1 /*=============================================================================
3 * A PCMCIA client driver for the Raylink wireless LAN card.
4 * The starting point for this module was the skeleton.c in the
10 * This driver is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 only of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * It is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 * - reorganize kmallocs in ray_attach, checking all for failure
25 * and releasing the previous allocations if one fails
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 <asm/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(u_long);
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(u_long);
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(u_long local);
124 static void start_net(u_long local);
125 /* void start_net(ray_dev_t *local); */
127 /*===========================================================================*/
128 /* Parameters that can be set with 'insmod' */
130 /* ADHOC=0, Infrastructure=1 */
131 static int net_type = ADHOC;
133 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
134 static int hop_dwell = 128;
136 /* Beacon period in Kus */
137 static int beacon_period = 256;
139 /* power save mode (0 = off, 1 = save power) */
142 /* String for network's Extended Service Set ID. 32 Characters max */
145 /* Default to encapsulation unless translation requested */
146 static bool translate = 1;
148 static int country = USA;
154 /* 48 bit physical card address if overriding card's real physical
155 * address is required. Since IEEE 802.11 addresses are 48 bits
156 * like ethernet, an int can't be used, so a string is used. To
157 * allow use of addresses starting with a decimal digit, the first
158 * character must be a letter and will be ignored. This letter is
159 * followed by up to 12 hex digits which are the address. If less
160 * than 12 digits are used, the address will be left filled with 0's.
161 * Note that bit 0 of the first byte is the broadcast bit, and evil
162 * things will happen if it is not 0 in a card address.
164 static char *phy_addr = NULL;
166 static unsigned int ray_mem_speed = 500;
168 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
169 static struct pcmcia_device *this_device = NULL;
172 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
173 MODULE_LICENSE("GPL");
175 module_param(net_type, int, 0);
176 module_param(hop_dwell, int, 0);
177 module_param(beacon_period, int, 0);
178 module_param(psm, int, 0);
179 module_param(essid, charp, 0);
180 module_param(translate, bool, 0);
181 module_param(country, int, 0);
182 module_param(sniffer, int, 0);
183 module_param(bc, int, 0);
184 module_param(phy_addr, charp, 0);
185 module_param(ray_mem_speed, int, 0);
187 static const UCHAR b5_default_startup_parms[] = {
188 0, 0, /* Adhoc station */
189 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
190 0, 0, 0, 0, 0, 0, 0, 0,
191 0, 0, 0, 0, 0, 0, 0, 0,
192 0, 0, 0, 0, 0, 0, 0, 0,
193 1, 0, /* Active scan, CA Mode */
194 0, 0, 0, 0, 0, 0, /* No default MAC addr */
195 0x7f, 0xff, /* Frag threshold */
196 0x00, 0x80, /* Hop time 128 Kus */
197 0x01, 0x00, /* Beacon period 256 Kus */
198 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
199 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
200 0x7f, 0xff, /* RTS threshold */
201 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
202 0x05, /* assoc resp timeout thresh */
203 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
204 0, /* Promiscuous mode */
205 0x0c, 0x0bd, /* Unique word */
206 0x32, /* Slot time */
207 0xff, 0xff, /* roam-low snr, low snr count */
208 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
209 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
210 /* b4 - b5 differences start here */
211 0x00, 0x3f, /* CW max */
212 0x00, 0x0f, /* CW min */
213 0x04, 0x08, /* Noise gain, limit offset */
214 0x28, 0x28, /* det rssi, med busy offsets */
215 7, /* det sync thresh */
216 0, 2, 2, /* test mode, min, max */
217 0, /* allow broadcast SSID probe resp */
218 0, 0, /* privacy must start, can join */
219 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
222 static const UCHAR b4_default_startup_parms[] = {
223 0, 0, /* Adhoc station */
224 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
225 0, 0, 0, 0, 0, 0, 0, 0,
226 0, 0, 0, 0, 0, 0, 0, 0,
227 0, 0, 0, 0, 0, 0, 0, 0,
228 1, 0, /* Active scan, CA Mode */
229 0, 0, 0, 0, 0, 0, /* No default MAC addr */
230 0x7f, 0xff, /* Frag threshold */
231 0x02, 0x00, /* Hop time */
232 0x00, 0x01, /* Beacon period */
233 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
234 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
235 0x7f, 0xff, /* RTS threshold */
236 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
237 0x05, /* assoc resp timeout thresh */
238 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
239 0, /* Promiscuous mode */
240 0x0c, 0x0bd, /* Unique word */
241 0x4e, /* Slot time (TBD seems wrong) */
242 0xff, 0xff, /* roam-low snr, low snr count */
243 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
244 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
245 /* b4 - b5 differences start here */
246 0x3f, 0x0f, /* CW max, min */
247 0x04, 0x08, /* Noise gain, limit offset */
248 0x28, 0x28, /* det rssi, med busy offsets */
249 7, /* det sync thresh */
250 0, 2, 2 /* test mode, min, max */
253 /*===========================================================================*/
254 static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
256 static const char hop_pattern_length[] = { 1,
257 USA_HOP_MOD, EUROPE_HOP_MOD,
258 JAPAN_HOP_MOD, KOREA_HOP_MOD,
259 SPAIN_HOP_MOD, FRANCE_HOP_MOD,
260 ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
264 static const char rcsid[] =
267 static const struct net_device_ops ray_netdev_ops = {
268 .ndo_init = ray_dev_init,
269 .ndo_open = ray_open,
270 .ndo_stop = ray_dev_close,
271 .ndo_start_xmit = ray_dev_start_xmit,
272 .ndo_set_config = ray_dev_config,
273 .ndo_get_stats = ray_get_stats,
274 .ndo_set_rx_mode = set_multicast_list,
275 .ndo_change_mtu = eth_change_mtu,
276 .ndo_set_mac_address = eth_mac_addr,
277 .ndo_validate_addr = eth_validate_addr,
280 static int ray_probe(struct pcmcia_device *p_dev)
283 struct net_device *dev;
285 dev_dbg(&p_dev->dev, "ray_attach()\n");
287 /* Allocate space for private device-specific data */
288 dev = alloc_etherdev(sizeof(ray_dev_t));
292 local = netdev_priv(dev);
293 local->finder = p_dev;
295 /* The io structure describes IO port mapping. None used here */
296 p_dev->resource[0]->end = 0;
297 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
299 /* General socket configuration */
300 p_dev->config_flags |= CONF_ENABLE_IRQ;
301 p_dev->config_index = 1;
305 local->finder = p_dev;
306 local->card_status = CARD_INSERTED;
307 local->authentication_state = UNAUTHENTICATED;
308 local->num_multi = 0;
309 dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
310 p_dev, dev, local, &ray_interrupt);
312 /* Raylink entries in the device structure */
313 dev->netdev_ops = &ray_netdev_ops;
314 dev->wireless_handlers = &ray_handler_def;
316 local->wireless_data.spy_data = &local->spy_data;
317 dev->wireless_data = &local->wireless_data;
318 #endif /* WIRELESS_SPY */
321 dev_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n");
322 netif_stop_queue(dev);
324 init_timer(&local->timer);
327 return ray_config(p_dev);
333 static void ray_detach(struct pcmcia_device *link)
335 struct net_device *dev;
338 dev_dbg(&link->dev, "ray_detach\n");
345 local = netdev_priv(dev);
346 del_timer(&local->timer);
349 unregister_netdev(dev);
352 dev_dbg(&link->dev, "ray_cs ray_detach ending\n");
355 #define MAX_TUPLE_SIZE 128
356 static int ray_config(struct pcmcia_device *link)
360 struct net_device *dev = (struct net_device *)link->priv;
361 ray_dev_t *local = netdev_priv(dev);
363 dev_dbg(&link->dev, "ray_config\n");
365 /* Determine card type and firmware version */
366 printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n",
367 link->prod_id[0] ? link->prod_id[0] : " ",
368 link->prod_id[1] ? link->prod_id[1] : " ",
369 link->prod_id[2] ? link->prod_id[2] : " ",
370 link->prod_id[3] ? link->prod_id[3] : " ");
372 /* Now allocate an interrupt line. Note that this does not
373 actually assign a handler to the interrupt.
375 ret = pcmcia_request_irq(link, ray_interrupt);
378 dev->irq = link->irq;
380 ret = pcmcia_enable_device(link);
384 /*** Set up 32k window for shared memory (transmit and control) ************/
385 link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
386 link->resource[2]->start = 0;
387 link->resource[2]->end = 0x8000;
388 ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed);
391 ret = pcmcia_map_mem_page(link, link->resource[2], 0);
394 local->sram = ioremap(link->resource[2]->start,
395 resource_size(link->resource[2]));
397 /*** Set up 16k window for shared memory (receive buffer) ***************/
398 link->resource[3]->flags |=
399 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
400 link->resource[3]->start = 0;
401 link->resource[3]->end = 0x4000;
402 ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed);
405 ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000);
408 local->rmem = ioremap(link->resource[3]->start,
409 resource_size(link->resource[3]));
411 /*** Set up window for attribute memory ***********************************/
412 link->resource[4]->flags |=
413 WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
414 link->resource[4]->start = 0;
415 link->resource[4]->end = 0x1000;
416 ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed);
419 ret = pcmcia_map_mem_page(link, link->resource[4], 0);
422 local->amem = ioremap(link->resource[4]->start,
423 resource_size(link->resource[4]));
425 dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram);
426 dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem);
427 dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem);
428 if (ray_init(dev) < 0) {
433 SET_NETDEV_DEV(dev, &link->dev);
434 i = register_netdev(dev);
436 printk("ray_config register_netdev() failed\n");
441 printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n",
442 dev->name, dev->irq, dev->dev_addr);
451 static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
453 return dev->sram + CCS_BASE;
456 static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
459 * This looks nonsensical, since there is a separate
460 * RCS_BASE. But the difference between a "struct rcs"
461 * and a "struct ccs" ends up being in the _index_ off
462 * the base, so the base pointer is the same for both
465 return dev->sram + CCS_BASE;
468 /*===========================================================================*/
469 static int ray_init(struct net_device *dev)
473 struct ccs __iomem *pccs;
474 ray_dev_t *local = netdev_priv(dev);
475 struct pcmcia_device *link = local->finder;
476 dev_dbg(&link->dev, "ray_init(0x%p)\n", dev);
477 if (!(pcmcia_dev_present(link))) {
478 dev_dbg(&link->dev, "ray_init - device not present\n");
482 local->net_type = net_type;
483 local->sta_type = TYPE_STA;
485 /* Copy the startup results to local memory */
486 memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,
487 sizeof(struct startup_res_6));
489 /* Check Power up test status and get mac address from card */
490 if (local->startup_res.startup_word != 0x80) {
491 printk(KERN_INFO "ray_init ERROR card status = %2x\n",
492 local->startup_res.startup_word);
493 local->card_status = CARD_INIT_ERROR;
497 local->fw_ver = local->startup_res.firmware_version[0];
498 local->fw_bld = local->startup_res.firmware_version[1];
499 local->fw_var = local->startup_res.firmware_version[2];
500 dev_dbg(&link->dev, "ray_init firmware version %d.%d\n", local->fw_ver,
503 local->tib_length = 0x20;
504 if ((local->fw_ver == 5) && (local->fw_bld >= 30))
505 local->tib_length = local->startup_res.tib_length;
506 dev_dbg(&link->dev, "ray_init tib_length = 0x%02x\n", local->tib_length);
507 /* Initialize CCS's to buffer free state */
508 pccs = ccs_base(local);
509 for (i = 0; i < NUMBER_OF_CCS; i++) {
510 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
512 init_startup_params(local);
514 /* copy mac address to startup parameters */
515 if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr)) {
516 p = local->sparm.b4.a_mac_addr;
518 memcpy(&local->sparm.b4.a_mac_addr,
519 &local->startup_res.station_addr, ADDRLEN);
520 p = local->sparm.b4.a_mac_addr;
523 clear_interrupt(local); /* Clear any interrupt from the card */
524 local->card_status = CARD_AWAITING_PARAM;
525 dev_dbg(&link->dev, "ray_init ending\n");
529 /*===========================================================================*/
530 /* Download startup parameters to the card and command it to read them */
531 static int dl_startup_params(struct net_device *dev)
534 ray_dev_t *local = netdev_priv(dev);
535 struct ccs __iomem *pccs;
536 struct pcmcia_device *link = local->finder;
538 dev_dbg(&link->dev, "dl_startup_params entered\n");
539 if (!(pcmcia_dev_present(link))) {
540 dev_dbg(&link->dev, "ray_cs dl_startup_params - device not present\n");
544 /* Copy parameters to host to ECF area */
545 if (local->fw_ver == 0x55)
546 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
547 sizeof(struct b4_startup_params));
549 memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
550 sizeof(struct b5_startup_params));
552 /* Fill in the CCS fields for the ECF */
553 if ((ccsindex = get_free_ccs(local)) < 0)
555 local->dl_param_ccs = ccsindex;
556 pccs = ccs_base(local) + ccsindex;
557 writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
558 dev_dbg(&link->dev, "dl_startup_params start ccsindex = %d\n",
559 local->dl_param_ccs);
560 /* Interrupt the firmware to process the command */
561 if (interrupt_ecf(local, ccsindex)) {
562 printk(KERN_INFO "ray dl_startup_params failed - "
563 "ECF not ready for intr\n");
564 local->card_status = CARD_DL_PARAM_ERROR;
565 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
568 local->card_status = CARD_DL_PARAM;
569 /* Start kernel timer to wait for dl startup to complete. */
570 local->timer.expires = jiffies + HZ / 2;
571 local->timer.data = (long)local;
572 local->timer.function = verify_dl_startup;
573 add_timer(&local->timer);
575 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
577 } /* dl_startup_params */
579 /*===========================================================================*/
580 static void init_startup_params(ray_dev_t *local)
584 if (country > JAPAN_TEST)
586 else if (country < USA)
588 /* structure for hop time and beacon period is defined here using
589 * New 802.11D6.1 format. Card firmware is still using old format
592 * a_hop_time ms byte a_hop_time ms byte
593 * a_hop_time 2s byte a_hop_time ls byte
594 * a_hop_time ls byte a_beacon_period ms byte
595 * a_beacon_period a_beacon_period ls byte
597 * a_hop_time = uS a_hop_time = KuS
598 * a_beacon_period = hops a_beacon_period = KuS
599 *//* 64ms = 010000 */
600 if (local->fw_ver == 0x55) {
601 memcpy((UCHAR *) &local->sparm.b4, b4_default_startup_parms,
602 sizeof(struct b4_startup_params));
603 /* Translate sane kus input values to old build 4/5 format */
604 /* i = hop time in uS truncated to 3 bytes */
605 i = (hop_dwell * 1024) & 0xffffff;
606 local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
607 local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
608 local->sparm.b4.a_beacon_period[0] = 0;
609 local->sparm.b4.a_beacon_period[1] =
610 ((beacon_period / hop_dwell) - 1) & 0xff;
611 local->sparm.b4.a_curr_country_code = country;
612 local->sparm.b4.a_hop_pattern_length =
613 hop_pattern_length[(int)country] - 1;
615 local->sparm.b4.a_ack_timeout = 0x50;
616 local->sparm.b4.a_sifs = 0x3f;
618 } else { /* Version 5 uses real kus values */
619 memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms,
620 sizeof(struct b5_startup_params));
622 local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
623 local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
624 local->sparm.b5.a_beacon_period[0] =
625 (beacon_period >> 8) & 0xff;
626 local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
628 local->sparm.b5.a_power_mgt_state = 1;
629 local->sparm.b5.a_curr_country_code = country;
630 local->sparm.b5.a_hop_pattern_length =
631 hop_pattern_length[(int)country];
634 local->sparm.b4.a_network_type = net_type & 0x01;
635 local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
638 strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
639 } /* init_startup_params */
641 /*===========================================================================*/
642 static void verify_dl_startup(u_long data)
644 ray_dev_t *local = (ray_dev_t *) data;
645 struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
647 struct pcmcia_device *link = local->finder;
649 if (!(pcmcia_dev_present(link))) {
650 dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n");
657 "verify_dl_startup parameters sent via ccs %d:\n",
658 local->dl_param_ccs);
659 for (i = 0; i < sizeof(struct b5_startup_params); i++) {
661 (unsigned int)readb(local->sram +
662 HOST_TO_ECF_BASE + i));
668 status = readb(&pccs->buffer_status);
669 if (status != CCS_BUFFER_FREE) {
671 "Download startup params failed. Status = %d\n",
673 local->card_status = CARD_DL_PARAM_ERROR;
676 if (local->sparm.b4.a_network_type == ADHOC)
677 start_net((u_long) local);
679 join_net((u_long) local);
680 } /* end verify_dl_startup */
682 /*===========================================================================*/
683 /* Command card to start a network */
684 static void start_net(u_long data)
686 ray_dev_t *local = (ray_dev_t *) data;
687 struct ccs __iomem *pccs;
689 struct pcmcia_device *link = local->finder;
690 if (!(pcmcia_dev_present(link))) {
691 dev_dbg(&link->dev, "ray_cs start_net - device not present\n");
694 /* Fill in the CCS fields for the ECF */
695 if ((ccsindex = get_free_ccs(local)) < 0)
697 pccs = ccs_base(local) + ccsindex;
698 writeb(CCS_START_NETWORK, &pccs->cmd);
699 writeb(0, &pccs->var.start_network.update_param);
700 /* Interrupt the firmware to process the command */
701 if (interrupt_ecf(local, ccsindex)) {
702 dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n");
703 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
706 local->card_status = CARD_DOING_ACQ;
707 } /* end start_net */
709 /*===========================================================================*/
710 /* Command card to join a network */
711 static void join_net(u_long data)
713 ray_dev_t *local = (ray_dev_t *) data;
715 struct ccs __iomem *pccs;
717 struct pcmcia_device *link = local->finder;
719 if (!(pcmcia_dev_present(link))) {
720 dev_dbg(&link->dev, "ray_cs join_net - device not present\n");
723 /* Fill in the CCS fields for the ECF */
724 if ((ccsindex = get_free_ccs(local)) < 0)
726 pccs = ccs_base(local) + ccsindex;
727 writeb(CCS_JOIN_NETWORK, &pccs->cmd);
728 writeb(0, &pccs->var.join_network.update_param);
729 writeb(0, &pccs->var.join_network.net_initiated);
730 /* Interrupt the firmware to process the command */
731 if (interrupt_ecf(local, ccsindex)) {
732 dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n");
733 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
736 local->card_status = CARD_DOING_ACQ;
740 static void ray_release(struct pcmcia_device *link)
742 struct net_device *dev = link->priv;
743 ray_dev_t *local = netdev_priv(dev);
745 dev_dbg(&link->dev, "ray_release\n");
747 del_timer(&local->timer);
749 iounmap(local->sram);
750 iounmap(local->rmem);
751 iounmap(local->amem);
752 pcmcia_disable_device(link);
754 dev_dbg(&link->dev, "ray_release ending\n");
757 static int ray_suspend(struct pcmcia_device *link)
759 struct net_device *dev = link->priv;
762 netif_device_detach(dev);
767 static int ray_resume(struct pcmcia_device *link)
769 struct net_device *dev = link->priv;
773 netif_device_attach(dev);
779 /*===========================================================================*/
780 static int ray_dev_init(struct net_device *dev)
782 #ifdef RAY_IMMEDIATE_INIT
784 #endif /* RAY_IMMEDIATE_INIT */
785 ray_dev_t *local = netdev_priv(dev);
786 struct pcmcia_device *link = local->finder;
788 dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev);
789 if (!(pcmcia_dev_present(link))) {
790 dev_dbg(&link->dev, "ray_dev_init - device not present\n");
793 #ifdef RAY_IMMEDIATE_INIT
794 /* Download startup parameters */
795 if ((i = dl_startup_params(dev)) < 0) {
796 printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
797 "returns 0x%x\n", i);
800 #else /* RAY_IMMEDIATE_INIT */
801 /* Postpone the card init so that we can still configure the card,
802 * for example using the Wireless Extensions. The init will happen
803 * in ray_open() - Jean II */
805 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
807 #endif /* RAY_IMMEDIATE_INIT */
809 /* copy mac and broadcast addresses to linux device */
810 memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
811 memset(dev->broadcast, 0xff, ETH_ALEN);
813 dev_dbg(&link->dev, "ray_dev_init ending\n");
817 /*===========================================================================*/
818 static int ray_dev_config(struct net_device *dev, struct ifmap *map)
820 ray_dev_t *local = netdev_priv(dev);
821 struct pcmcia_device *link = local->finder;
822 /* Dummy routine to satisfy device structure */
823 dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map);
824 if (!(pcmcia_dev_present(link))) {
825 dev_dbg(&link->dev, "ray_dev_config - device not present\n");
832 /*===========================================================================*/
833 static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
834 struct net_device *dev)
836 ray_dev_t *local = netdev_priv(dev);
837 struct pcmcia_device *link = local->finder;
838 short length = skb->len;
840 if (!pcmcia_dev_present(link)) {
841 dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n");
846 dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev);
847 if (local->authentication_state == NEED_TO_AUTH) {
848 dev_dbg(&link->dev, "ray_cs Sending authentication request.\n");
849 if (!build_auth_frame(local, local->auth_id, OPEN_AUTH_REQUEST)) {
850 local->authentication_state = AUTHENTICATED;
851 netif_stop_queue(dev);
852 return NETDEV_TX_BUSY;
856 if (length < ETH_ZLEN) {
857 if (skb_padto(skb, ETH_ZLEN))
861 switch (ray_hw_xmit(skb->data, length, dev, DATA_TYPE)) {
864 netif_stop_queue(dev);
865 return NETDEV_TX_BUSY;
874 } /* ray_dev_start_xmit */
876 /*===========================================================================*/
877 static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev,
880 ray_dev_t *local = netdev_priv(dev);
881 struct ccs __iomem *pccs;
884 struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
885 short int addr; /* Address of xmit buffer in card space */
887 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data, len, dev);
888 if (len + TX_HEADER_LENGTH > TX_BUF_SIZE) {
889 printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",
893 switch (ccsindex = get_free_tx_ccs(local)) {
895 pr_debug("ray_hw_xmit tx_ccs table busy\n");
897 pr_debug("ray_hw_xmit No free tx ccs\n");
899 netif_stop_queue(dev);
904 addr = TX_BUF_BASE + (ccsindex << 11);
906 if (msg_type == DATA_TYPE) {
907 local->stats.tx_bytes += len;
908 local->stats.tx_packets++;
911 ptx = local->sram + addr;
913 ray_build_header(local, ptx, msg_type, data);
915 offset = translate_frame(local, ptx, data, len);
916 } else { /* Encapsulate frame */
917 /* TBD TIB length will move address of ptx->var */
918 memcpy_toio(&ptx->var, data, len);
922 /* fill in the CCS */
923 pccs = ccs_base(local) + ccsindex;
924 len += TX_HEADER_LENGTH + offset;
925 writeb(CCS_TX_REQUEST, &pccs->cmd);
926 writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
927 writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
928 writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
929 writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
930 /* TBD still need psm_cam? */
931 writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
932 writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
933 writeb(0, &pccs->var.tx_request.antenna);
934 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
935 local->net_default_tx_rate);
937 /* Interrupt the firmware to process the command */
938 if (interrupt_ecf(local, ccsindex)) {
939 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
940 /* TBD very inefficient to copy packet to buffer, and then not
941 send it, but the alternative is to queue the messages and that
942 won't be done for a while. Maybe set tbusy until a CCS is free?
944 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
948 } /* end ray_hw_xmit */
950 /*===========================================================================*/
951 static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
952 unsigned char *data, int len)
954 __be16 proto = ((struct ethhdr *)data)->h_proto;
955 if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */
956 pr_debug("ray_cs translate_frame DIX II\n");
957 /* Copy LLC header to card buffer */
958 memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
959 memcpy_toio(((void __iomem *)&ptx->var) + sizeof(eth2_llc),
960 (UCHAR *) &proto, 2);
961 if (proto == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) {
962 /* This is the selective translation table, only 2 entries */
964 &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
966 /* Copy body of ethernet packet without ethernet header */
967 memcpy_toio((void __iomem *)&ptx->var +
968 sizeof(struct snaphdr_t), data + ETH_HLEN,
970 return (int)sizeof(struct snaphdr_t) - ETH_HLEN;
971 } else { /* already 802 type, and proto is length */
972 pr_debug("ray_cs translate_frame 802\n");
973 if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
974 pr_debug("ray_cs translate_frame evil IPX\n");
975 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
978 memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
981 /* TBD do other frame types */
982 } /* end translate_frame */
984 /*===========================================================================*/
985 static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx,
986 UCHAR msg_type, unsigned char *data)
988 writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
989 /*** IEEE 802.11 Address field assignments *************
990 TODS FROMDS addr_1 addr_2 addr_3 addr_4
991 Adhoc 0 0 dest src (terminal) BSSID N/A
992 AP to Terminal 0 1 dest AP(BSSID) source N/A
993 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
994 AP to AP 1 1 dest AP src AP dest source
995 *******************************************************/
996 if (local->net_type == ADHOC) {
997 writeb(0, &ptx->mac.frame_ctl_2);
998 memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest,
1000 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
1001 } else { /* infrastructure */
1003 if (local->sparm.b4.a_acting_as_ap_status) {
1004 writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
1005 memcpy_toio(ptx->mac.addr_1,
1006 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1007 memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
1008 memcpy_toio(ptx->mac.addr_3,
1009 ((struct ethhdr *)data)->h_source, ADDRLEN);
1010 } else { /* Terminal */
1012 writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
1013 memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
1014 memcpy_toio(ptx->mac.addr_2,
1015 ((struct ethhdr *)data)->h_source, ADDRLEN);
1016 memcpy_toio(ptx->mac.addr_3,
1017 ((struct ethhdr *)data)->h_dest, ADDRLEN);
1020 } /* end encapsulate_frame */
1022 /*====================================================================*/
1024 /*------------------------------------------------------------------*/
1026 * Wireless Handler : get protocol name
1028 static int ray_get_name(struct net_device *dev, struct iw_request_info *info,
1029 union iwreq_data *wrqu, char *extra)
1031 strcpy(wrqu->name, "IEEE 802.11-FH");
1035 /*------------------------------------------------------------------*/
1037 * Wireless Handler : set frequency
1039 static int ray_set_freq(struct net_device *dev, struct iw_request_info *info,
1040 union iwreq_data *wrqu, char *extra)
1042 ray_dev_t *local = netdev_priv(dev);
1043 int err = -EINPROGRESS; /* Call commit handler */
1045 /* Reject if card is already initialised */
1046 if (local->card_status != CARD_AWAITING_PARAM)
1049 /* Setting by channel number */
1050 if ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0))
1053 local->sparm.b5.a_hop_pattern = wrqu->freq.m;
1058 /*------------------------------------------------------------------*/
1060 * Wireless Handler : get frequency
1062 static int ray_get_freq(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 wrqu->freq.m = local->sparm.b5.a_hop_pattern;
1072 /*------------------------------------------------------------------*/
1074 * Wireless Handler : set ESSID
1076 static int ray_set_essid(struct net_device *dev, struct iw_request_info *info,
1077 union iwreq_data *wrqu, char *extra)
1079 ray_dev_t *local = netdev_priv(dev);
1081 /* Reject if card is already initialised */
1082 if (local->card_status != CARD_AWAITING_PARAM)
1085 /* Check if we asked for `any' */
1086 if (wrqu->essid.flags == 0)
1087 /* Corey : can you do that ? */
1090 /* Check the size of the string */
1091 if (wrqu->essid.length > IW_ESSID_MAX_SIZE)
1094 /* Set the ESSID in the card */
1095 memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
1096 memcpy(local->sparm.b5.a_current_ess_id, extra, wrqu->essid.length);
1098 return -EINPROGRESS; /* Call commit handler */
1101 /*------------------------------------------------------------------*/
1103 * Wireless Handler : get ESSID
1105 static int ray_get_essid(struct net_device *dev, struct iw_request_info *info,
1106 union iwreq_data *wrqu, char *extra)
1108 ray_dev_t *local = netdev_priv(dev);
1109 UCHAR tmp[IW_ESSID_MAX_SIZE + 1];
1111 /* Get the essid that was set */
1112 memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1113 memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
1114 tmp[IW_ESSID_MAX_SIZE] = '\0';
1117 wrqu->essid.length = strlen(tmp);
1118 wrqu->essid.flags = 1; /* active */
1123 /*------------------------------------------------------------------*/
1125 * Wireless Handler : get AP address
1127 static int ray_get_wap(struct net_device *dev, struct iw_request_info *info,
1128 union iwreq_data *wrqu, char *extra)
1130 ray_dev_t *local = netdev_priv(dev);
1132 memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN);
1133 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
1138 /*------------------------------------------------------------------*/
1140 * Wireless Handler : set Bit-Rate
1142 static int ray_set_rate(struct net_device *dev, struct iw_request_info *info,
1143 union iwreq_data *wrqu, char *extra)
1145 ray_dev_t *local = netdev_priv(dev);
1147 /* Reject if card is already initialised */
1148 if (local->card_status != CARD_AWAITING_PARAM)
1151 /* Check if rate is in range */
1152 if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000))
1155 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1156 if ((local->fw_ver == 0x55) && /* Please check */
1157 (wrqu->bitrate.value == 2000000))
1158 local->net_default_tx_rate = 3;
1160 local->net_default_tx_rate = wrqu->bitrate.value / 500000;
1165 /*------------------------------------------------------------------*/
1167 * Wireless Handler : get Bit-Rate
1169 static int ray_get_rate(struct net_device *dev, struct iw_request_info *info,
1170 union iwreq_data *wrqu, char *extra)
1172 ray_dev_t *local = netdev_priv(dev);
1174 if (local->net_default_tx_rate == 3)
1175 wrqu->bitrate.value = 2000000; /* Hum... */
1177 wrqu->bitrate.value = local->net_default_tx_rate * 500000;
1178 wrqu->bitrate.fixed = 0; /* We are in auto mode */
1183 /*------------------------------------------------------------------*/
1185 * Wireless Handler : set RTS threshold
1187 static int ray_set_rts(struct net_device *dev, struct iw_request_info *info,
1188 union iwreq_data *wrqu, char *extra)
1190 ray_dev_t *local = netdev_priv(dev);
1191 int rthr = wrqu->rts.value;
1193 /* Reject if card is already initialised */
1194 if (local->card_status != CARD_AWAITING_PARAM)
1197 /* if(wrq->u.rts.fixed == 0) we should complain */
1198 if (wrqu->rts.disabled)
1201 if ((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
1204 local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
1205 local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
1207 return -EINPROGRESS; /* Call commit handler */
1210 /*------------------------------------------------------------------*/
1212 * Wireless Handler : get RTS threshold
1214 static int ray_get_rts(struct net_device *dev, struct iw_request_info *info,
1215 union iwreq_data *wrqu, char *extra)
1217 ray_dev_t *local = netdev_priv(dev);
1219 wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8)
1220 + local->sparm.b5.a_rts_threshold[1];
1221 wrqu->rts.disabled = (wrqu->rts.value == 32767);
1222 wrqu->rts.fixed = 1;
1227 /*------------------------------------------------------------------*/
1229 * Wireless Handler : set Fragmentation threshold
1231 static int ray_set_frag(struct net_device *dev, struct iw_request_info *info,
1232 union iwreq_data *wrqu, char *extra)
1234 ray_dev_t *local = netdev_priv(dev);
1235 int fthr = wrqu->frag.value;
1237 /* Reject if card is already initialised */
1238 if (local->card_status != CARD_AWAITING_PARAM)
1241 /* if(wrq->u.frag.fixed == 0) should complain */
1242 if (wrqu->frag.disabled)
1245 if ((fthr < 256) || (fthr > 2347)) /* To check out ! */
1248 local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
1249 local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
1251 return -EINPROGRESS; /* Call commit handler */
1254 /*------------------------------------------------------------------*/
1256 * Wireless Handler : get Fragmentation threshold
1258 static int ray_get_frag(struct net_device *dev, struct iw_request_info *info,
1259 union iwreq_data *wrqu, char *extra)
1261 ray_dev_t *local = netdev_priv(dev);
1263 wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8)
1264 + local->sparm.b5.a_frag_threshold[1];
1265 wrqu->frag.disabled = (wrqu->frag.value == 32767);
1266 wrqu->frag.fixed = 1;
1271 /*------------------------------------------------------------------*/
1273 * Wireless Handler : set Mode of Operation
1275 static int ray_set_mode(struct net_device *dev, struct iw_request_info *info,
1276 union iwreq_data *wrqu, char *extra)
1278 ray_dev_t *local = netdev_priv(dev);
1279 int err = -EINPROGRESS; /* Call commit handler */
1282 /* Reject if card is already initialised */
1283 if (local->card_status != CARD_AWAITING_PARAM)
1286 switch (wrqu->mode) {
1291 local->sparm.b5.a_network_type = card_mode;
1300 /*------------------------------------------------------------------*/
1302 * Wireless Handler : get Mode of Operation
1304 static int ray_get_mode(struct net_device *dev, struct iw_request_info *info,
1305 union iwreq_data *wrqu, char *extra)
1307 ray_dev_t *local = netdev_priv(dev);
1309 if (local->sparm.b5.a_network_type)
1310 wrqu->mode = IW_MODE_INFRA;
1312 wrqu->mode = IW_MODE_ADHOC;
1317 /*------------------------------------------------------------------*/
1319 * Wireless Handler : get range info
1321 static int ray_get_range(struct net_device *dev, struct iw_request_info *info,
1322 union iwreq_data *wrqu, char *extra)
1324 struct iw_range *range = (struct iw_range *)extra;
1326 memset(range, 0, sizeof(struct iw_range));
1328 /* Set the length (very important for backward compatibility) */
1329 wrqu->data.length = sizeof(struct iw_range);
1331 /* Set the Wireless Extension versions */
1332 range->we_version_compiled = WIRELESS_EXT;
1333 range->we_version_source = 9;
1335 /* Set information in the range struct */
1336 range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
1337 range->num_channels = hop_pattern_length[(int)country];
1338 range->num_frequency = 0;
1339 range->max_qual.qual = 0;
1340 range->max_qual.level = 255; /* What's the correct value ? */
1341 range->max_qual.noise = 255; /* Idem */
1342 range->num_bitrates = 2;
1343 range->bitrate[0] = 1000000; /* 1 Mb/s */
1344 range->bitrate[1] = 2000000; /* 2 Mb/s */
1348 /*------------------------------------------------------------------*/
1350 * Wireless Private Handler : set framing mode
1352 static int ray_set_framing(struct net_device *dev, struct iw_request_info *info,
1353 union iwreq_data *wrqu, char *extra)
1355 translate = !!*(extra); /* Set framing mode */
1360 /*------------------------------------------------------------------*/
1362 * Wireless Private Handler : get framing mode
1364 static int ray_get_framing(struct net_device *dev, struct iw_request_info *info,
1365 union iwreq_data *wrqu, char *extra)
1367 *(extra) = translate;
1372 /*------------------------------------------------------------------*/
1374 * Wireless Private Handler : get country
1376 static int ray_get_country(struct net_device *dev, struct iw_request_info *info,
1377 union iwreq_data *wrqu, char *extra)
1384 /*------------------------------------------------------------------*/
1386 * Commit handler : called after a bunch of SET operations
1388 static int ray_commit(struct net_device *dev, struct iw_request_info *info,
1389 union iwreq_data *wrqu, char *extra)
1394 /*------------------------------------------------------------------*/
1396 * Stats handler : return Wireless Stats
1398 static iw_stats *ray_get_wireless_stats(struct net_device *dev)
1400 ray_dev_t *local = netdev_priv(dev);
1401 struct pcmcia_device *link = local->finder;
1402 struct status __iomem *p = local->sram + STATUS_BASE;
1404 local->wstats.status = local->card_status;
1406 if ((local->spy_data.spy_number > 0)
1407 && (local->sparm.b5.a_network_type == 0)) {
1408 /* Get it from the first node in spy list */
1409 local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
1410 local->wstats.qual.level = local->spy_data.spy_stat[0].level;
1411 local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
1412 local->wstats.qual.updated =
1413 local->spy_data.spy_stat[0].updated;
1415 #endif /* WIRELESS_SPY */
1417 if (pcmcia_dev_present(link)) {
1418 local->wstats.qual.noise = readb(&p->rxnoise);
1419 local->wstats.qual.updated |= 4;
1422 return &local->wstats;
1423 } /* end ray_get_wireless_stats */
1425 /*------------------------------------------------------------------*/
1427 * Structures to export the Wireless Handlers
1430 static const iw_handler ray_handler[] = {
1431 IW_HANDLER(SIOCSIWCOMMIT, ray_commit),
1432 IW_HANDLER(SIOCGIWNAME, ray_get_name),
1433 IW_HANDLER(SIOCSIWFREQ, ray_set_freq),
1434 IW_HANDLER(SIOCGIWFREQ, ray_get_freq),
1435 IW_HANDLER(SIOCSIWMODE, ray_set_mode),
1436 IW_HANDLER(SIOCGIWMODE, ray_get_mode),
1437 IW_HANDLER(SIOCGIWRANGE, ray_get_range),
1439 IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy),
1440 IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy),
1441 IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy),
1442 IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy),
1443 #endif /* WIRELESS_SPY */
1444 IW_HANDLER(SIOCGIWAP, ray_get_wap),
1445 IW_HANDLER(SIOCSIWESSID, ray_set_essid),
1446 IW_HANDLER(SIOCGIWESSID, ray_get_essid),
1447 IW_HANDLER(SIOCSIWRATE, ray_set_rate),
1448 IW_HANDLER(SIOCGIWRATE, ray_get_rate),
1449 IW_HANDLER(SIOCSIWRTS, ray_set_rts),
1450 IW_HANDLER(SIOCGIWRTS, ray_get_rts),
1451 IW_HANDLER(SIOCSIWFRAG, ray_set_frag),
1452 IW_HANDLER(SIOCGIWFRAG, ray_get_frag),
1455 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1456 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1457 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1459 static const iw_handler ray_private_handler[] = {
1460 [0] = ray_set_framing,
1461 [1] = ray_get_framing,
1462 [3] = ray_get_country,
1465 static const struct iw_priv_args ray_private_args[] = {
1466 /* cmd, set_args, get_args, name */
1467 {SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0,
1469 {SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1471 {SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
1475 static const struct iw_handler_def ray_handler_def = {
1476 .num_standard = ARRAY_SIZE(ray_handler),
1477 .num_private = ARRAY_SIZE(ray_private_handler),
1478 .num_private_args = ARRAY_SIZE(ray_private_args),
1479 .standard = ray_handler,
1480 .private = ray_private_handler,
1481 .private_args = ray_private_args,
1482 .get_wireless_stats = ray_get_wireless_stats,
1485 /*===========================================================================*/
1486 static int ray_open(struct net_device *dev)
1488 ray_dev_t *local = netdev_priv(dev);
1489 struct pcmcia_device *link;
1490 link = local->finder;
1492 dev_dbg(&link->dev, "ray_open('%s')\n", dev->name);
1494 if (link->open == 0)
1495 local->num_multi = 0;
1498 /* If the card is not started, time to start it ! - Jean II */
1499 if (local->card_status == CARD_AWAITING_PARAM) {
1502 dev_dbg(&link->dev, "ray_open: doing init now !\n");
1504 /* Download startup parameters */
1505 if ((i = dl_startup_params(dev)) < 0) {
1507 "ray_dev_init dl_startup_params failed - "
1508 "returns 0x%x\n", i);
1514 netif_stop_queue(dev);
1516 netif_start_queue(dev);
1518 dev_dbg(&link->dev, "ray_open ending\n");
1520 } /* end ray_open */
1522 /*===========================================================================*/
1523 static int ray_dev_close(struct net_device *dev)
1525 ray_dev_t *local = netdev_priv(dev);
1526 struct pcmcia_device *link;
1527 link = local->finder;
1529 dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name);
1532 netif_stop_queue(dev);
1534 /* In here, we should stop the hardware (stop card from beeing active)
1535 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1536 * card is closed we can chage its configuration.
1537 * Probably also need a COR reset to get sane state - Jean II */
1540 } /* end ray_dev_close */
1542 /*===========================================================================*/
1543 static void ray_reset(struct net_device *dev)
1545 pr_debug("ray_reset entered\n");
1548 /*===========================================================================*/
1549 /* Cause a firmware interrupt if it is ready for one */
1550 /* Return nonzero if not ready */
1551 static int interrupt_ecf(ray_dev_t *local, int ccs)
1554 struct pcmcia_device *link = local->finder;
1556 if (!(pcmcia_dev_present(link))) {
1557 dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n");
1560 dev_dbg(&link->dev, "interrupt_ecf(local=%p, ccs = 0x%x\n", local, ccs);
1563 (readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) &
1567 dev_dbg(&link->dev, "ray_cs interrupt_ecf card not ready for interrupt\n");
1570 /* Fill the mailbox, then kick the card */
1571 writeb(ccs, local->sram + SCB_BASE);
1572 writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
1574 } /* interrupt_ecf */
1576 /*===========================================================================*/
1577 /* Get next free transmit CCS */
1578 /* Return - index of current tx ccs */
1579 static int get_free_tx_ccs(ray_dev_t *local)
1582 struct ccs __iomem *pccs = ccs_base(local);
1583 struct pcmcia_device *link = local->finder;
1585 if (!(pcmcia_dev_present(link))) {
1586 dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n");
1590 if (test_and_set_bit(0, &local->tx_ccs_lock)) {
1591 dev_dbg(&link->dev, "ray_cs tx_ccs_lock busy\n");
1595 for (i = 0; i < NUMBER_OF_TX_CCS; i++) {
1596 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1597 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1598 writeb(CCS_END_LIST, &(pccs + i)->link);
1599 local->tx_ccs_lock = 0;
1603 local->tx_ccs_lock = 0;
1604 dev_dbg(&link->dev, "ray_cs ERROR no free tx CCS for raylink card\n");
1606 } /* get_free_tx_ccs */
1608 /*===========================================================================*/
1609 /* Get next free CCS */
1610 /* Return - index of current ccs */
1611 static int get_free_ccs(ray_dev_t *local)
1614 struct ccs __iomem *pccs = ccs_base(local);
1615 struct pcmcia_device *link = local->finder;
1617 if (!(pcmcia_dev_present(link))) {
1618 dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n");
1621 if (test_and_set_bit(0, &local->ccs_lock)) {
1622 dev_dbg(&link->dev, "ray_cs ccs_lock busy\n");
1626 for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
1627 if (readb(&(pccs + i)->buffer_status) == CCS_BUFFER_FREE) {
1628 writeb(CCS_BUFFER_BUSY, &(pccs + i)->buffer_status);
1629 writeb(CCS_END_LIST, &(pccs + i)->link);
1630 local->ccs_lock = 0;
1634 local->ccs_lock = 0;
1635 dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n");
1637 } /* get_free_ccs */
1639 /*===========================================================================*/
1640 static void authenticate_timeout(u_long data)
1642 ray_dev_t *local = (ray_dev_t *) data;
1643 del_timer(&local->timer);
1644 printk(KERN_INFO "ray_cs Authentication with access point failed"
1646 join_net((u_long) local);
1649 /*===========================================================================*/
1650 static int parse_addr(char *in_str, UCHAR *out)
1658 if ((len = strlen(in_str)) < 2)
1660 memset(out, 0, ADDRLEN);
1669 if ((k = hex_to_bin(in_str[j--])) != -1)
1676 if ((k = hex_to_bin(in_str[j--])) != -1)
1686 /*===========================================================================*/
1687 static struct net_device_stats *ray_get_stats(struct net_device *dev)
1689 ray_dev_t *local = netdev_priv(dev);
1690 struct pcmcia_device *link = local->finder;
1691 struct status __iomem *p = local->sram + STATUS_BASE;
1692 if (!(pcmcia_dev_present(link))) {
1693 dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n");
1694 return &local->stats;
1696 if (readb(&p->mrx_overflow_for_host)) {
1697 local->stats.rx_over_errors += swab16(readw(&p->mrx_overflow));
1698 writeb(0, &p->mrx_overflow);
1699 writeb(0, &p->mrx_overflow_for_host);
1701 if (readb(&p->mrx_checksum_error_for_host)) {
1702 local->stats.rx_crc_errors +=
1703 swab16(readw(&p->mrx_checksum_error));
1704 writeb(0, &p->mrx_checksum_error);
1705 writeb(0, &p->mrx_checksum_error_for_host);
1707 if (readb(&p->rx_hec_error_for_host)) {
1708 local->stats.rx_frame_errors += swab16(readw(&p->rx_hec_error));
1709 writeb(0, &p->rx_hec_error);
1710 writeb(0, &p->rx_hec_error_for_host);
1712 return &local->stats;
1715 /*===========================================================================*/
1716 static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value,
1719 ray_dev_t *local = netdev_priv(dev);
1720 struct pcmcia_device *link = local->finder;
1723 struct ccs __iomem *pccs;
1725 if (!(pcmcia_dev_present(link))) {
1726 dev_dbg(&link->dev, "ray_update_parm - device not present\n");
1730 if ((ccsindex = get_free_ccs(local)) < 0) {
1731 dev_dbg(&link->dev, "ray_update_parm - No free ccs\n");
1734 pccs = ccs_base(local) + ccsindex;
1735 writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
1736 writeb(objid, &pccs->var.update_param.object_id);
1737 writeb(1, &pccs->var.update_param.number_objects);
1738 writeb(0, &pccs->var.update_param.failure_cause);
1739 for (i = 0; i < len; i++) {
1740 writeb(value[i], local->sram + HOST_TO_ECF_BASE);
1742 /* Interrupt the firmware to process the command */
1743 if (interrupt_ecf(local, ccsindex)) {
1744 dev_dbg(&link->dev, "ray_cs associate failed - ECF not ready for intr\n");
1745 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1749 /*===========================================================================*/
1750 static void ray_update_multi_list(struct net_device *dev, int all)
1753 struct ccs __iomem *pccs;
1754 ray_dev_t *local = netdev_priv(dev);
1755 struct pcmcia_device *link = local->finder;
1756 void __iomem *p = local->sram + HOST_TO_ECF_BASE;
1758 if (!(pcmcia_dev_present(link))) {
1759 dev_dbg(&link->dev, "ray_update_multi_list - device not present\n");
1762 dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev);
1763 if ((ccsindex = get_free_ccs(local)) < 0) {
1764 dev_dbg(&link->dev, "ray_update_multi - No free ccs\n");
1767 pccs = ccs_base(local) + ccsindex;
1768 writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
1771 writeb(0xff, &pccs->var);
1772 local->num_multi = 0xff;
1774 struct netdev_hw_addr *ha;
1777 /* Copy the kernel's list of MC addresses to card */
1778 netdev_for_each_mc_addr(ha, dev) {
1779 memcpy_toio(p, ha->addr, ETH_ALEN);
1780 dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
1785 if (i > 256 / ADDRLEN)
1787 writeb((UCHAR) i, &pccs->var);
1788 dev_dbg(&link->dev, "ray_cs update_multi %d addresses in list\n", i);
1789 /* Interrupt the firmware to process the command */
1790 local->num_multi = i;
1792 if (interrupt_ecf(local, ccsindex)) {
1794 "ray_cs update_multi failed - ECF not ready for intr\n");
1795 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
1797 } /* end ray_update_multi_list */
1799 /*===========================================================================*/
1800 static void set_multicast_list(struct net_device *dev)
1802 ray_dev_t *local = netdev_priv(dev);
1805 pr_debug("ray_cs set_multicast_list(%p)\n", dev);
1807 if (dev->flags & IFF_PROMISC) {
1808 if (local->sparm.b5.a_promiscuous_mode == 0) {
1809 pr_debug("ray_cs set_multicast_list promisc on\n");
1810 local->sparm.b5.a_promiscuous_mode = 1;
1812 ray_update_parm(dev, OBJID_promiscuous_mode,
1813 &promisc, sizeof(promisc));
1816 if (local->sparm.b5.a_promiscuous_mode == 1) {
1817 pr_debug("ray_cs set_multicast_list promisc off\n");
1818 local->sparm.b5.a_promiscuous_mode = 0;
1820 ray_update_parm(dev, OBJID_promiscuous_mode,
1821 &promisc, sizeof(promisc));
1825 if (dev->flags & IFF_ALLMULTI)
1826 ray_update_multi_list(dev, 1);
1828 if (local->num_multi != netdev_mc_count(dev))
1829 ray_update_multi_list(dev, 0);
1831 } /* end set_multicast_list */
1833 /*=============================================================================
1834 * All routines below here are run at interrupt time.
1835 =============================================================================*/
1836 static irqreturn_t ray_interrupt(int irq, void *dev_id)
1838 struct net_device *dev = (struct net_device *)dev_id;
1839 struct pcmcia_device *link;
1841 struct ccs __iomem *pccs;
1842 struct rcs __iomem *prcs;
1847 UCHAR memtmp[ESSID_SIZE + 1];
1850 if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
1853 pr_debug("ray_cs: interrupt for *dev=%p\n", dev);
1855 local = netdev_priv(dev);
1856 link = local->finder;
1857 if (!pcmcia_dev_present(link)) {
1859 "ray_cs interrupt from device not present or suspended.\n");
1862 rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
1864 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
1865 dev_dbg(&link->dev, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex);
1866 clear_interrupt(local);
1869 if (rcsindex < NUMBER_OF_CCS) { /* If it's a returned CCS */
1870 pccs = ccs_base(local) + rcsindex;
1871 cmd = readb(&pccs->cmd);
1872 status = readb(&pccs->buffer_status);
1874 case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
1875 del_timer(&local->timer);
1876 if (status == CCS_COMMAND_COMPLETE) {
1878 "ray_cs interrupt download_startup_parameters OK\n");
1881 "ray_cs interrupt download_startup_parameters fail\n");
1884 case CCS_UPDATE_PARAMS:
1885 dev_dbg(&link->dev, "ray_cs interrupt update params done\n");
1886 if (status != CCS_COMMAND_COMPLETE) {
1888 readb(&pccs->var.update_param.
1891 "ray_cs interrupt update params failed - reason %d\n",
1895 case CCS_REPORT_PARAMS:
1896 dev_dbg(&link->dev, "ray_cs interrupt report params done\n");
1898 case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
1900 "ray_cs interrupt CCS Update Multicast List done\n");
1902 case CCS_UPDATE_POWER_SAVINGS_MODE:
1904 "ray_cs interrupt update power save mode done\n");
1906 case CCS_START_NETWORK:
1907 case CCS_JOIN_NETWORK:
1908 memcpy(memtmp, local->sparm.b4.a_current_ess_id,
1910 memtmp[ESSID_SIZE] = '\0';
1912 if (status == CCS_COMMAND_COMPLETE) {
1914 (&pccs->var.start_network.net_initiated) ==
1917 "ray_cs interrupt network \"%s\" started\n",
1921 "ray_cs interrupt network \"%s\" joined\n",
1924 memcpy_fromio(&local->bss_id,
1925 pccs->var.start_network.bssid,
1928 if (local->fw_ver == 0x55)
1929 local->net_default_tx_rate = 3;
1931 local->net_default_tx_rate =
1932 readb(&pccs->var.start_network.
1933 net_default_tx_rate);
1935 readb(&pccs->var.start_network.encryption);
1936 if (!sniffer && (local->net_type == INFRA)
1937 && !(local->sparm.b4.a_acting_as_ap_status)) {
1938 authenticate(local);
1940 local->card_status = CARD_ACQ_COMPLETE;
1942 local->card_status = CARD_ACQ_FAILED;
1944 del_timer(&local->timer);
1945 local->timer.expires = jiffies + HZ * 5;
1946 local->timer.data = (long)local;
1947 if (status == CCS_START_NETWORK) {
1949 "ray_cs interrupt network \"%s\" start failed\n",
1951 local->timer.function = start_net;
1954 "ray_cs interrupt network \"%s\" join failed\n",
1956 local->timer.function = join_net;
1958 add_timer(&local->timer);
1961 case CCS_START_ASSOCIATION:
1962 if (status == CCS_COMMAND_COMPLETE) {
1963 local->card_status = CARD_ASSOC_COMPLETE;
1964 dev_dbg(&link->dev, "ray_cs association successful\n");
1966 dev_dbg(&link->dev, "ray_cs association failed,\n");
1967 local->card_status = CARD_ASSOC_FAILED;
1968 join_net((u_long) local);
1971 case CCS_TX_REQUEST:
1972 if (status == CCS_COMMAND_COMPLETE) {
1974 "ray_cs interrupt tx request complete\n");
1977 "ray_cs interrupt tx request failed\n");
1980 netif_start_queue(dev);
1981 netif_wake_queue(dev);
1983 case CCS_TEST_MEMORY:
1984 dev_dbg(&link->dev, "ray_cs interrupt mem test done\n");
1988 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
1990 case CCS_DUMP_MEMORY:
1991 dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n");
1993 case CCS_START_TIMER:
1995 "ray_cs interrupt DING - raylink timer expired\n");
1999 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2002 writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
2003 } else { /* It's an RCS */
2005 prcs = rcs_base(local) + rcsindex;
2007 switch (readb(&prcs->interrupt_id)) {
2008 case PROCESS_RX_PACKET:
2009 ray_rx(dev, local, prcs);
2011 case REJOIN_NET_COMPLETE:
2012 dev_dbg(&link->dev, "ray_cs interrupt rejoin net complete\n");
2013 local->card_status = CARD_ACQ_COMPLETE;
2014 /* do we need to clear tx buffers CCS's? */
2015 if (local->sparm.b4.a_network_type == ADHOC) {
2017 netif_start_queue(dev);
2019 memcpy_fromio(&local->bss_id,
2020 prcs->var.rejoin_net_complete.
2022 dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
2025 authenticate(local);
2028 case ROAMING_INITIATED:
2029 dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n");
2030 netif_stop_queue(dev);
2031 local->card_status = CARD_DOING_ACQ;
2033 case JAPAN_CALL_SIGN_RXD:
2034 dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n");
2038 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2040 (unsigned int)readb(&prcs->interrupt_id));
2043 writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
2045 clear_interrupt(local);
2047 } /* ray_interrupt */
2049 /*===========================================================================*/
2050 static void ray_rx(struct net_device *dev, ray_dev_t *local,
2051 struct rcs __iomem *prcs)
2054 unsigned int pkt_addr;
2056 pr_debug("ray_rx process rx packet\n");
2058 /* Calculate address of packet within Rx buffer */
2059 pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
2060 + readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
2061 /* Length of first packet fragment */
2062 rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
2063 + readb(&prcs->var.rx_packet.rx_data_length[1]);
2065 local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
2066 pmsg = local->rmem + pkt_addr;
2067 switch (readb(pmsg)) {
2069 pr_debug("ray_rx data type\n");
2070 rx_data(dev, prcs, pkt_addr, rx_len);
2072 case AUTHENTIC_TYPE:
2073 pr_debug("ray_rx authentic type\n");
2075 rx_data(dev, prcs, pkt_addr, rx_len);
2077 rx_authenticate(local, prcs, pkt_addr, rx_len);
2079 case DEAUTHENTIC_TYPE:
2080 pr_debug("ray_rx deauth type\n");
2082 rx_data(dev, prcs, pkt_addr, rx_len);
2084 rx_deauthenticate(local, prcs, pkt_addr, rx_len);
2087 pr_debug("ray_cs rx NULL msg\n");
2090 pr_debug("ray_rx beacon type\n");
2092 rx_data(dev, prcs, pkt_addr, rx_len);
2094 copy_from_rx_buff(local, (UCHAR *) &local->last_bcn, pkt_addr,
2095 rx_len < sizeof(struct beacon_rx) ?
2096 rx_len : sizeof(struct beacon_rx));
2098 local->beacon_rxed = 1;
2099 /* Get the statistics so the card counters never overflow */
2103 pr_debug("ray_cs unknown pkt type %2x\n",
2104 (unsigned int)readb(pmsg));
2110 /*===========================================================================*/
2111 static void rx_data(struct net_device *dev, struct rcs __iomem *prcs,
2112 unsigned int pkt_addr, int rx_len)
2114 struct sk_buff *skb = NULL;
2115 struct rcs __iomem *prcslink = prcs;
2116 ray_dev_t *local = netdev_priv(dev);
2121 int siglev = local->last_rsl;
2122 u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
2127 /* TBD length needs fixing for translated header */
2128 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2130 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2133 "ray_cs invalid packet length %d received\n",
2137 } else { /* encapsulated ethernet */
2139 if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
2141 (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN +
2144 "ray_cs invalid packet length %d received\n",
2150 pr_debug("ray_cs rx_data packet\n");
2151 /* If fragmented packet, verify sizes of fragments add up */
2152 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2153 pr_debug("ray_cs rx'ed fragment\n");
2154 tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
2155 + readb(&prcs->var.rx_packet.totalpacketlength[1]);
2160 (readb(&prcslink->var.rx_packet.rx_data_length[0])
2162 + readb(&prcslink->var.rx_packet.rx_data_length[1]);
2163 if (readb(&prcslink->var.rx_packet.next_frag_rcs_index)
2166 prcslink = rcs_base(local)
2167 + readb(&prcslink->link_field);
2172 "ray_cs rx_data fragment lengths don't add up\n");
2173 local->stats.rx_dropped++;
2174 release_frag_chain(local, prcs);
2177 } else { /* Single unfragmented packet */
2181 skb = dev_alloc_skb(total_len + 5);
2183 pr_debug("ray_cs rx_data could not allocate skb\n");
2184 local->stats.rx_dropped++;
2185 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
2186 release_frag_chain(local, prcs);
2189 skb_reserve(skb, 2); /* Align IP on 16 byte (TBD check this) */
2191 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len,
2194 /************************/
2195 /* Reserve enough room for the whole damn packet. */
2196 rx_ptr = skb_put(skb, total_len);
2197 /* Copy the whole packet to sk_buff */
2199 copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
2200 /* Get source address */
2202 skb_copy_from_linear_data_offset(skb,
2203 offsetof(struct mac_header, addr_2),
2204 linksrcaddr, ETH_ALEN);
2206 /* Now, deal with encapsulation/translation/sniffer */
2209 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2210 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2211 skb_pull(skb, RX_MAC_HEADER_LENGTH);
2213 /* Do translation */
2214 untranslate(local, skb, total_len);
2216 } else { /* sniffer mode, so just pass whole packet */
2219 /************************/
2220 /* Now pick up the rest of the fragments if any */
2222 if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
2224 pr_debug("ray_cs rx_data in fragment loop\n");
2226 prcslink = rcs_base(local)
2228 readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2230 ((readb(&prcslink->var.rx_packet.rx_data_length[0])
2233 readb(&prcslink->var.rx_packet.rx_data_length[1]))
2236 ((readb(&prcslink->var.rx_packet.rx_data_ptr[0]) <<
2238 + readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
2242 copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
2245 readb(&prcslink->var.rx_packet.next_frag_rcs_index) !=
2247 release_frag_chain(local, prcs);
2250 skb->protocol = eth_type_trans(skb, dev);
2252 local->stats.rx_packets++;
2253 local->stats.rx_bytes += total_len;
2255 /* Gather signal strength per address */
2257 /* For the Access Point or the node having started the ad-hoc net
2258 * note : ad-hoc work only in some specific configurations, but we
2259 * kludge in ray_get_wireless_stats... */
2260 if (!memcmp(linksrcaddr, local->bss_id, ETH_ALEN)) {
2261 /* Update statistics */
2262 /*local->wstats.qual.qual = none ? */
2263 local->wstats.qual.level = siglev;
2264 /*local->wstats.qual.noise = none ? */
2265 local->wstats.qual.updated = 0x2;
2267 /* Now, update the spy stuff */
2269 struct iw_quality wstats;
2270 wstats.level = siglev;
2271 /* wstats.noise = none ? */
2272 /* wstats.qual = none ? */
2273 wstats.updated = 0x2;
2274 /* Update spy records */
2275 wireless_spy_update(dev, linksrcaddr, &wstats);
2277 #endif /* WIRELESS_SPY */
2280 /*===========================================================================*/
2281 static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
2283 snaphdr_t *psnap = (snaphdr_t *) (skb->data + RX_MAC_HEADER_LENGTH);
2284 struct ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data;
2285 __be16 type = *(__be16 *) psnap->ethertype;
2287 struct ethhdr *peth;
2288 UCHAR srcaddr[ADDRLEN];
2289 UCHAR destaddr[ADDRLEN];
2290 static const UCHAR org_bridge[3] = { 0, 0, 0xf8 };
2291 static const UCHAR org_1042[3] = { 0, 0, 0 };
2293 memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN);
2294 memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN);
2298 print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ",
2299 DUMP_PREFIX_NONE, 16, 1,
2300 skb->data, 64, true);
2302 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2303 ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl,
2304 psnap->org[0], psnap->org[1], psnap->org[2]);
2305 printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data);
2309 if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) {
2310 /* not a snap type so leave it alone */
2311 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2312 psnap->dsap, psnap->ssap, psnap->ctrl);
2314 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2315 peth = (struct ethhdr *)(skb->data + delta);
2316 peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
2317 } else { /* Its a SNAP */
2318 if (memcmp(psnap->org, org_bridge, 3) == 0) {
2319 /* EtherII and nuke the LLC */
2320 pr_debug("ray_cs untranslate Bridge encap\n");
2321 delta = RX_MAC_HEADER_LENGTH
2322 + sizeof(struct snaphdr_t) - ETH_HLEN;
2323 peth = (struct ethhdr *)(skb->data + delta);
2324 peth->h_proto = type;
2325 } else if (memcmp(psnap->org, org_1042, 3) == 0) {
2326 switch (ntohs(type)) {
2329 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2330 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2331 peth = (struct ethhdr *)(skb->data + delta);
2333 htons(len - RX_MAC_HEADER_LENGTH);
2336 pr_debug("ray_cs untranslate RFC default\n");
2337 delta = RX_MAC_HEADER_LENGTH +
2338 sizeof(struct snaphdr_t) - ETH_HLEN;
2339 peth = (struct ethhdr *)(skb->data + delta);
2340 peth->h_proto = type;
2344 printk("ray_cs untranslate very confused by packet\n");
2345 delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
2346 peth = (struct ethhdr *)(skb->data + delta);
2347 peth->h_proto = type;
2350 /* TBD reserve skb_reserve(skb, delta); */
2351 skb_pull(skb, delta);
2352 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta,
2354 memcpy(peth->h_dest, destaddr, ADDRLEN);
2355 memcpy(peth->h_source, srcaddr, ADDRLEN);
2359 printk(KERN_DEBUG "skb->data after untranslate:");
2360 for (i = 0; i < 64; i++)
2361 printk("%02x ", skb->data[i]);
2365 } /* end untranslate */
2367 /*===========================================================================*/
2368 /* Copy data from circular receive buffer to PC memory.
2369 * dest = destination address in PC memory
2370 * pkt_addr = source address in receive buffer
2371 * len = length of packet to copy
2373 static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr,
2376 int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
2377 if (wrap_bytes <= 0) {
2378 memcpy_fromio(dest, local->rmem + pkt_addr, length);
2379 } else { /* Packet wrapped in circular buffer */
2381 memcpy_fromio(dest, local->rmem + pkt_addr,
2382 length - wrap_bytes);
2383 memcpy_fromio(dest + length - wrap_bytes, local->rmem,
2389 /*===========================================================================*/
2390 static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs)
2392 struct rcs __iomem *prcslink = prcs;
2394 unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
2397 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2398 if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
2399 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2403 prcslink = rcs_base(local) + rcsindex;
2404 rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
2406 writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
2409 /*===========================================================================*/
2410 static void authenticate(ray_dev_t *local)
2412 struct pcmcia_device *link = local->finder;
2413 dev_dbg(&link->dev, "ray_cs Starting authentication.\n");
2414 if (!(pcmcia_dev_present(link))) {
2415 dev_dbg(&link->dev, "ray_cs authenticate - device not present\n");
2419 del_timer(&local->timer);
2420 if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
2421 local->timer.function = join_net;
2423 local->timer.function = authenticate_timeout;
2425 local->timer.expires = jiffies + HZ * 2;
2426 local->timer.data = (long)local;
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((u_long) local);
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.data = (long)local;
2508 local->timer.function = join_net;
2509 add_timer(&local->timer);
2510 local->card_status = CARD_ASSOC_FAILED;
2514 netif_start_queue(dev);
2516 } /* end associate */
2518 /*===========================================================================*/
2519 static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
2520 unsigned int pkt_addr, int rx_len)
2523 struct ray_rx_msg *msg = (struct ray_rx_msg *) buff;
2525 pr_debug("Deauthentication frame received\n");
2526 local->authentication_state = UNAUTHENTICATED;
2527 /* Need to reauthenticate or rejoin depending on reason code */
2528 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2532 /*===========================================================================*/
2533 static void clear_interrupt(ray_dev_t *local)
2535 writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
2538 /*===========================================================================*/
2539 #ifdef CONFIG_PROC_FS
2540 #define MAXDATA (PAGE_SIZE - 80)
2542 static const char *card_status[] = {
2543 "Card inserted - uninitialized", /* 0 */
2544 "Card not downloaded", /* 1 */
2545 "Waiting for download parameters", /* 2 */
2546 "Card doing acquisition", /* 3 */
2547 "Acquisition complete", /* 4 */
2548 "Authentication complete", /* 5 */
2549 "Association complete", /* 6 */
2550 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2551 "Card init error", /* 11 */
2552 "Download parameters error", /* 12 */
2554 "Acquisition failed", /* 14 */
2555 "Authentication refused", /* 15 */
2556 "Association failed" /* 16 */
2559 static const char *nettype[] = { "Adhoc", "Infra " };
2560 static const char *framing[] = { "Encapsulation", "Translation" }
2563 /*===========================================================================*/
2564 static int ray_cs_proc_show(struct seq_file *m, void *v)
2566 /* Print current values which are not available via other means
2570 struct pcmcia_device *link;
2571 struct net_device *dev;
2574 struct freq_hop_element *pfh;
2580 dev = (struct net_device *)link->priv;
2583 local = netdev_priv(dev);
2587 seq_puts(m, "Raylink Wireless LAN driver status\n");
2588 seq_printf(m, "%s\n", rcsid);
2589 /* build 4 does not report version, and field is 0x55 after memtest */
2590 seq_puts(m, "Firmware version = ");
2591 if (local->fw_ver == 0x55)
2592 seq_puts(m, "4 - Use dump_cis for more details\n");
2594 seq_printf(m, "%2d.%02d.%02d\n",
2595 local->fw_ver, local->fw_bld, local->fw_var);
2597 for (i = 0; i < 32; i++)
2598 c[i] = local->sparm.b5.a_current_ess_id[i];
2600 seq_printf(m, "%s network ESSID = \"%s\"\n",
2601 nettype[local->sparm.b5.a_network_type], c);
2604 seq_printf(m, "BSSID = %pM\n", p);
2606 seq_printf(m, "Country code = %d\n",
2607 local->sparm.b5.a_curr_country_code);
2609 i = local->card_status;
2614 seq_printf(m, "Card status = %s\n", card_status[i]);
2616 seq_printf(m, "Framing mode = %s\n", framing[translate]);
2618 seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl);
2620 if (local->beacon_rxed) {
2621 /* Pull some fields out of last beacon received */
2622 seq_printf(m, "Beacon Interval = %d Kus\n",
2623 local->last_bcn.beacon_intvl[0]
2624 + 256 * local->last_bcn.beacon_intvl[1]);
2626 p = local->last_bcn.elements;
2627 if (p[0] == C_ESSID_ELEMENT_ID)
2631 "Parse beacon failed at essid element id = %d\n",
2636 if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
2637 seq_puts(m, "Supported rate codes = ");
2638 for (i = 2; i < p[1] + 2; i++)
2639 seq_printf(m, "0x%02x ", p[i]);
2643 seq_puts(m, "Parse beacon failed at rates element\n");
2647 if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
2648 pfh = (struct freq_hop_element *)p;
2649 seq_printf(m, "Hop dwell = %d Kus\n",
2650 pfh->dwell_time[0] +
2651 256 * pfh->dwell_time[1]);
2652 seq_printf(m, "Hop set = %d\n",
2654 seq_printf(m, "Hop pattern = %d\n",
2656 seq_printf(m, "Hop index = %d\n",
2661 "Parse beacon failed at FH param element\n");
2665 seq_puts(m, "No beacons received\n");
2670 static int ray_cs_proc_open(struct inode *inode, struct file *file)
2672 return single_open(file, ray_cs_proc_show, NULL);
2675 static const struct file_operations ray_cs_proc_fops = {
2676 .owner = THIS_MODULE,
2677 .open = ray_cs_proc_open,
2679 .llseek = seq_lseek,
2680 .release = single_release,
2683 /*===========================================================================*/
2684 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
2687 struct ccs __iomem *pccs;
2688 struct tx_msg __iomem *ptx;
2691 /* If no tx buffers available, return */
2692 if ((ccsindex = get_free_tx_ccs(local)) < 0) {
2693 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2697 pccs = ccs_base(local) + ccsindex;
2699 /* Address in card space */
2700 addr = TX_BUF_BASE + (ccsindex << 11);
2701 /* fill in the CCS */
2702 writeb(CCS_TX_REQUEST, &pccs->cmd);
2703 writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
2704 writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
2705 writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
2706 writeb(TX_AUTHENTICATE_LENGTH_LSB,
2707 pccs->var.tx_request.tx_data_length + 1);
2708 writeb(0, &pccs->var.tx_request.pow_sav_mode);
2710 ptx = local->sram + addr;
2711 /* fill in the mac header */
2712 writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
2713 writeb(0, &ptx->mac.frame_ctl_2);
2715 memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
2716 memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
2717 memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
2719 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2720 memset_io(ptx->var, 0, 6);
2721 writeb(auth_type & 0xff, ptx->var + 2);
2723 /* Interrupt the firmware to process the command */
2724 if (interrupt_ecf(local, ccsindex)) {
2726 "ray_cs send authentication request failed - ECF not ready for intr\n");
2727 writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
2731 } /* End build_auth_frame */
2733 /*===========================================================================*/
2734 #ifdef CONFIG_PROC_FS
2735 static ssize_t ray_cs_essid_proc_write(struct file *file,
2736 const char __user *buffer, size_t count, loff_t *pos)
2738 static char proc_essid[33];
2739 unsigned int len = count;
2743 memset(proc_essid, 0, 33);
2744 if (copy_from_user(proc_essid, buffer, len))
2750 static const struct file_operations ray_cs_essid_proc_fops = {
2751 .owner = THIS_MODULE,
2752 .write = ray_cs_essid_proc_write,
2753 .llseek = noop_llseek,
2756 static ssize_t int_proc_write(struct file *file, const char __user *buffer,
2757 size_t count, loff_t *pos)
2759 static char proc_number[10];
2768 if (copy_from_user(proc_number, buffer, count))
2774 unsigned int c = *p - '0';
2780 *(int *)PDE_DATA(file_inode(file)) = nr;
2784 static const struct file_operations int_proc_fops = {
2785 .owner = THIS_MODULE,
2786 .write = int_proc_write,
2787 .llseek = noop_llseek,
2791 static const struct pcmcia_device_id ray_ids[] = {
2792 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2796 MODULE_DEVICE_TABLE(pcmcia, ray_ids);
2798 static struct pcmcia_driver ray_driver = {
2799 .owner = THIS_MODULE,
2802 .remove = ray_detach,
2803 .id_table = ray_ids,
2804 .suspend = ray_suspend,
2805 .resume = ray_resume,
2808 static int __init init_ray_cs(void)
2812 pr_debug("%s\n", rcsid);
2813 rc = pcmcia_register_driver(&ray_driver);
2814 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2817 #ifdef CONFIG_PROC_FS
2818 proc_mkdir("driver/ray_cs", NULL);
2820 proc_create("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_fops);
2821 proc_create("driver/ray_cs/essid", S_IWUSR, NULL, &ray_cs_essid_proc_fops);
2822 proc_create_data("driver/ray_cs/net_type", S_IWUSR, NULL, &int_proc_fops, &net_type);
2823 proc_create_data("driver/ray_cs/translate", S_IWUSR, NULL, &int_proc_fops, &translate);
2830 /*===========================================================================*/
2832 static void __exit exit_ray_cs(void)
2834 pr_debug("ray_cs: cleanup_module\n");
2836 #ifdef CONFIG_PROC_FS
2837 remove_proc_entry("driver/ray_cs/ray_cs", NULL);
2838 remove_proc_entry("driver/ray_cs/essid", NULL);
2839 remove_proc_entry("driver/ray_cs/net_type", NULL);
2840 remove_proc_entry("driver/ray_cs/translate", NULL);
2841 remove_proc_entry("driver/ray_cs", NULL);
2844 pcmcia_unregister_driver(&ray_driver);
2847 module_init(init_ray_cs);
2848 module_exit(exit_ray_cs);
2850 /*===========================================================================*/