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/config.h>
34 #include <linux/module.h>
35 #include <linux/kernel.h>
36 #include <linux/proc_fs.h>
37 #include <linux/ptrace.h>
38 #include <linux/slab.h>
39 #include <linux/string.h>
40 #include <linux/timer.h>
41 #include <linux/init.h>
42 #include <linux/netdevice.h>
43 #include <linux/etherdevice.h>
44 #include <linux/if_arp.h>
45 #include <linux/ioport.h>
46 #include <linux/skbuff.h>
47 #include <linux/ethtool.h>
49 #include <pcmcia/cs_types.h>
50 #include <pcmcia/cs.h>
51 #include <pcmcia/cistpl.h>
52 #include <pcmcia/cisreg.h>
53 #include <pcmcia/ds.h>
54 #include <pcmcia/mem_op.h>
56 #include <net/ieee80211.h>
57 #include <linux/wireless.h>
60 #include <asm/system.h>
61 #include <asm/byteorder.h>
62 #include <asm/uaccess.h>
64 /* Warning : these stuff will slow down the driver... */
65 #define WIRELESS_SPY /* Enable spying addresses */
66 /* Definitions we need for spy */
67 typedef struct iw_statistics iw_stats
;
68 typedef u_char mac_addr
[ETH_ALEN
]; /* Hardware address */
73 /* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
74 you do not define PCMCIA_DEBUG at all, all the debug code will be
75 left out. If you compile with PCMCIA_DEBUG=0, the debug code will
76 be present but disabled -- but it can then be enabled for specific
77 modules at load time with a 'pc_debug=#' option to insmod.
81 #define PCMCIA_DEBUG RAYLINK_DEBUG
85 static int pc_debug
= PCMCIA_DEBUG
;
86 module_param(pc_debug
, int, 0);
87 /* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */
88 #define DEBUG(n, args...) if (pc_debug>(n)) printk(args);
90 #define DEBUG(n, args...)
92 /** Prototypes based on PCMCIA skeleton driver *******************************/
93 static int ray_config(struct pcmcia_device
*link
);
94 static void ray_release(struct pcmcia_device
*link
);
95 static void ray_detach(struct pcmcia_device
*p_dev
);
97 /***** Prototypes indicated by device structure ******************************/
98 static int ray_dev_close(struct net_device
*dev
);
99 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
);
100 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
);
101 static int ray_dev_init(struct net_device
*dev
);
103 static struct ethtool_ops netdev_ethtool_ops
;
105 static int ray_open(struct net_device
*dev
);
106 static int ray_dev_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
);
107 static void set_multicast_list(struct net_device
*dev
);
108 static void ray_update_multi_list(struct net_device
*dev
, int all
);
109 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
110 unsigned char *data
, int len
);
111 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
, UCHAR msg_type
,
112 unsigned char *data
);
113 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
);
114 static iw_stats
* ray_get_wireless_stats(struct net_device
* dev
);
115 static const struct iw_handler_def ray_handler_def
;
117 /***** Prototypes for raylink functions **************************************/
118 static int asc_to_int(char a
);
119 static void authenticate(ray_dev_t
*local
);
120 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
);
121 static void authenticate_timeout(u_long
);
122 static int get_free_ccs(ray_dev_t
*local
);
123 static int get_free_tx_ccs(ray_dev_t
*local
);
124 static void init_startup_params(ray_dev_t
*local
);
125 static int parse_addr(char *in_str
, UCHAR
*out
);
126 static int ray_hw_xmit(unsigned char* data
, int len
, struct net_device
* dev
, UCHAR type
);
127 static int ray_init(struct net_device
*dev
);
128 static int interrupt_ecf(ray_dev_t
*local
, int ccs
);
129 static void ray_reset(struct net_device
*dev
);
130 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
, int len
);
131 static void verify_dl_startup(u_long
);
133 /* Prototypes for interrpt time functions **********************************/
134 static irqreturn_t
ray_interrupt (int reg
, void *dev_id
, struct pt_regs
*regs
);
135 static void clear_interrupt(ray_dev_t
*local
);
136 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
137 unsigned int pkt_addr
, int rx_len
);
138 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
, int len
);
139 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
, struct rcs __iomem
*prcs
);
140 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
*prcs
);
141 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
142 unsigned int pkt_addr
, int rx_len
);
143 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
, unsigned int pkt_addr
,
145 static void associate(ray_dev_t
*local
);
147 /* Card command functions */
148 static int dl_startup_params(struct net_device
*dev
);
149 static void join_net(u_long local
);
150 static void start_net(u_long local
);
151 /* void start_net(ray_dev_t *local); */
153 /*===========================================================================*/
154 /* Parameters that can be set with 'insmod' */
156 /* ADHOC=0, Infrastructure=1 */
157 static int net_type
= ADHOC
;
159 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
160 static int hop_dwell
= 128;
162 /* Beacon period in Kus */
163 static int beacon_period
= 256;
165 /* power save mode (0 = off, 1 = save power) */
168 /* String for network's Extended Service Set ID. 32 Characters max */
171 /* Default to encapsulation unless translation requested */
172 static int translate
= 1;
174 static int country
= USA
;
180 /* 48 bit physical card address if overriding card's real physical
181 * address is required. Since IEEE 802.11 addresses are 48 bits
182 * like ethernet, an int can't be used, so a string is used. To
183 * allow use of addresses starting with a decimal digit, the first
184 * character must be a letter and will be ignored. This letter is
185 * followed by up to 12 hex digits which are the address. If less
186 * than 12 digits are used, the address will be left filled with 0's.
187 * Note that bit 0 of the first byte is the broadcast bit, and evil
188 * things will happen if it is not 0 in a card address.
190 static char *phy_addr
= NULL
;
193 /* A struct pcmcia_device structure has fields for most things that are needed
194 to keep track of a socket, but there will usually be some device
195 specific information that also needs to be kept track of. The
196 'priv' pointer in a struct pcmcia_device structure can be used to point to
197 a device-specific private data structure, like this.
199 static unsigned int ray_mem_speed
= 500;
201 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
202 static struct pcmcia_device
*this_device
= NULL
;
204 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
205 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
206 MODULE_LICENSE("GPL");
208 module_param(net_type
, int, 0);
209 module_param(hop_dwell
, int, 0);
210 module_param(beacon_period
, int, 0);
211 module_param(psm
, int, 0);
212 module_param(essid
, charp
, 0);
213 module_param(translate
, int, 0);
214 module_param(country
, int, 0);
215 module_param(sniffer
, int, 0);
216 module_param(bc
, int, 0);
217 module_param(phy_addr
, charp
, 0);
218 module_param(ray_mem_speed
, int, 0);
220 static UCHAR b5_default_startup_parms
[] = {
221 0, 0, /* Adhoc station */
222 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
223 0, 0, 0, 0, 0, 0, 0, 0,
224 0, 0, 0, 0, 0, 0, 0, 0,
225 0, 0, 0, 0, 0, 0, 0, 0,
226 1, 0, /* Active scan, CA Mode */
227 0, 0, 0, 0, 0, 0, /* No default MAC addr */
228 0x7f, 0xff, /* Frag threshold */
229 0x00, 0x80, /* Hop time 128 Kus*/
230 0x01, 0x00, /* Beacon period 256 Kus */
231 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
232 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
233 0x7f, 0xff, /* RTS threshold */
234 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
235 0x05, /* assoc resp timeout thresh */
236 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max*/
237 0, /* Promiscuous mode */
238 0x0c, 0x0bd, /* Unique word */
239 0x32, /* Slot time */
240 0xff, 0xff, /* roam-low snr, low snr count */
241 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
242 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
243 /* b4 - b5 differences start here */
244 0x00, 0x3f, /* CW max */
245 0x00, 0x0f, /* CW min */
246 0x04, 0x08, /* Noise gain, limit offset */
247 0x28, 0x28, /* det rssi, med busy offsets */
248 7, /* det sync thresh */
249 0, 2, 2, /* test mode, min, max */
250 0, /* allow broadcast SSID probe resp */
251 0, 0, /* privacy must start, can join */
252 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
255 static UCHAR b4_default_startup_parms
[] = {
256 0, 0, /* Adhoc station */
257 'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
258 0, 0, 0, 0, 0, 0, 0, 0,
259 0, 0, 0, 0, 0, 0, 0, 0,
260 0, 0, 0, 0, 0, 0, 0, 0,
261 1, 0, /* Active scan, CA Mode */
262 0, 0, 0, 0, 0, 0, /* No default MAC addr */
263 0x7f, 0xff, /* Frag threshold */
264 0x02, 0x00, /* Hop time */
265 0x00, 0x01, /* Beacon period */
266 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
267 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
268 0x7f, 0xff, /* RTS threshold */
269 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
270 0x05, /* assoc resp timeout thresh */
271 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max*/
272 0, /* Promiscuous mode */
273 0x0c, 0x0bd, /* Unique word */
274 0x4e, /* Slot time (TBD seems wrong)*/
275 0xff, 0xff, /* roam-low snr, low snr count */
276 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
277 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
278 /* b4 - b5 differences start here */
279 0x3f, 0x0f, /* CW max, min */
280 0x04, 0x08, /* Noise gain, limit offset */
281 0x28, 0x28, /* det rssi, med busy offsets */
282 7, /* det sync thresh */
283 0, 2, 2 /* test mode, min, max*/
285 /*===========================================================================*/
286 static unsigned char eth2_llc
[] = {0xaa, 0xaa, 3, 0, 0, 0};
288 static char hop_pattern_length
[] = { 1,
289 USA_HOP_MOD
, EUROPE_HOP_MOD
,
290 JAPAN_HOP_MOD
, KOREA_HOP_MOD
,
291 SPAIN_HOP_MOD
, FRANCE_HOP_MOD
,
292 ISRAEL_HOP_MOD
, AUSTRALIA_HOP_MOD
,
296 static char rcsid
[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
298 /*=============================================================================
299 ray_attach() creates an "instance" of the driver, allocating
300 local data structures for one device. The device is registered
302 The dev_link structure is initialized, but we don't actually
303 configure the card at this point -- we wait until we receive a
304 card insertion event.
305 =============================================================================*/
306 static int ray_probe(struct pcmcia_device
*p_dev
)
309 struct net_device
*dev
;
311 DEBUG(1, "ray_attach()\n");
313 /* Allocate space for private device-specific data */
314 dev
= alloc_etherdev(sizeof(ray_dev_t
));
319 local
->finder
= p_dev
;
321 /* The io structure describes IO port mapping. None used here */
322 p_dev
->io
.NumPorts1
= 0;
323 p_dev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_8
;
324 p_dev
->io
.IOAddrLines
= 5;
326 /* Interrupt setup. For PCMCIA, driver takes what's given */
327 p_dev
->irq
.Attributes
= IRQ_TYPE_EXCLUSIVE
| IRQ_HANDLE_PRESENT
;
328 p_dev
->irq
.IRQInfo1
= IRQ_LEVEL_ID
;
329 p_dev
->irq
.Handler
= &ray_interrupt
;
331 /* General socket configuration */
332 p_dev
->conf
.Attributes
= CONF_ENABLE_IRQ
;
333 p_dev
->conf
.IntType
= INT_MEMORY_AND_IO
;
334 p_dev
->conf
.ConfigIndex
= 1;
335 p_dev
->conf
.Present
= PRESENT_OPTION
;
338 p_dev
->irq
.Instance
= dev
;
340 local
->finder
= p_dev
;
341 local
->card_status
= CARD_INSERTED
;
342 local
->authentication_state
= UNAUTHENTICATED
;
343 local
->num_multi
= 0;
344 DEBUG(2,"ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
345 p_dev
,dev
,local
,&ray_interrupt
);
347 /* Raylink entries in the device structure */
348 dev
->hard_start_xmit
= &ray_dev_start_xmit
;
349 dev
->set_config
= &ray_dev_config
;
350 dev
->get_stats
= &ray_get_stats
;
351 SET_ETHTOOL_OPS(dev
, &netdev_ethtool_ops
);
352 dev
->wireless_handlers
= &ray_handler_def
;
354 local
->wireless_data
.spy_data
= &local
->spy_data
;
355 dev
->wireless_data
= &local
->wireless_data
;
356 #endif /* WIRELESS_SPY */
358 dev
->set_multicast_list
= &set_multicast_list
;
360 DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n");
361 SET_MODULE_OWNER(dev
);
362 dev
->init
= &ray_dev_init
;
363 dev
->open
= &ray_open
;
364 dev
->stop
= &ray_dev_close
;
365 netif_stop_queue(dev
);
367 init_timer(&local
->timer
);
370 return ray_config(p_dev
);
375 /*=============================================================================
376 This deletes a driver "instance". The device is de-registered
377 with Card Services. If it has been released, all local data
378 structures are freed. Otherwise, the structures will be freed
379 when the device is released.
380 =============================================================================*/
381 static void ray_detach(struct pcmcia_device
*link
)
383 struct net_device
*dev
;
386 DEBUG(1, "ray_detach(0x%p)\n", link
);
393 local
= (ray_dev_t
*)dev
->priv
;
394 del_timer(&local
->timer
);
397 if (link
->dev_node
) unregister_netdev(dev
);
400 DEBUG(2,"ray_cs ray_detach ending\n");
402 /*=============================================================================
403 ray_config() is run after a CARD_INSERTION event
404 is received, to configure the PCMCIA socket, and to make the
405 ethernet device available to the system.
406 =============================================================================*/
407 #define CS_CHECK(fn, ret) \
408 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
409 #define MAX_TUPLE_SIZE 128
410 static int ray_config(struct pcmcia_device
*link
)
414 int last_fn
= 0, last_ret
= 0;
416 u_char buf
[MAX_TUPLE_SIZE
];
419 struct net_device
*dev
= (struct net_device
*)link
->priv
;
420 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
422 DEBUG(1, "ray_config(0x%p)\n", link
);
424 /* This reads the card's CONFIG tuple to find its configuration regs */
425 tuple
.DesiredTuple
= CISTPL_CONFIG
;
426 CS_CHECK(GetFirstTuple
, pcmcia_get_first_tuple(link
, &tuple
));
427 tuple
.TupleData
= buf
;
428 tuple
.TupleDataMax
= MAX_TUPLE_SIZE
;
429 tuple
.TupleOffset
= 0;
430 CS_CHECK(GetTupleData
, pcmcia_get_tuple_data(link
, &tuple
));
431 CS_CHECK(ParseTuple
, pcmcia_parse_tuple(link
, &tuple
, &parse
));
432 link
->conf
.ConfigBase
= parse
.config
.base
;
433 link
->conf
.Present
= parse
.config
.rmask
[0];
435 /* Determine card type and firmware version */
436 buf
[0] = buf
[MAX_TUPLE_SIZE
- 1] = 0;
437 tuple
.DesiredTuple
= CISTPL_VERS_1
;
438 CS_CHECK(GetFirstTuple
, pcmcia_get_first_tuple(link
, &tuple
));
439 tuple
.TupleData
= buf
;
440 tuple
.TupleDataMax
= MAX_TUPLE_SIZE
;
441 tuple
.TupleOffset
= 2;
442 CS_CHECK(GetTupleData
, pcmcia_get_tuple_data(link
, &tuple
));
444 for (i
=0; i
<tuple
.TupleDataLen
- 4; i
++)
445 if (buf
[i
] == 0) buf
[i
] = ' ';
446 printk(KERN_INFO
"ray_cs Detected: %s\n",buf
);
448 /* Now allocate an interrupt line. Note that this does not
449 actually assign a handler to the interrupt.
451 CS_CHECK(RequestIRQ
, pcmcia_request_irq(link
, &link
->irq
));
452 dev
->irq
= link
->irq
.AssignedIRQ
;
454 /* This actually configures the PCMCIA socket -- setting up
455 the I/O windows and the interrupt mapping.
457 CS_CHECK(RequestConfiguration
, pcmcia_request_configuration(link
, &link
->conf
));
459 /*** Set up 32k window for shared memory (transmit and control) ************/
460 req
.Attributes
= WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
463 req
.AccessSpeed
= ray_mem_speed
;
464 CS_CHECK(RequestWindow
, pcmcia_request_window(&link
, &req
, &link
->win
));
465 mem
.CardOffset
= 0x0000; mem
.Page
= 0;
466 CS_CHECK(MapMemPage
, pcmcia_map_mem_page(link
->win
, &mem
));
467 local
->sram
= ioremap(req
.Base
,req
.Size
);
469 /*** Set up 16k window for shared memory (receive buffer) ***************/
470 req
.Attributes
= WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
473 req
.AccessSpeed
= ray_mem_speed
;
474 CS_CHECK(RequestWindow
, pcmcia_request_window(&link
, &req
, &local
->rmem_handle
));
475 mem
.CardOffset
= 0x8000; mem
.Page
= 0;
476 CS_CHECK(MapMemPage
, pcmcia_map_mem_page(local
->rmem_handle
, &mem
));
477 local
->rmem
= ioremap(req
.Base
,req
.Size
);
479 /*** Set up window for attribute memory ***********************************/
480 req
.Attributes
= WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_AM
| WIN_ENABLE
| WIN_USE_WAIT
;
483 req
.AccessSpeed
= ray_mem_speed
;
484 CS_CHECK(RequestWindow
, pcmcia_request_window(&link
, &req
, &local
->amem_handle
));
485 mem
.CardOffset
= 0x0000; mem
.Page
= 0;
486 CS_CHECK(MapMemPage
, pcmcia_map_mem_page(local
->amem_handle
, &mem
));
487 local
->amem
= ioremap(req
.Base
,req
.Size
);
489 DEBUG(3,"ray_config sram=%p\n",local
->sram
);
490 DEBUG(3,"ray_config rmem=%p\n",local
->rmem
);
491 DEBUG(3,"ray_config amem=%p\n",local
->amem
);
492 if (ray_init(dev
) < 0) {
497 SET_NETDEV_DEV(dev
, &handle_to_dev(link
));
498 i
= register_netdev(dev
);
500 printk("ray_config register_netdev() failed\n");
505 strcpy(local
->node
.dev_name
, dev
->name
);
506 link
->dev_node
= &local
->node
;
508 printk(KERN_INFO
"%s: RayLink, irq %d, hw_addr ",
509 dev
->name
, dev
->irq
);
510 for (i
= 0; i
< 6; i
++)
511 printk("%02X%s", dev
->dev_addr
[i
], ((i
<5) ? ":" : "\n"));
516 cs_error(link
, last_fn
, last_ret
);
522 static inline struct ccs __iomem
*ccs_base(ray_dev_t
*dev
)
524 return dev
->sram
+ CCS_BASE
;
527 static inline struct rcs __iomem
*rcs_base(ray_dev_t
*dev
)
530 * This looks nonsensical, since there is a separate
531 * RCS_BASE. But the difference between a "struct rcs"
532 * and a "struct ccs" ends up being in the _index_ off
533 * the base, so the base pointer is the same for both
536 return dev
->sram
+ CCS_BASE
;
539 /*===========================================================================*/
540 static int ray_init(struct net_device
*dev
)
544 struct ccs __iomem
*pccs
;
545 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
546 struct pcmcia_device
*link
= local
->finder
;
547 DEBUG(1, "ray_init(0x%p)\n", dev
);
548 if (!(pcmcia_dev_present(link
))) {
549 DEBUG(0,"ray_init - device not present\n");
553 local
->net_type
= net_type
;
554 local
->sta_type
= TYPE_STA
;
556 /* Copy the startup results to local memory */
557 memcpy_fromio(&local
->startup_res
, local
->sram
+ ECF_TO_HOST_BASE
,\
558 sizeof(struct startup_res_6
));
560 /* Check Power up test status and get mac address from card */
561 if (local
->startup_res
.startup_word
!= 0x80) {
562 printk(KERN_INFO
"ray_init ERROR card status = %2x\n",
563 local
->startup_res
.startup_word
);
564 local
->card_status
= CARD_INIT_ERROR
;
568 local
->fw_ver
= local
->startup_res
.firmware_version
[0];
569 local
->fw_bld
= local
->startup_res
.firmware_version
[1];
570 local
->fw_var
= local
->startup_res
.firmware_version
[2];
571 DEBUG(1,"ray_init firmware version %d.%d \n",local
->fw_ver
, local
->fw_bld
);
573 local
->tib_length
= 0x20;
574 if ((local
->fw_ver
== 5) && (local
->fw_bld
>= 30))
575 local
->tib_length
= local
->startup_res
.tib_length
;
576 DEBUG(2,"ray_init tib_length = 0x%02x\n", local
->tib_length
);
577 /* Initialize CCS's to buffer free state */
578 pccs
= ccs_base(local
);
579 for (i
=0; i
<NUMBER_OF_CCS
; i
++) {
580 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
582 init_startup_params(local
);
584 /* copy mac address to startup parameters */
585 if (parse_addr(phy_addr
, local
->sparm
.b4
.a_mac_addr
))
587 p
= local
->sparm
.b4
.a_mac_addr
;
591 memcpy(&local
->sparm
.b4
.a_mac_addr
,
592 &local
->startup_res
.station_addr
, ADDRLEN
);
593 p
= local
->sparm
.b4
.a_mac_addr
;
596 clear_interrupt(local
); /* Clear any interrupt from the card */
597 local
->card_status
= CARD_AWAITING_PARAM
;
598 DEBUG(2,"ray_init ending\n");
601 /*===========================================================================*/
602 /* Download startup parameters to the card and command it to read them */
603 static int dl_startup_params(struct net_device
*dev
)
606 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
607 struct ccs __iomem
*pccs
;
608 struct pcmcia_device
*link
= local
->finder
;
610 DEBUG(1,"dl_startup_params entered\n");
611 if (!(pcmcia_dev_present(link
))) {
612 DEBUG(2,"ray_cs dl_startup_params - device not present\n");
616 /* Copy parameters to host to ECF area */
617 if (local
->fw_ver
== 0x55)
618 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b4
,
619 sizeof(struct b4_startup_params
));
621 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b5
,
622 sizeof(struct b5_startup_params
));
625 /* Fill in the CCS fields for the ECF */
626 if ((ccsindex
= get_free_ccs(local
)) < 0) return -1;
627 local
->dl_param_ccs
= ccsindex
;
628 pccs
= ccs_base(local
) + ccsindex
;
629 writeb(CCS_DOWNLOAD_STARTUP_PARAMS
, &pccs
->cmd
);
630 DEBUG(2,"dl_startup_params start ccsindex = %d\n", local
->dl_param_ccs
);
631 /* Interrupt the firmware to process the command */
632 if (interrupt_ecf(local
, ccsindex
)) {
633 printk(KERN_INFO
"ray dl_startup_params failed - "
634 "ECF not ready for intr\n");
635 local
->card_status
= CARD_DL_PARAM_ERROR
;
636 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
639 local
->card_status
= CARD_DL_PARAM
;
640 /* Start kernel timer to wait for dl startup to complete. */
641 local
->timer
.expires
= jiffies
+ HZ
/2;
642 local
->timer
.data
= (long)local
;
643 local
->timer
.function
= &verify_dl_startup
;
644 add_timer(&local
->timer
);
645 DEBUG(2,"ray_cs dl_startup_params started timer for verify_dl_startup\n");
647 } /* dl_startup_params */
648 /*===========================================================================*/
649 static void init_startup_params(ray_dev_t
*local
)
653 if (country
> JAPAN_TEST
) country
= USA
;
655 if (country
< USA
) country
= USA
;
656 /* structure for hop time and beacon period is defined here using
657 * New 802.11D6.1 format. Card firmware is still using old format
660 * a_hop_time ms byte a_hop_time ms byte
661 * a_hop_time 2s byte a_hop_time ls byte
662 * a_hop_time ls byte a_beacon_period ms byte
663 * a_beacon_period a_beacon_period ls byte
665 * a_hop_time = uS a_hop_time = KuS
666 * a_beacon_period = hops a_beacon_period = KuS
667 */ /* 64ms = 010000 */
668 if (local
->fw_ver
== 0x55) {
669 memcpy((UCHAR
*)&local
->sparm
.b4
, b4_default_startup_parms
,
670 sizeof(struct b4_startup_params
));
671 /* Translate sane kus input values to old build 4/5 format */
672 /* i = hop time in uS truncated to 3 bytes */
673 i
= (hop_dwell
* 1024) & 0xffffff;
674 local
->sparm
.b4
.a_hop_time
[0] = (i
>> 16) & 0xff;
675 local
->sparm
.b4
.a_hop_time
[1] = (i
>> 8) & 0xff;
676 local
->sparm
.b4
.a_beacon_period
[0] = 0;
677 local
->sparm
.b4
.a_beacon_period
[1] =
678 ((beacon_period
/hop_dwell
) - 1) & 0xff;
679 local
->sparm
.b4
.a_curr_country_code
= country
;
680 local
->sparm
.b4
.a_hop_pattern_length
=
681 hop_pattern_length
[(int)country
] - 1;
684 local
->sparm
.b4
.a_ack_timeout
= 0x50;
685 local
->sparm
.b4
.a_sifs
= 0x3f;
688 else { /* Version 5 uses real kus values */
689 memcpy((UCHAR
*)&local
->sparm
.b5
, b5_default_startup_parms
,
690 sizeof(struct b5_startup_params
));
692 local
->sparm
.b5
.a_hop_time
[0] = (hop_dwell
>> 8) & 0xff;
693 local
->sparm
.b5
.a_hop_time
[1] = hop_dwell
& 0xff;
694 local
->sparm
.b5
.a_beacon_period
[0] = (beacon_period
>> 8) & 0xff;
695 local
->sparm
.b5
.a_beacon_period
[1] = beacon_period
& 0xff;
697 local
->sparm
.b5
.a_power_mgt_state
= 1;
698 local
->sparm
.b5
.a_curr_country_code
= country
;
699 local
->sparm
.b5
.a_hop_pattern_length
=
700 hop_pattern_length
[(int)country
];
703 local
->sparm
.b4
.a_network_type
= net_type
& 0x01;
704 local
->sparm
.b4
.a_acting_as_ap_status
= TYPE_STA
;
707 strncpy(local
->sparm
.b4
.a_current_ess_id
, essid
, ESSID_SIZE
);
708 } /* init_startup_params */
709 /*===========================================================================*/
710 static void verify_dl_startup(u_long data
)
712 ray_dev_t
*local
= (ray_dev_t
*)data
;
713 struct ccs __iomem
*pccs
= ccs_base(local
) + local
->dl_param_ccs
;
715 struct pcmcia_device
*link
= local
->finder
;
717 if (!(pcmcia_dev_present(link
))) {
718 DEBUG(2,"ray_cs verify_dl_startup - device not present\n");
724 printk(KERN_DEBUG
"verify_dl_startup parameters sent via ccs %d:\n",
725 local
->dl_param_ccs
);
726 for (i
=0; i
<sizeof(struct b5_startup_params
); i
++) {
727 printk(" %2x", (unsigned int) readb(local
->sram
+ HOST_TO_ECF_BASE
+ i
));
733 status
= readb(&pccs
->buffer_status
);
734 if (status
!= CCS_BUFFER_FREE
)
736 printk(KERN_INFO
"Download startup params failed. Status = %d\n",
738 local
->card_status
= CARD_DL_PARAM_ERROR
;
741 if (local
->sparm
.b4
.a_network_type
== ADHOC
)
742 start_net((u_long
)local
);
744 join_net((u_long
)local
);
747 } /* end verify_dl_startup */
748 /*===========================================================================*/
749 /* Command card to start a network */
750 static void start_net(u_long data
)
752 ray_dev_t
*local
= (ray_dev_t
*)data
;
753 struct ccs __iomem
*pccs
;
755 struct pcmcia_device
*link
= local
->finder
;
756 if (!(pcmcia_dev_present(link
))) {
757 DEBUG(2,"ray_cs start_net - device not present\n");
760 /* Fill in the CCS fields for the ECF */
761 if ((ccsindex
= get_free_ccs(local
)) < 0) return;
762 pccs
= ccs_base(local
) + ccsindex
;
763 writeb(CCS_START_NETWORK
, &pccs
->cmd
);
764 writeb(0, &pccs
->var
.start_network
.update_param
);
765 /* Interrupt the firmware to process the command */
766 if (interrupt_ecf(local
, ccsindex
)) {
767 DEBUG(1,"ray start net failed - card not ready for intr\n");
768 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
771 local
->card_status
= CARD_DOING_ACQ
;
773 } /* end start_net */
774 /*===========================================================================*/
775 /* Command card to join a network */
776 static void join_net(u_long data
)
778 ray_dev_t
*local
= (ray_dev_t
*)data
;
780 struct ccs __iomem
*pccs
;
782 struct pcmcia_device
*link
= local
->finder
;
784 if (!(pcmcia_dev_present(link
))) {
785 DEBUG(2,"ray_cs join_net - device not present\n");
788 /* Fill in the CCS fields for the ECF */
789 if ((ccsindex
= get_free_ccs(local
)) < 0) return;
790 pccs
= ccs_base(local
) + ccsindex
;
791 writeb(CCS_JOIN_NETWORK
, &pccs
->cmd
);
792 writeb(0, &pccs
->var
.join_network
.update_param
);
793 writeb(0, &pccs
->var
.join_network
.net_initiated
);
794 /* Interrupt the firmware to process the command */
795 if (interrupt_ecf(local
, ccsindex
)) {
796 DEBUG(1,"ray join net failed - card not ready for intr\n");
797 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
800 local
->card_status
= CARD_DOING_ACQ
;
803 /*============================================================================
804 After a card is removed, ray_release() will unregister the net
805 device, and release the PCMCIA configuration. If the device is
806 still open, this will be postponed until it is closed.
807 =============================================================================*/
808 static void ray_release(struct pcmcia_device
*link
)
810 struct net_device
*dev
= link
->priv
;
811 ray_dev_t
*local
= dev
->priv
;
814 DEBUG(1, "ray_release(0x%p)\n", link
);
816 del_timer(&local
->timer
);
818 iounmap(local
->sram
);
819 iounmap(local
->rmem
);
820 iounmap(local
->amem
);
821 /* Do bother checking to see if these succeed or not */
822 i
= pcmcia_release_window(local
->amem_handle
);
823 if ( i
!= CS_SUCCESS
) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i
);
824 i
= pcmcia_release_window(local
->rmem_handle
);
825 if ( i
!= CS_SUCCESS
) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i
);
826 pcmcia_disable_device(link
);
828 DEBUG(2,"ray_release ending\n");
831 static int ray_suspend(struct pcmcia_device
*link
)
833 struct net_device
*dev
= link
->priv
;
836 netif_device_detach(dev
);
841 static int ray_resume(struct pcmcia_device
*link
)
843 struct net_device
*dev
= link
->priv
;
847 netif_device_attach(dev
);
853 /*===========================================================================*/
854 int ray_dev_init(struct net_device
*dev
)
856 #ifdef RAY_IMMEDIATE_INIT
858 #endif /* RAY_IMMEDIATE_INIT */
859 ray_dev_t
*local
= dev
->priv
;
860 struct pcmcia_device
*link
= local
->finder
;
862 DEBUG(1,"ray_dev_init(dev=%p)\n",dev
);
863 if (!(pcmcia_dev_present(link
))) {
864 DEBUG(2,"ray_dev_init - device not present\n");
867 #ifdef RAY_IMMEDIATE_INIT
868 /* Download startup parameters */
869 if ( (i
= dl_startup_params(dev
)) < 0)
871 printk(KERN_INFO
"ray_dev_init dl_startup_params failed - "
875 #else /* RAY_IMMEDIATE_INIT */
876 /* Postpone the card init so that we can still configure the card,
877 * for example using the Wireless Extensions. The init will happen
878 * in ray_open() - Jean II */
879 DEBUG(1,"ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
881 #endif /* RAY_IMMEDIATE_INIT */
883 /* copy mac and broadcast addresses to linux device */
884 memcpy(&dev
->dev_addr
, &local
->sparm
.b4
.a_mac_addr
, ADDRLEN
);
885 memset(dev
->broadcast
, 0xff, ETH_ALEN
);
887 DEBUG(2,"ray_dev_init ending\n");
890 /*===========================================================================*/
891 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
)
893 ray_dev_t
*local
= dev
->priv
;
894 struct pcmcia_device
*link
= local
->finder
;
895 /* Dummy routine to satisfy device structure */
896 DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev
,map
);
897 if (!(pcmcia_dev_present(link
))) {
898 DEBUG(2,"ray_dev_config - device not present\n");
904 /*===========================================================================*/
905 static int ray_dev_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
907 ray_dev_t
*local
= dev
->priv
;
908 struct pcmcia_device
*link
= local
->finder
;
909 short length
= skb
->len
;
911 if (!(pcmcia_dev_present(link
))) {
912 DEBUG(2,"ray_dev_start_xmit - device not present\n");
915 DEBUG(3,"ray_dev_start_xmit(skb=%p, dev=%p)\n",skb
,dev
);
916 if (local
->authentication_state
== NEED_TO_AUTH
) {
917 DEBUG(0,"ray_cs Sending authentication request.\n");
918 if (!build_auth_frame (local
, local
->auth_id
, OPEN_AUTH_REQUEST
)) {
919 local
->authentication_state
= AUTHENTICATED
;
920 netif_stop_queue(dev
);
925 if (length
< ETH_ZLEN
)
927 skb
= skb_padto(skb
, ETH_ZLEN
);
932 switch (ray_hw_xmit( skb
->data
, length
, dev
, DATA_TYPE
)) {
935 netif_stop_queue(dev
);
941 dev
->trans_start
= jiffies
;
946 } /* ray_dev_start_xmit */
947 /*===========================================================================*/
948 static int ray_hw_xmit(unsigned char* data
, int len
, struct net_device
* dev
,
951 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
952 struct ccs __iomem
*pccs
;
955 struct tx_msg __iomem
*ptx
; /* Address of xmit buffer in PC space */
956 short int addr
; /* Address of xmit buffer in card space */
958 DEBUG(3,"ray_hw_xmit(data=%p, len=%d, dev=%p)\n",data
,len
,dev
);
959 if (len
+ TX_HEADER_LENGTH
> TX_BUF_SIZE
)
961 printk(KERN_INFO
"ray_hw_xmit packet too large: %d bytes\n",len
);
964 switch (ccsindex
= get_free_tx_ccs(local
)) {
966 DEBUG(2,"ray_hw_xmit tx_ccs table busy\n");
968 DEBUG(2,"ray_hw_xmit No free tx ccs\n");
970 netif_stop_queue(dev
);
975 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
977 if (msg_type
== DATA_TYPE
) {
978 local
->stats
.tx_bytes
+= len
;
979 local
->stats
.tx_packets
++;
982 ptx
= local
->sram
+ addr
;
984 ray_build_header(local
, ptx
, msg_type
, data
);
986 offset
= translate_frame(local
, ptx
, data
, len
);
988 else { /* Encapsulate frame */
989 /* TBD TIB length will move address of ptx->var */
990 memcpy_toio(&ptx
->var
, data
, len
);
994 /* fill in the CCS */
995 pccs
= ccs_base(local
) + ccsindex
;
996 len
+= TX_HEADER_LENGTH
+ offset
;
997 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
998 writeb(addr
>> 8, &pccs
->var
.tx_request
.tx_data_ptr
[0]);
999 writeb(local
->tib_length
, &pccs
->var
.tx_request
.tx_data_ptr
[1]);
1000 writeb(len
>> 8, &pccs
->var
.tx_request
.tx_data_length
[0]);
1001 writeb(len
& 0xff, &pccs
->var
.tx_request
.tx_data_length
[1]);
1002 /* TBD still need psm_cam? */
1003 writeb(PSM_CAM
, &pccs
->var
.tx_request
.pow_sav_mode
);
1004 writeb(local
->net_default_tx_rate
, &pccs
->var
.tx_request
.tx_rate
);
1005 writeb(0, &pccs
->var
.tx_request
.antenna
);
1006 DEBUG(3,"ray_hw_xmit default_tx_rate = 0x%x\n",\
1007 local
->net_default_tx_rate
);
1009 /* Interrupt the firmware to process the command */
1010 if (interrupt_ecf(local
, ccsindex
)) {
1011 DEBUG(2,"ray_hw_xmit failed - ECF not ready for intr\n");
1012 /* TBD very inefficient to copy packet to buffer, and then not
1013 send it, but the alternative is to queue the messages and that
1014 won't be done for a while. Maybe set tbusy until a CCS is free?
1016 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
1017 return XMIT_NO_INTR
;
1020 } /* end ray_hw_xmit */
1021 /*===========================================================================*/
1022 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
, unsigned char *data
,
1025 unsigned short int proto
= ((struct ethhdr
*)data
)->h_proto
;
1026 if (ntohs(proto
) >= 1536) { /* DIX II ethernet frame */
1027 DEBUG(3,"ray_cs translate_frame DIX II\n");
1028 /* Copy LLC header to card buffer */
1029 memcpy_toio(&ptx
->var
, eth2_llc
, sizeof(eth2_llc
));
1030 memcpy_toio( ((void __iomem
*)&ptx
->var
) + sizeof(eth2_llc
), (UCHAR
*)&proto
, 2);
1031 if ((proto
== 0xf380) || (proto
== 0x3781)) {
1032 /* This is the selective translation table, only 2 entries */
1033 writeb(0xf8, &((struct snaphdr_t __iomem
*)ptx
->var
)->org
[3]);
1035 /* Copy body of ethernet packet without ethernet header */
1036 memcpy_toio((void __iomem
*)&ptx
->var
+ sizeof(struct snaphdr_t
), \
1037 data
+ ETH_HLEN
, len
- ETH_HLEN
);
1038 return (int) sizeof(struct snaphdr_t
) - ETH_HLEN
;
1040 else { /* already 802 type, and proto is length */
1041 DEBUG(3,"ray_cs translate_frame 802\n");
1042 if (proto
== 0xffff) { /* evil netware IPX 802.3 without LLC */
1043 DEBUG(3,"ray_cs translate_frame evil IPX\n");
1044 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1045 return 0 - ETH_HLEN
;
1047 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1048 return 0 - ETH_HLEN
;
1050 /* TBD do other frame types */
1051 } /* end translate_frame */
1052 /*===========================================================================*/
1053 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
, UCHAR msg_type
,
1054 unsigned char *data
)
1056 writeb(PROTOCOL_VER
| msg_type
, &ptx
->mac
.frame_ctl_1
);
1057 /*** IEEE 802.11 Address field assignments *************
1058 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1059 Adhoc 0 0 dest src (terminal) BSSID N/A
1060 AP to Terminal 0 1 dest AP(BSSID) source N/A
1061 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1062 AP to AP 1 1 dest AP src AP dest source
1063 *******************************************************/
1064 if (local
->net_type
== ADHOC
) {
1065 writeb(0, &ptx
->mac
.frame_ctl_2
);
1066 memcpy_toio(ptx
->mac
.addr_1
, ((struct ethhdr
*)data
)->h_dest
, 2 * ADDRLEN
);
1067 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
1069 else /* infrastructure */
1071 if (local
->sparm
.b4
.a_acting_as_ap_status
)
1073 writeb(FC2_FROM_DS
, &ptx
->mac
.frame_ctl_2
);
1074 memcpy_toio(ptx
->mac
.addr_1
, ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1075 memcpy_toio(ptx
->mac
.addr_2
, local
->bss_id
, 6);
1076 memcpy_toio(ptx
->mac
.addr_3
, ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1080 writeb(FC2_TO_DS
, &ptx
->mac
.frame_ctl_2
);
1081 memcpy_toio(ptx
->mac
.addr_1
, local
->bss_id
, ADDRLEN
);
1082 memcpy_toio(ptx
->mac
.addr_2
, ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1083 memcpy_toio(ptx
->mac
.addr_3
, ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1086 } /* end encapsulate_frame */
1089 /*===========================================================================*/
1091 static void netdev_get_drvinfo(struct net_device
*dev
,
1092 struct ethtool_drvinfo
*info
)
1094 strcpy(info
->driver
, "ray_cs");
1097 static struct ethtool_ops netdev_ethtool_ops
= {
1098 .get_drvinfo
= netdev_get_drvinfo
,
1101 /*====================================================================*/
1103 /*------------------------------------------------------------------*/
1105 * Wireless Handler : get protocol name
1107 static int ray_get_name(struct net_device
*dev
,
1108 struct iw_request_info
*info
,
1112 strcpy(cwrq
, "IEEE 802.11-FH");
1116 /*------------------------------------------------------------------*/
1118 * Wireless Handler : set frequency
1120 static int ray_set_freq(struct net_device
*dev
,
1121 struct iw_request_info
*info
,
1122 struct iw_freq
*fwrq
,
1125 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1126 int err
= -EINPROGRESS
; /* Call commit handler */
1128 /* Reject if card is already initialised */
1129 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1132 /* Setting by channel number */
1133 if ((fwrq
->m
> USA_HOP_MOD
) || (fwrq
->e
> 0))
1136 local
->sparm
.b5
.a_hop_pattern
= fwrq
->m
;
1141 /*------------------------------------------------------------------*/
1143 * Wireless Handler : get frequency
1145 static int ray_get_freq(struct net_device
*dev
,
1146 struct iw_request_info
*info
,
1147 struct iw_freq
*fwrq
,
1150 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1152 fwrq
->m
= local
->sparm
.b5
.a_hop_pattern
;
1157 /*------------------------------------------------------------------*/
1159 * Wireless Handler : set ESSID
1161 static int ray_set_essid(struct net_device
*dev
,
1162 struct iw_request_info
*info
,
1163 struct iw_point
*dwrq
,
1166 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1168 /* Reject if card is already initialised */
1169 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1172 /* Check if we asked for `any' */
1173 if(dwrq
->flags
== 0) {
1174 /* Corey : can you do that ? */
1177 /* Check the size of the string */
1178 if(dwrq
->length
> IW_ESSID_MAX_SIZE
+ 1) {
1182 /* Set the ESSID in the card */
1183 memset(local
->sparm
.b5
.a_current_ess_id
, 0, IW_ESSID_MAX_SIZE
);
1184 memcpy(local
->sparm
.b5
.a_current_ess_id
, extra
, dwrq
->length
);
1187 return -EINPROGRESS
; /* Call commit handler */
1190 /*------------------------------------------------------------------*/
1192 * Wireless Handler : get ESSID
1194 static int ray_get_essid(struct net_device
*dev
,
1195 struct iw_request_info
*info
,
1196 struct iw_point
*dwrq
,
1199 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1201 /* Get the essid that was set */
1202 memcpy(extra
, local
->sparm
.b5
.a_current_ess_id
, IW_ESSID_MAX_SIZE
);
1203 extra
[IW_ESSID_MAX_SIZE
] = '\0';
1206 dwrq
->length
= strlen(extra
);
1207 dwrq
->flags
= 1; /* active */
1212 /*------------------------------------------------------------------*/
1214 * Wireless Handler : get AP address
1216 static int ray_get_wap(struct net_device
*dev
,
1217 struct iw_request_info
*info
,
1218 struct sockaddr
*awrq
,
1221 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1223 memcpy(awrq
->sa_data
, local
->bss_id
, ETH_ALEN
);
1224 awrq
->sa_family
= ARPHRD_ETHER
;
1229 /*------------------------------------------------------------------*/
1231 * Wireless Handler : set Bit-Rate
1233 static int ray_set_rate(struct net_device
*dev
,
1234 struct iw_request_info
*info
,
1235 struct iw_param
*vwrq
,
1238 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1240 /* Reject if card is already initialised */
1241 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1244 /* Check if rate is in range */
1245 if((vwrq
->value
!= 1000000) && (vwrq
->value
!= 2000000))
1248 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1249 if((local
->fw_ver
== 0x55) && /* Please check */
1250 (vwrq
->value
== 2000000))
1251 local
->net_default_tx_rate
= 3;
1253 local
->net_default_tx_rate
= vwrq
->value
/500000;
1258 /*------------------------------------------------------------------*/
1260 * Wireless Handler : get Bit-Rate
1262 static int ray_get_rate(struct net_device
*dev
,
1263 struct iw_request_info
*info
,
1264 struct iw_param
*vwrq
,
1267 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1269 if(local
->net_default_tx_rate
== 3)
1270 vwrq
->value
= 2000000; /* Hum... */
1272 vwrq
->value
= local
->net_default_tx_rate
* 500000;
1273 vwrq
->fixed
= 0; /* We are in auto mode */
1278 /*------------------------------------------------------------------*/
1280 * Wireless Handler : set RTS threshold
1282 static int ray_set_rts(struct net_device
*dev
,
1283 struct iw_request_info
*info
,
1284 struct iw_param
*vwrq
,
1287 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1288 int rthr
= vwrq
->value
;
1290 /* Reject if card is already initialised */
1291 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1294 /* if(wrq->u.rts.fixed == 0) we should complain */
1298 if((rthr
< 0) || (rthr
> 2347)) /* What's the max packet size ??? */
1301 local
->sparm
.b5
.a_rts_threshold
[0] = (rthr
>> 8) & 0xFF;
1302 local
->sparm
.b5
.a_rts_threshold
[1] = rthr
& 0xFF;
1304 return -EINPROGRESS
; /* Call commit handler */
1308 /*------------------------------------------------------------------*/
1310 * Wireless Handler : get RTS threshold
1312 static int ray_get_rts(struct net_device
*dev
,
1313 struct iw_request_info
*info
,
1314 struct iw_param
*vwrq
,
1317 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1319 vwrq
->value
= (local
->sparm
.b5
.a_rts_threshold
[0] << 8)
1320 + local
->sparm
.b5
.a_rts_threshold
[1];
1321 vwrq
->disabled
= (vwrq
->value
== 32767);
1327 /*------------------------------------------------------------------*/
1329 * Wireless Handler : set Fragmentation threshold
1331 static int ray_set_frag(struct net_device
*dev
,
1332 struct iw_request_info
*info
,
1333 struct iw_param
*vwrq
,
1336 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1337 int fthr
= vwrq
->value
;
1339 /* Reject if card is already initialised */
1340 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1343 /* if(wrq->u.frag.fixed == 0) should complain */
1347 if((fthr
< 256) || (fthr
> 2347)) /* To check out ! */
1350 local
->sparm
.b5
.a_frag_threshold
[0] = (fthr
>> 8) & 0xFF;
1351 local
->sparm
.b5
.a_frag_threshold
[1] = fthr
& 0xFF;
1353 return -EINPROGRESS
; /* Call commit handler */
1356 /*------------------------------------------------------------------*/
1358 * Wireless Handler : get Fragmentation threshold
1360 static int ray_get_frag(struct net_device
*dev
,
1361 struct iw_request_info
*info
,
1362 struct iw_param
*vwrq
,
1365 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1367 vwrq
->value
= (local
->sparm
.b5
.a_frag_threshold
[0] << 8)
1368 + local
->sparm
.b5
.a_frag_threshold
[1];
1369 vwrq
->disabled
= (vwrq
->value
== 32767);
1375 /*------------------------------------------------------------------*/
1377 * Wireless Handler : set Mode of Operation
1379 static int ray_set_mode(struct net_device
*dev
,
1380 struct iw_request_info
*info
,
1384 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1385 int err
= -EINPROGRESS
; /* Call commit handler */
1388 /* Reject if card is already initialised */
1389 if(local
->card_status
!= CARD_AWAITING_PARAM
)
1398 local
->sparm
.b5
.a_network_type
= card_mode
;
1407 /*------------------------------------------------------------------*/
1409 * Wireless Handler : get Mode of Operation
1411 static int ray_get_mode(struct net_device
*dev
,
1412 struct iw_request_info
*info
,
1416 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1418 if(local
->sparm
.b5
.a_network_type
)
1419 *uwrq
= IW_MODE_INFRA
;
1421 *uwrq
= IW_MODE_ADHOC
;
1426 /*------------------------------------------------------------------*/
1428 * Wireless Handler : get range info
1430 static int ray_get_range(struct net_device
*dev
,
1431 struct iw_request_info
*info
,
1432 struct iw_point
*dwrq
,
1435 struct iw_range
*range
= (struct iw_range
*) extra
;
1437 memset((char *) range
, 0, sizeof(struct iw_range
));
1439 /* Set the length (very important for backward compatibility) */
1440 dwrq
->length
= sizeof(struct iw_range
);
1442 /* Set the Wireless Extension versions */
1443 range
->we_version_compiled
= WIRELESS_EXT
;
1444 range
->we_version_source
= 9;
1446 /* Set information in the range struct */
1447 range
->throughput
= 1.1 * 1000 * 1000; /* Put the right number here */
1448 range
->num_channels
= hop_pattern_length
[(int)country
];
1449 range
->num_frequency
= 0;
1450 range
->max_qual
.qual
= 0;
1451 range
->max_qual
.level
= 255; /* What's the correct value ? */
1452 range
->max_qual
.noise
= 255; /* Idem */
1453 range
->num_bitrates
= 2;
1454 range
->bitrate
[0] = 1000000; /* 1 Mb/s */
1455 range
->bitrate
[1] = 2000000; /* 2 Mb/s */
1459 /*------------------------------------------------------------------*/
1461 * Wireless Private Handler : set framing mode
1463 static int ray_set_framing(struct net_device
*dev
,
1464 struct iw_request_info
*info
,
1465 union iwreq_data
*wrqu
,
1468 translate
= *(extra
); /* Set framing mode */
1473 /*------------------------------------------------------------------*/
1475 * Wireless Private Handler : get framing mode
1477 static int ray_get_framing(struct net_device
*dev
,
1478 struct iw_request_info
*info
,
1479 union iwreq_data
*wrqu
,
1482 *(extra
) = translate
;
1487 /*------------------------------------------------------------------*/
1489 * Wireless Private Handler : get country
1491 static int ray_get_country(struct net_device
*dev
,
1492 struct iw_request_info
*info
,
1493 union iwreq_data
*wrqu
,
1501 /*------------------------------------------------------------------*/
1503 * Commit handler : called after a bunch of SET operations
1505 static int ray_commit(struct net_device
*dev
,
1506 struct iw_request_info
*info
, /* NULL */
1507 void *zwrq
, /* NULL */
1508 char *extra
) /* NULL */
1513 /*------------------------------------------------------------------*/
1515 * Stats handler : return Wireless Stats
1517 static iw_stats
* ray_get_wireless_stats(struct net_device
* dev
)
1519 ray_dev_t
* local
= (ray_dev_t
*) dev
->priv
;
1520 struct pcmcia_device
*link
= local
->finder
;
1521 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1523 if(local
== (ray_dev_t
*) NULL
)
1524 return (iw_stats
*) NULL
;
1526 local
->wstats
.status
= local
->card_status
;
1528 if((local
->spy_data
.spy_number
> 0) && (local
->sparm
.b5
.a_network_type
== 0))
1530 /* Get it from the first node in spy list */
1531 local
->wstats
.qual
.qual
= local
->spy_data
.spy_stat
[0].qual
;
1532 local
->wstats
.qual
.level
= local
->spy_data
.spy_stat
[0].level
;
1533 local
->wstats
.qual
.noise
= local
->spy_data
.spy_stat
[0].noise
;
1534 local
->wstats
.qual
.updated
= local
->spy_data
.spy_stat
[0].updated
;
1536 #endif /* WIRELESS_SPY */
1538 if(pcmcia_dev_present(link
)) {
1539 local
->wstats
.qual
.noise
= readb(&p
->rxnoise
);
1540 local
->wstats
.qual
.updated
|= 4;
1543 return &local
->wstats
;
1544 } /* end ray_get_wireless_stats */
1546 /*------------------------------------------------------------------*/
1548 * Structures to export the Wireless Handlers
1551 static const iw_handler ray_handler
[] = {
1552 [SIOCSIWCOMMIT
-SIOCIWFIRST
] = (iw_handler
) ray_commit
,
1553 [SIOCGIWNAME
-SIOCIWFIRST
] = (iw_handler
) ray_get_name
,
1554 [SIOCSIWFREQ
-SIOCIWFIRST
] = (iw_handler
) ray_set_freq
,
1555 [SIOCGIWFREQ
-SIOCIWFIRST
] = (iw_handler
) ray_get_freq
,
1556 [SIOCSIWMODE
-SIOCIWFIRST
] = (iw_handler
) ray_set_mode
,
1557 [SIOCGIWMODE
-SIOCIWFIRST
] = (iw_handler
) ray_get_mode
,
1558 [SIOCGIWRANGE
-SIOCIWFIRST
] = (iw_handler
) ray_get_range
,
1560 [SIOCSIWSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_set_spy
,
1561 [SIOCGIWSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_get_spy
,
1562 [SIOCSIWTHRSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_set_thrspy
,
1563 [SIOCGIWTHRSPY
-SIOCIWFIRST
] = (iw_handler
) iw_handler_get_thrspy
,
1564 #endif /* WIRELESS_SPY */
1565 [SIOCGIWAP
-SIOCIWFIRST
] = (iw_handler
) ray_get_wap
,
1566 [SIOCSIWESSID
-SIOCIWFIRST
] = (iw_handler
) ray_set_essid
,
1567 [SIOCGIWESSID
-SIOCIWFIRST
] = (iw_handler
) ray_get_essid
,
1568 [SIOCSIWRATE
-SIOCIWFIRST
] = (iw_handler
) ray_set_rate
,
1569 [SIOCGIWRATE
-SIOCIWFIRST
] = (iw_handler
) ray_get_rate
,
1570 [SIOCSIWRTS
-SIOCIWFIRST
] = (iw_handler
) ray_set_rts
,
1571 [SIOCGIWRTS
-SIOCIWFIRST
] = (iw_handler
) ray_get_rts
,
1572 [SIOCSIWFRAG
-SIOCIWFIRST
] = (iw_handler
) ray_set_frag
,
1573 [SIOCGIWFRAG
-SIOCIWFIRST
] = (iw_handler
) ray_get_frag
,
1576 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1577 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1578 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1580 static const iw_handler ray_private_handler
[] = {
1581 [0] = (iw_handler
) ray_set_framing
,
1582 [1] = (iw_handler
) ray_get_framing
,
1583 [3] = (iw_handler
) ray_get_country
,
1586 static const struct iw_priv_args ray_private_args
[] = {
1587 /* cmd, set_args, get_args, name */
1588 { SIOCSIPFRAMING
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, 0, "set_framing" },
1589 { SIOCGIPFRAMING
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, "get_framing" },
1590 { SIOCGIPCOUNTRY
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, "get_country" },
1593 static const struct iw_handler_def ray_handler_def
=
1595 .num_standard
= sizeof(ray_handler
)/sizeof(iw_handler
),
1596 .num_private
= sizeof(ray_private_handler
)/sizeof(iw_handler
),
1597 .num_private_args
= sizeof(ray_private_args
)/sizeof(struct iw_priv_args
),
1598 .standard
= ray_handler
,
1599 .private = ray_private_handler
,
1600 .private_args
= ray_private_args
,
1601 .get_wireless_stats
= ray_get_wireless_stats
,
1604 /*===========================================================================*/
1605 static int ray_open(struct net_device
*dev
)
1607 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1608 struct pcmcia_device
*link
;
1609 link
= local
->finder
;
1611 DEBUG(1, "ray_open('%s')\n", dev
->name
);
1613 if (link
->open
== 0)
1614 local
->num_multi
= 0;
1617 /* If the card is not started, time to start it ! - Jean II */
1618 if(local
->card_status
== CARD_AWAITING_PARAM
) {
1621 DEBUG(1,"ray_open: doing init now !\n");
1623 /* Download startup parameters */
1624 if ( (i
= dl_startup_params(dev
)) < 0)
1626 printk(KERN_INFO
"ray_dev_init dl_startup_params failed - "
1627 "returns 0x%x\n",i
);
1632 if (sniffer
) netif_stop_queue(dev
);
1633 else netif_start_queue(dev
);
1635 DEBUG(2,"ray_open ending\n");
1637 } /* end ray_open */
1638 /*===========================================================================*/
1639 static int ray_dev_close(struct net_device
*dev
)
1641 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1642 struct pcmcia_device
*link
;
1643 link
= local
->finder
;
1645 DEBUG(1, "ray_dev_close('%s')\n", dev
->name
);
1648 netif_stop_queue(dev
);
1650 /* In here, we should stop the hardware (stop card from beeing active)
1651 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1652 * card is closed we can chage its configuration.
1653 * Probably also need a COR reset to get sane state - Jean II */
1656 } /* end ray_dev_close */
1657 /*===========================================================================*/
1658 static void ray_reset(struct net_device
*dev
) {
1659 DEBUG(1,"ray_reset entered\n");
1662 /*===========================================================================*/
1663 /* Cause a firmware interrupt if it is ready for one */
1664 /* Return nonzero if not ready */
1665 static int interrupt_ecf(ray_dev_t
*local
, int ccs
)
1668 struct pcmcia_device
*link
= local
->finder
;
1670 if (!(pcmcia_dev_present(link
))) {
1671 DEBUG(2,"ray_cs interrupt_ecf - device not present\n");
1674 DEBUG(2,"interrupt_ecf(local=%p, ccs = 0x%x\n",local
,ccs
);
1677 (readb(local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
) & ECF_INTR_SET
))
1680 DEBUG(2,"ray_cs interrupt_ecf card not ready for interrupt\n");
1683 /* Fill the mailbox, then kick the card */
1684 writeb(ccs
, local
->sram
+ SCB_BASE
);
1685 writeb(ECF_INTR_SET
, local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
);
1687 } /* interrupt_ecf */
1688 /*===========================================================================*/
1689 /* Get next free transmit CCS */
1690 /* Return - index of current tx ccs */
1691 static int get_free_tx_ccs(ray_dev_t
*local
)
1694 struct ccs __iomem
*pccs
= ccs_base(local
);
1695 struct pcmcia_device
*link
= local
->finder
;
1697 if (!(pcmcia_dev_present(link
))) {
1698 DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n");
1702 if (test_and_set_bit(0,&local
->tx_ccs_lock
)) {
1703 DEBUG(1,"ray_cs tx_ccs_lock busy\n");
1707 for (i
=0; i
< NUMBER_OF_TX_CCS
; i
++) {
1708 if (readb(&(pccs
+i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1709 writeb(CCS_BUFFER_BUSY
, &(pccs
+i
)->buffer_status
);
1710 writeb(CCS_END_LIST
, &(pccs
+i
)->link
);
1711 local
->tx_ccs_lock
= 0;
1715 local
->tx_ccs_lock
= 0;
1716 DEBUG(2,"ray_cs ERROR no free tx CCS for raylink card\n");
1718 } /* get_free_tx_ccs */
1719 /*===========================================================================*/
1720 /* Get next free CCS */
1721 /* Return - index of current ccs */
1722 static int get_free_ccs(ray_dev_t
*local
)
1725 struct ccs __iomem
*pccs
= ccs_base(local
);
1726 struct pcmcia_device
*link
= local
->finder
;
1728 if (!(pcmcia_dev_present(link
))) {
1729 DEBUG(2,"ray_cs get_free_ccs - device not present\n");
1732 if (test_and_set_bit(0,&local
->ccs_lock
)) {
1733 DEBUG(1,"ray_cs ccs_lock busy\n");
1737 for (i
= NUMBER_OF_TX_CCS
; i
< NUMBER_OF_CCS
; i
++) {
1738 if (readb(&(pccs
+i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1739 writeb(CCS_BUFFER_BUSY
, &(pccs
+i
)->buffer_status
);
1740 writeb(CCS_END_LIST
, &(pccs
+i
)->link
);
1741 local
->ccs_lock
= 0;
1745 local
->ccs_lock
= 0;
1746 DEBUG(1,"ray_cs ERROR no free CCS for raylink card\n");
1748 } /* get_free_ccs */
1749 /*===========================================================================*/
1750 static void authenticate_timeout(u_long data
)
1752 ray_dev_t
*local
= (ray_dev_t
*)data
;
1753 del_timer(&local
->timer
);
1754 printk(KERN_INFO
"ray_cs Authentication with access point failed"
1756 join_net((u_long
)local
);
1758 /*===========================================================================*/
1759 static int asc_to_int(char a
)
1761 if (a
< '0') return -1;
1762 if (a
<= '9') return (a
- '0');
1763 if (a
< 'A') return -1;
1764 if (a
<= 'F') return (10 + a
- 'A');
1765 if (a
< 'a') return -1;
1766 if (a
<= 'f') return (10 + a
- 'a');
1769 /*===========================================================================*/
1770 static int parse_addr(char *in_str
, UCHAR
*out
)
1776 if (in_str
== NULL
) return 0;
1777 if ((len
= strlen(in_str
)) < 2) return 0;
1778 memset(out
, 0, ADDRLEN
);
1787 if ((k
= asc_to_int(in_str
[j
--])) != -1) out
[i
] = k
;
1791 if ((k
= asc_to_int(in_str
[j
--])) != -1) out
[i
] += k
<< 4;
1797 /*===========================================================================*/
1798 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
)
1800 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1801 struct pcmcia_device
*link
= local
->finder
;
1802 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1803 if (!(pcmcia_dev_present(link
))) {
1804 DEBUG(2,"ray_cs net_device_stats - device not present\n");
1805 return &local
->stats
;
1807 if (readb(&p
->mrx_overflow_for_host
))
1809 local
->stats
.rx_over_errors
+= ntohs(readb(&p
->mrx_overflow
));
1810 writeb(0,&p
->mrx_overflow
);
1811 writeb(0,&p
->mrx_overflow_for_host
);
1813 if (readb(&p
->mrx_checksum_error_for_host
))
1815 local
->stats
.rx_crc_errors
+= ntohs(readb(&p
->mrx_checksum_error
));
1816 writeb(0,&p
->mrx_checksum_error
);
1817 writeb(0,&p
->mrx_checksum_error_for_host
);
1819 if (readb(&p
->rx_hec_error_for_host
))
1821 local
->stats
.rx_frame_errors
+= ntohs(readb(&p
->rx_hec_error
));
1822 writeb(0,&p
->rx_hec_error
);
1823 writeb(0,&p
->rx_hec_error_for_host
);
1825 return &local
->stats
;
1827 /*===========================================================================*/
1828 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
, int len
)
1830 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1831 struct pcmcia_device
*link
= local
->finder
;
1834 struct ccs __iomem
*pccs
;
1836 if (!(pcmcia_dev_present(link
))) {
1837 DEBUG(2,"ray_update_parm - device not present\n");
1841 if ((ccsindex
= get_free_ccs(local
)) < 0)
1843 DEBUG(0,"ray_update_parm - No free ccs\n");
1846 pccs
= ccs_base(local
) + ccsindex
;
1847 writeb(CCS_UPDATE_PARAMS
, &pccs
->cmd
);
1848 writeb(objid
, &pccs
->var
.update_param
.object_id
);
1849 writeb(1, &pccs
->var
.update_param
.number_objects
);
1850 writeb(0, &pccs
->var
.update_param
.failure_cause
);
1851 for (i
=0; i
<len
; i
++) {
1852 writeb(value
[i
], local
->sram
+ HOST_TO_ECF_BASE
);
1854 /* Interrupt the firmware to process the command */
1855 if (interrupt_ecf(local
, ccsindex
)) {
1856 DEBUG(0,"ray_cs associate failed - ECF not ready for intr\n");
1857 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1860 /*===========================================================================*/
1861 static void ray_update_multi_list(struct net_device
*dev
, int all
)
1863 struct dev_mc_list
*dmi
, **dmip
;
1865 struct ccs __iomem
*pccs
;
1867 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1868 struct pcmcia_device
*link
= local
->finder
;
1869 void __iomem
*p
= local
->sram
+ HOST_TO_ECF_BASE
;
1871 if (!(pcmcia_dev_present(link
))) {
1872 DEBUG(2,"ray_update_multi_list - device not present\n");
1876 DEBUG(2,"ray_update_multi_list(%p)\n",dev
);
1877 if ((ccsindex
= get_free_ccs(local
)) < 0)
1879 DEBUG(1,"ray_update_multi - No free ccs\n");
1882 pccs
= ccs_base(local
) + ccsindex
;
1883 writeb(CCS_UPDATE_MULTICAST_LIST
, &pccs
->cmd
);
1886 writeb(0xff, &pccs
->var
);
1887 local
->num_multi
= 0xff;
1890 /* Copy the kernel's list of MC addresses to card */
1891 for (dmip
=&dev
->mc_list
; (dmi
=*dmip
)!=NULL
; dmip
=&dmi
->next
) {
1892 memcpy_toio(p
, dmi
->dmi_addr
, ETH_ALEN
);
1893 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]);
1897 if (i
> 256/ADDRLEN
) i
= 256/ADDRLEN
;
1898 writeb((UCHAR
)i
, &pccs
->var
);
1899 DEBUG(1,"ray_cs update_multi %d addresses in list\n", i
);
1900 /* Interrupt the firmware to process the command */
1901 local
->num_multi
= i
;
1903 if (interrupt_ecf(local
, ccsindex
)) {
1904 DEBUG(1,"ray_cs update_multi failed - ECF not ready for intr\n");
1905 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1907 } /* end ray_update_multi_list */
1908 /*===========================================================================*/
1909 static void set_multicast_list(struct net_device
*dev
)
1911 ray_dev_t
*local
= (ray_dev_t
*)dev
->priv
;
1914 DEBUG(2,"ray_cs set_multicast_list(%p)\n",dev
);
1916 if (dev
->flags
& IFF_PROMISC
)
1918 if (local
->sparm
.b5
.a_promiscuous_mode
== 0) {
1919 DEBUG(1,"ray_cs set_multicast_list promisc on\n");
1920 local
->sparm
.b5
.a_promiscuous_mode
= 1;
1922 ray_update_parm(dev
, OBJID_promiscuous_mode
, \
1923 &promisc
, sizeof(promisc
));
1927 if (local
->sparm
.b5
.a_promiscuous_mode
== 1) {
1928 DEBUG(1,"ray_cs set_multicast_list promisc off\n");
1929 local
->sparm
.b5
.a_promiscuous_mode
= 0;
1931 ray_update_parm(dev
, OBJID_promiscuous_mode
, \
1932 &promisc
, sizeof(promisc
));
1936 if (dev
->flags
& IFF_ALLMULTI
) ray_update_multi_list(dev
, 1);
1939 if (local
->num_multi
!= dev
->mc_count
) ray_update_multi_list(dev
, 0);
1941 } /* end set_multicast_list */
1942 /*=============================================================================
1943 * All routines below here are run at interrupt time.
1944 =============================================================================*/
1945 static irqreturn_t
ray_interrupt(int irq
, void *dev_id
, struct pt_regs
* regs
)
1947 struct net_device
*dev
= (struct net_device
*)dev_id
;
1948 struct pcmcia_device
*link
;
1950 struct ccs __iomem
*pccs
;
1951 struct rcs __iomem
*prcs
;
1957 if (dev
== NULL
) /* Note that we want interrupts with dev->start == 0 */
1960 DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev
);
1962 local
= (ray_dev_t
*)dev
->priv
;
1963 link
= (struct pcmcia_device
*)local
->finder
;
1964 if (!(pcmcia_dev_present(link
)) || link
->suspended
) {
1965 DEBUG(2,"ray_cs interrupt from device not present or suspended.\n");
1968 rcsindex
= readb(&((struct scb __iomem
*)(local
->sram
))->rcs_index
);
1970 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
))
1972 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex
);
1973 clear_interrupt(local
);
1976 if (rcsindex
< NUMBER_OF_CCS
) /* If it's a returned CCS */
1978 pccs
= ccs_base(local
) + rcsindex
;
1979 cmd
= readb(&pccs
->cmd
);
1980 status
= readb(&pccs
->buffer_status
);
1983 case CCS_DOWNLOAD_STARTUP_PARAMS
: /* Happens in firmware someday */
1984 del_timer(&local
->timer
);
1985 if (status
== CCS_COMMAND_COMPLETE
) {
1986 DEBUG(1,"ray_cs interrupt download_startup_parameters OK\n");
1989 DEBUG(1,"ray_cs interrupt download_startup_parameters fail\n");
1992 case CCS_UPDATE_PARAMS
:
1993 DEBUG(1,"ray_cs interrupt update params done\n");
1994 if (status
!= CCS_COMMAND_COMPLETE
) {
1995 tmp
= readb(&pccs
->var
.update_param
.failure_cause
);
1996 DEBUG(0,"ray_cs interrupt update params failed - reason %d\n",tmp
);
1999 case CCS_REPORT_PARAMS
:
2000 DEBUG(1,"ray_cs interrupt report params done\n");
2002 case CCS_UPDATE_MULTICAST_LIST
: /* Note that this CCS isn't returned */
2003 DEBUG(1,"ray_cs interrupt CCS Update Multicast List done\n");
2005 case CCS_UPDATE_POWER_SAVINGS_MODE
:
2006 DEBUG(1,"ray_cs interrupt update power save mode done\n");
2008 case CCS_START_NETWORK
:
2009 case CCS_JOIN_NETWORK
:
2010 if (status
== CCS_COMMAND_COMPLETE
) {
2011 if (readb(&pccs
->var
.start_network
.net_initiated
) == 1) {
2012 DEBUG(0,"ray_cs interrupt network \"%s\" started\n",\
2013 local
->sparm
.b4
.a_current_ess_id
);
2016 DEBUG(0,"ray_cs interrupt network \"%s\" joined\n",\
2017 local
->sparm
.b4
.a_current_ess_id
);
2019 memcpy_fromio(&local
->bss_id
,pccs
->var
.start_network
.bssid
,ADDRLEN
);
2021 if (local
->fw_ver
== 0x55) local
->net_default_tx_rate
= 3;
2022 else local
->net_default_tx_rate
=
2023 readb(&pccs
->var
.start_network
.net_default_tx_rate
);
2024 local
->encryption
= readb(&pccs
->var
.start_network
.encryption
);
2025 if (!sniffer
&& (local
->net_type
== INFRA
)
2026 && !(local
->sparm
.b4
.a_acting_as_ap_status
)) {
2027 authenticate(local
);
2029 local
->card_status
= CARD_ACQ_COMPLETE
;
2032 local
->card_status
= CARD_ACQ_FAILED
;
2034 del_timer(&local
->timer
);
2035 local
->timer
.expires
= jiffies
+ HZ
*5;
2036 local
->timer
.data
= (long)local
;
2037 if (status
== CCS_START_NETWORK
) {
2038 DEBUG(0,"ray_cs interrupt network \"%s\" start failed\n",\
2039 local
->sparm
.b4
.a_current_ess_id
);
2040 local
->timer
.function
= &start_net
;
2043 DEBUG(0,"ray_cs interrupt network \"%s\" join failed\n",\
2044 local
->sparm
.b4
.a_current_ess_id
);
2045 local
->timer
.function
= &join_net
;
2047 add_timer(&local
->timer
);
2050 case CCS_START_ASSOCIATION
:
2051 if (status
== CCS_COMMAND_COMPLETE
) {
2052 local
->card_status
= CARD_ASSOC_COMPLETE
;
2053 DEBUG(0,"ray_cs association successful\n");
2057 DEBUG(0,"ray_cs association failed,\n");
2058 local
->card_status
= CARD_ASSOC_FAILED
;
2059 join_net((u_long
)local
);
2062 case CCS_TX_REQUEST
:
2063 if (status
== CCS_COMMAND_COMPLETE
) {
2064 DEBUG(3,"ray_cs interrupt tx request complete\n");
2067 DEBUG(1,"ray_cs interrupt tx request failed\n");
2069 if (!sniffer
) netif_start_queue(dev
);
2070 netif_wake_queue(dev
);
2072 case CCS_TEST_MEMORY
:
2073 DEBUG(1,"ray_cs interrupt mem test done\n");
2076 DEBUG(1,"ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2078 case CCS_DUMP_MEMORY
:
2079 DEBUG(1,"ray_cs interrupt dump memory done\n");
2081 case CCS_START_TIMER
:
2082 DEBUG(2,"ray_cs interrupt DING - raylink timer expired\n");
2085 DEBUG(1,"ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",\
2088 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
2090 else /* It's an RCS */
2092 prcs
= rcs_base(local
) + rcsindex
;
2094 switch (readb(&prcs
->interrupt_id
))
2096 case PROCESS_RX_PACKET
:
2097 ray_rx(dev
, local
, prcs
);
2099 case REJOIN_NET_COMPLETE
:
2100 DEBUG(1,"ray_cs interrupt rejoin net complete\n");
2101 local
->card_status
= CARD_ACQ_COMPLETE
;
2102 /* do we need to clear tx buffers CCS's? */
2103 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2104 if (!sniffer
) netif_start_queue(dev
);
2107 memcpy_fromio(&local
->bss_id
, prcs
->var
.rejoin_net_complete
.bssid
, ADDRLEN
);
2108 DEBUG(1,"ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",\
2109 local
->bss_id
[0], local
->bss_id
[1], local
->bss_id
[2],\
2110 local
->bss_id
[3], local
->bss_id
[4], local
->bss_id
[5]);
2111 if (!sniffer
) authenticate(local
);
2114 case ROAMING_INITIATED
:
2115 DEBUG(1,"ray_cs interrupt roaming initiated\n");
2116 netif_stop_queue(dev
);
2117 local
->card_status
= CARD_DOING_ACQ
;
2119 case JAPAN_CALL_SIGN_RXD
:
2120 DEBUG(1,"ray_cs interrupt japan call sign rx\n");
2123 DEBUG(1,"ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",\
2124 rcsindex
, (unsigned int) readb(&prcs
->interrupt_id
));
2127 writeb(CCS_BUFFER_FREE
, &prcs
->buffer_status
);
2129 clear_interrupt(local
);
2131 } /* ray_interrupt */
2132 /*===========================================================================*/
2133 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
, struct rcs __iomem
*prcs
)
2136 unsigned int pkt_addr
;
2138 DEBUG(4,"ray_rx process rx packet\n");
2140 /* Calculate address of packet within Rx buffer */
2141 pkt_addr
= ((readb(&prcs
->var
.rx_packet
.rx_data_ptr
[0]) << 8)
2142 + readb(&prcs
->var
.rx_packet
.rx_data_ptr
[1])) & RX_BUFF_END
;
2143 /* Length of first packet fragment */
2144 rx_len
= (readb(&prcs
->var
.rx_packet
.rx_data_length
[0]) << 8)
2145 + readb(&prcs
->var
.rx_packet
.rx_data_length
[1]);
2147 local
->last_rsl
= readb(&prcs
->var
.rx_packet
.rx_sig_lev
);
2148 pmsg
= local
->rmem
+ pkt_addr
;
2152 DEBUG(4,"ray_rx data type\n");
2153 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2155 case AUTHENTIC_TYPE
:
2156 DEBUG(4,"ray_rx authentic type\n");
2157 if (sniffer
) rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2158 else rx_authenticate(local
, prcs
, pkt_addr
, rx_len
);
2160 case DEAUTHENTIC_TYPE
:
2161 DEBUG(4,"ray_rx deauth type\n");
2162 if (sniffer
) rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2163 else rx_deauthenticate(local
, prcs
, pkt_addr
, rx_len
);
2166 DEBUG(3,"ray_cs rx NULL msg\n");
2169 DEBUG(4,"ray_rx beacon type\n");
2170 if (sniffer
) rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2172 copy_from_rx_buff(local
, (UCHAR
*)&local
->last_bcn
, pkt_addr
,
2173 rx_len
< sizeof(struct beacon_rx
) ?
2174 rx_len
: sizeof(struct beacon_rx
));
2176 local
->beacon_rxed
= 1;
2177 /* Get the statistics so the card counters never overflow */
2181 DEBUG(0,"ray_cs unknown pkt type %2x\n", (unsigned int) readb(pmsg
));
2186 /*===========================================================================*/
2187 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
, unsigned int pkt_addr
,
2190 struct sk_buff
*skb
= NULL
;
2191 struct rcs __iomem
*prcslink
= prcs
;
2192 ray_dev_t
*local
= dev
->priv
;
2197 int siglev
= local
->last_rsl
;
2198 u_char linksrcaddr
[ETH_ALEN
]; /* Other end of the wireless link */
2203 /* TBD length needs fixing for translated header */
2204 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2205 rx_len
> (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+ FCS_LEN
))
2207 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len
);
2211 else /* encapsulated ethernet */ {
2212 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2213 rx_len
> (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+ FCS_LEN
))
2215 DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len
);
2220 DEBUG(4,"ray_cs rx_data packet\n");
2221 /* If fragmented packet, verify sizes of fragments add up */
2222 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2223 DEBUG(1,"ray_cs rx'ed fragment\n");
2224 tmp
= (readb(&prcs
->var
.rx_packet
.totalpacketlength
[0]) << 8)
2225 + readb(&prcs
->var
.rx_packet
.totalpacketlength
[1]);
2229 tmp
-= (readb(&prcslink
->var
.rx_packet
.rx_data_length
[0]) << 8)
2230 + readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]);
2231 if (readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
) == 0xFF
2233 prcslink
= rcs_base(local
)
2234 + readb(&prcslink
->link_field
);
2239 DEBUG(0,"ray_cs rx_data fragment lengths don't add up\n");
2240 local
->stats
.rx_dropped
++;
2241 release_frag_chain(local
, prcs
);
2245 else { /* Single unfragmented packet */
2249 skb
= dev_alloc_skb( total_len
+5 );
2252 DEBUG(0,"ray_cs rx_data could not allocate skb\n");
2253 local
->stats
.rx_dropped
++;
2254 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF)
2255 release_frag_chain(local
, prcs
);
2258 skb_reserve( skb
, 2); /* Align IP on 16 byte (TBD check this)*/
2261 DEBUG(4,"ray_cs rx_data total_len = %x, rx_len = %x\n",total_len
,rx_len
);
2263 /************************/
2264 /* Reserve enough room for the whole damn packet. */
2265 rx_ptr
= skb_put( skb
, total_len
);
2266 /* Copy the whole packet to sk_buff */
2267 rx_ptr
+= copy_from_rx_buff(local
, rx_ptr
, pkt_addr
& RX_BUFF_END
, rx_len
);
2268 /* Get source address */
2270 memcpy(linksrcaddr
, ((struct mac_header
*)skb
->data
)->addr_2
, ETH_ALEN
);
2272 /* Now, deal with encapsulation/translation/sniffer */
2275 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2276 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2277 skb_pull( skb
, RX_MAC_HEADER_LENGTH
);
2280 /* Do translation */
2281 untranslate(local
, skb
, total_len
);
2285 { /* sniffer mode, so just pass whole packet */ };
2287 /************************/
2288 /* Now pick up the rest of the fragments if any */
2290 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2292 DEBUG(1,"ray_cs rx_data in fragment loop\n");
2294 prcslink
= rcs_base(local
)
2295 + readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2296 rx_len
= (( readb(&prcslink
->var
.rx_packet
.rx_data_length
[0]) << 8)
2297 + readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]))
2299 pkt_addr
= (( readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[0]) << 8)
2300 + readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[1]))
2303 rx_ptr
+= copy_from_rx_buff(local
, rx_ptr
, pkt_addr
, rx_len
);
2306 readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF);
2307 release_frag_chain(local
, prcs
);
2310 skb
->protocol
= eth_type_trans(skb
,dev
);
2312 dev
->last_rx
= jiffies
;
2313 local
->stats
.rx_packets
++;
2314 local
->stats
.rx_bytes
+= total_len
;
2316 /* Gather signal strength per address */
2318 /* For the Access Point or the node having started the ad-hoc net
2319 * note : ad-hoc work only in some specific configurations, but we
2320 * kludge in ray_get_wireless_stats... */
2321 if(!memcmp(linksrcaddr
, local
->bss_id
, ETH_ALEN
))
2323 /* Update statistics */
2324 /*local->wstats.qual.qual = none ? */
2325 local
->wstats
.qual
.level
= siglev
;
2326 /*local->wstats.qual.noise = none ? */
2327 local
->wstats
.qual
.updated
= 0x2;
2329 /* Now, update the spy stuff */
2331 struct iw_quality wstats
;
2332 wstats
.level
= siglev
;
2333 /* wstats.noise = none ? */
2334 /* wstats.qual = none ? */
2335 wstats
.updated
= 0x2;
2336 /* Update spy records */
2337 wireless_spy_update(dev
, linksrcaddr
, &wstats
);
2339 #endif /* WIRELESS_SPY */
2341 /*===========================================================================*/
2342 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
)
2344 snaphdr_t
*psnap
= (snaphdr_t
*)(skb
->data
+ RX_MAC_HEADER_LENGTH
);
2345 struct mac_header
*pmac
= (struct mac_header
*)skb
->data
;
2346 unsigned short type
= *(unsigned short *)psnap
->ethertype
;
2347 unsigned int xsap
= *(unsigned int *)psnap
& 0x00ffffff;
2348 unsigned int org
= (*(unsigned int *)psnap
->org
) & 0x00ffffff;
2350 struct ethhdr
*peth
;
2351 UCHAR srcaddr
[ADDRLEN
];
2352 UCHAR destaddr
[ADDRLEN
];
2354 if (pmac
->frame_ctl_2
& FC2_FROM_DS
) {
2355 if (pmac
->frame_ctl_2
& FC2_TO_DS
) { /* AP to AP */
2356 memcpy(destaddr
, pmac
->addr_3
, ADDRLEN
);
2357 memcpy(srcaddr
, ((unsigned char *)pmac
->addr_3
) + ADDRLEN
, ADDRLEN
);
2358 } else { /* AP to terminal */
2359 memcpy(destaddr
, pmac
->addr_1
, ADDRLEN
);
2360 memcpy(srcaddr
, pmac
->addr_3
, ADDRLEN
);
2362 } else { /* Terminal to AP */
2363 if (pmac
->frame_ctl_2
& FC2_TO_DS
) {
2364 memcpy(destaddr
, pmac
->addr_3
, ADDRLEN
);
2365 memcpy(srcaddr
, pmac
->addr_2
, ADDRLEN
);
2366 } else { /* Adhoc */
2367 memcpy(destaddr
, pmac
->addr_1
, ADDRLEN
);
2368 memcpy(srcaddr
, pmac
->addr_2
, ADDRLEN
);
2375 printk(KERN_DEBUG
"skb->data before untranslate");
2377 printk("%02x ",skb
->data
[i
]);
2378 printk("\n" KERN_DEBUG
"type = %08x, xsap = %08x, org = %08x\n",
2380 printk(KERN_DEBUG
"untranslate skb->data = %p\n",skb
->data
);
2384 if ( xsap
!= SNAP_ID
) {
2385 /* not a snap type so leave it alone */
2386 DEBUG(3,"ray_cs untranslate NOT SNAP %x\n", *(unsigned int *)psnap
& 0x00ffffff);
2388 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2389 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2390 peth
->h_proto
= htons(len
- RX_MAC_HEADER_LENGTH
);
2392 else { /* Its a SNAP */
2393 if (org
== BRIDGE_ENCAP
) { /* EtherII and nuke the LLC */
2394 DEBUG(3,"ray_cs untranslate Bridge encap\n");
2395 delta
= RX_MAC_HEADER_LENGTH
2396 + sizeof(struct snaphdr_t
) - ETH_HLEN
;
2397 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2398 peth
->h_proto
= type
;
2401 if (org
== RFC1042_ENCAP
) {
2405 DEBUG(3,"ray_cs untranslate RFC IPX/AARP\n");
2406 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2407 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2408 peth
->h_proto
= htons(len
- RX_MAC_HEADER_LENGTH
);
2411 DEBUG(3,"ray_cs untranslate RFC default\n");
2412 delta
= RX_MAC_HEADER_LENGTH
+
2413 sizeof(struct snaphdr_t
) - ETH_HLEN
;
2414 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2415 peth
->h_proto
= type
;
2420 printk("ray_cs untranslate very confused by packet\n");
2421 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2422 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2423 peth
->h_proto
= type
;
2427 /* TBD reserve skb_reserve(skb, delta); */
2428 skb_pull(skb
, delta
);
2429 DEBUG(3,"untranslate after skb_pull(%d), skb->data = %p\n",delta
,skb
->data
);
2430 memcpy(peth
->h_dest
, destaddr
, ADDRLEN
);
2431 memcpy(peth
->h_source
, srcaddr
, ADDRLEN
);
2435 printk(KERN_DEBUG
"skb->data after untranslate:");
2437 printk("%02x ",skb
->data
[i
]);
2441 } /* end untranslate */
2442 /*===========================================================================*/
2443 /* Copy data from circular receive buffer to PC memory.
2444 * dest = destination address in PC memory
2445 * pkt_addr = source address in receive buffer
2446 * len = length of packet to copy
2448 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
, int length
)
2450 int wrap_bytes
= (pkt_addr
+ length
) - (RX_BUFF_END
+ 1);
2451 if (wrap_bytes
<= 0)
2453 memcpy_fromio(dest
,local
->rmem
+ pkt_addr
,length
);
2455 else /* Packet wrapped in circular buffer */
2457 memcpy_fromio(dest
,local
->rmem
+pkt_addr
,length
- wrap_bytes
);
2458 memcpy_fromio(dest
+ length
- wrap_bytes
, local
->rmem
, wrap_bytes
);
2462 /*===========================================================================*/
2463 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
* prcs
)
2465 struct rcs __iomem
*prcslink
= prcs
;
2467 unsigned rcsindex
= readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
);
2470 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2471 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
)) {
2472 DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex
);
2475 prcslink
= rcs_base(local
) + rcsindex
;
2476 rcsindex
= readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2478 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2480 /*===========================================================================*/
2481 static void authenticate(ray_dev_t
*local
)
2483 struct pcmcia_device
*link
= local
->finder
;
2484 DEBUG(0,"ray_cs Starting authentication.\n");
2485 if (!(pcmcia_dev_present(link
))) {
2486 DEBUG(2,"ray_cs authenticate - device not present\n");
2490 del_timer(&local
->timer
);
2491 if (build_auth_frame(local
, local
->bss_id
, OPEN_AUTH_REQUEST
)) {
2492 local
->timer
.function
= &join_net
;
2495 local
->timer
.function
= &authenticate_timeout
;
2497 local
->timer
.expires
= jiffies
+ HZ
*2;
2498 local
->timer
.data
= (long)local
;
2499 add_timer(&local
->timer
);
2500 local
->authentication_state
= AWAITING_RESPONSE
;
2501 } /* end authenticate */
2502 /*===========================================================================*/
2503 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2504 unsigned int pkt_addr
, int rx_len
)
2507 struct rx_msg
*msg
= (struct rx_msg
*)buff
;
2509 del_timer(&local
->timer
);
2511 copy_from_rx_buff(local
, buff
, pkt_addr
, rx_len
& 0xff);
2512 /* if we are trying to get authenticated */
2513 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2514 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]);
2515 if (msg
->var
[2] == 1) {
2516 DEBUG(0,"ray_cs Sending authentication response.\n");
2517 if (!build_auth_frame (local
, msg
->mac
.addr_2
, OPEN_AUTH_RESPONSE
)) {
2518 local
->authentication_state
= NEED_TO_AUTH
;
2519 memcpy(local
->auth_id
, msg
->mac
.addr_2
, ADDRLEN
);
2523 else /* Infrastructure network */
2525 if (local
->authentication_state
== AWAITING_RESPONSE
) {
2526 /* Verify authentication sequence #2 and success */
2527 if (msg
->var
[2] == 2) {
2528 if ((msg
->var
[3] | msg
->var
[4]) == 0) {
2529 DEBUG(1,"Authentication successful\n");
2530 local
->card_status
= CARD_AUTH_COMPLETE
;
2532 local
->authentication_state
= AUTHENTICATED
;
2535 DEBUG(0,"Authentication refused\n");
2536 local
->card_status
= CARD_AUTH_REFUSED
;
2537 join_net((u_long
)local
);
2538 local
->authentication_state
= UNAUTHENTICATED
;
2544 } /* end rx_authenticate */
2545 /*===========================================================================*/
2546 static void associate(ray_dev_t
*local
)
2548 struct ccs __iomem
*pccs
;
2549 struct pcmcia_device
*link
= local
->finder
;
2550 struct net_device
*dev
= link
->priv
;
2552 if (!(pcmcia_dev_present(link
))) {
2553 DEBUG(2,"ray_cs associate - device not present\n");
2556 /* If no tx buffers available, return*/
2557 if ((ccsindex
= get_free_ccs(local
)) < 0)
2559 /* TBD should never be here but... what if we are? */
2560 DEBUG(1,"ray_cs associate - No free ccs\n");
2563 DEBUG(1,"ray_cs Starting association with access point\n");
2564 pccs
= ccs_base(local
) + ccsindex
;
2565 /* fill in the CCS */
2566 writeb(CCS_START_ASSOCIATION
, &pccs
->cmd
);
2567 /* Interrupt the firmware to process the command */
2568 if (interrupt_ecf(local
, ccsindex
)) {
2569 DEBUG(1,"ray_cs associate failed - ECF not ready for intr\n");
2570 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2572 del_timer(&local
->timer
);
2573 local
->timer
.expires
= jiffies
+ HZ
*2;
2574 local
->timer
.data
= (long)local
;
2575 local
->timer
.function
= &join_net
;
2576 add_timer(&local
->timer
);
2577 local
->card_status
= CARD_ASSOC_FAILED
;
2580 if (!sniffer
) netif_start_queue(dev
);
2582 } /* end associate */
2583 /*===========================================================================*/
2584 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2585 unsigned int pkt_addr
, int rx_len
)
2588 struct rx_msg *msg = (struct rx_msg *)buff;
2590 DEBUG(0,"Deauthentication frame received\n");
2591 local
->authentication_state
= UNAUTHENTICATED
;
2592 /* Need to reauthenticate or rejoin depending on reason code */
2593 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2596 /*===========================================================================*/
2597 static void clear_interrupt(ray_dev_t
*local
)
2599 writeb(0, local
->amem
+ CIS_OFFSET
+ HCS_INTR_OFFSET
);
2601 /*===========================================================================*/
2602 #ifdef CONFIG_PROC_FS
2603 #define MAXDATA (PAGE_SIZE - 80)
2605 static char *card_status
[] = {
2606 "Card inserted - uninitialized", /* 0 */
2607 "Card not downloaded", /* 1 */
2608 "Waiting for download parameters", /* 2 */
2609 "Card doing acquisition", /* 3 */
2610 "Acquisition complete", /* 4 */
2611 "Authentication complete", /* 5 */
2612 "Association complete", /* 6 */
2613 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2614 "Card init error", /* 11 */
2615 "Download parameters error", /* 12 */
2617 "Acquisition failed", /* 14 */
2618 "Authentication refused", /* 15 */
2619 "Association failed" /* 16 */
2622 static char *nettype
[] = {"Adhoc", "Infra "};
2623 static char *framing
[] = {"Encapsulation", "Translation"}
2625 /*===========================================================================*/
2626 static int ray_cs_proc_read(char *buf
, char **start
, off_t offset
, int len
)
2628 /* Print current values which are not available via other means
2632 struct pcmcia_device
*link
;
2633 struct net_device
*dev
;
2636 struct freq_hop_element
*pfh
;
2642 dev
= (struct net_device
*)link
->priv
;
2645 local
= (ray_dev_t
*)dev
->priv
;
2651 len
+= sprintf(buf
+ len
, "Raylink Wireless LAN driver status\n");
2652 len
+= sprintf(buf
+ len
, "%s\n", rcsid
);
2653 /* build 4 does not report version, and field is 0x55 after memtest */
2654 len
+= sprintf(buf
+ len
, "Firmware version = ");
2655 if (local
->fw_ver
== 0x55)
2656 len
+= sprintf(buf
+ len
, "4 - Use dump_cis for more details\n");
2658 len
+= sprintf(buf
+ len
, "%2d.%02d.%02d\n",
2659 local
->fw_ver
, local
->fw_bld
, local
->fw_var
);
2661 for (i
=0; i
<32; i
++) c
[i
] = local
->sparm
.b5
.a_current_ess_id
[i
];
2663 len
+= sprintf(buf
+ len
, "%s network ESSID = \"%s\"\n",
2664 nettype
[local
->sparm
.b5
.a_network_type
], c
);
2667 len
+= sprintf(buf
+ len
,
2668 "BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
2669 p
[0],p
[1],p
[2],p
[3],p
[4],p
[5]);
2671 len
+= sprintf(buf
+ len
, "Country code = %d\n",
2672 local
->sparm
.b5
.a_curr_country_code
);
2674 i
= local
->card_status
;
2677 len
+= sprintf(buf
+ len
, "Card status = %s\n", card_status
[i
]);
2679 len
+= sprintf(buf
+ len
, "Framing mode = %s\n",framing
[translate
]);
2681 len
+= sprintf(buf
+ len
, "Last pkt signal lvl = %d\n", local
->last_rsl
);
2683 if (local
->beacon_rxed
) {
2684 /* Pull some fields out of last beacon received */
2685 len
+= sprintf(buf
+ len
, "Beacon Interval = %d Kus\n",
2686 local
->last_bcn
.beacon_intvl
[0]
2687 + 256 * local
->last_bcn
.beacon_intvl
[1]);
2689 p
= local
->last_bcn
.elements
;
2690 if (p
[0] == C_ESSID_ELEMENT_ID
) p
+= p
[1] + 2;
2692 len
+= sprintf(buf
+ len
, "Parse beacon failed at essid element id = %d\n",p
[0]);
2696 if (p
[0] == C_SUPPORTED_RATES_ELEMENT_ID
) {
2697 len
+= sprintf(buf
+ len
, "Supported rate codes = ");
2698 for (i
=2; i
<p
[1] + 2; i
++)
2699 len
+= sprintf(buf
+ len
, "0x%02x ", p
[i
]);
2700 len
+= sprintf(buf
+ len
, "\n");
2704 len
+= sprintf(buf
+ len
, "Parse beacon failed at rates element\n");
2708 if (p
[0] == C_FH_PARAM_SET_ELEMENT_ID
) {
2709 pfh
= (struct freq_hop_element
*)p
;
2710 len
+= sprintf(buf
+ len
, "Hop dwell = %d Kus\n",
2711 pfh
->dwell_time
[0] + 256 * pfh
->dwell_time
[1]);
2712 len
+= sprintf(buf
+ len
, "Hop set = %d \n", pfh
->hop_set
);
2713 len
+= sprintf(buf
+ len
, "Hop pattern = %d \n", pfh
->hop_pattern
);
2714 len
+= sprintf(buf
+ len
, "Hop index = %d \n", pfh
->hop_index
);
2718 len
+= sprintf(buf
+ len
, "Parse beacon failed at FH param element\n");
2722 len
+= sprintf(buf
+ len
, "No beacons received\n");
2728 /*===========================================================================*/
2729 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
)
2732 struct ccs __iomem
*pccs
;
2733 struct tx_msg __iomem
*ptx
;
2736 /* If no tx buffers available, return */
2737 if ((ccsindex
= get_free_tx_ccs(local
)) < 0)
2739 DEBUG(1,"ray_cs send authenticate - No free tx ccs\n");
2743 pccs
= ccs_base(local
) + ccsindex
;
2745 /* Address in card space */
2746 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
2747 /* fill in the CCS */
2748 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
2749 writeb(addr
>> 8, pccs
->var
.tx_request
.tx_data_ptr
);
2750 writeb(0x20, pccs
->var
.tx_request
.tx_data_ptr
+ 1);
2751 writeb(TX_AUTHENTICATE_LENGTH_MSB
, pccs
->var
.tx_request
.tx_data_length
);
2752 writeb(TX_AUTHENTICATE_LENGTH_LSB
,pccs
->var
.tx_request
.tx_data_length
+ 1);
2753 writeb(0, &pccs
->var
.tx_request
.pow_sav_mode
);
2755 ptx
= local
->sram
+ addr
;
2756 /* fill in the mac header */
2757 writeb(PROTOCOL_VER
| AUTHENTIC_TYPE
, &ptx
->mac
.frame_ctl_1
);
2758 writeb(0, &ptx
->mac
.frame_ctl_2
);
2760 memcpy_toio(ptx
->mac
.addr_1
, dest
, ADDRLEN
);
2761 memcpy_toio(ptx
->mac
.addr_2
, local
->sparm
.b4
.a_mac_addr
, ADDRLEN
);
2762 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
2764 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2765 memset_io(ptx
->var
, 0, 6);
2766 writeb(auth_type
& 0xff, ptx
->var
+ 2);
2768 /* Interrupt the firmware to process the command */
2769 if (interrupt_ecf(local
, ccsindex
)) {
2770 DEBUG(1,"ray_cs send authentication request failed - ECF not ready for intr\n");
2771 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2775 } /* End build_auth_frame */
2777 /*===========================================================================*/
2778 #ifdef CONFIG_PROC_FS
2779 static void raycs_write(const char *name
, write_proc_t
*w
, void *data
)
2781 struct proc_dir_entry
* entry
= create_proc_entry(name
, S_IFREG
| S_IWUSR
, NULL
);
2783 entry
->write_proc
= w
;
2788 static int write_essid(struct file
*file
, const char __user
*buffer
, unsigned long count
, void *data
)
2790 static char proc_essid
[33];
2795 memset(proc_essid
, 0, 33);
2796 if (copy_from_user(proc_essid
, buffer
, len
))
2802 static int write_int(struct file
*file
, const char __user
*buffer
, unsigned long count
, void *data
)
2804 static char proc_number
[10];
2813 if (copy_from_user(proc_number
, buffer
, count
))
2819 unsigned int c
= *p
- '0';
2830 static struct pcmcia_device_id ray_ids
[] = {
2831 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2834 MODULE_DEVICE_TABLE(pcmcia
, ray_ids
);
2836 static struct pcmcia_driver ray_driver
= {
2837 .owner
= THIS_MODULE
,
2842 .remove
= ray_detach
,
2843 .id_table
= ray_ids
,
2844 .suspend
= ray_suspend
,
2845 .resume
= ray_resume
,
2848 static int __init
init_ray_cs(void)
2852 DEBUG(1, "%s\n", rcsid
);
2853 rc
= pcmcia_register_driver(&ray_driver
);
2854 DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",rc
);
2856 #ifdef CONFIG_PROC_FS
2857 proc_mkdir("driver/ray_cs", NULL
);
2859 create_proc_info_entry("driver/ray_cs/ray_cs", 0, NULL
, &ray_cs_proc_read
);
2860 raycs_write("driver/ray_cs/essid", write_essid
, NULL
);
2861 raycs_write("driver/ray_cs/net_type", write_int
, &net_type
);
2862 raycs_write("driver/ray_cs/translate", write_int
, &translate
);
2864 if (translate
!= 0) translate
= 1;
2868 /*===========================================================================*/
2870 static void __exit
exit_ray_cs(void)
2872 DEBUG(0, "ray_cs: cleanup_module\n");
2874 #ifdef CONFIG_PROC_FS
2875 remove_proc_entry("driver/ray_cs/ray_cs", NULL
);
2876 remove_proc_entry("driver/ray_cs/essid", NULL
);
2877 remove_proc_entry("driver/ray_cs/net_type", NULL
);
2878 remove_proc_entry("driver/ray_cs/translate", NULL
);
2879 remove_proc_entry("driver/ray_cs", NULL
);
2882 pcmcia_unregister_driver(&ray_driver
);
2885 module_init(init_ray_cs
);
2886 module_exit(exit_ray_cs
);
2888 /*===========================================================================*/