Version:  2.0.40 2.2.26 2.4.37 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16

Linux/drivers/net/wireless/ray_cs.c

  1 /*=============================================================================
  2  *
  3  * A  PCMCIA client driver for the Raylink wireless LAN card.
  4  * The starting point for this module was the skeleton.c in the
  5  * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
  6  *
  7  *
  8  * Copyright (c) 1998  Corey Thomas (corey@world.std.com)
  9  *
 10  * This driver is free software; you can redistribute it and/or modify
 11  * it under the terms of version 2 only of the GNU General Public License as
 12  * published by the Free Software Foundation.
 13  *
 14  * It is distributed in the hope that it will be useful,
 15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17  * GNU General Public License for more details.
 18  *
 19  * You should have received a copy of the GNU General Public License
 20  * along with this program; if not, see <http://www.gnu.org/licenses/>.
 21  *
 22  * Changes:
 23  * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
 24  * - reorganize kmallocs in ray_attach, checking all for failure
 25  *   and releasing the previous allocations if one fails
 26  *
 27  * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
 28  * - Audit copy_to_user in ioctl(SIOCGIWESSID)
 29  *
 30 =============================================================================*/
 31 
 32 #include <linux/module.h>
 33 #include <linux/kernel.h>
 34 #include <linux/proc_fs.h>
 35 #include <linux/ptrace.h>
 36 #include <linux/seq_file.h>
 37 #include <linux/string.h>
 38 #include <linux/timer.h>
 39 #include <linux/init.h>
 40 #include <linux/netdevice.h>
 41 #include <linux/etherdevice.h>
 42 #include <linux/if_arp.h>
 43 #include <linux/ioport.h>
 44 #include <linux/skbuff.h>
 45 #include <linux/ieee80211.h>
 46 
 47 #include <pcmcia/cistpl.h>
 48 #include <pcmcia/cisreg.h>
 49 #include <pcmcia/ds.h>
 50 
 51 #include <linux/wireless.h>
 52 #include <net/iw_handler.h>
 53 
 54 #include <asm/io.h>
 55 #include <asm/byteorder.h>
 56 #include <asm/uaccess.h>
 57 
 58 /* Warning : these stuff will slow down the driver... */
 59 #define WIRELESS_SPY            /* Enable spying addresses */
 60 /* Definitions we need for spy */
 61 typedef struct iw_statistics iw_stats;
 62 typedef u_char mac_addr[ETH_ALEN];      /* Hardware address */
 63 
 64 #include "rayctl.h"
 65 #include "ray_cs.h"
 66 
 67 
 68 /** Prototypes based on PCMCIA skeleton driver *******************************/
 69 static int ray_config(struct pcmcia_device *link);
 70 static void ray_release(struct pcmcia_device *link);
 71 static void ray_detach(struct pcmcia_device *p_dev);
 72 
 73 /***** Prototypes indicated by device structure ******************************/
 74 static int ray_dev_close(struct net_device *dev);
 75 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
 76 static struct net_device_stats *ray_get_stats(struct net_device *dev);
 77 static int ray_dev_init(struct net_device *dev);
 78 
 79 static int ray_open(struct net_device *dev);
 80 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
 81                                             struct net_device *dev);
 82 static void set_multicast_list(struct net_device *dev);
 83 static void ray_update_multi_list(struct net_device *dev, int all);
 84 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
 85                            unsigned char *data, int len);
 86 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
 87                              UCHAR msg_type, unsigned char *data);
 88 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
 89 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
 90 static const struct iw_handler_def ray_handler_def;
 91 
 92 /***** Prototypes for raylink functions **************************************/
 93 static void authenticate(ray_dev_t *local);
 94 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
 95 static void authenticate_timeout(u_long);
 96 static int get_free_ccs(ray_dev_t *local);
 97 static int get_free_tx_ccs(ray_dev_t *local);
 98 static void init_startup_params(ray_dev_t *local);
 99 static int parse_addr(char *in_str, UCHAR *out);
100 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
101 static int ray_init(struct net_device *dev);
102 static int interrupt_ecf(ray_dev_t *local, int ccs);
103 static void ray_reset(struct net_device *dev);
104 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
105 static void verify_dl_startup(u_long);
106 
107 /* Prototypes for interrpt time functions **********************************/
108 static irqreturn_t ray_interrupt(int reg, void *dev_id);
109 static void clear_interrupt(ray_dev_t *local);
110 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
111                               unsigned int pkt_addr, int rx_len);
112 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
113 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
114 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
115 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
116                             unsigned int pkt_addr, int rx_len);
117 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
118                     unsigned int pkt_addr, int rx_len);
119 static void associate(ray_dev_t *local);
120 
121 /* Card command functions */
122 static int dl_startup_params(struct net_device *dev);
123 static void join_net(u_long local);
124 static void start_net(u_long local);
125 /* void start_net(ray_dev_t *local); */
126 
127 /*===========================================================================*/
128 /* Parameters that can be set with 'insmod' */
129 
130 /* ADHOC=0, Infrastructure=1 */
131 static int net_type = ADHOC;
132 
133 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
134 static int hop_dwell = 128;
135 
136 /* Beacon period in Kus */
137 static int beacon_period = 256;
138 
139 /* power save mode (0 = off, 1 = save power) */
140 static int psm;
141 
142 /* String for network's Extended Service Set ID. 32 Characters max */
143 static char *essid;
144 
145 /* Default to encapsulation unless translation requested */
146 static bool translate = 1;
147 
148 static int country = USA;
149 
150 static int sniffer;
151 
152 static int bc;
153 
154 /* 48 bit physical card address if overriding card's real physical
155  * address is required.  Since IEEE 802.11 addresses are 48 bits
156  * like ethernet, an int can't be used, so a string is used. To
157  * allow use of addresses starting with a decimal digit, the first
158  * character must be a letter and will be ignored. This letter is
159  * followed by up to 12 hex digits which are the address.  If less
160  * than 12 digits are used, the address will be left filled with 0's.
161  * Note that bit 0 of the first byte is the broadcast bit, and evil
162  * things will happen if it is not 0 in a card address.
163  */
164 static char *phy_addr = NULL;
165 
166 static unsigned int ray_mem_speed = 500;
167 
168 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
169 static struct pcmcia_device *this_device = NULL;
170 
171 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
172 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
173 MODULE_LICENSE("GPL");
174 
175 module_param(net_type, int, 0);
176 module_param(hop_dwell, int, 0);
177 module_param(beacon_period, int, 0);
178 module_param(psm, int, 0);
179 module_param(essid, charp, 0);
180 module_param(translate, bool, 0);
181 module_param(country, int, 0);
182 module_param(sniffer, int, 0);
183 module_param(bc, int, 0);
184 module_param(phy_addr, charp, 0);
185 module_param(ray_mem_speed, int, 0);
186 
187 static const UCHAR b5_default_startup_parms[] = {
188         0, 0,                   /* Adhoc station */
189         'L', 'I', 'N', 'U', 'X', 0, 0, 0,       /* 32 char ESSID */
190         0, 0, 0, 0, 0, 0, 0, 0,
191         0, 0, 0, 0, 0, 0, 0, 0,
192         0, 0, 0, 0, 0, 0, 0, 0,
193         1, 0,                   /* Active scan, CA Mode */
194         0, 0, 0, 0, 0, 0,       /* No default MAC addr  */
195         0x7f, 0xff,             /* Frag threshold */
196         0x00, 0x80,             /* Hop time 128 Kus */
197         0x01, 0x00,             /* Beacon period 256 Kus */
198         0x01, 0x07, 0xa3,       /* DTIM, retries, ack timeout */
199         0x1d, 0x82, 0x4e,       /* SIFS, DIFS, PIFS */
200         0x7f, 0xff,             /* RTS threshold */
201         0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
202         0x05,                   /* assoc resp timeout thresh */
203         0x08, 0x02, 0x08,       /* adhoc, infra, super cycle max */
204         0,                      /* Promiscuous mode */
205         0x0c, 0x0bd,            /* Unique word */
206         0x32,                   /* Slot time */
207         0xff, 0xff,             /* roam-low snr, low snr count */
208         0x05, 0xff,             /* Infra, adhoc missed bcn thresh */
209         0x01, 0x0b, 0x4f,       /* USA, hop pattern, hop pat length */
210 /* b4 - b5 differences start here */
211         0x00, 0x3f,             /* CW max */
212         0x00, 0x0f,             /* CW min */
213         0x04, 0x08,             /* Noise gain, limit offset */
214         0x28, 0x28,             /* det rssi, med busy offsets */
215         7,                      /* det sync thresh */
216         0, 2, 2,                /* test mode, min, max */
217         0,                      /* allow broadcast SSID probe resp */
218         0, 0,                   /* privacy must start, can join */
219         2, 0, 0, 0, 0, 0, 0, 0  /* basic rate set */
220 };
221 
222 static const UCHAR b4_default_startup_parms[] = {
223         0, 0,                   /* Adhoc station */
224         'L', 'I', 'N', 'U', 'X', 0, 0, 0,       /* 32 char ESSID */
225         0, 0, 0, 0, 0, 0, 0, 0,
226         0, 0, 0, 0, 0, 0, 0, 0,
227         0, 0, 0, 0, 0, 0, 0, 0,
228         1, 0,                   /* Active scan, CA Mode */
229         0, 0, 0, 0, 0, 0,       /* No default MAC addr  */
230         0x7f, 0xff,             /* Frag threshold */
231         0x02, 0x00,             /* Hop time */
232         0x00, 0x01,             /* Beacon period */
233         0x01, 0x07, 0xa3,       /* DTIM, retries, ack timeout */
234         0x1d, 0x82, 0xce,       /* SIFS, DIFS, PIFS */
235         0x7f, 0xff,             /* RTS threshold */
236         0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
237         0x05,                   /* assoc resp timeout thresh */
238         0x04, 0x02, 0x4,        /* adhoc, infra, super cycle max */
239         0,                      /* Promiscuous mode */
240         0x0c, 0x0bd,            /* Unique word */
241         0x4e,                   /* Slot time (TBD seems wrong) */
242         0xff, 0xff,             /* roam-low snr, low snr count */
243         0x05, 0xff,             /* Infra, adhoc missed bcn thresh */
244         0x01, 0x0b, 0x4e,       /* USA, hop pattern, hop pat length */
245 /* b4 - b5 differences start here */
246         0x3f, 0x0f,             /* CW max, min */
247         0x04, 0x08,             /* Noise gain, limit offset */
248         0x28, 0x28,             /* det rssi, med busy offsets */
249         7,                      /* det sync thresh */
250         0, 2, 2                 /* test mode, min, max */
251 };
252 
253 /*===========================================================================*/
254 static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
255 
256 static const char hop_pattern_length[] = { 1,
257         USA_HOP_MOD, EUROPE_HOP_MOD,
258         JAPAN_HOP_MOD, KOREA_HOP_MOD,
259         SPAIN_HOP_MOD, FRANCE_HOP_MOD,
260         ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
261         JAPAN_TEST_HOP_MOD
262 };
263 
264 static const char rcsid[] =
265     "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
266 
267 static const struct net_device_ops ray_netdev_ops = {
268         .ndo_init               = ray_dev_init,
269         .ndo_open               = ray_open,
270         .ndo_stop               = ray_dev_close,
271         .ndo_start_xmit         = ray_dev_start_xmit,
272         .ndo_set_config         = ray_dev_config,
273         .ndo_get_stats          = ray_get_stats,
274         .ndo_set_rx_mode        = set_multicast_list,
275         .ndo_change_mtu         = eth_change_mtu,
276         .ndo_set_mac_address    = eth_mac_addr,
277         .ndo_validate_addr      = eth_validate_addr,
278 };
279 
280 static int ray_probe(struct pcmcia_device *p_dev)
281 {
282         ray_dev_t *local;
283         struct net_device *dev;
284 
285         dev_dbg(&p_dev->dev, "ray_attach()\n");
286 
287         /* Allocate space for private device-specific data */
288         dev = alloc_etherdev(sizeof(ray_dev_t));
289         if (!dev)
290                 goto fail_alloc_dev;
291 
292         local = netdev_priv(dev);
293         local->finder = p_dev;
294 
295         /* The io structure describes IO port mapping. None used here */
296         p_dev->resource[0]->end = 0;
297         p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
298 
299         /* General socket configuration */
300         p_dev->config_flags |= CONF_ENABLE_IRQ;
301         p_dev->config_index = 1;
302 
303         p_dev->priv = dev;
304 
305         local->finder = p_dev;
306         local->card_status = CARD_INSERTED;
307         local->authentication_state = UNAUTHENTICATED;
308         local->num_multi = 0;
309         dev_dbg(&p_dev->dev, "ray_attach p_dev = %p,  dev = %p,  local = %p, intr = %p\n",
310               p_dev, dev, local, &ray_interrupt);
311 
312         /* Raylink entries in the device structure */
313         dev->netdev_ops = &ray_netdev_ops;
314         dev->wireless_handlers = &ray_handler_def;
315 #ifdef WIRELESS_SPY
316         local->wireless_data.spy_data = &local->spy_data;
317         dev->wireless_data = &local->wireless_data;
318 #endif /* WIRELESS_SPY */
319 
320 
321         dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
322         netif_stop_queue(dev);
323 
324         init_timer(&local->timer);
325 
326         this_device = p_dev;
327         return ray_config(p_dev);
328 
329 fail_alloc_dev:
330         return -ENOMEM;
331 } /* ray_attach */
332 
333 static void ray_detach(struct pcmcia_device *link)
334 {
335         struct net_device *dev;
336         ray_dev_t *local;
337 
338         dev_dbg(&link->dev, "ray_detach\n");
339 
340         this_device = NULL;
341         dev = link->priv;
342 
343         ray_release(link);
344 
345         local = netdev_priv(dev);
346         del_timer_sync(&local->timer);
347 
348         if (link->priv) {
349                 unregister_netdev(dev);
350                 free_netdev(dev);
351         }
352         dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
353 } /* ray_detach */
354 
355 #define MAX_TUPLE_SIZE 128
356 static int ray_config(struct pcmcia_device *link)
357 {
358         int ret = 0;
359         int i;
360         struct net_device *dev = (struct net_device *)link->priv;
361         ray_dev_t *local = netdev_priv(dev);
362 
363         dev_dbg(&link->dev, "ray_config\n");
364 
365         /* Determine card type and firmware version */
366         printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
367                link->prod_id[0] ? link->prod_id[0] : " ",
368                link->prod_id[1] ? link->prod_id[1] : " ",
369                link->prod_id[2] ? link->prod_id[2] : " ",
370                link->prod_id[3] ? link->prod_id[3] : " ");
371 
372         /* Now allocate an interrupt line.  Note that this does not
373            actually assign a handler to the interrupt.
374          */
375         ret = pcmcia_request_irq(link, ray_interrupt);
376         if (ret)
377                 goto failed;
378         dev->irq = link->irq;
379 
380         ret = pcmcia_enable_device(link);
381         if (ret)
382                 goto failed;
383 
384 /*** Set up 32k window for shared memory (transmit and control) ************/
385         link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
386         link->resource[2]->start = 0;
387         link->resource[2]->end = 0x8000;
388         ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed);
389         if (ret)
390                 goto failed;
391         ret = pcmcia_map_mem_page(link, link->resource[2], 0);
392         if (ret)
393                 goto failed;
394         local->sram = ioremap(link->resource[2]->start,
395                         resource_size(link->resource[2]));
396 
397 /*** Set up 16k window for shared memory (receive buffer) ***************/
398         link->resource[3]->flags |=
399             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
400         link->resource[3]->start = 0;
401         link->resource[3]->end = 0x4000;
402         ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
403         if (ret)
404                 goto failed;
405         ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
406         if (ret)
407                 goto failed;
408         local->rmem = ioremap(link->resource[3]->start,
409                         resource_size(link->resource[3]));
410 
411 /*** Set up window for attribute memory ***********************************/
412         link->resource[4]->flags |=
413             WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
414         link->resource[4]->start = 0;
415         link->resource[4]->end = 0x1000;
416         ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
417         if (ret)
418                 goto failed;
419         ret = pcmcia_map_mem_page(link, link->resource[4], 0);
420         if (ret)
421                 goto failed;
422         local->amem = ioremap(link->resource[4]->start,
423                         resource_size(link->resource[4]));
424 
425         dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
426         dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
427         dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
428         if (ray_init(dev) < 0) {
429                 ray_release(link);
430                 return -ENODEV;
431         }
432 
433         SET_NETDEV_DEV(dev, &link->dev);
434         i = register_netdev(dev);
435         if (i != 0) {
436                 printk("ray_config register_netdev() failed\n");
437                 ray_release(link);
438                 return i;
439         }
440 
441         printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
442                dev->name, dev->irq, dev->dev_addr);
443 
444         return 0;
445 
446 failed:
447         ray_release(link);
448         return -ENODEV;
449 } /* ray_config */
450 
451 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
452 {
453         return dev->sram + CCS_BASE;
454 }
455 
456 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
457 {
458         /*
459          * This looks nonsensical, since there is a separate
460          * RCS_BASE. But the difference between a "struct rcs"
461          * and a "struct ccs" ends up being in the _index_ off
462          * the base, so the base pointer is the same for both
463          * ccs/rcs.
464          */
465         return dev->sram + CCS_BASE;
466 }
467 
468 /*===========================================================================*/
469 static int ray_init(struct net_device *dev)
470 {
471         int i;
472         UCHAR *p;
473         struct ccs __iomem *pccs;
474         ray_dev_t *local = netdev_priv(dev);
475         struct pcmcia_device *link = local->finder;
476         dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
477         if (!(pcmcia_dev_present(link))) {
478                 dev_dbg(&link->dev, "ray_init - device not present\n");
479                 return -1;
480         }
481 
482         local->net_type = net_type;
483         local->sta_type = TYPE_STA;
484 
485         /* Copy the startup results to local memory */
486         memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
487                       sizeof(struct startup_res_6));
488 
489         /* Check Power up test status and get mac address from card */
490         if (local->startup_res.startup_word != 0x80) {
491                 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
492                        local->startup_res.startup_word);
493                 local->card_status = CARD_INIT_ERROR;
494                 return -1;
495         }
496 
497         local->fw_ver = local->startup_res.firmware_version[0];
498         local->fw_bld = local->startup_res.firmware_version[1];
499         local->fw_var = local->startup_res.firmware_version[2];
500         dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
501               local->fw_bld);
502 
503         local->tib_length = 0x20;
504         if ((local->fw_ver == 5) && (local->fw_bld >= 30))
505                 local->tib_length = local->startup_res.tib_length;
506         dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
507         /* Initialize CCS's to buffer free state */
508         pccs = ccs_base(local);
509         for (i = 0; i < NUMBER_OF_CCS; i++) {
510                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
511         }
512         init_startup_params(local);
513 
514         /* copy mac address to startup parameters */
515         if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
516                 p = local->sparm.b4.a_mac_addr;
517         } else {
518                 memcpy(&local->sparm.b4.a_mac_addr,
519                        &local->startup_res.station_addr, ADDRLEN);
520                 p = local->sparm.b4.a_mac_addr;
521         }
522 
523         clear_interrupt(local); /* Clear any interrupt from the card */
524         local->card_status = CARD_AWAITING_PARAM;
525         dev_dbg(&link->dev, "ray_init ending\n");
526         return 0;
527 } /* ray_init */
528 
529 /*===========================================================================*/
530 /* Download startup parameters to the card and command it to read them       */
531 static int dl_startup_params(struct net_device *dev)
532 {
533         int ccsindex;
534         ray_dev_t *local = netdev_priv(dev);
535         struct ccs __iomem *pccs;
536         struct pcmcia_device *link = local->finder;
537 
538         dev_dbg(&link->dev, "dl_startup_params entered\n");
539         if (!(pcmcia_dev_present(link))) {
540                 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
541                 return -1;
542         }
543 
544         /* Copy parameters to host to ECF area */
545         if (local->fw_ver == 0x55)
546                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
547                             sizeof(struct b4_startup_params));
548         else
549                 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
550                             sizeof(struct b5_startup_params));
551 
552         /* Fill in the CCS fields for the ECF */
553         if ((ccsindex = get_free_ccs(local)) < 0)
554                 return -1;
555         local->dl_param_ccs = ccsindex;
556         pccs = ccs_base(local) + ccsindex;
557         writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
558         dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
559               local->dl_param_ccs);
560         /* Interrupt the firmware to process the command */
561         if (interrupt_ecf(local, ccsindex)) {
562                 printk(KERN_INFO "ray dl_startup_params failed - "
563                        "ECF not ready for intr\n");
564                 local->card_status = CARD_DL_PARAM_ERROR;
565                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
566                 return -2;
567         }
568         local->card_status = CARD_DL_PARAM;
569         /* Start kernel timer to wait for dl startup to complete. */
570         local->timer.expires = jiffies + HZ / 2;
571         local->timer.data = (long)local;
572         local->timer.function = verify_dl_startup;
573         add_timer(&local->timer);
574         dev_dbg(&link->dev,
575               "ray_cs dl_startup_params started timer for verify_dl_startup\n");
576         return 0;
577 } /* dl_startup_params */
578 
579 /*===========================================================================*/
580 static void init_startup_params(ray_dev_t *local)
581 {
582         int i;
583 
584         if (country > JAPAN_TEST)
585                 country = USA;
586         else if (country < USA)
587                 country = USA;
588         /* structure for hop time and beacon period is defined here using
589          * New 802.11D6.1 format.  Card firmware is still using old format
590          * until version 6.
591          *    Before                    After
592          *    a_hop_time ms byte        a_hop_time ms byte
593          *    a_hop_time 2s byte        a_hop_time ls byte
594          *    a_hop_time ls byte        a_beacon_period ms byte
595          *    a_beacon_period           a_beacon_period ls byte
596          *
597          *    a_hop_time = uS           a_hop_time = KuS
598          *    a_beacon_period = hops    a_beacon_period = KuS
599          *//* 64ms = 010000 */
600         if (local->fw_ver == 0x55) {
601                 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
602                        sizeof(struct b4_startup_params));
603                 /* Translate sane kus input values to old build 4/5 format */
604                 /* i = hop time in uS truncated to 3 bytes */
605                 i = (hop_dwell * 1024) & 0xffffff;
606                 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
607                 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
608                 local->sparm.b4.a_beacon_period[0] = 0;
609                 local->sparm.b4.a_beacon_period[1] =
610                     ((beacon_period / hop_dwell) - 1) & 0xff;
611                 local->sparm.b4.a_curr_country_code = country;
612                 local->sparm.b4.a_hop_pattern_length =
613                     hop_pattern_length[(int)country] - 1;
614                 if (bc) {
615                         local->sparm.b4.a_ack_timeout = 0x50;
616                         local->sparm.b4.a_sifs = 0x3f;
617                 }
618         } else { /* Version 5 uses real kus values */
619                 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
620                        sizeof(struct b5_startup_params));
621 
622                 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
623                 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
624                 local->sparm.b5.a_beacon_period[0] =
625                     (beacon_period >> 8) & 0xff;
626                 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
627                 if (psm)
628                         local->sparm.b5.a_power_mgt_state = 1;
629                 local->sparm.b5.a_curr_country_code = country;
630                 local->sparm.b5.a_hop_pattern_length =
631                     hop_pattern_length[(int)country];
632         }
633 
634         local->sparm.b4.a_network_type = net_type & 0x01;
635         local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
636 
637         if (essid != NULL)
638                 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
639 } /* init_startup_params */
640 
641 /*===========================================================================*/
642 static void verify_dl_startup(u_long data)
643 {
644         ray_dev_t *local = (ray_dev_t *) data;
645         struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
646         UCHAR status;
647         struct pcmcia_device *link = local->finder;
648 
649         if (!(pcmcia_dev_present(link))) {
650                 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
651                 return;
652         }
653 #if 0
654         {
655                 int i;
656                 printk(KERN_DEBUG
657                        "verify_dl_startup parameters sent via ccs %d:\n",
658                        local->dl_param_ccs);
659                 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
660                         printk(" %2x",
661                                (unsigned int)readb(local->sram +
662                                                    HOST_TO_ECF_BASE + i));
663                 }
664                 printk("\n");
665         }
666 #endif
667 
668         status = readb(&pccs->buffer_status);
669         if (status != CCS_BUFFER_FREE) {
670                 printk(KERN_INFO
671                        "Download startup params failed.  Status = %d\n",
672                        status);
673                 local->card_status = CARD_DL_PARAM_ERROR;
674                 return;
675         }
676         if (local->sparm.b4.a_network_type == ADHOC)
677                 start_net((u_long) local);
678         else
679                 join_net((u_long) local);
680 } /* end verify_dl_startup */
681 
682 /*===========================================================================*/
683 /* Command card to start a network */
684 static void start_net(u_long data)
685 {
686         ray_dev_t *local = (ray_dev_t *) data;
687         struct ccs __iomem *pccs;
688         int ccsindex;
689         struct pcmcia_device *link = local->finder;
690         if (!(pcmcia_dev_present(link))) {
691                 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
692                 return;
693         }
694         /* Fill in the CCS fields for the ECF */
695         if ((ccsindex = get_free_ccs(local)) < 0)
696                 return;
697         pccs = ccs_base(local) + ccsindex;
698         writeb(CCS_START_NETWORK, &pccs->cmd);
699         writeb(0, &pccs->var.start_network.update_param);
700         /* Interrupt the firmware to process the command */
701         if (interrupt_ecf(local, ccsindex)) {
702                 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
703                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
704                 return;
705         }
706         local->card_status = CARD_DOING_ACQ;
707 } /* end start_net */
708 
709 /*===========================================================================*/
710 /* Command card to join a network */
711 static void join_net(u_long data)
712 {
713         ray_dev_t *local = (ray_dev_t *) data;
714 
715         struct ccs __iomem *pccs;
716         int ccsindex;
717         struct pcmcia_device *link = local->finder;
718 
719         if (!(pcmcia_dev_present(link))) {
720                 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
721                 return;
722         }
723         /* Fill in the CCS fields for the ECF */
724         if ((ccsindex = get_free_ccs(local)) < 0)
725                 return;
726         pccs = ccs_base(local) + ccsindex;
727         writeb(CCS_JOIN_NETWORK, &pccs->cmd);
728         writeb(0, &pccs->var.join_network.update_param);
729         writeb(0, &pccs->var.join_network.net_initiated);
730         /* Interrupt the firmware to process the command */
731         if (interrupt_ecf(local, ccsindex)) {
732                 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
733                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
734                 return;
735         }
736         local->card_status = CARD_DOING_ACQ;
737 }
738 
739 
740 static void ray_release(struct pcmcia_device *link)
741 {
742         struct net_device *dev = link->priv;
743         ray_dev_t *local = netdev_priv(dev);
744 
745         dev_dbg(&link->dev, "ray_release\n");
746 
747         del_timer(&local->timer);
748 
749         iounmap(local->sram);
750         iounmap(local->rmem);
751         iounmap(local->amem);
752         pcmcia_disable_device(link);
753 
754         dev_dbg(&link->dev, "ray_release ending\n");
755 }
756 
757 static int ray_suspend(struct pcmcia_device *link)
758 {
759         struct net_device *dev = link->priv;
760 
761         if (link->open)
762                 netif_device_detach(dev);
763 
764         return 0;
765 }
766 
767 static int ray_resume(struct pcmcia_device *link)
768 {
769         struct net_device *dev = link->priv;
770 
771         if (link->open) {
772                 ray_reset(dev);
773                 netif_device_attach(dev);
774         }
775 
776         return 0;
777 }
778 
779 /*===========================================================================*/
780 static int ray_dev_init(struct net_device *dev)
781 {
782 #ifdef RAY_IMMEDIATE_INIT
783         int i;
784 #endif /* RAY_IMMEDIATE_INIT */
785         ray_dev_t *local = netdev_priv(dev);
786         struct pcmcia_device *link = local->finder;
787 
788         dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
789         if (!(pcmcia_dev_present(link))) {
790                 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
791                 return -1;
792         }
793 #ifdef RAY_IMMEDIATE_INIT
794         /* Download startup parameters */
795         if ((i = dl_startup_params(dev)) < 0) {
796                 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
797                        "returns 0x%x\n", i);
798                 return -1;
799         }
800 #else /* RAY_IMMEDIATE_INIT */
801         /* Postpone the card init so that we can still configure the card,
802          * for example using the Wireless Extensions. The init will happen
803          * in ray_open() - Jean II */
804         dev_dbg(&link->dev,
805               "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
806               local->card_status);
807 #endif /* RAY_IMMEDIATE_INIT */
808 
809         /* copy mac and broadcast addresses to linux device */
810         memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
811         memset(dev->broadcast, 0xff, ETH_ALEN);
812 
813         dev_dbg(&link->dev, "ray_dev_init ending\n");
814         return 0;
815 }
816 
817 /*===========================================================================*/
818 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
819 {
820         ray_dev_t *local = netdev_priv(dev);
821         struct pcmcia_device *link = local->finder;
822         /* Dummy routine to satisfy device structure */
823         dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
824         if (!(pcmcia_dev_present(link))) {
825                 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
826                 return -1;
827         }
828 
829         return 0;
830 }
831 
832 /*===========================================================================*/
833 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
834                                             struct net_device *dev)
835 {
836         ray_dev_t *local = netdev_priv(dev);
837         struct pcmcia_device *link = local->finder;
838         short length = skb->len;
839 
840         if (!pcmcia_dev_present(link)) {
841                 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
842                 dev_kfree_skb(skb);
843                 return NETDEV_TX_OK;
844         }
845 
846         dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
847         if (local->authentication_state == NEED_TO_AUTH) {
848                 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
849                 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
850                         local->authentication_state = AUTHENTICATED;
851                         netif_stop_queue(dev);
852                         return NETDEV_TX_BUSY;
853                 }
854         }
855 
856         if (length < ETH_ZLEN) {
857                 if (skb_padto(skb, ETH_ZLEN))
858                         return NETDEV_TX_OK;
859                 length = ETH_ZLEN;
860         }
861         switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
862         case XMIT_NO_CCS:
863         case XMIT_NEED_AUTH:
864                 netif_stop_queue(dev);
865                 return NETDEV_TX_BUSY;
866         case XMIT_NO_INTR:
867         case XMIT_MSG_BAD:
868         case XMIT_OK:
869         default:
870                 dev_kfree_skb(skb);
871         }
872 
873         return NETDEV_TX_OK;
874 } /* ray_dev_start_xmit */
875 
876 /*===========================================================================*/
877 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
878                        UCHAR msg_type)
879 {
880         ray_dev_t *local = netdev_priv(dev);
881         struct ccs __iomem *pccs;
882         int ccsindex;
883         int offset;
884         struct tx_msg __iomem *ptx;     /* Address of xmit buffer in PC space */
885         short int addr;         /* Address of xmit buffer in card space */
886 
887         pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
888         if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
889                 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
890                        len);
891                 return XMIT_MSG_BAD;
892         }
893         switch (ccsindex = get_free_tx_ccs(local)) {
894         case ECCSBUSY:
895                 pr_debug("ray_hw_xmit tx_ccs table busy\n");
896         case ECCSFULL:
897                 pr_debug("ray_hw_xmit No free tx ccs\n");
898         case ECARDGONE:
899                 netif_stop_queue(dev);
900                 return XMIT_NO_CCS;
901         default:
902                 break;
903         }
904         addr = TX_BUF_BASE + (ccsindex << 11);
905 
906         if (msg_type == DATA_TYPE) {
907                 local->stats.tx_bytes += len;
908                 local->stats.tx_packets++;
909         }
910 
911         ptx = local->sram + addr;
912 
913         ray_build_header(local, ptx, msg_type, data);
914         if (translate) {
915                 offset = translate_frame(local, ptx, data, len);
916         } else { /* Encapsulate frame */
917                 /* TBD TIB length will move address of ptx->var */
918                 memcpy_toio(&ptx->var, data, len);
919                 offset = 0;
920         }
921 
922         /* fill in the CCS */
923         pccs = ccs_base(local) + ccsindex;
924         len += TX_HEADER_LENGTH + offset;
925         writeb(CCS_TX_REQUEST, &pccs->cmd);
926         writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
927         writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
928         writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
929         writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
930 /* TBD still need psm_cam? */
931         writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
932         writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
933         writeb(0, &pccs->var.tx_request.antenna);
934         pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
935               local->net_default_tx_rate);
936 
937         /* Interrupt the firmware to process the command */
938         if (interrupt_ecf(local, ccsindex)) {
939                 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
940 /* TBD very inefficient to copy packet to buffer, and then not
941    send it, but the alternative is to queue the messages and that
942    won't be done for a while.  Maybe set tbusy until a CCS is free?
943 */
944                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
945                 return XMIT_NO_INTR;
946         }
947         return XMIT_OK;
948 } /* end ray_hw_xmit */
949 
950 /*===========================================================================*/
951 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
952                            unsigned char *data, int len)
953 {
954         __be16 proto = ((struct ethhdr *)data)->h_proto;
955         if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
956                 pr_debug("ray_cs translate_frame DIX II\n");
957                 /* Copy LLC header to card buffer */
958                 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
959                 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
960                             (UCHAR *) &proto, 2);
961                 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
962                         /* This is the selective translation table, only 2 entries */
963                         writeb(0xf8,
964                                &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
965                 }
966                 /* Copy body of ethernet packet without ethernet header */
967                 memcpy_toio((void __iomem *)&ptx->var +
968                             sizeof(struct snaphdr_t), data + ETH_HLEN,
969                             len - ETH_HLEN);
970                 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
971         } else { /* already  802 type, and proto is length */
972                 pr_debug("ray_cs translate_frame 802\n");
973                 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
974                         pr_debug("ray_cs translate_frame evil IPX\n");
975                         memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
976                         return 0 - ETH_HLEN;
977                 }
978                 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
979                 return 0 - ETH_HLEN;
980         }
981         /* TBD do other frame types */
982 } /* end translate_frame */
983 
984 /*===========================================================================*/
985 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
986                              UCHAR msg_type, unsigned char *data)
987 {
988         writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
989 /*** IEEE 802.11 Address field assignments *************
990                 TODS    FROMDS  addr_1          addr_2          addr_3  addr_4
991 Adhoc           0       0       dest            src (terminal)  BSSID   N/A
992 AP to Terminal  0       1       dest            AP(BSSID)       source  N/A
993 Terminal to AP  1       0       AP(BSSID)       src (terminal)  dest    N/A
994 AP to AP        1       1       dest AP         src AP          dest    source
995 *******************************************************/
996         if (local->net_type == ADHOC) {
997                 writeb(0, &ptx->mac.frame_ctl_2);
998                 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
999                             2 * ADDRLEN);
1000                 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1001         } else { /* infrastructure */
1002 
1003                 if (local->sparm.b4.a_acting_as_ap_status) {
1004                         writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1005                         memcpy_toio(ptx->mac.addr_1,
1006                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1007                         memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1008                         memcpy_toio(ptx->mac.addr_3,
1009                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1010                 } else { /* Terminal */
1011 
1012                         writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1013                         memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1014                         memcpy_toio(ptx->mac.addr_2,
1015                                     ((struct ethhdr *)data)->h_source, ADDRLEN);
1016                         memcpy_toio(ptx->mac.addr_3,
1017                                     ((struct ethhdr *)data)->h_dest, ADDRLEN);
1018                 }
1019         }
1020 } /* end encapsulate_frame */
1021 
1022 /*====================================================================*/
1023 
1024 /*------------------------------------------------------------------*/
1025 /*
1026  * Wireless Handler : get protocol name
1027  */
1028 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1029                         union iwreq_data *wrqu, char *extra)
1030 {
1031         strcpy(wrqu->name, "IEEE 802.11-FH");
1032         return 0;
1033 }
1034 
1035 /*------------------------------------------------------------------*/
1036 /*
1037  * Wireless Handler : set frequency
1038  */
1039 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1040                         union iwreq_data *wrqu, char *extra)
1041 {
1042         ray_dev_t *local = netdev_priv(dev);
1043         int err = -EINPROGRESS; /* Call commit handler */
1044 
1045         /* Reject if card is already initialised */
1046         if (local->card_status != CARD_AWAITING_PARAM)
1047                 return -EBUSY;
1048 
1049         /* Setting by channel number */
1050         if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1051                 err = -EOPNOTSUPP;
1052         else
1053                 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1054 
1055         return err;
1056 }
1057 
1058 /*------------------------------------------------------------------*/
1059 /*
1060  * Wireless Handler : get frequency
1061  */
1062 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1063                         union iwreq_data *wrqu, char *extra)
1064 {
1065         ray_dev_t *local = netdev_priv(dev);
1066 
1067         wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1068         wrqu->freq.e = 0;
1069         return 0;
1070 }
1071 
1072 /*------------------------------------------------------------------*/
1073 /*
1074  * Wireless Handler : set ESSID
1075  */
1076 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1077                          union iwreq_data *wrqu, char *extra)
1078 {
1079         ray_dev_t *local = netdev_priv(dev);
1080 
1081         /* Reject if card is already initialised */
1082         if (local->card_status != CARD_AWAITING_PARAM)
1083                 return -EBUSY;
1084 
1085         /* Check if we asked for `any' */
1086         if (wrqu->essid.flags == 0)
1087                 /* Corey : can you do that ? */
1088                 return -EOPNOTSUPP;
1089 
1090         /* Check the size of the string */
1091         if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1092                 return -E2BIG;
1093 
1094         /* Set the ESSID in the card */
1095         memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1096         memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1097 
1098         return -EINPROGRESS;    /* Call commit handler */
1099 }
1100 
1101 /*------------------------------------------------------------------*/
1102 /*
1103  * Wireless Handler : get ESSID
1104  */
1105 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1106                          union iwreq_data *wrqu, char *extra)
1107 {
1108         ray_dev_t *local = netdev_priv(dev);
1109         UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1110 
1111         /* Get the essid that was set */
1112         memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1113         memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1114         tmp[IW_ESSID_MAX_SIZE] = '\0';
1115 
1116         /* Push it out ! */
1117         wrqu->essid.length = strlen(tmp);
1118         wrqu->essid.flags = 1;  /* active */
1119 
1120         return 0;
1121 }
1122 
1123 /*------------------------------------------------------------------*/
1124 /*
1125  * Wireless Handler : get AP address
1126  */
1127 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1128                        union iwreq_data *wrqu, char *extra)
1129 {
1130         ray_dev_t *local = netdev_priv(dev);
1131 
1132         memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1133         wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1134 
1135         return 0;
1136 }
1137 
1138 /*------------------------------------------------------------------*/
1139 /*
1140  * Wireless Handler : set Bit-Rate
1141  */
1142 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1143                         union iwreq_data *wrqu, char *extra)
1144 {
1145         ray_dev_t *local = netdev_priv(dev);
1146 
1147         /* Reject if card is already initialised */
1148         if (local->card_status != CARD_AWAITING_PARAM)
1149                 return -EBUSY;
1150 
1151         /* Check if rate is in range */
1152         if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1153                 return -EINVAL;
1154 
1155         /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1156         if ((local->fw_ver == 0x55) &&  /* Please check */
1157             (wrqu->bitrate.value == 2000000))
1158                 local->net_default_tx_rate = 3;
1159         else
1160                 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1161 
1162         return 0;
1163 }
1164 
1165 /*------------------------------------------------------------------*/
1166 /*
1167  * Wireless Handler : get Bit-Rate
1168  */
1169 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1170                         union iwreq_data *wrqu, char *extra)
1171 {
1172         ray_dev_t *local = netdev_priv(dev);
1173 
1174         if (local->net_default_tx_rate == 3)
1175                 wrqu->bitrate.value = 2000000;  /* Hum... */
1176         else
1177                 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1178         wrqu->bitrate.fixed = 0;        /* We are in auto mode */
1179 
1180         return 0;
1181 }
1182 
1183 /*------------------------------------------------------------------*/
1184 /*
1185  * Wireless Handler : set RTS threshold
1186  */
1187 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1188                        union iwreq_data *wrqu, char *extra)
1189 {
1190         ray_dev_t *local = netdev_priv(dev);
1191         int rthr = wrqu->rts.value;
1192 
1193         /* Reject if card is already initialised */
1194         if (local->card_status != CARD_AWAITING_PARAM)
1195                 return -EBUSY;
1196 
1197         /* if(wrq->u.rts.fixed == 0) we should complain */
1198         if (wrqu->rts.disabled)
1199                 rthr = 32767;
1200         else {
1201                 if ((rthr < 0) || (rthr > 2347))   /* What's the max packet size ??? */
1202                         return -EINVAL;
1203         }
1204         local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1205         local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1206 
1207         return -EINPROGRESS;    /* Call commit handler */
1208 }
1209 
1210 /*------------------------------------------------------------------*/
1211 /*
1212  * Wireless Handler : get RTS threshold
1213  */
1214 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1215                        union iwreq_data *wrqu, char *extra)
1216 {
1217         ray_dev_t *local = netdev_priv(dev);
1218 
1219         wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1220             + local->sparm.b5.a_rts_threshold[1];
1221         wrqu->rts.disabled = (wrqu->rts.value == 32767);
1222         wrqu->rts.fixed = 1;
1223 
1224         return 0;
1225 }
1226 
1227 /*------------------------------------------------------------------*/
1228 /*
1229  * Wireless Handler : set Fragmentation threshold
1230  */
1231 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1232                         union iwreq_data *wrqu, char *extra)
1233 {
1234         ray_dev_t *local = netdev_priv(dev);
1235         int fthr = wrqu->frag.value;
1236 
1237         /* Reject if card is already initialised */
1238         if (local->card_status != CARD_AWAITING_PARAM)
1239                 return -EBUSY;
1240 
1241         /* if(wrq->u.frag.fixed == 0) should complain */
1242         if (wrqu->frag.disabled)
1243                 fthr = 32767;
1244         else {
1245                 if ((fthr < 256) || (fthr > 2347))      /* To check out ! */
1246                         return -EINVAL;
1247         }
1248         local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1249         local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1250 
1251         return -EINPROGRESS;    /* Call commit handler */
1252 }
1253 
1254 /*------------------------------------------------------------------*/
1255 /*
1256  * Wireless Handler : get Fragmentation threshold
1257  */
1258 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1259                         union iwreq_data *wrqu, char *extra)
1260 {
1261         ray_dev_t *local = netdev_priv(dev);
1262 
1263         wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1264             + local->sparm.b5.a_frag_threshold[1];
1265         wrqu->frag.disabled = (wrqu->frag.value == 32767);
1266         wrqu->frag.fixed = 1;
1267 
1268         return 0;
1269 }
1270 
1271 /*------------------------------------------------------------------*/
1272 /*
1273  * Wireless Handler : set Mode of Operation
1274  */
1275 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1276                         union iwreq_data *wrqu, char *extra)
1277 {
1278         ray_dev_t *local = netdev_priv(dev);
1279         int err = -EINPROGRESS; /* Call commit handler */
1280         char card_mode = 1;
1281 
1282         /* Reject if card is already initialised */
1283         if (local->card_status != CARD_AWAITING_PARAM)
1284                 return -EBUSY;
1285 
1286         switch (wrqu->mode) {
1287         case IW_MODE_ADHOC:
1288                 card_mode = 0;
1289                 /* Fall through */
1290         case IW_MODE_INFRA:
1291                 local->sparm.b5.a_network_type = card_mode;
1292                 break;
1293         default:
1294                 err = -EINVAL;
1295         }
1296 
1297         return err;
1298 }
1299 
1300 /*------------------------------------------------------------------*/
1301 /*
1302  * Wireless Handler : get Mode of Operation
1303  */
1304 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1305                         union iwreq_data *wrqu, char *extra)
1306 {
1307         ray_dev_t *local = netdev_priv(dev);
1308 
1309         if (local->sparm.b5.a_network_type)
1310                 wrqu->mode = IW_MODE_INFRA;
1311         else
1312                 wrqu->mode = IW_MODE_ADHOC;
1313 
1314         return 0;
1315 }
1316 
1317 /*------------------------------------------------------------------*/
1318 /*
1319  * Wireless Handler : get range info
1320  */
1321 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1322                          union iwreq_data *wrqu, char *extra)
1323 {
1324         struct iw_range *range = (struct iw_range *)extra;
1325 
1326         memset(range, 0, sizeof(struct iw_range));
1327 
1328         /* Set the length (very important for backward compatibility) */
1329         wrqu->data.length = sizeof(struct iw_range);
1330 
1331         /* Set the Wireless Extension versions */
1332         range->we_version_compiled = WIRELESS_EXT;
1333         range->we_version_source = 9;
1334 
1335         /* Set information in the range struct */
1336         range->throughput = 1.1 * 1000 * 1000;  /* Put the right number here */
1337         range->num_channels = hop_pattern_length[(int)country];
1338         range->num_frequency = 0;
1339         range->max_qual.qual = 0;
1340         range->max_qual.level = 255;    /* What's the correct value ? */
1341         range->max_qual.noise = 255;    /* Idem */
1342         range->num_bitrates = 2;
1343         range->bitrate[0] = 1000000;    /* 1 Mb/s */
1344         range->bitrate[1] = 2000000;    /* 2 Mb/s */
1345         return 0;
1346 }
1347 
1348 /*------------------------------------------------------------------*/
1349 /*
1350  * Wireless Private Handler : set framing mode
1351  */
1352 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1353                            union iwreq_data *wrqu, char *extra)
1354 {
1355         translate = !!*(extra); /* Set framing mode */
1356 
1357         return 0;
1358 }
1359 
1360 /*------------------------------------------------------------------*/
1361 /*
1362  * Wireless Private Handler : get framing mode
1363  */
1364 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1365                            union iwreq_data *wrqu, char *extra)
1366 {
1367         *(extra) = translate;
1368 
1369         return 0;
1370 }
1371 
1372 /*------------------------------------------------------------------*/
1373 /*
1374  * Wireless Private Handler : get country
1375  */
1376 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1377                            union iwreq_data *wrqu, char *extra)
1378 {
1379         *(extra) = country;
1380 
1381         return 0;
1382 }
1383 
1384 /*------------------------------------------------------------------*/
1385 /*
1386  * Commit handler : called after a bunch of SET operations
1387  */
1388 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1389                       union iwreq_data *wrqu, char *extra)
1390 {
1391         return 0;
1392 }
1393 
1394 /*------------------------------------------------------------------*/
1395 /*
1396  * Stats handler : return Wireless Stats
1397  */
1398 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1399 {
1400         ray_dev_t *local = netdev_priv(dev);
1401         struct pcmcia_device *link = local->finder;
1402         struct status __iomem *p = local->sram + STATUS_BASE;
1403 
1404         local->wstats.status = local->card_status;
1405 #ifdef WIRELESS_SPY
1406         if ((local->spy_data.spy_number > 0)
1407             && (local->sparm.b5.a_network_type == 0)) {
1408                 /* Get it from the first node in spy list */
1409                 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1410                 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1411                 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1412                 local->wstats.qual.updated =
1413                     local->spy_data.spy_stat[0].updated;
1414         }
1415 #endif /* WIRELESS_SPY */
1416 
1417         if (pcmcia_dev_present(link)) {
1418                 local->wstats.qual.noise = readb(&p->rxnoise);
1419                 local->wstats.qual.updated |= 4;
1420         }
1421 
1422         return &local->wstats;
1423 } /* end ray_get_wireless_stats */
1424 
1425 /*------------------------------------------------------------------*/
1426 /*
1427  * Structures to export the Wireless Handlers
1428  */
1429 
1430 static const iw_handler ray_handler[] = {
1431         IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1432         IW_HANDLER(SIOCGIWNAME, ray_get_name),
1433         IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1434         IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1435         IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1436         IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1437         IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1438 #ifdef WIRELESS_SPY
1439         IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1440         IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1441         IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1442         IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1443 #endif /* WIRELESS_SPY */
1444         IW_HANDLER(SIOCGIWAP, ray_get_wap),
1445         IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1446         IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1447         IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1448         IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1449         IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1450         IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1451         IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1452         IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1453 };
1454 
1455 #define SIOCSIPFRAMING  SIOCIWFIRSTPRIV /* Set framing mode */
1456 #define SIOCGIPFRAMING  SIOCIWFIRSTPRIV + 1     /* Get framing mode */
1457 #define SIOCGIPCOUNTRY  SIOCIWFIRSTPRIV + 3     /* Get country code */
1458 
1459 static const iw_handler ray_private_handler[] = {
1460         [0] = ray_set_framing,
1461         [1] = ray_get_framing,
1462         [3] = ray_get_country,
1463 };
1464 
1465 static const struct iw_priv_args ray_private_args[] = {
1466 /* cmd,         set_args,       get_args,       name */
1467         {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1468          "set_framing"},
1469         {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1470          "get_framing"},
1471         {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1472          "get_country"},
1473 };
1474 
1475 static const struct iw_handler_def ray_handler_def = {
1476         .num_standard = ARRAY_SIZE(ray_handler),
1477         .num_private = ARRAY_SIZE(ray_private_handler),
1478         .num_private_args = ARRAY_SIZE(ray_private_args),
1479         .standard = ray_handler,
1480         .private = ray_private_handler,
1481         .private_args = ray_private_args,
1482         .get_wireless_stats = ray_get_wireless_stats,
1483 };
1484 
1485 /*===========================================================================*/
1486 static int ray_open(struct net_device *dev)
1487 {
1488         ray_dev_t *local = netdev_priv(dev);
1489         struct pcmcia_device *link;
1490         link = local->finder;
1491 
1492         dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1493 
1494         if (link->open == 0)
1495                 local->num_multi = 0;
1496         link->open++;
1497 
1498         /* If the card is not started, time to start it ! - Jean II */
1499         if (local->card_status == CARD_AWAITING_PARAM) {
1500                 int i;
1501 
1502                 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1503 
1504                 /* Download startup parameters */
1505                 if ((i = dl_startup_params(dev)) < 0) {
1506                         printk(KERN_INFO
1507                                "ray_dev_init dl_startup_params failed - "
1508                                "returns 0x%x\n", i);
1509                         return -1;
1510                 }
1511         }
1512 
1513         if (sniffer)
1514                 netif_stop_queue(dev);
1515         else
1516                 netif_start_queue(dev);
1517 
1518         dev_dbg(&link->dev, "ray_open ending\n");
1519         return 0;
1520 } /* end ray_open */
1521 
1522 /*===========================================================================*/
1523 static int ray_dev_close(struct net_device *dev)
1524 {
1525         ray_dev_t *local = netdev_priv(dev);
1526         struct pcmcia_device *link;
1527         link = local->finder;
1528 
1529         dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1530 
1531         link->open--;
1532         netif_stop_queue(dev);
1533 
1534         /* In here, we should stop the hardware (stop card from beeing active)
1535          * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1536          * card is closed we can chage its configuration.
1537          * Probably also need a COR reset to get sane state - Jean II */
1538 
1539         return 0;
1540 } /* end ray_dev_close */
1541 
1542 /*===========================================================================*/
1543 static void ray_reset(struct net_device *dev)
1544 {
1545         pr_debug("ray_reset entered\n");
1546 }
1547 
1548 /*===========================================================================*/
1549 /* Cause a firmware interrupt if it is ready for one                         */
1550 /* Return nonzero if not ready                                               */
1551 static int interrupt_ecf(ray_dev_t *local, int ccs)
1552 {
1553         int i = 50;
1554         struct pcmcia_device *link = local->finder;
1555 
1556         if (!(pcmcia_dev_present(link))) {
1557                 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1558                 return -1;
1559         }
1560         dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1561 
1562         while (i &&
1563                (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1564                 ECF_INTR_SET))
1565                 i--;
1566         if (i == 0) {
1567                 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1568                 return -1;
1569         }
1570         /* Fill the mailbox, then kick the card */
1571         writeb(ccs, local->sram + SCB_BASE);
1572         writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1573         return 0;
1574 } /* interrupt_ecf */
1575 
1576 /*===========================================================================*/
1577 /* Get next free transmit CCS                                                */
1578 /* Return - index of current tx ccs                                          */
1579 static int get_free_tx_ccs(ray_dev_t *local)
1580 {
1581         int i;
1582         struct ccs __iomem *pccs = ccs_base(local);
1583         struct pcmcia_device *link = local->finder;
1584 
1585         if (!(pcmcia_dev_present(link))) {
1586                 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1587                 return ECARDGONE;
1588         }
1589 
1590         if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1591                 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1592                 return ECCSBUSY;
1593         }
1594 
1595         for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1596                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1597                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1598                         writeb(CCS_END_LIST, &(pccs + i)->link);
1599                         local->tx_ccs_lock = 0;
1600                         return i;
1601                 }
1602         }
1603         local->tx_ccs_lock = 0;
1604         dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1605         return ECCSFULL;
1606 } /* get_free_tx_ccs */
1607 
1608 /*===========================================================================*/
1609 /* Get next free CCS                                                         */
1610 /* Return - index of current ccs                                             */
1611 static int get_free_ccs(ray_dev_t *local)
1612 {
1613         int i;
1614         struct ccs __iomem *pccs = ccs_base(local);
1615         struct pcmcia_device *link = local->finder;
1616 
1617         if (!(pcmcia_dev_present(link))) {
1618                 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1619                 return ECARDGONE;
1620         }
1621         if (test_and_set_bit(0, &local->ccs_lock)) {
1622                 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1623                 return ECCSBUSY;
1624         }
1625 
1626         for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1627                 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1628                         writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1629                         writeb(CCS_END_LIST, &(pccs + i)->link);
1630                         local->ccs_lock = 0;
1631                         return i;
1632                 }
1633         }
1634         local->ccs_lock = 0;
1635         dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1636         return ECCSFULL;
1637 } /* get_free_ccs */
1638 
1639 /*===========================================================================*/
1640 static void authenticate_timeout(u_long data)
1641 {
1642         ray_dev_t *local = (ray_dev_t *) data;
1643         del_timer(&local->timer);
1644         printk(KERN_INFO "ray_cs Authentication with access point failed"
1645                " - timeout\n");
1646         join_net((u_long) local);
1647 }
1648 
1649 /*===========================================================================*/
1650 static int parse_addr(char *in_str, UCHAR *out)
1651 {
1652         int len;
1653         int i, j, k;
1654         int status;
1655 
1656         if (in_str == NULL)
1657                 return 0;
1658         if ((len = strlen(in_str)) < 2)
1659                 return 0;
1660         memset(out, 0, ADDRLEN);
1661 
1662         status = 1;
1663         j = len - 1;
1664         if (j > 12)
1665                 j = 12;
1666         i = 5;
1667 
1668         while (j > 0) {
1669                 if ((k = hex_to_bin(in_str[j--])) != -1)
1670                         out[i] = k;
1671                 else
1672                         return 0;
1673 
1674                 if (j == 0)
1675                         break;
1676                 if ((k = hex_to_bin(in_str[j--])) != -1)
1677                         out[i] += k << 4;
1678                 else
1679                         return 0;
1680                 if (!i--)
1681                         break;
1682         }
1683         return status;
1684 }
1685 
1686 /*===========================================================================*/
1687 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1688 {
1689         ray_dev_t *local = netdev_priv(dev);
1690         struct pcmcia_device *link = local->finder;
1691         struct status __iomem *p = local->sram + STATUS_BASE;
1692         if (!(pcmcia_dev_present(link))) {
1693                 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1694                 return &local->stats;
1695         }
1696         if (readb(&p->mrx_overflow_for_host)) {
1697                 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1698                 writeb(0, &p->mrx_overflow);
1699                 writeb(0, &p->mrx_overflow_for_host);
1700         }
1701         if (readb(&p->mrx_checksum_error_for_host)) {
1702                 local->stats.rx_crc_errors +=
1703                     swab16(readw(&p->mrx_checksum_error));
1704                 writeb(0, &p->mrx_checksum_error);
1705                 writeb(0, &p->mrx_checksum_error_for_host);
1706         }
1707         if (readb(&p->rx_hec_error_for_host)) {
1708                 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1709                 writeb(0, &p->rx_hec_error);
1710                 writeb(0, &p->rx_hec_error_for_host);
1711         }
1712         return &local->stats;
1713 }
1714 
1715 /*===========================================================================*/
1716 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1717                             int len)
1718 {
1719         ray_dev_t *local = netdev_priv(dev);
1720         struct pcmcia_device *link = local->finder;
1721         int ccsindex;
1722         int i;
1723         struct ccs __iomem *pccs;
1724 
1725         if (!(pcmcia_dev_present(link))) {
1726                 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1727                 return;
1728         }
1729 
1730         if ((ccsindex = get_free_ccs(local)) < 0) {
1731                 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1732                 return;
1733         }
1734         pccs = ccs_base(local) + ccsindex;
1735         writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1736         writeb(objid, &pccs->var.update_param.object_id);
1737         writeb(1, &pccs->var.update_param.number_objects);
1738         writeb(0, &pccs->var.update_param.failure_cause);
1739         for (i = 0; i < len; i++) {
1740                 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1741         }
1742         /* Interrupt the firmware to process the command */
1743         if (interrupt_ecf(local, ccsindex)) {
1744                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1745                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1746         }
1747 }
1748 
1749 /*===========================================================================*/
1750 static void ray_update_multi_list(struct net_device *dev, int all)
1751 {
1752         int ccsindex;
1753         struct ccs __iomem *pccs;
1754         ray_dev_t *local = netdev_priv(dev);
1755         struct pcmcia_device *link = local->finder;
1756         void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1757 
1758         if (!(pcmcia_dev_present(link))) {
1759                 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1760                 return;
1761         } else
1762                 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1763         if ((ccsindex = get_free_ccs(local)) < 0) {
1764                 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1765                 return;
1766         }
1767         pccs = ccs_base(local) + ccsindex;
1768         writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1769 
1770         if (all) {
1771                 writeb(0xff, &pccs->var);
1772                 local->num_multi = 0xff;
1773         } else {
1774                 struct netdev_hw_addr *ha;
1775                 int i = 0;
1776 
1777                 /* Copy the kernel's list of MC addresses to card */
1778                 netdev_for_each_mc_addr(ha, dev) {
1779                         memcpy_toio(p, ha->addr, ETH_ALEN);
1780                         dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1781                                 ha->addr);
1782                         p += ETH_ALEN;
1783                         i++;
1784                 }
1785                 if (i > 256 / ADDRLEN)
1786                         i = 256 / ADDRLEN;
1787                 writeb((UCHAR) i, &pccs->var);
1788                 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1789                 /* Interrupt the firmware to process the command */
1790                 local->num_multi = i;
1791         }
1792         if (interrupt_ecf(local, ccsindex)) {
1793                 dev_dbg(&link->dev,
1794                       "ray_cs update_multi failed - ECF not ready for intr\n");
1795                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1796         }
1797 } /* end ray_update_multi_list */
1798 
1799 /*===========================================================================*/
1800 static void set_multicast_list(struct net_device *dev)
1801 {
1802         ray_dev_t *local = netdev_priv(dev);
1803         UCHAR promisc;
1804 
1805         pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1806 
1807         if (dev->flags & IFF_PROMISC) {
1808                 if (local->sparm.b5.a_promiscuous_mode == 0) {
1809                         pr_debug("ray_cs set_multicast_list promisc on\n");
1810                         local->sparm.b5.a_promiscuous_mode = 1;
1811                         promisc = 1;
1812                         ray_update_parm(dev, OBJID_promiscuous_mode,
1813                                         &promisc, sizeof(promisc));
1814                 }
1815         } else {
1816                 if (local->sparm.b5.a_promiscuous_mode == 1) {
1817                         pr_debug("ray_cs set_multicast_list promisc off\n");
1818                         local->sparm.b5.a_promiscuous_mode = 0;
1819                         promisc = 0;
1820                         ray_update_parm(dev, OBJID_promiscuous_mode,
1821                                         &promisc, sizeof(promisc));
1822                 }
1823         }
1824 
1825         if (dev->flags & IFF_ALLMULTI)
1826                 ray_update_multi_list(dev, 1);
1827         else {
1828                 if (local->num_multi != netdev_mc_count(dev))
1829                         ray_update_multi_list(dev, 0);
1830         }
1831 } /* end set_multicast_list */
1832 
1833 /*=============================================================================
1834  * All routines below here are run at interrupt time.
1835 =============================================================================*/
1836 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1837 {
1838         struct net_device *dev = (struct net_device *)dev_id;
1839         struct pcmcia_device *link;
1840         ray_dev_t *local;
1841         struct ccs __iomem *pccs;
1842         struct rcs __iomem *prcs;
1843         UCHAR rcsindex;
1844         UCHAR tmp;
1845         UCHAR cmd;
1846         UCHAR status;
1847         UCHAR memtmp[ESSID_SIZE + 1];
1848 
1849 
1850         if (dev == NULL)        /* Note that we want interrupts with dev->start == 0 */
1851                 return IRQ_NONE;
1852 
1853         pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1854 
1855         local = netdev_priv(dev);
1856         link = local->finder;
1857         if (!pcmcia_dev_present(link)) {
1858                 pr_debug(
1859                         "ray_cs interrupt from device not present or suspended.\n");
1860                 return IRQ_NONE;
1861         }
1862         rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1863 
1864         if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1865                 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1866                 clear_interrupt(local);
1867                 return IRQ_HANDLED;
1868         }
1869         if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1870                 pccs = ccs_base(local) + rcsindex;
1871                 cmd = readb(&pccs->cmd);
1872                 status = readb(&pccs->buffer_status);
1873                 switch (cmd) {
1874                 case CCS_DOWNLOAD_STARTUP_PARAMS:       /* Happens in firmware someday */
1875                         del_timer(&local->timer);
1876                         if (status == CCS_COMMAND_COMPLETE) {
1877                                 dev_dbg(&link->dev,
1878                                       "ray_cs interrupt download_startup_parameters OK\n");
1879                         } else {
1880                                 dev_dbg(&link->dev,
1881                                       "ray_cs interrupt download_startup_parameters fail\n");
1882                         }
1883                         break;
1884                 case CCS_UPDATE_PARAMS:
1885                         dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1886                         if (status != CCS_COMMAND_COMPLETE) {
1887                                 tmp =
1888                                     readb(&pccs->var.update_param.
1889                                           failure_cause);
1890                                 dev_dbg(&link->dev,
1891                                       "ray_cs interrupt update params failed - reason %d\n",
1892                                       tmp);
1893                         }
1894                         break;
1895                 case CCS_REPORT_PARAMS:
1896                         dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1897                         break;
1898                 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1899                         dev_dbg(&link->dev,
1900                               "ray_cs interrupt CCS Update Multicast List done\n");
1901                         break;
1902                 case CCS_UPDATE_POWER_SAVINGS_MODE:
1903                         dev_dbg(&link->dev,
1904                               "ray_cs interrupt update power save mode done\n");
1905                         break;
1906                 case CCS_START_NETWORK:
1907                 case CCS_JOIN_NETWORK:
1908                         memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1909                                                                 ESSID_SIZE);
1910                         memtmp[ESSID_SIZE] = '\0';
1911 
1912                         if (status == CCS_COMMAND_COMPLETE) {
1913                                 if (readb
1914                                     (&pccs->var.start_network.net_initiated) ==
1915                                     1) {
1916                                         dev_dbg(&link->dev,
1917                                               "ray_cs interrupt network \"%s\" started\n",
1918                                               memtmp);
1919                                 } else {
1920                                         dev_dbg(&link->dev,
1921                                               "ray_cs interrupt network \"%s\" joined\n",
1922                                               memtmp);
1923                                 }
1924                                 memcpy_fromio(&local->bss_id,
1925                                               pccs->var.start_network.bssid,
1926                                               ADDRLEN);
1927 
1928                                 if (local->fw_ver == 0x55)
1929                                         local->net_default_tx_rate = 3;
1930                                 else
1931                                         local->net_default_tx_rate =
1932                                             readb(&pccs->var.start_network.
1933                                                   net_default_tx_rate);
1934                                 local->encryption =
1935                                     readb(&pccs->var.start_network.encryption);
1936                                 if (!sniffer && (local->net_type == INFRA)
1937                                     && !(local->sparm.b4.a_acting_as_ap_status)) {
1938                                         authenticate(local);
1939                                 }
1940                                 local->card_status = CARD_ACQ_COMPLETE;
1941                         } else {
1942                                 local->card_status = CARD_ACQ_FAILED;
1943 
1944                                 del_timer(&local->timer);
1945                                 local->timer.expires = jiffies + HZ * 5;
1946                                 local->timer.data = (long)local;
1947                                 if (status == CCS_START_NETWORK) {
1948                                         dev_dbg(&link->dev,
1949                                               "ray_cs interrupt network \"%s\" start failed\n",
1950                                               memtmp);
1951                                         local->timer.function = start_net;
1952                                 } else {
1953                                         dev_dbg(&link->dev,
1954                                               "ray_cs interrupt network \"%s\" join failed\n",
1955                                               memtmp);
1956                                         local->timer.function = join_net;
1957                                 }
1958                                 add_timer(&local->timer);
1959                         }
1960                         break;
1961                 case CCS_START_ASSOCIATION:
1962                         if (status == CCS_COMMAND_COMPLETE) {
1963                                 local->card_status = CARD_ASSOC_COMPLETE;
1964                                 dev_dbg(&link->dev, "ray_cs association successful\n");
1965                         } else {
1966                                 dev_dbg(&link->dev, "ray_cs association failed,\n");
1967                                 local->card_status = CARD_ASSOC_FAILED;
1968                                 join_net((u_long) local);
1969                         }
1970                         break;
1971                 case CCS_TX_REQUEST:
1972                         if (status == CCS_COMMAND_COMPLETE) {
1973                                 dev_dbg(&link->dev,
1974                                       "ray_cs interrupt tx request complete\n");
1975                         } else {
1976                                 dev_dbg(&link->dev,
1977                                       "ray_cs interrupt tx request failed\n");
1978                         }
1979                         if (!sniffer)
1980                                 netif_start_queue(dev);
1981                         netif_wake_queue(dev);
1982                         break;
1983                 case CCS_TEST_MEMORY:
1984                         dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
1985                         break;
1986                 case CCS_SHUTDOWN:
1987                         dev_dbg(&link->dev,
1988                               "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
1989                         break;
1990                 case CCS_DUMP_MEMORY:
1991                         dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
1992                         break;
1993                 case CCS_START_TIMER:
1994                         dev_dbg(&link->dev,
1995                               "ray_cs interrupt DING - raylink timer expired\n");
1996                         break;
1997                 default:
1998                         dev_dbg(&link->dev,
1999                               "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2000                               rcsindex, cmd);
2001                 }
2002                 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2003         } else { /* It's an RCS */
2004 
2005                 prcs = rcs_base(local) + rcsindex;
2006 
2007                 switch (readb(&prcs->interrupt_id)) {
2008                 case PROCESS_RX_PACKET:
2009                         ray_rx(dev, local, prcs);
2010                         break;
2011                 case REJOIN_NET_COMPLETE:
2012                         dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2013                         local->card_status = CARD_ACQ_COMPLETE;
2014                         /* do we need to clear tx buffers CCS's? */
2015                         if (local->sparm.b4.a_network_type == ADHOC) {
2016                                 if (!sniffer)
2017                                         netif_start_queue(dev);
2018                         } else {
2019                                 memcpy_fromio(&local->bss_id,
2020                                               prcs->var.rejoin_net_complete.
2021                                               bssid, ADDRLEN);
2022                                 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2023                                         local->bss_id);
2024                                 if (!sniffer)
2025                                         authenticate(local);
2026                         }
2027                         break;
2028                 case ROAMING_INITIATED:
2029                         dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2030                         netif_stop_queue(dev);
2031                         local->card_status = CARD_DOING_ACQ;
2032                         break;
2033                 case JAPAN_CALL_SIGN_RXD:
2034                         dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2035                         break;
2036                 default:
2037                         dev_dbg(&link->dev,
2038                               "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2039                               rcsindex,
2040                               (unsigned int)readb(&prcs->interrupt_id));
2041                         break;
2042                 }
2043                 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2044         }
2045         clear_interrupt(local);
2046         return IRQ_HANDLED;
2047 } /* ray_interrupt */
2048 
2049 /*===========================================================================*/
2050 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2051                    struct rcs __iomem *prcs)
2052 {
2053         int rx_len;
2054         unsigned int pkt_addr;
2055         void __iomem *pmsg;
2056         pr_debug("ray_rx process rx packet\n");
2057 
2058         /* Calculate address of packet within Rx buffer */
2059         pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2060                     + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2061         /* Length of first packet fragment */
2062         rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2063             + readb(&prcs->var.rx_packet.rx_data_length[1]);
2064 
2065         local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2066         pmsg = local->rmem + pkt_addr;
2067         switch (readb(pmsg)) {
2068         case DATA_TYPE:
2069                 pr_debug("ray_rx data type\n");
2070                 rx_data(dev, prcs, pkt_addr, rx_len);
2071                 break;
2072         case AUTHENTIC_TYPE:
2073                 pr_debug("ray_rx authentic type\n");
2074                 if (sniffer)
2075                         rx_data(dev, prcs, pkt_addr, rx_len);
2076                 else
2077                         rx_authenticate(local, prcs, pkt_addr, rx_len);
2078                 break;
2079         case DEAUTHENTIC_TYPE:
2080                 pr_debug("ray_rx deauth type\n");
2081                 if (sniffer)
2082                         rx_data(dev, prcs, pkt_addr, rx_len);
2083                 else
2084                         rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2085                 break;
2086         case NULL_MSG_TYPE:
2087                 pr_debug("ray_cs rx NULL msg\n");
2088                 break;
2089         case BEACON_TYPE:
2090                 pr_debug("ray_rx beacon type\n");
2091                 if (sniffer)
2092                         rx_data(dev, prcs, pkt_addr, rx_len);
2093 
2094                 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2095                                   rx_len < sizeof(struct beacon_rx) ?
2096                                   rx_len : sizeof(struct beacon_rx));
2097 
2098                 local->beacon_rxed = 1;
2099                 /* Get the statistics so the card counters never overflow */
2100                 ray_get_stats(dev);
2101                 break;
2102         default:
2103                 pr_debug("ray_cs unknown pkt type %2x\n",
2104                       (unsigned int)readb(pmsg));
2105                 break;
2106         }
2107 
2108 } /* end ray_rx */
2109 
2110 /*===========================================================================*/
2111 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2112                     unsigned int pkt_addr, int rx_len)
2113 {
2114         struct sk_buff *skb = NULL;
2115         struct rcs __iomem *prcslink = prcs;
2116         ray_dev_t *local = netdev_priv(dev);
2117         UCHAR *rx_ptr;
2118         int total_len;
2119         int tmp;
2120 #ifdef WIRELESS_SPY
2121         int siglev = local->last_rsl;
2122         u_char linksrcaddr[ETH_ALEN];   /* Other end of the wireless link */
2123 #endif
2124 
2125         if (!sniffer) {
2126                 if (translate) {
2127 /* TBD length needs fixing for translated header */
2128                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2129                             rx_len >
2130                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2131                              FCS_LEN)) {
2132                                 pr_debug(
2133                                       "ray_cs invalid packet length %d received\n",
2134                                       rx_len);
2135                                 return;
2136                         }
2137                 } else { /* encapsulated ethernet */
2138 
2139                         if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2140                             rx_len >
2141                             (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2142                              FCS_LEN)) {
2143                                 pr_debug(
2144                                       "ray_cs invalid packet length %d received\n",
2145                                       rx_len);
2146                                 return;
2147                         }
2148                 }
2149         }
2150         pr_debug("ray_cs rx_data packet\n");
2151         /* If fragmented packet, verify sizes of fragments add up */
2152         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2153                 pr_debug("ray_cs rx'ed fragment\n");
2154                 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2155                     + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2156                 total_len = tmp;
2157                 prcslink = prcs;
2158                 do {
2159                         tmp -=
2160                             (readb(&prcslink->var.rx_packet.rx_data_length[0])
2161                              << 8)
2162                             + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2163                         if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2164                             == 0xFF || tmp < 0)
2165                                 break;
2166                         prcslink = rcs_base(local)
2167                             + readb(&prcslink->link_field);
2168                 } while (1);
2169 
2170                 if (tmp < 0) {
2171                         pr_debug(
2172                               "ray_cs rx_data fragment lengths don't add up\n");
2173                         local->stats.rx_dropped++;
2174                         release_frag_chain(local, prcs);
2175                         return;
2176                 }
2177         } else { /* Single unfragmented packet */
2178                 total_len = rx_len;
2179         }
2180 
2181         skb = dev_alloc_skb(total_len + 5);
2182         if (skb == NULL) {
2183                 pr_debug("ray_cs rx_data could not allocate skb\n");
2184                 local->stats.rx_dropped++;
2185                 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2186                         release_frag_chain(local, prcs);
2187                 return;
2188         }
2189         skb_reserve(skb, 2);    /* Align IP on 16 byte (TBD check this) */
2190 
2191         pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2192               rx_len);
2193 
2194 /************************/
2195         /* Reserve enough room for the whole damn packet. */
2196         rx_ptr = skb_put(skb, total_len);
2197         /* Copy the whole packet to sk_buff */
2198         rx_ptr +=
2199             copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2200         /* Get source address */
2201 #ifdef WIRELESS_SPY
2202         skb_copy_from_linear_data_offset(skb,
2203                                          offsetof(struct mac_header, addr_2),
2204                                          linksrcaddr, ETH_ALEN);
2205 #endif
2206         /* Now, deal with encapsulation/translation/sniffer */
2207         if (!sniffer) {
2208                 if (!translate) {
2209                         /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2210 /* TBD reserve            skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2211                         skb_pull(skb, RX_MAC_HEADER_LENGTH);
2212                 } else {
2213                         /* Do translation */
2214                         untranslate(local, skb, total_len);
2215                 }
2216         } else { /* sniffer mode, so just pass whole packet */
2217         };
2218 
2219 /************************/
2220         /* Now pick up the rest of the fragments if any */
2221         tmp = 17;
2222         if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2223                 prcslink = prcs;
2224                 pr_debug("ray_cs rx_data in fragment loop\n");
2225                 do {
2226                         prcslink = rcs_base(local)
2227                             +
2228                             readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2229                         rx_len =
2230                             ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2231                               << 8)
2232                              +
2233                              readb(&prcslink->var.rx_packet.rx_data_length[1]))
2234                             & RX_BUFF_END;
2235                         pkt_addr =
2236                             ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2237                               8)
2238                              + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2239                             & RX_BUFF_END;
2240 
2241                         rx_ptr +=
2242                             copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2243 
2244                 } while (tmp-- &&
2245                          readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2246                          0xFF);
2247                 release_frag_chain(local, prcs);
2248         }
2249 
2250         skb->protocol = eth_type_trans(skb, dev);
2251         netif_rx(skb);
2252         local->stats.rx_packets++;
2253         local->stats.rx_bytes += total_len;
2254 
2255         /* Gather signal strength per address */
2256 #ifdef WIRELESS_SPY
2257         /* For the Access Point or the node having started the ad-hoc net
2258          * note : ad-hoc work only in some specific configurations, but we
2259          * kludge in ray_get_wireless_stats... */
2260         if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2261                 /* Update statistics */
2262                 /*local->wstats.qual.qual = none ? */
2263                 local->wstats.qual.level = siglev;
2264                 /*local->wstats.qual.noise = none ? */
2265                 local->wstats.qual.updated = 0x2;
2266         }
2267         /* Now, update the spy stuff */
2268         {
2269                 struct iw_quality wstats;
2270                 wstats.level = siglev;
2271                 /* wstats.noise = none ? */
2272                 /* wstats.qual = none ? */
2273                 wstats.updated = 0x2;
2274                 /* Update spy records */
2275                 wireless_spy_update(dev, linksrcaddr, &wstats);
2276         }
2277 #endif /* WIRELESS_SPY */
2278 } /* end rx_data */
2279 
2280 /*===========================================================================*/
2281 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2282 {
2283         snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2284         struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2285         __be16 type = *(__be16 *) psnap->ethertype;
2286         int delta;
2287         struct ethhdr *peth;
2288         UCHAR srcaddr[ADDRLEN];
2289         UCHAR destaddr[ADDRLEN];
2290         static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2291         static const UCHAR org_1042[3] = { 0, 0, 0 };
2292 
2293         memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2294         memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2295 
2296 #if 0
2297         if {
2298                 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2299                                DUMP_PREFIX_NONE, 16, 1,
2300                                skb->data, 64, true);
2301                 printk(KERN_DEBUG
2302                        "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2303                        ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2304                        psnap->org[0], psnap->org[1], psnap->org[2]);
2305                 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2306         }
2307 #endif
2308 
2309         if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2310                 /* not a snap type so leave it alone */
2311                 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2312                       psnap->dsap, psnap->ssap, psnap->ctrl);
2313 
2314                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2315                 peth = (struct ethhdr *)(skb->data + delta);
2316                 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2317         } else { /* Its a SNAP */
2318                 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2319                 /* EtherII and nuke the LLC */
2320                         pr_debug("ray_cs untranslate Bridge encap\n");
2321                         delta = RX_MAC_HEADER_LENGTH
2322                             + sizeof(struct snaphdr_t) - ETH_HLEN;
2323                         peth = (struct ethhdr *)(skb->data + delta);
2324                         peth->h_proto = type;
2325                 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2326                         switch (ntohs(type)) {
2327                         case ETH_P_IPX:
2328                         case ETH_P_AARP:
2329                                 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2330                                 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2331                                 peth = (struct ethhdr *)(skb->data + delta);
2332                                 peth->h_proto =
2333                                     htons(len - RX_MAC_HEADER_LENGTH);
2334                                 break;
2335                         default:
2336                                 pr_debug("ray_cs untranslate RFC default\n");
2337                                 delta = RX_MAC_HEADER_LENGTH +
2338                                     sizeof(struct snaphdr_t) - ETH_HLEN;
2339                                 peth = (struct ethhdr *)(skb->data + delta);
2340                                 peth->h_proto = type;
2341                                 break;
2342                         }
2343                 } else {
2344                         printk("ray_cs untranslate very confused by packet\n");
2345                         delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2346                         peth = (struct ethhdr *)(skb->data + delta);
2347                         peth->h_proto = type;
2348                 }
2349         }
2350 /* TBD reserve  skb_reserve(skb, delta); */
2351         skb_pull(skb, delta);
2352         pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2353               skb->data);
2354         memcpy(peth->h_dest, destaddr, ADDRLEN);
2355         memcpy(peth->h_source, srcaddr, ADDRLEN);
2356 #if 0
2357         {
2358                 int i;
2359                 printk(KERN_DEBUG "skb->data after untranslate:");
2360                 for (i = 0; i < 64; i++)
2361                         printk("%02x ", skb->data[i]);
2362                 printk("\n");
2363         }
2364 #endif
2365 } /* end untranslate */
2366 
2367 /*===========================================================================*/
2368 /* Copy data from circular receive buffer to PC memory.
2369  * dest     = destination address in PC memory
2370  * pkt_addr = source address in receive buffer
2371  * len      = length of packet to copy
2372  */
2373 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2374                              int length)
2375 {
2376         int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2377         if (wrap_bytes <= 0) {
2378                 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2379         } else { /* Packet wrapped in circular buffer */
2380 
2381                 memcpy_fromio(dest, local->rmem + pkt_addr,
2382                               length - wrap_bytes);
2383                 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2384                               wrap_bytes);
2385         }
2386         return length;
2387 }
2388 
2389 /*===========================================================================*/
2390 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2391 {
2392         struct rcs __iomem *prcslink = prcs;
2393         int tmp = 17;
2394         unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2395 
2396         while (tmp--) {
2397                 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2398                 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2399                         pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2400                               rcsindex);
2401                         break;
2402                 }
2403                 prcslink = rcs_base(local) + rcsindex;
2404                 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2405         }
2406         writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2407 }
2408 
2409 /*===========================================================================*/
2410 static void authenticate(ray_dev_t *local)
2411 {
2412         struct pcmcia_device *link = local->finder;
2413         dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2414         if (!(pcmcia_dev_present(link))) {
2415                 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2416                 return;
2417         }
2418 
2419         del_timer(&local->timer);
2420         if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2421                 local->timer.function = join_net;
2422         } else {
2423                 local->timer.function = authenticate_timeout;
2424         }
2425         local->timer.expires = jiffies + HZ * 2;
2426         local->timer.data = (long)local;
2427         add_timer(&local->timer);
2428         local->authentication_state = AWAITING_RESPONSE;
2429 } /* end authenticate */
2430 
2431 /*===========================================================================*/
2432 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2433                             unsigned int pkt_addr, int rx_len)
2434 {
2435         UCHAR buff[256];
2436         struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2437 
2438         del_timer(&local->timer);
2439 
2440         copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2441         /* if we are trying to get authenticated */
2442         if (local->sparm.b4.a_network_type == ADHOC) {
2443                 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2444                       msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2445                       msg->var[4], msg->var[5]);
2446                 if (msg->var[2] == 1) {
2447                         pr_debug("ray_cs Sending authentication response.\n");
2448                         if (!build_auth_frame
2449                             (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2450                                 local->authentication_state = NEED_TO_AUTH;
2451                                 memcpy(local->auth_id, msg->mac.addr_2,
2452                                        ADDRLEN);
2453                         }
2454                 }
2455         } else { /* Infrastructure network */
2456 
2457                 if (local->authentication_state == AWAITING_RESPONSE) {
2458                         /* Verify authentication sequence #2 and success */
2459                         if (msg->var[2] == 2) {
2460                                 if ((msg->var[3] | msg->var[4]) == 0) {
2461                                         pr_debug("Authentication successful\n");
2462                                         local->card_status = CARD_AUTH_COMPLETE;
2463                                         associate(local);
2464                                         local->authentication_state =
2465                                             AUTHENTICATED;
2466                                 } else {
2467                                         pr_debug("Authentication refused\n");
2468                                         local->card_status = CARD_AUTH_REFUSED;
2469                                         join_net((u_long) local);
2470                                         local->authentication_state =
2471                                             UNAUTHENTICATED;
2472                                 }
2473                         }
2474                 }
2475         }
2476 
2477 } /* end rx_authenticate */
2478 
2479 /*===========================================================================*/
2480 static void associate(ray_dev_t *local)
2481 {
2482         struct ccs __iomem *pccs;
2483         struct pcmcia_device *link = local->finder;
2484         struct net_device *dev = link->priv;
2485         int ccsindex;
2486         if (!(pcmcia_dev_present(link))) {
2487                 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2488                 return;
2489         }
2490         /* If no tx buffers available, return */
2491         if ((ccsindex = get_free_ccs(local)) < 0) {
2492 /* TBD should never be here but... what if we are? */
2493                 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2494                 return;
2495         }
2496         dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2497         pccs = ccs_base(local) + ccsindex;
2498         /* fill in the CCS */
2499         writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2500         /* Interrupt the firmware to process the command */
2501         if (interrupt_ecf(local, ccsindex)) {
2502                 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2503                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2504 
2505                 del_timer(&local->timer);
2506                 local->timer.expires = jiffies + HZ * 2;
2507                 local->timer.data = (long)local;
2508                 local->timer.function = join_net;
2509                 add_timer(&local->timer);
2510                 local->card_status = CARD_ASSOC_FAILED;
2511                 return;
2512         }
2513         if (!sniffer)
2514                 netif_start_queue(dev);
2515 
2516 } /* end associate */
2517 
2518 /*===========================================================================*/
2519 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2520                               unsigned int pkt_addr, int rx_len)
2521 {
2522 /*  UCHAR buff[256];
2523     struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2524 */
2525         pr_debug("Deauthentication frame received\n");
2526         local->authentication_state = UNAUTHENTICATED;
2527         /* Need to reauthenticate or rejoin depending on reason code */
2528 /*  copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2529  */
2530 }
2531 
2532 /*===========================================================================*/
2533 static void clear_interrupt(ray_dev_t *local)
2534 {
2535         writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2536 }
2537 
2538 /*===========================================================================*/
2539 #ifdef CONFIG_PROC_FS
2540 #define MAXDATA (PAGE_SIZE - 80)
2541 
2542 static const char *card_status[] = {
2543         "Card inserted - uninitialized",        /* 0 */
2544         "Card not downloaded",                  /* 1 */
2545         "Waiting for download parameters",      /* 2 */
2546         "Card doing acquisition",               /* 3 */
2547         "Acquisition complete",                 /* 4 */
2548         "Authentication complete",              /* 5 */
2549         "Association complete",                 /* 6 */
2550         "???", "???", "???", "???",             /* 7 8 9 10 undefined */
2551         "Card init error",                      /* 11 */
2552         "Download parameters error",            /* 12 */
2553         "???",                                  /* 13 */
2554         "Acquisition failed",                   /* 14 */
2555         "Authentication refused",               /* 15 */
2556         "Association failed"                    /* 16 */
2557 };
2558 
2559 static const char *nettype[] = { "Adhoc", "Infra " };
2560 static const char *framing[] = { "Encapsulation", "Translation" }
2561 
2562 ;
2563 /*===========================================================================*/
2564 static int ray_cs_proc_show(struct seq_file *m, void *v)
2565 {
2566 /* Print current values which are not available via other means
2567  * eg ifconfig
2568  */
2569         int i;
2570         struct pcmcia_device *link;
2571         struct net_device *dev;
2572         ray_dev_t *local;
2573         UCHAR *p;
2574         struct freq_hop_element *pfh;
2575         UCHAR c[33];
2576 
2577         link = this_device;
2578         if (!link)
2579                 return 0;
2580         dev = (struct net_device *)link->priv;
2581         if (!dev)
2582                 return 0;
2583         local = netdev_priv(dev);
2584         if (!local)
2585                 return 0;
2586 
2587         seq_puts(m, "Raylink Wireless LAN driver status\n");
2588         seq_printf(m, "%s\n", rcsid);
2589         /* build 4 does not report version, and field is 0x55 after memtest */
2590         seq_puts(m, "Firmware version     = ");
2591         if (local->fw_ver == 0x55)
2592                 seq_puts(m, "4 - Use dump_cis for more details\n");
2593         else
2594                 seq_printf(m, "%2d.%02d.%02d\n",
2595                            local->fw_ver, local->fw_bld, local->fw_var);
2596 
2597         for (i = 0; i < 32; i++)
2598                 c[i] = local->sparm.b5.a_current_ess_id[i];
2599         c[32] = 0;
2600         seq_printf(m, "%s network ESSID = \"%s\"\n",
2601                    nettype[local->sparm.b5.a_network_type], c);
2602 
2603         p = local->bss_id;
2604         seq_printf(m, "BSSID                = %pM\n", p);
2605 
2606         seq_printf(m, "Country code         = %d\n",
2607                    local->sparm.b5.a_curr_country_code);
2608 
2609         i = local->card_status;
2610         if (i < 0)
2611                 i = 10;
2612         if (i > 16)
2613                 i = 10;
2614         seq_printf(m, "Card status          = %s\n", card_status[i]);
2615 
2616         seq_printf(m, "Framing mode         = %s\n", framing[translate]);
2617 
2618         seq_printf(m, "Last pkt signal lvl  = %d\n", local->last_rsl);
2619 
2620         if (local->beacon_rxed) {
2621                 /* Pull some fields out of last beacon received */
2622                 seq_printf(m, "Beacon Interval      = %d Kus\n",
2623                            local->last_bcn.beacon_intvl[0]
2624                            + 256 * local->last_bcn.beacon_intvl[1]);
2625 
2626                 p = local->last_bcn.elements;
2627                 if (p[0] == C_ESSID_ELEMENT_ID)
2628                         p += p[1] + 2;
2629                 else {
2630                         seq_printf(m,
2631                                    "Parse beacon failed at essid element id = %d\n",
2632                                    p[0]);
2633                         return 0;
2634                 }
2635 
2636                 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2637                         seq_puts(m, "Supported rate codes = ");
2638                         for (i = 2; i < p[1] + 2; i++)
2639                                 seq_printf(m, "0x%02x ", p[i]);
2640                         seq_putc(m, '\n');
2641                         p += p[1] + 2;
2642                 } else {
2643                         seq_puts(m, "Parse beacon failed at rates element\n");
2644                         return 0;
2645                 }
2646 
2647                 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2648                         pfh = (struct freq_hop_element *)p;
2649                         seq_printf(m, "Hop dwell            = %d Kus\n",
2650                                    pfh->dwell_time[0] +
2651                                    256 * pfh->dwell_time[1]);
2652                         seq_printf(m, "Hop set              = %d\n",
2653                                    pfh->hop_set);
2654                         seq_printf(m, "Hop pattern          = %d\n",
2655                                    pfh->hop_pattern);
2656                         seq_printf(m, "Hop index            = %d\n",
2657                                    pfh->hop_index);
2658                         p += p[1] + 2;
2659                 } else {
2660                         seq_puts(m,
2661                                  "Parse beacon failed at FH param element\n");
2662                         return 0;
2663                 }
2664         } else {
2665                 seq_puts(m, "No beacons received\n");
2666         }
2667         return 0;
2668 }
2669 
2670 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2671 {
2672         return single_open(file, ray_cs_proc_show, NULL);
2673 }
2674 
2675 static const struct file_operations ray_cs_proc_fops = {
2676         .owner = THIS_MODULE,
2677         .open = ray_cs_proc_open,
2678         .read = seq_read,
2679         .llseek = seq_lseek,
2680         .release = single_release,
2681 };
2682 #endif
2683 /*===========================================================================*/
2684 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2685 {
2686         int addr;
2687         struct ccs __iomem *pccs;
2688         struct tx_msg __iomem *ptx;
2689         int ccsindex;
2690 
2691         /* If no tx buffers available, return */
2692         if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2693                 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2694                 return -1;
2695         }
2696 
2697         pccs = ccs_base(local) + ccsindex;
2698 
2699         /* Address in card space */
2700         addr = TX_BUF_BASE + (ccsindex << 11);
2701         /* fill in the CCS */
2702         writeb(CCS_TX_REQUEST, &pccs->cmd);
2703         writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2704         writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2705         writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2706         writeb(TX_AUTHENTICATE_LENGTH_LSB,
2707                pccs->var.tx_request.tx_data_length + 1);
2708         writeb(0, &pccs->var.tx_request.pow_sav_mode);
2709 
2710         ptx = local->sram + addr;
2711         /* fill in the mac header */
2712         writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2713         writeb(0, &ptx->mac.frame_ctl_2);
2714 
2715         memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2716         memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2717         memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2718 
2719         /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2720         memset_io(ptx->var, 0, 6);
2721         writeb(auth_type & 0xff, ptx->var + 2);
2722 
2723         /* Interrupt the firmware to process the command */
2724         if (interrupt_ecf(local, ccsindex)) {
2725                 pr_debug(
2726                       "ray_cs send authentication request failed - ECF not ready for intr\n");
2727                 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2728                 return -1;
2729         }
2730         return 0;
2731 } /* End build_auth_frame */
2732 
2733 /*===========================================================================*/
2734 #ifdef CONFIG_PROC_FS
2735 static ssize_t ray_cs_essid_proc_write(struct file *file,
2736                 const char __user *buffer, size_t count, loff_t *pos)
2737 {
2738         static char proc_essid[33];
2739         unsigned int len = count;
2740 
2741         if (len > 32)
2742                 len = 32;
2743         memset(proc_essid, 0, 33);
2744         if (copy_from_user(proc_essid, buffer, len))
2745                 return -EFAULT;
2746         essid = proc_essid;
2747         return count;
2748 }
2749 
2750 static const struct file_operations ray_cs_essid_proc_fops = {
2751         .owner          = THIS_MODULE,
2752         .write          = ray_cs_essid_proc_write,
2753         .llseek         = noop_llseek,
2754 };
2755 
2756 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2757                               size_t count, loff_t *pos)
2758 {
2759         static char proc_number[10];
2760         char *p;
2761         int nr, len;
2762 
2763         if (!count)
2764                 return 0;
2765 
2766         if (count > 9)
2767                 return -EINVAL;
2768         if (copy_from_user(proc_number, buffer, count))
2769                 return -EFAULT;
2770         p = proc_number;
2771         nr = 0;
2772         len = count;
2773         do {
2774                 unsigned int c = *p - '';
2775                 if (c > 9)
2776                         return -EINVAL;
2777                 nr = nr * 10 + c;
2778                 p++;
2779         } while (--len);
2780         *(int *)PDE_DATA(file_inode(file)) = nr;
2781         return count;
2782 }
2783 
2784 static const struct file_operations int_proc_fops = {
2785         .owner          = THIS_MODULE,
2786         .write          = int_proc_write,
2787         .llseek         = noop_llseek,
2788 };
2789 #endif
2790 
2791 static const struct pcmcia_device_id ray_ids[] = {
2792         PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2793         PCMCIA_DEVICE_NULL,
2794 };
2795 
2796 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2797 
2798 static struct pcmcia_driver ray_driver = {
2799         .owner = THIS_MODULE,
2800         .name = "ray_cs",
2801         .probe = ray_probe,
2802         .remove = ray_detach,
2803         .id_table = ray_ids,
2804         .suspend = ray_suspend,
2805         .resume = ray_resume,
2806 };
2807 
2808 static int __init init_ray_cs(void)
2809 {
2810         int rc;
2811 
2812         pr_debug("%s\n", rcsid);
2813         rc = pcmcia_register_driver(&ray_driver);
2814         pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2815               rc);
2816 
2817 #ifdef CONFIG_PROC_FS
2818         proc_mkdir("driver/ray_cs", NULL);
2819 
2820         proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2821         proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2822         proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2823         proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2824 #endif
2825         if (translate != 0)
2826                 translate = 1;
2827         return 0;
2828 } /* init_ray_cs */
2829 
2830 /*===========================================================================*/
2831 
2832 static void __exit exit_ray_cs(void)
2833 {
2834         pr_debug("ray_cs: cleanup_module\n");
2835 
2836 #ifdef CONFIG_PROC_FS
2837         remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2838         remove_proc_entry("driver/ray_cs/essid", NULL);
2839         remove_proc_entry("driver/ray_cs/net_type", NULL);
2840         remove_proc_entry("driver/ray_cs/translate", NULL);
2841         remove_proc_entry("driver/ray_cs", NULL);
2842 #endif
2843 
2844         pcmcia_unregister_driver(&ray_driver);
2845 } /* exit_ray_cs */
2846 
2847 module_init(init_ray_cs);
2848 module_exit(exit_ray_cs);
2849 
2850 /*===========================================================================*/
2851 

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