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 <asm/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_change_mtu = eth_change_mtu,
279 .ndo_set_mac_address = eth_mac_addr,
280 .ndo_validate_addr = eth_validate_addr,
283 static int ray_probe(struct pcmcia_device *p_dev)
286 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 return ray_config(p_dev);
336 static void ray_detach(struct pcmcia_device *link)
338 struct net_device *dev;
341 dev_dbg(&link->dev, "ray_detach\n");
348 local = netdev_priv(dev);
349 del_timer_sync(&local->timer);
352 unregister_netdev(dev);
355 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
358 #define MAX_TUPLE_SIZE 128
359 static int ray_config(struct pcmcia_device *link)
363 struct net_device *dev = (struct net_device *)link->priv;
364 ray_dev_t *local = netdev_priv(dev);
366 dev_dbg(&link->dev, "ray_config\n");
368 /* Determine card type and firmware version */
369 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
370 link->prod_id[0] ? link->prod_id[0] : " ",
371 link->prod_id[1] ? link->prod_id[1] : " ",
372 link->prod_id[2] ? link->prod_id[2] : " ",
373 link->prod_id[3] ? link->prod_id[3] : " ");
375 /* Now allocate an interrupt line. Note that this does not
376 actually assign a handler to the interrupt.
378 ret = pcmcia_request_irq(link, ray_interrupt);
381 dev->irq = link->irq;
383 ret = pcmcia_enable_device(link);
387 /*** Set up 32k window for shared memory (transmit and control) ************/
388 link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
389 link->resource[2]->start = 0;
390 link->resource[2]->end = 0x8000;
391 ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed);
394 ret = pcmcia_map_mem_page(link, link->resource[2], 0);
397 local->sram = ioremap(link->resource[2]->start,
398 resource_size(link->resource[2]));
402 /*** Set up 16k window for shared memory (receive buffer) ***************/
403 link->resource[3]->flags |=
404 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
405 link->resource[3]->start = 0;
406 link->resource[3]->end = 0x4000;
407 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
410 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
413 local->rmem = ioremap(link->resource[3]->start,
414 resource_size(link->resource[3]));
418 /*** Set up window for attribute memory ***********************************/
419 link->resource[4]->flags |=
420 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
421 link->resource[4]->start = 0;
422 link->resource[4]->end = 0x1000;
423 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
426 ret = pcmcia_map_mem_page(link, link->resource[4], 0);
429 local->amem = ioremap(link->resource[4]->start,
430 resource_size(link->resource[4]));
434 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
435 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
436 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
437 if (ray_init(dev) < 0) {
442 SET_NETDEV_DEV(dev, &link->dev);
443 i = register_netdev(dev);
445 printk("ray_config register_netdev() failed\n");
450 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
451 dev->name, dev->irq, dev->dev_addr);
460 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
462 return dev->sram + CCS_BASE;
465 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
468 * This looks nonsensical, since there is a separate
469 * RCS_BASE. But the difference between a "struct rcs"
470 * and a "struct ccs" ends up being in the _index_ off
471 * the base, so the base pointer is the same for both
474 return dev->sram + CCS_BASE;
477 /*===========================================================================*/
478 static int ray_init(struct net_device *dev)
482 struct ccs __iomem *pccs;
483 ray_dev_t *local = netdev_priv(dev);
484 struct pcmcia_device *link = local->finder;
485 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
486 if (!(pcmcia_dev_present(link))) {
487 dev_dbg(&link->dev, "ray_init - device not present\n");
491 local->net_type = net_type;
492 local->sta_type = TYPE_STA;
494 /* Copy the startup results to local memory */
495 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
496 sizeof(struct startup_res_6));
498 /* Check Power up test status and get mac address from card */
499 if (local->startup_res.startup_word != 0x80) {
500 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
501 local->startup_res.startup_word);
502 local->card_status = CARD_INIT_ERROR;
506 local->fw_ver = local->startup_res.firmware_version[0];
507 local->fw_bld = local->startup_res.firmware_version[1];
508 local->fw_var = local->startup_res.firmware_version[2];
509 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
512 local->tib_length = 0x20;
513 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
514 local->tib_length = local->startup_res.tib_length;
515 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
516 /* Initialize CCS's to buffer free state */
517 pccs = ccs_base(local);
518 for (i = 0; i < NUMBER_OF_CCS; i++) {
519 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
521 init_startup_params(local);
523 /* copy mac address to startup parameters */
524 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
525 p = local->sparm.b4.a_mac_addr;
527 memcpy(&local->sparm.b4.a_mac_addr,
528 &local->startup_res.station_addr, ADDRLEN);
529 p = local->sparm.b4.a_mac_addr;
532 clear_interrupt(local); /* Clear any interrupt from the card */
533 local->card_status = CARD_AWAITING_PARAM;
534 dev_dbg(&link->dev, "ray_init ending\n");
538 /*===========================================================================*/
539 /* Download startup parameters to the card and command it to read them */
540 static int dl_startup_params(struct net_device *dev)
543 ray_dev_t *local = netdev_priv(dev);
544 struct ccs __iomem *pccs;
545 struct pcmcia_device *link = local->finder;
547 dev_dbg(&link->dev, "dl_startup_params entered\n");
548 if (!(pcmcia_dev_present(link))) {
549 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
553 /* Copy parameters to host to ECF area */
554 if (local->fw_ver == 0x55)
555 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
556 sizeof(struct b4_startup_params));
558 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
559 sizeof(struct b5_startup_params));
561 /* Fill in the CCS fields for the ECF */
562 if ((ccsindex = get_free_ccs(local)) < 0)
564 local->dl_param_ccs = ccsindex;
565 pccs = ccs_base(local) + ccsindex;
566 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
567 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
568 local->dl_param_ccs);
569 /* Interrupt the firmware to process the command */
570 if (interrupt_ecf(local, ccsindex)) {
571 printk(KERN_INFO "ray dl_startup_params failed - "
572 "ECF not ready for intr\n");
573 local->card_status = CARD_DL_PARAM_ERROR;
574 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
577 local->card_status = CARD_DL_PARAM;
578 /* Start kernel timer to wait for dl startup to complete. */
579 local->timer.expires = jiffies + HZ / 2;
580 local->timer.data = (long)local;
581 local->timer.function = verify_dl_startup;
582 add_timer(&local->timer);
584 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
586 } /* dl_startup_params */
588 /*===========================================================================*/
589 static void init_startup_params(ray_dev_t *local)
593 if (country > JAPAN_TEST)
595 else if (country < USA)
597 /* structure for hop time and beacon period is defined here using
598 * New 802.11D6.1 format. Card firmware is still using old format
601 * a_hop_time ms byte a_hop_time ms byte
602 * a_hop_time 2s byte a_hop_time ls byte
603 * a_hop_time ls byte a_beacon_period ms byte
604 * a_beacon_period a_beacon_period ls byte
606 * a_hop_time = uS a_hop_time = KuS
607 * a_beacon_period = hops a_beacon_period = KuS
608 *//* 64ms = 010000 */
609 if (local->fw_ver == 0x55) {
610 memcpy(&local->sparm.b4, b4_default_startup_parms,
611 sizeof(struct b4_startup_params));
612 /* Translate sane kus input values to old build 4/5 format */
613 /* i = hop time in uS truncated to 3 bytes */
614 i = (hop_dwell * 1024) & 0xffffff;
615 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
616 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
617 local->sparm.b4.a_beacon_period[0] = 0;
618 local->sparm.b4.a_beacon_period[1] =
619 ((beacon_period / hop_dwell) - 1) & 0xff;
620 local->sparm.b4.a_curr_country_code = country;
621 local->sparm.b4.a_hop_pattern_length =
622 hop_pattern_length[(int)country] - 1;
624 local->sparm.b4.a_ack_timeout = 0x50;
625 local->sparm.b4.a_sifs = 0x3f;
627 } else { /* Version 5 uses real kus values */
628 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
629 sizeof(struct b5_startup_params));
631 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
632 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
633 local->sparm.b5.a_beacon_period[0] =
634 (beacon_period >> 8) & 0xff;
635 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
637 local->sparm.b5.a_power_mgt_state = 1;
638 local->sparm.b5.a_curr_country_code = country;
639 local->sparm.b5.a_hop_pattern_length =
640 hop_pattern_length[(int)country];
643 local->sparm.b4.a_network_type = net_type & 0x01;
644 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
647 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
648 } /* init_startup_params */
650 /*===========================================================================*/
651 static void verify_dl_startup(u_long data)
653 ray_dev_t *local = (ray_dev_t *) data;
654 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
656 struct pcmcia_device *link = local->finder;
658 if (!(pcmcia_dev_present(link))) {
659 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
666 "verify_dl_startup parameters sent via ccs %d:\n",
667 local->dl_param_ccs);
668 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
670 (unsigned int)readb(local->sram +
671 HOST_TO_ECF_BASE + i));
677 status = readb(&pccs->buffer_status);
678 if (status != CCS_BUFFER_FREE) {
680 "Download startup params failed. Status = %d\n",
682 local->card_status = CARD_DL_PARAM_ERROR;
685 if (local->sparm.b4.a_network_type == ADHOC)
686 start_net((u_long) local);
688 join_net((u_long) local);
689 } /* end verify_dl_startup */
691 /*===========================================================================*/
692 /* Command card to start a network */
693 static void start_net(u_long data)
695 ray_dev_t *local = (ray_dev_t *) data;
696 struct ccs __iomem *pccs;
698 struct pcmcia_device *link = local->finder;
699 if (!(pcmcia_dev_present(link))) {
700 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
703 /* Fill in the CCS fields for the ECF */
704 if ((ccsindex = get_free_ccs(local)) < 0)
706 pccs = ccs_base(local) + ccsindex;
707 writeb(CCS_START_NETWORK, &pccs->cmd);
708 writeb(0, &pccs->var.start_network.update_param);
709 /* Interrupt the firmware to process the command */
710 if (interrupt_ecf(local, ccsindex)) {
711 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
712 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
715 local->card_status = CARD_DOING_ACQ;
716 } /* end start_net */
718 /*===========================================================================*/
719 /* Command card to join a network */
720 static void join_net(u_long data)
722 ray_dev_t *local = (ray_dev_t *) data;
724 struct ccs __iomem *pccs;
726 struct pcmcia_device *link = local->finder;
728 if (!(pcmcia_dev_present(link))) {
729 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
732 /* Fill in the CCS fields for the ECF */
733 if ((ccsindex = get_free_ccs(local)) < 0)
735 pccs = ccs_base(local) + ccsindex;
736 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
737 writeb(0, &pccs->var.join_network.update_param);
738 writeb(0, &pccs->var.join_network.net_initiated);
739 /* Interrupt the firmware to process the command */
740 if (interrupt_ecf(local, ccsindex)) {
741 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
742 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
745 local->card_status = CARD_DOING_ACQ;
749 static void ray_release(struct pcmcia_device *link)
751 struct net_device *dev = link->priv;
752 ray_dev_t *local = netdev_priv(dev);
754 dev_dbg(&link->dev, "ray_release\n");
756 del_timer(&local->timer);
758 iounmap(local->sram);
759 iounmap(local->rmem);
760 iounmap(local->amem);
761 pcmcia_disable_device(link);
763 dev_dbg(&link->dev, "ray_release ending\n");
766 static int ray_suspend(struct pcmcia_device *link)
768 struct net_device *dev = link->priv;
771 netif_device_detach(dev);
776 static int ray_resume(struct pcmcia_device *link)
778 struct net_device *dev = link->priv;
782 netif_device_attach(dev);
788 /*===========================================================================*/
789 static int ray_dev_init(struct net_device *dev)
791 #ifdef RAY_IMMEDIATE_INIT
793 #endif /* RAY_IMMEDIATE_INIT */
794 ray_dev_t *local = netdev_priv(dev);
795 struct pcmcia_device *link = local->finder;
797 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
798 if (!(pcmcia_dev_present(link))) {
799 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
802 #ifdef RAY_IMMEDIATE_INIT
803 /* Download startup parameters */
804 if ((i = dl_startup_params(dev)) < 0) {
805 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
806 "returns 0x%x\n", i);
809 #else /* RAY_IMMEDIATE_INIT */
810 /* Postpone the card init so that we can still configure the card,
811 * for example using the Wireless Extensions. The init will happen
812 * in ray_open() - Jean II */
814 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
816 #endif /* RAY_IMMEDIATE_INIT */
818 /* copy mac and broadcast addresses to linux device */
819 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
820 eth_broadcast_addr(dev->broadcast);
822 dev_dbg(&link->dev, "ray_dev_init ending\n");
826 /*===========================================================================*/
827 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
829 ray_dev_t *local = netdev_priv(dev);
830 struct pcmcia_device *link = local->finder;
831 /* Dummy routine to satisfy device structure */
832 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
833 if (!(pcmcia_dev_present(link))) {
834 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
841 /*===========================================================================*/
842 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
843 struct net_device *dev)
845 ray_dev_t *local = netdev_priv(dev);
846 struct pcmcia_device *link = local->finder;
847 short length = skb->len;
849 if (!pcmcia_dev_present(link)) {
850 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
855 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
856 if (local->authentication_state == NEED_TO_AUTH) {
857 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
858 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
859 local->authentication_state = AUTHENTICATED;
860 netif_stop_queue(dev);
861 return NETDEV_TX_BUSY;
865 if (length < ETH_ZLEN) {
866 if (skb_padto(skb, ETH_ZLEN))
870 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
873 netif_stop_queue(dev);
874 return NETDEV_TX_BUSY;
883 } /* ray_dev_start_xmit */
885 /*===========================================================================*/
886 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
889 ray_dev_t *local = netdev_priv(dev);
890 struct ccs __iomem *pccs;
893 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
894 short int addr; /* Address of xmit buffer in card space */
896 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
897 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
898 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
902 switch (ccsindex = get_free_tx_ccs(local)) {
904 pr_debug("ray_hw_xmit tx_ccs table busy\n");
906 pr_debug("ray_hw_xmit No free tx ccs\n");
908 netif_stop_queue(dev);
913 addr = TX_BUF_BASE + (ccsindex << 11);
915 if (msg_type == DATA_TYPE) {
916 local->stats.tx_bytes += len;
917 local->stats.tx_packets++;
920 ptx = local->sram + addr;
922 ray_build_header(local, ptx, msg_type, data);
924 offset = translate_frame(local, ptx, data, len);
925 } else { /* Encapsulate frame */
926 /* TBD TIB length will move address of ptx->var */
927 memcpy_toio(&ptx->var, data, len);
931 /* fill in the CCS */
932 pccs = ccs_base(local) + ccsindex;
933 len += TX_HEADER_LENGTH + offset;
934 writeb(CCS_TX_REQUEST, &pccs->cmd);
935 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
936 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
937 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
938 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
939 /* TBD still need psm_cam? */
940 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
941 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
942 writeb(0, &pccs->var.tx_request.antenna);
943 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
944 local->net_default_tx_rate);
946 /* Interrupt the firmware to process the command */
947 if (interrupt_ecf(local, ccsindex)) {
948 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
949 /* TBD very inefficient to copy packet to buffer, and then not
950 send it, but the alternative is to queue the messages and that
951 won't be done for a while. Maybe set tbusy until a CCS is free?
953 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
957 } /* end ray_hw_xmit */
959 /*===========================================================================*/
960 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
961 unsigned char *data, int len)
963 __be16 proto = ((struct ethhdr *)data)->h_proto;
964 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
965 pr_debug("ray_cs translate_frame DIX II\n");
966 /* Copy LLC header to card buffer */
967 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
968 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
969 (UCHAR *) &proto, 2);
970 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
971 /* This is the selective translation table, only 2 entries */
973 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
975 /* Copy body of ethernet packet without ethernet header */
976 memcpy_toio((void __iomem *)&ptx->var +
977 sizeof(struct snaphdr_t), data + ETH_HLEN,
979 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
980 } else { /* already 802 type, and proto is length */
981 pr_debug("ray_cs translate_frame 802\n");
982 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
983 pr_debug("ray_cs translate_frame evil IPX\n");
984 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
987 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
990 /* TBD do other frame types */
991 } /* end translate_frame */
993 /*===========================================================================*/
994 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
995 UCHAR msg_type, unsigned char *data)
997 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
998 /*** IEEE 802.11 Address field assignments *************
999 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1000 Adhoc 0 0 dest src (terminal) BSSID N/A
1001 AP to Terminal 0 1 dest AP(BSSID) source N/A
1002 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1003 AP to AP 1 1 dest AP src AP dest source
1004 *******************************************************/
1005 if (local->net_type == ADHOC) {
1006 writeb(0, &ptx->mac.frame_ctl_2);
1007 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1009 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1010 } else { /* infrastructure */
1012 if (local->sparm.b4.a_acting_as_ap_status) {
1013 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1014 memcpy_toio(ptx->mac.addr_1,
1015 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1016 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1017 memcpy_toio(ptx->mac.addr_3,
1018 ((struct ethhdr *)data)->h_source, ADDRLEN);
1019 } else { /* Terminal */
1021 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1022 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1023 memcpy_toio(ptx->mac.addr_2,
1024 ((struct ethhdr *)data)->h_source, ADDRLEN);
1025 memcpy_toio(ptx->mac.addr_3,
1026 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1029 } /* end encapsulate_frame */
1031 /*====================================================================*/
1033 /*------------------------------------------------------------------*/
1035 * Wireless Handler : get protocol name
1037 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1038 union iwreq_data *wrqu, char *extra)
1040 strcpy(wrqu->name, "IEEE 802.11-FH");
1044 /*------------------------------------------------------------------*/
1046 * Wireless Handler : set frequency
1048 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1049 union iwreq_data *wrqu, char *extra)
1051 ray_dev_t *local = netdev_priv(dev);
1052 int err = -EINPROGRESS; /* Call commit handler */
1054 /* Reject if card is already initialised */
1055 if (local->card_status != CARD_AWAITING_PARAM)
1058 /* Setting by channel number */
1059 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1062 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1067 /*------------------------------------------------------------------*/
1069 * Wireless Handler : get frequency
1071 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1072 union iwreq_data *wrqu, char *extra)
1074 ray_dev_t *local = netdev_priv(dev);
1076 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1081 /*------------------------------------------------------------------*/
1083 * Wireless Handler : set ESSID
1085 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1086 union iwreq_data *wrqu, char *extra)
1088 ray_dev_t *local = netdev_priv(dev);
1090 /* Reject if card is already initialised */
1091 if (local->card_status != CARD_AWAITING_PARAM)
1094 /* Check if we asked for `any' */
1095 if (wrqu->essid.flags == 0)
1096 /* Corey : can you do that ? */
1099 /* Check the size of the string */
1100 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1103 /* Set the ESSID in the card */
1104 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1105 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1107 return -EINPROGRESS; /* Call commit handler */
1110 /*------------------------------------------------------------------*/
1112 * Wireless Handler : get ESSID
1114 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1115 union iwreq_data *wrqu, char *extra)
1117 ray_dev_t *local = netdev_priv(dev);
1118 UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1120 /* Get the essid that was set */
1121 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1122 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1123 tmp[IW_ESSID_MAX_SIZE] = '\0';
1126 wrqu->essid.length = strlen(tmp);
1127 wrqu->essid.flags = 1; /* active */
1132 /*------------------------------------------------------------------*/
1134 * Wireless Handler : get AP address
1136 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1137 union iwreq_data *wrqu, char *extra)
1139 ray_dev_t *local = netdev_priv(dev);
1141 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1142 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1147 /*------------------------------------------------------------------*/
1149 * Wireless Handler : set Bit-Rate
1151 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1152 union iwreq_data *wrqu, char *extra)
1154 ray_dev_t *local = netdev_priv(dev);
1156 /* Reject if card is already initialised */
1157 if (local->card_status != CARD_AWAITING_PARAM)
1160 /* Check if rate is in range */
1161 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1164 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1165 if ((local->fw_ver == 0x55) && /* Please check */
1166 (wrqu->bitrate.value == 2000000))
1167 local->net_default_tx_rate = 3;
1169 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1174 /*------------------------------------------------------------------*/
1176 * Wireless Handler : get Bit-Rate
1178 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1179 union iwreq_data *wrqu, char *extra)
1181 ray_dev_t *local = netdev_priv(dev);
1183 if (local->net_default_tx_rate == 3)
1184 wrqu->bitrate.value = 2000000; /* Hum... */
1186 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1187 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1192 /*------------------------------------------------------------------*/
1194 * Wireless Handler : set RTS threshold
1196 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1197 union iwreq_data *wrqu, char *extra)
1199 ray_dev_t *local = netdev_priv(dev);
1200 int rthr = wrqu->rts.value;
1202 /* Reject if card is already initialised */
1203 if (local->card_status != CARD_AWAITING_PARAM)
1206 /* if(wrq->u.rts.fixed == 0) we should complain */
1207 if (wrqu->rts.disabled)
1210 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1213 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1214 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1216 return -EINPROGRESS; /* Call commit handler */
1219 /*------------------------------------------------------------------*/
1221 * Wireless Handler : get RTS threshold
1223 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1224 union iwreq_data *wrqu, char *extra)
1226 ray_dev_t *local = netdev_priv(dev);
1228 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1229 + local->sparm.b5.a_rts_threshold[1];
1230 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1231 wrqu->rts.fixed = 1;
1236 /*------------------------------------------------------------------*/
1238 * Wireless Handler : set Fragmentation threshold
1240 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1241 union iwreq_data *wrqu, char *extra)
1243 ray_dev_t *local = netdev_priv(dev);
1244 int fthr = wrqu->frag.value;
1246 /* Reject if card is already initialised */
1247 if (local->card_status != CARD_AWAITING_PARAM)
1250 /* if(wrq->u.frag.fixed == 0) should complain */
1251 if (wrqu->frag.disabled)
1254 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1257 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1258 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1260 return -EINPROGRESS; /* Call commit handler */
1263 /*------------------------------------------------------------------*/
1265 * Wireless Handler : get Fragmentation threshold
1267 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1268 union iwreq_data *wrqu, char *extra)
1270 ray_dev_t *local = netdev_priv(dev);
1272 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1273 + local->sparm.b5.a_frag_threshold[1];
1274 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1275 wrqu->frag.fixed = 1;
1280 /*------------------------------------------------------------------*/
1282 * Wireless Handler : set Mode of Operation
1284 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1285 union iwreq_data *wrqu, char *extra)
1287 ray_dev_t *local = netdev_priv(dev);
1288 int err = -EINPROGRESS; /* Call commit handler */
1291 /* Reject if card is already initialised */
1292 if (local->card_status != CARD_AWAITING_PARAM)
1295 switch (wrqu->mode) {
1300 local->sparm.b5.a_network_type = card_mode;
1309 /*------------------------------------------------------------------*/
1311 * Wireless Handler : get Mode of Operation
1313 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1314 union iwreq_data *wrqu, char *extra)
1316 ray_dev_t *local = netdev_priv(dev);
1318 if (local->sparm.b5.a_network_type)
1319 wrqu->mode = IW_MODE_INFRA;
1321 wrqu->mode = IW_MODE_ADHOC;
1326 /*------------------------------------------------------------------*/
1328 * Wireless Handler : get range info
1330 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1331 union iwreq_data *wrqu, char *extra)
1333 struct iw_range *range = (struct iw_range *)extra;
1335 memset(range, 0, sizeof(struct iw_range));
1337 /* Set the length (very important for backward compatibility) */
1338 wrqu->data.length = sizeof(struct iw_range);
1340 /* Set the Wireless Extension versions */
1341 range->we_version_compiled = WIRELESS_EXT;
1342 range->we_version_source = 9;
1344 /* Set information in the range struct */
1345 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1346 range->num_channels = hop_pattern_length[(int)country];
1347 range->num_frequency = 0;
1348 range->max_qual.qual = 0;
1349 range->max_qual.level = 255; /* What's the correct value ? */
1350 range->max_qual.noise = 255; /* Idem */
1351 range->num_bitrates = 2;
1352 range->bitrate[0] = 1000000; /* 1 Mb/s */
1353 range->bitrate[1] = 2000000; /* 2 Mb/s */
1357 /*------------------------------------------------------------------*/
1359 * Wireless Private Handler : set framing mode
1361 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1362 union iwreq_data *wrqu, char *extra)
1364 translate = !!*(extra); /* Set framing mode */
1369 /*------------------------------------------------------------------*/
1371 * Wireless Private Handler : get framing mode
1373 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1374 union iwreq_data *wrqu, char *extra)
1376 *(extra) = translate;
1381 /*------------------------------------------------------------------*/
1383 * Wireless Private Handler : get country
1385 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1386 union iwreq_data *wrqu, char *extra)
1393 /*------------------------------------------------------------------*/
1395 * Commit handler : called after a bunch of SET operations
1397 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1398 union iwreq_data *wrqu, char *extra)
1403 /*------------------------------------------------------------------*/
1405 * Stats handler : return Wireless Stats
1407 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1409 ray_dev_t *local = netdev_priv(dev);
1410 struct pcmcia_device *link = local->finder;
1411 struct status __iomem *p = local->sram + STATUS_BASE;
1413 local->wstats.status = local->card_status;
1415 if ((local->spy_data.spy_number > 0)
1416 && (local->sparm.b5.a_network_type == 0)) {
1417 /* Get it from the first node in spy list */
1418 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1419 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1420 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1421 local->wstats.qual.updated =
1422 local->spy_data.spy_stat[0].updated;
1424 #endif /* WIRELESS_SPY */
1426 if (pcmcia_dev_present(link)) {
1427 local->wstats.qual.noise = readb(&p->rxnoise);
1428 local->wstats.qual.updated |= 4;
1431 return &local->wstats;
1432 } /* end ray_get_wireless_stats */
1434 /*------------------------------------------------------------------*/
1436 * Structures to export the Wireless Handlers
1439 static const iw_handler ray_handler[] = {
1440 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1441 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1442 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1443 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1444 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1445 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1446 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1448 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1449 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1450 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1451 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1452 #endif /* WIRELESS_SPY */
1453 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1454 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1455 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1456 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1457 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1458 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1459 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1460 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1461 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1464 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1465 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1466 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1468 static const iw_handler ray_private_handler[] = {
1469 [0] = ray_set_framing,
1470 [1] = ray_get_framing,
1471 [3] = ray_get_country,
1474 static const struct iw_priv_args ray_private_args[] = {
1475 /* cmd, set_args, get_args, name */
1476 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1478 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1480 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1484 static const struct iw_handler_def ray_handler_def = {
1485 .num_standard = ARRAY_SIZE(ray_handler),
1486 .num_private = ARRAY_SIZE(ray_private_handler),
1487 .num_private_args = ARRAY_SIZE(ray_private_args),
1488 .standard = ray_handler,
1489 .private = ray_private_handler,
1490 .private_args = ray_private_args,
1491 .get_wireless_stats = ray_get_wireless_stats,
1494 /*===========================================================================*/
1495 static int ray_open(struct net_device *dev)
1497 ray_dev_t *local = netdev_priv(dev);
1498 struct pcmcia_device *link;
1499 link = local->finder;
1501 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1503 if (link->open == 0)
1504 local->num_multi = 0;
1507 /* If the card is not started, time to start it ! - Jean II */
1508 if (local->card_status == CARD_AWAITING_PARAM) {
1511 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1513 /* Download startup parameters */
1514 if ((i = dl_startup_params(dev)) < 0) {
1516 "ray_dev_init dl_startup_params failed - "
1517 "returns 0x%x\n", i);
1523 netif_stop_queue(dev);
1525 netif_start_queue(dev);
1527 dev_dbg(&link->dev, "ray_open ending\n");
1529 } /* end ray_open */
1531 /*===========================================================================*/
1532 static int ray_dev_close(struct net_device *dev)
1534 ray_dev_t *local = netdev_priv(dev);
1535 struct pcmcia_device *link;
1536 link = local->finder;
1538 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1541 netif_stop_queue(dev);
1543 /* In here, we should stop the hardware (stop card from beeing active)
1544 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1545 * card is closed we can chage its configuration.
1546 * Probably also need a COR reset to get sane state - Jean II */
1549 } /* end ray_dev_close */
1551 /*===========================================================================*/
1552 static void ray_reset(struct net_device *dev)
1554 pr_debug("ray_reset entered\n");
1557 /*===========================================================================*/
1558 /* Cause a firmware interrupt if it is ready for one */
1559 /* Return nonzero if not ready */
1560 static int interrupt_ecf(ray_dev_t *local, int ccs)
1563 struct pcmcia_device *link = local->finder;
1565 if (!(pcmcia_dev_present(link))) {
1566 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1569 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1572 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1576 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1579 /* Fill the mailbox, then kick the card */
1580 writeb(ccs, local->sram + SCB_BASE);
1581 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1583 } /* interrupt_ecf */
1585 /*===========================================================================*/
1586 /* Get next free transmit CCS */
1587 /* Return - index of current tx ccs */
1588 static int get_free_tx_ccs(ray_dev_t *local)
1591 struct ccs __iomem *pccs = ccs_base(local);
1592 struct pcmcia_device *link = local->finder;
1594 if (!(pcmcia_dev_present(link))) {
1595 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1599 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1600 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1604 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1605 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1606 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1607 writeb(CCS_END_LIST, &(pccs + i)->link);
1608 local->tx_ccs_lock = 0;
1612 local->tx_ccs_lock = 0;
1613 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1615 } /* get_free_tx_ccs */
1617 /*===========================================================================*/
1618 /* Get next free CCS */
1619 /* Return - index of current ccs */
1620 static int get_free_ccs(ray_dev_t *local)
1623 struct ccs __iomem *pccs = ccs_base(local);
1624 struct pcmcia_device *link = local->finder;
1626 if (!(pcmcia_dev_present(link))) {
1627 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1630 if (test_and_set_bit(0, &local->ccs_lock)) {
1631 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1635 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1636 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1637 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1638 writeb(CCS_END_LIST, &(pccs + i)->link);
1639 local->ccs_lock = 0;
1643 local->ccs_lock = 0;
1644 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1646 } /* get_free_ccs */
1648 /*===========================================================================*/
1649 static void authenticate_timeout(u_long data)
1651 ray_dev_t *local = (ray_dev_t *) data;
1652 del_timer(&local->timer);
1653 printk(KERN_INFO "ray_cs Authentication with access point failed"
1655 join_net((u_long) local);
1658 /*===========================================================================*/
1659 static int parse_addr(char *in_str, UCHAR *out)
1667 if ((len = strlen(in_str)) < 2)
1669 memset(out, 0, ADDRLEN);
1678 if ((k = hex_to_bin(in_str[j--])) != -1)
1685 if ((k = hex_to_bin(in_str[j--])) != -1)
1695 /*===========================================================================*/
1696 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1698 ray_dev_t *local = netdev_priv(dev);
1699 struct pcmcia_device *link = local->finder;
1700 struct status __iomem *p = local->sram + STATUS_BASE;
1701 if (!(pcmcia_dev_present(link))) {
1702 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1703 return &local->stats;
1705 if (readb(&p->mrx_overflow_for_host)) {
1706 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1707 writeb(0, &p->mrx_overflow);
1708 writeb(0, &p->mrx_overflow_for_host);
1710 if (readb(&p->mrx_checksum_error_for_host)) {
1711 local->stats.rx_crc_errors +=
1712 swab16(readw(&p->mrx_checksum_error));
1713 writeb(0, &p->mrx_checksum_error);
1714 writeb(0, &p->mrx_checksum_error_for_host);
1716 if (readb(&p->rx_hec_error_for_host)) {
1717 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1718 writeb(0, &p->rx_hec_error);
1719 writeb(0, &p->rx_hec_error_for_host);
1721 return &local->stats;
1724 /*===========================================================================*/
1725 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1728 ray_dev_t *local = netdev_priv(dev);
1729 struct pcmcia_device *link = local->finder;
1732 struct ccs __iomem *pccs;
1734 if (!(pcmcia_dev_present(link))) {
1735 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1739 if ((ccsindex = get_free_ccs(local)) < 0) {
1740 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1743 pccs = ccs_base(local) + ccsindex;
1744 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1745 writeb(objid, &pccs->var.update_param.object_id);
1746 writeb(1, &pccs->var.update_param.number_objects);
1747 writeb(0, &pccs->var.update_param.failure_cause);
1748 for (i = 0; i < len; i++) {
1749 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1751 /* Interrupt the firmware to process the command */
1752 if (interrupt_ecf(local, ccsindex)) {
1753 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1754 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1758 /*===========================================================================*/
1759 static void ray_update_multi_list(struct net_device *dev, int all)
1762 struct ccs __iomem *pccs;
1763 ray_dev_t *local = netdev_priv(dev);
1764 struct pcmcia_device *link = local->finder;
1765 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1767 if (!(pcmcia_dev_present(link))) {
1768 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1771 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1772 if ((ccsindex = get_free_ccs(local)) < 0) {
1773 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1776 pccs = ccs_base(local) + ccsindex;
1777 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1780 writeb(0xff, &pccs->var);
1781 local->num_multi = 0xff;
1783 struct netdev_hw_addr *ha;
1786 /* Copy the kernel's list of MC addresses to card */
1787 netdev_for_each_mc_addr(ha, dev) {
1788 memcpy_toio(p, ha->addr, ETH_ALEN);
1789 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1794 if (i > 256 / ADDRLEN)
1796 writeb((UCHAR) i, &pccs->var);
1797 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1798 /* Interrupt the firmware to process the command */
1799 local->num_multi = i;
1801 if (interrupt_ecf(local, ccsindex)) {
1803 "ray_cs update_multi failed - ECF not ready for intr\n");
1804 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1806 } /* end ray_update_multi_list */
1808 /*===========================================================================*/
1809 static void set_multicast_list(struct net_device *dev)
1811 ray_dev_t *local = netdev_priv(dev);
1814 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1816 if (dev->flags & IFF_PROMISC) {
1817 if (local->sparm.b5.a_promiscuous_mode == 0) {
1818 pr_debug("ray_cs set_multicast_list promisc on\n");
1819 local->sparm.b5.a_promiscuous_mode = 1;
1821 ray_update_parm(dev, OBJID_promiscuous_mode,
1822 &promisc, sizeof(promisc));
1825 if (local->sparm.b5.a_promiscuous_mode == 1) {
1826 pr_debug("ray_cs set_multicast_list promisc off\n");
1827 local->sparm.b5.a_promiscuous_mode = 0;
1829 ray_update_parm(dev, OBJID_promiscuous_mode,
1830 &promisc, sizeof(promisc));
1834 if (dev->flags & IFF_ALLMULTI)
1835 ray_update_multi_list(dev, 1);
1837 if (local->num_multi != netdev_mc_count(dev))
1838 ray_update_multi_list(dev, 0);
1840 } /* end set_multicast_list */
1842 /*=============================================================================
1843 * All routines below here are run at interrupt time.
1844 =============================================================================*/
1845 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1847 struct net_device *dev = (struct net_device *)dev_id;
1848 struct pcmcia_device *link;
1850 struct ccs __iomem *pccs;
1851 struct rcs __iomem *prcs;
1856 UCHAR memtmp[ESSID_SIZE + 1];
1859 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1862 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1864 local = netdev_priv(dev);
1865 link = local->finder;
1866 if (!pcmcia_dev_present(link)) {
1868 "ray_cs interrupt from device not present or suspended.\n");
1871 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1873 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1874 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1875 clear_interrupt(local);
1878 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1879 pccs = ccs_base(local) + rcsindex;
1880 cmd = readb(&pccs->cmd);
1881 status = readb(&pccs->buffer_status);
1883 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1884 del_timer(&local->timer);
1885 if (status == CCS_COMMAND_COMPLETE) {
1887 "ray_cs interrupt download_startup_parameters OK\n");
1890 "ray_cs interrupt download_startup_parameters fail\n");
1893 case CCS_UPDATE_PARAMS:
1894 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1895 if (status != CCS_COMMAND_COMPLETE) {
1897 readb(&pccs->var.update_param.
1900 "ray_cs interrupt update params failed - reason %d\n",
1904 case CCS_REPORT_PARAMS:
1905 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1907 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1909 "ray_cs interrupt CCS Update Multicast List done\n");
1911 case CCS_UPDATE_POWER_SAVINGS_MODE:
1913 "ray_cs interrupt update power save mode done\n");
1915 case CCS_START_NETWORK:
1916 case CCS_JOIN_NETWORK:
1917 memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1919 memtmp[ESSID_SIZE] = '\0';
1921 if (status == CCS_COMMAND_COMPLETE) {
1923 (&pccs->var.start_network.net_initiated) ==
1926 "ray_cs interrupt network \"%s\" started\n",
1930 "ray_cs interrupt network \"%s\" joined\n",
1933 memcpy_fromio(&local->bss_id,
1934 pccs->var.start_network.bssid,
1937 if (local->fw_ver == 0x55)
1938 local->net_default_tx_rate = 3;
1940 local->net_default_tx_rate =
1941 readb(&pccs->var.start_network.
1942 net_default_tx_rate);
1944 readb(&pccs->var.start_network.encryption);
1945 if (!sniffer && (local->net_type == INFRA)
1946 && !(local->sparm.b4.a_acting_as_ap_status)) {
1947 authenticate(local);
1949 local->card_status = CARD_ACQ_COMPLETE;
1951 local->card_status = CARD_ACQ_FAILED;
1953 del_timer(&local->timer);
1954 local->timer.expires = jiffies + HZ * 5;
1955 local->timer.data = (long)local;
1956 if (status == CCS_START_NETWORK) {
1958 "ray_cs interrupt network \"%s\" start failed\n",
1960 local->timer.function = start_net;
1963 "ray_cs interrupt network \"%s\" join failed\n",
1965 local->timer.function = join_net;
1967 add_timer(&local->timer);
1970 case CCS_START_ASSOCIATION:
1971 if (status == CCS_COMMAND_COMPLETE) {
1972 local->card_status = CARD_ASSOC_COMPLETE;
1973 dev_dbg(&link->dev, "ray_cs association successful\n");
1975 dev_dbg(&link->dev, "ray_cs association failed,\n");
1976 local->card_status = CARD_ASSOC_FAILED;
1977 join_net((u_long) local);
1980 case CCS_TX_REQUEST:
1981 if (status == CCS_COMMAND_COMPLETE) {
1983 "ray_cs interrupt tx request complete\n");
1986 "ray_cs interrupt tx request failed\n");
1989 netif_start_queue(dev);
1990 netif_wake_queue(dev);
1992 case CCS_TEST_MEMORY:
1993 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
1997 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
1999 case CCS_DUMP_MEMORY:
2000 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2002 case CCS_START_TIMER:
2004 "ray_cs interrupt DING - raylink timer expired\n");
2008 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2011 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2012 } else { /* It's an RCS */
2014 prcs = rcs_base(local) + rcsindex;
2016 switch (readb(&prcs->interrupt_id)) {
2017 case PROCESS_RX_PACKET:
2018 ray_rx(dev, local, prcs);
2020 case REJOIN_NET_COMPLETE:
2021 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2022 local->card_status = CARD_ACQ_COMPLETE;
2023 /* do we need to clear tx buffers CCS's? */
2024 if (local->sparm.b4.a_network_type == ADHOC) {
2026 netif_start_queue(dev);
2028 memcpy_fromio(&local->bss_id,
2029 prcs->var.rejoin_net_complete.
2031 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2034 authenticate(local);
2037 case ROAMING_INITIATED:
2038 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2039 netif_stop_queue(dev);
2040 local->card_status = CARD_DOING_ACQ;
2042 case JAPAN_CALL_SIGN_RXD:
2043 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2047 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2049 (unsigned int)readb(&prcs->interrupt_id));
2052 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2054 clear_interrupt(local);
2056 } /* ray_interrupt */
2058 /*===========================================================================*/
2059 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2060 struct rcs __iomem *prcs)
2063 unsigned int pkt_addr;
2065 pr_debug("ray_rx process rx packet\n");
2067 /* Calculate address of packet within Rx buffer */
2068 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2069 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2070 /* Length of first packet fragment */
2071 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2072 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2074 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2075 pmsg = local->rmem + pkt_addr;
2076 switch (readb(pmsg)) {
2078 pr_debug("ray_rx data type\n");
2079 rx_data(dev, prcs, pkt_addr, rx_len);
2081 case AUTHENTIC_TYPE:
2082 pr_debug("ray_rx authentic type\n");
2084 rx_data(dev, prcs, pkt_addr, rx_len);
2086 rx_authenticate(local, prcs, pkt_addr, rx_len);
2088 case DEAUTHENTIC_TYPE:
2089 pr_debug("ray_rx deauth type\n");
2091 rx_data(dev, prcs, pkt_addr, rx_len);
2093 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2096 pr_debug("ray_cs rx NULL msg\n");
2099 pr_debug("ray_rx beacon type\n");
2101 rx_data(dev, prcs, pkt_addr, rx_len);
2103 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2104 rx_len < sizeof(struct beacon_rx) ?
2105 rx_len : sizeof(struct beacon_rx));
2107 local->beacon_rxed = 1;
2108 /* Get the statistics so the card counters never overflow */
2112 pr_debug("ray_cs unknown pkt type %2x\n",
2113 (unsigned int)readb(pmsg));
2119 /*===========================================================================*/
2120 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2121 unsigned int pkt_addr, int rx_len)
2123 struct sk_buff *skb = NULL;
2124 struct rcs __iomem *prcslink = prcs;
2125 ray_dev_t *local = netdev_priv(dev);
2130 int siglev = local->last_rsl;
2131 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2136 /* TBD length needs fixing for translated header */
2137 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2139 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2142 "ray_cs invalid packet length %d received\n",
2146 } else { /* encapsulated ethernet */
2148 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2150 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2153 "ray_cs invalid packet length %d received\n",
2159 pr_debug("ray_cs rx_data packet\n");
2160 /* If fragmented packet, verify sizes of fragments add up */
2161 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2162 pr_debug("ray_cs rx'ed fragment\n");
2163 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2164 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2169 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2171 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2172 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2175 prcslink = rcs_base(local)
2176 + readb(&prcslink->link_field);
2181 "ray_cs rx_data fragment lengths don't add up\n");
2182 local->stats.rx_dropped++;
2183 release_frag_chain(local, prcs);
2186 } else { /* Single unfragmented packet */
2190 skb = dev_alloc_skb(total_len + 5);
2192 pr_debug("ray_cs rx_data could not allocate skb\n");
2193 local->stats.rx_dropped++;
2194 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2195 release_frag_chain(local, prcs);
2198 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2200 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2203 /************************/
2204 /* Reserve enough room for the whole damn packet. */
2205 rx_ptr = skb_put(skb, total_len);
2206 /* Copy the whole packet to sk_buff */
2208 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2209 /* Get source address */
2211 skb_copy_from_linear_data_offset(skb,
2212 offsetof(struct mac_header, addr_2),
2213 linksrcaddr, ETH_ALEN);
2215 /* Now, deal with encapsulation/translation/sniffer */
2218 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2219 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2220 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2222 /* Do translation */
2223 untranslate(local, skb, total_len);
2225 } else { /* sniffer mode, so just pass whole packet */
2228 /************************/
2229 /* Now pick up the rest of the fragments if any */
2231 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2233 pr_debug("ray_cs rx_data in fragment loop\n");
2235 prcslink = rcs_base(local)
2237 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2239 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2242 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2245 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2247 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2251 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2254 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2256 release_frag_chain(local, prcs);
2259 skb->protocol = eth_type_trans(skb, dev);
2261 local->stats.rx_packets++;
2262 local->stats.rx_bytes += total_len;
2264 /* Gather signal strength per address */
2266 /* For the Access Point or the node having started the ad-hoc net
2267 * note : ad-hoc work only in some specific configurations, but we
2268 * kludge in ray_get_wireless_stats... */
2269 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2270 /* Update statistics */
2271 /*local->wstats.qual.qual = none ? */
2272 local->wstats.qual.level = siglev;
2273 /*local->wstats.qual.noise = none ? */
2274 local->wstats.qual.updated = 0x2;
2276 /* Now, update the spy stuff */
2278 struct iw_quality wstats;
2279 wstats.level = siglev;
2280 /* wstats.noise = none ? */
2281 /* wstats.qual = none ? */
2282 wstats.updated = 0x2;
2283 /* Update spy records */
2284 wireless_spy_update(dev, linksrcaddr, &wstats);
2286 #endif /* WIRELESS_SPY */
2289 /*===========================================================================*/
2290 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2292 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2293 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2294 __be16 type = *(__be16 *) psnap->ethertype;
2296 struct ethhdr *peth;
2297 UCHAR srcaddr[ADDRLEN];
2298 UCHAR destaddr[ADDRLEN];
2299 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2300 static const UCHAR org_1042[3] = { 0, 0, 0 };
2302 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2303 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2307 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2308 DUMP_PREFIX_NONE, 16, 1,
2309 skb->data, 64, true);
2311 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2312 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2313 psnap->org[0], psnap->org[1], psnap->org[2]);
2314 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2318 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2319 /* not a snap type so leave it alone */
2320 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2321 psnap->dsap, psnap->ssap, psnap->ctrl);
2323 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2324 peth = (struct ethhdr *)(skb->data + delta);
2325 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2326 } else { /* Its a SNAP */
2327 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2328 /* EtherII and nuke the LLC */
2329 pr_debug("ray_cs untranslate Bridge encap\n");
2330 delta = RX_MAC_HEADER_LENGTH
2331 + sizeof(struct snaphdr_t) - ETH_HLEN;
2332 peth = (struct ethhdr *)(skb->data + delta);
2333 peth->h_proto = type;
2334 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2335 switch (ntohs(type)) {
2338 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2339 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2340 peth = (struct ethhdr *)(skb->data + delta);
2342 htons(len - RX_MAC_HEADER_LENGTH);
2345 pr_debug("ray_cs untranslate RFC default\n");
2346 delta = RX_MAC_HEADER_LENGTH +
2347 sizeof(struct snaphdr_t) - ETH_HLEN;
2348 peth = (struct ethhdr *)(skb->data + delta);
2349 peth->h_proto = type;
2353 printk("ray_cs untranslate very confused by packet\n");
2354 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2355 peth = (struct ethhdr *)(skb->data + delta);
2356 peth->h_proto = type;
2359 /* TBD reserve skb_reserve(skb, delta); */
2360 skb_pull(skb, delta);
2361 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2363 memcpy(peth->h_dest, destaddr, ADDRLEN);
2364 memcpy(peth->h_source, srcaddr, ADDRLEN);
2368 printk(KERN_DEBUG "skb->data after untranslate:");
2369 for (i = 0; i < 64; i++)
2370 printk("%02x ", skb->data[i]);
2374 } /* end untranslate */
2376 /*===========================================================================*/
2377 /* Copy data from circular receive buffer to PC memory.
2378 * dest = destination address in PC memory
2379 * pkt_addr = source address in receive buffer
2380 * len = length of packet to copy
2382 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2385 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2386 if (wrap_bytes <= 0) {
2387 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2388 } else { /* Packet wrapped in circular buffer */
2390 memcpy_fromio(dest, local->rmem + pkt_addr,
2391 length - wrap_bytes);
2392 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2398 /*===========================================================================*/
2399 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2401 struct rcs __iomem *prcslink = prcs;
2403 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2406 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2407 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2408 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2412 prcslink = rcs_base(local) + rcsindex;
2413 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2415 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2418 /*===========================================================================*/
2419 static void authenticate(ray_dev_t *local)
2421 struct pcmcia_device *link = local->finder;
2422 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2423 if (!(pcmcia_dev_present(link))) {
2424 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2428 del_timer(&local->timer);
2429 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2430 local->timer.function = join_net;
2432 local->timer.function = authenticate_timeout;
2434 local->timer.expires = jiffies + HZ * 2;
2435 local->timer.data = (long)local;
2436 add_timer(&local->timer);
2437 local->authentication_state = AWAITING_RESPONSE;
2438 } /* end authenticate */
2440 /*===========================================================================*/
2441 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2442 unsigned int pkt_addr, int rx_len)
2445 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2447 del_timer(&local->timer);
2449 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2450 /* if we are trying to get authenticated */
2451 if (local->sparm.b4.a_network_type == ADHOC) {
2452 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2453 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2454 msg->var[4], msg->var[5]);
2455 if (msg->var[2] == 1) {
2456 pr_debug("ray_cs Sending authentication response.\n");
2457 if (!build_auth_frame
2458 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2459 local->authentication_state = NEED_TO_AUTH;
2460 memcpy(local->auth_id, msg->mac.addr_2,
2464 } else { /* Infrastructure network */
2466 if (local->authentication_state == AWAITING_RESPONSE) {
2467 /* Verify authentication sequence #2 and success */
2468 if (msg->var[2] == 2) {
2469 if ((msg->var[3] | msg->var[4]) == 0) {
2470 pr_debug("Authentication successful\n");
2471 local->card_status = CARD_AUTH_COMPLETE;
2473 local->authentication_state =
2476 pr_debug("Authentication refused\n");
2477 local->card_status = CARD_AUTH_REFUSED;
2478 join_net((u_long) local);
2479 local->authentication_state =
2486 } /* end rx_authenticate */
2488 /*===========================================================================*/
2489 static void associate(ray_dev_t *local)
2491 struct ccs __iomem *pccs;
2492 struct pcmcia_device *link = local->finder;
2493 struct net_device *dev = link->priv;
2495 if (!(pcmcia_dev_present(link))) {
2496 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2499 /* If no tx buffers available, return */
2500 if ((ccsindex = get_free_ccs(local)) < 0) {
2501 /* TBD should never be here but... what if we are? */
2502 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2505 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2506 pccs = ccs_base(local) + ccsindex;
2507 /* fill in the CCS */
2508 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2509 /* Interrupt the firmware to process the command */
2510 if (interrupt_ecf(local, ccsindex)) {
2511 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2512 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2514 del_timer(&local->timer);
2515 local->timer.expires = jiffies + HZ * 2;
2516 local->timer.data = (long)local;
2517 local->timer.function = join_net;
2518 add_timer(&local->timer);
2519 local->card_status = CARD_ASSOC_FAILED;
2523 netif_start_queue(dev);
2525 } /* end associate */
2527 /*===========================================================================*/
2528 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2529 unsigned int pkt_addr, int rx_len)
2532 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2534 pr_debug("Deauthentication frame received\n");
2535 local->authentication_state = UNAUTHENTICATED;
2536 /* Need to reauthenticate or rejoin depending on reason code */
2537 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2541 /*===========================================================================*/
2542 static void clear_interrupt(ray_dev_t *local)
2544 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2547 /*===========================================================================*/
2548 #ifdef CONFIG_PROC_FS
2549 #define MAXDATA (PAGE_SIZE - 80)
2551 static const char *card_status[] = {
2552 "Card inserted - uninitialized", /* 0 */
2553 "Card not downloaded", /* 1 */
2554 "Waiting for download parameters", /* 2 */
2555 "Card doing acquisition", /* 3 */
2556 "Acquisition complete", /* 4 */
2557 "Authentication complete", /* 5 */
2558 "Association complete", /* 6 */
2559 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2560 "Card init error", /* 11 */
2561 "Download parameters error", /* 12 */
2563 "Acquisition failed", /* 14 */
2564 "Authentication refused", /* 15 */
2565 "Association failed" /* 16 */
2568 static const char *nettype[] = { "Adhoc", "Infra " };
2569 static const char *framing[] = { "Encapsulation", "Translation" }
2572 /*===========================================================================*/
2573 static int ray_cs_proc_show(struct seq_file *m, void *v)
2575 /* Print current values which are not available via other means
2579 struct pcmcia_device *link;
2580 struct net_device *dev;
2583 struct freq_hop_element *pfh;
2589 dev = (struct net_device *)link->priv;
2592 local = netdev_priv(dev);
2596 seq_puts(m, "Raylink Wireless LAN driver status\n");
2597 seq_printf(m, "%s\n", rcsid);
2598 /* build 4 does not report version, and field is 0x55 after memtest */
2599 seq_puts(m, "Firmware version = ");
2600 if (local->fw_ver == 0x55)
2601 seq_puts(m, "4 - Use dump_cis for more details\n");
2603 seq_printf(m, "%2d.%02d.%02d\n",
2604 local->fw_ver, local->fw_bld, local->fw_var);
2606 for (i = 0; i < 32; i++)
2607 c[i] = local->sparm.b5.a_current_ess_id[i];
2609 seq_printf(m, "%s network ESSID = \"%s\"\n",
2610 nettype[local->sparm.b5.a_network_type], c);
2613 seq_printf(m, "BSSID = %pM\n", p);
2615 seq_printf(m, "Country code = %d\n",
2616 local->sparm.b5.a_curr_country_code);
2618 i = local->card_status;
2623 seq_printf(m, "Card status = %s\n", card_status[i]);
2625 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2627 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2629 if (local->beacon_rxed) {
2630 /* Pull some fields out of last beacon received */
2631 seq_printf(m, "Beacon Interval = %d Kus\n",
2632 local->last_bcn.beacon_intvl[0]
2633 + 256 * local->last_bcn.beacon_intvl[1]);
2635 p = local->last_bcn.elements;
2636 if (p[0] == C_ESSID_ELEMENT_ID)
2640 "Parse beacon failed at essid element id = %d\n",
2645 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2646 seq_puts(m, "Supported rate codes = ");
2647 for (i = 2; i < p[1] + 2; i++)
2648 seq_printf(m, "0x%02x ", p[i]);
2652 seq_puts(m, "Parse beacon failed at rates element\n");
2656 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2657 pfh = (struct freq_hop_element *)p;
2658 seq_printf(m, "Hop dwell = %d Kus\n",
2659 pfh->dwell_time[0] +
2660 256 * pfh->dwell_time[1]);
2661 seq_printf(m, "Hop set = %d\n",
2663 seq_printf(m, "Hop pattern = %d\n",
2665 seq_printf(m, "Hop index = %d\n",
2670 "Parse beacon failed at FH param element\n");
2674 seq_puts(m, "No beacons received\n");
2679 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2681 return single_open(file, ray_cs_proc_show, NULL);
2684 static const struct file_operations ray_cs_proc_fops = {
2685 .owner = THIS_MODULE,
2686 .open = ray_cs_proc_open,
2688 .llseek = seq_lseek,
2689 .release = single_release,
2692 /*===========================================================================*/
2693 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2696 struct ccs __iomem *pccs;
2697 struct tx_msg __iomem *ptx;
2700 /* If no tx buffers available, return */
2701 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2702 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2706 pccs = ccs_base(local) + ccsindex;
2708 /* Address in card space */
2709 addr = TX_BUF_BASE + (ccsindex << 11);
2710 /* fill in the CCS */
2711 writeb(CCS_TX_REQUEST, &pccs->cmd);
2712 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2713 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2714 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2715 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2716 pccs->var.tx_request.tx_data_length + 1);
2717 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2719 ptx = local->sram + addr;
2720 /* fill in the mac header */
2721 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2722 writeb(0, &ptx->mac.frame_ctl_2);
2724 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2725 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2726 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2728 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2729 memset_io(ptx->var, 0, 6);
2730 writeb(auth_type & 0xff, ptx->var + 2);
2732 /* Interrupt the firmware to process the command */
2733 if (interrupt_ecf(local, ccsindex)) {
2735 "ray_cs send authentication request failed - ECF not ready for intr\n");
2736 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2740 } /* End build_auth_frame */
2742 /*===========================================================================*/
2743 #ifdef CONFIG_PROC_FS
2744 static ssize_t ray_cs_essid_proc_write(struct file *file,
2745 const char __user *buffer, size_t count, loff_t *pos)
2747 static char proc_essid[33];
2748 unsigned int len = count;
2752 memset(proc_essid, 0, 33);
2753 if (copy_from_user(proc_essid, buffer, len))
2759 static const struct file_operations ray_cs_essid_proc_fops = {
2760 .owner = THIS_MODULE,
2761 .write = ray_cs_essid_proc_write,
2762 .llseek = noop_llseek,
2765 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2766 size_t count, loff_t *pos)
2768 static char proc_number[10];
2777 if (copy_from_user(proc_number, buffer, count))
2783 unsigned int c = *p - '0';
2789 *(int *)PDE_DATA(file_inode(file)) = nr;
2793 static const struct file_operations int_proc_fops = {
2794 .owner = THIS_MODULE,
2795 .write = int_proc_write,
2796 .llseek = noop_llseek,
2800 static const struct pcmcia_device_id ray_ids[] = {
2801 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2805 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2807 static struct pcmcia_driver ray_driver = {
2808 .owner = THIS_MODULE,
2811 .remove = ray_detach,
2812 .id_table = ray_ids,
2813 .suspend = ray_suspend,
2814 .resume = ray_resume,
2817 static int __init init_ray_cs(void)
2821 pr_debug("%s\n", rcsid);
2822 rc = pcmcia_register_driver(&ray_driver);
2823 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2826 #ifdef CONFIG_PROC_FS
2827 proc_mkdir("driver/ray_cs", NULL);
2829 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2830 proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2831 proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2832 proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2839 /*===========================================================================*/
2841 static void __exit exit_ray_cs(void)
2843 pr_debug("ray_cs: cleanup_module\n");
2845 #ifdef CONFIG_PROC_FS
2846 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2847 remove_proc_entry("driver/ray_cs/essid", NULL);
2848 remove_proc_entry("driver/ray_cs/net_type", NULL);
2849 remove_proc_entry("driver/ray_cs/translate", NULL);
2850 remove_proc_entry("driver/ray_cs", NULL);
2853 pcmcia_unregister_driver(&ray_driver);
2856 module_init(init_ray_cs);
2857 module_exit(exit_ray_cs);
2859 /*===========================================================================*/