0, &pccs->var.join_network.net_initiated);
 782         /* Interrupt the firmware to process the command */
 783         if (interrupt_ecf(local, ccsindex)) {
 784                 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
 785                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 786                 return;
 787         }
 788         local->card_status = CARD_DOING_ACQ;
 789         return;
 790 }
 791
 792 /*============================================================================
 793     After a card is removed, ray_release() will unregister the net
 794     device, and release the PCMCIA configuration.  If the device is
 795     still open, this will be postponed until it is closed.
 796 =============================================================================*/
 797 static void ray_release(struct pcmcia_device *link)
 798 {
 799         struct net_device *dev = link->priv;
 800         ray_dev_t *local = netdev_priv(dev);
 801         int i;
 802
 803         dev_dbg(&link->dev, "ray_release\n");
 804
 805         del_timer(&local->timer);
 806
 807         iounmap(local->sram);
 808         iounmap(local->rmem);
 809         iounmap(local->amem);
 810         /* Do bother checking to see if these succeed or not */
 811         i = pcmcia_release_window(link, local->amem_handle);
 812         if (i != 0)
 813                 dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i);
 814         i = pcmcia_release_window(link, local->rmem_handle);
 815         if (i != 0)
 816                 dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i);
 817         pcmcia_disable_device(link);
 818
 819         dev_dbg(&link->dev, "ray_release ending\n");
 820 }
 821
 822 static int ray_suspend(struct pcmcia_device *link)
 823 {
 824         struct net_device *dev = link->priv;
 825
 826         if (link->open)
 827                 netif_device_detach(dev);
 828
 829         return 0;
 830 }
 831
 832 static int ray_resume(struct pcmcia_device *link)
 833 {
 834         struct net_device *dev = link->priv;
 835
 836         if (link->open) {
 837                 ray_reset(dev);
 838                 netif_device_attach(dev);
 839         }
 840
 841         return 0;
 842 }
 843
 844 /*===========================================================================*/
 845 static int ray_dev_init(struct net_device *dev)
 846 {
 847 #ifdef RAY_IMMEDIATE_INIT
 848         int i;
 849 #endif /* RAY_IMMEDIATE_INIT */
 850         ray_dev_t *local = netdev_priv(dev);
 851         struct pcmcia_device *link = local->finder;
 852
 853         dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
 854         if (!(pcmcia_dev_present(link))) {
 855                 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
 856                 return -1;
 857         }
 858 #ifdef RAY_IMMEDIATE_INIT
 859         /* Download startup parameters */
 860         if ((i = dl_startup_params(dev)) < 0) {
 861                 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
 862                        "returns 0x%x\n", i);
 863                 return -1;
 864         }
 865 #else /* RAY_IMMEDIATE_INIT */
 866         /* Postpone the card init so that we can still configure the card,
 867          * for example using the Wireless Extensions. The init will happen
 868          * in ray_open() - Jean II */
 869         dev_dbg(&link->dev,
 870               "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
 871               local->card_status);
 872 #endif /* RAY_IMMEDIATE_INIT */
 873
 874         /* copy mac and broadcast addresses to linux device */
 875         memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
 876         memset(dev->broadcast, 0xff, ETH_ALEN);
 877
 878         dev_dbg(&link->dev, "ray_dev_init ending\n");
 879         return 0;
 880 }
 881
 882 /*===========================================================================*/
 883 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
 884 {
 885         ray_dev_t *local = netdev_priv(dev);
 886         struct pcmcia_device *link = local->finder;
 887         /* Dummy routine to satisfy device structure */
 888         dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
 889         if (!(pcmcia_dev_present(link))) {
 890                 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
 891                 return -1;
 892         }
 893
 894         return 0;
 895 }
 896
 897 /*===========================================================================*/
 898 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
 899                                             struct net_device *dev)
 900 {
 901         ray_dev_t *local = netdev_priv(dev);
 902         struct pcmcia_device *link = local->finder;
 903         short length = skb->len;
 904
 905         if (!pcmcia_dev_present(link)) {
 906                 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
 907                 dev_kfree_skb(skb);
 908                 return NETDEV_TX_OK;
 909         }
 910
 911         dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
 912         if (local->authentication_state == NEED_TO_AUTH) {
 913                 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
 914                 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
 915                         local->authentication_state = AUTHENTICATED;
 916                         netif_stop_queue(dev);
 917                         return NETDEV_TX_BUSY;
 918                 }
 919         }
 920
 921         if (length < ETH_ZLEN) {
 922                 if (skb_padto(skb, ETH_ZLEN))
 923                         return NETDEV_TX_OK;
 924                 length = ETH_ZLEN;
 925         }
 926         switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
 927         case XMIT_NO_CCS:
 928         case XMIT_NEED_AUTH:
 929                 netif_stop_queue(dev);
 930                 return NETDEV_TX_BUSY;
 931         case XMIT_NO_INTR:
 932         case XMIT_MSG_BAD:
 933         case XMIT_OK:
 934         default:
 935                 dev->trans_start = jiffies;
 936                 dev_kfree_skb(skb);
 937         }
 938
 939         return NETDEV_TX_OK;
 940 } /* ray_dev_start_xmit */
 941
 942 /*===========================================================================*/
 943 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
 944                        UCHAR msg_type)
 945 {
 946         ray_dev_t *local = netdev_priv(dev);
 947         struct ccs __iomem *pccs;
 948         int ccsindex;
 949         int offset;
 950         struct tx_msg __iomem *ptx;     /* Address of xmit buffer in PC space */
 951         short int addr;         /* Address of xmit buffer in card space */
 952
 953         pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
 954         if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
 955                 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
 956                        len);
 957                 return XMIT_MSG_BAD;
 958         }
 959         switch (ccsindex = get_free_tx_ccs(local)) {
 960         case ECCSBUSY:
 961                 pr_debug("ray_hw_xmit tx_ccs table busy\n");
 962         case ECCSFULL:
 963                 pr_debug("ray_hw_xmit No free tx ccs\n");
 964         case ECARDGONE:
 965                 netif_stop_queue(dev);
 966                 return XMIT_NO_CCS;
 967         default:
 968                 break;
 969         }
 970         addr = TX_BUF_BASE + (ccsindex << 11);
 971
 972         if (msg_type == DATA_TYPE) {
 973                 local->stats.tx_bytes += len;
 974                 local->stats.tx_packets++;
 975         }
 976
 977         ptx = local->sram + addr;
 978
 979         ray_build_header(local, ptx, msg_type, data);
 980         if (translate) {
 981                 offset = translate_frame(local, ptx, data, len);
 982         } else { /* Encapsulate frame */
 983                 /* TBD TIB length will move address of ptx->var */
 984                 memcpy_toio(&ptx->var, data, len);
 985                 offset = 0;
 986         }
 987
 988         /* fill in the CCS */
 989         pccs = ccs_base(local) + ccsindex;
 990         len += TX_HEADER_LENGTH + offset;
 991         writeb(CCS_TX_REQUEST, &pccs->cmd);
 992         writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
 993         writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
 994         writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
 995         writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
 996 /* TBD still need psm_cam? */
 997         writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
 998         writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
 999         writeb(0, &pccs->var.tx_request.antenna);
1000         pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
1001               local->net_default_tx_rate);
1002
1003         /* Interrupt the firmware to process the command */
1004         if (interrupt_ecf(local, ccsindex)) {
1005                 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
1006 /* TBD very inefficient to copy packet to buffer, and then not
1007    send it, but the alternative is to queue the messages and that
1008    won't be done for a while.  Maybe set tbusy until a CCS is free?
1009 */
1010                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1011                 return XMIT_NO_INTR;
1012         }
1013         return XMIT_OK;
1014 } /* end ray_hw_xmit */
1015
1016 /*===========================================================================*/
1017 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1018                            unsigned char *data, int len)
1019 {
1020         __be16 proto = ((struct ethhdr *)data)->h_proto;
1021         if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1022                 pr_debug("ray_cs translate_frame DIX II\n");
1023                 /* Copy LLC header to card buffer */
1024                 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1025                 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1026                             (UCHAR *) &proto, 2);
1027                 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1028                         /* This is the selective translation table, only 2 entries */
1029                         writeb(0xf8,
1030                                &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1031                 }
1032                 /* Copy body of ethernet packet without ethernet header */
1033                 memcpy_toio((void __iomem *)&ptx->var +
1034                             sizeof(struct snaphdr_t), data + ETH_HLEN,
1035                             len - ETH_HLEN);
1036                 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1037         } else { /* already  802 type, and proto is length */
1038                 pr_debug("ray_cs translate_frame 802\n");
1039                 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1040                         pr_debug("ray_cs translate_frame evil IPX\n");
1041                         memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1042                         return 0 - ETH_HLEN;
1043                 }
1044                 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1045                 return 0 - ETH_HLEN;
1046         }
1047         /* TBD do other frame types */
1048 } /* end translate_frame */
1049
1050 /*===========================================================================*/
1051 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1052                              UCHAR msg_type, unsigned char *data)
1053 {
1054         writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1055 /*** IEEE 802.11 Address field assignments *************
1056                 TODS    FROMDS  addr_1          addr_2          addr_3  addr_4
1057 Adhoc           0       0       dest            src (terminal)  BSSID   N/A
1058 AP to Terminal  0       1       dest            AP(BSSID)       source  N/A
1059 Terminal to AP  1       0       AP(BSSID)       src (terminal)  dest    N/A
1060 AP to AP        1       1       dest AP         src AP          dest    source
1061 *******************************************************/
1062         if (local->net_type == ADHOC) {
1063                 writeb(0, &ptx->mac.frame_ctl_2);
1064                 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1065                             2 * ADDRLEN);
1066                 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1067         } else { /* infrastructure */
1068
1069                 if (local->sparm.b4.a_acting_as_ap_status) {
1070                         writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1071                         memcpy_toio(ptx->mac.addr_1,
1072                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1073                         memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1074                         memcpy_toio(ptx->mac.addr_3,
1075                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1076                 } else { /* Terminal */
1077
1078                         writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1079                         memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1080                         memcpy_toio(ptx->mac.addr_2,
1081                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1082                         memcpy_toio(ptx->mac.addr_3,
1083                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1084                 }
1085         }
1086 } /* end encapsulate_frame */
1087
1088 /*===========================================================================*/
1089
1090 static void netdev_get_drvinfo(struct net_device *dev,
1091                                struct ethtool_drvinfo *info)
1092 {
1093         strcpy(info->driver, "ray_cs");
1094 }
1095
1096 static const struct ethtool_ops netdev_ethtool_ops = {
1097         .get_drvinfo = netdev_get_drvinfo,
1098 };
1099
1100 /*====================================================================*/
1101
1102 /*------------------------------------------------------------------*/
1103 /*
1104  * Wireless Handler : get protocol name
1105  */
1106 static int ray_get_name(struct net_device *dev,
1107                         struct iw_request_info *info, char *cwrq, char *extra)
1108 {
1109         strcpy(cwrq, "IEEE 802.11-FH");
1110         return 0;
1111 }
1112
1113 /*------------------------------------------------------------------*/
1114 /*
1115  * Wireless Handler : set frequency
1116  */
1117 static int ray_set_freq(struct net_device *dev,
1118                         struct iw_request_info *info,
1119                         struct iw_freq *fwrq, char *extra)
1120 {
1121         ray_dev_t *local = netdev_priv(dev);
1122         int err = -EINPROGRESS; /* Call commit handler */
1123
1124         /* Reject if card is already initialised */
1125         if (local->card_status != CARD_AWAITING_PARAM)
1126                 return -EBUSY;
1127
1128         /* Setting by channel number */
1129         if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
1130                 err = -EOPNOTSUPP;
1131         else
1132                 local->sparm.b5.a_hop_pattern = fwrq->m;
1133
1134         return err;
1135 }
1136
1137 /*------------------------------------------------------------------*/
1138 /*
1139  * Wireless Handler : get frequency
1140  */
1141 static int ray_get_freq(struct net_device *dev,
1142                         struct iw_request_info *info,
1143                         struct iw_freq *fwrq, char *extra)
1144 {
1145         ray_dev_t *local = netdev_priv(dev);
1146
1147         fwrq->m = local->sparm.b5.a_hop_pattern;
1148         fwrq->e = 0;
1149         return 0;
1150 }
1151
1152 /*------------------------------------------------------------------*/
1153 /*
1154  * Wireless Handler : set ESSID
1155  */
1156 static int ray_set_essid(struct net_device *dev,
1157                          struct iw_request_info *info,
1158                          struct iw_point *dwrq, char *extra)
1159 {
1160         ray_dev_t *local = netdev_priv(dev);
1161
1162         /* Reject if card is already initialised */
1163         if (local->card_status != CARD_AWAITING_PARAM)
1164                 return -EBUSY;
1165
1166         /* Check if we asked for `any' */
1167         if (dwrq->flags == 0) {
1168                 /* Corey : can you do that ? */
1169                 return -EOPNOTSUPP;
1170         } else {
1171                 /* Check the size of the string */
1172                 if (dwrq->length > IW_ESSID_MAX_SIZE) {
1173                         return -E2BIG;
1174                 }
1175
1176                 /* Set the ESSID in the card */
1177                 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1178                 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
1179         }
1180
1181         return -EINPROGRESS;    /* Call commit handler */
1182 }
1183
1184 /*------------------------------------------------------------------*/
1185 /*
1186  * Wireless Handler : get ESSID
1187  */
1188 static int ray_get_essid(struct net_device *dev,
1189                          struct iw_request_info *info,
1190                          struct iw_point *dwrq, char *extra)
1191 {
1192         ray_dev_t *local = netdev_priv(dev);
1193
1194         /* Get the essid that was set */
1195         memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1196
1197         /* Push it out ! */
1198         dwrq->length = strlen(extra);
1199         dwrq->flags = 1;        /* active */
1200
1201         return 0;
1202 }
1203
1204 /*------------------------------------------------------------------*/
1205 /*
1206  * Wireless Handler : get AP address
1207  */
1208 static int ray_get_wap(struct net_device *dev,
1209                        struct iw_request_info *info,
1210                        struct sockaddr *awrq, char *extra)
1211 {
1212         ray_dev_t *local = netdev_priv(dev);
1213
1214         memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
1215         awrq->sa_family = ARPHRD_ETHER;
1216
1217         return 0;
1218 }
1219
1220 /*------------------------------------------------------------------*/
1221 /*
1222  * Wireless Handler : set Bit-Rate
1223  */
1224 static int ray_set_rate(struct net_device *dev,
1225                         struct iw_request_info *info,
1226                         struct iw_param *vwrq, char *extra)
1227 {
1228         ray_dev_t *local = netdev_priv(dev);
1229
1230         /* Reject if card is already initialised */
1231         if (local->card_status != CARD_AWAITING_PARAM)
1232                 return -EBUSY;
1233
1234         /* Check if rate is in range */
1235         if ((vwrq->value != 1000000) && (vwrq->value != 2000000))
1236                 return -EINVAL;
1237
1238         /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1239         if ((local->fw_ver == 0x55) &&  /* Please check */
1240             (vwrq->value == 2000000))
1241                 local->net_default_tx_rate = 3;
1242         else
1243                 local->net_default_tx_rate = vwrq->value / 500000;
1244
1245         return 0;
1246 }
1247
1248 /*------------------------------------------------------------------*/
1249 /*
1250  * Wireless Handler : get Bit-Rate
1251  */
1252 static int ray_get_rate(struct net_device *dev,
1253                         struct iw_request_info *info,
1254                         struct iw_param *vwrq, char *extra)
1255 {
1256         ray_dev_t *local = netdev_priv(dev);
1257
1258         if (local->net_default_tx_rate == 3)
1259                 vwrq->value = 2000000;  /* Hum... */
1260         else
1261                 vwrq->value = local->net_default_tx_rate * 500000;
1262         vwrq->fixed = 0;        /* We are in auto mode */
1263
1264         return 0;
1265 }
1266
1267 /*------------------------------------------------------------------*/
1268 /*
1269  * Wireless Handler : set RTS threshold
1270  */
1271 static int ray_set_rts(struct net_device *dev,
1272                        struct iw_request_info *info,
1273                        struct iw_param *vwrq, char *extra)
1274 {
1275         ray_dev_t *local = netdev_priv(dev);
1276         int rthr = vwrq->value;
1277
1278         /* Reject if card is already initialised */
1279         if (local->card_status != CARD_AWAITING_PARAM)
1280                 return -EBUSY;
1281
1282         /* if(wrq->u.rts.fixed == 0) we should complain */
1283         if (vwrq->disabled)
1284                 rthr = 32767;
1285         else {
1286                 if ((rthr < 0) || (rthr > 2347))   /* What's the max packet size ??? */
1287                         return -EINVAL;
1288         }
1289         local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1290         local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1291
1292         return -EINPROGRESS;    /* Call commit handler */
1293 }
1294
1295 /*------------------------------------------------------------------*/
1296 /*
1297  * Wireless Handler : get RTS threshold
1298  */
1299 static int ray_get_rts(struct net_device *dev,
1300                        struct iw_request_info *info,
1301                        struct iw_param *vwrq, char *extra)
1302 {
1303         ray_dev_t *local = netdev_priv(dev);
1304
1305         vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
1306             + local->sparm.b5.a_rts_threshold[1];
1307         vwrq->disabled = (vwrq->value == 32767);
1308         vwrq->fixed = 1;
1309
1310         return 0;
1311 }
1312
1313 /*------------------------------------------------------------------*/
1314 /*
1315  * Wireless Handler : set Fragmentation threshold
1316  */
1317 static int ray_set_frag(struct net_device *dev,
1318                         struct iw_request_info *info,
1319                         struct iw_param *vwrq, char *extra)
1320 {
1321         ray_dev_t *local = netdev_priv(dev);
1322         int fthr = vwrq->value;
1323
1324         /* Reject if card is already initialised */
1325         if (local->card_status != CARD_AWAITING_PARAM)
1326                 return -EBUSY;
1327
1328         /* if(wrq->u.frag.fixed == 0) should complain */
1329         if (vwrq->disabled)
1330                 fthr = 32767;
1331         else {
1332                 if ((fthr < 256) || (fthr > 2347))      /* To check out ! */
1333                         return -EINVAL;
1334         }
1335         local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1336         local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1337
1338         return -EINPROGRESS;    /* Call commit handler */
1339 }
1340
1341 /*------------------------------------------------------------------*/
1342 /*
1343  * Wireless Handler : get Fragmentation threshold
1344  */
1345 static int ray_get_frag(struct net_device *dev,
1346                         struct iw_request_info *info,
1347                         struct iw_param *vwrq, char *extra)
1348 {
1349         ray_dev_t *local = netdev_priv(dev);
1350
1351         vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
1352             + local->sparm.b5.a_frag_threshold[1];
1353         vwrq->disabled = (vwrq->value == 32767);
1354         vwrq->fixed = 1;
1355
1356         return 0;
1357 }
1358
1359 /*------------------------------------------------------------------*/
1360 /*
1361  * Wireless Handler : set Mode of Operation
1362  */
1363 static int ray_set_mode(struct net_device *dev,
1364                         struct iw_request_info *info, __u32 *uwrq, char *extra)
1365 {
1366         ray_dev_t *local = netdev_priv(dev);
1367         int err = -EINPROGRESS; /* Call commit handler */
1368         char card_mode = 1;
1369
1370         /* Reject if card is already initialised */
1371         if (local->card_status != CARD_AWAITING_PARAM)
1372                 return -EBUSY;
1373
1374         switch (*uwrq) {
1375         case IW_MODE_ADHOC:
1376                 card_mode = 0;
1377                 /* Fall through */
1378         case IW_MODE_INFRA:
1379                 local->sparm.b5.a_network_type = card_mode;
1380                 break;
1381         default:
1382                 err = -EINVAL;
1383         }
1384
1385         return err;
1386 }
1387
1388 /*------------------------------------------------------------------*/
1389 /*
1390  * Wireless Handler : get Mode of Operation
1391  */
1392 static int ray_get_mode(struct net_device *dev,
1393                         struct iw_request_info *info, __u32 *uwrq, char *extra)
1394 {
1395         ray_dev_t *local = netdev_priv(dev);
1396
1397         if (local->sparm.b5.a_network_type)
1398                 *uwrq = IW_MODE_INFRA;
1399         else
1400                 *uwrq = IW_MODE_ADHOC;
1401
1402         return 0;
1403 }
1404
1405 /*------------------------------------------------------------------*/
1406 /*
1407  * Wireless Handler : get range info
1408  */
1409 static int ray_get_range(struct net_device *dev,
1410                          struct iw_request_info *info,
1411                          struct iw_point *dwrq, char *extra)
1412 {
1413         struct iw_range *range = (struct iw_range *)extra;
1414
1415         memset((char *)range, 0, sizeof(struct iw_range));
1416
1417         /* Set the length (very important for backward compatibility) */
1418         dwrq->length = sizeof(struct iw_range);
1419
1420         /* Set the Wireless Extension versions */
1421         range->we_version_compiled = WIRELESS_EXT;
1422         range->we_version_source = 9;
1423
1424         /* Set information in the range struct */
1425         range->throughput = 1.1 * 1000 * 1000;  /* Put the right number here */
1426         range->num_channels = hop_pattern_length[(int)country];
1427         range->num_frequency = 0;
1428         range->max_qual.qual = 0;
1429         range->max_qual.level = 255;    /* What's the correct value ? */
1430         range->max_qual.noise = 255;    /* Idem */
1431         range->num_bitrates = 2;
1432         range->bitrate[0] = 1000000;    /* 1 Mb/s */
1433         range->bitrate[1] = 2000000;    /* 2 Mb/s */
1434         return 0;
1435 }
1436
1437 /*------------------------------------------------------------------*/
1438 /*
1439  * Wireless Private Handler : set framing mode
1440  */
1441 static int ray_set_framing(struct net_device *dev,
1442                            struct iw_request_info *info,
1443                            union iwreq_data *wrqu, char *extra)
1444 {
1445         translate = *(extra);   /* Set framing mode */
1446
1447         return 0;
1448 }
1449
1450 /*------------------------------------------------------------------*/
1451 /*
1452  * Wireless Private Handler : get framing mode
1453  */
1454 static int ray_get_framing(struct net_device *dev,
1455                            struct iw_request_info *info,
1456                            union iwreq_data *wrqu, char *extra)
1457 {
1458         *(extra) = translate;
1459
1460         return 0;
1461 }
1462
1463 /*------------------------------------------------------------------*/
1464 /*
1465  * Wireless Private Handler : get country
1466  */
1467 static int ray_get_country(struct net_device *dev,
1468                            struct iw_request_info *info,
1469                            union iwreq_data *wrqu, char *extra)
1470 {
1471         *(extra) = country;
1472
1473         return 0;
1474 }
1475
1476 /*------------------------------------------------------------------*/
1477 /*
1478  * Commit handler : called after a bunch of SET operations
1479  */
1480 static int ray_commit(struct net_device *dev, struct iw_request_info *info,     /* NULL */
1481                       void *zwrq,       /* NULL */
1482                       char *extra)
1483 { /* NULL */
1484         return 0;
1485 }
1486
1487 /*------------------------------------------------------------------*/
1488 /*
1489  * Stats handler : return Wireless Stats
1490  */
1491 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1492 {
1493         ray_dev_t *local = netdev_priv(dev);
1494         struct pcmcia_device *link = local->finder;
1495         struct status __iomem *p = local->sram + STATUS_BASE;
1496
1497         local->wstats.status = local->card_status;
1498 #ifdef WIRELESS_SPY
1499         if ((local->spy_data.spy_number > 0)
1500             && (local->sparm.b5.a_network_type == 0)) {
1501                 /* Get it from the first node in spy list */
1502                 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1503                 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1504                 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1505                 local->wstats.qual.updated =
1506                     local->spy_data.spy_stat[0].updated;
1507         }
1508 #endif /* WIRELESS_SPY */
1509
1510         if (pcmcia_dev_present(link)) {
1511                 local->wstats.qual.noise = readb(&p->rxnoise);
1512                 local->wstats.qual.updated |= 4;
1513         }
1514
1515         return &local->wstats;
1516 } /* end ray_get_wireless_stats */
1517
1518 /*------------------------------------------------------------------*/
1519 /*
1520  * Structures to export the Wireless Handlers
1521  */
1522
1523 static const iw_handler ray_handler[] = {
1524         [SIOCSIWCOMMIT - SIOCIWFIRST] = (iw_handler) ray_commit,
1525         [SIOCGIWNAME - SIOCIWFIRST] = (iw_handler) ray_get_name,
1526         [SIOCSIWFREQ - SIOCIWFIRST] = (iw_handler) ray_set_freq,
1527         [SIOCGIWFREQ - SIOCIWFIRST] = (iw_handler) ray_get_freq,
1528         [SIOCSIWMODE - SIOCIWFIRST] = (iw_handler) ray_set_mode,
1529         [SIOCGIWMODE - SIOCIWFIRST] = (iw_handler) ray_get_mode,
1530         [SIOCGIWRANGE - SIOCIWFIRST] = (iw_handler) ray_get_range,
1531 #ifdef WIRELESS_SPY
1532         [SIOCSIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
1533         [SIOCGIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
1534         [SIOCSIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
1535         [SIOCGIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
1536 #endif /* WIRELESS_SPY */
1537         [SIOCGIWAP - SIOCIWFIRST] = (iw_handler) ray_get_wap,
1538         [SIOCSIWESSID - SIOCIWFIRST] = (iw_handler) ray_set_essid,
1539         [SIOCGIWESSID - SIOCIWFIRST] = (iw_handler) ray_get_essid,
1540         [SIOCSIWRATE - SIOCIWFIRST] = (iw_handler) ray_set_rate,
1541         [SIOCGIWRATE - SIOCIWFIRST] = (iw_handler) ray_get_rate,
1542         [SIOCSIWRTS - SIOCIWFIRST] = (iw_handler) ray_set_rts,
1543         [SIOCGIWRTS - SIOCIWFIRST] = (iw_handler) ray_get_rts,
1544         [SIOCSIWFRAG - SIOCIWFIRST] = (iw_handler) ray_set_frag,
1545         [SIOCGIWFRAG - SIOCIWFIRST] = (iw_handler) ray_get_frag,
1546 };
1547
1548 #define SIOCSIPFRAMING  SIOCIWFIRSTPRIV /* Set framing mode */
1549 #define SIOCGIPFRAMING  SIOCIWFIRSTPRIV + 1     /* Get framing mode */
1550 #define SIOCGIPCOUNTRY  SIOCIWFIRSTPRIV + 3     /* Get country code */
1551
1552 static const iw_handler ray_private_handler[] = {
1553         [0] = (iw_handler) ray_set_framing,
1554         [1] = (iw_handler) ray_get_framing,
1555         [3] = (iw_handler) ray_get_country,
1556 };
1557
1558 static const struct iw_priv_args ray_private_args[] = {
1559 /* cmd,         set_args,       get_args,       name */
1560         {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1561          "set_framing"},
1562         {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1563          "get_framing"},
1564         {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1565          "get_country"},
1566 };
1567
1568 static const struct iw_handler_def ray_handler_def = {
1569         .num_standard = ARRAY_SIZE(ray_handler),
1570         .num_private = ARRAY_SIZE(ray_private_handler),
1571         .num_private_args = ARRAY_SIZE(ray_private_args),
1572         .standard = ray_handler,
1573         .private = ray_private_handler,
1574         .private_args = ray_private_args,
1575         .get_wireless_stats = ray_get_wireless_stats,
1576 };
1577
1578 /*===========================================================================*/
1579 static int ray_open(struct net_device *dev)
1580 {
1581         ray_dev_t *local = netdev_priv(dev);
1582         struct pcmcia_device *link;
1583         link = local->finder;
1584
1585         dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1586
1587         if (link->open == 0)
1588                 local->num_multi = 0;
1589         link->open++;
1590
1591         /* If the card is not started, time to start it ! - Jean II */
1592         if (local->card_status == CARD_AWAITING_PARAM) {
1593                 int i;
1594
1595                 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1596
1597                 /* Download startup parameters */
1598                 if ((i = dl_startup_params(dev)) < 0) {
1599                         printk(KERN_INFO
1600                                "ray_dev_init dl_startup_params failed - "
1601                                "returns 0x%x\n", i);
1602                         return -1;
1603                 }
1604         }
1605
1606         if (sniffer)
1607                 netif_stop_queue(dev);
1608         else
1609                 netif_start_queue(dev);
1610
1611         dev_dbg(&link->dev, "ray_open ending\n");
1612         return 0;
1613 } /* end ray_open */
1614
1615 /*===========================================================================*/
1616 static int ray_dev_close(struct net_device *dev)
1617 {
1618         ray_dev_t *local = netdev_priv(dev);
1619         struct pcmcia_device *link;
1620         link = local->finder;
1621
1622         dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1623
1624         link->open--;
1625         netif_stop_queue(dev);
1626
1627         /* In here, we should stop the hardware (stop card from beeing active)
1628          * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1629          * card is closed we can chage its configuration.
1630          * Probably also need a COR reset to get sane state - Jean II */
1631
1632         return 0;
1633 } /* end ray_dev_close */
1634
1635 /*===========================================================================*/
1636 static void ray_reset(struct net_device *dev)
1637 {
1638         pr_debug("ray_reset entered\n");
1639         return;
1640 }
1641
1642 /*===========================================================================*/
1643 /* Cause a firmware interrupt if it is ready for one                         */
1644 /* Return nonzero if not ready                                               */
1645 static int interrupt_ecf(ray_dev_t *local, int ccs)
1646 {
1647         int i = 50;
1648         struct pcmcia_device *link = local->finder;
1649
1650         if (!(pcmcia_dev_present(link))) {
1651                 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1652                 return -1;
1653         }
1654         dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1655
1656         while (i &&
1657                (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1658                 ECF_INTR_SET))
1659                 i--;
1660         if (i == 0) {
1661                 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1662                 return -1;
1663         }
1664         /* Fill the mailbox, then kick the card */
1665         writeb(ccs, local->sram + SCB_BASE);
1666         writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1667         return 0;
1668 } /* interrupt_ecf */
1669
1670 /*===========================================================================*/
1671 /* Get next free transmit CCS                                                */
1672 /* Return - index of current tx ccs                                          */
1673 static int get_free_tx_ccs(ray_dev_t *local)
1674 {
1675         int i;
1676         struct ccs __iomem *pccs = ccs_base(local);
1677         struct pcmcia_device *link = local->finder;
1678
1679         if (!(pcmcia_dev_present(link))) {
1680                 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1681                 return ECARDGONE;
1682         }
1683
1684         if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1685                 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1686                 return ECCSBUSY;
1687         }
1688
1689         for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1690                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1691                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1692                         writeb(CCS_END_LIST, &(pccs + i)->link);
1693                         local->tx_ccs_lock = 0;
1694                         return i;
1695                 }
1696         }
1697         local->tx_ccs_lock = 0;
1698         dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1699         return ECCSFULL;
1700 } /* get_free_tx_ccs */
1701
1702 /*===========================================================================*/
1703 /* Get next free CCS                                                         */
1704 /* Return - index of current ccs                                             */
1705 static int get_free_ccs(ray_dev_t *local)
1706 {
1707         int i;
1708         struct ccs __iomem *pccs = ccs_base(local);
1709         struct pcmcia_device *link = local->finder;
1710
1711         if (!(pcmcia_dev_present(link))) {
1712                 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1713                 return ECARDGONE;
1714         }
1715         if (test_and_set_bit(0, &local->ccs_lock)) {
1716                 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1717                 return ECCSBUSY;
1718         }
1719
1720         for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1721                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1722                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1723                         writeb(CCS_END_LIST, &(pccs + i)->link);
1724                         local->ccs_lock = 0;
1725                         return i;
1726                 }
1727         }
1728         local->ccs_lock = 0;
1729         dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1730         return ECCSFULL;
1731 } /* get_free_ccs */
1732
1733 /*===========================================================================*/
1734 static void authenticate_timeout(u_long data)
1735 {
1736         ray_dev_t *local = (ray_dev_t *) data;
1737         del_timer(&local->timer);
1738         printk(KERN_INFO "ray_cs Authentication with access point failed"
1739                " - timeout\n");
1740         join_net((u_long) local);
1741 }
1742
1743 /*===========================================================================*/
1744 static int asc_to_int(char a)
1745 {
1746         if (a < '0')
1747                 return -1;
1748         if (a <= '9')
1749                 return (a - '0');
1750         if (a < 'A')
1751                 return -1;
1752         if (a <= 'F')
1753                 return (10 + a - 'A');
1754         if (a < 'a')
1755                 return -1;
1756         if (a <= 'f')
1757                 return (10 + a - 'a');
1758         return -1;
1759 }
1760
1761 /*===========================================================================*/
1762 static int parse_addr(char *in_str, UCHAR *out)
1763 {
1764         int len;
1765         int i, j, k;
1766         int status;
1767
1768         if (in_str == NULL)
1769                 return 0;
1770         if ((len = strlen(in_str)) < 2)
1771                 return 0;
1772         memset(out, 0, ADDRLEN);
1773
1774         status = 1;
1775         j = len - 1;
1776         if (j > 12)
1777                 j = 12;
1778         i = 5;
1779
1780         while (j > 0) {
1781                 if ((k = asc_to_int(in_str[j--])) != -1)
1782                         out[i] = k;
1783                 else
1784                         return 0;
1785
1786                 if (j == 0)
1787                         break;
1788                 if ((k = asc_to_int(in_str[j--])) != -1)
1789                         out[i] += k << 4;
1790                 else
1791                         return 0;
1792                 if (!i--)
1793                         break;
1794         }
1795         return status;
1796 }
1797
1798 /*===========================================================================*/
1799 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1800 {
1801         ray_dev_t *local = netdev_priv(dev);
1802         struct pcmcia_device *link = local->finder;
1803         struct status __iomem *p = local->sram + STATUS_BASE;
1804         if (!(pcmcia_dev_present(link))) {
1805                 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1806                 return &local->stats;
1807         }
1808         if (readb(&p->mrx_overflow_for_host)) {
1809                 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1810                 writeb(0, &p->mrx_overflow);
1811                 writeb(0, &p->mrx_overflow_for_host);
1812         }
1813         if (readb(&p->mrx_checksum_error_for_host)) {
1814                 local->stats.rx_crc_errors +=
1815                     swab16(readw(&p->mrx_checksum_error));
1816                 writeb(0, &p->mrx_checksum_error);
1817                 writeb(0, &p->mrx_checksum_error_for_host);
1818         }
1819         if (readb(&p->rx_hec_error_for_host)) {
1820                 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1821                 writeb(0, &p->rx_hec_error);
1822                 writeb(0, &p->rx_hec_error_for_host);
1823         }
1824         return &local->stats;
1825 }
1826
1827 /*===========================================================================*/
1828 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1829                             int len)
1830 {
1831         ray_dev_t *local = netdev_priv(dev);
1832         struct pcmcia_device *link = local->finder;
1833         int ccsindex;
1834         int i;
1835         struct ccs __iomem *pccs;
1836
1837         if (!(pcmcia_dev_present(link))) {
1838                 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1839                 return;
1840         }
1841
1842         if ((ccsindex = get_free_ccs(local)) < 0) {
1843                 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1844                 return;
1845         }
1846         pccs = ccs_base(local) + ccsindex;
1847         writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1848         writeb(objid, &pccs->var.update_param.object_id);
1849         writeb(1, &pccs->var.update_param.number_objects);
1850         writeb(0, &pccs->var.update_param.failure_cause);
1851         for (i = 0; i < len; i++) {
1852                 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1853         }
1854         /* Interrupt the firmware to process the command */
1855         if (interrupt_ecf(local, ccsindex)) {
1856                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1857                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1858         }
1859 }
1860
1861 /*===========================================================================*/
1862 static void ray_update_multi_list(struct net_device *dev, int all)
1863 {
1864         int ccsindex;
1865         struct ccs __iomem *pccs;
1866         ray_dev_t *local = netdev_priv(dev);
1867         struct pcmcia_device *link = local->finder;
1868         void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1869
1870         if (!(pcmcia_dev_present(link))) {
1871                 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1872                 return;
1873         } else
1874                 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1875         if ((ccsindex = get_free_ccs(local)) < 0) {
1876                 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1877                 return;
1878         }
1879         pccs = ccs_base(local) + ccsindex;
1880         writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1881
1882         if (all) {
1883                 writeb(0xff, &pccs->var);
1884                 local->num_multi = 0xff;
1885         } else {
1886                 struct dev_mc_list *dmi;
1887                 int i = 0;
1888
1889                 /* Copy the kernel's list of MC addresses to card */
1890                 netdev_for_each_mc_addr(dmi, dev) {
1891                         memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
1892                         dev_dbg(&link->dev,
1893                               "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1894                               dmi->dmi_addr[0], dmi->dmi_addr[1],
1895                               dmi->dmi_addr[2], dmi->dmi_addr[3],
1896                               dmi->dmi_addr[4], dmi->dmi_addr[5]);
1897                         p += ETH_ALEN;
1898                         i++;
1899                 }
1900                 if (i > 256 / ADDRLEN)
1901                         i = 256 / ADDRLEN;
1902                 writeb((UCHAR) i, &pccs->var);
1903                 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1904                 /* Interrupt the firmware to process the command */
1905                 local->num_multi = i;
1906         }
1907         if (interrupt_ecf(local, ccsindex)) {
1908                 dev_dbg(&link->dev,
1909                       "ray_cs update_multi failed - ECF not ready for intr\n");
1910                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1911         }
1912 } /* end ray_update_multi_list */
1913
1914 /*===========================================================================*/
1915 static void set_multicast_list(struct net_device *dev)
1916 {
1917         ray_dev_t *local = netdev_priv(dev);
1918         UCHAR promisc;
1919
1920         pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1921
1922         if (dev->flags & IFF_PROMISC) {
1923                 if (local->sparm.b5.a_promiscuous_mode == 0) {
1924                         pr_debug("ray_cs set_multicast_list promisc on\n");
1925                         local->sparm.b5.a_promiscuous_mode = 1;
1926                         promisc = 1;
1927                         ray_update_parm(dev, OBJID_promiscuous_mode,
1928                                         &promisc, sizeof(promisc));
1929                 }
1930         } else {
1931                 if (local->sparm.b5.a_promiscuous_mode == 1) {
1932                         pr_debug("ray_cs set_multicast_list promisc off\n");
1933                         local->sparm.b5.a_promiscuous_mode = 0;
1934                         promisc = 0;
1935                         ray_update_parm(dev, OBJID_promiscuous_mode,
1936                                         &promisc, sizeof(promisc));
1937                 }
1938         }
1939
1940         if (dev->flags & IFF_ALLMULTI)
1941                 ray_update_multi_list(dev, 1);
1942         else {
1943                 if (local->num_multi != netdev_mc_count(dev))
1944                         ray_update_multi_list(dev, 0);
1945         }
1946 } /* end set_multicast_list */
1947
1948 /*=============================================================================
1949  * All routines below here are run at interrupt time.
1950 =============================================================================*/
1951 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1952 {
1953         struct net_device *dev = (struct net_device *)dev_id;
1954         struct pcmcia_device *link;
1955         ray_dev_t *local;
1956         struct ccs __iomem *pccs;
1957         struct rcs __iomem *prcs;
1958         UCHAR rcsindex;
1959         UCHAR tmp;
1960         UCHAR cmd;
1961         UCHAR status;
1962
1963         if (dev == NULL)        /* Note that we want interrupts with dev->start == 0 */
1964                 return IRQ_NONE;
1965
1966         pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1967
1968         local = netdev_priv(dev);
1969         link = (struct pcmcia_device *)local->finder;
1970         if (!pcmcia_dev_present(link)) {
1971                 pr_debug(
1972                         "ray_cs interrupt from device not present or suspended.\n");
1973                 return IRQ_NONE;
1974         }
1975         rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1976
1977         if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1978                 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1979                 clear_interrupt(local);
1980                 return IRQ_HANDLED;
1981         }
1982         if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1983                 pccs = ccs_base(local) + rcsindex;
1984                 cmd = readb(&pccs->cmd);
1985                 status = readb(&pccs->buffer_status);
1986                 switch (cmd) {
1987                 case CCS_DOWNLOAD_STARTUP_PARAMS:       /* Happens in firmware someday */
1988                         del_timer(&local->timer);
1989                         if (status == CCS_COMMAND_COMPLETE) {
1990                                 dev_dbg(&link->dev,
1991                                       "ray_cs interrupt download_startup_parameters OK\n");
1992                         } else {
1993                                 dev_dbg(&link->dev,
1994                                       "ray_cs interrupt download_startup_parameters fail\n");
1995                         }
1996                         break;
1997                 case CCS_UPDATE_PARAMS:
1998                         dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1999                         if (status != CCS_COMMAND_COMPLETE) {
2000                                 tmp =
2001                                     readb(&pccs->var.update_param.
2002                                           failure_cause);
2003                                 dev_dbg(&link->dev,
2004                                       "ray_cs interrupt update params failed - reason %d\n",
2005                                       tmp);
2006                         }
2007                         break;
2008                 case CCS_REPORT_PARAMS:
2009                         dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
2010                         break;
2011                 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
2012                         dev_dbg(&link->dev,
2013                               "ray_cs interrupt CCS Update Multicast List done\n");
2014                         break;
2015                 case CCS_UPDATE_POWER_SAVINGS_MODE:
2016                         dev_dbg(&link->dev,
2017                               "ray_cs interrupt update power save mode done\n");
2018                         break;
2019                 case CCS_START_NETWORK:
2020                 case CCS_JOIN_NETWORK:
2021                         if (status == CCS_COMMAND_COMPLETE) {
2022                                 if (readb
2023                                     (&pccs->var.start_network.net_initiated) ==
2024                                     1) {
2025                                         dev_dbg(&link->dev,
2026                                               "ray_cs interrupt network \"%s\" started\n",
2027                                               local->sparm.b4.a_current_ess_id);
2028                                 } else {
2029                                         dev_dbg(&link->dev,
2030                                               "ray_cs interrupt network \"%s\" joined\n",
2031                                               local->sparm.b4.a_current_ess_id);
2032                                 }
2033                                 memcpy_fromio(&local->bss_id,
2034                                               pccs->var.start_network.bssid,
2035                                               ADDRLEN);
2036
2037                                 if (local->fw_ver == 0x55)
2038                                         local->net_default_tx_rate = 3;
2039                                 else
2040                                         local->net_default_tx_rate =
2041                                             readb(&pccs->var.start_network.
2042                                                   net_default_tx_rate);
2043                                 local->encryption =
2044                                     readb(&pccs->var.start_network.encryption);
2045                                 if (!sniffer && (local->net_type == INFRA)
2046                                     && !(local->sparm.b4.a_acting_as_ap_status)) {
2047                                         authenticate(local);
2048                                 }
2049                                 local->card_status = CARD_ACQ_COMPLETE;
2050                         } else {
2051                                 local->card_status = CARD_ACQ_FAILED;
2052
2053                                 del_timer(&local->timer);
2054                                 local->timer.expires = jiffies + HZ * 5;
2055                                 local->timer.data = (long)local;
2056                                 if (status == CCS_START_NETWORK) {
2057                                         dev_dbg(&link->dev,
2058                                               "ray_cs interrupt network \"%s\" start failed\n",
2059                                               local->sparm.b4.a_current_ess_id);
2060                                         local->timer.function = &start_net;
2061                                 } else {
2062                                         dev_dbg(&link->dev,
2063                                               "ray_cs interrupt network \"%s\" join failed\n",
2064                                               local->sparm.b4.a_current_ess_id);
2065                                         local->timer.function = &join_net;
2066                                 }
2067                                 add_timer(&local->timer);
2068                         }
2069                         break;
2070                 case CCS_START_ASSOCIATION:
2071                         if (status == CCS_COMMAND_COMPLETE) {
2072                                 local->card_status = CARD_ASSOC_COMPLETE;
2073                                 dev_dbg(&link->dev, "ray_cs association successful\n");
2074                         } else {
2075                                 dev_dbg(&link->dev, "ray_cs association failed,\n");
2076                                 local->card_status = CARD_ASSOC_FAILED;
2077                                 join_net((u_long) local);
2078                         }
2079                         break;
2080                 case CCS_TX_REQUEST:
2081                         if (status == CCS_COMMAND_COMPLETE) {
2082                                 dev_dbg(&link->dev,
2083                                       "ray_cs interrupt tx request complete\n");
2084                         } else {
2085                                 dev_dbg(&link->dev,
2086                                       "ray_cs interrupt tx request failed\n");
2087                         }
2088                         if (!sniffer)
2089                                 netif_start_queue(dev);
2090                         netif_wake_queue(dev);
2091                         break;
2092                 case CCS_TEST_MEMORY:
2093                         dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
2094                         break;
2095                 case CCS_SHUTDOWN:
2096                         dev_dbg(&link->dev,
2097                               "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2098                         break;
2099                 case CCS_DUMP_MEMORY:
2100                         dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2101                         break;
2102                 case CCS_START_TIMER:
2103                         dev_dbg(&link->dev,
2104                               "ray_cs interrupt DING - raylink timer expired\n");
2105                         break;
2106                 default:
2107                         dev_dbg(&link->dev,
2108                               "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2109                               rcsindex, cmd);
2110                 }
2111                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2112         } else { /* It's an RCS */
2113
2114                 prcs = rcs_base(local) + rcsindex;
2115
2116                 switch (readb(&prcs->interrupt_id)) {
2117                 case PROCESS_RX_PACKET:
2118                         ray_rx(dev, local, prcs);
2119                         break;
2120                 case REJOIN_NET_COMPLETE:
2121                         dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2122                         local->card_status = CARD_ACQ_COMPLETE;
2123                         /* do we need to clear tx buffers CCS's? */
2124                         if (local->sparm.b4.a_network_type == ADHOC) {
2125                                 if (!sniffer)
2126                                         netif_start_queue(dev);
2127                         } else {
2128                                 memcpy_fromio(&local->bss_id,
2129                                               prcs->var.rejoin_net_complete.
2130                                               bssid, ADDRLEN);
2131                                 dev_dbg(&link->dev,
2132                                       "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2133                                       local->bss_id[0], local->bss_id[1],
2134                                       local->bss_id[2], local->bss_id[3],
2135                                       local->bss_id[4], local->bss_id[5]);
2136                                 if (!sniffer)
2137                                         authenticate(local);
2138                         }
2139                         break;
2140                 case ROAMING_INITIATED:
2141                         dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2142                         netif_stop_queue(dev);
2143                         local->card_status = CARD_DOING_ACQ;
2144                         break;
2145                 case JAPAN_CALL_SIGN_RXD:
2146                         dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2147                         break;
2148                 default:
2149                         dev_dbg(&link->dev,
2150                               "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2151                               rcsindex,
2152                               (unsigned int)readb(&prcs->interrupt_id));
2153                         break;
2154                 }
2155                 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2156         }
2157         clear_interrupt(local);
2158         return IRQ_HANDLED;
2159 } /* ray_interrupt */
2160
2161 /*===========================================================================*/
2162 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2163                    struct rcs __iomem *prcs)
2164 {
2165         int rx_len;
2166         unsigned int pkt_addr;
2167         void __iomem *pmsg;
2168         pr_debug("ray_rx process rx packet\n");
2169
2170         /* Calculate address of packet within Rx buffer */
2171         pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2172                     + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2173         /* Length of first packet fragment */
2174         rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2175             + readb(&prcs->var.rx_packet.rx_data_length[1]);
2176
2177         local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2178         pmsg = local->rmem + pkt_addr;
2179         switch (readb(pmsg)) {
2180         case DATA_TYPE:
2181                 pr_debug("ray_rx data type\n");
2182                 rx_data(dev, prcs, pkt_addr, rx_len);
2183                 break;
2184         case AUTHENTIC_TYPE:
2185                 pr_debug("ray_rx authentic type\n");
2186                 if (sniffer)
2187                         rx_data(dev, prcs, pkt_addr, rx_len);
2188                 else
2189                         rx_authenticate(local, prcs, pkt_addr, rx_len);
2190                 break;
2191         case DEAUTHENTIC_TYPE:
2192                 pr_debug("ray_rx deauth type\n");
2193                 if (sniffer)
2194                         rx_data(dev, prcs, pkt_addr, rx_len);
2195                 else
2196                         rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2197                 break;
2198         case NULL_MSG_TYPE:
2199                 pr_debug("ray_cs rx NULL msg\n");
2200                 break;
2201         case BEACON_TYPE:
2202                 pr_debug("ray_rx beacon type\n");
2203                 if (sniffer)
2204                         rx_data(dev, prcs, pkt_addr, rx_len);
2205
2206                 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2207                                   rx_len < sizeof(struct beacon_rx) ?
2208                                   rx_len : sizeof(struct beacon_rx));
2209
2210                 local->beacon_rxed = 1;
2211                 /* Get the statistics so the card counters never overflow */
2212                 ray_get_stats(dev);
2213                 break;
2214         default:
2215                 pr_debug("ray_cs unknown pkt type %2x\n",
2216                       (unsigned int)readb(pmsg));
2217                 break;
2218         }
2219
2220 } /* end ray_rx */
2221
2222 /*===========================================================================*/
2223 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2224                     unsigned int pkt_addr, int rx_len)
2225 {
2226         struct sk_buff *skb = NULL;
2227         struct rcs __iomem *prcslink = prcs;
2228         ray_dev_t *local = netdev_priv(dev);
2229         UCHAR *rx_ptr;
2230         int total_len;
2231         int tmp;
2232 #ifdef WIRELESS_SPY
2233         int siglev = local->last_rsl;
2234         u_char linksrcaddr[ETH_ALEN];   /* Other end of the wireless link */
2235 #endif
2236
2237         if (!sniffer) {
2238                 if (translate) {
2239 /* TBD length needs fixing for translated header */
2240                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2241                             rx_len >
2242                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2243                              FCS_LEN)) {
2244                                 pr_debug(
2245                                       "ray_cs invalid packet length %d received \n",
2246                                       rx_len);
2247                                 return;
2248                         }
2249                 } else { /* encapsulated ethernet */
2250
2251                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2252                             rx_len >
2253                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2254                              FCS_LEN)) {
2255                                 pr_debug(
2256                                       "ray_cs invalid packet length %d received \n",
2257                                       rx_len);
2258                                 return;
2259                         }
2260                 }
2261         }
2262         pr_debug("ray_cs rx_data packet\n");
2263         /* If fragmented packet, verify sizes of fragments add up */
2264         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2265                 pr_debug("ray_cs rx'ed fragment\n");
2266                 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2267                     + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2268                 total_len = tmp;
2269                 prcslink = prcs;
2270                 do {
2271                         tmp -=
2272                             (readb(&prcslink->var.rx_packet.rx_data_length[0])
2273                              << 8)
2274                             + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2275                         if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2276                             == 0xFF || tmp < 0)
2277                                 break;
2278                         prcslink = rcs_base(local)
2279                             + readb(&prcslink->link_field);
2280                 } while (1);
2281
2282                 if (tmp < 0) {
2283                         pr_debug(
2284                               "ray_cs rx_data fragment lengths don't add up\n");
2285                         local->stats.rx_dropped++;
2286                         release_frag_chain(local, prcs);
2287                         return;
2288                 }
2289         } else { /* Single unfragmented packet */
2290                 total_len = rx_len;
2291         }
2292
2293         skb = dev_alloc_skb(total_len + 5);
2294         if (skb == NULL) {
2295                 pr_debug("ray_cs rx_data could not allocate skb\n");
2296                 local->stats.rx_dropped++;
2297                 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2298                         release_frag_chain(local, prcs);
2299                 return;
2300         }
2301         skb_reserve(skb, 2);    /* Align IP on 16 byte (TBD check this) */
2302
2303         pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2304               rx_len);
2305
2306 /************************/
2307         /* Reserve enough room for the whole damn packet. */
2308         rx_ptr = skb_put(skb, total_len);
2309         /* Copy the whole packet to sk_buff */
2310         rx_ptr +=
2311             copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2312         /* Get source address */
2313 #ifdef WIRELESS_SPY
2314         skb_copy_from_linear_data_offset(skb,
2315                                          offsetof(struct mac_header, addr_2),
2316                                          linksrcaddr, ETH_ALEN);
2317 #endif
2318         /* Now, deal with encapsulation/translation/sniffer */
2319         if (!sniffer) {
2320                 if (!translate) {
2321                         /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2322 /* TBD reserve            skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2323                         skb_pull(skb, RX_MAC_HEADER_LENGTH);
2324                 } else {
2325                         /* Do translation */
2326                         untranslate(local, skb, total_len);
2327                 }
2328         } else { /* sniffer mode, so just pass whole packet */
2329         };
2330
2331 /************************/
2332         /* Now pick up the rest of the fragments if any */
2333         tmp = 17;
2334         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2335                 prcslink = prcs;
2336                 pr_debug("ray_cs rx_data in fragment loop\n");
2337                 do {
2338                         prcslink = rcs_base(local)
2339                             +
2340                             readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2341                         rx_len =
2342                             ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2343                               << 8)
2344                              +
2345                              readb(&prcslink->var.rx_packet.rx_data_length[1]))
2346                             & RX_BUFF_END;
2347                         pkt_addr =
2348                             ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2349                               8)
2350                              + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2351                             & RX_BUFF_END;
2352
2353                         rx_ptr +=
2354                             copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2355
2356                 } while (tmp-- &&
2357                          readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2358                          0xFF);
2359                 release_frag_chain(local, prcs);
2360         }
2361
2362         skb->protocol = eth_type_trans(skb, dev);
2363         netif_rx(skb);
2364         local->stats.rx_packets++;
2365         local->stats.rx_bytes += total_len;
2366
2367         /* Gather signal strength per address */
2368 #ifdef WIRELESS_SPY
2369         /* For the Access Point or the node having started the ad-hoc net
2370          * note : ad-hoc work only in some specific configurations, but we
2371          * kludge in ray_get_wireless_stats... */
2372         if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2373                 /* Update statistics */
2374                 /*local->wstats.qual.qual = none ? */
2375                 local->wstats.qual.level = siglev;
2376                 /*local->wstats.qual.noise = none ? */
2377                 local->wstats.qual.updated = 0x2;
2378         }
2379         /* Now, update the spy stuff */
2380         {
2381                 struct iw_quality wstats;
2382                 wstats.level = siglev;
2383                 /* wstats.noise = none ? */
2384                 /* wstats.qual = none ? */
2385                 wstats.updated = 0x2;
2386                 /* Update spy records */
2387                 wireless_spy_update(dev, linksrcaddr, &wstats);
2388         }
2389 #endif /* WIRELESS_SPY */
2390 } /* end rx_data */
2391
2392 /*===========================================================================*/
2393 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2394 {
2395         snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2396         struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2397         __be16 type = *(__be16 *) psnap->ethertype;
2398         int delta;
2399         struct ethhdr *peth;
2400         UCHAR srcaddr[ADDRLEN];
2401         UCHAR destaddr[ADDRLEN];
2402         static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2403         static UCHAR org_1042[3] = { 0, 0, 0 };
2404
2405         memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2406         memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2407
2408 #if 0
2409         if {
2410                 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2411                                DUMP_PREFIX_NONE, 16, 1,
2412                                skb->data, 64, true);
2413                 printk(KERN_DEBUG
2414                        "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2415                        ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2416                        psnap->org[0], psnap->org[1], psnap->org[2]);
2417                 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2418         }
2419 #endif
2420
2421         if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2422                 /* not a snap type so leave it alone */
2423                 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2424                       psnap->dsap, psnap->ssap, psnap->ctrl);
2425
2426                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2427                 peth = (struct ethhdr *)(skb->data + delta);
2428                 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2429         } else { /* Its a SNAP */
2430                 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2431                 /* EtherII and nuke the LLC */
2432                         pr_debug("ray_cs untranslate Bridge encap\n");
2433                         delta = RX_MAC_HEADER_LENGTH
2434                             + sizeof(struct snaphdr_t) - ETH_HLEN;
2435                         peth = (struct ethhdr *)(skb->data + delta);
2436                         peth->h_proto = type;
2437                 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2438                         switch (ntohs(type)) {
2439                         case ETH_P_IPX:
2440                         case ETH_P_AARP:
2441                                 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2442                                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2443                                 peth = (struct ethhdr *)(skb->data + delta);
2444                                 peth->h_proto =
2445                                     htons(len - RX_MAC_HEADER_LENGTH);
2446                                 break;
2447                         default:
2448                                 pr_debug("ray_cs untranslate RFC default\n");
2449                                 delta = RX_MAC_HEADER_LENGTH +
2450                                     sizeof(struct snaphdr_t) - ETH_HLEN;
2451                                 peth = (struct ethhdr *)(skb->data + delta);
2452                                 peth->h_proto = type;
2453                                 break;
2454                         }
2455                 } else {
2456                         printk("ray_cs untranslate very confused by packet\n");
2457                         delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2458                         peth = (struct ethhdr *)(skb->data + delta);
2459                         peth->h_proto = type;
2460                 }
2461         }
2462 /* TBD reserve  skb_reserve(skb, delta); */
2463         skb_pull(skb, delta);
2464         pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2465               skb->data);
2466         memcpy(peth->h_dest, destaddr, ADDRLEN);
2467         memcpy(peth->h_source, srcaddr, ADDRLEN);
2468 #if 0
2469         {
2470                 int i;
2471                 printk(KERN_DEBUG "skb->data after untranslate:");
2472                 for (i = 0; i < 64; i++)
2473                         printk("%02x ", skb->data[i]);
2474                 printk("\n");
2475         }
2476 #endif
2477 } /* end untranslate */
2478
2479 /*===========================================================================*/
2480 /* Copy data from circular receive buffer to PC memory.
2481  * dest     = destination address in PC memory
2482  * pkt_addr = source address in receive buffer
2483  * len      = length of packet to copy
2484  */
2485 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2486                              int length)
2487 {
2488         int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2489         if (wrap_bytes <= 0) {
2490                 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2491         } else { /* Packet wrapped in circular buffer */
2492
2493                 memcpy_fromio(dest, local->rmem + pkt_addr,
2494                               length - wrap_bytes);
2495                 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2496                               wrap_bytes);
2497         }
2498         return length;
2499 }
2500
2501 /*===========================================================================*/
2502 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2503 {
2504         struct rcs __iomem *prcslink = prcs;
2505         int tmp = 17;
2506         unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2507
2508         while (tmp--) {
2509                 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2510                 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2511                         pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2512                               rcsindex);
2513                         break;
2514                 }
2515                 prcslink = rcs_base(local) + rcsindex;
2516                 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2517         }
2518         writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2519 }
2520
2521 /*===========================================================================*/
2522 static void authenticate(ray_dev_t *local)
2523 {
2524         struct pcmcia_device *link = local->finder;
2525         dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2526         if (!(pcmcia_dev_present(link))) {
2527                 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2528                 return;
2529         }
2530
2531         del_timer(&local->timer);
2532         if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2533                 local->timer.function = &join_net;
2534         } else {
2535                 local->timer.function = &authenticate_timeout;
2536         }
2537         local->timer.expires = jiffies + HZ * 2;
2538         local->timer.data = (long)local;
2539         add_timer(&local->timer);
2540         local->authentication_state = AWAITING_RESPONSE;
2541 } /* end authenticate */
2542
2543 /*===========================================================================*/
2544 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2545                             unsigned int pkt_addr, int rx_len)
2546 {
2547         UCHAR buff[256];
2548         struct rx_msg *msg = (struct rx_msg *)buff;
2549
2550         del_timer(&local->timer);
2551
2552         copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2553         /* if we are trying to get authenticated */
2554         if (local->sparm.b4.a_network_type == ADHOC) {
2555                 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2556                       msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2557                       msg->var[4], msg->var[5]);
2558                 if (msg->var[2] == 1) {
2559                         pr_debug("ray_cs Sending authentication response.\n");
2560                         if (!build_auth_frame
2561                             (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2562                                 local->authentication_state = NEED_TO_AUTH;
2563                                 memcpy(local->auth_id, msg->mac.addr_2,
2564                                        ADDRLEN);
2565                         }
2566                 }
2567         } else { /* Infrastructure network */
2568
2569                 if (local->authentication_state == AWAITING_RESPONSE) {
2570                         /* Verify authentication sequence #2 and success */
2571                         if (msg->var[2] == 2) {
2572                                 if ((msg->var[3] | msg->var[4]) == 0) {
2573                                         pr_debug("Authentication successful\n");
2574                                         local->card_status = CARD_AUTH_COMPLETE;
2575                                         associate(local);
2576                                         local->authentication_state =
2577                                             AUTHENTICATED;
2578                                 } else {
2579                                         pr_debug("Authentication refused\n");
2580                                         local->card_status = CARD_AUTH_REFUSED;
2581                                         join_net((u_long) local);
2582                                         local->authentication_state =
2583                                             UNAUTHENTICATED;
2584                                 }
2585                         }
2586                 }
2587         }
2588
2589 } /* end rx_authenticate */
2590
2591 /*===========================================================================*/
2592 static void associate(ray_dev_t *local)
2593 {
2594         struct ccs __iomem *pccs;
2595         struct pcmcia_device *link = local->finder;
2596         struct net_device *dev = link->priv;
2597         int ccsindex;
2598         if (!(pcmcia_dev_present(link))) {
2599                 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2600                 return;
2601         }
2602         /* If no tx buffers available, return */
2603         if ((ccsindex = get_free_ccs(local)) < 0) {
2604 /* TBD should never be here but... what if we are? */
2605                 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2606                 return;
2607         }
2608         dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2609         pccs = ccs_base(local) + ccsindex;
2610         /* fill in the CCS */
2611         writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2612         /* Interrupt the firmware to process the command */
2613         if (interrupt_ecf(local, ccsindex)) {
2614                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2615                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2616
2617                 del_timer(&local->timer);
2618                 local->timer.expires = jiffies + HZ * 2;
2619                 local->timer.data = (long)local;
2620                 local->timer.function = &join_net;
2621                 add_timer(&local->timer);
2622                 local->card_status = CARD_ASSOC_FAILED;
2623                 return;
2624         }
2625         if (!sniffer)
2626                 netif_start_queue(dev);
2627
2628 } /* end associate */
2629
2630 /*===========================================================================*/
2631 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2632                               unsigned int pkt_addr, int rx_len)
2633 {
2634 /*  UCHAR buff[256];
2635     struct rx_msg *msg = (struct rx_msg *)buff;
2636 */
2637         pr_debug("Deauthentication frame received\n");
2638         local->authentication_state = UNAUTHENTICATED;
2639         /* Need to reauthenticate or rejoin depending on reason code */
2640 /*  copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2641  */
2642 }
2643
2644 /*===========================================================================*/
2645 static void clear_interrupt(ray_dev_t *local)
2646 {
2647         writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2648 }
2649
2650 /*===========================================================================*/
2651 #ifdef CONFIG_PROC_FS
2652 #define MAXDATA (PAGE_SIZE - 80)
2653
2654 static char *card_status[] = {
2655         "Card inserted - uninitialized",        /* 0 */
2656         "Card not downloaded",                  /* 1 */
2657         "Waiting for download parameters",      /* 2 */
2658         "Card doing acquisition",               /* 3 */
2659         "Acquisition complete",                 /* 4 */
2660         "Authentication complete",              /* 5 */
2661         "Association complete",                 /* 6 */
2662         "???", "???", "???", "???",             /* 7 8 9 10 undefined */
2663         "Card init error",                      /* 11 */
2664         "Download parameters error",            /* 12 */
2665         "???",                                  /* 13 */
2666         "Acquisition failed",                   /* 14 */
2667         "Authentication refused",               /* 15 */
2668         "Association failed"                    /* 16 */
2669 };
2670
2671 static char *nettype[] = { "Adhoc", "Infra " };
2672 static char *framing[] = { "Encapsulation", "Translation" }
2673
2674 ;
2675 /*===========================================================================*/
2676 static int ray_cs_proc_show(struct seq_file *m, void *v)
2677 {
2678 /* Print current values which are not available via other means
2679  * eg ifconfig
2680  */
2681         int i;
2682         struct pcmcia_device *link;
2683         struct net_device *dev;
2684         ray_dev_t *local;
2685         UCHAR *p;
2686         struct freq_hop_element *pfh;
2687         UCHAR c[33];
2688
2689         link = this_device;
2690         if (!link)
2691                 return 0;
2692         dev = (struct net_device *)link->priv;
2693         if (!dev)
2694                 return 0;
2695         local = netdev_priv(dev);
2696         if (!local)
2697                 return 0;
2698
2699         seq_puts(m, "Raylink Wireless LAN driver status\n");
2700         seq_printf(m, "%s\n", rcsid);
2701         /* build 4 does not report version, and field is 0x55 after memtest */
2702         seq_puts(m, "Firmware version     = ");
2703         if (local->fw_ver == 0x55)
2704                 seq_puts(m, "4 - Use dump_cis for more details\n");
2705         else
2706                 seq_printf(m, "%2d.%02d.%02d\n",
2707                            local->fw_ver, local->fw_bld, local->fw_var);
2708
2709         for (i = 0; i < 32; i++)
2710                 c[i] = local->sparm.b5.a_current_ess_id[i];
2711         c[32] = 0;
2712         seq_printf(m, "%s network ESSID = \"%s\"\n",
2713                    nettype[local->sparm.b5.a_network_type], c);
2714
2715         p = local->bss_id;
2716         seq_printf(m, "BSSID                = %pM\n", p);
2717
2718         seq_printf(m, "Country code         = %d\n",
2719                    local->sparm.b5.a_curr_country_code);
2720
2721         i = local->card_status;
2722         if (i < 0)
2723                 i = 10;
2724         if (i > 16)
2725                 i = 10;
2726         seq_printf(m, "Card status          = %s\n", card_status[i]);
2727
2728         seq_printf(m, "Framing mode         = %s\n", framing[translate]);
2729
2730         seq_printf(m, "Last pkt signal lvl  = %d\n", local->last_rsl);
2731
2732         if (local->beacon_rxed) {
2733                 /* Pull some fields out of last beacon received */
2734                 seq_printf(m, "Beacon Interval      = %d Kus\n",
2735                            local->last_bcn.beacon_intvl[0]
2736                            + 256 * local->last_bcn.beacon_intvl[1]);
2737
2738                 p = local->last_bcn.elements;
2739                 if (p[0] == C_ESSID_ELEMENT_ID)
2740                         p += p[1] + 2;
2741                 else {
2742                         seq_printf(m,
2743                                    "Parse beacon failed at essid element id = %d\n",
2744                                    p[0]);
2745                         return 0;
2746                 }
2747
2748                 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2749                         seq_puts(m, "Supported rate codes = ");
2750                         for (i = 2; i < p[1] + 2; i++)
2751                                 seq_printf(m, "0x%02x ", p[i]);
2752                         seq_putc(m, '\n');
2753                         p += p[1] + 2;
2754                 } else {
2755                         seq_puts(m, "Parse beacon failed at rates element\n");
2756                         return 0;
2757                 }
2758
2759                 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2760                         pfh = (struct freq_hop_element *)p;
2761                         seq_printf(m, "Hop dwell            = %d Kus\n",
2762                                    pfh->dwell_time[0] +
2763                                    256 * pfh->dwell_time[1]);
2764                         seq_printf(m, "Hop set              = %d \n",
2765                                    pfh->hop_set);
2766                         seq_printf(m, "Hop pattern          = %d \n",
2767                                    pfh->hop_pattern);
2768                         seq_printf(m, "Hop index            = %d \n",
2769                                    pfh->hop_index);
2770                         p += p[1] + 2;
2771                 } else {
2772                         seq_puts(m,
2773                                  "Parse beacon failed at FH param element\n");
2774                         return 0;
2775                 }
2776         } else {
2777                 seq_puts(m, "No beacons received\n");
2778         }
2779         return 0;
2780 }
2781
2782 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2783 {
2784         return single_open(file, ray_cs_proc_show, NULL);
2785 }
2786
2787 static const struct file_operations ray_cs_proc_fops = {
2788         .owner = THIS_MODULE,
2789         .open = ray_cs_proc_open,
2790         .read = seq_read,
2791         .llseek = seq_lseek,
2792         .release = single_release,
2793 };
2794 #endif
2795 /*===========================================================================*/
2796 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2797 {
2798         int addr;
2799         struct ccs __iomem *pccs;
2800         struct tx_msg __iomem *ptx;
2801         int ccsindex;
2802
2803         /* If no tx buffers available, return */
2804         if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2805                 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2806                 return -1;
2807         }
2808
2809         pccs = ccs_base(local) + ccsindex;
2810
2811         /* Address in card space */
2812         addr = TX_BUF_BASE + (ccsindex << 11);
2813         /* fill in the CCS */
2814         writeb(CCS_TX_REQUEST, &pccs->cmd);
2815         writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2816         writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2817         writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2818         writeb(TX_AUTHENTICATE_LENGTH_LSB,
2819                pccs->var.tx_request.tx_data_length + 1);
2820         writeb(0, &pccs->var.tx_request.pow_sav_mode);
2821
2822         ptx = local->sram + addr;
2823         /* fill in the mac header */
2824         writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2825         writeb(0, &ptx->mac.frame_ctl_2);
2826
2827         memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2828         memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2829         memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2830
2831         /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2832         memset_io(ptx->var, 0, 6);
2833         writeb(auth_type & 0xff, ptx->var + 2);
2834
2835         /* Interrupt the firmware to process the command */
2836         if (interrupt_ecf(local, ccsindex)) {
2837                 pr_debug(
2838                       "ray_cs send authentication request failed - ECF not ready for intr\n");
2839                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2840                 return -1;
2841         }
2842         return 0;
2843 } /* End build_auth_frame */
2844
2845 /*===========================================================================*/
2846 #ifdef CONFIG_PROC_FS
2847 static ssize_t ray_cs_essid_proc_write(struct file *file,
2848                 const char __user *buffer, size_t count, loff_t *pos)
2849 {
2850         static char proc_essid[33];
2851         unsigned int len = count;
2852
2853         if (len > 32)
2854                 len = 32;
2855         memset(proc_essid, 0, 33);
2856         if (copy_from_user(proc_essid, buffer, len))
2857                 return -EFAULT;
2858         essid = proc_essid;
2859         return count;
2860 }
2861
2862 static const struct file_operations ray_cs_essid_proc_fops = {
2863         .owner          = THIS_MODULE,
2864         .write          = ray_cs_essid_proc_write,
2865 };
2866
2867 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2868                               size_t count, loff_t *pos)
2869 {
2870         static char proc_number[10];
2871         char *p;
2872         int nr, len;
2873
2874         if (!count)
2875                 return 0;
2876
2877         if (count > 9)
2878                 return -EINVAL;
2879         if (copy_from_user(proc_number, buffer, count))
2880                 return -EFAULT;
2881         p = proc_number;
2882         nr = 0;
2883         len = count;
2884         do {
2885                 unsigned int c = *p - '0';
2886                 if (c > 9)
2887                         return -EINVAL;
2888                 nr = nr * 10 + c;
2889                 p++;
2890         } while (--len);
2891         *(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
2892         return count;
2893 }
2894
2895 static const struct file_operations int_proc_fops = {
2896         .owner          = THIS_MODULE,
2897         .write          = int_proc_write,
2898 };
2899 #endif
2900
2901 static struct pcmcia_device_id ray_ids[] = {
2902         PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2903         PCMCIA_DEVICE_NULL,
2904 };
2905
2906 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2907
2908 static struct pcmcia_driver ray_driver = {
2909         .owner = THIS_MODULE,
2910         .drv = {
2911                 .name = "ray_cs",
2912                 },
2913         .probe = ray_probe,
2914         .remove = ray_detach,
2915         .id_table = ray_ids,
2916         .suspend = ray_suspend,
2917         .resume = ray_resume,
2918 };
2919
2920 static int __init init_ray_cs(void)
2921 {
2922         int rc;
2923
2924         pr_debug("%s\n", rcsid);
2925         rc = pcmcia_register_driver(&ray_driver);
2926         pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2927               rc);
2928
2929 #ifdef CONFIG_PROC_FS
2930         proc_mkdir("driver/ray_cs", NULL);
2931
2932         proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2933         proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2934         proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2935         proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2936 #endif
2937         if (translate != 0)
2938                 translate = 1;
2939         return 0;
2940 } /* init_ray_cs */
2941
2942 /*===========================================================================*/
2943
2944 static void __exit exit_ray_cs(void)
2945 {
2946         pr_debug("ray_cs: cleanup_module\n");
2947
2948 #ifdef CONFIG_PROC_FS
2949         remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2950         remove_proc_entry("driver/ray_cs/essid", NULL);
2951         remove_proc_entry("driver/ray_cs/net_type", NULL);
2952         remove_proc_entry("driver/ray_cs/translate", NULL);
2953         remove_proc_entry("driver/ray_cs", NULL);
2954 #endif
2955
2956         pcmcia_unregister_driver(&ray_driver);
2957 } /* exit_ray_cs */
2958
2959 module_init(init_ray_cs);
2960 module_exit(exit_ray_cs);
2961
2962 /*===========================================================================*/