1 /*=============================================================================
3 * A PCMCIA client driver for the Raylink wireless LAN card.
4 * The starting point for this module was the skeleton.c in the
5 * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
8 * Copyright (c) 1998 Corey Thomas (corey@world.std.com)
10 * This driver is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 only of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * It is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
23 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
24 * - reorganize kmallocs in ray_attach, checking all for failure
25 * and releasing the previous allocations if one fails
27 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
28 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
30 =============================================================================*/
32 #include <linux/module.h>
33 #include <linux/kernel.h>
34 #include <linux/proc_fs.h>
35 #include <linux/ptrace.h>
36 #include <linux/seq_file.h>
37 #include <linux/string.h>
38 #include <linux/timer.h>
39 #include <linux/init.h>
40 #include <linux/netdevice.h>
41 #include <linux/etherdevice.h>
42 #include <linux/if_arp.h>
43 #include <linux/ioport.h>
44 #include <linux/skbuff.h>
45 #include <linux/ieee80211.h>
47 #include <pcmcia/cistpl.h>
48 #include <pcmcia/cisreg.h>
49 #include <pcmcia/ds.h>
51 #include <linux/wireless.h>
52 #include <net/iw_handler.h>
55 #include <asm/byteorder.h>
56 #include <linux/uaccess.h>
58 /* Warning : these stuff will slow down the driver... */
59 #define WIRELESS_SPY /* Enable spying addresses */
60 /* Definitions we need for spy */
61 typedef struct iw_statistics iw_stats;
62 typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
68 /** Prototypes based on PCMCIA skeleton driver *******************************/
69 static int ray_config(struct pcmcia_device *link);
70 static void ray_release(struct pcmcia_device *link);
71 static void ray_detach(struct pcmcia_device *p_dev);
73 /***** Prototypes indicated by device structure ******************************/
74 static int ray_dev_close(struct net_device *dev);
75 static int ray_dev_config(struct net_device *dev, struct ifmap *map);
76 static struct net_device_stats *ray_get_stats(struct net_device *dev);
77 static int ray_dev_init(struct net_device *dev);
79 static int ray_open(struct net_device *dev);
80 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
81 struct net_device *dev);
82 static void set_multicast_list(struct net_device *dev);
83 static void ray_update_multi_list(struct net_device *dev, int all);
84 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
85 unsigned char *data, int len);
86 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
87 UCHAR msg_type, unsigned char *data);
88 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
89 static iw_stats *ray_get_wireless_stats(struct net_device *dev);
90 static const struct iw_handler_def ray_handler_def;
92 /***** Prototypes for raylink functions **************************************/
93 static void authenticate(ray_dev_t *local);
94 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
95 static void authenticate_timeout(struct timer_list *t);
96 static int get_free_ccs(ray_dev_t *local);
97 static int get_free_tx_ccs(ray_dev_t *local);
98 static void init_startup_params(ray_dev_t *local);
99 static int parse_addr(char *in_str, UCHAR *out);
100 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type);
101 static int ray_init(struct net_device *dev);
102 static int interrupt_ecf(ray_dev_t *local, int ccs);
103 static void ray_reset(struct net_device *dev);
104 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
105 static void verify_dl_startup(struct timer_list *t);
107 /* Prototypes for interrpt time functions **********************************/
108 static irqreturn_t ray_interrupt(int reg, void *dev_id);
109 static void clear_interrupt(ray_dev_t *local);
110 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
111 unsigned int pkt_addr, int rx_len);
112 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
113 static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
114 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
115 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
116 unsigned int pkt_addr, int rx_len);
117 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
118 unsigned int pkt_addr, int rx_len);
119 static void associate(ray_dev_t *local);
121 /* Card command functions */
122 static int dl_startup_params(struct net_device *dev);
123 static void join_net(struct timer_list *t);
124 static void start_net(struct timer_list *t);
126 /*===========================================================================*/
127 /* Parameters that can be set with 'insmod' */
129 /* ADHOC=0, Infrastructure=1 */
130 static int net_type = ADHOC;
132 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
133 static int hop_dwell = 128;
135 /* Beacon period in Kus */
136 static int beacon_period = 256;
138 /* power save mode (0 = off, 1 = save power) */
141 /* String for network's Extended Service Set ID. 32 Characters max */
144 /* Default to encapsulation unless translation requested */
145 static bool translate = true;
147 static int country = USA;
153 /* 48 bit physical card address if overriding card's real physical
154 * address is required. Since IEEE 802.11 addresses are 48 bits
155 * like ethernet, an int can't be used, so a string is used. To
156 * allow use of addresses starting with a decimal digit, the first
157 * character must be a letter and will be ignored. This letter is
158 * followed by up to 12 hex digits which are the address. If less
159 * than 12 digits are used, the address will be left filled with 0's.
160 * Note that bit 0 of the first byte is the broadcast bit, and evil
161 * things will happen if it is not 0 in a card address.
163 static char *phy_addr = NULL;
165 static unsigned int ray_mem_speed = 500;
167 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
168 static struct pcmcia_device *this_device = NULL;
170 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
171 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
172 MODULE_LICENSE("GPL");
174 module_param(net_type, int, 0);
175 module_param(hop_dwell, int, 0);
176 module_param(beacon_period, int, 0);
177 module_param(psm, int, 0);
178 module_param(essid, charp, 0);
179 module_param(translate, bool, 0);
180 module_param(country, int, 0);
181 module_param(sniffer, int, 0);
182 module_param(bc, int, 0);
183 module_param(phy_addr, charp, 0);
184 module_param(ray_mem_speed, int, 0);
186 static const UCHAR b5_default_startup_parms[] = {
187 0, 0, /* Adhoc station */
188 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
189 0, 0, 0, 0, 0, 0, 0, 0,
190 0, 0, 0, 0, 0, 0, 0, 0,
191 0, 0, 0, 0, 0, 0, 0, 0,
192 1, 0, /* Active scan, CA Mode */
193 0, 0, 0, 0, 0, 0, /* No default MAC addr */
194 0x7f, 0xff, /* Frag threshold */
195 0x00, 0x80, /* Hop time 128 Kus */
196 0x01, 0x00, /* Beacon period 256 Kus */
197 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
198 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
199 0x7f, 0xff, /* RTS threshold */
200 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
201 0x05, /* assoc resp timeout thresh */
202 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
203 0, /* Promiscuous mode */
204 0x0c, 0x0bd, /* Unique word */
205 0x32, /* Slot time */
206 0xff, 0xff, /* roam-low snr, low snr count */
207 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
208 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
209 /* b4 - b5 differences start here */
210 0x00, 0x3f, /* CW max */
211 0x00, 0x0f, /* CW min */
212 0x04, 0x08, /* Noise gain, limit offset */
213 0x28, 0x28, /* det rssi, med busy offsets */
214 7, /* det sync thresh */
215 0, 2, 2, /* test mode, min, max */
216 0, /* allow broadcast SSID probe resp */
217 0, 0, /* privacy must start, can join */
218 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
221 static const UCHAR b4_default_startup_parms[] = {
222 0, 0, /* Adhoc station */
223 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
224 0, 0, 0, 0, 0, 0, 0, 0,
225 0, 0, 0, 0, 0, 0, 0, 0,
226 0, 0, 0, 0, 0, 0, 0, 0,
227 1, 0, /* Active scan, CA Mode */
228 0, 0, 0, 0, 0, 0, /* No default MAC addr */
229 0x7f, 0xff, /* Frag threshold */
230 0x02, 0x00, /* Hop time */
231 0x00, 0x01, /* Beacon period */
232 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
233 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
234 0x7f, 0xff, /* RTS threshold */
235 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
236 0x05, /* assoc resp timeout thresh */
237 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
238 0, /* Promiscuous mode */
239 0x0c, 0x0bd, /* Unique word */
240 0x4e, /* Slot time (TBD seems wrong) */
241 0xff, 0xff, /* roam-low snr, low snr count */
242 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
243 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
244 /* b4 - b5 differences start here */
245 0x3f, 0x0f, /* CW max, min */
246 0x04, 0x08, /* Noise gain, limit offset */
247 0x28, 0x28, /* det rssi, med busy offsets */
248 7, /* det sync thresh */
249 0, 2, 2, /* test mode, min, max */
251 0, 0, 0, 0, 0, 0, /* current BSS id */
255 /*===========================================================================*/
256 static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
258 static const char hop_pattern_length[] = { 1,
259 USA_HOP_MOD, EUROPE_HOP_MOD,
260 JAPAN_HOP_MOD, KOREA_HOP_MOD,
261 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
262 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
266 static const char rcsid[] =
267 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
269 static const struct net_device_ops ray_netdev_ops = {
270 .ndo_init = ray_dev_init,
271 .ndo_open = ray_open,
272 .ndo_stop = ray_dev_close,
273 .ndo_start_xmit = ray_dev_start_xmit,
274 .ndo_set_config = ray_dev_config,
275 .ndo_get_stats = ray_get_stats,
276 .ndo_set_rx_mode = set_multicast_list,
277 .ndo_set_mac_address = eth_mac_addr,
278 .ndo_validate_addr = eth_validate_addr,
281 static int ray_probe(struct pcmcia_device *p_dev)
284 struct net_device *dev;
286 dev_dbg(&p_dev->dev, "ray_attach()\n");
288 /* Allocate space for private device-specific data */
289 dev = alloc_etherdev(sizeof(ray_dev_t));
293 local = netdev_priv(dev);
294 local->finder = p_dev;
296 /* The io structure describes IO port mapping. None used here */
297 p_dev->resource[0]->end = 0;
298 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
300 /* General socket configuration */
301 p_dev->config_flags |= CONF_ENABLE_IRQ;
302 p_dev->config_index = 1;
306 local->finder = p_dev;
307 local->card_status = CARD_INSERTED;
308 local->authentication_state = UNAUTHENTICATED;
309 local->num_multi = 0;
310 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
311 p_dev, dev, local, &ray_interrupt);
313 /* Raylink entries in the device structure */
314 dev->netdev_ops = &ray_netdev_ops;
315 dev->wireless_handlers = &ray_handler_def;
317 local->wireless_data.spy_data = &local->spy_data;
318 dev->wireless_data = &local->wireless_data;
319 #endif /* WIRELESS_SPY */
322 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
323 netif_stop_queue(dev);
325 timer_setup(&local->timer, NULL, 0);
328 return ray_config(p_dev);
334 static void ray_detach(struct pcmcia_device *link)
336 struct net_device *dev;
339 dev_dbg(&link->dev, "ray_detach\n");
346 local = netdev_priv(dev);
347 del_timer_sync(&local->timer);
350 unregister_netdev(dev);
353 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
356 #define MAX_TUPLE_SIZE 128
357 static int ray_config(struct pcmcia_device *link)
361 struct net_device *dev = (struct net_device *)link->priv;
362 ray_dev_t *local = netdev_priv(dev);
364 dev_dbg(&link->dev, "ray_config\n");
366 /* Determine card type and firmware version */
367 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
368 link->prod_id[0] ? link->prod_id[0] : " ",
369 link->prod_id[1] ? link->prod_id[1] : " ",
370 link->prod_id[2] ? link->prod_id[2] : " ",
371 link->prod_id[3] ? link->prod_id[3] : " ");
373 /* Now allocate an interrupt line. Note that this does not
374 actually assign a handler to the interrupt.
376 ret = pcmcia_request_irq(link, ray_interrupt);
379 dev->irq = link->irq;
381 ret = pcmcia_enable_device(link);
385 /*** Set up 32k window for shared memory (transmit and control) ************/
386 link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
387 link->resource[2]->start = 0;
388 link->resource[2]->end = 0x8000;
389 ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed);
392 ret = pcmcia_map_mem_page(link, link->resource[2], 0);
395 local->sram = ioremap(link->resource[2]->start,
396 resource_size(link->resource[2]));
400 /*** Set up 16k window for shared memory (receive buffer) ***************/
401 link->resource[3]->flags |=
402 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
403 link->resource[3]->start = 0;
404 link->resource[3]->end = 0x4000;
405 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
408 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
411 local->rmem = ioremap(link->resource[3]->start,
412 resource_size(link->resource[3]));
416 /*** Set up window for attribute memory ***********************************/
417 link->resource[4]->flags |=
418 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
419 link->resource[4]->start = 0;
420 link->resource[4]->end = 0x1000;
421 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
424 ret = pcmcia_map_mem_page(link, link->resource[4], 0);
427 local->amem = ioremap(link->resource[4]->start,
428 resource_size(link->resource[4]));
432 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
433 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
434 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
435 if (ray_init(dev) < 0) {
440 SET_NETDEV_DEV(dev, &link->dev);
441 i = register_netdev(dev);
443 printk("ray_config register_netdev() failed\n");
448 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
449 dev->name, dev->irq, dev->dev_addr);
458 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
460 return dev->sram + CCS_BASE;
463 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
466 * This looks nonsensical, since there is a separate
467 * RCS_BASE. But the difference between a "struct rcs"
468 * and a "struct ccs" ends up being in the _index_ off
469 * the base, so the base pointer is the same for both
472 return dev->sram + CCS_BASE;
475 /*===========================================================================*/
476 static int ray_init(struct net_device *dev)
479 struct ccs __iomem *pccs;
480 ray_dev_t *local = netdev_priv(dev);
481 struct pcmcia_device *link = local->finder;
482 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
483 if (!(pcmcia_dev_present(link))) {
484 dev_dbg(&link->dev, "ray_init - device not present\n");
488 local->net_type = net_type;
489 local->sta_type = TYPE_STA;
491 /* Copy the startup results to local memory */
492 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
493 sizeof(struct startup_res_6));
495 /* Check Power up test status and get mac address from card */
496 if (local->startup_res.startup_word != 0x80) {
497 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
498 local->startup_res.startup_word);
499 local->card_status = CARD_INIT_ERROR;
503 local->fw_ver = local->startup_res.firmware_version[0];
504 local->fw_bld = local->startup_res.firmware_version[1];
505 local->fw_var = local->startup_res.firmware_version[2];
506 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
509 local->tib_length = 0x20;
510 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
511 local->tib_length = local->startup_res.tib_length;
512 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
513 /* Initialize CCS's to buffer free state */
514 pccs = ccs_base(local);
515 for (i = 0; i < NUMBER_OF_CCS; i++) {
516 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
518 init_startup_params(local);
520 /* copy mac address to startup parameters */
521 if (!parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
522 memcpy(&local->sparm.b4.a_mac_addr,
523 &local->startup_res.station_addr, ADDRLEN);
526 clear_interrupt(local); /* Clear any interrupt from the card */
527 local->card_status = CARD_AWAITING_PARAM;
528 dev_dbg(&link->dev, "ray_init ending\n");
532 /*===========================================================================*/
533 /* Download startup parameters to the card and command it to read them */
534 static int dl_startup_params(struct net_device *dev)
537 ray_dev_t *local = netdev_priv(dev);
538 struct ccs __iomem *pccs;
539 struct pcmcia_device *link = local->finder;
541 dev_dbg(&link->dev, "dl_startup_params entered\n");
542 if (!(pcmcia_dev_present(link))) {
543 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
547 /* Copy parameters to host to ECF area */
548 if (local->fw_ver == 0x55)
549 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
550 sizeof(struct b4_startup_params));
552 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
553 sizeof(struct b5_startup_params));
555 /* Fill in the CCS fields for the ECF */
556 if ((ccsindex = get_free_ccs(local)) < 0)
558 local->dl_param_ccs = ccsindex;
559 pccs = ccs_base(local) + ccsindex;
560 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
561 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
562 local->dl_param_ccs);
563 /* Interrupt the firmware to process the command */
564 if (interrupt_ecf(local, ccsindex)) {
565 printk(KERN_INFO "ray dl_startup_params failed - "
566 "ECF not ready for intr\n");
567 local->card_status = CARD_DL_PARAM_ERROR;
568 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
571 local->card_status = CARD_DL_PARAM;
572 /* Start kernel timer to wait for dl startup to complete. */
573 local->timer.expires = jiffies + HZ / 2;
574 local->timer.function = verify_dl_startup;
575 add_timer(&local->timer);
577 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
579 } /* dl_startup_params */
581 /*===========================================================================*/
582 static void init_startup_params(ray_dev_t *local)
586 if (country > JAPAN_TEST)
588 else if (country < USA)
590 /* structure for hop time and beacon period is defined here using
591 * New 802.11D6.1 format. Card firmware is still using old format
594 * a_hop_time ms byte a_hop_time ms byte
595 * a_hop_time 2s byte a_hop_time ls byte
596 * a_hop_time ls byte a_beacon_period ms byte
597 * a_beacon_period a_beacon_period ls byte
599 * a_hop_time = uS a_hop_time = KuS
600 * a_beacon_period = hops a_beacon_period = KuS
601 *//* 64ms = 010000 */
602 if (local->fw_ver == 0x55) {
603 memcpy(&local->sparm.b4, b4_default_startup_parms,
604 sizeof(struct b4_startup_params));
605 /* Translate sane kus input values to old build 4/5 format */
606 /* i = hop time in uS truncated to 3 bytes */
607 i = (hop_dwell * 1024) & 0xffffff;
608 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
609 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
610 local->sparm.b4.a_beacon_period[0] = 0;
611 local->sparm.b4.a_beacon_period[1] =
612 ((beacon_period / hop_dwell) - 1) & 0xff;
613 local->sparm.b4.a_curr_country_code = country;
614 local->sparm.b4.a_hop_pattern_length =
615 hop_pattern_length[(int)country] - 1;
617 local->sparm.b4.a_ack_timeout = 0x50;
618 local->sparm.b4.a_sifs = 0x3f;
620 } else { /* Version 5 uses real kus values */
621 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
622 sizeof(struct b5_startup_params));
624 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
625 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
626 local->sparm.b5.a_beacon_period[0] =
627 (beacon_period >> 8) & 0xff;
628 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
630 local->sparm.b5.a_power_mgt_state = 1;
631 local->sparm.b5.a_curr_country_code = country;
632 local->sparm.b5.a_hop_pattern_length =
633 hop_pattern_length[(int)country];
636 local->sparm.b4.a_network_type = net_type & 0x01;
637 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
640 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
641 } /* init_startup_params */
643 /*===========================================================================*/
644 static void verify_dl_startup(struct timer_list *t)
646 ray_dev_t *local = from_timer(local, t, timer);
647 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
649 struct pcmcia_device *link = local->finder;
651 if (!(pcmcia_dev_present(link))) {
652 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
659 "verify_dl_startup parameters sent via ccs %d:\n",
660 local->dl_param_ccs);
661 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
663 (unsigned int)readb(local->sram +
664 HOST_TO_ECF_BASE + i));
670 status = readb(&pccs->buffer_status);
671 if (status != CCS_BUFFER_FREE) {
673 "Download startup params failed. Status = %d\n",
675 local->card_status = CARD_DL_PARAM_ERROR;
678 if (local->sparm.b4.a_network_type == ADHOC)
679 start_net(&local->timer);
681 join_net(&local->timer);
682 } /* end verify_dl_startup */
684 /*===========================================================================*/
685 /* Command card to start a network */
686 static void start_net(struct timer_list *t)
688 ray_dev_t *local = from_timer(local, t, timer);
689 struct ccs __iomem *pccs;
691 struct pcmcia_device *link = local->finder;
692 if (!(pcmcia_dev_present(link))) {
693 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
696 /* Fill in the CCS fields for the ECF */
697 if ((ccsindex = get_free_ccs(local)) < 0)
699 pccs = ccs_base(local) + ccsindex;
700 writeb(CCS_START_NETWORK, &pccs->cmd);
701 writeb(0, &pccs->var.start_network.update_param);
702 /* Interrupt the firmware to process the command */
703 if (interrupt_ecf(local, ccsindex)) {
704 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
705 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
708 local->card_status = CARD_DOING_ACQ;
709 } /* end start_net */
711 /*===========================================================================*/
712 /* Command card to join a network */
713 static void join_net(struct timer_list *t)
715 ray_dev_t *local = from_timer(local, t, timer);
717 struct ccs __iomem *pccs;
719 struct pcmcia_device *link = local->finder;
721 if (!(pcmcia_dev_present(link))) {
722 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
725 /* Fill in the CCS fields for the ECF */
726 if ((ccsindex = get_free_ccs(local)) < 0)
728 pccs = ccs_base(local) + ccsindex;
729 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
730 writeb(0, &pccs->var.join_network.update_param);
731 writeb(0, &pccs->var.join_network.net_initiated);
732 /* Interrupt the firmware to process the command */
733 if (interrupt_ecf(local, ccsindex)) {
734 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
735 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
738 local->card_status = CARD_DOING_ACQ;
742 static void ray_release(struct pcmcia_device *link)
744 struct net_device *dev = link->priv;
745 ray_dev_t *local = netdev_priv(dev);
747 dev_dbg(&link->dev, "ray_release\n");
749 del_timer(&local->timer);
751 iounmap(local->sram);
752 iounmap(local->rmem);
753 iounmap(local->amem);
754 pcmcia_disable_device(link);
756 dev_dbg(&link->dev, "ray_release ending\n");
759 static int ray_suspend(struct pcmcia_device *link)
761 struct net_device *dev = link->priv;
764 netif_device_detach(dev);
769 static int ray_resume(struct pcmcia_device *link)
771 struct net_device *dev = link->priv;
775 netif_device_attach(dev);
781 /*===========================================================================*/
782 static int ray_dev_init(struct net_device *dev)
784 #ifdef RAY_IMMEDIATE_INIT
786 #endif /* RAY_IMMEDIATE_INIT */
787 ray_dev_t *local = netdev_priv(dev);
788 struct pcmcia_device *link = local->finder;
790 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
791 if (!(pcmcia_dev_present(link))) {
792 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
795 #ifdef RAY_IMMEDIATE_INIT
796 /* Download startup parameters */
797 if ((i = dl_startup_params(dev)) < 0) {
798 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
799 "returns 0x%x\n", i);
802 #else /* RAY_IMMEDIATE_INIT */
803 /* Postpone the card init so that we can still configure the card,
804 * for example using the Wireless Extensions. The init will happen
805 * in ray_open() - Jean II */
807 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
809 #endif /* RAY_IMMEDIATE_INIT */
811 /* copy mac and broadcast addresses to linux device */
812 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
813 eth_broadcast_addr(dev->broadcast);
815 dev_dbg(&link->dev, "ray_dev_init ending\n");
819 /*===========================================================================*/
820 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
822 ray_dev_t *local = netdev_priv(dev);
823 struct pcmcia_device *link = local->finder;
824 /* Dummy routine to satisfy device structure */
825 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
826 if (!(pcmcia_dev_present(link))) {
827 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
834 /*===========================================================================*/
835 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
836 struct net_device *dev)
838 ray_dev_t *local = netdev_priv(dev);
839 struct pcmcia_device *link = local->finder;
840 short length = skb->len;
842 if (!pcmcia_dev_present(link)) {
843 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
848 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
849 if (local->authentication_state == NEED_TO_AUTH) {
850 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
851 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
852 local->authentication_state = AUTHENTICATED;
853 netif_stop_queue(dev);
854 return NETDEV_TX_BUSY;
858 if (length < ETH_ZLEN) {
859 if (skb_padto(skb, ETH_ZLEN))
863 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
866 netif_stop_queue(dev);
867 return NETDEV_TX_BUSY;
876 } /* ray_dev_start_xmit */
878 /*===========================================================================*/
879 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
882 ray_dev_t *local = netdev_priv(dev);
883 struct ccs __iomem *pccs;
886 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
887 short int addr; /* Address of xmit buffer in card space */
889 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
890 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
891 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
895 switch (ccsindex = get_free_tx_ccs(local)) {
897 pr_debug("ray_hw_xmit tx_ccs table busy\n");
899 pr_debug("ray_hw_xmit No free tx ccs\n");
901 netif_stop_queue(dev);
906 addr = TX_BUF_BASE + (ccsindex << 11);
908 if (msg_type == DATA_TYPE) {
909 local->stats.tx_bytes += len;
910 local->stats.tx_packets++;
913 ptx = local->sram + addr;
915 ray_build_header(local, ptx, msg_type, data);
917 offset = translate_frame(local, ptx, data, len);
918 } else { /* Encapsulate frame */
919 /* TBD TIB length will move address of ptx->var */
920 memcpy_toio(&ptx->var, data, len);
924 /* fill in the CCS */
925 pccs = ccs_base(local) + ccsindex;
926 len += TX_HEADER_LENGTH + offset;
927 writeb(CCS_TX_REQUEST, &pccs->cmd);
928 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
929 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
930 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
931 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
932 /* TBD still need psm_cam? */
933 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
934 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
935 writeb(0, &pccs->var.tx_request.antenna);
936 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
937 local->net_default_tx_rate);
939 /* Interrupt the firmware to process the command */
940 if (interrupt_ecf(local, ccsindex)) {
941 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
942 /* TBD very inefficient to copy packet to buffer, and then not
943 send it, but the alternative is to queue the messages and that
944 won't be done for a while. Maybe set tbusy until a CCS is free?
946 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
950 } /* end ray_hw_xmit */
952 /*===========================================================================*/
953 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
954 unsigned char *data, int len)
956 __be16 proto = ((struct ethhdr *)data)->h_proto;
957 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
958 pr_debug("ray_cs translate_frame DIX II\n");
959 /* Copy LLC header to card buffer */
960 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
961 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
962 (UCHAR *) &proto, 2);
963 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
964 /* This is the selective translation table, only 2 entries */
966 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
968 /* Copy body of ethernet packet without ethernet header */
969 memcpy_toio((void __iomem *)&ptx->var +
970 sizeof(struct snaphdr_t), data + ETH_HLEN,
972 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
973 } else { /* already 802 type, and proto is length */
974 pr_debug("ray_cs translate_frame 802\n");
975 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
976 pr_debug("ray_cs translate_frame evil IPX\n");
977 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
980 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
983 /* TBD do other frame types */
984 } /* end translate_frame */
986 /*===========================================================================*/
987 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
988 UCHAR msg_type, unsigned char *data)
990 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
991 /*** IEEE 802.11 Address field assignments *************
992 TODS FROMDS addr_1 addr_2 addr_3 addr_4
993 Adhoc 0 0 dest src (terminal) BSSID N/A
994 AP to Terminal 0 1 dest AP(BSSID) source N/A
995 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
996 AP to AP 1 1 dest AP src AP dest source
997 *******************************************************/
998 if (local->net_type == ADHOC) {
999 writeb(0, &ptx->mac.frame_ctl_2);
1000 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1002 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1003 } else { /* infrastructure */
1005 if (local->sparm.b4.a_acting_as_ap_status) {
1006 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1007 memcpy_toio(ptx->mac.addr_1,
1008 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1009 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1010 memcpy_toio(ptx->mac.addr_3,
1011 ((struct ethhdr *)data)->h_source, ADDRLEN);
1012 } else { /* Terminal */
1014 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1015 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1016 memcpy_toio(ptx->mac.addr_2,
1017 ((struct ethhdr *)data)->h_source, ADDRLEN);
1018 memcpy_toio(ptx->mac.addr_3,
1019 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1022 } /* end encapsulate_frame */
1024 /*====================================================================*/
1026 /*------------------------------------------------------------------*/
1028 * Wireless Handler : get protocol name
1030 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1031 union iwreq_data *wrqu, char *extra)
1033 strcpy(wrqu->name, "IEEE 802.11-FH");
1037 /*------------------------------------------------------------------*/
1039 * Wireless Handler : set frequency
1041 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1042 union iwreq_data *wrqu, char *extra)
1044 ray_dev_t *local = netdev_priv(dev);
1045 int err = -EINPROGRESS; /* Call commit handler */
1047 /* Reject if card is already initialised */
1048 if (local->card_status != CARD_AWAITING_PARAM)
1051 /* Setting by channel number */
1052 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1055 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1060 /*------------------------------------------------------------------*/
1062 * Wireless Handler : get frequency
1064 static int ray_get_freq(struct net_device *dev, struct iw_request_info *info,
1065 union iwreq_data *wrqu, char *extra)
1067 ray_dev_t *local = netdev_priv(dev);
1069 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1074 /*------------------------------------------------------------------*/
1076 * Wireless Handler : set ESSID
1078 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1079 union iwreq_data *wrqu, char *extra)
1081 ray_dev_t *local = netdev_priv(dev);
1083 /* Reject if card is already initialised */
1084 if (local->card_status != CARD_AWAITING_PARAM)
1087 /* Check if we asked for `any' */
1088 if (wrqu->essid.flags == 0)
1089 /* Corey : can you do that ? */
1092 /* Check the size of the string */
1093 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1096 /* Set the ESSID in the card */
1097 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1098 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1100 return -EINPROGRESS; /* Call commit handler */
1103 /*------------------------------------------------------------------*/
1105 * Wireless Handler : get ESSID
1107 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1108 union iwreq_data *wrqu, char *extra)
1110 ray_dev_t *local = netdev_priv(dev);
1111 UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1113 /* Get the essid that was set */
1114 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1115 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1116 tmp[IW_ESSID_MAX_SIZE] = '\0';
1119 wrqu->essid.length = strlen(tmp);
1120 wrqu->essid.flags = 1; /* active */
1125 /*------------------------------------------------------------------*/
1127 * Wireless Handler : get AP address
1129 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1130 union iwreq_data *wrqu, char *extra)
1132 ray_dev_t *local = netdev_priv(dev);
1134 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1135 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1140 /*------------------------------------------------------------------*/
1142 * Wireless Handler : set Bit-Rate
1144 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1145 union iwreq_data *wrqu, char *extra)
1147 ray_dev_t *local = netdev_priv(dev);
1149 /* Reject if card is already initialised */
1150 if (local->card_status != CARD_AWAITING_PARAM)
1153 /* Check if rate is in range */
1154 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1157 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1158 if ((local->fw_ver == 0x55) && /* Please check */
1159 (wrqu->bitrate.value == 2000000))
1160 local->net_default_tx_rate = 3;
1162 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1167 /*------------------------------------------------------------------*/
1169 * Wireless Handler : get Bit-Rate
1171 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1172 union iwreq_data *wrqu, char *extra)
1174 ray_dev_t *local = netdev_priv(dev);
1176 if (local->net_default_tx_rate == 3)
1177 wrqu->bitrate.value = 2000000; /* Hum... */
1179 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1180 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1185 /*------------------------------------------------------------------*/
1187 * Wireless Handler : set RTS threshold
1189 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1190 union iwreq_data *wrqu, char *extra)
1192 ray_dev_t *local = netdev_priv(dev);
1193 int rthr = wrqu->rts.value;
1195 /* Reject if card is already initialised */
1196 if (local->card_status != CARD_AWAITING_PARAM)
1199 /* if(wrq->u.rts.fixed == 0) we should complain */
1200 if (wrqu->rts.disabled)
1203 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1206 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1207 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1209 return -EINPROGRESS; /* Call commit handler */
1212 /*------------------------------------------------------------------*/
1214 * Wireless Handler : get RTS threshold
1216 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1217 union iwreq_data *wrqu, char *extra)
1219 ray_dev_t *local = netdev_priv(dev);
1221 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1222 + local->sparm.b5.a_rts_threshold[1];
1223 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1224 wrqu->rts.fixed = 1;
1229 /*------------------------------------------------------------------*/
1231 * Wireless Handler : set Fragmentation threshold
1233 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1234 union iwreq_data *wrqu, char *extra)
1236 ray_dev_t *local = netdev_priv(dev);
1237 int fthr = wrqu->frag.value;
1239 /* Reject if card is already initialised */
1240 if (local->card_status != CARD_AWAITING_PARAM)
1243 /* if(wrq->u.frag.fixed == 0) should complain */
1244 if (wrqu->frag.disabled)
1247 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1250 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1251 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1253 return -EINPROGRESS; /* Call commit handler */
1256 /*------------------------------------------------------------------*/
1258 * Wireless Handler : get Fragmentation threshold
1260 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1261 union iwreq_data *wrqu, char *extra)
1263 ray_dev_t *local = netdev_priv(dev);
1265 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1266 + local->sparm.b5.a_frag_threshold[1];
1267 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1268 wrqu->frag.fixed = 1;
1273 /*------------------------------------------------------------------*/
1275 * Wireless Handler : set Mode of Operation
1277 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1278 union iwreq_data *wrqu, char *extra)
1280 ray_dev_t *local = netdev_priv(dev);
1281 int err = -EINPROGRESS; /* Call commit handler */
1284 /* Reject if card is already initialised */
1285 if (local->card_status != CARD_AWAITING_PARAM)
1288 switch (wrqu->mode) {
1293 local->sparm.b5.a_network_type = card_mode;
1302 /*------------------------------------------------------------------*/
1304 * Wireless Handler : get Mode of Operation
1306 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1307 union iwreq_data *wrqu, char *extra)
1309 ray_dev_t *local = netdev_priv(dev);
1311 if (local->sparm.b5.a_network_type)
1312 wrqu->mode = IW_MODE_INFRA;
1314 wrqu->mode = IW_MODE_ADHOC;
1319 /*------------------------------------------------------------------*/
1321 * Wireless Handler : get range info
1323 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1324 union iwreq_data *wrqu, char *extra)
1326 struct iw_range *range = (struct iw_range *)extra;
1328 memset(range, 0, sizeof(struct iw_range));
1330 /* Set the length (very important for backward compatibility) */
1331 wrqu->data.length = sizeof(struct iw_range);
1333 /* Set the Wireless Extension versions */
1334 range->we_version_compiled = WIRELESS_EXT;
1335 range->we_version_source = 9;
1337 /* Set information in the range struct */
1338 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1339 range->num_channels = hop_pattern_length[(int)country];
1340 range->num_frequency = 0;
1341 range->max_qual.qual = 0;
1342 range->max_qual.level = 255; /* What's the correct value ? */
1343 range->max_qual.noise = 255; /* Idem */
1344 range->num_bitrates = 2;
1345 range->bitrate[0] = 1000000; /* 1 Mb/s */
1346 range->bitrate[1] = 2000000; /* 2 Mb/s */
1350 /*------------------------------------------------------------------*/
1352 * Wireless Private Handler : set framing mode
1354 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1355 union iwreq_data *wrqu, char *extra)
1357 translate = !!*(extra); /* Set framing mode */
1362 /*------------------------------------------------------------------*/
1364 * Wireless Private Handler : get framing mode
1366 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1367 union iwreq_data *wrqu, char *extra)
1369 *(extra) = translate;
1374 /*------------------------------------------------------------------*/
1376 * Wireless Private Handler : get country
1378 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1379 union iwreq_data *wrqu, char *extra)
1386 /*------------------------------------------------------------------*/
1388 * Commit handler : called after a bunch of SET operations
1390 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1391 union iwreq_data *wrqu, char *extra)
1396 /*------------------------------------------------------------------*/
1398 * Stats handler : return Wireless Stats
1400 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1402 ray_dev_t *local = netdev_priv(dev);
1403 struct pcmcia_device *link = local->finder;
1404 struct status __iomem *p = local->sram + STATUS_BASE;
1406 local->wstats.status = local->card_status;
1408 if ((local->spy_data.spy_number > 0)
1409 && (local->sparm.b5.a_network_type == 0)) {
1410 /* Get it from the first node in spy list */
1411 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1412 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1413 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1414 local->wstats.qual.updated =
1415 local->spy_data.spy_stat[0].updated;
1417 #endif /* WIRELESS_SPY */
1419 if (pcmcia_dev_present(link)) {
1420 local->wstats.qual.noise = readb(&p->rxnoise);
1421 local->wstats.qual.updated |= 4;
1424 return &local->wstats;
1425 } /* end ray_get_wireless_stats */
1427 /*------------------------------------------------------------------*/
1429 * Structures to export the Wireless Handlers
1432 static const iw_handler ray_handler[] = {
1433 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1434 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1435 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1436 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1437 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1438 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1439 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1441 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1442 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1443 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1444 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1445 #endif /* WIRELESS_SPY */
1446 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1447 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1448 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1449 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1450 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1451 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1452 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1453 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1454 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1457 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1458 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1459 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1461 static const iw_handler ray_private_handler[] = {
1462 [0] = ray_set_framing,
1463 [1] = ray_get_framing,
1464 [3] = ray_get_country,
1467 static const struct iw_priv_args ray_private_args[] = {
1468 /* cmd, set_args, get_args, name */
1469 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1471 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1473 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1477 static const struct iw_handler_def ray_handler_def = {
1478 .num_standard = ARRAY_SIZE(ray_handler),
1479 .num_private = ARRAY_SIZE(ray_private_handler),
1480 .num_private_args = ARRAY_SIZE(ray_private_args),
1481 .standard = ray_handler,
1482 .private = ray_private_handler,
1483 .private_args = ray_private_args,
1484 .get_wireless_stats = ray_get_wireless_stats,
1487 /*===========================================================================*/
1488 static int ray_open(struct net_device *dev)
1490 ray_dev_t *local = netdev_priv(dev);
1491 struct pcmcia_device *link;
1492 link = local->finder;
1494 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1496 if (link->open == 0)
1497 local->num_multi = 0;
1500 /* If the card is not started, time to start it ! - Jean II */
1501 if (local->card_status == CARD_AWAITING_PARAM) {
1504 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1506 /* Download startup parameters */
1507 if ((i = dl_startup_params(dev)) < 0) {
1509 "ray_dev_init dl_startup_params failed - "
1510 "returns 0x%x\n", i);
1516 netif_stop_queue(dev);
1518 netif_start_queue(dev);
1520 dev_dbg(&link->dev, "ray_open ending\n");
1522 } /* end ray_open */
1524 /*===========================================================================*/
1525 static int ray_dev_close(struct net_device *dev)
1527 ray_dev_t *local = netdev_priv(dev);
1528 struct pcmcia_device *link;
1529 link = local->finder;
1531 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1534 netif_stop_queue(dev);
1536 /* In here, we should stop the hardware (stop card from beeing active)
1537 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1538 * card is closed we can chage its configuration.
1539 * Probably also need a COR reset to get sane state - Jean II */
1542 } /* end ray_dev_close */
1544 /*===========================================================================*/
1545 static void ray_reset(struct net_device *dev)
1547 pr_debug("ray_reset entered\n");
1550 /*===========================================================================*/
1551 /* Cause a firmware interrupt if it is ready for one */
1552 /* Return nonzero if not ready */
1553 static int interrupt_ecf(ray_dev_t *local, int ccs)
1556 struct pcmcia_device *link = local->finder;
1558 if (!(pcmcia_dev_present(link))) {
1559 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1562 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1565 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1569 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1572 /* Fill the mailbox, then kick the card */
1573 writeb(ccs, local->sram + SCB_BASE);
1574 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1576 } /* interrupt_ecf */
1578 /*===========================================================================*/
1579 /* Get next free transmit CCS */
1580 /* Return - index of current tx ccs */
1581 static int get_free_tx_ccs(ray_dev_t *local)
1584 struct ccs __iomem *pccs = ccs_base(local);
1585 struct pcmcia_device *link = local->finder;
1587 if (!(pcmcia_dev_present(link))) {
1588 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1592 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1593 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1597 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1598 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1599 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1600 writeb(CCS_END_LIST, &(pccs + i)->link);
1601 local->tx_ccs_lock = 0;
1605 local->tx_ccs_lock = 0;
1606 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1608 } /* get_free_tx_ccs */
1610 /*===========================================================================*/
1611 /* Get next free CCS */
1612 /* Return - index of current ccs */
1613 static int get_free_ccs(ray_dev_t *local)
1616 struct ccs __iomem *pccs = ccs_base(local);
1617 struct pcmcia_device *link = local->finder;
1619 if (!(pcmcia_dev_present(link))) {
1620 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1623 if (test_and_set_bit(0, &local->ccs_lock)) {
1624 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1628 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1629 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1630 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1631 writeb(CCS_END_LIST, &(pccs + i)->link);
1632 local->ccs_lock = 0;
1636 local->ccs_lock = 0;
1637 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1639 } /* get_free_ccs */
1641 /*===========================================================================*/
1642 static void authenticate_timeout(struct timer_list *t)
1644 ray_dev_t *local = from_timer(local, t, timer);
1645 del_timer(&local->timer);
1646 printk(KERN_INFO "ray_cs Authentication with access point failed"
1648 join_net(&local->timer);
1651 /*===========================================================================*/
1652 static int parse_addr(char *in_str, UCHAR *out)
1660 if ((len = strlen(in_str)) < 2)
1662 memset(out, 0, ADDRLEN);
1671 if ((k = hex_to_bin(in_str[j--])) != -1)
1678 if ((k = hex_to_bin(in_str[j--])) != -1)
1688 /*===========================================================================*/
1689 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1691 ray_dev_t *local = netdev_priv(dev);
1692 struct pcmcia_device *link = local->finder;
1693 struct status __iomem *p = local->sram + STATUS_BASE;
1694 if (!(pcmcia_dev_present(link))) {
1695 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1696 return &local->stats;
1698 if (readb(&p->mrx_overflow_for_host)) {
1699 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1700 writeb(0, &p->mrx_overflow);
1701 writeb(0, &p->mrx_overflow_for_host);
1703 if (readb(&p->mrx_checksum_error_for_host)) {
1704 local->stats.rx_crc_errors +=
1705 swab16(readw(&p->mrx_checksum_error));
1706 writeb(0, &p->mrx_checksum_error);
1707 writeb(0, &p->mrx_checksum_error_for_host);
1709 if (readb(&p->rx_hec_error_for_host)) {
1710 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1711 writeb(0, &p->rx_hec_error);
1712 writeb(0, &p->rx_hec_error_for_host);
1714 return &local->stats;
1717 /*===========================================================================*/
1718 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1721 ray_dev_t *local = netdev_priv(dev);
1722 struct pcmcia_device *link = local->finder;
1725 struct ccs __iomem *pccs;
1727 if (!(pcmcia_dev_present(link))) {
1728 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1732 if ((ccsindex = get_free_ccs(local)) < 0) {
1733 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1736 pccs = ccs_base(local) + ccsindex;
1737 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1738 writeb(objid, &pccs->var.update_param.object_id);
1739 writeb(1, &pccs->var.update_param.number_objects);
1740 writeb(0, &pccs->var.update_param.failure_cause);
1741 for (i = 0; i < len; i++) {
1742 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1744 /* Interrupt the firmware to process the command */
1745 if (interrupt_ecf(local, ccsindex)) {
1746 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1747 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1751 /*===========================================================================*/
1752 static void ray_update_multi_list(struct net_device *dev, int all)
1755 struct ccs __iomem *pccs;
1756 ray_dev_t *local = netdev_priv(dev);
1757 struct pcmcia_device *link = local->finder;
1758 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1760 if (!(pcmcia_dev_present(link))) {
1761 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1764 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1765 if ((ccsindex = get_free_ccs(local)) < 0) {
1766 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1769 pccs = ccs_base(local) + ccsindex;
1770 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1773 writeb(0xff, &pccs->var);
1774 local->num_multi = 0xff;
1776 struct netdev_hw_addr *ha;
1779 /* Copy the kernel's list of MC addresses to card */
1780 netdev_for_each_mc_addr(ha, dev) {
1781 memcpy_toio(p, ha->addr, ETH_ALEN);
1782 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1787 if (i > 256 / ADDRLEN)
1789 writeb((UCHAR) i, &pccs->var);
1790 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1791 /* Interrupt the firmware to process the command */
1792 local->num_multi = i;
1794 if (interrupt_ecf(local, ccsindex)) {
1796 "ray_cs update_multi failed - ECF not ready for intr\n");
1797 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1799 } /* end ray_update_multi_list */
1801 /*===========================================================================*/
1802 static void set_multicast_list(struct net_device *dev)
1804 ray_dev_t *local = netdev_priv(dev);
1807 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1809 if (dev->flags & IFF_PROMISC) {
1810 if (local->sparm.b5.a_promiscuous_mode == 0) {
1811 pr_debug("ray_cs set_multicast_list promisc on\n");
1812 local->sparm.b5.a_promiscuous_mode = 1;
1814 ray_update_parm(dev, OBJID_promiscuous_mode,
1815 &promisc, sizeof(promisc));
1818 if (local->sparm.b5.a_promiscuous_mode == 1) {
1819 pr_debug("ray_cs set_multicast_list promisc off\n");
1820 local->sparm.b5.a_promiscuous_mode = 0;
1822 ray_update_parm(dev, OBJID_promiscuous_mode,
1823 &promisc, sizeof(promisc));
1827 if (dev->flags & IFF_ALLMULTI)
1828 ray_update_multi_list(dev, 1);
1830 if (local->num_multi != netdev_mc_count(dev))
1831 ray_update_multi_list(dev, 0);
1833 } /* end set_multicast_list */
1835 /*=============================================================================
1836 * All routines below here are run at interrupt time.
1837 =============================================================================*/
1838 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1840 struct net_device *dev = (struct net_device *)dev_id;
1841 struct pcmcia_device *link;
1843 struct ccs __iomem *pccs;
1844 struct rcs __iomem *prcs;
1849 UCHAR memtmp[ESSID_SIZE + 1];
1852 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1855 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1857 local = netdev_priv(dev);
1858 link = local->finder;
1859 if (!pcmcia_dev_present(link)) {
1861 "ray_cs interrupt from device not present or suspended.\n");
1864 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1866 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1867 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1868 clear_interrupt(local);
1871 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1872 pccs = ccs_base(local) + rcsindex;
1873 cmd = readb(&pccs->cmd);
1874 status = readb(&pccs->buffer_status);
1876 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1877 del_timer(&local->timer);
1878 if (status == CCS_COMMAND_COMPLETE) {
1880 "ray_cs interrupt download_startup_parameters OK\n");
1883 "ray_cs interrupt download_startup_parameters fail\n");
1886 case CCS_UPDATE_PARAMS:
1887 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1888 if (status != CCS_COMMAND_COMPLETE) {
1890 readb(&pccs->var.update_param.
1893 "ray_cs interrupt update params failed - reason %d\n",
1897 case CCS_REPORT_PARAMS:
1898 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1900 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1902 "ray_cs interrupt CCS Update Multicast List done\n");
1904 case CCS_UPDATE_POWER_SAVINGS_MODE:
1906 "ray_cs interrupt update power save mode done\n");
1908 case CCS_START_NETWORK:
1909 case CCS_JOIN_NETWORK:
1910 memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1912 memtmp[ESSID_SIZE] = '\0';
1914 if (status == CCS_COMMAND_COMPLETE) {
1916 (&pccs->var.start_network.net_initiated) ==
1919 "ray_cs interrupt network \"%s\" started\n",
1923 "ray_cs interrupt network \"%s\" joined\n",
1926 memcpy_fromio(&local->bss_id,
1927 pccs->var.start_network.bssid,
1930 if (local->fw_ver == 0x55)
1931 local->net_default_tx_rate = 3;
1933 local->net_default_tx_rate =
1934 readb(&pccs->var.start_network.
1935 net_default_tx_rate);
1937 readb(&pccs->var.start_network.encryption);
1938 if (!sniffer && (local->net_type == INFRA)
1939 && !(local->sparm.b4.a_acting_as_ap_status)) {
1940 authenticate(local);
1942 local->card_status = CARD_ACQ_COMPLETE;
1944 local->card_status = CARD_ACQ_FAILED;
1946 del_timer(&local->timer);
1947 local->timer.expires = jiffies + HZ * 5;
1948 if (status == CCS_START_NETWORK) {
1950 "ray_cs interrupt network \"%s\" start failed\n",
1952 local->timer.function = start_net;
1955 "ray_cs interrupt network \"%s\" join failed\n",
1957 local->timer.function = join_net;
1959 add_timer(&local->timer);
1962 case CCS_START_ASSOCIATION:
1963 if (status == CCS_COMMAND_COMPLETE) {
1964 local->card_status = CARD_ASSOC_COMPLETE;
1965 dev_dbg(&link->dev, "ray_cs association successful\n");
1967 dev_dbg(&link->dev, "ray_cs association failed,\n");
1968 local->card_status = CARD_ASSOC_FAILED;
1969 join_net(&local->timer);
1972 case CCS_TX_REQUEST:
1973 if (status == CCS_COMMAND_COMPLETE) {
1975 "ray_cs interrupt tx request complete\n");
1978 "ray_cs interrupt tx request failed\n");
1981 netif_start_queue(dev);
1982 netif_wake_queue(dev);
1984 case CCS_TEST_MEMORY:
1985 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
1989 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
1991 case CCS_DUMP_MEMORY:
1992 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
1994 case CCS_START_TIMER:
1996 "ray_cs interrupt DING - raylink timer expired\n");
2000 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2003 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2004 } else { /* It's an RCS */
2006 prcs = rcs_base(local) + rcsindex;
2008 switch (readb(&prcs->interrupt_id)) {
2009 case PROCESS_RX_PACKET:
2010 ray_rx(dev, local, prcs);
2012 case REJOIN_NET_COMPLETE:
2013 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2014 local->card_status = CARD_ACQ_COMPLETE;
2015 /* do we need to clear tx buffers CCS's? */
2016 if (local->sparm.b4.a_network_type == ADHOC) {
2018 netif_start_queue(dev);
2020 memcpy_fromio(&local->bss_id,
2021 prcs->var.rejoin_net_complete.
2023 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2026 authenticate(local);
2029 case ROAMING_INITIATED:
2030 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2031 netif_stop_queue(dev);
2032 local->card_status = CARD_DOING_ACQ;
2034 case JAPAN_CALL_SIGN_RXD:
2035 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2039 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2041 (unsigned int)readb(&prcs->interrupt_id));
2044 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2046 clear_interrupt(local);
2048 } /* ray_interrupt */
2050 /*===========================================================================*/
2051 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2052 struct rcs __iomem *prcs)
2055 unsigned int pkt_addr;
2057 pr_debug("ray_rx process rx packet\n");
2059 /* Calculate address of packet within Rx buffer */
2060 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2061 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2062 /* Length of first packet fragment */
2063 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2064 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2066 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2067 pmsg = local->rmem + pkt_addr;
2068 switch (readb(pmsg)) {
2070 pr_debug("ray_rx data type\n");
2071 rx_data(dev, prcs, pkt_addr, rx_len);
2073 case AUTHENTIC_TYPE:
2074 pr_debug("ray_rx authentic type\n");
2076 rx_data(dev, prcs, pkt_addr, rx_len);
2078 rx_authenticate(local, prcs, pkt_addr, rx_len);
2080 case DEAUTHENTIC_TYPE:
2081 pr_debug("ray_rx deauth type\n");
2083 rx_data(dev, prcs, pkt_addr, rx_len);
2085 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2088 pr_debug("ray_cs rx NULL msg\n");
2091 pr_debug("ray_rx beacon type\n");
2093 rx_data(dev, prcs, pkt_addr, rx_len);
2095 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2096 rx_len < sizeof(struct beacon_rx) ?
2097 rx_len : sizeof(struct beacon_rx));
2099 local->beacon_rxed = 1;
2100 /* Get the statistics so the card counters never overflow */
2104 pr_debug("ray_cs unknown pkt type %2x\n",
2105 (unsigned int)readb(pmsg));
2111 /*===========================================================================*/
2112 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2113 unsigned int pkt_addr, int rx_len)
2115 struct sk_buff *skb = NULL;
2116 struct rcs __iomem *prcslink = prcs;
2117 ray_dev_t *local = netdev_priv(dev);
2122 int siglev = local->last_rsl;
2123 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2128 /* TBD length needs fixing for translated header */
2129 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2131 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2134 "ray_cs invalid packet length %d received\n",
2138 } else { /* encapsulated ethernet */
2140 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2142 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2145 "ray_cs invalid packet length %d received\n",
2151 pr_debug("ray_cs rx_data packet\n");
2152 /* If fragmented packet, verify sizes of fragments add up */
2153 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2154 pr_debug("ray_cs rx'ed fragment\n");
2155 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2156 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2161 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2163 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2164 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2167 prcslink = rcs_base(local)
2168 + readb(&prcslink->link_field);
2173 "ray_cs rx_data fragment lengths don't add up\n");
2174 local->stats.rx_dropped++;
2175 release_frag_chain(local, prcs);
2178 } else { /* Single unfragmented packet */
2182 skb = dev_alloc_skb(total_len + 5);
2184 pr_debug("ray_cs rx_data could not allocate skb\n");
2185 local->stats.rx_dropped++;
2186 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2187 release_frag_chain(local, prcs);
2190 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2192 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2195 /************************/
2196 /* Reserve enough room for the whole damn packet. */
2197 rx_ptr = skb_put(skb, total_len);
2198 /* Copy the whole packet to sk_buff */
2200 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2201 /* Get source address */
2203 skb_copy_from_linear_data_offset(skb,
2204 offsetof(struct mac_header, addr_2),
2205 linksrcaddr, ETH_ALEN);
2207 /* Now, deal with encapsulation/translation/sniffer */
2210 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2211 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2212 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2214 /* Do translation */
2215 untranslate(local, skb, total_len);
2217 } else { /* sniffer mode, so just pass whole packet */
2220 /************************/
2221 /* Now pick up the rest of the fragments if any */
2223 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2225 pr_debug("ray_cs rx_data in fragment loop\n");
2227 prcslink = rcs_base(local)
2229 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2231 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2234 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2237 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2239 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2243 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2246 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2248 release_frag_chain(local, prcs);
2251 skb->protocol = eth_type_trans(skb, dev);
2253 local->stats.rx_packets++;
2254 local->stats.rx_bytes += total_len;
2256 /* Gather signal strength per address */
2258 /* For the Access Point or the node having started the ad-hoc net
2259 * note : ad-hoc work only in some specific configurations, but we
2260 * kludge in ray_get_wireless_stats... */
2261 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2262 /* Update statistics */
2263 /*local->wstats.qual.qual = none ? */
2264 local->wstats.qual.level = siglev;
2265 /*local->wstats.qual.noise = none ? */
2266 local->wstats.qual.updated = 0x2;
2268 /* Now, update the spy stuff */
2270 struct iw_quality wstats;
2271 wstats.level = siglev;
2272 /* wstats.noise = none ? */
2273 /* wstats.qual = none ? */
2274 wstats.updated = 0x2;
2275 /* Update spy records */
2276 wireless_spy_update(dev, linksrcaddr, &wstats);
2278 #endif /* WIRELESS_SPY */
2281 /*===========================================================================*/
2282 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2284 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2285 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2286 __be16 type = *(__be16 *) psnap->ethertype;
2288 struct ethhdr *peth;
2289 UCHAR srcaddr[ADDRLEN];
2290 UCHAR destaddr[ADDRLEN];
2291 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2292 static const UCHAR org_1042[3] = { 0, 0, 0 };
2294 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2295 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2299 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2300 DUMP_PREFIX_NONE, 16, 1,
2301 skb->data, 64, true);
2303 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2304 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2305 psnap->org[0], psnap->org[1], psnap->org[2]);
2306 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2310 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2311 /* not a snap type so leave it alone */
2312 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2313 psnap->dsap, psnap->ssap, psnap->ctrl);
2315 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2316 peth = (struct ethhdr *)(skb->data + delta);
2317 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2318 } else { /* Its a SNAP */
2319 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2320 /* EtherII and nuke the LLC */
2321 pr_debug("ray_cs untranslate Bridge encap\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;
2326 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2327 switch (ntohs(type)) {
2330 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2331 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2332 peth = (struct ethhdr *)(skb->data + delta);
2334 htons(len - RX_MAC_HEADER_LENGTH);
2337 pr_debug("ray_cs untranslate RFC default\n");
2338 delta = RX_MAC_HEADER_LENGTH +
2339 sizeof(struct snaphdr_t) - ETH_HLEN;
2340 peth = (struct ethhdr *)(skb->data + delta);
2341 peth->h_proto = type;
2345 printk("ray_cs untranslate very confused by packet\n");
2346 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2347 peth = (struct ethhdr *)(skb->data + delta);
2348 peth->h_proto = type;
2351 /* TBD reserve skb_reserve(skb, delta); */
2352 skb_pull(skb, delta);
2353 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2355 memcpy(peth->h_dest, destaddr, ADDRLEN);
2356 memcpy(peth->h_source, srcaddr, ADDRLEN);
2360 printk(KERN_DEBUG "skb->data after untranslate:");
2361 for (i = 0; i < 64; i++)
2362 printk("%02x ", skb->data[i]);
2366 } /* end untranslate */
2368 /*===========================================================================*/
2369 /* Copy data from circular receive buffer to PC memory.
2370 * dest = destination address in PC memory
2371 * pkt_addr = source address in receive buffer
2372 * len = length of packet to copy
2374 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2377 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2378 if (wrap_bytes <= 0) {
2379 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2380 } else { /* Packet wrapped in circular buffer */
2382 memcpy_fromio(dest, local->rmem + pkt_addr,
2383 length - wrap_bytes);
2384 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2390 /*===========================================================================*/
2391 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2393 struct rcs __iomem *prcslink = prcs;
2395 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2398 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2399 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2400 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2404 prcslink = rcs_base(local) + rcsindex;
2405 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2407 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2410 /*===========================================================================*/
2411 static void authenticate(ray_dev_t *local)
2413 struct pcmcia_device *link = local->finder;
2414 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2415 if (!(pcmcia_dev_present(link))) {
2416 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2420 del_timer(&local->timer);
2421 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2422 local->timer.function = join_net;
2424 local->timer.function = authenticate_timeout;
2426 local->timer.expires = jiffies + HZ * 2;
2427 add_timer(&local->timer);
2428 local->authentication_state = AWAITING_RESPONSE;
2429 } /* end authenticate */
2431 /*===========================================================================*/
2432 static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2433 unsigned int pkt_addr, int rx_len)
2436 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2438 del_timer(&local->timer);
2440 copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2441 /* if we are trying to get authenticated */
2442 if (local->sparm.b4.a_network_type == ADHOC) {
2443 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2444 msg->var[0], msg->var[1], msg->var[2], msg->var[3],
2445 msg->var[4], msg->var[5]);
2446 if (msg->var[2] == 1) {
2447 pr_debug("ray_cs Sending authentication response.\n");
2448 if (!build_auth_frame
2449 (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
2450 local->authentication_state = NEED_TO_AUTH;
2451 memcpy(local->auth_id, msg->mac.addr_2,
2455 } else { /* Infrastructure network */
2457 if (local->authentication_state == AWAITING_RESPONSE) {
2458 /* Verify authentication sequence #2 and success */
2459 if (msg->var[2] == 2) {
2460 if ((msg->var[3] | msg->var[4]) == 0) {
2461 pr_debug("Authentication successful\n");
2462 local->card_status = CARD_AUTH_COMPLETE;
2464 local->authentication_state =
2467 pr_debug("Authentication refused\n");
2468 local->card_status = CARD_AUTH_REFUSED;
2469 join_net(&local->timer);
2470 local->authentication_state =
2477 } /* end rx_authenticate */
2479 /*===========================================================================*/
2480 static void associate(ray_dev_t *local)
2482 struct ccs __iomem *pccs;
2483 struct pcmcia_device *link = local->finder;
2484 struct net_device *dev = link->priv;
2486 if (!(pcmcia_dev_present(link))) {
2487 dev_dbg(&link->dev, "ray_cs associate - device not present\n");
2490 /* If no tx buffers available, return */
2491 if ((ccsindex = get_free_ccs(local)) < 0) {
2492 /* TBD should never be here but... what if we are? */
2493 dev_dbg(&link->dev, "ray_cs associate - No free ccs\n");
2496 dev_dbg(&link->dev, "ray_cs Starting association with access point\n");
2497 pccs = ccs_base(local) + ccsindex;
2498 /* fill in the CCS */
2499 writeb(CCS_START_ASSOCIATION, &pccs->cmd);
2500 /* Interrupt the firmware to process the command */
2501 if (interrupt_ecf(local, ccsindex)) {
2502 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
2503 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2505 del_timer(&local->timer);
2506 local->timer.expires = jiffies + HZ * 2;
2507 local->timer.function = join_net;
2508 add_timer(&local->timer);
2509 local->card_status = CARD_ASSOC_FAILED;
2513 netif_start_queue(dev);
2515 } /* end associate */
2517 /*===========================================================================*/
2518 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2519 unsigned int pkt_addr, int rx_len)
2522 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2524 pr_debug("Deauthentication frame received\n");
2525 local->authentication_state = UNAUTHENTICATED;
2526 /* Need to reauthenticate or rejoin depending on reason code */
2527 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2531 /*===========================================================================*/
2532 static void clear_interrupt(ray_dev_t *local)
2534 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2537 /*===========================================================================*/
2538 #ifdef CONFIG_PROC_FS
2539 #define MAXDATA (PAGE_SIZE - 80)
2541 static const char *card_status[] = {
2542 "Card inserted - uninitialized", /* 0 */
2543 "Card not downloaded", /* 1 */
2544 "Waiting for download parameters", /* 2 */
2545 "Card doing acquisition", /* 3 */
2546 "Acquisition complete", /* 4 */
2547 "Authentication complete", /* 5 */
2548 "Association complete", /* 6 */
2549 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2550 "Card init error", /* 11 */
2551 "Download parameters error", /* 12 */
2553 "Acquisition failed", /* 14 */
2554 "Authentication refused", /* 15 */
2555 "Association failed" /* 16 */
2558 static const char *nettype[] = { "Adhoc", "Infra " };
2559 static const char *framing[] = { "Encapsulation", "Translation" }
2562 /*===========================================================================*/
2563 static int ray_cs_proc_show(struct seq_file *m, void *v)
2565 /* Print current values which are not available via other means
2569 struct pcmcia_device *link;
2570 struct net_device *dev;
2573 struct freq_hop_element *pfh;
2579 dev = (struct net_device *)link->priv;
2582 local = netdev_priv(dev);
2586 seq_puts(m, "Raylink Wireless LAN driver status\n");
2587 seq_printf(m, "%s\n", rcsid);
2588 /* build 4 does not report version, and field is 0x55 after memtest */
2589 seq_puts(m, "Firmware version = ");
2590 if (local->fw_ver == 0x55)
2591 seq_puts(m, "4 - Use dump_cis for more details\n");
2593 seq_printf(m, "%2d.%02d.%02d\n",
2594 local->fw_ver, local->fw_bld, local->fw_var);
2596 for (i = 0; i < 32; i++)
2597 c[i] = local->sparm.b5.a_current_ess_id[i];
2599 seq_printf(m, "%s network ESSID = \"%s\"\n",
2600 nettype[local->sparm.b5.a_network_type], c);
2603 seq_printf(m, "BSSID = %pM\n", p);
2605 seq_printf(m, "Country code = %d\n",
2606 local->sparm.b5.a_curr_country_code);
2608 i = local->card_status;
2613 seq_printf(m, "Card status = %s\n", card_status[i]);
2615 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2617 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2619 if (local->beacon_rxed) {
2620 /* Pull some fields out of last beacon received */
2621 seq_printf(m, "Beacon Interval = %d Kus\n",
2622 local->last_bcn.beacon_intvl[0]
2623 + 256 * local->last_bcn.beacon_intvl[1]);
2625 p = local->last_bcn.elements;
2626 if (p[0] == C_ESSID_ELEMENT_ID)
2630 "Parse beacon failed at essid element id = %d\n",
2635 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2636 seq_puts(m, "Supported rate codes = ");
2637 for (i = 2; i < p[1] + 2; i++)
2638 seq_printf(m, "0x%02x ", p[i]);
2642 seq_puts(m, "Parse beacon failed at rates element\n");
2646 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2647 pfh = (struct freq_hop_element *)p;
2648 seq_printf(m, "Hop dwell = %d Kus\n",
2649 pfh->dwell_time[0] +
2650 256 * pfh->dwell_time[1]);
2651 seq_printf(m, "Hop set = %d\n",
2653 seq_printf(m, "Hop pattern = %d\n",
2655 seq_printf(m, "Hop index = %d\n",
2660 "Parse beacon failed at FH param element\n");
2664 seq_puts(m, "No beacons received\n");
2669 /*===========================================================================*/
2670 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2673 struct ccs __iomem *pccs;
2674 struct tx_msg __iomem *ptx;
2677 /* If no tx buffers available, return */
2678 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2679 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2683 pccs = ccs_base(local) + ccsindex;
2685 /* Address in card space */
2686 addr = TX_BUF_BASE + (ccsindex << 11);
2687 /* fill in the CCS */
2688 writeb(CCS_TX_REQUEST, &pccs->cmd);
2689 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2690 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2691 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2692 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2693 pccs->var.tx_request.tx_data_length + 1);
2694 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2696 ptx = local->sram + addr;
2697 /* fill in the mac header */
2698 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2699 writeb(0, &ptx->mac.frame_ctl_2);
2701 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2702 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2703 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2705 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2706 memset_io(ptx->var, 0, 6);
2707 writeb(auth_type & 0xff, ptx->var + 2);
2709 /* Interrupt the firmware to process the command */
2710 if (interrupt_ecf(local, ccsindex)) {
2712 "ray_cs send authentication request failed - ECF not ready for intr\n");
2713 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2717 } /* End build_auth_frame */
2719 /*===========================================================================*/
2720 #ifdef CONFIG_PROC_FS
2721 static ssize_t ray_cs_essid_proc_write(struct file *file,
2722 const char __user *buffer, size_t count, loff_t *pos)
2724 static char proc_essid[33];
2725 unsigned int len = count;
2729 memset(proc_essid, 0, 33);
2730 if (copy_from_user(proc_essid, buffer, len))
2736 static const struct file_operations ray_cs_essid_proc_fops = {
2737 .owner = THIS_MODULE,
2738 .write = ray_cs_essid_proc_write,
2739 .llseek = noop_llseek,
2742 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2743 size_t count, loff_t *pos)
2745 static char proc_number[10];
2754 if (copy_from_user(proc_number, buffer, count))
2760 unsigned int c = *p - '0';
2766 *(int *)PDE_DATA(file_inode(file)) = nr;
2770 static const struct file_operations int_proc_fops = {
2771 .owner = THIS_MODULE,
2772 .write = int_proc_write,
2773 .llseek = noop_llseek,
2777 static const struct pcmcia_device_id ray_ids[] = {
2778 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2782 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2784 static struct pcmcia_driver ray_driver = {
2785 .owner = THIS_MODULE,
2788 .remove = ray_detach,
2789 .id_table = ray_ids,
2790 .suspend = ray_suspend,
2791 .resume = ray_resume,
2794 static int __init init_ray_cs(void)
2798 pr_debug("%s\n", rcsid);
2799 rc = pcmcia_register_driver(&ray_driver);
2800 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2803 #ifdef CONFIG_PROC_FS
2804 proc_mkdir("driver/ray_cs", NULL);
2806 proc_create_single("driver/ray_cs/ray_cs", 0, NULL, ray_cs_proc_show);
2807 proc_create("driver/ray_cs/essid", 0200, NULL, &ray_cs_essid_proc_fops);
2808 proc_create_data("driver/ray_cs/net_type", 0200, NULL, &int_proc_fops,
2810 proc_create_data("driver/ray_cs/translate", 0200, NULL, &int_proc_fops,
2818 /*===========================================================================*/
2820 static void __exit exit_ray_cs(void)
2822 pr_debug("ray_cs: cleanup_module\n");
2824 #ifdef CONFIG_PROC_FS
2825 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2826 remove_proc_entry("driver/ray_cs/essid", NULL);
2827 remove_proc_entry("driver/ray_cs/net_type", NULL);
2828 remove_proc_entry("driver/ray_cs/translate", NULL);
2829 remove_proc_entry("driver/ray_cs", NULL);
2832 pcmcia_unregister_driver(&ray_driver);
2835 module_init(init_ray_cs);
2836 module_exit(exit_ray_cs);
2838 /*===========================================================================*/