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]));
386 /*** Set up 16k window for shared memory (receive buffer) ***************/
387 link->resource[3]->flags |=
388 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
389 link->resource[3]->start = 0;
390 link->resource[3]->end = 0x4000;
391 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
394 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
397 local->rmem = ioremap(link->resource[3]->start,
398 resource_size(link->resource[3]));
400 /*** Set up window for attribute memory ***********************************/
401 link->resource[4]->flags |=
402 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
403 link->resource[4]->start = 0;
404 link->resource[4]->end = 0x1000;
405 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
408 ret = pcmcia_map_mem_page(link, link->resource[4], 0);
411 local->amem = ioremap(link->resource[4]->start,
412 resource_size(link->resource[4]));
414 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
415 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
416 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
417 if (ray_init(dev) < 0) {
422 SET_NETDEV_DEV(dev, &link->dev);
423 i = register_netdev(dev);
425 printk("ray_config register_netdev() failed\n");
430 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
431 dev->name, dev->irq, dev->dev_addr);
440 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
442 return dev->sram + CCS_BASE;
445 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
448 * This looks nonsensical, since there is a separate
449 * RCS_BASE. But the difference between a "struct rcs"
450 * and a "struct ccs" ends up being in the _index_ off
451 * the base, so the base pointer is the same for both
454 return dev->sram + CCS_BASE;
457 /*===========================================================================*/
458 static int ray_init(struct net_device *dev)
461 struct ccs __iomem *pccs;
462 ray_dev_t *local = netdev_priv(dev);
463 struct pcmcia_device *link = local->finder;
464 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
465 if (!(pcmcia_dev_present(link))) {
466 dev_dbg(&link->dev, "ray_init - device not present\n");
470 local->net_type = net_type;
471 local->sta_type = TYPE_STA;
473 /* Copy the startup results to local memory */
474 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
475 sizeof(struct startup_res_6));
477 /* Check Power up test status and get mac address from card */
478 if (local->startup_res.startup_word != 0x80) {
479 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
480 local->startup_res.startup_word);
481 local->card_status = CARD_INIT_ERROR;
485 local->fw_ver = local->startup_res.firmware_version[0];
486 local->fw_bld = local->startup_res.firmware_version[1];
487 local->fw_var = local->startup_res.firmware_version[2];
488 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
491 local->tib_length = 0x20;
492 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
493 local->tib_length = local->startup_res.tib_length;
494 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
495 /* Initialize CCS's to buffer free state */
496 pccs = ccs_base(local);
497 for (i = 0; i < NUMBER_OF_CCS; i++) {
498 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
500 init_startup_params(local);
502 /* copy mac address to startup parameters */
503 if (!parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
504 memcpy(&local->sparm.b4.a_mac_addr,
505 &local->startup_res.station_addr, ADDRLEN);
508 clear_interrupt(local); /* Clear any interrupt from the card */
509 local->card_status = CARD_AWAITING_PARAM;
510 dev_dbg(&link->dev, "ray_init ending\n");
514 /*===========================================================================*/
515 /* Download startup parameters to the card and command it to read them */
516 static int dl_startup_params(struct net_device *dev)
519 ray_dev_t *local = netdev_priv(dev);
520 struct ccs __iomem *pccs;
521 struct pcmcia_device *link = local->finder;
523 dev_dbg(&link->dev, "dl_startup_params entered\n");
524 if (!(pcmcia_dev_present(link))) {
525 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
529 /* Copy parameters to host to ECF area */
530 if (local->fw_ver == 0x55)
531 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
532 sizeof(struct b4_startup_params));
534 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
535 sizeof(struct b5_startup_params));
537 /* Fill in the CCS fields for the ECF */
538 if ((ccsindex = get_free_ccs(local)) < 0)
540 local->dl_param_ccs = ccsindex;
541 pccs = ccs_base(local) + ccsindex;
542 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
543 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
544 local->dl_param_ccs);
545 /* Interrupt the firmware to process the command */
546 if (interrupt_ecf(local, ccsindex)) {
547 printk(KERN_INFO "ray dl_startup_params failed - "
548 "ECF not ready for intr\n");
549 local->card_status = CARD_DL_PARAM_ERROR;
550 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
553 local->card_status = CARD_DL_PARAM;
554 /* Start kernel timer to wait for dl startup to complete. */
555 local->timer.expires = jiffies + HZ / 2;
556 local->timer.function = verify_dl_startup;
557 add_timer(&local->timer);
559 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
561 } /* dl_startup_params */
563 /*===========================================================================*/
564 static void init_startup_params(ray_dev_t *local)
568 if (country > JAPAN_TEST)
570 else if (country < USA)
572 /* structure for hop time and beacon period is defined here using
573 * New 802.11D6.1 format. Card firmware is still using old format
576 * a_hop_time ms byte a_hop_time ms byte
577 * a_hop_time 2s byte a_hop_time ls byte
578 * a_hop_time ls byte a_beacon_period ms byte
579 * a_beacon_period a_beacon_period ls byte
581 * a_hop_time = uS a_hop_time = KuS
582 * a_beacon_period = hops a_beacon_period = KuS
583 *//* 64ms = 010000 */
584 if (local->fw_ver == 0x55) {
585 memcpy(&local->sparm.b4, b4_default_startup_parms,
586 sizeof(struct b4_startup_params));
587 /* Translate sane kus input values to old build 4/5 format */
588 /* i = hop time in uS truncated to 3 bytes */
589 i = (hop_dwell * 1024) & 0xffffff;
590 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
591 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
592 local->sparm.b4.a_beacon_period[0] = 0;
593 local->sparm.b4.a_beacon_period[1] =
594 ((beacon_period / hop_dwell) - 1) & 0xff;
595 local->sparm.b4.a_curr_country_code = country;
596 local->sparm.b4.a_hop_pattern_length =
597 hop_pattern_length[(int)country] - 1;
599 local->sparm.b4.a_ack_timeout = 0x50;
600 local->sparm.b4.a_sifs = 0x3f;
602 } else { /* Version 5 uses real kus values */
603 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
604 sizeof(struct b5_startup_params));
606 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
607 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
608 local->sparm.b5.a_beacon_period[0] =
609 (beacon_period >> 8) & 0xff;
610 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
612 local->sparm.b5.a_power_mgt_state = 1;
613 local->sparm.b5.a_curr_country_code = country;
614 local->sparm.b5.a_hop_pattern_length =
615 hop_pattern_length[(int)country];
618 local->sparm.b4.a_network_type = net_type & 0x01;
619 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
622 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
623 } /* init_startup_params */
625 /*===========================================================================*/
626 static void verify_dl_startup(struct timer_list *t)
628 ray_dev_t *local = from_timer(local, t, timer);
629 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
631 struct pcmcia_device *link = local->finder;
633 if (!(pcmcia_dev_present(link))) {
634 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
641 "verify_dl_startup parameters sent via ccs %d:\n",
642 local->dl_param_ccs);
643 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
645 (unsigned int)readb(local->sram +
646 HOST_TO_ECF_BASE + i));
652 status = readb(&pccs->buffer_status);
653 if (status != CCS_BUFFER_FREE) {
655 "Download startup params failed. Status = %d\n",
657 local->card_status = CARD_DL_PARAM_ERROR;
660 if (local->sparm.b4.a_network_type == ADHOC)
661 start_net(&local->timer);
663 join_net(&local->timer);
664 } /* end verify_dl_startup */
666 /*===========================================================================*/
667 /* Command card to start a network */
668 static void start_net(struct timer_list *t)
670 ray_dev_t *local = from_timer(local, t, timer);
671 struct ccs __iomem *pccs;
673 struct pcmcia_device *link = local->finder;
674 if (!(pcmcia_dev_present(link))) {
675 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
678 /* Fill in the CCS fields for the ECF */
679 if ((ccsindex = get_free_ccs(local)) < 0)
681 pccs = ccs_base(local) + ccsindex;
682 writeb(CCS_START_NETWORK, &pccs->cmd);
683 writeb(0, &pccs->var.start_network.update_param);
684 /* Interrupt the firmware to process the command */
685 if (interrupt_ecf(local, ccsindex)) {
686 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
687 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
690 local->card_status = CARD_DOING_ACQ;
691 } /* end start_net */
693 /*===========================================================================*/
694 /* Command card to join a network */
695 static void join_net(struct timer_list *t)
697 ray_dev_t *local = from_timer(local, t, timer);
699 struct ccs __iomem *pccs;
701 struct pcmcia_device *link = local->finder;
703 if (!(pcmcia_dev_present(link))) {
704 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
707 /* Fill in the CCS fields for the ECF */
708 if ((ccsindex = get_free_ccs(local)) < 0)
710 pccs = ccs_base(local) + ccsindex;
711 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
712 writeb(0, &pccs->var.join_network.update_param);
713 writeb(0, &pccs->var.join_network.net_initiated);
714 /* Interrupt the firmware to process the command */
715 if (interrupt_ecf(local, ccsindex)) {
716 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
717 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
720 local->card_status = CARD_DOING_ACQ;
724 static void ray_release(struct pcmcia_device *link)
726 struct net_device *dev = link->priv;
727 ray_dev_t *local = netdev_priv(dev);
729 dev_dbg(&link->dev, "ray_release\n");
731 del_timer(&local->timer);
733 iounmap(local->sram);
734 iounmap(local->rmem);
735 iounmap(local->amem);
736 pcmcia_disable_device(link);
738 dev_dbg(&link->dev, "ray_release ending\n");
741 static int ray_suspend(struct pcmcia_device *link)
743 struct net_device *dev = link->priv;
746 netif_device_detach(dev);
751 static int ray_resume(struct pcmcia_device *link)
753 struct net_device *dev = link->priv;
757 netif_device_attach(dev);
763 /*===========================================================================*/
764 static int ray_dev_init(struct net_device *dev)
766 #ifdef RAY_IMMEDIATE_INIT
768 #endif /* RAY_IMMEDIATE_INIT */
769 ray_dev_t *local = netdev_priv(dev);
770 struct pcmcia_device *link = local->finder;
772 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
773 if (!(pcmcia_dev_present(link))) {
774 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
777 #ifdef RAY_IMMEDIATE_INIT
778 /* Download startup parameters */
779 if ((i = dl_startup_params(dev)) < 0) {
780 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
781 "returns 0x%x\n", i);
784 #else /* RAY_IMMEDIATE_INIT */
785 /* Postpone the card init so that we can still configure the card,
786 * for example using the Wireless Extensions. The init will happen
787 * in ray_open() - Jean II */
789 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
791 #endif /* RAY_IMMEDIATE_INIT */
793 /* copy mac and broadcast addresses to linux device */
794 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
795 eth_broadcast_addr(dev->broadcast);
797 dev_dbg(&link->dev, "ray_dev_init ending\n");
801 /*===========================================================================*/
802 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
804 ray_dev_t *local = netdev_priv(dev);
805 struct pcmcia_device *link = local->finder;
806 /* Dummy routine to satisfy device structure */
807 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
808 if (!(pcmcia_dev_present(link))) {
809 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
816 /*===========================================================================*/
817 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
818 struct net_device *dev)
820 ray_dev_t *local = netdev_priv(dev);
821 struct pcmcia_device *link = local->finder;
822 short length = skb->len;
824 if (!pcmcia_dev_present(link)) {
825 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
830 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
831 if (local->authentication_state == NEED_TO_AUTH) {
832 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
833 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
834 local->authentication_state = AUTHENTICATED;
835 netif_stop_queue(dev);
836 return NETDEV_TX_BUSY;
840 if (length < ETH_ZLEN) {
841 if (skb_padto(skb, ETH_ZLEN))
845 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
848 netif_stop_queue(dev);
849 return NETDEV_TX_BUSY;
858 } /* ray_dev_start_xmit */
860 /*===========================================================================*/
861 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
864 ray_dev_t *local = netdev_priv(dev);
865 struct ccs __iomem *pccs;
868 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
869 short int addr; /* Address of xmit buffer in card space */
871 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
872 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
873 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
877 switch (ccsindex = get_free_tx_ccs(local)) {
879 pr_debug("ray_hw_xmit tx_ccs table busy\n");
882 pr_debug("ray_hw_xmit No free tx ccs\n");
885 netif_stop_queue(dev);
890 addr = TX_BUF_BASE + (ccsindex << 11);
892 if (msg_type == DATA_TYPE) {
893 local->stats.tx_bytes += len;
894 local->stats.tx_packets++;
897 ptx = local->sram + addr;
899 ray_build_header(local, ptx, msg_type, data);
901 offset = translate_frame(local, ptx, data, len);
902 } else { /* Encapsulate frame */
903 /* TBD TIB length will move address of ptx->var */
904 memcpy_toio(&ptx->var, data, len);
908 /* fill in the CCS */
909 pccs = ccs_base(local) + ccsindex;
910 len += TX_HEADER_LENGTH + offset;
911 writeb(CCS_TX_REQUEST, &pccs->cmd);
912 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
913 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
914 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
915 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
916 /* TBD still need psm_cam? */
917 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
918 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
919 writeb(0, &pccs->var.tx_request.antenna);
920 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
921 local->net_default_tx_rate);
923 /* Interrupt the firmware to process the command */
924 if (interrupt_ecf(local, ccsindex)) {
925 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
926 /* TBD very inefficient to copy packet to buffer, and then not
927 send it, but the alternative is to queue the messages and that
928 won't be done for a while. Maybe set tbusy until a CCS is free?
930 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
934 } /* end ray_hw_xmit */
936 /*===========================================================================*/
937 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
938 unsigned char *data, int len)
940 __be16 proto = ((struct ethhdr *)data)->h_proto;
941 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
942 pr_debug("ray_cs translate_frame DIX II\n");
943 /* Copy LLC header to card buffer */
944 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
945 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
946 (UCHAR *) &proto, 2);
947 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
948 /* This is the selective translation table, only 2 entries */
950 &((struct snaphdr_t __iomem *)ptx->var)->org[2]);
952 /* Copy body of ethernet packet without ethernet header */
953 memcpy_toio((void __iomem *)&ptx->var +
954 sizeof(struct snaphdr_t), data + ETH_HLEN,
956 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
957 } else { /* already 802 type, and proto is length */
958 pr_debug("ray_cs translate_frame 802\n");
959 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
960 pr_debug("ray_cs translate_frame evil IPX\n");
961 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
964 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
967 /* TBD do other frame types */
968 } /* end translate_frame */
970 /*===========================================================================*/
971 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
972 UCHAR msg_type, unsigned char *data)
974 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
975 /*** IEEE 802.11 Address field assignments *************
976 TODS FROMDS addr_1 addr_2 addr_3 addr_4
977 Adhoc 0 0 dest src (terminal) BSSID N/A
978 AP to Terminal 0 1 dest AP(BSSID) source N/A
979 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
980 AP to AP 1 1 dest AP src AP dest source
981 *******************************************************/
982 if (local->net_type == ADHOC) {
983 writeb(0, &ptx->mac.frame_ctl_2);
984 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
986 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
987 } else { /* infrastructure */
989 if (local->sparm.b4.a_acting_as_ap_status) {
990 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
991 memcpy_toio(ptx->mac.addr_1,
992 ((struct ethhdr *)data)->h_dest, ADDRLEN);
993 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
994 memcpy_toio(ptx->mac.addr_3,
995 ((struct ethhdr *)data)->h_source, ADDRLEN);
996 } else { /* Terminal */
998 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
999 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1000 memcpy_toio(ptx->mac.addr_2,
1001 ((struct ethhdr *)data)->h_source, ADDRLEN);
1002 memcpy_toio(ptx->mac.addr_3,
1003 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1006 } /* end encapsulate_frame */
1008 /*====================================================================*/
1010 /*------------------------------------------------------------------*/
1012 * Wireless Handler : get protocol name
1014 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1015 union iwreq_data *wrqu, char *extra)
1017 strcpy(wrqu->name, "IEEE 802.11-FH");
1021 /*------------------------------------------------------------------*/
1023 * Wireless Handler : set frequency
1025 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1026 union iwreq_data *wrqu, char *extra)
1028 ray_dev_t *local = netdev_priv(dev);
1029 int err = -EINPROGRESS; /* Call commit handler */
1031 /* Reject if card is already initialised */
1032 if (local->card_status != CARD_AWAITING_PARAM)
1035 /* Setting by channel number */
1036 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1039 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1044 /*------------------------------------------------------------------*/
1046 * Wireless Handler : get frequency
1048 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1049 union iwreq_data *wrqu, char *extra)
1051 ray_dev_t *local = netdev_priv(dev);
1053 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1058 /*------------------------------------------------------------------*/
1060 * Wireless Handler : set ESSID
1062 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1063 union iwreq_data *wrqu, char *extra)
1065 ray_dev_t *local = netdev_priv(dev);
1067 /* Reject if card is already initialised */
1068 if (local->card_status != CARD_AWAITING_PARAM)
1071 /* Check if we asked for `any' */
1072 if (wrqu->essid.flags == 0)
1073 /* Corey : can you do that ? */
1076 /* Check the size of the string */
1077 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1080 /* Set the ESSID in the card */
1081 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1082 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1084 return -EINPROGRESS; /* Call commit handler */
1087 /*------------------------------------------------------------------*/
1089 * Wireless Handler : get ESSID
1091 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1092 union iwreq_data *wrqu, char *extra)
1094 ray_dev_t *local = netdev_priv(dev);
1095 UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1097 /* Get the essid that was set */
1098 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1099 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1100 tmp[IW_ESSID_MAX_SIZE] = '\0';
1103 wrqu->essid.length = strlen(tmp);
1104 wrqu->essid.flags = 1; /* active */
1109 /*------------------------------------------------------------------*/
1111 * Wireless Handler : get AP address
1113 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1114 union iwreq_data *wrqu, char *extra)
1116 ray_dev_t *local = netdev_priv(dev);
1118 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1119 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1124 /*------------------------------------------------------------------*/
1126 * Wireless Handler : set Bit-Rate
1128 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1129 union iwreq_data *wrqu, char *extra)
1131 ray_dev_t *local = netdev_priv(dev);
1133 /* Reject if card is already initialised */
1134 if (local->card_status != CARD_AWAITING_PARAM)
1137 /* Check if rate is in range */
1138 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1141 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1142 if ((local->fw_ver == 0x55) && /* Please check */
1143 (wrqu->bitrate.value == 2000000))
1144 local->net_default_tx_rate = 3;
1146 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1151 /*------------------------------------------------------------------*/
1153 * Wireless Handler : get Bit-Rate
1155 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1156 union iwreq_data *wrqu, char *extra)
1158 ray_dev_t *local = netdev_priv(dev);
1160 if (local->net_default_tx_rate == 3)
1161 wrqu->bitrate.value = 2000000; /* Hum... */
1163 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1164 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1169 /*------------------------------------------------------------------*/
1171 * Wireless Handler : set RTS threshold
1173 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1174 union iwreq_data *wrqu, char *extra)
1176 ray_dev_t *local = netdev_priv(dev);
1177 int rthr = wrqu->rts.value;
1179 /* Reject if card is already initialised */
1180 if (local->card_status != CARD_AWAITING_PARAM)
1183 /* if(wrq->u.rts.fixed == 0) we should complain */
1184 if (wrqu->rts.disabled)
1187 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1190 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1191 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1193 return -EINPROGRESS; /* Call commit handler */
1196 /*------------------------------------------------------------------*/
1198 * Wireless Handler : get RTS threshold
1200 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1201 union iwreq_data *wrqu, char *extra)
1203 ray_dev_t *local = netdev_priv(dev);
1205 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1206 + local->sparm.b5.a_rts_threshold[1];
1207 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1208 wrqu->rts.fixed = 1;
1213 /*------------------------------------------------------------------*/
1215 * Wireless Handler : set Fragmentation threshold
1217 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1218 union iwreq_data *wrqu, char *extra)
1220 ray_dev_t *local = netdev_priv(dev);
1221 int fthr = wrqu->frag.value;
1223 /* Reject if card is already initialised */
1224 if (local->card_status != CARD_AWAITING_PARAM)
1227 /* if(wrq->u.frag.fixed == 0) should complain */
1228 if (wrqu->frag.disabled)
1231 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1234 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1235 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1237 return -EINPROGRESS; /* Call commit handler */
1240 /*------------------------------------------------------------------*/
1242 * Wireless Handler : get Fragmentation threshold
1244 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1245 union iwreq_data *wrqu, char *extra)
1247 ray_dev_t *local = netdev_priv(dev);
1249 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1250 + local->sparm.b5.a_frag_threshold[1];
1251 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1252 wrqu->frag.fixed = 1;
1257 /*------------------------------------------------------------------*/
1259 * Wireless Handler : set Mode of Operation
1261 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1262 union iwreq_data *wrqu, char *extra)
1264 ray_dev_t *local = netdev_priv(dev);
1265 int err = -EINPROGRESS; /* Call commit handler */
1268 /* Reject if card is already initialised */
1269 if (local->card_status != CARD_AWAITING_PARAM)
1272 switch (wrqu->mode) {
1277 local->sparm.b5.a_network_type = card_mode;
1286 /*------------------------------------------------------------------*/
1288 * Wireless Handler : get Mode of Operation
1290 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1291 union iwreq_data *wrqu, char *extra)
1293 ray_dev_t *local = netdev_priv(dev);
1295 if (local->sparm.b5.a_network_type)
1296 wrqu->mode = IW_MODE_INFRA;
1298 wrqu->mode = IW_MODE_ADHOC;
1303 /*------------------------------------------------------------------*/
1305 * Wireless Handler : get range info
1307 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1308 union iwreq_data *wrqu, char *extra)
1310 struct iw_range *range = (struct iw_range *)extra;
1312 memset(range, 0, sizeof(struct iw_range));
1314 /* Set the length (very important for backward compatibility) */
1315 wrqu->data.length = sizeof(struct iw_range);
1317 /* Set the Wireless Extension versions */
1318 range->we_version_compiled = WIRELESS_EXT;
1319 range->we_version_source = 9;
1321 /* Set information in the range struct */
1322 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1323 range->num_channels = hop_pattern_length[(int)country];
1324 range->num_frequency = 0;
1325 range->max_qual.qual = 0;
1326 range->max_qual.level = 255; /* What's the correct value ? */
1327 range->max_qual.noise = 255; /* Idem */
1328 range->num_bitrates = 2;
1329 range->bitrate[0] = 1000000; /* 1 Mb/s */
1330 range->bitrate[1] = 2000000; /* 2 Mb/s */
1334 /*------------------------------------------------------------------*/
1336 * Wireless Private Handler : set framing mode
1338 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1339 union iwreq_data *wrqu, char *extra)
1341 translate = !!*(extra); /* Set framing mode */
1346 /*------------------------------------------------------------------*/
1348 * Wireless Private Handler : get framing mode
1350 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1351 union iwreq_data *wrqu, char *extra)
1353 *(extra) = translate;
1358 /*------------------------------------------------------------------*/
1360 * Wireless Private Handler : get country
1362 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1363 union iwreq_data *wrqu, char *extra)
1370 /*------------------------------------------------------------------*/
1372 * Commit handler : called after a bunch of SET operations
1374 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1375 union iwreq_data *wrqu, char *extra)
1380 /*------------------------------------------------------------------*/
1382 * Stats handler : return Wireless Stats
1384 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1386 ray_dev_t *local = netdev_priv(dev);
1387 struct pcmcia_device *link = local->finder;
1388 struct status __iomem *p = local->sram + STATUS_BASE;
1390 local->wstats.status = local->card_status;
1392 if ((local->spy_data.spy_number > 0)
1393 && (local->sparm.b5.a_network_type == 0)) {
1394 /* Get it from the first node in spy list */
1395 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1396 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1397 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1398 local->wstats.qual.updated =
1399 local->spy_data.spy_stat[0].updated;
1401 #endif /* WIRELESS_SPY */
1403 if (pcmcia_dev_present(link)) {
1404 local->wstats.qual.noise = readb(&p->rxnoise);
1405 local->wstats.qual.updated |= 4;
1408 return &local->wstats;
1409 } /* end ray_get_wireless_stats */
1411 /*------------------------------------------------------------------*/
1413 * Structures to export the Wireless Handlers
1416 static const iw_handler ray_handler[] = {
1417 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1418 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1419 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1420 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1421 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1422 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1423 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1425 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1426 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1427 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1428 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1429 #endif /* WIRELESS_SPY */
1430 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1431 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1432 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1433 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1434 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1435 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1436 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1437 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1438 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1441 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1442 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1443 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1445 static const iw_handler ray_private_handler[] = {
1446 [0] = ray_set_framing,
1447 [1] = ray_get_framing,
1448 [3] = ray_get_country,
1451 static const struct iw_priv_args ray_private_args[] = {
1452 /* cmd, set_args, get_args, name */
1453 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1455 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1457 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1461 static const struct iw_handler_def ray_handler_def = {
1462 .num_standard = ARRAY_SIZE(ray_handler),
1463 .num_private = ARRAY_SIZE(ray_private_handler),
1464 .num_private_args = ARRAY_SIZE(ray_private_args),
1465 .standard = ray_handler,
1466 .private = ray_private_handler,
1467 .private_args = ray_private_args,
1468 .get_wireless_stats = ray_get_wireless_stats,
1471 /*===========================================================================*/
1472 static int ray_open(struct net_device *dev)
1474 ray_dev_t *local = netdev_priv(dev);
1475 struct pcmcia_device *link;
1476 link = local->finder;
1478 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1480 if (link->open == 0)
1481 local->num_multi = 0;
1484 /* If the card is not started, time to start it ! - Jean II */
1485 if (local->card_status == CARD_AWAITING_PARAM) {
1488 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1490 /* Download startup parameters */
1491 if ((i = dl_startup_params(dev)) < 0) {
1493 "ray_dev_init dl_startup_params failed - "
1494 "returns 0x%x\n", i);
1500 netif_stop_queue(dev);
1502 netif_start_queue(dev);
1504 dev_dbg(&link->dev, "ray_open ending\n");
1506 } /* end ray_open */
1508 /*===========================================================================*/
1509 static int ray_dev_close(struct net_device *dev)
1511 ray_dev_t *local = netdev_priv(dev);
1512 struct pcmcia_device *link;
1513 link = local->finder;
1515 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1518 netif_stop_queue(dev);
1520 /* In here, we should stop the hardware (stop card from beeing active)
1521 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1522 * card is closed we can chage its configuration.
1523 * Probably also need a COR reset to get sane state - Jean II */
1526 } /* end ray_dev_close */
1528 /*===========================================================================*/
1529 static void ray_reset(struct net_device *dev)
1531 pr_debug("ray_reset entered\n");
1534 /*===========================================================================*/
1535 /* Cause a firmware interrupt if it is ready for one */
1536 /* Return nonzero if not ready */
1537 static int interrupt_ecf(ray_dev_t *local, int ccs)
1540 struct pcmcia_device *link = local->finder;
1542 if (!(pcmcia_dev_present(link))) {
1543 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1546 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1549 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1553 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1556 /* Fill the mailbox, then kick the card */
1557 writeb(ccs, local->sram + SCB_BASE);
1558 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1560 } /* interrupt_ecf */
1562 /*===========================================================================*/
1563 /* Get next free transmit CCS */
1564 /* Return - index of current tx ccs */
1565 static int get_free_tx_ccs(ray_dev_t *local)
1568 struct ccs __iomem *pccs = ccs_base(local);
1569 struct pcmcia_device *link = local->finder;
1571 if (!(pcmcia_dev_present(link))) {
1572 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1576 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1577 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1581 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1582 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1583 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1584 writeb(CCS_END_LIST, &(pccs + i)->link);
1585 local->tx_ccs_lock = 0;
1589 local->tx_ccs_lock = 0;
1590 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1592 } /* get_free_tx_ccs */
1594 /*===========================================================================*/
1595 /* Get next free CCS */
1596 /* Return - index of current ccs */
1597 static int get_free_ccs(ray_dev_t *local)
1600 struct ccs __iomem *pccs = ccs_base(local);
1601 struct pcmcia_device *link = local->finder;
1603 if (!(pcmcia_dev_present(link))) {
1604 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1607 if (test_and_set_bit(0, &local->ccs_lock)) {
1608 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1612 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1613 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1614 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1615 writeb(CCS_END_LIST, &(pccs + i)->link);
1616 local->ccs_lock = 0;
1620 local->ccs_lock = 0;
1621 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1623 } /* get_free_ccs */
1625 /*===========================================================================*/
1626 static void authenticate_timeout(struct timer_list *t)
1628 ray_dev_t *local = from_timer(local, t, timer);
1629 del_timer(&local->timer);
1630 printk(KERN_INFO "ray_cs Authentication with access point failed"
1632 join_net(&local->timer);
1635 /*===========================================================================*/
1636 static int parse_addr(char *in_str, UCHAR *out)
1644 if ((len = strlen(in_str)) < 2)
1646 memset(out, 0, ADDRLEN);
1655 if ((k = hex_to_bin(in_str[j--])) != -1)
1662 if ((k = hex_to_bin(in_str[j--])) != -1)
1672 /*===========================================================================*/
1673 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1675 ray_dev_t *local = netdev_priv(dev);
1676 struct pcmcia_device *link = local->finder;
1677 struct status __iomem *p = local->sram + STATUS_BASE;
1678 if (!(pcmcia_dev_present(link))) {
1679 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1680 return &local->stats;
1682 if (readb(&p->mrx_overflow_for_host)) {
1683 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1684 writeb(0, &p->mrx_overflow);
1685 writeb(0, &p->mrx_overflow_for_host);
1687 if (readb(&p->mrx_checksum_error_for_host)) {
1688 local->stats.rx_crc_errors +=
1689 swab16(readw(&p->mrx_checksum_error));
1690 writeb(0, &p->mrx_checksum_error);
1691 writeb(0, &p->mrx_checksum_error_for_host);
1693 if (readb(&p->rx_hec_error_for_host)) {
1694 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1695 writeb(0, &p->rx_hec_error);
1696 writeb(0, &p->rx_hec_error_for_host);
1698 return &local->stats;
1701 /*===========================================================================*/
1702 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1705 ray_dev_t *local = netdev_priv(dev);
1706 struct pcmcia_device *link = local->finder;
1709 struct ccs __iomem *pccs;
1711 if (!(pcmcia_dev_present(link))) {
1712 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1716 if ((ccsindex = get_free_ccs(local)) < 0) {
1717 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1720 pccs = ccs_base(local) + ccsindex;
1721 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1722 writeb(objid, &pccs->var.update_param.object_id);
1723 writeb(1, &pccs->var.update_param.number_objects);
1724 writeb(0, &pccs->var.update_param.failure_cause);
1725 for (i = 0; i < len; i++) {
1726 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1728 /* Interrupt the firmware to process the command */
1729 if (interrupt_ecf(local, ccsindex)) {
1730 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1731 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1735 /*===========================================================================*/
1736 static void ray_update_multi_list(struct net_device *dev, int all)
1739 struct ccs __iomem *pccs;
1740 ray_dev_t *local = netdev_priv(dev);
1741 struct pcmcia_device *link = local->finder;
1742 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1744 if (!(pcmcia_dev_present(link))) {
1745 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1748 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1749 if ((ccsindex = get_free_ccs(local)) < 0) {
1750 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1753 pccs = ccs_base(local) + ccsindex;
1754 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1757 writeb(0xff, &pccs->var);
1758 local->num_multi = 0xff;
1760 struct netdev_hw_addr *ha;
1763 /* Copy the kernel's list of MC addresses to card */
1764 netdev_for_each_mc_addr(ha, dev) {
1765 memcpy_toio(p, ha->addr, ETH_ALEN);
1766 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1771 if (i > 256 / ADDRLEN)
1773 writeb((UCHAR) i, &pccs->var);
1774 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1775 /* Interrupt the firmware to process the command */
1776 local->num_multi = i;
1778 if (interrupt_ecf(local, ccsindex)) {
1780 "ray_cs update_multi failed - ECF not ready for intr\n");
1781 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1783 } /* end ray_update_multi_list */
1785 /*===========================================================================*/
1786 static void set_multicast_list(struct net_device *dev)
1788 ray_dev_t *local = netdev_priv(dev);
1791 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1793 if (dev->flags & IFF_PROMISC) {
1794 if (local->sparm.b5.a_promiscuous_mode == 0) {
1795 pr_debug("ray_cs set_multicast_list promisc on\n");
1796 local->sparm.b5.a_promiscuous_mode = 1;
1798 ray_update_parm(dev, OBJID_promiscuous_mode,
1799 &promisc, sizeof(promisc));
1802 if (local->sparm.b5.a_promiscuous_mode == 1) {
1803 pr_debug("ray_cs set_multicast_list promisc off\n");
1804 local->sparm.b5.a_promiscuous_mode = 0;
1806 ray_update_parm(dev, OBJID_promiscuous_mode,
1807 &promisc, sizeof(promisc));
1811 if (dev->flags & IFF_ALLMULTI)
1812 ray_update_multi_list(dev, 1);
1814 if (local->num_multi != netdev_mc_count(dev))
1815 ray_update_multi_list(dev, 0);
1817 } /* end set_multicast_list */
1819 /*=============================================================================
1820 * All routines below here are run at interrupt time.
1821 =============================================================================*/
1822 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1824 struct net_device *dev = (struct net_device *)dev_id;
1825 struct pcmcia_device *link;
1827 struct ccs __iomem *pccs;
1828 struct rcs __iomem *prcs;
1833 UCHAR memtmp[ESSID_SIZE + 1];
1836 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1839 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1841 local = netdev_priv(dev);
1842 link = local->finder;
1843 if (!pcmcia_dev_present(link)) {
1845 "ray_cs interrupt from device not present or suspended.\n");
1848 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1850 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1851 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1852 clear_interrupt(local);
1855 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1856 pccs = ccs_base(local) + rcsindex;
1857 cmd = readb(&pccs->cmd);
1858 status = readb(&pccs->buffer_status);
1860 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1861 del_timer(&local->timer);
1862 if (status == CCS_COMMAND_COMPLETE) {
1864 "ray_cs interrupt download_startup_parameters OK\n");
1867 "ray_cs interrupt download_startup_parameters fail\n");
1870 case CCS_UPDATE_PARAMS:
1871 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1872 if (status != CCS_COMMAND_COMPLETE) {
1874 readb(&pccs->var.update_param.
1877 "ray_cs interrupt update params failed - reason %d\n",
1881 case CCS_REPORT_PARAMS:
1882 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1884 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1886 "ray_cs interrupt CCS Update Multicast List done\n");
1888 case CCS_UPDATE_POWER_SAVINGS_MODE:
1890 "ray_cs interrupt update power save mode done\n");
1892 case CCS_START_NETWORK:
1893 case CCS_JOIN_NETWORK:
1894 memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1896 memtmp[ESSID_SIZE] = '\0';
1898 if (status == CCS_COMMAND_COMPLETE) {
1900 (&pccs->var.start_network.net_initiated) ==
1903 "ray_cs interrupt network \"%s\" started\n",
1907 "ray_cs interrupt network \"%s\" joined\n",
1910 memcpy_fromio(&local->bss_id,
1911 pccs->var.start_network.bssid,
1914 if (local->fw_ver == 0x55)
1915 local->net_default_tx_rate = 3;
1917 local->net_default_tx_rate =
1918 readb(&pccs->var.start_network.
1919 net_default_tx_rate);
1921 readb(&pccs->var.start_network.encryption);
1922 if (!sniffer && (local->net_type == INFRA)
1923 && !(local->sparm.b4.a_acting_as_ap_status)) {
1924 authenticate(local);
1926 local->card_status = CARD_ACQ_COMPLETE;
1928 local->card_status = CARD_ACQ_FAILED;
1930 del_timer(&local->timer);
1931 local->timer.expires = jiffies + HZ * 5;
1932 if (status == CCS_START_NETWORK) {
1934 "ray_cs interrupt network \"%s\" start failed\n",
1936 local->timer.function = start_net;
1939 "ray_cs interrupt network \"%s\" join failed\n",
1941 local->timer.function = join_net;
1943 add_timer(&local->timer);
1946 case CCS_START_ASSOCIATION:
1947 if (status == CCS_COMMAND_COMPLETE) {
1948 local->card_status = CARD_ASSOC_COMPLETE;
1949 dev_dbg(&link->dev, "ray_cs association successful\n");
1951 dev_dbg(&link->dev, "ray_cs association failed,\n");
1952 local->card_status = CARD_ASSOC_FAILED;
1953 join_net(&local->timer);
1956 case CCS_TX_REQUEST:
1957 if (status == CCS_COMMAND_COMPLETE) {
1959 "ray_cs interrupt tx request complete\n");
1962 "ray_cs interrupt tx request failed\n");
1965 netif_start_queue(dev);
1966 netif_wake_queue(dev);
1968 case CCS_TEST_MEMORY:
1969 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
1973 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
1975 case CCS_DUMP_MEMORY:
1976 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
1978 case CCS_START_TIMER:
1980 "ray_cs interrupt DING - raylink timer expired\n");
1984 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
1987 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
1988 } else { /* It's an RCS */
1990 prcs = rcs_base(local) + rcsindex;
1992 switch (readb(&prcs->interrupt_id)) {
1993 case PROCESS_RX_PACKET:
1994 ray_rx(dev, local, prcs);
1996 case REJOIN_NET_COMPLETE:
1997 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
1998 local->card_status = CARD_ACQ_COMPLETE;
1999 /* do we need to clear tx buffers CCS's? */
2000 if (local->sparm.b4.a_network_type == ADHOC) {
2002 netif_start_queue(dev);
2004 memcpy_fromio(&local->bss_id,
2005 prcs->var.rejoin_net_complete.
2007 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2010 authenticate(local);
2013 case ROAMING_INITIATED:
2014 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2015 netif_stop_queue(dev);
2016 local->card_status = CARD_DOING_ACQ;
2018 case JAPAN_CALL_SIGN_RXD:
2019 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2023 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2025 (unsigned int)readb(&prcs->interrupt_id));
2028 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2030 clear_interrupt(local);
2032 } /* ray_interrupt */
2034 /*===========================================================================*/
2035 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2036 struct rcs __iomem *prcs)
2039 unsigned int pkt_addr;
2041 pr_debug("ray_rx process rx packet\n");
2043 /* Calculate address of packet within Rx buffer */
2044 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2045 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2046 /* Length of first packet fragment */
2047 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2048 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2050 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2051 pmsg = local->rmem + pkt_addr;
2052 switch (readb(pmsg)) {
2054 pr_debug("ray_rx data type\n");
2055 rx_data(dev, prcs, pkt_addr, rx_len);
2057 case AUTHENTIC_TYPE:
2058 pr_debug("ray_rx authentic type\n");
2060 rx_data(dev, prcs, pkt_addr, rx_len);
2062 rx_authenticate(local, prcs, pkt_addr, rx_len);
2064 case DEAUTHENTIC_TYPE:
2065 pr_debug("ray_rx deauth type\n");
2067 rx_data(dev, prcs, pkt_addr, rx_len);
2069 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2072 pr_debug("ray_cs rx NULL msg\n");
2075 pr_debug("ray_rx beacon type\n");
2077 rx_data(dev, prcs, pkt_addr, rx_len);
2079 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2080 rx_len < sizeof(struct beacon_rx) ?
2081 rx_len : sizeof(struct beacon_rx));
2083 local->beacon_rxed = 1;
2084 /* Get the statistics so the card counters never overflow */
2088 pr_debug("ray_cs unknown pkt type %2x\n",
2089 (unsigned int)readb(pmsg));
2095 /*===========================================================================*/
2096 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2097 unsigned int pkt_addr, int rx_len)
2099 struct sk_buff *skb = NULL;
2100 struct rcs __iomem *prcslink = prcs;
2101 ray_dev_t *local = netdev_priv(dev);
2106 int siglev = local->last_rsl;
2107 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2112 /* TBD length needs fixing for translated header */
2113 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2115 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2118 "ray_cs invalid packet length %d received\n",
2122 } else { /* encapsulated ethernet */
2124 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2126 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2129 "ray_cs invalid packet length %d received\n",
2135 pr_debug("ray_cs rx_data packet\n");
2136 /* If fragmented packet, verify sizes of fragments add up */
2137 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2138 pr_debug("ray_cs rx'ed fragment\n");
2139 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2140 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2145 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2147 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2148 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2151 prcslink = rcs_base(local)
2152 + readb(&prcslink->link_field);
2157 "ray_cs rx_data fragment lengths don't add up\n");
2158 local->stats.rx_dropped++;
2159 release_frag_chain(local, prcs);
2162 } else { /* Single unfragmented packet */
2166 skb = dev_alloc_skb(total_len + 5);
2168 pr_debug("ray_cs rx_data could not allocate skb\n");
2169 local->stats.rx_dropped++;
2170 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2171 release_frag_chain(local, prcs);
2174 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2176 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2179 /************************/
2180 /* Reserve enough room for the whole damn packet. */
2181 rx_ptr = skb_put(skb, total_len);
2182 /* Copy the whole packet to sk_buff */
2184 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2185 /* Get source address */
2187 skb_copy_from_linear_data_offset(skb,
2188 offsetof(struct mac_header, addr_2),
2189 linksrcaddr, ETH_ALEN);
2191 /* Now, deal with encapsulation/translation/sniffer */
2194 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2195 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2196 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2198 /* Do translation */
2199 untranslate(local, skb, total_len);
2201 } else { /* sniffer mode, so just pass whole packet */
2204 /************************/
2205 /* Now pick up the rest of the fragments if any */
2207 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2209 pr_debug("ray_cs rx_data in fragment loop\n");
2211 prcslink = rcs_base(local)
2213 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2215 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2218 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2221 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2223 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2227 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2230 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2232 release_frag_chain(local, prcs);
2235 skb->protocol = eth_type_trans(skb, dev);
2237 local->stats.rx_packets++;
2238 local->stats.rx_bytes += total_len;
2240 /* Gather signal strength per address */
2242 /* For the Access Point or the node having started the ad-hoc net
2243 * note : ad-hoc work only in some specific configurations, but we
2244 * kludge in ray_get_wireless_stats... */
2245 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2246 /* Update statistics */
2247 /*local->wstats.qual.qual = none ? */
2248 local->wstats.qual.level = siglev;
2249 /*local->wstats.qual.noise = none ? */
2250 local->wstats.qual.updated = 0x2;
2252 /* Now, update the spy stuff */
2254 struct iw_quality wstats;
2255 wstats.level = siglev;
2256 /* wstats.noise = none ? */
2257 /* wstats.qual = none ? */
2258 wstats.updated = 0x2;
2259 /* Update spy records */
2260 wireless_spy_update(dev, linksrcaddr, &wstats);
2262 #endif /* WIRELESS_SPY */
2265 /*===========================================================================*/
2266 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2268 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2269 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2270 __be16 type = *(__be16 *) psnap->ethertype;
2272 struct ethhdr *peth;
2273 UCHAR srcaddr[ADDRLEN];
2274 UCHAR destaddr[ADDRLEN];
2275 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2276 static const UCHAR org_1042[3] = { 0, 0, 0 };
2278 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2279 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2283 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2284 DUMP_PREFIX_NONE, 16, 1,
2285 skb->data, 64, true);
2287 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2288 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2289 psnap->org[0], psnap->org[1], psnap->org[2]);
2290 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2294 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2295 /* not a snap type so leave it alone */
2296 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2297 psnap->dsap, psnap->ssap, psnap->ctrl);
2299 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2300 peth = (struct ethhdr *)(skb->data + delta);
2301 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2302 } else { /* Its a SNAP */
2303 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2304 /* EtherII and nuke the LLC */
2305 pr_debug("ray_cs untranslate Bridge encap\n");
2306 delta = RX_MAC_HEADER_LENGTH
2307 + sizeof(struct snaphdr_t) - ETH_HLEN;
2308 peth = (struct ethhdr *)(skb->data + delta);
2309 peth->h_proto = type;
2310 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2311 switch (ntohs(type)) {
2314 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2315 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2316 peth = (struct ethhdr *)(skb->data + delta);
2318 htons(len - RX_MAC_HEADER_LENGTH);
2321 pr_debug("ray_cs untranslate RFC default\n");
2322 delta = RX_MAC_HEADER_LENGTH +
2323 sizeof(struct snaphdr_t) - ETH_HLEN;
2324 peth = (struct ethhdr *)(skb->data + delta);
2325 peth->h_proto = type;
2329 printk("ray_cs untranslate very confused by packet\n");
2330 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2331 peth = (struct ethhdr *)(skb->data + delta);
2332 peth->h_proto = type;
2335 /* TBD reserve skb_reserve(skb, delta); */
2336 skb_pull(skb, delta);
2337 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2339 memcpy(peth->h_dest, destaddr, ADDRLEN);
2340 memcpy(peth->h_source, srcaddr, ADDRLEN);
2344 printk(KERN_DEBUG "skb->data after untranslate:");
2345 for (i = 0; i < 64; i++)
2346 printk("%02x ", skb->data[i]);
2350 } /* end untranslate */
2352 /*===========================================================================*/
2353 /* Copy data from circular receive buffer to PC memory.
2354 * dest = destination address in PC memory
2355 * pkt_addr = source address in receive buffer
2356 * len = length of packet to copy
2358 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2361 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2362 if (wrap_bytes <= 0) {
2363 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2364 } else { /* Packet wrapped in circular buffer */
2366 memcpy_fromio(dest, local->rmem + pkt_addr,
2367 length - wrap_bytes);
2368 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2374 /*===========================================================================*/
2375 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2377 struct rcs __iomem *prcslink = prcs;
2379 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2382 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2383 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2384 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2388 prcslink = rcs_base(local) + rcsindex;
2389 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2391 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2394 /*===========================================================================*/
2395 static void authenticate(ray_dev_t *local)
2397 struct pcmcia_device *link = local->finder;
2398 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2399 if (!(pcmcia_dev_present(link))) {
2400 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2404 del_timer(&local->timer);
2405 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2406 local->timer.function = join_net;
2408 local->timer.function = authenticate_timeout;
2410 local->timer.expires = jiffies + HZ * 2;
2411 add_timer(&local->timer);
2412 local->authentication_state = AWAITING_RESPONSE;
2413 } /* end authenticate */
2415 /*===========================================================================*/
2416 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2417 unsigned int pkt_addr, int rx_len)
2420 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2422 del_timer(&local->timer);
2424 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2425 /* if we are trying to get authenticated */
2426 if (local->sparm.b4.a_network_type == ADHOC) {
2427 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2428 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2429 msg->var[4], msg->var[5]);
2430 if (msg->var[2] == 1) {
2431 pr_debug("ray_cs Sending authentication response.\n");
2432 if (!build_auth_frame
2433 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2434 local->authentication_state = NEED_TO_AUTH;
2435 memcpy(local->auth_id, msg->mac.addr_2,
2439 } else { /* Infrastructure network */
2441 if (local->authentication_state == AWAITING_RESPONSE) {
2442 /* Verify authentication sequence #2 and success */
2443 if (msg->var[2] == 2) {
2444 if ((msg->var[3] | msg->var[4]) == 0) {
2445 pr_debug("Authentication successful\n");
2446 local->card_status = CARD_AUTH_COMPLETE;
2448 local->authentication_state =
2451 pr_debug("Authentication refused\n");
2452 local->card_status = CARD_AUTH_REFUSED;
2453 join_net(&local->timer);
2454 local->authentication_state =
2461 } /* end rx_authenticate */
2463 /*===========================================================================*/
2464 static void associate(ray_dev_t *local)
2466 struct ccs __iomem *pccs;
2467 struct pcmcia_device *link = local->finder;
2468 struct net_device *dev = link->priv;
2470 if (!(pcmcia_dev_present(link))) {
2471 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2474 /* If no tx buffers available, return */
2475 if ((ccsindex = get_free_ccs(local)) < 0) {
2476 /* TBD should never be here but... what if we are? */
2477 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2480 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2481 pccs = ccs_base(local) + ccsindex;
2482 /* fill in the CCS */
2483 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2484 /* Interrupt the firmware to process the command */
2485 if (interrupt_ecf(local, ccsindex)) {
2486 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2487 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2489 del_timer(&local->timer);
2490 local->timer.expires = jiffies + HZ * 2;
2491 local->timer.function = join_net;
2492 add_timer(&local->timer);
2493 local->card_status = CARD_ASSOC_FAILED;
2497 netif_start_queue(dev);
2499 } /* end associate */
2501 /*===========================================================================*/
2502 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2503 unsigned int pkt_addr, int rx_len)
2506 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2508 pr_debug("Deauthentication frame received\n");
2509 local->authentication_state = UNAUTHENTICATED;
2510 /* Need to reauthenticate or rejoin depending on reason code */
2511 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2515 /*===========================================================================*/
2516 static void clear_interrupt(ray_dev_t *local)
2518 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2521 /*===========================================================================*/
2522 #ifdef CONFIG_PROC_FS
2523 #define MAXDATA (PAGE_SIZE - 80)
2525 static const char *card_status[] = {
2526 "Card inserted - uninitialized", /* 0 */
2527 "Card not downloaded", /* 1 */
2528 "Waiting for download parameters", /* 2 */
2529 "Card doing acquisition", /* 3 */
2530 "Acquisition complete", /* 4 */
2531 "Authentication complete", /* 5 */
2532 "Association complete", /* 6 */
2533 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2534 "Card init error", /* 11 */
2535 "Download parameters error", /* 12 */
2537 "Acquisition failed", /* 14 */
2538 "Authentication refused", /* 15 */
2539 "Association failed" /* 16 */
2542 static const char *nettype[] = { "Adhoc", "Infra " };
2543 static const char *framing[] = { "Encapsulation", "Translation" }
2546 /*===========================================================================*/
2547 static int ray_cs_proc_show(struct seq_file *m, void *v)
2549 /* Print current values which are not available via other means
2553 struct pcmcia_device *link;
2554 struct net_device *dev;
2557 struct freq_hop_element *pfh;
2563 dev = (struct net_device *)link->priv;
2566 local = netdev_priv(dev);
2570 seq_puts(m, "Raylink Wireless LAN driver status\n");
2571 seq_printf(m, "%s\n", rcsid);
2572 /* build 4 does not report version, and field is 0x55 after memtest */
2573 seq_puts(m, "Firmware version = ");
2574 if (local->fw_ver == 0x55)
2575 seq_puts(m, "4 - Use dump_cis for more details\n");
2577 seq_printf(m, "%2d.%02d.%02d\n",
2578 local->fw_ver, local->fw_bld, local->fw_var);
2580 for (i = 0; i < 32; i++)
2581 c[i] = local->sparm.b5.a_current_ess_id[i];
2583 seq_printf(m, "%s network ESSID = \"%s\"\n",
2584 nettype[local->sparm.b5.a_network_type], c);
2587 seq_printf(m, "BSSID = %pM\n", p);
2589 seq_printf(m, "Country code = %d\n",
2590 local->sparm.b5.a_curr_country_code);
2592 i = local->card_status;
2597 seq_printf(m, "Card status = %s\n", card_status[i]);
2599 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2601 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2603 if (local->beacon_rxed) {
2604 /* Pull some fields out of last beacon received */
2605 seq_printf(m, "Beacon Interval = %d Kus\n",
2606 local->last_bcn.beacon_intvl[0]
2607 + 256 * local->last_bcn.beacon_intvl[1]);
2609 p = local->last_bcn.elements;
2610 if (p[0] == C_ESSID_ELEMENT_ID)
2614 "Parse beacon failed at essid element id = %d\n",
2619 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2620 seq_puts(m, "Supported rate codes = ");
2621 for (i = 2; i < p[1] + 2; i++)
2622 seq_printf(m, "0x%02x ", p[i]);
2626 seq_puts(m, "Parse beacon failed at rates element\n");
2630 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2631 pfh = (struct freq_hop_element *)p;
2632 seq_printf(m, "Hop dwell = %d Kus\n",
2633 pfh->dwell_time[0] +
2634 256 * pfh->dwell_time[1]);
2635 seq_printf(m, "Hop set = %d\n",
2637 seq_printf(m, "Hop pattern = %d\n",
2639 seq_printf(m, "Hop index = %d\n",
2644 "Parse beacon failed at FH param element\n");
2648 seq_puts(m, "No beacons received\n");
2653 /*===========================================================================*/
2654 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2657 struct ccs __iomem *pccs;
2658 struct tx_msg __iomem *ptx;
2661 /* If no tx buffers available, return */
2662 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2663 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2667 pccs = ccs_base(local) + ccsindex;
2669 /* Address in card space */
2670 addr = TX_BUF_BASE + (ccsindex << 11);
2671 /* fill in the CCS */
2672 writeb(CCS_TX_REQUEST, &pccs->cmd);
2673 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2674 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2675 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2676 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2677 pccs->var.tx_request.tx_data_length + 1);
2678 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2680 ptx = local->sram + addr;
2681 /* fill in the mac header */
2682 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2683 writeb(0, &ptx->mac.frame_ctl_2);
2685 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2686 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2687 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2689 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2690 memset_io(ptx->var, 0, 6);
2691 writeb(auth_type & 0xff, ptx->var + 2);
2693 /* Interrupt the firmware to process the command */
2694 if (interrupt_ecf(local, ccsindex)) {
2696 "ray_cs send authentication request failed - ECF not ready for intr\n");
2697 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2701 } /* End build_auth_frame */
2703 /*===========================================================================*/
2704 #ifdef CONFIG_PROC_FS
2705 static ssize_t ray_cs_essid_proc_write(struct file *file,
2706 const char __user *buffer, size_t count, loff_t *pos)
2708 static char proc_essid[33];
2709 unsigned int len = count;
2713 memset(proc_essid, 0, 33);
2714 if (copy_from_user(proc_essid, buffer, len))
2720 static const struct proc_ops ray_cs_essid_proc_ops = {
2721 .proc_write = ray_cs_essid_proc_write,
2722 .proc_lseek = noop_llseek,
2725 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2726 size_t count, loff_t *pos)
2728 static char proc_number[10];
2737 if (copy_from_user(proc_number, buffer, count))
2743 unsigned int c = *p - '0';
2749 *(int *)PDE_DATA(file_inode(file)) = nr;
2753 static const struct proc_ops int_proc_ops = {
2754 .proc_write = int_proc_write,
2755 .proc_lseek = noop_llseek,
2759 static const struct pcmcia_device_id ray_ids[] = {
2760 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2764 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2766 static struct pcmcia_driver ray_driver = {
2767 .owner = THIS_MODULE,
2770 .remove = ray_detach,
2771 .id_table = ray_ids,
2772 .suspend = ray_suspend,
2773 .resume = ray_resume,
2776 static int __init init_ray_cs(void)
2780 pr_debug("%s\n", rcsid);
2781 rc = pcmcia_register_driver(&ray_driver);
2782 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2787 #ifdef CONFIG_PROC_FS
2788 proc_mkdir("driver/ray_cs", NULL);
2790 proc_create_single("driver/ray_cs/ray_cs", 0, NULL, ray_cs_proc_show);
2791 proc_create("driver/ray_cs/essid", 0200, NULL, &ray_cs_essid_proc_ops);
2792 proc_create_data("driver/ray_cs/net_type", 0200, NULL, &int_proc_ops,
2794 proc_create_data("driver/ray_cs/translate", 0200, NULL, &int_proc_ops,
2797 translate = !!translate;
2801 /*===========================================================================*/
2803 static void __exit exit_ray_cs(void)
2805 pr_debug("ray_cs: cleanup_module\n");
2807 #ifdef CONFIG_PROC_FS
2808 remove_proc_subtree("driver/ray_cs", NULL);
2811 pcmcia_unregister_driver(&ray_driver);
2814 module_init(init_ray_cs);
2815 module_exit(exit_ray_cs);
2817 /*===========================================================================*/