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proc: use seq_puts()/seq_putc() where possible
[linux-2.6/next.git] / drivers / net / wireless / ipw2x00 / ipw2100.c
blob61915f371416e490cbf73d89d65595aadc1e6a98
1 /******************************************************************************
2
3 Copyright(c) 2003 - 2006 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 Intel Linux Wireless <ilw@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 <j@w1.fi>
32 Copyright (c) 2002-2003, Jouni Malinen <j@w1.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
46 Theory of Operation
47
48 Tx - Commands and Data
49
50 Firmware and host share a circular queue of Transmit Buffer Descriptors (TBDs)
51 Each TBD contains a pointer to the physical (dma_addr_t) address of data being
52 sent to the firmware as well as the length of the data.
53
54 The host writes to the TBD queue at the WRITE index. The WRITE index points
55 to the _next_ packet to be written and is advanced when after the TBD has been
56 filled.
57
58 The firmware pulls from the TBD queue at the READ index. The READ index points
59 to the currently being read entry, and is advanced once the firmware is
60 done with a packet.
61
62 When data is sent to the firmware, the first TBD is used to indicate to the
63 firmware if a Command or Data is being sent. If it is Command, all of the
64 command information is contained within the physical address referred to by the
65 TBD. If it is Data, the first TBD indicates the type of data packet, number
66 of fragments, etc. The next TBD then referrs to the actual packet location.
67
68 The Tx flow cycle is as follows:
69
70 1) ipw2100_tx() is called by kernel with SKB to transmit
71 2) Packet is move from the tx_free_list and appended to the transmit pending
72 list (tx_pend_list)
73 3) work is scheduled to move pending packets into the shared circular queue.
74 4) 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.
78 5) the packet is removed from tx_pend_list and placed on the end of the
79 firmware pending list (fw_pend_list)
80 6) firmware is notified that the WRITE index has
81 7) Once the firmware has processed the TBD, INTA is triggered.
82 8) For each Tx interrupt received from the firmware, the READ index is checked
83 to see which TBDs are done being processed.
84 9) For each TBD that has been processed, the ISR pulls the oldest packet
85 from the fw_pend_list.
86 10)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.
89 11)The packet structure is placed onto the tx_free_list
90
91 The above steps are the same for commands, only the msg_free_list/msg_pend_list
92 are used instead of tx_free_list/tx_pend_list
93
94 ...
95
96 Critical Sections / Locking :
97
98 There are two locks utilized. The first is the low level lock (priv->low_lock)
99 that 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()
109 HEAD modified by ipw2100_tx_send_data()
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()
117 HEAD modified in ipw2100_tx_send_commands()
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
130 All external entry functions are locked with the priv->action_lock to ensure
131 that only one external action is invoked at a time.
132
133
134 */
135
136 #include <linux/compiler.h>
137 #include <linux/errno.h>
138 #include <linux/if_arp.h>
139 #include <linux/in6.h>
140 #include <linux/in.h>
141 #include <linux/ip.h>
142 #include <linux/kernel.h>
143 #include <linux/kmod.h>
144 #include <linux/module.h>
145 #include <linux/netdevice.h>
146 #include <linux/ethtool.h>
147 #include <linux/pci.h>
148 #include <linux/dma-mapping.h>
149 #include <linux/proc_fs.h>
150 #include <linux/skbuff.h>
151 #include <asm/uaccess.h>
152 #include <asm/io.h>
153 #include <linux/fs.h>
154 #include <linux/mm.h>
155 #include <linux/slab.h>
156 #include <linux/unistd.h>
157 #include <linux/stringify.h>
158 #include <linux/tcp.h>
159 #include <linux/types.h>
160 #include <linux/time.h>
161 #include <linux/firmware.h>
162 #include <linux/acpi.h>
163 #include <linux/ctype.h>
164 #include <linux/pm_qos_params.h>
165
166 #include <net/lib80211.h>
167
168 #include "ipw2100.h"
169
170 #define IPW2100_VERSION "git-1.2.2"
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) 2003-2006 Intel Corporation"
176
177 static struct pm_qos_request_list ipw2100_pm_qos_req;
178
179 /* Debugging stuff */
180 #ifdef CONFIG_IPW2100_DEBUG
181 #define IPW2100_RX_DEBUG /* Reception debugging */
182 #endif
183
184 MODULE_DESCRIPTION(DRV_DESCRIPTION);
185 MODULE_VERSION(DRV_VERSION);
186 MODULE_AUTHOR(DRV_COPYRIGHT);
187 MODULE_LICENSE("GPL");
188
189 static int debug = 0;
190 static int network_mode = 0;
191 static int channel = 0;
192 static int associate = 0;
193 static int disable = 0;
194 #ifdef CONFIG_PM
195 static struct ipw2100_fw ipw2100_firmware;
196 #endif
197
198 #include <linux/moduleparam.h>
199 module_param(debug, int, 0444);
200 module_param_named(mode, network_mode, int, 0444);
201 module_param(channel, int, 0444);
202 module_param(associate, int, 0444);
203 module_param(disable, int, 0444);
204
205 MODULE_PARM_DESC(debug, "debug level");
206 MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)");
207 MODULE_PARM_DESC(channel, "channel");
208 MODULE_PARM_DESC(associate, "auto associate when scanning (default off)");
209 MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])");
210
211 static u32 ipw2100_debug_level = IPW_DL_NONE;
212
213 #ifdef CONFIG_IPW2100_DEBUG
214 #define IPW_DEBUG(level, message...) \
215 do { \
216 if (ipw2100_debug_level & (level)) { \
217 printk(KERN_DEBUG "ipw2100: %c %s ", \
218 in_interrupt() ? 'I' : 'U', __func__); \
219 printk(message); \
220 } \
221 } while (0)
222 #else
223 #define IPW_DEBUG(level, message...) do {} while (0)
224 #endif /* CONFIG_IPW2100_DEBUG */
225
226 #ifdef CONFIG_IPW2100_DEBUG
227 static const char *command_types[] = {
228 "undefined",
229 "unused", /* HOST_ATTENTION */
230 "HOST_COMPLETE",
231 "unused", /* SLEEP */
232 "unused", /* HOST_POWER_DOWN */
233 "unused",
234 "SYSTEM_CONFIG",
235 "unused", /* SET_IMR */
236 "SSID",
237 "MANDATORY_BSSID",
238 "AUTHENTICATION_TYPE",
239 "ADAPTER_ADDRESS",
240 "PORT_TYPE",
241 "INTERNATIONAL_MODE",
242 "CHANNEL",
243 "RTS_THRESHOLD",
244 "FRAG_THRESHOLD",
245 "POWER_MODE",
246 "TX_RATES",
247 "BASIC_TX_RATES",
248 "WEP_KEY_INFO",
249 "unused",
250 "unused",
251 "unused",
252 "unused",
253 "WEP_KEY_INDEX",
254 "WEP_FLAGS",
255 "ADD_MULTICAST",
256 "CLEAR_ALL_MULTICAST",
257 "BEACON_INTERVAL",
258 "ATIM_WINDOW",
259 "CLEAR_STATISTICS",
260 "undefined",
261 "undefined",
262 "undefined",
263 "undefined",
264 "TX_POWER_INDEX",
265 "undefined",
266 "undefined",
267 "undefined",
268 "undefined",
269 "undefined",
270 "undefined",
271 "BROADCAST_SCAN",
272 "CARD_DISABLE",
273 "PREFERRED_BSSID",
274 "SET_SCAN_OPTIONS",
275 "SCAN_DWELL_TIME",
276 "SWEEP_TABLE",
277 "AP_OR_STATION_TABLE",
278 "GROUP_ORDINALS",
279 "SHORT_RETRY_LIMIT",
280 "LONG_RETRY_LIMIT",
281 "unused", /* SAVE_CALIBRATION */
282 "unused", /* RESTORE_CALIBRATION */
283 "undefined",
284 "undefined",
285 "undefined",
286 "HOST_PRE_POWER_DOWN",
287 "unused", /* HOST_INTERRUPT_COALESCING */
288 "undefined",
289 "CARD_DISABLE_PHY_OFF",
290 "MSDU_TX_RATES" "undefined",
291 "undefined",
292 "SET_STATION_STAT_BITS",
293 "CLEAR_STATIONS_STAT_BITS",
294 "LEAP_ROGUE_MODE",
295 "SET_SECURITY_INFORMATION",
296 "DISASSOCIATION_BSSID",
297 "SET_WPA_ASS_IE"
298 };
299 #endif
300
301 #define WEXT_USECHANNELS 1
302
303 static const long ipw2100_frequencies[] = {
304 2412, 2417, 2422, 2427,
305 2432, 2437, 2442, 2447,
306 2452, 2457, 2462, 2467,
307 2472, 2484
308 };
309
310 #define FREQ_COUNT ARRAY_SIZE(ipw2100_frequencies)
311
312 static const long ipw2100_rates_11b[] = {
313 1000000,
314 2000000,
315 5500000,
316 11000000
317 };
318
319 static struct ieee80211_rate ipw2100_bg_rates[] = {
320 { .bitrate = 10 },
321 { .bitrate = 20, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
322 { .bitrate = 55, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
323 { .bitrate = 110, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
324 };
325
326 #define RATE_COUNT ARRAY_SIZE(ipw2100_rates_11b)
327
328 /* Pre-decl until we get the code solid and then we can clean it up */
329 static void ipw2100_tx_send_commands(struct ipw2100_priv *priv);
330 static void ipw2100_tx_send_data(struct ipw2100_priv *priv);
331 static int ipw2100_adapter_setup(struct ipw2100_priv *priv);
332
333 static void ipw2100_queues_initialize(struct ipw2100_priv *priv);
334 static void ipw2100_queues_free(struct ipw2100_priv *priv);
335 static int ipw2100_queues_allocate(struct ipw2100_priv *priv);
336
337 static int ipw2100_fw_download(struct ipw2100_priv *priv,
338 struct ipw2100_fw *fw);
339 static int ipw2100_get_firmware(struct ipw2100_priv *priv,
340 struct ipw2100_fw *fw);
341 static int ipw2100_get_fwversion(struct ipw2100_priv *priv, char *buf,
342 size_t max);
343 static int ipw2100_get_ucodeversion(struct ipw2100_priv *priv, char *buf,
344 size_t max);
345 static void ipw2100_release_firmware(struct ipw2100_priv *priv,
346 struct ipw2100_fw *fw);
347 static int ipw2100_ucode_download(struct ipw2100_priv *priv,
348 struct ipw2100_fw *fw);
349 static void ipw2100_wx_event_work(struct work_struct *work);
350 static struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device *dev);
351 static struct iw_handler_def ipw2100_wx_handler_def;
352
353 static inline void read_register(struct net_device *dev, u32 reg, u32 * val)
354 {
355 *val = readl((void __iomem *)(dev->base_addr + reg));
356 IPW_DEBUG_IO("r: 0x%08X => 0x%08X\n", reg, *val);
357 }
358
359 static inline void write_register(struct net_device *dev, u32 reg, u32 val)
360 {
361 writel(val, (void __iomem *)(dev->base_addr + reg));
362 IPW_DEBUG_IO("w: 0x%08X <= 0x%08X\n", reg, val);
363 }
364
365 static inline void read_register_word(struct net_device *dev, u32 reg,
366 u16 * val)
367 {
368 *val = readw((void __iomem *)(dev->base_addr + reg));
369 IPW_DEBUG_IO("r: 0x%08X => %04X\n", reg, *val);
370 }
371
372 static inline void read_register_byte(struct net_device *dev, u32 reg, u8 * val)
373 {
374 *val = readb((void __iomem *)(dev->base_addr + reg));
375 IPW_DEBUG_IO("r: 0x%08X => %02X\n", reg, *val);
376 }
377
378 static inline void write_register_word(struct net_device *dev, u32 reg, u16 val)
379 {
380 writew(val, (void __iomem *)(dev->base_addr + reg));
381 IPW_DEBUG_IO("w: 0x%08X <= %04X\n", reg, val);
382 }
383
384 static inline void write_register_byte(struct net_device *dev, u32 reg, u8 val)
385 {
386 writeb(val, (void __iomem *)(dev->base_addr + reg));
387 IPW_DEBUG_IO("w: 0x%08X =< %02X\n", reg, val);
388 }
389
390 static inline void read_nic_dword(struct net_device *dev, u32 addr, u32 * val)
391 {
392 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
393 addr & IPW_REG_INDIRECT_ADDR_MASK);
394 read_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
395 }
396
397 static inline void write_nic_dword(struct net_device *dev, u32 addr, u32 val)
398 {
399 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
400 addr & IPW_REG_INDIRECT_ADDR_MASK);
401 write_register(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
402 }
403
404 static inline void read_nic_word(struct net_device *dev, u32 addr, u16 * val)
405 {
406 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
407 addr & IPW_REG_INDIRECT_ADDR_MASK);
408 read_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
409 }
410
411 static inline void write_nic_word(struct net_device *dev, u32 addr, u16 val)
412 {
413 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
414 addr & IPW_REG_INDIRECT_ADDR_MASK);
415 write_register_word(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
416 }
417
418 static inline void read_nic_byte(struct net_device *dev, u32 addr, u8 * val)
419 {
420 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
421 addr & IPW_REG_INDIRECT_ADDR_MASK);
422 read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
423 }
424
425 static inline void write_nic_byte(struct net_device *dev, u32 addr, u8 val)
426 {
427 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
428 addr & IPW_REG_INDIRECT_ADDR_MASK);
429 write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA, val);
430 }
431
432 static inline void write_nic_auto_inc_address(struct net_device *dev, u32 addr)
433 {
434 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS,
435 addr & IPW_REG_INDIRECT_ADDR_MASK);
436 }
437
438 static inline void write_nic_dword_auto_inc(struct net_device *dev, u32 val)
439 {
440 write_register(dev, IPW_REG_AUTOINCREMENT_DATA, val);
441 }
442
443 static void write_nic_memory(struct net_device *dev, u32 addr, u32 len,
444 const u8 * buf)
445 {
446 u32 aligned_addr;
447 u32 aligned_len;
448 u32 dif_len;
449 u32 i;
450
451 /* read first nibble byte by byte */
452 aligned_addr = addr & (~0x3);
453 dif_len = addr - aligned_addr;
454 if (dif_len) {
455 /* Start reading at aligned_addr + dif_len */
456 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
457 aligned_addr);
458 for (i = dif_len; i < 4; i++, buf++)
459 write_register_byte(dev,
460 IPW_REG_INDIRECT_ACCESS_DATA + i,
461 *buf);
462
463 len -= dif_len;
464 aligned_addr += 4;
465 }
466
467 /* read DWs through autoincrement registers */
468 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, aligned_addr);
469 aligned_len = len & (~0x3);
470 for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4)
471 write_register(dev, IPW_REG_AUTOINCREMENT_DATA, *(u32 *) buf);
472
473 /* copy the last nibble */
474 dif_len = len - aligned_len;
475 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, aligned_addr);
476 for (i = 0; i < dif_len; i++, buf++)
477 write_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA + i,
478 *buf);
479 }
480
481 static void read_nic_memory(struct net_device *dev, u32 addr, u32 len,
482 u8 * buf)
483 {
484 u32 aligned_addr;
485 u32 aligned_len;
486 u32 dif_len;
487 u32 i;
488
489 /* read first nibble byte by byte */
490 aligned_addr = addr & (~0x3);
491 dif_len = addr - aligned_addr;
492 if (dif_len) {
493 /* Start reading at aligned_addr + dif_len */
494 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS,
495 aligned_addr);
496 for (i = dif_len; i < 4; i++, buf++)
497 read_register_byte(dev,
498 IPW_REG_INDIRECT_ACCESS_DATA + i,
499 buf);
500
501 len -= dif_len;
502 aligned_addr += 4;
503 }
504
505 /* read DWs through autoincrement registers */
506 write_register(dev, IPW_REG_AUTOINCREMENT_ADDRESS, aligned_addr);
507 aligned_len = len & (~0x3);
508 for (i = 0; i < aligned_len; i += 4, buf += 4, aligned_addr += 4)
509 read_register(dev, IPW_REG_AUTOINCREMENT_DATA, (u32 *) buf);
510
511 /* copy the last nibble */
512 dif_len = len - aligned_len;
513 write_register(dev, IPW_REG_INDIRECT_ACCESS_ADDRESS, aligned_addr);
514 for (i = 0; i < dif_len; i++, buf++)
515 read_register_byte(dev, IPW_REG_INDIRECT_ACCESS_DATA + i, buf);
516 }
517
518 static inline int ipw2100_hw_is_adapter_in_system(struct net_device *dev)
519 {
520 return (dev->base_addr &&
521 (readl
522 ((void __iomem *)(dev->base_addr +
523 IPW_REG_DOA_DEBUG_AREA_START))
524 == IPW_DATA_DOA_DEBUG_VALUE));
525 }
526
527 static int ipw2100_get_ordinal(struct ipw2100_priv *priv, u32 ord,
528 void *val, u32 * len)
529 {
530 struct ipw2100_ordinals *ordinals = &priv->ordinals;
531 u32 addr;
532 u32 field_info;
533 u16 field_len;
534 u16 field_count;
535 u32 total_length;
536
537 if (ordinals->table1_addr == 0) {
538 printk(KERN_WARNING DRV_NAME ": attempt to use fw ordinals "
539 "before they have been loaded.\n");
540 return -EINVAL;
541 }
542
543 if (IS_ORDINAL_TABLE_ONE(ordinals, ord)) {
544 if (*len < IPW_ORD_TAB_1_ENTRY_SIZE) {
545 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
546
547 printk(KERN_WARNING DRV_NAME
548 ": ordinal buffer length too small, need %zd\n",
549 IPW_ORD_TAB_1_ENTRY_SIZE);
550
551 return -EINVAL;
552 }
553
554 read_nic_dword(priv->net_dev,
555 ordinals->table1_addr + (ord << 2), &addr);
556 read_nic_dword(priv->net_dev, addr, val);
557
558 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
559
560 return 0;
561 }
562
563 if (IS_ORDINAL_TABLE_TWO(ordinals, ord)) {
564
565 ord -= IPW_START_ORD_TAB_2;
566
567 /* get the address of statistic */
568 read_nic_dword(priv->net_dev,
569 ordinals->table2_addr + (ord << 3), &addr);
570
571 /* get the second DW of statistics ;
572 * two 16-bit words - first is length, second is count */
573 read_nic_dword(priv->net_dev,
574 ordinals->table2_addr + (ord << 3) + sizeof(u32),
575 &field_info);
576
577 /* get each entry length */
578 field_len = *((u16 *) & field_info);
579
580 /* get number of entries */
581 field_count = *(((u16 *) & field_info) + 1);
582
583 /* abort if no enough memory */
584 total_length = field_len * field_count;
585 if (total_length > *len) {
586 *len = total_length;
587 return -EINVAL;
588 }
589
590 *len = total_length;
591 if (!total_length)
592 return 0;
593
594 /* read the ordinal data from the SRAM */
595 read_nic_memory(priv->net_dev, addr, total_length, val);
596
597 return 0;
598 }
599
600 printk(KERN_WARNING DRV_NAME ": ordinal %d neither in table 1 nor "
601 "in table 2\n", ord);
602
603 return -EINVAL;
604 }
605
606 static int ipw2100_set_ordinal(struct ipw2100_priv *priv, u32 ord, u32 * val,
607 u32 * len)
608 {
609 struct ipw2100_ordinals *ordinals = &priv->ordinals;
610 u32 addr;
611
612 if (IS_ORDINAL_TABLE_ONE(ordinals, ord)) {
613 if (*len != IPW_ORD_TAB_1_ENTRY_SIZE) {
614 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
615 IPW_DEBUG_INFO("wrong size\n");
616 return -EINVAL;
617 }
618
619 read_nic_dword(priv->net_dev,
620 ordinals->table1_addr + (ord << 2), &addr);
621
622 write_nic_dword(priv->net_dev, addr, *val);
623
624 *len = IPW_ORD_TAB_1_ENTRY_SIZE;
625
626 return 0;
627 }
628
629 IPW_DEBUG_INFO("wrong table\n");
630 if (IS_ORDINAL_TABLE_TWO(ordinals, ord))
631 return -EINVAL;
632
633 return -EINVAL;
634 }
635
636 static char *snprint_line(char *buf, size_t count,
637 const u8 * data, u32 len, u32 ofs)
638 {
639 int out, i, j, l;
640 char c;
641
642 out = snprintf(buf, count, "%08X", ofs);
643
644 for (l = 0, i = 0; i < 2; i++) {
645 out += snprintf(buf + out, count - out, " ");
646 for (j = 0; j < 8 && l < len; j++, l++)
647 out += snprintf(buf + out, count - out, "%02X ",
648 data[(i * 8 + j)]);
649 for (; j < 8; j++)
650 out += snprintf(buf + out, count - out, " ");
651 }
652
653 out += snprintf(buf + out, count - out, " ");
654 for (l = 0, i = 0; i < 2; i++) {
655 out += snprintf(buf + out, count - out, " ");
656 for (j = 0; j < 8 && l < len; j++, l++) {
657 c = data[(i * 8 + j)];
658 if (!isascii(c) || !isprint(c))
659 c = '.';
660
661 out += snprintf(buf + out, count - out, "%c", c);
662 }
663
664 for (; j < 8; j++)
665 out += snprintf(buf + out, count - out, " ");
666 }
667
668 return buf;
669 }
670
671 static void printk_buf(int level, const u8 * data, u32 len)
672 {
673 char line[81];
674 u32 ofs = 0;
675 if (!(ipw2100_debug_level & level))
676 return;
677
678 while (len) {
679 printk(KERN_DEBUG "%s\n",
680 snprint_line(line, sizeof(line), &data[ofs],
681 min(len, 16U), ofs));
682 ofs += 16;
683 len -= min(len, 16U);
684 }
685 }
686
687 #define MAX_RESET_BACKOFF 10
688
689 static void schedule_reset(struct ipw2100_priv *priv)
690 {
691 unsigned long now = get_seconds();
692
693 /* If we haven't received a reset request within the backoff period,
694 * then we can reset the backoff interval so this reset occurs
695 * immediately */
696 if (priv->reset_backoff &&
697 (now - priv->last_reset > priv->reset_backoff))
698 priv->reset_backoff = 0;
699
700 priv->last_reset = get_seconds();
701
702 if (!(priv->status & STATUS_RESET_PENDING)) {
703 IPW_DEBUG_INFO("%s: Scheduling firmware restart (%ds).\n",
704 priv->net_dev->name, priv->reset_backoff);
705 netif_carrier_off(priv->net_dev);
706 netif_stop_queue(priv->net_dev);
707 priv->status |= STATUS_RESET_PENDING;
708 if (priv->reset_backoff)
709 queue_delayed_work(priv->workqueue, &priv->reset_work,
710 priv->reset_backoff * HZ);
711 else
712 queue_delayed_work(priv->workqueue, &priv->reset_work,
713 0);
714
715 if (priv->reset_backoff < MAX_RESET_BACKOFF)
716 priv->reset_backoff++;
717
718 wake_up_interruptible(&priv->wait_command_queue);
719 } else
720 IPW_DEBUG_INFO("%s: Firmware restart already in progress.\n",
721 priv->net_dev->name);
722
723 }
724
725 #define HOST_COMPLETE_TIMEOUT (2 * HZ)
726 static int ipw2100_hw_send_command(struct ipw2100_priv *priv,
727 struct host_command *cmd)
728 {
729 struct list_head *element;
730 struct ipw2100_tx_packet *packet;
731 unsigned long flags;
732 int err = 0;
733
734 IPW_DEBUG_HC("Sending %s command (#%d), %d bytes\n",
735 command_types[cmd->host_command], cmd->host_command,
736 cmd->host_command_length);
737 printk_buf(IPW_DL_HC, (u8 *) cmd->host_command_parameters,
738 cmd->host_command_length);
739
740 spin_lock_irqsave(&priv->low_lock, flags);
741
742 if (priv->fatal_error) {
743 IPW_DEBUG_INFO
744 ("Attempt to send command while hardware in fatal error condition.\n");
745 err = -EIO;
746 goto fail_unlock;
747 }
748
749 if (!(priv->status & STATUS_RUNNING)) {
750 IPW_DEBUG_INFO
751 ("Attempt to send command while hardware is not running.\n");
752 err = -EIO;
753 goto fail_unlock;
754 }
755
756 if (priv->status & STATUS_CMD_ACTIVE) {
757 IPW_DEBUG_INFO
758 ("Attempt to send command while another command is pending.\n");
759 err = -EBUSY;
760 goto fail_unlock;
761 }
762
763 if (list_empty(&priv->msg_free_list)) {
764 IPW_DEBUG_INFO("no available msg buffers\n");
765 goto fail_unlock;
766 }
767
768 priv->status |= STATUS_CMD_ACTIVE;
769 priv->messages_sent++;
770
771 element = priv->msg_free_list.next;
772
773 packet = list_entry(element, struct ipw2100_tx_packet, list);
774 packet->jiffy_start = jiffies;
775
776 /* initialize the firmware command packet */
777 packet->info.c_struct.cmd->host_command_reg = cmd->host_command;
778 packet->info.c_struct.cmd->host_command_reg1 = cmd->host_command1;
779 packet->info.c_struct.cmd->host_command_len_reg =
780 cmd->host_command_length;
781 packet->info.c_struct.cmd->sequence = cmd->host_command_sequence;
782
783 memcpy(packet->info.c_struct.cmd->host_command_params_reg,
784 cmd->host_command_parameters,
785 sizeof(packet->info.c_struct.cmd->host_command_params_reg));
786
787 list_del(element);
788 DEC_STAT(&priv->msg_free_stat);
789
790 list_add_tail(element, &priv->msg_pend_list);
791 INC_STAT(&priv->msg_pend_stat);
792
793 ipw2100_tx_send_commands(priv);
794 ipw2100_tx_send_data(priv);
795
796 spin_unlock_irqrestore(&priv->low_lock, flags);
797
798 /*
799 * We must wait for this command to complete before another
800 * command can be sent... but if we wait more than 3 seconds
801 * then there is a problem.
802 */
803
804 err =
805 wait_event_interruptible_timeout(priv->wait_command_queue,
806 !(priv->
807 status & STATUS_CMD_ACTIVE),
808 HOST_COMPLETE_TIMEOUT);
809
810 if (err == 0) {
811 IPW_DEBUG_INFO("Command completion failed out after %dms.\n",
812 1000 * (HOST_COMPLETE_TIMEOUT / HZ));
813 priv->fatal_error = IPW2100_ERR_MSG_TIMEOUT;
814 priv->status &= ~STATUS_CMD_ACTIVE;
815 schedule_reset(priv);
816 return -EIO;
817 }
818
819 if (priv->fatal_error) {
820 printk(KERN_WARNING DRV_NAME ": %s: firmware fatal error\n",
821 priv->net_dev->name);
822 return -EIO;
823 }
824
825 /* !!!!! HACK TEST !!!!!
826 * When lots of debug trace statements are enabled, the driver
827 * doesn't seem to have as many firmware restart cycles...
828 *
829 * As a test, we're sticking in a 1/100s delay here */
830 schedule_timeout_uninterruptible(msecs_to_jiffies(10));
831
832 return 0;
833
834 fail_unlock:
835 spin_unlock_irqrestore(&priv->low_lock, flags);
836
837 return err;
838 }
839
840 /*
841 * Verify the values and data access of the hardware
842 * No locks needed or used. No functions called.
843 */
844 static int ipw2100_verify(struct ipw2100_priv *priv)
845 {
846 u32 data1, data2;
847 u32 address;
848
849 u32 val1 = 0x76543210;
850 u32 val2 = 0xFEDCBA98;
851
852 /* Domain 0 check - all values should be DOA_DEBUG */
853 for (address = IPW_REG_DOA_DEBUG_AREA_START;
854 address < IPW_REG_DOA_DEBUG_AREA_END; address += sizeof(u32)) {
855 read_register(priv->net_dev, address, &data1);
856 if (data1 != IPW_DATA_DOA_DEBUG_VALUE)
857 return -EIO;
858 }
859
860 /* Domain 1 check - use arbitrary read/write compare */
861 for (address = 0; address < 5; address++) {
862 /* The memory area is not used now */
863 write_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x32,
864 val1);
865 write_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x36,
866 val2);
867 read_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x32,
868 &data1);
869 read_register(priv->net_dev, IPW_REG_DOMAIN_1_OFFSET + 0x36,
870 &data2);
871 if (val1 == data1 && val2 == data2)
872 return 0;
873 }
874
875 return -EIO;
876 }
877
878 /*
879 *
880 * Loop until the CARD_DISABLED bit is the same value as the
881 * supplied parameter
882 *
883 * TODO: See if it would be more efficient to do a wait/wake
884 * cycle and have the completion event trigger the wakeup
885 *
886 */
887 #define IPW_CARD_DISABLE_COMPLETE_WAIT 100 // 100 milli
888 static int ipw2100_wait_for_card_state(struct ipw2100_priv *priv, int state)
889 {
890 int i;
891 u32 card_state;
892 u32 len = sizeof(card_state);
893 int err;
894
895 for (i = 0; i <= IPW_CARD_DISABLE_COMPLETE_WAIT * 1000; i += 50) {
896 err = ipw2100_get_ordinal(priv, IPW_ORD_CARD_DISABLED,
897 &card_state, &len);
898 if (err) {
899 IPW_DEBUG_INFO("Query of CARD_DISABLED ordinal "
900 "failed.\n");
901 return 0;
902 }
903
904 /* We'll break out if either the HW state says it is
905 * in the state we want, or if HOST_COMPLETE command
906 * finishes */
907 if ((card_state == state) ||
908 ((priv->status & STATUS_ENABLED) ?
909 IPW_HW_STATE_ENABLED : IPW_HW_STATE_DISABLED) == state) {
910 if (state == IPW_HW_STATE_ENABLED)
911 priv->status |= STATUS_ENABLED;
912 else
913 priv->status &= ~STATUS_ENABLED;
914
915 return 0;
916 }
917
918 udelay(50);
919 }
920
921 IPW_DEBUG_INFO("ipw2100_wait_for_card_state to %s state timed out\n",
922 state ? "DISABLED" : "ENABLED");
923 return -EIO;
924 }
925
926 /*********************************************************************
927 Procedure : sw_reset_and_clock
928 Purpose : Asserts s/w reset, asserts clock initialization
929 and waits for clock stabilization
930 ********************************************************************/
931 static int sw_reset_and_clock(struct ipw2100_priv *priv)
932 {
933 int i;
934 u32 r;
935
936 // assert s/w reset
937 write_register(priv->net_dev, IPW_REG_RESET_REG,
938 IPW_AUX_HOST_RESET_REG_SW_RESET);
939
940 // wait for clock stabilization
941 for (i = 0; i < 1000; i++) {
942 udelay(IPW_WAIT_RESET_ARC_COMPLETE_DELAY);
943
944 // check clock ready bit
945 read_register(priv->net_dev, IPW_REG_RESET_REG, &r);
946 if (r & IPW_AUX_HOST_RESET_REG_PRINCETON_RESET)
947 break;
948 }
949
950 if (i == 1000)
951 return -EIO; // TODO: better error value
952
953 /* set "initialization complete" bit to move adapter to
954 * D0 state */
955 write_register(priv->net_dev, IPW_REG_GP_CNTRL,
956 IPW_AUX_HOST_GP_CNTRL_BIT_INIT_DONE);
957
958 /* wait for clock stabilization */
959 for (i = 0; i < 10000; i++) {
960 udelay(IPW_WAIT_CLOCK_STABILIZATION_DELAY * 4);
961
962 /* check clock ready bit */
963 read_register(priv->net_dev, IPW_REG_GP_CNTRL, &r);
964 if (r & IPW_AUX_HOST_GP_CNTRL_BIT_CLOCK_READY)
965 break;
966 }
967
968 if (i == 10000)
969 return -EIO; /* TODO: better error value */
970
971 /* set D0 standby bit */
972 read_register(priv->net_dev, IPW_REG_GP_CNTRL, &r);
973 write_register(priv->net_dev, IPW_REG_GP_CNTRL,
974 r | IPW_AUX_HOST_GP_CNTRL_BIT_HOST_ALLOWS_STANDBY);
975
976 return 0;
977 }
978
979 /*********************************************************************
980 Procedure : ipw2100_download_firmware
981 Purpose : Initiaze adapter after power on.
982 The sequence is:
983 1. assert s/w reset first!
984 2. awake clocks & wait for clock stabilization
985 3. hold ARC (don't ask me why...)
986 4. load Dino ucode and reset/clock init again
987 5. zero-out shared mem
988 6. download f/w
989 *******************************************************************/
990 static int ipw2100_download_firmware(struct ipw2100_priv *priv)
991 {
992 u32 address;
993 int err;
994
995 #ifndef CONFIG_PM
996 /* Fetch the firmware and microcode */
997 struct ipw2100_fw ipw2100_firmware;
998 #endif
999
1000 if (priv->fatal_error) {
1001 IPW_DEBUG_ERROR("%s: ipw2100_download_firmware called after "
1002 "fatal error %d. Interface must be brought down.\n",
1003 priv->net_dev->name, priv->fatal_error);
1004 return -EINVAL;
1005 }
1006 #ifdef CONFIG_PM
1007 if (!ipw2100_firmware.version) {
1008 err = ipw2100_get_firmware(priv, &ipw2100_firmware);
1009 if (err) {
1010 IPW_DEBUG_ERROR("%s: ipw2100_get_firmware failed: %d\n",
1011 priv->net_dev->name, err);
1012 priv->fatal_error = IPW2100_ERR_FW_LOAD;
1013 goto fail;
1014 }
1015 }
1016 #else
1017 err = ipw2100_get_firmware(priv, &ipw2100_firmware);
1018 if (err) {
1019 IPW_DEBUG_ERROR("%s: ipw2100_get_firmware failed: %d\n",
1020 priv->net_dev->name, err);
1021 priv->fatal_error = IPW2100_ERR_FW_LOAD;
1022 goto fail;
1023 }
1024 #endif
1025 priv->firmware_version = ipw2100_firmware.version;
1026
1027 /* s/w reset and clock stabilization */
1028 err = sw_reset_and_clock(priv);
1029 if (err) {
1030 IPW_DEBUG_ERROR("%s: sw_reset_and_clock failed: %d\n",
1031 priv->net_dev->name, err);
1032 goto fail;
1033 }
1034
1035 err = ipw2100_verify(priv);
1036 if (err) {
1037 IPW_DEBUG_ERROR("%s: ipw2100_verify failed: %d\n",
1038 priv->net_dev->name, err);
1039 goto fail;
1040 }
1041
1042 /* Hold ARC */
1043 write_nic_dword(priv->net_dev,
1044 IPW_INTERNAL_REGISTER_HALT_AND_RESET, 0x80000000);
1045
1046 /* allow ARC to run */
1047 write_register(priv->net_dev, IPW_REG_RESET_REG, 0);
1048
1049 /* load microcode */
1050 err = ipw2100_ucode_download(priv, &ipw2100_firmware);
1051 if (err) {
1052 printk(KERN_ERR DRV_NAME ": %s: Error loading microcode: %d\n",
1053 priv->net_dev->name, err);
1054 goto fail;
1055 }
1056
1057 /* release ARC */
1058 write_nic_dword(priv->net_dev,
1059 IPW_INTERNAL_REGISTER_HALT_AND_RESET, 0x00000000);
1060
1061 /* s/w reset and clock stabilization (again!!!) */
1062 err = sw_reset_and_clock(priv);
1063 if (err) {
1064 printk(KERN_ERR DRV_NAME
1065 ": %s: sw_reset_and_clock failed: %d\n",
1066 priv->net_dev->name, err);
1067 goto fail;
1068 }
1069
1070 /* load f/w */
1071 err = ipw2100_fw_download(priv, &ipw2100_firmware);
1072 if (err) {
1073 IPW_DEBUG_ERROR("%s: Error loading firmware: %d\n",
1074 priv->net_dev->name, err);
1075 goto fail;
1076 }
1077 #ifndef CONFIG_PM
1078 /*
1079 * When the .resume method of the driver is called, the other
1080 * part of the system, i.e. the ide driver could still stay in
1081 * the suspend stage. This prevents us from loading the firmware
1082 * from the disk. --YZ
1083 */
1084
1085 /* free any storage allocated for firmware image */
1086 ipw2100_release_firmware(priv, &ipw2100_firmware);
1087 #endif
1088
1089 /* zero out Domain 1 area indirectly (Si requirement) */
1090 for (address = IPW_HOST_FW_SHARED_AREA0;
1091 address < IPW_HOST_FW_SHARED_AREA0_END; address += 4)
1092 write_nic_dword(priv->net_dev, address, 0);
1093 for (address = IPW_HOST_FW_SHARED_AREA1;
1094 address < IPW_HOST_FW_SHARED_AREA1_END; address += 4)
1095 write_nic_dword(priv->net_dev, address, 0);
1096 for (address = IPW_HOST_FW_SHARED_AREA2;
1097 address < IPW_HOST_FW_SHARED_AREA2_END; address += 4)
1098 write_nic_dword(priv->net_dev, address, 0);
1099 for (address = IPW_HOST_FW_SHARED_AREA3;
1100 address < IPW_HOST_FW_SHARED_AREA3_END; address += 4)
1101 write_nic_dword(priv->net_dev, address, 0);
1102 for (address = IPW_HOST_FW_INTERRUPT_AREA;
1103 address < IPW_HOST_FW_INTERRUPT_AREA_END; address += 4)
1104 write_nic_dword(priv->net_dev, address, 0);
1105
1106 return 0;
1107
1108 fail:
1109 ipw2100_release_firmware(priv, &ipw2100_firmware);
1110 return err;
1111 }
1112
1113 static inline void ipw2100_enable_interrupts(struct ipw2100_priv *priv)
1114 {
1115 if (priv->status & STATUS_INT_ENABLED)
1116 return;
1117 priv->status |= STATUS_INT_ENABLED;
1118 write_register(priv->net_dev, IPW_REG_INTA_MASK, IPW_INTERRUPT_MASK);
1119 }
1120
1121 static inline void ipw2100_disable_interrupts(struct ipw2100_priv *priv)
1122 {
1123 if (!(priv->status & STATUS_INT_ENABLED))
1124 return;
1125 priv->status &= ~STATUS_INT_ENABLED;
1126 write_register(priv->net_dev, IPW_REG_INTA_MASK, 0x0);
1127 }
1128
1129 static void ipw2100_initialize_ordinals(struct ipw2100_priv *priv)
1130 {
1131 struct ipw2100_ordinals *ord = &priv->ordinals;
1132
1133 IPW_DEBUG_INFO("enter\n");
1134
1135 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_ORDINALS_TABLE_1,
1136 &ord->table1_addr);
1137
1138 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_ORDINALS_TABLE_2,
1139 &ord->table2_addr);
1140
1141 read_nic_dword(priv->net_dev, ord->table1_addr, &ord->table1_size);
1142 read_nic_dword(priv->net_dev, ord->table2_addr, &ord->table2_size);
1143
1144 ord->table2_size &= 0x0000FFFF;
1145
1146 IPW_DEBUG_INFO("table 1 size: %d\n", ord->table1_size);
1147 IPW_DEBUG_INFO("table 2 size: %d\n", ord->table2_size);
1148 IPW_DEBUG_INFO("exit\n");
1149 }
1150
1151 static inline void ipw2100_hw_set_gpio(struct ipw2100_priv *priv)
1152 {
1153 u32 reg = 0;
1154 /*
1155 * Set GPIO 3 writable by FW; GPIO 1 writable
1156 * by driver and enable clock
1157 */
1158 reg = (IPW_BIT_GPIO_GPIO3_MASK | IPW_BIT_GPIO_GPIO1_ENABLE |
1159 IPW_BIT_GPIO_LED_OFF);
1160 write_register(priv->net_dev, IPW_REG_GPIO, reg);
1161 }
1162
1163 static int rf_kill_active(struct ipw2100_priv *priv)
1164 {
1165 #define MAX_RF_KILL_CHECKS 5
1166 #define RF_KILL_CHECK_DELAY 40
1167
1168 unsigned short value = 0;
1169 u32 reg = 0;
1170 int i;
1171
1172 if (!(priv->hw_features & HW_FEATURE_RFKILL)) {
1173 wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, false);
1174 priv->status &= ~STATUS_RF_KILL_HW;
1175 return 0;
1176 }
1177
1178 for (i = 0; i < MAX_RF_KILL_CHECKS; i++) {
1179 udelay(RF_KILL_CHECK_DELAY);
1180 read_register(priv->net_dev, IPW_REG_GPIO, &reg);
1181 value = (value << 1) | ((reg & IPW_BIT_GPIO_RF_KILL) ? 0 : 1);
1182 }
1183
1184 if (value == 0) {
1185 wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, true);
1186 priv->status |= STATUS_RF_KILL_HW;
1187 } else {
1188 wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, false);
1189 priv->status &= ~STATUS_RF_KILL_HW;
1190 }
1191
1192 return (value == 0);
1193 }
1194
1195 static int ipw2100_get_hw_features(struct ipw2100_priv *priv)
1196 {
1197 u32 addr, len;
1198 u32 val;
1199
1200 /*
1201 * EEPROM_SRAM_DB_START_ADDRESS using ordinal in ordinal table 1
1202 */
1203 len = sizeof(addr);
1204 if (ipw2100_get_ordinal
1205 (priv, IPW_ORD_EEPROM_SRAM_DB_BLOCK_START_ADDRESS, &addr, &len)) {
1206 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
1207 __LINE__);
1208 return -EIO;
1209 }
1210
1211 IPW_DEBUG_INFO("EEPROM address: %08X\n", addr);
1212
1213 /*
1214 * EEPROM version is the byte at offset 0xfd in firmware
1215 * We read 4 bytes, then shift out the byte we actually want */
1216 read_nic_dword(priv->net_dev, addr + 0xFC, &val);
1217 priv->eeprom_version = (val >> 24) & 0xFF;
1218 IPW_DEBUG_INFO("EEPROM version: %d\n", priv->eeprom_version);
1219
1220 /*
1221 * HW RF Kill enable is bit 0 in byte at offset 0x21 in firmware
1222 *
1223 * notice that the EEPROM bit is reverse polarity, i.e.
1224 * bit = 0 signifies HW RF kill switch is supported
1225 * bit = 1 signifies HW RF kill switch is NOT supported
1226 */
1227 read_nic_dword(priv->net_dev, addr + 0x20, &val);
1228 if (!((val >> 24) & 0x01))
1229 priv->hw_features |= HW_FEATURE_RFKILL;
1230
1231 IPW_DEBUG_INFO("HW RF Kill: %ssupported.\n",
1232 (priv->hw_features & HW_FEATURE_RFKILL) ? "" : "not ");
1233
1234 return 0;
1235 }
1236
1237 /*
1238 * Start firmware execution after power on and intialization
1239 * The sequence is:
1240 * 1. Release ARC
1241 * 2. Wait for f/w initialization completes;
1242 */
1243 static int ipw2100_start_adapter(struct ipw2100_priv *priv)
1244 {
1245 int i;
1246 u32 inta, inta_mask, gpio;
1247
1248 IPW_DEBUG_INFO("enter\n");
1249
1250 if (priv->status & STATUS_RUNNING)
1251 return 0;
1252
1253 /*
1254 * Initialize the hw - drive adapter to DO state by setting
1255 * init_done bit. Wait for clk_ready bit and Download
1256 * fw & dino ucode
1257 */
1258 if (ipw2100_download_firmware(priv)) {
1259 printk(KERN_ERR DRV_NAME
1260 ": %s: Failed to power on the adapter.\n",
1261 priv->net_dev->name);
1262 return -EIO;
1263 }
1264
1265 /* Clear the Tx, Rx and Msg queues and the r/w indexes
1266 * in the firmware RBD and TBD ring queue */
1267 ipw2100_queues_initialize(priv);
1268
1269 ipw2100_hw_set_gpio(priv);
1270
1271 /* TODO -- Look at disabling interrupts here to make sure none
1272 * get fired during FW initialization */
1273
1274 /* Release ARC - clear reset bit */
1275 write_register(priv->net_dev, IPW_REG_RESET_REG, 0);
1276
1277 /* wait for f/w intialization complete */
1278 IPW_DEBUG_FW("Waiting for f/w initialization to complete...\n");
1279 i = 5000;
1280 do {
1281 schedule_timeout_uninterruptible(msecs_to_jiffies(40));
1282 /* Todo... wait for sync command ... */
1283
1284 read_register(priv->net_dev, IPW_REG_INTA, &inta);
1285
1286 /* check "init done" bit */
1287 if (inta & IPW2100_INTA_FW_INIT_DONE) {
1288 /* reset "init done" bit */
1289 write_register(priv->net_dev, IPW_REG_INTA,
1290 IPW2100_INTA_FW_INIT_DONE);
1291 break;
1292 }
1293
1294 /* check error conditions : we check these after the firmware
1295 * check so that if there is an error, the interrupt handler
1296 * will see it and the adapter will be reset */
1297 if (inta &
1298 (IPW2100_INTA_FATAL_ERROR | IPW2100_INTA_PARITY_ERROR)) {
1299 /* clear error conditions */
1300 write_register(priv->net_dev, IPW_REG_INTA,
1301 IPW2100_INTA_FATAL_ERROR |
1302 IPW2100_INTA_PARITY_ERROR);
1303 }
1304 } while (--i);
1305
1306 /* Clear out any pending INTAs since we aren't supposed to have
1307 * interrupts enabled at this point... */
1308 read_register(priv->net_dev, IPW_REG_INTA, &inta);
1309 read_register(priv->net_dev, IPW_REG_INTA_MASK, &inta_mask);
1310 inta &= IPW_INTERRUPT_MASK;
1311 /* Clear out any pending interrupts */
1312 if (inta & inta_mask)
1313 write_register(priv->net_dev, IPW_REG_INTA, inta);
1314
1315 IPW_DEBUG_FW("f/w initialization complete: %s\n",
1316 i ? "SUCCESS" : "FAILED");
1317
1318 if (!i) {
1319 printk(KERN_WARNING DRV_NAME
1320 ": %s: Firmware did not initialize.\n",
1321 priv->net_dev->name);
1322 return -EIO;
1323 }
1324
1325 /* allow firmware to write to GPIO1 & GPIO3 */
1326 read_register(priv->net_dev, IPW_REG_GPIO, &gpio);
1327
1328 gpio |= (IPW_BIT_GPIO_GPIO1_MASK | IPW_BIT_GPIO_GPIO3_MASK);
1329
1330 write_register(priv->net_dev, IPW_REG_GPIO, gpio);
1331
1332 /* Ready to receive commands */
1333 priv->status |= STATUS_RUNNING;
1334
1335 /* The adapter has been reset; we are not associated */
1336 priv->status &= ~(STATUS_ASSOCIATING | STATUS_ASSOCIATED);
1337
1338 IPW_DEBUG_INFO("exit\n");
1339
1340 return 0;
1341 }
1342
1343 static inline void ipw2100_reset_fatalerror(struct ipw2100_priv *priv)
1344 {
1345 if (!priv->fatal_error)
1346 return;
1347
1348 priv->fatal_errors[priv->fatal_index++] = priv->fatal_error;
1349 priv->fatal_index %= IPW2100_ERROR_QUEUE;
1350 priv->fatal_error = 0;
1351 }
1352
1353 /* NOTE: Our interrupt is disabled when this method is called */
1354 static int ipw2100_power_cycle_adapter(struct ipw2100_priv *priv)
1355 {
1356 u32 reg;
1357 int i;
1358
1359 IPW_DEBUG_INFO("Power cycling the hardware.\n");
1360
1361 ipw2100_hw_set_gpio(priv);
1362
1363 /* Step 1. Stop Master Assert */
1364 write_register(priv->net_dev, IPW_REG_RESET_REG,
1365 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
1366
1367 /* Step 2. Wait for stop Master Assert
1368 * (not more than 50us, otherwise ret error */
1369 i = 5;
1370 do {
1371 udelay(IPW_WAIT_RESET_MASTER_ASSERT_COMPLETE_DELAY);
1372 read_register(priv->net_dev, IPW_REG_RESET_REG, &reg);
1373
1374 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED)
1375 break;
1376 } while (--i);
1377
1378 priv->status &= ~STATUS_RESET_PENDING;
1379
1380 if (!i) {
1381 IPW_DEBUG_INFO
1382 ("exit - waited too long for master assert stop\n");
1383 return -EIO;
1384 }
1385
1386 write_register(priv->net_dev, IPW_REG_RESET_REG,
1387 IPW_AUX_HOST_RESET_REG_SW_RESET);
1388
1389 /* Reset any fatal_error conditions */
1390 ipw2100_reset_fatalerror(priv);
1391
1392 /* At this point, the adapter is now stopped and disabled */
1393 priv->status &= ~(STATUS_RUNNING | STATUS_ASSOCIATING |
1394 STATUS_ASSOCIATED | STATUS_ENABLED);
1395
1396 return 0;
1397 }
1398
1399 /*
1400 * Send the CARD_DISABLE_PHY_OFF comamnd to the card to disable it
1401 *
1402 * After disabling, if the card was associated, a STATUS_ASSN_LOST will be sent.
1403 *
1404 * STATUS_CARD_DISABLE_NOTIFICATION will be sent regardless of
1405 * if STATUS_ASSN_LOST is sent.
1406 */
1407 static int ipw2100_hw_phy_off(struct ipw2100_priv *priv)
1408 {
1409
1410 #define HW_PHY_OFF_LOOP_DELAY (HZ / 5000)
1411
1412 struct host_command cmd = {
1413 .host_command = CARD_DISABLE_PHY_OFF,
1414 .host_command_sequence = 0,
1415 .host_command_length = 0,
1416 };
1417 int err, i;
1418 u32 val1, val2;
1419
1420 IPW_DEBUG_HC("CARD_DISABLE_PHY_OFF\n");
1421
1422 /* Turn off the radio */
1423 err = ipw2100_hw_send_command(priv, &cmd);
1424 if (err)
1425 return err;
1426
1427 for (i = 0; i < 2500; i++) {
1428 read_nic_dword(priv->net_dev, IPW2100_CONTROL_REG, &val1);
1429 read_nic_dword(priv->net_dev, IPW2100_COMMAND, &val2);
1430
1431 if ((val1 & IPW2100_CONTROL_PHY_OFF) &&
1432 (val2 & IPW2100_COMMAND_PHY_OFF))
1433 return 0;
1434
1435 schedule_timeout_uninterruptible(HW_PHY_OFF_LOOP_DELAY);
1436 }
1437
1438 return -EIO;
1439 }
1440
1441 static int ipw2100_enable_adapter(struct ipw2100_priv *priv)
1442 {
1443 struct host_command cmd = {
1444 .host_command = HOST_COMPLETE,
1445 .host_command_sequence = 0,
1446 .host_command_length = 0
1447 };
1448 int err = 0;
1449
1450 IPW_DEBUG_HC("HOST_COMPLETE\n");
1451
1452 if (priv->status & STATUS_ENABLED)
1453 return 0;
1454
1455 mutex_lock(&priv->adapter_mutex);
1456
1457 if (rf_kill_active(priv)) {
1458 IPW_DEBUG_HC("Command aborted due to RF kill active.\n");
1459 goto fail_up;
1460 }
1461
1462 err = ipw2100_hw_send_command(priv, &cmd);
1463 if (err) {
1464 IPW_DEBUG_INFO("Failed to send HOST_COMPLETE command\n");
1465 goto fail_up;
1466 }
1467
1468 err = ipw2100_wait_for_card_state(priv, IPW_HW_STATE_ENABLED);
1469 if (err) {
1470 IPW_DEBUG_INFO("%s: card not responding to init command.\n",
1471 priv->net_dev->name);
1472 goto fail_up;
1473 }
1474
1475 if (priv->stop_hang_check) {
1476 priv->stop_hang_check = 0;
1477 queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
1478 }
1479
1480 fail_up:
1481 mutex_unlock(&priv->adapter_mutex);
1482 return err;
1483 }
1484
1485 static int ipw2100_hw_stop_adapter(struct ipw2100_priv *priv)
1486 {
1487 #define HW_POWER_DOWN_DELAY (msecs_to_jiffies(100))
1488
1489 struct host_command cmd = {
1490 .host_command = HOST_PRE_POWER_DOWN,
1491 .host_command_sequence = 0,
1492 .host_command_length = 0,
1493 };
1494 int err, i;
1495 u32 reg;
1496
1497 if (!(priv->status & STATUS_RUNNING))
1498 return 0;
1499
1500 priv->status |= STATUS_STOPPING;
1501
1502 /* We can only shut down the card if the firmware is operational. So,
1503 * if we haven't reset since a fatal_error, then we can not send the
1504 * shutdown commands. */
1505 if (!priv->fatal_error) {
1506 /* First, make sure the adapter is enabled so that the PHY_OFF
1507 * command can shut it down */
1508 ipw2100_enable_adapter(priv);
1509
1510 err = ipw2100_hw_phy_off(priv);
1511 if (err)
1512 printk(KERN_WARNING DRV_NAME
1513 ": Error disabling radio %d\n", err);
1514
1515 /*
1516 * If in D0-standby mode going directly to D3 may cause a
1517 * PCI bus violation. Therefore we must change out of the D0
1518 * state.
1519 *
1520 * Sending the PREPARE_FOR_POWER_DOWN will restrict the
1521 * hardware from going into standby mode and will transition
1522 * out of D0-standby if it is already in that state.
1523 *
1524 * STATUS_PREPARE_POWER_DOWN_COMPLETE will be sent by the
1525 * driver upon completion. Once received, the driver can
1526 * proceed to the D3 state.
1527 *
1528 * Prepare for power down command to fw. This command would
1529 * take HW out of D0-standby and prepare it for D3 state.
1530 *
1531 * Currently FW does not support event notification for this
1532 * event. Therefore, skip waiting for it. Just wait a fixed
1533 * 100ms
1534 */
1535 IPW_DEBUG_HC("HOST_PRE_POWER_DOWN\n");
1536
1537 err = ipw2100_hw_send_command(priv, &cmd);
1538 if (err)
1539 printk(KERN_WARNING DRV_NAME ": "
1540 "%s: Power down command failed: Error %d\n",
1541 priv->net_dev->name, err);
1542 else
1543 schedule_timeout_uninterruptible(HW_POWER_DOWN_DELAY);
1544 }
1545
1546 priv->status &= ~STATUS_ENABLED;
1547
1548 /*
1549 * Set GPIO 3 writable by FW; GPIO 1 writable
1550 * by driver and enable clock
1551 */
1552 ipw2100_hw_set_gpio(priv);
1553
1554 /*
1555 * Power down adapter. Sequence:
1556 * 1. Stop master assert (RESET_REG[9]=1)
1557 * 2. Wait for stop master (RESET_REG[8]==1)
1558 * 3. S/w reset assert (RESET_REG[7] = 1)
1559 */
1560
1561 /* Stop master assert */
1562 write_register(priv->net_dev, IPW_REG_RESET_REG,
1563 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
1564
1565 /* wait stop master not more than 50 usec.
1566 * Otherwise return error. */
1567 for (i = 5; i > 0; i--) {
1568 udelay(10);
1569
1570 /* Check master stop bit */
1571 read_register(priv->net_dev, IPW_REG_RESET_REG, &reg);
1572
1573 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED)
1574 break;
1575 }
1576
1577 if (i == 0)
1578 printk(KERN_WARNING DRV_NAME
1579 ": %s: Could now power down adapter.\n",
1580 priv->net_dev->name);
1581
1582 /* assert s/w reset */
1583 write_register(priv->net_dev, IPW_REG_RESET_REG,
1584 IPW_AUX_HOST_RESET_REG_SW_RESET);
1585
1586 priv->status &= ~(STATUS_RUNNING | STATUS_STOPPING);
1587
1588 return 0;
1589 }
1590
1591 static int ipw2100_disable_adapter(struct ipw2100_priv *priv)
1592 {
1593 struct host_command cmd = {
1594 .host_command = CARD_DISABLE,
1595 .host_command_sequence = 0,
1596 .host_command_length = 0
1597 };
1598 int err = 0;
1599
1600 IPW_DEBUG_HC("CARD_DISABLE\n");
1601
1602 if (!(priv->status & STATUS_ENABLED))
1603 return 0;
1604
1605 /* Make sure we clear the associated state */
1606 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
1607
1608 if (!priv->stop_hang_check) {
1609 priv->stop_hang_check = 1;
1610 cancel_delayed_work(&priv->hang_check);
1611 }
1612
1613 mutex_lock(&priv->adapter_mutex);
1614
1615 err = ipw2100_hw_send_command(priv, &cmd);
1616 if (err) {
1617 printk(KERN_WARNING DRV_NAME
1618 ": exit - failed to send CARD_DISABLE command\n");
1619 goto fail_up;
1620 }
1621
1622 err = ipw2100_wait_for_card_state(priv, IPW_HW_STATE_DISABLED);
1623 if (err) {
1624 printk(KERN_WARNING DRV_NAME
1625 ": exit - card failed to change to DISABLED\n");
1626 goto fail_up;
1627 }
1628
1629 IPW_DEBUG_INFO("TODO: implement scan state machine\n");
1630
1631 fail_up:
1632 mutex_unlock(&priv->adapter_mutex);
1633 return err;
1634 }
1635
1636 static int ipw2100_set_scan_options(struct ipw2100_priv *priv)
1637 {
1638 struct host_command cmd = {
1639 .host_command = SET_SCAN_OPTIONS,
1640 .host_command_sequence = 0,
1641 .host_command_length = 8
1642 };
1643 int err;
1644
1645 IPW_DEBUG_INFO("enter\n");
1646
1647 IPW_DEBUG_SCAN("setting scan options\n");
1648
1649 cmd.host_command_parameters[0] = 0;
1650
1651 if (!(priv->config & CFG_ASSOCIATE))
1652 cmd.host_command_parameters[0] |= IPW_SCAN_NOASSOCIATE;
1653 if ((priv->ieee->sec.flags & SEC_ENABLED) && priv->ieee->sec.enabled)
1654 cmd.host_command_parameters[0] |= IPW_SCAN_MIXED_CELL;
1655 if (priv->config & CFG_PASSIVE_SCAN)
1656 cmd.host_command_parameters[0] |= IPW_SCAN_PASSIVE;
1657
1658 cmd.host_command_parameters[1] = priv->channel_mask;
1659
1660 err = ipw2100_hw_send_command(priv, &cmd);
1661
1662 IPW_DEBUG_HC("SET_SCAN_OPTIONS 0x%04X\n",
1663 cmd.host_command_parameters[0]);
1664
1665 return err;
1666 }
1667
1668 static int ipw2100_start_scan(struct ipw2100_priv *priv)
1669 {
1670 struct host_command cmd = {
1671 .host_command = BROADCAST_SCAN,
1672 .host_command_sequence = 0,
1673 .host_command_length = 4
1674 };
1675 int err;
1676
1677 IPW_DEBUG_HC("START_SCAN\n");
1678
1679 cmd.host_command_parameters[0] = 0;
1680
1681 /* No scanning if in monitor mode */
1682 if (priv->ieee->iw_mode == IW_MODE_MONITOR)
1683 return 1;
1684
1685 if (priv->status & STATUS_SCANNING) {
1686 IPW_DEBUG_SCAN("Scan requested while already in scan...\n");
1687 return 0;
1688 }
1689
1690 IPW_DEBUG_INFO("enter\n");
1691
1692 /* Not clearing here; doing so makes iwlist always return nothing...
1693 *
1694 * We should modify the table logic to use aging tables vs. clearing
1695 * the table on each scan start.
1696 */
1697 IPW_DEBUG_SCAN("starting scan\n");
1698
1699 priv->status |= STATUS_SCANNING;
1700 err = ipw2100_hw_send_command(priv, &cmd);
1701 if (err)
1702 priv->status &= ~STATUS_SCANNING;
1703
1704 IPW_DEBUG_INFO("exit\n");
1705
1706 return err;
1707 }
1708
1709 static const struct libipw_geo ipw_geos[] = {
1710 { /* Restricted */
1711 "---",
1712 .bg_channels = 14,
1713 .bg = {{2412, 1}, {2417, 2}, {2422, 3},
1714 {2427, 4}, {2432, 5}, {2437, 6},
1715 {2442, 7}, {2447, 8}, {2452, 9},
1716 {2457, 10}, {2462, 11}, {2467, 12},
1717 {2472, 13}, {2484, 14}},
1718 },
1719 };
1720
1721 static int ipw2100_up(struct ipw2100_priv *priv, int deferred)
1722 {
1723 unsigned long flags;
1724 int rc = 0;
1725 u32 lock;
1726 u32 ord_len = sizeof(lock);
1727
1728 /* Age scan list entries found before suspend */
1729 if (priv->suspend_time) {
1730 libipw_networks_age(priv->ieee, priv->suspend_time);
1731 priv->suspend_time = 0;
1732 }
1733
1734 /* Quiet if manually disabled. */
1735 if (priv->status & STATUS_RF_KILL_SW) {
1736 IPW_DEBUG_INFO("%s: Radio is disabled by Manual Disable "
1737 "switch\n", priv->net_dev->name);
1738 return 0;
1739 }
1740
1741 /* the ipw2100 hardware really doesn't want power management delays
1742 * longer than 175usec
1743 */
1744 pm_qos_update_request(&ipw2100_pm_qos_req, 175);
1745
1746 /* If the interrupt is enabled, turn it off... */
1747 spin_lock_irqsave(&priv->low_lock, flags);
1748 ipw2100_disable_interrupts(priv);
1749
1750 /* Reset any fatal_error conditions */
1751 ipw2100_reset_fatalerror(priv);
1752 spin_unlock_irqrestore(&priv->low_lock, flags);
1753
1754 if (priv->status & STATUS_POWERED ||
1755 (priv->status & STATUS_RESET_PENDING)) {
1756 /* Power cycle the card ... */
1757 if (ipw2100_power_cycle_adapter(priv)) {
1758 printk(KERN_WARNING DRV_NAME
1759 ": %s: Could not cycle adapter.\n",
1760 priv->net_dev->name);
1761 rc = 1;
1762 goto exit;
1763 }
1764 } else
1765 priv->status |= STATUS_POWERED;
1766
1767 /* Load the firmware, start the clocks, etc. */
1768 if (ipw2100_start_adapter(priv)) {
1769 printk(KERN_ERR DRV_NAME
1770 ": %s: Failed to start the firmware.\n",
1771 priv->net_dev->name);
1772 rc = 1;
1773 goto exit;
1774 }
1775
1776 ipw2100_initialize_ordinals(priv);
1777
1778 /* Determine capabilities of this particular HW configuration */
1779 if (ipw2100_get_hw_features(priv)) {
1780 printk(KERN_ERR DRV_NAME
1781 ": %s: Failed to determine HW features.\n",
1782 priv->net_dev->name);
1783 rc = 1;
1784 goto exit;
1785 }
1786
1787 /* Initialize the geo */
1788 if (libipw_set_geo(priv->ieee, &ipw_geos[0])) {
1789 printk(KERN_WARNING DRV_NAME "Could not set geo\n");
1790 return 0;
1791 }
1792 priv->ieee->freq_band = LIBIPW_24GHZ_BAND;
1793
1794 lock = LOCK_NONE;
1795 if (ipw2100_set_ordinal(priv, IPW_ORD_PERS_DB_LOCK, &lock, &ord_len)) {
1796 printk(KERN_ERR DRV_NAME
1797 ": %s: Failed to clear ordinal lock.\n",
1798 priv->net_dev->name);
1799 rc = 1;
1800 goto exit;
1801 }
1802
1803 priv->status &= ~STATUS_SCANNING;
1804
1805 if (rf_kill_active(priv)) {
1806 printk(KERN_INFO "%s: Radio is disabled by RF switch.\n",
1807 priv->net_dev->name);
1808
1809 if (priv->stop_rf_kill) {
1810 priv->stop_rf_kill = 0;
1811 queue_delayed_work(priv->workqueue, &priv->rf_kill,
1812 round_jiffies_relative(HZ));
1813 }
1814
1815 deferred = 1;
1816 }
1817
1818 /* Turn on the interrupt so that commands can be processed */
1819 ipw2100_enable_interrupts(priv);
1820
1821 /* Send all of the commands that must be sent prior to
1822 * HOST_COMPLETE */
1823 if (ipw2100_adapter_setup(priv)) {
1824 printk(KERN_ERR DRV_NAME ": %s: Failed to start the card.\n",
1825 priv->net_dev->name);
1826 rc = 1;
1827 goto exit;
1828 }
1829
1830 if (!deferred) {
1831 /* Enable the adapter - sends HOST_COMPLETE */
1832 if (ipw2100_enable_adapter(priv)) {
1833 printk(KERN_ERR DRV_NAME ": "
1834 "%s: failed in call to enable adapter.\n",
1835 priv->net_dev->name);
1836 ipw2100_hw_stop_adapter(priv);
1837 rc = 1;
1838 goto exit;
1839 }
1840
1841 /* Start a scan . . . */
1842 ipw2100_set_scan_options(priv);
1843 ipw2100_start_scan(priv);
1844 }
1845
1846 exit:
1847 return rc;
1848 }
1849
1850 static void ipw2100_down(struct ipw2100_priv *priv)
1851 {
1852 unsigned long flags;
1853 union iwreq_data wrqu = {
1854 .ap_addr = {
1855 .sa_family = ARPHRD_ETHER}
1856 };
1857 int associated = priv->status & STATUS_ASSOCIATED;
1858
1859 /* Kill the RF switch timer */
1860 if (!priv->stop_rf_kill) {
1861 priv->stop_rf_kill = 1;
1862 cancel_delayed_work(&priv->rf_kill);
1863 }
1864
1865 /* Kill the firmware hang check timer */
1866 if (!priv->stop_hang_check) {
1867 priv->stop_hang_check = 1;
1868 cancel_delayed_work(&priv->hang_check);
1869 }
1870
1871 /* Kill any pending resets */
1872 if (priv->status & STATUS_RESET_PENDING)
1873 cancel_delayed_work(&priv->reset_work);
1874
1875 /* Make sure the interrupt is on so that FW commands will be
1876 * processed correctly */
1877 spin_lock_irqsave(&priv->low_lock, flags);
1878 ipw2100_enable_interrupts(priv);
1879 spin_unlock_irqrestore(&priv->low_lock, flags);
1880
1881 if (ipw2100_hw_stop_adapter(priv))
1882 printk(KERN_ERR DRV_NAME ": %s: Error stopping adapter.\n",
1883 priv->net_dev->name);
1884
1885 /* Do not disable the interrupt until _after_ we disable
1886 * the adaptor. Otherwise the CARD_DISABLE command will never
1887 * be ack'd by the firmware */
1888 spin_lock_irqsave(&priv->low_lock, flags);
1889 ipw2100_disable_interrupts(priv);
1890 spin_unlock_irqrestore(&priv->low_lock, flags);
1891
1892 pm_qos_update_request(&ipw2100_pm_qos_req, PM_QOS_DEFAULT_VALUE);
1893
1894 /* We have to signal any supplicant if we are disassociating */
1895 if (associated)
1896 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
1897
1898 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
1899 netif_carrier_off(priv->net_dev);
1900 netif_stop_queue(priv->net_dev);
1901 }
1902
1903 /* Called by register_netdev() */
1904 static int ipw2100_net_init(struct net_device *dev)
1905 {
1906 struct ipw2100_priv *priv = libipw_priv(dev);
1907 const struct libipw_geo *geo = libipw_get_geo(priv->ieee);
1908 struct wireless_dev *wdev = &priv->ieee->wdev;
1909 int ret;
1910 int i;
1911
1912 ret = ipw2100_up(priv, 1);
1913 if (ret)
1914 return ret;
1915
1916 memcpy(wdev->wiphy->perm_addr, priv->mac_addr, ETH_ALEN);
1917
1918 /* fill-out priv->ieee->bg_band */
1919 if (geo->bg_channels) {
1920 struct ieee80211_supported_band *bg_band = &priv->ieee->bg_band;
1921
1922 bg_band->band = IEEE80211_BAND_2GHZ;
1923 bg_band->n_channels = geo->bg_channels;
1924 bg_band->channels = kcalloc(geo->bg_channels,
1925 sizeof(struct ieee80211_channel),
1926 GFP_KERNEL);
1927 if (!bg_band->channels) {
1928 ipw2100_down(priv);
1929 return -ENOMEM;
1930 }
1931 /* translate geo->bg to bg_band.channels */
1932 for (i = 0; i < geo->bg_channels; i++) {
1933 bg_band->channels[i].band = IEEE80211_BAND_2GHZ;
1934 bg_band->channels[i].center_freq = geo->bg[i].freq;
1935 bg_band->channels[i].hw_value = geo->bg[i].channel;
1936 bg_band->channels[i].max_power = geo->bg[i].max_power;
1937 if (geo->bg[i].flags & LIBIPW_CH_PASSIVE_ONLY)
1938 bg_band->channels[i].flags |=
1939 IEEE80211_CHAN_PASSIVE_SCAN;
1940 if (geo->bg[i].flags & LIBIPW_CH_NO_IBSS)
1941 bg_band->channels[i].flags |=
1942 IEEE80211_CHAN_NO_IBSS;
1943 if (geo->bg[i].flags & LIBIPW_CH_RADAR_DETECT)
1944 bg_band->channels[i].flags |=
1945 IEEE80211_CHAN_RADAR;
1946 /* No equivalent for LIBIPW_CH_80211H_RULES,
1947 LIBIPW_CH_UNIFORM_SPREADING, or
1948 LIBIPW_CH_B_ONLY... */
1949 }
1950 /* point at bitrate info */
1951 bg_band->bitrates = ipw2100_bg_rates;
1952 bg_band->n_bitrates = RATE_COUNT;
1953
1954 wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = bg_band;
1955 }
1956
1957 set_wiphy_dev(wdev->wiphy, &priv->pci_dev->dev);
1958 if (wiphy_register(wdev->wiphy)) {
1959 ipw2100_down(priv);
1960 return -EIO;
1961 }
1962 return 0;
1963 }
1964
1965 static void ipw2100_reset_adapter(struct work_struct *work)
1966 {
1967 struct ipw2100_priv *priv =
1968 container_of(work, struct ipw2100_priv, reset_work.work);
1969 unsigned long flags;
1970 union iwreq_data wrqu = {
1971 .ap_addr = {
1972 .sa_family = ARPHRD_ETHER}
1973 };
1974 int associated = priv->status & STATUS_ASSOCIATED;
1975
1976 spin_lock_irqsave(&priv->low_lock, flags);
1977 IPW_DEBUG_INFO(": %s: Restarting adapter.\n", priv->net_dev->name);
1978 priv->resets++;
1979 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
1980 priv->status |= STATUS_SECURITY_UPDATED;
1981
1982 /* Force a power cycle even if interface hasn't been opened
1983 * yet */
1984 cancel_delayed_work(&priv->reset_work);
1985 priv->status |= STATUS_RESET_PENDING;
1986 spin_unlock_irqrestore(&priv->low_lock, flags);
1987
1988 mutex_lock(&priv->action_mutex);
1989 /* stop timed checks so that they don't interfere with reset */
1990 priv->stop_hang_check = 1;
1991 cancel_delayed_work(&priv->hang_check);
1992
1993 /* We have to signal any supplicant if we are disassociating */
1994 if (associated)
1995 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
1996
1997 ipw2100_up(priv, 0);
1998 mutex_unlock(&priv->action_mutex);
1999
2000 }
2001
2002 static void isr_indicate_associated(struct ipw2100_priv *priv, u32 status)
2003 {
2004
2005 #define MAC_ASSOCIATION_READ_DELAY (HZ)
2006 int ret;
2007 unsigned int len, essid_len;
2008 char essid[IW_ESSID_MAX_SIZE];
2009 u32 txrate;
2010 u32 chan;
2011 char *txratename;
2012 u8 bssid[ETH_ALEN];
2013 DECLARE_SSID_BUF(ssid);
2014
2015 /*
2016 * TBD: BSSID is usually 00:00:00:00:00:00 here and not
2017 * an actual MAC of the AP. Seems like FW sets this
2018 * address too late. Read it later and expose through
2019 * /proc or schedule a later task to query and update
2020 */
2021
2022 essid_len = IW_ESSID_MAX_SIZE;
2023 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_SSID,
2024 essid, &essid_len);
2025 if (ret) {
2026 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
2027 __LINE__);
2028 return;
2029 }
2030
2031 len = sizeof(u32);
2032 ret = ipw2100_get_ordinal(priv, IPW_ORD_CURRENT_TX_RATE, &txrate, &len);
2033 if (ret) {
2034 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
2035 __LINE__);
2036 return;
2037 }
2038
2039 len = sizeof(u32);
2040 ret = ipw2100_get_ordinal(priv, IPW_ORD_OUR_FREQ, &chan, &len);
2041 if (ret) {
2042 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
2043 __LINE__);
2044 return;
2045 }
2046 len = ETH_ALEN;
2047 ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID, &bssid, &len);
2048 if (ret) {
2049 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
2050 __LINE__);
2051 return;
2052 }
2053 memcpy(priv->ieee->bssid, bssid, ETH_ALEN);
2054
2055 switch (txrate) {
2056 case TX_RATE_1_MBIT:
2057 txratename = "1Mbps";
2058 break;
2059 case TX_RATE_2_MBIT:
2060 txratename = "2Mbsp";
2061 break;
2062 case TX_RATE_5_5_MBIT:
2063 txratename = "5.5Mbps";
2064 break;
2065 case TX_RATE_11_MBIT:
2066 txratename = "11Mbps";
2067 break;
2068 default:
2069 IPW_DEBUG_INFO("Unknown rate: %d\n", txrate);
2070 txratename = "unknown rate";
2071 break;
2072 }
2073
2074 IPW_DEBUG_INFO("%s: Associated with '%s' at %s, channel %d (BSSID=%pM)\n",
2075 priv->net_dev->name, print_ssid(ssid, essid, essid_len),
2076 txratename, chan, bssid);
2077
2078 /* now we copy read ssid into dev */
2079 if (!(priv->config & CFG_STATIC_ESSID)) {
2080 priv->essid_len = min((u8) essid_len, (u8) IW_ESSID_MAX_SIZE);
2081 memcpy(priv->essid, essid, priv->essid_len);
2082 }
2083 priv->channel = chan;
2084 memcpy(priv->bssid, bssid, ETH_ALEN);
2085
2086 priv->status |= STATUS_ASSOCIATING;
2087 priv->connect_start = get_seconds();
2088
2089 queue_delayed_work(priv->workqueue, &priv->wx_event_work, HZ / 10);
2090 }
2091
2092 static int ipw2100_set_essid(struct ipw2100_priv *priv, char *essid,
2093 int length, int batch_mode)
2094 {
2095 int ssid_len = min(length, IW_ESSID_MAX_SIZE);
2096 struct host_command cmd = {
2097 .host_command = SSID,
2098 .host_command_sequence = 0,
2099 .host_command_length = ssid_len
2100 };
2101 int err;
2102 DECLARE_SSID_BUF(ssid);
2103
2104 IPW_DEBUG_HC("SSID: '%s'\n", print_ssid(ssid, essid, ssid_len));
2105
2106 if (ssid_len)
2107 memcpy(cmd.host_command_parameters, essid, ssid_len);
2108
2109 if (!batch_mode) {
2110 err = ipw2100_disable_adapter(priv);
2111 if (err)
2112 return err;
2113 }
2114
2115 /* Bug in FW currently doesn't honor bit 0 in SET_SCAN_OPTIONS to
2116 * disable auto association -- so we cheat by setting a bogus SSID */
2117 if (!ssid_len && !(priv->config & CFG_ASSOCIATE)) {
2118 int i;
2119 u8 *bogus = (u8 *) cmd.host_command_parameters;
2120 for (i = 0; i < IW_ESSID_MAX_SIZE; i++)
2121 bogus[i] = 0x18 + i;
2122 cmd.host_command_length = IW_ESSID_MAX_SIZE;
2123 }
2124
2125 /* NOTE: We always send the SSID command even if the provided ESSID is
2126 * the same as what we currently think is set. */
2127
2128 err = ipw2100_hw_send_command(priv, &cmd);
2129 if (!err) {
2130 memset(priv->essid + ssid_len, 0, IW_ESSID_MAX_SIZE - ssid_len);
2131 memcpy(priv->essid, essid, ssid_len);
2132 priv->essid_len = ssid_len;
2133 }
2134
2135 if (!batch_mode) {
2136 if (ipw2100_enable_adapter(priv))
2137 err = -EIO;
2138 }
2139
2140 return err;
2141 }
2142
2143 static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status)
2144 {
2145 DECLARE_SSID_BUF(ssid);
2146
2147 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | IPW_DL_ASSOC,
2148 "disassociated: '%s' %pM\n",
2149 print_ssid(ssid, priv->essid, priv->essid_len),
2150 priv->bssid);
2151
2152 priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
2153
2154 if (priv->status & STATUS_STOPPING) {
2155 IPW_DEBUG_INFO("Card is stopping itself, discard ASSN_LOST.\n");
2156 return;
2157 }
2158
2159 memset(priv->bssid, 0, ETH_ALEN);
2160 memset(priv->ieee->bssid, 0, ETH_ALEN);
2161
2162 netif_carrier_off(priv->net_dev);
2163 netif_stop_queue(priv->net_dev);
2164
2165 if (!(priv->status & STATUS_RUNNING))
2166 return;
2167
2168 if (priv->status & STATUS_SECURITY_UPDATED)
2169 queue_delayed_work(priv->workqueue, &priv->security_work, 0);
2170
2171 queue_delayed_work(priv->workqueue, &priv->wx_event_work, 0);
2172 }
2173
2174 static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
2175 {
2176 IPW_DEBUG_INFO("%s: RF Kill state changed to radio OFF.\n",
2177 priv->net_dev->name);
2178
2179 /* RF_KILL is now enabled (else we wouldn't be here) */
2180 wiphy_rfkill_set_hw_state(priv->ieee->wdev.wiphy, true);
2181 priv->status |= STATUS_RF_KILL_HW;
2182
2183 /* Make sure the RF Kill check timer is running */
2184 priv->stop_rf_kill = 0;
2185 cancel_delayed_work(&priv->rf_kill);
2186 queue_delayed_work(priv->workqueue, &priv->rf_kill,
2187 round_jiffies_relative(HZ));
2188 }
2189
2190 static void send_scan_event(void *data)
2191 {
2192 struct ipw2100_priv *priv = data;
2193 union iwreq_data wrqu;
2194
2195 wrqu.data.length = 0;
2196 wrqu.data.flags = 0;
2197 wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
2198 }
2199
2200 static void ipw2100_scan_event_later(struct work_struct *work)
2201 {
2202 send_scan_event(container_of(work, struct ipw2100_priv,
2203 scan_event_later.work));
2204 }
2205
2206 static void ipw2100_scan_event_now(struct work_struct *work)
2207 {
2208 send_scan_event(container_of(work, struct ipw2100_priv,
2209 scan_event_now));
2210 }
2211
2212 static void isr_scan_complete(struct ipw2100_priv *priv, u32 status)
2213 {
2214 IPW_DEBUG_SCAN("scan complete\n");
2215 /* Age the scan results... */
2216 priv->ieee->scans++;
2217 priv->status &= ~STATUS_SCANNING;
2218
2219 /* Only userspace-requested scan completion events go out immediately */
2220 if (!priv->user_requested_scan) {
2221 if (!delayed_work_pending(&priv->scan_event_later))
2222 queue_delayed_work(priv->workqueue,
2223 &priv->scan_event_later,
2224 round_jiffies_relative(msecs_to_jiffies(4000)));
2225 } else {
2226 priv->user_requested_scan = 0;
2227 cancel_delayed_work(&priv->scan_event_later);
2228 queue_work(priv->workqueue, &priv->scan_event_now);
2229 }
2230 }
2231
2232 #ifdef CONFIG_IPW2100_DEBUG
2233 #define IPW2100_HANDLER(v, f) { v, f, # v }
2234 struct ipw2100_status_indicator {
2235 int status;
2236 void (*cb) (struct ipw2100_priv * priv, u32 status);
2237 char *name;
2238 };
2239 #else
2240 #define IPW2100_HANDLER(v, f) { v, f }
2241 struct ipw2100_status_indicator {
2242 int status;
2243 void (*cb) (struct ipw2100_priv * priv, u32 status);
2244 };
2245 #endif /* CONFIG_IPW2100_DEBUG */
2246
2247 static void isr_indicate_scanning(struct ipw2100_priv *priv, u32 status)
2248 {
2249 IPW_DEBUG_SCAN("Scanning...\n");
2250 priv->status |= STATUS_SCANNING;
2251 }
2252
2253 static const struct ipw2100_status_indicator status_handlers[] = {
2254 IPW2100_HANDLER(IPW_STATE_INITIALIZED, NULL),
2255 IPW2100_HANDLER(IPW_STATE_COUNTRY_FOUND, NULL),
2256 IPW2100_HANDLER(IPW_STATE_ASSOCIATED, isr_indicate_associated),
2257 IPW2100_HANDLER(IPW_STATE_ASSN_LOST, isr_indicate_association_lost),
2258 IPW2100_HANDLER(IPW_STATE_ASSN_CHANGED, NULL),
2259 IPW2100_HANDLER(IPW_STATE_SCAN_COMPLETE, isr_scan_complete),
2260 IPW2100_HANDLER(IPW_STATE_ENTERED_PSP, NULL),
2261 IPW2100_HANDLER(IPW_STATE_LEFT_PSP, NULL),
2262 IPW2100_HANDLER(IPW_STATE_RF_KILL, isr_indicate_rf_kill),
2263 IPW2100_HANDLER(IPW_STATE_DISABLED, NULL),
2264 IPW2100_HANDLER(IPW_STATE_POWER_DOWN, NULL),
2265 IPW2100_HANDLER(IPW_STATE_SCANNING, isr_indicate_scanning),
2266 IPW2100_HANDLER(-1, NULL)
2267 };
2268
2269 static void isr_status_change(struct ipw2100_priv *priv, int status)
2270 {
2271 int i;
2272
2273 if (status == IPW_STATE_SCANNING &&
2274 priv->status & STATUS_ASSOCIATED &&
2275 !(priv->status & STATUS_SCANNING)) {
2276 IPW_DEBUG_INFO("Scan detected while associated, with "
2277 "no scan request. Restarting firmware.\n");
2278
2279 /* Wake up any sleeping jobs */
2280 schedule_reset(priv);
2281 }
2282
2283 for (i = 0; status_handlers[i].status != -1; i++) {
2284 if (status == status_handlers[i].status) {
2285 IPW_DEBUG_NOTIF("Status change: %s\n",
2286 status_handlers[i].name);
2287 if (status_handlers[i].cb)
2288 status_handlers[i].cb(priv, status);
2289 priv->wstats.status = status;
2290 return;
2291 }
2292 }
2293
2294 IPW_DEBUG_NOTIF("unknown status received: %04x\n", status);
2295 }
2296
2297 static void isr_rx_complete_command(struct ipw2100_priv *priv,
2298 struct ipw2100_cmd_header *cmd)
2299 {
2300 #ifdef CONFIG_IPW2100_DEBUG
2301 if (cmd->host_command_reg < ARRAY_SIZE(command_types)) {
2302 IPW_DEBUG_HC("Command completed '%s (%d)'\n",
2303 command_types[cmd->host_command_reg],
2304 cmd->host_command_reg);
2305 }
2306 #endif
2307 if (cmd->host_command_reg == HOST_COMPLETE)
2308 priv->status |= STATUS_ENABLED;
2309
2310 if (cmd->host_command_reg == CARD_DISABLE)
2311 priv->status &= ~STATUS_ENABLED;
2312
2313 priv->status &= ~STATUS_CMD_ACTIVE;
2314
2315 wake_up_interruptible(&priv->wait_command_queue);
2316 }
2317
2318 #ifdef CONFIG_IPW2100_DEBUG
2319 static const char *frame_types[] = {
2320 "COMMAND_STATUS_VAL",
2321 "STATUS_CHANGE_VAL",
2322 "P80211_DATA_VAL",
2323 "P8023_DATA_VAL",
2324 "HOST_NOTIFICATION_VAL"
2325 };
2326 #endif
2327
2328 static int ipw2100_alloc_skb(struct ipw2100_priv *priv,
2329 struct ipw2100_rx_packet *packet)
2330 {
2331 packet->skb = dev_alloc_skb(sizeof(struct ipw2100_rx));
2332 if (!packet->skb)
2333 return -ENOMEM;
2334
2335 packet->rxp = (struct ipw2100_rx *)packet->skb->data;
2336 packet->dma_addr = pci_map_single(priv->pci_dev, packet->skb->data,
2337 sizeof(struct ipw2100_rx),
2338 PCI_DMA_FROMDEVICE);
2339 /* NOTE: pci_map_single does not return an error code, and 0 is a valid
2340 * dma_addr */
2341
2342 return 0;
2343 }
2344
2345 #define SEARCH_ERROR 0xffffffff
2346 #define SEARCH_FAIL 0xfffffffe
2347 #define SEARCH_SUCCESS 0xfffffff0
2348 #define SEARCH_DISCARD 0
2349 #define SEARCH_SNAPSHOT 1
2350
2351 #define SNAPSHOT_ADDR(ofs) (priv->snapshot[((ofs) >> 12) & 0xff] + ((ofs) & 0xfff))
2352 static void ipw2100_snapshot_free(struct ipw2100_priv *priv)
2353 {
2354 int i;
2355 if (!priv->snapshot[0])
2356 return;
2357 for (i = 0; i < 0x30; i++)
2358 kfree(priv->snapshot[i]);
2359 priv->snapshot[0] = NULL;
2360 }
2361
2362 #ifdef IPW2100_DEBUG_C3
2363 static int ipw2100_snapshot_alloc(struct ipw2100_priv *priv)
2364 {
2365 int i;
2366 if (priv->snapshot[0])
2367 return 1;
2368 for (i = 0; i < 0x30; i++) {
2369 priv->snapshot[i] = kmalloc(0x1000, GFP_ATOMIC);
2370 if (!priv->snapshot[i]) {
2371 IPW_DEBUG_INFO("%s: Error allocating snapshot "
2372 "buffer %d\n", priv->net_dev->name, i);
2373 while (i > 0)
2374 kfree(priv->snapshot[--i]);
2375 priv->snapshot[0] = NULL;
2376 return 0;
2377 }
2378 }
2379
2380 return 1;
2381 }
2382
2383 static u32 ipw2100_match_buf(struct ipw2100_priv *priv, u8 * in_buf,
2384 size_t len, int mode)
2385 {
2386 u32 i, j;
2387 u32 tmp;
2388 u8 *s, *d;
2389 u32 ret;
2390
2391 s = in_buf;
2392 if (mode == SEARCH_SNAPSHOT) {
2393 if (!ipw2100_snapshot_alloc(priv))
2394 mode = SEARCH_DISCARD;
2395 }
2396
2397 for (ret = SEARCH_FAIL, i = 0; i < 0x30000; i += 4) {
2398 read_nic_dword(priv->net_dev, i, &tmp);
2399 if (mode == SEARCH_SNAPSHOT)
2400 *(u32 *) SNAPSHOT_ADDR(i) = tmp;
2401 if (ret == SEARCH_FAIL) {
2402 d = (u8 *) & tmp;
2403 for (j = 0; j < 4; j++) {
2404 if (*s != *d) {
2405 s = in_buf;
2406 continue;
2407 }
2408
2409 s++;
2410 d++;
2411
2412 if ((s - in_buf) == len)
2413 ret = (i + j) - len + 1;
2414 }
2415 } else if (mode == SEARCH_DISCARD)
2416 return ret;
2417 }
2418
2419 return ret;
2420 }
2421 #endif
2422
2423 /*
2424 *
2425 * 0) Disconnect the SKB from the firmware (just unmap)
2426 * 1) Pack the ETH header into the SKB
2427 * 2) Pass the SKB to the network stack
2428 *
2429 * When packet is provided by the firmware, it contains the following:
2430 *
2431 * . libipw_hdr
2432 * . libipw_snap_hdr
2433 *
2434 * The size of the constructed ethernet
2435 *
2436 */
2437 #ifdef IPW2100_RX_DEBUG
2438 static u8 packet_data[IPW_RX_NIC_BUFFER_LENGTH];
2439 #endif
2440
2441 static void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i)
2442 {
2443 #ifdef IPW2100_DEBUG_C3
2444 struct ipw2100_status *status = &priv->status_queue.drv[i];
2445 u32 match, reg;
2446 int j;
2447 #endif
2448
2449 IPW_DEBUG_INFO(": PCI latency error detected at 0x%04zX.\n",
2450 i * sizeof(struct ipw2100_status));
2451
2452 #ifdef IPW2100_DEBUG_C3
2453 /* Halt the firmware so we can get a good image */
2454 write_register(priv->net_dev, IPW_REG_RESET_REG,
2455 IPW_AUX_HOST_RESET_REG_STOP_MASTER);
2456 j = 5;
2457 do {
2458 udelay(IPW_WAIT_RESET_MASTER_ASSERT_COMPLETE_DELAY);
2459 read_register(priv->net_dev, IPW_REG_RESET_REG, &reg);
2460
2461 if (reg & IPW_AUX_HOST_RESET_REG_MASTER_DISABLED)
2462 break;
2463 } while (j--);
2464
2465 match = ipw2100_match_buf(priv, (u8 *) status,
2466 sizeof(struct ipw2100_status),
2467 SEARCH_SNAPSHOT);
2468 if (match < SEARCH_SUCCESS)
2469 IPW_DEBUG_INFO("%s: DMA status match in Firmware at "
2470 "offset 0x%06X, length %d:\n",
2471 priv->net_dev->name, match,
2472 sizeof(struct ipw2100_status));
2473 else
2474 IPW_DEBUG_INFO("%s: No DMA status match in "
2475 "Firmware.\n", priv->net_dev->name);
2476
2477 printk_buf((u8 *) priv->status_queue.drv,
2478 sizeof(struct ipw2100_status) * RX_QUEUE_LENGTH);
2479 #endif
2480
2481 priv->fatal_error = IPW2100_ERR_C3_CORRUPTION;
2482 priv->net_dev->stats.rx_errors++;
2483 schedule_reset(priv);
2484 }
2485
2486 static void isr_rx(struct ipw2100_priv *priv, int i,
2487 struct libipw_rx_stats *stats)
2488 {
2489 struct net_device *dev = priv->net_dev;
2490 struct ipw2100_status *status = &priv->status_queue.drv[i];
2491 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i];
2492
2493 IPW_DEBUG_RX("Handler...\n");
2494
2495 if (unlikely(status->frame_size > skb_tailroom(packet->skb))) {
2496 IPW_DEBUG_INFO("%s: frame_size (%u) > skb_tailroom (%u)!"
2497 " Dropping.\n",
2498 dev->name,
2499 status->frame_size, skb_tailroom(packet->skb));
2500 dev->stats.rx_errors++;
2501 return;
2502 }
2503
2504 if (unlikely(!netif_running(dev))) {
2505 dev->stats.rx_errors++;
2506 priv->wstats.discard.misc++;
2507 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n");
2508 return;
2509 }
2510
2511 if (unlikely(priv->ieee->iw_mode != IW_MODE_MONITOR &&
2512 !(priv->status & STATUS_ASSOCIATED))) {
2513 IPW_DEBUG_DROP("Dropping packet while not associated.\n");
2514 priv->wstats.discard.misc++;
2515 return;
2516 }
2517
2518 pci_unmap_single(priv->pci_dev,
2519 packet->dma_addr,
2520 sizeof(struct ipw2100_rx), PCI_DMA_FROMDEVICE);
2521
2522 skb_put(packet->skb, status->frame_size);
2523
2524 #ifdef IPW2100_RX_DEBUG
2525 /* Make a copy of the frame so we can dump it to the logs if
2526 * libipw_rx fails */
2527 skb_copy_from_linear_data(packet->skb, packet_data,
2528 min_t(u32, status->frame_size,
2529 IPW_RX_NIC_BUFFER_LENGTH));
2530 #endif
2531
2532 if (!libipw_rx(priv->ieee, packet->skb, stats)) {
2533 #ifdef IPW2100_RX_DEBUG
2534 IPW_DEBUG_DROP("%s: Non consumed packet:\n",
2535 dev->name);
2536 printk_buf(IPW_DL_DROP, packet_data, status->frame_size);
2537 #endif
2538 dev->stats.rx_errors++;
2539
2540 /* libipw_rx failed, so it didn't free the SKB */
2541 dev_kfree_skb_any(packet->skb);
2542 packet->skb = NULL;
2543 }
2544
2545 /* We need to allocate a new SKB and attach it to the RDB. */
2546 if (unlikely(ipw2100_alloc_skb(priv, packet))) {
2547 printk(KERN_WARNING DRV_NAME ": "
2548 "%s: Unable to allocate SKB onto RBD ring - disabling "
2549 "adapter.\n", dev->name);
2550 /* TODO: schedule adapter shutdown */
2551 IPW_DEBUG_INFO("TODO: Shutdown adapter...\n");
2552 }
2553
2554 /* Update the RDB entry */
2555 priv->rx_queue.drv[i].host_addr = packet->dma_addr;
2556 }
2557
2558 #ifdef CONFIG_IPW2100_MONITOR
2559
2560 static void isr_rx_monitor(struct ipw2100_priv *priv, int i,
2561 struct libipw_rx_stats *stats)
2562 {
2563 struct net_device *dev = priv->net_dev;
2564 struct ipw2100_status *status = &priv->status_queue.drv[i];
2565 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i];
2566
2567 /* Magic struct that slots into the radiotap header -- no reason
2568 * to build this manually element by element, we can write it much
2569 * more efficiently than we can parse it. ORDER MATTERS HERE */
2570 struct ipw_rt_hdr {
2571 struct ieee80211_radiotap_header rt_hdr;
2572 s8 rt_dbmsignal; /* signal in dbM, kluged to signed */
2573 } *ipw_rt;
2574
2575 IPW_DEBUG_RX("Handler...\n");
2576
2577 if (unlikely(status->frame_size > skb_tailroom(packet->skb) -
2578 sizeof(struct ipw_rt_hdr))) {
2579 IPW_DEBUG_INFO("%s: frame_size (%u) > skb_tailroom (%u)!"
2580 " Dropping.\n",
2581 dev->name,
2582 status->frame_size,
2583 skb_tailroom(packet->skb));
2584 dev->stats.rx_errors++;
2585 return;
2586 }
2587
2588 if (unlikely(!netif_running(dev))) {
2589 dev->stats.rx_errors++;
2590 priv->wstats.discard.misc++;
2591 IPW_DEBUG_DROP("Dropping packet while interface is not up.\n");
2592 return;
2593 }
2594
2595 if (unlikely(priv->config & CFG_CRC_CHECK &&
2596 status->flags & IPW_STATUS_FLAG_CRC_ERROR)) {
2597 IPW_DEBUG_RX("CRC error in packet. Dropping.\n");
2598 dev->stats.rx_errors++;
2599 return;
2600 }
2601
2602 pci_unmap_single(priv->pci_dev, packet->dma_addr,
2603 sizeof(struct ipw2100_rx), PCI_DMA_FROMDEVICE);
2604 memmove(packet->skb->data + sizeof(struct ipw_rt_hdr),
2605 packet->skb->data, status->frame_size);
2606
2607 ipw_rt = (struct ipw_rt_hdr *) packet->skb->data;
2608
2609 ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
2610 ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */
2611 ipw_rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct ipw_rt_hdr)); /* total hdr+data */
2612
2613 ipw_rt->rt_hdr.it_present = cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
2614
2615 ipw_rt->rt_dbmsignal = status->rssi + IPW2100_RSSI_TO_DBM;
2616
2617 skb_put(packet->skb, status->frame_size + sizeof(struct ipw_rt_hdr));
2618
2619 if (!libipw_rx(priv->ieee, packet->skb, stats)) {
2620 dev->stats.rx_errors++;
2621
2622 /* libipw_rx failed, so it didn't free the SKB */
2623 dev_kfree_skb_any(packet->skb);
2624 packet->skb = NULL;
2625 }
2626
2627 /* We need to allocate a new SKB and attach it to the RDB. */
2628 if (unlikely(ipw2100_alloc_skb(priv, packet))) {
2629 IPW_DEBUG_WARNING(
2630 "%s: Unable to allocate SKB onto RBD ring - disabling "
2631 "adapter.\n", dev->name);
2632 /* TODO: schedule adapter shutdown */
2633 IPW_DEBUG_INFO("TODO: Shutdown adapter...\n");
2634 }
2635
2636 /* Update the RDB entry */
2637 priv->rx_queue.drv[i].host_addr = packet->dma_addr;
2638 }
2639
2640 #endif
2641
2642 static int ipw2100_corruption_check(struct ipw2100_priv *priv, int i)
2643 {
2644 struct ipw2100_status *status = &priv->status_queue.drv[i];
2645 struct ipw2100_rx *u = priv->rx_buffers[i].rxp;
2646 u16 frame_type = status->status_fields & STATUS_TYPE_MASK;
2647
2648 switch (frame_type) {
2649 case COMMAND_STATUS_VAL:
2650 return (status->frame_size != sizeof(u->rx_data.command));
2651 case STATUS_CHANGE_VAL:
2652 return (status->frame_size != sizeof(u->rx_data.status));
2653 case HOST_NOTIFICATION_VAL:
2654 return (status->frame_size < sizeof(u->rx_data.notification));
2655 case P80211_DATA_VAL:
2656 case P8023_DATA_VAL:
2657 #ifdef CONFIG_IPW2100_MONITOR
2658 return 0;
2659 #else
2660 switch (WLAN_FC_GET_TYPE(le16_to_cpu(u->rx_data.header.frame_ctl))) {
2661 case IEEE80211_FTYPE_MGMT:
2662 case IEEE80211_FTYPE_CTL:
2663 return 0;
2664 case IEEE80211_FTYPE_DATA:
2665 return (status->frame_size >
2666 IPW_MAX_802_11_PAYLOAD_LENGTH);
2667 }
2668 #endif
2669 }
2670
2671 return 1;
2672 }
2673
2674 /*
2675 * ipw2100 interrupts are disabled at this point, and the ISR
2676 * is the only code that calls this method. So, we do not need
2677 * to play with any locks.
2678 *
2679 * RX Queue works as follows:
2680 *
2681 * Read index - firmware places packet in entry identified by the
2682 * Read index and advances Read index. In this manner,
2683 * Read index will always point to the next packet to
2684 * be filled--but not yet valid.
2685 *
2686 * Write index - driver fills this entry with an unused RBD entry.
2687 * This entry has not filled by the firmware yet.
2688 *
2689 * In between the W and R indexes are the RBDs that have been received
2690 * but not yet processed.
2691 *
2692 * The process of handling packets will start at WRITE + 1 and advance
2693 * until it reaches the READ index.
2694 *
2695 * The WRITE index is cached in the variable 'priv->rx_queue.next'.
2696 *
2697 */
2698 static void __ipw2100_rx_process(struct ipw2100_priv *priv)
2699 {
2700 struct ipw2100_bd_queue *rxq = &priv->rx_queue;
2701 struct ipw2100_status_queue *sq = &priv->status_queue;
2702 struct ipw2100_rx_packet *packet;
2703 u16 frame_type;
2704 u32 r, w, i, s;
2705 struct ipw2100_rx *u;
2706 struct libipw_rx_stats stats = {
2707 .mac_time = jiffies,
2708 };
2709
2710 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_READ_INDEX, &r);
2711 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_WRITE_INDEX, &w);
2712
2713 if (r >= rxq->entries) {
2714 IPW_DEBUG_RX("exit - bad read index\n");
2715 return;
2716 }
2717
2718 i = (rxq->next + 1) % rxq->entries;
2719 s = i;
2720 while (i != r) {
2721 /* IPW_DEBUG_RX("r = %d : w = %d : processing = %d\n",
2722 r, rxq->next, i); */
2723
2724 packet = &priv->rx_buffers[i];
2725
2726 /* Sync the DMA for the RX buffer so CPU is sure to get
2727 * the correct values */
2728 pci_dma_sync_single_for_cpu(priv->pci_dev, packet->dma_addr,
2729 sizeof(struct ipw2100_rx),
2730 PCI_DMA_FROMDEVICE);
2731
2732 if (unlikely(ipw2100_corruption_check(priv, i))) {
2733 ipw2100_corruption_detected(priv, i);
2734 goto increment;
2735 }
2736
2737 u = packet->rxp;
2738 frame_type = sq->drv[i].status_fields & STATUS_TYPE_MASK;
2739 stats.rssi = sq->drv[i].rssi + IPW2100_RSSI_TO_DBM;
2740 stats.len = sq->drv[i].frame_size;
2741
2742 stats.mask = 0;
2743 if (stats.rssi != 0)
2744 stats.mask |= LIBIPW_STATMASK_RSSI;
2745 stats.freq = LIBIPW_24GHZ_BAND;
2746
2747 IPW_DEBUG_RX("%s: '%s' frame type received (%d).\n",
2748 priv->net_dev->name, frame_types[frame_type],
2749 stats.len);
2750
2751 switch (frame_type) {
2752 case COMMAND_STATUS_VAL:
2753 /* Reset Rx watchdog */
2754 isr_rx_complete_command(priv, &u->rx_data.command);
2755 break;
2756
2757 case STATUS_CHANGE_VAL:
2758 isr_status_change(priv, u->rx_data.status);
2759 break;
2760
2761 case P80211_DATA_VAL:
2762 case P8023_DATA_VAL:
2763 #ifdef CONFIG_IPW2100_MONITOR
2764 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
2765 isr_rx_monitor(priv, i, &stats);
2766 break;
2767 }
2768 #endif
2769 if (stats.len < sizeof(struct libipw_hdr_3addr))
2770 break;
2771 switch (WLAN_FC_GET_TYPE(le16_to_cpu(u->rx_data.header.frame_ctl))) {
2772 case IEEE80211_FTYPE_MGMT:
2773 libipw_rx_mgt(priv->ieee,
2774 &u->rx_data.header, &stats);
2775 break;
2776
2777 case IEEE80211_FTYPE_CTL:
2778 break;
2779
2780 case IEEE80211_FTYPE_DATA:
2781 isr_rx(priv, i, &stats);
2782 break;
2783
2784 }
2785 break;
2786 }
2787
2788 increment:
2789 /* clear status field associated with this RBD */
2790 rxq->drv[i].status.info.field = 0;
2791
2792 i = (i + 1) % rxq->entries;
2793 }
2794
2795 if (i != s) {
2796 /* backtrack one entry, wrapping to end if at 0 */
2797 rxq->next = (i ? i : rxq->entries) - 1;
2798
2799 write_register(priv->net_dev,
2800 IPW_MEM_HOST_SHARED_RX_WRITE_INDEX, rxq->next);
2801 }
2802 }
2803
2804 /*
2805 * __ipw2100_tx_process
2806 *
2807 * This routine will determine whether the next packet on
2808 * the fw_pend_list has been processed by the firmware yet.
2809 *
2810 * If not, then it does nothing and returns.
2811 *
2812 * If so, then it removes the item from the fw_pend_list, frees
2813 * any associated storage, and places the item back on the
2814 * free list of its source (either msg_free_list or tx_free_list)
2815 *
2816 * TX Queue works as follows:
2817 *
2818 * Read index - points to the next TBD that the firmware will
2819 * process. The firmware will read the data, and once
2820 * done processing, it will advance the Read index.
2821 *
2822 * Write index - driver fills this entry with an constructed TBD
2823 * entry. The Write index is not advanced until the
2824 * packet has been configured.
2825 *
2826 * In between the W and R indexes are the TBDs that have NOT been
2827 * processed. Lagging behind the R index are packets that have
2828 * been processed but have not been freed by the driver.
2829 *
2830 * In order to free old storage, an internal index will be maintained
2831 * that points to the next packet to be freed. When all used
2832 * packets have been freed, the oldest index will be the same as the
2833 * firmware's read index.
2834 *
2835 * The OLDEST index is cached in the variable 'priv->tx_queue.oldest'
2836 *
2837 * Because the TBD structure can not contain arbitrary data, the
2838 * driver must keep an internal queue of cached allocations such that
2839 * it can put that data back into the tx_free_list and msg_free_list
2840 * for use by future command and data packets.
2841 *
2842 */
2843 static int __ipw2100_tx_process(struct ipw2100_priv *priv)
2844 {
2845 struct ipw2100_bd_queue *txq = &priv->tx_queue;
2846 struct ipw2100_bd *tbd;
2847 struct list_head *element;
2848 struct ipw2100_tx_packet *packet;
2849 int descriptors_used;
2850 int e, i;
2851 u32 r, w, frag_num = 0;
2852
2853 if (list_empty(&priv->fw_pend_list))
2854 return 0;
2855
2856 element = priv->fw_pend_list.next;
2857
2858 packet = list_entry(element, struct ipw2100_tx_packet, list);
2859 tbd = &txq->drv[packet->index];
2860
2861 /* Determine how many TBD entries must be finished... */
2862 switch (packet->type) {
2863 case COMMAND:
2864 /* COMMAND uses only one slot; don't advance */
2865 descriptors_used = 1;
2866 e = txq->oldest;
2867 break;
2868
2869 case DATA:
2870 /* DATA uses two slots; advance and loop position. */
2871 descriptors_used = tbd->num_fragments;
2872 frag_num = tbd->num_fragments - 1;
2873 e = txq->oldest + frag_num;
2874 e %= txq->entries;
2875 break;
2876
2877 default:
2878 printk(KERN_WARNING DRV_NAME ": %s: Bad fw_pend_list entry!\n",
2879 priv->net_dev->name);
2880 return 0;
2881 }
2882
2883 /* if the last TBD is not done by NIC yet, then packet is
2884 * not ready to be released.
2885 *
2886 */
2887 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_TX_QUEUE_READ_INDEX,
2888 &r);
2889 read_register(priv->net_dev, IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX,
2890 &w);
2891 if (w != txq->next)
2892 printk(KERN_WARNING DRV_NAME ": %s: write index mismatch\n",
2893 priv->net_dev->name);
2894
2895 /*
2896 * txq->next is the index of the last packet written txq->oldest is
2897 * the index of the r is the index of the next packet to be read by
2898 * firmware
2899 */
2900
2901 /*
2902 * Quick graphic to help you visualize the following
2903 * if / else statement
2904 *
2905 * ===>| s---->|===============
2906 * e>|
2907 * | a | b | c | d | e | f | g | h | i | j | k | l
2908 * r---->|
2909 * w
2910 *
2911 * w - updated by driver
2912 * r - updated by firmware
2913 * s - start of oldest BD entry (txq->oldest)
2914 * e - end of oldest BD entry
2915 *
2916 */
2917 if (!((r <= w && (e < r || e >= w)) || (e < r && e >= w))) {
2918 IPW_DEBUG_TX("exit - no processed packets ready to release.\n");
2919 return 0;
2920 }
2921
2922 list_del(element);
2923 DEC_STAT(&priv->fw_pend_stat);
2924
2925 #ifdef CONFIG_IPW2100_DEBUG
2926 {
2927 i = txq->oldest;
2928 IPW_DEBUG_TX("TX%d V=%p P=%04X T=%04X L=%d\n", i,
2929 &txq->drv[i],
2930 (u32) (txq->nic + i * sizeof(struct ipw2100_bd)),
2931 txq->drv[i].host_addr, txq->drv[i].buf_length);
2932
2933 if (packet->type == DATA) {
2934 i = (i + 1) % txq->entries;
2935
2936 IPW_DEBUG_TX("TX%d V=%p P=%04X T=%04X L=%d\n", i,
2937 &txq->drv[i],
2938 (u32) (txq->nic + i *
2939 sizeof(struct ipw2100_bd)),
2940 (u32) txq->drv[i].host_addr,
2941 txq->drv[i].buf_length);
2942 }
2943 }
2944 #endif
2945
2946 switch (packet->type) {
2947 case DATA:
2948 if (txq->drv[txq->oldest].status.info.fields.txType != 0)
2949 printk(KERN_WARNING DRV_NAME ": %s: Queue mismatch. "
2950 "Expecting DATA TBD but pulled "
2951 "something else: ids %d=%d.\n",
2952 priv->net_dev->name, txq->oldest, packet->index);
2953
2954 /* DATA packet; we have to unmap and free the SKB */
2955 for (i = 0; i < frag_num; i++) {
2956 tbd = &txq->drv[(packet->index + 1 + i) % txq->entries];
2957
2958 IPW_DEBUG_TX("TX%d P=%08x L=%d\n",
2959 (packet->index + 1 + i) % txq->entries,
2960 tbd->host_addr, tbd->buf_length);
2961
2962 pci_unmap_single(priv->pci_dev,
2963 tbd->host_addr,
2964 tbd->buf_length, PCI_DMA_TODEVICE);
2965 }
2966
2967 libipw_txb_free(packet->info.d_struct.txb);
2968 packet->info.d_struct.txb = NULL;
2969
2970 list_add_tail(element, &priv->tx_free_list);
2971 INC_STAT(&priv->tx_free_stat);
2972
2973 /* We have a free slot in the Tx queue, so wake up the
2974 * transmit layer if it is stopped. */
2975 if (priv->status & STATUS_ASSOCIATED)
2976 netif_wake_queue(priv->net_dev);
2977
2978 /* A packet was processed by the hardware, so update the
2979 * watchdog */
2980 priv->net_dev->trans_start = jiffies;
2981
2982 break;
2983
2984 case COMMAND:
2985 if (txq->drv[txq->oldest].status.info.fields.txType != 1)
2986 printk(KERN_WARNING DRV_NAME ": %s: Queue mismatch. "
2987 "Expecting COMMAND TBD but pulled "
2988 "something else: ids %d=%d.\n",
2989 priv->net_dev->name, txq->oldest, packet->index);
2990
2991 #ifdef CONFIG_IPW2100_DEBUG
2992 if (packet->info.c_struct.cmd->host_command_reg <
2993 ARRAY_SIZE(command_types))
2994 IPW_DEBUG_TX("Command '%s (%d)' processed: %d.\n",
2995 command_types[packet->info.c_struct.cmd->
2996 host_command_reg],
2997 packet->info.c_struct.cmd->
2998 host_command_reg,
2999 packet->info.c_struct.cmd->cmd_status_reg);
3000 #endif
3001
3002 list_add_tail(element, &priv->msg_free_list);
3003 INC_STAT(&priv->msg_free_stat);
3004 break;
3005 }
3006
3007 /* advance oldest used TBD pointer to start of next entry */
3008 txq->oldest = (e + 1) % txq->entries;
3009 /* increase available TBDs number */
3010 txq->available += descriptors_used;
3011 SET_STAT(&priv->txq_stat, txq->available);
3012
3013 IPW_DEBUG_TX("packet latency (send to process) %ld jiffies\n",
3014 jiffies - packet->jiffy_start);
3015
3016 return (!list_empty(&priv->fw_pend_list));
3017 }
3018
3019 static inline void __ipw2100_tx_complete(struct ipw2100_priv *priv)
3020 {
3021 int i = 0;
3022
3023 while (__ipw2100_tx_process(priv) && i < 200)
3024 i++;
3025
3026 if (i == 200) {
3027 printk(KERN_WARNING DRV_NAME ": "
3028 "%s: Driver is running slow (%d iters).\n",
3029 priv->net_dev->name, i);
3030 }
3031 }
3032
3033 static void ipw2100_tx_send_commands(struct ipw2100_priv *priv)
3034 {
3035 struct list_head *element;
3036 struct ipw2100_tx_packet *packet;
3037 struct ipw2100_bd_queue *txq = &priv->tx_queue;
3038 struct ipw2100_bd *tbd;
3039 int next = txq->next;
3040
3041 while (!list_empty(&priv->msg_pend_list)) {
3042 /* if there isn't enough space in TBD queue, then
3043 * don't stuff a new one in.
3044 * NOTE: 3 are needed as a command will take one,
3045 * and there is a minimum of 2 that must be
3046 * maintained between the r and w indexes
3047 */
3048 if (txq->available <= 3) {
3049 IPW_DEBUG_TX("no room in tx_queue\n");
3050 break;
3051 }
3052
3053 element = priv->msg_pend_list.next;
3054 list_del(element);
3055 DEC_STAT(&priv->msg_pend_stat);
3056
3057 packet = list_entry(element, struct ipw2100_tx_packet, list);
3058
3059 IPW_DEBUG_TX("using TBD at virt=%p, phys=%04X\n",
3060 &txq->drv[txq->next],
3061 (u32) (txq->nic + txq->next *
3062 sizeof(struct ipw2100_bd)));
3063
3064 packet->index = txq->next;
3065
3066 tbd = &txq->drv[txq->next];
3067
3068 /* initialize TBD */
3069 tbd->host_addr = packet->info.c_struct.cmd_phys;
3070 tbd->buf_length = sizeof(struct ipw2100_cmd_header);
3071 /* not marking number of fragments causes problems
3072 * with f/w debug version */
3073 tbd->num_fragments = 1;
3074 tbd->status.info.field =
3075 IPW_BD_STATUS_TX_FRAME_COMMAND |
3076 IPW_BD_STATUS_TX_INTERRUPT_ENABLE;
3077
3078 /* update TBD queue counters */
3079 txq->next++;
3080 txq->next %= txq->entries;
3081 txq->available--;
3082 DEC_STAT(&priv->txq_stat);
3083
3084 list_add_tail(element, &priv->fw_pend_list);
3085 INC_STAT(&priv->fw_pend_stat);
3086 }
3087
3088 if (txq->next != next) {
3089 /* kick off the DMA by notifying firmware the
3090 * write index has moved; make sure TBD stores are sync'd */
3091 wmb();
3092 write_register(priv->net_dev,
3093 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX,
3094 txq->next);
3095 }
3096 }
3097
3098 /*
3099 * ipw2100_tx_send_data
3100 *
3101 */
3102 static void ipw2100_tx_send_data(struct ipw2100_priv *priv)
3103 {
3104 struct list_head *element;
3105 struct ipw2100_tx_packet *packet;
3106 struct ipw2100_bd_queue *txq = &priv->tx_queue;
3107 struct ipw2100_bd *tbd;
3108 int next = txq->next;
3109 int i = 0;
3110 struct ipw2100_data_header *ipw_hdr;
3111 struct libipw_hdr_3addr *hdr;
3112
3113 while (!list_empty(&priv->tx_pend_list)) {
3114 /* if there isn't enough space in TBD queue, then
3115 * don't stuff a new one in.
3116 * NOTE: 4 are needed as a data will take two,
3117 * and there is a minimum of 2 that must be
3118 * maintained between the r and w indexes
3119 */
3120 element = priv->tx_pend_list.next;
3121 packet = list_entry(element, struct ipw2100_tx_packet, list);
3122
3123 if (unlikely(1 + packet->info.d_struct.txb->nr_frags >
3124 IPW_MAX_BDS)) {
3125 /* TODO: Support merging buffers if more than
3126 * IPW_MAX_BDS are used */
3127 IPW_DEBUG_INFO("%s: Maximum BD threshold exceeded. "
3128 "Increase fragmentation level.\n",
3129 priv->net_dev->name);
3130 }
3131
3132 if (txq->available <= 3 + packet->info.d_struct.txb->nr_frags) {
3133 IPW_DEBUG_TX("no room in tx_queue\n");
3134 break;
3135 }
3136
3137 list_del(element);
3138 DEC_STAT(&priv->tx_pend_stat);
3139
3140 tbd = &txq->drv[txq->next];
3141
3142 packet->index = txq->next;
3143
3144 ipw_hdr = packet->info.d_struct.data;
3145 hdr = (struct libipw_hdr_3addr *)packet->info.d_struct.txb->
3146 fragments[0]->data;
3147
3148 if (priv->ieee->iw_mode == IW_MODE_INFRA) {
3149 /* To DS: Addr1 = BSSID, Addr2 = SA,
3150 Addr3 = DA */
3151 memcpy(ipw_hdr->src_addr, hdr->addr2, ETH_ALEN);
3152 memcpy(ipw_hdr->dst_addr, hdr->addr3, ETH_ALEN);
3153 } else if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
3154 /* not From/To DS: Addr1 = DA, Addr2 = SA,
3155 Addr3 = BSSID */
3156 memcpy(ipw_hdr->src_addr, hdr->addr2, ETH_ALEN);
3157 memcpy(ipw_hdr->dst_addr, hdr->addr1, ETH_ALEN);
3158 }
3159
3160 ipw_hdr->host_command_reg = SEND;
3161 ipw_hdr->host_command_reg1 = 0;
3162
3163 /* For now we only support host based encryption */
3164 ipw_hdr->needs_encryption = 0;
3165 ipw_hdr->encrypted = packet->info.d_struct.txb->encrypted;
3166 if (packet->info.d_struct.txb->nr_frags > 1)
3167 ipw_hdr->fragment_size =
3168 packet->info.d_struct.txb->frag_size -
3169 LIBIPW_3ADDR_LEN;
3170 else
3171 ipw_hdr->fragment_size = 0;
3172
3173 tbd->host_addr = packet->info.d_struct.data_phys;
3174 tbd->buf_length = sizeof(struct ipw2100_data_header);
3175 tbd->num_fragments = 1 + packet->info.d_struct.txb->nr_frags;
3176 tbd->status.info.field =
3177 IPW_BD_STATUS_TX_FRAME_802_3 |
3178 IPW_BD_STATUS_TX_FRAME_NOT_LAST_FRAGMENT;
3179 txq->next++;
3180 txq->next %= txq->entries;
3181
3182 IPW_DEBUG_TX("data header tbd TX%d P=%08x L=%d\n",
3183 packet->index, tbd->host_addr, tbd->buf_length);
3184 #ifdef CONFIG_IPW2100_DEBUG
3185 if (packet->info.d_struct.txb->nr_frags > 1)
3186 IPW_DEBUG_FRAG("fragment Tx: %d frames\n",
3187 packet->info.d_struct.txb->nr_frags);
3188 #endif
3189
3190 for (i = 0; i < packet->info.d_struct.txb->nr_frags; i++) {
3191 tbd = &txq->drv[txq->next];
3192 if (i == packet->info.d_struct.txb->nr_frags - 1)
3193 tbd->status.info.field =
3194 IPW_BD_STATUS_TX_FRAME_802_3 |
3195 IPW_BD_STATUS_TX_INTERRUPT_ENABLE;
3196 else
3197 tbd->status.info.field =
3198 IPW_BD_STATUS_TX_FRAME_802_3 |
3199 IPW_BD_STATUS_TX_FRAME_NOT_LAST_FRAGMENT;
3200
3201 tbd->buf_length = packet->info.d_struct.txb->
3202 fragments[i]->len - LIBIPW_3ADDR_LEN;
3203
3204 tbd->host_addr = pci_map_single(priv->pci_dev,
3205 packet->info.d_struct.
3206 txb->fragments[i]->
3207 data +
3208 LIBIPW_3ADDR_LEN,
3209 tbd->buf_length,
3210 PCI_DMA_TODEVICE);
3211
3212 IPW_DEBUG_TX("data frag tbd TX%d P=%08x L=%d\n",
3213 txq->next, tbd->host_addr,
3214 tbd->buf_length);
3215
3216 pci_dma_sync_single_for_device(priv->pci_dev,
3217 tbd->host_addr,
3218 tbd->buf_length,
3219 PCI_DMA_TODEVICE);
3220
3221 txq->next++;
3222 txq->next %= txq->entries;
3223 }
3224
3225 txq->available -= 1 + packet->info.d_struct.txb->nr_frags;
3226 SET_STAT(&priv->txq_stat, txq->available);
3227
3228 list_add_tail(element, &priv->fw_pend_list);
3229 INC_STAT(&priv->fw_pend_stat);
3230 }
3231
3232 if (txq->next != next) {
3233 /* kick off the DMA by notifying firmware the
3234 * write index has moved; make sure TBD stores are sync'd */
3235 write_register(priv->net_dev,
3236 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX,
3237 txq->next);
3238 }
3239 }
3240
3241 static void ipw2100_irq_tasklet(struct ipw2100_priv *priv)
3242 {
3243 struct net_device *dev = priv->net_dev;
3244 unsigned long flags;
3245 u32 inta, tmp;
3246
3247 spin_lock_irqsave(&priv->low_lock, flags);
3248 ipw2100_disable_interrupts(priv);
3249
3250 read_register(dev, IPW_REG_INTA, &inta);
3251
3252 IPW_DEBUG_ISR("enter - INTA: 0x%08lX\n",
3253 (unsigned long)inta & IPW_INTERRUPT_MASK);
3254
3255 priv->in_isr++;
3256 priv->interrupts++;
3257
3258 /* We do not loop and keep polling for more interrupts as this
3259 * is frowned upon and doesn't play nicely with other potentially
3260 * chained IRQs */
3261 IPW_DEBUG_ISR("INTA: 0x%08lX\n",
3262 (unsigned long)inta & IPW_INTERRUPT_MASK);
3263
3264 if (inta & IPW2100_INTA_FATAL_ERROR) {
3265 printk(KERN_WARNING DRV_NAME
3266 ": Fatal interrupt. Scheduling firmware restart.\n");
3267 priv->inta_other++;
3268 write_register(dev, IPW_REG_INTA, IPW2100_INTA_FATAL_ERROR);
3269
3270 read_nic_dword(dev, IPW_NIC_FATAL_ERROR, &priv->fatal_error);
3271 IPW_DEBUG_INFO("%s: Fatal error value: 0x%08X\n",
3272 priv->net_dev->name, priv->fatal_error);
3273
3274 read_nic_dword(dev, IPW_ERROR_ADDR(priv->fatal_error), &tmp);
3275 IPW_DEBUG_INFO("%s: Fatal error address value: 0x%08X\n",
3276 priv->net_dev->name, tmp);
3277
3278 /* Wake up any sleeping jobs */
3279 schedule_reset(priv);
3280 }
3281
3282 if (inta & IPW2100_INTA_PARITY_ERROR) {
3283 printk(KERN_ERR DRV_NAME
3284 ": ***** PARITY ERROR INTERRUPT !!!!\n");
3285 priv->inta_other++;
3286 write_register(dev, IPW_REG_INTA, IPW2100_INTA_PARITY_ERROR);
3287 }
3288
3289 if (inta & IPW2100_INTA_RX_TRANSFER) {
3290 IPW_DEBUG_ISR("RX interrupt\n");
3291
3292 priv->rx_interrupts++;
3293
3294 write_register(dev, IPW_REG_INTA, IPW2100_INTA_RX_TRANSFER);
3295
3296 __ipw2100_rx_process(priv);
3297 __ipw2100_tx_complete(priv);
3298 }
3299
3300 if (inta & IPW2100_INTA_TX_TRANSFER) {
3301 IPW_DEBUG_ISR("TX interrupt\n");
3302
3303 priv->tx_interrupts++;
3304
3305 write_register(dev, IPW_REG_INTA, IPW2100_INTA_TX_TRANSFER);
3306
3307 __ipw2100_tx_complete(priv);
3308 ipw2100_tx_send_commands(priv);
3309 ipw2100_tx_send_data(priv);
3310 }
3311
3312 if (inta & IPW2100_INTA_TX_COMPLETE) {
3313 IPW_DEBUG_ISR("TX complete\n");
3314 priv->inta_other++;
3315 write_register(dev, IPW_REG_INTA, IPW2100_INTA_TX_COMPLETE);
3316
3317 __ipw2100_tx_complete(priv);
3318 }
3319
3320 if (inta & IPW2100_INTA_EVENT_INTERRUPT) {
3321 /* ipw2100_handle_event(dev); */
3322 priv->inta_other++;
3323 write_register(dev, IPW_REG_INTA, IPW2100_INTA_EVENT_INTERRUPT);
3324 }
3325
3326 if (inta & IPW2100_INTA_FW_INIT_DONE) {
3327 IPW_DEBUG_ISR("FW init done interrupt\n");
3328 priv->inta_other++;
3329
3330 read_register(dev, IPW_REG_INTA, &tmp);
3331 if (tmp & (IPW2100_INTA_FATAL_ERROR |
3332 IPW2100_INTA_PARITY_ERROR)) {
3333 write_register(dev, IPW_REG_INTA,
3334 IPW2100_INTA_FATAL_ERROR |
3335 IPW2100_INTA_PARITY_ERROR);
3336 }
3337
3338 write_register(dev, IPW_REG_INTA, IPW2100_INTA_FW_INIT_DONE);
3339 }
3340
3341 if (inta & IPW2100_INTA_STATUS_CHANGE) {
3342 IPW_DEBUG_ISR("Status change interrupt\n");
3343 priv->inta_other++;
3344 write_register(dev, IPW_REG_INTA, IPW2100_INTA_STATUS_CHANGE);
3345 }
3346
3347 if (inta & IPW2100_INTA_SLAVE_MODE_HOST_COMMAND_DONE) {
3348 IPW_DEBUG_ISR("slave host mode interrupt\n");
3349 priv->inta_other++;
3350 write_register(dev, IPW_REG_INTA,
3351 IPW2100_INTA_SLAVE_MODE_HOST_COMMAND_DONE);
3352 }
3353
3354 priv->in_isr--;
3355 ipw2100_enable_interrupts(priv);
3356
3357 spin_unlock_irqrestore(&priv->low_lock, flags);
3358
3359 IPW_DEBUG_ISR("exit\n");
3360 }
3361
3362 static irqreturn_t ipw2100_interrupt(int irq, void *data)
3363 {
3364 struct ipw2100_priv *priv = data;
3365 u32 inta, inta_mask;
3366
3367 if (!data)
3368 return IRQ_NONE;
3369
3370 spin_lock(&priv->low_lock);
3371
3372 /* We check to see if we should be ignoring interrupts before
3373 * we touch the hardware. During ucode load if we try and handle
3374 * an interrupt we can cause keyboard problems as well as cause
3375 * the ucode to fail to initialize */
3376 if (!(priv->status & STATUS_INT_ENABLED)) {
3377 /* Shared IRQ */
3378 goto none;
3379 }
3380
3381 read_register(priv->net_dev, IPW_REG_INTA_MASK, &inta_mask);
3382 read_register(priv->net_dev, IPW_REG_INTA, &inta);
3383
3384 if (inta == 0xFFFFFFFF) {
3385 /* Hardware disappeared */
3386 printk(KERN_WARNING DRV_NAME ": IRQ INTA == 0xFFFFFFFF\n");
3387 goto none;
3388 }
3389
3390 inta &= IPW_INTERRUPT_MASK;
3391
3392 if (!(inta & inta_mask)) {
3393 /* Shared interrupt */
3394 goto none;
3395 }
3396
3397 /* We disable the hardware interrupt here just to prevent unneeded
3398 * calls to be made. We disable this again within the actual
3399 * work tasklet, so if another part of the code re-enables the
3400 * interrupt, that is fine */
3401 ipw2100_disable_interrupts(priv);
3402
3403 tasklet_schedule(&priv->irq_tasklet);
3404 spin_unlock(&priv->low_lock);
3405
3406 return IRQ_HANDLED;
3407 none:
3408 spin_unlock(&priv->low_lock);
3409 return IRQ_NONE;
3410 }
3411
3412 static netdev_tx_t ipw2100_tx(struct libipw_txb *txb,
3413 struct net_device *dev, int pri)
3414 {
3415 struct ipw2100_priv *priv = libipw_priv(dev);
3416 struct list_head *element;
3417 struct ipw2100_tx_packet *packet;
3418 unsigned long flags;
3419
3420 spin_lock_irqsave(&priv->low_lock, flags);
3421
3422 if (!(priv->status & STATUS_ASSOCIATED)) {
3423 IPW_DEBUG_INFO("Can not transmit when not connected.\n");
3424 priv->net_dev->stats.tx_carrier_errors++;
3425 netif_stop_queue(dev);
3426 goto fail_unlock;
3427 }
3428
3429 if (list_empty(&priv->tx_free_list))
3430 goto fail_unlock;
3431
3432 element = priv->tx_free_list.next;
3433 packet = list_entry(element, struct ipw2100_tx_packet, list);
3434
3435 packet->info.d_struct.txb = txb;
3436
3437 IPW_DEBUG_TX("Sending fragment (%d bytes):\n", txb->fragments[0]->len);
3438 printk_buf(IPW_DL_TX, txb->fragments[0]->data, txb->fragments[0]->len);
3439
3440 packet->jiffy_start = jiffies;
3441
3442 list_del(element);
3443 DEC_STAT(&priv->tx_free_stat);
3444
3445 list_add_tail(element, &priv->tx_pend_list);
3446 INC_STAT(&priv->tx_pend_stat);
3447
3448 ipw2100_tx_send_data(priv);
3449
3450 spin_unlock_irqrestore(&priv->low_lock, flags);
3451 return NETDEV_TX_OK;
3452
3453 fail_unlock:
3454 netif_stop_queue(dev);
3455 spin_unlock_irqrestore(&priv->low_lock, flags);
3456 return NETDEV_TX_BUSY;
3457 }
3458
3459 static int ipw2100_msg_allocate(struct ipw2100_priv *priv)
3460 {
3461 int i, j, err = -EINVAL;
3462 void *v;
3463 dma_addr_t p;
3464
3465 priv->msg_buffers =
3466 kmalloc(IPW_COMMAND_POOL_SIZE * sizeof(struct ipw2100_tx_packet),
3467 GFP_KERNEL);
3468 if (!priv->msg_buffers) {
3469 printk(KERN_ERR DRV_NAME ": %s: PCI alloc failed for msg "
3470 "buffers.\n", priv->net_dev->name);
3471 return -ENOMEM;
3472 }
3473
3474 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) {
3475 v = pci_alloc_consistent(priv->pci_dev,
3476 sizeof(struct ipw2100_cmd_header), &p);
3477 if (!v) {
3478 printk(KERN_ERR DRV_NAME ": "
3479 "%s: PCI alloc failed for msg "
3480 "buffers.\n", priv->net_dev->name);
3481 err = -ENOMEM;
3482 break;
3483 }
3484
3485 memset(v, 0, sizeof(struct ipw2100_cmd_header));
3486
3487 priv->msg_buffers[i].type = COMMAND;
3488 priv->msg_buffers[i].info.c_struct.cmd =
3489 (struct ipw2100_cmd_header *)v;
3490 priv->msg_buffers[i].info.c_struct.cmd_phys = p;
3491 }
3492
3493 if (i == IPW_COMMAND_POOL_SIZE)
3494 return 0;
3495
3496 for (j = 0; j < i; j++) {
3497 pci_free_consistent(priv->pci_dev,
3498 sizeof(struct ipw2100_cmd_header),
3499 priv->msg_buffers[j].info.c_struct.cmd,
3500 priv->msg_buffers[j].info.c_struct.
3501 cmd_phys);
3502 }
3503
3504 kfree(priv->msg_buffers);
3505 priv->msg_buffers = NULL;
3506
3507 return err;
3508 }
3509
3510 static int ipw2100_msg_initialize(struct ipw2100_priv *priv)
3511 {
3512 int i;
3513
3514 INIT_LIST_HEAD(&priv->msg_free_list);
3515 INIT_LIST_HEAD(&priv->msg_pend_list);
3516
3517 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++)
3518 list_add_tail(&priv->msg_buffers[i].list, &priv->msg_free_list);
3519 SET_STAT(&priv->msg_free_stat, i);
3520
3521 return 0;
3522 }
3523
3524 static void ipw2100_msg_free(struct ipw2100_priv *priv)
3525 {
3526 int i;
3527
3528 if (!priv->msg_buffers)
3529 return;
3530
3531 for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) {
3532 pci_free_consistent(priv->pci_dev,
3533 sizeof(struct ipw2100_cmd_header),
3534 priv->msg_buffers[i].info.c_struct.cmd,
3535 priv->msg_buffers[i].info.c_struct.
3536 cmd_phys);
3537 }
3538
3539 kfree(priv->msg_buffers);
3540 priv->msg_buffers = NULL;
3541 }
3542
3543 static ssize_t show_pci(struct device *d, struct device_attribute *attr,
3544 char *buf)
3545 {
3546 struct pci_dev *pci_dev = container_of(d, struct pci_dev, dev);
3547 char *out = buf;
3548 int i, j;
3549 u32 val;
3550
3551 for (i = 0; i < 16; i++) {
3552 out += sprintf(out, "[%08X] ", i * 16);
3553 for (j = 0; j < 16; j += 4) {
3554 pci_read_config_dword(pci_dev, i * 16 + j, &val);
3555 out += sprintf(out, "%08X ", val);
3556 }
3557 out += sprintf(out, "\n");
3558 }
3559
3560 return out - buf;
3561 }
3562
3563 static DEVICE_ATTR(pci, S_IRUGO, show_pci, NULL);
3564
3565 static ssize_t show_cfg(struct device *d, struct device_attribute *attr,
3566 char *buf)
3567 {
3568 struct ipw2100_priv *p = dev_get_drvdata(d);
3569 return sprintf(buf, "0x%08x\n", (int)p->config);
3570 }
3571
3572 static DEVICE_ATTR(cfg, S_IRUGO, show_cfg, NULL);
3573
3574 static ssize_t show_status(struct device *d, struct device_attribute *attr,
3575 char *buf)
3576 {
3577 struct ipw2100_priv *p = dev_get_drvdata(d);
3578 return sprintf(buf, "0x%08x\n", (int)p->status);
3579 }
3580
3581 static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
3582
3583 static ssize_t show_capability(struct device *d, struct device_attribute *attr,
3584 char *buf)
3585 {
3586 struct ipw2100_priv *p = dev_get_drvdata(d);
3587 return sprintf(buf, "0x%08x\n", (int)p->capability);
3588 }
3589
3590 static DEVICE_ATTR(capability, S_IRUGO, show_capability, NULL);
3591
3592 #define IPW2100_REG(x) { IPW_ ##x, #x }
3593 static const struct {
3594 u32 addr;
3595 const char *name;
3596 } hw_data[] = {
3597 IPW2100_REG(REG_GP_CNTRL),
3598 IPW2100_REG(REG_GPIO),
3599 IPW2100_REG(REG_INTA),
3600 IPW2100_REG(REG_INTA_MASK), IPW2100_REG(REG_RESET_REG),};
3601 #define IPW2100_NIC(x, s) { x, #x, s }
3602 static const struct {
3603 u32 addr;
3604 const char *name;
3605 size_t size;
3606 } nic_data[] = {
3607 IPW2100_NIC(IPW2100_CONTROL_REG, 2),
3608 IPW2100_NIC(0x210014, 1), IPW2100_NIC(0x210000, 1),};
3609 #define IPW2100_ORD(x, d) { IPW_ORD_ ##x, #x, d }
3610 static const struct {
3611 u8 index;
3612 const char *name;
3613 const char *desc;
3614 } ord_data[] = {
3615 IPW2100_ORD(STAT_TX_HOST_REQUESTS, "requested Host Tx's (MSDU)"),
3616 IPW2100_ORD(STAT_TX_HOST_COMPLETE,
3617 "successful Host Tx's (MSDU)"),
3618 IPW2100_ORD(STAT_TX_DIR_DATA,
3619 "successful Directed Tx's (MSDU)"),
3620 IPW2100_ORD(STAT_TX_DIR_DATA1,
3621 "successful Directed Tx's (MSDU) @ 1MB"),
3622 IPW2100_ORD(STAT_TX_DIR_DATA2,
3623 "successful Directed Tx's (MSDU) @ 2MB"),
3624 IPW2100_ORD(STAT_TX_DIR_DATA5_5,
3625 "successful Directed Tx's (MSDU) @ 5_5MB"),
3626 IPW2100_ORD(STAT_TX_DIR_DATA11,
3627 "successful Directed Tx's (MSDU) @ 11MB"),
3628 IPW2100_ORD(STAT_TX_NODIR_DATA1,
3629 "successful Non_Directed Tx's (MSDU) @ 1MB"),
3630 IPW2100_ORD(STAT_TX_NODIR_DATA2,
3631 "successful Non_Directed Tx's (MSDU) @ 2MB"),
3632 IPW2100_ORD(STAT_TX_NODIR_DATA5_5,
3633 "successful Non_Directed Tx's (MSDU) @ 5.5MB"),
3634 IPW2100_ORD(STAT_TX_NODIR_DATA11,
3635 "successful Non_Directed Tx's (MSDU) @ 11MB"),
3636 IPW2100_ORD(STAT_NULL_DATA, "successful NULL data Tx's"),
3637 IPW2100_ORD(STAT_TX_RTS, "successful Tx RTS"),
3638 IPW2100_ORD(STAT_TX_CTS, "successful Tx CTS"),
3639 IPW2100_ORD(STAT_TX_ACK, "successful Tx ACK"),
3640 IPW2100_ORD(STAT_TX_ASSN, "successful Association Tx's"),
3641 IPW2100_ORD(STAT_TX_ASSN_RESP,
3642 "successful Association response Tx's"),
3643 IPW2100_ORD(STAT_TX_REASSN,
3644 "successful Reassociation Tx's"),
3645 IPW2100_ORD(STAT_TX_REASSN_RESP,
3646 "successful Reassociation response Tx's"),
3647 IPW2100_ORD(STAT_TX_PROBE,
3648 "probes successfully transmitted"),
3649 IPW2100_ORD(STAT_TX_PROBE_RESP,
3650 "probe responses successfully transmitted"),
3651 IPW2100_ORD(STAT_TX_BEACON, "tx beacon"),
3652 IPW2100_ORD(STAT_TX_ATIM, "Tx ATIM"),
3653 IPW2100_ORD(STAT_TX_DISASSN,
3654 "successful Disassociation TX"),
3655 IPW2100_ORD(STAT_TX_AUTH, "successful Authentication Tx"),
3656 IPW2100_ORD(STAT_TX_DEAUTH,
3657 "successful Deauthentication TX"),
3658 IPW2100_ORD(STAT_TX_TOTAL_BYTES,
3659 "Total successful Tx data bytes"),
3660 IPW2100_ORD(STAT_TX_RETRIES, "Tx retries"),
3661 IPW2100_ORD(STAT_TX_RETRY1, "Tx retries at 1MBPS"),
3662 IPW2100_ORD(STAT_TX_RETRY2, "Tx retries at 2MBPS"),
3663 IPW2100_ORD(STAT_TX_RETRY5_5, "Tx retries at 5.5MBPS"),
3664 IPW2100_ORD(STAT_TX_RETRY11, "Tx retries at 11MBPS"),
3665 IPW2100_ORD(STAT_TX_FAILURES, "Tx Failures"),
3666 IPW2100_ORD(STAT_TX_MAX_TRIES_IN_HOP,
3667 "times max tries in a hop failed"),
3668 IPW2100_ORD(STAT_TX_DISASSN_FAIL,
3669 "times disassociation failed"),
3670 IPW2100_ORD(STAT_TX_ERR_CTS, "missed/bad CTS frames"),
3671 IPW2100_ORD(STAT_TX_ERR_ACK, "tx err due to acks"),
3672 IPW2100_ORD(STAT_RX_HOST, "packets passed to host"),
3673 IPW2100_ORD(STAT_RX_DIR_DATA, "directed packets"),
3674 IPW2100_ORD(STAT_RX_DIR_DATA1, "directed packets at 1MB"),
3675 IPW2100_ORD(STAT_RX_DIR_DATA2, "directed packets at 2MB"),
3676 IPW2100_ORD(STAT_RX_DIR_DATA5_5,
3677 "directed packets at 5.5MB"),
3678 IPW2100_ORD(STAT_RX_DIR_DATA11, "directed packets at 11MB"),
3679 IPW2100_ORD(STAT_RX_NODIR_DATA, "nondirected packets"),
3680 IPW2100_ORD(STAT_RX_NODIR_DATA1,
3681 "nondirected packets at 1MB"),
3682 IPW2100_ORD(STAT_RX_NODIR_DATA2,
3683 "nondirected packets at 2MB"),
3684 IPW2100_ORD(STAT_RX_NODIR_DATA5_5,
3685 "nondirected packets at 5.5MB"),
3686 IPW2100_ORD(STAT_RX_NODIR_DATA11,
3687 "nondirected packets at 11MB"),
3688 IPW2100_ORD(STAT_RX_NULL_DATA, "null data rx's"),
3689 IPW2100_ORD(STAT_RX_RTS, "Rx RTS"), IPW2100_ORD(STAT_RX_CTS,
3690 "Rx CTS"),
3691 IPW2100_ORD(STAT_RX_ACK, "Rx ACK"),
3692 IPW2100_ORD(STAT_RX_CFEND, "Rx CF End"),
3693 IPW2100_ORD(STAT_RX_CFEND_ACK, "Rx CF End + CF Ack"),
3694 IPW2100_ORD(STAT_RX_ASSN, "Association Rx's"),
3695 IPW2100_ORD(STAT_RX_ASSN_RESP, "Association response Rx's"),
3696 IPW2100_ORD(STAT_RX_REASSN, "Reassociation Rx's"),
3697 IPW2100_ORD(STAT_RX_REASSN_RESP,
3698 "Reassociation response Rx's"),
3699 IPW2100_ORD(STAT_RX_PROBE, "probe Rx's"),
3700 IPW2100_ORD(STAT_RX_PROBE_RESP, "probe response Rx's"),
3701 IPW2100_ORD(STAT_RX_BEACON, "Rx beacon"),
3702 IPW2100_ORD(STAT_RX_ATIM, "Rx ATIM"),
3703 IPW2100_ORD(STAT_RX_DISASSN, "disassociation Rx"),
3704 IPW2100_ORD(STAT_RX_AUTH, "authentication Rx"),
3705 IPW2100_ORD(STAT_RX_DEAUTH, "deauthentication Rx"),
3706 IPW2100_ORD(STAT_RX_TOTAL_BYTES,
3707 "Total rx data bytes received"),
3708 IPW2100_ORD(STAT_RX_ERR_CRC, "packets with Rx CRC error"),
3709 IPW2100_ORD(STAT_RX_ERR_CRC1, "Rx CRC errors at 1MB"),
3710 IPW2100_ORD(STAT_RX_ERR_CRC2, "Rx CRC errors at 2MB"),
3711 IPW2100_ORD(STAT_RX_ERR_CRC5_5, "Rx CRC errors at 5.5MB"),
3712 IPW2100_ORD(STAT_RX_ERR_CRC11, "Rx CRC errors at 11MB"),
3713 IPW2100_ORD(STAT_RX_DUPLICATE1,
3714 "duplicate rx packets at 1MB"),
3715 IPW2100_ORD(STAT_RX_DUPLICATE2,
3716 "duplicate rx packets at 2MB"),
3717 IPW2100_ORD(STAT_RX_DUPLICATE5_5,
3718 "duplicate rx packets at 5.5MB"),
3719 IPW2100_ORD(STAT_RX_DUPLICATE11,
3720 "duplicate rx packets at 11MB"),
3721 IPW2100_ORD(STAT_RX_DUPLICATE, "duplicate rx packets"),
3722 IPW2100_ORD(PERS_DB_LOCK, "locking fw permanent db"),
3723 IPW2100_ORD(PERS_DB_SIZE, "size of fw permanent db"),
3724 IPW2100_ORD(PERS_DB_ADDR, "address of fw permanent db"),
3725 IPW2100_ORD(STAT_RX_INVALID_PROTOCOL,
3726 "rx frames with invalid protocol"),
3727 IPW2100_ORD(SYS_BOOT_TIME, "Boot time"),
3728 IPW2100_ORD(STAT_RX_NO_BUFFER,
3729 "rx frames rejected due to no buffer"),
3730 IPW2100_ORD(STAT_RX_MISSING_FRAG,
3731 "rx frames dropped due to missing fragment"),
3732 IPW2100_ORD(STAT_RX_ORPHAN_FRAG,
3733 "rx frames dropped due to non-sequential fragment"),
3734 IPW2100_ORD(STAT_RX_ORPHAN_FRAME,
3735 "rx frames dropped due to unmatched 1st frame"),
3736 IPW2100_ORD(STAT_RX_FRAG_AGEOUT,
3737 "rx frames dropped due to uncompleted frame"),
3738 IPW2100_ORD(STAT_RX_ICV_ERRORS,
3739 "ICV errors during decryption"),
3740 IPW2100_ORD(STAT_PSP_SUSPENSION, "times adapter suspended"),
3741 IPW2100_ORD(STAT_PSP_BCN_TIMEOUT, "beacon timeout"),
3742 IPW2100_ORD(STAT_PSP_POLL_TIMEOUT,
3743 "poll response timeouts"),
3744 IPW2100_ORD(STAT_PSP_NONDIR_TIMEOUT,
3745 "timeouts waiting for last {broad,multi}cast pkt"),
3746 IPW2100_ORD(STAT_PSP_RX_DTIMS, "PSP DTIMs received"),
3747 IPW2100_ORD(STAT_PSP_RX_TIMS, "PSP TIMs received"),
3748 IPW2100_ORD(STAT_PSP_STATION_ID, "PSP Station ID"),
3749 IPW2100_ORD(LAST_ASSN_TIME, "RTC time of last association"),
3750 IPW2100_ORD(STAT_PERCENT_MISSED_BCNS,
3751 "current calculation of % missed beacons"),
3752 IPW2100_ORD(STAT_PERCENT_RETRIES,
3753 "current calculation of % missed tx retries"),
3754 IPW2100_ORD(ASSOCIATED_AP_PTR,
3755 "0 if not associated, else pointer to AP table entry"),
3756 IPW2100_ORD(AVAILABLE_AP_CNT,
3757 "AP's decsribed in the AP table"),
3758 IPW2100_ORD(AP_LIST_PTR, "Ptr to list of available APs"),
3759 IPW2100_ORD(STAT_AP_ASSNS, "associations"),
3760 IPW2100_ORD(STAT_ASSN_FAIL, "association failures"),
3761 IPW2100_ORD(STAT_ASSN_RESP_FAIL,
3762 "failures due to response fail"),
3763 IPW2100_ORD(STAT_FULL_SCANS, "full scans"),
3764 IPW2100_ORD(CARD_DISABLED, "Card Disabled"),
3765 IPW2100_ORD(STAT_ROAM_INHIBIT,
3766 "times roaming was inhibited due to activity"),
3767 IPW2100_ORD(RSSI_AT_ASSN,
3768 "RSSI of associated AP at time of association"),
3769 IPW2100_ORD(STAT_ASSN_CAUSE1,
3770 "reassociation: no probe response or TX on hop"),
3771 IPW2100_ORD(STAT_ASSN_CAUSE2,
3772 "reassociation: poor tx/rx quality"),
3773 IPW2100_ORD(STAT_ASSN_CAUSE3,
3774 "reassociation: tx/rx quality (excessive AP load"),
3775 IPW2100_ORD(STAT_ASSN_CAUSE4,
3776 "reassociation: AP RSSI level"),
3777 IPW2100_ORD(STAT_ASSN_CAUSE5,
3778 "reassociations due to load leveling"),
3779 IPW2100_ORD(STAT_AUTH_FAIL, "times authentication failed"),
3780 IPW2100_ORD(STAT_AUTH_RESP_FAIL,
3781 "times authentication response failed"),
3782 IPW2100_ORD(STATION_TABLE_CNT,
3783 "entries in association table"),
3784 IPW2100_ORD(RSSI_AVG_CURR, "Current avg RSSI"),
3785 IPW2100_ORD(POWER_MGMT_MODE, "Power mode - 0=CAM, 1=PSP"),
3786 IPW2100_ORD(COUNTRY_CODE,
3787 "IEEE country code as recv'd from beacon"),
3788 IPW2100_ORD(COUNTRY_CHANNELS,
3789 "channels suported by country"),
3790 IPW2100_ORD(RESET_CNT, "adapter resets (warm)"),
3791 IPW2100_ORD(BEACON_INTERVAL, "Beacon interval"),
3792 IPW2100_ORD(ANTENNA_DIVERSITY,
3793 "TRUE if antenna diversity is disabled"),
3794 IPW2100_ORD(DTIM_PERIOD, "beacon intervals between DTIMs"),
3795 IPW2100_ORD(OUR_FREQ,
3796 "current radio freq lower digits - channel ID"),
3797 IPW2100_ORD(RTC_TIME, "current RTC time"),
3798 IPW2100_ORD(PORT_TYPE, "operating mode"),
3799 IPW2100_ORD(CURRENT_TX_RATE, "current tx rate"),
3800 IPW2100_ORD(SUPPORTED_RATES, "supported tx rates"),
3801 IPW2100_ORD(ATIM_WINDOW, "current ATIM Window"),
3802 IPW2100_ORD(BASIC_RATES, "basic tx rates"),
3803 IPW2100_ORD(NIC_HIGHEST_RATE, "NIC highest tx rate"),
3804 IPW2100_ORD(AP_HIGHEST_RATE, "AP highest tx rate"),
3805 IPW2100_ORD(CAPABILITIES,
3806 "Management frame capability field"),
3807 IPW2100_ORD(AUTH_TYPE, "Type of authentication"),
3808 IPW2100_ORD(RADIO_TYPE, "Adapter card platform type"),
3809 IPW2100_ORD(RTS_THRESHOLD,
3810 "Min packet length for RTS handshaking"),
3811 IPW2100_ORD(INT_MODE, "International mode"),
3812 IPW2100_ORD(FRAGMENTATION_THRESHOLD,
3813 "protocol frag threshold"),
3814 IPW2100_ORD(EEPROM_SRAM_DB_BLOCK_START_ADDRESS,
3815 "EEPROM offset in SRAM"),
3816 IPW2100_ORD(EEPROM_SRAM_DB_BLOCK_SIZE,
3817 "EEPROM size in SRAM"),
3818 IPW2100_ORD(EEPROM_SKU_CAPABILITY, "EEPROM SKU Capability"),
3819 IPW2100_ORD(EEPROM_IBSS_11B_CHANNELS,
3820 "EEPROM IBSS 11b channel set"),
3821 IPW2100_ORD(MAC_VERSION, "MAC Version"),
3822 IPW2100_ORD(MAC_REVISION, "MAC Revision"),
3823 IPW2100_ORD(RADIO_VERSION, "Radio Version"),
3824 IPW2100_ORD(NIC_MANF_DATE_TIME, "MANF Date/Time STAMP"),
3825 IPW2100_ORD(UCODE_VERSION, "Ucode Version"),};
3826
3827 static ssize_t show_registers(struct device *d, struct device_attribute *attr,
3828 char *buf)
3829 {
3830 int i;
3831 struct ipw2100_priv *priv = dev_get_drvdata(d);
3832 struct net_device *dev = priv->net_dev;
3833 char *out = buf;
3834 u32 val = 0;
3835
3836 out += sprintf(out, "%30s [Address ] : Hex\n", "Register");
3837
3838 for (i = 0; i < ARRAY_SIZE(hw_data); i++) {
3839 read_register(dev, hw_data[i].addr, &val);
3840 out += sprintf(out, "%30s [%08X] : %08X\n",
3841 hw_data[i].name, hw_data[i].addr, val);
3842 }
3843
3844 return out - buf;
3845 }
3846
3847 static DEVICE_ATTR(registers, S_IRUGO, show_registers, NULL);
3848
3849 static ssize_t show_hardware(struct device *d, struct device_attribute *attr,
3850 char *buf)
3851 {
3852 struct ipw2100_priv *priv = dev_get_drvdata(d);
3853 struct net_device *dev = priv->net_dev;
3854 char *out = buf;
3855 int i;
3856
3857 out += sprintf(out, "%30s [Address ] : Hex\n", "NIC entry");
3858
3859 for (i = 0; i < ARRAY_SIZE(nic_data); i++) {
3860 u8 tmp8;
3861 u16 tmp16;
3862 u32 tmp32;
3863
3864 switch (nic_data[i].size) {
3865 case 1:
3866 read_nic_byte(dev, nic_data[i].addr, &tmp8);
3867 out += sprintf(out, "%30s [%08X] : %02X\n",
3868 nic_data[i].name, nic_data[i].addr,
3869 tmp8);
3870 break;
3871 case 2:
3872 read_nic_word(dev, nic_data[i].addr, &tmp16);
3873 out += sprintf(out, "%30s [%08X] : %04X\n",
3874 nic_data[i].name, nic_data[i].addr,
3875 tmp16);
3876 break;
3877 case 4:
3878 read_nic_dword(dev, nic_data[i].addr, &tmp32);
3879 out += sprintf(out, "%30s [%08X] : %08X\n",
3880 nic_data[i].name, nic_data[i].addr,
3881 tmp32);
3882 break;
3883 }
3884 }
3885 return out - buf;
3886 }
3887
3888 static DEVICE_ATTR(hardware, S_IRUGO, show_hardware, NULL);
3889
3890 static ssize_t show_memory(struct device *d, struct device_attribute *attr,
3891 char *buf)
3892 {
3893 struct ipw2100_priv *priv = dev_get_drvdata(d);
3894 struct net_device *dev = priv->net_dev;
3895 static unsigned long loop = 0;
3896 int len = 0;
3897 u32 buffer[4];
3898 int i;
3899 char line[81];
3900
3901 if (loop >= 0x30000)
3902 loop = 0;
3903
3904 /* sysfs provides us PAGE_SIZE buffer */
3905 while (len < PAGE_SIZE - 128 && loop < 0x30000) {
3906
3907 if (priv->snapshot[0])
3908 for (i = 0; i < 4; i++)
3909 buffer[i] =
3910 *(u32 *) SNAPSHOT_ADDR(loop + i * 4);
3911 else
3912 for (i = 0; i < 4; i++)
3913 read_nic_dword(dev, loop + i * 4, &buffer[i]);
3914
3915 if (priv->dump_raw)
3916 len += sprintf(buf + len,
3917 "%c%c%c%c"
3918 "%c%c%c%c"
3919 "%c%c%c%c"
3920 "%c%c%c%c",
3921 ((u8 *) buffer)[0x0],
3922 ((u8 *) buffer)[0x1],
3923 ((u8 *) buffer)[0x2],
3924 ((u8 *) buffer)[0x3],
3925 ((u8 *) buffer)[0x4],
3926 ((u8 *) buffer)[0x5],
3927 ((u8 *) buffer)[0x6],
3928 ((u8 *) buffer)[0x7],
3929 ((u8 *) buffer)[0x8],
3930 ((u8 *) buffer)[0x9],
3931 ((u8 *) buffer)[0xa],
3932 ((u8 *) buffer)[0xb],
3933 ((u8 *) buffer)[0xc],
3934 ((u8 *) buffer)[0xd],
3935 ((u8 *) buffer)[0xe],
3936 ((u8 *) buffer)[0xf]);
3937 else
3938 len += sprintf(buf + len, "%s\n",
3939 snprint_line(line, sizeof(line),
3940 (u8 *) buffer, 16, loop));
3941 loop += 16;
3942 }
3943
3944 return len;
3945 }
3946
3947 static ssize_t store_memory(struct device *d, struct device_attribute *attr,
3948 const char *buf, size_t count)
3949 {
3950 struct ipw2100_priv *priv = dev_get_drvdata(d);
3951 struct net_device *dev = priv->net_dev;
3952 const char *p = buf;
3953
3954 (void)dev; /* kill unused-var warning for debug-only code */
3955
3956 if (count < 1)
3957 return count;
3958
3959 if (p[0] == '1' ||
3960 (count >= 2 && tolower(p[0]) == 'o' && tolower(p[1]) == 'n')) {
3961 IPW_DEBUG_INFO("%s: Setting memory dump to RAW mode.\n",
3962 dev->name);
3963 priv->dump_raw = 1;
3964
3965 } else if (p[0] == '0' || (count >= 2 && tolower(p[0]) == 'o' &&
3966 tolower(p[1]) == 'f')) {
3967 IPW_DEBUG_INFO("%s: Setting memory dump to HEX mode.\n",
3968 dev->name);
3969 priv->dump_raw = 0;
3970
3971 } else if (tolower(p[0]) == 'r') {
3972 IPW_DEBUG_INFO("%s: Resetting firmware snapshot.\n", dev->name);
3973 ipw2100_snapshot_free(priv);
3974
3975 } else
3976 IPW_DEBUG_INFO("%s: Usage: 0|on = HEX, 1|off = RAW, "
3977 "reset = clear memory snapshot\n", dev->name);
3978
3979 return count;
3980 }
3981
3982 static DEVICE_ATTR(memory, S_IWUSR | S_IRUGO, show_memory, store_memory);
3983
3984 static ssize_t show_ordinals(struct device *d, struct device_attribute *attr,
3985 char *buf)
3986 {
3987 struct ipw2100_priv *priv = dev_get_drvdata(d);
3988 u32 val = 0;
3989 int len = 0;
3990 u32 val_len;
3991 static int loop = 0;
3992
3993 if (priv->status & STATUS_RF_KILL_MASK)
3994 return 0;
3995
3996 if (loop >= ARRAY_SIZE(ord_data))
3997 loop = 0;
3998
3999 /* sysfs provides us PAGE_SIZE buffer */
4000 while (len < PAGE_SIZE - 128 && loop < ARRAY_SIZE(ord_data)) {
4001 val_len = sizeof(u32);
4002
4003 if (ipw2100_get_ordinal(priv, ord_data[loop].index, &val,
4004 &val_len))
4005 len += sprintf(buf + len, "[0x%02X] = ERROR %s\n",
4006 ord_data[loop].index,
4007 ord_data[loop].desc);
4008 else
4009 len += sprintf(buf + len, "[0x%02X] = 0x%08X %s\n",
4010 ord_data[loop].index, val,
4011 ord_data[loop].desc);
4012 loop++;
4013 }
4014
4015 return len;
4016 }
4017
4018 static DEVICE_ATTR(ordinals, S_IRUGO, show_ordinals, NULL);
4019
4020 static ssize_t show_stats(struct device *d, struct device_attribute *attr,
4021 char *buf)
4022 {
4023 struct ipw2100_priv *priv = dev_get_drvdata(d);
4024 char *out = buf;
4025
4026 out += sprintf(out, "interrupts: %d {tx: %d, rx: %d, other: %d}\n",
4027 priv->interrupts, priv->tx_interrupts,
4028 priv->rx_interrupts, priv->inta_other);
4029 out += sprintf(out, "firmware resets: %d\n", priv->resets);
4030 out += sprintf(out, "firmware hangs: %d\n", priv->hangs);
4031 #ifdef CONFIG_IPW2100_DEBUG
4032 out += sprintf(out, "packet mismatch image: %s\n",
4033 priv->snapshot[0] ? "YES" : "NO");
4034 #endif
4035
4036 return out - buf;
4037 }
4038
4039 static DEVICE_ATTR(stats, S_IRUGO, show_stats, NULL);
4040
4041 static int ipw2100_switch_mode(struct ipw2100_priv *priv, u32 mode)
4042 {
4043 int err;
4044
4045 if (mode == priv->ieee->iw_mode)
4046 return 0;
4047
4048 err = ipw2100_disable_adapter(priv);
4049 if (err) {
4050 printk(KERN_ERR DRV_NAME ": %s: Could not disable adapter %d\n",
4051 priv->net_dev->name, err);
4052 return err;
4053 }
4054
4055 switch (mode) {
4056 case IW_MODE_INFRA:
4057 priv->net_dev->type = ARPHRD_ETHER;
4058 break;
4059 case IW_MODE_ADHOC:
4060 priv->net_dev->type = ARPHRD_ETHER;
4061 break;
4062 #ifdef CONFIG_IPW2100_MONITOR
4063 case IW_MODE_MONITOR:
4064 priv->last_mode = priv->ieee->iw_mode;
4065 priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP;
4066 break;
4067 #endif /* CONFIG_IPW2100_MONITOR */
4068 }
4069
4070 priv->ieee->iw_mode = mode;
4071
4072 #ifdef CONFIG_PM
4073 /* Indicate ipw2100_download_firmware download firmware
4074 * from disk instead of memory. */
4075 ipw2100_firmware.version = 0;
4076 #endif
4077
4078 printk(KERN_INFO "%s: Reseting on mode change.\n", priv->net_dev->name);
4079 priv->reset_backoff = 0;
4080 schedule_reset(priv);
4081
4082 return 0;
4083 }
4084
4085 static ssize_t show_internals(struct device *d, struct device_attribute *attr,
4086 char *buf)
4087 {
4088 struct ipw2100_priv *priv = dev_get_drvdata(d);
4089 int len = 0;
4090
4091 #define DUMP_VAR(x,y) len += sprintf(buf + len, # x ": %" y "\n", priv-> x)
4092
4093 if (priv->status & STATUS_ASSOCIATED)
4094 len += sprintf(buf + len, "connected: %lu\n",
4095 get_seconds() - priv->connect_start);
4096 else
4097 len += sprintf(buf + len, "not connected\n");
4098
4099 DUMP_VAR(ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx], "p");
4100 DUMP_VAR(status, "08lx");
4101 DUMP_VAR(config, "08lx");
4102 DUMP_VAR(capability, "08lx");
4103
4104 len +=
4105 sprintf(buf + len, "last_rtc: %lu\n",
4106 (unsigned long)priv->last_rtc);
4107
4108 DUMP_VAR(fatal_error, "d");
4109 DUMP_VAR(stop_hang_check, "d");
4110 DUMP_VAR(stop_rf_kill, "d");
4111 DUMP_VAR(messages_sent, "d");
4112
4113 DUMP_VAR(tx_pend_stat.value, "d");
4114 DUMP_VAR(tx_pend_stat.hi, "d");
4115
4116 DUMP_VAR(tx_free_stat.value, "d");
4117 DUMP_VAR(tx_free_stat.lo, "d");
4118
4119 DUMP_VAR(msg_free_stat.value, "d");
4120 DUMP_VAR(msg_free_stat.lo, "d");
4121
4122 DUMP_VAR(msg_pend_stat.value, "d");
4123 DUMP_VAR(msg_pend_stat.hi, "d");
4124
4125 DUMP_VAR(fw_pend_stat.value, "d");
4126 DUMP_VAR(fw_pend_stat.hi, "d");
4127
4128 DUMP_VAR(txq_stat.value, "d");
4129 DUMP_VAR(txq_stat.lo, "d");
4130
4131 DUMP_VAR(ieee->scans, "d");
4132 DUMP_VAR(reset_backoff, "d");
4133
4134 return len;
4135 }
4136
4137 static DEVICE_ATTR(internals, S_IRUGO, show_internals, NULL);
4138
4139 static ssize_t show_bssinfo(struct device *d, struct device_attribute *attr,
4140 char *buf)
4141 {
4142 struct ipw2100_priv *priv = dev_get_drvdata(d);
4143 char essid[IW_ESSID_MAX_SIZE + 1];
4144 u8 bssid[ETH_ALEN];
4145 u32 chan = 0;
4146 char *out = buf;
4147 unsigned int length;
4148 int ret;
4149
4150 if (priv->status & STATUS_RF_KILL_MASK)
4151 return 0;
4152
4153 memset(essid, 0, sizeof(essid));
4154 memset(bssid, 0, sizeof(bssid));
4155
4156 length = IW_ESSID_MAX_SIZE;
4157 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_SSID, essid, &length);
4158 if (ret)
4159 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
4160 __LINE__);
4161
4162 length = sizeof(bssid);
4163 ret = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID,
4164 bssid, &length);
4165 if (ret)
4166 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
4167 __LINE__);
4168
4169 length = sizeof(u32);
4170 ret = ipw2100_get_ordinal(priv, IPW_ORD_OUR_FREQ, &chan, &length);
4171 if (ret)
4172 IPW_DEBUG_INFO("failed querying ordinals at line %d\n",
4173 __LINE__);
4174
4175 out += sprintf(out, "ESSID: %s\n", essid);
4176 out += sprintf(out, "BSSID: %pM\n", bssid);
4177 out += sprintf(out, "Channel: %d\n", chan);
4178
4179 return out - buf;
4180 }
4181
4182 static DEVICE_ATTR(bssinfo, S_IRUGO, show_bssinfo, NULL);
4183
4184 #ifdef CONFIG_IPW2100_DEBUG
4185 static ssize_t show_debug_level(struct device_driver *d, char *buf)
4186 {
4187 return sprintf(buf, "0x%08X\n", ipw2100_debug_level);
4188 }
4189
4190 static ssize_t store_debug_level(struct device_driver *d,
4191 const char *buf, size_t count)
4192 {
4193 char *p = (char *)buf;
4194 u32 val;
4195
4196 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
4197 p++;
4198 if (p[0] == 'x' || p[0] == 'X')
4199 p++;
4200 val = simple_strtoul(p, &p, 16);
4201 } else
4202 val = simple_strtoul(p, &p, 10);
4203 if (p == buf)
4204 IPW_DEBUG_INFO(": %s is not in hex or decimal form.\n", buf);
4205 else
4206 ipw2100_debug_level = val;
4207
4208 return strnlen(buf, count);
4209 }
4210
4211 static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level,
4212 store_debug_level);
4213 #endif /* CONFIG_IPW2100_DEBUG */
4214
4215 static ssize_t show_fatal_error(struct device *d,
4216 struct device_attribute *attr, char *buf)
4217 {
4218 struct ipw2100_priv *priv = dev_get_drvdata(d);
4219 char *out = buf;
4220 int i;
4221
4222 if (priv->fatal_error)
4223 out += sprintf(out, "0x%08X\n", priv->fatal_error);
4224 else
4225 out += sprintf(out, "0\n");
4226
4227 for (i = 1; i <= IPW2100_ERROR_QUEUE; i++) {
4228 if (!priv->fatal_errors[(priv->fatal_index - i) %
4229 IPW2100_ERROR_QUEUE])
4230 continue;
4231
4232 out += sprintf(out, "%d. 0x%08X\n", i,
4233 priv->fatal_errors[(priv->fatal_index - i) %
4234 IPW2100_ERROR_QUEUE]);
4235 }
4236
4237 return out - buf;
4238 }
4239
4240 static ssize_t store_fatal_error(struct device *d,
4241 struct device_attribute *attr, const char *buf,
4242 size_t count)
4243 {
4244 struct ipw2100_priv *priv = dev_get_drvdata(d);
4245 schedule_reset(priv);
4246 return count;
4247 }
4248
4249 static DEVICE_ATTR(fatal_error, S_IWUSR | S_IRUGO, show_fatal_error,
4250 store_fatal_error);
4251
4252 static ssize_t show_scan_age(struct device *d, struct device_attribute *attr,
4253 char *buf)
4254 {
4255 struct ipw2100_priv *priv = dev_get_drvdata(d);
4256 return sprintf(buf, "%d\n", priv->ieee->scan_age);
4257 }
4258
4259 static ssize_t store_scan_age(struct device *d, struct device_attribute *attr,
4260 const char *buf, size_t count)
4261 {
4262 struct ipw2100_priv *priv = dev_get_drvdata(d);
4263 struct net_device *dev = priv->net_dev;
4264 char buffer[] = "00000000";
4265 unsigned long len =
4266 (sizeof(buffer) - 1) > count ? count : sizeof(buffer) - 1;
4267 unsigned long val;
4268 char *p = buffer;
4269
4270 (void)dev; /* kill unused-var warning for debug-only code */
4271
4272 IPW_DEBUG_INFO("enter\n");
4273
4274 strncpy(buffer, buf, len);
4275 buffer[len] = 0;
4276
4277 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
4278 p++;
4279 if (p[0] == 'x' || p[0] == 'X')
4280 p++;
4281 val = simple_strtoul(p, &p, 16);
4282 } else
4283 val = simple_strtoul(p, &p, 10);
4284 if (p == buffer) {
4285 IPW_DEBUG_INFO("%s: user supplied invalid value.\n", dev->name);
4286 } else {
4287 priv->ieee->scan_age = val;
4288 IPW_DEBUG_INFO("set scan_age = %u\n", priv->ieee->scan_age);
4289 }
4290
4291 IPW_DEBUG_INFO("exit\n");
4292 return len;
4293 }
4294
4295 static DEVICE_ATTR(scan_age, S_IWUSR | S_IRUGO, show_scan_age, store_scan_age);
4296
4297 static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr,
4298 char *buf)
4299 {
4300 /* 0 - RF kill not enabled
4301 1 - SW based RF kill active (sysfs)
4302 2 - HW based RF kill active
4303 3 - Both HW and SW baed RF kill active */
4304 struct ipw2100_priv *priv = dev_get_drvdata(d);
4305 int val = ((priv->status & STATUS_RF_KILL_SW) ? 0x1 : 0x0) |
4306 (rf_kill_active(priv) ? 0x2 : 0x0);
4307 return sprintf(buf, "%i\n", val);
4308 }
4309
4310 static int ipw_radio_kill_sw(struct ipw2100_priv *priv, int disable_radio)
4311 {
4312 if ((disable_radio ? 1 : 0) ==
4313 (priv->status & STATUS_RF_KILL_SW ? 1 : 0))
4314 return 0;
4315
4316 IPW_DEBUG_RF_KILL("Manual SW RF Kill set to: RADIO %s\n",
4317 disable_radio ? "OFF" : "ON");
4318
4319 mutex_lock(&priv->action_mutex);
4320
4321 if (disable_radio) {
4322 priv->status |= STATUS_RF_KILL_SW;
4323 ipw2100_down(priv);
4324 } else {
4325 priv->status &= ~STATUS_RF_KILL_SW;
4326 if (rf_kill_active(priv)) {
4327 IPW_DEBUG_RF_KILL("Can not turn radio back on - "
4328 "disabled by HW switch\n");
4329 /* Make sure the RF_KILL check timer is running */
4330 priv->stop_rf_kill = 0;
4331 cancel_delayed_work(&priv->rf_kill);
4332 queue_delayed_work(priv->workqueue, &priv->rf_kill,
4333 round_jiffies_relative(HZ));
4334 } else
4335 schedule_reset(priv);
4336 }
4337
4338 mutex_unlock(&priv->action_mutex);
4339 return 1;
4340 }
4341
4342 static ssize_t store_rf_kill(struct device *d, struct device_attribute *attr,
4343 const char *buf, size_t count)
4344 {
4345 struct ipw2100_priv *priv = dev_get_drvdata(d);
4346 ipw_radio_kill_sw(priv, buf[0] == '1');
4347 return count;
4348 }
4349
4350 static DEVICE_ATTR(rf_kill, S_IWUSR | S_IRUGO, show_rf_kill, store_rf_kill);
4351
4352 static struct attribute *ipw2100_sysfs_entries[] = {
4353 &dev_attr_hardware.attr,
4354 &dev_attr_registers.attr,
4355 &dev_attr_ordinals.attr,
4356 &dev_attr_pci.attr,
4357 &dev_attr_stats.attr,
4358 &dev_attr_internals.attr,
4359 &dev_attr_bssinfo.attr,
4360 &dev_attr_memory.attr,
4361 &dev_attr_scan_age.attr,
4362 &dev_attr_fatal_error.attr,
4363 &dev_attr_rf_kill.attr,
4364 &dev_attr_cfg.attr,
4365 &dev_attr_status.attr,
4366 &dev_attr_capability.attr,
4367 NULL,
4368 };
4369
4370 static struct attribute_group ipw2100_attribute_group = {
4371 .attrs = ipw2100_sysfs_entries,
4372 };
4373
4374 static int status_queue_allocate(struct ipw2100_priv *priv, int entries)
4375 {
4376 struct ipw2100_status_queue *q = &priv->status_queue;
4377
4378 IPW_DEBUG_INFO("enter\n");
4379
4380 q->size = entries * sizeof(struct ipw2100_status);
4381 q->drv =
4382 (struct ipw2100_status *)pci_alloc_consistent(priv->pci_dev,
4383 q->size, &q->nic);
4384 if (!q->drv) {
4385 IPW_DEBUG_WARNING("Can not allocate status queue.\n");
4386 return -ENOMEM;
4387 }
4388
4389 memset(q->drv, 0, q->size);
4390
4391 IPW_DEBUG_INFO("exit\n");
4392
4393 return 0;
4394 }
4395
4396 static void status_queue_free(struct ipw2100_priv *priv)
4397 {
4398 IPW_DEBUG_INFO("enter\n");
4399
4400 if (priv->status_queue.drv) {
4401 pci_free_consistent(priv->pci_dev, priv->status_queue.size,
4402 priv->status_queue.drv,
4403 priv->status_queue.nic);
4404 priv->status_queue.drv = NULL;
4405 }
4406
4407 IPW_DEBUG_INFO("exit\n");
4408 }
4409
4410 static int bd_queue_allocate(struct ipw2100_priv *priv,
4411 struct ipw2100_bd_queue *q, int entries)
4412 {
4413 IPW_DEBUG_INFO("enter\n");
4414
4415 memset(q, 0, sizeof(struct ipw2100_bd_queue));
4416
4417 q->entries = entries;
4418 q->size = entries * sizeof(struct ipw2100_bd);
4419 q->drv = pci_alloc_consistent(priv->pci_dev, q->size, &q->nic);
4420 if (!q->drv) {
4421 IPW_DEBUG_INFO
4422 ("can't allocate shared memory for buffer descriptors\n");
4423 return -ENOMEM;
4424 }
4425 memset(q->drv, 0, q->size);
4426
4427 IPW_DEBUG_INFO("exit\n");
4428
4429 return 0;
4430 }
4431
4432 static void bd_queue_free(struct ipw2100_priv *priv, struct ipw2100_bd_queue *q)
4433 {
4434 IPW_DEBUG_INFO("enter\n");
4435
4436 if (!q)
4437 return;
4438
4439 if (q->drv) {
4440 pci_free_consistent(priv->pci_dev, q->size, q->drv, q->nic);
4441 q->drv = NULL;
4442 }
4443
4444 IPW_DEBUG_INFO("exit\n");
4445 }
4446
4447 static void bd_queue_initialize(struct ipw2100_priv *priv,
4448 struct ipw2100_bd_queue *q, u32 base, u32 size,
4449 u32 r, u32 w)
4450 {
4451 IPW_DEBUG_INFO("enter\n");
4452
4453 IPW_DEBUG_INFO("initializing bd queue at virt=%p, phys=%08x\n", q->drv,
4454 (u32) q->nic);
4455
4456 write_register(priv->net_dev, base, q->nic);
4457 write_register(priv->net_dev, size, q->entries);
4458 write_register(priv->net_dev, r, q->oldest);
4459 write_register(priv->net_dev, w, q->next);
4460
4461 IPW_DEBUG_INFO("exit\n");
4462 }
4463
4464 static void ipw2100_kill_workqueue(struct ipw2100_priv *priv)
4465 {
4466 if (priv->workqueue) {
4467 priv->stop_rf_kill = 1;
4468 priv->stop_hang_check = 1;
4469 cancel_delayed_work(&priv->reset_work);
4470 cancel_delayed_work(&priv->security_work);
4471 cancel_delayed_work(&priv->wx_event_work);
4472 cancel_delayed_work(&priv->hang_check);
4473 cancel_delayed_work(&priv->rf_kill);
4474 cancel_delayed_work(&priv->scan_event_later);
4475 destroy_workqueue(priv->workqueue);
4476 priv->workqueue = NULL;
4477 }
4478 }
4479
4480 static int ipw2100_tx_allocate(struct ipw2100_priv *priv)
4481 {
4482 int i, j, err = -EINVAL;
4483 void *v;
4484 dma_addr_t p;
4485
4486 IPW_DEBUG_INFO("enter\n");
4487
4488 err = bd_queue_allocate(priv, &priv->tx_queue, TX_QUEUE_LENGTH);
4489 if (err) {
4490 IPW_DEBUG_ERROR("%s: failed bd_queue_allocate\n",
4491 priv->net_dev->name);
4492 return err;
4493 }
4494
4495 priv->tx_buffers =
4496 kmalloc(TX_PENDED_QUEUE_LENGTH * sizeof(struct ipw2100_tx_packet),
4497 GFP_ATOMIC);
4498 if (!priv->tx_buffers) {
4499 printk(KERN_ERR DRV_NAME
4500 ": %s: alloc failed form tx buffers.\n",
4501 priv->net_dev->name);
4502 bd_queue_free(priv, &priv->tx_queue);
4503 return -ENOMEM;
4504 }
4505
4506 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) {
4507 v = pci_alloc_consistent(priv->pci_dev,
4508 sizeof(struct ipw2100_data_header),
4509 &p);
4510 if (!v) {
4511 printk(KERN_ERR DRV_NAME
4512 ": %s: PCI alloc failed for tx " "buffers.\n",
4513 priv->net_dev->name);
4514 err = -ENOMEM;
4515 break;
4516 }
4517
4518 priv->tx_buffers[i].type = DATA;
4519 priv->tx_buffers[i].info.d_struct.data =
4520 (struct ipw2100_data_header *)v;
4521 priv->tx_buffers[i].info.d_struct.data_phys = p;
4522 priv->tx_buffers[i].info.d_struct.txb = NULL;
4523 }
4524
4525 if (i == TX_PENDED_QUEUE_LENGTH)
4526 return 0;
4527
4528 for (j = 0; j < i; j++) {
4529 pci_free_consistent(priv->pci_dev,
4530 sizeof(struct ipw2100_data_header),
4531 priv->tx_buffers[j].info.d_struct.data,
4532 priv->tx_buffers[j].info.d_struct.
4533 data_phys);
4534 }
4535
4536 kfree(priv->tx_buffers);
4537 priv->tx_buffers = NULL;
4538
4539 return err;
4540 }
4541
4542 static void ipw2100_tx_initialize(struct ipw2100_priv *priv)
4543 {
4544 int i;
4545
4546 IPW_DEBUG_INFO("enter\n");
4547
4548 /*
4549 * reinitialize packet info lists
4550 */
4551 INIT_LIST_HEAD(&priv->fw_pend_list);
4552 INIT_STAT(&priv->fw_pend_stat);
4553
4554 /*
4555 * reinitialize lists
4556 */
4557 INIT_LIST_HEAD(&priv->tx_pend_list);
4558 INIT_LIST_HEAD(&priv->tx_free_list);
4559 INIT_STAT(&priv->tx_pend_stat);
4560 INIT_STAT(&priv->tx_free_stat);
4561
4562 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) {
4563 /* We simply drop any SKBs that have been queued for
4564 * transmit */
4565 if (priv->tx_buffers[i].info.d_struct.txb) {
4566 libipw_txb_free(priv->tx_buffers[i].info.d_struct.
4567 txb);
4568 priv->tx_buffers[i].info.d_struct.txb = NULL;
4569 }
4570
4571 list_add_tail(&priv->tx_buffers[i].list, &priv->tx_free_list);
4572 }
4573
4574 SET_STAT(&priv->tx_free_stat, i);
4575
4576 priv->tx_queue.oldest = 0;
4577 priv->tx_queue.available = priv->tx_queue.entries;
4578 priv->tx_queue.next = 0;
4579 INIT_STAT(&priv->txq_stat);
4580 SET_STAT(&priv->txq_stat, priv->tx_queue.available);
4581
4582 bd_queue_initialize(priv, &priv->tx_queue,
4583 IPW_MEM_HOST_SHARED_TX_QUEUE_BD_BASE,
4584 IPW_MEM_HOST_SHARED_TX_QUEUE_BD_SIZE,
4585 IPW_MEM_HOST_SHARED_TX_QUEUE_READ_INDEX,
4586 IPW_MEM_HOST_SHARED_TX_QUEUE_WRITE_INDEX);
4587
4588 IPW_DEBUG_INFO("exit\n");
4589
4590 }
4591
4592 static void ipw2100_tx_free(struct ipw2100_priv *priv)
4593 {
4594 int i;
4595
4596 IPW_DEBUG_INFO("enter\n");
4597
4598 bd_queue_free(priv, &priv->tx_queue);
4599
4600 if (!priv->tx_buffers)
4601 return;
4602
4603 for (i = 0; i < TX_PENDED_QUEUE_LENGTH; i++) {
4604 if (priv->tx_buffers[i].info.d_struct.txb) {
4605 libipw_txb_free(priv->tx_buffers[i].info.d_struct.
4606 txb);
4607 priv->tx_buffers[i].info.d_struct.txb = NULL;
4608 }
4609 if (priv->tx_buffers[i].info.d_struct.data)
4610 pci_free_consistent(priv->pci_dev,
4611 sizeof(struct ipw2100_data_header),
4612 priv->tx_buffers[i].info.d_struct.
4613 data,
4614 priv->tx_buffers[i].info.d_struct.
4615 data_phys);
4616 }
4617
4618 kfree(priv->tx_buffers);
4619 priv->tx_buffers = NULL;
4620
4621 IPW_DEBUG_INFO("exit\n");
4622 }
4623
4624 static int ipw2100_rx_allocate(struct ipw2100_priv *priv)
4625 {
4626 int i, j, err = -EINVAL;
4627
4628 IPW_DEBUG_INFO("enter\n");
4629
4630 err = bd_queue_allocate(priv, &priv->rx_queue, RX_QUEUE_LENGTH);
4631 if (err) {
4632 IPW_DEBUG_INFO("failed bd_queue_allocate\n");
4633 return err;
4634 }
4635
4636 err = status_queue_allocate(priv, RX_QUEUE_LENGTH);
4637 if (err) {
4638 IPW_DEBUG_INFO("failed status_queue_allocate\n");
4639 bd_queue_free(priv, &priv->rx_queue);
4640 return err;
4641 }
4642
4643 /*
4644 * allocate packets
4645 */
4646 priv->rx_buffers = kmalloc(RX_QUEUE_LENGTH *
4647 sizeof(struct ipw2100_rx_packet),
4648 GFP_KERNEL);
4649 if (!priv->rx_buffers) {
4650 IPW_DEBUG_INFO("can't allocate rx packet buffer table\n");
4651
4652 bd_queue_free(priv, &priv->rx_queue);
4653
4654 status_queue_free(priv);
4655
4656 return -ENOMEM;
4657 }
4658
4659 for (i = 0; i < RX_QUEUE_LENGTH; i++) {
4660 struct ipw2100_rx_packet *packet = &priv->rx_buffers[i];
4661
4662 err = ipw2100_alloc_skb(priv, packet);
4663 if (unlikely(err)) {
4664 err = -ENOMEM;
4665 break;
4666 }
4667
4668 /* The BD holds the cache aligned address */
4669 priv->rx_queue.drv[i].host_addr = packet->dma_addr;
4670 priv->rx_queue.drv[i].buf_length = IPW_RX_NIC_BUFFER_LENGTH;
4671 priv->status_queue.drv[i].status_fields = 0;
4672 }
4673
4674 if (i == RX_QUEUE_LENGTH)
4675 return 0;
4676
4677 for (j = 0; j < i; j++) {
4678 pci_unmap_single(priv->pci_dev, priv->rx_buffers[j].dma_addr,
4679 sizeof(struct ipw2100_rx_packet),
4680 PCI_DMA_FROMDEVICE);
4681 dev_kfree_skb(priv->rx_buffers[j].skb);
4682 }
4683
4684 kfree(priv->rx_buffers);
4685 priv->rx_buffers = NULL;
4686
4687 bd_queue_free(priv, &priv->rx_queue);
4688
4689 status_queue_free(priv);
4690
4691 return err;
4692 }
4693
4694 static void ipw2100_rx_initialize(struct ipw2100_priv *priv)
4695 {
4696 IPW_DEBUG_INFO("enter\n");
4697
4698 priv->rx_queue.oldest = 0;
4699 priv->rx_queue.available = priv->rx_queue.entries - 1;
4700 priv->rx_queue.next = priv->rx_queue.entries - 1;
4701
4702 INIT_STAT(&priv->rxq_stat);
4703 SET_STAT(&priv->rxq_stat, priv->rx_queue.available);
4704
4705 bd_queue_initialize(priv, &priv->rx_queue,
4706 IPW_MEM_HOST_SHARED_RX_BD_BASE,
4707 IPW_MEM_HOST_SHARED_RX_BD_SIZE,
4708 IPW_MEM_HOST_SHARED_RX_READ_INDEX,
4709 IPW_MEM_HOST_SHARED_RX_WRITE_INDEX);
4710
4711 /* set up the status queue */
4712 write_register(priv->net_dev, IPW_MEM_HOST_SHARED_RX_STATUS_BASE,
4713 priv->status_queue.nic);
4714
4715 IPW_DEBUG_INFO("exit\n");
4716 }
4717
4718 static void ipw2100_rx_free(struct ipw2100_priv *priv)
4719 {
4720 int i;
4721
4722 IPW_DEBUG_INFO("enter\n");
4723
4724 bd_queue_free(priv, &priv->rx_queue);
4725 status_queue_free(priv);
4726
4727 if (!priv->rx_buffers)
4728 return;
4729
4730 for (i = 0; i < RX_QUEUE_LENGTH; i++) {
4731 if (priv->rx_buffers[i].rxp) {
4732 pci_unmap_single(priv->pci_dev,
4733 priv->rx_buffers[i].dma_addr,
4734 sizeof(struct ipw2100_rx),
4735 PCI_DMA_FROMDEVICE);
4736 dev_kfree_skb(priv->rx_buffers[i].skb);
4737 }
4738 }
4739
4740 kfree(priv->rx_buffers);
4741 priv->rx_buffers = NULL;
4742
4743 IPW_DEBUG_INFO("exit\n");
4744 }
4745
4746 static int ipw2100_read_mac_address(struct ipw2100_priv *priv)
4747 {
4748 u32 length = ETH_ALEN;
4749 u8 addr[ETH_ALEN];
4750
4751 int err;
4752
4753 err = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ADAPTER_MAC, addr, &length);
4754 if (err) {
4755 IPW_DEBUG_INFO("MAC address read failed\n");
4756 return -EIO;
4757 }
4758
4759 memcpy(priv->net_dev->dev_addr, addr, ETH_ALEN);
4760 IPW_DEBUG_INFO("card MAC is %pM\n", priv->net_dev->dev_addr);
4761
4762 return 0;
4763 }
4764
4765 /********************************************************************
4766 *
4767 * Firmware Commands
4768 *
4769 ********************************************************************/
4770
4771 static int ipw2100_set_mac_address(struct ipw2100_priv *priv, int batch_mode)
4772 {
4773 struct host_command cmd = {
4774 .host_command = ADAPTER_ADDRESS,
4775 .host_command_sequence = 0,
4776 .host_command_length = ETH_ALEN
4777 };
4778 int err;
4779
4780 IPW_DEBUG_HC("SET_MAC_ADDRESS\n");
4781
4782 IPW_DEBUG_INFO("enter\n");
4783
4784 if (priv->config & CFG_CUSTOM_MAC) {
4785 memcpy(cmd.host_command_parameters, priv->mac_addr, ETH_ALEN);
4786 memcpy(priv->net_dev->dev_addr, priv->mac_addr, ETH_ALEN);
4787 } else
4788 memcpy(cmd.host_command_parameters, priv->net_dev->dev_addr,
4789 ETH_ALEN);
4790
4791 err = ipw2100_hw_send_command(priv, &cmd);
4792
4793 IPW_DEBUG_INFO("exit\n");
4794 return err;
4795 }
4796
4797 static int ipw2100_set_port_type(struct ipw2100_priv *priv, u32 port_type,
4798 int batch_mode)
4799 {
4800 struct host_command cmd = {
4801 .host_command = PORT_TYPE,
4802 .host_command_sequence = 0,
4803 .host_command_length = sizeof(u32)
4804 };
4805 int err;
4806
4807 switch (port_type) {
4808 case IW_MODE_INFRA:
4809 cmd.host_command_parameters[0] = IPW_BSS;
4810 break;
4811 case IW_MODE_ADHOC:
4812 cmd.host_command_parameters[0] = IPW_IBSS;
4813 break;
4814 }
4815
4816 IPW_DEBUG_HC("PORT_TYPE: %s\n",
4817 port_type == IPW_IBSS ? "Ad-Hoc" : "Managed");
4818
4819 if (!batch_mode) {
4820 err = ipw2100_disable_adapter(priv);
4821 if (err) {
4822 printk(KERN_ERR DRV_NAME
4823 ": %s: Could not disable adapter %d\n",
4824 priv->net_dev->name, err);
4825 return err;
4826 }
4827 }
4828
4829 /* send cmd to firmware */
4830 err = ipw2100_hw_send_command(priv, &cmd);
4831
4832 if (!batch_mode)
4833 ipw2100_enable_adapter(priv);
4834
4835 return err;
4836 }
4837
4838 static int ipw2100_set_channel(struct ipw2100_priv *priv, u32 channel,
4839 int batch_mode)
4840 {
4841 struct host_command cmd = {
4842 .host_command = CHANNEL,
4843 .host_command_sequence = 0,
4844 .host_command_length = sizeof(u32)
4845 };
4846 int err;
4847
4848 cmd.host_command_parameters[0] = channel;
4849
4850 IPW_DEBUG_HC("CHANNEL: %d\n", channel);
4851
4852 /* If BSS then we don't support channel selection */
4853 if (priv->ieee->iw_mode == IW_MODE_INFRA)
4854 return 0;
4855
4856 if ((channel != 0) &&
4857 ((channel < REG_MIN_CHANNEL) || (channel > REG_MAX_CHANNEL)))
4858 return -EINVAL;
4859
4860 if (!batch_mode) {
4861 err = ipw2100_disable_adapter(priv);
4862 if (err)
4863 return err;
4864 }
4865
4866 err = ipw2100_hw_send_command(priv, &cmd);
4867 if (err) {
4868 IPW_DEBUG_INFO("Failed to set channel to %d", channel);
4869 return err;
4870 }
4871
4872 if (channel)
4873 priv->config |= CFG_STATIC_CHANNEL;
4874 else
4875 priv->config &= ~CFG_STATIC_CHANNEL;
4876
4877 priv->channel = channel;
4878
4879 if (!batch_mode) {
4880 err = ipw2100_enable_adapter(priv);
4881 if (err)
4882 return err;
4883 }
4884
4885 return 0;
4886 }
4887
4888 static int ipw2100_system_config(struct ipw2100_priv *priv, int batch_mode)
4889 {
4890 struct host_command cmd = {
4891 .host_command = SYSTEM_CONFIG,
4892 .host_command_sequence = 0,
4893 .host_command_length = 12,
4894 };
4895 u32 ibss_mask, len = sizeof(u32);
4896 int err;
4897
4898 /* Set system configuration */
4899
4900 if (!batch_mode) {
4901 err = ipw2100_disable_adapter(priv);
4902 if (err)
4903 return err;
4904 }
4905
4906 if (priv->ieee->iw_mode == IW_MODE_ADHOC)
4907 cmd.host_command_parameters[0] |= IPW_CFG_IBSS_AUTO_START;
4908
4909 cmd.host_command_parameters[0] |= IPW_CFG_IBSS_MASK |
4910 IPW_CFG_BSS_MASK | IPW_CFG_802_1x_ENABLE;
4911
4912 if (!(priv->config & CFG_LONG_PREAMBLE))
4913 cmd.host_command_parameters[0] |= IPW_CFG_PREAMBLE_AUTO;
4914
4915 err = ipw2100_get_ordinal(priv,
4916 IPW_ORD_EEPROM_IBSS_11B_CHANNELS,
4917 &ibss_mask, &len);
4918 if (err)
4919 ibss_mask = IPW_IBSS_11B_DEFAULT_MASK;
4920
4921 cmd.host_command_parameters[1] = REG_CHANNEL_MASK;
4922 cmd.host_command_parameters[2] = REG_CHANNEL_MASK & ibss_mask;
4923
4924 /* 11b only */
4925 /*cmd.host_command_parameters[0] |= DIVERSITY_ANTENNA_A; */
4926
4927 err = ipw2100_hw_send_command(priv, &cmd);
4928 if (err)
4929 return err;
4930
4931 /* If IPv6 is configured in the kernel then we don't want to filter out all
4932 * of the multicast packets as IPv6 needs some. */
4933 #if !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE)
4934 cmd.host_command = ADD_MULTICAST;
4935 cmd.host_command_sequence = 0;
4936 cmd.host_command_length = 0;
4937
4938 ipw2100_hw_send_command(priv, &cmd);
4939 #endif
4940 if (!batch_mode) {
4941 err = ipw2100_enable_adapter(priv);
4942 if (err)
4943 return err;
4944 }
4945
4946 return 0;
4947 }
4948
4949 static int ipw2100_set_tx_rates(struct ipw2100_priv *priv, u32 rate,
4950 int batch_mode)
4951 {
4952 struct host_command cmd = {
4953 .host_command = BASIC_TX_RATES,
4954 .host_command_sequence = 0,
4955 .host_command_length = 4
4956 };
4957 int err;
4958
4959 cmd.host_command_parameters[0] = rate & TX_RATE_MASK;
4960
4961 if (!batch_mode) {
4962 err = ipw2100_disable_adapter(priv);
4963 if (err)
4964 return err;
4965 }
4966
4967 /* Set BASIC TX Rate first */
4968 ipw2100_hw_send_command(priv, &cmd);
4969
4970 /* Set TX Rate */
4971 cmd.host_command = TX_RATES;
4972 ipw2100_hw_send_command(priv, &cmd);
4973
4974 /* Set MSDU TX Rate */
4975 cmd.host_command = MSDU_TX_RATES;
4976 ipw2100_hw_send_command(priv, &cmd);
4977
4978 if (!batch_mode) {
4979 err = ipw2100_enable_adapter(priv);
4980 if (err)
4981 return err;
4982 }
4983
4984 priv->tx_rates = rate;
4985
4986 return 0;
4987 }
4988
4989 static int ipw2100_set_power_mode(struct ipw2100_priv *priv, int power_level)
4990 {
4991 struct host_command cmd = {
4992 .host_command = POWER_MODE,
4993 .host_command_sequence = 0,
4994 .host_command_length = 4
4995 };
4996 int err;
4997
4998 cmd.host_command_parameters[0] = power_level;
4999
5000 err = ipw2100_hw_send_command(priv, &cmd);
5001 if (err)
5002 return err;
5003
5004 if (power_level == IPW_POWER_MODE_CAM)
5005 priv->power_mode = IPW_POWER_LEVEL(priv->power_mode);
5006 else
5007 priv->power_mode = IPW_POWER_ENABLED | power_level;
5008
5009 #ifdef IPW2100_TX_POWER
5010 if (priv->port_type == IBSS && priv->adhoc_power != DFTL_IBSS_TX_POWER) {
5011 /* Set beacon interval */
5012 cmd.host_command = TX_POWER_INDEX;
5013 cmd.host_command_parameters[0] = (u32) priv->adhoc_power;
5014
5015 err = ipw2100_hw_send_command(priv, &cmd);
5016 if (err)
5017 return err;
5018 }
5019 #endif
5020
5021 return 0;
5022 }
5023
5024 static int ipw2100_set_rts_threshold(struct ipw2100_priv *priv, u32 threshold)
5025 {
5026 struct host_command cmd = {
5027 .host_command = RTS_THRESHOLD,
5028 .host_command_sequence = 0,
5029 .host_command_length = 4
5030 };
5031 int err;
5032
5033 if (threshold & RTS_DISABLED)
5034 cmd.host_command_parameters[0] = MAX_RTS_THRESHOLD;
5035 else
5036 cmd.host_command_parameters[0] = threshold & ~RTS_DISABLED;
5037
5038 err = ipw2100_hw_send_command(priv, &cmd);
5039 if (err)
5040 return err;
5041
5042 priv->rts_threshold = threshold;
5043
5044 return 0;
5045 }
5046
5047 #if 0
5048 int ipw2100_set_fragmentation_threshold(struct ipw2100_priv *priv,
5049 u32 threshold, int batch_mode)
5050 {
5051 struct host_command cmd = {
5052 .host_command = FRAG_THRESHOLD,
5053 .host_command_sequence = 0,
5054 .host_command_length = 4,
5055 .host_command_parameters[0] = 0,
5056 };
5057 int err;
5058
5059 if (!batch_mode) {
5060 err = ipw2100_disable_adapter(priv);
5061 if (err)
5062 return err;
5063 }
5064
5065 if (threshold == 0)
5066 threshold = DEFAULT_FRAG_THRESHOLD;
5067 else {
5068 threshold = max(threshold, MIN_FRAG_THRESHOLD);
5069 threshold = min(threshold, MAX_FRAG_THRESHOLD);
5070 }
5071
5072 cmd.host_command_parameters[0] = threshold;
5073
5074 IPW_DEBUG_HC("FRAG_THRESHOLD: %u\n", threshold);
5075
5076 err = ipw2100_hw_send_command(priv, &cmd);
5077
5078 if (!batch_mode)
5079 ipw2100_enable_adapter(priv);
5080
5081 if (!err)
5082 priv->frag_threshold = threshold;
5083
5084 return err;
5085 }
5086 #endif
5087
5088 static int ipw2100_set_short_retry(struct ipw2100_priv *priv, u32 retry)
5089 {
5090 struct host_command cmd = {
5091 .host_command = SHORT_RETRY_LIMIT,
5092 .host_command_sequence = 0,
5093 .host_command_length = 4
5094 };
5095 int err;
5096
5097 cmd.host_command_parameters[0] = retry;
5098
5099 err = ipw2100_hw_send_command(priv, &cmd);
5100 if (err)
5101 return err;
5102
5103 priv->short_retry_limit = retry;
5104
5105 return 0;
5106 }
5107
5108 static int ipw2100_set_long_retry(struct ipw2100_priv *priv, u32 retry)
5109 {
5110 struct host_command cmd = {
5111 .host_command = LONG_RETRY_LIMIT,
5112 .host_command_sequence = 0,
5113 .host_command_length = 4
5114 };
5115 int err;
5116
5117 cmd.host_command_parameters[0] = retry;
5118
5119 err = ipw2100_hw_send_command(priv, &cmd);
5120 if (err)
5121 return err;
5122
5123 priv->long_retry_limit = retry;
5124
5125 return 0;
5126 }
5127
5128 static int ipw2100_set_mandatory_bssid(struct ipw2100_priv *priv, u8 * bssid,
5129 int batch_mode)
5130 {
5131 struct host_command cmd = {
5132 .host_command = MANDATORY_BSSID,
5133 .host_command_sequence = 0,
5134 .host_command_length = (bssid == NULL) ? 0 : ETH_ALEN
5135 };
5136 int err;
5137
5138 #ifdef CONFIG_IPW2100_DEBUG
5139 if (bssid != NULL)
5140 IPW_DEBUG_HC("MANDATORY_BSSID: %pM\n", bssid);
5141 else
5142 IPW_DEBUG_HC("MANDATORY_BSSID: <clear>\n");
5143 #endif
5144 /* if BSSID is empty then we disable mandatory bssid mode */
5145 if (bssid != NULL)
5146 memcpy(cmd.host_command_parameters, bssid, ETH_ALEN);
5147
5148 if (!batch_mode) {
5149 err = ipw2100_disable_adapter(priv);
5150 if (err)
5151 return err;
5152 }
5153
5154 err = ipw2100_hw_send_command(priv, &cmd);
5155
5156 if (!batch_mode)
5157 ipw2100_enable_adapter(priv);
5158
5159 return err;
5160 }
5161
5162 static int ipw2100_disassociate_bssid(struct ipw2100_priv *priv)
5163 {
5164 struct host_command cmd = {
5165 .host_command = DISASSOCIATION_BSSID,
5166 .host_command_sequence = 0,
5167 .host_command_length = ETH_ALEN
5168 };
5169 int err;
5170 int len;
5171
5172 IPW_DEBUG_HC("DISASSOCIATION_BSSID\n");
5173
5174 len = ETH_ALEN;
5175 /* The Firmware currently ignores the BSSID and just disassociates from
5176 * the currently associated AP -- but in the off chance that a future
5177 * firmware does use the BSSID provided here, we go ahead and try and
5178 * set it to the currently associated AP's BSSID */
5179 memcpy(cmd.host_command_parameters, priv->bssid, ETH_ALEN);
5180
5181 err = ipw2100_hw_send_command(priv, &cmd);
5182
5183 return err;
5184 }
5185
5186 static int ipw2100_set_wpa_ie(struct ipw2100_priv *,
5187 struct ipw2100_wpa_assoc_frame *, int)
5188 __attribute__ ((unused));
5189
5190 static int ipw2100_set_wpa_ie(struct ipw2100_priv *priv,
5191 struct ipw2100_wpa_assoc_frame *wpa_frame,
5192 int batch_mode)
5193 {
5194 struct host_command cmd = {
5195 .host_command = SET_WPA_IE,
5196 .host_command_sequence = 0,
5197 .host_command_length = sizeof(struct ipw2100_wpa_assoc_frame),
5198 };
5199 int err;
5200
5201 IPW_DEBUG_HC("SET_WPA_IE\n");
5202
5203 if (!batch_mode) {
5204 err = ipw2100_disable_adapter(priv);
5205 if (err)
5206 return err;
5207 }
5208
5209 memcpy(cmd.host_command_parameters, wpa_frame,
5210 sizeof(struct ipw2100_wpa_assoc_frame));
5211
5212 err = ipw2100_hw_send_command(priv, &cmd);
5213
5214 if (!batch_mode) {
5215 if (ipw2100_enable_adapter(priv))
5216 err = -EIO;
5217 }
5218
5219 return err;
5220 }
5221
5222 struct security_info_params {
5223 u32 allowed_ciphers;
5224 u16 version;
5225 u8 auth_mode;
5226 u8 replay_counters_number;
5227 u8 unicast_using_group;
5228 } __packed;
5229
5230 static int ipw2100_set_security_information(struct ipw2100_priv *priv,
5231 int auth_mode,
5232 int security_level,
5233 int unicast_using_group,
5234 int batch_mode)
5235 {
5236 struct host_command cmd = {
5237 .host_command = SET_SECURITY_INFORMATION,
5238 .host_command_sequence = 0,
5239 .host_command_length = sizeof(struct security_info_params)
5240 };
5241 struct security_info_params *security =
5242 (struct security_info_params *)&cmd.host_command_parameters;
5243 int err;
5244 memset(security, 0, sizeof(*security));
5245
5246 /* If shared key AP authentication is turned on, then we need to
5247 * configure the firmware to try and use it.
5248 *
5249 * Actual data encryption/decryption is handled by the host. */
5250 security->auth_mode = auth_mode;
5251 security->unicast_using_group = unicast_using_group;
5252
5253 switch (security_level) {
5254 default:
5255 case SEC_LEVEL_0:
5256 security->allowed_ciphers = IPW_NONE_CIPHER;
5257 break;
5258 case SEC_LEVEL_1:
5259 security->allowed_ciphers = IPW_WEP40_CIPHER |
5260 IPW_WEP104_CIPHER;
5261 break;
5262 case SEC_LEVEL_2:
5263 security->allowed_ciphers = IPW_WEP40_CIPHER |
5264 IPW_WEP104_CIPHER | IPW_TKIP_CIPHER;
5265 break;
5266 case SEC_LEVEL_2_CKIP:
5267 security->allowed_ciphers = IPW_WEP40_CIPHER |
5268 IPW_WEP104_CIPHER | IPW_CKIP_CIPHER;
5269 break;
5270 case SEC_LEVEL_3:
5271 security->allowed_ciphers = IPW_WEP40_CIPHER |
5272 IPW_WEP104_CIPHER | IPW_TKIP_CIPHER | IPW_CCMP_CIPHER;
5273 break;
5274 }
5275
5276 IPW_DEBUG_HC
5277 ("SET_SECURITY_INFORMATION: auth:%d cipher:0x%02X (level %d)\n",
5278 security->auth_mode, security->allowed_ciphers, security_level);
5279
5280 security->replay_counters_number = 0;
5281
5282 if (!batch_mode) {
5283 err = ipw2100_disable_adapter(priv);
5284 if (err)
5285 return err;
5286 }
5287
5288 err = ipw2100_hw_send_command(priv, &cmd);
5289
5290 if (!batch_mode)
5291 ipw2100_enable_adapter(priv);
5292
5293 return err;
5294 }
5295
5296 static int ipw2100_set_tx_power(struct ipw2100_priv *priv, u32 tx_power)
5297 {
5298 struct host_command cmd = {
5299 .host_command = TX_POWER_INDEX,
5300 .host_command_sequence = 0,
5301 .host_command_length = 4
5302 };
5303 int err = 0;
5304 u32 tmp = tx_power;
5305
5306 if (tx_power != IPW_TX_POWER_DEFAULT)
5307 tmp = (tx_power - IPW_TX_POWER_MIN_DBM) * 16 /
5308 (IPW_TX_POWER_MAX_DBM - IPW_TX_POWER_MIN_DBM);
5309
5310 cmd.host_command_parameters[0] = tmp;
5311
5312 if (priv->ieee->iw_mode == IW_MODE_ADHOC)
5313 err = ipw2100_hw_send_command(priv, &cmd);
5314 if (!err)
5315 priv->tx_power = tx_power;
5316
5317 return 0;
5318 }
5319
5320 static int ipw2100_set_ibss_beacon_interval(struct ipw2100_priv *priv,
5321 u32 interval, int batch_mode)
5322 {
5323 struct host_command cmd = {
5324 .host_command = BEACON_INTERVAL,
5325 .host_command_sequence = 0,
5326 .host_command_length = 4
5327 };
5328 int err;
5329
5330 cmd.host_command_parameters[0] = interval;
5331
5332 IPW_DEBUG_INFO("enter\n");
5333
5334 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
5335 if (!batch_mode) {
5336 err = ipw2100_disable_adapter(priv);
5337 if (err)
5338 return err;
5339 }
5340
5341 ipw2100_hw_send_command(priv, &cmd);
5342
5343 if (!batch_mode) {
5344 err = ipw2100_enable_adapter(priv);
5345 if (err)
5346 return err;
5347 }
5348 }
5349
5350 IPW_DEBUG_INFO("exit\n");
5351
5352 return 0;
5353 }
5354
5355 static void ipw2100_queues_initialize(struct ipw2100_priv *priv)
5356 {
5357 ipw2100_tx_initialize(priv);
5358 ipw2100_rx_initialize(priv);
5359 ipw2100_msg_initialize(priv);
5360 }
5361
5362 static void ipw2100_queues_free(struct ipw2100_priv *priv)
5363 {
5364 ipw2100_tx_free(priv);
5365 ipw2100_rx_free(priv);
5366 ipw2100_msg_free(priv);
5367 }
5368
5369 static int ipw2100_queues_allocate(struct ipw2100_priv *priv)
5370 {
5371 if (ipw2100_tx_allocate(priv) ||
5372 ipw2100_rx_allocate(priv) || ipw2100_msg_allocate(priv))
5373 goto fail;
5374
5375 return 0;
5376
5377 fail:
5378 ipw2100_tx_free(priv);
5379 ipw2100_rx_free(priv);
5380 ipw2100_msg_free(priv);
5381 return -ENOMEM;
5382 }
5383
5384 #define IPW_PRIVACY_CAPABLE 0x0008
5385
5386 static int ipw2100_set_wep_flags(struct ipw2100_priv *priv, u32 flags,
5387 int batch_mode)
5388 {
5389 struct host_command cmd = {
5390 .host_command = WEP_FLAGS,
5391 .host_command_sequence = 0,
5392 .host_command_length = 4
5393 };
5394 int err;
5395
5396 cmd.host_command_parameters[0] = flags;
5397
5398 IPW_DEBUG_HC("WEP_FLAGS: flags = 0x%08X\n", flags);
5399
5400 if (!batch_mode) {
5401 err = ipw2100_disable_adapter(priv);
5402 if (err) {
5403 printk(KERN_ERR DRV_NAME
5404 ": %s: Could not disable adapter %d\n",
5405 priv->net_dev->name, err);
5406 return err;
5407 }
5408 }
5409
5410 /* send cmd to firmware */
5411 err = ipw2100_hw_send_command(priv, &cmd);
5412
5413 if (!batch_mode)
5414 ipw2100_enable_adapter(priv);
5415
5416 return err;
5417 }
5418
5419 struct ipw2100_wep_key {
5420 u8 idx;
5421 u8 len;
5422 u8 key[13];
5423 };
5424
5425 /* Macros to ease up priting WEP keys */
5426 #define WEP_FMT_64 "%02X%02X%02X%02X-%02X"
5427 #define WEP_FMT_128 "%02X%02X%02X%02X-%02X%02X%02X%02X-%02X%02X%02X"
5428 #define WEP_STR_64(x) x[0],x[1],x[2],x[3],x[4]
5429 #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]
5430
5431 /**
5432 * Set a the wep key
5433 *
5434 * @priv: struct to work on
5435 * @idx: index of the key we want to set
5436 * @key: ptr to the key data to set
5437 * @len: length of the buffer at @key
5438 * @batch_mode: FIXME perform the operation in batch mode, not
5439 * disabling the device.
5440 *
5441 * @returns 0 if OK, < 0 errno code on error.
5442 *
5443 * Fill out a command structure with the new wep key, length an
5444 * index and send it down the wire.
5445 */
5446 static int ipw2100_set_key(struct ipw2100_priv *priv,
5447 int idx, char *key, int len, int batch_mode)
5448 {
5449 int keylen = len ? (len <= 5 ? 5 : 13) : 0;
5450 struct host_command cmd = {
5451 .host_command = WEP_KEY_INFO,
5452 .host_command_sequence = 0,
5453 .host_command_length = sizeof(struct ipw2100_wep_key),
5454 };
5455 struct ipw2100_wep_key *wep_key = (void *)cmd.host_command_parameters;
5456 int err;
5457
5458 IPW_DEBUG_HC("WEP_KEY_INFO: index = %d, len = %d/%d\n",
5459 idx, keylen, len);
5460
5461 /* NOTE: We don't check cached values in case the firmware was reset
5462 * or some other problem is occurring. If the user is setting the key,
5463 * then we push the change */
5464
5465 wep_key->idx = idx;
5466 wep_key->len = keylen;
5467
5468 if (keylen) {
5469 memcpy(wep_key->key, key, len);
5470 memset(wep_key->key + len, 0, keylen - len);
5471 }
5472
5473 /* Will be optimized out on debug not being configured in */
5474 if (keylen == 0)
5475 IPW_DEBUG_WEP("%s: Clearing key %d\n",
5476 priv->net_dev->name, wep_key->idx);
5477 else if (keylen == 5)
5478 IPW_DEBUG_WEP("%s: idx: %d, len: %d key: " WEP_FMT_64 "\n",
5479 priv->net_dev->name, wep_key->idx, wep_key->len,
5480 WEP_STR_64(wep_key->key));
5481 else
5482 IPW_DEBUG_WEP("%s: idx: %d, len: %d key: " WEP_FMT_128
5483 "\n",
5484 priv->net_dev->name, wep_key->idx, wep_key->len,
5485 WEP_STR_128(wep_key->key));
5486
5487 if (!batch_mode) {
5488 err = ipw2100_disable_adapter(priv);
5489 /* FIXME: IPG: shouldn't this prink be in _disable_adapter()? */
5490 if (err) {
5491 printk(KERN_ERR DRV_NAME
5492 ": %s: Could not disable adapter %d\n",
5493 priv->net_dev->name, err);
5494 return err;
5495 }
5496 }
5497
5498 /* send cmd to firmware */
5499 err = ipw2100_hw_send_command(priv, &cmd);
5500
5501 if (!batch_mode) {
5502 int err2 = ipw2100_enable_adapter(priv);
5503 if (err == 0)
5504 err = err2;
5505 }
5506 return err;
5507 }
5508
5509 static int ipw2100_set_key_index(struct ipw2100_priv *priv,
5510 int idx, int batch_mode)
5511 {
5512 struct host_command cmd = {
5513 .host_command = WEP_KEY_INDEX,
5514 .host_command_sequence = 0,
5515 .host_command_length = 4,
5516 .host_command_parameters = {idx},
5517 };
5518 int err;
5519
5520 IPW_DEBUG_HC("WEP_KEY_INDEX: index = %d\n", idx);
5521
5522 if (idx < 0 || idx > 3)
5523 return -EINVAL;
5524
5525 if (!batch_mode) {
5526 err = ipw2100_disable_adapter(priv);
5527 if (err) {
5528 printk(KERN_ERR DRV_NAME
5529 ": %s: Could not disable adapter %d\n",
5530 priv->net_dev->name, err);
5531 return err;
5532 }
5533 }
5534
5535 /* send cmd to firmware */
5536 err = ipw2100_hw_send_command(priv, &cmd);
5537
5538 if (!batch_mode)
5539 ipw2100_enable_adapter(priv);
5540
5541 return err;
5542 }
5543
5544 static int ipw2100_configure_security(struct ipw2100_priv *priv, int batch_mode)
5545 {
5546 int i, err, auth_mode, sec_level, use_group;
5547
5548 if (!(priv->status & STATUS_RUNNING))
5549 return 0;
5550
5551 if (!batch_mode) {
5552 err = ipw2100_disable_adapter(priv);
5553 if (err)
5554 return err;
5555 }
5556
5557 if (!priv->ieee->sec.enabled) {
5558 err =
5559 ipw2100_set_security_information(priv, IPW_AUTH_OPEN,
5560 SEC_LEVEL_0, 0, 1);
5561 } else {
5562 auth_mode = IPW_AUTH_OPEN;
5563 if (priv->ieee->sec.flags & SEC_AUTH_MODE) {
5564 if (priv->ieee->sec.auth_mode == WLAN_AUTH_SHARED_KEY)
5565 auth_mode = IPW_AUTH_SHARED;
5566 else if (priv->ieee->sec.auth_mode == WLAN_AUTH_LEAP)
5567 auth_mode = IPW_AUTH_LEAP_CISCO_ID;
5568 }
5569
5570 sec_level = SEC_LEVEL_0;
5571 if (priv->ieee->sec.flags & SEC_LEVEL)
5572 sec_level = priv->ieee->sec.level;
5573
5574 use_group = 0;
5575 if (priv->ieee->sec.flags & SEC_UNICAST_GROUP)
5576 use_group = priv->ieee->sec.unicast_uses_group;
5577
5578 err =
5579 ipw2100_set_security_information(priv, auth_mode, sec_level,
5580 use_group, 1);
5581 }
5582
5583 if (err)
5584 goto exit;
5585
5586 if (priv->ieee->sec.enabled) {
5587 for (i = 0; i < 4; i++) {
5588 if (!(priv->ieee->sec.flags & (1 << i))) {
5589 memset(priv->ieee->sec.keys[i], 0, WEP_KEY_LEN);
5590 priv->ieee->sec.key_sizes[i] = 0;
5591 } else {
5592 err = ipw2100_set_key(priv, i,
5593 priv->ieee->sec.keys[i],
5594 priv->ieee->sec.
5595 key_sizes[i], 1);
5596 if (err)
5597 goto exit;
5598 }
5599 }
5600
5601 ipw2100_set_key_index(priv, priv->ieee->crypt_info.tx_keyidx, 1);
5602 }
5603
5604 /* Always enable privacy so the Host can filter WEP packets if
5605 * encrypted data is sent up */
5606 err =
5607 ipw2100_set_wep_flags(priv,
5608 priv->ieee->sec.
5609 enabled ? IPW_PRIVACY_CAPABLE : 0, 1);
5610 if (err)
5611 goto exit;
5612
5613 priv->status &= ~STATUS_SECURITY_UPDATED;
5614
5615 exit:
5616 if (!batch_mode)
5617 ipw2100_enable_adapter(priv);
5618
5619 return err;
5620 }
5621
5622 static void ipw2100_security_work(struct work_struct *work)
5623 {
5624 struct ipw2100_priv *priv =
5625 container_of(work, struct ipw2100_priv, security_work.work);
5626
5627 /* If we happen to have reconnected before we get a chance to
5628 * process this, then update the security settings--which causes
5629 * a disassociation to occur */
5630 if (!(priv->status & STATUS_ASSOCIATED) &&
5631 priv->status & STATUS_SECURITY_UPDATED)
5632 ipw2100_configure_security(priv, 0);
5633 }
5634
5635 static void shim__set_security(struct net_device *dev,
5636 struct libipw_security *sec)
5637 {
5638 struct ipw2100_priv *priv = libipw_priv(dev);
5639 int i, force_update = 0;
5640
5641 mutex_lock(&priv->action_mutex);
5642 if (!(priv->status & STATUS_INITIALIZED))
5643 goto done;
5644
5645 for (i = 0; i < 4; i++) {
5646 if (sec->flags & (1 << i)) {
5647 priv->ieee->sec.key_sizes[i] = sec->key_sizes[i];
5648 if (sec->key_sizes[i] == 0)
5649 priv->ieee->sec.flags &= ~(1 << i);
5650 else
5651 memcpy(priv->ieee->sec.keys[i], sec->keys[i],
5652 sec->key_sizes[i]);
5653 if (sec->level == SEC_LEVEL_1) {
5654 priv->ieee->sec.flags |= (1 << i);
5655 priv->status |= STATUS_SECURITY_UPDATED;
5656 } else
5657 priv->ieee->sec.flags &= ~(1 << i);
5658 }
5659 }
5660
5661 if ((sec->flags & SEC_ACTIVE_KEY) &&
5662 priv->ieee->sec.active_key != sec->active_key) {
5663 if (sec->active_key <= 3) {
5664 priv->ieee->sec.active_key = sec->active_key;
5665 priv->ieee->sec.flags |= SEC_ACTIVE_KEY;
5666 } else
5667 priv->ieee->sec.flags &= ~SEC_ACTIVE_KEY;
5668
5669 priv->status |= STATUS_SECURITY_UPDATED;
5670 }
5671
5672 if ((sec->flags & SEC_AUTH_MODE) &&
5673 (priv->ieee->sec.auth_mode != sec->auth_mode)) {
5674 priv->ieee->sec.auth_mode = sec->auth_mode;
5675 priv->ieee->sec.flags |= SEC_AUTH_MODE;
5676 priv->status |= STATUS_SECURITY_UPDATED;
5677 }
5678
5679 if (sec->flags & SEC_ENABLED && priv->ieee->sec.enabled != sec->enabled) {
5680 priv->ieee->sec.flags |= SEC_ENABLED;
5681 priv->ieee->sec.enabled = sec->enabled;
5682 priv->status |= STATUS_SECURITY_UPDATED;
5683 force_update = 1;
5684 }
5685
5686 if (sec->flags & SEC_ENCRYPT)
5687 priv->ieee->sec.encrypt = sec->encrypt;
5688
5689 if (sec->flags & SEC_LEVEL && priv->ieee->sec.level != sec->level) {
5690 priv->ieee->sec.level = sec->level;
5691 priv->ieee->sec.flags |= SEC_LEVEL;
5692 priv->status |= STATUS_SECURITY_UPDATED;
5693 }
5694
5695 IPW_DEBUG_WEP("Security flags: %c %c%c%c%c %c%c%c%c\n",
5696 priv->ieee->sec.flags & (1 << 8) ? '1' : '0',
5697 priv->ieee->sec.flags & (1 << 7) ? '1' : '0',
5698 priv->ieee->sec.flags & (1 << 6) ? '1' : '0',
5699 priv->ieee->sec.flags & (1 << 5) ? '1' : '0',
5700 priv->ieee->sec.flags & (1 << 4) ? '1' : '0',
5701 priv->ieee->sec.flags & (1 << 3) ? '1' : '0',
5702 priv->ieee->sec.flags & (1 << 2) ? '1' : '0',
5703 priv->ieee->sec.flags & (1 << 1) ? '1' : '0',
5704 priv->ieee->sec.flags & (1 << 0) ? '1' : '0');
5705
5706 /* As a temporary work around to enable WPA until we figure out why
5707 * wpa_supplicant toggles the security capability of the driver, which
5708 * forces a disassocation with force_update...
5709 *
5710 * if (force_update || !(priv->status & STATUS_ASSOCIATED))*/
5711 if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)))
5712 ipw2100_configure_security(priv, 0);
5713 done:
5714 mutex_unlock(&priv->action_mutex);
5715 }
5716
5717 static int ipw2100_adapter_setup(struct ipw2100_priv *priv)
5718 {
5719 int err;
5720 int batch_mode = 1;
5721 u8 *bssid;
5722
5723 IPW_DEBUG_INFO("enter\n");
5724
5725 err = ipw2100_disable_adapter(priv);
5726 if (err)
5727 return err;
5728 #ifdef CONFIG_IPW2100_MONITOR
5729 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
5730 err = ipw2100_set_channel(priv, priv->channel, batch_mode);
5731 if (err)
5732 return err;
5733
5734 IPW_DEBUG_INFO("exit\n");
5735
5736 return 0;
5737 }
5738 #endif /* CONFIG_IPW2100_MONITOR */
5739
5740 err = ipw2100_read_mac_address(priv);
5741 if (err)
5742 return -EIO;
5743
5744 err = ipw2100_set_mac_address(priv, batch_mode);
5745 if (err)
5746 return err;
5747
5748 err = ipw2100_set_port_type(priv, priv->ieee->iw_mode, batch_mode);
5749 if (err)
5750 return err;
5751
5752 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
5753 err = ipw2100_set_channel(priv, priv->channel, batch_mode);
5754 if (err)
5755 return err;
5756 }
5757
5758 err = ipw2100_system_config(priv, batch_mode);
5759 if (err)
5760 return err;
5761
5762 err = ipw2100_set_tx_rates(priv, priv->tx_rates, batch_mode);
5763 if (err)
5764 return err;
5765
5766 /* Default to power mode OFF */
5767 err = ipw2100_set_power_mode(priv, IPW_POWER_MODE_CAM);
5768 if (err)
5769 return err;
5770
5771 err = ipw2100_set_rts_threshold(priv, priv->rts_threshold);
5772 if (err)
5773 return err;
5774
5775 if (priv->config & CFG_STATIC_BSSID)
5776 bssid = priv->bssid;
5777 else
5778 bssid = NULL;
5779 err = ipw2100_set_mandatory_bssid(priv, bssid, batch_mode);
5780 if (err)
5781 return err;
5782
5783 if (priv->config & CFG_STATIC_ESSID)
5784 err = ipw2100_set_essid(priv, priv->essid, priv->essid_len,
5785 batch_mode);
5786 else
5787 err = ipw2100_set_essid(priv, NULL, 0, batch_mode);
5788 if (err)
5789 return err;
5790
5791 err = ipw2100_configure_security(priv, batch_mode);
5792 if (err)
5793 return err;
5794
5795 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
5796 err =
5797 ipw2100_set_ibss_beacon_interval(priv,
5798 priv->beacon_interval,
5799 batch_mode);
5800 if (err)
5801 return err;
5802
5803 err = ipw2100_set_tx_power(priv, priv->tx_power);
5804 if (err)
5805 return err;
5806 }
5807
5808 /*
5809 err = ipw2100_set_fragmentation_threshold(
5810 priv, priv->frag_threshold, batch_mode);
5811 if (err)
5812 return err;
5813 */
5814
5815 IPW_DEBUG_INFO("exit\n");
5816
5817 return 0;
5818 }
5819
5820 /*************************************************************************
5821 *
5822 * EXTERNALLY CALLED METHODS
5823 *
5824 *************************************************************************/
5825
5826 /* This method is called by the network layer -- not to be confused with
5827 * ipw2100_set_mac_address() declared above called by this driver (and this
5828 * method as well) to talk to the firmware */
5829 static int ipw2100_set_address(struct net_device *dev, void *p)
5830 {
5831 struct ipw2100_priv *priv = libipw_priv(dev);
5832 struct sockaddr *addr = p;
5833 int err = 0;
5834
5835 if (!is_valid_ether_addr(addr->sa_data))
5836 return -EADDRNOTAVAIL;
5837
5838 mutex_lock(&priv->action_mutex);
5839
5840 priv->config |= CFG_CUSTOM_MAC;
5841 memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
5842
5843 err = ipw2100_set_mac_address(priv, 0);
5844 if (err)
5845 goto done;
5846
5847 priv->reset_backoff = 0;
5848 mutex_unlock(&priv->action_mutex);
5849 ipw2100_reset_adapter(&priv->reset_work.work);
5850 return 0;
5851
5852 done:
5853 mutex_unlock(&priv->action_mutex);
5854 return err;
5855 }
5856
5857 static int ipw2100_open(struct net_device *dev)
5858 {
5859 struct ipw2100_priv *priv = libipw_priv(dev);
5860 unsigned long flags;
5861 IPW_DEBUG_INFO("dev->open\n");
5862
5863 spin_lock_irqsave(&priv->low_lock, flags);
5864 if (priv->status & STATUS_ASSOCIATED) {
5865 netif_carrier_on(dev);
5866 netif_start_queue(dev);
5867 }
5868 spin_unlock_irqrestore(&priv->low_lock, flags);
5869
5870 return 0;
5871 }
5872
5873 static int ipw2100_close(struct net_device *dev)
5874 {
5875 struct ipw2100_priv *priv = libipw_priv(dev);
5876 unsigned long flags;
5877 struct list_head *element;
5878 struct ipw2100_tx_packet *packet;
5879
5880 IPW_DEBUG_INFO("enter\n");
5881
5882 spin_lock_irqsave(&priv->low_lock, flags);
5883
5884 if (priv->status & STATUS_ASSOCIATED)
5885 netif_carrier_off(dev);
5886 netif_stop_queue(dev);
5887
5888 /* Flush the TX queue ... */
5889 while (!list_empty(&priv->tx_pend_list)) {
5890 element = priv->tx_pend_list.next;
5891 packet = list_entry(element, struct ipw2100_tx_packet, list);
5892
5893 list_del(element);
5894 DEC_STAT(&priv->tx_pend_stat);
5895
5896 libipw_txb_free(packet->info.d_struct.txb);
5897 packet->info.d_struct.txb = NULL;
5898
5899 list_add_tail(element, &priv->tx_free_list);
5900 INC_STAT(&priv->tx_free_stat);
5901 }
5902 spin_unlock_irqrestore(&priv->low_lock, flags);
5903
5904 IPW_DEBUG_INFO("exit\n");
5905
5906 return 0;
5907 }
5908
5909 /*
5910 * TODO: Fix this function... its just wrong
5911 */
5912 static void ipw2100_tx_timeout(struct net_device *dev)
5913 {
5914 struct ipw2100_priv *priv = libipw_priv(dev);
5915
5916 dev->stats.tx_errors++;
5917
5918 #ifdef CONFIG_IPW2100_MONITOR
5919 if (priv->ieee->iw_mode == IW_MODE_MONITOR)
5920 return;
5921 #endif
5922
5923 IPW_DEBUG_INFO("%s: TX timed out. Scheduling firmware restart.\n",
5924 dev->name);
5925 schedule_reset(priv);
5926 }
5927
5928 static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value)
5929 {
5930 /* This is called when wpa_supplicant loads and closes the driver
5931 * interface. */
5932 priv->ieee->wpa_enabled = value;
5933 return 0;
5934 }
5935
5936 static int ipw2100_wpa_set_auth_algs(struct ipw2100_priv *priv, int value)
5937 {
5938
5939 struct libipw_device *ieee = priv->ieee;
5940 struct libipw_security sec = {
5941 .flags = SEC_AUTH_MODE,
5942 };
5943 int ret = 0;
5944
5945 if (value & IW_AUTH_ALG_SHARED_KEY) {
5946 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
5947 ieee->open_wep = 0;
5948 } else if (value & IW_AUTH_ALG_OPEN_SYSTEM) {
5949 sec.auth_mode = WLAN_AUTH_OPEN;
5950 ieee->open_wep = 1;
5951 } else if (value & IW_AUTH_ALG_LEAP) {
5952 sec.auth_mode = WLAN_AUTH_LEAP;
5953 ieee->open_wep = 1;
5954 } else
5955 return -EINVAL;
5956
5957 if (ieee->set_security)
5958 ieee->set_security(ieee->dev, &sec);
5959 else
5960 ret = -EOPNOTSUPP;
5961
5962 return ret;
5963 }
5964
5965 static void ipw2100_wpa_assoc_frame(struct ipw2100_priv *priv,
5966 char *wpa_ie, int wpa_ie_len)
5967 {
5968
5969 struct ipw2100_wpa_assoc_frame frame;
5970
5971 frame.fixed_ie_mask = 0;
5972
5973 /* copy WPA IE */
5974 memcpy(frame.var_ie, wpa_ie, wpa_ie_len);
5975 frame.var_ie_len = wpa_ie_len;
5976
5977 /* make sure WPA is enabled */
5978 ipw2100_wpa_enable(priv, 1);
5979 ipw2100_set_wpa_ie(priv, &frame, 0);
5980 }
5981
5982 static void ipw_ethtool_get_drvinfo(struct net_device *dev,
5983 struct ethtool_drvinfo *info)
5984 {
5985 struct ipw2100_priv *priv = libipw_priv(dev);
5986 char fw_ver[64], ucode_ver[64];
5987
5988 strcpy(info->driver, DRV_NAME);
5989 strcpy(info->version, DRV_VERSION);
5990
5991 ipw2100_get_fwversion(priv, fw_ver, sizeof(fw_ver));
5992 ipw2100_get_ucodeversion(priv, ucode_ver, sizeof(ucode_ver));
5993
5994 snprintf(info->fw_version, sizeof(info->fw_version), "%s:%d:%s",
5995 fw_ver, priv->eeprom_version, ucode_ver);
5996
5997 strcpy(info->bus_info, pci_name(priv->pci_dev));
5998 }
5999
6000 static u32 ipw2100_ethtool_get_link(struct net_device *dev)
6001 {
6002 struct ipw2100_priv *priv = libipw_priv(dev);
6003 return (priv->status & STATUS_ASSOCIATED) ? 1 : 0;
6004 }
6005
6006 static const struct ethtool_ops ipw2100_ethtool_ops = {
6007 .get_link = ipw2100_ethtool_get_link,
6008 .get_drvinfo = ipw_ethtool_get_drvinfo,
6009 };
6010
6011 static void ipw2100_hang_check(struct work_struct *work)
6012 {
6013 struct ipw2100_priv *priv =
6014 container_of(work, struct ipw2100_priv, hang_check.work);
6015 unsigned long flags;
6016 u32 rtc = 0xa5a5a5a5;
6017 u32 len = sizeof(rtc);
6018 int restart = 0;
6019
6020 spin_lock_irqsave(&priv->low_lock, flags);
6021
6022 if (priv->fatal_error != 0) {
6023 /* If fatal_error is set then we need to restart */
6024 IPW_DEBUG_INFO("%s: Hardware fatal error detected.\n",
6025 priv->net_dev->name);
6026
6027 restart = 1;
6028 } else if (ipw2100_get_ordinal(priv, IPW_ORD_RTC_TIME, &rtc, &len) ||
6029 (rtc == priv->last_rtc)) {
6030 /* Check if firmware is hung */
6031 IPW_DEBUG_INFO("%s: Firmware RTC stalled.\n",
6032 priv->net_dev->name);
6033
6034 restart = 1;
6035 }
6036
6037 if (restart) {
6038 /* Kill timer */
6039 priv->stop_hang_check = 1;
6040 priv->hangs++;
6041
6042 /* Restart the NIC */
6043 schedule_reset(priv);
6044 }
6045
6046 priv->last_rtc = rtc;
6047
6048 if (!priv->stop_hang_check)
6049 queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
6050
6051 spin_unlock_irqrestore(&priv->low_lock, flags);
6052 }
6053
6054 static void ipw2100_rf_kill(struct work_struct *work)
6055 {
6056 struct ipw2100_priv *priv =
6057 container_of(work, struct ipw2100_priv, rf_kill.work);
6058 unsigned long flags;
6059
6060 spin_lock_irqsave(&priv->low_lock, flags);
6061
6062 if (rf_kill_active(priv)) {
6063 IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n");
6064 if (!priv->stop_rf_kill)
6065 queue_delayed_work(priv->workqueue, &priv->rf_kill,
6066 round_jiffies_relative(HZ));
6067 goto exit_unlock;
6068 }
6069
6070 /* RF Kill is now disabled, so bring the device back up */
6071
6072 if (!(priv->status & STATUS_RF_KILL_MASK)) {
6073 IPW_DEBUG_RF_KILL("HW RF Kill no longer active, restarting "
6074 "device\n");
6075 schedule_reset(priv);
6076 } else
6077 IPW_DEBUG_RF_KILL("HW RF Kill deactivated. SW RF Kill still "
6078 "enabled\n");
6079
6080 exit_unlock:
6081 spin_unlock_irqrestore(&priv->low_lock, flags);
6082 }
6083
6084 static void ipw2100_irq_tasklet(struct ipw2100_priv *priv);
6085
6086 static const struct net_device_ops ipw2100_netdev_ops = {
6087 .ndo_open = ipw2100_open,
6088 .ndo_stop = ipw2100_close,
6089 .ndo_start_xmit = libipw_xmit,
6090 .ndo_change_mtu = libipw_change_mtu,
6091 .ndo_init = ipw2100_net_init,
6092 .ndo_tx_timeout = ipw2100_tx_timeout,
6093 .ndo_set_mac_address = ipw2100_set_address,
6094 .ndo_validate_addr = eth_validate_addr,
6095 };
6096
6097 /* Look into using netdev destructor to shutdown libipw? */
6098
6099 static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev,
6100 void __iomem * base_addr,
6101 unsigned long mem_start,
6102 unsigned long mem_len)
6103 {
6104 struct ipw2100_priv *priv;
6105 struct net_device *dev;
6106
6107 dev = alloc_libipw(sizeof(struct ipw2100_priv), 0);
6108 if (!dev)
6109 return NULL;
6110 priv = libipw_priv(dev);
6111 priv->ieee = netdev_priv(dev);
6112 priv->pci_dev = pci_dev;
6113 priv->net_dev = dev;
6114
6115 priv->ieee->hard_start_xmit = ipw2100_tx;
6116 priv->ieee->set_security = shim__set_security;
6117
6118 priv->ieee->perfect_rssi = -20;
6119 priv->ieee->worst_rssi = -85;
6120
6121 dev->netdev_ops = &ipw2100_netdev_ops;
6122 dev->ethtool_ops = &ipw2100_ethtool_ops;
6123 dev->wireless_handlers = &ipw2100_wx_handler_def;
6124 priv->wireless_data.libipw = priv->ieee;
6125 dev->wireless_data = &priv->wireless_data;
6126 dev->watchdog_timeo = 3 * HZ;
6127 dev->irq = 0;
6128
6129 dev->base_addr = (unsigned long)base_addr;
6130 dev->mem_start = mem_start;
6131 dev->mem_end = dev->mem_start + mem_len - 1;
6132
6133 /* NOTE: We don't use the wireless_handlers hook
6134 * in dev as the system will start throwing WX requests
6135 * to us before we're actually initialized and it just
6136 * ends up causing problems. So, we just handle
6137 * the WX extensions through the ipw2100_ioctl interface */
6138
6139 /* memset() puts everything to 0, so we only have explicitly set
6140 * those values that need to be something else */
6141
6142 /* If power management is turned on, default to AUTO mode */
6143 priv->power_mode = IPW_POWER_AUTO;
6144
6145 #ifdef CONFIG_IPW2100_MONITOR
6146 priv->config |= CFG_CRC_CHECK;
6147 #endif
6148 priv->ieee->wpa_enabled = 0;
6149 priv->ieee->drop_unencrypted = 0;
6150 priv->ieee->privacy_invoked = 0;
6151 priv->ieee->ieee802_1x = 1;
6152
6153 /* Set module parameters */
6154 switch (network_mode) {
6155 case 1:
6156 priv->ieee->iw_mode = IW_MODE_ADHOC;
6157 break;
6158 #ifdef CONFIG_IPW2100_MONITOR
6159 case 2:
6160 priv->ieee->iw_mode = IW_MODE_MONITOR;
6161 break;
6162 #endif
6163 default:
6164 case 0:
6165 priv->ieee->iw_mode = IW_MODE_INFRA;
6166 break;
6167 }
6168
6169 if (disable == 1)
6170 priv->status |= STATUS_RF_KILL_SW;
6171
6172 if (channel != 0 &&
6173 ((channel >= REG_MIN_CHANNEL) && (channel <= REG_MAX_CHANNEL))) {
6174 priv->config |= CFG_STATIC_CHANNEL;
6175 priv->channel = channel;
6176 }
6177
6178 if (associate)
6179 priv->config |= CFG_ASSOCIATE;
6180
6181 priv->beacon_interval = DEFAULT_BEACON_INTERVAL;
6182 priv->short_retry_limit = DEFAULT_SHORT_RETRY_LIMIT;
6183 priv->long_retry_limit = DEFAULT_LONG_RETRY_LIMIT;
6184 priv->rts_threshold = DEFAULT_RTS_THRESHOLD | RTS_DISABLED;
6185 priv->frag_threshold = DEFAULT_FTS | FRAG_DISABLED;
6186 priv->tx_power = IPW_TX_POWER_DEFAULT;
6187 priv->tx_rates = DEFAULT_TX_RATES;
6188
6189 strcpy(priv->nick, "ipw2100");
6190
6191 spin_lock_init(&priv->low_lock);
6192 mutex_init(&priv->action_mutex);
6193 mutex_init(&priv->adapter_mutex);
6194
6195 init_waitqueue_head(&priv->wait_command_queue);
6196
6197 netif_carrier_off(dev);
6198
6199 INIT_LIST_HEAD(&priv->msg_free_list);
6200 INIT_LIST_HEAD(&priv->msg_pend_list);
6201 INIT_STAT(&priv->msg_free_stat);
6202 INIT_STAT(&priv->msg_pend_stat);
6203
6204 INIT_LIST_HEAD(&priv->tx_free_list);
6205 INIT_LIST_HEAD(&priv->tx_pend_list);
6206 INIT_STAT(&priv->tx_free_stat);
6207 INIT_STAT(&priv->tx_pend_stat);
6208
6209 INIT_LIST_HEAD(&priv->fw_pend_list);
6210 INIT_STAT(&priv->fw_pend_stat);
6211
6212 priv->workqueue = create_workqueue(DRV_NAME);
6213
6214 INIT_DELAYED_WORK(&priv->reset_work, ipw2100_reset_adapter);
6215 INIT_DELAYED_WORK(&priv->security_work, ipw2100_security_work);
6216 INIT_DELAYED_WORK(&priv->wx_event_work, ipw2100_wx_event_work);
6217 INIT_DELAYED_WORK(&priv->hang_check, ipw2100_hang_check);
6218 INIT_DELAYED_WORK(&priv->rf_kill, ipw2100_rf_kill);
6219 INIT_WORK(&priv->scan_event_now, ipw2100_scan_event_now);
6220 INIT_DELAYED_WORK(&priv->scan_event_later, ipw2100_scan_event_later);
6221
6222 tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
6223 ipw2100_irq_tasklet, (unsigned long)priv);
6224
6225 /* NOTE: We do not start the deferred work for status checks yet */
6226 priv->stop_rf_kill = 1;
6227 priv->stop_hang_check = 1;
6228
6229 return dev;
6230 }
6231
6232 static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
6233 const struct pci_device_id *ent)
6234 {
6235 unsigned long mem_start, mem_len, mem_flags;
6236 void __iomem *base_addr = NULL;
6237 struct net_device *dev = NULL;
6238 struct ipw2100_priv *priv = NULL;
6239 int err = 0;
6240 int registered = 0;
6241 u32 val;
6242
6243 IPW_DEBUG_INFO("enter\n");
6244
6245 mem_start = pci_resource_start(pci_dev, 0);
6246 mem_len = pci_resource_len(pci_dev, 0);
6247 mem_flags = pci_resource_flags(pci_dev, 0);
6248
6249 if ((mem_flags & IORESOURCE_MEM) != IORESOURCE_MEM) {
6250 IPW_DEBUG_INFO("weird - resource type is not memory\n");
6251 err = -ENODEV;
6252 goto fail;
6253 }
6254
6255 base_addr = ioremap_nocache(mem_start, mem_len);
6256 if (!base_addr) {
6257 printk(KERN_WARNING DRV_NAME
6258 "Error calling ioremap_nocache.\n");
6259 err = -EIO;
6260 goto fail;
6261 }
6262
6263 /* allocate and initialize our net_device */
6264 dev = ipw2100_alloc_device(pci_dev, base_addr, mem_start, mem_len);
6265 if (!dev) {
6266 printk(KERN_WARNING DRV_NAME
6267 "Error calling ipw2100_alloc_device.\n");
6268 err = -ENOMEM;
6269 goto fail;
6270 }
6271
6272 /* set up PCI mappings for device */
6273 err = pci_enable_device(pci_dev);
6274 if (err) {
6275 printk(KERN_WARNING DRV_NAME
6276 "Error calling pci_enable_device.\n");
6277 return err;
6278 }
6279
6280 priv = libipw_priv(dev);
6281
6282 pci_set_master(pci_dev);
6283 pci_set_drvdata(pci_dev, priv);
6284
6285 err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
6286 if (err) {
6287 printk(KERN_WARNING DRV_NAME
6288 "Error calling pci_set_dma_mask.\n");
6289 pci_disable_device(pci_dev);
6290 return err;
6291 }
6292
6293 err = pci_request_regions(pci_dev, DRV_NAME);
6294 if (err) {
6295 printk(KERN_WARNING DRV_NAME
6296 "Error calling pci_request_regions.\n");
6297 pci_disable_device(pci_dev);
6298 return err;
6299 }
6300
6301 /* We disable the RETRY_TIMEOUT register (0x41) to keep
6302 * PCI Tx retries from interfering with C3 CPU state */
6303 pci_read_config_dword(pci_dev, 0x40, &val);
6304 if ((val & 0x0000ff00) != 0)
6305 pci_write_config_dword(pci_dev, 0x40, val & 0xffff00ff);
6306
6307 pci_set_power_state(pci_dev, PCI_D0);
6308
6309 if (!ipw2100_hw_is_adapter_in_system(dev)) {
6310 printk(KERN_WARNING DRV_NAME
6311 "Device not found via register read.\n");
6312 err = -ENODEV;
6313 goto fail;
6314 }
6315
6316 SET_NETDEV_DEV(dev, &pci_dev->dev);
6317
6318 /* Force interrupts to be shut off on the device */
6319 priv->status |= STATUS_INT_ENABLED;
6320 ipw2100_disable_interrupts(priv);
6321
6322 /* Allocate and initialize the Tx/Rx queues and lists */
6323 if (ipw2100_queues_allocate(priv)) {
6324 printk(KERN_WARNING DRV_NAME
6325 "Error calling ipw2100_queues_allocate.\n");
6326 err = -ENOMEM;
6327 goto fail;
6328 }
6329 ipw2100_queues_initialize(priv);
6330
6331 err = request_irq(pci_dev->irq,
6332 ipw2100_interrupt, IRQF_SHARED, dev->name, priv);
6333 if (err) {
6334 printk(KERN_WARNING DRV_NAME
6335 "Error calling request_irq: %d.\n", pci_dev->irq);
6336 goto fail;
6337 }
6338 dev->irq = pci_dev->irq;
6339
6340 IPW_DEBUG_INFO("Attempting to register device...\n");
6341
6342 printk(KERN_INFO DRV_NAME
6343 ": Detected Intel PRO/Wireless 2100 Network Connection\n");
6344
6345 /* Bring up the interface. Pre 0.46, after we registered the
6346 * network device we would call ipw2100_up. This introduced a race
6347 * condition with newer hotplug configurations (network was coming
6348 * up and making calls before the device was initialized).
6349 *
6350 * If we called ipw2100_up before we registered the device, then the
6351 * device name wasn't registered. So, we instead use the net_dev->init
6352 * member to call a function that then just turns and calls ipw2100_up.
6353 * net_dev->init is called after name allocation but before the
6354 * notifier chain is called */
6355 err = register_netdev(dev);
6356 if (err) {
6357 printk(KERN_WARNING DRV_NAME
6358 "Error calling register_netdev.\n");
6359 goto fail;
6360 }
6361
6362 mutex_lock(&priv->action_mutex);
6363 registered = 1;
6364
6365 IPW_DEBUG_INFO("%s: Bound to %s\n", dev->name, pci_name(pci_dev));
6366
6367 /* perform this after register_netdev so that dev->name is set */
6368 err = sysfs_create_group(&pci_dev->dev.kobj, &ipw2100_attribute_group);
6369 if (err)
6370 goto fail_unlock;
6371
6372 /* If the RF Kill switch is disabled, go ahead and complete the
6373 * startup sequence */
6374 if (!(priv->status & STATUS_RF_KILL_MASK)) {
6375 /* Enable the adapter - sends HOST_COMPLETE */
6376 if (ipw2100_enable_adapter(priv)) {
6377 printk(KERN_WARNING DRV_NAME
6378 ": %s: failed in call to enable adapter.\n",
6379 priv->net_dev->name);
6380 ipw2100_hw_stop_adapter(priv);
6381 err = -EIO;
6382 goto fail_unlock;
6383 }
6384
6385 /* Start a scan . . . */
6386 ipw2100_set_scan_options(priv);
6387 ipw2100_start_scan(priv);
6388 }
6389
6390 IPW_DEBUG_INFO("exit\n");
6391
6392 priv->status |= STATUS_INITIALIZED;
6393
6394 mutex_unlock(&priv->action_mutex);
6395
6396 return 0;
6397
6398 fail_unlock:
6399 mutex_unlock(&priv->action_mutex);
6400
6401 fail:
6402 if (dev) {
6403 if (registered)
6404 unregister_netdev(dev);
6405
6406 ipw2100_hw_stop_adapter(priv);
6407
6408 ipw2100_disable_interrupts(priv);
6409
6410 if (dev->irq)
6411 free_irq(dev->irq, priv);
6412
6413 ipw2100_kill_workqueue(priv);
6414
6415 /* These are safe to call even if they weren't allocated */
6416 ipw2100_queues_free(priv);
6417 sysfs_remove_group(&pci_dev->dev.kobj,
6418 &ipw2100_attribute_group);
6419
6420 free_libipw(dev, 0);
6421 pci_set_drvdata(pci_dev, NULL);
6422 }
6423
6424 if (base_addr)
6425 iounmap(base_addr);
6426
6427 pci_release_regions(pci_dev);
6428 pci_disable_device(pci_dev);
6429
6430 return err;
6431 }
6432
6433 static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
6434 {
6435 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6436 struct net_device *dev;
6437
6438 if (priv) {
6439 mutex_lock(&priv->action_mutex);
6440
6441 priv->status &= ~STATUS_INITIALIZED;
6442
6443 dev = priv->net_dev;
6444 sysfs_remove_group(&pci_dev->dev.kobj,
6445 &ipw2100_attribute_group);
6446
6447 #ifdef CONFIG_PM
6448 if (ipw2100_firmware.version)
6449 ipw2100_release_firmware(priv, &ipw2100_firmware);
6450 #endif
6451 /* Take down the hardware */
6452 ipw2100_down(priv);
6453
6454 /* Release the mutex so that the network subsystem can
6455 * complete any needed calls into the driver... */
6456 mutex_unlock(&priv->action_mutex);
6457
6458 /* Unregister the device first - this results in close()
6459 * being called if the device is open. If we free storage
6460 * first, then close() will crash. */
6461 unregister_netdev(dev);
6462
6463 /* ipw2100_down will ensure that there is no more pending work
6464 * in the workqueue's, so we can safely remove them now. */
6465 ipw2100_kill_workqueue(priv);
6466
6467 ipw2100_queues_free(priv);
6468
6469 /* Free potential debugging firmware snapshot */
6470 ipw2100_snapshot_free(priv);
6471
6472 if (dev->irq)
6473 free_irq(dev->irq, priv);
6474
6475 if (dev->base_addr)
6476 iounmap((void __iomem *)dev->base_addr);
6477
6478 /* wiphy_unregister needs to be here, before free_libipw */
6479 wiphy_unregister(priv->ieee->wdev.wiphy);
6480 kfree(priv->ieee->bg_band.channels);
6481 free_libipw(dev, 0);
6482 }
6483
6484 pci_release_regions(pci_dev);
6485 pci_disable_device(pci_dev);
6486
6487 IPW_DEBUG_INFO("exit\n");
6488 }
6489
6490 #ifdef CONFIG_PM
6491 static int ipw2100_suspend(struct pci_dev *pci_dev, pm_message_t state)
6492 {
6493 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6494 struct net_device *dev = priv->net_dev;
6495
6496 IPW_DEBUG_INFO("%s: Going into suspend...\n", dev->name);
6497
6498 mutex_lock(&priv->action_mutex);
6499 if (priv->status & STATUS_INITIALIZED) {
6500 /* Take down the device; powers it off, etc. */
6501 ipw2100_down(priv);
6502 }
6503
6504 /* Remove the PRESENT state of the device */
6505 netif_device_detach(dev);
6506
6507 pci_save_state(pci_dev);
6508 pci_disable_device(pci_dev);
6509 pci_set_power_state(pci_dev, PCI_D3hot);
6510
6511 priv->suspend_at = get_seconds();
6512
6513 mutex_unlock(&priv->action_mutex);
6514
6515 return 0;
6516 }
6517
6518 static int ipw2100_resume(struct pci_dev *pci_dev)
6519 {
6520 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6521 struct net_device *dev = priv->net_dev;
6522 int err;
6523 u32 val;
6524
6525 if (IPW2100_PM_DISABLED)
6526 return 0;
6527
6528 mutex_lock(&priv->action_mutex);
6529
6530 IPW_DEBUG_INFO("%s: Coming out of suspend...\n", dev->name);
6531
6532 pci_set_power_state(pci_dev, PCI_D0);
6533 err = pci_enable_device(pci_dev);
6534 if (err) {
6535 printk(KERN_ERR "%s: pci_enable_device failed on resume\n",
6536 dev->name);
6537 mutex_unlock(&priv->action_mutex);
6538 return err;
6539 }
6540 pci_restore_state(pci_dev);
6541
6542 /*
6543 * Suspend/Resume resets the PCI configuration space, so we have to
6544 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
6545 * from interfering with C3 CPU state. pci_restore_state won't help
6546 * here since it only restores the first 64 bytes pci config header.
6547 */
6548 pci_read_config_dword(pci_dev, 0x40, &val);
6549 if ((val & 0x0000ff00) != 0)
6550 pci_write_config_dword(pci_dev, 0x40, val & 0xffff00ff);
6551
6552 /* Set the device back into the PRESENT state; this will also wake
6553 * the queue of needed */
6554 netif_device_attach(dev);
6555
6556 priv->suspend_time = get_seconds() - priv->suspend_at;
6557
6558 /* Bring the device back up */
6559 if (!(priv->status & STATUS_RF_KILL_SW))
6560 ipw2100_up(priv, 0);
6561
6562 mutex_unlock(&priv->action_mutex);
6563
6564 return 0;
6565 }
6566 #endif
6567
6568 static void ipw2100_shutdown(struct pci_dev *pci_dev)
6569 {
6570 struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
6571
6572 /* Take down the device; powers it off, etc. */
6573 ipw2100_down(priv);
6574
6575 pci_disable_device(pci_dev);
6576 }
6577
6578 #define IPW2100_DEV_ID(x) { PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, x }
6579
6580 static DEFINE_PCI_DEVICE_TABLE(ipw2100_pci_id_table) = {
6581 IPW2100_DEV_ID(0x2520), /* IN 2100A mPCI 3A */
6582 IPW2100_DEV_ID(0x2521), /* IN 2100A mPCI 3B */
6583 IPW2100_DEV_ID(0x2524), /* IN 2100A mPCI 3B */
6584 IPW2100_DEV_ID(0x2525), /* IN 2100A mPCI 3B */
6585 IPW2100_DEV_ID(0x2526), /* IN 2100A mPCI Gen A3 */
6586 IPW2100_DEV_ID(0x2522), /* IN 2100 mPCI 3B */
6587 IPW2100_DEV_ID(0x2523), /* IN 2100 mPCI 3A */
6588 IPW2100_DEV_ID(0x2527), /* IN 2100 mPCI 3B */
6589 IPW2100_DEV_ID(0x2528), /* IN 2100 mPCI 3B */
6590 IPW2100_DEV_ID(0x2529), /* IN 2100 mPCI 3B */
6591 IPW2100_DEV_ID(0x252B), /* IN 2100 mPCI 3A */
6592 IPW2100_DEV_ID(0x252C), /* IN 2100 mPCI 3A */
6593 IPW2100_DEV_ID(0x252D), /* IN 2100 mPCI 3A */
6594
6595 IPW2100_DEV_ID(0x2550), /* IB 2100A mPCI 3B */
6596 IPW2100_DEV_ID(0x2551), /* IB 2100 mPCI 3B */
6597 IPW2100_DEV_ID(0x2553), /* IB 2100 mPCI 3B */
6598 IPW2100_DEV_ID(0x2554), /* IB 2100 mPCI 3B */
6599 IPW2100_DEV_ID(0x2555), /* IB 2100 mPCI 3B */
6600
6601 IPW2100_DEV_ID(0x2560), /* DE 2100A mPCI 3A */
6602 IPW2100_DEV_ID(0x2562), /* DE 2100A mPCI 3A */
6603 IPW2100_DEV_ID(0x2563), /* DE 2100A mPCI 3A */
6604 IPW2100_DEV_ID(0x2561), /* DE 2100 mPCI 3A */
6605 IPW2100_DEV_ID(0x2565), /* DE 2100 mPCI 3A */
6606 IPW2100_DEV_ID(0x2566), /* DE 2100 mPCI 3A */
6607 IPW2100_DEV_ID(0x2567), /* DE 2100 mPCI 3A */
6608
6609 IPW2100_DEV_ID(0x2570), /* GA 2100 mPCI 3B */
6610
6611 IPW2100_DEV_ID(0x2580), /* TO 2100A mPCI 3B */
6612 IPW2100_DEV_ID(0x2582), /* TO 2100A mPCI 3B */
6613 IPW2100_DEV_ID(0x2583), /* TO 2100A mPCI 3B */
6614 IPW2100_DEV_ID(0x2581), /* TO 2100 mPCI 3B */
6615 IPW2100_DEV_ID(0x2585), /* TO 2100 mPCI 3B */
6616 IPW2100_DEV_ID(0x2586), /* TO 2100 mPCI 3B */
6617 IPW2100_DEV_ID(0x2587), /* TO 2100 mPCI 3B */
6618
6619 IPW2100_DEV_ID(0x2590), /* SO 2100A mPCI 3B */
6620 IPW2100_DEV_ID(0x2592), /* SO 2100A mPCI 3B */
6621 IPW2100_DEV_ID(0x2591), /* SO 2100 mPCI 3B */
6622 IPW2100_DEV_ID(0x2593), /* SO 2100 mPCI 3B */
6623 IPW2100_DEV_ID(0x2596), /* SO 2100 mPCI 3B */
6624 IPW2100_DEV_ID(0x2598), /* SO 2100 mPCI 3B */
6625
6626 IPW2100_DEV_ID(0x25A0), /* HP 2100 mPCI 3B */
6627 {0,},
6628 };
6629
6630 MODULE_DEVICE_TABLE(pci, ipw2100_pci_id_table);
6631
6632 static struct pci_driver ipw2100_pci_driver = {
6633 .name = DRV_NAME,
6634 .id_table = ipw2100_pci_id_table,
6635 .probe = ipw2100_pci_init_one,
6636 .remove = __devexit_p(ipw2100_pci_remove_one),
6637 #ifdef CONFIG_PM
6638 .suspend = ipw2100_suspend,
6639 .resume = ipw2100_resume,
6640 #endif
6641 .shutdown = ipw2100_shutdown,
6642 };
6643
6644 /**
6645 * Initialize the ipw2100 driver/module
6646 *
6647 * @returns 0 if ok, < 0 errno node con error.
6648 *
6649 * Note: we cannot init the /proc stuff until the PCI driver is there,
6650 * or we risk an unlikely race condition on someone accessing
6651 * uninitialized data in the PCI dev struct through /proc.
6652 */
6653 static int __init ipw2100_init(void)
6654 {
6655 int ret;
6656
6657 printk(KERN_INFO DRV_NAME ": %s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
6658 printk(KERN_INFO DRV_NAME ": %s\n", DRV_COPYRIGHT);
6659
6660 pm_qos_add_request(&ipw2100_pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
6661 PM_QOS_DEFAULT_VALUE);
6662
6663 ret = pci_register_driver(&ipw2100_pci_driver);
6664 if (ret)
6665 goto out;
6666
6667 #ifdef CONFIG_IPW2100_DEBUG
6668 ipw2100_debug_level = debug;
6669 ret = driver_create_file(&ipw2100_pci_driver.driver,
6670 &driver_attr_debug_level);
6671 #endif
6672
6673 out:
6674 return ret;
6675 }
6676
6677 /**
6678 * Cleanup ipw2100 driver registration
6679 */
6680 static void __exit ipw2100_exit(void)
6681 {
6682 /* FIXME: IPG: check that we have no instances of the devices open */
6683 #ifdef CONFIG_IPW2100_DEBUG
6684 driver_remove_file(&ipw2100_pci_driver.driver,
6685 &driver_attr_debug_level);
6686 #endif
6687 pci_unregister_driver(&ipw2100_pci_driver);
6688 pm_qos_remove_request(&ipw2100_pm_qos_req);
6689 }
6690
6691 module_init(ipw2100_init);
6692 module_exit(ipw2100_exit);
6693
6694 static int ipw2100_wx_get_name(struct net_device *dev,
6695 struct iw_request_info *info,
6696 union iwreq_data *wrqu, char *extra)
6697 {
6698 /*
6699 * This can be called at any time. No action lock required
6700 */
6701
6702 struct ipw2100_priv *priv = libipw_priv(dev);
6703 if (!(priv->status & STATUS_ASSOCIATED))
6704 strcpy(wrqu->name, "unassociated");
6705 else
6706 snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11b");
6707
6708 IPW_DEBUG_WX("Name: %s\n", wrqu->name);
6709 return 0;
6710 }
6711
6712 static int ipw2100_wx_set_freq(struct net_device *dev,
6713 struct iw_request_info *info,
6714 union iwreq_data *wrqu, char *extra)
6715 {
6716 struct ipw2100_priv *priv = libipw_priv(dev);
6717 struct iw_freq *fwrq = &wrqu->freq;
6718 int err = 0;
6719
6720 if (priv->ieee->iw_mode == IW_MODE_INFRA)
6721 return -EOPNOTSUPP;
6722
6723 mutex_lock(&priv->action_mutex);
6724 if (!(priv->status & STATUS_INITIALIZED)) {
6725 err = -EIO;
6726 goto done;
6727 }
6728
6729 /* if setting by freq convert to channel */
6730 if (fwrq->e == 1) {
6731 if ((fwrq->m >= (int)2.412e8 && fwrq->m <= (int)2.487e8)) {
6732 int f = fwrq->m / 100000;
6733 int c = 0;
6734
6735 while ((c < REG_MAX_CHANNEL) &&
6736 (f != ipw2100_frequencies[c]))
6737 c++;
6738
6739 /* hack to fall through */
6740 fwrq->e = 0;
6741 fwrq->m = c + 1;
6742 }
6743 }
6744
6745 if (fwrq->e > 0 || fwrq->m > 1000) {
6746 err = -EOPNOTSUPP;
6747 goto done;
6748 } else { /* Set the channel */
6749 IPW_DEBUG_WX("SET Freq/Channel -> %d\n", fwrq->m);
6750 err = ipw2100_set_channel(priv, fwrq->m, 0);
6751 }
6752
6753 done:
6754 mutex_unlock(&priv->action_mutex);
6755 return err;
6756 }
6757
6758 static int ipw2100_wx_get_freq(struct net_device *dev,
6759 struct iw_request_info *info,
6760 union iwreq_data *wrqu, char *extra)
6761 {
6762 /*
6763 * This can be called at any time. No action lock required
6764 */
6765
6766 struct ipw2100_priv *priv = libipw_priv(dev);
6767
6768 wrqu->freq.e = 0;
6769
6770 /* If we are associated, trying to associate, or have a statically
6771 * configured CHANNEL then return that; otherwise return ANY */
6772 if (priv->config & CFG_STATIC_CHANNEL ||
6773 priv->status & STATUS_ASSOCIATED)
6774 wrqu->freq.m = priv->channel;
6775 else
6776 wrqu->freq.m = 0;
6777
6778 IPW_DEBUG_WX("GET Freq/Channel -> %d\n", priv->channel);
6779 return 0;
6780
6781 }
6782
6783 static int ipw2100_wx_set_mode(struct net_device *dev,
6784 struct iw_request_info *info,
6785 union iwreq_data *wrqu, char *extra)
6786 {
6787 struct ipw2100_priv *priv = libipw_priv(dev);
6788 int err = 0;
6789
6790 IPW_DEBUG_WX("SET Mode -> %d\n", wrqu->mode);
6791
6792 if (wrqu->mode == priv->ieee->iw_mode)
6793 return 0;
6794
6795 mutex_lock(&priv->action_mutex);
6796 if (!(priv->status & STATUS_INITIALIZED)) {
6797 err = -EIO;
6798 goto done;
6799 }
6800
6801 switch (wrqu->mode) {
6802 #ifdef CONFIG_IPW2100_MONITOR
6803 case IW_MODE_MONITOR:
6804 err = ipw2100_switch_mode(priv, IW_MODE_MONITOR);
6805 break;
6806 #endif /* CONFIG_IPW2100_MONITOR */
6807 case IW_MODE_ADHOC:
6808 err = ipw2100_switch_mode(priv, IW_MODE_ADHOC);
6809 break;
6810 case IW_MODE_INFRA:
6811 case IW_MODE_AUTO:
6812 default:
6813 err = ipw2100_switch_mode(priv, IW_MODE_INFRA);
6814 break;
6815 }
6816
6817 done:
6818 mutex_unlock(&priv->action_mutex);
6819 return err;
6820 }
6821
6822 static int ipw2100_wx_get_mode(struct net_device *dev,
6823 struct iw_request_info *info,
6824 union iwreq_data *wrqu, char *extra)
6825 {
6826 /*
6827 * This can be called at any time. No action lock required
6828 */
6829
6830 struct ipw2100_priv *priv = libipw_priv(dev);
6831
6832 wrqu->mode = priv->ieee->iw_mode;
6833 IPW_DEBUG_WX("GET Mode -> %d\n", wrqu->mode);
6834
6835 return 0;
6836 }
6837
6838 #define POWER_MODES 5
6839
6840 /* Values are in microsecond */
6841 static const s32 timeout_duration[POWER_MODES] = {
6842 350000,
6843 250000,
6844 75000,
6845 37000,
6846 25000,
6847 };
6848
6849 static const s32 period_duration[POWER_MODES] = {
6850 400000,
6851 700000,
6852 1000000,
6853 1000000,
6854 1000000
6855 };
6856
6857 static int ipw2100_wx_get_range(struct net_device *dev,
6858 struct iw_request_info *info,
6859 union iwreq_data *wrqu, char *extra)
6860 {
6861 /*
6862 * This can be called at any time. No action lock required
6863 */
6864
6865 struct ipw2100_priv *priv = libipw_priv(dev);
6866 struct iw_range *range = (struct iw_range *)extra;
6867 u16 val;
6868 int i, level;
6869
6870 wrqu->data.length = sizeof(*range);
6871 memset(range, 0, sizeof(*range));
6872
6873 /* Let's try to keep this struct in the same order as in
6874 * linux/include/wireless.h
6875 */
6876
6877 /* TODO: See what values we can set, and remove the ones we can't
6878 * set, or fill them with some default data.
6879 */
6880
6881 /* ~5 Mb/s real (802.11b) */
6882 range->throughput = 5 * 1000 * 1000;
6883
6884 // range->sensitivity; /* signal level threshold range */
6885
6886 range->max_qual.qual = 100;
6887 /* TODO: Find real max RSSI and stick here */
6888 range->max_qual.level = 0;
6889 range->max_qual.noise = 0;
6890 range->max_qual.updated = 7; /* Updated all three */
6891
6892 range->avg_qual.qual = 70; /* > 8% missed beacons is 'bad' */
6893 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
6894 range->avg_qual.level = 20 + IPW2100_RSSI_TO_DBM;
6895 range->avg_qual.noise = 0;
6896 range->avg_qual.updated = 7; /* Updated all three */
6897
6898 range->num_bitrates = RATE_COUNT;
6899
6900 for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++) {
6901 range->bitrate[i] = ipw2100_rates_11b[i];
6902 }
6903
6904 range->min_rts = MIN_RTS_THRESHOLD;
6905 range->max_rts = MAX_RTS_THRESHOLD;
6906 range->min_frag = MIN_FRAG_THRESHOLD;
6907 range->max_frag = MAX_FRAG_THRESHOLD;
6908
6909 range->min_pmp = period_duration[0]; /* Minimal PM period */
6910 range->max_pmp = period_duration[POWER_MODES - 1]; /* Maximal PM period */
6911 range->min_pmt = timeout_duration[POWER_MODES - 1]; /* Minimal PM timeout */
6912 range->max_pmt = timeout_duration[0]; /* Maximal PM timeout */
6913
6914 /* How to decode max/min PM period */
6915 range->pmp_flags = IW_POWER_PERIOD;
6916 /* How to decode max/min PM period */
6917 range->pmt_flags = IW_POWER_TIMEOUT;
6918 /* What PM options are supported */
6919 range->pm_capa = IW_POWER_TIMEOUT | IW_POWER_PERIOD;
6920
6921 range->encoding_size[0] = 5;
6922 range->encoding_size[1] = 13; /* Different token sizes */
6923 range->num_encoding_sizes = 2; /* Number of entry in the list */
6924 range->max_encoding_tokens = WEP_KEYS; /* Max number of tokens */
6925 // range->encoding_login_index; /* token index for login token */
6926
6927 if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
6928 range->txpower_capa = IW_TXPOW_DBM;
6929 range->num_txpower = IW_MAX_TXPOWER;
6930 for (i = 0, level = (IPW_TX_POWER_MAX_DBM * 16);
6931 i < IW_MAX_TXPOWER;
6932 i++, level -=
6933 ((IPW_TX_POWER_MAX_DBM -
6934 IPW_TX_POWER_MIN_DBM) * 16) / (IW_MAX_TXPOWER - 1))
6935 range->txpower[i] = level / 16;
6936 } else {
6937 range->txpower_capa = 0;
6938 range->num_txpower = 0;
6939 }
6940
6941 /* Set the Wireless Extension versions */
6942 range->we_version_compiled = WIRELESS_EXT;
6943 range->we_version_source = 18;
6944
6945 // range->retry_capa; /* What retry options are supported */
6946 // range->retry_flags; /* How to decode max/min retry limit */
6947 // range->r_time_flags; /* How to decode max/min retry life */
6948 // range->min_retry; /* Minimal number of retries */
6949 // range->max_retry; /* Maximal number of retries */
6950 // range->min_r_time; /* Minimal retry lifetime */
6951 // range->max_r_time; /* Maximal retry lifetime */
6952
6953 range->num_channels = FREQ_COUNT;
6954
6955 val = 0;
6956 for (i = 0; i < FREQ_COUNT; i++) {
6957 // TODO: Include only legal frequencies for some countries
6958 // if (local->channel_mask & (1 << i)) {
6959 range->freq[val].i = i + 1;
6960 range->freq[val].m = ipw2100_frequencies[i] * 100000;
6961 range->freq[val].e = 1;
6962 val++;
6963 // }
6964 if (val == IW_MAX_FREQUENCIES)
6965 break;
6966 }
6967 range->num_frequency = val;
6968
6969 /* Event capability (kernel + driver) */
6970 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
6971 IW_EVENT_CAPA_MASK(SIOCGIWAP));
6972 range->event_capa[1] = IW_EVENT_CAPA_K_1;
6973
6974 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
6975 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
6976
6977 IPW_DEBUG_WX("GET Range\n");
6978
6979 return 0;
6980 }
6981
6982 static int ipw2100_wx_set_wap(struct net_device *dev,
6983 struct iw_request_info *info,
6984 union iwreq_data *wrqu, char *extra)
6985 {
6986 struct ipw2100_priv *priv = libipw_priv(dev);
6987 int err = 0;
6988
6989 static const unsigned char any[] = {
6990 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6991 };
6992 static const unsigned char off[] = {
6993 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
6994 };
6995
6996 // sanity checks
6997 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
6998 return -EINVAL;
6999
7000 mutex_lock(&priv->action_mutex);
7001 if (!(priv->status & STATUS_INITIALIZED)) {
7002 err = -EIO;
7003 goto done;
7004 }
7005
7006 if (!memcmp(any, wrqu->ap_addr.sa_data, ETH_ALEN) ||
7007 !memcmp(off, wrqu->ap_addr.sa_data, ETH_ALEN)) {
7008 /* we disable mandatory BSSID association */
7009 IPW_DEBUG_WX("exit - disable mandatory BSSID\n");
7010 priv->config &= ~CFG_STATIC_BSSID;
7011 err = ipw2100_set_mandatory_bssid(priv, NULL, 0);
7012 goto done;
7013 }
7014
7015 priv->config |= CFG_STATIC_BSSID;
7016 memcpy(priv->mandatory_bssid_mac, wrqu->ap_addr.sa_data, ETH_ALEN);
7017
7018 err = ipw2100_set_mandatory_bssid(priv, wrqu->ap_addr.sa_data, 0);
7019
7020 IPW_DEBUG_WX("SET BSSID -> %pM\n", wrqu->ap_addr.sa_data);
7021
7022 done:
7023 mutex_unlock(&priv->action_mutex);
7024 return err;
7025 }
7026
7027 static int ipw2100_wx_get_wap(struct net_device *dev,
7028 struct iw_request_info *info,
7029 union iwreq_data *wrqu, char *extra)
7030 {
7031 /*
7032 * This can be called at any time. No action lock required
7033 */
7034
7035 struct ipw2100_priv *priv = libipw_priv(dev);
7036
7037 /* If we are associated, trying to associate, or have a statically
7038 * configured BSSID then return that; otherwise return ANY */
7039 if (priv->config & CFG_STATIC_BSSID || priv->status & STATUS_ASSOCIATED) {
7040 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
7041 memcpy(wrqu->ap_addr.sa_data, priv->bssid, ETH_ALEN);
7042 } else
7043 memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
7044
7045 IPW_DEBUG_WX("Getting WAP BSSID: %pM\n", wrqu->ap_addr.sa_data);
7046 return 0;
7047 }
7048
7049 static int ipw2100_wx_set_essid(struct net_device *dev,
7050 struct iw_request_info *info,
7051 union iwreq_data *wrqu, char *extra)
7052 {
7053 struct ipw2100_priv *priv = libipw_priv(dev);
7054 char *essid = ""; /* ANY */
7055 int length = 0;
7056 int err = 0;
7057 DECLARE_SSID_BUF(ssid);
7058
7059 mutex_lock(&priv->action_mutex);
7060 if (!(priv->status & STATUS_INITIALIZED)) {
7061 err = -EIO;
7062 goto done;
7063 }
7064
7065 if (wrqu->essid.flags && wrqu->essid.length) {
7066 length = wrqu->essid.length;
7067 essid = extra;
7068 }
7069
7070 if (length == 0) {
7071 IPW_DEBUG_WX("Setting ESSID to ANY\n");
7072 priv->config &= ~CFG_STATIC_ESSID;
7073 err = ipw2100_set_essid(priv, NULL, 0, 0);
7074 goto done;
7075 }
7076
7077 length = min(length, IW_ESSID_MAX_SIZE);
7078
7079 priv->config |= CFG_STATIC_ESSID;
7080
7081 if (priv->essid_len == length && !memcmp(priv->essid, extra, length)) {
7082 IPW_DEBUG_WX("ESSID set to current ESSID.\n");
7083 err = 0;
7084 goto done;
7085 }
7086
7087 IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n",
7088 print_ssid(ssid, essid, length), length);
7089
7090 priv->essid_len = length;
7091 memcpy(priv->essid, essid, priv->essid_len);
7092
7093 err = ipw2100_set_essid(priv, essid, length, 0);
7094
7095 done:
7096 mutex_unlock(&priv->action_mutex);
7097 return err;
7098 }
7099
7100 static int ipw2100_wx_get_essid(struct net_device *dev,
7101 struct iw_request_info *info,
7102 union iwreq_data *wrqu, char *extra)
7103 {
7104 /*
7105 * This can be called at any time. No action lock required
7106 */
7107
7108 struct ipw2100_priv *priv = libipw_priv(dev);
7109 DECLARE_SSID_BUF(ssid);
7110
7111 /* If we are associated, trying to associate, or have a statically
7112 * configured ESSID then return that; otherwise return ANY */
7113 if (priv->config & CFG_STATIC_ESSID || priv->status & STATUS_ASSOCIATED) {
7114 IPW_DEBUG_WX("Getting essid: '%s'\n",
7115 print_ssid(ssid, priv->essid, priv->essid_len));
7116 memcpy(extra, priv->essid, priv->essid_len);
7117 wrqu->essid.length = priv->essid_len;
7118 wrqu->essid.flags = 1; /* active */
7119 } else {
7120 IPW_DEBUG_WX("Getting essid: ANY\n");
7121 wrqu->essid.length = 0;
7122 wrqu->essid.flags = 0; /* active */
7123 }
7124
7125 return 0;
7126 }
7127
7128 static int ipw2100_wx_set_nick(struct net_device *dev,
7129 struct iw_request_info *info,
7130 union iwreq_data *wrqu, char *extra)
7131 {
7132 /*
7133 * This can be called at any time. No action lock required
7134 */
7135
7136 struct ipw2100_priv *priv = libipw_priv(dev);
7137
7138 if (wrqu->data.length > IW_ESSID_MAX_SIZE)
7139 return -E2BIG;
7140
7141 wrqu->data.length = min((size_t) wrqu->data.length, sizeof(priv->nick));
7142 memset(priv->nick, 0, sizeof(priv->nick));
7143 memcpy(priv->nick, extra, wrqu->data.length);
7144
7145 IPW_DEBUG_WX("SET Nickname -> %s\n", priv->nick);
7146
7147 return 0;
7148 }
7149
7150 static int ipw2100_wx_get_nick(struct net_device *dev,
7151 struct iw_request_info *info,
7152 union iwreq_data *wrqu, char *extra)
7153 {
7154 /*
7155 * This can be called at any time. No action lock required
7156 */
7157
7158 struct ipw2100_priv *priv = libipw_priv(dev);
7159
7160 wrqu->data.length = strlen(priv->nick);
7161 memcpy(extra, priv->nick, wrqu->data.length);
7162 wrqu->data.flags = 1; /* active */
7163
7164 IPW_DEBUG_WX("GET Nickname -> %s\n", extra);
7165
7166 return 0;
7167 }
7168
7169 static int ipw2100_wx_set_rate(struct net_device *dev,
7170 struct iw_request_info *info,
7171 union iwreq_data *wrqu, char *extra)
7172 {
7173 struct ipw2100_priv *priv = libipw_priv(dev);
7174 u32 target_rate = wrqu->bitrate.value;
7175 u32 rate;
7176 int err = 0;
7177
7178 mutex_lock(&priv->action_mutex);
7179 if (!(priv->status & STATUS_INITIALIZED)) {
7180 err = -EIO;
7181 goto done;
7182 }
7183
7184 rate = 0;
7185
7186 if (target_rate == 1000000 ||
7187 (!wrqu->bitrate.fixed && target_rate > 1000000))
7188 rate |= TX_RATE_1_MBIT;
7189 if (target_rate == 2000000 ||
7190 (!wrqu->bitrate.fixed && target_rate > 2000000))
7191 rate |= TX_RATE_2_MBIT;
7192 if (target_rate == 5500000 ||
7193 (!wrqu->bitrate.fixed && target_rate > 5500000))
7194 rate |= TX_RATE_5_5_MBIT;
7195 if (target_rate == 11000000 ||
7196 (!wrqu->bitrate.fixed && target_rate > 11000000))
7197 rate |= TX_RATE_11_MBIT;
7198 if (rate == 0)
7199 rate = DEFAULT_TX_RATES;
7200
7201 err = ipw2100_set_tx_rates(priv, rate, 0);
7202
7203 IPW_DEBUG_WX("SET Rate -> %04X\n", rate);
7204 done:
7205 mutex_unlock(&priv->action_mutex);
7206 return err;
7207 }
7208
7209 static int ipw2100_wx_get_rate(struct net_device *dev,
7210 struct iw_request_info *info,
7211 union iwreq_data *wrqu, char *extra)
7212 {
7213 struct ipw2100_priv *priv = libipw_priv(dev);
7214 int val;
7215 unsigned int len = sizeof(val);
7216 int err = 0;
7217
7218 if (!(priv->status & STATUS_ENABLED) ||
7219 priv->status & STATUS_RF_KILL_MASK ||
7220 !(priv->status & STATUS_ASSOCIATED)) {
7221 wrqu->bitrate.value = 0;
7222 return 0;
7223 }
7224
7225 mutex_lock(&priv->action_mutex);
7226 if (!(priv->status & STATUS_INITIALIZED)) {
7227 err = -EIO;
7228 goto done;
7229 }
7230
7231 err = ipw2100_get_ordinal(priv, IPW_ORD_CURRENT_TX_RATE, &val, &len);
7232 if (err) {
7233 IPW_DEBUG_WX("failed querying ordinals.\n");
7234 goto done;
7235 }
7236
7237 switch (val & TX_RATE_MASK) {
7238 case TX_RATE_1_MBIT:
7239 wrqu->bitrate.value = 1000000;
7240 break;
7241 case TX_RATE_2_MBIT:
7242 wrqu->bitrate.value = 2000000;
7243 break;
7244 case TX_RATE_5_5_MBIT:
7245 wrqu->bitrate.value = 5500000;
7246 break;
7247 case TX_RATE_11_MBIT:
7248 wrqu->bitrate.value = 11000000;
7249 break;
7250 default:
7251 wrqu->bitrate.value = 0;
7252 }
7253
7254 IPW_DEBUG_WX("GET Rate -> %d\n", wrqu->bitrate.value);
7255
7256 done:
7257 mutex_unlock(&priv->action_mutex);
7258 return err;
7259 }
7260
7261 static int ipw2100_wx_set_rts(struct net_device *dev,
7262 struct iw_request_info *info,
7263 union iwreq_data *wrqu, char *extra)
7264 {
7265 struct ipw2100_priv *priv = libipw_priv(dev);
7266 int value, err;
7267
7268 /* Auto RTS not yet supported */
7269 if (wrqu->rts.fixed == 0)
7270 return -EINVAL;
7271
7272 mutex_lock(&priv->action_mutex);
7273 if (!(priv->status & STATUS_INITIALIZED)) {
7274 err = -EIO;
7275 goto done;
7276 }
7277
7278 if (wrqu->rts.disabled)
7279 value = priv->rts_threshold | RTS_DISABLED;
7280 else {
7281 if (wrqu->rts.value < 1 || wrqu->rts.value > 2304) {
7282 err = -EINVAL;
7283 goto done;
7284 }
7285 value = wrqu->rts.value;
7286 }
7287
7288 err = ipw2100_set_rts_threshold(priv, value);
7289
7290 IPW_DEBUG_WX("SET RTS Threshold -> 0x%08X\n", value);
7291 done:
7292 mutex_unlock(&priv->action_mutex);
7293 return err;
7294 }
7295
7296 static int ipw2100_wx_get_rts(struct net_device *dev,
7297 struct iw_request_info *info,
7298 union iwreq_data *wrqu, char *extra)
7299 {
7300 /*
7301 * This can be called at any time. No action lock required
7302 */
7303
7304 struct ipw2100_priv *priv = libipw_priv(dev);
7305
7306 wrqu->rts.value = priv->rts_threshold & ~RTS_DISABLED;
7307 wrqu->rts.fixed = 1; /* no auto select */
7308
7309 /* If RTS is set to the default value, then it is disabled */
7310 wrqu->rts.disabled = (priv->rts_threshold & RTS_DISABLED) ? 1 : 0;
7311
7312 IPW_DEBUG_WX("GET RTS Threshold -> 0x%08X\n", wrqu->rts.value);
7313
7314 return 0;
7315 }
7316
7317 static int ipw2100_wx_set_txpow(struct net_device *dev,
7318 struct iw_request_info *info,
7319 union iwreq_data *wrqu, char *extra)
7320 {
7321 struct ipw2100_priv *priv = libipw_priv(dev);
7322 int err = 0, value;
7323
7324 if (ipw_radio_kill_sw(priv, wrqu->txpower.disabled))
7325 return -EINPROGRESS;
7326
7327 if (priv->ieee->iw_mode != IW_MODE_ADHOC)
7328 return 0;
7329
7330 if ((wrqu->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
7331 return -EINVAL;
7332
7333 if (wrqu->txpower.fixed == 0)
7334 value = IPW_TX_POWER_DEFAULT;
7335 else {
7336 if (wrqu->txpower.value < IPW_TX_POWER_MIN_DBM ||
7337 wrqu->txpower.value > IPW_TX_POWER_MAX_DBM)
7338 return -EINVAL;
7339
7340 value = wrqu->txpower.value;
7341 }
7342
7343 mutex_lock(&priv->action_mutex);
7344 if (!(priv->status & STATUS_INITIALIZED)) {
7345 err = -EIO;
7346 goto done;
7347 }
7348
7349 err = ipw2100_set_tx_power(priv, value);
7350
7351 IPW_DEBUG_WX("SET TX Power -> %d\n", value);
7352
7353 done:
7354 mutex_unlock(&priv->action_mutex);
7355 return err;
7356 }
7357
7358 static int ipw2100_wx_get_txpow(struct net_device *dev,
7359 struct iw_request_info *info,
7360 union iwreq_data *wrqu, char *extra)
7361 {
7362 /*
7363 * This can be called at any time. No action lock required
7364 */
7365
7366 struct ipw2100_priv *priv = libipw_priv(dev);
7367
7368 wrqu->txpower.disabled = (priv->status & STATUS_RF_KILL_MASK) ? 1 : 0;
7369
7370 if (priv->tx_power == IPW_TX_POWER_DEFAULT) {
7371 wrqu->txpower.fixed = 0;
7372 wrqu->txpower.value = IPW_TX_POWER_MAX_DBM;
7373 } else {
7374 wrqu->txpower.fixed = 1;
7375 wrqu->txpower.value = priv->tx_power;
7376 }
7377
7378 wrqu->txpower.flags = IW_TXPOW_DBM;
7379
7380 IPW_DEBUG_WX("GET TX Power -> %d\n", wrqu->txpower.value);
7381
7382 return 0;
7383 }
7384
7385 static int ipw2100_wx_set_frag(struct net_device *dev,
7386 struct iw_request_info *info,
7387 union iwreq_data *wrqu, char *extra)
7388 {
7389 /*
7390 * This can be called at any time. No action lock required
7391 */
7392
7393 struct ipw2100_priv *priv = libipw_priv(dev);
7394
7395 if (!wrqu->frag.fixed)
7396 return -EINVAL;
7397
7398 if (wrqu->frag.disabled) {
7399 priv->frag_threshold |= FRAG_DISABLED;
7400 priv->ieee->fts = DEFAULT_FTS;
7401 } else {
7402 if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
7403 wrqu->frag.value > MAX_FRAG_THRESHOLD)
7404 return -EINVAL;
7405
7406 priv->ieee->fts = wrqu->frag.value & ~0x1;
7407 priv->frag_threshold = priv->ieee->fts;
7408 }
7409
7410 IPW_DEBUG_WX("SET Frag Threshold -> %d\n", priv->ieee->fts);
7411
7412 return 0;
7413 }
7414
7415 static int ipw2100_wx_get_frag(struct net_device *dev,
7416 struct iw_request_info *info,
7417 union iwreq_data *wrqu, char *extra)
7418 {
7419 /*
7420 * This can be called at any time. No action lock required
7421 */
7422
7423 struct ipw2100_priv *priv = libipw_priv(dev);
7424 wrqu->frag.value = priv->frag_threshold & ~FRAG_DISABLED;
7425 wrqu->frag.fixed = 0; /* no auto select */
7426 wrqu->frag.disabled = (priv->frag_threshold & FRAG_DISABLED) ? 1 : 0;
7427
7428 IPW_DEBUG_WX("GET Frag Threshold -> %d\n", wrqu->frag.value);
7429
7430 return 0;
7431 }
7432
7433 static int ipw2100_wx_set_retry(struct net_device *dev,
7434 struct iw_request_info *info,
7435 union iwreq_data *wrqu, char *extra)
7436 {
7437 struct ipw2100_priv *priv = libipw_priv(dev);
7438 int err = 0;
7439
7440 if (wrqu->retry.flags & IW_RETRY_LIFETIME || wrqu->retry.disabled)
7441 return -EINVAL;
7442
7443 if (!(wrqu->retry.flags & IW_RETRY_LIMIT))
7444 return 0;
7445
7446 mutex_lock(&priv->action_mutex);
7447 if (!(priv->status & STATUS_INITIALIZED)) {
7448 err = -EIO;
7449 goto done;
7450 }
7451
7452 if (wrqu->retry.flags & IW_RETRY_SHORT) {
7453 err = ipw2100_set_short_retry(priv, wrqu->retry.value);
7454 IPW_DEBUG_WX("SET Short Retry Limit -> %d\n",
7455 wrqu->retry.value);
7456 goto done;
7457 }
7458
7459 if (wrqu->retry.flags & IW_RETRY_LONG) {
7460 err = ipw2100_set_long_retry(priv, wrqu->retry.value);
7461 IPW_DEBUG_WX("SET Long Retry Limit -> %d\n",
7462 wrqu->retry.value);
7463 goto done;
7464 }
7465
7466 err = ipw2100_set_short_retry(priv, wrqu->retry.value);
7467 if (!err)
7468 err = ipw2100_set_long_retry(priv, wrqu->retry.value);
7469
7470 IPW_DEBUG_WX("SET Both Retry Limits -> %d\n", wrqu->retry.value);
7471
7472 done:
7473 mutex_unlock(&priv->action_mutex);
7474 return err;
7475 }
7476
7477 static int ipw2100_wx_get_retry(struct net_device *dev,
7478 struct iw_request_info *info,
7479 union iwreq_data *wrqu, char *extra)
7480 {
7481 /*
7482 * This can be called at any time. No action lock required
7483 */
7484
7485 struct ipw2100_priv *priv = libipw_priv(dev);
7486
7487 wrqu->retry.disabled = 0; /* can't be disabled */
7488
7489 if ((wrqu->retry.flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME)
7490 return -EINVAL;
7491
7492 if (wrqu->retry.flags & IW_RETRY_LONG) {
7493 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
7494 wrqu->retry.value = priv->long_retry_limit;
7495 } else {
7496 wrqu->retry.flags =
7497 (priv->short_retry_limit !=
7498 priv->long_retry_limit) ?
7499 IW_RETRY_LIMIT | IW_RETRY_SHORT : IW_RETRY_LIMIT;
7500
7501 wrqu->retry.value = priv->short_retry_limit;
7502 }
7503
7504 IPW_DEBUG_WX("GET Retry -> %d\n", wrqu->retry.value);
7505
7506 return 0;
7507 }
7508
7509 static int ipw2100_wx_set_scan(struct net_device *dev,
7510 struct iw_request_info *info,
7511 union iwreq_data *wrqu, char *extra)
7512 {
7513 struct ipw2100_priv *priv = libipw_priv(dev);
7514 int err = 0;
7515
7516 mutex_lock(&priv->action_mutex);
7517 if (!(priv->status & STATUS_INITIALIZED)) {
7518 err = -EIO;
7519 goto done;
7520 }
7521
7522 IPW_DEBUG_WX("Initiating scan...\n");
7523
7524 priv->user_requested_scan = 1;
7525 if (ipw2100_set_scan_options(priv) || ipw2100_start_scan(priv)) {
7526 IPW_DEBUG_WX("Start scan failed.\n");
7527
7528 /* TODO: Mark a scan as pending so when hardware initialized
7529 * a scan starts */
7530 }
7531
7532 done:
7533 mutex_unlock(&priv->action_mutex);
7534 return err;
7535 }
7536
7537 static int ipw2100_wx_get_scan(struct net_device *dev,
7538 struct iw_request_info *info,
7539 union iwreq_data *wrqu, char *extra)
7540 {
7541 /*
7542 * This can be called at any time. No action lock required
7543 */
7544
7545 struct ipw2100_priv *priv = libipw_priv(dev);
7546 return libipw_wx_get_scan(priv->ieee, info, wrqu, extra);
7547 }
7548
7549 /*
7550 * Implementation based on code in hostap-driver v0.1.3 hostap_ioctl.c
7551 */
7552 static int ipw2100_wx_set_encode(struct net_device *dev,
7553 struct iw_request_info *info,
7554 union iwreq_data *wrqu, char *key)
7555 {
7556 /*
7557 * No check of STATUS_INITIALIZED required
7558 */
7559
7560 struct ipw2100_priv *priv = libipw_priv(dev);
7561 return libipw_wx_set_encode(priv->ieee, info, wrqu, key);
7562 }
7563
7564 static int ipw2100_wx_get_encode(struct net_device *dev,
7565 struct iw_request_info *info,
7566 union iwreq_data *wrqu, char *key)
7567 {
7568 /*
7569 * This can be called at any time. No action lock required
7570 */
7571
7572 struct ipw2100_priv *priv = libipw_priv(dev);
7573 return libipw_wx_get_encode(priv->ieee, info, wrqu, key);
7574 }
7575
7576 static int ipw2100_wx_set_power(struct net_device *dev,
7577 struct iw_request_info *info,
7578 union iwreq_data *wrqu, char *extra)
7579 {
7580 struct ipw2100_priv *priv = libipw_priv(dev);
7581 int err = 0;
7582
7583 mutex_lock(&priv->action_mutex);
7584 if (!(priv->status & STATUS_INITIALIZED)) {
7585 err = -EIO;
7586 goto done;
7587 }
7588
7589 if (wrqu->power.disabled) {
7590 priv->power_mode = IPW_POWER_LEVEL(priv->power_mode);
7591 err = ipw2100_set_power_mode(priv, IPW_POWER_MODE_CAM);
7592 IPW_DEBUG_WX("SET Power Management Mode -> off\n");
7593 goto done;
7594 }
7595
7596 switch (wrqu->power.flags & IW_POWER_MODE) {
7597 case IW_POWER_ON: /* If not specified */
7598 case IW_POWER_MODE: /* If set all mask */
7599 case IW_POWER_ALL_R: /* If explicitly state all */
7600 break;
7601 default: /* Otherwise we don't support it */
7602 IPW_DEBUG_WX("SET PM Mode: %X not supported.\n",
7603 wrqu->power.flags);
7604 err = -EOPNOTSUPP;
7605 goto done;
7606 }
7607
7608 /* If the user hasn't specified a power management mode yet, default
7609 * to BATTERY */
7610 priv->power_mode = IPW_POWER_ENABLED | priv->power_mode;
7611 err = ipw2100_set_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode));
7612
7613 IPW_DEBUG_WX("SET Power Management Mode -> 0x%02X\n", priv->power_mode);
7614
7615 done:
7616 mutex_unlock(&priv->action_mutex);
7617 return err;
7618
7619 }
7620
7621 static int ipw2100_wx_get_power(struct net_device *dev,
7622 struct iw_request_info *info,
7623 union iwreq_data *wrqu, char *extra)
7624 {
7625 /*
7626 * This can be called at any time. No action lock required
7627 */
7628
7629 struct ipw2100_priv *priv = libipw_priv(dev);
7630
7631 if (!(priv->power_mode & IPW_POWER_ENABLED))
7632 wrqu->power.disabled = 1;
7633 else {
7634 wrqu->power.disabled = 0;
7635 wrqu->power.flags = 0;
7636 }
7637
7638 IPW_DEBUG_WX("GET Power Management Mode -> %02X\n", priv->power_mode);
7639
7640 return 0;
7641 }
7642
7643 /*
7644 * WE-18 WPA support
7645 */
7646
7647 /* SIOCSIWGENIE */
7648 static int ipw2100_wx_set_genie(struct net_device *dev,
7649 struct iw_request_info *info,
7650 union iwreq_data *wrqu, char *extra)
7651 {
7652
7653 struct ipw2100_priv *priv = libipw_priv(dev);
7654 struct libipw_device *ieee = priv->ieee;
7655 u8 *buf;
7656
7657 if (!ieee->wpa_enabled)
7658 return -EOPNOTSUPP;
7659
7660 if (wrqu->data.length > MAX_WPA_IE_LEN ||
7661 (wrqu->data.length && extra == NULL))
7662 return -EINVAL;
7663
7664 if (wrqu->data.length) {
7665 buf = kmemdup(extra, wrqu->data.length, GFP_KERNEL);
7666 if (buf == NULL)
7667 return -ENOMEM;
7668
7669 kfree(ieee->wpa_ie);
7670 ieee->wpa_ie = buf;
7671 ieee->wpa_ie_len = wrqu->data.length;
7672 } else {
7673 kfree(ieee->wpa_ie);
7674 ieee->wpa_ie = NULL;
7675 ieee->wpa_ie_len = 0;
7676 }
7677
7678 ipw2100_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len);
7679
7680 return 0;
7681 }
7682
7683 /* SIOCGIWGENIE */
7684 static int ipw2100_wx_get_genie(struct net_device *dev,
7685 struct iw_request_info *info,
7686 union iwreq_data *wrqu, char *extra)
7687 {
7688 struct ipw2100_priv *priv = libipw_priv(dev);
7689 struct libipw_device *ieee = priv->ieee;
7690
7691 if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) {
7692 wrqu->data.length = 0;
7693 return 0;
7694 }
7695
7696 if (wrqu->data.length < ieee->wpa_ie_len)
7697 return -E2BIG;
7698
7699 wrqu->data.length = ieee->wpa_ie_len;
7700 memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len);
7701
7702 return 0;
7703 }
7704
7705 /* SIOCSIWAUTH */
7706 static int ipw2100_wx_set_auth(struct net_device *dev,
7707 struct iw_request_info *info,
7708 union iwreq_data *wrqu, char *extra)
7709 {
7710 struct ipw2100_priv *priv = libipw_priv(dev);
7711 struct libipw_device *ieee = priv->ieee;
7712 struct iw_param *param = &wrqu->param;
7713 struct lib80211_crypt_data *crypt;
7714 unsigned long flags;
7715 int ret = 0;
7716
7717 switch (param->flags & IW_AUTH_INDEX) {
7718 case IW_AUTH_WPA_VERSION:
7719 case IW_AUTH_CIPHER_PAIRWISE:
7720 case IW_AUTH_CIPHER_GROUP:
7721 case IW_AUTH_KEY_MGMT:
7722 /*
7723 * ipw2200 does not use these parameters
7724 */
7725 break;
7726
7727 case IW_AUTH_TKIP_COUNTERMEASURES:
7728 crypt = priv->ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx];
7729 if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags)
7730 break;
7731
7732 flags = crypt->ops->get_flags(crypt->priv);
7733
7734 if (param->value)
7735 flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
7736 else
7737 flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
7738
7739 crypt->ops->set_flags(flags, crypt->priv);
7740
7741 break;
7742
7743 case IW_AUTH_DROP_UNENCRYPTED:{
7744 /* HACK:
7745 *
7746 * wpa_supplicant calls set_wpa_enabled when the driver
7747 * is loaded and unloaded, regardless of if WPA is being
7748 * used. No other calls are made which can be used to
7749 * determine if encryption will be used or not prior to
7750 * association being expected. If encryption is not being
7751 * used, drop_unencrypted is set to false, else true -- we
7752 * can use this to determine if the CAP_PRIVACY_ON bit should
7753 * be set.
7754 */
7755 struct libipw_security sec = {
7756 .flags = SEC_ENABLED,
7757 .enabled = param->value,
7758 };
7759 priv->ieee->drop_unencrypted = param->value;
7760 /* We only change SEC_LEVEL for open mode. Others
7761 * are set by ipw_wpa_set_encryption.
7762 */
7763 if (!param->value) {
7764 sec.flags |= SEC_LEVEL;
7765 sec.level = SEC_LEVEL_0;
7766 } else {
7767 sec.flags |= SEC_LEVEL;
7768 sec.level = SEC_LEVEL_1;
7769 }
7770 if (priv->ieee->set_security)
7771 priv->ieee->set_security(priv->ieee->dev, &sec);
7772 break;
7773 }
7774
7775 case IW_AUTH_80211_AUTH_ALG:
7776 ret = ipw2100_wpa_set_auth_algs(priv, param->value);
7777 break;
7778
7779 case IW_AUTH_WPA_ENABLED:
7780 ret = ipw2100_wpa_enable(priv, param->value);
7781 break;
7782
7783 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
7784 ieee->ieee802_1x = param->value;
7785 break;
7786
7787 //case IW_AUTH_ROAMING_CONTROL:
7788 case IW_AUTH_PRIVACY_INVOKED:
7789 ieee->privacy_invoked = param->value;
7790 break;
7791
7792 default:
7793 return -EOPNOTSUPP;
7794 }
7795 return ret;
7796 }
7797
7798 /* SIOCGIWAUTH */
7799 static int ipw2100_wx_get_auth(struct net_device *dev,
7800 struct iw_request_info *info,
7801 union iwreq_data *wrqu, char *extra)
7802 {
7803 struct ipw2100_priv *priv = libipw_priv(dev);
7804 struct libipw_device *ieee = priv->ieee;
7805 struct lib80211_crypt_data *crypt;
7806 struct iw_param *param = &wrqu->param;
7807 int ret = 0;
7808
7809 switch (param->flags & IW_AUTH_INDEX) {
7810 case IW_AUTH_WPA_VERSION:
7811 case IW_AUTH_CIPHER_PAIRWISE:
7812 case IW_AUTH_CIPHER_GROUP:
7813 case IW_AUTH_KEY_MGMT:
7814 /*
7815 * wpa_supplicant will control these internally
7816 */
7817 ret = -EOPNOTSUPP;
7818 break;
7819
7820 case IW_AUTH_TKIP_COUNTERMEASURES:
7821 crypt = priv->ieee->crypt_info.crypt[priv->ieee->crypt_info.tx_keyidx];
7822 if (!crypt || !crypt->ops->get_flags) {
7823 IPW_DEBUG_WARNING("Can't get TKIP countermeasures: "
7824 "crypt not set!\n");
7825 break;
7826 }
7827
7828 param->value = (crypt->ops->get_flags(crypt->priv) &
7829 IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) ? 1 : 0;
7830
7831 break;
7832
7833 case IW_AUTH_DROP_UNENCRYPTED:
7834 param->value = ieee->drop_unencrypted;
7835 break;
7836
7837 case IW_AUTH_80211_AUTH_ALG:
7838 param->value = priv->ieee->sec.auth_mode;
7839 break;
7840
7841 case IW_AUTH_WPA_ENABLED:
7842 param->value = ieee->wpa_enabled;
7843 break;
7844
7845 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
7846 param->value = ieee->ieee802_1x;
7847 break;
7848
7849 case IW_AUTH_ROAMING_CONTROL:
7850 case IW_AUTH_PRIVACY_INVOKED:
7851 param->value = ieee->privacy_invoked;
7852 break;
7853
7854 default:
7855 return -EOPNOTSUPP;
7856 }
7857 return 0;
7858 }
7859
7860 /* SIOCSIWENCODEEXT */
7861 static int ipw2100_wx_set_encodeext(struct net_device *dev,
7862 struct iw_request_info *info,
7863 union iwreq_data *wrqu, char *extra)
7864 {
7865 struct ipw2100_priv *priv = libipw_priv(dev);
7866 return libipw_wx_set_encodeext(priv->ieee, info, wrqu, extra);
7867 }
7868
7869 /* SIOCGIWENCODEEXT */
7870 static int ipw2100_wx_get_encodeext(struct net_device *dev,
7871 struct iw_request_info *info,
7872 union iwreq_data *wrqu, char *extra)
7873 {
7874 struct ipw2100_priv *priv = libipw_priv(dev);
7875 return libipw_wx_get_encodeext(priv->ieee, info, wrqu, extra);
7876 }
7877
7878 /* SIOCSIWMLME */
7879 static int ipw2100_wx_set_mlme(struct net_device *dev,
7880 struct iw_request_info *info,
7881 union iwreq_data *wrqu, char *extra)
7882 {
7883 struct ipw2100_priv *priv = libipw_priv(dev);
7884 struct iw_mlme *mlme = (struct iw_mlme *)extra;
7885 __le16 reason;
7886
7887 reason = cpu_to_le16(mlme->reason_code);
7888
7889 switch (mlme->cmd) {
7890 case IW_MLME_DEAUTH:
7891 // silently ignore
7892 break;
7893
7894 case IW_MLME_DISASSOC:
7895 ipw2100_disassociate_bssid(priv);
7896 break;
7897
7898 default:
7899 return -EOPNOTSUPP;
7900 }
7901 return 0;
7902 }
7903
7904 /*
7905 *
7906 * IWPRIV handlers
7907 *
7908 */
7909 #ifdef CONFIG_IPW2100_MONITOR
7910 static int ipw2100_wx_set_promisc(struct net_device *dev,
7911 struct iw_request_info *info,
7912 union iwreq_data *wrqu, char *extra)
7913 {
7914 struct ipw2100_priv *priv = libipw_priv(dev);
7915 int *parms = (int *)extra;
7916 int enable = (parms[0] > 0);
7917 int err = 0;
7918
7919 mutex_lock(&priv->action_mutex);
7920 if (!(priv->status & STATUS_INITIALIZED)) {
7921 err = -EIO;
7922 goto done;
7923 }
7924
7925 if (enable) {
7926 if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
7927 err = ipw2100_set_channel(priv, parms[1], 0);
7928 goto done;
7929 }
7930 priv->channel = parms[1];
7931 err = ipw2100_switch_mode(priv, IW_MODE_MONITOR);
7932 } else {
7933 if (priv->ieee->iw_mode == IW_MODE_MONITOR)
7934 err = ipw2100_switch_mode(priv, priv->last_mode);
7935 }
7936 done:
7937 mutex_unlock(&priv->action_mutex);
7938 return err;
7939 }
7940
7941 static int ipw2100_wx_reset(struct net_device *dev,
7942 struct iw_request_info *info,
7943 union iwreq_data *wrqu, char *extra)
7944 {
7945 struct ipw2100_priv *priv = libipw_priv(dev);
7946 if (priv->status & STATUS_INITIALIZED)
7947 schedule_reset(priv);
7948 return 0;
7949 }
7950
7951 #endif
7952
7953 static int ipw2100_wx_set_powermode(struct net_device *dev,
7954 struct iw_request_info *info,
7955 union iwreq_data *wrqu, char *extra)
7956 {
7957 struct ipw2100_priv *priv = libipw_priv(dev);
7958 int err = 0, mode = *(int *)extra;
7959
7960 mutex_lock(&priv->action_mutex);
7961 if (!(priv->status & STATUS_INITIALIZED)) {
7962 err = -EIO;
7963 goto done;
7964 }
7965
7966 if ((mode < 0) || (mode > POWER_MODES))
7967 mode = IPW_POWER_AUTO;
7968
7969 if (IPW_POWER_LEVEL(priv->power_mode) != mode)
7970 err = ipw2100_set_power_mode(priv, mode);
7971 done:
7972 mutex_unlock(&priv->action_mutex);
7973 return err;
7974 }
7975
7976 #define MAX_POWER_STRING 80
7977 static int ipw2100_wx_get_powermode(struct net_device *dev,
7978 struct iw_request_info *info,
7979 union iwreq_data *wrqu, char *extra)
7980 {
7981 /*
7982 * This can be called at any time. No action lock required
7983 */
7984
7985 struct ipw2100_priv *priv = libipw_priv(dev);
7986 int level = IPW_POWER_LEVEL(priv->power_mode);
7987 s32 timeout, period;
7988
7989 if (!(priv->power_mode & IPW_POWER_ENABLED)) {
7990 snprintf(extra, MAX_POWER_STRING,
7991 "Power save level: %d (Off)", level);
7992 } else {
7993 switch (level) {
7994 case IPW_POWER_MODE_CAM:
7995 snprintf(extra, MAX_POWER_STRING,
7996 "Power save level: %d (None)", level);
7997 break;
7998 case IPW_POWER_AUTO:
7999 snprintf(extra, MAX_POWER_STRING,
8000 "Power save level: %d (Auto)", level);
8001 break;
8002 default:
8003 timeout = timeout_duration[level - 1] / 1000;
8004 period = period_duration[level - 1] / 1000;
8005 snprintf(extra, MAX_POWER_STRING,
8006 "Power save level: %d "
8007 "(Timeout %dms, Period %dms)",
8008 level, timeout, period);
8009 }
8010 }
8011
8012 wrqu->data.length = strlen(extra) + 1;
8013
8014 return 0;
8015 }
8016
8017 static int ipw2100_wx_set_preamble(struct net_device *dev,
8018 struct iw_request_info *info,
8019 union iwreq_data *wrqu, char *extra)
8020 {
8021 struct ipw2100_priv *priv = libipw_priv(dev);
8022 int err, mode = *(int *)extra;
8023
8024 mutex_lock(&priv->action_mutex);
8025 if (!(priv->status & STATUS_INITIALIZED)) {
8026 err = -EIO;
8027 goto done;
8028 }
8029
8030 if (mode == 1)
8031 priv->config |= CFG_LONG_PREAMBLE;
8032 else if (mode == 0)
8033 priv->config &= ~CFG_LONG_PREAMBLE;
8034 else {
8035 err = -EINVAL;
8036 goto done;
8037 }
8038
8039 err = ipw2100_system_config(priv, 0);
8040
8041 done:
8042 mutex_unlock(&priv->action_mutex);
8043 return err;
8044 }
8045
8046 static int ipw2100_wx_get_preamble(struct net_device *dev,
8047 struct iw_request_info *info,
8048 union iwreq_data *wrqu, char *extra)
8049 {
8050 /*
8051 * This can be called at any time. No action lock required
8052 */
8053
8054 struct ipw2100_priv *priv = libipw_priv(dev);
8055
8056 if (priv->config & CFG_LONG_PREAMBLE)
8057 snprintf(wrqu->name, IFNAMSIZ, "long (1)");
8058 else
8059 snprintf(wrqu->name, IFNAMSIZ, "auto (0)");
8060
8061 return 0;
8062 }
8063
8064 #ifdef CONFIG_IPW2100_MONITOR
8065 static int ipw2100_wx_set_crc_check(struct net_device *dev,
8066 struct iw_request_info *info,
8067 union iwreq_data *wrqu, char *extra)
8068 {
8069 struct ipw2100_priv *priv = libipw_priv(dev);
8070 int err, mode = *(int *)extra;
8071
8072 mutex_lock(&priv->action_mutex);
8073 if (!(priv->status & STATUS_INITIALIZED)) {
8074 err = -EIO;
8075 goto done;
8076 }
8077
8078 if (mode == 1)
8079 priv->config |= CFG_CRC_CHECK;
8080 else if (mode == 0)
8081 priv->config &= ~CFG_CRC_CHECK;
8082 else {
8083 err = -EINVAL;
8084 goto done;
8085 }
8086 err = 0;
8087
8088 done:
8089 mutex_unlock(&priv->action_mutex);
8090 return err;
8091 }
8092
8093 static int ipw2100_wx_get_crc_check(struct net_device *dev,
8094 struct iw_request_info *info,
8095 union iwreq_data *wrqu, char *extra)
8096 {
8097 /*
8098 * This can be called at any time. No action lock required
8099 */
8100
8101 struct ipw2100_priv *priv = libipw_priv(dev);
8102
8103 if (priv->config & CFG_CRC_CHECK)
8104 snprintf(wrqu->name, IFNAMSIZ, "CRC checked (1)");
8105 else
8106 snprintf(wrqu->name, IFNAMSIZ, "CRC ignored (0)");
8107
8108 return 0;
8109 }
8110 #endif /* CONFIG_IPW2100_MONITOR */
8111
8112 static iw_handler ipw2100_wx_handlers[] = {
8113 NULL, /* SIOCSIWCOMMIT */
8114 ipw2100_wx_get_name, /* SIOCGIWNAME */
8115 NULL, /* SIOCSIWNWID */
8116 NULL, /* SIOCGIWNWID */
8117 ipw2100_wx_set_freq, /* SIOCSIWFREQ */
8118 ipw2100_wx_get_freq, /* SIOCGIWFREQ */
8119 ipw2100_wx_set_mode, /* SIOCSIWMODE */
8120 ipw2100_wx_get_mode, /* SIOCGIWMODE */
8121 NULL, /* SIOCSIWSENS */
8122 NULL, /* SIOCGIWSENS */
8123 NULL, /* SIOCSIWRANGE */
8124 ipw2100_wx_get_range, /* SIOCGIWRANGE */
8125 NULL, /* SIOCSIWPRIV */
8126 NULL, /* SIOCGIWPRIV */
8127 NULL, /* SIOCSIWSTATS */
8128 NULL, /* SIOCGIWSTATS */
8129 NULL, /* SIOCSIWSPY */
8130 NULL, /* SIOCGIWSPY */
8131 NULL, /* SIOCGIWTHRSPY */
8132 NULL, /* SIOCWIWTHRSPY */
8133 ipw2100_wx_set_wap, /* SIOCSIWAP */
8134 ipw2100_wx_get_wap, /* SIOCGIWAP */
8135 ipw2100_wx_set_mlme, /* SIOCSIWMLME */
8136 NULL, /* SIOCGIWAPLIST -- deprecated */
8137 ipw2100_wx_set_scan, /* SIOCSIWSCAN */
8138 ipw2100_wx_get_scan, /* SIOCGIWSCAN */
8139 ipw2100_wx_set_essid, /* SIOCSIWESSID */
8140 ipw2100_wx_get_essid, /* SIOCGIWESSID */
8141 ipw2100_wx_set_nick, /* SIOCSIWNICKN */
8142 ipw2100_wx_get_nick, /* SIOCGIWNICKN */
8143 NULL, /* -- hole -- */
8144 NULL, /* -- hole -- */
8145 ipw2100_wx_set_rate, /* SIOCSIWRATE */
8146 ipw2100_wx_get_rate, /* SIOCGIWRATE */
8147 ipw2100_wx_set_rts, /* SIOCSIWRTS */
8148 ipw2100_wx_get_rts, /* SIOCGIWRTS */
8149 ipw2100_wx_set_frag, /* SIOCSIWFRAG */
8150 ipw2100_wx_get_frag, /* SIOCGIWFRAG */
8151 ipw2100_wx_set_txpow, /* SIOCSIWTXPOW */
8152 ipw2100_wx_get_txpow, /* SIOCGIWTXPOW */
8153 ipw2100_wx_set_retry, /* SIOCSIWRETRY */
8154 ipw2100_wx_get_retry, /* SIOCGIWRETRY */
8155 ipw2100_wx_set_encode, /* SIOCSIWENCODE */
8156 ipw2100_wx_get_encode, /* SIOCGIWENCODE */
8157 ipw2100_wx_set_power, /* SIOCSIWPOWER */
8158 ipw2100_wx_get_power, /* SIOCGIWPOWER */
8159 NULL, /* -- hole -- */
8160 NULL, /* -- hole -- */
8161 ipw2100_wx_set_genie, /* SIOCSIWGENIE */
8162 ipw2100_wx_get_genie, /* SIOCGIWGENIE */
8163 ipw2100_wx_set_auth, /* SIOCSIWAUTH */
8164 ipw2100_wx_get_auth, /* SIOCGIWAUTH */
8165 ipw2100_wx_set_encodeext, /* SIOCSIWENCODEEXT */
8166 ipw2100_wx_get_encodeext, /* SIOCGIWENCODEEXT */
8167 NULL, /* SIOCSIWPMKSA */
8168 };
8169
8170 #define IPW2100_PRIV_SET_MONITOR SIOCIWFIRSTPRIV
8171 #define IPW2100_PRIV_RESET SIOCIWFIRSTPRIV+1
8172 #define IPW2100_PRIV_SET_POWER SIOCIWFIRSTPRIV+2
8173 #define IPW2100_PRIV_GET_POWER SIOCIWFIRSTPRIV+3
8174 #define IPW2100_PRIV_SET_LONGPREAMBLE SIOCIWFIRSTPRIV+4
8175 #define IPW2100_PRIV_GET_LONGPREAMBLE SIOCIWFIRSTPRIV+5
8176 #define IPW2100_PRIV_SET_CRC_CHECK SIOCIWFIRSTPRIV+6
8177 #define IPW2100_PRIV_GET_CRC_CHECK SIOCIWFIRSTPRIV+7
8178
8179 static const struct iw_priv_args ipw2100_private_args[] = {
8180
8181 #ifdef CONFIG_IPW2100_MONITOR
8182 {
8183 IPW2100_PRIV_SET_MONITOR,
8184 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "monitor"},
8185 {
8186 IPW2100_PRIV_RESET,
8187 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 0, 0, "reset"},
8188 #endif /* CONFIG_IPW2100_MONITOR */
8189
8190 {
8191 IPW2100_PRIV_SET_POWER,
8192 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_power"},
8193 {
8194 IPW2100_PRIV_GET_POWER,
8195 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_POWER_STRING,
8196 "get_power"},
8197 {
8198 IPW2100_PRIV_SET_LONGPREAMBLE,
8199 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble"},
8200 {
8201 IPW2100_PRIV_GET_LONGPREAMBLE,
8202 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | IFNAMSIZ, "get_preamble"},
8203 #ifdef CONFIG_IPW2100_MONITOR
8204 {
8205 IPW2100_PRIV_SET_CRC_CHECK,
8206 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_crc_check"},
8207 {
8208 IPW2100_PRIV_GET_CRC_CHECK,
8209 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | IFNAMSIZ, "get_crc_check"},
8210 #endif /* CONFIG_IPW2100_MONITOR */
8211 };
8212
8213 static iw_handler ipw2100_private_handler[] = {
8214 #ifdef CONFIG_IPW2100_MONITOR
8215 ipw2100_wx_set_promisc,
8216 ipw2100_wx_reset,
8217 #else /* CONFIG_IPW2100_MONITOR */
8218 NULL,
8219 NULL,
8220 #endif /* CONFIG_IPW2100_MONITOR */
8221 ipw2100_wx_set_powermode,
8222 ipw2100_wx_get_powermode,
8223 ipw2100_wx_set_preamble,
8224 ipw2100_wx_get_preamble,
8225 #ifdef CONFIG_IPW2100_MONITOR
8226 ipw2100_wx_set_crc_check,
8227 ipw2100_wx_get_crc_check,
8228 #else /* CONFIG_IPW2100_MONITOR */
8229 NULL,
8230 NULL,
8231 #endif /* CONFIG_IPW2100_MONITOR */
8232 };
8233
8234 /*
8235 * Get wireless statistics.
8236 * Called by /proc/net/wireless
8237 * Also called by SIOCGIWSTATS
8238 */
8239 static struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device *dev)
8240 {
8241 enum {
8242 POOR = 30,
8243 FAIR = 60,
8244 GOOD = 80,
8245 VERY_GOOD = 90,
8246 EXCELLENT = 95,
8247 PERFECT = 100
8248 };
8249 int rssi_qual;
8250 int tx_qual;
8251 int beacon_qual;
8252 int quality;
8253
8254 struct ipw2100_priv *priv = libipw_priv(dev);
8255 struct iw_statistics *wstats;
8256 u32 rssi, tx_retries, missed_beacons, tx_failures;
8257 u32 ord_len = sizeof(u32);
8258
8259 if (!priv)
8260 return (struct iw_statistics *)NULL;
8261
8262 wstats = &priv->wstats;
8263
8264 /* if hw is disabled, then ipw2100_get_ordinal() can't be called.
8265 * ipw2100_wx_wireless_stats seems to be called before fw is
8266 * initialized. STATUS_ASSOCIATED will only be set if the hw is up
8267 * and associated; if not associcated, the values are all meaningless
8268 * anyway, so set them all to NULL and INVALID */
8269 if (!(priv->status & STATUS_ASSOCIATED)) {
8270 wstats->miss.beacon = 0;
8271 wstats->discard.retries = 0;
8272 wstats->qual.qual = 0;
8273 wstats->qual.level = 0;
8274 wstats->qual.noise = 0;
8275 wstats->qual.updated = 7;
8276 wstats->qual.updated |= IW_QUAL_NOISE_INVALID |
8277 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
8278 return wstats;
8279 }
8280
8281 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_PERCENT_MISSED_BCNS,
8282 &missed_beacons, &ord_len))
8283 goto fail_get_ordinal;
8284
8285 /* If we don't have a connection the quality and level is 0 */
8286 if (!(priv->status & STATUS_ASSOCIATED)) {
8287 wstats->qual.qual = 0;
8288 wstats->qual.level = 0;
8289 } else {
8290 if (ipw2100_get_ordinal(priv, IPW_ORD_RSSI_AVG_CURR,
8291 &rssi, &ord_len))
8292 goto fail_get_ordinal;
8293 wstats->qual.level = rssi + IPW2100_RSSI_TO_DBM;
8294 if (rssi < 10)
8295 rssi_qual = rssi * POOR / 10;
8296 else if (rssi < 15)
8297 rssi_qual = (rssi - 10) * (FAIR - POOR) / 5 + POOR;
8298 else if (rssi < 20)
8299 rssi_qual = (rssi - 15) * (GOOD - FAIR) / 5 + FAIR;
8300 else if (rssi < 30)
8301 rssi_qual = (rssi - 20) * (VERY_GOOD - GOOD) /
8302 10 + GOOD;
8303 else
8304 rssi_qual = (rssi - 30) * (PERFECT - VERY_GOOD) /
8305 10 + VERY_GOOD;
8306
8307 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_PERCENT_RETRIES,
8308 &tx_retries, &ord_len))
8309 goto fail_get_ordinal;
8310
8311 if (tx_retries > 75)
8312 tx_qual = (90 - tx_retries) * POOR / 15;
8313 else if (tx_retries > 70)
8314 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
8315 else if (tx_retries > 65)
8316 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
8317 else if (tx_retries > 50)
8318 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
8319 15 + GOOD;
8320 else
8321 tx_qual = (50 - tx_retries) *
8322 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
8323
8324 if (missed_beacons > 50)
8325 beacon_qual = (60 - missed_beacons) * POOR / 10;
8326 else if (missed_beacons > 40)
8327 beacon_qual = (50 - missed_beacons) * (FAIR - POOR) /
8328 10 + POOR;
8329 else if (missed_beacons > 32)
8330 beacon_qual = (40 - missed_beacons) * (GOOD - FAIR) /
8331 18 + FAIR;
8332 else if (missed_beacons > 20)
8333 beacon_qual = (32 - missed_beacons) *
8334 (VERY_GOOD - GOOD) / 20 + GOOD;
8335 else
8336 beacon_qual = (20 - missed_beacons) *
8337 (PERFECT - VERY_GOOD) / 20 + VERY_GOOD;
8338
8339 quality = min(tx_qual, rssi_qual);
8340 quality = min(beacon_qual, quality);
8341
8342 #ifdef CONFIG_IPW2100_DEBUG
8343 if (beacon_qual == quality)
8344 IPW_DEBUG_WX("Quality clamped by Missed Beacons\n");
8345 else if (tx_qual == quality)
8346 IPW_DEBUG_WX("Quality clamped by Tx Retries\n");
8347 else if (quality != 100)
8348 IPW_DEBUG_WX("Quality clamped by Signal Strength\n");
8349 else
8350 IPW_DEBUG_WX("Quality not clamped.\n");
8351 #endif
8352
8353 wstats->qual.qual = quality;
8354 wstats->qual.level = rssi + IPW2100_RSSI_TO_DBM;
8355 }
8356
8357 wstats->qual.noise = 0;
8358 wstats->qual.updated = 7;
8359 wstats->qual.updated |= IW_QUAL_NOISE_INVALID;
8360
8361 /* FIXME: this is percent and not a # */
8362 wstats->miss.beacon = missed_beacons;
8363
8364 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_TX_FAILURES,
8365 &tx_failures, &ord_len))
8366 goto fail_get_ordinal;
8367 wstats->discard.retries = tx_failures;
8368
8369 return wstats;
8370
8371 fail_get_ordinal:
8372 IPW_DEBUG_WX("failed querying ordinals.\n");
8373
8374 return (struct iw_statistics *)NULL;
8375 }
8376
8377 static struct iw_handler_def ipw2100_wx_handler_def = {
8378 .standard = ipw2100_wx_handlers,
8379 .num_standard = ARRAY_SIZE(ipw2100_wx_handlers),
8380 .num_private = ARRAY_SIZE(ipw2100_private_handler),
8381 .num_private_args = ARRAY_SIZE(ipw2100_private_args),
8382 .private = (iw_handler *) ipw2100_private_handler,
8383 .private_args = (struct iw_priv_args *)ipw2100_private_args,
8384 .get_wireless_stats = ipw2100_wx_wireless_stats,
8385 };
8386
8387 static void ipw2100_wx_event_work(struct work_struct *work)
8388 {
8389 struct ipw2100_priv *priv =
8390 container_of(work, struct ipw2100_priv, wx_event_work.work);
8391 union iwreq_data wrqu;
8392 unsigned int len = ETH_ALEN;
8393
8394 if (priv->status & STATUS_STOPPING)
8395 return;
8396
8397 mutex_lock(&priv->action_mutex);
8398
8399 IPW_DEBUG_WX("enter\n");
8400
8401 mutex_unlock(&priv->action_mutex);
8402
8403 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
8404
8405 /* Fetch BSSID from the hardware */
8406 if (!(priv->status & (STATUS_ASSOCIATING | STATUS_ASSOCIATED)) ||
8407 priv->status & STATUS_RF_KILL_MASK ||
8408 ipw2100_get_ordinal(priv, IPW_ORD_STAT_ASSN_AP_BSSID,
8409 &priv->bssid, &len)) {
8410 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
8411 } else {
8412 /* We now have the BSSID, so can finish setting to the full
8413 * associated state */
8414 memcpy(wrqu.ap_addr.sa_data, priv->bssid, ETH_ALEN);
8415 memcpy(priv->ieee->bssid, priv->bssid, ETH_ALEN);
8416 priv->status &= ~STATUS_ASSOCIATING;
8417 priv->status |= STATUS_ASSOCIATED;
8418 netif_carrier_on(priv->net_dev);
8419 netif_wake_queue(priv->net_dev);
8420 }
8421
8422 if (!(priv->status & STATUS_ASSOCIATED)) {
8423 IPW_DEBUG_WX("Configuring ESSID\n");
8424 mutex_lock(&priv->action_mutex);
8425 /* This is a disassociation event, so kick the firmware to
8426 * look for another AP */
8427 if (priv->config & CFG_STATIC_ESSID)
8428 ipw2100_set_essid(priv, priv->essid, priv->essid_len,
8429 0);
8430 else
8431 ipw2100_set_essid(priv, NULL, 0, 0);
8432 mutex_unlock(&priv->action_mutex);
8433 }
8434
8435 wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
8436 }
8437
8438 #define IPW2100_FW_MAJOR_VERSION 1
8439 #define IPW2100_FW_MINOR_VERSION 3
8440
8441 #define IPW2100_FW_MINOR(x) ((x & 0xff) >> 8)
8442 #define IPW2100_FW_MAJOR(x) (x & 0xff)
8443
8444 #define IPW2100_FW_VERSION ((IPW2100_FW_MINOR_VERSION << 8) | \
8445 IPW2100_FW_MAJOR_VERSION)
8446
8447 #define IPW2100_FW_PREFIX "ipw2100-" __stringify(IPW2100_FW_MAJOR_VERSION) \
8448 "." __stringify(IPW2100_FW_MINOR_VERSION)
8449
8450 #define IPW2100_FW_NAME(x) IPW2100_FW_PREFIX "" x ".fw"
8451
8452 /*
8453
8454 BINARY FIRMWARE HEADER FORMAT
8455
8456 offset length desc
8457 0 2 version
8458 2 2 mode == 0:BSS,1:IBSS,2:MONITOR
8459 4 4 fw_len
8460 8 4 uc_len
8461 C fw_len firmware data
8462 12 + fw_len uc_len microcode data
8463
8464 */
8465
8466 struct ipw2100_fw_header {
8467 short version;
8468 short mode;
8469 unsigned int fw_size;
8470 unsigned int uc_size;
8471 } __packed;
8472
8473 static int ipw2100_mod_firmware_load(struct ipw2100_fw *fw)
8474 {
8475 struct ipw2100_fw_header *h =
8476 (struct ipw2100_fw_header *)fw->fw_entry->data;
8477
8478 if (IPW2100_FW_MAJOR(h->version) != IPW2100_FW_MAJOR_VERSION) {
8479 printk(KERN_WARNING DRV_NAME ": Firmware image not compatible "
8480 "(detected version id of %u). "
8481 "See Documentation/networking/README.ipw2100\n",
8482 h->version);
8483 return 1;
8484 }
8485
8486 fw->version = h->version;
8487 fw->fw.data = fw->fw_entry->data + sizeof(struct ipw2100_fw_header);
8488 fw->fw.size = h->fw_size;
8489 fw->uc.data = fw->fw.data + h->fw_size;
8490 fw->uc.size = h->uc_size;
8491
8492 return 0;
8493 }
8494
8495 static int ipw2100_get_firmware(struct ipw2100_priv *priv,
8496 struct ipw2100_fw *fw)
8497 {
8498 char *fw_name;
8499 int rc;
8500
8501 IPW_DEBUG_INFO("%s: Using hotplug firmware load.\n",
8502 priv->net_dev->name);
8503
8504 switch (priv->ieee->iw_mode) {
8505 case IW_MODE_ADHOC:
8506 fw_name = IPW2100_FW_NAME("-i");
8507 break;
8508 #ifdef CONFIG_IPW2100_MONITOR
8509 case IW_MODE_MONITOR:
8510 fw_name = IPW2100_FW_NAME("-p");
8511 break;
8512 #endif
8513 case IW_MODE_INFRA:
8514 default:
8515 fw_name = IPW2100_FW_NAME("");
8516 break;
8517 }
8518
8519 rc = request_firmware(&fw->fw_entry, fw_name, &priv->pci_dev->dev);
8520
8521 if (rc < 0) {
8522 printk(KERN_ERR DRV_NAME ": "
8523 "%s: Firmware '%s' not available or load failed.\n",
8524 priv->net_dev->name, fw_name);
8525 return rc;
8526 }
8527 IPW_DEBUG_INFO("firmware data %p size %zd\n", fw->fw_entry->data,
8528 fw->fw_entry->size);
8529
8530 ipw2100_mod_firmware_load(fw);
8531
8532 return 0;
8533 }
8534
8535 MODULE_FIRMWARE(IPW2100_FW_NAME("-i"));
8536 #ifdef CONFIG_IPW2100_MONITOR
8537 MODULE_FIRMWARE(IPW2100_FW_NAME("-p"));
8538 #endif
8539 MODULE_FIRMWARE(IPW2100_FW_NAME(""));
8540
8541 static void ipw2100_release_firmware(struct ipw2100_priv *priv,
8542 struct ipw2100_fw *fw)
8543 {
8544 fw->version = 0;
8545 if (fw->fw_entry)
8546 release_firmware(fw->fw_entry);
8547 fw->fw_entry = NULL;
8548 }
8549
8550 static int ipw2100_get_fwversion(struct ipw2100_priv *priv, char *buf,
8551 size_t max)
8552 {
8553 char ver[MAX_FW_VERSION_LEN];
8554 u32 len = MAX_FW_VERSION_LEN;
8555 u32 tmp;
8556 int i;
8557 /* firmware version is an ascii string (max len of 14) */
8558 if (ipw2100_get_ordinal(priv, IPW_ORD_STAT_FW_VER_NUM, ver, &len))
8559 return -EIO;
8560 tmp = max;
8561 if (len >= max)
8562 len = max - 1;
8563 for (i = 0; i < len; i++)
8564 buf[i] = ver[i];
8565 buf[i] = '\0';
8566 return tmp;
8567 }
8568
8569 static int ipw2100_get_ucodeversion(struct ipw2100_priv *priv, char *buf,
8570 size_t max)
8571 {
8572 u32 ver;
8573 u32 len = sizeof(ver);
8574 /* microcode version is a 32 bit integer */
8575 if (ipw2100_get_ordinal(priv, IPW_ORD_UCODE_VERSION, &ver, &len))
8576 return -EIO;
8577 return snprintf(buf, max, "%08X", ver);
8578 }
8579
8580 /*
8581 * On exit, the firmware will have been freed from the fw list
8582 */
8583 static int ipw2100_fw_download(struct ipw2100_priv *priv, struct ipw2100_fw *fw)
8584 {
8585 /* firmware is constructed of N contiguous entries, each entry is
8586 * structured as:
8587 *
8588 * offset sie desc
8589 * 0 4 address to write to
8590 * 4 2 length of data run
8591 * 6 length data
8592 */
8593 unsigned int addr;
8594 unsigned short len;
8595
8596 const unsigned char *firmware_data = fw->fw.data;
8597 unsigned int firmware_data_left = fw->fw.size;
8598
8599 while (firmware_data_left > 0) {
8600 addr = *(u32 *) (firmware_data);
8601 firmware_data += 4;
8602 firmware_data_left -= 4;
8603
8604 len = *(u16 *) (firmware_data);
8605 firmware_data += 2;
8606 firmware_data_left -= 2;
8607
8608 if (len > 32) {
8609 printk(KERN_ERR DRV_NAME ": "
8610 "Invalid firmware run-length of %d bytes\n",
8611 len);
8612 return -EINVAL;
8613 }
8614
8615 write_nic_memory(priv->net_dev, addr, len, firmware_data);
8616 firmware_data += len;
8617 firmware_data_left -= len;
8618 }
8619
8620 return 0;
8621 }
8622
8623 struct symbol_alive_response {
8624 u8 cmd_id;
8625 u8 seq_num;
8626 u8 ucode_rev;
8627 u8 eeprom_valid;
8628 u16 valid_flags;
8629 u8 IEEE_addr[6];
8630 u16 flags;
8631 u16 pcb_rev;
8632 u16 clock_settle_time; // 1us LSB
8633 u16 powerup_settle_time; // 1us LSB
8634 u16 hop_settle_time; // 1us LSB
8635 u8 date[3]; // month, day, year
8636 u8 time[2]; // hours, minutes
8637 u8 ucode_valid;
8638 };
8639
8640 static int ipw2100_ucode_download(struct ipw2100_priv *priv,
8641 struct ipw2100_fw *fw)
8642 {
8643 struct net_device *dev = priv->net_dev;
8644 const unsigned char *microcode_data = fw->uc.data;
8645 unsigned int microcode_data_left = fw->uc.size;
8646 void __iomem *reg = (void __iomem *)dev->base_addr;
8647
8648 struct symbol_alive_response response;
8649 int i, j;
8650 u8 data;
8651
8652 /* Symbol control */
8653 write_nic_word(dev, IPW2100_CONTROL_REG, 0x703);
8654 readl(reg);
8655 write_nic_word(dev, IPW2100_CONTROL_REG, 0x707);
8656 readl(reg);
8657
8658 /* HW config */
8659 write_nic_byte(dev, 0x210014, 0x72); /* fifo width =16 */
8660 readl(reg);
8661 write_nic_byte(dev, 0x210014, 0x72); /* fifo width =16 */
8662 readl(reg);
8663
8664 /* EN_CS_ACCESS bit to reset control store pointer */
8665 write_nic_byte(dev, 0x210000, 0x40);
8666 readl(reg);
8667 write_nic_byte(dev, 0x210000, 0x0);
8668 readl(reg);
8669 write_nic_byte(dev, 0x210000, 0x40);
8670 readl(reg);
8671
8672 /* copy microcode from buffer into Symbol */
8673
8674 while (microcode_data_left > 0) {
8675 write_nic_byte(dev, 0x210010, *microcode_data++);
8676 write_nic_byte(dev, 0x210010, *microcode_data++);
8677 microcode_data_left -= 2;
8678 }
8679
8680 /* EN_CS_ACCESS bit to reset the control store pointer */
8681 write_nic_byte(dev, 0x210000, 0x0);
8682 readl(reg);
8683
8684 /* Enable System (Reg 0)
8685 * first enable causes garbage in RX FIFO */
8686 write_nic_byte(dev, 0x210000, 0x0);
8687 readl(reg);
8688 write_nic_byte(dev, 0x210000, 0x80);
8689 readl(reg);
8690
8691 /* Reset External Baseband Reg */
8692 write_nic_word(dev, IPW2100_CONTROL_REG, 0x703);
8693 readl(reg);
8694 write_nic_word(dev, IPW2100_CONTROL_REG, 0x707);
8695 readl(reg);
8696
8697 /* HW Config (Reg 5) */
8698 write_nic_byte(dev, 0x210014, 0x72); // fifo width =16
8699 readl(reg);
8700 write_nic_byte(dev, 0x210014, 0x72); // fifo width =16
8701 readl(reg);
8702
8703 /* Enable System (Reg 0)
8704 * second enable should be OK */
8705 write_nic_byte(dev, 0x210000, 0x00); // clear enable system
8706 readl(reg);
8707 write_nic_byte(dev, 0x210000, 0x80); // set enable system
8708
8709 /* check Symbol is enabled - upped this from 5 as it wasn't always
8710 * catching the update */
8711 for (i = 0; i < 10; i++) {
8712 udelay(10);
8713
8714 /* check Dino is enabled bit */
8715 read_nic_byte(dev, 0x210000, &data);
8716 if (data & 0x1)
8717 break;
8718 }
8719
8720 if (i == 10) {
8721 printk(KERN_ERR DRV_NAME ": %s: Error initializing Symbol\n",
8722 dev->name);
8723 return -EIO;
8724 }
8725
8726 /* Get Symbol alive response */
8727 for (i = 0; i < 30; i++) {
8728 /* Read alive response structure */
8729 for (j = 0;
8730 j < (sizeof(struct symbol_alive_response) >> 1); j++)
8731 read_nic_word(dev, 0x210004, ((u16 *) & response) + j);
8732
8733 if ((response.cmd_id == 1) && (response.ucode_valid == 0x1))
8734 break;
8735 udelay(10);
8736 }
8737
8738 if (i == 30) {
8739 printk(KERN_ERR DRV_NAME
8740 ": %s: No response from Symbol - hw not alive\n",
8741 dev->name);
8742 printk_buf(IPW_DL_ERROR, (u8 *) & response, sizeof(response));
8743 return -EIO;
8744 }
8745
8746 return 0;
8747 }
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