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->io.NumPorts1 = 0;
319 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
320 p_dev->io.IOAddrLines = 5;
322 /* General socket configuration */
323 p_dev->conf.Attributes = CONF_ENABLE_IRQ;
324 p_dev->conf.IntType = INT_MEMORY_AND_IO;
325 p_dev->conf.ConfigIndex = 1;
329 local->finder = p_dev;
330 local->card_status = CARD_INSERTED;
331 local->authentication_state = UNAUTHENTICATED;
332 local->num_multi = 0;
333 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
334 p_dev, dev, local, &ray_interrupt);
336 /* Raylink entries in the device structure */
337 dev->netdev_ops = &ray_netdev_ops;
338 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
339 dev->wireless_handlers = &ray_handler_def;
341 local->wireless_data.spy_data = &local->spy_data;
342 dev->wireless_data = &local->wireless_data;
343 #endif /* WIRELESS_SPY */
346 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
347 netif_stop_queue(dev);
349 init_timer(&local->timer);
352 return ray_config(p_dev);
358 /*=============================================================================
359 This deletes a driver "instance". The device is de-registered
360 with Card Services. If it has been released, all local data
361 structures are freed. Otherwise, the structures will be freed
362 when the device is released.
363 =============================================================================*/
364 static void ray_detach(struct pcmcia_device *link)
366 struct net_device *dev;
369 dev_dbg(&link->dev, "ray_detach\n");
376 local = netdev_priv(dev);
377 del_timer(&local->timer);
380 unregister_netdev(dev);
383 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
386 /*=============================================================================
387 ray_config() is run after a CARD_INSERTION event
388 is received, to configure the PCMCIA socket, and to make the
389 ethernet device available to the system.
390 =============================================================================*/
391 #define MAX_TUPLE_SIZE 128
392 static int ray_config(struct pcmcia_device *link)
398 struct net_device *dev = (struct net_device *)link->priv;
399 ray_dev_t *local = netdev_priv(dev);
401 dev_dbg(&link->dev, "ray_config\n");
403 /* Determine card type and firmware version */
404 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
405 link->prod_id[0] ? link->prod_id[0] : " ",
406 link->prod_id[1] ? link->prod_id[1] : " ",
407 link->prod_id[2] ? link->prod_id[2] : " ",
408 link->prod_id[3] ? link->prod_id[3] : " ");
410 /* Now allocate an interrupt line. Note that this does not
411 actually assign a handler to the interrupt.
413 ret = pcmcia_request_irq(link, ray_interrupt);
416 dev->irq = link->irq;
418 /* This actually configures the PCMCIA socket -- setting up
419 the I/O windows and the interrupt mapping.
421 ret = pcmcia_request_configuration(link, &link->conf);
425 /*** Set up 32k window for shared memory (transmit and control) ************/
427 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
430 req.AccessSpeed = ray_mem_speed;
431 ret = pcmcia_request_window(link, &req, &link->win);
434 mem.CardOffset = 0x0000;
436 ret = pcmcia_map_mem_page(link, link->win, &mem);
439 local->sram = ioremap(req.Base, req.Size);
441 /*** Set up 16k window for shared memory (receive buffer) ***************/
443 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
446 req.AccessSpeed = ray_mem_speed;
447 ret = pcmcia_request_window(link, &req, &local->rmem_handle);
450 mem.CardOffset = 0x8000;
452 ret = pcmcia_map_mem_page(link, local->rmem_handle, &mem);
455 local->rmem = ioremap(req.Base, req.Size);
457 /*** Set up window for attribute memory ***********************************/
459 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
462 req.AccessSpeed = ray_mem_speed;
463 ret = pcmcia_request_window(link, &req, &local->amem_handle);
466 mem.CardOffset = 0x0000;
468 ret = pcmcia_map_mem_page(link, local->amem_handle, &mem);
471 local->amem = ioremap(req.Base, req.Size);
473 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
474 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
475 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
476 if (ray_init(dev) < 0) {
481 SET_NETDEV_DEV(dev, &link->dev);
482 i = register_netdev(dev);
484 printk("ray_config register_netdev() failed\n");
489 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
490 dev->name, dev->irq, dev->dev_addr);
499 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
501 return dev->sram + CCS_BASE;
504 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
507 * This looks nonsensical, since there is a separate
508 * RCS_BASE. But the difference between a "struct rcs"
509 * and a "struct ccs" ends up being in the _index_ off
510 * the base, so the base pointer is the same for both
513 return dev->sram + CCS_BASE;
516 /*===========================================================================*/
517 static int ray_init(struct net_device *dev)
521 struct ccs __iomem *pccs;
522 ray_dev_t *local = netdev_priv(dev);
523 struct pcmcia_device *link = local->finder;
524 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
525 if (!(pcmcia_dev_present(link))) {
526 dev_dbg(&link->dev, "ray_init - device not present\n");
530 local->net_type = net_type;
531 local->sta_type = TYPE_STA;
533 /* Copy the startup results to local memory */
534 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
535 sizeof(struct startup_res_6));
537 /* Check Power up test status and get mac address from card */
538 if (local->startup_res.startup_word != 0x80) {
539 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
540 local->startup_res.startup_word);
541 local->card_status = CARD_INIT_ERROR;
545 local->fw_ver = local->startup_res.firmware_version[0];
546 local->fw_bld = local->startup_res.firmware_version[1];
547 local->fw_var = local->startup_res.firmware_version[2];
548 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
551 local->tib_length = 0x20;
552 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
553 local->tib_length = local->startup_res.tib_length;
554 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
555 /* Initialize CCS's to buffer free state */
556 pccs = ccs_base(local);
557 for (i = 0; i < NUMBER_OF_CCS; i++) {
558 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
560 init_startup_params(local);
562 /* copy mac address to startup parameters */
563 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
564 p = local->sparm.b4.a_mac_addr;
566 memcpy(&local->sparm.b4.a_mac_addr,
567 &local->startup_res.station_addr, ADDRLEN);
568 p = local->sparm.b4.a_mac_addr;
571 clear_interrupt(local); /* Clear any interrupt from the card */
572 local->card_status = CARD_AWAITING_PARAM;
573 dev_dbg(&link->dev, "ray_init ending\n");
577 /*===========================================================================*/
578 /* Download startup parameters to the card and command it to read them */
579 static int dl_startup_params(struct net_device *dev)
582 ray_dev_t *local = netdev_priv(dev);
583 struct ccs __iomem *pccs;
584 struct pcmcia_device *link = local->finder;
586 dev_dbg(&link->dev, "dl_startup_params entered\n");
587 if (!(pcmcia_dev_present(link))) {
588 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
592 /* Copy parameters to host to ECF area */
593 if (local->fw_ver == 0x55)
594 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
595 sizeof(struct b4_startup_params));
597 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
598 sizeof(struct b5_startup_params));
600 /* Fill in the CCS fields for the ECF */
601 if ((ccsindex = get_free_ccs(local)) < 0)
603 local->dl_param_ccs = ccsindex;
604 pccs = ccs_base(local) + ccsindex;
605 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
606 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
607 local->dl_param_ccs);
608 /* Interrupt the firmware to process the command */
609 if (interrupt_ecf(local, ccsindex)) {
610 printk(KERN_INFO "ray dl_startup_params failed - "
611 "ECF not ready for intr\n");
612 local->card_status = CARD_DL_PARAM_ERROR;
613 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
616 local->card_status = CARD_DL_PARAM;
617 /* Start kernel timer to wait for dl startup to complete. */
618 local->timer.expires = jiffies + HZ / 2;
619 local->timer.data = (long)local;
620 local->timer.function = &verify_dl_startup;
621 add_timer(&local->timer);
623 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
625 } /* dl_startup_params */
627 /*===========================================================================*/
628 static void init_startup_params(ray_dev_t *local)
632 if (country > JAPAN_TEST)
634 else if (country < USA)
636 /* structure for hop time and beacon period is defined here using
637 * New 802.11D6.1 format. Card firmware is still using old format
640 * a_hop_time ms byte a_hop_time ms byte
641 * a_hop_time 2s byte a_hop_time ls byte
642 * a_hop_time ls byte a_beacon_period ms byte
643 * a_beacon_period a_beacon_period ls byte
645 * a_hop_time = uS a_hop_time = KuS
646 * a_beacon_period = hops a_beacon_period = KuS
647 *//* 64ms = 010000 */
648 if (local->fw_ver == 0x55) {
649 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
650 sizeof(struct b4_startup_params));
651 /* Translate sane kus input values to old build 4/5 format */
652 /* i = hop time in uS truncated to 3 bytes */
653 i = (hop_dwell * 1024) & 0xffffff;
654 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
655 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
656 local->sparm.b4.a_beacon_period[0] = 0;
657 local->sparm.b4.a_beacon_period[1] =
658 ((beacon_period / hop_dwell) - 1) & 0xff;
659 local->sparm.b4.a_curr_country_code = country;
660 local->sparm.b4.a_hop_pattern_length =
661 hop_pattern_length[(int)country] - 1;
663 local->sparm.b4.a_ack_timeout = 0x50;
664 local->sparm.b4.a_sifs = 0x3f;
666 } else { /* Version 5 uses real kus values */
667 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
668 sizeof(struct b5_startup_params));
670 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
671 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
672 local->sparm.b5.a_beacon_period[0] =
673 (beacon_period >> 8) & 0xff;
674 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
676 local->sparm.b5.a_power_mgt_state = 1;
677 local->sparm.b5.a_curr_country_code = country;
678 local->sparm.b5.a_hop_pattern_length =
679 hop_pattern_length[(int)country];
682 local->sparm.b4.a_network_type = net_type & 0x01;
683 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
686 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
687 } /* init_startup_params */
689 /*===========================================================================*/
690 static void verify_dl_startup(u_long data)
692 ray_dev_t *local = (ray_dev_t *) data;
693 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
695 struct pcmcia_device *link = local->finder;
697 if (!(pcmcia_dev_present(link))) {
698 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
705 "verify_dl_startup parameters sent via ccs %d:\n",
706 local->dl_param_ccs);
707 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
709 (unsigned int)readb(local->sram +
710 HOST_TO_ECF_BASE + i));
716 status = readb(&pccs->buffer_status);
717 if (status != CCS_BUFFER_FREE) {
719 "Download startup params failed. Status = %d\n",
721 local->card_status = CARD_DL_PARAM_ERROR;
724 if (local->sparm.b4.a_network_type == ADHOC)
725 start_net((u_long) local);
727 join_net((u_long) local);
728 } /* end verify_dl_startup */
730 /*===========================================================================*/
731 /* Command card to start a network */
732 static void start_net(u_long data)
734 ray_dev_t *local = (ray_dev_t *) data;
735 struct ccs __iomem *pccs;
737 struct pcmcia_device *link = local->finder;
738 if (!(pcmcia_dev_present(link))) {
739 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
742 /* Fill in the CCS fields for the ECF */
743 if ((ccsindex = get_free_ccs(local)) < 0)
745 pccs = ccs_base(local) + ccsindex;
746 writeb(CCS_START_NETWORK, &pccs->cmd);
747 writeb(0, &pccs->var.start_network.update_param);
748 /* Interrupt the firmware to process the command */
749 if (interrupt_ecf(local, ccsindex)) {
750 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
751 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
754 local->card_status = CARD_DOING_ACQ;
755 } /* end start_net */
757 /*===========================================================================*/
758 /* Command card to join a network */
759 static void join_net(u_long data)
761 ray_dev_t *local = (ray_dev_t *) data;
763 struct ccs __iomem *pccs;
765 struct pcmcia_device *link = local->finder;
767 if (!(pcmcia_dev_present(link))) {
768 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
771 /* Fill in the CCS fields for the ECF */
772 if ((ccsindex = get_free_ccs(local)) < 0)
774 pccs = ccs_base(local) + ccsindex;
775 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
776 writeb(0, &pccs->var.join_network.update_param);
777 writeb(0, &pccs->var.join_network.net_initiated);
778 /* Interrupt the firmware to process the command */
779 if (interrupt_ecf(local, ccsindex)) {
780 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
781 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
784 local->card_status = CARD_DOING_ACQ;
787 /*============================================================================
788 After a card is removed, ray_release() will unregister the net
789 device, and release the PCMCIA configuration. If the device is
790 still open, this will be postponed until it is closed.
791 =============================================================================*/
792 static void ray_release(struct pcmcia_device *link)
794 struct net_device *dev = link->priv;
795 ray_dev_t *local = netdev_priv(dev);
798 dev_dbg(&link->dev, "ray_release\n");
800 del_timer(&local->timer);
802 iounmap(local->sram);
803 iounmap(local->rmem);
804 iounmap(local->amem);
805 /* Do bother checking to see if these succeed or not */
806 i = pcmcia_release_window(link, local->amem_handle);
808 dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i);
809 i = pcmcia_release_window(link, local->rmem_handle);
811 dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i);
812 pcmcia_disable_device(link);
814 dev_dbg(&link->dev, "ray_release ending\n");
817 static int ray_suspend(struct pcmcia_device *link)
819 struct net_device *dev = link->priv;
822 netif_device_detach(dev);
827 static int ray_resume(struct pcmcia_device *link)
829 struct net_device *dev = link->priv;
833 netif_device_attach(dev);
839 /*===========================================================================*/
840 static int ray_dev_init(struct net_device *dev)
842 #ifdef RAY_IMMEDIATE_INIT
844 #endif /* RAY_IMMEDIATE_INIT */
845 ray_dev_t *local = netdev_priv(dev);
846 struct pcmcia_device *link = local->finder;
848 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
849 if (!(pcmcia_dev_present(link))) {
850 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
853 #ifdef RAY_IMMEDIATE_INIT
854 /* Download startup parameters */
855 if ((i = dl_startup_params(dev)) < 0) {
856 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
857 "returns 0x%x\n", i);
860 #else /* RAY_IMMEDIATE_INIT */
861 /* Postpone the card init so that we can still configure the card,
862 * for example using the Wireless Extensions. The init will happen
863 * in ray_open() - Jean II */
865 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
867 #endif /* RAY_IMMEDIATE_INIT */
869 /* copy mac and broadcast addresses to linux device */
870 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
871 memset(dev->broadcast, 0xff, ETH_ALEN);
873 dev_dbg(&link->dev, "ray_dev_init ending\n");
877 /*===========================================================================*/
878 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
880 ray_dev_t *local = netdev_priv(dev);
881 struct pcmcia_device *link = local->finder;
882 /* Dummy routine to satisfy device structure */
883 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
884 if (!(pcmcia_dev_present(link))) {
885 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
892 /*===========================================================================*/
893 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
894 struct net_device *dev)
896 ray_dev_t *local = netdev_priv(dev);
897 struct pcmcia_device *link = local->finder;
898 short length = skb->len;
900 if (!pcmcia_dev_present(link)) {
901 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
906 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
907 if (local->authentication_state == NEED_TO_AUTH) {
908 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
909 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
910 local->authentication_state = AUTHENTICATED;
911 netif_stop_queue(dev);
912 return NETDEV_TX_BUSY;
916 if (length < ETH_ZLEN) {
917 if (skb_padto(skb, ETH_ZLEN))
921 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
924 netif_stop_queue(dev);
925 return NETDEV_TX_BUSY;
934 } /* ray_dev_start_xmit */
936 /*===========================================================================*/
937 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
940 ray_dev_t *local = netdev_priv(dev);
941 struct ccs __iomem *pccs;
944 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
945 short int addr; /* Address of xmit buffer in card space */
947 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
948 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
949 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
953 switch (ccsindex = get_free_tx_ccs(local)) {
955 pr_debug("ray_hw_xmit tx_ccs table busy\n");
957 pr_debug("ray_hw_xmit No free tx ccs\n");
959 netif_stop_queue(dev);
964 addr = TX_BUF_BASE + (ccsindex << 11);
966 if (msg_type == DATA_TYPE) {
967 local->stats.tx_bytes += len;
968 local->stats.tx_packets++;
971 ptx = local->sram + addr;
973 ray_build_header(local, ptx, msg_type, data);
975 offset = translate_frame(local, ptx, data, len);
976 } else { /* Encapsulate frame */
977 /* TBD TIB length will move address of ptx->var */
978 memcpy_toio(&ptx->var, data, len);
982 /* fill in the CCS */
983 pccs = ccs_base(local) + ccsindex;
984 len += TX_HEADER_LENGTH + offset;
985 writeb(CCS_TX_REQUEST, &pccs->cmd);
986 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
987 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
988 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
989 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
990 /* TBD still need psm_cam? */
991 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
992 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
993 writeb(0, &pccs->var.tx_request.antenna);
994 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
995 local->net_default_tx_rate);
997 /* Interrupt the firmware to process the command */
998 if (interrupt_ecf(local, ccsindex)) {
999 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
1000 /* TBD very inefficient to copy packet to buffer, and then not
1001 send it, but the alternative is to queue the messages and that
1002 won't be done for a while. Maybe set tbusy until a CCS is free?
1004 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1005 return XMIT_NO_INTR;
1008 } /* end ray_hw_xmit */
1010 /*===========================================================================*/
1011 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1012 unsigned char *data, int len)
1014 __be16 proto = ((struct ethhdr *)data)->h_proto;
1015 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1016 pr_debug("ray_cs translate_frame DIX II\n");
1017 /* Copy LLC header to card buffer */
1018 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1019 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1020 (UCHAR *) &proto, 2);
1021 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1022 /* This is the selective translation table, only 2 entries */
1024 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1026 /* Copy body of ethernet packet without ethernet header */
1027 memcpy_toio((void __iomem *)&ptx->var +
1028 sizeof(struct snaphdr_t), data + ETH_HLEN,
1030 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1031 } else { /* already 802 type, and proto is length */
1032 pr_debug("ray_cs translate_frame 802\n");
1033 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1034 pr_debug("ray_cs translate_frame evil IPX\n");
1035 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1036 return 0 - ETH_HLEN;
1038 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1039 return 0 - ETH_HLEN;
1041 /* TBD do other frame types */
1042 } /* end translate_frame */
1044 /*===========================================================================*/
1045 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1046 UCHAR msg_type, unsigned char *data)
1048 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1049 /*** IEEE 802.11 Address field assignments *************
1050 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1051 Adhoc 0 0 dest src (terminal) BSSID N/A
1052 AP to Terminal 0 1 dest AP(BSSID) source N/A
1053 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1054 AP to AP 1 1 dest AP src AP dest source
1055 *******************************************************/
1056 if (local->net_type == ADHOC) {
1057 writeb(0, &ptx->mac.frame_ctl_2);
1058 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1060 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1061 } else { /* infrastructure */
1063 if (local->sparm.b4.a_acting_as_ap_status) {
1064 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1065 memcpy_toio(ptx->mac.addr_1,
1066 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1067 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1068 memcpy_toio(ptx->mac.addr_3,
1069 ((struct ethhdr *)data)->h_source, ADDRLEN);
1070 } else { /* Terminal */
1072 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1073 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1074 memcpy_toio(ptx->mac.addr_2,
1075 ((struct ethhdr *)data)->h_source, ADDRLEN);
1076 memcpy_toio(ptx->mac.addr_3,
1077 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1080 } /* end encapsulate_frame */
1082 /*===========================================================================*/
1084 static void netdev_get_drvinfo(struct net_device *dev,
1085 struct ethtool_drvinfo *info)
1087 strcpy(info->driver, "ray_cs");
1090 static const struct ethtool_ops netdev_ethtool_ops = {
1091 .get_drvinfo = netdev_get_drvinfo,
1094 /*====================================================================*/
1096 /*------------------------------------------------------------------*/
1098 * Wireless Handler : get protocol name
1100 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1101 union iwreq_data *wrqu, char *extra)
1103 strcpy(wrqu->name, "IEEE 802.11-FH");
1107 /*------------------------------------------------------------------*/
1109 * Wireless Handler : set frequency
1111 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1112 union iwreq_data *wrqu, char *extra)
1114 ray_dev_t *local = netdev_priv(dev);
1115 int err = -EINPROGRESS; /* Call commit handler */
1117 /* Reject if card is already initialised */
1118 if (local->card_status != CARD_AWAITING_PARAM)
1121 /* Setting by channel number */
1122 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1125 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1130 /*------------------------------------------------------------------*/
1132 * Wireless Handler : get frequency
1134 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1135 union iwreq_data *wrqu, char *extra)
1137 ray_dev_t *local = netdev_priv(dev);
1139 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1144 /*------------------------------------------------------------------*/
1146 * Wireless Handler : set ESSID
1148 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1149 union iwreq_data *wrqu, char *extra)
1151 ray_dev_t *local = netdev_priv(dev);
1153 /* Reject if card is already initialised */
1154 if (local->card_status != CARD_AWAITING_PARAM)
1157 /* Check if we asked for `any' */
1158 if (wrqu->essid.flags == 0)
1159 /* Corey : can you do that ? */
1162 /* Check the size of the string */
1163 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1166 /* Set the ESSID in the card */
1167 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1168 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1170 return -EINPROGRESS; /* Call commit handler */
1173 /*------------------------------------------------------------------*/
1175 * Wireless Handler : get ESSID
1177 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1178 union iwreq_data *wrqu, char *extra)
1180 ray_dev_t *local = netdev_priv(dev);
1182 /* Get the essid that was set */
1183 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1186 wrqu->essid.length = strlen(extra);
1187 wrqu->essid.flags = 1; /* active */
1192 /*------------------------------------------------------------------*/
1194 * Wireless Handler : get AP address
1196 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1197 union iwreq_data *wrqu, char *extra)
1199 ray_dev_t *local = netdev_priv(dev);
1201 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1202 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1207 /*------------------------------------------------------------------*/
1209 * Wireless Handler : set Bit-Rate
1211 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1212 union iwreq_data *wrqu, char *extra)
1214 ray_dev_t *local = netdev_priv(dev);
1216 /* Reject if card is already initialised */
1217 if (local->card_status != CARD_AWAITING_PARAM)
1220 /* Check if rate is in range */
1221 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1224 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1225 if ((local->fw_ver == 0x55) && /* Please check */
1226 (wrqu->bitrate.value == 2000000))
1227 local->net_default_tx_rate = 3;
1229 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1234 /*------------------------------------------------------------------*/
1236 * Wireless Handler : get Bit-Rate
1238 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1239 union iwreq_data *wrqu, char *extra)
1241 ray_dev_t *local = netdev_priv(dev);
1243 if (local->net_default_tx_rate == 3)
1244 wrqu->bitrate.value = 2000000; /* Hum... */
1246 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1247 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1252 /*------------------------------------------------------------------*/
1254 * Wireless Handler : set RTS threshold
1256 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1257 union iwreq_data *wrqu, char *extra)
1259 ray_dev_t *local = netdev_priv(dev);
1260 int rthr = wrqu->rts.value;
1262 /* Reject if card is already initialised */
1263 if (local->card_status != CARD_AWAITING_PARAM)
1266 /* if(wrq->u.rts.fixed == 0) we should complain */
1267 if (wrqu->rts.disabled)
1270 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1273 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1274 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1276 return -EINPROGRESS; /* Call commit handler */
1279 /*------------------------------------------------------------------*/
1281 * Wireless Handler : get RTS threshold
1283 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1284 union iwreq_data *wrqu, char *extra)
1286 ray_dev_t *local = netdev_priv(dev);
1288 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1289 + local->sparm.b5.a_rts_threshold[1];
1290 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1291 wrqu->rts.fixed = 1;
1296 /*------------------------------------------------------------------*/
1298 * Wireless Handler : set Fragmentation threshold
1300 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1301 union iwreq_data *wrqu, char *extra)
1303 ray_dev_t *local = netdev_priv(dev);
1304 int fthr = wrqu->frag.value;
1306 /* Reject if card is already initialised */
1307 if (local->card_status != CARD_AWAITING_PARAM)
1310 /* if(wrq->u.frag.fixed == 0) should complain */
1311 if (wrqu->frag.disabled)
1314 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1317 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1318 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1320 return -EINPROGRESS; /* Call commit handler */
1323 /*------------------------------------------------------------------*/
1325 * Wireless Handler : get Fragmentation threshold
1327 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1328 union iwreq_data *wrqu, char *extra)
1330 ray_dev_t *local = netdev_priv(dev);
1332 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1333 + local->sparm.b5.a_frag_threshold[1];
1334 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1335 wrqu->frag.fixed = 1;
1340 /*------------------------------------------------------------------*/
1342 * Wireless Handler : set Mode of Operation
1344 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1345 union iwreq_data *wrqu, char *extra)
1347 ray_dev_t *local = netdev_priv(dev);
1348 int err = -EINPROGRESS; /* Call commit handler */
1351 /* Reject if card is already initialised */
1352 if (local->card_status != CARD_AWAITING_PARAM)
1355 switch (wrqu->mode) {
1360 local->sparm.b5.a_network_type = card_mode;
1369 /*------------------------------------------------------------------*/
1371 * Wireless Handler : get Mode of Operation
1373 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1374 union iwreq_data *wrqu, char *extra)
1376 ray_dev_t *local = netdev_priv(dev);
1378 if (local->sparm.b5.a_network_type)
1379 wrqu->mode = IW_MODE_INFRA;
1381 wrqu->mode = IW_MODE_ADHOC;
1386 /*------------------------------------------------------------------*/
1388 * Wireless Handler : get range info
1390 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1391 union iwreq_data *wrqu, char *extra)
1393 struct iw_range *range = (struct iw_range *)extra;
1395 memset(range, 0, sizeof(struct iw_range));
1397 /* Set the length (very important for backward compatibility) */
1398 wrqu->data.length = sizeof(struct iw_range);
1400 /* Set the Wireless Extension versions */
1401 range->we_version_compiled = WIRELESS_EXT;
1402 range->we_version_source = 9;
1404 /* Set information in the range struct */
1405 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1406 range->num_channels = hop_pattern_length[(int)country];
1407 range->num_frequency = 0;
1408 range->max_qual.qual = 0;
1409 range->max_qual.level = 255; /* What's the correct value ? */
1410 range->max_qual.noise = 255; /* Idem */
1411 range->num_bitrates = 2;
1412 range->bitrate[0] = 1000000; /* 1 Mb/s */
1413 range->bitrate[1] = 2000000; /* 2 Mb/s */
1417 /*------------------------------------------------------------------*/
1419 * Wireless Private Handler : set framing mode
1421 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1422 union iwreq_data *wrqu, char *extra)
1424 translate = *(extra); /* Set framing mode */
1429 /*------------------------------------------------------------------*/
1431 * Wireless Private Handler : get framing mode
1433 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1434 union iwreq_data *wrqu, char *extra)
1436 *(extra) = translate;
1441 /*------------------------------------------------------------------*/
1443 * Wireless Private Handler : get country
1445 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1446 union iwreq_data *wrqu, char *extra)
1453 /*------------------------------------------------------------------*/
1455 * Commit handler : called after a bunch of SET operations
1457 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1458 union iwreq_data *wrqu, char *extra)
1463 /*------------------------------------------------------------------*/
1465 * Stats handler : return Wireless Stats
1467 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1469 ray_dev_t *local = netdev_priv(dev);
1470 struct pcmcia_device *link = local->finder;
1471 struct status __iomem *p = local->sram + STATUS_BASE;
1473 local->wstats.status = local->card_status;
1475 if ((local->spy_data.spy_number > 0)
1476 && (local->sparm.b5.a_network_type == 0)) {
1477 /* Get it from the first node in spy list */
1478 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1479 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1480 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1481 local->wstats.qual.updated =
1482 local->spy_data.spy_stat[0].updated;
1484 #endif /* WIRELESS_SPY */
1486 if (pcmcia_dev_present(link)) {
1487 local->wstats.qual.noise = readb(&p->rxnoise);
1488 local->wstats.qual.updated |= 4;
1491 return &local->wstats;
1492 } /* end ray_get_wireless_stats */
1494 /*------------------------------------------------------------------*/
1496 * Structures to export the Wireless Handlers
1499 static const iw_handler ray_handler[] = {
1500 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1501 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1502 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1503 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1504 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1505 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1506 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1508 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1509 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1510 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1511 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1512 #endif /* WIRELESS_SPY */
1513 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1514 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1515 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1516 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1517 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1518 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1519 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1520 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1521 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1524 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1525 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1526 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1528 static const iw_handler ray_private_handler[] = {
1529 [0] = ray_set_framing,
1530 [1] = ray_get_framing,
1531 [3] = ray_get_country,
1534 static const struct iw_priv_args ray_private_args[] = {
1535 /* cmd, set_args, get_args, name */
1536 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1538 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1540 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1544 static const struct iw_handler_def ray_handler_def = {
1545 .num_standard = ARRAY_SIZE(ray_handler),
1546 .num_private = ARRAY_SIZE(ray_private_handler),
1547 .num_private_args = ARRAY_SIZE(ray_private_args),
1548 .standard = ray_handler,
1549 .private = ray_private_handler,
1550 .private_args = ray_private_args,
1551 .get_wireless_stats = ray_get_wireless_stats,
1554 /*===========================================================================*/
1555 static int ray_open(struct net_device *dev)
1557 ray_dev_t *local = netdev_priv(dev);
1558 struct pcmcia_device *link;
1559 link = local->finder;
1561 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1563 if (link->open == 0)
1564 local->num_multi = 0;
1567 /* If the card is not started, time to start it ! - Jean II */
1568 if (local->card_status == CARD_AWAITING_PARAM) {
1571 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1573 /* Download startup parameters */
1574 if ((i = dl_startup_params(dev)) < 0) {
1576 "ray_dev_init dl_startup_params failed - "
1577 "returns 0x%x\n", i);
1583 netif_stop_queue(dev);
1585 netif_start_queue(dev);
1587 dev_dbg(&link->dev, "ray_open ending\n");
1589 } /* end ray_open */
1591 /*===========================================================================*/
1592 static int ray_dev_close(struct net_device *dev)
1594 ray_dev_t *local = netdev_priv(dev);
1595 struct pcmcia_device *link;
1596 link = local->finder;
1598 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1601 netif_stop_queue(dev);
1603 /* In here, we should stop the hardware (stop card from beeing active)
1604 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1605 * card is closed we can chage its configuration.
1606 * Probably also need a COR reset to get sane state - Jean II */
1609 } /* end ray_dev_close */
1611 /*===========================================================================*/
1612 static void ray_reset(struct net_device *dev)
1614 pr_debug("ray_reset entered\n");
1617 /*===========================================================================*/
1618 /* Cause a firmware interrupt if it is ready for one */
1619 /* Return nonzero if not ready */
1620 static int interrupt_ecf(ray_dev_t *local, int ccs)
1623 struct pcmcia_device *link = local->finder;
1625 if (!(pcmcia_dev_present(link))) {
1626 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1629 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1632 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1636 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1639 /* Fill the mailbox, then kick the card */
1640 writeb(ccs, local->sram + SCB_BASE);
1641 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1643 } /* interrupt_ecf */
1645 /*===========================================================================*/
1646 /* Get next free transmit CCS */
1647 /* Return - index of current tx ccs */
1648 static int get_free_tx_ccs(ray_dev_t *local)
1651 struct ccs __iomem *pccs = ccs_base(local);
1652 struct pcmcia_device *link = local->finder;
1654 if (!(pcmcia_dev_present(link))) {
1655 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1659 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1660 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1664 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1665 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1666 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1667 writeb(CCS_END_LIST, &(pccs + i)->link);
1668 local->tx_ccs_lock = 0;
1672 local->tx_ccs_lock = 0;
1673 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1675 } /* get_free_tx_ccs */
1677 /*===========================================================================*/
1678 /* Get next free CCS */
1679 /* Return - index of current ccs */
1680 static int get_free_ccs(ray_dev_t *local)
1683 struct ccs __iomem *pccs = ccs_base(local);
1684 struct pcmcia_device *link = local->finder;
1686 if (!(pcmcia_dev_present(link))) {
1687 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1690 if (test_and_set_bit(0, &local->ccs_lock)) {
1691 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1695 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1696 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1697 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1698 writeb(CCS_END_LIST, &(pccs + i)->link);
1699 local->ccs_lock = 0;
1703 local->ccs_lock = 0;
1704 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1706 } /* get_free_ccs */
1708 /*===========================================================================*/
1709 static void authenticate_timeout(u_long data)
1711 ray_dev_t *local = (ray_dev_t *) data;
1712 del_timer(&local->timer);
1713 printk(KERN_INFO "ray_cs Authentication with access point failed"
1715 join_net((u_long) local);
1718 /*===========================================================================*/
1719 static int asc_to_int(char a)
1728 return (10 + a - 'A');
1732 return (10 + a - 'a');
1736 /*===========================================================================*/
1737 static int parse_addr(char *in_str, UCHAR *out)
1745 if ((len = strlen(in_str)) < 2)
1747 memset(out, 0, ADDRLEN);
1756 if ((k = asc_to_int(in_str[j--])) != -1)
1763 if ((k = asc_to_int(in_str[j--])) != -1)
1773 /*===========================================================================*/
1774 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1776 ray_dev_t *local = netdev_priv(dev);
1777 struct pcmcia_device *link = local->finder;
1778 struct status __iomem *p = local->sram + STATUS_BASE;
1779 if (!(pcmcia_dev_present(link))) {
1780 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1781 return &local->stats;
1783 if (readb(&p->mrx_overflow_for_host)) {
1784 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1785 writeb(0, &p->mrx_overflow);
1786 writeb(0, &p->mrx_overflow_for_host);
1788 if (readb(&p->mrx_checksum_error_for_host)) {
1789 local->stats.rx_crc_errors +=
1790 swab16(readw(&p->mrx_checksum_error));
1791 writeb(0, &p->mrx_checksum_error);
1792 writeb(0, &p->mrx_checksum_error_for_host);
1794 if (readb(&p->rx_hec_error_for_host)) {
1795 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1796 writeb(0, &p->rx_hec_error);
1797 writeb(0, &p->rx_hec_error_for_host);
1799 return &local->stats;
1802 /*===========================================================================*/
1803 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1806 ray_dev_t *local = netdev_priv(dev);
1807 struct pcmcia_device *link = local->finder;
1810 struct ccs __iomem *pccs;
1812 if (!(pcmcia_dev_present(link))) {
1813 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1817 if ((ccsindex = get_free_ccs(local)) < 0) {
1818 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1821 pccs = ccs_base(local) + ccsindex;
1822 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1823 writeb(objid, &pccs->var.update_param.object_id);
1824 writeb(1, &pccs->var.update_param.number_objects);
1825 writeb(0, &pccs->var.update_param.failure_cause);
1826 for (i = 0; i < len; i++) {
1827 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1829 /* Interrupt the firmware to process the command */
1830 if (interrupt_ecf(local, ccsindex)) {
1831 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1832 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1836 /*===========================================================================*/
1837 static void ray_update_multi_list(struct net_device *dev, int all)
1840 struct ccs __iomem *pccs;
1841 ray_dev_t *local = netdev_priv(dev);
1842 struct pcmcia_device *link = local->finder;
1843 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1845 if (!(pcmcia_dev_present(link))) {
1846 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1849 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1850 if ((ccsindex = get_free_ccs(local)) < 0) {
1851 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1854 pccs = ccs_base(local) + ccsindex;
1855 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1858 writeb(0xff, &pccs->var);
1859 local->num_multi = 0xff;
1861 struct netdev_hw_addr *ha;
1864 /* Copy the kernel's list of MC addresses to card */
1865 netdev_for_each_mc_addr(ha, dev) {
1866 memcpy_toio(p, ha->addr, ETH_ALEN);
1868 "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1869 ha->addr[0], ha->addr[1],
1870 ha->addr[2], ha->addr[3],
1871 ha->addr[4], ha->addr[5]);
1875 if (i > 256 / ADDRLEN)
1877 writeb((UCHAR) i, &pccs->var);
1878 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1879 /* Interrupt the firmware to process the command */
1880 local->num_multi = i;
1882 if (interrupt_ecf(local, ccsindex)) {
1884 "ray_cs update_multi failed - ECF not ready for intr\n");
1885 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1887 } /* end ray_update_multi_list */
1889 /*===========================================================================*/
1890 static void set_multicast_list(struct net_device *dev)
1892 ray_dev_t *local = netdev_priv(dev);
1895 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1897 if (dev->flags & IFF_PROMISC) {
1898 if (local->sparm.b5.a_promiscuous_mode == 0) {
1899 pr_debug("ray_cs set_multicast_list promisc on\n");
1900 local->sparm.b5.a_promiscuous_mode = 1;
1902 ray_update_parm(dev, OBJID_promiscuous_mode,
1903 &promisc, sizeof(promisc));
1906 if (local->sparm.b5.a_promiscuous_mode == 1) {
1907 pr_debug("ray_cs set_multicast_list promisc off\n");
1908 local->sparm.b5.a_promiscuous_mode = 0;
1910 ray_update_parm(dev, OBJID_promiscuous_mode,
1911 &promisc, sizeof(promisc));
1915 if (dev->flags & IFF_ALLMULTI)
1916 ray_update_multi_list(dev, 1);
1918 if (local->num_multi != netdev_mc_count(dev))
1919 ray_update_multi_list(dev, 0);
1921 } /* end set_multicast_list */
1923 /*=============================================================================
1924 * All routines below here are run at interrupt time.
1925 =============================================================================*/
1926 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1928 struct net_device *dev = (struct net_device *)dev_id;
1929 struct pcmcia_device *link;
1931 struct ccs __iomem *pccs;
1932 struct rcs __iomem *prcs;
1938 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1941 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1943 local = netdev_priv(dev);
1944 link = (struct pcmcia_device *)local->finder;
1945 if (!pcmcia_dev_present(link)) {
1947 "ray_cs interrupt from device not present or suspended.\n");
1950 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1952 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1953 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1954 clear_interrupt(local);
1957 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1958 pccs = ccs_base(local) + rcsindex;
1959 cmd = readb(&pccs->cmd);
1960 status = readb(&pccs->buffer_status);
1962 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1963 del_timer(&local->timer);
1964 if (status == CCS_COMMAND_COMPLETE) {
1966 "ray_cs interrupt download_startup_parameters OK\n");
1969 "ray_cs interrupt download_startup_parameters fail\n");
1972 case CCS_UPDATE_PARAMS:
1973 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1974 if (status != CCS_COMMAND_COMPLETE) {
1976 readb(&pccs->var.update_param.
1979 "ray_cs interrupt update params failed - reason %d\n",
1983 case CCS_REPORT_PARAMS:
1984 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1986 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1988 "ray_cs interrupt CCS Update Multicast List done\n");
1990 case CCS_UPDATE_POWER_SAVINGS_MODE:
1992 "ray_cs interrupt update power save mode done\n");
1994 case CCS_START_NETWORK:
1995 case CCS_JOIN_NETWORK:
1996 if (status == CCS_COMMAND_COMPLETE) {
1998 (&pccs->var.start_network.net_initiated) ==
2001 "ray_cs interrupt network \"%s\" started\n",
2002 local->sparm.b4.a_current_ess_id);
2005 "ray_cs interrupt network \"%s\" joined\n",
2006 local->sparm.b4.a_current_ess_id);
2008 memcpy_fromio(&local->bss_id,
2009 pccs->var.start_network.bssid,
2012 if (local->fw_ver == 0x55)
2013 local->net_default_tx_rate = 3;
2015 local->net_default_tx_rate =
2016 readb(&pccs->var.start_network.
2017 net_default_tx_rate);
2019 readb(&pccs->var.start_network.encryption);
2020 if (!sniffer && (local->net_type == INFRA)
2021 && !(local->sparm.b4.a_acting_as_ap_status)) {
2022 authenticate(local);
2024 local->card_status = CARD_ACQ_COMPLETE;
2026 local->card_status = CARD_ACQ_FAILED;
2028 del_timer(&local->timer);
2029 local->timer.expires = jiffies + HZ * 5;
2030 local->timer.data = (long)local;
2031 if (status == CCS_START_NETWORK) {
2033 "ray_cs interrupt network \"%s\" start failed\n",
2034 local->sparm.b4.a_current_ess_id);
2035 local->timer.function = &start_net;
2038 "ray_cs interrupt network \"%s\" join failed\n",
2039 local->sparm.b4.a_current_ess_id);
2040 local->timer.function = &join_net;
2042 add_timer(&local->timer);
2045 case CCS_START_ASSOCIATION:
2046 if (status == CCS_COMMAND_COMPLETE) {
2047 local->card_status = CARD_ASSOC_COMPLETE;
2048 dev_dbg(&link->dev, "ray_cs association successful\n");
2050 dev_dbg(&link->dev, "ray_cs association failed,\n");
2051 local->card_status = CARD_ASSOC_FAILED;
2052 join_net((u_long) local);
2055 case CCS_TX_REQUEST:
2056 if (status == CCS_COMMAND_COMPLETE) {
2058 "ray_cs interrupt tx request complete\n");
2061 "ray_cs interrupt tx request failed\n");
2064 netif_start_queue(dev);
2065 netif_wake_queue(dev);
2067 case CCS_TEST_MEMORY:
2068 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
2072 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2074 case CCS_DUMP_MEMORY:
2075 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2077 case CCS_START_TIMER:
2079 "ray_cs interrupt DING - raylink timer expired\n");
2083 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2086 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2087 } else { /* It's an RCS */
2089 prcs = rcs_base(local) + rcsindex;
2091 switch (readb(&prcs->interrupt_id)) {
2092 case PROCESS_RX_PACKET:
2093 ray_rx(dev, local, prcs);
2095 case REJOIN_NET_COMPLETE:
2096 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2097 local->card_status = CARD_ACQ_COMPLETE;
2098 /* do we need to clear tx buffers CCS's? */
2099 if (local->sparm.b4.a_network_type == ADHOC) {
2101 netif_start_queue(dev);
2103 memcpy_fromio(&local->bss_id,
2104 prcs->var.rejoin_net_complete.
2107 "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2108 local->bss_id[0], local->bss_id[1],
2109 local->bss_id[2], local->bss_id[3],
2110 local->bss_id[4], local->bss_id[5]);
2112 authenticate(local);
2115 case ROAMING_INITIATED:
2116 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2117 netif_stop_queue(dev);
2118 local->card_status = CARD_DOING_ACQ;
2120 case JAPAN_CALL_SIGN_RXD:
2121 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2125 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2127 (unsigned int)readb(&prcs->interrupt_id));
2130 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2132 clear_interrupt(local);
2134 } /* ray_interrupt */
2136 /*===========================================================================*/
2137 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2138 struct rcs __iomem *prcs)
2141 unsigned int pkt_addr;
2143 pr_debug("ray_rx process rx packet\n");
2145 /* Calculate address of packet within Rx buffer */
2146 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2147 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2148 /* Length of first packet fragment */
2149 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2150 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2152 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2153 pmsg = local->rmem + pkt_addr;
2154 switch (readb(pmsg)) {
2156 pr_debug("ray_rx data type\n");
2157 rx_data(dev, prcs, pkt_addr, rx_len);
2159 case AUTHENTIC_TYPE:
2160 pr_debug("ray_rx authentic type\n");
2162 rx_data(dev, prcs, pkt_addr, rx_len);
2164 rx_authenticate(local, prcs, pkt_addr, rx_len);
2166 case DEAUTHENTIC_TYPE:
2167 pr_debug("ray_rx deauth type\n");
2169 rx_data(dev, prcs, pkt_addr, rx_len);
2171 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2174 pr_debug("ray_cs rx NULL msg\n");
2177 pr_debug("ray_rx beacon type\n");
2179 rx_data(dev, prcs, pkt_addr, rx_len);
2181 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2182 rx_len < sizeof(struct beacon_rx) ?
2183 rx_len : sizeof(struct beacon_rx));
2185 local->beacon_rxed = 1;
2186 /* Get the statistics so the card counters never overflow */
2190 pr_debug("ray_cs unknown pkt type %2x\n",
2191 (unsigned int)readb(pmsg));
2197 /*===========================================================================*/
2198 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2199 unsigned int pkt_addr, int rx_len)
2201 struct sk_buff *skb = NULL;
2202 struct rcs __iomem *prcslink = prcs;
2203 ray_dev_t *local = netdev_priv(dev);
2208 int siglev = local->last_rsl;
2209 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2214 /* TBD length needs fixing for translated header */
2215 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2217 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2220 "ray_cs invalid packet length %d received\n",
2224 } else { /* encapsulated ethernet */
2226 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2228 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2231 "ray_cs invalid packet length %d received\n",
2237 pr_debug("ray_cs rx_data packet\n");
2238 /* If fragmented packet, verify sizes of fragments add up */
2239 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2240 pr_debug("ray_cs rx'ed fragment\n");
2241 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2242 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2247 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2249 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2250 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2253 prcslink = rcs_base(local)
2254 + readb(&prcslink->link_field);
2259 "ray_cs rx_data fragment lengths don't add up\n");
2260 local->stats.rx_dropped++;
2261 release_frag_chain(local, prcs);
2264 } else { /* Single unfragmented packet */
2268 skb = dev_alloc_skb(total_len + 5);
2270 pr_debug("ray_cs rx_data could not allocate skb\n");
2271 local->stats.rx_dropped++;
2272 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2273 release_frag_chain(local, prcs);
2276 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2278 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2281 /************************/
2282 /* Reserve enough room for the whole damn packet. */
2283 rx_ptr = skb_put(skb, total_len);
2284 /* Copy the whole packet to sk_buff */
2286 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2287 /* Get source address */
2289 skb_copy_from_linear_data_offset(skb,
2290 offsetof(struct mac_header, addr_2),
2291 linksrcaddr, ETH_ALEN);
2293 /* Now, deal with encapsulation/translation/sniffer */
2296 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2297 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2298 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2300 /* Do translation */
2301 untranslate(local, skb, total_len);
2303 } else { /* sniffer mode, so just pass whole packet */
2306 /************************/
2307 /* Now pick up the rest of the fragments if any */
2309 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2311 pr_debug("ray_cs rx_data in fragment loop\n");
2313 prcslink = rcs_base(local)
2315 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2317 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2320 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2323 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2325 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2329 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2332 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2334 release_frag_chain(local, prcs);
2337 skb->protocol = eth_type_trans(skb, dev);
2339 local->stats.rx_packets++;
2340 local->stats.rx_bytes += total_len;
2342 /* Gather signal strength per address */
2344 /* For the Access Point or the node having started the ad-hoc net
2345 * note : ad-hoc work only in some specific configurations, but we
2346 * kludge in ray_get_wireless_stats... */
2347 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2348 /* Update statistics */
2349 /*local->wstats.qual.qual = none ? */
2350 local->wstats.qual.level = siglev;
2351 /*local->wstats.qual.noise = none ? */
2352 local->wstats.qual.updated = 0x2;
2354 /* Now, update the spy stuff */
2356 struct iw_quality wstats;
2357 wstats.level = siglev;
2358 /* wstats.noise = none ? */
2359 /* wstats.qual = none ? */
2360 wstats.updated = 0x2;
2361 /* Update spy records */
2362 wireless_spy_update(dev, linksrcaddr, &wstats);
2364 #endif /* WIRELESS_SPY */
2367 /*===========================================================================*/
2368 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2370 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2371 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2372 __be16 type = *(__be16 *) psnap->ethertype;
2374 struct ethhdr *peth;
2375 UCHAR srcaddr[ADDRLEN];
2376 UCHAR destaddr[ADDRLEN];
2377 static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2378 static UCHAR org_1042[3] = { 0, 0, 0 };
2380 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2381 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2385 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2386 DUMP_PREFIX_NONE, 16, 1,
2387 skb->data, 64, true);
2389 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2390 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2391 psnap->org[0], psnap->org[1], psnap->org[2]);
2392 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2396 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2397 /* not a snap type so leave it alone */
2398 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2399 psnap->dsap, psnap->ssap, psnap->ctrl);
2401 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2402 peth = (struct ethhdr *)(skb->data + delta);
2403 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2404 } else { /* Its a SNAP */
2405 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2406 /* EtherII and nuke the LLC */
2407 pr_debug("ray_cs untranslate Bridge encap\n");
2408 delta = RX_MAC_HEADER_LENGTH
2409 + sizeof(struct snaphdr_t) - ETH_HLEN;
2410 peth = (struct ethhdr *)(skb->data + delta);
2411 peth->h_proto = type;
2412 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2413 switch (ntohs(type)) {
2416 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2417 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2418 peth = (struct ethhdr *)(skb->data + delta);
2420 htons(len - RX_MAC_HEADER_LENGTH);
2423 pr_debug("ray_cs untranslate RFC default\n");
2424 delta = RX_MAC_HEADER_LENGTH +
2425 sizeof(struct snaphdr_t) - ETH_HLEN;
2426 peth = (struct ethhdr *)(skb->data + delta);
2427 peth->h_proto = type;
2431 printk("ray_cs untranslate very confused by packet\n");
2432 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2433 peth = (struct ethhdr *)(skb->data + delta);
2434 peth->h_proto = type;
2437 /* TBD reserve skb_reserve(skb, delta); */
2438 skb_pull(skb, delta);
2439 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2441 memcpy(peth->h_dest, destaddr, ADDRLEN);
2442 memcpy(peth->h_source, srcaddr, ADDRLEN);
2446 printk(KERN_DEBUG "skb->data after untranslate:");
2447 for (i = 0; i < 64; i++)
2448 printk("%02x ", skb->data[i]);
2452 } /* end untranslate */
2454 /*===========================================================================*/
2455 /* Copy data from circular receive buffer to PC memory.
2456 * dest = destination address in PC memory
2457 * pkt_addr = source address in receive buffer
2458 * len = length of packet to copy
2460 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2463 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2464 if (wrap_bytes <= 0) {
2465 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2466 } else { /* Packet wrapped in circular buffer */
2468 memcpy_fromio(dest, local->rmem + pkt_addr,
2469 length - wrap_bytes);
2470 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2476 /*===========================================================================*/
2477 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2479 struct rcs __iomem *prcslink = prcs;
2481 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2484 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2485 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2486 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2490 prcslink = rcs_base(local) + rcsindex;
2491 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2493 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2496 /*===========================================================================*/
2497 static void authenticate(ray_dev_t *local)
2499 struct pcmcia_device *link = local->finder;
2500 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2501 if (!(pcmcia_dev_present(link))) {
2502 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2506 del_timer(&local->timer);
2507 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2508 local->timer.function = &join_net;
2510 local->timer.function = &authenticate_timeout;
2512 local->timer.expires = jiffies + HZ * 2;
2513 local->timer.data = (long)local;
2514 add_timer(&local->timer);
2515 local->authentication_state = AWAITING_RESPONSE;
2516 } /* end authenticate */
2518 /*===========================================================================*/
2519 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2520 unsigned int pkt_addr, int rx_len)
2523 struct rx_msg *msg = (struct rx_msg *)buff;
2525 del_timer(&local->timer);
2527 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2528 /* if we are trying to get authenticated */
2529 if (local->sparm.b4.a_network_type == ADHOC) {
2530 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2531 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2532 msg->var[4], msg->var[5]);
2533 if (msg->var[2] == 1) {
2534 pr_debug("ray_cs Sending authentication response.\n");
2535 if (!build_auth_frame
2536 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2537 local->authentication_state = NEED_TO_AUTH;
2538 memcpy(local->auth_id, msg->mac.addr_2,
2542 } else { /* Infrastructure network */
2544 if (local->authentication_state == AWAITING_RESPONSE) {
2545 /* Verify authentication sequence #2 and success */
2546 if (msg->var[2] == 2) {
2547 if ((msg->var[3] | msg->var[4]) == 0) {
2548 pr_debug("Authentication successful\n");
2549 local->card_status = CARD_AUTH_COMPLETE;
2551 local->authentication_state =
2554 pr_debug("Authentication refused\n");
2555 local->card_status = CARD_AUTH_REFUSED;
2556 join_net((u_long) local);
2557 local->authentication_state =
2564 } /* end rx_authenticate */
2566 /*===========================================================================*/
2567 static void associate(ray_dev_t *local)
2569 struct ccs __iomem *pccs;
2570 struct pcmcia_device *link = local->finder;
2571 struct net_device *dev = link->priv;
2573 if (!(pcmcia_dev_present(link))) {
2574 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2577 /* If no tx buffers available, return */
2578 if ((ccsindex = get_free_ccs(local)) < 0) {
2579 /* TBD should never be here but... what if we are? */
2580 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2583 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2584 pccs = ccs_base(local) + ccsindex;
2585 /* fill in the CCS */
2586 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2587 /* Interrupt the firmware to process the command */
2588 if (interrupt_ecf(local, ccsindex)) {
2589 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2590 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2592 del_timer(&local->timer);
2593 local->timer.expires = jiffies + HZ * 2;
2594 local->timer.data = (long)local;
2595 local->timer.function = &join_net;
2596 add_timer(&local->timer);
2597 local->card_status = CARD_ASSOC_FAILED;
2601 netif_start_queue(dev);
2603 } /* end associate */
2605 /*===========================================================================*/
2606 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2607 unsigned int pkt_addr, int rx_len)
2610 struct rx_msg *msg = (struct rx_msg *)buff;
2612 pr_debug("Deauthentication frame received\n");
2613 local->authentication_state = UNAUTHENTICATED;
2614 /* Need to reauthenticate or rejoin depending on reason code */
2615 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2619 /*===========================================================================*/
2620 static void clear_interrupt(ray_dev_t *local)
2622 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2625 /*===========================================================================*/
2626 #ifdef CONFIG_PROC_FS
2627 #define MAXDATA (PAGE_SIZE - 80)
2629 static char *card_status[] = {
2630 "Card inserted - uninitialized", /* 0 */
2631 "Card not downloaded", /* 1 */
2632 "Waiting for download parameters", /* 2 */
2633 "Card doing acquisition", /* 3 */
2634 "Acquisition complete", /* 4 */
2635 "Authentication complete", /* 5 */
2636 "Association complete", /* 6 */
2637 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2638 "Card init error", /* 11 */
2639 "Download parameters error", /* 12 */
2641 "Acquisition failed", /* 14 */
2642 "Authentication refused", /* 15 */
2643 "Association failed" /* 16 */
2646 static char *nettype[] = { "Adhoc", "Infra " };
2647 static char *framing[] = { "Encapsulation", "Translation" }
2650 /*===========================================================================*/
2651 static int ray_cs_proc_show(struct seq_file *m, void *v)
2653 /* Print current values which are not available via other means
2657 struct pcmcia_device *link;
2658 struct net_device *dev;
2661 struct freq_hop_element *pfh;
2667 dev = (struct net_device *)link->priv;
2670 local = netdev_priv(dev);
2674 seq_puts(m, "Raylink Wireless LAN driver status\n");
2675 seq_printf(m, "%s\n", rcsid);
2676 /* build 4 does not report version, and field is 0x55 after memtest */
2677 seq_puts(m, "Firmware version = ");
2678 if (local->fw_ver == 0x55)
2679 seq_puts(m, "4 - Use dump_cis for more details\n");
2681 seq_printf(m, "%2d.%02d.%02d\n",
2682 local->fw_ver, local->fw_bld, local->fw_var);
2684 for (i = 0; i < 32; i++)
2685 c[i] = local->sparm.b5.a_current_ess_id[i];
2687 seq_printf(m, "%s network ESSID = \"%s\"\n",
2688 nettype[local->sparm.b5.a_network_type], c);
2691 seq_printf(m, "BSSID = %pM\n", p);
2693 seq_printf(m, "Country code = %d\n",
2694 local->sparm.b5.a_curr_country_code);
2696 i = local->card_status;
2701 seq_printf(m, "Card status = %s\n", card_status[i]);
2703 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2705 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2707 if (local->beacon_rxed) {
2708 /* Pull some fields out of last beacon received */
2709 seq_printf(m, "Beacon Interval = %d Kus\n",
2710 local->last_bcn.beacon_intvl[0]
2711 + 256 * local->last_bcn.beacon_intvl[1]);
2713 p = local->last_bcn.elements;
2714 if (p[0] == C_ESSID_ELEMENT_ID)
2718 "Parse beacon failed at essid element id = %d\n",
2723 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2724 seq_puts(m, "Supported rate codes = ");
2725 for (i = 2; i < p[1] + 2; i++)
2726 seq_printf(m, "0x%02x ", p[i]);
2730 seq_puts(m, "Parse beacon failed at rates element\n");
2734 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2735 pfh = (struct freq_hop_element *)p;
2736 seq_printf(m, "Hop dwell = %d Kus\n",
2737 pfh->dwell_time[0] +
2738 256 * pfh->dwell_time[1]);
2739 seq_printf(m, "Hop set = %d\n",
2741 seq_printf(m, "Hop pattern = %d\n",
2743 seq_printf(m, "Hop index = %d\n",
2748 "Parse beacon failed at FH param element\n");
2752 seq_puts(m, "No beacons received\n");
2757 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2759 return single_open(file, ray_cs_proc_show, NULL);
2762 static const struct file_operations ray_cs_proc_fops = {
2763 .owner = THIS_MODULE,
2764 .open = ray_cs_proc_open,
2766 .llseek = seq_lseek,
2767 .release = single_release,
2770 /*===========================================================================*/
2771 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2774 struct ccs __iomem *pccs;
2775 struct tx_msg __iomem *ptx;
2778 /* If no tx buffers available, return */
2779 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2780 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2784 pccs = ccs_base(local) + ccsindex;
2786 /* Address in card space */
2787 addr = TX_BUF_BASE + (ccsindex << 11);
2788 /* fill in the CCS */
2789 writeb(CCS_TX_REQUEST, &pccs->cmd);
2790 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2791 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2792 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2793 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2794 pccs->var.tx_request.tx_data_length + 1);
2795 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2797 ptx = local->sram + addr;
2798 /* fill in the mac header */
2799 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2800 writeb(0, &ptx->mac.frame_ctl_2);
2802 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2803 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2804 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2806 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2807 memset_io(ptx->var, 0, 6);
2808 writeb(auth_type & 0xff, ptx->var + 2);
2810 /* Interrupt the firmware to process the command */
2811 if (interrupt_ecf(local, ccsindex)) {
2813 "ray_cs send authentication request failed - ECF not ready for intr\n");
2814 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2818 } /* End build_auth_frame */
2820 /*===========================================================================*/
2821 #ifdef CONFIG_PROC_FS
2822 static ssize_t ray_cs_essid_proc_write(struct file *file,
2823 const char __user *buffer, size_t count, loff_t *pos)
2825 static char proc_essid[33];
2826 unsigned int len = count;
2830 memset(proc_essid, 0, 33);
2831 if (copy_from_user(proc_essid, buffer, len))
2837 static const struct file_operations ray_cs_essid_proc_fops = {
2838 .owner = THIS_MODULE,
2839 .write = ray_cs_essid_proc_write,
2842 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2843 size_t count, loff_t *pos)
2845 static char proc_number[10];
2854 if (copy_from_user(proc_number, buffer, count))
2860 unsigned int c = *p - '0';
2866 *(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
2870 static const struct file_operations int_proc_fops = {
2871 .owner = THIS_MODULE,
2872 .write = int_proc_write,
2876 static struct pcmcia_device_id ray_ids[] = {
2877 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2881 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2883 static struct pcmcia_driver ray_driver = {
2884 .owner = THIS_MODULE,
2889 .remove = ray_detach,
2890 .id_table = ray_ids,
2891 .suspend = ray_suspend,
2892 .resume = ray_resume,
2895 static int __init init_ray_cs(void)
2899 pr_debug("%s\n", rcsid);
2900 rc = pcmcia_register_driver(&ray_driver);
2901 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2904 #ifdef CONFIG_PROC_FS
2905 proc_mkdir("driver/ray_cs", NULL);
2907 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2908 proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2909 proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2910 proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2917 /*===========================================================================*/
2919 static void __exit exit_ray_cs(void)
2921 pr_debug("ray_cs: cleanup_module\n");
2923 #ifdef CONFIG_PROC_FS
2924 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2925 remove_proc_entry("driver/ray_cs/essid", NULL);
2926 remove_proc_entry("driver/ray_cs/net_type", NULL);
2927 remove_proc_entry("driver/ray_cs/translate", NULL);
2928 remove_proc_entry("driver/ray_cs", NULL);
2931 pcmcia_unregister_driver(&ray_driver);
2934 module_init(init_ray_cs);
2935 module_exit(exit_ray_cs);
2937 /*===========================================================================*/