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, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
24 * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
25 * - reorganize kmallocs in ray_attach, checking all for failure
26 * and releasing the previous allocations if one fails
28 * Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
29 * - Audit copy_to_user in ioctl(SIOCGIWESSID)
31 =============================================================================*/
33 #include <linux/module.h>
34 #include <linux/kernel.h>
35 #include <linux/proc_fs.h>
36 #include <linux/ptrace.h>
37 #include <linux/slab.h>
38 #include <linux/string.h>
39 #include <linux/timer.h>
40 #include <linux/init.h>
41 #include <linux/netdevice.h>
42 #include <linux/etherdevice.h>
43 #include <linux/if_arp.h>
44 #include <linux/ioport.h>
45 #include <linux/skbuff.h>
46 #include <linux/ethtool.h>
48 #include <pcmcia/cs_types.h>
49 #include <pcmcia/cs.h>
50 #include <pcmcia/cistpl.h>
51 #include <pcmcia/cisreg.h>
52 #include <pcmcia/ds.h>
53 #include <pcmcia/mem_op.h>
55 #include <linux/wireless.h>
56 #include <net/iw_handler.h>
59 #include <asm/system.h>
60 #include <asm/byteorder.h>
61 #include <asm/uaccess.h>
63 /* Warning : these stuff will slow down the driver... */
64 #define WIRELESS_SPY /* Enable spying addresses */
65 /* Definitions we need for spy */
66 typedef struct iw_statistics iw_stats
;
67 typedef u_char mac_addr
[ETH_ALEN
]; /* Hardware address */
72 /* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
73 you do not define PCMCIA_DEBUG at all, all the debug code will be
74 left out. If you compile with PCMCIA_DEBUG=0, the debug code will
75 be present but disabled -- but it can then be enabled for specific
76 modules at load time with a 'pc_debug=#' option to insmod.
80 #define PCMCIA_DEBUG RAYLINK_DEBUG
84 static int pc_debug
= PCMCIA_DEBUG
;
85 module_param(pc_debug
, int, 0);
86 /* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */
87 #define DEBUG(n, args...) if (pc_debug>(n)) printk(args);
89 #define DEBUG(n, args...)
91 /** Prototypes based on PCMCIA skeleton driver *******************************/
92 static int ray_config(struct pcmcia_device
*link
);
93 static void ray_release(struct pcmcia_device
*link
);
94 static void ray_detach(struct pcmcia_device
*p_dev
);
96 /***** Prototypes indicated by device structure ******************************/
97 static int ray_dev_close(struct net_device
*dev
);
98 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
);
99 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
);
100 static int ray_dev_init(struct net_device
*dev
);
102 static const struct ethtool_ops netdev_ethtool_ops
;
104 static int ray_open(struct net_device
*dev
);
105 static int ray_dev_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
);
106 static void set_multicast_list(struct net_device
*dev
);
107 static void ray_update_multi_list(struct net_device
*dev
, int all
);
108 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
109 unsigned char *data
, int len
);
110 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
, UCHAR msg_type
,
111 unsigned char *data
);
112 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
);
113 static iw_stats
* ray_get_wireless_stats(struct net_device
* dev
);
114 static const struct iw_handler_def ray_handler_def
;
116 /***** Prototypes for raylink functions **************************************/
117 static int asc_to_int(char a
);
118 static void authenticate(ray_dev_t
*local
);
119 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
);
120 static void authenticate_timeout(u_long
);
121 static int get_free_ccs(ray_dev_t
*local
);
122 static int get_free_tx_ccs(ray_dev_t
*local
);
123 static void init_startup_params(ray_dev_t
*local
);
124 static int parse_addr(char *in_str
, UCHAR
*out
);
125 static int ray_hw_xmit(unsigned char* data
, int len
, struct net_device
* dev
, UCHAR type
);
126 static int ray_init(struct net_device
*dev
);
127 static int interrupt_ecf(ray_dev_t
*local
, int ccs
);
128 static void ray_reset(struct net_device
*dev
);
129 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
, int len
);
130 static void verify_dl_startup(u_long
);
132 /* Prototypes for interrpt time functions **********************************/
133 static irqreturn_t
ray_interrupt (int reg
, void *dev_id
);
134 static void clear_interrupt(ray_dev_t
*local
);
135 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
136 unsigned int pkt_addr
, int rx_len
);
137 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
, int len
);
138 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
, struct rcs __iomem
*prcs
);
139 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
*prcs
);
140 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
141 unsigned int pkt_addr
, int rx_len
);
142 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
, unsigned int pkt_addr
,
144 static void associate(ray_dev_t
*local
);
146 /* Card command functions */
147 static int dl_startup_params(struct net_device
*dev
);
148 static void join_net(u_long local
);
149 static void start_net(u_long local
);
150 /* void start_net(ray_dev_t *local); */
152 /*===========================================================================*/
153 /* Parameters that can be set with 'insmod' */
155 /* ADHOC=0, Infrastructure=1 */
156 static int net_type
= ADHOC
;
158 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
159 static int hop_dwell
= 128;
161 /* Beacon period in Kus */
162 static int beacon_period
= 256;
164 /* power save mode (0 = off, 1 = save power) */
167 /* String for network's Extended Service Set ID. 32 Characters max */
170 /* Default to encapsulation unless translation requested */
171 static int translate
= 1;
173 static int country
= USA
;
179 /* 48 bit physical card address if overriding card's real physical
180 * address is required. Since IEEE 802.11 addresses are 48 bits
181 * like ethernet, an int can't be used, so a string is used. To
182 * allow use of addresses starting with a decimal digit, the first
183 * character must be a letter and will be ignored. This letter is
184 * followed by up to 12 hex digits which are the address. If less
185 * than 12 digits are used, the address will be left filled with 0's.
186 * Note that bit 0 of the first byte is the broadcast bit, and evil
187 * things will happen if it is not 0 in a card address.
189 static char *phy_addr
= NULL
;
192 /* A struct pcmcia_device structure has fields for most things that are needed
193 to keep track of a socket, but there will usually be some device
194 specific information that also needs to be kept track of. The
195 'priv' pointer in a struct pcmcia_device structure can be used to point to
196 a device-specific private data structure, like this.
198 static unsigned int ray_mem_speed
= 500;
200 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
201 static struct pcmcia_device
*this_device
= NULL
;
203 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
204 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
205 MODULE_LICENSE("GPL");
207 module_param(net_type
, int, 0);
208 module_param(hop_dwell
, int, 0);
209 module_param(beacon_period
, int, 0);
210 module_param(psm
, int, 0);
211 module_param(essid
, charp
, 0);
212 module_param(translate
, int, 0);
213 module_param(country
, int, 0);
214 module_param(sniffer
, int, 0);
215 module_param(bc
, int, 0);
216 module_param(phy_addr
, charp
, 0);
217 module_param(ray_mem_speed
, int, 0);
219 static UCHAR b5_default_startup_parms
[] = {
220 0, 0, /* Adhoc station */
221 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
222 0, 0, 0, 0, 0, 0, 0, 0,
223 0, 0, 0, 0, 0, 0, 0, 0,
224 0, 0, 0, 0, 0, 0, 0, 0,
225 1, 0, /* Active scan, CA Mode */
226 0, 0, 0, 0, 0, 0, /* No default MAC addr */
227 0x7f, 0xff, /* Frag threshold */
228 0x00, 0x80, /* Hop time 128 Kus*/
229 0x01, 0x00, /* Beacon period 256 Kus */
230 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
231 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
232 0x7f, 0xff, /* RTS threshold */
233 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
234 0x05, /* assoc resp timeout thresh */
235 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max*/
236 0, /* Promiscuous mode */
237 0x0c, 0x0bd, /* Unique word */
238 0x32, /* Slot time */
239 0xff, 0xff, /* roam-low snr, low snr count */
240 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
241 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
242 /* b4 - b5 differences start here */
243 0x00, 0x3f, /* CW max */
244 0x00, 0x0f, /* CW min */
245 0x04, 0x08, /* Noise gain, limit offset */
246 0x28, 0x28, /* det rssi, med busy offsets */
247 7, /* det sync thresh */
248 0, 2, 2, /* test mode, min, max */
249 0, /* allow broadcast SSID probe resp */
250 0, 0, /* privacy must start, can join */
251 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
254 static UCHAR b4_default_startup_parms
[] = {
255 0, 0, /* Adhoc station */
256 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
257 0, 0, 0, 0, 0, 0, 0, 0,
258 0, 0, 0, 0, 0, 0, 0, 0,
259 0, 0, 0, 0, 0, 0, 0, 0,
260 1, 0, /* Active scan, CA Mode */
261 0, 0, 0, 0, 0, 0, /* No default MAC addr */
262 0x7f, 0xff, /* Frag threshold */
263 0x02, 0x00, /* Hop time */
264 0x00, 0x01, /* Beacon period */
265 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
266 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
267 0x7f, 0xff, /* RTS threshold */
268 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
269 0x05, /* assoc resp timeout thresh */
270 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max*/
271 0, /* Promiscuous mode */
272 0x0c, 0x0bd, /* Unique word */
273 0x4e, /* Slot time (TBD seems wrong)*/
274 0xff, 0xff, /* roam-low snr, low snr count */
275 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
276 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
277 /* b4 - b5 differences start here */
278 0x3f, 0x0f, /* CW max, min */
279 0x04, 0x08, /* Noise gain, limit offset */
280 0x28, 0x28, /* det rssi, med busy offsets */
281 7, /* det sync thresh */
282 0, 2, 2 /* test mode, min, max*/
284 /*===========================================================================*/
285 static unsigned char eth2_llc
[] = {0xaa, 0xaa, 3, 0, 0, 0};
287 static char hop_pattern_length
[] = { 1,
288 USA_HOP_MOD
, EUROPE_HOP_MOD
,
289 JAPAN_HOP_MOD
, KOREA_HOP_MOD
,
290 SPAIN_HOP_MOD
, FRANCE_HOP_MOD
,
291 ISRAEL_HOP_MOD
, AUSTRALIA_HOP_MOD
,
295 static char rcsid
[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
297 /*=============================================================================
298 ray_attach() creates an "instance" of the driver, allocating
299 local data structures for one device. The device is registered
301 The dev_link structure is initialized, but we don't actually
302 configure the card at this point -- we wait until we receive a
303 card insertion event.
304 =============================================================================*/
305 static int ray_probe(struct pcmcia_device
*p_dev
)
308 struct net_device
*dev
;
310 DEBUG(1, "ray_attach()\n");
312 /* Allocate space for private device-specific data */
313 dev
= alloc_etherdev(sizeof(ray_dev_t
));
318 local
->finder
= p_dev
;
320 /* The io structure describes IO port mapping. None used here */
321 p_dev
->io
.NumPorts1
= 0;
322 p_dev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_8
;
323 p_dev
->io
.IOAddrLines
= 5;
325 /* Interrupt setup. For PCMCIA, driver takes what's given */
326 p_dev
->irq
.Attributes
= IRQ_TYPE_EXCLUSIVE
| IRQ_HANDLE_PRESENT
;
327 p_dev
->irq
.IRQInfo1
= IRQ_LEVEL_ID
;
328 p_dev
->irq
.Handler
= &ray_interrupt
;
330 /* General socket configuration */
331 p_dev
->conf
.Attributes
= CONF_ENABLE_IRQ
;
332 p_dev
->conf
.IntType
= INT_MEMORY_AND_IO
;
333 p_dev
->conf
.ConfigIndex
= 1;
334 p_dev
->conf
.Present
= PRESENT_OPTION
;
337 p_dev
->irq
.Instance
= dev
;
339 local
->finder
= p_dev
;
340 local
->card_status
= CARD_INSERTED
;
341 local
->authentication_state
= UNAUTHENTICATED
;
342 local
->num_multi
= 0;
343 DEBUG(2,"ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
344 p_dev
,dev
,local
,&ray_interrupt
);
346 /* Raylink entries in the device structure */
347 dev
->hard_start_xmit
= &ray_dev_start_xmit
;
348 dev
->set_config
= &ray_dev_config
;
349 dev
->get_stats
= &ray_get_stats
;
350 SET_ETHTOOL_OPS(dev
, &netdev_ethtool_ops
);
351 dev
->wireless_handlers
= &ray_handler_def
;
353 local
->wireless_data
.spy_data
= &local
->spy_data
;
354 dev
->wireless_data
= &local
->wireless_data
;
355 #endif /* WIRELESS_SPY */
357 dev
->set_multicast_list
= &set_multicast_list
;
359 DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n");
360 SET_MODULE_OWNER(dev
);
361 dev
->init
= &ray_dev_init
;
362 dev
->open
= &ray_open
;
363 dev
->stop
= &ray_dev_close
;
364 netif_stop_queue(dev
);
366 init_timer(&local
->timer
);
369 return ray_config(p_dev
);
374 /*=============================================================================
375 This deletes a driver "instance". The device is de-registered
376 with Card Services. If it has been released, all local data
377 structures are freed. Otherwise, the structures will be freed
378 when the device is released.
379 =============================================================================*/
380 static void ray_detach(struct pcmcia_device
*link
)
382 struct net_device
*dev
;
385 DEBUG(1, "ray_detach(0x%p)\n", link
);
392 local
= (ray_dev_t
*)dev
->priv
;
393 del_timer(&local
->timer
);
396 if (link
->dev_node
) unregister_netdev(dev
);
399 DEBUG(2,"ray_cs ray_detach ending\n");
401 /*=============================================================================
402 ray_config() is run after a CARD_INSERTION event
403 is received, to configure the PCMCIA socket, and to make the
404 ethernet device available to the system.
405 =============================================================================*/
406 #define CS_CHECK(fn, ret) \
407 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
408 #define MAX_TUPLE_SIZE 128
409 static int ray_config(struct pcmcia_device
*link
)
411 int last_fn
= 0, last_ret
= 0;
415 struct net_device
*dev
= (struct net_device
*)link
->priv
;
416 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
418 DEBUG(1, "ray_config(0x%p)\n", link
);
420 /* Determine card type and firmware version */
421 printk(KERN_INFO
"ray_cs Detected: %s%s%s%s\n",
422 link
->prod_id
[0] ? link
->prod_id
[0] : " ",
423 link
->prod_id
[1] ? link
->prod_id
[1] : " ",
424 link
->prod_id
[2] ? link
->prod_id
[2] : " ",
425 link
->prod_id
[3] ? link
->prod_id
[3] : " ");
427 /* Now allocate an interrupt line. Note that this does not
428 actually assign a handler to the interrupt.
430 CS_CHECK(RequestIRQ
, pcmcia_request_irq(link
, &link
->irq
));
431 dev
->irq
= link
->irq
.AssignedIRQ
;
433 /* This actually configures the PCMCIA socket -- setting up
434 the I/O windows and the interrupt mapping.
436 CS_CHECK(RequestConfiguration
, pcmcia_request_configuration(link
, &link
->conf
));
438 /*** Set up 32k window for shared memory (transmit and control) ************/
439 req
.Attributes
= WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
442 req
.AccessSpeed
= ray_mem_speed
;
443 CS_CHECK(RequestWindow
, pcmcia_request_window(&link
, &req
, &link
->win
));
444 mem
.CardOffset
= 0x0000; mem
.Page
= 0;
445 CS_CHECK(MapMemPage
, pcmcia_map_mem_page(link
->win
, &mem
));
446 local
->sram
= ioremap(req
.Base
,req
.Size
);
448 /*** Set up 16k window for shared memory (receive buffer) ***************/
449 req
.Attributes
= WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
452 req
.AccessSpeed
= ray_mem_speed
;
453 CS_CHECK(RequestWindow
, pcmcia_request_window(&link
, &req
, &local
->rmem_handle
));
454 mem
.CardOffset
= 0x8000; mem
.Page
= 0;
455 CS_CHECK(MapMemPage
, pcmcia_map_mem_page(local
->rmem_handle
, &mem
));
456 local
->rmem
= ioremap(req
.Base
,req
.Size
);
458 /*** Set up window for attribute memory ***********************************/
459 req
.Attributes
= WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_AM
| WIN_ENABLE
| WIN_USE_WAIT
;
462 req
.AccessSpeed
= ray_mem_speed
;
463 CS_CHECK(RequestWindow
, pcmcia_request_window(&link
, &req
, &local
->amem_handle
));
464 mem
.CardOffset
= 0x0000; mem
.Page
= 0;
465 CS_CHECK(MapMemPage
, pcmcia_map_mem_page(local
->amem_handle
, &mem
));
466 local
->amem
= ioremap(req
.Base
,req
.Size
);
468 DEBUG(3,"ray_config sram=%p\n",local
->sram
);
469 DEBUG(3,"ray_config rmem=%p\n",local
->rmem
);
470 DEBUG(3,"ray_config amem=%p\n",local
->amem
);
471 if (ray_init(dev
) < 0) {
476 SET_NETDEV_DEV(dev
, &handle_to_dev(link
));
477 i
= register_netdev(dev
);
479 printk("ray_config register_netdev() failed\n");
484 strcpy(local
->node
.dev_name
, dev
->name
);
485 link
->dev_node
= &local
->node
;
487 printk(KERN_INFO
"%s: RayLink, irq %d, hw_addr ",
488 dev
->name
, dev
->irq
);
489 for (i
= 0; i
< 6; i
++)
490 printk("%02X%s", dev
->dev_addr
[i
], ((i
<5) ? ":" : "\n"));
495 cs_error(link
, last_fn
, last_ret
);
501 static inline struct ccs __iomem
*ccs_base(ray_dev_t
*dev
)
503 return dev
->sram
+ CCS_BASE
;
506 static inline struct rcs __iomem
*rcs_base(ray_dev_t
*dev
)
509 * This looks nonsensical, since there is a separate
510 * RCS_BASE. But the difference between a "struct rcs"
511 * and a "struct ccs" ends up being in the _index_ off
512 * the base, so the base pointer is the same for both
515 return dev
->sram
+ CCS_BASE
;
518 /*===========================================================================*/
519 static int ray_init(struct net_device
*dev
)
523 struct ccs __iomem
*pccs
;
524 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
525 struct pcmcia_device
*link
= local
->finder
;
526 DEBUG(1, "ray_init(0x%p)\n", dev
);
527 if (!(pcmcia_dev_present(link
))) {
528 DEBUG(0,"ray_init - device not present\n");
532 local
->net_type
= net_type
;
533 local
->sta_type
= TYPE_STA
;
535 /* Copy the startup results to local memory */
536 memcpy_fromio(&local
->startup_res
, local
->sram
+ ECF_TO_HOST_BASE
,\
537 sizeof(struct startup_res_6
));
539 /* Check Power up test status and get mac address from card */
540 if (local
->startup_res
.startup_word
!= 0x80) {
541 printk(KERN_INFO
"ray_init ERROR card status = %2x\n",
542 local
->startup_res
.startup_word
);
543 local
->card_status
= CARD_INIT_ERROR
;
547 local
->fw_ver
= local
->startup_res
.firmware_version
[0];
548 local
->fw_bld
= local
->startup_res
.firmware_version
[1];
549 local
->fw_var
= local
->startup_res
.firmware_version
[2];
550 DEBUG(1,"ray_init firmware version %d.%d \n",local
->fw_ver
, local
->fw_bld
);
552 local
->tib_length
= 0x20;
553 if ((local
->fw_ver
== 5) && (local
->fw_bld
>= 30))
554 local
->tib_length
= local
->startup_res
.tib_length
;
555 DEBUG(2,"ray_init tib_length = 0x%02x\n", local
->tib_length
);
556 /* Initialize CCS's to buffer free state */
557 pccs
= ccs_base(local
);
558 for (i
=0; i
<NUMBER_OF_CCS
; i
++) {
559 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
561 init_startup_params(local
);
563 /* copy mac address to startup parameters */
564 if (parse_addr(phy_addr
, local
->sparm
.b4
.a_mac_addr
))
566 p
= local
->sparm
.b4
.a_mac_addr
;
570 memcpy(&local
->sparm
.b4
.a_mac_addr
,
571 &local
->startup_res
.station_addr
, ADDRLEN
);
572 p
= local
->sparm
.b4
.a_mac_addr
;
575 clear_interrupt(local
); /* Clear any interrupt from the card */
576 local
->card_status
= CARD_AWAITING_PARAM
;
577 DEBUG(2,"ray_init ending\n");
580 /*===========================================================================*/
581 /* Download startup parameters to the card and command it to read them */
582 static int dl_startup_params(struct net_device
*dev
)
585 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
586 struct ccs __iomem
*pccs
;
587 struct pcmcia_device
*link
= local
->finder
;
589 DEBUG(1,"dl_startup_params entered\n");
590 if (!(pcmcia_dev_present(link
))) {
591 DEBUG(2,"ray_cs dl_startup_params - device not present\n");
595 /* Copy parameters to host to ECF area */
596 if (local
->fw_ver
== 0x55)
597 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b4
,
598 sizeof(struct b4_startup_params
));
600 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b5
,
601 sizeof(struct b5_startup_params
));
604 /* Fill in the CCS fields for the ECF */
605 if ((ccsindex
= get_free_ccs(local
)) < 0) return -1;
606 local
->dl_param_ccs
= ccsindex
;
607 pccs
= ccs_base(local
) + ccsindex
;
608 writeb(CCS_DOWNLOAD_STARTUP_PARAMS
, &pccs
->cmd
);
609 DEBUG(2,"dl_startup_params start ccsindex = %d\n", local
->dl_param_ccs
);
610 /* Interrupt the firmware to process the command */
611 if (interrupt_ecf(local
, ccsindex
)) {
612 printk(KERN_INFO
"ray dl_startup_params failed - "
613 "ECF not ready for intr\n");
614 local
->card_status
= CARD_DL_PARAM_ERROR
;
615 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
618 local
->card_status
= CARD_DL_PARAM
;
619 /* Start kernel timer to wait for dl startup to complete. */
620 local
->timer
.expires
= jiffies
+ HZ
/2;
621 local
->timer
.data
= (long)local
;
622 local
->timer
.function
= &verify_dl_startup
;
623 add_timer(&local
->timer
);
624 DEBUG(2,"ray_cs dl_startup_params started timer for verify_dl_startup\n");
626 } /* dl_startup_params */
627 /*===========================================================================*/
628 static void init_startup_params(ray_dev_t
*local
)
632 if (country
> JAPAN_TEST
) country
= USA
;
634 if (country
< USA
) country
= USA
;
635 /* structure for hop time and beacon period is defined here using
636 * New 802.11D6.1 format. Card firmware is still using old format
639 * a_hop_time ms byte a_hop_time ms byte
640 * a_hop_time 2s byte a_hop_time ls byte
641 * a_hop_time ls byte a_beacon_period ms byte
642 * a_beacon_period a_beacon_period ls byte
644 * a_hop_time = uS a_hop_time = KuS
645 * a_beacon_period = hops a_beacon_period = KuS
646 */ /* 64ms = 010000 */
647 if (local
->fw_ver
== 0x55) {
648 memcpy((UCHAR
*)&local
->sparm
.b4
, b4_default_startup_parms
,
649 sizeof(struct b4_startup_params
));
650 /* Translate sane kus input values to old build 4/5 format */
651 /* i = hop time in uS truncated to 3 bytes */
652 i
= (hop_dwell
* 1024) & 0xffffff;
653 local
->sparm
.b4
.a_hop_time
[0] = (i
>> 16) & 0xff;
654 local
->sparm
.b4
.a_hop_time
[1] = (i
>> 8) & 0xff;
655 local
->sparm
.b4
.a_beacon_period
[0] = 0;
656 local
->sparm
.b4
.a_beacon_period
[1] =
657 ((beacon_period
/hop_dwell
) - 1) & 0xff;
658 local
->sparm
.b4
.a_curr_country_code
= country
;
659 local
->sparm
.b4
.a_hop_pattern_length
=
660 hop_pattern_length
[(int)country
] - 1;
663 local
->sparm
.b4
.a_ack_timeout
= 0x50;
664 local
->sparm
.b4
.a_sifs
= 0x3f;
667 else { /* Version 5 uses real kus values */
668 memcpy((UCHAR
*)&local
->sparm
.b5
, b5_default_startup_parms
,
669 sizeof(struct b5_startup_params
));
671 local
->sparm
.b5
.a_hop_time
[0] = (hop_dwell
>> 8) & 0xff;
672 local
->sparm
.b5
.a_hop_time
[1] = hop_dwell
& 0xff;
673 local
->sparm
.b5
.a_beacon_period
[0] = (beacon_period
>> 8) & 0xff;
674 local
->sparm
.b5
.a_beacon_period
[1] = beacon_period
& 0xff;
676 local
->sparm
.b5
.a_power_mgt_state
= 1;
677 local
->sparm
.b5
.a_curr_country_code
= country
;
678 local
->sparm
.b5
.a_hop_pattern_length
=
679 hop_pattern_length
[(int)country
];
682 local
->sparm
.b4
.a_network_type
= net_type
& 0x01;
683 local
->sparm
.b4
.a_acting_as_ap_status
= TYPE_STA
;
686 strncpy(local
->sparm
.b4
.a_current_ess_id
, essid
, ESSID_SIZE
);
687 } /* init_startup_params */
688 /*===========================================================================*/
689 static void verify_dl_startup(u_long data
)
691 ray_dev_t
*local
= (ray_dev_t
*)data
;
692 struct ccs __iomem
*pccs
= ccs_base(local
) + local
->dl_param_ccs
;
694 struct pcmcia_device
*link
= local
->finder
;
696 if (!(pcmcia_dev_present(link
))) {
697 DEBUG(2,"ray_cs verify_dl_startup - device not present\n");
703 printk(KERN_DEBUG
"verify_dl_startup parameters sent via ccs %d:\n",
704 local
->dl_param_ccs
);
705 for (i
=0; i
<sizeof(struct b5_startup_params
); i
++) {
706 printk(" %2x", (unsigned int) readb(local
->sram
+ HOST_TO_ECF_BASE
+ i
));
712 status
= readb(&pccs
->buffer_status
);
713 if (status
!= CCS_BUFFER_FREE
)
715 printk(KERN_INFO
"Download startup params failed. Status = %d\n",
717 local
->card_status
= CARD_DL_PARAM_ERROR
;
720 if (local
->sparm
.b4
.a_network_type
== ADHOC
)
721 start_net((u_long
)local
);
723 join_net((u_long
)local
);
726 } /* end verify_dl_startup */
727 /*===========================================================================*/
728 /* Command card to start a network */
729 static void start_net(u_long data
)
731 ray_dev_t
*local
= (ray_dev_t
*)data
;
732 struct ccs __iomem
*pccs
;
734 struct pcmcia_device
*link
= local
->finder
;
735 if (!(pcmcia_dev_present(link
))) {
736 DEBUG(2,"ray_cs start_net - device not present\n");
739 /* Fill in the CCS fields for the ECF */
740 if ((ccsindex
= get_free_ccs(local
)) < 0) return;
741 pccs
= ccs_base(local
) + ccsindex
;
742 writeb(CCS_START_NETWORK
, &pccs
->cmd
);
743 writeb(0, &pccs
->var
.start_network
.update_param
);
744 /* Interrupt the firmware to process the command */
745 if (interrupt_ecf(local
, ccsindex
)) {
746 DEBUG(1,"ray start net failed - card not ready for intr\n");
747 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
750 local
->card_status
= CARD_DOING_ACQ
;
752 } /* end start_net */
753 /*===========================================================================*/
754 /* Command card to join a network */
755 static void join_net(u_long data
)
757 ray_dev_t
*local
= (ray_dev_t
*)data
;
759 struct ccs __iomem
*pccs
;
761 struct pcmcia_device
*link
= local
->finder
;
763 if (!(pcmcia_dev_present(link
))) {
764 DEBUG(2,"ray_cs join_net - device not present\n");
767 /* Fill in the CCS fields for the ECF */
768 if ((ccsindex
= get_free_ccs(local
)) < 0) return;
769 pccs
= ccs_base(local
) + ccsindex
;
770 writeb(CCS_JOIN_NETWORK
, &pccs
->cmd
);
771 writeb(0, &pccs
->var
.join_network
.update_param
);
772 writeb(0, &pccs
->var
.join_network
.net_initiated
);
773 /* Interrupt the firmware to process the command */
774 if (interrupt_ecf(local
, ccsindex
)) {
775 DEBUG(1,"ray join net failed - card not ready for intr\n");
776 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
779 local
->card_status
= CARD_DOING_ACQ
;
782 /*============================================================================
783 After a card is removed, ray_release() will unregister the net
784 device, and release the PCMCIA configuration. If the device is
785 still open, this will be postponed until it is closed.
786 =============================================================================*/
787 static void ray_release(struct pcmcia_device
*link
)
789 struct net_device
*dev
= link
->priv
;
790 ray_dev_t
*local
= dev
->priv
;
793 DEBUG(1, "ray_release(0x%p)\n", link
);
795 del_timer(&local
->timer
);
797 iounmap(local
->sram
);
798 iounmap(local
->rmem
);
799 iounmap(local
->amem
);
800 /* Do bother checking to see if these succeed or not */
801 i
= pcmcia_release_window(local
->amem_handle
);
802 if ( i
!= CS_SUCCESS
) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i
);
803 i
= pcmcia_release_window(local
->rmem_handle
);
804 if ( i
!= CS_SUCCESS
) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i
);
805 pcmcia_disable_device(link
);
807 DEBUG(2,"ray_release ending\n");
810 static int ray_suspend(struct pcmcia_device
*link
)
812 struct net_device
*dev
= link
->priv
;
815 netif_device_detach(dev
);
820 static int ray_resume(struct pcmcia_device
*link
)
822 struct net_device
*dev
= link
->priv
;
826 netif_device_attach(dev
);
832 /*===========================================================================*/
833 int ray_dev_init(struct net_device
*dev
)
835 #ifdef RAY_IMMEDIATE_INIT
837 #endif /* RAY_IMMEDIATE_INIT */
838 ray_dev_t
*local
= dev
->priv
;
839 struct pcmcia_device
*link
= local
->finder
;
841 DEBUG(1,"ray_dev_init(dev=%p)\n",dev
);
842 if (!(pcmcia_dev_present(link
))) {
843 DEBUG(2,"ray_dev_init - device not present\n");
846 #ifdef RAY_IMMEDIATE_INIT
847 /* Download startup parameters */
848 if ( (i
= dl_startup_params(dev
)) < 0)
850 printk(KERN_INFO
"ray_dev_init dl_startup_params failed - "
854 #else /* RAY_IMMEDIATE_INIT */
855 /* Postpone the card init so that we can still configure the card,
856 * for example using the Wireless Extensions. The init will happen
857 * in ray_open() - Jean II */
858 DEBUG(1,"ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
860 #endif /* RAY_IMMEDIATE_INIT */
862 /* copy mac and broadcast addresses to linux device */
863 memcpy(&dev
->dev_addr
, &local
->sparm
.b4
.a_mac_addr
, ADDRLEN
);
864 memset(dev
->broadcast
, 0xff, ETH_ALEN
);
866 DEBUG(2,"ray_dev_init ending\n");
869 /*===========================================================================*/
870 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
)
872 ray_dev_t
*local
= dev
->priv
;
873 struct pcmcia_device
*link
= local
->finder
;
874 /* Dummy routine to satisfy device structure */
875 DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev
,map
);
876 if (!(pcmcia_dev_present(link
))) {
877 DEBUG(2,"ray_dev_config - device not present\n");
883 /*===========================================================================*/
884 static int ray_dev_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
886 ray_dev_t
*local
= dev
->priv
;
887 struct pcmcia_device
*link
= local
->finder
;
888 short length
= skb
->len
;
890 if (!(pcmcia_dev_present(link
))) {
891 DEBUG(2,"ray_dev_start_xmit - device not present\n");
894 DEBUG(3,"ray_dev_start_xmit(skb=%p, dev=%p)\n",skb
,dev
);
895 if (local
->authentication_state
== NEED_TO_AUTH
) {
896 DEBUG(0,"ray_cs Sending authentication request.\n");
897 if (!build_auth_frame (local
, local
->auth_id
, OPEN_AUTH_REQUEST
)) {
898 local
->authentication_state
= AUTHENTICATED
;
899 netif_stop_queue(dev
);
904 if (length
< ETH_ZLEN
)
906 if (skb_padto(skb
, ETH_ZLEN
))
910 switch (ray_hw_xmit( skb
->data
, length
, dev
, DATA_TYPE
)) {
913 netif_stop_queue(dev
);
919 dev
->trans_start
= jiffies
;
924 } /* ray_dev_start_xmit */
925 /*===========================================================================*/
926 static int ray_hw_xmit(unsigned char* data
, int len
, struct net_device
* dev
,
929 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
930 struct ccs __iomem
*pccs
;
933 struct tx_msg __iomem
*ptx
; /* Address of xmit buffer in PC space */
934 short int addr
; /* Address of xmit buffer in card space */
936 DEBUG(3,"ray_hw_xmit(data=%p, len=%d, dev=%p)\n",data
,len
,dev
);
937 if (len
+ TX_HEADER_LENGTH
> TX_BUF_SIZE
)
939 printk(KERN_INFO
"ray_hw_xmit packet too large: %d bytes\n",len
);
942 switch (ccsindex
= get_free_tx_ccs(local
)) {
944 DEBUG(2,"ray_hw_xmit tx_ccs table busy\n");
946 DEBUG(2,"ray_hw_xmit No free tx ccs\n");
948 netif_stop_queue(dev
);
953 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
955 if (msg_type
== DATA_TYPE
) {
956 local
->stats
.tx_bytes
+= len
;
957 local
->stats
.tx_packets
++;
960 ptx
= local
->sram
+ addr
;
962 ray_build_header(local
, ptx
, msg_type
, data
);
964 offset
= translate_frame(local
, ptx
, data
, len
);
966 else { /* Encapsulate frame */
967 /* TBD TIB length will move address of ptx->var */
968 memcpy_toio(&ptx
->var
, data
, len
);
972 /* fill in the CCS */
973 pccs
= ccs_base(local
) + ccsindex
;
974 len
+= TX_HEADER_LENGTH
+ offset
;
975 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
976 writeb(addr
>> 8, &pccs
->var
.tx_request
.tx_data_ptr
[0]);
977 writeb(local
->tib_length
, &pccs
->var
.tx_request
.tx_data_ptr
[1]);
978 writeb(len
>> 8, &pccs
->var
.tx_request
.tx_data_length
[0]);
979 writeb(len
& 0xff, &pccs
->var
.tx_request
.tx_data_length
[1]);
980 /* TBD still need psm_cam? */
981 writeb(PSM_CAM
, &pccs
->var
.tx_request
.pow_sav_mode
);
982 writeb(local
->net_default_tx_rate
, &pccs
->var
.tx_request
.tx_rate
);
983 writeb(0, &pccs
->var
.tx_request
.antenna
);
984 DEBUG(3,"ray_hw_xmit default_tx_rate = 0x%x\n",\
985 local
->net_default_tx_rate
);
987 /* Interrupt the firmware to process the command */
988 if (interrupt_ecf(local
, ccsindex
)) {
989 DEBUG(2,"ray_hw_xmit failed - ECF not ready for intr\n");
990 /* TBD very inefficient to copy packet to buffer, and then not
991 send it, but the alternative is to queue the messages and that
992 won't be done for a while. Maybe set tbusy until a CCS is free?
994 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
998 } /* end ray_hw_xmit */
999 /*===========================================================================*/
1000 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
, unsigned char *data
,
1003 unsigned short int proto
= ((struct ethhdr
*)data
)->h_proto
;
1004 if (ntohs(proto
) >= 1536) { /* DIX II ethernet frame */
1005 DEBUG(3,"ray_cs translate_frame DIX II\n");
1006 /* Copy LLC header to card buffer */
1007 memcpy_toio(&ptx
->var
, eth2_llc
, sizeof(eth2_llc
));
1008 memcpy_toio( ((void __iomem
*)&ptx
->var
) + sizeof(eth2_llc
), (UCHAR
*)&proto
, 2);
1009 if ((proto
== 0xf380) || (proto
== 0x3781)) {
1010 /* This is the selective translation table, only 2 entries */
1011 writeb(0xf8, &((struct snaphdr_t __iomem
*)ptx
->var
)->org
[3]);
1013 /* Copy body of ethernet packet without ethernet header */
1014 memcpy_toio((void __iomem
*)&ptx
->var
+ sizeof(struct snaphdr_t
), \
1015 data
+ ETH_HLEN
, len
- ETH_HLEN
);
1016 return (int) sizeof(struct snaphdr_t
) - ETH_HLEN
;
1018 else { /* already 802 type, and proto is length */
1019 DEBUG(3,"ray_cs translate_frame 802\n");
1020 if (proto
== 0xffff) { /* evil netware IPX 802.3 without LLC */
1021 DEBUG(3,"ray_cs translate_frame evil IPX\n");
1022 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1023 return 0 - ETH_HLEN
;
1025 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1026 return 0 - ETH_HLEN
;
1028 /* TBD do other frame types */
1029 } /* end translate_frame */
1030 /*===========================================================================*/
1031 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
, UCHAR msg_type
,
1032 unsigned char *data
)
1034 writeb(PROTOCOL_VER
| msg_type
, &ptx
->mac
.frame_ctl_1
);
1035 /*** IEEE 802.11 Address field assignments *************
1036 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1037 Adhoc 0 0 dest src (terminal) BSSID N/A
1038 AP to Terminal 0 1 dest AP(BSSID) source N/A
1039 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1040 AP to AP 1 1 dest AP src AP dest source
1041 *******************************************************/
1042 if (local
->net_type
== ADHOC
) {
1043 writeb(0, &ptx
->mac
.frame_ctl_2
);
1044 memcpy_toio(ptx
->mac
.addr_1
, ((struct ethhdr
*)data
)->h_dest
, 2 * ADDRLEN
);
1045 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
1047 else /* infrastructure */
1049 if (local
->sparm
.b4
.a_acting_as_ap_status
)
1051 writeb(FC2_FROM_DS
, &ptx
->mac
.frame_ctl_2
);
1052 memcpy_toio(ptx
->mac
.addr_1
, ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1053 memcpy_toio(ptx
->mac
.addr_2
, local
->bss_id
, 6);
1054 memcpy_toio(ptx
->mac
.addr_3
, ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1058 writeb(FC2_TO_DS
, &ptx
->mac
.frame_ctl_2
);
1059 memcpy_toio(ptx
->mac
.addr_1
, local
->bss_id
, ADDRLEN
);
1060 memcpy_toio(ptx
->mac
.addr_2
, ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1061 memcpy_toio(ptx
->mac
.addr_3
, ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1064 } /* end encapsulate_frame */
1067 /*===========================================================================*/
1069 static void netdev_get_drvinfo(struct net_device
*dev
,
1070 struct ethtool_drvinfo
*info
)
1072 strcpy(info
->driver
, "ray_cs");
1075 static const struct ethtool_ops netdev_ethtool_ops
= {
1076 .get_drvinfo
= netdev_get_drvinfo
,
1079 /*====================================================================*/
1081 /*------------------------------------------------------------------*/
1083 * Wireless Handler : get protocol name
1085 static int ray_get_name(struct net_device
*dev
,
1086 struct iw_request_info
*info
,
1090 strcpy(cwrq
, "IEEE 802.11-FH");
1094 /*------------------------------------------------------------------*/
1096 * Wireless Handler : set frequency
1098 static int ray_set_freq(struct net_device
*dev
,
1099 struct iw_request_info
*info
,
1100 struct iw_freq
*fwrq
,
1103 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1104 int err
= -EINPROGRESS
; /* Call commit handler */
1106 /* Reject if card is already initialised */
1107 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1110 /* Setting by channel number */
1111 if ((fwrq
->m
> USA_HOP_MOD
) || (fwrq
->e
> 0))
1114 local
->sparm
.b5
.a_hop_pattern
= fwrq
->m
;
1119 /*------------------------------------------------------------------*/
1121 * Wireless Handler : get frequency
1123 static int ray_get_freq(struct net_device
*dev
,
1124 struct iw_request_info
*info
,
1125 struct iw_freq
*fwrq
,
1128 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1130 fwrq
->m
= local
->sparm
.b5
.a_hop_pattern
;
1135 /*------------------------------------------------------------------*/
1137 * Wireless Handler : set ESSID
1139 static int ray_set_essid(struct net_device
*dev
,
1140 struct iw_request_info
*info
,
1141 struct iw_point
*dwrq
,
1144 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1146 /* Reject if card is already initialised */
1147 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1150 /* Check if we asked for `any' */
1151 if(dwrq
->flags
== 0) {
1152 /* Corey : can you do that ? */
1155 /* Check the size of the string */
1156 if(dwrq
->length
> IW_ESSID_MAX_SIZE
) {
1160 /* Set the ESSID in the card */
1161 memset(local
->sparm
.b5
.a_current_ess_id
, 0, IW_ESSID_MAX_SIZE
);
1162 memcpy(local
->sparm
.b5
.a_current_ess_id
, extra
, dwrq
->length
);
1165 return -EINPROGRESS
; /* Call commit handler */
1168 /*------------------------------------------------------------------*/
1170 * Wireless Handler : get ESSID
1172 static int ray_get_essid(struct net_device
*dev
,
1173 struct iw_request_info
*info
,
1174 struct iw_point
*dwrq
,
1177 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1179 /* Get the essid that was set */
1180 memcpy(extra
, local
->sparm
.b5
.a_current_ess_id
, IW_ESSID_MAX_SIZE
);
1183 dwrq
->length
= strlen(extra
);
1184 dwrq
->flags
= 1; /* active */
1189 /*------------------------------------------------------------------*/
1191 * Wireless Handler : get AP address
1193 static int ray_get_wap(struct net_device
*dev
,
1194 struct iw_request_info
*info
,
1195 struct sockaddr
*awrq
,
1198 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1200 memcpy(awrq
->sa_data
, local
->bss_id
, ETH_ALEN
);
1201 awrq
->sa_family
= ARPHRD_ETHER
;
1206 /*------------------------------------------------------------------*/
1208 * Wireless Handler : set Bit-Rate
1210 static int ray_set_rate(struct net_device
*dev
,
1211 struct iw_request_info
*info
,
1212 struct iw_param
*vwrq
,
1215 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1217 /* Reject if card is already initialised */
1218 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1221 /* Check if rate is in range */
1222 if((vwrq
->value
!= 1000000) && (vwrq
->value
!= 2000000))
1225 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1226 if((local
->fw_ver
== 0x55) && /* Please check */
1227 (vwrq
->value
== 2000000))
1228 local
->net_default_tx_rate
= 3;
1230 local
->net_default_tx_rate
= vwrq
->value
/500000;
1235 /*------------------------------------------------------------------*/
1237 * Wireless Handler : get Bit-Rate
1239 static int ray_get_rate(struct net_device
*dev
,
1240 struct iw_request_info
*info
,
1241 struct iw_param
*vwrq
,
1244 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1246 if(local
->net_default_tx_rate
== 3)
1247 vwrq
->value
= 2000000; /* Hum... */
1249 vwrq
->value
= local
->net_default_tx_rate
* 500000;
1250 vwrq
->fixed
= 0; /* We are in auto mode */
1255 /*------------------------------------------------------------------*/
1257 * Wireless Handler : set RTS threshold
1259 static int ray_set_rts(struct net_device
*dev
,
1260 struct iw_request_info
*info
,
1261 struct iw_param
*vwrq
,
1264 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1265 int rthr
= vwrq
->value
;
1267 /* Reject if card is already initialised */
1268 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1271 /* if(wrq->u.rts.fixed == 0) we should complain */
1275 if((rthr
< 0) || (rthr
> 2347)) /* What's the max packet size ??? */
1278 local
->sparm
.b5
.a_rts_threshold
[0] = (rthr
>> 8) & 0xFF;
1279 local
->sparm
.b5
.a_rts_threshold
[1] = rthr
& 0xFF;
1281 return -EINPROGRESS
; /* Call commit handler */
1285 /*------------------------------------------------------------------*/
1287 * Wireless Handler : get RTS threshold
1289 static int ray_get_rts(struct net_device
*dev
,
1290 struct iw_request_info
*info
,
1291 struct iw_param
*vwrq
,
1294 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1296 vwrq
->value
= (local
->sparm
.b5
.a_rts_threshold
[0] << 8)
1297 + local
->sparm
.b5
.a_rts_threshold
[1];
1298 vwrq
->disabled
= (vwrq
->value
== 32767);
1304 /*------------------------------------------------------------------*/
1306 * Wireless Handler : set Fragmentation threshold
1308 static int ray_set_frag(struct net_device
*dev
,
1309 struct iw_request_info
*info
,
1310 struct iw_param
*vwrq
,
1313 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1314 int fthr
= vwrq
->value
;
1316 /* Reject if card is already initialised */
1317 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1320 /* if(wrq->u.frag.fixed == 0) should complain */
1324 if((fthr
< 256) || (fthr
> 2347)) /* To check out ! */
1327 local
->sparm
.b5
.a_frag_threshold
[0] = (fthr
>> 8) & 0xFF;
1328 local
->sparm
.b5
.a_frag_threshold
[1] = fthr
& 0xFF;
1330 return -EINPROGRESS
; /* Call commit handler */
1333 /*------------------------------------------------------------------*/
1335 * Wireless Handler : get Fragmentation threshold
1337 static int ray_get_frag(struct net_device
*dev
,
1338 struct iw_request_info
*info
,
1339 struct iw_param
*vwrq
,
1342 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1344 vwrq
->value
= (local
->sparm
.b5
.a_frag_threshold
[0] << 8)
1345 + local
->sparm
.b5
.a_frag_threshold
[1];
1346 vwrq
->disabled
= (vwrq
->value
== 32767);
1352 /*------------------------------------------------------------------*/
1354 * Wireless Handler : set Mode of Operation
1356 static int ray_set_mode(struct net_device
*dev
,
1357 struct iw_request_info
*info
,
1361 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1362 int err
= -EINPROGRESS
; /* Call commit handler */
1365 /* Reject if card is already initialised */
1366 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1375 local
->sparm
.b5
.a_network_type
= card_mode
;
1384 /*------------------------------------------------------------------*/
1386 * Wireless Handler : get Mode of Operation
1388 static int ray_get_mode(struct net_device
*dev
,
1389 struct iw_request_info
*info
,
1393 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1395 if(local
->sparm
.b5
.a_network_type
)
1396 *uwrq
= IW_MODE_INFRA
;
1398 *uwrq
= IW_MODE_ADHOC
;
1403 /*------------------------------------------------------------------*/
1405 * Wireless Handler : get range info
1407 static int ray_get_range(struct net_device
*dev
,
1408 struct iw_request_info
*info
,
1409 struct iw_point
*dwrq
,
1412 struct iw_range
*range
= (struct iw_range
*) extra
;
1414 memset((char *) range
, 0, sizeof(struct iw_range
));
1416 /* Set the length (very important for backward compatibility) */
1417 dwrq
->length
= sizeof(struct iw_range
);
1419 /* Set the Wireless Extension versions */
1420 range
->we_version_compiled
= WIRELESS_EXT
;
1421 range
->we_version_source
= 9;
1423 /* Set information in the range struct */
1424 range
->throughput
= 1.1 * 1000 * 1000; /* Put the right number here */
1425 range
->num_channels
= hop_pattern_length
[(int)country
];
1426 range
->num_frequency
= 0;
1427 range
->max_qual
.qual
= 0;
1428 range
->max_qual
.level
= 255; /* What's the correct value ? */
1429 range
->max_qual
.noise
= 255; /* Idem */
1430 range
->num_bitrates
= 2;
1431 range
->bitrate
[0] = 1000000; /* 1 Mb/s */
1432 range
->bitrate
[1] = 2000000; /* 2 Mb/s */
1436 /*------------------------------------------------------------------*/
1438 * Wireless Private Handler : set framing mode
1440 static int ray_set_framing(struct net_device
*dev
,
1441 struct iw_request_info
*info
,
1442 union iwreq_data
*wrqu
,
1445 translate
= *(extra
); /* Set framing mode */
1450 /*------------------------------------------------------------------*/
1452 * Wireless Private Handler : get framing mode
1454 static int ray_get_framing(struct net_device
*dev
,
1455 struct iw_request_info
*info
,
1456 union iwreq_data
*wrqu
,
1459 *(extra
) = translate
;
1464 /*------------------------------------------------------------------*/
1466 * Wireless Private Handler : get country
1468 static int ray_get_country(struct net_device
*dev
,
1469 struct iw_request_info
*info
,
1470 union iwreq_data
*wrqu
,
1478 /*------------------------------------------------------------------*/
1480 * Commit handler : called after a bunch of SET operations
1482 static int ray_commit(struct net_device
*dev
,
1483 struct iw_request_info
*info
, /* NULL */
1484 void *zwrq
, /* NULL */
1485 char *extra
) /* NULL */
1490 /*------------------------------------------------------------------*/
1492 * Stats handler : return Wireless Stats
1494 static iw_stats
* ray_get_wireless_stats(struct net_device
* dev
)
1496 ray_dev_t
* local
= (ray_dev_t
*) dev
->priv
;
1497 struct pcmcia_device
*link
= local
->finder
;
1498 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1500 if(local
== (ray_dev_t
*) NULL
)
1501 return (iw_stats
*) NULL
;
1503 local
->wstats
.status
= local
->card_status
;
1505 if((local
->spy_data
.spy_number
> 0) && (local
->sparm
.b5
.a_network_type
== 0))
1507 /* Get it from the first node in spy list */
1508 local
->wstats
.qual
.qual
= local
->spy_data
.spy_stat
[0].qual
;
1509 local
->wstats
.qual
.level
= local
->spy_data
.spy_stat
[0].level
;
1510 local
->wstats
.qual
.noise
= local
->spy_data
.spy_stat
[0].noise
;
1511 local
->wstats
.qual
.updated
= local
->spy_data
.spy_stat
[0].updated
;
1513 #endif /* WIRELESS_SPY */
1515 if(pcmcia_dev_present(link
)) {
1516 local
->wstats
.qual
.noise
= readb(&p
->rxnoise
);
1517 local
->wstats
.qual
.updated
|= 4;
1520 return &local
->wstats
;
1521 } /* end ray_get_wireless_stats */
1523 /*------------------------------------------------------------------*/
1525 * Structures to export the Wireless Handlers
1528 static const iw_handler ray_handler
[] = {
1529 [SIOCSIWCOMMIT
-SIOCIWFIRST
] = (iw_handler
) ray_commit
,
1530 [SIOCGIWNAME
-SIOCIWFIRST
] = (iw_handler
) ray_get_name
,
1531 [SIOCSIWFREQ
-SIOCIWFIRST
] = (iw_handler
) ray_set_freq
,
1532 [SIOCGIWFREQ
-SIOCIWFIRST
] = (iw_handler
) ray_get_freq
,
1533 [SIOCSIWMODE
-SIOCIWFIRST
] = (iw_handler
) ray_set_mode
,
1534 [SIOCGIWMODE
-SIOCIWFIRST
] = (iw_handler
) ray_get_mode
,
1535 [SIOCGIWRANGE
-SIOCIWFIRST
] = (iw_handler
) ray_get_range
,
1537 [SIOCSIWSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_set_spy
,
1538 [SIOCGIWSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_get_spy
,
1539 [SIOCSIWTHRSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_set_thrspy
,
1540 [SIOCGIWTHRSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_get_thrspy
,
1541 #endif /* WIRELESS_SPY */
1542 [SIOCGIWAP
-SIOCIWFIRST
] = (iw_handler
) ray_get_wap
,
1543 [SIOCSIWESSID
-SIOCIWFIRST
] = (iw_handler
) ray_set_essid
,
1544 [SIOCGIWESSID
-SIOCIWFIRST
] = (iw_handler
) ray_get_essid
,
1545 [SIOCSIWRATE
-SIOCIWFIRST
] = (iw_handler
) ray_set_rate
,
1546 [SIOCGIWRATE
-SIOCIWFIRST
] = (iw_handler
) ray_get_rate
,
1547 [SIOCSIWRTS
-SIOCIWFIRST
] = (iw_handler
) ray_set_rts
,
1548 [SIOCGIWRTS
-SIOCIWFIRST
] = (iw_handler
) ray_get_rts
,
1549 [SIOCSIWFRAG
-SIOCIWFIRST
] = (iw_handler
) ray_set_frag
,
1550 [SIOCGIWFRAG
-SIOCIWFIRST
] = (iw_handler
) ray_get_frag
,
1553 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1554 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1555 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1557 static const iw_handler ray_private_handler
[] = {
1558 [0] = (iw_handler
) ray_set_framing
,
1559 [1] = (iw_handler
) ray_get_framing
,
1560 [3] = (iw_handler
) ray_get_country
,
1563 static const struct iw_priv_args ray_private_args
[] = {
1564 /* cmd, set_args, get_args, name */
1565 { SIOCSIPFRAMING
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, 0, "set_framing" },
1566 { SIOCGIPFRAMING
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, "get_framing" },
1567 { SIOCGIPCOUNTRY
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, "get_country" },
1570 static const struct iw_handler_def ray_handler_def
=
1572 .num_standard
= sizeof(ray_handler
)/sizeof(iw_handler
),
1573 .num_private
= sizeof(ray_private_handler
)/sizeof(iw_handler
),
1574 .num_private_args
= sizeof(ray_private_args
)/sizeof(struct iw_priv_args
),
1575 .standard
= ray_handler
,
1576 .private = ray_private_handler
,
1577 .private_args
= ray_private_args
,
1578 .get_wireless_stats
= ray_get_wireless_stats
,
1581 /*===========================================================================*/
1582 static int ray_open(struct net_device
*dev
)
1584 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1585 struct pcmcia_device
*link
;
1586 link
= local
->finder
;
1588 DEBUG(1, "ray_open('%s')\n", dev
->name
);
1590 if (link
->open
== 0)
1591 local
->num_multi
= 0;
1594 /* If the card is not started, time to start it ! - Jean II */
1595 if(local
->card_status
== CARD_AWAITING_PARAM
) {
1598 DEBUG(1,"ray_open: doing init now !\n");
1600 /* Download startup parameters */
1601 if ( (i
= dl_startup_params(dev
)) < 0)
1603 printk(KERN_INFO
"ray_dev_init dl_startup_params failed - "
1604 "returns 0x%x\n",i
);
1609 if (sniffer
) netif_stop_queue(dev
);
1610 else netif_start_queue(dev
);
1612 DEBUG(2,"ray_open ending\n");
1614 } /* end ray_open */
1615 /*===========================================================================*/
1616 static int ray_dev_close(struct net_device
*dev
)
1618 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1619 struct pcmcia_device
*link
;
1620 link
= local
->finder
;
1622 DEBUG(1, "ray_dev_close('%s')\n", dev
->name
);
1625 netif_stop_queue(dev
);
1627 /* In here, we should stop the hardware (stop card from beeing active)
1628 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1629 * card is closed we can chage its configuration.
1630 * Probably also need a COR reset to get sane state - Jean II */
1633 } /* end ray_dev_close */
1634 /*===========================================================================*/
1635 static void ray_reset(struct net_device
*dev
) {
1636 DEBUG(1,"ray_reset entered\n");
1639 /*===========================================================================*/
1640 /* Cause a firmware interrupt if it is ready for one */
1641 /* Return nonzero if not ready */
1642 static int interrupt_ecf(ray_dev_t
*local
, int ccs
)
1645 struct pcmcia_device
*link
= local
->finder
;
1647 if (!(pcmcia_dev_present(link
))) {
1648 DEBUG(2,"ray_cs interrupt_ecf - device not present\n");
1651 DEBUG(2,"interrupt_ecf(local=%p, ccs = 0x%x\n",local
,ccs
);
1654 (readb(local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
) & ECF_INTR_SET
))
1657 DEBUG(2,"ray_cs interrupt_ecf card not ready for interrupt\n");
1660 /* Fill the mailbox, then kick the card */
1661 writeb(ccs
, local
->sram
+ SCB_BASE
);
1662 writeb(ECF_INTR_SET
, local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
);
1664 } /* interrupt_ecf */
1665 /*===========================================================================*/
1666 /* Get next free transmit CCS */
1667 /* Return - index of current tx ccs */
1668 static int get_free_tx_ccs(ray_dev_t
*local
)
1671 struct ccs __iomem
*pccs
= ccs_base(local
);
1672 struct pcmcia_device
*link
= local
->finder
;
1674 if (!(pcmcia_dev_present(link
))) {
1675 DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n");
1679 if (test_and_set_bit(0,&local
->tx_ccs_lock
)) {
1680 DEBUG(1,"ray_cs tx_ccs_lock busy\n");
1684 for (i
=0; i
< NUMBER_OF_TX_CCS
; i
++) {
1685 if (readb(&(pccs
+i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1686 writeb(CCS_BUFFER_BUSY
, &(pccs
+i
)->buffer_status
);
1687 writeb(CCS_END_LIST
, &(pccs
+i
)->link
);
1688 local
->tx_ccs_lock
= 0;
1692 local
->tx_ccs_lock
= 0;
1693 DEBUG(2,"ray_cs ERROR no free tx CCS for raylink card\n");
1695 } /* get_free_tx_ccs */
1696 /*===========================================================================*/
1697 /* Get next free CCS */
1698 /* Return - index of current ccs */
1699 static int get_free_ccs(ray_dev_t
*local
)
1702 struct ccs __iomem
*pccs
= ccs_base(local
);
1703 struct pcmcia_device
*link
= local
->finder
;
1705 if (!(pcmcia_dev_present(link
))) {
1706 DEBUG(2,"ray_cs get_free_ccs - device not present\n");
1709 if (test_and_set_bit(0,&local
->ccs_lock
)) {
1710 DEBUG(1,"ray_cs ccs_lock busy\n");
1714 for (i
= NUMBER_OF_TX_CCS
; i
< NUMBER_OF_CCS
; i
++) {
1715 if (readb(&(pccs
+i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1716 writeb(CCS_BUFFER_BUSY
, &(pccs
+i
)->buffer_status
);
1717 writeb(CCS_END_LIST
, &(pccs
+i
)->link
);
1718 local
->ccs_lock
= 0;
1722 local
->ccs_lock
= 0;
1723 DEBUG(1,"ray_cs ERROR no free CCS for raylink card\n");
1725 } /* get_free_ccs */
1726 /*===========================================================================*/
1727 static void authenticate_timeout(u_long data
)
1729 ray_dev_t
*local
= (ray_dev_t
*)data
;
1730 del_timer(&local
->timer
);
1731 printk(KERN_INFO
"ray_cs Authentication with access point failed"
1733 join_net((u_long
)local
);
1735 /*===========================================================================*/
1736 static int asc_to_int(char a
)
1738 if (a
< '0') return -1;
1739 if (a
<= '9') return (a
- '0');
1740 if (a
< 'A') return -1;
1741 if (a
<= 'F') return (10 + a
- 'A');
1742 if (a
< 'a') return -1;
1743 if (a
<= 'f') return (10 + a
- 'a');
1746 /*===========================================================================*/
1747 static int parse_addr(char *in_str
, UCHAR
*out
)
1753 if (in_str
== NULL
) return 0;
1754 if ((len
= strlen(in_str
)) < 2) return 0;
1755 memset(out
, 0, ADDRLEN
);
1764 if ((k
= asc_to_int(in_str
[j
--])) != -1) out
[i
] = k
;
1768 if ((k
= asc_to_int(in_str
[j
--])) != -1) out
[i
] += k
<< 4;
1774 /*===========================================================================*/
1775 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
)
1777 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1778 struct pcmcia_device
*link
= local
->finder
;
1779 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1780 if (!(pcmcia_dev_present(link
))) {
1781 DEBUG(2,"ray_cs net_device_stats - device not present\n");
1782 return &local
->stats
;
1784 if (readb(&p
->mrx_overflow_for_host
))
1786 local
->stats
.rx_over_errors
+= ntohs(readb(&p
->mrx_overflow
));
1787 writeb(0,&p
->mrx_overflow
);
1788 writeb(0,&p
->mrx_overflow_for_host
);
1790 if (readb(&p
->mrx_checksum_error_for_host
))
1792 local
->stats
.rx_crc_errors
+= ntohs(readb(&p
->mrx_checksum_error
));
1793 writeb(0,&p
->mrx_checksum_error
);
1794 writeb(0,&p
->mrx_checksum_error_for_host
);
1796 if (readb(&p
->rx_hec_error_for_host
))
1798 local
->stats
.rx_frame_errors
+= ntohs(readb(&p
->rx_hec_error
));
1799 writeb(0,&p
->rx_hec_error
);
1800 writeb(0,&p
->rx_hec_error_for_host
);
1802 return &local
->stats
;
1804 /*===========================================================================*/
1805 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
, int len
)
1807 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1808 struct pcmcia_device
*link
= local
->finder
;
1811 struct ccs __iomem
*pccs
;
1813 if (!(pcmcia_dev_present(link
))) {
1814 DEBUG(2,"ray_update_parm - device not present\n");
1818 if ((ccsindex
= get_free_ccs(local
)) < 0)
1820 DEBUG(0,"ray_update_parm - No free ccs\n");
1823 pccs
= ccs_base(local
) + ccsindex
;
1824 writeb(CCS_UPDATE_PARAMS
, &pccs
->cmd
);
1825 writeb(objid
, &pccs
->var
.update_param
.object_id
);
1826 writeb(1, &pccs
->var
.update_param
.number_objects
);
1827 writeb(0, &pccs
->var
.update_param
.failure_cause
);
1828 for (i
=0; i
<len
; i
++) {
1829 writeb(value
[i
], local
->sram
+ HOST_TO_ECF_BASE
);
1831 /* Interrupt the firmware to process the command */
1832 if (interrupt_ecf(local
, ccsindex
)) {
1833 DEBUG(0,"ray_cs associate failed - ECF not ready for intr\n");
1834 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1837 /*===========================================================================*/
1838 static void ray_update_multi_list(struct net_device
*dev
, int all
)
1840 struct dev_mc_list
*dmi
, **dmip
;
1842 struct ccs __iomem
*pccs
;
1844 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1845 struct pcmcia_device
*link
= local
->finder
;
1846 void __iomem
*p
= local
->sram
+ HOST_TO_ECF_BASE
;
1848 if (!(pcmcia_dev_present(link
))) {
1849 DEBUG(2,"ray_update_multi_list - device not present\n");
1853 DEBUG(2,"ray_update_multi_list(%p)\n",dev
);
1854 if ((ccsindex
= get_free_ccs(local
)) < 0)
1856 DEBUG(1,"ray_update_multi - No free ccs\n");
1859 pccs
= ccs_base(local
) + ccsindex
;
1860 writeb(CCS_UPDATE_MULTICAST_LIST
, &pccs
->cmd
);
1863 writeb(0xff, &pccs
->var
);
1864 local
->num_multi
= 0xff;
1867 /* Copy the kernel's list of MC addresses to card */
1868 for (dmip
=&dev
->mc_list
; (dmi
=*dmip
)!=NULL
; dmip
=&dmi
->next
) {
1869 memcpy_toio(p
, dmi
->dmi_addr
, ETH_ALEN
);
1870 DEBUG(1,"ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",dmi
->dmi_addr
[0],dmi
->dmi_addr
[1],dmi
->dmi_addr
[2],dmi
->dmi_addr
[3],dmi
->dmi_addr
[4],dmi
->dmi_addr
[5]);
1874 if (i
> 256/ADDRLEN
) i
= 256/ADDRLEN
;
1875 writeb((UCHAR
)i
, &pccs
->var
);
1876 DEBUG(1,"ray_cs update_multi %d addresses in list\n", i
);
1877 /* Interrupt the firmware to process the command */
1878 local
->num_multi
= i
;
1880 if (interrupt_ecf(local
, ccsindex
)) {
1881 DEBUG(1,"ray_cs update_multi failed - ECF not ready for intr\n");
1882 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1884 } /* end ray_update_multi_list */
1885 /*===========================================================================*/
1886 static void set_multicast_list(struct net_device
*dev
)
1888 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1891 DEBUG(2,"ray_cs set_multicast_list(%p)\n",dev
);
1893 if (dev
->flags
& IFF_PROMISC
)
1895 if (local
->sparm
.b5
.a_promiscuous_mode
== 0) {
1896 DEBUG(1,"ray_cs set_multicast_list promisc on\n");
1897 local
->sparm
.b5
.a_promiscuous_mode
= 1;
1899 ray_update_parm(dev
, OBJID_promiscuous_mode
, \
1900 &promisc
, sizeof(promisc
));
1904 if (local
->sparm
.b5
.a_promiscuous_mode
== 1) {
1905 DEBUG(1,"ray_cs set_multicast_list promisc off\n");
1906 local
->sparm
.b5
.a_promiscuous_mode
= 0;
1908 ray_update_parm(dev
, OBJID_promiscuous_mode
, \
1909 &promisc
, sizeof(promisc
));
1913 if (dev
->flags
& IFF_ALLMULTI
) ray_update_multi_list(dev
, 1);
1916 if (local
->num_multi
!= dev
->mc_count
) ray_update_multi_list(dev
, 0);
1918 } /* end set_multicast_list */
1919 /*=============================================================================
1920 * All routines below here are run at interrupt time.
1921 =============================================================================*/
1922 static irqreturn_t
ray_interrupt(int irq
, void *dev_id
)
1924 struct net_device
*dev
= (struct net_device
*)dev_id
;
1925 struct pcmcia_device
*link
;
1927 struct ccs __iomem
*pccs
;
1928 struct rcs __iomem
*prcs
;
1934 if (dev
== NULL
) /* Note that we want interrupts with dev->start == 0 */
1937 DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev
);
1939 local
= (ray_dev_t
*)dev
->priv
;
1940 link
= (struct pcmcia_device
*)local
->finder
;
1941 if (!pcmcia_dev_present(link
)) {
1942 DEBUG(2,"ray_cs interrupt from device not present or suspended.\n");
1945 rcsindex
= readb(&((struct scb __iomem
*)(local
->sram
))->rcs_index
);
1947 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
))
1949 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex
);
1950 clear_interrupt(local
);
1953 if (rcsindex
< NUMBER_OF_CCS
) /* If it's a returned CCS */
1955 pccs
= ccs_base(local
) + rcsindex
;
1956 cmd
= readb(&pccs
->cmd
);
1957 status
= readb(&pccs
->buffer_status
);
1960 case CCS_DOWNLOAD_STARTUP_PARAMS
: /* Happens in firmware someday */
1961 del_timer(&local
->timer
);
1962 if (status
== CCS_COMMAND_COMPLETE
) {
1963 DEBUG(1,"ray_cs interrupt download_startup_parameters OK\n");
1966 DEBUG(1,"ray_cs interrupt download_startup_parameters fail\n");
1969 case CCS_UPDATE_PARAMS
:
1970 DEBUG(1,"ray_cs interrupt update params done\n");
1971 if (status
!= CCS_COMMAND_COMPLETE
) {
1972 tmp
= readb(&pccs
->var
.update_param
.failure_cause
);
1973 DEBUG(0,"ray_cs interrupt update params failed - reason %d\n",tmp
);
1976 case CCS_REPORT_PARAMS
:
1977 DEBUG(1,"ray_cs interrupt report params done\n");
1979 case CCS_UPDATE_MULTICAST_LIST
: /* Note that this CCS isn't returned */
1980 DEBUG(1,"ray_cs interrupt CCS Update Multicast List done\n");
1982 case CCS_UPDATE_POWER_SAVINGS_MODE
:
1983 DEBUG(1,"ray_cs interrupt update power save mode done\n");
1985 case CCS_START_NETWORK
:
1986 case CCS_JOIN_NETWORK
:
1987 if (status
== CCS_COMMAND_COMPLETE
) {
1988 if (readb(&pccs
->var
.start_network
.net_initiated
) == 1) {
1989 DEBUG(0,"ray_cs interrupt network \"%s\" started\n",\
1990 local
->sparm
.b4
.a_current_ess_id
);
1993 DEBUG(0,"ray_cs interrupt network \"%s\" joined\n",\
1994 local
->sparm
.b4
.a_current_ess_id
);
1996 memcpy_fromio(&local
->bss_id
,pccs
->var
.start_network
.bssid
,ADDRLEN
);
1998 if (local
->fw_ver
== 0x55) local
->net_default_tx_rate
= 3;
1999 else local
->net_default_tx_rate
=
2000 readb(&pccs
->var
.start_network
.net_default_tx_rate
);
2001 local
->encryption
= readb(&pccs
->var
.start_network
.encryption
);
2002 if (!sniffer
&& (local
->net_type
== INFRA
)
2003 && !(local
->sparm
.b4
.a_acting_as_ap_status
)) {
2004 authenticate(local
);
2006 local
->card_status
= CARD_ACQ_COMPLETE
;
2009 local
->card_status
= CARD_ACQ_FAILED
;
2011 del_timer(&local
->timer
);
2012 local
->timer
.expires
= jiffies
+ HZ
*5;
2013 local
->timer
.data
= (long)local
;
2014 if (status
== CCS_START_NETWORK
) {
2015 DEBUG(0,"ray_cs interrupt network \"%s\" start failed\n",\
2016 local
->sparm
.b4
.a_current_ess_id
);
2017 local
->timer
.function
= &start_net
;
2020 DEBUG(0,"ray_cs interrupt network \"%s\" join failed\n",\
2021 local
->sparm
.b4
.a_current_ess_id
);
2022 local
->timer
.function
= &join_net
;
2024 add_timer(&local
->timer
);
2027 case CCS_START_ASSOCIATION
:
2028 if (status
== CCS_COMMAND_COMPLETE
) {
2029 local
->card_status
= CARD_ASSOC_COMPLETE
;
2030 DEBUG(0,"ray_cs association successful\n");
2034 DEBUG(0,"ray_cs association failed,\n");
2035 local
->card_status
= CARD_ASSOC_FAILED
;
2036 join_net((u_long
)local
);
2039 case CCS_TX_REQUEST
:
2040 if (status
== CCS_COMMAND_COMPLETE
) {
2041 DEBUG(3,"ray_cs interrupt tx request complete\n");
2044 DEBUG(1,"ray_cs interrupt tx request failed\n");
2046 if (!sniffer
) netif_start_queue(dev
);
2047 netif_wake_queue(dev
);
2049 case CCS_TEST_MEMORY
:
2050 DEBUG(1,"ray_cs interrupt mem test done\n");
2053 DEBUG(1,"ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2055 case CCS_DUMP_MEMORY
:
2056 DEBUG(1,"ray_cs interrupt dump memory done\n");
2058 case CCS_START_TIMER
:
2059 DEBUG(2,"ray_cs interrupt DING - raylink timer expired\n");
2062 DEBUG(1,"ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",\
2065 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
2067 else /* It's an RCS */
2069 prcs
= rcs_base(local
) + rcsindex
;
2071 switch (readb(&prcs
->interrupt_id
))
2073 case PROCESS_RX_PACKET
:
2074 ray_rx(dev
, local
, prcs
);
2076 case REJOIN_NET_COMPLETE
:
2077 DEBUG(1,"ray_cs interrupt rejoin net complete\n");
2078 local
->card_status
= CARD_ACQ_COMPLETE
;
2079 /* do we need to clear tx buffers CCS's? */
2080 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2081 if (!sniffer
) netif_start_queue(dev
);
2084 memcpy_fromio(&local
->bss_id
, prcs
->var
.rejoin_net_complete
.bssid
, ADDRLEN
);
2085 DEBUG(1,"ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",\
2086 local
->bss_id
[0], local
->bss_id
[1], local
->bss_id
[2],\
2087 local
->bss_id
[3], local
->bss_id
[4], local
->bss_id
[5]);
2088 if (!sniffer
) authenticate(local
);
2091 case ROAMING_INITIATED
:
2092 DEBUG(1,"ray_cs interrupt roaming initiated\n");
2093 netif_stop_queue(dev
);
2094 local
->card_status
= CARD_DOING_ACQ
;
2096 case JAPAN_CALL_SIGN_RXD
:
2097 DEBUG(1,"ray_cs interrupt japan call sign rx\n");
2100 DEBUG(1,"ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",\
2101 rcsindex
, (unsigned int) readb(&prcs
->interrupt_id
));
2104 writeb(CCS_BUFFER_FREE
, &prcs
->buffer_status
);
2106 clear_interrupt(local
);
2108 } /* ray_interrupt */
2109 /*===========================================================================*/
2110 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
, struct rcs __iomem
*prcs
)
2113 unsigned int pkt_addr
;
2115 DEBUG(4,"ray_rx process rx packet\n");
2117 /* Calculate address of packet within Rx buffer */
2118 pkt_addr
= ((readb(&prcs
->var
.rx_packet
.rx_data_ptr
[0]) << 8)
2119 + readb(&prcs
->var
.rx_packet
.rx_data_ptr
[1])) & RX_BUFF_END
;
2120 /* Length of first packet fragment */
2121 rx_len
= (readb(&prcs
->var
.rx_packet
.rx_data_length
[0]) << 8)
2122 + readb(&prcs
->var
.rx_packet
.rx_data_length
[1]);
2124 local
->last_rsl
= readb(&prcs
->var
.rx_packet
.rx_sig_lev
);
2125 pmsg
= local
->rmem
+ pkt_addr
;
2129 DEBUG(4,"ray_rx data type\n");
2130 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2132 case AUTHENTIC_TYPE
:
2133 DEBUG(4,"ray_rx authentic type\n");
2134 if (sniffer
) rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2135 else rx_authenticate(local
, prcs
, pkt_addr
, rx_len
);
2137 case DEAUTHENTIC_TYPE
:
2138 DEBUG(4,"ray_rx deauth type\n");
2139 if (sniffer
) rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2140 else rx_deauthenticate(local
, prcs
, pkt_addr
, rx_len
);
2143 DEBUG(3,"ray_cs rx NULL msg\n");
2146 DEBUG(4,"ray_rx beacon type\n");
2147 if (sniffer
) rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2149 copy_from_rx_buff(local
, (UCHAR
*)&local
->last_bcn
, pkt_addr
,
2150 rx_len
< sizeof(struct beacon_rx
) ?
2151 rx_len
: sizeof(struct beacon_rx
));
2153 local
->beacon_rxed
= 1;
2154 /* Get the statistics so the card counters never overflow */
2158 DEBUG(0,"ray_cs unknown pkt type %2x\n", (unsigned int) readb(pmsg
));
2163 /*===========================================================================*/
2164 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
, unsigned int pkt_addr
,
2167 struct sk_buff
*skb
= NULL
;
2168 struct rcs __iomem
*prcslink
= prcs
;
2169 ray_dev_t
*local
= dev
->priv
;
2174 int siglev
= local
->last_rsl
;
2175 u_char linksrcaddr
[ETH_ALEN
]; /* Other end of the wireless link */
2180 /* TBD length needs fixing for translated header */
2181 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2182 rx_len
> (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+ FCS_LEN
))
2184 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len
);
2188 else /* encapsulated ethernet */ {
2189 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2190 rx_len
> (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+ FCS_LEN
))
2192 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len
);
2197 DEBUG(4,"ray_cs rx_data packet\n");
2198 /* If fragmented packet, verify sizes of fragments add up */
2199 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2200 DEBUG(1,"ray_cs rx'ed fragment\n");
2201 tmp
= (readb(&prcs
->var
.rx_packet
.totalpacketlength
[0]) << 8)
2202 + readb(&prcs
->var
.rx_packet
.totalpacketlength
[1]);
2206 tmp
-= (readb(&prcslink
->var
.rx_packet
.rx_data_length
[0]) << 8)
2207 + readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]);
2208 if (readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
) == 0xFF
2210 prcslink
= rcs_base(local
)
2211 + readb(&prcslink
->link_field
);
2216 DEBUG(0,"ray_cs rx_data fragment lengths don't add up\n");
2217 local
->stats
.rx_dropped
++;
2218 release_frag_chain(local
, prcs
);
2222 else { /* Single unfragmented packet */
2226 skb
= dev_alloc_skb( total_len
+5 );
2229 DEBUG(0,"ray_cs rx_data could not allocate skb\n");
2230 local
->stats
.rx_dropped
++;
2231 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF)
2232 release_frag_chain(local
, prcs
);
2235 skb_reserve( skb
, 2); /* Align IP on 16 byte (TBD check this)*/
2238 DEBUG(4,"ray_cs rx_data total_len = %x, rx_len = %x\n",total_len
,rx_len
);
2240 /************************/
2241 /* Reserve enough room for the whole damn packet. */
2242 rx_ptr
= skb_put( skb
, total_len
);
2243 /* Copy the whole packet to sk_buff */
2244 rx_ptr
+= copy_from_rx_buff(local
, rx_ptr
, pkt_addr
& RX_BUFF_END
, rx_len
);
2245 /* Get source address */
2247 memcpy(linksrcaddr
, ((struct mac_header
*)skb
->data
)->addr_2
, ETH_ALEN
);
2249 /* Now, deal with encapsulation/translation/sniffer */
2252 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2253 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2254 skb_pull( skb
, RX_MAC_HEADER_LENGTH
);
2257 /* Do translation */
2258 untranslate(local
, skb
, total_len
);
2262 { /* sniffer mode, so just pass whole packet */ };
2264 /************************/
2265 /* Now pick up the rest of the fragments if any */
2267 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2269 DEBUG(1,"ray_cs rx_data in fragment loop\n");
2271 prcslink
= rcs_base(local
)
2272 + readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2273 rx_len
= (( readb(&prcslink
->var
.rx_packet
.rx_data_length
[0]) << 8)
2274 + readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]))
2276 pkt_addr
= (( readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[0]) << 8)
2277 + readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[1]))
2280 rx_ptr
+= copy_from_rx_buff(local
, rx_ptr
, pkt_addr
, rx_len
);
2283 readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF);
2284 release_frag_chain(local
, prcs
);
2287 skb
->protocol
= eth_type_trans(skb
,dev
);
2289 dev
->last_rx
= jiffies
;
2290 local
->stats
.rx_packets
++;
2291 local
->stats
.rx_bytes
+= total_len
;
2293 /* Gather signal strength per address */
2295 /* For the Access Point or the node having started the ad-hoc net
2296 * note : ad-hoc work only in some specific configurations, but we
2297 * kludge in ray_get_wireless_stats... */
2298 if(!memcmp(linksrcaddr
, local
->bss_id
, ETH_ALEN
))
2300 /* Update statistics */
2301 /*local->wstats.qual.qual = none ? */
2302 local
->wstats
.qual
.level
= siglev
;
2303 /*local->wstats.qual.noise = none ? */
2304 local
->wstats
.qual
.updated
= 0x2;
2306 /* Now, update the spy stuff */
2308 struct iw_quality wstats
;
2309 wstats
.level
= siglev
;
2310 /* wstats.noise = none ? */
2311 /* wstats.qual = none ? */
2312 wstats
.updated
= 0x2;
2313 /* Update spy records */
2314 wireless_spy_update(dev
, linksrcaddr
, &wstats
);
2316 #endif /* WIRELESS_SPY */
2318 /*===========================================================================*/
2319 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
)
2321 snaphdr_t
*psnap
= (snaphdr_t
*)(skb
->data
+ RX_MAC_HEADER_LENGTH
);
2322 struct mac_header
*pmac
= (struct mac_header
*)skb
->data
;
2323 unsigned short type
= *(unsigned short *)psnap
->ethertype
;
2324 unsigned int xsap
= *(unsigned int *)psnap
& 0x00ffffff;
2325 unsigned int org
= (*(unsigned int *)psnap
->org
) & 0x00ffffff;
2327 struct ethhdr
*peth
;
2328 UCHAR srcaddr
[ADDRLEN
];
2329 UCHAR destaddr
[ADDRLEN
];
2331 if (pmac
->frame_ctl_2
& FC2_FROM_DS
) {
2332 if (pmac
->frame_ctl_2
& FC2_TO_DS
) { /* AP to AP */
2333 memcpy(destaddr
, pmac
->addr_3
, ADDRLEN
);
2334 memcpy(srcaddr
, ((unsigned char *)pmac
->addr_3
) + ADDRLEN
, ADDRLEN
);
2335 } else { /* AP to terminal */
2336 memcpy(destaddr
, pmac
->addr_1
, ADDRLEN
);
2337 memcpy(srcaddr
, pmac
->addr_3
, ADDRLEN
);
2339 } else { /* Terminal to AP */
2340 if (pmac
->frame_ctl_2
& FC2_TO_DS
) {
2341 memcpy(destaddr
, pmac
->addr_3
, ADDRLEN
);
2342 memcpy(srcaddr
, pmac
->addr_2
, ADDRLEN
);
2343 } else { /* Adhoc */
2344 memcpy(destaddr
, pmac
->addr_1
, ADDRLEN
);
2345 memcpy(srcaddr
, pmac
->addr_2
, ADDRLEN
);
2352 printk(KERN_DEBUG
"skb->data before untranslate");
2354 printk("%02x ",skb
->data
[i
]);
2355 printk("\n" KERN_DEBUG
"type = %08x, xsap = %08x, org = %08x\n",
2357 printk(KERN_DEBUG
"untranslate skb->data = %p\n",skb
->data
);
2361 if ( xsap
!= SNAP_ID
) {
2362 /* not a snap type so leave it alone */
2363 DEBUG(3,"ray_cs untranslate NOT SNAP %x\n", *(unsigned int *)psnap
& 0x00ffffff);
2365 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2366 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2367 peth
->h_proto
= htons(len
- RX_MAC_HEADER_LENGTH
);
2369 else { /* Its a SNAP */
2370 if (org
== BRIDGE_ENCAP
) { /* EtherII and nuke the LLC */
2371 DEBUG(3,"ray_cs untranslate Bridge encap\n");
2372 delta
= RX_MAC_HEADER_LENGTH
2373 + sizeof(struct snaphdr_t
) - ETH_HLEN
;
2374 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2375 peth
->h_proto
= type
;
2378 if (org
== RFC1042_ENCAP
) {
2382 DEBUG(3,"ray_cs untranslate RFC IPX/AARP\n");
2383 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2384 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2385 peth
->h_proto
= htons(len
- RX_MAC_HEADER_LENGTH
);
2388 DEBUG(3,"ray_cs untranslate RFC default\n");
2389 delta
= RX_MAC_HEADER_LENGTH
+
2390 sizeof(struct snaphdr_t
) - ETH_HLEN
;
2391 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2392 peth
->h_proto
= type
;
2397 printk("ray_cs untranslate very confused by packet\n");
2398 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2399 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2400 peth
->h_proto
= type
;
2404 /* TBD reserve skb_reserve(skb, delta); */
2405 skb_pull(skb
, delta
);
2406 DEBUG(3,"untranslate after skb_pull(%d), skb->data = %p\n",delta
,skb
->data
);
2407 memcpy(peth
->h_dest
, destaddr
, ADDRLEN
);
2408 memcpy(peth
->h_source
, srcaddr
, ADDRLEN
);
2412 printk(KERN_DEBUG
"skb->data after untranslate:");
2414 printk("%02x ",skb
->data
[i
]);
2418 } /* end untranslate */
2419 /*===========================================================================*/
2420 /* Copy data from circular receive buffer to PC memory.
2421 * dest = destination address in PC memory
2422 * pkt_addr = source address in receive buffer
2423 * len = length of packet to copy
2425 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
, int length
)
2427 int wrap_bytes
= (pkt_addr
+ length
) - (RX_BUFF_END
+ 1);
2428 if (wrap_bytes
<= 0)
2430 memcpy_fromio(dest
,local
->rmem
+ pkt_addr
,length
);
2432 else /* Packet wrapped in circular buffer */
2434 memcpy_fromio(dest
,local
->rmem
+pkt_addr
,length
- wrap_bytes
);
2435 memcpy_fromio(dest
+ length
- wrap_bytes
, local
->rmem
, wrap_bytes
);
2439 /*===========================================================================*/
2440 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
* prcs
)
2442 struct rcs __iomem
*prcslink
= prcs
;
2444 unsigned rcsindex
= readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
);
2447 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2448 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
)) {
2449 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex
);
2452 prcslink
= rcs_base(local
) + rcsindex
;
2453 rcsindex
= readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2455 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2457 /*===========================================================================*/
2458 static void authenticate(ray_dev_t
*local
)
2460 struct pcmcia_device
*link
= local
->finder
;
2461 DEBUG(0,"ray_cs Starting authentication.\n");
2462 if (!(pcmcia_dev_present(link
))) {
2463 DEBUG(2,"ray_cs authenticate - device not present\n");
2467 del_timer(&local
->timer
);
2468 if (build_auth_frame(local
, local
->bss_id
, OPEN_AUTH_REQUEST
)) {
2469 local
->timer
.function
= &join_net
;
2472 local
->timer
.function
= &authenticate_timeout
;
2474 local
->timer
.expires
= jiffies
+ HZ
*2;
2475 local
->timer
.data
= (long)local
;
2476 add_timer(&local
->timer
);
2477 local
->authentication_state
= AWAITING_RESPONSE
;
2478 } /* end authenticate */
2479 /*===========================================================================*/
2480 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2481 unsigned int pkt_addr
, int rx_len
)
2484 struct rx_msg
*msg
= (struct rx_msg
*)buff
;
2486 del_timer(&local
->timer
);
2488 copy_from_rx_buff(local
, buff
, pkt_addr
, rx_len
& 0xff);
2489 /* if we are trying to get authenticated */
2490 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2491 DEBUG(1,"ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", msg
->var
[0],msg
->var
[1],msg
->var
[2],msg
->var
[3],msg
->var
[4],msg
->var
[5]);
2492 if (msg
->var
[2] == 1) {
2493 DEBUG(0,"ray_cs Sending authentication response.\n");
2494 if (!build_auth_frame (local
, msg
->mac
.addr_2
, OPEN_AUTH_RESPONSE
)) {
2495 local
->authentication_state
= NEED_TO_AUTH
;
2496 memcpy(local
->auth_id
, msg
->mac
.addr_2
, ADDRLEN
);
2500 else /* Infrastructure network */
2502 if (local
->authentication_state
== AWAITING_RESPONSE
) {
2503 /* Verify authentication sequence #2 and success */
2504 if (msg
->var
[2] == 2) {
2505 if ((msg
->var
[3] | msg
->var
[4]) == 0) {
2506 DEBUG(1,"Authentication successful\n");
2507 local
->card_status
= CARD_AUTH_COMPLETE
;
2509 local
->authentication_state
= AUTHENTICATED
;
2512 DEBUG(0,"Authentication refused\n");
2513 local
->card_status
= CARD_AUTH_REFUSED
;
2514 join_net((u_long
)local
);
2515 local
->authentication_state
= UNAUTHENTICATED
;
2521 } /* end rx_authenticate */
2522 /*===========================================================================*/
2523 static void associate(ray_dev_t
*local
)
2525 struct ccs __iomem
*pccs
;
2526 struct pcmcia_device
*link
= local
->finder
;
2527 struct net_device
*dev
= link
->priv
;
2529 if (!(pcmcia_dev_present(link
))) {
2530 DEBUG(2,"ray_cs associate - device not present\n");
2533 /* If no tx buffers available, return*/
2534 if ((ccsindex
= get_free_ccs(local
)) < 0)
2536 /* TBD should never be here but... what if we are? */
2537 DEBUG(1,"ray_cs associate - No free ccs\n");
2540 DEBUG(1,"ray_cs Starting association with access point\n");
2541 pccs
= ccs_base(local
) + ccsindex
;
2542 /* fill in the CCS */
2543 writeb(CCS_START_ASSOCIATION
, &pccs
->cmd
);
2544 /* Interrupt the firmware to process the command */
2545 if (interrupt_ecf(local
, ccsindex
)) {
2546 DEBUG(1,"ray_cs associate failed - ECF not ready for intr\n");
2547 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2549 del_timer(&local
->timer
);
2550 local
->timer
.expires
= jiffies
+ HZ
*2;
2551 local
->timer
.data
= (long)local
;
2552 local
->timer
.function
= &join_net
;
2553 add_timer(&local
->timer
);
2554 local
->card_status
= CARD_ASSOC_FAILED
;
2557 if (!sniffer
) netif_start_queue(dev
);
2559 } /* end associate */
2560 /*===========================================================================*/
2561 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2562 unsigned int pkt_addr
, int rx_len
)
2565 struct rx_msg *msg = (struct rx_msg *)buff;
2567 DEBUG(0,"Deauthentication frame received\n");
2568 local
->authentication_state
= UNAUTHENTICATED
;
2569 /* Need to reauthenticate or rejoin depending on reason code */
2570 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2573 /*===========================================================================*/
2574 static void clear_interrupt(ray_dev_t
*local
)
2576 writeb(0, local
->amem
+ CIS_OFFSET
+ HCS_INTR_OFFSET
);
2578 /*===========================================================================*/
2579 #ifdef CONFIG_PROC_FS
2580 #define MAXDATA (PAGE_SIZE - 80)
2582 static char *card_status
[] = {
2583 "Card inserted - uninitialized", /* 0 */
2584 "Card not downloaded", /* 1 */
2585 "Waiting for download parameters", /* 2 */
2586 "Card doing acquisition", /* 3 */
2587 "Acquisition complete", /* 4 */
2588 "Authentication complete", /* 5 */
2589 "Association complete", /* 6 */
2590 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2591 "Card init error", /* 11 */
2592 "Download parameters error", /* 12 */
2594 "Acquisition failed", /* 14 */
2595 "Authentication refused", /* 15 */
2596 "Association failed" /* 16 */
2599 static char *nettype
[] = {"Adhoc", "Infra "};
2600 static char *framing
[] = {"Encapsulation", "Translation"}
2602 /*===========================================================================*/
2603 static int ray_cs_proc_read(char *buf
, char **start
, off_t offset
, int len
)
2605 /* Print current values which are not available via other means
2609 struct pcmcia_device
*link
;
2610 struct net_device
*dev
;
2613 struct freq_hop_element
*pfh
;
2619 dev
= (struct net_device
*)link
->priv
;
2622 local
= (ray_dev_t
*)dev
->priv
;
2628 len
+= sprintf(buf
+ len
, "Raylink Wireless LAN driver status\n");
2629 len
+= sprintf(buf
+ len
, "%s\n", rcsid
);
2630 /* build 4 does not report version, and field is 0x55 after memtest */
2631 len
+= sprintf(buf
+ len
, "Firmware version = ");
2632 if (local
->fw_ver
== 0x55)
2633 len
+= sprintf(buf
+ len
, "4 - Use dump_cis for more details\n");
2635 len
+= sprintf(buf
+ len
, "%2d.%02d.%02d\n",
2636 local
->fw_ver
, local
->fw_bld
, local
->fw_var
);
2638 for (i
=0; i
<32; i
++) c
[i
] = local
->sparm
.b5
.a_current_ess_id
[i
];
2640 len
+= sprintf(buf
+ len
, "%s network ESSID = \"%s\"\n",
2641 nettype
[local
->sparm
.b5
.a_network_type
], c
);
2644 len
+= sprintf(buf
+ len
,
2645 "BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
2646 p
[0],p
[1],p
[2],p
[3],p
[4],p
[5]);
2648 len
+= sprintf(buf
+ len
, "Country code = %d\n",
2649 local
->sparm
.b5
.a_curr_country_code
);
2651 i
= local
->card_status
;
2654 len
+= sprintf(buf
+ len
, "Card status = %s\n", card_status
[i
]);
2656 len
+= sprintf(buf
+ len
, "Framing mode = %s\n",framing
[translate
]);
2658 len
+= sprintf(buf
+ len
, "Last pkt signal lvl = %d\n", local
->last_rsl
);
2660 if (local
->beacon_rxed
) {
2661 /* Pull some fields out of last beacon received */
2662 len
+= sprintf(buf
+ len
, "Beacon Interval = %d Kus\n",
2663 local
->last_bcn
.beacon_intvl
[0]
2664 + 256 * local
->last_bcn
.beacon_intvl
[1]);
2666 p
= local
->last_bcn
.elements
;
2667 if (p
[0] == C_ESSID_ELEMENT_ID
) p
+= p
[1] + 2;
2669 len
+= sprintf(buf
+ len
, "Parse beacon failed at essid element id = %d\n",p
[0]);
2673 if (p
[0] == C_SUPPORTED_RATES_ELEMENT_ID
) {
2674 len
+= sprintf(buf
+ len
, "Supported rate codes = ");
2675 for (i
=2; i
<p
[1] + 2; i
++)
2676 len
+= sprintf(buf
+ len
, "0x%02x ", p
[i
]);
2677 len
+= sprintf(buf
+ len
, "\n");
2681 len
+= sprintf(buf
+ len
, "Parse beacon failed at rates element\n");
2685 if (p
[0] == C_FH_PARAM_SET_ELEMENT_ID
) {
2686 pfh
= (struct freq_hop_element
*)p
;
2687 len
+= sprintf(buf
+ len
, "Hop dwell = %d Kus\n",
2688 pfh
->dwell_time
[0] + 256 * pfh
->dwell_time
[1]);
2689 len
+= sprintf(buf
+ len
, "Hop set = %d \n", pfh
->hop_set
);
2690 len
+= sprintf(buf
+ len
, "Hop pattern = %d \n", pfh
->hop_pattern
);
2691 len
+= sprintf(buf
+ len
, "Hop index = %d \n", pfh
->hop_index
);
2695 len
+= sprintf(buf
+ len
, "Parse beacon failed at FH param element\n");
2699 len
+= sprintf(buf
+ len
, "No beacons received\n");
2705 /*===========================================================================*/
2706 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
)
2709 struct ccs __iomem
*pccs
;
2710 struct tx_msg __iomem
*ptx
;
2713 /* If no tx buffers available, return */
2714 if ((ccsindex
= get_free_tx_ccs(local
)) < 0)
2716 DEBUG(1,"ray_cs send authenticate - No free tx ccs\n");
2720 pccs
= ccs_base(local
) + ccsindex
;
2722 /* Address in card space */
2723 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
2724 /* fill in the CCS */
2725 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
2726 writeb(addr
>> 8, pccs
->var
.tx_request
.tx_data_ptr
);
2727 writeb(0x20, pccs
->var
.tx_request
.tx_data_ptr
+ 1);
2728 writeb(TX_AUTHENTICATE_LENGTH_MSB
, pccs
->var
.tx_request
.tx_data_length
);
2729 writeb(TX_AUTHENTICATE_LENGTH_LSB
,pccs
->var
.tx_request
.tx_data_length
+ 1);
2730 writeb(0, &pccs
->var
.tx_request
.pow_sav_mode
);
2732 ptx
= local
->sram
+ addr
;
2733 /* fill in the mac header */
2734 writeb(PROTOCOL_VER
| AUTHENTIC_TYPE
, &ptx
->mac
.frame_ctl_1
);
2735 writeb(0, &ptx
->mac
.frame_ctl_2
);
2737 memcpy_toio(ptx
->mac
.addr_1
, dest
, ADDRLEN
);
2738 memcpy_toio(ptx
->mac
.addr_2
, local
->sparm
.b4
.a_mac_addr
, ADDRLEN
);
2739 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
2741 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2742 memset_io(ptx
->var
, 0, 6);
2743 writeb(auth_type
& 0xff, ptx
->var
+ 2);
2745 /* Interrupt the firmware to process the command */
2746 if (interrupt_ecf(local
, ccsindex
)) {
2747 DEBUG(1,"ray_cs send authentication request failed - ECF not ready for intr\n");
2748 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2752 } /* End build_auth_frame */
2754 /*===========================================================================*/
2755 #ifdef CONFIG_PROC_FS
2756 static void raycs_write(const char *name
, write_proc_t
*w
, void *data
)
2758 struct proc_dir_entry
* entry
= create_proc_entry(name
, S_IFREG
| S_IWUSR
, NULL
);
2760 entry
->write_proc
= w
;
2765 static int write_essid(struct file
*file
, const char __user
*buffer
, unsigned long count
, void *data
)
2767 static char proc_essid
[33];
2772 memset(proc_essid
, 0, 33);
2773 if (copy_from_user(proc_essid
, buffer
, len
))
2779 static int write_int(struct file
*file
, const char __user
*buffer
, unsigned long count
, void *data
)
2781 static char proc_number
[10];
2790 if (copy_from_user(proc_number
, buffer
, count
))
2796 unsigned int c
= *p
- '0';
2807 static struct pcmcia_device_id ray_ids
[] = {
2808 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2811 MODULE_DEVICE_TABLE(pcmcia
, ray_ids
);
2813 static struct pcmcia_driver ray_driver
= {
2814 .owner
= THIS_MODULE
,
2819 .remove
= ray_detach
,
2820 .id_table
= ray_ids
,
2821 .suspend
= ray_suspend
,
2822 .resume
= ray_resume
,
2825 static int __init
init_ray_cs(void)
2829 DEBUG(1, "%s\n", rcsid
);
2830 rc
= pcmcia_register_driver(&ray_driver
);
2831 DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",rc
);
2833 #ifdef CONFIG_PROC_FS
2834 proc_mkdir("driver/ray_cs", NULL
);
2836 create_proc_info_entry("driver/ray_cs/ray_cs", 0, NULL
, &ray_cs_proc_read
);
2837 raycs_write("driver/ray_cs/essid", write_essid
, NULL
);
2838 raycs_write("driver/ray_cs/net_type", write_int
, &net_type
);
2839 raycs_write("driver/ray_cs/translate", write_int
, &translate
);
2841 if (translate
!= 0) translate
= 1;
2845 /*===========================================================================*/
2847 static void __exit
exit_ray_cs(void)
2849 DEBUG(0, "ray_cs: cleanup_module\n");
2851 #ifdef CONFIG_PROC_FS
2852 remove_proc_entry("driver/ray_cs/ray_cs", NULL
);
2853 remove_proc_entry("driver/ray_cs/essid", NULL
);
2854 remove_proc_entry("driver/ray_cs/net_type", NULL
);
2855 remove_proc_entry("driver/ray_cs/translate", NULL
);
2856 remove_proc_entry("driver/ray_cs", NULL
);
2859 pcmcia_unregister_driver(&ray_driver
);
2862 module_init(init_ray_cs
);
2863 module_exit(exit_ray_cs
);
2865 /*===========================================================================*/