1 /*=============================================================================
3 * A PCMCIA client driver for the Raylink wireless LAN card.
4 * The starting point for this module was the skeleton.c in the
5 * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
8 * Copyright (c) 1998 Corey Thomas (corey@world.std.com)
10 * This driver is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 only of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * It is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
24 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
25 * - reorganize kmallocs in ray_attach, checking all for failure
26 * and releasing the previous allocations if one fails
28 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
29 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
31 =============================================================================*/
33 #include <linux/module.h>
34 #include <linux/kernel.h>
35 #include <linux/proc_fs.h>
36 #include <linux/ptrace.h>
37 #include <linux/seq_file.h>
38 #include <linux/string.h>
39 #include <linux/timer.h>
40 #include <linux/init.h>
41 #include <linux/netdevice.h>
42 #include <linux/etherdevice.h>
43 #include <linux/if_arp.h>
44 #include <linux/ioport.h>
45 #include <linux/skbuff.h>
46 #include <linux/ethtool.h>
47 #include <linux/ieee80211.h>
49 #include <pcmcia/cs.h>
50 #include <pcmcia/cistpl.h>
51 #include <pcmcia/cisreg.h>
52 #include <pcmcia/ds.h>
54 #include <linux/wireless.h>
55 #include <net/iw_handler.h>
58 #include <asm/system.h>
59 #include <asm/byteorder.h>
60 #include <asm/uaccess.h>
62 /* Warning : these stuff will slow down the driver... */
63 #define WIRELESS_SPY /* Enable spying addresses */
64 /* Definitions we need for spy */
65 typedef struct iw_statistics iw_stats;
66 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
72 /** Prototypes based on PCMCIA skeleton driver *******************************/
73 static int ray_config(struct pcmcia_device *link);
74 static void ray_release(struct pcmcia_device *link);
75 static void ray_detach(struct pcmcia_device *p_dev);
77 /***** Prototypes indicated by device structure ******************************/
78 static int ray_dev_close(struct net_device *dev);
79 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
80 static struct net_device_stats *ray_get_stats(struct net_device *dev);
81 static int ray_dev_init(struct net_device *dev);
83 static const struct ethtool_ops netdev_ethtool_ops;
85 static int ray_open(struct net_device *dev);
86 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
87 struct net_device *dev);
88 static void set_multicast_list(struct net_device *dev);
89 static void ray_update_multi_list(struct net_device *dev, int all);
90 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
91 unsigned char *data, int len);
92 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
93 UCHAR msg_type, unsigned char *data);
94 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
95 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
96 static const struct iw_handler_def ray_handler_def;
98 /***** Prototypes for raylink functions **************************************/
99 static int asc_to_int(char a);
100 static void authenticate(ray_dev_t *local);
101 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
102 static void authenticate_timeout(u_long);
103 static int get_free_ccs(ray_dev_t *local);
104 static int get_free_tx_ccs(ray_dev_t *local);
105 static void init_startup_params(ray_dev_t *local);
106 static int parse_addr(char *in_str, UCHAR *out);
107 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
108 static int ray_init(struct net_device *dev);
109 static int interrupt_ecf(ray_dev_t *local, int ccs);
110 static void ray_reset(struct net_device *dev);
111 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
112 static void verify_dl_startup(u_long);
114 /* Prototypes for interrpt time functions **********************************/
115 static irqreturn_t ray_interrupt(int reg, void *dev_id);
116 static void clear_interrupt(ray_dev_t *local);
117 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
118 unsigned int pkt_addr, int rx_len);
119 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
120 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
121 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
122 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
123 unsigned int pkt_addr, int rx_len);
124 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
125 unsigned int pkt_addr, int rx_len);
126 static void associate(ray_dev_t *local);
128 /* Card command functions */
129 static int dl_startup_params(struct net_device *dev);
130 static void join_net(u_long local);
131 static void start_net(u_long local);
132 /* void start_net(ray_dev_t *local); */
134 /*===========================================================================*/
135 /* Parameters that can be set with 'insmod' */
137 /* ADHOC=0, Infrastructure=1 */
138 static int net_type = ADHOC;
140 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
141 static int hop_dwell = 128;
143 /* Beacon period in Kus */
144 static int beacon_period = 256;
146 /* power save mode (0 = off, 1 = save power) */
149 /* String for network's Extended Service Set ID. 32 Characters max */
152 /* Default to encapsulation unless translation requested */
153 static int translate = 1;
155 static int country = USA;
161 /* 48 bit physical card address if overriding card's real physical
162 * address is required. Since IEEE 802.11 addresses are 48 bits
163 * like ethernet, an int can't be used, so a string is used. To
164 * allow use of addresses starting with a decimal digit, the first
165 * character must be a letter and will be ignored. This letter is
166 * followed by up to 12 hex digits which are the address. If less
167 * than 12 digits are used, the address will be left filled with 0's.
168 * Note that bit 0 of the first byte is the broadcast bit, and evil
169 * things will happen if it is not 0 in a card address.
171 static char *phy_addr = NULL;
174 /* A struct pcmcia_device structure has fields for most things that are needed
175 to keep track of a socket, but there will usually be some device
176 specific information that also needs to be kept track of. The
177 'priv' pointer in a struct pcmcia_device structure can be used to point to
178 a device-specific private data structure, like this.
180 static unsigned int ray_mem_speed = 500;
182 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
183 static struct pcmcia_device *this_device = NULL;
185 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
186 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
187 MODULE_LICENSE("GPL");
189 module_param(net_type, int, 0);
190 module_param(hop_dwell, int, 0);
191 module_param(beacon_period, int, 0);
192 module_param(psm, int, 0);
193 module_param(essid, charp, 0);
194 module_param(translate, int, 0);
195 module_param(country, int, 0);
196 module_param(sniffer, int, 0);
197 module_param(bc, int, 0);
198 module_param(phy_addr, charp, 0);
199 module_param(ray_mem_speed, int, 0);
201 static UCHAR b5_default_startup_parms[] = {
202 0, 0, /* Adhoc station */
203 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
204 0, 0, 0, 0, 0, 0, 0, 0,
205 0, 0, 0, 0, 0, 0, 0, 0,
206 0, 0, 0, 0, 0, 0, 0, 0,
207 1, 0, /* Active scan, CA Mode */
208 0, 0, 0, 0, 0, 0, /* No default MAC addr */
209 0x7f, 0xff, /* Frag threshold */
210 0x00, 0x80, /* Hop time 128 Kus */
211 0x01, 0x00, /* Beacon period 256 Kus */
212 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
213 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
214 0x7f, 0xff, /* RTS threshold */
215 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
216 0x05, /* assoc resp timeout thresh */
217 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
218 0, /* Promiscuous mode */
219 0x0c, 0x0bd, /* Unique word */
220 0x32, /* Slot time */
221 0xff, 0xff, /* roam-low snr, low snr count */
222 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
223 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
224 /* b4 - b5 differences start here */
225 0x00, 0x3f, /* CW max */
226 0x00, 0x0f, /* CW min */
227 0x04, 0x08, /* Noise gain, limit offset */
228 0x28, 0x28, /* det rssi, med busy offsets */
229 7, /* det sync thresh */
230 0, 2, 2, /* test mode, min, max */
231 0, /* allow broadcast SSID probe resp */
232 0, 0, /* privacy must start, can join */
233 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
236 static UCHAR b4_default_startup_parms[] = {
237 0, 0, /* Adhoc station */
238 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
239 0, 0, 0, 0, 0, 0, 0, 0,
240 0, 0, 0, 0, 0, 0, 0, 0,
241 0, 0, 0, 0, 0, 0, 0, 0,
242 1, 0, /* Active scan, CA Mode */
243 0, 0, 0, 0, 0, 0, /* No default MAC addr */
244 0x7f, 0xff, /* Frag threshold */
245 0x02, 0x00, /* Hop time */
246 0x00, 0x01, /* Beacon period */
247 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
248 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
249 0x7f, 0xff, /* RTS threshold */
250 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
251 0x05, /* assoc resp timeout thresh */
252 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
253 0, /* Promiscuous mode */
254 0x0c, 0x0bd, /* Unique word */
255 0x4e, /* Slot time (TBD seems wrong) */
256 0xff, 0xff, /* roam-low snr, low snr count */
257 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
258 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
259 /* b4 - b5 differences start here */
260 0x3f, 0x0f, /* CW max, min */
261 0x04, 0x08, /* Noise gain, limit offset */
262 0x28, 0x28, /* det rssi, med busy offsets */
263 7, /* det sync thresh */
264 0, 2, 2 /* test mode, min, max */
267 /*===========================================================================*/
268 static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
270 static char hop_pattern_length[] = { 1,
271 USA_HOP_MOD, EUROPE_HOP_MOD,
272 JAPAN_HOP_MOD, KOREA_HOP_MOD,
273 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
274 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
278 static char rcsid[] =
279 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
281 static const struct net_device_ops ray_netdev_ops = {
282 .ndo_init = ray_dev_init,
283 .ndo_open = ray_open,
284 .ndo_stop = ray_dev_close,
285 .ndo_start_xmit = ray_dev_start_xmit,
286 .ndo_set_config = ray_dev_config,
287 .ndo_get_stats = ray_get_stats,
288 .ndo_set_multicast_list = set_multicast_list,
289 .ndo_change_mtu = eth_change_mtu,
290 .ndo_set_mac_address = eth_mac_addr,
291 .ndo_validate_addr = eth_validate_addr,
294 /*=============================================================================
295 ray_attach() creates an "instance" of the driver, allocating
296 local data structures for one device. The device is registered
298 The dev_link structure is initialized, but we don't actually
299 configure the card at this point -- we wait until we receive a
300 card insertion event.
301 =============================================================================*/
302 static int ray_probe(struct pcmcia_device *p_dev)
305 struct net_device *dev;
307 dev_dbg(&p_dev->dev, "ray_attach()\n");
309 /* Allocate space for private device-specific data */
310 dev = alloc_etherdev(sizeof(ray_dev_t));
314 local = netdev_priv(dev);
315 local->finder = p_dev;
317 /* The io structure describes IO port mapping. None used here */
318 p_dev->resource[0]->end = 0;
319 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
321 /* General socket configuration */
322 p_dev->conf.Attributes = CONF_ENABLE_IRQ;
323 p_dev->conf.IntType = INT_MEMORY_AND_IO;
324 p_dev->conf.ConfigIndex = 1;
328 local->finder = p_dev;
329 local->card_status = CARD_INSERTED;
330 local->authentication_state = UNAUTHENTICATED;
331 local->num_multi = 0;
332 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
333 p_dev, dev, local, &ray_interrupt);
335 /* Raylink entries in the device structure */
336 dev->netdev_ops = &ray_netdev_ops;
337 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
338 dev->wireless_handlers = &ray_handler_def;
340 local->wireless_data.spy_data = &local->spy_data;
341 dev->wireless_data = &local->wireless_data;
342 #endif /* WIRELESS_SPY */
345 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
346 netif_stop_queue(dev);
348 init_timer(&local->timer);
351 return ray_config(p_dev);
357 /*=============================================================================
358 This deletes a driver "instance". The device is de-registered
359 with Card Services. If it has been released, all local data
360 structures are freed. Otherwise, the structures will be freed
361 when the device is released.
362 =============================================================================*/
363 static void ray_detach(struct pcmcia_device *link)
365 struct net_device *dev;
368 dev_dbg(&link->dev, "ray_detach\n");
375 local = netdev_priv(dev);
376 del_timer(&local->timer);
379 unregister_netdev(dev);
382 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
385 /*=============================================================================
386 ray_config() is run after a CARD_INSERTION event
387 is received, to configure the PCMCIA socket, and to make the
388 ethernet device available to the system.
389 =============================================================================*/
390 #define MAX_TUPLE_SIZE 128
391 static int ray_config(struct pcmcia_device *link)
396 struct net_device *dev = (struct net_device *)link->priv;
397 ray_dev_t *local = netdev_priv(dev);
399 dev_dbg(&link->dev, "ray_config\n");
401 /* Determine card type and firmware version */
402 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
403 link->prod_id[0] ? link->prod_id[0] : " ",
404 link->prod_id[1] ? link->prod_id[1] : " ",
405 link->prod_id[2] ? link->prod_id[2] : " ",
406 link->prod_id[3] ? link->prod_id[3] : " ");
408 /* Now allocate an interrupt line. Note that this does not
409 actually assign a handler to the interrupt.
411 ret = pcmcia_request_irq(link, ray_interrupt);
414 dev->irq = link->irq;
416 /* This actually configures the PCMCIA socket -- setting up
417 the I/O windows and the interrupt mapping.
419 ret = pcmcia_request_configuration(link, &link->conf);
423 /*** Set up 32k window for shared memory (transmit and control) ************/
425 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
428 req.AccessSpeed = ray_mem_speed;
429 ret = pcmcia_request_window(link, &req, &link->win);
432 ret = pcmcia_map_mem_page(link, link->win, 0);
435 local->sram = ioremap(req.Base, req.Size);
437 /*** Set up 16k window for shared memory (receive buffer) ***************/
439 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
442 req.AccessSpeed = ray_mem_speed;
443 ret = pcmcia_request_window(link, &req, &local->rmem_handle);
446 ret = pcmcia_map_mem_page(link, local->rmem_handle, 0x8000);
449 local->rmem = ioremap(req.Base, req.Size);
451 /*** Set up window for attribute memory ***********************************/
453 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
456 req.AccessSpeed = ray_mem_speed;
457 ret = pcmcia_request_window(link, &req, &local->amem_handle);
460 ret = pcmcia_map_mem_page(link, local->amem_handle, 0);
463 local->amem = ioremap(req.Base, req.Size);
465 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
466 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
467 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
468 if (ray_init(dev) < 0) {
473 SET_NETDEV_DEV(dev, &link->dev);
474 i = register_netdev(dev);
476 printk("ray_config register_netdev() failed\n");
481 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
482 dev->name, dev->irq, dev->dev_addr);
491 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
493 return dev->sram + CCS_BASE;
496 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
499 * This looks nonsensical, since there is a separate
500 * RCS_BASE. But the difference between a "struct rcs"
501 * and a "struct ccs" ends up being in the _index_ off
502 * the base, so the base pointer is the same for both
505 return dev->sram + CCS_BASE;
508 /*===========================================================================*/
509 static int ray_init(struct net_device *dev)
513 struct ccs __iomem *pccs;
514 ray_dev_t *local = netdev_priv(dev);
515 struct pcmcia_device *link = local->finder;
516 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
517 if (!(pcmcia_dev_present(link))) {
518 dev_dbg(&link->dev, "ray_init - device not present\n");
522 local->net_type = net_type;
523 local->sta_type = TYPE_STA;
525 /* Copy the startup results to local memory */
526 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
527 sizeof(struct startup_res_6));
529 /* Check Power up test status and get mac address from card */
530 if (local->startup_res.startup_word != 0x80) {
531 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
532 local->startup_res.startup_word);
533 local->card_status = CARD_INIT_ERROR;
537 local->fw_ver = local->startup_res.firmware_version[0];
538 local->fw_bld = local->startup_res.firmware_version[1];
539 local->fw_var = local->startup_res.firmware_version[2];
540 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
543 local->tib_length = 0x20;
544 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
545 local->tib_length = local->startup_res.tib_length;
546 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
547 /* Initialize CCS's to buffer free state */
548 pccs = ccs_base(local);
549 for (i = 0; i < NUMBER_OF_CCS; i++) {
550 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
552 init_startup_params(local);
554 /* copy mac address to startup parameters */
555 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
556 p = local->sparm.b4.a_mac_addr;
558 memcpy(&local->sparm.b4.a_mac_addr,
559 &local->startup_res.station_addr, ADDRLEN);
560 p = local->sparm.b4.a_mac_addr;
563 clear_interrupt(local); /* Clear any interrupt from the card */
564 local->card_status = CARD_AWAITING_PARAM;
565 dev_dbg(&link->dev, "ray_init ending\n");
569 /*===========================================================================*/
570 /* Download startup parameters to the card and command it to read them */
571 static int dl_startup_params(struct net_device *dev)
574 ray_dev_t *local = netdev_priv(dev);
575 struct ccs __iomem *pccs;
576 struct pcmcia_device *link = local->finder;
578 dev_dbg(&link->dev, "dl_startup_params entered\n");
579 if (!(pcmcia_dev_present(link))) {
580 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
584 /* Copy parameters to host to ECF area */
585 if (local->fw_ver == 0x55)
586 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
587 sizeof(struct b4_startup_params));
589 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
590 sizeof(struct b5_startup_params));
592 /* Fill in the CCS fields for the ECF */
593 if ((ccsindex = get_free_ccs(local)) < 0)
595 local->dl_param_ccs = ccsindex;
596 pccs = ccs_base(local) + ccsindex;
597 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
598 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
599 local->dl_param_ccs);
600 /* Interrupt the firmware to process the command */
601 if (interrupt_ecf(local, ccsindex)) {
602 printk(KERN_INFO "ray dl_startup_params failed - "
603 "ECF not ready for intr\n");
604 local->card_status = CARD_DL_PARAM_ERROR;
605 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
608 local->card_status = CARD_DL_PARAM;
609 /* Start kernel timer to wait for dl startup to complete. */
610 local->timer.expires = jiffies + HZ / 2;
611 local->timer.data = (long)local;
612 local->timer.function = &verify_dl_startup;
613 add_timer(&local->timer);
615 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
617 } /* dl_startup_params */
619 /*===========================================================================*/
620 static void init_startup_params(ray_dev_t *local)
624 if (country > JAPAN_TEST)
626 else if (country < USA)
628 /* structure for hop time and beacon period is defined here using
629 * New 802.11D6.1 format. Card firmware is still using old format
632 * a_hop_time ms byte a_hop_time ms byte
633 * a_hop_time 2s byte a_hop_time ls byte
634 * a_hop_time ls byte a_beacon_period ms byte
635 * a_beacon_period a_beacon_period ls byte
637 * a_hop_time = uS a_hop_time = KuS
638 * a_beacon_period = hops a_beacon_period = KuS
639 *//* 64ms = 010000 */
640 if (local->fw_ver == 0x55) {
641 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
642 sizeof(struct b4_startup_params));
643 /* Translate sane kus input values to old build 4/5 format */
644 /* i = hop time in uS truncated to 3 bytes */
645 i = (hop_dwell * 1024) & 0xffffff;
646 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
647 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
648 local->sparm.b4.a_beacon_period[0] = 0;
649 local->sparm.b4.a_beacon_period[1] =
650 ((beacon_period / hop_dwell) - 1) & 0xff;
651 local->sparm.b4.a_curr_country_code = country;
652 local->sparm.b4.a_hop_pattern_length =
653 hop_pattern_length[(int)country] - 1;
655 local->sparm.b4.a_ack_timeout = 0x50;
656 local->sparm.b4.a_sifs = 0x3f;
658 } else { /* Version 5 uses real kus values */
659 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
660 sizeof(struct b5_startup_params));
662 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
663 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
664 local->sparm.b5.a_beacon_period[0] =
665 (beacon_period >> 8) & 0xff;
666 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
668 local->sparm.b5.a_power_mgt_state = 1;
669 local->sparm.b5.a_curr_country_code = country;
670 local->sparm.b5.a_hop_pattern_length =
671 hop_pattern_length[(int)country];
674 local->sparm.b4.a_network_type = net_type & 0x01;
675 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
678 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
679 } /* init_startup_params */
681 /*===========================================================================*/
682 static void verify_dl_startup(u_long data)
684 ray_dev_t *local = (ray_dev_t *) data;
685 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
687 struct pcmcia_device *link = local->finder;
689 if (!(pcmcia_dev_present(link))) {
690 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
697 "verify_dl_startup parameters sent via ccs %d:\n",
698 local->dl_param_ccs);
699 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
701 (unsigned int)readb(local->sram +
702 HOST_TO_ECF_BASE + i));
708 status = readb(&pccs->buffer_status);
709 if (status != CCS_BUFFER_FREE) {
711 "Download startup params failed. Status = %d\n",
713 local->card_status = CARD_DL_PARAM_ERROR;
716 if (local->sparm.b4.a_network_type == ADHOC)
717 start_net((u_long) local);
719 join_net((u_long) local);
720 } /* end verify_dl_startup */
722 /*===========================================================================*/
723 /* Command card to start a network */
724 static void start_net(u_long data)
726 ray_dev_t *local = (ray_dev_t *) data;
727 struct ccs __iomem *pccs;
729 struct pcmcia_device *link = local->finder;
730 if (!(pcmcia_dev_present(link))) {
731 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
734 /* Fill in the CCS fields for the ECF */
735 if ((ccsindex = get_free_ccs(local)) < 0)
737 pccs = ccs_base(local) + ccsindex;
738 writeb(CCS_START_NETWORK, &pccs->cmd);
739 writeb(0, &pccs->var.start_network.update_param);
740 /* Interrupt the firmware to process the command */
741 if (interrupt_ecf(local, ccsindex)) {
742 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
743 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
746 local->card_status = CARD_DOING_ACQ;
747 } /* end start_net */
749 /*===========================================================================*/
750 /* Command card to join a network */
751 static void join_net(u_long data)
753 ray_dev_t *local = (ray_dev_t *) data;
755 struct ccs __iomem *pccs;
757 struct pcmcia_device *link = local->finder;
759 if (!(pcmcia_dev_present(link))) {
760 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
763 /* Fill in the CCS fields for the ECF */
764 if ((ccsindex = get_free_ccs(local)) < 0)
766 pccs = ccs_base(local) + ccsindex;
767 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
768 writeb(0, &pccs->var.join_network.update_param);
769 writeb(0, &pccs->var.join_network.net_initiated);
770 /* Interrupt the firmware to process the command */
771 if (interrupt_ecf(local, ccsindex)) {
772 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
773 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
776 local->card_status = CARD_DOING_ACQ;
779 /*============================================================================
780 After a card is removed, ray_release() will unregister the net
781 device, and release the PCMCIA configuration. If the device is
782 still open, this will be postponed until it is closed.
783 =============================================================================*/
784 static void ray_release(struct pcmcia_device *link)
786 struct net_device *dev = link->priv;
787 ray_dev_t *local = netdev_priv(dev);
790 dev_dbg(&link->dev, "ray_release\n");
792 del_timer(&local->timer);
794 iounmap(local->sram);
795 iounmap(local->rmem);
796 iounmap(local->amem);
797 /* Do bother checking to see if these succeed or not */
798 i = pcmcia_release_window(link, local->amem_handle);
800 dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i);
801 i = pcmcia_release_window(link, local->rmem_handle);
803 dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i);
804 pcmcia_disable_device(link);
806 dev_dbg(&link->dev, "ray_release ending\n");
809 static int ray_suspend(struct pcmcia_device *link)
811 struct net_device *dev = link->priv;
814 netif_device_detach(dev);
819 static int ray_resume(struct pcmcia_device *link)
821 struct net_device *dev = link->priv;
825 netif_device_attach(dev);
831 /*===========================================================================*/
832 static int ray_dev_init(struct net_device *dev)
834 #ifdef RAY_IMMEDIATE_INIT
836 #endif /* RAY_IMMEDIATE_INIT */
837 ray_dev_t *local = netdev_priv(dev);
838 struct pcmcia_device *link = local->finder;
840 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
841 if (!(pcmcia_dev_present(link))) {
842 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
845 #ifdef RAY_IMMEDIATE_INIT
846 /* Download startup parameters */
847 if ((i = dl_startup_params(dev)) < 0) {
848 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
849 "returns 0x%x\n", i);
852 #else /* RAY_IMMEDIATE_INIT */
853 /* Postpone the card init so that we can still configure the card,
854 * for example using the Wireless Extensions. The init will happen
855 * in ray_open() - Jean II */
857 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
859 #endif /* RAY_IMMEDIATE_INIT */
861 /* copy mac and broadcast addresses to linux device */
862 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
863 memset(dev->broadcast, 0xff, ETH_ALEN);
865 dev_dbg(&link->dev, "ray_dev_init ending\n");
869 /*===========================================================================*/
870 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
872 ray_dev_t *local = netdev_priv(dev);
873 struct pcmcia_device *link = local->finder;
874 /* Dummy routine to satisfy device structure */
875 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
876 if (!(pcmcia_dev_present(link))) {
877 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
884 /*===========================================================================*/
885 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
886 struct net_device *dev)
888 ray_dev_t *local = netdev_priv(dev);
889 struct pcmcia_device *link = local->finder;
890 short length = skb->len;
892 if (!pcmcia_dev_present(link)) {
893 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
898 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
899 if (local->authentication_state == NEED_TO_AUTH) {
900 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
901 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
902 local->authentication_state = AUTHENTICATED;
903 netif_stop_queue(dev);
904 return NETDEV_TX_BUSY;
908 if (length < ETH_ZLEN) {
909 if (skb_padto(skb, ETH_ZLEN))
913 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
916 netif_stop_queue(dev);
917 return NETDEV_TX_BUSY;
926 } /* ray_dev_start_xmit */
928 /*===========================================================================*/
929 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
932 ray_dev_t *local = netdev_priv(dev);
933 struct ccs __iomem *pccs;
936 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
937 short int addr; /* Address of xmit buffer in card space */
939 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
940 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
941 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
945 switch (ccsindex = get_free_tx_ccs(local)) {
947 pr_debug("ray_hw_xmit tx_ccs table busy\n");
949 pr_debug("ray_hw_xmit No free tx ccs\n");
951 netif_stop_queue(dev);
956 addr = TX_BUF_BASE + (ccsindex << 11);
958 if (msg_type == DATA_TYPE) {
959 local->stats.tx_bytes += len;
960 local->stats.tx_packets++;
963 ptx = local->sram + addr;
965 ray_build_header(local, ptx, msg_type, data);
967 offset = translate_frame(local, ptx, data, len);
968 } else { /* Encapsulate frame */
969 /* TBD TIB length will move address of ptx->var */
970 memcpy_toio(&ptx->var, data, len);
974 /* fill in the CCS */
975 pccs = ccs_base(local) + ccsindex;
976 len += TX_HEADER_LENGTH + offset;
977 writeb(CCS_TX_REQUEST, &pccs->cmd);
978 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
979 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
980 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
981 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
982 /* TBD still need psm_cam? */
983 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
984 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
985 writeb(0, &pccs->var.tx_request.antenna);
986 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
987 local->net_default_tx_rate);
989 /* Interrupt the firmware to process the command */
990 if (interrupt_ecf(local, ccsindex)) {
991 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
992 /* TBD very inefficient to copy packet to buffer, and then not
993 send it, but the alternative is to queue the messages and that
994 won't be done for a while. Maybe set tbusy until a CCS is free?
996 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1000 } /* end ray_hw_xmit */
1002 /*===========================================================================*/
1003 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1004 unsigned char *data, int len)
1006 __be16 proto = ((struct ethhdr *)data)->h_proto;
1007 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1008 pr_debug("ray_cs translate_frame DIX II\n");
1009 /* Copy LLC header to card buffer */
1010 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1011 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1012 (UCHAR *) &proto, 2);
1013 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1014 /* This is the selective translation table, only 2 entries */
1016 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1018 /* Copy body of ethernet packet without ethernet header */
1019 memcpy_toio((void __iomem *)&ptx->var +
1020 sizeof(struct snaphdr_t), data + ETH_HLEN,
1022 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1023 } else { /* already 802 type, and proto is length */
1024 pr_debug("ray_cs translate_frame 802\n");
1025 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1026 pr_debug("ray_cs translate_frame evil IPX\n");
1027 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1028 return 0 - ETH_HLEN;
1030 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1031 return 0 - ETH_HLEN;
1033 /* TBD do other frame types */
1034 } /* end translate_frame */
1036 /*===========================================================================*/
1037 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1038 UCHAR msg_type, unsigned char *data)
1040 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1041 /*** IEEE 802.11 Address field assignments *************
1042 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1043 Adhoc 0 0 dest src (terminal) BSSID N/A
1044 AP to Terminal 0 1 dest AP(BSSID) source N/A
1045 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1046 AP to AP 1 1 dest AP src AP dest source
1047 *******************************************************/
1048 if (local->net_type == ADHOC) {
1049 writeb(0, &ptx->mac.frame_ctl_2);
1050 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1052 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1053 } else { /* infrastructure */
1055 if (local->sparm.b4.a_acting_as_ap_status) {
1056 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1057 memcpy_toio(ptx->mac.addr_1,
1058 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1059 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1060 memcpy_toio(ptx->mac.addr_3,
1061 ((struct ethhdr *)data)->h_source, ADDRLEN);
1062 } else { /* Terminal */
1064 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1065 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1066 memcpy_toio(ptx->mac.addr_2,
1067 ((struct ethhdr *)data)->h_source, ADDRLEN);
1068 memcpy_toio(ptx->mac.addr_3,
1069 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1072 } /* end encapsulate_frame */
1074 /*===========================================================================*/
1076 static void netdev_get_drvinfo(struct net_device *dev,
1077 struct ethtool_drvinfo *info)
1079 strcpy(info->driver, "ray_cs");
1082 static const struct ethtool_ops netdev_ethtool_ops = {
1083 .get_drvinfo = netdev_get_drvinfo,
1086 /*====================================================================*/
1088 /*------------------------------------------------------------------*/
1090 * Wireless Handler : get protocol name
1092 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1093 union iwreq_data *wrqu, char *extra)
1095 strcpy(wrqu->name, "IEEE 802.11-FH");
1099 /*------------------------------------------------------------------*/
1101 * Wireless Handler : set frequency
1103 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1104 union iwreq_data *wrqu, char *extra)
1106 ray_dev_t *local = netdev_priv(dev);
1107 int err = -EINPROGRESS; /* Call commit handler */
1109 /* Reject if card is already initialised */
1110 if (local->card_status != CARD_AWAITING_PARAM)
1113 /* Setting by channel number */
1114 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1117 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1122 /*------------------------------------------------------------------*/
1124 * Wireless Handler : get frequency
1126 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1127 union iwreq_data *wrqu, char *extra)
1129 ray_dev_t *local = netdev_priv(dev);
1131 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1136 /*------------------------------------------------------------------*/
1138 * Wireless Handler : set ESSID
1140 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1141 union iwreq_data *wrqu, char *extra)
1143 ray_dev_t *local = netdev_priv(dev);
1145 /* Reject if card is already initialised */
1146 if (local->card_status != CARD_AWAITING_PARAM)
1149 /* Check if we asked for `any' */
1150 if (wrqu->essid.flags == 0)
1151 /* Corey : can you do that ? */
1154 /* Check the size of the string */
1155 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1158 /* Set the ESSID in the card */
1159 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1160 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1162 return -EINPROGRESS; /* Call commit handler */
1165 /*------------------------------------------------------------------*/
1167 * Wireless Handler : get ESSID
1169 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1170 union iwreq_data *wrqu, char *extra)
1172 ray_dev_t *local = netdev_priv(dev);
1174 /* Get the essid that was set */
1175 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1178 wrqu->essid.length = strlen(extra);
1179 wrqu->essid.flags = 1; /* active */
1184 /*------------------------------------------------------------------*/
1186 * Wireless Handler : get AP address
1188 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1189 union iwreq_data *wrqu, char *extra)
1191 ray_dev_t *local = netdev_priv(dev);
1193 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1194 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1199 /*------------------------------------------------------------------*/
1201 * Wireless Handler : set Bit-Rate
1203 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1204 union iwreq_data *wrqu, char *extra)
1206 ray_dev_t *local = netdev_priv(dev);
1208 /* Reject if card is already initialised */
1209 if (local->card_status != CARD_AWAITING_PARAM)
1212 /* Check if rate is in range */
1213 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1216 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1217 if ((local->fw_ver == 0x55) && /* Please check */
1218 (wrqu->bitrate.value == 2000000))
1219 local->net_default_tx_rate = 3;
1221 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1226 /*------------------------------------------------------------------*/
1228 * Wireless Handler : get Bit-Rate
1230 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1231 union iwreq_data *wrqu, char *extra)
1233 ray_dev_t *local = netdev_priv(dev);
1235 if (local->net_default_tx_rate == 3)
1236 wrqu->bitrate.value = 2000000; /* Hum... */
1238 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1239 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1244 /*------------------------------------------------------------------*/
1246 * Wireless Handler : set RTS threshold
1248 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1249 union iwreq_data *wrqu, char *extra)
1251 ray_dev_t *local = netdev_priv(dev);
1252 int rthr = wrqu->rts.value;
1254 /* Reject if card is already initialised */
1255 if (local->card_status != CARD_AWAITING_PARAM)
1258 /* if(wrq->u.rts.fixed == 0) we should complain */
1259 if (wrqu->rts.disabled)
1262 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1265 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1266 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1268 return -EINPROGRESS; /* Call commit handler */
1271 /*------------------------------------------------------------------*/
1273 * Wireless Handler : get RTS threshold
1275 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1276 union iwreq_data *wrqu, char *extra)
1278 ray_dev_t *local = netdev_priv(dev);
1280 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1281 + local->sparm.b5.a_rts_threshold[1];
1282 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1283 wrqu->rts.fixed = 1;
1288 /*------------------------------------------------------------------*/
1290 * Wireless Handler : set Fragmentation threshold
1292 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1293 union iwreq_data *wrqu, char *extra)
1295 ray_dev_t *local = netdev_priv(dev);
1296 int fthr = wrqu->frag.value;
1298 /* Reject if card is already initialised */
1299 if (local->card_status != CARD_AWAITING_PARAM)
1302 /* if(wrq->u.frag.fixed == 0) should complain */
1303 if (wrqu->frag.disabled)
1306 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1309 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1310 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1312 return -EINPROGRESS; /* Call commit handler */
1315 /*------------------------------------------------------------------*/
1317 * Wireless Handler : get Fragmentation threshold
1319 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1320 union iwreq_data *wrqu, char *extra)
1322 ray_dev_t *local = netdev_priv(dev);
1324 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1325 + local->sparm.b5.a_frag_threshold[1];
1326 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1327 wrqu->frag.fixed = 1;
1332 /*------------------------------------------------------------------*/
1334 * Wireless Handler : set Mode of Operation
1336 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1337 union iwreq_data *wrqu, char *extra)
1339 ray_dev_t *local = netdev_priv(dev);
1340 int err = -EINPROGRESS; /* Call commit handler */
1343 /* Reject if card is already initialised */
1344 if (local->card_status != CARD_AWAITING_PARAM)
1347 switch (wrqu->mode) {
1352 local->sparm.b5.a_network_type = card_mode;
1361 /*------------------------------------------------------------------*/
1363 * Wireless Handler : get Mode of Operation
1365 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1366 union iwreq_data *wrqu, char *extra)
1368 ray_dev_t *local = netdev_priv(dev);
1370 if (local->sparm.b5.a_network_type)
1371 wrqu->mode = IW_MODE_INFRA;
1373 wrqu->mode = IW_MODE_ADHOC;
1378 /*------------------------------------------------------------------*/
1380 * Wireless Handler : get range info
1382 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1383 union iwreq_data *wrqu, char *extra)
1385 struct iw_range *range = (struct iw_range *)extra;
1387 memset(range, 0, sizeof(struct iw_range));
1389 /* Set the length (very important for backward compatibility) */
1390 wrqu->data.length = sizeof(struct iw_range);
1392 /* Set the Wireless Extension versions */
1393 range->we_version_compiled = WIRELESS_EXT;
1394 range->we_version_source = 9;
1396 /* Set information in the range struct */
1397 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1398 range->num_channels = hop_pattern_length[(int)country];
1399 range->num_frequency = 0;
1400 range->max_qual.qual = 0;
1401 range->max_qual.level = 255; /* What's the correct value ? */
1402 range->max_qual.noise = 255; /* Idem */
1403 range->num_bitrates = 2;
1404 range->bitrate[0] = 1000000; /* 1 Mb/s */
1405 range->bitrate[1] = 2000000; /* 2 Mb/s */
1409 /*------------------------------------------------------------------*/
1411 * Wireless Private Handler : set framing mode
1413 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1414 union iwreq_data *wrqu, char *extra)
1416 translate = *(extra); /* Set framing mode */
1421 /*------------------------------------------------------------------*/
1423 * Wireless Private Handler : get framing mode
1425 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1426 union iwreq_data *wrqu, char *extra)
1428 *(extra) = translate;
1433 /*------------------------------------------------------------------*/
1435 * Wireless Private Handler : get country
1437 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1438 union iwreq_data *wrqu, char *extra)
1445 /*------------------------------------------------------------------*/
1447 * Commit handler : called after a bunch of SET operations
1449 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1450 union iwreq_data *wrqu, char *extra)
1455 /*------------------------------------------------------------------*/
1457 * Stats handler : return Wireless Stats
1459 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1461 ray_dev_t *local = netdev_priv(dev);
1462 struct pcmcia_device *link = local->finder;
1463 struct status __iomem *p = local->sram + STATUS_BASE;
1465 local->wstats.status = local->card_status;
1467 if ((local->spy_data.spy_number > 0)
1468 && (local->sparm.b5.a_network_type == 0)) {
1469 /* Get it from the first node in spy list */
1470 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1471 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1472 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1473 local->wstats.qual.updated =
1474 local->spy_data.spy_stat[0].updated;
1476 #endif /* WIRELESS_SPY */
1478 if (pcmcia_dev_present(link)) {
1479 local->wstats.qual.noise = readb(&p->rxnoise);
1480 local->wstats.qual.updated |= 4;
1483 return &local->wstats;
1484 } /* end ray_get_wireless_stats */
1486 /*------------------------------------------------------------------*/
1488 * Structures to export the Wireless Handlers
1491 static const iw_handler ray_handler[] = {
1492 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1493 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1494 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1495 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1496 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1497 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1498 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1500 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1501 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1502 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1503 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1504 #endif /* WIRELESS_SPY */
1505 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1506 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1507 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1508 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1509 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1510 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1511 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1512 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1513 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1516 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1517 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1518 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1520 static const iw_handler ray_private_handler[] = {
1521 [0] = ray_set_framing,
1522 [1] = ray_get_framing,
1523 [3] = ray_get_country,
1526 static const struct iw_priv_args ray_private_args[] = {
1527 /* cmd, set_args, get_args, name */
1528 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1530 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1532 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1536 static const struct iw_handler_def ray_handler_def = {
1537 .num_standard = ARRAY_SIZE(ray_handler),
1538 .num_private = ARRAY_SIZE(ray_private_handler),
1539 .num_private_args = ARRAY_SIZE(ray_private_args),
1540 .standard = ray_handler,
1541 .private = ray_private_handler,
1542 .private_args = ray_private_args,
1543 .get_wireless_stats = ray_get_wireless_stats,
1546 /*===========================================================================*/
1547 static int ray_open(struct net_device *dev)
1549 ray_dev_t *local = netdev_priv(dev);
1550 struct pcmcia_device *link;
1551 link = local->finder;
1553 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1555 if (link->open == 0)
1556 local->num_multi = 0;
1559 /* If the card is not started, time to start it ! - Jean II */
1560 if (local->card_status == CARD_AWAITING_PARAM) {
1563 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1565 /* Download startup parameters */
1566 if ((i = dl_startup_params(dev)) < 0) {
1568 "ray_dev_init dl_startup_params failed - "
1569 "returns 0x%x\n", i);
1575 netif_stop_queue(dev);
1577 netif_start_queue(dev);
1579 dev_dbg(&link->dev, "ray_open ending\n");
1581 } /* end ray_open */
1583 /*===========================================================================*/
1584 static int ray_dev_close(struct net_device *dev)
1586 ray_dev_t *local = netdev_priv(dev);
1587 struct pcmcia_device *link;
1588 link = local->finder;
1590 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1593 netif_stop_queue(dev);
1595 /* In here, we should stop the hardware (stop card from beeing active)
1596 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1597 * card is closed we can chage its configuration.
1598 * Probably also need a COR reset to get sane state - Jean II */
1601 } /* end ray_dev_close */
1603 /*===========================================================================*/
1604 static void ray_reset(struct net_device *dev)
1606 pr_debug("ray_reset entered\n");
1609 /*===========================================================================*/
1610 /* Cause a firmware interrupt if it is ready for one */
1611 /* Return nonzero if not ready */
1612 static int interrupt_ecf(ray_dev_t *local, int ccs)
1615 struct pcmcia_device *link = local->finder;
1617 if (!(pcmcia_dev_present(link))) {
1618 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1621 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1624 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1628 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1631 /* Fill the mailbox, then kick the card */
1632 writeb(ccs, local->sram + SCB_BASE);
1633 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1635 } /* interrupt_ecf */
1637 /*===========================================================================*/
1638 /* Get next free transmit CCS */
1639 /* Return - index of current tx ccs */
1640 static int get_free_tx_ccs(ray_dev_t *local)
1643 struct ccs __iomem *pccs = ccs_base(local);
1644 struct pcmcia_device *link = local->finder;
1646 if (!(pcmcia_dev_present(link))) {
1647 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1651 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1652 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1656 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1657 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1658 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1659 writeb(CCS_END_LIST, &(pccs + i)->link);
1660 local->tx_ccs_lock = 0;
1664 local->tx_ccs_lock = 0;
1665 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1667 } /* get_free_tx_ccs */
1669 /*===========================================================================*/
1670 /* Get next free CCS */
1671 /* Return - index of current ccs */
1672 static int get_free_ccs(ray_dev_t *local)
1675 struct ccs __iomem *pccs = ccs_base(local);
1676 struct pcmcia_device *link = local->finder;
1678 if (!(pcmcia_dev_present(link))) {
1679 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1682 if (test_and_set_bit(0, &local->ccs_lock)) {
1683 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1687 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1688 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1689 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1690 writeb(CCS_END_LIST, &(pccs + i)->link);
1691 local->ccs_lock = 0;
1695 local->ccs_lock = 0;
1696 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1698 } /* get_free_ccs */
1700 /*===========================================================================*/
1701 static void authenticate_timeout(u_long data)
1703 ray_dev_t *local = (ray_dev_t *) data;
1704 del_timer(&local->timer);
1705 printk(KERN_INFO "ray_cs Authentication with access point failed"
1707 join_net((u_long) local);
1710 /*===========================================================================*/
1711 static int asc_to_int(char a)
1720 return (10 + a - 'A');
1724 return (10 + a - 'a');
1728 /*===========================================================================*/
1729 static int parse_addr(char *in_str, UCHAR *out)
1737 if ((len = strlen(in_str)) < 2)
1739 memset(out, 0, ADDRLEN);
1748 if ((k = asc_to_int(in_str[j--])) != -1)
1755 if ((k = asc_to_int(in_str[j--])) != -1)
1765 /*===========================================================================*/
1766 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1768 ray_dev_t *local = netdev_priv(dev);
1769 struct pcmcia_device *link = local->finder;
1770 struct status __iomem *p = local->sram + STATUS_BASE;
1771 if (!(pcmcia_dev_present(link))) {
1772 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1773 return &local->stats;
1775 if (readb(&p->mrx_overflow_for_host)) {
1776 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1777 writeb(0, &p->mrx_overflow);
1778 writeb(0, &p->mrx_overflow_for_host);
1780 if (readb(&p->mrx_checksum_error_for_host)) {
1781 local->stats.rx_crc_errors +=
1782 swab16(readw(&p->mrx_checksum_error));
1783 writeb(0, &p->mrx_checksum_error);
1784 writeb(0, &p->mrx_checksum_error_for_host);
1786 if (readb(&p->rx_hec_error_for_host)) {
1787 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1788 writeb(0, &p->rx_hec_error);
1789 writeb(0, &p->rx_hec_error_for_host);
1791 return &local->stats;
1794 /*===========================================================================*/
1795 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1798 ray_dev_t *local = netdev_priv(dev);
1799 struct pcmcia_device *link = local->finder;
1802 struct ccs __iomem *pccs;
1804 if (!(pcmcia_dev_present(link))) {
1805 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1809 if ((ccsindex = get_free_ccs(local)) < 0) {
1810 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1813 pccs = ccs_base(local) + ccsindex;
1814 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1815 writeb(objid, &pccs->var.update_param.object_id);
1816 writeb(1, &pccs->var.update_param.number_objects);
1817 writeb(0, &pccs->var.update_param.failure_cause);
1818 for (i = 0; i < len; i++) {
1819 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1821 /* Interrupt the firmware to process the command */
1822 if (interrupt_ecf(local, ccsindex)) {
1823 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1824 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1828 /*===========================================================================*/
1829 static void ray_update_multi_list(struct net_device *dev, int all)
1832 struct ccs __iomem *pccs;
1833 ray_dev_t *local = netdev_priv(dev);
1834 struct pcmcia_device *link = local->finder;
1835 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1837 if (!(pcmcia_dev_present(link))) {
1838 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1841 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1842 if ((ccsindex = get_free_ccs(local)) < 0) {
1843 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1846 pccs = ccs_base(local) + ccsindex;
1847 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1850 writeb(0xff, &pccs->var);
1851 local->num_multi = 0xff;
1853 struct netdev_hw_addr *ha;
1856 /* Copy the kernel's list of MC addresses to card */
1857 netdev_for_each_mc_addr(ha, dev) {
1858 memcpy_toio(p, ha->addr, ETH_ALEN);
1860 "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1861 ha->addr[0], ha->addr[1],
1862 ha->addr[2], ha->addr[3],
1863 ha->addr[4], ha->addr[5]);
1867 if (i > 256 / ADDRLEN)
1869 writeb((UCHAR) i, &pccs->var);
1870 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1871 /* Interrupt the firmware to process the command */
1872 local->num_multi = i;
1874 if (interrupt_ecf(local, ccsindex)) {
1876 "ray_cs update_multi failed - ECF not ready for intr\n");
1877 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1879 } /* end ray_update_multi_list */
1881 /*===========================================================================*/
1882 static void set_multicast_list(struct net_device *dev)
1884 ray_dev_t *local = netdev_priv(dev);
1887 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1889 if (dev->flags & IFF_PROMISC) {
1890 if (local->sparm.b5.a_promiscuous_mode == 0) {
1891 pr_debug("ray_cs set_multicast_list promisc on\n");
1892 local->sparm.b5.a_promiscuous_mode = 1;
1894 ray_update_parm(dev, OBJID_promiscuous_mode,
1895 &promisc, sizeof(promisc));
1898 if (local->sparm.b5.a_promiscuous_mode == 1) {
1899 pr_debug("ray_cs set_multicast_list promisc off\n");
1900 local->sparm.b5.a_promiscuous_mode = 0;
1902 ray_update_parm(dev, OBJID_promiscuous_mode,
1903 &promisc, sizeof(promisc));
1907 if (dev->flags & IFF_ALLMULTI)
1908 ray_update_multi_list(dev, 1);
1910 if (local->num_multi != netdev_mc_count(dev))
1911 ray_update_multi_list(dev, 0);
1913 } /* end set_multicast_list */
1915 /*=============================================================================
1916 * All routines below here are run at interrupt time.
1917 =============================================================================*/
1918 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1920 struct net_device *dev = (struct net_device *)dev_id;
1921 struct pcmcia_device *link;
1923 struct ccs __iomem *pccs;
1924 struct rcs __iomem *prcs;
1930 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1933 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1935 local = netdev_priv(dev);
1936 link = (struct pcmcia_device *)local->finder;
1937 if (!pcmcia_dev_present(link)) {
1939 "ray_cs interrupt from device not present or suspended.\n");
1942 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1944 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1945 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1946 clear_interrupt(local);
1949 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1950 pccs = ccs_base(local) + rcsindex;
1951 cmd = readb(&pccs->cmd);
1952 status = readb(&pccs->buffer_status);
1954 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1955 del_timer(&local->timer);
1956 if (status == CCS_COMMAND_COMPLETE) {
1958 "ray_cs interrupt download_startup_parameters OK\n");
1961 "ray_cs interrupt download_startup_parameters fail\n");
1964 case CCS_UPDATE_PARAMS:
1965 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1966 if (status != CCS_COMMAND_COMPLETE) {
1968 readb(&pccs->var.update_param.
1971 "ray_cs interrupt update params failed - reason %d\n",
1975 case CCS_REPORT_PARAMS:
1976 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1978 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1980 "ray_cs interrupt CCS Update Multicast List done\n");
1982 case CCS_UPDATE_POWER_SAVINGS_MODE:
1984 "ray_cs interrupt update power save mode done\n");
1986 case CCS_START_NETWORK:
1987 case CCS_JOIN_NETWORK:
1988 if (status == CCS_COMMAND_COMPLETE) {
1990 (&pccs->var.start_network.net_initiated) ==
1993 "ray_cs interrupt network \"%s\" started\n",
1994 local->sparm.b4.a_current_ess_id);
1997 "ray_cs interrupt network \"%s\" joined\n",
1998 local->sparm.b4.a_current_ess_id);
2000 memcpy_fromio(&local->bss_id,
2001 pccs->var.start_network.bssid,
2004 if (local->fw_ver == 0x55)
2005 local->net_default_tx_rate = 3;
2007 local->net_default_tx_rate =
2008 readb(&pccs->var.start_network.
2009 net_default_tx_rate);
2011 readb(&pccs->var.start_network.encryption);
2012 if (!sniffer && (local->net_type == INFRA)
2013 && !(local->sparm.b4.a_acting_as_ap_status)) {
2014 authenticate(local);
2016 local->card_status = CARD_ACQ_COMPLETE;
2018 local->card_status = CARD_ACQ_FAILED;
2020 del_timer(&local->timer);
2021 local->timer.expires = jiffies + HZ * 5;
2022 local->timer.data = (long)local;
2023 if (status == CCS_START_NETWORK) {
2025 "ray_cs interrupt network \"%s\" start failed\n",
2026 local->sparm.b4.a_current_ess_id);
2027 local->timer.function = &start_net;
2030 "ray_cs interrupt network \"%s\" join failed\n",
2031 local->sparm.b4.a_current_ess_id);
2032 local->timer.function = &join_net;
2034 add_timer(&local->timer);
2037 case CCS_START_ASSOCIATION:
2038 if (status == CCS_COMMAND_COMPLETE) {
2039 local->card_status = CARD_ASSOC_COMPLETE;
2040 dev_dbg(&link->dev, "ray_cs association successful\n");
2042 dev_dbg(&link->dev, "ray_cs association failed,\n");
2043 local->card_status = CARD_ASSOC_FAILED;
2044 join_net((u_long) local);
2047 case CCS_TX_REQUEST:
2048 if (status == CCS_COMMAND_COMPLETE) {
2050 "ray_cs interrupt tx request complete\n");
2053 "ray_cs interrupt tx request failed\n");
2056 netif_start_queue(dev);
2057 netif_wake_queue(dev);
2059 case CCS_TEST_MEMORY:
2060 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
2064 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2066 case CCS_DUMP_MEMORY:
2067 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2069 case CCS_START_TIMER:
2071 "ray_cs interrupt DING - raylink timer expired\n");
2075 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2078 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2079 } else { /* It's an RCS */
2081 prcs = rcs_base(local) + rcsindex;
2083 switch (readb(&prcs->interrupt_id)) {
2084 case PROCESS_RX_PACKET:
2085 ray_rx(dev, local, prcs);
2087 case REJOIN_NET_COMPLETE:
2088 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2089 local->card_status = CARD_ACQ_COMPLETE;
2090 /* do we need to clear tx buffers CCS's? */
2091 if (local->sparm.b4.a_network_type == ADHOC) {
2093 netif_start_queue(dev);
2095 memcpy_fromio(&local->bss_id,
2096 prcs->var.rejoin_net_complete.
2099 "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2100 local->bss_id[0], local->bss_id[1],
2101 local->bss_id[2], local->bss_id[3],
2102 local->bss_id[4], local->bss_id[5]);
2104 authenticate(local);
2107 case ROAMING_INITIATED:
2108 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2109 netif_stop_queue(dev);
2110 local->card_status = CARD_DOING_ACQ;
2112 case JAPAN_CALL_SIGN_RXD:
2113 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2117 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2119 (unsigned int)readb(&prcs->interrupt_id));
2122 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2124 clear_interrupt(local);
2126 } /* ray_interrupt */
2128 /*===========================================================================*/
2129 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2130 struct rcs __iomem *prcs)
2133 unsigned int pkt_addr;
2135 pr_debug("ray_rx process rx packet\n");
2137 /* Calculate address of packet within Rx buffer */
2138 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2139 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2140 /* Length of first packet fragment */
2141 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2142 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2144 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2145 pmsg = local->rmem + pkt_addr;
2146 switch (readb(pmsg)) {
2148 pr_debug("ray_rx data type\n");
2149 rx_data(dev, prcs, pkt_addr, rx_len);
2151 case AUTHENTIC_TYPE:
2152 pr_debug("ray_rx authentic type\n");
2154 rx_data(dev, prcs, pkt_addr, rx_len);
2156 rx_authenticate(local, prcs, pkt_addr, rx_len);
2158 case DEAUTHENTIC_TYPE:
2159 pr_debug("ray_rx deauth type\n");
2161 rx_data(dev, prcs, pkt_addr, rx_len);
2163 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2166 pr_debug("ray_cs rx NULL msg\n");
2169 pr_debug("ray_rx beacon type\n");
2171 rx_data(dev, prcs, pkt_addr, rx_len);
2173 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2174 rx_len < sizeof(struct beacon_rx) ?
2175 rx_len : sizeof(struct beacon_rx));
2177 local->beacon_rxed = 1;
2178 /* Get the statistics so the card counters never overflow */
2182 pr_debug("ray_cs unknown pkt type %2x\n",
2183 (unsigned int)readb(pmsg));
2189 /*===========================================================================*/
2190 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2191 unsigned int pkt_addr, int rx_len)
2193 struct sk_buff *skb = NULL;
2194 struct rcs __iomem *prcslink = prcs;
2195 ray_dev_t *local = netdev_priv(dev);
2200 int siglev = local->last_rsl;
2201 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2206 /* TBD length needs fixing for translated header */
2207 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2209 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2212 "ray_cs invalid packet length %d received\n",
2216 } else { /* encapsulated ethernet */
2218 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2220 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2223 "ray_cs invalid packet length %d received\n",
2229 pr_debug("ray_cs rx_data packet\n");
2230 /* If fragmented packet, verify sizes of fragments add up */
2231 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2232 pr_debug("ray_cs rx'ed fragment\n");
2233 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2234 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2239 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2241 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2242 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2245 prcslink = rcs_base(local)
2246 + readb(&prcslink->link_field);
2251 "ray_cs rx_data fragment lengths don't add up\n");
2252 local->stats.rx_dropped++;
2253 release_frag_chain(local, prcs);
2256 } else { /* Single unfragmented packet */
2260 skb = dev_alloc_skb(total_len + 5);
2262 pr_debug("ray_cs rx_data could not allocate skb\n");
2263 local->stats.rx_dropped++;
2264 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2265 release_frag_chain(local, prcs);
2268 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2270 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2273 /************************/
2274 /* Reserve enough room for the whole damn packet. */
2275 rx_ptr = skb_put(skb, total_len);
2276 /* Copy the whole packet to sk_buff */
2278 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2279 /* Get source address */
2281 skb_copy_from_linear_data_offset(skb,
2282 offsetof(struct mac_header, addr_2),
2283 linksrcaddr, ETH_ALEN);
2285 /* Now, deal with encapsulation/translation/sniffer */
2288 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2289 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2290 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2292 /* Do translation */
2293 untranslate(local, skb, total_len);
2295 } else { /* sniffer mode, so just pass whole packet */
2298 /************************/
2299 /* Now pick up the rest of the fragments if any */
2301 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2303 pr_debug("ray_cs rx_data in fragment loop\n");
2305 prcslink = rcs_base(local)
2307 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2309 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2312 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2315 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2317 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2321 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2324 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2326 release_frag_chain(local, prcs);
2329 skb->protocol = eth_type_trans(skb, dev);
2331 local->stats.rx_packets++;
2332 local->stats.rx_bytes += total_len;
2334 /* Gather signal strength per address */
2336 /* For the Access Point or the node having started the ad-hoc net
2337 * note : ad-hoc work only in some specific configurations, but we
2338 * kludge in ray_get_wireless_stats... */
2339 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2340 /* Update statistics */
2341 /*local->wstats.qual.qual = none ? */
2342 local->wstats.qual.level = siglev;
2343 /*local->wstats.qual.noise = none ? */
2344 local->wstats.qual.updated = 0x2;
2346 /* Now, update the spy stuff */
2348 struct iw_quality wstats;
2349 wstats.level = siglev;
2350 /* wstats.noise = none ? */
2351 /* wstats.qual = none ? */
2352 wstats.updated = 0x2;
2353 /* Update spy records */
2354 wireless_spy_update(dev, linksrcaddr, &wstats);
2356 #endif /* WIRELESS_SPY */
2359 /*===========================================================================*/
2360 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2362 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2363 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2364 __be16 type = *(__be16 *) psnap->ethertype;
2366 struct ethhdr *peth;
2367 UCHAR srcaddr[ADDRLEN];
2368 UCHAR destaddr[ADDRLEN];
2369 static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2370 static UCHAR org_1042[3] = { 0, 0, 0 };
2372 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2373 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2377 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2378 DUMP_PREFIX_NONE, 16, 1,
2379 skb->data, 64, true);
2381 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2382 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2383 psnap->org[0], psnap->org[1], psnap->org[2]);
2384 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2388 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2389 /* not a snap type so leave it alone */
2390 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2391 psnap->dsap, psnap->ssap, psnap->ctrl);
2393 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2394 peth = (struct ethhdr *)(skb->data + delta);
2395 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2396 } else { /* Its a SNAP */
2397 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2398 /* EtherII and nuke the LLC */
2399 pr_debug("ray_cs untranslate Bridge encap\n");
2400 delta = RX_MAC_HEADER_LENGTH
2401 + sizeof(struct snaphdr_t) - ETH_HLEN;
2402 peth = (struct ethhdr *)(skb->data + delta);
2403 peth->h_proto = type;
2404 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2405 switch (ntohs(type)) {
2408 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2409 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2410 peth = (struct ethhdr *)(skb->data + delta);
2412 htons(len - RX_MAC_HEADER_LENGTH);
2415 pr_debug("ray_cs untranslate RFC default\n");
2416 delta = RX_MAC_HEADER_LENGTH +
2417 sizeof(struct snaphdr_t) - ETH_HLEN;
2418 peth = (struct ethhdr *)(skb->data + delta);
2419 peth->h_proto = type;
2423 printk("ray_cs untranslate very confused by packet\n");
2424 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2425 peth = (struct ethhdr *)(skb->data + delta);
2426 peth->h_proto = type;
2429 /* TBD reserve skb_reserve(skb, delta); */
2430 skb_pull(skb, delta);
2431 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2433 memcpy(peth->h_dest, destaddr, ADDRLEN);
2434 memcpy(peth->h_source, srcaddr, ADDRLEN);
2438 printk(KERN_DEBUG "skb->data after untranslate:");
2439 for (i = 0; i < 64; i++)
2440 printk("%02x ", skb->data[i]);
2444 } /* end untranslate */
2446 /*===========================================================================*/
2447 /* Copy data from circular receive buffer to PC memory.
2448 * dest = destination address in PC memory
2449 * pkt_addr = source address in receive buffer
2450 * len = length of packet to copy
2452 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2455 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2456 if (wrap_bytes <= 0) {
2457 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2458 } else { /* Packet wrapped in circular buffer */
2460 memcpy_fromio(dest, local->rmem + pkt_addr,
2461 length - wrap_bytes);
2462 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2468 /*===========================================================================*/
2469 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2471 struct rcs __iomem *prcslink = prcs;
2473 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2476 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2477 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2478 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2482 prcslink = rcs_base(local) + rcsindex;
2483 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2485 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2488 /*===========================================================================*/
2489 static void authenticate(ray_dev_t *local)
2491 struct pcmcia_device *link = local->finder;
2492 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2493 if (!(pcmcia_dev_present(link))) {
2494 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2498 del_timer(&local->timer);
2499 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2500 local->timer.function = &join_net;
2502 local->timer.function = &authenticate_timeout;
2504 local->timer.expires = jiffies + HZ * 2;
2505 local->timer.data = (long)local;
2506 add_timer(&local->timer);
2507 local->authentication_state = AWAITING_RESPONSE;
2508 } /* end authenticate */
2510 /*===========================================================================*/
2511 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2512 unsigned int pkt_addr, int rx_len)
2515 struct rx_msg *msg = (struct rx_msg *)buff;
2517 del_timer(&local->timer);
2519 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2520 /* if we are trying to get authenticated */
2521 if (local->sparm.b4.a_network_type == ADHOC) {
2522 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2523 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2524 msg->var[4], msg->var[5]);
2525 if (msg->var[2] == 1) {
2526 pr_debug("ray_cs Sending authentication response.\n");
2527 if (!build_auth_frame
2528 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2529 local->authentication_state = NEED_TO_AUTH;
2530 memcpy(local->auth_id, msg->mac.addr_2,
2534 } else { /* Infrastructure network */
2536 if (local->authentication_state == AWAITING_RESPONSE) {
2537 /* Verify authentication sequence #2 and success */
2538 if (msg->var[2] == 2) {
2539 if ((msg->var[3] | msg->var[4]) == 0) {
2540 pr_debug("Authentication successful\n");
2541 local->card_status = CARD_AUTH_COMPLETE;
2543 local->authentication_state =
2546 pr_debug("Authentication refused\n");
2547 local->card_status = CARD_AUTH_REFUSED;
2548 join_net((u_long) local);
2549 local->authentication_state =
2556 } /* end rx_authenticate */
2558 /*===========================================================================*/
2559 static void associate(ray_dev_t *local)
2561 struct ccs __iomem *pccs;
2562 struct pcmcia_device *link = local->finder;
2563 struct net_device *dev = link->priv;
2565 if (!(pcmcia_dev_present(link))) {
2566 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2569 /* If no tx buffers available, return */
2570 if ((ccsindex = get_free_ccs(local)) < 0) {
2571 /* TBD should never be here but... what if we are? */
2572 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2575 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2576 pccs = ccs_base(local) + ccsindex;
2577 /* fill in the CCS */
2578 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2579 /* Interrupt the firmware to process the command */
2580 if (interrupt_ecf(local, ccsindex)) {
2581 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2582 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2584 del_timer(&local->timer);
2585 local->timer.expires = jiffies + HZ * 2;
2586 local->timer.data = (long)local;
2587 local->timer.function = &join_net;
2588 add_timer(&local->timer);
2589 local->card_status = CARD_ASSOC_FAILED;
2593 netif_start_queue(dev);
2595 } /* end associate */
2597 /*===========================================================================*/
2598 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2599 unsigned int pkt_addr, int rx_len)
2602 struct rx_msg *msg = (struct rx_msg *)buff;
2604 pr_debug("Deauthentication frame received\n");
2605 local->authentication_state = UNAUTHENTICATED;
2606 /* Need to reauthenticate or rejoin depending on reason code */
2607 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2611 /*===========================================================================*/
2612 static void clear_interrupt(ray_dev_t *local)
2614 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2617 /*===========================================================================*/
2618 #ifdef CONFIG_PROC_FS
2619 #define MAXDATA (PAGE_SIZE - 80)
2621 static char *card_status[] = {
2622 "Card inserted - uninitialized", /* 0 */
2623 "Card not downloaded", /* 1 */
2624 "Waiting for download parameters", /* 2 */
2625 "Card doing acquisition", /* 3 */
2626 "Acquisition complete", /* 4 */
2627 "Authentication complete", /* 5 */
2628 "Association complete", /* 6 */
2629 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2630 "Card init error", /* 11 */
2631 "Download parameters error", /* 12 */
2633 "Acquisition failed", /* 14 */
2634 "Authentication refused", /* 15 */
2635 "Association failed" /* 16 */
2638 static char *nettype[] = { "Adhoc", "Infra " };
2639 static char *framing[] = { "Encapsulation", "Translation" }
2642 /*===========================================================================*/
2643 static int ray_cs_proc_show(struct seq_file *m, void *v)
2645 /* Print current values which are not available via other means
2649 struct pcmcia_device *link;
2650 struct net_device *dev;
2653 struct freq_hop_element *pfh;
2659 dev = (struct net_device *)link->priv;
2662 local = netdev_priv(dev);
2666 seq_puts(m, "Raylink Wireless LAN driver status\n");
2667 seq_printf(m, "%s\n", rcsid);
2668 /* build 4 does not report version, and field is 0x55 after memtest */
2669 seq_puts(m, "Firmware version = ");
2670 if (local->fw_ver == 0x55)
2671 seq_puts(m, "4 - Use dump_cis for more details\n");
2673 seq_printf(m, "%2d.%02d.%02d\n",
2674 local->fw_ver, local->fw_bld, local->fw_var);
2676 for (i = 0; i < 32; i++)
2677 c[i] = local->sparm.b5.a_current_ess_id[i];
2679 seq_printf(m, "%s network ESSID = \"%s\"\n",
2680 nettype[local->sparm.b5.a_network_type], c);
2683 seq_printf(m, "BSSID = %pM\n", p);
2685 seq_printf(m, "Country code = %d\n",
2686 local->sparm.b5.a_curr_country_code);
2688 i = local->card_status;
2693 seq_printf(m, "Card status = %s\n", card_status[i]);
2695 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2697 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2699 if (local->beacon_rxed) {
2700 /* Pull some fields out of last beacon received */
2701 seq_printf(m, "Beacon Interval = %d Kus\n",
2702 local->last_bcn.beacon_intvl[0]
2703 + 256 * local->last_bcn.beacon_intvl[1]);
2705 p = local->last_bcn.elements;
2706 if (p[0] == C_ESSID_ELEMENT_ID)
2710 "Parse beacon failed at essid element id = %d\n",
2715 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2716 seq_puts(m, "Supported rate codes = ");
2717 for (i = 2; i < p[1] + 2; i++)
2718 seq_printf(m, "0x%02x ", p[i]);
2722 seq_puts(m, "Parse beacon failed at rates element\n");
2726 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2727 pfh = (struct freq_hop_element *)p;
2728 seq_printf(m, "Hop dwell = %d Kus\n",
2729 pfh->dwell_time[0] +
2730 256 * pfh->dwell_time[1]);
2731 seq_printf(m, "Hop set = %d\n",
2733 seq_printf(m, "Hop pattern = %d\n",
2735 seq_printf(m, "Hop index = %d\n",
2740 "Parse beacon failed at FH param element\n");
2744 seq_puts(m, "No beacons received\n");
2749 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2751 return single_open(file, ray_cs_proc_show, NULL);
2754 static const struct file_operations ray_cs_proc_fops = {
2755 .owner = THIS_MODULE,
2756 .open = ray_cs_proc_open,
2758 .llseek = seq_lseek,
2759 .release = single_release,
2762 /*===========================================================================*/
2763 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2766 struct ccs __iomem *pccs;
2767 struct tx_msg __iomem *ptx;
2770 /* If no tx buffers available, return */
2771 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2772 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2776 pccs = ccs_base(local) + ccsindex;
2778 /* Address in card space */
2779 addr = TX_BUF_BASE + (ccsindex << 11);
2780 /* fill in the CCS */
2781 writeb(CCS_TX_REQUEST, &pccs->cmd);
2782 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2783 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2784 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2785 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2786 pccs->var.tx_request.tx_data_length + 1);
2787 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2789 ptx = local->sram + addr;
2790 /* fill in the mac header */
2791 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2792 writeb(0, &ptx->mac.frame_ctl_2);
2794 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2795 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2796 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2798 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2799 memset_io(ptx->var, 0, 6);
2800 writeb(auth_type & 0xff, ptx->var + 2);
2802 /* Interrupt the firmware to process the command */
2803 if (interrupt_ecf(local, ccsindex)) {
2805 "ray_cs send authentication request failed - ECF not ready for intr\n");
2806 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2810 } /* End build_auth_frame */
2812 /*===========================================================================*/
2813 #ifdef CONFIG_PROC_FS
2814 static ssize_t ray_cs_essid_proc_write(struct file *file,
2815 const char __user *buffer, size_t count, loff_t *pos)
2817 static char proc_essid[33];
2818 unsigned int len = count;
2822 memset(proc_essid, 0, 33);
2823 if (copy_from_user(proc_essid, buffer, len))
2829 static const struct file_operations ray_cs_essid_proc_fops = {
2830 .owner = THIS_MODULE,
2831 .write = ray_cs_essid_proc_write,
2834 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2835 size_t count, loff_t *pos)
2837 static char proc_number[10];
2846 if (copy_from_user(proc_number, buffer, count))
2852 unsigned int c = *p - '0';
2858 *(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
2862 static const struct file_operations int_proc_fops = {
2863 .owner = THIS_MODULE,
2864 .write = int_proc_write,
2868 static struct pcmcia_device_id ray_ids[] = {
2869 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2873 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2875 static struct pcmcia_driver ray_driver = {
2876 .owner = THIS_MODULE,
2881 .remove = ray_detach,
2882 .id_table = ray_ids,
2883 .suspend = ray_suspend,
2884 .resume = ray_resume,
2887 static int __init init_ray_cs(void)
2891 pr_debug("%s\n", rcsid);
2892 rc = pcmcia_register_driver(&ray_driver);
2893 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2896 #ifdef CONFIG_PROC_FS
2897 proc_mkdir("driver/ray_cs", NULL);
2899 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2900 proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2901 proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2902 proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2909 /*===========================================================================*/
2911 static void __exit exit_ray_cs(void)
2913 pr_debug("ray_cs: cleanup_module\n");
2915 #ifdef CONFIG_PROC_FS
2916 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2917 remove_proc_entry("driver/ray_cs/essid", NULL);
2918 remove_proc_entry("driver/ray_cs/net_type", NULL);
2919 remove_proc_entry("driver/ray_cs/translate", NULL);
2920 remove_proc_entry("driver/ray_cs", NULL);
2923 pcmcia_unregister_driver(&ray_driver);
2926 module_init(init_ray_cs);
2927 module_exit(exit_ray_cs);
2929 /*===========================================================================*/