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, see <http://www.gnu.org/licenses/>.
23 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
24 * - reorganize kmallocs in ray_attach, checking all for failure
25 * and releasing the previous allocations if one fails
27 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
28 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
30 =============================================================================*/
32 #include <linux/module.h>
33 #include <linux/kernel.h>
34 #include <linux/proc_fs.h>
35 #include <linux/ptrace.h>
36 #include <linux/seq_file.h>
37 #include <linux/string.h>
38 #include <linux/timer.h>
39 #include <linux/init.h>
40 #include <linux/netdevice.h>
41 #include <linux/etherdevice.h>
42 #include <linux/if_arp.h>
43 #include <linux/ioport.h>
44 #include <linux/skbuff.h>
45 #include <linux/ieee80211.h>
47 #include <pcmcia/cistpl.h>
48 #include <pcmcia/cisreg.h>
49 #include <pcmcia/ds.h>
51 #include <linux/wireless.h>
52 #include <net/iw_handler.h>
55 #include <asm/byteorder.h>
56 #include <linux/uaccess.h>
58 /* Warning : these stuff will slow down the driver... */
59 #define WIRELESS_SPY /* Enable spying addresses */
60 /* Definitions we need for spy */
61 typedef struct iw_statistics iw_stats;
62 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
68 /** Prototypes based on PCMCIA skeleton driver *******************************/
69 static int ray_config(struct pcmcia_device *link);
70 static void ray_release(struct pcmcia_device *link);
71 static void ray_detach(struct pcmcia_device *p_dev);
73 /***** Prototypes indicated by device structure ******************************/
74 static int ray_dev_close(struct net_device *dev);
75 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
76 static struct net_device_stats *ray_get_stats(struct net_device *dev);
77 static int ray_dev_init(struct net_device *dev);
79 static int ray_open(struct net_device *dev);
80 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
81 struct net_device *dev);
82 static void set_multicast_list(struct net_device *dev);
83 static void ray_update_multi_list(struct net_device *dev, int all);
84 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
85 unsigned char *data, int len);
86 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
87 UCHAR msg_type, unsigned char *data);
88 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
89 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
90 static const struct iw_handler_def ray_handler_def;
92 /***** Prototypes for raylink functions **************************************/
93 static void authenticate(ray_dev_t *local);
94 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
95 static void authenticate_timeout(u_long);
96 static int get_free_ccs(ray_dev_t *local);
97 static int get_free_tx_ccs(ray_dev_t *local);
98 static void init_startup_params(ray_dev_t *local);
99 static int parse_addr(char *in_str, UCHAR *out);
100 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
101 static int ray_init(struct net_device *dev);
102 static int interrupt_ecf(ray_dev_t *local, int ccs);
103 static void ray_reset(struct net_device *dev);
104 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
105 static void verify_dl_startup(u_long);
107 /* Prototypes for interrpt time functions **********************************/
108 static irqreturn_t ray_interrupt(int reg, void *dev_id);
109 static void clear_interrupt(ray_dev_t *local);
110 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
111 unsigned int pkt_addr, int rx_len);
112 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
113 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
114 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
115 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
116 unsigned int pkt_addr, int rx_len);
117 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
118 unsigned int pkt_addr, int rx_len);
119 static void associate(ray_dev_t *local);
121 /* Card command functions */
122 static int dl_startup_params(struct net_device *dev);
123 static void join_net(u_long local);
124 static void start_net(u_long local);
125 /* void start_net(ray_dev_t *local); */
127 /*===========================================================================*/
128 /* Parameters that can be set with 'insmod' */
130 /* ADHOC=0, Infrastructure=1 */
131 static int net_type = ADHOC;
133 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
134 static int hop_dwell = 128;
136 /* Beacon period in Kus */
137 static int beacon_period = 256;
139 /* power save mode (0 = off, 1 = save power) */
142 /* String for network's Extended Service Set ID. 32 Characters max */
145 /* Default to encapsulation unless translation requested */
146 static bool translate = true;
148 static int country = USA;
154 /* 48 bit physical card address if overriding card's real physical
155 * address is required. Since IEEE 802.11 addresses are 48 bits
156 * like ethernet, an int can't be used, so a string is used. To
157 * allow use of addresses starting with a decimal digit, the first
158 * character must be a letter and will be ignored. This letter is
159 * followed by up to 12 hex digits which are the address. If less
160 * than 12 digits are used, the address will be left filled with 0's.
161 * Note that bit 0 of the first byte is the broadcast bit, and evil
162 * things will happen if it is not 0 in a card address.
164 static char *phy_addr = NULL;
166 static unsigned int ray_mem_speed = 500;
168 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
169 static struct pcmcia_device *this_device = NULL;
171 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
172 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
173 MODULE_LICENSE("GPL");
175 module_param(net_type, int, 0);
176 module_param(hop_dwell, int, 0);
177 module_param(beacon_period, int, 0);
178 module_param(psm, int, 0);
179 module_param(essid, charp, 0);
180 module_param(translate, bool, 0);
181 module_param(country, int, 0);
182 module_param(sniffer, int, 0);
183 module_param(bc, int, 0);
184 module_param(phy_addr, charp, 0);
185 module_param(ray_mem_speed, int, 0);
187 static const UCHAR b5_default_startup_parms[] = {
188 0, 0, /* Adhoc station */
189 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
190 0, 0, 0, 0, 0, 0, 0, 0,
191 0, 0, 0, 0, 0, 0, 0, 0,
192 0, 0, 0, 0, 0, 0, 0, 0,
193 1, 0, /* Active scan, CA Mode */
194 0, 0, 0, 0, 0, 0, /* No default MAC addr */
195 0x7f, 0xff, /* Frag threshold */
196 0x00, 0x80, /* Hop time 128 Kus */
197 0x01, 0x00, /* Beacon period 256 Kus */
198 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
199 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
200 0x7f, 0xff, /* RTS threshold */
201 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
202 0x05, /* assoc resp timeout thresh */
203 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
204 0, /* Promiscuous mode */
205 0x0c, 0x0bd, /* Unique word */
206 0x32, /* Slot time */
207 0xff, 0xff, /* roam-low snr, low snr count */
208 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
209 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
210 /* b4 - b5 differences start here */
211 0x00, 0x3f, /* CW max */
212 0x00, 0x0f, /* CW min */
213 0x04, 0x08, /* Noise gain, limit offset */
214 0x28, 0x28, /* det rssi, med busy offsets */
215 7, /* det sync thresh */
216 0, 2, 2, /* test mode, min, max */
217 0, /* allow broadcast SSID probe resp */
218 0, 0, /* privacy must start, can join */
219 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
222 static const UCHAR b4_default_startup_parms[] = {
223 0, 0, /* Adhoc station */
224 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
225 0, 0, 0, 0, 0, 0, 0, 0,
226 0, 0, 0, 0, 0, 0, 0, 0,
227 0, 0, 0, 0, 0, 0, 0, 0,
228 1, 0, /* Active scan, CA Mode */
229 0, 0, 0, 0, 0, 0, /* No default MAC addr */
230 0x7f, 0xff, /* Frag threshold */
231 0x02, 0x00, /* Hop time */
232 0x00, 0x01, /* Beacon period */
233 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
234 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
235 0x7f, 0xff, /* RTS threshold */
236 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
237 0x05, /* assoc resp timeout thresh */
238 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
239 0, /* Promiscuous mode */
240 0x0c, 0x0bd, /* Unique word */
241 0x4e, /* Slot time (TBD seems wrong) */
242 0xff, 0xff, /* roam-low snr, low snr count */
243 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
244 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
245 /* b4 - b5 differences start here */
246 0x3f, 0x0f, /* CW max, min */
247 0x04, 0x08, /* Noise gain, limit offset */
248 0x28, 0x28, /* det rssi, med busy offsets */
249 7, /* det sync thresh */
250 0, 2, 2, /* test mode, min, max */
252 0, 0, 0, 0, 0, 0, /* current BSS id */
256 /*===========================================================================*/
257 static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
259 static const char hop_pattern_length[] = { 1,
260 USA_HOP_MOD, EUROPE_HOP_MOD,
261 JAPAN_HOP_MOD, KOREA_HOP_MOD,
262 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
263 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
267 static const char rcsid[] =
268 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
270 static const struct net_device_ops ray_netdev_ops = {
271 .ndo_init = ray_dev_init,
272 .ndo_open = ray_open,
273 .ndo_stop = ray_dev_close,
274 .ndo_start_xmit = ray_dev_start_xmit,
275 .ndo_set_config = ray_dev_config,
276 .ndo_get_stats = ray_get_stats,
277 .ndo_set_rx_mode = set_multicast_list,
278 .ndo_set_mac_address = eth_mac_addr,
279 .ndo_validate_addr = eth_validate_addr,
282 static int ray_probe(struct pcmcia_device *p_dev)
285 struct net_device *dev;
287 dev_dbg(&p_dev->dev, "ray_attach()\n");
289 /* Allocate space for private device-specific data */
290 dev = alloc_etherdev(sizeof(ray_dev_t));
294 local = netdev_priv(dev);
295 local->finder = p_dev;
297 /* The io structure describes IO port mapping. None used here */
298 p_dev->resource[0]->end = 0;
299 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
301 /* General socket configuration */
302 p_dev->config_flags |= CONF_ENABLE_IRQ;
303 p_dev->config_index = 1;
307 local->finder = p_dev;
308 local->card_status = CARD_INSERTED;
309 local->authentication_state = UNAUTHENTICATED;
310 local->num_multi = 0;
311 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
312 p_dev, dev, local, &ray_interrupt);
314 /* Raylink entries in the device structure */
315 dev->netdev_ops = &ray_netdev_ops;
316 dev->wireless_handlers = &ray_handler_def;
318 local->wireless_data.spy_data = &local->spy_data;
319 dev->wireless_data = &local->wireless_data;
320 #endif /* WIRELESS_SPY */
323 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
324 netif_stop_queue(dev);
326 init_timer(&local->timer);
329 return ray_config(p_dev);
335 static void ray_detach(struct pcmcia_device *link)
337 struct net_device *dev;
340 dev_dbg(&link->dev, "ray_detach\n");
347 local = netdev_priv(dev);
348 del_timer_sync(&local->timer);
351 unregister_netdev(dev);
354 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
357 #define MAX_TUPLE_SIZE 128
358 static int ray_config(struct pcmcia_device *link)
362 struct net_device *dev = (struct net_device *)link->priv;
363 ray_dev_t *local = netdev_priv(dev);
365 dev_dbg(&link->dev, "ray_config\n");
367 /* Determine card type and firmware version */
368 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
369 link->prod_id[0] ? link->prod_id[0] : " ",
370 link->prod_id[1] ? link->prod_id[1] : " ",
371 link->prod_id[2] ? link->prod_id[2] : " ",
372 link->prod_id[3] ? link->prod_id[3] : " ");
374 /* Now allocate an interrupt line. Note that this does not
375 actually assign a handler to the interrupt.
377 ret = pcmcia_request_irq(link, ray_interrupt);
380 dev->irq = link->irq;
382 ret = pcmcia_enable_device(link);
386 /*** Set up 32k window for shared memory (transmit and control) ************/
387 link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
388 link->resource[2]->start = 0;
389 link->resource[2]->end = 0x8000;
390 ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed);
393 ret = pcmcia_map_mem_page(link, link->resource[2], 0);
396 local->sram = ioremap(link->resource[2]->start,
397 resource_size(link->resource[2]));
401 /*** Set up 16k window for shared memory (receive buffer) ***************/
402 link->resource[3]->flags |=
403 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
404 link->resource[3]->start = 0;
405 link->resource[3]->end = 0x4000;
406 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
409 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
412 local->rmem = ioremap(link->resource[3]->start,
413 resource_size(link->resource[3]));
417 /*** Set up window for attribute memory ***********************************/
418 link->resource[4]->flags |=
419 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
420 link->resource[4]->start = 0;
421 link->resource[4]->end = 0x1000;
422 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
425 ret = pcmcia_map_mem_page(link, link->resource[4], 0);
428 local->amem = ioremap(link->resource[4]->start,
429 resource_size(link->resource[4]));
433 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
434 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
435 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
436 if (ray_init(dev) < 0) {
441 SET_NETDEV_DEV(dev, &link->dev);
442 i = register_netdev(dev);
444 printk("ray_config register_netdev() failed\n");
449 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
450 dev->name, dev->irq, dev->dev_addr);
459 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
461 return dev->sram + CCS_BASE;
464 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
467 * This looks nonsensical, since there is a separate
468 * RCS_BASE. But the difference between a "struct rcs"
469 * and a "struct ccs" ends up being in the _index_ off
470 * the base, so the base pointer is the same for both
473 return dev->sram + CCS_BASE;
476 /*===========================================================================*/
477 static int ray_init(struct net_device *dev)
481 struct ccs __iomem *pccs;
482 ray_dev_t *local = netdev_priv(dev);
483 struct pcmcia_device *link = local->finder;
484 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
485 if (!(pcmcia_dev_present(link))) {
486 dev_dbg(&link->dev, "ray_init - device not present\n");
490 local->net_type = net_type;
491 local->sta_type = TYPE_STA;
493 /* Copy the startup results to local memory */
494 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
495 sizeof(struct startup_res_6));
497 /* Check Power up test status and get mac address from card */
498 if (local->startup_res.startup_word != 0x80) {
499 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
500 local->startup_res.startup_word);
501 local->card_status = CARD_INIT_ERROR;
505 local->fw_ver = local->startup_res.firmware_version[0];
506 local->fw_bld = local->startup_res.firmware_version[1];
507 local->fw_var = local->startup_res.firmware_version[2];
508 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
511 local->tib_length = 0x20;
512 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
513 local->tib_length = local->startup_res.tib_length;
514 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
515 /* Initialize CCS's to buffer free state */
516 pccs = ccs_base(local);
517 for (i = 0; i < NUMBER_OF_CCS; i++) {
518 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
520 init_startup_params(local);
522 /* copy mac address to startup parameters */
523 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
524 p = local->sparm.b4.a_mac_addr;
526 memcpy(&local->sparm.b4.a_mac_addr,
527 &local->startup_res.station_addr, ADDRLEN);
528 p = local->sparm.b4.a_mac_addr;
531 clear_interrupt(local); /* Clear any interrupt from the card */
532 local->card_status = CARD_AWAITING_PARAM;
533 dev_dbg(&link->dev, "ray_init ending\n");
537 /*===========================================================================*/
538 /* Download startup parameters to the card and command it to read them */
539 static int dl_startup_params(struct net_device *dev)
542 ray_dev_t *local = netdev_priv(dev);
543 struct ccs __iomem *pccs;
544 struct pcmcia_device *link = local->finder;
546 dev_dbg(&link->dev, "dl_startup_params entered\n");
547 if (!(pcmcia_dev_present(link))) {
548 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
552 /* Copy parameters to host to ECF area */
553 if (local->fw_ver == 0x55)
554 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
555 sizeof(struct b4_startup_params));
557 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
558 sizeof(struct b5_startup_params));
560 /* Fill in the CCS fields for the ECF */
561 if ((ccsindex = get_free_ccs(local)) < 0)
563 local->dl_param_ccs = ccsindex;
564 pccs = ccs_base(local) + ccsindex;
565 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
566 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
567 local->dl_param_ccs);
568 /* Interrupt the firmware to process the command */
569 if (interrupt_ecf(local, ccsindex)) {
570 printk(KERN_INFO "ray dl_startup_params failed - "
571 "ECF not ready for intr\n");
572 local->card_status = CARD_DL_PARAM_ERROR;
573 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
576 local->card_status = CARD_DL_PARAM;
577 /* Start kernel timer to wait for dl startup to complete. */
578 local->timer.expires = jiffies + HZ / 2;
579 local->timer.data = (long)local;
580 local->timer.function = verify_dl_startup;
581 add_timer(&local->timer);
583 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
585 } /* dl_startup_params */
587 /*===========================================================================*/
588 static void init_startup_params(ray_dev_t *local)
592 if (country > JAPAN_TEST)
594 else if (country < USA)
596 /* structure for hop time and beacon period is defined here using
597 * New 802.11D6.1 format. Card firmware is still using old format
600 * a_hop_time ms byte a_hop_time ms byte
601 * a_hop_time 2s byte a_hop_time ls byte
602 * a_hop_time ls byte a_beacon_period ms byte
603 * a_beacon_period a_beacon_period ls byte
605 * a_hop_time = uS a_hop_time = KuS
606 * a_beacon_period = hops a_beacon_period = KuS
607 *//* 64ms = 010000 */
608 if (local->fw_ver == 0x55) {
609 memcpy(&local->sparm.b4, b4_default_startup_parms,
610 sizeof(struct b4_startup_params));
611 /* Translate sane kus input values to old build 4/5 format */
612 /* i = hop time in uS truncated to 3 bytes */
613 i = (hop_dwell * 1024) & 0xffffff;
614 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
615 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
616 local->sparm.b4.a_beacon_period[0] = 0;
617 local->sparm.b4.a_beacon_period[1] =
618 ((beacon_period / hop_dwell) - 1) & 0xff;
619 local->sparm.b4.a_curr_country_code = country;
620 local->sparm.b4.a_hop_pattern_length =
621 hop_pattern_length[(int)country] - 1;
623 local->sparm.b4.a_ack_timeout = 0x50;
624 local->sparm.b4.a_sifs = 0x3f;
626 } else { /* Version 5 uses real kus values */
627 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
628 sizeof(struct b5_startup_params));
630 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
631 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
632 local->sparm.b5.a_beacon_period[0] =
633 (beacon_period >> 8) & 0xff;
634 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
636 local->sparm.b5.a_power_mgt_state = 1;
637 local->sparm.b5.a_curr_country_code = country;
638 local->sparm.b5.a_hop_pattern_length =
639 hop_pattern_length[(int)country];
642 local->sparm.b4.a_network_type = net_type & 0x01;
643 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
646 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
647 } /* init_startup_params */
649 /*===========================================================================*/
650 static void verify_dl_startup(u_long data)
652 ray_dev_t *local = (ray_dev_t *) data;
653 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
655 struct pcmcia_device *link = local->finder;
657 if (!(pcmcia_dev_present(link))) {
658 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
665 "verify_dl_startup parameters sent via ccs %d:\n",
666 local->dl_param_ccs);
667 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
669 (unsigned int)readb(local->sram +
670 HOST_TO_ECF_BASE + i));
676 status = readb(&pccs->buffer_status);
677 if (status != CCS_BUFFER_FREE) {
679 "Download startup params failed. Status = %d\n",
681 local->card_status = CARD_DL_PARAM_ERROR;
684 if (local->sparm.b4.a_network_type == ADHOC)
685 start_net((u_long) local);
687 join_net((u_long) local);
688 } /* end verify_dl_startup */
690 /*===========================================================================*/
691 /* Command card to start a network */
692 static void start_net(u_long data)
694 ray_dev_t *local = (ray_dev_t *) data;
695 struct ccs __iomem *pccs;
697 struct pcmcia_device *link = local->finder;
698 if (!(pcmcia_dev_present(link))) {
699 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
702 /* Fill in the CCS fields for the ECF */
703 if ((ccsindex = get_free_ccs(local)) < 0)
705 pccs = ccs_base(local) + ccsindex;
706 writeb(CCS_START_NETWORK, &pccs->cmd);
707 writeb(0, &pccs->var.start_network.update_param);
708 /* Interrupt the firmware to process the command */
709 if (interrupt_ecf(local, ccsindex)) {
710 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
711 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
714 local->card_status = CARD_DOING_ACQ;
715 } /* end start_net */
717 /*===========================================================================*/
718 /* Command card to join a network */
719 static void join_net(u_long data)
721 ray_dev_t *local = (ray_dev_t *) data;
723 struct ccs __iomem *pccs;
725 struct pcmcia_device *link = local->finder;
727 if (!(pcmcia_dev_present(link))) {
728 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
731 /* Fill in the CCS fields for the ECF */
732 if ((ccsindex = get_free_ccs(local)) < 0)
734 pccs = ccs_base(local) + ccsindex;
735 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
736 writeb(0, &pccs->var.join_network.update_param);
737 writeb(0, &pccs->var.join_network.net_initiated);
738 /* Interrupt the firmware to process the command */
739 if (interrupt_ecf(local, ccsindex)) {
740 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
741 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
744 local->card_status = CARD_DOING_ACQ;
748 static void ray_release(struct pcmcia_device *link)
750 struct net_device *dev = link->priv;
751 ray_dev_t *local = netdev_priv(dev);
753 dev_dbg(&link->dev, "ray_release\n");
755 del_timer(&local->timer);
757 iounmap(local->sram);
758 iounmap(local->rmem);
759 iounmap(local->amem);
760 pcmcia_disable_device(link);
762 dev_dbg(&link->dev, "ray_release ending\n");
765 static int ray_suspend(struct pcmcia_device *link)
767 struct net_device *dev = link->priv;
770 netif_device_detach(dev);
775 static int ray_resume(struct pcmcia_device *link)
777 struct net_device *dev = link->priv;
781 netif_device_attach(dev);
787 /*===========================================================================*/
788 static int ray_dev_init(struct net_device *dev)
790 #ifdef RAY_IMMEDIATE_INIT
792 #endif /* RAY_IMMEDIATE_INIT */
793 ray_dev_t *local = netdev_priv(dev);
794 struct pcmcia_device *link = local->finder;
796 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
797 if (!(pcmcia_dev_present(link))) {
798 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
801 #ifdef RAY_IMMEDIATE_INIT
802 /* Download startup parameters */
803 if ((i = dl_startup_params(dev)) < 0) {
804 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
805 "returns 0x%x\n", i);
808 #else /* RAY_IMMEDIATE_INIT */
809 /* Postpone the card init so that we can still configure the card,
810 * for example using the Wireless Extensions. The init will happen
811 * in ray_open() - Jean II */
813 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
815 #endif /* RAY_IMMEDIATE_INIT */
817 /* copy mac and broadcast addresses to linux device */
818 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
819 eth_broadcast_addr(dev->broadcast);
821 dev_dbg(&link->dev, "ray_dev_init ending\n");
825 /*===========================================================================*/
826 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
828 ray_dev_t *local = netdev_priv(dev);
829 struct pcmcia_device *link = local->finder;
830 /* Dummy routine to satisfy device structure */
831 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
832 if (!(pcmcia_dev_present(link))) {
833 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
840 /*===========================================================================*/
841 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
842 struct net_device *dev)
844 ray_dev_t *local = netdev_priv(dev);
845 struct pcmcia_device *link = local->finder;
846 short length = skb->len;
848 if (!pcmcia_dev_present(link)) {
849 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
854 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
855 if (local->authentication_state == NEED_TO_AUTH) {
856 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
857 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
858 local->authentication_state = AUTHENTICATED;
859 netif_stop_queue(dev);
860 return NETDEV_TX_BUSY;
864 if (length < ETH_ZLEN) {
865 if (skb_padto(skb, ETH_ZLEN))
869 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
872 netif_stop_queue(dev);
873 return NETDEV_TX_BUSY;
882 } /* ray_dev_start_xmit */
884 /*===========================================================================*/
885 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
888 ray_dev_t *local = netdev_priv(dev);
889 struct ccs __iomem *pccs;
892 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
893 short int addr; /* Address of xmit buffer in card space */
895 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
896 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
897 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
901 switch (ccsindex = get_free_tx_ccs(local)) {
903 pr_debug("ray_hw_xmit tx_ccs table busy\n");
905 pr_debug("ray_hw_xmit No free tx ccs\n");
907 netif_stop_queue(dev);
912 addr = TX_BUF_BASE + (ccsindex << 11);
914 if (msg_type == DATA_TYPE) {
915 local->stats.tx_bytes += len;
916 local->stats.tx_packets++;
919 ptx = local->sram + addr;
921 ray_build_header(local, ptx, msg_type, data);
923 offset = translate_frame(local, ptx, data, len);
924 } else { /* Encapsulate frame */
925 /* TBD TIB length will move address of ptx->var */
926 memcpy_toio(&ptx->var, data, len);
930 /* fill in the CCS */
931 pccs = ccs_base(local) + ccsindex;
932 len += TX_HEADER_LENGTH + offset;
933 writeb(CCS_TX_REQUEST, &pccs->cmd);
934 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
935 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
936 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
937 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
938 /* TBD still need psm_cam? */
939 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
940 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
941 writeb(0, &pccs->var.tx_request.antenna);
942 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
943 local->net_default_tx_rate);
945 /* Interrupt the firmware to process the command */
946 if (interrupt_ecf(local, ccsindex)) {
947 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
948 /* TBD very inefficient to copy packet to buffer, and then not
949 send it, but the alternative is to queue the messages and that
950 won't be done for a while. Maybe set tbusy until a CCS is free?
952 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
956 } /* end ray_hw_xmit */
958 /*===========================================================================*/
959 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
960 unsigned char *data, int len)
962 __be16 proto = ((struct ethhdr *)data)->h_proto;
963 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
964 pr_debug("ray_cs translate_frame DIX II\n");
965 /* Copy LLC header to card buffer */
966 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
967 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
968 (UCHAR *) &proto, 2);
969 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
970 /* This is the selective translation table, only 2 entries */
972 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
974 /* Copy body of ethernet packet without ethernet header */
975 memcpy_toio((void __iomem *)&ptx->var +
976 sizeof(struct snaphdr_t), data + ETH_HLEN,
978 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
979 } else { /* already 802 type, and proto is length */
980 pr_debug("ray_cs translate_frame 802\n");
981 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
982 pr_debug("ray_cs translate_frame evil IPX\n");
983 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
986 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
989 /* TBD do other frame types */
990 } /* end translate_frame */
992 /*===========================================================================*/
993 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
994 UCHAR msg_type, unsigned char *data)
996 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
997 /*** IEEE 802.11 Address field assignments *************
998 TODS FROMDS addr_1 addr_2 addr_3 addr_4
999 Adhoc 0 0 dest src (terminal) BSSID N/A
1000 AP to Terminal 0 1 dest AP(BSSID) source N/A
1001 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1002 AP to AP 1 1 dest AP src AP dest source
1003 *******************************************************/
1004 if (local->net_type == ADHOC) {
1005 writeb(0, &ptx->mac.frame_ctl_2);
1006 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1008 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1009 } else { /* infrastructure */
1011 if (local->sparm.b4.a_acting_as_ap_status) {
1012 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1013 memcpy_toio(ptx->mac.addr_1,
1014 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1015 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1016 memcpy_toio(ptx->mac.addr_3,
1017 ((struct ethhdr *)data)->h_source, ADDRLEN);
1018 } else { /* Terminal */
1020 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1021 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1022 memcpy_toio(ptx->mac.addr_2,
1023 ((struct ethhdr *)data)->h_source, ADDRLEN);
1024 memcpy_toio(ptx->mac.addr_3,
1025 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1028 } /* end encapsulate_frame */
1030 /*====================================================================*/
1032 /*------------------------------------------------------------------*/
1034 * Wireless Handler : get protocol name
1036 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1037 union iwreq_data *wrqu, char *extra)
1039 strcpy(wrqu->name, "IEEE 802.11-FH");
1043 /*------------------------------------------------------------------*/
1045 * Wireless Handler : set frequency
1047 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1048 union iwreq_data *wrqu, char *extra)
1050 ray_dev_t *local = netdev_priv(dev);
1051 int err = -EINPROGRESS; /* Call commit handler */
1053 /* Reject if card is already initialised */
1054 if (local->card_status != CARD_AWAITING_PARAM)
1057 /* Setting by channel number */
1058 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1061 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1066 /*------------------------------------------------------------------*/
1068 * Wireless Handler : get frequency
1070 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1071 union iwreq_data *wrqu, char *extra)
1073 ray_dev_t *local = netdev_priv(dev);
1075 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1080 /*------------------------------------------------------------------*/
1082 * Wireless Handler : set ESSID
1084 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1085 union iwreq_data *wrqu, char *extra)
1087 ray_dev_t *local = netdev_priv(dev);
1089 /* Reject if card is already initialised */
1090 if (local->card_status != CARD_AWAITING_PARAM)
1093 /* Check if we asked for `any' */
1094 if (wrqu->essid.flags == 0)
1095 /* Corey : can you do that ? */
1098 /* Check the size of the string */
1099 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1102 /* Set the ESSID in the card */
1103 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1104 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1106 return -EINPROGRESS; /* Call commit handler */
1109 /*------------------------------------------------------------------*/
1111 * Wireless Handler : get ESSID
1113 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1114 union iwreq_data *wrqu, char *extra)
1116 ray_dev_t *local = netdev_priv(dev);
1117 UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1119 /* Get the essid that was set */
1120 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1121 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1122 tmp[IW_ESSID_MAX_SIZE] = '\0';
1125 wrqu->essid.length = strlen(tmp);
1126 wrqu->essid.flags = 1; /* active */
1131 /*------------------------------------------------------------------*/
1133 * Wireless Handler : get AP address
1135 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1136 union iwreq_data *wrqu, char *extra)
1138 ray_dev_t *local = netdev_priv(dev);
1140 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1141 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1146 /*------------------------------------------------------------------*/
1148 * Wireless Handler : set Bit-Rate
1150 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1151 union iwreq_data *wrqu, char *extra)
1153 ray_dev_t *local = netdev_priv(dev);
1155 /* Reject if card is already initialised */
1156 if (local->card_status != CARD_AWAITING_PARAM)
1159 /* Check if rate is in range */
1160 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1163 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1164 if ((local->fw_ver == 0x55) && /* Please check */
1165 (wrqu->bitrate.value == 2000000))
1166 local->net_default_tx_rate = 3;
1168 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1173 /*------------------------------------------------------------------*/
1175 * Wireless Handler : get Bit-Rate
1177 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1178 union iwreq_data *wrqu, char *extra)
1180 ray_dev_t *local = netdev_priv(dev);
1182 if (local->net_default_tx_rate == 3)
1183 wrqu->bitrate.value = 2000000; /* Hum... */
1185 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1186 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1191 /*------------------------------------------------------------------*/
1193 * Wireless Handler : set RTS threshold
1195 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1196 union iwreq_data *wrqu, char *extra)
1198 ray_dev_t *local = netdev_priv(dev);
1199 int rthr = wrqu->rts.value;
1201 /* Reject if card is already initialised */
1202 if (local->card_status != CARD_AWAITING_PARAM)
1205 /* if(wrq->u.rts.fixed == 0) we should complain */
1206 if (wrqu->rts.disabled)
1209 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1212 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1213 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1215 return -EINPROGRESS; /* Call commit handler */
1218 /*------------------------------------------------------------------*/
1220 * Wireless Handler : get RTS threshold
1222 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1223 union iwreq_data *wrqu, char *extra)
1225 ray_dev_t *local = netdev_priv(dev);
1227 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1228 + local->sparm.b5.a_rts_threshold[1];
1229 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1230 wrqu->rts.fixed = 1;
1235 /*------------------------------------------------------------------*/
1237 * Wireless Handler : set Fragmentation threshold
1239 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1240 union iwreq_data *wrqu, char *extra)
1242 ray_dev_t *local = netdev_priv(dev);
1243 int fthr = wrqu->frag.value;
1245 /* Reject if card is already initialised */
1246 if (local->card_status != CARD_AWAITING_PARAM)
1249 /* if(wrq->u.frag.fixed == 0) should complain */
1250 if (wrqu->frag.disabled)
1253 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1256 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1257 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1259 return -EINPROGRESS; /* Call commit handler */
1262 /*------------------------------------------------------------------*/
1264 * Wireless Handler : get Fragmentation threshold
1266 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1267 union iwreq_data *wrqu, char *extra)
1269 ray_dev_t *local = netdev_priv(dev);
1271 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1272 + local->sparm.b5.a_frag_threshold[1];
1273 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1274 wrqu->frag.fixed = 1;
1279 /*------------------------------------------------------------------*/
1281 * Wireless Handler : set Mode of Operation
1283 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1284 union iwreq_data *wrqu, char *extra)
1286 ray_dev_t *local = netdev_priv(dev);
1287 int err = -EINPROGRESS; /* Call commit handler */
1290 /* Reject if card is already initialised */
1291 if (local->card_status != CARD_AWAITING_PARAM)
1294 switch (wrqu->mode) {
1299 local->sparm.b5.a_network_type = card_mode;
1308 /*------------------------------------------------------------------*/
1310 * Wireless Handler : get Mode of Operation
1312 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1313 union iwreq_data *wrqu, char *extra)
1315 ray_dev_t *local = netdev_priv(dev);
1317 if (local->sparm.b5.a_network_type)
1318 wrqu->mode = IW_MODE_INFRA;
1320 wrqu->mode = IW_MODE_ADHOC;
1325 /*------------------------------------------------------------------*/
1327 * Wireless Handler : get range info
1329 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1330 union iwreq_data *wrqu, char *extra)
1332 struct iw_range *range = (struct iw_range *)extra;
1334 memset(range, 0, sizeof(struct iw_range));
1336 /* Set the length (very important for backward compatibility) */
1337 wrqu->data.length = sizeof(struct iw_range);
1339 /* Set the Wireless Extension versions */
1340 range->we_version_compiled = WIRELESS_EXT;
1341 range->we_version_source = 9;
1343 /* Set information in the range struct */
1344 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1345 range->num_channels = hop_pattern_length[(int)country];
1346 range->num_frequency = 0;
1347 range->max_qual.qual = 0;
1348 range->max_qual.level = 255; /* What's the correct value ? */
1349 range->max_qual.noise = 255; /* Idem */
1350 range->num_bitrates = 2;
1351 range->bitrate[0] = 1000000; /* 1 Mb/s */
1352 range->bitrate[1] = 2000000; /* 2 Mb/s */
1356 /*------------------------------------------------------------------*/
1358 * Wireless Private Handler : set framing mode
1360 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1361 union iwreq_data *wrqu, char *extra)
1363 translate = !!*(extra); /* Set framing mode */
1368 /*------------------------------------------------------------------*/
1370 * Wireless Private Handler : get framing mode
1372 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1373 union iwreq_data *wrqu, char *extra)
1375 *(extra) = translate;
1380 /*------------------------------------------------------------------*/
1382 * Wireless Private Handler : get country
1384 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1385 union iwreq_data *wrqu, char *extra)
1392 /*------------------------------------------------------------------*/
1394 * Commit handler : called after a bunch of SET operations
1396 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1397 union iwreq_data *wrqu, char *extra)
1402 /*------------------------------------------------------------------*/
1404 * Stats handler : return Wireless Stats
1406 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1408 ray_dev_t *local = netdev_priv(dev);
1409 struct pcmcia_device *link = local->finder;
1410 struct status __iomem *p = local->sram + STATUS_BASE;
1412 local->wstats.status = local->card_status;
1414 if ((local->spy_data.spy_number > 0)
1415 && (local->sparm.b5.a_network_type == 0)) {
1416 /* Get it from the first node in spy list */
1417 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1418 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1419 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1420 local->wstats.qual.updated =
1421 local->spy_data.spy_stat[0].updated;
1423 #endif /* WIRELESS_SPY */
1425 if (pcmcia_dev_present(link)) {
1426 local->wstats.qual.noise = readb(&p->rxnoise);
1427 local->wstats.qual.updated |= 4;
1430 return &local->wstats;
1431 } /* end ray_get_wireless_stats */
1433 /*------------------------------------------------------------------*/
1435 * Structures to export the Wireless Handlers
1438 static const iw_handler ray_handler[] = {
1439 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1440 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1441 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1442 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1443 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1444 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1445 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1447 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1448 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1449 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1450 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1451 #endif /* WIRELESS_SPY */
1452 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1453 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1454 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1455 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1456 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1457 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1458 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1459 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1460 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1463 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1464 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1465 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1467 static const iw_handler ray_private_handler[] = {
1468 [0] = ray_set_framing,
1469 [1] = ray_get_framing,
1470 [3] = ray_get_country,
1473 static const struct iw_priv_args ray_private_args[] = {
1474 /* cmd, set_args, get_args, name */
1475 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1477 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1479 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1483 static const struct iw_handler_def ray_handler_def = {
1484 .num_standard = ARRAY_SIZE(ray_handler),
1485 .num_private = ARRAY_SIZE(ray_private_handler),
1486 .num_private_args = ARRAY_SIZE(ray_private_args),
1487 .standard = ray_handler,
1488 .private = ray_private_handler,
1489 .private_args = ray_private_args,
1490 .get_wireless_stats = ray_get_wireless_stats,
1493 /*===========================================================================*/
1494 static int ray_open(struct net_device *dev)
1496 ray_dev_t *local = netdev_priv(dev);
1497 struct pcmcia_device *link;
1498 link = local->finder;
1500 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1502 if (link->open == 0)
1503 local->num_multi = 0;
1506 /* If the card is not started, time to start it ! - Jean II */
1507 if (local->card_status == CARD_AWAITING_PARAM) {
1510 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1512 /* Download startup parameters */
1513 if ((i = dl_startup_params(dev)) < 0) {
1515 "ray_dev_init dl_startup_params failed - "
1516 "returns 0x%x\n", i);
1522 netif_stop_queue(dev);
1524 netif_start_queue(dev);
1526 dev_dbg(&link->dev, "ray_open ending\n");
1528 } /* end ray_open */
1530 /*===========================================================================*/
1531 static int ray_dev_close(struct net_device *dev)
1533 ray_dev_t *local = netdev_priv(dev);
1534 struct pcmcia_device *link;
1535 link = local->finder;
1537 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1540 netif_stop_queue(dev);
1542 /* In here, we should stop the hardware (stop card from beeing active)
1543 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1544 * card is closed we can chage its configuration.
1545 * Probably also need a COR reset to get sane state - Jean II */
1548 } /* end ray_dev_close */
1550 /*===========================================================================*/
1551 static void ray_reset(struct net_device *dev)
1553 pr_debug("ray_reset entered\n");
1556 /*===========================================================================*/
1557 /* Cause a firmware interrupt if it is ready for one */
1558 /* Return nonzero if not ready */
1559 static int interrupt_ecf(ray_dev_t *local, int ccs)
1562 struct pcmcia_device *link = local->finder;
1564 if (!(pcmcia_dev_present(link))) {
1565 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1568 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1571 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1575 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1578 /* Fill the mailbox, then kick the card */
1579 writeb(ccs, local->sram + SCB_BASE);
1580 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1582 } /* interrupt_ecf */
1584 /*===========================================================================*/
1585 /* Get next free transmit CCS */
1586 /* Return - index of current tx ccs */
1587 static int get_free_tx_ccs(ray_dev_t *local)
1590 struct ccs __iomem *pccs = ccs_base(local);
1591 struct pcmcia_device *link = local->finder;
1593 if (!(pcmcia_dev_present(link))) {
1594 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1598 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1599 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1603 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1604 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1605 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1606 writeb(CCS_END_LIST, &(pccs + i)->link);
1607 local->tx_ccs_lock = 0;
1611 local->tx_ccs_lock = 0;
1612 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1614 } /* get_free_tx_ccs */
1616 /*===========================================================================*/
1617 /* Get next free CCS */
1618 /* Return - index of current ccs */
1619 static int get_free_ccs(ray_dev_t *local)
1622 struct ccs __iomem *pccs = ccs_base(local);
1623 struct pcmcia_device *link = local->finder;
1625 if (!(pcmcia_dev_present(link))) {
1626 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1629 if (test_and_set_bit(0, &local->ccs_lock)) {
1630 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1634 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1635 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1636 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1637 writeb(CCS_END_LIST, &(pccs + i)->link);
1638 local->ccs_lock = 0;
1642 local->ccs_lock = 0;
1643 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1645 } /* get_free_ccs */
1647 /*===========================================================================*/
1648 static void authenticate_timeout(u_long data)
1650 ray_dev_t *local = (ray_dev_t *) data;
1651 del_timer(&local->timer);
1652 printk(KERN_INFO "ray_cs Authentication with access point failed"
1654 join_net((u_long) local);
1657 /*===========================================================================*/
1658 static int parse_addr(char *in_str, UCHAR *out)
1666 if ((len = strlen(in_str)) < 2)
1668 memset(out, 0, ADDRLEN);
1677 if ((k = hex_to_bin(in_str[j--])) != -1)
1684 if ((k = hex_to_bin(in_str[j--])) != -1)
1694 /*===========================================================================*/
1695 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1697 ray_dev_t *local = netdev_priv(dev);
1698 struct pcmcia_device *link = local->finder;
1699 struct status __iomem *p = local->sram + STATUS_BASE;
1700 if (!(pcmcia_dev_present(link))) {
1701 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1702 return &local->stats;
1704 if (readb(&p->mrx_overflow_for_host)) {
1705 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1706 writeb(0, &p->mrx_overflow);
1707 writeb(0, &p->mrx_overflow_for_host);
1709 if (readb(&p->mrx_checksum_error_for_host)) {
1710 local->stats.rx_crc_errors +=
1711 swab16(readw(&p->mrx_checksum_error));
1712 writeb(0, &p->mrx_checksum_error);
1713 writeb(0, &p->mrx_checksum_error_for_host);
1715 if (readb(&p->rx_hec_error_for_host)) {
1716 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1717 writeb(0, &p->rx_hec_error);
1718 writeb(0, &p->rx_hec_error_for_host);
1720 return &local->stats;
1723 /*===========================================================================*/
1724 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1727 ray_dev_t *local = netdev_priv(dev);
1728 struct pcmcia_device *link = local->finder;
1731 struct ccs __iomem *pccs;
1733 if (!(pcmcia_dev_present(link))) {
1734 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1738 if ((ccsindex = get_free_ccs(local)) < 0) {
1739 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1742 pccs = ccs_base(local) + ccsindex;
1743 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1744 writeb(objid, &pccs->var.update_param.object_id);
1745 writeb(1, &pccs->var.update_param.number_objects);
1746 writeb(0, &pccs->var.update_param.failure_cause);
1747 for (i = 0; i < len; i++) {
1748 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1750 /* Interrupt the firmware to process the command */
1751 if (interrupt_ecf(local, ccsindex)) {
1752 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1753 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1757 /*===========================================================================*/
1758 static void ray_update_multi_list(struct net_device *dev, int all)
1761 struct ccs __iomem *pccs;
1762 ray_dev_t *local = netdev_priv(dev);
1763 struct pcmcia_device *link = local->finder;
1764 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1766 if (!(pcmcia_dev_present(link))) {
1767 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1770 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1771 if ((ccsindex = get_free_ccs(local)) < 0) {
1772 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1775 pccs = ccs_base(local) + ccsindex;
1776 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1779 writeb(0xff, &pccs->var);
1780 local->num_multi = 0xff;
1782 struct netdev_hw_addr *ha;
1785 /* Copy the kernel's list of MC addresses to card */
1786 netdev_for_each_mc_addr(ha, dev) {
1787 memcpy_toio(p, ha->addr, ETH_ALEN);
1788 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1793 if (i > 256 / ADDRLEN)
1795 writeb((UCHAR) i, &pccs->var);
1796 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1797 /* Interrupt the firmware to process the command */
1798 local->num_multi = i;
1800 if (interrupt_ecf(local, ccsindex)) {
1802 "ray_cs update_multi failed - ECF not ready for intr\n");
1803 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1805 } /* end ray_update_multi_list */
1807 /*===========================================================================*/
1808 static void set_multicast_list(struct net_device *dev)
1810 ray_dev_t *local = netdev_priv(dev);
1813 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1815 if (dev->flags & IFF_PROMISC) {
1816 if (local->sparm.b5.a_promiscuous_mode == 0) {
1817 pr_debug("ray_cs set_multicast_list promisc on\n");
1818 local->sparm.b5.a_promiscuous_mode = 1;
1820 ray_update_parm(dev, OBJID_promiscuous_mode,
1821 &promisc, sizeof(promisc));
1824 if (local->sparm.b5.a_promiscuous_mode == 1) {
1825 pr_debug("ray_cs set_multicast_list promisc off\n");
1826 local->sparm.b5.a_promiscuous_mode = 0;
1828 ray_update_parm(dev, OBJID_promiscuous_mode,
1829 &promisc, sizeof(promisc));
1833 if (dev->flags & IFF_ALLMULTI)
1834 ray_update_multi_list(dev, 1);
1836 if (local->num_multi != netdev_mc_count(dev))
1837 ray_update_multi_list(dev, 0);
1839 } /* end set_multicast_list */
1841 /*=============================================================================
1842 * All routines below here are run at interrupt time.
1843 =============================================================================*/
1844 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1846 struct net_device *dev = (struct net_device *)dev_id;
1847 struct pcmcia_device *link;
1849 struct ccs __iomem *pccs;
1850 struct rcs __iomem *prcs;
1855 UCHAR memtmp[ESSID_SIZE + 1];
1858 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1861 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1863 local = netdev_priv(dev);
1864 link = local->finder;
1865 if (!pcmcia_dev_present(link)) {
1867 "ray_cs interrupt from device not present or suspended.\n");
1870 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1872 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1873 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1874 clear_interrupt(local);
1877 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1878 pccs = ccs_base(local) + rcsindex;
1879 cmd = readb(&pccs->cmd);
1880 status = readb(&pccs->buffer_status);
1882 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1883 del_timer(&local->timer);
1884 if (status == CCS_COMMAND_COMPLETE) {
1886 "ray_cs interrupt download_startup_parameters OK\n");
1889 "ray_cs interrupt download_startup_parameters fail\n");
1892 case CCS_UPDATE_PARAMS:
1893 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1894 if (status != CCS_COMMAND_COMPLETE) {
1896 readb(&pccs->var.update_param.
1899 "ray_cs interrupt update params failed - reason %d\n",
1903 case CCS_REPORT_PARAMS:
1904 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1906 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1908 "ray_cs interrupt CCS Update Multicast List done\n");
1910 case CCS_UPDATE_POWER_SAVINGS_MODE:
1912 "ray_cs interrupt update power save mode done\n");
1914 case CCS_START_NETWORK:
1915 case CCS_JOIN_NETWORK:
1916 memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1918 memtmp[ESSID_SIZE] = '\0';
1920 if (status == CCS_COMMAND_COMPLETE) {
1922 (&pccs->var.start_network.net_initiated) ==
1925 "ray_cs interrupt network \"%s\" started\n",
1929 "ray_cs interrupt network \"%s\" joined\n",
1932 memcpy_fromio(&local->bss_id,
1933 pccs->var.start_network.bssid,
1936 if (local->fw_ver == 0x55)
1937 local->net_default_tx_rate = 3;
1939 local->net_default_tx_rate =
1940 readb(&pccs->var.start_network.
1941 net_default_tx_rate);
1943 readb(&pccs->var.start_network.encryption);
1944 if (!sniffer && (local->net_type == INFRA)
1945 && !(local->sparm.b4.a_acting_as_ap_status)) {
1946 authenticate(local);
1948 local->card_status = CARD_ACQ_COMPLETE;
1950 local->card_status = CARD_ACQ_FAILED;
1952 del_timer(&local->timer);
1953 local->timer.expires = jiffies + HZ * 5;
1954 local->timer.data = (long)local;
1955 if (status == CCS_START_NETWORK) {
1957 "ray_cs interrupt network \"%s\" start failed\n",
1959 local->timer.function = start_net;
1962 "ray_cs interrupt network \"%s\" join failed\n",
1964 local->timer.function = join_net;
1966 add_timer(&local->timer);
1969 case CCS_START_ASSOCIATION:
1970 if (status == CCS_COMMAND_COMPLETE) {
1971 local->card_status = CARD_ASSOC_COMPLETE;
1972 dev_dbg(&link->dev, "ray_cs association successful\n");
1974 dev_dbg(&link->dev, "ray_cs association failed,\n");
1975 local->card_status = CARD_ASSOC_FAILED;
1976 join_net((u_long) local);
1979 case CCS_TX_REQUEST:
1980 if (status == CCS_COMMAND_COMPLETE) {
1982 "ray_cs interrupt tx request complete\n");
1985 "ray_cs interrupt tx request failed\n");
1988 netif_start_queue(dev);
1989 netif_wake_queue(dev);
1991 case CCS_TEST_MEMORY:
1992 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
1996 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
1998 case CCS_DUMP_MEMORY:
1999 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2001 case CCS_START_TIMER:
2003 "ray_cs interrupt DING - raylink timer expired\n");
2007 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2010 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2011 } else { /* It's an RCS */
2013 prcs = rcs_base(local) + rcsindex;
2015 switch (readb(&prcs->interrupt_id)) {
2016 case PROCESS_RX_PACKET:
2017 ray_rx(dev, local, prcs);
2019 case REJOIN_NET_COMPLETE:
2020 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2021 local->card_status = CARD_ACQ_COMPLETE;
2022 /* do we need to clear tx buffers CCS's? */
2023 if (local->sparm.b4.a_network_type == ADHOC) {
2025 netif_start_queue(dev);
2027 memcpy_fromio(&local->bss_id,
2028 prcs->var.rejoin_net_complete.
2030 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2033 authenticate(local);
2036 case ROAMING_INITIATED:
2037 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2038 netif_stop_queue(dev);
2039 local->card_status = CARD_DOING_ACQ;
2041 case JAPAN_CALL_SIGN_RXD:
2042 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2046 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2048 (unsigned int)readb(&prcs->interrupt_id));
2051 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2053 clear_interrupt(local);
2055 } /* ray_interrupt */
2057 /*===========================================================================*/
2058 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2059 struct rcs __iomem *prcs)
2062 unsigned int pkt_addr;
2064 pr_debug("ray_rx process rx packet\n");
2066 /* Calculate address of packet within Rx buffer */
2067 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2068 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2069 /* Length of first packet fragment */
2070 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2071 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2073 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2074 pmsg = local->rmem + pkt_addr;
2075 switch (readb(pmsg)) {
2077 pr_debug("ray_rx data type\n");
2078 rx_data(dev, prcs, pkt_addr, rx_len);
2080 case AUTHENTIC_TYPE:
2081 pr_debug("ray_rx authentic type\n");
2083 rx_data(dev, prcs, pkt_addr, rx_len);
2085 rx_authenticate(local, prcs, pkt_addr, rx_len);
2087 case DEAUTHENTIC_TYPE:
2088 pr_debug("ray_rx deauth type\n");
2090 rx_data(dev, prcs, pkt_addr, rx_len);
2092 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2095 pr_debug("ray_cs rx NULL msg\n");
2098 pr_debug("ray_rx beacon type\n");
2100 rx_data(dev, prcs, pkt_addr, rx_len);
2102 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2103 rx_len < sizeof(struct beacon_rx) ?
2104 rx_len : sizeof(struct beacon_rx));
2106 local->beacon_rxed = 1;
2107 /* Get the statistics so the card counters never overflow */
2111 pr_debug("ray_cs unknown pkt type %2x\n",
2112 (unsigned int)readb(pmsg));
2118 /*===========================================================================*/
2119 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2120 unsigned int pkt_addr, int rx_len)
2122 struct sk_buff *skb = NULL;
2123 struct rcs __iomem *prcslink = prcs;
2124 ray_dev_t *local = netdev_priv(dev);
2129 int siglev = local->last_rsl;
2130 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2135 /* TBD length needs fixing for translated header */
2136 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2138 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2141 "ray_cs invalid packet length %d received\n",
2145 } else { /* encapsulated ethernet */
2147 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2149 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2152 "ray_cs invalid packet length %d received\n",
2158 pr_debug("ray_cs rx_data packet\n");
2159 /* If fragmented packet, verify sizes of fragments add up */
2160 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2161 pr_debug("ray_cs rx'ed fragment\n");
2162 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2163 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2168 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2170 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2171 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2174 prcslink = rcs_base(local)
2175 + readb(&prcslink->link_field);
2180 "ray_cs rx_data fragment lengths don't add up\n");
2181 local->stats.rx_dropped++;
2182 release_frag_chain(local, prcs);
2185 } else { /* Single unfragmented packet */
2189 skb = dev_alloc_skb(total_len + 5);
2191 pr_debug("ray_cs rx_data could not allocate skb\n");
2192 local->stats.rx_dropped++;
2193 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2194 release_frag_chain(local, prcs);
2197 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2199 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2202 /************************/
2203 /* Reserve enough room for the whole damn packet. */
2204 rx_ptr = skb_put(skb, total_len);
2205 /* Copy the whole packet to sk_buff */
2207 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2208 /* Get source address */
2210 skb_copy_from_linear_data_offset(skb,
2211 offsetof(struct mac_header, addr_2),
2212 linksrcaddr, ETH_ALEN);
2214 /* Now, deal with encapsulation/translation/sniffer */
2217 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2218 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2219 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2221 /* Do translation */
2222 untranslate(local, skb, total_len);
2224 } else { /* sniffer mode, so just pass whole packet */
2227 /************************/
2228 /* Now pick up the rest of the fragments if any */
2230 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2232 pr_debug("ray_cs rx_data in fragment loop\n");
2234 prcslink = rcs_base(local)
2236 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2238 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2241 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2244 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2246 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2250 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2253 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2255 release_frag_chain(local, prcs);
2258 skb->protocol = eth_type_trans(skb, dev);
2260 local->stats.rx_packets++;
2261 local->stats.rx_bytes += total_len;
2263 /* Gather signal strength per address */
2265 /* For the Access Point or the node having started the ad-hoc net
2266 * note : ad-hoc work only in some specific configurations, but we
2267 * kludge in ray_get_wireless_stats... */
2268 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2269 /* Update statistics */
2270 /*local->wstats.qual.qual = none ? */
2271 local->wstats.qual.level = siglev;
2272 /*local->wstats.qual.noise = none ? */
2273 local->wstats.qual.updated = 0x2;
2275 /* Now, update the spy stuff */
2277 struct iw_quality wstats;
2278 wstats.level = siglev;
2279 /* wstats.noise = none ? */
2280 /* wstats.qual = none ? */
2281 wstats.updated = 0x2;
2282 /* Update spy records */
2283 wireless_spy_update(dev, linksrcaddr, &wstats);
2285 #endif /* WIRELESS_SPY */
2288 /*===========================================================================*/
2289 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2291 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2292 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2293 __be16 type = *(__be16 *) psnap->ethertype;
2295 struct ethhdr *peth;
2296 UCHAR srcaddr[ADDRLEN];
2297 UCHAR destaddr[ADDRLEN];
2298 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2299 static const UCHAR org_1042[3] = { 0, 0, 0 };
2301 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2302 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2306 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2307 DUMP_PREFIX_NONE, 16, 1,
2308 skb->data, 64, true);
2310 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2311 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2312 psnap->org[0], psnap->org[1], psnap->org[2]);
2313 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2317 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2318 /* not a snap type so leave it alone */
2319 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2320 psnap->dsap, psnap->ssap, psnap->ctrl);
2322 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2323 peth = (struct ethhdr *)(skb->data + delta);
2324 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2325 } else { /* Its a SNAP */
2326 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2327 /* EtherII and nuke the LLC */
2328 pr_debug("ray_cs untranslate Bridge encap\n");
2329 delta = RX_MAC_HEADER_LENGTH
2330 + sizeof(struct snaphdr_t) - ETH_HLEN;
2331 peth = (struct ethhdr *)(skb->data + delta);
2332 peth->h_proto = type;
2333 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2334 switch (ntohs(type)) {
2337 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2338 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2339 peth = (struct ethhdr *)(skb->data + delta);
2341 htons(len - RX_MAC_HEADER_LENGTH);
2344 pr_debug("ray_cs untranslate RFC default\n");
2345 delta = RX_MAC_HEADER_LENGTH +
2346 sizeof(struct snaphdr_t) - ETH_HLEN;
2347 peth = (struct ethhdr *)(skb->data + delta);
2348 peth->h_proto = type;
2352 printk("ray_cs untranslate very confused by packet\n");
2353 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2354 peth = (struct ethhdr *)(skb->data + delta);
2355 peth->h_proto = type;
2358 /* TBD reserve skb_reserve(skb, delta); */
2359 skb_pull(skb, delta);
2360 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2362 memcpy(peth->h_dest, destaddr, ADDRLEN);
2363 memcpy(peth->h_source, srcaddr, ADDRLEN);
2367 printk(KERN_DEBUG "skb->data after untranslate:");
2368 for (i = 0; i < 64; i++)
2369 printk("%02x ", skb->data[i]);
2373 } /* end untranslate */
2375 /*===========================================================================*/
2376 /* Copy data from circular receive buffer to PC memory.
2377 * dest = destination address in PC memory
2378 * pkt_addr = source address in receive buffer
2379 * len = length of packet to copy
2381 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2384 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2385 if (wrap_bytes <= 0) {
2386 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2387 } else { /* Packet wrapped in circular buffer */
2389 memcpy_fromio(dest, local->rmem + pkt_addr,
2390 length - wrap_bytes);
2391 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2397 /*===========================================================================*/
2398 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2400 struct rcs __iomem *prcslink = prcs;
2402 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2405 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2406 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2407 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2411 prcslink = rcs_base(local) + rcsindex;
2412 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2414 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2417 /*===========================================================================*/
2418 static void authenticate(ray_dev_t *local)
2420 struct pcmcia_device *link = local->finder;
2421 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2422 if (!(pcmcia_dev_present(link))) {
2423 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2427 del_timer(&local->timer);
2428 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2429 local->timer.function = join_net;
2431 local->timer.function = authenticate_timeout;
2433 local->timer.expires = jiffies + HZ * 2;
2434 local->timer.data = (long)local;
2435 add_timer(&local->timer);
2436 local->authentication_state = AWAITING_RESPONSE;
2437 } /* end authenticate */
2439 /*===========================================================================*/
2440 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2441 unsigned int pkt_addr, int rx_len)
2444 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2446 del_timer(&local->timer);
2448 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2449 /* if we are trying to get authenticated */
2450 if (local->sparm.b4.a_network_type == ADHOC) {
2451 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2452 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2453 msg->var[4], msg->var[5]);
2454 if (msg->var[2] == 1) {
2455 pr_debug("ray_cs Sending authentication response.\n");
2456 if (!build_auth_frame
2457 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2458 local->authentication_state = NEED_TO_AUTH;
2459 memcpy(local->auth_id, msg->mac.addr_2,
2463 } else { /* Infrastructure network */
2465 if (local->authentication_state == AWAITING_RESPONSE) {
2466 /* Verify authentication sequence #2 and success */
2467 if (msg->var[2] == 2) {
2468 if ((msg->var[3] | msg->var[4]) == 0) {
2469 pr_debug("Authentication successful\n");
2470 local->card_status = CARD_AUTH_COMPLETE;
2472 local->authentication_state =
2475 pr_debug("Authentication refused\n");
2476 local->card_status = CARD_AUTH_REFUSED;
2477 join_net((u_long) local);
2478 local->authentication_state =
2485 } /* end rx_authenticate */
2487 /*===========================================================================*/
2488 static void associate(ray_dev_t *local)
2490 struct ccs __iomem *pccs;
2491 struct pcmcia_device *link = local->finder;
2492 struct net_device *dev = link->priv;
2494 if (!(pcmcia_dev_present(link))) {
2495 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2498 /* If no tx buffers available, return */
2499 if ((ccsindex = get_free_ccs(local)) < 0) {
2500 /* TBD should never be here but... what if we are? */
2501 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2504 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2505 pccs = ccs_base(local) + ccsindex;
2506 /* fill in the CCS */
2507 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2508 /* Interrupt the firmware to process the command */
2509 if (interrupt_ecf(local, ccsindex)) {
2510 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2511 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2513 del_timer(&local->timer);
2514 local->timer.expires = jiffies + HZ * 2;
2515 local->timer.data = (long)local;
2516 local->timer.function = join_net;
2517 add_timer(&local->timer);
2518 local->card_status = CARD_ASSOC_FAILED;
2522 netif_start_queue(dev);
2524 } /* end associate */
2526 /*===========================================================================*/
2527 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2528 unsigned int pkt_addr, int rx_len)
2531 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2533 pr_debug("Deauthentication frame received\n");
2534 local->authentication_state = UNAUTHENTICATED;
2535 /* Need to reauthenticate or rejoin depending on reason code */
2536 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2540 /*===========================================================================*/
2541 static void clear_interrupt(ray_dev_t *local)
2543 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2546 /*===========================================================================*/
2547 #ifdef CONFIG_PROC_FS
2548 #define MAXDATA (PAGE_SIZE - 80)
2550 static const char *card_status[] = {
2551 "Card inserted - uninitialized", /* 0 */
2552 "Card not downloaded", /* 1 */
2553 "Waiting for download parameters", /* 2 */
2554 "Card doing acquisition", /* 3 */
2555 "Acquisition complete", /* 4 */
2556 "Authentication complete", /* 5 */
2557 "Association complete", /* 6 */
2558 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2559 "Card init error", /* 11 */
2560 "Download parameters error", /* 12 */
2562 "Acquisition failed", /* 14 */
2563 "Authentication refused", /* 15 */
2564 "Association failed" /* 16 */
2567 static const char *nettype[] = { "Adhoc", "Infra " };
2568 static const char *framing[] = { "Encapsulation", "Translation" }
2571 /*===========================================================================*/
2572 static int ray_cs_proc_show(struct seq_file *m, void *v)
2574 /* Print current values which are not available via other means
2578 struct pcmcia_device *link;
2579 struct net_device *dev;
2582 struct freq_hop_element *pfh;
2588 dev = (struct net_device *)link->priv;
2591 local = netdev_priv(dev);
2595 seq_puts(m, "Raylink Wireless LAN driver status\n");
2596 seq_printf(m, "%s\n", rcsid);
2597 /* build 4 does not report version, and field is 0x55 after memtest */
2598 seq_puts(m, "Firmware version = ");
2599 if (local->fw_ver == 0x55)
2600 seq_puts(m, "4 - Use dump_cis for more details\n");
2602 seq_printf(m, "%2d.%02d.%02d\n",
2603 local->fw_ver, local->fw_bld, local->fw_var);
2605 for (i = 0; i < 32; i++)
2606 c[i] = local->sparm.b5.a_current_ess_id[i];
2608 seq_printf(m, "%s network ESSID = \"%s\"\n",
2609 nettype[local->sparm.b5.a_network_type], c);
2612 seq_printf(m, "BSSID = %pM\n", p);
2614 seq_printf(m, "Country code = %d\n",
2615 local->sparm.b5.a_curr_country_code);
2617 i = local->card_status;
2622 seq_printf(m, "Card status = %s\n", card_status[i]);
2624 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2626 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2628 if (local->beacon_rxed) {
2629 /* Pull some fields out of last beacon received */
2630 seq_printf(m, "Beacon Interval = %d Kus\n",
2631 local->last_bcn.beacon_intvl[0]
2632 + 256 * local->last_bcn.beacon_intvl[1]);
2634 p = local->last_bcn.elements;
2635 if (p[0] == C_ESSID_ELEMENT_ID)
2639 "Parse beacon failed at essid element id = %d\n",
2644 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2645 seq_puts(m, "Supported rate codes = ");
2646 for (i = 2; i < p[1] + 2; i++)
2647 seq_printf(m, "0x%02x ", p[i]);
2651 seq_puts(m, "Parse beacon failed at rates element\n");
2655 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2656 pfh = (struct freq_hop_element *)p;
2657 seq_printf(m, "Hop dwell = %d Kus\n",
2658 pfh->dwell_time[0] +
2659 256 * pfh->dwell_time[1]);
2660 seq_printf(m, "Hop set = %d\n",
2662 seq_printf(m, "Hop pattern = %d\n",
2664 seq_printf(m, "Hop index = %d\n",
2669 "Parse beacon failed at FH param element\n");
2673 seq_puts(m, "No beacons received\n");
2678 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2680 return single_open(file, ray_cs_proc_show, NULL);
2683 static const struct file_operations ray_cs_proc_fops = {
2684 .owner = THIS_MODULE,
2685 .open = ray_cs_proc_open,
2687 .llseek = seq_lseek,
2688 .release = single_release,
2691 /*===========================================================================*/
2692 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2695 struct ccs __iomem *pccs;
2696 struct tx_msg __iomem *ptx;
2699 /* If no tx buffers available, return */
2700 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2701 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2705 pccs = ccs_base(local) + ccsindex;
2707 /* Address in card space */
2708 addr = TX_BUF_BASE + (ccsindex << 11);
2709 /* fill in the CCS */
2710 writeb(CCS_TX_REQUEST, &pccs->cmd);
2711 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2712 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2713 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2714 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2715 pccs->var.tx_request.tx_data_length + 1);
2716 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2718 ptx = local->sram + addr;
2719 /* fill in the mac header */
2720 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2721 writeb(0, &ptx->mac.frame_ctl_2);
2723 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2724 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2725 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2727 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2728 memset_io(ptx->var, 0, 6);
2729 writeb(auth_type & 0xff, ptx->var + 2);
2731 /* Interrupt the firmware to process the command */
2732 if (interrupt_ecf(local, ccsindex)) {
2734 "ray_cs send authentication request failed - ECF not ready for intr\n");
2735 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2739 } /* End build_auth_frame */
2741 /*===========================================================================*/
2742 #ifdef CONFIG_PROC_FS
2743 static ssize_t ray_cs_essid_proc_write(struct file *file,
2744 const char __user *buffer, size_t count, loff_t *pos)
2746 static char proc_essid[33];
2747 unsigned int len = count;
2751 memset(proc_essid, 0, 33);
2752 if (copy_from_user(proc_essid, buffer, len))
2758 static const struct file_operations ray_cs_essid_proc_fops = {
2759 .owner = THIS_MODULE,
2760 .write = ray_cs_essid_proc_write,
2761 .llseek = noop_llseek,
2764 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2765 size_t count, loff_t *pos)
2767 static char proc_number[10];
2776 if (copy_from_user(proc_number, buffer, count))
2782 unsigned int c = *p - '0';
2788 *(int *)PDE_DATA(file_inode(file)) = nr;
2792 static const struct file_operations int_proc_fops = {
2793 .owner = THIS_MODULE,
2794 .write = int_proc_write,
2795 .llseek = noop_llseek,
2799 static const struct pcmcia_device_id ray_ids[] = {
2800 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2804 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2806 static struct pcmcia_driver ray_driver = {
2807 .owner = THIS_MODULE,
2810 .remove = ray_detach,
2811 .id_table = ray_ids,
2812 .suspend = ray_suspend,
2813 .resume = ray_resume,
2816 static int __init init_ray_cs(void)
2820 pr_debug("%s\n", rcsid);
2821 rc = pcmcia_register_driver(&ray_driver);
2822 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2825 #ifdef CONFIG_PROC_FS
2826 proc_mkdir("driver/ray_cs", NULL);
2828 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2829 proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2830 proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2831 proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2838 /*===========================================================================*/
2840 static void __exit exit_ray_cs(void)
2842 pr_debug("ray_cs: cleanup_module\n");
2844 #ifdef CONFIG_PROC_FS
2845 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2846 remove_proc_entry("driver/ray_cs/essid", NULL);
2847 remove_proc_entry("driver/ray_cs/net_type", NULL);
2848 remove_proc_entry("driver/ray_cs/translate", NULL);
2849 remove_proc_entry("driver/ray_cs", NULL);
2852 pcmcia_unregister_driver(&ray_driver);
2855 module_init(init_ray_cs);
2856 module_exit(exit_ray_cs);
2858 /*===========================================================================*/