1 // SPDX-License-Identifier: GPL-2.0-only
2 /*=============================================================================
4 * A PCMCIA client driver for the Raylink wireless LAN card.
5 * The starting point for this module was the skeleton.c in the
6 * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
8 * Copyright (c) 1998 Corey Thomas (corey@world.std.com)
11 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
12 * - reorganize kmallocs in ray_attach, checking all for failure
13 * and releasing the previous allocations if one fails
15 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
16 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
18 =============================================================================*/
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/proc_fs.h>
23 #include <linux/ptrace.h>
24 #include <linux/seq_file.h>
25 #include <linux/string.h>
26 #include <linux/timer.h>
27 #include <linux/init.h>
28 #include <linux/netdevice.h>
29 #include <linux/etherdevice.h>
30 #include <linux/if_arp.h>
31 #include <linux/ioport.h>
32 #include <linux/skbuff.h>
33 #include <linux/ieee80211.h>
35 #include <pcmcia/cistpl.h>
36 #include <pcmcia/cisreg.h>
37 #include <pcmcia/ds.h>
39 #include <linux/wireless.h>
40 #include <net/iw_handler.h>
43 #include <asm/byteorder.h>
44 #include <linux/uaccess.h>
46 /* Warning : these stuff will slow down the driver... */
47 #define WIRELESS_SPY /* Enable spying addresses */
48 /* Definitions we need for spy */
49 typedef struct iw_statistics iw_stats;
50 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
56 /** Prototypes based on PCMCIA skeleton driver *******************************/
57 static int ray_config(struct pcmcia_device *link);
58 static void ray_release(struct pcmcia_device *link);
59 static void ray_detach(struct pcmcia_device *p_dev);
61 /***** Prototypes indicated by device structure ******************************/
62 static int ray_dev_close(struct net_device *dev);
63 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
64 static struct net_device_stats *ray_get_stats(struct net_device *dev);
65 static int ray_dev_init(struct net_device *dev);
67 static int ray_open(struct net_device *dev);
68 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
69 struct net_device *dev);
70 static void set_multicast_list(struct net_device *dev);
71 static void ray_update_multi_list(struct net_device *dev, int all);
72 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
73 unsigned char *data, int len);
74 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
75 UCHAR msg_type, unsigned char *data);
76 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
77 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
78 static const struct iw_handler_def ray_handler_def;
80 /***** Prototypes for raylink functions **************************************/
81 static void authenticate(ray_dev_t *local);
82 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
83 static void authenticate_timeout(struct timer_list *t);
84 static int get_free_ccs(ray_dev_t *local);
85 static int get_free_tx_ccs(ray_dev_t *local);
86 static void init_startup_params(ray_dev_t *local);
87 static int parse_addr(char *in_str, UCHAR *out);
88 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
89 static int ray_init(struct net_device *dev);
90 static int interrupt_ecf(ray_dev_t *local, int ccs);
91 static void ray_reset(struct net_device *dev);
92 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
93 static void verify_dl_startup(struct timer_list *t);
95 /* Prototypes for interrpt time functions **********************************/
96 static irqreturn_t ray_interrupt(int reg, void *dev_id);
97 static void clear_interrupt(ray_dev_t *local);
98 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
99 unsigned int pkt_addr, int rx_len);
100 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
101 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
102 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
103 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
104 unsigned int pkt_addr, int rx_len);
105 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
106 unsigned int pkt_addr, int rx_len);
107 static void associate(ray_dev_t *local);
109 /* Card command functions */
110 static int dl_startup_params(struct net_device *dev);
111 static void join_net(struct timer_list *t);
112 static void start_net(struct timer_list *t);
114 /*===========================================================================*/
115 /* Parameters that can be set with 'insmod' */
117 /* ADHOC=0, Infrastructure=1 */
118 static int net_type = ADHOC;
120 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
121 static int hop_dwell = 128;
123 /* Beacon period in Kus */
124 static int beacon_period = 256;
126 /* power save mode (0 = off, 1 = save power) */
129 /* String for network's Extended Service Set ID. 32 Characters max */
132 /* Default to encapsulation unless translation requested */
133 static bool translate = true;
135 static int country = USA;
141 /* 48 bit physical card address if overriding card's real physical
142 * address is required. Since IEEE 802.11 addresses are 48 bits
143 * like ethernet, an int can't be used, so a string is used. To
144 * allow use of addresses starting with a decimal digit, the first
145 * character must be a letter and will be ignored. This letter is
146 * followed by up to 12 hex digits which are the address. If less
147 * than 12 digits are used, the address will be left filled with 0's.
148 * Note that bit 0 of the first byte is the broadcast bit, and evil
149 * things will happen if it is not 0 in a card address.
151 static char *phy_addr = NULL;
153 static unsigned int ray_mem_speed = 500;
155 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
156 static struct pcmcia_device *this_device = NULL;
158 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
159 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
160 MODULE_LICENSE("GPL");
162 module_param(net_type, int, 0);
163 module_param(hop_dwell, int, 0);
164 module_param(beacon_period, int, 0);
165 module_param(psm, int, 0);
166 module_param(essid, charp, 0);
167 module_param(translate, bool, 0);
168 module_param(country, int, 0);
169 module_param(sniffer, int, 0);
170 module_param(bc, int, 0);
171 module_param(phy_addr, charp, 0);
172 module_param(ray_mem_speed, int, 0);
174 static const UCHAR b5_default_startup_parms[] = {
175 0, 0, /* Adhoc station */
176 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
177 0, 0, 0, 0, 0, 0, 0, 0,
178 0, 0, 0, 0, 0, 0, 0, 0,
179 0, 0, 0, 0, 0, 0, 0, 0,
180 1, 0, /* Active scan, CA Mode */
181 0, 0, 0, 0, 0, 0, /* No default MAC addr */
182 0x7f, 0xff, /* Frag threshold */
183 0x00, 0x80, /* Hop time 128 Kus */
184 0x01, 0x00, /* Beacon period 256 Kus */
185 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
186 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
187 0x7f, 0xff, /* RTS threshold */
188 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
189 0x05, /* assoc resp timeout thresh */
190 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
191 0, /* Promiscuous mode */
192 0x0c, 0x0bd, /* Unique word */
193 0x32, /* Slot time */
194 0xff, 0xff, /* roam-low snr, low snr count */
195 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
196 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
197 /* b4 - b5 differences start here */
198 0x00, 0x3f, /* CW max */
199 0x00, 0x0f, /* CW min */
200 0x04, 0x08, /* Noise gain, limit offset */
201 0x28, 0x28, /* det rssi, med busy offsets */
202 7, /* det sync thresh */
203 0, 2, 2, /* test mode, min, max */
204 0, /* allow broadcast SSID probe resp */
205 0, 0, /* privacy must start, can join */
206 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
209 static const UCHAR b4_default_startup_parms[] = {
210 0, 0, /* Adhoc station */
211 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
212 0, 0, 0, 0, 0, 0, 0, 0,
213 0, 0, 0, 0, 0, 0, 0, 0,
214 0, 0, 0, 0, 0, 0, 0, 0,
215 1, 0, /* Active scan, CA Mode */
216 0, 0, 0, 0, 0, 0, /* No default MAC addr */
217 0x7f, 0xff, /* Frag threshold */
218 0x02, 0x00, /* Hop time */
219 0x00, 0x01, /* Beacon period */
220 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
221 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
222 0x7f, 0xff, /* RTS threshold */
223 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
224 0x05, /* assoc resp timeout thresh */
225 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
226 0, /* Promiscuous mode */
227 0x0c, 0x0bd, /* Unique word */
228 0x4e, /* Slot time (TBD seems wrong) */
229 0xff, 0xff, /* roam-low snr, low snr count */
230 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
231 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
232 /* b4 - b5 differences start here */
233 0x3f, 0x0f, /* CW max, min */
234 0x04, 0x08, /* Noise gain, limit offset */
235 0x28, 0x28, /* det rssi, med busy offsets */
236 7, /* det sync thresh */
237 0, 2, 2, /* test mode, min, max */
239 0, 0, 0, 0, 0, 0, /* current BSS id */
243 /*===========================================================================*/
244 static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
246 static const char hop_pattern_length[] = { 1,
247 USA_HOP_MOD, EUROPE_HOP_MOD,
248 JAPAN_HOP_MOD, KOREA_HOP_MOD,
249 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
250 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
254 static const char rcsid[] =
255 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
257 static const struct net_device_ops ray_netdev_ops = {
258 .ndo_init = ray_dev_init,
259 .ndo_open = ray_open,
260 .ndo_stop = ray_dev_close,
261 .ndo_start_xmit = ray_dev_start_xmit,
262 .ndo_set_config = ray_dev_config,
263 .ndo_get_stats = ray_get_stats,
264 .ndo_set_rx_mode = set_multicast_list,
265 .ndo_set_mac_address = eth_mac_addr,
266 .ndo_validate_addr = eth_validate_addr,
269 static int ray_probe(struct pcmcia_device *p_dev)
272 struct net_device *dev;
274 dev_dbg(&p_dev->dev, "ray_attach()\n");
276 /* Allocate space for private device-specific data */
277 dev = alloc_etherdev(sizeof(ray_dev_t));
281 local = netdev_priv(dev);
282 local->finder = p_dev;
284 /* The io structure describes IO port mapping. None used here */
285 p_dev->resource[0]->end = 0;
286 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
288 /* General socket configuration */
289 p_dev->config_flags |= CONF_ENABLE_IRQ;
290 p_dev->config_index = 1;
294 local->finder = p_dev;
295 local->card_status = CARD_INSERTED;
296 local->authentication_state = UNAUTHENTICATED;
297 local->num_multi = 0;
298 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
299 p_dev, dev, local, &ray_interrupt);
301 /* Raylink entries in the device structure */
302 dev->netdev_ops = &ray_netdev_ops;
303 dev->wireless_handlers = &ray_handler_def;
305 local->wireless_data.spy_data = &local->spy_data;
306 dev->wireless_data = &local->wireless_data;
307 #endif /* WIRELESS_SPY */
310 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
311 netif_stop_queue(dev);
313 timer_setup(&local->timer, NULL, 0);
316 return ray_config(p_dev);
322 static void ray_detach(struct pcmcia_device *link)
324 struct net_device *dev;
327 dev_dbg(&link->dev, "ray_detach\n");
334 local = netdev_priv(dev);
335 del_timer_sync(&local->timer);
338 unregister_netdev(dev);
341 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
344 #define MAX_TUPLE_SIZE 128
345 static int ray_config(struct pcmcia_device *link)
349 struct net_device *dev = (struct net_device *)link->priv;
350 ray_dev_t *local = netdev_priv(dev);
352 dev_dbg(&link->dev, "ray_config\n");
354 /* Determine card type and firmware version */
355 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
356 link->prod_id[0] ? link->prod_id[0] : " ",
357 link->prod_id[1] ? link->prod_id[1] : " ",
358 link->prod_id[2] ? link->prod_id[2] : " ",
359 link->prod_id[3] ? link->prod_id[3] : " ");
361 /* Now allocate an interrupt line. Note that this does not
362 actually assign a handler to the interrupt.
364 ret = pcmcia_request_irq(link, ray_interrupt);
367 dev->irq = link->irq;
369 ret = pcmcia_enable_device(link);
373 /*** Set up 32k window for shared memory (transmit and control) ************/
374 link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
375 link->resource[2]->start = 0;
376 link->resource[2]->end = 0x8000;
377 ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed);
380 ret = pcmcia_map_mem_page(link, link->resource[2], 0);
383 local->sram = ioremap(link->resource[2]->start,
384 resource_size(link->resource[2]));
388 /*** Set up 16k window for shared memory (receive buffer) ***************/
389 link->resource[3]->flags |=
390 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
391 link->resource[3]->start = 0;
392 link->resource[3]->end = 0x4000;
393 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
396 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
399 local->rmem = ioremap(link->resource[3]->start,
400 resource_size(link->resource[3]));
404 /*** Set up window for attribute memory ***********************************/
405 link->resource[4]->flags |=
406 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
407 link->resource[4]->start = 0;
408 link->resource[4]->end = 0x1000;
409 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
412 ret = pcmcia_map_mem_page(link, link->resource[4], 0);
415 local->amem = ioremap(link->resource[4]->start,
416 resource_size(link->resource[4]));
420 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
421 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
422 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
423 if (ray_init(dev) < 0) {
428 SET_NETDEV_DEV(dev, &link->dev);
429 i = register_netdev(dev);
431 printk("ray_config register_netdev() failed\n");
436 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
437 dev->name, dev->irq, dev->dev_addr);
446 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
448 return dev->sram + CCS_BASE;
451 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
454 * This looks nonsensical, since there is a separate
455 * RCS_BASE. But the difference between a "struct rcs"
456 * and a "struct ccs" ends up being in the _index_ off
457 * the base, so the base pointer is the same for both
460 return dev->sram + CCS_BASE;
463 /*===========================================================================*/
464 static int ray_init(struct net_device *dev)
467 struct ccs __iomem *pccs;
468 ray_dev_t *local = netdev_priv(dev);
469 struct pcmcia_device *link = local->finder;
470 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
471 if (!(pcmcia_dev_present(link))) {
472 dev_dbg(&link->dev, "ray_init - device not present\n");
476 local->net_type = net_type;
477 local->sta_type = TYPE_STA;
479 /* Copy the startup results to local memory */
480 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
481 sizeof(struct startup_res_6));
483 /* Check Power up test status and get mac address from card */
484 if (local->startup_res.startup_word != 0x80) {
485 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
486 local->startup_res.startup_word);
487 local->card_status = CARD_INIT_ERROR;
491 local->fw_ver = local->startup_res.firmware_version[0];
492 local->fw_bld = local->startup_res.firmware_version[1];
493 local->fw_var = local->startup_res.firmware_version[2];
494 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
497 local->tib_length = 0x20;
498 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
499 local->tib_length = local->startup_res.tib_length;
500 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
501 /* Initialize CCS's to buffer free state */
502 pccs = ccs_base(local);
503 for (i = 0; i < NUMBER_OF_CCS; i++) {
504 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
506 init_startup_params(local);
508 /* copy mac address to startup parameters */
509 if (!parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
510 memcpy(&local->sparm.b4.a_mac_addr,
511 &local->startup_res.station_addr, ADDRLEN);
514 clear_interrupt(local); /* Clear any interrupt from the card */
515 local->card_status = CARD_AWAITING_PARAM;
516 dev_dbg(&link->dev, "ray_init ending\n");
520 /*===========================================================================*/
521 /* Download startup parameters to the card and command it to read them */
522 static int dl_startup_params(struct net_device *dev)
525 ray_dev_t *local = netdev_priv(dev);
526 struct ccs __iomem *pccs;
527 struct pcmcia_device *link = local->finder;
529 dev_dbg(&link->dev, "dl_startup_params entered\n");
530 if (!(pcmcia_dev_present(link))) {
531 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
535 /* Copy parameters to host to ECF area */
536 if (local->fw_ver == 0x55)
537 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
538 sizeof(struct b4_startup_params));
540 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
541 sizeof(struct b5_startup_params));
543 /* Fill in the CCS fields for the ECF */
544 if ((ccsindex = get_free_ccs(local)) < 0)
546 local->dl_param_ccs = ccsindex;
547 pccs = ccs_base(local) + ccsindex;
548 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
549 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
550 local->dl_param_ccs);
551 /* Interrupt the firmware to process the command */
552 if (interrupt_ecf(local, ccsindex)) {
553 printk(KERN_INFO "ray dl_startup_params failed - "
554 "ECF not ready for intr\n");
555 local->card_status = CARD_DL_PARAM_ERROR;
556 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
559 local->card_status = CARD_DL_PARAM;
560 /* Start kernel timer to wait for dl startup to complete. */
561 local->timer.expires = jiffies + HZ / 2;
562 local->timer.function = verify_dl_startup;
563 add_timer(&local->timer);
565 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
567 } /* dl_startup_params */
569 /*===========================================================================*/
570 static void init_startup_params(ray_dev_t *local)
574 if (country > JAPAN_TEST)
576 else if (country < USA)
578 /* structure for hop time and beacon period is defined here using
579 * New 802.11D6.1 format. Card firmware is still using old format
582 * a_hop_time ms byte a_hop_time ms byte
583 * a_hop_time 2s byte a_hop_time ls byte
584 * a_hop_time ls byte a_beacon_period ms byte
585 * a_beacon_period a_beacon_period ls byte
587 * a_hop_time = uS a_hop_time = KuS
588 * a_beacon_period = hops a_beacon_period = KuS
589 *//* 64ms = 010000 */
590 if (local->fw_ver == 0x55) {
591 memcpy(&local->sparm.b4, b4_default_startup_parms,
592 sizeof(struct b4_startup_params));
593 /* Translate sane kus input values to old build 4/5 format */
594 /* i = hop time in uS truncated to 3 bytes */
595 i = (hop_dwell * 1024) & 0xffffff;
596 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
597 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
598 local->sparm.b4.a_beacon_period[0] = 0;
599 local->sparm.b4.a_beacon_period[1] =
600 ((beacon_period / hop_dwell) - 1) & 0xff;
601 local->sparm.b4.a_curr_country_code = country;
602 local->sparm.b4.a_hop_pattern_length =
603 hop_pattern_length[(int)country] - 1;
605 local->sparm.b4.a_ack_timeout = 0x50;
606 local->sparm.b4.a_sifs = 0x3f;
608 } else { /* Version 5 uses real kus values */
609 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
610 sizeof(struct b5_startup_params));
612 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
613 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
614 local->sparm.b5.a_beacon_period[0] =
615 (beacon_period >> 8) & 0xff;
616 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
618 local->sparm.b5.a_power_mgt_state = 1;
619 local->sparm.b5.a_curr_country_code = country;
620 local->sparm.b5.a_hop_pattern_length =
621 hop_pattern_length[(int)country];
624 local->sparm.b4.a_network_type = net_type & 0x01;
625 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
628 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
629 } /* init_startup_params */
631 /*===========================================================================*/
632 static void verify_dl_startup(struct timer_list *t)
634 ray_dev_t *local = from_timer(local, t, timer);
635 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
637 struct pcmcia_device *link = local->finder;
639 if (!(pcmcia_dev_present(link))) {
640 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
647 "verify_dl_startup parameters sent via ccs %d:\n",
648 local->dl_param_ccs);
649 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
651 (unsigned int)readb(local->sram +
652 HOST_TO_ECF_BASE + i));
658 status = readb(&pccs->buffer_status);
659 if (status != CCS_BUFFER_FREE) {
661 "Download startup params failed. Status = %d\n",
663 local->card_status = CARD_DL_PARAM_ERROR;
666 if (local->sparm.b4.a_network_type == ADHOC)
667 start_net(&local->timer);
669 join_net(&local->timer);
670 } /* end verify_dl_startup */
672 /*===========================================================================*/
673 /* Command card to start a network */
674 static void start_net(struct timer_list *t)
676 ray_dev_t *local = from_timer(local, t, timer);
677 struct ccs __iomem *pccs;
679 struct pcmcia_device *link = local->finder;
680 if (!(pcmcia_dev_present(link))) {
681 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
684 /* Fill in the CCS fields for the ECF */
685 if ((ccsindex = get_free_ccs(local)) < 0)
687 pccs = ccs_base(local) + ccsindex;
688 writeb(CCS_START_NETWORK, &pccs->cmd);
689 writeb(0, &pccs->var.start_network.update_param);
690 /* Interrupt the firmware to process the command */
691 if (interrupt_ecf(local, ccsindex)) {
692 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
693 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
696 local->card_status = CARD_DOING_ACQ;
697 } /* end start_net */
699 /*===========================================================================*/
700 /* Command card to join a network */
701 static void join_net(struct timer_list *t)
703 ray_dev_t *local = from_timer(local, t, timer);
705 struct ccs __iomem *pccs;
707 struct pcmcia_device *link = local->finder;
709 if (!(pcmcia_dev_present(link))) {
710 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
713 /* Fill in the CCS fields for the ECF */
714 if ((ccsindex = get_free_ccs(local)) < 0)
716 pccs = ccs_base(local) + ccsindex;
717 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
718 writeb(0, &pccs->var.join_network.update_param);
719 writeb(0, &pccs->var.join_network.net_initiated);
720 /* Interrupt the firmware to process the command */
721 if (interrupt_ecf(local, ccsindex)) {
722 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
723 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
726 local->card_status = CARD_DOING_ACQ;
730 static void ray_release(struct pcmcia_device *link)
732 struct net_device *dev = link->priv;
733 ray_dev_t *local = netdev_priv(dev);
735 dev_dbg(&link->dev, "ray_release\n");
737 del_timer(&local->timer);
739 iounmap(local->sram);
740 iounmap(local->rmem);
741 iounmap(local->amem);
742 pcmcia_disable_device(link);
744 dev_dbg(&link->dev, "ray_release ending\n");
747 static int ray_suspend(struct pcmcia_device *link)
749 struct net_device *dev = link->priv;
752 netif_device_detach(dev);
757 static int ray_resume(struct pcmcia_device *link)
759 struct net_device *dev = link->priv;
763 netif_device_attach(dev);
769 /*===========================================================================*/
770 static int ray_dev_init(struct net_device *dev)
772 #ifdef RAY_IMMEDIATE_INIT
774 #endif /* RAY_IMMEDIATE_INIT */
775 ray_dev_t *local = netdev_priv(dev);
776 struct pcmcia_device *link = local->finder;
778 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
779 if (!(pcmcia_dev_present(link))) {
780 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
783 #ifdef RAY_IMMEDIATE_INIT
784 /* Download startup parameters */
785 if ((i = dl_startup_params(dev)) < 0) {
786 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
787 "returns 0x%x\n", i);
790 #else /* RAY_IMMEDIATE_INIT */
791 /* Postpone the card init so that we can still configure the card,
792 * for example using the Wireless Extensions. The init will happen
793 * in ray_open() - Jean II */
795 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
797 #endif /* RAY_IMMEDIATE_INIT */
799 /* copy mac and broadcast addresses to linux device */
800 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
801 eth_broadcast_addr(dev->broadcast);
803 dev_dbg(&link->dev, "ray_dev_init ending\n");
807 /*===========================================================================*/
808 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
810 ray_dev_t *local = netdev_priv(dev);
811 struct pcmcia_device *link = local->finder;
812 /* Dummy routine to satisfy device structure */
813 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
814 if (!(pcmcia_dev_present(link))) {
815 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
822 /*===========================================================================*/
823 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
824 struct net_device *dev)
826 ray_dev_t *local = netdev_priv(dev);
827 struct pcmcia_device *link = local->finder;
828 short length = skb->len;
830 if (!pcmcia_dev_present(link)) {
831 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
836 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
837 if (local->authentication_state == NEED_TO_AUTH) {
838 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
839 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
840 local->authentication_state = AUTHENTICATED;
841 netif_stop_queue(dev);
842 return NETDEV_TX_BUSY;
846 if (length < ETH_ZLEN) {
847 if (skb_padto(skb, ETH_ZLEN))
851 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
854 netif_stop_queue(dev);
855 return NETDEV_TX_BUSY;
864 } /* ray_dev_start_xmit */
866 /*===========================================================================*/
867 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
870 ray_dev_t *local = netdev_priv(dev);
871 struct ccs __iomem *pccs;
874 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
875 short int addr; /* Address of xmit buffer in card space */
877 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
878 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
879 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
883 switch (ccsindex = get_free_tx_ccs(local)) {
885 pr_debug("ray_hw_xmit tx_ccs table busy\n");
888 pr_debug("ray_hw_xmit No free tx ccs\n");
891 netif_stop_queue(dev);
896 addr = TX_BUF_BASE + (ccsindex << 11);
898 if (msg_type == DATA_TYPE) {
899 local->stats.tx_bytes += len;
900 local->stats.tx_packets++;
903 ptx = local->sram + addr;
905 ray_build_header(local, ptx, msg_type, data);
907 offset = translate_frame(local, ptx, data, len);
908 } else { /* Encapsulate frame */
909 /* TBD TIB length will move address of ptx->var */
910 memcpy_toio(&ptx->var, data, len);
914 /* fill in the CCS */
915 pccs = ccs_base(local) + ccsindex;
916 len += TX_HEADER_LENGTH + offset;
917 writeb(CCS_TX_REQUEST, &pccs->cmd);
918 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
919 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
920 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
921 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
922 /* TBD still need psm_cam? */
923 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
924 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
925 writeb(0, &pccs->var.tx_request.antenna);
926 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
927 local->net_default_tx_rate);
929 /* Interrupt the firmware to process the command */
930 if (interrupt_ecf(local, ccsindex)) {
931 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
932 /* TBD very inefficient to copy packet to buffer, and then not
933 send it, but the alternative is to queue the messages and that
934 won't be done for a while. Maybe set tbusy until a CCS is free?
936 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
940 } /* end ray_hw_xmit */
942 /*===========================================================================*/
943 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
944 unsigned char *data, int len)
946 __be16 proto = ((struct ethhdr *)data)->h_proto;
947 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
948 pr_debug("ray_cs translate_frame DIX II\n");
949 /* Copy LLC header to card buffer */
950 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
951 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
952 (UCHAR *) &proto, 2);
953 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
954 /* This is the selective translation table, only 2 entries */
956 &((struct snaphdr_t __iomem *)ptx->var)->org[2]);
958 /* Copy body of ethernet packet without ethernet header */
959 memcpy_toio((void __iomem *)&ptx->var +
960 sizeof(struct snaphdr_t), data + ETH_HLEN,
962 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
963 } else { /* already 802 type, and proto is length */
964 pr_debug("ray_cs translate_frame 802\n");
965 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
966 pr_debug("ray_cs translate_frame evil IPX\n");
967 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
970 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
973 /* TBD do other frame types */
974 } /* end translate_frame */
976 /*===========================================================================*/
977 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
978 UCHAR msg_type, unsigned char *data)
980 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
981 /*** IEEE 802.11 Address field assignments *************
982 TODS FROMDS addr_1 addr_2 addr_3 addr_4
983 Adhoc 0 0 dest src (terminal) BSSID N/A
984 AP to Terminal 0 1 dest AP(BSSID) source N/A
985 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
986 AP to AP 1 1 dest AP src AP dest source
987 *******************************************************/
988 if (local->net_type == ADHOC) {
989 writeb(0, &ptx->mac.frame_ctl_2);
990 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
992 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
993 } else { /* infrastructure */
995 if (local->sparm.b4.a_acting_as_ap_status) {
996 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
997 memcpy_toio(ptx->mac.addr_1,
998 ((struct ethhdr *)data)->h_dest, ADDRLEN);
999 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1000 memcpy_toio(ptx->mac.addr_3,
1001 ((struct ethhdr *)data)->h_source, ADDRLEN);
1002 } else { /* Terminal */
1004 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1005 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1006 memcpy_toio(ptx->mac.addr_2,
1007 ((struct ethhdr *)data)->h_source, ADDRLEN);
1008 memcpy_toio(ptx->mac.addr_3,
1009 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1012 } /* end encapsulate_frame */
1014 /*====================================================================*/
1016 /*------------------------------------------------------------------*/
1018 * Wireless Handler : get protocol name
1020 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1021 union iwreq_data *wrqu, char *extra)
1023 strcpy(wrqu->name, "IEEE 802.11-FH");
1027 /*------------------------------------------------------------------*/
1029 * Wireless Handler : set frequency
1031 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1032 union iwreq_data *wrqu, char *extra)
1034 ray_dev_t *local = netdev_priv(dev);
1035 int err = -EINPROGRESS; /* Call commit handler */
1037 /* Reject if card is already initialised */
1038 if (local->card_status != CARD_AWAITING_PARAM)
1041 /* Setting by channel number */
1042 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1045 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1050 /*------------------------------------------------------------------*/
1052 * Wireless Handler : get frequency
1054 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1055 union iwreq_data *wrqu, char *extra)
1057 ray_dev_t *local = netdev_priv(dev);
1059 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1064 /*------------------------------------------------------------------*/
1066 * Wireless Handler : set ESSID
1068 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1069 union iwreq_data *wrqu, char *extra)
1071 ray_dev_t *local = netdev_priv(dev);
1073 /* Reject if card is already initialised */
1074 if (local->card_status != CARD_AWAITING_PARAM)
1077 /* Check if we asked for `any' */
1078 if (wrqu->essid.flags == 0)
1079 /* Corey : can you do that ? */
1082 /* Check the size of the string */
1083 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1086 /* Set the ESSID in the card */
1087 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1088 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1090 return -EINPROGRESS; /* Call commit handler */
1093 /*------------------------------------------------------------------*/
1095 * Wireless Handler : get ESSID
1097 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1098 union iwreq_data *wrqu, char *extra)
1100 ray_dev_t *local = netdev_priv(dev);
1101 UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1103 /* Get the essid that was set */
1104 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1105 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1106 tmp[IW_ESSID_MAX_SIZE] = '\0';
1109 wrqu->essid.length = strlen(tmp);
1110 wrqu->essid.flags = 1; /* active */
1115 /*------------------------------------------------------------------*/
1117 * Wireless Handler : get AP address
1119 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1120 union iwreq_data *wrqu, char *extra)
1122 ray_dev_t *local = netdev_priv(dev);
1124 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1125 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1130 /*------------------------------------------------------------------*/
1132 * Wireless Handler : set Bit-Rate
1134 static int ray_set_rate(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 /* Reject if card is already initialised */
1140 if (local->card_status != CARD_AWAITING_PARAM)
1143 /* Check if rate is in range */
1144 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1147 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1148 if ((local->fw_ver == 0x55) && /* Please check */
1149 (wrqu->bitrate.value == 2000000))
1150 local->net_default_tx_rate = 3;
1152 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1157 /*------------------------------------------------------------------*/
1159 * Wireless Handler : get Bit-Rate
1161 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1162 union iwreq_data *wrqu, char *extra)
1164 ray_dev_t *local = netdev_priv(dev);
1166 if (local->net_default_tx_rate == 3)
1167 wrqu->bitrate.value = 2000000; /* Hum... */
1169 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1170 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1175 /*------------------------------------------------------------------*/
1177 * Wireless Handler : set RTS threshold
1179 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1180 union iwreq_data *wrqu, char *extra)
1182 ray_dev_t *local = netdev_priv(dev);
1183 int rthr = wrqu->rts.value;
1185 /* Reject if card is already initialised */
1186 if (local->card_status != CARD_AWAITING_PARAM)
1189 /* if(wrq->u.rts.fixed == 0) we should complain */
1190 if (wrqu->rts.disabled)
1193 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1196 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1197 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1199 return -EINPROGRESS; /* Call commit handler */
1202 /*------------------------------------------------------------------*/
1204 * Wireless Handler : get RTS threshold
1206 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1207 union iwreq_data *wrqu, char *extra)
1209 ray_dev_t *local = netdev_priv(dev);
1211 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1212 + local->sparm.b5.a_rts_threshold[1];
1213 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1214 wrqu->rts.fixed = 1;
1219 /*------------------------------------------------------------------*/
1221 * Wireless Handler : set Fragmentation threshold
1223 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1224 union iwreq_data *wrqu, char *extra)
1226 ray_dev_t *local = netdev_priv(dev);
1227 int fthr = wrqu->frag.value;
1229 /* Reject if card is already initialised */
1230 if (local->card_status != CARD_AWAITING_PARAM)
1233 /* if(wrq->u.frag.fixed == 0) should complain */
1234 if (wrqu->frag.disabled)
1237 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1240 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1241 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1243 return -EINPROGRESS; /* Call commit handler */
1246 /*------------------------------------------------------------------*/
1248 * Wireless Handler : get Fragmentation threshold
1250 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1251 union iwreq_data *wrqu, char *extra)
1253 ray_dev_t *local = netdev_priv(dev);
1255 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1256 + local->sparm.b5.a_frag_threshold[1];
1257 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1258 wrqu->frag.fixed = 1;
1263 /*------------------------------------------------------------------*/
1265 * Wireless Handler : set Mode of Operation
1267 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1268 union iwreq_data *wrqu, char *extra)
1270 ray_dev_t *local = netdev_priv(dev);
1271 int err = -EINPROGRESS; /* Call commit handler */
1274 /* Reject if card is already initialised */
1275 if (local->card_status != CARD_AWAITING_PARAM)
1278 switch (wrqu->mode) {
1283 local->sparm.b5.a_network_type = card_mode;
1292 /*------------------------------------------------------------------*/
1294 * Wireless Handler : get Mode of Operation
1296 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1297 union iwreq_data *wrqu, char *extra)
1299 ray_dev_t *local = netdev_priv(dev);
1301 if (local->sparm.b5.a_network_type)
1302 wrqu->mode = IW_MODE_INFRA;
1304 wrqu->mode = IW_MODE_ADHOC;
1309 /*------------------------------------------------------------------*/
1311 * Wireless Handler : get range info
1313 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1314 union iwreq_data *wrqu, char *extra)
1316 struct iw_range *range = (struct iw_range *)extra;
1318 memset(range, 0, sizeof(struct iw_range));
1320 /* Set the length (very important for backward compatibility) */
1321 wrqu->data.length = sizeof(struct iw_range);
1323 /* Set the Wireless Extension versions */
1324 range->we_version_compiled = WIRELESS_EXT;
1325 range->we_version_source = 9;
1327 /* Set information in the range struct */
1328 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1329 range->num_channels = hop_pattern_length[(int)country];
1330 range->num_frequency = 0;
1331 range->max_qual.qual = 0;
1332 range->max_qual.level = 255; /* What's the correct value ? */
1333 range->max_qual.noise = 255; /* Idem */
1334 range->num_bitrates = 2;
1335 range->bitrate[0] = 1000000; /* 1 Mb/s */
1336 range->bitrate[1] = 2000000; /* 2 Mb/s */
1340 /*------------------------------------------------------------------*/
1342 * Wireless Private Handler : set framing mode
1344 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1345 union iwreq_data *wrqu, char *extra)
1347 translate = !!*(extra); /* Set framing mode */
1352 /*------------------------------------------------------------------*/
1354 * Wireless Private Handler : get framing mode
1356 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1357 union iwreq_data *wrqu, char *extra)
1359 *(extra) = translate;
1364 /*------------------------------------------------------------------*/
1366 * Wireless Private Handler : get country
1368 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1369 union iwreq_data *wrqu, char *extra)
1376 /*------------------------------------------------------------------*/
1378 * Commit handler : called after a bunch of SET operations
1380 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1381 union iwreq_data *wrqu, char *extra)
1386 /*------------------------------------------------------------------*/
1388 * Stats handler : return Wireless Stats
1390 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1392 ray_dev_t *local = netdev_priv(dev);
1393 struct pcmcia_device *link = local->finder;
1394 struct status __iomem *p = local->sram + STATUS_BASE;
1396 local->wstats.status = local->card_status;
1398 if ((local->spy_data.spy_number > 0)
1399 && (local->sparm.b5.a_network_type == 0)) {
1400 /* Get it from the first node in spy list */
1401 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1402 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1403 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1404 local->wstats.qual.updated =
1405 local->spy_data.spy_stat[0].updated;
1407 #endif /* WIRELESS_SPY */
1409 if (pcmcia_dev_present(link)) {
1410 local->wstats.qual.noise = readb(&p->rxnoise);
1411 local->wstats.qual.updated |= 4;
1414 return &local->wstats;
1415 } /* end ray_get_wireless_stats */
1417 /*------------------------------------------------------------------*/
1419 * Structures to export the Wireless Handlers
1422 static const iw_handler ray_handler[] = {
1423 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1424 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1425 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1426 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1427 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1428 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1429 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1431 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1432 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1433 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1434 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1435 #endif /* WIRELESS_SPY */
1436 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1437 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1438 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1439 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1440 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1441 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1442 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1443 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1444 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1447 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1448 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1449 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1451 static const iw_handler ray_private_handler[] = {
1452 [0] = ray_set_framing,
1453 [1] = ray_get_framing,
1454 [3] = ray_get_country,
1457 static const struct iw_priv_args ray_private_args[] = {
1458 /* cmd, set_args, get_args, name */
1459 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1461 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1463 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1467 static const struct iw_handler_def ray_handler_def = {
1468 .num_standard = ARRAY_SIZE(ray_handler),
1469 .num_private = ARRAY_SIZE(ray_private_handler),
1470 .num_private_args = ARRAY_SIZE(ray_private_args),
1471 .standard = ray_handler,
1472 .private = ray_private_handler,
1473 .private_args = ray_private_args,
1474 .get_wireless_stats = ray_get_wireless_stats,
1477 /*===========================================================================*/
1478 static int ray_open(struct net_device *dev)
1480 ray_dev_t *local = netdev_priv(dev);
1481 struct pcmcia_device *link;
1482 link = local->finder;
1484 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1486 if (link->open == 0)
1487 local->num_multi = 0;
1490 /* If the card is not started, time to start it ! - Jean II */
1491 if (local->card_status == CARD_AWAITING_PARAM) {
1494 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1496 /* Download startup parameters */
1497 if ((i = dl_startup_params(dev)) < 0) {
1499 "ray_dev_init dl_startup_params failed - "
1500 "returns 0x%x\n", i);
1506 netif_stop_queue(dev);
1508 netif_start_queue(dev);
1510 dev_dbg(&link->dev, "ray_open ending\n");
1512 } /* end ray_open */
1514 /*===========================================================================*/
1515 static int ray_dev_close(struct net_device *dev)
1517 ray_dev_t *local = netdev_priv(dev);
1518 struct pcmcia_device *link;
1519 link = local->finder;
1521 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1524 netif_stop_queue(dev);
1526 /* In here, we should stop the hardware (stop card from beeing active)
1527 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1528 * card is closed we can chage its configuration.
1529 * Probably also need a COR reset to get sane state - Jean II */
1532 } /* end ray_dev_close */
1534 /*===========================================================================*/
1535 static void ray_reset(struct net_device *dev)
1537 pr_debug("ray_reset entered\n");
1540 /*===========================================================================*/
1541 /* Cause a firmware interrupt if it is ready for one */
1542 /* Return nonzero if not ready */
1543 static int interrupt_ecf(ray_dev_t *local, int ccs)
1546 struct pcmcia_device *link = local->finder;
1548 if (!(pcmcia_dev_present(link))) {
1549 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1552 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1555 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1559 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1562 /* Fill the mailbox, then kick the card */
1563 writeb(ccs, local->sram + SCB_BASE);
1564 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1566 } /* interrupt_ecf */
1568 /*===========================================================================*/
1569 /* Get next free transmit CCS */
1570 /* Return - index of current tx ccs */
1571 static int get_free_tx_ccs(ray_dev_t *local)
1574 struct ccs __iomem *pccs = ccs_base(local);
1575 struct pcmcia_device *link = local->finder;
1577 if (!(pcmcia_dev_present(link))) {
1578 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1582 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1583 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1587 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1588 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1589 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1590 writeb(CCS_END_LIST, &(pccs + i)->link);
1591 local->tx_ccs_lock = 0;
1595 local->tx_ccs_lock = 0;
1596 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1598 } /* get_free_tx_ccs */
1600 /*===========================================================================*/
1601 /* Get next free CCS */
1602 /* Return - index of current ccs */
1603 static int get_free_ccs(ray_dev_t *local)
1606 struct ccs __iomem *pccs = ccs_base(local);
1607 struct pcmcia_device *link = local->finder;
1609 if (!(pcmcia_dev_present(link))) {
1610 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1613 if (test_and_set_bit(0, &local->ccs_lock)) {
1614 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1618 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1619 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1620 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1621 writeb(CCS_END_LIST, &(pccs + i)->link);
1622 local->ccs_lock = 0;
1626 local->ccs_lock = 0;
1627 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1629 } /* get_free_ccs */
1631 /*===========================================================================*/
1632 static void authenticate_timeout(struct timer_list *t)
1634 ray_dev_t *local = from_timer(local, t, timer);
1635 del_timer(&local->timer);
1636 printk(KERN_INFO "ray_cs Authentication with access point failed"
1638 join_net(&local->timer);
1641 /*===========================================================================*/
1642 static int parse_addr(char *in_str, UCHAR *out)
1650 if ((len = strlen(in_str)) < 2)
1652 memset(out, 0, ADDRLEN);
1661 if ((k = hex_to_bin(in_str[j--])) != -1)
1668 if ((k = hex_to_bin(in_str[j--])) != -1)
1678 /*===========================================================================*/
1679 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1681 ray_dev_t *local = netdev_priv(dev);
1682 struct pcmcia_device *link = local->finder;
1683 struct status __iomem *p = local->sram + STATUS_BASE;
1684 if (!(pcmcia_dev_present(link))) {
1685 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1686 return &local->stats;
1688 if (readb(&p->mrx_overflow_for_host)) {
1689 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1690 writeb(0, &p->mrx_overflow);
1691 writeb(0, &p->mrx_overflow_for_host);
1693 if (readb(&p->mrx_checksum_error_for_host)) {
1694 local->stats.rx_crc_errors +=
1695 swab16(readw(&p->mrx_checksum_error));
1696 writeb(0, &p->mrx_checksum_error);
1697 writeb(0, &p->mrx_checksum_error_for_host);
1699 if (readb(&p->rx_hec_error_for_host)) {
1700 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1701 writeb(0, &p->rx_hec_error);
1702 writeb(0, &p->rx_hec_error_for_host);
1704 return &local->stats;
1707 /*===========================================================================*/
1708 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1711 ray_dev_t *local = netdev_priv(dev);
1712 struct pcmcia_device *link = local->finder;
1715 struct ccs __iomem *pccs;
1717 if (!(pcmcia_dev_present(link))) {
1718 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1722 if ((ccsindex = get_free_ccs(local)) < 0) {
1723 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1726 pccs = ccs_base(local) + ccsindex;
1727 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1728 writeb(objid, &pccs->var.update_param.object_id);
1729 writeb(1, &pccs->var.update_param.number_objects);
1730 writeb(0, &pccs->var.update_param.failure_cause);
1731 for (i = 0; i < len; i++) {
1732 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1734 /* Interrupt the firmware to process the command */
1735 if (interrupt_ecf(local, ccsindex)) {
1736 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1737 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1741 /*===========================================================================*/
1742 static void ray_update_multi_list(struct net_device *dev, int all)
1745 struct ccs __iomem *pccs;
1746 ray_dev_t *local = netdev_priv(dev);
1747 struct pcmcia_device *link = local->finder;
1748 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1750 if (!(pcmcia_dev_present(link))) {
1751 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1754 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1755 if ((ccsindex = get_free_ccs(local)) < 0) {
1756 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1759 pccs = ccs_base(local) + ccsindex;
1760 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1763 writeb(0xff, &pccs->var);
1764 local->num_multi = 0xff;
1766 struct netdev_hw_addr *ha;
1769 /* Copy the kernel's list of MC addresses to card */
1770 netdev_for_each_mc_addr(ha, dev) {
1771 memcpy_toio(p, ha->addr, ETH_ALEN);
1772 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1777 if (i > 256 / ADDRLEN)
1779 writeb((UCHAR) i, &pccs->var);
1780 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1781 /* Interrupt the firmware to process the command */
1782 local->num_multi = i;
1784 if (interrupt_ecf(local, ccsindex)) {
1786 "ray_cs update_multi failed - ECF not ready for intr\n");
1787 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1789 } /* end ray_update_multi_list */
1791 /*===========================================================================*/
1792 static void set_multicast_list(struct net_device *dev)
1794 ray_dev_t *local = netdev_priv(dev);
1797 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1799 if (dev->flags & IFF_PROMISC) {
1800 if (local->sparm.b5.a_promiscuous_mode == 0) {
1801 pr_debug("ray_cs set_multicast_list promisc on\n");
1802 local->sparm.b5.a_promiscuous_mode = 1;
1804 ray_update_parm(dev, OBJID_promiscuous_mode,
1805 &promisc, sizeof(promisc));
1808 if (local->sparm.b5.a_promiscuous_mode == 1) {
1809 pr_debug("ray_cs set_multicast_list promisc off\n");
1810 local->sparm.b5.a_promiscuous_mode = 0;
1812 ray_update_parm(dev, OBJID_promiscuous_mode,
1813 &promisc, sizeof(promisc));
1817 if (dev->flags & IFF_ALLMULTI)
1818 ray_update_multi_list(dev, 1);
1820 if (local->num_multi != netdev_mc_count(dev))
1821 ray_update_multi_list(dev, 0);
1823 } /* end set_multicast_list */
1825 /*=============================================================================
1826 * All routines below here are run at interrupt time.
1827 =============================================================================*/
1828 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1830 struct net_device *dev = (struct net_device *)dev_id;
1831 struct pcmcia_device *link;
1833 struct ccs __iomem *pccs;
1834 struct rcs __iomem *prcs;
1839 UCHAR memtmp[ESSID_SIZE + 1];
1842 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1845 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1847 local = netdev_priv(dev);
1848 link = local->finder;
1849 if (!pcmcia_dev_present(link)) {
1851 "ray_cs interrupt from device not present or suspended.\n");
1854 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1856 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1857 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1858 clear_interrupt(local);
1861 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1862 pccs = ccs_base(local) + rcsindex;
1863 cmd = readb(&pccs->cmd);
1864 status = readb(&pccs->buffer_status);
1866 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1867 del_timer(&local->timer);
1868 if (status == CCS_COMMAND_COMPLETE) {
1870 "ray_cs interrupt download_startup_parameters OK\n");
1873 "ray_cs interrupt download_startup_parameters fail\n");
1876 case CCS_UPDATE_PARAMS:
1877 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1878 if (status != CCS_COMMAND_COMPLETE) {
1880 readb(&pccs->var.update_param.
1883 "ray_cs interrupt update params failed - reason %d\n",
1887 case CCS_REPORT_PARAMS:
1888 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1890 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1892 "ray_cs interrupt CCS Update Multicast List done\n");
1894 case CCS_UPDATE_POWER_SAVINGS_MODE:
1896 "ray_cs interrupt update power save mode done\n");
1898 case CCS_START_NETWORK:
1899 case CCS_JOIN_NETWORK:
1900 memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1902 memtmp[ESSID_SIZE] = '\0';
1904 if (status == CCS_COMMAND_COMPLETE) {
1906 (&pccs->var.start_network.net_initiated) ==
1909 "ray_cs interrupt network \"%s\" started\n",
1913 "ray_cs interrupt network \"%s\" joined\n",
1916 memcpy_fromio(&local->bss_id,
1917 pccs->var.start_network.bssid,
1920 if (local->fw_ver == 0x55)
1921 local->net_default_tx_rate = 3;
1923 local->net_default_tx_rate =
1924 readb(&pccs->var.start_network.
1925 net_default_tx_rate);
1927 readb(&pccs->var.start_network.encryption);
1928 if (!sniffer && (local->net_type == INFRA)
1929 && !(local->sparm.b4.a_acting_as_ap_status)) {
1930 authenticate(local);
1932 local->card_status = CARD_ACQ_COMPLETE;
1934 local->card_status = CARD_ACQ_FAILED;
1936 del_timer(&local->timer);
1937 local->timer.expires = jiffies + HZ * 5;
1938 if (status == CCS_START_NETWORK) {
1940 "ray_cs interrupt network \"%s\" start failed\n",
1942 local->timer.function = start_net;
1945 "ray_cs interrupt network \"%s\" join failed\n",
1947 local->timer.function = join_net;
1949 add_timer(&local->timer);
1952 case CCS_START_ASSOCIATION:
1953 if (status == CCS_COMMAND_COMPLETE) {
1954 local->card_status = CARD_ASSOC_COMPLETE;
1955 dev_dbg(&link->dev, "ray_cs association successful\n");
1957 dev_dbg(&link->dev, "ray_cs association failed,\n");
1958 local->card_status = CARD_ASSOC_FAILED;
1959 join_net(&local->timer);
1962 case CCS_TX_REQUEST:
1963 if (status == CCS_COMMAND_COMPLETE) {
1965 "ray_cs interrupt tx request complete\n");
1968 "ray_cs interrupt tx request failed\n");
1971 netif_start_queue(dev);
1972 netif_wake_queue(dev);
1974 case CCS_TEST_MEMORY:
1975 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
1979 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
1981 case CCS_DUMP_MEMORY:
1982 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
1984 case CCS_START_TIMER:
1986 "ray_cs interrupt DING - raylink timer expired\n");
1990 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
1993 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1994 } else { /* It's an RCS */
1996 prcs = rcs_base(local) + rcsindex;
1998 switch (readb(&prcs->interrupt_id)) {
1999 case PROCESS_RX_PACKET:
2000 ray_rx(dev, local, prcs);
2002 case REJOIN_NET_COMPLETE:
2003 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2004 local->card_status = CARD_ACQ_COMPLETE;
2005 /* do we need to clear tx buffers CCS's? */
2006 if (local->sparm.b4.a_network_type == ADHOC) {
2008 netif_start_queue(dev);
2010 memcpy_fromio(&local->bss_id,
2011 prcs->var.rejoin_net_complete.
2013 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2016 authenticate(local);
2019 case ROAMING_INITIATED:
2020 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2021 netif_stop_queue(dev);
2022 local->card_status = CARD_DOING_ACQ;
2024 case JAPAN_CALL_SIGN_RXD:
2025 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2029 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2031 (unsigned int)readb(&prcs->interrupt_id));
2034 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2036 clear_interrupt(local);
2038 } /* ray_interrupt */
2040 /*===========================================================================*/
2041 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2042 struct rcs __iomem *prcs)
2045 unsigned int pkt_addr;
2047 pr_debug("ray_rx process rx packet\n");
2049 /* Calculate address of packet within Rx buffer */
2050 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2051 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2052 /* Length of first packet fragment */
2053 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2054 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2056 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2057 pmsg = local->rmem + pkt_addr;
2058 switch (readb(pmsg)) {
2060 pr_debug("ray_rx data type\n");
2061 rx_data(dev, prcs, pkt_addr, rx_len);
2063 case AUTHENTIC_TYPE:
2064 pr_debug("ray_rx authentic type\n");
2066 rx_data(dev, prcs, pkt_addr, rx_len);
2068 rx_authenticate(local, prcs, pkt_addr, rx_len);
2070 case DEAUTHENTIC_TYPE:
2071 pr_debug("ray_rx deauth type\n");
2073 rx_data(dev, prcs, pkt_addr, rx_len);
2075 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2078 pr_debug("ray_cs rx NULL msg\n");
2081 pr_debug("ray_rx beacon type\n");
2083 rx_data(dev, prcs, pkt_addr, rx_len);
2085 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2086 rx_len < sizeof(struct beacon_rx) ?
2087 rx_len : sizeof(struct beacon_rx));
2089 local->beacon_rxed = 1;
2090 /* Get the statistics so the card counters never overflow */
2094 pr_debug("ray_cs unknown pkt type %2x\n",
2095 (unsigned int)readb(pmsg));
2101 /*===========================================================================*/
2102 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2103 unsigned int pkt_addr, int rx_len)
2105 struct sk_buff *skb = NULL;
2106 struct rcs __iomem *prcslink = prcs;
2107 ray_dev_t *local = netdev_priv(dev);
2112 int siglev = local->last_rsl;
2113 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2118 /* TBD length needs fixing for translated header */
2119 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2121 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2124 "ray_cs invalid packet length %d received\n",
2128 } else { /* encapsulated ethernet */
2130 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2132 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2135 "ray_cs invalid packet length %d received\n",
2141 pr_debug("ray_cs rx_data packet\n");
2142 /* If fragmented packet, verify sizes of fragments add up */
2143 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2144 pr_debug("ray_cs rx'ed fragment\n");
2145 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2146 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2151 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2153 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2154 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2157 prcslink = rcs_base(local)
2158 + readb(&prcslink->link_field);
2163 "ray_cs rx_data fragment lengths don't add up\n");
2164 local->stats.rx_dropped++;
2165 release_frag_chain(local, prcs);
2168 } else { /* Single unfragmented packet */
2172 skb = dev_alloc_skb(total_len + 5);
2174 pr_debug("ray_cs rx_data could not allocate skb\n");
2175 local->stats.rx_dropped++;
2176 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2177 release_frag_chain(local, prcs);
2180 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2182 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2185 /************************/
2186 /* Reserve enough room for the whole damn packet. */
2187 rx_ptr = skb_put(skb, total_len);
2188 /* Copy the whole packet to sk_buff */
2190 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2191 /* Get source address */
2193 skb_copy_from_linear_data_offset(skb,
2194 offsetof(struct mac_header, addr_2),
2195 linksrcaddr, ETH_ALEN);
2197 /* Now, deal with encapsulation/translation/sniffer */
2200 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2201 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2202 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2204 /* Do translation */
2205 untranslate(local, skb, total_len);
2207 } else { /* sniffer mode, so just pass whole packet */
2210 /************************/
2211 /* Now pick up the rest of the fragments if any */
2213 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2215 pr_debug("ray_cs rx_data in fragment loop\n");
2217 prcslink = rcs_base(local)
2219 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2221 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2224 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2227 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2229 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2233 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2236 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2238 release_frag_chain(local, prcs);
2241 skb->protocol = eth_type_trans(skb, dev);
2243 local->stats.rx_packets++;
2244 local->stats.rx_bytes += total_len;
2246 /* Gather signal strength per address */
2248 /* For the Access Point or the node having started the ad-hoc net
2249 * note : ad-hoc work only in some specific configurations, but we
2250 * kludge in ray_get_wireless_stats... */
2251 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2252 /* Update statistics */
2253 /*local->wstats.qual.qual = none ? */
2254 local->wstats.qual.level = siglev;
2255 /*local->wstats.qual.noise = none ? */
2256 local->wstats.qual.updated = 0x2;
2258 /* Now, update the spy stuff */
2260 struct iw_quality wstats;
2261 wstats.level = siglev;
2262 /* wstats.noise = none ? */
2263 /* wstats.qual = none ? */
2264 wstats.updated = 0x2;
2265 /* Update spy records */
2266 wireless_spy_update(dev, linksrcaddr, &wstats);
2268 #endif /* WIRELESS_SPY */
2271 /*===========================================================================*/
2272 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2274 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2275 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2276 __be16 type = *(__be16 *) psnap->ethertype;
2278 struct ethhdr *peth;
2279 UCHAR srcaddr[ADDRLEN];
2280 UCHAR destaddr[ADDRLEN];
2281 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2282 static const UCHAR org_1042[3] = { 0, 0, 0 };
2284 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2285 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2289 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2290 DUMP_PREFIX_NONE, 16, 1,
2291 skb->data, 64, true);
2293 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2294 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2295 psnap->org[0], psnap->org[1], psnap->org[2]);
2296 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2300 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2301 /* not a snap type so leave it alone */
2302 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2303 psnap->dsap, psnap->ssap, psnap->ctrl);
2305 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2306 peth = (struct ethhdr *)(skb->data + delta);
2307 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2308 } else { /* Its a SNAP */
2309 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2310 /* EtherII and nuke the LLC */
2311 pr_debug("ray_cs untranslate Bridge encap\n");
2312 delta = RX_MAC_HEADER_LENGTH
2313 + sizeof(struct snaphdr_t) - ETH_HLEN;
2314 peth = (struct ethhdr *)(skb->data + delta);
2315 peth->h_proto = type;
2316 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2317 switch (ntohs(type)) {
2320 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2321 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2322 peth = (struct ethhdr *)(skb->data + delta);
2324 htons(len - RX_MAC_HEADER_LENGTH);
2327 pr_debug("ray_cs untranslate RFC default\n");
2328 delta = RX_MAC_HEADER_LENGTH +
2329 sizeof(struct snaphdr_t) - ETH_HLEN;
2330 peth = (struct ethhdr *)(skb->data + delta);
2331 peth->h_proto = type;
2335 printk("ray_cs untranslate very confused by packet\n");
2336 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2337 peth = (struct ethhdr *)(skb->data + delta);
2338 peth->h_proto = type;
2341 /* TBD reserve skb_reserve(skb, delta); */
2342 skb_pull(skb, delta);
2343 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2345 memcpy(peth->h_dest, destaddr, ADDRLEN);
2346 memcpy(peth->h_source, srcaddr, ADDRLEN);
2350 printk(KERN_DEBUG "skb->data after untranslate:");
2351 for (i = 0; i < 64; i++)
2352 printk("%02x ", skb->data[i]);
2356 } /* end untranslate */
2358 /*===========================================================================*/
2359 /* Copy data from circular receive buffer to PC memory.
2360 * dest = destination address in PC memory
2361 * pkt_addr = source address in receive buffer
2362 * len = length of packet to copy
2364 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2367 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2368 if (wrap_bytes <= 0) {
2369 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2370 } else { /* Packet wrapped in circular buffer */
2372 memcpy_fromio(dest, local->rmem + pkt_addr,
2373 length - wrap_bytes);
2374 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2380 /*===========================================================================*/
2381 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2383 struct rcs __iomem *prcslink = prcs;
2385 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2388 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2389 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2390 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2394 prcslink = rcs_base(local) + rcsindex;
2395 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2397 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2400 /*===========================================================================*/
2401 static void authenticate(ray_dev_t *local)
2403 struct pcmcia_device *link = local->finder;
2404 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2405 if (!(pcmcia_dev_present(link))) {
2406 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2410 del_timer(&local->timer);
2411 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2412 local->timer.function = join_net;
2414 local->timer.function = authenticate_timeout;
2416 local->timer.expires = jiffies + HZ * 2;
2417 add_timer(&local->timer);
2418 local->authentication_state = AWAITING_RESPONSE;
2419 } /* end authenticate */
2421 /*===========================================================================*/
2422 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2423 unsigned int pkt_addr, int rx_len)
2426 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2428 del_timer(&local->timer);
2430 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2431 /* if we are trying to get authenticated */
2432 if (local->sparm.b4.a_network_type == ADHOC) {
2433 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2434 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2435 msg->var[4], msg->var[5]);
2436 if (msg->var[2] == 1) {
2437 pr_debug("ray_cs Sending authentication response.\n");
2438 if (!build_auth_frame
2439 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2440 local->authentication_state = NEED_TO_AUTH;
2441 memcpy(local->auth_id, msg->mac.addr_2,
2445 } else { /* Infrastructure network */
2447 if (local->authentication_state == AWAITING_RESPONSE) {
2448 /* Verify authentication sequence #2 and success */
2449 if (msg->var[2] == 2) {
2450 if ((msg->var[3] | msg->var[4]) == 0) {
2451 pr_debug("Authentication successful\n");
2452 local->card_status = CARD_AUTH_COMPLETE;
2454 local->authentication_state =
2457 pr_debug("Authentication refused\n");
2458 local->card_status = CARD_AUTH_REFUSED;
2459 join_net(&local->timer);
2460 local->authentication_state =
2467 } /* end rx_authenticate */
2469 /*===========================================================================*/
2470 static void associate(ray_dev_t *local)
2472 struct ccs __iomem *pccs;
2473 struct pcmcia_device *link = local->finder;
2474 struct net_device *dev = link->priv;
2476 if (!(pcmcia_dev_present(link))) {
2477 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2480 /* If no tx buffers available, return */
2481 if ((ccsindex = get_free_ccs(local)) < 0) {
2482 /* TBD should never be here but... what if we are? */
2483 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2486 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2487 pccs = ccs_base(local) + ccsindex;
2488 /* fill in the CCS */
2489 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2490 /* Interrupt the firmware to process the command */
2491 if (interrupt_ecf(local, ccsindex)) {
2492 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2493 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2495 del_timer(&local->timer);
2496 local->timer.expires = jiffies + HZ * 2;
2497 local->timer.function = join_net;
2498 add_timer(&local->timer);
2499 local->card_status = CARD_ASSOC_FAILED;
2503 netif_start_queue(dev);
2505 } /* end associate */
2507 /*===========================================================================*/
2508 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2509 unsigned int pkt_addr, int rx_len)
2512 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2514 pr_debug("Deauthentication frame received\n");
2515 local->authentication_state = UNAUTHENTICATED;
2516 /* Need to reauthenticate or rejoin depending on reason code */
2517 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2521 /*===========================================================================*/
2522 static void clear_interrupt(ray_dev_t *local)
2524 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2527 /*===========================================================================*/
2528 #ifdef CONFIG_PROC_FS
2529 #define MAXDATA (PAGE_SIZE - 80)
2531 static const char *card_status[] = {
2532 "Card inserted - uninitialized", /* 0 */
2533 "Card not downloaded", /* 1 */
2534 "Waiting for download parameters", /* 2 */
2535 "Card doing acquisition", /* 3 */
2536 "Acquisition complete", /* 4 */
2537 "Authentication complete", /* 5 */
2538 "Association complete", /* 6 */
2539 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2540 "Card init error", /* 11 */
2541 "Download parameters error", /* 12 */
2543 "Acquisition failed", /* 14 */
2544 "Authentication refused", /* 15 */
2545 "Association failed" /* 16 */
2548 static const char *nettype[] = { "Adhoc", "Infra " };
2549 static const char *framing[] = { "Encapsulation", "Translation" }
2552 /*===========================================================================*/
2553 static int ray_cs_proc_show(struct seq_file *m, void *v)
2555 /* Print current values which are not available via other means
2559 struct pcmcia_device *link;
2560 struct net_device *dev;
2563 struct freq_hop_element *pfh;
2569 dev = (struct net_device *)link->priv;
2572 local = netdev_priv(dev);
2576 seq_puts(m, "Raylink Wireless LAN driver status\n");
2577 seq_printf(m, "%s\n", rcsid);
2578 /* build 4 does not report version, and field is 0x55 after memtest */
2579 seq_puts(m, "Firmware version = ");
2580 if (local->fw_ver == 0x55)
2581 seq_puts(m, "4 - Use dump_cis for more details\n");
2583 seq_printf(m, "%2d.%02d.%02d\n",
2584 local->fw_ver, local->fw_bld, local->fw_var);
2586 for (i = 0; i < 32; i++)
2587 c[i] = local->sparm.b5.a_current_ess_id[i];
2589 seq_printf(m, "%s network ESSID = \"%s\"\n",
2590 nettype[local->sparm.b5.a_network_type], c);
2593 seq_printf(m, "BSSID = %pM\n", p);
2595 seq_printf(m, "Country code = %d\n",
2596 local->sparm.b5.a_curr_country_code);
2598 i = local->card_status;
2603 seq_printf(m, "Card status = %s\n", card_status[i]);
2605 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2607 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2609 if (local->beacon_rxed) {
2610 /* Pull some fields out of last beacon received */
2611 seq_printf(m, "Beacon Interval = %d Kus\n",
2612 local->last_bcn.beacon_intvl[0]
2613 + 256 * local->last_bcn.beacon_intvl[1]);
2615 p = local->last_bcn.elements;
2616 if (p[0] == C_ESSID_ELEMENT_ID)
2620 "Parse beacon failed at essid element id = %d\n",
2625 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2626 seq_puts(m, "Supported rate codes = ");
2627 for (i = 2; i < p[1] + 2; i++)
2628 seq_printf(m, "0x%02x ", p[i]);
2632 seq_puts(m, "Parse beacon failed at rates element\n");
2636 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2637 pfh = (struct freq_hop_element *)p;
2638 seq_printf(m, "Hop dwell = %d Kus\n",
2639 pfh->dwell_time[0] +
2640 256 * pfh->dwell_time[1]);
2641 seq_printf(m, "Hop set = %d\n",
2643 seq_printf(m, "Hop pattern = %d\n",
2645 seq_printf(m, "Hop index = %d\n",
2650 "Parse beacon failed at FH param element\n");
2654 seq_puts(m, "No beacons received\n");
2659 /*===========================================================================*/
2660 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2663 struct ccs __iomem *pccs;
2664 struct tx_msg __iomem *ptx;
2667 /* If no tx buffers available, return */
2668 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2669 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2673 pccs = ccs_base(local) + ccsindex;
2675 /* Address in card space */
2676 addr = TX_BUF_BASE + (ccsindex << 11);
2677 /* fill in the CCS */
2678 writeb(CCS_TX_REQUEST, &pccs->cmd);
2679 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2680 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2681 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2682 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2683 pccs->var.tx_request.tx_data_length + 1);
2684 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2686 ptx = local->sram + addr;
2687 /* fill in the mac header */
2688 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2689 writeb(0, &ptx->mac.frame_ctl_2);
2691 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2692 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2693 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2695 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2696 memset_io(ptx->var, 0, 6);
2697 writeb(auth_type & 0xff, ptx->var + 2);
2699 /* Interrupt the firmware to process the command */
2700 if (interrupt_ecf(local, ccsindex)) {
2702 "ray_cs send authentication request failed - ECF not ready for intr\n");
2703 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2707 } /* End build_auth_frame */
2709 /*===========================================================================*/
2710 #ifdef CONFIG_PROC_FS
2711 static ssize_t ray_cs_essid_proc_write(struct file *file,
2712 const char __user *buffer, size_t count, loff_t *pos)
2714 static char proc_essid[33];
2715 unsigned int len = count;
2719 memset(proc_essid, 0, 33);
2720 if (copy_from_user(proc_essid, buffer, len))
2726 static const struct proc_ops ray_cs_essid_proc_ops = {
2727 .proc_write = ray_cs_essid_proc_write,
2728 .proc_lseek = noop_llseek,
2731 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2732 size_t count, loff_t *pos)
2734 static char proc_number[10];
2743 if (copy_from_user(proc_number, buffer, count))
2749 unsigned int c = *p - '0';
2755 *(int *)PDE_DATA(file_inode(file)) = nr;
2759 static const struct proc_ops int_proc_ops = {
2760 .proc_write = int_proc_write,
2761 .proc_lseek = noop_llseek,
2765 static const struct pcmcia_device_id ray_ids[] = {
2766 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2770 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2772 static struct pcmcia_driver ray_driver = {
2773 .owner = THIS_MODULE,
2776 .remove = ray_detach,
2777 .id_table = ray_ids,
2778 .suspend = ray_suspend,
2779 .resume = ray_resume,
2782 static int __init init_ray_cs(void)
2786 pr_debug("%s\n", rcsid);
2787 rc = pcmcia_register_driver(&ray_driver);
2788 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2793 #ifdef CONFIG_PROC_FS
2794 proc_mkdir("driver/ray_cs", NULL);
2796 proc_create_single("driver/ray_cs/ray_cs", 0, NULL, ray_cs_proc_show);
2797 proc_create("driver/ray_cs/essid", 0200, NULL, &ray_cs_essid_proc_ops);
2798 proc_create_data("driver/ray_cs/net_type", 0200, NULL, &int_proc_ops,
2800 proc_create_data("driver/ray_cs/translate", 0200, NULL, &int_proc_ops,
2803 translate = !!translate;
2807 /*===========================================================================*/
2809 static void __exit exit_ray_cs(void)
2811 pr_debug("ray_cs: cleanup_module\n");
2813 #ifdef CONFIG_PROC_FS
2814 remove_proc_subtree("driver/ray_cs", NULL);
2817 pcmcia_unregister_driver(&ray_driver);
2820 module_init(init_ray_cs);
2821 module_exit(exit_ray_cs);
2823 /*===========================================================================*/