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   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         /* Interrupt setup. For PCMCIA, driver takes what's given */
 325         p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
 326         p_dev->irq.Handler = &ray_interrupt;
 327
 328         /* General socket configuration */
 329         p_dev->conf.Attributes = CONF_ENABLE_IRQ;
 330         p_dev->conf.IntType = INT_MEMORY_AND_IO;
 331         p_dev->conf.ConfigIndex = 1;
 332
 333         p_dev->priv = dev;
 334
 335         local->finder = p_dev;
 336         local->card_status = CARD_INSERTED;
 337         local->authentication_state = UNAUTHENTICATED;
 338         local->num_multi = 0;
 339         dev_dbg(&p_dev->dev, "ray_attach p_dev = %p,  dev = %p,  local = %p, intr = %p\n",
 340               p_dev, dev, local, &ray_interrupt);
 341
 342         /* Raylink entries in the device structure */
 343         dev->netdev_ops = &ray_netdev_ops;
 344         SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
 345         dev->wireless_handlers = &ray_handler_def;
 346 #ifdef WIRELESS_SPY
 347         local->wireless_data.spy_data = &local->spy_data;
 348         dev->wireless_data = &local->wireless_data;
 349 #endif /* WIRELESS_SPY */
 350
 351
 352         dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
 353         netif_stop_queue(dev);
 354
 355         init_timer(&local->timer);
 356
 357         this_device = p_dev;
 358         return ray_config(p_dev);
 359
 360 fail_alloc_dev:
 361         return -ENOMEM;
 362 } /* ray_attach */
 363
 364 /*=============================================================================
 365     This deletes a driver "instance".  The device is de-registered
 366     with Card Services.  If it has been released, all local data
 367     structures are freed.  Otherwise, the structures will be freed
 368     when the device is released.
 369 =============================================================================*/
 370 static void ray_detach(struct pcmcia_device *link)
 371 {
 372         struct net_device *dev;
 373         ray_dev_t *local;
 374
 375         dev_dbg(&link->dev, "ray_detach\n");
 376
 377         this_device = NULL;
 378         dev = link->priv;
 379
 380         ray_release(link);
 381
 382         local = netdev_priv(dev);
 383         del_timer(&local->timer);
 384
 385         if (link->priv) {
 386                 if (link->dev_node)
 387                         unregister_netdev(dev);
 388                 free_netdev(dev);
 389         }
 390         dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
 391 } /* ray_detach */
 392
 393 /*=============================================================================
 394     ray_config() is run after a CARD_INSERTION event
 395     is received, to configure the PCMCIA socket, and to make the
 396     ethernet device available to the system.
 397 =============================================================================*/
 398 #define MAX_TUPLE_SIZE 128
 399 static int ray_config(struct pcmcia_device *link)
 400 {
 401         int ret = 0;
 402         int i;
 403         win_req_t req;
 404         memreq_t mem;
 405         struct net_device *dev = (struct net_device *)link->priv;
 406         ray_dev_t *local = netdev_priv(dev);
 407
 408         dev_dbg(&link->dev, "ray_config\n");
 409
 410         /* Determine card type and firmware version */
 411         printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
 412                link->prod_id[0] ? link->prod_id[0] : " ",
 413                link->prod_id[1] ? link->prod_id[1] : " ",
 414                link->prod_id[2] ? link->prod_id[2] : " ",
 415                link->prod_id[3] ? link->prod_id[3] : " ");
 416
 417         /* Now allocate an interrupt line.  Note that this does not
 418            actually assign a handler to the interrupt.
 419          */
 420         ret = pcmcia_request_irq(link, &link->irq);
 421         if (ret)
 422                 goto failed;
 423         dev->irq = link->irq.AssignedIRQ;
 424
 425         /* This actually configures the PCMCIA socket -- setting up
 426            the I/O windows and the interrupt mapping.
 427          */
 428         ret = pcmcia_request_configuration(link, &link->conf);
 429         if (ret)
 430                 goto failed;
 431
 432 /*** Set up 32k window for shared memory (transmit and control) ************/
 433         req.Attributes =
 434             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
 435         req.Base = 0;
 436         req.Size = 0x8000;
 437         req.AccessSpeed = ray_mem_speed;
 438         ret = pcmcia_request_window(link, &req, &link->win);
 439         if (ret)
 440                 goto failed;
 441         mem.CardOffset = 0x0000;
 442         mem.Page = 0;
 443         ret = pcmcia_map_mem_page(link, link->win, &mem);
 444         if (ret)
 445                 goto failed;
 446         local->sram = ioremap(req.Base, req.Size);
 447
 448 /*** Set up 16k window for shared memory (receive buffer) ***************/
 449         req.Attributes =
 450             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
 451         req.Base = 0;
 452         req.Size = 0x4000;
 453         req.AccessSpeed = ray_mem_speed;
 454         ret = pcmcia_request_window(link, &req, &local->rmem_handle);
 455         if (ret)
 456                 goto failed;
 457         mem.CardOffset = 0x8000;
 458         mem.Page = 0;
 459         ret = pcmcia_map_mem_page(link, local->rmem_handle, &mem);
 460         if (ret)
 461                 goto failed;
 462         local->rmem = ioremap(req.Base, req.Size);
 463
 464 /*** Set up window for attribute memory ***********************************/
 465         req.Attributes =
 466             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
 467         req.Base = 0;
 468         req.Size = 0x1000;
 469         req.AccessSpeed = ray_mem_speed;
 470         ret = pcmcia_request_window(link, &req, &local->amem_handle);
 471         if (ret)
 472                 goto failed;
 473         mem.CardOffset = 0x0000;
 474         mem.Page = 0;
 475         ret = pcmcia_map_mem_page(link, local->amem_handle, &mem);
 476         if (ret)
 477                 goto failed;
 478         local->amem = ioremap(req.Base, req.Size);
 479
 480         dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
 481         dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
 482         dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
 483         if (ray_init(dev) < 0) {
 484                 ray_release(link);
 485                 return -ENODEV;
 486         }
 487
 488         SET_NETDEV_DEV(dev, &link->dev);
 489         i = register_netdev(dev);
 490         if (i != 0) {
 491                 printk("ray_config register_netdev() failed\n");
 492                 ray_release(link);
 493                 return i;
 494         }
 495
 496         strcpy(local->node.dev_name, dev->name);
 497         link->dev_node = &local->node;
 498
 499         printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
 500                dev->name, dev->irq, dev->dev_addr);
 501
 502         return 0;
 503
 504 failed:
 505         ray_release(link);
 506         return -ENODEV;
 507 } /* ray_config */
 508
 509 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
 510 {
 511         return dev->sram + CCS_BASE;
 512 }
 513
 514 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
 515 {
 516         /*
 517          * This looks nonsensical, since there is a separate
 518          * RCS_BASE. But the difference between a "struct rcs"
 519          * and a "struct ccs" ends up being in the _index_ off
 520          * the base, so the base pointer is the same for both
 521          * ccs/rcs.
 522          */
 523         return dev->sram + CCS_BASE;
 524 }
 525
 526 /*===========================================================================*/
 527 static int ray_init(struct net_device *dev)
 528 {
 529         int i;
 530         UCHAR *p;
 531         struct ccs __iomem *pccs;
 532         ray_dev_t *local = netdev_priv(dev);
 533         struct pcmcia_device *link = local->finder;
 534         dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
 535         if (!(pcmcia_dev_present(link))) {
 536                 dev_dbg(&link->dev, "ray_init - device not present\n");
 537                 return -1;
 538         }
 539
 540         local->net_type = net_type;
 541         local->sta_type = TYPE_STA;
 542
 543         /* Copy the startup results to local memory */
 544         memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
 545                       sizeof(struct startup_res_6));
 546
 547         /* Check Power up test status and get mac address from card */
 548         if (local->startup_res.startup_word != 0x80) {
 549                 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
 550                        local->startup_res.startup_word);
 551                 local->card_status = CARD_INIT_ERROR;
 552                 return -1;
 553         }
 554
 555         local->fw_ver = local->startup_res.firmware_version[0];
 556         local->fw_bld = local->startup_res.firmware_version[1];
 557         local->fw_var = local->startup_res.firmware_version[2];
 558         dev_dbg(&link->dev, "ray_init firmware version %d.%d \n", local->fw_ver,
 559               local->fw_bld);
 560
 561         local->tib_length = 0x20;
 562         if ((local->fw_ver == 5) && (local->fw_bld >= 30))
 563                 local->tib_length = local->startup_res.tib_length;
 564         dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
 565         /* Initialize CCS's to buffer free state */
 566         pccs = ccs_base(local);
 567         for (i = 0; i < NUMBER_OF_CCS; i++) {
 568                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 569         }
 570         init_startup_params(local);
 571
 572         /* copy mac address to startup parameters */
 573         if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
 574                 p = local->sparm.b4.a_mac_addr;
 575         } else {
 576                 memcpy(&local->sparm.b4.a_mac_addr,
 577                        &local->startup_res.station_addr, ADDRLEN);
 578                 p = local->sparm.b4.a_mac_addr;
 579         }
 580
 581         clear_interrupt(local); /* Clear any interrupt from the card */
 582         local->card_status = CARD_AWAITING_PARAM;
 583         dev_dbg(&link->dev, "ray_init ending\n");
 584         return 0;
 585 } /* ray_init */
 586
 587 /*===========================================================================*/
 588 /* Download startup parameters to the card and command it to read them       */
 589 static int dl_startup_params(struct net_device *dev)
 590 {
 591         int ccsindex;
 592         ray_dev_t *local = netdev_priv(dev);
 593         struct ccs __iomem *pccs;
 594         struct pcmcia_device *link = local->finder;
 595
 596         dev_dbg(&link->dev, "dl_startup_params entered\n");
 597         if (!(pcmcia_dev_present(link))) {
 598                 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
 599                 return -1;
 600         }
 601
 602         /* Copy parameters to host to ECF area */
 603         if (local->fw_ver == 0x55)
 604                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
 605                             sizeof(struct b4_startup_params));
 606         else
 607                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
 608                             sizeof(struct b5_startup_params));
 609
 610         /* Fill in the CCS fields for the ECF */
 611         if ((ccsindex = get_free_ccs(local)) < 0)
 612                 return -1;
 613         local->dl_param_ccs = ccsindex;
 614         pccs = ccs_base(local) + ccsindex;
 615         writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
 616         dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
 617               local->dl_param_ccs);
 618         /* Interrupt the firmware to process the command */
 619         if (interrupt_ecf(local, ccsindex)) {
 620                 printk(KERN_INFO "ray dl_startup_params failed - "
 621                        "ECF not ready for intr\n");
 622                 local->card_status = CARD_DL_PARAM_ERROR;
 623                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 624                 return -2;
 625         }
 626         local->card_status = CARD_DL_PARAM;
 627         /* Start kernel timer to wait for dl startup to complete. */
 628         local->timer.expires = jiffies + HZ / 2;
 629         local->timer.data = (long)local;
 630         local->timer.function = &verify_dl_startup;
 631         add_timer(&local->timer);
 632         dev_dbg(&link->dev,
 633               "ray_cs dl_startup_params started timer for verify_dl_startup\n");
 634         return 0;
 635 } /* dl_startup_params */
 636
 637 /*===========================================================================*/
 638 static void init_startup_params(ray_dev_t *local)
 639 {
 640         int i;
 641
 642         if (country > JAPAN_TEST)
 643                 country = USA;
 644         else if (country < USA)
 645                 country = USA;
 646         /* structure for hop time and beacon period is defined here using
 647          * New 802.11D6.1 format.  Card firmware is still using old format
 648          * until version 6.
 649          *    Before                    After
 650          *    a_hop_time ms byte        a_hop_time ms byte
 651          *    a_hop_time 2s byte        a_hop_time ls byte
 652          *    a_hop_time ls byte        a_beacon_period ms byte
 653          *    a_beacon_period           a_beacon_period ls byte
 654          *
 655          *    a_hop_time = uS           a_hop_time = KuS
 656          *    a_beacon_period = hops    a_beacon_period = KuS
 657          *//* 64ms = 010000 */
 658         if (local->fw_ver == 0x55) {
 659                 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
 660                        sizeof(struct b4_startup_params));
 661                 /* Translate sane kus input values to old build 4/5 format */
 662                 /* i = hop time in uS truncated to 3 bytes */
 663                 i = (hop_dwell * 1024) & 0xffffff;
 664                 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
 665                 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
 666                 local->sparm.b4.a_beacon_period[0] = 0;
 667                 local->sparm.b4.a_beacon_period[1] =
 668                     ((beacon_period / hop_dwell) - 1) & 0xff;
 669                 local->sparm.b4.a_curr_country_code = country;
 670                 local->sparm.b4.a_hop_pattern_length =
 671                     hop_pattern_length[(int)country] - 1;
 672                 if (bc) {
 673                         local->sparm.b4.a_ack_timeout = 0x50;
 674                         local->sparm.b4.a_sifs = 0x3f;
 675                 }
 676         } else { /* Version 5 uses real kus values */
 677                 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
 678                        sizeof(struct b5_startup_params));
 679
 680                 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
 681                 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
 682                 local->sparm.b5.a_beacon_period[0] =
 683                     (beacon_period >> 8) & 0xff;
 684                 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
 685                 if (psm)
 686                         local->sparm.b5.a_power_mgt_state = 1;
 687                 local->sparm.b5.a_curr_country_code = country;
 688                 local->sparm.b5.a_hop_pattern_length =
 689                     hop_pattern_length[(int)country];
 690         }
 691
 692         local->sparm.b4.a_network_type = net_type & 0x01;
 693         local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
 694
 695         if (essid != NULL)
 696                 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
 697 } /* init_startup_params */
 698
 699 /*===========================================================================*/
 700 static void verify_dl_startup(u_long data)
 701 {
 702         ray_dev_t *local = (ray_dev_t *) data;
 703         struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
 704         UCHAR status;
 705         struct pcmcia_device *link = local->finder;
 706
 707         if (!(pcmcia_dev_present(link))) {
 708                 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
 709                 return;
 710         }
 711 #if 0
 712         {
 713                 int i;
 714                 printk(KERN_DEBUG
 715                        "verify_dl_startup parameters sent via ccs %d:\n",
 716                        local->dl_param_ccs);
 717                 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
 718                         printk(" %2x",
 719                                (unsigned int)readb(local->sram +
 720                                                    HOST_TO_ECF_BASE + i));
 721                 }
 722                 printk("\n");
 723         }
 724 #endif
 725
 726         status = readb(&pccs->buffer_status);
 727         if (status != CCS_BUFFER_FREE) {
 728                 printk(KERN_INFO
 729                        "Download startup params failed.  Status = %d\n",
 730                        status);
 731                 local->card_status = CARD_DL_PARAM_ERROR;
 732                 return;
 733         }
 734         if (local->sparm.b4.a_network_type == ADHOC)
 735                 start_net((u_long) local);
 736         else
 737                 join_net((u_long) local);
 738
 739         return;
 740 } /* end verify_dl_startup */
 741
 742 /*===========================================================================*/
 743 /* Command card to start a network */
 744 static void start_net(u_long data)
 745 {
 746         ray_dev_t *local = (ray_dev_t *) data;
 747         struct ccs __iomem *pccs;
 748         int ccsindex;
 749         struct pcmcia_device *link = local->finder;
 750         if (!(pcmcia_dev_present(link))) {
 751                 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
 752                 return;
 753         }
 754         /* Fill in the CCS fields for the ECF */
 755         if ((ccsindex = get_free_ccs(local)) < 0)
 756                 return;
 757         pccs = ccs_base(local) + ccsindex;
 758         writeb(CCS_START_NETWORK, &pccs->cmd);
 759         writeb(0, &pccs->var.start_network.update_param);
 760         /* Interrupt the firmware to process the command */
 761         if (interrupt_ecf(local, ccsindex)) {
 762                 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
 763                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 764                 return;
 765         }
 766         local->card_status = CARD_DOING_ACQ;
 767         return;
 768 } /* end start_net */
 769
 770 /*===========================================================================*/
 771 /* Command card to join a network */
 772 static void join_net(u_long data)
 773 {
 774         ray_dev_t *local = (ray_dev_t *) data;
 775
 776         struct ccs __iomem *pccs;
 777         int ccsindex;
 778         struct pcmcia_device *link = local->finder;
 779
 780         if (!(pcmcia_dev_present(link))) {
 781                 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
 782                 return;
 783         }
 784         /* Fill in the CCS fields for the ECF */
 785         if ((ccsindex = get_free_ccs(local)) < 0)
 786                 return;
 787         pccs = ccs_base(local) + ccsindex;
 788         writeb(CCS_JOIN_NETWORK, &pccs->cmd);
 789         writeb(0, &pccs->var.join_network.update_param);
 790         writeb(0, &pccs->var.join_network.net_initiated);
 791         /* Interrupt the firmware to process the command */
 792         if (interrupt_ecf(local, ccsindex)) {
 793                 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
 794                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
 795                 return;
 796         }
 797         local->card_status = CARD_DOING_ACQ;
 798         return;
 799 }
 800
 801 /*============================================================================
 802     After a card is removed, ray_release() will unregister the net
 803     device, and release the PCMCIA configuration.  If the device is
 804     still open, this will be postponed until it is closed.
 805 =============================================================================*/
 806 static void ray_release(struct pcmcia_device *link)
 807 {
 808         struct net_device *dev = link->priv;
 809         ray_dev_t *local = netdev_priv(dev);
 810         int i;
 811
 812         dev_dbg(&link->dev, "ray_release\n");
 813
 814         del_timer(&local->timer);
 815
 816         iounmap(local->sram);
 817         iounmap(local->rmem);
 818         iounmap(local->amem);
 819         /* Do bother checking to see if these succeed or not */
 820         i = pcmcia_release_window(link, local->amem_handle);
 821         if (i != 0)
 822                 dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i);
 823         i = pcmcia_release_window(link, local->rmem_handle);
 824         if (i != 0)
 825                 dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i);
 826         pcmcia_disable_device(link);
 827
 828         dev_dbg(&link->dev, "ray_release ending\n");
 829 }
 830
 831 static int ray_suspend(struct pcmcia_device *link)
 832 {
 833         struct net_device *dev = link->priv;
 834
 835         if (link->open)
 836                 netif_device_detach(dev);
 837
 838         return 0;
 839 }
 840
 841 static int ray_resume(struct pcmcia_device *link)
 842 {
 843         struct net_device *dev = link->priv;
 844
 845         if (link->open) {
 846                 ray_reset(dev);
 847                 netif_device_attach(dev);
 848         }
 849
 850         return 0;
 851 }
 852
 853 /*===========================================================================*/
 854 static int ray_dev_init(struct net_device *dev)
 855 {
 856 #ifdef RAY_IMMEDIATE_INIT
 857         int i;
 858 #endif /* RAY_IMMEDIATE_INIT */
 859         ray_dev_t *local = netdev_priv(dev);
 860         struct pcmcia_device *link = local->finder;
 861
 862         dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
 863         if (!(pcmcia_dev_present(link))) {
 864                 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
 865                 return -1;
 866         }
 867 #ifdef RAY_IMMEDIATE_INIT
 868         /* Download startup parameters */
 869         if ((i = dl_startup_params(dev)) < 0) {
 870                 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
 871                        "returns 0x%x\n", i);
 872                 return -1;
 873         }
 874 #else /* RAY_IMMEDIATE_INIT */
 875         /* Postpone the card init so that we can still configure the card,
 876          * for example using the Wireless Extensions. The init will happen
 877          * in ray_open() - Jean II */
 878         dev_dbg(&link->dev,
 879               "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
 880               local->card_status);
 881 #endif /* RAY_IMMEDIATE_INIT */
 882
 883         /* copy mac and broadcast addresses to linux device */
 884         memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
 885         memset(dev->broadcast, 0xff, ETH_ALEN);
 886
 887         dev_dbg(&link->dev, "ray_dev_init ending\n");
 888         return 0;
 889 }
 890
 891 /*===========================================================================*/
 892 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
 893 {
 894         ray_dev_t *local = netdev_priv(dev);
 895         struct pcmcia_device *link = local->finder;
 896         /* Dummy routine to satisfy device structure */
 897         dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
 898         if (!(pcmcia_dev_present(link))) {
 899                 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
 900                 return -1;
 901         }
 902
 903         return 0;
 904 }
 905
 906 /*===========================================================================*/
 907 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
 908                                             struct net_device *dev)
 909 {
 910         ray_dev_t *local = netdev_priv(dev);
 911         struct pcmcia_device *link = local->finder;
 912         short length = skb->len;
 913
 914         if (!pcmcia_dev_present(link)) {
 915                 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
 916                 dev_kfree_skb(skb);
 917                 return NETDEV_TX_OK;
 918         }
 919
 920         dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
 921         if (local->authentication_state == NEED_TO_AUTH) {
 922                 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
 923                 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
 924                         local->authentication_state = AUTHENTICATED;
 925                         netif_stop_queue(dev);
 926                         return NETDEV_TX_BUSY;
 927                 }
 928         }
 929
 930         if (length < ETH_ZLEN) {
 931                 if (skb_padto(skb, ETH_ZLEN))
 932                         return NETDEV_TX_OK;
 933                 length = ETH_ZLEN;
 934         }
 935         switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
 936         case XMIT_NO_CCS:
 937         case XMIT_NEED_AUTH:
 938                 netif_stop_queue(dev);
 939                 return NETDEV_TX_BUSY;
 940         case XMIT_NO_INTR:
 941         case XMIT_MSG_BAD:
 942         case XMIT_OK:
 943         default:
 944                 dev->trans_start = jiffies;
 945                 dev_kfree_skb(skb);
 946         }
 947
 948         return NETDEV_TX_OK;
 949 } /* ray_dev_start_xmit */
 950
 951 /*===========================================================================*/
 952 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
 953                        UCHAR msg_type)
 954 {
 955         ray_dev_t *local = netdev_priv(dev);
 956         struct ccs __iomem *pccs;
 957         int ccsindex;
 958         int offset;
 959         struct tx_msg __iomem *ptx;     /* Address of xmit buffer in PC space */
 960         short int addr;         /* Address of xmit buffer in card space */
 961
 962         pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
 963         if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
 964                 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
 965                        len);
 966                 return XMIT_MSG_BAD;
 967         }
 968         switch (ccsindex = get_free_tx_ccs(local)) {
 969         case ECCSBUSY:
 970                 pr_debug("ray_hw_xmit tx_ccs table busy\n");
 971         case ECCSFULL:
 972                 pr_debug("ray_hw_xmit No free tx ccs\n");
 973         case ECARDGONE:
 974                 netif_stop_queue(dev);
 975                 return XMIT_NO_CCS;
 976         default:
 977                 break;
 978         }
 979         addr = TX_BUF_BASE + (ccsindex << 11);
 980
 981         if (msg_type == DATA_TYPE) {
 982                 local->stats.tx_bytes += len;
 983                 local->stats.tx_packets++;
 984         }
 985
 986         ptx = local->sram + addr;
 987
 988         ray_build_header(local, ptx, msg_type, data);
 989         if (translate) {
 990                 offset = translate_frame(local, ptx, data, len);
 991         } else { /* Encapsulate frame */
 992                 /* TBD TIB length will move address of ptx->var */
 993                 memcpy_toio(&ptx->var, data, len);
 994                 offset = 0;
 995         }
 996
 997         /* fill in the CCS */
 998         pccs = ccs_base(local) + ccsindex;
 999         len += TX_HEADER_LENGTH + offset;
1000         writeb(CCS_TX_REQUEST, &pccs->cmd);
1001         writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
1002         writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
1003         writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
1004         writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
1005 /* TBD still need psm_cam? */
1006         writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
1007         writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
1008         writeb(0, &pccs->var.tx_request.antenna);
1009         pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
1010               local->net_default_tx_rate);
1011
1012         /* Interrupt the firmware to process the command */
1013         if (interrupt_ecf(local, ccsindex)) {
1014                 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
1015 /* TBD very inefficient to copy packet to buffer, and then not
1016    send it, but the alternative is to queue the messages and that
1017    won't be done for a while.  Maybe set tbusy until a CCS is free?
1018 */
1019                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1020                 return XMIT_NO_INTR;
1021         }
1022         return XMIT_OK;
1023 } /* end ray_hw_xmit */
1024
1025 /*===========================================================================*/
1026 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1027                            unsigned char *data, int len)
1028 {
1029         __be16 proto = ((struct ethhdr *)data)->h_proto;
1030         if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1031                 pr_debug("ray_cs translate_frame DIX II\n");
1032                 /* Copy LLC header to card buffer */
1033                 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1034                 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1035                             (UCHAR *) &proto, 2);
1036                 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1037                         /* This is the selective translation table, only 2 entries */
1038                         writeb(0xf8,
1039                                &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1040                 }
1041                 /* Copy body of ethernet packet without ethernet header */
1042                 memcpy_toio((void __iomem *)&ptx->var +
1043                             sizeof(struct snaphdr_t), data + ETH_HLEN,
1044                             len - ETH_HLEN);
1045                 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1046         } else { /* already  802 type, and proto is length */
1047                 pr_debug("ray_cs translate_frame 802\n");
1048                 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1049                         pr_debug("ray_cs translate_frame evil IPX\n");
1050                         memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1051                         return 0 - ETH_HLEN;
1052                 }
1053                 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1054                 return 0 - ETH_HLEN;
1055         }
1056         /* TBD do other frame types */
1057 } /* end translate_frame */
1058
1059 /*===========================================================================*/
1060 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1061                              UCHAR msg_type, unsigned char *data)
1062 {
1063         writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1064 /*** IEEE 802.11 Address field assignments *************
1065                 TODS    FROMDS  addr_1          addr_2          addr_3  addr_4
1066 Adhoc           0       0       dest            src (terminal)  BSSID   N/A
1067 AP to Terminal  0       1       dest            AP(BSSID)       source  N/A
1068 Terminal to AP  1       0       AP(BSSID)       src (terminal)  dest    N/A
1069 AP to AP        1       1       dest AP         src AP          dest    source
1070 *******************************************************/
1071         if (local->net_type == ADHOC) {
1072                 writeb(0, &ptx->mac.frame_ctl_2);
1073                 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1074                             2 * ADDRLEN);
1075                 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1076         } else { /* infrastructure */
1077
1078                 if (local->sparm.b4.a_acting_as_ap_status) {
1079                         writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1080                         memcpy_toio(ptx->mac.addr_1,
1081                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1082                         memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1083                         memcpy_toio(ptx->mac.addr_3,
1084                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1085                 } else { /* Terminal */
1086
1087                         writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1088                         memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1089                         memcpy_toio(ptx->mac.addr_2,
1090                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1091                         memcpy_toio(ptx->mac.addr_3,
1092                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1093                 }
1094         }
1095 } /* end encapsulate_frame */
1096
1097 /*===========================================================================*/
1098
1099 static void netdev_get_drvinfo(struct net_device *dev,
1100                                struct ethtool_drvinfo *info)
1101 {
1102         strcpy(info->driver, "ray_cs");
1103 }
1104
1105 static const struct ethtool_ops netdev_ethtool_ops = {
1106         .get_drvinfo = netdev_get_drvinfo,
1107 };
1108
1109 /*====================================================================*/
1110
1111 /*------------------------------------------------------------------*/
1112 /*
1113  * Wireless Handler : get protocol name
1114  */
1115 static int ray_get_name(struct net_device *dev,
1116                         struct iw_request_info *info, char *cwrq, char *extra)
1117 {
1118         strcpy(cwrq, "IEEE 802.11-FH");
1119         return 0;
1120 }
1121
1122 /*------------------------------------------------------------------*/
1123 /*
1124  * Wireless Handler : set frequency
1125  */
1126 static int ray_set_freq(struct net_device *dev,
1127                         struct iw_request_info *info,
1128                         struct iw_freq *fwrq, char *extra)
1129 {
1130         ray_dev_t *local = netdev_priv(dev);
1131         int err = -EINPROGRESS; /* Call commit handler */
1132
1133         /* Reject if card is already initialised */
1134         if (local->card_status != CARD_AWAITING_PARAM)
1135                 return -EBUSY;
1136
1137         /* Setting by channel number */
1138         if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
1139                 err = -EOPNOTSUPP;
1140         else
1141                 local->sparm.b5.a_hop_pattern = fwrq->m;
1142
1143         return err;
1144 }
1145
1146 /*------------------------------------------------------------------*/
1147 /*
1148  * Wireless Handler : get frequency
1149  */
1150 static int ray_get_freq(struct net_device *dev,
1151                         struct iw_request_info *info,
1152                         struct iw_freq *fwrq, char *extra)
1153 {
1154         ray_dev_t *local = netdev_priv(dev);
1155
1156         fwrq->m = local->sparm.b5.a_hop_pattern;
1157         fwrq->e = 0;
1158         return 0;
1159 }
1160
1161 /*------------------------------------------------------------------*/
1162 /*
1163  * Wireless Handler : set ESSID
1164  */
1165 static int ray_set_essid(struct net_device *dev,
1166                          struct iw_request_info *info,
1167                          struct iw_point *dwrq, char *extra)
1168 {
1169         ray_dev_t *local = netdev_priv(dev);
1170
1171         /* Reject if card is already initialised */
1172         if (local->card_status != CARD_AWAITING_PARAM)
1173                 return -EBUSY;
1174
1175         /* Check if we asked for `any' */
1176         if (dwrq->flags == 0) {
1177                 /* Corey : can you do that ? */
1178                 return -EOPNOTSUPP;
1179         } else {
1180                 /* Check the size of the string */
1181                 if (dwrq->length > IW_ESSID_MAX_SIZE) {
1182                         return -E2BIG;
1183                 }
1184
1185                 /* Set the ESSID in the card */
1186                 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1187                 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
1188         }
1189
1190         return -EINPROGRESS;    /* Call commit handler */
1191 }
1192
1193 /*------------------------------------------------------------------*/
1194 /*
1195  * Wireless Handler : get ESSID
1196  */
1197 static int ray_get_essid(struct net_device *dev,
1198                          struct iw_request_info *info,
1199                          struct iw_point *dwrq, char *extra)
1200 {
1201         ray_dev_t *local = netdev_priv(dev);
1202
1203         /* Get the essid that was set */
1204         memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1205
1206         /* Push it out ! */
1207         dwrq->length = strlen(extra);
1208         dwrq->flags = 1;        /* active */
1209
1210         return 0;
1211 }
1212
1213 /*------------------------------------------------------------------*/
1214 /*
1215  * Wireless Handler : get AP address
1216  */
1217 static int ray_get_wap(struct net_device *dev,
1218                        struct iw_request_info *info,
1219                        struct sockaddr *awrq, char *extra)
1220 {
1221         ray_dev_t *local = netdev_priv(dev);
1222
1223         memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
1224         awrq->sa_family = ARPHRD_ETHER;
1225
1226         return 0;
1227 }
1228
1229 /*------------------------------------------------------------------*/
1230 /*
1231  * Wireless Handler : set Bit-Rate
1232  */
1233 static int ray_set_rate(struct net_device *dev,
1234                         struct iw_request_info *info,
1235                         struct iw_param *vwrq, char *extra)
1236 {
1237         ray_dev_t *local = netdev_priv(dev);
1238
1239         /* Reject if card is already initialised */
1240         if (local->card_status != CARD_AWAITING_PARAM)
1241                 return -EBUSY;
1242
1243         /* Check if rate is in range */
1244         if ((vwrq->value != 1000000) && (vwrq->value != 2000000))
1245                 return -EINVAL;
1246
1247         /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1248         if ((local->fw_ver == 0x55) &&  /* Please check */
1249             (vwrq->value == 2000000))
1250                 local->net_default_tx_rate = 3;
1251         else
1252                 local->net_default_tx_rate = vwrq->value / 500000;
1253
1254         return 0;
1255 }
1256
1257 /*------------------------------------------------------------------*/
1258 /*
1259  * Wireless Handler : get Bit-Rate
1260  */
1261 static int ray_get_rate(struct net_device *dev,
1262                         struct iw_request_info *info,
1263                         struct iw_param *vwrq, char *extra)
1264 {
1265         ray_dev_t *local = netdev_priv(dev);
1266
1267         if (local->net_default_tx_rate == 3)
1268                 vwrq->value = 2000000;  /* Hum... */
1269         else
1270                 vwrq->value = local->net_default_tx_rate * 500000;
1271         vwrq->fixed = 0;        /* We are in auto mode */
1272
1273         return 0;
1274 }
1275
1276 /*------------------------------------------------------------------*/
1277 /*
1278  * Wireless Handler : set RTS threshold
1279  */
1280 static int ray_set_rts(struct net_device *dev,
1281                        struct iw_request_info *info,
1282                        struct iw_param *vwrq, char *extra)
1283 {
1284         ray_dev_t *local = netdev_priv(dev);
1285         int rthr = vwrq->value;
1286
1287         /* Reject if card is already initialised */
1288         if (local->card_status != CARD_AWAITING_PARAM)
1289                 return -EBUSY;
1290
1291         /* if(wrq->u.rts.fixed == 0) we should complain */
1292         if (vwrq->disabled)
1293                 rthr = 32767;
1294         else {
1295                 if ((rthr < 0) || (rthr > 2347))   /* What's the max packet size ??? */
1296                         return -EINVAL;
1297         }
1298         local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1299         local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1300
1301         return -EINPROGRESS;    /* Call commit handler */
1302 }
1303
1304 /*------------------------------------------------------------------*/
1305 /*
1306  * Wireless Handler : get RTS threshold
1307  */
1308 static int ray_get_rts(struct net_device *dev,
1309                        struct iw_request_info *info,
1310                        struct iw_param *vwrq, char *extra)
1311 {
1312         ray_dev_t *local = netdev_priv(dev);
1313
1314         vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
1315             + local->sparm.b5.a_rts_threshold[1];
1316         vwrq->disabled = (vwrq->value == 32767);
1317         vwrq->fixed = 1;
1318
1319         return 0;
1320 }
1321
1322 /*------------------------------------------------------------------*/
1323 /*
1324  * Wireless Handler : set Fragmentation threshold
1325  */
1326 static int ray_set_frag(struct net_device *dev,
1327                         struct iw_request_info *info,
1328                         struct iw_param *vwrq, char *extra)
1329 {
1330         ray_dev_t *local = netdev_priv(dev);
1331         int fthr = vwrq->value;
1332
1333         /* Reject if card is already initialised */
1334         if (local->card_status != CARD_AWAITING_PARAM)
1335                 return -EBUSY;
1336
1337         /* if(wrq->u.frag.fixed == 0) should complain */
1338         if (vwrq->disabled)
1339                 fthr = 32767;
1340         else {
1341                 if ((fthr < 256) || (fthr > 2347))      /* To check out ! */
1342                         return -EINVAL;
1343         }
1344         local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1345         local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1346
1347         return -EINPROGRESS;    /* Call commit handler */
1348 }
1349
1350 /*------------------------------------------------------------------*/
1351 /*
1352  * Wireless Handler : get Fragmentation threshold
1353  */
1354 static int ray_get_frag(struct net_device *dev,
1355                         struct iw_request_info *info,
1356                         struct iw_param *vwrq, char *extra)
1357 {
1358         ray_dev_t *local = netdev_priv(dev);
1359
1360         vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
1361             + local->sparm.b5.a_frag_threshold[1];
1362         vwrq->disabled = (vwrq->value == 32767);
1363         vwrq->fixed = 1;
1364
1365         return 0;
1366 }
1367
1368 /*------------------------------------------------------------------*/
1369 /*
1370  * Wireless Handler : set Mode of Operation
1371  */
1372 static int ray_set_mode(struct net_device *dev,
1373                         struct iw_request_info *info, __u32 *uwrq, char *extra)
1374 {
1375         ray_dev_t *local = netdev_priv(dev);
1376         int err = -EINPROGRESS; /* Call commit handler */
1377         char card_mode = 1;
1378
1379         /* Reject if card is already initialised */
1380         if (local->card_status != CARD_AWAITING_PARAM)
1381                 return -EBUSY;
1382
1383         switch (*uwrq) {
1384         case IW_MODE_ADHOC:
1385                 card_mode = 0;
1386                 /* Fall through */
1387         case IW_MODE_INFRA:
1388                 local->sparm.b5.a_network_type = card_mode;
1389                 break;
1390         default:
1391                 err = -EINVAL;
1392         }
1393
1394         return err;
1395 }
1396
1397 /*------------------------------------------------------------------*/
1398 /*
1399  * Wireless Handler : get Mode of Operation
1400  */
1401 static int ray_get_mode(struct net_device *dev,
1402                         struct iw_request_info *info, __u32 *uwrq, char *extra)
1403 {
1404         ray_dev_t *local = netdev_priv(dev);
1405
1406         if (local->sparm.b5.a_network_type)
1407                 *uwrq = IW_MODE_INFRA;
1408         else
1409                 *uwrq = IW_MODE_ADHOC;
1410
1411         return 0;
1412 }
1413
1414 /*------------------------------------------------------------------*/
1415 /*
1416  * Wireless Handler : get range info
1417  */
1418 static int ray_get_range(struct net_device *dev,
1419                          struct iw_request_info *info,
1420                          struct iw_point *dwrq, char *extra)
1421 {
1422         struct iw_range *range = (struct iw_range *)extra;
1423
1424         memset((char *)range, 0, sizeof(struct iw_range));
1425
1426         /* Set the length (very important for backward compatibility) */
1427         dwrq->length = sizeof(struct iw_range);
1428
1429         /* Set the Wireless Extension versions */
1430         range->we_version_compiled = WIRELESS_EXT;
1431         range->we_version_source = 9;
1432
1433         /* Set information in the range struct */
1434         range->throughput = 1.1 * 1000 * 1000;  /* Put the right number here */
1435         range->num_channels = hop_pattern_length[(int)country];
1436         range->num_frequency = 0;
1437         range->max_qual.qual = 0;
1438         range->max_qual.level = 255;    /* What's the correct value ? */
1439         range->max_qual.noise = 255;    /* Idem */
1440         range->num_bitrates = 2;
1441         range->bitrate[0] = 1000000;    /* 1 Mb/s */
1442         range->bitrate[1] = 2000000;    /* 2 Mb/s */
1443         return 0;
1444 }
1445
1446 /*------------------------------------------------------------------*/
1447 /*
1448  * Wireless Private Handler : set framing mode
1449  */
1450 static int ray_set_framing(struct net_device *dev,
1451                            struct iw_request_info *info,
1452                            union iwreq_data *wrqu, char *extra)
1453 {
1454         translate = *(extra);   /* Set framing mode */
1455
1456         return 0;
1457 }
1458
1459 /*------------------------------------------------------------------*/
1460 /*
1461  * Wireless Private Handler : get framing mode
1462  */
1463 static int ray_get_framing(struct net_device *dev,
1464                            struct iw_request_info *info,
1465                            union iwreq_data *wrqu, char *extra)
1466 {
1467         *(extra) = translate;
1468
1469         return 0;
1470 }
1471
1472 /*------------------------------------------------------------------*/
1473 /*
1474  * Wireless Private Handler : get country
1475  */
1476 static int ray_get_country(struct net_device *dev,
1477                            struct iw_request_info *info,
1478                            union iwreq_data *wrqu, char *extra)
1479 {
1480         *(extra) = country;
1481
1482         return 0;
1483 }
1484
1485 /*------------------------------------------------------------------*/
1486 /*
1487  * Commit handler : called after a bunch of SET operations
1488  */
1489 static int ray_commit(struct net_device *dev, struct iw_request_info *info,     /* NULL */
1490                       void *zwrq,       /* NULL */
1491                       char *extra)
1492 { /* NULL */
1493         return 0;
1494 }
1495
1496 /*------------------------------------------------------------------*/
1497 /*
1498  * Stats handler : return Wireless Stats
1499  */
1500 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1501 {
1502         ray_dev_t *local = netdev_priv(dev);
1503         struct pcmcia_device *link = local->finder;
1504         struct status __iomem *p = local->sram + STATUS_BASE;
1505
1506         local->wstats.status = local->card_status;
1507 #ifdef WIRELESS_SPY
1508         if ((local->spy_data.spy_number > 0)
1509             && (local->sparm.b5.a_network_type == 0)) {
1510                 /* Get it from the first node in spy list */
1511                 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1512                 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1513                 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1514                 local->wstats.qual.updated =
1515                     local->spy_data.spy_stat[0].updated;
1516         }
1517 #endif /* WIRELESS_SPY */
1518
1519         if (pcmcia_dev_present(link)) {
1520                 local->wstats.qual.noise = readb(&p->rxnoise);
1521                 local->wstats.qual.updated |= 4;
1522         }
1523
1524         return &local->wstats;
1525 } /* end ray_get_wireless_stats */
1526
1527 /*------------------------------------------------------------------*/
1528 /*
1529  * Structures to export the Wireless Handlers
1530  */
1531
1532 static const iw_handler ray_handler[] = {
1533         [SIOCSIWCOMMIT - SIOCIWFIRST] = (iw_handler) ray_commit,
1534         [SIOCGIWNAME - SIOCIWFIRST] = (iw_handler) ray_get_name,
1535         [SIOCSIWFREQ - SIOCIWFIRST] = (iw_handler) ray_set_freq,
1536         [SIOCGIWFREQ - SIOCIWFIRST] = (iw_handler) ray_get_freq,
1537         [SIOCSIWMODE - SIOCIWFIRST] = (iw_handler) ray_set_mode,
1538         [SIOCGIWMODE - SIOCIWFIRST] = (iw_handler) ray_get_mode,
1539         [SIOCGIWRANGE - SIOCIWFIRST] = (iw_handler) ray_get_range,
1540 #ifdef WIRELESS_SPY
1541         [SIOCSIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
1542         [SIOCGIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
1543         [SIOCSIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
1544         [SIOCGIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
1545 #endif /* WIRELESS_SPY */
1546         [SIOCGIWAP - SIOCIWFIRST] = (iw_handler) ray_get_wap,
1547         [SIOCSIWESSID - SIOCIWFIRST] = (iw_handler) ray_set_essid,
1548         [SIOCGIWESSID - SIOCIWFIRST] = (iw_handler) ray_get_essid,
1549         [SIOCSIWRATE - SIOCIWFIRST] = (iw_handler) ray_set_rate,
1550         [SIOCGIWRATE - SIOCIWFIRST] = (iw_handler) ray_get_rate,
1551         [SIOCSIWRTS - SIOCIWFIRST] = (iw_handler) ray_set_rts,
1552         [SIOCGIWRTS - SIOCIWFIRST] = (iw_handler) ray_get_rts,
1553         [SIOCSIWFRAG - SIOCIWFIRST] = (iw_handler) ray_set_frag,
1554         [SIOCGIWFRAG - SIOCIWFIRST] = (iw_handler) ray_get_frag,
1555 };
1556
1557 #define SIOCSIPFRAMING  SIOCIWFIRSTPRIV /* Set framing mode */
1558 #define SIOCGIPFRAMING  SIOCIWFIRSTPRIV + 1     /* Get framing mode */
1559 #define SIOCGIPCOUNTRY  SIOCIWFIRSTPRIV + 3     /* Get country code */
1560
1561 static const iw_handler ray_private_handler[] = {
1562         [0] = (iw_handler) ray_set_framing,
1563         [1] = (iw_handler) ray_get_framing,
1564         [3] = (iw_handler) ray_get_country,
1565 };
1566
1567 static const struct iw_priv_args ray_private_args[] = {
1568 /* cmd,         set_args,       get_args,       name */
1569         {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1570          "set_framing"},
1571         {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1572          "get_framing"},
1573         {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1574          "get_country"},
1575 };
1576
1577 static const struct iw_handler_def ray_handler_def = {
1578         .num_standard = ARRAY_SIZE(ray_handler),
1579         .num_private = ARRAY_SIZE(ray_private_handler),
1580         .num_private_args = ARRAY_SIZE(ray_private_args),
1581         .standard = ray_handler,
1582         .private = ray_private_handler,
1583         .private_args = ray_private_args,
1584         .get_wireless_stats = ray_get_wireless_stats,
1585 };
1586
1587 /*===========================================================================*/
1588 static int ray_open(struct net_device *dev)
1589 {
1590         ray_dev_t *local = netdev_priv(dev);
1591         struct pcmcia_device *link;
1592         link = local->finder;
1593
1594         dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1595
1596         if (link->open == 0)
1597                 local->num_multi = 0;
1598         link->open++;
1599
1600         /* If the card is not started, time to start it ! - Jean II */
1601         if (local->card_status == CARD_AWAITING_PARAM) {
1602                 int i;
1603
1604                 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1605
1606                 /* Download startup parameters */
1607                 if ((i = dl_startup_params(dev)) < 0) {
1608                         printk(KERN_INFO
1609                                "ray_dev_init dl_startup_params failed - "
1610                                "returns 0x%x\n", i);
1611                         return -1;
1612                 }
1613         }
1614
1615         if (sniffer)
1616                 netif_stop_queue(dev);
1617         else
1618                 netif_start_queue(dev);
1619
1620         dev_dbg(&link->dev, "ray_open ending\n");
1621         return 0;
1622 } /* end ray_open */
1623
1624 /*===========================================================================*/
1625 static int ray_dev_close(struct net_device *dev)
1626 {
1627         ray_dev_t *local = netdev_priv(dev);
1628         struct pcmcia_device *link;
1629         link = local->finder;
1630
1631         dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1632
1633         link->open--;
1634         netif_stop_queue(dev);
1635
1636         /* In here, we should stop the hardware (stop card from beeing active)
1637          * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1638          * card is closed we can chage its configuration.
1639          * Probably also need a COR reset to get sane state - Jean II */
1640
1641         return 0;
1642 } /* end ray_dev_close */
1643
1644 /*===========================================================================*/
1645 static void ray_reset(struct net_device *dev)
1646 {
1647         pr_debug("ray_reset entered\n");
1648         return;
1649 }
1650
1651 /*===========================================================================*/
1652 /* Cause a firmware interrupt if it is ready for one                         */
1653 /* Return nonzero if not ready                                               */
1654 static int interrupt_ecf(ray_dev_t *local, int ccs)
1655 {
1656         int i = 50;
1657         struct pcmcia_device *link = local->finder;
1658
1659         if (!(pcmcia_dev_present(link))) {
1660                 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1661                 return -1;
1662         }
1663         dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1664
1665         while (i &&
1666                (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1667                 ECF_INTR_SET))
1668                 i--;
1669         if (i == 0) {
1670                 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1671                 return -1;
1672         }
1673         /* Fill the mailbox, then kick the card */
1674         writeb(ccs, local->sram + SCB_BASE);
1675         writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1676         return 0;
1677 } /* interrupt_ecf */
1678
1679 /*===========================================================================*/
1680 /* Get next free transmit CCS                                                */
1681 /* Return - index of current tx ccs                                          */
1682 static int get_free_tx_ccs(ray_dev_t *local)
1683 {
1684         int i;
1685         struct ccs __iomem *pccs = ccs_base(local);
1686         struct pcmcia_device *link = local->finder;
1687
1688         if (!(pcmcia_dev_present(link))) {
1689                 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1690                 return ECARDGONE;
1691         }
1692
1693         if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1694                 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1695                 return ECCSBUSY;
1696         }
1697
1698         for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1699                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1700                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1701                         writeb(CCS_END_LIST, &(pccs + i)->link);
1702                         local->tx_ccs_lock = 0;
1703                         return i;
1704                 }
1705         }
1706         local->tx_ccs_lock = 0;
1707         dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1708         return ECCSFULL;
1709 } /* get_free_tx_ccs */
1710
1711 /*===========================================================================*/
1712 /* Get next free CCS                                                         */
1713 /* Return - index of current ccs                                             */
1714 static int get_free_ccs(ray_dev_t *local)
1715 {
1716         int i;
1717         struct ccs __iomem *pccs = ccs_base(local);
1718         struct pcmcia_device *link = local->finder;
1719
1720         if (!(pcmcia_dev_present(link))) {
1721                 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1722                 return ECARDGONE;
1723         }
1724         if (test_and_set_bit(0, &local->ccs_lock)) {
1725                 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1726                 return ECCSBUSY;
1727         }
1728
1729         for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1730                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1731                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1732                         writeb(CCS_END_LIST, &(pccs + i)->link);
1733                         local->ccs_lock = 0;
1734                         return i;
1735                 }
1736         }
1737         local->ccs_lock = 0;
1738         dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1739         return ECCSFULL;
1740 } /* get_free_ccs */
1741
1742 /*===========================================================================*/
1743 static void authenticate_timeout(u_long data)
1744 {
1745         ray_dev_t *local = (ray_dev_t *) data;
1746         del_timer(&local->timer);
1747         printk(KERN_INFO "ray_cs Authentication with access point failed"
1748                " - timeout\n");
1749         join_net((u_long) local);
1750 }
1751
1752 /*===========================================================================*/
1753 static int asc_to_int(char a)
1754 {
1755         if (a < '0')
1756                 return -1;
1757         if (a <= '9')
1758                 return (a - '0');
1759         if (a < 'A')
1760                 return -1;
1761         if (a <= 'F')
1762                 return (10 + a - 'A');
1763         if (a < 'a')
1764                 return -1;
1765         if (a <= 'f')
1766                 return (10 + a - 'a');
1767         return -1;
1768 }
1769
1770 /*===========================================================================*/
1771 static int parse_addr(char *in_str, UCHAR *out)
1772 {
1773         int len;
1774         int i, j, k;
1775         int status;
1776
1777         if (in_str == NULL)
1778                 return 0;
1779         if ((len = strlen(in_str)) < 2)
1780                 return 0;
1781         memset(out, 0, ADDRLEN);
1782
1783         status = 1;
1784         j = len - 1;
1785         if (j > 12)
1786                 j = 12;
1787         i = 5;
1788
1789         while (j > 0) {
1790                 if ((k = asc_to_int(in_str[j--])) != -1)
1791                         out[i] = k;
1792                 else
1793                         return 0;
1794
1795                 if (j == 0)
1796                         break;
1797                 if ((k = asc_to_int(in_str[j--])) != -1)
1798                         out[i] += k << 4;
1799                 else
1800                         return 0;
1801                 if (!i--)
1802                         break;
1803         }
1804         return status;
1805 }
1806
1807 /*===========================================================================*/
1808 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1809 {
1810         ray_dev_t *local = netdev_priv(dev);
1811         struct pcmcia_device *link = local->finder;
1812         struct status __iomem *p = local->sram + STATUS_BASE;
1813         if (!(pcmcia_dev_present(link))) {
1814                 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1815                 return &local->stats;
1816         }
1817         if (readb(&p->mrx_overflow_for_host)) {
1818                 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1819                 writeb(0, &p->mrx_overflow);
1820                 writeb(0, &p->mrx_overflow_for_host);
1821         }
1822         if (readb(&p->mrx_checksum_error_for_host)) {
1823                 local->stats.rx_crc_errors +=
1824                     swab16(readw(&p->mrx_checksum_error));
1825                 writeb(0, &p->mrx_checksum_error);
1826                 writeb(0, &p->mrx_checksum_error_for_host);
1827         }
1828         if (readb(&p->rx_hec_error_for_host)) {
1829                 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1830                 writeb(0, &p->rx_hec_error);
1831                 writeb(0, &p->rx_hec_error_for_host);
1832         }
1833         return &local->stats;
1834 }
1835
1836 /*===========================================================================*/
1837 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1838                             int len)
1839 {
1840         ray_dev_t *local = netdev_priv(dev);
1841         struct pcmcia_device *link = local->finder;
1842         int ccsindex;
1843         int i;
1844         struct ccs __iomem *pccs;
1845
1846         if (!(pcmcia_dev_present(link))) {
1847                 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1848                 return;
1849         }
1850
1851         if ((ccsindex = get_free_ccs(local)) < 0) {
1852                 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1853                 return;
1854         }
1855         pccs = ccs_base(local) + ccsindex;
1856         writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1857         writeb(objid, &pccs->var.update_param.object_id);
1858         writeb(1, &pccs->var.update_param.number_objects);
1859         writeb(0, &pccs->var.update_param.failure_cause);
1860         for (i = 0; i < len; i++) {
1861                 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1862         }
1863         /* Interrupt the firmware to process the command */
1864         if (interrupt_ecf(local, ccsindex)) {
1865                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1866                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1867         }
1868 }
1869
1870 /*===========================================================================*/
1871 static void ray_update_multi_list(struct net_device *dev, int all)
1872 {
1873         int ccsindex;
1874         struct ccs __iomem *pccs;
1875         ray_dev_t *local = netdev_priv(dev);
1876         struct pcmcia_device *link = local->finder;
1877         void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1878
1879         if (!(pcmcia_dev_present(link))) {
1880                 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1881                 return;
1882         } else
1883                 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1884         if ((ccsindex = get_free_ccs(local)) < 0) {
1885                 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1886                 return;
1887         }
1888         pccs = ccs_base(local) + ccsindex;
1889         writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1890
1891         if (all) {
1892                 writeb(0xff, &pccs->var);
1893                 local->num_multi = 0xff;
1894         } else {
1895                 struct dev_mc_list *dmi;
1896                 int i = 0;
1897
1898                 /* Copy the kernel's list of MC addresses to card */
1899                 netdev_for_each_mc_addr(dmi, dev) {
1900                         memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
1901                         dev_dbg(&link->dev,
1902                               "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1903                               dmi->dmi_addr[0], dmi->dmi_addr[1],
1904                               dmi->dmi_addr[2], dmi->dmi_addr[3],
1905                               dmi->dmi_addr[4], dmi->dmi_addr[5]);
1906                         p += ETH_ALEN;
1907                         i++;
1908                 }
1909                 if (i > 256 / ADDRLEN)
1910                         i = 256 / ADDRLEN;
1911                 writeb((UCHAR) i, &pccs->var);
1912                 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1913                 /* Interrupt the firmware to process the command */
1914                 local->num_multi = i;
1915         }
1916         if (interrupt_ecf(local, ccsindex)) {
1917                 dev_dbg(&link->dev,
1918                       "ray_cs update_multi failed - ECF not ready for intr\n");
1919                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1920         }
1921 } /* end ray_update_multi_list */
1922
1923 /*===========================================================================*/
1924 static void set_multicast_list(struct net_device *dev)
1925 {
1926         ray_dev_t *local = netdev_priv(dev);
1927         UCHAR promisc;
1928
1929         pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1930
1931         if (dev->flags & IFF_PROMISC) {
1932                 if (local->sparm.b5.a_promiscuous_mode == 0) {
1933                         pr_debug("ray_cs set_multicast_list promisc on\n");
1934                         local->sparm.b5.a_promiscuous_mode = 1;
1935                         promisc = 1;
1936                         ray_update_parm(dev, OBJID_promiscuous_mode,
1937                                         &promisc, sizeof(promisc));
1938                 }
1939         } else {
1940                 if (local->sparm.b5.a_promiscuous_mode == 1) {
1941                         pr_debug("ray_cs set_multicast_list promisc off\n");
1942                         local->sparm.b5.a_promiscuous_mode = 0;
1943                         promisc = 0;
1944                         ray_update_parm(dev, OBJID_promiscuous_mode,
1945                                         &promisc, sizeof(promisc));
1946                 }
1947         }
1948
1949         if (dev->flags & IFF_ALLMULTI)
1950                 ray_update_multi_list(dev, 1);
1951         else {
1952                 if (local->num_multi != netdev_mc_count(dev))
1953                         ray_update_multi_list(dev, 0);
1954         }
1955 } /* end set_multicast_list */
1956
1957 /*=============================================================================
1958  * All routines below here are run at interrupt time.
1959 =============================================================================*/
1960 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1961 {
1962         struct net_device *dev = (struct net_device *)dev_id;
1963         struct pcmcia_device *link;
1964         ray_dev_t *local;
1965         struct ccs __iomem *pccs;
1966         struct rcs __iomem *prcs;
1967         UCHAR rcsindex;
1968         UCHAR tmp;
1969         UCHAR cmd;
1970         UCHAR status;
1971
1972         if (dev == NULL)        /* Note that we want interrupts with dev->start == 0 */
1973                 return IRQ_NONE;
1974
1975         pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1976
1977         local = netdev_priv(dev);
1978         link = (struct pcmcia_device *)local->finder;
1979         if (!pcmcia_dev_present(link)) {
1980                 pr_debug(
1981                         "ray_cs interrupt from device not present or suspended.\n");
1982                 return IRQ_NONE;
1983         }
1984         rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1985
1986         if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1987                 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1988                 clear_interrupt(local);
1989                 return IRQ_HANDLED;
1990         }
1991         if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1992                 pccs = ccs_base(local) + rcsindex;
1993                 cmd = readb(&pccs->cmd);
1994                 status = readb(&pccs->buffer_status);
1995                 switch (cmd) {
1996                 case CCS_DOWNLOAD_STARTUP_PARAMS:       /* Happens in firmware someday */
1997                         del_timer(&local->timer);
1998                         if (status == CCS_COMMAND_COMPLETE) {
1999                                 dev_dbg(&link->dev,
2000                                       "ray_cs interrupt download_startup_parameters OK\n");
2001                         } else {
2002                                 dev_dbg(&link->dev,
2003                                       "ray_cs interrupt download_startup_parameters fail\n");
2004                         }
2005                         break;
2006                 case CCS_UPDATE_PARAMS:
2007                         dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
2008                         if (status != CCS_COMMAND_COMPLETE) {
2009                                 tmp =
2010                                     readb(&pccs->var.update_param.
2011                                           failure_cause);
2012                                 dev_dbg(&link->dev,
2013                                       "ray_cs interrupt update params failed - reason %d\n",
2014                                       tmp);
2015                         }
2016                         break;
2017                 case CCS_REPORT_PARAMS:
2018                         dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
2019                         break;
2020                 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
2021                         dev_dbg(&link->dev,
2022                               "ray_cs interrupt CCS Update Multicast List done\n");
2023                         break;
2024                 case CCS_UPDATE_POWER_SAVINGS_MODE:
2025                         dev_dbg(&link->dev,
2026                               "ray_cs interrupt update power save mode done\n");
2027                         break;
2028                 case CCS_START_NETWORK:
2029                 case CCS_JOIN_NETWORK:
2030                         if (status == CCS_COMMAND_COMPLETE) {
2031                                 if (readb
2032                                     (&pccs->var.start_network.net_initiated) ==
2033                                     1) {
2034                                         dev_dbg(&link->dev,
2035                                               "ray_cs interrupt network \"%s\" started\n",
2036                                               local->sparm.b4.a_current_ess_id);
2037                                 } else {
2038                                         dev_dbg(&link->dev,
2039                                               "ray_cs interrupt network \"%s\" joined\n",
2040                                               local->sparm.b4.a_current_ess_id);
2041                                 }
2042                                 memcpy_fromio(&local->bss_id,
2043                                               pccs->var.start_network.bssid,
2044                                               ADDRLEN);
2045
2046                                 if (local->fw_ver == 0x55)
2047                                         local->net_default_tx_rate = 3;
2048                                 else
2049                                         local->net_default_tx_rate =
2050                                             readb(&pccs->var.start_network.
2051                                                   net_default_tx_rate);
2052                                 local->encryption =
2053                                     readb(&pccs->var.start_network.encryption);
2054                                 if (!sniffer && (local->net_type == INFRA)
2055                                     && !(local->sparm.b4.a_acting_as_ap_status)) {
2056                                         authenticate(local);
2057                                 }
2058                                 local->card_status = CARD_ACQ_COMPLETE;
2059                         } else {
2060                                 local->card_status = CARD_ACQ_FAILED;
2061
2062                                 del_timer(&local->timer);
2063                                 local->timer.expires = jiffies + HZ * 5;
2064                                 local->timer.data = (long)local;
2065                                 if (status == CCS_START_NETWORK) {
2066                                         dev_dbg(&link->dev,
2067                                               "ray_cs interrupt network \"%s\" start failed\n",
2068                                               local->sparm.b4.a_current_ess_id);
2069                                         local->timer.function = &start_net;
2070                                 } else {
2071                                         dev_dbg(&link->dev,
2072                                               "ray_cs interrupt network \"%s\" join failed\n",
2073                                               local->sparm.b4.a_current_ess_id);
2074                                         local->timer.function = &join_net;
2075                                 }
2076                                 add_timer(&local->timer);
2077                         }
2078                         break;
2079                 case CCS_START_ASSOCIATION:
2080                         if (status == CCS_COMMAND_COMPLETE) {
2081                                 local->card_status = CARD_ASSOC_COMPLETE;
2082                                 dev_dbg(&link->dev, "ray_cs association successful\n");
2083                         } else {
2084                                 dev_dbg(&link->dev, "ray_cs association failed,\n");
2085                                 local->card_status = CARD_ASSOC_FAILED;
2086                                 join_net((u_long) local);
2087                         }
2088                         break;
2089                 case CCS_TX_REQUEST:
2090                         if (status == CCS_COMMAND_COMPLETE) {
2091                                 dev_dbg(&link->dev,
2092                                       "ray_cs interrupt tx request complete\n");
2093                         } else {
2094                                 dev_dbg(&link->dev,
2095                                       "ray_cs interrupt tx request failed\n");
2096                         }
2097                         if (!sniffer)
2098                                 netif_start_queue(dev);
2099                         netif_wake_queue(dev);
2100                         break;
2101                 case CCS_TEST_MEMORY:
2102                         dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
2103                         break;
2104                 case CCS_SHUTDOWN:
2105                         dev_dbg(&link->dev,
2106                               "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2107                         break;
2108                 case CCS_DUMP_MEMORY:
2109                         dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2110                         break;
2111                 case CCS_START_TIMER:
2112                         dev_dbg(&link->dev,
2113                               "ray_cs interrupt DING - raylink timer expired\n");
2114                         break;
2115                 default:
2116                         dev_dbg(&link->dev,
2117                               "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2118                               rcsindex, cmd);
2119                 }
2120                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2121         } else { /* It's an RCS */
2122
2123                 prcs = rcs_base(local) + rcsindex;
2124
2125                 switch (readb(&prcs->interrupt_id)) {
2126                 case PROCESS_RX_PACKET:
2127                         ray_rx(dev, local, prcs);
2128                         break;
2129                 case REJOIN_NET_COMPLETE:
2130                         dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2131                         local->card_status = CARD_ACQ_COMPLETE;
2132                         /* do we need to clear tx buffers CCS's? */
2133                         if (local->sparm.b4.a_network_type == ADHOC) {
2134                                 if (!sniffer)
2135                                         netif_start_queue(dev);
2136                         } else {
2137                                 memcpy_fromio(&local->bss_id,
2138                                               prcs->var.rejoin_net_complete.
2139                                               bssid, ADDRLEN);
2140                                 dev_dbg(&link->dev,
2141                                       "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2142                                       local->bss_id[0], local->bss_id[1],
2143                                       local->bss_id[2], local->bss_id[3],
2144                                       local->bss_id[4], local->bss_id[5]);
2145                                 if (!sniffer)
2146                                         authenticate(local);
2147                         }
2148                         break;
2149                 case ROAMING_INITIATED:
2150                         dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2151                         netif_stop_queue(dev);
2152                         local->card_status = CARD_DOING_ACQ;
2153                         break;
2154                 case JAPAN_CALL_SIGN_RXD:
2155                         dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2156                         break;
2157                 default:
2158                         dev_dbg(&link->dev,
2159                               "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2160                               rcsindex,
2161                               (unsigned int)readb(&prcs->interrupt_id));
2162                         break;
2163                 }
2164                 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2165         }
2166         clear_interrupt(local);
2167         return IRQ_HANDLED;
2168 } /* ray_interrupt */
2169
2170 /*===========================================================================*/
2171 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2172                    struct rcs __iomem *prcs)
2173 {
2174         int rx_len;
2175         unsigned int pkt_addr;
2176         void __iomem *pmsg;
2177         pr_debug("ray_rx process rx packet\n");
2178
2179         /* Calculate address of packet within Rx buffer */
2180         pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2181                     + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2182         /* Length of first packet fragment */
2183         rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2184             + readb(&prcs->var.rx_packet.rx_data_length[1]);
2185
2186         local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2187         pmsg = local->rmem + pkt_addr;
2188         switch (readb(pmsg)) {
2189         case DATA_TYPE:
2190                 pr_debug("ray_rx data type\n");
2191                 rx_data(dev, prcs, pkt_addr, rx_len);
2192                 break;
2193         case AUTHENTIC_TYPE:
2194                 pr_debug("ray_rx authentic type\n");
2195                 if (sniffer)
2196                         rx_data(dev, prcs, pkt_addr, rx_len);
2197                 else
2198                         rx_authenticate(local, prcs, pkt_addr, rx_len);
2199                 break;
2200         case DEAUTHENTIC_TYPE:
2201                 pr_debug("ray_rx deauth type\n");
2202                 if (sniffer)
2203                         rx_data(dev, prcs, pkt_addr, rx_len);
2204                 else
2205                         rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2206                 break;
2207         case NULL_MSG_TYPE:
2208                 pr_debug("ray_cs rx NULL msg\n");
2209                 break;
2210         case BEACON_TYPE:
2211                 pr_debug("ray_rx beacon type\n");
2212                 if (sniffer)
2213                         rx_data(dev, prcs, pkt_addr, rx_len);
2214
2215                 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2216                                   rx_len < sizeof(struct beacon_rx) ?
2217                                   rx_len : sizeof(struct beacon_rx));
2218
2219                 local->beacon_rxed = 1;
2220                 /* Get the statistics so the card counters never overflow */
2221                 ray_get_stats(dev);
2222                 break;
2223         default:
2224                 pr_debug("ray_cs unknown pkt type %2x\n",
2225                       (unsigned int)readb(pmsg));
2226                 break;
2227         }
2228
2229 } /* end ray_rx */
2230
2231 /*===========================================================================*/
2232 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2233                     unsigned int pkt_addr, int rx_len)
2234 {
2235         struct sk_buff *skb = NULL;
2236         struct rcs __iomem *prcslink = prcs;
2237         ray_dev_t *local = netdev_priv(dev);
2238         UCHAR *rx_ptr;
2239         int total_len;
2240         int tmp;
2241 #ifdef WIRELESS_SPY
2242         int siglev = local->last_rsl;
2243         u_char linksrcaddr[ETH_ALEN];   /* Other end of the wireless link */
2244 #endif
2245
2246         if (!sniffer) {
2247                 if (translate) {
2248 /* TBD length needs fixing for translated header */
2249                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2250                             rx_len >
2251                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2252                              FCS_LEN)) {
2253                                 pr_debug(
2254                                       "ray_cs invalid packet length %d received \n",
2255                                       rx_len);
2256                                 return;
2257                         }
2258                 } else { /* encapsulated ethernet */
2259
2260                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2261                             rx_len >
2262                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2263                              FCS_LEN)) {
2264                                 pr_debug(
2265                                       "ray_cs invalid packet length %d received \n",
2266                                       rx_len);
2267                                 return;
2268                         }
2269                 }
2270         }
2271         pr_debug("ray_cs rx_data packet\n");
2272         /* If fragmented packet, verify sizes of fragments add up */
2273         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2274                 pr_debug("ray_cs rx'ed fragment\n");
2275                 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2276                     + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2277                 total_len = tmp;
2278                 prcslink = prcs;
2279                 do {
2280                         tmp -=
2281                             (readb(&prcslink->var.rx_packet.rx_data_length[0])
2282                              << 8)
2283                             + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2284                         if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2285                             == 0xFF || tmp < 0)
2286                                 break;
2287                         prcslink = rcs_base(local)
2288                             + readb(&prcslink->link_field);
2289                 } while (1);
2290
2291                 if (tmp < 0) {
2292                         pr_debug(
2293                               "ray_cs rx_data fragment lengths don't add up\n");
2294                         local->stats.rx_dropped++;
2295                         release_frag_chain(local, prcs);
2296                         return;
2297                 }
2298         } else { /* Single unfragmented packet */
2299                 total_len = rx_len;
2300         }
2301
2302         skb = dev_alloc_skb(total_len + 5);
2303         if (skb == NULL) {
2304                 pr_debug("ray_cs rx_data could not allocate skb\n");
2305                 local->stats.rx_dropped++;
2306                 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2307                         release_frag_chain(local, prcs);
2308                 return;
2309         }
2310         skb_reserve(skb, 2);    /* Align IP on 16 byte (TBD check this) */
2311
2312         pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2313               rx_len);
2314
2315 /************************/
2316         /* Reserve enough room for the whole damn packet. */
2317         rx_ptr = skb_put(skb, total_len);
2318         /* Copy the whole packet to sk_buff */
2319         rx_ptr +=
2320             copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2321         /* Get source address */
2322 #ifdef WIRELESS_SPY
2323         skb_copy_from_linear_data_offset(skb,
2324                                          offsetof(struct mac_header, addr_2),
2325                                          linksrcaddr, ETH_ALEN);
2326 #endif
2327         /* Now, deal with encapsulation/translation/sniffer */
2328         if (!sniffer) {
2329                 if (!translate) {
2330                         /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2331 /* TBD reserve            skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2332                         skb_pull(skb, RX_MAC_HEADER_LENGTH);
2333                 } else {
2334                         /* Do translation */
2335                         untranslate(local, skb, total_len);
2336                 }
2337         } else { /* sniffer mode, so just pass whole packet */
2338         };
2339
2340 /************************/
2341         /* Now pick up the rest of the fragments if any */
2342         tmp = 17;
2343         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2344                 prcslink = prcs;
2345                 pr_debug("ray_cs rx_data in fragment loop\n");
2346                 do {
2347                         prcslink = rcs_base(local)
2348                             +
2349                             readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2350                         rx_len =
2351                             ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2352                               << 8)
2353                              +
2354                              readb(&prcslink->var.rx_packet.rx_data_length[1]))
2355                             & RX_BUFF_END;
2356                         pkt_addr =
2357                             ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2358                               8)
2359                              + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2360                             & RX_BUFF_END;
2361
2362                         rx_ptr +=
2363                             copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2364
2365                 } while (tmp-- &&
2366                          readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2367                          0xFF);
2368                 release_frag_chain(local, prcs);
2369         }
2370
2371         skb->protocol = eth_type_trans(skb, dev);
2372         netif_rx(skb);
2373         local->stats.rx_packets++;
2374         local->stats.rx_bytes += total_len;
2375
2376         /* Gather signal strength per address */
2377 #ifdef WIRELESS_SPY
2378         /* For the Access Point or the node having started the ad-hoc net
2379          * note : ad-hoc work only in some specific configurations, but we
2380          * kludge in ray_get_wireless_stats... */
2381         if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2382                 /* Update statistics */
2383                 /*local->wstats.qual.qual = none ? */
2384                 local->wstats.qual.level = siglev;
2385                 /*local->wstats.qual.noise = none ? */
2386                 local->wstats.qual.updated = 0x2;
2387         }
2388         /* Now, update the spy stuff */
2389         {
2390                 struct iw_quality wstats;
2391                 wstats.level = siglev;
2392                 /* wstats.noise = none ? */
2393                 /* wstats.qual = none ? */
2394                 wstats.updated = 0x2;
2395                 /* Update spy records */
2396                 wireless_spy_update(dev, linksrcaddr, &wstats);
2397         }
2398 #endif /* WIRELESS_SPY */
2399 } /* end rx_data */
2400
2401 /*===========================================================================*/
2402 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2403 {
2404         snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2405         struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2406         __be16 type = *(__be16 *) psnap->ethertype;
2407         int delta;
2408         struct ethhdr *peth;
2409         UCHAR srcaddr[ADDRLEN];
2410         UCHAR destaddr[ADDRLEN];
2411         static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2412         static UCHAR org_1042[3] = { 0, 0, 0 };
2413
2414         memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2415         memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2416
2417 #if 0
2418         if {
2419                 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2420                                DUMP_PREFIX_NONE, 16, 1,
2421                                skb->data, 64, true);
2422                 printk(KERN_DEBUG
2423                        "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2424                        ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2425                        psnap->org[0], psnap->org[1], psnap->org[2]);
2426                 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2427         }
2428 #endif
2429
2430         if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2431                 /* not a snap type so leave it alone */
2432                 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2433                       psnap->dsap, psnap->ssap, psnap->ctrl);
2434
2435                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2436                 peth = (struct ethhdr *)(skb->data + delta);
2437                 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2438         } else { /* Its a SNAP */
2439                 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2440                 /* EtherII and nuke the LLC */
2441                         pr_debug("ray_cs untranslate Bridge encap\n");
2442                         delta = RX_MAC_HEADER_LENGTH
2443                             + sizeof(struct snaphdr_t) - ETH_HLEN;
2444                         peth = (struct ethhdr *)(skb->data + delta);
2445                         peth->h_proto = type;
2446                 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2447                         switch (ntohs(type)) {
2448                         case ETH_P_IPX:
2449                         case ETH_P_AARP:
2450                                 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2451                                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2452                                 peth = (struct ethhdr *)(skb->data + delta);
2453                                 peth->h_proto =
2454                                     htons(len - RX_MAC_HEADER_LENGTH);
2455                                 break;
2456                         default:
2457                                 pr_debug("ray_cs untranslate RFC default\n");
2458                                 delta = RX_MAC_HEADER_LENGTH +
2459                                     sizeof(struct snaphdr_t) - ETH_HLEN;
2460                                 peth = (struct ethhdr *)(skb->data + delta);
2461                                 peth->h_proto = type;
2462                                 break;
2463                         }
2464                 } else {
2465                         printk("ray_cs untranslate very confused by packet\n");
2466                         delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2467                         peth = (struct ethhdr *)(skb->data + delta);
2468                         peth->h_proto = type;
2469                 }
2470         }
2471 /* TBD reserve  skb_reserve(skb, delta); */
2472         skb_pull(skb, delta);
2473         pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2474               skb->data);
2475         memcpy(peth->h_dest, destaddr, ADDRLEN);
2476         memcpy(peth->h_source, srcaddr, ADDRLEN);
2477 #if 0
2478         {
2479                 int i;
2480                 printk(KERN_DEBUG "skb->data after untranslate:");
2481                 for (i = 0; i < 64; i++)
2482                         printk("%02x ", skb->data[i]);
2483                 printk("\n");
2484         }
2485 #endif
2486 } /* end untranslate */
2487
2488 /*===========================================================================*/
2489 /* Copy data from circular receive buffer to PC memory.
2490  * dest     = destination address in PC memory
2491  * pkt_addr = source address in receive buffer
2492  * len      = length of packet to copy
2493  */
2494 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2495                              int length)
2496 {
2497         int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2498         if (wrap_bytes <= 0) {
2499                 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2500         } else { /* Packet wrapped in circular buffer */
2501
2502                 memcpy_fromio(dest, local->rmem + pkt_addr,
2503                               length - wrap_bytes);
2504                 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2505                               wrap_bytes);
2506         }
2507         return length;
2508 }
2509
2510 /*===========================================================================*/
2511 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2512 {
2513         struct rcs __iomem *prcslink = prcs;
2514         int tmp = 17;
2515         unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2516
2517         while (tmp--) {
2518                 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2519                 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2520                         pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2521                               rcsindex);
2522                         break;
2523                 }
2524                 prcslink = rcs_base(local) + rcsindex;
2525                 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2526         }
2527         writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2528 }
2529
2530 /*===========================================================================*/
2531 static void authenticate(ray_dev_t *local)
2532 {
2533         struct pcmcia_device *link = local->finder;
2534         dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2535         if (!(pcmcia_dev_present(link))) {
2536                 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2537                 return;
2538         }
2539
2540         del_timer(&local->timer);
2541         if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2542                 local->timer.function = &join_net;
2543         } else {
2544                 local->timer.function = &authenticate_timeout;
2545         }
2546         local->timer.expires = jiffies + HZ * 2;
2547         local->timer.data = (long)local;
2548         add_timer(&local->timer);
2549         local->authentication_state = AWAITING_RESPONSE;
2550 } /* end authenticate */
2551
2552 /*===========================================================================*/
2553 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2554                             unsigned int pkt_addr, int rx_len)
2555 {
2556         UCHAR buff[256];
2557         struct rx_msg *msg = (struct rx_msg *)buff;
2558
2559         del_timer(&local->timer);
2560
2561         copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2562         /* if we are trying to get authenticated */
2563         if (local->sparm.b4.a_network_type == ADHOC) {
2564                 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2565                       msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2566                       msg->var[4], msg->var[5]);
2567                 if (msg->var[2] == 1) {
2568                         pr_debug("ray_cs Sending authentication response.\n");
2569                         if (!build_auth_frame
2570                             (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2571                                 local->authentication_state = NEED_TO_AUTH;
2572                                 memcpy(local->auth_id, msg->mac.addr_2,
2573                                        ADDRLEN);
2574                         }
2575                 }
2576         } else { /* Infrastructure network */
2577
2578                 if (local->authentication_state == AWAITING_RESPONSE) {
2579                         /* Verify authentication sequence #2 and success */
2580                         if (msg->var[2] == 2) {
2581                                 if ((msg->var[3] | msg->var[4]) == 0) {
2582                                         pr_debug("Authentication successful\n");
2583                                         local->card_status = CARD_AUTH_COMPLETE;
2584                                         associate(local);
2585                                         local->authentication_state =
2586                                             AUTHENTICATED;
2587                                 } else {
2588                                         pr_debug("Authentication refused\n");
2589                                         local->card_status = CARD_AUTH_REFUSED;
2590                                         join_net((u_long) local);
2591                                         local->authentication_state =
2592                                             UNAUTHENTICATED;
2593                                 }
2594                         }
2595                 }
2596         }
2597
2598 } /* end rx_authenticate */
2599
2600 /*===========================================================================*/
2601 static void associate(ray_dev_t *local)
2602 {
2603         struct ccs __iomem *pccs;
2604         struct pcmcia_device *link = local->finder;
2605         struct net_device *dev = link->priv;
2606         int ccsindex;
2607         if (!(pcmcia_dev_present(link))) {
2608                 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2609                 return;
2610         }
2611         /* If no tx buffers available, return */
2612         if ((ccsindex = get_free_ccs(local)) < 0) {
2613 /* TBD should never be here but... what if we are? */
2614                 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2615                 return;
2616         }
2617         dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2618         pccs = ccs_base(local) + ccsindex;
2619         /* fill in the CCS */
2620         writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2621         /* Interrupt the firmware to process the command */
2622         if (interrupt_ecf(local, ccsindex)) {
2623                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2624                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2625
2626                 del_timer(&local->timer);
2627                 local->timer.expires = jiffies + HZ * 2;
2628                 local->timer.data = (long)local;
2629                 local->timer.function = &join_net;
2630                 add_timer(&local->timer);
2631                 local->card_status = CARD_ASSOC_FAILED;
2632                 return;
2633         }
2634         if (!sniffer)
2635                 netif_start_queue(dev);
2636
2637 } /* end associate */
2638
2639 /*===========================================================================*/
2640 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2641                               unsigned int pkt_addr, int rx_len)
2642 {
2643 /*  UCHAR buff[256];
2644     struct rx_msg *msg = (struct rx_msg *)buff;
2645 */
2646         pr_debug("Deauthentication frame received\n");
2647         local->authentication_state = UNAUTHENTICATED;
2648         /* Need to reauthenticate or rejoin depending on reason code */
2649 /*  copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2650  */
2651 }
2652
2653 /*===========================================================================*/
2654 static void clear_interrupt(ray_dev_t *local)
2655 {
2656         writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2657 }
2658
2659 /*===========================================================================*/
2660 #ifdef CONFIG_PROC_FS
2661 #define MAXDATA (PAGE_SIZE - 80)
2662
2663 static char *card_status[] = {
2664         "Card inserted - uninitialized",        /* 0 */
2665         "Card not downloaded",                  /* 1 */
2666         "Waiting for download parameters",      /* 2 */
2667         "Card doing acquisition",               /* 3 */
2668         "Acquisition complete",                 /* 4 */
2669         "Authentication complete",              /* 5 */
2670         "Association complete",                 /* 6 */
2671         "???", "???", "???", "???",             /* 7 8 9 10 undefined */
2672         "Card init error",                      /* 11 */
2673         "Download parameters error",            /* 12 */
2674         "???",                                  /* 13 */
2675         "Acquisition failed",                   /* 14 */
2676         "Authentication refused",               /* 15 */
2677         "Association failed"                    /* 16 */
2678 };
2679
2680 static char *nettype[] = { "Adhoc", "Infra " };
2681 static char *framing[] = { "Encapsulation", "Translation" }
2682
2683 ;
2684 /*===========================================================================*/
2685 static int ray_cs_proc_show(struct seq_file *m, void *v)
2686 {
2687 /* Print current values which are not available via other means
2688  * eg ifconfig
2689  */
2690         int i;
2691         struct pcmcia_device *link;
2692         struct net_device *dev;
2693         ray_dev_t *local;
2694         UCHAR *p;
2695         struct freq_hop_element *pfh;
2696         UCHAR c[33];
2697
2698         link = this_device;
2699         if (!link)
2700                 return 0;
2701         dev = (struct net_device *)link->priv;
2702         if (!dev)
2703                 return 0;
2704         local = netdev_priv(dev);
2705         if (!local)
2706                 return 0;
2707
2708         seq_puts(m, "Raylink Wireless LAN driver status\n");
2709         seq_printf(m, "%s\n", rcsid);
2710         /* build 4 does not report version, and field is 0x55 after memtest */
2711         seq_puts(m, "Firmware version     = ");
2712         if (local->fw_ver == 0x55)
2713                 seq_puts(m, "4 - Use dump_cis for more details\n");
2714         else
2715                 seq_printf(m, "%2d.%02d.%02d\n",
2716                            local->fw_ver, local->fw_bld, local->fw_var);
2717
2718         for (i = 0; i < 32; i++)
2719                 c[i] = local->sparm.b5.a_current_ess_id[i];
2720         c[32] = 0;
2721         seq_printf(m, "%s network ESSID = \"%s\"\n",
2722                    nettype[local->sparm.b5.a_network_type], c);
2723
2724         p = local->bss_id;
2725         seq_printf(m, "BSSID                = %pM\n", p);
2726
2727         seq_printf(m, "Country code         = %d\n",
2728                    local->sparm.b5.a_curr_country_code);
2729
2730         i = local->card_status;
2731         if (i < 0)
2732                 i = 10;
2733         if (i > 16)
2734                 i = 10;
2735         seq_printf(m, "Card status          = %s\n", card_status[i]);
2736
2737         seq_printf(m, "Framing mode         = %s\n", framing[translate]);
2738
2739         seq_printf(m, "Last pkt signal lvl  = %d\n", local->last_rsl);
2740
2741         if (local->beacon_rxed) {
2742                 /* Pull some fields out of last beacon received */
2743                 seq_printf(m, "Beacon Interval      = %d Kus\n",
2744                            local->last_bcn.beacon_intvl[0]
2745                            + 256 * local->last_bcn.beacon_intvl[1]);
2746
2747                 p = local->last_bcn.elements;
2748                 if (p[0] == C_ESSID_ELEMENT_ID)
2749                         p += p[1] + 2;
2750                 else {
2751                         seq_printf(m,
2752                                    "Parse beacon failed at essid element id = %d\n",
2753                                    p[0]);
2754                         return 0;
2755                 }
2756
2757                 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2758                         seq_puts(m, "Supported rate codes = ");
2759                         for (i = 2; i < p[1] + 2; i++)
2760                                 seq_printf(m, "0x%02x ", p[i]);
2761                         seq_putc(m, '\n');
2762                         p += p[1] + 2;
2763                 } else {
2764                         seq_puts(m, "Parse beacon failed at rates element\n");
2765                         return 0;
2766                 }
2767
2768                 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2769                         pfh = (struct freq_hop_element *)p;
2770                         seq_printf(m, "Hop dwell            = %d Kus\n",
2771                                    pfh->dwell_time[0] +
2772                                    256 * pfh->dwell_time[1]);
2773                         seq_printf(m, "Hop set              = %d \n",
2774                                    pfh->hop_set);
2775                         seq_printf(m, "Hop pattern          = %d \n",
2776                                    pfh->hop_pattern);
2777                         seq_printf(m, "Hop index            = %d \n",
2778                                    pfh->hop_index);
2779                         p += p[1] + 2;
2780                 } else {
2781                         seq_puts(m,
2782                                  "Parse beacon failed at FH param element\n");
2783                         return 0;
2784                 }
2785         } else {
2786                 seq_puts(m, "No beacons received\n");
2787         }
2788         return 0;
2789 }
2790
2791 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2792 {
2793         return single_open(file, ray_cs_proc_show, NULL);
2794 }
2795
2796 static const struct file_operations ray_cs_proc_fops = {
2797         .owner = THIS_MODULE,
2798         .open = ray_cs_proc_open,
2799         .read = seq_read,
2800         .llseek = seq_lseek,
2801         .release = single_release,
2802 };
2803 #endif
2804 /*===========================================================================*/
2805 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2806 {
2807         int addr;
2808         struct ccs __iomem *pccs;
2809         struct tx_msg __iomem *ptx;
2810         int ccsindex;
2811
2812         /* If no tx buffers available, return */
2813         if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2814                 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2815                 return -1;
2816         }
2817
2818         pccs = ccs_base(local) + ccsindex;
2819
2820         /* Address in card space */
2821         addr = TX_BUF_BASE + (ccsindex << 11);
2822         /* fill in the CCS */
2823         writeb(CCS_TX_REQUEST, &pccs->cmd);
2824         writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2825         writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2826         writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2827         writeb(TX_AUTHENTICATE_LENGTH_LSB,
2828                pccs->var.tx_request.tx_data_length + 1);
2829         writeb(0, &pccs->var.tx_request.pow_sav_mode);
2830
2831         ptx = local->sram + addr;
2832         /* fill in the mac header */
2833         writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2834         writeb(0, &ptx->mac.frame_ctl_2);
2835
2836         memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2837         memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2838         memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2839
2840         /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2841         memset_io(ptx->var, 0, 6);
2842         writeb(auth_type & 0xff, ptx->var + 2);
2843
2844         /* Interrupt the firmware to process the command */
2845         if (interrupt_ecf(local, ccsindex)) {
2846                 pr_debug(
2847                       "ray_cs send authentication request failed - ECF not ready for intr\n");
2848                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2849                 return -1;
2850         }
2851         return 0;
2852 } /* End build_auth_frame */
2853
2854 /*===========================================================================*/
2855 #ifdef CONFIG_PROC_FS
2856 static ssize_t ray_cs_essid_proc_write(struct file *file,
2857                 const char __user *buffer, size_t count, loff_t *pos)
2858 {
2859         static char proc_essid[33];
2860         unsigned int len = count;
2861
2862         if (len > 32)
2863                 len = 32;
2864         memset(proc_essid, 0, 33);
2865         if (copy_from_user(proc_essid, buffer, len))
2866                 return -EFAULT;
2867         essid = proc_essid;
2868         return count;
2869 }
2870
2871 static const struct file_operations ray_cs_essid_proc_fops = {
2872         .owner          = THIS_MODULE,
2873         .write          = ray_cs_essid_proc_write,
2874 };
2875
2876 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2877                               size_t count, loff_t *pos)
2878 {
2879         static char proc_number[10];
2880         char *p;
2881         int nr, len;
2882
2883         if (!count)
2884                 return 0;
2885
2886         if (count > 9)
2887                 return -EINVAL;
2888         if (copy_from_user(proc_number, buffer, count))
2889                 return -EFAULT;
2890         p = proc_number;
2891         nr = 0;
2892         len = count;
2893         do {
2894                 unsigned int c = *p - '0';
2895                 if (c > 9)
2896                         return -EINVAL;
2897                 nr = nr * 10 + c;
2898                 p++;
2899         } while (--len);
2900         *(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
2901         return count;
2902 }
2903
2904 static const struct file_operations int_proc_fops = {
2905         .owner          = THIS_MODULE,
2906         .write          = int_proc_write,
2907 };
2908 #endif
2909
2910 static struct pcmcia_device_id ray_ids[] = {
2911         PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2912         PCMCIA_DEVICE_NULL,
2913 };
2914
2915 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2916
2917 static struct pcmcia_driver ray_driver = {
2918         .owner = THIS_MODULE,
2919         .drv = {
2920                 .name = "ray_cs",
2921                 },
2922         .probe = ray_probe,
2923         .remove = ray_detach,
2924         .id_table = ray_ids,
2925         .suspend = ray_suspend,
2926         .resume = ray_resume,
2927 };
2928
2929 static int __init init_ray_cs(void)
2930 {
2931         int rc;
2932
2933         pr_debug("%s\n", rcsid);
2934         rc = pcmcia_register_driver(&ray_driver);
2935         pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2936               rc);
2937
2938 #ifdef CONFIG_PROC_FS
2939         proc_mkdir("driver/ray_cs", NULL);
2940
2941         proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2942         proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2943         proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2944         proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2945 #endif
2946         if (translate != 0)
2947                 translate = 1;
2948         return 0;
2949 } /* init_ray_cs */
2950
2951 /*===========================================================================*/
2952
2953 static void __exit exit_ray_cs(void)
2954 {
2955         pr_debug("ray_cs: cleanup_module\n");
2956
2957 #ifdef CONFIG_PROC_FS
2958         remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2959         remove_proc_entry("driver/ray_cs/essid", NULL);
2960         remove_proc_entry("driver/ray_cs/net_type", NULL);
2961         remove_proc_entry("driver/ray_cs/translate", NULL);
2962         remove_proc_entry("driver/ray_cs", NULL);
2963 #endif
2964
2965         pcmcia_unregister_driver(&ray_driver);
2966 } /* exit_ray_cs */
2967
2968 module_init(init_ray_cs);
2969 module_exit(exit_ray_cs);
2970
2971 /*===========================================================================*/