1 /*=============================================================================
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
8 * Copyright (c) 1998 Corey Thomas (corey@world.std.com)
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.
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.
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
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
28 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
29 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
31 =============================================================================*/
33 #include <linux/config.h>
34 #include <linux/module.h>
35 #include <linux/kernel.h>
36 #include <linux/proc_fs.h>
37 #include <linux/ptrace.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>
49 #include <pcmcia/cs_types.h>
50 #include <pcmcia/cs.h>
51 #include <pcmcia/cistpl.h>
52 #include <pcmcia/cisreg.h>
53 #include <pcmcia/ds.h>
54 #include <pcmcia/mem_op.h>
56 #include <net/ieee80211.h>
57 #include <linux/wireless.h>
60 #include <asm/system.h>
61 #include <asm/byteorder.h>
62 #include <asm/uaccess.h>
64 /* Warning : these stuff will slow down the driver... */
65 #define WIRELESS_SPY /* Enable spying addresses */
66 /* Definitions we need for spy */
67 typedef struct iw_statistics iw_stats;
68 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
73 /* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
74 you do not define PCMCIA_DEBUG at all, all the debug code will be
75 left out. If you compile with PCMCIA_DEBUG=0, the debug code will
76 be present but disabled -- but it can then be enabled for specific
77 modules at load time with a 'pc_debug=#' option to insmod.
81 #define PCMCIA_DEBUG RAYLINK_DEBUG
85 static int pc_debug = PCMCIA_DEBUG;
86 module_param(pc_debug, int, 0);
87 /* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */
88 #define DEBUG(n, args...) if (pc_debug>(n)) printk(args);
90 #define DEBUG(n, args...)
92 /** Prototypes based on PCMCIA skeleton driver *******************************/
93 static void ray_config(dev_link_t *link);
94 static void ray_release(dev_link_t *link);
95 static int ray_event(event_t event, int priority, event_callback_args_t *args);
96 static dev_link_t *ray_attach(void);
97 static void ray_detach(dev_link_t *);
99 /***** Prototypes indicated by device structure ******************************/
100 static int ray_dev_close(struct net_device *dev);
101 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
102 static struct net_device_stats *ray_get_stats(struct net_device *dev);
103 static int ray_dev_init(struct net_device *dev);
105 static struct ethtool_ops netdev_ethtool_ops;
107 static int ray_open(struct net_device *dev);
108 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev);
109 static void set_multicast_list(struct net_device *dev);
110 static void ray_update_multi_list(struct net_device *dev, int all);
111 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
112 unsigned char *data, int len);
113 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
114 unsigned char *data);
115 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
116 static iw_stats * ray_get_wireless_stats(struct net_device * dev);
117 static const struct iw_handler_def ray_handler_def;
119 /***** Prototypes for raylink functions **************************************/
120 static int asc_to_int(char a);
121 static void authenticate(ray_dev_t *local);
122 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
123 static void authenticate_timeout(u_long);
124 static int get_free_ccs(ray_dev_t *local);
125 static int get_free_tx_ccs(ray_dev_t *local);
126 static void init_startup_params(ray_dev_t *local);
127 static int parse_addr(char *in_str, UCHAR *out);
128 static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev, UCHAR type);
129 static int ray_init(struct net_device *dev);
130 static int interrupt_ecf(ray_dev_t *local, int ccs);
131 static void ray_reset(struct net_device *dev);
132 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
133 static void verify_dl_startup(u_long);
135 /* Prototypes for interrpt time functions **********************************/
136 static irqreturn_t ray_interrupt (int reg, void *dev_id, struct pt_regs *regs);
137 static void clear_interrupt(ray_dev_t *local);
138 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
139 unsigned int pkt_addr, int rx_len);
140 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
141 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
142 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
143 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
144 unsigned int pkt_addr, int rx_len);
145 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr,
147 static void associate(ray_dev_t *local);
149 /* Card command functions */
150 static int dl_startup_params(struct net_device *dev);
151 static void join_net(u_long local);
152 static void start_net(u_long local);
153 /* void start_net(ray_dev_t *local); */
155 /*===========================================================================*/
156 /* Parameters that can be set with 'insmod' */
158 /* ADHOC=0, Infrastructure=1 */
159 static int net_type = ADHOC;
161 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
162 static int hop_dwell = 128;
164 /* Beacon period in Kus */
165 static int beacon_period = 256;
167 /* power save mode (0 = off, 1 = save power) */
170 /* String for network's Extended Service Set ID. 32 Characters max */
173 /* Default to encapsulation unless translation requested */
174 static int translate = 1;
176 static int country = USA;
182 /* 48 bit physical card address if overriding card's real physical
183 * address is required. Since IEEE 802.11 addresses are 48 bits
184 * like ethernet, an int can't be used, so a string is used. To
185 * allow use of addresses starting with a decimal digit, the first
186 * character must be a letter and will be ignored. This letter is
187 * followed by up to 12 hex digits which are the address. If less
188 * than 12 digits are used, the address will be left filled with 0's.
189 * Note that bit 0 of the first byte is the broadcast bit, and evil
190 * things will happen if it is not 0 in a card address.
192 static char *phy_addr = NULL;
195 /* The dev_info variable is the "key" that is used to match up this
196 device driver with appropriate cards, through the card configuration
199 static dev_info_t dev_info = "ray_cs";
201 /* A linked list of "instances" of the ray device. Each actual
202 PCMCIA card corresponds to one device instance, and is described
203 by one dev_link_t structure (defined in ds.h).
205 static dev_link_t *dev_list = NULL;
207 /* A dev_link_t structure has fields for most things that are needed
208 to keep track of a socket, but there will usually be some device
209 specific information that also needs to be kept track of. The
210 'priv' pointer in a dev_link_t structure can be used to point to
211 a device-specific private data structure, like this.
213 static unsigned int ray_mem_speed = 500;
215 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
216 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
217 MODULE_LICENSE("GPL");
219 module_param(net_type, int, 0);
220 module_param(hop_dwell, int, 0);
221 module_param(beacon_period, int, 0);
222 module_param(psm, int, 0);
223 module_param(essid, charp, 0);
224 module_param(translate, int, 0);
225 module_param(country, int, 0);
226 module_param(sniffer, int, 0);
227 module_param(bc, int, 0);
228 module_param(phy_addr, charp, 0);
229 module_param(ray_mem_speed, int, 0);
231 static UCHAR b5_default_startup_parms[] = {
232 0, 0, /* Adhoc station */
233 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
234 0, 0, 0, 0, 0, 0, 0, 0,
235 0, 0, 0, 0, 0, 0, 0, 0,
236 0, 0, 0, 0, 0, 0, 0, 0,
237 1, 0, /* Active scan, CA Mode */
238 0, 0, 0, 0, 0, 0, /* No default MAC addr */
239 0x7f, 0xff, /* Frag threshold */
240 0x00, 0x80, /* Hop time 128 Kus*/
241 0x01, 0x00, /* Beacon period 256 Kus */
242 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
243 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
244 0x7f, 0xff, /* RTS threshold */
245 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
246 0x05, /* assoc resp timeout thresh */
247 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max*/
248 0, /* Promiscuous mode */
249 0x0c, 0x0bd, /* Unique word */
250 0x32, /* Slot time */
251 0xff, 0xff, /* roam-low snr, low snr count */
252 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
253 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
254 /* b4 - b5 differences start here */
255 0x00, 0x3f, /* CW max */
256 0x00, 0x0f, /* CW min */
257 0x04, 0x08, /* Noise gain, limit offset */
258 0x28, 0x28, /* det rssi, med busy offsets */
259 7, /* det sync thresh */
260 0, 2, 2, /* test mode, min, max */
261 0, /* allow broadcast SSID probe resp */
262 0, 0, /* privacy must start, can join */
263 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
266 static UCHAR b4_default_startup_parms[] = {
267 0, 0, /* Adhoc station */
268 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
269 0, 0, 0, 0, 0, 0, 0, 0,
270 0, 0, 0, 0, 0, 0, 0, 0,
271 0, 0, 0, 0, 0, 0, 0, 0,
272 1, 0, /* Active scan, CA Mode */
273 0, 0, 0, 0, 0, 0, /* No default MAC addr */
274 0x7f, 0xff, /* Frag threshold */
275 0x02, 0x00, /* Hop time */
276 0x00, 0x01, /* Beacon period */
277 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
278 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
279 0x7f, 0xff, /* RTS threshold */
280 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
281 0x05, /* assoc resp timeout thresh */
282 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max*/
283 0, /* Promiscuous mode */
284 0x0c, 0x0bd, /* Unique word */
285 0x4e, /* Slot time (TBD seems wrong)*/
286 0xff, 0xff, /* roam-low snr, low snr count */
287 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
288 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
289 /* b4 - b5 differences start here */
290 0x3f, 0x0f, /* CW max, min */
291 0x04, 0x08, /* Noise gain, limit offset */
292 0x28, 0x28, /* det rssi, med busy offsets */
293 7, /* det sync thresh */
294 0, 2, 2 /* test mode, min, max*/
296 /*===========================================================================*/
297 static unsigned char eth2_llc[] = {0xaa, 0xaa, 3, 0, 0, 0};
299 static char hop_pattern_length[] = { 1,
300 USA_HOP_MOD, EUROPE_HOP_MOD,
301 JAPAN_HOP_MOD, KOREA_HOP_MOD,
302 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
303 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
307 static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
309 /*=============================================================================
310 ray_attach() creates an "instance" of the driver, allocating
311 local data structures for one device. The device is registered
313 The dev_link structure is initialized, but we don't actually
314 configure the card at this point -- we wait until we receive a
315 card insertion event.
316 =============================================================================*/
317 static dev_link_t *ray_attach(void)
319 client_reg_t client_reg;
323 struct net_device *dev;
325 DEBUG(1, "ray_attach()\n");
327 /* Initialize the dev_link_t structure */
328 link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
333 /* Allocate space for private device-specific data */
334 dev = alloc_etherdev(sizeof(ray_dev_t));
341 memset(link, 0, sizeof(struct dev_link_t));
343 /* The io structure describes IO port mapping. None used here */
344 link->io.NumPorts1 = 0;
345 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
346 link->io.IOAddrLines = 5;
348 /* Interrupt setup. For PCMCIA, driver takes what's given */
349 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
350 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
351 link->irq.Handler = &ray_interrupt;
353 /* General socket configuration */
354 link->conf.Attributes = CONF_ENABLE_IRQ;
356 link->conf.IntType = INT_MEMORY_AND_IO;
357 link->conf.ConfigIndex = 1;
358 link->conf.Present = PRESENT_OPTION;
361 link->irq.Instance = dev;
363 local->finder = link;
364 local->card_status = CARD_INSERTED;
365 local->authentication_state = UNAUTHENTICATED;
366 local->num_multi = 0;
367 DEBUG(2,"ray_attach link = %p, dev = %p, local = %p, intr = %p\n",
368 link,dev,local,&ray_interrupt);
370 /* Raylink entries in the device structure */
371 dev->hard_start_xmit = &ray_dev_start_xmit;
372 dev->set_config = &ray_dev_config;
373 dev->get_stats = &ray_get_stats;
374 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
375 dev->wireless_handlers = &ray_handler_def;
377 local->wireless_data.spy_data = &local->spy_data;
378 dev->wireless_data = &local->wireless_data;
379 #endif /* WIRELESS_SPY */
381 dev->set_multicast_list = &set_multicast_list;
383 DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n");
384 SET_MODULE_OWNER(dev);
385 dev->init = &ray_dev_init;
386 dev->open = &ray_open;
387 dev->stop = &ray_dev_close;
388 netif_stop_queue(dev);
390 /* Register with Card Services */
391 link->next = dev_list;
393 client_reg.dev_info = &dev_info;
394 client_reg.Version = 0x0210;
395 client_reg.event_callback_args.client_data = link;
397 DEBUG(2,"ray_cs ray_attach calling pcmcia_register_client(...)\n");
399 init_timer(&local->timer);
401 ret = pcmcia_register_client(&link->handle, &client_reg);
403 printk("ray_cs ray_attach RegisterClient unhappy - detaching\n");
404 cs_error(link->handle, RegisterClient, ret);
408 DEBUG(2,"ray_cs ray_attach ending\n");
415 /*=============================================================================
416 This deletes a driver "instance". The device is de-registered
417 with Card Services. If it has been released, all local data
418 structures are freed. Otherwise, the structures will be freed
419 when the device is released.
420 =============================================================================*/
421 static void ray_detach(dev_link_t *link)
425 DEBUG(1, "ray_detach(0x%p)\n", link);
427 /* Locate device structure */
428 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
429 if (*linkp == link) break;
433 /* If the device is currently configured and active, we won't
434 actually delete it yet. Instead, it is marked so that when
435 the release() function is called, that will trigger a proper
438 if (link->state & DEV_CONFIG)
441 /* Break the link with Card Services */
443 pcmcia_deregister_client(link->handle);
445 /* Unlink device structure, free pieces */
448 struct net_device *dev = link->priv;
449 if (link->dev) unregister_netdev(dev);
453 DEBUG(2,"ray_cs ray_detach ending\n");
455 /*=============================================================================
456 ray_config() is run after a CARD_INSERTION event
457 is received, to configure the PCMCIA socket, and to make the
458 ethernet device available to the system.
459 =============================================================================*/
460 #define CS_CHECK(fn, ret) \
461 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
462 #define MAX_TUPLE_SIZE 128
463 static void ray_config(dev_link_t *link)
465 client_handle_t handle = link->handle;
468 int last_fn = 0, last_ret = 0;
470 u_char buf[MAX_TUPLE_SIZE];
473 struct net_device *dev = (struct net_device *)link->priv;
474 ray_dev_t *local = (ray_dev_t *)dev->priv;
476 DEBUG(1, "ray_config(0x%p)\n", link);
478 /* This reads the card's CONFIG tuple to find its configuration regs */
479 tuple.DesiredTuple = CISTPL_CONFIG;
480 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
481 tuple.TupleData = buf;
482 tuple.TupleDataMax = MAX_TUPLE_SIZE;
483 tuple.TupleOffset = 0;
484 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
485 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
486 link->conf.ConfigBase = parse.config.base;
487 link->conf.Present = parse.config.rmask[0];
489 /* Determine card type and firmware version */
490 buf[0] = buf[MAX_TUPLE_SIZE - 1] = 0;
491 tuple.DesiredTuple = CISTPL_VERS_1;
492 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
493 tuple.TupleData = buf;
494 tuple.TupleDataMax = MAX_TUPLE_SIZE;
495 tuple.TupleOffset = 2;
496 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
498 for (i=0; i<tuple.TupleDataLen - 4; i++)
499 if (buf[i] == 0) buf[i] = ' ';
500 printk(KERN_INFO "ray_cs Detected: %s\n",buf);
503 link->state |= DEV_CONFIG;
505 /* Now allocate an interrupt line. Note that this does not
506 actually assign a handler to the interrupt.
508 CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
509 dev->irq = link->irq.AssignedIRQ;
511 /* This actually configures the PCMCIA socket -- setting up
512 the I/O windows and the interrupt mapping.
514 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
516 /*** Set up 32k window for shared memory (transmit and control) ************/
517 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
520 req.AccessSpeed = ray_mem_speed;
521 CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &link->win));
522 mem.CardOffset = 0x0000; mem.Page = 0;
523 CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
524 local->sram = ioremap(req.Base,req.Size);
526 /*** Set up 16k window for shared memory (receive buffer) ***************/
527 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
530 req.AccessSpeed = ray_mem_speed;
531 CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->rmem_handle));
532 mem.CardOffset = 0x8000; mem.Page = 0;
533 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem));
534 local->rmem = ioremap(req.Base,req.Size);
536 /*** Set up window for attribute memory ***********************************/
537 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
540 req.AccessSpeed = ray_mem_speed;
541 CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->amem_handle));
542 mem.CardOffset = 0x0000; mem.Page = 0;
543 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem));
544 local->amem = ioremap(req.Base,req.Size);
546 DEBUG(3,"ray_config sram=%p\n",local->sram);
547 DEBUG(3,"ray_config rmem=%p\n",local->rmem);
548 DEBUG(3,"ray_config amem=%p\n",local->amem);
549 if (ray_init(dev) < 0) {
554 SET_NETDEV_DEV(dev, &handle_to_dev(handle));
555 i = register_netdev(dev);
557 printk("ray_config register_netdev() failed\n");
562 strcpy(local->node.dev_name, dev->name);
563 link->dev = &local->node;
565 link->state &= ~DEV_CONFIG_PENDING;
566 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ",
567 dev->name, dev->irq);
568 for (i = 0; i < 6; i++)
569 printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
574 cs_error(link->handle, last_fn, last_ret);
579 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
581 return dev->sram + CCS_BASE;
584 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
587 * This looks nonsensical, since there is a separate
588 * RCS_BASE. But the difference between a "struct rcs"
589 * and a "struct ccs" ends up being in the _index_ off
590 * the base, so the base pointer is the same for both
593 return dev->sram + CCS_BASE;
596 /*===========================================================================*/
597 static int ray_init(struct net_device *dev)
601 struct ccs __iomem *pccs;
602 ray_dev_t *local = (ray_dev_t *)dev->priv;
603 dev_link_t *link = local->finder;
604 DEBUG(1, "ray_init(0x%p)\n", dev);
605 if (!(link->state & DEV_PRESENT)) {
606 DEBUG(0,"ray_init - device not present\n");
610 local->net_type = net_type;
611 local->sta_type = TYPE_STA;
613 /* Copy the startup results to local memory */
614 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,\
615 sizeof(struct startup_res_6));
617 /* Check Power up test status and get mac address from card */
618 if (local->startup_res.startup_word != 0x80) {
619 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
620 local->startup_res.startup_word);
621 local->card_status = CARD_INIT_ERROR;
625 local->fw_ver = local->startup_res.firmware_version[0];
626 local->fw_bld = local->startup_res.firmware_version[1];
627 local->fw_var = local->startup_res.firmware_version[2];
628 DEBUG(1,"ray_init firmware version %d.%d \n",local->fw_ver, local->fw_bld);
630 local->tib_length = 0x20;
631 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
632 local->tib_length = local->startup_res.tib_length;
633 DEBUG(2,"ray_init tib_length = 0x%02x\n", local->tib_length);
634 /* Initialize CCS's to buffer free state */
635 pccs = ccs_base(local);
636 for (i=0; i<NUMBER_OF_CCS; i++) {
637 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
639 init_startup_params(local);
641 /* copy mac address to startup parameters */
642 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr))
644 p = local->sparm.b4.a_mac_addr;
648 memcpy(&local->sparm.b4.a_mac_addr,
649 &local->startup_res.station_addr, ADDRLEN);
650 p = local->sparm.b4.a_mac_addr;
653 clear_interrupt(local); /* Clear any interrupt from the card */
654 local->card_status = CARD_AWAITING_PARAM;
655 DEBUG(2,"ray_init ending\n");
658 /*===========================================================================*/
659 /* Download startup parameters to the card and command it to read them */
660 static int dl_startup_params(struct net_device *dev)
663 ray_dev_t *local = (ray_dev_t *)dev->priv;
664 struct ccs __iomem *pccs;
665 dev_link_t *link = local->finder;
667 DEBUG(1,"dl_startup_params entered\n");
668 if (!(link->state & DEV_PRESENT)) {
669 DEBUG(2,"ray_cs dl_startup_params - device not present\n");
673 /* Copy parameters to host to ECF area */
674 if (local->fw_ver == 0x55)
675 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
676 sizeof(struct b4_startup_params));
678 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
679 sizeof(struct b5_startup_params));
682 /* Fill in the CCS fields for the ECF */
683 if ((ccsindex = get_free_ccs(local)) < 0) return -1;
684 local->dl_param_ccs = ccsindex;
685 pccs = ccs_base(local) + ccsindex;
686 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
687 DEBUG(2,"dl_startup_params start ccsindex = %d\n", local->dl_param_ccs);
688 /* Interrupt the firmware to process the command */
689 if (interrupt_ecf(local, ccsindex)) {
690 printk(KERN_INFO "ray dl_startup_params failed - "
691 "ECF not ready for intr\n");
692 local->card_status = CARD_DL_PARAM_ERROR;
693 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
696 local->card_status = CARD_DL_PARAM;
697 /* Start kernel timer to wait for dl startup to complete. */
698 local->timer.expires = jiffies + HZ/2;
699 local->timer.data = (long)local;
700 local->timer.function = &verify_dl_startup;
701 add_timer(&local->timer);
702 DEBUG(2,"ray_cs dl_startup_params started timer for verify_dl_startup\n");
704 } /* dl_startup_params */
705 /*===========================================================================*/
706 static void init_startup_params(ray_dev_t *local)
710 if (country > JAPAN_TEST) country = USA;
712 if (country < USA) country = USA;
713 /* structure for hop time and beacon period is defined here using
714 * New 802.11D6.1 format. Card firmware is still using old format
717 * a_hop_time ms byte a_hop_time ms byte
718 * a_hop_time 2s byte a_hop_time ls byte
719 * a_hop_time ls byte a_beacon_period ms byte
720 * a_beacon_period a_beacon_period ls byte
722 * a_hop_time = uS a_hop_time = KuS
723 * a_beacon_period = hops a_beacon_period = KuS
724 */ /* 64ms = 010000 */
725 if (local->fw_ver == 0x55) {
726 memcpy((UCHAR *)&local->sparm.b4, b4_default_startup_parms,
727 sizeof(struct b4_startup_params));
728 /* Translate sane kus input values to old build 4/5 format */
729 /* i = hop time in uS truncated to 3 bytes */
730 i = (hop_dwell * 1024) & 0xffffff;
731 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
732 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
733 local->sparm.b4.a_beacon_period[0] = 0;
734 local->sparm.b4.a_beacon_period[1] =
735 ((beacon_period/hop_dwell) - 1) & 0xff;
736 local->sparm.b4.a_curr_country_code = country;
737 local->sparm.b4.a_hop_pattern_length =
738 hop_pattern_length[(int)country] - 1;
741 local->sparm.b4.a_ack_timeout = 0x50;
742 local->sparm.b4.a_sifs = 0x3f;
745 else { /* Version 5 uses real kus values */
746 memcpy((UCHAR *)&local->sparm.b5, b5_default_startup_parms,
747 sizeof(struct b5_startup_params));
749 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
750 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
751 local->sparm.b5.a_beacon_period[0] = (beacon_period >> 8) & 0xff;
752 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
754 local->sparm.b5.a_power_mgt_state = 1;
755 local->sparm.b5.a_curr_country_code = country;
756 local->sparm.b5.a_hop_pattern_length =
757 hop_pattern_length[(int)country];
760 local->sparm.b4.a_network_type = net_type & 0x01;
761 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
764 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
765 } /* init_startup_params */
766 /*===========================================================================*/
767 static void verify_dl_startup(u_long data)
769 ray_dev_t *local = (ray_dev_t *)data;
770 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
772 dev_link_t *link = local->finder;
774 if (!(link->state & DEV_PRESENT)) {
775 DEBUG(2,"ray_cs verify_dl_startup - device not present\n");
781 printk(KERN_DEBUG "verify_dl_startup parameters sent via ccs %d:\n",
782 local->dl_param_ccs);
783 for (i=0; i<sizeof(struct b5_startup_params); i++) {
784 printk(" %2x", (unsigned int) readb(local->sram + HOST_TO_ECF_BASE + i));
790 status = readb(&pccs->buffer_status);
791 if (status!= CCS_BUFFER_FREE)
793 printk(KERN_INFO "Download startup params failed. Status = %d\n",
795 local->card_status = CARD_DL_PARAM_ERROR;
798 if (local->sparm.b4.a_network_type == ADHOC)
799 start_net((u_long)local);
801 join_net((u_long)local);
804 } /* end verify_dl_startup */
805 /*===========================================================================*/
806 /* Command card to start a network */
807 static void start_net(u_long data)
809 ray_dev_t *local = (ray_dev_t *)data;
810 struct ccs __iomem *pccs;
812 dev_link_t *link = local->finder;
813 if (!(link->state & DEV_PRESENT)) {
814 DEBUG(2,"ray_cs start_net - device not present\n");
817 /* Fill in the CCS fields for the ECF */
818 if ((ccsindex = get_free_ccs(local)) < 0) return;
819 pccs = ccs_base(local) + ccsindex;
820 writeb(CCS_START_NETWORK, &pccs->cmd);
821 writeb(0, &pccs->var.start_network.update_param);
822 /* Interrupt the firmware to process the command */
823 if (interrupt_ecf(local, ccsindex)) {
824 DEBUG(1,"ray start net failed - card not ready for intr\n");
825 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
828 local->card_status = CARD_DOING_ACQ;
830 } /* end start_net */
831 /*===========================================================================*/
832 /* Command card to join a network */
833 static void join_net(u_long data)
835 ray_dev_t *local = (ray_dev_t *)data;
837 struct ccs __iomem *pccs;
839 dev_link_t *link = local->finder;
841 if (!(link->state & DEV_PRESENT)) {
842 DEBUG(2,"ray_cs join_net - device not present\n");
845 /* Fill in the CCS fields for the ECF */
846 if ((ccsindex = get_free_ccs(local)) < 0) return;
847 pccs = ccs_base(local) + ccsindex;
848 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
849 writeb(0, &pccs->var.join_network.update_param);
850 writeb(0, &pccs->var.join_network.net_initiated);
851 /* Interrupt the firmware to process the command */
852 if (interrupt_ecf(local, ccsindex)) {
853 DEBUG(1,"ray join net failed - card not ready for intr\n");
854 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
857 local->card_status = CARD_DOING_ACQ;
860 /*============================================================================
861 After a card is removed, ray_release() will unregister the net
862 device, and release the PCMCIA configuration. If the device is
863 still open, this will be postponed until it is closed.
864 =============================================================================*/
865 static void ray_release(dev_link_t *link)
867 struct net_device *dev = link->priv;
868 ray_dev_t *local = dev->priv;
871 DEBUG(1, "ray_release(0x%p)\n", link);
873 del_timer(&local->timer);
874 link->state &= ~DEV_CONFIG;
876 iounmap(local->sram);
877 iounmap(local->rmem);
878 iounmap(local->amem);
879 /* Do bother checking to see if these succeed or not */
880 i = pcmcia_release_window(link->win);
881 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(link->win) ret = %x\n",i);
882 i = pcmcia_release_window(local->amem_handle);
883 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i);
884 i = pcmcia_release_window(local->rmem_handle);
885 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i);
886 i = pcmcia_release_configuration(link->handle);
887 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseConfiguration ret = %x\n",i);
888 i = pcmcia_release_irq(link->handle, &link->irq);
889 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseIRQ ret = %x\n",i);
891 DEBUG(2,"ray_release ending\n");
894 /*=============================================================================
895 The card status event handler. Mostly, this schedules other
896 stuff to run after an event is received. A CARD_REMOVAL event
897 also sets some flags to discourage the net drivers from trying
898 to talk to the card any more.
900 When a CARD_REMOVAL event is received, we immediately set a flag
901 to block future accesses to this device. All the functions that
902 actually access the device should check this flag to make sure
903 the card is still present.
904 =============================================================================*/
905 static int ray_event(event_t event, int priority,
906 event_callback_args_t *args)
908 dev_link_t *link = args->client_data;
909 struct net_device *dev = link->priv;
910 ray_dev_t *local = (ray_dev_t *)dev->priv;
911 DEBUG(1, "ray_event(0x%06x)\n", event);
914 case CS_EVENT_CARD_REMOVAL:
915 link->state &= ~DEV_PRESENT;
916 netif_device_detach(dev);
917 if (link->state & DEV_CONFIG) {
919 del_timer(&local->timer);
922 case CS_EVENT_CARD_INSERTION:
923 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
926 case CS_EVENT_PM_SUSPEND:
927 link->state |= DEV_SUSPEND;
928 /* Fall through... */
929 case CS_EVENT_RESET_PHYSICAL:
930 if (link->state & DEV_CONFIG) {
932 netif_device_detach(dev);
934 pcmcia_release_configuration(link->handle);
937 case CS_EVENT_PM_RESUME:
938 link->state &= ~DEV_SUSPEND;
939 /* Fall through... */
940 case CS_EVENT_CARD_RESET:
941 if (link->state & DEV_CONFIG) {
942 pcmcia_request_configuration(link->handle, &link->conf);
945 netif_device_attach(dev);
951 DEBUG(2,"ray_event ending\n");
953 /*===========================================================================*/
954 int ray_dev_init(struct net_device *dev)
956 #ifdef RAY_IMMEDIATE_INIT
958 #endif /* RAY_IMMEDIATE_INIT */
959 ray_dev_t *local = dev->priv;
960 dev_link_t *link = local->finder;
962 DEBUG(1,"ray_dev_init(dev=%p)\n",dev);
963 if (!(link->state & DEV_PRESENT)) {
964 DEBUG(2,"ray_dev_init - device not present\n");
967 #ifdef RAY_IMMEDIATE_INIT
968 /* Download startup parameters */
969 if ( (i = dl_startup_params(dev)) < 0)
971 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
975 #else /* RAY_IMMEDIATE_INIT */
976 /* Postpone the card init so that we can still configure the card,
977 * for example using the Wireless Extensions. The init will happen
978 * in ray_open() - Jean II */
979 DEBUG(1,"ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
981 #endif /* RAY_IMMEDIATE_INIT */
983 /* copy mac and broadcast addresses to linux device */
984 memcpy(&dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
985 memset(dev->broadcast, 0xff, ETH_ALEN);
987 DEBUG(2,"ray_dev_init ending\n");
990 /*===========================================================================*/
991 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
993 ray_dev_t *local = dev->priv;
994 dev_link_t *link = local->finder;
995 /* Dummy routine to satisfy device structure */
996 DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev,map);
997 if (!(link->state & DEV_PRESENT)) {
998 DEBUG(2,"ray_dev_config - device not present\n");
1004 /*===========================================================================*/
1005 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev)
1007 ray_dev_t *local = dev->priv;
1008 dev_link_t *link = local->finder;
1009 short length = skb->len;
1011 if (!(link->state & DEV_PRESENT)) {
1012 DEBUG(2,"ray_dev_start_xmit - device not present\n");
1015 DEBUG(3,"ray_dev_start_xmit(skb=%p, dev=%p)\n",skb,dev);
1016 if (local->authentication_state == NEED_TO_AUTH) {
1017 DEBUG(0,"ray_cs Sending authentication request.\n");
1018 if (!build_auth_frame (local, local->auth_id, OPEN_AUTH_REQUEST)) {
1019 local->authentication_state = AUTHENTICATED;
1020 netif_stop_queue(dev);
1025 if (length < ETH_ZLEN)
1027 skb = skb_padto(skb, ETH_ZLEN);
1032 switch (ray_hw_xmit( skb->data, length, dev, DATA_TYPE)) {
1034 case XMIT_NEED_AUTH:
1035 netif_stop_queue(dev);
1041 dev->trans_start = jiffies;
1046 } /* ray_dev_start_xmit */
1047 /*===========================================================================*/
1048 static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev,
1051 ray_dev_t *local = (ray_dev_t *)dev->priv;
1052 struct ccs __iomem *pccs;
1055 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
1056 short int addr; /* Address of xmit buffer in card space */
1058 DEBUG(3,"ray_hw_xmit(data=%p, len=%d, dev=%p)\n",data,len,dev);
1059 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE)
1061 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",len);
1062 return XMIT_MSG_BAD;
1064 switch (ccsindex = get_free_tx_ccs(local)) {
1066 DEBUG(2,"ray_hw_xmit tx_ccs table busy\n");
1068 DEBUG(2,"ray_hw_xmit No free tx ccs\n");
1070 netif_stop_queue(dev);
1075 addr = TX_BUF_BASE + (ccsindex << 11);
1077 if (msg_type == DATA_TYPE) {
1078 local->stats.tx_bytes += len;
1079 local->stats.tx_packets++;
1082 ptx = local->sram + addr;
1084 ray_build_header(local, ptx, msg_type, data);
1086 offset = translate_frame(local, ptx, data, len);
1088 else { /* Encapsulate frame */
1089 /* TBD TIB length will move address of ptx->var */
1090 memcpy_toio(&ptx->var, data, len);
1094 /* fill in the CCS */
1095 pccs = ccs_base(local) + ccsindex;
1096 len += TX_HEADER_LENGTH + offset;
1097 writeb(CCS_TX_REQUEST, &pccs->cmd);
1098 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
1099 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
1100 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
1101 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
1102 /* TBD still need psm_cam? */
1103 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
1104 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
1105 writeb(0, &pccs->var.tx_request.antenna);
1106 DEBUG(3,"ray_hw_xmit default_tx_rate = 0x%x\n",\
1107 local->net_default_tx_rate);
1109 /* Interrupt the firmware to process the command */
1110 if (interrupt_ecf(local, ccsindex)) {
1111 DEBUG(2,"ray_hw_xmit failed - ECF not ready for intr\n");
1112 /* TBD very inefficient to copy packet to buffer, and then not
1113 send it, but the alternative is to queue the messages and that
1114 won't be done for a while. Maybe set tbusy until a CCS is free?
1116 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1117 return XMIT_NO_INTR;
1120 } /* end ray_hw_xmit */
1121 /*===========================================================================*/
1122 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, unsigned char *data,
1125 unsigned short int proto = ((struct ethhdr *)data)->h_proto;
1126 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1127 DEBUG(3,"ray_cs translate_frame DIX II\n");
1128 /* Copy LLC header to card buffer */
1129 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1130 memcpy_toio( ((void __iomem *)&ptx->var) + sizeof(eth2_llc), (UCHAR *)&proto, 2);
1131 if ((proto == 0xf380) || (proto == 0x3781)) {
1132 /* This is the selective translation table, only 2 entries */
1133 writeb(0xf8, &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1135 /* Copy body of ethernet packet without ethernet header */
1136 memcpy_toio((void __iomem *)&ptx->var + sizeof(struct snaphdr_t), \
1137 data + ETH_HLEN, len - ETH_HLEN);
1138 return (int) sizeof(struct snaphdr_t) - ETH_HLEN;
1140 else { /* already 802 type, and proto is length */
1141 DEBUG(3,"ray_cs translate_frame 802\n");
1142 if (proto == 0xffff) { /* evil netware IPX 802.3 without LLC */
1143 DEBUG(3,"ray_cs translate_frame evil IPX\n");
1144 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1145 return 0 - ETH_HLEN;
1147 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1148 return 0 - ETH_HLEN;
1150 /* TBD do other frame types */
1151 } /* end translate_frame */
1152 /*===========================================================================*/
1153 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
1154 unsigned char *data)
1156 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1157 /*** IEEE 802.11 Address field assignments *************
1158 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1159 Adhoc 0 0 dest src (terminal) BSSID N/A
1160 AP to Terminal 0 1 dest AP(BSSID) source N/A
1161 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1162 AP to AP 1 1 dest AP src AP dest source
1163 *******************************************************/
1164 if (local->net_type == ADHOC) {
1165 writeb(0, &ptx->mac.frame_ctl_2);
1166 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, 2 * ADDRLEN);
1167 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1169 else /* infrastructure */
1171 if (local->sparm.b4.a_acting_as_ap_status)
1173 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1174 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, ADDRLEN);
1175 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1176 memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_source, ADDRLEN);
1180 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1181 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1182 memcpy_toio(ptx->mac.addr_2, ((struct ethhdr *)data)->h_source, ADDRLEN);
1183 memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_dest, ADDRLEN);
1186 } /* end encapsulate_frame */
1189 /*===========================================================================*/
1191 static void netdev_get_drvinfo(struct net_device *dev,
1192 struct ethtool_drvinfo *info)
1194 strcpy(info->driver, "ray_cs");
1197 static struct ethtool_ops netdev_ethtool_ops = {
1198 .get_drvinfo = netdev_get_drvinfo,
1201 /*====================================================================*/
1203 /*------------------------------------------------------------------*/
1205 * Wireless Handler : get protocol name
1207 static int ray_get_name(struct net_device *dev,
1208 struct iw_request_info *info,
1212 strcpy(cwrq, "IEEE 802.11-FH");
1216 /*------------------------------------------------------------------*/
1218 * Wireless Handler : set frequency
1220 static int ray_set_freq(struct net_device *dev,
1221 struct iw_request_info *info,
1222 struct iw_freq *fwrq,
1225 ray_dev_t *local = (ray_dev_t *)dev->priv;
1226 int err = -EINPROGRESS; /* Call commit handler */
1228 /* Reject if card is already initialised */
1229 if(local->card_status != CARD_AWAITING_PARAM)
1232 /* Setting by channel number */
1233 if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
1236 local->sparm.b5.a_hop_pattern = fwrq->m;
1241 /*------------------------------------------------------------------*/
1243 * Wireless Handler : get frequency
1245 static int ray_get_freq(struct net_device *dev,
1246 struct iw_request_info *info,
1247 struct iw_freq *fwrq,
1250 ray_dev_t *local = (ray_dev_t *)dev->priv;
1252 fwrq->m = local->sparm.b5.a_hop_pattern;
1257 /*------------------------------------------------------------------*/
1259 * Wireless Handler : set ESSID
1261 static int ray_set_essid(struct net_device *dev,
1262 struct iw_request_info *info,
1263 struct iw_point *dwrq,
1266 ray_dev_t *local = (ray_dev_t *)dev->priv;
1268 /* Reject if card is already initialised */
1269 if(local->card_status != CARD_AWAITING_PARAM)
1272 /* Check if we asked for `any' */
1273 if(dwrq->flags == 0) {
1274 /* Corey : can you do that ? */
1277 /* Check the size of the string */
1278 if(dwrq->length > IW_ESSID_MAX_SIZE + 1) {
1282 /* Set the ESSID in the card */
1283 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1284 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
1287 return -EINPROGRESS; /* Call commit handler */
1290 /*------------------------------------------------------------------*/
1292 * Wireless Handler : get ESSID
1294 static int ray_get_essid(struct net_device *dev,
1295 struct iw_request_info *info,
1296 struct iw_point *dwrq,
1299 ray_dev_t *local = (ray_dev_t *)dev->priv;
1301 /* Get the essid that was set */
1302 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1303 extra[IW_ESSID_MAX_SIZE] = '\0';
1306 dwrq->length = strlen(extra) + 1;
1307 dwrq->flags = 1; /* active */
1312 /*------------------------------------------------------------------*/
1314 * Wireless Handler : get AP address
1316 static int ray_get_wap(struct net_device *dev,
1317 struct iw_request_info *info,
1318 struct sockaddr *awrq,
1321 ray_dev_t *local = (ray_dev_t *)dev->priv;
1323 memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
1324 awrq->sa_family = ARPHRD_ETHER;
1329 /*------------------------------------------------------------------*/
1331 * Wireless Handler : set Bit-Rate
1333 static int ray_set_rate(struct net_device *dev,
1334 struct iw_request_info *info,
1335 struct iw_param *vwrq,
1338 ray_dev_t *local = (ray_dev_t *)dev->priv;
1340 /* Reject if card is already initialised */
1341 if(local->card_status != CARD_AWAITING_PARAM)
1344 /* Check if rate is in range */
1345 if((vwrq->value != 1000000) && (vwrq->value != 2000000))
1348 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1349 if((local->fw_ver == 0x55) && /* Please check */
1350 (vwrq->value == 2000000))
1351 local->net_default_tx_rate = 3;
1353 local->net_default_tx_rate = vwrq->value/500000;
1358 /*------------------------------------------------------------------*/
1360 * Wireless Handler : get Bit-Rate
1362 static int ray_get_rate(struct net_device *dev,
1363 struct iw_request_info *info,
1364 struct iw_param *vwrq,
1367 ray_dev_t *local = (ray_dev_t *)dev->priv;
1369 if(local->net_default_tx_rate == 3)
1370 vwrq->value = 2000000; /* Hum... */
1372 vwrq->value = local->net_default_tx_rate * 500000;
1373 vwrq->fixed = 0; /* We are in auto mode */
1378 /*------------------------------------------------------------------*/
1380 * Wireless Handler : set RTS threshold
1382 static int ray_set_rts(struct net_device *dev,
1383 struct iw_request_info *info,
1384 struct iw_param *vwrq,
1387 ray_dev_t *local = (ray_dev_t *)dev->priv;
1388 int rthr = vwrq->value;
1390 /* Reject if card is already initialised */
1391 if(local->card_status != CARD_AWAITING_PARAM)
1394 /* if(wrq->u.rts.fixed == 0) we should complain */
1398 if((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1401 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1402 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1404 return -EINPROGRESS; /* Call commit handler */
1408 /*------------------------------------------------------------------*/
1410 * Wireless Handler : get RTS threshold
1412 static int ray_get_rts(struct net_device *dev,
1413 struct iw_request_info *info,
1414 struct iw_param *vwrq,
1417 ray_dev_t *local = (ray_dev_t *)dev->priv;
1419 vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
1420 + local->sparm.b5.a_rts_threshold[1];
1421 vwrq->disabled = (vwrq->value == 32767);
1427 /*------------------------------------------------------------------*/
1429 * Wireless Handler : set Fragmentation threshold
1431 static int ray_set_frag(struct net_device *dev,
1432 struct iw_request_info *info,
1433 struct iw_param *vwrq,
1436 ray_dev_t *local = (ray_dev_t *)dev->priv;
1437 int fthr = vwrq->value;
1439 /* Reject if card is already initialised */
1440 if(local->card_status != CARD_AWAITING_PARAM)
1443 /* if(wrq->u.frag.fixed == 0) should complain */
1447 if((fthr < 256) || (fthr > 2347)) /* To check out ! */
1450 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1451 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1453 return -EINPROGRESS; /* Call commit handler */
1456 /*------------------------------------------------------------------*/
1458 * Wireless Handler : get Fragmentation threshold
1460 static int ray_get_frag(struct net_device *dev,
1461 struct iw_request_info *info,
1462 struct iw_param *vwrq,
1465 ray_dev_t *local = (ray_dev_t *)dev->priv;
1467 vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
1468 + local->sparm.b5.a_frag_threshold[1];
1469 vwrq->disabled = (vwrq->value == 32767);
1475 /*------------------------------------------------------------------*/
1477 * Wireless Handler : set Mode of Operation
1479 static int ray_set_mode(struct net_device *dev,
1480 struct iw_request_info *info,
1484 ray_dev_t *local = (ray_dev_t *)dev->priv;
1485 int err = -EINPROGRESS; /* Call commit handler */
1488 /* Reject if card is already initialised */
1489 if(local->card_status != CARD_AWAITING_PARAM)
1498 local->sparm.b5.a_network_type = card_mode;
1507 /*------------------------------------------------------------------*/
1509 * Wireless Handler : get Mode of Operation
1511 static int ray_get_mode(struct net_device *dev,
1512 struct iw_request_info *info,
1516 ray_dev_t *local = (ray_dev_t *)dev->priv;
1518 if(local->sparm.b5.a_network_type)
1519 *uwrq = IW_MODE_INFRA;
1521 *uwrq = IW_MODE_ADHOC;
1526 /*------------------------------------------------------------------*/
1528 * Wireless Handler : get range info
1530 static int ray_get_range(struct net_device *dev,
1531 struct iw_request_info *info,
1532 struct iw_point *dwrq,
1535 struct iw_range *range = (struct iw_range *) extra;
1537 memset((char *) range, 0, sizeof(struct iw_range));
1539 /* Set the length (very important for backward compatibility) */
1540 dwrq->length = sizeof(struct iw_range);
1542 /* Set the Wireless Extension versions */
1543 range->we_version_compiled = WIRELESS_EXT;
1544 range->we_version_source = 9;
1546 /* Set information in the range struct */
1547 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1548 range->num_channels = hop_pattern_length[(int)country];
1549 range->num_frequency = 0;
1550 range->max_qual.qual = 0;
1551 range->max_qual.level = 255; /* What's the correct value ? */
1552 range->max_qual.noise = 255; /* Idem */
1553 range->num_bitrates = 2;
1554 range->bitrate[0] = 1000000; /* 1 Mb/s */
1555 range->bitrate[1] = 2000000; /* 2 Mb/s */
1559 /*------------------------------------------------------------------*/
1561 * Wireless Private Handler : set framing mode
1563 static int ray_set_framing(struct net_device *dev,
1564 struct iw_request_info *info,
1565 union iwreq_data *wrqu,
1568 translate = *(extra); /* Set framing mode */
1573 /*------------------------------------------------------------------*/
1575 * Wireless Private Handler : get framing mode
1577 static int ray_get_framing(struct net_device *dev,
1578 struct iw_request_info *info,
1579 union iwreq_data *wrqu,
1582 *(extra) = translate;
1587 /*------------------------------------------------------------------*/
1589 * Wireless Private Handler : get country
1591 static int ray_get_country(struct net_device *dev,
1592 struct iw_request_info *info,
1593 union iwreq_data *wrqu,
1601 /*------------------------------------------------------------------*/
1603 * Commit handler : called after a bunch of SET operations
1605 static int ray_commit(struct net_device *dev,
1606 struct iw_request_info *info, /* NULL */
1607 void *zwrq, /* NULL */
1608 char *extra) /* NULL */
1613 /*------------------------------------------------------------------*/
1615 * Stats handler : return Wireless Stats
1617 static iw_stats * ray_get_wireless_stats(struct net_device * dev)
1619 ray_dev_t * local = (ray_dev_t *) dev->priv;
1620 dev_link_t *link = local->finder;
1621 struct status __iomem *p = local->sram + STATUS_BASE;
1623 if(local == (ray_dev_t *) NULL)
1624 return (iw_stats *) NULL;
1626 local->wstats.status = local->card_status;
1628 if((local->spy_data.spy_number > 0) && (local->sparm.b5.a_network_type == 0))
1630 /* Get it from the first node in spy list */
1631 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1632 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1633 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1634 local->wstats.qual.updated = local->spy_data.spy_stat[0].updated;
1636 #endif /* WIRELESS_SPY */
1638 if((link->state & DEV_PRESENT)) {
1639 local->wstats.qual.noise = readb(&p->rxnoise);
1640 local->wstats.qual.updated |= 4;
1643 return &local->wstats;
1644 } /* end ray_get_wireless_stats */
1646 /*------------------------------------------------------------------*/
1648 * Structures to export the Wireless Handlers
1651 static const iw_handler ray_handler[] = {
1652 [SIOCSIWCOMMIT-SIOCIWFIRST] (iw_handler) ray_commit,
1653 [SIOCGIWNAME -SIOCIWFIRST] (iw_handler) ray_get_name,
1654 [SIOCSIWFREQ -SIOCIWFIRST] (iw_handler) ray_set_freq,
1655 [SIOCGIWFREQ -SIOCIWFIRST] (iw_handler) ray_get_freq,
1656 [SIOCSIWMODE -SIOCIWFIRST] (iw_handler) ray_set_mode,
1657 [SIOCGIWMODE -SIOCIWFIRST] (iw_handler) ray_get_mode,
1658 [SIOCGIWRANGE -SIOCIWFIRST] (iw_handler) ray_get_range,
1660 [SIOCSIWSPY -SIOCIWFIRST] (iw_handler) iw_handler_set_spy,
1661 [SIOCGIWSPY -SIOCIWFIRST] (iw_handler) iw_handler_get_spy,
1662 [SIOCSIWTHRSPY-SIOCIWFIRST] (iw_handler) iw_handler_set_thrspy,
1663 [SIOCGIWTHRSPY-SIOCIWFIRST] (iw_handler) iw_handler_get_thrspy,
1664 #endif /* WIRELESS_SPY */
1665 [SIOCGIWAP -SIOCIWFIRST] (iw_handler) ray_get_wap,
1666 [SIOCSIWESSID -SIOCIWFIRST] (iw_handler) ray_set_essid,
1667 [SIOCGIWESSID -SIOCIWFIRST] (iw_handler) ray_get_essid,
1668 [SIOCSIWRATE -SIOCIWFIRST] (iw_handler) ray_set_rate,
1669 [SIOCGIWRATE -SIOCIWFIRST] (iw_handler) ray_get_rate,
1670 [SIOCSIWRTS -SIOCIWFIRST] (iw_handler) ray_set_rts,
1671 [SIOCGIWRTS -SIOCIWFIRST] (iw_handler) ray_get_rts,
1672 [SIOCSIWFRAG -SIOCIWFIRST] (iw_handler) ray_set_frag,
1673 [SIOCGIWFRAG -SIOCIWFIRST] (iw_handler) ray_get_frag,
1676 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1677 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1678 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1680 static const iw_handler ray_private_handler[] = {
1681 [0] (iw_handler) ray_set_framing,
1682 [1] (iw_handler) ray_get_framing,
1683 [3] (iw_handler) ray_get_country,
1686 static const struct iw_priv_args ray_private_args[] = {
1687 /* cmd, set_args, get_args, name */
1688 { SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "set_framing" },
1689 { SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_framing" },
1690 { SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_country" },
1693 static const struct iw_handler_def ray_handler_def =
1695 .num_standard = sizeof(ray_handler)/sizeof(iw_handler),
1696 .num_private = sizeof(ray_private_handler)/sizeof(iw_handler),
1697 .num_private_args = sizeof(ray_private_args)/sizeof(struct iw_priv_args),
1698 .standard = ray_handler,
1699 .private = ray_private_handler,
1700 .private_args = ray_private_args,
1701 .get_wireless_stats = ray_get_wireless_stats,
1704 /*===========================================================================*/
1705 static int ray_open(struct net_device *dev)
1708 ray_dev_t *local = (ray_dev_t *)dev->priv;
1710 DEBUG(1, "ray_open('%s')\n", dev->name);
1712 for (link = dev_list; link; link = link->next)
1713 if (link->priv == dev) break;
1714 if (!DEV_OK(link)) {
1718 if (link->open == 0) local->num_multi = 0;
1721 /* If the card is not started, time to start it ! - Jean II */
1722 if(local->card_status == CARD_AWAITING_PARAM) {
1725 DEBUG(1,"ray_open: doing init now !\n");
1727 /* Download startup parameters */
1728 if ( (i = dl_startup_params(dev)) < 0)
1730 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
1731 "returns 0x%x\n",i);
1736 if (sniffer) netif_stop_queue(dev);
1737 else netif_start_queue(dev);
1739 DEBUG(2,"ray_open ending\n");
1741 } /* end ray_open */
1742 /*===========================================================================*/
1743 static int ray_dev_close(struct net_device *dev)
1747 DEBUG(1, "ray_dev_close('%s')\n", dev->name);
1749 for (link = dev_list; link; link = link->next)
1750 if (link->priv == dev) break;
1755 netif_stop_queue(dev);
1757 /* In here, we should stop the hardware (stop card from beeing active)
1758 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1759 * card is closed we can chage its configuration.
1760 * Probably also need a COR reset to get sane state - Jean II */
1763 } /* end ray_dev_close */
1764 /*===========================================================================*/
1765 static void ray_reset(struct net_device *dev) {
1766 DEBUG(1,"ray_reset entered\n");
1769 /*===========================================================================*/
1770 /* Cause a firmware interrupt if it is ready for one */
1771 /* Return nonzero if not ready */
1772 static int interrupt_ecf(ray_dev_t *local, int ccs)
1775 dev_link_t *link = local->finder;
1777 if (!(link->state & DEV_PRESENT)) {
1778 DEBUG(2,"ray_cs interrupt_ecf - device not present\n");
1781 DEBUG(2,"interrupt_ecf(local=%p, ccs = 0x%x\n",local,ccs);
1784 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & ECF_INTR_SET))
1787 DEBUG(2,"ray_cs interrupt_ecf card not ready for interrupt\n");
1790 /* Fill the mailbox, then kick the card */
1791 writeb(ccs, local->sram + SCB_BASE);
1792 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1794 } /* interrupt_ecf */
1795 /*===========================================================================*/
1796 /* Get next free transmit CCS */
1797 /* Return - index of current tx ccs */
1798 static int get_free_tx_ccs(ray_dev_t *local)
1801 struct ccs __iomem *pccs = ccs_base(local);
1802 dev_link_t *link = local->finder;
1804 if (!(link->state & DEV_PRESENT)) {
1805 DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n");
1809 if (test_and_set_bit(0,&local->tx_ccs_lock)) {
1810 DEBUG(1,"ray_cs tx_ccs_lock busy\n");
1814 for (i=0; i < NUMBER_OF_TX_CCS; i++) {
1815 if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
1816 writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
1817 writeb(CCS_END_LIST, &(pccs+i)->link);
1818 local->tx_ccs_lock = 0;
1822 local->tx_ccs_lock = 0;
1823 DEBUG(2,"ray_cs ERROR no free tx CCS for raylink card\n");
1825 } /* get_free_tx_ccs */
1826 /*===========================================================================*/
1827 /* Get next free CCS */
1828 /* Return - index of current ccs */
1829 static int get_free_ccs(ray_dev_t *local)
1832 struct ccs __iomem *pccs = ccs_base(local);
1833 dev_link_t *link = local->finder;
1835 if (!(link->state & DEV_PRESENT)) {
1836 DEBUG(2,"ray_cs get_free_ccs - device not present\n");
1839 if (test_and_set_bit(0,&local->ccs_lock)) {
1840 DEBUG(1,"ray_cs ccs_lock busy\n");
1844 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1845 if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
1846 writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
1847 writeb(CCS_END_LIST, &(pccs+i)->link);
1848 local->ccs_lock = 0;
1852 local->ccs_lock = 0;
1853 DEBUG(1,"ray_cs ERROR no free CCS for raylink card\n");
1855 } /* get_free_ccs */
1856 /*===========================================================================*/
1857 static void authenticate_timeout(u_long data)
1859 ray_dev_t *local = (ray_dev_t *)data;
1860 del_timer(&local->timer);
1861 printk(KERN_INFO "ray_cs Authentication with access point failed"
1863 join_net((u_long)local);
1865 /*===========================================================================*/
1866 static int asc_to_int(char a)
1868 if (a < '0') return -1;
1869 if (a <= '9') return (a - '0');
1870 if (a < 'A') return -1;
1871 if (a <= 'F') return (10 + a - 'A');
1872 if (a < 'a') return -1;
1873 if (a <= 'f') return (10 + a - 'a');
1876 /*===========================================================================*/
1877 static int parse_addr(char *in_str, UCHAR *out)
1883 if (in_str == NULL) return 0;
1884 if ((len = strlen(in_str)) < 2) return 0;
1885 memset(out, 0, ADDRLEN);
1894 if ((k = asc_to_int(in_str[j--])) != -1) out[i] = k;
1898 if ((k = asc_to_int(in_str[j--])) != -1) out[i] += k << 4;
1904 /*===========================================================================*/
1905 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1907 ray_dev_t *local = (ray_dev_t *)dev->priv;
1908 dev_link_t *link = local->finder;
1909 struct status __iomem *p = local->sram + STATUS_BASE;
1910 if (!(link->state & DEV_PRESENT)) {
1911 DEBUG(2,"ray_cs net_device_stats - device not present\n");
1912 return &local->stats;
1914 if (readb(&p->mrx_overflow_for_host))
1916 local->stats.rx_over_errors += ntohs(readb(&p->mrx_overflow));
1917 writeb(0,&p->mrx_overflow);
1918 writeb(0,&p->mrx_overflow_for_host);
1920 if (readb(&p->mrx_checksum_error_for_host))
1922 local->stats.rx_crc_errors += ntohs(readb(&p->mrx_checksum_error));
1923 writeb(0,&p->mrx_checksum_error);
1924 writeb(0,&p->mrx_checksum_error_for_host);
1926 if (readb(&p->rx_hec_error_for_host))
1928 local->stats.rx_frame_errors += ntohs(readb(&p->rx_hec_error));
1929 writeb(0,&p->rx_hec_error);
1930 writeb(0,&p->rx_hec_error_for_host);
1932 return &local->stats;
1934 /*===========================================================================*/
1935 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len)
1937 ray_dev_t *local = (ray_dev_t *)dev->priv;
1938 dev_link_t *link = local->finder;
1941 struct ccs __iomem *pccs;
1943 if (!(link->state & DEV_PRESENT)) {
1944 DEBUG(2,"ray_update_parm - device not present\n");
1948 if ((ccsindex = get_free_ccs(local)) < 0)
1950 DEBUG(0,"ray_update_parm - No free ccs\n");
1953 pccs = ccs_base(local) + ccsindex;
1954 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1955 writeb(objid, &pccs->var.update_param.object_id);
1956 writeb(1, &pccs->var.update_param.number_objects);
1957 writeb(0, &pccs->var.update_param.failure_cause);
1958 for (i=0; i<len; i++) {
1959 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1961 /* Interrupt the firmware to process the command */
1962 if (interrupt_ecf(local, ccsindex)) {
1963 DEBUG(0,"ray_cs associate failed - ECF not ready for intr\n");
1964 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1967 /*===========================================================================*/
1968 static void ray_update_multi_list(struct net_device *dev, int all)
1970 struct dev_mc_list *dmi, **dmip;
1972 struct ccs __iomem *pccs;
1974 ray_dev_t *local = (ray_dev_t *)dev->priv;
1975 dev_link_t *link = local->finder;
1976 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1978 if (!(link->state & DEV_PRESENT)) {
1979 DEBUG(2,"ray_update_multi_list - device not present\n");
1983 DEBUG(2,"ray_update_multi_list(%p)\n",dev);
1984 if ((ccsindex = get_free_ccs(local)) < 0)
1986 DEBUG(1,"ray_update_multi - No free ccs\n");
1989 pccs = ccs_base(local) + ccsindex;
1990 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1993 writeb(0xff, &pccs->var);
1994 local->num_multi = 0xff;
1997 /* Copy the kernel's list of MC addresses to card */
1998 for (dmip=&dev->mc_list; (dmi=*dmip)!=NULL; dmip=&dmi->next) {
1999 memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
2000 DEBUG(1,"ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",dmi->dmi_addr[0],dmi->dmi_addr[1],dmi->dmi_addr[2],dmi->dmi_addr[3],dmi->dmi_addr[4],dmi->dmi_addr[5]);
2004 if (i > 256/ADDRLEN) i = 256/ADDRLEN;
2005 writeb((UCHAR)i, &pccs->var);
2006 DEBUG(1,"ray_cs update_multi %d addresses in list\n", i);
2007 /* Interrupt the firmware to process the command */
2008 local->num_multi = i;
2010 if (interrupt_ecf(local, ccsindex)) {
2011 DEBUG(1,"ray_cs update_multi failed - ECF not ready for intr\n");
2012 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2014 } /* end ray_update_multi_list */
2015 /*===========================================================================*/
2016 static void set_multicast_list(struct net_device *dev)
2018 ray_dev_t *local = (ray_dev_t *)dev->priv;
2021 DEBUG(2,"ray_cs set_multicast_list(%p)\n",dev);
2023 if (dev->flags & IFF_PROMISC)
2025 if (local->sparm.b5.a_promiscuous_mode == 0) {
2026 DEBUG(1,"ray_cs set_multicast_list promisc on\n");
2027 local->sparm.b5.a_promiscuous_mode = 1;
2029 ray_update_parm(dev, OBJID_promiscuous_mode, \
2030 &promisc, sizeof(promisc));
2034 if (local->sparm.b5.a_promiscuous_mode == 1) {
2035 DEBUG(1,"ray_cs set_multicast_list promisc off\n");
2036 local->sparm.b5.a_promiscuous_mode = 0;
2038 ray_update_parm(dev, OBJID_promiscuous_mode, \
2039 &promisc, sizeof(promisc));
2043 if (dev->flags & IFF_ALLMULTI) ray_update_multi_list(dev, 1);
2046 if (local->num_multi != dev->mc_count) ray_update_multi_list(dev, 0);
2048 } /* end set_multicast_list */
2049 /*=============================================================================
2050 * All routines below here are run at interrupt time.
2051 =============================================================================*/
2052 static irqreturn_t ray_interrupt(int irq, void *dev_id, struct pt_regs * regs)
2054 struct net_device *dev = (struct net_device *)dev_id;
2057 struct ccs __iomem *pccs;
2058 struct rcs __iomem *prcs;
2064 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
2067 DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev);
2069 local = (ray_dev_t *)dev->priv;
2070 link = (dev_link_t *)local->finder;
2071 if ( ! (link->state & DEV_PRESENT) || link->state & DEV_SUSPEND ) {
2072 DEBUG(2,"ray_cs interrupt from device not present or suspended.\n");
2075 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
2077 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS))
2079 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
2080 clear_interrupt(local);
2083 if (rcsindex < NUMBER_OF_CCS) /* If it's a returned CCS */
2085 pccs = ccs_base(local) + rcsindex;
2086 cmd = readb(&pccs->cmd);
2087 status = readb(&pccs->buffer_status);
2090 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
2091 del_timer(&local->timer);
2092 if (status == CCS_COMMAND_COMPLETE) {
2093 DEBUG(1,"ray_cs interrupt download_startup_parameters OK\n");
2096 DEBUG(1,"ray_cs interrupt download_startup_parameters fail\n");
2099 case CCS_UPDATE_PARAMS:
2100 DEBUG(1,"ray_cs interrupt update params done\n");
2101 if (status != CCS_COMMAND_COMPLETE) {
2102 tmp = readb(&pccs->var.update_param.failure_cause);
2103 DEBUG(0,"ray_cs interrupt update params failed - reason %d\n",tmp);
2106 case CCS_REPORT_PARAMS:
2107 DEBUG(1,"ray_cs interrupt report params done\n");
2109 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
2110 DEBUG(1,"ray_cs interrupt CCS Update Multicast List done\n");
2112 case CCS_UPDATE_POWER_SAVINGS_MODE:
2113 DEBUG(1,"ray_cs interrupt update power save mode done\n");
2115 case CCS_START_NETWORK:
2116 case CCS_JOIN_NETWORK:
2117 if (status == CCS_COMMAND_COMPLETE) {
2118 if (readb(&pccs->var.start_network.net_initiated) == 1) {
2119 DEBUG(0,"ray_cs interrupt network \"%s\" started\n",\
2120 local->sparm.b4.a_current_ess_id);
2123 DEBUG(0,"ray_cs interrupt network \"%s\" joined\n",\
2124 local->sparm.b4.a_current_ess_id);
2126 memcpy_fromio(&local->bss_id,pccs->var.start_network.bssid,ADDRLEN);
2128 if (local->fw_ver == 0x55) local->net_default_tx_rate = 3;
2129 else local->net_default_tx_rate =
2130 readb(&pccs->var.start_network.net_default_tx_rate);
2131 local->encryption = readb(&pccs->var.start_network.encryption);
2132 if (!sniffer && (local->net_type == INFRA)
2133 && !(local->sparm.b4.a_acting_as_ap_status)) {
2134 authenticate(local);
2136 local->card_status = CARD_ACQ_COMPLETE;
2139 local->card_status = CARD_ACQ_FAILED;
2141 del_timer(&local->timer);
2142 local->timer.expires = jiffies + HZ*5;
2143 local->timer.data = (long)local;
2144 if (status == CCS_START_NETWORK) {
2145 DEBUG(0,"ray_cs interrupt network \"%s\" start failed\n",\
2146 local->sparm.b4.a_current_ess_id);
2147 local->timer.function = &start_net;
2150 DEBUG(0,"ray_cs interrupt network \"%s\" join failed\n",\
2151 local->sparm.b4.a_current_ess_id);
2152 local->timer.function = &join_net;
2154 add_timer(&local->timer);
2157 case CCS_START_ASSOCIATION:
2158 if (status == CCS_COMMAND_COMPLETE) {
2159 local->card_status = CARD_ASSOC_COMPLETE;
2160 DEBUG(0,"ray_cs association successful\n");
2164 DEBUG(0,"ray_cs association failed,\n");
2165 local->card_status = CARD_ASSOC_FAILED;
2166 join_net((u_long)local);
2169 case CCS_TX_REQUEST:
2170 if (status == CCS_COMMAND_COMPLETE) {
2171 DEBUG(3,"ray_cs interrupt tx request complete\n");
2174 DEBUG(1,"ray_cs interrupt tx request failed\n");
2176 if (!sniffer) netif_start_queue(dev);
2177 netif_wake_queue(dev);
2179 case CCS_TEST_MEMORY:
2180 DEBUG(1,"ray_cs interrupt mem test done\n");
2183 DEBUG(1,"ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2185 case CCS_DUMP_MEMORY:
2186 DEBUG(1,"ray_cs interrupt dump memory done\n");
2188 case CCS_START_TIMER:
2189 DEBUG(2,"ray_cs interrupt DING - raylink timer expired\n");
2192 DEBUG(1,"ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",\
2195 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2197 else /* It's an RCS */
2199 prcs = rcs_base(local) + rcsindex;
2201 switch (readb(&prcs->interrupt_id))
2203 case PROCESS_RX_PACKET:
2204 ray_rx(dev, local, prcs);
2206 case REJOIN_NET_COMPLETE:
2207 DEBUG(1,"ray_cs interrupt rejoin net complete\n");
2208 local->card_status = CARD_ACQ_COMPLETE;
2209 /* do we need to clear tx buffers CCS's? */
2210 if (local->sparm.b4.a_network_type == ADHOC) {
2211 if (!sniffer) netif_start_queue(dev);
2214 memcpy_fromio(&local->bss_id, prcs->var.rejoin_net_complete.bssid, ADDRLEN);
2215 DEBUG(1,"ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",\
2216 local->bss_id[0], local->bss_id[1], local->bss_id[2],\
2217 local->bss_id[3], local->bss_id[4], local->bss_id[5]);
2218 if (!sniffer) authenticate(local);
2221 case ROAMING_INITIATED:
2222 DEBUG(1,"ray_cs interrupt roaming initiated\n");
2223 netif_stop_queue(dev);
2224 local->card_status = CARD_DOING_ACQ;
2226 case JAPAN_CALL_SIGN_RXD:
2227 DEBUG(1,"ray_cs interrupt japan call sign rx\n");
2230 DEBUG(1,"ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",\
2231 rcsindex, (unsigned int) readb(&prcs->interrupt_id));
2234 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2236 clear_interrupt(local);
2238 } /* ray_interrupt */
2239 /*===========================================================================*/
2240 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs)
2243 unsigned int pkt_addr;
2245 DEBUG(4,"ray_rx process rx packet\n");
2247 /* Calculate address of packet within Rx buffer */
2248 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2249 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2250 /* Length of first packet fragment */
2251 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2252 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2254 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2255 pmsg = local->rmem + pkt_addr;
2259 DEBUG(4,"ray_rx data type\n");
2260 rx_data(dev, prcs, pkt_addr, rx_len);
2262 case AUTHENTIC_TYPE:
2263 DEBUG(4,"ray_rx authentic type\n");
2264 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
2265 else rx_authenticate(local, prcs, pkt_addr, rx_len);
2267 case DEAUTHENTIC_TYPE:
2268 DEBUG(4,"ray_rx deauth type\n");
2269 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
2270 else rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2273 DEBUG(3,"ray_cs rx NULL msg\n");
2276 DEBUG(4,"ray_rx beacon type\n");
2277 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
2279 copy_from_rx_buff(local, (UCHAR *)&local->last_bcn, pkt_addr,
2280 rx_len < sizeof(struct beacon_rx) ?
2281 rx_len : sizeof(struct beacon_rx));
2283 local->beacon_rxed = 1;
2284 /* Get the statistics so the card counters never overflow */
2288 DEBUG(0,"ray_cs unknown pkt type %2x\n", (unsigned int) readb(pmsg));
2293 /*===========================================================================*/
2294 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr,
2297 struct sk_buff *skb = NULL;
2298 struct rcs __iomem *prcslink = prcs;
2299 ray_dev_t *local = dev->priv;
2304 int siglev = local->last_rsl;
2305 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2310 /* TBD length needs fixing for translated header */
2311 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2312 rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN))
2314 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
2318 else /* encapsulated ethernet */ {
2319 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2320 rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN))
2322 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
2327 DEBUG(4,"ray_cs rx_data packet\n");
2328 /* If fragmented packet, verify sizes of fragments add up */
2329 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2330 DEBUG(1,"ray_cs rx'ed fragment\n");
2331 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2332 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2336 tmp -= (readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
2337 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2338 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) == 0xFF
2340 prcslink = rcs_base(local)
2341 + readb(&prcslink->link_field);
2346 DEBUG(0,"ray_cs rx_data fragment lengths don't add up\n");
2347 local->stats.rx_dropped++;
2348 release_frag_chain(local, prcs);
2352 else { /* Single unfragmented packet */
2356 skb = dev_alloc_skb( total_len+5 );
2359 DEBUG(0,"ray_cs rx_data could not allocate skb\n");
2360 local->stats.rx_dropped++;
2361 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2362 release_frag_chain(local, prcs);
2365 skb_reserve( skb, 2); /* Align IP on 16 byte (TBD check this)*/
2368 DEBUG(4,"ray_cs rx_data total_len = %x, rx_len = %x\n",total_len,rx_len);
2370 /************************/
2371 /* Reserve enough room for the whole damn packet. */
2372 rx_ptr = skb_put( skb, total_len);
2373 /* Copy the whole packet to sk_buff */
2374 rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2375 /* Get source address */
2377 memcpy(linksrcaddr, ((struct mac_header *)skb->data)->addr_2, ETH_ALEN);
2379 /* Now, deal with encapsulation/translation/sniffer */
2382 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2383 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2384 skb_pull( skb, RX_MAC_HEADER_LENGTH);
2387 /* Do translation */
2388 untranslate(local, skb, total_len);
2392 { /* sniffer mode, so just pass whole packet */ };
2394 /************************/
2395 /* Now pick up the rest of the fragments if any */
2397 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2399 DEBUG(1,"ray_cs rx_data in fragment loop\n");
2401 prcslink = rcs_base(local)
2402 + readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2403 rx_len = (( readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
2404 + readb(&prcslink->var.rx_packet.rx_data_length[1]))
2406 pkt_addr = (( readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << 8)
2407 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2410 rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2413 readb(&prcslink->var.rx_packet.next_frag_rcs_index) != 0xFF);
2414 release_frag_chain(local, prcs);
2417 skb->protocol = eth_type_trans(skb,dev);
2419 dev->last_rx = jiffies;
2420 local->stats.rx_packets++;
2421 local->stats.rx_bytes += total_len;
2423 /* Gather signal strength per address */
2425 /* For the Access Point or the node having started the ad-hoc net
2426 * note : ad-hoc work only in some specific configurations, but we
2427 * kludge in ray_get_wireless_stats... */
2428 if(!memcmp(linksrcaddr, local->bss_id, ETH_ALEN))
2430 /* Update statistics */
2431 /*local->wstats.qual.qual = none ? */
2432 local->wstats.qual.level = siglev;
2433 /*local->wstats.qual.noise = none ? */
2434 local->wstats.qual.updated = 0x2;
2436 /* Now, update the spy stuff */
2438 struct iw_quality wstats;
2439 wstats.level = siglev;
2440 /* wstats.noise = none ? */
2441 /* wstats.qual = none ? */
2442 wstats.updated = 0x2;
2443 /* Update spy records */
2444 wireless_spy_update(dev, linksrcaddr, &wstats);
2446 #endif /* WIRELESS_SPY */
2448 /*===========================================================================*/
2449 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2451 snaphdr_t *psnap = (snaphdr_t *)(skb->data + RX_MAC_HEADER_LENGTH);
2452 struct mac_header *pmac = (struct mac_header *)skb->data;
2453 unsigned short type = *(unsigned short *)psnap->ethertype;
2454 unsigned int xsap = *(unsigned int *)psnap & 0x00ffffff;
2455 unsigned int org = (*(unsigned int *)psnap->org) & 0x00ffffff;
2457 struct ethhdr *peth;
2458 UCHAR srcaddr[ADDRLEN];
2459 UCHAR destaddr[ADDRLEN];
2461 if (pmac->frame_ctl_2 & FC2_FROM_DS) {
2462 if (pmac->frame_ctl_2 & FC2_TO_DS) { /* AP to AP */
2463 memcpy(destaddr, pmac->addr_3, ADDRLEN);
2464 memcpy(srcaddr, ((unsigned char *)pmac->addr_3) + ADDRLEN, ADDRLEN);
2465 } else { /* AP to terminal */
2466 memcpy(destaddr, pmac->addr_1, ADDRLEN);
2467 memcpy(srcaddr, pmac->addr_3, ADDRLEN);
2469 } else { /* Terminal to AP */
2470 if (pmac->frame_ctl_2 & FC2_TO_DS) {
2471 memcpy(destaddr, pmac->addr_3, ADDRLEN);
2472 memcpy(srcaddr, pmac->addr_2, ADDRLEN);
2473 } else { /* Adhoc */
2474 memcpy(destaddr, pmac->addr_1, ADDRLEN);
2475 memcpy(srcaddr, pmac->addr_2, ADDRLEN);
2482 printk(KERN_DEBUG "skb->data before untranslate");
2484 printk("%02x ",skb->data[i]);
2485 printk("\n" KERN_DEBUG "type = %08x, xsap = %08x, org = %08x\n",
2487 printk(KERN_DEBUG "untranslate skb->data = %p\n",skb->data);
2491 if ( xsap != SNAP_ID) {
2492 /* not a snap type so leave it alone */
2493 DEBUG(3,"ray_cs untranslate NOT SNAP %x\n", *(unsigned int *)psnap & 0x00ffffff);
2495 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2496 peth = (struct ethhdr *)(skb->data + delta);
2497 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2499 else { /* Its a SNAP */
2500 if (org == BRIDGE_ENCAP) { /* EtherII and nuke the LLC */
2501 DEBUG(3,"ray_cs untranslate Bridge encap\n");
2502 delta = RX_MAC_HEADER_LENGTH
2503 + sizeof(struct snaphdr_t) - ETH_HLEN;
2504 peth = (struct ethhdr *)(skb->data + delta);
2505 peth->h_proto = type;
2508 if (org == RFC1042_ENCAP) {
2512 DEBUG(3,"ray_cs untranslate RFC IPX/AARP\n");
2513 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2514 peth = (struct ethhdr *)(skb->data + delta);
2515 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2518 DEBUG(3,"ray_cs untranslate RFC default\n");
2519 delta = RX_MAC_HEADER_LENGTH +
2520 sizeof(struct snaphdr_t) - ETH_HLEN;
2521 peth = (struct ethhdr *)(skb->data + delta);
2522 peth->h_proto = type;
2527 printk("ray_cs untranslate very confused by packet\n");
2528 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2529 peth = (struct ethhdr *)(skb->data + delta);
2530 peth->h_proto = type;
2534 /* TBD reserve skb_reserve(skb, delta); */
2535 skb_pull(skb, delta);
2536 DEBUG(3,"untranslate after skb_pull(%d), skb->data = %p\n",delta,skb->data);
2537 memcpy(peth->h_dest, destaddr, ADDRLEN);
2538 memcpy(peth->h_source, srcaddr, ADDRLEN);
2542 printk(KERN_DEBUG "skb->data after untranslate:");
2544 printk("%02x ",skb->data[i]);
2548 } /* end untranslate */
2549 /*===========================================================================*/
2550 /* Copy data from circular receive buffer to PC memory.
2551 * dest = destination address in PC memory
2552 * pkt_addr = source address in receive buffer
2553 * len = length of packet to copy
2555 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int length)
2557 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2558 if (wrap_bytes <= 0)
2560 memcpy_fromio(dest,local->rmem + pkt_addr,length);
2562 else /* Packet wrapped in circular buffer */
2564 memcpy_fromio(dest,local->rmem+pkt_addr,length - wrap_bytes);
2565 memcpy_fromio(dest + length - wrap_bytes, local->rmem, wrap_bytes);
2569 /*===========================================================================*/
2570 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem * prcs)
2572 struct rcs __iomem *prcslink = prcs;
2574 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2577 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2578 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2579 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
2582 prcslink = rcs_base(local) + rcsindex;
2583 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2585 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2587 /*===========================================================================*/
2588 static void authenticate(ray_dev_t *local)
2590 dev_link_t *link = local->finder;
2591 DEBUG(0,"ray_cs Starting authentication.\n");
2592 if (!(link->state & DEV_PRESENT)) {
2593 DEBUG(2,"ray_cs authenticate - device not present\n");
2597 del_timer(&local->timer);
2598 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2599 local->timer.function = &join_net;
2602 local->timer.function = &authenticate_timeout;
2604 local->timer.expires = jiffies + HZ*2;
2605 local->timer.data = (long)local;
2606 add_timer(&local->timer);
2607 local->authentication_state = AWAITING_RESPONSE;
2608 } /* end authenticate */
2609 /*===========================================================================*/
2610 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2611 unsigned int pkt_addr, int rx_len)
2614 struct rx_msg *msg = (struct rx_msg *)buff;
2616 del_timer(&local->timer);
2618 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2619 /* if we are trying to get authenticated */
2620 if (local->sparm.b4.a_network_type == ADHOC) {
2621 DEBUG(1,"ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", msg->var[0],msg->var[1],msg->var[2],msg->var[3],msg->var[4],msg->var[5]);
2622 if (msg->var[2] == 1) {
2623 DEBUG(0,"ray_cs Sending authentication response.\n");
2624 if (!build_auth_frame (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2625 local->authentication_state = NEED_TO_AUTH;
2626 memcpy(local->auth_id, msg->mac.addr_2, ADDRLEN);
2630 else /* Infrastructure network */
2632 if (local->authentication_state == AWAITING_RESPONSE) {
2633 /* Verify authentication sequence #2 and success */
2634 if (msg->var[2] == 2) {
2635 if ((msg->var[3] | msg->var[4]) == 0) {
2636 DEBUG(1,"Authentication successful\n");
2637 local->card_status = CARD_AUTH_COMPLETE;
2639 local->authentication_state = AUTHENTICATED;
2642 DEBUG(0,"Authentication refused\n");
2643 local->card_status = CARD_AUTH_REFUSED;
2644 join_net((u_long)local);
2645 local->authentication_state = UNAUTHENTICATED;
2651 } /* end rx_authenticate */
2652 /*===========================================================================*/
2653 static void associate(ray_dev_t *local)
2655 struct ccs __iomem *pccs;
2656 dev_link_t *link = local->finder;
2657 struct net_device *dev = link->priv;
2659 if (!(link->state & DEV_PRESENT)) {
2660 DEBUG(2,"ray_cs associate - device not present\n");
2663 /* If no tx buffers available, return*/
2664 if ((ccsindex = get_free_ccs(local)) < 0)
2666 /* TBD should never be here but... what if we are? */
2667 DEBUG(1,"ray_cs associate - No free ccs\n");
2670 DEBUG(1,"ray_cs Starting association with access point\n");
2671 pccs = ccs_base(local) + ccsindex;
2672 /* fill in the CCS */
2673 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2674 /* Interrupt the firmware to process the command */
2675 if (interrupt_ecf(local, ccsindex)) {
2676 DEBUG(1,"ray_cs associate failed - ECF not ready for intr\n");
2677 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2679 del_timer(&local->timer);
2680 local->timer.expires = jiffies + HZ*2;
2681 local->timer.data = (long)local;
2682 local->timer.function = &join_net;
2683 add_timer(&local->timer);
2684 local->card_status = CARD_ASSOC_FAILED;
2687 if (!sniffer) netif_start_queue(dev);
2689 } /* end associate */
2690 /*===========================================================================*/
2691 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2692 unsigned int pkt_addr, int rx_len)
2695 struct rx_msg *msg = (struct rx_msg *)buff;
2697 DEBUG(0,"Deauthentication frame received\n");
2698 local->authentication_state = UNAUTHENTICATED;
2699 /* Need to reauthenticate or rejoin depending on reason code */
2700 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2703 /*===========================================================================*/
2704 static void clear_interrupt(ray_dev_t *local)
2706 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2708 /*===========================================================================*/
2709 #ifdef CONFIG_PROC_FS
2710 #define MAXDATA (PAGE_SIZE - 80)
2712 static char *card_status[] = {
2713 "Card inserted - uninitialized", /* 0 */
2714 "Card not downloaded", /* 1 */
2715 "Waiting for download parameters", /* 2 */
2716 "Card doing acquisition", /* 3 */
2717 "Acquisition complete", /* 4 */
2718 "Authentication complete", /* 5 */
2719 "Association complete", /* 6 */
2720 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2721 "Card init error", /* 11 */
2722 "Download parameters error", /* 12 */
2724 "Acquisition failed", /* 14 */
2725 "Authentication refused", /* 15 */
2726 "Association failed" /* 16 */
2729 static char *nettype[] = {"Adhoc", "Infra "};
2730 static char *framing[] = {"Encapsulation", "Translation"}
2732 /*===========================================================================*/
2733 static int ray_cs_proc_read(char *buf, char **start, off_t offset, int len)
2735 /* Print current values which are not available via other means
2740 struct net_device *dev;
2743 struct freq_hop_element *pfh;
2749 dev = (struct net_device *)link->priv;
2752 local = (ray_dev_t *)dev->priv;
2758 len += sprintf(buf + len, "Raylink Wireless LAN driver status\n");
2759 len += sprintf(buf + len, "%s\n", rcsid);
2760 /* build 4 does not report version, and field is 0x55 after memtest */
2761 len += sprintf(buf + len, "Firmware version = ");
2762 if (local->fw_ver == 0x55)
2763 len += sprintf(buf + len, "4 - Use dump_cis for more details\n");
2765 len += sprintf(buf + len, "%2d.%02d.%02d\n",
2766 local->fw_ver, local->fw_bld, local->fw_var);
2768 for (i=0; i<32; i++) c[i] = local->sparm.b5.a_current_ess_id[i];
2770 len += sprintf(buf + len, "%s network ESSID = \"%s\"\n",
2771 nettype[local->sparm.b5.a_network_type], c);
2774 len += sprintf(buf + len,
2775 "BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
2776 p[0],p[1],p[2],p[3],p[4],p[5]);
2778 len += sprintf(buf + len, "Country code = %d\n",
2779 local->sparm.b5.a_curr_country_code);
2781 i = local->card_status;
2784 len += sprintf(buf + len, "Card status = %s\n", card_status[i]);
2786 len += sprintf(buf + len, "Framing mode = %s\n",framing[translate]);
2788 len += sprintf(buf + len, "Last pkt signal lvl = %d\n", local->last_rsl);
2790 if (local->beacon_rxed) {
2791 /* Pull some fields out of last beacon received */
2792 len += sprintf(buf + len, "Beacon Interval = %d Kus\n",
2793 local->last_bcn.beacon_intvl[0]
2794 + 256 * local->last_bcn.beacon_intvl[1]);
2796 p = local->last_bcn.elements;
2797 if (p[0] == C_ESSID_ELEMENT_ID) p += p[1] + 2;
2799 len += sprintf(buf + len, "Parse beacon failed at essid element id = %d\n",p[0]);
2803 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2804 len += sprintf(buf + len, "Supported rate codes = ");
2805 for (i=2; i<p[1] + 2; i++)
2806 len += sprintf(buf + len, "0x%02x ", p[i]);
2807 len += sprintf(buf + len, "\n");
2811 len += sprintf(buf + len, "Parse beacon failed at rates element\n");
2815 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2816 pfh = (struct freq_hop_element *)p;
2817 len += sprintf(buf + len, "Hop dwell = %d Kus\n",
2818 pfh->dwell_time[0] + 256 * pfh->dwell_time[1]);
2819 len += sprintf(buf + len, "Hop set = %d \n", pfh->hop_set);
2820 len += sprintf(buf + len, "Hop pattern = %d \n", pfh->hop_pattern);
2821 len += sprintf(buf + len, "Hop index = %d \n", pfh->hop_index);
2825 len += sprintf(buf + len, "Parse beacon failed at FH param element\n");
2829 len += sprintf(buf + len, "No beacons received\n");
2835 /*===========================================================================*/
2836 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2839 struct ccs __iomem *pccs;
2840 struct tx_msg __iomem *ptx;
2843 /* If no tx buffers available, return */
2844 if ((ccsindex = get_free_tx_ccs(local)) < 0)
2846 DEBUG(1,"ray_cs send authenticate - No free tx ccs\n");
2850 pccs = ccs_base(local) + ccsindex;
2852 /* Address in card space */
2853 addr = TX_BUF_BASE + (ccsindex << 11);
2854 /* fill in the CCS */
2855 writeb(CCS_TX_REQUEST, &pccs->cmd);
2856 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2857 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2858 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2859 writeb(TX_AUTHENTICATE_LENGTH_LSB,pccs->var.tx_request.tx_data_length + 1);
2860 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2862 ptx = local->sram + addr;
2863 /* fill in the mac header */
2864 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2865 writeb(0, &ptx->mac.frame_ctl_2);
2867 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2868 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2869 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2871 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2872 memset_io(ptx->var, 0, 6);
2873 writeb(auth_type & 0xff, ptx->var + 2);
2875 /* Interrupt the firmware to process the command */
2876 if (interrupt_ecf(local, ccsindex)) {
2877 DEBUG(1,"ray_cs send authentication request failed - ECF not ready for intr\n");
2878 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2882 } /* End build_auth_frame */
2884 /*===========================================================================*/
2885 #ifdef CONFIG_PROC_FS
2886 static void raycs_write(const char *name, write_proc_t *w, void *data)
2888 struct proc_dir_entry * entry = create_proc_entry(name, S_IFREG | S_IWUSR, NULL);
2890 entry->write_proc = w;
2895 static int write_essid(struct file *file, const char __user *buffer, unsigned long count, void *data)
2897 static char proc_essid[33];
2902 memset(proc_essid, 0, 33);
2903 if (copy_from_user(proc_essid, buffer, len))
2909 static int write_int(struct file *file, const char __user *buffer, unsigned long count, void *data)
2911 static char proc_number[10];
2920 if (copy_from_user(proc_number, buffer, count))
2926 unsigned int c = *p - '0';
2937 static struct pcmcia_device_id ray_ids[] = {
2938 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2941 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2943 static struct pcmcia_driver ray_driver = {
2944 .owner = THIS_MODULE,
2948 .attach = ray_attach,
2950 .detach = ray_detach,
2951 .id_table = ray_ids,
2954 static int __init init_ray_cs(void)
2958 DEBUG(1, "%s\n", rcsid);
2959 rc = pcmcia_register_driver(&ray_driver);
2960 DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",rc);
2962 #ifdef CONFIG_PROC_FS
2963 proc_mkdir("driver/ray_cs", NULL);
2965 create_proc_info_entry("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_read);
2966 raycs_write("driver/ray_cs/essid", write_essid, NULL);
2967 raycs_write("driver/ray_cs/net_type", write_int, &net_type);
2968 raycs_write("driver/ray_cs/translate", write_int, &translate);
2970 if (translate != 0) translate = 1;
2974 /*===========================================================================*/
2976 static void __exit exit_ray_cs(void)
2978 DEBUG(0, "ray_cs: cleanup_module\n");
2980 #ifdef CONFIG_PROC_FS
2981 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2982 remove_proc_entry("driver/ray_cs/essid", NULL);
2983 remove_proc_entry("driver/ray_cs/net_type", NULL);
2984 remove_proc_entry("driver/ray_cs/translate", NULL);
2985 remove_proc_entry("driver/ray_cs", NULL);
2988 pcmcia_unregister_driver(&ray_driver);
2989 BUG_ON(dev_list != NULL);
2992 module_init(init_ray_cs);
2993 module_exit(exit_ray_cs);
2995 /*===========================================================================*/