projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ipw2100: remove strange symbol prefixes
[linux-2.6-block.git] / drivers / net / wireless / ipw2100.c
CommitLineData
2c86c275
JK		 1/******************************************************************************
2
3 Copyright(c) 2003 - 2005 Intel Corporation. All rights reserved.
4
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of version 2 of the GNU General Public License as
7 published by the Free Software Foundation.
8
9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 more details.
13
14 You should have received a copy of the GNU General Public License along with
15 this program; if not, write to the Free Software Foundation, Inc., 59
16 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 The full GNU General Public License is included in this distribution in the
19 file called LICENSE.
20
21 Contact Information:
22 James P. Ketrenos <ipw2100-admin@linux.intel.com>
23 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24
25 Portions of this file are based on the sample_* files provided by Wireless
26 Extensions 0.26 package and copyright (c) 1997-2003 Jean Tourrilhes
27 <jt@hpl.hp.com>
28
29 Portions of this file are based on the Host AP project,
30 Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
31 <jkmaline@cc.hut.fi>
32 Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
33
34 Portions of ipw2100_mod_firmware_load, ipw2100_do_mod_firmware_load, and
35 ipw2100_fw_load are loosely based on drivers/sound/sound_firmware.c
36 available in the 2.4.25 kernel sources, and are copyright (c) Alan Cox
37
38******************************************************************************/
39/*
40
41 Initial driver on which this is based was developed by Janusz Gorycki,
42 Maciej Urbaniak, and Maciej Sosnowski.
43
44 Promiscuous mode support added by Jacek Wysoczynski and Maciej Urbaniak.
45
46Theory of Operation
47
48Tx - Commands and Data
49
50Firmware and host share a circular queue of Transmit Buffer Descriptors (TBDs)
51Each TBD contains a pointer to the physical (dma_addr_t) address of data being
52sent to the firmware as well as the length of the data.
53
54The host writes to the TBD queue at the WRITE index. The WRITE index points
55to the _next_ packet to be written and is advanced when after the TBD has been
56filled.
57
58The firmware pulls from the TBD queue at the READ index. The READ index points
59to the currently being read entry, and is advanced once the firmware is
60done with a packet.
61
62When data is sent to the firmware, the first TBD is used to indicate to the
63firmware if a Command or Data is being sent. If it is Command, all of the
64command information is contained within the physical address referred to by the
65TBD. If it is Data, the first TBD indicates the type of data packet, number
66of fragments, etc. The next TBD then referrs to the actual packet location.
67
68The Tx flow cycle is as follows:
69
701) ipw2100_tx() is called by kernel with SKB to transmit
712) Packet is move from the tx_free_list and appended to the transmit pending
72 list (tx_pend_list)
733) work is scheduled to move pending packets into the shared circular queue.
744) when placing packet in the circular queue, the incoming SKB is DMA mapped
75 to a physical address. That address is entered into a TBD. Two TBDs are
76 filled out. The first indicating a data packet, the second referring to the
77 actual payload data.
785) the packet is removed from tx_pend_list and placed on the end of the
79 firmware pending list (fw_pend_list)
806) firmware is notified that the WRITE index has
817) Once the firmware has processed the TBD, INTA is triggered.
828) For each Tx interrupt received from the firmware, the READ index is checked
83 to see which TBDs are done being processed.
849) For each TBD that has been processed, the ISR pulls the oldest packet
85 from the fw_pend_list.
8610)The packet structure contained in the fw_pend_list is then used
87 to unmap the DMA address and to free the SKB originally passed to the driver
88 from the kernel.
8911)The packet structure is placed onto the tx_free_list
90
91The above steps are the same for commands, only the msg_free_list/msg_pend_list
92are used instead of tx_free_list/tx_pend_list
93
94...
95
96Critical Sections / Locking :
97
98There are two locks utilized. The first is the low level lock (priv->low_lock)
99that protects the following:
100
101- Access to the Tx/Rx queue lists via priv->low_lock. The lists are as follows:
102
103 tx_free_list : Holds pre-allocated Tx buffers.
104 TAIL modified in __ipw2100_tx_process()
105 HEAD modified in ipw2100_tx()
106
107 tx_pend_list : Holds used Tx buffers waiting to go into the TBD ring
108 TAIL modified ipw2100_tx()
19f7f742 109 HEAD modified by ipw2100_tx_send_data()
2c86c275
JK		 110
111 msg_free_list : Holds pre-allocated Msg (Command) buffers
112 TAIL modified in __ipw2100_tx_process()
113 HEAD modified in ipw2100_hw_send_command()
114
115 msg_pend_list : Holds used Msg buffers waiting to go into the TBD ring
116 TAIL modified in ipw2100_hw_send_command()
19f7f742 117 HEAD modified in ipw2100_tx_send_commands()
2c86c275
JK		 118
119 The flow of data on the TX side is as follows:
120
121 MSG_FREE_LIST + COMMAND => MSG_PEND_LIST => TBD => MSG_FREE_LIST
122 TX_FREE_LIST + DATA => TX_PEND_LIST => TBD => TX_FREE_LIST
123
124 The methods that work on the TBD ring are protected via priv->low_lock.
125
126- The internal data state of the device itself
127- Access to the firmware read/write indexes for the BD queues
128 and associated logic
129
130All external entry functions are locked with the priv->action_lock to ensure
131that only one external action is invoked at a time.
132
133
134*/
135
136#include <linux/compiler.h>
137#include <linux/config.h>
138#include <linux/errno.h>
139#include <linux/if_arp.h>
140#include <linux/in6.h>
141#include <linux/in.h>
142#include <linux/ip.h>
143#include <linux/kernel.h>
144#include <linux/kmod.h>
145#include <linux/module.h>
146#include <linux/netdevice.h>
147#include <linux/ethtool.h>
148#include <linux/pci.h>
05743d16 149#include <linux/dma-mapping.h>
2c86c275
JK		 150#include <linux/proc_fs.h>
151#include <linux/skbuff.h>
152#include <asm/uaccess.h>
153#include <asm/io.h>
154#define __KERNEL_SYSCALLS__
155#include <linux/fs.h>
156#include <linux/mm.h>
157#include <linux/slab.h>
158#include <linux/unistd.h>
159#include <linux/stringify.h>
160#include <linux/tcp.h>
161#include <linux/types.h>
162#include <linux/version.h>
163#include <linux/time.h>
164#include <linux/firmware.h>
165#include <linux/acpi.h>
166#include <linux/ctype.h>
167
168#include "ipw2100.h"
169
170#define IPW2100_VERSION "1.1.0"
171
172#define DRV_NAME "ipw2100"
173#define DRV_VERSION IPW2100_VERSION
174#define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2100 Network Driver"
175#define DRV_COPYRIGHT "Copyright(c) 2003-2004 Intel Corporation"
176
177
178/* Debugging stuff */
179#ifdef CONFIG_IPW_DEBUG
180#define CONFIG_IPW2100_RX_DEBUG /* Reception debugging */
181#endif
182
183MODULE_DESCRIPTION(DRV_DESCRIPTION);
184MODULE_VERSION(DRV_VERSION);
185MODULE_AUTHOR(DRV_COPYRIGHT);
186MODULE_LICENSE("GPL");
187
188static int debug = 0;
189static int mode = 0;
190static int channel = 0;
191static int associate = 1;
192static int disable = 0;
193#ifdef CONFIG_PM
194static struct ipw2100_fw ipw2100_firmware;
195#endif
196
197#include <linux/moduleparam.h>
198module_param(debug, int, 0444);
199module_param(mode, int, 0444);
200module_param(channel, int, 0444);
201module_param(associate, int, 0444);
202module_param(disable, int, 0444);
203
204MODULE_PARM_DESC(debug, "debug level");
205MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)");
206MODULE_PARM_DESC(channel, "channel");
207MODULE_PARM_DESC(associate, "auto associate when scanning (default on)");
208MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])");
209
210u32 ipw2100_debug_level = IPW_DL_NONE;
211
212#ifdef CONFIG_IPW_DEBUG
213static const char *command_types[] = {
214 "undefined",
215 "unused", /* HOST_ATTENTION */
216 "HOST_COMPLETE",
217 "unused", /* SLEEP */
218 "unused", /* HOST_POWER_DOWN */
219 "unused",
220 "SYSTEM_CONFIG",
221 "unused", /* SET_IMR */
222 "SSID",
223 "MANDATORY_BSSID",
224 "AUTHENTICATION_TYPE",
225 "ADAPTER_ADDRESS",
226 "PORT_TYPE",
227 "INTERNATIONAL_MODE",
228 "CHANNEL",
229 "RTS_THRESHOLD",
230 "FRAG_THRESHOLD",
231 "POWER_MODE",
232 "TX_RATES",
233 "BASIC_TX_RATES",
234 "WEP_KEY_INFO",
235 "unused",
236 "unused",
237 "unused",
238 "unused",
239 "WEP_KEY_INDEX",
240 "WEP_FLAGS",
241 "ADD_MULTICAST",
242 "CLEAR_ALL_MULTICAST",
243 "BEACON_INTERVAL",
244 "ATIM_WINDOW",
245 "CLEAR_STATISTICS",
246 "undefined",
247 "undefined",
248 "undefined",
249 "undefined",
250 "TX_POWER_INDEX",
251 "undefined",
252 "undefined",
253 "undefined",
254 "undefined",
255 "undefined",
256 "undefined",
257 "BROADCAST_SCAN",
258 "CARD_DISABLE",
259 "PREFERRED_BSSID",
260 "SET_SCAN_OPTIONS",
261 "SCAN_DWELL_TIME",
262 "SWEEP_TABLE",
263 "AP_OR_STATION_TABLE",
264 "GROUP_ORDINALS",
265 "SHORT_RETRY_LIMIT",
266 "LONG_RETRY_LIMIT",
267 "unused", /* SAVE_CALIBRATION */
268 "unused", /* RESTORE_CALIBRATION */
269 "undefined",
270 "undefined",
271 "undefined",
272 "HOST_PRE_POWER_DOWN",
273 "unused", /* HOST_INTERRUPT_COALESCING */
274 "undefined",
275 "CARD_DISABLE_PHY_OFF",
276 "MSDU_TX_RATES"
277 "undefined",
278 "undefined",
279 "SET_STATION_STAT_BITS",
280 "CLEAR_STATIONS_STAT_BITS",
281 "LEAP_ROGUE_MODE",
282 "SET_SECURITY_INFORMATION",
283 "DISASSOCIATION_BSSID",
284 "SET_WPA_ASS_IE"
285};
286#endif
287
288
289/* Pre-decl until we get the code solid and then we can clean it up */
19f7f742
JB		 290static void ipw2100_tx_send_commands(struct ipw2100_priv *priv);
291static void ipw2100_tx_send_data(struct ipw2100_priv *priv);
2c86c275
JK		 292static int ipw2100_adapter_setup(struct ipw2100_priv *priv);
293
294static void ipw2100_queues_initialize(struct ipw2100_priv *priv);
295static void ipw2100_queues_free(struct ipw2100_priv *priv);
296static int ipw2100_queues_allocate(struct ipw2100_priv *priv);
297
298
299static inline void read_register(struct net_device *dev, u32 reg, u32 *val)
300{
301 *val = readl((void *)(dev->base_addr + reg));
302 IPW_DEBUG_IO("r: 0x%08X => 0x%08X\n", reg, *val);
303}
304
305static inline void write_register(struct net_device *dev, u32 reg, u32 val)
306{
307 writel(val, (void *)(dev->base_addr + reg));
308 IPW_DEBUG_IO("w: 0x%08X <= 0x%08X\n", reg, val);
309}
310
311static inline void read_register_word(struct net_device *dev, u32 reg, u16 *val)
312{
313 *val = readw((void *)(dev->base_addr + reg));
314 IPW_DEBUG_IO("r: 0x%08X => %04X\n", reg, *val);
315}
316
317static inline void read_register_byte(struct net_device *dev, u32 reg, u8 *val)
318{
319 *val = readb((void *)(dev->base_addr + reg));
320 IPW_DEBUG_IO("r: 0x%08X => %02X\n", reg, *val);
321}
322
323static inline void write_register_word(struct net_device *dev, u32 reg, u16 val)
324{
325 writew(val, (void *)(dev->base_addr + reg));
326 IPW_DEBUG_IO("w: 0x%08X <= %04X\n", reg, val);
327}
328
329
330static inline void write_register_byte(struct net_device *dev, u32 reg, u8 val)
331{
332 writeb(val, (void *)(dev->base_addr + reg));
333 IPW_DEBUG_IO("w: 0x%08X =< %02X\n", reg, val);
334}
335
336static inline void read_nic_dword(struct net_device *dev, u32 addr, u32 *val)
337{
338 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
339 addr & IPW_REG_INDIRECT_ADDR_MASK);
340 read_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
341}
342
343static inline void write_nic_dword(struct net_device *dev, u32 addr, u32 val)
344{
345 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
346 addr & IPW_REG_INDIRECT_ADDR_MASK);
347 write_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
348}
349
350static inline void read_nic_word(struct net_device *dev, u32 addr, u16 *val)
351{
352 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
353 addr & IPW_REG_INDIRECT_ADDR_MASK);
354 read_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
355}
356
357static inline void write_nic_word(struct net_device *dev, u32 addr, u16 val)
358{
359 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
360 addr & IPW_REG_INDIRECT_ADDR_MASK);
361 write_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
362}
363
364static inline void read_nic_byte(struct net_device *dev, u32 addr, u8 *val)
365{
366 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
367 addr & IPW_REG_INDIRECT_ADDR_MASK);
368 read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
369}
370
371static inline void write_nic_byte(struct net_device *dev, u32 addr, u8 val)
372{
373 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
374 addr & IPW_REG_INDIRECT_ADDR_MASK);
375 write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
376}
377
378static inline void write_nic_auto_inc_address(struct net_device *dev, u32 addr)
379{
380 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS,
381 addr & IPW_REG_INDIRECT_ADDR_MASK);
382}
383
384static inline void write_nic_dword_auto_inc(struct net_device *dev, u32 val)
385{
386 write_register(dev, IPW_REG_AUTOINCREMENT_DATA, val);
387}
388
389static inline void write_nic_memory(struct net_device *dev, u32 addr, u32 len,
390 const u8 *buf)
391{
392 u32 aligned_addr;
393 u32 aligned_len;
394 u32 dif_len;
395 u32 i;
396
397 /* read first nibble byte by byte */
398 aligned_addr = addr & (~0x3);
399 dif_len = addr - aligned_addr;
400 if (dif_len) {
401 /* Start reading at aligned_addr + dif_len */
402 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
403 aligned_addr);
404 for (i = dif_len; i < 4; i++, buf++)
405 write_register_byte(
406 dev, IPW_REG_INDIRECT_ACCESS_DATA + i,
407 *buf);
408
409 len -= dif_len;
410 aligned_addr += 4;
411 }
412
413 /* read DWs through autoincrement registers */
414 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS,
415 aligned_addr);
416 aligned_len = len & (~0x3);
417 for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4)
418 write_register(
419 dev, IPW_REG_AUTOINCREMENT_DATA, *(u32 *)buf);
420
421 /* copy the last nibble */
422 dif_len = len - aligned_len;
423 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, aligned_addr);
424 for (i = 0; i < dif_len; i++, buf++)
425 write_register_byte(
426 dev, IPW_REG_INDIRECT_ACCESS_DATA + i, *buf);
427}
428
429static inline void read_nic_memory(struct net_device *dev, u32 addr, u32 len,
430 u8 *buf)
431{
432 u32 aligned_addr;
433 u32 aligned_len;
434 u32 dif_len;
435 u32 i;
436
437 /* read first nibble byte by byte */
438 aligned_addr = addr & (~0x3);
439 dif_len = addr - aligned_addr;
440 if (dif_len) {
441 /* Start reading at aligned_addr + dif_len */
442 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
443 aligned_addr);
444 for (i = dif_len; i < 4; i++, buf++)
445 read_register_byte(
446 dev, IPW_REG_INDIRECT_ACCESS_DATA + i, buf);
447
448 len -= dif_len;
449 aligned_addr += 4;
450 }
451
452 /* read DWs through autoincrement registers */
453 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS,
454 aligned_addr);
455 aligned_len = len & (~0x3);
456 for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4)
457 read_register(dev, IPW_REG_AUTOINCREMENT_DATA,
458 (u32 *)buf);
459
460 /* copy the last nibble */
461 dif_len = len - aligned_len;
462 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
463 aligned_addr);
464 for (i = 0; i < dif_len; i++, buf++)
465 read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA +
466 i, buf);
467}
468
469static inline int ipw2100_hw_is_adapter_in_system(struct net_device *dev)
470{
471 return (dev->base_addr &&
472 (readl((void *)(dev->base_addr + IPW_REG_DOA_DEBUG_AREA_START))
473 == IPW_DATA_DOA_DEBUG_VALUE));
474}
475
476int ipw2100_get_ordinal(struct ipw2100_priv *priv, u32 ord,
477 void *val, u32 *len)
478{
479 struct ipw2100_ordinals *ordinals = &priv->ordinals;
480 u32 addr;
481 u32 field_info;
482 u16 field_len;
483 u16 field_count;
484 u32 total_length;
485
486 if (ordinals->table1_addr == 0) {
487 IPW_DEBUG_WARNING(DRV_NAME ": attempt to use fw ordinals "
488 "before they have been loaded.\n");
489 return -EINVAL;
490 }
491
492 if (IS_ORDINAL_TABLE_ONE(ordinals, ord)) {
493 if (*len < IPW_ORD_TAB_1_ENTRY_SIZE) {
494 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
495
496 IPW_DEBUG_WARNING(DRV_NAME
aaa4d308 497 ": ordinal buffer length too small, need %zd\n",
2c86c275
JK		 498 IPW_ORD_TAB_1_ENTRY_SIZE);
499
500 return -EINVAL;
501 }
502
503 read_nic_dword(priv->net_dev, ordinals->table1_addr + (ord << 2),
504 &addr);
505 read_nic_dword(priv->net_dev, addr, val);
506
507 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
508
509 return 0;
510 }
511
512 if (IS_ORDINAL_TABLE_TWO(ordinals, ord)) {
513
514 ord -= IPW_START_ORD_TAB_2;
515
516 /* get the address of statistic */
517 read_nic_dword(priv->net_dev, ordinals->table2_addr + (ord << 3),
518 &addr);
519
520 /* get the second DW of statistics ;
521 * two 16-bit words - first is length, second is count */
522 read_nic_dword(priv->net_dev,
523 ordinals->table2_addr + (ord << 3) + sizeof(u32),
524 &field_info);
525
526 /* get each entry length */
527 field_len = *((u16 *)&field_info);
528
529 /* get number of entries */
530 field_count = *(((u16 *)&field_info) + 1);
531
532 /* abort if no enought memory */
533 total_length = field_len * field_count;
534 if (total_length > *len) {
535 *len = total_length;
536 return -EINVAL;
537 }
538
539 *len = total_length;
540 if (!total_length)
541 return 0;
542
543 /* read the ordinal data from the SRAM */
544 read_nic_memory(priv->net_dev, addr, total_length, val);
545
546 return 0;
547 }
548
549 IPW_DEBUG_WARNING(DRV_NAME ": ordinal %d neither in table 1 nor "
550 "in table 2\n", ord);
551
552 return -EINVAL;
553}
554
555static int ipw2100_set_ordinal(struct ipw2100_priv *priv, u32 ord, u32 *val,
556 u32 *len)
557{
558 struct ipw2100_ordinals *ordinals = &priv->ordinals;
559 u32 addr;
560
561 if (IS_ORDINAL_TABLE_ONE(ordinals, ord)) {
562 if (*len != IPW_ORD_TAB_1_ENTRY_SIZE) {
563 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
564 IPW_DEBUG_INFO("wrong size\n");
565 return -EINVAL;
566 }
567
568 read_nic_dword(priv->net_dev, ordinals->table1_addr + (ord << 2),
569 &addr);
570
571 write_nic_dword(priv->net_dev, addr, *val);
572
573 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
574
575 return 0;
576 }
577
578 IPW_DEBUG_INFO("wrong table\n");
579 if (IS_ORDINAL_TABLE_TWO(ordinals, ord))
580 return -EINVAL;
581
582 return -EINVAL;
583}
584
585static char *snprint_line(char *buf, size_t count,
586 const u8 *data, u32 len, u32 ofs)
587{
588 int out, i, j, l;
589 char c;
590
591 out = snprintf(buf, count, "%08X", ofs);
592
593 for (l = 0, i = 0; i < 2; i++) {
594 out += snprintf(buf + out, count - out, " ");
595 for (j = 0; j < 8 && l < len; j++, l++)
596 out += snprintf(buf + out, count - out, "%02X ",
597 data[(i * 8 + j)]);
598 for (; j < 8; j++)
599 out += snprintf(buf + out, count - out, " ");
600 }
601
602 out += snprintf(buf + out, count - out, " ");
603 for (l = 0, i = 0; i < 2; i++) {
604 out += snprintf(buf + out, count - out, " ");
605 for (j = 0; j < 8 && l < len; j++, l++) {
606 c = data[(i * 8 + j)];
607 if (!isascii(c) || !isprint(c))
608 c = '.';
609
610 out += snprintf(buf + out, count - out, "%c", c);
611 }
612
613 for (; j < 8; j++)
614 out += snprintf(buf + out, count - out, " ");
615 }
616
617 return buf;
618}
619
620static void printk_buf(int level, const u8 *data, u32 len)
621{
622 char line[81];
623 u32 ofs = 0;
624 if (!(ipw2100_debug_level & level))
625 return;
626
627 while (len) {
628 printk(KERN_DEBUG "%s\n",
629 snprint_line(line, sizeof(line), &data[ofs],
630 min(len, 16U), ofs));
631 ofs += 16;
632 len -= min(len, 16U);
633 }
634}
635
636
637
638#define MAX_RESET_BACKOFF 10
639
640static inline void schedule_reset(struct ipw2100_priv *priv)
641{
642 unsigned long now = get_seconds();
643
644 /* If we haven't received a reset request within the backoff period,
645 * then we can reset the backoff interval so this reset occurs
646 * immediately */
647 if (priv->reset_backoff &&
648 (now - priv->last_reset > priv->reset_backoff))
649 priv->reset_backoff = 0;
650
651 priv->last_reset = get_seconds();
652
653 if (!(priv->status & STATUS_RESET_PENDING)) {
654 IPW_DEBUG_INFO("%s: Scheduling firmware restart (%ds).\n",
655 priv->net_dev->name, priv->reset_backoff);
656 netif_carrier_off(priv->net_dev);
657 netif_stop_queue(priv->net_dev);
658 priv->status |= STATUS_RESET_PENDING;
659 if (priv->reset_backoff)
660 queue_delayed_work(priv->workqueue, &priv->reset_work,
661 priv->reset_backoff * HZ);
662 else
663 queue_work(priv->workqueue, &priv->reset_work);
664
665 if (priv->reset_backoff < MAX_RESET_BACKOFF)
666 priv->reset_backoff++;
667
668 wake_up_interruptible(&priv->wait_command_queue);
669 } else
670 IPW_DEBUG_INFO("%s: Firmware restart already in progress.\n",
671 priv->net_dev->name);
672
673}
674
675#define HOST_COMPLETE_TIMEOUT (2 * HZ)
676static int ipw2100_hw_send_command(struct ipw2100_priv *priv,
677 struct host_command * cmd)
678{
679 struct list_head *element;
680 struct ipw2100_tx_packet *packet;
681 unsigned long flags;
682 int err = 0;
683
684 IPW_DEBUG_HC("Sending %s command (#%d), %d bytes\n",
685 command_types[cmd->host_command], cmd->host_command,
686 cmd->host_command_length);
687 printk_buf(IPW_DL_HC, (u8*)cmd->host_command_parameters,
688 cmd->host_command_length);
689
690 spin_lock_irqsave(&priv->low_lock, flags);
691
692 if (priv->fatal_error) {
693 IPW_DEBUG_INFO("Attempt to send command while hardware in fatal error condition.\n");
694 err = -EIO;
695 goto fail_unlock;
696 }
697
698 if (!(priv->status & STATUS_RUNNING)) {
699 IPW_DEBUG_INFO("Attempt to send command while hardware is not running.\n");
700 err = -EIO;
701 goto fail_unlock;
702 }
703
704 if (priv->status & STATUS_CMD_ACTIVE) {
705 IPW_DEBUG_INFO("Attempt to send command while another command is pending.\n");
706 err = -EBUSY;
707 goto fail_unlock;
708 }
709
710 if (list_empty(&priv->msg_free_list)) {
711 IPW_DEBUG_INFO("no available msg buffers\n");
712 goto fail_unlock;
713 }
714
715 priv->status |= STATUS_CMD_ACTIVE;
716 priv->messages_sent++;
717
718 element = priv->msg_free_list.next;
719
720 packet = list_entry(element, struct ipw2100_tx_packet, list);
721 packet->jiffy_start = jiffies;
722
723 /* initialize the firmware command packet */
724 packet->info.c_struct.cmd->host_command_reg = cmd->host_command;
725 packet->info.c_struct.cmd->host_command_reg1 = cmd->host_command1;
726 packet->info.c_struct.cmd->host_command_len_reg = cmd->host_command_length;
727 packet->info.c_struct.cmd->sequence = cmd->host_command_sequence;
728
729 memcpy(packet->info.c_struct.cmd->host_command_params_reg,
730 cmd->host_command_parameters,
731 sizeof(packet->info.c_struct.cmd->host_command_params_reg));
732
733 list_del(element);
734 DEC_STAT(&priv->msg_free_stat);
735
736 list_add_tail(element, &priv->msg_pend_list);
737 INC_STAT(&priv->msg_pend_stat);
738
19f7f742
JB		 739 ipw2100_tx_send_commands(priv);
740 ipw2100_tx_send_data(priv);
2c86c275
JK		 741
742 spin_unlock_irqrestore(&priv->low_lock, flags);
743
744 /*
745 * We must wait for this command to complete before another
746 * command can be sent... but if we wait more than 3 seconds
747 * then there is a problem.
748 */
749
750 err = wait_event_interruptible_timeout(
751 priv->wait_command_queue, !(priv->status & STATUS_CMD_ACTIVE),
752 HOST_COMPLETE_TIMEOUT);
753
754 if (err == 0) {
755 IPW_DEBUG_INFO("Command completion failed out after %dms.\n",
756 HOST_COMPLETE_TIMEOUT / (HZ / 100));
757 priv->fatal_error = IPW2100_ERR_MSG_TIMEOUT;
758 priv->status &= ~STATUS_CMD_ACTIVE;
759 schedule_reset(priv);
760 return -EIO;
761 }
762
763 if (priv->fatal_error) {
764 IPW_DEBUG_WARNING("%s: firmware fatal error\n",
765 priv->net_dev->name);
766 return -EIO;
767 }
768
769 /* !!!!! HACK TEST !!!!!
770 * When lots of debug trace statements are enabled, the driver
771 * doesn't seem to have as many firmware restart cycles...
772 *
773 * As a test, we're sticking in a 1/100s delay here */
774 set_current_state(TASK_UNINTERRUPTIBLE);
775 schedule_timeout(HZ / 100);
776
777 return 0;
778
779 fail_unlock:
780 spin_unlock_irqrestore(&priv->low_lock, flags);
781
782 return err;
783}
784
785
786/*
787 * Verify the values and data access of the hardware
788 * No locks needed or used. No functions called.
789 */
790static int ipw2100_verify(struct ipw2100_priv *priv)
791{
792 u32 data1, data2;
793 u32 address;
794
795 u32 val1 = 0x76543210;
796 u32 val2 = 0xFEDCBA98;
797
798 /* Domain 0 check - all values should be DOA_DEBUG */
799 for (address = IPW_REG_DOA_DEBUG_AREA_START;
800 address < IPW_REG_DOA_DEBUG_AREA_END;
801 address += sizeof(u32)) {
802 read_register(priv->net_dev, address, &data1);
803 if (data1 != IPW_DATA_DOA_DEBUG_VALUE)
804 return -EIO;
805 }
806
807 /* Domain 1 check - use arbitrary read/write compare */
808 for (address = 0; address < 5; address++) {
809 /* The memory area is not used now */
810 write_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x32,
811 val1);
812 write_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x36,
813 val2);
814 read_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x32,
815 &data1);
816 read_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x36,
817 &data2);
818 if (val1 == data1 && val2 == data2)
819 return 0;
820 }
821
822 return -EIO;
823}
824
825/*
826 *
827 * Loop until the CARD_DISABLED bit is the same value as the
828 * supplied parameter
829 *
830 * TODO: See if it would be more efficient to do a wait/wake
831 * cycle and have the completion event trigger the wakeup
832 *
833 */
834#define IPW_CARD_DISABLE_COMPLETE_WAIT 100 // 100 milli
835static int ipw2100_wait_for_card_state(struct ipw2100_priv *priv, int state)
836{
837 int i;
838 u32 card_state;
839 u32 len = sizeof(card_state);
840 int err;
841
842 for (i = 0; i <= IPW_CARD_DISABLE_COMPLETE_WAIT * 1000; i += 50) {
843 err = ipw2100_get_ordinal(priv, IPW_ORD_CARD_DISABLED,
844 &card_state, &len);
845 if (err) {
846 IPW_DEBUG_INFO("Query of CARD_DISABLED ordinal "
847 "failed.\n");
848 return 0;
849 }
850
851 /* We'll break out if either the HW state says it is
852 * in the state we want, or if HOST_COMPLETE command
853 * finishes */
854 if ((card_state == state) ||
855 ((priv->status & STATUS_ENABLED) ?
856 IPW_HW_STATE_ENABLED : IPW_HW_STATE_DISABLED) == state) {
857 if (state == IPW_HW_STATE_ENABLED)
858 priv->status |= STATUS_ENABLED;
859 else
860 priv->status &= ~STATUS_ENABLED;
861
862 return 0;
863 }
864
865 udelay(50);
866 }
867
868 IPW_DEBUG_INFO("ipw2100_wait_for_card_state to %s state timed out\n",
869 state ? "DISABLED" : "ENABLED");
870 return -EIO;
871}
872
873
874/*********************************************************************
875 Procedure : sw_reset_and_clock
876 Purpose : Asserts s/w reset, asserts clock initialization
877 and waits for clock stabilization
878 ********************************************************************/
879static int sw_reset_and_clock(struct ipw2100_priv *priv)
880{
881 int i;
882 u32 r;
883
884 // assert s/w reset
885 write_register(priv->net_dev, IPW_REG_RESET_REG,
886 IPW_AUX_HOST_RESET_REG_SW_RESET);
887
888 // wait for clock stabilization
889 for (i = 0; i < 1000; i++) {
890 udelay(IPW_WAIT_RESET_ARC_COMPLETE_DELAY);
891
892 // check clock ready bit
893 read_register(priv->net_dev, IPW_REG_RESET_REG, &r);
894 if (r & IPW_AUX_HOST_RESET_REG_PRINCETON_RESET)
895 break;
896 }
897
898 if (i == 1000)
899 return -EIO; // TODO: better error value
900
901 /* set "initialization complete" bit to move adapter to
902 * D0 state */
903 write_register(priv->net_dev, IPW_REG_GP_CNTRL,
904 IPW_AUX_HOST_GP_CNTRL_BIT_INIT_DONE);
905
906 /* wait for clock stabilization */
907 for (i = 0; i < 10000; i++) {
908 udelay(IPW_WAIT_CLOCK_STABILIZATION_DELAY * 4);
909
910 /* check clock ready bit */
911 read_register(priv->net_dev, IPW_REG_GP_CNTRL, &r);
912 if (r & IPW_AUX_HOST_GP_CNTRL_BIT_CLOCK_READY)
913 break;
914 }
915
916 if (i == 10000)
917 return -EIO; /* TODO: better error value */
918
2c86c275
JK		 919 /* set D0 standby bit */
920 read_register(priv->net_dev, IPW_REG_GP_CNTRL, &r);
921 write_register(priv->net_dev, IPW_REG_GP_CNTRL,
922 r | IPW_AUX_HOST_GP_CNTRL_BIT_HOST_ALLOWS_STANDBY);
2c86c275
JK		 923
924 return 0;
925}
926
927/*********************************************************************
8724a118 928 Procedure : ipw2100_download_firmware
2c86c275
JK		 929 Purpose : Initiaze adapter after power on.
930 The sequence is:
931 1. assert s/w reset first!
932 2. awake clocks & wait for clock stabilization
933 3. hold ARC (don't ask me why...)
934 4. load Dino ucode and reset/clock init again
935 5. zero-out shared mem
936 6. download f/w
937 *******************************************************************/
938static int ipw2100_download_firmware(struct ipw2100_priv *priv)
939{
940 u32 address;
941 int err;
942
943#ifndef CONFIG_PM
944 /* Fetch the firmware and microcode */
945 struct ipw2100_fw ipw2100_firmware;
946#endif
947
948 if (priv->fatal_error) {
949 IPW_DEBUG_ERROR("%s: ipw2100_download_firmware called after "
950 "fatal error %d. Interface must be brought down.\n",
951 priv->net_dev->name, priv->fatal_error);
952 return -EINVAL;
953 }
954
955#ifdef CONFIG_PM
956 if (!ipw2100_firmware.version) {
957 err = ipw2100_get_firmware(priv, &ipw2100_firmware);
958 if (err) {
959 IPW_DEBUG_ERROR("%s: ipw2100_get_firmware failed: %d\n",
960 priv->net_dev->name, err);
961 priv->fatal_error = IPW2100_ERR_FW_LOAD;
962 goto fail;
963 }
964 }
965#else
966 err = ipw2100_get_firmware(priv, &ipw2100_firmware);
967 if (err) {
968 IPW_DEBUG_ERROR("%s: ipw2100_get_firmware failed: %d\n",
969 priv->net_dev->name, err);
970 priv->fatal_error = IPW2100_ERR_FW_LOAD;
971 goto fail;
972 }
973#endif
974 priv->firmware_version = ipw2100_firmware.version;
975
976 /* s/w reset and clock stabilization */
977 err = sw_reset_and_clock(priv);
978 if (err) {
979 IPW_DEBUG_ERROR("%s: sw_reset_and_clock failed: %d\n",
980 priv->net_dev->name, err);
981 goto fail;
982 }
983
984 err = ipw2100_verify(priv);
985 if (err) {
986 IPW_DEBUG_ERROR("%s: ipw2100_verify failed: %d\n",
987 priv->net_dev->name, err);
988 goto fail;
989 }
990
991 /* Hold ARC */
992 write_nic_dword(priv->net_dev,
993 IPW_INTERNAL_REGISTER_HALT_AND_RESET,
994 0x80000000);
995
996 /* allow ARC to run */
997 write_register(priv->net_dev, IPW_REG_RESET_REG, 0);
998
999 /* load microcode */
1000 err = ipw2100_ucode_download(priv, &ipw2100_firmware);
1001 if (err) {
1002 IPW_DEBUG_ERROR("%s: Error loading microcode: %d\n",
1003 priv->net_dev->name, err);
1004 goto fail;
1005 }
1006
1007 /* release ARC */
1008 write_nic_dword(priv->net_dev,
1009 IPW_INTERNAL_REGISTER_HALT_AND_RESET,
1010 0x00000000);
1011
1012 /* s/w reset and clock stabilization (again!!!) */
1013 err = sw_reset_and_clock(priv);
1014 if (err) {
1015 IPW_DEBUG_ERROR("%s: sw_reset_and_clock failed: %d\n",
1016 priv->net_dev->name, err);
1017 goto fail;
1018 }
1019
1020 /* load f/w */
1021 err = ipw2100_fw_download(priv, &ipw2100_firmware);
1022 if (err) {
1023 IPW_DEBUG_ERROR("%s: Error loading firmware: %d\n",
1024 priv->net_dev->name, err);
1025 goto fail;
1026 }
1027
1028#ifndef CONFIG_PM
1029 /*
1030 * When the .resume method of the driver is called, the other
1031 * part of the system, i.e. the ide driver could still stay in
1032 * the suspend stage. This prevents us from loading the firmware
1033 * from the disk. --YZ
1034 */
1035
1036 /* free any storage allocated for firmware image */
1037 ipw2100_release_firmware(priv, &ipw2100_firmware);
1038#endif
1039
1040 /* zero out Domain 1 area indirectly (Si requirement) */
1041 for (address = IPW_HOST_FW_SHARED_AREA0;
1042 address < IPW_HOST_FW_SHARED_AREA0_END; address += 4)
1043 write_nic_dword(priv->net_dev, address, 0);
1044 for (address = IPW_HOST_FW_SHARED_AREA1;
1045 address < IPW_HOST_FW_SHARED_AREA1_END; address += 4)
1046 write_nic_dword(priv->net_dev, address, 0);
1047 for (address = IPW_HOST_FW_SHARED_AREA2;
1048 address < IPW_HOST_FW_SHARED_AREA2_END; address += 4)
1049 write_nic_dword(priv->net_dev, address, 0);
1050 for (address = IPW_HOST_FW_SHARED_AREA3;
1051 address < IPW_HOST_FW_SHARED_AREA3_END; address += 4)
1052 write_nic_dword(priv->net_dev, address, 0);
1053 for (address = IPW_HOST_FW_INTERRUPT_AREA;
1054 address < IPW_HOST_FW_INTERRUPT_AREA_END; address += 4)
1055 write_nic_dword(priv->net_dev, address, 0);
1056
1057 return 0;
1058
1059 fail:
1060 ipw2100_release_firmware(priv, &ipw2100_firmware);
1061 return err;
1062}
1063
1064static inline void ipw2100_enable_interrupts(struct ipw2100_priv *priv)
1065{
1066 if (priv->status & STATUS_INT_ENABLED)
1067 return;
1068 priv->status |= STATUS_INT_ENABLED;
1069 write_register(priv->net_dev, IPW_REG_INTA_MASK, IPW_INTERRUPT_MASK);
1070}
1071
1072static inline void ipw2100_disable_interrupts(struct ipw2100_priv *priv)
1073{
1074 if (!(priv->status & STATUS_INT_ENABLED))
1075 return;
1076 priv->status &= ~STATUS_INT_ENABLED;
1077 write_register(priv->net_dev, IPW_REG_INTA_MASK, 0x0);
1078}
1079
1080
1081static void ipw2100_initialize_ordinals(struct ipw2100_priv *priv)
1082{
1083 struct ipw2100_ordinals *ord = &priv->ordinals;
1084
1085 IPW_DEBUG_INFO("enter\n");
1086
1087 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_ORDINALS_TABLE_1,
1088 &ord->table1_addr);
1089
1090 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_ORDINALS_TABLE_2,
1091 &ord->table2_addr);
1092
1093 read_nic_dword(priv->net_dev, ord->table1_addr, &ord->table1_size);
1094 read_nic_dword(priv->net_dev, ord->table2_addr, &ord->table2_size);
1095
1096 ord->table2_size &= 0x0000FFFF;
1097
1098 IPW_DEBUG_INFO("table 1 size: %d\n", ord->table1_size);
1099 IPW_DEBUG_INFO("table 2 size: %d\n", ord->table2_size);
1100 IPW_DEBUG_INFO("exit\n");
1101}
1102
1103static inline void ipw2100_hw_set_gpio(struct ipw2100_priv *priv)
1104{
1105 u32 reg = 0;
1106 /*
1107 * Set GPIO 3 writable by FW; GPIO 1 writable
1108 * by driver and enable clock
1109 */
1110 reg = (IPW_BIT_GPIO_GPIO3_MASK | IPW_BIT_GPIO_GPIO1_ENABLE |
1111 IPW_BIT_GPIO_LED_OFF);
1112 write_register(priv->net_dev, IPW_REG_GPIO, reg);
1113}
1114
1115static inline int rf_kill_active(struct ipw2100_priv *priv)
1116{
1117#define MAX_RF_KILL_CHECKS 5
1118#define RF_KILL_CHECK_DELAY 40
2c86c275
JK		 1119
1120 unsigned short value = 0;
1121 u32 reg = 0;
1122 int i;
1123
1124 if (!(priv->hw_features & HW_FEATURE_RFKILL)) {
1125 priv->status &= ~STATUS_RF_KILL_HW;
1126 return 0;
1127 }
1128
1129 for (i = 0; i < MAX_RF_KILL_CHECKS; i++) {
1130 udelay(RF_KILL_CHECK_DELAY);
1131 read_register(priv->net_dev, IPW_REG_GPIO, &reg);
1132 value = (value << 1) | ((reg & IPW_BIT_GPIO_RF_KILL) ? 0 : 1);
1133 }
1134
1135 if (value == 0)
1136 priv->status |= STATUS_RF_KILL_HW;
1137 else
1138 priv->status &= ~STATUS_RF_KILL_HW;
1139
1140 return (value == 0);
1141}
1142
1143static int ipw2100_get_hw_features(struct ipw2100_priv *priv)
1144{
1145 u32 addr, len;
1146 u32 val;
1147
1148 /*
1149 * EEPROM_SRAM_DB_START_ADDRESS using ordinal in ordinal table 1
1150 */
1151 len = sizeof(addr);
1152 if (ipw2100_get_ordinal(
1153 priv, IPW_ORD_EEPROM_SRAM_DB_BLOCK_START_ADDRESS,
1154 &addr, &len)) {
1155 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
1156 __LINE__);
1157 return -EIO;
1158 }
1159
1160 IPW_DEBUG_INFO("EEPROM address: %08X\n", addr);
1161
1162 /*
1163 * EEPROM version is the byte at offset 0xfd in firmware
1164 * We read 4 bytes, then shift out the byte we actually want */
1165 read_nic_dword(priv->net_dev, addr + 0xFC, &val);
1166 priv->eeprom_version = (val >> 24) & 0xFF;
1167 IPW_DEBUG_INFO("EEPROM version: %d\n", priv->eeprom_version);
1168
1169 /*
1170 * HW RF Kill enable is bit 0 in byte at offset 0x21 in firmware
1171 *
1172 * notice that the EEPROM bit is reverse polarity, i.e.
1173 * bit = 0 signifies HW RF kill switch is supported
1174 * bit = 1 signifies HW RF kill switch is NOT supported
1175 */
1176 read_nic_dword(priv->net_dev, addr + 0x20, &val);
1177 if (!((val >> 24) & 0x01))
1178 priv->hw_features |= HW_FEATURE_RFKILL;
1179
1180 IPW_DEBUG_INFO("HW RF Kill: %ssupported.\n",
1181 (priv->hw_features & HW_FEATURE_RFKILL) ?
1182 "" : "not ");
1183
1184 return 0;
1185}
1186
1187/*
1188 * Start firmware execution after power on and intialization
1189 * The sequence is:
1190 * 1. Release ARC
1191 * 2. Wait for f/w initialization completes;
1192 */
1193static int ipw2100_start_adapter(struct ipw2100_priv *priv)
1194{
2c86c275
JK		 1195 int i;
1196 u32 inta, inta_mask, gpio;
1197
1198 IPW_DEBUG_INFO("enter\n");
1199
1200 if (priv->status & STATUS_RUNNING)
1201 return 0;
1202
1203 /*
1204 * Initialize the hw - drive adapter to DO state by setting
1205 * init_done bit. Wait for clk_ready bit and Download
1206 * fw & dino ucode
1207 */
1208 if (ipw2100_download_firmware(priv)) {
1209 IPW_DEBUG_ERROR("%s: Failed to power on the adapter.\n",
1210 priv->net_dev->name);
1211 return -EIO;
1212 }
1213
1214 /* Clear the Tx, Rx and Msg queues and the r/w indexes
1215 * in the firmware RBD and TBD ring queue */
1216 ipw2100_queues_initialize(priv);
1217
1218 ipw2100_hw_set_gpio(priv);
1219
1220 /* TODO -- Look at disabling interrupts here to make sure none
1221 * get fired during FW initialization */
1222
1223 /* Release ARC - clear reset bit */
1224 write_register(priv->net_dev, IPW_REG_RESET_REG, 0);
1225
1226 /* wait for f/w intialization complete */
1227 IPW_DEBUG_FW("Waiting for f/w initialization to complete...\n");
1228 i = 5000;
1229 do {
1230 set_current_state(TASK_UNINTERRUPTIBLE);
8724a118 1231 schedule_timeout(40 * HZ / 1000);
2c86c275
JK		 1232 /* Todo... wait for sync command ... */
1233
1234 read_register(priv->net_dev, IPW_REG_INTA, &inta);
1235
1236 /* check "init done" bit */
1237 if (inta & IPW2100_INTA_FW_INIT_DONE) {
1238 /* reset "init done" bit */
1239 write_register(priv->net_dev, IPW_REG_INTA,
1240 IPW2100_INTA_FW_INIT_DONE);
1241 break;
1242 }
1243
1244 /* check error conditions : we check these after the firmware
1245 * check so that if there is an error, the interrupt handler
1246 * will see it and the adapter will be reset */
1247 if (inta &
1248 (IPW2100_INTA_FATAL_ERROR | IPW2100_INTA_PARITY_ERROR)) {
1249 /* clear error conditions */
1250 write_register(priv->net_dev, IPW_REG_INTA,
1251 IPW2100_INTA_FATAL_ERROR |
1252 IPW2100_INTA_PARITY_ERROR);
1253 }
1254 } while (i--);
1255
1256 /* Clear out any pending INTAs since we aren't supposed to have
1257 * interrupts enabled at this point... */
1258 read_register(priv->net_dev, IPW_REG_INTA, &inta);
1259 read_register(priv->net_dev, IPW_REG_INTA_MASK, &inta_mask);
1260 inta &= IPW_INTERRUPT_MASK;
1261 /* Clear out any pending interrupts */
1262 if (inta & inta_mask)
1263 write_register(priv->net_dev, IPW_REG_INTA, inta);
1264
1265 IPW_DEBUG_FW("f/w initialization complete: %s\n",
1266 i ? "SUCCESS" : "FAILED");
1267
1268 if (!i) {
1269 IPW_DEBUG_WARNING("%s: Firmware did not initialize.\n",
1270 priv->net_dev->name);
1271 return -EIO;
1272 }
1273
1274 /* allow firmware to write to GPIO1 & GPIO3 */
1275 read_register(priv->net_dev, IPW_REG_GPIO, &gpio);
1276
1277 gpio |= (IPW_BIT_GPIO_GPIO1_MASK | IPW_BIT_GPIO_GPIO3_MASK);
1278
1279 write_register(priv->net_dev, IPW_REG_GPIO, gpio);
1280
1281 /* Ready to receive commands */
1282 priv->status |= STATUS_RUNNING;
1283
1284 /* The adapter has been reset; we are not associated */
1285 priv->status &= ~(STATUS_ASSOCIATING | STATUS_ASSOCIATED);
1286
1287 IPW_DEBUG_INFO("exit\n");
1288
1289 return 0;
1290}
1291
1292static inline void ipw2100_reset_fatalerror(struct ipw2100_priv *priv)
1293{
1294 if (!priv->fatal_error)
1295 return;
1296
1297 priv->fatal_errors[priv->fatal_index++] = priv->fatal_error;
1298 priv->fatal_index %= IPW2100_ERROR_QUEUE;
1299 priv->fatal_error = 0;
1300}
1301
1302
1303/* NOTE: Our interrupt is disabled when this method is called */
1304static int ipw2100_power_cycle_adapter(struct ipw2100_priv *priv)
1305{
1306 u32 reg;
1307 int i;
1308
1309 IPW_DEBUG_INFO("Power cycling the hardware.\n");
1310
1311 ipw2100_hw_set_gpio(priv);
1312
1313 /* Step 1. Stop Master Assert */
1314 write_register(priv->net_dev, IPW_REG_RESET_REG,
1315 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
1316
1317 /* Step 2. Wait for stop Master Assert
1318 * (not more then 50us, otherwise ret error */
1319 i = 5;
1320 do {
1321 udelay(IPW_WAIT_RESET_MASTER_ASSERT_COMPLETE_DELAY);
1322 read_register(priv->net_dev, IPW_REG_RESET_REG, &reg);
1323
1324 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED)
1325 break;
1326 } while(i--);
1327
1328 priv->status &= ~STATUS_RESET_PENDING;
1329
1330 if (!i) {
1331 IPW_DEBUG_INFO("exit - waited too long for master assert stop\n");
1332 return -EIO;
1333 }
1334
1335 write_register(priv->net_dev, IPW_REG_RESET_REG,
1336 IPW_AUX_HOST_RESET_REG_SW_RESET);
1337
1338
1339 /* Reset any fatal_error conditions */
1340 ipw2100_reset_fatalerror(priv);
1341
1342 /* At this point, the adapter is now stopped and disabled */
1343 priv->status &= ~(STATUS_RUNNING | STATUS_ASSOCIATING |
1344 STATUS_ASSOCIATED | STATUS_ENABLED);
1345
1346 return 0;
1347}
1348
1349/*
1350 * Send the CARD_DISABLE_PHY_OFF comamnd to the card to disable it
1351 *
1352 * After disabling, if the card was associated, a STATUS_ASSN_LOST will be sent.
1353 *
1354 * STATUS_CARD_DISABLE_NOTIFICATION will be sent regardless of
1355 * if STATUS_ASSN_LOST is sent.
1356 */
1357static int ipw2100_hw_phy_off(struct ipw2100_priv *priv)
1358{
1359
1360#define HW_PHY_OFF_LOOP_DELAY (HZ / 5000)
1361
1362 struct host_command cmd = {
1363 .host_command = CARD_DISABLE_PHY_OFF,
1364 .host_command_sequence = 0,
1365 .host_command_length = 0,
1366 };
1367 int err, i;
1368 u32 val1, val2;
1369
1370 IPW_DEBUG_HC("CARD_DISABLE_PHY_OFF\n");
1371
1372 /* Turn off the radio */
1373 err = ipw2100_hw_send_command(priv, &cmd);
1374 if (err)
1375 return err;
1376
1377 for (i = 0; i < 2500; i++) {
1378 read_nic_dword(priv->net_dev, IPW2100_CONTROL_REG, &val1);
1379 read_nic_dword(priv->net_dev, IPW2100_COMMAND, &val2);
1380
1381 if ((val1 & IPW2100_CONTROL_PHY_OFF) &&
1382 (val2 & IPW2100_COMMAND_PHY_OFF))
1383 return 0;
1384
1385 set_current_state(TASK_UNINTERRUPTIBLE);
1386 schedule_timeout(HW_PHY_OFF_LOOP_DELAY);
1387 }
1388
1389 return -EIO;
1390}
1391
1392
1393static int ipw2100_enable_adapter(struct ipw2100_priv *priv)
1394{
1395 struct host_command cmd = {
1396 .host_command = HOST_COMPLETE,
1397 .host_command_sequence = 0,
1398 .host_command_length = 0
1399 };
1400 int err = 0;
1401
1402 IPW_DEBUG_HC("HOST_COMPLETE\n");
1403
1404 if (priv->status & STATUS_ENABLED)
1405 return 0;
1406
1407 down(&priv->adapter_sem);
1408
1409 if (rf_kill_active(priv)) {
1410 IPW_DEBUG_HC("Command aborted due to RF kill active.\n");
1411 goto fail_up;
1412 }
1413
1414 err = ipw2100_hw_send_command(priv, &cmd);
1415 if (err) {
1416 IPW_DEBUG_INFO("Failed to send HOST_COMPLETE command\n");
1417 goto fail_up;
1418 }
1419
1420 err = ipw2100_wait_for_card_state(priv, IPW_HW_STATE_ENABLED);
1421 if (err) {
1422 IPW_DEBUG_INFO(
1423 "%s: card not responding to init command.\n",
1424 priv->net_dev->name);
1425 goto fail_up;
1426 }
1427
1428 if (priv->stop_hang_check) {
1429 priv->stop_hang_check = 0;
1430 queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
1431 }
1432
1433fail_up:
1434 up(&priv->adapter_sem);
1435 return err;
1436}
1437
1438static int ipw2100_hw_stop_adapter(struct ipw2100_priv *priv)
1439{
1440#define HW_POWER_DOWN_DELAY (HZ / 10)
1441
1442 struct host_command cmd = {
1443 .host_command = HOST_PRE_POWER_DOWN,
1444 .host_command_sequence = 0,
1445 .host_command_length = 0,
1446 };
1447 int err, i;
1448 u32 reg;
1449
1450 if (!(priv->status & STATUS_RUNNING))
1451 return 0;
1452
1453 priv->status |= STATUS_STOPPING;
1454
1455 /* We can only shut down the card if the firmware is operational. So,
1456 * if we haven't reset since a fatal_error, then we can not send the
1457 * shutdown commands. */
1458 if (!priv->fatal_error) {
1459 /* First, make sure the adapter is enabled so that the PHY_OFF
1460 * command can shut it down */
1461 ipw2100_enable_adapter(priv);
1462
1463 err = ipw2100_hw_phy_off(priv);
1464 if (err)
1465 IPW_DEBUG_WARNING("Error disabling radio %d\n", err);
1466
1467 /*
1468 * If in D0-standby mode going directly to D3 may cause a
1469 * PCI bus violation. Therefore we must change out of the D0
1470 * state.
1471 *
1472 * Sending the PREPARE_FOR_POWER_DOWN will restrict the
1473 * hardware from going into standby mode and will transition
1474 * out of D0-standy if it is already in that state.
1475 *
1476 * STATUS_PREPARE_POWER_DOWN_COMPLETE will be sent by the
1477 * driver upon completion. Once received, the driver can
1478 * proceed to the D3 state.
1479 *
1480 * Prepare for power down command to fw. This command would
1481 * take HW out of D0-standby and prepare it for D3 state.
1482 *
1483 * Currently FW does not support event notification for this
1484 * event. Therefore, skip waiting for it. Just wait a fixed
1485 * 100ms
1486 */
1487 IPW_DEBUG_HC("HOST_PRE_POWER_DOWN\n");
1488
1489 err = ipw2100_hw_send_command(priv, &cmd);
1490 if (err)
1491 IPW_DEBUG_WARNING(
1492 "%s: Power down command failed: Error %d\n",
1493 priv->net_dev->name, err);
1494 else {
1495 set_current_state(TASK_UNINTERRUPTIBLE);
1496 schedule_timeout(HW_POWER_DOWN_DELAY);
1497 }
1498 }
1499
1500 priv->status &= ~STATUS_ENABLED;
1501
1502 /*
1503 * Set GPIO 3 writable by FW; GPIO 1 writable
1504 * by driver and enable clock
1505 */
1506 ipw2100_hw_set_gpio(priv);
1507
1508 /*
1509 * Power down adapter. Sequence:
1510 * 1. Stop master assert (RESET_REG[9]=1)
1511 * 2. Wait for stop master (RESET_REG[8]==1)
1512 * 3. S/w reset assert (RESET_REG[7] = 1)
1513 */
1514
1515 /* Stop master assert */
1516 write_register(priv->net_dev, IPW_REG_RESET_REG,
1517 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
1518
1519 /* wait stop master not more than 50 usec.
1520 * Otherwise return error. */
1521 for (i = 5; i > 0; i--) {
1522 udelay(10);
1523
1524 /* Check master stop bit */
1525 read_register(priv->net_dev, IPW_REG_RESET_REG, &reg);
1526
1527 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED)
1528 break;
1529 }
1530
1531 if (i == 0)
1532 IPW_DEBUG_WARNING(DRV_NAME
1533 ": %s: Could now power down adapter.\n",
1534 priv->net_dev->name);
1535
1536 /* assert s/w reset */
1537 write_register(priv->net_dev, IPW_REG_RESET_REG,
1538 IPW_AUX_HOST_RESET_REG_SW_RESET);
1539
1540 priv->status &= ~(STATUS_RUNNING | STATUS_STOPPING);
1541
1542 return 0;
1543}
1544
1545
1546static int ipw2100_disable_adapter(struct ipw2100_priv *priv)
1547{
1548 struct host_command cmd = {
1549 .host_command = CARD_DISABLE,
1550 .host_command_sequence = 0,
1551 .host_command_length = 0
1552 };
1553 int err = 0;
1554
1555 IPW_DEBUG_HC("CARD_DISABLE\n");
1556
1557 if (!(priv->status & STATUS_ENABLED))
1558 return 0;
1559
1560 /* Make sure we clear the associated state */
1561 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
1562
1563 if (!priv->stop_hang_check) {
1564 priv->stop_hang_check = 1;
1565 cancel_delayed_work(&priv->hang_check);
1566 }
1567
1568 down(&priv->adapter_sem);
1569
1570 err = ipw2100_hw_send_command(priv, &cmd);
1571 if (err) {
1572 IPW_DEBUG_WARNING("exit - failed to send CARD_DISABLE command\n");
1573 goto fail_up;
1574 }
1575
1576 err = ipw2100_wait_for_card_state(priv, IPW_HW_STATE_DISABLED);
1577 if (err) {
1578 IPW_DEBUG_WARNING("exit - card failed to change to DISABLED\n");
1579 goto fail_up;
1580 }
1581
1582 IPW_DEBUG_INFO("TODO: implement scan state machine\n");
1583
1584fail_up:
1585 up(&priv->adapter_sem);
1586 return err;
1587}
1588
1589int ipw2100_set_scan_options(struct ipw2100_priv *priv)
1590{
1591 struct host_command cmd = {
1592 .host_command = SET_SCAN_OPTIONS,
1593 .host_command_sequence = 0,
1594 .host_command_length = 8
1595 };
1596 int err;
1597
1598 IPW_DEBUG_INFO("enter\n");
1599
1600 IPW_DEBUG_SCAN("setting scan options\n");
1601
1602 cmd.host_command_parameters[0] = 0;
1603
1604 if (!(priv->config & CFG_ASSOCIATE))
1605 cmd.host_command_parameters[0] |= IPW_SCAN_NOASSOCIATE;
1606 if ((priv->sec.flags & SEC_ENABLED) && priv->sec.enabled)
1607 cmd.host_command_parameters[0] |= IPW_SCAN_MIXED_CELL;
1608 if (priv->config & CFG_PASSIVE_SCAN)
1609 cmd.host_command_parameters[0] |= IPW_SCAN_PASSIVE;
1610
1611 cmd.host_command_parameters[1] = priv->channel_mask;
1612
1613 err = ipw2100_hw_send_command(priv, &cmd);
1614
1615 IPW_DEBUG_HC("SET_SCAN_OPTIONS 0x%04X\n",
1616 cmd.host_command_parameters[0]);
1617
1618 return err;
1619}
1620
1621int ipw2100_start_scan(struct ipw2100_priv *priv)
1622{
1623 struct host_command cmd = {
1624 .host_command = BROADCAST_SCAN,
1625 .host_command_sequence = 0,
1626 .host_command_length = 4
1627 };
1628 int err;
1629
1630 IPW_DEBUG_HC("START_SCAN\n");
1631
1632 cmd.host_command_parameters[0] = 0;
1633
1634 /* No scanning if in monitor mode */
1635 if (priv->ieee->iw_mode == IW_MODE_MONITOR)
1636 return 1;
1637
1638 if (priv->status & STATUS_SCANNING) {
1639 IPW_DEBUG_SCAN("Scan requested while already in scan...\n");
1640 return 0;
1641 }
1642
1643 IPW_DEBUG_INFO("enter\n");
1644
1645 /* Not clearing here; doing so makes iwlist always return nothing...
1646 *
1647 * We should modify the table logic to use aging tables vs. clearing
1648 * the table on each scan start.
1649 */
1650 IPW_DEBUG_SCAN("starting scan\n");
1651
1652 priv->status |= STATUS_SCANNING;
1653 err = ipw2100_hw_send_command(priv, &cmd);
1654 if (err)
1655 priv->status &= ~STATUS_SCANNING;
1656
1657 IPW_DEBUG_INFO("exit\n");
1658
1659 return err;
1660}
1661
1662static int ipw2100_up(struct ipw2100_priv *priv, int deferred)
1663{
1664 unsigned long flags;
1665 int rc = 0;
1666 u32 lock;
1667 u32 ord_len = sizeof(lock);
1668
1669 /* Quite if manually disabled. */
1670 if (priv->status & STATUS_RF_KILL_SW) {
1671 IPW_DEBUG_INFO("%s: Radio is disabled by Manual Disable "
1672 "switch\n", priv->net_dev->name);
1673 return 0;
1674 }
1675
1676 /* If the interrupt is enabled, turn it off... */
1677 spin_lock_irqsave(&priv->low_lock, flags);
1678 ipw2100_disable_interrupts(priv);
1679
1680 /* Reset any fatal_error conditions */
1681 ipw2100_reset_fatalerror(priv);
1682 spin_unlock_irqrestore(&priv->low_lock, flags);
1683
1684 if (priv->status & STATUS_POWERED ||
1685 (priv->status & STATUS_RESET_PENDING)) {
1686 /* Power cycle the card ... */
1687 if (ipw2100_power_cycle_adapter(priv)) {
1688 IPW_DEBUG_WARNING("%s: Could not cycle adapter.\n",
1689 priv->net_dev->name);
1690 rc = 1;
1691 goto exit;
1692 }
1693 } else
1694 priv->status |= STATUS_POWERED;
1695
8724a118 1696 /* Load the firmware, start the clocks, etc. */
2c86c275
JK		 1697 if (ipw2100_start_adapter(priv)) {
1698 IPW_DEBUG_ERROR("%s: Failed to start the firmware.\n",
1699 priv->net_dev->name);
1700 rc = 1;
1701 goto exit;
1702 }
1703
1704 ipw2100_initialize_ordinals(priv);
1705
1706 /* Determine capabilities of this particular HW configuration */
1707 if (ipw2100_get_hw_features(priv)) {
1708 IPW_DEBUG_ERROR("%s: Failed to determine HW features.\n",
1709 priv->net_dev->name);
1710 rc = 1;
1711 goto exit;
1712 }
1713
1714 lock = LOCK_NONE;
1715 if (ipw2100_set_ordinal(priv, IPW_ORD_PERS_DB_LOCK, &lock, &ord_len)) {
1716 IPW_DEBUG_ERROR("%s: Failed to clear ordinal lock.\n",
1717 priv->net_dev->name);
1718 rc = 1;
1719 goto exit;
1720 }
1721
1722 priv->status &= ~STATUS_SCANNING;
1723
1724 if (rf_kill_active(priv)) {
1725 printk(KERN_INFO "%s: Radio is disabled by RF switch.\n",
1726 priv->net_dev->name);
1727
1728 if (priv->stop_rf_kill) {
1729 priv->stop_rf_kill = 0;
1730 queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ);
1731 }
1732
1733 deferred = 1;
1734 }
1735
1736 /* Turn on the interrupt so that commands can be processed */
1737 ipw2100_enable_interrupts(priv);
1738
1739 /* Send all of the commands that must be sent prior to
1740 * HOST_COMPLETE */
1741 if (ipw2100_adapter_setup(priv)) {
1742 IPW_DEBUG_ERROR("%s: Failed to start the card.\n",
1743 priv->net_dev->name);
1744 rc = 1;
1745 goto exit;
1746 }
1747
1748 if (!deferred) {
1749 /* Enable the adapter - sends HOST_COMPLETE */
1750 if (ipw2100_enable_adapter(priv)) {
1751 IPW_DEBUG_ERROR(
1752 "%s: failed in call to enable adapter.\n",
1753 priv->net_dev->name);
1754 ipw2100_hw_stop_adapter(priv);
1755 rc = 1;
1756 goto exit;
1757 }
1758
1759
1760 /* Start a scan . . . */
1761 ipw2100_set_scan_options(priv);
1762 ipw2100_start_scan(priv);
1763 }
1764
1765 exit:
1766 return rc;
1767}
1768
1769/* Called by register_netdev() */
1770static int ipw2100_net_init(struct net_device *dev)
1771{
1772 struct ipw2100_priv *priv = ieee80211_priv(dev);
1773 return ipw2100_up(priv, 1);
1774}
1775
1776static void ipw2100_down(struct ipw2100_priv *priv)
1777{
1778 unsigned long flags;
1779 union iwreq_data wrqu = {
1780 .ap_addr = {
1781 .sa_family = ARPHRD_ETHER
1782 }
1783 };
1784 int associated = priv->status & STATUS_ASSOCIATED;
1785
1786 /* Kill the RF switch timer */
1787 if (!priv->stop_rf_kill) {
1788 priv->stop_rf_kill = 1;
1789 cancel_delayed_work(&priv->rf_kill);
1790 }
1791
1792 /* Kill the firmare hang check timer */
1793 if (!priv->stop_hang_check) {
1794 priv->stop_hang_check = 1;
1795 cancel_delayed_work(&priv->hang_check);
1796 }
1797
1798 /* Kill any pending resets */
1799 if (priv->status & STATUS_RESET_PENDING)
1800 cancel_delayed_work(&priv->reset_work);
1801
1802 /* Make sure the interrupt is on so that FW commands will be
1803 * processed correctly */
1804 spin_lock_irqsave(&priv->low_lock, flags);
1805 ipw2100_enable_interrupts(priv);
1806 spin_unlock_irqrestore(&priv->low_lock, flags);
1807
1808 if (ipw2100_hw_stop_adapter(priv))
1809 IPW_DEBUG_ERROR("%s: Error stopping adapter.\n",
1810 priv->net_dev->name);
1811
1812 /* Do not disable the interrupt until _after_ we disable
1813 * the adaptor. Otherwise the CARD_DISABLE command will never
1814 * be ack'd by the firmware */
1815 spin_lock_irqsave(&priv->low_lock, flags);
1816 ipw2100_disable_interrupts(priv);
1817 spin_unlock_irqrestore(&priv->low_lock, flags);
1818
1819#ifdef ACPI_CSTATE_LIMIT_DEFINED
1820 if (priv->config & CFG_C3_DISABLED) {
1821 IPW_DEBUG_INFO(DRV_NAME ": Resetting C3 transitions.\n");
1822 acpi_set_cstate_limit(priv->cstate_limit);
1823 priv->config &= ~CFG_C3_DISABLED;
1824 }
1825#endif
1826
1827 /* We have to signal any supplicant if we are disassociating */
1828 if (associated)
1829 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
1830
1831 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
1832 netif_carrier_off(priv->net_dev);
1833 netif_stop_queue(priv->net_dev);
1834}
1835
1836void ipw2100_reset_adapter(struct ipw2100_priv *priv)
1837{
1838 unsigned long flags;
1839 union iwreq_data wrqu = {
1840 .ap_addr = {
1841 .sa_family = ARPHRD_ETHER
1842 }
1843 };
1844 int associated = priv->status & STATUS_ASSOCIATED;
1845
1846 spin_lock_irqsave(&priv->low_lock, flags);
1847 IPW_DEBUG_INFO(DRV_NAME ": %s: Restarting adapter.\n",
1848 priv->net_dev->name);
1849 priv->resets++;
1850 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
1851 priv->status |= STATUS_SECURITY_UPDATED;
1852
1853 /* Force a power cycle even if interface hasn't been opened
1854 * yet */
1855 cancel_delayed_work(&priv->reset_work);
1856 priv->status |= STATUS_RESET_PENDING;
1857 spin_unlock_irqrestore(&priv->low_lock, flags);
1858
1859 down(&priv->action_sem);
1860 /* stop timed checks so that they don't interfere with reset */
1861 priv->stop_hang_check = 1;
1862 cancel_delayed_work(&priv->hang_check);
1863
1864 /* We have to signal any supplicant if we are disassociating */
1865 if (associated)
1866 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
1867
1868 ipw2100_up(priv, 0);
1869 up(&priv->action_sem);
1870
1871}
1872
1873
1874static void isr_indicate_associated(struct ipw2100_priv *priv, u32 status)
1875{
1876
1877#define MAC_ASSOCIATION_READ_DELAY (HZ)
1878 int ret, len, essid_len;
1879 char essid[IW_ESSID_MAX_SIZE];
1880 u32 txrate;
1881 u32 chan;
1882 char *txratename;
1883 u8 bssid[ETH_ALEN];
1884
1885 /*
1886 * TBD: BSSID is usually 00:00:00:00:00:00 here and not
1887 * an actual MAC of the AP. Seems like FW sets this
1888 * address too late. Read it later and expose through
1889 * /proc or schedule a later task to query and update
1890 */
1891
1892 essid_len = IW_ESSID_MAX_SIZE;
1893 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_SSID,
1894 essid, &essid_len);
1895 if (ret) {
1896 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
1897 __LINE__);
1898 return;
1899 }
1900
1901 len = sizeof(u32);
1902 ret = ipw2100_get_ordinal(priv, IPW_ORD_CURRENT_TX_RATE,
1903 &txrate, &len);
1904 if (ret) {
1905 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
1906 __LINE__);
1907 return;
1908 }
1909
1910 len = sizeof(u32);
1911 ret = ipw2100_get_ordinal(priv, IPW_ORD_OUR_FREQ, &chan, &len);
1912 if (ret) {
1913 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
1914 __LINE__);
1915 return;
1916 }
1917 len = ETH_ALEN;
1918 ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID, &bssid, &len);
1919 if (ret) {
1920 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
1921 __LINE__);
1922 return;
1923 }
1924 memcpy(priv->ieee->bssid, bssid, ETH_ALEN);
1925
1926
1927 switch (txrate) {
1928 case TX_RATE_1_MBIT:
1929 txratename = "1Mbps";
1930 break;
1931 case TX_RATE_2_MBIT:
1932 txratename = "2Mbsp";
1933 break;
1934 case TX_RATE_5_5_MBIT:
1935 txratename = "5.5Mbps";
1936 break;
1937 case TX_RATE_11_MBIT:
1938 txratename = "11Mbps";
1939 break;
1940 default:
1941 IPW_DEBUG_INFO("Unknown rate: %d\n", txrate);
1942 txratename = "unknown rate";
1943 break;
1944 }
1945
1946 IPW_DEBUG_INFO("%s: Associated with '%s' at %s, channel %d (BSSID="
1947 MAC_FMT ")\n",
1948 priv->net_dev->name, escape_essid(essid, essid_len),
1949 txratename, chan, MAC_ARG(bssid));
1950
1951 /* now we copy read ssid into dev */
1952 if (!(priv->config & CFG_STATIC_ESSID)) {
1953 priv->essid_len = min((u8)essid_len, (u8)IW_ESSID_MAX_SIZE);
1954 memcpy(priv->essid, essid, priv->essid_len);
1955 }
1956 priv->channel = chan;
1957 memcpy(priv->bssid, bssid, ETH_ALEN);
1958
1959 priv->status |= STATUS_ASSOCIATING;
1960 priv->connect_start = get_seconds();
1961
1962 queue_delayed_work(priv->workqueue, &priv->wx_event_work, HZ / 10);
1963}
1964
1965
1966int ipw2100_set_essid(struct ipw2100_priv *priv, char *essid,
1967 int length, int batch_mode)
1968{
1969 int ssid_len = min(length, IW_ESSID_MAX_SIZE);
1970 struct host_command cmd = {
1971 .host_command = SSID,
1972 .host_command_sequence = 0,
1973 .host_command_length = ssid_len
1974 };
1975 int err;
1976
1977 IPW_DEBUG_HC("SSID: '%s'\n", escape_essid(essid, ssid_len));
1978
1979 if (ssid_len)
1980 memcpy((char*)cmd.host_command_parameters,
1981 essid, ssid_len);
1982
1983 if (!batch_mode) {
1984 err = ipw2100_disable_adapter(priv);
1985 if (err)
1986 return err;
1987 }
1988
1989 /* Bug in FW currently doesn't honor bit 0 in SET_SCAN_OPTIONS to
1990 * disable auto association -- so we cheat by setting a bogus SSID */
1991 if (!ssid_len && !(priv->config & CFG_ASSOCIATE)) {
1992 int i;
1993 u8 *bogus = (u8*)cmd.host_command_parameters;
1994 for (i = 0; i < IW_ESSID_MAX_SIZE; i++)
1995 bogus[i] = 0x18 + i;
1996 cmd.host_command_length = IW_ESSID_MAX_SIZE;
1997 }
1998
1999 /* NOTE: We always send the SSID command even if the provided ESSID is
2000 * the same as what we currently think is set. */
2001
2002 err = ipw2100_hw_send_command(priv, &cmd);
2003 if (!err) {
2004 memset(priv->essid + ssid_len, 0,
2005 IW_ESSID_MAX_SIZE - ssid_len);
2006 memcpy(priv->essid, essid, ssid_len);
2007 priv->essid_len = ssid_len;
2008 }
2009
2010 if (!batch_mode) {
2011 if (ipw2100_enable_adapter(priv))
2012 err = -EIO;
2013 }
2014
2015 return err;
2016}
2017
2018static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status)
2019{
2020 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | IPW_DL_ASSOC,
2021 "disassociated: '%s' " MAC_FMT " \n",
2022 escape_essid(priv->essid, priv->essid_len),
2023 MAC_ARG(priv->bssid));
2024
2025 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
2026
2027 if (priv->status & STATUS_STOPPING) {
2028 IPW_DEBUG_INFO("Card is stopping itself, discard ASSN_LOST.\n");
2029 return;
2030 }
2031
2032 memset(priv->bssid, 0, ETH_ALEN);
2033 memset(priv->ieee->bssid, 0, ETH_ALEN);
2034
2035 netif_carrier_off(priv->net_dev);
2036 netif_stop_queue(priv->net_dev);
2037
2038 if (!(priv->status & STATUS_RUNNING))
2039 return;
2040
2041 if (priv->status & STATUS_SECURITY_UPDATED)
2042 queue_work(priv->workqueue, &priv->security_work);
2043
2044 queue_work(priv->workqueue, &priv->wx_event_work);
2045}
2046
2047static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
2048{
2049 IPW_DEBUG_INFO("%s: RF Kill state changed to radio OFF.\n",
2050 priv->net_dev->name);
2051
2052 /* RF_KILL is now enabled (else we wouldn't be here) */
2053 priv->status |= STATUS_RF_KILL_HW;
2054
2055#ifdef ACPI_CSTATE_LIMIT_DEFINED
2056 if (priv->config & CFG_C3_DISABLED) {
2057 IPW_DEBUG_INFO(DRV_NAME ": Resetting C3 transitions.\n");
2058 acpi_set_cstate_limit(priv->cstate_limit);
2059 priv->config &= ~CFG_C3_DISABLED;
2060 }
2061#endif
2062
2063 /* Make sure the RF Kill check timer is running */
2064 priv->stop_rf_kill = 0;
2065 cancel_delayed_work(&priv->rf_kill);
2066 queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ);
2067}
2068
2069static void isr_scan_complete(struct ipw2100_priv *priv, u32 status)
2070{
2071 IPW_DEBUG_SCAN("scan complete\n");
2072 /* Age the scan results... */
2073 priv->ieee->scans++;
2074 priv->status &= ~STATUS_SCANNING;
2075}
2076
2077#ifdef CONFIG_IPW_DEBUG
2078#define IPW2100_HANDLER(v, f) { v, f, # v }
2079struct ipw2100_status_indicator {
2080 int status;
2081 void (*cb)(struct ipw2100_priv *priv, u32 status);
2082 char *name;
2083};
2084#else
2085#define IPW2100_HANDLER(v, f) { v, f }
2086struct ipw2100_status_indicator {
2087 int status;
2088 void (*cb)(struct ipw2100_priv *priv, u32 status);
2089};
2090#endif /* CONFIG_IPW_DEBUG */
2091
2092static void isr_indicate_scanning(struct ipw2100_priv *priv, u32 status)
2093{
2094 IPW_DEBUG_SCAN("Scanning...\n");
2095 priv->status |= STATUS_SCANNING;
2096}
2097
2098const struct ipw2100_status_indicator status_handlers[] = {
2099 IPW2100_HANDLER(IPW_STATE_INITIALIZED, 0),
2100 IPW2100_HANDLER(IPW_STATE_COUNTRY_FOUND, 0),
2101 IPW2100_HANDLER(IPW_STATE_ASSOCIATED, isr_indicate_associated),
2102 IPW2100_HANDLER(IPW_STATE_ASSN_LOST, isr_indicate_association_lost),
2103 IPW2100_HANDLER(IPW_STATE_ASSN_CHANGED, 0),
2104 IPW2100_HANDLER(IPW_STATE_SCAN_COMPLETE, isr_scan_complete),
2105 IPW2100_HANDLER(IPW_STATE_ENTERED_PSP, 0),
2106 IPW2100_HANDLER(IPW_STATE_LEFT_PSP, 0),
2107 IPW2100_HANDLER(IPW_STATE_RF_KILL, isr_indicate_rf_kill),
2108 IPW2100_HANDLER(IPW_STATE_DISABLED, 0),
2109 IPW2100_HANDLER(IPW_STATE_POWER_DOWN, 0),
2110 IPW2100_HANDLER(IPW_STATE_SCANNING, isr_indicate_scanning),
2111 IPW2100_HANDLER(-1, 0)
2112};
2113
2114
2115static void isr_status_change(struct ipw2100_priv *priv, int status)
2116{
2117 int i;
2118
2119 if (status == IPW_STATE_SCANNING &&
2120 priv->status & STATUS_ASSOCIATED &&
2121 !(priv->status & STATUS_SCANNING)) {
2122 IPW_DEBUG_INFO("Scan detected while associated, with "
2123 "no scan request. Restarting firmware.\n");
2124
2125 /* Wake up any sleeping jobs */
2126 schedule_reset(priv);
2127 }
2128
2129 for (i = 0; status_handlers[i].status != -1; i++) {
2130 if (status == status_handlers[i].status) {
2131 IPW_DEBUG_NOTIF("Status change: %s\n",
2132 status_handlers[i].name);
2133 if (status_handlers[i].cb)
2134 status_handlers[i].cb(priv, status);
2135 priv->wstats.status = status;
2136 return;
2137 }
2138 }
2139
2140 IPW_DEBUG_NOTIF("unknown status received: %04x\n", status);
2141}
2142
2143static void isr_rx_complete_command(
2144 struct ipw2100_priv *priv,
2145 struct ipw2100_cmd_header *cmd)
2146{
2147#ifdef CONFIG_IPW_DEBUG
2148 if (cmd->host_command_reg < ARRAY_SIZE(command_types)) {
2149 IPW_DEBUG_HC("Command completed '%s (%d)'\n",
2150 command_types[cmd->host_command_reg],
2151 cmd->host_command_reg);
2152 }
2153#endif
2154 if (cmd->host_command_reg == HOST_COMPLETE)
2155 priv->status |= STATUS_ENABLED;
2156
2157 if (cmd->host_command_reg == CARD_DISABLE)
2158 priv->status &= ~STATUS_ENABLED;
2159
2160 priv->status &= ~STATUS_CMD_ACTIVE;
2161
2162 wake_up_interruptible(&priv->wait_command_queue);
2163}
2164
2165#ifdef CONFIG_IPW_DEBUG
2166const char *frame_types[] = {
2167 "COMMAND_STATUS_VAL",
2168 "STATUS_CHANGE_VAL",
2169 "P80211_DATA_VAL",
2170 "P8023_DATA_VAL",
2171 "HOST_NOTIFICATION_VAL"
2172};
2173#endif
2174
2175
2176static inline int ipw2100_alloc_skb(
2177 struct ipw2100_priv *priv,
2178 struct ipw2100_rx_packet *packet)
2179{
2180 packet->skb = dev_alloc_skb(sizeof(struct ipw2100_rx));
2181 if (!packet->skb)
2182 return -ENOMEM;
2183
2184 packet->rxp = (struct ipw2100_rx *)packet->skb->data;
2185 packet->dma_addr = pci_map_single(priv->pci_dev, packet->skb->data,
2186 sizeof(struct ipw2100_rx),
2187 PCI_DMA_FROMDEVICE);
2188 /* NOTE: pci_map_single does not return an error code, and 0 is a valid
2189 * dma_addr */
2190
2191 return 0;
2192}
2193
2194
2195#define SEARCH_ERROR 0xffffffff
2196#define SEARCH_FAIL 0xfffffffe
2197#define SEARCH_SUCCESS 0xfffffff0
2198#define SEARCH_DISCARD 0
2199#define SEARCH_SNAPSHOT 1
2200
2201#define SNAPSHOT_ADDR(ofs) (priv->snapshot[((ofs) >> 12) & 0xff] + ((ofs) & 0xfff))
2202static inline int ipw2100_snapshot_alloc(struct ipw2100_priv *priv)
2203{
2204 int i;
2205 if (priv->snapshot[0])
2206 return 1;
2207 for (i = 0; i < 0x30; i++) {
2208 priv->snapshot[i] = (u8*)kmalloc(0x1000, GFP_ATOMIC);
2209 if (!priv->snapshot[i]) {
2210 IPW_DEBUG_INFO("%s: Error allocating snapshot "
2211 "buffer %d\n", priv->net_dev->name, i);
2212 while (i > 0)
2213 kfree(priv->snapshot[--i]);
2214 priv->snapshot[0] = NULL;
2215 return 0;
2216 }
2217 }
2218
2219 return 1;
2220}
2221
2222static inline void ipw2100_snapshot_free(struct ipw2100_priv *priv)
2223{
2224 int i;
2225 if (!priv->snapshot[0])
2226 return;
2227 for (i = 0; i < 0x30; i++)
2228 kfree(priv->snapshot[i]);
2229 priv->snapshot[0] = NULL;
2230}
2231
2232static inline u32 ipw2100_match_buf(struct ipw2100_priv *priv, u8 *in_buf,
2233 size_t len, int mode)
2234{
2235 u32 i, j;
2236 u32 tmp;
2237 u8 *s, *d;
2238 u32 ret;
2239
2240 s = in_buf;
2241 if (mode == SEARCH_SNAPSHOT) {
2242 if (!ipw2100_snapshot_alloc(priv))
2243 mode = SEARCH_DISCARD;
2244 }
2245
2246 for (ret = SEARCH_FAIL, i = 0; i < 0x30000; i += 4) {
2247 read_nic_dword(priv->net_dev, i, &tmp);
2248 if (mode == SEARCH_SNAPSHOT)
2249 *(u32 *)SNAPSHOT_ADDR(i) = tmp;
2250 if (ret == SEARCH_FAIL) {
2251 d = (u8*)&tmp;
2252 for (j = 0; j < 4; j++) {
2253 if (*s != *d) {
2254 s = in_buf;
2255 continue;
2256 }
2257
2258 s++;
2259 d++;
2260
2261 if ((s - in_buf) == len)
2262 ret = (i + j) - len + 1;
2263 }
2264 } else if (mode == SEARCH_DISCARD)
2265 return ret;
2266 }
2267
2268 return ret;
2269}
2270
2271/*
2272 *
2273 * 0) Disconnect the SKB from the firmware (just unmap)
2274 * 1) Pack the ETH header into the SKB
2275 * 2) Pass the SKB to the network stack
2276 *
2277 * When packet is provided by the firmware, it contains the following:
2278 *
2279 * . ieee80211_hdr
2280 * . ieee80211_snap_hdr
2281 *
2282 * The size of the constructed ethernet
2283 *
2284 */
2285#ifdef CONFIG_IPW2100_RX_DEBUG
2286u8 packet_data[IPW_RX_NIC_BUFFER_LENGTH];
2287#endif
2288
2289static inline void ipw2100_corruption_detected(struct ipw2100_priv *priv,
2290 int i)
2291{
2292#ifdef CONFIG_IPW_DEBUG_C3
2293 struct ipw2100_status *status = &priv->status_queue.drv[i];
2294 u32 match, reg;
2295 int j;
2296#endif
2297#ifdef ACPI_CSTATE_LIMIT_DEFINED
2298 int limit;
2299#endif
2300
2301 IPW_DEBUG_INFO(DRV_NAME ": PCI latency error detected at "
aaa4d308 2302 "0x%04zX.\n", i * sizeof(struct ipw2100_status));
2c86c275
JK		 2303
2304#ifdef ACPI_CSTATE_LIMIT_DEFINED
2305 IPW_DEBUG_INFO(DRV_NAME ": Disabling C3 transitions.\n");
2306 limit = acpi_get_cstate_limit();
2307 if (limit > 2) {
2308 priv->cstate_limit = limit;
2309 acpi_set_cstate_limit(2);
2310 priv->config |= CFG_C3_DISABLED;
2311 }
2312#endif
2313
2314#ifdef CONFIG_IPW_DEBUG_C3
2315 /* Halt the fimrware so we can get a good image */
2316 write_register(priv->net_dev, IPW_REG_RESET_REG,
2317 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
2318 j = 5;
2319 do {
2320 udelay(IPW_WAIT_RESET_MASTER_ASSERT_COMPLETE_DELAY);
2321 read_register(priv->net_dev, IPW_REG_RESET_REG, &reg);
2322
2323 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED)
2324 break;
2325 } while (j--);
2326
2327 match = ipw2100_match_buf(priv, (u8*)status,
2328 sizeof(struct ipw2100_status),
2329 SEARCH_SNAPSHOT);
2330 if (match < SEARCH_SUCCESS)
2331 IPW_DEBUG_INFO("%s: DMA status match in Firmware at "
2332 "offset 0x%06X, length %d:\n",
2333 priv->net_dev->name, match,
2334 sizeof(struct ipw2100_status));
2335 else
2336 IPW_DEBUG_INFO("%s: No DMA status match in "
2337 "Firmware.\n", priv->net_dev->name);
2338
2339 printk_buf((u8*)priv->status_queue.drv,
2340 sizeof(struct ipw2100_status) * RX_QUEUE_LENGTH);
2341#endif
2342
2343 priv->fatal_error = IPW2100_ERR_C3_CORRUPTION;
2344 priv->ieee->stats.rx_errors++;
2345 schedule_reset(priv);
2346}
2347
2348static inline void isr_rx(struct ipw2100_priv *priv, int i,
2349 struct ieee80211_rx_stats *stats)
2350{
2351 struct ipw2100_status *status = &priv->status_queue.drv[i];
2352 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i];
2353
2354 IPW_DEBUG_RX("Handler...\n");
2355
2356 if (unlikely(status->frame_size > skb_tailroom(packet->skb))) {
2357 IPW_DEBUG_INFO("%s: frame_size (%u) > skb_tailroom (%u)!"
2358 " Dropping.\n",
2359 priv->net_dev->name,
2360 status->frame_size, skb_tailroom(packet->skb));
2361 priv->ieee->stats.rx_errors++;
2362 return;
2363 }
2364
2365 if (unlikely(!netif_running(priv->net_dev))) {
2366 priv->ieee->stats.rx_errors++;
2367 priv->wstats.discard.misc++;
2368 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n");
2369 return;
2370 }
2371
2372 if (unlikely(priv->ieee->iw_mode == IW_MODE_MONITOR &&
2373 status->flags & IPW_STATUS_FLAG_CRC_ERROR)) {
2374 IPW_DEBUG_RX("CRC error in packet. Dropping.\n");
2375 priv->ieee->stats.rx_errors++;
2376 return;
2377 }
2378
2379 if (unlikely(priv->ieee->iw_mode != IW_MODE_MONITOR &&
2380 !(priv->status & STATUS_ASSOCIATED))) {
2381 IPW_DEBUG_DROP("Dropping packet while not associated.\n");
2382 priv->wstats.discard.misc++;
2383 return;
2384 }
2385
2386
2387 pci_unmap_single(priv->pci_dev,
2388 packet->dma_addr,
2389 sizeof(struct ipw2100_rx),
2390 PCI_DMA_FROMDEVICE);
2391
2392 skb_put(packet->skb, status->frame_size);
2393
2394#ifdef CONFIG_IPW2100_RX_DEBUG
2395 /* Make a copy of the frame so we can dump it to the logs if
2396 * ieee80211_rx fails */
2397 memcpy(packet_data, packet->skb->data,
aaa4d308 2398 min_t(u32, status->frame_size, IPW_RX_NIC_BUFFER_LENGTH));
2c86c275
JK		 2399#endif
2400
2401 if (!ieee80211_rx(priv->ieee, packet->skb, stats)) {
2402#ifdef CONFIG_IPW2100_RX_DEBUG
2403 IPW_DEBUG_DROP("%s: Non consumed packet:\n",
2404 priv->net_dev->name);
2405 printk_buf(IPW_DL_DROP, packet_data, status->frame_size);
2406#endif
2407 priv->ieee->stats.rx_errors++;
2408
2409 /* ieee80211_rx failed, so it didn't free the SKB */
2410 dev_kfree_skb_any(packet->skb);
2411 packet->skb = NULL;
2412 }
2413
2414 /* We need to allocate a new SKB and attach it to the RDB. */
2415 if (unlikely(ipw2100_alloc_skb(priv, packet))) {
2416 IPW_DEBUG_WARNING(
2417 "%s: Unable to allocate SKB onto RBD ring - disabling "
2418 "adapter.\n", priv->net_dev->name);
2419 /* TODO: schedule adapter shutdown */
2420 IPW_DEBUG_INFO("TODO: Shutdown adapter...\n");
2421 }
2422
2423 /* Update the RDB entry */
2424 priv->rx_queue.drv[i].host_addr = packet->dma_addr;
2425}
2426
2427static inline int ipw2100_corruption_check(struct ipw2100_priv *priv, int i)
2428{
2429 struct ipw2100_status *status = &priv->status_queue.drv[i];
2430 struct ipw2100_rx *u = priv->rx_buffers[i].rxp;
2431 u16 frame_type = status->status_fields & STATUS_TYPE_MASK;
2432
2433 switch (frame_type) {
2434 case COMMAND_STATUS_VAL:
2435 return (status->frame_size != sizeof(u->rx_data.command));
2436 case STATUS_CHANGE_VAL:
2437 return (status->frame_size != sizeof(u->rx_data.status));
2438 case HOST_NOTIFICATION_VAL:
2439 return (status->frame_size < sizeof(u->rx_data.notification));
2440 case P80211_DATA_VAL:
2441 case P8023_DATA_VAL:
2442#ifdef CONFIG_IPW2100_MONITOR
2443 return 0;
2444#else
2445 switch (WLAN_FC_GET_TYPE(u->rx_data.header.frame_ctl)) {
2446 case IEEE80211_FTYPE_MGMT:
2447 case IEEE80211_FTYPE_CTL:
2448 return 0;
2449 case IEEE80211_FTYPE_DATA:
2450 return (status->frame_size >
2451 IPW_MAX_802_11_PAYLOAD_LENGTH);
2452 }
2453#endif
2454 }
2455
2456 return 1;
2457}
2458
2459/*
2460 * ipw2100 interrupts are disabled at this point, and the ISR
2461 * is the only code that calls this method. So, we do not need
2462 * to play with any locks.
2463 *
2464 * RX Queue works as follows:
2465 *
2466 * Read index - firmware places packet in entry identified by the
2467 * Read index and advances Read index. In this manner,
2468 * Read index will always point to the next packet to
2469 * be filled--but not yet valid.
2470 *
2471 * Write index - driver fills this entry with an unused RBD entry.
2472 * This entry has not filled by the firmware yet.
2473 *
2474 * In between the W and R indexes are the RBDs that have been received
2475 * but not yet processed.
2476 *
2477 * The process of handling packets will start at WRITE + 1 and advance
2478 * until it reaches the READ index.
2479 *
2480 * The WRITE index is cached in the variable 'priv->rx_queue.next'.
2481 *
2482 */
2483static inline void __ipw2100_rx_process(struct ipw2100_priv *priv)
2484{
2485 struct ipw2100_bd_queue *rxq = &priv->rx_queue;
2486 struct ipw2100_status_queue *sq = &priv->status_queue;
2487 struct ipw2100_rx_packet *packet;
2488 u16 frame_type;
2489 u32 r, w, i, s;
2490 struct ipw2100_rx *u;
2491 struct ieee80211_rx_stats stats = {
2492 .mac_time = jiffies,
2493 };
2494
2495 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_READ_INDEX, &r);
2496 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_WRITE_INDEX, &w);
2497
2498 if (r >= rxq->entries) {
2499 IPW_DEBUG_RX("exit - bad read index\n");
2500 return;
2501 }
2502
2503 i = (rxq->next + 1) % rxq->entries;
2504 s = i;
2505 while (i != r) {
2506 /* IPW_DEBUG_RX("r = %d : w = %d : processing = %d\n",
2507 r, rxq->next, i); */
2508
2509 packet = &priv->rx_buffers[i];
2510
2511 /* Sync the DMA for the STATUS buffer so CPU is sure to get
2512 * the correct values */
2513 pci_dma_sync_single_for_cpu(
2514 priv->pci_dev,
2515 sq->nic + sizeof(struct ipw2100_status) * i,
2516 sizeof(struct ipw2100_status),
2517 PCI_DMA_FROMDEVICE);
2518
2519 /* Sync the DMA for the RX buffer so CPU is sure to get
2520 * the correct values */
2521 pci_dma_sync_single_for_cpu(priv->pci_dev, packet->dma_addr,
2522 sizeof(struct ipw2100_rx),
2523 PCI_DMA_FROMDEVICE);
2524
2525 if (unlikely(ipw2100_corruption_check(priv, i))) {
2526 ipw2100_corruption_detected(priv, i);
2527 goto increment;
2528 }
2529
2530 u = packet->rxp;
2531 frame_type = sq->drv[i].status_fields &
2532 STATUS_TYPE_MASK;
2533 stats.rssi = sq->drv[i].rssi + IPW2100_RSSI_TO_DBM;
2534 stats.len = sq->drv[i].frame_size;
2535
2536 stats.mask = 0;
2537 if (stats.rssi != 0)
2538 stats.mask |= IEEE80211_STATMASK_RSSI;
2539 stats.freq = IEEE80211_24GHZ_BAND;
2540
2541 IPW_DEBUG_RX(
2542 "%s: '%s' frame type received (%d).\n",
2543 priv->net_dev->name, frame_types[frame_type],
2544 stats.len);
2545
2546 switch (frame_type) {
2547 case COMMAND_STATUS_VAL:
2548 /* Reset Rx watchdog */
2549 isr_rx_complete_command(
2550 priv, &u->rx_data.command);
2551 break;
2552
2553 case STATUS_CHANGE_VAL:
2554 isr_status_change(priv, u->rx_data.status);
2555 break;
2556
2557 case P80211_DATA_VAL:
2558 case P8023_DATA_VAL:
2559#ifdef CONFIG_IPW2100_MONITOR
2560 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
2561 isr_rx(priv, i, &stats);
2562 break;
2563 }
2564#endif
2565 if (stats.len < sizeof(u->rx_data.header))
2566 break;
2567 switch (WLAN_FC_GET_TYPE(u->rx_data.header.
2568 frame_ctl)) {
2569 case IEEE80211_FTYPE_MGMT:
2570 ieee80211_rx_mgt(priv->ieee,
2571 &u->rx_data.header,
2572 &stats);
2573 break;
2574
2575 case IEEE80211_FTYPE_CTL:
2576 break;
2577
2578 case IEEE80211_FTYPE_DATA:
2579 isr_rx(priv, i, &stats);
2580 break;
2581
2582 }
2583 break;
2584 }
2585
2586 increment:
2587 /* clear status field associated with this RBD */
2588 rxq->drv[i].status.info.field = 0;
2589
2590 i = (i + 1) % rxq->entries;
2591 }
2592
2593 if (i != s) {
2594 /* backtrack one entry, wrapping to end if at 0 */
2595 rxq->next = (i ? i : rxq->entries) - 1;
2596
2597 write_register(priv->net_dev,
2598 IPW_MEM_HOST_SHARED_RX_WRITE_INDEX,
2599 rxq->next);
2600 }
2601}
2602
2603
2604/*
2605 * __ipw2100_tx_process
2606 *
2607 * This routine will determine whether the next packet on
2608 * the fw_pend_list has been processed by the firmware yet.
2609 *
2610 * If not, then it does nothing and returns.
2611 *
2612 * If so, then it removes the item from the fw_pend_list, frees
2613 * any associated storage, and places the item back on the
2614 * free list of its source (either msg_free_list or tx_free_list)
2615 *
2616 * TX Queue works as follows:
2617 *
2618 * Read index - points to the next TBD that the firmware will
2619 * process. The firmware will read the data, and once
2620 * done processing, it will advance the Read index.
2621 *
2622 * Write index - driver fills this entry with an constructed TBD
2623 * entry. The Write index is not advanced until the
2624 * packet has been configured.
2625 *
2626 * In between the W and R indexes are the TBDs that have NOT been
2627 * processed. Lagging behind the R index are packets that have
2628 * been processed but have not been freed by the driver.
2629 *
2630 * In order to free old storage, an internal index will be maintained
2631 * that points to the next packet to be freed. When all used
2632 * packets have been freed, the oldest index will be the same as the
2633 * firmware's read index.
2634 *
2635 * The OLDEST index is cached in the variable 'priv->tx_queue.oldest'
2636 *
2637 * Because the TBD structure can not contain arbitrary data, the
2638 * driver must keep an internal queue of cached allocations such that
2639 * it can put that data back into the tx_free_list and msg_free_list
2640 * for use by future command and data packets.
2641 *
2642 */
2643static inline int __ipw2100_tx_process(struct ipw2100_priv *priv)
2644{
2645 struct ipw2100_bd_queue *txq = &priv->tx_queue;
2646 struct ipw2100_bd *tbd;
2647 struct list_head *element;
2648 struct ipw2100_tx_packet *packet;
2649 int descriptors_used;
2650 int e, i;
2651 u32 r, w, frag_num = 0;
2652
2653 if (list_empty(&priv->fw_pend_list))
2654 return 0;
2655
2656 element = priv->fw_pend_list.next;
2657
2658 packet = list_entry(element, struct ipw2100_tx_packet, list);
2659 tbd = &txq->drv[packet->index];
2660
2661 /* Determine how many TBD entries must be finished... */
2662 switch (packet->type) {
2663 case COMMAND:
2664 /* COMMAND uses only one slot; don't advance */
2665 descriptors_used = 1;
2666 e = txq->oldest;
2667 break;
2668
2669 case DATA:
2670 /* DATA uses two slots; advance and loop position. */
2671 descriptors_used = tbd->num_fragments;
2672 frag_num = tbd->num_fragments - 1;
2673 e = txq->oldest + frag_num;
2674 e %= txq->entries;
2675 break;
2676
2677 default:
2678 IPW_DEBUG_WARNING("%s: Bad fw_pend_list entry!\n",
2679 priv->net_dev->name);
2680 return 0;
2681 }
2682
2683 /* if the last TBD is not done by NIC yet, then packet is
2684 * not ready to be released.
2685 *
2686 */
2687 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_TX_QUEUE_READ_INDEX,
2688 &r);
2689 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX,
2690 &w);
2691 if (w != txq->next)
2692 IPW_DEBUG_WARNING("%s: write index mismatch\n",
2693 priv->net_dev->name);
2694
2695 /*
2696 * txq->next is the index of the last packet written txq->oldest is
2697 * the index of the r is the index of the next packet to be read by
2698 * firmware
2699 */
2700
2701
2702 /*
2703 * Quick graphic to help you visualize the following
2704 * if / else statement
2705 *
2706 * ===>| s---->|===============
2707 * e>|
2708 * | a | b | c | d | e | f | g | h | i | j | k | l
2709 * r---->|
2710 * w
2711 *
2712 * w - updated by driver
2713 * r - updated by firmware
2714 * s - start of oldest BD entry (txq->oldest)
2715 * e - end of oldest BD entry
2716 *
2717 */
2718 if (!((r <= w && (e < r || e >= w)) || (e < r && e >= w))) {
2719 IPW_DEBUG_TX("exit - no processed packets ready to release.\n");
2720 return 0;
2721 }
2722
2723 list_del(element);
2724 DEC_STAT(&priv->fw_pend_stat);
2725
2726#ifdef CONFIG_IPW_DEBUG
2727 {
2728 int i = txq->oldest;
2729 IPW_DEBUG_TX(
aaa4d308 2730 "TX%d V=%p P=%04X T=%04X L=%d\n", i,
2c86c275 2731 &txq->drv[i],
aaa4d308
JB		 2732 (u32)(txq->nic + i * sizeof(struct ipw2100_bd)),
2733 txq->drv[i].host_addr,
2c86c275
JK		 2734 txq->drv[i].buf_length);
2735
2736 if (packet->type == DATA) {
2737 i = (i + 1) % txq->entries;
2738
2739 IPW_DEBUG_TX(
aaa4d308 2740 "TX%d V=%p P=%04X T=%04X L=%d\n", i,
2c86c275 2741 &txq->drv[i],
aaa4d308
JB		 2742 (u32)(txq->nic + i *
2743 sizeof(struct ipw2100_bd)),
2744 (u32)txq->drv[i].host_addr,
2c86c275
JK		 2745 txq->drv[i].buf_length);
2746 }
2747 }
2748#endif
2749
2750 switch (packet->type) {
2751 case DATA:
2752 if (txq->drv[txq->oldest].status.info.fields.txType != 0)
2753 IPW_DEBUG_WARNING("%s: Queue mismatch. "
2754 "Expecting DATA TBD but pulled "
2755 "something else: ids %d=%d.\n",
2756 priv->net_dev->name, txq->oldest, packet->index);
2757
2758 /* DATA packet; we have to unmap and free the SKB */
2759 priv->ieee->stats.tx_packets++;
2760 for (i = 0; i < frag_num; i++) {
2761 tbd = &txq->drv[(packet->index + 1 + i) %
2762 txq->entries];
2763
2764 IPW_DEBUG_TX(
2765 "TX%d P=%08x L=%d\n",
2766 (packet->index + 1 + i) % txq->entries,
2767 tbd->host_addr, tbd->buf_length);
2768
2769 pci_unmap_single(priv->pci_dev,
2770 tbd->host_addr,
2771 tbd->buf_length,
2772 PCI_DMA_TODEVICE);
2773 }
2774
2775 priv->ieee->stats.tx_bytes += packet->info.d_struct.txb->payload_size;
2776 ieee80211_txb_free(packet->info.d_struct.txb);
2777 packet->info.d_struct.txb = NULL;
2778
2779 list_add_tail(element, &priv->tx_free_list);
2780 INC_STAT(&priv->tx_free_stat);
2781
2782 /* We have a free slot in the Tx queue, so wake up the
2783 * transmit layer if it is stopped. */
2784 if (priv->status & STATUS_ASSOCIATED &&
2785 netif_queue_stopped(priv->net_dev)) {
2786 IPW_DEBUG_INFO(KERN_INFO
2787 "%s: Waking net queue.\n",
2788 priv->net_dev->name);
2789 netif_wake_queue(priv->net_dev);
2790 }
2791
2792 /* A packet was processed by the hardware, so update the
2793 * watchdog */
2794 priv->net_dev->trans_start = jiffies;
2795
2796 break;
2797
2798 case COMMAND:
2799 if (txq->drv[txq->oldest].status.info.fields.txType != 1)
2800 IPW_DEBUG_WARNING("%s: Queue mismatch. "
2801 "Expecting COMMAND TBD but pulled "
2802 "something else: ids %d=%d.\n",
2803 priv->net_dev->name, txq->oldest, packet->index);
2804
2805#ifdef CONFIG_IPW_DEBUG
2806 if (packet->info.c_struct.cmd->host_command_reg <
2807 sizeof(command_types) / sizeof(*command_types))
2808 IPW_DEBUG_TX(
2809 "Command '%s (%d)' processed: %d.\n",
2810 command_types[packet->info.c_struct.cmd->host_command_reg],
2811 packet->info.c_struct.cmd->host_command_reg,
2812 packet->info.c_struct.cmd->cmd_status_reg);
2813#endif
2814
2815 list_add_tail(element, &priv->msg_free_list);
2816 INC_STAT(&priv->msg_free_stat);
2817 break;
2818 }
2819
2820 /* advance oldest used TBD pointer to start of next entry */
2821 txq->oldest = (e + 1) % txq->entries;
2822 /* increase available TBDs number */
2823 txq->available += descriptors_used;
2824 SET_STAT(&priv->txq_stat, txq->available);
2825
2826 IPW_DEBUG_TX("packet latency (send to process) %ld jiffies\n",
2827 jiffies - packet->jiffy_start);
2828
2829 return (!list_empty(&priv->fw_pend_list));
2830}
2831
2832
2833static inline void __ipw2100_tx_complete(struct ipw2100_priv *priv)
2834{
2835 int i = 0;
2836
2837 while (__ipw2100_tx_process(priv) && i < 200) i++;
2838
2839 if (i == 200) {
19f7f742 2840 printk(KERN_WARNING DRV_NAME ": "
2c86c275
JK		 2841 "%s: Driver is running slow (%d iters).\n",
2842 priv->net_dev->name, i);
2843 }
2844}
2845
2846
19f7f742 2847static void ipw2100_tx_send_commands(struct ipw2100_priv *priv)
2c86c275
JK		 2848{
2849 struct list_head *element;
2850 struct ipw2100_tx_packet *packet;
2851 struct ipw2100_bd_queue *txq = &priv->tx_queue;
2852 struct ipw2100_bd *tbd;
2853 int next = txq->next;
2854
2855 while (!list_empty(&priv->msg_pend_list)) {
2856 /* if there isn't enough space in TBD queue, then
2857 * don't stuff a new one in.
2858 * NOTE: 3 are needed as a command will take one,
2859 * and there is a minimum of 2 that must be
2860 * maintained between the r and w indexes
2861 */
2862 if (txq->available <= 3) {
2863 IPW_DEBUG_TX("no room in tx_queue\n");
2864 break;
2865 }
2866
2867 element = priv->msg_pend_list.next;
2868 list_del(element);
2869 DEC_STAT(&priv->msg_pend_stat);
2870
2871 packet = list_entry(element,
2872 struct ipw2100_tx_packet, list);
2873
2874 IPW_DEBUG_TX("using TBD at virt=%p, phys=%p\n",
2875 &txq->drv[txq->next],
2876 (void*)(txq->nic + txq->next *
2877 sizeof(struct ipw2100_bd)));
2878
2879 packet->index = txq->next;
2880
2881 tbd = &txq->drv[txq->next];
2882
2883 /* initialize TBD */
2884 tbd->host_addr = packet->info.c_struct.cmd_phys;
2885 tbd->buf_length = sizeof(struct ipw2100_cmd_header);
2886 /* not marking number of fragments causes problems
2887 * with f/w debug version */
2888 tbd->num_fragments = 1;
2889 tbd->status.info.field =
2890 IPW_BD_STATUS_TX_FRAME_COMMAND |
2891 IPW_BD_STATUS_TX_INTERRUPT_ENABLE;
2892
2893 /* update TBD queue counters */
2894 txq->next++;
2895 txq->next %= txq->entries;
2896 txq->available--;
2897 DEC_STAT(&priv->txq_stat);
2898
2899 list_add_tail(element, &priv->fw_pend_list);
2900 INC_STAT(&priv->fw_pend_stat);
2901 }
2902
2903 if (txq->next != next) {
2904 /* kick off the DMA by notifying firmware the
2905 * write index has moved; make sure TBD stores are sync'd */
2906 wmb();
2907 write_register(priv->net_dev,
2908 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX,
2909 txq->next);
2910 }
2911}
2912
2913
2914/*
19f7f742 2915 * ipw2100_tx_send_data
2c86c275
JK		 2916 *
2917 */
19f7f742 2918static void ipw2100_tx_send_data(struct ipw2100_priv *priv)
2c86c275
JK		 2919{
2920 struct list_head *element;
2921 struct ipw2100_tx_packet *packet;
2922 struct ipw2100_bd_queue *txq = &priv->tx_queue;
2923 struct ipw2100_bd *tbd;
2924 int next = txq->next;
2925 int i = 0;
2926 struct ipw2100_data_header *ipw_hdr;
2927 struct ieee80211_hdr *hdr;
2928
2929 while (!list_empty(&priv->tx_pend_list)) {
2930 /* if there isn't enough space in TBD queue, then
2931 * don't stuff a new one in.
2932 * NOTE: 4 are needed as a data will take two,
2933 * and there is a minimum of 2 that must be
2934 * maintained between the r and w indexes
2935 */
2936 element = priv->tx_pend_list.next;
2937 packet = list_entry(element, struct ipw2100_tx_packet, list);
2938
2939 if (unlikely(1 + packet->info.d_struct.txb->nr_frags >
2940 IPW_MAX_BDS)) {
2941 /* TODO: Support merging buffers if more than
2942 * IPW_MAX_BDS are used */
2943 IPW_DEBUG_INFO(
2944 "%s: Maximum BD theshold exceeded. "
2945 "Increase fragmentation level.\n",
2946 priv->net_dev->name);
2947 }
2948
2949 if (txq->available <= 3 +
2950 packet->info.d_struct.txb->nr_frags) {
2951 IPW_DEBUG_TX("no room in tx_queue\n");
2952 break;
2953 }
2954
2955 list_del(element);
2956 DEC_STAT(&priv->tx_pend_stat);
2957
2958 tbd = &txq->drv[txq->next];
2959
2960 packet->index = txq->next;
2961
2962 ipw_hdr = packet->info.d_struct.data;
2963 hdr = (struct ieee80211_hdr *)packet->info.d_struct.txb->
2964 fragments[0]->data;
2965
2966 if (priv->ieee->iw_mode == IW_MODE_INFRA) {
2967 /* To DS: Addr1 = BSSID, Addr2 = SA,
2968 Addr3 = DA */
2969 memcpy(ipw_hdr->src_addr, hdr->addr2, ETH_ALEN);
2970 memcpy(ipw_hdr->dst_addr, hdr->addr3, ETH_ALEN);
2971 } else if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
2972 /* not From/To DS: Addr1 = DA, Addr2 = SA,
2973 Addr3 = BSSID */
2974 memcpy(ipw_hdr->src_addr, hdr->addr2, ETH_ALEN);
2975 memcpy(ipw_hdr->dst_addr, hdr->addr1, ETH_ALEN);
2976 }
2977
2978 ipw_hdr->host_command_reg = SEND;
2979 ipw_hdr->host_command_reg1 = 0;
2980
2981 /* For now we only support host based encryption */
2982 ipw_hdr->needs_encryption = 0;
2983 ipw_hdr->encrypted = packet->info.d_struct.txb->encrypted;
2984 if (packet->info.d_struct.txb->nr_frags > 1)
2985 ipw_hdr->fragment_size =
2986 packet->info.d_struct.txb->frag_size - IEEE80211_3ADDR_LEN;
2987 else
2988 ipw_hdr->fragment_size = 0;
2989
2990 tbd->host_addr = packet->info.d_struct.data_phys;
2991 tbd->buf_length = sizeof(struct ipw2100_data_header);
2992 tbd->num_fragments = 1 + packet->info.d_struct.txb->nr_frags;
2993 tbd->status.info.field =
2994 IPW_BD_STATUS_TX_FRAME_802_3 |
2995 IPW_BD_STATUS_TX_FRAME_NOT_LAST_FRAGMENT;
2996 txq->next++;
2997 txq->next %= txq->entries;
2998
2999 IPW_DEBUG_TX(
3000 "data header tbd TX%d P=%08x L=%d\n",
3001 packet->index, tbd->host_addr,
3002 tbd->buf_length);
3003#ifdef CONFIG_IPW_DEBUG
3004 if (packet->info.d_struct.txb->nr_frags > 1)
3005 IPW_DEBUG_FRAG("fragment Tx: %d frames\n",
3006 packet->info.d_struct.txb->nr_frags);
3007#endif
3008
3009 for (i = 0; i < packet->info.d_struct.txb->nr_frags; i++) {
3010 tbd = &txq->drv[txq->next];
3011 if (i == packet->info.d_struct.txb->nr_frags - 1)
3012 tbd->status.info.field =
3013 IPW_BD_STATUS_TX_FRAME_802_3 |
3014 IPW_BD_STATUS_TX_INTERRUPT_ENABLE;
3015 else
3016 tbd->status.info.field =
3017 IPW_BD_STATUS_TX_FRAME_802_3 |
3018 IPW_BD_STATUS_TX_FRAME_NOT_LAST_FRAGMENT;
3019
3020 tbd->buf_length = packet->info.d_struct.txb->
3021 fragments[i]->len - IEEE80211_3ADDR_LEN;
3022
3023 tbd->host_addr = pci_map_single(
3024 priv->pci_dev,
3025 packet->info.d_struct.txb->fragments[i]->data +
3026 IEEE80211_3ADDR_LEN,
3027 tbd->buf_length,
3028 PCI_DMA_TODEVICE);
3029
3030 IPW_DEBUG_TX(
3031 "data frag tbd TX%d P=%08x L=%d\n",
3032 txq->next, tbd->host_addr, tbd->buf_length);
3033
3034 pci_dma_sync_single_for_device(
3035 priv->pci_dev, tbd->host_addr,
3036 tbd->buf_length,
3037 PCI_DMA_TODEVICE);
3038
3039 txq->next++;
3040 txq->next %= txq->entries;
3041 }
3042
3043 txq->available -= 1 + packet->info.d_struct.txb->nr_frags;
3044 SET_STAT(&priv->txq_stat, txq->available);
3045
3046 list_add_tail(element, &priv->fw_pend_list);
3047 INC_STAT(&priv->fw_pend_stat);
3048 }
3049
3050 if (txq->next != next) {
3051 /* kick off the DMA by notifying firmware the
3052 * write index has moved; make sure TBD stores are sync'd */
3053 write_register(priv->net_dev,
3054 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX,
3055 txq->next);
3056 }
3057 return;
3058}
3059
3060static void ipw2100_irq_tasklet(struct ipw2100_priv *priv)
3061{
3062 struct net_device *dev = priv->net_dev;
3063 unsigned long flags;
3064 u32 inta, tmp;
3065
3066 spin_lock_irqsave(&priv->low_lock, flags);
3067 ipw2100_disable_interrupts(priv);
3068
3069 read_register(dev, IPW_REG_INTA, &inta);
3070
3071 IPW_DEBUG_ISR("enter - INTA: 0x%08lX\n",
3072 (unsigned long)inta & IPW_INTERRUPT_MASK);
3073
3074 priv->in_isr++;
3075 priv->interrupts++;
3076
3077 /* We do not loop and keep polling for more interrupts as this
3078 * is frowned upon and doesn't play nicely with other potentially
3079 * chained IRQs */
3080 IPW_DEBUG_ISR("INTA: 0x%08lX\n",
3081 (unsigned long)inta & IPW_INTERRUPT_MASK);
3082
3083 if (inta & IPW2100_INTA_FATAL_ERROR) {
3084 IPW_DEBUG_WARNING(DRV_NAME
3085 ": Fatal interrupt. Scheduling firmware restart.\n");
3086 priv->inta_other++;
3087 write_register(
3088 dev, IPW_REG_INTA,
3089 IPW2100_INTA_FATAL_ERROR);
3090
3091 read_nic_dword(dev, IPW_NIC_FATAL_ERROR, &priv->fatal_error);
3092 IPW_DEBUG_INFO("%s: Fatal error value: 0x%08X\n",
3093 priv->net_dev->name, priv->fatal_error);
3094
3095 read_nic_dword(dev, IPW_ERROR_ADDR(priv->fatal_error), &tmp);
3096 IPW_DEBUG_INFO("%s: Fatal error address value: 0x%08X\n",
3097 priv->net_dev->name, tmp);
3098
3099 /* Wake up any sleeping jobs */
3100 schedule_reset(priv);
3101 }
3102
3103 if (inta & IPW2100_INTA_PARITY_ERROR) {
3104 IPW_DEBUG_ERROR("***** PARITY ERROR INTERRUPT !!!! \n");
3105 priv->inta_other++;
3106 write_register(
3107 dev, IPW_REG_INTA,
3108 IPW2100_INTA_PARITY_ERROR);
3109 }
3110
3111 if (inta & IPW2100_INTA_RX_TRANSFER) {
3112 IPW_DEBUG_ISR("RX interrupt\n");
3113
3114 priv->rx_interrupts++;
3115
3116 write_register(
3117 dev, IPW_REG_INTA,
3118 IPW2100_INTA_RX_TRANSFER);
3119
3120 __ipw2100_rx_process(priv);
3121 __ipw2100_tx_complete(priv);
3122 }
3123
3124 if (inta & IPW2100_INTA_TX_TRANSFER) {
3125 IPW_DEBUG_ISR("TX interrupt\n");
3126
3127 priv->tx_interrupts++;
3128
3129 write_register(dev, IPW_REG_INTA,
3130 IPW2100_INTA_TX_TRANSFER);
3131
3132 __ipw2100_tx_complete(priv);
19f7f742
JB		 3133 ipw2100_tx_send_commands(priv);
3134 ipw2100_tx_send_data(priv);
2c86c275
JK		 3135 }
3136
3137 if (inta & IPW2100_INTA_TX_COMPLETE) {
3138 IPW_DEBUG_ISR("TX complete\n");
3139 priv->inta_other++;
3140 write_register(
3141 dev, IPW_REG_INTA,
3142 IPW2100_INTA_TX_COMPLETE);
3143
3144 __ipw2100_tx_complete(priv);
3145 }
3146
3147 if (inta & IPW2100_INTA_EVENT_INTERRUPT) {
3148 /* ipw2100_handle_event(dev); */
3149 priv->inta_other++;
3150 write_register(
3151 dev, IPW_REG_INTA,
3152 IPW2100_INTA_EVENT_INTERRUPT);
3153 }
3154
3155 if (inta & IPW2100_INTA_FW_INIT_DONE) {
3156 IPW_DEBUG_ISR("FW init done interrupt\n");
3157 priv->inta_other++;
3158
3159 read_register(dev, IPW_REG_INTA, &tmp);
3160 if (tmp & (IPW2100_INTA_FATAL_ERROR |
3161 IPW2100_INTA_PARITY_ERROR)) {
3162 write_register(
3163 dev, IPW_REG_INTA,
3164 IPW2100_INTA_FATAL_ERROR |
3165 IPW2100_INTA_PARITY_ERROR);
3166 }
3167
3168 write_register(dev, IPW_REG_INTA,
3169 IPW2100_INTA_FW_INIT_DONE);
3170 }
3171
3172 if (inta & IPW2100_INTA_STATUS_CHANGE) {
3173 IPW_DEBUG_ISR("Status change interrupt\n");
3174 priv->inta_other++;
3175 write_register(
3176 dev, IPW_REG_INTA,
3177 IPW2100_INTA_STATUS_CHANGE);
3178 }
3179
3180 if (inta & IPW2100_INTA_SLAVE_MODE_HOST_COMMAND_DONE) {
3181 IPW_DEBUG_ISR("slave host mode interrupt\n");
3182 priv->inta_other++;
3183 write_register(
3184 dev, IPW_REG_INTA,
3185 IPW2100_INTA_SLAVE_MODE_HOST_COMMAND_DONE);
3186 }
3187
3188 priv->in_isr--;
3189 ipw2100_enable_interrupts(priv);
3190
3191 spin_unlock_irqrestore(&priv->low_lock, flags);
3192
3193 IPW_DEBUG_ISR("exit\n");
3194}
3195
3196
3197static irqreturn_t ipw2100_interrupt(int irq, void *data,
3198 struct pt_regs *regs)
3199{
3200 struct ipw2100_priv *priv = data;
3201 u32 inta, inta_mask;
3202
3203 if (!data)
3204 return IRQ_NONE;
3205
3206 spin_lock(&priv->low_lock);
3207
3208 /* We check to see if we should be ignoring interrupts before
3209 * we touch the hardware. During ucode load if we try and handle
3210 * an interrupt we can cause keyboard problems as well as cause
3211 * the ucode to fail to initialize */
3212 if (!(priv->status & STATUS_INT_ENABLED)) {
3213 /* Shared IRQ */
3214 goto none;
3215 }
3216
3217 read_register(priv->net_dev, IPW_REG_INTA_MASK, &inta_mask);
3218 read_register(priv->net_dev, IPW_REG_INTA, &inta);
3219
3220 if (inta == 0xFFFFFFFF) {
3221 /* Hardware disappeared */
3222 IPW_DEBUG_WARNING("IRQ INTA == 0xFFFFFFFF\n");
3223 goto none;
3224 }
3225
3226 inta &= IPW_INTERRUPT_MASK;
3227
3228 if (!(inta & inta_mask)) {
3229 /* Shared interrupt */
3230 goto none;
3231 }
3232
3233 /* We disable the hardware interrupt here just to prevent unneeded
3234 * calls to be made. We disable this again within the actual
3235 * work tasklet, so if another part of the code re-enables the
3236 * interrupt, that is fine */
3237 ipw2100_disable_interrupts(priv);
3238
3239 tasklet_schedule(&priv->irq_tasklet);
3240 spin_unlock(&priv->low_lock);
3241
3242 return IRQ_HANDLED;
3243 none:
3244 spin_unlock(&priv->low_lock);
3245 return IRQ_NONE;
3246}
3247
3248static int ipw2100_tx(struct ieee80211_txb *txb, struct net_device *dev)
3249{
3250 struct ipw2100_priv *priv = ieee80211_priv(dev);
3251 struct list_head *element;
3252 struct ipw2100_tx_packet *packet;
3253 unsigned long flags;
3254
3255 spin_lock_irqsave(&priv->low_lock, flags);
3256
3257 if (!(priv->status & STATUS_ASSOCIATED)) {
3258 IPW_DEBUG_INFO("Can not transmit when not connected.\n");
3259 priv->ieee->stats.tx_carrier_errors++;
3260 netif_stop_queue(dev);
3261 goto fail_unlock;
3262 }
3263
3264 if (list_empty(&priv->tx_free_list))
3265 goto fail_unlock;
3266
3267 element = priv->tx_free_list.next;
3268 packet = list_entry(element, struct ipw2100_tx_packet, list);
3269
3270 packet->info.d_struct.txb = txb;
3271
3272 IPW_DEBUG_TX("Sending fragment (%d bytes):\n",
3273 txb->fragments[0]->len);
3274 printk_buf(IPW_DL_TX, txb->fragments[0]->data,
3275 txb->fragments[0]->len);
3276
3277 packet->jiffy_start = jiffies;
3278
3279 list_del(element);
3280 DEC_STAT(&priv->tx_free_stat);
3281
3282 list_add_tail(element, &priv->tx_pend_list);
3283 INC_STAT(&priv->tx_pend_stat);
3284
19f7f742 3285 ipw2100_tx_send_data(priv);
2c86c275
JK		 3286
3287 spin_unlock_irqrestore(&priv->low_lock, flags);
3288 return 0;
3289
3290 fail_unlock:
3291 netif_stop_queue(dev);
3292 spin_unlock_irqrestore(&priv->low_lock, flags);
3293 return 1;
3294}
3295
3296
3297static int ipw2100_msg_allocate(struct ipw2100_priv *priv)
3298{
3299 int i, j, err = -EINVAL;
3300 void *v;
3301 dma_addr_t p;
3302
3303 priv->msg_buffers = (struct ipw2100_tx_packet *)kmalloc(
3304 IPW_COMMAND_POOL_SIZE * sizeof(struct ipw2100_tx_packet),
3305 GFP_KERNEL);
3306 if (!priv->msg_buffers) {
3307 IPW_DEBUG_ERROR("%s: PCI alloc failed for msg "
3308 "buffers.\n", priv->net_dev->name);
3309 return -ENOMEM;
3310 }
3311
3312 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) {
3313 v = pci_alloc_consistent(
3314 priv->pci_dev,
3315 sizeof(struct ipw2100_cmd_header),
3316 &p);
3317 if (!v) {
3318 IPW_DEBUG_ERROR(
3319 "%s: PCI alloc failed for msg "
3320 "buffers.\n",
3321 priv->net_dev->name);
3322 err = -ENOMEM;
3323 break;
3324 }
3325
3326 memset(v, 0, sizeof(struct ipw2100_cmd_header));
3327
3328 priv->msg_buffers[i].type = COMMAND;
3329 priv->msg_buffers[i].info.c_struct.cmd =
3330 (struct ipw2100_cmd_header*)v;
3331 priv->msg_buffers[i].info.c_struct.cmd_phys = p;
3332 }
3333
3334 if (i == IPW_COMMAND_POOL_SIZE)
3335 return 0;
3336
3337 for (j = 0; j < i; j++) {
3338 pci_free_consistent(
3339 priv->pci_dev,
3340 sizeof(struct ipw2100_cmd_header),
3341 priv->msg_buffers[j].info.c_struct.cmd,
3342 priv->msg_buffers[j].info.c_struct.cmd_phys);
3343 }
3344
3345 kfree(priv->msg_buffers);
3346 priv->msg_buffers = NULL;
3347
3348 return err;
3349}
3350
3351static int ipw2100_msg_initialize(struct ipw2100_priv *priv)
3352{
3353 int i;
3354
3355 INIT_LIST_HEAD(&priv->msg_free_list);
3356 INIT_LIST_HEAD(&priv->msg_pend_list);
3357
3358 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++)
3359 list_add_tail(&priv->msg_buffers[i].list, &priv->msg_free_list);
3360 SET_STAT(&priv->msg_free_stat, i);
3361
3362 return 0;
3363}
3364
3365static void ipw2100_msg_free(struct ipw2100_priv *priv)
3366{
3367 int i;
3368
3369 if (!priv->msg_buffers)
3370 return;
3371
3372 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) {
3373 pci_free_consistent(priv->pci_dev,
3374 sizeof(struct ipw2100_cmd_header),
3375 priv->msg_buffers[i].info.c_struct.cmd,
3376 priv->msg_buffers[i].info.c_struct.cmd_phys);
3377 }
3378
3379 kfree(priv->msg_buffers);
3380 priv->msg_buffers = NULL;
3381}
3382
edfc43f2
AM		 3383static ssize_t show_pci(struct device *d, struct device_attribute *attr,
3384 char *buf)
2c86c275
JK		 3385{
3386 struct pci_dev *pci_dev = container_of(d, struct pci_dev, dev);
3387 char *out = buf;
3388 int i, j;
3389 u32 val;
3390
3391 for (i = 0; i < 16; i++) {
3392 out += sprintf(out, "[%08X] ", i * 16);
3393 for (j = 0; j < 16; j += 4) {
3394 pci_read_config_dword(pci_dev, i * 16 + j, &val);
3395 out += sprintf(out, "%08X ", val);
3396 }
3397 out += sprintf(out, "\n");
3398 }
3399
3400 return out - buf;
3401}
3402static DEVICE_ATTR(pci, S_IRUGO, show_pci, NULL);
3403
edfc43f2
AM		 3404static ssize_t show_cfg(struct device *d, struct device_attribute *attr,
3405 char *buf)
2c86c275 3406{
edfc43f2 3407 struct ipw2100_priv *p = d->driver_data;
2c86c275
JK		 3408 return sprintf(buf, "0x%08x\n", (int)p->config);
3409}
3410static DEVICE_ATTR(cfg, S_IRUGO, show_cfg, NULL);
3411
edfc43f2
AM		 3412static ssize_t show_status(struct device *d, struct device_attribute *attr,
3413 char *buf)
2c86c275 3414{
edfc43f2 3415 struct ipw2100_priv *p = d->driver_data;
2c86c275
JK		 3416 return sprintf(buf, "0x%08x\n", (int)p->status);
3417}
3418static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
3419
edfc43f2
AM		 3420static ssize_t show_capability(struct device *d, struct device_attribute *attr,
3421 char *buf)
2c86c275 3422{
edfc43f2 3423 struct ipw2100_priv *p = d->driver_data;
2c86c275
JK		 3424 return sprintf(buf, "0x%08x\n", (int)p->capability);
3425}
3426static DEVICE_ATTR(capability, S_IRUGO, show_capability, NULL);
3427
3428
3429#define IPW2100_REG(x) { IPW_ ##x, #x }
3430const struct {
3431 u32 addr;
3432 const char *name;
3433} hw_data[] = {
3434 IPW2100_REG(REG_GP_CNTRL),
3435 IPW2100_REG(REG_GPIO),
3436 IPW2100_REG(REG_INTA),
3437 IPW2100_REG(REG_INTA_MASK),
3438 IPW2100_REG(REG_RESET_REG),
3439};
3440#define IPW2100_NIC(x, s) { x, #x, s }
3441const struct {
3442 u32 addr;
3443 const char *name;
3444 size_t size;
3445} nic_data[] = {
3446 IPW2100_NIC(IPW2100_CONTROL_REG, 2),
3447 IPW2100_NIC(0x210014, 1),
3448 IPW2100_NIC(0x210000, 1),
3449};
3450#define IPW2100_ORD(x, d) { IPW_ORD_ ##x, #x, d }
3451const struct {
3452 u8 index;
3453 const char *name;
3454 const char *desc;
3455} ord_data[] = {
3456 IPW2100_ORD(STAT_TX_HOST_REQUESTS, "requested Host Tx's (MSDU)"),
3457 IPW2100_ORD(STAT_TX_HOST_COMPLETE, "successful Host Tx's (MSDU)"),
3458 IPW2100_ORD(STAT_TX_DIR_DATA, "successful Directed Tx's (MSDU)"),
3459 IPW2100_ORD(STAT_TX_DIR_DATA1, "successful Directed Tx's (MSDU) @ 1MB"),
3460 IPW2100_ORD(STAT_TX_DIR_DATA2, "successful Directed Tx's (MSDU) @ 2MB"),
3461 IPW2100_ORD(STAT_TX_DIR_DATA5_5, "successful Directed Tx's (MSDU) @ 5_5MB"),
3462 IPW2100_ORD(STAT_TX_DIR_DATA11, "successful Directed Tx's (MSDU) @ 11MB"),
3463 IPW2100_ORD(STAT_TX_NODIR_DATA1, "successful Non_Directed Tx's (MSDU) @ 1MB"),
3464 IPW2100_ORD(STAT_TX_NODIR_DATA2, "successful Non_Directed Tx's (MSDU) @ 2MB"),
3465 IPW2100_ORD(STAT_TX_NODIR_DATA5_5, "successful Non_Directed Tx's (MSDU) @ 5.5MB"),
3466 IPW2100_ORD(STAT_TX_NODIR_DATA11, "successful Non_Directed Tx's (MSDU) @ 11MB"),
3467 IPW2100_ORD(STAT_NULL_DATA, "successful NULL data Tx's"),
3468 IPW2100_ORD(STAT_TX_RTS, "successful Tx RTS"),
3469 IPW2100_ORD(STAT_TX_CTS, "successful Tx CTS"),
3470 IPW2100_ORD(STAT_TX_ACK, "successful Tx ACK"),
3471 IPW2100_ORD(STAT_TX_ASSN, "successful Association Tx's"),
3472 IPW2100_ORD(STAT_TX_ASSN_RESP, "successful Association response Tx's"),
3473 IPW2100_ORD(STAT_TX_REASSN, "successful Reassociation Tx's"),
3474 IPW2100_ORD(STAT_TX_REASSN_RESP, "successful Reassociation response Tx's"),
3475 IPW2100_ORD(STAT_TX_PROBE, "probes successfully transmitted"),
3476 IPW2100_ORD(STAT_TX_PROBE_RESP, "probe responses successfully transmitted"),
3477 IPW2100_ORD(STAT_TX_BEACON, "tx beacon"),
3478 IPW2100_ORD(STAT_TX_ATIM, "Tx ATIM"),
3479 IPW2100_ORD(STAT_TX_DISASSN, "successful Disassociation TX"),
3480 IPW2100_ORD(STAT_TX_AUTH, "successful Authentication Tx"),
3481 IPW2100_ORD(STAT_TX_DEAUTH, "successful Deauthentication TX"),
3482 IPW2100_ORD(STAT_TX_TOTAL_BYTES, "Total successful Tx data bytes"),
3483 IPW2100_ORD(STAT_TX_RETRIES, "Tx retries"),
3484 IPW2100_ORD(STAT_TX_RETRY1, "Tx retries at 1MBPS"),
3485 IPW2100_ORD(STAT_TX_RETRY2, "Tx retries at 2MBPS"),
3486 IPW2100_ORD(STAT_TX_RETRY5_5, "Tx retries at 5.5MBPS"),
3487 IPW2100_ORD(STAT_TX_RETRY11, "Tx retries at 11MBPS"),
3488 IPW2100_ORD(STAT_TX_FAILURES, "Tx Failures"),
3489 IPW2100_ORD(STAT_TX_MAX_TRIES_IN_HOP,"times max tries in a hop failed"),
3490 IPW2100_ORD(STAT_TX_DISASSN_FAIL, "times disassociation failed"),
3491 IPW2100_ORD(STAT_TX_ERR_CTS, "missed/bad CTS frames"),
3492 IPW2100_ORD(STAT_TX_ERR_ACK, "tx err due to acks"),
3493 IPW2100_ORD(STAT_RX_HOST, "packets passed to host"),
3494 IPW2100_ORD(STAT_RX_DIR_DATA, "directed packets"),
3495 IPW2100_ORD(STAT_RX_DIR_DATA1, "directed packets at 1MB"),
3496 IPW2100_ORD(STAT_RX_DIR_DATA2, "directed packets at 2MB"),
3497 IPW2100_ORD(STAT_RX_DIR_DATA5_5, "directed packets at 5.5MB"),
3498 IPW2100_ORD(STAT_RX_DIR_DATA11, "directed packets at 11MB"),
3499 IPW2100_ORD(STAT_RX_NODIR_DATA,"nondirected packets"),
3500 IPW2100_ORD(STAT_RX_NODIR_DATA1, "nondirected packets at 1MB"),
3501 IPW2100_ORD(STAT_RX_NODIR_DATA2, "nondirected packets at 2MB"),
3502 IPW2100_ORD(STAT_RX_NODIR_DATA5_5, "nondirected packets at 5.5MB"),
3503 IPW2100_ORD(STAT_RX_NODIR_DATA11, "nondirected packets at 11MB"),
3504 IPW2100_ORD(STAT_RX_NULL_DATA, "null data rx's"),
3505 IPW2100_ORD(STAT_RX_RTS, "Rx RTS"),
3506 IPW2100_ORD(STAT_RX_CTS, "Rx CTS"),
3507 IPW2100_ORD(STAT_RX_ACK, "Rx ACK"),
3508 IPW2100_ORD(STAT_RX_CFEND, "Rx CF End"),
3509 IPW2100_ORD(STAT_RX_CFEND_ACK, "Rx CF End + CF Ack"),
3510 IPW2100_ORD(STAT_RX_ASSN, "Association Rx's"),
3511 IPW2100_ORD(STAT_RX_ASSN_RESP, "Association response Rx's"),
3512 IPW2100_ORD(STAT_RX_REASSN, "Reassociation Rx's"),
3513 IPW2100_ORD(STAT_RX_REASSN_RESP, "Reassociation response Rx's"),
3514 IPW2100_ORD(STAT_RX_PROBE, "probe Rx's"),
3515 IPW2100_ORD(STAT_RX_PROBE_RESP, "probe response Rx's"),
3516 IPW2100_ORD(STAT_RX_BEACON, "Rx beacon"),
3517 IPW2100_ORD(STAT_RX_ATIM, "Rx ATIM"),
3518 IPW2100_ORD(STAT_RX_DISASSN, "disassociation Rx"),
3519 IPW2100_ORD(STAT_RX_AUTH, "authentication Rx"),
3520 IPW2100_ORD(STAT_RX_DEAUTH, "deauthentication Rx"),
3521 IPW2100_ORD(STAT_RX_TOTAL_BYTES,"Total rx data bytes received"),
3522 IPW2100_ORD(STAT_RX_ERR_CRC, "packets with Rx CRC error"),
3523 IPW2100_ORD(STAT_RX_ERR_CRC1, "Rx CRC errors at 1MB"),
3524 IPW2100_ORD(STAT_RX_ERR_CRC2, "Rx CRC errors at 2MB"),
3525 IPW2100_ORD(STAT_RX_ERR_CRC5_5, "Rx CRC errors at 5.5MB"),
3526 IPW2100_ORD(STAT_RX_ERR_CRC11, "Rx CRC errors at 11MB"),
3527 IPW2100_ORD(STAT_RX_DUPLICATE1, "duplicate rx packets at 1MB"),
3528 IPW2100_ORD(STAT_RX_DUPLICATE2, "duplicate rx packets at 2MB"),
3529 IPW2100_ORD(STAT_RX_DUPLICATE5_5, "duplicate rx packets at 5.5MB"),
3530 IPW2100_ORD(STAT_RX_DUPLICATE11, "duplicate rx packets at 11MB"),
3531 IPW2100_ORD(STAT_RX_DUPLICATE, "duplicate rx packets"),
3532 IPW2100_ORD(PERS_DB_LOCK, "locking fw permanent db"),
3533 IPW2100_ORD(PERS_DB_SIZE, "size of fw permanent db"),
3534 IPW2100_ORD(PERS_DB_ADDR, "address of fw permanent db"),
3535 IPW2100_ORD(STAT_RX_INVALID_PROTOCOL, "rx frames with invalid protocol"),
3536 IPW2100_ORD(SYS_BOOT_TIME, "Boot time"),
3537 IPW2100_ORD(STAT_RX_NO_BUFFER, "rx frames rejected due to no buffer"),
3538 IPW2100_ORD(STAT_RX_MISSING_FRAG, "rx frames dropped due to missing fragment"),
3539 IPW2100_ORD(STAT_RX_ORPHAN_FRAG, "rx frames dropped due to non-sequential fragment"),
3540 IPW2100_ORD(STAT_RX_ORPHAN_FRAME, "rx frames dropped due to unmatched 1st frame"),
3541 IPW2100_ORD(STAT_RX_FRAG_AGEOUT, "rx frames dropped due to uncompleted frame"),
3542 IPW2100_ORD(STAT_RX_ICV_ERRORS, "ICV errors during decryption"),
3543 IPW2100_ORD(STAT_PSP_SUSPENSION,"times adapter suspended"),
3544 IPW2100_ORD(STAT_PSP_BCN_TIMEOUT, "beacon timeout"),
3545 IPW2100_ORD(STAT_PSP_POLL_TIMEOUT, "poll response timeouts"),
3546 IPW2100_ORD(STAT_PSP_NONDIR_TIMEOUT, "timeouts waiting for last {broad,multi}cast pkt"),
3547 IPW2100_ORD(STAT_PSP_RX_DTIMS, "PSP DTIMs received"),
3548 IPW2100_ORD(STAT_PSP_RX_TIMS, "PSP TIMs received"),
3549 IPW2100_ORD(STAT_PSP_STATION_ID,"PSP Station ID"),
3550 IPW2100_ORD(LAST_ASSN_TIME, "RTC time of last association"),
3551 IPW2100_ORD(STAT_PERCENT_MISSED_BCNS,"current calculation of % missed beacons"),
3552 IPW2100_ORD(STAT_PERCENT_RETRIES,"current calculation of % missed tx retries"),
3553 IPW2100_ORD(ASSOCIATED_AP_PTR, "0 if not associated, else pointer to AP table entry"),
3554 IPW2100_ORD(AVAILABLE_AP_CNT, "AP's decsribed in the AP table"),
3555 IPW2100_ORD(AP_LIST_PTR, "Ptr to list of available APs"),
3556 IPW2100_ORD(STAT_AP_ASSNS, "associations"),
3557 IPW2100_ORD(STAT_ASSN_FAIL, "association failures"),
3558 IPW2100_ORD(STAT_ASSN_RESP_FAIL,"failures due to response fail"),
3559 IPW2100_ORD(STAT_FULL_SCANS, "full scans"),
3560 IPW2100_ORD(CARD_DISABLED, "Card Disabled"),
3561 IPW2100_ORD(STAT_ROAM_INHIBIT, "times roaming was inhibited due to activity"),
3562 IPW2100_ORD(RSSI_AT_ASSN, "RSSI of associated AP at time of association"),
3563 IPW2100_ORD(STAT_ASSN_CAUSE1, "reassociation: no probe response or TX on hop"),
3564 IPW2100_ORD(STAT_ASSN_CAUSE2, "reassociation: poor tx/rx quality"),
3565 IPW2100_ORD(STAT_ASSN_CAUSE3, "reassociation: tx/rx quality (excessive AP load"),
3566 IPW2100_ORD(STAT_ASSN_CAUSE4, "reassociation: AP RSSI level"),
3567 IPW2100_ORD(STAT_ASSN_CAUSE5, "reassociations due to load leveling"),
3568 IPW2100_ORD(STAT_AUTH_FAIL, "times authentication failed"),
3569 IPW2100_ORD(STAT_AUTH_RESP_FAIL,"times authentication response failed"),
3570 IPW2100_ORD(STATION_TABLE_CNT, "entries in association table"),
3571 IPW2100_ORD(RSSI_AVG_CURR, "Current avg RSSI"),
3572 IPW2100_ORD(POWER_MGMT_MODE, "Power mode - 0=CAM, 1=PSP"),
3573 IPW2100_ORD(COUNTRY_CODE, "IEEE country code as recv'd from beacon"),
3574 IPW2100_ORD(COUNTRY_CHANNELS, "channels suported by country"),
3575 IPW2100_ORD(RESET_CNT, "adapter resets (warm)"),
3576 IPW2100_ORD(BEACON_INTERVAL, "Beacon interval"),
3577 IPW2100_ORD(ANTENNA_DIVERSITY, "TRUE if antenna diversity is disabled"),
3578 IPW2100_ORD(DTIM_PERIOD, "beacon intervals between DTIMs"),
3579 IPW2100_ORD(OUR_FREQ, "current radio freq lower digits - channel ID"),
3580 IPW2100_ORD(RTC_TIME, "current RTC time"),
3581 IPW2100_ORD(PORT_TYPE, "operating mode"),
3582 IPW2100_ORD(CURRENT_TX_RATE, "current tx rate"),
3583 IPW2100_ORD(SUPPORTED_RATES, "supported tx rates"),
3584 IPW2100_ORD(ATIM_WINDOW, "current ATIM Window"),
3585 IPW2100_ORD(BASIC_RATES, "basic tx rates"),
3586 IPW2100_ORD(NIC_HIGHEST_RATE, "NIC highest tx rate"),
3587 IPW2100_ORD(AP_HIGHEST_RATE, "AP highest tx rate"),
3588 IPW2100_ORD(CAPABILITIES, "Management frame capability field"),
3589 IPW2100_ORD(AUTH_TYPE, "Type of authentication"),
3590 IPW2100_ORD(RADIO_TYPE, "Adapter card platform type"),
3591 IPW2100_ORD(RTS_THRESHOLD, "Min packet length for RTS handshaking"),
3592 IPW2100_ORD(INT_MODE, "International mode"),
3593 IPW2100_ORD(FRAGMENTATION_THRESHOLD, "protocol frag threshold"),
3594 IPW2100_ORD(EEPROM_SRAM_DB_BLOCK_START_ADDRESS, "EEPROM offset in SRAM"),
3595 IPW2100_ORD(EEPROM_SRAM_DB_BLOCK_SIZE, "EEPROM size in SRAM"),
3596 IPW2100_ORD(EEPROM_SKU_CAPABILITY, "EEPROM SKU Capability"),
3597 IPW2100_ORD(EEPROM_IBSS_11B_CHANNELS, "EEPROM IBSS 11b channel set"),
3598 IPW2100_ORD(MAC_VERSION, "MAC Version"),
3599 IPW2100_ORD(MAC_REVISION, "MAC Revision"),
3600 IPW2100_ORD(RADIO_VERSION, "Radio Version"),
3601 IPW2100_ORD(NIC_MANF_DATE_TIME, "MANF Date/Time STAMP"),
3602 IPW2100_ORD(UCODE_VERSION, "Ucode Version"),
3603};
3604
3605
edfc43f2
AM		 3606static ssize_t show_registers(struct device *d, struct device_attribute *attr,
3607 char *buf)
2c86c275
JK		 3608{
3609 int i;
3610 struct ipw2100_priv *priv = dev_get_drvdata(d);
3611 struct net_device *dev = priv->net_dev;
3612 char * out = buf;
3613 u32 val = 0;
3614
3615 out += sprintf(out, "%30s [Address ] : Hex\n", "Register");
3616
3617 for (i = 0; i < (sizeof(hw_data) / sizeof(*hw_data)); i++) {
3618 read_register(dev, hw_data[i].addr, &val);
3619 out += sprintf(out, "%30s [%08X] : %08X\n",
3620 hw_data[i].name, hw_data[i].addr, val);
3621 }
3622
3623 return out - buf;
3624}
3625static DEVICE_ATTR(registers, S_IRUGO, show_registers, NULL);
3626
3627
edfc43f2
AM		 3628static ssize_t show_hardware(struct device *d, struct device_attribute *attr,
3629 char *buf)
2c86c275
JK		 3630{
3631 struct ipw2100_priv *priv = dev_get_drvdata(d);
3632 struct net_device *dev = priv->net_dev;
3633 char * out = buf;
3634 int i;
3635
3636 out += sprintf(out, "%30s [Address ] : Hex\n", "NIC entry");
3637
3638 for (i = 0; i < (sizeof(nic_data) / sizeof(*nic_data)); i++) {
3639 u8 tmp8;
3640 u16 tmp16;
3641 u32 tmp32;
3642
3643 switch (nic_data[i].size) {
3644 case 1:
3645 read_nic_byte(dev, nic_data[i].addr, &tmp8);
3646 out += sprintf(out, "%30s [%08X] : %02X\n",
3647 nic_data[i].name, nic_data[i].addr,
3648 tmp8);
3649 break;
3650 case 2:
3651 read_nic_word(dev, nic_data[i].addr, &tmp16);
3652 out += sprintf(out, "%30s [%08X] : %04X\n",
3653 nic_data[i].name, nic_data[i].addr,
3654 tmp16);
3655 break;
3656 case 4:
3657 read_nic_dword(dev, nic_data[i].addr, &tmp32);
3658 out += sprintf(out, "%30s [%08X] : %08X\n",
3659 nic_data[i].name, nic_data[i].addr,
3660 tmp32);
3661 break;
3662 }
3663 }
3664 return out - buf;
3665}
3666static DEVICE_ATTR(hardware, S_IRUGO, show_hardware, NULL);
3667
3668
edfc43f2
AM		 3669static ssize_t show_memory(struct device *d, struct device_attribute *attr,
3670 char *buf)
2c86c275
JK		 3671{
3672 struct ipw2100_priv *priv = dev_get_drvdata(d);
3673 struct net_device *dev = priv->net_dev;
3674 static unsigned long loop = 0;
3675 int len = 0;
3676 u32 buffer[4];
3677 int i;
3678 char line[81];
3679
3680 if (loop >= 0x30000)
3681 loop = 0;
3682
3683 /* sysfs provides us PAGE_SIZE buffer */
3684 while (len < PAGE_SIZE - 128 && loop < 0x30000) {
3685
3686 if (priv->snapshot[0]) for (i = 0; i < 4; i++)
3687 buffer[i] = *(u32 *)SNAPSHOT_ADDR(loop + i * 4);
3688 else for (i = 0; i < 4; i++)
3689 read_nic_dword(dev, loop + i * 4, &buffer[i]);
3690
3691 if (priv->dump_raw)
3692 len += sprintf(buf + len,
3693 "%c%c%c%c"
3694 "%c%c%c%c"
3695 "%c%c%c%c"
3696 "%c%c%c%c",
3697 ((u8*)buffer)[0x0],
3698 ((u8*)buffer)[0x1],
3699 ((u8*)buffer)[0x2],
3700 ((u8*)buffer)[0x3],
3701 ((u8*)buffer)[0x4],
3702 ((u8*)buffer)[0x5],
3703 ((u8*)buffer)[0x6],
3704 ((u8*)buffer)[0x7],
3705 ((u8*)buffer)[0x8],
3706 ((u8*)buffer)[0x9],
3707 ((u8*)buffer)[0xa],
3708 ((u8*)buffer)[0xb],
3709 ((u8*)buffer)[0xc],
3710 ((u8*)buffer)[0xd],
3711 ((u8*)buffer)[0xe],
3712 ((u8*)buffer)[0xf]);
3713 else
3714 len += sprintf(buf + len, "%s\n",
3715 snprint_line(line, sizeof(line),
3716 (u8*)buffer, 16, loop));
3717 loop += 16;
3718 }
3719
3720 return len;
3721}
3722
edfc43f2
AM		 3723static ssize_t store_memory(struct device *d, struct device_attribute *attr,
3724 const char *buf, size_t count)
2c86c275
JK		 3725{
3726 struct ipw2100_priv *priv = dev_get_drvdata(d);
3727 struct net_device *dev = priv->net_dev;
3728 const char *p = buf;
3729
3730 if (count < 1)
3731 return count;
3732
3733 if (p[0] == '1' ||
3734 (count >= 2 && tolower(p[0]) == 'o' && tolower(p[1]) == 'n')) {
3735 IPW_DEBUG_INFO("%s: Setting memory dump to RAW mode.\n",
3736 dev->name);
3737 priv->dump_raw = 1;
3738
3739 } else if (p[0] == '0' || (count >= 2 && tolower(p[0]) == 'o' &&
3740 tolower(p[1]) == 'f')) {
3741 IPW_DEBUG_INFO("%s: Setting memory dump to HEX mode.\n",
3742 dev->name);
3743 priv->dump_raw = 0;
3744
3745 } else if (tolower(p[0]) == 'r') {
3746 IPW_DEBUG_INFO("%s: Resetting firmware snapshot.\n",
3747 dev->name);
3748 ipw2100_snapshot_free(priv);
3749
3750 } else
3751 IPW_DEBUG_INFO("%s: Usage: 0|on = HEX, 1|off = RAW, "
3752 "reset = clear memory snapshot\n",
3753 dev->name);
3754
3755 return count;
3756}
3757static DEVICE_ATTR(memory, S_IWUSR|S_IRUGO, show_memory, store_memory);
3758
3759
edfc43f2
AM		 3760static ssize_t show_ordinals(struct device *d, struct device_attribute *attr,
3761 char *buf)
2c86c275
JK		 3762{
3763 struct ipw2100_priv *priv = dev_get_drvdata(d);
3764 u32 val = 0;
3765 int len = 0;
3766 u32 val_len;
3767 static int loop = 0;
3768
3769 if (loop >= sizeof(ord_data) / sizeof(*ord_data))
3770 loop = 0;
3771
3772 /* sysfs provides us PAGE_SIZE buffer */
3773 while (len < PAGE_SIZE - 128 &&
3774 loop < (sizeof(ord_data) / sizeof(*ord_data))) {
3775
3776 val_len = sizeof(u32);
3777
3778 if (ipw2100_get_ordinal(priv, ord_data[loop].index, &val,
3779 &val_len))
3780 len += sprintf(buf + len, "[0x%02X] = ERROR %s\n",
3781 ord_data[loop].index,
3782 ord_data[loop].desc);
3783 else
3784 len += sprintf(buf + len, "[0x%02X] = 0x%08X %s\n",
3785 ord_data[loop].index, val,
3786 ord_data[loop].desc);
3787 loop++;
3788 }
3789
3790 return len;
3791}
3792static DEVICE_ATTR(ordinals, S_IRUGO, show_ordinals, NULL);
3793
3794
edfc43f2
AM		 3795static ssize_t show_stats(struct device *d, struct device_attribute *attr,
3796 char *buf)
2c86c275
JK		 3797{
3798 struct ipw2100_priv *priv = dev_get_drvdata(d);
3799 char * out = buf;
3800
3801 out += sprintf(out, "interrupts: %d {tx: %d, rx: %d, other: %d}\n",
3802 priv->interrupts, priv->tx_interrupts,
3803 priv->rx_interrupts, priv->inta_other);
3804 out += sprintf(out, "firmware resets: %d\n", priv->resets);
3805 out += sprintf(out, "firmware hangs: %d\n", priv->hangs);
3806#ifdef CONFIG_IPW_DEBUG
3807 out += sprintf(out, "packet mismatch image: %s\n",
3808 priv->snapshot[0] ? "YES" : "NO");
3809#endif
3810
3811 return out - buf;
3812}
3813static DEVICE_ATTR(stats, S_IRUGO, show_stats, NULL);
3814
3815
3816int ipw2100_switch_mode(struct ipw2100_priv *priv, u32 mode)
3817{
3818 int err;
3819
3820 if (mode == priv->ieee->iw_mode)
3821 return 0;
3822
3823 err = ipw2100_disable_adapter(priv);
3824 if (err) {
3825 IPW_DEBUG_ERROR("%s: Could not disable adapter %d\n",
3826 priv->net_dev->name, err);
3827 return err;
3828 }
3829
3830 switch (mode) {
3831 case IW_MODE_INFRA:
3832 priv->net_dev->type = ARPHRD_ETHER;
3833 break;
3834 case IW_MODE_ADHOC:
3835 priv->net_dev->type = ARPHRD_ETHER;
3836 break;
3837#ifdef CONFIG_IPW2100_MONITOR
3838 case IW_MODE_MONITOR:
3839 priv->last_mode = priv->ieee->iw_mode;
3840 priv->net_dev->type = ARPHRD_IEEE80211;
3841 break;
3842#endif /* CONFIG_IPW2100_MONITOR */
3843 }
3844
3845 priv->ieee->iw_mode = mode;
3846
3847#ifdef CONFIG_PM
3848 /* Indicate ipw2100_download_firmware download firmware
3849 * from disk instead of memory. */
3850 ipw2100_firmware.version = 0;
3851#endif
3852
3853 printk(KERN_INFO "%s: Reseting on mode change.\n",
3854 priv->net_dev->name);
3855 priv->reset_backoff = 0;
3856 schedule_reset(priv);
3857
3858 return 0;
3859}
3860
edfc43f2
AM		 3861static ssize_t show_internals(struct device *d, struct device_attribute *attr,
3862 char *buf)
2c86c275
JK		 3863{
3864 struct ipw2100_priv *priv = dev_get_drvdata(d);
3865 int len = 0;
3866
3867#define DUMP_VAR(x,y) len += sprintf(buf + len, # x ": %" # y "\n", priv-> x)
3868
3869 if (priv->status & STATUS_ASSOCIATED)
3870 len += sprintf(buf + len, "connected: %lu\n",
3871 get_seconds() - priv->connect_start);
3872 else
3873 len += sprintf(buf + len, "not connected\n");
3874
3875 DUMP_VAR(ieee->crypt[priv->ieee->tx_keyidx], p);
3876 DUMP_VAR(status, 08lx);
3877 DUMP_VAR(config, 08lx);
3878 DUMP_VAR(capability, 08lx);
3879
3880 len += sprintf(buf + len, "last_rtc: %lu\n", (unsigned long)priv->last_rtc);
3881
3882 DUMP_VAR(fatal_error, d);
3883 DUMP_VAR(stop_hang_check, d);
3884 DUMP_VAR(stop_rf_kill, d);
3885 DUMP_VAR(messages_sent, d);
3886
3887 DUMP_VAR(tx_pend_stat.value, d);
3888 DUMP_VAR(tx_pend_stat.hi, d);
3889
3890 DUMP_VAR(tx_free_stat.value, d);
3891 DUMP_VAR(tx_free_stat.lo, d);
3892
3893 DUMP_VAR(msg_free_stat.value, d);
3894 DUMP_VAR(msg_free_stat.lo, d);
3895
3896 DUMP_VAR(msg_pend_stat.value, d);
3897 DUMP_VAR(msg_pend_stat.hi, d);
3898
3899 DUMP_VAR(fw_pend_stat.value, d);
3900 DUMP_VAR(fw_pend_stat.hi, d);
3901
3902 DUMP_VAR(txq_stat.value, d);
3903 DUMP_VAR(txq_stat.lo, d);
3904
3905 DUMP_VAR(ieee->scans, d);
3906 DUMP_VAR(reset_backoff, d);
3907
3908 return len;
3909}
3910static DEVICE_ATTR(internals, S_IRUGO, show_internals, NULL);
3911
3912
edfc43f2
AM		 3913static ssize_t show_bssinfo(struct device *d, struct device_attribute *attr,
3914 char *buf)
2c86c275
JK		 3915{
3916 struct ipw2100_priv *priv = dev_get_drvdata(d);
3917 char essid[IW_ESSID_MAX_SIZE + 1];
3918 u8 bssid[ETH_ALEN];
3919 u32 chan = 0;
3920 char * out = buf;
3921 int length;
3922 int ret;
3923
3924 memset(essid, 0, sizeof(essid));
3925 memset(bssid, 0, sizeof(bssid));
3926
3927 length = IW_ESSID_MAX_SIZE;
3928 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_SSID, essid, &length);
3929 if (ret)
3930 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
3931 __LINE__);
3932
3933 length = sizeof(bssid);
3934 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID,
3935 bssid, &length);
3936 if (ret)
3937 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
3938 __LINE__);
3939
3940 length = sizeof(u32);
3941 ret = ipw2100_get_ordinal(priv, IPW_ORD_OUR_FREQ, &chan, &length);
3942 if (ret)
3943 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
3944 __LINE__);
3945
3946 out += sprintf(out, "ESSID: %s\n", essid);
3947 out += sprintf(out, "BSSID: %02x:%02x:%02x:%02x:%02x:%02x\n",
3948 bssid[0], bssid[1], bssid[2],
3949 bssid[3], bssid[4], bssid[5]);
3950 out += sprintf(out, "Channel: %d\n", chan);
3951
3952 return out - buf;
3953}
3954static DEVICE_ATTR(bssinfo, S_IRUGO, show_bssinfo, NULL);
3955
3956
2c86c275
JK		 3957#ifdef CONFIG_IPW_DEBUG
3958static ssize_t show_debug_level(struct device_driver *d, char *buf)
3959{
3960 return sprintf(buf, "0x%08X\n", ipw2100_debug_level);
3961}
3962
3963static ssize_t store_debug_level(struct device_driver *d, const char *buf,
3964 size_t count)
3965{
3966 char *p = (char *)buf;
3967 u32 val;
3968
3969 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
3970 p++;
3971 if (p[0] == 'x' || p[0] == 'X')
3972 p++;
3973 val = simple_strtoul(p, &p, 16);
3974 } else
3975 val = simple_strtoul(p, &p, 10);
3976 if (p == buf)
3977 IPW_DEBUG_INFO(DRV_NAME
3978 ": %s is not in hex or decimal form.\n", buf);
3979 else
3980 ipw2100_debug_level = val;
3981
3982 return strnlen(buf, count);
3983}
3984static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level,
3985 store_debug_level);
3986#endif /* CONFIG_IPW_DEBUG */
3987
3988
edfc43f2
AM		 3989static ssize_t show_fatal_error(struct device *d,
3990 struct device_attribute *attr, char *buf)
2c86c275
JK		 3991{
3992 struct ipw2100_priv *priv = dev_get_drvdata(d);
3993 char *out = buf;
3994 int i;
3995
3996 if (priv->fatal_error)
3997 out += sprintf(out, "0x%08X\n",
3998 priv->fatal_error);
3999 else
4000 out += sprintf(out, "0\n");
4001
4002 for (i = 1; i <= IPW2100_ERROR_QUEUE; i++) {
4003 if (!priv->fatal_errors[(priv->fatal_index - i) %
4004 IPW2100_ERROR_QUEUE])
4005 continue;
4006
4007 out += sprintf(out, "%d. 0x%08X\n", i,
4008 priv->fatal_errors[(priv->fatal_index - i) %
4009 IPW2100_ERROR_QUEUE]);
4010 }
4011
4012 return out - buf;
4013}
4014
edfc43f2
AM		 4015static ssize_t store_fatal_error(struct device *d,
4016 struct device_attribute *attr, const char *buf, size_t count)
2c86c275
JK		 4017{
4018 struct ipw2100_priv *priv = dev_get_drvdata(d);
4019 schedule_reset(priv);
4020 return count;
4021}
4022static DEVICE_ATTR(fatal_error, S_IWUSR|S_IRUGO, show_fatal_error, store_fatal_error);
4023
4024
edfc43f2
AM		 4025static ssize_t show_scan_age(struct device *d, struct device_attribute *attr,
4026 char *buf)
2c86c275
JK		 4027{
4028 struct ipw2100_priv *priv = dev_get_drvdata(d);
4029 return sprintf(buf, "%d\n", priv->ieee->scan_age);
4030}
4031
edfc43f2
AM		 4032static ssize_t store_scan_age(struct device *d, struct device_attribute *attr,
4033 const char *buf, size_t count)
2c86c275
JK		 4034{
4035 struct ipw2100_priv *priv = dev_get_drvdata(d);
4036 struct net_device *dev = priv->net_dev;
4037 char buffer[] = "00000000";
4038 unsigned long len =
4039 (sizeof(buffer) - 1) > count ? count : sizeof(buffer) - 1;
4040 unsigned long val;
4041 char *p = buffer;
4042
4043 IPW_DEBUG_INFO("enter\n");
4044
4045 strncpy(buffer, buf, len);
4046 buffer[len] = 0;
4047
4048 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
4049 p++;
4050 if (p[0] == 'x' || p[0] == 'X')
4051 p++;
4052 val = simple_strtoul(p, &p, 16);
4053 } else
4054 val = simple_strtoul(p, &p, 10);
4055 if (p == buffer) {
4056 IPW_DEBUG_INFO("%s: user supplied invalid value.\n",
4057 dev->name);
4058 } else {
4059 priv->ieee->scan_age = val;
4060 IPW_DEBUG_INFO("set scan_age = %u\n", priv->ieee->scan_age);
4061 }
4062
4063 IPW_DEBUG_INFO("exit\n");
4064 return len;
4065}
4066static DEVICE_ATTR(scan_age, S_IWUSR | S_IRUGO, show_scan_age, store_scan_age);
4067
4068
edfc43f2
AM		 4069static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr,
4070 char *buf)
2c86c275
JK		 4071{
4072 /* 0 - RF kill not enabled
4073 1 - SW based RF kill active (sysfs)
4074 2 - HW based RF kill active
4075 3 - Both HW and SW baed RF kill active */
4076 struct ipw2100_priv *priv = (struct ipw2100_priv *)d->driver_data;
4077 int val = ((priv->status & STATUS_RF_KILL_SW) ? 0x1 : 0x0) |
4078 (rf_kill_active(priv) ? 0x2 : 0x0);
4079 return sprintf(buf, "%i\n", val);
4080}
4081
4082static int ipw_radio_kill_sw(struct ipw2100_priv *priv, int disable_radio)
4083{
4084 if ((disable_radio ? 1 : 0) ==
4085 (priv->status & STATUS_RF_KILL_SW ? 1 : 0))
4086 return 0 ;
4087
4088 IPW_DEBUG_RF_KILL("Manual SW RF Kill set to: RADIO %s\n",
4089 disable_radio ? "OFF" : "ON");
4090
4091 down(&priv->action_sem);
4092
4093 if (disable_radio) {
4094 priv->status |= STATUS_RF_KILL_SW;
4095 ipw2100_down(priv);
4096 } else {
4097 priv->status &= ~STATUS_RF_KILL_SW;
4098 if (rf_kill_active(priv)) {
4099 IPW_DEBUG_RF_KILL("Can not turn radio back on - "
4100 "disabled by HW switch\n");
4101 /* Make sure the RF_KILL check timer is running */
4102 priv->stop_rf_kill = 0;
4103 cancel_delayed_work(&priv->rf_kill);
4104 queue_delayed_work(priv->workqueue, &priv->rf_kill,
4105 HZ);
4106 } else
4107 schedule_reset(priv);
4108 }
4109
4110 up(&priv->action_sem);
4111 return 1;
4112}
4113
edfc43f2
AM		 4114static ssize_t store_rf_kill(struct device *d, struct device_attribute *attr,
4115 const char *buf, size_t count)
2c86c275
JK		 4116{
4117 struct ipw2100_priv *priv = dev_get_drvdata(d);
4118 ipw_radio_kill_sw(priv, buf[0] == '1');
4119 return count;
4120}
4121static DEVICE_ATTR(rf_kill, S_IWUSR|S_IRUGO, show_rf_kill, store_rf_kill);
4122
4123
4124static struct attribute *ipw2100_sysfs_entries[] = {
4125 &dev_attr_hardware.attr,
4126 &dev_attr_registers.attr,
4127 &dev_attr_ordinals.attr,
4128 &dev_attr_pci.attr,
4129 &dev_attr_stats.attr,
4130 &dev_attr_internals.attr,
4131 &dev_attr_bssinfo.attr,
4132 &dev_attr_memory.attr,
4133 &dev_attr_scan_age.attr,
4134 &dev_attr_fatal_error.attr,
4135 &dev_attr_rf_kill.attr,
4136 &dev_attr_cfg.attr,
4137 &dev_attr_status.attr,
4138 &dev_attr_capability.attr,
4139 NULL,
4140};
4141
4142static struct attribute_group ipw2100_attribute_group = {
4143 .attrs = ipw2100_sysfs_entries,
4144};
4145
4146
4147static int status_queue_allocate(struct ipw2100_priv *priv, int entries)
4148{
4149 struct ipw2100_status_queue *q = &priv->status_queue;
4150
4151 IPW_DEBUG_INFO("enter\n");
4152
4153 q->size = entries * sizeof(struct ipw2100_status);
4154 q->drv = (struct ipw2100_status *)pci_alloc_consistent(
4155 priv->pci_dev, q->size, &q->nic);
4156 if (!q->drv) {
4157 IPW_DEBUG_WARNING(
4158 "Can not allocate status queue.\n");
4159 return -ENOMEM;
4160 }
4161
4162 memset(q->drv, 0, q->size);
4163
4164 IPW_DEBUG_INFO("exit\n");
4165
4166 return 0;
4167}
4168
4169static void status_queue_free(struct ipw2100_priv *priv)
4170{
4171 IPW_DEBUG_INFO("enter\n");
4172
4173 if (priv->status_queue.drv) {
4174 pci_free_consistent(
4175 priv->pci_dev, priv->status_queue.size,
4176 priv->status_queue.drv, priv->status_queue.nic);
4177 priv->status_queue.drv = NULL;
4178 }
4179
4180 IPW_DEBUG_INFO("exit\n");
4181}
4182
4183static int bd_queue_allocate(struct ipw2100_priv *priv,
4184 struct ipw2100_bd_queue *q, int entries)
4185{
4186 IPW_DEBUG_INFO("enter\n");
4187
4188 memset(q, 0, sizeof(struct ipw2100_bd_queue));
4189
4190 q->entries = entries;
4191 q->size = entries * sizeof(struct ipw2100_bd);
4192 q->drv = pci_alloc_consistent(priv->pci_dev, q->size, &q->nic);
4193 if (!q->drv) {
4194 IPW_DEBUG_INFO("can't allocate shared memory for buffer descriptors\n");
4195 return -ENOMEM;
4196 }
4197 memset(q->drv, 0, q->size);
4198
4199 IPW_DEBUG_INFO("exit\n");
4200
4201 return 0;
4202}
4203
4204static void bd_queue_free(struct ipw2100_priv *priv,
4205 struct ipw2100_bd_queue *q)
4206{
4207 IPW_DEBUG_INFO("enter\n");
4208
4209 if (!q)
4210 return;
4211
4212 if (q->drv) {
4213 pci_free_consistent(priv->pci_dev,
4214 q->size, q->drv, q->nic);
4215 q->drv = NULL;
4216 }
4217
4218 IPW_DEBUG_INFO("exit\n");
4219}
4220
4221static void bd_queue_initialize(
4222 struct ipw2100_priv *priv, struct ipw2100_bd_queue * q,
4223 u32 base, u32 size, u32 r, u32 w)
4224{
4225 IPW_DEBUG_INFO("enter\n");
4226
aaa4d308 4227 IPW_DEBUG_INFO("initializing bd queue at virt=%p, phys=%08x\n", q->drv, (u32)q->nic);
2c86c275
JK		 4228
4229 write_register(priv->net_dev, base, q->nic);
4230 write_register(priv->net_dev, size, q->entries);
4231 write_register(priv->net_dev, r, q->oldest);
4232 write_register(priv->net_dev, w, q->next);
4233
4234 IPW_DEBUG_INFO("exit\n");
4235}
4236
4237static void ipw2100_kill_workqueue(struct ipw2100_priv *priv)
4238{
4239 if (priv->workqueue) {
4240 priv->stop_rf_kill = 1;
4241 priv->stop_hang_check = 1;
4242 cancel_delayed_work(&priv->reset_work);
4243 cancel_delayed_work(&priv->security_work);
4244 cancel_delayed_work(&priv->wx_event_work);
4245 cancel_delayed_work(&priv->hang_check);
4246 cancel_delayed_work(&priv->rf_kill);
4247 destroy_workqueue(priv->workqueue);
4248 priv->workqueue = NULL;
4249 }
4250}
4251
4252static int ipw2100_tx_allocate(struct ipw2100_priv *priv)
4253{
4254 int i, j, err = -EINVAL;
4255 void *v;
4256 dma_addr_t p;
4257
4258 IPW_DEBUG_INFO("enter\n");
4259
4260 err = bd_queue_allocate(priv, &priv->tx_queue, TX_QUEUE_LENGTH);
4261 if (err) {
4262 IPW_DEBUG_ERROR("%s: failed bd_queue_allocate\n",
4263 priv->net_dev->name);
4264 return err;
4265 }
4266
4267 priv->tx_buffers = (struct ipw2100_tx_packet *)kmalloc(
4268 TX_PENDED_QUEUE_LENGTH * sizeof(struct ipw2100_tx_packet),
4269 GFP_ATOMIC);
4270 if (!priv->tx_buffers) {
4271 IPW_DEBUG_ERROR("%s: alloc failed form tx buffers.\n",
4272 priv->net_dev->name);
4273 bd_queue_free(priv, &priv->tx_queue);
4274 return -ENOMEM;
4275 }
4276
4277 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) {
4278 v = pci_alloc_consistent(
4279 priv->pci_dev, sizeof(struct ipw2100_data_header), &p);
4280 if (!v) {
4281 IPW_DEBUG_ERROR("%s: PCI alloc failed for tx "
4282 "buffers.\n", priv->net_dev->name);
4283 err = -ENOMEM;
4284 break;
4285 }
4286
4287 priv->tx_buffers[i].type = DATA;
4288 priv->tx_buffers[i].info.d_struct.data = (struct ipw2100_data_header*)v;
4289 priv->tx_buffers[i].info.d_struct.data_phys = p;
4290 priv->tx_buffers[i].info.d_struct.txb = NULL;
4291 }
4292
4293 if (i == TX_PENDED_QUEUE_LENGTH)
4294 return 0;
4295
4296 for (j = 0; j < i; j++) {
4297 pci_free_consistent(
4298 priv->pci_dev,
4299 sizeof(struct ipw2100_data_header),
4300 priv->tx_buffers[j].info.d_struct.data,
4301 priv->tx_buffers[j].info.d_struct.data_phys);
4302 }
4303
4304 kfree(priv->tx_buffers);
4305 priv->tx_buffers = NULL;
4306
4307 return err;
4308}
4309
4310static void ipw2100_tx_initialize(struct ipw2100_priv *priv)
4311{
4312 int i;
4313
4314 IPW_DEBUG_INFO("enter\n");
4315
4316 /*
4317 * reinitialize packet info lists
4318 */
4319 INIT_LIST_HEAD(&priv->fw_pend_list);
4320 INIT_STAT(&priv->fw_pend_stat);
4321
4322 /*
4323 * reinitialize lists
4324 */
4325 INIT_LIST_HEAD(&priv->tx_pend_list);
4326 INIT_LIST_HEAD(&priv->tx_free_list);
4327 INIT_STAT(&priv->tx_pend_stat);
4328 INIT_STAT(&priv->tx_free_stat);
4329
4330 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) {
4331 /* We simply drop any SKBs that have been queued for
4332 * transmit */
4333 if (priv->tx_buffers[i].info.d_struct.txb) {
4334 ieee80211_txb_free(priv->tx_buffers[i].info.d_struct.txb);
4335 priv->tx_buffers[i].info.d_struct.txb = NULL;
4336 }
4337
4338 list_add_tail(&priv->tx_buffers[i].list, &priv->tx_free_list);
4339 }
4340
4341 SET_STAT(&priv->tx_free_stat, i);
4342
4343 priv->tx_queue.oldest = 0;
4344 priv->tx_queue.available = priv->tx_queue.entries;
4345 priv->tx_queue.next = 0;
4346 INIT_STAT(&priv->txq_stat);
4347 SET_STAT(&priv->txq_stat, priv->tx_queue.available);
4348
4349 bd_queue_initialize(priv, &priv->tx_queue,
4350 IPW_MEM_HOST_SHARED_TX_QUEUE_BD_BASE,
4351 IPW_MEM_HOST_SHARED_TX_QUEUE_BD_SIZE,
4352 IPW_MEM_HOST_SHARED_TX_QUEUE_READ_INDEX,
4353 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX);
4354
4355 IPW_DEBUG_INFO("exit\n");
4356
4357}
4358
4359static void ipw2100_tx_free(struct ipw2100_priv *priv)
4360{
4361 int i;
4362
4363 IPW_DEBUG_INFO("enter\n");
4364
4365 bd_queue_free(priv, &priv->tx_queue);
4366
4367 if (!priv->tx_buffers)
4368 return;
4369
4370 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) {
4371 if (priv->tx_buffers[i].info.d_struct.txb) {
4372 ieee80211_txb_free(priv->tx_buffers[i].info.d_struct.txb);
4373 priv->tx_buffers[i].info.d_struct.txb = NULL;
4374 }
4375 if (priv->tx_buffers[i].info.d_struct.data)
4376 pci_free_consistent(
4377 priv->pci_dev,
4378 sizeof(struct ipw2100_data_header),
4379 priv->tx_buffers[i].info.d_struct.data,
4380 priv->tx_buffers[i].info.d_struct.data_phys);
4381 }
4382
4383 kfree(priv->tx_buffers);
4384 priv->tx_buffers = NULL;
4385
4386 IPW_DEBUG_INFO("exit\n");
4387}
4388
4389
4390
4391static int ipw2100_rx_allocate(struct ipw2100_priv *priv)
4392{
4393 int i, j, err = -EINVAL;
4394
4395 IPW_DEBUG_INFO("enter\n");
4396
4397 err = bd_queue_allocate(priv, &priv->rx_queue, RX_QUEUE_LENGTH);
4398 if (err) {
4399 IPW_DEBUG_INFO("failed bd_queue_allocate\n");
4400 return err;
4401 }
4402
4403 err = status_queue_allocate(priv, RX_QUEUE_LENGTH);
4404 if (err) {
4405 IPW_DEBUG_INFO("failed status_queue_allocate\n");
4406 bd_queue_free(priv, &priv->rx_queue);
4407 return err;
4408 }
4409
4410 /*
4411 * allocate packets
4412 */
4413 priv->rx_buffers = (struct ipw2100_rx_packet *)
4414 kmalloc(RX_QUEUE_LENGTH * sizeof(struct ipw2100_rx_packet),
4415 GFP_KERNEL);
4416 if (!priv->rx_buffers) {
4417 IPW_DEBUG_INFO("can't allocate rx packet buffer table\n");
4418
4419 bd_queue_free(priv, &priv->rx_queue);
4420
4421 status_queue_free(priv);
4422
4423 return -ENOMEM;
4424 }
4425
4426 for (i = 0; i < RX_QUEUE_LENGTH; i++) {
4427 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i];
4428
4429 err = ipw2100_alloc_skb(priv, packet);
4430 if (unlikely(err)) {
4431 err = -ENOMEM;
4432 break;
4433 }
4434
4435 /* The BD holds the cache aligned address */
4436 priv->rx_queue.drv[i].host_addr = packet->dma_addr;
4437 priv->rx_queue.drv[i].buf_length = IPW_RX_NIC_BUFFER_LENGTH;
4438 priv->status_queue.drv[i].status_fields = 0;
4439 }
4440
4441 if (i == RX_QUEUE_LENGTH)
4442 return 0;
4443
4444 for (j = 0; j < i; j++) {
4445 pci_unmap_single(priv->pci_dev, priv->rx_buffers[j].dma_addr,
4446 sizeof(struct ipw2100_rx_packet),
4447 PCI_DMA_FROMDEVICE);
4448 dev_kfree_skb(priv->rx_buffers[j].skb);
4449 }
4450
4451 kfree(priv->rx_buffers);
4452 priv->rx_buffers = NULL;
4453
4454 bd_queue_free(priv, &priv->rx_queue);
4455
4456 status_queue_free(priv);
4457
4458 return err;
4459}
4460
4461static void ipw2100_rx_initialize(struct ipw2100_priv *priv)
4462{
4463 IPW_DEBUG_INFO("enter\n");
4464
4465 priv->rx_queue.oldest = 0;
4466 priv->rx_queue.available = priv->rx_queue.entries - 1;
4467 priv->rx_queue.next = priv->rx_queue.entries - 1;
4468
4469 INIT_STAT(&priv->rxq_stat);
4470 SET_STAT(&priv->rxq_stat, priv->rx_queue.available);
4471
4472 bd_queue_initialize(priv, &priv->rx_queue,
4473 IPW_MEM_HOST_SHARED_RX_BD_BASE,
4474 IPW_MEM_HOST_SHARED_RX_BD_SIZE,
4475 IPW_MEM_HOST_SHARED_RX_READ_INDEX,
4476 IPW_MEM_HOST_SHARED_RX_WRITE_INDEX);
4477
4478 /* set up the status queue */
4479 write_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_STATUS_BASE,
4480 priv->status_queue.nic);
4481
4482 IPW_DEBUG_INFO("exit\n");
4483}
4484
4485static void ipw2100_rx_free(struct ipw2100_priv *priv)
4486{
4487 int i;
4488
4489 IPW_DEBUG_INFO("enter\n");
4490
4491 bd_queue_free(priv, &priv->rx_queue);
4492 status_queue_free(priv);
4493
4494 if (!priv->rx_buffers)
4495 return;
4496
4497 for (i = 0; i < RX_QUEUE_LENGTH; i++) {
4498 if (priv->rx_buffers[i].rxp) {
4499 pci_unmap_single(priv->pci_dev,
4500 priv->rx_buffers[i].dma_addr,
4501 sizeof(struct ipw2100_rx),
4502 PCI_DMA_FROMDEVICE);
4503 dev_kfree_skb(priv->rx_buffers[i].skb);
4504 }
4505 }
4506
4507 kfree(priv->rx_buffers);
4508 priv->rx_buffers = NULL;
4509
4510 IPW_DEBUG_INFO("exit\n");
4511}
4512
4513static int ipw2100_read_mac_address(struct ipw2100_priv *priv)
4514{
4515 u32 length = ETH_ALEN;
4516 u8 mac[ETH_ALEN];
4517
4518 int err;
4519
4520 err = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ADAPTER_MAC,
4521 mac, &length);
4522 if (err) {
4523 IPW_DEBUG_INFO("MAC address read failed\n");
4524 return -EIO;
4525 }
4526 IPW_DEBUG_INFO("card MAC is %02X:%02X:%02X:%02X:%02X:%02X\n",
4527 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4528
4529 memcpy(priv->net_dev->dev_addr, mac, ETH_ALEN);
4530
4531 return 0;
4532}
4533
4534/********************************************************************
4535 *
4536 * Firmware Commands
4537 *
4538 ********************************************************************/
4539
4540int ipw2100_set_mac_address(struct ipw2100_priv *priv, int batch_mode)
4541{
4542 struct host_command cmd = {
4543 .host_command = ADAPTER_ADDRESS,
4544 .host_command_sequence = 0,
4545 .host_command_length = ETH_ALEN
4546 };
4547 int err;
4548
4549 IPW_DEBUG_HC("SET_MAC_ADDRESS\n");
4550
4551 IPW_DEBUG_INFO("enter\n");
4552
4553 if (priv->config & CFG_CUSTOM_MAC) {
4554 memcpy(cmd.host_command_parameters, priv->mac_addr,
4555 ETH_ALEN);
4556 memcpy(priv->net_dev->dev_addr, priv->mac_addr, ETH_ALEN);
4557 } else
4558 memcpy(cmd.host_command_parameters, priv->net_dev->dev_addr,
4559 ETH_ALEN);
4560
4561 err = ipw2100_hw_send_command(priv, &cmd);
4562
4563 IPW_DEBUG_INFO("exit\n");
4564 return err;
4565}
4566
4567int ipw2100_set_port_type(struct ipw2100_priv *priv, u32 port_type,
4568 int batch_mode)
4569{
4570 struct host_command cmd = {
4571 .host_command = PORT_TYPE,
4572 .host_command_sequence = 0,
4573 .host_command_length = sizeof(u32)
4574 };
4575 int err;
4576
4577 switch (port_type) {
4578 case IW_MODE_INFRA:
4579 cmd.host_command_parameters[0] = IPW_BSS;
4580 break;
4581 case IW_MODE_ADHOC:
4582 cmd.host_command_parameters[0] = IPW_IBSS;
4583 break;
4584 }
4585
4586 IPW_DEBUG_HC("PORT_TYPE: %s\n",
4587 port_type == IPW_IBSS ? "Ad-Hoc" : "Managed");
4588
4589 if (!batch_mode) {
4590 err = ipw2100_disable_adapter(priv);
4591 if (err) {
4592 IPW_DEBUG_ERROR("%s: Could not disable adapter %d\n",
4593 priv->net_dev->name, err);
4594 return err;
4595 }
4596 }
4597
4598 /* send cmd to firmware */
4599 err = ipw2100_hw_send_command(priv, &cmd);
4600
4601 if (!batch_mode)
4602 ipw2100_enable_adapter(priv);
4603
4604 return err;
4605}
4606
4607
4608int ipw2100_set_channel(struct ipw2100_priv *priv, u32 channel, int batch_mode)
4609{
4610 struct host_command cmd = {
4611 .host_command = CHANNEL,
4612 .host_command_sequence = 0,
4613 .host_command_length = sizeof(u32)
4614 };
4615 int err;
4616
4617 cmd.host_command_parameters[0] = channel;
4618
4619 IPW_DEBUG_HC("CHANNEL: %d\n", channel);
4620
4621 /* If BSS then we don't support channel selection */
4622 if (priv->ieee->iw_mode == IW_MODE_INFRA)
4623 return 0;
4624
4625 if ((channel != 0) &&
4626 ((channel < REG_MIN_CHANNEL) || (channel > REG_MAX_CHANNEL)))
4627 return -EINVAL;
4628
4629 if (!batch_mode) {
4630 err = ipw2100_disable_adapter(priv);
4631 if (err)
4632 return err;
4633 }
4634
4635 err = ipw2100_hw_send_command(priv, &cmd);
4636 if (err) {
4637 IPW_DEBUG_INFO("Failed to set channel to %d",
4638 channel);
4639 return err;
4640 }
4641
4642 if (channel)
4643 priv->config |= CFG_STATIC_CHANNEL;
4644 else
4645 priv->config &= ~CFG_STATIC_CHANNEL;
4646
4647 priv->channel = channel;
4648
4649 if (!batch_mode) {
4650 err = ipw2100_enable_adapter(priv);
4651 if (err)
4652 return err;
4653 }
4654
4655 return 0;
4656}
4657
4658int ipw2100_system_config(struct ipw2100_priv *priv, int batch_mode)
4659{
4660 struct host_command cmd = {
4661 .host_command = SYSTEM_CONFIG,
4662 .host_command_sequence = 0,
4663 .host_command_length = 12,
4664 };
4665 u32 ibss_mask, len = sizeof(u32);
4666 int err;
4667
4668 /* Set system configuration */
4669
4670 if (!batch_mode) {
4671 err = ipw2100_disable_adapter(priv);
4672 if (err)
4673 return err;
4674 }
4675
4676 if (priv->ieee->iw_mode == IW_MODE_ADHOC)
4677 cmd.host_command_parameters[0] |= IPW_CFG_IBSS_AUTO_START;
4678
4679 cmd.host_command_parameters[0] |= IPW_CFG_IBSS_MASK |
4680 IPW_CFG_BSS_MASK |
4681 IPW_CFG_802_1x_ENABLE;
4682
4683 if (!(priv->config & CFG_LONG_PREAMBLE))
4684 cmd.host_command_parameters[0] |= IPW_CFG_PREAMBLE_AUTO;
4685
4686 err = ipw2100_get_ordinal(priv,
4687 IPW_ORD_EEPROM_IBSS_11B_CHANNELS,
4688 &ibss_mask, &len);
4689 if (err)
4690 ibss_mask = IPW_IBSS_11B_DEFAULT_MASK;
4691
4692 cmd.host_command_parameters[1] = REG_CHANNEL_MASK;
4693 cmd.host_command_parameters[2] = REG_CHANNEL_MASK & ibss_mask;
4694
4695 /* 11b only */
4696 /*cmd.host_command_parameters[0] |= DIVERSITY_ANTENNA_A;*/
4697
4698 err = ipw2100_hw_send_command(priv, &cmd);
4699 if (err)
4700 return err;
4701
4702/* If IPv6 is configured in the kernel then we don't want to filter out all
4703 * of the multicast packets as IPv6 needs some. */
4704#if !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE)
4705 cmd.host_command = ADD_MULTICAST;
4706 cmd.host_command_sequence = 0;
4707 cmd.host_command_length = 0;
4708
4709 ipw2100_hw_send_command(priv, &cmd);
4710#endif
4711 if (!batch_mode) {
4712 err = ipw2100_enable_adapter(priv);
4713 if (err)
4714 return err;
4715 }
4716
4717 return 0;
4718}
4719
4720int ipw2100_set_tx_rates(struct ipw2100_priv *priv, u32 rate, int batch_mode)
4721{
4722 struct host_command cmd = {
4723 .host_command = BASIC_TX_RATES,
4724 .host_command_sequence = 0,
4725 .host_command_length = 4
4726 };
4727 int err;
4728
4729 cmd.host_command_parameters[0] = rate & TX_RATE_MASK;
4730
4731 if (!batch_mode) {
4732 err = ipw2100_disable_adapter(priv);
4733 if (err)
4734 return err;
4735 }
4736
4737 /* Set BASIC TX Rate first */
4738 ipw2100_hw_send_command(priv, &cmd);
4739
4740 /* Set TX Rate */
4741 cmd.host_command = TX_RATES;
4742 ipw2100_hw_send_command(priv, &cmd);
4743
4744 /* Set MSDU TX Rate */
4745 cmd.host_command = MSDU_TX_RATES;
4746 ipw2100_hw_send_command(priv, &cmd);
4747
4748 if (!batch_mode) {
4749 err = ipw2100_enable_adapter(priv);
4750 if (err)
4751 return err;
4752 }
4753
4754 priv->tx_rates = rate;
4755
4756 return 0;
4757}
4758
4759int ipw2100_set_power_mode(struct ipw2100_priv *priv,
4760 int power_level)
4761{
4762 struct host_command cmd = {
4763 .host_command = POWER_MODE,
4764 .host_command_sequence = 0,
4765 .host_command_length = 4
4766 };
4767 int err;
4768
4769 cmd.host_command_parameters[0] = power_level;
4770
4771 err = ipw2100_hw_send_command(priv, &cmd);
4772 if (err)
4773 return err;
4774
4775 if (power_level == IPW_POWER_MODE_CAM)
4776 priv->power_mode = IPW_POWER_LEVEL(priv->power_mode);
4777 else
4778 priv->power_mode = IPW_POWER_ENABLED | power_level;
4779
4780#ifdef CONFIG_IPW2100_TX_POWER
4781 if (priv->port_type == IBSS &&
4782 priv->adhoc_power != DFTL_IBSS_TX_POWER) {
4783 /* Set beacon interval */
4784 cmd.host_command = TX_POWER_INDEX;
4785 cmd.host_command_parameters[0] = (u32)priv->adhoc_power;
4786
4787 err = ipw2100_hw_send_command(priv, &cmd);
4788 if (err)
4789 return err;
4790 }
4791#endif
4792
4793 return 0;
4794}
4795
4796
4797int ipw2100_set_rts_threshold(struct ipw2100_priv *priv, u32 threshold)
4798{
4799 struct host_command cmd = {
4800 .host_command = RTS_THRESHOLD,
4801 .host_command_sequence = 0,
4802 .host_command_length = 4
4803 };
4804 int err;
4805
4806 if (threshold & RTS_DISABLED)
4807 cmd.host_command_parameters[0] = MAX_RTS_THRESHOLD;
4808 else
4809 cmd.host_command_parameters[0] = threshold & ~RTS_DISABLED;
4810
4811 err = ipw2100_hw_send_command(priv, &cmd);
4812 if (err)
4813 return err;
4814
4815 priv->rts_threshold = threshold;
4816
4817 return 0;
4818}
4819
4820#if 0
4821int ipw2100_set_fragmentation_threshold(struct ipw2100_priv *priv,
4822 u32 threshold, int batch_mode)
4823{
4824 struct host_command cmd = {
4825 .host_command = FRAG_THRESHOLD,
4826 .host_command_sequence = 0,
4827 .host_command_length = 4,
4828 .host_command_parameters[0] = 0,
4829 };
4830 int err;
4831
4832 if (!batch_mode) {
4833 err = ipw2100_disable_adapter(priv);
4834 if (err)
4835 return err;
4836 }
4837
4838 if (threshold == 0)
4839 threshold = DEFAULT_FRAG_THRESHOLD;
4840 else {
4841 threshold = max(threshold, MIN_FRAG_THRESHOLD);
4842 threshold = min(threshold, MAX_FRAG_THRESHOLD);
4843 }
4844
4845 cmd.host_command_parameters[0] = threshold;
4846
4847 IPW_DEBUG_HC("FRAG_THRESHOLD: %u\n", threshold);
4848
4849 err = ipw2100_hw_send_command(priv, &cmd);
4850
4851 if (!batch_mode)
4852 ipw2100_enable_adapter(priv);
4853
4854 if (!err)
4855 priv->frag_threshold = threshold;
4856
4857 return err;
4858}
4859#endif
4860
4861int ipw2100_set_short_retry(struct ipw2100_priv *priv, u32 retry)
4862{
4863 struct host_command cmd = {
4864 .host_command = SHORT_RETRY_LIMIT,
4865 .host_command_sequence = 0,
4866 .host_command_length = 4
4867 };
4868 int err;
4869
4870 cmd.host_command_parameters[0] = retry;
4871
4872 err = ipw2100_hw_send_command(priv, &cmd);
4873 if (err)
4874 return err;
4875
4876 priv->short_retry_limit = retry;
4877
4878 return 0;
4879}
4880
4881int ipw2100_set_long_retry(struct ipw2100_priv *priv, u32 retry)
4882{
4883 struct host_command cmd = {
4884 .host_command = LONG_RETRY_LIMIT,
4885 .host_command_sequence = 0,
4886 .host_command_length = 4
4887 };
4888 int err;
4889
4890 cmd.host_command_parameters[0] = retry;
4891
4892 err = ipw2100_hw_send_command(priv, &cmd);
4893 if (err)
4894 return err;
4895
4896 priv->long_retry_limit = retry;
4897
4898 return 0;
4899}
4900
4901
4902int ipw2100_set_mandatory_bssid(struct ipw2100_priv *priv, u8 *bssid,
4903 int batch_mode)
4904{
4905 struct host_command cmd = {
4906 .host_command = MANDATORY_BSSID,
4907 .host_command_sequence = 0,
4908 .host_command_length = (bssid == NULL) ? 0 : ETH_ALEN
4909 };
4910 int err;
4911
4912#ifdef CONFIG_IPW_DEBUG
4913 if (bssid != NULL)
4914 IPW_DEBUG_HC(
4915 "MANDATORY_BSSID: %02X:%02X:%02X:%02X:%02X:%02X\n",
4916 bssid[0], bssid[1], bssid[2], bssid[3], bssid[4],
4917 bssid[5]);
4918 else
4919 IPW_DEBUG_HC("MANDATORY_BSSID: <clear>\n");
4920#endif
4921 /* if BSSID is empty then we disable mandatory bssid mode */
4922 if (bssid != NULL)
4923 memcpy((u8 *)cmd.host_command_parameters, bssid, ETH_ALEN);
4924
4925 if (!batch_mode) {
4926 err = ipw2100_disable_adapter(priv);
4927 if (err)
4928 return err;
4929 }
4930
4931 err = ipw2100_hw_send_command(priv, &cmd);
4932
4933 if (!batch_mode)
4934 ipw2100_enable_adapter(priv);
4935
4936 return err;
4937}
4938
4939#ifdef CONFIG_IEEE80211_WPA
4940static int ipw2100_disassociate_bssid(struct ipw2100_priv *priv)
4941{
4942 struct host_command cmd = {
4943 .host_command = DISASSOCIATION_BSSID,
4944 .host_command_sequence = 0,
4945 .host_command_length = ETH_ALEN
4946 };
4947 int err;
4948 int len;
4949
4950 IPW_DEBUG_HC("DISASSOCIATION_BSSID\n");
4951
4952 len = ETH_ALEN;
4953 /* The Firmware currently ignores the BSSID and just disassociates from
4954 * the currently associated AP -- but in the off chance that a future
4955 * firmware does use the BSSID provided here, we go ahead and try and
4956 * set it to the currently associated AP's BSSID */
4957 memcpy(cmd.host_command_parameters, priv->bssid, ETH_ALEN);
4958
4959 err = ipw2100_hw_send_command(priv, &cmd);
4960
4961 return err;
4962}
4963#endif
4964
4965/*
4966 * Pseudo code for setting up wpa_frame:
4967 */
4968#if 0
4969void x(struct ieee80211_assoc_frame *wpa_assoc)
4970{
4971 struct ipw2100_wpa_assoc_frame frame;
4972 frame->fixed_ie_mask = IPW_WPA_CAPABILTIES |
4973 IPW_WPA_LISTENINTERVAL |
4974 IPW_WPA_AP_ADDRESS;
4975 frame->capab_info = wpa_assoc->capab_info;
4976 frame->lisen_interval = wpa_assoc->listent_interval;
4977 memcpy(frame->current_ap, wpa_assoc->current_ap, ETH_ALEN);
4978
4979 /* UNKNOWN -- I'm not postivive about this part; don't have any WPA
4980 * setup here to test it with.
4981 *
4982 * Walk the IEs in the wpa_assoc and figure out the total size of all
4983 * that data. Stick that into frame->var_ie_len. Then memcpy() all of
4984 * the IEs from wpa_frame into frame.
4985 */
4986 frame->var_ie_len = calculate_ie_len(wpa_assoc);
4987 memcpy(frame->var_ie, wpa_assoc->variable, frame->var_ie_len);
4988
4989 ipw2100_set_wpa_ie(priv, &frame, 0);
4990}
4991#endif
4992
4993
4994
4995
4996static int ipw2100_set_wpa_ie(struct ipw2100_priv *,
4997 struct ipw2100_wpa_assoc_frame *, int)
4998__attribute__ ((unused));
4999
5000static int ipw2100_set_wpa_ie(struct ipw2100_priv *priv,
5001 struct ipw2100_wpa_assoc_frame *wpa_frame,
5002 int batch_mode)
5003{
5004 struct host_command cmd = {
5005 .host_command = SET_WPA_IE,
5006 .host_command_sequence = 0,
5007 .host_command_length = sizeof(struct ipw2100_wpa_assoc_frame),
5008 };
5009 int err;
5010
5011 IPW_DEBUG_HC("SET_WPA_IE\n");
5012
5013 if (!batch_mode) {
5014 err = ipw2100_disable_adapter(priv);
5015 if (err)
5016 return err;
5017 }
5018
5019 memcpy(cmd.host_command_parameters, wpa_frame,
5020 sizeof(struct ipw2100_wpa_assoc_frame));
5021
5022 err = ipw2100_hw_send_command(priv, &cmd);
5023
5024 if (!batch_mode) {
5025 if (ipw2100_enable_adapter(priv))
5026 err = -EIO;
5027 }
5028
5029 return err;
5030}
5031
5032struct security_info_params {
5033 u32 allowed_ciphers;
5034 u16 version;
5035 u8 auth_mode;
5036 u8 replay_counters_number;
5037 u8 unicast_using_group;
5038} __attribute__ ((packed));
5039
5040int ipw2100_set_security_information(struct ipw2100_priv *priv,
5041 int auth_mode,
5042 int security_level,
5043 int unicast_using_group,
5044 int batch_mode)
5045{
5046 struct host_command cmd = {
5047 .host_command = SET_SECURITY_INFORMATION,
5048 .host_command_sequence = 0,
5049 .host_command_length = sizeof(struct security_info_params)
5050 };
5051 struct security_info_params *security =
5052 (struct security_info_params *)&cmd.host_command_parameters;
5053 int err;
5054 memset(security, 0, sizeof(*security));
5055
5056 /* If shared key AP authentication is turned on, then we need to
5057 * configure the firmware to try and use it.
5058 *
5059 * Actual data encryption/decryption is handled by the host. */
5060 security->auth_mode = auth_mode;
5061 security->unicast_using_group = unicast_using_group;
5062
5063 switch (security_level) {
5064 default:
5065 case SEC_LEVEL_0:
5066 security->allowed_ciphers = IPW_NONE_CIPHER;
5067 break;
5068 case SEC_LEVEL_1:
5069 security->allowed_ciphers = IPW_WEP40_CIPHER |
5070 IPW_WEP104_CIPHER;
5071 break;
5072 case SEC_LEVEL_2:
5073 security->allowed_ciphers = IPW_WEP40_CIPHER |
5074 IPW_WEP104_CIPHER | IPW_TKIP_CIPHER;
5075 break;
5076 case SEC_LEVEL_2_CKIP:
5077 security->allowed_ciphers = IPW_WEP40_CIPHER |
5078 IPW_WEP104_CIPHER | IPW_CKIP_CIPHER;
5079 break;
5080 case SEC_LEVEL_3:
5081 security->allowed_ciphers = IPW_WEP40_CIPHER |
5082 IPW_WEP104_CIPHER | IPW_TKIP_CIPHER | IPW_CCMP_CIPHER;
5083 break;
5084 }
5085
5086 IPW_DEBUG_HC(
5087 "SET_SECURITY_INFORMATION: auth:%d cipher:0x%02X (level %d)\n",
5088 security->auth_mode, security->allowed_ciphers, security_level);
5089
5090 security->replay_counters_number = 0;
5091
5092 if (!batch_mode) {
5093 err = ipw2100_disable_adapter(priv);
5094 if (err)
5095 return err;
5096 }
5097
5098 err = ipw2100_hw_send_command(priv, &cmd);
5099
5100 if (!batch_mode)
5101 ipw2100_enable_adapter(priv);
5102
5103 return err;
5104}
5105
5106int ipw2100_set_tx_power(struct ipw2100_priv *priv,
5107 u32 tx_power)
5108{
5109 struct host_command cmd = {
5110 .host_command = TX_POWER_INDEX,
5111 .host_command_sequence = 0,
5112 .host_command_length = 4
5113 };
5114 int err = 0;
5115
5116 cmd.host_command_parameters[0] = tx_power;
5117
5118 if (priv->ieee->iw_mode == IW_MODE_ADHOC)
5119 err = ipw2100_hw_send_command(priv, &cmd);
5120 if (!err)
5121 priv->tx_power = tx_power;
5122
5123 return 0;
5124}
5125
5126int ipw2100_set_ibss_beacon_interval(struct ipw2100_priv *priv,
5127 u32 interval, int batch_mode)
5128{
5129 struct host_command cmd = {
5130 .host_command = BEACON_INTERVAL,
5131 .host_command_sequence = 0,
5132 .host_command_length = 4
5133 };
5134 int err;
5135
5136 cmd.host_command_parameters[0] = interval;
5137
5138 IPW_DEBUG_INFO("enter\n");
5139
5140 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
5141 if (!batch_mode) {
5142 err = ipw2100_disable_adapter(priv);
5143 if (err)
5144 return err;
5145 }
5146
5147 ipw2100_hw_send_command(priv, &cmd);
5148
5149 if (!batch_mode) {
5150 err = ipw2100_enable_adapter(priv);
5151 if (err)
5152 return err;
5153 }
5154 }
5155
5156 IPW_DEBUG_INFO("exit\n");
5157
5158 return 0;
5159}
5160
5161
5162void ipw2100_queues_initialize(struct ipw2100_priv *priv)
5163{
5164 ipw2100_tx_initialize(priv);
5165 ipw2100_rx_initialize(priv);
5166 ipw2100_msg_initialize(priv);
5167}
5168
5169void ipw2100_queues_free(struct ipw2100_priv *priv)
5170{
5171 ipw2100_tx_free(priv);
5172 ipw2100_rx_free(priv);
5173 ipw2100_msg_free(priv);
5174}
5175
5176int ipw2100_queues_allocate(struct ipw2100_priv *priv)
5177{
5178 if (ipw2100_tx_allocate(priv) ||
5179 ipw2100_rx_allocate(priv) ||
5180 ipw2100_msg_allocate(priv))
5181 goto fail;
5182
5183 return 0;
5184
5185 fail:
5186 ipw2100_tx_free(priv);
5187 ipw2100_rx_free(priv);
5188 ipw2100_msg_free(priv);
5189 return -ENOMEM;
5190}
5191
5192#define IPW_PRIVACY_CAPABLE 0x0008
5193
5194static int ipw2100_set_wep_flags(struct ipw2100_priv *priv, u32 flags,
5195 int batch_mode)
5196{
5197 struct host_command cmd = {
5198 .host_command = WEP_FLAGS,
5199 .host_command_sequence = 0,
5200 .host_command_length = 4
5201 };
5202 int err;
5203
5204 cmd.host_command_parameters[0] = flags;
5205
5206 IPW_DEBUG_HC("WEP_FLAGS: flags = 0x%08X\n", flags);
5207
5208 if (!batch_mode) {
5209 err = ipw2100_disable_adapter(priv);
5210 if (err) {
5211 IPW_DEBUG_ERROR("%s: Could not disable adapter %d\n",
5212 priv->net_dev->name, err);
5213 return err;
5214 }
5215 }
5216
5217 /* send cmd to firmware */
5218 err = ipw2100_hw_send_command(priv, &cmd);
5219
5220 if (!batch_mode)
5221 ipw2100_enable_adapter(priv);
5222
5223 return err;
5224}
5225
5226struct ipw2100_wep_key {
5227 u8 idx;
5228 u8 len;
5229 u8 key[13];
5230};
5231
5232/* Macros to ease up priting WEP keys */
5233#define WEP_FMT_64 "%02X%02X%02X%02X-%02X"
5234#define WEP_FMT_128 "%02X%02X%02X%02X-%02X%02X%02X%02X-%02X%02X%02X"
5235#define WEP_STR_64(x) x[0],x[1],x[2],x[3],x[4]
5236#define WEP_STR_128(x) x[0],x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10]
5237
5238
5239/**
5240 * Set a the wep key
5241 *
5242 * @priv: struct to work on
5243 * @idx: index of the key we want to set
5244 * @key: ptr to the key data to set
5245 * @len: length of the buffer at @key
5246 * @batch_mode: FIXME perform the operation in batch mode, not
5247 * disabling the device.
5248 *
5249 * @returns 0 if OK, < 0 errno code on error.
5250 *
5251 * Fill out a command structure with the new wep key, length an
5252 * index and send it down the wire.
5253 */
5254static int ipw2100_set_key(struct ipw2100_priv *priv,
5255 int idx, char *key, int len, int batch_mode)
5256{
5257 int keylen = len ? (len <= 5 ? 5 : 13) : 0;
5258 struct host_command cmd = {
5259 .host_command = WEP_KEY_INFO,
5260 .host_command_sequence = 0,
5261 .host_command_length = sizeof(struct ipw2100_wep_key),
5262 };
5263 struct ipw2100_wep_key *wep_key = (void*)cmd.host_command_parameters;
5264 int err;
5265
5266 IPW_DEBUG_HC("WEP_KEY_INFO: index = %d, len = %d/%d\n",
5267 idx, keylen, len);
5268
5269 /* NOTE: We don't check cached values in case the firmware was reset
5270 * or some other problem is occuring. If the user is setting the key,
5271 * then we push the change */
5272
5273 wep_key->idx = idx;
5274 wep_key->len = keylen;
5275
5276 if (keylen) {
5277 memcpy(wep_key->key, key, len);
5278 memset(wep_key->key + len, 0, keylen - len);
5279 }
5280
5281 /* Will be optimized out on debug not being configured in */
5282 if (keylen == 0)
5283 IPW_DEBUG_WEP("%s: Clearing key %d\n",
5284 priv->net_dev->name, wep_key->idx);
5285 else if (keylen == 5)
5286 IPW_DEBUG_WEP("%s: idx: %d, len: %d key: " WEP_FMT_64 "\n",
5287 priv->net_dev->name, wep_key->idx, wep_key->len,
5288 WEP_STR_64(wep_key->key));
5289 else
5290 IPW_DEBUG_WEP("%s: idx: %d, len: %d key: " WEP_FMT_128
5291 "\n",
5292 priv->net_dev->name, wep_key->idx, wep_key->len,
5293 WEP_STR_128(wep_key->key));
5294
5295 if (!batch_mode) {
5296 err = ipw2100_disable_adapter(priv);
5297 /* FIXME: IPG: shouldn't this prink be in _disable_adapter()? */
5298 if (err) {
5299 IPW_DEBUG_ERROR("%s: Could not disable adapter %d\n",
5300 priv->net_dev->name, err);
5301 return err;
5302 }
5303 }
5304
5305 /* send cmd to firmware */
5306 err = ipw2100_hw_send_command(priv, &cmd);
5307
5308 if (!batch_mode) {
5309 int err2 = ipw2100_enable_adapter(priv);
5310 if (err == 0)
5311 err = err2;
5312 }
5313 return err;
5314}
5315
5316static int ipw2100_set_key_index(struct ipw2100_priv *priv,
5317 int idx, int batch_mode)
5318{
5319 struct host_command cmd = {
5320 .host_command = WEP_KEY_INDEX,
5321 .host_command_sequence = 0,
5322 .host_command_length = 4,
011fe95a 5323 .host_command_parameters = { idx },
2c86c275
JK		 5324 };
5325 int err;
5326
5327 IPW_DEBUG_HC("WEP_KEY_INDEX: index = %d\n", idx);
5328
5329 if (idx < 0 || idx > 3)
5330 return -EINVAL;
5331
5332 if (!batch_mode) {
5333 err = ipw2100_disable_adapter(priv);
5334 if (err) {
5335 IPW_DEBUG_ERROR("%s: Could not disable adapter %d\n",
5336 priv->net_dev->name, err);
5337 return err;
5338 }
5339 }
5340
5341 /* send cmd to firmware */
5342 err = ipw2100_hw_send_command(priv, &cmd);
5343
5344 if (!batch_mode)
5345 ipw2100_enable_adapter(priv);
5346
5347 return err;
5348}
5349
5350
5351static int ipw2100_configure_security(struct ipw2100_priv *priv,
5352 int batch_mode)
5353{
5354 int i, err, auth_mode, sec_level, use_group;
5355
5356 if (!(priv->status & STATUS_RUNNING))
5357 return 0;
5358
5359 if (!batch_mode) {
5360 err = ipw2100_disable_adapter(priv);
5361 if (err)
5362 return err;
5363 }
5364
5365 if (!priv->sec.enabled) {
5366 err = ipw2100_set_security_information(
5367 priv, IPW_AUTH_OPEN, SEC_LEVEL_0, 0, 1);
5368 } else {
5369 auth_mode = IPW_AUTH_OPEN;
5370 if ((priv->sec.flags & SEC_AUTH_MODE) &&
5371 (priv->sec.auth_mode == WLAN_AUTH_SHARED_KEY))
5372 auth_mode = IPW_AUTH_SHARED;
5373
5374 sec_level = SEC_LEVEL_0;
5375 if (priv->sec.flags & SEC_LEVEL)
5376 sec_level = priv->sec.level;
5377
5378 use_group = 0;
5379 if (priv->sec.flags & SEC_UNICAST_GROUP)
5380 use_group = priv->sec.unicast_uses_group;
5381
5382 err = ipw2100_set_security_information(
5383 priv, auth_mode, sec_level, use_group, 1);
5384 }
5385
5386 if (err)
5387 goto exit;
5388
5389 if (priv->sec.enabled) {
5390 for (i = 0; i < 4; i++) {
5391 if (!(priv->sec.flags & (1 << i))) {
5392 memset(priv->sec.keys[i], 0, WEP_KEY_LEN);
5393 priv->sec.key_sizes[i] = 0;
5394 } else {
5395 err = ipw2100_set_key(priv, i,
5396 priv->sec.keys[i],
5397 priv->sec.key_sizes[i],
5398 1);
5399 if (err)
5400 goto exit;
5401 }
5402 }
5403
5404 ipw2100_set_key_index(priv, priv->ieee->tx_keyidx, 1);
5405 }
5406
5407 /* Always enable privacy so the Host can filter WEP packets if
5408 * encrypted data is sent up */
5409 err = ipw2100_set_wep_flags(
5410 priv, priv->sec.enabled ? IPW_PRIVACY_CAPABLE : 0, 1);
5411 if (err)
5412 goto exit;
5413
5414 priv->status &= ~STATUS_SECURITY_UPDATED;
5415
5416 exit:
5417 if (!batch_mode)
5418 ipw2100_enable_adapter(priv);
5419
5420 return err;
5421}
5422
5423static void ipw2100_security_work(struct ipw2100_priv *priv)
5424{
5425 /* If we happen to have reconnected before we get a chance to
5426 * process this, then update the security settings--which causes
5427 * a disassociation to occur */
5428 if (!(priv->status & STATUS_ASSOCIATED) &&
5429 priv->status & STATUS_SECURITY_UPDATED)
5430 ipw2100_configure_security(priv, 0);
5431}
5432
5433static void shim__set_security(struct net_device *dev,
5434 struct ieee80211_security *sec)
5435{
5436 struct ipw2100_priv *priv = ieee80211_priv(dev);
5437 int i, force_update = 0;
5438
5439 down(&priv->action_sem);
5440 if (!(priv->status & STATUS_INITIALIZED))
5441 goto done;
5442
5443 for (i = 0; i < 4; i++) {
5444 if (sec->flags & (1 << i)) {
5445 priv->sec.key_sizes[i] = sec->key_sizes[i];
5446 if (sec->key_sizes[i] == 0)
5447 priv->sec.flags &= ~(1 << i);
5448 else
5449 memcpy(priv->sec.keys[i], sec->keys[i],
5450 sec->key_sizes[i]);
5451 priv->sec.flags |= (1 << i);
5452 priv->status |= STATUS_SECURITY_UPDATED;
5453 }
5454 }
5455
5456 if ((sec->flags & SEC_ACTIVE_KEY) &&
5457 priv->sec.active_key != sec->active_key) {
5458 if (sec->active_key <= 3) {
5459 priv->sec.active_key = sec->active_key;
5460 priv->sec.flags |= SEC_ACTIVE_KEY;
5461 } else
5462 priv->sec.flags &= ~SEC_ACTIVE_KEY;
5463
5464 priv->status |= STATUS_SECURITY_UPDATED;
5465 }
5466
5467 if ((sec->flags & SEC_AUTH_MODE) &&
5468 (priv->sec.auth_mode != sec->auth_mode)) {
5469 priv->sec.auth_mode = sec->auth_mode;
5470 priv->sec.flags |= SEC_AUTH_MODE;
5471 priv->status |= STATUS_SECURITY_UPDATED;
5472 }
5473
5474 if (sec->flags & SEC_ENABLED &&
5475 priv->sec.enabled != sec->enabled) {
5476 priv->sec.flags |= SEC_ENABLED;
5477 priv->sec.enabled = sec->enabled;
5478 priv->status |= STATUS_SECURITY_UPDATED;
5479 force_update = 1;
5480 }
5481
5482 if (sec->flags & SEC_LEVEL &&
5483 priv->sec.level != sec->level) {
5484 priv->sec.level = sec->level;
5485 priv->sec.flags |= SEC_LEVEL;
5486 priv->status |= STATUS_SECURITY_UPDATED;
5487 }
5488
5489 IPW_DEBUG_WEP("Security flags: %c %c%c%c%c %c%c%c%c\n",
5490 priv->sec.flags & (1<<8) ? '1' : '0',
5491 priv->sec.flags & (1<<7) ? '1' : '0',
5492 priv->sec.flags & (1<<6) ? '1' : '0',
5493 priv->sec.flags & (1<<5) ? '1' : '0',
5494 priv->sec.flags & (1<<4) ? '1' : '0',
5495 priv->sec.flags & (1<<3) ? '1' : '0',
5496 priv->sec.flags & (1<<2) ? '1' : '0',
5497 priv->sec.flags & (1<<1) ? '1' : '0',
5498 priv->sec.flags & (1<<0) ? '1' : '0');
5499
5500/* As a temporary work around to enable WPA until we figure out why
5501 * wpa_supplicant toggles the security capability of the driver, which
5502 * forces a disassocation with force_update...
5503 *
5504 * if (force_update || !(priv->status & STATUS_ASSOCIATED))*/
5505 if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)))
5506 ipw2100_configure_security(priv, 0);
5507done:
5508 up(&priv->action_sem);
5509}
5510
5511static int ipw2100_adapter_setup(struct ipw2100_priv *priv)
5512{
5513 int err;
5514 int batch_mode = 1;
5515 u8 *bssid;
5516
5517 IPW_DEBUG_INFO("enter\n");
5518
5519 err = ipw2100_disable_adapter(priv);
5520 if (err)
5521 return err;
5522#ifdef CONFIG_IPW2100_MONITOR
5523 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
5524 err = ipw2100_set_channel(priv, priv->channel, batch_mode);
5525 if (err)
5526 return err;
5527
5528 IPW_DEBUG_INFO("exit\n");
5529
5530 return 0;
5531 }
5532#endif /* CONFIG_IPW2100_MONITOR */
5533
5534 err = ipw2100_read_mac_address(priv);
5535 if (err)
5536 return -EIO;
5537
5538 err = ipw2100_set_mac_address(priv, batch_mode);
5539 if (err)
5540 return err;
5541
5542 err = ipw2100_set_port_type(priv, priv->ieee->iw_mode, batch_mode);
5543 if (err)
5544 return err;
5545
5546 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
5547 err = ipw2100_set_channel(priv, priv->channel, batch_mode);
5548 if (err)
5549 return err;
5550 }
5551
5552 err = ipw2100_system_config(priv, batch_mode);
5553 if (err)
5554 return err;
5555
5556 err = ipw2100_set_tx_rates(priv, priv->tx_rates, batch_mode);
5557 if (err)
5558 return err;
5559
5560 /* Default to power mode OFF */
5561 err = ipw2100_set_power_mode(priv, IPW_POWER_MODE_CAM);
5562 if (err)
5563 return err;
5564
5565 err = ipw2100_set_rts_threshold(priv, priv->rts_threshold);
5566 if (err)
5567 return err;
5568
5569 if (priv->config & CFG_STATIC_BSSID)
5570 bssid = priv->bssid;
5571 else
5572 bssid = NULL;
5573 err = ipw2100_set_mandatory_bssid(priv, bssid, batch_mode);
5574 if (err)
5575 return err;
5576
5577 if (priv->config & CFG_STATIC_ESSID)
5578 err = ipw2100_set_essid(priv, priv->essid, priv->essid_len,
5579 batch_mode);
5580 else
5581 err = ipw2100_set_essid(priv, NULL, 0, batch_mode);
5582 if (err)
5583 return err;
5584
5585 err = ipw2100_configure_security(priv, batch_mode);
5586 if (err)
5587 return err;
5588
5589 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
5590 err = ipw2100_set_ibss_beacon_interval(
5591 priv, priv->beacon_interval, batch_mode);
5592 if (err)
5593 return err;
5594
5595 err = ipw2100_set_tx_power(priv, priv->tx_power);
5596 if (err)
5597 return err;
5598 }
5599
5600 /*
5601 err = ipw2100_set_fragmentation_threshold(
5602 priv, priv->frag_threshold, batch_mode);
5603 if (err)
5604 return err;
5605 */
5606
5607 IPW_DEBUG_INFO("exit\n");
5608
5609 return 0;
5610}
5611
5612
5613/*************************************************************************
5614 *
5615 * EXTERNALLY CALLED METHODS
5616 *
5617 *************************************************************************/
5618
5619/* This method is called by the network layer -- not to be confused with
5620 * ipw2100_set_mac_address() declared above called by this driver (and this
5621 * method as well) to talk to the firmware */
5622static int ipw2100_set_address(struct net_device *dev, void *p)
5623{
5624 struct ipw2100_priv *priv = ieee80211_priv(dev);
5625 struct sockaddr *addr = p;
5626 int err = 0;
5627
5628 if (!is_valid_ether_addr(addr->sa_data))
5629 return -EADDRNOTAVAIL;
5630
5631 down(&priv->action_sem);
5632
5633 priv->config |= CFG_CUSTOM_MAC;
5634 memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
5635
5636 err = ipw2100_set_mac_address(priv, 0);
5637 if (err)
5638 goto done;
5639
5640 priv->reset_backoff = 0;
5641 up(&priv->action_sem);
5642 ipw2100_reset_adapter(priv);
5643 return 0;
5644
5645 done:
5646 up(&priv->action_sem);
5647 return err;
5648}
5649
5650static int ipw2100_open(struct net_device *dev)
5651{
5652 struct ipw2100_priv *priv = ieee80211_priv(dev);
5653 unsigned long flags;
5654 IPW_DEBUG_INFO("dev->open\n");
5655
5656 spin_lock_irqsave(&priv->low_lock, flags);
5657 if (priv->status & STATUS_ASSOCIATED)
5658 netif_start_queue(dev);
5659 spin_unlock_irqrestore(&priv->low_lock, flags);
5660
5661 return 0;
5662}
5663
5664static int ipw2100_close(struct net_device *dev)
5665{
5666 struct ipw2100_priv *priv = ieee80211_priv(dev);
5667 unsigned long flags;
5668 struct list_head *element;
5669 struct ipw2100_tx_packet *packet;
5670
5671 IPW_DEBUG_INFO("enter\n");
5672
5673 spin_lock_irqsave(&priv->low_lock, flags);
5674
5675 if (priv->status & STATUS_ASSOCIATED)
5676 netif_carrier_off(dev);
5677 netif_stop_queue(dev);
5678
5679 /* Flush the TX queue ... */
5680 while (!list_empty(&priv->tx_pend_list)) {
5681 element = priv->tx_pend_list.next;
5682 packet = list_entry(element, struct ipw2100_tx_packet, list);
5683
5684 list_del(element);
5685 DEC_STAT(&priv->tx_pend_stat);
5686
5687 ieee80211_txb_free(packet->info.d_struct.txb);
5688 packet->info.d_struct.txb = NULL;
5689
5690 list_add_tail(element, &priv->tx_free_list);
5691 INC_STAT(&priv->tx_free_stat);
5692 }
5693 spin_unlock_irqrestore(&priv->low_lock, flags);
5694
5695 IPW_DEBUG_INFO("exit\n");
5696
5697 return 0;
5698}
5699
5700
5701
5702/*
5703 * TODO: Fix this function... its just wrong
5704 */
5705static void ipw2100_tx_timeout(struct net_device *dev)
5706{
5707 struct ipw2100_priv *priv = ieee80211_priv(dev);
5708
5709 priv->ieee->stats.tx_errors++;
5710
5711#ifdef CONFIG_IPW2100_MONITOR
5712 if (priv->ieee->iw_mode == IW_MODE_MONITOR)
5713 return;
5714#endif
5715
5716 IPW_DEBUG_INFO("%s: TX timed out. Scheduling firmware restart.\n",
5717 dev->name);
5718 schedule_reset(priv);
5719}
5720
5721
5722/*
5723 * TODO: reimplement it so that it reads statistics
5724 * from the adapter using ordinal tables
5725 * instead of/in addition to collecting them
5726 * in the driver
5727 */
5728static struct net_device_stats *ipw2100_stats(struct net_device *dev)
5729{
5730 struct ipw2100_priv *priv = ieee80211_priv(dev);
5731
5732 return &priv->ieee->stats;
5733}
5734
5735/* Support for wpa_supplicant. Will be replaced with WEXT once
5736 * they get WPA support. */
5737#ifdef CONFIG_IEEE80211_WPA
5738
5739/* following definitions must match definitions in driver_ipw2100.c */
5740
5741#define IPW2100_IOCTL_WPA_SUPPLICANT SIOCIWFIRSTPRIV+30
5742
5743#define IPW2100_CMD_SET_WPA_PARAM 1
5744#define IPW2100_CMD_SET_WPA_IE 2
5745#define IPW2100_CMD_SET_ENCRYPTION 3
5746#define IPW2100_CMD_MLME 4
5747
5748#define IPW2100_PARAM_WPA_ENABLED 1
5749#define IPW2100_PARAM_TKIP_COUNTERMEASURES 2
5750#define IPW2100_PARAM_DROP_UNENCRYPTED 3
5751#define IPW2100_PARAM_PRIVACY_INVOKED 4
5752#define IPW2100_PARAM_AUTH_ALGS 5
5753#define IPW2100_PARAM_IEEE_802_1X 6
5754
5755#define IPW2100_MLME_STA_DEAUTH 1
5756#define IPW2100_MLME_STA_DISASSOC 2
5757
5758#define IPW2100_CRYPT_ERR_UNKNOWN_ALG 2
5759#define IPW2100_CRYPT_ERR_UNKNOWN_ADDR 3
5760#define IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED 4
5761#define IPW2100_CRYPT_ERR_KEY_SET_FAILED 5
5762#define IPW2100_CRYPT_ERR_TX_KEY_SET_FAILED 6
5763#define IPW2100_CRYPT_ERR_CARD_CONF_FAILED 7
5764
5765#define IPW2100_CRYPT_ALG_NAME_LEN 16
5766
5767struct ipw2100_param {
5768 u32 cmd;
5769 u8 sta_addr[ETH_ALEN];
5770 union {
5771 struct {
5772 u8 name;
5773 u32 value;
5774 } wpa_param;
5775 struct {
5776 u32 len;
5777 u8 *data;
5778 } wpa_ie;
5779 struct{
5780 int command;
5781 int reason_code;
5782 } mlme;
5783 struct {
5784 u8 alg[IPW2100_CRYPT_ALG_NAME_LEN];
5785 u8 set_tx;
5786 u32 err;
5787 u8 idx;
5788 u8 seq[8]; /* sequence counter (set: RX, get: TX) */
5789 u16 key_len;
5790 u8 key[0];
5791 } crypt;
5792
5793 } u;
5794};
5795
5796/* end of driver_ipw2100.c code */
5797
5798static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value){
5799
5800 struct ieee80211_device *ieee = priv->ieee;
5801 struct ieee80211_security sec = {
5802 .flags = SEC_LEVEL | SEC_ENABLED,
5803 };
5804 int ret = 0;
5805
5806 ieee->wpa_enabled = value;
5807
5808 if (value){
5809 sec.level = SEC_LEVEL_3;
5810 sec.enabled = 1;
5811 } else {
5812 sec.level = SEC_LEVEL_0;
5813 sec.enabled = 0;
5814 }
5815
5816 if (ieee->set_security)
5817 ieee->set_security(ieee->dev, &sec);
5818 else
5819 ret = -EOPNOTSUPP;
5820
5821 return ret;
5822}
5823
5824#define AUTH_ALG_OPEN_SYSTEM 0x1
5825#define AUTH_ALG_SHARED_KEY 0x2
5826
5827static int ipw2100_wpa_set_auth_algs(struct ipw2100_priv *priv, int value){
5828
5829 struct ieee80211_device *ieee = priv->ieee;
5830 struct ieee80211_security sec = {
5831 .flags = SEC_AUTH_MODE,
5832 };
5833 int ret = 0;
5834
5835 if (value & AUTH_ALG_SHARED_KEY){
5836 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
5837 ieee->open_wep = 0;
5838 } else {
5839 sec.auth_mode = WLAN_AUTH_OPEN;
5840 ieee->open_wep = 1;
5841 }
5842
5843 if (ieee->set_security)
5844 ieee->set_security(ieee->dev, &sec);
5845 else
5846 ret = -EOPNOTSUPP;
5847
5848 return ret;
5849}
5850
5851
5852static int ipw2100_wpa_set_param(struct net_device *dev, u8 name, u32 value){
5853
5854 struct ipw2100_priv *priv = ieee80211_priv(dev);
5855 int ret=0;
5856
5857 switch(name){
5858 case IPW2100_PARAM_WPA_ENABLED:
5859 ret = ipw2100_wpa_enable(priv, value);
5860 break;
5861
5862 case IPW2100_PARAM_TKIP_COUNTERMEASURES:
5863 priv->ieee->tkip_countermeasures=value;
5864 break;
5865
5866 case IPW2100_PARAM_DROP_UNENCRYPTED:
5867 priv->ieee->drop_unencrypted=value;
5868 break;
5869
5870 case IPW2100_PARAM_PRIVACY_INVOKED:
5871 priv->ieee->privacy_invoked=value;
5872 break;
5873
5874 case IPW2100_PARAM_AUTH_ALGS:
5875 ret = ipw2100_wpa_set_auth_algs(priv, value);
5876 break;
5877
5878 case IPW2100_PARAM_IEEE_802_1X:
5879 priv->ieee->ieee802_1x=value;
5880 break;
5881
5882 default:
5883 IPW_DEBUG_ERROR("%s: Unknown WPA param: %d\n",
5884 dev->name, name);
5885 ret = -EOPNOTSUPP;
5886 }
5887
5888 return ret;
5889}
5890
5891static int ipw2100_wpa_mlme(struct net_device *dev, int command, int reason){
5892
5893 struct ipw2100_priv *priv = ieee80211_priv(dev);
5894 int ret=0;
5895
5896 switch(command){
5897 case IPW2100_MLME_STA_DEAUTH:
5898 // silently ignore
5899 break;
5900
5901 case IPW2100_MLME_STA_DISASSOC:
5902 ipw2100_disassociate_bssid(priv);
5903 break;
5904
5905 default:
5906 IPW_DEBUG_ERROR("%s: Unknown MLME request: %d\n",
5907 dev->name, command);
5908 ret = -EOPNOTSUPP;
5909 }
5910
5911 return ret;
5912}
5913
5914
5915void ipw2100_wpa_assoc_frame(struct ipw2100_priv *priv,
5916 char *wpa_ie, int wpa_ie_len){
5917
5918 struct ipw2100_wpa_assoc_frame frame;
5919
5920 frame.fixed_ie_mask = 0;
5921
5922 /* copy WPA IE */
5923 memcpy(frame.var_ie, wpa_ie, wpa_ie_len);
5924 frame.var_ie_len = wpa_ie_len;
5925
5926 /* make sure WPA is enabled */
5927 ipw2100_wpa_enable(priv, 1);
5928 ipw2100_set_wpa_ie(priv, &frame, 0);
5929}
5930
5931
5932static int ipw2100_wpa_set_wpa_ie(struct net_device *dev,
5933 struct ipw2100_param *param, int plen){
5934
5935 struct ipw2100_priv *priv = ieee80211_priv(dev);
5936 struct ieee80211_device *ieee = priv->ieee;
5937 u8 *buf;
5938
5939 if (! ieee->wpa_enabled)
5940 return -EOPNOTSUPP;
5941
5942 if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
5943 (param->u.wpa_ie.len &&
5944 param->u.wpa_ie.data==NULL))
5945 return -EINVAL;
5946
5947 if (param->u.wpa_ie.len){
5948 buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
5949 if (buf == NULL)
5950 return -ENOMEM;
5951
5952 memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
5953
5954 kfree(ieee->wpa_ie);
5955 ieee->wpa_ie = buf;
5956 ieee->wpa_ie_len = param->u.wpa_ie.len;
5957
5958 } else {
5959 kfree(ieee->wpa_ie);
5960 ieee->wpa_ie = NULL;
5961 ieee->wpa_ie_len = 0;
5962 }
5963
5964 ipw2100_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len);
5965
5966 return 0;
5967}
5968
5969/* implementation borrowed from hostap driver */
5970
5971static int ipw2100_wpa_set_encryption(struct net_device *dev,
5972 struct ipw2100_param *param, int param_len){
5973
5974 int ret = 0;
5975 struct ipw2100_priv *priv = ieee80211_priv(dev);
5976 struct ieee80211_device *ieee = priv->ieee;
5977 struct ieee80211_crypto_ops *ops;
5978 struct ieee80211_crypt_data **crypt;
5979
5980 struct ieee80211_security sec = {
5981 .flags = 0,
5982 };
5983
5984 param->u.crypt.err = 0;
5985 param->u.crypt.alg[IPW2100_CRYPT_ALG_NAME_LEN - 1] = '\0';
5986
5987 if (param_len !=
5988 (int) ((char *) param->u.crypt.key - (char *) param) +
5989 param->u.crypt.key_len){
5990 IPW_DEBUG_INFO("Len mismatch %d, %d\n", param_len, param->u.crypt.key_len);
5991 return -EINVAL;
5992 }
5993 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
5994 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
5995 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
5996 if (param->u.crypt.idx >= WEP_KEYS)
5997 return -EINVAL;
5998 crypt = &ieee->crypt[param->u.crypt.idx];
5999 } else {
6000 return -EINVAL;
6001 }
6002
6003 if (strcmp(param->u.crypt.alg, "none") == 0) {
6004 if (crypt){
6005 sec.enabled = 0;
6006 sec.level = SEC_LEVEL_0;
6007 sec.flags |= SEC_ENABLED | SEC_LEVEL;
6008 ieee80211_crypt_delayed_deinit(ieee, crypt);
6009 }
6010 goto done;
6011 }
6012 sec.enabled = 1;
6013 sec.flags |= SEC_ENABLED;
6014
6015 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
6016 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
6017 request_module("ieee80211_crypt_wep");
6018 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
6019 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
6020 request_module("ieee80211_crypt_tkip");
6021 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
6022 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
6023 request_module("ieee80211_crypt_ccmp");
6024 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
6025 }
6026 if (ops == NULL) {
6027 IPW_DEBUG_INFO("%s: unknown crypto alg '%s'\n",
6028 dev->name, param->u.crypt.alg);
6029 param->u.crypt.err = IPW2100_CRYPT_ERR_UNKNOWN_ALG;
6030 ret = -EINVAL;
6031 goto done;
6032 }
6033
6034 if (*crypt == NULL || (*crypt)->ops != ops) {
6035 struct ieee80211_crypt_data *new_crypt;
6036
6037 ieee80211_crypt_delayed_deinit(ieee, crypt);
6038
6039 new_crypt = (struct ieee80211_crypt_data *)
6040 kmalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL);
6041 if (new_crypt == NULL) {
6042 ret = -ENOMEM;
6043 goto done;
6044 }
6045 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
6046 new_crypt->ops = ops;
6047 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
6048 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
6049
6050 if (new_crypt->priv == NULL) {
6051 kfree(new_crypt);
6052 param->u.crypt.err =
6053 IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED;
6054 ret = -EINVAL;
6055 goto done;
6056 }
6057
6058 *crypt = new_crypt;
6059 }
6060
6061 if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
6062 (*crypt)->ops->set_key(param->u.crypt.key,
6063 param->u.crypt.key_len, param->u.crypt.seq,
6064 (*crypt)->priv) < 0) {
6065 IPW_DEBUG_INFO("%s: key setting failed\n",
6066 dev->name);
6067 param->u.crypt.err = IPW2100_CRYPT_ERR_KEY_SET_FAILED;
6068 ret = -EINVAL;
6069 goto done;
6070 }
6071
6072 if (param->u.crypt.set_tx){
6073 ieee->tx_keyidx = param->u.crypt.idx;
6074 sec.active_key = param->u.crypt.idx;
6075 sec.flags |= SEC_ACTIVE_KEY;
6076 }
6077
6078 if (ops->name != NULL){
6079
6080 if (strcmp(ops->name, "WEP") == 0) {
6081 memcpy(sec.keys[param->u.crypt.idx], param->u.crypt.key, param->u.crypt.key_len);
6082 sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len;
6083 sec.flags |= (1 << param->u.crypt.idx);
6084 sec.flags |= SEC_LEVEL;
6085 sec.level = SEC_LEVEL_1;
6086 } else if (strcmp(ops->name, "TKIP") == 0) {
6087 sec.flags |= SEC_LEVEL;
6088 sec.level = SEC_LEVEL_2;
6089 } else if (strcmp(ops->name, "CCMP") == 0) {
6090 sec.flags |= SEC_LEVEL;
6091 sec.level = SEC_LEVEL_3;
6092 }
6093 }
6094 done:
6095 if (ieee->set_security)
6096 ieee->set_security(ieee->dev, &sec);
6097
6098 /* Do not reset port if card is in Managed mode since resetting will
6099 * generate new IEEE 802.11 authentication which may end up in looping
6100 * with IEEE 802.1X. If your hardware requires a reset after WEP
6101 * configuration (for example... Prism2), implement the reset_port in
6102 * the callbacks structures used to initialize the 802.11 stack. */
6103 if (ieee->reset_on_keychange &&
6104 ieee->iw_mode != IW_MODE_INFRA &&
6105 ieee->reset_port &&
6106 ieee->reset_port(dev)) {
6107 IPW_DEBUG_INFO("%s: reset_port failed\n", dev->name);
6108 param->u.crypt.err = IPW2100_CRYPT_ERR_CARD_CONF_FAILED;
6109 return -EINVAL;
6110 }
6111
6112 return ret;
6113}
6114
6115
6116static int ipw2100_wpa_supplicant(struct net_device *dev, struct iw_point *p){
6117
6118 struct ipw2100_param *param;
6119 int ret=0;
6120
6121 IPW_DEBUG_IOCTL("wpa_supplicant: len=%d\n", p->length);
6122
6123 if (p->length < sizeof(struct ipw2100_param) || !p->pointer)
6124 return -EINVAL;
6125
6126 param = (struct ipw2100_param *)kmalloc(p->length, GFP_KERNEL);
6127 if (param == NULL)
6128 return -ENOMEM;
6129
6130 if (copy_from_user(param, p->pointer, p->length)){
6131 kfree(param);
6132 return -EFAULT;
6133 }
6134
6135 switch (param->cmd){
6136
6137 case IPW2100_CMD_SET_WPA_PARAM:
6138 ret = ipw2100_wpa_set_param(dev, param->u.wpa_param.name,
6139 param->u.wpa_param.value);
6140 break;
6141
6142 case IPW2100_CMD_SET_WPA_IE:
6143 ret = ipw2100_wpa_set_wpa_ie(dev, param, p->length);
6144 break;
6145
6146 case IPW2100_CMD_SET_ENCRYPTION:
6147 ret = ipw2100_wpa_set_encryption(dev, param, p->length);
6148 break;
6149
6150 case IPW2100_CMD_MLME:
6151 ret = ipw2100_wpa_mlme(dev, param->u.mlme.command,
6152 param->u.mlme.reason_code);
6153 break;
6154
6155 default:
6156 IPW_DEBUG_ERROR("%s: Unknown WPA supplicant request: %d\n",
6157 dev->name, param->cmd);
6158 ret = -EOPNOTSUPP;
6159
6160 }
6161
6162 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
6163 ret = -EFAULT;
6164
6165 kfree(param);
6166 return ret;
6167}
6168#endif /* CONFIG_IEEE80211_WPA */
6169
6170static int ipw2100_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
6171{
6172#ifdef CONFIG_IEEE80211_WPA
6173 struct iwreq *wrq = (struct iwreq *) rq;
6174 int ret=-1;
6175 switch (cmd){
6176 case IPW2100_IOCTL_WPA_SUPPLICANT:
6177 ret = ipw2100_wpa_supplicant(dev, &wrq->u.data);
6178 return ret;
6179
6180 default:
6181 return -EOPNOTSUPP;
6182 }
6183
6184#endif /* CONFIG_IEEE80211_WPA */
6185
6186 return -EOPNOTSUPP;
6187}
6188
6189
6190static void ipw_ethtool_get_drvinfo(struct net_device *dev,
6191 struct ethtool_drvinfo *info)
6192{
6193 struct ipw2100_priv *priv = ieee80211_priv(dev);
6194 char fw_ver[64], ucode_ver[64];
6195
6196 strcpy(info->driver, DRV_NAME);
6197 strcpy(info->version, DRV_VERSION);
6198
6199 ipw2100_get_fwversion(priv, fw_ver, sizeof(fw_ver));
6200 ipw2100_get_ucodeversion(priv, ucode_ver, sizeof(ucode_ver));
6201
6202 snprintf(info->fw_version, sizeof(info->fw_version), "%s:%d:%s",
6203 fw_ver, priv->eeprom_version, ucode_ver);
6204
6205 strcpy(info->bus_info, pci_name(priv->pci_dev));
6206}
6207
6208static u32 ipw2100_ethtool_get_link(struct net_device *dev)
6209{
6210 struct ipw2100_priv *priv = ieee80211_priv(dev);
6211 return (priv->status & STATUS_ASSOCIATED) ? 1 : 0;
6212}
6213
6214
6215static struct ethtool_ops ipw2100_ethtool_ops = {
6216 .get_link = ipw2100_ethtool_get_link,
6217 .get_drvinfo = ipw_ethtool_get_drvinfo,
6218};
6219
6220static void ipw2100_hang_check(void *adapter)
6221{
6222 struct ipw2100_priv *priv = adapter;
6223 unsigned long flags;
6224 u32 rtc = 0xa5a5a5a5;
6225 u32 len = sizeof(rtc);
6226 int restart = 0;
6227
6228 spin_lock_irqsave(&priv->low_lock, flags);
6229
6230 if (priv->fatal_error != 0) {
6231 /* If fatal_error is set then we need to restart */
6232 IPW_DEBUG_INFO("%s: Hardware fatal error detected.\n",
6233 priv->net_dev->name);
6234
6235 restart = 1;
6236 } else if (ipw2100_get_ordinal(priv, IPW_ORD_RTC_TIME, &rtc, &len) ||
6237 (rtc == priv->last_rtc)) {
6238 /* Check if firmware is hung */
6239 IPW_DEBUG_INFO("%s: Firmware RTC stalled.\n",
6240 priv->net_dev->name);
6241
6242 restart = 1;
6243 }
6244
6245 if (restart) {
6246 /* Kill timer */
6247 priv->stop_hang_check = 1;
6248 priv->hangs++;
6249
6250 /* Restart the NIC */
6251 schedule_reset(priv);
6252 }
6253
6254 priv->last_rtc = rtc;
6255
6256 if (!priv->stop_hang_check)
6257 queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
6258
6259 spin_unlock_irqrestore(&priv->low_lock, flags);
6260}
6261
6262
6263static void ipw2100_rf_kill(void *adapter)
6264{
6265 struct ipw2100_priv *priv = adapter;
6266 unsigned long flags;
6267
6268 spin_lock_irqsave(&priv->low_lock, flags);
6269
6270 if (rf_kill_active(priv)) {
6271 IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n");
6272 if (!priv->stop_rf_kill)
6273 queue_delayed_work(priv->workqueue, &priv->rf_kill, HZ);
6274 goto exit_unlock;
6275 }
6276
6277 /* RF Kill is now disabled, so bring the device back up */
6278
6279 if (!(priv->status & STATUS_RF_KILL_MASK)) {
6280 IPW_DEBUG_RF_KILL("HW RF Kill no longer active, restarting "
6281 "device\n");
6282 schedule_reset(priv);
6283 } else
6284 IPW_DEBUG_RF_KILL("HW RF Kill deactivated. SW RF Kill still "
6285 "enabled\n");
6286
6287 exit_unlock:
6288 spin_unlock_irqrestore(&priv->low_lock, flags);
6289}
6290
6291static void ipw2100_irq_tasklet(struct ipw2100_priv *priv);
6292
6293/* Look into using netdev destructor to shutdown ieee80211? */
6294
6295static struct net_device *ipw2100_alloc_device(
6296 struct pci_dev *pci_dev,
6297 char *base_addr,
6298 unsigned long mem_start,
6299 unsigned long mem_len)
6300{
6301 struct ipw2100_priv *priv;
6302 struct net_device *dev;
6303
6304 dev = alloc_ieee80211(sizeof(struct ipw2100_priv));
6305 if (!dev)
6306 return NULL;
6307 priv = ieee80211_priv(dev);
6308 priv->ieee = netdev_priv(dev);
6309 priv->pci_dev = pci_dev;
6310 priv->net_dev = dev;
6311
6312 priv->ieee->hard_start_xmit = ipw2100_tx;
6313 priv->ieee->set_security = shim__set_security;
6314
6315 dev->open = ipw2100_open;
6316 dev->stop = ipw2100_close;
6317 dev->init = ipw2100_net_init;
6318 dev->do_ioctl = ipw2100_ioctl;
6319 dev->get_stats = ipw2100_stats;
6320 dev->ethtool_ops = &ipw2100_ethtool_ops;
6321 dev->tx_timeout = ipw2100_tx_timeout;
6322 dev->wireless_handlers = &ipw2100_wx_handler_def;
6323 dev->get_wireless_stats = ipw2100_wx_wireless_stats;
6324 dev->set_mac_address = ipw2100_set_address;
6325 dev->watchdog_timeo = 3*HZ;
6326 dev->irq = 0;
6327
6328 dev->base_addr = (unsigned long)base_addr;
6329 dev->mem_start = mem_start;
6330 dev->mem_end = dev->mem_start + mem_len - 1;
6331
6332 /* NOTE: We don't use the wireless_handlers hook
6333 * in dev as the system will start throwing WX requests
6334 * to us before we're actually initialized and it just
6335 * ends up causing problems. So, we just handle
6336 * the WX extensions through the ipw2100_ioctl interface */
6337
6338
6339 /* memset() puts everything to 0, so we only have explicitely set
6340 * those values that need to be something else */
6341
6342 /* If power management is turned on, default to AUTO mode */
6343 priv->power_mode = IPW_POWER_AUTO;
6344
6345
6346
6347#ifdef CONFIG_IEEE80211_WPA
6348 priv->ieee->wpa_enabled = 0;
6349 priv->ieee->tkip_countermeasures = 0;
6350 priv->ieee->drop_unencrypted = 0;
6351 priv->ieee->privacy_invoked = 0;
6352 priv->ieee->ieee802_1x = 1;
6353#endif /* CONFIG_IEEE80211_WPA */
6354
6355 /* Set module parameters */
6356 switch (mode) {
6357 case 1:
6358 priv->ieee->iw_mode = IW_MODE_ADHOC;
6359 break;
6360#ifdef CONFIG_IPW2100_MONITOR
6361 case 2:
6362 priv->ieee->iw_mode = IW_MODE_MONITOR;
6363 break;
6364#endif
6365 default:
6366 case 0:
6367 priv->ieee->iw_mode = IW_MODE_INFRA;
6368 break;
6369 }
6370
6371 if (disable == 1)
6372 priv->status |= STATUS_RF_KILL_SW;
6373
6374 if (channel != 0 &&
6375 ((channel >= REG_MIN_CHANNEL) &&
6376 (channel <= REG_MAX_CHANNEL))) {
6377 priv->config |= CFG_STATIC_CHANNEL;
6378 priv->channel = channel;
6379 }
6380
6381 if (associate)
6382 priv->config |= CFG_ASSOCIATE;
6383
6384 priv->beacon_interval = DEFAULT_BEACON_INTERVAL;
6385 priv->short_retry_limit = DEFAULT_SHORT_RETRY_LIMIT;
6386 priv->long_retry_limit = DEFAULT_LONG_RETRY_LIMIT;
6387 priv->rts_threshold = DEFAULT_RTS_THRESHOLD | RTS_DISABLED;
6388 priv->frag_threshold = DEFAULT_FTS | FRAG_DISABLED;
6389 priv->tx_power = IPW_TX_POWER_DEFAULT;
6390 priv->tx_rates = DEFAULT_TX_RATES;
6391
6392 strcpy(priv->nick, "ipw2100");
6393
6394 spin_lock_init(&priv->low_lock);
6395 sema_init(&priv->action_sem, 1);
6396 sema_init(&priv->adapter_sem, 1);
6397
6398 init_waitqueue_head(&priv->wait_command_queue);
6399
6400 netif_carrier_off(dev);
6401
6402 INIT_LIST_HEAD(&priv->msg_free_list);
6403 INIT_LIST_HEAD(&priv->msg_pend_list);
6404 INIT_STAT(&priv->msg_free_stat);
6405 INIT_STAT(&priv->msg_pend_stat);
6406
6407 INIT_LIST_HEAD(&priv->tx_free_list);
6408 INIT_LIST_HEAD(&priv->tx_pend_list);
6409 INIT_STAT(&priv->tx_free_stat);
6410 INIT_STAT(&priv->tx_pend_stat);
6411
6412 INIT_LIST_HEAD(&priv->fw_pend_list);
6413 INIT_STAT(&priv->fw_pend_stat);
6414
6415
6416#ifdef CONFIG_SOFTWARE_SUSPEND2
6417 priv->workqueue = create_workqueue(DRV_NAME, 0);
6418#else
6419 priv->workqueue = create_workqueue(DRV_NAME);
6420#endif
6421 INIT_WORK(&priv->reset_work,
6422 (void (*)(void *))ipw2100_reset_adapter, priv);
6423 INIT_WORK(&priv->security_work,
6424 (void (*)(void *))ipw2100_security_work, priv);
6425 INIT_WORK(&priv->wx_event_work,
6426 (void (*)(void *))ipw2100_wx_event_work, priv);
6427 INIT_WORK(&priv->hang_check, ipw2100_hang_check, priv);
6428 INIT_WORK(&priv->rf_kill, ipw2100_rf_kill, priv);
6429
6430 tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
6431 ipw2100_irq_tasklet, (unsigned long)priv);
6432
6433 /* NOTE: We do not start the deferred work for status checks yet */
6434 priv->stop_rf_kill = 1;
6435 priv->stop_hang_check = 1;
6436
6437 return dev;
6438}
6439
2c86c275
JK		 6440static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
6441 const struct pci_device_id *ent)
6442{
6443 unsigned long mem_start, mem_len, mem_flags;
6444 char *base_addr = NULL;
6445 struct net_device *dev = NULL;
6446 struct ipw2100_priv *priv = NULL;
6447 int err = 0;
6448 int registered = 0;
6449 u32 val;
6450
6451 IPW_DEBUG_INFO("enter\n");
6452
6453 mem_start = pci_resource_start(pci_dev, 0);
6454 mem_len = pci_resource_len(pci_dev, 0);
6455 mem_flags = pci_resource_flags(pci_dev, 0);
6456
6457 if ((mem_flags & IORESOURCE_MEM) != IORESOURCE_MEM) {
6458 IPW_DEBUG_INFO("weird - resource type is not memory\n");
6459 err = -ENODEV;
6460 goto fail;
6461 }
6462
6463 base_addr = ioremap_nocache(mem_start, mem_len);
6464 if (!base_addr) {
6465 printk(KERN_WARNING DRV_NAME
6466 "Error calling ioremap_nocache.\n");
6467 err = -EIO;
6468 goto fail;
6469 }
6470
6471 /* allocate and initialize our net_device */
6472 dev = ipw2100_alloc_device(pci_dev, base_addr, mem_start, mem_len);
6473 if (!dev) {
6474 printk(KERN_WARNING DRV_NAME
6475 "Error calling ipw2100_alloc_device.\n");
6476 err = -ENOMEM;
6477 goto fail;
6478 }
6479
6480 /* set up PCI mappings for device */
6481 err = pci_enable_device(pci_dev);
6482 if (err) {
6483 printk(KERN_WARNING DRV_NAME
6484 "Error calling pci_enable_device.\n");
6485 return err;
6486 }
6487
6488 priv = ieee80211_priv(dev);
6489
6490 pci_set_master(pci_dev);
6491 pci_set_drvdata(pci_dev, priv);
6492
05743d16 6493 err = pci_set_dma_mask(pci_dev, DMA_32BIT_MASK);
2c86c275
JK		 6494 if (err) {
6495 printk(KERN_WARNING DRV_NAME
6496 "Error calling pci_set_dma_mask.\n");
6497 pci_disable_device(pci_dev);
6498 return err;
6499 }
6500
6501 err = pci_request_regions(pci_dev, DRV_NAME);
6502 if (err) {
6503 printk(KERN_WARNING DRV_NAME
6504 "Error calling pci_request_regions.\n");
6505 pci_disable_device(pci_dev);
6506 return err;
6507 }
6508
6509 /* We disable the RETRY_TIMEOUT register (0x41) to keep
6510 * PCI Tx retries from interfering with C3 CPU state */
6511 pci_read_config_dword(pci_dev, 0x40, &val);
6512 if ((val & 0x0000ff00) != 0)
6513 pci_write_config_dword(pci_dev, 0x40, val & 0xffff00ff);
6514
8724a118 6515 pci_set_power_state(pci_dev, PCI_D0);
2c86c275
JK		 6516
6517 if (!ipw2100_hw_is_adapter_in_system(dev)) {
6518 printk(KERN_WARNING DRV_NAME
6519 "Device not found via register read.\n");
6520 err = -ENODEV;
6521 goto fail;
6522 }
6523
6524 SET_NETDEV_DEV(dev, &pci_dev->dev);
6525
6526 /* Force interrupts to be shut off on the device */
6527 priv->status |= STATUS_INT_ENABLED;
6528 ipw2100_disable_interrupts(priv);
6529
6530 /* Allocate and initialize the Tx/Rx queues and lists */
6531 if (ipw2100_queues_allocate(priv)) {
6532 printk(KERN_WARNING DRV_NAME
6533 "Error calilng ipw2100_queues_allocate.\n");
6534 err = -ENOMEM;
6535 goto fail;
6536 }
6537 ipw2100_queues_initialize(priv);
6538
6539 err = request_irq(pci_dev->irq,
6540 ipw2100_interrupt, SA_SHIRQ,
6541 dev->name, priv);
6542 if (err) {
6543 printk(KERN_WARNING DRV_NAME
6544 "Error calling request_irq: %d.\n",
6545 pci_dev->irq);
6546 goto fail;
6547 }
6548 dev->irq = pci_dev->irq;
6549
6550 IPW_DEBUG_INFO("Attempting to register device...\n");
6551
6552 SET_MODULE_OWNER(dev);
6553
6554 printk(KERN_INFO DRV_NAME
6555 ": Detected Intel PRO/Wireless 2100 Network Connection\n");
6556
6557 /* Bring up the interface. Pre 0.46, after we registered the
6558 * network device we would call ipw2100_up. This introduced a race
6559 * condition with newer hotplug configurations (network was coming
6560 * up and making calls before the device was initialized).
6561 *
6562 * If we called ipw2100_up before we registered the device, then the
6563 * device name wasn't registered. So, we instead use the net_dev->init
6564 * member to call a function that then just turns and calls ipw2100_up.
6565 * net_dev->init is called after name allocation but before the
6566 * notifier chain is called */
6567 down(&priv->action_sem);
6568 err = register_netdev(dev);
6569 if (err) {
6570 printk(KERN_WARNING DRV_NAME
6571 "Error calling register_netdev.\n");
6572 goto fail_unlock;
6573 }
6574 registered = 1;
6575
6576 IPW_DEBUG_INFO("%s: Bound to %s\n", dev->name, pci_name(pci_dev));
6577
6578 /* perform this after register_netdev so that dev->name is set */
6579 sysfs_create_group(&pci_dev->dev.kobj, &ipw2100_attribute_group);
6580 netif_carrier_off(dev);
6581
6582 /* If the RF Kill switch is disabled, go ahead and complete the
6583 * startup sequence */
6584 if (!(priv->status & STATUS_RF_KILL_MASK)) {
6585 /* Enable the adapter - sends HOST_COMPLETE */
6586 if (ipw2100_enable_adapter(priv)) {
6587 printk(KERN_WARNING DRV_NAME
6588 ": %s: failed in call to enable adapter.\n",
6589 priv->net_dev->name);
6590 ipw2100_hw_stop_adapter(priv);
6591 err = -EIO;
6592 goto fail_unlock;
6593 }
6594
6595 /* Start a scan . . . */
6596 ipw2100_set_scan_options(priv);
6597 ipw2100_start_scan(priv);
6598 }
6599
6600 IPW_DEBUG_INFO("exit\n");
6601
6602 priv->status |= STATUS_INITIALIZED;
6603
6604 up(&priv->action_sem);
6605
6606 return 0;
6607
6608 fail_unlock:
6609 up(&priv->action_sem);
6610
6611 fail:
6612 if (dev) {
6613 if (registered)
6614 unregister_netdev(dev);
6615
6616 ipw2100_hw_stop_adapter(priv);
6617
6618 ipw2100_disable_interrupts(priv);
6619
6620 if (dev->irq)
6621 free_irq(dev->irq, priv);
6622
6623 ipw2100_kill_workqueue(priv);
6624
6625 /* These are safe to call even if they weren't allocated */
6626 ipw2100_queues_free(priv);
6627 sysfs_remove_group(&pci_dev->dev.kobj, &ipw2100_attribute_group);
6628
6629 free_ieee80211(dev);
6630 pci_set_drvdata(pci_dev, NULL);
6631 }
6632
6633 if (base_addr)
6634 iounmap((char*)base_addr);
6635
6636 pci_release_regions(pci_dev);
6637 pci_disable_device(pci_dev);
6638
6639 return err;
6640}
6641
6642static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
6643{
6644 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6645 struct net_device *dev;
6646
6647 if (priv) {
6648 down(&priv->action_sem);
6649
6650 priv->status &= ~STATUS_INITIALIZED;
6651
6652 dev = priv->net_dev;
6653 sysfs_remove_group(&pci_dev->dev.kobj, &ipw2100_attribute_group);
6654
6655#ifdef CONFIG_PM
6656 if (ipw2100_firmware.version)
6657 ipw2100_release_firmware(priv, &ipw2100_firmware);
6658#endif
6659 /* Take down the hardware */
6660 ipw2100_down(priv);
6661
6662 /* Release the semaphore so that the network subsystem can
6663 * complete any needed calls into the driver... */
6664 up(&priv->action_sem);
6665
6666 /* Unregister the device first - this results in close()
6667 * being called if the device is open. If we free storage
6668 * first, then close() will crash. */
6669 unregister_netdev(dev);
6670
6671 /* ipw2100_down will ensure that there is no more pending work
6672 * in the workqueue's, so we can safely remove them now. */
6673 ipw2100_kill_workqueue(priv);
6674
6675 ipw2100_queues_free(priv);
6676
6677 /* Free potential debugging firmware snapshot */
6678 ipw2100_snapshot_free(priv);
6679
6680 if (dev->irq)
6681 free_irq(dev->irq, priv);
6682
6683 if (dev->base_addr)
6684 iounmap((unsigned char *)dev->base_addr);
6685
6686 free_ieee80211(dev);
6687 }
6688
6689 pci_release_regions(pci_dev);
6690 pci_disable_device(pci_dev);
6691
6692 IPW_DEBUG_INFO("exit\n");
6693}
6694
6695
6696#ifdef CONFIG_PM
6697#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
6698static int ipw2100_suspend(struct pci_dev *pci_dev, u32 state)
6699#else
6700static int ipw2100_suspend(struct pci_dev *pci_dev, pm_message_t state)
6701#endif
6702{
6703 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6704 struct net_device *dev = priv->net_dev;
6705
6706 IPW_DEBUG_INFO("%s: Going into suspend...\n",
6707 dev->name);
6708
6709 down(&priv->action_sem);
6710 if (priv->status & STATUS_INITIALIZED) {
6711 /* Take down the device; powers it off, etc. */
6712 ipw2100_down(priv);
6713 }
6714
6715 /* Remove the PRESENT state of the device */
6716 netif_device_detach(dev);
6717
2c86c275 6718 pci_save_state(pci_dev);
2c86c275 6719 pci_disable_device (pci_dev);
2c86c275 6720 pci_set_power_state(pci_dev, PCI_D3hot);
2c86c275
JK		 6721
6722 up(&priv->action_sem);
6723
6724 return 0;
6725}
6726
6727static int ipw2100_resume(struct pci_dev *pci_dev)
6728{
6729 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6730 struct net_device *dev = priv->net_dev;
6731 u32 val;
6732
6733 if (IPW2100_PM_DISABLED)
6734 return 0;
6735
6736 down(&priv->action_sem);
6737
6738 IPW_DEBUG_INFO("%s: Coming out of suspend...\n",
6739 dev->name);
6740
2c86c275 6741 pci_set_power_state(pci_dev, PCI_D0);
2c86c275 6742 pci_enable_device(pci_dev);
2c86c275 6743 pci_restore_state(pci_dev);
2c86c275
JK		 6744
6745 /*
6746 * Suspend/Resume resets the PCI configuration space, so we have to
6747 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
6748 * from interfering with C3 CPU state. pci_restore_state won't help
6749 * here since it only restores the first 64 bytes pci config header.
6750 */
6751 pci_read_config_dword(pci_dev, 0x40, &val);
6752 if ((val & 0x0000ff00) != 0)
6753 pci_write_config_dword(pci_dev, 0x40, val & 0xffff00ff);
6754
6755 /* Set the device back into the PRESENT state; this will also wake
6756 * the queue of needed */
6757 netif_device_attach(dev);
6758
6759 /* Bring the device back up */
6760 if (!(priv->status & STATUS_RF_KILL_SW))
6761 ipw2100_up(priv, 0);
6762
6763 up(&priv->action_sem);
6764
6765 return 0;
6766}
6767#endif
6768
6769
6770#define IPW2100_DEV_ID(x) { PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, x }
6771
6772static struct pci_device_id ipw2100_pci_id_table[] __devinitdata = {
6773 IPW2100_DEV_ID(0x2520), /* IN 2100A mPCI 3A */
6774 IPW2100_DEV_ID(0x2521), /* IN 2100A mPCI 3B */
6775 IPW2100_DEV_ID(0x2524), /* IN 2100A mPCI 3B */
6776 IPW2100_DEV_ID(0x2525), /* IN 2100A mPCI 3B */
6777 IPW2100_DEV_ID(0x2526), /* IN 2100A mPCI Gen A3 */
6778 IPW2100_DEV_ID(0x2522), /* IN 2100 mPCI 3B */
6779 IPW2100_DEV_ID(0x2523), /* IN 2100 mPCI 3A */
6780 IPW2100_DEV_ID(0x2527), /* IN 2100 mPCI 3B */
6781 IPW2100_DEV_ID(0x2528), /* IN 2100 mPCI 3B */
6782 IPW2100_DEV_ID(0x2529), /* IN 2100 mPCI 3B */
6783 IPW2100_DEV_ID(0x252B), /* IN 2100 mPCI 3A */
6784 IPW2100_DEV_ID(0x252C), /* IN 2100 mPCI 3A */
6785 IPW2100_DEV_ID(0x252D), /* IN 2100 mPCI 3A */
6786
6787 IPW2100_DEV_ID(0x2550), /* IB 2100A mPCI 3B */
6788 IPW2100_DEV_ID(0x2551), /* IB 2100 mPCI 3B */
6789 IPW2100_DEV_ID(0x2553), /* IB 2100 mPCI 3B */
6790 IPW2100_DEV_ID(0x2554), /* IB 2100 mPCI 3B */
6791 IPW2100_DEV_ID(0x2555), /* IB 2100 mPCI 3B */
6792
6793 IPW2100_DEV_ID(0x2560), /* DE 2100A mPCI 3A */
6794 IPW2100_DEV_ID(0x2562), /* DE 2100A mPCI 3A */
6795 IPW2100_DEV_ID(0x2563), /* DE 2100A mPCI 3A */
6796 IPW2100_DEV_ID(0x2561), /* DE 2100 mPCI 3A */
6797 IPW2100_DEV_ID(0x2565), /* DE 2100 mPCI 3A */
6798 IPW2100_DEV_ID(0x2566), /* DE 2100 mPCI 3A */
6799 IPW2100_DEV_ID(0x2567), /* DE 2100 mPCI 3A */
6800
6801 IPW2100_DEV_ID(0x2570), /* GA 2100 mPCI 3B */
6802
6803 IPW2100_DEV_ID(0x2580), /* TO 2100A mPCI 3B */
6804 IPW2100_DEV_ID(0x2582), /* TO 2100A mPCI 3B */
6805 IPW2100_DEV_ID(0x2583), /* TO 2100A mPCI 3B */
6806 IPW2100_DEV_ID(0x2581), /* TO 2100 mPCI 3B */
6807 IPW2100_DEV_ID(0x2585), /* TO 2100 mPCI 3B */
6808 IPW2100_DEV_ID(0x2586), /* TO 2100 mPCI 3B */
6809 IPW2100_DEV_ID(0x2587), /* TO 2100 mPCI 3B */
6810
6811 IPW2100_DEV_ID(0x2590), /* SO 2100A mPCI 3B */
6812 IPW2100_DEV_ID(0x2592), /* SO 2100A mPCI 3B */
6813 IPW2100_DEV_ID(0x2591), /* SO 2100 mPCI 3B */
6814 IPW2100_DEV_ID(0x2593), /* SO 2100 mPCI 3B */
6815 IPW2100_DEV_ID(0x2596), /* SO 2100 mPCI 3B */
6816 IPW2100_DEV_ID(0x2598), /* SO 2100 mPCI 3B */
6817
6818 IPW2100_DEV_ID(0x25A0), /* HP 2100 mPCI 3B */
6819 {0,},
6820};
6821
6822MODULE_DEVICE_TABLE(pci, ipw2100_pci_id_table);
6823
6824static struct pci_driver ipw2100_pci_driver = {
6825 .name = DRV_NAME,
6826 .id_table = ipw2100_pci_id_table,
6827 .probe = ipw2100_pci_init_one,
6828 .remove = __devexit_p(ipw2100_pci_remove_one),
6829#ifdef CONFIG_PM
6830 .suspend = ipw2100_suspend,
6831 .resume = ipw2100_resume,
6832#endif
6833};
6834
6835
6836/**
6837 * Initialize the ipw2100 driver/module
6838 *
6839 * @returns 0 if ok, < 0 errno node con error.
6840 *
6841 * Note: we cannot init the /proc stuff until the PCI driver is there,
6842 * or we risk an unlikely race condition on someone accessing
6843 * uninitialized data in the PCI dev struct through /proc.
6844 */
6845static int __init ipw2100_init(void)
6846{
6847 int ret;
6848
6849 printk(KERN_INFO DRV_NAME ": %s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
6850 printk(KERN_INFO DRV_NAME ": %s\n", DRV_COPYRIGHT);
6851
6852#ifdef CONFIG_IEEE80211_NOWEP
6853 IPW_DEBUG_INFO(DRV_NAME ": Compiled with WEP disabled.\n");
6854#endif
6855
6856 ret = pci_module_init(&ipw2100_pci_driver);
6857
6858#ifdef CONFIG_IPW_DEBUG
6859 ipw2100_debug_level = debug;
6860 driver_create_file(&ipw2100_pci_driver.driver,
6861 &driver_attr_debug_level);
6862#endif
6863
6864 return ret;
6865}
6866
6867
6868/**
6869 * Cleanup ipw2100 driver registration
6870 */
6871static void __exit ipw2100_exit(void)
6872{
6873 /* FIXME: IPG: check that we have no instances of the devices open */
6874#ifdef CONFIG_IPW_DEBUG
6875 driver_remove_file(&ipw2100_pci_driver.driver,
6876 &driver_attr_debug_level);
6877#endif
6878 pci_unregister_driver(&ipw2100_pci_driver);
6879}
6880
6881module_init(ipw2100_init);
6882module_exit(ipw2100_exit);
6883
6884#define WEXT_USECHANNELS 1
6885
6886const long ipw2100_frequencies[] = {
6887 2412, 2417, 2422, 2427,
6888 2432, 2437, 2442, 2447,
6889 2452, 2457, 2462, 2467,
6890 2472, 2484
6891};
6892
6893#define FREQ_COUNT (sizeof(ipw2100_frequencies) / \
6894 sizeof(ipw2100_frequencies[0]))
6895
6896const long ipw2100_rates_11b[] = {
6897 1000000,
6898 2000000,
6899 5500000,
6900 11000000
6901};
6902
6903#define RATE_COUNT (sizeof(ipw2100_rates_11b) / sizeof(ipw2100_rates_11b[0]))
6904
6905static int ipw2100_wx_get_name(struct net_device *dev,
6906 struct iw_request_info *info,
6907 union iwreq_data *wrqu, char *extra)
6908{
6909 /*
6910 * This can be called at any time. No action lock required
6911 */
6912
6913 struct ipw2100_priv *priv = ieee80211_priv(dev);
6914 if (!(priv->status & STATUS_ASSOCIATED))
6915 strcpy(wrqu->name, "unassociated");
6916 else
6917 snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11b");
6918
6919 IPW_DEBUG_WX("Name: %s\n", wrqu->name);
6920 return 0;
6921}
6922
6923
6924static int ipw2100_wx_set_freq(struct net_device *dev,
6925 struct iw_request_info *info,
6926 union iwreq_data *wrqu, char *extra)
6927{
6928 struct ipw2100_priv *priv = ieee80211_priv(dev);
6929 struct iw_freq *fwrq = &wrqu->freq;
6930 int err = 0;
6931
6932 if (priv->ieee->iw_mode == IW_MODE_INFRA)
6933 return -EOPNOTSUPP;
6934
6935 down(&priv->action_sem);
6936 if (!(priv->status & STATUS_INITIALIZED)) {
6937 err = -EIO;
6938 goto done;
6939 }
6940
6941 /* if setting by freq convert to channel */
6942 if (fwrq->e == 1) {
6943 if ((fwrq->m >= (int) 2.412e8 &&
6944 fwrq->m <= (int) 2.487e8)) {
6945 int f = fwrq->m / 100000;
6946 int c = 0;
6947
6948 while ((c < REG_MAX_CHANNEL) &&
6949 (f != ipw2100_frequencies[c]))
6950 c++;
6951
6952 /* hack to fall through */
6953 fwrq->e = 0;
6954 fwrq->m = c + 1;
6955 }
6956 }
6957
6958 if (fwrq->e > 0 || fwrq->m > 1000)
6959 return -EOPNOTSUPP;
6960 else { /* Set the channel */
6961 IPW_DEBUG_WX("SET Freq/Channel -> %d \n", fwrq->m);
6962 err = ipw2100_set_channel(priv, fwrq->m, 0);
6963 }
6964
6965 done:
6966 up(&priv->action_sem);
6967 return err;
6968}
6969
6970
6971static int ipw2100_wx_get_freq(struct net_device *dev,
6972 struct iw_request_info *info,
6973 union iwreq_data *wrqu, char *extra)
6974{
6975 /*
6976 * This can be called at any time. No action lock required
6977 */
6978
6979 struct ipw2100_priv *priv = ieee80211_priv(dev);
6980
6981 wrqu->freq.e = 0;
6982
6983 /* If we are associated, trying to associate, or have a statically
6984 * configured CHANNEL then return that; otherwise return ANY */
6985 if (priv->config & CFG_STATIC_CHANNEL ||
6986 priv->status & STATUS_ASSOCIATED)
6987 wrqu->freq.m = priv->channel;
6988 else
6989 wrqu->freq.m = 0;
6990
6991 IPW_DEBUG_WX("GET Freq/Channel -> %d \n", priv->channel);
6992 return 0;
6993
6994}
6995
6996static int ipw2100_wx_set_mode(struct net_device *dev,
6997 struct iw_request_info *info,
6998 union iwreq_data *wrqu, char *extra)
6999{
7000 struct ipw2100_priv *priv = ieee80211_priv(dev);
7001 int err = 0;
7002
7003 IPW_DEBUG_WX("SET Mode -> %d \n", wrqu->mode);
7004
7005 if (wrqu->mode == priv->ieee->iw_mode)
7006 return 0;
7007
7008 down(&priv->action_sem);
7009 if (!(priv->status & STATUS_INITIALIZED)) {
7010 err = -EIO;
7011 goto done;
7012 }
7013
7014 switch (wrqu->mode) {
7015#ifdef CONFIG_IPW2100_MONITOR
7016 case IW_MODE_MONITOR:
7017 err = ipw2100_switch_mode(priv, IW_MODE_MONITOR);
7018 break;
7019#endif /* CONFIG_IPW2100_MONITOR */
7020 case IW_MODE_ADHOC:
7021 err = ipw2100_switch_mode(priv, IW_MODE_ADHOC);
7022 break;
7023 case IW_MODE_INFRA:
7024 case IW_MODE_AUTO:
7025 default:
7026 err = ipw2100_switch_mode(priv, IW_MODE_INFRA);
7027 break;
7028 }
7029
7030done:
7031 up(&priv->action_sem);
7032 return err;
7033}
7034
7035static int ipw2100_wx_get_mode(struct net_device *dev,
7036 struct iw_request_info *info,
7037 union iwreq_data *wrqu, char *extra)
7038{
7039 /*
7040 * This can be called at any time. No action lock required
7041 */
7042
7043 struct ipw2100_priv *priv = ieee80211_priv(dev);
7044
7045 wrqu->mode = priv->ieee->iw_mode;
7046 IPW_DEBUG_WX("GET Mode -> %d\n", wrqu->mode);
7047
7048 return 0;
7049}
7050
7051
7052#define POWER_MODES 5
7053
7054/* Values are in microsecond */
7055const s32 timeout_duration[POWER_MODES] = {
7056 350000,
7057 250000,
7058 75000,
7059 37000,
7060 25000,
7061};
7062
7063const s32 period_duration[POWER_MODES] = {
7064 400000,
7065 700000,
7066 1000000,
7067 1000000,
7068 1000000
7069};
7070
7071static int ipw2100_wx_get_range(struct net_device *dev,
7072 struct iw_request_info *info,
7073 union iwreq_data *wrqu, char *extra)
7074{
7075 /*
7076 * This can be called at any time. No action lock required
7077 */
7078
7079 struct ipw2100_priv *priv = ieee80211_priv(dev);
7080 struct iw_range *range = (struct iw_range *)extra;
7081 u16 val;
7082 int i, level;
7083
7084 wrqu->data.length = sizeof(*range);
7085 memset(range, 0, sizeof(*range));
7086
7087 /* Let's try to keep this struct in the same order as in
7088 * linux/include/wireless.h
7089 */
7090
7091 /* TODO: See what values we can set, and remove the ones we can't
7092 * set, or fill them with some default data.
7093 */
7094
7095 /* ~5 Mb/s real (802.11b) */
7096 range->throughput = 5 * 1000 * 1000;
7097
7098// range->sensitivity; /* signal level threshold range */
7099
7100 range->max_qual.qual = 100;
7101 /* TODO: Find real max RSSI and stick here */
7102 range->max_qual.level = 0;
7103 range->max_qual.noise = 0;
7104 range->max_qual.updated = 7; /* Updated all three */
7105
7106 range->avg_qual.qual = 70; /* > 8% missed beacons is 'bad' */
7107 /* TODO: Find real 'good' to 'bad' threshol value for RSSI */
7108 range->avg_qual.level = 20 + IPW2100_RSSI_TO_DBM;
7109 range->avg_qual.noise = 0;
7110 range->avg_qual.updated = 7; /* Updated all three */
7111
7112 range->num_bitrates = RATE_COUNT;
7113
7114 for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++) {
7115 range->bitrate[i] = ipw2100_rates_11b[i];
7116 }
7117
7118 range->min_rts = MIN_RTS_THRESHOLD;
7119 range->max_rts = MAX_RTS_THRESHOLD;
7120 range->min_frag = MIN_FRAG_THRESHOLD;
7121 range->max_frag = MAX_FRAG_THRESHOLD;
7122
7123 range->min_pmp = period_duration[0]; /* Minimal PM period */
7124 range->max_pmp = period_duration[POWER_MODES-1];/* Maximal PM period */
7125 range->min_pmt = timeout_duration[POWER_MODES-1]; /* Minimal PM timeout */
7126 range->max_pmt = timeout_duration[0];/* Maximal PM timeout */
7127
7128 /* How to decode max/min PM period */
7129 range->pmp_flags = IW_POWER_PERIOD;
7130 /* How to decode max/min PM period */
7131 range->pmt_flags = IW_POWER_TIMEOUT;
7132 /* What PM options are supported */
7133 range->pm_capa = IW_POWER_TIMEOUT | IW_POWER_PERIOD;
7134
7135 range->encoding_size[0] = 5;
7136 range->encoding_size[1] = 13; /* Different token sizes */
7137 range->num_encoding_sizes = 2; /* Number of entry in the list */
7138 range->max_encoding_tokens = WEP_KEYS; /* Max number of tokens */
7139// range->encoding_login_index; /* token index for login token */
7140
7141 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
7142 range->txpower_capa = IW_TXPOW_DBM;
7143 range->num_txpower = IW_MAX_TXPOWER;
7144 for (i = 0, level = (IPW_TX_POWER_MAX_DBM * 16); i < IW_MAX_TXPOWER;
7145 i++, level -= ((IPW_TX_POWER_MAX_DBM - IPW_TX_POWER_MIN_DBM) * 16) /
7146 (IW_MAX_TXPOWER - 1))
7147 range->txpower[i] = level / 16;
7148 } else {
7149 range->txpower_capa = 0;
7150 range->num_txpower = 0;
7151 }
7152
7153
7154 /* Set the Wireless Extension versions */
7155 range->we_version_compiled = WIRELESS_EXT;
7156 range->we_version_source = 16;
7157
7158// range->retry_capa; /* What retry options are supported */
7159// range->retry_flags; /* How to decode max/min retry limit */
7160// range->r_time_flags; /* How to decode max/min retry life */
7161// range->min_retry; /* Minimal number of retries */
7162// range->max_retry; /* Maximal number of retries */
7163// range->min_r_time; /* Minimal retry lifetime */
7164// range->max_r_time; /* Maximal retry lifetime */
7165
7166 range->num_channels = FREQ_COUNT;
7167
7168 val = 0;
7169 for (i = 0; i < FREQ_COUNT; i++) {
7170 // TODO: Include only legal frequencies for some countries
7171// if (local->channel_mask & (1 << i)) {
7172 range->freq[val].i = i + 1;
7173 range->freq[val].m = ipw2100_frequencies[i] * 100000;
7174 range->freq[val].e = 1;
7175 val++;
7176// }
7177 if (val == IW_MAX_FREQUENCIES)
7178 break;
7179 }
7180 range->num_frequency = val;
7181
7182 IPW_DEBUG_WX("GET Range\n");
7183
7184 return 0;
7185}
7186
7187static int ipw2100_wx_set_wap(struct net_device *dev,
7188 struct iw_request_info *info,
7189 union iwreq_data *wrqu, char *extra)
7190{
7191 struct ipw2100_priv *priv = ieee80211_priv(dev);
7192 int err = 0;
7193
7194 static const unsigned char any[] = {
7195 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
7196 };
7197 static const unsigned char off[] = {
7198 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
7199 };
7200
7201 // sanity checks
7202 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
7203 return -EINVAL;
7204
7205 down(&priv->action_sem);
7206 if (!(priv->status & STATUS_INITIALIZED)) {
7207 err = -EIO;
7208 goto done;
7209 }
7210
7211 if (!memcmp(any, wrqu->ap_addr.sa_data, ETH_ALEN) ||
7212 !memcmp(off, wrqu->ap_addr.sa_data, ETH_ALEN)) {
7213 /* we disable mandatory BSSID association */
7214 IPW_DEBUG_WX("exit - disable mandatory BSSID\n");
7215 priv->config &= ~CFG_STATIC_BSSID;
7216 err = ipw2100_set_mandatory_bssid(priv, NULL, 0);
7217 goto done;
7218 }
7219
7220 priv->config |= CFG_STATIC_BSSID;
7221 memcpy(priv->mandatory_bssid_mac, wrqu->ap_addr.sa_data, ETH_ALEN);
7222
7223 err = ipw2100_set_mandatory_bssid(priv, wrqu->ap_addr.sa_data, 0);
7224
7225 IPW_DEBUG_WX("SET BSSID -> %02X:%02X:%02X:%02X:%02X:%02X\n",
7226 wrqu->ap_addr.sa_data[0] & 0xff,
7227 wrqu->ap_addr.sa_data[1] & 0xff,
7228 wrqu->ap_addr.sa_data[2] & 0xff,
7229 wrqu->ap_addr.sa_data[3] & 0xff,
7230 wrqu->ap_addr.sa_data[4] & 0xff,
7231 wrqu->ap_addr.sa_data[5] & 0xff);
7232
7233 done:
7234 up(&priv->action_sem);
7235 return err;
7236}
7237
7238static int ipw2100_wx_get_wap(struct net_device *dev,
7239 struct iw_request_info *info,
7240 union iwreq_data *wrqu, char *extra)
7241{
7242 /*
7243 * This can be called at any time. No action lock required
7244 */
7245
7246 struct ipw2100_priv *priv = ieee80211_priv(dev);
7247
7248 /* If we are associated, trying to associate, or have a statically
7249 * configured BSSID then return that; otherwise return ANY */
7250 if (priv->config & CFG_STATIC_BSSID ||
7251 priv->status & STATUS_ASSOCIATED) {
7252 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
7253 memcpy(wrqu->ap_addr.sa_data, &priv->bssid, ETH_ALEN);
7254 } else
7255 memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
7256
7257 IPW_DEBUG_WX("Getting WAP BSSID: " MAC_FMT "\n",
7258 MAC_ARG(wrqu->ap_addr.sa_data));
7259 return 0;
7260}
7261
7262static int ipw2100_wx_set_essid(struct net_device *dev,
7263 struct iw_request_info *info,
7264 union iwreq_data *wrqu, char *extra)
7265{
7266 struct ipw2100_priv *priv = ieee80211_priv(dev);
7267 char *essid = ""; /* ANY */
7268 int length = 0;
7269 int err = 0;
7270
7271 down(&priv->action_sem);
7272 if (!(priv->status & STATUS_INITIALIZED)) {
7273 err = -EIO;
7274 goto done;
7275 }
7276
7277 if (wrqu->essid.flags && wrqu->essid.length) {
7278 length = wrqu->essid.length - 1;
7279 essid = extra;
7280 }
7281
7282 if (length == 0) {
7283 IPW_DEBUG_WX("Setting ESSID to ANY\n");
7284 priv->config &= ~CFG_STATIC_ESSID;
7285 err = ipw2100_set_essid(priv, NULL, 0, 0);
7286 goto done;
7287 }
7288
7289 length = min(length, IW_ESSID_MAX_SIZE);
7290
7291 priv->config |= CFG_STATIC_ESSID;
7292
7293 if (priv->essid_len == length && !memcmp(priv->essid, extra, length)) {
7294 IPW_DEBUG_WX("ESSID set to current ESSID.\n");
7295 err = 0;
7296 goto done;
7297 }
7298
7299 IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_essid(essid, length),
7300 length);
7301
7302 priv->essid_len = length;
7303 memcpy(priv->essid, essid, priv->essid_len);
7304
7305 err = ipw2100_set_essid(priv, essid, length, 0);
7306
7307 done:
7308 up(&priv->action_sem);
7309 return err;
7310}
7311
7312static int ipw2100_wx_get_essid(struct net_device *dev,
7313 struct iw_request_info *info,
7314 union iwreq_data *wrqu, char *extra)
7315{
7316 /*
7317 * This can be called at any time. No action lock required
7318 */
7319
7320 struct ipw2100_priv *priv = ieee80211_priv(dev);
7321
7322 /* If we are associated, trying to associate, or have a statically
7323 * configured ESSID then return that; otherwise return ANY */
7324 if (priv->config & CFG_STATIC_ESSID ||
7325 priv->status & STATUS_ASSOCIATED) {
7326 IPW_DEBUG_WX("Getting essid: '%s'\n",
7327 escape_essid(priv->essid, priv->essid_len));
7328 memcpy(extra, priv->essid, priv->essid_len);
7329 wrqu->essid.length = priv->essid_len;
7330 wrqu->essid.flags = 1; /* active */
7331 } else {
7332 IPW_DEBUG_WX("Getting essid: ANY\n");
7333 wrqu->essid.length = 0;
7334 wrqu->essid.flags = 0; /* active */
7335 }
7336
7337 return 0;
7338}
7339
7340static int ipw2100_wx_set_nick(struct net_device *dev,
7341 struct iw_request_info *info,
7342 union iwreq_data *wrqu, char *extra)
7343{
7344 /*
7345 * This can be called at any time. No action lock required
7346 */
7347
7348 struct ipw2100_priv *priv = ieee80211_priv(dev);
7349
7350 if (wrqu->data.length > IW_ESSID_MAX_SIZE)
7351 return -E2BIG;
7352
7353 wrqu->data.length = min((size_t)wrqu->data.length, sizeof(priv->nick));
7354 memset(priv->nick, 0, sizeof(priv->nick));
7355 memcpy(priv->nick, extra, wrqu->data.length);
7356
7357 IPW_DEBUG_WX("SET Nickname -> %s \n", priv->nick);
7358
7359 return 0;
7360}
7361
7362static int ipw2100_wx_get_nick(struct net_device *dev,
7363 struct iw_request_info *info,
7364 union iwreq_data *wrqu, char *extra)
7365{
7366 /*
7367 * This can be called at any time. No action lock required
7368 */
7369
7370 struct ipw2100_priv *priv = ieee80211_priv(dev);
7371
7372 wrqu->data.length = strlen(priv->nick) + 1;
7373 memcpy(extra, priv->nick, wrqu->data.length);
7374 wrqu->data.flags = 1; /* active */
7375
7376 IPW_DEBUG_WX("GET Nickname -> %s \n", extra);
7377
7378 return 0;
7379}
7380
7381static int ipw2100_wx_set_rate(struct net_device *dev,
7382 struct iw_request_info *info,
7383 union iwreq_data *wrqu, char *extra)
7384{
7385 struct ipw2100_priv *priv = ieee80211_priv(dev);
7386 u32 target_rate = wrqu->bitrate.value;
7387 u32 rate;
7388 int err = 0;
7389
7390 down(&priv->action_sem);
7391 if (!(priv->status & STATUS_INITIALIZED)) {
7392 err = -EIO;
7393 goto done;
7394 }
7395
7396 rate = 0;
7397
7398 if (target_rate == 1000000 ||
7399 (!wrqu->bitrate.fixed && target_rate > 1000000))
7400 rate |= TX_RATE_1_MBIT;
7401 if (target_rate == 2000000 ||
7402 (!wrqu->bitrate.fixed && target_rate > 2000000))
7403 rate |= TX_RATE_2_MBIT;
7404 if (target_rate == 5500000 ||
7405 (!wrqu->bitrate.fixed && target_rate > 5500000))
7406 rate |= TX_RATE_5_5_MBIT;
7407 if (target_rate == 11000000 ||
7408 (!wrqu->bitrate.fixed && target_rate > 11000000))
7409 rate |= TX_RATE_11_MBIT;
7410 if (rate == 0)
7411 rate = DEFAULT_TX_RATES;
7412
7413 err = ipw2100_set_tx_rates(priv, rate, 0);
7414
7415 IPW_DEBUG_WX("SET Rate -> %04X \n", rate);
7416 done:
7417 up(&priv->action_sem);
7418 return err;
7419}
7420
7421
7422static int ipw2100_wx_get_rate(struct net_device *dev,
7423 struct iw_request_info *info,
7424 union iwreq_data *wrqu, char *extra)
7425{
7426 struct ipw2100_priv *priv = ieee80211_priv(dev);
7427 int val;
7428 int len = sizeof(val);
7429 int err = 0;
7430
7431 if (!(priv->status & STATUS_ENABLED) ||
7432 priv->status & STATUS_RF_KILL_MASK ||
7433 !(priv->status & STATUS_ASSOCIATED)) {
7434 wrqu->bitrate.value = 0;
7435 return 0;
7436 }
7437
7438 down(&priv->action_sem);
7439 if (!(priv->status & STATUS_INITIALIZED)) {
7440 err = -EIO;
7441 goto done;
7442 }
7443
7444 err = ipw2100_get_ordinal(priv, IPW_ORD_CURRENT_TX_RATE, &val, &len);
7445 if (err) {
7446 IPW_DEBUG_WX("failed querying ordinals.\n");
7447 return err;
7448 }
7449
7450 switch (val & TX_RATE_MASK) {
7451 case TX_RATE_1_MBIT:
7452 wrqu->bitrate.value = 1000000;
7453 break;
7454 case TX_RATE_2_MBIT:
7455 wrqu->bitrate.value = 2000000;
7456 break;
7457 case TX_RATE_5_5_MBIT:
7458 wrqu->bitrate.value = 5500000;
7459 break;
7460 case TX_RATE_11_MBIT:
7461 wrqu->bitrate.value = 11000000;
7462 break;
7463 default:
7464 wrqu->bitrate.value = 0;
7465 }
7466
7467 IPW_DEBUG_WX("GET Rate -> %d \n", wrqu->bitrate.value);
7468
7469 done:
7470 up(&priv->action_sem);
7471 return err;
7472}
7473
7474static int ipw2100_wx_set_rts(struct net_device *dev,
7475 struct iw_request_info *info,
7476 union iwreq_data *wrqu, char *extra)
7477{
7478 struct ipw2100_priv *priv = ieee80211_priv(dev);
7479 int value, err;
7480
7481 /* Auto RTS not yet supported */
7482 if (wrqu->rts.fixed == 0)
7483 return -EINVAL;
7484
7485 down(&priv->action_sem);
7486 if (!(priv->status & STATUS_INITIALIZED)) {
7487 err = -EIO;
7488 goto done;
7489 }
7490
7491 if (wrqu->rts.disabled)
7492 value = priv->rts_threshold | RTS_DISABLED;
7493 else {
7494 if (wrqu->rts.value < 1 ||
7495 wrqu->rts.value > 2304) {
7496 err = -EINVAL;
7497 goto done;
7498 }
7499 value = wrqu->rts.value;
7500 }
7501
7502 err = ipw2100_set_rts_threshold(priv, value);
7503
7504 IPW_DEBUG_WX("SET RTS Threshold -> 0x%08X \n", value);
7505 done:
7506 up(&priv->action_sem);
7507 return err;
7508}
7509
7510static int ipw2100_wx_get_rts(struct net_device *dev,
7511 struct iw_request_info *info,
7512 union iwreq_data *wrqu, char *extra)
7513{
7514 /*
7515 * This can be called at any time. No action lock required
7516 */
7517
7518 struct ipw2100_priv *priv = ieee80211_priv(dev);
7519
7520 wrqu->rts.value = priv->rts_threshold & ~RTS_DISABLED;
7521 wrqu->rts.fixed = 1; /* no auto select */
7522
7523 /* If RTS is set to the default value, then it is disabled */
7524 wrqu->rts.disabled = (priv->rts_threshold & RTS_DISABLED) ? 1 : 0;
7525
7526 IPW_DEBUG_WX("GET RTS Threshold -> 0x%08X \n", wrqu->rts.value);
7527
7528 return 0;
7529}
7530
7531static int ipw2100_wx_set_txpow(struct net_device *dev,
7532 struct iw_request_info *info,
7533 union iwreq_data *wrqu, char *extra)
7534{
7535 struct ipw2100_priv *priv = ieee80211_priv(dev);
7536 int err = 0, value;
7537
7538 if (priv->ieee->iw_mode != IW_MODE_ADHOC)
7539 return -EINVAL;
7540
7541 if (wrqu->txpower.disabled == 1 || wrqu->txpower.fixed == 0)
7542 value = IPW_TX_POWER_DEFAULT;
7543 else {
7544 if (wrqu->txpower.value < IPW_TX_POWER_MIN_DBM ||
7545 wrqu->txpower.value > IPW_TX_POWER_MAX_DBM)
7546 return -EINVAL;
7547
7548 value = (wrqu->txpower.value - IPW_TX_POWER_MIN_DBM) * 16 /
7549 (IPW_TX_POWER_MAX_DBM - IPW_TX_POWER_MIN_DBM);
7550 }
7551
7552 down(&priv->action_sem);
7553 if (!(priv->status & STATUS_INITIALIZED)) {
7554 err = -EIO;
7555 goto done;
7556 }
7557
7558 err = ipw2100_set_tx_power(priv, value);
7559
7560 IPW_DEBUG_WX("SET TX Power -> %d \n", value);
7561
7562 done:
7563 up(&priv->action_sem);
7564 return err;
7565}
7566
7567static int ipw2100_wx_get_txpow(struct net_device *dev,
7568 struct iw_request_info *info,
7569 union iwreq_data *wrqu, char *extra)
7570{
7571 /*
7572 * This can be called at any time. No action lock required
7573 */
7574
7575 struct ipw2100_priv *priv = ieee80211_priv(dev);
7576
7577 if (priv->ieee->iw_mode != IW_MODE_ADHOC) {
7578 wrqu->power.disabled = 1;
7579 return 0;
7580 }
7581
7582 if (priv->tx_power == IPW_TX_POWER_DEFAULT) {
7583 wrqu->power.fixed = 0;
7584 wrqu->power.value = IPW_TX_POWER_MAX_DBM;
7585 wrqu->power.disabled = 1;
7586 } else {
7587 wrqu->power.disabled = 0;
7588 wrqu->power.fixed = 1;
7589 wrqu->power.value =
7590 (priv->tx_power *
7591 (IPW_TX_POWER_MAX_DBM - IPW_TX_POWER_MIN_DBM)) /
7592 (IPW_TX_POWER_MAX - IPW_TX_POWER_MIN) +
7593 IPW_TX_POWER_MIN_DBM;
7594 }
7595
7596 wrqu->power.flags = IW_TXPOW_DBM;
7597
7598 IPW_DEBUG_WX("GET TX Power -> %d \n", wrqu->power.value);
7599
7600 return 0;
7601}
7602
7603static int ipw2100_wx_set_frag(struct net_device *dev,
7604 struct iw_request_info *info,
7605 union iwreq_data *wrqu, char *extra)
7606{
7607 /*
7608 * This can be called at any time. No action lock required
7609 */
7610
7611 struct ipw2100_priv *priv = ieee80211_priv(dev);
7612
7613 if (!wrqu->frag.fixed)
7614 return -EINVAL;
7615
7616 if (wrqu->frag.disabled) {
7617 priv->frag_threshold |= FRAG_DISABLED;
7618 priv->ieee->fts = DEFAULT_FTS;
7619 } else {
7620 if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
7621 wrqu->frag.value > MAX_FRAG_THRESHOLD)
7622 return -EINVAL;
7623
7624 priv->ieee->fts = wrqu->frag.value & ~0x1;
7625 priv->frag_threshold = priv->ieee->fts;
7626 }
7627
7628 IPW_DEBUG_WX("SET Frag Threshold -> %d \n", priv->ieee->fts);
7629
7630 return 0;
7631}
7632
7633static int ipw2100_wx_get_frag(struct net_device *dev,
7634 struct iw_request_info *info,
7635 union iwreq_data *wrqu, char *extra)
7636{
7637 /*
7638 * This can be called at any time. No action lock required
7639 */
7640
7641 struct ipw2100_priv *priv = ieee80211_priv(dev);
7642 wrqu->frag.value = priv->frag_threshold & ~FRAG_DISABLED;
7643 wrqu->frag.fixed = 0; /* no auto select */
7644 wrqu->frag.disabled = (priv->frag_threshold & FRAG_DISABLED) ? 1 : 0;
7645
7646 IPW_DEBUG_WX("GET Frag Threshold -> %d \n", wrqu->frag.value);
7647
7648 return 0;
7649}
7650
7651static int ipw2100_wx_set_retry(struct net_device *dev,
7652 struct iw_request_info *info,
7653 union iwreq_data *wrqu, char *extra)
7654{
7655 struct ipw2100_priv *priv = ieee80211_priv(dev);
7656 int err = 0;
7657
7658 if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
7659 wrqu->retry.disabled)
7660 return -EINVAL;
7661
7662 if (!(wrqu->retry.flags & IW_RETRY_LIMIT))
7663 return 0;
7664
7665 down(&priv->action_sem);
7666 if (!(priv->status & STATUS_INITIALIZED)) {
7667 err = -EIO;
7668 goto done;
7669 }
7670
7671 if (wrqu->retry.flags & IW_RETRY_MIN) {
7672 err = ipw2100_set_short_retry(priv, wrqu->retry.value);
7673 IPW_DEBUG_WX("SET Short Retry Limit -> %d \n",
7674 wrqu->retry.value);
7675 goto done;
7676 }
7677
7678 if (wrqu->retry.flags & IW_RETRY_MAX) {
7679 err = ipw2100_set_long_retry(priv, wrqu->retry.value);
7680 IPW_DEBUG_WX("SET Long Retry Limit -> %d \n",
7681 wrqu->retry.value);
7682 goto done;
7683 }
7684
7685 err = ipw2100_set_short_retry(priv, wrqu->retry.value);
7686 if (!err)
7687 err = ipw2100_set_long_retry(priv, wrqu->retry.value);
7688
7689 IPW_DEBUG_WX("SET Both Retry Limits -> %d \n", wrqu->retry.value);
7690
7691 done:
7692 up(&priv->action_sem);
7693 return err;
7694}
7695
7696static int ipw2100_wx_get_retry(struct net_device *dev,
7697 struct iw_request_info *info,
7698 union iwreq_data *wrqu, char *extra)
7699{
7700 /*
7701 * This can be called at any time. No action lock required
7702 */
7703
7704 struct ipw2100_priv *priv = ieee80211_priv(dev);
7705
7706 wrqu->retry.disabled = 0; /* can't be disabled */
7707
7708 if ((wrqu->retry.flags & IW_RETRY_TYPE) ==
7709 IW_RETRY_LIFETIME)
7710 return -EINVAL;
7711
7712 if (wrqu->retry.flags & IW_RETRY_MAX) {
7713 wrqu->retry.flags = IW_RETRY_LIMIT & IW_RETRY_MAX;
7714 wrqu->retry.value = priv->long_retry_limit;
7715 } else {
7716 wrqu->retry.flags =
7717 (priv->short_retry_limit !=
7718 priv->long_retry_limit) ?
7719 IW_RETRY_LIMIT & IW_RETRY_MIN : IW_RETRY_LIMIT;
7720
7721 wrqu->retry.value = priv->short_retry_limit;
7722 }
7723
7724 IPW_DEBUG_WX("GET Retry -> %d \n", wrqu->retry.value);
7725
7726 return 0;
7727}
7728
7729static int ipw2100_wx_set_scan(struct net_device *dev,
7730 struct iw_request_info *info,
7731 union iwreq_data *wrqu, char *extra)
7732{
7733 struct ipw2100_priv *priv = ieee80211_priv(dev);
7734 int err = 0;
7735
7736 down(&priv->action_sem);
7737 if (!(priv->status & STATUS_INITIALIZED)) {
7738 err = -EIO;
7739 goto done;
7740 }
7741
7742 IPW_DEBUG_WX("Initiating scan...\n");
7743 if (ipw2100_set_scan_options(priv) ||
7744 ipw2100_start_scan(priv)) {
7745 IPW_DEBUG_WX("Start scan failed.\n");
7746
7747 /* TODO: Mark a scan as pending so when hardware initialized
7748 * a scan starts */
7749 }
7750
7751 done:
7752 up(&priv->action_sem);
7753 return err;
7754}
7755
7756static int ipw2100_wx_get_scan(struct net_device *dev,
7757 struct iw_request_info *info,
7758 union iwreq_data *wrqu, char *extra)
7759{
7760 /*
7761 * This can be called at any time. No action lock required
7762 */
7763
7764 struct ipw2100_priv *priv = ieee80211_priv(dev);
7765 return ieee80211_wx_get_scan(priv->ieee, info, wrqu, extra);
7766}
7767
7768
7769/*
7770 * Implementation based on code in hostap-driver v0.1.3 hostap_ioctl.c
7771 */
7772static int ipw2100_wx_set_encode(struct net_device *dev,
7773 struct iw_request_info *info,
7774 union iwreq_data *wrqu, char *key)
7775{
7776 /*
7777 * No check of STATUS_INITIALIZED required
7778 */
7779
7780 struct ipw2100_priv *priv = ieee80211_priv(dev);
7781 return ieee80211_wx_set_encode(priv->ieee, info, wrqu, key);
7782}
7783
7784static int ipw2100_wx_get_encode(struct net_device *dev,
7785 struct iw_request_info *info,
7786 union iwreq_data *wrqu, char *key)
7787{
7788 /*
7789 * This can be called at any time. No action lock required
7790 */
7791
7792 struct ipw2100_priv *priv = ieee80211_priv(dev);
7793 return ieee80211_wx_get_encode(priv->ieee, info, wrqu, key);
7794}
7795
7796static int ipw2100_wx_set_power(struct net_device *dev,
7797 struct iw_request_info *info,
7798 union iwreq_data *wrqu, char *extra)
7799{
7800 struct ipw2100_priv *priv = ieee80211_priv(dev);
7801 int err = 0;
7802
7803 down(&priv->action_sem);
7804 if (!(priv->status & STATUS_INITIALIZED)) {
7805 err = -EIO;
7806 goto done;
7807 }
7808
7809 if (wrqu->power.disabled) {
7810 priv->power_mode = IPW_POWER_LEVEL(priv->power_mode);
7811 err = ipw2100_set_power_mode(priv, IPW_POWER_MODE_CAM);
7812 IPW_DEBUG_WX("SET Power Management Mode -> off\n");
7813 goto done;
7814 }
7815
7816 switch (wrqu->power.flags & IW_POWER_MODE) {
7817 case IW_POWER_ON: /* If not specified */
7818 case IW_POWER_MODE: /* If set all mask */
7819 case IW_POWER_ALL_R: /* If explicitely state all */
7820 break;
7821 default: /* Otherwise we don't support it */
7822 IPW_DEBUG_WX("SET PM Mode: %X not supported.\n",
7823 wrqu->power.flags);
7824 err = -EOPNOTSUPP;
7825 goto done;
7826 }
7827
7828 /* If the user hasn't specified a power management mode yet, default
7829 * to BATTERY */
7830 priv->power_mode = IPW_POWER_ENABLED | priv->power_mode;
7831 err = ipw2100_set_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode));
7832
7833 IPW_DEBUG_WX("SET Power Management Mode -> 0x%02X\n",
7834 priv->power_mode);
7835
7836 done:
7837 up(&priv->action_sem);
7838 return err;
7839
7840}
7841
7842static int ipw2100_wx_get_power(struct net_device *dev,
7843 struct iw_request_info *info,
7844 union iwreq_data *wrqu, char *extra)
7845{
7846 /*
7847 * This can be called at any time. No action lock required
7848 */
7849
7850 struct ipw2100_priv *priv = ieee80211_priv(dev);
7851
7852 if (!(priv->power_mode & IPW_POWER_ENABLED)) {
7853 wrqu->power.disabled = 1;
7854 } else {
7855 wrqu->power.disabled = 0;
7856 wrqu->power.flags = 0;
7857 }
7858
7859 IPW_DEBUG_WX("GET Power Management Mode -> %02X\n", priv->power_mode);
7860
7861 return 0;
7862}
7863
7864
7865/*
7866 *
7867 * IWPRIV handlers
7868 *
7869 */
7870#ifdef CONFIG_IPW2100_MONITOR
7871static int ipw2100_wx_set_promisc(struct net_device *dev,
7872 struct iw_request_info *info,
7873 union iwreq_data *wrqu, char *extra)
7874{
7875 struct ipw2100_priv *priv = ieee80211_priv(dev);
7876 int *parms = (int *)extra;
7877 int enable = (parms[0] > 0);
7878 int err = 0;
7879
7880 down(&priv->action_sem);
7881 if (!(priv->status & STATUS_INITIALIZED)) {
7882 err = -EIO;
7883 goto done;
7884 }
7885
7886 if (enable) {
7887 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
7888 err = ipw2100_set_channel(priv, parms[1], 0);
7889 goto done;
7890 }
7891 priv->channel = parms[1];
7892 err = ipw2100_switch_mode(priv, IW_MODE_MONITOR);
7893 } else {
7894 if (priv->ieee->iw_mode == IW_MODE_MONITOR)
7895 err = ipw2100_switch_mode(priv, priv->last_mode);
7896 }
7897 done:
7898 up(&priv->action_sem);
7899 return err;
7900}
7901
7902static int ipw2100_wx_reset(struct net_device *dev,
7903 struct iw_request_info *info,
7904 union iwreq_data *wrqu, char *extra)
7905{
7906 struct ipw2100_priv *priv = ieee80211_priv(dev);
7907 if (priv->status & STATUS_INITIALIZED)
7908 schedule_reset(priv);
7909 return 0;
7910}
7911
7912#endif
7913
7914static int ipw2100_wx_set_powermode(struct net_device *dev,
7915 struct iw_request_info *info,
7916 union iwreq_data *wrqu, char *extra)
7917{
7918 struct ipw2100_priv *priv = ieee80211_priv(dev);
7919 int err = 0, mode = *(int *)extra;
7920
7921 down(&priv->action_sem);
7922 if (!(priv->status & STATUS_INITIALIZED)) {
7923 err = -EIO;
7924 goto done;
7925 }
7926
7927 if ((mode < 1) || (mode > POWER_MODES))
7928 mode = IPW_POWER_AUTO;
7929
7930 if (priv->power_mode != mode)
7931 err = ipw2100_set_power_mode(priv, mode);
7932 done:
7933 up(&priv->action_sem);
7934 return err;
7935}
7936
7937#define MAX_POWER_STRING 80
7938static int ipw2100_wx_get_powermode(struct net_device *dev,
7939 struct iw_request_info *info,
7940 union iwreq_data *wrqu, char *extra)
7941{
7942 /*
7943 * This can be called at any time. No action lock required
7944 */
7945
7946 struct ipw2100_priv *priv = ieee80211_priv(dev);
7947 int level = IPW_POWER_LEVEL(priv->power_mode);
7948 s32 timeout, period;
7949
7950 if (!(priv->power_mode & IPW_POWER_ENABLED)) {
7951 snprintf(extra, MAX_POWER_STRING,
7952 "Power save level: %d (Off)", level);
7953 } else {
7954 switch (level) {
7955 case IPW_POWER_MODE_CAM:
7956 snprintf(extra, MAX_POWER_STRING,
7957 "Power save level: %d (None)", level);
7958 break;
7959 case IPW_POWER_AUTO:
7960 snprintf(extra, MAX_POWER_STRING,
7961 "Power save level: %d (Auto)", 0);
7962 break;
7963 default:
7964 timeout = timeout_duration[level - 1] / 1000;
7965 period = period_duration[level - 1] / 1000;
7966 snprintf(extra, MAX_POWER_STRING,
7967 "Power save level: %d "
7968 "(Timeout %dms, Period %dms)",
7969 level, timeout, period);
7970 }
7971 }
7972
7973 wrqu->data.length = strlen(extra) + 1;
7974
7975 return 0;
7976}
7977
7978
7979static int ipw2100_wx_set_preamble(struct net_device *dev,
7980 struct iw_request_info *info,
7981 union iwreq_data *wrqu, char *extra)
7982{
7983 struct ipw2100_priv *priv = ieee80211_priv(dev);
7984 int err, mode = *(int *)extra;
7985
7986 down(&priv->action_sem);
7987 if (!(priv->status & STATUS_INITIALIZED)) {
7988 err = -EIO;
7989 goto done;
7990 }
7991
7992 if (mode == 1)
7993 priv->config |= CFG_LONG_PREAMBLE;
7994 else if (mode == 0)
7995 priv->config &= ~CFG_LONG_PREAMBLE;
7996 else {
7997 err = -EINVAL;
7998 goto done;
7999 }
8000
8001 err = ipw2100_system_config(priv, 0);
8002
8003done:
8004 up(&priv->action_sem);
8005 return err;
8006}
8007
8008static int ipw2100_wx_get_preamble(struct net_device *dev,
8009 struct iw_request_info *info,
8010 union iwreq_data *wrqu, char *extra)
8011{
8012 /*
8013 * This can be called at any time. No action lock required
8014 */
8015
8016 struct ipw2100_priv *priv = ieee80211_priv(dev);
8017
8018 if (priv->config & CFG_LONG_PREAMBLE)
8019 snprintf(wrqu->name, IFNAMSIZ, "long (1)");
8020 else
8021 snprintf(wrqu->name, IFNAMSIZ, "auto (0)");
8022
8023 return 0;
8024}
8025
8026static iw_handler ipw2100_wx_handlers[] =
8027{
8028 NULL, /* SIOCSIWCOMMIT */
8029 ipw2100_wx_get_name, /* SIOCGIWNAME */
8030 NULL, /* SIOCSIWNWID */
8031 NULL, /* SIOCGIWNWID */
8032 ipw2100_wx_set_freq, /* SIOCSIWFREQ */
8033 ipw2100_wx_get_freq, /* SIOCGIWFREQ */
8034 ipw2100_wx_set_mode, /* SIOCSIWMODE */
8035 ipw2100_wx_get_mode, /* SIOCGIWMODE */
8036 NULL, /* SIOCSIWSENS */
8037 NULL, /* SIOCGIWSENS */
8038 NULL, /* SIOCSIWRANGE */
8039 ipw2100_wx_get_range, /* SIOCGIWRANGE */
8040 NULL, /* SIOCSIWPRIV */
8041 NULL, /* SIOCGIWPRIV */
8042 NULL, /* SIOCSIWSTATS */
8043 NULL, /* SIOCGIWSTATS */
8044 NULL, /* SIOCSIWSPY */
8045 NULL, /* SIOCGIWSPY */
8046 NULL, /* SIOCGIWTHRSPY */
8047 NULL, /* SIOCWIWTHRSPY */
8048 ipw2100_wx_set_wap, /* SIOCSIWAP */
8049 ipw2100_wx_get_wap, /* SIOCGIWAP */
8050 NULL, /* -- hole -- */
8724a118 8051 NULL, /* SIOCGIWAPLIST -- deprecated */
2c86c275
JK		 8052 ipw2100_wx_set_scan, /* SIOCSIWSCAN */
8053 ipw2100_wx_get_scan, /* SIOCGIWSCAN */
8054 ipw2100_wx_set_essid, /* SIOCSIWESSID */
8055 ipw2100_wx_get_essid, /* SIOCGIWESSID */
8056 ipw2100_wx_set_nick, /* SIOCSIWNICKN */
8057 ipw2100_wx_get_nick, /* SIOCGIWNICKN */
8058 NULL, /* -- hole -- */
8059 NULL, /* -- hole -- */
8060 ipw2100_wx_set_rate, /* SIOCSIWRATE */
8061 ipw2100_wx_get_rate, /* SIOCGIWRATE */
8062 ipw2100_wx_set_rts, /* SIOCSIWRTS */
8063 ipw2100_wx_get_rts, /* SIOCGIWRTS */
8064 ipw2100_wx_set_frag, /* SIOCSIWFRAG */
8065 ipw2100_wx_get_frag, /* SIOCGIWFRAG */
8066 ipw2100_wx_set_txpow, /* SIOCSIWTXPOW */
8067 ipw2100_wx_get_txpow, /* SIOCGIWTXPOW */
8068 ipw2100_wx_set_retry, /* SIOCSIWRETRY */
8069 ipw2100_wx_get_retry, /* SIOCGIWRETRY */
8070 ipw2100_wx_set_encode, /* SIOCSIWENCODE */
8071 ipw2100_wx_get_encode, /* SIOCGIWENCODE */
8072 ipw2100_wx_set_power, /* SIOCSIWPOWER */
8073 ipw2100_wx_get_power, /* SIOCGIWPOWER */
8074};
8075
8076#define IPW2100_PRIV_SET_MONITOR SIOCIWFIRSTPRIV
8077#define IPW2100_PRIV_RESET SIOCIWFIRSTPRIV+1
8078#define IPW2100_PRIV_SET_POWER SIOCIWFIRSTPRIV+2
8079#define IPW2100_PRIV_GET_POWER SIOCIWFIRSTPRIV+3
8080#define IPW2100_PRIV_SET_LONGPREAMBLE SIOCIWFIRSTPRIV+4
8081#define IPW2100_PRIV_GET_LONGPREAMBLE SIOCIWFIRSTPRIV+5
8082
8083static const struct iw_priv_args ipw2100_private_args[] = {
8084
8085#ifdef CONFIG_IPW2100_MONITOR
8086 {
8087 IPW2100_PRIV_SET_MONITOR,
8088 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "monitor"
8089 },
8090 {
8091 IPW2100_PRIV_RESET,
8092 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 0, 0, "reset"
8093 },
8094#endif /* CONFIG_IPW2100_MONITOR */
8095
8096 {
8097 IPW2100_PRIV_SET_POWER,
8098 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_power"
8099 },
8100 {
8101 IPW2100_PRIV_GET_POWER,
8102 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_POWER_STRING, "get_power"
8103 },
8104 {
8105 IPW2100_PRIV_SET_LONGPREAMBLE,
8106 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble"
8107 },
8108 {
8109 IPW2100_PRIV_GET_LONGPREAMBLE,
8110 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | IFNAMSIZ, "get_preamble"
8111 },
8112};
8113
8114static iw_handler ipw2100_private_handler[] = {
8115#ifdef CONFIG_IPW2100_MONITOR
8116 ipw2100_wx_set_promisc,
8117 ipw2100_wx_reset,
8118#else /* CONFIG_IPW2100_MONITOR */
8119 NULL,
8120 NULL,
8121#endif /* CONFIG_IPW2100_MONITOR */
8122 ipw2100_wx_set_powermode,
8123 ipw2100_wx_get_powermode,
8124 ipw2100_wx_set_preamble,
8125 ipw2100_wx_get_preamble,
8126};
8127
8128struct iw_handler_def ipw2100_wx_handler_def =
8129{
8130 .standard = ipw2100_wx_handlers,
8131 .num_standard = sizeof(ipw2100_wx_handlers) / sizeof(iw_handler),
8132 .num_private = sizeof(ipw2100_private_handler) / sizeof(iw_handler),
8133 .num_private_args = sizeof(ipw2100_private_args) /
8134 sizeof(struct iw_priv_args),
8135 .private = (iw_handler *)ipw2100_private_handler,
8136 .private_args = (struct iw_priv_args *)ipw2100_private_args,
8137};
8138
8139/*
8140 * Get wireless statistics.
8141 * Called by /proc/net/wireless
8142 * Also called by SIOCGIWSTATS
8143 */
8144struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device * dev)
8145{
8146 enum {
8147 POOR = 30,
8148 FAIR = 60,
8149 GOOD = 80,
8150 VERY_GOOD = 90,
8151 EXCELLENT = 95,
8152 PERFECT = 100
8153 };
8154 int rssi_qual;
8155 int tx_qual;
8156 int beacon_qual;
8157
8158 struct ipw2100_priv *priv = ieee80211_priv(dev);
8159 struct iw_statistics *wstats;
8160 u32 rssi, quality, tx_retries, missed_beacons, tx_failures;
8161 u32 ord_len = sizeof(u32);
8162
8163 if (!priv)
8164 return (struct iw_statistics *) NULL;
8165
8166 wstats = &priv->wstats;
8167
8168 /* if hw is disabled, then ipw2100_get_ordinal() can't be called.
8169 * ipw2100_wx_wireless_stats seems to be called before fw is
8170 * initialized. STATUS_ASSOCIATED will only be set if the hw is up
8171 * and associated; if not associcated, the values are all meaningless
8172 * anyway, so set them all to NULL and INVALID */
8173 if (!(priv->status & STATUS_ASSOCIATED)) {
8174 wstats->miss.beacon = 0;
8175 wstats->discard.retries = 0;
8176 wstats->qual.qual = 0;
8177 wstats->qual.level = 0;
8178 wstats->qual.noise = 0;
8179 wstats->qual.updated = 7;
8180 wstats->qual.updated |= IW_QUAL_NOISE_INVALID |
8181 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
8182 return wstats;
8183 }
8184
8185 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_PERCENT_MISSED_BCNS,
8186 &missed_beacons, &ord_len))
8187 goto fail_get_ordinal;
8188
8189 /* If we don't have a connection the quality and level is 0*/
8190 if (!(priv->status & STATUS_ASSOCIATED)) {
8191 wstats->qual.qual = 0;
8192 wstats->qual.level = 0;
8193 } else {
8194 if (ipw2100_get_ordinal(priv, IPW_ORD_RSSI_AVG_CURR,
8195 &rssi, &ord_len))
8196 goto fail_get_ordinal;
8197 wstats->qual.level = rssi + IPW2100_RSSI_TO_DBM;
8198 if (rssi < 10)
8199 rssi_qual = rssi * POOR / 10;
8200 else if (rssi < 15)
8201 rssi_qual = (rssi - 10) * (FAIR - POOR) / 5 + POOR;
8202 else if (rssi < 20)
8203 rssi_qual = (rssi - 15) * (GOOD - FAIR) / 5 + FAIR;
8204 else if (rssi < 30)
8205 rssi_qual = (rssi - 20) * (VERY_GOOD - GOOD) /
8206 10 + GOOD;
8207 else
8208 rssi_qual = (rssi - 30) * (PERFECT - VERY_GOOD) /
8209 10 + VERY_GOOD;
8210
8211 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_PERCENT_RETRIES,
8212 &tx_retries, &ord_len))
8213 goto fail_get_ordinal;
8214
8215 if (tx_retries > 75)
8216 tx_qual = (90 - tx_retries) * POOR / 15;
8217 else if (tx_retries > 70)
8218 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
8219 else if (tx_retries > 65)
8220 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
8221 else if (tx_retries > 50)
8222 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
8223 15 + GOOD;
8224 else
8225 tx_qual = (50 - tx_retries) *
8226 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
8227
8228 if (missed_beacons > 50)
8229 beacon_qual = (60 - missed_beacons) * POOR / 10;
8230 else if (missed_beacons > 40)
8231 beacon_qual = (50 - missed_beacons) * (FAIR - POOR) /
8232 10 + POOR;
8233 else if (missed_beacons > 32)
8234 beacon_qual = (40 - missed_beacons) * (GOOD - FAIR) /
8235 18 + FAIR;
8236 else if (missed_beacons > 20)
8237 beacon_qual = (32 - missed_beacons) *
8238 (VERY_GOOD - GOOD) / 20 + GOOD;
8239 else
8240 beacon_qual = (20 - missed_beacons) *
8241 (PERFECT - VERY_GOOD) / 20 + VERY_GOOD;
8242
8243 quality = min(beacon_qual, min(tx_qual, rssi_qual));
8244
8245#ifdef CONFIG_IPW_DEBUG
8246 if (beacon_qual == quality)
8247 IPW_DEBUG_WX("Quality clamped by Missed Beacons\n");
8248 else if (tx_qual == quality)
8249 IPW_DEBUG_WX("Quality clamped by Tx Retries\n");
8250 else if (quality != 100)
8251 IPW_DEBUG_WX("Quality clamped by Signal Strength\n");
8252 else
8253 IPW_DEBUG_WX("Quality not clamped.\n");
8254#endif
8255
8256 wstats->qual.qual = quality;
8257 wstats->qual.level = rssi + IPW2100_RSSI_TO_DBM;
8258 }
8259
8260 wstats->qual.noise = 0;
8261 wstats->qual.updated = 7;
8262 wstats->qual.updated |= IW_QUAL_NOISE_INVALID;
8263
8264 /* FIXME: this is percent and not a # */
8265 wstats->miss.beacon = missed_beacons;
8266
8267 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_TX_FAILURES,
8268 &tx_failures, &ord_len))
8269 goto fail_get_ordinal;
8270 wstats->discard.retries = tx_failures;
8271
8272 return wstats;
8273
8274 fail_get_ordinal:
8275 IPW_DEBUG_WX("failed querying ordinals.\n");
8276
8277 return (struct iw_statistics *) NULL;
8278}
8279
8280void ipw2100_wx_event_work(struct ipw2100_priv *priv)
8281{
8282 union iwreq_data wrqu;
8283 int len = ETH_ALEN;
8284
8285 if (priv->status & STATUS_STOPPING)
8286 return;
8287
8288 down(&priv->action_sem);
8289
8290 IPW_DEBUG_WX("enter\n");
8291
8292 up(&priv->action_sem);
8293
8294 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
8295
8296 /* Fetch BSSID from the hardware */
8297 if (!(priv->status & (STATUS_ASSOCIATING | STATUS_ASSOCIATED)) ||
8298 priv->status & STATUS_RF_KILL_MASK ||
8299 ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID,
8300 &priv->bssid, &len)) {
8301 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
8302 } else {
8303 /* We now have the BSSID, so can finish setting to the full
8304 * associated state */
8305 memcpy(wrqu.ap_addr.sa_data, priv->bssid, ETH_ALEN);
8306 memcpy(&priv->ieee->bssid, priv->bssid, ETH_ALEN);
8307 priv->status &= ~STATUS_ASSOCIATING;
8308 priv->status |= STATUS_ASSOCIATED;
8309 netif_carrier_on(priv->net_dev);
8310 if (netif_queue_stopped(priv->net_dev)) {
8311 IPW_DEBUG_INFO("Waking net queue.\n");
8312 netif_wake_queue(priv->net_dev);
8313 } else {
8314 IPW_DEBUG_INFO("Starting net queue.\n");
8315 netif_start_queue(priv->net_dev);
8316 }
8317 }
8318
8319 if (!(priv->status & STATUS_ASSOCIATED)) {
8320 IPW_DEBUG_WX("Configuring ESSID\n");
8321 down(&priv->action_sem);
8322 /* This is a disassociation event, so kick the firmware to
8323 * look for another AP */
8324 if (priv->config & CFG_STATIC_ESSID)
8325 ipw2100_set_essid(priv, priv->essid, priv->essid_len, 0);
8326 else
8327 ipw2100_set_essid(priv, NULL, 0, 0);
8328 up(&priv->action_sem);
8329 }
8330
8331 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
8332}
8333
8334#define IPW2100_FW_MAJOR_VERSION 1
8335#define IPW2100_FW_MINOR_VERSION 3
8336
8337#define IPW2100_FW_MINOR(x) ((x & 0xff) >> 8)
8338#define IPW2100_FW_MAJOR(x) (x & 0xff)
8339
8340#define IPW2100_FW_VERSION ((IPW2100_FW_MINOR_VERSION << 8) | \
8341 IPW2100_FW_MAJOR_VERSION)
8342
8343#define IPW2100_FW_PREFIX "ipw2100-" __stringify(IPW2100_FW_MAJOR_VERSION) \
8344"." __stringify(IPW2100_FW_MINOR_VERSION)
8345
8346#define IPW2100_FW_NAME(x) IPW2100_FW_PREFIX "" x ".fw"
8347
8348
8349/*
8350
8351BINARY FIRMWARE HEADER FORMAT
8352
8353offset length desc
83540 2 version
83552 2 mode == 0:BSS,1:IBSS,2:MONITOR
83564 4 fw_len
83578 4 uc_len
8358C fw_len firmware data
835912 + fw_len uc_len microcode data
8360
8361*/
8362
8363struct ipw2100_fw_header {
8364 short version;
8365 short mode;
8366 unsigned int fw_size;
8367 unsigned int uc_size;
8368} __attribute__ ((packed));
8369
8370
8371
8372static int ipw2100_mod_firmware_load(struct ipw2100_fw *fw)
8373{
8374 struct ipw2100_fw_header *h =
8375 (struct ipw2100_fw_header *)fw->fw_entry->data;
8376
8377 if (IPW2100_FW_MAJOR(h->version) != IPW2100_FW_MAJOR_VERSION) {
8378 IPW_DEBUG_WARNING("Firmware image not compatible "
8379 "(detected version id of %u). "
8380 "See Documentation/networking/README.ipw2100\n",
8381 h->version);
8382 return 1;
8383 }
8384
8385 fw->version = h->version;
8386 fw->fw.data = fw->fw_entry->data + sizeof(struct ipw2100_fw_header);
8387 fw->fw.size = h->fw_size;
8388 fw->uc.data = fw->fw.data + h->fw_size;
8389 fw->uc.size = h->uc_size;
8390
8391 return 0;
8392}
8393
8394
8395int ipw2100_get_firmware(struct ipw2100_priv *priv, struct ipw2100_fw *fw)
8396{
8397 char *fw_name;
8398 int rc;
8399
8400 IPW_DEBUG_INFO("%s: Using hotplug firmware load.\n",
8401 priv->net_dev->name);
8402
8403 switch (priv->ieee->iw_mode) {
8404 case IW_MODE_ADHOC:
8405 fw_name = IPW2100_FW_NAME("-i");
8406 break;
8407#ifdef CONFIG_IPW2100_MONITOR
8408 case IW_MODE_MONITOR:
8409 fw_name = IPW2100_FW_NAME("-p");
8410 break;
8411#endif
8412 case IW_MODE_INFRA:
8413 default:
8414 fw_name = IPW2100_FW_NAME("");
8415 break;
8416 }
8417
8418 rc = request_firmware(&fw->fw_entry, fw_name, &priv->pci_dev->dev);
8419
8420 if (rc < 0) {
8421 IPW_DEBUG_ERROR(
8422 "%s: Firmware '%s' not available or load failed.\n",
8423 priv->net_dev->name, fw_name);
8424 return rc;
8425 }
aaa4d308 8426 IPW_DEBUG_INFO("firmware data %p size %zd\n", fw->fw_entry->data,
2c86c275
JK		 8427 fw->fw_entry->size);
8428
8429 ipw2100_mod_firmware_load(fw);
8430
8431 return 0;
8432}
8433
8434void ipw2100_release_firmware(struct ipw2100_priv *priv,
8435 struct ipw2100_fw *fw)
8436{
8437 fw->version = 0;
8438 if (fw->fw_entry)
8439 release_firmware(fw->fw_entry);
8440 fw->fw_entry = NULL;
8441}
8442
8443
8444int ipw2100_get_fwversion(struct ipw2100_priv *priv, char *buf, size_t max)
8445{
8446 char ver[MAX_FW_VERSION_LEN];
8447 u32 len = MAX_FW_VERSION_LEN;
8448 u32 tmp;
8449 int i;
8450 /* firmware version is an ascii string (max len of 14) */
8451 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_FW_VER_NUM,
8452 ver, &len))
8453 return -EIO;
8454 tmp = max;
8455 if (len >= max)
8456 len = max - 1;
8457 for (i = 0; i < len; i++)
8458 buf[i] = ver[i];
8459 buf[i] = '\0';
8460 return tmp;
8461}
8462
8463int ipw2100_get_ucodeversion(struct ipw2100_priv *priv, char *buf, size_t max)
8464{
8465 u32 ver;
8466 u32 len = sizeof(ver);
8467 /* microcode version is a 32 bit integer */
8468 if (ipw2100_get_ordinal(priv, IPW_ORD_UCODE_VERSION,
8469 &ver, &len))
8470 return -EIO;
8471 return snprintf(buf, max, "%08X", ver);
8472}
8473
8474/*
8475 * On exit, the firmware will have been freed from the fw list
8476 */
8477int ipw2100_fw_download(struct ipw2100_priv *priv, struct ipw2100_fw *fw)
8478{
8479 /* firmware is constructed of N contiguous entries, each entry is
8480 * structured as:
8481 *
8482 * offset sie desc
8483 * 0 4 address to write to
8484 * 4 2 length of data run
8485 * 6 length data
8486 */
8487 unsigned int addr;
8488 unsigned short len;
8489
8490 const unsigned char *firmware_data = fw->fw.data;
8491 unsigned int firmware_data_left = fw->fw.size;
8492
8493 while (firmware_data_left > 0) {
8494 addr = *(u32 *)(firmware_data);
8495 firmware_data += 4;
8496 firmware_data_left -= 4;
8497
8498 len = *(u16 *)(firmware_data);
8499 firmware_data += 2;
8500 firmware_data_left -= 2;
8501
8502 if (len > 32) {
8503 IPW_DEBUG_ERROR(
8504 "Invalid firmware run-length of %d bytes\n",
8505 len);
8506 return -EINVAL;
8507 }
8508
8509 write_nic_memory(priv->net_dev, addr, len, firmware_data);
8510 firmware_data += len;
8511 firmware_data_left -= len;
8512 }
8513
8514 return 0;
8515}
8516
8517struct symbol_alive_response {
8518 u8 cmd_id;
8519 u8 seq_num;
8520 u8 ucode_rev;
8521 u8 eeprom_valid;
8522 u16 valid_flags;
8523 u8 IEEE_addr[6];
8524 u16 flags;
8525 u16 pcb_rev;
8526 u16 clock_settle_time; // 1us LSB
8527 u16 powerup_settle_time; // 1us LSB
8528 u16 hop_settle_time; // 1us LSB
8529 u8 date[3]; // month, day, year
8530 u8 time[2]; // hours, minutes
8531 u8 ucode_valid;
8532};
8533
8534int ipw2100_ucode_download(struct ipw2100_priv *priv, struct ipw2100_fw *fw)
8535{
8536 struct net_device *dev = priv->net_dev;
8537 const unsigned char *microcode_data = fw->uc.data;
8538 unsigned int microcode_data_left = fw->uc.size;
8539
8540 struct symbol_alive_response response;
8541 int i, j;
8542 u8 data;
8543
8544 /* Symbol control */
8545 write_nic_word(dev, IPW2100_CONTROL_REG, 0x703);
8546 readl((void *)(dev->base_addr));
8547 write_nic_word(dev, IPW2100_CONTROL_REG, 0x707);
8548 readl((void *)(dev->base_addr));
8549
8550 /* HW config */
8551 write_nic_byte(dev, 0x210014, 0x72); /* fifo width =16 */
8552 readl((void *)(dev->base_addr));
8553 write_nic_byte(dev, 0x210014, 0x72); /* fifo width =16 */
8554 readl((void *)(dev->base_addr));
8555
8556 /* EN_CS_ACCESS bit to reset control store pointer */
8557 write_nic_byte(dev, 0x210000, 0x40);
8558 readl((void *)(dev->base_addr));
8559 write_nic_byte(dev, 0x210000, 0x0);
8560 readl((void *)(dev->base_addr));
8561 write_nic_byte(dev, 0x210000, 0x40);
8562 readl((void *)(dev->base_addr));
8563
8564 /* copy microcode from buffer into Symbol */
8565
8566 while (microcode_data_left > 0) {
8567 write_nic_byte(dev, 0x210010, *microcode_data++);
8568 write_nic_byte(dev, 0x210010, *microcode_data++);
8569 microcode_data_left -= 2;
8570 }
8571
8572 /* EN_CS_ACCESS bit to reset the control store pointer */
8573 write_nic_byte(dev, 0x210000, 0x0);
8574 readl((void *)(dev->base_addr));
8575
8576 /* Enable System (Reg 0)
8577 * first enable causes garbage in RX FIFO */
8578 write_nic_byte(dev, 0x210000, 0x0);
8579 readl((void *)(dev->base_addr));
8580 write_nic_byte(dev, 0x210000, 0x80);
8581 readl((void *)(dev->base_addr));
8582
8583 /* Reset External Baseband Reg */
8584 write_nic_word(dev, IPW2100_CONTROL_REG, 0x703);
8585 readl((void *)(dev->base_addr));
8586 write_nic_word(dev, IPW2100_CONTROL_REG, 0x707);
8587 readl((void *)(dev->base_addr));
8588
8589 /* HW Config (Reg 5) */
8590 write_nic_byte(dev, 0x210014, 0x72); // fifo width =16
8591 readl((void *)(dev->base_addr));
8592 write_nic_byte(dev, 0x210014, 0x72); // fifo width =16
8593 readl((void *)(dev->base_addr));
8594
8595 /* Enable System (Reg 0)
8596 * second enable should be OK */
8597 write_nic_byte(dev, 0x210000, 0x00); // clear enable system
8598 readl((void *)(dev->base_addr));
8599 write_nic_byte(dev, 0x210000, 0x80); // set enable system
8600
8601 /* check Symbol is enabled - upped this from 5 as it wasn't always
8602 * catching the update */
8603 for (i = 0; i < 10; i++) {
8604 udelay(10);
8605
8606 /* check Dino is enabled bit */
8607 read_nic_byte(dev, 0x210000, &data);
8608 if (data & 0x1)
8609 break;
8610 }
8611
8612 if (i == 10) {
8613 IPW_DEBUG_ERROR("%s: Error initializing Symbol\n",
8614 dev->name);
8615 return -EIO;
8616 }
8617
8618 /* Get Symbol alive response */
8619 for (i = 0; i < 30; i++) {
8620 /* Read alive response structure */
8621 for (j = 0;
8622 j < (sizeof(struct symbol_alive_response) >> 1);
8623 j++)
8624 read_nic_word(dev, 0x210004,
8625 ((u16 *)&response) + j);
8626
8627 if ((response.cmd_id == 1) &&
8628 (response.ucode_valid == 0x1))
8629 break;
8630 udelay(10);
8631 }
8632
8633 if (i == 30) {
8634 IPW_DEBUG_ERROR("%s: No response from Symbol - hw not alive\n",
8635 dev->name);
8636 printk_buf(IPW_DL_ERROR, (u8*)&response, sizeof(response));
8637 return -EIO;
8638 }
8639
8640 return 0;
8641}
Linux 6.x block layer and io_uring tree(s)