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>
55 #include <linux/wireless.h>
56 #include <net/iw_handler.h>
59 #include <asm/system.h>
60 #include <asm/byteorder.h>
61 #include <asm/uaccess.h>
63 /* Warning : these stuff will slow down the driver... */
64 #define WIRELESS_SPY /* Enable spying addresses */
65 /* Definitions we need for spy */
66 typedef struct iw_statistics iw_stats
;
67 typedef u_char mac_addr
[ETH_ALEN
]; /* Hardware address */
73 /** Prototypes based on PCMCIA skeleton driver *******************************/
74 static int ray_config(struct pcmcia_device
*link
);
75 static void ray_release(struct pcmcia_device
*link
);
76 static void ray_detach(struct pcmcia_device
*p_dev
);
78 /***** Prototypes indicated by device structure ******************************/
79 static int ray_dev_close(struct net_device
*dev
);
80 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
);
81 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
);
82 static int ray_dev_init(struct net_device
*dev
);
84 static const struct ethtool_ops netdev_ethtool_ops
;
86 static int ray_open(struct net_device
*dev
);
87 static netdev_tx_t
ray_dev_start_xmit(struct sk_buff
*skb
,
88 struct net_device
*dev
);
89 static void set_multicast_list(struct net_device
*dev
);
90 static void ray_update_multi_list(struct net_device
*dev
, int all
);
91 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
92 unsigned char *data
, int len
);
93 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
94 UCHAR msg_type
, unsigned char *data
);
95 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
);
96 static iw_stats
*ray_get_wireless_stats(struct net_device
*dev
);
97 static const struct iw_handler_def ray_handler_def
;
99 /***** Prototypes for raylink functions **************************************/
100 static void authenticate(ray_dev_t
*local
);
101 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
);
102 static void authenticate_timeout(u_long
);
103 static int get_free_ccs(ray_dev_t
*local
);
104 static int get_free_tx_ccs(ray_dev_t
*local
);
105 static void init_startup_params(ray_dev_t
*local
);
106 static int parse_addr(char *in_str
, UCHAR
*out
);
107 static int ray_hw_xmit(unsigned char *data
, int len
, struct net_device
*dev
, UCHAR type
);
108 static int ray_init(struct net_device
*dev
);
109 static int interrupt_ecf(ray_dev_t
*local
, int ccs
);
110 static void ray_reset(struct net_device
*dev
);
111 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
, int len
);
112 static void verify_dl_startup(u_long
);
114 /* Prototypes for interrpt time functions **********************************/
115 static irqreturn_t
ray_interrupt(int reg
, void *dev_id
);
116 static void clear_interrupt(ray_dev_t
*local
);
117 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
118 unsigned int pkt_addr
, int rx_len
);
119 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
, int len
);
120 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
, struct rcs __iomem
*prcs
);
121 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
*prcs
);
122 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
123 unsigned int pkt_addr
, int rx_len
);
124 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
,
125 unsigned int pkt_addr
, int rx_len
);
126 static void associate(ray_dev_t
*local
);
128 /* Card command functions */
129 static int dl_startup_params(struct net_device
*dev
);
130 static void join_net(u_long local
);
131 static void start_net(u_long local
);
132 /* void start_net(ray_dev_t *local); */
134 /*===========================================================================*/
135 /* Parameters that can be set with 'insmod' */
137 /* ADHOC=0, Infrastructure=1 */
138 static int net_type
= ADHOC
;
140 /* Hop dwell time in Kus (1024 us units defined by 802.11) */
141 static int hop_dwell
= 128;
143 /* Beacon period in Kus */
144 static int beacon_period
= 256;
146 /* power save mode (0 = off, 1 = save power) */
149 /* String for network's Extended Service Set ID. 32 Characters max */
152 /* Default to encapsulation unless translation requested */
153 static int translate
= 1;
155 static int country
= USA
;
161 /* 48 bit physical card address if overriding card's real physical
162 * address is required. Since IEEE 802.11 addresses are 48 bits
163 * like ethernet, an int can't be used, so a string is used. To
164 * allow use of addresses starting with a decimal digit, the first
165 * character must be a letter and will be ignored. This letter is
166 * followed by up to 12 hex digits which are the address. If less
167 * than 12 digits are used, the address will be left filled with 0's.
168 * Note that bit 0 of the first byte is the broadcast bit, and evil
169 * things will happen if it is not 0 in a card address.
171 static char *phy_addr
= NULL
;
174 /* A struct pcmcia_device structure has fields for most things that are needed
175 to keep track of a socket, but there will usually be some device
176 specific information that also needs to be kept track of. The
177 'priv' pointer in a struct pcmcia_device structure can be used to point to
178 a device-specific private data structure, like this.
180 static unsigned int ray_mem_speed
= 500;
182 /* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */
183 static struct pcmcia_device
*this_device
= NULL
;
185 MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
186 MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
187 MODULE_LICENSE("GPL");
189 module_param(net_type
, int, 0);
190 module_param(hop_dwell
, int, 0);
191 module_param(beacon_period
, int, 0);
192 module_param(psm
, int, 0);
193 module_param(essid
, charp
, 0);
194 module_param(translate
, int, 0);
195 module_param(country
, int, 0);
196 module_param(sniffer
, int, 0);
197 module_param(bc
, int, 0);
198 module_param(phy_addr
, charp
, 0);
199 module_param(ray_mem_speed
, int, 0);
201 static UCHAR b5_default_startup_parms
[] = {
202 0, 0, /* Adhoc station */
203 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
204 0, 0, 0, 0, 0, 0, 0, 0,
205 0, 0, 0, 0, 0, 0, 0, 0,
206 0, 0, 0, 0, 0, 0, 0, 0,
207 1, 0, /* Active scan, CA Mode */
208 0, 0, 0, 0, 0, 0, /* No default MAC addr */
209 0x7f, 0xff, /* Frag threshold */
210 0x00, 0x80, /* Hop time 128 Kus */
211 0x01, 0x00, /* Beacon period 256 Kus */
212 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
213 0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
214 0x7f, 0xff, /* RTS threshold */
215 0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
216 0x05, /* assoc resp timeout thresh */
217 0x08, 0x02, 0x08, /* adhoc, infra, super cycle max */
218 0, /* Promiscuous mode */
219 0x0c, 0x0bd, /* Unique word */
220 0x32, /* Slot time */
221 0xff, 0xff, /* roam-low snr, low snr count */
222 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
223 0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
224 /* b4 - b5 differences start here */
225 0x00, 0x3f, /* CW max */
226 0x00, 0x0f, /* CW min */
227 0x04, 0x08, /* Noise gain, limit offset */
228 0x28, 0x28, /* det rssi, med busy offsets */
229 7, /* det sync thresh */
230 0, 2, 2, /* test mode, min, max */
231 0, /* allow broadcast SSID probe resp */
232 0, 0, /* privacy must start, can join */
233 2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
236 static UCHAR b4_default_startup_parms
[] = {
237 0, 0, /* Adhoc station */
238 'L', 'I', 'N', 'U', 'X', 0, 0, 0, /* 32 char ESSID */
239 0, 0, 0, 0, 0, 0, 0, 0,
240 0, 0, 0, 0, 0, 0, 0, 0,
241 0, 0, 0, 0, 0, 0, 0, 0,
242 1, 0, /* Active scan, CA Mode */
243 0, 0, 0, 0, 0, 0, /* No default MAC addr */
244 0x7f, 0xff, /* Frag threshold */
245 0x02, 0x00, /* Hop time */
246 0x00, 0x01, /* Beacon period */
247 0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout */
248 0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
249 0x7f, 0xff, /* RTS threshold */
250 0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
251 0x05, /* assoc resp timeout thresh */
252 0x04, 0x02, 0x4, /* adhoc, infra, super cycle max */
253 0, /* Promiscuous mode */
254 0x0c, 0x0bd, /* Unique word */
255 0x4e, /* Slot time (TBD seems wrong) */
256 0xff, 0xff, /* roam-low snr, low snr count */
257 0x05, 0xff, /* Infra, adhoc missed bcn thresh */
258 0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
259 /* b4 - b5 differences start here */
260 0x3f, 0x0f, /* CW max, min */
261 0x04, 0x08, /* Noise gain, limit offset */
262 0x28, 0x28, /* det rssi, med busy offsets */
263 7, /* det sync thresh */
264 0, 2, 2 /* test mode, min, max */
267 /*===========================================================================*/
268 static unsigned char eth2_llc
[] = { 0xaa, 0xaa, 3, 0, 0, 0 };
270 static char hop_pattern_length
[] = { 1,
271 USA_HOP_MOD
, EUROPE_HOP_MOD
,
272 JAPAN_HOP_MOD
, KOREA_HOP_MOD
,
273 SPAIN_HOP_MOD
, FRANCE_HOP_MOD
,
274 ISRAEL_HOP_MOD
, AUSTRALIA_HOP_MOD
,
278 static char rcsid
[] =
279 "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
281 static const struct net_device_ops ray_netdev_ops
= {
282 .ndo_init
= ray_dev_init
,
283 .ndo_open
= ray_open
,
284 .ndo_stop
= ray_dev_close
,
285 .ndo_start_xmit
= ray_dev_start_xmit
,
286 .ndo_set_config
= ray_dev_config
,
287 .ndo_get_stats
= ray_get_stats
,
288 .ndo_set_multicast_list
= set_multicast_list
,
289 .ndo_change_mtu
= eth_change_mtu
,
290 .ndo_set_mac_address
= eth_mac_addr
,
291 .ndo_validate_addr
= eth_validate_addr
,
294 /*=============================================================================
295 ray_attach() creates an "instance" of the driver, allocating
296 local data structures for one device. The device is registered
298 The dev_link structure is initialized, but we don't actually
299 configure the card at this point -- we wait until we receive a
300 card insertion event.
301 =============================================================================*/
302 static int ray_probe(struct pcmcia_device
*p_dev
)
305 struct net_device
*dev
;
307 dev_dbg(&p_dev
->dev
, "ray_attach()\n");
309 /* Allocate space for private device-specific data */
310 dev
= alloc_etherdev(sizeof(ray_dev_t
));
314 local
= netdev_priv(dev
);
315 local
->finder
= p_dev
;
317 /* The io structure describes IO port mapping. None used here */
318 p_dev
->io
.NumPorts1
= 0;
319 p_dev
->io
.Attributes1
= IO_DATA_PATH_WIDTH_8
;
320 p_dev
->io
.IOAddrLines
= 5;
322 /* General socket configuration */
323 p_dev
->conf
.Attributes
= CONF_ENABLE_IRQ
;
324 p_dev
->conf
.IntType
= INT_MEMORY_AND_IO
;
325 p_dev
->conf
.ConfigIndex
= 1;
329 local
->finder
= p_dev
;
330 local
->card_status
= CARD_INSERTED
;
331 local
->authentication_state
= UNAUTHENTICATED
;
332 local
->num_multi
= 0;
333 dev_dbg(&p_dev
->dev
, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n",
334 p_dev
, dev
, local
, &ray_interrupt
);
336 /* Raylink entries in the device structure */
337 dev
->netdev_ops
= &ray_netdev_ops
;
338 SET_ETHTOOL_OPS(dev
, &netdev_ethtool_ops
);
339 dev
->wireless_handlers
= &ray_handler_def
;
341 local
->wireless_data
.spy_data
= &local
->spy_data
;
342 dev
->wireless_data
= &local
->wireless_data
;
343 #endif /* WIRELESS_SPY */
346 dev_dbg(&p_dev
->dev
, "ray_cs ray_attach calling ether_setup.)\n");
347 netif_stop_queue(dev
);
349 init_timer(&local
->timer
);
352 return ray_config(p_dev
);
358 /*=============================================================================
359 This deletes a driver "instance". The device is de-registered
360 with Card Services. If it has been released, all local data
361 structures are freed. Otherwise, the structures will be freed
362 when the device is released.
363 =============================================================================*/
364 static void ray_detach(struct pcmcia_device
*link
)
366 struct net_device
*dev
;
369 dev_dbg(&link
->dev
, "ray_detach\n");
376 local
= netdev_priv(dev
);
377 del_timer(&local
->timer
);
380 unregister_netdev(dev
);
383 dev_dbg(&link
->dev
, "ray_cs ray_detach ending\n");
386 /*=============================================================================
387 ray_config() is run after a CARD_INSERTION event
388 is received, to configure the PCMCIA socket, and to make the
389 ethernet device available to the system.
390 =============================================================================*/
391 #define MAX_TUPLE_SIZE 128
392 static int ray_config(struct pcmcia_device
*link
)
398 struct net_device
*dev
= (struct net_device
*)link
->priv
;
399 ray_dev_t
*local
= netdev_priv(dev
);
401 dev_dbg(&link
->dev
, "ray_config\n");
403 /* Determine card type and firmware version */
404 printk(KERN_INFO
"ray_cs Detected: %s%s%s%s\n",
405 link
->prod_id
[0] ? link
->prod_id
[0] : " ",
406 link
->prod_id
[1] ? link
->prod_id
[1] : " ",
407 link
->prod_id
[2] ? link
->prod_id
[2] : " ",
408 link
->prod_id
[3] ? link
->prod_id
[3] : " ");
410 /* Now allocate an interrupt line. Note that this does not
411 actually assign a handler to the interrupt.
413 ret
= pcmcia_request_irq(link
, ray_interrupt
);
416 dev
->irq
= link
->irq
;
418 /* This actually configures the PCMCIA socket -- setting up
419 the I/O windows and the interrupt mapping.
421 ret
= pcmcia_request_configuration(link
, &link
->conf
);
425 /*** Set up 32k window for shared memory (transmit and control) ************/
427 WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
430 req
.AccessSpeed
= ray_mem_speed
;
431 ret
= pcmcia_request_window(link
, &req
, &link
->win
);
434 mem
.CardOffset
= 0x0000;
436 ret
= pcmcia_map_mem_page(link
, link
->win
, &mem
);
439 local
->sram
= ioremap(req
.Base
, req
.Size
);
441 /*** Set up 16k window for shared memory (receive buffer) ***************/
443 WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_CM
| WIN_ENABLE
| WIN_USE_WAIT
;
446 req
.AccessSpeed
= ray_mem_speed
;
447 ret
= pcmcia_request_window(link
, &req
, &local
->rmem_handle
);
450 mem
.CardOffset
= 0x8000;
452 ret
= pcmcia_map_mem_page(link
, local
->rmem_handle
, &mem
);
455 local
->rmem
= ioremap(req
.Base
, req
.Size
);
457 /*** Set up window for attribute memory ***********************************/
459 WIN_DATA_WIDTH_8
| WIN_MEMORY_TYPE_AM
| WIN_ENABLE
| WIN_USE_WAIT
;
462 req
.AccessSpeed
= ray_mem_speed
;
463 ret
= pcmcia_request_window(link
, &req
, &local
->amem_handle
);
466 mem
.CardOffset
= 0x0000;
468 ret
= pcmcia_map_mem_page(link
, local
->amem_handle
, &mem
);
471 local
->amem
= ioremap(req
.Base
, req
.Size
);
473 dev_dbg(&link
->dev
, "ray_config sram=%p\n", local
->sram
);
474 dev_dbg(&link
->dev
, "ray_config rmem=%p\n", local
->rmem
);
475 dev_dbg(&link
->dev
, "ray_config amem=%p\n", local
->amem
);
476 if (ray_init(dev
) < 0) {
481 SET_NETDEV_DEV(dev
, &link
->dev
);
482 i
= register_netdev(dev
);
484 printk("ray_config register_netdev() failed\n");
489 printk(KERN_INFO
"%s: RayLink, irq %d, hw_addr %pM\n",
490 dev
->name
, dev
->irq
, dev
->dev_addr
);
499 static inline struct ccs __iomem
*ccs_base(ray_dev_t
*dev
)
501 return dev
->sram
+ CCS_BASE
;
504 static inline struct rcs __iomem
*rcs_base(ray_dev_t
*dev
)
507 * This looks nonsensical, since there is a separate
508 * RCS_BASE. But the difference between a "struct rcs"
509 * and a "struct ccs" ends up being in the _index_ off
510 * the base, so the base pointer is the same for both
513 return dev
->sram
+ CCS_BASE
;
516 /*===========================================================================*/
517 static int ray_init(struct net_device
*dev
)
521 struct ccs __iomem
*pccs
;
522 ray_dev_t
*local
= netdev_priv(dev
);
523 struct pcmcia_device
*link
= local
->finder
;
524 dev_dbg(&link
->dev
, "ray_init(0x%p)\n", dev
);
525 if (!(pcmcia_dev_present(link
))) {
526 dev_dbg(&link
->dev
, "ray_init - device not present\n");
530 local
->net_type
= net_type
;
531 local
->sta_type
= TYPE_STA
;
533 /* Copy the startup results to local memory */
534 memcpy_fromio(&local
->startup_res
, local
->sram
+ ECF_TO_HOST_BASE
,
535 sizeof(struct startup_res_6
));
537 /* Check Power up test status and get mac address from card */
538 if (local
->startup_res
.startup_word
!= 0x80) {
539 printk(KERN_INFO
"ray_init ERROR card status = %2x\n",
540 local
->startup_res
.startup_word
);
541 local
->card_status
= CARD_INIT_ERROR
;
545 local
->fw_ver
= local
->startup_res
.firmware_version
[0];
546 local
->fw_bld
= local
->startup_res
.firmware_version
[1];
547 local
->fw_var
= local
->startup_res
.firmware_version
[2];
548 dev_dbg(&link
->dev
, "ray_init firmware version %d.%d\n", local
->fw_ver
,
551 local
->tib_length
= 0x20;
552 if ((local
->fw_ver
== 5) && (local
->fw_bld
>= 30))
553 local
->tib_length
= local
->startup_res
.tib_length
;
554 dev_dbg(&link
->dev
, "ray_init tib_length = 0x%02x\n", local
->tib_length
);
555 /* Initialize CCS's to buffer free state */
556 pccs
= ccs_base(local
);
557 for (i
= 0; i
< NUMBER_OF_CCS
; i
++) {
558 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
560 init_startup_params(local
);
562 /* copy mac address to startup parameters */
563 if (parse_addr(phy_addr
, local
->sparm
.b4
.a_mac_addr
)) {
564 p
= local
->sparm
.b4
.a_mac_addr
;
566 memcpy(&local
->sparm
.b4
.a_mac_addr
,
567 &local
->startup_res
.station_addr
, ADDRLEN
);
568 p
= local
->sparm
.b4
.a_mac_addr
;
571 clear_interrupt(local
); /* Clear any interrupt from the card */
572 local
->card_status
= CARD_AWAITING_PARAM
;
573 dev_dbg(&link
->dev
, "ray_init ending\n");
577 /*===========================================================================*/
578 /* Download startup parameters to the card and command it to read them */
579 static int dl_startup_params(struct net_device
*dev
)
582 ray_dev_t
*local
= netdev_priv(dev
);
583 struct ccs __iomem
*pccs
;
584 struct pcmcia_device
*link
= local
->finder
;
586 dev_dbg(&link
->dev
, "dl_startup_params entered\n");
587 if (!(pcmcia_dev_present(link
))) {
588 dev_dbg(&link
->dev
, "ray_cs dl_startup_params - device not present\n");
592 /* Copy parameters to host to ECF area */
593 if (local
->fw_ver
== 0x55)
594 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b4
,
595 sizeof(struct b4_startup_params
));
597 memcpy_toio(local
->sram
+ HOST_TO_ECF_BASE
, &local
->sparm
.b5
,
598 sizeof(struct b5_startup_params
));
600 /* Fill in the CCS fields for the ECF */
601 if ((ccsindex
= get_free_ccs(local
)) < 0)
603 local
->dl_param_ccs
= ccsindex
;
604 pccs
= ccs_base(local
) + ccsindex
;
605 writeb(CCS_DOWNLOAD_STARTUP_PARAMS
, &pccs
->cmd
);
606 dev_dbg(&link
->dev
, "dl_startup_params start ccsindex = %d\n",
607 local
->dl_param_ccs
);
608 /* Interrupt the firmware to process the command */
609 if (interrupt_ecf(local
, ccsindex
)) {
610 printk(KERN_INFO
"ray dl_startup_params failed - "
611 "ECF not ready for intr\n");
612 local
->card_status
= CARD_DL_PARAM_ERROR
;
613 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
616 local
->card_status
= CARD_DL_PARAM
;
617 /* Start kernel timer to wait for dl startup to complete. */
618 local
->timer
.expires
= jiffies
+ HZ
/ 2;
619 local
->timer
.data
= (long)local
;
620 local
->timer
.function
= &verify_dl_startup
;
621 add_timer(&local
->timer
);
623 "ray_cs dl_startup_params started timer for verify_dl_startup\n");
625 } /* dl_startup_params */
627 /*===========================================================================*/
628 static void init_startup_params(ray_dev_t
*local
)
632 if (country
> JAPAN_TEST
)
634 else if (country
< USA
)
636 /* structure for hop time and beacon period is defined here using
637 * New 802.11D6.1 format. Card firmware is still using old format
640 * a_hop_time ms byte a_hop_time ms byte
641 * a_hop_time 2s byte a_hop_time ls byte
642 * a_hop_time ls byte a_beacon_period ms byte
643 * a_beacon_period a_beacon_period ls byte
645 * a_hop_time = uS a_hop_time = KuS
646 * a_beacon_period = hops a_beacon_period = KuS
647 *//* 64ms = 010000 */
648 if (local
->fw_ver
== 0x55) {
649 memcpy((UCHAR
*) &local
->sparm
.b4
, b4_default_startup_parms
,
650 sizeof(struct b4_startup_params
));
651 /* Translate sane kus input values to old build 4/5 format */
652 /* i = hop time in uS truncated to 3 bytes */
653 i
= (hop_dwell
* 1024) & 0xffffff;
654 local
->sparm
.b4
.a_hop_time
[0] = (i
>> 16) & 0xff;
655 local
->sparm
.b4
.a_hop_time
[1] = (i
>> 8) & 0xff;
656 local
->sparm
.b4
.a_beacon_period
[0] = 0;
657 local
->sparm
.b4
.a_beacon_period
[1] =
658 ((beacon_period
/ hop_dwell
) - 1) & 0xff;
659 local
->sparm
.b4
.a_curr_country_code
= country
;
660 local
->sparm
.b4
.a_hop_pattern_length
=
661 hop_pattern_length
[(int)country
] - 1;
663 local
->sparm
.b4
.a_ack_timeout
= 0x50;
664 local
->sparm
.b4
.a_sifs
= 0x3f;
666 } else { /* Version 5 uses real kus values */
667 memcpy((UCHAR
*) &local
->sparm
.b5
, b5_default_startup_parms
,
668 sizeof(struct b5_startup_params
));
670 local
->sparm
.b5
.a_hop_time
[0] = (hop_dwell
>> 8) & 0xff;
671 local
->sparm
.b5
.a_hop_time
[1] = hop_dwell
& 0xff;
672 local
->sparm
.b5
.a_beacon_period
[0] =
673 (beacon_period
>> 8) & 0xff;
674 local
->sparm
.b5
.a_beacon_period
[1] = beacon_period
& 0xff;
676 local
->sparm
.b5
.a_power_mgt_state
= 1;
677 local
->sparm
.b5
.a_curr_country_code
= country
;
678 local
->sparm
.b5
.a_hop_pattern_length
=
679 hop_pattern_length
[(int)country
];
682 local
->sparm
.b4
.a_network_type
= net_type
& 0x01;
683 local
->sparm
.b4
.a_acting_as_ap_status
= TYPE_STA
;
686 strncpy(local
->sparm
.b4
.a_current_ess_id
, essid
, ESSID_SIZE
);
687 } /* init_startup_params */
689 /*===========================================================================*/
690 static void verify_dl_startup(u_long data
)
692 ray_dev_t
*local
= (ray_dev_t
*) data
;
693 struct ccs __iomem
*pccs
= ccs_base(local
) + local
->dl_param_ccs
;
695 struct pcmcia_device
*link
= local
->finder
;
697 if (!(pcmcia_dev_present(link
))) {
698 dev_dbg(&link
->dev
, "ray_cs verify_dl_startup - device not present\n");
705 "verify_dl_startup parameters sent via ccs %d:\n",
706 local
->dl_param_ccs
);
707 for (i
= 0; i
< sizeof(struct b5_startup_params
); i
++) {
709 (unsigned int)readb(local
->sram
+
710 HOST_TO_ECF_BASE
+ i
));
716 status
= readb(&pccs
->buffer_status
);
717 if (status
!= CCS_BUFFER_FREE
) {
719 "Download startup params failed. Status = %d\n",
721 local
->card_status
= CARD_DL_PARAM_ERROR
;
724 if (local
->sparm
.b4
.a_network_type
== ADHOC
)
725 start_net((u_long
) local
);
727 join_net((u_long
) local
);
728 } /* end verify_dl_startup */
730 /*===========================================================================*/
731 /* Command card to start a network */
732 static void start_net(u_long data
)
734 ray_dev_t
*local
= (ray_dev_t
*) data
;
735 struct ccs __iomem
*pccs
;
737 struct pcmcia_device
*link
= local
->finder
;
738 if (!(pcmcia_dev_present(link
))) {
739 dev_dbg(&link
->dev
, "ray_cs start_net - device not present\n");
742 /* Fill in the CCS fields for the ECF */
743 if ((ccsindex
= get_free_ccs(local
)) < 0)
745 pccs
= ccs_base(local
) + ccsindex
;
746 writeb(CCS_START_NETWORK
, &pccs
->cmd
);
747 writeb(0, &pccs
->var
.start_network
.update_param
);
748 /* Interrupt the firmware to process the command */
749 if (interrupt_ecf(local
, ccsindex
)) {
750 dev_dbg(&link
->dev
, "ray start net failed - card not ready for intr\n");
751 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
754 local
->card_status
= CARD_DOING_ACQ
;
755 } /* end start_net */
757 /*===========================================================================*/
758 /* Command card to join a network */
759 static void join_net(u_long data
)
761 ray_dev_t
*local
= (ray_dev_t
*) data
;
763 struct ccs __iomem
*pccs
;
765 struct pcmcia_device
*link
= local
->finder
;
767 if (!(pcmcia_dev_present(link
))) {
768 dev_dbg(&link
->dev
, "ray_cs join_net - device not present\n");
771 /* Fill in the CCS fields for the ECF */
772 if ((ccsindex
= get_free_ccs(local
)) < 0)
774 pccs
= ccs_base(local
) + ccsindex
;
775 writeb(CCS_JOIN_NETWORK
, &pccs
->cmd
);
776 writeb(0, &pccs
->var
.join_network
.update_param
);
777 writeb(0, &pccs
->var
.join_network
.net_initiated
);
778 /* Interrupt the firmware to process the command */
779 if (interrupt_ecf(local
, ccsindex
)) {
780 dev_dbg(&link
->dev
, "ray join net failed - card not ready for intr\n");
781 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
784 local
->card_status
= CARD_DOING_ACQ
;
787 /*============================================================================
788 After a card is removed, ray_release() will unregister the net
789 device, and release the PCMCIA configuration. If the device is
790 still open, this will be postponed until it is closed.
791 =============================================================================*/
792 static void ray_release(struct pcmcia_device
*link
)
794 struct net_device
*dev
= link
->priv
;
795 ray_dev_t
*local
= netdev_priv(dev
);
798 dev_dbg(&link
->dev
, "ray_release\n");
800 del_timer(&local
->timer
);
802 iounmap(local
->sram
);
803 iounmap(local
->rmem
);
804 iounmap(local
->amem
);
805 /* Do bother checking to see if these succeed or not */
806 i
= pcmcia_release_window(link
, local
->amem_handle
);
808 dev_dbg(&link
->dev
, "ReleaseWindow(local->amem) ret = %x\n", i
);
809 i
= pcmcia_release_window(link
, local
->rmem_handle
);
811 dev_dbg(&link
->dev
, "ReleaseWindow(local->rmem) ret = %x\n", i
);
812 pcmcia_disable_device(link
);
814 dev_dbg(&link
->dev
, "ray_release ending\n");
817 static int ray_suspend(struct pcmcia_device
*link
)
819 struct net_device
*dev
= link
->priv
;
822 netif_device_detach(dev
);
827 static int ray_resume(struct pcmcia_device
*link
)
829 struct net_device
*dev
= link
->priv
;
833 netif_device_attach(dev
);
839 /*===========================================================================*/
840 static int ray_dev_init(struct net_device
*dev
)
842 #ifdef RAY_IMMEDIATE_INIT
844 #endif /* RAY_IMMEDIATE_INIT */
845 ray_dev_t
*local
= netdev_priv(dev
);
846 struct pcmcia_device
*link
= local
->finder
;
848 dev_dbg(&link
->dev
, "ray_dev_init(dev=%p)\n", dev
);
849 if (!(pcmcia_dev_present(link
))) {
850 dev_dbg(&link
->dev
, "ray_dev_init - device not present\n");
853 #ifdef RAY_IMMEDIATE_INIT
854 /* Download startup parameters */
855 if ((i
= dl_startup_params(dev
)) < 0) {
856 printk(KERN_INFO
"ray_dev_init dl_startup_params failed - "
857 "returns 0x%x\n", i
);
860 #else /* RAY_IMMEDIATE_INIT */
861 /* Postpone the card init so that we can still configure the card,
862 * for example using the Wireless Extensions. The init will happen
863 * in ray_open() - Jean II */
865 "ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
867 #endif /* RAY_IMMEDIATE_INIT */
869 /* copy mac and broadcast addresses to linux device */
870 memcpy(dev
->dev_addr
, &local
->sparm
.b4
.a_mac_addr
, ADDRLEN
);
871 memset(dev
->broadcast
, 0xff, ETH_ALEN
);
873 dev_dbg(&link
->dev
, "ray_dev_init ending\n");
877 /*===========================================================================*/
878 static int ray_dev_config(struct net_device
*dev
, struct ifmap
*map
)
880 ray_dev_t
*local
= netdev_priv(dev
);
881 struct pcmcia_device
*link
= local
->finder
;
882 /* Dummy routine to satisfy device structure */
883 dev_dbg(&link
->dev
, "ray_dev_config(dev=%p,ifmap=%p)\n", dev
, map
);
884 if (!(pcmcia_dev_present(link
))) {
885 dev_dbg(&link
->dev
, "ray_dev_config - device not present\n");
892 /*===========================================================================*/
893 static netdev_tx_t
ray_dev_start_xmit(struct sk_buff
*skb
,
894 struct net_device
*dev
)
896 ray_dev_t
*local
= netdev_priv(dev
);
897 struct pcmcia_device
*link
= local
->finder
;
898 short length
= skb
->len
;
900 if (!pcmcia_dev_present(link
)) {
901 dev_dbg(&link
->dev
, "ray_dev_start_xmit - device not present\n");
906 dev_dbg(&link
->dev
, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb
, dev
);
907 if (local
->authentication_state
== NEED_TO_AUTH
) {
908 dev_dbg(&link
->dev
, "ray_cs Sending authentication request.\n");
909 if (!build_auth_frame(local
, local
->auth_id
, OPEN_AUTH_REQUEST
)) {
910 local
->authentication_state
= AUTHENTICATED
;
911 netif_stop_queue(dev
);
912 return NETDEV_TX_BUSY
;
916 if (length
< ETH_ZLEN
) {
917 if (skb_padto(skb
, ETH_ZLEN
))
921 switch (ray_hw_xmit(skb
->data
, length
, dev
, DATA_TYPE
)) {
924 netif_stop_queue(dev
);
925 return NETDEV_TX_BUSY
;
934 } /* ray_dev_start_xmit */
936 /*===========================================================================*/
937 static int ray_hw_xmit(unsigned char *data
, int len
, struct net_device
*dev
,
940 ray_dev_t
*local
= netdev_priv(dev
);
941 struct ccs __iomem
*pccs
;
944 struct tx_msg __iomem
*ptx
; /* Address of xmit buffer in PC space */
945 short int addr
; /* Address of xmit buffer in card space */
947 pr_debug("ray_hw_xmit(data=%p, len=%d, dev=%p)\n", data
, len
, dev
);
948 if (len
+ TX_HEADER_LENGTH
> TX_BUF_SIZE
) {
949 printk(KERN_INFO
"ray_hw_xmit packet too large: %d bytes\n",
953 switch (ccsindex
= get_free_tx_ccs(local
)) {
955 pr_debug("ray_hw_xmit tx_ccs table busy\n");
957 pr_debug("ray_hw_xmit No free tx ccs\n");
959 netif_stop_queue(dev
);
964 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
966 if (msg_type
== DATA_TYPE
) {
967 local
->stats
.tx_bytes
+= len
;
968 local
->stats
.tx_packets
++;
971 ptx
= local
->sram
+ addr
;
973 ray_build_header(local
, ptx
, msg_type
, data
);
975 offset
= translate_frame(local
, ptx
, data
, len
);
976 } else { /* Encapsulate frame */
977 /* TBD TIB length will move address of ptx->var */
978 memcpy_toio(&ptx
->var
, data
, len
);
982 /* fill in the CCS */
983 pccs
= ccs_base(local
) + ccsindex
;
984 len
+= TX_HEADER_LENGTH
+ offset
;
985 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
986 writeb(addr
>> 8, &pccs
->var
.tx_request
.tx_data_ptr
[0]);
987 writeb(local
->tib_length
, &pccs
->var
.tx_request
.tx_data_ptr
[1]);
988 writeb(len
>> 8, &pccs
->var
.tx_request
.tx_data_length
[0]);
989 writeb(len
& 0xff, &pccs
->var
.tx_request
.tx_data_length
[1]);
990 /* TBD still need psm_cam? */
991 writeb(PSM_CAM
, &pccs
->var
.tx_request
.pow_sav_mode
);
992 writeb(local
->net_default_tx_rate
, &pccs
->var
.tx_request
.tx_rate
);
993 writeb(0, &pccs
->var
.tx_request
.antenna
);
994 pr_debug("ray_hw_xmit default_tx_rate = 0x%x\n",
995 local
->net_default_tx_rate
);
997 /* Interrupt the firmware to process the command */
998 if (interrupt_ecf(local
, ccsindex
)) {
999 pr_debug("ray_hw_xmit failed - ECF not ready for intr\n");
1000 /* TBD very inefficient to copy packet to buffer, and then not
1001 send it, but the alternative is to queue the messages and that
1002 won't be done for a while. Maybe set tbusy until a CCS is free?
1004 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
1005 return XMIT_NO_INTR
;
1008 } /* end ray_hw_xmit */
1010 /*===========================================================================*/
1011 static int translate_frame(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
1012 unsigned char *data
, int len
)
1014 __be16 proto
= ((struct ethhdr
*)data
)->h_proto
;
1015 if (ntohs(proto
) >= 1536) { /* DIX II ethernet frame */
1016 pr_debug("ray_cs translate_frame DIX II\n");
1017 /* Copy LLC header to card buffer */
1018 memcpy_toio(&ptx
->var
, eth2_llc
, sizeof(eth2_llc
));
1019 memcpy_toio(((void __iomem
*)&ptx
->var
) + sizeof(eth2_llc
),
1020 (UCHAR
*) &proto
, 2);
1021 if (proto
== htons(ETH_P_AARP
) || proto
== htons(ETH_P_IPX
)) {
1022 /* This is the selective translation table, only 2 entries */
1024 &((struct snaphdr_t __iomem
*)ptx
->var
)->org
[3]);
1026 /* Copy body of ethernet packet without ethernet header */
1027 memcpy_toio((void __iomem
*)&ptx
->var
+
1028 sizeof(struct snaphdr_t
), data
+ ETH_HLEN
,
1030 return (int)sizeof(struct snaphdr_t
) - ETH_HLEN
;
1031 } else { /* already 802 type, and proto is length */
1032 pr_debug("ray_cs translate_frame 802\n");
1033 if (proto
== htons(0xffff)) { /* evil netware IPX 802.3 without LLC */
1034 pr_debug("ray_cs translate_frame evil IPX\n");
1035 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1036 return 0 - ETH_HLEN
;
1038 memcpy_toio(&ptx
->var
, data
+ ETH_HLEN
, len
- ETH_HLEN
);
1039 return 0 - ETH_HLEN
;
1041 /* TBD do other frame types */
1042 } /* end translate_frame */
1044 /*===========================================================================*/
1045 static void ray_build_header(ray_dev_t
*local
, struct tx_msg __iomem
*ptx
,
1046 UCHAR msg_type
, unsigned char *data
)
1048 writeb(PROTOCOL_VER
| msg_type
, &ptx
->mac
.frame_ctl_1
);
1049 /*** IEEE 802.11 Address field assignments *************
1050 TODS FROMDS addr_1 addr_2 addr_3 addr_4
1051 Adhoc 0 0 dest src (terminal) BSSID N/A
1052 AP to Terminal 0 1 dest AP(BSSID) source N/A
1053 Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
1054 AP to AP 1 1 dest AP src AP dest source
1055 *******************************************************/
1056 if (local
->net_type
== ADHOC
) {
1057 writeb(0, &ptx
->mac
.frame_ctl_2
);
1058 memcpy_toio(ptx
->mac
.addr_1
, ((struct ethhdr
*)data
)->h_dest
,
1060 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
1061 } else { /* infrastructure */
1063 if (local
->sparm
.b4
.a_acting_as_ap_status
) {
1064 writeb(FC2_FROM_DS
, &ptx
->mac
.frame_ctl_2
);
1065 memcpy_toio(ptx
->mac
.addr_1
,
1066 ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1067 memcpy_toio(ptx
->mac
.addr_2
, local
->bss_id
, 6);
1068 memcpy_toio(ptx
->mac
.addr_3
,
1069 ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1070 } else { /* Terminal */
1072 writeb(FC2_TO_DS
, &ptx
->mac
.frame_ctl_2
);
1073 memcpy_toio(ptx
->mac
.addr_1
, local
->bss_id
, ADDRLEN
);
1074 memcpy_toio(ptx
->mac
.addr_2
,
1075 ((struct ethhdr
*)data
)->h_source
, ADDRLEN
);
1076 memcpy_toio(ptx
->mac
.addr_3
,
1077 ((struct ethhdr
*)data
)->h_dest
, ADDRLEN
);
1080 } /* end encapsulate_frame */
1082 /*===========================================================================*/
1084 static void netdev_get_drvinfo(struct net_device
*dev
,
1085 struct ethtool_drvinfo
*info
)
1087 strcpy(info
->driver
, "ray_cs");
1090 static const struct ethtool_ops netdev_ethtool_ops
= {
1091 .get_drvinfo
= netdev_get_drvinfo
,
1094 /*====================================================================*/
1096 /*------------------------------------------------------------------*/
1098 * Wireless Handler : get protocol name
1100 static int ray_get_name(struct net_device
*dev
, struct iw_request_info
*info
,
1101 union iwreq_data
*wrqu
, char *extra
)
1103 strcpy(wrqu
->name
, "IEEE 802.11-FH");
1107 /*------------------------------------------------------------------*/
1109 * Wireless Handler : set frequency
1111 static int ray_set_freq(struct net_device
*dev
, struct iw_request_info
*info
,
1112 union iwreq_data
*wrqu
, char *extra
)
1114 ray_dev_t
*local
= netdev_priv(dev
);
1115 int err
= -EINPROGRESS
; /* Call commit handler */
1117 /* Reject if card is already initialised */
1118 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1121 /* Setting by channel number */
1122 if ((wrqu
->freq
.m
> USA_HOP_MOD
) || (wrqu
->freq
.e
> 0))
1125 local
->sparm
.b5
.a_hop_pattern
= wrqu
->freq
.m
;
1130 /*------------------------------------------------------------------*/
1132 * Wireless Handler : get frequency
1134 static int ray_get_freq(struct net_device
*dev
, struct iw_request_info
*info
,
1135 union iwreq_data
*wrqu
, char *extra
)
1137 ray_dev_t
*local
= netdev_priv(dev
);
1139 wrqu
->freq
.m
= local
->sparm
.b5
.a_hop_pattern
;
1144 /*------------------------------------------------------------------*/
1146 * Wireless Handler : set ESSID
1148 static int ray_set_essid(struct net_device
*dev
, struct iw_request_info
*info
,
1149 union iwreq_data
*wrqu
, char *extra
)
1151 ray_dev_t
*local
= netdev_priv(dev
);
1153 /* Reject if card is already initialised */
1154 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1157 /* Check if we asked for `any' */
1158 if (wrqu
->essid
.flags
== 0)
1159 /* Corey : can you do that ? */
1162 /* Check the size of the string */
1163 if (wrqu
->essid
.length
> IW_ESSID_MAX_SIZE
)
1166 /* Set the ESSID in the card */
1167 memset(local
->sparm
.b5
.a_current_ess_id
, 0, IW_ESSID_MAX_SIZE
);
1168 memcpy(local
->sparm
.b5
.a_current_ess_id
, extra
, wrqu
->essid
.length
);
1170 return -EINPROGRESS
; /* Call commit handler */
1173 /*------------------------------------------------------------------*/
1175 * Wireless Handler : get ESSID
1177 static int ray_get_essid(struct net_device
*dev
, struct iw_request_info
*info
,
1178 union iwreq_data
*wrqu
, char *extra
)
1180 ray_dev_t
*local
= netdev_priv(dev
);
1182 /* Get the essid that was set */
1183 memcpy(extra
, local
->sparm
.b5
.a_current_ess_id
, IW_ESSID_MAX_SIZE
);
1186 wrqu
->essid
.length
= strlen(extra
);
1187 wrqu
->essid
.flags
= 1; /* active */
1192 /*------------------------------------------------------------------*/
1194 * Wireless Handler : get AP address
1196 static int ray_get_wap(struct net_device
*dev
, struct iw_request_info
*info
,
1197 union iwreq_data
*wrqu
, char *extra
)
1199 ray_dev_t
*local
= netdev_priv(dev
);
1201 memcpy(wrqu
->ap_addr
.sa_data
, local
->bss_id
, ETH_ALEN
);
1202 wrqu
->ap_addr
.sa_family
= ARPHRD_ETHER
;
1207 /*------------------------------------------------------------------*/
1209 * Wireless Handler : set Bit-Rate
1211 static int ray_set_rate(struct net_device
*dev
, struct iw_request_info
*info
,
1212 union iwreq_data
*wrqu
, char *extra
)
1214 ray_dev_t
*local
= netdev_priv(dev
);
1216 /* Reject if card is already initialised */
1217 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1220 /* Check if rate is in range */
1221 if ((wrqu
->bitrate
.value
!= 1000000) && (wrqu
->bitrate
.value
!= 2000000))
1224 /* Hack for 1.5 Mb/s instead of 2 Mb/s */
1225 if ((local
->fw_ver
== 0x55) && /* Please check */
1226 (wrqu
->bitrate
.value
== 2000000))
1227 local
->net_default_tx_rate
= 3;
1229 local
->net_default_tx_rate
= wrqu
->bitrate
.value
/ 500000;
1234 /*------------------------------------------------------------------*/
1236 * Wireless Handler : get Bit-Rate
1238 static int ray_get_rate(struct net_device
*dev
, struct iw_request_info
*info
,
1239 union iwreq_data
*wrqu
, char *extra
)
1241 ray_dev_t
*local
= netdev_priv(dev
);
1243 if (local
->net_default_tx_rate
== 3)
1244 wrqu
->bitrate
.value
= 2000000; /* Hum... */
1246 wrqu
->bitrate
.value
= local
->net_default_tx_rate
* 500000;
1247 wrqu
->bitrate
.fixed
= 0; /* We are in auto mode */
1252 /*------------------------------------------------------------------*/
1254 * Wireless Handler : set RTS threshold
1256 static int ray_set_rts(struct net_device
*dev
, struct iw_request_info
*info
,
1257 union iwreq_data
*wrqu
, char *extra
)
1259 ray_dev_t
*local
= netdev_priv(dev
);
1260 int rthr
= wrqu
->rts
.value
;
1262 /* Reject if card is already initialised */
1263 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1266 /* if(wrq->u.rts.fixed == 0) we should complain */
1267 if (wrqu
->rts
.disabled
)
1270 if ((rthr
< 0) || (rthr
> 2347)) /* What's the max packet size ??? */
1273 local
->sparm
.b5
.a_rts_threshold
[0] = (rthr
>> 8) & 0xFF;
1274 local
->sparm
.b5
.a_rts_threshold
[1] = rthr
& 0xFF;
1276 return -EINPROGRESS
; /* Call commit handler */
1279 /*------------------------------------------------------------------*/
1281 * Wireless Handler : get RTS threshold
1283 static int ray_get_rts(struct net_device
*dev
, struct iw_request_info
*info
,
1284 union iwreq_data
*wrqu
, char *extra
)
1286 ray_dev_t
*local
= netdev_priv(dev
);
1288 wrqu
->rts
.value
= (local
->sparm
.b5
.a_rts_threshold
[0] << 8)
1289 + local
->sparm
.b5
.a_rts_threshold
[1];
1290 wrqu
->rts
.disabled
= (wrqu
->rts
.value
== 32767);
1291 wrqu
->rts
.fixed
= 1;
1296 /*------------------------------------------------------------------*/
1298 * Wireless Handler : set Fragmentation threshold
1300 static int ray_set_frag(struct net_device
*dev
, struct iw_request_info
*info
,
1301 union iwreq_data
*wrqu
, char *extra
)
1303 ray_dev_t
*local
= netdev_priv(dev
);
1304 int fthr
= wrqu
->frag
.value
;
1306 /* Reject if card is already initialised */
1307 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1310 /* if(wrq->u.frag.fixed == 0) should complain */
1311 if (wrqu
->frag
.disabled
)
1314 if ((fthr
< 256) || (fthr
> 2347)) /* To check out ! */
1317 local
->sparm
.b5
.a_frag_threshold
[0] = (fthr
>> 8) & 0xFF;
1318 local
->sparm
.b5
.a_frag_threshold
[1] = fthr
& 0xFF;
1320 return -EINPROGRESS
; /* Call commit handler */
1323 /*------------------------------------------------------------------*/
1325 * Wireless Handler : get Fragmentation threshold
1327 static int ray_get_frag(struct net_device
*dev
, struct iw_request_info
*info
,
1328 union iwreq_data
*wrqu
, char *extra
)
1330 ray_dev_t
*local
= netdev_priv(dev
);
1332 wrqu
->frag
.value
= (local
->sparm
.b5
.a_frag_threshold
[0] << 8)
1333 + local
->sparm
.b5
.a_frag_threshold
[1];
1334 wrqu
->frag
.disabled
= (wrqu
->frag
.value
== 32767);
1335 wrqu
->frag
.fixed
= 1;
1340 /*------------------------------------------------------------------*/
1342 * Wireless Handler : set Mode of Operation
1344 static int ray_set_mode(struct net_device
*dev
, struct iw_request_info
*info
,
1345 union iwreq_data
*wrqu
, char *extra
)
1347 ray_dev_t
*local
= netdev_priv(dev
);
1348 int err
= -EINPROGRESS
; /* Call commit handler */
1351 /* Reject if card is already initialised */
1352 if (local
->card_status
!= CARD_AWAITING_PARAM
)
1355 switch (wrqu
->mode
) {
1360 local
->sparm
.b5
.a_network_type
= card_mode
;
1369 /*------------------------------------------------------------------*/
1371 * Wireless Handler : get Mode of Operation
1373 static int ray_get_mode(struct net_device
*dev
, struct iw_request_info
*info
,
1374 union iwreq_data
*wrqu
, char *extra
)
1376 ray_dev_t
*local
= netdev_priv(dev
);
1378 if (local
->sparm
.b5
.a_network_type
)
1379 wrqu
->mode
= IW_MODE_INFRA
;
1381 wrqu
->mode
= IW_MODE_ADHOC
;
1386 /*------------------------------------------------------------------*/
1388 * Wireless Handler : get range info
1390 static int ray_get_range(struct net_device
*dev
, struct iw_request_info
*info
,
1391 union iwreq_data
*wrqu
, char *extra
)
1393 struct iw_range
*range
= (struct iw_range
*)extra
;
1395 memset(range
, 0, sizeof(struct iw_range
));
1397 /* Set the length (very important for backward compatibility) */
1398 wrqu
->data
.length
= sizeof(struct iw_range
);
1400 /* Set the Wireless Extension versions */
1401 range
->we_version_compiled
= WIRELESS_EXT
;
1402 range
->we_version_source
= 9;
1404 /* Set information in the range struct */
1405 range
->throughput
= 1.1 * 1000 * 1000; /* Put the right number here */
1406 range
->num_channels
= hop_pattern_length
[(int)country
];
1407 range
->num_frequency
= 0;
1408 range
->max_qual
.qual
= 0;
1409 range
->max_qual
.level
= 255; /* What's the correct value ? */
1410 range
->max_qual
.noise
= 255; /* Idem */
1411 range
->num_bitrates
= 2;
1412 range
->bitrate
[0] = 1000000; /* 1 Mb/s */
1413 range
->bitrate
[1] = 2000000; /* 2 Mb/s */
1417 /*------------------------------------------------------------------*/
1419 * Wireless Private Handler : set framing mode
1421 static int ray_set_framing(struct net_device
*dev
, struct iw_request_info
*info
,
1422 union iwreq_data
*wrqu
, char *extra
)
1424 translate
= *(extra
); /* Set framing mode */
1429 /*------------------------------------------------------------------*/
1431 * Wireless Private Handler : get framing mode
1433 static int ray_get_framing(struct net_device
*dev
, struct iw_request_info
*info
,
1434 union iwreq_data
*wrqu
, char *extra
)
1436 *(extra
) = translate
;
1441 /*------------------------------------------------------------------*/
1443 * Wireless Private Handler : get country
1445 static int ray_get_country(struct net_device
*dev
, struct iw_request_info
*info
,
1446 union iwreq_data
*wrqu
, char *extra
)
1453 /*------------------------------------------------------------------*/
1455 * Commit handler : called after a bunch of SET operations
1457 static int ray_commit(struct net_device
*dev
, struct iw_request_info
*info
,
1458 union iwreq_data
*wrqu
, char *extra
)
1463 /*------------------------------------------------------------------*/
1465 * Stats handler : return Wireless Stats
1467 static iw_stats
*ray_get_wireless_stats(struct net_device
*dev
)
1469 ray_dev_t
*local
= netdev_priv(dev
);
1470 struct pcmcia_device
*link
= local
->finder
;
1471 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1473 local
->wstats
.status
= local
->card_status
;
1475 if ((local
->spy_data
.spy_number
> 0)
1476 && (local
->sparm
.b5
.a_network_type
== 0)) {
1477 /* Get it from the first node in spy list */
1478 local
->wstats
.qual
.qual
= local
->spy_data
.spy_stat
[0].qual
;
1479 local
->wstats
.qual
.level
= local
->spy_data
.spy_stat
[0].level
;
1480 local
->wstats
.qual
.noise
= local
->spy_data
.spy_stat
[0].noise
;
1481 local
->wstats
.qual
.updated
=
1482 local
->spy_data
.spy_stat
[0].updated
;
1484 #endif /* WIRELESS_SPY */
1486 if (pcmcia_dev_present(link
)) {
1487 local
->wstats
.qual
.noise
= readb(&p
->rxnoise
);
1488 local
->wstats
.qual
.updated
|= 4;
1491 return &local
->wstats
;
1492 } /* end ray_get_wireless_stats */
1494 /*------------------------------------------------------------------*/
1496 * Structures to export the Wireless Handlers
1499 static const iw_handler ray_handler
[] = {
1500 IW_HANDLER(SIOCSIWCOMMIT
, ray_commit
),
1501 IW_HANDLER(SIOCGIWNAME
, ray_get_name
),
1502 IW_HANDLER(SIOCSIWFREQ
, ray_set_freq
),
1503 IW_HANDLER(SIOCGIWFREQ
, ray_get_freq
),
1504 IW_HANDLER(SIOCSIWMODE
, ray_set_mode
),
1505 IW_HANDLER(SIOCGIWMODE
, ray_get_mode
),
1506 IW_HANDLER(SIOCGIWRANGE
, ray_get_range
),
1508 IW_HANDLER(SIOCSIWSPY
, iw_handler_set_spy
),
1509 IW_HANDLER(SIOCGIWSPY
, iw_handler_get_spy
),
1510 IW_HANDLER(SIOCSIWTHRSPY
, iw_handler_set_thrspy
),
1511 IW_HANDLER(SIOCGIWTHRSPY
, iw_handler_get_thrspy
),
1512 #endif /* WIRELESS_SPY */
1513 IW_HANDLER(SIOCGIWAP
, ray_get_wap
),
1514 IW_HANDLER(SIOCSIWESSID
, ray_set_essid
),
1515 IW_HANDLER(SIOCGIWESSID
, ray_get_essid
),
1516 IW_HANDLER(SIOCSIWRATE
, ray_set_rate
),
1517 IW_HANDLER(SIOCGIWRATE
, ray_get_rate
),
1518 IW_HANDLER(SIOCSIWRTS
, ray_set_rts
),
1519 IW_HANDLER(SIOCGIWRTS
, ray_get_rts
),
1520 IW_HANDLER(SIOCSIWFRAG
, ray_set_frag
),
1521 IW_HANDLER(SIOCGIWFRAG
, ray_get_frag
),
1524 #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
1525 #define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
1526 #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
1528 static const iw_handler ray_private_handler
[] = {
1529 [0] = ray_set_framing
,
1530 [1] = ray_get_framing
,
1531 [3] = ray_get_country
,
1534 static const struct iw_priv_args ray_private_args
[] = {
1535 /* cmd, set_args, get_args, name */
1536 {SIOCSIPFRAMING
, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1, 0,
1538 {SIOCGIPFRAMING
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1,
1540 {SIOCGIPCOUNTRY
, 0, IW_PRIV_TYPE_BYTE
| IW_PRIV_SIZE_FIXED
| 1,
1544 static const struct iw_handler_def ray_handler_def
= {
1545 .num_standard
= ARRAY_SIZE(ray_handler
),
1546 .num_private
= ARRAY_SIZE(ray_private_handler
),
1547 .num_private_args
= ARRAY_SIZE(ray_private_args
),
1548 .standard
= ray_handler
,
1549 .private = ray_private_handler
,
1550 .private_args
= ray_private_args
,
1551 .get_wireless_stats
= ray_get_wireless_stats
,
1554 /*===========================================================================*/
1555 static int ray_open(struct net_device
*dev
)
1557 ray_dev_t
*local
= netdev_priv(dev
);
1558 struct pcmcia_device
*link
;
1559 link
= local
->finder
;
1561 dev_dbg(&link
->dev
, "ray_open('%s')\n", dev
->name
);
1563 if (link
->open
== 0)
1564 local
->num_multi
= 0;
1567 /* If the card is not started, time to start it ! - Jean II */
1568 if (local
->card_status
== CARD_AWAITING_PARAM
) {
1571 dev_dbg(&link
->dev
, "ray_open: doing init now !\n");
1573 /* Download startup parameters */
1574 if ((i
= dl_startup_params(dev
)) < 0) {
1576 "ray_dev_init dl_startup_params failed - "
1577 "returns 0x%x\n", i
);
1583 netif_stop_queue(dev
);
1585 netif_start_queue(dev
);
1587 dev_dbg(&link
->dev
, "ray_open ending\n");
1589 } /* end ray_open */
1591 /*===========================================================================*/
1592 static int ray_dev_close(struct net_device
*dev
)
1594 ray_dev_t
*local
= netdev_priv(dev
);
1595 struct pcmcia_device
*link
;
1596 link
= local
->finder
;
1598 dev_dbg(&link
->dev
, "ray_dev_close('%s')\n", dev
->name
);
1601 netif_stop_queue(dev
);
1603 /* In here, we should stop the hardware (stop card from beeing active)
1604 * and set local->card_status to CARD_AWAITING_PARAM, so that while the
1605 * card is closed we can chage its configuration.
1606 * Probably also need a COR reset to get sane state - Jean II */
1609 } /* end ray_dev_close */
1611 /*===========================================================================*/
1612 static void ray_reset(struct net_device
*dev
)
1614 pr_debug("ray_reset entered\n");
1617 /*===========================================================================*/
1618 /* Cause a firmware interrupt if it is ready for one */
1619 /* Return nonzero if not ready */
1620 static int interrupt_ecf(ray_dev_t
*local
, int ccs
)
1623 struct pcmcia_device
*link
= local
->finder
;
1625 if (!(pcmcia_dev_present(link
))) {
1626 dev_dbg(&link
->dev
, "ray_cs interrupt_ecf - device not present\n");
1629 dev_dbg(&link
->dev
, "interrupt_ecf(local=%p, ccs = 0x%x\n", local
, ccs
);
1632 (readb(local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
) &
1636 dev_dbg(&link
->dev
, "ray_cs interrupt_ecf card not ready for interrupt\n");
1639 /* Fill the mailbox, then kick the card */
1640 writeb(ccs
, local
->sram
+ SCB_BASE
);
1641 writeb(ECF_INTR_SET
, local
->amem
+ CIS_OFFSET
+ ECF_INTR_OFFSET
);
1643 } /* interrupt_ecf */
1645 /*===========================================================================*/
1646 /* Get next free transmit CCS */
1647 /* Return - index of current tx ccs */
1648 static int get_free_tx_ccs(ray_dev_t
*local
)
1651 struct ccs __iomem
*pccs
= ccs_base(local
);
1652 struct pcmcia_device
*link
= local
->finder
;
1654 if (!(pcmcia_dev_present(link
))) {
1655 dev_dbg(&link
->dev
, "ray_cs get_free_tx_ccs - device not present\n");
1659 if (test_and_set_bit(0, &local
->tx_ccs_lock
)) {
1660 dev_dbg(&link
->dev
, "ray_cs tx_ccs_lock busy\n");
1664 for (i
= 0; i
< NUMBER_OF_TX_CCS
; i
++) {
1665 if (readb(&(pccs
+ i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1666 writeb(CCS_BUFFER_BUSY
, &(pccs
+ i
)->buffer_status
);
1667 writeb(CCS_END_LIST
, &(pccs
+ i
)->link
);
1668 local
->tx_ccs_lock
= 0;
1672 local
->tx_ccs_lock
= 0;
1673 dev_dbg(&link
->dev
, "ray_cs ERROR no free tx CCS for raylink card\n");
1675 } /* get_free_tx_ccs */
1677 /*===========================================================================*/
1678 /* Get next free CCS */
1679 /* Return - index of current ccs */
1680 static int get_free_ccs(ray_dev_t
*local
)
1683 struct ccs __iomem
*pccs
= ccs_base(local
);
1684 struct pcmcia_device
*link
= local
->finder
;
1686 if (!(pcmcia_dev_present(link
))) {
1687 dev_dbg(&link
->dev
, "ray_cs get_free_ccs - device not present\n");
1690 if (test_and_set_bit(0, &local
->ccs_lock
)) {
1691 dev_dbg(&link
->dev
, "ray_cs ccs_lock busy\n");
1695 for (i
= NUMBER_OF_TX_CCS
; i
< NUMBER_OF_CCS
; i
++) {
1696 if (readb(&(pccs
+ i
)->buffer_status
) == CCS_BUFFER_FREE
) {
1697 writeb(CCS_BUFFER_BUSY
, &(pccs
+ i
)->buffer_status
);
1698 writeb(CCS_END_LIST
, &(pccs
+ i
)->link
);
1699 local
->ccs_lock
= 0;
1703 local
->ccs_lock
= 0;
1704 dev_dbg(&link
->dev
, "ray_cs ERROR no free CCS for raylink card\n");
1706 } /* get_free_ccs */
1708 /*===========================================================================*/
1709 static void authenticate_timeout(u_long data
)
1711 ray_dev_t
*local
= (ray_dev_t
*) data
;
1712 del_timer(&local
->timer
);
1713 printk(KERN_INFO
"ray_cs Authentication with access point failed"
1715 join_net((u_long
) local
);
1718 /*===========================================================================*/
1719 static int parse_addr(char *in_str
, UCHAR
*out
)
1727 if ((len
= strlen(in_str
)) < 2)
1729 memset(out
, 0, ADDRLEN
);
1738 if ((k
= hex_to_bin(in_str
[j
--])) != -1)
1745 if ((k
= hex_to_bin(in_str
[j
--])) != -1)
1755 /*===========================================================================*/
1756 static struct net_device_stats
*ray_get_stats(struct net_device
*dev
)
1758 ray_dev_t
*local
= netdev_priv(dev
);
1759 struct pcmcia_device
*link
= local
->finder
;
1760 struct status __iomem
*p
= local
->sram
+ STATUS_BASE
;
1761 if (!(pcmcia_dev_present(link
))) {
1762 dev_dbg(&link
->dev
, "ray_cs net_device_stats - device not present\n");
1763 return &local
->stats
;
1765 if (readb(&p
->mrx_overflow_for_host
)) {
1766 local
->stats
.rx_over_errors
+= swab16(readw(&p
->mrx_overflow
));
1767 writeb(0, &p
->mrx_overflow
);
1768 writeb(0, &p
->mrx_overflow_for_host
);
1770 if (readb(&p
->mrx_checksum_error_for_host
)) {
1771 local
->stats
.rx_crc_errors
+=
1772 swab16(readw(&p
->mrx_checksum_error
));
1773 writeb(0, &p
->mrx_checksum_error
);
1774 writeb(0, &p
->mrx_checksum_error_for_host
);
1776 if (readb(&p
->rx_hec_error_for_host
)) {
1777 local
->stats
.rx_frame_errors
+= swab16(readw(&p
->rx_hec_error
));
1778 writeb(0, &p
->rx_hec_error
);
1779 writeb(0, &p
->rx_hec_error_for_host
);
1781 return &local
->stats
;
1784 /*===========================================================================*/
1785 static void ray_update_parm(struct net_device
*dev
, UCHAR objid
, UCHAR
*value
,
1788 ray_dev_t
*local
= netdev_priv(dev
);
1789 struct pcmcia_device
*link
= local
->finder
;
1792 struct ccs __iomem
*pccs
;
1794 if (!(pcmcia_dev_present(link
))) {
1795 dev_dbg(&link
->dev
, "ray_update_parm - device not present\n");
1799 if ((ccsindex
= get_free_ccs(local
)) < 0) {
1800 dev_dbg(&link
->dev
, "ray_update_parm - No free ccs\n");
1803 pccs
= ccs_base(local
) + ccsindex
;
1804 writeb(CCS_UPDATE_PARAMS
, &pccs
->cmd
);
1805 writeb(objid
, &pccs
->var
.update_param
.object_id
);
1806 writeb(1, &pccs
->var
.update_param
.number_objects
);
1807 writeb(0, &pccs
->var
.update_param
.failure_cause
);
1808 for (i
= 0; i
< len
; i
++) {
1809 writeb(value
[i
], local
->sram
+ HOST_TO_ECF_BASE
);
1811 /* Interrupt the firmware to process the command */
1812 if (interrupt_ecf(local
, ccsindex
)) {
1813 dev_dbg(&link
->dev
, "ray_cs associate failed - ECF not ready for intr\n");
1814 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1818 /*===========================================================================*/
1819 static void ray_update_multi_list(struct net_device
*dev
, int all
)
1822 struct ccs __iomem
*pccs
;
1823 ray_dev_t
*local
= netdev_priv(dev
);
1824 struct pcmcia_device
*link
= local
->finder
;
1825 void __iomem
*p
= local
->sram
+ HOST_TO_ECF_BASE
;
1827 if (!(pcmcia_dev_present(link
))) {
1828 dev_dbg(&link
->dev
, "ray_update_multi_list - device not present\n");
1831 dev_dbg(&link
->dev
, "ray_update_multi_list(%p)\n", dev
);
1832 if ((ccsindex
= get_free_ccs(local
)) < 0) {
1833 dev_dbg(&link
->dev
, "ray_update_multi - No free ccs\n");
1836 pccs
= ccs_base(local
) + ccsindex
;
1837 writeb(CCS_UPDATE_MULTICAST_LIST
, &pccs
->cmd
);
1840 writeb(0xff, &pccs
->var
);
1841 local
->num_multi
= 0xff;
1843 struct netdev_hw_addr
*ha
;
1846 /* Copy the kernel's list of MC addresses to card */
1847 netdev_for_each_mc_addr(ha
, dev
) {
1848 memcpy_toio(p
, ha
->addr
, ETH_ALEN
);
1850 "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
1851 ha
->addr
[0], ha
->addr
[1],
1852 ha
->addr
[2], ha
->addr
[3],
1853 ha
->addr
[4], ha
->addr
[5]);
1857 if (i
> 256 / ADDRLEN
)
1859 writeb((UCHAR
) i
, &pccs
->var
);
1860 dev_dbg(&link
->dev
, "ray_cs update_multi %d addresses in list\n", i
);
1861 /* Interrupt the firmware to process the command */
1862 local
->num_multi
= i
;
1864 if (interrupt_ecf(local
, ccsindex
)) {
1866 "ray_cs update_multi failed - ECF not ready for intr\n");
1867 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
1869 } /* end ray_update_multi_list */
1871 /*===========================================================================*/
1872 static void set_multicast_list(struct net_device
*dev
)
1874 ray_dev_t
*local
= netdev_priv(dev
);
1877 pr_debug("ray_cs set_multicast_list(%p)\n", dev
);
1879 if (dev
->flags
& IFF_PROMISC
) {
1880 if (local
->sparm
.b5
.a_promiscuous_mode
== 0) {
1881 pr_debug("ray_cs set_multicast_list promisc on\n");
1882 local
->sparm
.b5
.a_promiscuous_mode
= 1;
1884 ray_update_parm(dev
, OBJID_promiscuous_mode
,
1885 &promisc
, sizeof(promisc
));
1888 if (local
->sparm
.b5
.a_promiscuous_mode
== 1) {
1889 pr_debug("ray_cs set_multicast_list promisc off\n");
1890 local
->sparm
.b5
.a_promiscuous_mode
= 0;
1892 ray_update_parm(dev
, OBJID_promiscuous_mode
,
1893 &promisc
, sizeof(promisc
));
1897 if (dev
->flags
& IFF_ALLMULTI
)
1898 ray_update_multi_list(dev
, 1);
1900 if (local
->num_multi
!= netdev_mc_count(dev
))
1901 ray_update_multi_list(dev
, 0);
1903 } /* end set_multicast_list */
1905 /*=============================================================================
1906 * All routines below here are run at interrupt time.
1907 =============================================================================*/
1908 static irqreturn_t
ray_interrupt(int irq
, void *dev_id
)
1910 struct net_device
*dev
= (struct net_device
*)dev_id
;
1911 struct pcmcia_device
*link
;
1913 struct ccs __iomem
*pccs
;
1914 struct rcs __iomem
*prcs
;
1920 if (dev
== NULL
) /* Note that we want interrupts with dev->start == 0 */
1923 pr_debug("ray_cs: interrupt for *dev=%p\n", dev
);
1925 local
= netdev_priv(dev
);
1926 link
= (struct pcmcia_device
*)local
->finder
;
1927 if (!pcmcia_dev_present(link
)) {
1929 "ray_cs interrupt from device not present or suspended.\n");
1932 rcsindex
= readb(&((struct scb __iomem
*)(local
->sram
))->rcs_index
);
1934 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
)) {
1935 dev_dbg(&link
->dev
, "ray_cs interrupt bad rcsindex = 0x%x\n", rcsindex
);
1936 clear_interrupt(local
);
1939 if (rcsindex
< NUMBER_OF_CCS
) { /* If it's a returned CCS */
1940 pccs
= ccs_base(local
) + rcsindex
;
1941 cmd
= readb(&pccs
->cmd
);
1942 status
= readb(&pccs
->buffer_status
);
1944 case CCS_DOWNLOAD_STARTUP_PARAMS
: /* Happens in firmware someday */
1945 del_timer(&local
->timer
);
1946 if (status
== CCS_COMMAND_COMPLETE
) {
1948 "ray_cs interrupt download_startup_parameters OK\n");
1951 "ray_cs interrupt download_startup_parameters fail\n");
1954 case CCS_UPDATE_PARAMS
:
1955 dev_dbg(&link
->dev
, "ray_cs interrupt update params done\n");
1956 if (status
!= CCS_COMMAND_COMPLETE
) {
1958 readb(&pccs
->var
.update_param
.
1961 "ray_cs interrupt update params failed - reason %d\n",
1965 case CCS_REPORT_PARAMS
:
1966 dev_dbg(&link
->dev
, "ray_cs interrupt report params done\n");
1968 case CCS_UPDATE_MULTICAST_LIST
: /* Note that this CCS isn't returned */
1970 "ray_cs interrupt CCS Update Multicast List done\n");
1972 case CCS_UPDATE_POWER_SAVINGS_MODE
:
1974 "ray_cs interrupt update power save mode done\n");
1976 case CCS_START_NETWORK
:
1977 case CCS_JOIN_NETWORK
:
1978 if (status
== CCS_COMMAND_COMPLETE
) {
1980 (&pccs
->var
.start_network
.net_initiated
) ==
1983 "ray_cs interrupt network \"%s\" started\n",
1984 local
->sparm
.b4
.a_current_ess_id
);
1987 "ray_cs interrupt network \"%s\" joined\n",
1988 local
->sparm
.b4
.a_current_ess_id
);
1990 memcpy_fromio(&local
->bss_id
,
1991 pccs
->var
.start_network
.bssid
,
1994 if (local
->fw_ver
== 0x55)
1995 local
->net_default_tx_rate
= 3;
1997 local
->net_default_tx_rate
=
1998 readb(&pccs
->var
.start_network
.
1999 net_default_tx_rate
);
2001 readb(&pccs
->var
.start_network
.encryption
);
2002 if (!sniffer
&& (local
->net_type
== INFRA
)
2003 && !(local
->sparm
.b4
.a_acting_as_ap_status
)) {
2004 authenticate(local
);
2006 local
->card_status
= CARD_ACQ_COMPLETE
;
2008 local
->card_status
= CARD_ACQ_FAILED
;
2010 del_timer(&local
->timer
);
2011 local
->timer
.expires
= jiffies
+ HZ
* 5;
2012 local
->timer
.data
= (long)local
;
2013 if (status
== CCS_START_NETWORK
) {
2015 "ray_cs interrupt network \"%s\" start failed\n",
2016 local
->sparm
.b4
.a_current_ess_id
);
2017 local
->timer
.function
= &start_net
;
2020 "ray_cs interrupt network \"%s\" join failed\n",
2021 local
->sparm
.b4
.a_current_ess_id
);
2022 local
->timer
.function
= &join_net
;
2024 add_timer(&local
->timer
);
2027 case CCS_START_ASSOCIATION
:
2028 if (status
== CCS_COMMAND_COMPLETE
) {
2029 local
->card_status
= CARD_ASSOC_COMPLETE
;
2030 dev_dbg(&link
->dev
, "ray_cs association successful\n");
2032 dev_dbg(&link
->dev
, "ray_cs association failed,\n");
2033 local
->card_status
= CARD_ASSOC_FAILED
;
2034 join_net((u_long
) local
);
2037 case CCS_TX_REQUEST
:
2038 if (status
== CCS_COMMAND_COMPLETE
) {
2040 "ray_cs interrupt tx request complete\n");
2043 "ray_cs interrupt tx request failed\n");
2046 netif_start_queue(dev
);
2047 netif_wake_queue(dev
);
2049 case CCS_TEST_MEMORY
:
2050 dev_dbg(&link
->dev
, "ray_cs interrupt mem test done\n");
2054 "ray_cs interrupt Unexpected CCS returned - Shutdown\n");
2056 case CCS_DUMP_MEMORY
:
2057 dev_dbg(&link
->dev
, "ray_cs interrupt dump memory done\n");
2059 case CCS_START_TIMER
:
2061 "ray_cs interrupt DING - raylink timer expired\n");
2065 "ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",
2068 writeb(CCS_BUFFER_FREE
, &pccs
->buffer_status
);
2069 } else { /* It's an RCS */
2071 prcs
= rcs_base(local
) + rcsindex
;
2073 switch (readb(&prcs
->interrupt_id
)) {
2074 case PROCESS_RX_PACKET
:
2075 ray_rx(dev
, local
, prcs
);
2077 case REJOIN_NET_COMPLETE
:
2078 dev_dbg(&link
->dev
, "ray_cs interrupt rejoin net complete\n");
2079 local
->card_status
= CARD_ACQ_COMPLETE
;
2080 /* do we need to clear tx buffers CCS's? */
2081 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2083 netif_start_queue(dev
);
2085 memcpy_fromio(&local
->bss_id
,
2086 prcs
->var
.rejoin_net_complete
.
2089 "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
2090 local
->bss_id
[0], local
->bss_id
[1],
2091 local
->bss_id
[2], local
->bss_id
[3],
2092 local
->bss_id
[4], local
->bss_id
[5]);
2094 authenticate(local
);
2097 case ROAMING_INITIATED
:
2098 dev_dbg(&link
->dev
, "ray_cs interrupt roaming initiated\n");
2099 netif_stop_queue(dev
);
2100 local
->card_status
= CARD_DOING_ACQ
;
2102 case JAPAN_CALL_SIGN_RXD
:
2103 dev_dbg(&link
->dev
, "ray_cs interrupt japan call sign rx\n");
2107 "ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",
2109 (unsigned int)readb(&prcs
->interrupt_id
));
2112 writeb(CCS_BUFFER_FREE
, &prcs
->buffer_status
);
2114 clear_interrupt(local
);
2116 } /* ray_interrupt */
2118 /*===========================================================================*/
2119 static void ray_rx(struct net_device
*dev
, ray_dev_t
*local
,
2120 struct rcs __iomem
*prcs
)
2123 unsigned int pkt_addr
;
2125 pr_debug("ray_rx process rx packet\n");
2127 /* Calculate address of packet within Rx buffer */
2128 pkt_addr
= ((readb(&prcs
->var
.rx_packet
.rx_data_ptr
[0]) << 8)
2129 + readb(&prcs
->var
.rx_packet
.rx_data_ptr
[1])) & RX_BUFF_END
;
2130 /* Length of first packet fragment */
2131 rx_len
= (readb(&prcs
->var
.rx_packet
.rx_data_length
[0]) << 8)
2132 + readb(&prcs
->var
.rx_packet
.rx_data_length
[1]);
2134 local
->last_rsl
= readb(&prcs
->var
.rx_packet
.rx_sig_lev
);
2135 pmsg
= local
->rmem
+ pkt_addr
;
2136 switch (readb(pmsg
)) {
2138 pr_debug("ray_rx data type\n");
2139 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2141 case AUTHENTIC_TYPE
:
2142 pr_debug("ray_rx authentic type\n");
2144 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2146 rx_authenticate(local
, prcs
, pkt_addr
, rx_len
);
2148 case DEAUTHENTIC_TYPE
:
2149 pr_debug("ray_rx deauth type\n");
2151 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2153 rx_deauthenticate(local
, prcs
, pkt_addr
, rx_len
);
2156 pr_debug("ray_cs rx NULL msg\n");
2159 pr_debug("ray_rx beacon type\n");
2161 rx_data(dev
, prcs
, pkt_addr
, rx_len
);
2163 copy_from_rx_buff(local
, (UCHAR
*) &local
->last_bcn
, pkt_addr
,
2164 rx_len
< sizeof(struct beacon_rx
) ?
2165 rx_len
: sizeof(struct beacon_rx
));
2167 local
->beacon_rxed
= 1;
2168 /* Get the statistics so the card counters never overflow */
2172 pr_debug("ray_cs unknown pkt type %2x\n",
2173 (unsigned int)readb(pmsg
));
2179 /*===========================================================================*/
2180 static void rx_data(struct net_device
*dev
, struct rcs __iomem
*prcs
,
2181 unsigned int pkt_addr
, int rx_len
)
2183 struct sk_buff
*skb
= NULL
;
2184 struct rcs __iomem
*prcslink
= prcs
;
2185 ray_dev_t
*local
= netdev_priv(dev
);
2190 int siglev
= local
->last_rsl
;
2191 u_char linksrcaddr
[ETH_ALEN
]; /* Other end of the wireless link */
2196 /* TBD length needs fixing for translated header */
2197 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2199 (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+
2202 "ray_cs invalid packet length %d received\n",
2206 } else { /* encapsulated ethernet */
2208 if (rx_len
< (ETH_HLEN
+ RX_MAC_HEADER_LENGTH
) ||
2210 (dev
->mtu
+ RX_MAC_HEADER_LENGTH
+ ETH_HLEN
+
2213 "ray_cs invalid packet length %d received\n",
2219 pr_debug("ray_cs rx_data packet\n");
2220 /* If fragmented packet, verify sizes of fragments add up */
2221 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2222 pr_debug("ray_cs rx'ed fragment\n");
2223 tmp
= (readb(&prcs
->var
.rx_packet
.totalpacketlength
[0]) << 8)
2224 + readb(&prcs
->var
.rx_packet
.totalpacketlength
[1]);
2229 (readb(&prcslink
->var
.rx_packet
.rx_data_length
[0])
2231 + readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]);
2232 if (readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
)
2235 prcslink
= rcs_base(local
)
2236 + readb(&prcslink
->link_field
);
2241 "ray_cs rx_data fragment lengths don't add up\n");
2242 local
->stats
.rx_dropped
++;
2243 release_frag_chain(local
, prcs
);
2246 } else { /* Single unfragmented packet */
2250 skb
= dev_alloc_skb(total_len
+ 5);
2252 pr_debug("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) */
2260 pr_debug("ray_cs rx_data total_len = %x, rx_len = %x\n", total_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 */
2268 copy_from_rx_buff(local
, rx_ptr
, pkt_addr
& RX_BUFF_END
, rx_len
);
2269 /* Get source address */
2271 skb_copy_from_linear_data_offset(skb
,
2272 offsetof(struct mac_header
, addr_2
),
2273 linksrcaddr
, ETH_ALEN
);
2275 /* Now, deal with encapsulation/translation/sniffer */
2278 /* Encapsulated ethernet, so just lop off 802.11 MAC header */
2279 /* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
2280 skb_pull(skb
, RX_MAC_HEADER_LENGTH
);
2282 /* Do translation */
2283 untranslate(local
, skb
, total_len
);
2285 } else { /* sniffer mode, so just pass whole packet */
2288 /************************/
2289 /* Now pick up the rest of the fragments if any */
2291 if (readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
) != 0xFF) {
2293 pr_debug("ray_cs rx_data in fragment loop\n");
2295 prcslink
= rcs_base(local
)
2297 readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2299 ((readb(&prcslink
->var
.rx_packet
.rx_data_length
[0])
2302 readb(&prcslink
->var
.rx_packet
.rx_data_length
[1]))
2305 ((readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[0]) <<
2307 + readb(&prcslink
->var
.rx_packet
.rx_data_ptr
[1]))
2311 copy_from_rx_buff(local
, rx_ptr
, pkt_addr
, rx_len
);
2314 readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
) !=
2316 release_frag_chain(local
, prcs
);
2319 skb
->protocol
= eth_type_trans(skb
, dev
);
2321 local
->stats
.rx_packets
++;
2322 local
->stats
.rx_bytes
+= total_len
;
2324 /* Gather signal strength per address */
2326 /* For the Access Point or the node having started the ad-hoc net
2327 * note : ad-hoc work only in some specific configurations, but we
2328 * kludge in ray_get_wireless_stats... */
2329 if (!memcmp(linksrcaddr
, local
->bss_id
, ETH_ALEN
)) {
2330 /* Update statistics */
2331 /*local->wstats.qual.qual = none ? */
2332 local
->wstats
.qual
.level
= siglev
;
2333 /*local->wstats.qual.noise = none ? */
2334 local
->wstats
.qual
.updated
= 0x2;
2336 /* Now, update the spy stuff */
2338 struct iw_quality wstats
;
2339 wstats
.level
= siglev
;
2340 /* wstats.noise = none ? */
2341 /* wstats.qual = none ? */
2342 wstats
.updated
= 0x2;
2343 /* Update spy records */
2344 wireless_spy_update(dev
, linksrcaddr
, &wstats
);
2346 #endif /* WIRELESS_SPY */
2349 /*===========================================================================*/
2350 static void untranslate(ray_dev_t
*local
, struct sk_buff
*skb
, int len
)
2352 snaphdr_t
*psnap
= (snaphdr_t
*) (skb
->data
+ RX_MAC_HEADER_LENGTH
);
2353 struct ieee80211_hdr
*pmac
= (struct ieee80211_hdr
*)skb
->data
;
2354 __be16 type
= *(__be16
*) psnap
->ethertype
;
2356 struct ethhdr
*peth
;
2357 UCHAR srcaddr
[ADDRLEN
];
2358 UCHAR destaddr
[ADDRLEN
];
2359 static UCHAR org_bridge
[3] = { 0, 0, 0xf8 };
2360 static UCHAR org_1042
[3] = { 0, 0, 0 };
2362 memcpy(destaddr
, ieee80211_get_DA(pmac
), ADDRLEN
);
2363 memcpy(srcaddr
, ieee80211_get_SA(pmac
), ADDRLEN
);
2367 print_hex_dump(KERN_DEBUG
, "skb->data before untranslate: ",
2368 DUMP_PREFIX_NONE
, 16, 1,
2369 skb
->data
, 64, true);
2371 "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n",
2372 ntohs(type
), psnap
->dsap
, psnap
->ssap
, psnap
->ctrl
,
2373 psnap
->org
[0], psnap
->org
[1], psnap
->org
[2]);
2374 printk(KERN_DEBUG
"untranslate skb->data = %p\n", skb
->data
);
2378 if (psnap
->dsap
!= 0xaa || psnap
->ssap
!= 0xaa || psnap
->ctrl
!= 3) {
2379 /* not a snap type so leave it alone */
2380 pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n",
2381 psnap
->dsap
, psnap
->ssap
, psnap
->ctrl
);
2383 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2384 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2385 peth
->h_proto
= htons(len
- RX_MAC_HEADER_LENGTH
);
2386 } else { /* Its a SNAP */
2387 if (memcmp(psnap
->org
, org_bridge
, 3) == 0) {
2388 /* EtherII and nuke the LLC */
2389 pr_debug("ray_cs untranslate Bridge encap\n");
2390 delta
= RX_MAC_HEADER_LENGTH
2391 + sizeof(struct snaphdr_t
) - ETH_HLEN
;
2392 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2393 peth
->h_proto
= type
;
2394 } else if (memcmp(psnap
->org
, org_1042
, 3) == 0) {
2395 switch (ntohs(type
)) {
2398 pr_debug("ray_cs untranslate RFC IPX/AARP\n");
2399 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2400 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2402 htons(len
- RX_MAC_HEADER_LENGTH
);
2405 pr_debug("ray_cs untranslate RFC default\n");
2406 delta
= RX_MAC_HEADER_LENGTH
+
2407 sizeof(struct snaphdr_t
) - ETH_HLEN
;
2408 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2409 peth
->h_proto
= type
;
2413 printk("ray_cs untranslate very confused by packet\n");
2414 delta
= RX_MAC_HEADER_LENGTH
- ETH_HLEN
;
2415 peth
= (struct ethhdr
*)(skb
->data
+ delta
);
2416 peth
->h_proto
= type
;
2419 /* TBD reserve skb_reserve(skb, delta); */
2420 skb_pull(skb
, delta
);
2421 pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta
,
2423 memcpy(peth
->h_dest
, destaddr
, ADDRLEN
);
2424 memcpy(peth
->h_source
, srcaddr
, ADDRLEN
);
2428 printk(KERN_DEBUG
"skb->data after untranslate:");
2429 for (i
= 0; i
< 64; i
++)
2430 printk("%02x ", skb
->data
[i
]);
2434 } /* end untranslate */
2436 /*===========================================================================*/
2437 /* Copy data from circular receive buffer to PC memory.
2438 * dest = destination address in PC memory
2439 * pkt_addr = source address in receive buffer
2440 * len = length of packet to copy
2442 static int copy_from_rx_buff(ray_dev_t
*local
, UCHAR
*dest
, int pkt_addr
,
2445 int wrap_bytes
= (pkt_addr
+ length
) - (RX_BUFF_END
+ 1);
2446 if (wrap_bytes
<= 0) {
2447 memcpy_fromio(dest
, local
->rmem
+ pkt_addr
, length
);
2448 } else { /* Packet wrapped in circular buffer */
2450 memcpy_fromio(dest
, local
->rmem
+ pkt_addr
,
2451 length
- wrap_bytes
);
2452 memcpy_fromio(dest
+ length
- wrap_bytes
, local
->rmem
,
2458 /*===========================================================================*/
2459 static void release_frag_chain(ray_dev_t
*local
, struct rcs __iomem
*prcs
)
2461 struct rcs __iomem
*prcslink
= prcs
;
2463 unsigned rcsindex
= readb(&prcs
->var
.rx_packet
.next_frag_rcs_index
);
2466 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2467 if (rcsindex
>= (NUMBER_OF_CCS
+ NUMBER_OF_RCS
)) {
2468 pr_debug("ray_cs interrupt bad rcsindex = 0x%x\n",
2472 prcslink
= rcs_base(local
) + rcsindex
;
2473 rcsindex
= readb(&prcslink
->var
.rx_packet
.next_frag_rcs_index
);
2475 writeb(CCS_BUFFER_FREE
, &prcslink
->buffer_status
);
2478 /*===========================================================================*/
2479 static void authenticate(ray_dev_t
*local
)
2481 struct pcmcia_device
*link
= local
->finder
;
2482 dev_dbg(&link
->dev
, "ray_cs Starting authentication.\n");
2483 if (!(pcmcia_dev_present(link
))) {
2484 dev_dbg(&link
->dev
, "ray_cs authenticate - device not present\n");
2488 del_timer(&local
->timer
);
2489 if (build_auth_frame(local
, local
->bss_id
, OPEN_AUTH_REQUEST
)) {
2490 local
->timer
.function
= &join_net
;
2492 local
->timer
.function
= &authenticate_timeout
;
2494 local
->timer
.expires
= jiffies
+ HZ
* 2;
2495 local
->timer
.data
= (long)local
;
2496 add_timer(&local
->timer
);
2497 local
->authentication_state
= AWAITING_RESPONSE
;
2498 } /* end authenticate */
2500 /*===========================================================================*/
2501 static void rx_authenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2502 unsigned int pkt_addr
, int rx_len
)
2505 struct rx_msg
*msg
= (struct rx_msg
*)buff
;
2507 del_timer(&local
->timer
);
2509 copy_from_rx_buff(local
, buff
, pkt_addr
, rx_len
& 0xff);
2510 /* if we are trying to get authenticated */
2511 if (local
->sparm
.b4
.a_network_type
== ADHOC
) {
2512 pr_debug("ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n",
2513 msg
->var
[0], msg
->var
[1], msg
->var
[2], msg
->var
[3],
2514 msg
->var
[4], msg
->var
[5]);
2515 if (msg
->var
[2] == 1) {
2516 pr_debug("ray_cs Sending authentication response.\n");
2517 if (!build_auth_frame
2518 (local
, msg
->mac
.addr_2
, OPEN_AUTH_RESPONSE
)) {
2519 local
->authentication_state
= NEED_TO_AUTH
;
2520 memcpy(local
->auth_id
, msg
->mac
.addr_2
,
2524 } else { /* Infrastructure network */
2526 if (local
->authentication_state
== AWAITING_RESPONSE
) {
2527 /* Verify authentication sequence #2 and success */
2528 if (msg
->var
[2] == 2) {
2529 if ((msg
->var
[3] | msg
->var
[4]) == 0) {
2530 pr_debug("Authentication successful\n");
2531 local
->card_status
= CARD_AUTH_COMPLETE
;
2533 local
->authentication_state
=
2536 pr_debug("Authentication refused\n");
2537 local
->card_status
= CARD_AUTH_REFUSED
;
2538 join_net((u_long
) local
);
2539 local
->authentication_state
=
2546 } /* end rx_authenticate */
2548 /*===========================================================================*/
2549 static void associate(ray_dev_t
*local
)
2551 struct ccs __iomem
*pccs
;
2552 struct pcmcia_device
*link
= local
->finder
;
2553 struct net_device
*dev
= link
->priv
;
2555 if (!(pcmcia_dev_present(link
))) {
2556 dev_dbg(&link
->dev
, "ray_cs associate - device not present\n");
2559 /* If no tx buffers available, return */
2560 if ((ccsindex
= get_free_ccs(local
)) < 0) {
2561 /* TBD should never be here but... what if we are? */
2562 dev_dbg(&link
->dev
, "ray_cs associate - No free ccs\n");
2565 dev_dbg(&link
->dev
, "ray_cs Starting association with access point\n");
2566 pccs
= ccs_base(local
) + ccsindex
;
2567 /* fill in the CCS */
2568 writeb(CCS_START_ASSOCIATION
, &pccs
->cmd
);
2569 /* Interrupt the firmware to process the command */
2570 if (interrupt_ecf(local
, ccsindex
)) {
2571 dev_dbg(&link
->dev
, "ray_cs associate failed - ECF not ready for intr\n");
2572 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2574 del_timer(&local
->timer
);
2575 local
->timer
.expires
= jiffies
+ HZ
* 2;
2576 local
->timer
.data
= (long)local
;
2577 local
->timer
.function
= &join_net
;
2578 add_timer(&local
->timer
);
2579 local
->card_status
= CARD_ASSOC_FAILED
;
2583 netif_start_queue(dev
);
2585 } /* end associate */
2587 /*===========================================================================*/
2588 static void rx_deauthenticate(ray_dev_t
*local
, struct rcs __iomem
*prcs
,
2589 unsigned int pkt_addr
, int rx_len
)
2592 struct rx_msg *msg = (struct rx_msg *)buff;
2594 pr_debug("Deauthentication frame received\n");
2595 local
->authentication_state
= UNAUTHENTICATED
;
2596 /* Need to reauthenticate or rejoin depending on reason code */
2597 /* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
2601 /*===========================================================================*/
2602 static void clear_interrupt(ray_dev_t
*local
)
2604 writeb(0, local
->amem
+ CIS_OFFSET
+ HCS_INTR_OFFSET
);
2607 /*===========================================================================*/
2608 #ifdef CONFIG_PROC_FS
2609 #define MAXDATA (PAGE_SIZE - 80)
2611 static char *card_status
[] = {
2612 "Card inserted - uninitialized", /* 0 */
2613 "Card not downloaded", /* 1 */
2614 "Waiting for download parameters", /* 2 */
2615 "Card doing acquisition", /* 3 */
2616 "Acquisition complete", /* 4 */
2617 "Authentication complete", /* 5 */
2618 "Association complete", /* 6 */
2619 "???", "???", "???", "???", /* 7 8 9 10 undefined */
2620 "Card init error", /* 11 */
2621 "Download parameters error", /* 12 */
2623 "Acquisition failed", /* 14 */
2624 "Authentication refused", /* 15 */
2625 "Association failed" /* 16 */
2628 static char *nettype
[] = { "Adhoc", "Infra " };
2629 static char *framing
[] = { "Encapsulation", "Translation" }
2632 /*===========================================================================*/
2633 static int ray_cs_proc_show(struct seq_file
*m
, void *v
)
2635 /* Print current values which are not available via other means
2639 struct pcmcia_device
*link
;
2640 struct net_device
*dev
;
2643 struct freq_hop_element
*pfh
;
2649 dev
= (struct net_device
*)link
->priv
;
2652 local
= netdev_priv(dev
);
2656 seq_puts(m
, "Raylink Wireless LAN driver status\n");
2657 seq_printf(m
, "%s\n", rcsid
);
2658 /* build 4 does not report version, and field is 0x55 after memtest */
2659 seq_puts(m
, "Firmware version = ");
2660 if (local
->fw_ver
== 0x55)
2661 seq_puts(m
, "4 - Use dump_cis for more details\n");
2663 seq_printf(m
, "%2d.%02d.%02d\n",
2664 local
->fw_ver
, local
->fw_bld
, local
->fw_var
);
2666 for (i
= 0; i
< 32; i
++)
2667 c
[i
] = local
->sparm
.b5
.a_current_ess_id
[i
];
2669 seq_printf(m
, "%s network ESSID = \"%s\"\n",
2670 nettype
[local
->sparm
.b5
.a_network_type
], c
);
2673 seq_printf(m
, "BSSID = %pM\n", p
);
2675 seq_printf(m
, "Country code = %d\n",
2676 local
->sparm
.b5
.a_curr_country_code
);
2678 i
= local
->card_status
;
2683 seq_printf(m
, "Card status = %s\n", card_status
[i
]);
2685 seq_printf(m
, "Framing mode = %s\n", framing
[translate
]);
2687 seq_printf(m
, "Last pkt signal lvl = %d\n", local
->last_rsl
);
2689 if (local
->beacon_rxed
) {
2690 /* Pull some fields out of last beacon received */
2691 seq_printf(m
, "Beacon Interval = %d Kus\n",
2692 local
->last_bcn
.beacon_intvl
[0]
2693 + 256 * local
->last_bcn
.beacon_intvl
[1]);
2695 p
= local
->last_bcn
.elements
;
2696 if (p
[0] == C_ESSID_ELEMENT_ID
)
2700 "Parse beacon failed at essid element id = %d\n",
2705 if (p
[0] == C_SUPPORTED_RATES_ELEMENT_ID
) {
2706 seq_puts(m
, "Supported rate codes = ");
2707 for (i
= 2; i
< p
[1] + 2; i
++)
2708 seq_printf(m
, "0x%02x ", p
[i
]);
2712 seq_puts(m
, "Parse beacon failed at rates element\n");
2716 if (p
[0] == C_FH_PARAM_SET_ELEMENT_ID
) {
2717 pfh
= (struct freq_hop_element
*)p
;
2718 seq_printf(m
, "Hop dwell = %d Kus\n",
2719 pfh
->dwell_time
[0] +
2720 256 * pfh
->dwell_time
[1]);
2721 seq_printf(m
, "Hop set = %d\n",
2723 seq_printf(m
, "Hop pattern = %d\n",
2725 seq_printf(m
, "Hop index = %d\n",
2730 "Parse beacon failed at FH param element\n");
2734 seq_puts(m
, "No beacons received\n");
2739 static int ray_cs_proc_open(struct inode
*inode
, struct file
*file
)
2741 return single_open(file
, ray_cs_proc_show
, NULL
);
2744 static const struct file_operations ray_cs_proc_fops
= {
2745 .owner
= THIS_MODULE
,
2746 .open
= ray_cs_proc_open
,
2748 .llseek
= seq_lseek
,
2749 .release
= single_release
,
2752 /*===========================================================================*/
2753 static int build_auth_frame(ray_dev_t
*local
, UCHAR
*dest
, int auth_type
)
2756 struct ccs __iomem
*pccs
;
2757 struct tx_msg __iomem
*ptx
;
2760 /* If no tx buffers available, return */
2761 if ((ccsindex
= get_free_tx_ccs(local
)) < 0) {
2762 pr_debug("ray_cs send authenticate - No free tx ccs\n");
2766 pccs
= ccs_base(local
) + ccsindex
;
2768 /* Address in card space */
2769 addr
= TX_BUF_BASE
+ (ccsindex
<< 11);
2770 /* fill in the CCS */
2771 writeb(CCS_TX_REQUEST
, &pccs
->cmd
);
2772 writeb(addr
>> 8, pccs
->var
.tx_request
.tx_data_ptr
);
2773 writeb(0x20, pccs
->var
.tx_request
.tx_data_ptr
+ 1);
2774 writeb(TX_AUTHENTICATE_LENGTH_MSB
, pccs
->var
.tx_request
.tx_data_length
);
2775 writeb(TX_AUTHENTICATE_LENGTH_LSB
,
2776 pccs
->var
.tx_request
.tx_data_length
+ 1);
2777 writeb(0, &pccs
->var
.tx_request
.pow_sav_mode
);
2779 ptx
= local
->sram
+ addr
;
2780 /* fill in the mac header */
2781 writeb(PROTOCOL_VER
| AUTHENTIC_TYPE
, &ptx
->mac
.frame_ctl_1
);
2782 writeb(0, &ptx
->mac
.frame_ctl_2
);
2784 memcpy_toio(ptx
->mac
.addr_1
, dest
, ADDRLEN
);
2785 memcpy_toio(ptx
->mac
.addr_2
, local
->sparm
.b4
.a_mac_addr
, ADDRLEN
);
2786 memcpy_toio(ptx
->mac
.addr_3
, local
->bss_id
, ADDRLEN
);
2788 /* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
2789 memset_io(ptx
->var
, 0, 6);
2790 writeb(auth_type
& 0xff, ptx
->var
+ 2);
2792 /* Interrupt the firmware to process the command */
2793 if (interrupt_ecf(local
, ccsindex
)) {
2795 "ray_cs send authentication request failed - ECF not ready for intr\n");
2796 writeb(CCS_BUFFER_FREE
, &(pccs
++)->buffer_status
);
2800 } /* End build_auth_frame */
2802 /*===========================================================================*/
2803 #ifdef CONFIG_PROC_FS
2804 static ssize_t
ray_cs_essid_proc_write(struct file
*file
,
2805 const char __user
*buffer
, size_t count
, loff_t
*pos
)
2807 static char proc_essid
[33];
2808 unsigned int len
= count
;
2812 memset(proc_essid
, 0, 33);
2813 if (copy_from_user(proc_essid
, buffer
, len
))
2819 static const struct file_operations ray_cs_essid_proc_fops
= {
2820 .owner
= THIS_MODULE
,
2821 .write
= ray_cs_essid_proc_write
,
2824 static ssize_t
int_proc_write(struct file
*file
, const char __user
*buffer
,
2825 size_t count
, loff_t
*pos
)
2827 static char proc_number
[10];
2836 if (copy_from_user(proc_number
, buffer
, count
))
2842 unsigned int c
= *p
- '0';
2848 *(int *)PDE(file
->f_path
.dentry
->d_inode
)->data
= nr
;
2852 static const struct file_operations int_proc_fops
= {
2853 .owner
= THIS_MODULE
,
2854 .write
= int_proc_write
,
2858 static struct pcmcia_device_id ray_ids
[] = {
2859 PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
2863 MODULE_DEVICE_TABLE(pcmcia
, ray_ids
);
2865 static struct pcmcia_driver ray_driver
= {
2866 .owner
= THIS_MODULE
,
2871 .remove
= ray_detach
,
2872 .id_table
= ray_ids
,
2873 .suspend
= ray_suspend
,
2874 .resume
= ray_resume
,
2877 static int __init
init_ray_cs(void)
2881 pr_debug("%s\n", rcsid
);
2882 rc
= pcmcia_register_driver(&ray_driver
);
2883 pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n",
2886 #ifdef CONFIG_PROC_FS
2887 proc_mkdir("driver/ray_cs", NULL
);
2889 proc_create("driver/ray_cs/ray_cs", 0, NULL
, &ray_cs_proc_fops
);
2890 proc_create("driver/ray_cs/essid", S_IWUSR
, NULL
, &ray_cs_essid_proc_fops
);
2891 proc_create_data("driver/ray_cs/net_type", S_IWUSR
, NULL
, &int_proc_fops
, &net_type
);
2892 proc_create_data("driver/ray_cs/translate", S_IWUSR
, NULL
, &int_proc_fops
, &translate
);
2899 /*===========================================================================*/
2901 static void __exit
exit_ray_cs(void)
2903 pr_debug("ray_cs: cleanup_module\n");
2905 #ifdef CONFIG_PROC_FS
2906 remove_proc_entry("driver/ray_cs/ray_cs", NULL
);
2907 remove_proc_entry("driver/ray_cs/essid", NULL
);
2908 remove_proc_entry("driver/ray_cs/net_type", NULL
);
2909 remove_proc_entry("driver/ray_cs/translate", NULL
);
2910 remove_proc_entry("driver/ray_cs", NULL
);
2913 pcmcia_unregister_driver(&ray_driver
);
2916 module_init(init_ray_cs
);
2917 module_exit(exit_ray_cs
);
2919 /*===========================================================================*/