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net: use NETDEV_TX_OK instead of 0 in ndo_start_xmit() functions
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / ray_cs.c
blob64e574c3655ca6b7b07123bd286c5382340f8747
1 /*=============================================================================
2 *
3 * A PCMCIA client driver for the Raylink wireless LAN card.
4 * The starting point for this module was the skeleton.c in the
5 * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
6 *
7 *
8 * Copyright (c) 1998 Corey Thomas (corey@world.std.com)
9 *
10 * This driver is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 only of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * It is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
22 *
23 * Changes:
24 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
25 * - reorganize kmallocs in ray_attach, checking all for failure
26 * and releasing the previous allocations if one fails
27 *
28 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
29 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
30 *
31 =============================================================================*/
32
33 #include <linux/module.h>
34 #include <linux/kernel.h>
35 #include <linux/proc_fs.h>
36 #include <linux/ptrace.h>
37 #include <linux/seq_file.h>
38 #include <linux/slab.h>
39 #include <linux/string.h>
40 #include <linux/timer.h>
41 #include <linux/init.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/skbuff.h>
47 #include <linux/ethtool.h>
48 #include <linux/ieee80211.h>
49
50 #include <pcmcia/cs_types.h>
51 #include <pcmcia/cs.h>
52 #include <pcmcia/cistpl.h>
53 #include <pcmcia/cisreg.h>
54 #include <pcmcia/ds.h>
55 #include <pcmcia/mem_op.h>
56
57 #include <linux/wireless.h>
58 #include <net/iw_handler.h>
59
60 #include <asm/io.h>
61 #include <asm/system.h>
62 #include <asm/byteorder.h>
63 #include <asm/uaccess.h>
64
65 /* Warning : these stuff will slow down the driver... */
66 #define WIRELESS_SPY /* Enable spying addresses */
67 /* Definitions we need for spy */
68 typedef struct iw_statistics iw_stats;
69 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
70
71 #include "rayctl.h"
72 #include "ray_cs.h"
73
74 /* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
75 you do not define PCMCIA_DEBUG at all, all the debug code will be
76 left out. If you compile with PCMCIA_DEBUG=0, the debug code will
77 be present but disabled -- but it can then be enabled for specific
78 modules at load time with a 'pc_debug=#' option to insmod.
79 */
80
81 #ifdef RAYLINK_DEBUG
82 #define PCMCIA_DEBUG RAYLINK_DEBUG
83 #endif
84 #ifdef PCMCIA_DEBUG
85 static int ray_debug;
86 static int pc_debug = PCMCIA_DEBUG;
87 module_param(pc_debug, int, 0);
88 /* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */
89 #define DEBUG(n, args...) if (pc_debug > (n)) printk(args);
90 #else
91 #define DEBUG(n, args...)
92 #endif
93 /** Prototypes based on PCMCIA skeleton driver *******************************/
94 static int ray_config(struct pcmcia_device *link);
95 static void ray_release(struct pcmcia_device *link);
96 static void ray_detach(struct pcmcia_device *p_dev);
97
98 /***** Prototypes indicated by device structure ******************************/
99 static int ray_dev_close(struct net_device *dev);
100 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
101 static struct net_device_stats *ray_get_stats(struct net_device *dev);
102 static int ray_dev_init(struct net_device *dev);
103
104 static const struct ethtool_ops netdev_ethtool_ops;
105
106 static int ray_open(struct net_device *dev);
107 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev);
108 static void set_multicast_list(struct net_device *dev);
109 static void ray_update_multi_list(struct net_device *dev, int all);
110 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
111 unsigned char *data, int len);
112 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
113 UCHAR msg_type, unsigned char *data);
114 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
115 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
116 static const struct iw_handler_def ray_handler_def;
117
118 /***** Prototypes for raylink functions **************************************/
119 static int asc_to_int(char a);
120 static void authenticate(ray_dev_t *local);
121 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
122 static void authenticate_timeout(u_long);
123 static int get_free_ccs(ray_dev_t *local);
124 static int get_free_tx_ccs(ray_dev_t *local);
125 static void init_startup_params(ray_dev_t *local);
126 static int parse_addr(char *in_str, UCHAR *out);
127 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
128 static int ray_init(struct net_device *dev);
129 static int interrupt_ecf(ray_dev_t *local, int ccs);
130 static void ray_reset(struct net_device *dev);
131 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
132 static void verify_dl_startup(u_long);
133
134 /* Prototypes for interrpt time functions **********************************/
135 static irqreturn_t ray_interrupt(int reg, void *dev_id);
136 static void clear_interrupt(ray_dev_t *local);
137 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
138 unsigned int pkt_addr, int rx_len);
139 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
140 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
141 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
142 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
143 unsigned int pkt_addr, int rx_len);
144 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
145 unsigned int pkt_addr, int rx_len);
146 static void associate(ray_dev_t *local);
147
148 /* Card command functions */
149 static int dl_startup_params(struct net_device *dev);
150 static void join_net(u_long local);
151 static void start_net(u_long local);
152 /* void start_net(ray_dev_t *local); */
153
154 /*===========================================================================*/
155 /* Parameters that can be set with 'insmod' */
156
157 /* ADHOC=0, Infrastructure=1 */
158 static int net_type = ADHOC;
159
160 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
161 static int hop_dwell = 128;
162
163 /* Beacon period in Kus */
164 static int beacon_period = 256;
165
166 /* power save mode (0 = off, 1 = save power) */
167 static int psm;
168
169 /* String for network's Extended Service Set ID. 32 Characters max */
170 static char *essid;
171
172 /* Default to encapsulation unless translation requested */
173 static int translate = 1;
174
175 static int country = USA;
176
177 static int sniffer;
178
179 static int bc;
180
181 /* 48 bit physical card address if overriding card's real physical
182 * address is required. Since IEEE 802.11 addresses are 48 bits
183 * like ethernet, an int can't be used, so a string is used. To
184 * allow use of addresses starting with a decimal digit, the first
185 * character must be a letter and will be ignored. This letter is
186 * followed by up to 12 hex digits which are the address. If less
187 * than 12 digits are used, the address will be left filled with 0's.
188 * Note that bit 0 of the first byte is the broadcast bit, and evil
189 * things will happen if it is not 0 in a card address.
190 */
191 static char *phy_addr = NULL;
192
193
194 /* A struct pcmcia_device structure has fields for most things that are needed
195 to keep track of a socket, but there will usually be some device
196 specific information that also needs to be kept track of. The
197 'priv' pointer in a struct pcmcia_device structure can be used to point to
198 a device-specific private data structure, like this.
199 */
200 static unsigned int ray_mem_speed = 500;
201
202 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
203 static struct pcmcia_device *this_device = NULL;
204
205 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
206 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
207 MODULE_LICENSE("GPL");
208
209 module_param(net_type, int, 0);
210 module_param(hop_dwell, int, 0);
211 module_param(beacon_period, int, 0);
212 module_param(psm, int, 0);
213 module_param(essid, charp, 0);
214 module_param(translate, int, 0);
215 module_param(country, int, 0);
216 module_param(sniffer, int, 0);
217 module_param(bc, int, 0);
218 module_param(phy_addr, charp, 0);
219 module_param(ray_mem_speed, int, 0);
220
221 static UCHAR b5_default_startup_parms[] = {
222 0, 0, /* Adhoc station */
223 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
224 0, 0, 0, 0, 0, 0, 0, 0,
225 0, 0, 0, 0, 0, 0, 0, 0,
226 0, 0, 0, 0, 0, 0, 0, 0,
227 1, 0, /* Active scan, CA Mode */
228 0, 0, 0, 0, 0, 0, /* No default MAC addr */
229 0x7f, 0xff, /* Frag threshold */
230 0x00, 0x80, /* Hop time 128 Kus */
231 0x01, 0x00, /* Beacon period 256 Kus */
232 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
233 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
234 0x7f, 0xff, /* RTS threshold */
235 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
236 0x05, /* assoc resp timeout thresh */
237 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
238 0, /* Promiscuous mode */
239 0x0c, 0x0bd, /* Unique word */
240 0x32, /* Slot time */
241 0xff, 0xff, /* roam-low snr, low snr count */
242 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
243 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
244 /* b4 - b5 differences start here */
245 0x00, 0x3f, /* CW max */
246 0x00, 0x0f, /* CW 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 0, /* allow broadcast SSID probe resp */
252 0, 0, /* privacy must start, can join */
253 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
254 };
255
256 static UCHAR b4_default_startup_parms[] = {
257 0, 0, /* Adhoc station */
258 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
259 0, 0, 0, 0, 0, 0, 0, 0,
260 0, 0, 0, 0, 0, 0, 0, 0,
261 0, 0, 0, 0, 0, 0, 0, 0,
262 1, 0, /* Active scan, CA Mode */
263 0, 0, 0, 0, 0, 0, /* No default MAC addr */
264 0x7f, 0xff, /* Frag threshold */
265 0x02, 0x00, /* Hop time */
266 0x00, 0x01, /* Beacon period */
267 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
268 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
269 0x7f, 0xff, /* RTS threshold */
270 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
271 0x05, /* assoc resp timeout thresh */
272 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
273 0, /* Promiscuous mode */
274 0x0c, 0x0bd, /* Unique word */
275 0x4e, /* Slot time (TBD seems wrong) */
276 0xff, 0xff, /* roam-low snr, low snr count */
277 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
278 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
279 /* b4 - b5 differences start here */
280 0x3f, 0x0f, /* CW max, min */
281 0x04, 0x08, /* Noise gain, limit offset */
282 0x28, 0x28, /* det rssi, med busy offsets */
283 7, /* det sync thresh */
284 0, 2, 2 /* test mode, min, max */
285 };
286
287 /*===========================================================================*/
288 static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
289
290 static char hop_pattern_length[] = { 1,
291 USA_HOP_MOD, EUROPE_HOP_MOD,
292 JAPAN_HOP_MOD, KOREA_HOP_MOD,
293 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
294 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
295 JAPAN_TEST_HOP_MOD
296 };
297
298 static char rcsid[] =
299 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
300
301 static const struct net_device_ops ray_netdev_ops = {
302 .ndo_init = ray_dev_init,
303 .ndo_open = ray_open,
304 .ndo_stop = ray_dev_close,
305 .ndo_start_xmit = ray_dev_start_xmit,
306 .ndo_set_config = ray_dev_config,
307 .ndo_get_stats = ray_get_stats,
308 .ndo_set_multicast_list = set_multicast_list,
309 .ndo_change_mtu = eth_change_mtu,
310 .ndo_set_mac_address = eth_mac_addr,
311 .ndo_validate_addr = eth_validate_addr,
312 };
313
314 /*=============================================================================
315 ray_attach() creates an "instance" of the driver, allocating
316 local data structures for one device. The device is registered
317 with Card Services.
318 The dev_link structure is initialized, but we don't actually
319 configure the card at this point -- we wait until we receive a
320 card insertion event.
321 =============================================================================*/
322 static int ray_probe(struct pcmcia_device *p_dev)
323 {
324 ray_dev_t *local;
325 struct net_device *dev;
326
327 DEBUG(1, "ray_attach()\n");
328
329 /* Allocate space for private device-specific data */
330 dev = alloc_etherdev(sizeof(ray_dev_t));
331 if (!dev)
332 goto fail_alloc_dev;
333
334 local = netdev_priv(dev);
335 local->finder = p_dev;
336
337 /* The io structure describes IO port mapping. None used here */
338 p_dev->io.NumPorts1 = 0;
339 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
340 p_dev->io.IOAddrLines = 5;
341
342 /* Interrupt setup. For PCMCIA, driver takes what's given */
343 p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
344 p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
345 p_dev->irq.Handler = &ray_interrupt;
346
347 /* General socket configuration */
348 p_dev->conf.Attributes = CONF_ENABLE_IRQ;
349 p_dev->conf.IntType = INT_MEMORY_AND_IO;
350 p_dev->conf.ConfigIndex = 1;
351
352 p_dev->priv = dev;
353 p_dev->irq.Instance = dev;
354
355 local->finder = p_dev;
356 local->card_status = CARD_INSERTED;
357 local->authentication_state = UNAUTHENTICATED;
358 local->num_multi = 0;
359 DEBUG(2, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
360 p_dev, dev, local, &ray_interrupt);
361
362 /* Raylink entries in the device structure */
363 dev->netdev_ops = &ray_netdev_ops;
364 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
365 dev->wireless_handlers = &ray_handler_def;
366 #ifdef WIRELESS_SPY
367 local->wireless_data.spy_data = &local->spy_data;
368 dev->wireless_data = &local->wireless_data;
369 #endif /* WIRELESS_SPY */
370
371
372 DEBUG(2, "ray_cs ray_attach calling ether_setup.)\n");
373 netif_stop_queue(dev);
374
375 init_timer(&local->timer);
376
377 this_device = p_dev;
378 return ray_config(p_dev);
379
380 fail_alloc_dev:
381 return -ENOMEM;
382 } /* ray_attach */
383
384 /*=============================================================================
385 This deletes a driver "instance". The device is de-registered
386 with Card Services. If it has been released, all local data
387 structures are freed. Otherwise, the structures will be freed
388 when the device is released.
389 =============================================================================*/
390 static void ray_detach(struct pcmcia_device *link)
391 {
392 struct net_device *dev;
393 ray_dev_t *local;
394
395 DEBUG(1, "ray_detach(0x%p)\n", link);
396
397 this_device = NULL;
398 dev = link->priv;
399
400 ray_release(link);
401
402 local = netdev_priv(dev);
403 del_timer(&local->timer);
404
405 if (link->priv) {
406 if (link->dev_node)
407 unregister_netdev(dev);
408 free_netdev(dev);
409 }
410 DEBUG(2, "ray_cs ray_detach ending\n");
411 } /* ray_detach */
412
413 /*=============================================================================
414 ray_config() is run after a CARD_INSERTION event
415 is received, to configure the PCMCIA socket, and to make the
416 ethernet device available to the system.
417 =============================================================================*/
418 #define CS_CHECK(fn, ret) \
419 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
420 #define MAX_TUPLE_SIZE 128
421 static int ray_config(struct pcmcia_device *link)
422 {
423 int last_fn = 0, last_ret = 0;
424 int i;
425 win_req_t req;
426 memreq_t mem;
427 struct net_device *dev = (struct net_device *)link->priv;
428 ray_dev_t *local = netdev_priv(dev);
429
430 DEBUG(1, "ray_config(0x%p)\n", link);
431
432 /* Determine card type and firmware version */
433 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
434 link->prod_id[0] ? link->prod_id[0] : " ",
435 link->prod_id[1] ? link->prod_id[1] : " ",
436 link->prod_id[2] ? link->prod_id[2] : " ",
437 link->prod_id[3] ? link->prod_id[3] : " ");
438
439 /* Now allocate an interrupt line. Note that this does not
440 actually assign a handler to the interrupt.
441 */
442 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
443 dev->irq = link->irq.AssignedIRQ;
444
445 /* This actually configures the PCMCIA socket -- setting up
446 the I/O windows and the interrupt mapping.
447 */
448 CS_CHECK(RequestConfiguration,
449 pcmcia_request_configuration(link, &link->conf));
450
451 /*** Set up 32k window for shared memory (transmit and control) ************/
452 req.Attributes =
453 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
454 req.Base = 0;
455 req.Size = 0x8000;
456 req.AccessSpeed = ray_mem_speed;
457 CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win));
458 mem.CardOffset = 0x0000;
459 mem.Page = 0;
460 CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
461 local->sram = ioremap(req.Base, req.Size);
462
463 /*** Set up 16k window for shared memory (receive buffer) ***************/
464 req.Attributes =
465 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
466 req.Base = 0;
467 req.Size = 0x4000;
468 req.AccessSpeed = ray_mem_speed;
469 CS_CHECK(RequestWindow,
470 pcmcia_request_window(&link, &req, &local->rmem_handle));
471 mem.CardOffset = 0x8000;
472 mem.Page = 0;
473 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem));
474 local->rmem = ioremap(req.Base, req.Size);
475
476 /*** Set up window for attribute memory ***********************************/
477 req.Attributes =
478 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
479 req.Base = 0;
480 req.Size = 0x1000;
481 req.AccessSpeed = ray_mem_speed;
482 CS_CHECK(RequestWindow,
483 pcmcia_request_window(&link, &req, &local->amem_handle));
484 mem.CardOffset = 0x0000;
485 mem.Page = 0;
486 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem));
487 local->amem = ioremap(req.Base, req.Size);
488
489 DEBUG(3, "ray_config sram=%p\n", local->sram);
490 DEBUG(3, "ray_config rmem=%p\n", local->rmem);
491 DEBUG(3, "ray_config amem=%p\n", local->amem);
492 if (ray_init(dev) < 0) {
493 ray_release(link);
494 return -ENODEV;
495 }
496
497 SET_NETDEV_DEV(dev, &handle_to_dev(link));
498 i = register_netdev(dev);
499 if (i != 0) {
500 printk("ray_config register_netdev() failed\n");
501 ray_release(link);
502 return i;
503 }
504
505 strcpy(local->node.dev_name, dev->name);
506 link->dev_node = &local->node;
507
508 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
509 dev->name, dev->irq, dev->dev_addr);
510
511 return 0;
512
513 cs_failed:
514 cs_error(link, last_fn, last_ret);
515
516 ray_release(link);
517 return -ENODEV;
518 } /* ray_config */
519
520 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
521 {
522 return dev->sram + CCS_BASE;
523 }
524
525 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
526 {
527 /*
528 * This looks nonsensical, since there is a separate
529 * RCS_BASE. But the difference between a "struct rcs"
530 * and a "struct ccs" ends up being in the _index_ off
531 * the base, so the base pointer is the same for both
532 * ccs/rcs.
533 */
534 return dev->sram + CCS_BASE;
535 }
536
537 /*===========================================================================*/
538 static int ray_init(struct net_device *dev)
539 {
540 int i;
541 UCHAR *p;
542 struct ccs __iomem *pccs;
543 ray_dev_t *local = netdev_priv(dev);
544 struct pcmcia_device *link = local->finder;
545 DEBUG(1, "ray_init(0x%p)\n", dev);
546 if (!(pcmcia_dev_present(link))) {
547 DEBUG(0, "ray_init - device not present\n");
548 return -1;
549 }
550
551 local->net_type = net_type;
552 local->sta_type = TYPE_STA;
553
554 /* Copy the startup results to local memory */
555 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
556 sizeof(struct startup_res_6));
557
558 /* Check Power up test status and get mac address from card */
559 if (local->startup_res.startup_word != 0x80) {
560 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
561 local->startup_res.startup_word);
562 local->card_status = CARD_INIT_ERROR;
563 return -1;
564 }
565
566 local->fw_ver = local->startup_res.firmware_version[0];
567 local->fw_bld = local->startup_res.firmware_version[1];
568 local->fw_var = local->startup_res.firmware_version[2];
569 DEBUG(1, "ray_init firmware version %d.%d \n", local->fw_ver,
570 local->fw_bld);
571
572 local->tib_length = 0x20;
573 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
574 local->tib_length = local->startup_res.tib_length;
575 DEBUG(2, "ray_init tib_length = 0x%02x\n", local->tib_length);
576 /* Initialize CCS's to buffer free state */
577 pccs = ccs_base(local);
578 for (i = 0; i < NUMBER_OF_CCS; i++) {
579 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
580 }
581 init_startup_params(local);
582
583 /* copy mac address to startup parameters */
584 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
585 p = local->sparm.b4.a_mac_addr;
586 } else {
587 memcpy(&local->sparm.b4.a_mac_addr,
588 &local->startup_res.station_addr, ADDRLEN);
589 p = local->sparm.b4.a_mac_addr;
590 }
591
592 clear_interrupt(local); /* Clear any interrupt from the card */
593 local->card_status = CARD_AWAITING_PARAM;
594 DEBUG(2, "ray_init ending\n");
595 return 0;
596 } /* ray_init */
597
598 /*===========================================================================*/
599 /* Download startup parameters to the card and command it to read them */
600 static int dl_startup_params(struct net_device *dev)
601 {
602 int ccsindex;
603 ray_dev_t *local = netdev_priv(dev);
604 struct ccs __iomem *pccs;
605 struct pcmcia_device *link = local->finder;
606
607 DEBUG(1, "dl_startup_params entered\n");
608 if (!(pcmcia_dev_present(link))) {
609 DEBUG(2, "ray_cs dl_startup_params - device not present\n");
610 return -1;
611 }
612
613 /* Copy parameters to host to ECF area */
614 if (local->fw_ver == 0x55)
615 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
616 sizeof(struct b4_startup_params));
617 else
618 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
619 sizeof(struct b5_startup_params));
620
621 /* Fill in the CCS fields for the ECF */
622 if ((ccsindex = get_free_ccs(local)) < 0)
623 return -1;
624 local->dl_param_ccs = ccsindex;
625 pccs = ccs_base(local) + ccsindex;
626 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
627 DEBUG(2, "dl_startup_params start ccsindex = %d\n",
628 local->dl_param_ccs);
629 /* Interrupt the firmware to process the command */
630 if (interrupt_ecf(local, ccsindex)) {
631 printk(KERN_INFO "ray dl_startup_params failed - "
632 "ECF not ready for intr\n");
633 local->card_status = CARD_DL_PARAM_ERROR;
634 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
635 return -2;
636 }
637 local->card_status = CARD_DL_PARAM;
638 /* Start kernel timer to wait for dl startup to complete. */
639 local->timer.expires = jiffies + HZ / 2;
640 local->timer.data = (long)local;
641 local->timer.function = &verify_dl_startup;
642 add_timer(&local->timer);
643 DEBUG(2,
644 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
645 return 0;
646 } /* dl_startup_params */
647
648 /*===========================================================================*/
649 static void init_startup_params(ray_dev_t *local)
650 {
651 int i;
652
653 if (country > JAPAN_TEST)
654 country = USA;
655 else if (country < USA)
656 country = USA;
657 /* structure for hop time and beacon period is defined here using
658 * New 802.11D6.1 format. Card firmware is still using old format
659 * until version 6.
660 * Before After
661 * a_hop_time ms byte a_hop_time ms byte
662 * a_hop_time 2s byte a_hop_time ls byte
663 * a_hop_time ls byte a_beacon_period ms byte
664 * a_beacon_period a_beacon_period ls byte
665 *
666 * a_hop_time = uS a_hop_time = KuS
667 * a_beacon_period = hops a_beacon_period = KuS
668 *//* 64ms = 010000 */
669 if (local->fw_ver == 0x55) {
670 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
671 sizeof(struct b4_startup_params));
672 /* Translate sane kus input values to old build 4/5 format */
673 /* i = hop time in uS truncated to 3 bytes */
674 i = (hop_dwell * 1024) & 0xffffff;
675 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
676 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
677 local->sparm.b4.a_beacon_period[0] = 0;
678 local->sparm.b4.a_beacon_period[1] =
679 ((beacon_period / hop_dwell) - 1) & 0xff;
680 local->sparm.b4.a_curr_country_code = country;
681 local->sparm.b4.a_hop_pattern_length =
682 hop_pattern_length[(int)country] - 1;
683 if (bc) {
684 local->sparm.b4.a_ack_timeout = 0x50;
685 local->sparm.b4.a_sifs = 0x3f;
686 }
687 } else { /* Version 5 uses real kus values */
688 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
689 sizeof(struct b5_startup_params));
690
691 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
692 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
693 local->sparm.b5.a_beacon_period[0] =
694 (beacon_period >> 8) & 0xff;
695 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
696 if (psm)
697 local->sparm.b5.a_power_mgt_state = 1;
698 local->sparm.b5.a_curr_country_code = country;
699 local->sparm.b5.a_hop_pattern_length =
700 hop_pattern_length[(int)country];
701 }
702
703 local->sparm.b4.a_network_type = net_type & 0x01;
704 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
705
706 if (essid != NULL)
707 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
708 } /* init_startup_params */
709
710 /*===========================================================================*/
711 static void verify_dl_startup(u_long data)
712 {
713 ray_dev_t *local = (ray_dev_t *) data;
714 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
715 UCHAR status;
716 struct pcmcia_device *link = local->finder;
717
718 if (!(pcmcia_dev_present(link))) {
719 DEBUG(2, "ray_cs verify_dl_startup - device not present\n");
720 return;
721 }
722 #ifdef PCMCIA_DEBUG
723 if (pc_debug > 2) {
724 int i;
725 printk(KERN_DEBUG
726 "verify_dl_startup parameters sent via ccs %d:\n",
727 local->dl_param_ccs);
728 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
729 printk(" %2x",
730 (unsigned int)readb(local->sram +
731 HOST_TO_ECF_BASE + i));
732 }
733 printk("\n");
734 }
735 #endif
736
737 status = readb(&pccs->buffer_status);
738 if (status != CCS_BUFFER_FREE) {
739 printk(KERN_INFO
740 "Download startup params failed. Status = %d\n",
741 status);
742 local->card_status = CARD_DL_PARAM_ERROR;
743 return;
744 }
745 if (local->sparm.b4.a_network_type == ADHOC)
746 start_net((u_long) local);
747 else
748 join_net((u_long) local);
749
750 return;
751 } /* end verify_dl_startup */
752
753 /*===========================================================================*/
754 /* Command card to start a network */
755 static void start_net(u_long data)
756 {
757 ray_dev_t *local = (ray_dev_t *) data;
758 struct ccs __iomem *pccs;
759 int ccsindex;
760 struct pcmcia_device *link = local->finder;
761 if (!(pcmcia_dev_present(link))) {
762 DEBUG(2, "ray_cs start_net - device not present\n");
763 return;
764 }
765 /* Fill in the CCS fields for the ECF */
766 if ((ccsindex = get_free_ccs(local)) < 0)
767 return;
768 pccs = ccs_base(local) + ccsindex;
769 writeb(CCS_START_NETWORK, &pccs->cmd);
770 writeb(0, &pccs->var.start_network.update_param);
771 /* Interrupt the firmware to process the command */
772 if (interrupt_ecf(local, ccsindex)) {
773 DEBUG(1, "ray start net failed - card not ready for intr\n");
774 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
775 return;
776 }
777 local->card_status = CARD_DOING_ACQ;
778 return;
779 } /* end start_net */
780
781 /*===========================================================================*/
782 /* Command card to join a network */
783 static void join_net(u_long data)
784 {
785 ray_dev_t *local = (ray_dev_t *) data;
786
787 struct ccs __iomem *pccs;
788 int ccsindex;
789 struct pcmcia_device *link = local->finder;
790
791 if (!(pcmcia_dev_present(link))) {
792 DEBUG(2, "ray_cs join_net - device not present\n");
793 return;
794 }
795 /* Fill in the CCS fields for the ECF */
796 if ((ccsindex = get_free_ccs(local)) < 0)
797 return;
798 pccs = ccs_base(local) + ccsindex;
799 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
800 writeb(0, &pccs->var.join_network.update_param);
801 writeb(0, &pccs->var.join_network.net_initiated);
802 /* Interrupt the firmware to process the command */
803 if (interrupt_ecf(local, ccsindex)) {
804 DEBUG(1, "ray join net failed - card not ready for intr\n");
805 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
806 return;
807 }
808 local->card_status = CARD_DOING_ACQ;
809 return;
810 }
811
812 /*============================================================================
813 After a card is removed, ray_release() will unregister the net
814 device, and release the PCMCIA configuration. If the device is
815 still open, this will be postponed until it is closed.
816 =============================================================================*/
817 static void ray_release(struct pcmcia_device *link)
818 {
819 struct net_device *dev = link->priv;
820 ray_dev_t *local = netdev_priv(dev);
821 int i;
822
823 DEBUG(1, "ray_release(0x%p)\n", link);
824
825 del_timer(&local->timer);
826
827 iounmap(local->sram);
828 iounmap(local->rmem);
829 iounmap(local->amem);
830 /* Do bother checking to see if these succeed or not */
831 i = pcmcia_release_window(local->amem_handle);
832 if (i != 0)
833 DEBUG(0, "ReleaseWindow(local->amem) ret = %x\n", i);
834 i = pcmcia_release_window(local->rmem_handle);
835 if (i != 0)
836 DEBUG(0, "ReleaseWindow(local->rmem) ret = %x\n", i);
837 pcmcia_disable_device(link);
838
839 DEBUG(2, "ray_release ending\n");
840 }
841
842 static int ray_suspend(struct pcmcia_device *link)
843 {
844 struct net_device *dev = link->priv;
845
846 if (link->open)
847 netif_device_detach(dev);
848
849 return 0;
850 }
851
852 static int ray_resume(struct pcmcia_device *link)
853 {
854 struct net_device *dev = link->priv;
855
856 if (link->open) {
857 ray_reset(dev);
858 netif_device_attach(dev);
859 }
860
861 return 0;
862 }
863
864 /*===========================================================================*/
865 static int ray_dev_init(struct net_device *dev)
866 {
867 #ifdef RAY_IMMEDIATE_INIT
868 int i;
869 #endif /* RAY_IMMEDIATE_INIT */
870 ray_dev_t *local = netdev_priv(dev);
871 struct pcmcia_device *link = local->finder;
872
873 DEBUG(1, "ray_dev_init(dev=%p)\n", dev);
874 if (!(pcmcia_dev_present(link))) {
875 DEBUG(2, "ray_dev_init - device not present\n");
876 return -1;
877 }
878 #ifdef RAY_IMMEDIATE_INIT
879 /* Download startup parameters */
880 if ((i = dl_startup_params(dev)) < 0) {
881 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
882 "returns 0x%x\n", i);
883 return -1;
884 }
885 #else /* RAY_IMMEDIATE_INIT */
886 /* Postpone the card init so that we can still configure the card,
887 * for example using the Wireless Extensions. The init will happen
888 * in ray_open() - Jean II */
889 DEBUG(1,
890 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
891 local->card_status);
892 #endif /* RAY_IMMEDIATE_INIT */
893
894 /* copy mac and broadcast addresses to linux device */
895 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
896 memset(dev->broadcast, 0xff, ETH_ALEN);
897
898 DEBUG(2, "ray_dev_init ending\n");
899 return 0;
900 }
901
902 /*===========================================================================*/
903 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
904 {
905 ray_dev_t *local = netdev_priv(dev);
906 struct pcmcia_device *link = local->finder;
907 /* Dummy routine to satisfy device structure */
908 DEBUG(1, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
909 if (!(pcmcia_dev_present(link))) {
910 DEBUG(2, "ray_dev_config - device not present\n");
911 return -1;
912 }
913
914 return 0;
915 }
916
917 /*===========================================================================*/
918 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev)
919 {
920 ray_dev_t *local = netdev_priv(dev);
921 struct pcmcia_device *link = local->finder;
922 short length = skb->len;
923
924 if (!(pcmcia_dev_present(link))) {
925 DEBUG(2, "ray_dev_start_xmit - device not present\n");
926 return NETDEV_TX_LOCKED;
927 }
928 DEBUG(3, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
929 if (local->authentication_state == NEED_TO_AUTH) {
930 DEBUG(0, "ray_cs Sending authentication request.\n");
931 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
932 local->authentication_state = AUTHENTICATED;
933 netif_stop_queue(dev);
934 return NETDEV_TX_BUSY;
935 }
936 }
937
938 if (length < ETH_ZLEN) {
939 if (skb_padto(skb, ETH_ZLEN))
940 return NETDEV_TX_OK;
941 length = ETH_ZLEN;
942 }
943 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
944 case XMIT_NO_CCS:
945 case XMIT_NEED_AUTH:
946 netif_stop_queue(dev);
947 return NETDEV_TX_BUSY;
948 case XMIT_NO_INTR:
949 case XMIT_MSG_BAD:
950 case XMIT_OK:
951 default:
952 dev->trans_start = jiffies;
953 dev_kfree_skb(skb);
954 return NETDEV_TX_OK;
955 }
956 return NETDEV_TX_OK;
957 } /* ray_dev_start_xmit */
958
959 /*===========================================================================*/
960 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
961 UCHAR msg_type)
962 {
963 ray_dev_t *local = netdev_priv(dev);
964 struct ccs __iomem *pccs;
965 int ccsindex;
966 int offset;
967 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
968 short int addr; /* Address of xmit buffer in card space */
969
970 DEBUG(3, "ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
971 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
972 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
973 len);
974 return XMIT_MSG_BAD;
975 }
976 switch (ccsindex = get_free_tx_ccs(local)) {
977 case ECCSBUSY:
978 DEBUG(2, "ray_hw_xmit tx_ccs table busy\n");
979 case ECCSFULL:
980 DEBUG(2, "ray_hw_xmit No free tx ccs\n");
981 case ECARDGONE:
982 netif_stop_queue(dev);
983 return XMIT_NO_CCS;
984 default:
985 break;
986 }
987 addr = TX_BUF_BASE + (ccsindex << 11);
988
989 if (msg_type == DATA_TYPE) {
990 local->stats.tx_bytes += len;
991 local->stats.tx_packets++;
992 }
993
994 ptx = local->sram + addr;
995
996 ray_build_header(local, ptx, msg_type, data);
997 if (translate) {
998 offset = translate_frame(local, ptx, data, len);
999 } else { /* Encapsulate frame */
1000 /* TBD TIB length will move address of ptx->var */
1001 memcpy_toio(&ptx->var, data, len);
1002 offset = 0;
1003 }
1004
1005 /* fill in the CCS */
1006 pccs = ccs_base(local) + ccsindex;
1007 len += TX_HEADER_LENGTH + offset;
1008 writeb(CCS_TX_REQUEST, &pccs->cmd);
1009 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
1010 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
1011 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
1012 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
1013 /* TBD still need psm_cam? */
1014 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
1015 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
1016 writeb(0, &pccs->var.tx_request.antenna);
1017 DEBUG(3, "ray_hw_xmit default_tx_rate = 0x%x\n",
1018 local->net_default_tx_rate);
1019
1020 /* Interrupt the firmware to process the command */
1021 if (interrupt_ecf(local, ccsindex)) {
1022 DEBUG(2, "ray_hw_xmit failed - ECF not ready for intr\n");
1023 /* TBD very inefficient to copy packet to buffer, and then not
1024 send it, but the alternative is to queue the messages and that
1025 won't be done for a while. Maybe set tbusy until a CCS is free?
1026 */
1027 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1028 return XMIT_NO_INTR;
1029 }
1030 return XMIT_OK;
1031 } /* end ray_hw_xmit */
1032
1033 /*===========================================================================*/
1034 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1035 unsigned char *data, int len)
1036 {
1037 __be16 proto = ((struct ethhdr *)data)->h_proto;
1038 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1039 DEBUG(3, "ray_cs translate_frame DIX II\n");
1040 /* Copy LLC header to card buffer */
1041 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1042 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1043 (UCHAR *) &proto, 2);
1044 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1045 /* This is the selective translation table, only 2 entries */
1046 writeb(0xf8,
1047 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1048 }
1049 /* Copy body of ethernet packet without ethernet header */
1050 memcpy_toio((void __iomem *)&ptx->var +
1051 sizeof(struct snaphdr_t), data + ETH_HLEN,
1052 len - ETH_HLEN);
1053 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1054 } else { /* already 802 type, and proto is length */
1055 DEBUG(3, "ray_cs translate_frame 802\n");
1056 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1057 DEBUG(3, "ray_cs translate_frame evil IPX\n");
1058 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1059 return 0 - ETH_HLEN;
1060 }
1061 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1062 return 0 - ETH_HLEN;
1063 }
1064 /* TBD do other frame types */
1065 } /* end translate_frame */
1066
1067 /*===========================================================================*/
1068 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1069 UCHAR msg_type, unsigned char *data)
1070 {
1071 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1072 /*** IEEE 802.11 Address field assignments *************
1073 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1074 Adhoc 0 0 dest src (terminal) BSSID N/A
1075 AP to Terminal 0 1 dest AP(BSSID) source N/A
1076 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1077 AP to AP 1 1 dest AP src AP dest source
1078 *******************************************************/
1079 if (local->net_type == ADHOC) {
1080 writeb(0, &ptx->mac.frame_ctl_2);
1081 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1082 2 * ADDRLEN);
1083 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1084 } else { /* infrastructure */
1085
1086 if (local->sparm.b4.a_acting_as_ap_status) {
1087 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1088 memcpy_toio(ptx->mac.addr_1,
1089 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1090 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1091 memcpy_toio(ptx->mac.addr_3,
1092 ((struct ethhdr *)data)->h_source, ADDRLEN);
1093 } else { /* Terminal */
1094
1095 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1096 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1097 memcpy_toio(ptx->mac.addr_2,
1098 ((struct ethhdr *)data)->h_source, ADDRLEN);
1099 memcpy_toio(ptx->mac.addr_3,
1100 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1101 }
1102 }
1103 } /* end encapsulate_frame */
1104
1105 /*===========================================================================*/
1106
1107 static void netdev_get_drvinfo(struct net_device *dev,
1108 struct ethtool_drvinfo *info)
1109 {
1110 strcpy(info->driver, "ray_cs");
1111 }
1112
1113 static const struct ethtool_ops netdev_ethtool_ops = {
1114 .get_drvinfo = netdev_get_drvinfo,
1115 };
1116
1117 /*====================================================================*/
1118
1119 /*------------------------------------------------------------------*/
1120 /*
1121 * Wireless Handler : get protocol name
1122 */
1123 static int ray_get_name(struct net_device *dev,
1124 struct iw_request_info *info, char *cwrq, char *extra)
1125 {
1126 strcpy(cwrq, "IEEE 802.11-FH");
1127 return 0;
1128 }
1129
1130 /*------------------------------------------------------------------*/
1131 /*
1132 * Wireless Handler : set frequency
1133 */
1134 static int ray_set_freq(struct net_device *dev,
1135 struct iw_request_info *info,
1136 struct iw_freq *fwrq, char *extra)
1137 {
1138 ray_dev_t *local = netdev_priv(dev);
1139 int err = -EINPROGRESS; /* Call commit handler */
1140
1141 /* Reject if card is already initialised */
1142 if (local->card_status != CARD_AWAITING_PARAM)
1143 return -EBUSY;
1144
1145 /* Setting by channel number */
1146 if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
1147 err = -EOPNOTSUPP;
1148 else
1149 local->sparm.b5.a_hop_pattern = fwrq->m;
1150
1151 return err;
1152 }
1153
1154 /*------------------------------------------------------------------*/
1155 /*
1156 * Wireless Handler : get frequency
1157 */
1158 static int ray_get_freq(struct net_device *dev,
1159 struct iw_request_info *info,
1160 struct iw_freq *fwrq, char *extra)
1161 {
1162 ray_dev_t *local = netdev_priv(dev);
1163
1164 fwrq->m = local->sparm.b5.a_hop_pattern;
1165 fwrq->e = 0;
1166 return 0;
1167 }
1168
1169 /*------------------------------------------------------------------*/
1170 /*
1171 * Wireless Handler : set ESSID
1172 */
1173 static int ray_set_essid(struct net_device *dev,
1174 struct iw_request_info *info,
1175 struct iw_point *dwrq, char *extra)
1176 {
1177 ray_dev_t *local = netdev_priv(dev);
1178
1179 /* Reject if card is already initialised */
1180 if (local->card_status != CARD_AWAITING_PARAM)
1181 return -EBUSY;
1182
1183 /* Check if we asked for `any' */
1184 if (dwrq->flags == 0) {
1185 /* Corey : can you do that ? */
1186 return -EOPNOTSUPP;
1187 } else {
1188 /* Check the size of the string */
1189 if (dwrq->length > IW_ESSID_MAX_SIZE) {
1190 return -E2BIG;
1191 }
1192
1193 /* Set the ESSID in the card */
1194 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1195 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
1196 }
1197
1198 return -EINPROGRESS; /* Call commit handler */
1199 }
1200
1201 /*------------------------------------------------------------------*/
1202 /*
1203 * Wireless Handler : get ESSID
1204 */
1205 static int ray_get_essid(struct net_device *dev,
1206 struct iw_request_info *info,
1207 struct iw_point *dwrq, char *extra)
1208 {
1209 ray_dev_t *local = netdev_priv(dev);
1210
1211 /* Get the essid that was set */
1212 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1213
1214 /* Push it out ! */
1215 dwrq->length = strlen(extra);
1216 dwrq->flags = 1; /* active */
1217
1218 return 0;
1219 }
1220
1221 /*------------------------------------------------------------------*/
1222 /*
1223 * Wireless Handler : get AP address
1224 */
1225 static int ray_get_wap(struct net_device *dev,
1226 struct iw_request_info *info,
1227 struct sockaddr *awrq, char *extra)
1228 {
1229 ray_dev_t *local = netdev_priv(dev);
1230
1231 memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
1232 awrq->sa_family = ARPHRD_ETHER;
1233
1234 return 0;
1235 }
1236
1237 /*------------------------------------------------------------------*/
1238 /*
1239 * Wireless Handler : set Bit-Rate
1240 */
1241 static int ray_set_rate(struct net_device *dev,
1242 struct iw_request_info *info,
1243 struct iw_param *vwrq, char *extra)
1244 {
1245 ray_dev_t *local = netdev_priv(dev);
1246
1247 /* Reject if card is already initialised */
1248 if (local->card_status != CARD_AWAITING_PARAM)
1249 return -EBUSY;
1250
1251 /* Check if rate is in range */
1252 if ((vwrq->value != 1000000) && (vwrq->value != 2000000))
1253 return -EINVAL;
1254
1255 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1256 if ((local->fw_ver == 0x55) && /* Please check */
1257 (vwrq->value == 2000000))
1258 local->net_default_tx_rate = 3;
1259 else
1260 local->net_default_tx_rate = vwrq->value / 500000;
1261
1262 return 0;
1263 }
1264
1265 /*------------------------------------------------------------------*/
1266 /*
1267 * Wireless Handler : get Bit-Rate
1268 */
1269 static int ray_get_rate(struct net_device *dev,
1270 struct iw_request_info *info,
1271 struct iw_param *vwrq, char *extra)
1272 {
1273 ray_dev_t *local = netdev_priv(dev);
1274
1275 if (local->net_default_tx_rate == 3)
1276 vwrq->value = 2000000; /* Hum... */
1277 else
1278 vwrq->value = local->net_default_tx_rate * 500000;
1279 vwrq->fixed = 0; /* We are in auto mode */
1280
1281 return 0;
1282 }
1283
1284 /*------------------------------------------------------------------*/
1285 /*
1286 * Wireless Handler : set RTS threshold
1287 */
1288 static int ray_set_rts(struct net_device *dev,
1289 struct iw_request_info *info,
1290 struct iw_param *vwrq, char *extra)
1291 {
1292 ray_dev_t *local = netdev_priv(dev);
1293 int rthr = vwrq->value;
1294
1295 /* Reject if card is already initialised */
1296 if (local->card_status != CARD_AWAITING_PARAM)
1297 return -EBUSY;
1298
1299 /* if(wrq->u.rts.fixed == 0) we should complain */
1300 if (vwrq->disabled)
1301 rthr = 32767;
1302 else {
1303 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1304 return -EINVAL;
1305 }
1306 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1307 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1308
1309 return -EINPROGRESS; /* Call commit handler */
1310 }
1311
1312 /*------------------------------------------------------------------*/
1313 /*
1314 * Wireless Handler : get RTS threshold
1315 */
1316 static int ray_get_rts(struct net_device *dev,
1317 struct iw_request_info *info,
1318 struct iw_param *vwrq, char *extra)
1319 {
1320 ray_dev_t *local = netdev_priv(dev);
1321
1322 vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
1323 + local->sparm.b5.a_rts_threshold[1];
1324 vwrq->disabled = (vwrq->value == 32767);
1325 vwrq->fixed = 1;
1326
1327 return 0;
1328 }
1329
1330 /*------------------------------------------------------------------*/
1331 /*
1332 * Wireless Handler : set Fragmentation threshold
1333 */
1334 static int ray_set_frag(struct net_device *dev,
1335 struct iw_request_info *info,
1336 struct iw_param *vwrq, char *extra)
1337 {
1338 ray_dev_t *local = netdev_priv(dev);
1339 int fthr = vwrq->value;
1340
1341 /* Reject if card is already initialised */
1342 if (local->card_status != CARD_AWAITING_PARAM)
1343 return -EBUSY;
1344
1345 /* if(wrq->u.frag.fixed == 0) should complain */
1346 if (vwrq->disabled)
1347 fthr = 32767;
1348 else {
1349 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1350 return -EINVAL;
1351 }
1352 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1353 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1354
1355 return -EINPROGRESS; /* Call commit handler */
1356 }
1357
1358 /*------------------------------------------------------------------*/
1359 /*
1360 * Wireless Handler : get Fragmentation threshold
1361 */
1362 static int ray_get_frag(struct net_device *dev,
1363 struct iw_request_info *info,
1364 struct iw_param *vwrq, char *extra)
1365 {
1366 ray_dev_t *local = netdev_priv(dev);
1367
1368 vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
1369 + local->sparm.b5.a_frag_threshold[1];
1370 vwrq->disabled = (vwrq->value == 32767);
1371 vwrq->fixed = 1;
1372
1373 return 0;
1374 }
1375
1376 /*------------------------------------------------------------------*/
1377 /*
1378 * Wireless Handler : set Mode of Operation
1379 */
1380 static int ray_set_mode(struct net_device *dev,
1381 struct iw_request_info *info, __u32 *uwrq, char *extra)
1382 {
1383 ray_dev_t *local = netdev_priv(dev);
1384 int err = -EINPROGRESS; /* Call commit handler */
1385 char card_mode = 1;
1386
1387 /* Reject if card is already initialised */
1388 if (local->card_status != CARD_AWAITING_PARAM)
1389 return -EBUSY;
1390
1391 switch (*uwrq) {
1392 case IW_MODE_ADHOC:
1393 card_mode = 0;
1394 /* Fall through */
1395 case IW_MODE_INFRA:
1396 local->sparm.b5.a_network_type = card_mode;
1397 break;
1398 default:
1399 err = -EINVAL;
1400 }
1401
1402 return err;
1403 }
1404
1405 /*------------------------------------------------------------------*/
1406 /*
1407 * Wireless Handler : get Mode of Operation
1408 */
1409 static int ray_get_mode(struct net_device *dev,
1410 struct iw_request_info *info, __u32 *uwrq, char *extra)
1411 {
1412 ray_dev_t *local = netdev_priv(dev);
1413
1414 if (local->sparm.b5.a_network_type)
1415 *uwrq = IW_MODE_INFRA;
1416 else
1417 *uwrq = IW_MODE_ADHOC;
1418
1419 return 0;
1420 }
1421
1422 /*------------------------------------------------------------------*/
1423 /*
1424 * Wireless Handler : get range info
1425 */
1426 static int ray_get_range(struct net_device *dev,
1427 struct iw_request_info *info,
1428 struct iw_point *dwrq, char *extra)
1429 {
1430 struct iw_range *range = (struct iw_range *)extra;
1431
1432 memset((char *)range, 0, sizeof(struct iw_range));
1433
1434 /* Set the length (very important for backward compatibility) */
1435 dwrq->length = sizeof(struct iw_range);
1436
1437 /* Set the Wireless Extension versions */
1438 range->we_version_compiled = WIRELESS_EXT;
1439 range->we_version_source = 9;
1440
1441 /* Set information in the range struct */
1442 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1443 range->num_channels = hop_pattern_length[(int)country];
1444 range->num_frequency = 0;
1445 range->max_qual.qual = 0;
1446 range->max_qual.level = 255; /* What's the correct value ? */
1447 range->max_qual.noise = 255; /* Idem */
1448 range->num_bitrates = 2;
1449 range->bitrate[0] = 1000000; /* 1 Mb/s */
1450 range->bitrate[1] = 2000000; /* 2 Mb/s */
1451 return 0;
1452 }
1453
1454 /*------------------------------------------------------------------*/
1455 /*
1456 * Wireless Private Handler : set framing mode
1457 */
1458 static int ray_set_framing(struct net_device *dev,
1459 struct iw_request_info *info,
1460 union iwreq_data *wrqu, char *extra)
1461 {
1462 translate = *(extra); /* Set framing mode */
1463
1464 return 0;
1465 }
1466
1467 /*------------------------------------------------------------------*/
1468 /*
1469 * Wireless Private Handler : get framing mode
1470 */
1471 static int ray_get_framing(struct net_device *dev,
1472 struct iw_request_info *info,
1473 union iwreq_data *wrqu, char *extra)
1474 {
1475 *(extra) = translate;
1476
1477 return 0;
1478 }
1479
1480 /*------------------------------------------------------------------*/
1481 /*
1482 * Wireless Private Handler : get country
1483 */
1484 static int ray_get_country(struct net_device *dev,
1485 struct iw_request_info *info,
1486 union iwreq_data *wrqu, char *extra)
1487 {
1488 *(extra) = country;
1489
1490 return 0;
1491 }
1492
1493 /*------------------------------------------------------------------*/
1494 /*
1495 * Commit handler : called after a bunch of SET operations
1496 */
1497 static int ray_commit(struct net_device *dev, struct iw_request_info *info, /* NULL */
1498 void *zwrq, /* NULL */
1499 char *extra)
1500 { /* NULL */
1501 return 0;
1502 }
1503
1504 /*------------------------------------------------------------------*/
1505 /*
1506 * Stats handler : return Wireless Stats
1507 */
1508 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1509 {
1510 ray_dev_t *local = netdev_priv(dev);
1511 struct pcmcia_device *link = local->finder;
1512 struct status __iomem *p = local->sram + STATUS_BASE;
1513
1514 if (local == (ray_dev_t *) NULL)
1515 return (iw_stats *) NULL;
1516
1517 local->wstats.status = local->card_status;
1518 #ifdef WIRELESS_SPY
1519 if ((local->spy_data.spy_number > 0)
1520 && (local->sparm.b5.a_network_type == 0)) {
1521 /* Get it from the first node in spy list */
1522 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1523 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1524 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1525 local->wstats.qual.updated =
1526 local->spy_data.spy_stat[0].updated;
1527 }
1528 #endif /* WIRELESS_SPY */
1529
1530 if (pcmcia_dev_present(link)) {
1531 local->wstats.qual.noise = readb(&p->rxnoise);
1532 local->wstats.qual.updated |= 4;
1533 }
1534
1535 return &local->wstats;
1536 } /* end ray_get_wireless_stats */
1537
1538 /*------------------------------------------------------------------*/
1539 /*
1540 * Structures to export the Wireless Handlers
1541 */
1542
1543 static const iw_handler ray_handler[] = {
1544 [SIOCSIWCOMMIT - SIOCIWFIRST] = (iw_handler) ray_commit,
1545 [SIOCGIWNAME - SIOCIWFIRST] = (iw_handler) ray_get_name,
1546 [SIOCSIWFREQ - SIOCIWFIRST] = (iw_handler) ray_set_freq,
1547 [SIOCGIWFREQ - SIOCIWFIRST] = (iw_handler) ray_get_freq,
1548 [SIOCSIWMODE - SIOCIWFIRST] = (iw_handler) ray_set_mode,
1549 [SIOCGIWMODE - SIOCIWFIRST] = (iw_handler) ray_get_mode,
1550 [SIOCGIWRANGE - SIOCIWFIRST] = (iw_handler) ray_get_range,
1551 #ifdef WIRELESS_SPY
1552 [SIOCSIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
1553 [SIOCGIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
1554 [SIOCSIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
1555 [SIOCGIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
1556 #endif /* WIRELESS_SPY */
1557 [SIOCGIWAP - SIOCIWFIRST] = (iw_handler) ray_get_wap,
1558 [SIOCSIWESSID - SIOCIWFIRST] = (iw_handler) ray_set_essid,
1559 [SIOCGIWESSID - SIOCIWFIRST] = (iw_handler) ray_get_essid,
1560 [SIOCSIWRATE - SIOCIWFIRST] = (iw_handler) ray_set_rate,
1561 [SIOCGIWRATE - SIOCIWFIRST] = (iw_handler) ray_get_rate,
1562 [SIOCSIWRTS - SIOCIWFIRST] = (iw_handler) ray_set_rts,
1563 [SIOCGIWRTS - SIOCIWFIRST] = (iw_handler) ray_get_rts,
1564 [SIOCSIWFRAG - SIOCIWFIRST] = (iw_handler) ray_set_frag,
1565 [SIOCGIWFRAG - SIOCIWFIRST] = (iw_handler) ray_get_frag,
1566 };
1567
1568 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1569 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1570 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1571
1572 static const iw_handler ray_private_handler[] = {
1573 [0] = (iw_handler) ray_set_framing,
1574 [1] = (iw_handler) ray_get_framing,
1575 [3] = (iw_handler) ray_get_country,
1576 };
1577
1578 static const struct iw_priv_args ray_private_args[] = {
1579 /* cmd, set_args, get_args, name */
1580 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1581 "set_framing"},
1582 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1583 "get_framing"},
1584 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1585 "get_country"},
1586 };
1587
1588 static const struct iw_handler_def ray_handler_def = {
1589 .num_standard = ARRAY_SIZE(ray_handler),
1590 .num_private = ARRAY_SIZE(ray_private_handler),
1591 .num_private_args = ARRAY_SIZE(ray_private_args),
1592 .standard = ray_handler,
1593 .private = ray_private_handler,
1594 .private_args = ray_private_args,
1595 .get_wireless_stats = ray_get_wireless_stats,
1596 };
1597
1598 /*===========================================================================*/
1599 static int ray_open(struct net_device *dev)
1600 {
1601 ray_dev_t *local = netdev_priv(dev);
1602 struct pcmcia_device *link;
1603 link = local->finder;
1604
1605 DEBUG(1, "ray_open('%s')\n", dev->name);
1606
1607 if (link->open == 0)
1608 local->num_multi = 0;
1609 link->open++;
1610
1611 /* If the card is not started, time to start it ! - Jean II */
1612 if (local->card_status == CARD_AWAITING_PARAM) {
1613 int i;
1614
1615 DEBUG(1, "ray_open: doing init now !\n");
1616
1617 /* Download startup parameters */
1618 if ((i = dl_startup_params(dev)) < 0) {
1619 printk(KERN_INFO
1620 "ray_dev_init dl_startup_params failed - "
1621 "returns 0x%x\n", i);
1622 return -1;
1623 }
1624 }
1625
1626 if (sniffer)
1627 netif_stop_queue(dev);
1628 else
1629 netif_start_queue(dev);
1630
1631 DEBUG(2, "ray_open ending\n");
1632 return 0;
1633 } /* end ray_open */
1634
1635 /*===========================================================================*/
1636 static int ray_dev_close(struct net_device *dev)
1637 {
1638 ray_dev_t *local = netdev_priv(dev);
1639 struct pcmcia_device *link;
1640 link = local->finder;
1641
1642 DEBUG(1, "ray_dev_close('%s')\n", dev->name);
1643
1644 link->open--;
1645 netif_stop_queue(dev);
1646
1647 /* In here, we should stop the hardware (stop card from beeing active)
1648 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1649 * card is closed we can chage its configuration.
1650 * Probably also need a COR reset to get sane state - Jean II */
1651
1652 return 0;
1653 } /* end ray_dev_close */
1654
1655 /*===========================================================================*/
1656 static void ray_reset(struct net_device *dev)
1657 {
1658 DEBUG(1, "ray_reset entered\n");
1659 return;
1660 }
1661
1662 /*===========================================================================*/
1663 /* Cause a firmware interrupt if it is ready for one */
1664 /* Return nonzero if not ready */
1665 static int interrupt_ecf(ray_dev_t *local, int ccs)
1666 {
1667 int i = 50;
1668 struct pcmcia_device *link = local->finder;
1669
1670 if (!(pcmcia_dev_present(link))) {
1671 DEBUG(2, "ray_cs interrupt_ecf - device not present\n");
1672 return -1;
1673 }
1674 DEBUG(2, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1675
1676 while (i &&
1677 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1678 ECF_INTR_SET))
1679 i--;
1680 if (i == 0) {
1681 DEBUG(2, "ray_cs interrupt_ecf card not ready for interrupt\n");
1682 return -1;
1683 }
1684 /* Fill the mailbox, then kick the card */
1685 writeb(ccs, local->sram + SCB_BASE);
1686 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1687 return 0;
1688 } /* interrupt_ecf */
1689
1690 /*===========================================================================*/
1691 /* Get next free transmit CCS */
1692 /* Return - index of current tx ccs */
1693 static int get_free_tx_ccs(ray_dev_t *local)
1694 {
1695 int i;
1696 struct ccs __iomem *pccs = ccs_base(local);
1697 struct pcmcia_device *link = local->finder;
1698
1699 if (!(pcmcia_dev_present(link))) {
1700 DEBUG(2, "ray_cs get_free_tx_ccs - device not present\n");
1701 return ECARDGONE;
1702 }
1703
1704 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1705 DEBUG(1, "ray_cs tx_ccs_lock busy\n");
1706 return ECCSBUSY;
1707 }
1708
1709 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1710 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1711 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1712 writeb(CCS_END_LIST, &(pccs + i)->link);
1713 local->tx_ccs_lock = 0;
1714 return i;
1715 }
1716 }
1717 local->tx_ccs_lock = 0;
1718 DEBUG(2, "ray_cs ERROR no free tx CCS for raylink card\n");
1719 return ECCSFULL;
1720 } /* get_free_tx_ccs */
1721
1722 /*===========================================================================*/
1723 /* Get next free CCS */
1724 /* Return - index of current ccs */
1725 static int get_free_ccs(ray_dev_t *local)
1726 {
1727 int i;
1728 struct ccs __iomem *pccs = ccs_base(local);
1729 struct pcmcia_device *link = local->finder;
1730
1731 if (!(pcmcia_dev_present(link))) {
1732 DEBUG(2, "ray_cs get_free_ccs - device not present\n");
1733 return ECARDGONE;
1734 }
1735 if (test_and_set_bit(0, &local->ccs_lock)) {
1736 DEBUG(1, "ray_cs ccs_lock busy\n");
1737 return ECCSBUSY;
1738 }
1739
1740 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1741 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1742 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1743 writeb(CCS_END_LIST, &(pccs + i)->link);
1744 local->ccs_lock = 0;
1745 return i;
1746 }
1747 }
1748 local->ccs_lock = 0;
1749 DEBUG(1, "ray_cs ERROR no free CCS for raylink card\n");
1750 return ECCSFULL;
1751 } /* get_free_ccs */
1752
1753 /*===========================================================================*/
1754 static void authenticate_timeout(u_long data)
1755 {
1756 ray_dev_t *local = (ray_dev_t *) data;
1757 del_timer(&local->timer);
1758 printk(KERN_INFO "ray_cs Authentication with access point failed"
1759 " - timeout\n");
1760 join_net((u_long) local);
1761 }
1762
1763 /*===========================================================================*/
1764 static int asc_to_int(char a)
1765 {
1766 if (a < '0')
1767 return -1;
1768 if (a <= '9')
1769 return (a - '0');
1770 if (a < 'A')
1771 return -1;
1772 if (a <= 'F')
1773 return (10 + a - 'A');
1774 if (a < 'a')
1775 return -1;
1776 if (a <= 'f')
1777 return (10 + a - 'a');
1778 return -1;
1779 }
1780
1781 /*===========================================================================*/
1782 static int parse_addr(char *in_str, UCHAR *out)
1783 {
1784 int len;
1785 int i, j, k;
1786 int status;
1787
1788 if (in_str == NULL)
1789 return 0;
1790 if ((len = strlen(in_str)) < 2)
1791 return 0;
1792 memset(out, 0, ADDRLEN);
1793
1794 status = 1;
1795 j = len - 1;
1796 if (j > 12)
1797 j = 12;
1798 i = 5;
1799
1800 while (j > 0) {
1801 if ((k = asc_to_int(in_str[j--])) != -1)
1802 out[i] = k;
1803 else
1804 return 0;
1805
1806 if (j == 0)
1807 break;
1808 if ((k = asc_to_int(in_str[j--])) != -1)
1809 out[i] += k << 4;
1810 else
1811 return 0;
1812 if (!i--)
1813 break;
1814 }
1815 return status;
1816 }
1817
1818 /*===========================================================================*/
1819 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1820 {
1821 ray_dev_t *local = netdev_priv(dev);
1822 struct pcmcia_device *link = local->finder;
1823 struct status __iomem *p = local->sram + STATUS_BASE;
1824 if (!(pcmcia_dev_present(link))) {
1825 DEBUG(2, "ray_cs net_device_stats - device not present\n");
1826 return &local->stats;
1827 }
1828 if (readb(&p->mrx_overflow_for_host)) {
1829 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1830 writeb(0, &p->mrx_overflow);
1831 writeb(0, &p->mrx_overflow_for_host);
1832 }
1833 if (readb(&p->mrx_checksum_error_for_host)) {
1834 local->stats.rx_crc_errors +=
1835 swab16(readw(&p->mrx_checksum_error));
1836 writeb(0, &p->mrx_checksum_error);
1837 writeb(0, &p->mrx_checksum_error_for_host);
1838 }
1839 if (readb(&p->rx_hec_error_for_host)) {
1840 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1841 writeb(0, &p->rx_hec_error);
1842 writeb(0, &p->rx_hec_error_for_host);
1843 }
1844 return &local->stats;
1845 }
1846
1847 /*===========================================================================*/
1848 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1849 int len)
1850 {
1851 ray_dev_t *local = netdev_priv(dev);
1852 struct pcmcia_device *link = local->finder;
1853 int ccsindex;
1854 int i;
1855 struct ccs __iomem *pccs;
1856
1857 if (!(pcmcia_dev_present(link))) {
1858 DEBUG(2, "ray_update_parm - device not present\n");
1859 return;
1860 }
1861
1862 if ((ccsindex = get_free_ccs(local)) < 0) {
1863 DEBUG(0, "ray_update_parm - No free ccs\n");
1864 return;
1865 }
1866 pccs = ccs_base(local) + ccsindex;
1867 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1868 writeb(objid, &pccs->var.update_param.object_id);
1869 writeb(1, &pccs->var.update_param.number_objects);
1870 writeb(0, &pccs->var.update_param.failure_cause);
1871 for (i = 0; i < len; i++) {
1872 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1873 }
1874 /* Interrupt the firmware to process the command */
1875 if (interrupt_ecf(local, ccsindex)) {
1876 DEBUG(0, "ray_cs associate failed - ECF not ready for intr\n");
1877 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1878 }
1879 }
1880
1881 /*===========================================================================*/
1882 static void ray_update_multi_list(struct net_device *dev, int all)
1883 {
1884 struct dev_mc_list *dmi, **dmip;
1885 int ccsindex;
1886 struct ccs __iomem *pccs;
1887 int i = 0;
1888 ray_dev_t *local = netdev_priv(dev);
1889 struct pcmcia_device *link = local->finder;
1890 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1891
1892 if (!(pcmcia_dev_present(link))) {
1893 DEBUG(2, "ray_update_multi_list - device not present\n");
1894 return;
1895 } else
1896 DEBUG(2, "ray_update_multi_list(%p)\n", dev);
1897 if ((ccsindex = get_free_ccs(local)) < 0) {
1898 DEBUG(1, "ray_update_multi - No free ccs\n");
1899 return;
1900 }
1901 pccs = ccs_base(local) + ccsindex;
1902 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1903
1904 if (all) {
1905 writeb(0xff, &pccs->var);
1906 local->num_multi = 0xff;
1907 } else {
1908 /* Copy the kernel's list of MC addresses to card */
1909 for (dmip = &dev->mc_list; (dmi = *dmip) != NULL;
1910 dmip = &dmi->next) {
1911 memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
1912 DEBUG(1,
1913 "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1914 dmi->dmi_addr[0], dmi->dmi_addr[1],
1915 dmi->dmi_addr[2], dmi->dmi_addr[3],
1916 dmi->dmi_addr[4], dmi->dmi_addr[5]);
1917 p += ETH_ALEN;
1918 i++;
1919 }
1920 if (i > 256 / ADDRLEN)
1921 i = 256 / ADDRLEN;
1922 writeb((UCHAR) i, &pccs->var);
1923 DEBUG(1, "ray_cs update_multi %d addresses in list\n", i);
1924 /* Interrupt the firmware to process the command */
1925 local->num_multi = i;
1926 }
1927 if (interrupt_ecf(local, ccsindex)) {
1928 DEBUG(1,
1929 "ray_cs update_multi failed - ECF not ready for intr\n");
1930 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1931 }
1932 } /* end ray_update_multi_list */
1933
1934 /*===========================================================================*/
1935 static void set_multicast_list(struct net_device *dev)
1936 {
1937 ray_dev_t *local = netdev_priv(dev);
1938 UCHAR promisc;
1939
1940 DEBUG(2, "ray_cs set_multicast_list(%p)\n", dev);
1941
1942 if (dev->flags & IFF_PROMISC) {
1943 if (local->sparm.b5.a_promiscuous_mode == 0) {
1944 DEBUG(1, "ray_cs set_multicast_list promisc on\n");
1945 local->sparm.b5.a_promiscuous_mode = 1;
1946 promisc = 1;
1947 ray_update_parm(dev, OBJID_promiscuous_mode,
1948 &promisc, sizeof(promisc));
1949 }
1950 } else {
1951 if (local->sparm.b5.a_promiscuous_mode == 1) {
1952 DEBUG(1, "ray_cs set_multicast_list promisc off\n");
1953 local->sparm.b5.a_promiscuous_mode = 0;
1954 promisc = 0;
1955 ray_update_parm(dev, OBJID_promiscuous_mode,
1956 &promisc, sizeof(promisc));
1957 }
1958 }
1959
1960 if (dev->flags & IFF_ALLMULTI)
1961 ray_update_multi_list(dev, 1);
1962 else {
1963 if (local->num_multi != dev->mc_count)
1964 ray_update_multi_list(dev, 0);
1965 }
1966 } /* end set_multicast_list */
1967
1968 /*=============================================================================
1969 * All routines below here are run at interrupt time.
1970 =============================================================================*/
1971 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1972 {
1973 struct net_device *dev = (struct net_device *)dev_id;
1974 struct pcmcia_device *link;
1975 ray_dev_t *local;
1976 struct ccs __iomem *pccs;
1977 struct rcs __iomem *prcs;
1978 UCHAR rcsindex;
1979 UCHAR tmp;
1980 UCHAR cmd;
1981 UCHAR status;
1982
1983 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1984 return IRQ_NONE;
1985
1986 DEBUG(4, "ray_cs: interrupt for *dev=%p\n", dev);
1987
1988 local = netdev_priv(dev);
1989 link = (struct pcmcia_device *)local->finder;
1990 if (!pcmcia_dev_present(link)) {
1991 DEBUG(2,
1992 "ray_cs interrupt from device not present or suspended.\n");
1993 return IRQ_NONE;
1994 }
1995 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1996
1997 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1998 DEBUG(1, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1999 clear_interrupt(local);
2000 return IRQ_HANDLED;
2001 }
2002 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
2003 pccs = ccs_base(local) + rcsindex;
2004 cmd = readb(&pccs->cmd);
2005 status = readb(&pccs->buffer_status);
2006 switch (cmd) {
2007 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
2008 del_timer(&local->timer);
2009 if (status == CCS_COMMAND_COMPLETE) {
2010 DEBUG(1,
2011 "ray_cs interrupt download_startup_parameters OK\n");
2012 } else {
2013 DEBUG(1,
2014 "ray_cs interrupt download_startup_parameters fail\n");
2015 }
2016 break;
2017 case CCS_UPDATE_PARAMS:
2018 DEBUG(1, "ray_cs interrupt update params done\n");
2019 if (status != CCS_COMMAND_COMPLETE) {
2020 tmp =
2021 readb(&pccs->var.update_param.
2022 failure_cause);
2023 DEBUG(0,
2024 "ray_cs interrupt update params failed - reason %d\n",
2025 tmp);
2026 }
2027 break;
2028 case CCS_REPORT_PARAMS:
2029 DEBUG(1, "ray_cs interrupt report params done\n");
2030 break;
2031 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
2032 DEBUG(1,
2033 "ray_cs interrupt CCS Update Multicast List done\n");
2034 break;
2035 case CCS_UPDATE_POWER_SAVINGS_MODE:
2036 DEBUG(1,
2037 "ray_cs interrupt update power save mode done\n");
2038 break;
2039 case CCS_START_NETWORK:
2040 case CCS_JOIN_NETWORK:
2041 if (status == CCS_COMMAND_COMPLETE) {
2042 if (readb
2043 (&pccs->var.start_network.net_initiated) ==
2044 1) {
2045 DEBUG(0,
2046 "ray_cs interrupt network \"%s\" started\n",
2047 local->sparm.b4.a_current_ess_id);
2048 } else {
2049 DEBUG(0,
2050 "ray_cs interrupt network \"%s\" joined\n",
2051 local->sparm.b4.a_current_ess_id);
2052 }
2053 memcpy_fromio(&local->bss_id,
2054 pccs->var.start_network.bssid,
2055 ADDRLEN);
2056
2057 if (local->fw_ver == 0x55)
2058 local->net_default_tx_rate = 3;
2059 else
2060 local->net_default_tx_rate =
2061 readb(&pccs->var.start_network.
2062 net_default_tx_rate);
2063 local->encryption =
2064 readb(&pccs->var.start_network.encryption);
2065 if (!sniffer && (local->net_type == INFRA)
2066 && !(local->sparm.b4.a_acting_as_ap_status)) {
2067 authenticate(local);
2068 }
2069 local->card_status = CARD_ACQ_COMPLETE;
2070 } else {
2071 local->card_status = CARD_ACQ_FAILED;
2072
2073 del_timer(&local->timer);
2074 local->timer.expires = jiffies + HZ * 5;
2075 local->timer.data = (long)local;
2076 if (status == CCS_START_NETWORK) {
2077 DEBUG(0,
2078 "ray_cs interrupt network \"%s\" start failed\n",
2079 local->sparm.b4.a_current_ess_id);
2080 local->timer.function = &start_net;
2081 } else {
2082 DEBUG(0,
2083 "ray_cs interrupt network \"%s\" join failed\n",
2084 local->sparm.b4.a_current_ess_id);
2085 local->timer.function = &join_net;
2086 }
2087 add_timer(&local->timer);
2088 }
2089 break;
2090 case CCS_START_ASSOCIATION:
2091 if (status == CCS_COMMAND_COMPLETE) {
2092 local->card_status = CARD_ASSOC_COMPLETE;
2093 DEBUG(0, "ray_cs association successful\n");
2094 } else {
2095 DEBUG(0, "ray_cs association failed,\n");
2096 local->card_status = CARD_ASSOC_FAILED;
2097 join_net((u_long) local);
2098 }
2099 break;
2100 case CCS_TX_REQUEST:
2101 if (status == CCS_COMMAND_COMPLETE) {
2102 DEBUG(3,
2103 "ray_cs interrupt tx request complete\n");
2104 } else {
2105 DEBUG(1,
2106 "ray_cs interrupt tx request failed\n");
2107 }
2108 if (!sniffer)
2109 netif_start_queue(dev);
2110 netif_wake_queue(dev);
2111 break;
2112 case CCS_TEST_MEMORY:
2113 DEBUG(1, "ray_cs interrupt mem test done\n");
2114 break;
2115 case CCS_SHUTDOWN:
2116 DEBUG(1,
2117 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2118 break;
2119 case CCS_DUMP_MEMORY:
2120 DEBUG(1, "ray_cs interrupt dump memory done\n");
2121 break;
2122 case CCS_START_TIMER:
2123 DEBUG(2,
2124 "ray_cs interrupt DING - raylink timer expired\n");
2125 break;
2126 default:
2127 DEBUG(1,
2128 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2129 rcsindex, cmd);
2130 }
2131 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2132 } else { /* It's an RCS */
2133
2134 prcs = rcs_base(local) + rcsindex;
2135
2136 switch (readb(&prcs->interrupt_id)) {
2137 case PROCESS_RX_PACKET:
2138 ray_rx(dev, local, prcs);
2139 break;
2140 case REJOIN_NET_COMPLETE:
2141 DEBUG(1, "ray_cs interrupt rejoin net complete\n");
2142 local->card_status = CARD_ACQ_COMPLETE;
2143 /* do we need to clear tx buffers CCS's? */
2144 if (local->sparm.b4.a_network_type == ADHOC) {
2145 if (!sniffer)
2146 netif_start_queue(dev);
2147 } else {
2148 memcpy_fromio(&local->bss_id,
2149 prcs->var.rejoin_net_complete.
2150 bssid, ADDRLEN);
2151 DEBUG(1,
2152 "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2153 local->bss_id[0], local->bss_id[1],
2154 local->bss_id[2], local->bss_id[3],
2155 local->bss_id[4], local->bss_id[5]);
2156 if (!sniffer)
2157 authenticate(local);
2158 }
2159 break;
2160 case ROAMING_INITIATED:
2161 DEBUG(1, "ray_cs interrupt roaming initiated\n");
2162 netif_stop_queue(dev);
2163 local->card_status = CARD_DOING_ACQ;
2164 break;
2165 case JAPAN_CALL_SIGN_RXD:
2166 DEBUG(1, "ray_cs interrupt japan call sign rx\n");
2167 break;
2168 default:
2169 DEBUG(1,
2170 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2171 rcsindex,
2172 (unsigned int)readb(&prcs->interrupt_id));
2173 break;
2174 }
2175 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2176 }
2177 clear_interrupt(local);
2178 return IRQ_HANDLED;
2179 } /* ray_interrupt */
2180
2181 /*===========================================================================*/
2182 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2183 struct rcs __iomem *prcs)
2184 {
2185 int rx_len;
2186 unsigned int pkt_addr;
2187 void __iomem *pmsg;
2188 DEBUG(4, "ray_rx process rx packet\n");
2189
2190 /* Calculate address of packet within Rx buffer */
2191 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2192 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2193 /* Length of first packet fragment */
2194 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2195 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2196
2197 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2198 pmsg = local->rmem + pkt_addr;
2199 switch (readb(pmsg)) {
2200 case DATA_TYPE:
2201 DEBUG(4, "ray_rx data type\n");
2202 rx_data(dev, prcs, pkt_addr, rx_len);
2203 break;
2204 case AUTHENTIC_TYPE:
2205 DEBUG(4, "ray_rx authentic type\n");
2206 if (sniffer)
2207 rx_data(dev, prcs, pkt_addr, rx_len);
2208 else
2209 rx_authenticate(local, prcs, pkt_addr, rx_len);
2210 break;
2211 case DEAUTHENTIC_TYPE:
2212 DEBUG(4, "ray_rx deauth type\n");
2213 if (sniffer)
2214 rx_data(dev, prcs, pkt_addr, rx_len);
2215 else
2216 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2217 break;
2218 case NULL_MSG_TYPE:
2219 DEBUG(3, "ray_cs rx NULL msg\n");
2220 break;
2221 case BEACON_TYPE:
2222 DEBUG(4, "ray_rx beacon type\n");
2223 if (sniffer)
2224 rx_data(dev, prcs, pkt_addr, rx_len);
2225
2226 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2227 rx_len < sizeof(struct beacon_rx) ?
2228 rx_len : sizeof(struct beacon_rx));
2229
2230 local->beacon_rxed = 1;
2231 /* Get the statistics so the card counters never overflow */
2232 ray_get_stats(dev);
2233 break;
2234 default:
2235 DEBUG(0, "ray_cs unknown pkt type %2x\n",
2236 (unsigned int)readb(pmsg));
2237 break;
2238 }
2239
2240 } /* end ray_rx */
2241
2242 /*===========================================================================*/
2243 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2244 unsigned int pkt_addr, int rx_len)
2245 {
2246 struct sk_buff *skb = NULL;
2247 struct rcs __iomem *prcslink = prcs;
2248 ray_dev_t *local = netdev_priv(dev);
2249 UCHAR *rx_ptr;
2250 int total_len;
2251 int tmp;
2252 #ifdef WIRELESS_SPY
2253 int siglev = local->last_rsl;
2254 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2255 #endif
2256
2257 if (!sniffer) {
2258 if (translate) {
2259 /* TBD length needs fixing for translated header */
2260 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2261 rx_len >
2262 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2263 FCS_LEN)) {
2264 DEBUG(0,
2265 "ray_cs invalid packet length %d received \n",
2266 rx_len);
2267 return;
2268 }
2269 } else { /* encapsulated ethernet */
2270
2271 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2272 rx_len >
2273 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2274 FCS_LEN)) {
2275 DEBUG(0,
2276 "ray_cs invalid packet length %d received \n",
2277 rx_len);
2278 return;
2279 }
2280 }
2281 }
2282 DEBUG(4, "ray_cs rx_data packet\n");
2283 /* If fragmented packet, verify sizes of fragments add up */
2284 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2285 DEBUG(1, "ray_cs rx'ed fragment\n");
2286 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2287 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2288 total_len = tmp;
2289 prcslink = prcs;
2290 do {
2291 tmp -=
2292 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2293 << 8)
2294 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2295 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2296 == 0xFF || tmp < 0)
2297 break;
2298 prcslink = rcs_base(local)
2299 + readb(&prcslink->link_field);
2300 } while (1);
2301
2302 if (tmp < 0) {
2303 DEBUG(0,
2304 "ray_cs rx_data fragment lengths don't add up\n");
2305 local->stats.rx_dropped++;
2306 release_frag_chain(local, prcs);
2307 return;
2308 }
2309 } else { /* Single unfragmented packet */
2310 total_len = rx_len;
2311 }
2312
2313 skb = dev_alloc_skb(total_len + 5);
2314 if (skb == NULL) {
2315 DEBUG(0, "ray_cs rx_data could not allocate skb\n");
2316 local->stats.rx_dropped++;
2317 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2318 release_frag_chain(local, prcs);
2319 return;
2320 }
2321 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2322
2323 DEBUG(4, "ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2324 rx_len);
2325
2326 /************************/
2327 /* Reserve enough room for the whole damn packet. */
2328 rx_ptr = skb_put(skb, total_len);
2329 /* Copy the whole packet to sk_buff */
2330 rx_ptr +=
2331 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2332 /* Get source address */
2333 #ifdef WIRELESS_SPY
2334 skb_copy_from_linear_data_offset(skb,
2335 offsetof(struct mac_header, addr_2),
2336 linksrcaddr, ETH_ALEN);
2337 #endif
2338 /* Now, deal with encapsulation/translation/sniffer */
2339 if (!sniffer) {
2340 if (!translate) {
2341 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2342 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2343 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2344 } else {
2345 /* Do translation */
2346 untranslate(local, skb, total_len);
2347 }
2348 } else { /* sniffer mode, so just pass whole packet */
2349 };
2350
2351 /************************/
2352 /* Now pick up the rest of the fragments if any */
2353 tmp = 17;
2354 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2355 prcslink = prcs;
2356 DEBUG(1, "ray_cs rx_data in fragment loop\n");
2357 do {
2358 prcslink = rcs_base(local)
2359 +
2360 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2361 rx_len =
2362 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2363 << 8)
2364 +
2365 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2366 & RX_BUFF_END;
2367 pkt_addr =
2368 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2369 8)
2370 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2371 & RX_BUFF_END;
2372
2373 rx_ptr +=
2374 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2375
2376 } while (tmp-- &&
2377 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2378 0xFF);
2379 release_frag_chain(local, prcs);
2380 }
2381
2382 skb->protocol = eth_type_trans(skb, dev);
2383 netif_rx(skb);
2384 local->stats.rx_packets++;
2385 local->stats.rx_bytes += total_len;
2386
2387 /* Gather signal strength per address */
2388 #ifdef WIRELESS_SPY
2389 /* For the Access Point or the node having started the ad-hoc net
2390 * note : ad-hoc work only in some specific configurations, but we
2391 * kludge in ray_get_wireless_stats... */
2392 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2393 /* Update statistics */
2394 /*local->wstats.qual.qual = none ? */
2395 local->wstats.qual.level = siglev;
2396 /*local->wstats.qual.noise = none ? */
2397 local->wstats.qual.updated = 0x2;
2398 }
2399 /* Now, update the spy stuff */
2400 {
2401 struct iw_quality wstats;
2402 wstats.level = siglev;
2403 /* wstats.noise = none ? */
2404 /* wstats.qual = none ? */
2405 wstats.updated = 0x2;
2406 /* Update spy records */
2407 wireless_spy_update(dev, linksrcaddr, &wstats);
2408 }
2409 #endif /* WIRELESS_SPY */
2410 } /* end rx_data */
2411
2412 /*===========================================================================*/
2413 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2414 {
2415 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2416 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2417 __be16 type = *(__be16 *) psnap->ethertype;
2418 int delta;
2419 struct ethhdr *peth;
2420 UCHAR srcaddr[ADDRLEN];
2421 UCHAR destaddr[ADDRLEN];
2422 static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2423 static UCHAR org_1042[3] = { 0, 0, 0 };
2424
2425 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2426 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2427
2428 #ifdef PCMCIA_DEBUG
2429 if (pc_debug > 3) {
2430 int i;
2431 printk(KERN_DEBUG "skb->data before untranslate");
2432 for (i = 0; i < 64; i++)
2433 printk("%02x ", skb->data[i]);
2434 printk("\n" KERN_DEBUG
2435 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2436 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2437 psnap->org[0], psnap->org[1], psnap->org[2]);
2438 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2439 }
2440 #endif
2441
2442 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2443 /* not a snap type so leave it alone */
2444 DEBUG(3, "ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2445 psnap->dsap, psnap->ssap, psnap->ctrl);
2446
2447 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2448 peth = (struct ethhdr *)(skb->data + delta);
2449 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2450 } else { /* Its a SNAP */
2451 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2452 /* EtherII and nuke the LLC */
2453 DEBUG(3, "ray_cs untranslate Bridge encap\n");
2454 delta = RX_MAC_HEADER_LENGTH
2455 + sizeof(struct snaphdr_t) - ETH_HLEN;
2456 peth = (struct ethhdr *)(skb->data + delta);
2457 peth->h_proto = type;
2458 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2459 switch (ntohs(type)) {
2460 case ETH_P_IPX:
2461 case ETH_P_AARP:
2462 DEBUG(3, "ray_cs untranslate RFC IPX/AARP\n");
2463 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2464 peth = (struct ethhdr *)(skb->data + delta);
2465 peth->h_proto =
2466 htons(len - RX_MAC_HEADER_LENGTH);
2467 break;
2468 default:
2469 DEBUG(3, "ray_cs untranslate RFC default\n");
2470 delta = RX_MAC_HEADER_LENGTH +
2471 sizeof(struct snaphdr_t) - ETH_HLEN;
2472 peth = (struct ethhdr *)(skb->data + delta);
2473 peth->h_proto = type;
2474 break;
2475 }
2476 } else {
2477 printk("ray_cs untranslate very confused by packet\n");
2478 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2479 peth = (struct ethhdr *)(skb->data + delta);
2480 peth->h_proto = type;
2481 }
2482 }
2483 /* TBD reserve skb_reserve(skb, delta); */
2484 skb_pull(skb, delta);
2485 DEBUG(3, "untranslate after skb_pull(%d), skb->data = %p\n", delta,
2486 skb->data);
2487 memcpy(peth->h_dest, destaddr, ADDRLEN);
2488 memcpy(peth->h_source, srcaddr, ADDRLEN);
2489 #ifdef PCMCIA_DEBUG
2490 if (pc_debug > 3) {
2491 int i;
2492 printk(KERN_DEBUG "skb->data after untranslate:");
2493 for (i = 0; i < 64; i++)
2494 printk("%02x ", skb->data[i]);
2495 printk("\n");
2496 }
2497 #endif
2498 } /* end untranslate */
2499
2500 /*===========================================================================*/
2501 /* Copy data from circular receive buffer to PC memory.
2502 * dest = destination address in PC memory
2503 * pkt_addr = source address in receive buffer
2504 * len = length of packet to copy
2505 */
2506 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2507 int length)
2508 {
2509 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2510 if (wrap_bytes <= 0) {
2511 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2512 } else { /* Packet wrapped in circular buffer */
2513
2514 memcpy_fromio(dest, local->rmem + pkt_addr,
2515 length - wrap_bytes);
2516 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2517 wrap_bytes);
2518 }
2519 return length;
2520 }
2521
2522 /*===========================================================================*/
2523 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2524 {
2525 struct rcs __iomem *prcslink = prcs;
2526 int tmp = 17;
2527 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2528
2529 while (tmp--) {
2530 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2531 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2532 DEBUG(1, "ray_cs interrupt bad rcsindex = 0x%x\n",
2533 rcsindex);
2534 break;
2535 }
2536 prcslink = rcs_base(local) + rcsindex;
2537 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2538 }
2539 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2540 }
2541
2542 /*===========================================================================*/
2543 static void authenticate(ray_dev_t *local)
2544 {
2545 struct pcmcia_device *link = local->finder;
2546 DEBUG(0, "ray_cs Starting authentication.\n");
2547 if (!(pcmcia_dev_present(link))) {
2548 DEBUG(2, "ray_cs authenticate - device not present\n");
2549 return;
2550 }
2551
2552 del_timer(&local->timer);
2553 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2554 local->timer.function = &join_net;
2555 } else {
2556 local->timer.function = &authenticate_timeout;
2557 }
2558 local->timer.expires = jiffies + HZ * 2;
2559 local->timer.data = (long)local;
2560 add_timer(&local->timer);
2561 local->authentication_state = AWAITING_RESPONSE;
2562 } /* end authenticate */
2563
2564 /*===========================================================================*/
2565 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2566 unsigned int pkt_addr, int rx_len)
2567 {
2568 UCHAR buff[256];
2569 struct rx_msg *msg = (struct rx_msg *)buff;
2570
2571 del_timer(&local->timer);
2572
2573 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2574 /* if we are trying to get authenticated */
2575 if (local->sparm.b4.a_network_type == ADHOC) {
2576 DEBUG(1, "ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2577 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2578 msg->var[4], msg->var[5]);
2579 if (msg->var[2] == 1) {
2580 DEBUG(0, "ray_cs Sending authentication response.\n");
2581 if (!build_auth_frame
2582 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2583 local->authentication_state = NEED_TO_AUTH;
2584 memcpy(local->auth_id, msg->mac.addr_2,
2585 ADDRLEN);
2586 }
2587 }
2588 } else { /* Infrastructure network */
2589
2590 if (local->authentication_state == AWAITING_RESPONSE) {
2591 /* Verify authentication sequence #2 and success */
2592 if (msg->var[2] == 2) {
2593 if ((msg->var[3] | msg->var[4]) == 0) {
2594 DEBUG(1, "Authentication successful\n");
2595 local->card_status = CARD_AUTH_COMPLETE;
2596 associate(local);
2597 local->authentication_state =
2598 AUTHENTICATED;
2599 } else {
2600 DEBUG(0, "Authentication refused\n");
2601 local->card_status = CARD_AUTH_REFUSED;
2602 join_net((u_long) local);
2603 local->authentication_state =
2604 UNAUTHENTICATED;
2605 }
2606 }
2607 }
2608 }
2609
2610 } /* end rx_authenticate */
2611
2612 /*===========================================================================*/
2613 static void associate(ray_dev_t *local)
2614 {
2615 struct ccs __iomem *pccs;
2616 struct pcmcia_device *link = local->finder;
2617 struct net_device *dev = link->priv;
2618 int ccsindex;
2619 if (!(pcmcia_dev_present(link))) {
2620 DEBUG(2, "ray_cs associate - device not present\n");
2621 return;
2622 }
2623 /* If no tx buffers available, return */
2624 if ((ccsindex = get_free_ccs(local)) < 0) {
2625 /* TBD should never be here but... what if we are? */
2626 DEBUG(1, "ray_cs associate - No free ccs\n");
2627 return;
2628 }
2629 DEBUG(1, "ray_cs Starting association with access point\n");
2630 pccs = ccs_base(local) + ccsindex;
2631 /* fill in the CCS */
2632 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2633 /* Interrupt the firmware to process the command */
2634 if (interrupt_ecf(local, ccsindex)) {
2635 DEBUG(1, "ray_cs associate failed - ECF not ready for intr\n");
2636 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2637
2638 del_timer(&local->timer);
2639 local->timer.expires = jiffies + HZ * 2;
2640 local->timer.data = (long)local;
2641 local->timer.function = &join_net;
2642 add_timer(&local->timer);
2643 local->card_status = CARD_ASSOC_FAILED;
2644 return;
2645 }
2646 if (!sniffer)
2647 netif_start_queue(dev);
2648
2649 } /* end associate */
2650
2651 /*===========================================================================*/
2652 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2653 unsigned int pkt_addr, int rx_len)
2654 {
2655 /* UCHAR buff[256];
2656 struct rx_msg *msg = (struct rx_msg *)buff;
2657 */
2658 DEBUG(0, "Deauthentication frame received\n");
2659 local->authentication_state = UNAUTHENTICATED;
2660 /* Need to reauthenticate or rejoin depending on reason code */
2661 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2662 */
2663 }
2664
2665 /*===========================================================================*/
2666 static void clear_interrupt(ray_dev_t *local)
2667 {
2668 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2669 }
2670
2671 /*===========================================================================*/
2672 #ifdef CONFIG_PROC_FS
2673 #define MAXDATA (PAGE_SIZE - 80)
2674
2675 static char *card_status[] = {
2676 "Card inserted - uninitialized", /* 0 */
2677 "Card not downloaded", /* 1 */
2678 "Waiting for download parameters", /* 2 */
2679 "Card doing acquisition", /* 3 */
2680 "Acquisition complete", /* 4 */
2681 "Authentication complete", /* 5 */
2682 "Association complete", /* 6 */
2683 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2684 "Card init error", /* 11 */
2685 "Download parameters error", /* 12 */
2686 "???", /* 13 */
2687 "Acquisition failed", /* 14 */
2688 "Authentication refused", /* 15 */
2689 "Association failed" /* 16 */
2690 };
2691
2692 static char *nettype[] = { "Adhoc", "Infra " };
2693 static char *framing[] = { "Encapsulation", "Translation" }
2694
2695 ;
2696 /*===========================================================================*/
2697 static int ray_cs_proc_show(struct seq_file *m, void *v)
2698 {
2699 /* Print current values which are not available via other means
2700 * eg ifconfig
2701 */
2702 int i;
2703 struct pcmcia_device *link;
2704 struct net_device *dev;
2705 ray_dev_t *local;
2706 UCHAR *p;
2707 struct freq_hop_element *pfh;
2708 UCHAR c[33];
2709
2710 link = this_device;
2711 if (!link)
2712 return 0;
2713 dev = (struct net_device *)link->priv;
2714 if (!dev)
2715 return 0;
2716 local = netdev_priv(dev);
2717 if (!local)
2718 return 0;
2719
2720 seq_puts(m, "Raylink Wireless LAN driver status\n");
2721 seq_printf(m, "%s\n", rcsid);
2722 /* build 4 does not report version, and field is 0x55 after memtest */
2723 seq_puts(m, "Firmware version = ");
2724 if (local->fw_ver == 0x55)
2725 seq_puts(m, "4 - Use dump_cis for more details\n");
2726 else
2727 seq_printf(m, "%2d.%02d.%02d\n",
2728 local->fw_ver, local->fw_bld, local->fw_var);
2729
2730 for (i = 0; i < 32; i++)
2731 c[i] = local->sparm.b5.a_current_ess_id[i];
2732 c[32] = 0;
2733 seq_printf(m, "%s network ESSID = \"%s\"\n",
2734 nettype[local->sparm.b5.a_network_type], c);
2735
2736 p = local->bss_id;
2737 seq_printf(m, "BSSID = %pM\n", p);
2738
2739 seq_printf(m, "Country code = %d\n",
2740 local->sparm.b5.a_curr_country_code);
2741
2742 i = local->card_status;
2743 if (i < 0)
2744 i = 10;
2745 if (i > 16)
2746 i = 10;
2747 seq_printf(m, "Card status = %s\n", card_status[i]);
2748
2749 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2750
2751 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2752
2753 if (local->beacon_rxed) {
2754 /* Pull some fields out of last beacon received */
2755 seq_printf(m, "Beacon Interval = %d Kus\n",
2756 local->last_bcn.beacon_intvl[0]
2757 + 256 * local->last_bcn.beacon_intvl[1]);
2758
2759 p = local->last_bcn.elements;
2760 if (p[0] == C_ESSID_ELEMENT_ID)
2761 p += p[1] + 2;
2762 else {
2763 seq_printf(m,
2764 "Parse beacon failed at essid element id = %d\n",
2765 p[0]);
2766 return 0;
2767 }
2768
2769 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2770 seq_puts(m, "Supported rate codes = ");
2771 for (i = 2; i < p[1] + 2; i++)
2772 seq_printf(m, "0x%02x ", p[i]);
2773 seq_putc(m, '\n');
2774 p += p[1] + 2;
2775 } else {
2776 seq_puts(m, "Parse beacon failed at rates element\n");
2777 return 0;
2778 }
2779
2780 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2781 pfh = (struct freq_hop_element *)p;
2782 seq_printf(m, "Hop dwell = %d Kus\n",
2783 pfh->dwell_time[0] +
2784 256 * pfh->dwell_time[1]);
2785 seq_printf(m, "Hop set = %d \n",
2786 pfh->hop_set);
2787 seq_printf(m, "Hop pattern = %d \n",
2788 pfh->hop_pattern);
2789 seq_printf(m, "Hop index = %d \n",
2790 pfh->hop_index);
2791 p += p[1] + 2;
2792 } else {
2793 seq_puts(m,
2794 "Parse beacon failed at FH param element\n");
2795 return 0;
2796 }
2797 } else {
2798 seq_puts(m, "No beacons received\n");
2799 }
2800 return 0;
2801 }
2802
2803 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2804 {
2805 return single_open(file, ray_cs_proc_show, NULL);
2806 }
2807
2808 static const struct file_operations ray_cs_proc_fops = {
2809 .owner = THIS_MODULE,
2810 .open = ray_cs_proc_open,
2811 .read = seq_read,
2812 .llseek = seq_lseek,
2813 .release = single_release,
2814 };
2815 #endif
2816 /*===========================================================================*/
2817 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2818 {
2819 int addr;
2820 struct ccs __iomem *pccs;
2821 struct tx_msg __iomem *ptx;
2822 int ccsindex;
2823
2824 /* If no tx buffers available, return */
2825 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2826 DEBUG(1, "ray_cs send authenticate - No free tx ccs\n");
2827 return -1;
2828 }
2829
2830 pccs = ccs_base(local) + ccsindex;
2831
2832 /* Address in card space */
2833 addr = TX_BUF_BASE + (ccsindex << 11);
2834 /* fill in the CCS */
2835 writeb(CCS_TX_REQUEST, &pccs->cmd);
2836 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2837 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2838 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2839 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2840 pccs->var.tx_request.tx_data_length + 1);
2841 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2842
2843 ptx = local->sram + addr;
2844 /* fill in the mac header */
2845 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2846 writeb(0, &ptx->mac.frame_ctl_2);
2847
2848 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2849 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2850 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2851
2852 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2853 memset_io(ptx->var, 0, 6);
2854 writeb(auth_type & 0xff, ptx->var + 2);
2855
2856 /* Interrupt the firmware to process the command */
2857 if (interrupt_ecf(local, ccsindex)) {
2858 DEBUG(1,
2859 "ray_cs send authentication request failed - ECF not ready for intr\n");
2860 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2861 return -1;
2862 }
2863 return 0;
2864 } /* End build_auth_frame */
2865
2866 /*===========================================================================*/
2867 #ifdef CONFIG_PROC_FS
2868 static void raycs_write(const char *name, write_proc_t *w, void *data)
2869 {
2870 struct proc_dir_entry *entry =
2871 create_proc_entry(name, S_IFREG | S_IWUSR, NULL);
2872 if (entry) {
2873 entry->write_proc = w;
2874 entry->data = data;
2875 }
2876 }
2877
2878 static int write_essid(struct file *file, const char __user *buffer,
2879 unsigned long count, void *data)
2880 {
2881 static char proc_essid[33];
2882 int len = count;
2883
2884 if (len > 32)
2885 len = 32;
2886 memset(proc_essid, 0, 33);
2887 if (copy_from_user(proc_essid, buffer, len))
2888 return -EFAULT;
2889 essid = proc_essid;
2890 return count;
2891 }
2892
2893 static int write_int(struct file *file, const char __user *buffer,
2894 unsigned long count, void *data)
2895 {
2896 static char proc_number[10];
2897 char *p;
2898 int nr, len;
2899
2900 if (!count)
2901 return 0;
2902
2903 if (count > 9)
2904 return -EINVAL;
2905 if (copy_from_user(proc_number, buffer, count))
2906 return -EFAULT;
2907 p = proc_number;
2908 nr = 0;
2909 len = count;
2910 do {
2911 unsigned int c = *p - '0';
2912 if (c > 9)
2913 return -EINVAL;
2914 nr = nr * 10 + c;
2915 p++;
2916 } while (--len);
2917 *(int *)data = nr;
2918 return count;
2919 }
2920 #endif
2921
2922 static struct pcmcia_device_id ray_ids[] = {
2923 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2924 PCMCIA_DEVICE_NULL,
2925 };
2926
2927 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2928
2929 static struct pcmcia_driver ray_driver = {
2930 .owner = THIS_MODULE,
2931 .drv = {
2932 .name = "ray_cs",
2933 },
2934 .probe = ray_probe,
2935 .remove = ray_detach,
2936 .id_table = ray_ids,
2937 .suspend = ray_suspend,
2938 .resume = ray_resume,
2939 };
2940
2941 static int __init init_ray_cs(void)
2942 {
2943 int rc;
2944
2945 DEBUG(1, "%s\n", rcsid);
2946 rc = pcmcia_register_driver(&ray_driver);
2947 DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",
2948 rc);
2949
2950 #ifdef CONFIG_PROC_FS
2951 proc_mkdir("driver/ray_cs", NULL);
2952
2953 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2954 raycs_write("driver/ray_cs/essid", write_essid, NULL);
2955 raycs_write("driver/ray_cs/net_type", write_int, &net_type);
2956 raycs_write("driver/ray_cs/translate", write_int, &translate);
2957 #endif
2958 if (translate != 0)
2959 translate = 1;
2960 return 0;
2961 } /* init_ray_cs */
2962
2963 /*===========================================================================*/
2964
2965 static void __exit exit_ray_cs(void)
2966 {
2967 DEBUG(0, "ray_cs: cleanup_module\n");
2968
2969 #ifdef CONFIG_PROC_FS
2970 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2971 remove_proc_entry("driver/ray_cs/essid", NULL);
2972 remove_proc_entry("driver/ray_cs/net_type", NULL);
2973 remove_proc_entry("driver/ray_cs/translate", NULL);
2974 remove_proc_entry("driver/ray_cs", NULL);
2975 #endif
2976
2977 pcmcia_unregister_driver(&ray_driver);
2978 } /* exit_ray_cs */
2979
2980 module_init(init_ray_cs);
2981 module_exit(exit_ray_cs);
2982
2983 /*===========================================================================*/
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree