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