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 void ray_detach(struct pcmcia_device *p_dev);
97 /***** Prototypes indicated by device structure ******************************/
98 static int ray_dev_close(struct net_device *dev);
99 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
100 static struct net_device_stats *ray_get_stats(struct net_device *dev);
101 static int ray_dev_init(struct net_device *dev);
103 static struct ethtool_ops netdev_ethtool_ops;
105 static int ray_open(struct net_device *dev);
106 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev);
107 static void set_multicast_list(struct net_device *dev);
108 static void ray_update_multi_list(struct net_device *dev, int all);
109 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
110 unsigned char *data, int len);
111 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
112 unsigned char *data);
113 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
114 static iw_stats * ray_get_wireless_stats(struct net_device * dev);
115 static const struct iw_handler_def ray_handler_def;
117 /***** Prototypes for raylink functions **************************************/
118 static int asc_to_int(char a);
119 static void authenticate(ray_dev_t *local);
120 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
121 static void authenticate_timeout(u_long);
122 static int get_free_ccs(ray_dev_t *local);
123 static int get_free_tx_ccs(ray_dev_t *local);
124 static void init_startup_params(ray_dev_t *local);
125 static int parse_addr(char *in_str, UCHAR *out);
126 static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev, UCHAR type);
127 static int ray_init(struct net_device *dev);
128 static int interrupt_ecf(ray_dev_t *local, int ccs);
129 static void ray_reset(struct net_device *dev);
130 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
131 static void verify_dl_startup(u_long);
133 /* Prototypes for interrpt time functions **********************************/
134 static irqreturn_t ray_interrupt (int reg, void *dev_id, struct pt_regs *regs);
135 static void clear_interrupt(ray_dev_t *local);
136 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
137 unsigned int pkt_addr, int rx_len);
138 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
139 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
140 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
141 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
142 unsigned int pkt_addr, int rx_len);
143 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr,
145 static void associate(ray_dev_t *local);
147 /* Card command functions */
148 static int dl_startup_params(struct net_device *dev);
149 static void join_net(u_long local);
150 static void start_net(u_long local);
151 /* void start_net(ray_dev_t *local); */
153 /*===========================================================================*/
154 /* Parameters that can be set with 'insmod' */
156 /* ADHOC=0, Infrastructure=1 */
157 static int net_type = ADHOC;
159 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
160 static int hop_dwell = 128;
162 /* Beacon period in Kus */
163 static int beacon_period = 256;
165 /* power save mode (0 = off, 1 = save power) */
168 /* String for network's Extended Service Set ID. 32 Characters max */
171 /* Default to encapsulation unless translation requested */
172 static int translate = 1;
174 static int country = USA;
180 /* 48 bit physical card address if overriding card's real physical
181 * address is required. Since IEEE 802.11 addresses are 48 bits
182 * like ethernet, an int can't be used, so a string is used. To
183 * allow use of addresses starting with a decimal digit, the first
184 * character must be a letter and will be ignored. This letter is
185 * followed by up to 12 hex digits which are the address. If less
186 * than 12 digits are used, the address will be left filled with 0's.
187 * Note that bit 0 of the first byte is the broadcast bit, and evil
188 * things will happen if it is not 0 in a card address.
190 static char *phy_addr = NULL;
193 /* A linked list of "instances" of the ray device. Each actual
194 PCMCIA card corresponds to one device instance, and is described
195 by one dev_link_t structure (defined in ds.h).
197 static dev_link_t *dev_list = NULL;
199 /* A dev_link_t structure has fields for most things that are needed
200 to keep track of a socket, but there will usually be some device
201 specific information that also needs to be kept track of. The
202 'priv' pointer in a dev_link_t structure can be used to point to
203 a device-specific private data structure, like this.
205 static unsigned int ray_mem_speed = 500;
207 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
208 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
209 MODULE_LICENSE("GPL");
211 module_param(net_type, int, 0);
212 module_param(hop_dwell, int, 0);
213 module_param(beacon_period, int, 0);
214 module_param(psm, int, 0);
215 module_param(essid, charp, 0);
216 module_param(translate, int, 0);
217 module_param(country, int, 0);
218 module_param(sniffer, int, 0);
219 module_param(bc, int, 0);
220 module_param(phy_addr, charp, 0);
221 module_param(ray_mem_speed, int, 0);
223 static UCHAR b5_default_startup_parms[] = {
224 0, 0, /* Adhoc station */
225 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
226 0, 0, 0, 0, 0, 0, 0, 0,
227 0, 0, 0, 0, 0, 0, 0, 0,
228 0, 0, 0, 0, 0, 0, 0, 0,
229 1, 0, /* Active scan, CA Mode */
230 0, 0, 0, 0, 0, 0, /* No default MAC addr */
231 0x7f, 0xff, /* Frag threshold */
232 0x00, 0x80, /* Hop time 128 Kus*/
233 0x01, 0x00, /* Beacon period 256 Kus */
234 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
235 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
236 0x7f, 0xff, /* RTS threshold */
237 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
238 0x05, /* assoc resp timeout thresh */
239 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max*/
240 0, /* Promiscuous mode */
241 0x0c, 0x0bd, /* Unique word */
242 0x32, /* Slot time */
243 0xff, 0xff, /* roam-low snr, low snr count */
244 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
245 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
246 /* b4 - b5 differences start here */
247 0x00, 0x3f, /* CW max */
248 0x00, 0x0f, /* CW min */
249 0x04, 0x08, /* Noise gain, limit offset */
250 0x28, 0x28, /* det rssi, med busy offsets */
251 7, /* det sync thresh */
252 0, 2, 2, /* test mode, min, max */
253 0, /* allow broadcast SSID probe resp */
254 0, 0, /* privacy must start, can join */
255 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
258 static UCHAR b4_default_startup_parms[] = {
259 0, 0, /* Adhoc station */
260 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
261 0, 0, 0, 0, 0, 0, 0, 0,
262 0, 0, 0, 0, 0, 0, 0, 0,
263 0, 0, 0, 0, 0, 0, 0, 0,
264 1, 0, /* Active scan, CA Mode */
265 0, 0, 0, 0, 0, 0, /* No default MAC addr */
266 0x7f, 0xff, /* Frag threshold */
267 0x02, 0x00, /* Hop time */
268 0x00, 0x01, /* Beacon period */
269 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
270 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
271 0x7f, 0xff, /* RTS threshold */
272 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
273 0x05, /* assoc resp timeout thresh */
274 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max*/
275 0, /* Promiscuous mode */
276 0x0c, 0x0bd, /* Unique word */
277 0x4e, /* Slot time (TBD seems wrong)*/
278 0xff, 0xff, /* roam-low snr, low snr count */
279 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
280 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
281 /* b4 - b5 differences start here */
282 0x3f, 0x0f, /* CW max, min */
283 0x04, 0x08, /* Noise gain, limit offset */
284 0x28, 0x28, /* det rssi, med busy offsets */
285 7, /* det sync thresh */
286 0, 2, 2 /* test mode, min, max*/
288 /*===========================================================================*/
289 static unsigned char eth2_llc[] = {0xaa, 0xaa, 3, 0, 0, 0};
291 static char hop_pattern_length[] = { 1,
292 USA_HOP_MOD, EUROPE_HOP_MOD,
293 JAPAN_HOP_MOD, KOREA_HOP_MOD,
294 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
295 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
299 static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
301 /*=============================================================================
302 ray_attach() creates an "instance" of the driver, allocating
303 local data structures for one device. The device is registered
305 The dev_link structure is initialized, but we don't actually
306 configure the card at this point -- we wait until we receive a
307 card insertion event.
308 =============================================================================*/
309 static int ray_attach(struct pcmcia_device *p_dev)
313 struct net_device *dev;
315 DEBUG(1, "ray_attach()\n");
317 /* Initialize the dev_link_t structure */
318 link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
323 /* Allocate space for private device-specific data */
324 dev = alloc_etherdev(sizeof(ray_dev_t));
331 memset(link, 0, sizeof(struct dev_link_t));
333 /* The io structure describes IO port mapping. None used here */
334 link->io.NumPorts1 = 0;
335 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
336 link->io.IOAddrLines = 5;
338 /* Interrupt setup. For PCMCIA, driver takes what's given */
339 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
340 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
341 link->irq.Handler = &ray_interrupt;
343 /* General socket configuration */
344 link->conf.Attributes = CONF_ENABLE_IRQ;
346 link->conf.IntType = INT_MEMORY_AND_IO;
347 link->conf.ConfigIndex = 1;
348 link->conf.Present = PRESENT_OPTION;
351 link->irq.Instance = dev;
353 local->finder = link;
354 local->card_status = CARD_INSERTED;
355 local->authentication_state = UNAUTHENTICATED;
356 local->num_multi = 0;
357 DEBUG(2,"ray_attach link = %p, dev = %p, local = %p, intr = %p\n",
358 link,dev,local,&ray_interrupt);
360 /* Raylink entries in the device structure */
361 dev->hard_start_xmit = &ray_dev_start_xmit;
362 dev->set_config = &ray_dev_config;
363 dev->get_stats = &ray_get_stats;
364 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
365 dev->wireless_handlers = &ray_handler_def;
367 local->wireless_data.spy_data = &local->spy_data;
368 dev->wireless_data = &local->wireless_data;
369 #endif /* WIRELESS_SPY */
371 dev->set_multicast_list = &set_multicast_list;
373 DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n");
374 SET_MODULE_OWNER(dev);
375 dev->init = &ray_dev_init;
376 dev->open = &ray_open;
377 dev->stop = &ray_dev_close;
378 netif_stop_queue(dev);
380 init_timer(&local->timer);
382 link->handle = p_dev;
383 p_dev->instance = link;
385 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
394 /*=============================================================================
395 This deletes a driver "instance". The device is de-registered
396 with Card Services. If it has been released, all local data
397 structures are freed. Otherwise, the structures will be freed
398 when the device is released.
399 =============================================================================*/
400 static void ray_detach(struct pcmcia_device *p_dev)
402 dev_link_t *link = dev_to_instance(p_dev);
404 struct net_device *dev;
407 DEBUG(1, "ray_detach(0x%p)\n", link);
409 /* Locate device structure */
410 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
411 if (*linkp == link) break;
417 if (link->state & DEV_CONFIG) {
420 local = (ray_dev_t *)dev->priv;
421 del_timer(&local->timer);
424 /* Unlink device structure, free pieces */
427 if (link->dev) unregister_netdev(dev);
431 DEBUG(2,"ray_cs ray_detach ending\n");
433 /*=============================================================================
434 ray_config() is run after a CARD_INSERTION event
435 is received, to configure the PCMCIA socket, and to make the
436 ethernet device available to the system.
437 =============================================================================*/
438 #define CS_CHECK(fn, ret) \
439 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
440 #define MAX_TUPLE_SIZE 128
441 static void ray_config(dev_link_t *link)
443 client_handle_t handle = link->handle;
446 int last_fn = 0, last_ret = 0;
448 u_char buf[MAX_TUPLE_SIZE];
451 struct net_device *dev = (struct net_device *)link->priv;
452 ray_dev_t *local = (ray_dev_t *)dev->priv;
454 DEBUG(1, "ray_config(0x%p)\n", link);
456 /* This reads the card's CONFIG tuple to find its configuration regs */
457 tuple.DesiredTuple = CISTPL_CONFIG;
458 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
459 tuple.TupleData = buf;
460 tuple.TupleDataMax = MAX_TUPLE_SIZE;
461 tuple.TupleOffset = 0;
462 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
463 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
464 link->conf.ConfigBase = parse.config.base;
465 link->conf.Present = parse.config.rmask[0];
467 /* Determine card type and firmware version */
468 buf[0] = buf[MAX_TUPLE_SIZE - 1] = 0;
469 tuple.DesiredTuple = CISTPL_VERS_1;
470 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
471 tuple.TupleData = buf;
472 tuple.TupleDataMax = MAX_TUPLE_SIZE;
473 tuple.TupleOffset = 2;
474 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
476 for (i=0; i<tuple.TupleDataLen - 4; i++)
477 if (buf[i] == 0) buf[i] = ' ';
478 printk(KERN_INFO "ray_cs Detected: %s\n",buf);
481 link->state |= DEV_CONFIG;
483 /* Now allocate an interrupt line. Note that this does not
484 actually assign a handler to the interrupt.
486 CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
487 dev->irq = link->irq.AssignedIRQ;
489 /* This actually configures the PCMCIA socket -- setting up
490 the I/O windows and the interrupt mapping.
492 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
494 /*** Set up 32k window for shared memory (transmit and control) ************/
495 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
498 req.AccessSpeed = ray_mem_speed;
499 CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &link->win));
500 mem.CardOffset = 0x0000; mem.Page = 0;
501 CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
502 local->sram = ioremap(req.Base,req.Size);
504 /*** Set up 16k window for shared memory (receive buffer) ***************/
505 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
508 req.AccessSpeed = ray_mem_speed;
509 CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->rmem_handle));
510 mem.CardOffset = 0x8000; mem.Page = 0;
511 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem));
512 local->rmem = ioremap(req.Base,req.Size);
514 /*** Set up window for attribute memory ***********************************/
515 req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
518 req.AccessSpeed = ray_mem_speed;
519 CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->amem_handle));
520 mem.CardOffset = 0x0000; mem.Page = 0;
521 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem));
522 local->amem = ioremap(req.Base,req.Size);
524 DEBUG(3,"ray_config sram=%p\n",local->sram);
525 DEBUG(3,"ray_config rmem=%p\n",local->rmem);
526 DEBUG(3,"ray_config amem=%p\n",local->amem);
527 if (ray_init(dev) < 0) {
532 SET_NETDEV_DEV(dev, &handle_to_dev(handle));
533 i = register_netdev(dev);
535 printk("ray_config register_netdev() failed\n");
540 strcpy(local->node.dev_name, dev->name);
541 link->dev = &local->node;
543 link->state &= ~DEV_CONFIG_PENDING;
544 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ",
545 dev->name, dev->irq);
546 for (i = 0; i < 6; i++)
547 printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
552 cs_error(link->handle, last_fn, last_ret);
557 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
559 return dev->sram + CCS_BASE;
562 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
565 * This looks nonsensical, since there is a separate
566 * RCS_BASE. But the difference between a "struct rcs"
567 * and a "struct ccs" ends up being in the _index_ off
568 * the base, so the base pointer is the same for both
571 return dev->sram + CCS_BASE;
574 /*===========================================================================*/
575 static int ray_init(struct net_device *dev)
579 struct ccs __iomem *pccs;
580 ray_dev_t *local = (ray_dev_t *)dev->priv;
581 dev_link_t *link = local->finder;
582 DEBUG(1, "ray_init(0x%p)\n", dev);
583 if (!(link->state & DEV_PRESENT)) {
584 DEBUG(0,"ray_init - device not present\n");
588 local->net_type = net_type;
589 local->sta_type = TYPE_STA;
591 /* Copy the startup results to local memory */
592 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,\
593 sizeof(struct startup_res_6));
595 /* Check Power up test status and get mac address from card */
596 if (local->startup_res.startup_word != 0x80) {
597 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
598 local->startup_res.startup_word);
599 local->card_status = CARD_INIT_ERROR;
603 local->fw_ver = local->startup_res.firmware_version[0];
604 local->fw_bld = local->startup_res.firmware_version[1];
605 local->fw_var = local->startup_res.firmware_version[2];
606 DEBUG(1,"ray_init firmware version %d.%d \n",local->fw_ver, local->fw_bld);
608 local->tib_length = 0x20;
609 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
610 local->tib_length = local->startup_res.tib_length;
611 DEBUG(2,"ray_init tib_length = 0x%02x\n", local->tib_length);
612 /* Initialize CCS's to buffer free state */
613 pccs = ccs_base(local);
614 for (i=0; i<NUMBER_OF_CCS; i++) {
615 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
617 init_startup_params(local);
619 /* copy mac address to startup parameters */
620 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr))
622 p = local->sparm.b4.a_mac_addr;
626 memcpy(&local->sparm.b4.a_mac_addr,
627 &local->startup_res.station_addr, ADDRLEN);
628 p = local->sparm.b4.a_mac_addr;
631 clear_interrupt(local); /* Clear any interrupt from the card */
632 local->card_status = CARD_AWAITING_PARAM;
633 DEBUG(2,"ray_init ending\n");
636 /*===========================================================================*/
637 /* Download startup parameters to the card and command it to read them */
638 static int dl_startup_params(struct net_device *dev)
641 ray_dev_t *local = (ray_dev_t *)dev->priv;
642 struct ccs __iomem *pccs;
643 dev_link_t *link = local->finder;
645 DEBUG(1,"dl_startup_params entered\n");
646 if (!(link->state & DEV_PRESENT)) {
647 DEBUG(2,"ray_cs dl_startup_params - device not present\n");
651 /* Copy parameters to host to ECF area */
652 if (local->fw_ver == 0x55)
653 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
654 sizeof(struct b4_startup_params));
656 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
657 sizeof(struct b5_startup_params));
660 /* Fill in the CCS fields for the ECF */
661 if ((ccsindex = get_free_ccs(local)) < 0) return -1;
662 local->dl_param_ccs = ccsindex;
663 pccs = ccs_base(local) + ccsindex;
664 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
665 DEBUG(2,"dl_startup_params start ccsindex = %d\n", local->dl_param_ccs);
666 /* Interrupt the firmware to process the command */
667 if (interrupt_ecf(local, ccsindex)) {
668 printk(KERN_INFO "ray dl_startup_params failed - "
669 "ECF not ready for intr\n");
670 local->card_status = CARD_DL_PARAM_ERROR;
671 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
674 local->card_status = CARD_DL_PARAM;
675 /* Start kernel timer to wait for dl startup to complete. */
676 local->timer.expires = jiffies + HZ/2;
677 local->timer.data = (long)local;
678 local->timer.function = &verify_dl_startup;
679 add_timer(&local->timer);
680 DEBUG(2,"ray_cs dl_startup_params started timer for verify_dl_startup\n");
682 } /* dl_startup_params */
683 /*===========================================================================*/
684 static void init_startup_params(ray_dev_t *local)
688 if (country > JAPAN_TEST) country = USA;
690 if (country < USA) country = USA;
691 /* structure for hop time and beacon period is defined here using
692 * New 802.11D6.1 format. Card firmware is still using old format
695 * a_hop_time ms byte a_hop_time ms byte
696 * a_hop_time 2s byte a_hop_time ls byte
697 * a_hop_time ls byte a_beacon_period ms byte
698 * a_beacon_period a_beacon_period ls byte
700 * a_hop_time = uS a_hop_time = KuS
701 * a_beacon_period = hops a_beacon_period = KuS
702 */ /* 64ms = 010000 */
703 if (local->fw_ver == 0x55) {
704 memcpy((UCHAR *)&local->sparm.b4, b4_default_startup_parms,
705 sizeof(struct b4_startup_params));
706 /* Translate sane kus input values to old build 4/5 format */
707 /* i = hop time in uS truncated to 3 bytes */
708 i = (hop_dwell * 1024) & 0xffffff;
709 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
710 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
711 local->sparm.b4.a_beacon_period[0] = 0;
712 local->sparm.b4.a_beacon_period[1] =
713 ((beacon_period/hop_dwell) - 1) & 0xff;
714 local->sparm.b4.a_curr_country_code = country;
715 local->sparm.b4.a_hop_pattern_length =
716 hop_pattern_length[(int)country] - 1;
719 local->sparm.b4.a_ack_timeout = 0x50;
720 local->sparm.b4.a_sifs = 0x3f;
723 else { /* Version 5 uses real kus values */
724 memcpy((UCHAR *)&local->sparm.b5, b5_default_startup_parms,
725 sizeof(struct b5_startup_params));
727 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
728 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
729 local->sparm.b5.a_beacon_period[0] = (beacon_period >> 8) & 0xff;
730 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
732 local->sparm.b5.a_power_mgt_state = 1;
733 local->sparm.b5.a_curr_country_code = country;
734 local->sparm.b5.a_hop_pattern_length =
735 hop_pattern_length[(int)country];
738 local->sparm.b4.a_network_type = net_type & 0x01;
739 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
742 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
743 } /* init_startup_params */
744 /*===========================================================================*/
745 static void verify_dl_startup(u_long data)
747 ray_dev_t *local = (ray_dev_t *)data;
748 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
750 dev_link_t *link = local->finder;
752 if (!(link->state & DEV_PRESENT)) {
753 DEBUG(2,"ray_cs verify_dl_startup - device not present\n");
759 printk(KERN_DEBUG "verify_dl_startup parameters sent via ccs %d:\n",
760 local->dl_param_ccs);
761 for (i=0; i<sizeof(struct b5_startup_params); i++) {
762 printk(" %2x", (unsigned int) readb(local->sram + HOST_TO_ECF_BASE + i));
768 status = readb(&pccs->buffer_status);
769 if (status!= CCS_BUFFER_FREE)
771 printk(KERN_INFO "Download startup params failed. Status = %d\n",
773 local->card_status = CARD_DL_PARAM_ERROR;
776 if (local->sparm.b4.a_network_type == ADHOC)
777 start_net((u_long)local);
779 join_net((u_long)local);
782 } /* end verify_dl_startup */
783 /*===========================================================================*/
784 /* Command card to start a network */
785 static void start_net(u_long data)
787 ray_dev_t *local = (ray_dev_t *)data;
788 struct ccs __iomem *pccs;
790 dev_link_t *link = local->finder;
791 if (!(link->state & DEV_PRESENT)) {
792 DEBUG(2,"ray_cs start_net - device not present\n");
795 /* Fill in the CCS fields for the ECF */
796 if ((ccsindex = get_free_ccs(local)) < 0) return;
797 pccs = ccs_base(local) + ccsindex;
798 writeb(CCS_START_NETWORK, &pccs->cmd);
799 writeb(0, &pccs->var.start_network.update_param);
800 /* Interrupt the firmware to process the command */
801 if (interrupt_ecf(local, ccsindex)) {
802 DEBUG(1,"ray start net failed - card not ready for intr\n");
803 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
806 local->card_status = CARD_DOING_ACQ;
808 } /* end start_net */
809 /*===========================================================================*/
810 /* Command card to join a network */
811 static void join_net(u_long data)
813 ray_dev_t *local = (ray_dev_t *)data;
815 struct ccs __iomem *pccs;
817 dev_link_t *link = local->finder;
819 if (!(link->state & DEV_PRESENT)) {
820 DEBUG(2,"ray_cs join_net - device not present\n");
823 /* Fill in the CCS fields for the ECF */
824 if ((ccsindex = get_free_ccs(local)) < 0) return;
825 pccs = ccs_base(local) + ccsindex;
826 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
827 writeb(0, &pccs->var.join_network.update_param);
828 writeb(0, &pccs->var.join_network.net_initiated);
829 /* Interrupt the firmware to process the command */
830 if (interrupt_ecf(local, ccsindex)) {
831 DEBUG(1,"ray join net failed - card not ready for intr\n");
832 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
835 local->card_status = CARD_DOING_ACQ;
838 /*============================================================================
839 After a card is removed, ray_release() will unregister the net
840 device, and release the PCMCIA configuration. If the device is
841 still open, this will be postponed until it is closed.
842 =============================================================================*/
843 static void ray_release(dev_link_t *link)
845 struct net_device *dev = link->priv;
846 ray_dev_t *local = dev->priv;
849 DEBUG(1, "ray_release(0x%p)\n", link);
851 del_timer(&local->timer);
853 iounmap(local->sram);
854 iounmap(local->rmem);
855 iounmap(local->amem);
856 /* Do bother checking to see if these succeed or not */
857 i = pcmcia_release_window(local->amem_handle);
858 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i);
859 i = pcmcia_release_window(local->rmem_handle);
860 if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i);
861 pcmcia_disable_device(link->handle);
863 DEBUG(2,"ray_release ending\n");
866 static int ray_suspend(struct pcmcia_device *p_dev)
868 dev_link_t *link = dev_to_instance(p_dev);
869 struct net_device *dev = link->priv;
871 if ((link->state & DEV_CONFIG) && (link->open))
872 netif_device_detach(dev);
877 static int ray_resume(struct pcmcia_device *p_dev)
879 dev_link_t *link = dev_to_instance(p_dev);
880 struct net_device *dev = link->priv;
882 if ((link->state & DEV_CONFIG) && (link->open)) {
884 netif_device_attach(dev);
890 /*===========================================================================*/
891 int ray_dev_init(struct net_device *dev)
893 #ifdef RAY_IMMEDIATE_INIT
895 #endif /* RAY_IMMEDIATE_INIT */
896 ray_dev_t *local = dev->priv;
897 dev_link_t *link = local->finder;
899 DEBUG(1,"ray_dev_init(dev=%p)\n",dev);
900 if (!(link->state & DEV_PRESENT)) {
901 DEBUG(2,"ray_dev_init - device not present\n");
904 #ifdef RAY_IMMEDIATE_INIT
905 /* Download startup parameters */
906 if ( (i = dl_startup_params(dev)) < 0)
908 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
912 #else /* RAY_IMMEDIATE_INIT */
913 /* Postpone the card init so that we can still configure the card,
914 * for example using the Wireless Extensions. The init will happen
915 * in ray_open() - Jean II */
916 DEBUG(1,"ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
918 #endif /* RAY_IMMEDIATE_INIT */
920 /* copy mac and broadcast addresses to linux device */
921 memcpy(&dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
922 memset(dev->broadcast, 0xff, ETH_ALEN);
924 DEBUG(2,"ray_dev_init ending\n");
927 /*===========================================================================*/
928 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
930 ray_dev_t *local = dev->priv;
931 dev_link_t *link = local->finder;
932 /* Dummy routine to satisfy device structure */
933 DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev,map);
934 if (!(link->state & DEV_PRESENT)) {
935 DEBUG(2,"ray_dev_config - device not present\n");
941 /*===========================================================================*/
942 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev)
944 ray_dev_t *local = dev->priv;
945 dev_link_t *link = local->finder;
946 short length = skb->len;
948 if (!(link->state & DEV_PRESENT)) {
949 DEBUG(2,"ray_dev_start_xmit - device not present\n");
952 DEBUG(3,"ray_dev_start_xmit(skb=%p, dev=%p)\n",skb,dev);
953 if (local->authentication_state == NEED_TO_AUTH) {
954 DEBUG(0,"ray_cs Sending authentication request.\n");
955 if (!build_auth_frame (local, local->auth_id, OPEN_AUTH_REQUEST)) {
956 local->authentication_state = AUTHENTICATED;
957 netif_stop_queue(dev);
962 if (length < ETH_ZLEN)
964 skb = skb_padto(skb, ETH_ZLEN);
969 switch (ray_hw_xmit( skb->data, length, dev, DATA_TYPE)) {
972 netif_stop_queue(dev);
978 dev->trans_start = jiffies;
983 } /* ray_dev_start_xmit */
984 /*===========================================================================*/
985 static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev,
988 ray_dev_t *local = (ray_dev_t *)dev->priv;
989 struct ccs __iomem *pccs;
992 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
993 short int addr; /* Address of xmit buffer in card space */
995 DEBUG(3,"ray_hw_xmit(data=%p, len=%d, dev=%p)\n",data,len,dev);
996 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE)
998 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",len);
1001 switch (ccsindex = get_free_tx_ccs(local)) {
1003 DEBUG(2,"ray_hw_xmit tx_ccs table busy\n");
1005 DEBUG(2,"ray_hw_xmit No free tx ccs\n");
1007 netif_stop_queue(dev);
1012 addr = TX_BUF_BASE + (ccsindex << 11);
1014 if (msg_type == DATA_TYPE) {
1015 local->stats.tx_bytes += len;
1016 local->stats.tx_packets++;
1019 ptx = local->sram + addr;
1021 ray_build_header(local, ptx, msg_type, data);
1023 offset = translate_frame(local, ptx, data, len);
1025 else { /* Encapsulate frame */
1026 /* TBD TIB length will move address of ptx->var */
1027 memcpy_toio(&ptx->var, data, len);
1031 /* fill in the CCS */
1032 pccs = ccs_base(local) + ccsindex;
1033 len += TX_HEADER_LENGTH + offset;
1034 writeb(CCS_TX_REQUEST, &pccs->cmd);
1035 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
1036 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
1037 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
1038 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
1039 /* TBD still need psm_cam? */
1040 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
1041 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
1042 writeb(0, &pccs->var.tx_request.antenna);
1043 DEBUG(3,"ray_hw_xmit default_tx_rate = 0x%x\n",\
1044 local->net_default_tx_rate);
1046 /* Interrupt the firmware to process the command */
1047 if (interrupt_ecf(local, ccsindex)) {
1048 DEBUG(2,"ray_hw_xmit failed - ECF not ready for intr\n");
1049 /* TBD very inefficient to copy packet to buffer, and then not
1050 send it, but the alternative is to queue the messages and that
1051 won't be done for a while. Maybe set tbusy until a CCS is free?
1053 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1054 return XMIT_NO_INTR;
1057 } /* end ray_hw_xmit */
1058 /*===========================================================================*/
1059 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, unsigned char *data,
1062 unsigned short int proto = ((struct ethhdr *)data)->h_proto;
1063 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1064 DEBUG(3,"ray_cs translate_frame DIX II\n");
1065 /* Copy LLC header to card buffer */
1066 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1067 memcpy_toio( ((void __iomem *)&ptx->var) + sizeof(eth2_llc), (UCHAR *)&proto, 2);
1068 if ((proto == 0xf380) || (proto == 0x3781)) {
1069 /* This is the selective translation table, only 2 entries */
1070 writeb(0xf8, &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1072 /* Copy body of ethernet packet without ethernet header */
1073 memcpy_toio((void __iomem *)&ptx->var + sizeof(struct snaphdr_t), \
1074 data + ETH_HLEN, len - ETH_HLEN);
1075 return (int) sizeof(struct snaphdr_t) - ETH_HLEN;
1077 else { /* already 802 type, and proto is length */
1078 DEBUG(3,"ray_cs translate_frame 802\n");
1079 if (proto == 0xffff) { /* evil netware IPX 802.3 without LLC */
1080 DEBUG(3,"ray_cs translate_frame evil IPX\n");
1081 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1082 return 0 - ETH_HLEN;
1084 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1085 return 0 - ETH_HLEN;
1087 /* TBD do other frame types */
1088 } /* end translate_frame */
1089 /*===========================================================================*/
1090 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
1091 unsigned char *data)
1093 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1094 /*** IEEE 802.11 Address field assignments *************
1095 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1096 Adhoc 0 0 dest src (terminal) BSSID N/A
1097 AP to Terminal 0 1 dest AP(BSSID) source N/A
1098 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1099 AP to AP 1 1 dest AP src AP dest source
1100 *******************************************************/
1101 if (local->net_type == ADHOC) {
1102 writeb(0, &ptx->mac.frame_ctl_2);
1103 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, 2 * ADDRLEN);
1104 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1106 else /* infrastructure */
1108 if (local->sparm.b4.a_acting_as_ap_status)
1110 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1111 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, ADDRLEN);
1112 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1113 memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_source, ADDRLEN);
1117 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1118 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1119 memcpy_toio(ptx->mac.addr_2, ((struct ethhdr *)data)->h_source, ADDRLEN);
1120 memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_dest, ADDRLEN);
1123 } /* end encapsulate_frame */
1126 /*===========================================================================*/
1128 static void netdev_get_drvinfo(struct net_device *dev,
1129 struct ethtool_drvinfo *info)
1131 strcpy(info->driver, "ray_cs");
1134 static struct ethtool_ops netdev_ethtool_ops = {
1135 .get_drvinfo = netdev_get_drvinfo,
1138 /*====================================================================*/
1140 /*------------------------------------------------------------------*/
1142 * Wireless Handler : get protocol name
1144 static int ray_get_name(struct net_device *dev,
1145 struct iw_request_info *info,
1149 strcpy(cwrq, "IEEE 802.11-FH");
1153 /*------------------------------------------------------------------*/
1155 * Wireless Handler : set frequency
1157 static int ray_set_freq(struct net_device *dev,
1158 struct iw_request_info *info,
1159 struct iw_freq *fwrq,
1162 ray_dev_t *local = (ray_dev_t *)dev->priv;
1163 int err = -EINPROGRESS; /* Call commit handler */
1165 /* Reject if card is already initialised */
1166 if(local->card_status != CARD_AWAITING_PARAM)
1169 /* Setting by channel number */
1170 if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
1173 local->sparm.b5.a_hop_pattern = fwrq->m;
1178 /*------------------------------------------------------------------*/
1180 * Wireless Handler : get frequency
1182 static int ray_get_freq(struct net_device *dev,
1183 struct iw_request_info *info,
1184 struct iw_freq *fwrq,
1187 ray_dev_t *local = (ray_dev_t *)dev->priv;
1189 fwrq->m = local->sparm.b5.a_hop_pattern;
1194 /*------------------------------------------------------------------*/
1196 * Wireless Handler : set ESSID
1198 static int ray_set_essid(struct net_device *dev,
1199 struct iw_request_info *info,
1200 struct iw_point *dwrq,
1203 ray_dev_t *local = (ray_dev_t *)dev->priv;
1205 /* Reject if card is already initialised */
1206 if(local->card_status != CARD_AWAITING_PARAM)
1209 /* Check if we asked for `any' */
1210 if(dwrq->flags == 0) {
1211 /* Corey : can you do that ? */
1214 /* Check the size of the string */
1215 if(dwrq->length > IW_ESSID_MAX_SIZE + 1) {
1219 /* Set the ESSID in the card */
1220 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1221 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
1224 return -EINPROGRESS; /* Call commit handler */
1227 /*------------------------------------------------------------------*/
1229 * Wireless Handler : get ESSID
1231 static int ray_get_essid(struct net_device *dev,
1232 struct iw_request_info *info,
1233 struct iw_point *dwrq,
1236 ray_dev_t *local = (ray_dev_t *)dev->priv;
1238 /* Get the essid that was set */
1239 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1240 extra[IW_ESSID_MAX_SIZE] = '\0';
1243 dwrq->length = strlen(extra);
1244 dwrq->flags = 1; /* active */
1249 /*------------------------------------------------------------------*/
1251 * Wireless Handler : get AP address
1253 static int ray_get_wap(struct net_device *dev,
1254 struct iw_request_info *info,
1255 struct sockaddr *awrq,
1258 ray_dev_t *local = (ray_dev_t *)dev->priv;
1260 memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
1261 awrq->sa_family = ARPHRD_ETHER;
1266 /*------------------------------------------------------------------*/
1268 * Wireless Handler : set Bit-Rate
1270 static int ray_set_rate(struct net_device *dev,
1271 struct iw_request_info *info,
1272 struct iw_param *vwrq,
1275 ray_dev_t *local = (ray_dev_t *)dev->priv;
1277 /* Reject if card is already initialised */
1278 if(local->card_status != CARD_AWAITING_PARAM)
1281 /* Check if rate is in range */
1282 if((vwrq->value != 1000000) && (vwrq->value != 2000000))
1285 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1286 if((local->fw_ver == 0x55) && /* Please check */
1287 (vwrq->value == 2000000))
1288 local->net_default_tx_rate = 3;
1290 local->net_default_tx_rate = vwrq->value/500000;
1295 /*------------------------------------------------------------------*/
1297 * Wireless Handler : get Bit-Rate
1299 static int ray_get_rate(struct net_device *dev,
1300 struct iw_request_info *info,
1301 struct iw_param *vwrq,
1304 ray_dev_t *local = (ray_dev_t *)dev->priv;
1306 if(local->net_default_tx_rate == 3)
1307 vwrq->value = 2000000; /* Hum... */
1309 vwrq->value = local->net_default_tx_rate * 500000;
1310 vwrq->fixed = 0; /* We are in auto mode */
1315 /*------------------------------------------------------------------*/
1317 * Wireless Handler : set RTS threshold
1319 static int ray_set_rts(struct net_device *dev,
1320 struct iw_request_info *info,
1321 struct iw_param *vwrq,
1324 ray_dev_t *local = (ray_dev_t *)dev->priv;
1325 int rthr = vwrq->value;
1327 /* Reject if card is already initialised */
1328 if(local->card_status != CARD_AWAITING_PARAM)
1331 /* if(wrq->u.rts.fixed == 0) we should complain */
1335 if((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1338 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1339 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1341 return -EINPROGRESS; /* Call commit handler */
1345 /*------------------------------------------------------------------*/
1347 * Wireless Handler : get RTS threshold
1349 static int ray_get_rts(struct net_device *dev,
1350 struct iw_request_info *info,
1351 struct iw_param *vwrq,
1354 ray_dev_t *local = (ray_dev_t *)dev->priv;
1356 vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
1357 + local->sparm.b5.a_rts_threshold[1];
1358 vwrq->disabled = (vwrq->value == 32767);
1364 /*------------------------------------------------------------------*/
1366 * Wireless Handler : set Fragmentation threshold
1368 static int ray_set_frag(struct net_device *dev,
1369 struct iw_request_info *info,
1370 struct iw_param *vwrq,
1373 ray_dev_t *local = (ray_dev_t *)dev->priv;
1374 int fthr = vwrq->value;
1376 /* Reject if card is already initialised */
1377 if(local->card_status != CARD_AWAITING_PARAM)
1380 /* if(wrq->u.frag.fixed == 0) should complain */
1384 if((fthr < 256) || (fthr > 2347)) /* To check out ! */
1387 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1388 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1390 return -EINPROGRESS; /* Call commit handler */
1393 /*------------------------------------------------------------------*/
1395 * Wireless Handler : get Fragmentation threshold
1397 static int ray_get_frag(struct net_device *dev,
1398 struct iw_request_info *info,
1399 struct iw_param *vwrq,
1402 ray_dev_t *local = (ray_dev_t *)dev->priv;
1404 vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
1405 + local->sparm.b5.a_frag_threshold[1];
1406 vwrq->disabled = (vwrq->value == 32767);
1412 /*------------------------------------------------------------------*/
1414 * Wireless Handler : set Mode of Operation
1416 static int ray_set_mode(struct net_device *dev,
1417 struct iw_request_info *info,
1421 ray_dev_t *local = (ray_dev_t *)dev->priv;
1422 int err = -EINPROGRESS; /* Call commit handler */
1425 /* Reject if card is already initialised */
1426 if(local->card_status != CARD_AWAITING_PARAM)
1435 local->sparm.b5.a_network_type = card_mode;
1444 /*------------------------------------------------------------------*/
1446 * Wireless Handler : get Mode of Operation
1448 static int ray_get_mode(struct net_device *dev,
1449 struct iw_request_info *info,
1453 ray_dev_t *local = (ray_dev_t *)dev->priv;
1455 if(local->sparm.b5.a_network_type)
1456 *uwrq = IW_MODE_INFRA;
1458 *uwrq = IW_MODE_ADHOC;
1463 /*------------------------------------------------------------------*/
1465 * Wireless Handler : get range info
1467 static int ray_get_range(struct net_device *dev,
1468 struct iw_request_info *info,
1469 struct iw_point *dwrq,
1472 struct iw_range *range = (struct iw_range *) extra;
1474 memset((char *) range, 0, sizeof(struct iw_range));
1476 /* Set the length (very important for backward compatibility) */
1477 dwrq->length = sizeof(struct iw_range);
1479 /* Set the Wireless Extension versions */
1480 range->we_version_compiled = WIRELESS_EXT;
1481 range->we_version_source = 9;
1483 /* Set information in the range struct */
1484 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1485 range->num_channels = hop_pattern_length[(int)country];
1486 range->num_frequency = 0;
1487 range->max_qual.qual = 0;
1488 range->max_qual.level = 255; /* What's the correct value ? */
1489 range->max_qual.noise = 255; /* Idem */
1490 range->num_bitrates = 2;
1491 range->bitrate[0] = 1000000; /* 1 Mb/s */
1492 range->bitrate[1] = 2000000; /* 2 Mb/s */
1496 /*------------------------------------------------------------------*/
1498 * Wireless Private Handler : set framing mode
1500 static int ray_set_framing(struct net_device *dev,
1501 struct iw_request_info *info,
1502 union iwreq_data *wrqu,
1505 translate = *(extra); /* Set framing mode */
1510 /*------------------------------------------------------------------*/
1512 * Wireless Private Handler : get framing mode
1514 static int ray_get_framing(struct net_device *dev,
1515 struct iw_request_info *info,
1516 union iwreq_data *wrqu,
1519 *(extra) = translate;
1524 /*------------------------------------------------------------------*/
1526 * Wireless Private Handler : get country
1528 static int ray_get_country(struct net_device *dev,
1529 struct iw_request_info *info,
1530 union iwreq_data *wrqu,
1538 /*------------------------------------------------------------------*/
1540 * Commit handler : called after a bunch of SET operations
1542 static int ray_commit(struct net_device *dev,
1543 struct iw_request_info *info, /* NULL */
1544 void *zwrq, /* NULL */
1545 char *extra) /* NULL */
1550 /*------------------------------------------------------------------*/
1552 * Stats handler : return Wireless Stats
1554 static iw_stats * ray_get_wireless_stats(struct net_device * dev)
1556 ray_dev_t * local = (ray_dev_t *) dev->priv;
1557 dev_link_t *link = local->finder;
1558 struct status __iomem *p = local->sram + STATUS_BASE;
1560 if(local == (ray_dev_t *) NULL)
1561 return (iw_stats *) NULL;
1563 local->wstats.status = local->card_status;
1565 if((local->spy_data.spy_number > 0) && (local->sparm.b5.a_network_type == 0))
1567 /* Get it from the first node in spy list */
1568 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1569 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1570 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1571 local->wstats.qual.updated = local->spy_data.spy_stat[0].updated;
1573 #endif /* WIRELESS_SPY */
1575 if((link->state & DEV_PRESENT)) {
1576 local->wstats.qual.noise = readb(&p->rxnoise);
1577 local->wstats.qual.updated |= 4;
1580 return &local->wstats;
1581 } /* end ray_get_wireless_stats */
1583 /*------------------------------------------------------------------*/
1585 * Structures to export the Wireless Handlers
1588 static const iw_handler ray_handler[] = {
1589 [SIOCSIWCOMMIT-SIOCIWFIRST] = (iw_handler) ray_commit,
1590 [SIOCGIWNAME -SIOCIWFIRST] = (iw_handler) ray_get_name,
1591 [SIOCSIWFREQ -SIOCIWFIRST] = (iw_handler) ray_set_freq,
1592 [SIOCGIWFREQ -SIOCIWFIRST] = (iw_handler) ray_get_freq,
1593 [SIOCSIWMODE -SIOCIWFIRST] = (iw_handler) ray_set_mode,
1594 [SIOCGIWMODE -SIOCIWFIRST] = (iw_handler) ray_get_mode,
1595 [SIOCGIWRANGE -SIOCIWFIRST] = (iw_handler) ray_get_range,
1597 [SIOCSIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
1598 [SIOCGIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
1599 [SIOCSIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
1600 [SIOCGIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
1601 #endif /* WIRELESS_SPY */
1602 [SIOCGIWAP -SIOCIWFIRST] = (iw_handler) ray_get_wap,
1603 [SIOCSIWESSID -SIOCIWFIRST] = (iw_handler) ray_set_essid,
1604 [SIOCGIWESSID -SIOCIWFIRST] = (iw_handler) ray_get_essid,
1605 [SIOCSIWRATE -SIOCIWFIRST] = (iw_handler) ray_set_rate,
1606 [SIOCGIWRATE -SIOCIWFIRST] = (iw_handler) ray_get_rate,
1607 [SIOCSIWRTS -SIOCIWFIRST] = (iw_handler) ray_set_rts,
1608 [SIOCGIWRTS -SIOCIWFIRST] = (iw_handler) ray_get_rts,
1609 [SIOCSIWFRAG -SIOCIWFIRST] = (iw_handler) ray_set_frag,
1610 [SIOCGIWFRAG -SIOCIWFIRST] = (iw_handler) ray_get_frag,
1613 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1614 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1615 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1617 static const iw_handler ray_private_handler[] = {
1618 [0] = (iw_handler) ray_set_framing,
1619 [1] = (iw_handler) ray_get_framing,
1620 [3] = (iw_handler) ray_get_country,
1623 static const struct iw_priv_args ray_private_args[] = {
1624 /* cmd, set_args, get_args, name */
1625 { SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "set_framing" },
1626 { SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_framing" },
1627 { SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_country" },
1630 static const struct iw_handler_def ray_handler_def =
1632 .num_standard = sizeof(ray_handler)/sizeof(iw_handler),
1633 .num_private = sizeof(ray_private_handler)/sizeof(iw_handler),
1634 .num_private_args = sizeof(ray_private_args)/sizeof(struct iw_priv_args),
1635 .standard = ray_handler,
1636 .private = ray_private_handler,
1637 .private_args = ray_private_args,
1638 .get_wireless_stats = ray_get_wireless_stats,
1641 /*===========================================================================*/
1642 static int ray_open(struct net_device *dev)
1645 ray_dev_t *local = (ray_dev_t *)dev->priv;
1647 DEBUG(1, "ray_open('%s')\n", dev->name);
1649 for (link = dev_list; link; link = link->next)
1650 if (link->priv == dev) break;
1651 if (!DEV_OK(link)) {
1655 if (link->open == 0) local->num_multi = 0;
1658 /* If the card is not started, time to start it ! - Jean II */
1659 if(local->card_status == CARD_AWAITING_PARAM) {
1662 DEBUG(1,"ray_open: doing init now !\n");
1664 /* Download startup parameters */
1665 if ( (i = dl_startup_params(dev)) < 0)
1667 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
1668 "returns 0x%x\n",i);
1673 if (sniffer) netif_stop_queue(dev);
1674 else netif_start_queue(dev);
1676 DEBUG(2,"ray_open ending\n");
1678 } /* end ray_open */
1679 /*===========================================================================*/
1680 static int ray_dev_close(struct net_device *dev)
1684 DEBUG(1, "ray_dev_close('%s')\n", dev->name);
1686 for (link = dev_list; link; link = link->next)
1687 if (link->priv == dev) break;
1692 netif_stop_queue(dev);
1694 /* In here, we should stop the hardware (stop card from beeing active)
1695 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1696 * card is closed we can chage its configuration.
1697 * Probably also need a COR reset to get sane state - Jean II */
1700 } /* end ray_dev_close */
1701 /*===========================================================================*/
1702 static void ray_reset(struct net_device *dev) {
1703 DEBUG(1,"ray_reset entered\n");
1706 /*===========================================================================*/
1707 /* Cause a firmware interrupt if it is ready for one */
1708 /* Return nonzero if not ready */
1709 static int interrupt_ecf(ray_dev_t *local, int ccs)
1712 dev_link_t *link = local->finder;
1714 if (!(link->state & DEV_PRESENT)) {
1715 DEBUG(2,"ray_cs interrupt_ecf - device not present\n");
1718 DEBUG(2,"interrupt_ecf(local=%p, ccs = 0x%x\n",local,ccs);
1721 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & ECF_INTR_SET))
1724 DEBUG(2,"ray_cs interrupt_ecf card not ready for interrupt\n");
1727 /* Fill the mailbox, then kick the card */
1728 writeb(ccs, local->sram + SCB_BASE);
1729 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1731 } /* interrupt_ecf */
1732 /*===========================================================================*/
1733 /* Get next free transmit CCS */
1734 /* Return - index of current tx ccs */
1735 static int get_free_tx_ccs(ray_dev_t *local)
1738 struct ccs __iomem *pccs = ccs_base(local);
1739 dev_link_t *link = local->finder;
1741 if (!(link->state & DEV_PRESENT)) {
1742 DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n");
1746 if (test_and_set_bit(0,&local->tx_ccs_lock)) {
1747 DEBUG(1,"ray_cs tx_ccs_lock busy\n");
1751 for (i=0; i < NUMBER_OF_TX_CCS; i++) {
1752 if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
1753 writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
1754 writeb(CCS_END_LIST, &(pccs+i)->link);
1755 local->tx_ccs_lock = 0;
1759 local->tx_ccs_lock = 0;
1760 DEBUG(2,"ray_cs ERROR no free tx CCS for raylink card\n");
1762 } /* get_free_tx_ccs */
1763 /*===========================================================================*/
1764 /* Get next free CCS */
1765 /* Return - index of current ccs */
1766 static int get_free_ccs(ray_dev_t *local)
1769 struct ccs __iomem *pccs = ccs_base(local);
1770 dev_link_t *link = local->finder;
1772 if (!(link->state & DEV_PRESENT)) {
1773 DEBUG(2,"ray_cs get_free_ccs - device not present\n");
1776 if (test_and_set_bit(0,&local->ccs_lock)) {
1777 DEBUG(1,"ray_cs ccs_lock busy\n");
1781 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1782 if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
1783 writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
1784 writeb(CCS_END_LIST, &(pccs+i)->link);
1785 local->ccs_lock = 0;
1789 local->ccs_lock = 0;
1790 DEBUG(1,"ray_cs ERROR no free CCS for raylink card\n");
1792 } /* get_free_ccs */
1793 /*===========================================================================*/
1794 static void authenticate_timeout(u_long data)
1796 ray_dev_t *local = (ray_dev_t *)data;
1797 del_timer(&local->timer);
1798 printk(KERN_INFO "ray_cs Authentication with access point failed"
1800 join_net((u_long)local);
1802 /*===========================================================================*/
1803 static int asc_to_int(char a)
1805 if (a < '0') return -1;
1806 if (a <= '9') return (a - '0');
1807 if (a < 'A') return -1;
1808 if (a <= 'F') return (10 + a - 'A');
1809 if (a < 'a') return -1;
1810 if (a <= 'f') return (10 + a - 'a');
1813 /*===========================================================================*/
1814 static int parse_addr(char *in_str, UCHAR *out)
1820 if (in_str == NULL) return 0;
1821 if ((len = strlen(in_str)) < 2) return 0;
1822 memset(out, 0, ADDRLEN);
1831 if ((k = asc_to_int(in_str[j--])) != -1) out[i] = k;
1835 if ((k = asc_to_int(in_str[j--])) != -1) out[i] += k << 4;
1841 /*===========================================================================*/
1842 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1844 ray_dev_t *local = (ray_dev_t *)dev->priv;
1845 dev_link_t *link = local->finder;
1846 struct status __iomem *p = local->sram + STATUS_BASE;
1847 if (!(link->state & DEV_PRESENT)) {
1848 DEBUG(2,"ray_cs net_device_stats - device not present\n");
1849 return &local->stats;
1851 if (readb(&p->mrx_overflow_for_host))
1853 local->stats.rx_over_errors += ntohs(readb(&p->mrx_overflow));
1854 writeb(0,&p->mrx_overflow);
1855 writeb(0,&p->mrx_overflow_for_host);
1857 if (readb(&p->mrx_checksum_error_for_host))
1859 local->stats.rx_crc_errors += ntohs(readb(&p->mrx_checksum_error));
1860 writeb(0,&p->mrx_checksum_error);
1861 writeb(0,&p->mrx_checksum_error_for_host);
1863 if (readb(&p->rx_hec_error_for_host))
1865 local->stats.rx_frame_errors += ntohs(readb(&p->rx_hec_error));
1866 writeb(0,&p->rx_hec_error);
1867 writeb(0,&p->rx_hec_error_for_host);
1869 return &local->stats;
1871 /*===========================================================================*/
1872 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len)
1874 ray_dev_t *local = (ray_dev_t *)dev->priv;
1875 dev_link_t *link = local->finder;
1878 struct ccs __iomem *pccs;
1880 if (!(link->state & DEV_PRESENT)) {
1881 DEBUG(2,"ray_update_parm - device not present\n");
1885 if ((ccsindex = get_free_ccs(local)) < 0)
1887 DEBUG(0,"ray_update_parm - No free ccs\n");
1890 pccs = ccs_base(local) + ccsindex;
1891 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1892 writeb(objid, &pccs->var.update_param.object_id);
1893 writeb(1, &pccs->var.update_param.number_objects);
1894 writeb(0, &pccs->var.update_param.failure_cause);
1895 for (i=0; i<len; i++) {
1896 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1898 /* Interrupt the firmware to process the command */
1899 if (interrupt_ecf(local, ccsindex)) {
1900 DEBUG(0,"ray_cs associate failed - ECF not ready for intr\n");
1901 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1904 /*===========================================================================*/
1905 static void ray_update_multi_list(struct net_device *dev, int all)
1907 struct dev_mc_list *dmi, **dmip;
1909 struct ccs __iomem *pccs;
1911 ray_dev_t *local = (ray_dev_t *)dev->priv;
1912 dev_link_t *link = local->finder;
1913 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1915 if (!(link->state & DEV_PRESENT)) {
1916 DEBUG(2,"ray_update_multi_list - device not present\n");
1920 DEBUG(2,"ray_update_multi_list(%p)\n",dev);
1921 if ((ccsindex = get_free_ccs(local)) < 0)
1923 DEBUG(1,"ray_update_multi - No free ccs\n");
1926 pccs = ccs_base(local) + ccsindex;
1927 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1930 writeb(0xff, &pccs->var);
1931 local->num_multi = 0xff;
1934 /* Copy the kernel's list of MC addresses to card */
1935 for (dmip=&dev->mc_list; (dmi=*dmip)!=NULL; dmip=&dmi->next) {
1936 memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
1937 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]);
1941 if (i > 256/ADDRLEN) i = 256/ADDRLEN;
1942 writeb((UCHAR)i, &pccs->var);
1943 DEBUG(1,"ray_cs update_multi %d addresses in list\n", i);
1944 /* Interrupt the firmware to process the command */
1945 local->num_multi = i;
1947 if (interrupt_ecf(local, ccsindex)) {
1948 DEBUG(1,"ray_cs update_multi failed - ECF not ready for intr\n");
1949 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1951 } /* end ray_update_multi_list */
1952 /*===========================================================================*/
1953 static void set_multicast_list(struct net_device *dev)
1955 ray_dev_t *local = (ray_dev_t *)dev->priv;
1958 DEBUG(2,"ray_cs set_multicast_list(%p)\n",dev);
1960 if (dev->flags & IFF_PROMISC)
1962 if (local->sparm.b5.a_promiscuous_mode == 0) {
1963 DEBUG(1,"ray_cs set_multicast_list promisc on\n");
1964 local->sparm.b5.a_promiscuous_mode = 1;
1966 ray_update_parm(dev, OBJID_promiscuous_mode, \
1967 &promisc, sizeof(promisc));
1971 if (local->sparm.b5.a_promiscuous_mode == 1) {
1972 DEBUG(1,"ray_cs set_multicast_list promisc off\n");
1973 local->sparm.b5.a_promiscuous_mode = 0;
1975 ray_update_parm(dev, OBJID_promiscuous_mode, \
1976 &promisc, sizeof(promisc));
1980 if (dev->flags & IFF_ALLMULTI) ray_update_multi_list(dev, 1);
1983 if (local->num_multi != dev->mc_count) ray_update_multi_list(dev, 0);
1985 } /* end set_multicast_list */
1986 /*=============================================================================
1987 * All routines below here are run at interrupt time.
1988 =============================================================================*/
1989 static irqreturn_t ray_interrupt(int irq, void *dev_id, struct pt_regs * regs)
1991 struct net_device *dev = (struct net_device *)dev_id;
1994 struct ccs __iomem *pccs;
1995 struct rcs __iomem *prcs;
2001 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
2004 DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev);
2006 local = (ray_dev_t *)dev->priv;
2007 link = (dev_link_t *)local->finder;
2008 if ( ! (link->state & DEV_PRESENT) || link->state & DEV_SUSPEND ) {
2009 DEBUG(2,"ray_cs interrupt from device not present or suspended.\n");
2012 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
2014 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS))
2016 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
2017 clear_interrupt(local);
2020 if (rcsindex < NUMBER_OF_CCS) /* If it's a returned CCS */
2022 pccs = ccs_base(local) + rcsindex;
2023 cmd = readb(&pccs->cmd);
2024 status = readb(&pccs->buffer_status);
2027 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
2028 del_timer(&local->timer);
2029 if (status == CCS_COMMAND_COMPLETE) {
2030 DEBUG(1,"ray_cs interrupt download_startup_parameters OK\n");
2033 DEBUG(1,"ray_cs interrupt download_startup_parameters fail\n");
2036 case CCS_UPDATE_PARAMS:
2037 DEBUG(1,"ray_cs interrupt update params done\n");
2038 if (status != CCS_COMMAND_COMPLETE) {
2039 tmp = readb(&pccs->var.update_param.failure_cause);
2040 DEBUG(0,"ray_cs interrupt update params failed - reason %d\n",tmp);
2043 case CCS_REPORT_PARAMS:
2044 DEBUG(1,"ray_cs interrupt report params done\n");
2046 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
2047 DEBUG(1,"ray_cs interrupt CCS Update Multicast List done\n");
2049 case CCS_UPDATE_POWER_SAVINGS_MODE:
2050 DEBUG(1,"ray_cs interrupt update power save mode done\n");
2052 case CCS_START_NETWORK:
2053 case CCS_JOIN_NETWORK:
2054 if (status == CCS_COMMAND_COMPLETE) {
2055 if (readb(&pccs->var.start_network.net_initiated) == 1) {
2056 DEBUG(0,"ray_cs interrupt network \"%s\" started\n",\
2057 local->sparm.b4.a_current_ess_id);
2060 DEBUG(0,"ray_cs interrupt network \"%s\" joined\n",\
2061 local->sparm.b4.a_current_ess_id);
2063 memcpy_fromio(&local->bss_id,pccs->var.start_network.bssid,ADDRLEN);
2065 if (local->fw_ver == 0x55) local->net_default_tx_rate = 3;
2066 else local->net_default_tx_rate =
2067 readb(&pccs->var.start_network.net_default_tx_rate);
2068 local->encryption = readb(&pccs->var.start_network.encryption);
2069 if (!sniffer && (local->net_type == INFRA)
2070 && !(local->sparm.b4.a_acting_as_ap_status)) {
2071 authenticate(local);
2073 local->card_status = CARD_ACQ_COMPLETE;
2076 local->card_status = CARD_ACQ_FAILED;
2078 del_timer(&local->timer);
2079 local->timer.expires = jiffies + HZ*5;
2080 local->timer.data = (long)local;
2081 if (status == CCS_START_NETWORK) {
2082 DEBUG(0,"ray_cs interrupt network \"%s\" start failed\n",\
2083 local->sparm.b4.a_current_ess_id);
2084 local->timer.function = &start_net;
2087 DEBUG(0,"ray_cs interrupt network \"%s\" join failed\n",\
2088 local->sparm.b4.a_current_ess_id);
2089 local->timer.function = &join_net;
2091 add_timer(&local->timer);
2094 case CCS_START_ASSOCIATION:
2095 if (status == CCS_COMMAND_COMPLETE) {
2096 local->card_status = CARD_ASSOC_COMPLETE;
2097 DEBUG(0,"ray_cs association successful\n");
2101 DEBUG(0,"ray_cs association failed,\n");
2102 local->card_status = CARD_ASSOC_FAILED;
2103 join_net((u_long)local);
2106 case CCS_TX_REQUEST:
2107 if (status == CCS_COMMAND_COMPLETE) {
2108 DEBUG(3,"ray_cs interrupt tx request complete\n");
2111 DEBUG(1,"ray_cs interrupt tx request failed\n");
2113 if (!sniffer) netif_start_queue(dev);
2114 netif_wake_queue(dev);
2116 case CCS_TEST_MEMORY:
2117 DEBUG(1,"ray_cs interrupt mem test done\n");
2120 DEBUG(1,"ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2122 case CCS_DUMP_MEMORY:
2123 DEBUG(1,"ray_cs interrupt dump memory done\n");
2125 case CCS_START_TIMER:
2126 DEBUG(2,"ray_cs interrupt DING - raylink timer expired\n");
2129 DEBUG(1,"ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",\
2132 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2134 else /* It's an RCS */
2136 prcs = rcs_base(local) + rcsindex;
2138 switch (readb(&prcs->interrupt_id))
2140 case PROCESS_RX_PACKET:
2141 ray_rx(dev, local, prcs);
2143 case REJOIN_NET_COMPLETE:
2144 DEBUG(1,"ray_cs interrupt rejoin net complete\n");
2145 local->card_status = CARD_ACQ_COMPLETE;
2146 /* do we need to clear tx buffers CCS's? */
2147 if (local->sparm.b4.a_network_type == ADHOC) {
2148 if (!sniffer) netif_start_queue(dev);
2151 memcpy_fromio(&local->bss_id, prcs->var.rejoin_net_complete.bssid, ADDRLEN);
2152 DEBUG(1,"ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",\
2153 local->bss_id[0], local->bss_id[1], local->bss_id[2],\
2154 local->bss_id[3], local->bss_id[4], local->bss_id[5]);
2155 if (!sniffer) authenticate(local);
2158 case ROAMING_INITIATED:
2159 DEBUG(1,"ray_cs interrupt roaming initiated\n");
2160 netif_stop_queue(dev);
2161 local->card_status = CARD_DOING_ACQ;
2163 case JAPAN_CALL_SIGN_RXD:
2164 DEBUG(1,"ray_cs interrupt japan call sign rx\n");
2167 DEBUG(1,"ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",\
2168 rcsindex, (unsigned int) readb(&prcs->interrupt_id));
2171 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2173 clear_interrupt(local);
2175 } /* ray_interrupt */
2176 /*===========================================================================*/
2177 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs)
2180 unsigned int pkt_addr;
2182 DEBUG(4,"ray_rx process rx packet\n");
2184 /* Calculate address of packet within Rx buffer */
2185 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2186 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2187 /* Length of first packet fragment */
2188 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2189 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2191 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2192 pmsg = local->rmem + pkt_addr;
2196 DEBUG(4,"ray_rx data type\n");
2197 rx_data(dev, prcs, pkt_addr, rx_len);
2199 case AUTHENTIC_TYPE:
2200 DEBUG(4,"ray_rx authentic type\n");
2201 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
2202 else rx_authenticate(local, prcs, pkt_addr, rx_len);
2204 case DEAUTHENTIC_TYPE:
2205 DEBUG(4,"ray_rx deauth type\n");
2206 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
2207 else rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2210 DEBUG(3,"ray_cs rx NULL msg\n");
2213 DEBUG(4,"ray_rx beacon type\n");
2214 if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
2216 copy_from_rx_buff(local, (UCHAR *)&local->last_bcn, pkt_addr,
2217 rx_len < sizeof(struct beacon_rx) ?
2218 rx_len : sizeof(struct beacon_rx));
2220 local->beacon_rxed = 1;
2221 /* Get the statistics so the card counters never overflow */
2225 DEBUG(0,"ray_cs unknown pkt type %2x\n", (unsigned int) readb(pmsg));
2230 /*===========================================================================*/
2231 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr,
2234 struct sk_buff *skb = NULL;
2235 struct rcs __iomem *prcslink = prcs;
2236 ray_dev_t *local = dev->priv;
2241 int siglev = local->last_rsl;
2242 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2247 /* TBD length needs fixing for translated header */
2248 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2249 rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN))
2251 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
2255 else /* encapsulated ethernet */ {
2256 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2257 rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN))
2259 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
2264 DEBUG(4,"ray_cs rx_data packet\n");
2265 /* If fragmented packet, verify sizes of fragments add up */
2266 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2267 DEBUG(1,"ray_cs rx'ed fragment\n");
2268 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2269 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2273 tmp -= (readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
2274 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2275 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) == 0xFF
2277 prcslink = rcs_base(local)
2278 + readb(&prcslink->link_field);
2283 DEBUG(0,"ray_cs rx_data fragment lengths don't add up\n");
2284 local->stats.rx_dropped++;
2285 release_frag_chain(local, prcs);
2289 else { /* Single unfragmented packet */
2293 skb = dev_alloc_skb( total_len+5 );
2296 DEBUG(0,"ray_cs rx_data could not allocate skb\n");
2297 local->stats.rx_dropped++;
2298 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2299 release_frag_chain(local, prcs);
2302 skb_reserve( skb, 2); /* Align IP on 16 byte (TBD check this)*/
2305 DEBUG(4,"ray_cs rx_data total_len = %x, rx_len = %x\n",total_len,rx_len);
2307 /************************/
2308 /* Reserve enough room for the whole damn packet. */
2309 rx_ptr = skb_put( skb, total_len);
2310 /* Copy the whole packet to sk_buff */
2311 rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2312 /* Get source address */
2314 memcpy(linksrcaddr, ((struct mac_header *)skb->data)->addr_2, ETH_ALEN);
2316 /* Now, deal with encapsulation/translation/sniffer */
2319 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2320 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2321 skb_pull( skb, RX_MAC_HEADER_LENGTH);
2324 /* Do translation */
2325 untranslate(local, skb, total_len);
2329 { /* sniffer mode, so just pass whole packet */ };
2331 /************************/
2332 /* Now pick up the rest of the fragments if any */
2334 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2336 DEBUG(1,"ray_cs rx_data in fragment loop\n");
2338 prcslink = rcs_base(local)
2339 + readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2340 rx_len = (( readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
2341 + readb(&prcslink->var.rx_packet.rx_data_length[1]))
2343 pkt_addr = (( readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << 8)
2344 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2347 rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2350 readb(&prcslink->var.rx_packet.next_frag_rcs_index) != 0xFF);
2351 release_frag_chain(local, prcs);
2354 skb->protocol = eth_type_trans(skb,dev);
2356 dev->last_rx = jiffies;
2357 local->stats.rx_packets++;
2358 local->stats.rx_bytes += total_len;
2360 /* Gather signal strength per address */
2362 /* For the Access Point or the node having started the ad-hoc net
2363 * note : ad-hoc work only in some specific configurations, but we
2364 * kludge in ray_get_wireless_stats... */
2365 if(!memcmp(linksrcaddr, local->bss_id, ETH_ALEN))
2367 /* Update statistics */
2368 /*local->wstats.qual.qual = none ? */
2369 local->wstats.qual.level = siglev;
2370 /*local->wstats.qual.noise = none ? */
2371 local->wstats.qual.updated = 0x2;
2373 /* Now, update the spy stuff */
2375 struct iw_quality wstats;
2376 wstats.level = siglev;
2377 /* wstats.noise = none ? */
2378 /* wstats.qual = none ? */
2379 wstats.updated = 0x2;
2380 /* Update spy records */
2381 wireless_spy_update(dev, linksrcaddr, &wstats);
2383 #endif /* WIRELESS_SPY */
2385 /*===========================================================================*/
2386 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2388 snaphdr_t *psnap = (snaphdr_t *)(skb->data + RX_MAC_HEADER_LENGTH);
2389 struct mac_header *pmac = (struct mac_header *)skb->data;
2390 unsigned short type = *(unsigned short *)psnap->ethertype;
2391 unsigned int xsap = *(unsigned int *)psnap & 0x00ffffff;
2392 unsigned int org = (*(unsigned int *)psnap->org) & 0x00ffffff;
2394 struct ethhdr *peth;
2395 UCHAR srcaddr[ADDRLEN];
2396 UCHAR destaddr[ADDRLEN];
2398 if (pmac->frame_ctl_2 & FC2_FROM_DS) {
2399 if (pmac->frame_ctl_2 & FC2_TO_DS) { /* AP to AP */
2400 memcpy(destaddr, pmac->addr_3, ADDRLEN);
2401 memcpy(srcaddr, ((unsigned char *)pmac->addr_3) + ADDRLEN, ADDRLEN);
2402 } else { /* AP to terminal */
2403 memcpy(destaddr, pmac->addr_1, ADDRLEN);
2404 memcpy(srcaddr, pmac->addr_3, ADDRLEN);
2406 } else { /* Terminal to AP */
2407 if (pmac->frame_ctl_2 & FC2_TO_DS) {
2408 memcpy(destaddr, pmac->addr_3, ADDRLEN);
2409 memcpy(srcaddr, pmac->addr_2, ADDRLEN);
2410 } else { /* Adhoc */
2411 memcpy(destaddr, pmac->addr_1, ADDRLEN);
2412 memcpy(srcaddr, pmac->addr_2, ADDRLEN);
2419 printk(KERN_DEBUG "skb->data before untranslate");
2421 printk("%02x ",skb->data[i]);
2422 printk("\n" KERN_DEBUG "type = %08x, xsap = %08x, org = %08x\n",
2424 printk(KERN_DEBUG "untranslate skb->data = %p\n",skb->data);
2428 if ( xsap != SNAP_ID) {
2429 /* not a snap type so leave it alone */
2430 DEBUG(3,"ray_cs untranslate NOT SNAP %x\n", *(unsigned int *)psnap & 0x00ffffff);
2432 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2433 peth = (struct ethhdr *)(skb->data + delta);
2434 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2436 else { /* Its a SNAP */
2437 if (org == BRIDGE_ENCAP) { /* EtherII and nuke the LLC */
2438 DEBUG(3,"ray_cs untranslate Bridge encap\n");
2439 delta = RX_MAC_HEADER_LENGTH
2440 + sizeof(struct snaphdr_t) - ETH_HLEN;
2441 peth = (struct ethhdr *)(skb->data + delta);
2442 peth->h_proto = type;
2445 if (org == RFC1042_ENCAP) {
2449 DEBUG(3,"ray_cs untranslate RFC IPX/AARP\n");
2450 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2451 peth = (struct ethhdr *)(skb->data + delta);
2452 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2455 DEBUG(3,"ray_cs untranslate RFC default\n");
2456 delta = RX_MAC_HEADER_LENGTH +
2457 sizeof(struct snaphdr_t) - ETH_HLEN;
2458 peth = (struct ethhdr *)(skb->data + delta);
2459 peth->h_proto = type;
2464 printk("ray_cs untranslate very confused by packet\n");
2465 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2466 peth = (struct ethhdr *)(skb->data + delta);
2467 peth->h_proto = type;
2471 /* TBD reserve skb_reserve(skb, delta); */
2472 skb_pull(skb, delta);
2473 DEBUG(3,"untranslate after skb_pull(%d), skb->data = %p\n",delta,skb->data);
2474 memcpy(peth->h_dest, destaddr, ADDRLEN);
2475 memcpy(peth->h_source, srcaddr, ADDRLEN);
2479 printk(KERN_DEBUG "skb->data after untranslate:");
2481 printk("%02x ",skb->data[i]);
2485 } /* end untranslate */
2486 /*===========================================================================*/
2487 /* Copy data from circular receive buffer to PC memory.
2488 * dest = destination address in PC memory
2489 * pkt_addr = source address in receive buffer
2490 * len = length of packet to copy
2492 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int length)
2494 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2495 if (wrap_bytes <= 0)
2497 memcpy_fromio(dest,local->rmem + pkt_addr,length);
2499 else /* Packet wrapped in circular buffer */
2501 memcpy_fromio(dest,local->rmem+pkt_addr,length - wrap_bytes);
2502 memcpy_fromio(dest + length - wrap_bytes, local->rmem, wrap_bytes);
2506 /*===========================================================================*/
2507 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem * prcs)
2509 struct rcs __iomem *prcslink = prcs;
2511 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2514 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2515 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2516 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
2519 prcslink = rcs_base(local) + rcsindex;
2520 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2522 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2524 /*===========================================================================*/
2525 static void authenticate(ray_dev_t *local)
2527 dev_link_t *link = local->finder;
2528 DEBUG(0,"ray_cs Starting authentication.\n");
2529 if (!(link->state & DEV_PRESENT)) {
2530 DEBUG(2,"ray_cs authenticate - device not present\n");
2534 del_timer(&local->timer);
2535 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2536 local->timer.function = &join_net;
2539 local->timer.function = &authenticate_timeout;
2541 local->timer.expires = jiffies + HZ*2;
2542 local->timer.data = (long)local;
2543 add_timer(&local->timer);
2544 local->authentication_state = AWAITING_RESPONSE;
2545 } /* end authenticate */
2546 /*===========================================================================*/
2547 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2548 unsigned int pkt_addr, int rx_len)
2551 struct rx_msg *msg = (struct rx_msg *)buff;
2553 del_timer(&local->timer);
2555 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2556 /* if we are trying to get authenticated */
2557 if (local->sparm.b4.a_network_type == ADHOC) {
2558 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]);
2559 if (msg->var[2] == 1) {
2560 DEBUG(0,"ray_cs Sending authentication response.\n");
2561 if (!build_auth_frame (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2562 local->authentication_state = NEED_TO_AUTH;
2563 memcpy(local->auth_id, msg->mac.addr_2, ADDRLEN);
2567 else /* Infrastructure network */
2569 if (local->authentication_state == AWAITING_RESPONSE) {
2570 /* Verify authentication sequence #2 and success */
2571 if (msg->var[2] == 2) {
2572 if ((msg->var[3] | msg->var[4]) == 0) {
2573 DEBUG(1,"Authentication successful\n");
2574 local->card_status = CARD_AUTH_COMPLETE;
2576 local->authentication_state = AUTHENTICATED;
2579 DEBUG(0,"Authentication refused\n");
2580 local->card_status = CARD_AUTH_REFUSED;
2581 join_net((u_long)local);
2582 local->authentication_state = UNAUTHENTICATED;
2588 } /* end rx_authenticate */
2589 /*===========================================================================*/
2590 static void associate(ray_dev_t *local)
2592 struct ccs __iomem *pccs;
2593 dev_link_t *link = local->finder;
2594 struct net_device *dev = link->priv;
2596 if (!(link->state & DEV_PRESENT)) {
2597 DEBUG(2,"ray_cs associate - device not present\n");
2600 /* If no tx buffers available, return*/
2601 if ((ccsindex = get_free_ccs(local)) < 0)
2603 /* TBD should never be here but... what if we are? */
2604 DEBUG(1,"ray_cs associate - No free ccs\n");
2607 DEBUG(1,"ray_cs Starting association with access point\n");
2608 pccs = ccs_base(local) + ccsindex;
2609 /* fill in the CCS */
2610 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2611 /* Interrupt the firmware to process the command */
2612 if (interrupt_ecf(local, ccsindex)) {
2613 DEBUG(1,"ray_cs associate failed - ECF not ready for intr\n");
2614 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2616 del_timer(&local->timer);
2617 local->timer.expires = jiffies + HZ*2;
2618 local->timer.data = (long)local;
2619 local->timer.function = &join_net;
2620 add_timer(&local->timer);
2621 local->card_status = CARD_ASSOC_FAILED;
2624 if (!sniffer) netif_start_queue(dev);
2626 } /* end associate */
2627 /*===========================================================================*/
2628 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2629 unsigned int pkt_addr, int rx_len)
2632 struct rx_msg *msg = (struct rx_msg *)buff;
2634 DEBUG(0,"Deauthentication frame received\n");
2635 local->authentication_state = UNAUTHENTICATED;
2636 /* Need to reauthenticate or rejoin depending on reason code */
2637 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2640 /*===========================================================================*/
2641 static void clear_interrupt(ray_dev_t *local)
2643 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2645 /*===========================================================================*/
2646 #ifdef CONFIG_PROC_FS
2647 #define MAXDATA (PAGE_SIZE - 80)
2649 static char *card_status[] = {
2650 "Card inserted - uninitialized", /* 0 */
2651 "Card not downloaded", /* 1 */
2652 "Waiting for download parameters", /* 2 */
2653 "Card doing acquisition", /* 3 */
2654 "Acquisition complete", /* 4 */
2655 "Authentication complete", /* 5 */
2656 "Association complete", /* 6 */
2657 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2658 "Card init error", /* 11 */
2659 "Download parameters error", /* 12 */
2661 "Acquisition failed", /* 14 */
2662 "Authentication refused", /* 15 */
2663 "Association failed" /* 16 */
2666 static char *nettype[] = {"Adhoc", "Infra "};
2667 static char *framing[] = {"Encapsulation", "Translation"}
2669 /*===========================================================================*/
2670 static int ray_cs_proc_read(char *buf, char **start, off_t offset, int len)
2672 /* Print current values which are not available via other means
2677 struct net_device *dev;
2680 struct freq_hop_element *pfh;
2686 dev = (struct net_device *)link->priv;
2689 local = (ray_dev_t *)dev->priv;
2695 len += sprintf(buf + len, "Raylink Wireless LAN driver status\n");
2696 len += sprintf(buf + len, "%s\n", rcsid);
2697 /* build 4 does not report version, and field is 0x55 after memtest */
2698 len += sprintf(buf + len, "Firmware version = ");
2699 if (local->fw_ver == 0x55)
2700 len += sprintf(buf + len, "4 - Use dump_cis for more details\n");
2702 len += sprintf(buf + len, "%2d.%02d.%02d\n",
2703 local->fw_ver, local->fw_bld, local->fw_var);
2705 for (i=0; i<32; i++) c[i] = local->sparm.b5.a_current_ess_id[i];
2707 len += sprintf(buf + len, "%s network ESSID = \"%s\"\n",
2708 nettype[local->sparm.b5.a_network_type], c);
2711 len += sprintf(buf + len,
2712 "BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
2713 p[0],p[1],p[2],p[3],p[4],p[5]);
2715 len += sprintf(buf + len, "Country code = %d\n",
2716 local->sparm.b5.a_curr_country_code);
2718 i = local->card_status;
2721 len += sprintf(buf + len, "Card status = %s\n", card_status[i]);
2723 len += sprintf(buf + len, "Framing mode = %s\n",framing[translate]);
2725 len += sprintf(buf + len, "Last pkt signal lvl = %d\n", local->last_rsl);
2727 if (local->beacon_rxed) {
2728 /* Pull some fields out of last beacon received */
2729 len += sprintf(buf + len, "Beacon Interval = %d Kus\n",
2730 local->last_bcn.beacon_intvl[0]
2731 + 256 * local->last_bcn.beacon_intvl[1]);
2733 p = local->last_bcn.elements;
2734 if (p[0] == C_ESSID_ELEMENT_ID) p += p[1] + 2;
2736 len += sprintf(buf + len, "Parse beacon failed at essid element id = %d\n",p[0]);
2740 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2741 len += sprintf(buf + len, "Supported rate codes = ");
2742 for (i=2; i<p[1] + 2; i++)
2743 len += sprintf(buf + len, "0x%02x ", p[i]);
2744 len += sprintf(buf + len, "\n");
2748 len += sprintf(buf + len, "Parse beacon failed at rates element\n");
2752 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2753 pfh = (struct freq_hop_element *)p;
2754 len += sprintf(buf + len, "Hop dwell = %d Kus\n",
2755 pfh->dwell_time[0] + 256 * pfh->dwell_time[1]);
2756 len += sprintf(buf + len, "Hop set = %d \n", pfh->hop_set);
2757 len += sprintf(buf + len, "Hop pattern = %d \n", pfh->hop_pattern);
2758 len += sprintf(buf + len, "Hop index = %d \n", pfh->hop_index);
2762 len += sprintf(buf + len, "Parse beacon failed at FH param element\n");
2766 len += sprintf(buf + len, "No beacons received\n");
2772 /*===========================================================================*/
2773 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2776 struct ccs __iomem *pccs;
2777 struct tx_msg __iomem *ptx;
2780 /* If no tx buffers available, return */
2781 if ((ccsindex = get_free_tx_ccs(local)) < 0)
2783 DEBUG(1,"ray_cs send authenticate - No free tx ccs\n");
2787 pccs = ccs_base(local) + ccsindex;
2789 /* Address in card space */
2790 addr = TX_BUF_BASE + (ccsindex << 11);
2791 /* fill in the CCS */
2792 writeb(CCS_TX_REQUEST, &pccs->cmd);
2793 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2794 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2795 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2796 writeb(TX_AUTHENTICATE_LENGTH_LSB,pccs->var.tx_request.tx_data_length + 1);
2797 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2799 ptx = local->sram + addr;
2800 /* fill in the mac header */
2801 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2802 writeb(0, &ptx->mac.frame_ctl_2);
2804 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2805 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2806 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2808 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2809 memset_io(ptx->var, 0, 6);
2810 writeb(auth_type & 0xff, ptx->var + 2);
2812 /* Interrupt the firmware to process the command */
2813 if (interrupt_ecf(local, ccsindex)) {
2814 DEBUG(1,"ray_cs send authentication request failed - ECF not ready for intr\n");
2815 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2819 } /* End build_auth_frame */
2821 /*===========================================================================*/
2822 #ifdef CONFIG_PROC_FS
2823 static void raycs_write(const char *name, write_proc_t *w, void *data)
2825 struct proc_dir_entry * entry = create_proc_entry(name, S_IFREG | S_IWUSR, NULL);
2827 entry->write_proc = w;
2832 static int write_essid(struct file *file, const char __user *buffer, unsigned long count, void *data)
2834 static char proc_essid[33];
2839 memset(proc_essid, 0, 33);
2840 if (copy_from_user(proc_essid, buffer, len))
2846 static int write_int(struct file *file, const char __user *buffer, unsigned long count, void *data)
2848 static char proc_number[10];
2857 if (copy_from_user(proc_number, buffer, count))
2863 unsigned int c = *p - '0';
2874 static struct pcmcia_device_id ray_ids[] = {
2875 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2878 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2880 static struct pcmcia_driver ray_driver = {
2881 .owner = THIS_MODULE,
2885 .probe = ray_attach,
2886 .remove = ray_detach,
2887 .id_table = ray_ids,
2888 .suspend = ray_suspend,
2889 .resume = ray_resume,
2892 static int __init init_ray_cs(void)
2896 DEBUG(1, "%s\n", rcsid);
2897 rc = pcmcia_register_driver(&ray_driver);
2898 DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",rc);
2900 #ifdef CONFIG_PROC_FS
2901 proc_mkdir("driver/ray_cs", NULL);
2903 create_proc_info_entry("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_read);
2904 raycs_write("driver/ray_cs/essid", write_essid, NULL);
2905 raycs_write("driver/ray_cs/net_type", write_int, &net_type);
2906 raycs_write("driver/ray_cs/translate", write_int, &translate);
2908 if (translate != 0) translate = 1;
2912 /*===========================================================================*/
2914 static void __exit exit_ray_cs(void)
2916 DEBUG(0, "ray_cs: cleanup_module\n");
2918 #ifdef CONFIG_PROC_FS
2919 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2920 remove_proc_entry("driver/ray_cs/essid", NULL);
2921 remove_proc_entry("driver/ray_cs/net_type", NULL);
2922 remove_proc_entry("driver/ray_cs/translate", NULL);
2923 remove_proc_entry("driver/ray_cs", NULL);
2926 pcmcia_unregister_driver(&ray_driver);
2927 BUG_ON(dev_list != NULL);
2930 module_init(init_ray_cs);
2931 module_exit(exit_ray_cs);
2933 /*===========================================================================*/