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;
288 dev_dbg(&p_dev->dev, "ray_attach()\n");
290 /* Allocate space for private device-specific data */
291 dev = alloc_etherdev(sizeof(ray_dev_t));
295 local = netdev_priv(dev);
296 local->finder = p_dev;
298 /* The io structure describes IO port mapping. None used here */
299 p_dev->resource[0]->end = 0;
300 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
302 /* General socket configuration */
303 p_dev->config_flags |= CONF_ENABLE_IRQ;
304 p_dev->config_index = 1;
308 local->finder = p_dev;
309 local->card_status = CARD_INSERTED;
310 local->authentication_state = UNAUTHENTICATED;
311 local->num_multi = 0;
312 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
313 p_dev, dev, local, &ray_interrupt);
315 /* Raylink entries in the device structure */
316 dev->netdev_ops = &ray_netdev_ops;
317 dev->wireless_handlers = &ray_handler_def;
319 local->wireless_data.spy_data = &local->spy_data;
320 dev->wireless_data = &local->wireless_data;
321 #endif /* WIRELESS_SPY */
324 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
325 netif_stop_queue(dev);
327 init_timer(&local->timer);
330 ret = ray_config(p_dev);
341 static void ray_detach(struct pcmcia_device *link)
343 struct net_device *dev;
346 dev_dbg(&link->dev, "ray_detach\n");
353 local = netdev_priv(dev);
354 del_timer_sync(&local->timer);
357 unregister_netdev(dev);
360 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
363 #define MAX_TUPLE_SIZE 128
364 static int ray_config(struct pcmcia_device *link)
368 struct net_device *dev = (struct net_device *)link->priv;
369 ray_dev_t *local = netdev_priv(dev);
371 dev_dbg(&link->dev, "ray_config\n");
373 /* Determine card type and firmware version */
374 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
375 link->prod_id[0] ? link->prod_id[0] : " ",
376 link->prod_id[1] ? link->prod_id[1] : " ",
377 link->prod_id[2] ? link->prod_id[2] : " ",
378 link->prod_id[3] ? link->prod_id[3] : " ");
380 /* Now allocate an interrupt line. Note that this does not
381 actually assign a handler to the interrupt.
383 ret = pcmcia_request_irq(link, ray_interrupt);
386 dev->irq = link->irq;
388 ret = pcmcia_enable_device(link);
392 /*** Set up 32k window for shared memory (transmit and control) ************/
393 link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
394 link->resource[2]->start = 0;
395 link->resource[2]->end = 0x8000;
396 ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed);
399 ret = pcmcia_map_mem_page(link, link->resource[2], 0);
402 local->sram = ioremap(link->resource[2]->start,
403 resource_size(link->resource[2]));
407 /*** Set up 16k window for shared memory (receive buffer) ***************/
408 link->resource[3]->flags |=
409 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
410 link->resource[3]->start = 0;
411 link->resource[3]->end = 0x4000;
412 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
415 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
418 local->rmem = ioremap(link->resource[3]->start,
419 resource_size(link->resource[3]));
423 /*** Set up window for attribute memory ***********************************/
424 link->resource[4]->flags |=
425 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
426 link->resource[4]->start = 0;
427 link->resource[4]->end = 0x1000;
428 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
431 ret = pcmcia_map_mem_page(link, link->resource[4], 0);
434 local->amem = ioremap(link->resource[4]->start,
435 resource_size(link->resource[4]));
439 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
440 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
441 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
442 if (ray_init(dev) < 0) {
447 SET_NETDEV_DEV(dev, &link->dev);
448 i = register_netdev(dev);
450 printk("ray_config register_netdev() failed\n");
455 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
456 dev->name, dev->irq, dev->dev_addr);
465 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
467 return dev->sram + CCS_BASE;
470 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
473 * This looks nonsensical, since there is a separate
474 * RCS_BASE. But the difference between a "struct rcs"
475 * and a "struct ccs" ends up being in the _index_ off
476 * the base, so the base pointer is the same for both
479 return dev->sram + CCS_BASE;
482 /*===========================================================================*/
483 static int ray_init(struct net_device *dev)
487 struct ccs __iomem *pccs;
488 ray_dev_t *local = netdev_priv(dev);
489 struct pcmcia_device *link = local->finder;
490 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
491 if (!(pcmcia_dev_present(link))) {
492 dev_dbg(&link->dev, "ray_init - device not present\n");
496 local->net_type = net_type;
497 local->sta_type = TYPE_STA;
499 /* Copy the startup results to local memory */
500 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
501 sizeof(struct startup_res_6));
503 /* Check Power up test status and get mac address from card */
504 if (local->startup_res.startup_word != 0x80) {
505 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
506 local->startup_res.startup_word);
507 local->card_status = CARD_INIT_ERROR;
511 local->fw_ver = local->startup_res.firmware_version[0];
512 local->fw_bld = local->startup_res.firmware_version[1];
513 local->fw_var = local->startup_res.firmware_version[2];
514 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
517 local->tib_length = 0x20;
518 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
519 local->tib_length = local->startup_res.tib_length;
520 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
521 /* Initialize CCS's to buffer free state */
522 pccs = ccs_base(local);
523 for (i = 0; i < NUMBER_OF_CCS; i++) {
524 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
526 init_startup_params(local);
528 /* copy mac address to startup parameters */
529 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
530 p = local->sparm.b4.a_mac_addr;
532 memcpy(&local->sparm.b4.a_mac_addr,
533 &local->startup_res.station_addr, ADDRLEN);
534 p = local->sparm.b4.a_mac_addr;
537 clear_interrupt(local); /* Clear any interrupt from the card */
538 local->card_status = CARD_AWAITING_PARAM;
539 dev_dbg(&link->dev, "ray_init ending\n");
543 /*===========================================================================*/
544 /* Download startup parameters to the card and command it to read them */
545 static int dl_startup_params(struct net_device *dev)
548 ray_dev_t *local = netdev_priv(dev);
549 struct ccs __iomem *pccs;
550 struct pcmcia_device *link = local->finder;
552 dev_dbg(&link->dev, "dl_startup_params entered\n");
553 if (!(pcmcia_dev_present(link))) {
554 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
558 /* Copy parameters to host to ECF area */
559 if (local->fw_ver == 0x55)
560 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
561 sizeof(struct b4_startup_params));
563 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
564 sizeof(struct b5_startup_params));
566 /* Fill in the CCS fields for the ECF */
567 if ((ccsindex = get_free_ccs(local)) < 0)
569 local->dl_param_ccs = ccsindex;
570 pccs = ccs_base(local) + ccsindex;
571 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
572 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
573 local->dl_param_ccs);
574 /* Interrupt the firmware to process the command */
575 if (interrupt_ecf(local, ccsindex)) {
576 printk(KERN_INFO "ray dl_startup_params failed - "
577 "ECF not ready for intr\n");
578 local->card_status = CARD_DL_PARAM_ERROR;
579 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
582 local->card_status = CARD_DL_PARAM;
583 /* Start kernel timer to wait for dl startup to complete. */
584 local->timer.expires = jiffies + HZ / 2;
585 local->timer.data = (long)local;
586 local->timer.function = verify_dl_startup;
587 add_timer(&local->timer);
589 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
591 } /* dl_startup_params */
593 /*===========================================================================*/
594 static void init_startup_params(ray_dev_t *local)
598 if (country > JAPAN_TEST)
600 else if (country < USA)
602 /* structure for hop time and beacon period is defined here using
603 * New 802.11D6.1 format. Card firmware is still using old format
606 * a_hop_time ms byte a_hop_time ms byte
607 * a_hop_time 2s byte a_hop_time ls byte
608 * a_hop_time ls byte a_beacon_period ms byte
609 * a_beacon_period a_beacon_period ls byte
611 * a_hop_time = uS a_hop_time = KuS
612 * a_beacon_period = hops a_beacon_period = KuS
613 *//* 64ms = 010000 */
614 if (local->fw_ver == 0x55) {
615 memcpy(&local->sparm.b4, b4_default_startup_parms,
616 sizeof(struct b4_startup_params));
617 /* Translate sane kus input values to old build 4/5 format */
618 /* i = hop time in uS truncated to 3 bytes */
619 i = (hop_dwell * 1024) & 0xffffff;
620 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
621 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
622 local->sparm.b4.a_beacon_period[0] = 0;
623 local->sparm.b4.a_beacon_period[1] =
624 ((beacon_period / hop_dwell) - 1) & 0xff;
625 local->sparm.b4.a_curr_country_code = country;
626 local->sparm.b4.a_hop_pattern_length =
627 hop_pattern_length[(int)country] - 1;
629 local->sparm.b4.a_ack_timeout = 0x50;
630 local->sparm.b4.a_sifs = 0x3f;
632 } else { /* Version 5 uses real kus values */
633 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
634 sizeof(struct b5_startup_params));
636 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
637 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
638 local->sparm.b5.a_beacon_period[0] =
639 (beacon_period >> 8) & 0xff;
640 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
642 local->sparm.b5.a_power_mgt_state = 1;
643 local->sparm.b5.a_curr_country_code = country;
644 local->sparm.b5.a_hop_pattern_length =
645 hop_pattern_length[(int)country];
648 local->sparm.b4.a_network_type = net_type & 0x01;
649 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
652 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
653 } /* init_startup_params */
655 /*===========================================================================*/
656 static void verify_dl_startup(u_long data)
658 ray_dev_t *local = (ray_dev_t *) data;
659 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
661 struct pcmcia_device *link = local->finder;
663 if (!(pcmcia_dev_present(link))) {
664 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
671 "verify_dl_startup parameters sent via ccs %d:\n",
672 local->dl_param_ccs);
673 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
675 (unsigned int)readb(local->sram +
676 HOST_TO_ECF_BASE + i));
682 status = readb(&pccs->buffer_status);
683 if (status != CCS_BUFFER_FREE) {
685 "Download startup params failed. Status = %d\n",
687 local->card_status = CARD_DL_PARAM_ERROR;
690 if (local->sparm.b4.a_network_type == ADHOC)
691 start_net((u_long) local);
693 join_net((u_long) local);
694 } /* end verify_dl_startup */
696 /*===========================================================================*/
697 /* Command card to start a network */
698 static void start_net(u_long data)
700 ray_dev_t *local = (ray_dev_t *) data;
701 struct ccs __iomem *pccs;
703 struct pcmcia_device *link = local->finder;
704 if (!(pcmcia_dev_present(link))) {
705 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
708 /* Fill in the CCS fields for the ECF */
709 if ((ccsindex = get_free_ccs(local)) < 0)
711 pccs = ccs_base(local) + ccsindex;
712 writeb(CCS_START_NETWORK, &pccs->cmd);
713 writeb(0, &pccs->var.start_network.update_param);
714 /* Interrupt the firmware to process the command */
715 if (interrupt_ecf(local, ccsindex)) {
716 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
717 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
720 local->card_status = CARD_DOING_ACQ;
721 } /* end start_net */
723 /*===========================================================================*/
724 /* Command card to join a network */
725 static void join_net(u_long data)
727 ray_dev_t *local = (ray_dev_t *) data;
729 struct ccs __iomem *pccs;
731 struct pcmcia_device *link = local->finder;
733 if (!(pcmcia_dev_present(link))) {
734 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
737 /* Fill in the CCS fields for the ECF */
738 if ((ccsindex = get_free_ccs(local)) < 0)
740 pccs = ccs_base(local) + ccsindex;
741 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
742 writeb(0, &pccs->var.join_network.update_param);
743 writeb(0, &pccs->var.join_network.net_initiated);
744 /* Interrupt the firmware to process the command */
745 if (interrupt_ecf(local, ccsindex)) {
746 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
747 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
750 local->card_status = CARD_DOING_ACQ;
754 static void ray_release(struct pcmcia_device *link)
756 struct net_device *dev = link->priv;
757 ray_dev_t *local = netdev_priv(dev);
759 dev_dbg(&link->dev, "ray_release\n");
761 del_timer(&local->timer);
763 iounmap(local->sram);
764 iounmap(local->rmem);
765 iounmap(local->amem);
766 pcmcia_disable_device(link);
768 dev_dbg(&link->dev, "ray_release ending\n");
771 static int ray_suspend(struct pcmcia_device *link)
773 struct net_device *dev = link->priv;
776 netif_device_detach(dev);
781 static int ray_resume(struct pcmcia_device *link)
783 struct net_device *dev = link->priv;
787 netif_device_attach(dev);
793 /*===========================================================================*/
794 static int ray_dev_init(struct net_device *dev)
796 #ifdef RAY_IMMEDIATE_INIT
798 #endif /* RAY_IMMEDIATE_INIT */
799 ray_dev_t *local = netdev_priv(dev);
800 struct pcmcia_device *link = local->finder;
802 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
803 if (!(pcmcia_dev_present(link))) {
804 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
807 #ifdef RAY_IMMEDIATE_INIT
808 /* Download startup parameters */
809 if ((i = dl_startup_params(dev)) < 0) {
810 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
811 "returns 0x%x\n", i);
814 #else /* RAY_IMMEDIATE_INIT */
815 /* Postpone the card init so that we can still configure the card,
816 * for example using the Wireless Extensions. The init will happen
817 * in ray_open() - Jean II */
819 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
821 #endif /* RAY_IMMEDIATE_INIT */
823 /* copy mac and broadcast addresses to linux device */
824 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
825 eth_broadcast_addr(dev->broadcast);
827 dev_dbg(&link->dev, "ray_dev_init ending\n");
831 /*===========================================================================*/
832 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
834 ray_dev_t *local = netdev_priv(dev);
835 struct pcmcia_device *link = local->finder;
836 /* Dummy routine to satisfy device structure */
837 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
838 if (!(pcmcia_dev_present(link))) {
839 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
846 /*===========================================================================*/
847 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
848 struct net_device *dev)
850 ray_dev_t *local = netdev_priv(dev);
851 struct pcmcia_device *link = local->finder;
852 short length = skb->len;
854 if (!pcmcia_dev_present(link)) {
855 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
860 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
861 if (local->authentication_state == NEED_TO_AUTH) {
862 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
863 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
864 local->authentication_state = AUTHENTICATED;
865 netif_stop_queue(dev);
866 return NETDEV_TX_BUSY;
870 if (length < ETH_ZLEN) {
871 if (skb_padto(skb, ETH_ZLEN))
875 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
878 netif_stop_queue(dev);
879 return NETDEV_TX_BUSY;
888 } /* ray_dev_start_xmit */
890 /*===========================================================================*/
891 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
894 ray_dev_t *local = netdev_priv(dev);
895 struct ccs __iomem *pccs;
898 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
899 short int addr; /* Address of xmit buffer in card space */
901 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
902 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
903 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
907 switch (ccsindex = get_free_tx_ccs(local)) {
909 pr_debug("ray_hw_xmit tx_ccs table busy\n");
911 pr_debug("ray_hw_xmit No free tx ccs\n");
913 netif_stop_queue(dev);
918 addr = TX_BUF_BASE + (ccsindex << 11);
920 if (msg_type == DATA_TYPE) {
921 local->stats.tx_bytes += len;
922 local->stats.tx_packets++;
925 ptx = local->sram + addr;
927 ray_build_header(local, ptx, msg_type, data);
929 offset = translate_frame(local, ptx, data, len);
930 } else { /* Encapsulate frame */
931 /* TBD TIB length will move address of ptx->var */
932 memcpy_toio(&ptx->var, data, len);
936 /* fill in the CCS */
937 pccs = ccs_base(local) + ccsindex;
938 len += TX_HEADER_LENGTH + offset;
939 writeb(CCS_TX_REQUEST, &pccs->cmd);
940 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
941 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
942 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
943 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
944 /* TBD still need psm_cam? */
945 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
946 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
947 writeb(0, &pccs->var.tx_request.antenna);
948 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
949 local->net_default_tx_rate);
951 /* Interrupt the firmware to process the command */
952 if (interrupt_ecf(local, ccsindex)) {
953 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
954 /* TBD very inefficient to copy packet to buffer, and then not
955 send it, but the alternative is to queue the messages and that
956 won't be done for a while. Maybe set tbusy until a CCS is free?
958 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
962 } /* end ray_hw_xmit */
964 /*===========================================================================*/
965 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
966 unsigned char *data, int len)
968 __be16 proto = ((struct ethhdr *)data)->h_proto;
969 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
970 pr_debug("ray_cs translate_frame DIX II\n");
971 /* Copy LLC header to card buffer */
972 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
973 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
974 (UCHAR *) &proto, 2);
975 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
976 /* This is the selective translation table, only 2 entries */
978 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
980 /* Copy body of ethernet packet without ethernet header */
981 memcpy_toio((void __iomem *)&ptx->var +
982 sizeof(struct snaphdr_t), data + ETH_HLEN,
984 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
985 } else { /* already 802 type, and proto is length */
986 pr_debug("ray_cs translate_frame 802\n");
987 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
988 pr_debug("ray_cs translate_frame evil IPX\n");
989 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
992 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
995 /* TBD do other frame types */
996 } /* end translate_frame */
998 /*===========================================================================*/
999 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1000 UCHAR msg_type, unsigned char *data)
1002 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1003 /*** IEEE 802.11 Address field assignments *************
1004 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1005 Adhoc 0 0 dest src (terminal) BSSID N/A
1006 AP to Terminal 0 1 dest AP(BSSID) source N/A
1007 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1008 AP to AP 1 1 dest AP src AP dest source
1009 *******************************************************/
1010 if (local->net_type == ADHOC) {
1011 writeb(0, &ptx->mac.frame_ctl_2);
1012 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1014 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1015 } else { /* infrastructure */
1017 if (local->sparm.b4.a_acting_as_ap_status) {
1018 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1019 memcpy_toio(ptx->mac.addr_1,
1020 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1021 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1022 memcpy_toio(ptx->mac.addr_3,
1023 ((struct ethhdr *)data)->h_source, ADDRLEN);
1024 } else { /* Terminal */
1026 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1027 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1028 memcpy_toio(ptx->mac.addr_2,
1029 ((struct ethhdr *)data)->h_source, ADDRLEN);
1030 memcpy_toio(ptx->mac.addr_3,
1031 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1034 } /* end encapsulate_frame */
1036 /*====================================================================*/
1038 /*------------------------------------------------------------------*/
1040 * Wireless Handler : get protocol name
1042 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1043 union iwreq_data *wrqu, char *extra)
1045 strcpy(wrqu->name, "IEEE 802.11-FH");
1049 /*------------------------------------------------------------------*/
1051 * Wireless Handler : set frequency
1053 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1054 union iwreq_data *wrqu, char *extra)
1056 ray_dev_t *local = netdev_priv(dev);
1057 int err = -EINPROGRESS; /* Call commit handler */
1059 /* Reject if card is already initialised */
1060 if (local->card_status != CARD_AWAITING_PARAM)
1063 /* Setting by channel number */
1064 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1067 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1072 /*------------------------------------------------------------------*/
1074 * Wireless Handler : get frequency
1076 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1077 union iwreq_data *wrqu, char *extra)
1079 ray_dev_t *local = netdev_priv(dev);
1081 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1086 /*------------------------------------------------------------------*/
1088 * Wireless Handler : set ESSID
1090 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1091 union iwreq_data *wrqu, char *extra)
1093 ray_dev_t *local = netdev_priv(dev);
1095 /* Reject if card is already initialised */
1096 if (local->card_status != CARD_AWAITING_PARAM)
1099 /* Check if we asked for `any' */
1100 if (wrqu->essid.flags == 0)
1101 /* Corey : can you do that ? */
1104 /* Check the size of the string */
1105 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1108 /* Set the ESSID in the card */
1109 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1110 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1112 return -EINPROGRESS; /* Call commit handler */
1115 /*------------------------------------------------------------------*/
1117 * Wireless Handler : get ESSID
1119 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1120 union iwreq_data *wrqu, char *extra)
1122 ray_dev_t *local = netdev_priv(dev);
1123 UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1125 /* Get the essid that was set */
1126 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1127 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1128 tmp[IW_ESSID_MAX_SIZE] = '\0';
1131 wrqu->essid.length = strlen(tmp);
1132 wrqu->essid.flags = 1; /* active */
1137 /*------------------------------------------------------------------*/
1139 * Wireless Handler : get AP address
1141 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1142 union iwreq_data *wrqu, char *extra)
1144 ray_dev_t *local = netdev_priv(dev);
1146 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1147 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1152 /*------------------------------------------------------------------*/
1154 * Wireless Handler : set Bit-Rate
1156 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1157 union iwreq_data *wrqu, char *extra)
1159 ray_dev_t *local = netdev_priv(dev);
1161 /* Reject if card is already initialised */
1162 if (local->card_status != CARD_AWAITING_PARAM)
1165 /* Check if rate is in range */
1166 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1169 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1170 if ((local->fw_ver == 0x55) && /* Please check */
1171 (wrqu->bitrate.value == 2000000))
1172 local->net_default_tx_rate = 3;
1174 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1179 /*------------------------------------------------------------------*/
1181 * Wireless Handler : get Bit-Rate
1183 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1184 union iwreq_data *wrqu, char *extra)
1186 ray_dev_t *local = netdev_priv(dev);
1188 if (local->net_default_tx_rate == 3)
1189 wrqu->bitrate.value = 2000000; /* Hum... */
1191 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1192 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1197 /*------------------------------------------------------------------*/
1199 * Wireless Handler : set RTS threshold
1201 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1202 union iwreq_data *wrqu, char *extra)
1204 ray_dev_t *local = netdev_priv(dev);
1205 int rthr = wrqu->rts.value;
1207 /* Reject if card is already initialised */
1208 if (local->card_status != CARD_AWAITING_PARAM)
1211 /* if(wrq->u.rts.fixed == 0) we should complain */
1212 if (wrqu->rts.disabled)
1215 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1218 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1219 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1221 return -EINPROGRESS; /* Call commit handler */
1224 /*------------------------------------------------------------------*/
1226 * Wireless Handler : get RTS threshold
1228 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1229 union iwreq_data *wrqu, char *extra)
1231 ray_dev_t *local = netdev_priv(dev);
1233 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1234 + local->sparm.b5.a_rts_threshold[1];
1235 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1236 wrqu->rts.fixed = 1;
1241 /*------------------------------------------------------------------*/
1243 * Wireless Handler : set Fragmentation threshold
1245 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1246 union iwreq_data *wrqu, char *extra)
1248 ray_dev_t *local = netdev_priv(dev);
1249 int fthr = wrqu->frag.value;
1251 /* Reject if card is already initialised */
1252 if (local->card_status != CARD_AWAITING_PARAM)
1255 /* if(wrq->u.frag.fixed == 0) should complain */
1256 if (wrqu->frag.disabled)
1259 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1262 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1263 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1265 return -EINPROGRESS; /* Call commit handler */
1268 /*------------------------------------------------------------------*/
1270 * Wireless Handler : get Fragmentation threshold
1272 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1273 union iwreq_data *wrqu, char *extra)
1275 ray_dev_t *local = netdev_priv(dev);
1277 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1278 + local->sparm.b5.a_frag_threshold[1];
1279 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1280 wrqu->frag.fixed = 1;
1285 /*------------------------------------------------------------------*/
1287 * Wireless Handler : set Mode of Operation
1289 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1290 union iwreq_data *wrqu, char *extra)
1292 ray_dev_t *local = netdev_priv(dev);
1293 int err = -EINPROGRESS; /* Call commit handler */
1296 /* Reject if card is already initialised */
1297 if (local->card_status != CARD_AWAITING_PARAM)
1300 switch (wrqu->mode) {
1305 local->sparm.b5.a_network_type = card_mode;
1314 /*------------------------------------------------------------------*/
1316 * Wireless Handler : get Mode of Operation
1318 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1319 union iwreq_data *wrqu, char *extra)
1321 ray_dev_t *local = netdev_priv(dev);
1323 if (local->sparm.b5.a_network_type)
1324 wrqu->mode = IW_MODE_INFRA;
1326 wrqu->mode = IW_MODE_ADHOC;
1331 /*------------------------------------------------------------------*/
1333 * Wireless Handler : get range info
1335 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1336 union iwreq_data *wrqu, char *extra)
1338 struct iw_range *range = (struct iw_range *)extra;
1340 memset(range, 0, sizeof(struct iw_range));
1342 /* Set the length (very important for backward compatibility) */
1343 wrqu->data.length = sizeof(struct iw_range);
1345 /* Set the Wireless Extension versions */
1346 range->we_version_compiled = WIRELESS_EXT;
1347 range->we_version_source = 9;
1349 /* Set information in the range struct */
1350 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1351 range->num_channels = hop_pattern_length[(int)country];
1352 range->num_frequency = 0;
1353 range->max_qual.qual = 0;
1354 range->max_qual.level = 255; /* What's the correct value ? */
1355 range->max_qual.noise = 255; /* Idem */
1356 range->num_bitrates = 2;
1357 range->bitrate[0] = 1000000; /* 1 Mb/s */
1358 range->bitrate[1] = 2000000; /* 2 Mb/s */
1362 /*------------------------------------------------------------------*/
1364 * Wireless Private Handler : set framing mode
1366 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1367 union iwreq_data *wrqu, char *extra)
1369 translate = !!*(extra); /* Set framing mode */
1374 /*------------------------------------------------------------------*/
1376 * Wireless Private Handler : get framing mode
1378 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1379 union iwreq_data *wrqu, char *extra)
1381 *(extra) = translate;
1386 /*------------------------------------------------------------------*/
1388 * Wireless Private Handler : get country
1390 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1391 union iwreq_data *wrqu, char *extra)
1398 /*------------------------------------------------------------------*/
1400 * Commit handler : called after a bunch of SET operations
1402 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1403 union iwreq_data *wrqu, char *extra)
1408 /*------------------------------------------------------------------*/
1410 * Stats handler : return Wireless Stats
1412 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1414 ray_dev_t *local = netdev_priv(dev);
1415 struct pcmcia_device *link = local->finder;
1416 struct status __iomem *p = local->sram + STATUS_BASE;
1418 local->wstats.status = local->card_status;
1420 if ((local->spy_data.spy_number > 0)
1421 && (local->sparm.b5.a_network_type == 0)) {
1422 /* Get it from the first node in spy list */
1423 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1424 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1425 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1426 local->wstats.qual.updated =
1427 local->spy_data.spy_stat[0].updated;
1429 #endif /* WIRELESS_SPY */
1431 if (pcmcia_dev_present(link)) {
1432 local->wstats.qual.noise = readb(&p->rxnoise);
1433 local->wstats.qual.updated |= 4;
1436 return &local->wstats;
1437 } /* end ray_get_wireless_stats */
1439 /*------------------------------------------------------------------*/
1441 * Structures to export the Wireless Handlers
1444 static const iw_handler ray_handler[] = {
1445 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1446 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1447 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1448 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1449 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1450 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1451 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1453 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1454 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1455 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1456 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1457 #endif /* WIRELESS_SPY */
1458 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1459 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1460 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1461 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1462 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1463 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1464 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1465 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1466 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1469 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1470 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1471 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1473 static const iw_handler ray_private_handler[] = {
1474 [0] = ray_set_framing,
1475 [1] = ray_get_framing,
1476 [3] = ray_get_country,
1479 static const struct iw_priv_args ray_private_args[] = {
1480 /* cmd, set_args, get_args, name */
1481 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1483 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1485 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1489 static const struct iw_handler_def ray_handler_def = {
1490 .num_standard = ARRAY_SIZE(ray_handler),
1491 .num_private = ARRAY_SIZE(ray_private_handler),
1492 .num_private_args = ARRAY_SIZE(ray_private_args),
1493 .standard = ray_handler,
1494 .private = ray_private_handler,
1495 .private_args = ray_private_args,
1496 .get_wireless_stats = ray_get_wireless_stats,
1499 /*===========================================================================*/
1500 static int ray_open(struct net_device *dev)
1502 ray_dev_t *local = netdev_priv(dev);
1503 struct pcmcia_device *link;
1504 link = local->finder;
1506 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1508 if (link->open == 0)
1509 local->num_multi = 0;
1512 /* If the card is not started, time to start it ! - Jean II */
1513 if (local->card_status == CARD_AWAITING_PARAM) {
1516 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1518 /* Download startup parameters */
1519 if ((i = dl_startup_params(dev)) < 0) {
1521 "ray_dev_init dl_startup_params failed - "
1522 "returns 0x%x\n", i);
1528 netif_stop_queue(dev);
1530 netif_start_queue(dev);
1532 dev_dbg(&link->dev, "ray_open ending\n");
1534 } /* end ray_open */
1536 /*===========================================================================*/
1537 static int ray_dev_close(struct net_device *dev)
1539 ray_dev_t *local = netdev_priv(dev);
1540 struct pcmcia_device *link;
1541 link = local->finder;
1543 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1546 netif_stop_queue(dev);
1548 /* In here, we should stop the hardware (stop card from beeing active)
1549 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1550 * card is closed we can chage its configuration.
1551 * Probably also need a COR reset to get sane state - Jean II */
1554 } /* end ray_dev_close */
1556 /*===========================================================================*/
1557 static void ray_reset(struct net_device *dev)
1559 pr_debug("ray_reset entered\n");
1562 /*===========================================================================*/
1563 /* Cause a firmware interrupt if it is ready for one */
1564 /* Return nonzero if not ready */
1565 static int interrupt_ecf(ray_dev_t *local, int ccs)
1568 struct pcmcia_device *link = local->finder;
1570 if (!(pcmcia_dev_present(link))) {
1571 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1574 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1577 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1581 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1584 /* Fill the mailbox, then kick the card */
1585 writeb(ccs, local->sram + SCB_BASE);
1586 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1588 } /* interrupt_ecf */
1590 /*===========================================================================*/
1591 /* Get next free transmit CCS */
1592 /* Return - index of current tx ccs */
1593 static int get_free_tx_ccs(ray_dev_t *local)
1596 struct ccs __iomem *pccs = ccs_base(local);
1597 struct pcmcia_device *link = local->finder;
1599 if (!(pcmcia_dev_present(link))) {
1600 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1604 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1605 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1609 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1610 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1611 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1612 writeb(CCS_END_LIST, &(pccs + i)->link);
1613 local->tx_ccs_lock = 0;
1617 local->tx_ccs_lock = 0;
1618 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1620 } /* get_free_tx_ccs */
1622 /*===========================================================================*/
1623 /* Get next free CCS */
1624 /* Return - index of current ccs */
1625 static int get_free_ccs(ray_dev_t *local)
1628 struct ccs __iomem *pccs = ccs_base(local);
1629 struct pcmcia_device *link = local->finder;
1631 if (!(pcmcia_dev_present(link))) {
1632 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1635 if (test_and_set_bit(0, &local->ccs_lock)) {
1636 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1640 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1641 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1642 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1643 writeb(CCS_END_LIST, &(pccs + i)->link);
1644 local->ccs_lock = 0;
1648 local->ccs_lock = 0;
1649 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1651 } /* get_free_ccs */
1653 /*===========================================================================*/
1654 static void authenticate_timeout(u_long data)
1656 ray_dev_t *local = (ray_dev_t *) data;
1657 del_timer(&local->timer);
1658 printk(KERN_INFO "ray_cs Authentication with access point failed"
1660 join_net((u_long) local);
1663 /*===========================================================================*/
1664 static int parse_addr(char *in_str, UCHAR *out)
1672 if ((len = strlen(in_str)) < 2)
1674 memset(out, 0, ADDRLEN);
1683 if ((k = hex_to_bin(in_str[j--])) != -1)
1690 if ((k = hex_to_bin(in_str[j--])) != -1)
1700 /*===========================================================================*/
1701 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1703 ray_dev_t *local = netdev_priv(dev);
1704 struct pcmcia_device *link = local->finder;
1705 struct status __iomem *p = local->sram + STATUS_BASE;
1706 if (!(pcmcia_dev_present(link))) {
1707 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1708 return &local->stats;
1710 if (readb(&p->mrx_overflow_for_host)) {
1711 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1712 writeb(0, &p->mrx_overflow);
1713 writeb(0, &p->mrx_overflow_for_host);
1715 if (readb(&p->mrx_checksum_error_for_host)) {
1716 local->stats.rx_crc_errors +=
1717 swab16(readw(&p->mrx_checksum_error));
1718 writeb(0, &p->mrx_checksum_error);
1719 writeb(0, &p->mrx_checksum_error_for_host);
1721 if (readb(&p->rx_hec_error_for_host)) {
1722 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1723 writeb(0, &p->rx_hec_error);
1724 writeb(0, &p->rx_hec_error_for_host);
1726 return &local->stats;
1729 /*===========================================================================*/
1730 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1733 ray_dev_t *local = netdev_priv(dev);
1734 struct pcmcia_device *link = local->finder;
1737 struct ccs __iomem *pccs;
1739 if (!(pcmcia_dev_present(link))) {
1740 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1744 if ((ccsindex = get_free_ccs(local)) < 0) {
1745 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1748 pccs = ccs_base(local) + ccsindex;
1749 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1750 writeb(objid, &pccs->var.update_param.object_id);
1751 writeb(1, &pccs->var.update_param.number_objects);
1752 writeb(0, &pccs->var.update_param.failure_cause);
1753 for (i = 0; i < len; i++) {
1754 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1756 /* Interrupt the firmware to process the command */
1757 if (interrupt_ecf(local, ccsindex)) {
1758 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1759 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1763 /*===========================================================================*/
1764 static void ray_update_multi_list(struct net_device *dev, int all)
1767 struct ccs __iomem *pccs;
1768 ray_dev_t *local = netdev_priv(dev);
1769 struct pcmcia_device *link = local->finder;
1770 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1772 if (!(pcmcia_dev_present(link))) {
1773 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1776 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1777 if ((ccsindex = get_free_ccs(local)) < 0) {
1778 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1781 pccs = ccs_base(local) + ccsindex;
1782 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1785 writeb(0xff, &pccs->var);
1786 local->num_multi = 0xff;
1788 struct netdev_hw_addr *ha;
1791 /* Copy the kernel's list of MC addresses to card */
1792 netdev_for_each_mc_addr(ha, dev) {
1793 memcpy_toio(p, ha->addr, ETH_ALEN);
1794 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1799 if (i > 256 / ADDRLEN)
1801 writeb((UCHAR) i, &pccs->var);
1802 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1803 /* Interrupt the firmware to process the command */
1804 local->num_multi = i;
1806 if (interrupt_ecf(local, ccsindex)) {
1808 "ray_cs update_multi failed - ECF not ready for intr\n");
1809 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1811 } /* end ray_update_multi_list */
1813 /*===========================================================================*/
1814 static void set_multicast_list(struct net_device *dev)
1816 ray_dev_t *local = netdev_priv(dev);
1819 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1821 if (dev->flags & IFF_PROMISC) {
1822 if (local->sparm.b5.a_promiscuous_mode == 0) {
1823 pr_debug("ray_cs set_multicast_list promisc on\n");
1824 local->sparm.b5.a_promiscuous_mode = 1;
1826 ray_update_parm(dev, OBJID_promiscuous_mode,
1827 &promisc, sizeof(promisc));
1830 if (local->sparm.b5.a_promiscuous_mode == 1) {
1831 pr_debug("ray_cs set_multicast_list promisc off\n");
1832 local->sparm.b5.a_promiscuous_mode = 0;
1834 ray_update_parm(dev, OBJID_promiscuous_mode,
1835 &promisc, sizeof(promisc));
1839 if (dev->flags & IFF_ALLMULTI)
1840 ray_update_multi_list(dev, 1);
1842 if (local->num_multi != netdev_mc_count(dev))
1843 ray_update_multi_list(dev, 0);
1845 } /* end set_multicast_list */
1847 /*=============================================================================
1848 * All routines below here are run at interrupt time.
1849 =============================================================================*/
1850 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1852 struct net_device *dev = (struct net_device *)dev_id;
1853 struct pcmcia_device *link;
1855 struct ccs __iomem *pccs;
1856 struct rcs __iomem *prcs;
1861 UCHAR memtmp[ESSID_SIZE + 1];
1864 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1867 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1869 local = netdev_priv(dev);
1870 link = local->finder;
1871 if (!pcmcia_dev_present(link)) {
1873 "ray_cs interrupt from device not present or suspended.\n");
1876 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1878 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1879 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1880 clear_interrupt(local);
1883 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1884 pccs = ccs_base(local) + rcsindex;
1885 cmd = readb(&pccs->cmd);
1886 status = readb(&pccs->buffer_status);
1888 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1889 del_timer(&local->timer);
1890 if (status == CCS_COMMAND_COMPLETE) {
1892 "ray_cs interrupt download_startup_parameters OK\n");
1895 "ray_cs interrupt download_startup_parameters fail\n");
1898 case CCS_UPDATE_PARAMS:
1899 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1900 if (status != CCS_COMMAND_COMPLETE) {
1902 readb(&pccs->var.update_param.
1905 "ray_cs interrupt update params failed - reason %d\n",
1909 case CCS_REPORT_PARAMS:
1910 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1912 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1914 "ray_cs interrupt CCS Update Multicast List done\n");
1916 case CCS_UPDATE_POWER_SAVINGS_MODE:
1918 "ray_cs interrupt update power save mode done\n");
1920 case CCS_START_NETWORK:
1921 case CCS_JOIN_NETWORK:
1922 memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1924 memtmp[ESSID_SIZE] = '\0';
1926 if (status == CCS_COMMAND_COMPLETE) {
1928 (&pccs->var.start_network.net_initiated) ==
1931 "ray_cs interrupt network \"%s\" started\n",
1935 "ray_cs interrupt network \"%s\" joined\n",
1938 memcpy_fromio(&local->bss_id,
1939 pccs->var.start_network.bssid,
1942 if (local->fw_ver == 0x55)
1943 local->net_default_tx_rate = 3;
1945 local->net_default_tx_rate =
1946 readb(&pccs->var.start_network.
1947 net_default_tx_rate);
1949 readb(&pccs->var.start_network.encryption);
1950 if (!sniffer && (local->net_type == INFRA)
1951 && !(local->sparm.b4.a_acting_as_ap_status)) {
1952 authenticate(local);
1954 local->card_status = CARD_ACQ_COMPLETE;
1956 local->card_status = CARD_ACQ_FAILED;
1958 del_timer(&local->timer);
1959 local->timer.expires = jiffies + HZ * 5;
1960 local->timer.data = (long)local;
1961 if (status == CCS_START_NETWORK) {
1963 "ray_cs interrupt network \"%s\" start failed\n",
1965 local->timer.function = start_net;
1968 "ray_cs interrupt network \"%s\" join failed\n",
1970 local->timer.function = join_net;
1972 add_timer(&local->timer);
1975 case CCS_START_ASSOCIATION:
1976 if (status == CCS_COMMAND_COMPLETE) {
1977 local->card_status = CARD_ASSOC_COMPLETE;
1978 dev_dbg(&link->dev, "ray_cs association successful\n");
1980 dev_dbg(&link->dev, "ray_cs association failed,\n");
1981 local->card_status = CARD_ASSOC_FAILED;
1982 join_net((u_long) local);
1985 case CCS_TX_REQUEST:
1986 if (status == CCS_COMMAND_COMPLETE) {
1988 "ray_cs interrupt tx request complete\n");
1991 "ray_cs interrupt tx request failed\n");
1994 netif_start_queue(dev);
1995 netif_wake_queue(dev);
1997 case CCS_TEST_MEMORY:
1998 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
2002 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2004 case CCS_DUMP_MEMORY:
2005 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2007 case CCS_START_TIMER:
2009 "ray_cs interrupt DING - raylink timer expired\n");
2013 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2016 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2017 } else { /* It's an RCS */
2019 prcs = rcs_base(local) + rcsindex;
2021 switch (readb(&prcs->interrupt_id)) {
2022 case PROCESS_RX_PACKET:
2023 ray_rx(dev, local, prcs);
2025 case REJOIN_NET_COMPLETE:
2026 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2027 local->card_status = CARD_ACQ_COMPLETE;
2028 /* do we need to clear tx buffers CCS's? */
2029 if (local->sparm.b4.a_network_type == ADHOC) {
2031 netif_start_queue(dev);
2033 memcpy_fromio(&local->bss_id,
2034 prcs->var.rejoin_net_complete.
2036 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2039 authenticate(local);
2042 case ROAMING_INITIATED:
2043 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2044 netif_stop_queue(dev);
2045 local->card_status = CARD_DOING_ACQ;
2047 case JAPAN_CALL_SIGN_RXD:
2048 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2052 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2054 (unsigned int)readb(&prcs->interrupt_id));
2057 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2059 clear_interrupt(local);
2061 } /* ray_interrupt */
2063 /*===========================================================================*/
2064 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2065 struct rcs __iomem *prcs)
2068 unsigned int pkt_addr;
2070 pr_debug("ray_rx process rx packet\n");
2072 /* Calculate address of packet within Rx buffer */
2073 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2074 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2075 /* Length of first packet fragment */
2076 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2077 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2079 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2080 pmsg = local->rmem + pkt_addr;
2081 switch (readb(pmsg)) {
2083 pr_debug("ray_rx data type\n");
2084 rx_data(dev, prcs, pkt_addr, rx_len);
2086 case AUTHENTIC_TYPE:
2087 pr_debug("ray_rx authentic type\n");
2089 rx_data(dev, prcs, pkt_addr, rx_len);
2091 rx_authenticate(local, prcs, pkt_addr, rx_len);
2093 case DEAUTHENTIC_TYPE:
2094 pr_debug("ray_rx deauth type\n");
2096 rx_data(dev, prcs, pkt_addr, rx_len);
2098 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2101 pr_debug("ray_cs rx NULL msg\n");
2104 pr_debug("ray_rx beacon type\n");
2106 rx_data(dev, prcs, pkt_addr, rx_len);
2108 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2109 rx_len < sizeof(struct beacon_rx) ?
2110 rx_len : sizeof(struct beacon_rx));
2112 local->beacon_rxed = 1;
2113 /* Get the statistics so the card counters never overflow */
2117 pr_debug("ray_cs unknown pkt type %2x\n",
2118 (unsigned int)readb(pmsg));
2124 /*===========================================================================*/
2125 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2126 unsigned int pkt_addr, int rx_len)
2128 struct sk_buff *skb = NULL;
2129 struct rcs __iomem *prcslink = prcs;
2130 ray_dev_t *local = netdev_priv(dev);
2135 int siglev = local->last_rsl;
2136 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2141 /* TBD length needs fixing for translated header */
2142 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2144 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2147 "ray_cs invalid packet length %d received\n",
2151 } else { /* encapsulated ethernet */
2153 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2155 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2158 "ray_cs invalid packet length %d received\n",
2164 pr_debug("ray_cs rx_data packet\n");
2165 /* If fragmented packet, verify sizes of fragments add up */
2166 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2167 pr_debug("ray_cs rx'ed fragment\n");
2168 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2169 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2174 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2176 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2177 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2180 prcslink = rcs_base(local)
2181 + readb(&prcslink->link_field);
2186 "ray_cs rx_data fragment lengths don't add up\n");
2187 local->stats.rx_dropped++;
2188 release_frag_chain(local, prcs);
2191 } else { /* Single unfragmented packet */
2195 skb = dev_alloc_skb(total_len + 5);
2197 pr_debug("ray_cs rx_data could not allocate skb\n");
2198 local->stats.rx_dropped++;
2199 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2200 release_frag_chain(local, prcs);
2203 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2205 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2208 /************************/
2209 /* Reserve enough room for the whole damn packet. */
2210 rx_ptr = skb_put(skb, total_len);
2211 /* Copy the whole packet to sk_buff */
2213 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2214 /* Get source address */
2216 skb_copy_from_linear_data_offset(skb,
2217 offsetof(struct mac_header, addr_2),
2218 linksrcaddr, ETH_ALEN);
2220 /* Now, deal with encapsulation/translation/sniffer */
2223 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2224 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2225 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2227 /* Do translation */
2228 untranslate(local, skb, total_len);
2230 } else { /* sniffer mode, so just pass whole packet */
2233 /************************/
2234 /* Now pick up the rest of the fragments if any */
2236 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2238 pr_debug("ray_cs rx_data in fragment loop\n");
2240 prcslink = rcs_base(local)
2242 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2244 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2247 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2250 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2252 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2256 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2259 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2261 release_frag_chain(local, prcs);
2264 skb->protocol = eth_type_trans(skb, dev);
2266 local->stats.rx_packets++;
2267 local->stats.rx_bytes += total_len;
2269 /* Gather signal strength per address */
2271 /* For the Access Point or the node having started the ad-hoc net
2272 * note : ad-hoc work only in some specific configurations, but we
2273 * kludge in ray_get_wireless_stats... */
2274 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2275 /* Update statistics */
2276 /*local->wstats.qual.qual = none ? */
2277 local->wstats.qual.level = siglev;
2278 /*local->wstats.qual.noise = none ? */
2279 local->wstats.qual.updated = 0x2;
2281 /* Now, update the spy stuff */
2283 struct iw_quality wstats;
2284 wstats.level = siglev;
2285 /* wstats.noise = none ? */
2286 /* wstats.qual = none ? */
2287 wstats.updated = 0x2;
2288 /* Update spy records */
2289 wireless_spy_update(dev, linksrcaddr, &wstats);
2291 #endif /* WIRELESS_SPY */
2294 /*===========================================================================*/
2295 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2297 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2298 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2299 __be16 type = *(__be16 *) psnap->ethertype;
2301 struct ethhdr *peth;
2302 UCHAR srcaddr[ADDRLEN];
2303 UCHAR destaddr[ADDRLEN];
2304 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2305 static const UCHAR org_1042[3] = { 0, 0, 0 };
2307 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2308 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2312 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2313 DUMP_PREFIX_NONE, 16, 1,
2314 skb->data, 64, true);
2316 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2317 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2318 psnap->org[0], psnap->org[1], psnap->org[2]);
2319 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2323 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2324 /* not a snap type so leave it alone */
2325 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2326 psnap->dsap, psnap->ssap, psnap->ctrl);
2328 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2329 peth = (struct ethhdr *)(skb->data + delta);
2330 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2331 } else { /* Its a SNAP */
2332 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2333 /* EtherII and nuke the LLC */
2334 pr_debug("ray_cs untranslate Bridge encap\n");
2335 delta = RX_MAC_HEADER_LENGTH
2336 + sizeof(struct snaphdr_t) - ETH_HLEN;
2337 peth = (struct ethhdr *)(skb->data + delta);
2338 peth->h_proto = type;
2339 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2340 switch (ntohs(type)) {
2343 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2344 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2345 peth = (struct ethhdr *)(skb->data + delta);
2347 htons(len - RX_MAC_HEADER_LENGTH);
2350 pr_debug("ray_cs untranslate RFC default\n");
2351 delta = RX_MAC_HEADER_LENGTH +
2352 sizeof(struct snaphdr_t) - ETH_HLEN;
2353 peth = (struct ethhdr *)(skb->data + delta);
2354 peth->h_proto = type;
2358 printk("ray_cs untranslate very confused by packet\n");
2359 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2360 peth = (struct ethhdr *)(skb->data + delta);
2361 peth->h_proto = type;
2364 /* TBD reserve skb_reserve(skb, delta); */
2365 skb_pull(skb, delta);
2366 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2368 memcpy(peth->h_dest, destaddr, ADDRLEN);
2369 memcpy(peth->h_source, srcaddr, ADDRLEN);
2373 printk(KERN_DEBUG "skb->data after untranslate:");
2374 for (i = 0; i < 64; i++)
2375 printk("%02x ", skb->data[i]);
2379 } /* end untranslate */
2381 /*===========================================================================*/
2382 /* Copy data from circular receive buffer to PC memory.
2383 * dest = destination address in PC memory
2384 * pkt_addr = source address in receive buffer
2385 * len = length of packet to copy
2387 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2390 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2391 if (wrap_bytes <= 0) {
2392 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2393 } else { /* Packet wrapped in circular buffer */
2395 memcpy_fromio(dest, local->rmem + pkt_addr,
2396 length - wrap_bytes);
2397 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2403 /*===========================================================================*/
2404 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2406 struct rcs __iomem *prcslink = prcs;
2408 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2411 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2412 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2413 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2417 prcslink = rcs_base(local) + rcsindex;
2418 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2420 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2423 /*===========================================================================*/
2424 static void authenticate(ray_dev_t *local)
2426 struct pcmcia_device *link = local->finder;
2427 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2428 if (!(pcmcia_dev_present(link))) {
2429 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2433 del_timer(&local->timer);
2434 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2435 local->timer.function = join_net;
2437 local->timer.function = authenticate_timeout;
2439 local->timer.expires = jiffies + HZ * 2;
2440 local->timer.data = (long)local;
2441 add_timer(&local->timer);
2442 local->authentication_state = AWAITING_RESPONSE;
2443 } /* end authenticate */
2445 /*===========================================================================*/
2446 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2447 unsigned int pkt_addr, int rx_len)
2450 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2452 del_timer(&local->timer);
2454 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2455 /* if we are trying to get authenticated */
2456 if (local->sparm.b4.a_network_type == ADHOC) {
2457 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2458 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2459 msg->var[4], msg->var[5]);
2460 if (msg->var[2] == 1) {
2461 pr_debug("ray_cs Sending authentication response.\n");
2462 if (!build_auth_frame
2463 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2464 local->authentication_state = NEED_TO_AUTH;
2465 memcpy(local->auth_id, msg->mac.addr_2,
2469 } else { /* Infrastructure network */
2471 if (local->authentication_state == AWAITING_RESPONSE) {
2472 /* Verify authentication sequence #2 and success */
2473 if (msg->var[2] == 2) {
2474 if ((msg->var[3] | msg->var[4]) == 0) {
2475 pr_debug("Authentication successful\n");
2476 local->card_status = CARD_AUTH_COMPLETE;
2478 local->authentication_state =
2481 pr_debug("Authentication refused\n");
2482 local->card_status = CARD_AUTH_REFUSED;
2483 join_net((u_long) local);
2484 local->authentication_state =
2491 } /* end rx_authenticate */
2493 /*===========================================================================*/
2494 static void associate(ray_dev_t *local)
2496 struct ccs __iomem *pccs;
2497 struct pcmcia_device *link = local->finder;
2498 struct net_device *dev = link->priv;
2500 if (!(pcmcia_dev_present(link))) {
2501 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2504 /* If no tx buffers available, return */
2505 if ((ccsindex = get_free_ccs(local)) < 0) {
2506 /* TBD should never be here but... what if we are? */
2507 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2510 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2511 pccs = ccs_base(local) + ccsindex;
2512 /* fill in the CCS */
2513 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2514 /* Interrupt the firmware to process the command */
2515 if (interrupt_ecf(local, ccsindex)) {
2516 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2517 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2519 del_timer(&local->timer);
2520 local->timer.expires = jiffies + HZ * 2;
2521 local->timer.data = (long)local;
2522 local->timer.function = join_net;
2523 add_timer(&local->timer);
2524 local->card_status = CARD_ASSOC_FAILED;
2528 netif_start_queue(dev);
2530 } /* end associate */
2532 /*===========================================================================*/
2533 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2534 unsigned int pkt_addr, int rx_len)
2537 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2539 pr_debug("Deauthentication frame received\n");
2540 local->authentication_state = UNAUTHENTICATED;
2541 /* Need to reauthenticate or rejoin depending on reason code */
2542 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2546 /*===========================================================================*/
2547 static void clear_interrupt(ray_dev_t *local)
2549 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2552 /*===========================================================================*/
2553 #ifdef CONFIG_PROC_FS
2554 #define MAXDATA (PAGE_SIZE - 80)
2556 static const char *card_status[] = {
2557 "Card inserted - uninitialized", /* 0 */
2558 "Card not downloaded", /* 1 */
2559 "Waiting for download parameters", /* 2 */
2560 "Card doing acquisition", /* 3 */
2561 "Acquisition complete", /* 4 */
2562 "Authentication complete", /* 5 */
2563 "Association complete", /* 6 */
2564 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2565 "Card init error", /* 11 */
2566 "Download parameters error", /* 12 */
2568 "Acquisition failed", /* 14 */
2569 "Authentication refused", /* 15 */
2570 "Association failed" /* 16 */
2573 static const char *nettype[] = { "Adhoc", "Infra " };
2574 static const char *framing[] = { "Encapsulation", "Translation" }
2577 /*===========================================================================*/
2578 static int ray_cs_proc_show(struct seq_file *m, void *v)
2580 /* Print current values which are not available via other means
2584 struct pcmcia_device *link;
2585 struct net_device *dev;
2588 struct freq_hop_element *pfh;
2594 dev = (struct net_device *)link->priv;
2597 local = netdev_priv(dev);
2601 seq_puts(m, "Raylink Wireless LAN driver status\n");
2602 seq_printf(m, "%s\n", rcsid);
2603 /* build 4 does not report version, and field is 0x55 after memtest */
2604 seq_puts(m, "Firmware version = ");
2605 if (local->fw_ver == 0x55)
2606 seq_puts(m, "4 - Use dump_cis for more details\n");
2608 seq_printf(m, "%2d.%02d.%02d\n",
2609 local->fw_ver, local->fw_bld, local->fw_var);
2611 for (i = 0; i < 32; i++)
2612 c[i] = local->sparm.b5.a_current_ess_id[i];
2614 seq_printf(m, "%s network ESSID = \"%s\"\n",
2615 nettype[local->sparm.b5.a_network_type], c);
2618 seq_printf(m, "BSSID = %pM\n", p);
2620 seq_printf(m, "Country code = %d\n",
2621 local->sparm.b5.a_curr_country_code);
2623 i = local->card_status;
2628 seq_printf(m, "Card status = %s\n", card_status[i]);
2630 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2632 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2634 if (local->beacon_rxed) {
2635 /* Pull some fields out of last beacon received */
2636 seq_printf(m, "Beacon Interval = %d Kus\n",
2637 local->last_bcn.beacon_intvl[0]
2638 + 256 * local->last_bcn.beacon_intvl[1]);
2640 p = local->last_bcn.elements;
2641 if (p[0] == C_ESSID_ELEMENT_ID)
2645 "Parse beacon failed at essid element id = %d\n",
2650 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2651 seq_puts(m, "Supported rate codes = ");
2652 for (i = 2; i < p[1] + 2; i++)
2653 seq_printf(m, "0x%02x ", p[i]);
2657 seq_puts(m, "Parse beacon failed at rates element\n");
2661 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2662 pfh = (struct freq_hop_element *)p;
2663 seq_printf(m, "Hop dwell = %d Kus\n",
2664 pfh->dwell_time[0] +
2665 256 * pfh->dwell_time[1]);
2666 seq_printf(m, "Hop set = %d\n",
2668 seq_printf(m, "Hop pattern = %d\n",
2670 seq_printf(m, "Hop index = %d\n",
2675 "Parse beacon failed at FH param element\n");
2679 seq_puts(m, "No beacons received\n");
2684 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2686 return single_open(file, ray_cs_proc_show, NULL);
2689 static const struct file_operations ray_cs_proc_fops = {
2690 .owner = THIS_MODULE,
2691 .open = ray_cs_proc_open,
2693 .llseek = seq_lseek,
2694 .release = single_release,
2697 /*===========================================================================*/
2698 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2701 struct ccs __iomem *pccs;
2702 struct tx_msg __iomem *ptx;
2705 /* If no tx buffers available, return */
2706 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2707 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2711 pccs = ccs_base(local) + ccsindex;
2713 /* Address in card space */
2714 addr = TX_BUF_BASE + (ccsindex << 11);
2715 /* fill in the CCS */
2716 writeb(CCS_TX_REQUEST, &pccs->cmd);
2717 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2718 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2719 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2720 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2721 pccs->var.tx_request.tx_data_length + 1);
2722 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2724 ptx = local->sram + addr;
2725 /* fill in the mac header */
2726 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2727 writeb(0, &ptx->mac.frame_ctl_2);
2729 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2730 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2731 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2733 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2734 memset_io(ptx->var, 0, 6);
2735 writeb(auth_type & 0xff, ptx->var + 2);
2737 /* Interrupt the firmware to process the command */
2738 if (interrupt_ecf(local, ccsindex)) {
2740 "ray_cs send authentication request failed - ECF not ready for intr\n");
2741 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2745 } /* End build_auth_frame */
2747 /*===========================================================================*/
2748 #ifdef CONFIG_PROC_FS
2749 static ssize_t ray_cs_essid_proc_write(struct file *file,
2750 const char __user *buffer, size_t count, loff_t *pos)
2752 static char proc_essid[33];
2753 unsigned int len = count;
2757 memset(proc_essid, 0, 33);
2758 if (copy_from_user(proc_essid, buffer, len))
2764 static const struct file_operations ray_cs_essid_proc_fops = {
2765 .owner = THIS_MODULE,
2766 .write = ray_cs_essid_proc_write,
2767 .llseek = noop_llseek,
2770 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2771 size_t count, loff_t *pos)
2773 static char proc_number[10];
2782 if (copy_from_user(proc_number, buffer, count))
2788 unsigned int c = *p - '0';
2794 *(int *)PDE_DATA(file_inode(file)) = nr;
2798 static const struct file_operations int_proc_fops = {
2799 .owner = THIS_MODULE,
2800 .write = int_proc_write,
2801 .llseek = noop_llseek,
2805 static const struct pcmcia_device_id ray_ids[] = {
2806 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2810 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2812 static struct pcmcia_driver ray_driver = {
2813 .owner = THIS_MODULE,
2816 .remove = ray_detach,
2817 .id_table = ray_ids,
2818 .suspend = ray_suspend,
2819 .resume = ray_resume,
2822 static int __init init_ray_cs(void)
2826 pr_debug("%s\n", rcsid);
2827 rc = pcmcia_register_driver(&ray_driver);
2828 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2831 #ifdef CONFIG_PROC_FS
2832 proc_mkdir("driver/ray_cs", NULL);
2834 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2835 proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2836 proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2837 proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2844 /*===========================================================================*/
2846 static void __exit exit_ray_cs(void)
2848 pr_debug("ray_cs: cleanup_module\n");
2850 #ifdef CONFIG_PROC_FS
2851 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2852 remove_proc_entry("driver/ray_cs/essid", NULL);
2853 remove_proc_entry("driver/ray_cs/net_type", NULL);
2854 remove_proc_entry("driver/ray_cs/translate", NULL);
2855 remove_proc_entry("driver/ray_cs", NULL);
2858 pcmcia_unregister_driver(&ray_driver);
2861 module_init(init_ray_cs);
2862 module_exit(exit_ray_cs);
2864 /*===========================================================================*/