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/module.h>
34 #include <linux/kernel.h>
35 #include <linux/proc_fs.h>
36 #include <linux/ptrace.h>
37 #include <linux/seq_file.h>
38 #include <linux/slab.h>
39 #include <linux/string.h>
40 #include <linux/timer.h>
41 #include <linux/init.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/skbuff.h>
47 #include <linux/ethtool.h>
48 #include <linux/ieee80211.h>
50 #include <pcmcia/cs_types.h>
51 #include <pcmcia/cs.h>
52 #include <pcmcia/cistpl.h>
53 #include <pcmcia/cisreg.h>
54 #include <pcmcia/ds.h>
55 #include <pcmcia/mem_op.h>
57 #include <linux/wireless.h>
58 #include <net/iw_handler.h>
61 #include <asm/system.h>
62 #include <asm/byteorder.h>
63 #include <asm/uaccess.h>
65 /* Warning : these stuff will slow down the driver... */
66 #define WIRELESS_SPY /* Enable spying addresses */
67 /* Definitions we need for spy */
68 typedef struct iw_statistics iw_stats;
69 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
74 /* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
75 you do not define PCMCIA_DEBUG at all, all the debug code will be
76 left out. If you compile with PCMCIA_DEBUG=0, the debug code will
77 be present but disabled -- but it can then be enabled for specific
78 modules at load time with a 'pc_debug=#' option to insmod.
82 #define PCMCIA_DEBUG RAYLINK_DEBUG
86 static int pc_debug = PCMCIA_DEBUG;
87 module_param(pc_debug, int, 0);
88 /* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */
89 #define DEBUG(n, args...) if (pc_debug > (n)) printk(args);
91 #define DEBUG(n, args...)
93 /** Prototypes based on PCMCIA skeleton driver *******************************/
94 static int ray_config(struct pcmcia_device *link);
95 static void ray_release(struct pcmcia_device *link);
96 static void ray_detach(struct pcmcia_device *p_dev);
98 /***** Prototypes indicated by device structure ******************************/
99 static int ray_dev_close(struct net_device *dev);
100 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
101 static struct net_device_stats *ray_get_stats(struct net_device *dev);
102 static int ray_dev_init(struct net_device *dev);
104 static const struct ethtool_ops netdev_ethtool_ops;
106 static int ray_open(struct net_device *dev);
107 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev);
108 static void set_multicast_list(struct net_device *dev);
109 static void ray_update_multi_list(struct net_device *dev, int all);
110 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
111 unsigned char *data, int len);
112 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
113 UCHAR msg_type, unsigned char *data);
114 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
115 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
116 static const struct iw_handler_def ray_handler_def;
118 /***** Prototypes for raylink functions **************************************/
119 static int asc_to_int(char a);
120 static void authenticate(ray_dev_t *local);
121 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
122 static void authenticate_timeout(u_long);
123 static int get_free_ccs(ray_dev_t *local);
124 static int get_free_tx_ccs(ray_dev_t *local);
125 static void init_startup_params(ray_dev_t *local);
126 static int parse_addr(char *in_str, UCHAR *out);
127 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
128 static int ray_init(struct net_device *dev);
129 static int interrupt_ecf(ray_dev_t *local, int ccs);
130 static void ray_reset(struct net_device *dev);
131 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
132 static void verify_dl_startup(u_long);
134 /* Prototypes for interrpt time functions **********************************/
135 static irqreturn_t ray_interrupt(int reg, void *dev_id);
136 static void clear_interrupt(ray_dev_t *local);
137 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
138 unsigned int pkt_addr, int rx_len);
139 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
140 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
141 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
142 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
143 unsigned int pkt_addr, int rx_len);
144 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
145 unsigned int pkt_addr, int rx_len);
146 static void associate(ray_dev_t *local);
148 /* Card command functions */
149 static int dl_startup_params(struct net_device *dev);
150 static void join_net(u_long local);
151 static void start_net(u_long local);
152 /* void start_net(ray_dev_t *local); */
154 /*===========================================================================*/
155 /* Parameters that can be set with 'insmod' */
157 /* ADHOC=0, Infrastructure=1 */
158 static int net_type = ADHOC;
160 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
161 static int hop_dwell = 128;
163 /* Beacon period in Kus */
164 static int beacon_period = 256;
166 /* power save mode (0 = off, 1 = save power) */
169 /* String for network's Extended Service Set ID. 32 Characters max */
172 /* Default to encapsulation unless translation requested */
173 static int translate = 1;
175 static int country = USA;
181 /* 48 bit physical card address if overriding card's real physical
182 * address is required. Since IEEE 802.11 addresses are 48 bits
183 * like ethernet, an int can't be used, so a string is used. To
184 * allow use of addresses starting with a decimal digit, the first
185 * character must be a letter and will be ignored. This letter is
186 * followed by up to 12 hex digits which are the address. If less
187 * than 12 digits are used, the address will be left filled with 0's.
188 * Note that bit 0 of the first byte is the broadcast bit, and evil
189 * things will happen if it is not 0 in a card address.
191 static char *phy_addr = NULL;
194 /* A struct pcmcia_device structure has fields for most things that are needed
195 to keep track of a socket, but there will usually be some device
196 specific information that also needs to be kept track of. The
197 'priv' pointer in a struct pcmcia_device structure can be used to point to
198 a device-specific private data structure, like this.
200 static unsigned int ray_mem_speed = 500;
202 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
203 static struct pcmcia_device *this_device = NULL;
205 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
206 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
207 MODULE_LICENSE("GPL");
209 module_param(net_type, int, 0);
210 module_param(hop_dwell, int, 0);
211 module_param(beacon_period, int, 0);
212 module_param(psm, int, 0);
213 module_param(essid, charp, 0);
214 module_param(translate, int, 0);
215 module_param(country, int, 0);
216 module_param(sniffer, int, 0);
217 module_param(bc, int, 0);
218 module_param(phy_addr, charp, 0);
219 module_param(ray_mem_speed, int, 0);
221 static UCHAR b5_default_startup_parms[] = {
222 0, 0, /* Adhoc station */
223 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
224 0, 0, 0, 0, 0, 0, 0, 0,
225 0, 0, 0, 0, 0, 0, 0, 0,
226 0, 0, 0, 0, 0, 0, 0, 0,
227 1, 0, /* Active scan, CA Mode */
228 0, 0, 0, 0, 0, 0, /* No default MAC addr */
229 0x7f, 0xff, /* Frag threshold */
230 0x00, 0x80, /* Hop time 128 Kus */
231 0x01, 0x00, /* Beacon period 256 Kus */
232 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
233 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
234 0x7f, 0xff, /* RTS threshold */
235 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
236 0x05, /* assoc resp timeout thresh */
237 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
238 0, /* Promiscuous mode */
239 0x0c, 0x0bd, /* Unique word */
240 0x32, /* Slot time */
241 0xff, 0xff, /* roam-low snr, low snr count */
242 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
243 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
244 /* b4 - b5 differences start here */
245 0x00, 0x3f, /* CW max */
246 0x00, 0x0f, /* CW min */
247 0x04, 0x08, /* Noise gain, limit offset */
248 0x28, 0x28, /* det rssi, med busy offsets */
249 7, /* det sync thresh */
250 0, 2, 2, /* test mode, min, max */
251 0, /* allow broadcast SSID probe resp */
252 0, 0, /* privacy must start, can join */
253 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
256 static UCHAR b4_default_startup_parms[] = {
257 0, 0, /* Adhoc station */
258 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
259 0, 0, 0, 0, 0, 0, 0, 0,
260 0, 0, 0, 0, 0, 0, 0, 0,
261 0, 0, 0, 0, 0, 0, 0, 0,
262 1, 0, /* Active scan, CA Mode */
263 0, 0, 0, 0, 0, 0, /* No default MAC addr */
264 0x7f, 0xff, /* Frag threshold */
265 0x02, 0x00, /* Hop time */
266 0x00, 0x01, /* Beacon period */
267 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
268 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
269 0x7f, 0xff, /* RTS threshold */
270 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
271 0x05, /* assoc resp timeout thresh */
272 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
273 0, /* Promiscuous mode */
274 0x0c, 0x0bd, /* Unique word */
275 0x4e, /* Slot time (TBD seems wrong) */
276 0xff, 0xff, /* roam-low snr, low snr count */
277 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
278 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
279 /* b4 - b5 differences start here */
280 0x3f, 0x0f, /* CW max, min */
281 0x04, 0x08, /* Noise gain, limit offset */
282 0x28, 0x28, /* det rssi, med busy offsets */
283 7, /* det sync thresh */
284 0, 2, 2 /* test mode, min, max */
287 /*===========================================================================*/
288 static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
290 static char hop_pattern_length[] = { 1,
291 USA_HOP_MOD, EUROPE_HOP_MOD,
292 JAPAN_HOP_MOD, KOREA_HOP_MOD,
293 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
294 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
298 static char rcsid[] =
299 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
301 static const struct net_device_ops ray_netdev_ops = {
302 .ndo_init = ray_dev_init,
303 .ndo_open = ray_open,
304 .ndo_stop = ray_dev_close,
305 .ndo_start_xmit = ray_dev_start_xmit,
306 .ndo_set_config = ray_dev_config,
307 .ndo_get_stats = ray_get_stats,
308 .ndo_set_multicast_list = set_multicast_list,
309 .ndo_change_mtu = eth_change_mtu,
310 .ndo_set_mac_address = eth_mac_addr,
311 .ndo_validate_addr = eth_validate_addr,
314 /*=============================================================================
315 ray_attach() creates an "instance" of the driver, allocating
316 local data structures for one device. The device is registered
318 The dev_link structure is initialized, but we don't actually
319 configure the card at this point -- we wait until we receive a
320 card insertion event.
321 =============================================================================*/
322 static int ray_probe(struct pcmcia_device *p_dev)
325 struct net_device *dev;
327 DEBUG(1, "ray_attach()\n");
329 /* Allocate space for private device-specific data */
330 dev = alloc_etherdev(sizeof(ray_dev_t));
334 local = netdev_priv(dev);
335 local->finder = p_dev;
337 /* The io structure describes IO port mapping. None used here */
338 p_dev->io.NumPorts1 = 0;
339 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
340 p_dev->io.IOAddrLines = 5;
342 /* Interrupt setup. For PCMCIA, driver takes what's given */
343 p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
344 p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
345 p_dev->irq.Handler = &ray_interrupt;
347 /* General socket configuration */
348 p_dev->conf.Attributes = CONF_ENABLE_IRQ;
349 p_dev->conf.IntType = INT_MEMORY_AND_IO;
350 p_dev->conf.ConfigIndex = 1;
353 p_dev->irq.Instance = dev;
355 local->finder = p_dev;
356 local->card_status = CARD_INSERTED;
357 local->authentication_state = UNAUTHENTICATED;
358 local->num_multi = 0;
359 DEBUG(2, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
360 p_dev, dev, local, &ray_interrupt);
362 /* Raylink entries in the device structure */
363 dev->netdev_ops = &ray_netdev_ops;
364 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
365 dev->wireless_handlers = &ray_handler_def;
367 local->wireless_data.spy_data = &local->spy_data;
368 dev->wireless_data = &local->wireless_data;
369 #endif /* WIRELESS_SPY */
372 DEBUG(2, "ray_cs ray_attach calling ether_setup.)\n");
373 netif_stop_queue(dev);
375 init_timer(&local->timer);
378 return ray_config(p_dev);
384 /*=============================================================================
385 This deletes a driver "instance". The device is de-registered
386 with Card Services. If it has been released, all local data
387 structures are freed. Otherwise, the structures will be freed
388 when the device is released.
389 =============================================================================*/
390 static void ray_detach(struct pcmcia_device *link)
392 struct net_device *dev;
395 DEBUG(1, "ray_detach(0x%p)\n", link);
402 local = netdev_priv(dev);
403 del_timer(&local->timer);
407 unregister_netdev(dev);
410 DEBUG(2, "ray_cs ray_detach ending\n");
413 /*=============================================================================
414 ray_config() is run after a CARD_INSERTION event
415 is received, to configure the PCMCIA socket, and to make the
416 ethernet device available to the system.
417 =============================================================================*/
418 #define CS_CHECK(fn, ret) \
419 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
420 #define MAX_TUPLE_SIZE 128
421 static int ray_config(struct pcmcia_device *link)
423 int last_fn = 0, last_ret = 0;
427 struct net_device *dev = (struct net_device *)link->priv;
428 ray_dev_t *local = netdev_priv(dev);
430 DEBUG(1, "ray_config(0x%p)\n", link);
432 /* Determine card type and firmware version */
433 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
434 link->prod_id[0] ? link->prod_id[0] : " ",
435 link->prod_id[1] ? link->prod_id[1] : " ",
436 link->prod_id[2] ? link->prod_id[2] : " ",
437 link->prod_id[3] ? link->prod_id[3] : " ");
439 /* Now allocate an interrupt line. Note that this does not
440 actually assign a handler to the interrupt.
442 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
443 dev->irq = link->irq.AssignedIRQ;
445 /* This actually configures the PCMCIA socket -- setting up
446 the I/O windows and the interrupt mapping.
448 CS_CHECK(RequestConfiguration,
449 pcmcia_request_configuration(link, &link->conf));
451 /*** Set up 32k window for shared memory (transmit and control) ************/
453 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
456 req.AccessSpeed = ray_mem_speed;
457 CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win));
458 mem.CardOffset = 0x0000;
460 CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
461 local->sram = ioremap(req.Base, req.Size);
463 /*** Set up 16k window for shared memory (receive buffer) ***************/
465 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
468 req.AccessSpeed = ray_mem_speed;
469 CS_CHECK(RequestWindow,
470 pcmcia_request_window(&link, &req, &local->rmem_handle));
471 mem.CardOffset = 0x8000;
473 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem));
474 local->rmem = ioremap(req.Base, req.Size);
476 /*** Set up window for attribute memory ***********************************/
478 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
481 req.AccessSpeed = ray_mem_speed;
482 CS_CHECK(RequestWindow,
483 pcmcia_request_window(&link, &req, &local->amem_handle));
484 mem.CardOffset = 0x0000;
486 CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem));
487 local->amem = ioremap(req.Base, req.Size);
489 DEBUG(3, "ray_config sram=%p\n", local->sram);
490 DEBUG(3, "ray_config rmem=%p\n", local->rmem);
491 DEBUG(3, "ray_config amem=%p\n", local->amem);
492 if (ray_init(dev) < 0) {
497 SET_NETDEV_DEV(dev, &handle_to_dev(link));
498 i = register_netdev(dev);
500 printk("ray_config register_netdev() failed\n");
505 strcpy(local->node.dev_name, dev->name);
506 link->dev_node = &local->node;
508 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
509 dev->name, dev->irq, dev->dev_addr);
514 cs_error(link, last_fn, last_ret);
520 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
522 return dev->sram + CCS_BASE;
525 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
528 * This looks nonsensical, since there is a separate
529 * RCS_BASE. But the difference between a "struct rcs"
530 * and a "struct ccs" ends up being in the _index_ off
531 * the base, so the base pointer is the same for both
534 return dev->sram + CCS_BASE;
537 /*===========================================================================*/
538 static int ray_init(struct net_device *dev)
542 struct ccs __iomem *pccs;
543 ray_dev_t *local = netdev_priv(dev);
544 struct pcmcia_device *link = local->finder;
545 DEBUG(1, "ray_init(0x%p)\n", dev);
546 if (!(pcmcia_dev_present(link))) {
547 DEBUG(0, "ray_init - device not present\n");
551 local->net_type = net_type;
552 local->sta_type = TYPE_STA;
554 /* Copy the startup results to local memory */
555 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
556 sizeof(struct startup_res_6));
558 /* Check Power up test status and get mac address from card */
559 if (local->startup_res.startup_word != 0x80) {
560 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
561 local->startup_res.startup_word);
562 local->card_status = CARD_INIT_ERROR;
566 local->fw_ver = local->startup_res.firmware_version[0];
567 local->fw_bld = local->startup_res.firmware_version[1];
568 local->fw_var = local->startup_res.firmware_version[2];
569 DEBUG(1, "ray_init firmware version %d.%d \n", local->fw_ver,
572 local->tib_length = 0x20;
573 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
574 local->tib_length = local->startup_res.tib_length;
575 DEBUG(2, "ray_init tib_length = 0x%02x\n", local->tib_length);
576 /* Initialize CCS's to buffer free state */
577 pccs = ccs_base(local);
578 for (i = 0; i < NUMBER_OF_CCS; i++) {
579 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
581 init_startup_params(local);
583 /* copy mac address to startup parameters */
584 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
585 p = local->sparm.b4.a_mac_addr;
587 memcpy(&local->sparm.b4.a_mac_addr,
588 &local->startup_res.station_addr, ADDRLEN);
589 p = local->sparm.b4.a_mac_addr;
592 clear_interrupt(local); /* Clear any interrupt from the card */
593 local->card_status = CARD_AWAITING_PARAM;
594 DEBUG(2, "ray_init ending\n");
598 /*===========================================================================*/
599 /* Download startup parameters to the card and command it to read them */
600 static int dl_startup_params(struct net_device *dev)
603 ray_dev_t *local = netdev_priv(dev);
604 struct ccs __iomem *pccs;
605 struct pcmcia_device *link = local->finder;
607 DEBUG(1, "dl_startup_params entered\n");
608 if (!(pcmcia_dev_present(link))) {
609 DEBUG(2, "ray_cs dl_startup_params - device not present\n");
613 /* Copy parameters to host to ECF area */
614 if (local->fw_ver == 0x55)
615 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
616 sizeof(struct b4_startup_params));
618 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
619 sizeof(struct b5_startup_params));
621 /* Fill in the CCS fields for the ECF */
622 if ((ccsindex = get_free_ccs(local)) < 0)
624 local->dl_param_ccs = ccsindex;
625 pccs = ccs_base(local) + ccsindex;
626 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
627 DEBUG(2, "dl_startup_params start ccsindex = %d\n",
628 local->dl_param_ccs);
629 /* Interrupt the firmware to process the command */
630 if (interrupt_ecf(local, ccsindex)) {
631 printk(KERN_INFO "ray dl_startup_params failed - "
632 "ECF not ready for intr\n");
633 local->card_status = CARD_DL_PARAM_ERROR;
634 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
637 local->card_status = CARD_DL_PARAM;
638 /* Start kernel timer to wait for dl startup to complete. */
639 local->timer.expires = jiffies + HZ / 2;
640 local->timer.data = (long)local;
641 local->timer.function = &verify_dl_startup;
642 add_timer(&local->timer);
644 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
646 } /* dl_startup_params */
648 /*===========================================================================*/
649 static void init_startup_params(ray_dev_t *local)
653 if (country > JAPAN_TEST)
655 else if (country < USA)
657 /* structure for hop time and beacon period is defined here using
658 * New 802.11D6.1 format. Card firmware is still using old format
661 * a_hop_time ms byte a_hop_time ms byte
662 * a_hop_time 2s byte a_hop_time ls byte
663 * a_hop_time ls byte a_beacon_period ms byte
664 * a_beacon_period a_beacon_period ls byte
666 * a_hop_time = uS a_hop_time = KuS
667 * a_beacon_period = hops a_beacon_period = KuS
668 *//* 64ms = 010000 */
669 if (local->fw_ver == 0x55) {
670 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
671 sizeof(struct b4_startup_params));
672 /* Translate sane kus input values to old build 4/5 format */
673 /* i = hop time in uS truncated to 3 bytes */
674 i = (hop_dwell * 1024) & 0xffffff;
675 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
676 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
677 local->sparm.b4.a_beacon_period[0] = 0;
678 local->sparm.b4.a_beacon_period[1] =
679 ((beacon_period / hop_dwell) - 1) & 0xff;
680 local->sparm.b4.a_curr_country_code = country;
681 local->sparm.b4.a_hop_pattern_length =
682 hop_pattern_length[(int)country] - 1;
684 local->sparm.b4.a_ack_timeout = 0x50;
685 local->sparm.b4.a_sifs = 0x3f;
687 } else { /* Version 5 uses real kus values */
688 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
689 sizeof(struct b5_startup_params));
691 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
692 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
693 local->sparm.b5.a_beacon_period[0] =
694 (beacon_period >> 8) & 0xff;
695 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
697 local->sparm.b5.a_power_mgt_state = 1;
698 local->sparm.b5.a_curr_country_code = country;
699 local->sparm.b5.a_hop_pattern_length =
700 hop_pattern_length[(int)country];
703 local->sparm.b4.a_network_type = net_type & 0x01;
704 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
707 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
708 } /* init_startup_params */
710 /*===========================================================================*/
711 static void verify_dl_startup(u_long data)
713 ray_dev_t *local = (ray_dev_t *) data;
714 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
716 struct pcmcia_device *link = local->finder;
718 if (!(pcmcia_dev_present(link))) {
719 DEBUG(2, "ray_cs verify_dl_startup - device not present\n");
726 "verify_dl_startup parameters sent via ccs %d:\n",
727 local->dl_param_ccs);
728 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
730 (unsigned int)readb(local->sram +
731 HOST_TO_ECF_BASE + i));
737 status = readb(&pccs->buffer_status);
738 if (status != CCS_BUFFER_FREE) {
740 "Download startup params failed. Status = %d\n",
742 local->card_status = CARD_DL_PARAM_ERROR;
745 if (local->sparm.b4.a_network_type == ADHOC)
746 start_net((u_long) local);
748 join_net((u_long) local);
751 } /* end verify_dl_startup */
753 /*===========================================================================*/
754 /* Command card to start a network */
755 static void start_net(u_long data)
757 ray_dev_t *local = (ray_dev_t *) data;
758 struct ccs __iomem *pccs;
760 struct pcmcia_device *link = local->finder;
761 if (!(pcmcia_dev_present(link))) {
762 DEBUG(2, "ray_cs start_net - device not present\n");
765 /* Fill in the CCS fields for the ECF */
766 if ((ccsindex = get_free_ccs(local)) < 0)
768 pccs = ccs_base(local) + ccsindex;
769 writeb(CCS_START_NETWORK, &pccs->cmd);
770 writeb(0, &pccs->var.start_network.update_param);
771 /* Interrupt the firmware to process the command */
772 if (interrupt_ecf(local, ccsindex)) {
773 DEBUG(1, "ray start net failed - card not ready for intr\n");
774 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
777 local->card_status = CARD_DOING_ACQ;
779 } /* end start_net */
781 /*===========================================================================*/
782 /* Command card to join a network */
783 static void join_net(u_long data)
785 ray_dev_t *local = (ray_dev_t *) data;
787 struct ccs __iomem *pccs;
789 struct pcmcia_device *link = local->finder;
791 if (!(pcmcia_dev_present(link))) {
792 DEBUG(2, "ray_cs join_net - device not present\n");
795 /* Fill in the CCS fields for the ECF */
796 if ((ccsindex = get_free_ccs(local)) < 0)
798 pccs = ccs_base(local) + ccsindex;
799 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
800 writeb(0, &pccs->var.join_network.update_param);
801 writeb(0, &pccs->var.join_network.net_initiated);
802 /* Interrupt the firmware to process the command */
803 if (interrupt_ecf(local, ccsindex)) {
804 DEBUG(1, "ray join net failed - card not ready for intr\n");
805 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
808 local->card_status = CARD_DOING_ACQ;
812 /*============================================================================
813 After a card is removed, ray_release() will unregister the net
814 device, and release the PCMCIA configuration. If the device is
815 still open, this will be postponed until it is closed.
816 =============================================================================*/
817 static void ray_release(struct pcmcia_device *link)
819 struct net_device *dev = link->priv;
820 ray_dev_t *local = netdev_priv(dev);
823 DEBUG(1, "ray_release(0x%p)\n", link);
825 del_timer(&local->timer);
827 iounmap(local->sram);
828 iounmap(local->rmem);
829 iounmap(local->amem);
830 /* Do bother checking to see if these succeed or not */
831 i = pcmcia_release_window(local->amem_handle);
833 DEBUG(0, "ReleaseWindow(local->amem) ret = %x\n", i);
834 i = pcmcia_release_window(local->rmem_handle);
836 DEBUG(0, "ReleaseWindow(local->rmem) ret = %x\n", i);
837 pcmcia_disable_device(link);
839 DEBUG(2, "ray_release ending\n");
842 static int ray_suspend(struct pcmcia_device *link)
844 struct net_device *dev = link->priv;
847 netif_device_detach(dev);
852 static int ray_resume(struct pcmcia_device *link)
854 struct net_device *dev = link->priv;
858 netif_device_attach(dev);
864 /*===========================================================================*/
865 static int ray_dev_init(struct net_device *dev)
867 #ifdef RAY_IMMEDIATE_INIT
869 #endif /* RAY_IMMEDIATE_INIT */
870 ray_dev_t *local = netdev_priv(dev);
871 struct pcmcia_device *link = local->finder;
873 DEBUG(1, "ray_dev_init(dev=%p)\n", dev);
874 if (!(pcmcia_dev_present(link))) {
875 DEBUG(2, "ray_dev_init - device not present\n");
878 #ifdef RAY_IMMEDIATE_INIT
879 /* Download startup parameters */
880 if ((i = dl_startup_params(dev)) < 0) {
881 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
882 "returns 0x%x\n", i);
885 #else /* RAY_IMMEDIATE_INIT */
886 /* Postpone the card init so that we can still configure the card,
887 * for example using the Wireless Extensions. The init will happen
888 * in ray_open() - Jean II */
890 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
892 #endif /* RAY_IMMEDIATE_INIT */
894 /* copy mac and broadcast addresses to linux device */
895 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
896 memset(dev->broadcast, 0xff, ETH_ALEN);
898 DEBUG(2, "ray_dev_init ending\n");
902 /*===========================================================================*/
903 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
905 ray_dev_t *local = netdev_priv(dev);
906 struct pcmcia_device *link = local->finder;
907 /* Dummy routine to satisfy device structure */
908 DEBUG(1, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
909 if (!(pcmcia_dev_present(link))) {
910 DEBUG(2, "ray_dev_config - device not present\n");
917 /*===========================================================================*/
918 static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev)
920 ray_dev_t *local = netdev_priv(dev);
921 struct pcmcia_device *link = local->finder;
922 short length = skb->len;
924 if (!(pcmcia_dev_present(link))) {
925 DEBUG(2, "ray_dev_start_xmit - device not present\n");
926 return NETDEV_TX_LOCKED;
928 DEBUG(3, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
929 if (local->authentication_state == NEED_TO_AUTH) {
930 DEBUG(0, "ray_cs Sending authentication request.\n");
931 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
932 local->authentication_state = AUTHENTICATED;
933 netif_stop_queue(dev);
934 return NETDEV_TX_BUSY;
938 if (length < ETH_ZLEN) {
939 if (skb_padto(skb, ETH_ZLEN))
943 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
946 netif_stop_queue(dev);
947 return NETDEV_TX_BUSY;
952 dev->trans_start = jiffies;
957 } /* ray_dev_start_xmit */
959 /*===========================================================================*/
960 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
963 ray_dev_t *local = netdev_priv(dev);
964 struct ccs __iomem *pccs;
967 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
968 short int addr; /* Address of xmit buffer in card space */
970 DEBUG(3, "ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
971 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
972 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
976 switch (ccsindex = get_free_tx_ccs(local)) {
978 DEBUG(2, "ray_hw_xmit tx_ccs table busy\n");
980 DEBUG(2, "ray_hw_xmit No free tx ccs\n");
982 netif_stop_queue(dev);
987 addr = TX_BUF_BASE + (ccsindex << 11);
989 if (msg_type == DATA_TYPE) {
990 local->stats.tx_bytes += len;
991 local->stats.tx_packets++;
994 ptx = local->sram + addr;
996 ray_build_header(local, ptx, msg_type, data);
998 offset = translate_frame(local, ptx, data, len);
999 } else { /* Encapsulate frame */
1000 /* TBD TIB length will move address of ptx->var */
1001 memcpy_toio(&ptx->var, data, len);
1005 /* fill in the CCS */
1006 pccs = ccs_base(local) + ccsindex;
1007 len += TX_HEADER_LENGTH + offset;
1008 writeb(CCS_TX_REQUEST, &pccs->cmd);
1009 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
1010 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
1011 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
1012 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
1013 /* TBD still need psm_cam? */
1014 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
1015 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
1016 writeb(0, &pccs->var.tx_request.antenna);
1017 DEBUG(3, "ray_hw_xmit default_tx_rate = 0x%x\n",
1018 local->net_default_tx_rate);
1020 /* Interrupt the firmware to process the command */
1021 if (interrupt_ecf(local, ccsindex)) {
1022 DEBUG(2, "ray_hw_xmit failed - ECF not ready for intr\n");
1023 /* TBD very inefficient to copy packet to buffer, and then not
1024 send it, but the alternative is to queue the messages and that
1025 won't be done for a while. Maybe set tbusy until a CCS is free?
1027 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1028 return XMIT_NO_INTR;
1031 } /* end ray_hw_xmit */
1033 /*===========================================================================*/
1034 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1035 unsigned char *data, int len)
1037 __be16 proto = ((struct ethhdr *)data)->h_proto;
1038 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1039 DEBUG(3, "ray_cs translate_frame DIX II\n");
1040 /* Copy LLC header to card buffer */
1041 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1042 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1043 (UCHAR *) &proto, 2);
1044 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1045 /* This is the selective translation table, only 2 entries */
1047 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1049 /* Copy body of ethernet packet without ethernet header */
1050 memcpy_toio((void __iomem *)&ptx->var +
1051 sizeof(struct snaphdr_t), data + ETH_HLEN,
1053 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1054 } else { /* already 802 type, and proto is length */
1055 DEBUG(3, "ray_cs translate_frame 802\n");
1056 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1057 DEBUG(3, "ray_cs translate_frame evil IPX\n");
1058 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1059 return 0 - ETH_HLEN;
1061 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1062 return 0 - ETH_HLEN;
1064 /* TBD do other frame types */
1065 } /* end translate_frame */
1067 /*===========================================================================*/
1068 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1069 UCHAR msg_type, unsigned char *data)
1071 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1072 /*** IEEE 802.11 Address field assignments *************
1073 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1074 Adhoc 0 0 dest src (terminal) BSSID N/A
1075 AP to Terminal 0 1 dest AP(BSSID) source N/A
1076 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1077 AP to AP 1 1 dest AP src AP dest source
1078 *******************************************************/
1079 if (local->net_type == ADHOC) {
1080 writeb(0, &ptx->mac.frame_ctl_2);
1081 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1083 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1084 } else { /* infrastructure */
1086 if (local->sparm.b4.a_acting_as_ap_status) {
1087 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1088 memcpy_toio(ptx->mac.addr_1,
1089 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1090 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1091 memcpy_toio(ptx->mac.addr_3,
1092 ((struct ethhdr *)data)->h_source, ADDRLEN);
1093 } else { /* Terminal */
1095 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1096 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1097 memcpy_toio(ptx->mac.addr_2,
1098 ((struct ethhdr *)data)->h_source, ADDRLEN);
1099 memcpy_toio(ptx->mac.addr_3,
1100 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1103 } /* end encapsulate_frame */
1105 /*===========================================================================*/
1107 static void netdev_get_drvinfo(struct net_device *dev,
1108 struct ethtool_drvinfo *info)
1110 strcpy(info->driver, "ray_cs");
1113 static const struct ethtool_ops netdev_ethtool_ops = {
1114 .get_drvinfo = netdev_get_drvinfo,
1117 /*====================================================================*/
1119 /*------------------------------------------------------------------*/
1121 * Wireless Handler : get protocol name
1123 static int ray_get_name(struct net_device *dev,
1124 struct iw_request_info *info, char *cwrq, char *extra)
1126 strcpy(cwrq, "IEEE 802.11-FH");
1130 /*------------------------------------------------------------------*/
1132 * Wireless Handler : set frequency
1134 static int ray_set_freq(struct net_device *dev,
1135 struct iw_request_info *info,
1136 struct iw_freq *fwrq, char *extra)
1138 ray_dev_t *local = netdev_priv(dev);
1139 int err = -EINPROGRESS; /* Call commit handler */
1141 /* Reject if card is already initialised */
1142 if (local->card_status != CARD_AWAITING_PARAM)
1145 /* Setting by channel number */
1146 if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
1149 local->sparm.b5.a_hop_pattern = fwrq->m;
1154 /*------------------------------------------------------------------*/
1156 * Wireless Handler : get frequency
1158 static int ray_get_freq(struct net_device *dev,
1159 struct iw_request_info *info,
1160 struct iw_freq *fwrq, char *extra)
1162 ray_dev_t *local = netdev_priv(dev);
1164 fwrq->m = local->sparm.b5.a_hop_pattern;
1169 /*------------------------------------------------------------------*/
1171 * Wireless Handler : set ESSID
1173 static int ray_set_essid(struct net_device *dev,
1174 struct iw_request_info *info,
1175 struct iw_point *dwrq, char *extra)
1177 ray_dev_t *local = netdev_priv(dev);
1179 /* Reject if card is already initialised */
1180 if (local->card_status != CARD_AWAITING_PARAM)
1183 /* Check if we asked for `any' */
1184 if (dwrq->flags == 0) {
1185 /* Corey : can you do that ? */
1188 /* Check the size of the string */
1189 if (dwrq->length > IW_ESSID_MAX_SIZE) {
1193 /* Set the ESSID in the card */
1194 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1195 memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
1198 return -EINPROGRESS; /* Call commit handler */
1201 /*------------------------------------------------------------------*/
1203 * Wireless Handler : get ESSID
1205 static int ray_get_essid(struct net_device *dev,
1206 struct iw_request_info *info,
1207 struct iw_point *dwrq, char *extra)
1209 ray_dev_t *local = netdev_priv(dev);
1211 /* Get the essid that was set */
1212 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1215 dwrq->length = strlen(extra);
1216 dwrq->flags = 1; /* active */
1221 /*------------------------------------------------------------------*/
1223 * Wireless Handler : get AP address
1225 static int ray_get_wap(struct net_device *dev,
1226 struct iw_request_info *info,
1227 struct sockaddr *awrq, char *extra)
1229 ray_dev_t *local = netdev_priv(dev);
1231 memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
1232 awrq->sa_family = ARPHRD_ETHER;
1237 /*------------------------------------------------------------------*/
1239 * Wireless Handler : set Bit-Rate
1241 static int ray_set_rate(struct net_device *dev,
1242 struct iw_request_info *info,
1243 struct iw_param *vwrq, char *extra)
1245 ray_dev_t *local = netdev_priv(dev);
1247 /* Reject if card is already initialised */
1248 if (local->card_status != CARD_AWAITING_PARAM)
1251 /* Check if rate is in range */
1252 if ((vwrq->value != 1000000) && (vwrq->value != 2000000))
1255 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1256 if ((local->fw_ver == 0x55) && /* Please check */
1257 (vwrq->value == 2000000))
1258 local->net_default_tx_rate = 3;
1260 local->net_default_tx_rate = vwrq->value / 500000;
1265 /*------------------------------------------------------------------*/
1267 * Wireless Handler : get Bit-Rate
1269 static int ray_get_rate(struct net_device *dev,
1270 struct iw_request_info *info,
1271 struct iw_param *vwrq, char *extra)
1273 ray_dev_t *local = netdev_priv(dev);
1275 if (local->net_default_tx_rate == 3)
1276 vwrq->value = 2000000; /* Hum... */
1278 vwrq->value = local->net_default_tx_rate * 500000;
1279 vwrq->fixed = 0; /* We are in auto mode */
1284 /*------------------------------------------------------------------*/
1286 * Wireless Handler : set RTS threshold
1288 static int ray_set_rts(struct net_device *dev,
1289 struct iw_request_info *info,
1290 struct iw_param *vwrq, char *extra)
1292 ray_dev_t *local = netdev_priv(dev);
1293 int rthr = vwrq->value;
1295 /* Reject if card is already initialised */
1296 if (local->card_status != CARD_AWAITING_PARAM)
1299 /* if(wrq->u.rts.fixed == 0) we should complain */
1303 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1306 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1307 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1309 return -EINPROGRESS; /* Call commit handler */
1312 /*------------------------------------------------------------------*/
1314 * Wireless Handler : get RTS threshold
1316 static int ray_get_rts(struct net_device *dev,
1317 struct iw_request_info *info,
1318 struct iw_param *vwrq, char *extra)
1320 ray_dev_t *local = netdev_priv(dev);
1322 vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
1323 + local->sparm.b5.a_rts_threshold[1];
1324 vwrq->disabled = (vwrq->value == 32767);
1330 /*------------------------------------------------------------------*/
1332 * Wireless Handler : set Fragmentation threshold
1334 static int ray_set_frag(struct net_device *dev,
1335 struct iw_request_info *info,
1336 struct iw_param *vwrq, char *extra)
1338 ray_dev_t *local = netdev_priv(dev);
1339 int fthr = vwrq->value;
1341 /* Reject if card is already initialised */
1342 if (local->card_status != CARD_AWAITING_PARAM)
1345 /* if(wrq->u.frag.fixed == 0) should complain */
1349 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1352 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1353 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1355 return -EINPROGRESS; /* Call commit handler */
1358 /*------------------------------------------------------------------*/
1360 * Wireless Handler : get Fragmentation threshold
1362 static int ray_get_frag(struct net_device *dev,
1363 struct iw_request_info *info,
1364 struct iw_param *vwrq, char *extra)
1366 ray_dev_t *local = netdev_priv(dev);
1368 vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
1369 + local->sparm.b5.a_frag_threshold[1];
1370 vwrq->disabled = (vwrq->value == 32767);
1376 /*------------------------------------------------------------------*/
1378 * Wireless Handler : set Mode of Operation
1380 static int ray_set_mode(struct net_device *dev,
1381 struct iw_request_info *info, __u32 *uwrq, char *extra)
1383 ray_dev_t *local = netdev_priv(dev);
1384 int err = -EINPROGRESS; /* Call commit handler */
1387 /* Reject if card is already initialised */
1388 if (local->card_status != CARD_AWAITING_PARAM)
1396 local->sparm.b5.a_network_type = card_mode;
1405 /*------------------------------------------------------------------*/
1407 * Wireless Handler : get Mode of Operation
1409 static int ray_get_mode(struct net_device *dev,
1410 struct iw_request_info *info, __u32 *uwrq, char *extra)
1412 ray_dev_t *local = netdev_priv(dev);
1414 if (local->sparm.b5.a_network_type)
1415 *uwrq = IW_MODE_INFRA;
1417 *uwrq = IW_MODE_ADHOC;
1422 /*------------------------------------------------------------------*/
1424 * Wireless Handler : get range info
1426 static int ray_get_range(struct net_device *dev,
1427 struct iw_request_info *info,
1428 struct iw_point *dwrq, char *extra)
1430 struct iw_range *range = (struct iw_range *)extra;
1432 memset((char *)range, 0, sizeof(struct iw_range));
1434 /* Set the length (very important for backward compatibility) */
1435 dwrq->length = sizeof(struct iw_range);
1437 /* Set the Wireless Extension versions */
1438 range->we_version_compiled = WIRELESS_EXT;
1439 range->we_version_source = 9;
1441 /* Set information in the range struct */
1442 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1443 range->num_channels = hop_pattern_length[(int)country];
1444 range->num_frequency = 0;
1445 range->max_qual.qual = 0;
1446 range->max_qual.level = 255; /* What's the correct value ? */
1447 range->max_qual.noise = 255; /* Idem */
1448 range->num_bitrates = 2;
1449 range->bitrate[0] = 1000000; /* 1 Mb/s */
1450 range->bitrate[1] = 2000000; /* 2 Mb/s */
1454 /*------------------------------------------------------------------*/
1456 * Wireless Private Handler : set framing mode
1458 static int ray_set_framing(struct net_device *dev,
1459 struct iw_request_info *info,
1460 union iwreq_data *wrqu, char *extra)
1462 translate = *(extra); /* Set framing mode */
1467 /*------------------------------------------------------------------*/
1469 * Wireless Private Handler : get framing mode
1471 static int ray_get_framing(struct net_device *dev,
1472 struct iw_request_info *info,
1473 union iwreq_data *wrqu, char *extra)
1475 *(extra) = translate;
1480 /*------------------------------------------------------------------*/
1482 * Wireless Private Handler : get country
1484 static int ray_get_country(struct net_device *dev,
1485 struct iw_request_info *info,
1486 union iwreq_data *wrqu, char *extra)
1493 /*------------------------------------------------------------------*/
1495 * Commit handler : called after a bunch of SET operations
1497 static int ray_commit(struct net_device *dev, struct iw_request_info *info, /* NULL */
1498 void *zwrq, /* NULL */
1504 /*------------------------------------------------------------------*/
1506 * Stats handler : return Wireless Stats
1508 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1510 ray_dev_t *local = netdev_priv(dev);
1511 struct pcmcia_device *link = local->finder;
1512 struct status __iomem *p = local->sram + STATUS_BASE;
1514 if (local == (ray_dev_t *) NULL)
1515 return (iw_stats *) NULL;
1517 local->wstats.status = local->card_status;
1519 if ((local->spy_data.spy_number > 0)
1520 && (local->sparm.b5.a_network_type == 0)) {
1521 /* Get it from the first node in spy list */
1522 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1523 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1524 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1525 local->wstats.qual.updated =
1526 local->spy_data.spy_stat[0].updated;
1528 #endif /* WIRELESS_SPY */
1530 if (pcmcia_dev_present(link)) {
1531 local->wstats.qual.noise = readb(&p->rxnoise);
1532 local->wstats.qual.updated |= 4;
1535 return &local->wstats;
1536 } /* end ray_get_wireless_stats */
1538 /*------------------------------------------------------------------*/
1540 * Structures to export the Wireless Handlers
1543 static const iw_handler ray_handler[] = {
1544 [SIOCSIWCOMMIT - SIOCIWFIRST] = (iw_handler) ray_commit,
1545 [SIOCGIWNAME - SIOCIWFIRST] = (iw_handler) ray_get_name,
1546 [SIOCSIWFREQ - SIOCIWFIRST] = (iw_handler) ray_set_freq,
1547 [SIOCGIWFREQ - SIOCIWFIRST] = (iw_handler) ray_get_freq,
1548 [SIOCSIWMODE - SIOCIWFIRST] = (iw_handler) ray_set_mode,
1549 [SIOCGIWMODE - SIOCIWFIRST] = (iw_handler) ray_get_mode,
1550 [SIOCGIWRANGE - SIOCIWFIRST] = (iw_handler) ray_get_range,
1552 [SIOCSIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
1553 [SIOCGIWSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
1554 [SIOCSIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
1555 [SIOCGIWTHRSPY - SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
1556 #endif /* WIRELESS_SPY */
1557 [SIOCGIWAP - SIOCIWFIRST] = (iw_handler) ray_get_wap,
1558 [SIOCSIWESSID - SIOCIWFIRST] = (iw_handler) ray_set_essid,
1559 [SIOCGIWESSID - SIOCIWFIRST] = (iw_handler) ray_get_essid,
1560 [SIOCSIWRATE - SIOCIWFIRST] = (iw_handler) ray_set_rate,
1561 [SIOCGIWRATE - SIOCIWFIRST] = (iw_handler) ray_get_rate,
1562 [SIOCSIWRTS - SIOCIWFIRST] = (iw_handler) ray_set_rts,
1563 [SIOCGIWRTS - SIOCIWFIRST] = (iw_handler) ray_get_rts,
1564 [SIOCSIWFRAG - SIOCIWFIRST] = (iw_handler) ray_set_frag,
1565 [SIOCGIWFRAG - SIOCIWFIRST] = (iw_handler) ray_get_frag,
1568 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1569 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1570 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1572 static const iw_handler ray_private_handler[] = {
1573 [0] = (iw_handler) ray_set_framing,
1574 [1] = (iw_handler) ray_get_framing,
1575 [3] = (iw_handler) ray_get_country,
1578 static const struct iw_priv_args ray_private_args[] = {
1579 /* cmd, set_args, get_args, name */
1580 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1582 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1584 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1588 static const struct iw_handler_def ray_handler_def = {
1589 .num_standard = ARRAY_SIZE(ray_handler),
1590 .num_private = ARRAY_SIZE(ray_private_handler),
1591 .num_private_args = ARRAY_SIZE(ray_private_args),
1592 .standard = ray_handler,
1593 .private = ray_private_handler,
1594 .private_args = ray_private_args,
1595 .get_wireless_stats = ray_get_wireless_stats,
1598 /*===========================================================================*/
1599 static int ray_open(struct net_device *dev)
1601 ray_dev_t *local = netdev_priv(dev);
1602 struct pcmcia_device *link;
1603 link = local->finder;
1605 DEBUG(1, "ray_open('%s')\n", dev->name);
1607 if (link->open == 0)
1608 local->num_multi = 0;
1611 /* If the card is not started, time to start it ! - Jean II */
1612 if (local->card_status == CARD_AWAITING_PARAM) {
1615 DEBUG(1, "ray_open: doing init now !\n");
1617 /* Download startup parameters */
1618 if ((i = dl_startup_params(dev)) < 0) {
1620 "ray_dev_init dl_startup_params failed - "
1621 "returns 0x%x\n", i);
1627 netif_stop_queue(dev);
1629 netif_start_queue(dev);
1631 DEBUG(2, "ray_open ending\n");
1633 } /* end ray_open */
1635 /*===========================================================================*/
1636 static int ray_dev_close(struct net_device *dev)
1638 ray_dev_t *local = netdev_priv(dev);
1639 struct pcmcia_device *link;
1640 link = local->finder;
1642 DEBUG(1, "ray_dev_close('%s')\n", dev->name);
1645 netif_stop_queue(dev);
1647 /* In here, we should stop the hardware (stop card from beeing active)
1648 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1649 * card is closed we can chage its configuration.
1650 * Probably also need a COR reset to get sane state - Jean II */
1653 } /* end ray_dev_close */
1655 /*===========================================================================*/
1656 static void ray_reset(struct net_device *dev)
1658 DEBUG(1, "ray_reset entered\n");
1662 /*===========================================================================*/
1663 /* Cause a firmware interrupt if it is ready for one */
1664 /* Return nonzero if not ready */
1665 static int interrupt_ecf(ray_dev_t *local, int ccs)
1668 struct pcmcia_device *link = local->finder;
1670 if (!(pcmcia_dev_present(link))) {
1671 DEBUG(2, "ray_cs interrupt_ecf - device not present\n");
1674 DEBUG(2, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1677 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1681 DEBUG(2, "ray_cs interrupt_ecf card not ready for interrupt\n");
1684 /* Fill the mailbox, then kick the card */
1685 writeb(ccs, local->sram + SCB_BASE);
1686 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1688 } /* interrupt_ecf */
1690 /*===========================================================================*/
1691 /* Get next free transmit CCS */
1692 /* Return - index of current tx ccs */
1693 static int get_free_tx_ccs(ray_dev_t *local)
1696 struct ccs __iomem *pccs = ccs_base(local);
1697 struct pcmcia_device *link = local->finder;
1699 if (!(pcmcia_dev_present(link))) {
1700 DEBUG(2, "ray_cs get_free_tx_ccs - device not present\n");
1704 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1705 DEBUG(1, "ray_cs tx_ccs_lock busy\n");
1709 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1710 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1711 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1712 writeb(CCS_END_LIST, &(pccs + i)->link);
1713 local->tx_ccs_lock = 0;
1717 local->tx_ccs_lock = 0;
1718 DEBUG(2, "ray_cs ERROR no free tx CCS for raylink card\n");
1720 } /* get_free_tx_ccs */
1722 /*===========================================================================*/
1723 /* Get next free CCS */
1724 /* Return - index of current ccs */
1725 static int get_free_ccs(ray_dev_t *local)
1728 struct ccs __iomem *pccs = ccs_base(local);
1729 struct pcmcia_device *link = local->finder;
1731 if (!(pcmcia_dev_present(link))) {
1732 DEBUG(2, "ray_cs get_free_ccs - device not present\n");
1735 if (test_and_set_bit(0, &local->ccs_lock)) {
1736 DEBUG(1, "ray_cs ccs_lock busy\n");
1740 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1741 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1742 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1743 writeb(CCS_END_LIST, &(pccs + i)->link);
1744 local->ccs_lock = 0;
1748 local->ccs_lock = 0;
1749 DEBUG(1, "ray_cs ERROR no free CCS for raylink card\n");
1751 } /* get_free_ccs */
1753 /*===========================================================================*/
1754 static void authenticate_timeout(u_long data)
1756 ray_dev_t *local = (ray_dev_t *) data;
1757 del_timer(&local->timer);
1758 printk(KERN_INFO "ray_cs Authentication with access point failed"
1760 join_net((u_long) local);
1763 /*===========================================================================*/
1764 static int asc_to_int(char a)
1773 return (10 + a - 'A');
1777 return (10 + a - 'a');
1781 /*===========================================================================*/
1782 static int parse_addr(char *in_str, UCHAR *out)
1790 if ((len = strlen(in_str)) < 2)
1792 memset(out, 0, ADDRLEN);
1801 if ((k = asc_to_int(in_str[j--])) != -1)
1808 if ((k = asc_to_int(in_str[j--])) != -1)
1818 /*===========================================================================*/
1819 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1821 ray_dev_t *local = netdev_priv(dev);
1822 struct pcmcia_device *link = local->finder;
1823 struct status __iomem *p = local->sram + STATUS_BASE;
1824 if (!(pcmcia_dev_present(link))) {
1825 DEBUG(2, "ray_cs net_device_stats - device not present\n");
1826 return &local->stats;
1828 if (readb(&p->mrx_overflow_for_host)) {
1829 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1830 writeb(0, &p->mrx_overflow);
1831 writeb(0, &p->mrx_overflow_for_host);
1833 if (readb(&p->mrx_checksum_error_for_host)) {
1834 local->stats.rx_crc_errors +=
1835 swab16(readw(&p->mrx_checksum_error));
1836 writeb(0, &p->mrx_checksum_error);
1837 writeb(0, &p->mrx_checksum_error_for_host);
1839 if (readb(&p->rx_hec_error_for_host)) {
1840 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1841 writeb(0, &p->rx_hec_error);
1842 writeb(0, &p->rx_hec_error_for_host);
1844 return &local->stats;
1847 /*===========================================================================*/
1848 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1851 ray_dev_t *local = netdev_priv(dev);
1852 struct pcmcia_device *link = local->finder;
1855 struct ccs __iomem *pccs;
1857 if (!(pcmcia_dev_present(link))) {
1858 DEBUG(2, "ray_update_parm - device not present\n");
1862 if ((ccsindex = get_free_ccs(local)) < 0) {
1863 DEBUG(0, "ray_update_parm - No free ccs\n");
1866 pccs = ccs_base(local) + ccsindex;
1867 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1868 writeb(objid, &pccs->var.update_param.object_id);
1869 writeb(1, &pccs->var.update_param.number_objects);
1870 writeb(0, &pccs->var.update_param.failure_cause);
1871 for (i = 0; i < len; i++) {
1872 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1874 /* Interrupt the firmware to process the command */
1875 if (interrupt_ecf(local, ccsindex)) {
1876 DEBUG(0, "ray_cs associate failed - ECF not ready for intr\n");
1877 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1881 /*===========================================================================*/
1882 static void ray_update_multi_list(struct net_device *dev, int all)
1884 struct dev_mc_list *dmi, **dmip;
1886 struct ccs __iomem *pccs;
1888 ray_dev_t *local = netdev_priv(dev);
1889 struct pcmcia_device *link = local->finder;
1890 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1892 if (!(pcmcia_dev_present(link))) {
1893 DEBUG(2, "ray_update_multi_list - device not present\n");
1896 DEBUG(2, "ray_update_multi_list(%p)\n", dev);
1897 if ((ccsindex = get_free_ccs(local)) < 0) {
1898 DEBUG(1, "ray_update_multi - No free ccs\n");
1901 pccs = ccs_base(local) + ccsindex;
1902 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1905 writeb(0xff, &pccs->var);
1906 local->num_multi = 0xff;
1908 /* Copy the kernel's list of MC addresses to card */
1909 for (dmip = &dev->mc_list; (dmi = *dmip) != NULL;
1910 dmip = &dmi->next) {
1911 memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
1913 "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1914 dmi->dmi_addr[0], dmi->dmi_addr[1],
1915 dmi->dmi_addr[2], dmi->dmi_addr[3],
1916 dmi->dmi_addr[4], dmi->dmi_addr[5]);
1920 if (i > 256 / ADDRLEN)
1922 writeb((UCHAR) i, &pccs->var);
1923 DEBUG(1, "ray_cs update_multi %d addresses in list\n", i);
1924 /* Interrupt the firmware to process the command */
1925 local->num_multi = i;
1927 if (interrupt_ecf(local, ccsindex)) {
1929 "ray_cs update_multi failed - ECF not ready for intr\n");
1930 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1932 } /* end ray_update_multi_list */
1934 /*===========================================================================*/
1935 static void set_multicast_list(struct net_device *dev)
1937 ray_dev_t *local = netdev_priv(dev);
1940 DEBUG(2, "ray_cs set_multicast_list(%p)\n", dev);
1942 if (dev->flags & IFF_PROMISC) {
1943 if (local->sparm.b5.a_promiscuous_mode == 0) {
1944 DEBUG(1, "ray_cs set_multicast_list promisc on\n");
1945 local->sparm.b5.a_promiscuous_mode = 1;
1947 ray_update_parm(dev, OBJID_promiscuous_mode,
1948 &promisc, sizeof(promisc));
1951 if (local->sparm.b5.a_promiscuous_mode == 1) {
1952 DEBUG(1, "ray_cs set_multicast_list promisc off\n");
1953 local->sparm.b5.a_promiscuous_mode = 0;
1955 ray_update_parm(dev, OBJID_promiscuous_mode,
1956 &promisc, sizeof(promisc));
1960 if (dev->flags & IFF_ALLMULTI)
1961 ray_update_multi_list(dev, 1);
1963 if (local->num_multi != dev->mc_count)
1964 ray_update_multi_list(dev, 0);
1966 } /* end set_multicast_list */
1968 /*=============================================================================
1969 * All routines below here are run at interrupt time.
1970 =============================================================================*/
1971 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1973 struct net_device *dev = (struct net_device *)dev_id;
1974 struct pcmcia_device *link;
1976 struct ccs __iomem *pccs;
1977 struct rcs __iomem *prcs;
1983 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1986 DEBUG(4, "ray_cs: interrupt for *dev=%p\n", dev);
1988 local = netdev_priv(dev);
1989 link = (struct pcmcia_device *)local->finder;
1990 if (!pcmcia_dev_present(link)) {
1992 "ray_cs interrupt from device not present or suspended.\n");
1995 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1997 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1998 DEBUG(1, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1999 clear_interrupt(local);
2002 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
2003 pccs = ccs_base(local) + rcsindex;
2004 cmd = readb(&pccs->cmd);
2005 status = readb(&pccs->buffer_status);
2007 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
2008 del_timer(&local->timer);
2009 if (status == CCS_COMMAND_COMPLETE) {
2011 "ray_cs interrupt download_startup_parameters OK\n");
2014 "ray_cs interrupt download_startup_parameters fail\n");
2017 case CCS_UPDATE_PARAMS:
2018 DEBUG(1, "ray_cs interrupt update params done\n");
2019 if (status != CCS_COMMAND_COMPLETE) {
2021 readb(&pccs->var.update_param.
2024 "ray_cs interrupt update params failed - reason %d\n",
2028 case CCS_REPORT_PARAMS:
2029 DEBUG(1, "ray_cs interrupt report params done\n");
2031 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
2033 "ray_cs interrupt CCS Update Multicast List done\n");
2035 case CCS_UPDATE_POWER_SAVINGS_MODE:
2037 "ray_cs interrupt update power save mode done\n");
2039 case CCS_START_NETWORK:
2040 case CCS_JOIN_NETWORK:
2041 if (status == CCS_COMMAND_COMPLETE) {
2043 (&pccs->var.start_network.net_initiated) ==
2046 "ray_cs interrupt network \"%s\" started\n",
2047 local->sparm.b4.a_current_ess_id);
2050 "ray_cs interrupt network \"%s\" joined\n",
2051 local->sparm.b4.a_current_ess_id);
2053 memcpy_fromio(&local->bss_id,
2054 pccs->var.start_network.bssid,
2057 if (local->fw_ver == 0x55)
2058 local->net_default_tx_rate = 3;
2060 local->net_default_tx_rate =
2061 readb(&pccs->var.start_network.
2062 net_default_tx_rate);
2064 readb(&pccs->var.start_network.encryption);
2065 if (!sniffer && (local->net_type == INFRA)
2066 && !(local->sparm.b4.a_acting_as_ap_status)) {
2067 authenticate(local);
2069 local->card_status = CARD_ACQ_COMPLETE;
2071 local->card_status = CARD_ACQ_FAILED;
2073 del_timer(&local->timer);
2074 local->timer.expires = jiffies + HZ * 5;
2075 local->timer.data = (long)local;
2076 if (status == CCS_START_NETWORK) {
2078 "ray_cs interrupt network \"%s\" start failed\n",
2079 local->sparm.b4.a_current_ess_id);
2080 local->timer.function = &start_net;
2083 "ray_cs interrupt network \"%s\" join failed\n",
2084 local->sparm.b4.a_current_ess_id);
2085 local->timer.function = &join_net;
2087 add_timer(&local->timer);
2090 case CCS_START_ASSOCIATION:
2091 if (status == CCS_COMMAND_COMPLETE) {
2092 local->card_status = CARD_ASSOC_COMPLETE;
2093 DEBUG(0, "ray_cs association successful\n");
2095 DEBUG(0, "ray_cs association failed,\n");
2096 local->card_status = CARD_ASSOC_FAILED;
2097 join_net((u_long) local);
2100 case CCS_TX_REQUEST:
2101 if (status == CCS_COMMAND_COMPLETE) {
2103 "ray_cs interrupt tx request complete\n");
2106 "ray_cs interrupt tx request failed\n");
2109 netif_start_queue(dev);
2110 netif_wake_queue(dev);
2112 case CCS_TEST_MEMORY:
2113 DEBUG(1, "ray_cs interrupt mem test done\n");
2117 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2119 case CCS_DUMP_MEMORY:
2120 DEBUG(1, "ray_cs interrupt dump memory done\n");
2122 case CCS_START_TIMER:
2124 "ray_cs interrupt DING - raylink timer expired\n");
2128 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2131 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2132 } else { /* It's an RCS */
2134 prcs = rcs_base(local) + rcsindex;
2136 switch (readb(&prcs->interrupt_id)) {
2137 case PROCESS_RX_PACKET:
2138 ray_rx(dev, local, prcs);
2140 case REJOIN_NET_COMPLETE:
2141 DEBUG(1, "ray_cs interrupt rejoin net complete\n");
2142 local->card_status = CARD_ACQ_COMPLETE;
2143 /* do we need to clear tx buffers CCS's? */
2144 if (local->sparm.b4.a_network_type == ADHOC) {
2146 netif_start_queue(dev);
2148 memcpy_fromio(&local->bss_id,
2149 prcs->var.rejoin_net_complete.
2152 "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2153 local->bss_id[0], local->bss_id[1],
2154 local->bss_id[2], local->bss_id[3],
2155 local->bss_id[4], local->bss_id[5]);
2157 authenticate(local);
2160 case ROAMING_INITIATED:
2161 DEBUG(1, "ray_cs interrupt roaming initiated\n");
2162 netif_stop_queue(dev);
2163 local->card_status = CARD_DOING_ACQ;
2165 case JAPAN_CALL_SIGN_RXD:
2166 DEBUG(1, "ray_cs interrupt japan call sign rx\n");
2170 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2172 (unsigned int)readb(&prcs->interrupt_id));
2175 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2177 clear_interrupt(local);
2179 } /* ray_interrupt */
2181 /*===========================================================================*/
2182 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2183 struct rcs __iomem *prcs)
2186 unsigned int pkt_addr;
2188 DEBUG(4, "ray_rx process rx packet\n");
2190 /* Calculate address of packet within Rx buffer */
2191 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2192 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2193 /* Length of first packet fragment */
2194 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2195 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2197 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2198 pmsg = local->rmem + pkt_addr;
2199 switch (readb(pmsg)) {
2201 DEBUG(4, "ray_rx data type\n");
2202 rx_data(dev, prcs, pkt_addr, rx_len);
2204 case AUTHENTIC_TYPE:
2205 DEBUG(4, "ray_rx authentic type\n");
2207 rx_data(dev, prcs, pkt_addr, rx_len);
2209 rx_authenticate(local, prcs, pkt_addr, rx_len);
2211 case DEAUTHENTIC_TYPE:
2212 DEBUG(4, "ray_rx deauth type\n");
2214 rx_data(dev, prcs, pkt_addr, rx_len);
2216 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2219 DEBUG(3, "ray_cs rx NULL msg\n");
2222 DEBUG(4, "ray_rx beacon type\n");
2224 rx_data(dev, prcs, pkt_addr, rx_len);
2226 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2227 rx_len < sizeof(struct beacon_rx) ?
2228 rx_len : sizeof(struct beacon_rx));
2230 local->beacon_rxed = 1;
2231 /* Get the statistics so the card counters never overflow */
2235 DEBUG(0, "ray_cs unknown pkt type %2x\n",
2236 (unsigned int)readb(pmsg));
2242 /*===========================================================================*/
2243 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2244 unsigned int pkt_addr, int rx_len)
2246 struct sk_buff *skb = NULL;
2247 struct rcs __iomem *prcslink = prcs;
2248 ray_dev_t *local = netdev_priv(dev);
2253 int siglev = local->last_rsl;
2254 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2259 /* TBD length needs fixing for translated header */
2260 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2262 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2265 "ray_cs invalid packet length %d received \n",
2269 } else { /* encapsulated ethernet */
2271 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2273 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2276 "ray_cs invalid packet length %d received \n",
2282 DEBUG(4, "ray_cs rx_data packet\n");
2283 /* If fragmented packet, verify sizes of fragments add up */
2284 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2285 DEBUG(1, "ray_cs rx'ed fragment\n");
2286 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2287 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2292 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2294 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2295 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2298 prcslink = rcs_base(local)
2299 + readb(&prcslink->link_field);
2304 "ray_cs rx_data fragment lengths don't add up\n");
2305 local->stats.rx_dropped++;
2306 release_frag_chain(local, prcs);
2309 } else { /* Single unfragmented packet */
2313 skb = dev_alloc_skb(total_len + 5);
2315 DEBUG(0, "ray_cs rx_data could not allocate skb\n");
2316 local->stats.rx_dropped++;
2317 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2318 release_frag_chain(local, prcs);
2321 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2323 DEBUG(4, "ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2326 /************************/
2327 /* Reserve enough room for the whole damn packet. */
2328 rx_ptr = skb_put(skb, total_len);
2329 /* Copy the whole packet to sk_buff */
2331 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2332 /* Get source address */
2334 skb_copy_from_linear_data_offset(skb,
2335 offsetof(struct mac_header, addr_2),
2336 linksrcaddr, ETH_ALEN);
2338 /* Now, deal with encapsulation/translation/sniffer */
2341 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2342 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2343 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2345 /* Do translation */
2346 untranslate(local, skb, total_len);
2348 } else { /* sniffer mode, so just pass whole packet */
2351 /************************/
2352 /* Now pick up the rest of the fragments if any */
2354 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2356 DEBUG(1, "ray_cs rx_data in fragment loop\n");
2358 prcslink = rcs_base(local)
2360 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2362 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2365 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2368 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2370 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2374 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2377 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2379 release_frag_chain(local, prcs);
2382 skb->protocol = eth_type_trans(skb, dev);
2384 local->stats.rx_packets++;
2385 local->stats.rx_bytes += total_len;
2387 /* Gather signal strength per address */
2389 /* For the Access Point or the node having started the ad-hoc net
2390 * note : ad-hoc work only in some specific configurations, but we
2391 * kludge in ray_get_wireless_stats... */
2392 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2393 /* Update statistics */
2394 /*local->wstats.qual.qual = none ? */
2395 local->wstats.qual.level = siglev;
2396 /*local->wstats.qual.noise = none ? */
2397 local->wstats.qual.updated = 0x2;
2399 /* Now, update the spy stuff */
2401 struct iw_quality wstats;
2402 wstats.level = siglev;
2403 /* wstats.noise = none ? */
2404 /* wstats.qual = none ? */
2405 wstats.updated = 0x2;
2406 /* Update spy records */
2407 wireless_spy_update(dev, linksrcaddr, &wstats);
2409 #endif /* WIRELESS_SPY */
2412 /*===========================================================================*/
2413 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2415 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2416 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2417 __be16 type = *(__be16 *) psnap->ethertype;
2419 struct ethhdr *peth;
2420 UCHAR srcaddr[ADDRLEN];
2421 UCHAR destaddr[ADDRLEN];
2422 static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2423 static UCHAR org_1042[3] = { 0, 0, 0 };
2425 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2426 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2430 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2431 DUMP_PREFIX_NONE, 16, 1,
2432 skb->data, 64, true);
2434 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2435 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2436 psnap->org[0], psnap->org[1], psnap->org[2]);
2437 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2441 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2442 /* not a snap type so leave it alone */
2443 DEBUG(3, "ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2444 psnap->dsap, psnap->ssap, psnap->ctrl);
2446 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2447 peth = (struct ethhdr *)(skb->data + delta);
2448 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2449 } else { /* Its a SNAP */
2450 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2451 /* EtherII and nuke the LLC */
2452 DEBUG(3, "ray_cs untranslate Bridge encap\n");
2453 delta = RX_MAC_HEADER_LENGTH
2454 + sizeof(struct snaphdr_t) - ETH_HLEN;
2455 peth = (struct ethhdr *)(skb->data + delta);
2456 peth->h_proto = type;
2457 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2458 switch (ntohs(type)) {
2461 DEBUG(3, "ray_cs untranslate RFC IPX/AARP\n");
2462 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2463 peth = (struct ethhdr *)(skb->data + delta);
2465 htons(len - RX_MAC_HEADER_LENGTH);
2468 DEBUG(3, "ray_cs untranslate RFC default\n");
2469 delta = RX_MAC_HEADER_LENGTH +
2470 sizeof(struct snaphdr_t) - ETH_HLEN;
2471 peth = (struct ethhdr *)(skb->data + delta);
2472 peth->h_proto = type;
2476 printk("ray_cs untranslate very confused by packet\n");
2477 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2478 peth = (struct ethhdr *)(skb->data + delta);
2479 peth->h_proto = type;
2482 /* TBD reserve skb_reserve(skb, delta); */
2483 skb_pull(skb, delta);
2484 DEBUG(3, "untranslate after skb_pull(%d), skb->data = %p\n", delta,
2486 memcpy(peth->h_dest, destaddr, ADDRLEN);
2487 memcpy(peth->h_source, srcaddr, ADDRLEN);
2491 printk(KERN_DEBUG "skb->data after untranslate:");
2492 for (i = 0; i < 64; i++)
2493 printk("%02x ", skb->data[i]);
2497 } /* end untranslate */
2499 /*===========================================================================*/
2500 /* Copy data from circular receive buffer to PC memory.
2501 * dest = destination address in PC memory
2502 * pkt_addr = source address in receive buffer
2503 * len = length of packet to copy
2505 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2508 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2509 if (wrap_bytes <= 0) {
2510 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2511 } else { /* Packet wrapped in circular buffer */
2513 memcpy_fromio(dest, local->rmem + pkt_addr,
2514 length - wrap_bytes);
2515 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2521 /*===========================================================================*/
2522 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2524 struct rcs __iomem *prcslink = prcs;
2526 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2529 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2530 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2531 DEBUG(1, "ray_cs interrupt bad rcsindex = 0x%x\n",
2535 prcslink = rcs_base(local) + rcsindex;
2536 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2538 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2541 /*===========================================================================*/
2542 static void authenticate(ray_dev_t *local)
2544 struct pcmcia_device *link = local->finder;
2545 DEBUG(0, "ray_cs Starting authentication.\n");
2546 if (!(pcmcia_dev_present(link))) {
2547 DEBUG(2, "ray_cs authenticate - device not present\n");
2551 del_timer(&local->timer);
2552 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2553 local->timer.function = &join_net;
2555 local->timer.function = &authenticate_timeout;
2557 local->timer.expires = jiffies + HZ * 2;
2558 local->timer.data = (long)local;
2559 add_timer(&local->timer);
2560 local->authentication_state = AWAITING_RESPONSE;
2561 } /* end authenticate */
2563 /*===========================================================================*/
2564 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2565 unsigned int pkt_addr, int rx_len)
2568 struct rx_msg *msg = (struct rx_msg *)buff;
2570 del_timer(&local->timer);
2572 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2573 /* if we are trying to get authenticated */
2574 if (local->sparm.b4.a_network_type == ADHOC) {
2575 DEBUG(1, "ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2576 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2577 msg->var[4], msg->var[5]);
2578 if (msg->var[2] == 1) {
2579 DEBUG(0, "ray_cs Sending authentication response.\n");
2580 if (!build_auth_frame
2581 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2582 local->authentication_state = NEED_TO_AUTH;
2583 memcpy(local->auth_id, msg->mac.addr_2,
2587 } else { /* Infrastructure network */
2589 if (local->authentication_state == AWAITING_RESPONSE) {
2590 /* Verify authentication sequence #2 and success */
2591 if (msg->var[2] == 2) {
2592 if ((msg->var[3] | msg->var[4]) == 0) {
2593 DEBUG(1, "Authentication successful\n");
2594 local->card_status = CARD_AUTH_COMPLETE;
2596 local->authentication_state =
2599 DEBUG(0, "Authentication refused\n");
2600 local->card_status = CARD_AUTH_REFUSED;
2601 join_net((u_long) local);
2602 local->authentication_state =
2609 } /* end rx_authenticate */
2611 /*===========================================================================*/
2612 static void associate(ray_dev_t *local)
2614 struct ccs __iomem *pccs;
2615 struct pcmcia_device *link = local->finder;
2616 struct net_device *dev = link->priv;
2618 if (!(pcmcia_dev_present(link))) {
2619 DEBUG(2, "ray_cs associate - device not present\n");
2622 /* If no tx buffers available, return */
2623 if ((ccsindex = get_free_ccs(local)) < 0) {
2624 /* TBD should never be here but... what if we are? */
2625 DEBUG(1, "ray_cs associate - No free ccs\n");
2628 DEBUG(1, "ray_cs Starting association with access point\n");
2629 pccs = ccs_base(local) + ccsindex;
2630 /* fill in the CCS */
2631 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2632 /* Interrupt the firmware to process the command */
2633 if (interrupt_ecf(local, ccsindex)) {
2634 DEBUG(1, "ray_cs associate failed - ECF not ready for intr\n");
2635 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2637 del_timer(&local->timer);
2638 local->timer.expires = jiffies + HZ * 2;
2639 local->timer.data = (long)local;
2640 local->timer.function = &join_net;
2641 add_timer(&local->timer);
2642 local->card_status = CARD_ASSOC_FAILED;
2646 netif_start_queue(dev);
2648 } /* end associate */
2650 /*===========================================================================*/
2651 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2652 unsigned int pkt_addr, int rx_len)
2655 struct rx_msg *msg = (struct rx_msg *)buff;
2657 DEBUG(0, "Deauthentication frame received\n");
2658 local->authentication_state = UNAUTHENTICATED;
2659 /* Need to reauthenticate or rejoin depending on reason code */
2660 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2664 /*===========================================================================*/
2665 static void clear_interrupt(ray_dev_t *local)
2667 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2670 /*===========================================================================*/
2671 #ifdef CONFIG_PROC_FS
2672 #define MAXDATA (PAGE_SIZE - 80)
2674 static char *card_status[] = {
2675 "Card inserted - uninitialized", /* 0 */
2676 "Card not downloaded", /* 1 */
2677 "Waiting for download parameters", /* 2 */
2678 "Card doing acquisition", /* 3 */
2679 "Acquisition complete", /* 4 */
2680 "Authentication complete", /* 5 */
2681 "Association complete", /* 6 */
2682 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2683 "Card init error", /* 11 */
2684 "Download parameters error", /* 12 */
2686 "Acquisition failed", /* 14 */
2687 "Authentication refused", /* 15 */
2688 "Association failed" /* 16 */
2691 static char *nettype[] = { "Adhoc", "Infra " };
2692 static char *framing[] = { "Encapsulation", "Translation" }
2695 /*===========================================================================*/
2696 static int ray_cs_proc_show(struct seq_file *m, void *v)
2698 /* Print current values which are not available via other means
2702 struct pcmcia_device *link;
2703 struct net_device *dev;
2706 struct freq_hop_element *pfh;
2712 dev = (struct net_device *)link->priv;
2715 local = netdev_priv(dev);
2719 seq_puts(m, "Raylink Wireless LAN driver status\n");
2720 seq_printf(m, "%s\n", rcsid);
2721 /* build 4 does not report version, and field is 0x55 after memtest */
2722 seq_puts(m, "Firmware version = ");
2723 if (local->fw_ver == 0x55)
2724 seq_puts(m, "4 - Use dump_cis for more details\n");
2726 seq_printf(m, "%2d.%02d.%02d\n",
2727 local->fw_ver, local->fw_bld, local->fw_var);
2729 for (i = 0; i < 32; i++)
2730 c[i] = local->sparm.b5.a_current_ess_id[i];
2732 seq_printf(m, "%s network ESSID = \"%s\"\n",
2733 nettype[local->sparm.b5.a_network_type], c);
2736 seq_printf(m, "BSSID = %pM\n", p);
2738 seq_printf(m, "Country code = %d\n",
2739 local->sparm.b5.a_curr_country_code);
2741 i = local->card_status;
2746 seq_printf(m, "Card status = %s\n", card_status[i]);
2748 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2750 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2752 if (local->beacon_rxed) {
2753 /* Pull some fields out of last beacon received */
2754 seq_printf(m, "Beacon Interval = %d Kus\n",
2755 local->last_bcn.beacon_intvl[0]
2756 + 256 * local->last_bcn.beacon_intvl[1]);
2758 p = local->last_bcn.elements;
2759 if (p[0] == C_ESSID_ELEMENT_ID)
2763 "Parse beacon failed at essid element id = %d\n",
2768 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2769 seq_puts(m, "Supported rate codes = ");
2770 for (i = 2; i < p[1] + 2; i++)
2771 seq_printf(m, "0x%02x ", p[i]);
2775 seq_puts(m, "Parse beacon failed at rates element\n");
2779 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2780 pfh = (struct freq_hop_element *)p;
2781 seq_printf(m, "Hop dwell = %d Kus\n",
2782 pfh->dwell_time[0] +
2783 256 * pfh->dwell_time[1]);
2784 seq_printf(m, "Hop set = %d \n",
2786 seq_printf(m, "Hop pattern = %d \n",
2788 seq_printf(m, "Hop index = %d \n",
2793 "Parse beacon failed at FH param element\n");
2797 seq_puts(m, "No beacons received\n");
2802 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2804 return single_open(file, ray_cs_proc_show, NULL);
2807 static const struct file_operations ray_cs_proc_fops = {
2808 .owner = THIS_MODULE,
2809 .open = ray_cs_proc_open,
2811 .llseek = seq_lseek,
2812 .release = single_release,
2815 /*===========================================================================*/
2816 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2819 struct ccs __iomem *pccs;
2820 struct tx_msg __iomem *ptx;
2823 /* If no tx buffers available, return */
2824 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2825 DEBUG(1, "ray_cs send authenticate - No free tx ccs\n");
2829 pccs = ccs_base(local) + ccsindex;
2831 /* Address in card space */
2832 addr = TX_BUF_BASE + (ccsindex << 11);
2833 /* fill in the CCS */
2834 writeb(CCS_TX_REQUEST, &pccs->cmd);
2835 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2836 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2837 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2838 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2839 pccs->var.tx_request.tx_data_length + 1);
2840 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2842 ptx = local->sram + addr;
2843 /* fill in the mac header */
2844 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2845 writeb(0, &ptx->mac.frame_ctl_2);
2847 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2848 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2849 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2851 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2852 memset_io(ptx->var, 0, 6);
2853 writeb(auth_type & 0xff, ptx->var + 2);
2855 /* Interrupt the firmware to process the command */
2856 if (interrupt_ecf(local, ccsindex)) {
2858 "ray_cs send authentication request failed - ECF not ready for intr\n");
2859 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2863 } /* End build_auth_frame */
2865 /*===========================================================================*/
2866 #ifdef CONFIG_PROC_FS
2867 static void raycs_write(const char *name, write_proc_t *w, void *data)
2869 struct proc_dir_entry *entry =
2870 create_proc_entry(name, S_IFREG | S_IWUSR, NULL);
2872 entry->write_proc = w;
2877 static int write_essid(struct file *file, const char __user *buffer,
2878 unsigned long count, void *data)
2880 static char proc_essid[33];
2885 memset(proc_essid, 0, 33);
2886 if (copy_from_user(proc_essid, buffer, len))
2892 static int write_int(struct file *file, const char __user *buffer,
2893 unsigned long count, void *data)
2895 static char proc_number[10];
2904 if (copy_from_user(proc_number, buffer, count))
2910 unsigned int c = *p - '0';
2921 static struct pcmcia_device_id ray_ids[] = {
2922 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2926 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2928 static struct pcmcia_driver ray_driver = {
2929 .owner = THIS_MODULE,
2934 .remove = ray_detach,
2935 .id_table = ray_ids,
2936 .suspend = ray_suspend,
2937 .resume = ray_resume,
2940 static int __init init_ray_cs(void)
2944 DEBUG(1, "%s\n", rcsid);
2945 rc = pcmcia_register_driver(&ray_driver);
2946 DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",
2949 #ifdef CONFIG_PROC_FS
2950 proc_mkdir("driver/ray_cs", NULL);
2952 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2953 raycs_write("driver/ray_cs/essid", write_essid, NULL);
2954 raycs_write("driver/ray_cs/net_type", write_int, &net_type);
2955 raycs_write("driver/ray_cs/translate", write_int, &translate);
2962 /*===========================================================================*/
2964 static void __exit exit_ray_cs(void)
2966 DEBUG(0, "ray_cs: cleanup_module\n");
2968 #ifdef CONFIG_PROC_FS
2969 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2970 remove_proc_entry("driver/ray_cs/essid", NULL);
2971 remove_proc_entry("driver/ray_cs/net_type", NULL);
2972 remove_proc_entry("driver/ray_cs/translate", NULL);
2973 remove_proc_entry("driver/ray_cs", NULL);
2976 pcmcia_unregister_driver(&ray_driver);
2979 module_init(init_ray_cs);
2980 module_exit(exit_ray_cs);
2982 /*===========================================================================*/