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/seq_file.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>
47 #include <linux/ieee80211.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 <linux/wireless.h>
57 #include <net/iw_handler.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 */
74 /** Prototypes based on PCMCIA skeleton driver *******************************/
75 static int ray_config(struct pcmcia_device
*link
);
76 static void ray_release(struct pcmcia_device
*link
);
77 static void ray_detach(struct pcmcia_device
*p_dev
);
79 /***** Prototypes indicated by device structure ******************************/
80 static int ray_dev_close(struct net_device
*dev
);
81 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
);
82 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
);
83 static int ray_dev_init(struct net_device
*dev
);
85 static const struct ethtool_ops netdev_ethtool_ops
;
87 static int ray_open(struct net_device
*dev
);
88 static netdev_tx_t
ray_dev_start_xmit(struct sk_buff
*skb
,
89 struct net_device
*dev
);
90 static void set_multicast_list(struct net_device
*dev
);
91 static void ray_update_multi_list(struct net_device
*dev
, int all
);
92 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
93 unsigned char *data
, int len
);
94 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
95 UCHAR msg_type
, unsigned char *data
);
96 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
);
97 static iw_stats
*ray_get_wireless_stats(struct net_device
*dev
);
98 static const struct iw_handler_def ray_handler_def
;
100 /***** Prototypes for raylink functions **************************************/
101 static int asc_to_int(char a
);
102 static void authenticate(ray_dev_t
*local
);
103 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
);
104 static void authenticate_timeout(u_long
);
105 static int get_free_ccs(ray_dev_t
*local
);
106 static int get_free_tx_ccs(ray_dev_t
*local
);
107 static void init_startup_params(ray_dev_t
*local
);
108 static int parse_addr(char *in_str
, UCHAR
*out
);
109 static int ray_hw_xmit(unsigned char *data
, int len
, struct net_device
*dev
, UCHAR type
);
110 static int ray_init(struct net_device
*dev
);
111 static int interrupt_ecf(ray_dev_t
*local
, int ccs
);
112 static void ray_reset(struct net_device
*dev
);
113 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
, int len
);
114 static void verify_dl_startup(u_long
);
116 /* Prototypes for interrpt time functions **********************************/
117 static irqreturn_t
ray_interrupt(int reg
, void *dev_id
);
118 static void clear_interrupt(ray_dev_t
*local
);
119 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
120 unsigned int pkt_addr
, int rx_len
);
121 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
, int len
);
122 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
, struct rcs __iomem
*prcs
);
123 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
*prcs
);
124 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
125 unsigned int pkt_addr
, int rx_len
);
126 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
,
127 unsigned int pkt_addr
, int rx_len
);
128 static void associate(ray_dev_t
*local
);
130 /* Card command functions */
131 static int dl_startup_params(struct net_device
*dev
);
132 static void join_net(u_long local
);
133 static void start_net(u_long local
);
134 /* void start_net(ray_dev_t *local); */
136 /*===========================================================================*/
137 /* Parameters that can be set with 'insmod' */
139 /* ADHOC=0, Infrastructure=1 */
140 static int net_type
= ADHOC
;
142 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
143 static int hop_dwell
= 128;
145 /* Beacon period in Kus */
146 static int beacon_period
= 256;
148 /* power save mode (0 = off, 1 = save power) */
151 /* String for network's Extended Service Set ID. 32 Characters max */
154 /* Default to encapsulation unless translation requested */
155 static int translate
= 1;
157 static int country
= USA
;
163 /* 48 bit physical card address if overriding card's real physical
164 * address is required. Since IEEE 802.11 addresses are 48 bits
165 * like ethernet, an int can't be used, so a string is used. To
166 * allow use of addresses starting with a decimal digit, the first
167 * character must be a letter and will be ignored. This letter is
168 * followed by up to 12 hex digits which are the address. If less
169 * than 12 digits are used, the address will be left filled with 0's.
170 * Note that bit 0 of the first byte is the broadcast bit, and evil
171 * things will happen if it is not 0 in a card address.
173 static char *phy_addr
= NULL
;
176 /* A struct pcmcia_device structure has fields for most things that are needed
177 to keep track of a socket, but there will usually be some device
178 specific information that also needs to be kept track of. The
179 'priv' pointer in a struct pcmcia_device structure can be used to point to
180 a device-specific private data structure, like this.
182 static unsigned int ray_mem_speed
= 500;
184 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
185 static struct pcmcia_device
*this_device
= NULL
;
187 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
188 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
189 MODULE_LICENSE("GPL");
191 module_param(net_type
, int, 0);
192 module_param(hop_dwell
, int, 0);
193 module_param(beacon_period
, int, 0);
194 module_param(psm
, int, 0);
195 module_param(essid
, charp
, 0);
196 module_param(translate
, int, 0);
197 module_param(country
, int, 0);
198 module_param(sniffer
, int, 0);
199 module_param(bc
, int, 0);
200 module_param(phy_addr
, charp
, 0);
201 module_param(ray_mem_speed
, int, 0);
203 static UCHAR b5_default_startup_parms
[] = {
204 0, 0, /* Adhoc station */
205 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
206 0, 0, 0, 0, 0, 0, 0, 0,
207 0, 0, 0, 0, 0, 0, 0, 0,
208 0, 0, 0, 0, 0, 0, 0, 0,
209 1, 0, /* Active scan, CA Mode */
210 0, 0, 0, 0, 0, 0, /* No default MAC addr */
211 0x7f, 0xff, /* Frag threshold */
212 0x00, 0x80, /* Hop time 128 Kus */
213 0x01, 0x00, /* Beacon period 256 Kus */
214 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
215 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
216 0x7f, 0xff, /* RTS threshold */
217 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
218 0x05, /* assoc resp timeout thresh */
219 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
220 0, /* Promiscuous mode */
221 0x0c, 0x0bd, /* Unique word */
222 0x32, /* Slot time */
223 0xff, 0xff, /* roam-low snr, low snr count */
224 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
225 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
226 /* b4 - b5 differences start here */
227 0x00, 0x3f, /* CW max */
228 0x00, 0x0f, /* CW min */
229 0x04, 0x08, /* Noise gain, limit offset */
230 0x28, 0x28, /* det rssi, med busy offsets */
231 7, /* det sync thresh */
232 0, 2, 2, /* test mode, min, max */
233 0, /* allow broadcast SSID probe resp */
234 0, 0, /* privacy must start, can join */
235 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
238 static UCHAR b4_default_startup_parms
[] = {
239 0, 0, /* Adhoc station */
240 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
241 0, 0, 0, 0, 0, 0, 0, 0,
242 0, 0, 0, 0, 0, 0, 0, 0,
243 0, 0, 0, 0, 0, 0, 0, 0,
244 1, 0, /* Active scan, CA Mode */
245 0, 0, 0, 0, 0, 0, /* No default MAC addr */
246 0x7f, 0xff, /* Frag threshold */
247 0x02, 0x00, /* Hop time */
248 0x00, 0x01, /* Beacon period */
249 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
250 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
251 0x7f, 0xff, /* RTS threshold */
252 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
253 0x05, /* assoc resp timeout thresh */
254 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
255 0, /* Promiscuous mode */
256 0x0c, 0x0bd, /* Unique word */
257 0x4e, /* Slot time (TBD seems wrong) */
258 0xff, 0xff, /* roam-low snr, low snr count */
259 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
260 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
261 /* b4 - b5 differences start here */
262 0x3f, 0x0f, /* CW max, min */
263 0x04, 0x08, /* Noise gain, limit offset */
264 0x28, 0x28, /* det rssi, med busy offsets */
265 7, /* det sync thresh */
266 0, 2, 2 /* test mode, min, max */
269 /*===========================================================================*/
270 static unsigned char eth2_llc
[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
272 static char hop_pattern_length
[] = { 1,
273 USA_HOP_MOD
, EUROPE_HOP_MOD
,
274 JAPAN_HOP_MOD
, KOREA_HOP_MOD
,
275 SPAIN_HOP_MOD
, FRANCE_HOP_MOD
,
276 ISRAEL_HOP_MOD
, AUSTRALIA_HOP_MOD
,
280 static char rcsid
[] =
281 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
283 static const struct net_device_ops ray_netdev_ops
= {
284 .ndo_init
= ray_dev_init
,
285 .ndo_open
= ray_open
,
286 .ndo_stop
= ray_dev_close
,
287 .ndo_start_xmit
= ray_dev_start_xmit
,
288 .ndo_set_config
= ray_dev_config
,
289 .ndo_get_stats
= ray_get_stats
,
290 .ndo_set_multicast_list
= set_multicast_list
,
291 .ndo_change_mtu
= eth_change_mtu
,
292 .ndo_set_mac_address
= eth_mac_addr
,
293 .ndo_validate_addr
= eth_validate_addr
,
296 /*=============================================================================
297 ray_attach() creates an "instance" of the driver, allocating
298 local data structures for one device. The device is registered
300 The dev_link structure is initialized, but we don't actually
301 configure the card at this point -- we wait until we receive a
302 card insertion event.
303 =============================================================================*/
304 static int ray_probe(struct pcmcia_device
*p_dev
)
307 struct net_device
*dev
;
309 dev_dbg(&p_dev
->dev
, "ray_attach()\n");
311 /* Allocate space for private device-specific data */
312 dev
= alloc_etherdev(sizeof(ray_dev_t
));
316 local
= netdev_priv(dev
);
317 local
->finder
= p_dev
;
319 /* The io structure describes IO port mapping. None used here */
320 p_dev
->io
.NumPorts1
= 0;
321 p_dev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_8
;
322 p_dev
->io
.IOAddrLines
= 5;
324 /* Interrupt setup. For PCMCIA, driver takes what's given */
325 p_dev
->irq
.Attributes
= IRQ_TYPE_DYNAMIC_SHARING
;
326 p_dev
->irq
.Handler
= &ray_interrupt
;
328 /* General socket configuration */
329 p_dev
->conf
.Attributes
= CONF_ENABLE_IRQ
;
330 p_dev
->conf
.IntType
= INT_MEMORY_AND_IO
;
331 p_dev
->conf
.ConfigIndex
= 1;
335 local
->finder
= p_dev
;
336 local
->card_status
= CARD_INSERTED
;
337 local
->authentication_state
= UNAUTHENTICATED
;
338 local
->num_multi
= 0;
339 dev_dbg(&p_dev
->dev
, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
340 p_dev
, dev
, local
, &ray_interrupt
);
342 /* Raylink entries in the device structure */
343 dev
->netdev_ops
= &ray_netdev_ops
;
344 SET_ETHTOOL_OPS(dev
, &netdev_ethtool_ops
);
345 dev
->wireless_handlers
= &ray_handler_def
;
347 local
->wireless_data
.spy_data
= &local
->spy_data
;
348 dev
->wireless_data
= &local
->wireless_data
;
349 #endif /* WIRELESS_SPY */
352 dev_dbg(&p_dev
->dev
, "ray_cs ray_attach calling ether_setup.)\n");
353 netif_stop_queue(dev
);
355 init_timer(&local
->timer
);
358 return ray_config(p_dev
);
364 /*=============================================================================
365 This deletes a driver "instance". The device is de-registered
366 with Card Services. If it has been released, all local data
367 structures are freed. Otherwise, the structures will be freed
368 when the device is released.
369 =============================================================================*/
370 static void ray_detach(struct pcmcia_device
*link
)
372 struct net_device
*dev
;
375 dev_dbg(&link
->dev
, "ray_detach\n");
382 local
= netdev_priv(dev
);
383 del_timer(&local
->timer
);
387 unregister_netdev(dev
);
390 dev_dbg(&link
->dev
, "ray_cs ray_detach ending\n");
393 /*=============================================================================
394 ray_config() is run after a CARD_INSERTION event
395 is received, to configure the PCMCIA socket, and to make the
396 ethernet device available to the system.
397 =============================================================================*/
398 #define MAX_TUPLE_SIZE 128
399 static int ray_config(struct pcmcia_device
*link
)
405 struct net_device
*dev
= (struct net_device
*)link
->priv
;
406 ray_dev_t
*local
= netdev_priv(dev
);
408 dev_dbg(&link
->dev
, "ray_config\n");
410 /* Determine card type and firmware version */
411 printk(KERN_INFO
"ray_cs Detected: %s%s%s%s\n",
412 link
->prod_id
[0] ? link
->prod_id
[0] : " ",
413 link
->prod_id
[1] ? link
->prod_id
[1] : " ",
414 link
->prod_id
[2] ? link
->prod_id
[2] : " ",
415 link
->prod_id
[3] ? link
->prod_id
[3] : " ");
417 /* Now allocate an interrupt line. Note that this does not
418 actually assign a handler to the interrupt.
420 ret
= pcmcia_request_irq(link
, &link
->irq
);
423 dev
->irq
= link
->irq
.AssignedIRQ
;
425 /* This actually configures the PCMCIA socket -- setting up
426 the I/O windows and the interrupt mapping.
428 ret
= pcmcia_request_configuration(link
, &link
->conf
);
432 /*** Set up 32k window for shared memory (transmit and control) ************/
434 WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
437 req
.AccessSpeed
= ray_mem_speed
;
438 ret
= pcmcia_request_window(link
, &req
, &link
->win
);
441 mem
.CardOffset
= 0x0000;
443 ret
= pcmcia_map_mem_page(link
, link
->win
, &mem
);
446 local
->sram
= ioremap(req
.Base
, req
.Size
);
448 /*** Set up 16k window for shared memory (receive buffer) ***************/
450 WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
453 req
.AccessSpeed
= ray_mem_speed
;
454 ret
= pcmcia_request_window(link
, &req
, &local
->rmem_handle
);
457 mem
.CardOffset
= 0x8000;
459 ret
= pcmcia_map_mem_page(link
, local
->rmem_handle
, &mem
);
462 local
->rmem
= ioremap(req
.Base
, req
.Size
);
464 /*** Set up window for attribute memory ***********************************/
466 WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_AM
| WIN_ENABLE
| WIN_USE_WAIT
;
469 req
.AccessSpeed
= ray_mem_speed
;
470 ret
= pcmcia_request_window(link
, &req
, &local
->amem_handle
);
473 mem
.CardOffset
= 0x0000;
475 ret
= pcmcia_map_mem_page(link
, local
->amem_handle
, &mem
);
478 local
->amem
= ioremap(req
.Base
, req
.Size
);
480 dev_dbg(&link
->dev
, "ray_config sram=%p\n", local
->sram
);
481 dev_dbg(&link
->dev
, "ray_config rmem=%p\n", local
->rmem
);
482 dev_dbg(&link
->dev
, "ray_config amem=%p\n", local
->amem
);
483 if (ray_init(dev
) < 0) {
488 SET_NETDEV_DEV(dev
, &link
->dev
);
489 i
= register_netdev(dev
);
491 printk("ray_config register_netdev() failed\n");
496 strcpy(local
->node
.dev_name
, dev
->name
);
497 link
->dev_node
= &local
->node
;
499 printk(KERN_INFO
"%s: RayLink, irq %d, hw_addr %pM\n",
500 dev
->name
, dev
->irq
, dev
->dev_addr
);
509 static inline struct ccs __iomem
*ccs_base(ray_dev_t
*dev
)
511 return dev
->sram
+ CCS_BASE
;
514 static inline struct rcs __iomem
*rcs_base(ray_dev_t
*dev
)
517 * This looks nonsensical, since there is a separate
518 * RCS_BASE. But the difference between a "struct rcs"
519 * and a "struct ccs" ends up being in the _index_ off
520 * the base, so the base pointer is the same for both
523 return dev
->sram
+ CCS_BASE
;
526 /*===========================================================================*/
527 static int ray_init(struct net_device
*dev
)
531 struct ccs __iomem
*pccs
;
532 ray_dev_t
*local
= netdev_priv(dev
);
533 struct pcmcia_device
*link
= local
->finder
;
534 dev_dbg(&link
->dev
, "ray_init(0x%p)\n", dev
);
535 if (!(pcmcia_dev_present(link
))) {
536 dev_dbg(&link
->dev
, "ray_init - device not present\n");
540 local
->net_type
= net_type
;
541 local
->sta_type
= TYPE_STA
;
543 /* Copy the startup results to local memory */
544 memcpy_fromio(&local
->startup_res
, local
->sram
+ ECF_TO_HOST_BASE
,
545 sizeof(struct startup_res_6
));
547 /* Check Power up test status and get mac address from card */
548 if (local
->startup_res
.startup_word
!= 0x80) {
549 printk(KERN_INFO
"ray_init ERROR card status = %2x\n",
550 local
->startup_res
.startup_word
);
551 local
->card_status
= CARD_INIT_ERROR
;
555 local
->fw_ver
= local
->startup_res
.firmware_version
[0];
556 local
->fw_bld
= local
->startup_res
.firmware_version
[1];
557 local
->fw_var
= local
->startup_res
.firmware_version
[2];
558 dev_dbg(&link
->dev
, "ray_init firmware version %d.%d \n", local
->fw_ver
,
561 local
->tib_length
= 0x20;
562 if ((local
->fw_ver
== 5) && (local
->fw_bld
>= 30))
563 local
->tib_length
= local
->startup_res
.tib_length
;
564 dev_dbg(&link
->dev
, "ray_init tib_length = 0x%02x\n", local
->tib_length
);
565 /* Initialize CCS's to buffer free state */
566 pccs
= ccs_base(local
);
567 for (i
= 0; i
< NUMBER_OF_CCS
; i
++) {
568 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
570 init_startup_params(local
);
572 /* copy mac address to startup parameters */
573 if (parse_addr(phy_addr
, local
->sparm
.b4
.a_mac_addr
)) {
574 p
= local
->sparm
.b4
.a_mac_addr
;
576 memcpy(&local
->sparm
.b4
.a_mac_addr
,
577 &local
->startup_res
.station_addr
, ADDRLEN
);
578 p
= local
->sparm
.b4
.a_mac_addr
;
581 clear_interrupt(local
); /* Clear any interrupt from the card */
582 local
->card_status
= CARD_AWAITING_PARAM
;
583 dev_dbg(&link
->dev
, "ray_init ending\n");
587 /*===========================================================================*/
588 /* Download startup parameters to the card and command it to read them */
589 static int dl_startup_params(struct net_device
*dev
)
592 ray_dev_t
*local
= netdev_priv(dev
);
593 struct ccs __iomem
*pccs
;
594 struct pcmcia_device
*link
= local
->finder
;
596 dev_dbg(&link
->dev
, "dl_startup_params entered\n");
597 if (!(pcmcia_dev_present(link
))) {
598 dev_dbg(&link
->dev
, "ray_cs dl_startup_params - device not present\n");
602 /* Copy parameters to host to ECF area */
603 if (local
->fw_ver
== 0x55)
604 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b4
,
605 sizeof(struct b4_startup_params
));
607 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b5
,
608 sizeof(struct b5_startup_params
));
610 /* Fill in the CCS fields for the ECF */
611 if ((ccsindex
= get_free_ccs(local
)) < 0)
613 local
->dl_param_ccs
= ccsindex
;
614 pccs
= ccs_base(local
) + ccsindex
;
615 writeb(CCS_DOWNLOAD_STARTUP_PARAMS
, &pccs
->cmd
);
616 dev_dbg(&link
->dev
, "dl_startup_params start ccsindex = %d\n",
617 local
->dl_param_ccs
);
618 /* Interrupt the firmware to process the command */
619 if (interrupt_ecf(local
, ccsindex
)) {
620 printk(KERN_INFO
"ray dl_startup_params failed - "
621 "ECF not ready for intr\n");
622 local
->card_status
= CARD_DL_PARAM_ERROR
;
623 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
626 local
->card_status
= CARD_DL_PARAM
;
627 /* Start kernel timer to wait for dl startup to complete. */
628 local
->timer
.expires
= jiffies
+ HZ
/ 2;
629 local
->timer
.data
= (long)local
;
630 local
->timer
.function
= &verify_dl_startup
;
631 add_timer(&local
->timer
);
633 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
635 } /* dl_startup_params */
637 /*===========================================================================*/
638 static void init_startup_params(ray_dev_t
*local
)
642 if (country
> JAPAN_TEST
)
644 else if (country
< USA
)
646 /* structure for hop time and beacon period is defined here using
647 * New 802.11D6.1 format. Card firmware is still using old format
650 * a_hop_time ms byte a_hop_time ms byte
651 * a_hop_time 2s byte a_hop_time ls byte
652 * a_hop_time ls byte a_beacon_period ms byte
653 * a_beacon_period a_beacon_period ls byte
655 * a_hop_time = uS a_hop_time = KuS
656 * a_beacon_period = hops a_beacon_period = KuS
657 *//* 64ms = 010000 */
658 if (local
->fw_ver
== 0x55) {
659 memcpy((UCHAR
*) &local
->sparm
.b4
, b4_default_startup_parms
,
660 sizeof(struct b4_startup_params
));
661 /* Translate sane kus input values to old build 4/5 format */
662 /* i = hop time in uS truncated to 3 bytes */
663 i
= (hop_dwell
* 1024) & 0xffffff;
664 local
->sparm
.b4
.a_hop_time
[0] = (i
>> 16) & 0xff;
665 local
->sparm
.b4
.a_hop_time
[1] = (i
>> 8) & 0xff;
666 local
->sparm
.b4
.a_beacon_period
[0] = 0;
667 local
->sparm
.b4
.a_beacon_period
[1] =
668 ((beacon_period
/ hop_dwell
) - 1) & 0xff;
669 local
->sparm
.b4
.a_curr_country_code
= country
;
670 local
->sparm
.b4
.a_hop_pattern_length
=
671 hop_pattern_length
[(int)country
] - 1;
673 local
->sparm
.b4
.a_ack_timeout
= 0x50;
674 local
->sparm
.b4
.a_sifs
= 0x3f;
676 } else { /* Version 5 uses real kus values */
677 memcpy((UCHAR
*) &local
->sparm
.b5
, b5_default_startup_parms
,
678 sizeof(struct b5_startup_params
));
680 local
->sparm
.b5
.a_hop_time
[0] = (hop_dwell
>> 8) & 0xff;
681 local
->sparm
.b5
.a_hop_time
[1] = hop_dwell
& 0xff;
682 local
->sparm
.b5
.a_beacon_period
[0] =
683 (beacon_period
>> 8) & 0xff;
684 local
->sparm
.b5
.a_beacon_period
[1] = beacon_period
& 0xff;
686 local
->sparm
.b5
.a_power_mgt_state
= 1;
687 local
->sparm
.b5
.a_curr_country_code
= country
;
688 local
->sparm
.b5
.a_hop_pattern_length
=
689 hop_pattern_length
[(int)country
];
692 local
->sparm
.b4
.a_network_type
= net_type
& 0x01;
693 local
->sparm
.b4
.a_acting_as_ap_status
= TYPE_STA
;
696 strncpy(local
->sparm
.b4
.a_current_ess_id
, essid
, ESSID_SIZE
);
697 } /* init_startup_params */
699 /*===========================================================================*/
700 static void verify_dl_startup(u_long data
)
702 ray_dev_t
*local
= (ray_dev_t
*) data
;
703 struct ccs __iomem
*pccs
= ccs_base(local
) + local
->dl_param_ccs
;
705 struct pcmcia_device
*link
= local
->finder
;
707 if (!(pcmcia_dev_present(link
))) {
708 dev_dbg(&link
->dev
, "ray_cs verify_dl_startup - device not present\n");
715 "verify_dl_startup parameters sent via ccs %d:\n",
716 local
->dl_param_ccs
);
717 for (i
= 0; i
< sizeof(struct b5_startup_params
); i
++) {
719 (unsigned int)readb(local
->sram
+
720 HOST_TO_ECF_BASE
+ i
));
726 status
= readb(&pccs
->buffer_status
);
727 if (status
!= CCS_BUFFER_FREE
) {
729 "Download startup params failed. Status = %d\n",
731 local
->card_status
= CARD_DL_PARAM_ERROR
;
734 if (local
->sparm
.b4
.a_network_type
== ADHOC
)
735 start_net((u_long
) local
);
737 join_net((u_long
) local
);
740 } /* end verify_dl_startup */
742 /*===========================================================================*/
743 /* Command card to start a network */
744 static void start_net(u_long data
)
746 ray_dev_t
*local
= (ray_dev_t
*) data
;
747 struct ccs __iomem
*pccs
;
749 struct pcmcia_device
*link
= local
->finder
;
750 if (!(pcmcia_dev_present(link
))) {
751 dev_dbg(&link
->dev
, "ray_cs start_net - device not present\n");
754 /* Fill in the CCS fields for the ECF */
755 if ((ccsindex
= get_free_ccs(local
)) < 0)
757 pccs
= ccs_base(local
) + ccsindex
;
758 writeb(CCS_START_NETWORK
, &pccs
->cmd
);
759 writeb(0, &pccs
->var
.start_network
.update_param
);
760 /* Interrupt the firmware to process the command */
761 if (interrupt_ecf(local
, ccsindex
)) {
762 dev_dbg(&link
->dev
, "ray start net failed - card not ready for intr\n");
763 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
766 local
->card_status
= CARD_DOING_ACQ
;
768 } /* end start_net */
770 /*===========================================================================*/
771 /* Command card to join a network */
772 static void join_net(u_long data
)
774 ray_dev_t
*local
= (ray_dev_t
*) data
;
776 struct ccs __iomem
*pccs
;
778 struct pcmcia_device
*link
= local
->finder
;
780 if (!(pcmcia_dev_present(link
))) {
781 dev_dbg(&link
->dev
, "ray_cs join_net - device not present\n");
784 /* Fill in the CCS fields for the ECF */
785 if ((ccsindex
= get_free_ccs(local
)) < 0)
787 pccs
= ccs_base(local
) + ccsindex
;
788 writeb(CCS_JOIN_NETWORK
, &pccs
->cmd
);
789 writeb(0, &pccs
->var
.join_network
.update_param
);
790 writeb(0, &pccs
->var
.join_network
.net_initiated
);
791 /* Interrupt the firmware to process the command */
792 if (interrupt_ecf(local
, ccsindex
)) {
793 dev_dbg(&link
->dev
, "ray join net failed - card not ready for intr\n");
794 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
797 local
->card_status
= CARD_DOING_ACQ
;
801 /*============================================================================
802 After a card is removed, ray_release() will unregister the net
803 device, and release the PCMCIA configuration. If the device is
804 still open, this will be postponed until it is closed.
805 =============================================================================*/
806 static void ray_release(struct pcmcia_device
*link
)
808 struct net_device
*dev
= link
->priv
;
809 ray_dev_t
*local
= netdev_priv(dev
);
812 dev_dbg(&link
->dev
, "ray_release\n");
814 del_timer(&local
->timer
);
816 iounmap(local
->sram
);
817 iounmap(local
->rmem
);
818 iounmap(local
->amem
);
819 /* Do bother checking to see if these succeed or not */
820 i
= pcmcia_release_window(link
, local
->amem_handle
);
822 dev_dbg(&link
->dev
, "ReleaseWindow(local->amem) ret = %x\n", i
);
823 i
= pcmcia_release_window(link
, local
->rmem_handle
);
825 dev_dbg(&link
->dev
, "ReleaseWindow(local->rmem) ret = %x\n", i
);
826 pcmcia_disable_device(link
);
828 dev_dbg(&link
->dev
, "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 static int ray_dev_init(struct net_device
*dev
)
856 #ifdef RAY_IMMEDIATE_INIT
858 #endif /* RAY_IMMEDIATE_INIT */
859 ray_dev_t
*local
= netdev_priv(dev
);
860 struct pcmcia_device
*link
= local
->finder
;
862 dev_dbg(&link
->dev
, "ray_dev_init(dev=%p)\n", dev
);
863 if (!(pcmcia_dev_present(link
))) {
864 dev_dbg(&link
->dev
, "ray_dev_init - device not present\n");
867 #ifdef RAY_IMMEDIATE_INIT
868 /* Download startup parameters */
869 if ((i
= dl_startup_params(dev
)) < 0) {
870 printk(KERN_INFO
"ray_dev_init dl_startup_params failed - "
871 "returns 0x%x\n", i
);
874 #else /* RAY_IMMEDIATE_INIT */
875 /* Postpone the card init so that we can still configure the card,
876 * for example using the Wireless Extensions. The init will happen
877 * in ray_open() - Jean II */
879 "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 dev_dbg(&link
->dev
, "ray_dev_init ending\n");
891 /*===========================================================================*/
892 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
)
894 ray_dev_t
*local
= netdev_priv(dev
);
895 struct pcmcia_device
*link
= local
->finder
;
896 /* Dummy routine to satisfy device structure */
897 dev_dbg(&link
->dev
, "ray_dev_config(dev=%p,ifmap=%p)\n", dev
, map
);
898 if (!(pcmcia_dev_present(link
))) {
899 dev_dbg(&link
->dev
, "ray_dev_config - device not present\n");
906 /*===========================================================================*/
907 static netdev_tx_t
ray_dev_start_xmit(struct sk_buff
*skb
,
908 struct net_device
*dev
)
910 ray_dev_t
*local
= netdev_priv(dev
);
911 struct pcmcia_device
*link
= local
->finder
;
912 short length
= skb
->len
;
914 if (!pcmcia_dev_present(link
)) {
915 dev_dbg(&link
->dev
, "ray_dev_start_xmit - device not present\n");
920 dev_dbg(&link
->dev
, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb
, dev
);
921 if (local
->authentication_state
== NEED_TO_AUTH
) {
922 dev_dbg(&link
->dev
, "ray_cs Sending authentication request.\n");
923 if (!build_auth_frame(local
, local
->auth_id
, OPEN_AUTH_REQUEST
)) {
924 local
->authentication_state
= AUTHENTICATED
;
925 netif_stop_queue(dev
);
926 return NETDEV_TX_BUSY
;
930 if (length
< ETH_ZLEN
) {
931 if (skb_padto(skb
, ETH_ZLEN
))
935 switch (ray_hw_xmit(skb
->data
, length
, dev
, DATA_TYPE
)) {
938 netif_stop_queue(dev
);
939 return NETDEV_TX_BUSY
;
944 dev
->trans_start
= jiffies
;
949 } /* ray_dev_start_xmit */
951 /*===========================================================================*/
952 static int ray_hw_xmit(unsigned char *data
, int len
, struct net_device
*dev
,
955 ray_dev_t
*local
= netdev_priv(dev
);
956 struct ccs __iomem
*pccs
;
959 struct tx_msg __iomem
*ptx
; /* Address of xmit buffer in PC space */
960 short int addr
; /* Address of xmit buffer in card space */
962 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data
, len
, dev
);
963 if (len
+ TX_HEADER_LENGTH
> TX_BUF_SIZE
) {
964 printk(KERN_INFO
"ray_hw_xmit packet too large: %d bytes\n",
968 switch (ccsindex
= get_free_tx_ccs(local
)) {
970 pr_debug("ray_hw_xmit tx_ccs table busy\n");
972 pr_debug("ray_hw_xmit No free tx ccs\n");
974 netif_stop_queue(dev
);
979 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
981 if (msg_type
== DATA_TYPE
) {
982 local
->stats
.tx_bytes
+= len
;
983 local
->stats
.tx_packets
++;
986 ptx
= local
->sram
+ addr
;
988 ray_build_header(local
, ptx
, msg_type
, data
);
990 offset
= translate_frame(local
, ptx
, data
, len
);
991 } else { /* Encapsulate frame */
992 /* TBD TIB length will move address of ptx->var */
993 memcpy_toio(&ptx
->var
, data
, len
);
997 /* fill in the CCS */
998 pccs
= ccs_base(local
) + ccsindex
;
999 len
+= TX_HEADER_LENGTH
+ offset
;
1000 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
1001 writeb(addr
>> 8, &pccs
->var
.tx_request
.tx_data_ptr
[0]);
1002 writeb(local
->tib_length
, &pccs
->var
.tx_request
.tx_data_ptr
[1]);
1003 writeb(len
>> 8, &pccs
->var
.tx_request
.tx_data_length
[0]);
1004 writeb(len
& 0xff, &pccs
->var
.tx_request
.tx_data_length
[1]);
1005 /* TBD still need psm_cam? */
1006 writeb(PSM_CAM
, &pccs
->var
.tx_request
.pow_sav_mode
);
1007 writeb(local
->net_default_tx_rate
, &pccs
->var
.tx_request
.tx_rate
);
1008 writeb(0, &pccs
->var
.tx_request
.antenna
);
1009 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
1010 local
->net_default_tx_rate
);
1012 /* Interrupt the firmware to process the command */
1013 if (interrupt_ecf(local
, ccsindex
)) {
1014 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
1015 /* TBD very inefficient to copy packet to buffer, and then not
1016 send it, but the alternative is to queue the messages and that
1017 won't be done for a while. Maybe set tbusy until a CCS is free?
1019 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
1020 return XMIT_NO_INTR
;
1023 } /* end ray_hw_xmit */
1025 /*===========================================================================*/
1026 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
1027 unsigned char *data
, int len
)
1029 __be16 proto
= ((struct ethhdr
*)data
)->h_proto
;
1030 if (ntohs(proto
) >= 1536) { /* DIX II ethernet frame */
1031 pr_debug("ray_cs translate_frame DIX II\n");
1032 /* Copy LLC header to card buffer */
1033 memcpy_toio(&ptx
->var
, eth2_llc
, sizeof(eth2_llc
));
1034 memcpy_toio(((void __iomem
*)&ptx
->var
) + sizeof(eth2_llc
),
1035 (UCHAR
*) &proto
, 2);
1036 if (proto
== htons(ETH_P_AARP
) || proto
== htons(ETH_P_IPX
)) {
1037 /* This is the selective translation table, only 2 entries */
1039 &((struct snaphdr_t __iomem
*)ptx
->var
)->org
[3]);
1041 /* Copy body of ethernet packet without ethernet header */
1042 memcpy_toio((void __iomem
*)&ptx
->var
+
1043 sizeof(struct snaphdr_t
), data
+ ETH_HLEN
,
1045 return (int)sizeof(struct snaphdr_t
) - ETH_HLEN
;
1046 } else { /* already 802 type, and proto is length */
1047 pr_debug("ray_cs translate_frame 802\n");
1048 if (proto
== htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1049 pr_debug("ray_cs translate_frame evil IPX\n");
1050 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1051 return 0 - ETH_HLEN
;
1053 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1054 return 0 - ETH_HLEN
;
1056 /* TBD do other frame types */
1057 } /* end translate_frame */
1059 /*===========================================================================*/
1060 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
1061 UCHAR msg_type
, unsigned char *data
)
1063 writeb(PROTOCOL_VER
| msg_type
, &ptx
->mac
.frame_ctl_1
);
1064 /*** IEEE 802.11 Address field assignments *************
1065 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1066 Adhoc 0 0 dest src (terminal) BSSID N/A
1067 AP to Terminal 0 1 dest AP(BSSID) source N/A
1068 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1069 AP to AP 1 1 dest AP src AP dest source
1070 *******************************************************/
1071 if (local
->net_type
== ADHOC
) {
1072 writeb(0, &ptx
->mac
.frame_ctl_2
);
1073 memcpy_toio(ptx
->mac
.addr_1
, ((struct ethhdr
*)data
)->h_dest
,
1075 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
1076 } else { /* infrastructure */
1078 if (local
->sparm
.b4
.a_acting_as_ap_status
) {
1079 writeb(FC2_FROM_DS
, &ptx
->mac
.frame_ctl_2
);
1080 memcpy_toio(ptx
->mac
.addr_1
,
1081 ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1082 memcpy_toio(ptx
->mac
.addr_2
, local
->bss_id
, 6);
1083 memcpy_toio(ptx
->mac
.addr_3
,
1084 ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1085 } else { /* Terminal */
1087 writeb(FC2_TO_DS
, &ptx
->mac
.frame_ctl_2
);
1088 memcpy_toio(ptx
->mac
.addr_1
, local
->bss_id
, ADDRLEN
);
1089 memcpy_toio(ptx
->mac
.addr_2
,
1090 ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1091 memcpy_toio(ptx
->mac
.addr_3
,
1092 ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1095 } /* end encapsulate_frame */
1097 /*===========================================================================*/
1099 static void netdev_get_drvinfo(struct net_device
*dev
,
1100 struct ethtool_drvinfo
*info
)
1102 strcpy(info
->driver
, "ray_cs");
1105 static const struct ethtool_ops netdev_ethtool_ops
= {
1106 .get_drvinfo
= netdev_get_drvinfo
,
1109 /*====================================================================*/
1111 /*------------------------------------------------------------------*/
1113 * Wireless Handler : get protocol name
1115 static int ray_get_name(struct net_device
*dev
,
1116 struct iw_request_info
*info
, char *cwrq
, char *extra
)
1118 strcpy(cwrq
, "IEEE 802.11-FH");
1122 /*------------------------------------------------------------------*/
1124 * Wireless Handler : set frequency
1126 static int ray_set_freq(struct net_device
*dev
,
1127 struct iw_request_info
*info
,
1128 struct iw_freq
*fwrq
, char *extra
)
1130 ray_dev_t
*local
= netdev_priv(dev
);
1131 int err
= -EINPROGRESS
; /* Call commit handler */
1133 /* Reject if card is already initialised */
1134 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1137 /* Setting by channel number */
1138 if ((fwrq
->m
> USA_HOP_MOD
) || (fwrq
->e
> 0))
1141 local
->sparm
.b5
.a_hop_pattern
= fwrq
->m
;
1146 /*------------------------------------------------------------------*/
1148 * Wireless Handler : get frequency
1150 static int ray_get_freq(struct net_device
*dev
,
1151 struct iw_request_info
*info
,
1152 struct iw_freq
*fwrq
, char *extra
)
1154 ray_dev_t
*local
= netdev_priv(dev
);
1156 fwrq
->m
= local
->sparm
.b5
.a_hop_pattern
;
1161 /*------------------------------------------------------------------*/
1163 * Wireless Handler : set ESSID
1165 static int ray_set_essid(struct net_device
*dev
,
1166 struct iw_request_info
*info
,
1167 struct iw_point
*dwrq
, char *extra
)
1169 ray_dev_t
*local
= netdev_priv(dev
);
1171 /* Reject if card is already initialised */
1172 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1175 /* Check if we asked for `any' */
1176 if (dwrq
->flags
== 0) {
1177 /* Corey : can you do that ? */
1180 /* Check the size of the string */
1181 if (dwrq
->length
> IW_ESSID_MAX_SIZE
) {
1185 /* Set the ESSID in the card */
1186 memset(local
->sparm
.b5
.a_current_ess_id
, 0, IW_ESSID_MAX_SIZE
);
1187 memcpy(local
->sparm
.b5
.a_current_ess_id
, extra
, dwrq
->length
);
1190 return -EINPROGRESS
; /* Call commit handler */
1193 /*------------------------------------------------------------------*/
1195 * Wireless Handler : get ESSID
1197 static int ray_get_essid(struct net_device
*dev
,
1198 struct iw_request_info
*info
,
1199 struct iw_point
*dwrq
, char *extra
)
1201 ray_dev_t
*local
= netdev_priv(dev
);
1203 /* Get the essid that was set */
1204 memcpy(extra
, local
->sparm
.b5
.a_current_ess_id
, IW_ESSID_MAX_SIZE
);
1207 dwrq
->length
= strlen(extra
);
1208 dwrq
->flags
= 1; /* active */
1213 /*------------------------------------------------------------------*/
1215 * Wireless Handler : get AP address
1217 static int ray_get_wap(struct net_device
*dev
,
1218 struct iw_request_info
*info
,
1219 struct sockaddr
*awrq
, char *extra
)
1221 ray_dev_t
*local
= netdev_priv(dev
);
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
, char *extra
)
1237 ray_dev_t
*local
= netdev_priv(dev
);
1239 /* Reject if card is already initialised */
1240 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1243 /* Check if rate is in range */
1244 if ((vwrq
->value
!= 1000000) && (vwrq
->value
!= 2000000))
1247 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1248 if ((local
->fw_ver
== 0x55) && /* Please check */
1249 (vwrq
->value
== 2000000))
1250 local
->net_default_tx_rate
= 3;
1252 local
->net_default_tx_rate
= vwrq
->value
/ 500000;
1257 /*------------------------------------------------------------------*/
1259 * Wireless Handler : get Bit-Rate
1261 static int ray_get_rate(struct net_device
*dev
,
1262 struct iw_request_info
*info
,
1263 struct iw_param
*vwrq
, char *extra
)
1265 ray_dev_t
*local
= netdev_priv(dev
);
1267 if (local
->net_default_tx_rate
== 3)
1268 vwrq
->value
= 2000000; /* Hum... */
1270 vwrq
->value
= local
->net_default_tx_rate
* 500000;
1271 vwrq
->fixed
= 0; /* We are in auto mode */
1276 /*------------------------------------------------------------------*/
1278 * Wireless Handler : set RTS threshold
1280 static int ray_set_rts(struct net_device
*dev
,
1281 struct iw_request_info
*info
,
1282 struct iw_param
*vwrq
, char *extra
)
1284 ray_dev_t
*local
= netdev_priv(dev
);
1285 int rthr
= vwrq
->value
;
1287 /* Reject if card is already initialised */
1288 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1291 /* if(wrq->u.rts.fixed == 0) we should complain */
1295 if ((rthr
< 0) || (rthr
> 2347)) /* What's the max packet size ??? */
1298 local
->sparm
.b5
.a_rts_threshold
[0] = (rthr
>> 8) & 0xFF;
1299 local
->sparm
.b5
.a_rts_threshold
[1] = rthr
& 0xFF;
1301 return -EINPROGRESS
; /* Call commit handler */
1304 /*------------------------------------------------------------------*/
1306 * Wireless Handler : get RTS threshold
1308 static int ray_get_rts(struct net_device
*dev
,
1309 struct iw_request_info
*info
,
1310 struct iw_param
*vwrq
, char *extra
)
1312 ray_dev_t
*local
= netdev_priv(dev
);
1314 vwrq
->value
= (local
->sparm
.b5
.a_rts_threshold
[0] << 8)
1315 + local
->sparm
.b5
.a_rts_threshold
[1];
1316 vwrq
->disabled
= (vwrq
->value
== 32767);
1322 /*------------------------------------------------------------------*/
1324 * Wireless Handler : set Fragmentation threshold
1326 static int ray_set_frag(struct net_device
*dev
,
1327 struct iw_request_info
*info
,
1328 struct iw_param
*vwrq
, char *extra
)
1330 ray_dev_t
*local
= netdev_priv(dev
);
1331 int fthr
= vwrq
->value
;
1333 /* Reject if card is already initialised */
1334 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1337 /* if(wrq->u.frag.fixed == 0) should complain */
1341 if ((fthr
< 256) || (fthr
> 2347)) /* To check out ! */
1344 local
->sparm
.b5
.a_frag_threshold
[0] = (fthr
>> 8) & 0xFF;
1345 local
->sparm
.b5
.a_frag_threshold
[1] = fthr
& 0xFF;
1347 return -EINPROGRESS
; /* Call commit handler */
1350 /*------------------------------------------------------------------*/
1352 * Wireless Handler : get Fragmentation threshold
1354 static int ray_get_frag(struct net_device
*dev
,
1355 struct iw_request_info
*info
,
1356 struct iw_param
*vwrq
, char *extra
)
1358 ray_dev_t
*local
= netdev_priv(dev
);
1360 vwrq
->value
= (local
->sparm
.b5
.a_frag_threshold
[0] << 8)
1361 + local
->sparm
.b5
.a_frag_threshold
[1];
1362 vwrq
->disabled
= (vwrq
->value
== 32767);
1368 /*------------------------------------------------------------------*/
1370 * Wireless Handler : set Mode of Operation
1372 static int ray_set_mode(struct net_device
*dev
,
1373 struct iw_request_info
*info
, __u32
*uwrq
, char *extra
)
1375 ray_dev_t
*local
= netdev_priv(dev
);
1376 int err
= -EINPROGRESS
; /* Call commit handler */
1379 /* Reject if card is already initialised */
1380 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1388 local
->sparm
.b5
.a_network_type
= card_mode
;
1397 /*------------------------------------------------------------------*/
1399 * Wireless Handler : get Mode of Operation
1401 static int ray_get_mode(struct net_device
*dev
,
1402 struct iw_request_info
*info
, __u32
*uwrq
, char *extra
)
1404 ray_dev_t
*local
= netdev_priv(dev
);
1406 if (local
->sparm
.b5
.a_network_type
)
1407 *uwrq
= IW_MODE_INFRA
;
1409 *uwrq
= IW_MODE_ADHOC
;
1414 /*------------------------------------------------------------------*/
1416 * Wireless Handler : get range info
1418 static int ray_get_range(struct net_device
*dev
,
1419 struct iw_request_info
*info
,
1420 struct iw_point
*dwrq
, char *extra
)
1422 struct iw_range
*range
= (struct iw_range
*)extra
;
1424 memset((char *)range
, 0, sizeof(struct iw_range
));
1426 /* Set the length (very important for backward compatibility) */
1427 dwrq
->length
= sizeof(struct iw_range
);
1429 /* Set the Wireless Extension versions */
1430 range
->we_version_compiled
= WIRELESS_EXT
;
1431 range
->we_version_source
= 9;
1433 /* Set information in the range struct */
1434 range
->throughput
= 1.1 * 1000 * 1000; /* Put the right number here */
1435 range
->num_channels
= hop_pattern_length
[(int)country
];
1436 range
->num_frequency
= 0;
1437 range
->max_qual
.qual
= 0;
1438 range
->max_qual
.level
= 255; /* What's the correct value ? */
1439 range
->max_qual
.noise
= 255; /* Idem */
1440 range
->num_bitrates
= 2;
1441 range
->bitrate
[0] = 1000000; /* 1 Mb/s */
1442 range
->bitrate
[1] = 2000000; /* 2 Mb/s */
1446 /*------------------------------------------------------------------*/
1448 * Wireless Private Handler : set framing mode
1450 static int ray_set_framing(struct net_device
*dev
,
1451 struct iw_request_info
*info
,
1452 union iwreq_data
*wrqu
, char *extra
)
1454 translate
= *(extra
); /* Set framing mode */
1459 /*------------------------------------------------------------------*/
1461 * Wireless Private Handler : get framing mode
1463 static int ray_get_framing(struct net_device
*dev
,
1464 struct iw_request_info
*info
,
1465 union iwreq_data
*wrqu
, char *extra
)
1467 *(extra
) = translate
;
1472 /*------------------------------------------------------------------*/
1474 * Wireless Private Handler : get country
1476 static int ray_get_country(struct net_device
*dev
,
1477 struct iw_request_info
*info
,
1478 union iwreq_data
*wrqu
, char *extra
)
1485 /*------------------------------------------------------------------*/
1487 * Commit handler : called after a bunch of SET operations
1489 static int ray_commit(struct net_device
*dev
, struct iw_request_info
*info
, /* NULL */
1490 void *zwrq
, /* NULL */
1496 /*------------------------------------------------------------------*/
1498 * Stats handler : return Wireless Stats
1500 static iw_stats
*ray_get_wireless_stats(struct net_device
*dev
)
1502 ray_dev_t
*local
= netdev_priv(dev
);
1503 struct pcmcia_device
*link
= local
->finder
;
1504 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1506 local
->wstats
.status
= local
->card_status
;
1508 if ((local
->spy_data
.spy_number
> 0)
1509 && (local
->sparm
.b5
.a_network_type
== 0)) {
1510 /* Get it from the first node in spy list */
1511 local
->wstats
.qual
.qual
= local
->spy_data
.spy_stat
[0].qual
;
1512 local
->wstats
.qual
.level
= local
->spy_data
.spy_stat
[0].level
;
1513 local
->wstats
.qual
.noise
= local
->spy_data
.spy_stat
[0].noise
;
1514 local
->wstats
.qual
.updated
=
1515 local
->spy_data
.spy_stat
[0].updated
;
1517 #endif /* WIRELESS_SPY */
1519 if (pcmcia_dev_present(link
)) {
1520 local
->wstats
.qual
.noise
= readb(&p
->rxnoise
);
1521 local
->wstats
.qual
.updated
|= 4;
1524 return &local
->wstats
;
1525 } /* end ray_get_wireless_stats */
1527 /*------------------------------------------------------------------*/
1529 * Structures to export the Wireless Handlers
1532 static const iw_handler ray_handler
[] = {
1533 [SIOCSIWCOMMIT
- SIOCIWFIRST
] = (iw_handler
) ray_commit
,
1534 [SIOCGIWNAME
- SIOCIWFIRST
] = (iw_handler
) ray_get_name
,
1535 [SIOCSIWFREQ
- SIOCIWFIRST
] = (iw_handler
) ray_set_freq
,
1536 [SIOCGIWFREQ
- SIOCIWFIRST
] = (iw_handler
) ray_get_freq
,
1537 [SIOCSIWMODE
- SIOCIWFIRST
] = (iw_handler
) ray_set_mode
,
1538 [SIOCGIWMODE
- SIOCIWFIRST
] = (iw_handler
) ray_get_mode
,
1539 [SIOCGIWRANGE
- SIOCIWFIRST
] = (iw_handler
) ray_get_range
,
1541 [SIOCSIWSPY
- SIOCIWFIRST
] = (iw_handler
) iw_handler_set_spy
,
1542 [SIOCGIWSPY
- SIOCIWFIRST
] = (iw_handler
) iw_handler_get_spy
,
1543 [SIOCSIWTHRSPY
- SIOCIWFIRST
] = (iw_handler
) iw_handler_set_thrspy
,
1544 [SIOCGIWTHRSPY
- SIOCIWFIRST
] = (iw_handler
) iw_handler_get_thrspy
,
1545 #endif /* WIRELESS_SPY */
1546 [SIOCGIWAP
- SIOCIWFIRST
] = (iw_handler
) ray_get_wap
,
1547 [SIOCSIWESSID
- SIOCIWFIRST
] = (iw_handler
) ray_set_essid
,
1548 [SIOCGIWESSID
- SIOCIWFIRST
] = (iw_handler
) ray_get_essid
,
1549 [SIOCSIWRATE
- SIOCIWFIRST
] = (iw_handler
) ray_set_rate
,
1550 [SIOCGIWRATE
- SIOCIWFIRST
] = (iw_handler
) ray_get_rate
,
1551 [SIOCSIWRTS
- SIOCIWFIRST
] = (iw_handler
) ray_set_rts
,
1552 [SIOCGIWRTS
- SIOCIWFIRST
] = (iw_handler
) ray_get_rts
,
1553 [SIOCSIWFRAG
- SIOCIWFIRST
] = (iw_handler
) ray_set_frag
,
1554 [SIOCGIWFRAG
- SIOCIWFIRST
] = (iw_handler
) ray_get_frag
,
1557 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1558 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1559 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1561 static const iw_handler ray_private_handler
[] = {
1562 [0] = (iw_handler
) ray_set_framing
,
1563 [1] = (iw_handler
) ray_get_framing
,
1564 [3] = (iw_handler
) ray_get_country
,
1567 static const struct iw_priv_args ray_private_args
[] = {
1568 /* cmd, set_args, get_args, name */
1569 {SIOCSIPFRAMING
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, 0,
1571 {SIOCGIPFRAMING
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1,
1573 {SIOCGIPCOUNTRY
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1,
1577 static const struct iw_handler_def ray_handler_def
= {
1578 .num_standard
= ARRAY_SIZE(ray_handler
),
1579 .num_private
= ARRAY_SIZE(ray_private_handler
),
1580 .num_private_args
= ARRAY_SIZE(ray_private_args
),
1581 .standard
= ray_handler
,
1582 .private = ray_private_handler
,
1583 .private_args
= ray_private_args
,
1584 .get_wireless_stats
= ray_get_wireless_stats
,
1587 /*===========================================================================*/
1588 static int ray_open(struct net_device
*dev
)
1590 ray_dev_t
*local
= netdev_priv(dev
);
1591 struct pcmcia_device
*link
;
1592 link
= local
->finder
;
1594 dev_dbg(&link
->dev
, "ray_open('%s')\n", dev
->name
);
1596 if (link
->open
== 0)
1597 local
->num_multi
= 0;
1600 /* If the card is not started, time to start it ! - Jean II */
1601 if (local
->card_status
== CARD_AWAITING_PARAM
) {
1604 dev_dbg(&link
->dev
, "ray_open: doing init now !\n");
1606 /* Download startup parameters */
1607 if ((i
= dl_startup_params(dev
)) < 0) {
1609 "ray_dev_init dl_startup_params failed - "
1610 "returns 0x%x\n", i
);
1616 netif_stop_queue(dev
);
1618 netif_start_queue(dev
);
1620 dev_dbg(&link
->dev
, "ray_open ending\n");
1622 } /* end ray_open */
1624 /*===========================================================================*/
1625 static int ray_dev_close(struct net_device
*dev
)
1627 ray_dev_t
*local
= netdev_priv(dev
);
1628 struct pcmcia_device
*link
;
1629 link
= local
->finder
;
1631 dev_dbg(&link
->dev
, "ray_dev_close('%s')\n", dev
->name
);
1634 netif_stop_queue(dev
);
1636 /* In here, we should stop the hardware (stop card from beeing active)
1637 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1638 * card is closed we can chage its configuration.
1639 * Probably also need a COR reset to get sane state - Jean II */
1642 } /* end ray_dev_close */
1644 /*===========================================================================*/
1645 static void ray_reset(struct net_device
*dev
)
1647 pr_debug("ray_reset entered\n");
1651 /*===========================================================================*/
1652 /* Cause a firmware interrupt if it is ready for one */
1653 /* Return nonzero if not ready */
1654 static int interrupt_ecf(ray_dev_t
*local
, int ccs
)
1657 struct pcmcia_device
*link
= local
->finder
;
1659 if (!(pcmcia_dev_present(link
))) {
1660 dev_dbg(&link
->dev
, "ray_cs interrupt_ecf - device not present\n");
1663 dev_dbg(&link
->dev
, "interrupt_ecf(local=%p, ccs = 0x%x\n", local
, ccs
);
1666 (readb(local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
) &
1670 dev_dbg(&link
->dev
, "ray_cs interrupt_ecf card not ready for interrupt\n");
1673 /* Fill the mailbox, then kick the card */
1674 writeb(ccs
, local
->sram
+ SCB_BASE
);
1675 writeb(ECF_INTR_SET
, local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
);
1677 } /* interrupt_ecf */
1679 /*===========================================================================*/
1680 /* Get next free transmit CCS */
1681 /* Return - index of current tx ccs */
1682 static int get_free_tx_ccs(ray_dev_t
*local
)
1685 struct ccs __iomem
*pccs
= ccs_base(local
);
1686 struct pcmcia_device
*link
= local
->finder
;
1688 if (!(pcmcia_dev_present(link
))) {
1689 dev_dbg(&link
->dev
, "ray_cs get_free_tx_ccs - device not present\n");
1693 if (test_and_set_bit(0, &local
->tx_ccs_lock
)) {
1694 dev_dbg(&link
->dev
, "ray_cs tx_ccs_lock busy\n");
1698 for (i
= 0; i
< NUMBER_OF_TX_CCS
; i
++) {
1699 if (readb(&(pccs
+ i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1700 writeb(CCS_BUFFER_BUSY
, &(pccs
+ i
)->buffer_status
);
1701 writeb(CCS_END_LIST
, &(pccs
+ i
)->link
);
1702 local
->tx_ccs_lock
= 0;
1706 local
->tx_ccs_lock
= 0;
1707 dev_dbg(&link
->dev
, "ray_cs ERROR no free tx CCS for raylink card\n");
1709 } /* get_free_tx_ccs */
1711 /*===========================================================================*/
1712 /* Get next free CCS */
1713 /* Return - index of current ccs */
1714 static int get_free_ccs(ray_dev_t
*local
)
1717 struct ccs __iomem
*pccs
= ccs_base(local
);
1718 struct pcmcia_device
*link
= local
->finder
;
1720 if (!(pcmcia_dev_present(link
))) {
1721 dev_dbg(&link
->dev
, "ray_cs get_free_ccs - device not present\n");
1724 if (test_and_set_bit(0, &local
->ccs_lock
)) {
1725 dev_dbg(&link
->dev
, "ray_cs ccs_lock busy\n");
1729 for (i
= NUMBER_OF_TX_CCS
; i
< NUMBER_OF_CCS
; i
++) {
1730 if (readb(&(pccs
+ i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1731 writeb(CCS_BUFFER_BUSY
, &(pccs
+ i
)->buffer_status
);
1732 writeb(CCS_END_LIST
, &(pccs
+ i
)->link
);
1733 local
->ccs_lock
= 0;
1737 local
->ccs_lock
= 0;
1738 dev_dbg(&link
->dev
, "ray_cs ERROR no free CCS for raylink card\n");
1740 } /* get_free_ccs */
1742 /*===========================================================================*/
1743 static void authenticate_timeout(u_long data
)
1745 ray_dev_t
*local
= (ray_dev_t
*) data
;
1746 del_timer(&local
->timer
);
1747 printk(KERN_INFO
"ray_cs Authentication with access point failed"
1749 join_net((u_long
) local
);
1752 /*===========================================================================*/
1753 static int asc_to_int(char a
)
1762 return (10 + a
- 'A');
1766 return (10 + a
- 'a');
1770 /*===========================================================================*/
1771 static int parse_addr(char *in_str
, UCHAR
*out
)
1779 if ((len
= strlen(in_str
)) < 2)
1781 memset(out
, 0, ADDRLEN
);
1790 if ((k
= asc_to_int(in_str
[j
--])) != -1)
1797 if ((k
= asc_to_int(in_str
[j
--])) != -1)
1807 /*===========================================================================*/
1808 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
)
1810 ray_dev_t
*local
= netdev_priv(dev
);
1811 struct pcmcia_device
*link
= local
->finder
;
1812 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1813 if (!(pcmcia_dev_present(link
))) {
1814 dev_dbg(&link
->dev
, "ray_cs net_device_stats - device not present\n");
1815 return &local
->stats
;
1817 if (readb(&p
->mrx_overflow_for_host
)) {
1818 local
->stats
.rx_over_errors
+= swab16(readw(&p
->mrx_overflow
));
1819 writeb(0, &p
->mrx_overflow
);
1820 writeb(0, &p
->mrx_overflow_for_host
);
1822 if (readb(&p
->mrx_checksum_error_for_host
)) {
1823 local
->stats
.rx_crc_errors
+=
1824 swab16(readw(&p
->mrx_checksum_error
));
1825 writeb(0, &p
->mrx_checksum_error
);
1826 writeb(0, &p
->mrx_checksum_error_for_host
);
1828 if (readb(&p
->rx_hec_error_for_host
)) {
1829 local
->stats
.rx_frame_errors
+= swab16(readw(&p
->rx_hec_error
));
1830 writeb(0, &p
->rx_hec_error
);
1831 writeb(0, &p
->rx_hec_error_for_host
);
1833 return &local
->stats
;
1836 /*===========================================================================*/
1837 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
,
1840 ray_dev_t
*local
= netdev_priv(dev
);
1841 struct pcmcia_device
*link
= local
->finder
;
1844 struct ccs __iomem
*pccs
;
1846 if (!(pcmcia_dev_present(link
))) {
1847 dev_dbg(&link
->dev
, "ray_update_parm - device not present\n");
1851 if ((ccsindex
= get_free_ccs(local
)) < 0) {
1852 dev_dbg(&link
->dev
, "ray_update_parm - No free ccs\n");
1855 pccs
= ccs_base(local
) + ccsindex
;
1856 writeb(CCS_UPDATE_PARAMS
, &pccs
->cmd
);
1857 writeb(objid
, &pccs
->var
.update_param
.object_id
);
1858 writeb(1, &pccs
->var
.update_param
.number_objects
);
1859 writeb(0, &pccs
->var
.update_param
.failure_cause
);
1860 for (i
= 0; i
< len
; i
++) {
1861 writeb(value
[i
], local
->sram
+ HOST_TO_ECF_BASE
);
1863 /* Interrupt the firmware to process the command */
1864 if (interrupt_ecf(local
, ccsindex
)) {
1865 dev_dbg(&link
->dev
, "ray_cs associate failed - ECF not ready for intr\n");
1866 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1870 /*===========================================================================*/
1871 static void ray_update_multi_list(struct net_device
*dev
, int all
)
1874 struct ccs __iomem
*pccs
;
1875 ray_dev_t
*local
= netdev_priv(dev
);
1876 struct pcmcia_device
*link
= local
->finder
;
1877 void __iomem
*p
= local
->sram
+ HOST_TO_ECF_BASE
;
1879 if (!(pcmcia_dev_present(link
))) {
1880 dev_dbg(&link
->dev
, "ray_update_multi_list - device not present\n");
1883 dev_dbg(&link
->dev
, "ray_update_multi_list(%p)\n", dev
);
1884 if ((ccsindex
= get_free_ccs(local
)) < 0) {
1885 dev_dbg(&link
->dev
, "ray_update_multi - No free ccs\n");
1888 pccs
= ccs_base(local
) + ccsindex
;
1889 writeb(CCS_UPDATE_MULTICAST_LIST
, &pccs
->cmd
);
1892 writeb(0xff, &pccs
->var
);
1893 local
->num_multi
= 0xff;
1895 struct dev_mc_list
*dmi
;
1898 /* Copy the kernel's list of MC addresses to card */
1899 netdev_for_each_mc_addr(dmi
, dev
) {
1900 memcpy_toio(p
, dmi
->dmi_addr
, ETH_ALEN
);
1902 "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1903 dmi
->dmi_addr
[0], dmi
->dmi_addr
[1],
1904 dmi
->dmi_addr
[2], dmi
->dmi_addr
[3],
1905 dmi
->dmi_addr
[4], dmi
->dmi_addr
[5]);
1909 if (i
> 256 / ADDRLEN
)
1911 writeb((UCHAR
) i
, &pccs
->var
);
1912 dev_dbg(&link
->dev
, "ray_cs update_multi %d addresses in list\n", i
);
1913 /* Interrupt the firmware to process the command */
1914 local
->num_multi
= i
;
1916 if (interrupt_ecf(local
, ccsindex
)) {
1918 "ray_cs update_multi failed - ECF not ready for intr\n");
1919 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1921 } /* end ray_update_multi_list */
1923 /*===========================================================================*/
1924 static void set_multicast_list(struct net_device
*dev
)
1926 ray_dev_t
*local
= netdev_priv(dev
);
1929 pr_debug("ray_cs set_multicast_list(%p)\n", dev
);
1931 if (dev
->flags
& IFF_PROMISC
) {
1932 if (local
->sparm
.b5
.a_promiscuous_mode
== 0) {
1933 pr_debug("ray_cs set_multicast_list promisc on\n");
1934 local
->sparm
.b5
.a_promiscuous_mode
= 1;
1936 ray_update_parm(dev
, OBJID_promiscuous_mode
,
1937 &promisc
, sizeof(promisc
));
1940 if (local
->sparm
.b5
.a_promiscuous_mode
== 1) {
1941 pr_debug("ray_cs set_multicast_list promisc off\n");
1942 local
->sparm
.b5
.a_promiscuous_mode
= 0;
1944 ray_update_parm(dev
, OBJID_promiscuous_mode
,
1945 &promisc
, sizeof(promisc
));
1949 if (dev
->flags
& IFF_ALLMULTI
)
1950 ray_update_multi_list(dev
, 1);
1952 if (local
->num_multi
!= netdev_mc_count(dev
))
1953 ray_update_multi_list(dev
, 0);
1955 } /* end set_multicast_list */
1957 /*=============================================================================
1958 * All routines below here are run at interrupt time.
1959 =============================================================================*/
1960 static irqreturn_t
ray_interrupt(int irq
, void *dev_id
)
1962 struct net_device
*dev
= (struct net_device
*)dev_id
;
1963 struct pcmcia_device
*link
;
1965 struct ccs __iomem
*pccs
;
1966 struct rcs __iomem
*prcs
;
1972 if (dev
== NULL
) /* Note that we want interrupts with dev->start == 0 */
1975 pr_debug("ray_cs: interrupt for *dev=%p\n", dev
);
1977 local
= netdev_priv(dev
);
1978 link
= (struct pcmcia_device
*)local
->finder
;
1979 if (!pcmcia_dev_present(link
)) {
1981 "ray_cs interrupt from device not present or suspended.\n");
1984 rcsindex
= readb(&((struct scb __iomem
*)(local
->sram
))->rcs_index
);
1986 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
)) {
1987 dev_dbg(&link
->dev
, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex
);
1988 clear_interrupt(local
);
1991 if (rcsindex
< NUMBER_OF_CCS
) { /* If it's a returned CCS */
1992 pccs
= ccs_base(local
) + rcsindex
;
1993 cmd
= readb(&pccs
->cmd
);
1994 status
= readb(&pccs
->buffer_status
);
1996 case CCS_DOWNLOAD_STARTUP_PARAMS
: /* Happens in firmware someday */
1997 del_timer(&local
->timer
);
1998 if (status
== CCS_COMMAND_COMPLETE
) {
2000 "ray_cs interrupt download_startup_parameters OK\n");
2003 "ray_cs interrupt download_startup_parameters fail\n");
2006 case CCS_UPDATE_PARAMS
:
2007 dev_dbg(&link
->dev
, "ray_cs interrupt update params done\n");
2008 if (status
!= CCS_COMMAND_COMPLETE
) {
2010 readb(&pccs
->var
.update_param
.
2013 "ray_cs interrupt update params failed - reason %d\n",
2017 case CCS_REPORT_PARAMS
:
2018 dev_dbg(&link
->dev
, "ray_cs interrupt report params done\n");
2020 case CCS_UPDATE_MULTICAST_LIST
: /* Note that this CCS isn't returned */
2022 "ray_cs interrupt CCS Update Multicast List done\n");
2024 case CCS_UPDATE_POWER_SAVINGS_MODE
:
2026 "ray_cs interrupt update power save mode done\n");
2028 case CCS_START_NETWORK
:
2029 case CCS_JOIN_NETWORK
:
2030 if (status
== CCS_COMMAND_COMPLETE
) {
2032 (&pccs
->var
.start_network
.net_initiated
) ==
2035 "ray_cs interrupt network \"%s\" started\n",
2036 local
->sparm
.b4
.a_current_ess_id
);
2039 "ray_cs interrupt network \"%s\" joined\n",
2040 local
->sparm
.b4
.a_current_ess_id
);
2042 memcpy_fromio(&local
->bss_id
,
2043 pccs
->var
.start_network
.bssid
,
2046 if (local
->fw_ver
== 0x55)
2047 local
->net_default_tx_rate
= 3;
2049 local
->net_default_tx_rate
=
2050 readb(&pccs
->var
.start_network
.
2051 net_default_tx_rate
);
2053 readb(&pccs
->var
.start_network
.encryption
);
2054 if (!sniffer
&& (local
->net_type
== INFRA
)
2055 && !(local
->sparm
.b4
.a_acting_as_ap_status
)) {
2056 authenticate(local
);
2058 local
->card_status
= CARD_ACQ_COMPLETE
;
2060 local
->card_status
= CARD_ACQ_FAILED
;
2062 del_timer(&local
->timer
);
2063 local
->timer
.expires
= jiffies
+ HZ
* 5;
2064 local
->timer
.data
= (long)local
;
2065 if (status
== CCS_START_NETWORK
) {
2067 "ray_cs interrupt network \"%s\" start failed\n",
2068 local
->sparm
.b4
.a_current_ess_id
);
2069 local
->timer
.function
= &start_net
;
2072 "ray_cs interrupt network \"%s\" join failed\n",
2073 local
->sparm
.b4
.a_current_ess_id
);
2074 local
->timer
.function
= &join_net
;
2076 add_timer(&local
->timer
);
2079 case CCS_START_ASSOCIATION
:
2080 if (status
== CCS_COMMAND_COMPLETE
) {
2081 local
->card_status
= CARD_ASSOC_COMPLETE
;
2082 dev_dbg(&link
->dev
, "ray_cs association successful\n");
2084 dev_dbg(&link
->dev
, "ray_cs association failed,\n");
2085 local
->card_status
= CARD_ASSOC_FAILED
;
2086 join_net((u_long
) local
);
2089 case CCS_TX_REQUEST
:
2090 if (status
== CCS_COMMAND_COMPLETE
) {
2092 "ray_cs interrupt tx request complete\n");
2095 "ray_cs interrupt tx request failed\n");
2098 netif_start_queue(dev
);
2099 netif_wake_queue(dev
);
2101 case CCS_TEST_MEMORY
:
2102 dev_dbg(&link
->dev
, "ray_cs interrupt mem test done\n");
2106 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2108 case CCS_DUMP_MEMORY
:
2109 dev_dbg(&link
->dev
, "ray_cs interrupt dump memory done\n");
2111 case CCS_START_TIMER
:
2113 "ray_cs interrupt DING - raylink timer expired\n");
2117 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2120 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
2121 } else { /* It's an RCS */
2123 prcs
= rcs_base(local
) + rcsindex
;
2125 switch (readb(&prcs
->interrupt_id
)) {
2126 case PROCESS_RX_PACKET
:
2127 ray_rx(dev
, local
, prcs
);
2129 case REJOIN_NET_COMPLETE
:
2130 dev_dbg(&link
->dev
, "ray_cs interrupt rejoin net complete\n");
2131 local
->card_status
= CARD_ACQ_COMPLETE
;
2132 /* do we need to clear tx buffers CCS's? */
2133 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2135 netif_start_queue(dev
);
2137 memcpy_fromio(&local
->bss_id
,
2138 prcs
->var
.rejoin_net_complete
.
2141 "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2142 local
->bss_id
[0], local
->bss_id
[1],
2143 local
->bss_id
[2], local
->bss_id
[3],
2144 local
->bss_id
[4], local
->bss_id
[5]);
2146 authenticate(local
);
2149 case ROAMING_INITIATED
:
2150 dev_dbg(&link
->dev
, "ray_cs interrupt roaming initiated\n");
2151 netif_stop_queue(dev
);
2152 local
->card_status
= CARD_DOING_ACQ
;
2154 case JAPAN_CALL_SIGN_RXD
:
2155 dev_dbg(&link
->dev
, "ray_cs interrupt japan call sign rx\n");
2159 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2161 (unsigned int)readb(&prcs
->interrupt_id
));
2164 writeb(CCS_BUFFER_FREE
, &prcs
->buffer_status
);
2166 clear_interrupt(local
);
2168 } /* ray_interrupt */
2170 /*===========================================================================*/
2171 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
,
2172 struct rcs __iomem
*prcs
)
2175 unsigned int pkt_addr
;
2177 pr_debug("ray_rx process rx packet\n");
2179 /* Calculate address of packet within Rx buffer */
2180 pkt_addr
= ((readb(&prcs
->var
.rx_packet
.rx_data_ptr
[0]) << 8)
2181 + readb(&prcs
->var
.rx_packet
.rx_data_ptr
[1])) & RX_BUFF_END
;
2182 /* Length of first packet fragment */
2183 rx_len
= (readb(&prcs
->var
.rx_packet
.rx_data_length
[0]) << 8)
2184 + readb(&prcs
->var
.rx_packet
.rx_data_length
[1]);
2186 local
->last_rsl
= readb(&prcs
->var
.rx_packet
.rx_sig_lev
);
2187 pmsg
= local
->rmem
+ pkt_addr
;
2188 switch (readb(pmsg
)) {
2190 pr_debug("ray_rx data type\n");
2191 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2193 case AUTHENTIC_TYPE
:
2194 pr_debug("ray_rx authentic type\n");
2196 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2198 rx_authenticate(local
, prcs
, pkt_addr
, rx_len
);
2200 case DEAUTHENTIC_TYPE
:
2201 pr_debug("ray_rx deauth type\n");
2203 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2205 rx_deauthenticate(local
, prcs
, pkt_addr
, rx_len
);
2208 pr_debug("ray_cs rx NULL msg\n");
2211 pr_debug("ray_rx beacon type\n");
2213 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2215 copy_from_rx_buff(local
, (UCHAR
*) &local
->last_bcn
, pkt_addr
,
2216 rx_len
< sizeof(struct beacon_rx
) ?
2217 rx_len
: sizeof(struct beacon_rx
));
2219 local
->beacon_rxed
= 1;
2220 /* Get the statistics so the card counters never overflow */
2224 pr_debug("ray_cs unknown pkt type %2x\n",
2225 (unsigned int)readb(pmsg
));
2231 /*===========================================================================*/
2232 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
,
2233 unsigned int pkt_addr
, int rx_len
)
2235 struct sk_buff
*skb
= NULL
;
2236 struct rcs __iomem
*prcslink
= prcs
;
2237 ray_dev_t
*local
= netdev_priv(dev
);
2242 int siglev
= local
->last_rsl
;
2243 u_char linksrcaddr
[ETH_ALEN
]; /* Other end of the wireless link */
2248 /* TBD length needs fixing for translated header */
2249 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2251 (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+
2254 "ray_cs invalid packet length %d received \n",
2258 } else { /* encapsulated ethernet */
2260 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2262 (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+
2265 "ray_cs invalid packet length %d received \n",
2271 pr_debug("ray_cs rx_data packet\n");
2272 /* If fragmented packet, verify sizes of fragments add up */
2273 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2274 pr_debug("ray_cs rx'ed fragment\n");
2275 tmp
= (readb(&prcs
->var
.rx_packet
.totalpacketlength
[0]) << 8)
2276 + readb(&prcs
->var
.rx_packet
.totalpacketlength
[1]);
2281 (readb(&prcslink
->var
.rx_packet
.rx_data_length
[0])
2283 + readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]);
2284 if (readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
)
2287 prcslink
= rcs_base(local
)
2288 + readb(&prcslink
->link_field
);
2293 "ray_cs rx_data fragment lengths don't add up\n");
2294 local
->stats
.rx_dropped
++;
2295 release_frag_chain(local
, prcs
);
2298 } else { /* Single unfragmented packet */
2302 skb
= dev_alloc_skb(total_len
+ 5);
2304 pr_debug("ray_cs rx_data could not allocate skb\n");
2305 local
->stats
.rx_dropped
++;
2306 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF)
2307 release_frag_chain(local
, prcs
);
2310 skb_reserve(skb
, 2); /* Align IP on 16 byte (TBD check this) */
2312 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_len
,
2315 /************************/
2316 /* Reserve enough room for the whole damn packet. */
2317 rx_ptr
= skb_put(skb
, total_len
);
2318 /* Copy the whole packet to sk_buff */
2320 copy_from_rx_buff(local
, rx_ptr
, pkt_addr
& RX_BUFF_END
, rx_len
);
2321 /* Get source address */
2323 skb_copy_from_linear_data_offset(skb
,
2324 offsetof(struct mac_header
, addr_2
),
2325 linksrcaddr
, ETH_ALEN
);
2327 /* Now, deal with encapsulation/translation/sniffer */
2330 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2331 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2332 skb_pull(skb
, RX_MAC_HEADER_LENGTH
);
2334 /* Do translation */
2335 untranslate(local
, skb
, total_len
);
2337 } else { /* sniffer mode, so just pass whole packet */
2340 /************************/
2341 /* Now pick up the rest of the fragments if any */
2343 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2345 pr_debug("ray_cs rx_data in fragment loop\n");
2347 prcslink
= rcs_base(local
)
2349 readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2351 ((readb(&prcslink
->var
.rx_packet
.rx_data_length
[0])
2354 readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]))
2357 ((readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[0]) <<
2359 + readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[1]))
2363 copy_from_rx_buff(local
, rx_ptr
, pkt_addr
, rx_len
);
2366 readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
) !=
2368 release_frag_chain(local
, prcs
);
2371 skb
->protocol
= eth_type_trans(skb
, dev
);
2373 local
->stats
.rx_packets
++;
2374 local
->stats
.rx_bytes
+= total_len
;
2376 /* Gather signal strength per address */
2378 /* For the Access Point or the node having started the ad-hoc net
2379 * note : ad-hoc work only in some specific configurations, but we
2380 * kludge in ray_get_wireless_stats... */
2381 if (!memcmp(linksrcaddr
, local
->bss_id
, ETH_ALEN
)) {
2382 /* Update statistics */
2383 /*local->wstats.qual.qual = none ? */
2384 local
->wstats
.qual
.level
= siglev
;
2385 /*local->wstats.qual.noise = none ? */
2386 local
->wstats
.qual
.updated
= 0x2;
2388 /* Now, update the spy stuff */
2390 struct iw_quality wstats
;
2391 wstats
.level
= siglev
;
2392 /* wstats.noise = none ? */
2393 /* wstats.qual = none ? */
2394 wstats
.updated
= 0x2;
2395 /* Update spy records */
2396 wireless_spy_update(dev
, linksrcaddr
, &wstats
);
2398 #endif /* WIRELESS_SPY */
2401 /*===========================================================================*/
2402 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
)
2404 snaphdr_t
*psnap
= (snaphdr_t
*) (skb
->data
+ RX_MAC_HEADER_LENGTH
);
2405 struct ieee80211_hdr
*pmac
= (struct ieee80211_hdr
*)skb
->data
;
2406 __be16 type
= *(__be16
*) psnap
->ethertype
;
2408 struct ethhdr
*peth
;
2409 UCHAR srcaddr
[ADDRLEN
];
2410 UCHAR destaddr
[ADDRLEN
];
2411 static UCHAR org_bridge
[3] = { 0, 0, 0xf8 };
2412 static UCHAR org_1042
[3] = { 0, 0, 0 };
2414 memcpy(destaddr
, ieee80211_get_DA(pmac
), ADDRLEN
);
2415 memcpy(srcaddr
, ieee80211_get_SA(pmac
), ADDRLEN
);
2419 print_hex_dump(KERN_DEBUG
, "skb->data before untranslate: ",
2420 DUMP_PREFIX_NONE
, 16, 1,
2421 skb
->data
, 64, true);
2423 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2424 ntohs(type
), psnap
->dsap
, psnap
->ssap
, psnap
->ctrl
,
2425 psnap
->org
[0], psnap
->org
[1], psnap
->org
[2]);
2426 printk(KERN_DEBUG
"untranslate skb->data = %p\n", skb
->data
);
2430 if (psnap
->dsap
!= 0xaa || psnap
->ssap
!= 0xaa || psnap
->ctrl
!= 3) {
2431 /* not a snap type so leave it alone */
2432 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2433 psnap
->dsap
, psnap
->ssap
, psnap
->ctrl
);
2435 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2436 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2437 peth
->h_proto
= htons(len
- RX_MAC_HEADER_LENGTH
);
2438 } else { /* Its a SNAP */
2439 if (memcmp(psnap
->org
, org_bridge
, 3) == 0) {
2440 /* EtherII and nuke the LLC */
2441 pr_debug("ray_cs untranslate Bridge encap\n");
2442 delta
= RX_MAC_HEADER_LENGTH
2443 + sizeof(struct snaphdr_t
) - ETH_HLEN
;
2444 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2445 peth
->h_proto
= type
;
2446 } else if (memcmp(psnap
->org
, org_1042
, 3) == 0) {
2447 switch (ntohs(type
)) {
2450 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2451 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2452 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2454 htons(len
- RX_MAC_HEADER_LENGTH
);
2457 pr_debug("ray_cs untranslate RFC default\n");
2458 delta
= RX_MAC_HEADER_LENGTH
+
2459 sizeof(struct snaphdr_t
) - ETH_HLEN
;
2460 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2461 peth
->h_proto
= type
;
2465 printk("ray_cs untranslate very confused by packet\n");
2466 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2467 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2468 peth
->h_proto
= type
;
2471 /* TBD reserve skb_reserve(skb, delta); */
2472 skb_pull(skb
, delta
);
2473 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta
,
2475 memcpy(peth
->h_dest
, destaddr
, ADDRLEN
);
2476 memcpy(peth
->h_source
, srcaddr
, ADDRLEN
);
2480 printk(KERN_DEBUG
"skb->data after untranslate:");
2481 for (i
= 0; i
< 64; i
++)
2482 printk("%02x ", skb
->data
[i
]);
2486 } /* end untranslate */
2488 /*===========================================================================*/
2489 /* Copy data from circular receive buffer to PC memory.
2490 * dest = destination address in PC memory
2491 * pkt_addr = source address in receive buffer
2492 * len = length of packet to copy
2494 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
,
2497 int wrap_bytes
= (pkt_addr
+ length
) - (RX_BUFF_END
+ 1);
2498 if (wrap_bytes
<= 0) {
2499 memcpy_fromio(dest
, local
->rmem
+ pkt_addr
, length
);
2500 } else { /* Packet wrapped in circular buffer */
2502 memcpy_fromio(dest
, local
->rmem
+ pkt_addr
,
2503 length
- wrap_bytes
);
2504 memcpy_fromio(dest
+ length
- wrap_bytes
, local
->rmem
,
2510 /*===========================================================================*/
2511 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
*prcs
)
2513 struct rcs __iomem
*prcslink
= prcs
;
2515 unsigned rcsindex
= readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
);
2518 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2519 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
)) {
2520 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2524 prcslink
= rcs_base(local
) + rcsindex
;
2525 rcsindex
= readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2527 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2530 /*===========================================================================*/
2531 static void authenticate(ray_dev_t
*local
)
2533 struct pcmcia_device
*link
= local
->finder
;
2534 dev_dbg(&link
->dev
, "ray_cs Starting authentication.\n");
2535 if (!(pcmcia_dev_present(link
))) {
2536 dev_dbg(&link
->dev
, "ray_cs authenticate - device not present\n");
2540 del_timer(&local
->timer
);
2541 if (build_auth_frame(local
, local
->bss_id
, OPEN_AUTH_REQUEST
)) {
2542 local
->timer
.function
= &join_net
;
2544 local
->timer
.function
= &authenticate_timeout
;
2546 local
->timer
.expires
= jiffies
+ HZ
* 2;
2547 local
->timer
.data
= (long)local
;
2548 add_timer(&local
->timer
);
2549 local
->authentication_state
= AWAITING_RESPONSE
;
2550 } /* end authenticate */
2552 /*===========================================================================*/
2553 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2554 unsigned int pkt_addr
, int rx_len
)
2557 struct rx_msg
*msg
= (struct rx_msg
*)buff
;
2559 del_timer(&local
->timer
);
2561 copy_from_rx_buff(local
, buff
, pkt_addr
, rx_len
& 0xff);
2562 /* if we are trying to get authenticated */
2563 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2564 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2565 msg
->var
[0], msg
->var
[1], msg
->var
[2], msg
->var
[3],
2566 msg
->var
[4], msg
->var
[5]);
2567 if (msg
->var
[2] == 1) {
2568 pr_debug("ray_cs Sending authentication response.\n");
2569 if (!build_auth_frame
2570 (local
, msg
->mac
.addr_2
, OPEN_AUTH_RESPONSE
)) {
2571 local
->authentication_state
= NEED_TO_AUTH
;
2572 memcpy(local
->auth_id
, msg
->mac
.addr_2
,
2576 } else { /* Infrastructure network */
2578 if (local
->authentication_state
== AWAITING_RESPONSE
) {
2579 /* Verify authentication sequence #2 and success */
2580 if (msg
->var
[2] == 2) {
2581 if ((msg
->var
[3] | msg
->var
[4]) == 0) {
2582 pr_debug("Authentication successful\n");
2583 local
->card_status
= CARD_AUTH_COMPLETE
;
2585 local
->authentication_state
=
2588 pr_debug("Authentication refused\n");
2589 local
->card_status
= CARD_AUTH_REFUSED
;
2590 join_net((u_long
) local
);
2591 local
->authentication_state
=
2598 } /* end rx_authenticate */
2600 /*===========================================================================*/
2601 static void associate(ray_dev_t
*local
)
2603 struct ccs __iomem
*pccs
;
2604 struct pcmcia_device
*link
= local
->finder
;
2605 struct net_device
*dev
= link
->priv
;
2607 if (!(pcmcia_dev_present(link
))) {
2608 dev_dbg(&link
->dev
, "ray_cs associate - device not present\n");
2611 /* If no tx buffers available, return */
2612 if ((ccsindex
= get_free_ccs(local
)) < 0) {
2613 /* TBD should never be here but... what if we are? */
2614 dev_dbg(&link
->dev
, "ray_cs associate - No free ccs\n");
2617 dev_dbg(&link
->dev
, "ray_cs Starting association with access point\n");
2618 pccs
= ccs_base(local
) + ccsindex
;
2619 /* fill in the CCS */
2620 writeb(CCS_START_ASSOCIATION
, &pccs
->cmd
);
2621 /* Interrupt the firmware to process the command */
2622 if (interrupt_ecf(local
, ccsindex
)) {
2623 dev_dbg(&link
->dev
, "ray_cs associate failed - ECF not ready for intr\n");
2624 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2626 del_timer(&local
->timer
);
2627 local
->timer
.expires
= jiffies
+ HZ
* 2;
2628 local
->timer
.data
= (long)local
;
2629 local
->timer
.function
= &join_net
;
2630 add_timer(&local
->timer
);
2631 local
->card_status
= CARD_ASSOC_FAILED
;
2635 netif_start_queue(dev
);
2637 } /* end associate */
2639 /*===========================================================================*/
2640 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2641 unsigned int pkt_addr
, int rx_len
)
2644 struct rx_msg *msg = (struct rx_msg *)buff;
2646 pr_debug("Deauthentication frame received\n");
2647 local
->authentication_state
= UNAUTHENTICATED
;
2648 /* Need to reauthenticate or rejoin depending on reason code */
2649 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2653 /*===========================================================================*/
2654 static void clear_interrupt(ray_dev_t
*local
)
2656 writeb(0, local
->amem
+ CIS_OFFSET
+ HCS_INTR_OFFSET
);
2659 /*===========================================================================*/
2660 #ifdef CONFIG_PROC_FS
2661 #define MAXDATA (PAGE_SIZE - 80)
2663 static char *card_status
[] = {
2664 "Card inserted - uninitialized", /* 0 */
2665 "Card not downloaded", /* 1 */
2666 "Waiting for download parameters", /* 2 */
2667 "Card doing acquisition", /* 3 */
2668 "Acquisition complete", /* 4 */
2669 "Authentication complete", /* 5 */
2670 "Association complete", /* 6 */
2671 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2672 "Card init error", /* 11 */
2673 "Download parameters error", /* 12 */
2675 "Acquisition failed", /* 14 */
2676 "Authentication refused", /* 15 */
2677 "Association failed" /* 16 */
2680 static char *nettype
[] = { "Adhoc", "Infra " };
2681 static char *framing
[] = { "Encapsulation", "Translation" }
2684 /*===========================================================================*/
2685 static int ray_cs_proc_show(struct seq_file
*m
, void *v
)
2687 /* Print current values which are not available via other means
2691 struct pcmcia_device
*link
;
2692 struct net_device
*dev
;
2695 struct freq_hop_element
*pfh
;
2701 dev
= (struct net_device
*)link
->priv
;
2704 local
= netdev_priv(dev
);
2708 seq_puts(m
, "Raylink Wireless LAN driver status\n");
2709 seq_printf(m
, "%s\n", rcsid
);
2710 /* build 4 does not report version, and field is 0x55 after memtest */
2711 seq_puts(m
, "Firmware version = ");
2712 if (local
->fw_ver
== 0x55)
2713 seq_puts(m
, "4 - Use dump_cis for more details\n");
2715 seq_printf(m
, "%2d.%02d.%02d\n",
2716 local
->fw_ver
, local
->fw_bld
, local
->fw_var
);
2718 for (i
= 0; i
< 32; i
++)
2719 c
[i
] = local
->sparm
.b5
.a_current_ess_id
[i
];
2721 seq_printf(m
, "%s network ESSID = \"%s\"\n",
2722 nettype
[local
->sparm
.b5
.a_network_type
], c
);
2725 seq_printf(m
, "BSSID = %pM\n", p
);
2727 seq_printf(m
, "Country code = %d\n",
2728 local
->sparm
.b5
.a_curr_country_code
);
2730 i
= local
->card_status
;
2735 seq_printf(m
, "Card status = %s\n", card_status
[i
]);
2737 seq_printf(m
, "Framing mode = %s\n", framing
[translate
]);
2739 seq_printf(m
, "Last pkt signal lvl = %d\n", local
->last_rsl
);
2741 if (local
->beacon_rxed
) {
2742 /* Pull some fields out of last beacon received */
2743 seq_printf(m
, "Beacon Interval = %d Kus\n",
2744 local
->last_bcn
.beacon_intvl
[0]
2745 + 256 * local
->last_bcn
.beacon_intvl
[1]);
2747 p
= local
->last_bcn
.elements
;
2748 if (p
[0] == C_ESSID_ELEMENT_ID
)
2752 "Parse beacon failed at essid element id = %d\n",
2757 if (p
[0] == C_SUPPORTED_RATES_ELEMENT_ID
) {
2758 seq_puts(m
, "Supported rate codes = ");
2759 for (i
= 2; i
< p
[1] + 2; i
++)
2760 seq_printf(m
, "0x%02x ", p
[i
]);
2764 seq_puts(m
, "Parse beacon failed at rates element\n");
2768 if (p
[0] == C_FH_PARAM_SET_ELEMENT_ID
) {
2769 pfh
= (struct freq_hop_element
*)p
;
2770 seq_printf(m
, "Hop dwell = %d Kus\n",
2771 pfh
->dwell_time
[0] +
2772 256 * pfh
->dwell_time
[1]);
2773 seq_printf(m
, "Hop set = %d \n",
2775 seq_printf(m
, "Hop pattern = %d \n",
2777 seq_printf(m
, "Hop index = %d \n",
2782 "Parse beacon failed at FH param element\n");
2786 seq_puts(m
, "No beacons received\n");
2791 static int ray_cs_proc_open(struct inode
*inode
, struct file
*file
)
2793 return single_open(file
, ray_cs_proc_show
, NULL
);
2796 static const struct file_operations ray_cs_proc_fops
= {
2797 .owner
= THIS_MODULE
,
2798 .open
= ray_cs_proc_open
,
2800 .llseek
= seq_lseek
,
2801 .release
= single_release
,
2804 /*===========================================================================*/
2805 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
)
2808 struct ccs __iomem
*pccs
;
2809 struct tx_msg __iomem
*ptx
;
2812 /* If no tx buffers available, return */
2813 if ((ccsindex
= get_free_tx_ccs(local
)) < 0) {
2814 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2818 pccs
= ccs_base(local
) + ccsindex
;
2820 /* Address in card space */
2821 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
2822 /* fill in the CCS */
2823 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
2824 writeb(addr
>> 8, pccs
->var
.tx_request
.tx_data_ptr
);
2825 writeb(0x20, pccs
->var
.tx_request
.tx_data_ptr
+ 1);
2826 writeb(TX_AUTHENTICATE_LENGTH_MSB
, pccs
->var
.tx_request
.tx_data_length
);
2827 writeb(TX_AUTHENTICATE_LENGTH_LSB
,
2828 pccs
->var
.tx_request
.tx_data_length
+ 1);
2829 writeb(0, &pccs
->var
.tx_request
.pow_sav_mode
);
2831 ptx
= local
->sram
+ addr
;
2832 /* fill in the mac header */
2833 writeb(PROTOCOL_VER
| AUTHENTIC_TYPE
, &ptx
->mac
.frame_ctl_1
);
2834 writeb(0, &ptx
->mac
.frame_ctl_2
);
2836 memcpy_toio(ptx
->mac
.addr_1
, dest
, ADDRLEN
);
2837 memcpy_toio(ptx
->mac
.addr_2
, local
->sparm
.b4
.a_mac_addr
, ADDRLEN
);
2838 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
2840 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2841 memset_io(ptx
->var
, 0, 6);
2842 writeb(auth_type
& 0xff, ptx
->var
+ 2);
2844 /* Interrupt the firmware to process the command */
2845 if (interrupt_ecf(local
, ccsindex
)) {
2847 "ray_cs send authentication request failed - ECF not ready for intr\n");
2848 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2852 } /* End build_auth_frame */
2854 /*===========================================================================*/
2855 #ifdef CONFIG_PROC_FS
2856 static ssize_t
ray_cs_essid_proc_write(struct file
*file
,
2857 const char __user
*buffer
, size_t count
, loff_t
*pos
)
2859 static char proc_essid
[33];
2860 unsigned int len
= count
;
2864 memset(proc_essid
, 0, 33);
2865 if (copy_from_user(proc_essid
, buffer
, len
))
2871 static const struct file_operations ray_cs_essid_proc_fops
= {
2872 .owner
= THIS_MODULE
,
2873 .write
= ray_cs_essid_proc_write
,
2876 static ssize_t
int_proc_write(struct file
*file
, const char __user
*buffer
,
2877 size_t count
, loff_t
*pos
)
2879 static char proc_number
[10];
2888 if (copy_from_user(proc_number
, buffer
, count
))
2894 unsigned int c
= *p
- '0';
2900 *(int *)PDE(file
->f_path
.dentry
->d_inode
)->data
= nr
;
2904 static const struct file_operations int_proc_fops
= {
2905 .owner
= THIS_MODULE
,
2906 .write
= int_proc_write
,
2910 static struct pcmcia_device_id ray_ids
[] = {
2911 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2915 MODULE_DEVICE_TABLE(pcmcia
, ray_ids
);
2917 static struct pcmcia_driver ray_driver
= {
2918 .owner
= THIS_MODULE
,
2923 .remove
= ray_detach
,
2924 .id_table
= ray_ids
,
2925 .suspend
= ray_suspend
,
2926 .resume
= ray_resume
,
2929 static int __init
init_ray_cs(void)
2933 pr_debug("%s\n", rcsid
);
2934 rc
= pcmcia_register_driver(&ray_driver
);
2935 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2938 #ifdef CONFIG_PROC_FS
2939 proc_mkdir("driver/ray_cs", NULL
);
2941 proc_create("driver/ray_cs/ray_cs", 0, NULL
, &ray_cs_proc_fops
);
2942 proc_create("driver/ray_cs/essid", S_IWUSR
, NULL
, &ray_cs_essid_proc_fops
);
2943 proc_create_data("driver/ray_cs/net_type", S_IWUSR
, NULL
, &int_proc_fops
, &net_type
);
2944 proc_create_data("driver/ray_cs/translate", S_IWUSR
, NULL
, &int_proc_fops
, &translate
);
2951 /*===========================================================================*/
2953 static void __exit
exit_ray_cs(void)
2955 pr_debug("ray_cs: cleanup_module\n");
2957 #ifdef CONFIG_PROC_FS
2958 remove_proc_entry("driver/ray_cs/ray_cs", NULL
);
2959 remove_proc_entry("driver/ray_cs/essid", NULL
);
2960 remove_proc_entry("driver/ray_cs/net_type", NULL
);
2961 remove_proc_entry("driver/ray_cs/translate", NULL
);
2962 remove_proc_entry("driver/ray_cs", NULL
);
2965 pcmcia_unregister_driver(&ray_driver
);
2968 module_init(init_ray_cs
);
2969 module_exit(exit_ray_cs
);
2971 /*===========================================================================*/