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
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
25 * - reorganize kmallocs in ray_attach, checking all for failure
26 * and releasing the previous allocations if one fails
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_types.h>
50 #include <pcmcia/cs.h>
51 #include <pcmcia/cistpl.h>
52 #include <pcmcia/cisreg.h>
53 #include <pcmcia/ds.h>
55 #include <linux/wireless.h>
56 #include <net/iw_handler.h>
59 #include <asm/system.h>
60 #include <asm/byteorder.h>
61 #include <asm/uaccess.h>
63 /* Warning : these stuff will slow down the driver... */
64 #define WIRELESS_SPY /* Enable spying addresses */
65 /* Definitions we need for spy */
66 typedef struct iw_statistics iw_stats;
67 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
73 /** Prototypes based on PCMCIA skeleton driver *******************************/
74 static int ray_config(struct pcmcia_device *link);
75 static void ray_release(struct pcmcia_device *link);
76 static void ray_detach(struct pcmcia_device *p_dev);
78 /***** Prototypes indicated by device structure ******************************/
79 static int ray_dev_close(struct net_device *dev);
80 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
81 static struct net_device_stats *ray_get_stats(struct net_device *dev);
82 static int ray_dev_init(struct net_device *dev);
84 static const struct ethtool_ops netdev_ethtool_ops;
86 static int ray_open(struct net_device *dev);
87 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
88 struct net_device *dev);
89 static void set_multicast_list(struct net_device *dev);
90 static void ray_update_multi_list(struct net_device *dev, int all);
91 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
92 unsigned char *data, int len);
93 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
94 UCHAR msg_type, unsigned char *data);
95 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
96 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
97 static const struct iw_handler_def ray_handler_def;
99 /***** Prototypes for raylink functions **************************************/
100 static int asc_to_int(char a);
101 static void authenticate(ray_dev_t *local);
102 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
103 static void authenticate_timeout(u_long);
104 static int get_free_ccs(ray_dev_t *local);
105 static int get_free_tx_ccs(ray_dev_t *local);
106 static void init_startup_params(ray_dev_t *local);
107 static int parse_addr(char *in_str, UCHAR *out);
108 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
109 static int ray_init(struct net_device *dev);
110 static int interrupt_ecf(ray_dev_t *local, int ccs);
111 static void ray_reset(struct net_device *dev);
112 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
113 static void verify_dl_startup(u_long);
115 /* Prototypes for interrpt time functions **********************************/
116 static irqreturn_t ray_interrupt(int reg, void *dev_id);
117 static void clear_interrupt(ray_dev_t *local);
118 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
119 unsigned int pkt_addr, int rx_len);
120 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
121 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
122 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
123 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
124 unsigned int pkt_addr, int rx_len);
125 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
126 unsigned int pkt_addr, int rx_len);
127 static void associate(ray_dev_t *local);
129 /* Card command functions */
130 static int dl_startup_params(struct net_device *dev);
131 static void join_net(u_long local);
132 static void start_net(u_long local);
133 /* void start_net(ray_dev_t *local); */
135 /*===========================================================================*/
136 /* Parameters that can be set with 'insmod' */
138 /* ADHOC=0, Infrastructure=1 */
139 static int net_type = ADHOC;
141 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
142 static int hop_dwell = 128;
144 /* Beacon period in Kus */
145 static int beacon_period = 256;
147 /* power save mode (0 = off, 1 = save power) */
150 /* String for network's Extended Service Set ID. 32 Characters max */
153 /* Default to encapsulation unless translation requested */
154 static int translate = 1;
156 static int country = USA;
162 /* 48 bit physical card address if overriding card's real physical
163 * address is required. Since IEEE 802.11 addresses are 48 bits
164 * like ethernet, an int can't be used, so a string is used. To
165 * allow use of addresses starting with a decimal digit, the first
166 * character must be a letter and will be ignored. This letter is
167 * followed by up to 12 hex digits which are the address. If less
168 * than 12 digits are used, the address will be left filled with 0's.
169 * Note that bit 0 of the first byte is the broadcast bit, and evil
170 * things will happen if it is not 0 in a card address.
172 static char *phy_addr = NULL;
175 /* A struct pcmcia_device structure has fields for most things that are needed
176 to keep track of a socket, but there will usually be some device
177 specific information that also needs to be kept track of. The
178 'priv' pointer in a struct pcmcia_device structure can be used to point to
179 a device-specific private data structure, like this.
181 static unsigned int ray_mem_speed = 500;
183 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
184 static struct pcmcia_device *this_device = NULL;
187 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
188 MODULE_LICENSE("GPL");
190 module_param(net_type, int, 0);
191 module_param(hop_dwell, int, 0);
192 module_param(beacon_period, int, 0);
193 module_param(psm, int, 0);
194 module_param(essid, charp, 0);
195 module_param(translate, int, 0);
196 module_param(country, int, 0);
197 module_param(sniffer, int, 0);
198 module_param(bc, int, 0);
199 module_param(phy_addr, charp, 0);
200 module_param(ray_mem_speed, int, 0);
202 static UCHAR b5_default_startup_parms[] = {
203 0, 0, /* Adhoc station */
204 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
205 0, 0, 0, 0, 0, 0, 0, 0,
206 0, 0, 0, 0, 0, 0, 0, 0,
207 0, 0, 0, 0, 0, 0, 0, 0,
208 1, 0, /* Active scan, CA Mode */
209 0, 0, 0, 0, 0, 0, /* No default MAC addr */
210 0x7f, 0xff, /* Frag threshold */
211 0x00, 0x80, /* Hop time 128 Kus */
212 0x01, 0x00, /* Beacon period 256 Kus */
213 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
214 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
215 0x7f, 0xff, /* RTS threshold */
216 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
217 0x05, /* assoc resp timeout thresh */
218 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
219 0, /* Promiscuous mode */
220 0x0c, 0x0bd, /* Unique word */
221 0x32, /* Slot time */
222 0xff, 0xff, /* roam-low snr, low snr count */
223 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
224 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
225 /* b4 - b5 differences start here */
226 0x00, 0x3f, /* CW max */
227 0x00, 0x0f, /* CW min */
228 0x04, 0x08, /* Noise gain, limit offset */
229 0x28, 0x28, /* det rssi, med busy offsets */
230 7, /* det sync thresh */
231 0, 2, 2, /* test mode, min, max */
232 0, /* allow broadcast SSID probe resp */
233 0, 0, /* privacy must start, can join */
234 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
237 static UCHAR b4_default_startup_parms[] = {
238 0, 0, /* Adhoc station */
239 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
240 0, 0, 0, 0, 0, 0, 0, 0,
241 0, 0, 0, 0, 0, 0, 0, 0,
242 0, 0, 0, 0, 0, 0, 0, 0,
243 1, 0, /* Active scan, CA Mode */
244 0, 0, 0, 0, 0, 0, /* No default MAC addr */
245 0x7f, 0xff, /* Frag threshold */
246 0x02, 0x00, /* Hop time */
247 0x00, 0x01, /* Beacon period */
248 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
249 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
250 0x7f, 0xff, /* RTS threshold */
251 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
252 0x05, /* assoc resp timeout thresh */
253 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
254 0, /* Promiscuous mode */
255 0x0c, 0x0bd, /* Unique word */
256 0x4e, /* Slot time (TBD seems wrong) */
257 0xff, 0xff, /* roam-low snr, low snr count */
258 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
259 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
260 /* b4 - b5 differences start here */
261 0x3f, 0x0f, /* CW max, min */
262 0x04, 0x08, /* Noise gain, limit offset */
263 0x28, 0x28, /* det rssi, med busy offsets */
264 7, /* det sync thresh */
265 0, 2, 2 /* test mode, min, max */
268 /*===========================================================================*/
269 static unsigned char eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
271 static char hop_pattern_length[] = { 1,
272 USA_HOP_MOD, EUROPE_HOP_MOD,
273 JAPAN_HOP_MOD, KOREA_HOP_MOD,
274 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
275 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
279 static char rcsid[] =
282 static const struct net_device_ops ray_netdev_ops = {
283 .ndo_init = ray_dev_init,
284 .ndo_open = ray_open,
285 .ndo_stop = ray_dev_close,
286 .ndo_start_xmit = ray_dev_start_xmit,
287 .ndo_set_config = ray_dev_config,
288 .ndo_get_stats = ray_get_stats,
289 .ndo_set_multicast_list = set_multicast_list,
290 .ndo_change_mtu = eth_change_mtu,
291 .ndo_set_mac_address = eth_mac_addr,
292 .ndo_validate_addr = eth_validate_addr,
295 /*=============================================================================
296 ray_attach() creates an "instance" of the driver, allocating
297 local data structures for one device. The device is registered
299 The dev_link structure is initialized, but we don't actually
300 configure the card at this point -- we wait until we receive a
301 card insertion event.
302 =============================================================================*/
303 static int ray_probe(struct pcmcia_device *p_dev)
306 struct net_device *dev;
308 dev_dbg(&p_dev->dev, "ray_attach()\n");
310 /* Allocate space for private device-specific data */
311 dev = alloc_etherdev(sizeof(ray_dev_t));
315 local = netdev_priv(dev);
316 local->finder = p_dev;
318 /* The io structure describes IO port mapping. None used here */
319 p_dev->io.NumPorts1 = 0;
320 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
321 p_dev->io.IOAddrLines = 5;
323 /* General socket configuration */
324 p_dev->conf.Attributes = CONF_ENABLE_IRQ;
325 p_dev->conf.IntType = INT_MEMORY_AND_IO;
326 p_dev->conf.ConfigIndex = 1;
330 local->finder = p_dev;
331 local->card_status = CARD_INSERTED;
332 local->authentication_state = UNAUTHENTICATED;
333 local->num_multi = 0;
334 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
335 p_dev, dev, local, &ray_interrupt);
337 /* Raylink entries in the device structure */
338 dev->netdev_ops = &ray_netdev_ops;
339 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
340 dev->wireless_handlers = &ray_handler_def;
342 local->wireless_data.spy_data = &local->spy_data;
343 dev->wireless_data = &local->wireless_data;
344 #endif /* WIRELESS_SPY */
347 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
348 netif_stop_queue(dev);
350 init_timer(&local->timer);
353 return ray_config(p_dev);
359 /*=============================================================================
360 This deletes a driver "instance". The device is de-registered
361 with Card Services. If it has been released, all local data
362 structures are freed. Otherwise, the structures will be freed
363 when the device is released.
364 =============================================================================*/
365 static void ray_detach(struct pcmcia_device *link)
367 struct net_device *dev;
370 dev_dbg(&link->dev, "ray_detach\n");
377 local = netdev_priv(dev);
378 del_timer(&local->timer);
381 unregister_netdev(dev);
384 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
387 /*=============================================================================
388 ray_config() is run after a CARD_INSERTION event
389 is received, to configure the PCMCIA socket, and to make the
390 ethernet device available to the system.
391 =============================================================================*/
392 #define MAX_TUPLE_SIZE 128
393 static int ray_config(struct pcmcia_device *link)
399 struct net_device *dev = (struct net_device *)link->priv;
400 ray_dev_t *local = netdev_priv(dev);
402 dev_dbg(&link->dev, "ray_config\n");
404 /* Determine card type and firmware version */
405 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
406 link->prod_id[0] ? link->prod_id[0] : " ",
407 link->prod_id[1] ? link->prod_id[1] : " ",
408 link->prod_id[2] ? link->prod_id[2] : " ",
409 link->prod_id[3] ? link->prod_id[3] : " ");
411 /* Now allocate an interrupt line. Note that this does not
412 actually assign a handler to the interrupt.
414 ret = pcmcia_request_irq(link, ray_interrupt);
417 dev->irq = link->irq;
419 /* This actually configures the PCMCIA socket -- setting up
420 the I/O windows and the interrupt mapping.
422 ret = pcmcia_request_configuration(link, &link->conf);
426 /*** Set up 32k window for shared memory (transmit and control) ************/
428 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
431 req.AccessSpeed = ray_mem_speed;
432 ret = pcmcia_request_window(link, &req, &link->win);
435 mem.CardOffset = 0x0000;
437 ret = pcmcia_map_mem_page(link, link->win, &mem);
440 local->sram = ioremap(req.Base, req.Size);
442 /*** Set up 16k window for shared memory (receive buffer) ***************/
444 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
447 req.AccessSpeed = ray_mem_speed;
448 ret = pcmcia_request_window(link, &req, &local->rmem_handle);
451 mem.CardOffset = 0x8000;
453 ret = pcmcia_map_mem_page(link, local->rmem_handle, &mem);
456 local->rmem = ioremap(req.Base, req.Size);
458 /*** Set up window for attribute memory ***********************************/
460 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
463 req.AccessSpeed = ray_mem_speed;
464 ret = pcmcia_request_window(link, &req, &local->amem_handle);
467 mem.CardOffset = 0x0000;
469 ret = pcmcia_map_mem_page(link, local->amem_handle, &mem);
472 local->amem = ioremap(req.Base, req.Size);
474 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
475 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
476 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
477 if (ray_init(dev) < 0) {
482 SET_NETDEV_DEV(dev, &link->dev);
483 i = register_netdev(dev);
485 printk("ray_config register_netdev() failed\n");
490 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
491 dev->name, dev->irq, dev->dev_addr);
500 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
502 return dev->sram + CCS_BASE;
505 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
508 * This looks nonsensical, since there is a separate
509 * RCS_BASE. But the difference between a "struct rcs"
510 * and a "struct ccs" ends up being in the _index_ off
511 * the base, so the base pointer is the same for both
514 return dev->sram + CCS_BASE;
517 /*===========================================================================*/
518 static int ray_init(struct net_device *dev)
522 struct ccs __iomem *pccs;
523 ray_dev_t *local = netdev_priv(dev);
524 struct pcmcia_device *link = local->finder;
525 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
526 if (!(pcmcia_dev_present(link))) {
527 dev_dbg(&link->dev, "ray_init - device not present\n");
531 local->net_type = net_type;
532 local->sta_type = TYPE_STA;
534 /* Copy the startup results to local memory */
535 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
536 sizeof(struct startup_res_6));
538 /* Check Power up test status and get mac address from card */
539 if (local->startup_res.startup_word != 0x80) {
540 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
541 local->startup_res.startup_word);
542 local->card_status = CARD_INIT_ERROR;
546 local->fw_ver = local->startup_res.firmware_version[0];
547 local->fw_bld = local->startup_res.firmware_version[1];
548 local->fw_var = local->startup_res.firmware_version[2];
549 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
552 local->tib_length = 0x20;
553 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
554 local->tib_length = local->startup_res.tib_length;
555 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
556 /* Initialize CCS's to buffer free state */
557 pccs = ccs_base(local);
558 for (i = 0; i < NUMBER_OF_CCS; i++) {
559 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
561 init_startup_params(local);
563 /* copy mac address to startup parameters */
564 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
565 p = local->sparm.b4.a_mac_addr;
567 memcpy(&local->sparm.b4.a_mac_addr,
568 &local->startup_res.station_addr, ADDRLEN);
569 p = local->sparm.b4.a_mac_addr;
572 clear_interrupt(local); /* Clear any interrupt from the card */
573 local->card_status = CARD_AWAITING_PARAM;
574 dev_dbg(&link->dev, "ray_init ending\n");
578 /*===========================================================================*/
579 /* Download startup parameters to the card and command it to read them */
580 static int dl_startup_params(struct net_device *dev)
583 ray_dev_t *local = netdev_priv(dev);
584 struct ccs __iomem *pccs;
585 struct pcmcia_device *link = local->finder;
587 dev_dbg(&link->dev, "dl_startup_params entered\n");
588 if (!(pcmcia_dev_present(link))) {
589 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
593 /* Copy parameters to host to ECF area */
594 if (local->fw_ver == 0x55)
595 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
596 sizeof(struct b4_startup_params));
598 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
599 sizeof(struct b5_startup_params));
601 /* Fill in the CCS fields for the ECF */
602 if ((ccsindex = get_free_ccs(local)) < 0)
604 local->dl_param_ccs = ccsindex;
605 pccs = ccs_base(local) + ccsindex;
606 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
607 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
608 local->dl_param_ccs);
609 /* Interrupt the firmware to process the command */
610 if (interrupt_ecf(local, ccsindex)) {
611 printk(KERN_INFO "ray dl_startup_params failed - "
612 "ECF not ready for intr\n");
613 local->card_status = CARD_DL_PARAM_ERROR;
614 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
617 local->card_status = CARD_DL_PARAM;
618 /* Start kernel timer to wait for dl startup to complete. */
619 local->timer.expires = jiffies + HZ / 2;
620 local->timer.data = (long)local;
621 local->timer.function = &verify_dl_startup;
622 add_timer(&local->timer);
624 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
626 } /* dl_startup_params */
628 /*===========================================================================*/
629 static void init_startup_params(ray_dev_t *local)
633 if (country > JAPAN_TEST)
635 else if (country < USA)
637 /* structure for hop time and beacon period is defined here using
638 * New 802.11D6.1 format. Card firmware is still using old format
641 * a_hop_time ms byte a_hop_time ms byte
642 * a_hop_time 2s byte a_hop_time ls byte
643 * a_hop_time ls byte a_beacon_period ms byte
644 * a_beacon_period a_beacon_period ls byte
646 * a_hop_time = uS a_hop_time = KuS
647 * a_beacon_period = hops a_beacon_period = KuS
648 *//* 64ms = 010000 */
649 if (local->fw_ver == 0x55) {
650 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
651 sizeof(struct b4_startup_params));
652 /* Translate sane kus input values to old build 4/5 format */
653 /* i = hop time in uS truncated to 3 bytes */
654 i = (hop_dwell * 1024) & 0xffffff;
655 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
656 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
657 local->sparm.b4.a_beacon_period[0] = 0;
658 local->sparm.b4.a_beacon_period[1] =
659 ((beacon_period / hop_dwell) - 1) & 0xff;
660 local->sparm.b4.a_curr_country_code = country;
661 local->sparm.b4.a_hop_pattern_length =
662 hop_pattern_length[(int)country] - 1;
664 local->sparm.b4.a_ack_timeout = 0x50;
665 local->sparm.b4.a_sifs = 0x3f;
667 } else { /* Version 5 uses real kus values */
668 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
669 sizeof(struct b5_startup_params));
671 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
672 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
673 local->sparm.b5.a_beacon_period[0] =
674 (beacon_period >> 8) & 0xff;
675 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
677 local->sparm.b5.a_power_mgt_state = 1;
678 local->sparm.b5.a_curr_country_code = country;
679 local->sparm.b5.a_hop_pattern_length =
680 hop_pattern_length[(int)country];
683 local->sparm.b4.a_network_type = net_type & 0x01;
684 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
687 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
688 } /* init_startup_params */
690 /*===========================================================================*/
691 static void verify_dl_startup(u_long data)
693 ray_dev_t *local = (ray_dev_t *) data;
694 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
696 struct pcmcia_device *link = local->finder;
698 if (!(pcmcia_dev_present(link))) {
699 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
706 "verify_dl_startup parameters sent via ccs %d:\n",
707 local->dl_param_ccs);
708 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
710 (unsigned int)readb(local->sram +
711 HOST_TO_ECF_BASE + i));
717 status = readb(&pccs->buffer_status);
718 if (status != CCS_BUFFER_FREE) {
720 "Download startup params failed. Status = %d\n",
722 local->card_status = CARD_DL_PARAM_ERROR;
725 if (local->sparm.b4.a_network_type == ADHOC)
726 start_net((u_long) local);
728 join_net((u_long) local);
729 } /* end verify_dl_startup */
731 /*===========================================================================*/
732 /* Command card to start a network */
733 static void start_net(u_long data)
735 ray_dev_t *local = (ray_dev_t *) data;
736 struct ccs __iomem *pccs;
738 struct pcmcia_device *link = local->finder;
739 if (!(pcmcia_dev_present(link))) {
740 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
743 /* Fill in the CCS fields for the ECF */
744 if ((ccsindex = get_free_ccs(local)) < 0)
746 pccs = ccs_base(local) + ccsindex;
747 writeb(CCS_START_NETWORK, &pccs->cmd);
748 writeb(0, &pccs->var.start_network.update_param);
749 /* Interrupt the firmware to process the command */
750 if (interrupt_ecf(local, ccsindex)) {
751 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
752 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
755 local->card_status = CARD_DOING_ACQ;
756 } /* end start_net */
758 /*===========================================================================*/
759 /* Command card to join a network */
760 static void join_net(u_long data)
762 ray_dev_t *local = (ray_dev_t *) data;
764 struct ccs __iomem *pccs;
766 struct pcmcia_device *link = local->finder;
768 if (!(pcmcia_dev_present(link))) {
769 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
772 /* Fill in the CCS fields for the ECF */
773 if ((ccsindex = get_free_ccs(local)) < 0)
775 pccs = ccs_base(local) + ccsindex;
776 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
777 writeb(0, &pccs->var.join_network.update_param);
778 writeb(0, &pccs->var.join_network.net_initiated);
779 /* Interrupt the firmware to process the command */
780 if (interrupt_ecf(local, ccsindex)) {
781 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
782 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
785 local->card_status = CARD_DOING_ACQ;
788 /*============================================================================
789 After a card is removed, ray_release() will unregister the net
790 device, and release the PCMCIA configuration. If the device is
791 still open, this will be postponed until it is closed.
792 =============================================================================*/
793 static void ray_release(struct pcmcia_device *link)
795 struct net_device *dev = link->priv;
796 ray_dev_t *local = netdev_priv(dev);
799 dev_dbg(&link->dev, "ray_release\n");
801 del_timer(&local->timer);
803 iounmap(local->sram);
804 iounmap(local->rmem);
805 iounmap(local->amem);
806 /* Do bother checking to see if these succeed or not */
807 i = pcmcia_release_window(link, local->amem_handle);
809 dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i);
810 i = pcmcia_release_window(link, local->rmem_handle);
812 dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i);
813 pcmcia_disable_device(link);
815 dev_dbg(&link->dev, "ray_release ending\n");
818 static int ray_suspend(struct pcmcia_device *link)
820 struct net_device *dev = link->priv;
823 netif_device_detach(dev);
828 static int ray_resume(struct pcmcia_device *link)
830 struct net_device *dev = link->priv;
834 netif_device_attach(dev);
840 /*===========================================================================*/
841 static int ray_dev_init(struct net_device *dev)
843 #ifdef RAY_IMMEDIATE_INIT
845 #endif /* RAY_IMMEDIATE_INIT */
846 ray_dev_t *local = netdev_priv(dev);
847 struct pcmcia_device *link = local->finder;
849 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
850 if (!(pcmcia_dev_present(link))) {
851 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
854 #ifdef RAY_IMMEDIATE_INIT
855 /* Download startup parameters */
856 if ((i = dl_startup_params(dev)) < 0) {
857 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
858 "returns 0x%x\n", i);
861 #else /* RAY_IMMEDIATE_INIT */
862 /* Postpone the card init so that we can still configure the card,
863 * for example using the Wireless Extensions. The init will happen
864 * in ray_open() - Jean II */
866 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
868 #endif /* RAY_IMMEDIATE_INIT */
870 /* copy mac and broadcast addresses to linux device */
871 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
872 memset(dev->broadcast, 0xff, ETH_ALEN);
874 dev_dbg(&link->dev, "ray_dev_init ending\n");
878 /*===========================================================================*/
879 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
881 ray_dev_t *local = netdev_priv(dev);
882 struct pcmcia_device *link = local->finder;
883 /* Dummy routine to satisfy device structure */
884 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
885 if (!(pcmcia_dev_present(link))) {
886 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
893 /*===========================================================================*/
894 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
895 struct net_device *dev)
897 ray_dev_t *local = netdev_priv(dev);
898 struct pcmcia_device *link = local->finder;
899 short length = skb->len;
901 if (!pcmcia_dev_present(link)) {
902 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
907 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
908 if (local->authentication_state == NEED_TO_AUTH) {
909 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
910 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
911 local->authentication_state = AUTHENTICATED;
912 netif_stop_queue(dev);
913 return NETDEV_TX_BUSY;
917 if (length < ETH_ZLEN) {
918 if (skb_padto(skb, ETH_ZLEN))
922 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
925 netif_stop_queue(dev);
926 return NETDEV_TX_BUSY;
935 } /* ray_dev_start_xmit */
937 /*===========================================================================*/
938 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
941 ray_dev_t *local = netdev_priv(dev);
942 struct ccs __iomem *pccs;
945 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
946 short int addr; /* Address of xmit buffer in card space */
948 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
949 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
950 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
954 switch (ccsindex = get_free_tx_ccs(local)) {
956 pr_debug("ray_hw_xmit tx_ccs table busy\n");
958 pr_debug("ray_hw_xmit No free tx ccs\n");
960 netif_stop_queue(dev);
965 addr = TX_BUF_BASE + (ccsindex << 11);
967 if (msg_type == DATA_TYPE) {
968 local->stats.tx_bytes += len;
969 local->stats.tx_packets++;
972 ptx = local->sram + addr;
974 ray_build_header(local, ptx, msg_type, data);
976 offset = translate_frame(local, ptx, data, len);
977 } else { /* Encapsulate frame */
978 /* TBD TIB length will move address of ptx->var */
979 memcpy_toio(&ptx->var, data, len);
983 /* fill in the CCS */
984 pccs = ccs_base(local) + ccsindex;
985 len += TX_HEADER_LENGTH + offset;
986 writeb(CCS_TX_REQUEST, &pccs->cmd);
987 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
988 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
989 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
990 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
991 /* TBD still need psm_cam? */
992 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
993 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
994 writeb(0, &pccs->var.tx_request.antenna);
995 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
996 local->net_default_tx_rate);
998 /* Interrupt the firmware to process the command */
999 if (interrupt_ecf(local, ccsindex)) {
1000 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
1001 /* TBD very inefficient to copy packet to buffer, and then not
1002 send it, but the alternative is to queue the messages and that
1003 won't be done for a while. Maybe set tbusy until a CCS is free?
1005 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1006 return XMIT_NO_INTR;
1009 } /* end ray_hw_xmit */
1011 /*===========================================================================*/
1012 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
1013 unsigned char *data, int len)
1015 __be16 proto = ((struct ethhdr *)data)->h_proto;
1016 if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
1017 pr_debug("ray_cs translate_frame DIX II\n");
1018 /* Copy LLC header to card buffer */
1019 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
1020 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
1021 (UCHAR *) &proto, 2);
1022 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
1023 /* This is the selective translation table, only 2 entries */
1025 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
1027 /* Copy body of ethernet packet without ethernet header */
1028 memcpy_toio((void __iomem *)&ptx->var +
1029 sizeof(struct snaphdr_t), data + ETH_HLEN,
1031 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
1032 } else { /* already 802 type, and proto is length */
1033 pr_debug("ray_cs translate_frame 802\n");
1034 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1035 pr_debug("ray_cs translate_frame evil IPX\n");
1036 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1037 return 0 - ETH_HLEN;
1039 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
1040 return 0 - ETH_HLEN;
1042 /* TBD do other frame types */
1043 } /* end translate_frame */
1045 /*===========================================================================*/
1046 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
1047 UCHAR msg_type, unsigned char *data)
1049 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
1050 /*** IEEE 802.11 Address field assignments *************
1051 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1052 Adhoc 0 0 dest src (terminal) BSSID N/A
1053 AP to Terminal 0 1 dest AP(BSSID) source N/A
1054 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1055 AP to AP 1 1 dest AP src AP dest source
1056 *******************************************************/
1057 if (local->net_type == ADHOC) {
1058 writeb(0, &ptx->mac.frame_ctl_2);
1059 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1061 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1062 } else { /* infrastructure */
1064 if (local->sparm.b4.a_acting_as_ap_status) {
1065 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1066 memcpy_toio(ptx->mac.addr_1,
1067 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1068 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1069 memcpy_toio(ptx->mac.addr_3,
1070 ((struct ethhdr *)data)->h_source, ADDRLEN);
1071 } else { /* Terminal */
1073 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1074 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1075 memcpy_toio(ptx->mac.addr_2,
1076 ((struct ethhdr *)data)->h_source, ADDRLEN);
1077 memcpy_toio(ptx->mac.addr_3,
1078 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1081 } /* end encapsulate_frame */
1083 /*===========================================================================*/
1085 static void netdev_get_drvinfo(struct net_device *dev,
1086 struct ethtool_drvinfo *info)
1088 strcpy(info->driver, "ray_cs");
1091 static const struct ethtool_ops netdev_ethtool_ops = {
1092 .get_drvinfo = netdev_get_drvinfo,
1095 /*====================================================================*/
1097 /*------------------------------------------------------------------*/
1099 * Wireless Handler : get protocol name
1101 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1102 union iwreq_data *wrqu, char *extra)
1104 strcpy(wrqu->name, "IEEE 802.11-FH");
1108 /*------------------------------------------------------------------*/
1110 * Wireless Handler : set frequency
1112 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1113 union iwreq_data *wrqu, char *extra)
1115 ray_dev_t *local = netdev_priv(dev);
1116 int err = -EINPROGRESS; /* Call commit handler */
1118 /* Reject if card is already initialised */
1119 if (local->card_status != CARD_AWAITING_PARAM)
1122 /* Setting by channel number */
1123 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1126 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1131 /*------------------------------------------------------------------*/
1133 * Wireless Handler : get frequency
1135 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1136 union iwreq_data *wrqu, char *extra)
1138 ray_dev_t *local = netdev_priv(dev);
1140 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1145 /*------------------------------------------------------------------*/
1147 * Wireless Handler : set ESSID
1149 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1150 union iwreq_data *wrqu, char *extra)
1152 ray_dev_t *local = netdev_priv(dev);
1154 /* Reject if card is already initialised */
1155 if (local->card_status != CARD_AWAITING_PARAM)
1158 /* Check if we asked for `any' */
1159 if (wrqu->essid.flags == 0)
1160 /* Corey : can you do that ? */
1163 /* Check the size of the string */
1164 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1167 /* Set the ESSID in the card */
1168 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1169 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1171 return -EINPROGRESS; /* Call commit handler */
1174 /*------------------------------------------------------------------*/
1176 * Wireless Handler : get ESSID
1178 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1179 union iwreq_data *wrqu, char *extra)
1181 ray_dev_t *local = netdev_priv(dev);
1183 /* Get the essid that was set */
1184 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1187 wrqu->essid.length = strlen(extra);
1188 wrqu->essid.flags = 1; /* active */
1193 /*------------------------------------------------------------------*/
1195 * Wireless Handler : get AP address
1197 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1198 union iwreq_data *wrqu, char *extra)
1200 ray_dev_t *local = netdev_priv(dev);
1202 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1203 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1208 /*------------------------------------------------------------------*/
1210 * Wireless Handler : set Bit-Rate
1212 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1213 union iwreq_data *wrqu, char *extra)
1215 ray_dev_t *local = netdev_priv(dev);
1217 /* Reject if card is already initialised */
1218 if (local->card_status != CARD_AWAITING_PARAM)
1221 /* Check if rate is in range */
1222 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1225 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1226 if ((local->fw_ver == 0x55) && /* Please check */
1227 (wrqu->bitrate.value == 2000000))
1228 local->net_default_tx_rate = 3;
1230 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1235 /*------------------------------------------------------------------*/
1237 * Wireless Handler : get Bit-Rate
1239 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1240 union iwreq_data *wrqu, char *extra)
1242 ray_dev_t *local = netdev_priv(dev);
1244 if (local->net_default_tx_rate == 3)
1245 wrqu->bitrate.value = 2000000; /* Hum... */
1247 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1248 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1253 /*------------------------------------------------------------------*/
1255 * Wireless Handler : set RTS threshold
1257 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1258 union iwreq_data *wrqu, char *extra)
1260 ray_dev_t *local = netdev_priv(dev);
1261 int rthr = wrqu->rts.value;
1263 /* Reject if card is already initialised */
1264 if (local->card_status != CARD_AWAITING_PARAM)
1267 /* if(wrq->u.rts.fixed == 0) we should complain */
1268 if (wrqu->rts.disabled)
1271 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1274 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1275 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1277 return -EINPROGRESS; /* Call commit handler */
1280 /*------------------------------------------------------------------*/
1282 * Wireless Handler : get RTS threshold
1284 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1285 union iwreq_data *wrqu, char *extra)
1287 ray_dev_t *local = netdev_priv(dev);
1289 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1290 + local->sparm.b5.a_rts_threshold[1];
1291 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1292 wrqu->rts.fixed = 1;
1297 /*------------------------------------------------------------------*/
1299 * Wireless Handler : set Fragmentation threshold
1301 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1302 union iwreq_data *wrqu, char *extra)
1304 ray_dev_t *local = netdev_priv(dev);
1305 int fthr = wrqu->frag.value;
1307 /* Reject if card is already initialised */
1308 if (local->card_status != CARD_AWAITING_PARAM)
1311 /* if(wrq->u.frag.fixed == 0) should complain */
1312 if (wrqu->frag.disabled)
1315 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1318 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1319 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1321 return -EINPROGRESS; /* Call commit handler */
1324 /*------------------------------------------------------------------*/
1326 * Wireless Handler : get Fragmentation threshold
1328 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1329 union iwreq_data *wrqu, char *extra)
1331 ray_dev_t *local = netdev_priv(dev);
1333 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1334 + local->sparm.b5.a_frag_threshold[1];
1335 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1336 wrqu->frag.fixed = 1;
1341 /*------------------------------------------------------------------*/
1343 * Wireless Handler : set Mode of Operation
1345 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1346 union iwreq_data *wrqu, char *extra)
1348 ray_dev_t *local = netdev_priv(dev);
1349 int err = -EINPROGRESS; /* Call commit handler */
1352 /* Reject if card is already initialised */
1353 if (local->card_status != CARD_AWAITING_PARAM)
1356 switch (wrqu->mode) {
1361 local->sparm.b5.a_network_type = card_mode;
1370 /*------------------------------------------------------------------*/
1372 * Wireless Handler : get Mode of Operation
1374 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1375 union iwreq_data *wrqu, char *extra)
1377 ray_dev_t *local = netdev_priv(dev);
1379 if (local->sparm.b5.a_network_type)
1380 wrqu->mode = IW_MODE_INFRA;
1382 wrqu->mode = IW_MODE_ADHOC;
1387 /*------------------------------------------------------------------*/
1389 * Wireless Handler : get range info
1391 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1392 union iwreq_data *wrqu, char *extra)
1394 struct iw_range *range = (struct iw_range *)extra;
1396 memset(range, 0, sizeof(struct iw_range));
1398 /* Set the length (very important for backward compatibility) */
1399 wrqu->data.length = sizeof(struct iw_range);
1401 /* Set the Wireless Extension versions */
1402 range->we_version_compiled = WIRELESS_EXT;
1403 range->we_version_source = 9;
1405 /* Set information in the range struct */
1406 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1407 range->num_channels = hop_pattern_length[(int)country];
1408 range->num_frequency = 0;
1409 range->max_qual.qual = 0;
1410 range->max_qual.level = 255; /* What's the correct value ? */
1411 range->max_qual.noise = 255; /* Idem */
1412 range->num_bitrates = 2;
1413 range->bitrate[0] = 1000000; /* 1 Mb/s */
1414 range->bitrate[1] = 2000000; /* 2 Mb/s */
1418 /*------------------------------------------------------------------*/
1420 * Wireless Private Handler : set framing mode
1422 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1423 union iwreq_data *wrqu, char *extra)
1425 translate = *(extra); /* Set framing mode */
1430 /*------------------------------------------------------------------*/
1432 * Wireless Private Handler : get framing mode
1434 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1435 union iwreq_data *wrqu, char *extra)
1437 *(extra) = translate;
1442 /*------------------------------------------------------------------*/
1444 * Wireless Private Handler : get country
1446 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1447 union iwreq_data *wrqu, char *extra)
1454 /*------------------------------------------------------------------*/
1456 * Commit handler : called after a bunch of SET operations
1458 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1459 union iwreq_data *wrqu, char *extra)
1464 /*------------------------------------------------------------------*/
1466 * Stats handler : return Wireless Stats
1468 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1470 ray_dev_t *local = netdev_priv(dev);
1471 struct pcmcia_device *link = local->finder;
1472 struct status __iomem *p = local->sram + STATUS_BASE;
1474 local->wstats.status = local->card_status;
1476 if ((local->spy_data.spy_number > 0)
1477 && (local->sparm.b5.a_network_type == 0)) {
1478 /* Get it from the first node in spy list */
1479 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1480 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1481 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1482 local->wstats.qual.updated =
1483 local->spy_data.spy_stat[0].updated;
1485 #endif /* WIRELESS_SPY */
1487 if (pcmcia_dev_present(link)) {
1488 local->wstats.qual.noise = readb(&p->rxnoise);
1489 local->wstats.qual.updated |= 4;
1492 return &local->wstats;
1493 } /* end ray_get_wireless_stats */
1495 /*------------------------------------------------------------------*/
1497 * Structures to export the Wireless Handlers
1500 static const iw_handler ray_handler[] = {
1501 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1502 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1503 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1504 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1505 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1506 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1507 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1509 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1510 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1511 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1512 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1513 #endif /* WIRELESS_SPY */
1514 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1515 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1516 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1517 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1518 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1519 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1520 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1521 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1522 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1525 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1526 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1527 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1529 static const iw_handler ray_private_handler[] = {
1530 [0] = ray_set_framing,
1531 [1] = ray_get_framing,
1532 [3] = ray_get_country,
1535 static const struct iw_priv_args ray_private_args[] = {
1536 /* cmd, set_args, get_args, name */
1537 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1539 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1541 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1545 static const struct iw_handler_def ray_handler_def = {
1546 .num_standard = ARRAY_SIZE(ray_handler),
1547 .num_private = ARRAY_SIZE(ray_private_handler),
1548 .num_private_args = ARRAY_SIZE(ray_private_args),
1549 .standard = ray_handler,
1550 .private = ray_private_handler,
1551 .private_args = ray_private_args,
1552 .get_wireless_stats = ray_get_wireless_stats,
1555 /*===========================================================================*/
1556 static int ray_open(struct net_device *dev)
1558 ray_dev_t *local = netdev_priv(dev);
1559 struct pcmcia_device *link;
1560 link = local->finder;
1562 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1564 if (link->open == 0)
1565 local->num_multi = 0;
1568 /* If the card is not started, time to start it ! - Jean II */
1569 if (local->card_status == CARD_AWAITING_PARAM) {
1572 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1574 /* Download startup parameters */
1575 if ((i = dl_startup_params(dev)) < 0) {
1577 "ray_dev_init dl_startup_params failed - "
1578 "returns 0x%x\n", i);
1584 netif_stop_queue(dev);
1586 netif_start_queue(dev);
1588 dev_dbg(&link->dev, "ray_open ending\n");
1590 } /* end ray_open */
1592 /*===========================================================================*/
1593 static int ray_dev_close(struct net_device *dev)
1595 ray_dev_t *local = netdev_priv(dev);
1596 struct pcmcia_device *link;
1597 link = local->finder;
1599 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1602 netif_stop_queue(dev);
1604 /* In here, we should stop the hardware (stop card from beeing active)
1605 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1606 * card is closed we can chage its configuration.
1607 * Probably also need a COR reset to get sane state - Jean II */
1610 } /* end ray_dev_close */
1612 /*===========================================================================*/
1613 static void ray_reset(struct net_device *dev)
1615 pr_debug("ray_reset entered\n");
1618 /*===========================================================================*/
1619 /* Cause a firmware interrupt if it is ready for one */
1620 /* Return nonzero if not ready */
1621 static int interrupt_ecf(ray_dev_t *local, int ccs)
1624 struct pcmcia_device *link = local->finder;
1626 if (!(pcmcia_dev_present(link))) {
1627 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1630 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1633 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1637 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1640 /* Fill the mailbox, then kick the card */
1641 writeb(ccs, local->sram + SCB_BASE);
1642 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1644 } /* interrupt_ecf */
1646 /*===========================================================================*/
1647 /* Get next free transmit CCS */
1648 /* Return - index of current tx ccs */
1649 static int get_free_tx_ccs(ray_dev_t *local)
1652 struct ccs __iomem *pccs = ccs_base(local);
1653 struct pcmcia_device *link = local->finder;
1655 if (!(pcmcia_dev_present(link))) {
1656 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1660 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1661 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1665 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1666 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1667 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1668 writeb(CCS_END_LIST, &(pccs + i)->link);
1669 local->tx_ccs_lock = 0;
1673 local->tx_ccs_lock = 0;
1674 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1676 } /* get_free_tx_ccs */
1678 /*===========================================================================*/
1679 /* Get next free CCS */
1680 /* Return - index of current ccs */
1681 static int get_free_ccs(ray_dev_t *local)
1684 struct ccs __iomem *pccs = ccs_base(local);
1685 struct pcmcia_device *link = local->finder;
1687 if (!(pcmcia_dev_present(link))) {
1688 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1691 if (test_and_set_bit(0, &local->ccs_lock)) {
1692 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1696 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1697 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1698 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1699 writeb(CCS_END_LIST, &(pccs + i)->link);
1700 local->ccs_lock = 0;
1704 local->ccs_lock = 0;
1705 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1707 } /* get_free_ccs */
1709 /*===========================================================================*/
1710 static void authenticate_timeout(u_long data)
1712 ray_dev_t *local = (ray_dev_t *) data;
1713 del_timer(&local->timer);
1714 printk(KERN_INFO "ray_cs Authentication with access point failed"
1716 join_net((u_long) local);
1719 /*===========================================================================*/
1720 static int asc_to_int(char a)
1729 return (10 + a - 'A');
1733 return (10 + a - 'a');
1737 /*===========================================================================*/
1738 static int parse_addr(char *in_str, UCHAR *out)
1746 if ((len = strlen(in_str)) < 2)
1748 memset(out, 0, ADDRLEN);
1757 if ((k = asc_to_int(in_str[j--])) != -1)
1764 if ((k = asc_to_int(in_str[j--])) != -1)
1774 /*===========================================================================*/
1775 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1777 ray_dev_t *local = netdev_priv(dev);
1778 struct pcmcia_device *link = local->finder;
1779 struct status __iomem *p = local->sram + STATUS_BASE;
1780 if (!(pcmcia_dev_present(link))) {
1781 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1782 return &local->stats;
1784 if (readb(&p->mrx_overflow_for_host)) {
1785 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1786 writeb(0, &p->mrx_overflow);
1787 writeb(0, &p->mrx_overflow_for_host);
1789 if (readb(&p->mrx_checksum_error_for_host)) {
1790 local->stats.rx_crc_errors +=
1791 swab16(readw(&p->mrx_checksum_error));
1792 writeb(0, &p->mrx_checksum_error);
1793 writeb(0, &p->mrx_checksum_error_for_host);
1795 if (readb(&p->rx_hec_error_for_host)) {
1796 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1797 writeb(0, &p->rx_hec_error);
1798 writeb(0, &p->rx_hec_error_for_host);
1800 return &local->stats;
1803 /*===========================================================================*/
1804 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1807 ray_dev_t *local = netdev_priv(dev);
1808 struct pcmcia_device *link = local->finder;
1811 struct ccs __iomem *pccs;
1813 if (!(pcmcia_dev_present(link))) {
1814 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1818 if ((ccsindex = get_free_ccs(local)) < 0) {
1819 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1822 pccs = ccs_base(local) + ccsindex;
1823 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1824 writeb(objid, &pccs->var.update_param.object_id);
1825 writeb(1, &pccs->var.update_param.number_objects);
1826 writeb(0, &pccs->var.update_param.failure_cause);
1827 for (i = 0; i < len; i++) {
1828 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1830 /* Interrupt the firmware to process the command */
1831 if (interrupt_ecf(local, ccsindex)) {
1832 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1833 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1837 /*===========================================================================*/
1838 static void ray_update_multi_list(struct net_device *dev, int all)
1841 struct ccs __iomem *pccs;
1842 ray_dev_t *local = netdev_priv(dev);
1843 struct pcmcia_device *link = local->finder;
1844 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1846 if (!(pcmcia_dev_present(link))) {
1847 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1850 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1851 if ((ccsindex = get_free_ccs(local)) < 0) {
1852 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1855 pccs = ccs_base(local) + ccsindex;
1856 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1859 writeb(0xff, &pccs->var);
1860 local->num_multi = 0xff;
1862 struct netdev_hw_addr *ha;
1865 /* Copy the kernel's list of MC addresses to card */
1866 netdev_for_each_mc_addr(ha, dev) {
1867 memcpy_toio(p, ha->addr, ETH_ALEN);
1869 "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1870 ha->addr[0], ha->addr[1],
1871 ha->addr[2], ha->addr[3],
1872 ha->addr[4], ha->addr[5]);
1876 if (i > 256 / ADDRLEN)
1878 writeb((UCHAR) i, &pccs->var);
1879 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1880 /* Interrupt the firmware to process the command */
1881 local->num_multi = i;
1883 if (interrupt_ecf(local, ccsindex)) {
1885 "ray_cs update_multi failed - ECF not ready for intr\n");
1886 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1888 } /* end ray_update_multi_list */
1890 /*===========================================================================*/
1891 static void set_multicast_list(struct net_device *dev)
1893 ray_dev_t *local = netdev_priv(dev);
1896 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1898 if (dev->flags & IFF_PROMISC) {
1899 if (local->sparm.b5.a_promiscuous_mode == 0) {
1900 pr_debug("ray_cs set_multicast_list promisc on\n");
1901 local->sparm.b5.a_promiscuous_mode = 1;
1903 ray_update_parm(dev, OBJID_promiscuous_mode,
1904 &promisc, sizeof(promisc));
1907 if (local->sparm.b5.a_promiscuous_mode == 1) {
1908 pr_debug("ray_cs set_multicast_list promisc off\n");
1909 local->sparm.b5.a_promiscuous_mode = 0;
1911 ray_update_parm(dev, OBJID_promiscuous_mode,
1912 &promisc, sizeof(promisc));
1916 if (dev->flags & IFF_ALLMULTI)
1917 ray_update_multi_list(dev, 1);
1919 if (local->num_multi != netdev_mc_count(dev))
1920 ray_update_multi_list(dev, 0);
1922 } /* end set_multicast_list */
1924 /*=============================================================================
1925 * All routines below here are run at interrupt time.
1926 =============================================================================*/
1927 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1929 struct net_device *dev = (struct net_device *)dev_id;
1930 struct pcmcia_device *link;
1932 struct ccs __iomem *pccs;
1933 struct rcs __iomem *prcs;
1939 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1942 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1944 local = netdev_priv(dev);
1945 link = (struct pcmcia_device *)local->finder;
1946 if (!pcmcia_dev_present(link)) {
1948 "ray_cs interrupt from device not present or suspended.\n");
1951 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1953 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1954 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1955 clear_interrupt(local);
1958 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1959 pccs = ccs_base(local) + rcsindex;
1960 cmd = readb(&pccs->cmd);
1961 status = readb(&pccs->buffer_status);
1963 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1964 del_timer(&local->timer);
1965 if (status == CCS_COMMAND_COMPLETE) {
1967 "ray_cs interrupt download_startup_parameters OK\n");
1970 "ray_cs interrupt download_startup_parameters fail\n");
1973 case CCS_UPDATE_PARAMS:
1974 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1975 if (status != CCS_COMMAND_COMPLETE) {
1977 readb(&pccs->var.update_param.
1980 "ray_cs interrupt update params failed - reason %d\n",
1984 case CCS_REPORT_PARAMS:
1985 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1987 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1989 "ray_cs interrupt CCS Update Multicast List done\n");
1991 case CCS_UPDATE_POWER_SAVINGS_MODE:
1993 "ray_cs interrupt update power save mode done\n");
1995 case CCS_START_NETWORK:
1996 case CCS_JOIN_NETWORK:
1997 if (status == CCS_COMMAND_COMPLETE) {
1999 (&pccs->var.start_network.net_initiated) ==
2002 "ray_cs interrupt network \"%s\" started\n",
2003 local->sparm.b4.a_current_ess_id);
2006 "ray_cs interrupt network \"%s\" joined\n",
2007 local->sparm.b4.a_current_ess_id);
2009 memcpy_fromio(&local->bss_id,
2010 pccs->var.start_network.bssid,
2013 if (local->fw_ver == 0x55)
2014 local->net_default_tx_rate = 3;
2016 local->net_default_tx_rate =
2017 readb(&pccs->var.start_network.
2018 net_default_tx_rate);
2020 readb(&pccs->var.start_network.encryption);
2021 if (!sniffer && (local->net_type == INFRA)
2022 && !(local->sparm.b4.a_acting_as_ap_status)) {
2023 authenticate(local);
2025 local->card_status = CARD_ACQ_COMPLETE;
2027 local->card_status = CARD_ACQ_FAILED;
2029 del_timer(&local->timer);
2030 local->timer.expires = jiffies + HZ * 5;
2031 local->timer.data = (long)local;
2032 if (status == CCS_START_NETWORK) {
2034 "ray_cs interrupt network \"%s\" start failed\n",
2035 local->sparm.b4.a_current_ess_id);
2036 local->timer.function = &start_net;
2039 "ray_cs interrupt network \"%s\" join failed\n",
2040 local->sparm.b4.a_current_ess_id);
2041 local->timer.function = &join_net;
2043 add_timer(&local->timer);
2046 case CCS_START_ASSOCIATION:
2047 if (status == CCS_COMMAND_COMPLETE) {
2048 local->card_status = CARD_ASSOC_COMPLETE;
2049 dev_dbg(&link->dev, "ray_cs association successful\n");
2051 dev_dbg(&link->dev, "ray_cs association failed,\n");
2052 local->card_status = CARD_ASSOC_FAILED;
2053 join_net((u_long) local);
2056 case CCS_TX_REQUEST:
2057 if (status == CCS_COMMAND_COMPLETE) {
2059 "ray_cs interrupt tx request complete\n");
2062 "ray_cs interrupt tx request failed\n");
2065 netif_start_queue(dev);
2066 netif_wake_queue(dev);
2068 case CCS_TEST_MEMORY:
2069 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
2073 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2075 case CCS_DUMP_MEMORY:
2076 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
2078 case CCS_START_TIMER:
2080 "ray_cs interrupt DING - raylink timer expired\n");
2084 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2087 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2088 } else { /* It's an RCS */
2090 prcs = rcs_base(local) + rcsindex;
2092 switch (readb(&prcs->interrupt_id)) {
2093 case PROCESS_RX_PACKET:
2094 ray_rx(dev, local, prcs);
2096 case REJOIN_NET_COMPLETE:
2097 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2098 local->card_status = CARD_ACQ_COMPLETE;
2099 /* do we need to clear tx buffers CCS's? */
2100 if (local->sparm.b4.a_network_type == ADHOC) {
2102 netif_start_queue(dev);
2104 memcpy_fromio(&local->bss_id,
2105 prcs->var.rejoin_net_complete.
2108 "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2109 local->bss_id[0], local->bss_id[1],
2110 local->bss_id[2], local->bss_id[3],
2111 local->bss_id[4], local->bss_id[5]);
2113 authenticate(local);
2116 case ROAMING_INITIATED:
2117 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2118 netif_stop_queue(dev);
2119 local->card_status = CARD_DOING_ACQ;
2121 case JAPAN_CALL_SIGN_RXD:
2122 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2126 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2128 (unsigned int)readb(&prcs->interrupt_id));
2131 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2133 clear_interrupt(local);
2135 } /* ray_interrupt */
2137 /*===========================================================================*/
2138 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2139 struct rcs __iomem *prcs)
2142 unsigned int pkt_addr;
2144 pr_debug("ray_rx process rx packet\n");
2146 /* Calculate address of packet within Rx buffer */
2147 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2148 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2149 /* Length of first packet fragment */
2150 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2151 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2153 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2154 pmsg = local->rmem + pkt_addr;
2155 switch (readb(pmsg)) {
2157 pr_debug("ray_rx data type\n");
2158 rx_data(dev, prcs, pkt_addr, rx_len);
2160 case AUTHENTIC_TYPE:
2161 pr_debug("ray_rx authentic type\n");
2163 rx_data(dev, prcs, pkt_addr, rx_len);
2165 rx_authenticate(local, prcs, pkt_addr, rx_len);
2167 case DEAUTHENTIC_TYPE:
2168 pr_debug("ray_rx deauth type\n");
2170 rx_data(dev, prcs, pkt_addr, rx_len);
2172 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2175 pr_debug("ray_cs rx NULL msg\n");
2178 pr_debug("ray_rx beacon type\n");
2180 rx_data(dev, prcs, pkt_addr, rx_len);
2182 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2183 rx_len < sizeof(struct beacon_rx) ?
2184 rx_len : sizeof(struct beacon_rx));
2186 local->beacon_rxed = 1;
2187 /* Get the statistics so the card counters never overflow */
2191 pr_debug("ray_cs unknown pkt type %2x\n",
2192 (unsigned int)readb(pmsg));
2198 /*===========================================================================*/
2199 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2200 unsigned int pkt_addr, int rx_len)
2202 struct sk_buff *skb = NULL;
2203 struct rcs __iomem *prcslink = prcs;
2204 ray_dev_t *local = netdev_priv(dev);
2209 int siglev = local->last_rsl;
2210 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2215 /* TBD length needs fixing for translated header */
2216 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2218 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2221 "ray_cs invalid packet length %d received\n",
2225 } else { /* encapsulated ethernet */
2227 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2229 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2232 "ray_cs invalid packet length %d received\n",
2238 pr_debug("ray_cs rx_data packet\n");
2239 /* If fragmented packet, verify sizes of fragments add up */
2240 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2241 pr_debug("ray_cs rx'ed fragment\n");
2242 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2243 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2248 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2250 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2251 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2254 prcslink = rcs_base(local)
2255 + readb(&prcslink->link_field);
2260 "ray_cs rx_data fragment lengths don't add up\n");
2261 local->stats.rx_dropped++;
2262 release_frag_chain(local, prcs);
2265 } else { /* Single unfragmented packet */
2269 skb = dev_alloc_skb(total_len + 5);
2271 pr_debug("ray_cs rx_data could not allocate skb\n");
2272 local->stats.rx_dropped++;
2273 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2274 release_frag_chain(local, prcs);
2277 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2279 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2282 /************************/
2283 /* Reserve enough room for the whole damn packet. */
2284 rx_ptr = skb_put(skb, total_len);
2285 /* Copy the whole packet to sk_buff */
2287 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2288 /* Get source address */
2290 skb_copy_from_linear_data_offset(skb,
2291 offsetof(struct mac_header, addr_2),
2292 linksrcaddr, ETH_ALEN);
2294 /* Now, deal with encapsulation/translation/sniffer */
2297 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2298 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2299 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2301 /* Do translation */
2302 untranslate(local, skb, total_len);
2304 } else { /* sniffer mode, so just pass whole packet */
2307 /************************/
2308 /* Now pick up the rest of the fragments if any */
2310 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2312 pr_debug("ray_cs rx_data in fragment loop\n");
2314 prcslink = rcs_base(local)
2316 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2318 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2321 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2324 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2326 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2330 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2333 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2335 release_frag_chain(local, prcs);
2338 skb->protocol = eth_type_trans(skb, dev);
2340 local->stats.rx_packets++;
2341 local->stats.rx_bytes += total_len;
2343 /* Gather signal strength per address */
2345 /* For the Access Point or the node having started the ad-hoc net
2346 * note : ad-hoc work only in some specific configurations, but we
2347 * kludge in ray_get_wireless_stats... */
2348 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2349 /* Update statistics */
2350 /*local->wstats.qual.qual = none ? */
2351 local->wstats.qual.level = siglev;
2352 /*local->wstats.qual.noise = none ? */
2353 local->wstats.qual.updated = 0x2;
2355 /* Now, update the spy stuff */
2357 struct iw_quality wstats;
2358 wstats.level = siglev;
2359 /* wstats.noise = none ? */
2360 /* wstats.qual = none ? */
2361 wstats.updated = 0x2;
2362 /* Update spy records */
2363 wireless_spy_update(dev, linksrcaddr, &wstats);
2365 #endif /* WIRELESS_SPY */
2368 /*===========================================================================*/
2369 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2371 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2372 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2373 __be16 type = *(__be16 *) psnap->ethertype;
2375 struct ethhdr *peth;
2376 UCHAR srcaddr[ADDRLEN];
2377 UCHAR destaddr[ADDRLEN];
2378 static UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2379 static UCHAR org_1042[3] = { 0, 0, 0 };
2381 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2382 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2386 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2387 DUMP_PREFIX_NONE, 16, 1,
2388 skb->data, 64, true);
2390 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2391 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2392 psnap->org[0], psnap->org[1], psnap->org[2]);
2393 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2397 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2398 /* not a snap type so leave it alone */
2399 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2400 psnap->dsap, psnap->ssap, psnap->ctrl);
2402 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2403 peth = (struct ethhdr *)(skb->data + delta);
2404 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2405 } else { /* Its a SNAP */
2406 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2407 /* EtherII and nuke the LLC */
2408 pr_debug("ray_cs untranslate Bridge encap\n");
2409 delta = RX_MAC_HEADER_LENGTH
2410 + sizeof(struct snaphdr_t) - ETH_HLEN;
2411 peth = (struct ethhdr *)(skb->data + delta);
2412 peth->h_proto = type;
2413 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2414 switch (ntohs(type)) {
2417 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2418 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2419 peth = (struct ethhdr *)(skb->data + delta);
2421 htons(len - RX_MAC_HEADER_LENGTH);
2424 pr_debug("ray_cs untranslate RFC default\n");
2425 delta = RX_MAC_HEADER_LENGTH +
2426 sizeof(struct snaphdr_t) - ETH_HLEN;
2427 peth = (struct ethhdr *)(skb->data + delta);
2428 peth->h_proto = type;
2432 printk("ray_cs untranslate very confused by packet\n");
2433 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2434 peth = (struct ethhdr *)(skb->data + delta);
2435 peth->h_proto = type;
2438 /* TBD reserve skb_reserve(skb, delta); */
2439 skb_pull(skb, delta);
2440 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2442 memcpy(peth->h_dest, destaddr, ADDRLEN);
2443 memcpy(peth->h_source, srcaddr, ADDRLEN);
2447 printk(KERN_DEBUG "skb->data after untranslate:");
2448 for (i = 0; i < 64; i++)
2449 printk("%02x ", skb->data[i]);
2453 } /* end untranslate */
2455 /*===========================================================================*/
2456 /* Copy data from circular receive buffer to PC memory.
2457 * dest = destination address in PC memory
2458 * pkt_addr = source address in receive buffer
2459 * len = length of packet to copy
2461 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2464 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2465 if (wrap_bytes <= 0) {
2466 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2467 } else { /* Packet wrapped in circular buffer */
2469 memcpy_fromio(dest, local->rmem + pkt_addr,
2470 length - wrap_bytes);
2471 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2477 /*===========================================================================*/
2478 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2480 struct rcs __iomem *prcslink = prcs;
2482 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2485 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2486 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2487 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2491 prcslink = rcs_base(local) + rcsindex;
2492 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2494 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2497 /*===========================================================================*/
2498 static void authenticate(ray_dev_t *local)
2500 struct pcmcia_device *link = local->finder;
2501 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2502 if (!(pcmcia_dev_present(link))) {
2503 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2507 del_timer(&local->timer);
2508 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2509 local->timer.function = &join_net;
2511 local->timer.function = &authenticate_timeout;
2513 local->timer.expires = jiffies + HZ * 2;
2514 local->timer.data = (long)local;
2515 add_timer(&local->timer);
2516 local->authentication_state = AWAITING_RESPONSE;
2517 } /* end authenticate */
2519 /*===========================================================================*/
2520 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2521 unsigned int pkt_addr, int rx_len)
2524 struct rx_msg *msg = (struct rx_msg *)buff;
2526 del_timer(&local->timer);
2528 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2529 /* if we are trying to get authenticated */
2530 if (local->sparm.b4.a_network_type == ADHOC) {
2531 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2532 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2533 msg->var[4], msg->var[5]);
2534 if (msg->var[2] == 1) {
2535 pr_debug("ray_cs Sending authentication response.\n");
2536 if (!build_auth_frame
2537 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2538 local->authentication_state = NEED_TO_AUTH;
2539 memcpy(local->auth_id, msg->mac.addr_2,
2543 } else { /* Infrastructure network */
2545 if (local->authentication_state == AWAITING_RESPONSE) {
2546 /* Verify authentication sequence #2 and success */
2547 if (msg->var[2] == 2) {
2548 if ((msg->var[3] | msg->var[4]) == 0) {
2549 pr_debug("Authentication successful\n");
2550 local->card_status = CARD_AUTH_COMPLETE;
2552 local->authentication_state =
2555 pr_debug("Authentication refused\n");
2556 local->card_status = CARD_AUTH_REFUSED;
2557 join_net((u_long) local);
2558 local->authentication_state =
2565 } /* end rx_authenticate */
2567 /*===========================================================================*/
2568 static void associate(ray_dev_t *local)
2570 struct ccs __iomem *pccs;
2571 struct pcmcia_device *link = local->finder;
2572 struct net_device *dev = link->priv;
2574 if (!(pcmcia_dev_present(link))) {
2575 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2578 /* If no tx buffers available, return */
2579 if ((ccsindex = get_free_ccs(local)) < 0) {
2580 /* TBD should never be here but... what if we are? */
2581 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2584 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2585 pccs = ccs_base(local) + ccsindex;
2586 /* fill in the CCS */
2587 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2588 /* Interrupt the firmware to process the command */
2589 if (interrupt_ecf(local, ccsindex)) {
2590 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2591 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2593 del_timer(&local->timer);
2594 local->timer.expires = jiffies + HZ * 2;
2595 local->timer.data = (long)local;
2596 local->timer.function = &join_net;
2597 add_timer(&local->timer);
2598 local->card_status = CARD_ASSOC_FAILED;
2602 netif_start_queue(dev);
2604 } /* end associate */
2606 /*===========================================================================*/
2607 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2608 unsigned int pkt_addr, int rx_len)
2611 struct rx_msg *msg = (struct rx_msg *)buff;
2613 pr_debug("Deauthentication frame received\n");
2614 local->authentication_state = UNAUTHENTICATED;
2615 /* Need to reauthenticate or rejoin depending on reason code */
2616 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2620 /*===========================================================================*/
2621 static void clear_interrupt(ray_dev_t *local)
2623 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2626 /*===========================================================================*/
2627 #ifdef CONFIG_PROC_FS
2628 #define MAXDATA (PAGE_SIZE - 80)
2630 static char *card_status[] = {
2631 "Card inserted - uninitialized", /* 0 */
2632 "Card not downloaded", /* 1 */
2633 "Waiting for download parameters", /* 2 */
2634 "Card doing acquisition", /* 3 */
2635 "Acquisition complete", /* 4 */
2636 "Authentication complete", /* 5 */
2637 "Association complete", /* 6 */
2638 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2639 "Card init error", /* 11 */
2640 "Download parameters error", /* 12 */
2642 "Acquisition failed", /* 14 */
2643 "Authentication refused", /* 15 */
2644 "Association failed" /* 16 */
2647 static char *nettype[] = { "Adhoc", "Infra " };
2648 static char *framing[] = { "Encapsulation", "Translation" }
2651 /*===========================================================================*/
2652 static int ray_cs_proc_show(struct seq_file *m, void *v)
2654 /* Print current values which are not available via other means
2658 struct pcmcia_device *link;
2659 struct net_device *dev;
2662 struct freq_hop_element *pfh;
2668 dev = (struct net_device *)link->priv;
2671 local = netdev_priv(dev);
2675 seq_puts(m, "Raylink Wireless LAN driver status\n");
2676 seq_printf(m, "%s\n", rcsid);
2677 /* build 4 does not report version, and field is 0x55 after memtest */
2678 seq_puts(m, "Firmware version = ");
2679 if (local->fw_ver == 0x55)
2680 seq_puts(m, "4 - Use dump_cis for more details\n");
2682 seq_printf(m, "%2d.%02d.%02d\n",
2683 local->fw_ver, local->fw_bld, local->fw_var);
2685 for (i = 0; i < 32; i++)
2686 c[i] = local->sparm.b5.a_current_ess_id[i];
2688 seq_printf(m, "%s network ESSID = \"%s\"\n",
2689 nettype[local->sparm.b5.a_network_type], c);
2692 seq_printf(m, "BSSID = %pM\n", p);
2694 seq_printf(m, "Country code = %d\n",
2695 local->sparm.b5.a_curr_country_code);
2697 i = local->card_status;
2702 seq_printf(m, "Card status = %s\n", card_status[i]);
2704 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2706 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2708 if (local->beacon_rxed) {
2709 /* Pull some fields out of last beacon received */
2710 seq_printf(m, "Beacon Interval = %d Kus\n",
2711 local->last_bcn.beacon_intvl[0]
2712 + 256 * local->last_bcn.beacon_intvl[1]);
2714 p = local->last_bcn.elements;
2715 if (p[0] == C_ESSID_ELEMENT_ID)
2719 "Parse beacon failed at essid element id = %d\n",
2724 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2725 seq_puts(m, "Supported rate codes = ");
2726 for (i = 2; i < p[1] + 2; i++)
2727 seq_printf(m, "0x%02x ", p[i]);
2731 seq_puts(m, "Parse beacon failed at rates element\n");
2735 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2736 pfh = (struct freq_hop_element *)p;
2737 seq_printf(m, "Hop dwell = %d Kus\n",
2738 pfh->dwell_time[0] +
2739 256 * pfh->dwell_time[1]);
2740 seq_printf(m, "Hop set = %d\n",
2742 seq_printf(m, "Hop pattern = %d\n",
2744 seq_printf(m, "Hop index = %d\n",
2749 "Parse beacon failed at FH param element\n");
2753 seq_puts(m, "No beacons received\n");
2758 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2760 return single_open(file, ray_cs_proc_show, NULL);
2763 static const struct file_operations ray_cs_proc_fops = {
2764 .owner = THIS_MODULE,
2765 .open = ray_cs_proc_open,
2767 .llseek = seq_lseek,
2768 .release = single_release,
2771 /*===========================================================================*/
2772 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2775 struct ccs __iomem *pccs;
2776 struct tx_msg __iomem *ptx;
2779 /* If no tx buffers available, return */
2780 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2781 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2785 pccs = ccs_base(local) + ccsindex;
2787 /* Address in card space */
2788 addr = TX_BUF_BASE + (ccsindex << 11);
2789 /* fill in the CCS */
2790 writeb(CCS_TX_REQUEST, &pccs->cmd);
2791 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2792 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2793 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2794 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2795 pccs->var.tx_request.tx_data_length + 1);
2796 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2798 ptx = local->sram + addr;
2799 /* fill in the mac header */
2800 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2801 writeb(0, &ptx->mac.frame_ctl_2);
2803 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2804 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2805 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2807 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2808 memset_io(ptx->var, 0, 6);
2809 writeb(auth_type & 0xff, ptx->var + 2);
2811 /* Interrupt the firmware to process the command */
2812 if (interrupt_ecf(local, ccsindex)) {
2814 "ray_cs send authentication request failed - ECF not ready for intr\n");
2815 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2819 } /* End build_auth_frame */
2821 /*===========================================================================*/
2822 #ifdef CONFIG_PROC_FS
2823 static ssize_t ray_cs_essid_proc_write(struct file *file,
2824 const char __user *buffer, size_t count, loff_t *pos)
2826 static char proc_essid[33];
2827 unsigned int len = count;
2831 memset(proc_essid, 0, 33);
2832 if (copy_from_user(proc_essid, buffer, len))
2838 static const struct file_operations ray_cs_essid_proc_fops = {
2839 .owner = THIS_MODULE,
2840 .write = ray_cs_essid_proc_write,
2843 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2844 size_t count, loff_t *pos)
2846 static char proc_number[10];
2855 if (copy_from_user(proc_number, buffer, count))
2861 unsigned int c = *p - '0';
2867 *(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
2871 static const struct file_operations int_proc_fops = {
2872 .owner = THIS_MODULE,
2873 .write = int_proc_write,
2877 static struct pcmcia_device_id ray_ids[] = {
2878 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2882 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2884 static struct pcmcia_driver ray_driver = {
2885 .owner = THIS_MODULE,
2890 .remove = ray_detach,
2891 .id_table = ray_ids,
2892 .suspend = ray_suspend,
2893 .resume = ray_resume,
2896 static int __init init_ray_cs(void)
2900 pr_debug("%s\n", rcsid);
2901 rc = pcmcia_register_driver(&ray_driver);
2902 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2905 #ifdef CONFIG_PROC_FS
2906 proc_mkdir("driver/ray_cs", NULL);
2908 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2909 proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2910 proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2911 proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2918 /*===========================================================================*/
2920 static void __exit exit_ray_cs(void)
2922 pr_debug("ray_cs: cleanup_module\n");
2924 #ifdef CONFIG_PROC_FS
2925 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2926 remove_proc_entry("driver/ray_cs/essid", NULL);
2927 remove_proc_entry("driver/ray_cs/net_type", NULL);
2928 remove_proc_entry("driver/ray_cs/translate", NULL);
2929 remove_proc_entry("driver/ray_cs", NULL);
2932 pcmcia_unregister_driver(&ray_driver);
2935 module_init(init_ray_cs);
2936 module_exit(exit_ray_cs);
2938 /*===========================================================================*/