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 #include <pcmcia/mem_op.h>
  55
  56 #include <linux/wireless.h>
  57 #include <net/iw_handler.h>
  58
  59 #include <asm/io.h>
  60 #include <asm/system.h>
  61 #include <asm/byteorder.h>
  62 #include <asm/uaccess.h>
  63
  64 /* Warning : these stuff will slow down the driver... */
  65 #define WIRELESS_SPY            /* Enable spying addresses */
  66 /* Definitions we need for spy */
  67 typedef struct iw_statistics iw_stats;
  68 typedef u_char mac_addr[ETH_ALEN];      /* Hardware address */
  69
  70 #include "rayctl.h"
  71 #include "ray_cs.h"
  72
  73
  74 /** Prototypes based on PCMCIA skeleton driver *******************************/
  75 static int ray_config(struct pcmcia_device *link);
  76 static void ray_release(struct pcmcia_device *link);
  77 static void ray_detach(struct pcmcia_device *p_dev);
  78
  79 /***** Prototypes indicated by device structure ******************************/
  80 static int ray_dev_close(struct net_device *dev);
  81 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
  82 static struct net_device_stats *ray_get_stats(struct net_device *dev);
  83 static int ray_dev_init(struct net_device *dev);
  84
  85 static const struct ethtool_ops netdev_ethtool_ops;
  86
  87 static int ray_open(struct net_device *dev);
  88 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
  89                                             struct net_device *dev);
  90 static void set_multicast_list(struct net_device *dev);
  91 static void ray_update_multi_list(struct net_device *dev, int all);
  92 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
  93                            unsigned char *data, int len);
  94 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
  95                              UCHAR msg_type, unsigned char *data);
  96 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
  97 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
  98 static const struct iw_handler_def ray_handler_def;
  99
 100 /***** Prototypes for raylink functions **************************************/
 101 static int asc_to_int(char a);
 102 static void authenticate(ray_dev_t *local);
 103 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
 104 static void authenticate_timeout(u_long);
 105 static int get_free_ccs(ray_dev_t *local);
 106 static int get_free_tx_ccs(ray_dev_t *local);
 107 static void init_startup_params(ray_dev_t *local);
 108 static int parse_addr(char *in_str, UCHAR *out);
 109 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
 110 static int ray_init(struct net_device *dev);
 111 static int interrupt_ecf(ray_dev_t *local, int ccs);
 112 static void ray_reset(struct net_device *dev);
 113 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
 114 static void verify_dl_startup(u_long);
 115
 116 /* Prototypes for interrpt time functions **********************************/
 117 static irqreturn_t ray_interrupt(int reg, void *dev_id);
 118 static void clear_interrupt(ray_dev_t *local);
 119 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
 120                               unsigned int pkt_addr, int rx_len);
 121 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
 122 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
 123 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
 124 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
 125                             unsigned int pkt_addr, int rx_len);
 126 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
 127                     unsigned int pkt_addr, int rx_len);
 128 static void associate(ray_dev_t *local);
 129
 130 /* Card command functions */
 131 static int dl_startup_params(struct net_device *dev);
 132 static void join_net(u_long local);
 133 static void start_net(u_long local);
 134 /* void start_net(ray_dev_t *local); */
 135
 136 /*===========================================================================*/
 137 /* Parameters that can be set with 'insmod' */
 138
 139 /* ADHOC=0, Infrastructure=1 */
 140 static int net_type = ADHOC;
 141
 142 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
 143 static int hop_dwell = 128;
 144
 145 /* Beacon period in Kus */
 146 static int beacon_period = 256;
 147
 148 /* power save mode (0 = off, 1 = save power) */
 149 static int psm;
 150
 151 /* String for network's Extended Service Set ID. 32 Characters max */
 152 static char *essid;
 153
 154 /* Default to encapsulation unless translation requested */
 155 static int translate = 1;
 156
 157 static int country = USA;
 158
 159 static int sniffer;
 160
 161 static int bc;
 162
 163 /* 48 bit physical card address if overriding card's real physical
 164  * address is required.  Since IEEE 802.11 addresses are 48 bits
 165  * like ethernet, an int can't be used, so a string is used. To
 166  * allow use of addresses starting with a decimal digit, the first
 167  * character must be a letter and will be ignored. This letter is
 168  * followed by up to 12 hex digits which are the address.  If less
 169  * than 12 digits are used, the address will be left filled with 0's.
 170  * Note that bit 0 of the first byte is the broadcast bit, and evil
 171  * things will happen if it is not 0 in a card address.
 172  */
 173 static char *phy_addr = NULL;
 174
 175
 176 /* A struct pcmcia_device structure has fields for most things that are needed
 177    to keep track of a socket, but there will usually be some device
 178    specific information that also needs to be kept track of.  The
 179    'priv' pointer in a struct pcmcia_device structure can be used to point to
 180    a device-specific private data structure, like this.
 181 */
 182 static unsigned int ray_mem_speed = 500;
 183
 184 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
 185 static struct pcmcia_device *this_device = NULL;
 186
 187 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
 188 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
 189 MODULE_LICENSE("GPL");
 190
 191 module_param(net_type, int, 0);
 192 module_param(hop_dwell, int, 0);
 193 module_param(beacon_period, int, 0);
 194 module_param(psm, int, 0);
 195 module_param(essid, charp, 0);
 196 module_param(translate, int, 0);
 197 module_param(country, int, 0);
 198 module_param(sniffer, int, 0);
 199 module_param(bc, int, 0);
 200 module_param(phy_addr, charp, 0);
 201 module_param(ray_mem_speed, int, 0);
 202
 203 static UCHAR b5_default_startup_parms[] = {
 204         0, 0,                   /* Adhoc station */
 205         'L', 'I', 'N', 'U', 'X', 0, 0, 0,       /* 32 char ESSID */
 206         0, 0, 0, 0, 0, 0, 0, 0,
 207         0, 0, 0, 0, 0, 0, 0, 0,
 208         0, 0, 0, 0, 0, 0, 0, 0,
 209         1, 0,                   /* Active scan, CA Mode */
 210         0, 0, 0, 0, 0, 0,       /* No default MAC addr  */
 211         0x7f, 0xff,             /* Frag threshold */
 212         0x00, 0x80,             /* Hop time 128 Kus */
 213         0x01, 0x00,             /* Beacon period 256 Kus */
 214         0x01, 0x07, 0xa3,       /* DTIM, retries, ack timeout */
 215         0x1d, 0x82, 0x4e,       /* SIFS, DIFS, PIFS */
 216         0x7f, 0xff,             /* RTS threshold */
 217         0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
 218         0x05,                   /* assoc resp timeout thresh */
 219         0x08, 0x02, 0x08,       /* adhoc, infra, super cycle max */
 220         0,                      /* Promiscuous mode */
 221         0x0c, 0x0bd,            /* Unique word */
 222         0x32,                   /* Slot time */
 223         0xff, 0xff,             /* roam-low snr, low snr count */
 224         0x05, 0xff,             /* Infra, adhoc missed bcn thresh */
 225         0x01, 0x0b, 0x4f,       /* USA, hop pattern, hop pat length */
 226 /* b4 - b5 differences start here */
 227         0x00, 0x3f,             /* CW max */
 228         0x00, 0x0f,             /* CW min */
 229         0x04, 0x08,             /* Noise gain, limit offset */
 230         0x28, 0x28,             /* det rssi, med busy offsets */
 231         7,                      /* det sync thresh */
 232         0, 2, 2,                /* test mode, min, max */
 233         0,                      /* allow broadcast SSID probe resp */
 234         0, 0,                   /* privacy must start, can join */
 235         2, 0, 0, 0, 0, 0, 0, 0  /* basic rate set */
 236 };
 237
 238 static UCHAR b4_default_startup_parms[] = {
 239         0, 0,                   /* Adhoc station */
 240         'L', 'I', 'N', 'U', 'X', 0, 0, 0,       /* 32 char ESSID */
 241         0, 0, 0, 0, 0, 0, 0, 0,
 242         0, 0, 0, 0, 0, 0, 0, 0,
 243         0, 0, 0, 0, 0, 0, 0, 0,
 244         1, 0,                   /* Active scan, CA Mode */
 245         0, 0, 0, 0, 0, 0,       /* No default MAC addr  */
 246         0x7f, 0xff,             /* Frag threshold */
 247         0x02, 0x00,             /* Hop time */
 248         0x00, 0x01,             /* Beacon period */
 249         0x01, 0x07, 0xa3,       /* DTIM, retries, ack timeout */
 250         0x1d, 0x82, 0xce,       /* SIFS, DIFS, PIFS */
 251         0x7f, 0xff,             /* RTS threshold */
 252         0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
 253         0x05,                   /* assoc resp timeout thresh */
 254         0x04, 0x02, 0x4,        /* adhoc, infra, super cycle max */
 255         0,                      /* Promiscuous mode */
 256         0x0c, 0x0bd,            /* Unique word */
 257         0x4e,                   /* Slot time (TBD seems wrong) */
 258         0xff, 0xff,             /* roam-low snr, low snr count */
 259         0x05, 0xff,             /* Infra, adhoc missed bcn thresh */
 260         0x01, 0x0b, 0x4e,       /* USA, hop pattern, hop pat length */
 261 /* b4 - b5 differences start here */
 262         0x3f, 0x0f,             /* CW max, min */
 263         0x04, 0x08,             /* Noise gain, limit offset */
 264         0x28, 0x28,             /* det rssi, med busy offsets */
 265         7,                      /* det sync thresh */
 266         0, 2, 2                 /* test mode, min, max */
 267 };
 268
 269 /*===========================================================================*/
 270 static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
 271
 272 static char hop_pattern_length[] = { 1,
 273         USA_HOP_MOD, EUROPE_HOP_MOD,
 274         JAPAN_HOP_MOD, KOREA_HOP_MOD,
 275         SPAIN_HOP_MOD, FRANCE_HOP_MOD,
 276         ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
 277         JAPAN_TEST_HOP_MOD
 278 };
 279
 280 static char rcsid[] =
 281     "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
 282
 283 static const struct net_device_ops ray_netdev_ops = {
 284         .ndo_init               = ray_dev_init,
 285         .ndo_open               = ray_open,
 286         .ndo_stop               = ray_dev_close,
 287         .ndo_start_xmit         = ray_dev_start_xmit,
 288         .ndo_set_config         = ray_dev_config,
 289         .ndo_get_stats          = ray_get_stats,
 290         .ndo_set_multicast_list = set_multicast_list,
 291         .ndo_change_mtu         = eth_change_mtu,
 292         .ndo_set_mac_address    = eth_mac_addr,
 293         .ndo_validate_addr      = eth_validate_addr,
 294 };
 295
 296 /*=============================================================================
 297     ray_attach() creates an "instance" of the driver, allocating
 298     local data structures for one device.  The device is registered
 299     with Card Services.
 300     The dev_link structure is initialized, but we don't actually
 301     configure the card at this point -- we wait until we receive a
 302     card insertion event.
 303 =============================================================================*/
 304 static int ray_probe(struct pcmcia_device *p_dev)
 305 {
 306         ray_dev_t *local;
 307         struct net_device *dev;
 308
 309         dev_dbg(&p_dev->dev, "ray_attach()\n");
 310
 311         /* Allocate space for private device-specific data */
 312         dev = alloc_etherdev(sizeof(ray_dev_t));
 313         if (!dev)
 314                 goto fail_alloc_dev;
 315
 316         local = netdev_priv(dev);
 317         local->finder = p_dev;
 318
 319         /* The io structure describes IO port mapping. None used here */
 320         p_dev->io.NumPorts1 = 0;
 321         p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
 322         p_dev->io.IOAddrLines = 5;
 323
 324         /* General socket configuration */
 325         p_dev->conf.Attributes = CONF_ENABLE_IRQ;
 326         p_dev->conf.IntType = INT_MEMORY_AND_IO;
 327         p_dev->conf.ConfigIndex = 1;
 328
 329         p_dev->priv = dev;
 330
 331         local->finder = p_dev;
 332         local->card_status = CARD_INSERTED;
 333         local->authentication_state = UNAUTHENTICATED;
 334         local->num_multi = 0;
 335         dev_dbg(&p_dev->dev, "ray_attach p_dev = %p,  dev = %p,  local = %p, intr = %p\n",
 336               p_dev, dev, local, &ray_interrupt);
 337
 338         /* Raylink entries in the device structure */
 339         dev->netdev_ops = &ray_netdev_ops;
 340         SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
 341         dev->wireless_handlers = &ray_handler_def;
 342 #ifdef WIRELESS_SPY
 343         local->wireless_data.spy_data = &local->spy_data;
 344         dev->wireless_data = &local->wireless_data;
 345 #endif /* WIRELESS_SPY */
 346
 347
 348         dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
 349         netif_stop_queue(dev);
 350
 351         init_timer(&local->timer);
 352
 353         this_device = p_dev;
 354         return ray_config(p_dev);
 355
 356 fail_alloc_dev:
 357         return -ENOMEM;
 358 } /* ray_attach */
 359
 360 /*=============================================================================
 361     This deletes a driver "instance".  The device is de-registered
 362     with Card Services.  If it has been released, all local data
 363     structures are freed.  Otherwise, the structures will be freed
 364     when the device is released.
 365 =============================================================================*/
 366 static void ray_detach(struct pcmcia_device *link)
 367 {
 368         struct net_device *dev;
 369         ray_dev_t *local;
 370
 371         dev_dbg(&link->dev, "ray_detach\n");
 372
 373         this_device = NULL;
 374         dev = link->priv;
 375
 376         ray_release(link);
 377
 378         local = netdev_priv(dev);
 379         del_timer(&local->timer);
 380
 381         if (link->priv) {
 382                 unregister_netdev(dev);
 383                 free_netdev(dev);
 384         }
 385         dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
 386 } /* ray_detach */
 387
 388 /*=============================================================================
 389     ray_config() is run after a CARD_INSERTION event
 390     is received, to configure the PCMCIA socket, and to make the
 391     ethernet device available to the system.
 392 =============================================================================*/
 393 #define MAX_TUPLE_SIZE 128
 394 static int ray_config(struct pcmcia_device *link)
 395 {
 396         int ret = 0;
 397         int i;
 398         win_req_t req;
 399         memreq_t mem;
 400         struct net_device *dev = (struct net_device *)link->priv;
 401         ray_dev_t *local = netdev_priv(dev);
 402
 403         dev_dbg(&link->dev, "ray_config\n");
 404
 405         /* Determine card type and firmware version */
 406         printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
 407                link->prod_id[0] ? link->prod_id[0] : " ",
 408                link->prod_id[1] ? link->prod_id[1] : " ",
 409                link->prod_id[2] ? link->prod_id[2] : " ",
 410                link->prod_id[3] ? link->prod_id[3] : " ");
 411
 412         /* Now allocate an interrupt line.  Note that this does not
 413            actually assign a handler to the interrupt.
 414          */
 415         ret = pcmcia_request_irq(link, ray_interrupt);
 416         if (ret)
 417                 goto failed;
 418         dev->irq = link->irq;
 419
 420         /* This actually configures the PCMCIA socket -- setting up
 421            the I/O windows and the interrupt mapping.
 422          */
 423         ret = pcmcia_request_configuration(link, &link->conf);
 424         if (ret)
 425                 goto failed;
 426
 427 /*** Set up 32k window for shared memory (transmit and control) ************/
 428         req.Attributes =
 429             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
 430         req.Base = 0;
 431         req.Size = 0x8000;
 432         req.AccessSpeed = ray_mem_speed;
 433         ret = pcmcia_request_window(link, &req, &link->win);
 434         if (ret)
 435                 goto failed;
 436         mem.CardOffset = 0x0000;
 437         mem.Page = 0;
 438         ret = pcmcia_map_mem_page(link, link->win, &mem);
 439         if (ret)
 440                 goto failed;
 441         local->sram = ioremap(req.Base, req.Size);
 442
 443 /*** Set up 16k window for shared memory (receive buffer) ***************/
 444         req.Attributes =
 445             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
 446         req.Base = 0;
 447         req.Size = 0x4000;
 448         req.AccessSpeed = ray_mem_speed;
 449         ret = pcmcia_request_window(link, &req, &local->rmem_handle);
 450         if (ret)
 451                 goto failed;
 452         mem.CardOffset = 0x8000;
 453         mem.Page = 0;
 454         ret = pcmcia_map_mem_page(link, local->rmem_handle, &mem);
 455         if (ret)
 456                 goto failed;
 457         local->rmem = ioremap(req.Base, req.Size);
 458
 459 /*** Set up window for attribute memory ***********************************/
 460         req.Attributes =
 461             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
 462         req.Base = 0;
 463         req.Size = 0x1000;
 464         req.AccessSpeed = ray_mem_speed;
 465         ret = pcmcia_request_window(link, &req, &local->amem_handle);
 466         if (ret)
 467                 goto failed;
 468         mem.CardOffset = 0x0000;
 469         mem.Page = 0;
 470         ret = pcmcia_map_mem_page(link, local->amem_handle, &mem);
 471         if (ret)
 472                 goto failed;
 473         local->amem = ioremap(req.Base, req.Size);
 474
 475         dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
 476         dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
 477         dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
 478         if (ray_init(dev) < 0) {
 479                 ray_release(link);
 480                 return -ENODEV;
 481         }
 482
 483         SET_NETDEV_DEV(dev, &link->dev);
 484         i = register_netdev(dev);
 485         if (i != 0) {
 486                 printk("ray_config register_netdev() failed\n");
 487                 ray_release(link);
 488                 return i;
 489         }
 490
 491         printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
 492                dev->name, dev->irq, dev->dev_addr);
 493
 494         return 0;
 495
 496 failed:
 497         ray_release(link);
 498         return -ENODEV;
 499 } /* ray_config */
 500
 501 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
 502 {
 503         return dev->sram + CCS_BASE;
 504 }
 505
 506 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
 507 {
 508         /*
 509          * This looks nonsensical, since there is a separate
 510          * RCS_BASE. But the difference between a "struct rcs"
 511          * and a "struct ccs" ends up being in the _index_ off
 512          * the base, so the base pointer is the same for both
 513          * ccs/rcs.
 514          */
 515         return dev->sram + CCS_BASE;
 516 }
 517
 518 /*===========================================================================*/
 519 static int ray_init(struct net_device *dev)
 520 {
 521         int i;
 522         UCHAR *p;
 523         struct ccs __iomem *pccs;
 524         ray_dev_t *local = netdev_priv(dev);
 525         struct pcmcia_device *link = local->finder;
 526         dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
 527         if (!(pcmcia_dev_present(link))) {
 528                 dev_dbg(&link->dev, "ray_init - device not present\n");
 529                 return -1;
 530         }
 531
 532         local->net_type = net_type;
 533         local->sta_type = TYPE_STA;
 534
 535         /* Copy the startup results to local memory */
 536         memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
 537                       sizeof(struct startup_res_6));
 538
 539         /* Check Power up test status and get mac address from card */
 540         if (local->startup_res.startup_word != 0x80) {
 541                 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
 542                        local->startup_res.startup_word);
 543                 local->card_status = CARD_INIT_ERROR;
 544                 return -1;
 545         }
 546
 547         local->fw_ver = local->startup_res.firmware_version[0];
 548         local->fw_bld = local->startup_res.firmware_version[1];
 549         local->fw_var = local->startup_res.firmware_version[2];
 550         dev_dbg(&link->dev, "ray_init firmware version %d.%d \n", local->fw_ver,
 551               local->fw_bld);
 552
 553         local->tib_length = 0x20;
 554         if ((local->fw_ver == 5) && (local->fw_bld >= 30))
 555                 local->tib_length = local->startup_res.tib_length;
 556         dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
 557         /* Initialize CCS's to buffer free state */
 558         pccs = ccs_base(local);
 559         for (i = 0; i < NUMBER_OF_CCS; i++) {
 560                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 561         }
 562         init_startup_params(local);
 563
 564         /* copy mac address to startup parameters */
 565         if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
 566                 p = local->sparm.b4.a_mac_addr;
 567         } else {
 568                 memcpy(&local->sparm.b4.a_mac_addr,
 569                        &local->startup_res.station_addr, ADDRLEN);
 570                 p = local->sparm.b4.a_mac_addr;
 571         }
 572
 573         clear_interrupt(local); /* Clear any interrupt from the card */
 574         local->card_status = CARD_AWAITING_PARAM;
 575         dev_dbg(&link->dev, "ray_init ending\n");
 576         return 0;
 577 } /* ray_init */
 578
 579 /*===========================================================================*/
 580 /* Download startup parameters to the card and command it to read them       */
 581 static int dl_startup_params(struct net_device *dev)
 582 {
 583         int ccsindex;
 584         ray_dev_t *local = netdev_priv(dev);
 585         struct ccs __iomem *pccs;
 586         struct pcmcia_device *link = local->finder;
 587
 588         dev_dbg(&link->dev, "dl_startup_params entered\n");
 589         if (!(pcmcia_dev_present(link))) {
 590                 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
 591                 return -1;
 592         }
 593
 594         /* Copy parameters to host to ECF area */
 595         if (local->fw_ver == 0x55)
 596                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
 597                             sizeof(struct b4_startup_params));
 598         else
 599                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
 600                             sizeof(struct b5_startup_params));
 601
 602         /* Fill in the CCS fields for the ECF */
 603         if ((ccsindex = get_free_ccs(local)) < 0)
 604                 return -1;
 605         local->dl_param_ccs = ccsindex;
 606         pccs = ccs_base(local) + ccsindex;
 607         writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
 608         dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
 609               local->dl_param_ccs);
 610         /* Interrupt the firmware to process the command */
 611         if (interrupt_ecf(local, ccsindex)) {
 612                 printk(KERN_INFO "ray dl_startup_params failed - "
 613                        "ECF not ready for intr\n");
 614                 local->card_status = CARD_DL_PARAM_ERROR;
 615                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 616                 return -2;
 617         }
 618         local->card_status = CARD_DL_PARAM;
 619         /* Start kernel timer to wait for dl startup to complete. */
 620         local->timer.expires = jiffies + HZ / 2;
 621         local->timer.data = (long)local;
 622         local->timer.function = &verify_dl_startup;
 623         add_timer(&local->timer);
 624         dev_dbg(&link->dev,
 625               "ray_cs dl_startup_params started timer for verify_dl_startup\n");
 626         return 0;
 627 } /* dl_startup_params */
 628
 629 /*===========================================================================*/
 630 static void init_startup_params(ray_dev_t *local)
 631 {
 632         int i;
 633
 634         if (country > JAPAN_TEST)
 635                 country = USA;
 636         else if (country < USA)
 637                 country = USA;
 638         /* structure for hop time and beacon period is defined here using
 639          * New 802.11D6.1 format.  Card firmware is still using old format
 640          * until version 6.
 641          *    Before                    After
 642          *    a_hop_time ms byte        a_hop_time ms byte
 643          *    a_hop_time 2s byte        a_hop_time ls byte
 644          *    a_hop_time ls byte        a_beacon_period ms byte
 645          *    a_beacon_period           a_beacon_period ls byte
 646          *
 647          *    a_hop_time = uS           a_hop_time = KuS
 648          *    a_beacon_period = hops    a_beacon_period = KuS
 649          *//* 64ms = 010000 */
 650         if (local->fw_ver == 0x55) {
 651                 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
 652                        sizeof(struct b4_startup_params));
 653                 /* Translate sane kus input values to old build 4/5 format */
 654                 /* i = hop time in uS truncated to 3 bytes */
 655                 i = (hop_dwell * 1024) & 0xffffff;
 656                 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
 657                 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
 658                 local->sparm.b4.a_beacon_period[0] = 0;
 659                 local->sparm.b4.a_beacon_period[1] =
 660                     ((beacon_period / hop_dwell) - 1) & 0xff;
 661                 local->sparm.b4.a_curr_country_code = country;
 662                 local->sparm.b4.a_hop_pattern_length =
 663                     hop_pattern_length[(int)country] - 1;
 664                 if (bc) {
 665                         local->sparm.b4.a_ack_timeout = 0x50;
 666                         local->sparm.b4.a_sifs = 0x3f;
 667                 }
 668         } else { /* Version 5 uses real kus values */
 669                 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
 670                        sizeof(struct b5_startup_params));
 671
 672                 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
 673                 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
 674                 local->sparm.b5.a_beacon_period[0] =
 675                     (beacon_period >> 8) & 0xff;
 676                 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
 677                 if (psm)
 678                         local->sparm.b5.a_power_mgt_state = 1;
 679                 local->sparm.b5.a_curr_country_code = country;
 680                 local->sparm.b5.a_hop_pattern_length =
 681                     hop_pattern_length[(int)country];
 682         }
 683
 684         local->sparm.b4.a_network_type = net_type & 0x01;
 685         local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
 686
 687         if (essid != NULL)
 688                 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
 689 } /* init_startup_params */
 690
 691 /*===========================================================================*/
 692 static void verify_dl_startup(u_long data)
 693 {
 694         ray_dev_t *local = (ray_dev_t *) data;
 695         struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
 696         UCHAR status;
 697         struct pcmcia_device *link = local->finder;
 698
 699         if (!(pcmcia_dev_present(link))) {
 700                 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
 701                 return;
 702         }
 703 #if 0
 704         {
 705                 int i;
 706                 printk(KERN_DEBUG
 707                        "verify_dl_startup parameters sent via ccs %d:\n",
 708                        local->dl_param_ccs);
 709                 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
 710                         printk(" %2x",
 711                                (unsigned int)readb(local->sram +
 712                                                    HOST_TO_ECF_BASE + i));
 713                 }
 714                 printk("\n");
 715         }
 716 #endif
 717
 718         status = readb(&pccs->buffer_status);
 719         if (status != CCS_BUFFER_FREE) {
 720                 printk(KERN_INFO
 721                        "Download startup params failed.  Status = %d\n",
 722                        status);
 723                 local->card_status = CARD_DL_PARAM_ERROR;
 724                 return;
 725         }
 726         if (local->sparm.b4.a_network_type == ADHOC)
 727                 start_net((u_long) local);
 728         else
 729                 join_net((u_long) local);
 730
 731         return;
 732 } /* end verify_dl_startup */
 733
 734 /*===========================================================================*/
 735 /* Command card to start a network */
 736 static void start_net(u_long data)
 737 {
 738         ray_dev_t *local = (ray_dev_t *) data;
 739         struct ccs __iomem *pccs;
 740         int ccsindex;
 741         struct pcmcia_device *link = local->finder;
 742         if (!(pcmcia_dev_present(link))) {
 743                 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
 744                 return;
 745         }
 746         /* Fill in the CCS fields for the ECF */
 747         if ((ccsindex = get_free_ccs(local)) < 0)
 748                 return;
 749         pccs = ccs_base(local) + ccsindex;
 750         writeb(CCS_START_NETWORK, &pccs->cmd);
 751         writeb(0, &pccs->var.start_network.update_param);
 752         /* Interrupt the firmware to process the command */
 753         if (interrupt_ecf(local, ccsindex)) {
 754                 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
 755                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 756                 return;
 757         }
 758         local->card_status = CARD_DOING_ACQ;
 759         return;
 760 } /* end start_net */
 761
 762 /*===========================================================================*/
 763 /* Command card to join a network */
 764 static void join_net(u_long data)
 765 {
 766         ray_dev_t *local = (ray_dev_t *) data;
 767
 768         struct ccs __iomem *pccs;
 769         int ccsindex;
 770         struct pcmcia_device *link = local->finder;
 771
 772         if (!(pcmcia_dev_present(link))) {
 773                 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
 774                 return;
 775         }
 776         /* Fill in the CCS fields for the ECF */
 777         if ((ccsindex = get_free_ccs(local)) < 0)
 778                 return;
 779         pccs = ccs_base(local) + ccsindex;
 780         writeb(CCS_JOIN_NETWORK, &pccs->cmd);
 781         writeb(0, &pccs->var.join_network.update_param);
 782         writeb(0, &pccs->var.join_network.net_initiated);
 783         /* Interrupt the firmware to process the command */
 784         if (interrupt_ecf(local, ccsindex)) {
 785                 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
 786                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 787                 return;
 788         }
 789         local->card_status = CARD_DOING_ACQ;
 790         return;
 791 }
 792
 793 /*============================================================================
 794     After a card is removed, ray_release() will unregister the net
 795     device, and release the PCMCIA configuration.  If the device is
 796     still open, this will be postponed until it is closed.
 797 =============================================================================*/
 798 static void ray_release(struct pcmcia_device *link)
 799 {
 800         struct net_device *dev = link->priv;
 801         ray_dev_t *local = netdev_priv(dev);
 802         int i;
 803
 804         dev_dbg(&link->dev, "ray_release\n");
 805
 806         del_timer(&local->timer);
 807
 808         iounmap(local->sram);
 809         iounmap(local->rmem);
 810         iounmap(local->amem);
 811         /* Do bother checking to see if these succeed or not */
 812         i = pcmcia_release_window(link, local->amem_handle);
 813         if (i != 0)
 814                 dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i);
 815         i = pcmcia_release_window(link, local->rmem_handle);
 816         if (i != 0)
 817                 dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i);
 818         pcmcia_disable_device(link);
 819
 820         dev_dbg(&link->dev, "ray_release ending\n");
 821 }
 822
 823 static int ray_suspend(struct pcmcia_device *link)
 824 {
 825         struct net_device *dev = link->priv;
 826
 827         if (link->open)
 828                 netif_device_detach(dev);
 829
 830         return 0;
 831 }
 832
 833 static int ray_resume(struct pcmcia_device *link)
 834 {
 835         struct net_device *dev = link->priv;
 836
 837         if (link->open) {
 838                 ray_reset(dev);
 839                 netif_device_attach(dev);
 840         }
 841
 842         return 0;
 843 }
 844
 845 /*===========================================================================*/
 846 static int ray_dev_init(struct net_device *dev)
 847 {
 848 #ifdef RAY_IMMEDIATE_INIT
 849         int i;
 850 #endif /* RAY_IMMEDIATE_INIT */
 851         ray_dev_t *local = netdev_priv(dev);
 852         struct pcmcia_device *link = local->finder;
 853
 854         dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
 855         if (!(pcmcia_dev_present(link))) {
 856                 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
 857                 return -1;
 858         }
 859 #ifdef RAY_IMMEDIATE_INIT
 860         /* Download startup parameters */
 861         if ((i = dl_startup_params(dev)) < 0) {
 862                 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
 863                        "returns 0x%x\n", i);
 864                 return -1;
 865         }
 866 #else /* RAY_IMMEDIATE_INIT */
 867         /* Postpone the card init so that we can still configure the card,
 868          * for example using the Wireless Extensions. The init will happen
 869          * in ray_open() - Jean II */
 870         dev_dbg(&link->dev,
 871               "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
 872               local->card_status);
 873 #endif /* RAY_IMMEDIATE_INIT */
 874
 875         /* copy mac and broadcast addresses to linux device */
 876         memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
 877         memset(dev->broadcast, 0xff, ETH_ALEN);
 878
 879         dev_dbg(&link->dev, "ray_dev_init ending\n");
 880         return 0;
 881 }
 882
 883 /*===========================================================================*/
 884 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
 885 {
 886         ray_dev_t *local = netdev_priv(dev);
 887         struct pcmcia_device *link = local->finder;
 888         /* Dummy routine to satisfy device structure */
 889         dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
 890         if (!(pcmcia_dev_present(link))) {
 891                 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
 892                 return -1;
 893         }
 894
 895         return 0;
 896 }
 897
 898 /*===========================================================================*/
 899 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
 900                                             struct net_device *dev)
 901 {
 902         ray_dev_t *local = netdev_priv(dev);
 903         struct pcmcia_device *link = local->finder;
 904         short length = skb->len;
 905
 906         if (!pcmcia_dev_present(link)) {
 907                 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
 908                 dev_kfree_skb(skb);
 909                 return NETDEV_TX_OK;
 910         }
 911
 912         dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
 913         if (local->authentication_state == NEED_TO_AUTH) {
 914                 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
 915                 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
 916                         local->authentication_state = AUTHENTICATED;
 917                         netif_stop_queue(dev);
 918                         return NETDEV_TX_BUSY;
 919                 }
 920         }
 921
 922         if (length < ETH_ZLEN) {
 923                 if (skb_padto(skb, ETH_ZLEN))
 924                         return NETDEV_TX_OK;
 925                 length = ETH_ZLEN;
 926         }
 927         switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
 928         case XMIT_NO_CCS:
 929         case XMIT_NEED_AUTH:
 930                 netif_stop_queue(dev);
 931                 return NETDEV_TX_BUSY;
 932         case XMIT_NO_INTR:
 933         case XMIT_MSG_BAD:
 934         case XMIT_OK:
 935         default:
 936                 dev->trans_start = jiffies;
 937                 dev_kfree_skb(skb);
 938         }
 939
 940         return NETDEV_TX_OK;
 941 } /* ray_dev_start_xmit */
 942
 943 /*===========================================================================*/
 944 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
 945                        UCHAR msg_type)
 946 {
 947         ray_dev_t *local = netdev_priv(dev);
 948         struct ccs __iomem *pccs;
 949         int ccsindex;
 950         int offset;
 951         struct tx_msg __iomem *ptx;     /* Address of xmit buffer in PC space */
 952         short int addr;         /* Address of xmit buffer in card space */
 953
 954         pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
 955         if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
 956                 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
 957                        len);
 958                 return XMIT_MSG_BAD;
 959         }
 960         switch (ccsindex = get_free_tx_ccs(local)) {
 961         case ECCSBUSY:
 962                 pr_debug("ray_hw_xmit tx_ccs table busy\n");
 963         case ECCSFULL:
 964                 pr_debug("ray_hw_xmit No free tx ccs\n");
 965         case ECARDGONE:
 966                 netif_stop_queue(dev);
 967                 return XMIT_NO_CCS;
 968         default:
 969                 break;
 970         }
 971         addr = TX_BUF_BASE + (ccsindex << 11);
 972
 973         if (msg_type == DATA_TYPE) {
 974                 local->stats.tx_bytes += len;
 975                 local->stats.tx_packets++;
 976         }
 977
 978         ptx = local->sram + addr;
 979
 980         ray_build_header(local, ptx, msg_type, data);
 981         if (translate) {
 982                 offset = translate_frame(local, ptx, data, len);
 983         } else { /* Encapsulate frame */
 984                 /* TBD TIB length will move address of ptx->var */
 985                 memcpy_toio(&ptx->var, data, len);
 986                 offset = 0;
 987         }
 988
 989         /* fill in the CCS */
 990         pccs = ccs_base(local) + ccsindex;
 991         len += TX_HEADER_LENGTH + offset;
 992         writeb(CCS_TX_REQUEST, &pccs->cmd);
 993         writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
 994         writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
 995         writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
 996         writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
 997 /* TBD still need psm_cam? */
 998         writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
 999         writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
1000         writeb(0, &pccs->var.tx_request.antenna);
1001         pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
1002               local->net_default_tx_rate);
1003
1004         /* Interrupt the firmware to process the command */
1005         if (interrupt_ecf(local, ccsindex)) {
1006                 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
1007 /* TBD very inefficient to copy packet to buffer, and then not
1008    send it, but the alternative is to queue the messages and that
1009    won't be done for a while.  Maybe set tbusy until a CCS is free?
1010 */
1011                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1012                 return XMIT_NO_INTR;
1013         }
1014         return XMIT_OK;
1015 } /* end ray_hw_xmit */
1016
1017 /*===========================================================================*/
1018 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1019                            unsigned char *data, int len)
1020 {
1021         __be16 proto = ((struct ethhdr *)data)->h_proto;
1022         if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1023                 pr_debug("ray_cs translate_frame DIX II\n");
1024                 /* Copy LLC header to card buffer */
1025                 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1026                 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1027                             (UCHAR *) &proto, 2);
1028                 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1029                         /* This is the selective translation table, only 2 entries */
1030                         writeb(0xf8,
1031                                &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1032                 }
1033                 /* Copy body of ethernet packet without ethernet header */
1034                 memcpy_toio((void __iomem *)&ptx->var +
1035                             sizeof(struct snaphdr_t), data + ETH_HLEN,
1036                             len - ETH_HLEN);
1037                 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1038         } else { /* already  802 type, and proto is length */
1039                 pr_debug("ray_cs translate_frame 802\n");
1040                 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1041                         pr_debug("ray_cs translate_frame evil IPX\n");
1042                         memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1043                         return 0 - ETH_HLEN;
1044                 }
1045                 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1046                 return 0 - ETH_HLEN;
1047         }
1048         /* TBD do other frame types */
1049 } /* end translate_frame */
1050
1051 /*===========================================================================*/
1052 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1053                              UCHAR msg_type, unsigned char *data)
1054 {
1055         writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1056 /*** IEEE 802.11 Address field assignments *************
1057                 TODS    FROMDS  addr_1          addr_2          addr_3  addr_4
1058 Adhoc           0       0       dest            src (terminal)  BSSID   N/A
1059 AP to Terminal  0       1       dest            AP(BSSID)       source  N/A
1060 Terminal to AP  1       0       AP(BSSID)       src (terminal)  dest    N/A
1061 AP to AP        1       1       dest AP         src AP          dest    source
1062 *******************************************************/
1063         if (local->net_type == ADHOC) {
1064                 writeb(0, &ptx->mac.frame_ctl_2);
1065                 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1066                             2 * ADDRLEN);
1067                 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1068         } else { /* infrastructure */
1069
1070                 if (local->sparm.b4.a_acting_as_ap_status) {
1071                         writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1072                         memcpy_toio(ptx->mac.addr_1,
1073                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1074                         memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1075                         memcpy_toio(ptx->mac.addr_3,
1076                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1077                 } else { /* Terminal */
1078
1079                         writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1080                         memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1081                         memcpy_toio(ptx->mac.addr_2,
1082                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1083                         memcpy_toio(ptx->mac.addr_3,
1084                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1085                 }
1086         }
1087 } /* end encapsulate_frame */
1088
1089 /*===========================================================================*/
1090
1091 static void netdev_get_drvinfo(struct net_device *dev,
1092                                struct ethtool_drvinfo *info)
1093 {
1094         strcpy(info->driver, "ray_cs");
1095 }
1096
1097 static const struct ethtool_ops netdev_ethtool_ops = {
1098         .get_drvinfo = netdev_get_drvinfo,
1099 };
1100
1101 /*====================================================================*/
1102
1103 /*------------------------------------------------------------------*/
1104 /*
1105  * Wireless Handler : get protocol name
1106  */
1107 static int ray_get_name(struct net_device *dev,
1108                         struct iw_request_info *info, char *cwrq, char *extra)
1109 {
1110         strcpy(cwrq, "IEEE 802.11-FH");
1111         return 0;
1112 }
1113
1114 /*------------------------------------------------------------------*/
1115 /*
1116  * Wireless Handler : set frequency
1117  */
1118 static int ray_set_freq(struct net_device *dev,
1119                         struct iw_request_info *info,
1120                         struct iw_freq *fwrq, char *extra)
1121 {
1122         ray_dev_t *local = netdev_priv(dev);
1123         int err = -EINPROGRESS; /* Call commit handler */
1124
1125         /* Reject if card is already initialised */
1126         if (local->card_status != CARD_AWAITING_PARAM)
1127                 return -EBUSY;
1128
1129         /* Setting by channel number */
1130         if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
1131                 err = -EOPNOTSUPP;
1132         else
1133                 local->sparm.b5.a_hop_pattern = fwrq->m;
1134
1135         return err;
1136 }
1137
1138 /*------------------------------------------------------------------*/
1139 /*
1140  * Wireless Handler : get frequency
1141  */
1142 static int ray_get_freq(struct net_device *dev,
1143                         struct iw_request_info *info,
1144                         struct iw_freq *fwrq, char *extra)
1145 {
1146         ray_dev_t *local = netdev_priv(dev);
1147
1148         fwrq->m = local->sparm.b5.a_hop_pattern;
1149         fwrq->e = 0;
1150         return 0;
1151 }
1152
1153 /*------------------------------------------------------------------*/
1154 /*
1155  * Wireless Handler : set ESSID
1156  */
1157 static int ray_set_essid(struct net_device *dev,
1158                          struct iw_request_info *info,
1159                          struct iw_point *dwrq, char *extra)
1160 {
1161         ray_dev_t *local = netdev_priv(dev);
1162
1163         /* Reject if card is already initialised */
1164         if (local->card_status != CARD_AWAITING_PARAM)
1165                 return -EBUSY;
1166
1167         /* Check if we asked for `any' */
1168         if (dwrq->flags == 0) {
1169                 /* Corey : can you do that ? */
1170                 return -EOPNOTSUPP;
1171         } else {
1172                 /* Check the size of the string */
1173                 if (dwrq->length > IW_ESSID_MAX_SIZE) {
1174                         return -E2BIG;
1175                 }
1176
1177                 /* Set the ESSID in the card */
1178                 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1179                 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
1180         }
1181
1182         return -EINPROGRESS;    /* Call commit handler */
1183 }
1184
1185 /*------------------------------------------------------------------*/
1186 /*
1187  * Wireless Handler : get ESSID
1188  */
1189 static int ray_get_essid(struct net_device *dev,
1190                          struct iw_request_info *info,
1191                          struct iw_point *dwrq, char *extra)
1192 {
1193         ray_dev_t *local = netdev_priv(dev);
1194
1195         /* Get the essid that was set */
1196         memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1197
1198         /* Push it out ! */
1199         dwrq->length = strlen(extra);
1200         dwrq->flags = 1;        /* active */
1201
1202         return 0;
1203 }
1204
1205 /*------------------------------------------------------------------*/
1206 /*
1207  * Wireless Handler : get AP address
1208  */
1209 static int ray_get_wap(struct net_device *dev,
1210                        struct iw_request_info *info,
1211                        struct sockaddr *awrq, char *extra)
1212 {
1213         ray_dev_t *local = netdev_priv(dev);
1214
1215         memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
1216         awrq->sa_family = ARPHRD_ETHER;
1217
1218         return 0;
1219 }
1220
1221 /*------------------------------------------------------------------*/
1222 /*
1223  * Wireless Handler : set Bit-Rate
1224  */
1225 static int ray_set_rate(struct net_device *dev,
1226                         struct iw_request_info *info,
1227                         struct iw_param *vwrq, char *extra)
1228 {
1229         ray_dev_t *local = netdev_priv(dev);
1230
1231         /* Reject if card is already initialised */
1232         if (local->card_status != CARD_AWAITING_PARAM)
1233                 return -EBUSY;
1234
1235         /* Check if rate is in range */
1236         if ((vwrq->value != 1000000) && (vwrq->value != 2000000))
1237                 return -EINVAL;
1238
1239         /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1240         if ((local->fw_ver == 0x55) &&  /* Please check */
1241             (vwrq->value == 2000000))
1242                 local->net_default_tx_rate = 3;
1243         else
1244                 local->net_default_tx_rate = vwrq->value / 500000;
1245
1246         return 0;
1247 }
1248
1249 /*------------------------------------------------------------------*/
1250 /*
1251  * Wireless Handler : get Bit-Rate
1252  */
1253 static int ray_get_rate(struct net_device *dev,
1254                         struct iw_request_info *info,
1255                         struct iw_param *vwrq, char *extra)
1256 {
1257         ray_dev_t *local = netdev_priv(dev);
1258
1259         if (local->net_default_tx_rate == 3)
1260                 vwrq->value = 2000000;  /* Hum... */
1261         else
1262                 vwrq->value = local->net_default_tx_rate * 500000;
1263         vwrq->fixed = 0;        /* We are in auto mode */
1264
1265         return 0;
1266 }
1267
1268 /*------------------------------------------------------------------*/
1269 /*
1270  * Wireless Handler : set RTS threshold
1271  */
1272 static int ray_set_rts(struct net_device *dev,
1273                        struct iw_request_info *info,
1274                        struct iw_param *vwrq, char *extra)
1275 {
1276         ray_dev_t *local = netdev_priv(dev);
1277         int rthr = vwrq->value;
1278
1279         /* Reject if card is already initialised */
1280         if (local->card_status != CARD_AWAITING_PARAM)
1281                 return -EBUSY;
1282
1283         /* if(wrq->u.rts.fixed == 0) we should complain */
1284         if (vwrq->disabled)
1285                 rthr = 32767;
1286         else {
1287                 if ((rthr < 0) || (rthr > 2347))   /* What's the max packet size ??? */
1288                         return -EINVAL;
1289         }
1290         local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1291         local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1292
1293         return -EINPROGRESS;    /* Call commit handler */
1294 }
1295
1296 /*------------------------------------------------------------------*/
1297 /*
1298  * Wireless Handler : get RTS threshold
1299  */
1300 static int ray_get_rts(struct net_device *dev,
1301                        struct iw_request_info *info,
1302                        struct iw_param *vwrq, char *extra)
1303 {
1304         ray_dev_t *local = netdev_priv(dev);
1305
1306         vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
1307             + local->sparm.b5.a_rts_threshold[1];
1308         vwrq->disabled = (vwrq->value == 32767);
1309         vwrq->fixed = 1;
1310
1311         return 0;
1312 }
1313
1314 /*------------------------------------------------------------------*/
1315 /*
1316  * Wireless Handler : set Fragmentation threshold
1317  */
1318 static int ray_set_frag(struct net_device *dev,
1319                         struct iw_request_info *info,
1320                         struct iw_param *vwrq, char *extra)
1321 {
1322         ray_dev_t *local = netdev_priv(dev);
1323         int fthr = vwrq->value;
1324
1325         /* Reject if card is already initialised */
1326         if (local->card_status != CARD_AWAITING_PARAM)
1327                 return -EBUSY;
1328
1329         /* if(wrq->u.frag.fixed == 0) should complain */
1330         if (vwrq->disabled)
1331                 fthr = 32767;
1332         else {
1333                 if ((fthr < 256) || (fthr > 2347))      /* To check out ! */
1334                         return -EINVAL;
1335         }
1336         local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1337         local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1338
1339         return -EINPROGRESS;    /* Call commit handler */
1340 }
1341
1342 /*------------------------------------------------------------------*/
1343 /*
1344  * Wireless Handler : get Fragmentation threshold
1345  */
1346 static int ray_get_frag(struct net_device *dev,
1347                         struct iw_request_info *info,
1348                         struct iw_param *vwrq, char *extra)
1349 {
1350         ray_dev_t *local = netdev_priv(dev);
1351
1352         vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
1353             + local->sparm.b5.a_frag_threshold[1];
1354         vwrq->disabled = (vwrq->value == 32767);
1355         vwrq->fixed = 1;
1356
1357         return 0;
1358 }
1359
1360 /*------------------------------------------------------------------*/
1361 /*
1362  * Wireless Handler : set Mode of Operation
1363  */
1364 static int ray_set_mode(struct net_device *dev,
1365                         struct iw_request_info *info, __u32 *uwrq, char *extra)
1366 {
1367         ray_dev_t *local = netdev_priv(dev);
1368         int err = -EINPROGRESS; /* Call commit handler */
1369         char card_mode = 1;
1370
1371         /* Reject if card is already initialised */
1372         if (local->card_status != CARD_AWAITING_PARAM)
1373                 return -EBUSY;
1374
1375         switch (*uwrq) {
1376         case IW_MODE_ADHOC:
1377                 card_mode = 0;
1378                 /* Fall through */
1379         case IW_MODE_INFRA:
1380                 local->sparm.b5.a_network_type = card_mode;
1381                 break;
1382         default:
1383                 err = -EINVAL;
1384         }
1385
1386         return err;
1387 }
1388
1389 /*------------------------------------------------------------------*/
1390 /*
1391  * Wireless Handler : get Mode of Operation
1392  */
1393 static int ray_get_mode(struct net_device *dev,
1394                         struct iw_request_info *info, __u32 *uwrq, char *extra)
1395 {
1396         ray_dev_t *local = netdev_priv(dev);
1397
1398         if (local->sparm.b5.a_network_type)
1399                 *uwrq = IW_MODE_INFRA;
1400         else
1401                 *uwrq = IW_MODE_ADHOC;
1402
1403         return 0;
1404 }
1405
1406 /*------------------------------------------------------------------*/
1407 /*
1408  * Wireless Handler : get range info
1409  */
1410 static int ray_get_range(struct net_device *dev,
1411                          struct iw_request_info *info,
1412                          struct iw_point *dwrq, char *extra)
1413 {
1414         struct iw_range *range = (struct iw_range *)extra;
1415
1416         memset((char *)range, 0, sizeof(struct iw_range));
1417
1418         /* Set the length (very important for backward compatibility) */
1419         dwrq->length = sizeof(struct iw_range);
1420
1421         /* Set the Wireless Extension versions */
1422         range->we_version_compiled = WIRELESS_EXT;
1423         range->we_version_source = 9;
1424
1425         /* Set information in the range struct */
1426         range->throughput = 1.1 * 1000 * 1000;  /* Put the right number here */
1427         range->num_channels = hop_pattern_length[(int)country];
1428         range->num_frequency = 0;
1429         range->max_qual.qual = 0;
1430         range->max_qual.level = 255;    /* What's the correct value ? */
1431         range->max_qual.noise = 255;    /* Idem */
1432         range->num_bitrates = 2;
1433         range->bitrate[0] = 1000000;    /* 1 Mb/s */
1434         range->bitrate[1] = 2000000;    /* 2 Mb/s */
1435         return 0;
1436 }
1437
1438 /*------------------------------------------------------------------*/
1439 /*
1440  * Wireless Private Handler : set framing mode
1441  */
1442 static int ray_set_framing(struct net_device *dev,
1443                            struct iw_request_info *info,
1444                            union iwreq_data *wrqu, char *extra)
1445 {
1446         translate = *(extra);   /* Set framing mode */
1447
1448         return 0;
1449 }
1450
1451 /*------------------------------------------------------------------*/
1452 /*
1453  * Wireless Private Handler : get framing mode
1454  */
1455 static int ray_get_framing(struct net_device *dev,
1456                            struct iw_request_info *info,
1457                            union iwreq_data *wrqu, char *extra)
1458 {
1459         *(extra) = translate;
1460
1461         return 0;
1462 }
1463
1464 /*------------------------------------------------------------------*/
1465 /*
1466  * Wireless Private Handler : get country
1467  */
1468 static int ray_get_country(struct net_device *dev,
1469                            struct iw_request_info *info,
1470                            union iwreq_data *wrqu, char *extra)
1471 {
1472         *(extra) = country;
1473
1474         return 0;
1475 }
1476
1477 /*------------------------------------------------------------------*/
1478 /*
1479  * Commit handler : called after a bunch of SET operations
1480  */
1481 static int ray_commit(struct net_device *dev, struct iw_request_info *info,     /* NULL */
1482                       void *zwrq,       /* NULL */
1483                       char *extra)
1484 { /* NULL */
1485         return 0;
1486 }
1487
1488 /*------------------------------------------------------------------*/
1489 /*
1490  * Stats handler : return Wireless Stats
1491  */
1492 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1493 {
1494         ray_dev_t *local = netdev_priv(dev);
1495         struct pcmcia_device *link = local->finder;
1496         struct status __iomem *p = local->sram + STATUS_BASE;
1497
1498         local->wstats.status = local->card_status;
1499 #ifdef WIRELESS_SPY
1500         if ((local->spy_data.spy_number > 0)
1501             && (local->sparm.b5.a_network_type == 0)) {
1502                 /* Get it from the first node in spy list */
1503                 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1504                 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1505                 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1506                 local->wstats.qual.updated =
1507                     local->spy_data.spy_stat[0].updated;
1508         }
1509 #endif /* WIRELESS_SPY */
1510
1511         if (pcmcia_dev_present(link)) {
1512                 local->wstats.qual.noise = readb(&p->rxnoise);
1513                 local->wstats.qual.updated |= 4;
1514         }
1515
1516         return &local->wstats;
1517 } /* end ray_get_wireless_stats */
1518
1519 /*------------------------------------------------------------------*/
1520 /*
1521  * Structures to export the Wireless Handlers
1522  */
1523
1524 static const iw_handler ray_handler[] = {
1525         [SIOCSIWCOMMIT - SIOCIWFIRST] = (iw_handler) ray_commit,
1526         [SIOCGIWNAME - SIOCIWFIRST] = (iw_handler) ray_get_name,
1527         [SIOCSIWFREQ - SIOCIWFIRST] = (iw_handler) ray_set_freq,
1528         [SIOCGIWFREQ - SIOCIWFIRST] = (iw_handler) ray_get_freq,
1529         [SIOCSIWMODE - SIOCIWFIRST] = (iw_handler) ray_set_mode,
1530         [SIOCGIWMODE - SIOCIWFIRST] = (iw_handler) ray_get_mode,
1531         [SIOCGIWRANGE - SIOCIWFIRST] = (iw_handler) ray_get_range,
1532 #ifdef WIRELESS_SPY
1533         [SIOCSIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
1534         [SIOCGIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
1535         [SIOCSIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
1536         [SIOCGIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
1537 #endif /* WIRELESS_SPY */
1538         [SIOCGIWAP - SIOCIWFIRST] = (iw_handler) ray_get_wap,
1539         [SIOCSIWESSID - SIOCIWFIRST] = (iw_handler) ray_set_essid,
1540         [SIOCGIWESSID - SIOCIWFIRST] = (iw_handler) ray_get_essid,
1541         [SIOCSIWRATE - SIOCIWFIRST] = (iw_handler) ray_set_rate,
1542         [SIOCGIWRATE - SIOCIWFIRST] = (iw_handler) ray_get_rate,
1543         [SIOCSIWRTS - SIOCIWFIRST] = (iw_handler) ray_set_rts,
1544         [SIOCGIWRTS - SIOCIWFIRST] = (iw_handler) ray_get_rts,
1545         [SIOCSIWFRAG - SIOCIWFIRST] = (iw_handler) ray_set_frag,
1546         [SIOCGIWFRAG - SIOCIWFIRST] = (iw_handler) ray_get_frag,
1547 };
1548
1549 #define SIOCSIPFRAMING  SIOCIWFIRSTPRIV /* Set framing mode */
1550 #define SIOCGIPFRAMING  SIOCIWFIRSTPRIV + 1     /* Get framing mode */
1551 #define SIOCGIPCOUNTRY  SIOCIWFIRSTPRIV + 3     /* Get country code */
1552
1553 static const iw_handler ray_private_handler[] = {
1554         [0] = (iw_handler) ray_set_framing,
1555         [1] = (iw_handler) ray_get_framing,
1556         [3] = (iw_handler) ray_get_country,
1557 };
1558
1559 static const struct iw_priv_args ray_private_args[] = {
1560 /* cmd,         set_args,       get_args,       name */
1561         {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1562          "set_framing"},
1563         {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1564          "get_framing"},
1565         {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1566          "get_country"},
1567 };
1568
1569 static const struct iw_handler_def ray_handler_def = {
1570         .num_standard = ARRAY_SIZE(ray_handler),
1571         .num_private = ARRAY_SIZE(ray_private_handler),
1572         .num_private_args = ARRAY_SIZE(ray_private_args),
1573         .standard = ray_handler,
1574         .private = ray_private_handler,
1575         .private_args = ray_private_args,
1576         .get_wireless_stats = ray_get_wireless_stats,
1577 };
1578
1579 /*===========================================================================*/
1580 static int ray_open(struct net_device *dev)
1581 {
1582         ray_dev_t *local = netdev_priv(dev);
1583         struct pcmcia_device *link;
1584         link = local->finder;
1585
1586         dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1587
1588         if (link->open == 0)
1589                 local->num_multi = 0;
1590         link->open++;
1591
1592         /* If the card is not started, time to start it ! - Jean II */
1593         if (local->card_status == CARD_AWAITING_PARAM) {
1594                 int i;
1595
1596                 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1597
1598                 /* Download startup parameters */
1599                 if ((i = dl_startup_params(dev)) < 0) {
1600                         printk(KERN_INFO
1601                                "ray_dev_init dl_startup_params failed - "
1602                                "returns 0x%x\n", i);
1603                         return -1;
1604                 }
1605         }
1606
1607         if (sniffer)
1608                 netif_stop_queue(dev);
1609         else
1610                 netif_start_queue(dev);
1611
1612         dev_dbg(&link->dev, "ray_open ending\n");
1613         return 0;
1614 } /* end ray_open */
1615
1616 /*===========================================================================*/
1617 static int ray_dev_close(struct net_device *dev)
1618 {
1619         ray_dev_t *local = netdev_priv(dev);
1620         struct pcmcia_device *link;
1621         link = local->finder;
1622
1623         dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1624
1625         link->open--;
1626         netif_stop_queue(dev);
1627
1628         /* In here, we should stop the hardware (stop card from beeing active)
1629          * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1630          * card is closed we can chage its configuration.
1631          * Probably also need a COR reset to get sane state - Jean II */
1632
1633         return 0;
1634 } /* end ray_dev_close */
1635
1636 /*===========================================================================*/
1637 static void ray_reset(struct net_device *dev)
1638 {
1639         pr_debug("ray_reset entered\n");
1640         return;
1641 }
1642
1643 /*===========================================================================*/
1644 /* Cause a firmware interrupt if it is ready for one                         */
1645 /* Return nonzero if not ready                                               */
1646 static int interrupt_ecf(ray_dev_t *local, int ccs)
1647 {
1648         int i = 50;
1649         struct pcmcia_device *link = local->finder;
1650
1651         if (!(pcmcia_dev_present(link))) {
1652                 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1653                 return -1;
1654         }
1655         dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1656
1657         while (i &&
1658                (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1659                 ECF_INTR_SET))
1660                 i--;
1661         if (i == 0) {
1662                 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1663                 return -1;
1664         }
1665         /* Fill the mailbox, then kick the card */
1666         writeb(ccs, local->sram + SCB_BASE);
1667         writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1668         return 0;
1669 } /* interrupt_ecf */
1670
1671 /*===========================================================================*/
1672 /* Get next free transmit CCS                                                */
1673 /* Return - index of current tx ccs                                          */
1674 static int get_free_tx_ccs(ray_dev_t *local)
1675 {
1676         int i;
1677         struct ccs __iomem *pccs = ccs_base(local);
1678         struct pcmcia_device *link = local->finder;
1679
1680         if (!(pcmcia_dev_present(link))) {
1681                 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1682                 return ECARDGONE;
1683         }
1684
1685         if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1686                 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1687                 return ECCSBUSY;
1688         }
1689
1690         for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1691                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1692                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1693                         writeb(CCS_END_LIST, &(pccs + i)->link);
1694                         local->tx_ccs_lock = 0;
1695                         return i;
1696                 }
1697         }
1698         local->tx_ccs_lock = 0;
1699         dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1700         return ECCSFULL;
1701 } /* get_free_tx_ccs */
1702
1703 /*===========================================================================*/
1704 /* Get next free CCS                                                         */
1705 /* Return - index of current ccs                                             */
1706 static int get_free_ccs(ray_dev_t *local)
1707 {
1708         int i;
1709         struct ccs __iomem *pccs = ccs_base(local);
1710         struct pcmcia_device *link = local->finder;
1711
1712         if (!(pcmcia_dev_present(link))) {
1713                 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1714                 return ECARDGONE;
1715         }
1716         if (test_and_set_bit(0, &local->ccs_lock)) {
1717                 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1718                 return ECCSBUSY;
1719         }
1720
1721         for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1722                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1723                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1724                         writeb(CCS_END_LIST, &(pccs + i)->link);
1725                         local->ccs_lock = 0;
1726                         return i;
1727                 }
1728         }
1729         local->ccs_lock = 0;
1730         dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1731         return ECCSFULL;
1732 } /* get_free_ccs */
1733
1734 /*===========================================================================*/
1735 static void authenticate_timeout(u_long data)
1736 {
1737         ray_dev_t *local = (ray_dev_t *) data;
1738         del_timer(&local->timer);
1739         printk(KERN_INFO "ray_cs Authentication with access point failed"
1740                " - timeout\n");
1741         join_net((u_long) local);
1742 }
1743
1744 /*===========================================================================*/
1745 static int asc_to_int(char a)
1746 {
1747         if (a < '0')
1748                 return -1;
1749         if (a <= '9')
1750                 return (a - '0');
1751         if (a < 'A')
1752                 return -1;
1753         if (a <= 'F')
1754                 return (10 + a - 'A');
1755         if (a < 'a')
1756                 return -1;
1757         if (a <= 'f')
1758                 return (10 + a - 'a');
1759         return -1;
1760 }
1761
1762 /*===========================================================================*/
1763 static int parse_addr(char *in_str, UCHAR *out)
1764 {
1765         int len;
1766         int i, j, k;
1767         int status;
1768
1769         if (in_str == NULL)
1770                 return 0;
1771         if ((len = strlen(in_str)) < 2)
1772                 return 0;
1773         memset(out, 0, ADDRLEN);
1774
1775         status = 1;
1776         j = len - 1;
1777         if (j > 12)
1778                 j = 12;
1779         i = 5;
1780
1781         while (j > 0) {
1782                 if ((k = asc_to_int(in_str[j--])) != -1)
1783                         out[i] = k;
1784                 else
1785                         return 0;
1786
1787                 if (j == 0)
1788                         break;
1789                 if ((k = asc_to_int(in_str[j--])) != -1)
1790                         out[i] += k << 4;
1791                 else
1792                         return 0;
1793                 if (!i--)
1794                         break;
1795         }
1796         return status;
1797 }
1798
1799 /*===========================================================================*/
1800 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1801 {
1802         ray_dev_t *local = netdev_priv(dev);
1803         struct pcmcia_device *link = local->finder;
1804         struct status __iomem *p = local->sram + STATUS_BASE;
1805         if (!(pcmcia_dev_present(link))) {
1806                 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1807                 return &local->stats;
1808         }
1809         if (readb(&p->mrx_overflow_for_host)) {
1810                 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1811                 writeb(0, &p->mrx_overflow);
1812                 writeb(0, &p->mrx_overflow_for_host);
1813         }
1814         if (readb(&p->mrx_checksum_error_for_host)) {
1815                 local->stats.rx_crc_errors +=
1816                     swab16(readw(&p->mrx_checksum_error));
1817                 writeb(0, &p->mrx_checksum_error);
1818                 writeb(0, &p->mrx_checksum_error_for_host);
1819         }
1820         if (readb(&p->rx_hec_error_for_host)) {
1821                 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1822                 writeb(0, &p->rx_hec_error);
1823                 writeb(0, &p->rx_hec_error_for_host);
1824         }
1825         return &local->stats;
1826 }
1827
1828 /*===========================================================================*/
1829 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1830                             int len)
1831 {
1832         ray_dev_t *local = netdev_priv(dev);
1833         struct pcmcia_device *link = local->finder;
1834         int ccsindex;
1835         int i;
1836         struct ccs __iomem *pccs;
1837
1838         if (!(pcmcia_dev_present(link))) {
1839                 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1840                 return;
1841         }
1842
1843         if ((ccsindex = get_free_ccs(local)) < 0) {
1844                 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1845                 return;
1846         }
1847         pccs = ccs_base(local) + ccsindex;
1848         writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1849         writeb(objid, &pccs->var.update_param.object_id);
1850         writeb(1, &pccs->var.update_param.number_objects);
1851         writeb(0, &pccs->var.update_param.failure_cause);
1852         for (i = 0; i < len; i++) {
1853                 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1854         }
1855         /* Interrupt the firmware to process the command */
1856         if (interrupt_ecf(local, ccsindex)) {
1857                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1858                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1859         }
1860 }
1861
1862 /*===========================================================================*/
1863 static void ray_update_multi_list(struct net_device *dev, int all)
1864 {
1865         int ccsindex;
1866         struct ccs __iomem *pccs;
1867         ray_dev_t *local = netdev_priv(dev);
1868         struct pcmcia_device *link = local->finder;
1869         void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1870
1871         if (!(pcmcia_dev_present(link))) {
1872                 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1873                 return;
1874         } else
1875                 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1876         if ((ccsindex = get_free_ccs(local)) < 0) {
1877                 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1878                 return;
1879         }
1880         pccs = ccs_base(local) + ccsindex;
1881         writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1882
1883         if (all) {
1884                 writeb(0xff, &pccs->var);
1885                 local->num_multi = 0xff;
1886         } else {
1887                 struct dev_mc_list *dmi;
1888                 int i = 0;
1889
1890                 /* Copy the kernel's list of MC addresses to card */
1891                 netdev_for_each_mc_addr(dmi, dev) {
1892                         memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
1893                         dev_dbg(&link->dev,
1894                               "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1895                               dmi->dmi_addr[0], dmi->dmi_addr[1],
1896                               dmi->dmi_addr[2], dmi->dmi_addr[3],
1897                               dmi->dmi_addr[4], dmi->dmi_addr[5]);
1898                         p += ETH_ALEN;
1899                         i++;
1900                 }
1901                 if (i > 256 / ADDRLEN)
1902                         i = 256 / ADDRLEN;
1903                 writeb((UCHAR) i, &pccs->var);
1904                 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1905                 /* Interrupt the firmware to process the command */
1906                 local->num_multi = i;
1907         }
1908         if (interrupt_ecf(local, ccsindex)) {
1909                 dev_dbg(&link->dev,
1910                       "ray_cs update_multi failed - ECF not ready for intr\n");
1911                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1912         }
1913 } /* end ray_update_multi_list */
1914
1915 /*===========================================================================*/
1916 static void set_multicast_list(struct net_device *dev)
1917 {
1918         ray_dev_t *local = netdev_priv(dev);
1919         UCHAR promisc;
1920
1921         pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1922
1923         if (dev->flags & IFF_PROMISC) {
1924                 if (local->sparm.b5.a_promiscuous_mode == 0) {
1925                         pr_debug("ray_cs set_multicast_list promisc on\n");
1926                         local->sparm.b5.a_promiscuous_mode = 1;
1927                         promisc = 1;
1928                         ray_update_parm(dev, OBJID_promiscuous_mode,
1929                                         &promisc, sizeof(promisc));
1930                 }
1931         } else {
1932                 if (local->sparm.b5.a_promiscuous_mode == 1) {
1933                         pr_debug("ray_cs set_multicast_list promisc off\n");
1934                         local->sparm.b5.a_promiscuous_mode = 0;
1935                         promisc = 0;
1936                         ray_update_parm(dev, OBJID_promiscuous_mode,
1937                                         &promisc, sizeof(promisc));
1938                 }
1939         }
1940
1941         if (dev->flags & IFF_ALLMULTI)
1942                 ray_update_multi_list(dev, 1);
1943         else {
1944                 if (local->num_multi != netdev_mc_count(dev))
1945                         ray_update_multi_list(dev, 0);
1946         }
1947 } /* end set_multicast_list */
1948
1949 /*=============================================================================
1950  * All routines below here are run at interrupt time.
1951 =============================================================================*/
1952 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1953 {
1954         struct net_device *dev = (struct net_device *)dev_id;
1955         struct pcmcia_device *link;
1956         ray_dev_t *local;
1957         struct ccs __iomem *pccs;
1958         struct rcs __iomem *prcs;
1959         UCHAR rcsindex;
1960         UCHAR tmp;
1961         UCHAR cmd;
1962         UCHAR status;
1963
1964         if (dev == NULL)        /* Note that we want interrupts with dev->start == 0 */
1965                 return IRQ_NONE;
1966
1967         pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1968
1969         local = netdev_priv(dev);
1970         link = (struct pcmcia_device *)local->finder;
1971         if (!pcmcia_dev_present(link)) {
1972                 pr_debug(
1973                         "ray_cs interrupt from device not present or suspended.\n");
1974                 return IRQ_NONE;
1975         }
1976         rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1977
1978         if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1979                 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1980                 clear_interrupt(local);
1981                 return IRQ_HANDLED;
1982         }
1983         if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1984                 pccs = ccs_base(local) + rcsindex;
1985                 cmd = readb(&pccs->cmd);
1986                 status = readb(&pccs->buffer_status);
1987                 switch (cmd) {
1988                 case CCS_DOWNLOAD_STARTUP_PARAMS:       /* Happens in firmware someday */
1989                         del_timer(&local->timer);
1990                         if (status == CCS_COMMAND_COMPLETE) {
1991                                 dev_dbg(&link->dev,
1992                                       "ray_cs interrupt download_startup_parameters OK\n");
1993                         } else {
1994                                 dev_dbg(&link->dev,
1995                                       "ray_cs interrupt download_startup_parameters fail\n");
1996                         }
1997                         break;
1998                 case CCS_UPDATE_PARAMS:
1999                         dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
2000                         if (status != CCS_COMMAND_COMPLETE) {
2001                                 tmp =
2002                                     readb(&pccs->var.update_param.
2003                                           failure_cause);
2004                                 dev_dbg(&link->dev,
2005                                       "ray_cs interrupt update params failed - reason %d\n",
2006                                       tmp);
2007                         }
2008                         break;
2009                 case CCS_REPORT_PARAMS:
2010                         dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
2011                         break;
2012                 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
2013                         dev_dbg(&link->dev,
2014                               "ray_cs interrupt CCS Update Multicast List done\n");
2015                         break;
2016                 case CCS_UPDATE_POWER_SAVINGS_MODE:
2017                         dev_dbg(&link->dev,
2018                               "ray_cs interrupt update power save mode done\n");
2019                         break;
2020                 case CCS_START_NETWORK:
2021                 case CCS_JOIN_NETWORK:
2022                         if (status == CCS_COMMAND_COMPLETE) {
2023                                 if (readb
2024                                     (&pccs->var.start_network.net_initiated) ==
2025                                     1) {
2026                                         dev_dbg(&link->dev,
2027                                               "ray_cs interrupt network \"%s\" started\n",
2028                                               local->sparm.b4.a_current_ess_id);
2029                                 } else {
2030                                         dev_dbg(&link->dev,
2031                                               "ray_cs interrupt network \"%s\" joined\n",
2032                                               local->sparm.b4.a_current_ess_id);
2033                                 }
2034                                 memcpy_fromio(&local->bss_id,
2035                                               pccs->var.start_network.bssid,
2036                                               ADDRLEN);
2037
2038                                 if (local->fw_ver == 0x55)
2039                                         local->net_default_tx_rate = 3;
2040                                 else
2041                                         local->net_default_tx_rate =
2042                                             readb(&pccs->var.start_network.
2043                                                   net_default_tx_rate);
2044                                 local->encryption =
2045                                     readb(&pccs->var.start_network.encryption);
2046                                 if (!sniffer && (local->net_type == INFRA)
2047                                     && !(local->sparm.b4.a_acting_as_ap_status)) {
2048                                         authenticate(local);
2049                                 }
2050                                 local->card_status = CARD_ACQ_COMPLETE;
2051                         } else {
2052                                 local->card_status = CARD_ACQ_FAILED;
2053
2054                                 del_timer(&local->timer);
2055                                 local->timer.expires = jiffies + HZ * 5;
2056                                 local->timer.data = (long)local;
2057                                 if (status == CCS_START_NETWORK) {
2058                                         dev_dbg(&link->dev,
2059                                               "ray_cs interrupt network \"%s\" start failed\n",
2060                                               local->sparm.b4.a_current_ess_id);
2061                                         local->timer.function = &start_net;
2062                                 } else {
2063                                         dev_dbg(&link->dev,
2064                                               "ray_cs interrupt network \"%s\" join failed\n",
2065                                               local->sparm.b4.a_current_ess_id);
2066                                         local->timer.function = &join_net;
2067                                 }
2068                                 add_timer(&local->timer);
2069                         }
2070                         break;
2071                 case CCS_START_ASSOCIATION:
2072                         if (status == CCS_COMMAND_COMPLETE) {
2073                                 local->card_status = CARD_ASSOC_COMPLETE;
2074                                 dev_dbg(&link->dev, "ray_cs association successful\n");
2075                         } else {
2076                                 dev_dbg(&link->dev, "ray_cs association failed,\n");
2077                                 local->card_status = CARD_ASSOC_FAILED;
2078                                 join_net((u_long) local);
2079                         }
2080                         break;
2081                 case CCS_TX_REQUEST:
2082                         if (status == CCS_COMMAND_COMPLETE) {
2083                                 dev_dbg(&link->dev,
2084                                       "ray_cs interrupt tx request complete\n");
2085                         } else {
2086                                 dev_dbg(&link->dev,
2087                                       "ray_cs interrupt tx request failed\n");
2088                         }
2089                         if (!sniffer)
2090                                 netif_start_queue(dev);
2091                         netif_wake_queue(dev);
2092                         break;
2093                 case CCS_TEST_MEMORY:
2094                         dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
2095                         break;
2096                 case CCS_SHUTDOWN:
2097                         dev_dbg(&link->dev,
2098                               "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2099                         break;
2100                 case CCS_DUMP_MEMORY:
2101                         dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2102                         break;
2103                 case CCS_START_TIMER:
2104                         dev_dbg(&link->dev,
2105                               "ray_cs interrupt DING - raylink timer expired\n");
2106                         break;
2107                 default:
2108                         dev_dbg(&link->dev,
2109                               "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2110                               rcsindex, cmd);
2111                 }
2112                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2113         } else { /* It's an RCS */
2114
2115                 prcs = rcs_base(local) + rcsindex;
2116
2117                 switch (readb(&prcs->interrupt_id)) {
2118                 case PROCESS_RX_PACKET:
2119                         ray_rx(dev, local, prcs);
2120                         break;
2121                 case REJOIN_NET_COMPLETE:
2122                         dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2123                         local->card_status = CARD_ACQ_COMPLETE;
2124                         /* do we need to clear tx buffers CCS's? */
2125                         if (local->sparm.b4.a_network_type == ADHOC) {
2126                                 if (!sniffer)
2127                                         netif_start_queue(dev);
2128                         } else {
2129                                 memcpy_fromio(&local->bss_id,
2130                                               prcs->var.rejoin_net_complete.
2131                                               bssid, ADDRLEN);
2132                                 dev_dbg(&link->dev,
2133                                       "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2134                                       local->bss_id[0], local->bss_id[1],
2135                                       local->bss_id[2], local->bss_id[3],
2136                                       local->bss_id[4], local->bss_id[5]);
2137                                 if (!sniffer)
2138                                         authenticate(local);
2139                         }
2140                         break;
2141                 case ROAMING_INITIATED:
2142                         dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2143                         netif_stop_queue(dev);
2144                         local->card_status = CARD_DOING_ACQ;
2145                         break;
2146                 case JAPAN_CALL_SIGN_RXD:
2147                         dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2148                         break;
2149                 default:
2150                         dev_dbg(&link->dev,
2151                               "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2152                               rcsindex,
2153                               (unsigned int)readb(&prcs->interrupt_id));
2154                         break;
2155                 }
2156                 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2157         }
2158         clear_interrupt(local);
2159         return IRQ_HANDLED;
2160 } /* ray_interrupt */
2161
2162 /*===========================================================================*/
2163 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2164                    struct rcs __iomem *prcs)
2165 {
2166         int rx_len;
2167         unsigned int pkt_addr;
2168         void __iomem *pmsg;
2169         pr_debug("ray_rx process rx packet\n");
2170
2171         /* Calculate address of packet within Rx buffer */
2172         pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2173                     + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2174         /* Length of first packet fragment */
2175         rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2176             + readb(&prcs->var.rx_packet.rx_data_length[1]);
2177
2178         local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2179         pmsg = local->rmem + pkt_addr;
2180         switch (readb(pmsg)) {
2181         case DATA_TYPE:
2182                 pr_debug("ray_rx data type\n");
2183                 rx_data(dev, prcs, pkt_addr, rx_len);
2184                 break;
2185         case AUTHENTIC_TYPE:
2186                 pr_debug("ray_rx authentic type\n");
2187                 if (sniffer)
2188                         rx_data(dev, prcs, pkt_addr, rx_len);
2189                 else
2190                         rx_authenticate(local, prcs, pkt_addr, rx_len);
2191                 break;
2192         case DEAUTHENTIC_TYPE:
2193                 pr_debug("ray_rx deauth type\n");
2194                 if (sniffer)
2195                         rx_data(dev, prcs, pkt_addr, rx_len);
2196                 else
2197                         rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2198                 break;
2199         case NULL_MSG_TYPE:
2200                 pr_debug("ray_cs rx NULL msg\n");
2201                 break;
2202         case BEACON_TYPE:
2203                 pr_debug("ray_rx beacon type\n");
2204                 if (sniffer)
2205                         rx_data(dev, prcs, pkt_addr, rx_len);
2206
2207                 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2208                                   rx_len < sizeof(struct beacon_rx) ?
2209                                   rx_len : sizeof(struct beacon_rx));
2210
2211                 local->beacon_rxed = 1;
2212                 /* Get the statistics so the card counters never overflow */
2213                 ray_get_stats(dev);
2214                 break;
2215         default:
2216                 pr_debug("ray_cs unknown pkt type %2x\n",
2217                       (unsigned int)readb(pmsg));
2218                 break;
2219         }
2220
2221 } /* end ray_rx */
2222
2223 /*===========================================================================*/
2224 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2225                     unsigned int pkt_addr, int rx_len)
2226 {
2227         struct sk_buff *skb = NULL;
2228         struct rcs __iomem *prcslink = prcs;
2229         ray_dev_t *local = netdev_priv(dev);
2230         UCHAR *rx_ptr;
2231         int total_len;
2232         int tmp;
2233 #ifdef WIRELESS_SPY
2234         int siglev = local->last_rsl;
2235         u_char linksrcaddr[ETH_ALEN];   /* Other end of the wireless link */
2236 #endif
2237
2238         if (!sniffer) {
2239                 if (translate) {
2240 /* TBD length needs fixing for translated header */
2241                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2242                             rx_len >
2243                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2244                              FCS_LEN)) {
2245                                 pr_debug(
2246                                       "ray_cs invalid packet length %d received \n",
2247                                       rx_len);
2248                                 return;
2249                         }
2250                 } else { /* encapsulated ethernet */
2251
2252                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2253                             rx_len >
2254                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2255                              FCS_LEN)) {
2256                                 pr_debug(
2257                                       "ray_cs invalid packet length %d received \n",
2258                                       rx_len);
2259                                 return;
2260                         }
2261                 }
2262         }
2263         pr_debug("ray_cs rx_data packet\n");
2264         /* If fragmented packet, verify sizes of fragments add up */
2265         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2266                 pr_debug("ray_cs rx'ed fragment\n");
2267                 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2268                     + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2269                 total_len = tmp;
2270                 prcslink = prcs;
2271                 do {
2272                         tmp -=
2273                             (readb(&prcslink->var.rx_packet.rx_data_length[0])
2274                              << 8)
2275                             + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2276                         if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2277                             == 0xFF || tmp < 0)
2278                                 break;
2279                         prcslink = rcs_base(local)
2280                             + readb(&prcslink->link_field);
2281                 } while (1);
2282
2283                 if (tmp < 0) {
2284                         pr_debug(
2285                               "ray_cs rx_data fragment lengths don't add up\n");
2286                         local->stats.rx_dropped++;
2287                         release_frag_chain(local, prcs);
2288                         return;
2289                 }
2290         } else { /* Single unfragmented packet */
2291                 total_len = rx_len;
2292         }
2293
2294         skb = dev_alloc_skb(total_len + 5);
2295         if (skb == NULL) {
2296                 pr_debug("ray_cs rx_data could not allocate skb\n");
2297                 local->stats.rx_dropped++;
2298                 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2299                         release_frag_chain(local, prcs);
2300                 return;
2301         }
2302         skb_reserve(skb, 2);    /* Align IP on 16 byte (TBD check this) */
2303
2304         pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2305               rx_len);
2306
2307 /************************/
2308         /* Reserve enough room for the whole damn packet. */
2309         rx_ptr = skb_put(skb, total_len);
2310         /* Copy the whole packet to sk_buff */
2311         rx_ptr +=
2312             copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2313         /* Get source address */
2314 #ifdef WIRELESS_SPY
2315         skb_copy_from_linear_data_offset(skb,
2316                                          offsetof(struct mac_header, addr_2),
2317                                          linksrcaddr, ETH_ALEN);
2318 #endif
2319         /* Now, deal with encapsulation/translation/sniffer */
2320         if (!sniffer) {
2321                 if (!translate) {
2322                         /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2323 /* TBD reserve            skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2324                         skb_pull(skb, RX_MAC_HEADER_LENGTH);
2325                 } else {
2326                         /* Do translation */
2327                         untranslate(local, skb, total_len);
2328                 }
2329         } else { /* sniffer mode, so just pass whole packet */
2330         };
2331
2332 /************************/
2333         /* Now pick up the rest of the fragments if any */
2334         tmp = 17;
2335         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2336                 prcslink = prcs;
2337                 pr_debug("ray_cs rx_data in fragment loop\n");
2338                 do {
2339                         prcslink = rcs_base(local)
2340                             +
2341                             readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2342                         rx_len =
2343                             ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2344                               << 8)
2345                              +
2346                              readb(&prcslink->var.rx_packet.rx_data_length[1]))
2347                             & RX_BUFF_END;
2348                         pkt_addr =
2349                             ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2350                               8)
2351                              + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2352                             & RX_BUFF_END;
2353
2354                         rx_ptr +=
2355                             copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2356
2357                 } while (tmp-- &&
2358                          readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2359                          0xFF);
2360                 release_frag_chain(local, prcs);
2361         }
2362
2363         skb->protocol = eth_type_trans(skb, dev);
2364         netif_rx(skb);
2365         local->stats.rx_packets++;
2366         local->stats.rx_bytes += total_len;
2367
2368         /* Gather signal strength per address */
2369 #ifdef WIRELESS_SPY
2370         /* For the Access Point or the node having started the ad-hoc net
2371          * note : ad-hoc work only in some specific configurations, but we
2372          * kludge in ray_get_wireless_stats... */
2373         if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2374                 /* Update statistics */
2375                 /*local->wstats.qual.qual = none ? */
2376                 local->wstats.qual.level = siglev;
2377                 /*local->wstats.qual.noise = none ? */
2378                 local->wstats.qual.updated = 0x2;
2379         }
2380         /* Now, update the spy stuff */
2381         {
2382                 struct iw_quality wstats;
2383                 wstats.level = siglev;
2384                 /* wstats.noise = none ? */
2385                 /* wstats.qual = none ? */
2386                 wstats.updated = 0x2;
2387                 /* Update spy records */
2388                 wireless_spy_update(dev, linksrcaddr, &wstats);
2389         }
2390 #endif /* WIRELESS_SPY */
2391 } /* end rx_data */
2392
2393 /*===========================================================================*/
2394 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2395 {
2396         snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2397         struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2398         __be16 type = *(__be16 *) psnap->ethertype;
2399         int delta;
2400         struct ethhdr *peth;
2401         UCHAR srcaddr[ADDRLEN];
2402         UCHAR destaddr[ADDRLEN];
2403         static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2404         static UCHAR org_1042[3] = { 0, 0, 0 };
2405
2406         memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2407         memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2408
2409 #if 0
2410         if {
2411                 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2412                                DUMP_PREFIX_NONE, 16, 1,
2413                                skb->data, 64, true);
2414                 printk(KERN_DEBUG
2415                        "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2416                        ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2417                        psnap->org[0], psnap->org[1], psnap->org[2]);
2418                 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2419         }
2420 #endif
2421
2422         if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2423                 /* not a snap type so leave it alone */
2424                 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2425                       psnap->dsap, psnap->ssap, psnap->ctrl);
2426
2427                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2428                 peth = (struct ethhdr *)(skb->data + delta);
2429                 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2430         } else { /* Its a SNAP */
2431                 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2432                 /* EtherII and nuke the LLC */
2433                         pr_debug("ray_cs untranslate Bridge encap\n");
2434                         delta = RX_MAC_HEADER_LENGTH
2435                             + sizeof(struct snaphdr_t) - ETH_HLEN;
2436                         peth = (struct ethhdr *)(skb->data + delta);
2437                         peth->h_proto = type;
2438                 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2439                         switch (ntohs(type)) {
2440                         case ETH_P_IPX:
2441                         case ETH_P_AARP:
2442                                 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2443                                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2444                                 peth = (struct ethhdr *)(skb->data + delta);
2445                                 peth->h_proto =
2446                                     htons(len - RX_MAC_HEADER_LENGTH);
2447                                 break;
2448                         default:
2449                                 pr_debug("ray_cs untranslate RFC default\n");
2450                                 delta = RX_MAC_HEADER_LENGTH +
2451                                     sizeof(struct snaphdr_t) - ETH_HLEN;
2452                                 peth = (struct ethhdr *)(skb->data + delta);
2453                                 peth->h_proto = type;
2454                                 break;
2455                         }
2456                 } else {
2457                         printk("ray_cs untranslate very confused by packet\n");
2458                         delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2459                         peth = (struct ethhdr *)(skb->data + delta);
2460                         peth->h_proto = type;
2461                 }
2462         }
2463 /* TBD reserve  skb_reserve(skb, delta); */
2464         skb_pull(skb, delta);
2465         pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2466               skb->data);
2467         memcpy(peth->h_dest, destaddr, ADDRLEN);
2468         memcpy(peth->h_source, srcaddr, ADDRLEN);
2469 #if 0
2470         {
2471                 int i;
2472                 printk(KERN_DEBUG "skb->data after untranslate:");
2473                 for (i = 0; i < 64; i++)
2474                         printk("%02x ", skb->data[i]);
2475                 printk("\n");
2476         }
2477 #endif
2478 } /* end untranslate */
2479
2480 /*===========================================================================*/
2481 /* Copy data from circular receive buffer to PC memory.
2482  * dest     = destination address in PC memory
2483  * pkt_addr = source address in receive buffer
2484  * len      = length of packet to copy
2485  */
2486 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2487                              int length)
2488 {
2489         int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2490         if (wrap_bytes <= 0) {
2491                 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2492         } else { /* Packet wrapped in circular buffer */
2493
2494                 memcpy_fromio(dest, local->rmem + pkt_addr,
2495                               length - wrap_bytes);
2496                 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2497                               wrap_bytes);
2498         }
2499         return length;
2500 }
2501
2502 /*===========================================================================*/
2503 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2504 {
2505         struct rcs __iomem *prcslink = prcs;
2506         int tmp = 17;
2507         unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2508
2509         while (tmp--) {
2510                 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2511                 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2512                         pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2513                               rcsindex);
2514                         break;
2515                 }
2516                 prcslink = rcs_base(local) + rcsindex;
2517                 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2518         }
2519         writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2520 }
2521
2522 /*===========================================================================*/
2523 static void authenticate(ray_dev_t *local)
2524 {
2525         struct pcmcia_device *link = local->finder;
2526         dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2527         if (!(pcmcia_dev_present(link))) {
2528                 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2529                 return;
2530         }
2531
2532         del_timer(&local->timer);
2533         if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2534                 local->timer.function = &join_net;
2535         } else {
2536                 local->timer.function = &authenticate_timeout;
2537         }
2538         local->timer.expires = jiffies + HZ * 2;
2539         local->timer.data = (long)local;
2540         add_timer(&local->timer);
2541         local->authentication_state = AWAITING_RESPONSE;
2542 } /* end authenticate */
2543
2544 /*===========================================================================*/
2545 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2546                             unsigned int pkt_addr, int rx_len)
2547 {
2548         UCHAR buff[256];
2549         struct rx_msg *msg = (struct rx_msg *)buff;
2550
2551         del_timer(&local->timer);
2552
2553         copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2554         /* if we are trying to get authenticated */
2555         if (local->sparm.b4.a_network_type == ADHOC) {
2556                 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2557                       msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2558                       msg->var[4], msg->var[5]);
2559                 if (msg->var[2] == 1) {
2560                         pr_debug("ray_cs Sending authentication response.\n");
2561                         if (!build_auth_frame
2562                             (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2563                                 local->authentication_state = NEED_TO_AUTH;
2564                                 memcpy(local->auth_id, msg->mac.addr_2,
2565                                        ADDRLEN);
2566                         }
2567                 }
2568         } else { /* Infrastructure network */
2569
2570                 if (local->authentication_state == AWAITING_RESPONSE) {
2571                         /* Verify authentication sequence #2 and success */
2572                         if (msg->var[2] == 2) {
2573                                 if ((msg->var[3] | msg->var[4]) == 0) {
2574                                         pr_debug("Authentication successful\n");
2575                                         local->card_status = CARD_AUTH_COMPLETE;
2576                                         associate(local);
2577                                         local->authentication_state =
2578                                             AUTHENTICATED;
2579                                 } else {
2580                                         pr_debug("Authentication refused\n");
2581                                         local->card_status = CARD_AUTH_REFUSED;
2582                                         join_net((u_long) local);
2583                                         local->authentication_state =
2584                                             UNAUTHENTICATED;
2585                                 }
2586                         }
2587                 }
2588         }
2589
2590 } /* end rx_authenticate */
2591
2592 /*===========================================================================*/
2593 static void associate(ray_dev_t *local)
2594 {
2595         struct ccs __iomem *pccs;
2596         struct pcmcia_device *link = local->finder;
2597         struct net_device *dev = link->priv;
2598         int ccsindex;
2599         if (!(pcmcia_dev_present(link))) {
2600                 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2601                 return;
2602         }
2603         /* If no tx buffers available, return */
2604         if ((ccsindex = get_free_ccs(local)) < 0) {
2605 /* TBD should never be here but... what if we are? */
2606                 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2607                 return;
2608         }
2609         dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2610         pccs = ccs_base(local) + ccsindex;
2611         /* fill in the CCS */
2612         writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2613         /* Interrupt the firmware to process the command */
2614         if (interrupt_ecf(local, ccsindex)) {
2615                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2616                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2617
2618                 del_timer(&local->timer);
2619                 local->timer.expires = jiffies + HZ * 2;
2620                 local->timer.data = (long)local;
2621                 local->timer.function = &join_net;
2622                 add_timer(&local->timer);
2623                 local->card_status = CARD_ASSOC_FAILED;
2624                 return;
2625         }
2626         if (!sniffer)
2627                 netif_start_queue(dev);
2628
2629 } /* end associate */
2630
2631 /*===========================================================================*/
2632 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2633                               unsigned int pkt_addr, int rx_len)
2634 {
2635 /*  UCHAR buff[256];
2636     struct rx_msg *msg = (struct rx_msg *)buff;
2637 */
2638         pr_debug("Deauthentication frame received\n");
2639         local->authentication_state = UNAUTHENTICATED;
2640         /* Need to reauthenticate or rejoin depending on reason code */
2641 /*  copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2642  */
2643 }
2644
2645 /*===========================================================================*/
2646 static void clear_interrupt(ray_dev_t *local)
2647 {
2648         writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2649 }
2650
2651 /*===========================================================================*/
2652 #ifdef CONFIG_PROC_FS
2653 #define MAXDATA (PAGE_SIZE - 80)
2654
2655 static char *card_status[] = {
2656         "Card inserted - uninitialized",        /* 0 */
2657         "Card not downloaded",                  /* 1 */
2658         "Waiting for download parameters",      /* 2 */
2659         "Card doing acquisition",               /* 3 */
2660         "Acquisition complete",                 /* 4 */
2661         "Authentication complete",              /* 5 */
2662         "Association complete",                 /* 6 */
2663         "???", "???", "???", "???",             /* 7 8 9 10 undefined */
2664         "Card init error",                      /* 11 */
2665         "Download parameters error",            /* 12 */
2666         "???",                                  /* 13 */
2667         "Acquisition failed",                   /* 14 */
2668         "Authentication refused",               /* 15 */
2669         "Association failed"                    /* 16 */
2670 };
2671
2672 static char *nettype[] = { "Adhoc", "Infra " };
2673 static char *framing[] = { "Encapsulation", "Translation" }
2674
2675 ;
2676 /*===========================================================================*/
2677 static int ray_cs_proc_show(struct seq_file *m, void *v)
2678 {
2679 /* Print current values which are not available via other means
2680  * eg ifconfig
2681  */
2682         int i;
2683         struct pcmcia_device *link;
2684         struct net_device *dev;
2685         ray_dev_t *local;
2686         UCHAR *p;
2687         struct freq_hop_element *pfh;
2688         UCHAR c[33];
2689
2690         link = this_device;
2691         if (!link)
2692                 return 0;
2693         dev = (struct net_device *)link->priv;
2694         if (!dev)
2695                 return 0;
2696         local = netdev_priv(dev);
2697         if (!local)
2698                 return 0;
2699
2700         seq_puts(m, "Raylink Wireless LAN driver status\n");
2701         seq_printf(m, "%s\n", rcsid);
2702         /* build 4 does not report version, and field is 0x55 after memtest */
2703         seq_puts(m, "Firmware version     = ");
2704         if (local->fw_ver == 0x55)
2705                 seq_puts(m, "4 - Use dump_cis for more details\n");
2706         else
2707                 seq_printf(m, "%2d.%02d.%02d\n",
2708                            local->fw_ver, local->fw_bld, local->fw_var);
2709
2710         for (i = 0; i < 32; i++)
2711                 c[i] = local->sparm.b5.a_current_ess_id[i];
2712         c[32] = 0;
2713         seq_printf(m, "%s network ESSID = \"%s\"\n",
2714                    nettype[local->sparm.b5.a_network_type], c);
2715
2716         p = local->bss_id;
2717         seq_printf(m, "BSSID                = %pM\n", p);
2718
2719         seq_printf(m, "Country code         = %d\n",
2720                    local->sparm.b5.a_curr_country_code);
2721
2722         i = local->card_status;
2723         if (i < 0)
2724                 i = 10;
2725         if (i > 16)
2726                 i = 10;
2727         seq_printf(m, "Card status          = %s\n", card_status[i]);
2728
2729         seq_printf(m, "Framing mode         = %s\n", framing[translate]);
2730
2731         seq_printf(m, "Last pkt signal lvl  = %d\n", local->last_rsl);
2732
2733         if (local->beacon_rxed) {
2734                 /* Pull some fields out of last beacon received */
2735                 seq_printf(m, "Beacon Interval      = %d Kus\n",
2736                            local->last_bcn.beacon_intvl[0]
2737                            + 256 * local->last_bcn.beacon_intvl[1]);
2738
2739                 p = local->last_bcn.elements;
2740                 if (p[0] == C_ESSID_ELEMENT_ID)
2741                         p += p[1] + 2;
2742                 else {
2743                         seq_printf(m,
2744                                    "Parse beacon failed at essid element id = %d\n",
2745                                    p[0]);
2746                         return 0;
2747                 }
2748
2749                 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2750                         seq_puts(m, "Supported rate codes = ");
2751                         for (i = 2; i < p[1] + 2; i++)
2752                                 seq_printf(m, "0x%02x ", p[i]);
2753                         seq_putc(m, '\n');
2754                         p += p[1] + 2;
2755                 } else {
2756                         seq_puts(m, "Parse beacon failed at rates element\n");
2757                         return 0;
2758                 }
2759
2760                 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2761                         pfh = (struct freq_hop_element *)p;
2762                         seq_printf(m, "Hop dwell            = %d Kus\n",
2763                                    pfh->dwell_time[0] +
2764                                    256 * pfh->dwell_time[1]);
2765                         seq_printf(m, "Hop set              = %d \n",
2766                                    pfh->hop_set);
2767                         seq_printf(m, "Hop pattern          = %d \n",
2768                                    pfh->hop_pattern);
2769                         seq_printf(m, "Hop index            = %d \n",
2770                                    pfh->hop_index);
2771                         p += p[1] + 2;
2772                 } else {
2773                         seq_puts(m,
2774                                  "Parse beacon failed at FH param element\n");
2775                         return 0;
2776                 }
2777         } else {
2778                 seq_puts(m, "No beacons received\n");
2779         }
2780         return 0;
2781 }
2782
2783 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2784 {
2785         return single_open(file, ray_cs_proc_show, NULL);
2786 }
2787
2788 static const struct file_operations ray_cs_proc_fops = {
2789         .owner = THIS_MODULE,
2790         .open = ray_cs_proc_open,
2791         .read = seq_read,
2792         .llseek = seq_lseek,
2793         .release = single_release,
2794 };
2795 #endif
2796 /*===========================================================================*/
2797 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2798 {
2799         int addr;
2800         struct ccs __iomem *pccs;
2801         struct tx_msg __iomem *ptx;
2802         int ccsindex;
2803
2804         /* If no tx buffers available, return */
2805         if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2806                 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2807                 return -1;
2808         }
2809
2810         pccs = ccs_base(local) + ccsindex;
2811
2812         /* Address in card space */
2813         addr = TX_BUF_BASE + (ccsindex << 11);
2814         /* fill in the CCS */
2815         writeb(CCS_TX_REQUEST, &pccs->cmd);
2816         writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2817         writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2818         writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2819         writeb(TX_AUTHENTICATE_LENGTH_LSB,
2820                pccs->var.tx_request.tx_data_length + 1);
2821         writeb(0, &pccs->var.tx_request.pow_sav_mode);
2822
2823         ptx = local->sram + addr;
2824         /* fill in the mac header */
2825         writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2826         writeb(0, &ptx->mac.frame_ctl_2);
2827
2828         memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2829         memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2830         memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2831
2832         /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2833         memset_io(ptx->var, 0, 6);
2834         writeb(auth_type & 0xff, ptx->var + 2);
2835
2836         /* Interrupt the firmware to process the command */
2837         if (interrupt_ecf(local, ccsindex)) {
2838                 pr_debug(
2839                       "ray_cs send authentication request failed - ECF not ready for intr\n");
2840                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2841                 return -1;
2842         }
2843         return 0;
2844 } /* End build_auth_frame */
2845
2846 /*===========================================================================*/
2847 #ifdef CONFIG_PROC_FS
2848 static ssize_t ray_cs_essid_proc_write(struct file *file,
2849                 const char __user *buffer, size_t count, loff_t *pos)
2850 {
2851         static char proc_essid[33];
2852         unsigned int len = count;
2853
2854         if (len > 32)
2855                 len = 32;
2856         memset(proc_essid, 0, 33);
2857         if (copy_from_user(proc_essid, buffer, len))
2858                 return -EFAULT;
2859         essid = proc_essid;
2860         return count;
2861 }
2862
2863 static const struct file_operations ray_cs_essid_proc_fops = {
2864         .owner          = THIS_MODULE,
2865         .write          = ray_cs_essid_proc_write,
2866 };
2867
2868 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2869                               size_t count, loff_t *pos)
2870 {
2871         static char proc_number[10];
2872         char *p;
2873         int nr, len;
2874
2875         if (!count)
2876                 return 0;
2877
2878         if (count > 9)
2879                 return -EINVAL;
2880         if (copy_from_user(proc_number, buffer, count))
2881                 return -EFAULT;
2882         p = proc_number;
2883         nr = 0;
2884         len = count;
2885         do {
2886                 unsigned int c = *p - '0';
2887                 if (c > 9)
2888                         return -EINVAL;
2889                 nr = nr * 10 + c;
2890                 p++;
2891         } while (--len);
2892         *(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
2893         return count;
2894 }
2895
2896 static const struct file_operations int_proc_fops = {
2897         .owner          = THIS_MODULE,
2898         .write          = int_proc_write,
2899 };
2900 #endif
2901
2902 static struct pcmcia_device_id ray_ids[] = {
2903         PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2904         PCMCIA_DEVICE_NULL,
2905 };
2906
2907 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2908
2909 static struct pcmcia_driver ray_driver = {
2910         .owner = THIS_MODULE,
2911         .drv = {
2912                 .name = "ray_cs",
2913                 },
2914         .probe = ray_probe,
2915         .remove = ray_detach,
2916         .id_table = ray_ids,
2917         .suspend = ray_suspend,
2918         .resume = ray_resume,
2919 };
2920
2921 static int __init init_ray_cs(void)
2922 {
2923         int rc;
2924
2925         pr_debug("%s\n", rcsid);
2926         rc = pcmcia_register_driver(&ray_driver);
2927         pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2928               rc);
2929
2930 #ifdef CONFIG_PROC_FS
2931         proc_mkdir("driver/ray_cs", NULL);
2932
2933         proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2934         proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2935         proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2936         proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2937 #endif
2938         if (translate != 0)
2939                 translate = 1;
2940         return 0;
2941 } /* init_ray_cs */
2942
2943 /*===========================================================================*/
2944
2945 static void __exit exit_ray_cs(void)
2946 {
2947         pr_debug("ray_cs: cleanup_module\n");
2948
2949 #ifdef CONFIG_PROC_FS
2950         remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2951         remove_proc_entry("driver/ray_cs/essid", NULL);
2952         remove_proc_entry("driver/ray_cs/net_type", NULL);
2953         remove_proc_entry("driver/ray_cs/translate", NULL);
2954         remove_proc_entry("driver/ray_cs", NULL);
2955 #endif
2956
2957         pcmcia_unregister_driver(&ray_driver);
2958 } /* exit_ray_cs */
2959
2960 module_init(init_ray_cs);
2961 module_exit(exit_ray_cs);
2962
2963 /*===========================================================================*/